Search found 1781 matches

by NP317
Thu Jun 13, 2019 9:07 pm
Forum: Build Log
Topic: Project: N&W class J on 5"gauge
Replies: 141
Views: 55216

Re: Project: N&W class J on 5"gauge

Gorgeous work, as usual.
Thanks for sharing.
RN
by NP317
Sun Jun 09, 2019 10:42 am
Forum: Live Steam
Topic: Boiler treatment
Replies: 23
Views: 895

Re: Boiler treatment

And GN and SP&S used exhaust steam injector systems, with similar results(?)
I've been trying to learn more about those systems.
~RN
by NP317
Sun Jun 09, 2019 10:40 am
Forum: Grand Scale Railroading
Topic: Woodinville Shops
Replies: 204
Views: 42899

Re: Woodinville Shops

Better plastic ideas. Good.
RN
by NP317
Sat Jun 08, 2019 9:53 pm
Forum: Grand Scale Railroading
Topic: Woodinville Shops
Replies: 204
Views: 42899

Re: Woodinville Shops

I vote for a bearing washer of thin HDPE.
~RN
by NP317
Sat Jun 08, 2019 9:50 pm
Forum: Live Steam
Topic: Boiler treatment
Replies: 23
Views: 895

Re: Boiler treatment

Russ, one followup question, regarding oxygenation. In your start up procedure, do you add anything that specifically scrubs dissolved oxygen from the water? Thanks Glenn No, I do not. But that won't prevent me from deciding to do that later. Again, the condition of my used boiler says it's managem...
by NP317
Sat Jun 08, 2019 9:30 pm
Forum: Live Steam
Topic: Boiler treatment
Replies: 23
Views: 895

Re: Boiler treatment

Russ, can you confirm that heating water in the boiler causes the dissolved oxygen to dissipate soon as the heat hits it? When you vent steam, are you venting all the dissolved O2? If so, what temperature/ pressure do you need to reach to first achieve this? How does this affect fresh water added f...
by NP317
Fri Jun 07, 2019 8:26 pm
Forum: Lathes
Topic: QC toolpost for Atlas 618
Replies: 12
Views: 320

Re: QC toolpost for Atlas 618

I also started machining with a well-cared-for 6" Atlas lathe. Complete with a quick-change gear box!
Yes, the lantern tool posts were always a limiting factor.
I replaced that nice little lathe before making an alternative tool holder. I like the triangular idea!
~RN
by NP317
Fri Jun 07, 2019 12:05 pm
Forum: Live Steam
Topic: Disney American
Replies: 422
Views: 85246

Re: Disney American

Jack:
Which Museum is that going into?
~RN
by NP317
Fri Jun 07, 2019 12:02 pm
Forum: Live Steam
Topic: Boiler treatment
Replies: 23
Views: 895

Re: Boiler treatment

Carl: Points well made. My standard steaming operating procedures do include testing all steam appliances prior to leaving the steaming bay. I have a dental tool that works perfectly for holding the lower pressure SuperScale safety valve closed while testing the operation of the higher safety. Same ...
by NP317
Fri Jun 07, 2019 11:51 am
Forum: Lathes
Topic: Spindle bearing replacement
Replies: 31
Views: 864

Re: Spindle bearing replacement

"There are exceptions, of course."
HARDINGE!!

Wish I had one.
~RN
by NP317
Fri Jun 07, 2019 11:11 am
Forum: Grand Scale Railroading
Topic: Woodinville Shops
Replies: 204
Views: 42899

Re: Woodinville Shops

You're welcome.
Jacket on; Flames out.
((-;
Russ
by NP317
Thu Jun 06, 2019 9:00 pm
Forum: Live Steam
Topic: Boiler treatment
Replies: 23
Views: 895

Re: Boiler treatment

To limit dissolved oxygen when steaming up my locomotives I ALWAYS open a valve on top of the steam dome and let it vent steam for several minutes during fireup. That is standard practice for many city steam plants, too: automatic steam venting to remove dissolved oxygen from feed water. True for th...