Jane's All The World Aircraft 1919

THE WITTEMANN-LEWIS TRACTOR BIPLANE.
  
Type of machine Wittemann-Lewis.
Name or type No. of machine "T. T."
Purpose for which intended Military training.
Span 42 ft. top; 34 ft. bottom plane.
Gap 5 ft. 6 In.
Overall length 27 ft. 2 In.
Maximum height 11 ft. 6 1/2 in.
Chord 5 ft. 6 In.
Total surface of wings 400 sq. ft.
Total area of tail 28.8 sq. ft.
Area of elevators 21.6 sq. ft.
Area of rudder 12 sq. ft.
Area of fin 5.37 sq. ft.
Aran of each aileron & total area 17.44; 38.88 sq. ft.
Engine type and h.p. Hall-Scott, 100 h.p.
Weight of machine empty 1,560 lbs.
Load per sq. ft. 5.41 lbs.
Weight per h.p. 21.6 lbs.
Tank capacity in hours 3.6 hours.
Tank capacity in gallons 36 gallons.
Performance.
   Speed 74 m.p.h. max, 38 m.p.h. min.
   Climb.
   To 3,000 feet in 10 minutes.
   Disposable load apart from fuel 605 lbs.
Total weight of machine loaded 2,165 lbs.