Digital.Complex: [done] EDF Toy Boat - Digital.Complex

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[done] EDF Toy Boat

#1 User is offline   aotsukisho 

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Posted 29 July 2011 - 04:34 PM

a Target opened up recently in Hilo, and when we went to check it out they had a cute little toy boat for sale for around $3. You can guess what I did...

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we shall see where this project goes. I should be able to finish it for no money at all, since I already have everything I need to power it.
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#2 User is offline   aotsukisho 

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Posted 01 August 2011 - 11:22 AM

a Sunday afternoon later, and the Toy Boat is almost finished. All that's left is to waterproof two more areas to make it completely sealed.

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testing the boat's floatation with nothing else in it

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I put my box of screws in, to simulate the weight of the electronics ~(170g)

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looks good

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tentative electronics placement in the hull

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drilling a hole for the EDF motor's wires

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I found that if I use the 2s 800mAh lipos from the 6s RC18 project, I can fit everything into a box which is much easier to make waterproof

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just gotta drill a hole for the wires to exit

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cutting off the molding so I can fit the electronics box

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total weight of the electronics (EDF unit adds 50g, servo adds 12g)

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it's a little nose heavy, as I expected

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wire exit hole drilled

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cutting out molding for the rudder servo

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cleaned up and roughened the edges for acceptance of hot glue

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I decided to attach the electronics box to the hull with velcro, which makes it easier for mounting and maintenance.

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TG9e servo hotglued in

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hotgluing a piece of plastic to the servo horn for the rudder

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rudder installed

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it works! but as of right now, it doesn't go anywhere.

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looking inside

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I decided to add more weights for better stability.

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now all I have to do is find a calm body of water!
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#3 User is offline   aotsukisho 

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Posted 26 September 2011 - 04:51 PM

This past weekend I went out to Kapoho for my friend's dad's birthday bbq, and we found a quiet pond next to the beach in which to test the Toy Boat even if it wasn't completely done yet.

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prepwork

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going down into the tidepool

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calm water was exactly what I needed

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it floats! awwwwright

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puttering around

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for some reason (no rudder, undercurrents, wind, etc etc) it had a very hard time turning in one direction.

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trying to control it...

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come on little boat!

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no reverse becomes a problem. maybe I should figure out how to make the rudder act as a sail

all in all, project is a success. The EDF has way too much power for this tiny boat, I think it will be better suited for a larger (12"?), heavier boat. I'll post a video when I get home.
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