Gapmaster

Re: Gapmaster

Postby ConducTTor » Sun May 12, 2013 7:52 pm

Tom Dempsey wrote:Sorry for being unclear Alex, I meant the GapMasters being applied to sectional track, they work great with flex.


Well you can just as easily use it on sectional track (unless you're talking about bedding track). Just remove some of the sleepers.
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Re: Gapmaster

Postby WillYart » Mon May 13, 2013 9:11 am

ConducTTor wrote:Good questions ^^^^

Given that the most abundant/available TT track in NA is Tillig I think it makes the most sense if dimensions correlate to that. I'd prefer taking the measurements off of Kuhn or TT Filigran track but again, if TT is to grow we have to make things that would satisfy most people.

I'll commit to 25.


I'll take 25, too. By the way I'm using Tillig track.
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Re: Gapmaster

Postby Bill Dixon » Mon May 13, 2013 12:43 pm

It looks like there is enough interest in this product to get them made.

All we have to decide on is dimensions.

Why did I choose 21" tie spacing, because it is a compromise between 19 1/2" mainline tie spacing and 24" branch line spacing at least for North American track.
24" Spacing is .2" center to center
21" Spacing is .175" center to center.
19 1/5" spacing is 0.1625" center to center.

For reference i would go to: http://www.rta.org/faqs-main
and http://www.trainorders.com/discussion/read.php?1,1698249

As to how thick they should be, I don't know what the thickness of ties on available flex track is.

I chose four ties per Gapmaster so they could be used on modules where the track goes to the very edge.
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Re: Gapmaster

Postby Tom Dempsey » Mon May 13, 2013 3:45 pm

If Tillig is the de facto standard, then all we need is a depth measurement from someone who has some. You can always shim up, but the GapMasters I have on the shelf would be difficult to decrease thickness on as the substrate is some pretty dense and hard material.
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Re: Gapmaster

Postby ConducTTor » Mon May 13, 2013 4:15 pm

I'll measure tonight when I'm at home unless someone else does it first.
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Re: Gapmaster

Postby ConducTTor » Tue May 14, 2013 11:37 pm

Tillig sleepers (sectional and flex track): height = 0.079", width = 0.83", length = 0.081".
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Re: Gapmaster

Postby Bill Dixon » Wed May 15, 2013 3:46 am

ConducTTor wrote:Tillig sleepers (sectional and flex track): height = 0.079", width = 0.83", length = 0.081".

So height = .079" x 120 or 9.48"
Width = .83 x 120 or 8' 3"
and length = .081" x 120 or 9.72". Did you mix up width and length?

Are these correct for European style track; 8'3" long by 9.72" wide or is the Tillig track a bit off scale?

What do North American modelers want?
If you are going to hand lay everything what would work for you?

Is there a compromise set of dimensions that would be close enough for both European and North American track or do we need two types of Gapmaster?
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Re: Gapmaster

Postby Tom Dempsey » Wed May 15, 2013 4:55 am

In other scales, Wayne has manufactured multiple part numbers to match up with various brands of track. My own personal feeling would be that we should match to the most common modern tie size used in North America which would be 7" x 9" x 8'6". If the idea is to re-ignite TT scale modeling of North American prototypes, then shouldn't any new product developed match North American prototype practice rather than European practice?
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Re: Gapmaster

Postby LVG1 » Wed May 15, 2013 10:07 am

Bill Dixon wrote:Are these correct for European style track; 8'3" long by 9.72" wide or is the Tillig track a bit off scale?


Wooden sleepers in Germany are usually 2.6 meters (8' 6 1/3'' / TT: 21.7 mm) long. But that varies a bit depending on era and region. Steel and concrete sleepers are clearly shorter (2.2 m / 7' 2 2/3'' / TT: 18.3 mm).
I don't know what the typical width of them is.
But they are laid in a distance of 0.6 meters (1' 11 2/3'' / TT: 5 mm).
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Re: Gapmaster

Postby ConducTTor » Wed May 15, 2013 1:09 pm

Bill Dixon wrote: Did you mix up width and length?


Doesn't it just depend on which side you're looking at it from? :wink:
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