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The physically largest black-powder model rocket motors are typically F-class, as black powder is very brittle. If a large black-powder motor is the upper stage motor of a rocket that exceeds the maximum recommended takeoff weight, or is dropped or exposed to many heating/cooling cycles (e.g., in a closed vehicle exposed to high heat or a ...
The Heavy Weight (a MGC invention) plastic is the ABS resin mixed with some fine metal (usually zinc or iron) powder that makes it weigh heavier and look less plastic. In 1992, MGC released 'Super Real Heavy Weight' or SRH models which were a lot heavier than the normal HW plastic and so look and feel even more realistic.
A Big Bang Cannon and its box. The Big-Bang Cannon, also known as the Calcium Cannon, is an American toy cannon first manufactured in the early 20th-century. Numerous consumer fireworks injuries [1] convinced a physics professor at Lehigh University in Bethlehem, Pennsylvania to patent a "Gas Gun" in 1907, and the manufacturing of Big-Bang Cannons started in 1912, from the Gas Cannon Company.
Accurate Miniatures is an American manufacturer of scale plastic model kits. It is owned by Collins-Habovick, LLC and is located in Concord, North Carolina , United States. Their products primarily consist plastic model airplane kits from World War II , though they also make model kits of planes and automobiles from other eras.
Gunpowder ("black powder") was the primary propellant before the invention of smokeless powder during the late 19th century. Cannons vary in gauge, effective range, mobility, rate of fire, angle of fire and firepower; different forms of cannon combine and balance these attributes in varying degrees, depending on their intended use on the ...
Contrary to urban legend, an M-80 that contains 3,000 mg of powder is not equivalent to a quarter-stick of dynamite. Dynamite generally contains a stable nitroglycerin -based high explosive, whereas M-80s or any other kind of firecracker contain a low explosive powder, like flash powder or black powder.
Pyro was the leading manufacturer of military "bin toys" in the early 1950s. [4] Bin toys were relatively inexpensive items, usually an assortment of miniature green-plastic "army men", vehicles or accessories, packaged in poly bags, wholesaled in bulk, and sold "grab-bag-style" from large cardboard bins in retail stores.
The 100-ton gun (also known as the Armstrong 100-ton gun) [6] was a british coastal defense gun and is the world's largest black powder cannon. It was a 17.72-inch (450 mm) rifled muzzle-loading (RML) gun made by Elswick Ordnance Company, the armaments division of the British manufacturing company Armstrong Whitworth, owned by William Armstrong.