Track width anomaly

[bryantc]

It appears that the track widths are not to scale. In TR2006 using 00 gauge the track measures approximately 27% too big, which makes a layout much too crowded.
Am I correct or missing something ? If I am right, can anything be done about it ?
If not I plan to just increase the layout dimensions to compensate.

 

[NikkiA]

It appears that the track widths are not to scale. In TR2006 using 00 gauge the track measures approximately 27% too big, which makes a layout much too crowded.
Am I correct or missing something ? If I am right, can anything be done about it ?
If not I plan to just increase the layout dimensions to compensate.

Try HO scale instead, this may well be a case of the old 1:76 vs 1:87 'bug' with OO scale (althouhg 27% sounds too big a discrepancy). Of course, that means that the bodies of the rolling stock will be wrong and 'out of gauge' but you're always going to run into that with modelling OO scale from accurate prototype based models.

Unless you're actually prototyping a OO/HO layout, you probably don't want to use any scale other than 'real'.

 

[bryantc]

Thanks for your input.
The 27% applies through all the gauges as well as "real".
MP Wood track measures about 5' 8'' as against the 00 equivalent of 4' 1 1/2", which is where I get the 27% from.

 

[NikkiA]

Thanks for your input.
The 27% applies through all the gauges as well as "real".
MP Wood track measures about 5' 8'' as against the 00 equivalent of 4' 1 1/2", which is where I get the 27% from.

Standard gauge should be 4'8.5"...

So we're looking at a discrepancy of 1.72m instead of 1.43m, which would be about 20% oversized. Still more than the 14% I'd expect from it being a symptom of the OO/HO gauge mismatch of OO scale, but not quite so massively. I'd still recommend using trainz in HO scale if you want to prototype-model a OO layout, or 'real' scale for anything else.

 

[bryantc]

Hi Nikki
All my measurements were taken in "real'', as it is impossible to get accurate figures using either 00 or H0, so the anomaly is not related to 00 versus HO.
Checked some other items.
Station A2 250' is actually 285' about 14%
'' 300 '' '' 340 '' 12%
'' 400 '' '' 440 '' 10%
Fixed Track 10m = 32.8' is 35.8 10%
'' '' 100m =328' is 336' minimal

 

[whitepass]

The only thing the OO or HO dose in Trainz is change the markings on the rulers.

 

[RPearson]

If you are using the rulers in surveyor and you have selected imperial units for the route there is a known error but it is only 1.6%. Apparently early in the game Auran decided to use 40 in / meter when they converted the ruler scale. Maybe they handed the job off to one of the graphic artists. Internally the game works exclusively in metric (real full size) and conversion in and out in other areas is more accurate.

Your measurement of the 100m fixed track is in the ball park for that error as it's on the order of 2.4%. I'd suggest the difference is due to how you picked the start and end points of the measurement. I find that using the rulers is difficult but typically I put the tip of the cursor right on the point I want to measure from/to. TRS2006 doesn't let you zoom in for closeups either. With TS12 you can now zoom in more than you need to.

I've just tried it again in TRS2006 and the 100m fixed track measures 100m. If I switch the route to imperial units it changes to 333.3 feet. That's an error of 1.6% as I noted.

I can't explain your other measurements but I've never seen errors like that when I've measured content I've known was made correctly. Of course content is made by humans and accuracy varies all over the place between just eyeballing it in to inputting actual dimensions.

Bob Pearson

PS I don't know the accuracy of the other scales on the rulers in surveyor. Though I suspect the same error shows up between metric and imperial display. edited

 

[Pencil42]

If you are using the rulers in surveyor and you have selected imperial units for the route there is a known error but it is only 1.6%.

Hi Bob,

I believe that bug was fixed in TC3 or TS2009, I don't remember which anymore.

Curtis