REFLECTOR: Gear warning horn

Scott Derrick scott at tnstaafl.net
Thu Sep 9 21:42:06 CDT 2004


The only thing that will keep you from doing a non-intentional gear up is 
following your checklist(s) every time.

About a hundred pilots land gear up every year and 99% of them with the 
damn gear up horn blaring away!

Scott

At 06:17 AM 9/9/2004, you wrote:
> > Scott Derrick wrote...
> > you gonna have the throttle near closed in 99% of the
> > cases when on final.
>
>Scott,
>
>It's that last 1% of the time that will get you.  That's why I considering
>installing a ground proximity sensor with a voice warning.  It's supposed to
>trigger at about 200 ft AGL.  Here's a link...
>http://www.flyingsafer.com/2037.htm
>
>Darrell Kufalk
>
>
>
>
>----- Original Message -----
>From: "Scott Derrick" <scott at tnstaafl.net>
>To: "Velocity Aircraft Owners and Builders list" <reflector at tvbf.org>
>Sent: Wednesday, September 08, 2004 9:56 PM
>Subject: Re: REFLECTOR: Gear warning horn
>
>
> > Al,
> >
> > I don't understand your reluctance to putting the gear up warning mico
> > switch on your throttle?  Whether your air cooled , water cooled or use
> > dylithium crystles,  you gonna have the throttle near closed in 99% of the
> > cases when on final.
> >
> > My up&locked nose gear micro is triggered by the gear door actuator.  If
> > the nose doors are up, the nose gear has to be?.
> >
> > Scott
> >
> > At 04:45 PM 9/8/2004, you wrote:
> > >The normal approach for wiring the gear warning horn is a low throttle
> > >position switch.  Having a liquid cooled engine, I think I may be less
> > >reluctant than otherwise to pull the throttle all the way back for
>slowing
> > >and descending when I have no intention of landing; and having the
> > >annoyance of having to reset the gear horn.
> > >
> > >I have an 'airspeed switch' to prevent gear up while on the ground; so
>I'm
> > >thinking of using a double throw relay circuit that activates the warning
> > >horn at the speed the air speed switch opens.  Then set that for a tad
> > >above final approach speed; and horn sounds if gear is not down.
> > >
> > >Is this re-invention of the wheel, or maybe not a good idea; or trading
> > >one set of annoyances for another.
> > >
> > >And while I'm at it; what's a good location for "Up and Locked" switch on
> > >the nose gear?
> > >
> > >Al
> > >
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> >
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> >
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"Those who sacrifice freedom to get security, deserve neither."
- Benjamin Franklin



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