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Blade mCPX › SR120 tail
09-20-2011 07:21 PM  6 years agoPost 1
Mitchilito

rrVeteran

Morehead City, NC​USA

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Let me just go on record right now and admit what a total idiot I am. I waited MONTHS too long to put the SR120 tail motor on my brushless MCPX.

I now have the machine I always dreamed of - ROCK SOLID tail unlike any other motor tail I've ever flown. I didn't realize how much crashing I was doing because of the tail letting go.

Yep, I'm an idiot. But a happy idiot!

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09-20-2011 09:20 PM  6 years agoPost 2
Justin Stuart (RIP)

rrMaster

Plano, Texas

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I have a mCPx and I have a 120 tail in the package. What's the best way to combine the two?

Avant RC
Scorpion Power Systems
Thunder Power RC
Kontronik Drives

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09-21-2011 08:40 AM  6 years agoPost 3
Charlie

rrVeteran

New Brunswick,​Canada

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Yeah, I wouldn't mind knowing a little more about this setup. Is it plug and play, what exactly did you use, the whole tail and boom assembly with the blade or just the motor? Can you give us a little more info?

.

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09-21-2011 12:01 PM  6 years agoPost 4
Mitchilito

rrVeteran

Morehead City, NC​USA

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I bought the boom/motor/prop package from Horizon. First I removed the heavy wires out of the 120 boom. Then I cut the big tail boom off the motor/mount to leave the stub in the mount. Then I drilled it out to fit the smaller MCPX size boom - of which I use a solid rod and wrap the finer MCPX size wires around the outside.

This setup yields a fairly tail heavy setup because the 120 motor is HUGE but it doesn't seem to matter much - it flys fantastic.

BTW, I thought the giant 120 size prop was overkill so I trimmed about 3/16 off each end and noticed no difference in flight qualities. It's still huge.

The 120 motor really is overkill. Too bad there's not an intermediate size motor out there that would be a little lighter.

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09-26-2011 03:53 PM  6 years agoPost 5
minh88888

rrApprentice

NE Heli Crews

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SR 120 tail push the heli yaw to right​direction

HI GUys,
Now that I have the SR120 tail motor on my MCPX. I work great and hold great but it is only hold on the first 30 seconds of flight time. It seemed to over power tail and it push the heli nose yaw to the right direction. I tried to corrected it by moving my throtle stick to the left then the heli will stay for a few second then the tail push my heli nose yaw to the right again ???and if you are not try to correct it . it will continue push the nose yaw to the right in full circle. Everytime that the tail move . it push about 45 degree. Does anybody have this problem before when they upgrade to the SR120 tail motor and how did you correct it ? thanks-MIke
PS : how did you set up for your Rudder gain. My DX7 have +25 EXPO and 100 RUDD.

NE Heli Crews.

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09-26-2011 04:20 PM  6 years agoPost 6
Justin Stuart (RIP)

rrMaster

Plano, Texas

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Does the 120 connector plug into the mCPx board without issue?

Avant RC
Scorpion Power Systems
Thunder Power RC
Kontronik Drives

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09-26-2011 04:55 PM  6 years agoPost 7
minh88888

rrApprentice

NE Heli Crews

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mpcx tail

No, I did the tail boom Mod , so wire was already there. THe tail blow to the right direction. It just keep pushing away as suppose to stay at same place.

NE Heli Crews.

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09-26-2011 05:26 PM  6 years agoPost 8
bigben1165

rrKey Veteran

grand rapids,​michigan

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sounds like an awesome upgrade!

big ben - e550 fbl - DX6

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09-26-2011 07:18 PM  6 years agoPost 9
minh88888

rrApprentice

NE Heli Crews

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sr120 tail

Yep,
tell me about it but most people said it suppose to be good ???? @bigben. DId you do this upgrade too when you go BL ? TX-MIke

NE Heli Crews.

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09-27-2011 11:37 AM  6 years agoPost 10
Mitchilito

rrVeteran

Morehead City, NC​USA

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MiniH888,

Since I installed my SR120 motor it has worked flawlessly. One time it did twitch but it was because I initialized with a low battery. New battery - no twitch.

I set my rudder travel to 150% with no expo.

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09-27-2011 01:44 PM  6 years agoPost 11
minh88888

rrApprentice

NE Heli Crews

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sr120 tail

Hi Mitchilito,
THanks your your advice, I did not try that set up . Maybe that set up would help. will try it tonight and let yo know. tx

NE Heli Crews.

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09-29-2011 06:31 PM  6 years agoPost 12
minh88888

rrApprentice

NE Heli Crews

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sr tail kicking

Guys,
Just another Fyi why this 120 SR tail MOd is kicking. It is the main shaft and main gear problem. After many crashes , your main gear is wobble but you can't see it. it seemed fine but it will wobble at a high speed. as a result it messed up your tail gyros. replace your main gear and if you see your main shaft bottom chewed up . you might as well replace it. my tail work beautiful after that replacement.

NE Heli Crews.

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09-30-2011 04:12 AM  6 years agoPost 13
bigben1165

rrKey Veteran

grand rapids,​michigan

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minh - i have not yet replaced with the 120 tail, but i will. i need to replace the bl motor first, it fell apart.

big ben - e550 fbl - DX6

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09-30-2011 08:20 PM  6 years agoPost 14
Mitchilito

rrVeteran

Morehead City, NC​USA

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What kind of motor was it Big Ben?

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09-30-2011 11:45 PM  6 years agoPost 15
bigben1165

rrKey Veteran

grand rapids,​michigan

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it was the little outrunner from wow hobbies. the shorter one with a red mount. dont know the name, the 05?

big ben - e550 fbl - DX6

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10-01-2011 12:53 AM  6 years agoPost 16
Mitchilito

rrVeteran

Morehead City, NC​USA

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My little HeliMax inrunner has about an hour on it - still going strong. It gets pretty hot after a good thrashing though. We'll see how long it lasts.

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10-01-2011 02:36 AM  6 years agoPost 17
bigben1165

rrKey Veteran

grand rapids,​michigan

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can you give me a part # for which h-max bl motor ur using? are u using the speedo and steve chip from wow? whats ur set up? (hardware)

big ben - e550 fbl - DX6

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10-01-2011 12:51 PM  6 years agoPost 18
Mitchilito

rrVeteran

Morehead City, NC​USA

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Here's the motor I'm using except with a 9t pinion:

http://www.wowhobbies.com/salehm-43...or4343a43b.aspx

But I think I'm going to try the HP05 (when it's back in stock):

http://www.wowhobbies.com/turboace8...ra4g6-2--3.aspx

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10-01-2011 02:34 PM  6 years agoPost 19
bigben1165

rrKey Veteran

grand rapids,​michigan

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cool thanks. the hp05 is the one that i have coming also.

big ben - e550 fbl - DX6

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10-01-2011 05:41 PM  6 years agoPost 20
Mitchilito

rrVeteran

Morehead City, NC​USA

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What kind of stock frame mods are required to fit that big, fat HP05 outrunner in the frame?

I'm going to buy the Microheli frame as soon as they are back in stock. No mod needed -

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Blade
Blade mCPX › SR120 tail
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