Futaba 8J User Manual

Page 59

Advertising
background image

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 PDVWHU¶V 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 LQIOLJKW 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 DVVLJQPHQWVSURJUDPPLQJ 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 SUHSURJUDPPHG 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 SUHSURJUDPPHG 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 LQÀLJKW QHHGOH VHWXS VHH S 
‡ THROTTLE DELAY PL[LQJ LV D SUHSURJUDPPHG GHOD\ PL[ WKDW VORZV GRZQ WKH UHVSRQVH RI WKH &+ VHUYR VHH S 

1H[W ZH OO JHW DQ LQGHSWK ORRN DW VRPH SUHSURJUDPPHG PL[HV

PL[HV ZKRVH FKDQQHOV DUH SUHGH¿QHG E\ )XWDED IRU

VLPSOLFLW\  DQG ODVW ORRN DW WKH IXOO\SURJUDPPDEOH PL[ W\SHV

Advertising