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HomeAircraftHelicopterKasama Srimok 90 › Srimok 90n 7.69 gear ratio is a winner!
03-21-2018 02:31 PM  8 months agoPost 1
Richardmid1

rrProfessor

Leeds, England

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I know there's not much Kasama'ing going on anymore but Kasama is alive in the UK still with many parts even kits still available.

I have just tried the optional 13T pinion with the 100T main gear and man it's a hoot! I've only had it upto 1950 on the head so far and I thought it might struggle with this gear ratio but it pulls through it no problem even with the YS91! I also switched to the metal helical crown gear and pinion which brings the tail ratio down from 4.67 to 4.14 which will help when I up the head speed more!

60% of the time, it works every time!

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04-03-2018 05:33 PM  7 months agoPost 2
kinson88

rrNovice

hoover, heliland

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do you have the parts number for pinion and main gear? thx

aurora90,700e,Sirmoke90n,fury extreme,4xtrex450,hdx3d,harrican550, trex600e/n, 6hv, rave450,sjm500

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04-06-2018 11:03 AM  7 months agoPost 3
Richardmid1

rrProfessor

Leeds, England

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Main gear: KSM70-TS01
Pinion: KSM20-TS17

If you have the stock tail gear ratio and plan to run higher than 1950 head speed I would recommend using 95mm tail blades.

60% of the time, it works every time!

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HomeAircraftHelicopterKasama Srimok 90 › Srimok 90n 7.69 gear ratio is a winner!
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