Forum Discussion
otrfun
May 20, 2022Explorer II
srschang wrote:Most alternators run at ~3 times engine speed. Our Cummins idles at 700 rpm or 1000-1500 set to high idle. 700-1500 engine rpm would equate to roughly 2100-4500 alternator rpm or 150-200a according to this chart.
. . . The alternator really doesn't produce anything at idle . . .
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