Kids at school used to buy cheap Jetex rocket engines, and mount them on little balsa gliders or Dinky cars. They went fast! [Edit] https://jetex.org/index.php

Kids at school used to buy cheap Jetex rocket engines, and mount them on little balsa gliders or Dinky cars. They went fast! [Edit] https://jetex.org/index.php/the-jetex-heyday https://jetex.org/index.php/the-jetex-heyday