rs700 sailboat

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• Sailboat Guide

RS700 is a 15 ′ 4 ″ / 4.7 m monohull sailboat designed by Nick Peters/Alex Southon and built by RS Sailing starting in 2001.

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 extension of the wings/rack on the RS700 is adjustable to accommodate sailors of different weights. Beam: 6.33’/1.93 m) or 7.67’/2.34 m (maximum beam with racks extended) Asym. Spin. Area: 166 sq ft/15.4 m2

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Sailboat specifications

• Last update: 20th March 2020

RS 700's main features

Rs 700's main dimensions, rs 700's rig and sails, rs 700's performances, rs 700's auxiliary engine, rs 700's accommodations and layout.

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Simply put, the RS700 takes the singlehanded lessons that sailors master aboard the Laser and other one-person dinghies and elevates it to an entirely new level of speed and high-performance thrills thanks to its asymmetric spinnaker, jib, extendable hiking-wing bars and trapeze wires. The result is one of the most exciting—and rewarding—singlehanded rocket ships afloat.

Much like other boats in the RS Sailing line, the RS700’s hull is built using epoxy and fiberglass for stiffness and strength, and its “foam-sandwich” construction ensures a featherweight finished product. In addition, the RS700 uses a system of lead weights and extendable hiking-wing bars to eliminate size or weight advantages amongst skippers during organized regattas.

• Single trapeze rig keeps the sailplan in check.
• Spinnaker chute simplifies spinnaker sets and takedowns.
• Carbon-fiber mast with flexible top section provides automatic gust control.
• Ergonomic cockpit design helps facilitate solo sail handling and simplifies racecourse maneuvers.
• Extendable hiking-wing bars with foot loops increase hiking leverage.
• Corrector weights eliminate weight advantages and help ensure fair play.

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Single-handed sailing dinghy 700 skiff regatta single-trapeze

Characteristics

4.7 m (15'05" )

Max.:  2.23 m (7'03" )

Min.:  1.92 m (6'03" )

49 kg (108 lb)

29 m² (312.2 ft²)

Description

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Sky International

After years of development RS believe the Aero is the most technically advanced boat in its sector. Which explains why its the most exciting and best-selling modern single-hander. Easily handled too. Astonishingly, the RS Aero weighs about the same as an Optimist. That drives everything about its incredible user friendliness through transporting, rigging and launching – before you even experience the addictive sensations afloat.

Complex thinking leading to beautiful simplicity. The RS Aero ignites the pure excitement of sailing in its least complicated form. Three rig sizes enable youths, ladies and guys to enjoy the ride. Already an International Class , the community is building fast for the most competitive sailors. It’s a phenomenon.

Three rig options typically suit:

• Youths – RS Aero 5
• Women & light men – RS Aero 7
• Men – RS Aero 9

The RS Aero ignites the excitement of sailing in its least complicated form – complex thinking leading to beautiful simplicity. It is affordable and, with RS Sailing’s global distribution network, assured of worldwide success.

See product description below for full details.

The RS Aero is available in a couple of setup options, please go to the official site www.rssailing.com to see the full range of options. We are here to help too, feel free to get in touch and we can help with pricing and details, please call +852 2827 5876 or us our contact page .

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• Description

RS Aero Features

Exhilaration  .

• Ultra-light weight changes the game afloat and ashore.
• Sail an RS Aero for the pure exhilaration
• Lift on the roof alone or with a youngster – rig in minutes – launch with ease.

World Sailing International Class

• Incredibly fast growing around the world – by the best-selling modern single-hander.
• Event programmes building quickly
• World Championships from 2017 onwards
• One-design competition – RS community etho
• Testing shows that 4m length is long enough to support the larger helmsman, without being a handful for small sailors to launch and recover
• 1.4m beam conveniently fits a normal roof-rack
• A chined hull is the correct approach, giving the sailor more reserve stability
• The chine peels off spray when sailing down wind and gives greater dynamic stability
• The flatter hull panels of a chined hull allow construction from normal flat sheets of PU foam, reducing the weight of the core bond (cores designed to mould around tighter curves “absorb” more resin into their score cuts or honeycomb).
• The chine sits just below the water line amidships – for several advantages:
• A 35kg sailor gains approximately the same waterline beam and hence the same hull form stability as a heavier sailor
• The waterline beam and wetted surface does not change significantly with an increase in helm weight
• The RS Aero is so light there is less inertial mass to pull against when moving in during a lull or header – compensated for by the flatter hull and increased form stability from  the buoyant chine area
• The chine has a small lip to reduce spray drag and for precise positioning of the computer cut foam panels during construction
• Fine bow for upwind sailing, stable mid sections and a relatively wide transom.
• Transom shape fine tuned to ensure the RS Aero planes bow up (analogous to the trim tabs on a powerboat stern).
• Vertical bows are common in “box rule” dinghies and yachts built to rating systems. We chose a raked bow for this one-design because measured waterline length pressures don’t apply and:
• It leads to greater flare in the forward 20% of the topsides, giving reserve buoyancy and forgiving handling in waves – it is easier and more efficient during the lamination process, leading to cost and consistency efficiencies in volume production – it makes the Aero’s valuable stacking system possible. Function over fashion.

