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The McCulloch Model 170 Arc Welder
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English
Abstract
The McCulloch welder’s weight of 55 lb and output of 170 amp result in hand portability with adequate power for most welding applications. The key elements of its design are a light metal, high-speed, two-stroke cycle gasoline engine and a high frequency, capacitor compensated, inductor alternator.
Features of the single-cylinder engine, the power increasing muffler, and the double diaphragm “pressure” carburetor are described, and the effects of unit weight, rotary inertia, and cylinder compression ratio on cranking effort are noted. In addition, the inductor alternator’s magnetic and electrical circuits are explained and the output characteristics given.
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Citation
Brooks, J. and Jackson, R., "The McCulloch Model 170 Arc Welder," SAE Technical Paper 650719, 1965, https://doi.org/10.4271/650719.Also In
References
- Wieseman, R. W. “Graphical Determination of Magnetic Fields.” Trans. AIEE February 1927 141
- Walker, J. H. “Theory of the Inductor Alternator.” J. IEE, London 89 1942 227
- Walker, J. H. “High Frequency Alternators.” IEE London 93 Part 2 1946 67
- Mandl, A. “Short Circuit and Load Performances of Inductor Type Alternators.” IEE London 94 Part 2 1947 102