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Topic: Slip (aerodynamic)

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Slip (aerodynamic) - Wikipedia, the free encyclopedia A slip is an aerodynamic state where an aircraft is moving sideways as well as forward relative to the oncoming wind. Inexperienced pilots will often enter slips unintentionally during turns by failing to coordinate the aircraft using the rudder; however there are two common situations where a pilot may enter a slip deliberately by using opposite rudder and aileron inputs: the sideslip, and the forward slip. Forward slips are rarely used for medium and heavy aircraft, but they are possible — in one famous example, the captain of the Gimli Glider used a forward slip to lose altitude while landing a Boeing 767 after running out of fuel over Manitoba. en.wikipedia.org /wiki/Slip_(aircraft)   (470 words)

Atlas F1 Bulletin Board - Too much aero If this is the case, it would be possible for the driver to instantaneously exceed the slip angle (due to mistake, whatever) - at which point the yaw angle will go up - and at which point it probably doesn't matter because the car is out of control and not recoverable anyways. It would depend on the amount of lateral force on the tyre, the amount of normal force on the tyre, the speed of the car, the yaw angle-of-attack of the aero surfaces, the yaw frequency, the driver's frequency, the aerodynamic characteristics of the various components of the car, etc, etc, etc. We were discussing whether the settings (which ranged from something like 7 to 15) were some sort of slip angles that the TC allowed before kicking in. forums.atlasf1.com /showthread.php?threadid=71588&pagenumber=3   (470 words)

::Aero-Experiments:: One of the questions on the FAA instrument exam test seems to imply that a skid is more threatening to the aircraft structure than a slip because the total, net aerodynamic load on the aircraft is greater in a skid; in my opinion this chain of logic is extremely incomplete. I've also found that the sideways aerodynamic forces that are created when a hang glider slips sideways through the air are quite small, due to the lack of cross-sectional area of the glider as seen in a side view. Much as hang gliding training manuals typically suggest that the pilot can control the "centrifugal force" vector via his pitch inputs, general aviation training manuals typically suggest that the pilot can control the "centrifugal force" vector with his rudder inputs. www.aeroexperiments.org /critiques.shtml   (9448 words)

Tacoma Narrows Bridge Whatever the reason, the forces acting against the bridge on the morning of November seventh were enough to cause a cable band to slip, which put enough stress on the other parts of the bridge that it failed. This fact was unknown to the designers, which is probably why they completely overlooked the aerodynamic aspect, although several bridges had collapsed earlier due to much the same reasons as the Tacoma Narrows Bridge, including the Niagara-Clifton Bridge, which had a similar length to span ratio. One reason for this was that the ratio between the depth of the girders to the span of the bridge was very large, over twice that of the Golden Gate Bridge. cems.alfred.edu /students/harttm/tacoma.html   (9448 words)

2006 Subaru Impreza Released in Japan Impreza’s exterior designs have been made more fully aerodynamic, in recognition of its participation in high-speed rally events and motor sport activities. The model also features an improved version of the driver’s control center differential (DCCD), an electronically controlled All Wheel Drive (AWD) system that adds a torque-sensitive, mechanical limited-slip differential (LSD). The Impreza WRX STI now boasts a maximum engine torque of 422 Nm (43.0 kg/m), nearly perfecting its already outstanding performance and drivability. www.worldcarfans.com /news.cfm/newsid/2050616.001   (295 words)

Supermodified Fast Facts - LaFave Motorsports #97 Supermodified The backbone of the supermodified is a narrow frame made of high strength steel with just enough room between the frame rails for the driver to slip into. The bodywork attaches directly to the frame, taking on an aerodynamic shape to allow for rapid acceleration on the straightaways and downforce in the corners. A Supermodified is the closest thing to the ultimate "speed machine" for an asphalt track under a mile in size. myweb.ecomplanet.com /DELO9529/mycustompage0008.htm   (237 words)

:: rogerebert.com :: Reviews :: The Fifth Element (xhtml) Four crucial stones, representing the four elements, had been kept here until a spaceship, looking something like a hairy aerodynamic pineapple, arrived to take them away, one of its alien beings intoning in an electronically lowered voice, ``Priest, you have served us well. Every 5,000 years, a portal opens between the universes where these two forces live; the evil force can slip through unless the five elements are correctly deployed against it. The ``fifth element'' of the title, we learn, is the life force itself--that which animates the inanimate (the other four elements are earth, air, fire and water). rogerebert.suntimes.com /apps/pbcs.dll/article?AID=/19970509/REVIEWS/705090303/1023   (1017 words)

USATODAY.com - Speedo speeds suits to winter athletes The same company that put swimmer Michael Phelps in its $400 high-tech swimsuit for the Summer Games already announced that it signed a team of U.S. Olympic hopefuls — led by Olympic gold medal bobsledder Vonetta Flowers — to wear its aerodynamic Fastskin FSII ice suits for bobsledding in Torino, Italy in February. Here's a little something some famous bobsledders will slip into for the 2006 Winter Olympic Games: Speedos. Speedo, best-known for skimpy swimwear, is entering the increasingly lucrative world of high-tech performance wear for winter sports. www.usatoday.com /sports/olympics/winter/2005-11-30-speedo-usat_x.htm   (684 words)

Marc Newson The ONERA enabled Marc Newson and the Fondation Cartier to carry out aerodynamic simulations (both digital and in the wind tunnel) to test the Kelvin 40. Take-off configuration Mach 0.2, at 15° angle of attack and 4° angle of side slip: flow streamlines and pressure on the exterior. Mach 0.8 at 4° angle of attack: illustrating the local Mach number www.onoci.net /cartier/newson_uk/fiche.htm   (684 words)

