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Thread: ML Boatworks RSX380 Outrigger! My first FE wood kit build...

  1. #181

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    Then I removed my servo tray.

    It weighs 1.05 ounces and the CG moved about half the thickness of the spruce strip. An eighth of an inch...

    Interesting? It sure is too me...



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  2. #182

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    The question is, what does this mean, real world?

    Other words, what difference in handling would moving the CG an 1/8" make? Would you even notice the difference? I don't know the answer to that...

    I can figure this much tho. From the CG point to the center of the back bay measures 17", and it's 15" to the tips of the sponsons.

    That a 1.13/1 ratio.

    For an ounce heavy in the back you would need 1.13 ounces in the front.

    So weight in the back is something to avoid.

    It's a bigger deal with airplanes, more like a 3/1 ratio.

    This should balance nicely...

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  3. #183

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    I doubt very much you will notice any difference by moving the c.o.g. back or forward even by 1 inch each way.

  4. #184

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    The position of your turn fin in relation to the CG is more important.
    NZMPBA 2013, 2016 Open Electric Champion. NZMPBA 2016 P Offshore Champion.
    2016 SUHA Q Sport Hydro Hi Points Champion.
    BOPMPBC Open Mono, Open Electric Champion.

  5. #185

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    I share this because I think it worked out quite well. Maybe someone else building a rigger can use this.

    You have to buy two, to get eight pads(or cut more pads from the scrap). They are $10.99 each, I got the carbon fiber ones... https://www.offshoreelectrics.com/pr...prod=ose-80525

    The pictures tell the story...

    Sent from my SM-G950U1 using Tapatalk
    Last edited by sammyha; 11-16-2018 at 11:13 AM.

  6. #186

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    I got my battery straps figured out...

    https://youtu.be/pb5P7KMyRgg

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  7. #187

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    well done , your doing a great build .

  8. #188

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    Quote Originally Posted by rol243 View Post
    well done , your doing a great build .
    Thank you...

    Sent from my SM-G950U1 using Tapatalk

  9. #189

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    Mounting the Spearfish 200A ESC is another challenge with this build. It's huge! After studying this for quite awhile, I figured this was my only solution.

    Although I removed the top cross section of the middle former, the braces under the ESC mount more than replaces it for strength.

    The end result worked out to my satisfaction...



    Sent from my SM-G950U1 using Tapatalk
    Last edited by sammyha; 11-16-2018 at 08:52 AM.

  10. #190

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    Still have to add velcro under the ESC.

    In the second picture, the top of the former is now removed...



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    Last edited by sammyha; 11-16-2018 at 08:51 AM.

  11. #191

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    Here's an overall look with batteries in place.

    Everything fits under the cowling...

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