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  #611  
Old 02-01-2016, 06:38 PM
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bhassel bhassel is offline
 
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That looks great! I love those colors.

Bob
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RV-12
Emp/Tailcone - done for now
Wing Kit - Started 9/13/2013 - Both done for now, a few touch up things left for summer
Fwd Lower Fuse - Started 2-12-2014
.....Chapter 23 - completed 04/24/2014



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  #612  
Old 02-26-2017, 06:09 PM
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madmaveric madmaveric is offline
 
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While waiting for the finish kit I brought a 3D printer and got a bit carried away at first printing epic world dominating monsters (albeit a couple of inches tall and made out of orange plastic ) but then looked at doing something for the aircraft that wasn't structural or hard for a first time CAD design.
I made a 57mm panel drilling guide, then a rivet pusher (to help push those rivets in the tighter holes) and finally a step plug (just the fronts, I have left the backs open to allow any moisture to get out).
3D part

Test fitting (one of the first ones I made that didn't fit very well)

And finally painted



*Apologies for the link in the photos, I linked them up from my blog site.
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RV12 empennage, wings and fuse finished, finish kit now under construction.
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Last edited by madmaveric : 02-26-2017 at 06:11 PM.
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  #613  
Old 02-27-2017, 05:36 AM
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magiccarpet magiccarpet is offline
 
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Those caps look great! I wonder if they add a tiny bit of drag compared to when leaving the tubes open?
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Empennage, tailcone, wings and fuselage done
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  #614  
Old 02-27-2017, 06:05 PM
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Steve Melton Steve Melton is online now
 
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Location: Cincinnati, OH
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maybe a bullet nose?
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Cincinnati, OH
RV-9A, Superior O-320, roller lifters, 160HP, WW 200RV, oil pressure = 65 psi, EGT = 1300F, flight hours = 500+ for all

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  #615  
Old 02-28-2017, 04:26 AM
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madmaveric madmaveric is offline
 
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I'm not sure how much drag will be introduced by these but I don't think there would be enough to cause issues.

For all I know I may have reduced overall drag, the drag from the larger surface area of the inside of the tube (plus the turbulence of the interruption where the tubes are welded) being removed vs the smaller surface area of the cap being directly into the wind (I doubt it would be an overall reduction in drag but it would mitigate it a bit :P)

A bullet nose would be more efficient than mine but I couldn't easily put the letters on it.

Alternatively I could remove the steps completely and carry one of these in the back for less weight and no drag .

Painted to match with the RV12 logo on it of course
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