Gunwale design

• As the RS Aero is relatively narrow we have optimised the width with the modern approach of running the gunwale parallel to the centreline in the aft half of the boat. Advantages are:
• Maximum righting moment wherever the helm sits out, irrespective of fore and aft position
• When capsized the topside buoyancy is kept to a minimum – the boat floats lower allowing easier reach to the daggerboard
• The abrupt change of deck line at the front of the cockpit allows a fine bow without pushing out the overall width or the topsides forward
• Easier to sit alongside a RIB or the dock
• More space to tie the mast sections alongside the boat on a roof-rack
• Store or transport more easily on its side
• RS have used the “biscuit tin” (smooth) join for close to 10 years on the RS Elite, but chose a U section gunwale for the RS Aero because:
• It creates an important carbon laminate “box frame” around the boat and distributes rig loads through a light, efficient structure – it makes righting the boat from inverted faster and safer – the gunwale gives a significantly drier and more pleasant ride upwind & tight reaching – it makes the boat much easier to hold when launching and recovering, especially in waves.

Stacking system

• The RS designed the Aero to stack.
• This allows three boats to be stacked on a conventional road trailer base with small pads between them – double and triple trailers are unnecessary.
• Efficient stacking allows over 30 boats to be loaded into a 40’ shipping container – minimising freight cost and carbon footprint in transport to dealers or regattas.

Construction

• Every aspect of the simple shape has been considered to minimise weight and maximise cost-efficient manufacture:
• Flatter panels on the chined hull allow construction from normal flat sheets of PU foam, reducing the weight of the core bond
•  “Chine” angles on the deck add form stiffness without additional weight
• Low surface area reduces weight and material costs
• Simple shape reduces time in the manufacturing process
• Epoxy resin is used for its high strength and low water absorption properties.
• Woven glass matt is used throughout the hull.
• Carbon fibre is used in all high load areas such as the hull and deck around the mast step, the hiking region of the deck, all around the gunwales and transom.
• Due to its ultra-light weight and the high elongation at break (shatter resistance) of the epoxy resin system, the RS Aero has proved to be remarkably durable.
• Yet the boat is so astonishingly light it is possible to carry it up the beach single handed by holding the top of the daggerboard and the boom! Pulling the boat up the beach on a trolley makes you smile.
• Young sailors and small women can lift the RS Aero onto a roof-rack.
• The tooling has been CNC machined to give maximum control over shape and symmetry.

Dynamic Three Rig System

• Three rigs of differing sail areas to cater for crew weight ranges: Aero 5, Aero 7 and the Aero 9.
• Rigs with sufficient control to totally flatten and twist the head of the sail upwind. Reducing the healing moment. This allows a greater sail area to be carried – a big benefit downwind and in lighter conditions.
• Working closely with a world-leading carbon fibre tube manufacturer RS have produced the three rigs using a common top-mast and boom. While radically differing stiffness bottom sections. The differing deck-level bend and stiffness of the three rigs ensure the boat is well balanced, without resorting to a permanently pre-bent lower section for the smallest sail.
• Even with the smallest RS Aero rig the sail-area : hull-weight ratio is significantly higher than most existing hiking single-handers, due to the incredibly light weight of the RS Aero. So even the RS Aero 5 enjoys the amazingly responsive feel that makes the boat so exciting.
• The largest rig is 5.5kg lighter than the equivalent in aluminium alloy and cutting-edge production method provides for tight stiffness and weight control.
• The tracked mast and halyard are more practical than a sleeved luff – much easier when stepping mast in breeze and suiting full length top battens.
• The rig is positioned well forward in the boat to provide a good distance between the mast and the centre-mainsheet to reduce sheet loads and for ease of gybing, without the risk of snagging associated with a transom led mainsheet.
• This is the greatest area of conflict between styling pressures and the performance requirements of the RS Aero.
• It is not possible to produce a Mylar sail that will cope with the wide range of mast bend of a responsive carbon rig. This is due to the lack of bias (diagonal) stretch of the fabric. Mylar film is stable in all directions.
• Therefore a high denier Dacron sail fabric is used.
• The RS Aero has a vertical daggerboard for ease of use.
• The daggerboard is glass/carbon construction from CNC milled tooling, to a modern section. Developed to reduce downwind drag whilst still generating enough lift upwind.
• The profile is designed to fill the daggerboard hull slot until the point where the knuckle is reached. This minimises drag.
• The tapered tip below the knuckle reduces tip losses.
• Evidence exists that a leading edge knuckle provides greater stability of flow – it is not uncommon in birds!
• Evolved during testing, the rudder blade’s low drag section and surface area are extremely effective.
• The custom-designed, high grade alloy rudder stock is of minimalist size.
• The rudder blade can be rotated to vertical whilst ashore and is well supported at all angles whilst afloat.

SPECIFICATION

The RS Aero is available in a couple of setup options, please go to the official site www.rssailing.com to see the full range of options. We are also here to help too, feel free to get in touch and we can help with pricing and details, please call +852 2827 5876 or use our contact page .

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RS Sailing was born from a passion to use the latest design and technology to create inspiring boats. Evolving from our heritage in flat-out racing classes, the RS Sailing range has grown to include boats for beginners, families, clubs and schools, developed using that same desire to move the game forward.

We’re proud that RS Sailing designs have built some of the most vibrant class communities, been chosen by leading organisations globally and that from our humble beginnings we’ve become the world’s largest small-sailboat brand. We hope you will love an RS as much as we do!

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Culture, community and trust.

The idea behind RS was born when a small group of sailors sat on a Cornish sea-wall and discussed the opportunity to move the game forward. It was driven forward by our passion use the latest in design and technology to make higher performance more viable for most of us – to inspire more sailors.

We just hoped that if we developed boats that we’d love to sail, then people like us would love them too. And that if we built exciting events and made a load of RS sailing friends then the other RS sailors would make new friends too. We honestly didn’t foresee what would happen.

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