spoke tension
stoobydale
Posts: 535
Is there any resource where I can find out recommended spoke tensions? I am building some wheels with Mavix CXP33 rims and wouls like to get the tension as high as possible without risk of damaging the rim.
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Comments
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When I bought a Park spoke tension guage it came with a with a chart of tensions
for various sizes and types of spokes.
Dennis Noward0 -
stoobydale wrote:Is there any resource where I can find out recommended spoke tensions? I am building some wheels with Mavix CXP33 rims and wouls like to get the tension as high as possible without risk of damaging the rim.
Hi there.
When I've built cxp33's or open pros the nipples round off before I get to enough tension to pull the rim out of shape...
Cheers, Andy0 -
There is a pretty good thread on wheel strength and spoke tensions in the MTB workshop section.0
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Thanks for the replys. I have also purchased the Park tool tension gauge, but there is a big range for the spokes that I am using. I will check out the MTB forum.
Cheers.0 -
According to Gerd Schraners "The Art of Wheelbuilding",
"On the most popular standard hollow section rims (MAVIC 315,517,321,521, Open Pro) the average torque according to my experience is:
900-1000 Newtons on the ffront wheel (200 - 225 lbs)
1000-1100 Newtons on the right-hand side of the rear wheel (225 - 250 lbs) and only
600-700 Newtons on the left-hand side of the rear wheel (135 - 160 lbs)
......
On rims with high-V-cross sections (CAMPAGNOLO Atlanta, RIGIDA DP18 and 22) and when using hexagonal nipple heads, spoke tension can be as high as 1,500 Newtons (340 lbs)"
Schraner also points out that standard profile rims will begin to react at a tension of over 1200 Newtons - the rim begins to collapse or the flanks of the nipple are damaged by the wrench. A deep V cross section using hexagonal nipples will withstand up to 2,000 Newtons.'This week I 'ave been mostly been climbing like Basso - Shirley Basso.'0 -
Thanks Langerdan. Although it does make me feel a bit stupid now as I have a copy of that book. Should have looked before posting the question. :oops:0
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