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FUTABA T8J-2.4G - Introduction to Mixes; Mixes: Coordinating Control Surfaces; Examples of Pre-programmed Mixes

FUTABA T8J-2.4G
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58
MIXES: WKHEDFNERQHRIQHDUO\HYHU\IXQFWLRQ
Mixes are special programs within the radio that command one or more channels to act together with input from only one
VRXUFHVXFKDVDVWLFNVOLGHURUNQRE
There are a variety of types of mixes.
Types:
Linear:0RVWPL[HVDUHOLQHDU$OLQHDUPL[WHOOVWKHVODYHVHUYRWRGRH[DFWO\ZKDWWKHPDVWHUVHUYRLVGRLQJXVLQJ
RIWKHVODYHFKDQQHO¶VUDQJHWRGRVR$QH[DPSOHLV
FLAPERON
:KHQDLOHURQVWLFNLVPRYHGWKHÀDSVHUYRLVWROG
WRPRYHH[DFWO\WKHVDPHDPRXQW$OLQHDUPL[ZRXOGWHOOWKHVODYHVHUYRIRUH[DPSOHWRPRYHWRRILWVUDQJH
ZKHQWKHPDVWHUVFRQWUROLVPRYHGVHHS
Offset: An
OFFSET
PL[LVDVSHFLDOW\SHRIOLQHDUPL[:KHQWKHPL[LVWXUQHGRQXVXDOO\DÀLSRIDVZLWFKWKHVODYH
servo is moved to a set percentage of its range. An example of this is
AIRBRAKE
PRYLQJÀDSVÀDSHURQVDQGHOHYDWRUDOO
WRDVHWSRVLWLRQDWWKHÀLSRIDVZLWFK
Curve: Curve mixes are mostly used in helicopters, but may also be used in airplanes and gliders. An example is
THROTTLE-NEEDLE
PL[LQJ ZKHUHWKH LQIOLJKWQHHGOH¶V VHUYR LV PRYHGFKDQJLQJ WKHPL[WXUH DVWKH WKURWWOH VHUYR LV
moved. (see p. 62.)
'HOD\'HOD\PL[HVDUHSDUWRIDIHZYHU\VSHFLDOIXQFWLRQVWKDWPDNHWKHVHUYRPRYHWRLWVGHVLUHGUDQJHPRUHVORZO\
THROTTLE DELAY
(simulates turbine engines, p. 63) and the elevator delay in
AIRBRAKE
are two examples of this (see p. 61).
DELAY
in
HELI
(see p. 84) is another example that slows the servo movement to the trim settings for the other conditions.
(VVHQWLDOO\HYHU\IHDWXUHLQWKHUDGLR¶VSURJUDPPLQJLVUHDOO\DPL[ZLWKDOODVVLJQPHQWVSURJUDPPLQJVHWXSDQGUHDG\
to use. Additionally, the 8J
ACRO
SURJUDPVERWKSURYLGHOLQHDUDQGFXUYHIXOO\SURJUDPPDEOHPL[HV
HELI
provides 4
OLQHDUDQGFXUYHWKDWDOORZ\RXWRVHWXSVSHFLDOPL[HVWRUHVROYHÀLJKWGLI¿FXOWLHVDFWLYDWHDGGLWLRQDOIXQFWLRQVHWF
/HW¶VORRNTXLFNO\DWDIHZH[DPSOHVWKDWDUHIHDWXUHVZH¶YHDOUHDG\FRYHUHG7KLVPD\KHOSWRFODULI\WKHPL[W\SHVDQG
the importance of mixes.
$GGLWLRQDOH[DPSOHV
([SRQHQWLDOLVDSUHSURJUDPPHGFXUYHPL[WKDWPDNHVWKHVHUYRVUHVSRQVHPRUHRUOHVVVHQVLWLYHDURXQGFHQWHU
VWLFNZRUNVLQFRQMXQFWLRQZLWKGXDOUDWHDOLQHDUPL[WKDWDGMXVWVWKHWRWDOUDQJHVHH
D/R
,
EXP
, p. 39.

IDLE-DOWN
and
THR-CUT
are two
OFFSET
SUHSURJUDPPHGPL[HV7KHVHWHOOWKHWKURWWOHVHUYRZKHQEHORZDFHUWDLQSRLQW
to move toward idle an additional set percentage to help close the carburetor.

ELE-TO-FLAP
PL[LQJ LV D SUHSURJUDPPHG OLQHDU PL[ WR PRYH WKH ÀDSV SURSRUWLRQDOO\ WR HOHYDWRU FRQWURO KHOSLQJ WKH
model loop even tighter than it can on elevator alone. (see p. 59.)

THROTTLE-NEEDLE
PL[LQJLVDFXUYHPL[OLNH
PROG.MIX 5
to
6
IRUSURSHULQÀLJKWQHHGOHVHWXSVHHS

THROTTLE DE
LAY
PL[LQJLVDSUHSURJUDPPHGGHOD\PL[WKDWVORZVGRZQWKHUHVSRQVHRIWKH&+VHUYRVHHS
1H[W ZHOO JHW DQ LQGHSWK ORRN DW VRPH SUHSURJUDPPHG PL[HV PL[HV ZKRVH FKDQQHOV DUH SUHGH¿QHG E\ )XWDED IRU
VLPSOLFLW\DQGODVWORRNDWWKHIXOO\SURJUDPPDEOHPL[W\SHV

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