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	<title>Comments on: Not that much &#8220;science&#8221; here.</title>
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	<link>https://habitablezone.com/2012/08/28/not-that-much-science-here/</link>
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		<title>By: ER</title>
		<link>https://habitablezone.com/2012/08/28/not-that-much-science-here/#comment-17836</link>
		<dc:creator>ER</dc:creator>
		<pubDate>Thu, 30 Aug 2012 01:30:00 +0000</pubDate>
		<guid isPermaLink="false">http://www.habitablezone.com/?p=20969#comment-17836</guid>
		<description>I set off alarms everywhere I go.

And BTW, that ice coverage is still dropping in the arctic, it broke the all-time record on 8/24 and it still shows no signs of leveling off.  The &quot;lowest ice&quot; date is still 3 weeks off.

Arctic ice cover in late August is now about half what it was in the 1980s. From 8 to 4 million sq km in 30 years. And have you noticed how quiet all the denialists have been lately?

http://www.ijis.iarc.uaf.edu/en/home/seaice_extent.htm</description>
		<content:encoded><![CDATA[<p>I set off alarms everywhere I go.</p>
<p>And BTW, that ice coverage is still dropping in the arctic, it broke the all-time record on 8/24 and it still shows no signs of leveling off.  The &#8220;lowest ice&#8221; date is still 3 weeks off.</p>
<p>Arctic ice cover in late August is now about half what it was in the 1980s. From 8 to 4 million sq km in 30 years. And have you noticed how quiet all the denialists have been lately?</p>
<p><a href="http://www.ijis.iarc.uaf.edu/en/home/seaice_extent.htm" rel="nofollow">http://www.ijis.iarc.uaf.edu/en/home/seaice_extent.htm</a></p>
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		<title>By: bowser</title>
		<link>https://habitablezone.com/2012/08/28/not-that-much-science-here/#comment-17834</link>
		<dc:creator>bowser</dc:creator>
		<pubDate>Wed, 29 Aug 2012 22:14:35 +0000</pubDate>
		<guid isPermaLink="false">http://www.habitablezone.com/?p=20969#comment-17834</guid>
		<description>At 2 1/4 X 2 inches it would seem to fit inside a cheap smoke detector which has been gutted.  There are two programmable outputs on the $75 model CO2 sensor, so one could be ordered to match the alarm.  Total cost for that would be about $100 including shipping, I would think.

The combustible gas - CO sensor is $40, and a good smoke - CO detector would be about $30.  For $170 one would have a good chance of being notified of a fire, propane leak, CO and CO2 buildups.  Sounds good to me.

Thanks for the help.

Oh, yes.  It has a 40 gallon fresh water tank, and I don&#039;t know how big the black water and gray water tanks are.  However, the black water doesn&#039;t get used much, as gas stations and rest areas are regular stops anyway.

The gray water can usually be run out onto the ground.  It&#039;s mainly water from washing dishes and considered sanitary.  So is urine, for that matter, but the public isn&#039;t ready for that yet.

Thanks again.</description>
		<content:encoded><![CDATA[<p>At 2 1/4 X 2 inches it would seem to fit inside a cheap smoke detector which has been gutted.  There are two programmable outputs on the $75 model CO2 sensor, so one could be ordered to match the alarm.  Total cost for that would be about $100 including shipping, I would think.</p>
<p>The combustible gas &#8211; CO sensor is $40, and a good smoke &#8211; CO detector would be about $30.  For $170 one would have a good chance of being notified of a fire, propane leak, CO and CO2 buildups.  Sounds good to me.</p>
<p>Thanks for the help.</p>
<p>Oh, yes.  It has a 40 gallon fresh water tank, and I don&#8217;t know how big the black water and gray water tanks are.  However, the black water doesn&#8217;t get used much, as gas stations and rest areas are regular stops anyway.</p>
<p>The gray water can usually be run out onto the ground.  It&#8217;s mainly water from washing dishes and considered sanitary.  So is urine, for that matter, but the public isn&#8217;t ready for that yet.</p>
<p>Thanks again.</p>
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		<title>By: TB</title>
		<link>https://habitablezone.com/2012/08/28/not-that-much-science-here/#comment-17830</link>
		<dc:creator>TB</dc:creator>
		<pubDate>Wed, 29 Aug 2012 20:50:16 +0000</pubDate>
		<guid isPermaLink="false">http://www.habitablezone.com/?p=20969#comment-17830</guid>
		<description>&lt;p&gt;Most CO2 sensors I&#039;m seeing are for professional and science use.&lt;/p&gt;  Probably more work and money than you want to spend.

