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For comparision of Bob's annealing temperatures with the annealing temperatures I found in the iron book, 815 C is 1,499 F, and 900 C is 1,652 F. So that matches the "Medium temperature annealing" from the iron book, which is between 1,450 F and 1,650 F. My pour temperature for gray iron is...

Bob- That is a really nice annealing setup ! I purchased the materials for a controller for my kiln, but have not set the controller up yet. I tempered some aluminum parts for my green engine. I did not have to anneal my green twin flywheel, since it machined easily without annealing. I found...

I put a sign up when I display my and my dad's engines, and the sign says "Touch These Engines - Use caution with the fingers and moving parts". Anyone/everyone can touch any engine I have, including the green twin, and run most of them themselves using a flexible air line. It is very funny to...

This is a buddy of mine running his iron furnace at the Soule Museum in Merridian Mississippi (this show is coming up first weekend of November). It does not require much space to set up a furnace, and the fuel is diesel, so even if you have a fuel spill, the fuel will not burn on the ground...

This is a demonstration I did for the local Metal Museum, pouring gray iron, for art-iron folks who gathered for that show from around the country. This would be the same demonstration I would do at the Indiana show, if we can get it organized/set up. It does not get much more fun than playing...

That really makes my day Doug, I am really glad someone saw it / remembers it. The story is that the green twin engine was not complete, and I did not want to show an incomplete engine at NAMES. NAMES was very intimidating to me; being in an arena with the best-of-the-best model folks. When I...

That is good to know. LOL .

I would really like some nice DRO's on the lathe and mill, instead of my ghetto $20 digital vernier calipers scabbed on, but there is only so much funding for my hobby, and I have put the money in a nice foundry. My lathe and mill remain very cost-effective Grizzly equipment, which do an...

Although I have not done any casting work in years, that does not negate the knowledge I gained during the 10 years I was created drawings, 3D printed and manually made patterns, and made castings using aluminum, brass, bronze, and cast iron. What I am saying is that by using 3D modeling, and...

You can use screen captures and/or motion study video captures in Solidworks. I use motion study a lot to verify that the parts fit. If the parts don't fit, the engine and/or mating parts won't rotate in motion study. One of the more useful engine design features I have ever seen. .

There is the cost of the energy required to anneal castings, but in many of the commercial foundry videos I have seen, large annealing ovens are an integral part of the process. With just-in-time manufacturing processes, the annealing and stress relieve immediately after casting the parts would...

Another problem that I have observed is that some of the drawings and casting kits were made in the pre-3D modeling era, and often had a number of problems. For me, it is easier to start a clean design based on photos and old factory information, rather than try and correct someone else's...

I took my green twin steam engine to NAMES in 2019, and exactly two people looked at it. One person said "pretty cool", but neither person gave it more than a glance. I was very disappointed, since I thought there would be more interest in making one's own engine castings, especially in gray...

Someone told me Packard in the US did the same thing, and he said he saw very little wear on Packard engine parts, even when the mileage was high. .

I don't sell engine drawings, I post them here on this site in the drawing section for free. I have never charged anyone for drawings, but I don't fault others who do. Nobody has to ask for my drawings. Anyone in the world can just go to the download section and download them, for free. I am...

I have a big problem with 2-day shows also. I have to be back by Monday morning, for work, and so I can't remain on Sunday and still make it back Monday. A 2-day show is 4 days of work lost for me, since two days are normally required for traveling. Not complaining, just saying how it is for me...

I hear what you are sayin. Put up or shut up, as they say. .

As a general topic, I think hobby magazine publishing is on the way out, at least as far as printing hard copies of magazines and mailing those. Some magazines have been able to convert to digital only, and that seems to be a viable method (not sure what the actual publisher that uses this...

But we are talking about a magazine series, and it would be relatively simple to transfer/sell this to someone who would publish it. You are sort of stretching the discussion into areas where it is off-topic. Perhaps some valid points regarding other topics, but this is about the IC magazine...

Much of this hobby has been created by hobby folks sharing information (such as on this forum). There is not much of a hobby without sharing. Just my opinion. I have the same opinion about those who have purchased many of the patterns for a lot of the classic model engines, and then never...