[PUP] sea anchor discussion

[bill]

The best read on sea anchors I have come across is
'The Sea Anchor & Drogue Handbook' by Daniel Shewmon,
copyright 1995.  I don't believe he is still alive.

He formed his corporation, Shewmon, Inc., in 1978 and
accomplished the following:  "pinned down the
definitions of both sea abchors and drogues, produced
the first sea anchors independent of parachute
technology, discovered a simple relationship between
sea anchor diameter and vessel draft, dteremined the
relationship between sea anchor diameter and vessel
displacement, produced the first commercial
self-opening drogues, and produced the first
commercial self-opening variable pull drogues"

One table in his book shows the relationship between
flat (Paratech) sea anchor sizes and monohull vessel
displacement and descibes sizes for power vessels up
to 538,000#.

Another table shows sizing for his hybrid Mark 12 sea
anchor for power vessels up to 3,000 tons.

I have carried his sea anchors on my last 2 boats; he
used to provide a copy of his book with a purchase.  I
doubt it is still in print but there must be many
copies at large.  I guess for this boat I will need to
go with Florentino or Paratech....

Bill


 
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