roll cage

(redirected from Roll hoop)
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roll cage

[′rōl ‚kāj]
(design engineering)
A frame of metal bars that is installed in a racing car around the driver's seat to protect the driver in the event of an accident.
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References in periodicals archive ?
The aerodynamic profile of the aluminum roll hoop is another highlight.
MMSP will use these two VPD software products to perform non-linear contact analysis of the components of the WR04 rally car including analysis of the main roll hoop, an important chassis component that protects drivers in the case of rollovers.
To keep things under control amidst all the fun, Slingshot features electronic power assisted steering, ABS, electronic stability and traction control, and forged aluminium roll hoops.
The front of the car is dominated by the classic Ferrari single front grille with chrome finish and integrated air intakes for the brakes while two roll hoops are backed by carbon fibre-trimmed flying buttresses which stretch from behind the cockpit to the rear.
The exterior 'Black' pack is available with Firesand, Ultimate Black, Polaris White, Italian Racing Red, Rhodium Silver and Satellite Grey body colours and adds gloss black finishes to items including the front grille surround, side power vents and roll hoops (additions vary depending on the F-TYPE derivative).
The FIA are investigating the possibility of employing forward roll hoops on Formula One cars for additional safety.
Visitors can play traditional games in the museum's period village - roll hoops along the cobbled street, play hopscotch on the pavement or test their skills with whip and top and skittles.
With the roof in place, the rear views, either by mirror or over the shoulder, are not good' the roll hoops on the rear seats dominate the view and if it's raining there's no rear wiper.
The convertible's steeply raked windscreen and distinctive roll hoops are nicely linked to the neat folding roof by the slight rise of the sideline.
Roof down, the Streetka's Audi TT-style roll hoops are exposed, which looks funky.