This entry was posted in Interesting Information, Workshop and Tools and tagged archimedes drill, drill, pump drill, Ruthie Gray, silversmithing, silversmithing tools, The Silver Forge, tools on 20 October, 2013 by Ruthie Gray. A drill in which to-and-fro movement of a nut on a helix causes alternating rotary motion of the bit. One of the earliest forms of drill in this category is the Archimedean drill. My occasionally burnt fingers can attest to the heat that can be generated by a drill spinning – silver is a great conductor of heat, and I have not only heated my fingers but made burn marks in my bench peg by drilling a piece of silver before now! As well as my pump drill, I sometimes use my flex-drive with a drill bit attached for drilling holes – there is something far more satisfying about using the lovely, simple, ancient pump drill though! ii/ Star Drill Another type of hand chisel 'drill' is the star drill. An Archimedes drill has the same function as a pin vice, holding small drill bits and hand drilling holes, but is designed specifically for precision. As well as drilling holes, the bow drill can be used to start a fire using friction. Add to Cart 10' Vintage Archimedes Drill w 5 Drill Bits 40541. Regular price £24.00 Sale price £0.00 Shipping calculated at checkout. The Vintage Tool Shop 10' Vintage Archimedes Drill w 5 Drill Bits 40541. The pump drill is a variation of the bow drill, which has been in use for at least seven thousand years. Home 10' Vintage Archimedes Drill w 5 Drill Bits 40541. It is a simple concept but a skill that takes practice to master. Once the bottom is reached, the weight is relieved and the drill allowed to rebound re-winding the cord around the shaft and the process is repeated. Simple to use, just press down on the top with a. Holding the drill upright and placing the drill tip against the material to be drilled, a smooth downward pressure is exerted on the handle causing the drill to rapidly spin. These simple hand drills are an ancient, perfect design for drilling very tiny holes with minimal fuss. The cord is run through a hole near the top of the shaft and affixed to either end of the handle so that it hangs just above the flywheel. To use it, the correct size drill bit is inserted in the collet, one hand is placed on the handle while the other hand turns the shaft to wind the cord around its length, raising the handle near to the top of the shaft, where the cord becomes tight. The flywheel is attached near the bottom of the shaft and the handle slides over the top. The pump drill is composed of a long drill shaft with a collet on one end, a handle with a hole through the centre, a weighted flywheel, and a length of cord. He was pretty amazing, though, worth researching if you can find the time. While researching it online, I discovered that this tool is actually called a pump drill and an Archimedes drill is something different! So, no interesting information on Archimedes to be found here today.
![archimedes drill archimedes drill](https://cdn.shopify.com/s/files/1/0014/9867/7306/products/IMG-20190316-140353_1024x1024.jpg)
I was all set this month to write about what I was taught is called an Archimedes drill.