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gseric69
Moderator



Red Lion
PA
USA

6315 Posts

Posted - 06/16/2010 :  14:16:40  Show Profile  Visit gseric69's Homepage
Since the old Motors that work / replacement motors thread was getting very long, and contains a lot of outdated information, I figured it was time to start a new one to keep things current and easier to read.




One motor that has been tried by a bunch of us is the Duratrax 5737 550 starter motor. This motor is a good bit faster than stock and a little faster than a Super 6 motor, but like the Super 6 it doesn't lend itself well to going over 12V. These motors also can have a high failure rate if they're abused too much.
http://www3.towerhobbies.com/cgi-bin/wti0001p?&I=LXMTY8&P=ML




AlanP at Hobbymasters has also added these motors to his site and they are very good replacements.
The HPI 1145 550 motor found here
http://www.hobbymasters.com/550sizemotor.aspx

The Traxxas Titan 21 Turn 14V motor found here. This motor should be bought with one reverse rotation motor.
http://www.hobbymasters.com/550motor21-turn14volts.aspx
http://www.hobbymasters.com/550motor21-turn14volts-1.aspx - reverse rotation


The Traxxas Titan 23 Turn 14V motor found here
http://www.hobbymasters.com/550motor23-turn14volts.aspx



36V Peg Perego Apache - Project: Super Power Police Jeep, 18V Metal Frame Jeep - Project: Sarge
Dragon/Craftsman Pickup Hybrid (WIP), 18V John Deere Off Road 4x4 (Gaucho, SOLD!)
12V Lil Jeep, 18V Turbo Sun Jammer Jeep, 12V Super 6 F150 Blue Thunder,
18V Lightning McQueen & 12V Lightning McQueen w/Duratrax Motors (Sold)
18V Green & Blue Ninja Quads w/19T's, 18V Dora Quad with 21T's
12V Harley Bat Bike w/Duratrax Motors, 12V Pink Harley (Future Trike)
Future Builds: 12V Xtreme Machine, 12V PW Fire Truck, 6V Wild Thing Super 6 & Mach 5
RIP: 12V Super 6 Suzuki Quad w/Seperate Brake pedal (Decommissioned/Parted)

Edited by - gseric69 on 06/16/2010 18:02:35

sleepy23
Journeyman Modder

Maryville
TN

495 Posts

Posted - 06/16/2010 :  17:53:28  Show Profile
Good idea. The other was about 9 pages of outdated material.

Mustang GTR: http://www.modifiedpowerwheels.com/forum/topic.asp?TOPIC_ID=16343
F-150 Super Snake: http://www.modifiedpowerwheels.com/forum/topic.asp?TOPIC_ID=16824
F150 Raptor: http://www.modifiedpowerwheels.com/forum/topic.asp?TOPIC_ID=18071
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stimperley
New Member




2 Posts

Posted - 07/06/2010 :  12:11:18  Show Profile
Would these motors be a good replacement for the ones in a Jeep Sandblaster? We burned one out the other day and have had a heck of a time finding a replacement. Any help would be greatly appreciated.
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Divinar
Moderator

San Jose 95123
CA
USA



3057 Posts

Posted - 07/06/2010 :  12:18:18  Show Profile
quote:
Originally posted by stimperley

Would these motors be a good replacement for the ones in a Jeep Sandblaster? We burned one out the other day and have had a heck of a time finding a replacement. Any help would be greatly appreciated.



What are you looking for in a motor, at what voltage?

The Titans run about 25% faster than stock, but draw more current. They did well at 18v with heatsinks.

The DCM-251 motors are not noticeably faster than stock, but have more torque, and seem to hold up well to 18v.

I'd recommend heatsinks, maybe fans, and I rewired the fast Jeep with all 10AWG wiring.


Escalade (Rubber tires, LED lights, Key switch, Remote Kill, wings. Wings?)
Lil Wrangler (2WD, 12v, Lights), Dora Jeep (Super-6 @ 12v, lights), Jeep Enforcer turned Aftershock (18v, WIP),
Grape Gaucho A151 (24v, scooter controller, WIP)
KFX Quad (Remote Kill), Crushmeister! (Silverado), Limited Edition Jeep (Stock)
Kawasaki Mojave 250 (Stock), PP Gator (Lights), Home Depot Loader, Lightning McQueen (Stock)
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mpiersd
New Member

Gloucester
Virginia
USA



31 Posts

Posted - 07/06/2010 :  13:12:16  Show Profile
quote:
Originally posted by Divinar

quote:
Originally posted by stimperley

Would these motors be a good replacement for the ones in a Jeep Sandblaster? We burned one out the other day and have had a heck of a time finding a replacement. Any help would be greatly appreciated.



What are you looking for in a motor, at what voltage?

The Titans run about 25% faster than stock, but draw more current. They did well at 18v with heatsinks.

The DCM-251 motors are not noticeably faster than stock, but have more torque, and seem to hold up well to 18v.

I'd recommend heatsinks, maybe fans, and I rewired the fast Jeep with all 10AWG wiring.



