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Brushless Motor Durability

Old 02-03-2009, 07:46 PM
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asmo
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Default Brushless Motor Durability

Hello,
I am putting away my electric cars and thinking about electric flight. I have never used brushless motors. I am accustomed to replacing brushes, springs, and the occasional cleaning of the armature. Can anyone tell me about how many runs can be had from a brushless motor before it has to be replaced? I know there are many factors that go into this but I am looking at averages. What about routine maintenance? I had to replace broken brush springs all the time on my brushed motors. Any help would be appreciated. From what I have read brushless motors are 20 to 40 percent more efficient than brushed motors but how much longer do they last? Thanks.
Old 02-03-2009, 07:53 PM
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pilotpete2
 
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Default RE: Brushless Motor Durability

With brushless motors the only wear item is the bearings, I have a cheapy Essky 400XT on a Slow Stick, I have flown it countless hours over four years and it's like new.
Now, just like your brushed motors you can cook the windings and/or damaged the magnets by overamping.
Once you go brushless, you'll never look back[8D]
Good luck,
Pete
Old 02-03-2009, 08:35 PM
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asmo
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Default RE: Brushless Motor Durability

Thanks for the help. I kind of figured that would be the case. After I get rid of a few cedar trees on my property, I'll have about 4 acres of open area to fly. I'll probably start with a 3 channel plane......something slow.
Old 02-03-2009, 08:57 PM
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Dr Kiwi
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Default RE: Brushless Motor Durability

SlowStick or Easy Star??
Old 02-03-2009, 09:01 PM
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asmo
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Default RE: Brushless Motor Durability

Maybe. I am still researching. The saga continues..........................

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