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Other › Atom Phasing Issue Resolved.... or Explained!!!
12-11-2008 12:59 AM  9 years agoPost 1
lithiumstatic

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Tyler, Texas

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I'm going to take a little credit from "TheBum" on HF for finding this info. Good going Alan!

Compass released this very informative information regarding the Atom phasing "issue". http://www.compassmodel.com/manuals/phasing.pdf

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12-11-2008 01:28 AM  9 years agoPost 2
gian

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AZ

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Man, I'd like to see that with a high-speed camera. Any of you video guys up for that?

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12-11-2008 02:28 AM  9 years agoPost 3
lithiumstatic

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Tyler, Texas

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You can put night blades on it and see it work somehow... from what I hear.

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12-11-2008 02:34 AM  9 years agoPost 4
Eury

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Dover NH

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They posted that a few weeks ago when I first made the post about the phasing. They are absolutely correct, however, the effect they are talking about varies with different blades, and headspeeds. They chose to build an aggressive setting into the head, and many blades require a lower setting. That is why some of us are seeing the control interaction from the phasing being off, and some aren't.

Nick Crego

Citizen #0168

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12-11-2008 07:53 AM  9 years agoPost 5
lithiumstatic

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Tyler, Texas

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So it's old news.....

I'd just buy different blades and be done with it. Just my .02

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12-11-2008 08:24 AM  9 years agoPost 6
karman

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Cape Town, South Africa

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yawn

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12-11-2008 07:21 PM  9 years agoPost 7
Isaac F

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Panama Republic of Panama

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They are absolutely correct, however, the effect they are talking about varies with different blades, and headspeeds.
So what blades brand work OK with the phasing set up the Atom 500 have?

Also, what blades you people have try and does not work OK so we stay away from them.

THX

Isaac

Speed of light is greater than speed of sound. Some people seem very bright until U hear them speak

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12-11-2008 07:57 PM  9 years agoPost 8
Eury

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Dover NH

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Radix show the issue. Gscott flew Align on his and had the same problem. The only ones that are consistently reported perfect are the Funkey ones that you see in the ads.

Nick Crego

Citizen #0168

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12-11-2008 08:29 PM  9 years agoPost 9
MrNiceGuy

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Melbourne, FL

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Are the 430 Rotortechs the same as the Funkey? They look exactly the same from pics I've seen and I believe I heard they were the same.

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12-11-2008 08:42 PM  9 years agoPost 10
Parker Hall

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Danville, IN USA

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I'm not sure whether or not the Funkey blades are the same as the Rotortech's. When I purchased mine, I was told (by Compass) that the rotortech's will fly perfectly with the helicopter and will have no phasing issues.

Parker Hall

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12-12-2008 02:14 AM  9 years agoPost 11
MrNiceGuy

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Melbourne, FL

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Thanks man

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12-12-2008 03:21 AM  9 years agoPost 12
RAK402

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Alhambra, CA

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Mine have stickers that say Century, Rotortech, and Fun Key on them.

Team KBDD/Compass Team Manger/Experience RC/Team JR Americas/WR Field Rep

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12-12-2008 08:09 AM  9 years agoPost 13
PatrickXtreme

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Bangkok, Thailand

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FunKey and Rotortech is same thing.

Patrick

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12-12-2008 12:20 PM  9 years agoPost 14
MrNiceGuy

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Melbourne, FL

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Thanks guys!

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01-03-2009 09:52 AM  8 years agoPost 15
OICU812

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Edson, Alberta, Canada

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So really this is not resolved mechanically, it is a matter of using "specific" blades, is this correct to assume??

...Once upon a time there were Nitros, flybars and frequency pins...

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01-03-2009 04:56 PM  8 years agoPost 16
RAK402

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Alhambra, CA

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OICU812,

"So really this is not resolved mechanically, it is a matter of using "specific" blades, is this correct to assume??"

