3 ms·
> Whilst cranking, an ICE car will drop to around 6 volts (then maximum power is extracted according to thevenim's theorem). > That means all computers etc wil
by toast0 7mo ago
> Whilst cranking, an ICE car will drop to around 6 volts (then maximum power is extracted according to thevenim's theorem).
> That means all computers etc will work at 6v.
Not necessarily all of them. Plenty of stuff will drop out while cranking; hopefully not the computers that run the fuel injection and ignition, though.
- cogogo 7mo agoInteresting. I now know why my windshield wipers quit for a sec when my vw auto stop/start kicks back on.
- Maxion 7mo agoNot a car engineer, but those motors can be pretty high A, so this could also just be a feature that helps the starter get as much power as it can while cranking.
- bluGill 7mo agoIgnition switches were turning off the wipers and other such extras in the 1980s. Probably longer but I'm not old enough to remember
- HeyLaughingBoy 7mo agoSome accessories are disconnected while cranking so the battery can supply as much current as possible to the starter.