rod size

[blackbeard]

what size plastic rod size would you build a roll cage and chassis with in 1/12 scale 

[Bainford]

What is the application? Find out what size the 1:1 tube size is, and divide that by 12.

For instance, if the actual roll cage tube is 2 inches; 2 divided by 12 = .166 or 166 thou. The nearest common rod sizes are 3/16" (.187") for a bit fatter tube, and 5/32 (.156") or 4 mm (.157"), for a bit thinner tube.

For 2.5 inch tube; 2.5 divided by 12 = .208". The nearest common sizes are 7/32" (.218") for a fatter tube, and 5 mm (.197) for a thinner tube.

First though, you need to find the actual size of the tube you wish to replicate.

Edited September 13, 2023 by Bainford

[Ian McLaren]

The typical size tubing used in drag car construction for the main tubes is 1 5/8" which converts to 1.625 Real inches  divide that by 12 and you get a true scale size of  0.135 inches, cross braching is usually 1 1/2"  which is 1.50 divided by 12 = 0.125  1.0 inch tubes are also used occaisionaly 1.0 divided by 12  =   0.083"    hope this helps