what code

Code 100 will be pretty small for O scale. Code 148 is more the norm for O.

I use code 125 for a branch line.  Code 100 would be perfectly reasonable for a switching layout, particularly on the sidings.  However, check the flanges - I run P:48 so flange depth is not a problem.

Mike,

A couple of questions.  What era are you modeling?  Early on the rail was lighter.  It sounds like you've hand-laid rail before so why not try some of your code 100 and see if you like it.  If it works for you who cares what others think.  It's your railroad.

I have a little involvement with code 70, 83, 100, 125, 138 and 148 and I would say, 100 is about the minimum for standard O Scale.  The spikes you use may make a difference also.  The smaller the head the greater chance your flanges will clear spike heads.

Good luck and let us know how it works out.

Jay

Mike

I have laid my short line in code 100 which is the equivalent of 85lb rail found on many short lines around the same era as mine. I use Micro Engineering small spikes with the rail where a tie is spiked sitting on a tie plate. Ties are full profile mainly from Kappler Mill & Lumber Co. I'm in 'standard O' and locos and cars run without any problems. Trust this helps.

Ian

Agree with Ian, above. I've hand-spiked Code 100 rail and built #6 switches with it too; no problems with standard O wheels & flanges. For the pedantic, Code 100 rail from HO track has a rail head that is slightly too narrow, but as the discrepency has to be measured with vernier calipers, to my mind it's not worth worrying about!!

You could always solder to PCB ties as opposed to spiking. This should alleviate any issues you might have with flanges hitting spike heads.

Mike,

I suggest reading the NMRA Recommended Practice - RP-15.1 Rail:

http://www.nmra.org/sites/defa...ndrp/pdf/rp-15.1.pdf

Code 100 should be fine to represent a branch or industrial area.     Note the cautions listed above for spike heads.

Here's a couple of shots of code 100 rail, handlaid, using ME code 100 rail needed for fast tracks jigs.

HO code 100 will not fit the jigs properly but could still be used.

I'm modelling a backwoods logging type operation.

Peter

Nice job, Peter.