Floating Arm Trebuchet (FAT)
A fixed counterweight trebuchet where the Counterweight is forced to fall straight down by a counterweight guide. The axle is allowed to roll forwards and backwards on a rail.
Machines
Power Source
Gravity or Springs
Advantages
- Efficient when tuned
- Forced increase in projectile path by axle displacement allows lower arm ratio and therefor a larger drop than a comparable FCW
Disadvantages
- Harder to make than an FCW or HCW
- Track gap
Pictures
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