Charlie Peckham <charliepeck...@rocketmail.com> writes: > Hi, > I have my own noob question. I have hooked up my telemetrum to a > charged battery. It starts beeping. But when I hook up the apogee > and main terminals to 6 V light bulbs and put it into a vacuum chamber > nothing happens. The lights dont come on at all.
Those light bulbs probably don't respond quickly enough to produce any light. You can use an LED instead, which should work fine, as long as it's oriented correctly, which you can tell because it will glow very faintly whenever the power is turned on. > I have done this with other altimeters and it has worked fine. What > am I doing wrong ? Just using the wrong kind of bulb. -- -keith
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