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File:20181229 2 4 6 degree angle of entry for bowling ball.png

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Summary

Description
English: Diagram showing straight-line paths for angles of entry into "pocket" (assumes ball is centered at board 17.5 at impact), specifically for angles of entry of 2, 4, and 6 degrees.

Round-off error in representations may result from Microsoft Powerpoint's accepting only two significant digits to right of decimal point.

Calculations assume center of bowling ball is centered on board 17.5, and 6.38 inches up-lane from center of head pin. Board 20 is centered 41.5/2=20.75 inches from edge, minus 2.5 inches from board 20 to board 17.5 = 18.25 inches. Board 17.5 is 18.25 inches from right edge of lane.

  • 18.25 / tan 2° / 12 = 43.57 feet up-lane from center of ball at impact
  • 18.25 / tan 4° / 12 = 21.75 feet up-lane from center of ball at impact
  • 18.25 / tan 6° / 12 = 14.47 feet up-lane from center of ball at impact
Date
Source Own work
Author RCraig09

File:20181228 Bowling lane WITH measurements.png

20181228 Bowling lane WITH measurements
20181228 Bowling lane WITH measurements








File:20181228 Bowling lane NO measurements.png

20181228 Bowling lane No measurements
20181228 Bowling lane No measurements








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29 December 2018

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Date/TimeThumbnailDimensionsUserComment
current18:11, 20 May 2023Thumbnail for version as of 18:11, 20 May 20232,007 × 418 (114 KB)RCraig09Version 3: reduced file size at tinypng.com
19:43, 6 January 2019Thumbnail for version as of 19:43, 6 January 20192,007 × 418 (413 KB)RCraig09Minor: Render lane and approach colors more authentically.
21:37, 29 December 2018Thumbnail for version as of 21:37, 29 December 20182,007 × 418 (61 KB)RCraig09User created page with UploadWizard

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