Stoking the steam, one engine at a time…
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"S.T."
ENGINE AND BOILER.
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THE ENGINE (7/16-in. bore; 7/16-in. stroke) is just as carefully made as our bigger engines, and is a great favourite for driving Meccano and other toys. It is extraordinarily powerful, though it is not big enough to drive a dynamo.
The cylinder is double-acting, it and the standard are cast in gunmetal. The crankshaft, disc, and crankpin are in one piece of solid steel. The engine can with the aid of the very clear and simple instructions be built by the youngest beginner.
With such accuracy are the parts made, that we guarantee the engine will work well. If there is any difficulty, send the engine to us, we will gladly give assistance. Overall dimensions, 2-ins. long x 1-in wide x 3-ins. high.
THE BOILER. 1 3/4-ins. dicm., 5 1/2-ins. long, is of solid drawn copper, brazed throughout and tested to many times the working pressure. It is provided with a reliable "pop" safety valve, a safe spirit lamp and polished copper funnel, overall dimensions 5 1/2-ins. x 2 1/4-ins. x 4 1/2-ins.high. Working pressure 30-lbs.
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"S.T. STEAM PLANT.
The most powerful and efficient complete Steam Plant on the British market.
Many Plants have been working for thee or four years, and are still as powerful as ever.
A complete plant, engine and boiler mounted on fire-proof base 9-ins. x 3 1/2-ins.
Painted and Tested, 17/6 Post free.
Foreign Orders should include Postage for 3-lbs.
Fire-proof Base, 2/- Post Free.
This small beginners engine is different from the other steam engines in that it is an oscilating engine. The standard is made of bronze and the valve face is machined on the top. The cylinder is mounted to the standard by a sprung loaded pivot. The piston connected to the crank disc pivots the cylinder as the crank rotates. The steam is connected to the cylinder by two pairs of holes drilled into the standard. Each pair lines up with holes on the cylinder when it is pivoted to the two extremes. Each pair is connected to push the piston up or down. A very simple engine to build, available sepertely, with a boiler or as part of a complete plant mounted on a fireproof base. (probably asbestos) The boiler is fueled by a methelyated spirits burner and will very quickly run this small boiler up to pressure. This model is ideal for running small boats via running gear available from stuart seperately.
S.T. Twin. In 1934 a twin cylinder model was introduced with a new standard duplicating the single standard in the form of a V shape at 90 degrees. A new steam inlet is mounted in between the two cylinders and incorporates a simple reversing mechanism and control lever. both cylinders are connected to the single crank disk.
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