If you&#039;re &quot;dry camping,&quot; I&#039;d stick with the RV furnace for heat.  That&#039;s what it&#039;s designed for.

AC?  Hopefully you won&#039;t need too much.

Make sure your waste tank and water tanks are empty and full respectively, too.  :)</description>
		<content:encoded><![CDATA[<p>Most CO2 sensors I&#8217;m seeing are for professional and science use.</p>
<p>  Probably more work and money than you want to spend.</p>
<p>If you&#8217;re &#8220;dry camping,&#8221; I&#8217;d stick with the RV furnace for heat.  That&#8217;s what it&#8217;s designed for.</p>
<p>AC?  Hopefully you won&#8217;t need too much.</p>
<p>Make sure your waste tank and water tanks are empty and full respectively, too.  <img src='https://habitablezone.com/wp-includes/images/smilies/icon_smile.gif' alt=':)' class='wp-smiley' /> </p>
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		<title>By: bowser</title>
		<link>https://habitablezone.com/2012/08/28/not-that-much-science-here/#comment-17823</link>
		<dc:creator>bowser</dc:creator>
		<pubDate>Wed, 29 Aug 2012 18:33:29 +0000</pubDate>
		<guid isPermaLink="false">http://www.habitablezone.com/?p=20969#comment-17823</guid>
		<description>The pay RV parks do have electricity, a 30 Amp service at minimum.  During the hot months they run the A/C.

I&#039;m not sure if those folks are open much during the winter, but if they are a small electric heater would be perfect.

My fantasies center around what&#039;s called &quot;boondocking&quot;, or dry camping.  That can be anything from a Wal-Mart parking lot to a wide spot in a gravel road in Death Valley or Bryce Canyon.  That&#039;s when one has to make do with the resources one is carrying, sort of like backpacking.

Here is the message I got from the CO2 censor people regarding gutting another alarm except for the alarm and substituting their sensor.

&quot;Have a look at the K30 sensor data sheet, it has 4 programmable outputs (fill in the sheet when you order if you want it programed other than stock).

          2 are digital open collectors and the other 2 can be analog or digital.

          You have to determine what the input to the old alarm requires you can probably make this work.&quot;

And they do make 12VDC electric blankets.  Those puppies do suck up electrons, though, but the generator will run all night.

Two matters I&#039;ve resolved for winter travel to cold climates.  It is possible to purchase 92 or 93 octane fuel without alcohol in it for the generator.  It does much better with that.  And it is possible to purchase a fitting which allows one to attach a conventional propane tank to the system, doubling the propane available.

Now that I think about it, a 600 watt heater would be quite do-able with a Honda EU 2000i generator, which is good for 1600 continuous watts (they claim).  And I think 600 watts would heat the place fairly well.

The LPG furnace would be much quieter, though.

