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Old Dec 11, 2012, 07:20 PM
pablo pinto's Avatar
United States, FL, Miami
Joined Jan 2011
51 Posts
Hacker motor

Hi, I receive a Hacker brushless motor B40 11S + MAXON 4,4:1 Keramik but i donīt know nothing about motors with gearboxes and i would like to know what size of propeller i can use and for what Weight of glider i can used , can any body help me please ?
Here is the link of the motor http://www.hacker-motor-shop.com/e-v...&c=2098&p=2098

Thank you for your information.
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Old Dec 12, 2012, 07:06 PM
Gasbags & Gussets
jswain's Avatar
Riverside, Ca
Joined Feb 2009
1,251 Posts

This web link may help


best wishes, js
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Old Dec 14, 2012, 06:34 AM
Supersonic Engineering
GordonTarling's Avatar
UK, Greater London, Uxbridge
Joined Mar 2001
3,177 Posts
The motor is rated at 500 Watts for 15 seconds - quite enough to take a 2 to 3 pound glider to a decent height at a decent lick. You'll need to run it on a 3S Lipo pack and it'll be drawing up to 40 Amps, so you need a 50 to 60 Amp ESC for it. In a glider, a folding prop around 11 x 8 would be a good starting point, but check current and motor heating during a short run.
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