So if the Titans turn about 25% faster than stock, could I increase my Silverado pinion gear from 16 to 17 with the Titan, bump up to 18v and be looking at about a 30-40% increase in speed?

AIR CAV!!!

PW Kawasaki Ninja (black)
Peg Perego Polaris 800 twin
PW Kawasaki Ninja (blue)

Current Project:
PW Silverado
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Divinar
Moderator

San Jose 95123
CA
USA



3057 Posts

Posted - 07/06/2010 :  13:21:05  Show Profile
quote:
Originally posted by mpiersd


So if the Titans turn about 25% faster than stock, could I increase my Silverado pinion gear from 16 to 17 with the Titan, bump up to 18v and be looking at about a 30-40% increase in speed?



First, these are theoretical numbers, based on smooth flat pavement.
Going on grass or even dirt takes more power, and you may find yourself popping fuses...

Actually, you're looking at the 30% speed gain BEFORE you add the extra 6v:
17/16 * 125/100 = 1.328125

When you throw in the 18v:
17/16 * 125/100 * 150/100 = 1.9921875




Escalade (Rubber tires, LED lights, Key switch, Remote Kill, wings. Wings?)
Lil Wrangler (2WD, 12v, Lights), Dora Jeep (Super-6 @ 12v, lights), Jeep Enforcer turned Aftershock (18v, WIP),
Grape Gaucho A151 (24v, scooter controller, WIP)
KFX Quad (Remote Kill), Crushmeister! (Silverado), Limited Edition Jeep (Stock)
Kawasaki Mojave 250 (Stock), PP Gator (Lights), Home Depot Loader, Lightning McQueen (Stock)
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mpiersd
New Member

Gloucester
Virginia
USA



31 Posts

Posted - 07/06/2010 :  13:27:13  Show Profile
quote:

First, these are theoretical numbers, based on smooth flat pavement.
Going on grass or even dirt takes more power, and you may find yourself popping fuses...

Actually, you're looking at the 30% speed gain BEFORE you add the extra 6v:
17/16 * 125/100 = 1.328125

When you throw in the 18v:
17/16 * 125/100 * 150/100 = 1.9921875






Oh, no, I've gone cross-eyed.


AIR CAV!!!

PW Kawasaki Ninja (black)
Peg Perego Polaris 800 twin
PW Kawasaki Ninja (blue)

Current Project:
PW Silverado
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Divinar
Moderator

San Jose 95123
CA
USA



3057 Posts

Posted - 07/06/2010 :  13:42:09  Show Profile
quote:
Originally posted by mpiersd

quote:

First, these are theoretical numbers, based on smooth flat pavement.
Going on grass or even dirt takes more power, and you may find yourself popping fuses...

Actually, you're looking at the 30% speed gain BEFORE you add the extra 6v:
17/16 * 125/100 = 1.328125

When you throw in the 18v:
17/16 * 125/100 * 150/100 = 1.9921875






Oh, no, I've gone cross-eyed.





Sorry. Maybe you should go play with the "Math is hard" Barbie?


Escalade (Rubber tires, LED lights, Key switch, Remote Kill, wings. Wings?)
Lil Wrangler (2WD, 12v, Lights), Dora Jeep (Super-6 @ 12v, lights), Jeep Enforcer turned Aftershock (18v, WIP),
Grape Gaucho A151 (24v, scooter controller, WIP)
KFX Quad (Remote Kill), Crushmeister! (Silverado), Limited Edition Jeep (Stock)
Kawasaki Mojave 250 (Stock), PP Gator (Lights), Home Depot Loader, Lightning McQueen (Stock)
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sleepy23
Journeyman Modder

Maryville
TN

495 Posts

Posted - 07/06/2010 :  16:06:59  Show Profile
Math is hard Barbie.....haha
isn't that just politically correct for "gold digger Barbie"

Mustang GTR: http://www.modifiedpowerwheels.com/forum/topic.asp?TOPIC_ID=16343
F-150 Super Snake: http://www.modifiedpowerwheels.com/forum/topic.asp?TOPIC_ID=16824
F150 Raptor: http://www.modifiedpowerwheels.com/forum/topic.asp?TOPIC_ID=18071
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mpiersd
New Member

Gloucester
Virginia
USA



31 Posts

Posted - 07/06/2010 :  16:44:46  Show Profile
LOL!!

I needed a good laugh today.

You know, I can teach new soldiers how to keep a multi-million dollar aircraft from falling out of the sky, Bernoulli's principle, all about advancing and retreating rotor blades and blade stall, but throw more than a few numbers after a decimal and I'd much rather be flying a General Maintenance Test flight

AIR CAV!!!

PW Kawasaki Ninja (black)
Peg Perego Polaris 800 twin
PW Kawasaki Ninja (blue)

Current Project:
PW Silverado
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Divinar
Moderator

San Jose 95123
CA
USA



3057 Posts

Posted - 07/06/2010 :  16:49:20  Show Profile
quote:
Originally posted by sleepy23

Math is hard Barbie.....haha
isn't that just politically correct for "gold digger Barbie"



OK, so it really said "Math Class is Tough"...



