2006, 2007
ASA Sailing Instructor of the Year!
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- Bob Diamond has been the Head Sailing Instructor at Spinnaker
Sailing since 1984 and is a USCG licensed Master and an Instructor
Evaluator for The American Sailing Association. Bob has
been organizing and leading group bareboat charter sailing trips
since 1987 and is currently doing 2 sailing trips a year to
locations in The South Pacific, Sea of Cortez, The Caribbean,
and The Mediterranean. (Destinations vary annually based on
active interest)
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| What is apparent wind? |
Whatever wind you are feeling on a moving platform be it a boat, bike, skateboatd, running... usually referring to direction but can also refer to speed as well. eg: while riding on a boat you feel the wind coming 15 degrees over the port bow at about 12 knots. This is apparent wind as true wind can only be observed from a stationery platform. |
| If boats are so much heavier than water, how do they float? |
Boats not only carry wood, fiberglass, canvas and such, they also carry vastly more amounts of air, which is much lighter than water. Think of a bottle floating on a pool. The bottle when full of water will sink, but empty it is full of air which enables it to float. |
| What is Hull Speed? |
The maximum speed with which a displacement boat may move through the water. This is usually a mathematical calculation of 1.34 times the square root of the length of the boat at the waterline. |
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For more information submit the following form
or e-mail: Bob
or call Spinnaker Sailing (650) 363-1390
to plan your next bareboat charter.
Click
here to view previously asked questions and answers.
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