Landscaping

Detailed example of mountain scenery
Planning the background
Choosing the right colors

Bridges

Shallow river bridge
Truss bridge
Open rail bridge

Turntable

The longest turntable on D&RGW was 65'
Dave Burroughs' D&RGW
60' Gallows Turntable (HOn3)


Operating hoppers

All Tyco operating hoppers
Detailing operating hoppers, alternate trip mechanism
Lots of ideas for making hoppers look much older and loading from coal mine. Love the drop-sides added to the hopper.
Weathering hopper cars

Aging the hoppers:

Tipples


Coal Towers

To transfer sand from unloaders back to coal mine, need an auger about 70" long. This could be made from PVC pipe and a stretched spring?
See also: Flexible Screw Conveyor

Design coaling tower to partially drain when loco stops under it. Conveyor then refills tower randomly.


Stock Pens

Details on building a stock pen, including working gates


Flatbeds



Operations

DIY uncoupling magnets built into track ties

Quincy Traveling Crane Construction
Building a Log Loader
Various reference photos

HO

DOuble-slip

HOn3

C-19

Rio Grande 345

Dual-gauge

Dual-gauge track pics

Logging

Woodland Scenics rural sawmill kit: contains the internal workings for a steam-powered sawmill

Equipment and operation of sawmills

Information

Denver & Rio Grande Railroad Coal Train Symbol History
DRGW Locomotive and car rosters
List of Colorado Railroads

Wireless

HC-06 bluetooth module

Ebay 4-pin serial bluetooth transceiver (HC-06)
Connecting serial bluetooth to Teensy
Teensy serial code

Magazine articles

Model Railroad Hobbyist: Mar/Apr 2010
Model Railroad Hobbyist: Aug 2014

Miscelaneous Products

Rusty Stumps Scale Models: HO Scale Castings