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<h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">Foot-pound</span></h1>
</header>
<a id="top"></a>
<div id="bodyContent" class="vector-body ve-init-mw-desktopArticleTarget-targetContainer" aria-labelledby="firstHeading" data-mw-ve-target-container="">
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<div id="mw-content-text" class="mw-body-content mw-content-ltr" lang="de" dir="ltr"><div class="mw-content-ltr mw-parser-output" lang="de" dir="ltr"><table class="infobox wikitable float-right" style="font-size:100%; margin-top:0; width:350px;" id="Vorlage_Infobox_Einheit" summary="Infobox Einheit">
<tbody><tr>
<th colspan="2" style="background:#FFDEAD;"><a href="Ma%C3%9Feinheit" title="Maßeinheit">Physikalische Einheit</a>
</th></tr>
<tr>
<td style="min-width:7em;">Einheitenname</td>
<td>foot-pound
</td></tr>
<tr>
<td><a href="Einheitenzeichen" title="Einheitenzeichen">Einheitenzeichen</a>
</td>
<td><span class="mwe-math-element mwe-math-element-inline"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \mathrm {ft\cdot lb} }">
<semantics>
<mrow class="MJX-TeXAtom-ORD">
<mstyle displaystyle="true" scriptlevel="0">
<mrow class="MJX-TeXAtom-ORD">
<mi mathvariant="normal">f</mi>
<mi mathvariant="normal">t</mi>
<mo>⋅<!-- ⋅ --></mo>
<mi mathvariant="normal">l</mi>
<mi mathvariant="normal">b</mi>
</mrow>
</mstyle>
</mrow>
<annotation encoding="application/x-tex">{\displaystyle \mathrm {ft\cdot lb} }</annotation>
</semantics>
</math></span><img src="./_assets_/eb734a37dd21ce173a46342d1cc64c92/2191550f010b4840abaa13090e9780a43efc2433.svg" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:5.388ex; height:2.176ex;" alt="{\displaystyle \mathrm {ft\cdot lb} }" loading="lazy"></span>
</td></tr>
<tr>
<td><a href="Physikalische_Gr%C3%B6%C3%9Fe" title="Physikalische Größe">Physikalische Größe</a>
</td>
<td><a href="Energie" title="Energie">Energie</a>
</td></tr>
<tr>
<td><a href="Formelzeichen" title="Formelzeichen">Formelzeichen</a>
</td>
<td><span class="mwe-math-element mwe-math-element-inline"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle W\,E}">
<semantics>
<mrow class="MJX-TeXAtom-ORD">
<mstyle displaystyle="true" scriptlevel="0">
<mi>W</mi>
<mspace width="thinmathspace"></mspace>
<mi>E</mi>
</mstyle>
</mrow>
<annotation encoding="application/x-tex">{\displaystyle W\,E}</annotation>
</semantics>
</math></span><img src="./_assets_/eb734a37dd21ce173a46342d1cc64c92/8dd5e4016f4feca6038bd636102301ea6a3b8711.svg" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:4.598ex; height:2.176ex;" alt="{\displaystyle W\,E}" loading="lazy"></span>
</td></tr>
<tr>
<td><a href="Dimension_(Gr%C3%B6%C3%9Fensystem)" title="Dimension (Größensystem)">Dimension</a>
</td>
<td><span class="mwe-math-element mwe-math-element-inline"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle {\mathsf {M\;L^{2}\;T^{-2}}}}">
<semantics>
<mrow class="MJX-TeXAtom-ORD">
<mstyle displaystyle="true" scriptlevel="0">
<mrow class="MJX-TeXAtom-ORD">
<mrow class="MJX-TeXAtom-ORD">
<mi mathvariant="sans-serif">M</mi>
<mspace width="thickmathspace"></mspace>
<msup>
<mi mathvariant="sans-serif">L</mi>
<mrow class="MJX-TeXAtom-ORD">
<mn mathvariant="sans-serif">2</mn>
</mrow>
</msup>
<mspace width="thickmathspace"></mspace>
<msup>
<mi mathvariant="sans-serif">T</mi>
<mrow class="MJX-TeXAtom-ORD">
<mo mathvariant="sans-serif">−<!-- − --></mo>
<mn mathvariant="sans-serif">2</mn>
</mrow>
</msup>
</mrow>
</mrow>
</mstyle>
</mrow>
<annotation encoding="application/x-tex">{\displaystyle {\mathsf {M\;L^{2}\;T^{-2}}}}</annotation>
