<html><head><meta http-equiv="content-type" content="text/html; charset=us-ascii"></head><body dir="auto"><div>Friends,</div><div><br></div><div>You may find this two year old video of interest, or at least amusing.</div><div><br></div><div><a href="http://www.retn.org/programs/pyrolysis-creating-carbon-negative-energy">http://www.retn.org/programs/pyrolysis-creating-carbon-negative-energy</a></div><div><br></div><div>I have to also admit that I used to use round holes for secondary air. I ended up using three clusters of holes, with holes at at least three levels, with the clusters 120 degrees apart. I got good results from this approach. </div><div><br></div><div>Here is a photo of an iCan made from two Costco coffee cans being used to cook eggs and bacon. Please do not be offended if you are vegan. I wanted to show the creation of a typical North American meal on a pyrolytic device.</div><div><br></div><div><img src="cid:4229181F-2F9B-4803-A30D-3C7BCEE45A42" alt="image.jpeg" id="4229181F-2F9B-4803-A30D-3C7BCEE45A42" width="682" height="1023"> </div><div>This stove used a several layers of secondary air holes, one ring went all the way around,</div><div>Note that the larger holes were in clusters of three set 120 degrees apart.</div><div><br></div><div>Cheers,</div><div><br></div><div>Jock</div><div> <br><br><div>Jock Gill</div><div>Marketing & Communications</div><div>Whitfield Biochar, LLC</div><div>Burlington, WA</div><div><a href="http://www.whitfieldbiochar.com">www.whitfieldbiochar.com</a></div><div><br></div><div>Cell: (617) 449-8111</div><div><br></div>Sent from my iPad</div></body></html>