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On page 3 of the PDF, look at the base. I have two questions about it: 1) What are the "drill 1/8" holes about? I can't figure out what is supposed to go in those holes. Worse, looking online, I see one person tapped them for some reason, but the end of that article doesn't show them screwing...

Some background. tldr: I want to make a manually operated, 100% mechanical water pump for my cat who will only drink running water. The goal is about equal parts hilarity and shop-time, with a distant third of making an actual working device to be operated by a cat. Step 1: A check valve...

My 50s era bench mill came with a bunch of t-bolts and nuts. These nuts are awesome. They are hardened, a little thick, rounded on one end and fit with no slop. The outsides are smooth and flat. The color is nice and they make a great clicky noise when I'm holding more than one. Compare this...

We got this crazy cat a few months ago that will only drink running water. And that cat trained the OTHER cat to prefer the same. So now I'm constantly finding running faucets when a child has watered the cats and then left it going. I know you can get cat fountains, but: I don't want an...

I've started on a finger treadle engine based very loosely on the NAMES model. By "based very loosely" I mean I'm taking their approximate measurements and improvising from there. All I have is a lathe and a drill press, no mill, so I'm trying out a bunch of techniques I've read about or...

I want to attach metal together. Generally small pieces of brass, aluminum and steel. I don't want to use glue. At least some of these connections may be heated to some degree. I keep reading about brazing, soldering, silver soldering and other terms but everyone seems to using these words very...

My inspirations: http://www.youtube.com/watch?v=ka3wmoI23C4 and http://www.youtube.com/watch?v=focLZTLkcTk I finally found some plans here: http://www.steamer.cz/par_min.html But the plans are in metric and Polish. Some English is given, but not well-translated. So I'm redrawing it in...

I really like the one here: http://www.steamer.cz/par_min.html The problem is that combined with my inexperience, the metric measurements and non-English (Polish?) instructions and labels are a little difficult. Is there an imperial measurement version of this in native English?

I think the LMS oscillator is kind of ugly but it has the advantage of being pretty simple for a n00b like me. I had to get some additional tooling (reamers, larger drills, etc) but I eventually finished it. No video because my video camera doesn't do well in the shop for some reason (not...

About a month ago, I asked for help pricing what turned out to be a South Bend 10k: http://www.homemodelenginemachinist.com/index.php?topic=17696.0 Well, I ended up buying it. I had to dismantle it to get it home and since I was doing that anyway, I decided to degrease it (it hadn't been used...

I just looked at what I think was a really nice a SB 9". It's been sitting in a garage for 15-20 years and was apparently lightly used by a professional (in his home) previous to that. ~1962 manufacture date, Model A. Built-in bench. It isn't running right now because the power was apparently...

I'm new to model engineering and machining in general. In fact, I don't even have a lathe yet (it's on backorder). My first engine project is going to be the LMS oscillator. Here's the thing: I don't have a mill and won't until I save my pennies for it. Both the instructions and the video by...