When you are already at the end of are advanced with the construction of a homecockpit and you have all different parts that are very realistic such as the MIP, CDU and the Yoke, then it is also a bit normal that you are in the same line should work. Saitek Pro Flight Throttle would not be here at his place ...

What is a TQ ? The throttle quadrant is a collection of secondary flight controls such as air/fuel mixture, carburetor heat, propeller pitch, flaps, thrust reverse, speedbrake, and of course not forgetting the throttles (throttles).

How the configuration is of a TQ depends on what vliegtuigmodel it is used. In commercial airline equipment (airliners), the TQ is between the CDU and the avionics pedestal. The control is done via levers with buttons that have been programmed for additional functions.





There are several companies that B737 TQ's on the market such as Cockpitsonic, Simparts, the FSC and the Revolution-Simproducts. All these TQ's I have from closer view during FSWeekend in Lelystad, the netherlands. The only TQ that stood out crossed was that of Revolution-Simproducts :

  • Beautifully finished and realistic;
  • Different versions (Non-Motorized, Low Budget, Standard and ProLine);
  • Handles in metal instead of plastic;
  • DC motors instead of servo motors;
  • Compatible with ProSim737, Project Magenta, Flight Deck Software, SimAvionics and not to forget the PMDG;
  • Extensive possibilities and options;
  • Favorable prices;
  • Possibility to close a deal;
  • FSWeekend discount;
  • No shipping charges (delivery Lelystad, the netherlands);
  • Positive criticism from the customers.



  • Fully motorized throttle levers
  • Fully motorized Speed brake liver
  • Fully motorized trim wheels
  • Fully motorized trim indicators
  • Full functioning flap liver
  • Programmed STAB TRIM and AUTOPILOT cutout switches
  • Independent trust reversers
  • Back lighted panels
  • Back light adapter (option)
  • Lightweight design
  • Programmed based on the real airplane operations
  • Availability to control thrust levers when A/T armed
  • Independent A/T disengage buttons on thrust levers
  • Independent TO/GA buttons on thrust levers
  • Aluminum Handles
  • Machined aluminium Skirt Detente plate with gates
  • Included software


This TQ has the qualities to the performance, functions and behaviors as the real Boeing 737 Throttle Quadrant as accurately as possible to match .

In "Auto Flight" the moving ‘Throttle Levers’ controlled by the data from the Flight Management Computer (FMC). The Trim Wheels‘ rotate in the correct direction via the FMC and also by inputs via the Yoke Trim Switches during a manual flight. Also the Trim Indicators work.

Furthermore, this TQ during the landing, the possibility to ‘Auto Deploy’ to do the speedbrakes (spoilers) and this from the ‘Armed Position’ or even ‘Down & Locked ' Detente’ when the crew forget to ‘Poor’ during the approach.

The speedbrake during flight, even locked in the ‘Flight Detente’position, besides, it is impossible for this than in the ‘Fully Up’position.

The ‘Reverse Trust’-levers are locked during the flight and can only take action if the throttles in the Idle position after landing.

After the landing has this TQ the possibility of a ‘A/T Disconnect & TOGA– command and about to go to the ‘Manual Trim inputs via the ‘STAB Trim’ switches.

What opportunities has this standard version does not ? No car-moving Parking Brake, no real Speed Brake Arming, the absence of the Flap Security Gauge. These extras are to be found in the ProLine version.


The TQ is associated with the PMDG (or your aircraft/avionics suite) via SIOC (this is a software of OpenCockpits). This for the data exchange which is necessary for the auto-functions of the TQ through the DC motor(s). Here one can observe that one no use of servo-motors, and therefore, no chance exists that the TQ to damage the movement of the levers during the operation of the engines.

The necessary setup instructions and script for SIOC is provided by Revolution-Simproducts.

The various button functions are generated through a special designed joystickcontrollerkaart (by Leo Bodnar) and the use of FSUIPC. The SIOC software can be managed via a network and WideFS.




The Standard TQ has 4 connections :

  • 1 Power Adapter (provides the TQ of 12V-power);
  • 1 USB connector for the controller of the DC Motor;
  • 1 USB connector for the joystickcontrollerkaart (BU0836);
  • 1 Power Adapter for the backlighting (12V).





With the manual next to it, and the help of Revolution-Simproducts is the configuration, programming and adjusting of the Throttle Quadrant are quite simple.

On our side is just what knowledge is required of the use of FSUIPC and the Revolution-Simproducts provides for the adjustment of SIOC.

