Post by terry on Oct 15, 2009 7:24:37 GMT -5
Just a Reminder
FLIGHT TRIMMING
TO TEST FOR TEST PROCEDURE OBSERVATIONS ADJUSTMENTS
PROPER CG�method A Roll model inverted.
Slight down-elevator required for level flight.
Significant down-elevator required to sustain level flight.
No down-elevator required to sustain level flight.
No adjustments.
Move battery pack backward.
Move battery pack forward.
PROPER CG�method A From level flight, roll model to knife-edge.
Model falls without dropping nose or tail.
Nose drops.
Tail drops.
No adjustments.
Move battery pack backward.
Move battery pack forward.
ENGINE THRUST�up/down Fly model out around 100 yards, pull to a vertical climb directly in front of you, release sticks and observe deviations.
Model continues straight up.
Model pitches toward wheels.
Model pitches toward canopy.
No adjustments.
Decrease downthrust.
Increase downthrust.
ENGINE THRUST�left/right Fly model straight and level into the wind and pull vertical.
Model continues straight up.
Model veers left.
Model veers right.
No adjustments.
Increase right thrust.
Decrease right thrust.
KNIFE-EDGE FLIGHT�pitch Fly model into wind, maintaining knife-edge flight with minimal rudder. Do this from each direction.
Model continues on knife-edge without deviation.
Model pitches toward landing gear.
Model pitches toward canopy.
No adjustments.
Mix in up-elevator with rudder.
Mix in down-elevator with rudder.
KNIFE-EDGE FLIGHT�roll Fly model into wind. Do this from each direction, maintaining knife-edge flight with minimal rudder.
Model continues on knife-edge without deviation.
Model tries to roll.
No adjustments.
Mix in opposite aileron with rudder.
AILERON DIFFERENTIAL Fly model level heading into the wind or downwind. Pull to a 45-degree climb, and roll with aileron.
Model rolls without yaw.
Model exits yawed in opposite direction of roll.
Model exits yawed in direction of roll.
No adjustments.
Increase differential. Increase up-throw on aileron.
Decrease differential. Decrease up-throw on aileron.
FLIGHT TRIMMING
TO TEST FOR TEST PROCEDURE OBSERVATIONS ADJUSTMENTS
PROPER CG�method A Roll model inverted.
Slight down-elevator required for level flight.
Significant down-elevator required to sustain level flight.
No down-elevator required to sustain level flight.
No adjustments.
Move battery pack backward.
Move battery pack forward.
PROPER CG�method A From level flight, roll model to knife-edge.
Model falls without dropping nose or tail.
Nose drops.
Tail drops.
No adjustments.
Move battery pack backward.
Move battery pack forward.
ENGINE THRUST�up/down Fly model out around 100 yards, pull to a vertical climb directly in front of you, release sticks and observe deviations.
Model continues straight up.
Model pitches toward wheels.
Model pitches toward canopy.
No adjustments.
Decrease downthrust.
Increase downthrust.
ENGINE THRUST�left/right Fly model straight and level into the wind and pull vertical.
Model continues straight up.
Model veers left.
Model veers right.
No adjustments.
Increase right thrust.
Decrease right thrust.
KNIFE-EDGE FLIGHT�pitch Fly model into wind, maintaining knife-edge flight with minimal rudder. Do this from each direction.
Model continues on knife-edge without deviation.
Model pitches toward landing gear.
Model pitches toward canopy.
No adjustments.
Mix in up-elevator with rudder.
Mix in down-elevator with rudder.
KNIFE-EDGE FLIGHT�roll Fly model into wind. Do this from each direction, maintaining knife-edge flight with minimal rudder.
Model continues on knife-edge without deviation.
Model tries to roll.
No adjustments.
Mix in opposite aileron with rudder.
AILERON DIFFERENTIAL Fly model level heading into the wind or downwind. Pull to a 45-degree climb, and roll with aileron.
Model rolls without yaw.
Model exits yawed in opposite direction of roll.
Model exits yawed in direction of roll.
No adjustments.
Increase differential. Increase up-throw on aileron.
Decrease differential. Decrease up-throw on aileron.