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I know this may be old hat to many of you but I just wanted to share my
latest joy here. For several years I have typically used either available AC outlets and extension cords or small 18aH batteries for all of my scoping needs. Of course a small battery precludes the use of a laptop and dew heater so I always felt limited somehow. I recently found 115aH deep cycle marine batteries on sale at Wal-Mart and decided to take the plunge. I built a power distribution box which houses my inverter, 12V outlet bar and LX200 AC-DC connverter. Put a V meter on it to keep track of the battery. Man does this thing kick butt! It's (the battery) massive and quite heavy but I shore do luv it! I tinkered around with it quite a bit this week in anticipation of the great skies and upcoming Astronomer Night at our local observing site. I hooked up the laptop, dew heater, scope and even GPS unit. Ran them all together for an hour or so while slewing around willy-nilly at a slew rate of 8. Afterwards I hooked the battery up to the automatic charger and in less than 20 minutes it was already full again. I had barely touched it with an hour of heavy use. Granted, the charger starts out with higher current and diminishes as the battery achieves charge, but still... I love this thing. I find myself sitting in the garage (or GA-rage short 'A' for your Brits) just looking at my setup. I absolutely cannot wait for tonight. Everyone will be quite intimidated to be sure. No one would dare challenge my supremacy on the field. Thanks for listening. -Al A. -- ~/.signature |
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Al Arduengo wrote:
Everyone will be quite intimidated to be sure. No one would dare challenge my supremacy on the field. How's your back ? ;- |
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Doh! How dare you mock me!!?? I will crush you with my mighty
Battery!! *actually, it is quite heavy :-O -Al Dan Wenz writes: Al Arduengo wrote: Everyone will be quite intimidated to be sure. No one would dare challenge my supremacy on the field. How's your back ? ;- -- ~/.signature |
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Fred Garvin wrote in message ...
On Sat, 18 Oct 2003 09:44:52 -0400, Al Arduengo wrote: I love this thing. I find myself sitting in the garage (or GA-rage short 'A' for your Brits) just looking at my setup. I absolutely cannot wait for tonight. Everyone will be quite intimidated to be sure. No one would dare challenge my supremacy on the field. Thanks for listening. -Al A. Good for you Al! Maybe you could daytime charge it with a solar panel too. Since you kindly mentioned Brits and our ga-raj-es: If you really want to impress the crowds: It should be good for a few mintues "grazing" the grass round your scope with one of those little robot lawnmowers (running on a flying power cord tether). Paint the lawnmower casing Meade dark blue and stick a big Meade logo on top. Or even a flag with Meade logo on a mock antenna. At a big public star party that might be a real "killer application". Just remember to fit red LEDs on it (and not white) for night use. ;-) Chris.B (I know. I'm a genius) grin |
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