Hi Clive, My stall warner switch has worked reliably for about 15 years, so my memory of an initial problem is vague. But your "it is closed/the horn sounds once the a/c is back on the ground/at zero
Thanks to all for your contributions As Bud has illuminated on, at 3" of water, the operating pressure is very low so the adjustment is very fiddly/has a very small range between success and on all t
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 p
It's normally open, and activated when sufficient vacuum is applied. Regards Roddy kesterton g-ikrk Sent from my iPhone but not yet used in anger. Cessna stall warner, caused by the angle of the wing
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 but not yet used in anger. Cessna stall warner, caused b
Thanks Roddy and Ian So, normally open contacts, closed / operated by the vacuum caused by the wing angle and therefore light and buzzer should be off on the ground. Makes sense. Does anybody with th
Kelvin, The switch is a pressure switch. With the relative wind nearly straight on the air into the tube is under suction. The switch is assembled to the ho se to the leading edge using its pressure
Bud, Not very often I disagree with you, but the stall warning switch does not work as you describe. Under normal flight the switch senses +VE pressu re (connecting an ASI up to the stall system) bot
Hi Bud I think I might have to go with Ian on this one. The Europa Mod 61 leaflet does state: Inside the fuselage an adjustable vacuum switch, triggered by reduced pressure in the line It also descri
A thousand apologies. Writing late at night to get a quick answer is not g ood . It is a vacuum hookup in the Europa Mod 61, and normally open. Once you go past the angle, you get suction and the int