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DATE News (chronologically)
09/26/09
alms
Patron Highcroft repair summary  Below is a summary list of the work done on the Patr¢n Highcroft Racing Acura ARX-02a since Scott Sharp’s horrific crash Thursday at Road Atlanta in practice for Petit Le Mans powered by MAZDA6. Thanks to Paul Ryan with Patr¢n Highcroft Racing.

Prep Statistics:
Pre-Petit work list items: 190

Acura ARX-02a Statistics:
Chassis mechanical parts: 4000
Chassis electrical parts: 250
Engine parts: 100 (excluding internals of engine)
Gearbox parts: 350
Parts with tracked life: 1000 (excluding internals of engine)
Custom hardware (fasteners, o-rings, bearings): 450

Rebuild Statistics:
Parts reused: about 10% 

Rebuild Timeline (times are when tasks were completed, unless otherwise noted)

Thursday
3:43 PM - Accident
4:15 PM – Damaged assessment finished
4:45 PM – Spare part serial numbers allocated for car build
5:00 PM – Finalized arrangements to ship spare tub
6:00 PM – Spare tub picked up by freight service in California
6:45 PM – Damaged car stripped, reusable parts identified
11:00 PM – Replacement parts prepared and arranged for assembly
12:00 AM – Team back to hotel

Friday
7:10 AM – Spare tub arrives at Atlanta airport, met by team members
7:30 AM – Breakfast
8:00 AM – Begin preparation for car build, organize and layout assemblies
9:30 AM – Spare, bare tub arrives at track
11:00 AM – Tub preparation finished
12:00 PM - Lunch
11:30 PM - Fresh engine fitted
1:30 PM - Fresh gearbox fitted
6:00 PM - Dinner
8:00 PM – Four corners fitted on car
9:00 PM – Race spare preparation begins
11:45 PM – Hydraulic/fuel/electronic systems tested
1:00 AM – Engine fired
4:30 AM – Car on ground
5:45 AM – Set up finished
6:45 AM – Race strategy meeting
8:15 AM – Warm-up / Practice Session

Crash Statistics:
Just before impact:
Speed: 225 kph (140 mph)
Throttle: 100% (Full)
Lateral acceleration: 1.5g
Gear: 6th (Top gear)
Location: Before turn 2

During collision:
Car did a full rotation every 1.3 seconds
Peak acceleration > 15g
From impact to stop: 6.2 seconds

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