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    Tak myslim to tak, ze vezmu treba 100W motor, k nemu a jeho idealnim
    otackam vyrobim/sezenu na miru vrtuli s nejlepsi ucinnosti.<br>
    Taky je otazka, jestli bude mit vetsi tah 1kW motor s velkou vrtuli
    nebo 10 motoru 100W s malou vrtuli<br>
    Predpokladam, ze pro kazdy vykon budou existovat optimalni otacky,
    kdy bude mit vrtule nejlepsi ucinnost.<br>
    Jen me orientacne zajima, jak moc se to zhruba musi krmit. <br>
    <br>
    Dne 29.1.2012 21:01, Pavel KREJCI napsal(a):
    <blockquote
cite="mid:CA+ZU3T8m5G2+R90+a+pB+Rue16xbMivu0_WeMOgxSUvzrz5rbA@mail.gmail.com"
      type="cite">Co je to idealni vrtule?
      <div>Kazda ma nejaky profil a rozmer. A bude zalezet i na
        otackach.</div>
      <div>PK</div>
      <div><br>
        <br>
        <div class="gmail_quote">2012/1/29 Jaroslav Buchta <span
            dir="ltr">&lt;<a moz-do-not-send="true"
              href="mailto:jaroslav.buchta@hascomp.cz">jaroslav.buchta@hascomp.cz</a>&gt;</span><br>
          <blockquote class="gmail_quote" style="margin:0 0 0
            .8ex;border-left:1px #ccc solid;padding-left:1ex">Vi nekdo,
            jak se da orientacne spocitt jaky bude mit idealni vrtule
            tah na jednotku vykonu? To by melo byt nejak konstantni, ne?<br>
            Jinak receno by me zajimalo, jaky vykon je potreba k udrzeni
            treba 150kg ve vzduchu.<br>
            <br>
            <br>
            Dne 29.1.2012 20:38, Kuba Jan napsal(a):
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              <div class="h5"><br>
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                  .8ex;border-left:1px #ccc solid;padding-left:1ex">
                  <br>
                  I 4 vrtulovy?<br>
                  Dne 29.1.2012 19:54, HW CNCnet.info napsal(a):<br>
                  <blockquote class="gmail_quote" style="margin:0 0 0
                    .8ex;border-left:1px #ccc solid;padding-left:1ex">
                    Je to tak - ten nemeckej kopter (pomerne drahe dily)
                    umi bez problemu letet i s vypadkem jednoho motoru -
                    dokonce to ani neni moc poznat.<br>
                    <br>
                    S pozdravem<br>
                    Radek Vicek<br>
                    <br>
                    Dne 29.1.2012 17:21, Petr Kubáč napsal(a):<br>
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                      .8ex;border-left:1px #ccc solid;padding-left:1ex">
                      <blockquote class="gmail_quote" style="margin:0 0
                        0 .8ex;border-left:1px #ccc
                        solid;padding-left:1ex">
                        <br>
                        S tim snad muze litat jen silenec, pri selhani
                        kterehokoli motoru to<br>
                        musi byt zcela neovladatelne, pokud ten druhy na
                        stejnem rameni nema<br>
                        100% rezervu vykonu aby ho nahradil....<br>
                      </blockquote>
                      <br>
                      Myslim ze se velice pletete - jestli jsem to videl
                      dobre tak ma 6 ramen<br>
                      po 2 motorech na kazdem - pri vypadku jednoho
                      motoru ty na sousednich<br>
                      ramenech zvysi tah o par procent (30?) na
                      protejsim rameni zase snizi<br>
                      tah o par desitek procent a leti se dale.<br>
                      <br>
                      Dovedu si predstavit ze i 4 vrtulovy ...(jak se
                      cesky rika Quadrocopter)<br>
                      je schopen letet pri vypadku 1 motoru<br>
                      <br>
                      Zdravi Petr Kubac<br>
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