Model Railroading - G Scale

up: Model Railroading

G Scale = 1:22.5
G Gauge = 45 mm = 1.77" actual, 39.825" scale

HO Scale track (gauge = 0.65") would be 14.625", so Gn15
HO 33" wheels (diameter = 0.379") would be 8.525"

Bob Roegge's surprisingly low-cost Gn15 "Geneseo Rwy" layout
Gn15 Gas Mechanical Locomotive

Model Railroading - G Scale
electronics - links
software - email
Model Railroading - O Scale
programming tools - arduino
embedded systems
electronics - Z80
Model Railroading - S Scale
software - figure drawing software
Model Railroading - freight docks
electronics - LCD Display - HD44780
software links - embedded systems
microsoft windows - internal stuff
microprocessors
Model Railroading - F Scale
Model Railroading - HO Scale
electronics - etching PC boards
programming - SWEET16

filename:	Model Railroading - G Scale
filename:	Model%20Railroading%20%2D%20G%20Scale
last edit:	October 30 2026 22:47:21 (9 days ago)
ct	= 1794243613.000000 = November 09 2026 17:00:13
ft	= 1793400441.000000 = October 30 2026 22:47:21
dt	= 843172.000000