Search found 698 matches

by John_S
Mon Dec 10, 2018 7:08 pm
Forum: Live Steam
Topic: Coal dust bricks again
Replies: 28
Views: 1253

Re: Coal dust bricks again

I built my coal hopper car with 1/4" opening wire mesh over the chutes out the bottom to let all fines work their way out as I pull it around. Having a readily available supply of really good blacksmith coal available in the area there's no reason to recover the fines and process them into useful bu...
by John_S
Sun Dec 02, 2018 10:43 pm
Forum: Live Steam
Topic: Steam Dome Throttle
Replies: 28
Views: 3418

Re: Steam Dome Throttle

Hmmm, that has possibilities. I'll look into similar ball valve installation into my steam dome. Regarding the ball valve itself: How do you find the operating characteristics? Can you get a smooth launch without a jump forward or instant speed or easy wheel slip? How about low speed regulation? Ca...
by John_S
Mon Nov 26, 2018 7:07 pm
Forum: Live Steam
Topic: Steam Dome Throttle
Replies: 28
Views: 3418

Re: Steam Dome Throttle

Check out how I handled the ball valve and linkage here:
http://www.chaski.org/homemachinist/vie ... 35#p338835

I've built two this way and they work great. Used an off the shelf 3/8 ball valve from Ace Hardware and all stainless materials for the rod and lever.
by John_S
Fri Nov 16, 2018 10:02 pm
Forum: Live Steam
Topic: OMG, Kamikaze bugs!
Replies: 14
Views: 1841

Re: OMG, Kamikaze bugs!

If you use Tom Bee's brakes on your rolling stock, cover the Schrader valve connections when in storage between runs. Prime targets to get filled with mud daubber muck!
by John_S
Sat Oct 27, 2018 9:40 pm
Forum: Live Steam
Topic: Best way to pin Stephenson eccentrics
Replies: 8
Views: 1011

Re: Best way to pin Stephenson eccentrics

I learned from Fred_V a long time ago a really, really good way to do it. Once you have them set, use a drill through the eccentric to put a V dimple into the axle and then put a pointed set screw in backed up by a flat set screw. I did this on my Allen mogul and they have not moved whatsoever in 6+...
by John_S
Wed Oct 03, 2018 4:58 pm
Forum: Live Steam
Topic: Candice Bergen remembers Disney's railroad
Replies: 7
Views: 1600

Re: Candice Bergen remembers Disney's railroad

I was just at Disney World last week and on the way out of the Magic Kingdom I noticed that the lower part of the station at the park entrance is filled with photos of Walt's live steam railroad. This was at the end of a very long 14 hour day at the park and we were on our way out so I didn't get a ...
by John_S
Fri Sep 21, 2018 10:14 am
Forum: Live Steam
Topic: Broken Drill Removal
Replies: 14
Views: 2607

Re: Broken Drill Removal

I've used alum to dissolve a broken tap in a brass part for a pump I was building. I put the part in a small crock pot with water and alum and left it on low for a couple days. The tap turned to mush and washed right out of the hole.

I found alum at WalMart (but not at Publix or Kroger).
by John_S
Tue Aug 07, 2018 6:24 pm
Forum: Build Log
Topic: Building the 2.5" Scale Shay
Replies: 739
Views: 107047

Re: Building the 2.5" Scale Shay

Soot n' Cinders wrote:
Mon Aug 06, 2018 8:17 pm
But Im not anticipating a lot of force on the stack itself since it will eventually be a Radley-Hunter.
Just be sure that when someone jumps in to "help" you move your loco to remind them not to use the stack!
by John_S
Sat Jul 07, 2018 10:44 pm
Forum: Live Steam
Topic: How do you guys feel about the "Just get it done" attitude?
Replies: 21
Views: 2723

Re: How do you guys feel about the "Just get it done" attitude?

Remember that there are times to build a watch and times to build a locomotive and get it out on the track. My similar approach was, "I'm not sending this to the international space station" when it came to precision on some parts. Yes, there are certain very critical dimensions and tolerances on s...
by John_S
Sat Jul 07, 2018 10:37 pm
Forum: Live Steam
Topic: Piston mounting
Replies: 5
Views: 1027

Re: Piston mounting

On my mogul, the SS rod is threaded into the bronze piston and then silver soldered. You should never have to disassemble the rod from the piston after assembly.
by John_S
Fri Jun 15, 2018 9:36 pm
Forum: Build Log
Topic: Restoring a modified Allen 2-4-0 barn find
Replies: 125
Views: 45085

Re: Restoring a modified Allen 2-4-0 barn find

Pieces of .010 stainless shim did the trick. Then it was on to the valve gear. I had a massive amount of valve rod slop when running the locomotive last year, so I knew I'd need to replace a lot of stuff. I started by ordering the Allen EDM cut expansion links and die blocks. New link pins for the ...
by John_S
Sat Jun 09, 2018 7:36 pm
Forum: Live Steam
Topic: RANT THREAD?
Replies: 95
Views: 11105

Re: RANT THREAD?

cbrew, I built the rack for the exact same reason: So I can pull the camper and have the loco, tender, and boxcar. My boxcar houses the air compressor and resevoire for my train brakes as well as the 12v battery for lights, plus tools and parts that I may need if things go Tango Uniform out on the t...