David Turner

March EARS Launch Day

We went to the March EARS Launch Day.  We launched two rockets: Pulsar, a kit built by freshers last term, and Isis, a rocket built last year. Here’s Pulsar going up on a G-motor: And here’s Isis on a 4-grain I:

Skunk!

A while ago, the nice folks at Bronkhorst gave us a helium-compatible gas flow meter on loan.  This shiny (literally) bit of kit allows us to deliver precise quantities of helium to our high altitude balloons, hopefully increasing the accuracy of our predictions.  The flow meter needs control from a PC (with an RS232 port!), …

Skunk! Read More »

OkGo!

Some of our team have recently been developing a prototype hybrid rocket motor.  Our motor was to be ignited by lighting a length of slow-fuse, waiting for the fuse to burn down some of the length of the fuel, then opening a valve to allow the oxidiser to flow through the fuel.  The oxidiser valve …

OkGo! Read More »