New Super-Light Payload

There are lots of reasons for wanting to get the payload weight down – it can save money (less helium / smaller balloon), or can mean more height with the same size balloon. Also very small payloads are used for foil balloon flights which, although they only get to 4km […]

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Cloud2 – Lost At Sea

The day started well, with a bright moon shining through and between the broken clouds. Not the last broken cloud of the day! That’s Jupiter below and to the right of the moon. When everyone arrived, we set off to the launch site to get the balloon inflated and the […]

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Cloud2

Cloud2 is my second attempt at a photographic flight. Basically, it’s similar to my first flight but with smaller and lighter GPS receiver, GPS antenna and flight computer. The container is much more compact than before, and is designed for much quicker assembly before launch. A piece of coax connects […]

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Buzz1 is Ready

With the software all written and tested, it was time to package the electronics into Buzz’s spaceship. That involved unsoldering all the wires then connecting everything up again using measured lengths of fine wire. Here’s the tiny flight computer: I fitted the components into the spaceship top, except for the […]

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Success!

On Sunday, with great help from some friends, I successfully launched and retrieved the balloon, recovering complete video footage of the entire flight.  Not everything worked (see below), but nevertheless I’m very pleased with the result. The morning started with at around 9am, feeding the helpers with tea, coffee, bacon […]

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Ready To Launch …

An update is well overdue, so here it is … I needed a suitable radio receiver both to test that my radio transmitter was working OK, and to track the balloon during the flight.  After a couple of abortive purchases I ended up with an AOR AR8000 which is a […]

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Name That Tune

Next job was to get the transmitter running and prove it was transmitting correctly by hooking up a receiver to decode the radio signal.  The program waggles a single output pin which is then reduced in amplitude and offset a little to match the transmitter’s requirements.  Here’s the resulting signal […]

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