There's nothing more cost effective than a treated wood tie, especially for light loads like you're talking about.
Best option: Used ties. Your biggest cost will be transportation.
SRK
Jim Lundquist Wrote:
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> We are creating a new exhibit at the Campo
> Railroad Park & Museum. It will feature a 24 inch
> gauge mine train and explore California History:
> Railroads, Mining and Argiculture. Tghe heavest
> locomotive is 5000 punds over two axles.
>
> I'm not sure if this is the appropriate forum to
> explore this question - if not, please suggest a
> different one.
>
> I would like to keep maintenance of the 24 inch
> gauge tracks to a minimum. I'm considering
> alternatives to wooden ties. I have steel fence
> posts upon which I could either bolts the 10-20
> pund rails or weld them. I could also lay a
> continiuos grade beam and bolt down rails. I
> could use plastic wood. Does anyone have any
> suggestions, alternatives, comments on any of
> these ideas?
>
> Thank you.
>
> Jim
> [attachment 54719 18-03-30DAPdepotset.jpeg]