Which Micro Engineering track?

Which Micro Engineering track?

Postby ConducTTor » Fri May 01, 2015 8:34 pm

Hey guys, which of the ME flex track is appropriate for TT use? http://www.microengineering.com/products_ft.htm
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Re: Which Micro Engineering track?

Postby Rob M » Fri May 01, 2015 9:50 pm

Is this a trick question? :think:
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Re: Which Micro Engineering track?

Postby Richard-B » Sat May 02, 2015 10:59 am

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Re: Which Micro Engineering track?

Postby ConducTTor » Sat May 02, 2015 2:20 pm

LOL not a trick question. If I remember correctly, N scale track is being used. But then isn't the profile of the track too small for TT?

@Richard, that link goes to an entire page of products.
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Re: Which Micro Engineering track?

Postby Richard-B » Sat May 02, 2015 2:29 pm

ConducTTor wrote:LOL not a trick question. If I remember correctly, N scale track is being used. But then isn't the profile of the track too small for TT?
The profile of N-scale TIES would be too small, and the wrong spacing, for any TT-scale application... even TTn3
@Richard, that link goes to an entire page of products.
My point was: Only the rail is useful...
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Re: Which Micro Engineering track?

Postby ConducTTor » Sat May 02, 2015 2:37 pm

Well that's what I can't get my head around - how can for example HO scale code 70 rail be the same as TT scale code 70 rail?

If the scale didn't matter, why do they have separate HO and N rail? So again, which of their RAIL products is best suited for TT?
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Re: Which Micro Engineering track?

Postby j p » Sat May 02, 2015 2:40 pm

Code has nothing to do with the scale, it is the size of the rail. Code is defined as "the height of the rail in thousandths of an inch"
Tillig use the same rail for H0 and TT, also same Code.
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Re: Which Micro Engineering track?

Postby Richard-B » Sat May 02, 2015 3:03 pm

ConducTTor wrote:<snip> why do they have separate HO and N rail? So again, which of their RAIL products is best suited for TT?
They don't... look again: http://www.microengineering.com/products_rail.htm. For bare rail, it is only listed by code and weathered/un-weathered.

For all Codes used in HO, TT, and N-scale... the model rail is extruded with a profile which only coarsely approximates the prototype AAR rail profiles.

Given that... the modeler's selection criteria is simply rail height; 'Code' is simply the rail height expressed in thousandths of an inch. i.e. Code 55 = 0.055in, Code 70 = 0.070in... etc.

A number of us like Code 55, as it is almost exactly on-scale (0.055 x 120 = 6.6in) for typical 115-lb prototype rail, which is nominally 6-5/8in (6.625in), a good size for all but the newest/high speed rail corridors.
115lb Rail.jpg
115lb Prototype Rail
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Re: Which Micro Engineering track?

Postby Richard-B » Sat May 02, 2015 3:12 pm

Code 40 (0.040 x 120 = 4.8in) is a stand-in for 80-lb prototype rail, which is nominally 5in, useful for branch lines and spur tracks, or early-era modeling
80lb Rail.jpg
80lb prototype rail


Here are the all the modern prototype sizes:
Rail Sections.pdf
Rail Sections / sizes
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Re: Which Micro Engineering track?

Postby ConducTTor » Sat May 02, 2015 3:59 pm

Okey dokey thanks guys. That makes sense now. I feel stupid...oh well, it's not the first time :grin:
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