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Blade mCPX › Mcpx with 120sr tail motor and smoke?
11-21-2011 04:26 AM  6 years agoPost 1
aaron5902

rrNovice

michigan

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My tail boom broke on my 120sr so I decided to put it on my mcpx. Got the motor mounted on the mcpx and wires soldered correctly. When I went to test it out on non idle up mode the mcpx would cut out. I saw some smoke coming from the left servo and then the front two servos stopped working and were very hot. I got frustrated and left it alone for a couple hours. When I went down to find out what happened everything started to work again. I put the stock tail motor back on the mcpx and I ran a battery through it and flies just like it did before without any problems. Any idea what may of happened? Everything is stock with a Dx7 radio.

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11-21-2011 07:17 AM  6 years agoPost 2
rocket_33

rrElite Veteran

Mount Pleasant, Michigan USA

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Without it in hand, it is hard to diagnose. As far as running the 120SR motor with the MCPX, there is no problem at all. Perhaps there is some issue with your solder? When I mounted mine, I peeled the SR boom open like a bananna so I could remove the wire without having to cut and resolder a connector.

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11-21-2011 05:00 PM  6 years agoPost 3
bigben1165

rrKey Veteran

grand rapids, michigan

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did you have a problem with the heli being tail heavy?

big ben - e550 fbl - DX6

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11-21-2011 05:23 PM  6 years agoPost 4
rocket_33

rrElite Veteran

Mount Pleasant, Michigan USA

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Think I might have been asked me this in another thread before. It might be slightly tail heavy but don't notice it at all in flight. So yes in theory it may be tail heavy, but I don't notice it at all. And this is with and increased length tail boom.

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11-22-2011 12:00 AM  6 years agoPost 5
bigben1165

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grand rapids, michigan

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cool thanks. i think it was me that asked too! i have a crappy memory.

big ben - e550 fbl - DX6

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