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U-Turn Tandem U2 DHV 1 Owner's Manual

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Copyright ©
2003 by U-Turn GmbH, all rights preserved. No part of this publication may be reproduced or
developed further on in any way without written approval of the U-Turn GmbH
Text and Graphics: Ernst Strobl, Stefan Preuß, EWS
All technical details in this manual have been carefully checked by U-TURN. However we like to
mention that we don't take any liability for possible mistakes, neither in legal responsibility, nor
in liability cases that derive from mistakable details.We preserve the right to change this manu-
al in any way to achieve technical improvements.
- Owner's Manual
- DHV Musterzulassung
- DHV Line data
Februar 2005 / Revision 1.2

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  • Page 1 Februar 2005 / Revision 1.2 Copyright © 2003 by U-Turn GmbH, all rights preserved. No part of this publication may be reproduced or developed further on in any way without written approval of the U-Turn GmbH Text and Graphics: Ernst Strobl, Stefan Preuß, EWS All technical details in this manual have been carefully checked by U-TURN.
  • Page 2 Paraglider. You made a supreme choice. We wish you long and enjoyable flights and many happy landings with your U-TURN Looking back at a long tradition in air sports, U-TURN provides state of the art technology, and with our unique concepts we are setting the standard for the market.
  • Page 3 Answer sheet Name: First name: Address Telephone Nr.: E-Mail: U-Turn U2 Serial Nr: Date of purchase: Dealership: Tested by: Paraglider since: Flying hours: Club:...

  • Page 4: Table Of Contents

    Contents Introduction AFS system and new features 10-11 General Aspects Of Tandem Flying Legal Aspects Your Passenger 10-11 Equipment Flying Site and Passenger 11-12 Clip-In And Check Launch Position Inflation Of The Glider Flight Landing 15-16 After The Landing Technical Description Of The U2 Technical Specifications 17-18 Suspension System Of The U2...
  • Page 5 Contents Technical Description Of The U2 Harness Rescue System Flying The U2 Operation Aerobatics Motorised Paragliding Tandem Flying Pre-Flight Check 23-24 Clip-In To The Spreader Bars The Tandem Safety System Takeoff Turning Thermals And Turbulence Landing Towing Extreme Manoeuvres Behavior In Extreme Flying conditions Wingover Front Tuck Deep Stall...
  • Page 6 Contents Extreme Flugmanöver Canopy Deflation Emergency Steering Manoeuvres For Rapid Loss Of Altitude Spiral Dive B-Stall Big Ears Maintenance And Repairs 32-33 Some Closing Words U2 Assembly drawing DHV Luftsportgeräte-Kennblatt 35-36 Line Data 37-38 DHV Musterzulassung 39-40 Anhang...

  • Page 7: Introduction

    Introduction A warm welcome at U-Turn. Thank you for taking stock in our products and the philosophy behind them. The limits of physics are unbribable. To do the most practica- ble within this given frame is our goal. We concede: This is an ambitious and somehow immodest demand, but you`ll find U- Turn allways at the cutting edge of technology.

  • Page 8: Afs System And New Features

    “Our computer-based calculations were impres- sively confirmed during our tests”. The system is extremely responsive and top-quality manufacturing is necessary. U-Turn Co-founder Thomas Vosseler adds, “We will guaran- tee a strongly supervised manufacturing process”. Andreas Schubert, of the “Rhöner Gleitschirmschulen”, who has taught 10 % of all new pilots in Germany over the last ten years confirms, “This...
  • Page 9 AFS system and new features The principle of the pre-tensioning of the canopy led Strobl to more design improvements. AFS works best in combination with the geometric setting of the profiles. This means that the profiles do not run lengthwise along the canopy (90 degrees to flight direction), but at an angle between 80 and 100 degrees, allowing every cell to perform in the optimal way.

  • Page 10: Legal Aspects

    Legal Aspects The pilot of a tandem flight takes on a heavy responsibility and it is absolutely necessary that he is familiar with all of the legal aspects. Knowledge of the rules and regulations are taught during the tandem pilots course. They are essential for correct and proper tandem flying. An extract of important decrees and statutes for tandem flying in Germany follows:...

  • Page 11: Equipment

    Your passenger Experience has shown that many passengers sit down in the harness too soon, when the initial run is slowed down by the glider. This results in a start-stop. You must explain that it is necessary to inflate the glider by doing slow steps (this allows corrections), then accelerate to give the glider flying speed.

  • Page 12: Clip-In And Check

    Flying Site and passenger Proper adjustment of leg loops and chest strap is very important. Many passengers tend to sit down on landing and harnesses equipped with airbag or back protector are recommended. Clip-In And Check The passenger is cliped in to the longer or shorter (if available) loop of the spreader bar depending on height.

  • Page 13: Inflation Of The Glider

    Inflation Of The Glider The pilot inflates the glider as described in the instructions. With the "in line" method the passenger can help to raise the glider by holding on to the spreader bar above the carabiners. This offers the advantage of the passenger taking part in the launch process.

  • Page 14: After The Landing

    Offer the passenger the opportunity to describe his experiences or to ask questions. Technical Specifications The profile of U2 has been specially developed by U-Turn to meet all possible requirements of a fast and safe tandem with Intermediate character and gives high performance combined with optimum safety.
  • Page 15 Technical Specifications Minimum sink / glide ratio: Our products belong in each performance class to the best ones in the market. We want you to forget the adds with the fantastic glide ratio declarations. go out! Try and compare! Seite 17...

