Black Bear Construction Co., Inc.
Trestle and Bridge Building Supplies for the Model Railroader
Technical Support
   Frequently Asked Questions
   Wood Sizes to Use
   About NBW's
   About Steel Rods
   Bridge Series
   Double Bridge
   Curved Bridges
   The Track Approach
Home  >  Tech Support  >  Wood Sizes to Use  >
Large Scale Conversion Table

Large Scale Conversion Table

Click on the link to see your choices.
Full Size
Inches
20.3:1
Scale
  Full Size
Inches
24:1
Scale
1 0.0493   1 0.0413
2 0.0985   2 0.0833
3 0.1478   3 0.1250
4 0.1970   4 0.1667
5 0.2463   5 0.2083
6 0.2956   6 0.2500
7 0.3448   7 0.2917
8 0.3941   8 0.3333
9 0.4433   9 0.3750
10 0.4926   10 0.4167
11 0.5419   11 0.4583
12 0.5911   12 0.5000

Home  |  Recalls & Upgrades  |  Tech Support  |  Why use Jigs?  |  Ordering Info
Links  |  Photos  |  Contact Black Bear  |  Products/Price Lists

PO Box 26911
Austin, TX 78755-0911
(512) 467-8400 FAX:(512) 458-8765