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Jeckyl Hyde Video


Posted Apr 13, 2008 by Matt | Tags: site updates, news

The log from last Sunday's launch with Jeckyl and Hyde is now available, along with a brief video of all the shots we took that day. The bottom line is that while we have fixed the issues with the secondary trigger, we have not fixed some other design flaws, pertaining to the fact that the in riggers are too close to the hanger arms, and a couple of other issues. For these reasons, we are not going to release the Jeckyl and Hyde plans, despite the fact that they are 90% finished for public usage. The machine has just too many issues to make it safe enough for others to be using, even if just using the frame to support a standard trebuchet. Sorry to all those who were waiting for those plans the last couple months, perhaps someday when we build a new King Arthur those will be released, as we now have a good handle on what needs to be done for a good King Arthur.

Tags: site updates, news

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Use "common sense" when operating trebuchets and catapults. Even little ones can be dangerous. Do not place anything you are not willing to lose in the plane of the arm rotation (this includes yourself, body parts, car windshields, cameras, etc). These catapults and trebuchets are capable of throwing just as far backwards as forwards, and the use of a backstop of some sort is recommended, though the use of one does not make the region behind it safe.

Also, just because the throw got away safely downrange does not mean the end of the danger. The arm is likely still swinging wildly along with the counterweight, and there is a sling whipping around. One thing many people fail to take into account is this sling; some people put a metal ring on the slip end of the sling and this ring can HURT when whipping around!

Have fun hurling, but please KEEP IT SAFE!!!