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  • Sailboat Guide

Prout Snowgoose 35

Prout Snowgoose 35 is a 35 ′ 2 ″ / 10.7 m catamaran sailboat designed by Prout and built by Prout & Sons starting in 1970.

Drawing of Prout Snowgoose 35

  • 1 / 15 Aransas Pass, TX, US 1974 Prout Snowgoose 35 $40,000 USD View
  • 2 / 15 Aransas Pass, TX, US 1974 Prout Snowgoose 35 $40,000 USD View
  • 3 / 15 Aransas Pass, TX, US 1974 Prout Snowgoose 35 $40,000 USD View
  • 4 / 15 Aransas Pass, TX, US 1974 Prout Snowgoose 35 $40,000 USD View
  • 5 / 15 Aransas Pass, TX, US 1974 Prout Snowgoose 35 $40,000 USD View
  • 6 / 15 Aransas Pass, TX, US 1974 Prout Snowgoose 35 $40,000 USD View
  • 7 / 15 Aransas Pass, TX, US 1974 Prout Snowgoose 35 $40,000 USD View
  • 8 / 15 Aransas Pass, TX, US 1974 Prout Snowgoose 35 $40,000 USD View
  • 9 / 15 Aransas Pass, TX, US 1974 Prout Snowgoose 35 $40,000 USD View
  • 10 / 15 Aransas Pass, TX, US 1974 Prout Snowgoose 35 $40,000 USD View
  • 11 / 15 Aransas Pass, TX, US 1974 Prout Snowgoose 35 $40,000 USD View
  • 12 / 15 Aransas Pass, TX, US 1974 Prout Snowgoose 35 $40,000 USD View
  • 13 / 15 Aransas Pass, TX, US 1974 Prout Snowgoose 35 $40,000 USD View
  • 14 / 15 Aransas Pass, TX, US 1974 Prout Snowgoose 35 $40,000 USD View
  • 15 / 15 Aransas Pass, TX, US 1974 Prout Snowgoose 35 $40,000 USD View

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)

The SNOWGOOSE started out as the 34/35, was lengthened over time and became SNOWGOOSE 37.

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1974 Prout 35 cover photo

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  • Prout Snowgoose 35

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Prout Catamarans (GB) Prout Snowgoose 35 for sale in Greece

Make & Model

Prout Catamarans (GB) Prout Snowgoose 35

MEASUREMENTS

Description.

Engine Count

Engine Horse Power

Engine Tankage

ADDITIONAL INFORMATION

Deck Construction

Hull Material

NAVIGATION EQUIPMENT

Depth Instrument

Navigation Lights

Speed Instrument

ELECTRICAL EQUIPMENT

Battery Charger

GENERAL EQUIPMENT

Fire Extinguisher

ACCOMMODATION

Prout Catamarans (GB)

Displacement(kgs)

ABOUT PROUT CATAMARANS (GB) PROUT SNOWGOOSE 35

The Prout Catamarans (GB) Prout Snowgoose 35 is 35 feet long and has a 15 feet beam. This 1973 Prout Catamarans (GB) Prout Snowgoose 35 with 35 horsepower. The Prout Catamarans (GB) Prout Snowgoose 35 is made of gfk. This vessel comes equipped with anchor, battery charger, bilge pump, cd player, fenders, fire extinguisher as well as being equipped with autopilot, compass, depth instrument, gps, navigation lights, speed instrument, vhf.

SIMILAR LOCATIONS

  • Boats in Greece

catamaran snowgoose 35

Meet Jade – An introduction to my sailing catamaran

A tour of my prout snowgoose 35. no, i didn't choose the name.

I bought Jade in May 2017, after spending more than six months searching for an affordable yet blue water capable catamaran.

Jade is a 1977 Prout Snowgoose 35 built to Lloyds Standard in the UK. According to the registration she’s 10.36 meters. A length that works well when it comes to paying mooring fees in the crowded Mediterranean, but on recent measurement I found the length to be closer to 10.67m (35′). I suppose it all depends on whether you include the rudders of not. Either way, what’s 30cm between friends.

