V1 on skis ?
According to Wikipedia, Swedish inventor Martin Wiberg has a claim to having invented the first pulsejet, in Sweden, but details are unclear.
Looks like a fast way to find thin ice.
They appear to have forgotten the ejector seats too
More crazy Swedes:
World's fastest spark/kicksled - YouTube steam powered
Körning med jetspark på Mosjön 25/11 - YouTube the fun starts at 2 - 2:30 jet with afterburner … but the burner was only running at 50% due to some control issues. the second run starts at 5 minutes
200km/h garden tractor and some other mad stuff…