I'd love to mess with a pulse jet but it's hard to put into words how loud even a small one is.
In other news I beat my personal FPV speed record when we were out yesterday morning (bit of a cheaty dive though to scrape it past 100mph):
Attachment:
speed.png
Motor seemed to be well within limits, though. So next time out I'll try a prop with more pitch and see if it can go faster still before anything melts.