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Old 03-12-2005 | 12:45 PM
  #12  
jaka
 
Joined: Dec 2001
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From: Upplands Vasby, SWEDEN
Default RE: confusing imperial system
Hi!
Well, nearly all 3,5cc-8,0cc engines use this 1/4x28 axle tread dimension. It is only MVVS and Rossi (Nova Rossi) that use a metric thread (6mm, 7mm or 8mm).
As has been said before; 1/4" is the diameter of the axle in inches and 28 is the treads per inch.(Inch is tum in Swedish).
Hope the world could get rid of the inch system soon!
If you want an aluminum spinner nut I can make one for you.

Regards!
Jan K
Sweden
http://hem.passagen.se/airracing
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