RRD WH-FLIGHT ALU 85 User manual

RRD WH-FLIGHT ALU 85 HYDROFOIL &
WINDFOIL BOARD
OWNERS’ MANUAL AND ASSEMBLING INSTRUCTION
- ENGLISH MANUAL -
French, German, Spanish, Italian version online on:

SAFETY
READ THIS MANUAL CAREFULLY BEFORE USING YOUR ‘’RRD WH-FLIGHT ALU 85
HYDROFOIL” AND KEEP IT STORED FOR FUTURE READING
RRD strongly recommends to follow windsurfing lessons in a specialized school before using a
hydrofoil for the first time. The use of a hydrofoil involves inherent risks and can cause severe
injuries or, sometimes fatal, accidents if misused.
To find your nearest school, please check online on the www.robertoriccidesigns.com website
under the tab <schools> . When using a hydrofoil, you agree to take full responsibility for your
own safety and those of others. This includes informing subsequent users/owners of your
equipment of the risks and responsibilities involved. Before practicing, make sure that you
are properly covered by an insurance for any damage or injuries caused to third parties while
practicing windsurfing sports. Please refer to your national windsurfing body or federation to
get more information on insurance and responsibilities.
Be aware that the design and construction of the hydrofoil involves sharp and stiff edges that
could easily cause severe abrasions and/or cuts. It is very highly recommended to familiarize
with the dimensions, weight, behaviour of the hydrofoil both assembled and unassambled to
the board while carrying it to the water and/or keeping it on the beach. Never leave the hydrofoil
unattended on the beach. Any wind changes might cause the hydrofoil to move, fly away and
cause severe damages to you and/or the others around the hydrofoil.
SAFETY TIPS:
Constant care and caution remains the best way to avoid any problem but specialized equipment
contributes to your own safety as well. Please keep in mind that wind and weather can be
unpredictable and that no-one can be in full control of the hydrofoil at all times.

• Rule N°1: YOUR PERSONAL SAFETY
It is strongly recommended to practice in the company of other users who could eventually call
for assistance or help in case of emergency. You should never ride alone.
• Rule N°2: PERSONAL SAFETY EQUIPMENT
Helmet:
It is strongly recommended to wear a helmet to protect you in case of a fall or any other
unexpected situations.
Wetsuit :
Choose a full-length wetsuit (water T° <19°C[66°F]) or a shorty (water T°>19°C[66°F]) depending
on the water temperature. But be aware that you will use more energy when you are cold.
Impact vest :
The impact vest can be a critical piece of equipment if you take a hard crash and will become a
true asset if you ever have to swim back to the shore.
• Rule N°3: CHOOSE YOUR SPOT CAREFULLY
Choose your spot depending on your level :
The choice of a good spot is an essential decision for safe learning. To choose your place of
practice, it is important to select a spot suited to the practice of hydrofoiling. Using a hydrofoil
requires a deeper water depth than other windsurfing disciplines. Favor a spot without reefs or
rocks and avoid overcrowded areas. Observe local laws and regulations regarding windsurfing
and in the area you plan to use the equipment.
Wind direction :
Don’t ride in offshore wind. The wind can die at any moment or you could have an equipment
failure. In offshore wind it is harder to swim back to shore, the wind and the current push you
away from the beach.
It is not recommended to ride when the wind is directly on-shore, especially for beginners, as
the wind will push the rider directly onto the beach. Choosing the wrong wind direction will make
your learning harder. Always ride while the wind is side or side-on shore. These wind directions
will let you go downwind while maintaining a safe position in case of an emergency.
• Rule N°4: KNOW THE WEATHER FORECAST
Be up-to-date with the local weather forecast, (apps, radio, web, harbor crew, local schools).
What strength is the wind and from which direction? You must know how the speed of the wind
and the direction are going to develop during the day. Because the hydrofoil enables you to ride
even in marginal conditions, keep in mind the wind can quickly die completely. You should not
ride during stormy weather. Also check on the tides schedule and the areas for rip currents.
• Rule N°5: HELP OUT OTHERS AND SHOW RESPECT
Help out others:
Keep a constant eye on your surroundings, and pay attention to others. Do not hesitate to help
out or go after a struggling windsurfer. But make sure you don’t bring yourself in danger.
Respect bystanders :
Never lend your equipment to a non windsurfer. The windsurfing board is dangerous when
left unattended on the beach. Inform any people or spectators close to the windsurf board and
hydrofoil that there might be an accident risk in case they collide with the board and /or the
hydrofoil.

•Always familiarize yourself with all applicable federal, state and local laws, the
waterways, the area, and the proper use of the equipment.
•Always read your owner’s manual and understand your equipment before using it.
•Always inspect equipment before each use, including all components of your foil,
your board and the connections between components and the board mount. Never
use an equipment with missing, damaged or defective parts.
•Use caution when transporting your foil, both for the safety of yourself and others
and for the longevity of your equipment.
•Always wear protective equipment appropriate for the environment and conditions in
which you are using your foil and your foil board.
•Always use a helmet.
•Always use a State/Country Marine department approved boating vest and protective shoes.
•Always ride in control, away from hazards, and at speed appropriate for your ability.
Do not foil in shallow water or near shore, pilings, docks, rafts, swimmers, other
watercraft or other obstacles.
•Falling and the injuries or death that may result, are inherent risks in the sport.
•Do not operate any watercraft, windsurf, or foil under the infuence of alcohol or drugs.
•The warnings and practices set forth above represent some common risks
encountered by users.
•This list does not purport to cover all instances of risk or danger. Please use common
sense and good judgment.
•GET TO KNOW THE RRD WIND-HYDROFOIL (WH-FLIGHT HYDROFOIL)

The front and rear wings of the hydrofoil work as lifting devices. The wings create
a lifting force from the flow of water that travels across them at speed. This is the
reason why they are built with a specific sectional profile:
The shape of the wings’ profile shall not be modified, filled and sanded. Doing so
would alter the balance and prevent the correct operation of the hydrofoil.
In order to guarantee the correct behavior and performances of the hydrofoil, the
rear edge (trailing edge) of the wings must remain very thin, thereby making this part
more fragile in case of impacts. During handling and use of the hydrofoil, the user
should be particularly cautious with these sharp areas in order to avoid any risk of
injury.

