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Mikado Modellhubschrauber . GrandRC . CanoMod

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e-E-Flite Blade CP mCX CX 400-3D > crash problems
 
 
hghlndr85
Senior Heliman
Location: northeast, PA

ok i kinda took a little push from a gust of wind into the garage. um i sheard of my pin in the head i ned a new one ne one kno where they have them in stock? or can u use something else? adn my tail is dead, my 4 in1 doesnt blink red or nething but i get nothing from the tail motor u think is a dead motor or sometihng else? please let me know asap as i have to order parts!!!thanks
08-26-2005 Over year old.
 
 
stealth916
Veteran
Location: Rocklin, CA

Hook the main motor up to the tail motor channel, and see if it spins when you throttle up and give rudder action.

Also - if you sheared that pin, you probably have a bent flybar - and I'd bet a bent mainshaft too...

Does the 4-in-1 arm and the light go green? Does the main motor still work?

Happy landings...
08-26-2005 Over year old.
 
 
hghlndr85
Senior Heliman
Location: northeast, PA

yeah main motor still works, the flybar doesnt look bent but ill check it what can i use to temp fix the shear pin since no one has them in stock? adn what u mean by the whole hooking the tail motor up to the main motor ?
08-26-2005 Over year old.
 
 
bell1684
Senior Heliman
Location: North Kingstown, RI USA

As far as the shear pin goes, you can try sticking a paper clip or a small nail of relatively the same size in the hole as a temporary fix... ive actually used a small drill bit as a replacement.

Ive also read of someone using a safety pin with good success.
08-26-2005 Over year old.
 
 
stealth916
Veteran
Location: Rocklin, CA

You asked if we thought it was the tail motor or something else - so I assume you are not sure,

So:

Step 1 - unplug the tail motor connector from the 4-in-1
Step 2 - unplug the main motor from the 4-in-1
Step 3 - PLUG the main motor into the channel for the tail motor on thr 4-in-1

Step 4 - power up the transmitter
Step 5 - power up the heli and let the ESC arm
Step 6 - give a little throttle and some right rudder - does the main motor (which is now acting like a tail motor) start to spin?

This will tell you if the tail motor or wiring is bad, or if the ESC for the tail motor is fried.

Use a paper clip for the shear pin.

You will not be able to see if your flybar is bent, unless you take it apart and roll it on a flat - hard surface - like glass.

You should be able to tell if your main shaft is bent by rotating the head by hand, and seeing if the swash wobbles. The swash should not move when the main shaft spins. If required, take your main rotor blades off, and apply a little throttle, and watch the head to see if it wobbles...
08-26-2005 Over year old.
 
 
hghlndr85
Senior Heliman
Location: northeast, PA

ok i did the mmain motor in tail rotor channel and it works this mean my tail motor i shot? sashplate is fine doesnt wobble or netihng
08-27-2005 Over year old.
 
 
stealth916
Veteran
Location: Rocklin, CA

Sounds like only your tail motor or wiring is fried out. That should be a relief :-) $8 is better than $80

If you have a continuity meter - (ohm meter) - you can check the wiring easy enough. To check the tail motor - just try hooking up a small 9v battery to the tail motor terminals. If that works - hook the battery up to the tail motor wires to check the wiring too.

Good luck!
08-27-2005 Over year old.
 
 
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e-E-Flite Blade CP mCX CX 400-3D > crash problems
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