Nissan Murano Parts - Partstrain.com Just looking at it, the Murano displays an aerodynamic machine, with designs that helps it slip quietly through the air. Nissan’s high fashion looking Murano is available in an eight color combination for the exterior of two-tone scheme with three interior hues to mix and match. The Murano SE has a firmer sport-tuned suspension, styled alloy wheels, dark silver lower bumpers and a manual shift mode with high-intensity xenon headlights with a manual leveling feature that is optional on the Murano SL. www.partstrain.com /ShopByVehicle/NISSAN/MURANO   (540 words)

Saab Global, Saab Car Museum Saab´s characteristic traits were there from the start - front-wheel drive and good aerodynamic lines. Some facts: 2-litre turbocharged engine with an output of 270 bhp, torque 353 Nm, 4-speed, nonsynchronized gearbox with limited slip differential. For Saab employees the entrance is free, on presenting an id-card. www.saab.com /home/GLOBAL/en/saab_museum.xml   (943 words)

RWD - cooling fan clutch workings As the RPM's increase, the aerodynamic drag on the fan blades also increases and the fan clutch will "slip" somewhat. The greater the RPMs (and fan drag), the greater the difference in water pump RPM vs fan RPM. At low RPM's the fan turns at something close to the water pump speed. www.brickboard.com /RWD?id=937626   (247 words)

10381.050203&ELEMENT_SET=DECL Currently, foil bearings are limited to rotational axes and most of the time they are working without air supply (aerodynamic), which limits their stiffness considerably: indeed, the stiffness achieved by self-acting foil bearings is negligibly small. More force is needed to initiate motion than to maintain it, leading to an imbalance between start and stop and leading to a stick-slip action. Air bearings excel in applications requiring tight velocity control such as scanning and wafer inspection, because they eliminate force ripples from recirculating ball bearings loading and unloading. www.wipo.int /cgi-pct/guest/getbykey5?KEY=05/10381.050203&ELEMENT_SET=DECL   (6897 words)

Aileron Tabs Improve Stability When the plane started to side slip, the tabs applied force to the ailerons, causing the plane to bank, or roll, and regain lateral stability," Grenestedt said. The innovation could help aircraft designers solve an important aerodynamic problem in creating marketable aircraft. According to Grenestedt, civilian aircraft must be able to be rolled upright using rudder alone in case the aileron controls fail. www.avweb.com /newswire/11_20a/briefs/189775-1.html   (252 words)

From the Rear: a Brief History of Cooper For the British Grand Prix of 1955 the Cooper Car Company wheeled out their first Formula One car, a the Bristol-powered T40, wrapped in an aerodynamic body reminiscent of the previous year's Mercedes W196 'slipstreamers', with the young Australian Jack Brabham driving. Cooper did pick up a win with John Surtees in Mexico, and Pedro Rodriguez at South Africa in 1967, but by 1968, Cooper were reduced to using customer BRM engines at a time when BRM themselves were starting to slip from the front rank of teams. An early JAP-powered Cooper was entered in the Monaco Grand Prix of 1950, the second World Championship era Grand Prix, but was one of the many eliminated at an accident at the first corner. www.atlasf1.com /2001/jan10/jones.html   (252 words)

Oversteer - Wikipedia, the free encyclopedia A more technically correct definition is that oversteer is the condition when the slip angle of the rear tires exceeds that of the front tires. The source of oversteer is placed on several factors as mechanical traction, aerodynamics and suspension. In modern race cars, specially the open-wheel cars, the oversteering is caused mainly due to the aerodynamic configuration. en.wikipedia.org /wiki/Oversteer   (759 words)

Marc Newson The ONERA enabled Marc Newson and the Fondation Cartier to carry out aerodynamic simulations (both digital and in the wind tunnel) to test the Kelvin 40. Take-off configuration Mach 0.2, at 15° angle of attack and 4° angle of side slip: flow streamlines and pressure on the exterior. www.onoci.net /cartier/newson_uk/fiche.htm   (759 words)

Caldwell Toyota (973) 882-1822 While its fluid lines and aerodynamic architecture bring pleasure to the eyes, the multi-adjustable seats, contoured control panels and spacious cabin interior make this driving experience one that will definitely add a few years to your youth. Forget about "supposed to's" and slip behind the wheel of a sleek 2000 Camry Solara. The well-equipped SE is imbued with a unique blend of style and performance. www.caldwelltoyota.com /newv_solara.html   (759 words)

Aerodynamic Drag, Viscous, Wave, Interference, Lift-Induced Viscous drag is produced by the effects of viscosity on the aerodynamic systems, through the thrust that must be applied to overcome the shear layers due to the non slip condition. Interference is the effect of the presence of one body on the aerodynamics of a second body. Drag due to lift is the result of the downwash (vertical flow) and to the strength of the vortices produced at some particular locations (wing tips or other sharp edges) of many lifting systems. aerodyn.org /Drag/drag.html   (798 words)

Viscous Aerodynamic Analysis -- Asymptotic Approach Examination of equations (1) reveals that because of the no-slip condition, the convective term u · To obtain a non-singular solution, two separate sets of variables and equations are used - one set for the viscous shear layers, and a second set for the remaining outer flow, as shown in Figure 1. There is a one-way coupling from the outer to the inner equations: The outer equations can be solved first independently, and the resulting velocity u then provides the boundary condition and pressure-gradient term for the inner equations, as shown in Figure 2. web.mit.edu /16.110/www/aero_analysis_problem.html   (748 words)

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