Medieval war machines

components

fulcrum

lever arm

sling

counterweight

physics

potential energy -> kinetic energy

lever arm = large amount of movement

variables

sling length

short + long arm

counterweight

fulcrum position

optimisement

beam ratio 4:1

weight ratio = 133:1

sling length = length long arm

loading = inefficient

firing

trigger release

power

twisted rope

swing arm

history (H)

Greeks

Medieval Era

'throw'

building and design (H)

tension

accurate

range < trebuchet

physics (C,B)

elastic potential energy -> kinetic energy

composition/size