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Blade
Blade mCPX › New Head $#@!###
04-10-2011 04:13 PM  6 years agoPost 1
txbiker

rrApprentice

TX

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Hmmmm I need to replace my head for the new with B on the grips??? It came yesterday and I swapped it out. Something didn't look right at all there was a ton of negative pitch in the grips. I set the main gear and rebound my TX. I tried to get a flight in and it only had enough positive pitch to make it light on the skids. Swap my old head back and she flys grerat. My old one 2 grips still feel like new no one can tell the difference between the two heads except for the stamps. Anyone see anything around about issues with the new head?? It's not that hard a swap nothing to get backwards so whats up??? LOL I'm gonna call Horizon at noon and see what they have to say.

mSR,120SR,mCPx SR(DDVP),TTe325 Spektrum

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04-10-2011 06:57 PM  6 years agoPost 2
gingus1

rrApprentice

Lafayette,La.

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Let us know what horizon has to say. I got my new head in yesterday but haven't yet put it on.I really haven't had a problem with the so called recalled head yet, flies great for me. Hope the new one works as well are i maybe sending it back instead of the recalled one.

You Da-Man

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04-10-2011 07:08 PM  6 years agoPost 3
drdot

rrElite Veteran

So. California, Orange County.

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fwiw..

Gotta readjust the control links....

John.

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04-10-2011 07:14 PM  6 years agoPost 4
HUTCH964

rrKey Veteran

Taylor,Texas 76574 local airport T74

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subtrim to get 0deg at 50%mid stick..

I had to do this out of the box..

.

Tim

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04-10-2011 07:49 PM  6 years agoPost 5
txbiker

rrApprentice

TX

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Mine's perfect with the old head. I can't see any noticeable difference between the new head and the old. It's one screw and two links it's not rocket science lol...I pulled mine out of the box oiled the bearings and loctited the feathering shaft screw and I've been flying it an hour a day minimum for the past three weeks. The bearings in my old head feel just as good as the new one. I'm going to try it one more time I've got to be missing something when I install it. Maybe I pulled the main shaft up the gear when I removed the old head. I'm pretty sure I seated the gear after I put on the new head. Anyway one more try Then make the call.

mSR,120SR,mCPx SR(DDVP),TTe325 Spektrum

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04-10-2011 11:16 PM  6 years agoPost 6
newlandb

rrApprentice

Decatur, Illinois - United States

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Mine did the same thing. I flew with the old head just before changing to the new head, so I know the pitch was right. I put the new head on REAL careful. Took it outside to fly, would not even take off. After inspecting it I found that the the pitch had changed at my usual collective stick postion. I put the old head back on and no change in pitch. I thought maybe the radio setting had change so cleared the radio and reset to manual configuration and re-binded, still about 1 degree pitch at hovering stick position. I have no idea what happen unless I shifted the shaft postion. The main is tight and there is only one hole in the shaft to install the head. Has to be something mechanical that I did. Driveing me nuts. I guess I'll have to call Horizon. Anybody let us know what could have possibly happened.

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04-10-2011 11:19 PM  6 years agoPost 7
newlandb

rrApprentice

Decatur, Illinois - United States

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Oh, also Txbiker, I too have a ton of negative pitch which would account for the reduced postive pitch. Let me know what you find out. Maybe John Adams can tell us something if he reads this thread. Thanks.

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04-10-2011 11:47 PM  6 years agoPost 8
gingus1

rrApprentice

Lafayette,La.

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Put my new head on and went try it out and flew just as good as the old one. No problems here with pitch.

You Da-Man

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04-11-2011 12:36 AM  6 years agoPost 9
Solow1

rrNovice

Gilbertsville,Pa. usa

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head

SAME HERE, PUT THE NEW HEAD ON, FLEW LIKE THE OLD ONE.

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04-11-2011 12:44 AM  6 years agoPost 10
txbiker

rrApprentice

TX

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Wow sorry guys that are having the same problem as I am. Glad to know it isn't me lol...I spent an hour on hold with HH and never got anyone. Left a call back and nothing for the second day. Used the only thing HH had that resembles email to contact and left a message there. I will be calling again tomorrow.
i tried mine one more time just incase I might have missed something in the three steps to do the change and still have the same result. No positive pitch. I put the factory head back and flew 10 more batteries just fine. My grip bearings don't show any wear to speak of (2) stamp. Gonna keep on flying until I can get someone at HH to answer a phone......

mSR,120SR,mCPx SR(DDVP),TTe325 Spektrum

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04-11-2011 01:23 AM  6 years agoPost 11
Mitchilito

rrVeteran

Morehead City, NC USA

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No problem

I put on the "B" head with no change whatever. I'm just wondering if the head block they sent you is a different height. That's the only answer I can think of.

If it is you could adjust linkages or swap out for the old head block. Either option is better than an hour on hold for HH support!

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04-11-2011 01:30 AM  6 years agoPost 12
raspeitia

rrApprentice

US - WI

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Definitely something is different.

