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G8MNY > TECHNI 15.08.04 15:01l 17 Lines 825 Bytes #999 (0) @ WW
BID : 5651_GB7CIP
Read: GUEST OE7FMI
Subj: Re: Car Battery Confusion.
Path: DB0FHN<DB0MRW<DB0WUE<DK0WUE<DB0RES<ON0AR<GB7CIP
Sent: 040815/1052Z @:GB7CIP.#32.GBR.EU #:5651 [Caterham] $:5651_GB7CIP
From: G8MNY@GB7CIP.#32.GBR.EU
To : TECHNI@WW
Hi Readers,
Tests I have doen certinaly shows modern Alternators can provide 25-30A
at engine tick over, but older systems may not (5-10A). This is easly shown up
by looking at the brightness of say interor lamp whenm U put the headlighs
on with on a flattered battery (after just starting), if the lamp dims & gets
brighter when the engine is revved the alternator is at it's O/P limit for this
e revs.
The keep the engine running tests with no battery & put the headlights on
will only test whether the alternator can supply the 5A ingition pulse while
there is 3A of sidelamps (inc dashboard) when U ask for something like 30A
if turn on surge from cold headlight bulbs but 10A running!
73 de John G8MNY on 2004-AUG-15 @ 11:52 local time, XT is still going!
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