R/C Tech Forums - View Single Post - 2017 OS Speed R2103 3.5cc Nitro On Road Engine
Old 08-16-2017 | 02:58 AM
  #32  
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Roelof
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Joined: Aug 2007
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From: Holland
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Originally Posted by VS_Rody
The more you have weight to rotate to more torque you create, however this also means slower acceleration. A fine balance is always needed.

The steel bearings are more heavy to accelerate compared to the ceramic bearings and so there is some torque difference in favor for the steel bearing. However a little less acceleration.
So it is all about the inertia giving a better push when going to the seccond gear.
Or is it just that we are already low on weight with the clutch (lightened flywheel and aluminium clutchbell) that some rotating weight is needed again to get a more stable running engine?
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