Re: Rotary OO

John West Wrote:
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> I always wondered about 00 gauge....does it really
> exist and who models OO. And is there an OOn3?
> Answering my own question after a Google search, I
> guess OO is more or less the U.K. equivalent of HO
> in the U.S. I wonder why OO and HO diverged so to
> speak, since I guess they are very similar in
> size.
>
> JBWX

HO is 1/87.1 scale and OO is 1/76 scale. Sort of the same thing happened with "G" scale vis-à-vis track gauge. HO is actually "Half O" gauge. (33mm vs 16.5mm).

Robert