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The DGA was established by Ed Headrick in order to focus his attention on building and inventing equipment for the sport he founded. Ed Headrick coined and trademarked the term "Disc Golf" when formalizing the sport and invented the Disc Pole Hole (The Mach 1), [1] the first disc golf target to incorporate chains and a basket on a pole.
The PDGA also has a professional staff [12] that handles tactical planning and day-to-day operations, led by the Executive Director. The staff perform the critical functions of the PDGA, including organizational operations, membership services, quality control and operations at large events, support for tournament directors and events of all sizes, marketing and media, and technological ...
The PDGA Disc Golf World Championships is one of four major championships in the sport of disc golf, along with the United States Disc Golf Championship, the European Open, and the PDGA Champions Cup. Held annually since 1982, the event crowns world champions in several divisions in the professional disc golf fields.
Tonal 2 has also launched with a brand new kind of hybrid cardio and strength series called Aero HITT. This series is designed to get all your fitness done at once, no additional pulse-racing run ...
A tachometer (revolution-counter, tach, rev-counter, RPM gauge) is an instrument measuring the rotation speed of a shaft or disk, as in a motor or other machine. [1] The device usually displays the revolutions per minute (RPM) on a calibrated analogue dial, but digital displays are increasingly common.
Tachymeter scale on a Citizen watch bezel. A tachymeter (pronounced / t æ ˈ k ɪ m ə t ər /) is a scale sometimes inscribed around the rim of an analog watch with a chronograph.It can be used to conveniently compute the frequency in inverse-hours of an event of a known second-defined period, such as speed (distance over hours) based on travel time (distance over speed), or measure distance ...
An auto tachometer has a sweep of about 240-250 degrees and typically uses an air core gauge. An air core gauge is a specific type of rotary actuator in an analog display gauge that allows an indicator to rotate a full 360 degrees. It is used in gauges and displays, most commonly automotive instrument clusters.
Another device used in tacheometry to measure distance between the measuring station and a desired point is the subtense bar. [2] This is a rigid rod, usually of a material insensitive to change in temperature such as invar, of fixed length (typically 2 metres (6.6 ft)). The subtense bar is mounted on a tripod over the station to which the ...