Scott Foil 2015
The Scott Foil represents the perfect balance of light weight, aerodynamics and stiffness, resulting in the most advanced road racing bike available.
Scott Aero Science is a dedicated group of engineers within the Scott organization who are charged with the task of applying the most innovative and creative of scientific principles in order to produce the most aerodynamic bicycles possible. They are targeted with thinking outside the box and experimenting with techniques that are in many cases new to the cycle industry.
To prove Scott Aero Science theories, they employ CFdesign software to test concepts virtually before validating physical design prototypes in the wind tunnel with quantifiable data.
Bike designs are additionally tested with mannequins, actual riders, and a range of environmental variables to ensure that test results accurately reflect real world riding conditions.
For 2015 we are once again offering our extremely popular Special Edition models across much of the Scott carbon range, in addition to the standard specifications, that feature superb upgraded wheels at minimal cost.
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Scott Foil - the worlds lightest aero bike!
The "F01" technology deployed in the Scott Foil is based on the theory that a partial aerofoil shape without a trailing edge can produce the same aerodynamic advantage as a traditional "teardrop" shaped aerofoil at certain air speed ranges (sdee below). Modern foil shapes are largely based on models and ratios created for airplanes by the National Advisory Committee for Aeronautics (NACA), but because bicycles are ridden at speeds far less than those of airplanes, these ratios do not necessarily apply to bikes. Scott Aero Science engineers have thus developed F01 Technology to create unique, bicycle specific tube shapes that maximize aerodynamic efficiency at lower air speeds. By implementing original, yet UCI legal ratios, and removing the typical aerofoil's trailing edge, Scott engineers were able increase frame strength and compliance while simultaneously lowering the overall weight compared to other 'aero' road frames.
All aerodynamic testing has been run at the Drag2Zero facility within Mercedes-Benz Grand Prix Wind Tunnel. The basic results in summary are: 20% drag decrease over a round tubed bike (with no rider in place - the measure most often quoted); an average of 4-5% decrease in drag with a rider in place at 45km/h; an average of 20 watt power savings at 45km/h (with a YAW angle between 0° and 15° as wind is never straight).
LATERAL STIFFNESS - IT'S ABOUT RIDING FAST: Foil engineering frame design offers higher stiffness than other "non-aero" frames. There is no compromise on lateral stiffness by using F01 Aero technology. But through careful layup of the carbon high stiffness has not been achieved at the expense of comfort.
WEIGHT - LIGHTEST AERO ROAD BIKE: the Foil is the lightest aero road bike on the market.
RIDER BENEFITS: the Foil can handle any mountain or flat ride and give the rider the perfect balance between aerodynamics, stiffness and weight. The Foil's frame saves 20 watts and therefore gives the rider a 4% to 5% overall gain in speed on flat rides - or for fewer watts, the rider can maintain the same average speed, keeping them fresh for whatever effort is most important. The Foil's IMP carbon construction allows for a lightweight and stiff structure - perfect for acceleration and climbing.
FUSELAGE INTERACTION: Every tube in the frame is oriented in relation to the leading edges of the down tube and head tube, as these are the first points of contact for any wind or air resistance. The rear stays are oriented 4 degrees from the seat tube to route air from the front triangle around the rear triangle cleanly, and are constructed with a carbon layup that additionally results in vertical compliance and therefore comfort. The shape of the seat stays create a silhouette effect that continues past the rear brake and hides them from the wind.
BOTTOM BRACKET AREA: The down tube flares at the oversize bottom bracket junction achieving several design goals. This construct adds lateral stiffness without increasing wall thickness, and the new bottom bracket disperses loads to effectively half the stress on this crucial junction. The shape of the down tube and bottom bracket carries seamlessly into the chain stays, further reducing turbulence and creating an additional aero benefit. Finally, the drive side outer diameter of the bottom bracket conveniently accommodates an SRM or power meter.
TAPERED HEAD TUBE AND F01 FORKS: The fork and head tube junction represents an excellent balance between the constraints of creating an aero frame and the need for lateral stiffness in a Road Racing frame. The fork most closely resembles a typical 3:1 aero ratio shape to seamlessly integrate with the head tube. The fork interfaces with the head tube using a 1 ¼" crown bearing, promoting lateral stiffness while maintaining the shape of the head tube's aerodynamic leading edge. Stiffness is further enhanced by the fork's carbon layup.
INTEGRATED SEAT CLAMPS AND AERO SEAT TUBE: The top tube borrows from prior Scott Aero Science work on the Scott Plasma3, in that the head tube functions as the leading edge and the tube then gradually transitions in diameter along a horizontal plane all the way to the seat tube. The recessed, integrated seat clamp matches the top tube and seat tube shape, avoids creating turbulence, and conforms to our tail shape principle. The Aero seatpost is available in 2 versions: 0° and 25° off-set.
INTEGRATED CABLE ROUTING: The shifter and rear brake cables are completely hidden and unique cable guides are employed to keep the cables from contacting/rattling the inside of the frame, resulting in smooth, quiet function.
IMP CONSTRUCTION FRAME: Scott's patented IMP Technology allows thin, complex shapes to be formed seamlessly. By removing 11% of the material from tube intersection. Complementing the IMP process, Foil frames benefit from Scott's Naked External Tubeset (NET™) finish, which eliminates the cosmetic carbon layer to shave precious grams.
"Out of the gate, the Foil is responsive under acceleration; bottom bracket stiffness and power transfer are impressive... Flying down a switchback descent on the Foil makes you want to push harder and harder to see what the limiter is, you or the bike—turns out it’s us....between the decrease in the frame’s drag over a round-tube bike and our position on it, the difference in speed versus effort is noticeable. Although the difference in aerodynamics of the bike alone aren’t enough to make a new rider out of you, it is enough to give you an edge during breakaway efforts or, if you want, to throw a pair of clip-on bars on it for the weekend time trial" Road Bike Action
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