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Apco NESTRA User Manual

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USER MANUAL
7 Chalamish St., Ind.Park Caesarea, 3088900 Israel
www.apcoaviation.com

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Summary of Contents for Apco NESTRA

  • Page 1 USER MANUAL 7 Chalamish St., Ind.Park Caesarea, 3088900 Israel www.apcoaviation.com...
  • Page 2 Following our philosophy, doubts or suggestions, please, don’t hesitate to contact your APCO dealer or us at like all of our products, this www.apcoaviation.com.

  • Page 3: Table Of Contents

    P a g e MATERIALS FLEXON® BATTEN SYSTEM: DOUBLE DIAGONAL RIBS (DDR) TRIMMING HARNESS EMERGENCY PARACHUTE SPEED SYSTEM RISERS GENERAL INSPECTION ANNUAL / PERIODICAL AIRWORTHINESS INSPECTION BEFORE THE FIRST FLIGHT PARAGLIDING PACKING MAINTENANCE & CLEANING BUTT HOLE II (AUTO DEBRIS RELEASE VALVES) STORAGE DAMAGE THREE YEAR WARRANTY...
  • Page 4 3D shaping, butt holes, competition lines, shark nose, APCO V- links, brake tensioners and more. The Nestra is intended to pilots who has experience with EN-B paragliders and flying at least 50h per year, and also recommended for pilots that are already flying EN C wings but wants to move for a...
  • Page 5 NESTRA – “You’ll be on your way up! You’ll be seeing great sights! You’ll join the high fliers who soar to high heights.” Dr. Seuss...
  • Page 6 Both sides of the wing end in a stabilizer or wing tip, which provides straight-line (yaw) stability and produces outward lift to keep the span-wise tension. The front part of the ribs uses APCO's FLEXON batten system to keep the shape of the leading edge at high speeds and in turbulent air, they also improve the performance and launching characteristics of the paraglider.

  • Page 7: Materials

    APCO’s V-Links.

  • Page 8: Double Diagonal Ribs (Ddr)

    5 HARNESS All the APCO’s paragliders are developed with the use of ABS (Automatic Bracing System) type harnesses without cross bracing. We recommend the use of an ABS harness with all our paragliders. All certified harnesses can be used with our gliders. For best safety and performance, we recommend an APCO harness equipped with a Mayday emergency parachute.

  • Page 9: Speed System

    P a g e 7 SPEED SYSTEM ASSEMBLY & ADJUSTMENT APCO’s paragliders can be ordered with the Wonder-Bar, which makes reaching the speed bar a breeze. • First attach the harness to the glider. • Remove the Chain Link from the end of the accelerator line attached to the speed bar, then thread it through the elasticized ring on the harness, then through harness pulley and then re-attach it to the Chain link with a larks-head knot.

  • Page 10: Risers

    | 10 8 RISERS The NESTRA is supplied with risers featuring a split A riser. The 1st A- riser attaches to the central two A lines (A1 & A3). The second A-riser is attached to the outermost A line (A5). At no time should the pilot change the risers or use risers not intended for this specific glider as this will affect the performance and safety of the glider.
  • Page 11 Snap-on plastic inserts model supersede previous bolt on plastic inserts model. in a symmetrical manner with even grooves on the edges of the female part (c). Contact your APCO AVIATION dealer to place an order for a kit of new Snap-On inserts.

  • Page 12: General Inspection

    Porosity is measured with a calibrated Porosimeter. It should be measured in at least 5 different places on the upper surface. Below is an example of the sections we test at APCO. The upper surface, at 20-35% chord (from L/E) is most prone to become porous, and is thus the...
  • Page 13 P a g e | 13 LINE MAINTENANCE • Unsheathed Kevlar lines are known by their resistance to stretching, warm temperatures and durability, even being durable and resistant, they must be carefully inspected periodically. • In his/her own interest, the pilot must observe the following points to ensure maximum performance and safety from the glider. Avoid sharp bending and squeezing of lines.

  • Page 14: Before The First Flight

    • Check that the risers and speed-system are hooked up to the harness correctly, without any interference. • Check that V-Links are snapped and closed. *On the Nestra we have no adjustable or removable devices. REGULAR INSPECTION CHECKS • Damage to lines, webbing and thread on the stitching of the harness and risers.

