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Bowman E101


This is the wooden based version of the M101

The brass boiler is a massive 6" long by 3" diameter with a water capacity of about a pint at the overflow plug. The traditional single acting oscillating cylinder is 3/8" dia. x 1" stroke. The cylinder is totally enclosed by a fixed brass cover which makes it look much bigger (over 1" dia. x 2 1/4" long). The slotted piston is lubricated by a drip feed lubricator mounted over the end of the cylinder. Attached to the crank shaft is a heavy brass flywheel, 2 3/4" dia. x 3/4", and a 12 tooth gear wheel, approx 1/2" dia. This engages an 84 tooth gear wheel nearly 3" dia. on the second shaft. Both shafts carry pulleys of about 1/2" dia. and the end of the second shaft is turned down to 5/32" dia. to fit standard Meccano parts.

The un-superheated feed from the boiler is taken via an in-line throttle to the cylinder and the exhaust is fed to the bottom of a 9" high chimney. The meths burner is a typical Bowman style but extra large with a brass tank 3" dia. by 1 1/4" high (holding 1/6 pint of meths!). Sticking out from this tank is a brass tube 4" long x 5/16" diameter, slotted along its length and containing the wick. When lit, the flame extends along the full length of the slot, which is almost the full length of the boiler. The wooden base is 11" by 8 1/2".

The engine is in reasonably good condition for it's age. The paintwork on the base is not good but otherwise the paintwork is in good condition and, apparently original.

Make Bowman
Model E101
Made 1928-31
Description Stationary
Cylinders 1
Cylinder Type single acting
Piston Diam mm 9.5
Stroke mm 25.4
Valve Type Oscillating Cylinder
Boiler Type Horizontal
Fuel Meths
Mechanical Condition Good
Cosmetic Condition Fair
Paintwork Original?
Packaging Wooden box (lid missing)
Purchased 6/9/2016
Purchase cost 200
Additional spend