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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
[Thumbnail for IMG_20190520_134241552.jpg]
First j-tube
IMG_20190520_161442223.jpg
[Thumbnail for IMG_20190520_161442223.jpg]
Second j-tube
IMG_20190520_161506364.jpg
[Thumbnail for IMG_20190520_161506364.jpg]
Material to burn
IMG_20190520_162822301.jpg
[Thumbnail for IMG_20190520_162822301.jpg]
First load
IMG_20190520_163357761.jpg
[Thumbnail for IMG_20190520_163357761.jpg]
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
[Thumbnail for A0143C18-1DEF-41DA-9FD4-7AAEDFBCE715.jpeg]
RMH in Paul’s shop
703DF9D8-435E-4744-AE58-F059BCA7FE1F.jpeg
[Thumbnail for 703DF9D8-435E-4744-AE58-F059BCA7FE1F.jpeg]
RMH for hot shower water!
10CD031A-D4E9-4203-8B8D-8235D0FF9057.jpeg
[Thumbnail for 10CD031A-D4E9-4203-8B8D-8235D0FF9057.jpeg]
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
[Thumbnail for 0A4319FD-F030-4EF5-A0E9-C70EC50BCED2.jpeg]
Primed and kindling started
86AFA3B7-7FE7-4FC9-A93D-8D730110CFB8.jpeg
[Thumbnail for 86AFA3B7-7FE7-4FC9-A93D-8D730110CFB8.jpeg]
More wood
FB349B57-F241-4E18-8B1F-FB4E3A1B6015.jpeg
[Thumbnail for FB349B57-F241-4E18-8B1F-FB4E3A1B6015.jpeg]
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.
The-1st-and-2nd-RMHs-to-clearly-show-that-you-used-2-different-RMHs.jpg
The 1st and 2nd RMHs to clearly show that you used 2 different RMHs
The 1st and 2nd RMHs to clearly show that you used 2 different RMHs
Library-Starting-materials-before-fire.jpg
Library - Starting materials before fire
Library - Starting materials before fire
Library-Fire-started.jpg
Library - Fire started
Library - Fire started
Library-Additional-wood-added.jpg
Library - Additional wood added
Library - Additional wood added
Library-More-additional-wood-added.jpg
Library - More additional wood added
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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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!
IMG_20191007_171922.jpg
More Wood!!
More Wood!!
IMG_20191005_121845.jpg
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!

 
master steward
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I started my second J tube RMH today in the library!  The first one I did was in the Red Cabin:  1st J tube BB
Starting-materials.jpg
Starting materials
Starting materials
Fire-started.jpg
Fire started
Fire started
Same-pic-no-flash.jpg
Same pic, no flash
Same pic, no flash
More-wood-added.jpg
More wood added
More wood added
Even-more-wood-added.jpg
Even more wood added
Even more wood added
Backed-up-view-of-the-library-RMH-as-I-was-winding-down.jpg
Backed up view of the library RMH as I was winding down
Backed up view of the library RMH as I was winding down
Staff note (jordan barton) :

I hereby certify this badge bit complete!

 
pollinator
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I’m cozying up the Red Cabin by operating the new tiny rmh.
DE0FA30F-D345-4716-881A-6A1A489CB8AF.jpeg
materials for starting
materials for starting
80E4048B-9801-480E-A9C1-D6F06D669FE6.jpeg
Priming the riser.
Priming the riser.
CAC45EF6-4EB3-48F5-AD82-6C3752ECA088.jpeg
Kindling.
Kindling.
F2173B0B-B778-40B1-808E-4BC4D6223919.jpeg
Wood added.
Wood added.
263800C9-9E90-40BF-B499-9B0406E1292A.jpeg
More wood added.
More wood added.
Staff note (jordan barton) :

I hereby certify this badge bit complete!

 
pioneer
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Here is my submission for the Rocket - Sand - Start and Operate a Different J-Tube Rocket Mass Heater BB.

The first RMH I started lives in the Library at Wheaton Labs.  The second is the Minnie Mouse in the Love Shack.  The Minnie Mous has all the mass stored in the barrel and takes a while to heat up unlike other units with mass benches and ducting.

To document the completion of the BB, I have provided the following:
       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 starting the fire
       o pic of fire started
       o pic of additional wood added
       o pic of more additional wood added
0-Library-Chimney.JPG
The RMH Library Chimeny - 8" with a mass bypass valve
The RMH Library - 8-in chimney and mass bypass valve
1-Minnie-Mouse.JPG
The RMH Minnie Mouse - 4" chimney and no mass bench
The RMH Minnie Mouse - 4-in chimney and smaller footprint
2-Starting-materials.JPG
The Starting Materials
The Starting Materials
3.JPG
The Fire is Lit
The Fire is Lit
4-adding-wood-735.JPG
Adding wood at 7:35 pm
Adding wood at 7:35 pm
5-adding-wood.JPG
Adding wood at 8:07
Adding wood at 8:07
6-adding-wood.JPG
adding wood at 9:06
adding wood at 9:06
Staff note (Mike Haasl) :

I certify this BB complete!

 
There is no greater crime than stealing somebody's best friend. I miss you tiny ad:
Call for Instructors for the 2021 RMH Jamboree!
https://permies.com/wiki/149908/Call-Instructors-RMH-Jamboree
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