Put the new head on and now I have some sort of "shakes" as I fly.

Seems to start resonating at a certain pitch or something.

Really bad. Never had problems before.

Swapped out the old head, flies great again. No more shakes.

Can't visually see any difference, but something is not right.

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04-11-2011 01:47 AM  6 years agoPost 13
Vader1

rrApprentice

Jackson, NJ

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What blades do you have on when you get the shakes and are you doing FFF when it happens ? My replacement head looks exactly the same as the old head other than the bearings are in with the copper color out. I have been getting the shakes/wobbles also but I still have not 100% pin pointed the problem. Other than not flying fast without using the blades with the bullets on them. When this heli Is flying well I love it but it seems to be too sensitive . There is no way to turn down the gain in the gyros or something.

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04-11-2011 02:41 AM  6 years agoPost 14
raspeitia

rrApprentice

US - WI

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I fly the 3d ones. Have been since I got it.

I've never had the shakes. This thing flies great, EXCEPT when I put the new head on.

Flew all day with the shakes. It was horrible.

Got home and put the old head on. No more shakes. Flew some more.

BTW 110% on aileron and elevator...WOW it rocks!

I'm calling Horizon on monday to see what they say.

Not sure what to do. Possibly shoot blades, or nasty oscillation?

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04-11-2011 01:18 PM  6 years agoPost 15
txbiker

rrApprentice

TX

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Ya Mitch thats what I was thinking too. I put both heads on a glass coaster and their identical in height ( my caliper is at work #$@@) gotta be a machining issue in the head. I don't see a need to adjust the links to make a perfectly good flying heli work with the new head. The only time I experienced the shakes is when my main gear slipped on the shaft. There should be zero movement. When I was swapping heads I pulled the main shaft up in the gear a bit with both heads. I haven't noticed any issues between blades and causing anything unusual.

mSR,120SR,mCPx SR(DDVP),TTe325 Spektrum

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04-11-2011 02:36 PM  6 years agoPost 16
txbiker

rrApprentice

TX

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Just got off the phone with HH. They didn't know what to say so they told me to adjust the swash in TH at mid stick to get zero pitch. I guess not too many are having this problem so there's no sense in trying a different one as far as they're concerned. I don't see that happening. They can have their (B) head back and I'll stick with mine until I can get the Rakonheli grips and be done. My heli is perfect with my old head. They did tell me they're still shipping heads as fast as they can so I might wait a bit longer and see if anyone else has this problem. We're going to try a friend of mine's head later today. He said he just popped it on Sunday morning and didn't have to touch a thing. If his works on mine then there's something wrong with the replacement if not I guess I'll have to suck it up and make the adjustment and quit being so lazy LOL............

mSR,120SR,mCPx SR(DDVP),TTe325 Spektrum

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04-12-2011 01:04 AM  6 years agoPost 17
Timbers

rrApprentice

Wisconsin

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Me too

Just FYI same thing happened to me with the new head. I installed it and had a ton of negative pitch and barely any positive. I re-adjusted the zero position by unscrewing the swash links one turn each.

Now the heli randomly shakes, sometimes very badly. No, this isn't a vibration, this is an oscillation.

I'll probably put the old head on, the new one is junk.

...Tim

You fly RC helicopters? Can I have a ride?

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04-12-2011 01:14 AM  6 years agoPost 18
Vader1

rrApprentice

Jackson, NJ

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I didn't get the pitch problem but I get the oscillation real bad. I wonder if the o-rings may be causing the oscillation ? I see nothing different with the new "B" head. I don't get it. Yes this is not a vibration, the heli starts to wobble or oscillate at times.

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04-12-2011 01:45 AM  6 years agoPost 19
dcbusdriver

rrApprentice

Stephens City,VA -USA

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I have had the mystery wobbles come and go for no reason on mine as well. Try making sure the batt connector wire is secure and not flopping arround as I recently read that cured someone elses wobbles. Haven't flown in a few days to try it out myself.

beating the air into submission...........cool!

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04-12-2011 02:50 AM  6 years agoPost 20
Vader1

rrApprentice

Jackson, NJ

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Just thought of something

For the people out there that installed the new "B" head and got a different pitch set up after installing the head. Check the pin hole on the main shaft and see if the hole on one side is at the same height as the one on the other side. Maybe the hole isn't a direct pass through and it was drilled from opposite sides ? when you put the new head on you secured it into a different hole than it was previously. Another thing that I'm going to try to see if it cures the oscillation problem is I'm going to make sure that the screw that holds the head on is on the opposite side of the screw that the main shaft collar is on. The only thing I can think of that is different when I installed the new head is maybe I put the screw on the opposite side as it was before. This is just a shot in the dark and I have not test flown it yet but maybe if the 2 screws are on opposite sides of each other they may cancel each other out ???? If they are on the same side maybe they start throwing the main shaft off ?? I have no clue but i'm going to try it. I measured the new head and it's the same as the old one so I found nothing there.

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Blade mCPX › New Head $#@!###
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