Thanks for the suggestions.  This is really fun for me.</description>
		<content:encoded><![CDATA[<p>The pay RV parks do have electricity, a 30 Amp service at minimum.  During the hot months they run the A/C.</p>
<p>I&#8217;m not sure if those folks are open much during the winter, but if they are a small electric heater would be perfect.</p>
<p>My fantasies center around what&#8217;s called &#8220;boondocking&#8221;, or dry camping.  That can be anything from a Wal-Mart parking lot to a wide spot in a gravel road in Death Valley or Bryce Canyon.  That&#8217;s when one has to make do with the resources one is carrying, sort of like backpacking.</p>
<p>Here is the message I got from the CO2 censor people regarding gutting another alarm except for the alarm and substituting their sensor.</p>
<p>&#8220;Have a look at the K30 sensor data sheet, it has 4 programmable outputs (fill in the sheet when you order if you want it programed other than stock).</p>
<p>          2 are digital open collectors and the other 2 can be analog or digital.</p>
<p>          You have to determine what the input to the old alarm requires you can probably make this work.&#8221;</p>
<p>And they do make 12VDC electric blankets.  Those puppies do suck up electrons, though, but the generator will run all night.</p>
<p>Two matters I&#8217;ve resolved for winter travel to cold climates.  It is possible to purchase 92 or 93 octane fuel without alcohol in it for the generator.  It does much better with that.  And it is possible to purchase a fitting which allows one to attach a conventional propane tank to the system, doubling the propane available.</p>
<p>Now that I think about it, a 600 watt heater would be quite do-able with a Honda EU 2000i generator, which is good for 1600 continuous watts (they claim).  And I think 600 watts would heat the place fairly well.</p>
<p>The LPG furnace would be much quieter, though.</p>
<p>Thanks for the suggestions.  This is really fun for me.</p>
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		<title>By: TB</title>
		<link>https://habitablezone.com/2012/08/28/not-that-much-science-here/#comment-17818</link>
		<dc:creator>TB</dc:creator>
		<pubDate>Wed, 29 Aug 2012 17:17:39 +0000</pubDate>
		<guid isPermaLink="false">http://www.habitablezone.com/?p=20969#comment-17818</guid>
		<description>&lt;p&gt;One recommendation:&lt;/p&gt;

To avoid running gas heaters as much as possible:

I don&#039;t know that much about RV 110 circuit capacity, but if you do a lot of traveling to campsites in cold areas that have electricity available, you might consider a small electric heater.  I had safe &quot;oil heater&quot; types in my kid&#039;s rooms, switchable from 600 to 1400 watts, but that&#039;s a pretty big heater.  Don&#039;t know if they make small ones.

And don&#039;t overlook the simple solution of a good quality electric blanket.</description>
		<content:encoded><![CDATA[<p>One recommendation:</p>
<p>To avoid running gas heaters as much as possible:</p>
<p>I don&#8217;t know that much about RV 110 circuit capacity, but if you do a lot of traveling to campsites in cold areas that have electricity available, you might consider a small electric heater.  I had safe &#8220;oil heater&#8221; types in my kid&#8217;s rooms, switchable from 600 to 1400 watts, but that&#8217;s a pretty big heater.  Don&#8217;t know if they make small ones.</p>
<p>And don&#8217;t overlook the simple solution of a good quality electric blanket.</p>
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		<title>By: bowser</title>
		<link>https://habitablezone.com/2012/08/28/not-that-much-science-here/#comment-17816</link>
		<dc:creator>bowser</dc:creator>
		<pubDate>Wed, 29 Aug 2012 16:59:37 +0000</pubDate>
		<guid isPermaLink="false">http://www.habitablezone.com/?p=20969#comment-17816</guid>
		<description>I wasn&#039;t aware of the CO2 sensors and have emailed them asking if their customizable version could be inserted into a smoke alarm case, for instance, which had been gutted except for the alarm function.

I&#039;m sure you are correct, that CO2 isn&#039;t a problem and there is plenty of ventilation in an old RV even though the previous owners have used a lot of tarry caulk wherever they could.  Duct tape is used, too.  It does have various holes, most of which have been sealed.  However, the battery bay is open to the world, apparently because people tend to use batteries which require maintenance.

I&#039;m going to move that down the list, unless I get serious about having to seal it up in very cold weather.  I haven&#039;t experienced that in it yet, we&#039;ll see what happens.

Next project is to see how the various water containers, fresh water, gray water, black water and the lines are prevented from freezing while keeping the fresh water potable.  I don&#039;t particularly want to attach heat tape everywhere.  

