R/C Tech Forums - View Single Post - Helical vs. straight cut diff gears???.....
Old 02-03-2009, 10:55 AM
  #9  
jsmax
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I have the original USA version MBX-6 and it does have helical/spiral cut gears, not sure on the manual though.

Difference, helical/spiral cut gears seem smoother and stronger.
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