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Aero Siam
Joined: 30 Jan 2006
Posts: 16
Location: Thailand
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 Posted: Fri Nov 15, 2019 4:32 am Post subject: Stall warning system |
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Hi all
Can anyone help with the pneumatic stall sensor connections ? If I suck on the orange hose, the buzzer sounds. I presume this end is connected to the hose that runs to the leading edge and that the other side is connected to the static system. Is that correct ?
Also I saw there were posts in the past about the adjustment knob on the left bottom of the ASI. Does anyone know how this operates?
Regards
Paul
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aerosiam
Joined: 26 May 2008
Posts: 59
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| Posted: Tue Dec 17, 2019 3:42 am Post subject: Re: Stall warning system |
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I think I have the answer to this.
It's an MPL 503 pressure switch
https://www.aircraftspruce.com/catalog/inpages/mpl500series-ps.php
The V-vacuum side connects to the port in the leading edge and the pressure side to the static system
It tests correctly on the ground with slight suction on the port
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