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Blade mCPX › MCPX BL
02-19-2013 01:17 PM  5 years agoPost 121
Richardmid1

rrProfessor

Leeds, England

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Wedge, it maybe spinning round due to too much pitch, ive read people are reducing it from 100 to around 70.

60% of the time, it works every time!

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02-19-2013 02:07 PM  5 years agoPost 122
TurboRacer

rrVeteran

FL

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What size rod did you use? Is this one 2mm too? I need to get some.. Also, is the main shaft same as regular MCPX? I used to cut those too with my old MCPX, I think they were 3mm?

Wedge I'm surprised to hear of the blowout.. I am running full travel and I can pump it as fast as possible with no blowouts. I was flying in reverse yesterday directly in to a 20mph wind with zero blowout...

Might want to check the tail motor and rotor..

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02-19-2013 10:18 PM  5 years agoPost 123
Wedge77

rrVeteran

St. Charles Missouri USA

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thanks guys, Ill try setting pitch down a tad and see what that does first. the tail didnt blow out, it was there, but if i nailed the throttle/collective it would definately do a 180 on me.

JR NEX E8, 12 cell
Goblin 630, 12 cell
Vibe 50N Fbl
Century E640 Fbl, 12 Cell

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02-20-2013 12:25 AM  5 years agoPost 124
KevinB

rrKey Veteran

Saskatoon, Saskatchewan, Canada

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Well, my pitch is at 105 with no blowout at full climb and it launches like a rocket. 150 on the tail, 130 on the cyclic. 75 on the gyro gain.

TomC.......10mm ?? I extended it 35mm ! That leaves just enough slack with the stock wiring.
Total length of the replacement boom is 170mm. It is now 2.5mm solid rod ( the brushed mcpx is a 2mm tail ). I don't know about the mainshaft. I haven't broken that yet

The tail is covered with yellow heat shrink to hold the wires and give better visibility. When you add this, make sure the wiring is pulled down the left side of the boom. This is so when you get a boom strike, the main blades don't damage/cut the wires. I leave the tail fins off as I think they have a negative impact on tail performance. If you would rather keep it on, leave the last 1/2" of tailboom bare of heat shrink.

The tailrotor in the picture is an mcpx v2 tail rotor. Once I learned how to adjust the tail gain, I went back to the stock TR.

KevinB

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02-23-2013 08:53 PM  5 years agoPost 125
cdrking

rrElite Veteran

Seattle

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Well I have tested the Mcpx BL and it's a fun little heli for sure. I did however stuff it fairly hard into the gym floor and busted the tail boom, landing gear post on rear of landing gear was snapped off too, so I have to get a new set. The canopy is paper thin and it blew a hole in it, very brittle too. I can tape the canopy but will most likely get a new one.

I think with the power it has it won't be as durable as the Mcpx but it sure is a blast to fly. The power is excellent.

I now have 7 batteries so I'm set for some good flying.

Jeff

To hover is divine, the alternative is rather PLANE.

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02-24-2013 02:11 AM  5 years agoPost 126
Zaneman007

rrElite Veteran

Texas - USA

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McpX BL
Just got mine today. I got two flights in.

The tail wags, sometimes? Tried adjusting the gain in the radio via the gyro menu, but can't say that it helped?

I set the DR and expo per recommendation in manual. The expo was way to high, dropped it to 30 much better. I'll have to play with it to fine tune it.

Where is every one setting there DR?

Overall it flew well, the tail held, and it had the power to do what I threw at it.

I like it and give it four

Old Guys Rule!

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02-24-2013 02:34 AM  5 years agoPost 127
Taylor Myers

rrApprentice

vandalia ohio

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I run my dual rates at 125 with no expo and aleron and elevator at 115 rudder is 150 it rocks.

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02-24-2013 04:40 AM  5 years agoPost 128
Zaneman007

rrElite Veteran

Texas - USA

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Thanks
I'll turn them up, and lower the expo some more.

Old Guys Rule!

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02-24-2013 12:08 PM  5 years agoPost 129
Eleven_Bravo

rrVeteran

Salisbury,NC

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cdrking,

Look on epbuddy dot com they make para charge boards to help speed your charge time on your seven batteries hey get you a 130X its the same UMX connector on both. Now fly it till it dies

big red dodge,

I run mine maxed out on all three I still wish the rudder was faster.

Zaneman007,

I cant help with the tail wag except that mine isn't as bad after its first hard crash.

I run no D/R or expo at all I prefer the connected feeling to my helis. Expo makes them feel mushy and disconnected to my trained hands.

KevB,

That is a good idea with the shrink wrap. Cmon lets face it this heli is not exactly a beast at autos so set your T-hold pitch curve to give you zero pitch at all stick positions. It will save you some damage.

