Brushless motor cleaning !!!!!

[Albert M]

Decided to take apart my used brushless motor I purchased a Leopard 4065 2700KV and found lots of rust ! Will this motor function normally if it is cleaned out , seems to have a bit of pitting also from the rust .

Thanks Albert M

[Alexgar]

Ouch seen worse soak in dw40 and flush with the same not perfect but wouldn't test on a pricey esc but is had one I purchasedlike that work just fine

[Albert M]

We'll as I was bench testing my rigger and fine tuning the throttle end point adjustments the Esc burned out bad ! Could this rusty brushless motor be at fault for my Esc burning out

[ray schrauwen]

You can take WD40 and a toothbrush to the inside then rinse out. Lastly I would add a blast of corrosion block it will soak right in. If the inside is rusty, the boat it was in ran wet or got a good soaking at least once meaning the bearing will need cleaning too and possible replacement.

I check them by sticking the long part of the rotor shaft into the front and rear bearing and spin by hand to listen and feel for roughness and or clicking.

[ray schrauwen]

Yes, possibly. Was it new before you tried the motor?

We'll as I was bench testing my rigger and fine tuning the throttle end point adjustments the Esc burned out bad ! Could this rusty brushless motor be at fault for my Esc burning out

[Alexgar]

Always good to have a 10$ hobbyking esc around to use a a test esc figured this out early in my brushless leanrning curb after burning up a MGM compro esc on q bad motor

[Alexgar]

Btw looks like a fine design motor as he markets the gold leopards

[Albert M]

No it was used also maybe the previous owner dunked the boat a couple of times and never cleaned it after , thanks for the tips guys I will clean it up then shortly after order my new Esc ..

[Albert M]

Yes it is Alexgar

[Alexgar]

I'll donate a cheap hobbyking esc to you so this won't happen again pm you addy to me

[Alexgar]

Albert I received your pm ant the esc is a cheap heli esc I use one for testing it is.waterproof and water cooled but to be treated as a tester as for.the hydra 120 I have one and its worked ok but would look into a t180 or at minimum a swordfish 120. Castles have been hit or miss on the quality of the.hydras could have been the motor or the esc.in the future use a programming card to tweak your escs.it doesn't create as much heat

[Albert M]

Yes that's my plans to test the motor and servo if its works correctly , and I was looking into the T180 just hope its not much bigger than the 120 hydra my space is limited . Any good suggestion on where to purchase the T180 ?

Thanks Albert M

[Alexgar]

They are for sale a lot of places but they are huge and the wires coming out of the top make them bigger. Might loook into swordfish 200 amp

[Albert M]

Thinking about it I may just have enough room in front of the tub right on the carbon fiber boom. Would have to run the water line a bit longer tho .

[Fella1340]

Try the swordfish 220pro plus 2-6s and has data logging for $130 here on OSE. I picked up two of them though have yet to test. I haven't heard anything bad about them so this is good.

[flraptor07]

Best $60.00 I've spent in a while, no more burnt up ESCs http://www.hobbypartz.com/26p-motorc...FW1nOgodGx8ATA

[Albert M]

After cleaning the motor with Pb blast and denature alcohol it cleaned up pretty good bearing feel pretty smooth ! Servo and receiver are in working order only the Esc burned out .....

[motorfixer1]

You could take an Ohm meter and check the resistance across all three leads. 1-2, 1-3, 2-3. They should be even and low resistance. Then check between each lead and the case of the motor to check the insulation. An ohm meter is not as good as a megger but it's better than nothing. It is bothersome that your esc went poof.