2" Minnie Traction Engine

Started by packmule · 65 replies · 54,687 views

packmule
Reply #61 · 22 Sept 2026, 12:44
Hi all,
        still here ploding away at my minnie. i've been busy making some of the smaller parts to try to get ready for a steam test. All parts are as per the book and I encountered no problems. I have changed the damper slightly in that  I've done away with all the bending on the rod as shown in the book and soldered a small rod on the door with a extentsion to go direct to the hornplate using a straight rod and fitted two small caps the the end od the hinge.
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packmule
Reply #63 · 28 Sept 2026, 14:07
Hi everyone,

I've been looking at the standoff's for the water gauge and would value your opinions. If i double up from the drawing they become 3/4" thick  :???:This seems to me to be way too much. What would you suggest ?

Cheers Bob
Jasonb
Reply #64 · 28 Sept 2026, 15:34
If you are talking about the top and bottom fittings then doubling it all up will be a bit much. I'd go with 6mm glass and proportion everything to suit that, so 1/2" or 9/16" at the flange where they screw in, depending on what size thread you went with in the boiler as you want some area for a flat copper washer.
packmule
Reply #65 · 29 Sept 2026, 08:12
Thanks for your reply Jason.

that would make more sense instead of a big chunk sticking out of the backhead. I think this is the first part Ive come across where doubling up look completely out of proportion.

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