Ford Taunus TC suspended with a conventional wishbone suspension, which eschewed shock absorbers and gave the car a soft 'freeway' ride and, with the heavier 6-cylinder engines, a tendency to excessive understeer. Press criticism of the trade-off between the car's road-holding and ride-comfort soon evolved into a more general critique, not convincingly addressed by the manufacturer for several years, that Ford had launched the Taunus TC before they had finished developing it. A telescopic steering column designed to collapse in the event of a frontal collision (rather than penetrate the driver's chest) had been mainstream in competitor models from Opel and Volkswagen for
Thunderbird 2 pod vehicles seen in "End of The Road". No model manufacturer has yet made a "Thunderbird 2" model which incorporates these grabs. The Sealant Device is an underwater machine capable of sealing cracks in the sea bed or underwater air pockets. The device is initially buoyant but can be submerged and towed underwater by Thunderbird 4 to a disaster zone. Four steel pins are then activated which cement themselves into the ground whilst the central section acts as the sealant. The Sealant Device is seen in the episode "Atlantic Inferno". No models have been produced of this device. "Thunderbird 2" is used