Search found 367 matches

by B&OBob
Sun Aug 07, 2022 9:54 am
Forum: Live Steam
Topic: Miniature Locomotive Outtakes
Replies: 14
Views: 10965

Re: Miniature Locomotive Outtakes

Thank you so much, Dick, for locating and re-posting the former YouTube video. Referring briefly to previous comments about Now vs. Then , another striking difference noted from those earlier days is the engineer's bare hands! I am from the wonderful era of that video, and we never wore gloves then ...
by B&OBob
Sat May 28, 2022 1:08 pm
Forum: Live Steam
Topic: Newbie question about materials
Replies: 8
Views: 3728

Re: Newbie question about materials

I have had excellent service from OnLine Metals for both large and small sections of cut-to-size stock in a variety of metals and plastics. If you use that company, buy as much of what you need at one time to save shipping cost, possibly even duplicating some actual requirements to allow for the ine...
by B&OBob
Mon Feb 07, 2022 11:11 am
Forum: Live Steam
Topic: Copper Tube Issues
Replies: 11
Views: 4193

Re: Copper Tube Issues

In a similar situation more than fifty years ago, before stainless steel tube was widely available to hobbyists, my father wrapped his copper blower tube with heavy wire for protection against erosion by cinders - as mmentioned by Bill. Use of S/S obviates that precaution now.

B&OBob
by B&OBob
Thu Dec 23, 2021 1:35 pm
Forum: Live Steam
Topic: Interchangeable Valve Gear
Replies: 5
Views: 2894

Re: Interchangeable Valve Gear

The Piliod Company, of which Abner Baker was Vice President, was patent holder and marketinmg agent for the Baker Valve Gear. Originally invented for use on traction engines, Pilliod exploited the basic design for a limited variety of "bolt-on" products to accommodate a wide range of valve...
by B&OBob
Tue Dec 07, 2021 1:10 pm
Forum: Live Steam
Topic: Newbie looking for sources
Replies: 18
Views: 7149

Re: Newbie looking for sources

Here we go again.

B&OBob
by B&OBob
Fri Aug 13, 2021 10:19 am
Forum: Live Steam
Topic: Firetube Boiler Project - Leak Troubles
Replies: 57
Views: 24375

Re: Firetube Boiler Project - Leak Troubles

II have been following this thread from its introduction but was not able until now to make a comment. Without getting into what do do about your current predicament, perhaps a suggestion might help avoid it in the future. I was taken by an ititial statement regarding the rate at which the boiler wa...
by B&OBob
Mon Aug 02, 2021 2:54 pm
Forum: Live Steam
Topic: Steam chest pressure.
Replies: 14
Views: 10908

Re: Steam chest pressure.

Hi David -- Your suspicion about the efficacy of the original superheater coils seems to have been correct: I rather wonder is the throughput of the Superheater insufficient? The additional coil, a somewhat marginal increase in supeheater area, resulted in a remarkable increase in steam chest pressu...
by B&OBob
Sat Jul 17, 2021 10:31 pm
Forum: Live Steam
Topic: Steam chest pressure.
Replies: 14
Views: 10908

Re: Steam chest pressure.

It's been 72 years since I studied thermodynamics, so I have to watch my step here. What you say about saturated steam at various static pressures is correct. but those are steady state values for two different circumstances not involving the flow of steam. However, when saturated steam is extracted...
by B&OBob
Thu Jul 15, 2021 3:43 pm
Forum: Live Steam
Topic: Steam chest pressure.
Replies: 14
Views: 10908

Re: Steam chest pressure.

Obsrvations of 20+ years ago mentioned by Bill were based on steam chest pressure measurements with a cab-mounted gauge temporarily connected to the top of one steam chest. The locomotive was a 1" scale 2-4-0, 80 PSI boiler pressure. Starting on level grade, pressure immediately shot up to boil...
by B&OBob
Sat May 29, 2021 1:54 pm
Forum: Live Steam
Topic: tie work
Replies: 67
Views: 41159

Re: tie work

Congratulations, Dan, on your continued major effort to replace wood ties with plastic. It will inevitably demonstrate the falicy of dominate thinking in some clubs that plastic ties are "too expensive." What will those misguided club officials do when their sacred wood ties inevitably rot...
by B&OBob
Thu Feb 18, 2021 9:50 pm
Forum: Live Steam
Topic: 3-1/2" Gaugers - Smokebox Access
Replies: 8
Views: 4958

Re: 3-1/2" Gaugers - Smokebox Access

My 2.5" gauge B&O B-18 Tenwheeler uses a threaded stud on back of the round herald disc in the center of the smokebox cover to hold the cover in place. The "captive screw" engages a removable cross bar spanning the front of the smokebox. This arrangement permits rapid removal and ...
by B&OBob
Mon Jan 18, 2021 11:11 pm
Forum: Live Steam
Topic: Forming boiler sheets for three 3/4-in. scale Virginias
Replies: 50
Views: 31390

Re: Forming boiler sheets for three 3/4-in. scale Virginias

Andy -- Superb workmanship and a big boost for smaller-scale live steam. Thank personally, and in the name of Humanity; not much of this sort of skill and dedication comes along these days in any field, so congratulations!

B&OBob