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.

Pick your R number

 

"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'+  

 

 

Pick your diameter/radius

 Diameter 

Feet 

 Radius 

Feet

  LGB 

  Piko   Train-Li    Train Line 45 

Aristo Craft 

USA Trains
42R1R1  4'4'
52-1/2 R2   5' 5'
63 R3R3R2  
6-1/2~3-1/4    6.5' 
84R3R5 R4 R38' 8'
94-1/2    9' 
10  5     10' 10'
10-1/4 ~5 R7    
11-1/2~5-1/2 R4   11.5' 
12-1/26-1/4    12.5' 
147    14' 
157-1/2R5   15' 
168     16'
16.5~8-1/4    16.5' 
2010    20'20'

 

 Link to Piko track planning guide:  https://cdn.shopify.com/s/files/1/1960/4221/files/99350_G-Track_Flyer.pdf?9757276037842777937

 

Link to LGB:

 

Notes:

  • There is no R4 curved track from LGB
  • There is no even numbered curved tracks from Piko

What a mess huh?

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