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Blade mCPS Blade mCPS Helicopters Information and Help


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Old 11-10-2018, 04:46 PM   #1 (permalink)
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Join Date: Nov 2018
Default Rebuild, Flight Issues

Hello! First time posting...
I recently rebuilt my Blade mCPS, replacing the main frame and upgrading to the “long boom”. After reassembly, leveling the swash (using 3D printed tool), and setting zero pitch... etc... the heli will not go airborne. Heli flew perfectly before rebuild. Nothing has been modified that would affect COG. Everything behaves as it should. Ie. No signs of wrong servo port, reversed channels... etc.

Here’s what happens:
-Insert included EFlite battery
-Turn on transmitter
-Plug in battery and let heli configure on level surface
-Flight mode 0 (“fixed pitch mode”) throttle stick at bottom
-increase throttle, blades spin in correct direction
-heli begins to tip forward while on skids to about a 45deg angle
-more throttle = forward drag while at 45deg angle
-heli never leaves ground completely unless right stick is all the way back. But heli fights this input and returns to 45deg within seconds.

I can see the rear (ELE?) servo physically pushing the swash plate “up” from the rear. Adjusting transmitter (DXe) trim to try to compensate only does so much. Pulling right stick down all of the way also only does so much.

I own a 130S and a 230S, both have instructions on how to calibrate the heli AFTER a trim flight, should the trim flight now cure drift. This calibration procedure I’m referring to is where the heli sits idle for 2-3min while it does its thing. I’m assuming it’s telling itself “this value now equals level”?
Does the mCPS have a similar procedure? I do not see it in the manual.

If not, what should be my next strategy? Adjusting rear servo pushrod even if it affects swash levelness?

Any suggestions are appreciated. Thank you!!
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