ENGAGE!!

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02-24-2013 01:16 PM  5 years agoPost 130
KevinB

rrKey Veteran

Saskatoon, Saskatchewan, Canada

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Hey Eleven_Bravo,

Thanks for the tip. I usually only get damage when flying in my basement (not a lot of room) or at an indoor when someone mid-airs me. In the basement there is so little time between hitting hold and impact, not much time for things to slow down.

I have always just left the hold pitch curve at default. Now that you mention it, I guess zero pitch would help not break pitch links and help the blades to fold easier on impact.

Thanks again,

KevinB

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03-03-2013 02:45 AM  5 years agoPost 131
J2 MARINE

rrNovice

cape coral fl

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where do you set that on the dx8. that sounds like a good move for all the small helis.

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03-03-2013 04:56 AM  5 years agoPost 132
Eleven_Bravo

rrVeteran

Salisbury,NC

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J2 MARINE,

Just go to your hold pitch curve and set all points to 50.

Scroll past N, 1, and 2 to the Hold position and set it there.

Im not 100% sure on the DX8 but it will not show up on your pitch menu unless you have it enabled in the system menu first.

I hope this answers your questions and thanks for your service.

ENGAGE!!

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03-09-2013 07:07 PM  5 years agoPost 133
Zaneman007

rrElite Veteran

Texas - USA

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Crash tested
Dumped the McpxBL into the gym floor. The tail snapped like a twig in a couple of places, but the canopy held. I have the inside of the canopy lined with thin strips of clear packing tape that is definitely the solution to this thin canopy. And other than loosing a rod (connecting the servo to the swash), the rest of it held together nicely.

I replaced the busted tail boom with a piece of solid carbon fiber rod, extending the tail boom out about 1/2 an inch in the process. I'm hoping to get rid of the wag. The stock tail boom, which is hollow, is just to fragile in my opinion.

I have decreased the expo to like 10 and it definitely feels more connected. The suggested setting in the instruction manual is out to lunch. I also increased the travel on the tail in an attempt to get the wag out. No, luck there. It still wags, on occasion.

I've only gotten in one flight since the crash due to wind, bad weather, and shipping.

So far I'm really liking this heli, can't wait to put some serious time on it.

Old Guys Rule!

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03-17-2013 11:08 AM  5 years agoPost 134
Reesy

rrKey Veteran

In the doghouse ... Nottingham UK

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Morning chaps
Well my box finally arrived amazed at how fragile these little fellas appear.

Anyway it came with four batteries so pretty chuffed with that but when I try charging I just get alternating green red lights so assume the charger is dodgy.

CBA to traipse all the way back for a replacement so can anyone point me to a para board which will work with my proper chargers?

Closest shops are midland and fast lad but I also use revolution on occasion

If I do a shop are there any spares worth stocking up on?

Many thanks for any suggestions

Paul

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03-17-2013 01:40 PM  5 years agoPost 135
TurboRacer

rrVeteran

FL

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Did you RTFM? Alternating lights means it's balancing.

I use a tenergy charger for all my stuff.. I do 6 UMX batts at once..

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03-17-2013 02:40 PM  5 years agoPost 136
Reesy

rrKey Veteran

In the doghouse ... Nottingham UK

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For 12 hours?

First pack I left on 6 hours, second pack I left on overnight and tried a 3rd pack this morning.
Nothing but the alternating flashy thing.

Just need a paraboard for 2S available in uk the one mentioned earlier in this thread seems to only be available over the pond

Paul

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03-17-2013 02:44 PM  5 years agoPost 137
jschenck

rrProfessor

La Vista, NE.

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search for this on the vendors website

Quantum Parallel 6x JST-PH

and get a couple of tail booms for this heli, they break easy. The canopy is fragile also, tape it up before your first big crash

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03-17-2013 03:32 PM  5 years agoPost 138
TurboRacer

rrVeteran

FL

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Ahh crap, ok it's broke ;D

If you want my stocker, just pay shipping and it's yours.. Let me know.

And for the tail booms - just get a length of 2.5mm solid rod and cut your own.. For like $5 I got enough to make a dozen booms.

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03-17-2013 03:51 PM  5 years agoPost 139
TomC

rrKey Veteran

Gold Coast, Queensland, Australia

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Once you go to a solid CF tail boom you are unlikely to ever break it imho.

Cheers,
TomC

Nqx,Mcpx-BL,300x,450x,500x,550x
Ion-x, 10s ,SS
TT X50E 10s, HC3-Sx

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03-17-2013 04:30 PM  5 years agoPost 140
KevinB

rrKey Veteran

Saskatoon, Saskatchewan, Canada

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+1 TomC. I have done a 100 ft tailslide right into the ground ...and didn't break it.

KevinB

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