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This is a badge bit (BB) that is part of the PEP curriculum. Completing this BB is part of getting the sand badge in Rocket.

This BB requires you to start and operate a j-tube rocket mass heater for one hour. You are not required to build your own rocket mass heater but you will need access to one. The j-tube rocket mass heater used for this BB must be a different one from the rocket mass heater used to complete the first Start and Operate J-Tube Rocket Mass Heater BB. Otherwise, this BB is the same as the first one.

The following video will help you with the task of starting a j-tube rocket mass heater and operating it.



From the video description:

Ernie Wisner is going to show you the proper way of starting a rocket mass heater.  He explains what the process entails as he goes about the task.  First he explains that the heat riser and chimney need to be warmed up by lighting some paper balls and some small dry kindling wood.  He adds kindling to the wood feed and once it's well lit, he explains that these stoves work best when they are well fed and full of dry wood.

It takes about a minute and thirty seconds to get the stove lit, then Ernie talks for a bit about the bypass system that this particular stove has, which allows it to be exhausted out of the roof or through a chimney exiting through the wall.  He then goes on to explain the signs of a good burn and what kinds of temperatures you can expect from a system like this one.  Ernie is tinkering with the stove as it's still new and he makes some minor adjustments and explains how there's a breaking-in process for a new rocket mass heater.  

Once the heater is all warmed up, Ernie takes a look outside at the chimney where there is no evidence of smoke, telling him that the rocket mass heater is performing the way it should be.  It's burning clean!



How to Certify That Your BB is Completed
  - Post a reply to this thread with the following 5 pictures
       o pic (or 2) showing the 1st and 2nd rocket mass heaters to clearly show that you used 2 different rocket mass heaters.
       o pic of starting materials before fire
       o pic of fire started
       o pic of additional wood added
       o pic of more additional wood added
COMMENTS:
 
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Hot showers!! Here are my pics
IMG_20190520_134241552.jpg
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First j-tube
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Second j-tube
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Material to burn
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First load
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Second load
Staff note (Dave Burton):

I hereby certify this BB as complete!

 
Daryl Pierce
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The showers ended up being too hot and I blew a hose. Sorry guys and gals
 
pollinator
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Part A: showing the RMH for hot showers here at PEP1. Great system, just needs some forethought... if you want hot showers at 6pm, fire it up about 4:30 and you’ll be golden (and clean!)
A0143C18-1DEF-41DA-9FD4-7AAEDFBCE715.jpeg
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RMH in Paul’s shop
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RMH for hot shower water!
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Kindling
 
Leif Ing
pollinator
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Part B: the RMH started, then two shots with more wood added.
0A4319FD-F030-4EF5-A0E9-C70EC50BCED2.jpeg
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Primed and kindling started
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More wood
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Last photo
Staff note (paul wheaton):

I certify this BB is complete!

 
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Location: Northern Wisconsin
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First was RMH in the Fisher Price House, second was in the Library. Fisher Price House RMH is discernible in first pic from the copper colored stainless steel barrel and the large rocks.  Library RMH can be clearly seen from the materials staging pic.
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The 1st and 2nd RMHs to clearly show that you used 2 different RMHs
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Library - Starting materials before fire
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Library - Fire started
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Library - Additional wood added
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Library - More additional wood added
Staff note (paul wheaton):

I certify this BB is complete!

 
steward
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This is the j-tube RMH I used for the first BB; it was the RMH in the Fisher Price House.



This is the second J-tube rocket mass heater that I started and operated for an hour for this BB. This is the J-tube RMH in The Shop at Basecamp.



These are the starting materials I used to warm the heat riser and some wood I cut to size.



These are the starting materials in the RMH before I started the fire.



These are the starting materials after I started the fire.



This is the first load of wood that I put in.



This is the second load of wood that I put in.



This is the third load of wood that I put in.

Staff note (Mike Haasl):

I hereby certify this BB complete!

 
gardener
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Location: Denver, 6a / BSk, rental house dweller, going back to Wheaton Labs soon
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At the 2019 PEP Jamboree, I had rackets in my jackets, and Rockets in my.... Nevermind.

In spite of that, Fred was nice enough to drive me up to the Lab so I could run some rockets, including the J-tube RMH in Cooper Cabin.

The first J-RMH I ran was in the Fisher Price house. So, I guess that makes this one my Rocket mistress?
IMG_20191007_155800.jpg
Cooper Cabin JtRMH: Starting material before fire
Cooper Cabin JtRMH: Starting material before fire
IMG_20191007_161736.jpg
Fire started
Fire started
IMG_20191007_162048.jpg
More Wood!
More Wood!
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More Wood!!
More Wood!!
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Fisher Price JtRMH. Don't worry, it meant nothing... I like you better, really!
Fisher Price JtRMH. Don't worry, it meant nothing... I like you better, really!
Staff note (Mike Haasl):

I certify this BB complete!

 
After some pecan pie, you might want to cleanse your palatte with this tiny ad:
Learn Permaculture through a little hard work
https://wheaton-labs.com/bootcamp
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