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Help needed building an onager
#19
OK, that seems clear BUT this is a takedown model, not a strung ballista. So that would put the pre-tensioning in a whole different perspective IMHO. Unless the rope would have been wound after the onager had been assembled. This would then however be conflicting with the idea of rapid deployment, would it not? I think I have worked out a way of tightening the bundle, though. Using two wedges with the pointy ends towards one another, this should tighten the cords when these are hammered into place through the loops at the end of the bundel.

Considering the force on the trigger, it is not surprising a hammer should be used to get the locking clamp to release, should a trigger mechanism like the ones on ballista be used. In order to opperate this with a cord, a lever mechanism would be required to release it, much like the Seacatch. This should not be too difficult to build/forge fairly authenticly.
Salvete et Valete



Nil volentibus arduum





Robert P. Wimmers
www.erfgoedenzo.nl/Diensten/Creatie Big Grin
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Messages In This Thread
Help needed building an onager - by Robert - 11-18-2012, 02:42 AM
Help needed building an onager - by Dan Howard - 11-18-2012, 04:02 AM
Help needed building an onager - by Robert - 11-18-2012, 05:35 PM
Help needed building an onager - by Robert - 11-18-2012, 09:07 PM
Help needed building an onager - by Agrimensor - 11-18-2012, 11:24 PM
Help needed building an onager - by Robert - 11-18-2012, 11:34 PM
Help needed building an onager - by Robert - 11-19-2012, 02:10 AM
Help needed building an onager - by Robert - 11-19-2012, 04:34 AM
Help needed building an onager - by Agrimensor - 11-19-2012, 02:44 PM
Help needed building an onager - by Robert - 11-19-2012, 03:17 PM
Help needed building an onager - by Agrimensor - 11-19-2012, 04:17 PM
Help needed building an onager - by Robert - 11-19-2012, 06:13 PM
Help needed building an onager - by Robert - 11-19-2012, 08:28 PM
Help needed building an onager - by D B Campbell - 11-20-2012, 04:33 AM
Help needed building an onager - by Robert - 11-20-2012, 02:38 PM
Help needed building an onager - by D B Campbell - 11-20-2012, 02:45 PM
Help needed building an onager - by Robert - 11-20-2012, 09:05 PM
Help needed building an onager - by Robert - 11-21-2012, 02:07 AM
Help needed building an onager - by D B Campbell - 11-21-2012, 03:36 AM
Help needed building an onager - by Robert - 11-21-2012, 04:13 AM
Help needed building an onager - by Robert - 11-25-2012, 05:45 PM
Help needed building an onager - by Robert - 11-25-2012, 08:45 PM
Help needed building an onager - by Robert - 11-26-2012, 05:50 PM
Help needed building an onager - by Agrimensor - 11-27-2012, 02:52 AM

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