Angle of attack...
10-29-07, 06:55 AM
#1
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Angle of attack...
When you design a tadpole how do you choose the angle of the post the crank is mounted on? Are there some sites that explain these things?
10-29-07, 08:59 AM
#2
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I'd aim for about 65 degrees from the line described by the power side of the chain. That's not a hard and fast number, there's wiggle room in either direction. Within reason, a shallower angle will let you shift a greater range of chainrings, and a steeper angle... won't.
If in doubt, measure the angle on some uprights.
If in doubt, measure the angle on some uprights.
