petrel 12 aluminum sailboat

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Petrel 12' Aluminum Sailboat - Anyone familiar with this?

• Thread starter Toller
• Start date Jun 1, 2014
• Jun 1, 2014

I bought one of these yesterday. It hasn't been in the water in 30 years and needs alot of work, but all the major components are sound. Does anyone know this boat that could possibly give me some help? If not, is there another website that might? I would dearly love a manual, but I know that is too much to expect. Thanks.  

Lieutenant Commander

• Aug 17, 2014

katiekatsails

• Sep 6, 2023

Hi Scoutabout. I have a Petrel dinghy sailboat with the fair lead plastic completely worn away. I have been looking for how to replace it and your post gave me some hope. Where did you purchase your replacement piece? MODERATOR EDIT: Please review the forum rule about old threads.  

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Alcan Springbock Petrel 12

• Add to quote

Has any one owned one? Designed by Phil Rhodes around 1966. All aluminum, 12 feet long, about 225 pounds maximum payload 630 pounds. Foam between sole and hull gives some ballast and supposedly reduces risk of turtling in a capsize. Aluminum centreboard and rudder (I think). About 100 square feet of sail area. Self bailing cockpit. Nice little storage cubby under spray deck self bailing cockpit, fractional sloop.  

I video'd a walk around of the boat. The only thing she was missing was the cockpit self draining plugs, so I fashioned some out of laundry detergent lids, shock cord and butyl tape. All loaded up with beach towels and an over flowing picnic basket. Going to take her for a rip with the kids down the river to the next village. Btw, found her Portsmouth rating. She rates about the same as a Mirror or Oday Wigeon, so might be able to do some Portsmouth racing with her next season with my 6 yo.  

Attachments

All you need now is the mast & sails from a Lightning...  

Took her out for a spin today from my town boat launch. Wind was weird. 10 gusting to 20. River is only 300 feet across so no sea state. Wanted to test out how she sailed reefed down. Went with single reefed main and working jib. Was too little sail for the conditions and I found my self kind of squatting centre line a lot. Only my 3rd day owning the boat, so need to work on technique etc, but she sailed pretty well in spite of my rusty ways. .  

Thanks for the quick reply! You are likely correct on the floor as the previous owner said it weighed a ton when he got it. He did replace the orignal foam with about 40 pool noodles which is likely a decent replacement. I'm a building contractor and what I know about spray foam, should I go that way, I would have to use commercially applied 2lb foam as store bought foam is not closed cell. I like your rubber ball nail system. From what I read somewhere that the orignal system was a baffle with shock cords, but haven't found any actual details on it.  

Well we took thw Petrel out for a sail on Sunday and was really impressed! Didn't have a lot of wind most of the day, but still managed to get some distance covered. Did get about 20 min of decent wind so got the wife counter-balancing so that was fun! Wondering though what you are using for a trolley for the main sail over the tiller? I thought I had the dual-roller trolley that goes on the rope over the tiller but for the life of me I cannot find it.  

The bridle for the traveller is just rope, maybe 3 feet long 1/4 or 3/8 3 strand. The main sheet attaches to the bridle with a Pelican type hook.  

Arcb said: @Offshore Dreamer Hi, yes, I still have the Alcan Petrel. Great little boat. I have a couple of bigger boats that are more work to launch. This boat is super easy to launch, practical layout for a picnic boat and good camping boat for father and son/daughter. It also doubles as our fishing boat at times. No doubt they removed the cockpit sole to replace the 50 year old foam flotation. It can get heavy when waterlogged. So you will want to put something in there for flotation so you don't sink in a capsize. The self bailing system is simple, but effective. Mine came with the original rubber plugs, but they were dry and cracked, so I replaced mine with 2 indian rubber balls and a length of shock cord to keep them in place. When the boat is floating normally, water pressure, along with the shock cords hold the plugs in place. According to the owners manual, in the event of a capsize, you release the shock cord while righting the boat to let the water drain, then tension the shock cord before climbing back into the now dry boat. The only disadvantage I have seen with this system, is when there is a lot of weight in the boat, some water does invariably leak in through the plugs. Aside from wet feet, this isn't a problem. I took a couple of pics of my rubber ball plugs. The boat isn't cleaned up for the season because our trailer where we intend to keep it is still closed because of you know what. View attachment 139272 View attachment 139273 Click to expand...

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Alcan Petrel 951 Sailing Dinghy

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sail boat, 12ft aluminum Petrel, no trailer

• Price: Contact seller
• Condition: Used
• Make: Petrel
• Model: Aluminum
• Location: Morganton, North Carolina, United States

Description

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• Sailboat Guide

Pearson Petrel 12

Pearson Petrel 12 is a 12 ′ 0 ″ / 3.7 m monohull sailboat designed by William "Bill" Tritt and built by Pearson Yachts starting in 1964.

Rig and Sails

Auxilary power, accomodations, calculations.

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

Max Speed/Length ratio = 8.26 ÷ Displacement/Length ratio .311 Hull Speed = Max Speed/Length ratio x √LWL

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.

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.

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.

