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    Ducting, would my idea work?

    So we see a lot of drone looking things hooked to airplanes these days. It’s like we have human flying drones. We have airplanes and we have guys strapping one to the other. And the integration is ugly. Looking like a school kid made it for a science fair. Anyway. Eventually someone will...
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    Sonerai for sale on eBay! Nice engine!

    Sonerai for sale on eBay https://www.ebay.com/itm/203785511221?mkevt=1&mkcid=16&mkrid=711-127632-2357-0
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    Wing attach taper pins?

    Trying to figure out what to order to attatch my wings. The builder of my plane said he used bolts instead of taper pins to attach the wings since he didn’t do the folding wing. Have any of you guys heard of using bolts? What size bolt is it if you do? They were missing when I got the...
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    Covered over rivets

    Just curious how many of you guys have used body filler over your wing rivets. The previous owner of my plane slapped a bunch on, it’s pretty ugly. He claimed it was to cover up the rivets but I suspect it was because the ribs were low on the spar. The wing bottoms look really good with no...
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    Fabric riveted?

    Have any of you ever seen a sonerai 2 with riveted (or possibly PK screwed) on fabric on the horizontal stabilizer? I’ll be recovering the tail on my new plane anyhow. But I thought it was to be rib stitched. I’m concerned that whoever put the new fabric on the tail must have drilled...
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    Wingtips

    Sorry if I’m posting in the wrong place here, new member. i just picked up a sonerai 2L. She’s going to need a little love before I try flying her. Little fabric work. And an overall going through on hardware and rigging and such. She has no wing tips. Just a butt ending. wondering if...
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    Exhaust attatchment

    Hey guys, I'm building a skyraider 1 and need some advice on how to attatch the exhaust to the fuselage. I know one end goes onto the front landing gear bracket. That attaches to a steel ring. Where I need help figuring out is how the top connector connects to the fuselage? Does anyone have...
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    Press in bushing? What should I use?

    I have an aluminum tube that I need to put a bushing in. My first thought was to just drill it to the next size and hysol a cut tube as a bushing but I need it to be real solid. So I need some opinions, I have heard of swaged bushings and joe bolts but can't find much info on them. I don't...
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    Need to bump out fabric, any ideas?

    There's a place on my plane where there is a bell crank rubbing on the fabric after I shrunk it. I thought I had it clear but the fabric troughs just a tiny bit and so it's rubbing. It's on the inside of the plane (not where a cable exits. Is there something made maybe similar to an...
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    Turning redrive 180 degrees

    Hi guys, I just aquired a rotax 277 right out of a rebuild shop that I trust. It came with the redrive facing down. I want the redrive to point up so that I don't have to hang my engine upside down. How do I make this change and is it something that I can do myself or is it a difficult job?
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    Howland H3 Plans Construction???

    Hi I am looking for plans for the howland H3 pegasis. Specifically I want to know what the wing spar looks like.
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    Riveted plywood to aluminum?

    How about the idea of riveting a plywood wing skin to aluminum wing ribs? On a fabric covered homebuilt.
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    Question on wood quality

    I want to ask you're opinion guys. I cut up the spars for my wings out of Douglas fir. The grain run is perfect. Only problem is some smaller pitch pockets. The spars are a box spar like a minimax or legal eagle. I have to decide if I should leave the pockets or cut the section out and add...
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    Hi from China, My boss needs a plane drawn up.

    Hi, We need to make an 8 seat. Currently we buy materials from misouri same as any of you would and build the Zenith 750 and 801. (not a knock off, we purchased 50 kits from the factory, yes that is right, they are being bought from the USA, built here in china and for the chinese market...
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    autogyro blade design question Stauffer?

    I want to make a gyro that is also a wing... I know way back before my time there was an autogyro called the Stauffer that acomplished this. I know this one is probably a dumb question but if I were to use a flat bottomed airfoil and angle it to the relative wind is there any chance that in...
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    What do you guys know about chopper guns?

    Lets say I wanted to build a fuselage out of fiberglass and I am going for a low speed low performance aircraft.... nothing extreme like you guys build. What would happen if I wanted to use a chopper gun to put the glass on?
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    Dumb question

    Hi, I know just about nothing about composites so please be nice. Can you guys tell me how much of a composite airframe's strength is in it's skin in general? Can you create a fuselage that is hollow or do you need structure underneath?
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    4 cylinder ford engine

    I just bought a 2.0 with a gearbox on it. Anyone have any experience with gearboxes on fords? Was the javelin a gearbox or belt drive? Where do I get more info on what I bought here?
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    weight of 4130?

    Does anyone know the weight of 1/2 x .035" 4130 per foot? Or know of a way to figure it out?
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    Who knows about turnbuckles?

    Hi guys, I believe my turnbuckle is a 3/16 but am not positive. It is inside my wing and I am adjusting my ailerons. I am at full tight on this thing and I would like to go a bit tighter in order to raise my ailerons just a tiny bit. Can you guys tell me what is the shortest turnbuckle...
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