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    Rebecca,<br>
    <br>
    I agree with Ron that it is a very good video.  I am very glad to
    see your accomplishments.<br>
    <br>
    My comments are intended to be constructive.  <br>
    <br>
    1.  Your fire is a bit high.   That indicates some leakage of
    primary air.   I suspect that it is where the can is sitting on the
    hollow brick, not at the primary air entrance that you correctly
    cover with sand.   Check all around.   Put sand around the base of
    the metal can.   You can also try moist sand.    Please let me know
    your results (because I am still learning).<br>
    <br>
    2.  Have you experimented with slighly smaller diameter of the
    concentrator hole in the top of the metal can?<br>
    <br>
    3.  Also, a few more inches of height between the concentrator top
    and the bottom of the pot would allow for more time for more
    turbulence.   <br>
    <br>
    4.  Additional photos or videos from other angles and of the
    individual part would be useful.<br>
    <br>
    In general, fabulous work.   I suspect that you will find further
    ways to improve the results.   Some ways will be beneficial.  
    Others will be good but not worth incorporating.   <br>
    <br>
    Looking forward to hearing more of your activities with TLUD
    combustion.<br>
    <br>
    Paul<br>
    <br>
    <br>
    <pre class="moz-signature" cols="72">Doc  /  Dr TLUD  /  Prof. Paul S. Anderson, PhD
Email:  <a class="moz-txt-link-abbreviated" href="mailto:psanders@ilstu.edu">psanders@ilstu.edu</a>
Skype:   paultlud    Phone: +1-309-452-7072
Website:  <a class="moz-txt-link-abbreviated" href="http://www.drtlud.com">www.drtlud.com</a></pre>
    <div class="moz-cite-prefix">On 2/16/2017 4:23 PM, Ronal W. Larson
      wrote:<br>
    </div>
    <blockquote
      cite="mid:BD7EF802-D109-41F4-9AC9-AC3230AB38A1@comcast.net"
      type="cite">
      <meta http-equiv="Content-Type" content="text/html;
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      <div class="">Rebecca  cc stoves</div>
      <div class=""><br class="">
      </div>
      <div class=""><span class="Apple-tab-span" style="white-space:pre">     </span>1.
         Yours is maybe the best video on a TLUD that I have seen.  </div>
      <div class=""><br class="">
      </div>
      <div class=""><span class="Apple-tab-span" style="white-space:pre">     </span>2.
         Can you say a bit more on the response of the cook or cooks
        shown in the video, to using a TLUD vs traditional approaches?</div>
      <div class=""><br class="">
      </div>
      <div class=""><span class="Apple-tab-span" style="white-space:pre">     </span>3.
         I have plenty more questions.   Any restrictions on what you
        are able to say?</div>
      <div class=""><br class="">
      </div>
      <div class=""><span class="Apple-tab-span" style="white-space:pre">     </span>4.
         The Geres site is <a moz-do-not-send="true"
href="http://www.stoveplus.org/en/news-project/project/stoveplus-academy-2017-4th-edition-in-the-philippines"
          class="">http://www.stoveplus.org/en/news-project/project/stoveplus-academy-2017-4th-edition-in-the-philippines</a>.
         Looks wonderful!   I will next see if I can afford the airfare.
         (4 days off)</div>
      <div class=""><br class="">
      </div>
      <div class="">Ron</div>
      <div class=""><br class="">
      </div>
      <div class="">ps  I met Rebecca at Aprovecho a few years back -
        and never heard any inkling of this marvelous new approach -
        which probably has an incremental (not total) cost of less than
        $2.00 - maybe $1.00</div>
      <div class=""><br class="">
      </div>
      <br class="">
      <div>
        <blockquote type="cite" class="">
          <div class="">On Feb 16, 2017, at 10:08 AM, Rebecca A. Vermeer
            <<a moz-do-not-send="true"
              href="mailto:ravermeer@telus.net" class="">ravermeer@telus.net</a>>
            wrote:</div>
          <br class="Apple-interchange-newline">
          <div class="">
            <div class="">
              <div style="font-family: arial, helvetica, sans-serif;
                font-size: 12pt;" class="">
                <div class="">Dear Paul and All,<br class="">
                </div>
                <div class="">I am very pleased with this stove and
                  happy to share.  I am presenting this stove at Geres'
                  Stoveplus Academy 2017  on Feb 20-25 in Iloilo, Panay
                  Island, Philippines.  The venue is at Central
                  Philippines University. <br data-mce-bogus="1"
                    class="">
                </div>
                <div class=""><br data-mce-bogus="1" class="">
                </div>
                <div class="">Regards,<br data-mce-bogus="1" class="">
                </div>
                <div class="">Rebecca<br data-mce-bogus="1" class="">
                </div>
                <div class=""><br data-mce-bogus="1" class="">
                </div>
                <div class=""><br class="">
                </div>
                <hr id="zwchr" data-marker="__DIVIDER__" class="">
                <div data-marker="__HEADERS__" class=""><b class="">From:
                  </b>"Rebecca Vermeer via YouTube" <<a
                    moz-do-not-send="true"
                    href="mailto:noreply@youtube.com" class="">noreply@youtube.com</a>><br
                    class="">
                  <b class="">To: </b>"REBECCA VERMEER" <<a
                    moz-do-not-send="true"
                    href="mailto:ravermeer@telus.net" class="">ravermeer@telus.net</a>><br
                    class="">
                  <b class="">Sent: </b>Thursday, February 16, 2017
                  8:49:05 AM<br class="">
                  <b class="">Subject: </b>Rebecca Vermeer sent you a
                  video: "Cooking Performance of Eco-Kalan Tincan TLUD
                  Stove"<br class="">
                </div>
                <div class=""><br class="">
                </div>
                <div data-marker="__QUOTED_TEXT__" class="">Rebecca
                  Vermeer sent you a video: "Cooking Performance of
                  Eco-Kalan Tincan TLUD Stove"
                  <div class="">
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                                  <td class="" height="16"><br>
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                                  <td class="" align="left"
                                    bgcolor="#ffffff">
                                    <div style="border: 1px solid
                                      rgb(204, 204, 204); border-image:
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                                      solid #CCCCCC;" class="">
                                      <table class="" align="center"
                                        border="0" cellpadding="0"
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                                            <td colspan="3" class=""
                                              height="22"><br>
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                                            <td class="" width="40"><br>
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                                            <td class="" width="498">
                                              <div style="font-family:
                                                arial,Arial,sans-serif;"
data-mce-style="font-family: arial,Arial,sans-serif;" class="">
                                                <table class=""
                                                  border="0"
                                                  cellpadding="0"
                                                  cellspacing="0">
                                                  <tbody class="">
