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    <div class="moz-cite-prefix">Njn, ale zasr... ledovec ;-)<br>
      <br>
      Dne 3. 7. 2014 21:37, Draček Fráček napsal(a):<br>
    </div>
    <blockquote
cite="mid:CABwX24oD-b5hTaFvMkYnFo8Qeja+MEhCVv6PME_3txrezKQqvQ@mail.gmail.com"
      type="cite">
      <div dir="ltr">
        <div>Pocitate dobre, zasoba paliva byla kalkulovana na 10 dni
          plavby plnou paru. <br>
        </div>
        Kdyz Titanik vyplul tak Modro stuhu tj. ocenění za nejrychlejsi
        plavbu pres atlantik drzela <br>
        RMS Mauretania a z Lverpoolu do Noveho Yorku to zmakla za 4dny
        10 hodin a 51 minut. Ciste teoreticky tedy Titanik mohl bez
        tankovani dojet tam i zpet.<br>
      </div>
      <div class="gmail_extra"><br>
        <br>
        <div class="gmail_quote">Dne 3. července 2014 17:58 Petr Zapadlo
          <span dir="ltr"><<a moz-do-not-send="true"
              href="mailto:zapik@email.cz" target="_blank">zapik@email.cz</a>></span>
          napsal(a):<br>
          <blockquote class="gmail_quote" style="margin:0 0 0
            .8ex;border-left:1px #ccc solid;padding-left:1ex">
            <div text="#000000" bgcolor="#FFFFFF"> Počítám li dobře, tak
              ta zásoba uhlí stačila na 10 dní. To není zrovna moc.<br>
              Jak dlouho tehdy trvala plavba do ameriky?<br>
              Stačilo jim to uhlí a nebo někde cestou  "tankovali"?<br>
              <br>
              Petr
              <div class=""><br>
                <br>
                <br>
                <div>Dne 3.7.2014 19:21, Draček Fráček napsal(a):<br>
                </div>
              </div>
              <blockquote type="cite">
                <div dir="ltr">
                  <div>Je to prekvapive jednoduche, Prikladem budiz
                    kotle pouzite ne Titaniku, <br>
                  </div>
                  <div>
                    <div class="h5">
                      <div>Cela fnta je v tom, ze sul, respektive
                        solanka s vysokym obsahem soli je tezsi nez
                        morska voda ktera se nove do kotle privadi a tak
                        v kotli klesa ke dnu. Pak stačí mít u dna
                        kohouty vyvedfene do more, kdyz je otevrete tak
                        para vytlaci solanku u dna do more a vy se tak
                        zbavite soli. Tahle operace se provadela cca
                        kazde dve hodiny provozu kotle, pri plnem vykonu
                        nebo pri pluti oblasit s vyssi salinitou i
                        casteji.Na kotli pro tento ucel byl salinometr,
                        kde bylo videt jake jsou pomery v kotli. Zkuseny
                        predak v kotelne ale salinitu pozna podle
                        tlakomeru a teplomeru na kotli.<br>
                      </div>
                      <div>Krome soli ,ale morska voda obsahuje dalsi
                        necistoty,ktere se naopak shromazduji na hladine
                        v kotli a branili prechdu vody z kapaliny na
                        paru. Rikalo se tomu tusim kolac, ten se
                        odstranoval bud tim,ze voda která se do kotle
                        vhánela na urvni hladiny vody v kotli se z casti
                        na druhe strane odvadela a vodni proud tak tento
                        bordel sthaval mimo kotel. Modernejsi byl plovak
                        s hrablem, ktery bodel shrabl k vypusti kde se
                        pak odpustil mimo kotel a lod.<br>
                      </div>
                      <div>Kdyz jsme začal s tim titanikem tak pro
                        zajimavost, na Titaniku bylo 29 kotlu pricemz
                        pri bezne plavbe jelo vzdy 24 kotlu a ty sezrali
                        za hodunu cca 25tun uhli. <br>
                        Ty tam muselo lopatou nahaze 48 topičů a 20
                        přihazovaču, smena trvala 4hodiny , pokud by
                        doslo k tomu,ze by Titanik jel na rekord tedy o
                        Modrou stuju tak by se zkratilo stridani na 3
                        hodiny :-) V nádrzich (uhelny bunkr) se vozilo,
                        tedy vezlo 6000 tun uhli.<br>
                      </div>
                    </div>
                  </div>
                </div>
                <div>
                  <div class="h5">
                    <div class="gmail_extra"><br>
                      <br>
                      <div class="gmail_quote">Dne 3. července 2014
                        16:15 Petr Zapadlo <span dir="ltr"><<a
                            moz-do-not-send="true"
                            href="mailto:zapik@email.cz" target="_blank">zapik@email.cz</a>></span>
                        napsal(a):<br>
                        <blockquote class="gmail_quote">
                          <div> Když už se tu probírá tohle téma.<br>
                            Neví někdo jak to řešili parníky na moři?<br>
                            Předpokládám, že nevezli zásobu sladké vody
                            na výrobu páry.<br>
                            Co říkal kotel na slanou vodu a jak se
                            zbavovali solných usazenin z kotle, vždyť
                            jich tam muselo být spoustu.<br>
                            <br>
                            Díky<br>
                            <br>
                            Zapik<br>
                            <br>
                            <br>
                            <div>Dne 3.7.2014 16:10, Draček Fráček
                              napsal(a):<br>
                            </div>
                            <blockquote type="cite">
                              <div dir="ltr">
                                <div>
                                  <div>
                                    <div>
                                      <div>
                                        <div>
                                          <div>Ja se vam to pokusim
                                            vysvetlit.<br>
                                          </div>
                                          Tvrdost vody se skladá ze dvou
                                          sluzek , tvrdosti stale a
                                          tvrdosti prechodne.<br>
                                        </div>
                                        Tvrdost prechodna tzv, tvrdost
                                        uhlicitanova. Je zpusobena
                                        kyselim uhlicitanem vapenatým a
                                        kyselým uhlicitanem horecnatym.
