Tad's scratch built Forney based on SR&RL #1.  In "Hints for Building a Steam Locomotive" Issue #7 (Aug 1986)
 and Issue #8 (Jan 1987) of Maine 2 Foot Modeler (M2FM) Tad described how he went about constructing
Moody River #1.

A side view of Mood River #1.

The underside of Moody River #1, showing basic detail and pickup.