Category Archives: Physics

“Smart”car Start Process wins Award for Most Vexatious Unwanted Puzzle at The Wrong Time

(c) Copyright 2018 David Dilworth I relish puzzles. My parents gave me books of them when I turned five, to keep me occupied while we drove cross-country. As they told it – I’d finished them all by the second day. … Continue reading

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Huge Mis-Understanding of Oar Fluid Dynamics: Oars are Drag — Not Lift Devices

This morning I was astounded and then annoyed to read a leading manufacturer and designer of competitive oars – get the fundamental reason, the fluid dynamic reason, oars work – entirely wrong — to the detriment of the field. Fluid … Continue reading

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Motorcycle / Bicycle Gyroscopic Effects

(c) Copyright 2013 David Dilworth Gyroscopic effects are one of the few physics principles that are not intuitive to me. I’ve studied them and used them for decades, yet when I spin a bicycle wheel holding it by the axle … Continue reading

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Finally-A Giant Leap Forward in Battery Technology

A ten-fold leap in stored energy density has been realized in a University of Illinois lab. The team claims the batteries should be ten times smaller for the same power storage and they can be recharged 1,000 times faster than … Continue reading

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News: New World Sailing Speed Record by Paul Larsen and Vestas SailRocket 55 knots (63 mph, and momentarily hits 78 mph unofficially) !

(November 18, 2012: Namibia, Africa) Vestas Sailrocket 2 piloted by project leader Paul Larsen traveled at more than 55.32 knots (exceeding 60 mph and 100 kph) over a nautical mile course on Walvis Bay. For a few moments during the … Continue reading

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Can you Shoot an Arrow Backwards – into Space ?

You might have heard about a secretive space flight effort in the wilds of Texas that sustained an unfortunate crash recently. That was the “Blue Origin” project. (http://www.blueorigin.com/) The flight was aborted by “a flight instability” as the team called … Continue reading

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Protected: Deflecting Most Head-On Crashes – by Design

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Best Road Track Corner Driver Ever ?

Best Road Track Corner Driver Ever ? by David Dilworth In my decades of involvement in the car racing world, including teaching race car driving at Winfield’s Racing School at Goodwood in England, I’ve had the opportunity to carefully observe … Continue reading

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Preventing Oil-Tanker Spills With Proven Aircraft Technology

Preventing Oil-Tanker Spills With Aircraft Technology (c) Copyright 1990-2005 David Dilworth This is a concept for an inexpensive, but not free, lunch. Converting proven technology can dramatically reduce the serious harms from oil tanker spills and their fires and lower … Continue reading

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Future Road Track Racing Motorcycle (MotoGP) Wheelbases Will Be Far Longer

(c) Copyright 2011 David Dilworth “Science is organized common sense where many a beautiful theory was killed by an ugly fact.” -Thomas Henry Huxley When Elden Racing Cars owner Brian Hampsheir hired me as Designer-Engineer to recapture their glorious former … Continue reading

Posted in Dynamics, Education, Engineering, Physics, Racing, Simple Solutions Ignored, Vehicles | Tagged , , , , , , , , , , , , | 19 Comments

Understanding of Two Fundamental Physics Phenomena Improved Dramatically

Here are two articles on landmark research explaining how we mis-understood two static physics phenomena prior to 2011: Static Friction and Static Electricity. 1. Static Friction “How Earthquakes Can Be Predicted: Researchers Reveal New Means” http://www.sciencedaily.com/releases/2010/11/101130100524.htm These researchers found the … Continue reading

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Understanding Radioactivity Harm Thresholds (in plain English)

Do you understand the nuclear radioactivity levels resulting from the Japanese nuclear plant crisis? Can you figure out how much radioactivity is dangerous? This article explains the three major ways radioactivity is measured, to help you compare the numbers reported … Continue reading

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Radiation or Radioactivity ?

Mainstream news stories almost always confuse radiation and radioactive (materials), which are significantly different things. Radiation means visible light and its cousins: electromagnetic waves including X-rays, gamma rays and radio waves.   Radioactive means those physical materials which emit ionizing … Continue reading

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Persistence – Inspiration

“Nothing in this world can take the place of Persistence. “Talent will not; nothing is more common than unsuccessful people with talent. “Genius will not; unrewarded genius is almost a proverb. “Education will not; the world is full of educated … Continue reading

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