                                        To je ta tvrdost, kterou lze
                                        odstarnit varem, musi to byt
                                        skutecny var, kdy voda bubla,
                                        protoze prave na bublinkach
                                        dochazi k rozkladu
                                        hydrogenuhlicitanu na
                                        nerozpustne uhlicitany a oxid
                                        uhlicity.Oxid uhličity pak
                                        vysrszi uhlicitanovou tvrdost.<br>
                                      </div>
                                      Druhou tvrsoti je stála, siranova,
                                      tu tvrori soli anorganickych
                                      kyselin , predevsim sirany na tuto
                                      tvrdost nema var vliv. Zda ma nebo
                                      nema cenu vodu prevarovat , to
                                      zalezi na tom co vám tece z
                                      kohoutklu, nejlepe zjistit dotazem
                                      na vodarnach.<br>
                                    </div>
                                    5l technicke destilky jde koupit
                                    kolem 30Kc.<br>
                                  </div>
                                  Aby to nebylo OT tak prechodnou
                                  tvrdost by melo jit resit pomoci
                                  sdtridaveho mg. pole na privodu vody.
                                  Stridave mg. pole by melo vytvaret
                                  nano krystaly, ktere se hure shlukuji
                                  a tak i pri varu v zehlicce by mely
                                  vyletavat s parou ven a neusazovat se
                                  uvnitr.<br>
                                </div>
                                Misto destilky jde pouzit destovou vodu
                                ,ale diky repce je radu mesicu
                                nepouzitelna kvuli pilu.<br>
                              </div>
                              <div class="gmail_extra"><br>
                                <br>
                                <div class="gmail_quote">Dne 2. července
                                  2014 17:59 Alexandra Svobodová <span
                                    dir="ltr"><<a
                                      moz-do-not-send="true"
                                      href="mailto:hwnews@zirafoviny.cz"
                                      target="_blank">hwnews@zirafoviny.cz</a>></span>
                                  napsal(a):<br>
                                  <blockquote class="gmail_quote">Dobrý
                                    večer,<br>
                                    <br>
                                        je tu i dost lidí erudovaných v
                                    chemii, tak mi třeba bude někdo
                                    schopen odpovědět na jednoduše
                                    vypadající otázku: Co se stane s
                                    minerály rozpouštěnými ve vodě, když
                                    tuto vodu převařím? Zkušenost říká,
                                    že s takto upravenou vodou méně
                                    zanášejí spotřebiče, které takovou
                                    vodu potřebují dále zpracovávat.
                                    Typicky napařovací žehlička. Co to
                                    způsobuje?<br>
                                    <br>
                                        Případně ještě jeden dotaz, dá
                                    se nějak změkčit velmi tvrdá voda
                                    tak, aby byla měkčí, ale tak, aby
                                    chemikálie nezničila daný tepelný
                                    spotřebič? Nevím, co provede
                                    hydrogenuhličitan sodný na horké
                                    plotně žehličky a po zkušenostech s
                                    kyselinou citrónovou to nemám odvahu
                                    zkoušet (vznikla totiž něco jako
                                    chemická zbraň a uvnitř žehličky
                                    vzniklo tolik sajrajtu, že mi ji to
                                    prakticky zničilo).<br>
                                    <br>
                                        Děkuji za případné nápady :-)<br>
                                    <br>
                                        Saša Svobodová<br>
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