Type | Aircraft | |
Company | Glenn L. Martin Company | |
Scheme | Monoplane Low wing | |
Geometry | ||
---|---|---|
Length (m) |
1.9
21.7
88.7
|
|
Height (m) |
0.6
8.7
50.1
|
|
Wings | ||
Wing area (m2) |
1.1
80.3
925
|
|
Wingspan (Beam) (m) |
0.1
28.4
95
|
|
Weights | ||
Empty weight (kg) |
8
11,378.8
276,800
|
|
Max. takeoff weight (Gross weight) (kg) |
154
18,098.3
575,000
|
|
Capacity | ||
Crew (per.) |
1
2
112
|
|
Speeds | ||
Max. Speed (km/h) |
25
311
28,165
|
at 4300 m |
Сruise Speed (km/h) |
52
286
3,087
|
at 3700 m |
Stall Speed (km/h) |
40
122.3
257.7
|
|
Fuel | ||
Fuel Capacity (l) |
23
5,110
320,000
|
|
Power | ||
Total Power (hp) |
0.4
3,600
60,000
|
2 powerplants 1800 hp each |
Performance | ||
Service ceiling (m) |
0.6
10,058
161,544
|
|
Range (Ferry range) (km) |
4
1,022
40,700
|
36 passengers, baggage and 450 kg cargo, reserves for 320 km plus 45 minutes |
Dynamic Performance | ||
Rate of climb (m/min) |
1.9
660
36,000
|
|
Propellers | ||
Propellers (qt) |
1
2
8
|
|
Prop diameter (m) |
1.8
4.0
5.8
|
|
Prop blade number (qt) |
1
3
8
|
|
Stat | ||
Number built (qt) |
0
47
43,000
|
|
Introduction | 1946 | |
First flight | 22.11.1946 | |
Stop production | 1975 |