Solar hot air balloon

<body> <table width="100%"> <col width="126"><col width="130"><col width="0*"><col width="53"><col width="53"> <tr> <td> <h3>last changed :<br> 02/ 08/ 2011<br>  <br>  <br> 25 english pages only ! </h3> </td> <td><img src="images/new.gif" width="100" height="70" alt="new" align="right"> </td> <td> <h6> - See the <a href="http://groups.yahoo.com/group/solarballoons" target="_blank">solarballoons group</a>. It's animated from Dwight S. (Ohio - USA)<br> - See the new WEB site :<a href="http://www.starfield-balloons.com/" target="_blank">http://www.starfield-balloons.com/</a><br> and <a href="http://www.solar-balloons.com/" target="_blank">http://www.solar-balloons.com/</a> </h6> </td> <td><a href="en-e-mail.htm"><img src="images/en-e-mail.gif" width="66" height="43" border="0" alt="E-mail" align="right"></a> </td> </tr> </table> <p>A solar balloon is an <a href="en-presentation.htm">ultralight hot air balloon</a> that only uses <a href="en-theorie1.htm#en-rayonnement-thermique">heat radiation from the sun</a> to provide lift. <a href="essais.htm" title="Essais des ballons solaires">Experimental technique</a> nowadays, this innovative technique can be used for tethered or free flight, for recreational flying or other uses. The envelope is built from a <a href="fournitures.htm#polyethylene" title="Fournitures et coûts pour le Ballon Solaire">black polyethylene plastic film 13-15 or 20 microns</a> absorbs incident solar energy.</p> <p>A <a href="en-ballon4m.htm">small solar balloon 4 meters in diameter</a> can lift 2 kg weight, one of 11 meters diameter can lift 55 kg, one of <a href="fabrication14m.htm" title="Fabrication du ballon solaire de 14,5m de diamètre">14.5 meters diameter</a> can lift 120 kg, etc.....</p> <table width="100%"> <col width="22%"><col width="1*"><col width="22%"><col width="1*"><col width="28%"><col width="1*"><col width="25%"> <tr> <td> <div align="center"> <img src="images/pif.jpg" width="159" height="222" alt="miniballon"> </div> </td> <td>    </td> <td> <div align="center"> <img src="images/miniballon3petit.jpg" width="152" height="238" alt="miniballon"> </div> </td> <td>    </td> <td> <div align="center"> <img src="images/4mter.jpg" width="160" height="286" alt="petit ballon solaire"> </div> </td> <td>    </td> <td> <div align="center"> <img src="images/01-09-27-1-petit.jpg" width="190" height="320" alt="grand ballon solaire"> </div> </td> </tr> <tr> <td> <div align="center">The <a href="saucisse.htm" title="Fabrication et utilisation du dirigeable solaire">"dirigeable solaire"</a>, on the model of the one sold by "Pif Gadget" in June 1982 : </div> <p>a cylinder 3m long, 3m circumference ; that was about 95cm diameter.<br> It had quite a success on the beaches during the 1982 summer !</p> <p>A very simple balloon...</p> <div align="center"><h4>it fly !</h4></div> <p> </p> <p><a href="pif1.htm" title="Pif Gadget de Juin 1982">Pif Gadget</a> (in french) : 8 pages scanned from the June 1982 special edition.</p> </td> <td>    </td> <td> <div align="center"> <h4>The smallest solar balloon!<br> Built with black plastic trash bags!</h4> <h3>It lift 80 grams!</h3> <h4>Build it in your living-room !</h4> </div> <p> </p> A <a href="en-miniballon.htm">solar mini-balloon</a> can be built and used by childrens.<br> It can be made in your living-room with everyday materials : adhesive tape, black plastic trash bags, scissors, etc....<br> It will demonstrate the possible use of the sun's energies ! </td> <td>    </td> <td> <p> </p> <p>A <a href="en-ballon4m.htm">small diameter solar balloon</a> can be used :</p> <ul> <li>to lift small payload in altitude : scientific measures, instruments, cameras, or test equipment (astronomy clubs, <a href="en-historique6.htm">radio-amateurs</a>, etc.)<br> <ul> <li>To see a flight report (in french) :<br> <a href="ballon-08-06-2000.htm" title="Compte-rendu du vol d'un ballon de l'IEG - Grenoble">Solar Balloon Flight on 8 June 2000</a><br> IEG - Grenoble - St. Martin d'Heres (38), launch by Jean-Paul Yonnet</li> </ul></li> <li>for shows, entertainment activities (holidays center, etc.)</li> <li>as an teaching tool (middle school, high school, college),<br> <ul> <li>To see an actual example (in french) :<br> <a href="http://www.ac-grenoble.fr/cam/montgolf/index.htm" target="_blank"> Infrared hot-air balloon site </a><br> of the College of VOREPPE (Isère) </li> </ul></li> </ul> </td> <td>    </td> <td> <p> </p> <p>A <a href="volhumain.htm" title="Présentation du vol humain en ballon solaire">large diameter solar balloon</a> can be used :</p> <ul> <li>for human flight,</li> <li>to lift heavy payloads in altitude,</li> </ul> <p>Solar balloons used for human flight are fitted with a valve at the top, rotation panels and ballast bags. They can also be fitted with <a href="electropresentation.htm" title="Régulation automatique de l'altitude d'un ballon solaire">automatic altitude regulation</a>, by electronically opening and closing the valve at the top of the balloon .</p> </td> </tr> </table> <p> </p> <p> </p> <h6>This site has been made in HTML 4.01 as defined by the W3C consortium. <br> This site uses CSS version 2 as defined by the W3C consortium. <br> This site uses JavaScript to allow interactivity and dynamic positioning of elements.</h6> <p> <a href="http://validator.w3.org/" target="_blank"> <img src="images/valid-html401.gif" alt="Valid HTML 4.01!" border="0" height="31" width="88"> </a>         <a href="http://jigsaw.w3.org/css-validator/" target="_blank"> <img src="images/vcss.gif" alt="Valid CSS!" height="31" width="88"> </a></p> <script type="text/javascript"> //<![CDATA[ if (typeof _gstat != "undefined") _gstat.audience('','pagesperso-orange.fr'); //]]> </script> </body>