Picard Planishing Hammer

July 29, 2018 Nigel 0

Precisely ground and hardened, hand-forged, steel head with highly polished tips mounted on a hickory handle to provide the right weight and balance. Made in Germany. Round Faces Flat Face 25mm diameter Round Domed Face [more…]

Propagation of Sound

July 29, 2018 Nigel 0

At distances large compared to the size of the source, sound intensity diminishes according to the inverse square law. This is relatively simple to reliably calculate, provided the source is small and outdoors where no [more…]

Swann-Morton Scalpel

July 28, 2018 Nigel 0

We all have a selection of different knives from the robust Stanley that is great for cutting tough material such as carpet to the small model making knives with blades that have never been changed [more…]

Lathe Tools

July 22, 2018 Nigel 0

The tool that is held in a toolpost on the lathe cross-slide and which is feed into the rotating workpiece to machine it to size. Lathe tools are made from high speed steel (HSS), Tungsten [more…]

Belt Drives

July 15, 2018 Nigel 0

There are a number of ways to transmit power between two shafts, often to enable speed reduction and torque increase, but one of the easiest ways is to use a form of belt drive. They [more…]

Warco Lathe Stop

July 1, 2018 Nigel 1

I’ve been using my Warco WM240B lathe for a number of years and although I’m not a great admirer or saddle stops I thought it was about time I made one. The starting point is [more…]

Reduce any Overhangs

July 1, 2018 Nigel 0

One key parameter with regards to any tools is to reduce the overhang and so reduce the chance of chatter or even worse parts and tools breaking. The image shows a simple change in the [more…]