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asoap
Apprentice Modder
Toronto
On
Canada
74 Posts |
 Posted - 11/09/2008 : 21:43:57
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Hey Guys,
I posted a while ago about info for a project I wanted to do. I managed to get a Mustang power wheels. The goal is to go balls to the wall, and propel my 6 year old nephew at ludicrous speed.
Here is what I got so far. 2 500 Watt motors, 36v. 36v speed controller. 3 12V batteries, each of which is at 21 amp hours. I'm still planning on using the powerwheels shifter to get reverse and two forward speeds.
I have a supplier who is going to provide me with a bunch of go-kart parts. I got rims, slicks, hubs, spindles, axles and all of the such ready to be ordered.
Now I'm hung up on a few details. The motors I have only have sprockets for #25 chain. The go kart sprockets are #35 chain. I can't find a sprocket for these motors for #35 chain, and I doubt it exists. So now I'm trying to find axle sprockets that will fit the sprocket hubs. The bolt pattern is 6 bolts 2-5/8" centers. Which is apparently the standard size for shifter karts. I haven't had any luck looking their either.
Does anybody know the bolt pattern for these scooter sprockets?
http://tncscooters.com/product.php?sku=103230
I'm wondering if they would bolt onto this hub? Which has a 3.228" bolt circle.
http://www.mfgsupply.com/m/c/AZ2566-A.html?id=pvUcvGre
The other problem I've been having but I think I've solved is the throttle control. I bought a hall effect twist throttle, hooked it up and I couldn't get full throttle. So my brother and I hooked up a 20k pot and it managed to work. So instead of hacking up a twist throttle I plan on making my own gad pedal with a slider potentiometer like this:
http://dkc3.digikey.com/PDF/C083/1900.pdf
Anyway, any thoughts would be helpful. Oh, and I got a camera to record all of this.
Cheers,
-Derek
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Speed, I am speed. |
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Grant
Senior Modder
Brisbane
Queensland
Australia
1820 Posts |
Posted - 11/09/2008 : 23:11:10
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It sounds like quite an interesting project. What kind of speeds are you looking to achieve and how much of the original PW platform are you intending to retain?
While you seem to have a few technical challenges to overcome, the biggest challenge I can see is one of safety and durability. The PW Mustang simply isn’t designed to handle the kinds of forces that setup would subject upon it. My suggestion would be to create a base metal frame with the motor, steering and seat anchorage over which you put the Mustang body. I am assuming you will also be using inflatable tires up front and an upgraded steering rack?
There are a number of #25 sprockets available although I am not sure if the bolt pattern would be compatible. You could try drilling new holes to attach them.
There are also now Hall Effect foot throttles available from tncscooter that work extremely and make life very easy.
I look forward to seeing how it goes as well as any pictures or videos.
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http://www.youtube.com/GauchoDrift
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asoap
Apprentice Modder
Toronto
On
Canada
74 Posts |
Posted - 11/10/2008 : 09:49:02
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We're looking for speeds at 30 km/h plus. Safety is by far my first priority. I am cutting out the floor of the car and creating an aluminum floor which will sit on top of an aluminum chassis. I'm thinking that a 1 1/4" pipe with a 1/8" wall should be sufficient. We have to mount a new seat in it, as the driver is a bit big for the mustang seats. So now we get to mount the seat in the center which should help for steering.
As for other safety bits, the car will have brakes. I'm building my own steering which should allow me to change the caster angle so the wheels will center by themselves. We're also going to be putting a resistor on the throttle so that we can get my nephew used to the speed and slowly build up his confidence.
The only thing we're using that is power wheels, is the body, and the shifter so that we can get reverse and have the motors in series/parallel.
I'm using this project to create a video to promote my website, so you guys will have something to see when it's all over. I'll try to shoot some photos so that you can see how it's coming along.
Cheers,
-Derek
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Speed, I am speed. |
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asoap
Apprentice Modder
Toronto
On
Canada
74 Posts |
Posted - 11/10/2008 : 13:27:05
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Grant, I think you're right. I'm going to have to drill new holes on the sprocket. I was hoping to avoid that. I'm a bit worried that if I drill my own holes the sprocket will have a wobble in it. However I don't see how I can get around it. The only way I think I can get around it is by printing off the bolt pattern using software like illustrator, and making a jig out of steel. I can then bolt the sprocket to the jig and drill the holes. That might make it accurate enough to not have to worry about it.