</semantics>
</math></span><img src="./_assets_/eb734a37dd21ce173a46342d1cc64c92/1eba243888461f2d4bbbef04506dbe7cfb75bf0e.svg" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:9.554ex; height:2.676ex;" alt="{\displaystyle {\mathsf {M\;L^{2}\;T^{-2}}}}" loading="lazy"></span>
</td></tr>
<tr>
<td>System
</td>
<td><a href="Angloamerikanisches_Ma%C3%9Fsystem" title="Angloamerikanisches Maßsystem">Angloamerikanisches Maßsystem</a>
</td></tr>
<tr>
<td>In <a href="Internationales_Einheitensystem#SI-Einheiten" title="Internationales Einheitensystem">SI-Einheiten</a>
</td>
<td><span class="mwe-math-element mwe-math-element-inline"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \mathrm {1\,ft\cdot lb\;\approx \;1{,}355\,817\,948\;J} }">
<semantics>
<mrow class="MJX-TeXAtom-ORD">
<mstyle displaystyle="true" scriptlevel="0">
<mrow class="MJX-TeXAtom-ORD">
<mn>1</mn>
<mspace width="thinmathspace"></mspace>
<mi mathvariant="normal">f</mi>
<mi mathvariant="normal">t</mi>
<mo>⋅<!-- ⋅ --></mo>
<mi mathvariant="normal">l</mi>
<mi mathvariant="normal">b</mi>
<mspace width="thickmathspace"></mspace>
<mo>≈<!-- ≈ --></mo>
<mspace width="thickmathspace"></mspace>
<mn>1,355</mn>
<mspace width="thinmathspace"></mspace>
<mn>817</mn>
<mspace width="thinmathspace"></mspace>
<mn>948</mn>
<mspace width="thickmathspace"></mspace>
<mi mathvariant="normal">J</mi>
</mrow>
</mstyle>
</mrow>
<annotation encoding="application/x-tex">{\displaystyle \mathrm {1\,ft\cdot lb\;\approx \;1{,}355\,817\,948\;J} }</annotation>
</semantics>
</math></span><img src="./_assets_/eb734a37dd21ce173a46342d1cc64c92/e15782b19c5913aa652f4020eb8a0b393b44ec04.svg" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.671ex; width:26.212ex; height:2.509ex;" alt="{\displaystyle \mathrm {1\,ft\cdot lb\;\approx \;1{,}355\,817\,948\;J} }" loading="lazy"></span>
</td></tr>
<tr>
<td>In <a href="CGS-Einheitensystem" title="CGS-Einheitensystem">CGS-Einheiten</a>
</td>
<td><span class="mwe-math-element mwe-math-element-inline"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \mathrm {1\,ft\cdot lb\;\approx \;13\,558\,179{,}48\;erg} }">
<semantics>
<mrow class="MJX-TeXAtom-ORD">
<mstyle displaystyle="true" scriptlevel="0">
<mrow class="MJX-TeXAtom-ORD">
<mn>1</mn>
<mspace width="thinmathspace"></mspace>
<mi mathvariant="normal">f</mi>
<mi mathvariant="normal">t</mi>
<mo>⋅<!-- ⋅ --></mo>
<mi mathvariant="normal">l</mi>
<mi mathvariant="normal">b</mi>
<mspace width="thickmathspace"></mspace>
<mo>≈<!-- ≈ --></mo>
<mspace width="thickmathspace"></mspace>
<mn>13</mn>
<mspace width="thinmathspace"></mspace>
<mn>558</mn>
<mspace width="thinmathspace"></mspace>
<mn>179</mn>
<mrow class="MJX-TeXAtom-ORD">
<mo>,</mo>
</mrow>
<mn>48</mn>
<mspace width="thickmathspace"></mspace>
<mi mathvariant="normal">e</mi>
<mi mathvariant="normal">r</mi>
<mi mathvariant="normal">g</mi>
</mrow>
</mstyle>
</mrow>
<annotation encoding="application/x-tex">{\displaystyle \mathrm {1\,ft\cdot lb\;\approx \;13\,558\,179{,}48\;erg} }</annotation>
</semantics>
</math></span><img src="./_assets_/eb734a37dd21ce173a46342d1cc64c92/05895b96fd19ac7169968d9586809013dab8bfee.svg" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.671ex; width:28.124ex; height:2.509ex;" alt="{\displaystyle \mathrm {1\,ft\cdot lb\;\approx \;13\,558\,179{,}48\;erg} }" loading="lazy"></span>
</td></tr>
<tr>
<td>Abgeleitet von
</td>
<td><a href="Fu%C3%9F_(Einheit)" title="Fuß (Einheit)">Foot</a>, <a href="Avoirdupois" title="Avoirdupois">Pound</a>
</td></tr></tbody></table>
