DG Flugzeugbau DG-1000S Flight Manual
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DG Flugzeugbau DG-1000S Flight Manual

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DG Flugzeugbau GmbH
Otto-Lilienthal-Weg 2 / Am Flugplatz • • • • D-76646 Bruchsal • • • • Germany
Postbox 1480, D-76604 Bruchsal • • • • Germany
Tel. 07251/3020-100 • • • • Telefax 07251/3020-200 • • • • eMail: dg@dg-flugzeugbau.de
Spare part and material sales: Tel. 07251/3020-270 • • • • lager@dg-flugzeugbau.de
www.dg-flugzeugbau.de
F L I G H T M A N U A L
F O R T H E
S A I L P L A N E
DG-1000S
Model
:
DG-1000S
German Data Sheet No.:
413
Factory Serial No.:
__________________________
Registration No.:
__________________________
Date of Issue:
March 2002
Pages as indicated by "App." are approved by:
(Signature)
(Authority)
(Stamp)
(Original date of approval)
____________________
This sailplane is to be operated in compliance with information and
limitations contained herein.
Flight manual DG-1000S
Warnings
• All sailplanes are very complex technical devices. If you don't use yours as it
is intended and within the certified operating limitations or if you fail to carry
out proper maintenance work, it may harm your health or place your life in
danger.
• Prior to flying the aircraft read all manuals carefully and regard especially all
warnings, caution remarks and notes given in the manuals.
• Never take off without executing a serious pre-flight inspection according to
the flight manual!
• Always respect the relevant safety altitudes!
• Respect the stall speeds and always fly with a safety margin above the stall
speed according to the flight conditions, especially at low altitudes and in the
mountains.
• Use only the battery chargers as specified in the flight manual.
• Don't execute yourself any work on the control system except for greasing.
• Repairs and maintenance work should only be accomplished by the
manufacturer or at certified repair stations rated for this type of work. A list
of stations which have experience with DG aircraft may be obtained from
DG Flugzeugbau.
• Even if no annual inspections are required in your country, have your aircraft
checked annually, see maintenance manual section 2.
Ausgabe: March 2002

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  • Page 1 DG Flugzeugbau GmbH Flight manual DG-1000S Otto-Lilienthal-Weg 2 / Am Flugplatz • • • • D-76646 Bruchsal • • • • Germany Postbox 1480, D-76604 Bruchsal • • • • Germany Tel. 07251/3020-100 • • • • Telefax 07251/3020-200 • • • • eMail: dg@dg-flugzeugbau.de Warnings Spare part and material sales: Tel.
  • Page 2 Flight manual DG-1000S Flight manual DG-1000S 0 Revisions 0.1 Record of revisions Any revision of the present manual, except actual weighing data, must be recorded in the following table and in case of approved sections endorsed by the responsible airworthiness authority.
  • Page 3 Flight manual DG-1000S Flight manual DG-1000S 0.2 List of effective pages List of effective pages (cont.) Section page issued replaced/ replaced/ Section Page issued replaced/ replaced/ March 2002 App. March 2002 see manual amendments " " " " " "...
  • Page 4 Flight manual DG-1000S Flight manual DG-1000S List of effective pages (cont.) 0.3 Table of contents Section Page issued replaced/ replaced/ Section March 2002 General (a non-approved section) " " Limitations (an approved section) " " Emergency procedures (an approved section) "...

  • Page 5: Introduction

    1.1 Introduction 1 General The sailplane flight manual has been prepared to provide pilots and instructors with information for the safe and efficient operation of the DG-1000S glider. Section Page This manual includes the material required to be furnished to the pilot by JAR Introduction ....................1.2...
  • Page 6 1.3 Warnings, cautions and notes 1.4 Descriptive data The following definitions apply to warnings, cautions and notes used in the The DG-1000S is a two-place high performance sailplane for training and cross flight manual. country flying and in addition for aerobatic training.
  • Page 7 Flight manual DG-1000S Flight manual DG-1000S Technical data 1.5 Three view drawing Span Wing area 16,72 17,53 Aspect ratio 19,38 22,82 Length 8,57 Fuselage height Fuselage width 0,73 Span of the horizontal tailplane Waterballast Wings max. kg (l) Waterballast fin max.