  • Page 16: Suspension System Of The U2

    Technische Daten More construction details including line lengths of the U-Turn FAT WILLIE can be obtained from the certification specification sheets which form part of this manual. At the time of delivery this glider conforms to DHV and AFNOR (SHV and ACPUL) requirements (see certification information as part of this manual).

  • Page 17: Risers

    Risers The A- and B-risers are differently coloured, to guarantee clear identifi- cation during launch and fast descents with B-Stall. Additionally, to ease B-Stalls, the B-riser is made longer and features a pulley system. Unaccelerated State Accelerated State Seite 19...

  • Page 18: The Spreader Bars

    The U2 is designed to retain optimum stability at a wide range of speeds. Despite its high performance this tandem is very easy to fly. The U-Turn U2 allows the pilot to concentrate on the flight. Seite 20...

  • Page 19: Harness

    When you choose a safety system, make sure that it is certified and sui- table for the planned takeoff weight. For example the U-Turn Protekt Bi. The safety system should be moun- ted to the harness of the pilot where an accidental deployment by pilot or passenger can be avoided.

  • Page 20: Operation

    Pre-Flight Check As for any aircraft, a pre-flight check is required for the U-Turn U2. Tandem gliders are often used by different pilots, if you are not the only one who uses the glider, please perform the check thoroughly. If you let someone else use the glider, please remind him to do the pre-flight check.

  • Page 21: Clip-In To The Spreader Bars

    Pre-Flight Check Double check for a "line over", launching with a line over can be dange- rous! Let the passenger take an active part in the pre-flight check, to make him familiar with the glider. Clip-In To The Spreader Bar The U2 has been tested and certified together with the delivered tandem spreader bars.

  • Page 22: Takeoff

    Turning The U2 is an agile glider and reacts immediately to pilot input. By using weight shift and light braking, the U-Turn U2 makes flat turns with mini- mum loss of altitude. Increasing the amount of brake pressure decrea- ses the radius of the turn. It is important to continually feel the changing pressures in both sides of your canopy when turning.

  • Page 23: Thermals And Turbulence

    Landing The U-Turn U2 is easy to land. While pointing into the wind, the pilot should fly the wing fast until he is at 2 m above the ground, at which point he should apply both brakes evenly and completely. When landing in stronger wind, less brake is required.

  • Page 24: Behavior In Extreme Flying Conditions

    Behavior In Extreme Flying Conditions Although FAT WILLIE is characterized by very high aerodynamic stability, turbulence or pilot error can result in an extreme flight condition. Proper behavior in extreme flight conditions is best taught in SIV courses. Every pilot who flys in turbulences or makes a mistake, can find himself in these flying conditions.

  • Page 25: Full Stall

    Full Stall CAUTION: The forces, that affect a tandem glider of this size during a Full Stall are very high. To force a Full Stall, pull both brakes all the way down. Depending on the arm length of the pilot, it might be necessary to take wraps of the brake lines.

  • Page 26: Spiral Dive

    Spiral Dive It is very easy to begin a Spiral Dive with the FATWILLIE. The Spiral Dive results in very high sink rates. For its proper use in extreme situations, the Spiral Dive should be pratised in easy conditions. However: •...

  • Page 27: Maintenance And Repairs

    Some Closing Words The U2 leads the way in paragliding research and development. We wish you many long and safe flights on your U-Turn U2. Remember to treat your canopy properly and always fly with respect for conditions and your capabilities.

  • Page 28: U2 Assembly Drawing

    U2 Assembly drawing Seite 34...
  • Page 29 Bitte nur Gleitsegel umrandete Felder ausfüllen Datum: 10.01.2005 Geräte-Kennblatt Nr.: Ausgabe: I. Zulassung 1. Gerätemuster: U-Turn GmbH 2. Hersteller: Telefon: +49 7720807111 Fax: +49 7720807112 3. Datum der Musterzulassung: II. Merkmale und Betriebsgrenzen 8,8 kg 1. Gerätegewicht (ohne Packsack kg):...
  • Page 30 9265 8680 8405 8580 8735 9415 8780 8505 8680 8835 9675 10065 11. Sonstige Besonderheiten: III. Betriebsanweisung in der Fassung vom: 10.01.2005 Ort, Datum, Stempel und Unterschrift des Herstellers: Bearbeitungsvermerk DHV: Kennblatt geprüft Sachsenkam, 10.05.2005 U-Turn GmbH von: Seite 36...
  • Page 31 Leinendaten Leinendaten Gleitsegelmuster: U-Turn U2 Hersteller: U-Turn GmbH Max. Startgewicht: 210 kg 1. Leinenspezifikation: Stammleine Stammleine Stammleine 1. Stockwerk Stockwerk Stockwerk TAE-GU TAE-GU TAE-GU TAE-GU TAE-GU TAE-GU Leinenhersteller Teijin Teijin Teijin Teijin Teijin Teijin Typenbezeichnung Limited, Limited, Limited, Limited, Limited,...

  • Page 32: Line Data

    Line data Seite 2 Festigkeitsberechnung und Leinendaten Gleitsegel U-Turn U2 2.2 Nachweis der Leinenfestigkeit oberhalb der Stammleinen Anzahl 2 der Leinen x Nennfestigkeit für jedes "Stockwerk" > Festigkeit der zugehörigen Stammleine Stammleinen 1. Stockwerk 2. Stockwerk 3. Stockwerk A-Leinen 1175,6...

  • Page 33: Dhv Musterzulassung

    DHV Musterzulassung Seite 39...
  • Page 34 DHV Musterzulassung Seite 40...

This manual is also suitable for:

Tandem u2 dhv 2Afs

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