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  1. #1
    75+ Posting Member freddehboy's Avatar
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    Question Throttle parts - Motorized by servos

    Hi

    I am almost finished to sort out what I need in electronic and other stuff, see bellow:

    1
    I need a main board which buttons, switches and sliders ect. etc.:
    http://www.phidgets.com/products.php?product_id=1018

    2
    I am think that a cold unit is far better than warm so the throttle and spoiler willl be controlled by servos:
    http://www.phidgets.com/products.php?product_id=3200

    a
    Is there a better concept than servos if you are considering the temperature and the noise from the unit?

    b
    How about DC Motors if you compare with servo?

    c
    I have seen that the servo has a potentiometer ?


    3
    I have understood that the servos must be controlled by a card:
    http://www.phidgets.com/products.php?product_id=1061

    4
    I am needing something to feel where the ex. throttle is, like a slider:
    http://www.phidgets.com/products.php?product_id=1112

    handle / Switches and Buttons at:
    http://www.simparts.de

    There is not so much to say more than that I need some of these type too

    I have seen: http://www.simparts.de/epages/154657...cts/737-TH-001

    Is the above a kit of these products:
    http://www.simparts.de/epages/154657...ts/737-TH-0001

    http://www.simparts.de/epages/154657...ts/737-TH-0002

    http://www.simparts.de/epages/154657...ts/737-TH-0004

    http://www.simparts.de/epages/154657...ts/737-TH-0005

    http://www.simparts.de/epages/154657...ts/737-TH-0006

    http://www.simparts.de/epages/154657...ts/737-TH-0007

    Is these stuff of good quality?

    I like you to comments these parts and tell if I have fogot something important!?

    Best Fredrik

  2. #2
    150+ Forum Groupie mrmaster's Avatar
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    Re: Throttle parts - Motorized by servos

    Hi, have you thought about Arduino as a controller/interface for the motors OR servos? it is MUCH cheaper requires a little bit of C++ knowledge but I can help you there (think about ARCOM_by_Marc customized version) http://x737cockpit.wordpress.com/arcom_by_mac/

    Marc
    "It is LEGEN... wait for it.... DARY" ARCOM_by_Marc

  3. #3
    75+ Posting Member freddehboy's Avatar
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    Re: Throttle parts - Motorized by servos

    Hi

    I take the hardware who is supporting my pmdg737ngx so I am not against other than phidget!

    Best Fredrik

  4. #4
    500+ This must be a daytime job
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    Re: Throttle parts - Motorized by servos

    The difference between servos and dc motors is

    Servos have their own positioning info via an internal pot whereas a dc motor needs a separate pot. However, if you want manual overide with a servo then you also need an external pot and most importantly a servo controller card that can be switched off via software so that you can move the servo by hand. If you cannot switch off the servo then it will always resist any manual force

    You cannot easily control the speed of the throttle levers with servos other than by gearing or software delays, if yourcontrol card supports this. Also, servos mostly move circa 180 degrees only and the throttle arc is circa 80deg, so some gearing is inevitable. With servos there is a danger that the geared movement with be "notchy" and not smooth.

    Dc motors with control cards are easier to gear and control the speed with the right control cards and sotware, however, for manual intervention you will need a "slip" clutch to disengage the drive and two pots.

    In my view dc motors give the most realistic performance, but have greater technical demands.

    "I take the hardware who is supporting my pmdg737ngx so I am not against other than phidget!"

    Currently, no hardware can fully access PMDGX internal controls/outputs, other than some people on this forum who have been able to write sections of code to link their MCP and FMC`s etc. Opencockpits are trying to develop a software interface for their cards/sioc programme - try searching this forum.

    If your hardware choice is going to be based on being able to support PMDGX, then I fear you may have a while to wait

  5. #5
    150+ Forum Groupie mrmaster's Avatar
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    Re: Throttle parts - Motorized by servos

    I agree on the part about the DC motors, I saw many videos on youtube and as I am also planning to build one my own, I settled on using DC motors.

    If you use Prosim737 it would be very easy to control the Arduino.

    All the best,
    Marc
    "It is LEGEN... wait for it.... DARY" ARCOM_by_Marc

  6. #6
    75+ Posting Member freddehboy's Avatar
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    Re: Throttle parts - Motorized by servos

    Hi

    Tanks for your quick answer

    Quote Originally Posted by fordgt40 View Post
    The difference between servos and dc motors is
    Servos have their own positioning info via an internal pot whereas a dc motor needs a separate pot. However, if you want manual overide with a servo then you also need an external pot and most importantly a servo controller card that can be switched off via software so that you can move the servo by hand. If you cannot switch off the servo then it will always resist any manual force
    The products for servo controlled throttle;
    http://www.phidgets.com/products.php?product_id=3200
    http://www.phidgets.com/products.php?product_id=1061

    Question:
    1
    Can the above servo be connected to another servo card?

