Welcome to the Office of Steam Forum for Model & Toy Steam Gas & Hot Air Engines - Enjoy!
Nicely made.For those of you who need one, here are the plans: https://books.google.ca/books?id=P-MDAAAAMBAJ&pg=PA182&lpg=PA182&dq=elbow+engine+popular+mechanics&source=bl&ots=PWqZroLIP2&sig=ACfU3U2mXq215lm5KmdOwqNn6OQFzObFFA&hl=en&sa=X&ved=2ahUKEwjp-se-0o3hAhWjyoMKHe8tA-gQ6AEwDXoECAgQAQ#v=onepage&q=elbow%20engine%20popular%20mechanics&f=false