Aeros FOX-18 Anwendungshandbuch

HANG GLIDER

FOX-18

OWNER / SERVICE MANUAL

Manufactured by:

AEROS Ltd.

Post-Volynskaya St. 5

Kiev 03061

Ukraine

Tel: (380 44) 4554120

Fax: (380 44) 4554116

E-mail: INFO@AEROS.COM.UA

Web-site: http://www.aeros.com.ua

November 2022

AMENDMENTS

No. Section Pages Date of

correction Comments

Table of Contents

1. Technical Information and Operating Limitations .......................................................................5

2. Fox-18 Reassembly after Shipping Procedure……………………………………. .......……………. 5

3. Fox-18 Breakdown for Shipping Procedure……… ............. ……………………….......………….. 6

4. Fox-18 Set-Up Procedure .......................................................................................…………. 7

5. Preflight Procedure……………………………………………………………………………………… 11

6. Laying the Glider Down Flat…………………………………………………………………………… 14

7. Launching and Flying the Fox-18 ............................................................................ …………... 14

8. Speed to Fly ..………………………………………………………………………………….. …………15

9. Aerotowing ..……………………………………………………………………………………. ………….15

10. Landing the Fox-18 ...............................................................................................………….. 15

11. Fox-18 Breakdown …………………………………………………………………..………………… 16

12. Glider Tuning ……………………………………………………………………………………………. 18

13. Removing the Sail from the Airframe and Re-installing……………………………………………….20

14. Fox-18 Breakdown for Shipping Procedure in a 2.4 Meters Short Package………………………..22

15. Fox-18 Reassembly after Shipping Procedure from a 2.4 Meters Short Package…………………26

16. Maintenance.………………………………………………………………………………………………28

17. Transportation and Storage……………………………………………………………………………….30

18. In Closing - A FewWords on Your Safety ................................................................ ………….31

Schemes

Thank you for purchasing an Aeros hang glider.

Applying the knowledge gained through years of developing and production hang gliders of all classes we

have created a hang glider to heighten the enjoyment of flight for pilots of all levels: from intermediate to

top – the Fox-18.

The Fox-18 will give you the ability to experience handling, pitch stability and performance gathered in

this single surface hang glider.

Flight characteristics of Fox 18 will allow you to soar with minimum effort and maximum safety - whether

you are at fun dune flight or at challenging cross-country adventure.

Please read and be sure you thoroughly understand this manual before flying the Fox-18. Be sure you

are familiar with the glider and the contents of this manual before initial operation.

We encourage you to read this manual carefully for information on the proper use and maintenance of

your Aeros glider. If you have access to the Internet, please visit us regularly at http://www.aeros.com.ua

In case of any doubts or questions contact your local dealers or Aeros.

We wish you a safe and enjoyable flying career.

Aeros Ltd.

Definitions

Definitions used in this Manual such as WARNING, CAUTION and NOTE are employed in the following

context:

WARNING

OPERATING PROCEDURES, TECHNIQUES, ETC. WHICH IF NOT FOLLOWED CORRECTLY, MAY

RESULT IN PERSONAL INJURY OR DEATH.

CAUTION

OPERATING PROCEDURES, TECHNIQUES, ETC. WHICH IF NOT STRICTLYOBSERVED, MAY

RESULT IN DAMAGE TO THE AIRCRAFT OR ITS INSTALLED EQUIPMENT.

NOTE

Operating procedures, techniques, etc. which considered essential to highlight.

1. TECHNICAL INFORMATION AND OPERATING LIMITATIONS

The Fox 18 has been designed primarily as a foot-launched soaring glider; it has also been successfully

tow launched, both by winch or by aerotow. If tow launching, the system must follow established

safety guidelines, for example limiting the towing force, maximum climb rate, or towing speed to

appropriate levels.

It is also possible to fly the Fox 18 under power (Mosquito, Doodle Bug or similar systems), although the

BHPA certification is only valid up to a payload of 130kg (All-Up-Weight not exceeding 160kgs). There

may be further limitations or licensing requirements for flying powered aircraft in your country of

operation.

The Fox 18 is not suitable for dual flight.

Flight operation of the Fox-18 should be limited to non-aerobatic maneuvers; those in which the pitch

angle will not exceed 30 degrees nose up or nose down from the horizon and the bank angle will not

exceed 60 degrees.

Fox

Sail area, sq.m. (sq.ft.)

17.9 (193

)

Wing span, m (ft.)