  • Page 8: Table Of Contents

    Flight manual DG-1000S Flight manual DG-1000S 2 Limitations 2.1 Introduction Section 2 includes operating limitations, instrument markings and basic placards Section Page necessary for safe operation of the glider, its standard systems and standard equipment. Introduction ....................2.2 The limitations included in this section have been approved by the LBA.

  • Page 9: Airspeed

    Flight manual DG-1000S Flight manual DG-1000S 2.2 Airspeed 2.3 Airspeed Indicator Markings Airspeed limitations and their operational significance are shown below Airspeed indicator markings and their colour code significance are shown below. Speed Remarks Marking (IAS) value Significance km/h or range (kts.)

  • Page 10: Mass (Weight)

    Flight manual DG-1000S Flight manual DG-1000S 2.5 Centre of gravity 2.4 Mass (weight) Centre of gravity range in flight is Category A „Aerobatic“ 190mm (7.48 inch) up to 440mm (17.32 inch) behind datum. Maximum take off weight: 630 kg 1389 lbs.

  • Page 11: Manoeuvring Load Factors

    Flight manual DG-1000S Flight manual DG-1000S 2.7 Manoeuvring load factors 2.9 Kinds of operation The following load factors must not be exceeded: A) All configurations Category Utility Aerobatic Flights according to VFR (daylight) Aerotow at manoeuvring speed +5,3 -2,65 +7,0 -5,0 Winch- and auto-launching at max.

  • Page 12: Minimum Equipment

    Flight manual DG-1000S Flight manual DG-1000S 2.11 Aerotow, winch and autotow launching 2.10 Minimum equipment 2.11.1 Weak links As minimum equipment only the instruments and equipment specified in the equipment list (see maintenance manual) are admissible. max. 10000 N + 10% max.

  • Page 13: Tyre Pressure

    Flight manual DG-1000S Flight manual DG-1000S 2.13 Tyre Pressure 2.17 Limitations placards Main wheel 2,5 bar (36 psi) DG Flugzeugbau GmbH Nose wheel (if installed) 2,5 bar (36 psi) Other cockpit placards Type: DG – 1000S Serial No.: 10- Tail wheel...
  • Page 14 Flight manual DG-1000S Flight manual DG-1000S 3 Emergency procedures 3.1 Introduction Section 3 provides a checklist and amplification for coping with emergencies Section Page that may occur. Emergency situations can be minimized by proper pre-flight inspections and maintenance. Introduction ....................3.2 Caution: Canopy jettison and bailing out should be trained several times on the ground before flying the aircraft.

  • Page 15: Spin Recovery

    Flight manual DG-1000S Flight manual DG-1000S 3.5 Spin Recovery 3.8 Flight with asymmetric waterballast Apply full opposite rudder against direction of the spin, pause. If you suspect that the waterballast does not dump symmetrically you have to close the dump valves of the wingtanks immediately, to avoid greater Then ease stick forward until the rotation ceases, centralize the controls and asymmetry.

  • Page 16: Emergency Ground Loop

    Flight manual DG-1000S Flight manual DG-1000S 3.11 Emergency ground loop 4 Normal procedures If there is the risk of overshooting the landing strip you have to decide at least 40 m (130 ft) before the end of the field to execute a controlled ground loop:...

  • Page 17: Introduction

    Flight manual DG-1000S Flight manual DG-1000S 4. Rigging of the stabilizer 4.1 Introduction Install the battery Z110 or a ballast weight of 5.5kg (12.1 lbs.) in the battery This section provides checklist and amplification procedures for the conduct of box in the fin, connect the battery.

  • Page 18: Filling The Wing Water Ballast Tanks

    Flight manual DG-1000S Flight manual DG-1000S 4.2.2 Filling the wing water ballast tanks 4.2.3 Filling the fin ballast tank First open the fin tank and then open the right wing tank valve (top handle). This tank must be filled after filling the wingtanks. Determine the amount see Place the right wing tip on the ground.

  • Page 19: Derigging

    Flight manual DG-1000S Flight manual DG-1000S 4.2.5 Derigging 4.3 Daily Inspection Derigging follows the reverse of rigging. Please keep in mind the importance of the inspection after rigging the glider and Waterballast must be dumped first. respectively each day prior to the first take off. It is for your safety.
  • Page 20 Flight manual DG-1000S Flight manual DG-1000S Main landing gear and nose wheel (if fitted) Inspection after rigging - Walk around the aircraft check the struts, the gear box, the gear doors and the tyre for wear; dirt in the struts can hinder the landing gear from locking over centre the next time!;...

