>I don't really know the right answer to this myself,but I seem to recall >from a crash investigation TV program I saw,that it was exactly the other >way around: Lit filaments tend to stretch rather than break. Cold filaments >tend to break. It kinda made sense to me, but I can also see arguments in >favor of what you said. Try it with your own droplight (no pun intended). With the bulb off, drop it a foot. Turn it on. It probably works. No drop it 6" with the bulb on. POOF! (I'm sure you can figure out why I recommended a droplight). Andy ================================================================== Andy Kunz Life is what we do to prepare for Eternity ------------------------------------------------------------------ andy@rc-hydros.com http://www.rc-hydros.com - Race Boats andy@montanadesign.com http://www.montanadesign.com - Electronics ==================================================================