                                                    <tr class="">
                                                      <td class=""
                                                        align="left"
                                                        bgcolor="#ffffff"
                                                        width="50"><img
moz-do-not-send="true"
src="https://yt3.ggpht.com/-5fWsPsnBIrg/AAAAAAAAAAI/AAAAAAAAAAA/HQaGy6-BrYc/s50-c-k-no-mo-rj-c0xffffff/photo.jpg"
                                                          class=""
                                                          height="50"
                                                          width="50"></td>
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                                                        width="16"><br>
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                                                        <div
                                                          style="color:
                                                          rgb(51, 51,
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                                                          line-height:
                                                          24px;
                                                          font-family:
                                                          arial,Arial,sans-serif;
                                                          font-size:
                                                          18px;"
                                                          data-mce-style="font-family:
arial,Arial,sans-serif; font-size: 18px; color: #333333; line-height:
                                                          24px;"
                                                          class=""><a
                                                          moz-do-not-send="true"
                                                          style="color:
                                                          rgb(28, 98,
                                                          185);
                                                          text-decoration:
                                                          none;"
href="https://www.youtube.com/attribution_link?a=3sM1aOZWNNY&u=/user/ecokalan%3Ffeature%3Dem-share_video_user"
target="_blank" data-mce-style="text-decoration: none; color: #1c62b9;"
data-mce-href="https://www.youtube.com/attribution_link?a=3sM1aOZWNNY&u=/user/ecokalan%3Ffeature%3Dem-share_video_user"
                                                          class="">Rebecca
                                                          Vermeer</a>
                                                          has shared a
                                                          video with you
                                                          on YouTube</div>
                                                      </td>
                                                    </tr>
                                                  </tbody>
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                                                  style="border-bottom-color:
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                                                  data-mce-style="border-bottom:
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                                                  cellpadding="0"
                                                  cellspacing="0">
                                                  <tbody class="">
                                                    <tr class="">
                                                      <td class=""
                                                        height="22"><br>
                                                      </td>
                                                    </tr>
                                                  </tbody>
                                                </table>
                                                <table class=""
                                                  border="0"
                                                  cellpadding="0"
                                                  cellspacing="0">
                                                  <tbody class="">
                                                    <tr class="">
                                                      <td class=""
                                                        width="498"><a
                                                          moz-do-not-send="true"
class="nonplayable" style="text-decoration: none; display: block;"
href="https://www.youtube.com/attribution_link?a=3sM1aOZWNNY&u=/watch%3Fv%3DTsX0OJoyKhw%26feature%3Dem-share_video_user"
target="_blank" data-mce-style="text-decoration: none; display: block;"
data-mce-href="https://www.youtube.com/attribution_link?a=3sM1aOZWNNY&u=/watch%3Fv%3DTsX0OJoyKhw%26feature%3Dem-share_video_user">
                                                          <img
                                                          moz-do-not-send="true"
src="https://i.ytimg.com/vi/TsX0OJoyKhw/mqdefault.jpg" class=""
                                                          height="274"
                                                          width="498"> </a></td>
                                                    </tr>
                                                  </tbody>
                                                </table>
                                                <table class=""
                                                  border="0"
                                                  cellpadding="20"
                                                  cellspacing="0">
                                                  <tbody class="">
                                                    <tr class="">
                                                      <td class=""
                                                        width="498">
                                                        <div
                                                          style="color:
                                                          rgb(51, 51,
                                                          51);
                                                          line-height:
                                                          20px;
                                                          font-family:
                                                          arial,Arial,sans-serif;
                                                          font-size:
                                                          15px;
                                                          font-weight:
                                                          bold;"
                                                          dir="ltr"
                                                          data-mce-style="font-family:
arial,Arial,sans-serif; font-size: 15px; color: #333333; line-height:
                                                          20px;
                                                          font-weight:
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                                                          class="">Cooking
                                                          Performance of
                                                          Eco-Kalan
                                                          Tincan TLUD
                                                          Stove</div>
                                                        <div
                                                          style="color:
                                                          rgb(153, 153,
