Date: Sat, 12 Aug 2006 07:32:54 -0600 (Mountain Daylight Time)
Subject: [Star45] First hull off the board....
| Well, the first hull came off the board this morning and it was 17 oz with all the frames. So with 1/16 oz balsa planking and 2 layers of 3.2 oz satin weave glass I came out pretty close to the 16 oz. I would have liked to be slightly lighter, but this is pretty good. The second boat should be lighter since I used lighter balsa. If you are going to build a star in this manner take a scale to the store when you buy your balsa and weigh it. The bottom planking sheets I used varied from 14g to 32g for 1/16 X 3 X 48. I didnt use any of the 32 g sheets. The first boat sheets were about 22g each and the 2nd boat was 14 to 15 g per sheet and there are 3 sheets for the bottom. So that should be a 1/2 oz difference between hulls. I am sure that I could make the frames lighter. On my 10R's I used .150" wide frames and on the star I used the 3/8 wide per the plans. I am sure I can thin them down to 1/4" or .200 without loosing much strength and it should drop the weight by another oz or two. John |
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