Advances in steam mercury engines lift war power gains
The article describes how steam water and wind power reduce fuel and metal needs and highlights the steam mercury turbine. It notes a 33.5 percent coal to electric efficiency and a 37.5 percent efficiency for a 20 000 kilowatt mercury steam plant using 1000 degree steam and 2300 psi. It explains the dual mercury vapor system, potential plant upgrades, and a forecast of hundreds of megawatts added to support war production.
MENTIONED IN THIS ARTICLE
Lionel S. Marks
Harvard University
Society of the Sigma AI
Marks
A. R. Smith
General Electric
Engineering Societies
Schenectady
Smith
Power Wonders: Wind Mills and Turbines Lead The Way
The article highlights the world's largest wind mill with 1300 horsepower output and 175 ft blades, the Kaplan turbine with variable pitch blades for efficiency across loads, and a high power steam turbine driving a 22 500 kilowatt generator. It notes a shift toward efficient, adaptable water power and mentions internal combustion engines' superior efficiency but emphasizes power-to-weight in transport uses.
Wind turbine leads in future power, Vermont windmill sparks hope
The article notes limited gains in engine efficiency with a focus on aviation and automates. It highlights boilers improving to limit chimney heat loss and the steam engine catching up to Diesel. It reports a Vermont mountain windmill producing 1000 kilowatts with two 175 foot blades, variable pitch, and a governor maintaining 30 rpm across 15 to 70 mph winds, as fuel and steel savings for the war effort.
MENTIONED IN THIS ARTICLE
Vermont
Mushrooms Described as Fixed Fountains of Spring Growth
The article explains mushrooms sprout in early spring from last year’s growth, staying underground until warmth and water trigger activity. It notes mushrooms contain a high water content, with 90 percent or more of the cap being liquid, and refers to them as suspended waterfixed fountains.
How To Make a Rock Garden With Flagstone Walks
Experimental Science per You Serving Science Clubs of America explains landscape ideas for home grounds. It covers rock garden design, terrace use, mass planting, and practical concrete flagstone walks with framing, mixing ratios, coloring, and finishing techniques.
MENTIONED IN THIS ARTICLE
Experimental Science
Serving Science Clubs of America
This Newspape
America
How to Get the Most Service From the Kitchen Gas Range
A 1942 Science Service feature explains conserving gas by properly adjusting a kitchen gas range. Clean burners, set air control for blue flame, and boil gently after water reaches a boil to reduce soot and save fuel.
MENTIONED IN THIS ARTICLE
Science Service
New Machines And Gadgets Gadget Bulletin 103 details new tools
A new patented earth scooper separates rocks and dirt for trailer loading and can dig potatoes. Flexible low temperature tubing suits aircrafts, while non metallic shielding uses colloidal graphite on glass tubes. A prehensile screwdriver inserts or extracts small screws without magnets. A pocket cigaret case opens as an easel for cigars. The perfect electric iron auto shuts off in horizontal or moving positions. A dripolator coffee maker handles hot water via the handle with a hinged basket. Send a three cent stamp to Science Service for Gadget Bulletin 103.
MENTIONED IN THIS ARTICLE
Science Service
St. N. W
Washington, D. C
Also Mentioned on This Page
Morton Mott-Smith
By Science Service
Science Clubs of America
Grace
Rte
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