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  1. 6

    Designing a 4 trailing arm go kart.

    For the Shocks, I got them at Surplus Center. They no longer stock the exact model I got, but they do have a pretty nice set for even cheaper. http://www.surpluscenter.com/item.asp?item=28-1720&catname=wheels
  2. 6

    Designing a 4 trailing arm go kart.

    It's been a while. This project didn't end I've been working on it slowly but surely for a while. It is nearly unrecognizable now and has since been made into a mini rail and instead of the original idea of a Honda CR125 power plant it now has a Honda VF700 streetbike engine :eek:. It gets...
  3. 6

    Designing a 4 trailing arm go kart.

    Yea it is a long distance from the engine to the sprocket but luckily I got 2 5.5ft long 520 chains with the dirtbike.There isn't any room for a jackshaft without modifications unfortunately.After adding some diagonal supports to the swingarm I'll have to figure out a chain tensioner.Also a...
  4. 6

    Designing a 4 trailing arm go kart.

    I haven't updated lately but the steering is done and works with minimal bumpsteer(a couple degrees only at full droop).And yes it does have Ackerman.The steering works good but is has too high of a ratio for my taste(full lock is about an 1/8 of a turn on the steering wheel).I found a proper...
  5. 6

    Designing a 4 trailing arm go kart.

    Alright I understand you guys like ackerman so i'll design it in.But how bad is that front steering design i showed you guys.I would like a few opinions on what would be a more preferable alternative as the rod ends are coming tomorrow. My decision on ackerman was cause by years of racing RC...
  6. 6

    Designing a 4 trailing arm go kart.

    I did but I planned for no ackerman.Which depending on who you ask,is or is not a mistake.There's so many different opinions on ackerman that it's ridiculous.Some recommend reverse ackerman for high speeds,some say you need ackerman some say it's useless.So I compromised and just went with none...
  7. 6

    Designing a 4 trailing arm go kart.

    It does not look to hard to implement(just bend the angle iron steering arm to angle towards the center of the rear axle).But the reason i have been iffy about it is because the steering arm may hit the bottom H arm and the tie rods having a more circular movement during turning may cause the...
  8. 6

    Designing a 4 trailing arm go kart.

    I assume you mean lowering the spindle c-bracket till its in line with the lower arm right? I was thinking about doing that but the tie rod would have to be mounted in a way that it will hit the frame. My current idea is to do a Pitman style steering but have the Pitman arm be in the shape of...
  9. 6

    Designing a 4 trailing arm go kart.

    I'm figuring out all the math,measurements,and designs but it is a father son project.My dad does the cuts and I do the welding. Algebra 1 to me is not that hard it's just way to much work required between chapters.I'm only midway done with algebra 1.I have an A in it but I'll still be in...
  10. 6

    Designing a 4 trailing arm go kart.

    Yea they are Equal length arms.Not as good but I don't have the fabrication skills or equipment to build unequal length arms at least not for the spindles.And not to mention I already had some pretty complex math to do the front end I have now.I'm only midway through Algebra 1 which doesn't...
  11. 6

    Designing a 4 trailing arm go kart.

    It just a Harbor freight 90 amp flux welder.I must of got lucky when i got it because it's rated at 45% duty cycle instead of 18% like usual.It's been good to me,I've had it for 4 years and it still works beautifully. I'm not sure if they make aluminum flux wire.Would be nice though.Could make...
  12. 6

    Designing a 4 trailing arm go kart.

    Ok thanks.A few more days of working with my dad and the thing will be off the ground and on tires ready for the engine. The next biggest purchase after the wheels will be the steel for the roll cage.I would like to use 1" .090 or .120 square tubing to keep the weight down(even though the frame...
  13. 6

    Designing a 4 trailing arm go kart.

    Yea the C bracket will be welded on I'm just waiting for some opinions on what would be a good caster setting.
  14. 6

    Designing a 4 trailing arm go kart.

    Oh and the arms are raked +5 degrees for caster and the spindle C-brackets only have a bolt holding them for now because I am unsure about what would be a good caster setting.Any Recommendations? Also the the C-brackets will be gusseted like this.As for the grade 8 bolts having a gap right now...
  15. 6

    Designing a 4 trailing arm go kart.

    My Redesign It's been a while and a lot has changed.Got the axle,hubs,and front spindles mounted.Along with an extensive front end redesign. Here's a small pic of the 3000psi "tee" fittings that I'm using for the spindles.There about 3 times as thick as a standard fitting. The "H-arms"...
  16. 6

    Designing a 4 trailing arm go kart.

    Thanks I'm putting in the order tonight.$147 shipped plus $20 for 2 eBay pillow blocks.Will hopefully be here Friday. Will be using a standard 4 on 4 wheel hub to hold the sprocket once I make the adapter plate for it.
  17. 6

    Designing a 4 trailing arm go kart.

    Anyone?I need to order these parts tonight or tomorrow.
  18. 6

    Designing a 4 trailing arm go kart.

    i plan on ordering some parts from BMI this weekend.BMI does not have summary pages so I'll just give the part numbers. 1" Live Axle $20.00 (45" #400045) SKU/Part No: 4000** Wheel Hub 1" Bore SKU/Part No: 260050 and either these for the front Heavy Duty 4 on 4 Wheel Hub SKU/Part No: 260056...
  19. 6

    Shock absorbers

    I recommend going with oil filled shocks as no dampening and all spring seems like it would be a bouncy ride.You might "pogo" over bumps. If your looking for some nice cheap shocks take a look at these.https://www.surpluscenter.com/item.asp?item=28-1721&catname=wheels So far they seem to be...
  20. 6

    Designing a 4 trailing arm go kart.

    Guys I know the front suspension sucks.It is a prototype and will be changed in the near future.I already have a single A arm design figured out that will use the same steering design and tie rods I'm planning for the L arms.It will cost me no more than $10 to redesign the front end(I'm getting...
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