Escalade (Rubber tires, LED lights, Key switch, Remote Kill, wings. Wings?)
Lil Wrangler (2WD, 12v, Lights), Dora Jeep (Super-6 @ 12v, lights), Jeep Enforcer turned Aftershock (18v, WIP),
Grape Gaucho A151 (24v, scooter controller, WIP)
KFX Quad (Remote Kill), Crushmeister! (Silverado), Limited Edition Jeep (Stock)
Kawasaki Mojave 250 (Stock), PP Gator (Lights), Home Depot Loader, Lightning McQueen (Stock)
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seano
New Member

Zimmerman
MN
USA

18 Posts

Posted - 07/10/2010 :  11:22:03  Show Profile
Wich of the 550 motors would be best for an xtreme machine 19T combo
on 18v ?
21 turn or 23 ? It's ridden on grass and gravel.
Thanks
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Divinar
Moderator

San Jose 95123
CA
USA



3057 Posts

Posted - 07/10/2010 :  23:00:10  Show Profile
quote:
Originally posted by seano

Wich of the 550 motors would be best for an xtreme machine 19T combo
on 18v ?
21 turn or 23 ? It's ridden on grass and gravel.
Thanks



I'd go with the 23 - you'll need the torque.

I'd actually suggest the 700 series for this, they have WAY more torque, and the 19T is already giving you a speed boost.


Escalade (Rubber tires, LED lights, Key switch, Remote Kill, wings. Wings?)
Lil Wrangler (2WD, 12v, Lights), Dora Jeep (Super-6 @ 12v, lights), Jeep Enforcer turned Aftershock (18v, WIP),
Grape Gaucho A151 (24v, scooter controller, WIP)
KFX Quad (Remote Kill), Crushmeister! (Silverado), Limited Edition Jeep (Stock)
Kawasaki Mojave 250 (Stock), PP Gator (Lights), Home Depot Loader, Lightning McQueen (Stock)
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Divinar
Moderator

San Jose 95123
CA
USA



3057 Posts

Posted - 07/11/2010 :  11:29:33  Show Profile
quote:
Originally posted by seano

You suggested 700 series motors. I noticed they are double the money but also didnt find any heatsinks or fans shown for them.
Does that mean they prob dont need them?



I meant the DCM-251 motors:
http://www.allelectronics.com/make-a-store/item/DCM-251/12-VDC-MOTOR/-/1.html

You'll have to do some work to cut off the extra threaded shaft and remove the bushing, and the pinions are more expensive than the motor.

It seems a little faster than the stock motor at 12v, but it's got a lot more torque. More than the $20 Titans, too!

And it should handle overvolting better!


Escalade (Rubber tires, LED lights, Key switch, Remote Kill, wings. Wings?)
Lil Wrangler (2WD, 12v, Lights), Dora Jeep (Super-6 @ 12v, lights), Jeep Enforcer turned Aftershock (18v, WIP),
Grape Gaucho A151 (24v, scooter controller, WIP)
KFX Quad (Remote Kill), Crushmeister! (Silverado), Limited Edition Jeep (Stock)
Kawasaki Mojave 250 (Stock), PP Gator (Lights), Home Depot Loader, Lightning McQueen (Stock)
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btknows
New Member

Salem
Ohio
USA

1 Posts

Posted - 07/12/2010 :  12:58:48  Show Profile
Need Help !!!!!!!

Have an off brand starwars quad. Have taken it to 12 volts. The motor is only 1" in diameter and need to find one that size that will handle 12 volts. Something tells me that I am looking for a lost cause. Can anyone tell me how to modify the motor socket, or the gears to make this work ? Got one disappointed son right now.
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seano
New Member

Zimmerman
MN
USA

18 Posts

Posted - 07/19/2010 :  20:31:23  Show Profile
Divinar,
I ordered the motors as well as some 5mm bore 19t pinions from Hobbymasters.com, But the pinions are larger than the 3/4 holes in the gearboxes.
I'm gonna start a new thread so as not to hijack.
SeanO
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Divinar
Moderator

San Jose 95123
CA
USA



3057 Posts

Posted - 07/19/2010 :  20:37:07  Show Profile
quote:
Originally posted by seano

Divinar,
I ordered the motors as well as some 5mm bore 19t pinions from Hobbymasters.com, But the pinions are larger than the 3/4 holes in the gearboxes.
I'm gonna start a new thread so as not to hijack.
SeanO



Those can't be the right pinions then.
I measure a 19T pinion as being about 11/16" (or 17mm) from tip to tip


Escalade (Rubber tires, LED lights, Key switch, Remote Kill, wings. Wings?)
Lil Wrangler (2WD, 12v, Lights), Dora Jeep (Super-6 @ 12v, lights), Jeep Enforcer turned Aftershock (18v, WIP),
Grape Gaucho A151 (24v, scooter controller, WIP)
KFX Quad (Remote Kill), Crushmeister! (Silverado), Limited Edition Jeep (Stock)
Kawasaki Mojave 250 (Stock), PP Gator (Lights), Home Depot Loader, Lightning McQueen (Stock)
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timmbo23
Journeyman Modder




104 Posts

Posted - 08/02/2010 :  08:50:33  Show Profile
So if I have a newer 2-Seat F-150 (from Wal-Mart) and I am currently running 18v, would two of the HPI GT550 motors from Hobby Masters be a good choice?

