Europa-List Digest Archive

Fri 06/23/17


Total Messages Posted: 1



Today's Message Index:
----------------------
 
     1. 02:01 PM - Re: Re: Stall Warner - switch problems (Ian Cook)
 
 
 


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    Time: 02:01:03 PM PST US
    From: Ian Cook <iancook_1@hotmail.com>
    Subject: Re: Stall Warner - switch problems
    Kelv, If you go onto the Radio Spares web page and search. Pt No. 317-443 there is a full tech description. Regards Ian Cook Sent from my iPad > On 20 Jun 2017, at 22:03, Kelvin Weston <kelv@kdweston.biz> wrote: > > > Hi Bud and all > > Now I am really confused. I have fitted the Europa stall warning mod and switch but not yet used in anger. > > How is this switch designed to work? > > Is it normally closed and held open by pressure above a certain speed. > Or is it normally open and is closed by low pressure (vacuum), like a conventional Cessna stall warner, caused by the angle of the wing. > > The mod leaflet suggests it is operated by vacuum, but your description of it being on until above a certain speed suggests the first option. > The switch has a hose connection to both sides of what I assume is a diaphragm, so it is easy to connect incorrectly. > > If it is normally closed then does that result in the buzzer operating continually on the ground until above the stall speed? > I think that would eventually get to be a bit of a pain, especially during long holds on the ground. > > > Regards > > Kelv Weston > Kit 497 > kelv@kdweston.biz > > > > > Read this topic online here: > > http://forums.matronics.com/viewtopic.php?p=470288#470288 > > > > > > > > >




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