Torsional refers to a twisting or rotating force. It describes an action or force that causes an object to twist or spin around its axis.
Full definition
Intelligent lightweight construction goes hand in hand with increased
torsional rigidity in both the body and newly engineered chassis.
The hugely
increased torsional rigidity of the new cee'd bodyshell (45 per cent stiffer than the original model), has also enabled Kia «s engineers to introduce numerous small changes to components, springs and shock absorbers that influence ride quality, refinement and NVH.
Honda claims a 25 percent gain
in torsional rigidity for the unibody structure thanks in part to the increased use of high - strength steel.
The carbon spaceframe construction, together with the impressively
high torsional stiffness of the under - body structure, allows the arrangement of the side sills to be combined with extremely high body rigidity.
Nissan says that it has achieved an 82 - pound drop in curb weight while
improving torsional rigidity by 25 percent thanks to the use of high - strength steels.
The propeller is driven by an integrated gearbox (ratio 1.69:1) with
torsional vibration damper.
The combination of double
torsional damper and centrifugal pendulum technology in the torque converter provides drive comfort.
With torsional stiffness of 32,000 Nm / o, the body of this new model sets the standard in its segment, offering both driver and passenger passive safety of the very best: Benefiting from perfect interaction of the body and safety systems, the car's occupants enjoy perfect protection in virtually any kind of accident.
The fully boxed steel frame represents an 88 - pound weight loss, but provides 10 percent
greater torsional rigidity with eighty percent of it built of high strength steel.
A high - strength steel structure ties this all together, and it apparently has higher
torsional strength than the Lexus LFA.
All those dynamic upgrades begin with the new Sportage's structure that's now built from 51 percent high - strength steel compared to the 18 percent in the old model and results in
better torsional rigidity by 39 percent.
The new XF is best in class
for torsional stiffness, and with a wide rear track displays excellent handling characteristics.
A rollcage extending to the rear shock towers offers 46 percent
more torsional stiffness compared to the outgoing Gallardo Super Trofeo and «at least 70 percent» more rigidity than the road - going Huracán, according to chief test driver Giorgio Sanna.
The bones of soaring birds can withstand high
torsional forces — the twisting force made when wringing out a towel.
The shape of the rear beam is the same as on the saloon to maintain high
body torsional rigidity.
Chan and Kim's claim prompted enormous excitement, and about a dozen researchers began building
torsional oscillators in a bid to replicate the observation.
The Polestar 1's body is made from carbon fiber, which helped it lose about 500 pounds,
while torsional stiffness improved 45 percent.
The benefits of strategic use of high - strength steel are immediately evident in 16 percent
stiffer torsional rigidity and 40 percent stiffer bending rigidity compared with the highly - acclaimed first - generation architecture.
The bending and beaming stiffness of the frames is increased 92 percent and 20 percent, respectively, with the fully boxed sections
enhancing torsional stiffness by a factor of five.
The tubular frame has been reinforced for improved
torsional resistance; The car received a new front end with a narrow, over the entire width of the car radiator grille.
Noise and vibration have been reduced by the use of a
double torsional damper on the crank pulley, while fuel efficiency is supported by the use of D - 4S direct fuel injection, Atkinson cycle operation, optimized VVT - i operation and a high compression ratio.
Groundbreaking BMW Carbon Core passenger cell technology is the key element on the body structure by the extensive use of carbon fiber reinforced plastic (CFRP) and the strategic application of the lightweight design to reduce weight and increase both the
overall torsional strength and bending stiffness.
The end result, the company claims, is a structure that is twice as strong in
static torsional rigidity and three times stiffer in dynamic tests than the «next highest competing vehicle evaluated by Honda's engineers».
Viper engineers have also managed to increase
chassis torsional rigidity by 50 percent while shaving 100 lb.
A tower brace beneath the hood provides
additional torsional rigidity, and the dual tailpipes feature a ZL1 - style active exhaust flap.
A double
turbine torsional damper with centrifugal pendulum which adapts to engine speed helps to minimise vibrations in four - cylinder operation and enhances the impression of comfort experienced by the vehicle occupants.
Outstanding performance and efficiency: powerful engines, top - class chassis technology and a body boasting
impressive torsional rigidity allow the new BMW 3 Series to build on its position as the sportiest sedan in its segment.
The monocoque, together with the front and rear Aluminium frames, features an impressive combination of
extreme torsional stiffness of 35,000 Newton meters per degree and weighs only 229.5 kilograms (505.9 lb).
Quick flight birds can bear only
low torsional forces, and gliding birds fall somewhere in the middle.
The heavy duty 11 - gauge steel mainframe helps minimize
torsional flex even at high loads.
The ZF 8 - speed transmission is based on an innovative gear set design with four planetary gear sets and five shift elements designed to significantly reduce internal drag losses, while the
modern torsional damper systems in the torque converter improve fuel economy and reduce CO2 emissions.
Since BMW has learned a lot about carbon fiber with the i3 and i8, the company will clearly try to further improve critical aspects such
as torsional and bending rigidity, crash performance, and durability.
More typically found in aviation - and racing - engine applications, the transmission features Kia's first use of a Centrifugal Pendulum Absorber (CPA) torque converter to help
reduce torsional vibrations through the drivetrain.
The lead chassis engineer for the Civic Type R, Ryuichi Kijima, said the car's high - rigidity body,
added torsional stiffness (up 38 per cent on predecessor) and new multi-link rear suspension were all vital pieces in the record lap.
With extensive use of carbon fiber throughout the new Monocage II tub, including windshield surround and the center roof section, weight is down to little more than 2,800 pounds with the
same torsional rigidity for the coupe and spider version.
This technology provides
variable torsional resistance and works in concert with the three Drive Dynamic Control settings: Comfort, Bentley and Sport modes.
A contributory factor was the offset location of the welds, which resulted in
torsional loading under conditions of fatigue and the high stress concentration at the root of the weld caused by the incomplete fusion.
The use of high - tensile steel in critical areas throughout the unibody provides Equus with significantly higher
dynamic torsional rigidity and a lower body structure weight, despite having a spacious interior cabin.
Unlike traditional truck offerings which utilize body - on - frame construction, the 2017 Ridgeline's unitized body construction provides for vastly
superior torsional body rigidity with lower weight, which directly benefits driving performance, fuel efficiency and efficient interior packaging.
This innovative method uses
torsional energy to move the camshafts similar to the way a hydraulic ratchet works.
The chassis is a blend of aluminum and steel, with frameless aluminum doors,
torsional beams replacing a C - pillar, and cross-members in aluminum contributing to the lightweight Urus, as does the chassis floor in a high - strength steel material.
The new transaxle is some 16 % lighter than the P410 transaxle, and features a redesigned a
new torsional vibration damper to help suppress engine noise as well as the transfer of vibration between the engine and transaxle.
This lightweight chassis provides
exceptional torsional stiffness for an open top car, improved by 40 % over its Gallardo predecessor, and delivering the handling precision of a race car whilst forming the backbone of the lightweight engineering concept.