No, Finless tested the Atom 500 with Align blades and found no phasing issues:

http://www.helifreak.com/showthread.php?t=107306

Most people do not seem to be experiencing a problem-only a handful have reported it.

My Atom seems to behave about like Finless Bob's does. It rolls and flips straight and true. It tracks beautifully through large loops. I have no mixes activated to mix Aileron to Elevator or Elevator to Aileron, or to adjust the phasing electronically in any way. If I had added this type of mixing on mine, it would have screwed up the phasing (conversly, if I had experienced a phasing issue, I would have activated the mixing).

To me, the factory phasing is correct. It was designed to be advanced several degrees. Coincidentally, it is in about the same position as where I had set the phasing on my Knight Pro and Knight 3D, give or take a degree or two. When I recieved the Atom, I was pleased that the timing was set where it was, as opposed to "Zero", which I do not care for (possibly personal taste).

I am not a 3D flier-I like to do large smooth aerobatics (I learned to fly in the 1970's when smoothness was important and 3D did not exist-I am freakin old!). A phasing issue would have shown up like the proverbial "sore thumb" if it had existed in my machine. The Atom is extremely quick on the cyclic (far quicker than anything I have flown in 32 years). It took me quite a while to get used to how quick it was, and how to tone it down properly. There is absolutely no "dead spot" at center stick on cyclic-if you think about it, the helicopter responds. I still fly a TREX 450 after flying the Atom in order to "relax".

The extremely quick cyclic may have contributed towards some of the reports of problems.

I have only flown mine with the yellow MAH/Funkey blades. For a while it was purported that these were the only blades that would not show a phasing error. The Finless video with the Align blades disproves this theory (at least for me).

I think the few that reported issues were honestly reporting what they saw or experienced. I have no access to their machines to see what differences there might be, what their setups were, etc. so I cannot comment. I know that I flew mine, initially, with very tight ball links and it did some squirely things until I corrected that by reaming them (twice-to get them where I wanted them).

If it were up to me, I would ask the factory to make the phasing adjustable, as it is on the Knights, as that would end any future controversy.

I am a Rep, but I try very hard not to be biased (or, at least, not too biased).

Team KBDD/Compass Team Manger/Experience RC/Team JR Americas/WR Field Rep

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01-03-2009 10:38 PM  8 years agoPost 17
GScott

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Lewis Center, OH

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With all due respect to Lord Finless I flew mine with the Align blades and the Radix and had phasing issues. It wasn't just me, others flew the heli including my friend is who has flown in the XFC for the last 2 years and everyone noticed it.

It wasn't a build issue and it wasn't tight linkage balls. The balls were sized using Compass's own sizing tool.

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01-03-2009 10:45 PM  8 years agoPost 18
Eury

rrProfessor

Dover NH

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Watch out, you're going to get called out on the Freak, GScott.

The strange thing is that not everyone notices it. Mine definitely does it, and without an electronic mix to correct the problem, it just flies weird. Why others don't see it, I have no idea, but anyone who knows me and has flown my helis will attest that my stuff is set up perfectly, the links are all sized, everything is mechanically correct.

Nick Crego

Citizen #0168

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01-04-2009 06:06 AM  8 years agoPost 19
karman

rrApprentice

Cape Town, South Africa

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i got big hammer
works well for phasing adjustment

i'm still sure compass made changes, cause they always do without telling anyone.

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K3D, ???

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02-02-2009 03:11 PM  8 years agoPost 20
RAK402

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Alhambra, CA

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Just an FYI to anyone interested, I have been flying Radix blades for about three weeks now and there is no phasing issue whatsoever.

Axial rolls are flat and big loops track beautifully.

The phasing on my ship is a few degrees advanced (4-5 degrees)-exactly as described by those who were posting about phasing issues.

I have retired my yellow Funkey blades as the Radix are smoother and more stable (good for an old guy like me).

Team KBDD/Compass Team Manger/Experience RC/Team JR Americas/WR Field Rep

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