roll cage

(redirected from Roll hoop)
Also found in: Dictionary.

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.
Mentioned in ?
References in periodicals archive ?
The 3D-printed roll hoop is produced in a strong yet lightweight titanium alloy according to a design that includes a lattice that reduces weight while meeting aerodynamic and stress requirements.
You realise instantly what's happening and what the worst-case scenario might be - straddling the barrier between the roll hoop and the steering wheel.
The aerodynamic profile of the unusually shaped, aluminum roll hoop is another design highlight.
Television images of the October 5 accident, which were not publicly broadcast but have since been posted on the internet, showed the Marussia's roll hoop had been entirely ripped off in the massive impact.
The aerodynamic profile of the aluminum roll hoop is another highlight.
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.
For customers who want to acquire the car for track use, it comes equipped with road slicks and body-coloured roll hoops behind the seats.
The other point is that cars of all kinds, not just SUVs and up-market models, increasingly have protection systems inside to guard the occupants against the effects of a roll-over--side airbags in normal cars, roll hoops in convertibles.
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.