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Source for this please, Dan. The ASME Code (which our little boilers are generally and thankfully exempt from) cold water pressure test for fired boilers is 1.5 times Maximum Allowable Working Pressure (MAWP). On pressure vessels it is 1.5 times MAWP times ratio of material allowable stress...

Oilite (sintered bronze) is intentionally porous to hold oil for lubrication. Don't use where it needs to be steam tight.

"Your loco looks very nice, and your workmanship also seems very good!" Thank you! Here's a start on the Compound. The only aluminum is the base, the balance is iron or bronze. John

"How much did the plans cost?" I had some Friends Model castings (I am NOT a relation!) that I traded for both the Coventry D30 loco and the Compound drawings. I had a previous incomplete set from a Ray Riechenberg who had run an ad in Live Steam Magazine in 1995 for the Compound castings...

I have obtained drawings for the Coventry B&O D30 0-6-0 loco and the Coventry Compound marine engine. Happy with both. John K has also furnished several parts I was missing from my two kits.

John K can help you, he has the original Coventry tracings... http://www.friendsmodels.com/stationaryengines.html

The de Waal drawings do indicate that they are based on the Bill Harris design. I'm a member of a group that has about a dozen Bill Harris rollers stalled at about the assembly stage. We were all in the same town, now scattered in several states. I have most of the tanks and boxes made...

Here is a chart I put together for bolts and washers. The hex size and height is from Godshalls (dimensions in inches): Model Hardware Model Hex Cap Screws Scale Washers Drilling Size Hex Used Head Height Washer Land Outside Diameter Decimal Thickness Clearance Tap Drill Percentage...

This is incorrect. Very few of the model steam engines in the United States have ASME certified boilers. In fact code requirements make it almost impossible to build a certified boiler in a 'hobby' environment. All material must be code certified materials from certified suppliers, any welding...

Just illustrating the floor boards. This is the shop where I bought my mill and lathe. Wealthy retired guy (that had died) that really never did any work with them. I think he sat around with his buddies drinking beer. Love the boards, a little springy, much better than standing on my garage's...

I have oak floor boards in front of the South Bend lathe and the Bridgeport mill. Chips (and small parts!) fall between the boards so I'm not standing in a sea of chips. Before entering the house I check for the occasional stuck one. Also, being a Southern Californian, I frequently am just...

In the USA, the most commonly found three phase motor will be dual voltage 230/460. My company built anti-terrorist barriers and shipped them to pretty much every capital city in the world. We usually got by with about 5 basic motors for the hydraulic power units. The 230/460 motors for 60 hertz...

Hand held hospital type urinal (or liter water bottle) and pee in the shop to eliminate frequent dashes to the house (at least for this old man!)

It's Millyard. The links are:

Brian, is the rack inside? Maybe the smaller saws are not so well equipped... (Beautiful saw by the way!)

The chart on the front lists all the blade widths, materials, and speeds and feeds. And if like the bigger DoAll's, the guides for the other blade widths are in a rack inside the blade cover. But you know all this by now I hope.

Re the origins of the "Servo/Align type power feed ". Servo was first and is the company of Francis Moseley. Mr Moseley was a Los Angeles Live Steamer and is famous for his beautiful steam turbo generators is 1" and 1.5" to the foot scale...

Within the Aloris web site is a link to the catalog: https://www.aloris.com/aloris_cat/31e970.pdf This explains the sizes and has all the available holder types shown in tables with dimensions. Makes much more sense than the listing of various of holders for purchase. The Shars catalog that...

I got some industrial sized ones as part of an ebay buy. Sent them to Keith Rucker figuring he might need them more than me!

4mm for 10-32??? Sorry but 3/16" is just right, a 10-32 thread has a 0.190" diameter. Number threads are the number x 0.013 + 0.060. Thus #10 is (10 x 0.013) + 0.060 = 0.190", # 8 is (8x0.013)+0.060=0.164" (maybe Baron's 4mm), etc. As to material, I find 1144 stress proof about as nice to...