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Rolladen-Schneider LS7 WL VH-XJB Information For Pilots
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Rolladen-Schneider LS7 WL VH-XJB Information For Pilots

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TABLE OF CONTENTS
1.
General Information/Specifications
2.
Handling Notes
3.
Technical Details
4.
Daily Inspection
5.
Water Ballast System
The LS-7 is a T-tail, Standard Class, single seat sailplane with winglets. It is capable
of carrying water ballast in the wings and tailfin. It has a retractable, sprung landing
gear and upper wing surface airbrakes. The LS7 was designed by Walter Lemke
and produced by Rolladen-Schneider GmbH. Carbon fibre was used extensively in
its construction. The LS7 was manufactured from 1988 to 1993 with 164 aircraft
produced.
1.
GENERAL INFORMATION/SPECIFICATIONS
VH- XJB
Wing Span
Length
Height
Wing Area
Wing Aspect Ratio
Empty weight
Max Gross Wt
Max Wing Loading
Aerofoil
Glide Ratio
Electronic Audio Vario
Mechanical Vario
Radio
Air Speed Indicator
Altimeter
Water Ballast
1.1
Undercarriage Warning
This aircraft is not fitted with an undercarriage warning.
LS7 Pilot notes
LS7 WL, VH-XJB
INFORMATION FOR PILOTS
(Revised April 2017)
Serial No. 7069
15 m (49.21 Ft)
6.66 m (21.84 Ft)
1.33 m
(4.36 Ft)
2
2
9.73 m
(104.8 Ft
23.1
235 Kg
486 Kg (1071 Lbs)
2
50 Kg/m
(10.2 Lbs/Ft
Wortmann modified.
43:1 at 57 Kts
Borgelt B100
Winter
Xcom VHF Radio
Small Winter
Winter
50 L (each) wing bags / 5.5 L tail tank
John Hudson
)
2
)
Page 1 of 10

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Summary of Contents for Rolladen-Schneider LS7 WL VH-XJB

  • Page 1 It has a retractable, sprung landing gear and upper wing surface airbrakes. The LS7 was designed by Walter Lemke and produced by Rolladen-Schneider GmbH. Carbon fibre was used extensively in its construction. The LS7 was manufactured from 1988 to 1993 with 164 aircraft produced.
  • Page 2 Flight Computer The LS4 7 is fitted with an LX-NAV LX8000 flight computer. Consult the manual for instructions on its use. Air Brakes A. The airbrakes have an over-centre lock to lock them closed. B. There is another over-centre lock to lock them fully open. C.
  • Page 3 F. For each 10 Kg of pilot weight above 70 Kg, 1 litre of water may be added to the tailfin tank. Tools A. Tail Plane Attachment Nut Tool, i. Located in cockpit sidewall pocket. ii. Used to secure the Tailplane attachment Nut. iii.
  • Page 4 PILOT HANDLING NOTES Ground Handling A. Secure the control stick with the seat belt harness while ground towing to minimize elevator deflection and component wear. Use Wing-walker, Tail-dolly and tow bar. C. Avoid handling the ailerons. The foam sandwich is pressure sensitive and is easily deformed.
  • Page 5 Thermalling speeds The LS7 performs better at higher than normal thermalling speeds when compared to other standard class gliders. 2.6. Stall / Stall Recovery  Slight tail shudder prior to entry.  Stall Speed @ maximum weight, 486 Kg in straight flight, 36 Kts ...

  • Page 6: Technical Details

    TECHNICAL DETAILS 3.1. Speeds (IAS) Vne, sea level – 6500 ft 146 Kts Vne, 6500 Ft – 9800 ft. 139 Kts Vne, 9800 Ft – 13100 Ft 132 Kts Vne, 13100 Ft – 19700 Ft 118 Kts Vne, 19700 Ft – 26200 Ft 105 Kts Vne, 26200 Ft –...
  • Page 7 3.5. Launch Method Weak Link  Aerotow; 550 Kg  Winch Launch; 825 Kg (Maximum); 750 Kg recommended in Club use. Tyre Pressure Main wheel 300-340 KPa (43-50 PSI) Tail wheel 340 kPA (36-50 KPa) LS7 Pilot notes Page 7 of 10...

  • Page 8: Daily Inspection

    DAILY INSPECTION Cockpit A. Main Wing Pins, Secure B. Instruments C. Electrics, Radio Batteries installed / Connected / Secure. D. Harness condition / security E. Parachute / cushions available. F. Canopy: attachment, locking mechanism, cleanliness G. Cockpit Cleanliness. H. Controls, Full, free and correct sense. Thermometer (near landing gear handle) functioning, normal.

  • Page 9: Water Ballast System

    WATER BALLAST SYSTEM Filling Sequence Fill in the following sequence A. Tail tank B. Left Wing C. Right Wing OPEN" water dump valve - shift cockpit dump lever to the rearward position. If the tail-fin tank is to be used, fill this tank first. Connect tail-fin tank tube and funnel to tail-fin tank dump valve.
  • Page 10 5.10 Water Dumping Water is dumped at a rate of approx 150 Litres in 4 Minutes. To dump, OPEN cockpit dump lever – move lever to the most rearward position. LS7 Pilot notes Page 10 of 10...