Loading gauge: Difference between revisions
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File:EMD FP7 near ElkinsWV byMattReese.jpg|The loading gauge is pretty tight for this EMD FP7 near Elkins, West Virginia. Photo by Matt Reese. | File:EMD FP7 near ElkinsWV byMattReese.jpg|The loading gauge is pretty tight for this EMD FP7 near Elkins, West Virginia. Photo by Matt Reese. | ||
</gallery> | </gallery> | ||
See [https://en.wikipedia.org/wiki/Loading_gauge#North_America AAR Loading Gauges for North America, <i>Wikipedia</i>] | |||
== External Links == | == External Links == | ||
* [https://en.wikipedia.org/wiki/Loading_gauge "Loading gauge", <i>Wikipedia</i>] | |||
* [https://en.wikipedia.org/wiki/Loading_gauge "Loading gauge", <i>Chaski.org</i>] | * [https://en.wikipedia.org/wiki/Loading_gauge "Loading gauge", <i>Chaski.org</i>] | ||
* [http://www.chaski.org/homemachinist/viewtopic.php?f=33&t=103061&p=351142#p351142 "Loading gauge for 1.5 or 1.6 inch scale", <i>Chaski.org</i>] | * [http://www.chaski.org/homemachinist/viewtopic.php?f=33&t=103061&p=351142#p351142 "Loading gauge for 1.5 or 1.6 inch scale", <i>Chaski.org</i>] | ||
* [http://ibls.org/files/drawings/MiniRailStandards1993.pdf "Mini-Rail Tunnel Standard" (PDF)] | * [http://ibls.org/files/drawings/MiniRailStandards1993.pdf "Mini-Rail Tunnel Standard" (PDF)] | ||
* [http://www.trainmtn.org/tmrr/Resources/reports_and_standards/C_Train%20Mountain%20Railroad%20Standards.pdf "Train Mountain Railroad Standards" (PDF)] | * [http://www.trainmtn.org/tmrr/Resources/reports_and_standards/C_Train%20Mountain%20Railroad%20Standards.pdf "Train Mountain Railroad Standards" (PDF)] | ||
* [https://www.jghtech.com/assets/applets/DRRY-Track-Wheel-and-Engineering-Data-and-Drawings-current.pdf Clearance Diagrams for the Deerfield and Roundabout RR] |
Latest revision as of 12:58, 8 February 2019
A loading gauge defines the maximum height and width for railway vehicles and their loads to ensure safe passage through bridges, tunnels and other structures. In the case of live steam operation, the Loading gauge must include clearances for passengers.
MiniRail Standard
The following Loading gauge was published by Mini-Rail Corporation in the late 1980's. The IBLS does not presently provide a Loading gauge standard.
1/2 inch scale | 3/4 inch scale | 1 inch scale | 1.5 inch scale | 3 inch scale | 5 inch scale | |
---|---|---|---|---|---|---|
Passenger Clearance Width-AA | 6 | 30 | 30 | 36 | 48 | 48 |
Foot Bar Clearance Width-BB | ||||||
Engine Overall Width-CC | 6 | 10 | 12 | 18 | 36 | 36 |
Track Clearance Width-DD | 10 | 12 | 15 | 30 | 30 | |
Passenger Clearance Height-EE | 48 | 48 | 48 | 60 | 60 | |
Foot Bar Clearance Height-FF | 1 | 2 | 4 | 10 | 10 | |
Foot Clearance Height-GG | ||||||
Track Clearance Height-HH | 0 | 0 | 2 | 4 | 4 | |
Tunnel Head Clearance Radius-II | 14 | 14 | 18 | 24 | 24 |
Standard vs Narrow Gauge
Vermon Smith provided the following loading gauge.
Prototypes
See AAR Loading Gauges for North America, Wikipedia