Mechanics

Making Carbon Composite Tanks!

14 Sep 2022 | By Finn | Mechanics

Both Tanks we build so far are made out of carbon and glass fibre composite with an epoxy matrix. The tanks consist of an inner composite liner, two composite bulkheads with a threaded aluminium adapter embedded, and a composite sleeve over the whole thing.We used a 6K 70mm carbon fibre sleeve and an 80g/m2 plain …

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Machining fittings for Poseidon!

23 Jul 2022 | By Finn | Mechanics

We machined the fittings for the poseidon water rocket in the student workshop of our university. After turning the two fittings in a lathe, boring the axial holes and cutting the axial theads, we milled the sides and drilled the radial holes. The left fitting connects the main valve (inner thread, G1/4) to the water …

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Machining parts for test tanks

17 Jun 2021 | By Finn | Mechanics

Before we build the flight-ready tanks for the Poseidon Rocket, we’re going to manufacture test tanks to see how they’re going to perform and hold up to the expected pressures.You can find the concept and design of these tanks in a previous article: Poseidon Tanks: Concept and Design. As discussed previously, the tanks must have …

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Poseidon Tanks: Concept and Design

02 Apr 2021 | By Finn | Mechanics

FAR so far The FAR test platform has tanks made out of PVC. We chose this material because it’s quick and easy to build a tank out of, and can sustain a pressure of about 8 bar. Additionally, it is relatively cheap and available. However, these PVC tanks are not flight ready. They weigh almost …

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Thrust and Valve Fundamentals

22 Jan 2021 | By Finn | General, Mathematics, Mechanics

Hey there! Right now, we are in the beginning of development and have to test the basic concepts first, so take this following stuff with a grain of salt. As for the mechanics, this means things like tank and valve fundamentals. Because we want to have the capability to control the thrust of the rocket, …

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Water Rockets for beginners

08 Oct 2020 | By TCR | General, Mathematics, Mechanics

Hey everyone, our goal with Project Poseidon is to develop an advanced waterrocket. Before we start with such an ambitious project, it is very important to actually understand the key physical principles behind waterrockets in general. We want to achieve that with the next three blog articles: This one will cover the basics. The second …

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