E6B Flight Computer: the Pilot's Best Friend

Our Own Devices April 11, 2024
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Our Own Devices

@canadianmacgyver

About

Ever wonder how a rotary telephone works, how sailors and pilots navigated by the stars, or how mechanical calculators perform complex math using only gears? Then you've come to the right place! Our Own Devices is a channel dedicated to the fascinating world of vintage technology, and the many elegant and ingenious ways our ancestors solved even the most complex technical problems. Want more fascinating history? I am a regular staff writer for Today I Found Out and many of its sister channels: https://www.youtube.com/@TodayIFoundOut I also have a historical adventure novel titled 'Our Own Devices' set in 1920s Morocco. Check it out at my personal website: www.gillesmessier.ca And finally, I make 1920s/30s-style Art Deco posters, which you can purchase on my Etsy store: https://www.etsy.com/ca/shop/DecoEchoes

Video Description

Familiar to pilots the world over, the E6B Flight Computer is one of the few mechanical calculators / slide rules still in common use today. Designed in the 1930s by navigation pioneer Lt. Philip Dalton, the E6B has changed little over the last 9 decades and combines the ability to quickly and accurately perform speed, time, distance, fuel burn, altitude/speed correction, wind drift and other calculations in a single compact package that requires no batteries. 0:00 Introduction 1:20 Lt.Philip Dalton / Evolution of the E6B 4:44 E6B Design Overview 5:54 Slide Rule Arithmetic 6:39 Time, Speed, Distance, Fuel Burn Calculations 7:42 Unit Conversion 8:35 True Airspeed / Density Altitude /Mach Number Correction 9:40 True Altitude Correction 10:15 Drift Angle Calculation 10:58 Wind Triangle Construction 14:12 Compressibility Correction 14:51 E6B Conclusion 15:23 RAF/RCAF Dalton Dead Reckoning Computer 16:50 RAF/RCAF Computer, Height and Airspeed Mk.II 17:00 Batori Jet Computer B-26 18:05 Outro SOURCES: https://www.code7700.com/pdfs/philip_dalton_the_lost_navigator.pdf https://www.survivorlibrary.com/library/navigation_tables_for_mariners_and_aviators_1940.pdf https://timeandnavigation.si.edu/multimedia-asset/mark-3a-plotting-board https://timeandnavigation.si.edu/multimedia-asset/dalton-mark-vii-dead-reckoning-computer https://web.archive.org/web/20230226113127/https://crip-power.com/e6b-flight-computer-tutorial-28/ http://www.stefanv.com/aviation/flight_computers.html https://cyanavigation.com/story-of-e-6b-philip-dalton/ https://www.historicflyingclothing.com/en-GB/ww2-raf-personal-equipment/raf-computor-height-airspeed-mk-ii/prod_16738 https://glenarborsun.com/hungarian-born-lou-batori-dies-at-age-107/

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