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Foundry & Furnace

GardenBallistics    30 March 2023 30 March 2023    No Comments on Foundry & Furnace

Introduction Originally published: 2015 This page will show you how I built a small home foundry and furnace for melting aluminium and brass for producing some custom metal castings. This… Read more »

Engineering, Projects    aluminium, brass, burner, casting, foundry, furnace, metal, propane

Bipolar Marx Generator

GardenBallistics    31 October 2015 6 July 2022    8 Comments on Bipolar Marx Generator

Introduction Originally published: 2010 A Marx Generator is a type of voltage multiplier circuit constructed using capacitors, resistors and spark gaps. They produce high voltage,  high current DC pulses (non-continuous)…. Read more »

Electronics, Projects    capacitor, high voltage, Marx generator, resistor, spark

Black Powder

GardenBallistics    14 March 2015 6 July 2022    No Comments on Black Powder

Introduction Originally published: 2006 Black powder or Gunpowder is an explosive pyrotechnic composition comprising of charcoal (C), sulphur (S) and potassium nitrate (KNO3, also known as saltpetre). Black powder is… Read more »

Projects, Pyrotechnics    black powder, gun powder, pyrotechnics

Ball Mill

GardenBallistics    14 March 2015 5 July 2022    No Comments on Ball Mill

Introduction Originally published: 2006 This project will show you how I built a ball mill for the process of making finely ground powders. They are often used for the production… Read more »

Projects, Pyrotechnics    ball mill

30kV Flyback PSU

GardenBallistics    14 March 2015 6 July 2022    4 Comments on 30kV Flyback PSU

Introduction Originally published: 2003 This high voltage PSU utilises a high voltage flyback transformer (also known as a Line Output Transformer – LOPT) salvaged from an old black and white… Read more »

Electronics, Projects    flyback, high voltage, psu

Coilgun I

GardenBallistics    12 July 2006 5 May 2023    2 Comments on Coilgun I

Introduction This page documents my first attempt at building a single stage coilgun. The coilgun is capable of firing a small ferromagnetic projectile at high speeds. A coilgun is a… Read more »

Electronics, Projects    coilgun, gauss gun

Potato Cannon II

GardenBallistics    10 August 2005 9 April 2023    No Comments on Potato Cannon II

Introduction This was my second combustion potato cannon. It was a significant improvement in efficiency and size over the first cannon. The following content is from the original project page…. Read more »

Cannons, Projects    cannon, combustion, potato, spudgun

Pneumatic Potato Cannon

GardenBallistics    10 August 2004 9 April 2023    No Comments on Pneumatic Potato Cannon

Introduction After building my first combustion cannon I wanted to try a cannon that was slightly different. The pneumatic cannon works on the principal of using compressed air in a… Read more »

Cannons, Projects    cannon, pneumatic, potato, spudgun

Tennis Ball Mortar

GardenBallistics    7 August 2004 9 April 2023    2 Comments on Tennis Ball Mortar

Introduction This is a really fun launching device mainly due to the sound of the boom when fired! It doesn’t have much of a range when compared to potato cannons… Read more »

Cannons, Projects    mortar, tennis ball

Potato Cannon I

GardenBallistics    11 July 2004 9 April 2023    No Comments on Potato Cannon I

Introduction This was my first potato cannon. It used basic solvent welded plastic pipe fittings from the local hardware store and I didn’t really consider the combustion chamber to barrel… Read more »

Cannons, Projects    cannon, combustion, potato, spudgun

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Recent Posts

  • Foundry & Furnace 30 March 2023
  • Bipolar Marx Generator 31 October 2015
  • Black Powder 14 March 2015
  • Ball Mill 14 March 2015
  • 30kV Flyback PSU 14 March 2015

Recent Comments

  • GardenBallistics on Coilgun I
  • Boo on Coilgun I
  • RAJKUMAR on 30kV Flyback PSU
  • HELVIK6 on Bipolar Marx Generator
  • Ibrahim on Bipolar Marx Generator

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