Register Now

Heli.Maniac · 05-20-2012, 04:17 AM

Hello guys,

I am having a strange issue on my mCPX. Basically when I bought it in Christmas, I could flip it very good and at the end of the flip I could put some collective and catch it. But now, after ~450 flights - maybe more - It has started to have very little power. I have the pitch at around +-55 on ATVs and when I punch it I can hear the motor just bog down a little bit still. So when I flip it now and go to catch it, it just bogs real hard and almost touches the ground while the tail barely holds. I am very good at managing the collective and I can flip and roll my 450X all day long. Its a V1 and has original board and main motor, while I have gone through 4 tail motors. I have the extended boom if that matters. If anyone needs more info, I can provide it.

Thanks,
Andrew

UKHeliBob · 05-20-2012, 04:29 AM

Time for a new main motor or batteries or both by the sound of it, or the power lead connections (either end) have frayed.

lovespicyfood · 05-20-2012, 12:26 PM

I just started throwing out my batteries. I had almost twenty of them at one time but just recently noticed some of them losing significant power early on after being charged . I thought it was my motor at first, but having two MCPXs, I could compare the same batteries as a reference.

I had two good batteries this morning and the difference is huge. So much fun zooming through the neighborhood!

I am thinking of getting Hyperions, but I have bad luck with the, in other sizes before. They seem universally liked in this size for the MCPx.

Pete

everydayflyer · 05-20-2012, 01:05 PM

Batteries make a huge difference and I am seriously condsidering naming mine LiPo Killer. I have never flown anythig before that is so hard on LiPolys. I have tried like six different brands and they all start to lose puch after 20 to 30 flights,some even sooner..

The fact you have 450 flights on a original brushed motor really surprises me I had no idea they could last that long.

tommy217xxx · 05-20-2012, 01:38 PM

If u want power I would switch over to a BL setup. Theres tons of power there.

Heli.Maniac · 05-20-2012, 03:43 PM

Thank you all. I too cant believe the motor has lasted that long cause I had past experience with blade helis and I used to go through them a lot. Thats why now its the first thing I am going to change. I will get some batteries too, i have 2 Thunder Power ones that have 100 flights each along with 2 stocks and a Turnigy, but I always charged them at 5C so I cant really complain. On the BL, I would do it now, if the motor on the 450X wasn't going out and I need the founds for a Scorpion one.Maybe another time. Also with the BL flying and flipping in my house becomes a little scary and damage costs a little more.

everydayflyer · 05-23-2012, 07:23 AM

Yestersday morning at the field I thought my mCPX was acting a bit strange and then last evening at home it started to lose power very early in the flight. I tried 3 different known to be good batteies and had the same low power,changing head speed etc. with all of them. I replaced the motor last night and two test flights this morning and all seems fine now.

My mCPX V2 motor had 189 flights on it of just over 4 minutes each. I do not fly 3D just FFF , figure eights,circuits and back flips. I have had mine for just over 5 weeks and have many post trying to find out how long main and tail motors last and there seems to be a lot of difference between flyers. Logicly the harder you fly the faster they woukld wear out but then it also depends on the number and severity of crash how well it is maintained etc. There is also very often a great deal of difference in the quailty of brushed motors ,even ones that are suppose to be the same.

Charles

Lord Nelson · 05-23-2012, 09:44 AM

I replaced the first motor at 265 flights and I am just going to replace it again at 283. Yesterday, the motor was so tired, the poor little bird could barely climb. It sort of creeps up on you. You don't notice the heli is getting tired until one day, it just sort of falls to the grass and, of course, you think its a dud battery. But it ends up being a tired motor. Once you put a new motor in, you wished you had done it earlier.

I think 200 to 250 flights is pretty good for a motor. Better than the mSRX, that is for sure.

