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| Minnie TE Long term project |
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| Joe d:
Thanks David, it's good to be back :wave: |
| vtsteam:
--- Quote from: Joe d on October 18, 2015, 11:16:57 PM ---Thanks Kev. Steve: A casting, and a very nice to machine casting indeed. Something in the bronze family, and heaps of machining allowance all around. Joe PS Steve, Don't forget to come up to Windsor next week-end! --- End quote --- Oh it's been heavily circled on the calendar for weeks, Joe. I'll be looking for that hat! |
| Joe d:
Looking forward to it, Steve, it will be nice to put a face to the posts.... After cutting the saddle, finished bringing the various faces of the cylinder down to size as they are referenced from the inside of the arc of the saddle Still have to bring the outside of the saddle down to dimension, and the rounded over outside of the cylinder, but this is purely cosmetic and will wait until I've drilled and milled all the various ports and passages which is next Joe |
| Joe d:
In between some honey-do stuff and a quick trip south to Vermont for the American Precision Museum show, have got a little further on.... Milling the steam ports: drilled them out undersized, and them milled them out with a carbide PCB drill that happened to be the required size the exhaust port was easier, a stock size of cutter, and then drilled a steam passage Milled the pocket on the underside that acts as the "steam dome" a couple more steam passages Brought the outside of the saddle almost to size with some free-hand dial twiddling, cleaned it up afterwards with some filing, then mounted it on a mandrel on the dividing head to bring the curved portion of the cylinder down to size a little cleaning up, and here we are So far so good, just have to make and install the liner for the cylinder, and then a bunch of studs for various bits that get attached.... Joe |
| Joe d:
Got the liner done, Turned and bored: Sawed it off the parent stock, and soldered it into place milled the ends down to final size, and then drilled the steam passages, used a centre-cutting end mill to start the holes, then followed up with the drill Then called it a night.... |
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