EPQ Drone

The valveless pulsejet has a complet e lack of moving parts in its construction 1 . An obvious benefit to this is its rel iability , requiring almost no maintenance to operate 2 . They can also operate in extreme conditions , with cheap materials and even cheaper methods of construction 3 . These use cases ma…

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Making a DIY math symbol MacroPad for under £7

A macropad is a small keyboard that plugs into your PC and has custom buttons you can program yourself. As a Christmas present for a friend who tutors online, I decided to make my own macropad with each key featuring a mathematical symbol. When tutoring online, and trying to type math equations, yo…

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Making a telemetry system for a go-Kart

Ever since a friend and I obtained a used go-kart from Facebook Marketplace, we have wanted to emulate the feel of a real Formula-style kart as closely as possible.  When sitting in the kart, you get the sense that you are in a machine that can propel you to speeds that you cannot imagine, just cen…

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Designing and building a physics-based gym product for under £9

A common question I see asked in the gym is 'How many reps was that?' When you are pushing your body to the limits of what it can do, it is pretty much impossible to count the number of times you do an exercise, especially near the end of the workout. There are definitely devices that can a…

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