Phillip,

 

Its a 400watt blockheater, my 400watt inverter handles it with no worries. I 
use a 110ah marine battery and 20 minutes is plenty to start my car down to 
-15F out in the driveway. Cars don't suffer from windchill anyway.

At -20F an hour on the heater gets everything going just fine. I usually take 
the battery down and get everything connected up. Come back up and jump in a 
nice hot shower, eat breakfast and check my email. Then go down and start the 
car, leave it running while I bring the battery back upstairs and put it on the 
charger. If its -20F I'll maybe have another cup of coffee, I know its naughty 
but at -20F I like to have some heat... Contrary to what I've read on this list 
my car will develop enopugh heat to warm the cab at idle in 5-7 minutes. I have 
a 40 mile one way commute so I'm not terribly worried about any carbon 
developing in that time.

 

-Curt

 

Date: Tue, 27 Sep 2005 17:29:56 -0500
From: Fmiser <[EMAIL PROTECTED]>
Subject: Re: [MBZ] '69 220D on eBay
To: Mercedes mailing list <[EMAIL PROTECTED]>
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rumor has it that Kevin wrote:

> On Tue, Sep 27, 2005 at 08:34:14AM -0700, Curt Raymond wrote:
> > Old style glowplugs so I'll 
> > want to convert. How well can one with converted glowplugs be 
expected to 
> > start in the cold? Right now at about 0F I start getting nervous 
('83 240D) 
> > and at -5F I've gotta put the block heater on which is a project 
because I 
> > live in a 3rd floor walkup with nowhere to plugin the car. I've got 
a 110ah 
> > marine battery and 400watt inverter that I haul down to the car and 
20 
> > minutes later it starts with no problems all the way down to -20F 
which is 
> > about as cold as it ever gets here.
> 
> After messing with series plugs last night, I think I like messing 
with
> them better than the parallel ones. SO SIMPLE. 

The relay circuit is simpler - but it in not that series is inherently
simpler than parallel.

The two problems I see with the series system Mercedes used:

  * About 1/2 of the heat created is in the "toaster" wires - outside
    of the engine!!

  * Any problem with any connection or heater will affect _all_ the 
plugs,
    not just the one with troubles.

> You know, with some creativity, you could use an RV charging system 
(allows
> charge but not discharge), and run dual batteries, leaving one for an 
onboard
> inverter for your block heater. The battery will charge up as you 
drive, as
> long as you don't do short trips with a 4000 watt ghetto blaster like 
Spud 
> has hooked up in his 300D :)

Hmmm.

That would take a _lot_ of battery.

The block heater is about 750 watts. With an inverter that is 100%
efficient (impossible) that is about 55 amps at 13.6 V !!!

My experience is the block heater is almost useless if it is powered 
for
less than 1 hour. By 2 hours, it's help is noticable; and 3-4 hours is
long enough for my garage-parked (no wind) cars for any temperatures I
find here in central Missouri.

So, to get 3 hours of full power you should prabably figure on at least
200 amp-hour batter capacity.

               Philip, dreaming of some day finding diesel-fire block 
                       heaters - that cost _less_ than the car.


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So I assume it has the 3rd seat?

Christopher McCann wrote:

> Apparently the man I bought it from's grand kids
> called it "Little Red Riding Hood"...which is
> cute...especially since it will mainly haul around my
> wife and 4 (soon to be 5) daughters.  I have to say
> I'm partial to a German name...Ursula...? 
> 
> translation: kleine rot _______ __________?
> 
> Chris
> 
> 
> 
>

-- 
Kaleb C. Striplin/Claremore, OK
  89 560SEL, 87 300SDL, 87 300SDL, 85 380SE,
  85 300D,  83 300TD, 81 300TD, 81 240D, 81 240D,
  76 450SEL, 76 240D, 76 300D, 74 240D, 69 250
Okie Benz Auto parts-email for used parts

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