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Old 02-11-2007 | 08:08 PM
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badger5964
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From: Fayetteville, NC
Default RE: Bridi Killer Bee

Some more progress over the weekend.

Attached is a picture of the Killer Bee framed up and rough sanded to shape. It has all the batteries, RX and tanks packed loosely as far forward as I could. It balances over an inch ahead of CG, really nose heavy. I taped two Futaba 9206 servos (not shown) that I intend to use on rudder and elevator to the rear of the fuse in a likely looking spot. Balance was still ahead of CG.! Good I should be able to balance by moving gear around. I do not like adding weight.

I also checked the incidence on the wing. Even with the nearly 3/16" step down from wing to fuse the incidence read zero vs datum line and stab. That good because I got ahead of myself earlier and used epoxy/microballoons to get a tight fit on the fuse/wing saddle.

I also worked this weekend to assemble the cowl and pants. Fit the cowl together with a lap joint. Instructions are unclear here but a smooth but joint would have been impossible. Placed CA along interior seam and sprayed accelerator to set. I next cut some 1.5 oz cloth and glassed the seams. I put two layers on the rear. It is setting up now. I hope to finish it out before the weekend. The pants still need the glass added to the interior joint. The pants were butted together and fit up pretty nicely.

Reviewed my color scheme to avoid issues surrounding the transparency of the pearl white. I had called for some white stripes on the wing but working out scheme to avoid placing pearl white over colors. I did a test run also and it showed quite a bit of bleed through. Another point is I do alot of marking with red Sharpie pens. On a some scrap balsa, I made a line with the Sharpie, applied pearl white Ultracote. The pearl white pigment seems to absorb some of the red line leaving a ghost image, could be it just could cover the red. So lesson learned early! I really like these build threads and forums. It is info and help like described in the pearl white cover problems that make these forums super! Saved me from fustration.

Take a look.

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