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Woodstove development using rocketstove technology
 
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diesel-man



Posts : 3
Join date : 2015-11-30
Location : NC

PostSubject: Newest New Member   Fri Dec 04, 2015 11:21 am

Great place to find....people thinking of Rocket Stoves as heaters, Was "cruzin" on Youtube looking for ideas for a big rocket stove.

I'm trying to come up with an idea for a R.S. so that I don't have to make one about a dozen times. I know that, that is taking the fun out of it, but maybe I'm getting lazy...as time goes by. Anyhow, my thoughts are a 6" box tube (1/4" thick or so) inside of a discarded 100 LB propane tank, (perlite, vermiculite, or the latest, next best insulation) between the 6" box tube and 100 Lb tank....all inside of a 420 LB propane tank. A 55 gallon drum for the outer skin seems too lite, yet a 420 LB tank is overkill....I'm thinking a 6" exhaust for the chimney....that happens to be what I have. Being that laziness thing is going on, I can't sit next to the RS all night to feed it every half hour, so I need to incorporate a "batch box" on it, and I need to have something for secondary air.

I've spent a lot of armchair hours researching this...YT, permies, here, the "internet" (bonjour) and am trying to save myself from reinventing the wheel. So if ya'll could save me some trouble, with your collective "years of experience", should I be looking:

1) thicker steel, or stainless steel box tube...or for the long term, just go to firebrick/masonry design?

2) what happens long term to the "J" part of the hottest section of the rocket stove over time?

3) chimney (6" box tube...inside the 100 Lb propane tank) needs to be about 2" below the outer skin (270 or 420 LB propane tank) Question is: Can the outer skin (420 LB tank) be too big? (in diameter, for the system to work properly)? How about overall (inside height)?

4) Is 6" square box tube the right size to use with a 6" round stove pipe? Could I go larger? Maybe rectangle  6"x8" (horizantal)to 6" square? (verticle)

Using all heavy metal, I realize it would take nearly an hour to heat up, to fry eggs on the top of the 420 tank...? I know that a race car, or an AR15 is just "begging" to be "tinkered" with, but I'm not wanting to redesign it 5 times.  My 25'+ chimney is a 13"x13" (measures 11x11 inside) but has a 6" thimble...original owner can be thanked for that....I wish it was 8". Overbuilt like this, can I hand it down to my Grandkids....?

Years ago...I had a regular wood stove with a glass door, no firebrick, and between me and it....it was the creosote master...Then I had a Central Boiler outdoor wood boiler, which was the cats meow...but I cannot own a stove like the new ones that have all those sensors and gadgets to make upside-down fire.

It is OK if every reply starts off with: Well, If I was you________
Thanks in advance   Very Happy


Hey drj12567: it said today was your birthday, so have a great one! From another "tarheel"... rendeer


Last edited by diesel-man on Fri Dec 04, 2015 4:58 pm; edited 1 time in total
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gadily
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Posts : 1410
Join date : 2013-12-08

PostSubject: Re: Newest New Member   Fri Dec 04, 2015 11:50 am

hi and welcome to the forums diesel man

i think it maybe best looking at this one

http://woodstoves.forumotion.co.uk/t554-latest-workshop-heater

im keeping the round back myself but have done some changes to my own build

oh and if that 6mm metal bows like that then it can boil kettles often

the boilers i have an interest in them and have some plans found on youtube infact was building one until the trouble i got at moment

as goes for sensors and gadgets they are freely planed now for peoples usage who want to make there own up

oh and that wittus twinfire can easily be made up from steel
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drj12567



Posts : 7
Join date : 2015-10-06
Age : 60
Location : Advance, North Carolina USA

PostSubject: Re: Newest New Member   Sat Dec 05, 2015 1:54 am

cheers Hello Diesel-Man
Thanks for the birthday wishes, 59 and climbiing dont like it  to much thats life make the most of  it  that I will.  Welcome to the rocket stove forum Diesel. If I  may ask what part of NC you from?
                                          From 1 Tarheel To Another Have a Great Day Diesel-Man.
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diesel-man



Posts : 3
Join date : 2015-11-30
Location : NC

PostSubject: Re: Newest New Member   Sat Dec 05, 2015 2:54 am

drj12567 wrote:
cheers Hello Diesel-Man
Thanks for the birthday wishes, 59 and climbiing dont like it  to much thats life make the most of  it  that I will.  Welcome to the rocket stove forum Diesel. If I  may ask what part of NC you from?
                                          From 1 Tarheel To Another Have a Great Day Diesel-Man.

Weeze be up hea near da "boonies"  What a Face  from W.S. Them fine folk at the local funeral home, suggest havin all the birthdays ya can, an while yer at it, "pick" a spot that idn't like a blast furnace, to spend all of eternity....I'm thinkin as that could be important in the long run...

Ya know, grammre an spellin ain't all that...  
study
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gadily
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Posts : 1410
Join date : 2013-12-08

PostSubject: Re: Newest New Member   Sat Dec 05, 2015 7:18 am

hey you 2 im now curious nagging between yourselves on an open forum sounds like yu guys know one another quite well


drj its only one year older than it was before pmsl
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diesel-man



Posts : 3
Join date : 2015-11-30
Location : NC

PostSubject: Re: Newest New Member   Sat Dec 05, 2015 9:57 am

gadily wrote:
hey you 2 im now curious nagging between yourselves on an open forum sounds like yu guys know one another quite well


drj its only one year older than it was before pmsl

Never met, emailed or talked to this gentleman...ever. I noticed, that on the member page, his Birthday was the same day that I first posted....and that he is also welder, and that he lives 60-70 miles away. So being the Great Guy that I am....I just had to give him a shout-out...  

Before I first posted...I had read (I think, his initial post) where he had been welding some really hefty beams in a 1 million sq ft building somewheres...so he just sounded interesting.

Unlike the present generation...I have no possible romantic inclination towards him either.... Cool

Anyways...back to our normally scheduled programming....
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