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Speed, I am speed. |
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Grant
Senior Modder
Brisbane
Queensland
Australia
1820 Posts |
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asoap
Apprentice Modder
Toronto
On
Canada
74 Posts |
Posted - 11/10/2008 : 19:41:37
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DUDE!!!! That kart you got is awesome. What size axle are you running and how are you getting that #25 sprocket on there?!?
Is that also the hall effect throttle control that I see?
Yes, I'm planning on using a standard kart axle. 1 1/4" with a 1/4" keyway. Someone is shortening it to fit the mustang and machining new snap ring guides on it.
I did give some thought on having the motors run independently. I don't know how much of a fan of that I am. If one motor is a bit slower then it'll turn the car. I figured that the most important thing is safety, and if I try to make this more complicated then I could handle, I could possibly do something stupid and compromise safety. Then again it handling better could be more safe.
Cheers,
-Derek
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Speed, I am speed. |
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Grant
Senior Modder
Brisbane
Queensland
Australia
1820 Posts |
Posted - 11/10/2008 : 21:14:21
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Thankyou, the kart has a custom 12mm axel that used a pin to attach the gear and
brake assembly. It is designed to run a 55T #25 sprocket with a free spinning clutch.
The Hall Effect throttle is located under the kart and is cable operated.
You shouldn’t see any real difference in speed between the 2 motors however it would make things more complicated, esp. the brake setup.
What does your nephew drive at the moment?
I can’t wait to see the finished product.
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http://www.youtube.com/GauchoDrift
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asoap
Apprentice Modder
Toronto
On
Canada
74 Posts |
Posted - 11/11/2008 : 12:30:02
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Right now my nephew is driving stock lightning McQueen powerwheels. Very boring. He needs something with speed.
I can't wait to get this project up and running also. It's so close to getting into the thick of it.
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Speed, I am speed. |
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Grant
Senior Modder
Brisbane
Queensland
Australia
1820 Posts |
Posted - 11/11/2008 : 16:25:49
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I could imagine that would be quite boring, the lightning McQueen PW is quite slow and not much of a challenge for a 6 year old.
My only advice would be to not get too enthusiastic and put them into a vehicle beyond their capabilities. There is a huge leap between a 6kph vehicle with auto braking and 30kph vehicle with manual braking. Having the hi/low option and variable throttle is certainly a good idea and will allow them to get use to the vehicle and make the mistakes at a lower speed with less potential for injury.
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http://www.youtube.com/GauchoDrift
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asoap
Apprentice Modder
Toronto
On
Canada
74 Posts |
Posted - 11/12/2008 : 17:15:18
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Oh yeah. He's going to very slowly build up his speed. Also I'll be giving this car a test before my nephew ever sits in it. If you can think of any other safety measures, I'd be happy to hear them.
He's going to have a helmet, maybe a suit. We might do a remote kill switch and emergency stop button on the dash.
Also here is the first partial blue print.
I can't do much until I get the go-kart parts. There is good chunks missing out of this. I've also run into another snag. I've settled on 1 1/2" alumminum tube with a 1/8" wall. If I want to bend that tube, the pipe bender is stuuuuuppppiiidddlllllyyyyy expensive. So I can either go to a smaller tube, like 7/8" OD. Or I can have someone bend these for me. I think I'm going to find a shop to bend these for me.
Also the nice thing about creating these blueprints. I can have these printed out to a 1:1 scale and build the whole chassis on the blueprints. That should mike life a bit easier.
Cheers,
-Derek |
Speed, I am speed. |
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swhenrik
Moderator
Pengilly
MN
USA
4067 Posts |
Posted - 11/16/2008 : 18:50:00
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Looks like you'll be doing some serious cutting/coping/welding. If bending them is a problem, I'd skip the bent tubes and just plan around all straight pieces.
A solid rear axle would cause problems doing anything other then going straight. The cool thing about electric with 2 motors is that they do pull pretty much the same, and don't cause the binding that a solid axle does.
But... like Grant said, brakes are more complicated, as you need a brake per rear wheel. Still, would be pretty tempting.
Have you thought about electric braking at all? Whether it is activated by letting up on the throttle, or pushing a seperate pedal, it can be set up any way you like. It also doesn't have to lock up the wheels like a Power Wheels does. This would help reduce the need for the 2nd mechanical brake. |
Projects: Jeep, Bigfoot, Lil' Quad, Dora Quad, Dirt Grinder, Nascar, Intro, Ultimate Gaucho |
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toyotech101
New Member
Olathe
Ks
USA
20 Posts |
Posted - 11/16/2008 : 20:07:54
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My ninja quad has a solid rear axle and turns ok. I still need to add rubber to the front tires which will dramatically improve the cornering.
