>If I recall correctly the Huey had a engine compartment fire warning system >that was simply a wire that would ground if the insulation was melted off >of it then activate a light in the cockpit. Simple and reliable.
The Huey (and SH-3/S-61, among others) fire element was a thin aluminum (@ 1/16") tube with a wire in the center which was held away from the inside wall of the tube by some kind of low melting point salt crystal. When the salt melted at high temp. (or when some Marine stepped on it with his size 16 boondockers) the two wires would ground out and you would get a light in the cockpit. Unfortunately, the controller ran on 26 volts AC. >When I returned home I got my Kit Plane magazine out of the mail there was >an article on that same >airplane. Are you sure it was Kitplane? I've just run a page-flip search from Oct. 04 to present (June 05) with no hits. The fire bottle plumbed to the engine area sounds like a very good idea though. Allen G. Wiesner KR-2SS/TD S/N 1118 65 Franklin Street Ansonia, CT 06401-1240 (203) 732-0508 [email protected]
