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LS7 Pilot notes 

Page 2 of 10 

 

1.2 

Flight Computer 

The LS4 7 is fitted with an 

LX-NAV LX8000

 flight computer.  Consult the 

manual for instructions on its use.

 

1.3 

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.  The airbrakes should be unlocked when hangared. 

 

1.4 

Wheel Brake 

A.  The  wheel  brake  is  operated  by  "heel  brake"  pedals  located  in  the 

rudder pedal assembly. The wheel brake is very effective.  

B.  Care  must  be  exercised  to  ensure  the  wheel  brake  is  not 

(unconsciously) on at the point of landing 

– Ensure your heels are not 

applying the brake. 

C.  The  wheel  brake  should  be  operated  cautiously  to  avoid  tipping  the 

glider onto its nose. 

 

1.5 

Canopy 

A.  The  canopy  is  hinged  at  the  front  and  opens  upward  and  is  secured  in 

the "

closed" 

position by 2 levers, one either side of the canopy. 

B.  The right-hand side lever also act as "canopy jettison" levers. 
C

.  To OPEN canopy

 

i. 

Pull both levers back to unlock. 

ii.  Push canopy up from the back. 

D. 

To Jettison Canopy

 

i.  Pull both handles back to the stops. 

ii.  The  right-hand  side  lever  has  longer  travel  and  requires  additional 

force to reach the stop. 

E. 

Do  not  force  the  canopy  closed. 

If  it  is  difficult  to  close,  there  is 

something obstructing it (Pee tube, Seat Belt etc).

 

F. 

Do not lift the canopy by the vent window opening, use the handles 
provided. 

 

1.6 

Pee Tube 

The glider is fitted with a "Pee Tube".

  

If you use this, please flush it after the 

flight.

 

 

1.7 

Water Ballast 

A.  The water ballast system consists of a "bag" in each wing and tail tank. 
B.  Consult  the  "Water  Ballast"  chart  to  determine  the  maximum  water 

ballast which may be carried. 

C.  The ballast tanks, including the tail tank, are "bottom" filled. 
D.  Hoses, funnels etc for filling are stored on a board in the main hangar. 
E.  It is necessary to withdraw air from the wing bags before filling. 

Summary of Contents for LS7 WL VH-XJB

Page 1: ... 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 Serial No 7069 Wing Span 15 m 49 21 Ft Length 6 66 m 21 84 Ft Height 1 33 m 4 36 Ft Wing Area 9 73 m2 104 8 Ft2 Wing Aspect Ratio 23 1 Empty weight 235 Kg Max Gross Wt 486 Kg 1071 Lbs Max Wing Loading 50 Kg m2 10 2 Lbs Ft2 Aer...

Page 2: ... levers one either side of the canopy B The right hand side lever also act as canopy jettison levers C To OPEN canopy i Pull both levers back to unlock ii Push canopy up from the back D To Jettison Canopy i Pull both handles back to the stops ii The right hand side lever has longer travel and requires additional force to reach the stop E Do not force the canopy closed If it is difficult to close t...

Page 3: ...gs to allow access to the winglet securing pins ii Push the winglet securing pins out iii Place winglet pins into the holes in the winglet Side slipping with winglets is PROHIBITED 1 11 Trailer A XJB trailer is a Cobra style copy of the clamshell configuration B The trailer is fitted with brakes and a standard 7 pin plug for lights etc C The spare tyre is located under the trailer floor immediatel...

Page 4: ...udder pedals ii 1 X 2 5 Kg ballast weight 5 Kg of Pilot weight B Maximum Cockpit load is 112 Kg C Batteries installed and connected 2 3 Takeoff CHAOTIC checks completed Controls full and free movement Harness Secure Airbrakes closed and locked Outside Wind Obstructions Crew Options Trim set neutral Instruments Set a LX8000 ON b Data Logger ON c Radio On Canopy Closed and locked 2 4 Speeds Stall Sp...

Page 5: ...osite rudder elevator nose down until glider recovers NOTE Sideslip with winglets fitted is prohibited 2 7 Flying In Rain Flight in rain will result in a considerable decrease in performance Increase speeds by 5 6 Kts including approach and landing speeds 2 8 Landing Gear Rapid operation eases retraction Operating handle in forward position Gear Up Operating handle in rearward position Gear Down W...

Page 6: ...ass Maximum T O weight with water ballast 486 Kg 1071 Lbs Maximum T O weight without water ballast 389 Kg 858 Lbs Maximum Landing weight Maximum Wing Water Ballast 100 Kg 220 Lbs Maximum Tail fin ballast 5 5 Kg 12 Lbs Maximum Cockpit Load 120 Kg 265 Lbs Minimum Cockpit Load 70 Kg 154 Lbs Ballast Weights 1 X 2 5 Kg weight 5 Kg of pilot weight 3 3 Tail Tank Limits For each 10 Kg of pilot weight abov...

Page 7: ...Pilot notes Page 7 of 10 3 5 Launch Method Weak Link Aerotow 550 Kg Winch Launch 825 Kg Maximum 750 Kg recommended in Club use 3 6 Tyre Pressure Main wheel 300 340 KPa 43 50 PSI Tail wheel 340 kPA 36 50 KPa ...

Page 8: ...ion gap tapes secure D Wingtip skid condition security E Water Ballast drains clear 4 3 Rear Fuselage A Rear Static Ports clear B Tailboom condition Tail skid wheel assembly Tyre Pressure C Tailplane security gap tapes D Pitot Head secure lower E Total Energy Head upper secure F Water ballast drain clear 4 4 Right Wing General Condition A Gap Tape B Airbrake box Cap extension closing damper C Aile...

Page 9: ...ft Wing bag A Open left wing dump valve through Baggage Compartment B Suck residual air from the left wing bag close dump valve before stopping sucking using hose connected to the under wing dump valve C When air is removed lay the left wing down open dump valve and supply total wing water ballast via funnel held maximum 1 metre above the wing D Close left wing dump valve and remove tube and funne...

Page 10: ...LS7 Pilot notes Page 10 of 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 ...

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