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Home✈️Aircraft🚁HelicopterThunder TigerRAPTOR 50 › tail pin?
06-16-2009 11:20 PM  11 years ago
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creepin

rrNovice

louisville, ky

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tail pin?
I wondering about a few things about the tail? Problem pin, where is it, how do I prevent it from failing? Should I consider all metal/ carbon tail? If so, does anyone have the part #? Tail boom, am I less likely to damage a carbon tail boom than the stock one in a crash? Other than bling, anything else needed or recomended to get into 3D.

I have Raptor Titan, OS 50 H, Mavrikk all metal head, GY401 - S9254, AR7100R, DX7 and getting 8717 on cyclic, blue paddles, Carbon boom, Mavrikk G5 wide chord 620mm blades and I think 97mm carbon tail blades.
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06-17-2009 12:16 AM  11 years ago
Ben-T-Spindle

rrProfessor

Central Illinois

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It’s the pin that attached the tail pulley to the tail shaft. The setscrew is held in place with a setscrew that inserts in the end of the tail shaft. The secret is to use plenty of thread lock. Fill the hole with thread lock so that it comes out around the pin when the screw is tightened. You will need a good high quality hex tool so you can get it tight.

An alternative is to use a short 3mm socket head screw. That way you can tighten it down harder. With plenty of thread lock I have never had a problem in 10 years of flying Raptors.

The new Titan SE has a metal tail pulley and it also has a pin.

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.
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You don’t need any upgraded to learn 3D.

From my experience CF tail booms break much easier in a crash. If you are still crashing keep everything stock and just replace the plastic parts when they break. Metal will bend and CF will shatter (have you ever seen a CF race car crash).
... BTS
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06-17-2009 02:39 AM  11 years ago
toolman18

rrElite Veteran

Portland Tx

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I put my pin in the vise. Then i bent the pin a little. I bent it enough where it didnt really want to go in. It did go in and i used the set screw. It is very tight and i have no worries.
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06-17-2009 04:27 AM  11 years ago
jschenck

rrProfessor

La Vista, NE.

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I secure it with heat shrink tubing. I also drill an inspection hole in the tail case so I can keep an eye on it. Another option would be the ElyQ tail case which is open so you can see the tail gear and pin

What the tail pin looks like when it's sliding out

secured with shrink wrap

Inspection hole drilled in the tail case

and the ElyQ tail case
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06-17-2009 07:59 AM  11 years ago
viper78

rrApprentice

Seaview Rotary Wings, Brooklyn NY

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I used this from Quick UK

Rip Roman Pirozek Jr.
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06-17-2009 11:08 AM  11 years ago
S Bell

rrApprentice

Nova Scotia Canada

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The plastic pulley is fine for many people. The pin can also be secured with thread rapped around the pin area and then soaked with CA forming a retaining sleeve. One or two layers of thread will do the trick dependant on the thread gage. The CA soaked thread becomes a hard, strong plastic sleeve that can be removed with a hobby knife. It's much more secure than shrink tubing and easier to remove than brass tubing, plus it's easy,readily available and simple. It won't stretch or allow the pin to poke through. Just CA carefully and don't get any on the shaft where the bearing seats. Lots of options are available for peace of mind offering a build and forget area.
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06-17-2009 04:27 PM  11 years ago
BarracudaHockey

rrMaster

Jacksonville FL

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All of the above are true, and I like Stephen's fix but I've yet to have one come out by just putting a dab of thread lock on the set screw after cleaning it, and properly tightening it.Andy
AMA 77227
http://www.jaxrc.com
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06-17-2009 04:29 PM  11 years ago
Swoop

rrElite Veteran

Newark, DE USA

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S Bell, that is a new one. I like the idea.

I use a version of what BTS is doing. I use the stock set screw with threadlock. Once its all together I run a full size head screw in to lock the set screw in. never had one come loose yet.
Chris
X50, B320, Radix, Spartan
Titan,Kasama,MP5,Radix,JR770
Trex450SE,MavrikkG5,Phoenix35
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06-18-2009 05:20 AM  11 years ago
PJRono

rrKey Veteran

Minnesota, Ya!

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Grind a flat(groove) on the pin where the setscrew hits it. the use threadlock and it will never come out.If you skip me I can't play!
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06-24-2009 06:24 PM  11 years ago
rev-ike

rrNovice

Suncitywest,AZ

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tail pin?
I use 2 set screws,there is plenty of hole depth,just lock tight the first set screw, then put the second set screw in just screw it in till it bottoms out on the first set screw snug, done deal,several years never had a problem.Rev-Ike
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06-27-2009 04:04 PM  11 years ago
ZAC ATTACK

rrKey Veteran

Hamilton Ontario, CANADA

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viper78 has the pefect upgade.If you purchase the tail-case from Quk-UK you can also eliminate the idler pulley.I have both set-ups and have never encountered a problem with the stock set-up,even without the above safety measures mentioned.MAAC#77677 Medicated daily for your protection
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06-29-2009 10:06 PM  11 years ago
w.pasman

rrElite Veteran

Netherlands

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degrease (eg use benzine) thoroughly and use blue loctite.

The raptor V1 had a different tail and there I did this

http://graphics.tudelft.nl/~wouter/...nforcetail.html


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07-10-2009 07:40 PM  11 years ago
Silli

rrNovice

Finland

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Only safe solution is the filed flat spot.
CCPM rules
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