Thanks for the advice, I appreciate the help!

PW Ford F150 (2-Seat) - 18v / Dual HPI GT 550 Motors / LED Headlights
PW Kawasaki Ninja KFX - 18v / Dual HPI GT 550 Motors / LED Headlights
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Divinar
Moderator

San Jose 95123
CA
USA



3057 Posts

Posted - 08/02/2010 :  12:15:24  Show Profile
quote:
Originally posted by timmbo23

So if I have a newer 2-Seat F-150 (from Wal-Mart) and I am currently running 18v, would two of the HPI GT550 motors from Hobby Masters be a good choice?

Thanks for the advice, I appreciate the help!



OK, hte "official" position is that those motors are only rated to 14.4 volts, and use at 18 voids your warranty.

That said, they should offer a bit more power than stock motors, and with heat sinks and exhaust fans, they should survive 18v as well as if not better than the stock motors we abuse daily.


Escalade (Rubber tires, LED lights, Key switch, Remote Kill, wings. Wings?)
Lil Wrangler (2WD, 12v, Lights), Dora Jeep (Super-6 @ 12v, lights), Jeep Enforcer turned Aftershock (18v, WIP),
Grape Gaucho A151 (24v, scooter controller, WIP)
KFX Quad (Remote Kill), Crushmeister! (Silverado), Limited Edition Jeep (Stock)
Kawasaki Mojave 250 (Stock), PP Gator (Lights), Home Depot Loader, Lightning McQueen (Stock)
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timmbo23
Journeyman Modder




104 Posts

Posted - 08/02/2010 :  12:37:35  Show Profile
quote:
Originally posted by Divinar

quote:
Originally posted by timmbo23

So if I have a newer 2-Seat F-150 (from Wal-Mart) and I am currently running 18v, would two of the HPI GT550 motors from Hobby Masters be a good choice?

Thanks for the advice, I appreciate the help!



OK, hte "official" position is that those motors are only rated to 14.4 volts, and use at 18 voids your warranty.

That said, they should offer a bit more power than stock motors, and with heat sinks and exhaust fans, they should survive 18v as well as if not better than the stock motors we abuse daily.




I would probably use the heat sink, but probably not use the fan. With these motors, do you need to worry about reverse rotation, or is that only on the Titan family of motors?

THANK YOU AGAIN!!!!!! This site rocks!!!

PW Ford F150 (2-Seat) - 18v / Dual HPI GT 550 Motors / LED Headlights
PW Kawasaki Ninja KFX - 18v / Dual HPI GT 550 Motors / LED Headlights
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Divinar
Moderator

San Jose 95123
CA
USA



3057 Posts

Posted - 08/02/2010 :  16:28:11  Show Profile
quote:
Originally posted by timmbo23


I would probably use the heat sink, but probably not use the fan. With these motors, do you need to worry about reverse rotation, or is that only on the Titan family of motors?

THANK YOU AGAIN!!!!!! This site rocks!!!



If you're not going to use an exhaust fan, please drill some ventilation holes. The heat sinks won't help much if there's nowhere for the heat to go.


Escalade (Rubber tires, LED lights, Key switch, Remote Kill, wings. Wings?)
Lil Wrangler (2WD, 12v, Lights), Dora Jeep (Super-6 @ 12v, lights), Jeep Enforcer turned Aftershock (18v, WIP),
Grape Gaucho A151 (24v, scooter controller, WIP)
KFX Quad (Remote Kill), Crushmeister! (Silverado), Limited Edition Jeep (Stock)
Kawasaki Mojave 250 (Stock), PP Gator (Lights), Home Depot Loader, Lightning McQueen (Stock)
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timmbo23
Journeyman Modder




104 Posts

Posted - 08/02/2010 :  19:33:20  Show Profile
quote:
Originally posted by Divinar

quote:
Originally posted by timmbo23


I would probably use the heat sink, but probably not use the fan. With these motors, do you need to worry about reverse rotation, or is that only on the Titan family of motors?

THANK YOU AGAIN!!!!!! This site rocks!!!



If you're not going to use an exhaust fan, please drill some ventilation holes. The heat sinks won't help much if there's nowhere for the heat to go.



Cool, that totally makes sense. Do I need to worry about reverse rotation with the HPI GT550 Motor?


PW Ford F150 (2-Seat) - 18v / Dual HPI GT 550 Motors / LED Headlights
PW Kawasaki Ninja KFX - 18v / Dual HPI GT 550 Motors / LED Headlights
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Divinar
Moderator

San Jose 95123
CA
USA



3057 Posts

Posted - 08/02/2010 :  20:11:52  Show Profile
quote:
Originally posted by timmbo23

Cool, that totally makes sense. Do I need to worry about reverse rotation with the HPI GT550 Motor?



