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HelicopterCentury Radikal G20-30 N640 Hawk Predator › hawk pro gear ratio question ..help
04-05-2011 04:18 AM  6 years agoPost 1
pinoydad

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auburn

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i am using aerospire gov pro and i reset it to factory default ..and now i have to reconfigure ..i done this more than a year ago but i forgot the value to the gear ratio..main and pinion are stock ..will some one point me out to how i can figure this out ?..thanks

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04-05-2011 05:14 AM  6 years agoPost 2
Gearhead

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Vt

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Hawk Pro 30 Ratios,,

Stock 55T Counter Gear 13T Pinion = 9.760 Ratio

1639HS @ 16,000 Enginge RPM
1741HS  @ 17,000 Enginge RPM

53T Gray Counter Gear 13T Pinion = 9.408 Ratio

1701HS @ 16,000 Enginge RPM
1807HS @ 17,000 Enginge RPM

Jim
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04-05-2011 06:12 AM  6 years agoPost 3
CX1

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Canada

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04-05-2011 09:00 PM  6 years agoPost 4
pinoydad

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auburn

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counted mine and its 60 ..pinion is 13 ..what ratio would that be ..i know it is critical to enter the right values to the governor ..some one enlighten me on this pls ..

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04-05-2011 09:55 PM  6 years agoPost 5
Gearhead

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the Clutch Bell Gear should be 26 T,,

the Counter Gear should be 55 (black)

the Drive Pinion should be 13 T

and the Main Gear is 60,,

the Ratio is 9.760

Jim
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04-05-2011 10:09 PM  6 years agoPost 6
Gearhead

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Vt

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OK,,

Divide 55 by 26 = 2.115

Divide 60 by 13 = 4.615

Multiply 2.115 by 4.615 = 9,760

Jim
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04-05-2011 10:36 PM  6 years agoPost 7
pinoydad

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auburn

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yep ..was typo ..i meant 13 ..thank you ..thank you ..you the man .

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