The RFP's specification sheet. It reads
Transcontinental & Western Air, Inc.
General Performance Specifications
- Type: All metal trimotored monoplane preferred but
combination structure or biplane would be considered. Main internal structure
must be metal.
- Power: Three engines of 500 to 550 h.p. (Wasps with 10-1
supercharger; 6-1 compression O.K.).
- Weight: Gross (maximum) 14,200 lbs.
- Weight allowance for radio and wing mail bins 350 lbs.
- Weight allowance must also be made for complete instruments,
night flying equipment, fuel capacity for cruising range of 1080 miles at 150
m.p.h., crew of two, at least 12 passengers with comfortable seats and ample
room, and the usual miscellaneous equipment carried on a passenger plane of
this type. Payload should be at least 2,300 lbs. with full equipment and fuel
for maximum range.
|Top speed sea level (minimum)
|Cruising speed sea level - 79% top speed
|Landing speed not more than
|Rate of climb sea level (minimum)
|Service ceiling (minimum)
|Service ceiling any two engines
|This plane, fully loaded, must make satisfactory take-offs
under good control at any TWA airport on any combination of two engines
Kansas City, Missouri.
August 2nd, 1932