Yes Sir, right away Sir, three bags full Sir! Sheesh, it's like being back in the army. "Straighten up that line, suck in that gut, and GET A HAIR CUT"!!!!!!
November Holiday
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Scott sent me his RenShape 1/96 NOVEMBER sail master. Just got it in todays mail.
I'm demoting it to intermediate-master status. I'll use it to make a quick and dirty intermediate rubber tool from which I'll make a hollow GRP sail production-master. That production master will be used to give form to the internal mast, bridge, and SAS snorkel foundation production-masters. The objective is to produce a more complete and end-user friendly kit.
Here I'm assembling the flask needed to contain the mold making rubber. I should have the tool completed by this time tomorrow.
David
Who is John Galt?👍 1Comment
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I love that you're splitting the hull at the waterline, Scott. That move makes determination of topside displacement -- and as a result, the amount of ballast water needed -- easy. All I have to do is weight the sail and upper hull, and that number is the same as the weight of water to size the ballast tank for. Only math is to convert for the specific gravity of the hull and sail material -- and that works out as the specific gravity of GRP is close enough to 1 not to matter. Easy-Peasy.
However I will have to account for lost displacement for that portion of the ballast tank that will be above waterline in surface trim, and plug in a 10-15% fudge-factor when working out the length of the 2.5" SubDriver ballast tank.
David
Who is John Galt?👍 1Comment
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The parting board. I usually use a laminated shelf for this; cheap, straight and relatively stable. This time I'm trying a much thinner board with aluminium channel sections glued to the underside to provide strength and stability. Seems OK so far.
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