10 (32.8

)

Aspect ratio

Nose angle

Weight (without bags), kg (lb)

27.7 (61

)

Number of sail battens

Breakdown length, m (ft)

95/4.15

/2.2

(19.5/13.6/7.2)

Tested load, G

+6/

Wind speed max, m/sec (mph)

12 (27)

Min. airspeed, km/h (mph)

(

)

VNE, km/h (mph)

81 (50)

Min. clip

in weight, kg (lb)

)

Max. clip

in weight, kg (lb)

)

The stability, controllability, and structural strength of a properly maintained Fox-18 have been

determined to be adequate for safe operation when the glider is operated within the entire manufacturer

specified limitations.

No warranty of adequate stability, controllability, or structural strength is made or implied for operation

outside of these limitations.

WARNING

OPERATION OF THE GLIDER BY UNQUALIFIED PILOTS MAY BE DANGEROUS.

WARNING

NO ATTEMPT SHOULD EVER BE MADE TO DELIBERATELY SPIN THE GLIDER.

WARNING

WE DO NOT RECOMMEND USING FOX-18 FOR MOTORIZED AND AEROBATIC FLIGHTS.

WARNING

FLYING FOX-18 IN THE PRESENCE OF STRONG OR GUSTY WIND OR TURBULENCE MAY

RESULT IN LOSS OF CONTROL OF THE GLIDER, WHICH MAY LEAD TO INJURY AND DEATH.

Do not fly in such conditions unless you realize and wish to personally assume the associated risks.

WARNING

OPERATING THE FOX-18 OUTSIDE OF THE ABOVE LIMITATIONS MAY RESULT IN INJURY AND

DEATH.

2. FOX-18 REASSEMBLY AFTER SHIPPING PROCEDURE

2.1 With the glider in the bag (4 meters long) lay the glider on the ground.

2.2 Unzip the bag. Undo Velcro straps. Remove battens, the speed bar and the rear leading edge tubes #

3 from the bag.

2.3 Unfold the sail along the leading edge to its full length. Attach the rear leading edge tubes # 3 to the

front leading edge tubes # 2 according to the marking (L-left, R-right, marks must be on top).

Working on one wing at a time and working with the appropriate leading edge # 3, fold the outer sprog,

which is attached to the rear leading edge, towards the inboard end of the leading edge tube # 3. Slide

the inboard end of the leading edge tube # 3 into the sail.

Then slide the rear leading edge forward, allowing the sprog end to come outside the sail at the

corresponding hole, and slide the rear leading edge into the front leading edge.

Align the rear leading edge properly so that the sprog is on the inside of the leading edge, and slide the

rear leading edge forward, rotating as necessary, until the slot in the rear leading edge engages securely

into the clevis pin in the front leading edge. When the rear leading edge is fully engaged, you will not be

able to rotate it.

2.4 Tighten the sail along the leading edge by putting the sail mount webbing into the slot in the end cap

of the leading edge # 3.

Figure 1 Figure 2

NOTE

The sail mount screws on the front part of the leading edge tubes # 1 must be unscrewed, otherwise the

excess sail tension will not allow tightening the sail.

The sail mount screws have to be screwed back after you accomplish all steps in section “Fox-18 set-up

procedure” from item 4.1 through item 4.8.

2.5 Secure the sail mount webbing to the leading edge # 3 with the sail mount webbing Velcro (fig. 1).

NOTE

When spreading the wings with the sail mount screws been unscrewed check that the sail mount webbing

is in proper position in the slot of the end cap of the leading edge # 3.

2.6 Install the wing tip protection bags.

Put battens on top of the glider between Mylar pockets in the front part of the glider. Place Velcro ties

around the glider.

Put the speed bar between leading edges in the rear part of the glider. Put the glider bag back on and zip

it up (fig. 2).

3. FOX-18 BREAKDOWN FOR SHIPPING PROCEDURE

This process will basically be the reverse of reassembling after breakdown for shipping. Before beginning,

read through the section above on how to re-install the rear leading edges.

3.1 Lay the glider on the ground or floor, unzip the bag and remove the Velcro ties. Remove the speed

bar and battens from the glider. Remove the protection wing tip bags.

3.2 Check to see that the leading edges are marked “Left” and “Right”. If they are not, mark them with an

indelible marker.

3.3 Unscrew the sail mount screws from the leading edges # 1.

3.4 Undo the sail mount webbing Velcro and remove the sail mount webbing from the leading edges end

caps. With the outboard sprog folded towards the nose pull the rear leading edge straight aft and slide it

carefully out of the sail. Tape or pad the edges of the front end of the leading edge tubes # 3, and the rear

of the leading edge tubes # 2 to prevent sail damage during transportation.

