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Help needed building an onager
#7
Looks good Robert!
I like the look of the bowed beams. It allows the frame to be made from a thinner orignial log and there is no need to build it up by stacking and riveting logs on top of each other.

Two things you might want to consider are ditching the ratchet in favor of simply using the winch poles backed against the rear crossmember and turning the crossmembers about 45 degrees to line up better with the arc of the arms travel.
P. Clodius Secundus (Randi Richert), Legio III Cyrenaica
"Caesar\'s Conquerors"
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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 P. Clodius Secundus - 11-18-2012, 11:12 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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