80.96 KB |
24v polaris 700
18v ninja quad |
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asoap
Apprentice Modder
Toronto
On
Canada
74 Posts |
Posted - 11/18/2008 : 15:24:23
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If the bending is an issue, I might just by a miter saw and do some cutting and welding to get the angles I need. I need to do some checking to see if it's affordable to get someone to bend it.
I'm not a fan of live axles either. Right now I'm having enough trouble getting everything packaged the way I want. I can imagine it would be much harder with two axles. Getting one axle to fit on this thing has been a pain enough.
I think live axle is only going to become an issue if this car has a wider stance. Then the amount of rotation difference between the tires is increased. I guess we'll see what happens.
I have thought of electric braking. How would you make it work? I'd personally be a bit worried about it. Electronics isn't my strong suit and if god forbid something in the electronics shorts out at full throttle and takes out the electric braking with it. Then my nephew has no way to stop. That's why I'm using the mechanical brake which I know will be good up to 100 km/h. I'm still interested in knowing how it would work.
Oh here is an updated blue print. Still a long way to go. I'm working on designing the brake pedal right now.
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Speed, I am speed. |
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asoap
Apprentice Modder
Toronto
On
Canada
74 Posts |
Posted - 11/19/2008 : 14:23:02
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Stop pedal has been designed. Filling this master cylinder might be a bitch.
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Speed, I am speed. |
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swhenrik
Moderator
Pengilly
MN
USA
4067 Posts |
Posted - 11/22/2008 : 10:18:18
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| Electric braking is actually quite effective and reliable. You simply short the motors through a high current resistor. A heavy duty SPDT switch disconnects the motor from the power, and connects it to the resistor, just like a stock power wheels harness would. For something with higher speeds, it would be tempting to also have a mechanical brake, but the electic is so easy to implement, why not use it? |
Projects: Jeep, Bigfoot, Lil' Quad, Dora Quad, Dirt Grinder, Nascar, Intro, Ultimate Gaucho |
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Grant
Senior Modder
Brisbane
Queensland
Australia
1820 Posts |
Posted - 11/23/2008 : 19:17:35
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| I have thought about electric braking to however my concern is the amount of stress placed on the chain during braking. Electric braking is one of the major contributors to gearbox failure in standard PW vehicle as it applies far more stress than takeoff. |
http://www.youtube.com/GauchoDrift
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asoap
Apprentice Modder
Toronto
On
Canada
74 Posts |
Posted - 11/25/2008 : 13:10:53
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swhenrik, what kind of reistance are we talking about?
It sounds like a good idea. The only problem I could see is the braking would be a standard deceleration and it wouldn't be controllable unless you put another pot in there. I wonder if the pots I have would be able to handle the current.
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Speed, I am speed. |
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asoap
Apprentice Modder
Toronto
On
Canada
74 Posts |
Posted - 05/15/2009 : 13:01:09
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UPDATE!!!!!
Hey guys, it's been a while. Winter is over and I'm coming out of hibernation. I realized that I couldn't teach myself how to tig weld, so I took a course over the winter.
I also decided to build something before I worked on the power wheels, just to get something under my belt and feel more confident with the car.
Here is what I built:
Now my nephew has a simulator of sorts.
As for the powerwheels, I've got a bunch of parts.
The lot
Front spindles that'll allow me to dial in ackerman if I want.
The brake.
The sprockets, bearing cassets for the drive shaft. Sadly I must re-drill the holes on the sprockets. Plus extra sprockets for the motor.
Dunlop flavoured gumball.
Quick release for the steering wheel. Sooo cool.
Better view of the speed controller, pot, batteries and motor.
Now I need to finalize my design and start building.
Cheers,
-Derek
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Speed, I am speed. |
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asoap
Apprentice Modder
Toronto
On
Canada
74 Posts |
Posted - 05/19/2009 : 10:39:25
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I'm getting close to a finished design. I think this is what I'm going to go with and see how it comes together before I worry about battery placement and the steering. I have ideas of how it's all going to go together, but can't be set in stone just yet.
There is a bit of a pain with this design as the motors don't mount so nicely. There is a 5" dead area of the rear axle where no gears can be placed, so I needed to move the motors out a bit. But this should give good room for hands for tightening bolts and stuff.
Also the chassis isn't flat. I've given it a triangle design because I'm a bit worried about aluminum's strength and it bending otherwise.
