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Larry W4CSC
 
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Default Portable Fish Finder Recommendations?

On Sat, 31 Jan 2004 16:26:53 GMT, Larry wrote:

On Sat, 31 Jan 2004 05:27:55 GMT, Larry W4CSC wrote:

How many D cells, Larry? Adapting it is as easy as a 3-terminal
regulator IC to make the proper output voltage to match the D cells.
6 cells - 9 volts - LM7809 regulator. Too easy!.....Bolt the
regulator to a little heat sink on the battery case.


Hi Larry,

Actually, I was wrong. It uses 3 "C" cells (not "D" - I just checked),
but you're still correct - a three terminal regulator set for 4.5 volts. I
suppose I could fit a dowel assembly with contacts and bring the
connections out through something reasonably waterproof. The reg would
probably have to be outside, though, as it's likely to throw off a bit of
heat, don't you think?
--

The reg would be barely warm, probably not using a heat sink at all.
Use an LM7805 or MC7805 5V regulator and it'll work fine......



Larry W4CSC

No, no, Scotty! I said, "Beam me a wrench.", not a WENCH!
Kirk Out.....