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Old 11-23-2020, 08:19 PM   #1 (permalink)
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Default OXY 5 rotation arms don't line up (fixed, something not seated fully)

OXY 5 rotation arms don't line up perfectly and cause it to bind. Is this a thing or did I do something stupid? I could shim it but I figured I should ask first. Sorry if this has been covered elsewhere.



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Old 11-23-2020, 10:16 PM   #2 (permalink)
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Hi Rick, are you repairing after a crash or just building it up?

I think it’s possible that something might be upside down or inside out. In general you can see the OXY logo or print from the top and outside face of the links.

The other thing is there are a collection of washers in the assembly. Any chance you are missing one or two?
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Old 11-23-2020, 11:13 PM   #3 (permalink)
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Originally Posted by JimJW View Post
Hi Rick, are you repairing after a crash or just building it up?

I think itís possible that something might be upside down or inside out. In general you can see the OXY logo or print from the top and outside face of the links.

The other thing is there are a collection of washers in the assembly. Any chance you are missing one or two?
It's the initial build. The arms were factory built and I just did the loctited screws. All the washers are as they did them which seemed to match the manual. It's pretty simplistic. It's the Flange bearings sandwiching a bushing and one washer outside of each.




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Old 11-24-2020, 05:25 AM   #4 (permalink)
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Look at your following arms,make sure there in the rite spot on the head and faceing the correct way.
Also,The linkage rod should should be in line with the center of the head block going to the swash..
Iam adding a few pics of what it should look like..hope it helps..
(The linkage arm from the blade grip should NOT be near the bolt that holds the follow arm on)
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Old 11-24-2020, 07:05 AM   #5 (permalink)
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Quote:
Originally Posted by hawkeye690 View Post
Look at your following arms,make sure there in the rite spot on the head and faceing the correct way.
Also,The linkage rod should should be in line with the center of the head block going to the swash..
Iam adding a few pics of what it should look like..hope it helps..
(The linkage arm from the blade grip should NOT be near the bolt that holds the follow arm on)
Thanks for the nice clear pictures. Mine are exactly like yours.
If you pop one link off, does the other side line up perfectly?
Rick
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Old 11-24-2020, 07:38 AM   #6 (permalink)
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Not really sure what your asking but,,In the pics you will see how the arms should line up..
Also notice how the solid plastic likes are and where they attach to the swash..
Look over the manual again and also use the pics ..
Note,,you can also just put the linkage arms from the blade grips to the swash and you should see how the follow arms should go..

I would like to see a pic of yours looking straight on and from the side if you still have problums...
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Old 11-24-2020, 08:08 AM   #7 (permalink)
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Rick, it sounds like you are saying that something might be bent or otherwise out of kilter. I’ll say mine went straight on. From your picture it looks like you’re about half the diameter of the ball off...

Try a couple things:
1) take the head off and put it down on a piece of graph paper or something that gives a fair reference. Even regular lined paper could work. Rest it on the bottom of the head and align the long edge with one of the lines on the paper. Spread the swash drivers out and look to see if they are in line. What you’re looking for is that one or both sides a straight.
2) loosen up the 4 bolts that attach the swash driver to the head and the make up the intermediate pivot. Is there a lot of play in the bearings? (Was it kitty-wumpus when it was tightened down)

If it’s not an assembly issue, then maybe a part is warped or bent?
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Old 11-24-2020, 08:30 AM   #8 (permalink)
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Originally Posted by JimJW View Post
Rick, it sounds like you are saying that something might be bent or otherwise out of kilter. I’ll say mine went straight on. From your picture it looks like you’re about half the diameter of the ball off...

Try a couple things:
1) take the head off and put it down on a piece of graph paper or something that gives a fair reference. Even regular lined paper could work. Rest it on the bottom of the head and align the long edge with one of the lines on the paper. Spread the swash drivers out and look to see if they are in line. What you’re looking for is that one or both sides a straight.
2) loosen up the 4 bolts that attach the swash driver to the head and the make up the intermediate pivot. Is there a lot of play in the bearings? (Was it kitty-wumpus when it was tightened down)

If it’s not an assembly issue, then maybe a part is warped or bent?
I'm pretty sure it is exactly per manual. Nothing looks warped or bent. It relies on the flexibility of the arms to allow it to go on. It may have seemed OK if you were not looking for it. I request that someone pop one off for me just to try it please.

Rick
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Old 11-24-2020, 08:36 AM   #9 (permalink)
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I popped mine off. As expected, the plastic part falls right onto the ball:

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In the photo the link is off and the ball is centered in the hole without any force pushing it one direction or the other.
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Old 11-24-2020, 09:57 AM   #10 (permalink)
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Scratch all that. All I had to do was take them apart and put them back together again. Something was not aligned properly. All is OK now. Thanks for the help.



Rick
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Old 11-24-2020, 12:32 PM   #11 (permalink)
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Scratch all that. All I had to do was take them apart and put them back together again. Something was not aligned properly. All is OK now. Thanks for the help.



Rick
Great to hear! I wonder if a bearing wasn’t seated all the way into the plastic or something? Either way, glad to hear you got it figured out!

(Is this the same build that you had issues with the tail assembly?)
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Old 11-24-2020, 02:34 PM   #12 (permalink)
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Yep,good to hear!..Sometimes ya just need to step back,take a breath and start over,,youll love the OXY 5
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Old 11-24-2020, 04:26 PM   #13 (permalink)
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Originally Posted by JimJW View Post
Great to hear! I wonder if a bearing wasnít seated all the way into the plastic or something? Either way, glad to hear you got it figured out!

(Is this the same build that you had issues with the tail assembly?)
Yep, with the Covid thing and starting a different job at work, I kind of wasn't feeling it and had not continued the build. I'm happy to say I am now of a right mind to enjoy building this beast.


Quote:
Originally Posted by hawkeye690 View Post
Yep,good to hear!..Sometimes ya just need to step back,take a breath and start over,,youll love the OXY 5
I'm guessing a bearing was not seated as well. Glad I was not in a hurry and took the time to make it right.

Having built the head now I have to say I'm impressed with how rock solid it is. I can see how it will make this baby fly like it's on rails. The links were stiff as hell. Looking forward to seeing how they work out when I go to fine tune them.

Rick
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Old 11-24-2020, 04:28 PM   #14 (permalink)
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Glad you got this sorted. I had been following, and even checked out the manual to make sure everything looked right in your pics! lol


I knew mine went together smooth, and it was driving me crazy you ran into this. Let us know how it flies when you get done!
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Old 11-24-2020, 05:26 PM   #15 (permalink)
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Glad you got this sorted. I had been following, and even checked out the manual to make sure everything looked right in your pics! lol


I knew mine went together smooth, and it was driving me crazy you ran into this. Let us know how it flies when you get done!
Thanks slogoat. I appreciate that you did that. I'll let everyone know for sure!
Rick
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Old 11-24-2020, 07:19 PM   #16 (permalink)
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I think your arms may have warped slightly from sitting in the box so long

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Old 11-24-2020, 08:34 PM   #17 (permalink)
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I think your arms may have warped slightly from sitting in the box so long

Sent from my SM-G988U using Tapatalk
lol, well played.

Rick
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Old 12-01-2020, 01:36 PM   #18 (permalink)
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I was wondering what happened to this build. Thought you tried it and didn't like the heli perhaps and just let the thread die.
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Old 12-04-2020, 05:27 PM   #19 (permalink)
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I was wondering what happened to this build. Thought you tried it and didn't like the heli perhaps and just let the thread die.
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