The Snowgoose 35 is a three cabin catamaran by design with additional berths in the saloon. Jade however, has undergone something of a conversion, with the starboard bow cabin being turned into a dressing room, and the forward saloon berth partitioned off and turned into a double ‘owners cabin.’ Compared to vessels like the Heavenly Twins 27 and the Commanche 32, I find it to be a wasteful design, but it does keep the boat nice and compact.

In theory, the current layout could sleep five people, six if there is a couple along. In reality, the owners cabin is a true double at 135cm wide, and is the only cabin with standing headroom on entrance. The Port quarter cabin is a decent sized single berth, but is a crawl space. The starboard quarter cabin has been turned into a storage room. Interestingly though, on a passage from Mainland Portugal to Maderia, I did have couple share the port side cabin. Perhaps they hadn’t been together long, or were just cosy sleepers, either-way it did seem to work for them.

This really limits the possibilities when searching for crew, or when having guests on board. It is something that I would like to address at some point in the future.

Compared to similar vessels, I find the bathroom/head, and galley to be spacious, especially considering that I’m sailing single-handed. I’m sure when cooking for more than a couple of people, or taking turns to shower that the space shrinks dramatically. Still, it’s good for now.

The boat was previously owned by a couple who sailed her for around 4 years. It was obviously kitted it out to suit them, but unfortunately some of the design choices leave a lot to be desired. Blue linoleum anyone?! This will be addressed at a later date.

Basic specifications

Prout Snowgoose 35

Length: 10.36m or (10.72m) Beam: 4.57m Draft: 0.84m Sails: Furling main (13.5m2), staysail, genoa (36m2), symmetric spinnaker Fresh water: 300l (150l per hull) Fuel capacity: 125l Engine: Yanmar 3GM30 (coupled to Sonic drive leg) Electricity: 400w solar panels Batteries: 6 Trojan T-105 (in series giving 675amp/h @ 12v) plus a 100Ah AGM starter battery, and 80Ah windlass battery.

In standard trim, Jade weighs in at roughly 3.6 metric tonnes, and while light, she’s not a fast catamaran. The western world was skeptical of multihull boats back in the 60s and 70s, so the Prout brothers, who formerly raced catamarans, set about designing a strong, solid, and most importantly safe cruising catamaran.

The result was the Snowgoose 34. At some point someone must have actually measured one, because they later decided to call it the Snowgoose 35 (since the mould was tad over 34′). Later models had solid GRP hulls with a sandwich core deck, but Jade and those before her are solid GRP throughout. That means there’s little need to worry about rotting balsa core and badly sealed deck hardware, which is alway a bonus on boats.

Back in the 70s she would have been the height of sophistication, and considered truly blue water capable. After all, these boats were built to withstand a pounding sailing around the British Isles. These days with everything getting larger and heavier, she’s considered by some to be a little small for serious offshore duty, but don’t tell that to the many Prout owners that have successfully and comfortable circumnavigated the globe in safety.

Modifications and upgrades

I’ve taken something of a laid back approach with regards to replacements and upgrades for the boat. Instead, choosing to enjoy her for what she is at the moment, and get some miles under my belt before considering refurbishment. By the time I’m ready to winter somewhere (possibly Greece), I’ll have a nice long list of items that need repairing, replacing, and upgrading, as well as idea on decor and other items.

Dometic Masterflush 7210

One item I have changed is the head. The boat came with a standard Jabsco manual toilet. I soon found that having to pump a good 25+ times to properly flush the toilet, was something of a pain. As the waste hose all needed changing anyway, I decided to opt for a Dometic electric fresh water toilet. No more funky smells, blisters, or confused guest.

Dometic CFX50

Refrigeration on boats is always something of a compromise between space, weight, and power consumption. Jade has an excellent Danfoss compressor built into an under counter unit and very well insulated. Unfortunately it stunk. And despite multiple attempts at cleaning it out, I couldn’t find the root of the problem so set about tearing out the whole unit.

This was a bigger job than I initially anticipated, and wanting to get sailing sooner rather than later I opted to seal up the unit, and purchase a Dometic CFX50 portable refrigerator/freezer. At £700, and 20kg, it’s neither light on the wallet or in weight, but it’s probably one of the best portable units on the market.

