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HomeAircraftHelicopterHIROBOOther › gearing question
10-09-2005 01:03 AM  12 years agoPost 1
westwindpilot

rrVeteran

Glendale, AZ

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i have the freya evo90 and have the 8.47 gear ratio on a os 91 cspec. what do i change to get the lower gear ratio? still learning hiriobo. thx.
steve

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10-10-2005 02:27 AM  12 years agoPost 2
marc8090

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Long Island, N.Y.

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If you have the 93t main gear and 11t pinion, the ratio is 8.45 to 1. To lower the gear ratio, install the 12t pinion gear. This will give 7.75 to 1 with the 93t main gear, or 7.92 to 1 with the 95t main gear.

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