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FUTABA 18SZ Instructions Manual
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FUTABA 18SZ Instructions Manual

FUTABA 18SZ Instructions Manual

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FUTABA – F5J
SA = Motor On/Off
This switch arms the motor.
SB = Motor speed: High – Mid – Low
This switch selects between 3 different motor speeds.
LS = Variable thermal setting in condition Thermal
Adjustable thermal setting.
SH = Thermal setting (not variable) in condition Thermal 2 (non-returning switch)
A fixed thermal setting.
SC = Select Condition: Distance <–> Cruise <-> Thermal
Select Flight Condition.
*)
SF = Motor speed: Turbo
(spring-loading returning switch)
Turbo is for max motor speed.
*)
Optional
(I have changed the physical position between SF and SH switches, see last page.)
18SZ models link:
Email: magnus@maghed.se
[december - 2023]
X-Tail and V-Tail
Latest version:
Link
Magnus Hedlund
Page 1

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Summary of Contents for FUTABA 18SZ

  • Page 1 SF = Motor speed: Turbo (spring-loading returning switch) Turbo is for max motor speed. Optional (I have changed the physical position between SF and SH switches, see last page.) 18SZ models link: Email: magnus@maghed.se [december - 2023] X-Tail and V-Tail Latest version:...
  • Page 2 When Group = ‘Sngl’ the selected flight condition will have it’s own separate mix settings. 16sz, 18sz: When settings for the mix is ‘Gr’ all flight conditions have the same mix settings. 18mz, 32mz: When settings for the mix is ‘Gr’, only selected flight conditions have the same mix settings.

  • Page 3: Basic Setup

    First, select the model type: LINKAGE – MODEL TYPE When, if later on, changing model type all settings will be lost. BASIC: SETUP ‘GLIDER’ LINKAGE – FUNCTION (Channel output, control, trim) Output Control Trim Info 1: ELEVATOR J2 Elevator (alt. V-Tail) 2: RUDDER Rudder (alt.
  • Page 4 LINKAGE – TRIM SETTING (18mz, 32mz: Needs to be set individually for all flight conditions) Mode = Separ (Elevator trim (T2) is separated for all flight conditions) T1, T4, T3: Mode = Comb (Other trims (T1, T4, T3) are the same for all flight conditions) T1-T4: Step = (default 4) T5-T6: Step =...
  • Page 5 GLIDER – BUTTERFLY (Brake) GROUP = ‘Grp’ Menu 1: (Start with common settings) STATUS = INH (Set INH in flight conditions for no Butterfly Then set flight condition = ‘LANDING’ GROUP = ‘Sngl’ (Only for flight condition ‘LANDING’) (Set ON in-flight condition ‘LANDING’) STATUS = ON (Set pos for Brake stick J3 activates ‘LANDING’) OFFSET = 8...

  • Page 6: New Model

    SETTINGS: NEW MODEL Set all neutral positions in LINKAGE – SUB TRIM Elevator, Rudder, Aileron Set flap neutral position in GLIDER – FLAP SETTING OFFSET-value (Brake stick = no brake, i.e. up) Adjust elevator up/down in LINKAGE – END POINT Travel …...
  • Page 7 HOW-TO: VARIABEL NEUTRAL POSITION FOR FLIGHT CONDITION ‘THERMAL’ LS control the variable position. Check that LS is active: Linkage - Function: CH 16 “CAMBER LS” To set the function, go to Glider - Camber mixing In flight condition = ‘THERMAL’. GROUP = ‘Sngl’, (Only in ‘THERMAL’) STATUS = ON...

  • Page 8: Motor Control

    HOW-TO: MOTOR CONTROL (using 1000 to 2000 us) Switch SA (= 3 pos switch) arms the motor control. SA = “up” or “middle” = motor off. SA = “down” = motor on: (Flight condition = ‘MOTOR ON’) SB = “up” = high speed. SB = “middle”...
  • Page 9 HOW-TO: TURBO SPEED (Optional) Dual Rate is used for the Turbo speed function (Max motor speed) GLIDER – DUAL RATE Set flight condition = ‘MOTOR ON’ Status Function Switch (ON in-flight condition ‘MOTOR ON’) D/R 1 OFF/ON Motor (Switch = “SF”, On = down) GLIDER –...

  • Page 10: Additional Information

    ADDITIONAL INFORMATION Trim T5 as global elevator trim: instead) missing on 16SZ, use T3 Trim T2 is used ”as usual” for elevator trim, i.e. it sets elevator trim separate for every flight condition. Trim T5 is used, at the same time, and adjusts the elevator trim for all (wanted) flight conditions. This trim T5 is useful to set the elevator neutral position (when flying) for all flight conditions at the same time.
  • Page 11 ADDITIONAL INFORMATION Timer 1 for motor on: (Beeps when counting) Reset switch: SA – up = Reset timer Start switch: SA - down = Start timer Stop switch: SA – middle = Stop timer LINKAGE – TIMER (Timer 1) Alarm = 00:30, Elapsed, Buzzer, One time Mode = Up Reset switch, SA = On, Off, Off Start switch, SA = Off, Off, On...
  • Page 12 ADDITIONAL INFORMATION Reduced rate for Elevator: (when Motor = Turbo) GLIDER - DUAL RATE Set flight condition = ‘MOTOR ON’ SF (ON in-flight condition ‘MOTOR ON’) D/R 2 ON Elevator GLIDER – AFR (Elevator – Dual rate) D/R 2 in flight condition ‘MOTOR ON’: Set Rate A = Rate B = “reduced rate”...
  • Page 13 ADDITIONAL INFORMATION for MOTOR Control Settings for ESC (using 1000 to 2000 us) Do not set the ESC to ’Auto’, instead setup min and max PWM for the ESC. Example: Cut-off is < 1200 us and max speed is 2000 us, and the transmitter PWM range goes from 1000 us to 2000 us.
  • Page 14 YGE: BLHeli32 (Holybro): ’Endpoint Travel’ in transmitter: Futaba ‘End point Travel’: -124% +114% (1000 – 2000 us) Motor = Reverse LINKAGE – End point GLIDER – AFR - Motor Set Motor off = -100 (1000 us) [-124%] Set Motor on = at least -70 (>...
  • Page 15 How to change switches on Futaba 18sz: https://www.rcgroups.com/forums/ I have changed between SH and SF, i.e. I want the spring-loaded switch positioned on the left side. Due to the switch PCB:s being designed for upper left or right side, I had to remove the two switches from the PCB, and then re-solder them to the new positions.