Introduction By inducing a projectile to spin around its own axis its flight is stabilised and accuracy and range are vastly improved. Rifling a barrel by cutting spiral grooves in a variety of forms and [more…]
Introduction Every month my gun club holds a guest day when members can bring along friends and family to ‘have a go’ with their firearms. Maybe it’s because we were raised on a diet of [more…]
Introduction Although the flintlock ignition system was technically advanced for its time, it wasn’t without its shortcomings. Flintlocks require careful setting-up and constant maintenance and adjustment to be reliable. They also have a relatively slow [more…]
In my introductory article we saw that by the beginning of the 19th century the flintlock was firmly established as the state-of-the-art means of ignition in military and sporting firearms. In this article, we will [more…]
Some weeks ago, and quite by chance, a friend offered to sell me a rare mid-19th century rifle, the design of which I had long found to be of interest. Although I was not at [more…]
Melting a hole through steel: The above image needs a little explanation! The Doc messed up his camera settings and under exposed the image. So I loaded it into Gimp and played with the curves [more…]
The Doc’s ruby laser focused onto a lighter flint. The flint has been glued to the end of a match stick. The ‘explosion’ measures approximately 4 inches diameter. Interesting things to note are the ‘candy [more…]
More information on laser speckle can be found here: Speckle pattern A Mirror Alignment Tool The most important part of constructing a ruby laser (or any laser with external mirrors) are getting the mirrors alligned [more…]
(a ruby rod lit by two bright blue LEDs. Due to the IR filter in my camera the pink colour is actually red. What you are seeing is the absorption of the blue light and the [more…]
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