Supporting > Boilers
engine fro grandson
zeeprogrammer:
--- Quote from: hammer on March 07, 2013, 07:54:56 PM ---This is just a simple build ...
--- End quote ---
Not for many of us. ;D And certainly not when it's a gift. ;D
Very nice idea.
hammer:
Had a couple hours play today. :lolb: Made and fitted the fire box ( to grand a name really ), along with two mistakes. :facepalm2:
First I cut the shape from a one (UK)gallon can, then I drilled the air holes on the wrong edge. :cussing: I did get over this by riveting a strip of copper across the bottom to save the day. Cut a base from 1/16th M.S. plate soft soldered the two parts together, I find this harder than brazing or silver soldering.
I had fixed the bottom end cap 3/8" up from the end of the boiler tube, so not to have to tap (8 BA) into the joint when fixing the fire box. Tapping the third hole I broke the tap, :cussing: :cussing: the first one ever on my home made tapping stand. Managed to get it out with a centre punch (not a tiny bit proud ether side). Then the hole was to large, but as it was below the cap joint I was able to dress the copper with a small hammer to close it over, saved again. Gave it a coat of BBQ paint on my home made rotating table which uses a motor from an old microwave.
hammer:
A little progress, turned the funnel cap from an odd end of 1" brass. Made the standard from 1/16 stainless plate, (acquired off a coffee machine). Cut & drilled the poet block, silver soldered them together. Never silver soldered stainless to brass before, worked OK. Also turned some plugs so I can pressure test the boiler.
Don1966:
I know somebody's grandson is going to be excited. Great job Hammer you are making it look easy.
Don
mklotz:
--- Quote ---Cut & drilled the poet block, silver soldered them together.
--- End quote ---
"Poet block"? Never heard that term before. What does it mean and what's its origin?
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