11-08-2010, 03:32 AM
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Master Modeler
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Join Date: Apr 2007
Location: Kennesaw, GA
Posts: 1,936
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Let's try this one. Could someone show me the fin fairings attached to the base of the model? According to the instructions the lower wrap is three inches tall. The BT is marked at a 3 inch line and the wrap applied. This placed the lower wrap edge even with the lower BT edge. The hold downs are about 5/16th from the lower lip.
The conic fin fairings (leaving 2mm glue edge except on the curved relief for the BT) are 3 1/4" from the base to the tip of the cone. I can go with the idea that the fairing would overlay the lower corrugations on the wrap. I can appreciate that the upper lip of the fairing overhangs the wrap by 5/32 or so. What I cannot get to work is the fit of the fairing between the hold downs unless they are supposed to be a little bit lower on the tube. I left barely a 16th of the wrap at the top edge and that is smack on the 3" line, so how did I screw this up? Based upon the bottom of the fairing the fin base is supposed to be about 1/8 from the BT lip and then the tube is cut away between the fairings. So do I relieve the gluing edge of the fairing where it meets the hold down?
I am not usually one to whine, but I have to build four of these things. Has anyone got photographs of their alignment which worked perfectly?
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