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A heat gun comprises a source of heat, usually an electrically heated element or a propane/liquified petroleum gas, a mechanism to move the hot air such as an electric fan, unless gas pressure is sufficient; a nozzle to direct the air, which may be a simple tube pointing in one direction, or specially shaped for purposes such as concentrating the heat on a small area or thawing a pipe but not ...
M6 gun motor carriage, (T21), M7 howitzer motor carriage, (T32) M8 howitzer motor carriage, (T17E1), Scott; M9 gun motor carriage, (T40), M10 gun motor carriage, (T35E1), M11 not used; M12 gun motor carriage, (T6), M13 multiple gun motor carriage; M14 multiple gun motor carriage; M15 multiple gun motor carriage; M16 multiple gun motor carriage
1. Power piston, 2. Cold end of cylinder, 3.Displacer piston 4. Hot end of cylinder Q1. Heat in, Q2. Heat out. A hot air engine [1] (historically called an air engine or caloric engine [2]) is any heat engine that uses the expansion and contraction of air under the influence of a temperature change to convert thermal energy into mechanical work.
The M15 half-track, officially designated M15 Combination Gun Motor Carriage, was a self-propelled anti-aircraft gun on a half-track chassis used by the United States Army during World War II. It was equipped with one 37 millimeter (1.5 in) M1 autocannon and two water-cooled .50 caliber (12.7 mm) M2 Browning heavy machine guns.
The designation for a specific motor looks like C6-3.In this example, the letter (C) represents the total impulse range of the motor, the number (6) before the dash represents the average thrust in newtons, and the number (3) after the dash represents the delay in seconds from propelling charge burnout to the firing of the ejection charge (a gas generator composition, usually black powder ...
Not sure about this construction: "M13 Multiple Gun Motor Carriage (M13 MGMC)" specifically "(M13 MGMC)", I'd suggest reducing to just "M13 Multiple Gun Motor Carriage (MGMC)" as M13 hasn't been abbreviated so there doesn't seem a point to include it inside the parenthesis.
The 105 mm howitzer motor carriage M7 was an American self-propelled artillery vehicle produced during World War II. It was given the service name 105 mm self propelled, Priest by the British Army , due to the pulpit-like machine gun ring, and following on from the Bishop and the contemporary Deacon self-propelled guns.
Equipped with a M115 203 mm (8-inch) howitzer, it was designed to replace the earlier M12 gun motor carriage. Its prototype designation was the T89, but this was changed to the M43 in March 1945. The 41.5-ton vehicles struggled to keep up with mechanized formations, but were successful when employed in more stationary roles.