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Thread: STEC Autopilots

  1. #1
    Guest
    Guest

    STEC Autopilots

    Hi everyone:

    I need some info/advice. I currently have a century IIB autopilot installed in my 79' Sierra and I am thinking of upgrading to an STEC system. I can get a used 30, 50, 55 (not X), or a 60-2. All but the 60-2 come yellow tagged and come with the required components for my particular aircraft. The 60-2 is out of a SX 300 (whatever that is?). The owner of the 60-2 said that he believes that all of the components are interchangeable with other aircraft, the only thing I would need is the proper brackets for the servos(trim and pitch). Does anyone in the group have any experience with these systems? Any help/advise would be greatly appreciated. Thanks

    J. Clute


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  2. #2

    STEC Autopilots

    >The 60-2 is out of a SX 300 (whatever that is?).

    Swearingen homebuilt from the 80's. 300 hp, 2 place that aimed for 300
    mph, but didn't make it. About 50 were built. A few crashed. Pretty hot
    stuff.

    http://www.sx300group.org/

    >The owner of the 60-2 said that he believes that all of the components are
    >interchangeable with other aircraft, the only thing I would need is the
    >proper brackets for the servos(trim and pitch).

    To mount the roll and pitch servos, he is probably correct. But there can
    be electronic differences and even servo speed and gear ratio
    differences. Better to talk with S-Tec and find out the exact part numbers
    for the servos and the control head. Also better ask about the cost of the
    brackets and the cost of the required STC. You may be SHOCKED to find out
    how much they want for the brackets and the paperwork.

    Bob Steward, A&P IA
    Birmingham, AL



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  3. #3
    Guest

    Re: STEC Autopilots

    Quote Originally Posted by Guest
    Hi everyone:

    I need some info/advice. I currently have a century IIB autopilot installed in my 79' Sierra and I am thinking of upgrading to an STEC system. I can get a used 30, 50, 55 (not X), or a 60-2. All but the 60-2 come yellow tagged and come with the required components for my particular aircraft. The 60-2 is out of a SX 300 (whatever that is?). The owner of the 60-2 said that he believes that all of the components are interchangeable with other aircraft, the only thing I would need is the proper brackets for the servos(trim and pitch). Does anyone in the group have any experience with these systems? Any help/advise would be greatly appreciated. Thanks

    J. Clute

    J. Clute,

    A couple of months ago I installed a new STec 30 with alt hold and GPS steering in my new to me 1979 Sierra. It tracks like an arrow and holds altitude without a miss, in fact I need to pull the breaker since I am getting lazy and need to get back into the groove for my instrument rating.

    Gary Drussel
    6011J C 24R



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  4. #4

    STEC Autopilots

    I installed a new STEC 30 in my Sierra about three years ago. I
    replaced a Century One that was notning but trouble. I also installed
    Altitude Hold and GPS Steering options. The system worked flawlessly
    until about a month ago when it started acting like a roller coaster in
    altitude hold. Servo and sensor sent out to STEC, replaced Servo and
    exchanged altitude sensor. $950. Everything reinstalled works great.

    Unless there is a substantial savings over new repairs can be expensive.
    Also by buying and installing a new one you eliminate the finger
    pointing, if you have a problem



    Bob Palamara

    72 Siera 9707L




    --- In musketeermail@yahoogroups.com, Jack Clute <sierra79us@...> wrote:
    >
    > Hi everyone:
    >
    > I need some info/advice. I currently have a century IIB autopilot
    installed in my 79' Sierra and I am thinking of upgrading to an STEC
    system. I can get a used 30, 50, 55 (not X), or a 60-2. All but the 60-2
    come yellow tagged and come with the required components for my
    particular aircraft. The 60-2 is out of a SX 300 (whatever that is?).
    The owner of the 60-2 said that he believes that all of the components
    are interchangeable with other aircraft, the only thing I would need is
    the proper brackets for the servos(trim and pitch). Does anyone in the
    group have any experience with these systems? Any help/advise would be
    greatly appreciated. Thanks
    >
    > J. Clute
    >
    >
    > ---------------------------------
    > Do you Yahoo!?
    > Get on board. You're invited to try the new Yahoo! Mail.
    >
    > [Non-text portions of this message have been removed]
    >




    [Non-text portions of this message have been removed]



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