british gp 2010 vettel storms in fp1 « the f1fanatics blog
For the new or stand-in drivers, Paul di Resta was 14th, while Fairuz Fauzy and Bruno Senna's replacement Sakon Yamamoto propped up the bottom of the times. Pos Driver Team Time Laps 1. Vettel Red Bull-Renault 1:32.280 22 2.
Source: http://f1fanatics.wordpress.com/2010/07/09/british-gp-2010-vettel-storms-in-fp1/

f1 vettel quickest in first britain practice
Sakon Yamamoto, in at HRT in place of Bruno Senna, was 24th. Pos Driver Team Time Laps 1. Vettel Red Bull-Renault 1:32.280 22 2. Hamilton McLaren-Mercedes 1:32.614 + 0.334 16 3. Kubica Renault 1:32.725 + 0.445 21 4.
Source: http://www.ushour.com/f1-vettel-quickest-in-first-britain-practice/

vettel fastest at new silverstone formula 1 cars
Sakon Yamamoto was slowest as he took over from Bruno Senna at HRT. class="thin">. Pos. Car, Driver, Car, Best lap, Gap, Laps. 1, 5, Sebastian Vettel, Red Bull-Renault, 1′32.280, 22. 2, 2, Lewis Hamilton, McLaren-Mercedes, 1′32.614
Source: http://formula1cars.info/vettel-fastest-at-new-silverstone

practice 1 vettel top as new layout tests drivers yallaf1 com
Third fastest was Robert Kubica, who has committed to his Renault team for the next couple of years, in the R30 which the Enstone based team are hoping they can challenge the dominance of McLaren and Red Bull. At the foot of the timing screens was newly drafted Japanese driver Sakon Yamamoto who was a surprise last minute replacement for Bruno Senna in the Hispania team. To his credit, Yamamoto did more laps than any other driver in the session (24 in all) but
Source: http://www.yallaf1.com/2010/07/09/practice-1-vettel-top-as-new-layout-tests-drivers/

bruno senna dropped for <b>sakon yamamoto<b> at hispania james allen <b><b>
Bruno Senna is in the paddock at Silverstone, but he's not driving the Hispania Racing car this weekend, having been replaced by Japanese driver Sakon Yamamoto. The team handled the change in a rather odd way, with rumours starting to emerge . 2, Red Bull Renault, 218. 3, Ferrari, 165. 4, Mercedes GP, 109. 5, Renault, 89. 6, Force India Mercedes, 43. 7, Toro Rosso-Ferrari, 20. 8, Williams Cosworth, 10. 9, BMW Sauber, 7. 10= Lotus F1, 0. 10= Hispania Racing F1, 0
Source: http://www.jamesallenonf1.com/2010/07/bruno-senna-dropped-for-sakon-yamamoto-at-hispania/