While sailboats are primarily powered by wind, the use of an engine (technically your sailboat engine is “auxiliary power”) is crucial for certain maneuvers and situations. All of this begins with understanding the momentum of a sailboat!
Coming up to a Tee-head is more the situation where you need to spring on. The need for accuracy in your maneuver is heightened when the space is tight.
With Dual Rudders there is no ability to spring the boat onto or off the dock! You have no water velocity over the rudders from either boat velocity or propwash.
Sailboats, and boats in general, use their gears and throttle to control momentum. It’s unlike driving a car in that you have no brake! Instead, you use your forward and reverse gears and throttle to both increase and decrease speed…
Some have compared maneuvering a catamaran with driving a bulldozer. Well . . . perhaps!
There are two combined reasons that work in unison to create propwalk.
Mediterranean Mooring Techniques is where the rubber meets the road—or, in this case, where the gel coat does not touch the big bad hard concrete wall.
There are several ways to sail the Grenada/Grenadines areas: A one-way drop of starting in St. Vincent or even the farther island to the north of St. Lucia and ending in St. Georges, Grenada OR you can start in St Georges, Grenada and sail north then returning to St. Georges. The one-way drop-off option whereby you start in St Vincent or St Lucia costs a little more to have the boat delivered back north but it does create a great trip as the wind angle for most of the trip will be a beam reach or broad reach on your port. We don’t recommend doing a one-way drop off whereby starting in Grenada and sailing north as this will mostly be close hauling all the way with many tacks making your time unrealistic.
When a monohull sailboat has dual rudders, the boat will act with different characteristics than with a single rudder. Thus, the point of this module is to help you maneuver a dual-rudder monohull sailboat.
Like a work of fine engineering, a spring maneuver requires a design. The key is to plan the maneuver by considering the wind, current, and other obstacles, then design the placement and directions of the forces and moments.
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