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Main Area => Odds n Ends => Topic started by: CirclesCenter on October 09, 2006, 11:23:58 PM

Title: Ok how does this thing turn the wheel?
Post by: CirclesCenter on October 09, 2006, 11:23:58 PM
I don't get it, how does it turn? How can you countersteer this thing?

I see the red rods, but I can't visualize how the system works...

(http://motorcyclistonline.com/firstrides/122_0503_02z+2005_bimota_tesi_2d+side_frame_view.jpg)

(http://motorcyclistonline.com/firstrides/122_0503_01z+2005_bimota_tesi_2d+side_lean_view.jpg)
Title: Re: Ok how does this thing turn the wheel?
Post by: pantablo on October 09, 2006, 11:59:36 PM
think of how you adjust a wheel on a single sided swingarm-with an eccentric spacer/washer. I'm guessing its the same idea and the tie rods pull/push an eccentric spacer of some kind...just a guess.
Title: Re: Ok how does this thing turn the wheel?
Post by: Jake D on October 10, 2006, 09:24:35 AM
Yeah, but the front swingarm is dual sided.  The front axel must float in there somehow. 
Title: Re: Ok how does this thing turn the wheel?
Post by: mjn12 on October 10, 2006, 09:59:51 AM
That riding position looks extra uncomfortable
Title: Re: Ok how does this thing turn the wheel?
Post by: WREX on October 10, 2006, 01:28:08 PM
if you can get a hold of other pics, look closely near the front axle.  there are teardrop shaped holes that allow the axle 'slide' laterally.  you can almost see it in the second shot.  the swingarm itself does not move side to side.  pretty naked and pretty light bike (lighter then most SS 600's).

Title: Re: Ok how does this thing turn the wheel?
Post by: Codger on October 10, 2006, 01:57:34 PM
There is a suspension rod to a fixed axle with a centerline king pin.
The swing arm is wide at the back to clear the turn of the tire.
With the radius rodded axle, The rake is held constant.
A steering rod drives a separate bearinged arm to turn the wheel hub around the king pin.
If you're ever in Birmingham AL, they have one at the raceway.

go to http://www.tonyfoale.com/ gallery, various front ends, Tesi01
Title: Re: Ok how does this thing turn the wheel?
Post by: CirclesCenter on October 10, 2006, 09:03:54 PM
Quote from: pantablo on October 09, 2006, 11:59:36 PM
think of how you adjust a wheel on a single sided swingarm-with an eccentric spacer/washer. I'm guessing its the same idea and the tie rods pull/push an eccentric spacer of some kind...just a guess.

Yeah but I don't see that providing enough movement. I had thought of that but it didn't seem like it would provide enough movement to be practical.
Title: Re: Ok how does this thing turn the wheel?
Post by: The Buddha on October 11, 2006, 12:34:32 PM
Omega baby ... that's all you need to know ...
BTW there was one dude who'd make them for RZ350's in the Nor CA area.
Cool.
Srinath.