Stewart S-51 Aircraft Specifications

Descriptive Data:

Number of Seats:  2 (tandem)
Width: 26 ft, 9 in
Length: 22 ft, 4 in
Height: 9 ft, 4 in
Wing Area: 123 sq. ft.
Washout: 1.5 degrees

Weight:

Empty Weight: 2400 lbs
Gross Weight: 3500 lbs
Maximum Baggage Weight: 100 lbs

Fuel Capacity:

Standard Tanks:
Total Capacity: 68 gallons
Total Capacity Each Tank: 34 gallons

Long Range Tanks:
Total Capacity: 138 gallons
Total Capacity Each Standard Tank: 34 gallons
Total Capacity Each L.R. Tank: 35 gallons

External (Drop) Tanks:
Total Capacity: 50 gallons
Total Capacity Each Tank: 25 gallons

Specific Loading:

Wing Loading: 28.4 lbs / sq. ft. @ 3500 lbs
Power Loading: 5.8 lbs / h.p. @ 3500 lbs

Speed Limitations:

Never Exceed Speed (Vne): 320 knots
Max Speed – Normal Ops (Vno): 250 knots
Speed – Maximum Gust Intensity (Vb): 150 – 190 knots
Cruise Speed (Vc): 210 knots
Maneuvering Speed (Va): 134 knots
Max Flap Extend Speed (Vfe): 130 knots
Max Landing Gear Extend Speed (Vle): 150 knots
Stall Speed (Vs):  65 knots – 0° Flap
Stall Speed – Landing Config (Vso): 61 knots – 40° Flaps

Weight and Balance:

Leveling:
Longitudinal: Spar – Upper Fuselage
Transverse: Canopy Rails

Center of Gravity Limits:
Forward: 83.2 inches
Rear: 92.5 inches