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Old 02-21-2013, 08:53 PM   #1
Nano0k OP
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First Projet

Hi , first post , nice to meet you all !
After being a while looking up for some swing arm configuration over many site i decide to show you my work wondering if my setup enough strong. nothing full welded so i can dissemble it before making a bad move.

im used to speak french so ill try my best to describe this set up. mainly a 1 5/8 tubing 3/6 wall ( ~ L.20 inch ) welded on a pivot point ( L. 4 inch ) which got 2 radial bearing each side. fully machined wheel shaft welded on a 4.5in triangle. ( easier to change on a shaft break ) main frame is 1 1/4 tubing. everything work fine when wheel goes up and down. but is it gonna be able to handle side movement effect ?

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Old 02-21-2013, 09:02 PM   #2
Qwik
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I know very little about this but it looks good. Would love to see more pics. Whats the Tug, Whats the intended use?
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Old 02-21-2013, 09:13 PM   #3
Nano0k OP
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Me and my friend building a side car and plan to make a trip from Quebec to B.C passing trough USA . We making a hybrid version of a sidecar cross and a sidecar . i mean we wanna be able to do track and and make road too ;) so far we been working on the frame. a roughly 2 more day and its gonna be the test run. ( still need 2 other attach and a footstep ) here a picture mounted on a XR650.

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Old 02-22-2013, 06:55 AM   #4
kshansen
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You say need 2 other attach?

I'm thinking what you are talking about is the upper connections to the bike? What I see so far looks very nice. Obviously you have access to some good machine tools and skills. My only question would be the size of the axle. As it is supporting the wheel from only one side it needs a bigger axle than a bike where it has support on both sides.

Also might want to look into putting a motor in the bike, B.C. is a long way to push an outfit!

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Originally Posted by Nano0k View Post
Me and my friend building a side car and plan to make a trip from Quebec to B.C passing trough USA .

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Old 02-22-2013, 08:06 AM   #5
YOUNZ
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It looks as though a hard left turn would cause the sidecar wheel to toe out, due to the axle arm flex, without a lateral control arm. By axle arm, I mean the up and down arm the axle is attached to, if that helps.
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Old 02-22-2013, 10:41 AM   #6
halflive
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Hello
I'm not afraid your swing arm will bend. The tube won't bent. Just as long as you install an reinforcement in the corner. I'm more afraid of the wheel axle. It looks like a standard front axle mounted on one side. The standard front axle is not sturdy enough. You need an axle of about 20mm, about 0.80".
I also don't understand why the pivot of the swing arm is higher than the sidecar frame?
Third point, the rear mounting looks solid. But the front mounting point looks as if it is welded on a crash bar.
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Old 02-21-2013, 09:35 PM   #7
Qwik
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Looks good so far. I am thinking of doing a SuperMoto Sidecar based on a 98 Yamaha YZ400F
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Old 02-22-2013, 07:54 AM   #8
GreatWhiteNorth
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Nice!

Nice work. Keep it light. I've got a KLR650 and DMC Enduro sidecar setup... not too far off what (I think) you're trying to accomplish. You'll have a blast with that thing.
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