I don't know if those motors have a significant advance timing - since they don't seem to MAKE a reverse rotation.


Escalade (Rubber tires, LED lights, Key switch, Remote Kill, wings. Wings?)
Lil Wrangler (2WD, 12v, Lights), Dora Jeep (Super-6 @ 12v, lights), Jeep Enforcer turned Aftershock (18v, WIP),
Grape Gaucho A151 (24v, scooter controller, WIP)
KFX Quad (Remote Kill), Crushmeister! (Silverado), Limited Edition Jeep (Stock)
Kawasaki Mojave 250 (Stock), PP Gator (Lights), Home Depot Loader, Lightning McQueen (Stock)
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phoneshaggy
New Member




4 Posts

Posted - 08/04/2010 :  20:52:04  Show Profile
wondering about 24v. right now f-150 harley and mcqueen super 6 running @ 24v. both are stock and starting to smell burning and reading the posts realize not going to last long. kids will not ride when not at 24v. just not fun and go do other things. what can i do?
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timmbo23
Journeyman Modder




104 Posts

Posted - 08/05/2010 :  07:52:54  Show Profile
quote:
Originally posted by phoneshaggy

wondering about 24v. right now f-150 harley and mcqueen super 6 running @ 24v. both are stock and starting to smell burning and reading the posts realize not going to last long. kids will not ride when not at 24v. just not fun and go do other things. what can i do?



Your best bet would be to drop back down to a much safer 18v system, and then upgrade your motors to the GT500 or the Titans.

PW Ford F150 (2-Seat) - 18v / Dual HPI GT 550 Motors / LED Headlights
PW Kawasaki Ninja KFX - 18v / Dual HPI GT 550 Motors / LED Headlights
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phoneshaggy
New Member




4 Posts

Posted - 08/05/2010 :  15:03:16  Show Profile
would that give me the same speed as stock motors on 24v
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Jam Man
New Member



United Kingdom

1 Posts

Posted - 08/09/2010 :  01:20:00  Show Profile
Hi everyone, firstly can I thank you for how helpful this forum has been to me while I've been restoring a peg Perego Magica Beetle for my son.

I hope I can repay with useful information as it's been a fun but sometimes frustrating journey with this little car!

I've managed to find another one and am in the process of trying to upgrade the motor so it can carry my slightly larger frame (ahem!). At the moment I'm suffering the thermal cut off issue as mentioned above, running the car on a 12v car battery.

I've removed the motors from the gearbox(?)and wheel assembly on one side and am amazed at how small it is! It seems the 550 motor is more used for R/C cars so I guess the gearing is there to drop the speed significantly before it hits the wheels. This would also explain the lack of torque too I guess?

I've trawled the internet (Ebay etc.) looking for something bigger then read this post. Really not looking for any huge gains in speed, more a torque increase.

Could one of the experts offer any advice please?

Pics of my car's "before & after" below





Many Thanks


Edited by - Jam Man on 08/09/2010 01:54:47
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timmbo23
Journeyman Modder




104 Posts

Posted - 08/17/2010 :  20:22:09  Show Profile
Use the Traxxas Titan or the HPI GT550 motor, there is a lot more torque there!

PW Ford F150 (2-Seat) - 18v / Dual HPI GT 550 Motors / LED Headlights
PW Kawasaki Ninja KFX - 18v / Dual HPI GT 550 Motors / LED Headlights
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sweebs
New Member




3 Posts

Posted - 08/19/2010 :  17:09:46  Show Profile
anyone have an answer for us using 24V? (make that, did use 24v until motors cooked)- backing down to 18v not in the plans since I am using two 12'ers. L.T. Hummer, 2 kids, on grass. Need 24V and need to NOT cook motors. Any useful suggestions would be very appreciated! BTW, bought a Kawa-Quad PW off C.L. for $20, w/o batt. so at least the new 12v that had been used in the Hummer is getting some use
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timmbo23
Journeyman Modder




104 Posts

Posted - 08/20/2010 :  09:28:37  Show Profile
I have 18v with the F-150 (which is a larger PW) and it runs great, but I have 2 of the HPI GT550 motors that should be coming next week. I would imagine that this set up would be fairly close to running 24v on the stock motors, without the worry of burning them up.

PW Ford F150 (2-Seat) - 18v / Dual HPI GT 550 Motors / LED Headlights
PW Kawasaki Ninja KFX - 18v / Dual HPI GT 550 Motors / LED Headlights
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timmbo23
Journeyman Modder




104 Posts

Posted - 08/26/2010 :  08:12:57  Show Profile
Just a follow-up, I received the two HPI GT550 motors, and I must say, I am quite impressed. The one thing I liked about the Titans was the built in fans, and I did not realize the GT's had them as well, so that was a much welcomed feature. I went with the GT's because I ended up purchasing them online for a whopping $11.99 each plus $8 shipping. I thought that was a splendid deal! I will let everyone know how well they perform once I install the new motors, I am a bit busy the next week or so.

