Thread: Hpi Pro 4
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Old 05-06-2004, 09:37 AM
  #4390  
rc-zombies
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Default Re: Spring rates

Originally posted by X2
Hi all. does anybody know the Pro4 spring rates in lb/in ?
If somebody does it would be a great help, Cheers
To convert gr/mm to lb/in
gr/mm divided by 454 x 25.4 = lb/in

from lb/in to gr/mm
lb/in divided by 25.4 x 454 = gr/mm

hope this helps.
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