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Seller's Description

Go to Sailing Texas classifieds for current sailboats for sale Montgomery 17 1980 General condition and any additional information You will be hard pressed to find a better rigged M-17. Superb sails, Easy to rig, easy to sail. Legendary Montgomery strength and capabilities in this Lyle Hess designed trailerable. Title and registration in hand. Asking $7850 or reasonable offer, May trade for Crawford Melonseed or exceptional M-15 Boat stored mast up at Lake Pleasant,AZ ready to sail.

Standard features

Tall rig per factory plans (21” taller- excellent for light air - not overpowered in a breeze!) Shoal draft keel w/centerboard (operates as designed/built -NO BINDING), dry sailed freshwater boat. Stored on trailer all its life - dry bilges. Trail-Rite trailer with 3 recent Goodyear tires,keel guides and 1000# jack - No rust on trailer. V-berth and 1) quarter berth, galley area with sink. Room for head. Boat is stored on the hard/mast up - ready to sail.

Extra gear included

Boat was setup to race single handed, all controls are easily accessed and work smoothly- EASY to SAIL- Owner is retired sailboat dealer/marina operator - professionally done modifications.

BOAT NEEDS: New interior cushions (I have Sunbrella furniture fabric for covers)

Topsides (hull deck joint to waterline) painted - 1/2 is barrier coated sanded (white) other 1/2 is sanded gelcoat -yellow. Deck shows typical wear-no repairs needed.

Improvements to the hull, deck, rigging, engine, or interior

3-Dyneema halyards (internal) with polyester covers, all lead to top of house at Spinlock stoppers, Custom Ballenger Spars mast,fixed aero spreaders,welded masthead. Spinnaker and gear, 8 sails- One full set of Ullman Race sails, Mainsail-dacron, Ullman carbon tri-radial 155%, Quantum race jib 140%, Ullman race 110% race jib - all in excellent shape., North Sails cruising suit including M,J,G. and 170% dynac drifter, used for non-racing sailing - good condition. 2) Lewmar #7 aluminum winches at top of house, 2) Barient #6 winches at coaming. Custom fixed aluminum motor mount, Stainless steel folding boarding ladder, 4:1 vang w/cascade, 6:1 backstay adjuster w/cascade, whisker pole, boat hook, Blue Seas electrical panel and switch.Sealed battery. Custom Stainless steel polished handrails, Starboard brand HDPE hatch boards and rail wood, Custom fiberglass airfoil shaped rudder. Internal outhaul and aft reef line.

Aluminum toe rail. One very large cockpit lazarette and one small - sealed laz. in cockpit. Foredeck hatch. Fixed portlights replaced with tinted tempered glass. Custom Stainless steel welded adjustable aft mast carrier extends to assist in mast raising, Backstay flicker, masthead wind indicator. Split-tail mainsheet Phoenix, AZ

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Specs

Designer
Lyle C. Hess
Builder
Montgomery Marine Products
Associations
?
# Built
?
Hull
Monohull
Keel
Swing
Rudder
?
Construction
FG

Dimensions

Length Overall
17 1 / 5.2 m
Waterline Length
15 9 / 4.8 m
Beam
7 3 / 2.2 m
Draft
1 8 / 0.5 m 3 6 / 1.1 m
Displacement
1,400 lb / 635 kg
Ballast
550 lb / 249 kg

Rig and Sails

Type
Sloop
Reported Sail Area
154′² / 14.3 m²
Total Sail Area
?
Mainsail
Sail Area
?
P
?
E
?
Air Draft
?
Foresail
Sail Area
?
I
?
J
?
Forestay Length
?

Auxilary Power

Make
?
Model
?
HP
?
Fuel Type
?
Fuel Capacity
?
Engine Hours
?

Accomodations

Water Capacity
?
Holding Tank Capacity
?
Headroom
?
Cabins
?

Calculations

Hull Speed
6.8 kn
Classic: 5.33 kn

Hull Speed

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.

Formula

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

6.8 knots
Classic formula: 5.33 knots
Sail Area/Displacement
19.7
16-20: good performance

Sail Area / Displacement Ratio

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.

Formula

SA/D = SA ÷ (D ÷ 64)2/3

  • SA: Sail area in square feet, derived by adding the mainsail area to 100% of the foretriangle area (the lateral area above the deck between the mast and the forestay).
  • D: Displacement in pounds.
19.69
<16: under powered
16-20: good performance
>20: high performance
Ballast/Displacement
39.2
<40: less stiff, less powerful

Ballast / Displacement Ratio

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.

Formula

Ballast / Displacement * 100

39.21
<40: less stiff, less powerful
>40: stiffer, more powerful
Displacement/Length
158.0
100-200: light

Displacement / Length Ratio

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.

Formula

D/L = (D ÷ 2240) ÷ (0.01 x LWL)³

  • D: Displacement of the boat in pounds.
  • LWL: Waterline length in feet
158.04
<100: ultralight
100-200: light
200-300: moderate
300-400: heavy
>400: very heavy
Comfort Ratio
9.4
<20: lightweight racing boat

Comfort Ratio

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.

Formula

Comfort ratio = D ÷ (.65 x (.7 LWL + .3 LOA) x Beam1.33)

  • D: Displacement of the boat in pounds
  • LWL: Waterline length in feet
  • LOA: Length overall in feet
  • Beam: Width of boat at the widest point in feet
9.37
<20: lightweight racing boat
20-30: coastal cruiser
30-40: moderate bluewater cruising boat
40-50: heavy bluewater boat
>50: extremely heavy bluewater boat
Capsize Screening
2.6
>2.0: better suited for coastal cruising

Capsize Screening Formula

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.

Formula

CSV = Beam ÷ ³√(D / 64)

  • Beam: Width of boat at the widest point in feet
  • D: Displacement of the boat in pounds
2.62
<2: better suited for ocean passages
>2: better suited for coastal cruising

Notes

Early boats had a fixed keel.
In addition, a flush deck version was also available.

This listing is presented by SailingTexas.com. Visit their website for more information or to contact the seller.

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