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    Flying Flag by flyingthingz - 6/14/2009 4:34 PM   
    gadix


     

    Posts: 908
    Score: 100
    Joined: 4/13/2004
    Last Login: 5/14/2013
    From: Modi'In, ISRAEL
    Status: offline     		hi all
    i have build the Flying falg " designed by flythingz at the time
    i wont hassle  with all the building details, it is very simple and u can see the pictures.

    however, i did a small but important modification

    in the orginal design , the RUDD STAB is "Uncle sam" made from 4-5mm polycarbonate form
    i have replaced this STAB/Figure with a FIN and active rudd - servo - see pic.

    last friday, me and I3dm as test pilot, had 3 flights

    while flying, the plane wanted to roll from side to side consistently, after a while, the plane tried to roll to the RT with HARD down, without the pilot interference!!
    I3dm tried to see if this related to wind dirction and speed of theplane - it happens on both, hence in high and low speed and fornt/back wind as well,
    while flying slowly it is less.
    at first, the planes was NOSE heavy and we added 130gr and went up again
    we had slight improvment but still the plane "rocks" right after take of from side to side and the HARD down&right happend several times.

    3rd test i have replaced the RX to iliminate any "old" RX and RF noise from being a part of this trubleshooting.

    you can see the falg clip from Flying thingz - stable as a rock! http://www.3d-nut.com/videos/flagship.wmv

    while mine is acontrare.

    if anyone have nay idea what could cause this or how to overcome such a matter please do comment on the matter

    tech note:

    OS55AX
    12X6 APC
    6V 2500 NimH
    4X 475 HD - hiteck servos
    1X 81MG - rudd servo
    total weight  - 4kg~



    thx and shalom
    Gadi




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    < Message edited by gadix -- 6/14/2009 4:44 PM >

    _____________________________

    GADI,
    ISRAEL

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    RE: Flying Flag by flyingthingz - 6/14/2009 4:59 PM   
    i3dm


     

    Posts: 3085
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    Joined: 6/17/2004
    Last Login: 5/18/2013
    From: ReutIsrael, ISRAEL
    Status: offline     		Here is a video of the flight:



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    RE: Flying Flag by flyingthingz - 6/15/2009 2:36 AM   
    Laird SS


     

    Posts: 601
    Score: 100
    Joined: 4/17/2005
    Last Login: 5/19/2013
    From: Peoria, AZ, USA
    Status: offline     		Have you tried contacting Flying Thingz at support@flyingthingz.com

    They might be able to help since it's their design.  I wonder if making the fin/rudder functional hasn't created the problem.  Possibly the area is too large.

    bb


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    RE: Flying Flag by flyingthingz - 6/15/2009 7:19 AM   
    Jerryballs


     

    Posts: 73
    Score: 100
    Joined: 8/5/2005
    Last Login: 10/16/2011
    From: scottsdale, AZ, USA
    Status: offline

    Gadi,
    Is there any degree of thrust ...what is the torque like...is it twisting it in the air? How should I know anyway???
    Jerry



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    RE: Flying Flag by flyingthingz - 6/15/2009 2:24 PM   
    gadix


     

    Posts: 908
    Score: 100
    Joined: 4/13/2004
    Last Login: 5/14/2013
    From: Modi'In, ISRAEL
    Status: offline     		u r so funny
    jerry u killing me
    Ha!