More to Come

I’ll be working on Jade, throughout the summer, while trying various products and upgrading items as and when necessary. When something worthy of sharing comes along, I’ll update the details and list them here.

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I'm a motorcycle enthusiast turned live-aboard sailor sharing my globetrotting adventures. When I'm not travelling, you can find me over on ADVrider and HUBB forums (username C-M), or Cruiser forums (mikedefieslife)

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Prout Owners Association

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Refurbished Snowgoose 35 for Live-aboard cruising

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Post by Snowgoose 35 » Fri Sep 02, 2016 5:49 pm

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What types of boats do Prout build?

Prout manufactures a range of different types of boats. The ones listed on TheYachtMarket include Multihull , Catamaran , Sloop , Beach catamaran and Cruiser .

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Used boats from Prout on TheYachtMarket.com range in price from £12,000 GBP to £275,000 GBP with an average price of £107,000 GBP . A wide range of factors can affect the price of used boats from Prout, for example the model, age and condition.

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IMAGES

  1. 1973 Used Prout Snowgoose 35 Catamaran Sailboat For Sale

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  2. 1973 Used Prout Snowgoose 35 Catamaran Sailboat For Sale

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  3. Meet Jade

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  4. Prout 35 Snowgoose Catamarans For Sale By Owner

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  5. 1973 Prout Snowgoose 35 Catamaran Sailboat

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  6. Prout 35 Snowgoose Review with Carl Michael

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COMMENTS

  1. Prout 35 Snowgoose Catamarans For Sale

    35 Snowgoose: Length: 35: Builder: G. Prout and Sons: Designer: G. Prout and Sons: Build Start: 1972: Build End: 1978: Loa: 35 feet (10.7 meters) Lwl: 30' (9.15 meters) Beam: ... There are no catamarans currently for sale of this brand. Please see our catamarans for sale page for a full listing of other currently available models.

  2. SNOWGOOSE 35 (PROUT)

    LENGTH: Traditionally, LOA (length over all) equaled hull length. Today, many builders use LOA to include rail overhangs, bowsprits, etc. and LOD (length on deck) for hull length. That said, LOA may still mean LOD if the builder is being honest and using accepted industry standards developed by groups like the ABYC (American Boat and Yacht Council).

  3. Episode 53 Catamaran Boat Tour Prout Snowgoose 35 Special

    This isn't our usual episode, but we've been asked so many times from subscribers and now also patrons, so here it is... our teeny tiny floaty boaty! We love...

  4. Prout Snowgoose 37 Review

    The Snowgoose is her more famous sister that evolved from the earlier 35 footer "Damn Kiwi" is a lovely example of one of these boats. Read Alan's Prout 37 Owner's Review for a great insight into the pros and cons of this catamaran. ... Charter a Prout Snowgoose 37 Catamaran.

  5. Prout Snowgoose 35

    Prout Snowgoose 35 is a 35′ 2″ / 10.7 m catamaran sailboat designed by Prout and built by Prout & Sons starting in 1970. Great choice! Your favorites are temporarily saved for this session. ... The SNOWGOOSE started out as the 34/35, was lengthened over time and became SNOWGOOSE 37. Suggest Improvements Source: sailboatdata.com / CC BY. Embed

  6. Prout Snowgoose 35 opinions

    Re: Prout Snowgoose 35 opinions. Ive sailed the 3 Atlantic crossings and a Pacific crossing in a Prout 33. They were built for the rigours of the North Sea and handled everything that nature has thrown at it so including a force 10.. This was solo so loads of room for 1 person, plenty of room for 2 people.

  7. Solo sailing: Madeira to the Canaries

    A running commentary of my singlehanded passage from Funchal, Madeira to Lanzarote in my 1977 Prout Snowgoose 35 catamaran.This was a relatively rough ride w...

  8. Prout-Catamarans-GB Prout Snowgoose 35 for sale

    The Prout-Catamarans-GB Prout Snowgoose 35 is 35 feet long that boasts a 15 feet beam. This 1973 Prout-Catamarans-GB Prout Snowgoose 35 with 35 horsepower. The Prout-Catamarans-GB Prout Snowgoose 35 is made of gfk. This vessel comes equipped with anchor, battery charger, bilge pump, cd player, fenders, fire extinguisher as well as being ...

