XPost: uk.rec.driving, alt.home.repair, uk.d-i-y   
   From: tnp@invalid.invalid   
      
   On 11/07/2019 14:47, Xeno wrote:   
   > On 11/7/19 5:11 am, Commander Kinsey wrote:   
   >> Well I see the full voltage charging a flat battery at idle.   
   >> Obviously they could be designed to be capable of this and it would be   
   >> very useful to charge the battery quickly when doing stop start town   
   >> driving, or driving at minimum revs in top gear in a town.   
   >>   
   > You may see a high voltage but you will not see a high current at idle.   
   > The alternator is not *capable* of high current at idle.   
   >   
   >   
      
   You would be surprised.   
      
   Howver 80A at 12v is only a brake horsepower and a bit..   
      
      
      
      
   >>   
   >> On Sun, 23 Jun 2019 07:07:14 +0100, Xeno    
   >> wrote:   
   >>   
   >>> On 23/6/19 5:47 am, Commander Kinsey wrote:   
   >>>> Modern car alternators seem to be able to give out a huge amount of   
   >>>> current at engine idle speed.  I'm sure my friend got his to give out   
   >>>> pretty much the full 80 amps without revving the engine.  He was   
   >>>> powering a small disco on a campsite :-)   
   >>>   
   >>> No way to get a full 80 amps out of an alternator *at idle*.   
      
   That however is probably true for most car alternators   
      
      
      
      
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