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HelicopterNext D Rave-ENV-700 › Proper Gear Ratio
08-05-2011 06:53 PM  6 years agoPost 1
eric cartman

rrNovice

South Park, CO

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Hey guys, just a simple Q...

I believe the gear ratio is 8.125:1 - - I've used this (8.12)in setting up a CGY750 Gov, haven't tac'd it out yet, but the headspeed just sounds way high for what I've got it set to 1750, 1850, 1950... Is this the correct ratio?

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08-05-2011 07:11 PM  6 years agoPost 2
Heli 770

rrProfessor

USA.

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It is, 16T pinion and 130T main.

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08-05-2011 07:13 PM  6 years agoPost 3
eric cartman

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South Park, CO

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That's what I thought.... Works out to 8.125. Maybe my mind is playing tricks on me with the headspeed. Need to tac it out I suppose.

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08-06-2011 12:05 AM  6 years agoPost 4
BrianSkilton

rrNovice

Surrey

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I set mine as you state and using an optical tach it was spot on!

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08-06-2011 06:09 AM  6 years agoPost 5
Fnity

rrKey Veteran

Socal - Lafayette, IN

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+1 Im also @8.12 on mine w/CGY750

Tach showed I was dead on

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HelicopterNext D Rave-ENV-700 › Proper Gear Ratio
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