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Chain whip

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Old 08-18-03, 12:15 PM
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greywolf
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Chain whip

Can anyone give me a design or drawing to give me an idea to make a chain whip ??
thanks greywolf
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Old 08-18-03, 12:28 PM
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You can easily duplicate Parks' chain whip by using an old BMX or any 1/8" chain and a nice 1/8" thick, 2" wide, a foot long piece of scrap aluminum. But I think it's cheaper to just go out and buy the real thing....

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Old 08-18-03, 08:56 PM
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Originally posted by George
You can easily duplicate Parks' chain whip by using an old BMX or any 1/8" chain and a nice 1/8" thick, 2" wide, a foot long piece of scrap aluminum. But I think it's cheaper to just go out and buy the real thing....
Despite my Scottish DNA, I agree.
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Old 08-19-03, 01:28 PM
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I tried doing this in the '70s and had problems with the rivet pulling out at torque levels well below what I needed. Parks whip runs $15 or so and is well worth it. FWIW the ends of the 2" al strip are beveled at about 30deg and rounded off on the end of the bevel to a 0.5-0.8cm radius. Steve
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Old 08-19-03, 03:31 PM
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Thanks for your replies , I needed to strip two 6 speed screw on freewheels to replace the third sprocket which is worn on mine,I wrapped a piece of old chain right round the big sprocket & clamped the two ends in the vice & used a pair of Stilsons(pipe wrench) to loosen the locking rings , the job worked out OK .
thanks again
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Old 08-19-03, 07:02 PM
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I usually use 6" of chain and a vise-grip pliers.
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