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by Bill Shields
Sat Sep 23, 2017 8:17 am
Forum: General Discussion
Topic: Need to drill 1/2 sphere hole in aluminium and/or graphite - 1/2" - 2" diameter
Replies: 8
Views: 110

Re: Need to drill 1/2 sphere hole in aluminium and/or graphite - 1/2" - 2" diameter

If you do not have a radius turner, then a 2" BALL END MILL will get you very close for starters, if not to finish size, depending on the tolerances you require. Not cheap ($160 or so), but will get the job done....

Rough it out with a standard drills of various sizes / depths first.
by Bill Shields
Thu Sep 21, 2017 12:25 pm
Forum: Live Steam
Topic: SHEETMETAL BOILER
Replies: 8
Views: 493

Re: SHEETMETAL BOILER

good...then is not my mind playing trix on me
by Bill Shields
Thu Sep 21, 2017 10:15 am
Forum: Live Steam
Topic: SHEETMETAL BOILER
Replies: 8
Views: 493

Re: SHEETMETAL BOILER

It was not all that long ago that there was a sheet metal brass vertical boiler on the cover of one of our favorite magazines Ten there was (is) the guy who built a pretty good sized boiler for a 7-1/2" gauge loco and calculated that he did not need any stay bolts between the outer wrapper and ...
by Bill Shields
Thu Sep 21, 2017 10:07 am
Forum: Live Steam
Topic: The Chattanooga Choo Choo Hotel
Replies: 10
Views: 1030

Re: The Chattanooga Choo Choo Hotel

get FENDER to act as tour guide....giggle
by Bill Shields
Tue Sep 19, 2017 4:05 pm
Forum: Lathes
Topic: How I Ended up with a Machine Shop
Replies: 10
Views: 464

Re: How I Ended up with a Machine Shop

A fully equipped shop is like being a good engineer (as described by my father). Being a good engineer is knowing what needs to be done and how to do it...which usually means finding the correct person (machine) to do it. Thank God for the internet and making it EASIER to find people to do those thi...
by Bill Shields
Mon Sep 18, 2017 10:00 pm
Forum: Milling Machines
Topic: Milling machine identification
Replies: 10
Views: 319

Re: Milling machine identification

I have one from 'Select' but without the hand wheel Z feed that I purchased in the late 1970's. as described, it is a generic 'made in Taiwan' machine....but is a different color (FWIW) if it needs any parts that are more than basic bearings and / or belts (or a motor)...be careful. The electrics on...
by Bill Shields
Sun Sep 17, 2017 5:24 pm
Forum: General Discussion
Topic: Model Machinist Book?
Replies: 14
Views: 366

Re: Model Machinist Book?

build a BvB pump.....

a large part of being a good machinist is planning your work, so write things down before you make chips.
by Bill Shields
Sun Sep 17, 2017 5:22 pm
Forum: Buy, Sell, Trade, Wanted, Free!
Topic: WTB HEX 5C COLLETS
Replies: 6
Views: 175

Re: WTB HEX 5C COLLETS

it is not a case of junk and / or China or India per se.

it is that I specifically want to purchase something made in USA if at all possible..and do not mind paying a premium if it is necessary

Lyndex makes very good products
by Bill Shields
Sun Sep 17, 2017 7:42 am
Forum: Live Steam
Topic: Coppersmithing a Boiler - Southern Railways Bulleid Pacific
Replies: 43
Views: 8360

Re: Coppersmithing a Boiler - Southern Railways Bulleid Pacific

my gut 'ballpark guess' to building that boiler from copper would be $10k..which would be a reasonable price for the material and labor involved.
by Bill Shields
Sun Sep 17, 2017 7:40 am
Forum: Buy, Sell, Trade, Wanted, Free!
Topic: WTB HEX 5C COLLETS
Replies: 6
Views: 175

Re: WTB HEX 5C COLLETS

yes, but no indication of where they are made.....
by Bill Shields
Sat Sep 16, 2017 7:24 am
Forum: Live Steam
Topic: Coppersmithing a Boiler - Southern Railways Bulleid Pacific
Replies: 43
Views: 8360

Re: Coppersmithing a Boiler - Southern Railways Bulleid Pacific

by multiplying $1000 x 10 -> I had thought - thumb in the air - that a boiler that size, were I to build it for someone, would cost $10K

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