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  1. #101
    geh3's Avatar
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    RE: Boomerang Torus CG modification

    SO in my other Torus (stock fuse length)Iwas at the rear of the front spar for CG
    what are you guys using?
    WREN TURBINES USA...GO GREEN!
    ALSO SEE: http://www.rcaircraft-specialties.com/

  2. #102
    geh3's Avatar
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    RE: Boomerang Torus CG modification

    Final Final balance. Imoved some internal stuff
    farther forward, completed the wiring for the 2 rx batteries
    and fitted the top cover in place. (required removing material
    where the turbine is)
    Ichose to balance atthe rear surface of the front spar
    since that is where my other one was!
    Pics show how Ido this by placing an ALU bar
    under the wing spars. The bars have a machined
    channel so they lock onto the bottom of the spars and
    the lift point is established using string looped through holes
    in the bar right at the aft end of the front wing spars..
    simple and effective. The front balance weight is now
    down to 1.5 oz! makes me happy!!!
    Attached Thumbnails Attached Thumbnails Click image for larger version. 

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    WREN TURBINES USA...GO GREEN!
    ALSO SEE: http://www.rcaircraft-specialties.com/

  3. #103
    geh3's Avatar
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    RE: Boomerang Torus CG modification

    I'm not sure when the maiden will be but perhaps this weekend
    should be AWSOME!!!
    WREN TURBINES USA...GO GREEN!
    ALSO SEE: http://www.rcaircraft-specialties.com/

  4. #104
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    RE: Boomerang Torus CG modification


    ORIGINAL: geh3

    SO in my other Torus (stock fuse length)Ā*IĀ*was at the rear of the front spar for CG
    what are you guys using?Ā*
    That's where I'm at - you're in good shape.

    PaulD
    If it\'\'s too LOUD - You\'\'re too OLD

    Www.wircsrc.com
    MAAC Jet Committee

  5. #105
    geh3's Avatar
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    RE: Boomerang Torus CG modification

    Thanks...
    WREN TURBINES USA...GO GREEN!
    ALSO SEE: http://www.rcaircraft-specialties.com/

  6. #106

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    RE: Boomerang Torus CG modification


    ORIGINAL: geh3

    I'm not sure when the maiden will be but perhaps this weekend
    should be AWSOME!!!
    You done a great job and wish the best on your maiden.I been jumping in and out taken a peak what's going on.Work,home improvements and a new work shop have been keeping me away.Wish I had more time but getting there.
    geh3 your a great guy and help to all,again good luck with the maiden.I know already it will go well for you. or should I say "go break a leg"lol.

  7. #107
    geh3's Avatar
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    RE: Boomerang Torus CG modification

    Thanks, the boomers are all good fun planes, the Torus
    really looks cool with the wingtips installed and it takes off and lands like a dream!
    Ihave more complicated planes with full gear doors, smoke systems, and more scale like
    appearance BUTIalways gravitate back to this one for just fun, relaxing flying
    Itried to post some good info here so anyone else can duplicate what Idid
    it only added a week or so to the "build"!!!!!
    If Ican Iwill post a video of this maiden...
    WREN TURBINES USA...GO GREEN!
    ALSO SEE: http://www.rcaircraft-specialties.com/

  8. #108
    geh3's Avatar
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    RE: Boomerang Torus CG modification

    SUCCESS I maidened it today... there is a definite difference between this plane and
    my previous one. It seems to turn and roll better and it definetly climbs better!
    Video to post soon...
    WREN TURBINES USA...GO GREEN!
    ALSO SEE: http://www.rcaircraft-specialties.com/

  9. #109
    figueroa's Avatar
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    RE: Boomerang Torus CG modification

    Congratulations on your maiden.
    I had no doubt that it would fly well.
    Thanks for all the photos and building tips.
    I can't wait to maiden mine.
    Jose
    JetCat P120, JetCentral Super Eagle, Jet Legend L- 39
    Boomerang XL II, Futaba 14mz 2.4 ghz

  10. #110
    PaulD's Avatar
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    RE: Boomerang Torus CG modification

    Well done and congrats.

    Thanks for an interesting read.

    PaulD
    If it\'\'s too LOUD - You\'\'re too OLD

    Www.wircsrc.com
    MAAC Jet Committee

  11. #111

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    RE: Boomerang Torus CG modification

    Congrats on a great flight. it took off and flew great, hope you post the video I shot of it.....


    Mark
    JPO District III rep - Turbine CD,
    www.jpnepa.org

  12. #112
    geh3's Avatar
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    RE: Boomerang Torus CG modification

    The video will post in an hour or so from now...
    making it now on my PC...
    WREN TURBINES USA...GO GREEN!
    ALSO SEE: http://www.rcaircraft-specialties.com/

  13. #113

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    RE: Boomerang Torus CG modification

    Congrats on the maiden looking forward to the video

  14. #114
    geh3's Avatar
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    RE: Boomerang Torus CG modification

    Maiden here>>> http://www.youtube.com/watch?v=mBRpamUhtXA

    The plane flys GREAT

    Next video I will:
    1. Takeoff without wheel brakes on!
    2. Have NOflameouts
    and
    3. Feature a super slow landing...

    Stay Tuned!!!
    WREN TURBINES USA...GO GREEN!
    ALSO SEE: http://www.rcaircraft-specialties.com/

  15. #115

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    RE: Boomerang Torus CG modification

    geh3,jet looks great,flys great,great job,nice video....the little bloopers chalk up to first flight jitters lol......Man I did not want to get envolved with my XL with mods,just wanted to do a quick build and go have some fun.But your jet looks great with that 3'' plug insert...how would you think the XL would look?

  16. #116
    geh3's Avatar
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    RE: Boomerang Torus CG modification

    Well it would look great and be easier to balance however Idon't remember needing any lots of extra weight up front in myXL
    butIdid have to stuff all of my batteries up there. On my XL, the nose was not removable so Ihad to make a hatch. Anyway
    it will fly great unstretched or stretched.

    **the thing about the XL is that is has a LOTof wing area
    SO a little or a lot of weight up front to balance does not significantly
    hurt flight except perhaps for straight vertical climb with smaller turbines!!!
    WREN TURBINES USA...GO GREEN!
    ALSO SEE: http://www.rcaircraft-specialties.com/

  17. #117
    geh3's Avatar
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    RE: Boomerang Torus CG modification

    Iflew today ... WOW Ican take off and go straight up with "0"loss of speed
    and the beast lands noticeably slower +takes off in less space
    SO overall I am very happy with extending the fuse!!!

    Iwill post a video when the weather gets better! The weather today was all cloudy
    and misty so I had to be careful when zoom climbing...
    BUTwhat a blast with a lighter plane...
    WREN TURBINES USA...GO GREEN!
    ALSO SEE: http://www.rcaircraft-specialties.com/


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