Identify the manufacturer of this mixture knob

Discussion in 'Maintenance Bay' started by yhuubert, Jul 13, 2017.

  1. yhuubert

    yhuubert Pre-Flight

    Joined:
    Mar 28, 2014
    Messages:
    78
    Location:
    Tallinn, Estonia
    Display Name:

    Display name:
    yhuubert
    Can you help identify the manufacturer (or exact part no) of this mixture knob:

    [​IMG]
     
  2. Clip4

    Clip4 Pattern Altitude

    Joined:
    Jun 27, 2013
    Messages:
    1,867
    Location:
    A Rubber Room
    Display Name:

    Display name:
    Cli4ord
    What is it out of?
     
  3. Timbeck2

    Timbeck2 En-Route

    Joined:
    Nov 4, 2015
    Messages:
    2,699
    Location:
    Vail, Arizona
    Display Name:

    Display name:
    Timbeck2
    If its out of an old Piper it could be anyone from Studebaker to Volkswagon. :dunno:
     
  4. NoHeat

    NoHeat En-Route PoA Supporter

    Joined:
    Jul 27, 2009
    Messages:
    2,984
    Location:
    Iowa City, IA
    Display Name:

    Display name:
    17
    Do you need a replacement only for the black plastic bit at the end of the shaft?

    Probably anything that fits the same screw will work. A machine shop with a 3D printer could make one to fit the screw.
     
  5. yhuubert

    yhuubert Pre-Flight

    Joined:
    Mar 28, 2014
    Messages:
    78
    Location:
    Tallinn, Estonia
    Display Name:

    Display name:
    yhuubert
    Somehow I can't open it up :) The screw just keeps turning around, both when I keep the plastic in place or when that turns also. It's on my Pitts S2, which originally has one without the fine-tuning, which I'd like to keep.

    The reason for replacement is that the push-button does not disengage the lock, so currently I can only fine-tune it by turning the knob, which takes ages.

    Any recommendations for similar turn + push-button mixture controls, which are good? I assume they are all sold together with cable?
     
  6. JOhnH

    JOhnH Final Approach

    Joined:
    May 20, 2009
    Messages:
    9,660
    Location:
    Florida
    Display Name:

    Display name:
    Spun Out
    I heard of a titanium door assembly washer that Beech wanted $900 for. They probably need to sell two or three of these every decade, so they don't keep them in stock.

    Will we ever be able to make parts like that using a 3d printer, or are 3d printers limited to softer materials, like plastic or nylon?
    Surely, a mixture knob could be "printed".