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April 25th, 2007, 11:30 PM   #1
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Chart for WP fork spring rates

problem is to identivy the springs, because there are no marks on.

My dealer has some second hand springs in stock, but he dont know the spring rates too.

I have found this.:

http://www.hagen-adams.de/projekt/exc45 ... lfeder.htm

Do you agree?

Or is there a (better) chart anywhere in the web?
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April 26th, 2007, 11:17 PM   #2
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What a stunning feed-back
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April 27th, 2007, 01:33 AM   #3
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you only left it 24hrs.
to be honest my germans a bit crap and figures wise i ain't got a clue i just tell the suspension shop what i weigh etc and try what they suggest.
i'm sure it will be helpful for someone.
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April 27th, 2007, 02:56 AM   #4
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Cypher,

sorry for my impatience, but i count nearly 40 hits in the 24 hours.

Maybe a chart similar to my example is known anywhere.
Original from whitepower?

You miss my question.

I´m not surching for a tip for the correct spring rate for me.

But to identification the springs without the original carton.

The husaberg and whitepower dealer near me can identify the springs by reading the cartons sticker, but not anymore.
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April 27th, 2007, 05:53 AM   #5
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You should be able to take that charge and your meter stick ana calipers and figure it out. You have spring length, wire diameter, pitch (number of wire loops per meter).
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April 27th, 2007, 08:51 AM   #6
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You might want to check the KTM board for some kind of chart. I was in there recently and found a ton of stuff on WP suspension.

Brian
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April 27th, 2007, 01:47 PM   #7
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here's what i would do......

1. take a spring of a known weight
2. place a cinder block, or dumbbell or similar heavy object on it, and measure how far it compresses.

3. do the exact same thing with the unknown spring

4. compare the results and do some math. if your known spring is a .44 and the unknown spring compresses about 10% more, then it's a .40 or thereabouts.


it might be easier to conduct this experiment with the spring in the fork leg (but the fork leg off the bike.
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April 27th, 2007, 02:18 PM   #8
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on the same vein, i have measured them before using a ruler, bathroom scale and a length of pipe. it will get you in the ballpark. find a piece of pipe that the spring wil just fit inside without binding, and about 3-6"(7-15 cm) shorter than the spring. put it all on a scale so that the pipe assy is vertical. zero the scale and depress the spring the amount that your spring data recommends (eg: 1"). the reading on the scale will be your value. after you do this and see what is light, what is heavy, note the differences in the thickness of the wire, seperation of the coils, and length of the spring and whether it is a straight wound or progressive. you will then be able to look at one and tell right off if it is heavier or lighter. might be easier just to lose weight
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