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HomeScaleAircraftScale HeliScale Helicopter Main Discussion › Help Electric Conversion Century Bell 47
05-31-2012 01:10 AM  6 years agoPost 1



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I want to convert my Bell 47 to electric and since this is my first electric helicopter I wanted to get an idea what Helicopter World would recommened. Tech support recommend using a Scorpion HK 4020 890Kv motor and 100 Amp ESC on 6 cells. I'm using the stock gear and clutch setup that came with the helicopter and a 19 tooth pinion gear that comes with the Century electric conversion kit. I want to keep the head speed at around 1600 to 1700 rpm. Helicopter World's tech said that this was the combo to use. What do you guys think. Thanks Ken

06-04-2012 01:01 AM  6 years agoPost 2

rrElite Veteran

Golden Gulf Coast - USA

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Search for BellBloke's thread in the Electric conversion forum here at RunRyder. He has the perfect answers to your questions. Here you go.....

Cheers - Boyd
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06-04-2012 02:16 AM  6 years agoPost 3

rrElite Veteran

Palos Verdes, Ca. USA

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I agree with Boyd, Bellbloke has a great thread on this heli kit. I have an 800kv Kontronic motor in my R22 with the same mechs and set up, just different fuse. I'm shooting for a lower HS on 6S. I think Century was recommending a 1600 or lower rpm HS on these mechs in a scaler. At least that's what they had for the R22 kit, as it has a very tall mainshaft. This heli should fly butter smooth on lower HS, will get great flight times and sound/look so much more scale. Here's a link to the build.

All helis and planes have an expiration date stamped on only find it after you crash!!

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