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  1. #26

    Join Date
    Sep 2004
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    RE: Sig King Kobra

    After damaging and repairing many Kougars I like to made the following modifications:
    1. Put the canopy on with screws. Something always comes loose inside the canopy
    2. Face the formers with 1/64” lite ply to prevent shattering.
    3. Space the nose wheel forward at least 1/8” and allow room for a steering clevis. It is a pain to take the wing off to adjust the nose wheel.
    4. Enlarge the hole in #1 former so the tank is removable.
    5. Use small triangle stock on the formers to fuselage for more glue area. Epoxy the formers to fuselage. CA is not strong enough.
    6. Holes in the #1 former for wing dowels should be doubled for strength.
    7. Make the center mounted aileron cavity wide enough for two servos. You might want to experiment later with a servo for each aileron.
    8. Don’t bury the battery under the tank.
    9. Rear wing mounting blocks usually tear from the fuselage instead of shearing the bolts. I don’t have a good solution but at last repair I cross-drilled the nylon bolts.

    You probably already know all of the above but they are the changes I make during repair.

    Have fun.

    Bill

  2. #27

    Join Date
    Aug 2006
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    RE: Sig King Kobra

    mine's been primed and waiting for paint for months. i guess i'll fly it next spring.

    david
    David

  3. #28
    Ed_Moorman's Avatar
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    RE: Sig King Kobra

    I think if you cut the tail off, it would make an excellent flying wing. Here's a picture on my Pole Star from Bill Evans plans. Cut the fuselage off and move the fin forward and they are very similar.

    It might be a good winter project. I have another Tower .75 I can use in it.

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    Ed Moorman, AMA 553, Former R/C Report Fun Aerobatics Columnist. 76 and up to my old tricks!

  4. #29
    Wild Bill 1's Avatar
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    RE: Sig King Kobra

    just got through building the king cobra a couple of weeks ago and i had an old OS 61 long stroke that i put in it and it pulls the plane with ease, this plane flies like a pattern plane and performs a solid knife-edge. the plane turned out weighing about 8 1/2 lbs. painted and ready to fly. but i was surprised at how quick it takes off and how slow it will land .i used fixed gear because i fly off a grass field and i would highly recommand this kit to somebody who likes to build their own plane.


  5. #30

    Join Date
    Feb 2007
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    La Vista, NE
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    RE: Sig King Kobra

    Looks great Wild Bill.  That Monocote is way too shiny, though.  You definately need to fly her some more!

  6. #31

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    RE: Sig King Kobra

    any more mods or pics

  7. #32

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    RE: Sig King Kobra

    I uderstand that the Kougar is a fairly straight forward and semi-easy build. Would the King Kobra be the same? How do you know when a kit was designed and manufactured? Do the companies update the builds or just milk them for all they are worth?

    The Kougar comes highly recommended but I wanted a bigger plane.
    Lou K

  8. #33

    Join Date
    Feb 2007
    Location
    La Vista, NE
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    RE: Sig King Kobra

    The King Kobra builds just like the Kougar. It's actually pretty simple and straightforward. If you want to know when the plane was designed and built I'd just call Sig Mfg. They shouldn't have anything better to do than talk to people about the planes they used to build.
    When finished, the King Kobra is a sweet heart of a plane! No bad tendencies!

  9. #34
    Quikturn's Avatar
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    RE: Sig King Kobra

    This looks like an old thread but never hurts to try.

    I just bought a King Kobra kit from someone and it's missing the instruction manual. Would someone have one they can copy for me or send me one they may not need anymore?

    Thanks.
    No matter how many times I cut it, it's still too short!

    Ultrasport Brotherhood #45, P-51 Brotherhood #34, P-40 Brotherhood #35, Saito Club member #799, Spitfire Brotherhood #173, Glow head #18

  10. #35
    SteveW's Avatar
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    RE: Sig King Kobra

    Download it from the Sig website here, it's free:

    http://www.kavanrc.de/instructions/sigrc54kingkobra.pdf

  11. #36
    Quikturn's Avatar
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    RE: Sig King Kobra

    Thanks Steve. Thats great! I guess I didn't look hard enough.
    No matter how many times I cut it, it's still too short!

    Ultrasport Brotherhood #45, P-51 Brotherhood #34, P-40 Brotherhood #35, Saito Club member #799, Spitfire Brotherhood #173, Glow head #18


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