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Bruce,
Are you referring to a Standard Cirrus or the Open version ? If it is a Standard, the force to open the airbrakes from locked position should be set at about 20 Kg (44 lb force). With this unlock requirement, I don't think just rubbing your arm along the lever would unlock the brakes. Cheers, John G. (Std Cirrus #672) "Bruce Greeff" wrote in message ... I'm so tight in my Cirrus I can inadvertently open the airbrakes by moving my left arm back. There is enough friction between my arm and the actuator to overcome the geometric lock. Quite exciting when you do that on your first single seater launch in a Cirrus on a winch... Uri Saovray wrote: Sure, but that doesn't take care of INADVERTENT opening of the spoilers. Examples: weak geometric lock + some turbulence; Dual-command + some confusion in the other seat; You can probably think of more examples... Uri Pete Zeugma wrote in message ... At 22:18 14 March 2004, Uri Saovray wrote: Speaking of simple warning devices: How about a simple hookup to a horn which is activated when the airbrakes are opened while the towhook is engaged (i.e. open spoilers during tow)? A microswitch on the airbrake levers would be the no-brainer part. What about the towhook? Magnetic sensor? where? How? Other ideas? how about the last 'B' in CB-SIFT-CB i've always found it to be a no-brainer personally, and its completely free! Usually accompanied by the guy who attaches the towrope/cable saying that phrase 'brakes closed and locked?' |
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