
Jabiru J450 Constructors Manual
Testing>Flight testing
Tuesday, April 6, 2010
328 of 343
Run up and full power check
Re-start the engine and smoothly increase the engine speed to 2000 rpm. Check that all
temperatures and pressures are in the green part of the range.
Check each magneto individually: the maximum permissible rpm drop is 200 rpm but it is
typically much less. If an rpm drop of more than 100 rpm occurs on either magneto, shut the
engine down and call for the mechanic.
Still at 2000 rpm apply carburettor heat: the maximum permissible rpm drop is 100 rpm but it
is typically much less. Check that all temperatures and pressures are still in the green.
Advance the throttle until it is fully open: the engine should not falter or surge during this
operation. Record the maximum sustained static speed (2975 – 3050 rpm); wait for 60
seconds and then record the EOP, EOT, CHT and EGT (if fitted). Limit the full power
segment of the ground run to less than 2 minutes total time.
Bring the engine smoothly back 1200 rpm for a minute or 2 and then back to idle.
Engine shutdown
Allow the engine to return to idle: the idle should be smooth at 900 rpm. Turn both magneto
switches OFF and the engine should stop smoothly.
Turn the Master switch OFF.
Remove the cowling and check for any leaks of oil or fuel. Correct as required before
proceeding with the testing sequence.
Taxi tests
Re-start the engine and taxi to the movement area or ramp with your headset off.
Listen for and note:
Airframe sounds
Electric fuel pump functioning
Suspension movement
Doors and windscreen structure movement
Wheel bearings and brakes
Tyres rubbing on the wheel spats (if fitted)
Steering: should steer positively
Approaching the movement area or ramp cut the engine.
Check that the aircraft rolls freely without brake drag. At a slow speed and without your feet
on the rudder pedals apply the brakes firmly, the brakes should pull straight and the aircraft
should stop abruptly.
Any brake binding or wheel rubbing issues should be rectified before the first flight.
Restart the engine.
On the movement area or ramp check the turning circle (left and right turns). The radius of the
left and right turns should be the same.
Face into and taxi into wind. The aircraft should track straight with feet off the rudder pedals.
Содержание J450
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Страница 42: ...Jabiru J450 Constructors Manual Pre Paint Fuselage Undercarriage Fit main gear Tuesday April 6 2010 42 of 343...
Страница 95: ...Jabiru J450 Constructors Manual Pre Paint Fuselage Empennage Fit elevator Tuesday April 6 2010 95 of 343...
Страница 105: ...Jabiru J450 Constructors Manual Pre Paint Fuselage Empennage Fit rudder Tuesday April 6 2010 105 of 343...
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Страница 167: ...Jabiru J450 Constructors Manual Pre Paint Wings Cut aileron cable openings Tuesday April 6 2010 167 of 343...
Страница 217: ...Jabiru J450 Constructors Manual Post Paint Fuselage Electrical wiring diagrams Tuesday April 6 2010 217 of 343...
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Страница 238: ...Jabiru J450 Constructors Manual Post Paint Fuselage Interior Fit console controls Tuesday April 6 2010 238 of 343...
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