Picard Planishing Hammer

July 29, 2018 Nigel 0

The Picard Planishing Hammer is 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 [more…]

Propagation of Sound

July 29, 2018 Nigel 0

The propagation of sound and the attenuation of sound in air. At distances large compared to the size of the source, sound intensity diminishes according to the inverse square law. This is relatively simple to [more…]

Swann-Morton Scalpel

July 28, 2018 Nigel 0

A review of the Swann-Morton scalpel. 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 [more…]

Lathe Tools

July 22, 2018 Nigel 0

The lathe tools are held in a toolpost on the lathe cross-slide and which are then fed into the rotating workpiece to machine it to size. Lathe tools are made from high speed steel (HSS), [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 one of the many forms of [more…]

Sound Pressure Level

July 15, 2018 Nigel 0

When we measure noise level we normally measure the sound pressure level and express the result as something like 85dB(A) dB is an abbreviation of decibel – the sound pressure scale is vast and so [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 [more…]

Reduce any Overhangs

July 1, 2018 Nigel 0

Reduce any Overhangs is all about increasing the stiffness of the workpiece, the machine and the tool. An overhang equals flexibility. One key parameter with regards to any tools is to reduce the overhang and [more…]