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03-29-2005 06:00 AM  13 years agoPost 1
CKJohnson

rrNovice

Reno, NV

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I've been reading here that everyone has problems with the stock motor. I flew my stock motor the whole summer (at least 1 flight / day, usually 3 or 4 on Sundays), and it's still going strong. I was considering what the reason could be. Here are my theories:

1. I ran the motor in by submerging it in a cup of water, and connecting it to 2 D-cell batteries. I let it run until the batteries were dead.

2. I got really lucky and got a good motor?

or

3. I fly in Europe. Maybe the climate difference has such an extreme effect?

Anyone else have any ideas?

Logo 20, Trex 450xl, Trex 450x

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03-29-2005 09:35 AM  13 years agoPost 2
Laurens

rrKey Veteran

Oegstgeest, NL

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3 isn't the solution, my motor was dead after 13 flights and I live in Europe too.

Edge rotorblades, Scorpion systems

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03-29-2005 09:33 PM  13 years agoPost 3
WingNutz

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Surrey , UK

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I had the same problem with the stock motor, about 12 flights and it died. I took it apart and found the brushes completely worn away, the design is prety basic.
I used a model car motor for a while before going brushless.

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03-29-2005 09:49 PM  13 years agoPost 4
darrens

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United Kingdom

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I would suggest the reason is no.2. The stock motor is brushed and therefore makes more heat and friction. More heat/friction wears the motor and brushes until it does not work...shorts or wears through the commutator.
What was the theory in the running in/water process??

He who dies with the most toys is the winner!

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03-29-2005 10:21 PM  13 years agoPost 5
HugeOne

rrKey Veteran

Quebec, Canada

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Running in water broke in the brushes, so the contact surface is better (more even) reducing heat and wearing. Running the motor at low voltage gently wear the brushes and the water remove risidue leaving a clean and reciprocating surface.

Raptor e620 w/V-bar, Tango 45-06, Phoenix 85HV, TrueRC 12S1P 4000mAh

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03-30-2005 04:58 AM  13 years agoPost 6
CKJohnson

rrNovice

Reno, NV

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The breaking in with water actually makes quite a difference. This is actually my second Eolo. My first one I didn't break in with water. My second Eolo had so much more power, and ran a lot smoother. I would definately recommend breaking in any brushed motor in that method. It allows the brushes to form better while the water keeps it cool, and washes away all of the material that is worn off. When you're finished with the water break in, the glass is full of metal "dust" at the bottom.

Logo 20, Trex 450xl, Trex 450x

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