Ballast / Displacement * 100

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.

D/L = (D ÷ 2240) ÷ (0.01 x LWL)³

• D: Displacement of the boat in pounds.
• LWL: Waterline length in feet

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.

Comfort ratio = D ÷ (.65 x (.7 LWL + .3 LOA) x Beam 1.33 )

• D: Displacement of the boat in pounds
• LOA: Length overall in feet
• Beam: Width of boat at the widest point in feet

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.

CSV = Beam ÷ ³√(D / 64)

Thanks to Matt Tritt, son of the designer, for providing corrections and additional information.

This PETREL should not be confused with another PETREL dinghy, built of aluminum (1966) in Canada and designed by Rhodes. (We probably helped to promote this error for a number of years.)

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Pearson Yachts Portal

The Pearson Petrel : 1962

12-foot sailing dinghy.

Old New England Cat Goes Modern

The Petrel has many desirable new features to complement her traditional beauty with just enough rich wood inside trim to make this modern counterpart of the old New England cat-rigged centerboard dinghy a distinguished modern sailboat.

This unique, salty 12-footer retains all the traditional beauty of line and sail rig of the old New England cat-rigged centerboard dinghy... but with one big difference! That difference... the ingenuity used by Pearson in mastercrafting the Petrel in beautiful, low-maintenance fiberglass. The Petrel has many new features to complement her traditional beauty... blends rich wood inside trim with today's materials. If you desire outstanding performance, enjoy the pleasing appearance of the craft of yesteryear, but want you pleasure to last, this distinguished, modern sailboat is for you! Easily cartopped or trailed... rigged with ease in minutes! Can be converted quickly to 12 foot rowing dinghy... will take small outboard..

Grumman Boats 1962

Specifications

Standard equipment.

• Hinged mast partner with step guide for easy mast stepping and lowering
• Rotating aluminum mast and aluminum boom
• 85 sq. ft. loose-footed dacron sail
• One-piece fiberglass sole with watertight centerboard trunk
• Full flotation
• Completely self bailing
• Stainless standing rigging
• Nylon running rigging
• Nylon rope rubrail
• Friction level-operated fiberglass centerboard
• Tilt-up fiberglass rudder
• Marine bronze hardware

Easily cartopped or trailered, rigged with ease in minutes!

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Petrel mast diameter please.

• Thread starter PeterW
• Start date Feb 26, 2023
• Forums for All Owners
• Ask All Sailors

That's the 12' Petrel Thanks  

PETREL 12 (PEARSON) - sailboatdata

PETREL 12 (RHODES) - sailboatdata

JohnShannon

He is talking the Alcoa Petrel they are a small aluminum sailing dinghy I haven't seen one for half a century or so, but as I recall picture 2 is nearer the mark. It is a sloop not a catboat  

Thank-you folks.  

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Springbok Petrel SB-12 Brochure

Original manufacturer / promotional brochure.

Date: 1970s Pages: 2 in Color Size: 8.5 x 11 opens to 11 x 12 Condition: C8 Condition Details:  Fold Marks

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I love sincere , honest sailboats; I don’t believe that a sailboat can perform well in family cruising, buoy racing, offshore racing. This was my leading concept when I choose to design Petrel 28 plans: a sturdy, reliable, safe, honest, roomy, mediterranean cruising sailboat suited for homebuilders.

This means that for this sailboat I start to develop coherently a totally new hull, with quite symmetric lines, a decent but not excessive maximum beam, more than an eye to the seakeeping performances, and just a glance at speed performances, somehow a “classical modern hull”, developing hull lines that can be built from plywood panels with “radius chine” system . The three sailboats launched (two by homebuilders), and the thousands miles sailed, confirmed that my goals have been reached: the Petrel performs beautifully in every conditions, from light air to rough seas, has a great amount of stability when heeled, keep a straight line without viciously pointing the bow on the wind under gusts, it’s a very enjoyable sailboat to helm with a fingertip even on strong winds, somehow more similar to classic sailboats than to modern ones. Thanks to a good sailplan (mainsail + jib+ small gennaker) , the pace is quite good in every condition, the sailboat reaches his critical speed, around 6 knots, very easily, accelerating steadily after the tacks even in light winds, although the sailboat is not a featherweight one. Interiors are simply huge for a 8.5 meters sailboat, height is more than 1.75 meters in the whole cabin; a family of four people have a more than a decent accommodations for a medium range cruise. Hatches makes all the cabin very bright. The hull is built in plywood and epoxy, with radius chine solution, which is probably the smartest way to make a round hull without getting in too much troubles for a homebuilder; bulkheads, hull planking, deck and cockpit surfaces are all in marine grade okume or mahogany plywood, while keel , stem, longitudinal stringers and deck and cockpit battens are in solid mahogany wood. All is glued together by epoxy resin and glass tapes reinforcements, to form a very sturdy hull quite fast to build for a homebuilder. In the snapshots on the gallery you can see the 2013 version of plans with a more modern line for the plywood cabin, giving more pleasing lateral line to the sailboat with a minimal loss of internal volume; plans are available both in english and in italian and in imperial units upon request.

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