Which trebuchet-type is the best

[Mihaela20]

[madmattd]

Any other requirements/goals? "Best" is pretty subjective, and depends on requirements, goals, etc. Without any experience with trebuchets, a standard HCW (hinged counterweight) is the simplest and easiest to learn how to tune. Whippers are finicky, the walking arm is mainly aimed for an event where there is a total machine weight limit (thus putting as much of that weight limit towards counterweight as possible), MURLINs aren't that bad conceptually to tune but are tricky to build optimally.

Does the 1x1x1 meter max include the arm sticking out at rest, or a cocked dimension?

The "one with the CW over the arm" is a whipper by the way.

[Mihaela20]

Thanks for the hints and the reply.
We didn't get much of information, so I think the size limitation is for the cocked dimension and the machine should throw an projectile our choice as far as possible. So you say that a HCW or a MURLIN are appropriate? And if the MURLIN is build correctly, does it throw then further than a HCW?

[madmattd]