Slider Crank Linkage

May 6, 2018 Nigel 0

The slider crank is common in steam engine design as it removes the side forces from the piston and from the connecting rod that is sealed by the gland as it passes into the cylinder. [more…]

Workshop Calculator

March 10, 2018 Nigel 0

I often create a simple calculation on an excel spreadsheet, this allows me to check the numbers, compare results etc and I find this really useful. Therefore, I thought it was about time I share [more…]

Engine Bore and Stroke

March 4, 2018 Nigel 0

The bore and stroke of the piston sets the swept volume. Swept volume[cc] = stroke[mm] x p x Bore[mm]2 / 4000 p = 3.14159 Calculator is available to download here. The graph to the right [more…]

Tapers

January 1, 2018 Nigel 0

Jacobs Taper The Jacobs Taper (abbreviated JT eg JT0 or JT3) is commonly used to secure drill press chucks to an arbor. Taper Large End Small End Length Taper/ Foot Taper/ Inch 1/2 Included Angle [more…]

Twist Drill Basics

November 27, 2017 Nigel 0

There are a number of different forms of twist drill, different base metals, different coatings and an even larger array of ways in which you should sharpen your drill bits. This article has been abbreviated [more…]

Dividing Plate

November 12, 2017 Nigel 0

A plate with evenly spaced holes at a given radius that allow you to rotate a chuck and then hold it precisely at a given number of intervals. This can then be used for gear [more…]

Tap Wrench

September 3, 2017 Nigel 0

A hand tool that can be locked onto the square post on the tap and used to apply a torque to cut an internal thread. When using a tap wrench it is usual to turn [more…]