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Home✈️Aircraft🚁HelicopterThunder TigerRAPTOR 50 › Tail servo location
09-19-2009 04:41 PM  11 years ago
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Simko

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Erie, PA - USA

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Tail servo location
I bought a used Raptor 50 V2 and the tail servo (S9254) is mounted on the tail boom.

I was going over the instructions to make sure everything was put together correctly and saw that the stock location is up front with a long bent linkage.

I can see why someone would mount it on the boom because it makes for a really clean and solid linkage. The guy used a CF pushrod with the threaded ends. I just wonder if being exposed to the exhaust constantly is going to kill the servo prematurely.

What do most people do with their tail servo on a nitro heli?
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09-19-2009 05:26 PM  11 years ago
JAYHELI

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Northeast Pennsylvania

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I have the same heli no problems
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09-19-2009 10:16 PM  11 years ago
BarracudaHockey

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Jacksonville FL

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I leave mine in the nose, less goo on it, less posibility for crash damage, and the Raptor doesn't need help being tail heavy.Andy
AMA 77227
http://www.jaxrc.com
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09-21-2009 02:28 PM  11 years ago
TmMugen

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Tiny Little Red Dot aka Singapore

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Yes, me too worried about the oil/ nitro getting into the servo.I am a noob flyer from Singapore! Team Nitro Magic
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09-21-2009 03:09 PM  11 years ago
TankDirt

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Illinois

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Yep..I would put it up front..tons of oil on it when its mounted in the back and its a known servo killer
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09-21-2009 05:19 PM  11 years ago
TmMugen

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Tiny Little Red Dot aka Singapore

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But then you will have no push pull on the collective.I am a noob flyer from Singapore! Team Nitro Magic
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09-21-2009 05:29 PM  11 years ago
Heli 770

rrProfessor

USA.

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You can still have the P/P collective with the tail servo mounted in the canopy.
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09-22-2009 12:50 AM  11 years ago
BarracudaHockey

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Jacksonville FL

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That that useless thing in the trash.
Mount the tail servo in the V2 spot, turn the collective servo over so the spline is in the front and come off the back of the servo.

All the parts are in the Titan kits even if they don't mention them.
Andy
AMA 77227
http://www.jaxrc.com
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09-23-2009 12:56 PM  11 years ago
Swoop

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Newark, DE USA

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^+1
Keep it in the front.
Chris
X50, B320, Radix, Spartan
Titan,Kasama,MP5,Radix,JR770
Trex450SE,MavrikkG5,Phoenix35
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09-23-2009 01:39 PM  11 years ago
Gary H

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Minnesota USA

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Put it in the front where it belongs!!
Gary H
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09-23-2009 02:49 PM  11 years ago
JingshiRap

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Malaysia

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Hi,

Before,I put my tail servo on tail boom then I bought new Titan CF rudder mounting at the end of main frame. Both connection are very good since it less resistance but still worried with oil stick to rudder servo.

Now I put it in front after bad crashed with broken servo.

If understand........ Nice!!
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09-23-2009 03:28 PM  11 years ago
Ben-T-Spindle

rrProfessor

Central Illinois

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For nitro helicopters I always put the rudder servo up front.

It’s just stupid to hang an expensive rudder servo out back when you have the option of putting it up front.

... BTS
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09-23-2009 07:23 PM  11 years ago
rexxigpilot

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rexxig2@comcast.net

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Put the servo at the location where the heli balances best. If it doesn't make a difference in balance, put the servo where you like it best.

Good quality servos have o-rings and seals to keep out exhaust residue (mostly lubricant) and moisture. A shorter tail link length and one without added bellcranks can provide more precise tail control. This is the reason the Raptor Titan had its tail servo boom mounted.

I did have my tail servo destroyed on my Raptor V2 with the servo mounted in the servo tray up front. It was one hell of a crash though. When I rebuilt the V2, I installed the Titan upgrade which moved the servo to the boom. It seemed to work much better there. Although I did replace the destroyed Futaba 611/9256 with a LogicTech 6100. That may have caused the improvement.
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09-23-2009 07:59 PM  11 years ago
TankDirt

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Illinois

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Good quality servos have o-rings and seals to keep out exhaust residue (mostly lubricant) and moisture.
It helps, but rest assured it gets in no problem.
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09-24-2009 12:56 AM  11 years ago
Raptor Pilot

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Northern Ireland U.K

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Mine is on the tailboom of my titan and as yet there has been no problems with oil, BUT,i would really prefer it up front under the canopy. Its working fine so i wont change it but if the servo dies or something then up front it will go.If it doesnt move and its meant too... use WD 40. If it moves and its not meant too...use duct tape!
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09-24-2009 02:44 AM  11 years ago
Rob Faust

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Spring, Tx

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fuel soaked tail servos
On two separate occassions when a heli went down at our club field because a tail servo failed, we immediatley opened up the servo. Inside we found the servo to be soaked with fuel. The board and gears were completely covered in fuel. The O-ring does not stop fuel from getting inside, it just slows it.

Mount the tail servo on the boom of a nitro heli and you are just asking for trouble. Put the servo up front.

Rob.
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09-24-2009 03:01 AM  11 years ago
BlakeMcBrayer

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Georgetown, Ky

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Mount the tail servo on the boom of a nitro heli and you are just asking for trouble. Put the servo up front.
VERY WELL STATED!!

I keep all of mine under the hood.

.
Don't come off the throttle untill you see your GOD!
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09-24-2009 12:16 PM  11 years ago
davehour

rrElite Veteran

Guayama, Puerto Rico 00785

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That that useless thing in the trash.
Mount the tail servo in the V2 spot, turn the collective servo over so the spline is in the front and come off the back of the servo.

All the parts are in the Titan kits even if they don't mention them.
Pictures would be great
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09-24-2009 12:35 PM  11 years ago
MartyH

rrProfessor

USA

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The tail servo is a good way to adjust the CG fore and aft but if you can, consider locating it in the stock location to keep the oil and dirt out of it.
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10-06-2009 04:51 PM  11 years ago
TmMugen

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Tiny Little Red Dot aka Singapore

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Looks like everyone is putting theirs at the front.

Can any one show a pics with the wiring? It is not stated in the manual and it had been a long time since my rappy time.
I am a noob flyer from Singapore! Team Nitro Magic
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