Results Baltic Open 2009
Saturday, 22 August 2009 16:18
TeamCity
Year
Acceleration
Super-Slalom
SprintEnduranceOverall
Formula Student Team
Talinn2009
67,03
150,00134,74300,00
651,77
Stadia Motorsport
Helsinki
2006
49,27
131,19105,52298,27
584,25
Formula Student Team Talinn
2008
66,01
124,1291,61290,07
571,78
Unicorn Racing
Aalborg
2008
44,69
49,2674,93229,37
398,25
Metropolia Motorsport
Helsinki
2009
75,00
136,75150,000,00
361,75
Tampere UAS Motorsport
Tampere
2009
0,00
0,00
92,57
261,74
354,31
KTH Racing
Stockholm
2004
55,90
39,54
66,08
184,83
346,35
Tampere UAS Motorsport
Tampere
2008
0,00
0,00
67,27
182,43
249,70
Clear River Racing
Karlstadt
2009
52,30
0,00
0,00
0,00
52,30
KTH Racing
Stockholm
2009
0,00
7,50
0,00
0,00
7,50

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The force of the wind: Aerodynamic pack
Friday, 21 August 2009 06:36

Author: Nicolás Gómez Osorio, UPMRacing, Universidad Politécnica de Madrid

This year at Silverstone, where we are the only car with a full aerodynamic package even though some teams have ground effect plates we studied in CFD the three items in our car: the back and front wings and the ground effect plate with a keel. Our goal was to reach up to -1 value in the CL, indeed we reach almost -1.5.

First, we started our simulation having the basic forms our body work and after we gathered some info like lift and drag coefficients, and the forces in the car at 55km/h we started to introduce item by item and comparing the results.

Figure 1 Aerodynamic Mesh

The simulation was done with the two equations model K-epsilon, the mesh used more than 4 million cells, we use specific mesh for different zones making it smaller for example in the zone we thought we could have some detachment of the boundary layer.

We used tetrahedra cells and as you can see we use a symmetry plane in the middle of the car.

Figure 1.    Mesh.( Fluent Study)

Figure 2.    For the zones far away of the model the cells  had linear increment. (Fluent study)

The first item to be introduce was the ground effect plate with the keel, the keel is an element that you don’t see it quite often in formula SAE, nevertheless in F1 the teams have three different simple configurations, double or “null keel” the last as no keel at all, for us this item had two functions splitting the air flow in two in order to feed the side pots properly and also giving us some extra down force by increasing the pressure above the front of the ground effect plate. In figure 3 you can see the keel and the ground effect plate.

Figure 2.    For the zones far away of the model the cells  had linear increment. (Fluent study)


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Small is Beautiful – Braking the Caliper Mould
Tuesday, 18 August 2009 18:52

Author: Alex Bell, Leeds Formula Student Race Team

self designed brake caliper by University of LeedsCost control and reduction is an important element in the Formula Student Team challenge – and for motor manufacturing in general - and at Leeds a small part of this has been achieved through the development of a bespoke caliper that has been designed and manufactured in-house. For the Formula Student Team at Leeds this has proven to be the most cost effective solution for the design of the foundation brake.

The Leeds Team comprises a mix of third and fourth year undergraduate students, drawn from the Mechanical and Automotive Engineering programmes and supported, in part, through long established brake system research in the School of Mechanical Engineering.  In the most recent UK Government Research Assessment Exercise the School achieved an impressive 75% of research activity rated internationally excellent or world leading. This strong research base is supporting the exploration of novel design solutions and provides team members with valuable broad based product engineering experience from which to draw upon.

The current Leeds car, F12, utilises three fixed four pot calipers, two acting on the front wheels and one inboard rear caliper acting on the differential unit. A fixed caliper and floating disc form the heart of the foundation brake assembly. Together they minimise the likelihood of any problems linked to insufficient pad retraction in the off brake condition.   


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Results Overall FSA 2009
Saturday, 15 August 2009 21:00
 PlaceTeam
Score
 Winner Overall Beaver Racing - Oregon State University
 1. Corvalis(OSU)
 918,57
 2. UAS Graz
 775,57
 3. Ravensburg 772,18
 4. TU Graz
 763,38
 5. TU Munich
 736,07
 6. Zurich 730,00
 7. Loughborough 711,05
 8. UAS Munich
 670,90
 9. Schweinfurt 626,12
 10. UAS Hamburg
 622,43

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Results Skidpad FSA 2009
Saturday, 15 August 2009 19:00
 Place Team Time G Score
 1. Montreal (ETS)
 5,060 1,34 75,00
 2. Vienna 5,086 1,33 72,79
 3. Ravensburg 5,208 1,26 62,88
 4. UAS Graz
 5,234 1,25 60,85
 5. Zurich 5,272 1,23 57,95
 6. Kiel 5,289 1,22 56,67
 7.
 Corvalis (OSU)
 5,339 1,20 52,98
 8. Loughborough 5,431 1,16 46,45
 9. Regensburg 5,438 1,16 45,97
 10. TU Graz
 5,441 1,16 45,76

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