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HelicopterFlybarless Rotor Head SystemsOther › Flybarless head for T-rex 450?
08-08-2007 09:02 PM  10 years agoPost 21
SSN PrurrElite Veteran - Taxachusetts - My Posts: All  Forum  Topic

willy, you just cant leave it alone.

Take a closer look, I am not the one ruinning this thread.

The only thing you are doing here is trolling around and ego stroking yourself!

what an idiot.

Multiple posts about the same topic do a TON to futher the information database here too!

here you go willy, Just for you!

Stupidity can be cured. Ignorance is for life!

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08-08-2007 09:05 PM  10 years agoPost 22
SSN Pru

rrElite Veteran

Taxachusetts

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When I was playing with a flybarless Piccolo, I used a teetering head design. The hub teetered on the mainshaft adapter, which extended above the hub and was threaded.

http://www.pgoelz.com/piccolo_collective01.html

By placing a piece of rubber tubing over the portion above the hub and then squashing it with a screw and washer I could change the teeter damping easily over a wide range.

What I found was that the teeter damping made a BIG difference to the control authority. By changing the damping I could go from so sluggish it was hard to control.... but VERY stable.... to so quick it was scary. More (stiffer) damping = slower control and more stability.

A Trex conversion does not seem to allow easy adjustment of the damping.
My experience doesnt sound so friggin singular now does it? Read the thread instead of skipping to what I have to say you troll.

Stupidity can be cured. Ignorance is for life!

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08-08-2007 10:16 PM  10 years agoPost 23
Portblock

rrVeteran

Van Nuys, CA

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umdpru,

you are right, we did just say the same thing. I, for some reason, read your post as that the flybar makes the heli more repsonsive.

The voices in my head can beat up the voices in your head.

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08-08-2007 11:30 PM  10 years agoPost 24
SSN Pru

rrElite Veteran

Taxachusetts

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gee, thumbnails are so much easier to view than full size pictures...

Stupidity can be cured. Ignorance is for life!

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08-09-2007 03:07 AM  10 years agoPost 25
jamesotron

rrApprentice

Auckland, New​Zealand

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Remember that the other thing that the various software flybars out there do is compensate for precession on your control inputs - remember that your flybar mixing moves control inputs 90 degrees ahead of the swash. Something you need to think about if you want to go with a purely mechanical solution.

sociable.co.nz

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08-09-2007 05:14 AM  10 years agoPost 26
hercflyer

rrNovice

Des Moines, WA. USA

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WOW!!!!!

That was entertaining! To those of you who added valuable input, I thank you. I will see that it gets put to good use. I was not aware that there was such a thing as electronic stabilization for a flybarless head. Sadly, I've only been flying rc heli's for 8 months, and I have not had much experience in advanced assembly, or experimentation. (that's where RR comes in!)

To those of you (umdpru) that criticized me for not being a forum weenie, I apologize for my lack of insight. Silly me, I should have known that there was a search function to a forum that I know nothing about, nor do I spend my nights arguing and over-imposing my superior intellect on the computer with individuals of whom I do not know.

What between my busy career (defending my country and a personal business that I run), nightly training in my other hobby (MMA cagefighter), and various other interests that I pursue vigorously, I figured that if I post the question, someone could more effectively direct me to a more appropriate avenue to CONTINUE my research. I think that I made it obvious a second ago that that my time is divided and limited. This is also my first time to any forum of any kind. So cut me some slack, or stay out of the forums and keep your lackluster, narrow-minded opinions where they belong....to yourself.

Oh, and leave the dissemination of information (as it pertains to this particular hobby), to those who know how to do it civilly.

(this took me a couple of keystrokes and a mouse click to respond to your asinine remarks).

Go big or go home!

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08-09-2007 05:19 AM  10 years agoPost 27
hercflyer

rrNovice

Des Moines, WA. USA

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I read somewhere that someone used a gyro for the aileron. Has anyone else tried it, and if so, where did you find the information to set it up? Can you use just any gyro, or does it have to be a specific type? Again, any info pertaining to this would a great help. Thanks

-J

Go big or go home!

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08-09-2007 06:28 AM  10 years agoPost 28
MJWS

rrKey Veteran

Airdrie, AB - Canada

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Here is a pretty decent thread on the current state of flybarless. There are a dozen threads worth reading.

http://www.runryder.com/helicopter/t303432p1/

Read ECO8Gators work and Portoblock's.

Flybarless IS the next big thing. The intent behind modern flybarless design by both Mikado, CSM, and even recently Curtis for the worlds, is that we destabilize the head mechanically, then we add back control via additional gyros. Just like a modern fighter that takes a computer to fly it. Feels solid as a rock in normal flight with everything on, but when you ask it to move the instability makes it like lightening. We can now vary stability with flight modes and on the fly for competition. So we can get a super stable hover without having to trade cyclic speed for 3d.

The only 450 size system I've heard of is the probar eco8gator is working on. I believe CSM hacked their flybarless system onto a 450 for testing as well, but it is really designed around larger heli.

Good luck,

Mike

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08-09-2007 12:16 PM  10 years agoPost 29
ChopperEddie

rrVeteran

Pennsylvania, USA!

My Posts: All  Forum  Topic

umdpru,

By chance, do you know if the Tx you were using to fly the flybarless TRex had a bunch of expo dialed into the cyclic? Perhaps the owner of the heli used expo to tame it down around center because of the added sensativity of the flybarless setup?

Thanks.

-- Runway? We don't need no stinking runway! --

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08-09-2007 02:19 PM  10 years agoPost 30
Pistol Pete

rrProfessor

Seffner, FL

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all this back and forth just because of this​one comment?

I have flown one
therefore...????

sorry could not pass on it...mea culpa.

~~Enjoying the hobby one flight at a time~~

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08-09-2007 04:08 PM  10 years agoPost 31
jschenck

rrProfessor

La Vista, NE.

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Here is some research done by AirWolfRC a while ago:

http://airwolfrc.com/NFB.html

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08-09-2007 04:38 PM  10 years agoPost 32
Carey

rrVeteran

Allentown USA

My Posts: All  Forum  Topic

To those of you (umdpru) that criticized me for not being a forum weenie, I apologize for my lack of insight. Silly me, I should have known that there was a search function to a forum that I know nothing about, nor do I spend my nights arguing and over-imposing my superior intellect on the computer with individuals of whom I do not know.
Actually, you would be well served taking a half hour some night to learn how message boards work if they seem a bit confusing.

Regardless of the 'genre' the message board is about (e.g. cooking, gaming, antique muscle cars, etc etc); learning how to pump them for the information you need is a priceless skill.

Message boards I would say are one of the best sources of information, whatever the topic, that I can use.

Real people, sharing real experience.

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08-09-2007 07:53 PM  10 years agoPost 33
hercflyer

rrNovice

Des Moines, WA. USA

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"Actually, you would be well served taking a half hour some night to learn how message boards work if they seem a bit confusing."

yeah.. thanks dude.........Thanks for the info guys, that's what I was looking for!

Go big or go home!

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08-10-2007 12:53 PM  10 years agoPost 34
SSN Pru

rrElite Veteran

Taxachusetts

My Posts: All  Forum  Topic

someone could more effectively direct me to a more appropriate avenue to CONTINUE my research
I think i pretty effectively did that for you (and others) after suggesting that you do it yourself...

Stupidity can be cured. Ignorance is for life!

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08-10-2007 02:35 PM  10 years agoPost 35
Carey

rrVeteran

Allentown USA

My Posts: All  Forum  Topic

Give a man a fish...

Oh never mind.

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