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--- hvac:heating [2021/03/17 23:01]
frater_secessus
+++ hvac:heating [2021/09/25 11:26]
frater_secessus [white gas heating] removed coleman
@@ Line 63: / Line 63: @@
   * [[https://amzn.to/2t7wCjx|superfastracing]] recommended by likesweirdthings((https://www.reddit.com/r/VanLife/comments/e9ptvk/i_bought_myself_a_promaster_and_the_next_steps/famw6ja/))
-==== white gas heating ====
-White gas, sold as Coleman camp fuel, was a common heating/cooking/lantern fuel until the relatively recent ascendance of propane.((which old fettlers refer to as "profane"))  Propane is probably safer for generations who did not grow up camping with stoves, pocketknives, et.c  Part of it is safety, and part is that the gear just isn't made anymore.
-Coleman fuel gear has relatively little smell while running at temperature, but **start-up and shut-down can create fumes and intense odors**. Those activities should be done outdoors.
-=== catalytic ===
-{{ https://i.ebayimg.com/thumbs/images/g/RbMAAOSw-0BeFJaj/s-l225.jpg}}Catalytic heaters were common in the 60s-70s and can be found at garage sales, thrift shops, or ebay. [[https://www.campingforums.com/forum/showthread.php?6373-Easy-to-fix-old-Coleman-catalytic-heaters&p=31193&viewfull=1#post31193|Repair instructions]].
-  * dome-shaped heaters like the 513-700 (3,000-5,000 btu) pictured here, 512A708 (3500 btu, [[https://i.ebayimg.com/thumbs/images/g/IhgAAOSwBm9eHMq~/s-l225.jpg|pic]], [[http://www.oldtowncoleman.com/manuals/512A.pdf|manual]])
-  * block-shaped heater 513A (3,000-5,000 btu) ([[https://i.ebayimg.com/thumbs/images/g/uXgAAOSwXq5eJEos/s-l225.jpg|pic]])
-=== flame ===
-[[https://www.ebay.com/sch/i.html?LH_CAds=&_ex_kw=&_fpos=&_fspt=1&_mPrRngCbx=1&_nkw=coleman+heat+drum&_sacat=&_sadis=&_sop=12&_udhi=&_udlo=&_fosrp=1&mkrid=711-53200-19255-0&siteid=0&mkcid=1&campid=5338647285&toolid=10001&customid=&mkevt=1|Heat drums]] were made for some Coleman stoves.
 ==== candle ====
@@ Line 165: / Line 146: @@
 You can also DIY heated gear with [[http://carbonheater.us/|carbon heat strips]].
+Note:  a quirk of electric heating is that the heaters typically don't run at varying power levels for varying heat levels; they vary the ON/OFF duty cycle.  So maybe 100% duty cycle at 100w on HI (average 100w) and 10% duty cycle at 100w on LO -- on for one second and off for 9 seconds (average 10w).  For this reason you may not be able to run a 300w electric blanket on LO (30w average) from a 200w [[electrical:inverter|inverter]].
 ===== comparison =====

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