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Old May 07, 2014, 06:49 PM
Registered User
United States, FL, Orlando
Joined Aug 2007
19 Posts
Question
Dumas CC Cobra Planking

Greetings All,
Well after looking at this kit sitting on my shelf for 2 years I have decided to finally build it After reading all the other reviews it seems that most have said it builds heavy, so my question is this, should I sub-plank with the supplied wood or use a balsa, or other lighter sub-plank? I am planing on glassing the hull so I would think the lighter material should work. thanks for your advice
John
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Old May 07, 2014, 07:32 PM
A 31" mini-Corvette
Building One's Avatar
United States, MO, Union
Joined Sep 2011
236 Posts
If you can get thinner mahogany strips, that's a start, the one inch ply is fairly light, but I think most of the weight comes from the resin, many coats adds up, if you can keep the layers to a minimum, all the better. It's a small boat, the lighter the materials the less it weighs. And of course, the electronics should be light as possible too. Onward, pictures and enjoy building.
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Old May 07, 2014, 10:26 PM
boat butcher
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Whittier CA.
Joined Oct 2009
1,096 Posts
Deefman,

Welcome to the forum . The Cobra is one of my favorite cc's.

Mark
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Old May 10, 2014, 09:48 AM
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United States, NC, Elizabeth City
Joined Mar 2010
34 Posts
Dumas Build

I have built more than a few of the Dumas and other kits. The extra weight of double planking will help you. Build too light, it will bob like a cork and you will have to add ballast in the right places for it to run and plane correctly. I built this Dumas Runabout back in the mid 90's. This is how it looks today. Seal it correctly it will last a long time. It weight out to a little over 10 lbs.

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