ironwolf
Ferrum Lupus Exuro in Abyssus

Siege wespons are used in conjunction with field combat in battle situations. This requires restrictions on power or poundage of the recurve bow, and bolts of a safe design to hit men in armor. Trebuchets, ballistas, and catapults are included in this class. Here are pictures of ballistas.
For more, go to http://www.sca.org/officers/marshal/combat/c_archery/ or http://www.siegetheday.info/