Aeros Vitamin Manuel utilisateur

Owners Manual

AEROS

Vitamin

2002

Table of Contents

1. Introduction

2. Technical description

2.1. Technical data

2.2. Canopy and Lines

2.3. Risers and Speedsystem

2.4. Harness

3. Flight

3.1. Preflight Check and Launch Preparations

3.2. Turns

3.3. Spiral Dive

3.4. Turbulence

3.5. Flying with Speed System

3.6. Landing

3.7. Tow Launching and Motorized Flight

4. Flying Characteristics

4.1. Trim Speed and Best Glide

4.2. Minimum Sink Rate

5. Extreme Flying Maneuvers

5.1. Asymmetric Front Collapse

5.2. Symmetric Front Collapse

5.3. Line Over

5.4. Deep Stall

5.5. Full Stall

5.6. Spin

6. Rapid Descent Techniques

6.1. Big Ears

6.2. Spiral Dive

6.3. B-line Stall

7. Maintenance and Repairs

7.1. Folding Away

7.2. Storage

7.3. Cleaning

7.4. Repair

7.5. More

8. Drawings and Measurements

9. Contact

1. Introduction

First of all we congratulate you with buying your new

AEROS Vitamin and wish you many enjoyable and safe flights.

Please read this manual carefully before flying your Vitamin.

Vitamin was developed as a school and recreational glider –a

wing with easy handling and high in-flight stability. It is ideal

for students and for pilots flying for fun and looking for a

maximum safety combined with performance enough for first

XC flights.

Paragliding is an amazing sport but can be dangerous and

lead to injury or even death. Do not pass the margins of safety –

do not fly in strong turbulence and winds. Obtain your flying

experience step by step, best of all under supervision of more

experienced pilot. If possible, enter SIV courses –it should

greatly help you in future.

We produce our paragliders and equipment at our own

facilities and check each step of production. This gives us a

possibility to produce canopies of excellent quality with precise

characteristics.

At the time of delivery Aeros Vitamin meets the

requirements of AFNOR. Any alternations to the paraglider will

make certification invalid! Pilots are responsible for their own

safety and their paragliders airworthiness. The manufacturer and

distributors accept no liability for damage caused by or to the

paraglider. And of course the pilot must have a valid paragliding

license.

Technical Description

1.1. Technical Data

Vitamin

Cells

31 +8

Area m2

26.75

29.43

32.00

Span m

11.34

11.90

12.41

Aspect ratio

4.81

Area projected m2

23.41

25.75

28.00

Span projected m

9.13

9.57

9.98

A/R projected

3.56

Chord root m

2.860

3.000

3.130

Chord tip m

0.62

0.65

0.68

Total height m

6.910

7.250

7.560

Take off weight *

80 - 100

90–110

105-125

AFNOR

Plan

Standard

Vmin, km/h

Vtrim, km/h

Vmax, km/h

Min. sink m/s

(opt.pilot weight)

<1.2

* Pilot + ca. 17kg of equipment (incl. canopy)

1.2. Canopy and Lines

For our canopies we use the best materials we can buy. We use

fabric with silicone coating for top surface. Such cloth has much

higher resistance to UV-exposure and abrasion than other types

of fabric used for paragliders. Ribs (mostly tensioned part) are

made from NCV Porcher Marine hard finish fabric. NCV

Porcher Marine with medium finish is used for bottom panels.

Trylam reinforcements of ribs provide extra stability of leading

edge and ease the inflation of the canopy.

Lines with superaramid core and polyester coating show

excellent results during laboratory and flight tests. For main

suspensions are used:

-top stage –diam. 1.1mm (80 kg)

-bottom stage –diam. 2.2mm (240kg)

-middle stage –diam 1.7mm (155 kg)

-break lines top and middle –Dyneema diam. 1.1mm (85 kg)

Vitamin uses a newly designed airfoil, which was chosen among

other types during intensive tests. Combined with proper design

of the wing it gives high stability, gentle behavior during

collapses, pleasant inflating characteristics and excellent

handling.

1.3. Risers and Speedsystem.

The Aeros Vitamin is equipped with 4-risers V-lines.

Vitamin 32

Vitamin 30

Vitamin 27

C/D

not active

activated

Speedsystem

DISTANCE BETWEEN RISERS

distances

A / A - B A / A - C/D B - C/D

0 0 0

30 170 140

||| |||

Lines are connected to risers by quick links –triangular

carabines, fitted with a rubber ring twisted in a form of a figure

“8” preventing any slipping of the lines on the triangles.

Carabines with connected lines are covered with thermoforming

tube, which prevents suddenly unlock of quick links.

Speedsystem of Aeros Vitamin is foot-operated. It works in such

manner, that on big speeds the stability of glider is not decreased

too much.

To fit the speed system pass free ends of speed system cords

(opposite ends are attached to the bar): through metal rings

attached to rubber ropes (if your harness is equipped with them);

through pulleys sewing to your harness. Connect loops of the

cords to a small “O”-shape quick links with nuts which should

be on the ropes of A-risers.

Test your speed system on the ground for the correct length of

the cord, sitting in your harness with attached risers. The

maximum speed is reached when pulleys on the A-risers are

joined together.

We recommend to use for attachment of speed system only

quick link with nut (not a spring carabiner without securing of

tongue) to prevent catching of main paraglider lines by this

carabiner.

To increase your speed in the air just push the bar by your feet.

The loop on the speed bar is made to help you to catch the bar

by your heel.

