Glider Winch Launch Simulation - A mathematical model of the launching process illustrates the variation in the magnitudes of the speeds, forces and power required for a good winch launch.
Winch Launch Simulation Results
Soaring at Sugarbush, VT - Description of soaring with aerial pictures, GPS tracks, barogarph plots and maps. The descriptions includes pictures of scenic Vermont.
Some Physics applied to Soaring
Turn and Bank Explanation
Cross Country Calculator for distance around a triangle and location given distance and bearing.
(Java Script Calculator)
Soaring Training and Instruction Documents
As an instructor in the Bluenose Soaring Club, I developed a number of modules for ground school and put them in PDF format. There are seven of them below
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Basic Glider Aerodynamics
as necessary to explain gliding and soaring in a glider. (6 pages - 354 kB)
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Glider Flying Stability
A page of diagrams showing the effects of shape and controls on the stable flight of a sailplane. (53 kB)
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Wing Airfoil Properties
Graphs showing the dependence of lift of a wing with shape, speed, and angle of attack (1 page 34 kB) Uses the program Foilsim
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Advanced Sailplane Aerodynamics
This gives more technical aspects of the operation of a sailplane and discusses the parameters considered for design of an efficient aircraft. (7 pages 192 kB)
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Glider Navigation
Basic instruction for the use of maps for navigation and consideration for navigation during wind conditions. Discussion of glide slope for sailplanes in wind conditions. (4 pages 1.0 Mb)
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Glider Instruments
This explains the operational principle behind the essential instruments in the glider cockpit. It also gives the pilot the knowledge to fix or assemble their own plumbing that operates the instruments. ( 7 pages 460 kB)
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Interpreting Weather for Soaring
A presentation of the factors that determine good soaring weather. Emphasis is on predicting when the soaring weather from available weather data - with example exercises. Discussion of the soaring weather in Nova Scotia. Example of a Wave Flight in Nova Scotia. ( 9 pages - 1.05 Mb)
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GPS and Recording your Flights
Explanation of the theory and operation of Global Positioning Systems. Discussion and illustration of the use of a GPS and flight recorder to record flights. This shows the value of a flight recorder in learning to soar efficiently. (6 pages 510 kB)
Created on ... August 20, 2006-revised July 2010
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