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Felge und Nabe messen, um Speichenlängen zu berechnen: Unterschied zwischen den Versionen

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Es folgt einen Schritt für Schritt Anleitung, wie man den Umfang einer Felge misst:
Es folgt einen Schritt für Schritt Anleitung, wie man den Umfang einer Felge misst:
 
* Das Maßband hat am Ende einen kleinen Metallwinkel, der ins [[Ventil]]loch der Felge eingehängt werden kann. dann spannt man das maßband einmal um die Felge und misst die Gesamtlänge am Boden des Felgenbetts.
*   The tape has a tab at the end. Hook the tab into the valve hole and wrap the tape all the way around the rim, measuring the total circumference at the bottom of the well.
* Teile dem Umfang durch π (Gesprochen "Pi") um die Durchmesser der felge zu erhalten. Für den fall, dass Du während des Mathematikunterrichts in der sechsten Klasse regelmäßig eingeschlafen bist: π ist ein griechischer Buchstabe, der das Verhältnis zwischen Umfang zum Durchmesser eines Kreises bezeichnet.  
*    Divide the circumference by π ("pi" in English, pronounced "pie") to get the diameter of the well. In case you were sleeping in 6th-grade math class: π is a a Greek letter denoting the ratio of the circumference of any circle to its diameter. π is a single-button function on scientific calculators, carried out to a large number of decimal places, but 3.142 is close enough if you have a four-function calculator or are working on paper. On paper, take your calculation out to tenths of a millimeter or hundredths of an inch..
*    Divide the circumference by π ("pi" in English, pronounced "pie") to get the diameter of the well. In case you were sleeping in 6th-grade math class: π is a a Greek letter denoting the ratio of the circumference of any circle to its diameter. π is a single-button function on scientific calculators, carried out to a large number of decimal places, but 3.142 is close enough if you have a four-function calculator or are working on paper. On paper, take your calculation out to tenths of a millimeter or hundredths of an inch..
*    If the tape measure is divided in inches, also multiply by 25.4 to get the diameter of the well in millimeters. To make paper calculation quicker, you could combine steps 2 and 3, multiplying by 8.085.
*    If the tape measure is divided in inches, also multiply by 25.4 to get the diameter of the well in millimeters. To make paper calculation quicker, you could combine steps 2 and 3, multiplying by 8.085.
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