Hi Mike,
The RS-1 picture you posted looks great, regarding the discussion, I'm guessing you mean this thread:
https://ogrforum.ogaugerr.com/t...-railking-scale-rs-1
Also saw the RS-3 thread:
https://ogrforum.ogaugerr.com/t...as-and-railking-rs-3
Someone referenced another RS-3 thread and mentioned these discussions come up often:
https://ogrforum.ogaugerr.com/t...-quality-rs-3-diesel