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HelicopterSynergy R/COther › available gear ratios
01-23-2007 05:45 PM  10 years agoPost 1
anjki

rrNovice

northants,uk

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anybody no the best gear ratio for an os 70 with mp2?.
i would like to run head someware between the 1800-1900max range.
are any gear ratios available for the synergy yet, if so what do i need?
thanks guys
andy k

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01-23-2007 09:26 PM  10 years agoPost 2
Real Raptors

rrApprentice

UK

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Hi Andy
Gear ratio’s available are 8.27 and 8.4

OS70 quoted engine speed is approx 16,000 rpm / 8.27 = 1934HS
OS70 quoted engine speed is approx 16,000 rpm / 8.4 = 1904HS

There is not a lot of difference between the too

Andy

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01-24-2007 06:41 PM  10 years agoPost 3
anjki

rrNovice

northants,uk

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thanks andy
i am looking for some advise if anyone can help.
i have a synergy which i would like to set up for practising,with longer flight times than my synergy 90 just general stuff, nothing agressive,loads of autos etc.i already have a synergy with a 90 in,so i am looking to run a 60/70 with a mp2.
looking at the available gear ratios,would i be beter to run a ys61 or an os70? does anyone no if there will be any other ratios available soon.
i read that todd bennett runs 60s at his flight school,anyone no what his setups are?

thanks
andy k

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01-24-2007 07:33 PM  10 years agoPost 4
V8Buggy (RIP)

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USA

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Check With Todd..

I believe he is running YS-61s in his school helis.

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HelicopterSynergy R/COther › available gear ratios
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