Sharkoon Silent Eagle Case Fan@ 2005/06/14
Case fan with golf ball surface structure
new rotor blade design: dimples optimize airflow / 1000 rpm and 2000 rpm models available
CaseMod(TM) manufacturer Sharkoon presents a new case fan with a completely unique design: the rotor blades of the Sharkoon Silent Eagle have the same surface structure as a golf ball. The blades are covered by small round depressions, which golfers refer to as "dimples". These slight concavities markedly improve airflow as well as reducing the noise level.
A golf ball with dimples has a trajectory four times as long as that of a smooth-surfaced ball. Without delving too deeply into the mysteries of fluid mechanics: while in flight, air circulates in the grooves, building local turbulences. These effectively wrap the ball in a cushion of air, reducing air resistance and helping to keep it aloft longer. The same principle has been in operation in nature for millions of years in the dispersion of plant pollens -- and now in the Sharkoon Silent Eagle as well, allowing for a notedly greater airflow volume with the same rpms.
The Sharkoon Silent Eagle is available in two versions: the Silent Eagle 1000 generates an airflow of 19.3 cu. m / h at 1000 rpm, while the noise level remains at a comfortable 8.9 dB(A). The Silent Eagle 2000 rotates at 2000 rpm and moves 38.5 cu. m of air per hour. At a noise level of 17.8 dB(A), this model performs extraordinarily quietly as well.
In addition to the blades, Sharkoon also optimized the fan's frame with rounded edges designed to improve air intake. The 80 mm case fan has a white propeller and black frame and comes with a robust metal sleeve bearing and a universal connection cable (3-pin as well as 4-pin plus a separate connection line for fan rpm monitoring) encased in a protective sleeve of rubberized fabric. Four fan screws and rubber bolts for vibration-free mounting inside the housing are also included in delivery.
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