![]() 02/08/2016 at 21:32 • Filed to: None | ![]() | ![]() |
I was fixing to buy this little kiddie 4-wheeler, when I noticed something off.
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Look at the fourth picture. Does the left wheel look like it’s at a different angle than the right wheel to anyone else? If so, is that a common problem on these machines? Has anyone else owned something like this?
![]() 02/08/2016 at 21:36 |
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That’s called Ackerman. It’s a normal part of steering geometry.
https://en.wikipedia.org/wiki/Ackermann…
![]() 02/08/2016 at 21:39 |
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Oh! Excuse my ineptitude. That was just a red flag for me. Do cars use this system, too?
![]() 02/08/2016 at 21:39 |
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Yep. Same thing happens on my RC cars.
![]() 02/08/2016 at 21:43 |
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Oh, yeah, I have noticed it on RC cars, now that I give it some thought.
![]() 02/08/2016 at 21:44 |
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Yea, but it tends to be much more subtle. (The wheelbase is much longer relative to the track width, so the difference in angles is not as extreme.) Not ineptitude at all, though. It’s something folks don’t tend to think about.
![]() 02/08/2016 at 21:46 |
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Interesting tidbit from the Wikipedia page:
Modern cars do not use
pure
Ackermann steering, partly because it ignores important dynamic and compliant effects, but the principle is sound for low-speed manoeuvres. Some race cars use
reverse
Ackermann geometry to compensate for the large difference in slip angle between the inner and outer front tyres while cornering at high speed. The use of such geometry helps reduce tyre temperatures during high-speed cornering but compromises performance in low-speed maneuvers.
I guess that’s why it seemed foreign to me, and I suppose it makes sense on a low speed vehicle like this.
![]() 02/08/2016 at 21:47 |
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Oh, OK. It makes a lot of sense.
![]() 02/08/2016 at 21:57 |
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Just an FYI, this is a bolt-in swap and has 25-30hp: http://tboltusa.com/store/daytona-…
If you don’t do it you’re a wuss
![]() 02/08/2016 at 22:02 |
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I would love to do that, but I don’t have $1,200. If you know a way to get more power out of the stock engine, on the other hand...
![]() 02/08/2016 at 22:13 |
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Well it looks to be a good old-fashioned 4 stroke horizontal honda scooter engine, which are about as popular as small bike engines get (Honda cub and basically every pit bike ever) so there’s huge aftermarket support for it. Since it’s already a 110 I don’t think there are any big bore kits or the like for it but you could probably find some high-performance heads and whatnot, and there are a ton of lower cost swap options for it: http://tboltusa.com/store/engines-… and a lot of those will have racing heads and big bores available for them.
![]() 02/08/2016 at 22:14 |
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Bolt in swap you say.
![]() 02/08/2016 at 22:18 |
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Well you might want a different sprocket since you’re at least tripling the stock power
![]() 02/08/2016 at 22:39 |
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Wonderful news! Thank you.
![]() 02/08/2016 at 22:43 |
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Yep! I’d check for serial numbers to figure out exactly what engine it is, and from there the world’s your oyster.
![]() 02/08/2016 at 22:48 |
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Just Say No to cheap Quads!
![]() 02/08/2016 at 22:51 |
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How come? I can’t afford a real one.
![]() 02/08/2016 at 23:00 |
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There’s a reason for them being cheap. When they break, and they do, they’re not worth fixing.
I’m on mobile and cant get too deep but this Honda quad would be a much better investment. https://nashville.craigslist.org/snw/5435450931…
![]() 02/08/2016 at 23:27 |
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I hadn’t seen that one, thank you.
![]() 02/09/2016 at 06:21 |
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Thank you for the random link. On there I found a performance coil for my scooter for $29.99, the OE one was $50.