  • Page 21: Pre-Flight Inspection

    Flight manual DG-1000S Flight manual DG-1000S 4.4 Pre-flight inspection 4.5 Normal procedures and recommended speeds 4.5.1 Launch 1. Lead ballast (for under weight pilot)? Due to the towhook position being in the middle of the fuselage and the excellent effectiveness of the ailerons and rudder, the possibility of wing 2.

  • Page 22: Free Flight

    Stalling characteristics (level and turning flight) Strong crosswind offers no problem. When stalled the DG-1000S will warn by buffeting. If the stick is pulled further the DG-1000S will drop one wing. Do not approach too slowly with fully extended airbrakes otherwise the aircraft Only at forward C.G.

  • Page 23: Flight With Water Ballast

    Flight manual DG-1000S Flight manual DG-1000S 4.5.3.2 Landing with the landing gear retracted 4.5.4 Flight with water ballast Wheel-up landing is not recommended see emergency procedures section 3.10. 4.5.4.1 Wing tanks Recommended ballast for smooth thermals: After wheel-up landing check the fuselage belly and the tow hook for damage.

  • Page 24: Flight At High Altitude And At Low Temperatures

    Flight manual DG-1000S Flight manual DG-1000S 4.5.4.4 Dumping of the waterballast 4.5.6 Flight in rain First open the fin tank, then open both wing ballast tanks together. Do not empty With light rain the stall speed and the sink rate increases slightly and the one wing tank after the other to avoid an asymmetric loading condition.

  • Page 25: Aerobatics

    =185 km/h (97 kts.). At speeds between V and V = 270km/h The DG-1000S will terminate the spin by itself after a certain number of turns (146 kts.) reduce the control movements accordingly. At V only 1/3 of the dependent on the C.G. position. The nose down pitch and speed will be high so max.
  • Page 26 120 km/h (65 kts.) with fast rudder deflection. The Caution: the DG-1000S is equipped with a powerful longitudinal trimming turn will look nicer and be narrower than with the method described above.
  • Page 27 After the wing has passed the first vertical position the stick is to be pushed C.G. position between 105 - 115 km/h, 57 - 62 kts.) the DG-1000S will stall. slightly (never abruptly) forward to keep the nose above the horizon. When the The stall will be indicated by buffeting of the tailplane.
  • Page 28 Flight manual DG-1000S Flight manual DG-1000S Flick manoeuvres 5 Performance The flick manoeuvres which have been tested with the DG-1000S should only Section Page be executed by experienced aerobatic pilots. The result is dependent as for any other sailplane on several parameters like inducing control speed, C.G. position, Introduction ....................5.2...

  • Page 29: Introduction

    Flight manual DG-1000S Flight manual DG-1000S 5.1 Introduction 5.2 Approved data This section provides approved data for airspeed calibration, stall speeds and 5.2.1 Airspeed indicator system calibration take-off performance and non-approved additional information. IAS = indicated airspeed CAS = calibrated airspeed The data in the charts has been computed from actual flight tests with the sailplane in good and clean condition and using average piloting techniques.

  • Page 30: Stall Speeds

    Flight manual DG-1000S Flight manual DG-1000S 5.2.2 Stall speeds 5.3 Additional Information The given speeds are the minimum achievable speeds during level flight in km/h 5.3.1 Demonstrated crosswind performance and (kts.). The demonstrated crosswind velocity is 15 km/h (8 kts) according to the airworthiness requirements.

  • Page 31: Flight Polar With 20 M Wing Span

    Flight manual DG-1000S Flight manual DG-1000S 5.3.3 Flight polar with 20 m wing span 5.3.4 Flight polar with 18 m wing span Issued: March 2002 Issued: March 2002...
  • Page 32 Weighing procedures ................6.2 the maintenance manual. Weighing record..................6.2 6.2 Weighing procedures Basic empty mass and C.G...............6.2 See maintenance manual DG-1000S. Mass of all non-lifting parts (WNLP) ............6.3 Datum: Wing leading edge at the rootrib. Reference line: aft fuselage centre line horizontal.

