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Motor mounting and cooling

Old 02-19-2014, 02:48 PM
  #1  
Beemerider
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Default Motor mounting and cooling

I'm preparing to mount an inrunner in a new sailplane. The plane is a Seagull 2000 and the motor is a Turnigy Gliderdrive motor:

http://www.horizonhobby.com/products/SEA130

http://www.hobbyking.com/hobbyking/s...nigy%20gliderd

Also installing a 50 amp esc. There are currently no cooling vents in the fuselage and I'm wondering the best way to go about allowing for proper cooling. The fuse is built up balsa. The motor will be inside the nose.

Any input will be most welcome.
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Old 02-19-2014, 03:14 PM
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Leadchucker
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Flying it as a sailplane,i.e: climb and glide, you won't need any vents. Motor runs are short and minimal heating will occur. Hotliner style flying you would want some cooling. I'm running 800+ watt jobs with no vents and it's not a problem.
The motor is not an inrunner BTW, it's a outrunner in a case like the MVVS sailplane motors, they call it a inrunner/outrunner. I have three of the MVVS motors and while a tick heavy they are nice for tight nose applications with the motor wire connections mounted on the rear casing. No wires to pack away under the motor and get wrapped up in the spinning rotor casing.
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Old 02-19-2014, 04:02 PM
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riverrat
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Default MVVS

Originally Posted by Leadchucker View Post
The motor is not an inrunner BTW, it's a outrunner in a case like the MVVS sailplane motors, they call it a inrunner/outrunner. I have three of the MVVS motors and while a tick heavy they are nice for tight nose applications with the motor wire connections mounted on the rear casing. No wires to pack away under the motor and get wrapped up in the spinning rotor casing.
Mr. Leadchucker

Can you link a US vender that can supply these motors??

Regards
Jimmy
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Old 02-19-2014, 05:15 PM
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Leadchucker
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Here ya go mate:
http://www.espritmodel.com/mvvs-sail...ss-motors.aspx
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Old 02-20-2014, 12:02 AM
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Default MVVS

Originally Posted by Leadchucker View Post
Thanks from one Curmudgeon to another Curmudgeon!!!

Regards
Jimmy
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Old 02-20-2014, 03:11 AM
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kyleservicetech
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Originally Posted by riverrat View Post
Thanks from one Curmudgeon to another Curmudgeon!!!

Regards
Jimmy
Another option. It looks like these motors have an external rotating bell though. For sailplane use, that can be an issue with close quarters in these type models.

http://www.espritmodel.com/hyperion-...ss-motors.aspx
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Old 02-20-2014, 03:23 AM
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I hadn't seen those. I had looked at the MVVS motors. As with nearly every other product HobbyKing has seemingly copied those motors. I decided to try one. I mounted it in the nose of my plane this afternoon. I like the way the power connections are placed on the aft end of the housing.

I have yet to install the servos and rx, probably tomorrow. Looking forward to a nice calm afternoon to maiden this glider.

Wayne
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