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Simpson - Catamarans

Simpson cats are ....

6.5 Metre Woodwind

This sheet plywood chine cat is an easy and affordable project. Full size patterns are provided to speed up the construction process.

Powerd by a Yamaha 9.9hp outboard

Specs

 
Type: catamarans
LOA: 6.50 m - 21' 3"
Beam: 3.90 m - 12' 9"
Draft: 0.30 m - 12"
Sail Area: 30.50 sq m - 328.18 sqf
Displacement: 4800.00 kg - 10560 lbs
Plan Price: AUD $1250.00
(Product Code: 1-216-121)
 
Purchase Plans

Breton 7.3

A compact weekend bridgedeck cat, perfect for camping holidays with enough performance to satisfy the yearning for the odd race or two.

The "Breton berth", athwarteships in the bridgedeck allow maximum accomidation for a 24' boat. the hulls contain single berths, galley and shower/head.

Strip plank construction.

Specs

 
Type: catamarans
LOA: 7.30 m - 23' 11"
Beam: 4.50 m - 14' 9"
Draft: 0.60 m - 1' 11"
Sail Area: 23.00 sq m - 247.48 sqf
Displacement: 1100.00 kg - 2420 lbs
Capacity: 5 Crew
Plan Price: AUD $1012.00
(Product Code: 1-216-96)
 
Purchase Plans

8.2 Metre Backslash

High performance cruising and racing at its level best with enough room for a family of four.

Full standing head room in the hulls, galley, inside dining area and seperate shower/head.

The knucled hull is designed for fast strip plank construction, though above the knuckle sheet ply may be used. Cambered cold molded deck and alloy beams for simplicity.

Specs

 
Type: catamarans
LOA: 8.20 m - 26' 10"
Beam: 4.80 m - 15' 8"
Draft: 0.30 m - 12"
Sail Area: 59.70 sq m - 642.37 sqf
Displacement: 1300.00 kg - 2860 lbs
Capacity: 4 Crew
Plan Price: AUD $990.00
(Product Code: 1-216-97)
 
Purchase Plans

9 Metre Groundeffect

This semi bridgedeck cat was designed after much demand for this style of boat in this size range.

The interior is roomy with 3 double berths, one of wich is cantilevered. Performance is well taken care of with the strip planked, knuckled hull form and a very respectable fractional rig.

A choice of daggerboards or mini keels may be used. Powered by a Yamaha 9.9hp outboard.

Specs

 
Type: catamarans
LOA: 9.05 m - 29' 8"
Beam: 6.00 m - 19' 8"
Sail Area: 51.82 sq m - 557.58 sqf
Displacement: 2524.00 kg - 5553 lbs
Capacity: 6 Crew
Plan Price: AUD $990.00
(Product Code: 1-216-102)
 
Purchase Plans

9 Metre Sine Wave

The Sine Wave is a new concept of styling in the poular 9 metre range. Curves and angles are welded into a pleasing profile with a workable interior.

The rig and deck layout ensures that she'll give safe fast passages for the cruising sailor.

Strip plank construction.

Powered by sail drive.

Specs

 
Type: catamarans
LOA: 9.10 m - 29' 10"
Beam: 5.50 m - 18' 0"
Draft: 0.90 m - 2' 11"
Sail Area: 59.89 sq m - 644.42 sqf
Displacement: 3170.00 kg - 6974 lbs
Capacity: 6 Crew
Plan Price: AUD $ POA
(Product Code: --)
 

9.1 Metre Woodwind

Most backyards have the space to build this woody ...and it can be built right side up allowing most of the fitout to be done before the planking!

A full description of the suspended frame method is included in the study plans. She has a knuckled hull with full standing headroom.

A simple to bulid multichine hull within the skills of an amatuer builder.

Powered by 9.9hp Yamaha outboard.

Specs

 
Type: catamarans
LOA: 9.10 m - 29' 10"
Beam: 5.50 m - 18' 0"
Draft: 0.85 m - 2' 9"
Sail Area: 39.76 sq m - 427.82 sqf
Displacement: 1850.00 kg - 4070 lbs
Capacity: 4 Crew
Plan Price: AUD $1210.00
(Product Code: 1-216-135)
 
Purchase Plans

10 Metre Wildside

Fast to build and fast to sail, this is a performance cruiser with excellent living space and and payload capacity ...the best of both worlds.