                                                          153);
                                                          line-height:
                                                          20px;
                                                          font-family:
                                                          arial,Arial,sans-serif;
                                                          font-size:
                                                          13px;"
                                                          data-mce-style="font-family:
arial,Arial,sans-serif; font-size: 13px; color: #999999; line-height:
                                                          20px;"
                                                          class="">by <a
moz-do-not-send="true" style="color: rgb(153, 153, 153); line-height:
                                                          20px;
                                                          font-family:
                                                          arial,Arial,sans-serif;
                                                          font-size:
                                                          13px;
                                                          text-decoration:
                                                          none;"
href="https://www.youtube.com/attribution_link?a=3sM1aOZWNNY&u=/user/ecokalan%3Ffeature%3Dem-share_video_user"
target="_blank" data-mce-style="font-family: arial,Arial,sans-serif;
                                                          font-size:
                                                          13px; color:
                                                          #999999;
                                                          line-height:
                                                          20px;
                                                          text-decoration:
                                                          none;"
data-mce-href="https://www.youtube.com/attribution_link?a=3sM1aOZWNNY&u=/user/ecokalan%3Ffeature%3Dem-share_video_user"
                                                          class="">Rebecca
                                                          Vermeer</a></div>
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                                                    </tr>
                                                  </tbody>
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                                                <table class=""
                                                  border="0"
                                                  cellpadding="0"
                                                  cellspacing="0">
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                                                    <tr class="">
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                                                      </td>
                                                    </tr>
                                                  </tbody>
                                                </table>
                                                <table class=""
                                                  border="0"
                                                  cellpadding="0"
                                                  cellspacing="0">
                                                  <tbody class="">
                                                    <tr class="">
                                                      <td class=""
                                                        width="498">
                                                        <div
                                                          style="color:
                                                          rgb(51, 51,
                                                          51);
                                                          line-height:
                                                          20px;
                                                          font-family:
                                                          arial,Arial,sans-serif;
                                                          font-size:
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                                                          dir="ltr"
                                                          data-mce-style="font-family:
arial,Arial,sans-serif; font-size: 13px; color: #333333; line-height:
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                                                          class="">Cooking
                                                          Performance of
                                                          Eco-Kalan
                                                          Tincan TLUD
                                                          Stove<br
                                                          class="">
                                                          ...</div>
                                                      </td>
                                                    </tr>
                                                  </tbody>
                                                </table>
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                                            <td class="" width="40"><br>
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                                              height="22"><br>
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                                  <td class="" align="center">
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                                              Ave, San Bruno, CA 94066</div>
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                  </div>
                  <div class=""><img moz-do-not-send="true"
                      class="open_tracking_img"
src="https://www.youtube.com/attribution_link?a=3sM1aOZWNNY&u=/gen_204"
                      height="1" width="1"></div>
                  <div class=""><br class="">
                  </div>
                </div>
              </div>
            </div>
            _______________________________________________<br class="">
            Stoves mailing list<br class="">
            <br class="">
            to Send a Message to the list, use the email address<br
              class="">
            <a moz-do-not-send="true"
              href="mailto:stoves@lists.bioenergylists.org" class="">stoves@lists.bioenergylists.org</a><br
              class="">
            <br class="">
            to UNSUBSCRIBE or Change your List Settings use the web page<br
              class="">
<a class="moz-txt-link-freetext" href="http://lists.bioenergylists.org/mailman/listinfo/stoves_lists.bioenergylists.org">http://lists.bioenergylists.org/mailman/listinfo/stoves_lists.bioenergylists.org</a><br
              class="">
            <br class="">
            for more Biomass Cooking Stoves,  News and Information see
            our web site:<br class="">
            <a class="moz-txt-link-freetext" href="http://stoves.bioenergylists.org/">http://stoves.bioenergylists.org/</a><br class="">
            <br class="">
          </div>
        </blockquote>
      </div>
      <br class="">
      <br>
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      <br>
      <pre wrap="">_______________________________________________
Stoves mailing list

to Send a Message to the list, use the email address
<a class="moz-txt-link-abbreviated" href="mailto:stoves@lists.bioenergylists.org">stoves@lists.bioenergylists.org</a>

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for more Biomass Cooking Stoves,  News and Information see our web site:
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</pre>
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