05-20-2012, 04:17 AM	#1 (permalink)
Heli.Maniac Registered Users My HF Map location Join Date: Mar 2011	My mCPX has lost its power.... Hello guys, I am having a strange issue on my mCPX. Basically when I bought it in Christmas, I could flip it very good and at the end of the flip I could put some collective and catch it. But now, after ~450 flights - maybe more - It has started to have very little power. I have the pitch at around +-55 on ATVs and when I punch it I can hear the motor just bog down a little bit still. So when I flip it now and go to catch it, it just bogs real hard and almost touches the ground while the tail barely holds. I am very good at managing the collective and I can flip and roll my 450X all day long. Its a V1 and has original board and main motor, while I have gone through 4 tail motors. I have the extended boom if that matters. If anyone needs more info, I can provide it. Thanks, Andrew __________________ Andreas M. Compass 7HVU Logo 600SX V2 Blade 450X

05-20-2012, 01:38 PM	#5 (permalink)
tommy217xxx Registered Users Join Date: Mar 2011	If u want power I would switch over to a BL setup. Theres tons of power there. __________________ MCPX BL(#1 V1 Hp05s/120SR tail, V1 C05m/Dual coreless tail) Nano cpx stock Trex 450 Pro, Spektrum Dx6i, Phoenix

05-20-2012, 03:43 PM	#6 (permalink)
Heli.Maniac Registered Users Thread Starter My HF Map location Join Date: Mar 2011	Thank you all. I too cant believe the motor has lasted that long cause I had past experience with blade helis and I used to go through them a lot. Thats why now its the first thing I am going to change. I will get some batteries too, i have 2 Thunder Power ones that have 100 flights each along with 2 stocks and a Turnigy, but I always charged them at 5C so I cant really complain. On the BL, I would do it now, if the motor on the 450X wasn't going out and I need the founds for a Scorpion one.Maybe another time. Also with the BL flying and flipping in my house becomes a little scary and damage costs a little more. __________________ Andreas M. Compass 7HVU Logo 600SX V2 Blade 450X

Thread Tools
Show Printable Version Email this Page
Display Modes
Linear Mode Switch to Hybrid Mode Switch to Threaded Mode

05-20-2012, 04:29 AM	#2 (permalink)
UKHeliBob Registered Users My HF Map location Join Date: Aug 2011	Time for a new main motor or batteries or both by the sound of it, or the power lead connections (either end) have frayed.

05-20-2012, 12:26 PM	#3 (permalink)
lovespicyfood Registered Users Join Date: Dec 2006	I just started throwing out my batteries. I had almost twenty of them at one time but just recently noticed some of them losing significant power early on after being charged . I thought it was my motor at first, but having two MCPXs, I could compare the same batteries as a reference. I had two good batteries this morning and the difference is huge. So much fun zooming through the neighborhood! I am thinking of getting Hyperions, but I have bad luck with the, in other sizes before. They seem universally liked in this size for the MCPx. Pete

05-20-2012, 01:05 PM	#4 (permalink)
everydayflyer Registered Users Join Date: May 2009	Batteries make a huge difference and I am seriously condsidering naming mine LiPo Killer. I have never flown anythig before that is so hard on LiPolys. I have tried like six different brands and they all start to lose puch after 20 to 30 flights,some even sooner.. The fact you have 450 flights on a original brushed motor really surprises me I had no idea they could last that long.

05-23-2012, 07:23 AM	#7 (permalink)
everydayflyer Registered Users Join Date: May 2009	Yestersday morning at the field I thought my mCPX was acting a bit strange and then last evening at home it started to lose power very early in the flight. I tried 3 different known to be good batteies and had the same low power,changing head speed etc. with all of them. I replaced the motor last night and two test flights this morning and all seems fine now. My mCPX V2 motor had 189 flights on it of just over 4 minutes each. I do not fly 3D just FFF , figure eights,circuits and back flips. I have had mine for just over 5 weeks and have many post trying to find out how long main and tail motors last and there seems to be a lot of difference between flyers. Logicly the harder you fly the faster they woukld wear out but then it also depends on the number and severity of crash how well it is maintained etc. There is also very often a great deal of difference in the quailty of brushed motors ,even ones that are suppose to be the same. Charles

05-23-2012, 09:44 AM	#8 (permalink)
Lord Nelson Registered Users Join Date: Feb 2011	I replaced the first motor at 265 flights and I am just going to replace it again at 283. Yesterday, the motor was so tired, the poor little bird could barely climb. It sort of creeps up on you. You don't notice the heli is getting tired until one day, it just sort of falls to the grass and, of course, you think its a dud battery. But it ends up being a tired motor. Once you put a new motor in, you wished you had done it earlier. I think 200 to 250 flights is pretty good for a motor. Better than the mSRX, that is for sure.

Register Now

Log-in