Re: [T3] type 3 alternators

[Greg Irick <gregi@vwtype3.org>]

<x-flowed>When you start calculating how much current is required to run your car it 
can add up pretty quickly.

Low Beam Headlights     55W/14V=~4A Ea x2=8A
High Beam Headlights    60W/14V=~4.3A EA x2=8.6A
Instrument Lights         2W/14V=   .2A   EA x3=.6A
License Light           10W/14V=   .7A Ea
Tail Lights               5W/14V=   .4A Ea x2=.8A
Front Marker Lights       4W/14V=   .3A Ea x2=.6A

Brake Lights            21W/14V=  1.3A Ea x2=2.6A
Turn Signal Lights      21W/14V=  1.3A Ea x4=5.3A
Backup Lights           21W/14V=  1.3A Ea x2=2.6A
Total without radio or windshield wipers with low beam headlights = 21.2A

If we add in roughly 4A for a radio and 4A for the wiper motor you're 
pushing 30A.  Now granted you wouldn't have everything running at once 
except at night in the rain while backing up trying to parallel park your 
car.  Remember that these are just rough calculations.  I still think the 
40A alternator that Toby is using would be great especially if you are 
using H4 headlights with 100W or 130W highbeams  ;^)

Greg Irick
Silverdale, WA
gregi@vwtype3.org
'65 Notchback with a Britax sliding rag top

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