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120 SR Blade (eFlite) 120 SR Helicopters Information and Help


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Old 07-20-2017, 04:33 PM   #1 (permalink)
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Join Date: Jul 2017
Location: Australia
Default Main rotor won't spin

Hi folks,
A newbie here. My second hand Blade 120sr had a minor crash. Since then the main rotor won't spin. It rotates freely. The motor works fine (when I plug power into it directly). The servos and tail rotor work fine. But the main rotor does nothing and all wires seem intact. I am mystified as to how to repair it. Any suggestions would be great.

Greg
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Old 10-04-2017, 11:28 AM   #2 (permalink)
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I just had the same problem - one of the motor wires was broken but the silicone on the 5 in 1 board made it feel still connected - checking with an ohm meter showed the wire was broken. I had to re-solder and all is well.

Be careful of the SMD (surface mounted devices) components
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Old 10-07-2017, 07:21 PM   #3 (permalink)
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Hello Greg
Check that the motor is plugged in. The plugs can work there way out.

Make sure the throttle trim is all the way down on your transmitter.
It can get bumped up a bit and the safety won't let the motor power up.

Ron
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Petrolia Ontario Canada.
Electric, MCPX-BL,450X, Trex 550E Nitro Hirobo SCEADU Evolution 50
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