Aviation of World War II

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AM-1 Mauler

Shipborne attack aircraft


AM-1 Mauler in flight

AM-1 Mauler is a single-seat naval attack aircraft created for the US Navy during World War II. The first flight of the prototype on August 26, 1944.

Structurally, the aircraft was a cantilever monoplane with retractable tricycle landing gear with a tail wheel and a Pratt & Whitney XR-4360-4 radial engine with a capacity of 2237 kW (3000 hp). Air brakes are located on the rear surface of the wing. The weight of the armor protecting the pilot and the oil cooler was 135 kg.

Faced with a host of problems with the fine-tuning of the aircraft, caused mainly by such a powerful engine, Martin was only able to begin deliveries of the first production aircraft by the beginning of 1947. By this time, the naming system had changed in the Navy and the aircraft received its final name - AM-1 Mauler.

In March 1948, the aircraft began operating on the newest aircraft carrier USS Midway.

In addition to the main modification, 17 AM-1Q aircraft were built to jam enemy radars. In addition to the pilot, the crew included an operator of electronic equipment.

The pilots appreciated the new aircraft for its amazing bomb load, but landing the aircraft on an aircraft carrier was not easy, for which Mauler received the nickname "Awful Monster". As a result, the AM-1 Mauler did not stay in service for long and at the end of 1950 would be transferred to the reserve units, where it served until 1953. The main piston attack aircraft of the American fleet was the Douglas XBT2D-1, which by that time had changed its name to AD-1 Skyraider. Of course, it did not have the speed and bomb load comparable to the AM-1 Mauler, but it was much easier to pilot and operate.

Of the 750 vehicles ordered, only 156 were built, including 3 prototypes.

AM-1 Mauler Specification
Crew 1
Wing span, m 15.24
Wing area, m² 46.08
Length, m 12.57
Height, m 5.13
1×PE radial Pratt & Whitney R-4360-4 Wasp Major, h.p. 1×3000
Weight, kg:
Empty 6,920
Loaded weight 1,1674
Maximum speed, km/h 538
Cruising speed, km/h 304
Service ceiling, m 8,200
Service range, km 2,452
Payload, kg 9,300

Armament. Four 20-mm T-31 cannons up to 2041 kg of various bombs and NURS on 15 hardpoints

Photo Description
Drawing JRM-1 Mars Martin Drawing JRM-1 Mars Martin
Martin AM-1 NATC * Martin AM-1 NATC *

* NATC - Naval Air Test Center


  • "Encyclopedia of military engineering" /Aerospace Publising/
  • "American warplanes of World War II" /under cor. David Donald/

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The task of combining a dive bomber and a torpedo bomber in one plane, landing it on the deck, while hanging a record number of bombs on it, turned out to be ultimately insoluble. And although this "Terrible Monster" took off and landed on an aircraft carrier, the lighter "Sky Raiders" that replaced it turned out to be preferable both in piloting and in operation.