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Sweden's Saab B18 bomber1
Saab B18B dive bomber1:
Design
The Saab B18 was originally designed in the late 1930s to be a reconnaissance plane.1 Swedish requirements kept changing so the first Saab-18 didn't appear until 1942.1 These requirements called for the aircraft to be able to do bombing and dive bombing.1
The Saab-18 was of all metal construction.1
Wings
The wings were positioned mid fuselage and were cantilevered.1
Engines
The engines used in the B18A were unlicensed Pratt & Whitney R-1830-S1C3G Twin Wasps.1
Prototype
The first Saab-18 prototype flew on June 19, 1942.1
Production
The first B18B flew on June 10, 1944.1
Production ceased in 1948.1
- Prototypes: 21
- B18A, S18A: 601
- B18B: 1211
- T18B: 621
- Total: 2451
Variants
- B18A: Bomber.1 Entered service in June 1944.1
- B18B: Dive bomber.1 Could carry rockets under the wings.1
- S18A: Photo reconnaissance.1 Equipped with radar.1
- T18B: Was originally to be a torpedo bomber.1 Instead had a 57 mm and two 29 mm cannons in the nose.1
Usage
Flygvapen (Swedish Air Force) units were equipped with the B18s in 1944.1 In 1956 the last Saab-18 was withdrawn from service.1
| Saab B18A1 | Saab B18B1 | |
|---|---|---|
| Type | Reconnaissance bomber1 Dive bomber1 |
Reconnaissance bomber1 Dive bomber1 |
| Crew | 2 - 31 | 2 - 31 |
| Engine (Type) | 2: SFA1 | 2: Daimler-Benz DB 605B1 |
| Cylinders | Radial 141 | Inverted V 121 |
| Cooling | ||
| HP | 1,065 each1 | 1,475 each1 |
| Propeller blades | 3 each1 | 31 |
| Dimensions | ||
| Span | 55' 9.25"1 17 m1 |
55' 9.25"1 17 m1 |
| Length | 43' 5"1 13.23 m1 |
43' 5"1 13.23 m1 |
| Height | 14' 3.25"1 4.35 m1 |
14' 3.25"1 4.35 m1 |
| Wing area | ||
| Weight | ||
| Empty | 12,100 lb1 5,488 kg1 |
|
| Loaded | 17,946 lb1 8,140 kg1 |
|
| Maximum load | 19,400 lb1 8,800 kg1 |
|
| Performance | ||
| Speed | 357 mph1 574 kph1 |
|
| Speed @ 19,685' / 6,000 m |
289 mph1 465 kph1 |
|
| Cruising speed | 258 mph1 415 kph1 |
|
| Climb | ||
| Service ceiling | 26,250'1 8,000 m1 |
32,150'1 9,800 m1 |
| Range | 1,367 miles1 2,200 km1 |
1,616 miles1 2,600 km1 |
| Armament | ||
| Nose | 1: 7.9 mm MG1 | 1: 7.9 mm MG1 |
| Rear cockpit | 1: 13.2 mm MG1 | 1: 13.2 mm MG1 |
| Rear under nose | 1: 13.2 mm MG1 | 1: 13.2 mm MG1 |
| Internal bombs | 3,307 lb1 1,500 kg1 |
3,307 lb1 1,500 kg1 |
Sources:
- Aircraft of WWII, Stewart Wilson, 1998
