Glad to see you back on this, I've been wondering if you were working on it. ;)
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New project... Boredom is a curse... Lol
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Indeed it's due time I finish it up and give her a test flight. Then it's on to rebuilding the big one again. Might go even bigger than 6' though, may go for 12'. This time I might look into building it with more wood. I'm just not sure how I really want to do it yet. I'm just anxious to fly something that's all my own and very unique. I have ideas. And having done these smaller ones I really feel like I have a feel for what I need to do. I'm gonna try to do a sheeting over frame, then glass it. Fingers crossed! Ha!
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Originally posted by rifleman_btx View PostWell, back to this project, I finished programming everything into the horus x10. Just got to make the battery covers and it'll be go for test flight this weekend.rc flyin addict
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Oh yeah, if I do any of that it will be in the ultimate build of this the 4.0, that's the one is gonna be putting together everything I've learned from these builds to make one that should be finally perfect. It's why I'm looking to do a skin over frame design. I think it will make the motor and electronics placement easier. Also on that one I will run a gyro :) this small one is just more or less a proof of concept for battery placement.
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I studied the Horten brothers stuff a bit. Saw some of it first hand at Udvar Hazy last year. Built a few test wings powered with props.
This one has over a hundred flights on it. 155mph... GPS onboard. No gyro. 5’ wingspan.
The key to stabilization in a true flying wing is wingtip washout. Any design with little or no washout will waller visibly side to side. A fare amount of washout helps resolve this issue immensely.
I’ve never had serious stabilization issues without a gyro.This is made of holographic foam board and flies on a 4s 5000mAh.
Its super fast. I have no desire to muck up a good thing and go scale. I made up plans for a 200mph version.
If I can get the giant scale PC-6 done with some time to spare I’ll do the wing this spring...
Been a rough winter in PA plowing snow.
1 Photo
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My long time RC friend from childhood and I still fly together. He loves to build from foam board. It’s cheap and strong as hell. With some practice in technique it’s actually a great medium to build experimental planes with as it’s so cost effective and provides fast builds, days rather than weeks to complete. The guys at Flightest have many video’s to help you learn to ropes. This is where I learned the things necessary to construct foamboard planes and flying wings.
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Typically in RC we build from the outside in. When you build a flying wing with very little room inside, you must design from the inside out to create and accommodate the necessary room to place the batteries while using the battery compartment structure as a spar.
Building wingtip washout into a foam board wing as you bend and hot glue it requires a table jig set up at the necessary angle.
Bob
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Originally posted by doctormike View PostYeah, a Horton 229 would have to be built around the EDF's and, I'm afraid, with some sacrifice to scale qualities. Doc
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Flying a wing that moves at 150mph plus is a whole new experience that nothing else will prepare you for. I doubt an edf wing will ever be as fast as a prop wing. None of my edf jets would even come close to catching my wing. I have a Stinger 90mm and even on a 6s 8000mAh it’s a dog compared to the wing. The first few flights on the 3rd version which is the pictured wing, I was shaking like a chihuahua crappin’ razor blades, it’s that fast and it’s here n gone. Plus the stealth aspect of the wing only shape. If you get too far out the best thing to do is pop straight up and do an Immelmann back at yourself. I build washout into the entire aft end of the span, really locks the stability in.
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Originally posted by Ole-Timer View PostFlying a wing that moves at 150mph plus is a whole new experience that nothing else will prepare you for. I doubt an edf wing will ever be as fast as a prop wing. None of my edf jets would even come close to catching my wing. I have a Stinger 90mm and even on a 6s 8000mAh it’s a dog compared to the wing. The first few flights on the 3rd version which is the pictured wing, I was shaking like a chihuahua crappin’ razor blades, it’s that fast and it’s here n gone. Plus the stealth aspect of the wing only shape. If you get too far out the best thing to do is pop straight up and do an Immelmann back at yourself. I build washout into the entire aft end of the span, really locks the stability in.
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I have a vintage projeti , set it up w mega 16/15/3 and a 4.7x4.7 speed prop cc50. This thing rips, easily passes my jets and is crazy stable. Great speed envelope and floats coming in, flying wings perform like nothing else, the cg is critical without a tail. I never tire of flying it.1 Photorc flyin addict
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