Martin XB-27

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The Martin XB-27 (Martin Model 182) was an aircraft proposed by the Glenn L. Martin Company to fill a strong need in the United States Army Air Corps for a high-altitude medium bomber. Its design was based approximately on that of Martin's own B-26 Marauder. The XB-27 never made it past paper, and no prototypes were built.

Specifications (as designed)

Data from ^{[citation needed]}

General characteristics

Crew: 7
Length: 60 ft 9 in (18.5 m)
Wingspan: 84 ft 0 in (25.6 m)
Height: 20 ft 0 in (6.10 m)
Loaded weight: 33,000 lb (15,000 kg)
Powerplant: 2 × Pratt & Whitney R-2800-9 radial engines, 2,000 hp (1,500 kW) each

Performance (estimated)

Maximum speed: 280 mph (450 km/h)
Range: 2,900 mi (4,600 km)
Service ceiling: 33,500 ft (10,200 m)
Power/mass: 0.12 hp/lb (200 W/kg)

Armament

Guns:
- 3 × .30 in (7.62 mm) machine gun
- 1 × .50 in (12.7 mm) machine gun

Bombs: >4,000 lb (1,800 kg)

References

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USAF Museum

v t e Glenn L. Martin Company and Martin Marietta aircraft

Model numbers	66 67 70 123 130 139 145 146 156 162 166 167 170 179 182 187 190 210 219 223 234 237 247 270 272 316

Airliners	M-130 202 303 404

Attack aircraft	A-15 A-22 A-23 A-30 A-45 AM

Bombers	B-10 B-12 XB-13 XB-14 XB-16 B-26 XB-27 B-33 B-48 XB-51 B-57 XB-68 BM MB

Maritime patrol	PBM P4M P5M P6M

Military transports	C-3 JRM RM

Military trainers	T/TT N2M

Scout/Torpedo bombers	S MS TM T2M T3M T4M T5M T6M

Reconnaissance aircraft	RB-57D RB-57F

Martin Marietta	845 SV-5J X-23 X-24A X-24B

v t e USAAS/USAAC/USAAF/USAF bomber designations 1924–1962

Bomber	B-1 B-2 B-3 B-4 B-5 B-6 B-7 B-8 B-9 B-10 B-11 B-12 B-13 B-14 B-15 B-16 B-17 B-18 B-19 B-20 B-21 B-22 B-23 B-24 B-25 B-26 B-27 B-28 B-29 B-30 B-31 B-32 B-33 B-34 B-35 B-36 B-37 B-38 B-39 B-40 B-41 B-42 B-43 B-44 B-45 B-46 B-47 B-48 B-49 B-50 B-51 B-52 B-53 B-54 B-55 B-56 B-57 B-58 B-59 B-60 B-61 B-62 B-63 B-64 B-65 B-66 B-67 B-68 RB-69 B-70

Light bomber	LB-1 LB-2 LB-3 LB-4 LB-5 LB-6 LB-7 LB-8 LB-9 LB-10 LB-11 LB-12 LB-13 LB-14

Heavy bomber	HB-1 HB-2 HB-3

Long-range bomber	BLR-1 BLR-2 BLR-3

See also: B-20 (redesignation of A-20 in 1948) B-26 (redesignation of A-26 in 1948) SR-71 (designation in bomber sequence) Post-1962 list

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Martin XB-27

Specifications (as designed)

See also

References