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Welcome to Siege-Engine.com.
This is the home of Team Tormentum.
We build modern siege engines, compete in charity Chunkin competitions,
make guest appearances for Class Rooms and Television shows,
and are willing to help local charity events using our siege engines.
To learn about our Siege Engine building
team,
or any of our machines, use the links on the right.
Consider helping Team Tormentum maintain this web site of
our adventures by visiting one of our sponsors, or buy
Books from Amazon which
provides the pennies needed to keep a web site like this alive.
Team News:
- Oct 14-16, 2016: Mista Ballista was at Extreme Chunkin at the New Hampshire Motor Speedway
- Oct 23-25, 2015: Mista Ballista was at Extreme Chunkin at the New Hampshire Motor Speedway
- Nov 1-3, 2013: Mista Ballista was at the World Championship Punkin Chunk! See the 2013 Punkin Chunk page.
- May 11-12, 2013: We brought our new treb, and some models to Charles River Museum's steampunk weekend.
- May 4, 2013: We will be attending the Higgin's Armoury's "Siege the Day" event with a new treb custom built for the event.
- Nov 14, 2012: Added the Mista Ballista Bowstring page lending some insight on how we built the bowline, and compounded Mr. B.
- Nov 3, 2012: On the local news on Delaware station WMDT (link is now gone)
- Nov 2-4, 2012: Mista Ballista was at the World Championship Punkin Chunk! See the 2012 Punkin Chunk page.
- Nov 3-6, 2011: Mista Ballista was at the World Championship Punkin Chunk! See the 2011 Punkin Chunk page.
- Nov 4-7, 2010: Mista Ballsita was at the World Championship Punkin Chunk! See the 2010 Punkin Chunk page.
- June 1, 2010: We were part of a big building celebration. Check out the news article about it.
- May 29, 2010: While setting up for an office demolition, the Groupon guy came for a visit and blogged about us.
- Nov 14, 2009: Added the Torsion division in 2009 page.
- Nov 14, 2009: Update several pages about
Mista Ballista for the latest construction and usage features in 2009.
- Nov 13, 2009: Hatra Ballista appears on TV With Gunny on Lock N Load. Original trip report.
- Find out where to read or watch more about Team Tormentum
in the news.
Team Web Log:
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Oct 17, 2016
- Inspect broken bowstring.
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Oct 16, 2016
- Trevor throws a pumpkin 1232.9ft.
- Demo shot goes slightly over 1100 ft
- Trash the bowstring and throwing pouch durin demo shot
- Win 3rd place in Unlimited Catapult and Torsion division!
- Pack up and go home
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Oct 15, 2016
- Throw a pumpkin 966ft
- Add more torque to the bundles
- Pie the next pumpkin.
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To read older logs, see our Web Log.
Random Chunk Picture of the Day:
Get your daily dose of one random Chunkin' Picture from our massive image library.
Shop for Catapult Swag:
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Buy A Book
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Buy a Ballista
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Buy a Trebuchet
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Buy an Onager
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Buy a Trigger
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Buy a Trigger
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Machines sorted by type and size:
| Catapult Style |
Description |
Small |
Medium |
Large |
| Traditional Trebuchet |
Traditional trebuchets are historocal catapults powered by a counterweight, usually
with a heavy weight on one side of the arm, and a sling and projectile
hanging off the other.
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| Traction Trebuchet |
Traction trebuchets are historocal catapults powered by humans
pulling on ropes, effectively acting as the counterweight as with
traditional trebuchets. Traction trebuchets are the easiest to
create and operate, as you don't have lots of weight to bring with
you. You do, however, need to train the counterweight crew.
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| Ballista |
Ballsitas are torsion engines origianly designed around 400BC.
They are powered by two bundles of twisted rope, and arranged in
the form of a big crossbow.
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| Hatra Ballista |
Hatra Ballista is a torsion engine with two bundles. Unlike the
greek ballista, a Hatra ballista is configured so the bowstring
and arms rotate toward the center, providing a much better
configuration for throwing heavy objects.
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| Onager |
Onagers are torsion engines, designed with a single bundle, and
an arm and sling.
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| Air Cannons |
Air Cannons use a resevior of compressed air behind a valve.
When the valve is opened, it will push the projectile down the
barrel. Pnuematic cannons are similar to other kinds of cannons,
but without the use of explosives.
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Treatises:
Learn about our team, how to contact us, what we do, and what we're up to.
Engines Of War:
Team Tormentum has built over 20 different machines of all sorts,
including historically inspired machines such as trebuchets,
ballistas, and onagers, in addition to modern interpretations such as
the Pumpkin Putter, ASOK trebuchet, and our mini air cannon. Some are for
competitions, and others for fun.
Engineering:
Details on things we've learned as we went along, including what not to do.
You won't find any detailed plans for any of our machines, but you will learn
a few tricks and that make our machines work.
Battles:
Team Tormentum drags catapults of all sorts to various public events. Everything
from local High Schools to the World Championship Punkin' Chunk'. We've been
battling for over 25 years and documented over 30 events.
Spare Parts:
Various amusing things such as Cartoons, Poems, projectile art, and links.
Managed by:
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