My custom brace..
05-11-03, 06:13 PM
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My custom brace..
05-11-03, 10:02 PM
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I felt guilty when I sold my zaskar tech shop frame with carbon Ti rock shock to buy car parts. I guess it was lucky I didn't canabalize it instead
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05-11-03, 11:34 PM
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I originally made a solid one and it work well but transmitted some vibration to the cab. This one has much less (almost none) but with that same solid feel. How much did I pay for the shock? My neighbor owns a bike shop and he had it kicking around in the back so he gave it to me!!
05-12-03, 12:36 PM
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What spring rate are you using on the spring? lb/in, N/mm
Of course its not going to transmit any vibration, its not doing anything. The spring is no where near as strong as the solid shaft. That shock looks like it has ~2" of travel before bottoming out. If your eingine kicks over that far, you have broken motor mounts.
While it may push back on the engine, I doubt it can absorb the impluse from a standing launch.
I think you might want to preload the hell out of it. I doubt the damper can control the engine, so watch out for failure of the damping mechanism.
there is only one bolt where the shock mounts to the solid bar. How do you keep it from pivoting? is there another bolt I can't see?
I like the idea. That can definately tune out idle vibration, but the idea is to react the torque generated by the engine during launch. You need to limit the travel of the damper. Try a machined spacer (cylinder.)
good luck
Of course its not going to transmit any vibration, its not doing anything. The spring is no where near as strong as the solid shaft. That shock looks like it has ~2" of travel before bottoming out. If your eingine kicks over that far, you have broken motor mounts.
While it may push back on the engine, I doubt it can absorb the impluse from a standing launch.
I think you might want to preload the hell out of it. I doubt the damper can control the engine, so watch out for failure of the damping mechanism.
there is only one bolt where the shock mounts to the solid bar. How do you keep it from pivoting? is there another bolt I can't see?
I like the idea. That can definately tune out idle vibration, but the idea is to react the torque generated by the engine during launch. You need to limit the travel of the damper. Try a machined spacer (cylinder.)
good luck
05-12-03, 12:51 PM
#13
Eats, Sleeps, Dreams Rotary
You know, my buddy ben has the feed torq brace and before he installed it I tried to compress it and it feels rock solid...I can't imagine a Mt. Bike shock doing the same...If it works that's great! However, a REAL torq brace can be had for about $100 used. Was it really worth it for your time and the cost of the shock?
05-12-03, 01:37 PM
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I agree that this shock is not up to the impulse load from a full throttle launch. But then again I don’t do that too often. With out a brace, a full throttle shift from 2nd to 3rd was sometimes vague and I did miss once (ouch). With this brace the 2nd to 3rd shift is very defined and solid.. I do think D-town has got the right idea on limiting the travel of the shock. I have no idea what the spring rate is but I do have a butt load of pre-load on it and I took the shock apart and loaded it with the heaviest oil the bike shop had. The shock is attached to the rod via a machined fitting I made, and without going into detail, the fitting can not rotate. (Unless it fails)
Then there is the issue of heat from the turbos.
All that being said, I don’t think I would have done this unless I had gotten the shock for free and the fact that I enjoy pissing around with my car...
Then there is the issue of heat from the turbos.
All that being said, I don’t think I would have done this unless I had gotten the shock for free and the fact that I enjoy pissing around with my car...
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