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Video Cylinder - Crank Drive
Video Piston 1
Video Piston 2
Video Piston 3
Video Piston 4
Video Piston - history
Video Piston - in general
Video Piston - material
Video Piston - stress
Video Piston - dimensions
Video Piston - measuring
Video Piston - truck
Video Piston Pin
Video Piston Pin Offset
Video Piston Rings 1
Video Piston Rings 2
Video Piston Rings 3
Video Connecting Rod
Video Crankshaft-history
Video Crankshaft 1
Video Crankshaft 2
Video Crankshaft 3
Video Crankshaft 4
Video Crankshaft 5
Video V-2 Crankshaft 6
Video Crankshaft 7
Video Bearing Play Check
Video Forces crank mechanism
Video Rot. Vibration Damper
Video Equaliser Shafts 1
Video Equaliser Shafts 2
Video 5-cyl. Block
Video Fly Wheel
Video Cylinder Block 1
Video Cylinder Block 2
Video Cylinder Block 3
Video Cylinder Block 4
Video Cylinder Block 5
Video Cylinder Block 6
Video Measurements
Video Loop Scavenging
Video Classic Racing Engine
Video V8 Cylinder Block
Video V8 Crankshaft 1
Video V8 Crankshaft 2
Video V10 Cylinder Block
Video V12 Cylinder Block
Video W12 Cylinder Block
Video W8 Cylinder Block

Video CO2-Emissions
Video Torque
Video Gas Speed
Video Hollow Cylinder
Video Bore Stroke Ratio
Video Cubic Capacity
Video Output per Liter
Video Efficiency
Video Calc. Crank Mechan.
Video Pistin Force
Video Compression Ratio
Video Pistin Speed
Video Power (output)
Video Power (piston pressure)

Video Multi-cylinder engine 1
Video Multi-cylinder engine 10


          A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Piston Measuring












Dial gauge with inside caliper has to be calibrated

Determining the piston clearance the correct usage of the measuring tool is very important. It is common to measure a piston with the suitable micrometer 90 to the piston pin axis in the middle or below at the piston shirt. Of course, it is crucial to keep the suitable temperatures for both the tools and the material. Before measuring the cylinder, the inside caliper must be calibrated, actually, with suitable measuring pieces. However, you may also determine a value and measure it out with another measuring tool. It is important to perform a measurement on top, the middle and below crosswise to the crankshaft stack axis. The biggest wear may be expected on top in the return point.

The smallest value on top, middle and below

The sequence of pictures above displays the realization first. Also the usage of the inside caliper can generate mistakes. Therefore, the smallest value with slight tipping movements should be regarded. Picture 2 shows the different, calibrated distance pieces with which probably every length can be composed. Figure 3 displays the - again calibrated - rail in which an exactly defined length is left for the dial gauge with inside caliper.






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Translator: Don Leslie - Email: lesdon@t-online.de

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