[AJD] Physics 101

[Robert L. Holtzer]

Hey, Nick -- you should have stayed in the Sacramento area.  I spent a 
winter in Madison, Wis, a few years back.  I wouldn't wanted to try 
starting my MD, etc.

Best wishes for any early spring.

Bob Holtzer

At 01:40 PM 2/1/2005 -0800, you wrote:
>My gal put her car in a ditch a few weeks back at 10 at night and was
>going to have to be back to work at 8 in the morning, so I went to crank
>up my '47 model b, and I don't think I could have started it for all the
>money in the world. it was -23f actual air temp. to be honest, my other
>car wouldent even start the next morning and it had been plugged in to all
>night as well... I guess that once it gets past a certain point some
>engines won't run? I don't know.... being from Ca this Minnesota weather
>is really eye opening.....
>
>can any body give me any tips for extreme cold (-20F or colder) operation
>of engines? aside from the obvious of using a nice thin oil?
>Nick Solomon
>
> > What is the physics behind our old treasures being harder to start in cold
> > weather?
> >
> > Is the ignition system affected by the cold?
> > Is the fuel mixture somehow different?
> > Is it harder to burn the fuel mixture enclosed by cold iron?
> > The physical effects of the thickened oils are obvious, but are there
> > other
> > issues with oils as well?
> > What about air intake?  Any changes there?  Am I more likely to suck a
> > glob
> > of oil from the breather into the carb during cold weather?
> > Aside from the obvious effects from freezing, does the coolant system
> > behave
> > differently during cold weather?
> >
> > My old John Deere tends to wake up pretty well on a cold morning, about as
> > well as I do, but the definition of cold here in Texas is different than
> > it
> > is elsewhere.
> >
> > Thanks!
> >
> > Cal B.
> > Nacogdoches, Texas
> >
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> >
>
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