Approved for Release: 2013/06/25
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Secret NOFORN
Chapter 6
265
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Kelly Johnson’s A-2 Design
Prepared
DATE
LOCKHEED AIRCRAFT CORP.
CALIFORNIA DIVISION
Page
TEMP.
PERM.
NAME
Sept 20, 58
TITLE
Try a Brown Job.
Model
11
Checked
CLJ
Report No.
Approved
Use 10,000# airplane at 135,000' —
Try to eliminate fuselage except for
cockpit & equip. bay
$ \frac{L}{D} = 6.0 $ to 5.5
Wing @ 1.32# — 2,200#
Tail (mod. use) — 600
Engines — 2 @ 800# = 1600
Gear (requick new) — 400
Instruments — 60
Surface controls — 300
Power supply — 200
Electronics — 150
Air Cond. — 250
Oxygen — 50
Subtotal = 5810
16.700'
50 span
75' long
Cockpit & Bay — 1000
Eject seat & gun — 150
Payload — 500
Subtotal = 7460
Fuel system - tanks = 500
7460
Fuel load = 2000#
Range = $ 575 \times 6.0 \times \frac{3.0}{2.10} \times \log_e \frac{10,000}{8000} = 1090 $
*Note: Handwritten annotation "Fuel" under the range calculation.*
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Approved for Release: 2013/06/25