Any thoughts?
Cheers,
-Derek
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Speed, I am speed. |
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gseric69
Moderator
Red Lion
PA
USA
6315 Posts |
Posted - 05/19/2009 : 10:56:22
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quote:
Originally posted by asoap
Any thoughts?
Cheers,
-Derek
WOW! |
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) |
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sdubb
Senior Modder
1661 Posts |
Posted - 05/19/2009 : 11:06:46
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My only thoughts are... You probably should really think about battery placement before you go to far. I only say this because it seems like a very important part of the "tray area" If there is no room for batteries then your rid is not going to go anywhere  |
"Time to take a ride on the information superhighway." |
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asoap
Apprentice Modder
Toronto
On
Canada
74 Posts |
Posted - 05/19/2009 : 11:37:38
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I've given the battery location a lot of thought, it's just hard to say for certain where they're going to go. I can put them on the left and right of the driver and boxed away, but that will make them a bit hard to access. Or I can put them above the axle behind the seat, but that'll be bad for weight distribution. I'll know for sure when we get into it.
I think I'm way over thinking at this point. I'm getting excited to finally get into it though.
Cheers,
-Derek
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Speed, I am speed. |
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sdubb
Senior Modder
1661 Posts |
Posted - 05/19/2009 : 12:55:30
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| Well you really shouldn't need to get to the batteries. I would think you are going to have a charging port. So like every couple of years you might have to get at the batteries. |
"Time to take a ride on the information superhighway." |
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asoap
Apprentice Modder
Toronto
On
Canada
74 Posts |
Posted - 05/19/2009 : 15:43:23
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You have a point. I do use a charging port. There is stuff like being able to inspect the battery as my nephew might bang the car around a bit, possibility of wires coming loose. And then the worst case scenario, a leaky battery spraying acid all over. There is probably a bunch of reason to have the batteries easily accessible. I wish that wasn't true though. I can always do flaps or something. I want to have the batteries closer to the front axles for better weight distribution.
Cheers,
-Derek
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Speed, I am speed. |
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asoap
Apprentice Modder
Toronto
On
Canada
74 Posts |
Posted - 07/03/2009 : 15:02:31
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I've finalized the design and the files are off to the printer! WOhoooo!
I wasn't happy with the previous design. The runners of the chassis weren't one piece which they are now. I don't like how the motors aren't mounted on both sides now but I think it'll be ok. Also I moved the bearing cassettes that hold up the drive shaft to the motor mount plates. Before I was going to build a separate piece, but this way one piece can do two jobs. Hopefully soon I can start cutting and welding.
Cheers,
-Derek |
Speed, I am speed. |
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oaksap
Journeyman Modder
oakland
ca
USA
157 Posts |
Posted - 07/05/2009 : 19:06:36
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| holy crap man! i knew when i saw your design you meant business but after seeing all the parts, man you arent messin around. cant wait to see the progression. |
"She's not a crash test dummy, she's our daughter." |
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asoap
Apprentice Modder
Toronto
On
Canada
74 Posts |
Posted - 07/20/2009 : 21:22:00
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| Awesome. Thanks man. I'm waiting for some stuff to get out of the garage and I can start working on this. I'm starting to get really edgy over here. |
Speed, I am speed. |
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asoap
Apprentice Modder
Toronto
On
Canada
74 Posts |
Posted - 07/30/2009 : 09:12:42
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Finally progress!
These are the brackets to hold up the front suspension. Getting the radial slots correct was a pain. It took three attempts to get it.
So the black bracket will be able to rotate plus or minus 10 degrees. This is for changing the caster angle of the suspension.
Soon I'll be working on the motor mounts.
Cheers,
-Derek |
Speed, I am speed. |
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rollndice83
Expert Modder
Lansdale
PA
USA
850 Posts |
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asoap
Apprentice Modder
Toronto
On
Canada
74 Posts |
Posted - 07/30/2009 : 10:35:18
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That thing is awesome. I should do some research into it. Those batteries are definitely giving them some weight distribution issues. They have massive over steer.
