• Dec 27, 2007: Updated 2007 Chunk Torsion Division page with real results, and more info on "The Plague".
  • Dec 23, 2007: Updated Various Animators with new javascript code.
  • Dec 3, 2007: New F2K trebuchet is for sale!
  • Nov 27, 2007: Set up pages for buying catapult kits or plans.
  • Nov 6, 2007: Added some Videos from in several pages of the 2007 Punkin Chunk.
  • Nov 5, 2007: Added 2007 Punkin Chunk page for Mr. B, Hatra B, and those divisions.
  • Oct 24, 2007: Added a launch animation to shooting page.
  • Oct 23, 2007: Updated page for Hatra Jr Arms and bowline and Spring Frame page. Added a new page for Deployment. We got our first pumpkin launch today of 210ft at low torque. What fun!
  • Oct 20, 2007: Updated pages for Hatra Jr pages for Torsion, and Arms and bowline.
  • Oct 8, 2007: Updated all pages for Hatra Jr with latest construction pictures.
  • Oct 7, 2007: Added a page for the Flying Pumpkins test day.
  • Oct 6, 2007: Updated two Mista Ballista pages. 2005 Rope Upgrade and a page for our new Power Pack.
  • Jan, 2007: Read about our new kid-toy; Vacuum Bazooka!
  • Nov, 2006: We are back from the 2006 Punkin Chunk. 3rd place in torsion!
  • Jeff is recently back from building an all steel treb for a music video. Watch it toss a piano. See it being built.Look for the full blown video on MTV sometime later this year, or on YouTube now.
  • The History Channel "Cabbage Cam" video is now available. You have to sit thru a commercial first.
    The show filmed during the 2006 History Chunk will be on Oct 31st
  • Come see Mista Ballista at the 2006 World Championship Punkin Chunk
  • Started a Hatra Ballista Jr page. The machine isn't done yet so check back regularly.
  • Converted this site's source into a new version of TWiki. Beware mystery formatting changes.
  • We're back from the 2006 Zukapult contest!
  • Added the Kid-A-Pult page.
  • Jeff plays camp counselor - As part of "Summer Voyage", has kids build a traction Trebuchet.
  • Mista Ballista was filmed for the History Channel again on July 10th.
  • Updated Torsion page, some onager pages.
  • Jeff is just back from Britain filming Scrapheap Challenge. If you live in Britain, expect to see him on TV sometime in December 2006 or January 2007.
  • This entire site is currently (June 2006) undergoing organizational changes, and is adopting Google Video services to replace all the existing video clips.
  • Added A Web Site Tech page to describe how this website is maintained.
  • Added History Chunk 2006 page after filming on June 7th.
  • Added a page for Baby Hatra Balista which has had the basic framework completed.
  • June 13th several of our machines will be at a public school in West Hardford Connecticut.
  • We are filming on June 7th for a show called Man Moment Machine for an episode about Alexander the Great, and his torsion catapults.
  • We attended the 2005 Punkin' Chunk and had a great time.
  • For the Mista Ballista page set:
    Updated the Torsion page with news on our latest techniques.
    Updated the Arms page with a few missing pictures from original construction.
    Added the 2005 Frame Upgrade page to discuss how we are recovering from last years structural failure.
    Added the 2005 Rope Upgrade page to discuss our current project to upgrade the rope used in Mista Ballista.
  • Added Zukapult 2005 web page.
  • Eric and Onager Jr. will be competing at the Zukapult contest on August 20th in Vermont.
  • Siege-engine.com has moved to new servers on June 28th.
    Thanks Ron for the many years of serving up www.siege-engine.com!
  • Team Member Dave and Andrea Shepard have a new baby Logan! June 11th, 2005, 7 lbs 2 oz and 20-1/2" long.
  • Team Member Roger appears in USA Today.
  • Started the Punkin Chunk 2004 page.
  • Team Member Roger shows up in the local newspaper loading a pumpkin into Mista Ballista.
  • Visit with Team Tormentum at the World Championship Punkin Chunk on Nov 4th through Nov 7th.
  • Added a Pumpkin Putter 2004 upgrades page.
  • Eric and Amy have a new baby Ian! Oct 7th, 2004, 6 lbs, 4 oz, and was 19 inches long
  • Team Member Roger moved on Sept 4th.
  • Team Member Eric moved on Aug 30th, 2004 to a new place with a chunkin' field out back.
  • Team member Roger got married on June 6th, 2004.
  • Added some new book suggestions.
  • Added a new page for Mista Ballista about how we built arms for it.
  • Added a Catapult Geek Calculator to the Spare Parts section.
  • Added a Second page to Baby Ballista about bowstring experiments.
  • Added a Search Box for this web site.
  • Added a Punkin Chunk 2003page set.
  • Added Deployment and torsion pages for Mista Ballista.
  • Team Tormentum will be at the World Championship Punkin Chunk in the Torsion division Oct 31st through Nov 2nd.
  • Added video clips to Asok, Cardan, and Scissor trebuchet pages.
  • Added a Scissor Treb page explaining the latest experiment trebuchet design.
  • Added a Mista Ballista trailer page, with pictures of our home built trailer, designed for towing giant ballistas on the highway.
  • Check out Mista Ballista Mystery Parts page, with pictures of the goodies we've been collecting.
  • See pumpkins fly on the Food Network. Team Tormentum wasn't there but other chunkers were. Airs March 4th at 9:30pm.
  • The Cardan Gear Trebuchet was built in February.
  • Our small catapults are appeariing on Feb 15th in the Watertown Museum of Industry.
  • See Punkin Chunkin on the Discovery Channel, Feb 2nd at 9pm EST.
  • Our newest small trebuchet, Baby ASOK was finished in January 2003
  • Our small machines will be appearing at Bennington Vermont High School the Monday before Thanksgiving.
  • Read about our valiant efforts at chunking pumpkins at the Punkin' Chunk' in 2002.
  • Team Tormentum will be chunking at the 17th Annual World Championship "Punkin Chunkin", November 1-3. Come see MistaBallista chunk pumpkins in the unlimitted catapult division.
  • Team Tormentum will be making a TV appearance on Modern Marvels A TV show produced by the History Channel. The first air date will be Feb 26, 2002 at 10pm. You can see my report here. See the History Channel's episode summary.

    Repeat Schedule: Saturday, March 16th 2002, 5pm

  • Steve Jackson Games gave us the "Illuminated Site of the Week Award" on Dec 21st (Just in time for Christmas.)
  • Bennington Beacon had an article about when we went to Bennington High School to show the kids some big machines.
  • Eric and Amy have a new Baby Owen! January 16th, 2001. 6 lbs, 9 oz, and was 19 inches long.
  • Siege-engine.com hits Slashdot. An event that caused a massive surge of traffic to this site.
  • Wired News Article Unfortunatly, this link doesn't seem to be active anymore, but was once an interview of our team about this odd Fringe Culture.
  • Marlboro Enterprise newpaper Sept. 14th, 2000.
    An interview with me as The Catapult Man of Hudson
  • Club Media Punkin Chunk 2000 Video Our machine Pumpkin Putter appears in this video spinning up pumpkins, and also in the picture gallery.
  • Eric and Amy have a new baby Trevor! October 16th 1999.
  • Entertainment Tonight, November 8th, 1998.
    In a spot about the Punkin Chunk, Juggernaut was visible in 5 frames as a 6 pixel high yellowish blob.
  • Onager.net includes pictures of Pumpkin Putter in the Chunk 2000 section.