Search found 1480 matches

by 10 Wheeler Rob
Wed Mar 18, 2020 6:17 am
Forum: Live Steam
Topic: Slide Valve Setting
Replies: 8
Views: 899

Re: Slide Valve Setting

It depends on the value gear type wether or not there is any movement at center Johnson placement. But you need to adjust the valve position at to have equal opening when the piston is in front and back dead center when the Johnson bar is in full coward position. And then checked for same when set i...
by 10 Wheeler Rob
Wed Mar 18, 2020 6:01 am
Forum: General Discussion
Topic: Tapping carbon fiber tubing
Replies: 9
Views: 1205

Re: Tapping carbon fiber tubing

Oh yes graphite dulls tool steel cutting surfaces quickly, we used diamond coated carbide tooling for machining graphite like used to make EDM electrodes where I used to work.

Rob
by 10 Wheeler Rob
Wed Mar 18, 2020 5:55 am
Forum: General Discussion
Topic: Eye bolt rating
Replies: 23
Views: 1692

Re: Eye bolt rating

You can get next day shipment from McMaster Carr or the other major suppliers. Little more cost but fast service. I agree with not using bent eye bolts for lifting. Nothing but an accident waiting to happen. I would bolt on a piece of angle iron drilled to make a lifting eye in a pinch. That I calcu...
by 10 Wheeler Rob
Wed Mar 18, 2020 5:41 am
Forum: General Discussion
Topic: Engine hoist capacity beware
Replies: 24
Views: 1795

Re: Engine hoist capacity beware

Where I worked, which was a major corporation all lifting equipment was inspected and tested on a periodic basis. This was regardless of age and manufactures ratings. Everything had a stamped metal tag attached with a tamper proof attachment. I too have a cheep engine hoist, chain fall and motor cyc...
by 10 Wheeler Rob
Wed Mar 18, 2020 5:24 am
Forum: General Discussion
Topic: Can't Get Hole Drilled Through Sandblast Cabinet
Replies: 16
Views: 1329

Re: Can't Get Hole Drilled Through Sandblast Cabinet

With a step drill I usually drill the first step size with good quality double point metal drill first after center punching. This is usually either a 3/16" or 1/4" DRILL size,
by 10 Wheeler Rob
Fri Feb 14, 2020 1:05 pm
Forum: General Discussion
Topic: How would you make this?
Replies: 11
Views: 1323

Re: How would you make this?

You can use allen flat head screws, then you do need a big hole to tighten it.
by 10 Wheeler Rob
Thu Feb 06, 2020 3:35 pm
Forum: Live Steam
Topic: PVLS 1973 or 4, short movie
Replies: 21
Views: 3296

Re: PVLS 1973 or 4, short movie

Ross coal fired his articulated the first few seasons he ran it. I am not sure what year he first ran it. I think he completed his shay in 1972.

Rob
by 10 Wheeler Rob
Sun Feb 02, 2020 9:30 pm
Forum: Live Steam
Topic: Necessity of hardened crank pins on 3/4” scale
Replies: 49
Views: 7087

Re: Necessity of hardened crank pins on 3/4” scale

You can get 4140 half hard, which you can machine and finish to fine surface finish with a file. It wears good.

Rob
by 10 Wheeler Rob
Thu Jan 30, 2020 12:21 pm
Forum: Live Steam Marketplace
Topic: LSB4000 & LSB8000 Boiler Treatment
Replies: 1
Views: 951

Re: LSB4000 & LSB8000 Boiler Treatment

I look forward to getting a resupluy at PVLS or WLS this summer.
by 10 Wheeler Rob
Wed Jan 22, 2020 12:31 pm
Forum: Live Steam
Topic: Timken 1111 (four aces)
Replies: 17
Views: 4066

Re: Timken 1111 (four aces)

I was told the four aces Phil Wonder completed had derailing issues due to the main driver castings being to thin. I was also told that it was sold to Howard Gorwin who took it apart to have the driver tire width issue fixed, and it has been stored in that state for several years.

Rob
by 10 Wheeler Rob
Fri Jan 10, 2020 4:07 pm
Forum: Live Steam
Topic: Worthington Duplex pump & Brass Hex head screws
Replies: 27
Views: 4188

Re: Worthington Duplex pump & Brass Hex head screws

I only use brass fasteners for non functional decorative use. I use stainless steel for functional alpications, they much stronger, corrosion resistant and look fine to me.

Rpb
by 10 Wheeler Rob
Fri Nov 22, 2019 10:12 am
Forum: Live Steam
Topic: propane question
Replies: 39
Views: 7293

Re: propane question

If you can submurse the tanks in a water bath it will help to keep them from freezing up. If the tender is large enough that would be ideal since it keeps getting refilled with warmer water. Or a tank around the bottles could be drained and refilled when refilling the tender if the water is getting ...