USING THE RRD WH-FLIGHT HYDROFOIL
On shore Handling :
The RRD windfoil should always be laid on its side when left on the ground, Never
leave the windfoil (assembled with the board) standing up or upside down. It can
easily fall on its side and get damaged.
When heading for the water, the windfoil should always be carried very carefully.
Hold the board on its side or on your head like explained in the pictures, like this:
Water handling:
Walk into the water while keeping your board and your sail. As soon as you are in the
water walk deeper into it until reaching a water patch deep enough for the size of the
foil.

A safety margin is required as the board and foil will sink to some degree when the
rider gets onto the board. To prevent any risk of collision with a reef or a shoal, it is
strongly recommended to walk away from the shore while keeping very carefully the
board at its side, until reaching deep enough water. Avoid getting into the water in
wave conditions as it could make this procedure difficult and dangerous.
When heading back to the shore, it is necessary to get off the board at the same distance
from the shore that had been required to start safely. Again, it is recommended to
walk back to the shore keeping the board carefully on its side.
TOKEEPTHERRDWH-FLIGHTHYDROFOILINGOODCONDITIONS:
After every use, make sure you always:
•Clean and rinse all the parts of the hydrofoil before storing them.
•Take apart the front and rear wing and fuselage from the mast.
•Protect the parts by storing them in their original packaging or using another
appropriate protection.
•If chips, dents, or bumps appear following an impact, fill with epoxy resin or primer
and sand until the local surface is smooth and clean. It is strongly recommended to
let a professional handle these kinds of repairs.
•Make sure the surface of the blades remain smooth and clean. The windfoil works
using a dynamic equilibrium and the flow around the wings can be very sensitive to
any damages. Sudden stalling can happen if the surface condition of several parts are
compromised. Stalling the foil can unsettle the rider and result in abrupt falls.
IMPORTANT NOTE
Our WH-flight ALU 85 hydrofoil is composed of Aluminium parts (Mast, Fuselage,
Plate) and Hybrid Carbon parts (Front and Rear Wings) assembled together by
stainless steel screws. The mast is assembled to the board using a dedicated plate
with Tuttlebox inserts. In order to mantain the assembling and disassembling process
and easy one to be performed and keep a long product lifetime we strongly recommend
to follow this maintenance precautions:
After use, always disassemble the hydrofoil from the board, the wings from the
fuselage and the fuselage from the mast and rinse the screw holes with fresh water.
In order to keep the Stainless steel screw holes properly maintained and free from
oxidation, we strongly recommend the use of this product: Tef-Gel made by TIKAL,
(corrosion eliminator GEL) that should always be spread around the female threaded
holes in the stainless steel parts.

WINDFOIL SCREW SET PROVIDED
3x 40 mm 3x 20 mm
2x 20 mm
3x 60 mm
Depends on board type
(screws not provided)

CORRECT POSITION FOR 4 DIFFERENT SCREW LENGTHS
3x 40 mm 3x 20 mm
2x 20 mm
3x 60 mm
Depends on board type
(screws not provided)

HYDROFOIL ASSEMBLING INSTRUCTIONS
In order to assemble your new WH-Flight
Hydrofoil correctly please follow this
instructions:
1) Join the mast to the plate. Then tighten
the 3 X 60mm screws to secure the TuttleBox
head to the plate and make sure that the
screws are tightened properly.
2) Assemble the rear Wing with the 2x 20mm
screws to the 2x fuselage holes. Make sure
the fuselage rear wing screw holes are clean
and free from sand or any debris that might
cause friction and bad assembling fit. Fix the
rear wing tightly to the fuselage making sure
that the screws are properly aligned and they
screw properly to the 2x fuselage stainless
screw holes. Do not force the screws into
the metal insert in the very beginning of the
screwing process. Doing so might damage
the thread of the metal insert and cause a
bad alignement of the rear wing angle to the
fuselage. A wrongly assembled rear wing onto
the fuselage will cause a wrong lift force on
to the hydrofoil and a wrong hydrofoil trim on
the water. This might lead to a malfunctioning
of the hydrofoil and damage the threaded
screw holes.
3) Take the front Wing with the 3x 20mm and
place it onto the fuselage. Align the front wing
with the 3x fuselage holes. Make sure the
fuselage front wing screw holes are clean and
free from sand or any debris that might cause
friction and bad assembling fit. Fix the front
wing tightly to the fuselage making sure
that the screws are properly aligned and they
screw properly to the 3x fuselage stainless
screw holes. Do not force the screws into
the metal insert in the very beginning of the
screwing process. Doing so might damage
the thread of the metal insert and cause a
bad alignement of the front wing angle to
the fuselage. A wrongly assembled front
wing onto the fuselage will cause a wrong
lift force on to the hydrofoil and a wrong
hydrofoil trim on the water. This might lead to
a malfunctioning of the hydrofoil and damage
the threaded screw holes.
4) Place your foilboard on top of its board bag
with the hull facing upwards and insert the
1a
1b
2
3