1.5" & 1" Scale Crab

Based upon the early 1800's Baltimore and Ohio 0-4-0, the Little Engines Crab is a powerful, east-to-build model that is both inexpensive and unique.  Since 1.5" scale is the most popular, the Crab is an engine that will operate on all 1.5" scale club track and, at the same time, will negotiate a curve as tight as ten feet in a small back yard.  It can pull four adults and carries enough fuel and water for over a mile of hard running.  At 135 pounds, the Crab is easily transported and stored.  It is also possible to convert the Crab to 1 inch scale operation.

The Crab was used by the Baltimore and Ohio Railroad as a short wheel base engine designed to negotiate the tight radius curves on the Baltimore shipping docks.  Most of the Crabs did not have cabs but were open with railings.  We chose to model the less common cab type since we were able to have the cab do double duty as a water tank housing.  It does make an interesting model.  The Crab is not only a good machining project, it is also a fine second engine for those time when there is not time or energy to take that large locomotive out.  The Crab is unique.

SPECIFICATIONS

Length:  22 Inches
Width:  14.5 Inches
Height:  27 Inches
Weight:  135 Pounds
Track Gauge:   4.75", 5", 7.25", 7.5"Bore & Stroke:  1-3/8" x 3"
Drive Wheel Diameter:  4.25"
Fuel:  Coal
Boiler:  8-5/8 Inches Diameter
Minimum Turning Radius:  10 Feet