Completing the Aircraft Illustration

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Completing the Aircraft Illustration - page 1
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I went digging through my archives and came up with these C-47 photos from Vietnam. They are provided for interest only and probably have little value.

C-47 fuselage interior. Looking forward to the cockpit door.
c47-morris.jpg (30125 bytes)

Ye old Sgt. Johnny Morris and the Roadrunner.

Cockpit (the fellow looking out the window was our aircraft commander Col. Palmer).
sgtmorris.jpg (18542 bytes)

Me again and those really were tube radios (which is why they needed a radio operator.

Back to business. When we left off last month you were ready to start the wings. Here are the numbers you will need:
C-47 Wing Butt Lines (These begin new at Fuselage Butt Line 142.00

0.000	89.500	179.000	268.500	340.100	413.000
17.900	107.400	196.900	286.400	353.000	428.000
35.800	125.300	214.800	304.300	368.000
53.700	143.200	232.700	322.200	383.000
71.600	161.100	250.600	338.200	398.000

Ok, here comes a problem. Notice that the wing is flat out to the engine but then it angles up a bit. This is called Dihedral and is a common AC design feature. To plot this we need a new set of numbers for the wing water lines. Guess what? I’ll have to approximate. First the flat portion:
At FBL 0.000 and Station 195.5 to 372.5 WL 115.00
At FBL 142.00 and Station 195.5 to 372.5 WL 115.00 (The engine mounts centered on FBL 111.00).
Now the Dihedral; At WBL 413.000 and Station 312.5 to 360.0, WL 160.00.

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