APC Suggested RPM Limits [from APC]

You can't be too safe....

APC Suggested RPM Limits

Glow Engine and Speed 400 Electric Props

Maximum RPM=190,000/prop diameter (inches)
(For example, a 10x6 glow engine prop should be limited to 19,000 RPM)

Thin Electrics and Folding Electric Props

Maximum RPM=145,000/prop diameter (inches)

Slow Flyer props

Maximum RPM=65,000/prop diameter (inches)

Racing Props

8.75 N,W and 8.8 series 40 Pylon props
Maximum RPM=225,000/Prop diameter (inches)

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