  • Page 33: Mass Of All Non-Lifting Parts (Wnlp)

    Flight manual DG-1000S Flight manual DG-1000S 6.5 Mass of all non-lifting parts (WNLP) 6.8 Loading chart The max. mass of all non-lifting parts is 469 kg (1034 lbs.). 6.8.1 Cockpit load see weighing report section 6.8.8. WNLP is to be determined as follows:...

  • Page 34: Battery In The Fin

    Flight manual DG-1000S Flight manual DG-1000S 6.8.4 Battery in the fin 6.8.7 Ballast box in the fin Only the use of the factory supplied battery Z110 (mass 5.5 kg, 11.8 lbs.) is Compensation of the C.G. shift due to the rear pilot: permitted.

  • Page 35: Weighing Report (For Section 6.3)

    Flight manual DG-1000S Flight manual DG-1000S 6.8.8 Weighing report (for section 6.3) 6.8.9 Empty weight C.G. limits (for 6.4) Distances in mm, masses in kg -- 25.4 mm = 1 inch / 1 kg = 2.2046 lbs. Date of weighing:...

  • Page 36: Dg-1000 Ballast Chart (For 6.8.5)

    Flight manual DG-1000S Flight manual DG-1000S 6.8.10 DG-1000 ballast chart (for 6.8.5) 6.9 C.G. calculation To determine the max. allowable waterballast in the wing tanks for max. take off The actual C.G. can be determined as follows: weight 750kg For each item, the moment mass x C.G. has to be determined and to be added up and divided by the total mass.
  • Page 37 Flight manual DG-1000S Flight manual DG-1000S If the actual pilot C.G. is not known, you have to take the values from the 7 Sailplane and systems description following table: flight: v = near the forward C.G. Page h = near the aft C.G.

  • Page 38: Introduction

    M.M. = Maintenance manual Refer to section 9 "Supplements" for details of optional systems and equipment. 7.2 Airframe The DG-1000S is a two-place high performance sailplane, either with 18 m span or with 20 m span and permanently installed winglets...
  • Page 39 Flight manual DG-1000S Flight manual DG-1000S 1) Control column 10) Undercarriage retraction - extension handle - black The rear control stick is removable. First open the snap shackle at the trim release lever to disengage the trim cable. Pull out the stick after unscrewing the cap nut.

  • Page 40: Flight Controls

    Flight manual DG-1000S Flight manual DG-1000S 16) Canopy opening handle - white-red 7.4 Flight controls Rudder control towards the nose = closed See diagram 2 M.M into cockpit = open Cable system with adjustable pedals in the front cockpit. 17) Canopy emergency release handle - red Elevator control See diagram 1 M.M.

  • Page 41: Landing Gear

    7.6 Landing gear 7.8 Seats and safety harness The DG-1000S is available with 3 different versions of the undercarriage: The front seat is constructed as an integral inner shell. A) Very high, spring mounted, retractable main wheel with hydraulic disc brake, The rear seat is height adjustable.

  • Page 42: Ballast Box In The Fin

    7.15.1 Removable ballast for under weight pilots charging voltage is necessary (normal automatic chargers charge only up to 13.8V). Such a charger is available from DG Flugzeugbau code no. Z 08. The ballast boxes (Option) at the right and left hand side of the instrument For periodical recharging the “power independent “...

  • Page 43: Oxygen System

    5EP34 in the maintenance Manual. 7.15.3 ELT Emergency Locator Transmitter To ensure a safe installation ask DG Flugzeugbau for an installation instruction. For the ELT ACK you will find an installation plan 5 EP50 in the maintenance manual.
  • Page 44 Tie Down, Parking ...................8.3 The "Instructions for continued airworthiness” (maintenance manual) for the Transport ....................8.4 DG-1000S have to be followed. Towing on the ground ................8.4 A Before each rigging all the connecting pins and bushes should be cleaned and greased. This includes the control connectors.

  • Page 45: Alterations Or Repairs

    The tow bar and wing tip wheel may be ordered through the DG Flugzeugbau factory. Issued: March 2002...

  • Page 46: Cleaning And Care

    Flight manual DG-1000S Flight manual DG-1000S 8.7 Cleaning and Care Plexiglas canopy - Use clean water and a chamois for cleaning. Exterior surfaces of the fibre-reinforced plastic parts - Stubborn dirt and small scratches can be removed by use of the "Schwabbel procedure"...
  • Page 47 Flight manual DG-1000S 9 Supplements Section not effective Issued: March 2002...

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