Search found 115 matches

by optigman
Sun Sep 06, 2020 11:13 pm
Forum: Live Steam Marketplace
Topic: WTB: Looking for a reflector for Mosley Pyle National Headlight
Replies: 9
Views: 555

Re: WTB: Looking for a reflector for Mosley Pyle National Headlight

Jack Bodenmann can make one for you if you can't track one down.
by optigman
Tue Jul 14, 2020 10:00 pm
Forum: Live Steam
Topic: Bronze vs. Phosphor Bronze Identification
Replies: 13
Views: 2098

Re: Bronze vs. Phosphor Bronze Identification

I would comment but fear my post would be deleted. Censorship is alive and well in the USA.
by optigman
Fri May 29, 2020 11:45 pm
Forum: Live Steam
Topic: gasket material
Replies: 21
Views: 3812

Re: gasket material

We too use soft copper gaskets on certain flange types of high vacuum. Vacuum only has to seal up to atmosphere which is 15psi / 760tor. That being said soft copper works exceptionally for steam sealing although the seal surfaces should be narrow if possible like plumbing seats against the bib washe...
by optigman
Sun Mar 22, 2020 8:41 pm
Forum: Live Steam
Topic: Core Boxes: Why were they usually made before the pattern?
Replies: 9
Views: 2960

Re: Core Boxes: Why were they usually made before the pattern?

Cover core patterns were the most common type that you would build the core box around the pattern and then add the metal thickness to all surfaces in the box. This assured a perfect uniform metal thickness. At this point either the pattern or the core box could be worked to completion. Type of patt...
by optigman
Fri Feb 28, 2020 9:56 pm
Forum: Live Steam
Topic: Looking for input
Replies: 12
Views: 4432

Re: Looking for input

Roger Goldmann of Live Steam Locomotives has a long and short frame Baker gear as well.
by optigman
Fri Feb 21, 2020 1:09 am
Forum: Live Steam
Topic: Eccentric Engineer update
Replies: 2
Views: 1515

Re: Eccentric Engineer update

All the best to you and hoping LA / OC is going to be everything you could want or need in progressing and expanding. Keep up the good work and hope to see you at some of the local steam clubs in the near future. Richard
by optigman
Sun Jan 12, 2020 10:40 pm
Forum: Live Steam
Topic: Laying out rectangular cores on foundry pattern
Replies: 16
Views: 4162

Re: Laying out rectangular cores on foundry pattern

Iron shrink is 1/8" per foot or .010" per inch. Ductile Iron depends on if mold is green sand or hard sand. Hard sand mold ductile iron shrink is 1/16" per foot or .005" per inch. Green sand mold ductile iron make standard rule / no added shrink. Every dimension on the drawing should have shrink app...
by optigman
Wed Jan 08, 2020 8:59 pm
Forum: Live Steam
Topic: Steam Locomotive model drawings
Replies: 65
Views: 20725

Re: Steam Locomotive model drawings

Looks like Roger Goldmann at Live Steam Locomotives and Jim Kreider got omitted from the list of suppliers. Roger offers 4 models. 2-8-0 Consolidation. USRA Pacific. USRA 0-6-0 Switcher. Also the UP Challenger. Jim Kreider is famous for his 2-8-4 Nickel Plate Berkshire.
by optigman
Sat Nov 09, 2019 1:09 am
Forum: Live Steam
Topic: Bagley burner install
Replies: 41
Views: 13749

Re: Bagley burner install

McMaster Carr. Glass. Cutter. Square section o-rings. 1 stop shopping. I like the red lined glass they offer.
by optigman
Wed Nov 06, 2019 9:28 pm
Forum: Live Steam
Topic: Alcalde & Coalfield High Line
Replies: 202
Views: 105886

Re: Alcalde & Coalfield High Line

Not only is Jack an incredible one of a kind Artist / Craftsman. He is one hell of a host and gourmet cook as well. Those who stayed into the evening were treated to BBQ chicken breast, Beef & Chicken Enchiladas, Ambrosia salad and other tasty offerings. After the meal the historic slideshow of Los ...
by optigman
Fri Nov 01, 2019 11:18 pm
Forum: Live Steam
Topic: Bagley burner install
Replies: 41
Views: 13749

Re: Bagley burner install

Not sure how well the spark plug will hold up directly in the path of the flame. Some have success with a tungsten or ceramic rod in the path of the flame. The rod glows red hot and if the fire sucks out the glowing rod immediately re-ignites the hot atomized mixture.