Cheers,
-Derek
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Speed, I am speed. |
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treebeme
Advanced Modder
Holtsville
NY
USA
3209 Posts |
Posted - 07/30/2009 : 10:57:03
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| BTW, there are commercially available electric go-karts. Not trying to discourage you or anything. |
------------------------------------------------
Screamin Demon (600 watt scooter motor, 36v scooter controller)
Red Harley (trike, 24v scooter controller, 13t MFJ gearboxes/motors)
KFX Quad (24v scooter controller, MFJ 12t gearboxes/motors)
Fire Rescue Jeep (24v scooter controller, 15t #7 gearboxes/motors)
Franken(berry)beast (24v scooter controller, 2-250Watt Scooter motors)
Grave Digger (21T gearboxes)
Super Shock
Razor MX-350 Motorcycle
Projects
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Jeep Wrangler (on hold)
Barbie Cruzin Tunes Jeep (24v scooter controller)
TCV Indy Racer (24v scooter controller)
Gator (on hold)
Silverado Dragster (on hold)
Apache (on hold)
Metal big wheel (24v scooter controller)
Jeep Aftershock |
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rollndice83
Expert Modder
Lansdale
PA
USA
850 Posts |
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asoap
Apprentice Modder
Toronto
On
Canada
74 Posts |
Posted - 07/30/2009 : 11:16:30
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Oh, no discouragement not at all. These are awesome. I would be building a go-kart, but I'm doing this whole thing to promote a website. It's the only way I'm be able to justify the money and time. I'm shooting a video and going stupidly crazy on a power wheels is more entertaining then a go-kart. As I can create a better story around it.
I should poke my head around these though, I might learn a thing or two, and that can only be a good thing.
I'd really like to play around with super capacitors, but that's way beyond me right now. |
Speed, I am speed. |
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asoap
Apprentice Modder
Toronto
On
Canada
74 Posts |
Posted - 07/31/2009 : 07:20:36
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quote:
Originally posted by rollndice83
LOL Yea. It is completely hard to control and as soon as you give it 65% throttle the tires just break loose. It's like having an elephant on your back
You can always throw a Porsche badge on it and call it a 911 trainer.
Ok, I made some more parts last night:
Bearing Cassette spacers. These things were normally going to attach to the motor mounts, but I'm using counter sunk bolts for mounting which require a 1/4" depth. So I'm welding these spacers onto the motor mounts to get that 1/4" depth.
Finally a piece that looks like something! The brake calipers on their mounts.
Cheers,
-Derek
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Speed, I am speed. |
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asoap
Apprentice Modder
Toronto
On
Canada
74 Posts |
Posted - 08/07/2009 : 15:39:26
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Had a busy week, and looking forward to spending more time this weekend on the car.
This is what the front suspension mounts are going to look like.
Motor mounts / axle mounts.
I'm starting to make some progress on the chassis! WoooHoooo!
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Speed, I am speed. |
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asoap
Apprentice Modder
Toronto
On
Canada
74 Posts |
Posted - 09/07/2009 : 18:20:45
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Finally I have a rolling chassis! I'm cutting up the body now and getting it to fit. Then it's time for the battery trays, steering, floor, getting the gears and shaft sorted out. It's taken me way longer then I expected to get to this point. Time is running out, the summer is almost over and it's going to get cold here very quickly. I also have a dare devil niece, she might be able to drive it if my nephew is too big.
Cheers,
-Derek
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Speed, I am speed. |
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KrazyJuice
Expert Modder
Toronto
Ontario
Canada
617 Posts |
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cjlucas78
Journeyman Modder
Cypress
Texas
USA
143 Posts |
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Taz11
Advanced Modder
Bloomsbury (08804)
NJ
3739 Posts |
Posted - 09/08/2009 : 09:14:06
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| WOW, WOW and WOW! Oh yeah, did I mention WOW? |
Drive it like you stole it!........out of somebody's garbage! |
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KrazyJuice
Expert Modder
Toronto
Ontario
Canada
617 Posts |
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gseric69
Moderator
Red Lion
PA
USA
6315 Posts |
Posted - 09/08/2009 : 09:22:15
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quote:
Originally posted by KrazyJuice
quote:
Originally posted by Taz11
WOW, WOW and WOW! Oh yeah, did I mention WOW?
I'm sorry, did you say wow or did you say WOW
Ditto! |
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) |
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RICKYVB
Senior Modder
TAMPA
FLORIDA
USA
1265 Posts |
Posted - 09/08/2009 : 16:44:52
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ok,I need like 2 minutes and some lotion now!!!I think I need to have some pictures of your frame hanging in my bathroom for future ideas.
That's one sexy frame.Great job!!! |
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cuarto_bate
Journeyman Modder
Isabela
Puerto Rico
USA
147 Posts |
Posted - 09/08/2009 : 17:34:06
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| $$$$$$$ |
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asoap
Apprentice Modder
Toronto
On
Canada
74 Posts |
Posted - 09/08/2009 : 18:49:04
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Thanks for all the comments guys.
