View Single Post
Old 10-16-2009, 11:51 AM   #14 (permalink)
micondie
EcoModding Apprentice
 
micondie's Avatar
 
Join Date: Mar 2009
Location: Western Mass
Posts: 104

moby van - '03 Dodge Caravan SE
90 day: 19.74 mpg (US)
Thanks: 0
Thanked 5 Times in 5 Posts
Quote:
Originally Posted by PaleMelanesian View Post
I've measured my blower, and the power draw is proportional to the speed setting - low speed uses less than high speed. Sitting with the engine off, reading battery voltage, and each higher setting drops the voltage another 0.1. Back to a lower setting and that 0.1 comes back. I'm not sure about the why or how, though.
If you are just reading voltage then you haven't measured the power used. You have to measure amperage too. Amps X Volts = Watts (power)
  Reply With Quote