PW Ford F150 (2-Seat) - 18v / Dual HPI GT 550 Motors / LED Headlights
PW Kawasaki Ninja KFX - 18v / Dual HPI GT 550 Motors / LED Headlights
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timmbo23
Journeyman Modder




104 Posts

Posted - 08/28/2010 :  07:43:36  Show Profile
Quick question as I am about to drop in the new HPI GT550 motors. Do I need a new gear that mounts to the motor? Will the gear work that is on the current stock PW motor? I guess I assumed they would be the same, is there a thread about this somewhere?

THANK YOU!

PW Ford F150 (2-Seat) - 18v / Dual HPI GT 550 Motors / LED Headlights
PW Kawasaki Ninja KFX - 18v / Dual HPI GT 550 Motors / LED Headlights
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Divinar
Moderator

San Jose 95123
CA
USA



3057 Posts

Posted - 08/28/2010 :  08:02:10  Show Profile
quote:
Originally posted by timmbo23

Quick question as I am about to drop in the new HPI GT550 motors. Do I need a new gear that mounts to the motor? Will the gear work that is on the current stock PW motor? I guess I assumed they would be the same, is there a thread about this somewhere?

THANK YOU!



Yes, there's a thread in the FAQ somewhere.

But to summarize, you need new pinions that matches your gearboxs.

The stock PW motor shaft is splined - the stock pinions interchange on different PW motors, but not on aftermarket motors, those shafts usually have a flat spot for the setscrew.


Escalade (Rubber tires, LED lights, Key switch, Remote Kill, wings. Wings?)
Lil Wrangler (2WD, 12v, Lights), Dora Jeep (Super-6 @ 12v, lights), Jeep Enforcer turned Aftershock (18v, WIP),
Grape Gaucho A151 (24v, scooter controller, WIP)
KFX Quad (Remote Kill), Crushmeister! (Silverado), Limited Edition Jeep (Stock)
Kawasaki Mojave 250 (Stock), PP Gator (Lights), Home Depot Loader, Lightning McQueen (Stock)
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timmbo23
Journeyman Modder




104 Posts

Posted - 08/28/2010 :  08:40:10  Show Profile
That is what I was thinking. Anyone off hand know what # of tooth pinion is stock on the 2-Seat F-150 with monster traction?

Thank you!

PW Ford F150 (2-Seat) - 18v / Dual HPI GT 550 Motors / LED Headlights
PW Kawasaki Ninja KFX - 18v / Dual HPI GT 550 Motors / LED Headlights
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Divinar
Moderator

San Jose 95123
CA
USA



3057 Posts

Posted - 08/28/2010 :  08:56:43  Show Profile
quote:
Originally posted by timmbo23

That is what I was thinking. Anyone off hand know what # of tooth pinion is stock on the 2-Seat F-150 with monster traction?

Thank you!



I suspect a 16T pinion.
But here's how you can check:
The Definitive "Gearbox" thread


Escalade (Rubber tires, LED lights, Key switch, Remote Kill, wings. Wings?)
Lil Wrangler (2WD, 12v, Lights), Dora Jeep (Super-6 @ 12v, lights), Jeep Enforcer turned Aftershock (18v, WIP),
Grape Gaucho A151 (24v, scooter controller, WIP)
KFX Quad (Remote Kill), Crushmeister! (Silverado), Limited Edition Jeep (Stock)
Kawasaki Mojave 250 (Stock), PP Gator (Lights), Home Depot Loader, Lightning McQueen (Stock)
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blake711
Advanced Modder

Skiatook
OK
USA



2622 Posts

Posted - 08/28/2010 :  09:16:16  Show Profile
Yup 16t Part# 00968-2818

Please sign up at new version of forum at http://forum.modifiedpowerwheels.com/
complexity is the enemy of reliability
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timmbo23
Journeyman Modder




104 Posts

Posted - 08/28/2010 :  09:57:20  Show Profile
Wow, thank you! Since everyone is so helpful, any idea what is in a 9272 green KFX?

PW Ford F150 (2-Seat) - 18v / Dual HPI GT 550 Motors / LED Headlights
PW Kawasaki Ninja KFX - 18v / Dual HPI GT 550 Motors / LED Headlights
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Divinar
Moderator

San Jose 95123
CA
USA



3057 Posts

Posted - 08/28/2010 :  09:59:54  Show Profile
quote:
Originally posted by timmbo23

Wow, thank you! Since everyone is so helpful, any idea what is in a 9272 green KFX?



Mine has 19T's in it.
But unless you bought it new, always check.


