[Homestead] Boats, the icing on the cake---twin keels

Tvoivozhd tvoivozd at infionline.net
Wed Sep 1 20:20:36 EDT 2004


And of course, twin rudders and diesel engines.  When your single engine 
quits or gets a rope wrapped around the propellor on a rocky lee shore, 
it can ruin your whole day.



http://www.boatbuilding.com/content/twinkeels/  (twin keel advantages, 
particularly with twin rudders and twin engines not discussed here)

http://drinian.homestead.com/files/twins.htm  (a guy who sails twin 
keelers, they sail more comfortably, more safely and in areas of 
considerable tidal change can't be beat---they stand upright on their 
twin keels at low tide, and as the tide comes in, stay upright all the way.)

http://www.kastenmarine.com/roll_attenuation.htm  (twin keel 
roll-reduction and stellar combination of Lore Riverdale and Naval 
Architect Arthur Robb in the twin keep Bluebird of Thorne---the last of 
which is in the U.S. at Lopez Island in the San Juan Islands of Puget 
Sound---a steel fifty-footer owned by Jeff and Dianne Dyerl)

I like twin rudders for redundancy, and buried in the twin keels two 
diesels, both for redundancy and the fact that nothing is better than 
the ability to steer a boat in critical situations by differential 
throttling of two engines.

http://www.mirage-mfg.com/html/lesson1.html  (I also like twin keel 
sailboats ao you can anchor them at high tide on a sand bottom, and work 
on the exposed bottom, rudders, propellers at low tide.  Anyone sailing 
in warm waters knows how quickly barnacles collect on a ships 
bottom---with a twin keel boat you can get them off in a couple hours 
instead of having to go to a marine repair facility and winch them out, 
and haul them out on a marine railway to a site where you can prop them 
up and work on them---a slow and expensive proposition.)




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