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Old Oct 14, 2005, 03:21 PM
Tim H.'s Avatar
USA, TX, Fort Worth
Joined Nov 2001
4,445 Posts
Has Anybody Tried the Ultrafly B/06/15?

Hey guys,

I just picked up an Ultrafly B/06/15. Has anyone used one of these on a pusher jet? Just wondering what prop, batteries, etc. I'd like to hear anyone's experiences with this motor.

Here are the specs:

KV: 1450
Motor Length: 1.6 in (41 mm)
Motor Diameter: 1.28 in (32.5 mm)
Shaft Length: 0.45 in (11.5 mm)
Shaft Diameter: 0.125 in (3.17 mm)
Motor Weight: 1.47 oz (42 g)
Maximum Input Power: 180 watt

Looks promissing on a smaller pusher jet. Anyone have the Motocalc specs for this motor?
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Old Oct 19, 2011, 11:27 PM
Registered User
Joined Jan 2011
5 Posts
Hey Tim. I put one of these motors on a funjet. It flys well with a 7 by 5 prop, however not very fast. I am thinking of putting this motor on a 3d foam plane.
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Old Oct 22, 2011, 08:10 AM
osmium_192's Avatar
Perth, Australia
Joined Sep 2005
802 Posts
I have the B/06/10 on my 3D planes.

Magnet spacing is decently tight, build is solid, and overall not bad, except the bearings are going after some mild use, probably a hundred or so flights to date each. Im guessing its more to do with the balancing of large 3D props, but I'm not sure. Its also about 5 years old now on my plane.

I haven't bothered to change the bearings, but I'm pretty impressed by the motor. Zero experience with pushers though.
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