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37 minutes ago, Kenchington said:

I'd have to see the original wording to be sure, but the rake of the after face of the post was a matter of hull design (influencing the run of the planking) whereas the gradient of the inner face was only of structural concern. Even then, the post was only one part of a complex structure involving deadwood, possibly keelson, likely a large standing knee, maybe an inner post and so on. It would make much more sense to quote a single value for the rake if that referred to the after, outer face.

 

Rudders could (and did) function perfectly well on raked posts. Indeed, even a post erected perpendicular to the keel was likely to be raked once the vessel was trimmed for sailing, with the heel slightly deeper than the forefoot.

 

Trevor

@Kenchington,Trevor here's the exact section of the Staghound article which includes the exact specs supplied to Duncan McLean by McKay's Shipyard. I've also included a close up detail of the stern on McKay's twin packets sketch which shows how the aft stern is thicker below than above. 

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