    2
    Can I use the servo with ex. Opencockpits servo card? I think was the answered is!


    Quote Originally Posted by fordgt40 View Post
    You cannot easily control the speed of the throttle levers with servos other than by gearing or software delays, if yourcontrol card supports this. Also, servos mostly move circa 180 degrees only and the throttle arc is circa 80deg, so some gearing is inevitable. With servos there is a danger that the geared movement with be "notchy" and not smooth.
    3
    Do you mean that the movement won´t be smooth of the throttle and I need to tell the speed to the servo through my software?


    Quote Originally Posted by fordgt40 View Post
    Dc motors with control cards are easier to gear and control the speed with the right control cards and sotware, however, for manual you will need a "slip" clutch to disengage the drive and two pots.
    4
    I am not against DC motors but just the noice and temp of the motor but what about it?

    5
    ”slip" clutch to disengage the drive and two pots.” What is a ”cluth” look like?

    6
    Way 2 pot? I now what pot is but way two?


    Quote Originally Posted by fordgt40 View Post
    In my view dc motors give the most realistic performance, but have greater technical demands.
    7
    Is the demand so much bigger than with servos and will it be so much better than servo controll?

    Quote Originally Posted by fordgt40 View Post
    "I take the hardware who is supporting my pmdg737ngx so I am not against other than phidget!"

    Currently, no hardware can fully access PMDGX internal controls/outputs, other than some people on this forum who have been able to write sections of code to link their MCP and FMC`s etc. Opencockpits are trying to develop a software interface for their cards/sioc programme - try searching this forum.

    If your hardware choice is going to be based on being able to support PMDGX, then I fear you may

    have a while to wait
    Is opencockpit a good developer?

    Piople, who build cockpit, what are the useing in:
    Hardware developer
    FSX Aircraft
    Projekt magenta or prosim737

    Best Fredrik

  7. #7
    150+ Forum Groupie verticallimit's Avatar
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    Re: Throttle parts - Motorized by servos

    I use DC motors for my throttle.
    It workes fine for me in 2 years now.
    I use a very simple interfacing, i use relays for controling the motors.

    LINK see page 8

    The throttel lever have the original slip clutch between the motor and the handle.



    I use Open cockpit and have no problems.
    Last edited by verticallimit; 04-06-2012 at 09:39 AM. Reason: modify link
    Sincerely,

    Claus


  8. #8
    500+ This must be a daytime job
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    Re: Throttle parts - Motorized by servos

    Hi

    Based on your questions, you need to read and research more on this subject. You will not succeed on a simple question and answer session - you need to understand this subject better.

    I am not going to research your suggested hardware in detail, that is your job, however, the phidgets references seem ok. But, you also need to check out how they are programmed and are there inbuilt software routines to access FSUIPC offsets

    Opencockpits cards are fine, though I do not think that there is a native speed control for the servo. However, this can be emulated in software.

    With servos there is a risk that the gearing and movement may be "jerky". DC motors with proper gearing are not so at risk. There is no definitive answer to your question

    DC motor noise is subjective and depends on the view of the person listening

    A clutch operates the same way as in a manual car - it disengages the drive from the motor. Do a google search on polyclutch

    Sorry, I misled you about 2 pots - in either dc motor or servo option will will need one external pot

    Item 7, I had a symulatory throttle using servos and have now replaced them with dc motors. DC motors option is considerably more expensive - do the research

    David

  9. #9
    75+ Posting Member freddehboy's Avatar
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    Re: Throttle parts - Motorized by servos

    Hi

    I will go for the dc motor but before I must get a answered about the pmdg737ngx in what hardware I can use

    I have mail to all developer and ask it!

    If you choose phidget or some other developer there you need to program to interface the hardware with fsx. The simple question is, must I by mesel program a code for the hardware to work in fsx and mine specific aircraft?

    In that case its all depends on me if there will work or not. I can manage C++ because I have program in it for some years ago

    Best Fredrik

  10. #10
    150+ Forum Groupie Philb737's Avatar
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    Re: Throttle parts - Motorized by servos

    Fredrik,
    Check your PM!
    IF it's not Boeing I ain't going!!!!!!

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