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HomeAircraftHelicopterFuel-Helicopters New or Limited ActivityQuickWW › You must setup tail endpoints
04-01-2009 08:40 PM  9 years agoPost 41
smallplanes

rrElite Veteran

S.C. ,SSA

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Well Irwin did not tell me to use red locktite i used it because i heard someone else say they were going to use red on some of there parts. I have been using blue Permatex on one of my other helis and i can't keep the bolts in the thing so i went with red on this. I have used red before and it's not to hard to lossen so i hope in this case i can lossen it up ok.


Spectra G 26cc
Jewel
Bat 27cc
Trex 700<br

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04-01-2009 09:19 PM  9 years agoPost 42
JuanRodriguez

rrProfessor

The Villages, Florida

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I have been using blue Permatex on one of my other helis and i can't keep the bolts in the thing so i went with red on this.
Ok, do as you wish....... but , if you can't keep bolts from coming loose with the blue permatex, then, you're either not using it properly (meaning, the two mating parts should be thoroughly de-greased prior to using the loctite) or...... you have bigger problems that you need to address...... ie, vibration problems.....

On the bigger bolts (I think you said you used a 5 mm on this strap mount ?) , you won't have a problem..... but on the smaller ones, 3 mm and below, you may have a problem getting them loose without heat.

You'll see many threads where folks that don't know will often ask , "how do I remove a bolt with a stripped head"...........

There are many places on a heli where you don't want to damage adjacent parts by the use of heat.......

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04-01-2009 11:28 PM  9 years agoPost 43
smallplanes

rrElite Veteran

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Juan I know how to use locktite i've been using it for years and never had a problem until this last batch i bought(the gel). I have never had a bolt to come out me heli until i bought a new tube and used it on my new Trex 700,and i don't have a vib problem the heli was hovering smooth as silk. A friend of mine bought a tube of the gel from the same place i did a few days before i did and his bolts are falling out right and left. I always clean my bolts with denatured alcohol before putting the locktite on them and still my bolts are falling out. I called the Permatex company to ask them what was going on with this stuff as i have never had a problem and he asked me if i was using there surface prep,and i said no i have never heard of the stuff.I bet you have never heard of it ether? He said i should spray the bolt with the surface prep on the bolt before putting the locktite on it and it would have a chemical reaction to the locktite and dry the locktite in one hour. He said if i did not have any to always use acetone or finger nail polish remover. Do you use acetone,i bet not? He said if the gel is not holding i should use there surface insensitive blue threadlocker it holds better than the gel or standard blue locktite. He said since i have had a problem with there product he would send me a can of there surface prep and a bottle of there surface insensitive blue locktite and he sent it to me free and it got here in about three days. Like i said i always clean my bolts with denatured alcohol so i know the bolts where clean and that they had locktite on them. I think this answers you question about me putting the locktite on properly.

I used 4mm bolts in my tuned pipe mount and i filled all the way around the clamp to get the burr of the clamp so i think i might just leave it alone and not take it lose to put the tape on. The pipe clamp is the only thing on the whole heli that i used red on so i'm sure i will be ok. I was not telling you to use it i just told you what i did,if i cant get the bolt out when i'm ready i will cut the head off and make another stand off. I'm not new to helis just new to gassers and so far i've built and setup close to 20 helis.

Thanks for your input


Spectra G 26cc
Jewel
Bat 27cc
Trex 700<br

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04-01-2009 11:58 PM  9 years agoPost 44
jimboflies

rrElite Veteran

Beaumont, Texas;

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I have always used blue loc-tite on my helis until I got this gasser.
Bolts have been coming loose with the blue so I used the red on all my bolts. Have`nt had any more come loose yet.
I was reluctant to use the red , but I am glad that I did now...

EP8 EX twinring frame
Quick of Japan
EP8v2 EX
EP9

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04-02-2009 12:56 AM  9 years agoPost 45
JuanRodriguez

rrProfessor

The Villages, Florida

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he asked me if i was using there surface prep,and i said no i have never heard of the stuff.I bet you have never heard of it ether?
I don't use Permatex stuff but yes, I have heard of it. Loctite sells it in a spray form....
He said if i did not have any to always use acetone or finger nail polish remover. Do you use acetone,i bet not?
Gee, that's exactly what I use !! What a coincidence !

Personally, I don't think that alcohol has enough strenght to thoroughly cut through the oils that may be present on the bolts to properly clean them...... That is why the rep suggested acetone as a substitute to their product. The stuff is nasty but I guarantee that it's probably the best de-greasing agent around.....

Quite frankly, smallplanes, from reading your post, I got the impression that you were a newby.... that's why I've attempted to share some knowledge that I've learned from being in this hobby since 1984......

But now that I see that you're a seasoned expert modeler, I'll refrain from upsetting you with any further constructive input.....

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04-02-2009 03:14 AM  9 years agoPost 46
windy62

rrApprentice

USA

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You guys must be having some serious vibration problems if bolts are coming loose all over the heli and you have to resort to red loctitie to hold it together...I mean the occasional bolt happens on any heli, but your problems seem drastic.

Hi freq vibes from lean running or engines not properly loaded due to wierd gear ratios and head speeds may be the cause.

Maybe version 3 will be better....

windy62

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04-02-2009 04:08 AM  9 years agoPost 47
TheRickster

rrApprentice

Beaumont Texas

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A can of BrakeKleen is even better than the Acetone treatment.. Evaporates nearly instantly and leaves NO oil residue..

Rick

If in doubt lean it out . We don't do this to save money, we save money to do this

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04-02-2009 04:04 PM  9 years agoPost 48
shuttlepilot

rrElite Veteran

Mullins, South Carolina

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Hi freq vibes from lean running or engines not properly loaded due to wierd gear ratios and head speeds may be the cause.

Maybe version 3 will be better....
Not sure what you mean by that comment. The gear ratio on the 26cc is 6.77:1.....which works very well with my 26. Lean running engine is not something that I can address. Break in usually does have some lower frequency vibrations that could rattle things loose.

I've never used anything but blue locktite on my gasser....and I don't go through the ritual of cleaning the screws honestly....maybe wipe them with a rag, but no acetone. Once everything is broken in, nothing should come loose abnormally. I always check my screws, but very very seldom does anything need tightening on my gasser.

Gas is Great
Camper Fuel is Better!!
QWW Helis

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04-02-2009 05:16 PM  9 years agoPost 49
smallplanes

rrElite Veteran

S.C. ,SSA

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Thanks Juan


Spectra G 26cc
Jewel
Bat 27cc
Trex 700<br

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04-04-2009 03:12 AM  9 years agoPost 50
windy62

rrApprentice

USA

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With that ratio, what blades and headspeed are you running?

windy62

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04-04-2009 04:48 AM  9 years agoPost 51
smallplanes

rrElite Veteran

S.C. ,SSA

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Well i'm using a 12Z with a g260EI motor zimmer tuned pipe on a QWW Bat pro. I have not got it flying yet but i hope to get into a least a hover tomorrow or Sunay. I can't say how it peforms because so far i have only had it running 4 or 5 times and i had a problem with a part or two and i got that fixed so i hope to fire it up this weekend. I will let you know how it does. these gassers are like building a chopper there all a little different and take a while to get fine tuned.

Thanks


Spectra G 26cc
Jewel
Bat 27cc
Trex 700<br

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04-05-2009 03:22 PM  9 years agoPost 52
smallplanes

rrElite Veteran

S.C. ,SSA

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Jimbo i turned my EI box over like you got yours and tied it back down. Thanks for catching that for me.

Thanks


Spectra G 26cc
Jewel
Bat 27cc
Trex 700<br

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