Search found 195 matches

by Bob D.
Tue Aug 14, 2018 10:31 am
Forum: Milling Machines
Topic: My new mill
Replies: 22
Views: 309

Re: My new mill

I lag bolted 6"x6" timbers to the base of my Bridgeport to make the working height better for me. I think things are quieter with the mill off the concrete. Material storage underneath between the beams. Makes it really easy to pull the mill out of the corner. Easy to jack up and put a few pipes und...
by Bob D.
Thu Aug 09, 2018 11:44 am
Forum: Welding
Topic: Brazing Brass
Replies: 31
Views: 494

Re: Brazing Brass

I would think hard silver braze would work well for this. Consider a 1/4" steel backing plate on the backside. Would need to inset the wood some it bolts to, but you wouldn't see it and would add some strength.

Bob D.
by Bob D.
Sun Aug 05, 2018 10:15 am
Forum: Live Steam
Topic: How to drill and ream a large-ish hole with drill press.
Replies: 15
Views: 682

Re: How to drill and ream a large-ish hole with drill press.

Not much problem with the hand drill. Only cutting a few thou. Can pass the reamer shank thru the D hole first than chuck it up. Use some oil. Pull the reamer back thru the hole under power and the shank keeps things aligned. I don't think you'll have an issue with the drill press either. Let the vi...
by Bob D.
Fri Jul 20, 2018 10:54 pm
Forum: General Discussion
Topic: Plaza Machinery current contact
Replies: 6
Views: 370

Re: Plaza Machinery current contact

John, If you find anything out be sure to pass it on. I had a few more "wants" that I didn't get my last visit a few months before the end. The buildings were just packed with stuff. I think Joe was the only one who knew what was there and where. His son will have a job figuring out the inventory......
by Bob D.
Fri Jul 20, 2018 10:15 pm
Forum: General Discussion
Topic: Plaza Machinery current contact
Replies: 6
Views: 370

Re: Plaza Machinery current contact

Plaza Machine is no more. Joe passed away. No idea what happened to all of the equipment and there was a lot of it.
Really enjoyed visiting with Joe. He was a wealth of info.

Bob
by Bob D.
Sun Jul 15, 2018 8:04 pm
Forum: General Discussion
Topic: Keyways
Replies: 15
Views: 1613

Re: Keyways

I just made my own bushing to fit the broach I had. Was easy since I had a stub piece of the axle. Add shims behind the cutter until the proper depth is achieved. I went with the 3/16" as I had the tooling and met my load requirements. This is broaching the dual drive sprocket hub. The gnarly Spacel...
by Bob D.
Fri Jul 13, 2018 10:37 am
Forum: Sheet Metal Fabrication
Topic: Bought Diacro brake... did i screw up?
Replies: 5
Views: 369

Re: Bought Diacro brake... did i screw up?

I think the gap at the bend area is because the adjustment for this is completely backed off. Neat brake if you had all the parts and accessories.
Bob D.
by Bob D.
Thu Jul 12, 2018 10:54 pm
Forum: Sheet Metal Fabrication
Topic: Bought Diacro brake... did i screw up?
Replies: 5
Views: 369

Re: Bought Diacro brake... did i screw up?

It's definitely missing some pieces. They may be available new but will be expensive. I doubt you will ever find them used. I searched high and low for a deal on typical fingers. Never found second hand..... plenty of machines missing them! I would spend more money on something complete. Bob
by Bob D.
Tue Jul 10, 2018 11:09 pm
Forum: Live Steam
Topic: Rapid Steam Pressure Loss
Replies: 24
Views: 1882

Re: Rapid Syeam Pressure Loss

Your exhaust nozzle has been modified a few times..... In my opinion your current two ports are small enough to be causing excessive back pressure to the cylinders and that is part of the fight. The original, plugged center hole looks about right for coal. I think removing the plate is to extreme in...
by Bob D.
Sun Jul 08, 2018 10:10 pm
Forum: Live Steam
Topic: Rapid Steam Pressure Loss
Replies: 24
Views: 1882

Re: Rapid Syeam Pressure Loss

If your exhaust nozzle in the smokebox was designed for a coal burner I'm sure you have to much draft working hard burning propane. Increase the hole diameter a bit. You will hear the difference in the "stack talk". Work your way up.in size.
by Bob D.
Sun Jul 08, 2018 8:56 pm
Forum: Riding Scale Railroading
Topic: 7 3/8" gage
Replies: 6
Views: 539

Re: 7 3/8" gage

Plastic Accuties are gauged at 7-3/8" so I may be wrong. It is mainly an issue if someone runs actual scale treads on their locos. Gauge becomes more fussy with narrow wheels.

Bob D.
by Bob D.
Sun Jul 08, 2018 7:11 pm
Forum: General Discussion
Topic: Keyways
Replies: 15
Views: 1613

Re: Keyways

I ended up going with all woodruff keys and keyseats. Used specs from the Machinery Handbook. The proper cutter yielded a slight press fit of the key into the keyseat. It stays in place well. The key ways were broached to a depth that doesn't allow much clearance at the top of the key. It is not goi...