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Search results
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a Greek Foam-Composite Airchair attempt
@ litespeed... Of Course Sir I agree with you & thank you for my hollow wings. Those were for an R/C test model. I have stated that the spar will definitely connect to the skins on a previous post (#31) on this thread._ As a matter of fact, I am reinforcing the spar's caps and I'll draw plans... -
a Greek Foam-Composite Airchair attempt
No Sir, I haven't. I don't know how to do that and I'm pretty confident that nobody will help me without a serious amount of money. -
a Greek Foam-Composite Airchair attempt
Hello All. Lately I had to make some wings for a friend's uav, using the Lost Foam technique. I was quite happy with the result. Styrofoam is a bit hard to be burned out, but lighter foams just... dissapear when they get in touch with paint thinners and such liquids. If I knew this technique, I... -
a Greek Foam-Composite Airchair attempt
Hello lurker, hello all. That project will never cease. I'm just having some temporary trouble with space to built it and money for materials. Family needs all my attention. Sorry, but hopefully I'll continue working on it in spring '19... Best wishes for a Happy New Year to all._ :) -
a Greek Foam-Composite Airchair attempt
I removed a slice of foam from the spar area (1/3 chord length), exactly at the width of my spar pocket and glued the four airfoil pieces in place. Before attaching the foamy airfoils, I reinforced the inside corners (red lines) where the spar pocket meets the fuselage. That was done with 4... -
a Greek Foam-Composite Airchair attempt
Hello All. I used my vertical hot wire to cut some airfoil foam, after I've made two identical airfoils out of 4 mm plywood. I put some aluminum tape over the edges of the airfoil shaped plywood so that hot wire will run smoothly on it while it's hot... That's a black foam I find on the... -
a Greek Foam-Composite Airchair attempt
I cut a hole on the fuselage with a three (3) degrees positive angle of attack because I think those classical NaCa airfoils need that. After all, my horizontal stab will be all-moving so it should be easy to trim correct incidence angle between wing and tail at the end... :) Made a "special"... -
a Greek Foam-Composite Airchair attempt
Some progress... > I made a carbon sheet that consists of six (6) layers of 160 gramms/sq.m. fabric. Dimension was 27x100 cm and thickness is about 1,6 mm. The next day I cut that piece in two. Sandpapered the inside edges of the one and glued 9 mm plywood strips with epoxy. Next day the other... -
a Greek Foam-Composite Airchair attempt
Yes, Victor. My thoughts exactly... :) I'm currently building a 1-meter rectangular box out of carbon and wood for the insertion of the wing's "tongues" (main spars). When I've made some progress I'll post pics... :) -
a Greek Foam-Composite Airchair attempt
Victor, Yes. Besides using Bowden cables which was a thought, I'm also leaning towards regular steel cables. I had never thought I could purchase kevlar string on a fair price. I know they are used on glider winches and parachutes but I didn't know a fair price is on the market... If you have a... -
a Greek Foam-Composite Airchair attempt
Hello All and I'm sorry for the delayed continuation on my project but other, smaller planes must be made first... :) I've attached the fin and rudder on the end of my boom with two 8 mm (0,3 inches) in diameter screws. Those simple nuts are just there for maiden assembly. Later on everything... -
a Greek Foam-Composite Airchair attempt
Hello All. I've decided to use the Naca 4514 airfoil. I've transferred it to 4 mm poplar plywood to use it as a pattern for further cuts on foam... Chord at the root of the wing will be 101 cm or 39,7 inches. -
a Greek Foam-Composite Airchair attempt
Hello from Greece. It's just unbelievable how many sunny days per year we have here. Pretty nice for composites! Dino thanks. I searched a little for teleflex control cables but it seems like I can't yet recognize the ones for aircraft use. If you have a direct link for those linkages I'd... -
a Greek Foam-Composite Airchair attempt
Hello Dino and Thank you! My name is Apostolos actually, hahahaa... but that's ok... :) I was a bit worried with people not saying/asking anything on my thread... :( Your nickname in that forum feels like you're having Greek routes. Do you? It's quite difficult for me having my first build on... -
a Greek Foam-Composite Airchair attempt
The other side of the "body" was laminated today with the first layer of the same 160 gramms/sq.m. carbon. I used about 1,5 sq.m. for both sides, that means 0,75 for each side. It now starts getting pretty expensive, hahaaa, more if you're using that resin... -
a Greek Foam-Composite Airchair attempt
Hello All. That huge foamy tower is quite soft and flimsy right now on that height, so I need to reinforce it to keep working more on it. I decided to lay-up the first layer of carbon cloth today. I need it becoming stiff for further work and "building" to it. I did the first side only because... -
a Greek Foam-Composite Airchair attempt
Today I added the first 50 cm of the bottom of the "body" of my single seater. That's the part where (hopefully) the small seat will be attached in the future... -
a Greek Foam-Composite Airchair attempt
Height for the seat would not be enough, so I added some more of it, trying to follow a guy's back as he sits down on that small seat... When I'm happy with the foam's shape, I'm gonna lay-up carbon cloth around all of that and I'll make some nice round "doors" to have access on the inside, like... -
a Greek Foam-Composite Airchair attempt
One can see the rear end fron the nose as it's hollow inside. You can also see the weight until now... -
a Greek Foam-Composite Airchair attempt
Happy New year everyone. I wish you all to have good health to make airplanes! Good health for your families too... :) I have joined my carbon boom with the rest of the body... Length is close to 4 meters by now. You are seeing the body up side down on these pics of course... :)