Thanks for the CO2 sensor link.  That may pay off.</description>
		<content:encoded><![CDATA[<p>I wasn&#8217;t aware of the CO2 sensors and have emailed them asking if their customizable version could be inserted into a smoke alarm case, for instance, which had been gutted except for the alarm function.</p>
<p>I&#8217;m sure you are correct, that CO2 isn&#8217;t a problem and there is plenty of ventilation in an old RV even though the previous owners have used a lot of tarry caulk wherever they could.  Duct tape is used, too.  It does have various holes, most of which have been sealed.  However, the battery bay is open to the world, apparently because people tend to use batteries which require maintenance.</p>
<p>I&#8217;m going to move that down the list, unless I get serious about having to seal it up in very cold weather.  I haven&#8217;t experienced that in it yet, we&#8217;ll see what happens.</p>
<p>Next project is to see how the various water containers, fresh water, gray water, black water and the lines are prevented from freezing while keeping the fresh water potable.  I don&#8217;t particularly want to attach heat tape everywhere.  </p>
<p>Thanks for the CO2 sensor link.  That may pay off.</p>
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		<title>By: TB</title>
		<link>https://habitablezone.com/2012/08/28/not-that-much-science-here/#comment-17811</link>
		<dc:creator>TB</dc:creator>
		<pubDate>Wed, 29 Aug 2012 15:58:39 +0000</pubDate>
		<guid isPermaLink="false">http://www.habitablezone.com/?p=20969#comment-17811</guid>
		<description>Unless you&#039;re living in a really airtight thing like a submarine, you don&#039;t need to normally worry about CO2 (carbon dioxide) buildup.  If your RV is really tight, crack a window at night to avoid stuffiness.

CO (carbon monoxide) is another matter.  I&#039;ve got a CO alarm near our furnace which is upstairs not far from the bedroom.

Your link is the first alarm I&#039;ve seen that can also detect propane fumes, and that seems like a very good idea for an RV.  I would buy one of those, along with the standard smoke alarm.  All should be battery powered since an RV is not always connected to, or generating, line current.

You can get smoke alarms and monoxide detectors with strobes or &quot;shakers&quot; for people hard of hearing, but I don&#039;t know if there are propane detectors like that.  This is where dogs come in handy.

They do make &lt;a href=&quot;http://www.co2meter.com/&quot; rel=&quot;nofollow&quot;&gt;CO2 sensors,&lt;/a&gt; but not cheap ones.</description>
		<content:encoded><![CDATA[<p>Unless you&#8217;re living in a really airtight thing like a submarine, you don&#8217;t need to normally worry about CO2 (carbon dioxide) buildup.  If your RV is really tight, crack a window at night to avoid stuffiness.</p>
<p>CO (carbon monoxide) is another matter.  I&#8217;ve got a CO alarm near our furnace which is upstairs not far from the bedroom.</p>
<p>Your link is the first alarm I&#8217;ve seen that can also detect propane fumes, and that seems like a very good idea for an RV.  I would buy one of those, along with the standard smoke alarm.  All should be battery powered since an RV is not always connected to, or generating, line current.</p>
<p>You can get smoke alarms and monoxide detectors with strobes or &#8220;shakers&#8221; for people hard of hearing, but I don&#8217;t know if there are propane detectors like that.  This is where dogs come in handy.</p>
<p>They do make <a href="http://www.co2meter.com/" rel="nofollow">CO2 sensors,</a> but not cheap ones.</p>
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		<title>By: RobVG</title>
		<link>https://habitablezone.com/2012/08/28/not-that-much-science-here/#comment-17810</link>
		<dc:creator>RobVG</dc:creator>
		<pubDate>Wed, 29 Aug 2012 15:32:22 +0000</pubDate>
		<guid isPermaLink="false">http://www.habitablezone.com/?p=20969#comment-17810</guid>
		<description>You need a CO2 alarm?  Take ER along with you. ;)</description>
		<content:encoded><![CDATA[<p>You need a CO2 alarm?  Take ER along with you. <img src='https://habitablezone.com/wp-includes/images/smilies/icon_wink.gif' alt=';)' class='wp-smiley' /> </p>
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