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.
DIESEL ELECTRIC LOCOMOTIVES: B-B Type
Deerfield & Roundabout B-B Type Faux Diesel Electric Locomotive, for general purpose service. Buker Locomotive Works, Chicago, Builders No. 3, 1966 Patterned after General Motors Electro Motive Division, Model GP7, circa 1950. Construction completed 1966 by Edward "Bud" Buker. Image recorded and edited by Jeffrey G. Hook, 2010.
Tractive force (30% adhesion)...................... 296 lb. Weight on driving wheels........................... 986 lb. Total weight of engine............................. 986 lb. Electrical energy source..... Lead/sulfuric acid batteries Type of batteries................. 3 cell, 6 volts nominal Number of batteries..................................... 6 Operating voltage DC..................... 36 volts nominal Traction motor controller..... Solid state electronic type Traction motor reverser........... Muti-pole rotary switch
Traction motors............ 1 per truck driving both axles Traction motors.......... DC commutator field winding type Truck wheel base................................ 13 1/2 in. Total wheel base..................................... 5 ft. Length over draft faces of couplers........... 6 ft. 11 in. Track gauge, minimum on tangent unguarded track.. 7 1/2 in. Outside gauge of flanges........................ 7 7/16 in. Engine brakes...................................... Manual Equipped with electronic sound effects system.