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mCP X Blade Micro CPx Helicopters Information and Help


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Old 06-24-2013, 12:48 PM   #421 (permalink)
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Quote:
Originally Posted by jasond1979 View Post
Hi I was trying to do the clean part, it worked but as I was trying to put it back together I got sloppy and lost three of four of the little screws that hold the servo to the circuit board.

Does anyone know where I can purchase replacement screws? Also wats the best technique for putting it back together, did you use something to hold it while you were screwing it back together?

Thanks

Jason
I think I have some extras floating around. PM me your address and I'll send some to you.

Easiest way to put it back together is to lay it servo side down on a towel and lay the PC board on top of it. Line up the holes, gently press down on the board and then install one screw at a time. Use an old car stereo magnet to magnetize the tip of your screw driver to hold the screw on it.
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Old 06-24-2013, 01:36 PM   #422 (permalink)
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Thanks for the quick feedback. I will give you a PM
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Old 08-21-2013, 06:12 AM   #423 (permalink)
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I had a vib. that was bad bearings.. Not sure if that was mentioned, but I replaced/ eliminated everything else that would normally be the cause.
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Old 09-03-2013, 12:59 AM   #424 (permalink)
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Originally Posted by rbader1 View Post
After reading throughout this whole thread, here is what I've gathered on possible causes and fixes:

1) Servo pcb strips have dirt/carbon buildup. Clean using isopropyl alcohol or deoxit(cleans and lubes), deoxit gold(protects), deoxit f5fader(clean,lube, and protect for black carbon strip)

2) Use mCP X full canopy grommets on front aileron & pitch swash balls and half canopy grommets on rear elevator swash ball. Even on V2, replace the single o-rings on the front aileron & pitch swash balls...the single o-ring on rear elevator swash ball is okay

3) Main rotor hub dampeners are worn or not seated properly...replace

3) Feathering shaft is loose or bent...tighten or replace

4) Main shaft has up and down play...pop main gear back up

5) Main gear spun on main shaft...make sure flat spots aligned

6) Main shaft cracked...replace

7) Main shaft bearings worn...replace

8) Servo horns on pushrods...plastic holes connecting to swash balls are worn from crashes creating play in connection...replace pushrods

9) Servo retaining nuts on top of servos are loose...tighten by holding gear and turning nut at same time

11) Blade grip bearings...replace

12) Slop in blade grips...replace or use rubber band holding blade grips tight together or add shims

13) Blades unbalanced...balance using toothpick method and adding strips of tape to blade

14) Low headspeed - cycle batteries and cycle motor(brushes need to wear in shape of commutator)

15) Rebind 2-3 ft away, unplug battery, turn off Tx...then turn on Tx and then place mcp X on flat surface immediately after plugging in battery

Yep this sums it up -- lol
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Old 09-03-2013, 01:00 AM   #425 (permalink)
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I had a vib. that was bad bearings.. Not sure if that was mentioned, but I replaced/ eliminated everything else that would normally be the cause.

I assume mine has that, I had parts for all other things. Shaft bearings... but after 200 flights anything can happen.
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Old 09-03-2013, 02:56 AM   #426 (permalink)
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I notice a slight amount of slop in main shaft bearing after 5 flights, and no crashes, and I lubed the bearings too.

I think they might just be garbage! I got the Blade heli brand.. I wonder if other companies make them, or have a different supplier for them.
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Old 10-16-2013, 07:03 PM   #427 (permalink)
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Worked like a charm. The shakes had gotten to be continuous, so I cleaned one actuator and it almost went away. Then I cleaned the one on the other side and the shaking is completely gone now.

Roger
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Old 10-16-2013, 07:09 PM   #428 (permalink)
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Blade balancing: Most likely caused by hitting things with the blade tips. Clean up the damaged tip with sandpaper. Then sand the opposite tip to match. And do recheck the balance and re-sand as necessary to bring them back in balance.

Roger
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Old 10-23-2013, 10:07 PM   #429 (permalink)
 
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Mine shakes, but only when I bog the headspeed down. I can do plenty of 3D but if I bog down the headspeed, the heli will shake so bad the skids will vibrate off, and the canopy as well!
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Old 01-01-2014, 11:00 AM   #430 (permalink)
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Never underestimate the power of cleaning these linear servos! Mine had developed a severe case of the shakes. A few minutes with Deoxit and Deoxit Gold (in that order) did the trick. It's flying like a new bird.
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Old 03-10-2014, 08:25 PM   #431 (permalink)
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Finally got around to cleaning the old bird. Very smooth now. The Deoxit really makes short work of the cleaning process
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Old 03-22-2014, 12:13 AM   #432 (permalink)
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Finally got around to cleaning the old bird. Very smooth now. The Deoxit really makes short work of the cleaning process
Love Deoxit! My 2 birds are approaching 2 years old and have not once had to disassemble a servo for cleaning. The stuff is worth its weight in gold. Since then its saved me on many other electronic applications too.
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Old 06-26-2014, 07:22 PM   #433 (permalink)
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I just tried to fly my mcpx after about 2 years of not flying and the left servo jumps about and down rapidly by itself when I apply positive or negative pitch I'm not sure what would cause this any suggestions?
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Old 06-26-2014, 07:52 PM   #434 (permalink)
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I just tried to fly my mcpx after about 2 years of not flying and the left servo jumps about and down rapidly by itself when I apply positive or negative pitch I'm not sure what would cause this any suggestions?
Sounds like the servo needs cleaning. See the post immediately above yours re Deoxit. You can get it at radio shack.
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Old 06-26-2014, 08:02 PM   #435 (permalink)
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Default Re: Vibration or shakes? CHECK THIS!

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Originally Posted by mejmea View Post
Sounds like the servo needs cleaning. See the post immediately above yours re Deoxit. You can get it at radio shack.
OK sounds good I'll try that I have that stuff I just wanted to get some opinions thank u
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