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HomeTurbineAircraftHelicopterTurbine Helicopters › HP5 / PHT3 stock gears and belts
01-28-2012 03:54 PM  6 years agoPost 1
2zzge

rrNovice

Mia, FL

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Hi guys,

can anyone tell me what is the shock gearing on the HP5 in order to achive 1250 rpm.

thx
David

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01-28-2012 04:21 PM  6 years agoPost 2
modtron

rrKey Veteran

Oxford. UK

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Normal PHT3
Engine - Main Rotor = 73.25:1
Main Rotor - Tail = 4.67:1
Engine @ 94000 rpm
Rotor @ 1283 rpm

modtron
Oxford UK

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