She has a knuckled round bilge hull designed for strip plank construction. Options of side deck and a choice of daggerboards or mini keels.

Diesel sail drive powered.

Specs

 
Type: catamarans
LOA: 10.00 m - 32' 9"
Beam: 5.95 m - 19' 6"
Draft: 0.48 m - 1' 6"
Sail Area: 58.20 sq m - 626.23 sqf
Weight: 3200.00 kg - 7040 lbs
Displacement: 3964.00 kg - 8721 lbs
Capacity: 6 Crew
Plan Price: AUD $1265.00
(Product Code: 1-216-106)
 
Purchase Plans

10.2 Metre Cat

An enormously popular boat that is easy to build by the amatuer.

She offers good offshore capability and above average accomodation in a boat this size with a high payload capacity.

Several design options are available such as a doghouse extension to the cabin top to extend bridgedeck headroom, masthead or fractional rig, transom hung rudders or skeg rudders and transom steps and a choice of strip plank or foam core sandwich construction.

An evergreen in cat design. Diesel sail drive powered.

Specs

 
Type: catamarans
LOA: 10.20 m - 33' 5"
Beam: 5.90 m - 19' 4"
Draft: 0.80 m - 2' 7"
Displacement: 3628.00 kg - 7982 lbs
Capacity: 6 Crew
Plan Price: AUD $1210.00
(Product Code: 1-216-108)
 
Purchase Plans

10.3 Metre Woodwind

A very popular, simple and economical cruising design with the most boat for the least expense.

She is a true backyard boat, both hulls can be 90% built before moving to the water for final completion. A considerable amount of the fitout can be done at the stronback stage.

There is full standing headroom throughout with a maximum use of space with minimum wastage. With plenty of stowage and locker space with a huge deck design for outdoor living.

Diesel sail drive powered.

Specs

 
Type: catamarans
LOA: 10.30 m - 33' 9"
Beam: 6.10 m - 20' 0"
Draft: 0.85 m - 2' 9"
Sail Area: 49.75 sq m - 535.31 sqf
Displacement: 4800.00 kg - 10560 lbs
Capacity: 5 Crew
Plan Price: AUD $1210.00
(Product Code: 1-216-110)
 
Purchase Plans

11 Metre Cat

A performance orientated offshore cruising cat designed to be simply and economically built.

She is well proven in terms of livability and stability.

Powered by either sail drive or shaft and strut diesel.

Specs

 
Type: catamarans
LOA: 11.00 m - 36' 1"
Beam: 6.50 m - 21' 3"
Draft: 0.90 m - 2' 11"
Sail Area: 65.50 sq m - 704.78 sqf
Displacement: 4445.00 kg - 9779 lbs
Capacity: 6 Crew
Plan Price: AUD $1375.00
(Product Code: 1-216-112)
 
Purchase Plans

11.88 Metre Cat

A fast and modern cruising cat offering style, high performance and a high payload capacity.

The flared hull keeps the waterline narrow whilst vastly increasing usable interior volume.

Strip Plank construction

Sail drive or shaft and strut diesel.

Specs

 
Type: catamarans
LOA: 11.88 m - 38' 11"
Beam: 7.00 m - 22' 11"
Draft: 0.55 m - 1' 9"
Displacement: 4900.00 kg - 10780 lbs
Capacity: 4 Crew
Plan Price: AUD $1540.00
(Product Code: 1-216-114)
 
Purchase Plans

12 Metre Cat

This is a fast, handsome and popular boat with accomo dation arranged around space and privacy.

There's a potential to sleep 9 on board and two shower/head compartments can be accomodated. Plenty of stowage space and deck area complete the design.

Strip plank, foam core or cold moulded construction

Sail drive or shaft and strut diesel power.

