Engines > From Kits/Castings

2.5" Gauge Green Arrow Build

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stevendavis:
Been working on this project for a little while now. Lost a few months due to an injury, but starting back up. The boiler showed up, made by Western Steam. Cost way more than expected due to the exchange rate and tariffs now imposed on UK products. Boiler looks great though. They did a wonderful job on it. I've also got the crank pins done, and the eccentric for the lubricator. Still have to harden the pins and paint the wheels before I do the clocking.

Kim:
Sorry about the extra expense, but it sure is a pretty-looking boiler!   :ThumbsUp: :popcorn: :popcorn:

Kim

stevendavis:

--- Quote from: Kim on October 22, 2025, 05:02:40 AM ---Sorry about the extra expense, but it sure is a pretty-looking boiler!   :ThumbsUp: :popcorn: :popcorn:

Kim

--- End quote ---

They did a really good job on it for sure.
I'm starting to work on the cylinders some and didn't want to make mistakes, so I poured a test cylinder and steam chest, but after doing some initial machining, it was unusable. I'll probably try again. Looks like some gasses escaped through the sandcore area and up through the port face. I did however make sure my setup was solid to start on the supplied castings.

stevendavis:
One question I do have is with this being a 3 cylinder engine, do all three need to be 120* out from each other? The prints show the leading and trailing at 120, but no detail on the driving. Thanks

crueby:
Had to look up that engine, I never knew they did 3 cylinder locomotives like that. Was that engine unique, or was that a fairly common thing?

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