Escalade (Rubber tires, LED lights, Key switch, Remote Kill, wings. Wings?)
Lil Wrangler (2WD, 12v, Lights), Dora Jeep (Super-6 @ 12v, lights), Jeep Enforcer turned Aftershock (18v, WIP),
Grape Gaucho A151 (24v, scooter controller, WIP)
KFX Quad (Remote Kill), Crushmeister! (Silverado), Limited Edition Jeep (Stock)
Kawasaki Mojave 250 (Stock), PP Gator (Lights), Home Depot Loader, Lightning McQueen (Stock)

Edited by - Divinar on 08/28/2010 10:05:51
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blake711
Advanced Modder

Skiatook
OK
USA



2622 Posts

Posted - 08/28/2010 :  10:02:15  Show Profile
Oh yeah great point Divinar after the 13t mishap in the Jeep a couple weeks ago.

Please sign up at new version of forum at http://forum.modifiedpowerwheels.com/
complexity is the enemy of reliability
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timmbo23
Journeyman Modder




104 Posts

Posted - 08/28/2010 :  10:07:24  Show Profile
quote:
Originally posted by Divinar

quote:
Originally posted by timmbo23

Wow, thank you! Since everyone is so helpful, any idea what is in a 9272 green KFX?



Mine has 19T's in it.
But unless you bought it new, always check.



Divinar, you what is funny, I read that the PC board would not handle the 18v, my son rides his pretty hard at 18v, and the original PC board is still just fine. I thought I would let you know.

Thanks for the help!

PW Ford F150 (2-Seat) - 18v / Dual HPI GT 550 Motors / LED Headlights
PW Kawasaki Ninja KFX - 18v / Dual HPI GT 550 Motors / LED Headlights
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Divinar
Moderator

San Jose 95123
CA
USA



3057 Posts

Posted - 08/28/2010 :  10:10:33  Show Profile
quote:
Originally posted by timmbo23

Divinar, you what is funny, I read that the PC board would not handle the 18v, my son rides his pretty hard at 18v, and the original PC board is still just fine. I thought I would let you know.

Thanks for the help!



There are several relays on that board, they're what often fail under 150% load.
You got lucky - maybe yours were made on a Wednesday?


Escalade (Rubber tires, LED lights, Key switch, Remote Kill, wings. Wings?)
Lil Wrangler (2WD, 12v, Lights), Dora Jeep (Super-6 @ 12v, lights), Jeep Enforcer turned Aftershock (18v, WIP),
Grape Gaucho A151 (24v, scooter controller, WIP)
KFX Quad (Remote Kill), Crushmeister! (Silverado), Limited Edition Jeep (Stock)
Kawasaki Mojave 250 (Stock), PP Gator (Lights), Home Depot Loader, Lightning McQueen (Stock)
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timmbo23
Journeyman Modder




104 Posts

Posted - 08/28/2010 :  11:40:13  Show Profile
What pitch pinion on the F-150 16 tooth?

PW Ford F150 (2-Seat) - 18v / Dual HPI GT 550 Motors / LED Headlights
PW Kawasaki Ninja KFX - 18v / Dual HPI GT 550 Motors / LED Headlights
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Divinar
Moderator

San Jose 95123
CA
USA



3057 Posts

Posted - 08/28/2010 :  11:42:35  Show Profile
quote:
Originally posted by timmbo23

What pitch pinion on the F-150 16 tooth?



THAT's and easy one - 32!

http://www.hobbymasters.com/32pitchsteelalloypiniongears.aspx


Escalade (Rubber tires, LED lights, Key switch, Remote Kill, wings. Wings?)
Lil Wrangler (2WD, 12v, Lights), Dora Jeep (Super-6 @ 12v, lights), Jeep Enforcer turned Aftershock (18v, WIP),
Grape Gaucho A151 (24v, scooter controller, WIP)
KFX Quad (Remote Kill), Crushmeister! (Silverado), Limited Edition Jeep (Stock)
Kawasaki Mojave 250 (Stock), PP Gator (Lights), Home Depot Loader, Lightning McQueen (Stock)
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timmbo23
Journeyman Modder




104 Posts

Posted - 08/28/2010 :  11:52:24  Show Profile
Got it figured out, 32 Pitch!

PW Ford F150 (2-Seat) - 18v / Dual HPI GT 550 Motors / LED Headlights
PW Kawasaki Ninja KFX - 18v / Dual HPI GT 550 Motors / LED Headlights
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timmbo23
Journeyman Modder




104 Posts

Posted - 08/29/2010 :  18:56:43  Show Profile
Well folks, I have completed the modification on my son's F-150. It is now 18v with dual HPI GT 550 motors. This is truly the best option if you have ever tried running 24v on stock motors! This thing flies!!!!!!!!! My wife is not too thrilled, but the boys love it! It will surely be the last modification, because it is totally fast enough in my opinion.

PW Ford F150 (2-Seat) - 18v / Dual HPI GT 550 Motors / LED Headlights
PW Kawasaki Ninja KFX - 18v / Dual HPI GT 550 Motors / LED Headlights
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Divinar
Moderator

San Jose 95123
CA
USA



3057 Posts

Posted - 08/29/2010 :  19:03:26  Show Profile
quote:
Originally posted by timmbo23

Well folks, I have completed the modification on my son's F-150. It is now 18v with dual HPI GT 550 motors. This is truly the best option if you have ever tried running 24v on stock motors! This thing flies!!!!!!!!! My wife is not too thrilled, but the boys love it! It will surely be the last modification, because it is totally fast enough in my opinion.