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    ISRAEL

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    RE: Flying Flag by flyingthingz - 6/24/2009 11:59 AM   
    gadix


     

    Posts: 908
    Score: 100
    Joined: 4/13/2004
    Last Login: 5/14/2013
    From: Modi'In, ISRAEL
    Status: offline     		update:

    the follwoing modifications were made in order to increase flight stability and easy:

    1. 20% added to vertical stab for more YAW stability
    2. another Fin- vertically , was inserted at the bottom of the wing to add more YAW stability
    3. 200gr total wieght on tail for general CG
    4. 60gr on the CG RT side to overcome CG on engine axis

    I3dm have preformed addtional 3 flight last friday,( i will add clip and pics soon)

    to compansate the RT roll he added more LT rudder by trim

    the FLAG flying much better with no sudden RT+DW stalls
    it stall like a cessna pn the nose very nicely when you idle while holding up

    thx I3dm - AKA Lior zehavy for the test flights and support along the way

    next flight is at the
    2009 WORLD JET MASTERS 2 days show this comming weekend june 26 & 27 at the DEAD SEA




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    RE: Flying Flag by flyingthingz - 6/24/2009 1:43 PM   
    i3dm


     

    Posts: 3085
    Score: 100
    Joined: 6/17/2004
    Last Login: 5/18/2013
    From: ReutIsrael, ISRAEL
    Status: offline     		My pleasure.

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    www.youtube.com/i3dm

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    RE: Flying Flag by flyingthingz - 6/24/2009 4:47 PM   
    Jerryballs


     

    Posts: 73
    Score: 100
    Joined: 8/5/2005
    Last Login: 10/16/2011
    From: scottsdale, AZ, USA
    Status: offline     		Gadi..make us proud at the show and don't hit anything!!

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    RE: Flying Flag by flyingthingz - 6/29/2009 5:02 PM   
    gadix


     

    Posts: 908
    Score: 100
    Joined: 4/13/2004
    Last Login: 5/14/2013
    From: Modi'In, ISRAEL
    Status: offline     		Guys!

    After posting here and at other RC sites for help and consulting on, how and what in order to make this models fly better,
    I'm happy to announce that:

    the results were with outstanding successes

    The air show at the world jet masters 2009 at the Dead Sea was amazing!!!!!!

    The flag flew brilliantly in the experienced hands of I3dm - Lior Zahavi

    The sky-cutter was amazing as well

    In the second and last day I had came up with this crazy and usual idea: to hover with the Flag together with 2 J10 vector jets from Germany.

    Lior have coordinated the flight with the other 2 German pilots, Enrico and Ralph ...magnificently


    You can watch the videos here:


    http://www.youtube.com/watch?v=J56aZ3KDaL4

    and here is Gadi's flyingthingz lawnmower:

    http://www.youtube.com/watch?v=Wj3WNQTZOvk

    and the flag in a hover:
    http://www.youtube.com/watch?v=Wd1x-NFL_-Q




    Lior my friend - you did history!!

    See this amazing pictures as well:



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    < Message edited by gadix -- 6/29/2009 5:58 PM >

    _____________________________

    GADI,
    ISRAEL

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    RE: Flying Flag by flyingthingz - 6/29/2009 5:59 PM   
    i3dm


     

    Posts: 3085
    Score: 100
    Joined: 6/17/2004
    Last Login: 5/18/2013
    From: ReutIsrael, ISRAEL
    Status: offline     		Gadi my friend,

    It was my pleasure !! those German pilots are great guys

    here is another cool video, with the flying witch:




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    < Message edited by i3dm -- 6/29/2009 6:03 PM >

    _____________________________

    www.liorzahavi.com
    www.youtube.com/i3dm

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           Post #: 10

    RE: Flying Flag by flyingthingz - 7/1/2009 6:48 AM   
    3D Nut



    Posts: 416
    Score: 100
    Joined: 4/27/2003
    Last Login: 11/29/2012
    From: Effort, PA, USA
    Status: offline     		Hello Gadi,

    That is amazing. We actually sold the company to Tony Diaz in California. I'm am now the company test pilot [>:] which means I get to fly a lot more than I used to. Give Tony a chance, he's a great guy and we wish him as much success with FlyingThingZ as I had. Thanks for the videos.

    Happy Landing

    Spiro
    Team FlyingThingZ Pilot

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    www.ohiomodelplanes.com

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           Post #: 11

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