RickyVB: Private message me, I'll send you high-res versions. Just please think of the frame and not me while you're taking care of business.
KrazyJuice: I'll keep that in mind. I keep on telling my nephew "You're 1/4 Portugese, you're supposed to be short! Stop growing so much." I don't think the threats about cutting off his legs while he sleeps is helping either.
cuarto_bate: Saddly, too much $$$$. I'm working like a dog trying to pay this off.
Cheers,
-Derek
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Speed, I am speed. |
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KrazyJuice
Expert Modder
Toronto
Ontario
Canada
617 Posts |
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Fortis
Senior Modder
melbourne
victoria
Australia
1154 Posts |
Posted - 09/08/2009 : 22:42:35
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Very impressive. I hate to post this so late in the game...But why would you not build in some simple spring suspension into the rear axle? The setup is begging for it and the performance would be improved to boot.
Hell, even a version of axle-blocks like trains use would be an easy fit and work well in that configuration. (this is not a put down, variations on axle blocks are used by specialised hill-climb cars and many scandinavian rally cars too. Way stronger than wishbone/A-frame systems.)
Alex.
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Colbert: So the AK-47 is like the Windows platform of guns, it's everywhere.
Pike: No, no. It's MUCH more reliable than that.
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asoap
Apprentice Modder
Toronto
On
Canada
74 Posts |
Posted - 09/09/2009 : 06:39:26
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quote:
I've got an idea... I'll bring our Grande over, set it up for 18V and race against your beast so we can give members an idea of it's speed and size.
Not a bad idea. Are you in the GTA area? I'm making a video to go with this, and that would help. I'll keep you posted.
quote:
Very impressive. I hate to post this so late in the game...But why would you not build in some simple spring suspension into the rear axle? The setup is begging for it and the performance would be improved to boot.
Hell, even a version of axle-blocks like trains use would be an easy fit and work well in that configuration. (this is not a put down, variations on axle blocks are used by specialised hill-climb cars and many scandinavian rally cars too. Way stronger than wishbone/A-frame systems.)
Oh no worry about any put down. I'm used to it from my day job. When I bought the go-kart parts I decided to mimic a go-kart chassis closely. The go-karts look like they have no suspension at all, but they use the chassis for suspension. They will put cuts in the frame to make it more flexible, and then put caps over those cuts to make it stiffer. I'm in a weird place of not knowing if my chassis is to soft or too hard. But I'm hoping that because of the aluminum and the design it'll flex in the right places.
In the rear axle, it looks very solid, but the axle can rotate a bit in those axle bearing cassettes. Also where those mount it's just 1/8" aluminum plate which should give a bit of flex. Same thing in the front. It might not be fancy, but hopefully it'll work. This also means that after I do a few runs I need to dismantle the cars to examine the welds and look for cracks, because of the flexing. The last thing I want is this frame falling apart while I'm on it, or my nephew.
Cheers,
-Derek |
Speed, I am speed. |
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KrazyJuice
Expert Modder
Toronto
Ontario
Canada
617 Posts |
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v8280z
Apprentice Modder
Mesa
AZ
USA
91 Posts |
Posted - 11/24/2009 : 19:44:24
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| Any updates on this? I have been excited to see the progress! |
18v Lamborghini (MP3, Lights, gauges, water cannon)
12v F-150 (super 6 motors, lights, remote kill switch)
12v Jeep (super 6 motors, lights)
12v Lil Quad |
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asoap
Apprentice Modder
Toronto
On
Canada
74 Posts |
Posted - 11/24/2009 : 19:48:30
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There are updates. The steering is almost done. I've designed the cardboard floor template. Built gas and brake pedal. However work has been put on hold about 3 weeks ago. I've been getting murderized by my day job, and working 12-14 hour days, including weekends. Which is preventing me from working on the car. Let alone finding time to upload photos :(
The good news is that I am paying off the car. :)
Cheers,
-Derek
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Speed, I am speed. |
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v8280z
Apprentice Modder
Mesa
AZ
USA
91 Posts |
Posted - 11/24/2009 : 20:09:42
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| Can't wait to see it! |
18v Lamborghini (MP3, Lights, gauges, water cannon)
12v F-150 (super 6 motors, lights, remote kill switch)
12v Jeep (super 6 motors, lights)
12v Lil Quad |
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Mustang / Go kart / scooter project
Forum Locked
