The Hobbyist's Machine Shop – Blog

"One Perfect Part at a Time"

Keeping It Enjoyable

runningmanI am catching up on my Kozo Hiraoka Pennsy A3 Switcher project reading. When a project has been on the shelf for a while, I find it good to revisit everything I have done in the past and refresh what lies ahead in the project. It’s all good.

Building a project like this is very detailed. Each step is not all that bad and Kozo has a very good process of explaining the how-to. My enthusiasm is increasing as I can clearly see that nothing (yet) seems to be beyond my current shop tools and my abilities. It’s all now just having the materials and doing.

A project like this is not inexpensive. But since I am doing my best to make it enjoyable and not a construction race to finish, I can spread material cost over any time span with which I am comfortable.

I am still doing my silver work which has now become self-supporting and in fact providing some cash flow. I should probably be building the A3 with sheets of Sterling silver. Uh… No, maybe not.

OK, it’s all about the parts. Making all the bits and pieces. I just love how all the parts fit together and that I have total control of turning raw materials into something totally relevant to the project.

There is a certain aura of enjoying the process of using the tools, a gut feeling, something visceral. It’s like driving a sports car. There is a feeling of knowing what your car can do and being able to use that multiplied ability that such a machine provides. Same as using a screwdriver or a vertical milling machine. It’s that ability and control of power to use tools to make things, that is so much of being human.

Whoa! Spinning off into… Continue reading

Engine Parts

DSC06345What I have in my left hand is six pounds of  brass engine parts. It doesn’t quite look like it yet but it will get there.  I examined my brass stash for the A3 project and it wasn’t as complete as I thought it was. The stash is good but a few things had been “borrowed” and/or are otherwise missing, or I didn’t figure materials as close as I could.

Actually this is probably 300% more than I needed but with projects like this there are minimum amounts that can be ordered. That’s OK as it will all get used at some point in time. I often cut down stock on hand that is too large rather than make a special order for a tiny quantity. If I look close enough at certain stock I can see smaller parts hiding inside, that my tools help me cut out.

That’s the nice thing about metal milling machines and metal lathes. Excess material is not much of an issue. The hard part is when you have to put some back on…

Timing is Everything

I have been setting myself, meaning my workshop, up for the last decade or so, to have the tools I need for retirement. I have succeeded nicely. I just have to force myself to realize I have reached that goal.

I have retired so I have the time and need to start using my shop in its full extent. I am heavy into lost wax silver casting and CNC micro machining. That will continue. But there are other projects I have put off, “for when I have the time.” The Kozo Pennsy A3 live steam locomotive is the most “machine shop” intensive of those put-offs.

I have just posted the pictures below of the A3 work completed that was put on the back burner many years ago, just waiting for this time in my life. These are the tender trucks and the tender frame. The front steps are here too. The coupler box is made incorrectly (oops!) so that will be a re-do.

I have a drawer full of brass sheets, and plates, and bars. Enough to be close to all the material needed to finish the tender. So it hasn’t been for the lack of material this project has been on the shelf.

I am not going to get into all the details for my reasons. Let me just say that priorities in life can change and can change again. As before, when I started with a machine shop project of this size and complex details, it is not the finished product that is the primary goal. It is all the details and skills in the construction that provides the fulfillment. The locomotive will be grand when finished but it is the trip to get there where I intend to find my enjoyment.

Weird maybe, but that is… Continue reading

A Model Shop Story

Maserati_T61_engine_bay_DoningtonI read a story many years ago about a small team of Italian craftsmen. I think it started as a single person but the team grew with demand. They made exact working miniatures of exotic European sports racing cars like the Maserati birdcage. The models are the size of a child’s pedal car, so they were fairly large, but nowhere near actual size. Not designed for riding within. Somewhere around a quarter actual size I assume.

As I remember they were quite exquisite, all real metal construction, completely finished, not kits. Also very expensive, like back in the day when say $10,000 or more each was a lot of money, much more than it is today. A rich man’s toy car. The design/manufacturing team made a good profit on these vehicles as a sought after collector item. I believe they had operational scale or scale-like engines too.

What made me pay attention was they claimed they had many years’ worth of back orders to fill so the business of building these cars looked very successful.

I don’t know if there are people who will spend like that today. I have to assume there are, if the product and subject is good and unusual. For the very rich, they know something like this is not likely to lose value and is far easier to own than the full size version.

I have thought of this story many times as I wonder what I could make in my small metal shop that will have such lasting value. Not so much that I would make it a business, but just knowing what I am investing time in making the best I can, will have continuing value as a finished object.

It is the justification I tell myself when I put a lot… Continue reading

Hold on… What’s going on here? Oh my Goodness…

Pennsy_A3Something has snapped. I am actually thinking about dusting off the Penn A3 project. Wow! Is it a dream or am I retired? Oh yeah, I am retired now.

I have the Kozo Shay, Climax and Heisler live steam locomotive how-to project books on my shelf as well as the Pennsylvania A3 Switcher. Are they ALL possible now?

Ha! They are possible but probably not all probable. But I never say never.

I have decided to stop chasing the buck, even with my on-line e-store “Ramblin” Dan’s Store” (RDS). I want to spend my time making things in my shop. RDS will hang together for a while but I decided not to try and increase or even maintain the e-business. It has always been a very low profit and I ran it more for the experience of operating a business.

Any for profit “Business” I do will probably be with my silver work (Lost Wax Casting) as I really enjoy working with very hot liquid metal. Of course the skill can be used for making small brass locomotive castings.

I started the ¾” scale project because Kozo provides excellent guidance in his books and the size of the parts are reasonable. The drawback is where to go to run the locomotive. I think there are club tracks in the Houston, TX area, but nothing in the Dallas area that I know about.

That has made me consider Gauge1 which has many various scales involved with that track size. Generally, it is used with any scale between 1:13.7 (7/8N2 or M scale) to 1:32 (Number 1 Scale)

The 7/8N2 grabbed my attention because it is only slightly bigger than ¾ scale (6/8) but runs on a very common gauge track although this is 2-foot narrow gauge in prototype. Most… Continue reading

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