VE3LVO(at)rac.ca
Guest
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 Posted: Thu Dec 07, 2006 7:32 am Post subject: Landing Radar....! |
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Well, no, it isn't, BUT it works the same way.......
The basis is a back-up sensor which warns you when backing, that you are
approaching ( a pre-set distance from) a reflected object with a 'beep'.
Mine works with 42 kHz out and 24kHz in, I think. (sub-audible frequencies).
These are common in the auto shops now. I revised mine (according to a great
friend and mentor, Graham Clark) to give a sliding tone (in the earphones)
from a high at 5 feet to a low at 5 inches. This I believe will be most
useful over smooth ground (of course) for monowheel or conventional
tailwheel drivers, airframe. Trigear drivers just have to feel their way
down.
However I am told that the newer versions of the 'backup' sensor now
incorporate this feature. The Lockheed TriStar carried a descent radar which
produced a 'pip' of increasing frequency from 250' AGL to 50' then stopped,
just as it got interesting......
With all these solid state devises, I'm getting close to a 1/7 scale
L-1011........!
Ferg Kyle
Europa A064 914 Classic
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