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Guys, not to be nit-picking but this post was started 5 years ago & WSMKid hasn't been here for two years..

I happened across an auction site which is selling old post office box sections. I never thought about it before, but they have to go somewhere when they remodel or upgrade. Got to wondering, is the metal used in those p.o. box doors worthy of salvaging? Could it be melted down into ingots or...

Interesting but this older thread popped up on my screen. A quick read on a similar vein, along with some links at the bottom. Maybe will be helpful.. Selecting a first engine to build.

I see nothing good about facebook, or any other social media for that matter. I was a user, but couldn't get away fast enough when the "organized bias" became the norm. And as stated, it's near impossible to find anything.. Long live the forums!

This method is not uncommon amongst those who rebuild the old stationary engines (hit & miss), where the valves are not available anywhere in correct sizes.

I too have wondered about their status. The last I read was that their main man, Ed, has been having on-going health issues. And as it is a family run business they are trying to get by as best they can considering.. Hit N Miss Enterprises Antique Gas Engines and Parts

Brian, Igniters are a common part of ignition systems used on the old hit & miss engines. I'm far from knowledgeable in them, but I know where you can find lots of information about them, www.smokstak.com I know I have info saved away, but can't find at the moment. Attached is one article I did...

My daily drive takes me past a fab shop that seems to do a lot of work with stainless steel sheet, probably for nearby meat processing industry. The scrap goes into a huge dumpster, picture 6' x 12' sheets with as many smaller (often round) shaped parts cut out of it as possible. I don't know...

I've started using small adhesive labels, wrapped around the item & the ends stuck together, similar to how cables are done. I use paper labels so they're easy to remove for use, then replace it for storage again. Ideal? Not at all, but it works till something better comes along..

an FYI.. Some have mentioned the difficulty in getting hold of the book. It seems that the Gingery Book Store is up and going again as of March 1. I've just rec'd my copy of the differential engine book from them! Also, many thanks to those who share their own files...

But why would you need to alter the diameter of an o-ring? As it is elastic, an o-ring will change (within reasonable limits) to fit the groove it is placed into. The trick is to adjust the ID and/or the OD of the groove, as allowed, to accommodate a given o-ring while maintaining the desired...

Some have mentioned using two "soft" seals on a piston. The problem with doing this is pressure trapping. Trapped air/oil in the space between the seals will begin to create pressure in that space, due to thermal expansion or from the seal scraping the oil film from the cylinder wall and...

I agree with the above comments. Also I've read that the engine that is on display is actually a replica, and as such its accuracy is in question. I asked the museum once about the possibility of seeing the actual engine (in the archive rooms) and was told something to the effect that I wouldn't...

Old post aside... I like your engine David! I can only hope to do as nice of work one day. Thanks for sharing it! Wes

I can just imagine your face when you looked at it and realized what you'd done! :eek:

I had a stack of these wooden paperweights(?) follow me home from an auction. They're such nice wood I can't throw em out. Would they work for bases for a small engine project? (measure 3.37 dia on top, 4.0 dia bottom) The top face has Trout Haven engraved so would need covered(?). Free to you...

Thank you to all for the wealth of suggestions! I hope I can remember all of them for future use. I guess I didn't explain what this project was on. It is an industrial air compressor, Fairbanks-Morse, vintage ~1935. So chances are these studs have never moved in all this time, and are very...

Well I've made progress. I got the .375 drill a bit deeper, and in trying to bust up the last of the broken bit I knocked the end of the bolt right off. This left the drilled part that is engaged thread behind. Good deal, right? Well it still won't turn with a screw extractor & big wrench on it...

I don't have access to EDM or spark erosion, but I do have an oxy-acet torch. This stud is threaded thru a cast iron wall (not a blind hole) & I can poke my finger in and touch the back side of it. Could the oxy-acet torch blast through the remaining stud?

Not a scale model at all, but a general machining question please? A large threaded stud I was removing snapped off in its hole. I then began to drill it out, thinking a small pre-drill would be best. But of course the .093 drill broke off in the hole. I then drilled .375 dia down to the broken...