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Author Topic: Gas to electric  (Read 196 times)
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Skymon
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« on: July 09, 2019, 10:43:19 AM »

I am not sure if this is the right section of the forum, but I have been given a Ben Buckle Pirate and I'd rather not install a gas engine in it.

I'd prefer a nice clean electric motor with timer, so I can have some quiet, controlled free flights.
I'll probably mock up a diesel engine replica to stick up front so it looks nice and period.
But the lack of noise, smell and mess appeals to me more than a diesel.

Does anyone have any recommendations for a motor, battery and timer?

The kit recommends a 0.5 to 1cc, something like a 0.75cc Mills

Best regards and happy flying

Skymon
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Ralph B
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« Reply #1 on: July 10, 2019, 09:09:14 AM »

Skymon:

The Pirate with a 34 inch span is close to the size of an E36 model but you probably don't want that level of performance. I recently converted a BMJR kit of the Jetco Streak to electric power. It has a span of 32 inches with a wing area of 170 sq. in. I chose to power it with a Cobra 2203/34 motor. That is one step below the popular Cobra 2203/28 that is widely used in E36. The rest of the set up consists of a Nano-Tech 260 MAH battery, Gemfan 5 X 4 prop and a prototype E36 timer from Bob Selman. Any E36 timer would work for your conversion. My model weighs 138 grams ready to fly and I'm very pleased with it's performance. The prop in the photo is not used for flying since it's vintage. The spinner does not come with the motor. That is something I machined.

Ralph
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cvasecuk
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« Reply #2 on: July 10, 2019, 10:41:52 AM »

I suggest you fit a CF2805 motor from Dens and use one of his EFF 4 timers, then with a 7 x 4 prop fitted adjust the power so that it runs at about 6000rpm and you won't go far wrong.
Ron
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Skymon
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« Reply #3 on: July 11, 2019, 04:00:54 AM »

Whooaaah!!
Ron, what have you done?
I've never even heard of Dens, now I'm hovering over the electric C/L buy it now button...
This could be an expensive thread.

Electric C/L, so cool!!!



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cvasecuk
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« Reply #4 on: July 11, 2019, 05:37:24 AM »

Yes, it's very tempting isn't it. So far I've managed to resist but.......
Ron
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