C Cymru Well-Known Member Joined Sep 10, 2020 Messages 911 Reactions 865 Age 40 Location Uk Aug 2, 2022 #41 250g limit came into being due to the impact force in joules a human head can withstand without damage which was the initial EASA requirement. 250g is the nearest conversion of that to a practical weight. Reactions: Pallidin
250g limit came into being due to the impact force in joules a human head can withstand without damage which was the initial EASA requirement. 250g is the nearest conversion of that to a practical weight.