Dennis Thompson is a good friend of mine. I have his book, the “Climax Locomotive”. I spoke to him about building a Class A Climax in 7/8. Using his book as a reference and his drawings,
after considering the design, I decided on a Class B. After research, we found one example of a Class B in a semi enclosed body with a tender. It was a shortline back East somewhere.
So I started my build of a 7/8 scale Class A/B (as Dennis called it, jokingly.
The donor was a Bachmann Climax
And the tender, which had a wooden water tank.