It use to be the same practice with the military cargo aircraft (Hercules) in the high Arctic (Alert) - the were kept running the entire time they were on the ground, because if you shut the engines down for more than a few minutes, it was a huge endeavour to get them restarted.

On 18-Nov-2014, at 20:50, John Rodgers wrote:

> I use to work the North Slope in ALASKA  and the diesels the were never
> shut down. In winter if one shut down, there was no starting it again. They
> ran continually all winter. They don't burn much fuel at idle, yet it was
> enough to keep them running.
> 
> John
> On Nov 18, 2014 10:56 AM, "KI4TLF" <ki4tlf@gmail.com> wrote:
> 
>> Yes and no.  The larger truck diesels can be, but it's like a turbocharged
>> gas engine.  Best to let them run for 1 to 3 minutes depending on the
>> outside temperature.  Same for shutdown.
>> 
>> Cold weather you need to get the oil circulating through the turbo as it
>> warms up from the engine and exhaust heat.  With some of the new variable
>> vane turbos, they can spin faster with less exhaust pressure, so the need
>> for oil circulation is more critical.  That's one of the reasons for the
>> lower viscosity synthetic oil.
>> 
>> That being said, unless it's one of the newer diesel trucks with the
>> shutters in front of the radiator, they still have problems with real cold
>> weather getting warm.   I'm running a sheet of cardboard in front of my
>> radiator, but behind the intercooler.
>> 
>> GregM
>> 
>> -----Original Message-----
>> From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf
>> Of Dave Mcneely
>> Sent: Tuesday, November 18, 2014 9:24 AM
>> To: vanagon@GERRY.VANAGON.COM
>> Subject: Re: New diesel from VW
>> 
>> Just yesterday I was on my daily walk and passed by a giant diesel pickup
>> parked by the curb with a big "camping" trailer (portable house) behind
>> it.  The engine was running.  An hour later I passed it again.  Still
>> there, still running.
>> 
>> I know that diesel engines in the old days were hard to start, took a good
>> long while to heat up, and ran inefficiently until fully hot.  But that
>> isn't true now, is it?  Aren't automotive diesel engines supposed to fire
>> right up and be driven away immediately, like gasoline engines?
>> 
>> mcneely
>> 
>> ---- "SDF ( aka ;jim lahey' - Scott )" <scottdaniel@TURBOVANS.COM> wrote:
>>> diesels might be outlawed ????
>>> that is fantastic news !!!
>>> 
>>> ( wouldn't be so bad if people would shut the damn things off ! )
>>> 
>>> lol..where I am diesel fuel is almost 5 dollars a gallon.
>>> and fortunately not many diesel cars.
>>> 
>>> 
>>> On 11/17/2014 8:33 AM, Jim Felder wrote:
>>>> When diesels are outlawed, only outlaws will have diesels.
>>>> 
>>>> Outlaw Jim
>>>> 
>>>> On Mon, Nov 17, 2014 at 11:58 AM, Don Hanson <dhanson928@gmail.com>
>> wrote:
>>>> 
>>>>>   If Obama came out in favor of the English system, we'd have
>>>>> metric in a Heartbeat.....If Obama said diesels should be
>>>>> regulated, we would have them in all our vehicles, just like the rest
>> of the world...
>>>>> 
>>>>> On Mon, Nov 17, 2014 at 9:54 AM, Dave Mcneely <mcneely4@cox.net>
>> wrote:
>>>>> 
>>>>>> ---- "Chris S." <szpejankowski@GMAIL.COM> wrote:
>>>>>>> I would love to see an affordable TDI in my Vanagon. Wait, what
>>>>>>> is that
>>>>>> spooling woosh sound?  Ah, that's sound of the V8 becoming obsolete.
>>>>>>> Word is that we will see this engine stateside as soon as the
>>>>>>> metric
>>>>>> system is adopted as the US standard.
>>>>>> 
>>>>>> Well, that's not going to happen.  Don't you know that the metric
>>>>>> system is a part of the socialist takeover plan for the U.S.?  lol
>>>>>> 
>>>>>>> Chris.
>>>>>>> 
>>>>>>> Wysłane z iPhone'a
>>>>>>> 
>>>>>>> Dnia Nov 16, 2014 o godz. 22:52 John Rodgers
>>>>>>> <jrodgers113@GMAIL.COM>
>>>>>> napisał(a):
>>>>>>>> A new 2.0 L four cyl 269 hp engine has just been shown by VW.
>>>>>>>> And the
>>>>>> thing
>>>>>>>> gets 40-50 mpg.
>>>>>>>> 
>>>>>>>> Thats all i can tell you right now. Saw a picture of it an its
>>>>>>>> little monster .
>>>>>>>> 
>>>>>>>> John
>>>>>> --
>>>>>> David McNeely
>>>>>> 
>> 
>> --
>> David McNeely
>>