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Deerfield and Roundabout Railway
An educational demonstration steam powered 7 and 1/2 inch gauge railway operated by the
Lake Forest Live Steamers Railway Museum Incorporated.

STEAM LOCOMOTIVES: Shay Type

DRRY-Eng-No-9

Deerfield & Roundabout Class A Shay Type Locomotive.
William Michaels, Builder, circa 1965
Patterned after Class A Shay Type Locomotive, Lima Locomotive Works
Acquired by Edward "Bud" Buker, circa 1976.
Image recorded by Brian N. Kurth, 2017.

Rated tractive force (K=0.85)...................... 237 lb.
Weight on drivers divided by rated tractive force.... 3.00
2 Cylinders, diameter and stroke......... 2 in. x 2 1/8 in.
Pinion gear and rim gear tooth count................ 20:40
Drivers, diameter................................ 4 7/8 in.
Weight on front truck.............................. 390 lb.
Weight on rear truck............................... 322 lb.
Weight on drivers.................................. 712 lb.
Total weight of engine............................. 712 lb.
Truck wheel base..................................... 9 in.
Total wheel base........................... 4 ft. 5 5/8 in.
Length over draft faces of couplers............ 6 ft. 3 in.

Fuel............................................ Soft coal
Firebox, length and width................... 11 in. x 6 in.
Grate area.................................... 0.46 sq. ft.
Diameter of boiler, inside maximum .................. 8 in.
Steam pressure...................................... 80 lb.
Track gauge, minimum on tangent unguarded track.. 7 1/2 in.
Outside gauge of flanges........................ 7 7/16 in.
Reverser....... Manual latch lever forward or reverse only
Valves............. Outside admission unbalanced "D" slide
Valve gear.... 2 rotational slip eccentrics, fixed cut-off
Valve & cylinder lubricator.................... Mechanical
Engine brakes....................................... Steam

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