The Martin XLB-4 was a 1920s proposal for a light bomber by the Glenn L. Martin Company. It would have been a biplane bomber of all-metal construction powered by two Pratt and Whitney R-1690 Hornet radial engines. The United States Army Air Corps ordered a single prototype with the serial 27-332, but the aircraft was cancelled because Air Corps leadership was lukewarm about experimenting with all-metal aircraft. Estimated figures give a crew of five, a length of 44 feet 8 inches, a wingspan of 76 feet and a gross weight of 11,982 pounds, so it survives as a design that was ordered but never built.
Facts
Engine Class Comparison
Body StyleAircraft (no road body style) 1 Connections
Exemplifies
Source Martin XLB-4 (Wikipedia)
Of Make
Source Martin XLB-4 (Wikipedia)
In the Other Atlases
Manufactured By
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Source Martin XLB-4 (Wikipedia)LeadQuote, Lead
was a 1920s proposal for a light bomber by the Glenn L. Martin Company
Originated In
Also in Geography Atlas: where this subject originated.
Source Martin XLB-4 (Wikipedia)Lead, country of originQuote, Lead, country of origin
The United States Army Air Corps (USAAC) ordered a single prototype serialled 27-332
Sources
1. Martin XLB-4 (Wikipedia)
Design and development
the aircraft was cancelled because the USAAC leadership was lukewarm about experimenting with all-metal aircraft
Specifications (XLB-4 estimated)
2 × Pratt & Whitney R-1690 Hornet 9-cylinder air-cooled radial piston engines
Lead
was a 1920s proposal for a light bomber by the Glenn L. Martin Company
Lead, country of origin
The United States Army Air Corps (USAAC) ordered a single prototype serialled 27-332
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