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HomeAircraftHelicopterHIROBOOther › Play in Aileron lever Freya (build)
11-01-2004 09:20 AM  13 years agoPost 1
Henrik Engert

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Cedar Park, TX

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Hi,

I am putting together my XSpec and noticed that there is a lot of play in the aileron lever. I can push it in and out 1-2mm. All the parts are mounted correctly, I am 100% sure. I think I can see a washer on the Runryder's build pictures, but none of those is provided nore is one seen in the manual.

Do I have to file down the "tube" it is mounted to? Maybe the easiest way is to use a washer, but I just wanted to make sure I have not done something totally wrong. It is just weird I have to use a washer or something that did no come with the kit.

Someone else has to have noticed this before me.....

-Hinke

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11-01-2004 10:53 AM  13 years agoPost 2
Jafa

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Sydney, Australia

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Hi,

We have had quite a few new XSpec's at our club, about 5, not one of us encountered that problem.

See page 27, step 21

It goes,

M2.6 bolt,
flange bearing 4x08X3FZZ - flange on outside,
aileron lever,
spacer C04X06X2,
flange bearing 4x08X3FZZ - reversed,
spacer C04X06X2.

If you have all those it should be fine - no play

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11-01-2004 11:45 AM  13 years agoPost 3
Henrik Engert

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Cedar Park, TX

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Thanks
I will double and triple check the installation of the Aileron lever when I get home. This is just strange.

-Hinke

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11-01-2004 03:50 PM  13 years agoPost 4
I3DM

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Israel

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Here is the parts break down
make sure you have everything in there as Jafa suggested.
i never heard of this too !

www.liorzahavi.com

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11-01-2004 05:14 PM  13 years agoPost 5
Henrik Engert

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Cedar Park, TX

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Hi
I just checked the parts and they are exactly mounted as the manual says. This is strange. There is 1mm of play.

Now I double checked it, I will go out again and triple check it. This time dismount the part.

-Hinke

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11-01-2004 06:24 PM  13 years agoPost 6
Henrik Engert

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Cedar Park, TX

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Hi again
I triple checked it.

I was forced to use a 0.2mm washer to get rid of the play.

-Hinke

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11-01-2004 06:54 PM  13 years agoPost 7
I3DM

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Israel

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0.2mm washer ? you mentioned 1-2mm of play..

www.liorzahavi.com

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11-01-2004 07:39 PM  13 years agoPost 8
Henrik Engert

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Cedar Park, TX

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Hi
Sorry,

I was wrong about that, but the play seemed much larger.

I also have play in the XLevers, but not in and out, only if you push them side to side.

I mean, there is a huge gap inside the Xlever between the two bearings, and that might be causing the play there.

-Hinke

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11-01-2004 08:51 PM  13 years agoPost 9
elviswl

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Fort Lauderdale, South Florida

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No play in the Aileron Lever, but I had/developed a play in the COLLECTIVE PITCH SHAFT (#0414127). It was fixed with a shim.

-elvis

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11-01-2004 10:10 PM  13 years agoPost 10
I3DM

rrProfessor

Israel

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The collective pitch shaft play is more common, and is fixed with a shim like you said.

Hinke, are you sure the bolt goes all the way in ? is the "shaft" that the lever sits on just a bit longer then the width of the lever itself ? try to see what is the exact cause for this, i never heard of this kind of play before!

www.liorzahavi.com

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11-02-2004 07:53 AM  13 years agoPost 11
Henrik Engert

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Cedar Park, TX

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Hi
I will maybe tonight shoot a video showing the play and the parts, then maybe someone can tell me what the problem is.

So, stay tuned for a video from Hinke.

-Hinke

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11-02-2004 09:04 PM  13 years agoPost 12
Henrik Engert

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Cedar Park, TX

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Hi
Well, I took away the washer and filed down the shaft that the aileron piece is attached to, and now the play is gone.

I do however have play in the right XLever, I can pull and push on it, and there is 0.1-0.2mm play. I can also wiggle it. I noticed by only putting the inner bearing on the shaft that the bearing does not have a snugg fit at all, there is actually play in the bearing. This can probably be fixed by using a thin small washer that I don't have. I'll ask some friends where to get them.

-Hinke

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11-03-2004 02:11 AM  13 years agoPost 13
4cyclic

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Montreal, Can. and northern Vermont

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I use blue Loctite 242 on all these levers, shafts ,flanged ball bearings and inside spacers on my 2 Freyas .This reduces side and wiggle play to zero. And it stays that way for a long time...

J.L.

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11-03-2004 11:10 AM  13 years agoPost 14
I3DM

rrProfessor

Israel

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4cyclic, wont it be hard to remove then ?

www.liorzahavi.com

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11-03-2004 01:16 PM  13 years agoPost 15
Henrik Engert

rrKey Veteran

Cedar Park, TX

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Hi
Problem with some bearings in the XSpec kit are that they have play in themself. Even if it sits tight on the shaft, you can wiggle them.

-Hinke

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11-03-2004 11:22 PM  13 years agoPost 16
4cyclic

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Montreal, Can. and northern Vermont

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I3DM, the amount of loctite used is very small and the blue loctite is removable. if difficult you can apply heat to soften it up, but i never had a problem removing a bearing or part.

If properly done with the inner and outside races of the bearings, there should be zero wiggle. We did all of the head and washout mixers on a friend's xspec at IRCHA and it made a difference . Markus Kim tried it and noted it was the best Freya he ever flew.

try it.

J.L.

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11-04-2004 04:08 AM  13 years agoPost 17
Helinutnz

rrElite Veteran

below 42 South

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File the tubes
I file the tubes to eliminate play. I use loctite to tighten the inner bearing housings to the shafts (not much!) I have found the x-levers with slop from new and pinned it down to radial play in the tiny bearings themselves. This is easily eliminated by removing the clamped distance between the inner races of the inner and outer bearing so that the balls inside the races are almost but not quite preloaded to the outer portion of the bearing races. Now you have no more movement. But only either SHIM the play or file the tube if it is that type of assembly just enough to remove play and not load the bearings. Nice firm setup with zero play.

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11-04-2004 04:11 AM  13 years agoPost 18
Helinutnz

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below 42 South

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more
Hinke. You are right. Play in the bearings themselves. Thats where it is. Also sometimes a non snug fit on a shaft and less commonly especially with the hirobo stuff a bearing that is loose in it's housing like in an x lever. Can all add up to being quite loose. I am like you. I like to eliminate all play and believe this to be great for the heli. (except in one way bearings)

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