GIN Bolero 4 User Manual
Bolero 4 Owner’s Manual
Including Bolero 4 paramotor operating manual
Please read this manual prior to your first flight with the Bolero 4
Rev.1.2, 07/07/2012
Thank You…
Thank you for choosing the Bolero 4. We are confident that this paraglider will provide you with
countless happy experiences as you progress in your flying career. This manual contains all the
information you need to fly and maintain your paraglider. A thorough knowledge of your equipment
will keep you safe and enable you to maximize your full potential.
Please pass on this manual to the new owner if you do resell your glider.
Happy Flights and Safe Landings,
The GIN Team
Safety Notice
By the purchase of our equipment, you are responsible for being a certified
paraglider pilot and you accept all risks inherent with paragliding activities
including injury and death. Improper use or misuse of GIN equipment greatly
increases these risks. Neither Gin Gliders Inc nor the seller of GIN equipment shall
be held liable for personal or third party injuries or damages under any
circumstances. If any aspect of the use of our equipment remains unclear, please
contact your local paragliding instructor, GIN reseller or the importer in your
country.
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Contents
Thank You… .............................................................................................................................................. 2
Safety Notice ........................................................................................................................................... 2
1. Gin Gliders ............................................................................................................................... 4
2. Introducing the Bolero 4 .......................................................................................................... 5
For Pilots Who… ...................................................................................................................................... 5
Cutting-edge Design ................................................................................................................................ 5
Manufacturing .......................................................................................................................................... 6
3. Before you Fly .......................................................................................................................... 7
Pre-delivery Inspection ........................................................................................................................... 7
Speed System ........................................................................................................................................... 7
Flying with motor ..................................................................................................................................... 8
Rucksack .................................................................................................................................................. 8
Your harness .......................................................................................................................................... 10
Certified Weight Range .......................................................................................................................... 10
Pre-flight safety .................................................................................................................................... 11
4. Flying the Bolero 4 ................................................................................................................. 12
Preparation for launch ........................................................................................................................... 12
Take off without motor .......................................................................................................................... 13
Line knots or tangles ............................................................................................................................. 14
Min Sink / best glide ............................................................................................................................... 14
Accelerated flight .................................................................................................................................. 14
Active Flying .......................................................................................................................................... 14
In turbulence .......................................................................................................................................... 14
Losing altitude ....................................................................................................................................... 16
Steering without brakes ........................................................................................................................ 17
Aerobatics .............................................................................................................................................. 17
Landing with the Bolero 4 ...................................................................................................................... 17
Tow launch ............................................................................................................................................. 18
Motorized flight ..................................................................................................................................... 18
5. Care, Maintenance and Repairs ............................................................................................... 24
Ground handling ..................................................................................................................................... 24
UV damage ............................................................................................................................................. 24
Packing instructions .............................................................................................................................. 24
Transport and Storage ........................................................................................................................... 24
Cleaning ................................................................................................................................................. 25
Inspections ............................................................................................................................................ 25
Repairs ................................................................................................................................................... 25
6. Reference ............................................................................................................................... 26
Testing and Certification........................................................................................................................ 26
Technical Specifications ......................................................................................................................... 28
Line Plan ................................................................................................................................................ 29
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4
2. Introducing the Bolero 4
The Bolero 4 is a new concept in an entry-level wing. Designer Gin Seok Song has drawn on all his
years of experience to produce a wing that is uniquely in tune with the needs of today’s pilots. The
Bolero 4 offers outstanding security, with precise but forgiving handling. This allows the pilot to
accurately feel the sensations of flight, and thus develop an active flying style. Rapid progression up
the learning curve is enabled, as the pilot becomes well acquainted with the myriad of different
movements and moods of the air. The Bolero 4 will allow you to experience the full pleasure of free
flight, without ever compromising your safety.
For Pilots Who…
The Bolero 4 is an ideal first glider, and is also suitable for the more experienced club pilot who flies
infrequently and wants a good performing glider with the highest safety margin. The Bolero 4 is
designed for all kinds of flying, from the first steps at the paragliding school training slope via ridge
soaring to thermalling and cross country.
The Bolero 4 is suitable as a paramotor trainer glider as well as for more experienced paramotor
pilots who don’t fly very often and therefore require a paramotor glider with a high level of safety.
The Bolero 4 is suitable for all kinds of paramotor flights from training flights to precision flying near
the ground (kicking sticks) up to big cross country flights.
Cutting-edge Design
Gin has made extensive improvements in the Bolero 4 compared to its predecessor, the Bolero 3.
Performance, take-off and handling characteristics have been improved without sacrificing security.
Rigifoil reinforcements at the leading edge have been introduced. This improves take-off
characteristics, performance and increases the lifetime of the canopy.
The brake line layout features an extra upper line that gives the wing an even more precise feel.
5
Weight and drag have been reduced by using thinner yet very strong line materials and by the
introduction of a new, hi-tech, light fabric.
These and other innovations ensure that by purchasing the Bolero4, you are getting the best possible
glider in its class.
