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Varney's V-1 motor was the beginning of his HO endeavor. It was small enough to place in an HO scale loco, with enough power to pull a long train. The motors ran on 6 volts direct current, like most designs of that day. Varney first offered the 4-6-2 Pacific and the 2-8-0 Consolidation in the late 1930s and early 1940s.
Kato Precision Railroad Models (関水金属株式会社, Sekisui Kinzoku Kabushikigaisha) is a Japanese manufacturer of model railroad equipment in N and HO scales. Founded in 1957, [1] the Tokyo-based company manufactures models based on Japanese prototypes (such as the Shinkansen bullet train and Cape gauge trains and locomotives) for the Japanese market, North American prototypes for the ...
The diagram on the right shows the wiring of a typical 1:24 or 1:32 slot car setup. Power for the car's motor is carried by metal strips next to the slot, and is picked up by contacts alongside the guide flag (a swiveling blade) under the front of the slot car. The voltage is varied by a resistor in the hand controller.
Scale is the model's measurement as a proportion to the original, while gauge is the measurement between the rails. The size of engines depends on the scale and can vary from 700 mm (27.6 in) tall for the largest rideable live steam scales such as 1:4, down to matchbox size for the smallest: Z-scale (1:220) or T scale (1:450).
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 ...
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For instance, scales of 1.5, 1.6, 2.5, and 3 inches per foot (corresponding to scales of 1:8 to 1:4) have been used on a 7 + 1 ⁄ 2 in (190.5 mm) track gauge. The generally accepted smallest gauge for a live steam locomotive is O scale. Producing smaller-scale models remains problematic, as the laws of physics do not themselves scale: creating ...
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