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Dave Gerr

What Mast Rake is All About

Mast rake is the angle at which a mast slopes aft from vertical as viewed from the side. In the rare event that a mast

Propeller Blade Area

A few times every year a client will ring my office about putting a larger engine in their sailboat. It’s almost always for the same

Headsail Sheeting

Many seperate details make a boat close-winded, but one critical factor often overlooked is the headsail sheeting setup. The most exquisite hull form with the most modern rig in the world won’t sail well to windward if the headsails can’t be trimmed in close enough to get the sails to do their work.Headsail sizes are defined in terms of their luff perpendiculars (LP) as a percentage of

Stability is the Key

For multihulls, there are four important indicators of performance and stability: the Bruce Number; the Real Performance Index; the Stability Number; and the Stability Factor.Bruce NumberBruce Number is another form of the sail area-displacement ratio (a power-to-weight ratio). It shows how much sail area relative to displacement (weight) a boat has, but tells nothing about a

sailboats sailing into a sunset

Tricolor Trial

When sailing on a micro budget, the ability to troubleshoot is a priceless skill, as Chuck Hawley discovered on one shakedown cruise back in 1979. 

Women sailing a boat

Do We Still Need Women’s Regattas?

A recent post titled Why I Cringe Over Female-Only Sailing Events caused a stir online. After sailing in last week’s Boston Harbor Ladies Challenge, Editor-in-Chief Lydia Mullan weighs in.  

Sailboat racing course

117th Chicago Mac

250 boats squared off last week on Lake Michigan’s famous 333-mile course and found the full spectrum of race conditions awaiting them.

Tallship in New York with the statue of liberty

Gorch Fock Victorious Again

After the 4th of July festivities in New York City, the international tallship fleet continued its tour of the eastern seaboard, heading up to Boston.

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