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I have been having a problem with the battery voltage dropping below the low
level threshold when I have moderately high current draw.  Since up until now
this has only occurred when gear is extended or retracted I have not bothered
with it until now.  I recently added landing lights and discovered the
problem occurs with landing lights on while on approach.  I have recently
removed the alternator (for another reason too lengthy to explain here) and
began investigating (again) this issue.  I have an older model L60 (60 amp)
ND alternator from Pelican Aviation with an LR3 Regulator from B&C.  The
label on the alternator indicates that it has a built in regulator.  The
write up in ACS catalog for the regulator indicates that it will not work
with an alternator that has a built in regulator.  The alternator has clearly
been working to some degree as I have about 80 hours on the plane.  However,
something is not right because I should not be getting a low voltage alarm
under these circumstances.  I am considering buying a new B&C alternator.  
Unfortunately I don't have anymore data and the airplane is now sitting
without alternator.  If necessary I can put it back on and get some more
flight data.  Does anyone have any ideas on this problem?  Any help is
appreciated.
Regards,
Randy Kruger
LNC2, N1222K  
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