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This Allmand 31 is built to sail. This Allmand 31 was built by builders known for their performance and sea-worthy vessels. These hulls were made for sailing in shoals and deep water depending on the adventure you seek!
The Allmand 31 has a very wide beam of 11’ 4” that makes the interior more spacious and features a 6’ 4” headroom that also makes the boat more appealing for most sailors.
The mast is stepped on deck and has a stainless steel compression post that sits on the ballast.
All the through-hulls and seacocks are bronze and part of the grounding system along with the rudder and drive shaft.
VHF Radio and Nw hand held VHS radio New Garmin depth finder with charts (velcro mounted to cockpit dining table) 2500watt Cobra Invertor E-Pirb Autohelm 5000 WP- autopilot needs to be remounted Bonding wires connect for electrolysis protection connected to all through hulls and stuffing box 1 bilge pump wired to batteries, 1 auxilary 500gal/minute bilge pump w/switch at panel, whale hand operated pump, 2 hand held manual bilge pump Lots of new marine 12 gauge electronic wiring interior with 110 outlets, electronic repair parts, multi meter, light bulbs, etc.
SHIP SYSTEMS 2-20lb propane tanks in vented locker Par head & holding tank 2Y-valves for overboard or pump out deck fitting (new 2000) Engine Raw water system cleaned and rebuilt New Hot & Cold pressure PEX water system, New water pump, On demand heater for shower New Jabsco hand pump for toilet Rebuilt double macerator black water system with holding tank, odor filter (no smells, hardly used) New par pump for head floor drain - switch at panel DECK & RIGGING 40lb Plow………… w/200’ Chain/rope rode 30lb Danforth anchor w/75 Chain/rope rode 20lb Plow stern anchor 150 rope rode Dock lines and Fenders, 100’s of feet extra lines Deck-stepped rig single spreader Boom Vang, All new Internal Lines mast & Boom Roller Furling on head stay 2 Mainsheets, 1 Jib 4 Halyard & Furling Winches with clutches refurbished and lubed Temporary Plastic dodger and bimini Lots of extra sail rigging MISC. 5 offshore life jackets, Engine spares box w/ belts, filters, impellers etc, Flairs, 2 spot lights Bosons chair, Mast Steps, 2 Fire extinguishers, Cockpit cushions, 1 Solar vents main and twin cabin-not functioning, Transom Outboard Motor Bracket, Transom boarding ladder, Binoculars, 1 aluminum & 1 chrome winch handles, extra prop, Katadyne Survivor 35 hand pump Water maker, All teak refinished, many ceiling panels replaced, new vinyl wall panels, Inflatable dunnel bags to prevent sinking, Ditch bag, Hull Painted Summer 2020, Dive gear, Deck wood treated with Sikkens Cetol. 3 Hatches refitted, stainless burglar proof bolt on hath panels, Swinging companionway doors, and reinforced sliding door All the above equipment is included in sale, Seller invested $20,000. in parts and labor over the last
The theoretical maximum speed that a displacement hull can move efficiently through the water is determined by it's waterline length and displacement. It may be unable to reach this speed if the boat is underpowered or heavily loaded, though it may exceed this speed given enough power. Read more.
Classic hull speed formula:
Hull Speed = 1.34 x √LWL
A more accurate formula devised by Dave Gerr in The Propeller Handbook replaces the Speed/Length ratio constant of 1.34 with a calculation based on the Displacement/Length ratio.
Max Speed/Length ratio = 8.26 ÷ Displacement/Length ratio.311
Hull Speed = Max Speed/Length ratio x √LWL
A measure of the power of the sails relative to the weight of the boat. The higher the number, the higher the performance, but the harder the boat will be to handle. This ratio is a "non-dimensional" value that facilitates comparisons between boats of different types and sizes. Read more.
SA/D = SA ÷ (D ÷ 64)2/3
A measure of the stability of a boat's hull that suggests how well a monohull will stand up to its sails. The ballast displacement ratio indicates how much of the weight of a boat is placed for maximum stability against capsizing and is an indicator of stiffness and resistance to capsize.
Ballast / Displacement * 100
A measure of the weight of the boat relative to it's length at the waterline. The higher a boat’s D/L ratio, the more easily it will carry a load and the more comfortable its motion will be. The lower a boat's ratio is, the less power it takes to drive the boat to its nominal hull speed or beyond. Read more.
D/L = (D ÷ 2240) ÷ (0.01 x LWL)³
This ratio assess how quickly and abruptly a boat’s hull reacts to waves in a significant seaway, these being the elements of a boat’s motion most likely to cause seasickness. Read more.
Comfort ratio = D ÷ (.65 x (.7 LWL + .3 LOA) x Beam1.33)
This formula attempts to indicate whether a given boat might be too wide and light to readily right itself after being overturned in extreme conditions. Read more.
CSV = Beam ÷ ³√(D / 64)
First introduced as the SAIL 31.
A similar model was advertised as the ALLMAND 312 (same hull and deck) with some differences in the interior layout.
Tall rig:
I: 43.0’/13.11m
J: 12.0’/3.66m
P: 36.3’/11.06m
E: 12.5’/3.81m
Dimensions from orig. builder literature.
This listing is presented by PopYachts.com. Visit their website for more information or to contact the seller.
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