2014 inFlight Guide

Brian C Rogers

The most complete, comprehensive, and easy-to-use disc golf flight chart available!
The inFlight Guide is the only disc flight resource that you'll ever need. The inFlight Guide is the Rosetta Stone of flight charts. Disc flight data contained in the guide comes from a total of 19 different flight charts and rating systems with as many as six different sources being applied to any one disc. Using multiple data sources has a smoothing effect on a disc flight path and eliminates outlier values caused by unnecessary bias, flight testing extremes, and minor rating errors, creating the most reliable flight data available as the “Relative Stability Scale”. The easy to understand inFlight disc flight numbers are universal and can be applied to all manufacturers, instead of relying on a separate scale for each company.

How the inFlight Guide is Different
The inFlight Guide uses the “Relative Stability Scale” to model the flight path of each disc. Unlike other flight charts that utilize an arbitrary numbering system to describe different aspects of a discs flight, the Relative Stability Scale shows flight characteristics relative to the expected minimum and maximum range of values and are displayed as a %. While certain things, such as glide, are important, the Relative Stability Scale simplifies the flight values and summarizes each disc based only on the following:

• High-Speed Turn – High-Speed Turn occurs during the first part of flight when the disc is traveling the fastest, with the most spin, and is the amount to which a disc will turn to the right. The lower the % (especially negative %), the greater the likelihood the disc will bank right (and/or turn over) during the initial portion of flight.
• Low-Speed Fade – As the disc begins to slow down near the end of its flight and as the amount of spin decreases, the Low-Speed Fade is the amount to which a disc will bank left. The higher the %, the more the disc will hook left.
• Net Stability – Net Stability takes into account the total effect of both High-Speed Turn and Low-Speed Fade to provide the relative stability of a disc and helps to demonstrate the probable left-to-right position of the disc at the end of its flight. The discs with the highest % will be the most overstable and the discs with the lowest % will be the most understable, with varying levels of overstable, stable, and understable in between.
• Distance – Expected average distance achievable for a given disc, assuming the disc is thrown at the appropriate arm speed and power level.

Where the Numbers Come From
The values for the Relative Stability Scale come from numerous sources including manufacturer flight ratings and hands-on, experiential data based on the results of field testing by seasoned disc golfers. The values for each of the various data sources are then normalized, aggregated, and averaged to provide a comprehensive, relative picture of a discs expected flight path.

Additional Features

• Flight charts and data for nearly 540 discs
• Matrix view showing distance vs. net stability for each disc
• Includes data for current and out-of-production discs
• PDGA specs for all PDGA approved discs in the guide
• Flight information for discs by 41 manufacturers
• Grid-based chart to show not only the flight path and distance, but where the disc will travel on the X-axis, relative to its starting point
• Important documentation related to the assumptions regarding flight values, the flight rating system, and the factors that will affect disc flight and influence how the flight charts are to be interpreted

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