A.k.a.: Dave Butler Muffin Man
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posted on January 8th, 2006 at 11:18 AM
New Front Pulley/Degree Wheel
Here is the new pulley that I made from aluminium to go on my engine.
I shrunk fit a thick washer into the outside, and a small steel ring on the inside to stop it biteing onto the crank shoulder.
I got a degree ring that I will glue into place when I have the engine locked at TDC.
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That's mad Alan.
hellbugged
A.k.a.: Daimo Pell
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posted on January 8th, 2006 at 11:32 AM
Dave,
I am so stoked you got a camera for christmas
thanks for all these piccies and the info along with 'em, inspirational stuff.
dangerous
A.k.a.: Dave Butler Muffin Man
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posted on January 8th, 2006 at 11:34 AM
Vibration Dampening
I was concerned and interested in the topic of vibration dampers and began to modify a Chev "Fluidampr".
But then I read that solid heavy pulleys REFLECT waves, not absorb, as some companies woulds have you believe.
In the end, I concluded that the weight would be more of a hinderance than an advantage,
with such a short crankshaft (even though Subarus have them).
I have seen many heavy pulleys destroy the nose of a good crank.
This is not the pulley's fault, only that the VW bolt and key
was never intended to support such a mass that is trying to reflect a vibration.
Also, the majority of Aluminium pulleys just dont fit the crank like the original.
The CE pulley is very nice (aluminium), as is the light Berg standard weight pulley (steel). Both fit and finish with these.
Proper vibration dampers are actually designed to a particular application, so on the volksy, only the "Fischer" as like this.
But it is also heavy and expensive. For this reason, I don't think it would give any performance gain (like weight reduction does), but may add to
crank life if the mass and damping medium are correct.
[ Edited on 8-1-2006 by dangerous ]
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That's mad Alan.
Craig Paton
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posted on January 9th, 2006 at 06:47 PM
Volkswagen certainly knew what they were doin when they designed the pulley, fan & Generator set-up!