Figure 3

3.5 Carefully fold the rear of the sail against the

front, place Velcro ties around the glider and put

on the glider bag, turning the bag 180 deg (i.e.

matching the front part of the bag to the rear part

of the glider).

3.6 Zip up the glider bag zipper (fig. 3).

4. FOX-18 SET-UP PROCEDURE

4.1 Lay the glider on the ground, with the bag zipper up and at right angles to the wind.

4.2 Undo the zipper and take the speed bar out of the pack.

4.3 Lift and deploy the control frame legs.

Remove the quick pin from the corner bracket. Insert the corner bracket all the way into the speed bar,

positioning the speed bar so that the off-set of the speed bar is directed forward in the direction of flight

(fig. 4 and fig. 5). Install the quick pin (from front to rear), securing the bracket to the speed bar (fig. 5).

Figure 4 Figure 5

CAUTION

DO NOT FORCE THE FITTING INTO THE SPEEDBAR IF IT DOES NOT SLIDE IN FREELY AND

CHECK FOR DIRT OR DAMAGE TO THE FITTING OR THE INSIDE OF THE SPEEDBAR.

4.4 Flip the glider upright on the control bar. Try to set the speed bar on level ground. Remove the glider

bag and all the Velcro sail ties. Take the batten bag with battens out of the pack. Do not remove the

leading edge tip protection bags at this time (fig. 6).

4.5 Attach the bottom front wires to the hook on the bottom nose plate (fig. 7).

Figure 6 Figure 7

Figure 8 Figure 9

4.6 By lifting up the nose batten, push the nose batten fully back into the sail so that the V-tip of the

batten rest on top of the keel tube (fig. 9).

4.7 Remove the kingpost protection bag (fig.6). Remove sweep wires hook protection bag and the keel

tube extension protection bag (fig. 10 and fig. 11).

Figure 10 Figure 11

4.8 Spread the wings all the way (fig. 12) and check all cables for any twisted thimbles or tangled cables.

At the trailing edge on the top surface of the wing find the sweep (crossbar tensioning) wires pull handle

webbing. Pull the sweep wires handle rearwards along the keel tube, checking that the sweep wires are

not twisted. The king post will rise up when doing so. Attach the shackle of the sweep wires to the hook,

which is placed on the keel tube (fig. 13).

WARNING

IN-FLIGHT DISENGAGEMENT OF THIS ATTACHMENT WILL CAUSE A COMPLETE LOSS OF

STRUCTURAL SUPPORT OF THE WING AND A TOTAL LOSS OF CONTROL. NEVER ATTACH THE

PULL HANDLE WEBBING OF THE SHACKLE TO THE HOOK, EVEN TEMPORARILY!

Figure 12 Figure 13

Figure 14

When pulling the sweep wires handle make sure

the washout bridles are not twisted or tangled

around the bridle carabiner (fig. 14).

4.9 Remove the keel tube extension from the keel tube and support the glider under the keel tube with it

as shown on the figure 15. Remove the wingtip protection bags (fig. 16).

Figure 15 Figure 16

4.10 Remove battens from the batten bag and check each batten for symmetry against the corresponding

batten from the other wing. Align the battens at the nose, and at about the 60% chord point. There should

not be any deviation of more than 3 mm (1/8’’) from one batten to the other along the full length of the

battens.

If you choose not to check your battens for symmetry before each flight, you should, at a minimum, check

them once a month.

Aeros convention is that red marked battens go in the left wing and green marked battens in the right.

Battens are numbered from the centre outwards, and the longest batten in a Fox-18 is designated as the

"No. 1" batten. Install all cambered battens in the sail.

CAUTION

INSERT BATTENS CAREFULLY, SO AS TO MINIMIZE STRESS AND WEAR ON THE SAIL.

Never insert or remove battens with heavy wind pressure on the top of the sail or in any condition which

causes the battens to slide with great resistance in the pockets.

Install the batten tips into the hem of the trailing edge. At each batten, make sure the opening in the

underside of the trailing edge hem is spread to accept the tab on the batten tip. Make sure the tab slides

fully into the hem.

To open or close the batten tip lever - press firmly on the undersurface of the tip lever to disengage or

engage it (fig. 17).

Figure 17 Figure 18

4.11 Tension the tip battens with the double tensioned rubber bands (fig. 18).

Figure 19 Figure 20

4.12 The next step is to install the outboard sprogs. To do so swing the sprog away from the leading edge

and push it towards the leading edge into the receptacle. Make sure the sprog sits all the way in the sprog

receptacle (fig. 19).

4.13 Install the keel tube extension back in the keel tube and lower the glider on the keel tube.

4.14 Having ensured that the keel batten is correctly positioned and resting with its nose on the keel tube,

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