<table class="infobox wikitable float-right" style="font-size:100%; margin-top:0; width:350px;" id="Vorlage_Infobox_Einheit" summary="Infobox Einheit">
<tbody><tr>
<th colspan="2" style="background:#FFDEAD;"><a href="Ma%C3%9Feinheit" title="Maßeinheit">Physikalische Einheit</a>
</th></tr>
<tr>
<td style="min-width:7em;">Einheitenname</td>
<td>Pound-foot
</td></tr>
<tr>
<td><a href="Einheitenzeichen" title="Einheitenzeichen">Einheitenzeichen</a>
</td>
<td><span class="mwe-math-element mwe-math-element-inline"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \mathrm {lb_{f}\cdot ft} }">
<semantics>
<mrow class="MJX-TeXAtom-ORD">
<mstyle displaystyle="true" scriptlevel="0">
<mrow class="MJX-TeXAtom-ORD">
<mi mathvariant="normal">l</mi>
<msub>
<mi mathvariant="normal">b</mi>
<mrow class="MJX-TeXAtom-ORD">
<mi mathvariant="normal">f</mi>
</mrow>
</msub>
<mo>⋅<!-- ⋅ --></mo>
<mi mathvariant="normal">f</mi>
<mi mathvariant="normal">t</mi>
</mrow>
</mstyle>
</mrow>
<annotation encoding="application/x-tex">{\displaystyle \mathrm {lb_{f}\cdot ft} }</annotation>
</semantics>
</math></span><img src="./_assets_/eb734a37dd21ce173a46342d1cc64c92/c32837a1b6f22247c4f3503e121fdfb6b180dbdf.svg" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.671ex; width:6.232ex; height:2.509ex;" alt="{\displaystyle \mathrm {lb_{f}\cdot ft} }" loading="lazy"></span>
</td></tr>
<tr>
<td><a href="Physikalische_Gr%C3%B6%C3%9Fe" title="Physikalische Größe">Physikalische Größe</a>
</td>
<td><a href="Drehmoment" title="Drehmoment">Drehmoment</a>
</td></tr>
<tr>
<td><a href="Formelzeichen" title="Formelzeichen">Formelzeichen</a>
</td>
<td><span class="mwe-math-element mwe-math-element-inline"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle M}">
<semantics>
<mrow class="MJX-TeXAtom-ORD">
<mstyle displaystyle="true" scriptlevel="0">
<mi>M</mi>
</mstyle>
</mrow>
<annotation encoding="application/x-tex">{\displaystyle M}</annotation>
</semantics>
</math></span><img src="./_assets_/eb734a37dd21ce173a46342d1cc64c92/f82cade9898ced02fdd08712e5f0c0151758a0dd.svg" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:2.442ex; height:2.176ex;" alt="{\displaystyle M}" loading="lazy"></span>
</td></tr>
<tr>
<td><a href="Dimension_(Gr%C3%B6%C3%9Fensystem)" title="Dimension (Größensystem)">Dimension</a>
</td>
<td><span class="mwe-math-element mwe-math-element-inline"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle {\mathsf {M\;L^{2}\;T^{-2}}}}">
<semantics>
<mrow class="MJX-TeXAtom-ORD">
<mstyle displaystyle="true" scriptlevel="0">
<mrow class="MJX-TeXAtom-ORD">
<mrow class="MJX-TeXAtom-ORD">
<mi mathvariant="sans-serif">M</mi>
<mspace width="thickmathspace"></mspace>
<msup>
<mi mathvariant="sans-serif">L</mi>
<mrow class="MJX-TeXAtom-ORD">
<mn mathvariant="sans-serif">2</mn>
</mrow>
</msup>
<mspace width="thickmathspace"></mspace>
<msup>
<mi mathvariant="sans-serif">T</mi>
<mrow class="MJX-TeXAtom-ORD">
<mo mathvariant="sans-serif">−<!-- − --></mo>
<mn mathvariant="sans-serif">2</mn>
</mrow>
</msup>
</mrow>
</mrow>
</mstyle>
</mrow>
<annotation encoding="application/x-tex">{\displaystyle {\mathsf {M\;L^{2}\;T^{-2}}}}</annotation>
</semantics>
</math></span><img src="./_assets_/eb734a37dd21ce173a46342d1cc64c92/1eba243888461f2d4bbbef04506dbe7cfb75bf0e.svg" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:9.554ex; height:2.676ex;" alt="{\displaystyle {\mathsf {M\;L^{2}\;T^{-2}}}}" loading="lazy"></span>
</td></tr>
<tr>
<td>System
</td>
<td><a href="Angloamerikanisches_Ma%C3%9Fsystem" title="Angloamerikanisches Maßsystem">Angloamerikanisches Maßsystem</a>
</td></tr>
<tr>
