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 Post subject: spring calculations
PostPosted: Sat Dec 15, 2012 9:34 am 
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Joined: Mon Dec 03, 2012 6:19 pm
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Does anyone know if there is a formular for calculating the spring rates from the corner weights of the roadster. :?: If the springs were upright it would be easy but they aint :? :?

Bob


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 Post subject: Re: spring calculations
PostPosted: Sat Dec 15, 2012 10:44 am 
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Name: Bruce
Location: Biggleswade
I'm sure I remember seeing one somewhere, cant remember where is was though and I didn't save it :cry:


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 Post subject: Re: spring calculations
PostPosted: Thu Jan 10, 2013 11:43 am 
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Location: South Africa
Spring rate correction factors are:

0 degrees = 1.00 (nil)
10 degrees = 0.96
15 degrees = 0.93
20 degrees = 0.88
25 degrees = 0.82
30 degrees = 0.75
35 degrees = 0.66

E.G. 200lb/inch = Spring mounted straight (vertical) and 266lb/inch = Spring at 30 degrees

Note:
If for instance the spring is mounted at say 27 degrees the estimated correction factor would be about 0.79 (25=0.82 and 30=0.75 thus difference at 5 degrees are 7 and per degree 1.4 increment in this window). At lower angles the correction is less than at higher angles and need to be determined at correction factors closest to angle be used.


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