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

[sammyha]

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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[sammyha]

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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[rol243]

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

[Peter A]

The position of your turn fin in relation to the CG is more important.

[sammyha]

I share this because I think it worked out quite well. Maybe someone else building a rigger can use this. [emoji41]

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...

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[sammyha]

I got my battery straps figured out...

https://youtu.be/pb5P7KMyRgg

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[rol243]

well done , your doing a great build .

[sammyha]

well done , your doing a great build .

Thank you...

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[sammyha]

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...



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[sammyha]

Still have to add velcro under the ESC.

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



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[sammyha]

Here's an overall look with batteries in place.

Everything fits under the cowling...

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[sammyha]

I love the way this kit goes together...

Sheeting the rear sponson shoes with 1/32" birch plywood. I made many more small epoxy mixes, carefully spread with a screwdriver on all the formers and basswood strips.

Since tacking the main tub and sponsons together with CA, I've used epoxy throughout this build.

More time consuming but worth the strength...

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[sammyha]

Bottom ride pads forming nicely in one continuous piece up the leading angle...

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[sammyha]

The top and bottom sheeting overlaps the side sheeting.



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[sammyha]

Stripped the hardware and electronics, sanding the tub before sealing with epoxy...

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