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File:Powerband.gif

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Original file (826 × 568 pixels, file size: 16 KB, MIME type: image/gif)

Summary

This graphic attempts to illustrate the concept of w:power band and the difference between a torquey engine and a peaky one.

The "torquey" engine, illustrated by the blue lines, makes greater levels of peak torque. The "peaky" engine, illustrated by the red lines, produces less peak torque, and significantly less torque at the lowest RPMs, but produces adequate torque at much higher RPMs; as a result, it produces more peak power.

The "torquey" engine, by virtue of its higher torque at low RPMs, may be easier to drive in day-to-day use. The "peaky" engine, with its higher power, may be faster when driven aggressively, keeping RPMs high.

This graphic is essentially made from my understanding of the topic and needs to be revised as more hard information is incorporated.


This graph image could be re-created using vector graphics as an SVG file. This has several advantages; see Commons:Media for cleanup for more information. If an SVG form of this image is available, please upload it and afterwards replace this template with {{vector version available|new image name}}.


It is recommended to name the SVG file “Powerband.svg”—then the template Vector version available (or Vva) does not need the new image name parameter.

Licensing

I, the copyright holder of this work, hereby publish it under the following license:
w:en:Creative Commons
attribution share alike
This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license. Subject to disclaimers.
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This licensing tag was added to this file as part of the GFDL licensing update.
GNU head Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License. Subject to disclaimers.

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Date/TimeThumbnailDimensionsUserComment
current20:43, 13 September 2006Thumbnail for version as of 20:43, 13 September 2006826 × 568 (16 KB)TomTheHandUploading a version that separates the two curves more... in the old version they sort of all met at one spot
18:53, 13 September 2006Thumbnail for version as of 18:53, 13 September 2006764 × 488 (14 KB)TomTheHandThis graphic attempts to illustrate the concept of powerband and the difference between a torquey engine and a peaky one. It illustrates horsepower and torque curves of engines that are identical in every way except for their camshafts.

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