Section 907
Smoke System
Page Date: 19. February 2014
907 - 5
Pilot´s Operating Handbook US
EXTRA 330LX
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CAUTION
A shut-off failure of the refill process can be recognized by smoke oil spilling out of the
vent line. In this case, turn off refill switch. The floating device switch in the main smoke
oil tank has to be checked accordingly.
B) SMOKE GENERATION
1. Bad weather window and ventilation
CLOSE
2. "SMOKE ARM" Switch
ON
3. Manifold Pressure
minimum 20" Hg
4. Switch in the throttle lever
for smoke generation
ON - OFF
N O T E
It is recommended to operate the smoke system only in forward flight, because during
reverse maneuvers (for example tail slide) smoke might enter the cockpit via the air
vents.
907.5
PERFORMANCE
Not affected.
907.6
WEIGHT AND BALANCE
Specific Weight of the paraffin oil = 0.85 kg/Litre
N O T E
The smoke system does not feature a capacity dipstick. In the case of unknown filling,
the smoke oil tanks should be drained and refilled with a known quantity. If this is not
possible, the most adverse case has to be taken for CG calculation. (This may be either
completely full or completely empty tanks).
907.7
DESCRIPTION OF THE SYSTEM
On pilot's demand the smoke system produces a trail of smoke by injection of smoke oil (straight
paraffin oil) into the engine exhaust. The smoke oil is vaporised by the exhaust gas heat and is
visible as dense smoke after leaving the exhaust.
For smoke system activation the "SMOKE ARM" switch located on the pilot instrument panel
needs to be switched ON first. The smoke „ON-OFF“ toggle switch is located on top of the
Summary of Contents for 330lx
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