[Stoves] Patio Heater Conversion was Re: [biochar] TLUD fired BBQs & pizza oven

Tue Nov 20 19:21:09 CST 2012

Hi Paul,

I don’t think this patio heater idea is something worth perusing.   Most of
the heat produced rises to the heavens and a portion is radiated downward to
provide some warmth.  A much better way to heat people outdoors is having
the heater as low as possible.  A small TLUD positioned under a table, if
the is sufficient leg room, provides much more efficient heating.  I
collected the patio heaters from the recycle yard for their components,
particularly the stainless steel barrel housings and the hood.  I will be
making dual-walled, insulated barrels with them to replace my 100 Lt drums.
They will look better and last longer.  I think the hoods are also useful to
direct smoke and exhaust gases into a flue and away.

Even though my patio heater mod reached respectable temperatures, because of
the greater the chimney height, the reactor can which would normally burn
for an hour, lasted 40 mins or so.

Hans

From: biochar at yahoogroups.com [mailto:biochar at yahoogroups.com] On Behalf Of
Paul Anderson
Sent: Tuesday, 20 November 2012 11:16 PM
To: biochar at yahoogroups.com
Cc: Erich Knight; se-biochar at googlegroups.com; Discussion of biomass cooking
stoves; Hugh McLaughlin; Bob Fairchild; James S. Schoner; Doc Anderson
Subject: Patio Heater Conversion was Re: [biochar] TLUD fired BBQs & pizza
oven

Dear Erich and Hans and all,    and jss

Use of a TLUD for a patio heater is very interesting, and raises many
questions.   I hope that this new thread /Subject can stick to this topic
and that ...

1.   GOAL:    collectively we can devise a practical patio heater product
with a TLUD as the heat source.  

2.  But there are at least 2 Listservs involved, so it could easily split.
I will discuss with my webmaster James about having summary information
placed on my   www.drtlud.com   website.   (I do not want to have the
interactive discussions there in the comments sections.)

3.  The summary of what has already been communicated is in Erich's comments
and Hans' photos (we will want to pull out the 4 photos that are numbers
0186, 0187, 0188, and 0192 .)

On 11/19/2012 8:56 PM, Erich Knight wrote:

Hi Paul,

The Patio heater conversion is in the same photo stream as the Weber Kettle
TLUD, that Hans posted.
I had only posted the picture of the stainless steel patio heater
previously, not the exploded view with the stainless steel cook pot and wire
mesh & chimney replacing the propane gas cylinder. 
So now I am keeping an eye out for a damaged Patio heater. I imagine that
the photo showing 500°C is considerably more than what the propane puts out.

http://www.flickr.com/photos/cheap-thrillz/8034974018/in/set-721576294349812
97/

Erich

Also important is the address for Hans

Hans Erken <hans at earthcare.com.au>

              Some questions:   
4.  Is there a door for inserting and removing the TLUD?  

5.   How well does it actually heat?  And in comparison with the LPG /
Propane versions that have more radiant heating, I believe.

6.   Costs and durability, etc.

I hope that some readers and their friends will study this.    If
interested, please speak up so that we can identify who could be looking
into this topic.        (I am headed to Uganda on Sunday for 3 weeks and I
will not be able to do much except to read the messages and send some
comments.)

Paul

Paul S. Anderson, PhD  aka "Dr TLUD"
Email:  psanders at ilstu.edu   Skype: paultlud  Phone: +1-309-452-7072
Website:  www.drtlud.com

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