SEL 1520

This is an SEL 1520 model steam engine, probably dating from late 1950’s. It is a very small, single oscillating cylinder engine, manufactured in England by J L Randall, but sold under the “Signalling Engineers Ltd” or “SEL brand“.  It is currently our smallest engine.

Photographs

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Technical Information

• Base Colour: green
• Base Material: painted steel
• Base Meccano Compatible: no
• Boiler Diameter: 38.1 mm
• Boiler Length: 69 mm
• Boiler Material: brass
• Boiler Pressure (working): 1 bar, 1 bar
• Boiler Volume (absolute): 78 ml
• Burner Capacity: 12 ml
• Burner Depth: 26 mm
• Burner Type: methylated spirit with wick
• Burner Width: 37.5 mm
• Chimney: none
• Country of Origin: England
• Flywheel Diameter (original): 43.7 mm
• Flywheel Mass (original): 28 grams
• Manufacturer: J L Randall Ltd
• Model: 1320
• Overall Dry Mass (unmodified): 282 grams
• Overall Height: 113 mm
• Overall Length: 90 mm
• Overall Width: 85 mm
• Piston Bore: 5.56 mm
• Piston Stroke: 10.16 mm
• Tube Diameter: 3.28 mm
• Tube Material: brass
• Water Level Indication: none
• Whistle: none
• Year of Manufacturer: late 1950s