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a few pix
Here is a few pix of another custom blunt nose.
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What's with all the spars? Makes mine look weak...
I've cut out the bays using a soldering gun and a piece of metal hanger. It works great! The spars have also been glued in. I cut slots with a dremmel and router attachment. The router bit was the perfect size for the small glass rods. Glued in with white gorilla glue. Next step is to test fit all the components and fit the hatches. I still haven't gotten any servos, so that's holding me up a bit. By the way, heres a link to our website. See the "Test Beds" section for the Ritewing stuff. Both the wing, and the website, are still a work in progress. I'll add a logo soon as well... http://sites.google.com/site/blackbirduav/ |
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Last edited by aero_k; Aug 09, 2010 at 11:23 AM.
Reason: Progress...
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this is going to have a very high payload and will need all the sparing it can get. there are 8 carbonfiber and 8 fiberglass spars.
It will be housing: 1 FPV camera 1 10x zoom camera 2 video Tx. 1 14.8v 5200 Li-po 2 11.1v 5200 Li-po motor ESC radio Rx 9 micro Servos (2 for flaps) approx. 500 .12g airsoft bb's 4 nerf footballs(small) under the wing If all goes well this is what I will be flying. FYI this is for AIRSOFT and will be used as a UAV, Recon, and Bomber... |
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Dear lord! I just built a 58" wing using the bluecor-wing building techniques, and it came in at 600 gram AUW.
I am realizing this is ridiculously light, apparently Wing loading of 4.12 oz/sq.ft. So I am curious what kind of wing loading you are looking at with all that gear on board? |
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ok got the wing built up... and now installing the electronics... Chris, thanks for the info on the program to find the AC, CG, and everything else... It really helped out a lot! I will be uploading the program to my company website soon so that it can be easily accessed for anyone.
Also for the main camera (uav) i am planning on using a lighter version of this https://www.rcgroups.com/forums/atta...mentid=2289457 Tell me what you think! |
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Being lite isnt always good
In this vid below he is flying over mountain tops at a fairly high speeds,at your wingloading you wouldnt even be able to fly up there,and you might not even have enough battery to get up there.
The winds coming up the valley walls and peaks would push you all over the place,in the vid you see the Zephyr getting bounced around prety well. She actually handles the turbulance verry well due to the design and all up weight. If you want an airfoil thats determined by the size and location of the yardstick internal spar ,then bluecore is for you. Ya the zephs have to weigh more because they are usually hauling a few lbs of gear with bats and motor,thats the ony way you can fly where they fly,fly as fast as the fly,fly as stable as they fly. If you put that much gear in a bluecore wing so you could fly the same way then you would have to reinfoce it alot,then I bet by the time you were done your all up weight might be fairly close to the Zeph anyway with no durable characteristcs like the Zeph have. One small mishap of rough landing and the blue core is done . So What I am trying to say is its crazy to even compare blue core to the zeph. Ck
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It gives you a little lighter wing loading, not necessarily easier to hit CG, it gives some more room for gear ,and a little bit more of a nose for camera and stuff.
It wont handle as snappy as the 54''. I guess it kinda depends on what you are looking for. ck |
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Last edited by klique; Aug 24, 2010 at 09:25 PM.
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