So - do you think it's faster with HPI motors at 18v than stock motors at 24v?
I know the Titans seem as fast at 12v as the stockers were at 18v.
I haven't used a GPS or a stopwatch to verify it though...


Escalade (Rubber tires, LED lights, Key switch, Remote Kill, wings. Wings?)
Lil Wrangler (2WD, 12v, Lights), Dora Jeep (Super-6 @ 12v, lights), Jeep Enforcer turned Aftershock (18v, WIP),
Grape Gaucho A151 (24v, scooter controller, WIP)
KFX Quad (Remote Kill), Crushmeister! (Silverado), Limited Edition Jeep (Stock)
Kawasaki Mojave 250 (Stock), PP Gator (Lights), Home Depot Loader, Lightning McQueen (Stock)
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timmbo23
Journeyman Modder




104 Posts

Posted - 08/29/2010 :  19:18:59  Show Profile
quote:
Originally posted by Divinar

quote:
Originally posted by timmbo23

Well folks, I have completed the modification on my son's F-150. It is now 18v with dual HPI GT 550 motors. This is truly the best option if you have ever tried running 24v on stock motors! This thing flies!!!!!!!!! My wife is not too thrilled, but the boys love it! It will surely be the last modification, because it is totally fast enough in my opinion.



So - do you think it's faster with HPI motors at 18v than stock motors at 24v?
I know the Titans seem as fast at 12v as the stockers were at 18v.
I haven't used a GPS or a stopwatch to verify it though...



Yes, I really do, if it isn't as fast, it is damn close. The other cool thing is he was driving it today, when it was about 92 degrees out. I have 30amp thermal fuses in there, he only made one blow once. The second time driving later this evening, the fuses never blew once. Thus far I am VERY impressed.

One other question, where can I buy more of the Nylon/Plastic Motor Washers?

PW Ford F150 (2-Seat) - 18v / Dual HPI GT 550 Motors / LED Headlights
PW Kawasaki Ninja KFX - 18v / Dual HPI GT 550 Motors / LED Headlights
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timmbo23
Journeyman Modder




104 Posts

Posted - 08/31/2010 :  19:57:42  Show Profile
Any idea on where you can get the plastic/nylon washer that goes on the motors before they are screwed to the gearbox.

PW Ford F150 (2-Seat) - 18v / Dual HPI GT 550 Motors / LED Headlights
PW Kawasaki Ninja KFX - 18v / Dual HPI GT 550 Motors / LED Headlights
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thebigdoghimself
Journeyman Modder

romeoville
il
USA

102 Posts

Posted - 09/04/2010 :  08:38:30  Show Profile
I spent a month looking for those washer / spacers for my titan 775's I finally just went into an Ace hardware and looked in their plumbing replacement parts bins I found three that were close 2 plastic ones and a heavy rubber gasket. none fit perfect but the rubber one worked fine. It just keeps the motor positioned and eliminates the possibility of it shifting.

I'm interested to see if anyone else found a better solution?

MAKE SURE that whatever you use it can't fall into your gearbox
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timmbo23
Journeyman Modder




104 Posts

Posted - 09/05/2010 :  08:13:16  Show Profile
I think the washer held keep the grease in by the gears and prevents any grease from entering the motor. I was able to cut a small slit on one section of the washer to remove it from the old motors without having to deal with removing the pinions.

PW Ford F150 (2-Seat) - 18v / Dual HPI GT 550 Motors / LED Headlights
PW Kawasaki Ninja KFX - 18v / Dual HPI GT 550 Motors / LED Headlights
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jdm
New Member




18 Posts

Posted - 09/05/2010 :  19:27:07  Show Profile
quote:
Originally posted by timmbo23

quote:
Originally posted by Divinar

[quote]Originally posted by timmbo23

Well folks, I have completed the modification on my son's F-150. It is now 18v with dual HPI GT 550 motors. This is truly the best option if you have ever tried running 24v on stock motors! This thing flies!!!!!!!!! My wife is not too thrilled, but the boys love it! It will surely be the last modification, because it is totally fast enough in my opinion.



So - do you think it's faster with HPI motors at 18v than stock motors at 24v?
I know the Titans seem as fast at 12v as the stockers were at 18v.
I haven't used a GPS or a stopwatch to verify it though...

If this is the case, then wouldn't it be a less risky move to upgrade motors instead of voltage? I am trying to decide on what to upgrade in my son's kfx monster traction and am afraid of frying the circuit board (this will be my first mod and don't want to ruin his ride on). If I can get 18v-like speed out of new motors on 12v then I'll definitely go that route. Then I can always up to 18v later so my son will increase in speed gradually instead of all at once. This should make the ride on last longer as well.
I want to go w/ the fastest motor available but can't figure out if the titan 21 turn or HPI GT550's will be faster. Has anyone done any direct comparisons b/w the two? I can't seem to find any rpm specs on either model.
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