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HomeAircraftHelicopterHIROBOOther › FlyBarLess Evo 50
02-06-2008 11:24 PM  10 years agoPost 1
Clearance

rrVeteran

Rain Forest of Western Canada

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The Evo 50 mCCPM is an excellent candidate to convert to a flybarless system. No machining of parts is necessary and only a few holes have to be drilled, with three being tapped. Considerable amount of latitude is available for mechanical adjustments to the collective and cyclic throws with no binding at the extremes. Full servo travel has been retained for plus/minus 13 degrees on the collective and 8 degrees on the cyclic. When the weather improves, it'll be in the air!

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02-07-2008 01:23 AM  10 years agoPost 2
Royrex

rrApprentice

TN USA

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Looks great. Is the small tank in the proper orintation?

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02-07-2008 03:04 AM  10 years agoPost 3
Clearance

rrVeteran

Rain Forest of Western Canada

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Royrex,

Yes, the feeder tank is in its proper orientation. It's for fast backwards inverted flying Thanks for the interest. I am quite excited about the project as over the past 24 years of flying I have never embraced new technology; now I am a Beta tester for the digital flybar system.

Ken

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02-07-2008 03:24 AM  10 years agoPost 4
rudyy

rrElite Veteran

E. Amherst, NY

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How do you convert the head to flybarless? If it is not too complicated, I would like to try. Oh, let us know how it flies.

Rudy

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02-07-2008 09:41 AM  10 years agoPost 5
hootowl

rrProfessor

Garnet Valley, Pa.

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Is the small tank in the proper orintation?
The heli is crooked. Since header tanks are always full during flight what is the advantage?

Love to see it when you're done with the conversion but your gonna get more interest about that header tank than the flybarless conversion the way things progress around here.

Wolves don't lose sleep over the opinions of sheep

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02-07-2008 12:47 PM  10 years agoPost 6
Learn to Fly

rrKey Veteran

Yalesville Connecticut

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HAHAHAHAHAHAHA^^^^^^^^^^^^^

So true though. Header tanks dont matter which way they are pointing since Mike said, they are full at all times.


Jeff
Believe nothing you hear, and half of what you see...

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02-07-2008 05:21 PM  10 years agoPost 7
Paul Woodcock

rrElite Veteran

Dubai - United Arab Emirates

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Hi

We also assume the heli flies upright and straight and level at all times......you header is in 'the correct' setup while flying a funnel!!!!

Regards
Paul

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02-07-2008 11:24 PM  10 years agoPost 8
Clearance

rrVeteran

Rain Forest of Western Canada

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Rudy,
If you are really interested in the flybarless conversion I'll post exact details of how I did it. The steps are relatively easy and straight forward.
Amazing how everyone took note of the feeder tank Thank goodness I don't use uniflow!
Now if I can only get Hirobo to buy my patent on this system

Ken

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02-07-2008 11:46 PM  10 years agoPost 9
Funky Trex

rrElite Veteran

Westerville, OH - USA

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Very cool. Hmmm... maybe I won't sell my EVO I would be interested in the details of modifying the head if you don't mind posting them. What stabilizer system will you be using?

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02-08-2008 12:51 AM  10 years agoPost 10
Clearance

rrVeteran

Rain Forest of Western Canada

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Thanks for your interest. Before you modify your Evo 50 you should consider:
Pros:
a)rock solid stability in hover irrespective of most wind conditions;
b)adjustable control authority on cyclic (mild to lightning extreme);
c)reduced parts count (e.g., elimination of stabilizer bar, paddles, seesaw, stabilier control arm, etc.) for easier maintenance/repairs;
d)less drag due to the elimination of the flybar assembly yielding greater power, or potentially longer flights;
e)elimination of the "unsightly" flybar for better scale presentation.

Cons:
a)the electronics that optimize this configuration can be expensive;
b)for best results, a portable PC is required at the field to fine tune the variables;
c)some "virtual flybar" systems appear not to be very user friendly.

I am secretly Beta testing a new unit that is much less expensive than what is currently available. I am just giving feedback to the developer as an end user. Search "alvinchai" on RR for a vid.

I'll post the simple mod. procedure later.

Ken

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02-08-2008 10:22 PM  10 years agoPost 11
rudyy

rrElite Veteran

E. Amherst, NY

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I am looking forward to your modification instructions.

Rudy

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04-15-2008 10:58 PM  10 years agoPost 12
Clearance

rrVeteran

Rain Forest of Western Canada

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The flybarless Evo 50 project has been an overwhelming success. Just the increase in power due to the elimination of the flybar, flybar paddles, seesaw assembly makes it a worthwhile endeavor. The cyclic rates are out-of-this-world and are fully adjustable. For example, stationary rolls are lightning fast!!! Having gyros on cyclic created no adverse changes to the flight characteristics of the Evo 50; it's like your first flight with a HH gyro on the tail. I still need to fine tune the entire system to my flying style: tune the heli down a bit on cyclic and increase the hovering stability simply by adjusting the two dials. Ken

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12-09-2008 03:04 AM  10 years agoPost 13
tchavei

rrProfessor

Portugal

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Can you post some pics and instructions for the conversion? I have a close friend that would like to put a scale head with a vbar on his Augusta. Its a evo 50 mechanics.

Thx

Tony


--------------------
"Perfection and patience usually walk side by side..."

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12-09-2008 03:17 AM  10 years agoPost 14
Turkana

rrKey Veteran

Montreal,Quebec , Canada

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pics pics setup,were to get the unit etc etc,. x mass is comming....!

regards pete

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12-09-2008 04:59 AM  10 years agoPost 15
KevinB

rrKey Veteran

Earth

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I just converted mine before the winter started. Used a Fury extreme headblock and a vibe 50 mikado conversion kit. V-bar electronics. Flys great ! Now I need another v-bar for my Vibe cause the evo won't give it up !

KevinB

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