Specs

 
Type: catamarans
LOA: 11.88 m - 38' 11"
Beam: 7.01 m - 22' 11"
Draft: 0.90 m - 2' 11"
Displacement: 5170.00 kg - 11374 lbs
Capacity: 6 Crew
Plan Price: AUD $1760.00
(Product Code: 1-216-116)
 
Purchase Plans

12.01 Cat

Of a similar style to the 12M cat, ths boat offers a different style od accomodation with wider bridgedeck saloon.

The siting of the shower/head compartment also divides the boat into private appartments, an appreciated feature in long distance cruising. This arrangement has also been used succesfull in the 12M "Fly by Niter" ...it certainly works. There is, of course, large and unclutterd deck space.

Strip plank or foam core construction.

Sail drive or shaft and strut diesel power.

Specs

 
Type: catamarans
LOA: 12.01 m - 39' 4"
Beam: 6.30 m - 20' 8"
Draft: 0.93 m - 3' 0"
Sail Area: 67.49 sq m - 726.19 sqf
Displacement: 5440.00 kg - 11968 lbs
Capacity: 8 Crew
Plan Price: AUD $1760.00
(Product Code: 1-216-116)
 
Purchase Plans

12.2 Metre Woodwind

This design is the result of an inundation of a large amount of requests for a larger Woodwind.

She is a multi-chine, sheet ply boat capable of being built to 90% completion before final assembly at the water's edge.

She has 3 double berths, a seperate shower'head compartment, agalley with indoor dinette and a vast amount of usable deck space.

Powered by sail drive diesels.

Specs

 
Type: catamarans
LOA: 12.20 m - 40' 0"
Beam: 7.00 m - 22' 11"
Draft: 0.95 m - 3' 1"
Sail Area: 69.48 sq m - 747.60 sqf
Displacement: 4756.00 kg - 10463 lbs
Capacity: 6 Crew
Plan Price: AUD $1210.00
(Product Code: 1-216-136)
 
Purchase Plans

13 Metre Cat

This design offers many oppurtunities for a fast modern ocean cruiser.

With generous accomodation and a large saloon she is ideal for cruising or a charter boat. There are twin cockpit doors to give a light airy feeling when open.

Optional transom steps.

Powered by sail drive or shaft & strut diesels.

Strip plank, foam core or cold moulded construction.

Specs

 
Type: catamarans
LOA: 12.80 m - 41' 11"
Beam: 7.06 m - 23' 1"
Draft: 0.95 m - 3' 1"
Sail Area: 83.95 sq m - 903.30 sqf
Displacement: 5966.00 kg - 13125 lbs
Capacity: 8 Crew
Plan Price: AUD $1650.00
(Product Code: 1-216-134)
 
Purchase Plans

13.7 Metre Cat

A large luxurious design that offers accomodation for up to 9 people matched by a high capacity payload.

She has proven to be an extremely worthy charter vessel in the Florida Keys.

A bridgedeck walk-in galley compliments the main saloon. Access from the cockpit is via the chart and wet locker area. Engine compartments are accessed from the deck.

There is also a large boarding platform/dinghy stowage area on the aft deck.

Powered by sail drive or shaft & strut diesels.

Strip plank construction.

Specs

 
Type: catamarans
LOA: 13.70 m - 44' 11"
Beam: 7.04 m - 23' 1"
Draft: 1.00 m - 3' 3"
Sail Area: 81.00 sq m - 871.56 sqf
Displacement: 7043.00 kg - 15495 lbs
Capacity: 9 Crew
Plan Price: AUD $1870.00
(Product Code: 1-216-137)
 
Purchase Plans

8.3 Metre Catamaran

A simple to build round bilge coastal cruising catamaran.

There's an unusual amount of room in this 27" boat. full standing room in the hulls, access steps up to forward cabins and a bridge deck table large enough to seat the whole crew all at once.

All bunks are full length and yhere's plenty of stowage space.

Specs

 
Type: catamarans
LOA: 8.30 m - 27' 2"
Beam: 4.94 m - 16' 2"
Draft: 0.70 m - 2' 3"
Sail Area: 58.22 sq m - 626.45 sqf
Displacement: 2370.00 kg - 5214 lbs
Plan Price: AUD $990.00
(Product Code: 1-216-100)
 
Purchase Plans
 
     
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