Photos added 5/13/10

47-Plus Diesel Duck

Another model, just a bit different than the others. The way it's going it appears eventually there will be a new DUCK available in 1 foot increments. That seems silly but, there's been a reason for each new one so I've quite wondering about it!

 

The basic ship, no fly bridge, but a nice cockpit. A remote auto pilot allows you to roam the whole deck and drive so the flybridge isn't really needed. You can stand on the roof and drive into tight places, using the cable system of the auto-pilot. If you dare of course!

The above may be true but just the same, I like a flybridge and would almost certainly have it!

Here's how I'd set her up. This interior would be a great liveaboard both for cruising or at the dock!

In 2010 one was started in Argentina, where conditions can get a bit exciting. We decided a low 2 masted rig would be a good option. It hoists enough sail to move her in a breeze, is easily handled, and versatile. I did two versions; the one shown first below is a "pilot schooner" rig, using a loose footed "fore. the second version is a staysail schooner. It won't work with the fly bridge, but since I'd have a fly bridge, that doesn't matter!

And here's what the two sail plans look like hoisted. Note she has running back stays. These would be appreciated if you're deal with nasty weather down by "The Horn". Normally they're left tied off to the rigging as shown on the larger drawing above the sails drawing.

 47 Plus Duck HYDROSTATIC CALCULATIONS

SETTINGS DIMENSIONS
LOA 49.75 ft
LWL 48.48 ft
Bmax 14.23 ft
BWL 13.80 ft
Draft max 5.50 ft
Volume 1127.76 ft3
Displ. 72176.63 lb.

COEFFICIENTS
Prismatic 0.657
Block 0.318
Midships 0.484

MOMENTS
Waterplane 0.789 Trim 1 in. 8117.6
Heel 1 in. 1931.8
Trim 1 deg. 82730.6
Heel 1 deg. 5606.6

RATIOS
L/B Ratio 3.51
D/L ratio 283
Lbs./In. 2815

AREAS
Waterplane 527.88 ft2
Wetted Surf 781.51 ft2

CENTROIDS
LCB 25.76 ft (50.7% aft)
LCF 26.91 ft (53.1% aft)
VCB -1.34 ft STABILITY
XWS 27.05 ft (53.4% aft) GM trans 4.45 ft
ZWS -2.31 ft GM long 65.67 ft

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