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Precision Aerobatics Airplaces
LA Heli Autogyros
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Precison Aerobatics
HPI Mini Recon
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Rotortech Luminous V2 Blades
Blade mQX
Trex 450 Pro V2

Hirobo Embla 450E

Real Flight 6
Mavrikk

Celectra A/C Charger

Blade mSR X RTF

Blade SR120 RTF
Axe CX Nano

FyeTech X4

HeliProz Pinion Calculator
Enter the values from your heli system to estimate the pinion required
Number of teeth on your main gear: Default: 138
Target Head Speed: Default: 2400
Your Motor KV: Default: 3500
Your Battery Voltage: Default: 11.1
Efficiency Rate:
(.8 for 80% or .9 for 90%):		 Default: .9
 
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