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THROTTLE-NEEDLE mixing ( ACRO / HELI ):
( ACRO )
THROTTLE-NEEDLE
THROTTLE STICK inputs for perfect engine tuning at all throttle settings. This function is particularly popular with
or installations with a high tank position. Not needed for fuel injection engines, which do this automatically.
Adjustability:
• An acceleration ( ACC ) function ( ACRO only) helps the engine compensate for sudden, large amounts of throttle input by
making the mixture suddenly richer, then easing it back to the proper adjustment for that throttle setting. This function
on rapid throttle input.
• Separate curves are available ( HELI
( ID1/2 ). Note that you can edit the mix for a different condition without being in that condition, to allow editing without
having to shut off the helicopter's engine every time. Be sure you are editing the proper curve by checking the name after
the > and not the one in parentheses.
GOAL of EXAMPLE:
Activate THROTTLE-NEEDLE mixing.
Adjust the points as follows to resolve
a slight lean midrange problem:
1: 40%
2: 45%
3: 65%
4: 55%
5: 40%
( HELI )
>NOR
STEPS:
Open the THROTTLE-NEEDLE function.
Activate the function.
HELI only. Select the condition to edit.
Adjust the travels as needed to match
your engine by slowly moving the stick
to each of the 5 points, then adjusting
the percentage at that point until the
engine is properly tuned.
ACRO
H E L I o n l y : s e t c u r v e s f o r o t h e r
conditions.
Close menu.
62
AILEVATOR .
INPUTS:
for 1 second.
to THROTTLE-NEEDLE .
to MIX .
to CND .
ACRO
HELI
to P-1 .
to P-2 .
to P-3 .
to P-4 .
to P-5 .
to ACC .
ACC
as needed.
to condition name.
to next condition to edit.
Repeat above steps as needed.
to ACT .
to NOR or (I12/ID3]
THR Stick
JOG KEY
to 40% .
to 45% .
to 65% .
to 55% .
to 40% .
MIX
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