My step is just held in with 4 lag bolts. While you're right about the forces, the support beam and standing rigging are what really keep the mast up and in place. I wouldn't sweat the base plate too much.
From: Keay Edwards <keay at keay3.net>
To: tuna at myfleet.org
Sent: Monday, March 5, 2012 9:40 PM
Subject: [Santana 22] Thoughts about mast step.
Major geek question. Any one have any cogent thoughts on the lateral forces applied to the mast step on the Santana 22? I am curious if the mast base plate needs to be through bolted to the underside of the support beam.
I heard somewhere that the force for every 1 lb applied to forward motion of the boat there are 4 lbs applied laterally. This is close hauled.
On further reflection the ratio of 1 to 4 might be for an unstayed mast.
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