Kids kart build

[Vartz04]

Still not sure if I'm going to go electric or gas (leaning towards gas)

Frame:
6" elongated spidercarts itzy bitzy frame

I made it longer as I want the kids to be able to use this for a long time.

I ordered the rear rim/hub combo, spindles, and steering blocks on Wednesday. Once those come in I'll weld on the spindles and rear axles as well as the steering brackets.

If I go gas this thing will be geared down to at least 12:1 so I'll need a jack shaft mount.

More progress to come next week.

 

[Vartz04]

Well got the spindles welded on today. Unfortunately they are a 6" shaft length which is way too long for the tires I intend to use (4.10/3.50-4) so I will need to get a tap from my dad and thread more of the shaft and cut off the excess.

I also welded on one of the rear axle stubs. Waiting on the rear wheel/hub/brake drum to weld on the other side to make sure I have a long enough shaft for all of that.

Hopefully the steering blocks will show up this week and I can get the steering mounts all set up and all 4 tires on. Then it's a waiting game until I have more funding to continue.

 

[chancer]

Looking good so far

 

[Vartz04]

More progress.



The tires are similar to HF tires in looks alone. Much higher quality and come with grease zerks installed. I bought an extra just to steal the tire off of for the rim I'm still waiting on that has the hub to attach the sprocket and such.

I need to get a 5/8 fine thread tap so I can mount up everything on the front end.

 

[Vartz04]

Got the front tires mounted, still waiting on the rear tire/hub (crappy eBay seller. Sometimes cheaper isn't better. Paid $12.99 for shipping and he sent it in a way that likely costs $4)



Bought the 5/8 rod for the steering shaft today, steering wheel, Pintam arms, steering wheel hub should all be here Thursday.

Need to make some tie Rods after that all comes along with the steering shaft mounts (I have the steering blocks already) and if I set up the brake this can be a down hill kart for my niece to test out in the next week or two.

 

[Vartz04]

Is it just me or does this sprocket seem too far over? I'm thinking I put the hub on backwards so I may need to flip it around.

 

[rocketkart]

usually the sprocket is by the tire and the brake band is by the engine. looks good to me.

 

[Vartz04]

So the sprocket and brake should be swapped? That won't change the position of the sprocket much but good to know so I don't have to take all this apart again

 

[rocketkart]

So the sprocket and brake should be swapped? That won't change the position of the sprocket much but good to know so I don't have to take all this apart again

no i had to edit my last post. you have it the rite way. the reason why your drive wheel looks like it is out more than the other is the hub is wider than the others cus you have a sprocket and brake on it and the hub has to be bigger to accommodate the sprocket and brake band. sorry about my last post.

 

[OzFab]

No, he said it's correct the way it is...

 

[Poboy kartman]

So the sprocket and brake should be swapped? That won't change the position of the sprocket much but good to know so I don't have to take all this apart again

No...the way you have it is normal....

 

[Vartz04]

I'm actually talking about flipping the hub so the sprocket and the brake are in tighter to the tire. Not sure if it will be too tight then or not. Worth a shot I guess

 

[Vartz04]

Mounted the steering wheel to the steering shaft and made the steering shaft support brackets. Need to weld on the brackets and get my niece over here to determine shaft length and seat placement.

 

[Vartz04]

Got the steering set up. I left it a little long so I can tweek it when I have a kid over here to test it but this should be pretty close. Just need to weld on the Pintam arm and make some tie rods

 

[MatthewD]

Nice! I'd go with a petrol engine if I were you. If you decide to go for an engine, what would you be using?

 

[Vartz04]

If I go engine I'll use the 79cc HF engine. Since I have a 500 watt DC motor already I think I'll set it up for electric and when the kids get a little older I'll switch to gas.

 

[Vartz04]

Ordered a cheap controller and a Hall effect pedal to see if I like this whole electric idea. If it sucks I'm not out much coin and could likely resell it. Looks like this thing may be moving under its own power by Saturday.

 

[Vartz04]

Mounted the electric motor and built some temporary tie rods (once this thing gets taken apart for paint I'll buy the correct ones)

This week or next my batteries, motor controller, and throttle pedal should be here and I can put this thing together and test it out. Once I know it works I'll disassemble and paint everything and clean up some of the welds.

 

[Vartz04]

Got a little more done. Welded in some 16ga sheet for a floor pan and put a chain on it. Hooked it up with a little 12 v battery (no throttle control and no brakes) and did a short test drive. It goes maybe 3 mph with my 225lb butt on it so maybe 12 with the full 36v and a small kid on it.

 

[Vartz04]

Seats on.



Aside from cleaning up some things and replacing some temp parts that's it for the fabrication minus a brake pedal and a mount for the batteries.