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Contra Drive for IC Engines

Old 07-04-2022, 08:06 PM
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Default Contra Drive for IC Engines


Is this the next big thing in F3A Contra Drives ???? I think YS is already developed a twin engine.......
Old 07-13-2022, 08:27 PM
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Judging from the interest in it a while back, probably not.
Interesting Youtube find.. IC Contra drive.
But one never knows how trends go??

Last edited by bjr_93tz; 07-13-2022 at 08:30 PM.
Old 07-14-2022, 06:39 PM
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Originally Posted by bjr_93tz
Judging from the interest in it a while back, probably not.
Interesting Youtube find.. IC Contra drive.
But one never knows how trends go??
Its top secret ...........
Old 09-10-2022, 05:39 PM
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Nice, but seems heavy as a brick! BTW, I'm curious, how do you measure RPM with the hand held meter? What read do you get when you point one agains it???
I'm deaperatly after "Dualsky -XM2203TY-24CR", for my microlight DC Pattern series, any one got one to get rid off ???, new or S/H, TX. jofro.
Old 02-09-2023, 12:39 AM
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Originally Posted by Joseph Frost
Nice, but seems heavy as a brick! BTW, I'm curious, how do you measure RPM with the hand held meter? What read do you get when you point one agains it???
I'm deaperatly after "Dualsky -XM2203TY-24CR", for my microlight DC Pattern series, any one got one to get rid off ???, new or S/H, TX. jofro.
I managed to get 3, I was after (above), brilliant little power units I fly almost daily. Now I'm after a larger one to handle 6kg 3/D model, 2.5Kw+. Anyone with one for sale give me a yell. TX.

Tiny Dualsky Coax in KE action.

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