This configuration and the adjustment of the TQ can be organized in 4 steps :

  • Adjustment SIOC;
  • Programming of the buttons, switches and axes (start levers via FSUIPC;
  • Calibration of the axes Thrust Reverser 1 and the Thrust Reverser 2;
  • Calibration and adjusting of the axles that are under the control of the DC Motor by Revolution-Simproducts (throttle liver 1 and 2, trim wheels and indicators, speed brakes, flaps).


Adjustment SIOC

As I've already mentioned, it is SIOC a software program that serves to all kinds of cockpithardware to send. This management is done by the transfer (loading) of a SIOC-script.

For the control of this TQ we have a personal SIOC-script. This script is provided by Revolution Simproducts and also depends on what plane or flightdecksoftware be used (PMDG, Project Magenta, Flight Deck Software, Sim Avionics). There is something for everyone ...

This adjustment in SIOC you can easily do it yourself. Several lines attach in the SIOC ini with the correct name of the script and the correct IDX and Device No. of the connected USB DC Motor controller after the connection reading in SIOC).

A version of SIOC can be downloaded from the Revolution Simproducts website or on the website of OpenCockpits.


Programming of the buttons, switches and axes (Reversers) via FSUIPC

All buttons, switches and axes (Reversers) are programmed (assigning) via FSUIPC. The different key combinations are depending on what is in the PMDG/737NG-Keyboard Assignment has (see PMDG menu in FS).

  • TO/GA (via Buttons + Switches Page : Shift+Tab+M);
  • A/T Disconnect (via Buttons + Switches Page : Shift+R);
  • Parking Brake (via Buttons + Switches Page: Offset Byte Set 0BC8);
  • Idle/Cutoff Liver 1 and 2 (via Buttons + Switches : Offset Byte Set of 3590 and 3594);
  • Reverser 1 and 2 (via the Axis Assignment Page : Reverser 1 and Reverser 2);


Calibration of the axes Thrust Reverser 1 and the Thrust Reverser 2

The calibration is done via the Joystick Calibration Page’ and scroll to the page of the ‘Reversers’. Since the separate reversers, we need the "No Reverse Zone" box?

The calibration happens as the calibration run with a Saitek-throttle.


Calibration and adjusting of the axes DC Motor

  • Throttle Liver 1 and 2
  • Trim Wheels
  • Trim Indicators
  • Speed Brakes
  • Flaps

This calibration and afregelingen for the axes controlled by the DCMotor and is carried out remotely by someone from Revolution-Simproducts (Oral Barkay).

This happens with Skype and Crossloop. Skype is, as everyone knows, our online phone and Crossloop is a freeware program to remotely another computer to take over.

Changes need to happen in the Sioc ini and Sioc-PMDG script, or PROSIM737-script. The screen, and the conscious files are overnomen, adjusted and tested. I just need to pass it via Skype what happens to the TQ during the aftuning. Of course this happens in a test flight.

This calibration and aftuning lasted +- 1½Hr.

The IVAO-flight that I a day afterwards ran went smoothly, ...
This flight was a test run in a desktop setup with no cockpit.

And not to forget : Thanks to the Revolution Simproducts Team (Oral Barkay) for the excellent service !








*** Download Manual Revolution Simproducts TQ – Version PMDG ***




Between the TQ and the CDU-stand there is an opening since the TQ is not 100% connect with the CDU bay. This beautiful seal I have on both sides of a MDF panel (6mm) placed ruimsschoots under the trimwielen, so do not bother.

I have simultaneously taken the opportunity to be on the sidepanels checklisthouders. So 2 boxes in which your documentation can put. In the ‘real’ are also provided and have +- the same size.


To the front and rear of the TQ I have a pair of slats (bars) stuck with double sided plaktape, and to which the sidepanels are screwed. These bars can if necessary subsequently be removed. I've done this to, not the sidepanels directly in the TQ to screw, and so as not to damage the inside.

This sidepanels and checklisthouders I have the same colour as the CDU-state and avionics pedestal (RAL 9002).


For cockpitbouwers that later an ‘Aural Warning Module (AWM) want to place against the wall of the CDU-bay, one must take into account that the distance between the checklisthouder and the CDU-bay minimum 80 mm ! The AWM thickness is 75 mm.
D. w.z. that during the installation of the checklisthouder this should be moved to the rear so that between the CDU bay and checklisthouder sufficient space is left ! (see


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