1.4. Harness

Harness with a hang point at approximately chest height (42 cm

from carabines to the seat) may be used for flying with Vitamin.

Distance between risers should be adjusted as stated in the

certification stickers (this distance is different for different

canopy sizes).

2. Flight

2.1. Preflight check and launch preparations

It must be a rule to check lines, risers and canopy for tears and

damage before each flight. Also check your harness for

damages, check knots on the brake handles, check carabines

attached properly and secured. Check your reserve deployment

handle with security pins.

Lay the canopy in a half moon shape against the wind. This will

allow A-lines in the center to be tensioned before the other “A”-

s. So the canopy will be inflated gradually beginning from the

middle sections and the possibility of non-horizontal inflation

decreases. Pull the lines slightly and sort them into A,B,CD and

brakes beginning from the risers. For easy control A1 and A2

risers on Aeros Vitamin are marked with red, B-risers –with

yellow. The brake lines should run freely through the pulleys to

the trailing edge of the canopy. Important to check that no lines

are looped around the canopy (“lineover”). Check that there are

no sticks or another things catched by the lines.

2.2. Launch

- Forward launch:

Hold A-risers (A1 and A2) with brake handles in your arms,

keeping B, and CD risers in the arm bow. Pull up the canopy

progressively. When the canopy is above your head you should

feel the reduction of drug –in that moment release the A-risers.

In case if you pulled the canopy too fast it should be necessary

to apply the brakes slightly to prevent the forward surge. Move

your body to the center of the glider to correct the roll if

necessary.

Now you should visually check that the canopy is fully inflated

and that the lines go properly and without tangles. If anything is

not correct –do not launch (abort and try again).

- Reverse launch:

You should use this method for windy conditions. It is

recommended to practice the reverse launch on a training hill to

obtain a feeling of the canopy. To avoid drag when aborting a

launch in a strong wind use rear risers (not brakes). Using the

brakes will increase lift and it should be more difficult to keep

your balance.

2.3. Turns.

Aeros Vitamin has easy and responsible handling. The most

effective turning method is the simultaneous weight shift and

pulling the inside brake. To increase the wing resistances to

collapses in turbulence and to obtain an optimum sink rate pull

slightly the outside break while thermalling.

!ATTENTION: apply breaks smoothly. Don’t pull brakes too

fast or too hard –it can result in the negative spin.

2.4. Spiral Dive.

To enter a spiral dive on Aeros Vitamin you should slowly apply

brakes of one side. While a bank angle increases –apply more

brake. Control this angle by increasing or reducing the amount

of inside brake. Use also a weight shift to make entry to a spiral

dive easier.

To exit –release brake gently.

!ATTENTION: while entering a spiral dive –don’t pull

inside brake too fast –it should result in a negative spin.

Brake application should be in conformity with G-force and

bank angle. Be careful with extra G-force –both you and

your canopy should be overloaded.

2.5. Turbulence.

In turbulence pilots prevent tucks by braking slightly. Forward

movement of the canopy can be countered by pulling brakes.

Backward movements –by letting the brakes go.

2.6. Flying with speed system.

Using a speed system lowers the angle of attack of a canopy

which results in the decreasing of glider stability. Push the bar

smoothly. If you feel the decreasing of pressure on the bar –it

means that the leading edge of your canopy is close to collapse –

release the bar gently and apply brakes to counter collapses. Try

not to use speed system in turbulence.

2.7. Landing.

Vitamin is easy to land.

Plan your landing approach from a sufficient height. The final

leg should be against the wind and with brakes slightly pulled

down from trim position to avoid tucks. Begin to apply brakes

harder at 1-1.5m above the ground so that you’ll pull full brakes

just before touching ground. Stronger wind in the landing zone

requires less brakes be applied. When the wind is more than 6-7

m/s to deflate the canopy pull CD-lines when you’ll touch the

ground. Using brakes in strong wind conditions should result in

lifting the pilot and dragged him backwards.

2.8. Tow Launching and Motorized Flight.

Aeros Vitamin is suitable for tow launching and flying with

rucksack engine. Some types of rucksack engines need longer

brake lines. Adjust your brake before flight.

3. Flying Characteristics.

3.1. Trim Speed and Best Glide.

Trim speed is a speed with brakes up. Depending on the pilot’s

weight it should be in the range of 34-36 km/h.

Aeros Vitamin shows the best glide angle in a still air without

brakes and speed system applied.

3.2. Minimum Sink Rate.

Glider achieves minimum sink rate when applying about 20-

30% of brake length. Try to feel this brake amount in a calm air

to be sure that you will not cause a parachutal stall during a

thermal flying.

4. Extreme Flying Maneuvers.

4.1. Asymmetric Front Collapse.

Most of tuck situations are caused by turbulence (thermal

activity, rotors or mixture of the above). After asymmetric front

collapse the canopy begins to turn to the side of tucked wing.

Usually Aeros Vitamin reinflates without pilot intervention

smooth and fast. To quicken canopy inflation pilot must:

a) counter the turn by pulling slightly the opposite to the turn

brake and shift his (her) weight to stop the turn. This action will

increase speed of the deflated wing and helps it to reinflate. But

don’t pull the brake too hard – be aware of stall.

b) pumper the deflation by slow (1 second), long pump on the

brake of deflated wing. This will accelerates the recovery of the

canopy.

In any case don’t rely upon the canopy will recover itself – try to

accelerate this process, especially on a small altitude.

4.2. Symmetric front collapse.

Symmetric front collapse occur when flying in a very turbulent

air. Use active type of flying (counter all forward and backward

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