Date: Sat, 27 Jun 2015 12:57:33 -0700
Reply-To: Rocket J Squirrel <camping.elliott@GMAIL.COM>
Sender: Vanagon Mailing List <vanagon@gerry.vanagon.com>
From: Rocket J Squirrel <camping.elliott@GMAIL.COM>
Subject: Re: Propane and refrigerator success
In-Reply-To: <A829B960-19A0-4D0A-8403-81E8DCE9686B@comcast.net>
Content-Type: text/plain; charset=utf-8; format=flowed
The inside temp rise lags the outside temp rise (as the day warms) by an
hour or more. That may be what you're seeing.
--
Jack "Rocket j Squirrel" Elliott
1984 Westfalia, auto trans,
Bend, Ore.
On 06/27/2015 12:29 PM, Eric Caron wrote:
> Hi Jeff,
>
> Just out of curiosity I’ve been watching the internal temp now that I changed over to shore power. the internal temperature is rising and is now about 35 F and this is more then I’d expect as it is only about 3 F warmer then this morning. I’d guess my unit actually does a bit better on propane, certainly not more efficient on shore power.
>
> Eric
>
> On Jun 27, 2015, at 2:49 PM, Jeff Palmer <jpalmer@MYMTS.NET> wrote:
>>
>> Sounds logical but my heart tells me it gets colder on electricity. Of course my hearts only 50% efficient :)
>>
>> Sent from my iPhone
>>
>>> On Jun 27, 2015, at 1:35 PM, Rocket J Squirrel <camping.elliott@gmail.com> wrote:
>>>
>>> Same thing. The heat source is irrelevant, the limitation comes from the ammonia cycle.
>>>
>>> --
>>> Jack "Rocket j Squirrel" Elliott
>>> 1984 Westfalia, auto trans,
>>> Bend, Ore.
>>>
>>>> On 06/27/2015 11:32 AM, Jeff Palmer wrote:
>>>> What's the delta when it's on shore power?
>>>>
>>>> Jeff
>>>>
>>>> Sent from my iPhone
>>>>
>>>>> On Jun 27, 2015, at 12:54 PM, Rocket J Squirrel <camping.elliott@GMAIL.COM> wrote:
>>>>>
>>>>> Hey Eric,
>>>>>
>>>>> I've done a lot of testing of interior temp v exterior temp on two
>>>>> models of ammonia-cycle regfrigerators -- the stock Vanagon one, and a
>>>>> standalone Dometic RC3000 unit that I use on longer off-the-grid camping
>>>>> trips.
>>>>>
>>>>> The ammonia cycle is capable of pulling something around a 40 degree (F)
>>>>> differential between ambient temperature and internal temperature, and
>>>>> my measurements agree with this.
>>>>>
>>>>> If it's a 100-degree (F) day, the inside of the refrigerator will slowly
>>>>> climb up to 60F. That is above the maximum allowable temperature for
>>>>> food safety (between 40F to 140F is the "danger zone") and also results
>>>>> in beer that is warmer than I like to drink.
>>>>>
>>>>> --
>>>>> Jack "Rocket j Squirrel" Elliott
>>>>> 1984 Westfalia, auto trans,
>>>>> Bend, Ore.
>>>>>
>>>>>> On 06/27/2015 07:30 AM, Eric Caron wrote:
>>>>>> Back to the original thread!
>>>>>>
>>>>>> checked my internal refrigerator temp this morning and it is 29 F and
>>>>>> the outside temperature was 67 F. inside the van was 70 F. dial was
>>>>>> set to Max cooling.
>>>>>>
>>>>>> Am I correct that this is the expected functioning of my stock
>>>>>> refrigerator with all stock parts and no related van mods? I was
>>>>>> considering pulling it to clean and upgrade to go westy fan but am
>>>>>> thinking that is probably a bad idea with it working well at this
>>>>>> point. Van has always lived inside and from what I can tell it is
>>>>>> clean behind and under the unit. I even keep the original outside
>>>>>> vent cover on when not in use.
>>>>>>
>>>>>> OK, I’ll admit it. Before lighting yesterday I turned on the stove
>>>>>> burners each just for a couple of seconds. they sounded air free and
>>>>>> smooth. I’ll light refrigerator without doing this next time. Hum,
>>>>>> or maybe I’ll keep doing it as a good luck charm!
>>>>>>
>>>>>> Eric Caron 85 GL Auto Westfalia Currently on shore power waiting for
>>>>>> another temp check. Beverages cold and waiting. Is it 5:00 o’clock
>>>>>> somewhere?
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>> On Jun 27, 2015, at 10:03 AM, Jim Felder <jim.felder@GMAIL.COM>
>>>>>>> wrote:
>>>>>>>
>>>>>>> My all-time favorite.
>>>>>>>
>>>>>>> Jim
>>>>>>>
>>>>>>> On Sat, Jun 27, 2015 at 9:00 AM Larry Alofs <lalofs@gmail.com>
>>>>>>> wrote:
>>>>>>>
>>>>>>>> And not resetting the trip odometer while the van is moving?
>>>>>>>>
>>>>>>>>
>>>>>>>> On Sat, Jun 27, 2015 at 9:57 AM, Rocket J Squirrel <
>>>>>>>> camping.elliott@gmail.com> wrote:
>>>>>>>>
>>>>>>>>> Unless someone can come up with a scenario where air can get
>>>>>>>>> into a sealed and pressurized propane line, I declare running
>>>>>>>>> the stove to light the refigerator as being in the same
>>>>>>>>> category as holding your tongue just right.
>>>>>>>>>
>>>>>>>>> -- Jack "Rocket j Squirrel" Elliott 1984 Westfalia, auto
>>>>>>>>> trans, Bend, Ore.
>>>>>>>>>
>>>>>>>>>> On 06/26/2015 05:56 PM, Jim Felder wrote:
>>>>>>>>>>
>>>>>>>>>> No need. The stove and the fridge are on separate gas
>>>>>>>>>> "circuits"
>>>>>>>>>>
>>>>>>>>>> Jim
>>>>>>>>>>
>>>>>>>>>> On Fri, Jun 26, 2015 at 7:29 PM PB <pbrattan@gmail.com>
>>>>>>>>>> wrote:
>>>>>>>>>>
>>>>>>>>>> Oh - one more hint they gave me, and I think the manual said
>>>>>>>>>> the same
>>>>>>>>>>> thing: Light the stove first. Once the propane is
>>>>>>>>>>> actually running in the stove, the fridge will start more
>>>>>>>>>>> easily.
>>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>
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