A Little Experimental Project I'm Beginning:

in #blog8 years ago

I've been accustomed to working with a minimal use of power tools for personal projects. Sure, they're easier and I can use them well, but as life's circumstances change, they aren't always affordable, or interesting. One indispensable tool for a broad range of projects is a drill. For a short time, I had access to an old-school non-electric hand drill. I'm sure there's a proper name for them, but I think you get the idea. Here's my next project, then. Something more primitive still, but it needn't be anything more than durable and effective on wood. I think I'll hammer, or more preferably file a nail into the proper shape to serve as a bore. Y'know...because bores are fun...

So here's an example of what I intend to make, a pump drill. Naturally, I'll try to keep mine a bit more refined in form, but we'll see.

Pump Drill.jpg

The one in this image was used in bushcraft by someone who used it as a fire-starting method, hence the strange wooden tip. I'm a little dubious myself, but these have been widely used as recently as the last century by jewelers. The idea is that you press down on the broad cross-beam to get it spinning, which unravels the string that would be coiled around the central shaft. Then you lift it slightly so the big counterweight near the bottom tip can pull the shaft down by gravity. Here's where I'm uncertain: that free downward motion is supposed to rewind the string so you can push down again, continuing to drill.

I've got the material for this, so it shouldn't be long before I have a prototype to test out. It will allow me to make replacement handles for a duct taped kitchen knife and a folding pocket saw with a cracked plastic handle, among various other things.

If the mechanism really works, I can start thinking about how to get the alignment correct on interchangeable drill bits. For now, small steps.


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Because I tend to go a bit "mad scientist" when I'm in this gear, this song strikes me as a perfect fit. It sounds like something a mad scientist would have for a theme song in the lab/workshop. I mean, I'd watch that cartoon.
Caravan Palace - Je m'amuse

Here's a revived classic sung by one of the greatest, most under-the-radar powerhouse songbirds of this generation. Do I sell her too well?
Lake Street Dive - Rich Girl (Live @Pickathon 2013)


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((I claim neither credit nor ownership of the above images or videos.))

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Nice. A bow drill, yup that's on my bucket list one day, to be able to start a fire with one that I construct from rough kindling scavenged. Thanks

But is it a fine point?

I'm not entirely sure yet, for the first version. It will mostly depend upon what is most workable. After that, I intend to make interchangeable points, so some will be finer than others.

We have started a woodworking community here on steemit and would welcome you. We have a discord channel, link here: Woodworking on Steem Discord Channel And a weekly woodworking post competition ,
you can read the post here
Thanks

Thanks for the heads up, Jist. I'll have a look.

this is pretty cool, never made anything like that before!

This is really interesting. Although, is it odd when you said "bore" I think of those bees that make perfect circular holes in wood? We used to have them in NY, it's always too bad they wouldn't make a hole where you needed one...lol.

Some extended family of mine in Florida had a tree that housed carpenter bees. The whole thing was riddled with little round holes, and always buzzing with a low hum.

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