Santa Pod Finals 2005: Günther Sohn breaks the belt.
Uploader Comments (nederpiet)
All Comments (7)
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tanto pedo pa cagar awado
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Most new drag bikes have solved the snapping belt problem by moving the clutch pack 'in-board' away from the pulley and belt. Put my name into youtube search to see the new 2008 video!Good work Piet
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On our TF bikes we run the chains as tight as we can get them, no suspension so we don't need slack, but if you look at a picture of a TF chain in the burn-out you will see loads of slack appearing from nowhere. The forces involved are a lot more than you think. Trust me Luke 'believe in the force my son' Turbo (PS night rod's rock!)if you e-mail me I will send you pix of my chain at rest and in action. I have seen frames cut in half by snapping chains!
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Shaft drive is a big NO-NO with drag bikes. Been tried and does not work. You try winding the revs to max on a BMW and dropping the clutch and see what happens! It will try to lift the bike over the back wheel then snap the shaft or the universal joints. It will also make the back wheel hop. There is a reason drag bikes use chains!
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belt drives are ok better than chain as Turboville has explained. But we also have shaft drive, BMW have a good program in place. would like to hear Turbovilles insight to shaft driven Drag bike, i have a harley night rod been worked on at the moment.
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Belt drive sucks
Gates polychain belts are the only thing in the world that can transmit 800hp and 1000 ft lbs or torque to a slder clutch. Belt drives rock! Chains will not work at that speed, they would disintegrate and chop your leg off. Chains are OK for final drive because they are not moving so fast, for the final drive only the biggest EK chain will take the brutal power in one hit. The primary belts break after a few runs when they become hot from the slider clutches they run on.
Turboville 3 years ago
Thanks for explaining, Ian.
nederpiet 3 years ago