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At the Fort Smith (AR) Trolley Museum open house on 7/13/14, I demonstrated that it is, in fact, possible to run Lionel Fastrack over a prewar 104 Standard gauge bridge:

(the cars in the foreground?  Why, that's two foot gauge equipment!)

Anyhow, the Fastrack and the 104 weren't what I call 100% compatible...

This can, I believe, be attributed to the fact that the Fastrack isn't matched terribly well to the bridge proper and, in fact, is riding above the deck far enough to cause problems.

I will tackle modifying Fastrack to fit this bridge in a future instalment.  For now, however, what I'm in the process of doing is modifying the existing standard gauge track on the bridge to take regular O gauge trains as well!  How?  Read on!

For each 14" Standard straight you modify, you'll need 1 10" O (not O27) straight:

The reason this stunt works at all is that Lionel Standard and O use the same height rail:

First, dismantle the O gauge section completely.  Since we'll be using the existing Standard gauge third rail, the former third rail will be repurposed into running rails.  Very ecologically sound!

Next, the O gauge ties are clamped to the Standard third rail.  Make sure the insulators are sound and aligned properly.

The original running rails are in place, ready for the third rails to be spliced in.  Note the O gauge tie locations.

The former third rail, having been bisected off camera, is spliced into place and is ready to be trimmed off:

And trimmed to length!

The final step prior to installation is to trim the O scale ties flat, as they'll be down on the bridge deck.

And here's the bridge, ready for customers!

Hope you found this informative and useful!  As I say, I'll be going into Fastrack modification to fit this bridge in a future article; for now, I'll be converting the track on the bridge ramps and getting a couple of O to Fastrack adapters.

Mitch

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Last edited by M. Mitchell Marmel
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Originally Posted by CarGuyZM10:

Looks good! Thanks for the idea!

My pleasure!  As it turns out, the ramp angles and such aren't terribly well suited to the semi-scale postwar locomotives I use (RMT GG-1, EP-5 et cetera) and I get a lot of derailments, but I imagine that the big ol' prewar O locos such as the 252, 253 etc. with their small wheelbases and huge flanges would work just spiffingly!

 

Mitch

Very cool.  This is only the second gauntlet track I recall on this forum, and the only one built for expressly the reason most railroads built them.  

 

I made this five-rail guantlet track using Atlas Flex rail.  This ten-foot section of five rail connects two large reversing loops on my all O-36 uppermost mainline.  I made and like it so much because it let's me avoid using switches at the end of that central ten-foot section.  It is also fun to see how long it takes until visitors say, "Wait a minute . . . !"

Gauntlet track

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Last edited by Lee Willis
Originally Posted by Lee Willis:

Very cool.  This is only the second gauntlet track I recall on this forum, and the only one built for expressly the reason most railroads built them.  

 

I made this five-rail guantlet track using Atlas Flex rail.  This ten-foot section of five rail connects two large reversing loops on my all O-36 uppermost mainline.  I made and like it so much because it let's me avoid using switches at the end of that central ten-foot section.  It is also fun to see how long it takes until visitors say, "Wait a minute . . . !"

Spiffy!  I like it! 

 

Mitch

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