#1
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Zuni RBG build
Thought it might be interesting to see what could be done with the wing from an ArtHobby Zuni-V R/c glider.
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#2
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Mock-up
Design Features:
Added about 10 degrees wing sweep on trailing edge to get C.G to work out. Inverted V-tail for exhaust clearance and proverse yaw. Twin booms to allow use of an electric motor with pusher propellor instead of a rocket motor. Pull/pull control wires to the ruddervators. Will use an AeroTech E6-RCT motor. Last edited by FlyBack : 04-29-2009 at 10:35 PM. |
#3
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Contstruction so far
Construction progress so far...
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#4
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Excellent! This is what we like to see, a nice photo progress report of a project.
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Scott D. Hansen Ye Olde Rocket Shoppe - Your One Stop BAR Shoppe! Ye Olde Rocket Plans - OOP Rocket Plans From 38 Companies! Ye Olde Rocket Forum WOOSH NAR Section #558 |
#5
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Thanks Scott... will update as I get further along.
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#6
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flyback, looks great. Can't wait to see more.
terry dean
__________________
"Old Rocketeer's don't die; they just go OOP".....unless you 3D print them. |
#7
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Update
Quote:
Finally. Now that construction of my BlackStar model is completed, I have a bare workbench. I've decided to resume work on this design, instead of moving on to Config 2 of the BlackStar (have to finish CAD drawings of Config 1 first). Latest construction photos attached below. More to come later this week. Regards, DJ Miller Last edited by FlyBack : 02-22-2011 at 09:16 PM. Reason: Resumed work on it |
#8
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Specs
For the engineers out there:
Here are the preliminary specifications. Latest photos added to post #7 above. Preliminary Specs: Wing Root Chord (A): 6.0 Wing Tip Chord (B): 4.375 Wing Sweep Distance (S): 5.375 Wing Half Span (Y): 21.75 Stabiliser Root Chord (AA): 5.5 Stabiliser Tip Chord (BB): 3.625 Stabiliser Sweep Distance (SS): 2.875 Stabiliser Half Span (YY): 6.0 Distance between both LE's (D): 17 Static Margin 12.5 % Mean Aerodynamic Chord MAC = 5.23 Sweep Distance at MAC (C) = 2.55 From Root Chord to MAC (d) = 10.31 From Wing Root LE to AC = 3.85 From Wing Root LE to NP = 5.63 From Wing Root LE to CG = 4.98 Wing Area = 225.7 Stabiliser Area = 54.8 Wing Aspect Ratio = 8.39 Tail Volume Ratio, Vbar = 0.73 Aircraft Weight (estimated) : 12.7 ounces Max Lift Coefficient : 1.0 WING LOADING : 7.85 oz/sq.ft CUBIC LOADING : 6.27 oz/cubic.ft STALL SPEED : 13.9 mph FlyBack Last edited by FlyBack : 02-23-2011 at 09:59 PM. Reason: Added dimension drawing |
#9
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A very nice looking boost glider. You have really got a flair with design. How much will you have to reduce the elevators at the vertex so they do not foul each other on down?
I recall seeing a Zuni with a 24mm mount located just at the dihedral break with a slight tail high configuration to allow the exhaust to clear the V tail. I think the tail was also finished in matte black to further reduce the cleanliness issues.
__________________
Gravity is a harsh mistress SAM 002 NAR 91005 "The complexity of living is eminently favored to the simplicity of not." |
#10
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Fuselage Sides
Quote:
Thanks, The clearance on the ruddervators is about a 1/2 inch. I used 3/16 inch balsa for the side pieces. They were preformed by first soaking in an amonia/water mix then taping in place. After 24 hrs they take on a permanent set. The corner strips will be done the same way. Regards, FlyBack |
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