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HO scale feet, mile

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  • Member since
    June, 2010
  • From: New Bern North Carolina
  • 113 posts
HO scale feet, mile
Posted by nickyb on Saturday, September 02, 2017 2:55 PM

A friend and I were building roads today on me layout.. A small controversy came up in ref to feet and miles in HO scale.. I used the conversion factor of approx 87.1/1 which puts me approx .137772675 if 12" being 1. then I multiplied that by 5280.00 which is feet in a given mile. If you do this a scale mile = 60.166" My friend used a convesion chart. We both came up with different answers. The objective was to locate a "W" whistle sign before a crossing. I'm a stickler for my R.R. being to scale and right. 

NickyB

  • Member since
    December, 2001
  • From: Northern CA Bay Area
  • 3,535 posts
Posted by cuyama on Saturday, September 02, 2017 3:27 PM

nickyb
If you do this a scale mile = 60.166"

That's a small error somewhere (and a convoluted way to reach the value). 5280' divided by 87.1 = 60.61998 feet for a scale mile in HO.

nickyb
I'm a stickler for my R.R. being to scale and right. 

What radius curves are you using? How long are your trains?

nickyb
The objective was to locate a "W" whistle sign before a crossing.

This varied from railroad to railroad and by location, but in many cases this was about 1400 feet in real life. Converted to HO scale, that would be about 16 actual feet from whistle post to the crossing on your layout. Unless your layout is exceptionally large, compression of distances is your friend.

  • Member since
    June, 2010
  • From: New Bern North Carolina
  • 113 posts
Posted by nickyb on Saturday, September 02, 2017 3:35 PM

Exactly Cuyama, The actual scale feet is a bit much I know but like all other things to you have to make excemptions and move on I guess... I explained to my friend My R.R. my whisle sign I put it in then we went and had a beer and startd watching some Baseball.  He liked that 

NickyB

  • Member since
    January, 2017
  • From: Southern Florida Gulf Coast
  • 729 posts
Posted by SeeYou190 on Sunday, September 03, 2017 6:34 PM

I support selective compression.

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My whistle posts are always right next to the crossing.

.

-Kevin

.

Happily modeling the STRATTON & GILLETTE RAILROAD located in a world of plausible nonsense set in August, 1954.

  • Member since
    May, 2008
  • From: Miles City, Montana
  • 1,030 posts
Posted by FRRYKid on Monday, September 04, 2017 11:59 PM

I think it has been discussed frequently in MR, but the concept of the "smile" comes to mind. I think it stands for "short mile." Factor is something like 5 miles actual to 1 mile on layout.

"The only stupid question is the unasked question."

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