What size are the front bogie wheels on a NYC Hudson? 36”
Per Gerbracht's Know Thy Hudsons, yes, the front truck wheels are 36" in diameter.
Just an opinion, but one thing that looks really nice on a hi-rail steam locomotive is a set of scale wheels of proper diameter on the pilot truck. You'd need flat-top rail and to take turnouts are low speed, though.
It does indeed make a huge difference and you do need to run on a T-rail. Here is a Kline Hudson I did years ago.
Drawing found on this site several years ago.
The drawing is great, I do like good drawings.
Ok, now I have something to look into..
A good looking Hudson Pat.
I do like the look of that, very nice... definitely a worthwhile upgrade.
Slaters (very much “the Old Firm” for this sort of thing in the U.K.) do a 19mm Steel disc wheel in O Gauge, that looks like the first thing to try.
I’ve now sourced a spare pilot so I’ll pay a quick visit to Slaters website and convert the spare pilot when it appears, and see how it develops.