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Martin PBM- Mariner |
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Aircraft of the U.S. Coast Guard |
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Entwicklung |
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The Martin PBM Mariner was a patrol bomber flying boat of World War II and the early Cold War period. It was designed to complement the Martin PBM Mariner was a patrol bomber flying boat of World War II and the early Cold War period. It was designed to complement the Consolidated PBY Catalina in service. A total of 1,366 were built, with the first example flying on 18 February 1939 and the type entering service in September 1940. In 1937 the Glenn L. Martin Company designed a new twin engined flying boat, the Model 162, to succeed its earlier Martin P3M-. To test the PBM's layout, Martin built a ⅜ scale flying model, the Martin 162A Tadpole Clipper with a crew of one and powered by a single 120 hp Chevrolet engine; this was flown in December 1937. The first genuine PBM, the XPBM-1, flew on 18 February 1939. The aircraft was fitted with five gun turrets, and bomb bays that were in the engine nacelles. The gull wing was of cantilever design, and featured clean aerodynamics with an unbraced twin tail. The PBM-1 was equipped with retractable wing landing floats that were hinged outboard, with single-strut supported floats that retracted inwards to rest beneath the wing. The PBM-3 had fixed floats, and the fuselage was three feet longer than that of the PBM-1. |
Die Martin PBM Mariner war ein Patrouillen-Flugboot während dem Zweiten Weltkriegs und der frühen Zeit des Kalten Krieges. Es wurde ent-wickelt, um die Consolidated PBY Catalina in Dienst zu ergänzen. Insgesamt wurden 1366 Maschinen gebaut und der Typ flog am 18. Februar 1939 zum ersten Mal und wurde im September 1940 in Dienst gestellt. 1937 wurde vonder Glenn L. Martin Company ein neues zweimotorigen Flugboot entworfen, das Modell 162 das auf der früheren Martin P3M- basierte. Im Dezember 1937 wurde ein massstäblich verklei-nertes Exemplar als Modell 162A Tadpole Clip-per mit nur einem Mann Besatzung im Flug getestet. Die erste echte PBM, die XPBM-1, flog am 18. Februar 1939. Das Flugzeug war mit fünf Geschütztürme, und Bombenschächten in den Motorgondeln ausge-stattet. Die Tragflächen des Schulterdeckers wiesen einen deutlichen und charakteristischen Knick im Bereich der Flügelwurzel auf und hatte ein Doppelleitwerk. Die PBM-1 wurde mit einziehbaren Stützschwimmern ausgestattet die nach innen eingezogen werden konnten. Die PBM-3 hatte feste Stützschwimmer und der Rumpf war einen Meter länger als die der PBM-1. |
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PBM-3C |
Improved patrol version with twin 12.7 mm machine guns in nose and dorsal turrets, and single guns in tail turret and waist positions. AN/APS-15 radar in radome behind cockpit; |
PBM-3C |
Verbesserte Patrouillenversion mit doppeln 12,7 mm Maschinen-gewehren im Bug, Rückengeschütz-türmen und einzelnen im Heck und auf der Seite. AN/APS-15 Radar hinter dem Cockpit |
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PBM-5G |
Version with two 2,100 hp Pratt & Whitney R-2800 enginesVersion with two 2,100 hp Pratt & Whitney R-2800 engines. 628 built. |
PBM-5G |
Version mit zwei 2,100 PS Pratt & Whitney R-2800 MotorenVersion mit zwei 2,100 PS Pratt & Whitney R-2800 Motoren |
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Einsatzgeschichte |
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The U.S.Coast Guard acquired 27 Martin PBM-3 aircraft during the first half of 1943. In late 1944, the service acquired 41 PBM-5 models and more were delivered in the latter half of 1945. Ten were still in service in 1955, although all were gone from the active Coast Guard inventory by 1958. |
Die U.S. Coast Guard erwarb 27 Martin PBM-3 Maschinen während der ersten Hälfte des Jahres 1943. Ende 1944 erwarb sie weitere 41 PBM-5 Modelle die in der zweiten Hälfte des Jahres 1945 ausgeliefert wurden. Zehn waren 1955 noch immer im Dienst und wurden 1958 stillgelegt. |
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- | Last update: 31. December 2021 | Writen: 1. December 2012 | - | - | |||||
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