  9. 1973 Prout Snowgoose 35 Catamaran Sailboat

    Catamaran > 1973 34' Prout Snowgoose 35 This listing is no longer active. 1 / 7. Sales Status Inactive; Stock # 109260; Category / Type Sail / Catamaran; Make / Model Prout / Snowgoose 35; Year / Condition 1973 / Used; Length / Beam 34' / 15' Related Guides. Catamarans Guide. Discover what makes catamarans unique.

  10. Meet Jade

    The Snowgoose 35 is a three cabin catamaran by design with additional berths in the saloon. Jade however, has undergone something of a conversion, with the starboard bow cabin being turned into a dressing room, and the forward saloon berth partitioned off and turned into a double 'owners cabin.' Compared to vessels like the Heavenly Twins ...

  11. Prout Snowgoose 37 Elite boats for sale

    Find Prout Snowgoose 37 Elite boats for sale in your area & across the world on YachtWorld. Offering the best selection of Prout boats to choose from.

  12. Refurbished Snowgoose 35 for Live-aboard cruising

    1977 Snowgoose 35, in excellent condition with over £20000 spent on refits in the last 3 years. 35 foot catamaran from Prout with Yanmar 3GM30 inboard diesel and Silette drive leg. The engine is in excellent running order with regular servicing, low hours and a full top end rebuild in 2014 with new manifold and exhaust elbow.

  13. Prout Catamarans

    Snowgoose 35. The first of the more modern designs was the Snowgoose 35, a real innovation at the time in 1971. The Snowgoose 35 was produced by Thames Marine under license from G. Prout & Sons. Prout Snowgoose 35 Prout Catamarans Ltd is Born Prout Snowgoose. First cat with the Prout Nacelle

  14. Owner's Review: Prout 37 Snowgoose

    The Snowgoose 37: an owner's perspective. Thank you to Alan from SV Damn Kiwi for helping us out with this owner's review of his lovely looking Prout 37 Snowgoose. This model was one of Prout Catamarans ´ best selling boats. Follow them on Instagram at @sv.damnkiwi. Can you tell us a bit about yourself and the boat. Boat name says a lot ...

  15. Prout Snowgoose boats for sale

    1974. £25,778. 1974 Prout Snowgoose 35 "Wildgoose" An oppertunity to buy a very well built catamran by Prout and Sons. Original look inside and lots of upgrades, including properly replaced engine and sonic drive with low hours (2019, 386 engine hours), 1,5kW solar system 450Ah LiFePo4 battery, and so on… more details down below.

  16. New and used Prout boats for sale

    Used boats from Prout on TheYachtMarket.com range in price from £12,000 GBP to £276,000 GBP with an average price of £108,000 GBP. A wide range of factors can affect the price of used boats from Prout, for example the model, age and condition. Used Prout for sale from around the world. Search our full range of used Prout on www ...

  17. PDF Katamarans

    The New Snowgoose 37 is the most developed and tested production cruising catamaran in the world, Refined through over 500 craft sailing countless thousands of blue water miles, she is the best, providing a balance of speed, comfortand safety unattainable by other comparable craft. For a company producing such a popular craft to further improve the

  18. Prout Catamarans For Sale

    Prout catamarans (UK) have have a history going back 50 years, with a reputation for tough, high quality, popular design and excellent ocean going capability. ... Prout 31 Quest Prout 33 Quest Prout 34 Event Prout 35 Snowgoose Prout 37 Snowgoose Prout 37 Snowgoose Elite Prout 38 Prout 38 Manta Prout 39 Escale Prout 45 Prout 46. Prout 45 (Florida)

  19. PDF Katamarans

    In every way, the Snowgoose 37 Elite is all you could wish for in a cruising boat and we are sure you will get many years enjoyment should you ... Catamarans OVER 35 YEARS OF DESIGN AND CRAFTSMANSHIP Prout Catamarans The Point, Island, Essex SS8 TTL. Telephone: (0268) 511500 & 511011. Telex: 995897 CATS G. Fax:0268) 510094 .