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Single TCA Boeing Quadrant with Four Engines

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I have the Boeing TCA pack with one Throttle quadrant which works satisfactorily in P3d with two engine aircraft such as the PMDG 737/777 using the P3d axes for the throttles and FSUIPC to set max reverse thrust with the reverser toggles.

With lack of space for a second quadrant, for the PMDG 747-400, is there a way to assign the left throttle handle to engines 1&2 and the right throttle handle to engines 3&4?

From what I can see within P3d, each axis can only be assigned to one function at a time.

Any help appreciated.

Luke Spencer

From the FSUIPC User's Guide:


If you have twin throttle levers and you’d like to control left wing engines and right wing engines separately on
both 2 and 4-engined places, then make sure both throttles are operating correctly with twin planes then go to the
third page of the Joystick controls in FSUIPC, the one showing 4 throttles. Calibrate throttles 1 and 2 then check
the option “Map 1->12, 2->34”. This will do the job. The mapping only occurs when a 4-engined aircraft is loaded.
This facility also applies to the mixture and propeller pitch levers.

Bob Scott | President and CEO, AVSIM Inc
ATP Gulfstream II-III-IV-V

Sys1 (MSFS20+24/XPlane12+11): AMD 9800X3D, water 2x240mm, MSI MPG X670E Carbon, 64GB GSkill 6000/30, nVidia RTX4090FE
Alienware AW3821DW 38" 21:9 GSync, 2x4TB Crucial T705 PCIe5 + 2x2TB Samsung 990 SSD, EVGA 1000P2 PSU, 12.9" iPad Pro
Thrustmaster TCA Boeing Yoke, TCA Airbus Sidestick, Twin TCA Airbus Throttle quads, PFC Cirrus Pedals, Coolermaster HAF932 case

Sys2 (P3Dv5/v4): i9-13900KS, water 2x360mm, ASUS Z790 Hero, 32GB GSkill 7800MHz CAS36, ASUS RTX4090
Samsung 55" JS8500 4K TV@60Hz,
3x 2TB WD SN850X 1x 4TB Crucial P3 M.2 NVME SSD, EVGA 1600T2 PSU
Fiber link to Yamaha RX-V467 Home Theater Receiver, Polk/Klipsch 6" bookshelf speakers, Polk 12" subwoofer, 12.9" iPad Pro
PFC yoke/throttle quad/pedals with custom Hall sensor retrofit, Thermaltake View 71 case, Stream Deck XL button box

Sys3 (DCS/P3Dv4/ATS/ETS): AMD 7800X3D, MSI MPG X870E Carbon, Noctua NH-D15S, 64GB GSkill 6000/30, EVGA RTX3090
Alienware AW3420DW 34" 21:9 GSync, Corsair HX1000i PSU, 4TB Crucial T705 PCIe5 + 2TB Samsung 970Evo Plus,
TM TCA Officer Pack
, Saitek combat pedals, TM Warthog, TM RS300 FF wheel/pedals, Coolermaster HAF XB case

  • Author

Hi Bob

Thanks for the refresh on information re. FSUIPC, which I was aware of for four engines.

As mentioned above, I'm not actually using FSUIPC for the throttle axes themselves, only for the reversers. The reason for this is that I was unsuccessful trying to get it actually working.

I believe I understood basically what I was doing but the result (just with two engines) always seemed to be that throttles didn't move with the position of the levers and had a mind of their own. There seemed to be no logic at all, regardless of what settings I used, so I reverted back to P3d axes.

A couple of questions with this in mind:

1. Is there any way of achieving 'double' engine control without using FSUIPC?
2. If using FSUIPC, might anyone who has the Boeing quadrant working successfully have a screen shot of the relevant pages that I would need to program? Presumably if I can get this working for two engines, the process to extend it as per your message to four should be straightforward.

Thanks again for your help.

Luke Spencer

  • 1 year later...

Sorry for the necro but anything?
In fsuipc I set throttle 1 as 'throttle 1&2' and throttle 2 as 'throttle 3&4.' Nothing.

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