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| Benefiting from early combat experience in World War II, the US Navy drew up its. specification for a new single-seat carrier-based attack aircraft. The Martin Model 210 design proposal gained a contract for two XBTM-1 prototypes, the first being flown initially on 26 August 1944. A cantilever low-wing monoplane with retractable tail-wheel landing gear, powered by a 2237kW Pratt & Whitney XR-4360-4 radial engine, the XBTM-1 was tested successfully and gained a contract for 750 BTM-1 series aircraft. By the time that the first of these was flown, on 16 December 1946, the designation had been changed to AM-1 and the name Mauler selected. World War 11 had also ended, and instead of the planned procurement only 149 AM-1s (excluding prototypes) had been completed when production ended in October 1949. Initial deliveries to an active unit went to Attack Squadron VA-17A on 1 March 1948, but these aircraft saw little first-line service, being transferred to US Navy Reserve squadrons when production ended. The total of 149 built included 17 AM-1Q aircraft completed as ECM (electronic counter-measures) aircraft.
| MODEL | AM-1 "Mauler" |
| CREW | 1 |
| ENGINE | 1 x Wright R-3350-4 Cyclone, 2218kW |
| WEIGHTS |
| Take-off weight | 10608 kg | 23387 lb |
| Empty weight | 6577 kg | 14500 lb |
| DIMENSIONS |
| Wingspan | 15.24 m | 50 ft 0 in |
| Length | 12.55 m | 41 ft 2 in |
| Height | 5.13 m | 17 ft 10 in |
| Wing area | 46.08 m2 | 496.00 sq ft |
| PERFORMANCE |
| Max. speed | 591 km/h | 367 mph |
| Ceiling | 9295 m | 30500 ft |
| Range | 2900 km | 1802 miles |
| ARMAMENT | 4 x 20mm cannons, 2000kg of weapons |
 | A three-view drawing (500 x 381) |
| thawkins, e-mail, 23.09.2007 02:10 Wrong engine!!! This aircraft was powered by th Pratt& Whitney R-4360 engine. reply |
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