All those 60s, 70s, 80s and 90s kids out there may remember the classes of model rocket engines – generally A, B, C, and D sized engines used to push your cardboard tube with balsa fins skyward.

GoPros are [Joe Barnard]’s camera of choice for his increasingly advanced rockets, but even the smallest models don’t quite fit where he needs them. They also overheat quickly, so in the video ...