G scale Sectional Track

 

 Note, the numbers below are APPROXIMATE, not exact, there is variation between manufacturers. Check the exact numbers on the manufacturer's site.

 

"R"
  number  

  LGB diameter 
feet

Piko diameter
feet
Train-Li
diameter feet
Train Line 45
diameter feet
      LGB radius 
feet 
Piko radius
feet 
Train-Li
radius feet
Train Line 45
radius feet
 R1  4' 4'           2'  2'    
 R2  5'     6'        2-1/2'     3'
 R3  8' 6' 6' 8'        4' 3' 3' 4'
 R4 ~11-1/2'    8'          5-3/4'   4'  
 R5  15' 8'   '        7-1/2'

4'

   
R6                      
R7   10-1/4'             5'+    

 

Notes:

There is no R4 curved track from LGB

There is no even numbered curved tracks from Piko

What a mess huh?

Weather Underground PWS KCACARLS78