<td>In <a href="Internationales_Einheitensystem#SI-Einheiten" title="Internationales Einheitensystem">SI-Einheiten</a>
</td>
<td><span class="mwe-math-element mwe-math-element-inline"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \mathrm {1\,ft\cdot lb\;\approx \;1{,}355\,817\,948\;Nm} }">
<semantics>
<mrow class="MJX-TeXAtom-ORD">
<mstyle displaystyle="true" scriptlevel="0">
<mrow class="MJX-TeXAtom-ORD">
<mn>1</mn>
<mspace width="thinmathspace"></mspace>
<mi mathvariant="normal">f</mi>
<mi mathvariant="normal">t</mi>
<mo>⋅<!-- ⋅ --></mo>
<mi mathvariant="normal">l</mi>
<mi mathvariant="normal">b</mi>
<mspace width="thickmathspace"></mspace>
<mo>≈<!-- ≈ --></mo>
<mspace width="thickmathspace"></mspace>
<mn>1,355</mn>
<mspace width="thinmathspace"></mspace>
<mn>817</mn>
<mspace width="thinmathspace"></mspace>
<mn>948</mn>
<mspace width="thickmathspace"></mspace>
<mi mathvariant="normal">N</mi>
<mi mathvariant="normal">m</mi>
</mrow>
</mstyle>
</mrow>
<annotation encoding="application/x-tex">{\displaystyle \mathrm {1\,ft\cdot lb\;\approx \;1{,}355\,817\,948\;Nm} }</annotation>
</semantics>
</math></span><img src="./_assets_/eb734a37dd21ce173a46342d1cc64c92/52ec67310a0a18a0c2ebb56b603ff6e7680cf607.svg" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.671ex; width:28.696ex; height:2.509ex;" alt="{\displaystyle \mathrm {1\,ft\cdot lb\;\approx \;1{,}355\,817\,948\;Nm} }" loading="lazy"></span>
</td></tr>
<tr>
<td>In <a href="CGS-Einheitensystem" title="CGS-Einheitensystem">CGS-Einheiten</a>
</td>
<td><span class="mwe-math-element mwe-math-element-inline"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \mathrm {1\,ft\cdot lb\;\approx \;13\,558\,179{,}48\;dyn\cdot cm} }">
<semantics>
<mrow class="MJX-TeXAtom-ORD">
<mstyle displaystyle="true" scriptlevel="0">
<mrow class="MJX-TeXAtom-ORD">
<mn>1</mn>
<mspace width="thinmathspace"></mspace>
<mi mathvariant="normal">f</mi>
<mi mathvariant="normal">t</mi>
<mo>⋅<!-- ⋅ --></mo>
<mi mathvariant="normal">l</mi>
<mi mathvariant="normal">b</mi>
<mspace width="thickmathspace"></mspace>
<mo>≈<!-- ≈ --></mo>
<mspace width="thickmathspace"></mspace>
<mn>13</mn>
<mspace width="thinmathspace"></mspace>
<mn>558</mn>
<mspace width="thinmathspace"></mspace>
<mn>179</mn>
<mrow class="MJX-TeXAtom-ORD">
<mo>,</mo>
</mrow>
<mn>48</mn>
<mspace width="thickmathspace"></mspace>
<mi mathvariant="normal">d</mi>
<mi mathvariant="normal">y</mi>
<mi mathvariant="normal">n</mi>
<mo>⋅<!-- ⋅ --></mo>
<mi mathvariant="normal">c</mi>
<mi mathvariant="normal">m</mi>
</mrow>
</mstyle>
</mrow>
<annotation encoding="application/x-tex">{\displaystyle \mathrm {1\,ft\cdot lb\;\approx \;13\,558\,179{,}48\;dyn\cdot cm} }</annotation>
</semantics>
</math></span><img src="./_assets_/eb734a37dd21ce173a46342d1cc64c92/5eb39ce2e82bf06879ce502a36dcdfd1a536a590.svg" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.671ex; width:33.477ex; height:2.509ex;" alt="{\displaystyle \mathrm {1\,ft\cdot lb\;\approx \;13\,558\,179{,}48\;dyn\cdot cm} }" loading="lazy"></span>
</td></tr>
<tr>
<td>Abgeleitet von
</td>
<td><a href="Fu%C3%9F_(Einheit)" title="Fuß (Einheit)">Foot</a>, <a href="Avoirdupois" title="Avoirdupois">Pound</a>
</td></tr></tbody></table>
<p>Das <b>foot-pound</b> oder <b>foot-pound force</b> ist eine britische und US-amerikanische Einheit sowohl der <a href="Energie" title="Energie">Energie</a> als auch des <a href="Drehmoment" title="Drehmoment">Drehmoments</a> (dort <b>pound-foot</b> bzw. <b>pound-force foot</b>). Das Einheitenzeichen ist <b>ft·lb</b> oder <b>ft·lbf</b>, auch <b>lb·ft</b> oder <b>lbf·ft</b>.
