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T-REX 450 › Phasing on 450 Pro V2
03-12-2012 02:34 AM  6 years agoPost 1
The_Widowmaker

rrElite Veteran

Bear Valley Springs, CA

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Could someone please check the following alignment on their 450 Pro V2 and see if you get the same results ?

Align the 2 balls on inner swash that have radius arms attached with the anti rotation bar on the outter swash. You should have a straight line down the center line of the heli. Once that is aligned look at the alignment of the main grips and see if they are also centerline or offset as show in my image.

I don't know if it even matters on flybarless but on my flybar helis the blade grips were always centerline when swash was aligned this way.

"I'm a Virgin.. I'm just not very good at it. "

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03-12-2012 03:13 AM  6 years agoPost 2
jsenicka

rrProfessor

Eagle River, WI

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Align the swash driver till the links from swash to head are exact parallel to main shaft. It does not matter how the swash driver lines up to anything. It matters how swash aligns to grips.

Jim Senicka
Team Manager, GrandRC Flight Team

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03-12-2012 04:30 AM  6 years agoPost 3
The_Widowmaker

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Bear Valley Springs, CA

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There is no adjustment possible. The alignment is set by the holes that already exist in the main shaft. The main rotor housing and the mounting location for the arms / radius arms are one solid piece.

So still looking for someone with a 450 with align flybarless head that can line up as pictured and see if you get the same results.

"I'm a Virgin.. I'm just not very good at it. "

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03-12-2012 04:49 AM  6 years agoPost 4
3dgimble

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Rochester

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They are supposed to be aligned. You wont really find any one with that alignment unles they crashed. You are going to have to bend the followers until they swing free and are aligned. I use the V1 Align FBL head and other FBL heads also, with my the RJX head I had to re-align it to get perfect phasing, by bending the followers ever so slightly till all was aligned and movement was very free. You'll have to remove servo linkages to do it though.

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03-13-2012 01:57 AM  6 years agoPost 5
Nitro-Spark

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New Hartford, MO - USA

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I had the same issue with my T-rex 700E after a tip over on landing. The aluminum follower arms were twisted a little bit. I was able to bend them back into phase with little effort. Now everything is lined back up correct, and moves freely.

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03-13-2012 03:41 AM  6 years agoPost 6
The_Widowmaker

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Bear Valley Springs, CA

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The arms are one the first thing I checked. I actually removed them and layed on flat surface.

"I'm a Virgin.. I'm just not very good at it. "

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03-13-2012 04:33 AM  6 years agoPost 7
michael88997

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Lewisville,Tx

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I don't know If you noticed or not but the head on the v2 rotates a little on the main shaft, that could be your offset.

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03-13-2012 05:19 AM  6 years agoPost 8
3dgimble

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Rochester

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doesn't matter just bend it back into place or send back head under warranty. It is twisted in some way, straitening it is the only way you can get it back.

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03-13-2012 05:55 AM  6 years agoPost 9
The_Widowmaker

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Bear Valley Springs, CA

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Yes michael88997 I did notice that but the alignment issue is between the inner swash and the headblock and since the headblock is one piece any adjustment made to it is carried down to the inner swash.

funguy.. there is nothing to bend back. The arms are straight and parallel with the grips.

jsenicka.. are you saying that as long as the grips and arms at base of headblock are parallel it does not matter how they are aligned with the center swash ?

Does anyone know any contact infor for Align ?

"I'm a Virgin.. I'm just not very good at it. "

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03-13-2012 07:06 AM  6 years agoPost 10
3dgimble

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Rochester

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correction, just bend it whether its straight or not, it may be a defect from the factory, align does have the occasional defect.

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03-13-2012 02:25 PM  6 years agoPost 11
Kaborkian

rrNovice

Lafayette, LA USA

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You can "fix", meaning band aid, the problem with ail-ele and ele-ail mixing.

Bottom line is what's been said though, blades must be aligned with boom when balls are lined up or it will have some unwanted mixing between ail and ele

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03-13-2012 02:52 PM  6 years agoPost 12
jschenck

rrProfessor

La Vista, NE.

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Is the mainshaft not drilled correctly? Do you have another mainshaft to try out? I wouldn't bend anything on the head or followers unless they are not straight. The only other thing I can think of that would cause this is if you have the wrong plastic arms on the followers

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03-13-2012 03:21 PM  6 years agoPost 13
The_Widowmaker

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Bear Valley Springs, CA

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No Im not going to bend anything and they are straight. I thought about the main shaft but that does not matter. The holes on top and bottom could be 90 degrees off and it would not affect the issue because the head block and phasing block are one solid piece. For example on this head you could remove the top jesus bolt, turn the head and everthing down to the inner swash is going to move together.

Since the head and phasing block are one piece, phasing is left to how accurate the pieces in the head were manufactured and apparently something is off.

"I'm a Virgin.. I'm just not very good at it. "

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03-13-2012 03:29 PM  6 years agoPost 14
3dgimble

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Rochester

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Then send back that bad boy to Align and have them send you a new one.

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03-13-2012 03:32 PM  6 years agoPost 15
The_Widowmaker

rrElite Veteran

Bear Valley Springs, CA

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Thats what Im trying to do but actually contacting them seems to be as difficult as figuring out this problem. I emailed assurance rc, which as far as I can tell is the US contact and distrubutor. Hopefully they will work with me and not require me to buy all the different head pieces to get this figured out.

"I'm a Virgin.. I'm just not very good at it. "

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03-13-2012 03:37 PM  6 years agoPost 16
jschenck

rrProfessor

La Vista, NE.

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Your right, mainshaft doesn't matter. The only thing I can think of that would play into this is the plastic follower links, the follower arms or the block itself isn't straight. Is it possible that those plastic links are the wrong ones and you need "FBL" ones? i.e. the ball links on those plastic ball links should be directly under the center of the main blade grips. Also for checking the headblock are the holes that the followers bolt into exactly 90 deg. to the blade grips? I'd guess one of those two.

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03-13-2012 10:43 PM  6 years agoPost 17
The_Widowmaker

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Bear Valley Springs, CA

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Don't know how but its correct now. I took everything apart to check it and when I reassembled everything it was all lined up. Im happy.

"I'm a Virgin.. I'm just not very good at it. "

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03-14-2012 12:17 AM  6 years agoPost 18
Kaborkian

rrNovice

Lafayette, LA USA

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Just had a thought...did you flip the swash drive collar over? I doubt its symmetrical, wax it maybe upside down?

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03-14-2012 03:21 PM  6 years agoPost 19
The_Widowmaker

rrElite Veteran

Bear Valley Springs, CA

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The phasing collar is fixed on this model so you cannot flip it. I relocated all the linkage on the inner swash 90 degrees. I don't understand how that fixed it but its dead on now.

"I'm a Virgin.. I'm just not very good at it. "

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03-14-2012 04:08 PM  6 years agoPost 20
jschenck

rrProfessor

La Vista, NE.

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maybe the swash is drilled wrong for two of the inner swash ball links?

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