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LS7 Pilot notes 

Page 4 of 10 

 

2. 

PILOT HANDLING NOTES 

2.1 

Ground Handling 

A.  Secure the control stick with the seat belt harness while ground towing 

to minimize elevator deflection and component wear. 

B.   Use Wing-walker, Tail-dolly and tow bar. 
C.  Avoid  handling  the  ailerons.  The  foam  sandwich  is  pressure  sensitive 

and is easily deformed. 

D.  Ensure the canopy is closed and locked for all ground-handling activity. 

 

2.2 

Flight Preparation 

A.  Minimum Cockpit Load is 70 Kg.  

i. 

Ballast weights can be fitted in the nose ahead of the rudder 
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. 

C

ontrols, full and free movement. 

H

arness, Secure 

A

irbrakes, closed and locked. 

O

utside, Wind, Obstructions, Crew, Options 

T

rim, set neutral. 

I

nstruments, Set, 

a) 

LX8000 - ON 

b) 

Data Logger: ON 

c) 

Radio: On 

C

anopy, Closed and locked. 

 

2.4 

Speeds

 

 

Stall Speed (approx) 70 Kg pilot 

30 Kts 

Stall Speed (approx) 100 Kg pilot 

31 Kts 

Stall Speed (approx) Max AUW 

36 Kts 

Safe Speed Near the Ground 

55 Kts + ½ wind speed 

Aerotow Speed (no Water Ballast

)

 

Min 54 Kts

 

Aerotow Speed (with Water Ballast) 

Min 65 Kts 

Max Aerotow Speed 

103 Kts 

Winch Tow Speed 

Max, 76 Kts 

Rough Air Max 

103 Kts 

Vne 

146 Kts 

 

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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