</p><p>Ein foot-pound entspricht genau 1,355 817 948 331 400 4 J (<a href="Joule" title="Joule">Joule</a>) und entspricht der Energie, die aufgebracht werden muss, um einen Körper mit einer <a href="Masse_(Physik)" title="Masse (Physik)">Masse</a> von einem <a href="Pfund" title="Pfund">Pfund</a> um einen <a href="Feet" class="mw-redirect" title="Feet">Foot</a> gegen seine <a href="Gewichtskraft" title="Gewichtskraft">Gewichtskraft</a> anzuheben:
</p>
<dl><dd><span class="mwe-math-element mwe-math-element-inline"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle {1\,\mathrm {ft} \cdot \mathrm {lb} =\mathrm {lb} \cdot g\cdot \mathrm {ft} =0{,}45359237\,\mathrm {kg} \cdot 9{,}81\,{\frac {\mathrm {m} }{\mathrm {s} ^{2}}}\cdot 0{,}3048\,\mathrm {m} =1{,}35581\dots \,\mathrm {kg} {\frac {\mathrm {m} ^{2}}{\mathrm {s} ^{2}}}=1{,}355\,817\,948\,331\,400\,4\,\mathrm {J} }}">
<semantics>
<mrow class="MJX-TeXAtom-ORD">
<mstyle displaystyle="true" scriptlevel="0">
<mrow class="MJX-TeXAtom-ORD">
<mn>1</mn>
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<annotation encoding="application/x-tex">{\displaystyle {1\,\mathrm {ft} \cdot \mathrm {lb} =\mathrm {lb} \cdot g\cdot \mathrm {ft} =0{,}45359237\,\mathrm {kg} \cdot 9{,}81\,{\frac {\mathrm {m} }{\mathrm {s} ^{2}}}\cdot 0{,}3048\,\mathrm {m} =1{,}35581\dots \,\mathrm {kg} {\frac {\mathrm {m} ^{2}}{\mathrm {s} ^{2}}}=1{,}355\,817\,948\,331\,400\,4\,\mathrm {J} }}</annotation>
</semantics>
</math></span><img src="./_assets_/eb734a37dd21ce173a46342d1cc64c92/e54a4985502081d776e9ec84c554e6181ba311a8.svg" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -2.171ex; width:102.518ex; height:6.009ex;" alt="{\displaystyle {1\,\mathrm {ft} \cdot \mathrm {lb} =\mathrm {lb} \cdot g\cdot \mathrm {ft} =0{,}45359237\,\mathrm {kg} \cdot 9{,}81\,{\frac {\mathrm {m} }{\mathrm {s} ^{2}}}\cdot 0{,}3048\,\mathrm {m} =1{,}35581\dots \,\mathrm {kg} {\frac {\mathrm {m} ^{2}}{\mathrm {s} ^{2}}}=1{,}355\,817\,948\,331\,400\,4\,\mathrm {J} }}" loading="lazy"></span></dd></dl>
<p>550 Foot-pound in der Sekunde entsprechen einem <a href="Horsepower" title="Horsepower">Horsepower</a> (etwa 745,7 Watt).
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