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mCP X Blade Micro CPx Helicopters Information and Help |
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05-02-2012, 05:19 PM | #1 (permalink) |
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Join Date: Jan 2012
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Blown FET?
Does it look like this is a bad FET? I can't figure out why the tail won't hold on my V2. No matter what I do I can get it to hold like my V1. It's actually almost un-flyable. I've tried transmitter adjustment, new tail, extended boom. Also I noticed that it doesn't have any where near the amount of power that the V1 has either. Any thoughts?
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Helis: Goblin 630c \ Velocity 50 \ 450X Radio: DX-9 Sim: Phoenix RCHN Citizen 48 |
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05-02-2012, 05:26 PM | #2 (permalink) |
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Hi
Just for kicks. Look at the tail rotor blades. You will see one side has a very definite X
Across the blades,the other side No X. The X side must go towards the boom or it will not hold the tail. Da sorry I was just down on the 120SR forum. Ron
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Ron Petrolia Ontario Canada. Electric, MCPX-BL,450X, Trex 550E Nitro Hirobo SCEADU Evolution 50 |
05-02-2012, 05:47 PM | #3 (permalink) |
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Join Date: Jan 2012
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I don't have it with me at the moment but I know I put it on with the little "nub" towards the motor.
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Helis: Goblin 630c \ Velocity 50 \ 450X Radio: DX-9 Sim: Phoenix RCHN Citizen 48 |
05-02-2012, 06:31 PM | #4 (permalink) |
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Join Date: Sep 2006
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I just bought a V1 that wad a blown tail FET. The tail would spin at full power when the battery was pluged in. I don't think your problem is with the FET.
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05-02-2012, 08:41 PM | #5 (permalink) |
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Join Date: Jan 2012
Location: Palm Coast Florida
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Too much pitch can cause the tail to blow out super easy, if you have a programmable TX turn the travel adjust down till you can pitch pump it with out blow out.
A bad motor can cause the same thing, it will take too many amps and rob power from the tail motor. A bad tail motor can also cause the same symptom because it requires more power than what it should.
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T-Rex 250 450x 300x 180CFX MCPX-BL B400 130X MCPX 230S NANO-CPX NANO-CPS MSRX 120 SR MSR MCX IF IT CAN'T BE FIXED WITH DENTAL FLOSS, THEN IT CAN'T BE FIXED..LOL |
05-02-2012, 08:52 PM | #6 (permalink) |
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Join Date: Mar 2012
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I had the same problem on mine. Except I had not had any battery packs through it. The tail motor was bad from the factory. I changed it out and it has been trouble free since. Hope this helps!
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05-03-2012, 12:45 AM | #7 (permalink) |
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Join Date: Sep 2006
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Check your pitch,go with zero at half stick. I have only had tail blow outs if I punched the pitch and the battery was going low.
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05-03-2012, 02:22 AM | #8 (permalink) |
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Join Date: Apr 2012
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make sure that the battery lead is in good condition. If you bend the lead a lot or crash, strands can break within the cable, creating a bottleneck which leaves it with less power.
Last edited by Grumus; 05-03-2012 at 04:23 AM.. |
05-03-2012, 10:28 AM | #9 (permalink) |
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I think the main motor is bad because it's very "gutless". I turned the pitch down to the point where it barely comes off the ground and it still bogs down
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Helis: Goblin 630c \ Velocity 50 \ 450X Radio: DX-9 Sim: Phoenix RCHN Citizen 48 |
05-03-2012, 10:37 AM | #10 (permalink) |
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Join Date: Jan 2012
Location: Palm Coast Florida
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Worth trying a new motor then, even if that's not the problem you will eventually need a new motor any way, and changing it will at the very least eliminate that as a cause.
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T-Rex 250 450x 300x 180CFX MCPX-BL B400 130X MCPX 230S NANO-CPX NANO-CPS MSRX 120 SR MSR MCX IF IT CAN'T BE FIXED WITH DENTAL FLOSS, THEN IT CAN'T BE FIXED..LOL |
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