| First engine design meeting: | August 2004 |
| Engine specification first issue: | October 2004 |
| Layout work started on MP4-21: | April 2005 |
|
First design meeting: | April 2005 |
| Gearbox simulation: | Mid April 2005 |
| Car specification first issue: | May 2005 |
| First scheming of gearbox: |
May 2005 |
| First dyno test for V8 engine: | June 2005 |
| Windtunnel work commences: | Early July 2005 |
| First drawing for gearbox: | July 2005 |
|
Datum sheet Issue, final dimensions: | August 2005 |
| First track test for V8 engine: | September 2005 |
| Gearbox production begun: | September 2005 |
|
Chassis manufacturing begun: | October 2005 |
| Car mock-up ready: | Chassis –November 2005
Initial engine –November 2005
Final engine – December 2005 |
| First chassis ready for bonding: |
December 2005 |
| FIA test on first chassis: | December 2005 |
| First car build started: | December 2005 |
| First car build finished: | January 2006 |
|
First track test of MP4-21: | 23rd January 2006 |
| Cars depart McLaren Technology Centre for first race: | Friday 3rd March 2006 |
|
|
 |
| MP4-21 SPECIFICATION |
| ENGINE |
| ENGINE Type: | Mercedes-Benz FO 108S |
| No. of cylinders: | 8 |
|
Fuel: | Mobil Unleaded |
| Lubricants: | Mobil 1 products |
| Weight: | 95kg |
| TRANSMISSION |
| Gearbox Speeds: | Seven forward and one reverse |
|
Semi-auto: | Yes |
| Driveshafts: | McLaren |
| Clutch: |
Hand-operated |
| Chassis: | McLaren moulded carbon fibre/aluminium honeycomb composite incorporating front and side impact structures.
Contains integral safety fuel cell. |
| Front Suspension: |
Inboard torsion bar/damper system operated by pushrod and bell crank with a double wishbone arrangement. |
| Rear Suspension: | Inboard torsion bar/damper system operated by pushrod and bell crank with a double wishbone arrangement. |
| Suspension dampers: |
McLaren. |
| Electronics: | McLaren Electronic Systems control units incorporating electronics for chassis, engine and data acquisition.
McLaren Electronic Systems also supplies the electronic dash board, alternator voltage control, sensors, data analysis
and telemetry systems. |
| Bodywork Construction: |
One-piece sidepod and engine cover. Separate floor section, structural nose with integral front wing. |
| Tyres: |
Michelin |
| Radios: |
Kenwood |
| Race Wheels: |
Enkei |
| Batteries: |
GS Yuasa Corporation |
| Steering: |
McLaren power-assisted |
| Instruments: |
McLaren Electronic Systems |
| Adhesives: |
Henkel Technologies |
