BobsV35B(at)aol.com
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 Posted: Sat Jun 16, 2007 3:31 am Post subject: Battery Master On Warning |
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Good Morning Mickey,
Put a certified oil pressure actuated switch in parallel with the strobe light switch. Wire it so that the strobes go on any time the master is on and the oil pressure is non existent. That way, the strobes will be on as you leave the aircraft. The disadvantage is that your strobes will come on before you start the engine.
There could be some advantage to that happening as it will warn others that the engine is about to be started!
Some airlines make a practice of turning on their rotating beacons before engine start. A rotating beacon wired as suggested would also work as a memory jogger, but I like the idea of the strobe better!
On one of our glider tow planes, we have a warning whistle that has a time delay built into a small electronic circuit. It is actuated by the oil pressure switch, but the time delay keeps it from sounding during the engine start process. However, I am not convinced that the warning horn and it's electrical timer meet certification standards. Probably does and who really cares as long as it reminds our pilots to shut off the master!
Happy Skies,
Old Bob
AKA
Bob Siegfried
Ancient Aviator
Stearman N3977A
Brookeridge Air Park LL22
Downers Grove, IL 60516
630 985-8503
In a message dated 6/16/2007 5:40:59 A.M. Central Daylight Time, mick-matronics(at)rv8.ch writes:
| Quote: | Do you know of a decent solution for this problem for a certified aircraft?
Thanks,
Mickey (a.k.a the idiot)
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Mickey Coggins
http://www.rv8.ch/
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