SuperAntennaz with silent drivers and fan cooling

SuperAntennaz style rotator testing

listening to a nanovna with the ft817

Thunderstorm and lightning in Umeå 2021-07-10

Welding railway with thermite, Umeå Sweden

Tvätta sin öl

Oggy fishing for food

SK4MPI heard from aurora, next gen beacon

Old stereo making funny noises

First high power run of the DRSSTC

Sheet metal tig winning

Oggy the cat, eating

Running the pulse jet on flat tarmac

Pulse jet tricycle

Running the pulse jet on propane + E85

Running the pulse jet on propane + E85 gopro blower edition

Another run of the pulse jet

Trying liquid propane/butane on the pulse jet

Trying new fuel injection in the pulse jet

Test launch with surprised bystanders

2014-05-03 Small turbo with afterburner

First successful run of the big pulsejet

DIY pulse jet. Built in a poorly equipped garage in an evening.

Running the jet engine from a microcontroller. Beer and marshmallows (:

Running the gas turbine 2013-11-01

Stötdon typ TUA från 1960

Stort arc xenon strobe

Trying out the liquid fuel injection on the gas turbine combustor

Rubidium standard vs HP oven controlled crystal (OCXO)

Ants, lots of frakin ants