Type | Flying boat | |
Company | Glenn L. Martin Company | |
Scheme | Monoplane High wing | |
Geometry | ||
---|---|---|
Length (m) |
1.9
35.7
88.7
|
|
Height (m) |
0.6
11.7
50.1
|
afloat |
Width (m) |
1.9
4.1
7.7
|
Hull beam |
Wings | ||
Wing area (m2) |
1.1
342.4
925
|
|
Wingspan (Beam) (m) |
0.1
61.0
95
|
|
Weights | ||
Empty weight (kg) |
8
34,279.3
276,800
|
|
Max. takeoff weight (Gross weight) (kg) |
154
74,842.7
575,000
|
|
Loaded weight (kg) |
5
40,823.3
242,500
|
|
Capacity | ||
Crew (per.) |
1
4
112
|
with accommodations for a second relief crew |
Payload (kg) |
23
14,515.0
122,470
|
|
Capacity passengers (per.) |
1
133
400
|
|
Speeds | ||
Max. Speed (km/h) |
25
355.7
28,165
|
|
Сruise Speed (km/h) |
52
305.8
3,087
|
|
Fuel | ||
Fuel Capacity (l) |
23
24,548.3
320,000
|
or 50000 depending on variant |
Power | ||
Total Power (hp) |
0.4
10,000
60,000
|
4 powerplants 2500 hp each |
Performance | ||
Service ceiling (m) |
0.6
4,450
161,544
|
|
Range (Ferry range) (km) |
4
7,958
40,700
|
|
Propellers | ||
Propellers (qt) |
1
4
8
|
|
Prop diameter (m) |
1.8
4.6
5.8
|
|
Prop blade number (qt) |
1
4
8
|
|
Stat | ||
Number built (qt) |
0
7
43,000
|
|
Introduction | 1942 | |
First flight | 23.06.1942 | |
Stop production | 1956 |