Manufacturing
All GIN gliders are produced in the company’s own facilities using the most modern techniques. Highly
skilled staff take extreme care during the entire manufacturing process. Stringent quality control is
made after each step, and all materials that go into each wing can be traced. These measures
guarantee that pilots fly with the assurance that their wing meets the most exacting safety standards.
6
3. Before you Fly
Pre-delivery Inspection
The Bolero 4 is delivered with speed system, rucksack, inner bag, riser cover, compression strap,
repair tape and this manual. Your instructor or dealer should have made a test inflation followed by a
test flight before delivery. Each Bolero 4 is checked for conformity with the EN and LTF tested
specimen before it leaves the factory.
Speed System
The speed system increases the maximum speed by lowering the angle of attack with a pulley-guided,
foot-operated system. Approx. 10 km/h gain in speed can be realized with the accelerator at full travel.
It is important to have your accelerator system correctly routed through your harness and attached to
the risers with the supplied Brummel hooks. The length of the speed bar should be initially adjusted
while on the ground, sitting in the harness so that the legs are fully extended at the point of full
accelerator travel. It is helpful to have an assistant hold the risers taut while making this adjustment.
Subsequent fine tuning can be done on the ground following the first flight with the speed system. If
in doubt about this procedure, consult your instructor or dealer.
Riser A B C D
length at trim speed 48cm 48cm 48cm 48cm
length at full speed 37cm 39cm 43.5cm 48cm
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Flying with motor
The Bolero 4 can be equipped with risers which have trimmers in addition to the accelerator system.
The Trimmers are not certified for flying without a motor. For free flight, the trimmers should
be deactivated and hooked into the carabiners
Length neutral
Risers A B C D
(lower hang point) 52cm 52cm 52cm 52cm
.
(upper hang point) 44cm 44cm 44cm 44cm
Length
accelerated
Length
accelerated
trimmers open
IMPORTANT NOTICE: Accelerator and trimmers should not be used near the ground or in
turbulent conditions. The use of accelerator and trimmers reduces the angle of attack which can
lead to a more aggressive post-collapse behaviour.
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(lower hang point) 39cm 41cm 46.5cm 52cm
(upper hang point) 31cm 33cm 38.5cm 44cm
(lower hang point) 39cm 41cm 49cm 57cm
(upper hang point) 31cm 33cm 41cm 49cm
Brake lin
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The main b
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In soaring
release the
If you do n
recommend
every 2cm
minimum o
the glider i
the brakes
when the s
recommend
bowline kn
attachment
adjustment
ake line lengths of the
ngths have been fine
light, it is common to
wraps in any extreme
ed to make adjustmen
that you test fly the g
f adjustment. There s
10cm of free brake tr
flown hands-off. This
eing applied unintent
eed system is fully en
a double sheepshank
t for the brake handle
as shown in the diagr
Bolero4 correspond t
uned by GIN test pilot
ly with half a wrap on
ituation.
s to suit your harness
ider after
ould be a
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, body and flying style,
N and LTF test flights.
necessary to adjust
re should be taken to
we strongly
Length o
Len
Rucksack
All Gin glid
carrying co
The rucksac
the harnes
the back of
shoulder a
two storag
An XXL ruck
the main brake li
ize
th / cm
rs are delivered with
fort and ease of use.
k should be packed ca
and then put the top
the rucksack. Finally, t
d waist straps to ensu
pockets for accessori
ack (200L capacity) is
ne of Bolero 4
22
239
durable ripstop KODU
efully to achieve maxi
f harness in the botto
ighten the internal an
e the equipment stay
s.
available as an option
24
255
RA® rucksack, design
um comfort. First, pl
of the rucksack with
external compression
firmly in place when
al extra for pilots that
27
270
d for ergonomic
ce the glider inside
he glider side next to
straps and adjust the
alking. There are also
require it.
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"X Load System" is a new compression system created by the GIN R&D team, using Hypalon material.
Its concept is based on a 4 point cross bracing at the bottom of the rucksack to obtain an optimum
distribution of weight."
Your harness
The Bolero 4 has been tested with a harness with a variable chest strap and without fixed crossbracing. Ancient harnesses with fixed cross-bracing are not suitable for flying with the Bolero 4 and
should not be used. Check with the manufacturer of the harness or your paragliding instructor if in
doubt.
The adjustment of the harness chest strap controls the distance between carabiners and affects the
handling and stability of the glider. Tightening the chest strap increases stability, lengthening it
gives more feedback from the glider decreases stability.
Gin calculates and draws the plan of the glider with a distance between the carabiners of 44cm. We
recommend a setting a distance of 42cm to 50cm between the carabiners, depending on the size and
design of the harness. There is no need to fly with a tight chest strap setting with the Bolero 4, as
there is no tendency for it to feel unstable.
Certified Weight Range
The Bolero 4 must be flown within the certified weight range given in the reference section at the back
of this manual. The weight range is quoted as the total weight in flight, i.e. the weight of the pilot,
glider, harness and accessories. The easiest way to check your total weight is to stand on weighing
scales with all your equipment packed into your rucksack. In most cases, the difference between your
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