  • Page 15: Paragliding

    The FLEXON rib reinforcements will keep the shape, and the leading edge open for easy inflation. ALPINE LAUNCH OR FORWARD LAUNCH • The NESTRA has very good launch behaviour in no wind conditions. • For the best results we recommend the use of the following technique: •...
  • Page 16 | 16 STRONG WIND AND REVERSE LAUNCH The NESTRA is easy to inflate and control, but like any other wing, it’s important to be careful in strong wind conditions to not be over pulled. Due our improved new risers design, we recommend you to pull the A risers in your direction, instead of pulling up, this movement will lead into an easier inflation.
  • Page 17 The glider behaves really well even in strong thermal conditions, with no strong pitch tendency, it is normal to sometimes have some small and smooth tips collapses, we have designed the NESTRA on purpose to be more communicative, so you will be aware when you are flying through unstable air and will be ready to act accordingly.
  • Page 18 P a g e | 18 C-STEERING SYSTEM (CSTR) The CSTR is essentially a system that cancels the effect of the speed system. It rotates the canopy to a higher angle of attack in a clean rotation exactly as the speed system rotates the wing to a lower angle of attack, with this technology you will have a similar feeling of flying a two liner paraglider.
  • Page 19 B-STALL B-stall is not suitable for the NESTRA. CRAVAT In case a cravat occurs after a collapse, it is important to keep your flying direction by applying some brake on the opposite side and then it can usually be opened by pulling down on the stabilo line, or an effective brake input on the affected side while countering the turn with the opposite brake and weight shift.
  • Page 20 SPIRAL DIVES The NESTRA has very good behaviour in spiral and has no tendency to stick in the spiral. By progressively applying brake on one side the glider can be put into a spiral dive. Safe high sink rates can be achieved like this. The spiral has to be exited slowly by releasing the brake over one complete turn or the glider may pitch forward and possibly suffer a collapse.
  • Page 21 P a g e | 21 CAUTION: Some gliders can be neutral in spiral and may not exit without pilot input. To exit a neutral spiral the pilot has to lean his/her weight to the outside of the turn or apply brake input to turn out of the spiral (on the outside wing). As soon as the glider starts to slow down in the spiral the outside brake must be released.
  • Page 22 P a g e | 22 STEERING NOT FUNCTIONING If the pilot cannot reach the brake or steering lines for any reason or if they are not functioning properly, (for example: If they break on a damaged point) the pilot can control the glider by the c-steering system. Care must be taken when using c-steering system, as much less input is needed to turn the wing and the response of the wing is also much slower than when using the brakes.

  • Page 23: Packing

    P a g e | 23 WATER LANDING As you approach landing, open all the buckles of the harness except for one leg. Just before landing, release the remaining buckle. Let the wing pitch completely forward until it hits the water with the leading edge openings; the air inside will then be trapped, forming a big air mattress and giving the pilot more time to escape.

  • Page 24: Butt Hole Ii (Auto Debris Release Valves)

    | 24 15 BUTT HOLE II (Auto Debris release valves) The NESTRA is equipped with Butt-Hole II, which automatically clears smaller particles such as sand, grass and stones from the wing. 16 STORAGE When the glider is not in use, the glider should be stored in a cool, dry place. A wet glider should first be dried (out of direct sunlight).

  • Page 25: Damage

    APCO Aviation Ltd. guarantees the fabric of its wings against porosity to the extent that the wing becomes Unairworthy. The fabric is warranted to remain sufficiently impermeable to air, to fly safely for a period of 250 hours or 3 years, whichever comes first. APCO Aviation Ltd.

  • Page 26: General Advice

    P a g e | 26 Any special, indirect, incidental or consequential damages of any nature whatsoever, resulting from the use of the wing, or lack of use and pleasure thereof, other than the cost of the product. This warranty is transferable. Your statutory rights are in no way affected by this warranty.
  • Page 27 P a g e | 27 RECYCLING If you need to dispose the wing, do so in an environmentally responsible manner. Recycling of many parts of the wing is possible, and there are some organizations that manufacture reusable shopping bags, windsocks, backpacks and more using old donated wings. Funds raised are often used for charitable donations.
  • Page 28 P a g e | 28 TECHNICAL SPECIFICATIONS NESTRA Flat Aspect Ratio 5.75 Number of cells Projected Aspect Ratio 4.22 4.39 4.39 4.39 Flat Area 22.4m² 23.35m² 25.00m² 27.12m² Projected Area 18.85m² 19.64m² 21.09m² 22.81m² Span 8.9m 9.285m 9.624m 10.007m Chord 2.40m...
  • Page 29 Kevlar 8000U series – 280/230/130 Edelrid Brake lines Kevlar 8000U series – 50/90, Sheeted Dyneema 2.0 Edelrid/Cousin Cloth Leading edge "Zero Porosity" Ripstop Nylon 42gr/m2 APCO Upper surface Skytex 33gr/m2 Porcher Lower surface Skytex 27gr/m2 Porcher Skytex 27gr/m2 - Sakai Ovex 42gr/m2...
  • Page 30 P a g e | 30 Min speed 23km/h Glider Performance Trim speed 39km/h Max speed 52+km/h Speed system travel 14cm Line Map...
  • Page 31 P a g e | 31 CERTIFICATION DATA – Flight Test Configuration SIZE Harness to riser Distance between risers Test Weight Brake Range Certification at Max Weight 40 (+-1) 40 (+-1) 40 (+-2) 40 (+-2) >60cm 40 (+-1) 42 (+-1) 40 (+-2) 44 (+-2) >60cm...
  • Page 32 P a g e | 32 *Difference not more than ±10 mm from user's manual and reality *Line lengths aremeasured under a tension of 50 N...
  • Page 33 P a g e | 33 *Difference not more than ±10 mm from user's manual and reality *Line lengths are measured under a tension of 50 N...
  • Page 34 P a g e | 34 *Difference not more than ±10 mm from user's manual and reality *Line lengths are measured under a tension of 50 N...
  • Page 35 P a g e | 35 *Dimensions given in the user's manual shall be checked by the testing laboratory...
  • Page 36 P a g e | 36 *Dimensions given in the user's manual shall be checked by the testing laboratory...
  • Page 37 P a g e | 37 *Dimensions given in the user's manual shall be checked by the testing laboratory...
  • Page 38 P a g e | 38...

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