Scale Wendell Hostetler 30% Piper Cherokee Glass Fuselage Build.

Doing a little work inside the fuselage interior. Needed to finish off the side walls. Looked at a couple different options;
1. Laminating .015 styrene on 1/16" balsa
2. Fiberglass lay ups of various thicknesses
3. Laminating fiberglass on 1/16 balsa
After several tests ended up with 1/2 and 1 1/2 ounce glass cloth wetted out and the excess squeegeed off, then vacuum bagging 1/16" balsa sheet to the back. Selected the lightest 1/16" sheets from a stack purchased from National balsa, these sheets weighted 12 - 13 grams, this works out to 7 pound balsa. The sheets ranged from 12 to 22 grams each, 7 to 12 pound balsa. After doing the calculations I found it interesting that there are exactly 256 3"x36"x1/16" sheets in a cubic foot!
Next move will be the shelf for the rear seats. Since this need to be a little stiffer 4 ounce cloth was laminated to the back side of same sheets used for the sides.


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I bought a dozen or so 12" x 24" x .015" white styrene sheets for the project, I did find the sheets make an excellent template material, cheap, score with a knife, bendable, just perfect.

Got the rear seats mocked up, the seat bottom plate will be removable. Set the dash in place, again this will be removable to access the servos for the throttle, choke and nose wheel.

Looks good!!

Found this 3/4" red panel indicating lamp from Square D that I plan to use for the red anti collision beacon. Eliminated most of the assembly.
Up until this point been making power supplies for the LED's from LM317 regulators, kind of a pain. Found the adjustable regulators (Left side) on Amazon 6 for about $10, they looked ;ike they would word out then decided to look for a fixed voltage unit. Found switching regulator (Right side) at Digikey, up to 35 volt input, 3.3 volt output rated at 1 1/2 amps, weights 2 grams, all four needed will weight less that one of the Amazon units or the home built.

Back when I made a fading beacon it was running off a 12V lipo with a 555 timer, NPN transistor, 220 Capacitor, and Resistors to step down the voltage. Your approach would create a more stable voltage