It means the British team will head to the first of four winter sessions at Circuit Ricardo Tormo in Valencia between 1-3 February with a standard 2010 chassis and a limited number of updates, while rivals Red Bull and Ferrari will unveil their new models for on-track testing.
And without any grand programme, Mr Smith is also cutting the number of basic car platforms (the chassis and drive-train mechanical bits that make the wheels go round) from 16 to eight, in line with best practice at firms such as Ford, Volkswagen and Toyota.
The car appears to include a number of innovative features - including a top to the chassis in front of the cockpit which is lower than on other cars, and a more extreme aerodynamic treatment in front of the sidepods alongside the driver.
