Mailing List lml@lancaironline.net Message #54235
From: Terrence O'Neill <troneill@charter.net>
Sender: <marv@lancaironline.net>
Subject: Re: [LML] Airspeed sensing switch needed
Date: Mon, 18 Jan 2010 08:43:12 -0500
To: <lml@lancaironline.net>
Bill,
Lurking because I share this interest.
What are the pros and cons of a simple airspeed sensing switch that just interrupts the gear-up switch circuit until a selected airspeed ... i.e. about 90 knots?
Terrence
L235/320 N211AL

On Jan 16, 2010, at 7:28 AM, Bill Kennedy wrote:

I'm going to build the gear not down warning system suggested by Randy Stuart in an earlier email. I thought Aircraft Spruce had a airspeed sensing switch, but I couldn't find it in their catalog. Can any of you help me find a source for the pressure switch?

I've never had a close call with the gear in three plus thousand hours of retractable time, but I've always been a little uneasy with no warning system in my LNC2. I had hoped that I could talk Blue Mountain Avionics into building a warning system into their EFIS, but that didn't work out. Randy's system looks great to me and I'm eager to try it. I've attached Randy's drawing just in case others might want to revisit the idea.

Thanks -- Bill Kennedy
<Gear Warning 1.JPG>--
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