1997 MercedesBenz F300 Life Jet | Conceptcarz com

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Mercedes-Benz F 300

1997 Mercedes-Benz F300 Jet news, pictures, specifications, and

The idea behind the F 300 Life presented at the 1997 Frankfurt Show, was to combine the benefits of a wîth those of a car. able to lean into to feel the power of the engine, and be to the elements: these are the trademark characteristics of the F 300 Life Jet. Its properties include greater thanks to its three wheels, a seat belts and air conditioning. In it requires neither a helmet nor clothing.

The most striking of this research vehicle was its Active Tilt Control, was developed specially for the F 300 Life Jet and it lean into corners. It featured specially developed that allowed for such a tilt angle. The chassis of the F 300 Jet was made of aluminium and weighed 89 kilograms. The bodyshell was inspired by design, as were the vertically front-hinged doors. In fine the two roof sections could be and stowed in the boot, turning the F 300 Jet into a cabriolet.

The headlamps’ were linked to the computer for the Tilt Control system and thus switch on a special light. The idea of headlamps follow the line of the road can now be in the Active Light System on Mercedes-Benz cars such as the

The F 300 Life Jet was the first research to be designed completed by computer. As it also served to test a new tool.

Source —

Dynamic driving pleasure on wheels

Cornering dynamics of a safety of a passenger car

Body and wheels tilt when bends

Three wheels, two and a jet-design body – these are the characteristics of a research vehicle which DaimlerChrysler surprised the at the Frankfurt Motor Show in 1997. The F 300 Life-Jet is aimed at a §egmènt which does not exist yet, namely the between passenger cars and A new species of vehicle could itself here which everything the modern motorist for the perfect driving experience: the fun of a convertible, the individuality of a roadster, the of a sports car, the comfort of a car and – not least – the safety of a Mercedes-Benz.

The F 300 offers all these attributes, and them wîth a further feature which car drivers previously lacked: the driving and cornering dynamics of a motorcycle. this research vehicle seemingly contradictory characteristics: it is as and comfortable as a four-wheeled vehicle but as as a two-wheeler.

Active Tilt Control lies at the heart of the F 300 technology. system is based on the lightning-fast between electronics, hydraulics and sensors register the current situation and continuously feed the computer wîth data the yawing and linear speed of the the acceleration, the current §teering and the position of the hydraulic cylinder steers the front axle. On the of this information the computer the necessary angle of body and sends the relevant control to the hydraulic system. As a result, the F 300 adopts a precisely calculated of tilt when negotiating which reflects the current situation and therefore offers the possible resistance to overturning. At speed, for example, the ATC computer only a very small of body roll and provides stability, but quickly allows the control system to select a angle of tilt of 30 degrees at road speeds.

Cornering of a motorcycle By means of this tilt on bends, the F 300 developers are to compensate a large proportion of the forces which act on the vehicle and its resistance to overturning. The centre of is shifted to the inside of the bend, compensating the tendency to overturn and high cornering speeds The maximum lateral acceleration of the F 300 is 0.9 g – a level normally only by experienced motorcyclists. The loads on the occupants remain low, Owing to the tilting effect on they only need to the centrifugal forces to a very extent – an advantage that improves ride comfort.

The and transmission of the three-wheeled study are in a position between the interior and the wheel. The 1.6-litre power adopted from the A-Class has an of 75 kW/102 hp and accelerates the F 300 Life-Jet standstill to 100 km/h in just 7.7 The maximum speed is 211 km/h. innovative three-wheeler therefore the performance levels of much powerful sports cars and

Aluminium chassis wîth roof sections

The chassis of the is made from aluminium and only 89 kilograms. Special of the body include an upward door on the driver’s side, a pivoting door on the passenger and a fixed roof of aluminium and plastic which makes the F 300 a genuine all-season vehicle. The two sections can be easily removed and in a compartment above the rear converting the three-wheeled study an open-top roadster.

An innovative headlamp wîth reflector areas and two bulbs maximum road illumination negotiating bends. The headlamp are linked to the ATC computer, pivoting the according to the body tilt and on a special cornering light required. This increases the illuminated by the dipped headlamp by more than 80 percent.

space-saving neon lighting is used for the indicators, brake and side lights of the research The driving lights are switched on by a sensor when darkness or the vehicle enters a tunnel. passenger cars have equipped wîth this since 1998.

Source Mercedes-Benz

F 300 Life-Jet Resarch Car

F 300 the three-wheeled driving machine • New for sport-utility vehicles of the day after

• The cornering dynamics of a motor the safety of a saloon car

• Body and wheels lean into the

• Sensors and computer calculate angle

• Consumption wîth A 160 just 5.3 litres

• Computer- headlamp wîth special light

With the research F 300 Life-Jet on show at the 57th Interna-tional Motor Show Daimler-Benz is airing some new on vehicle concepts of the future for the and young at heart. The three-wheeler study, equipped wîth technology, blends the special and cornering dynamics of a motor wîth the safety and comfort of a car — a combination which unrivalled driving enjoyment.

to a new active tilt control the front wheels and body of the lean into the bend cornering. This means the F 300 combines cornering speeds wîth those of a motor wîth maximum standards of safety. The tilt control increases the ride comfort for the who hardly need to brace against centrifugal forces cornering. A sophisticated electronic uses the vehicle speed, §teering angle and yaw to calculate the angle of tilt required in any situation.

The electronic commands are on to a hydraulic cylinder on the front which, wîth reference to the angle, pushes one of the two spring outwards to produce the desired of lean. The maximum tilt is 30 degrees.

Engine and transmission from the A-class

The three-wheeler’s and transmission are space-savingly accommodated the interior compartment and the rear The Daimler-Benz researchers decided to use the 1.6 75 kW/102 hp engine from the new A-class. The four-cylinder unit the F 300 Life-Jet from 0 to 100 km/h in 7.7 seconds. With a top speed of 211 the innovative three-wheeler boasts the of more powerful sports or roadsters.

In the new European driving cycle, the consumes just 5.3 litres of per 100 km/h (NEDC overall

Aluminium chassis wîth roof sections

The two-seater car has an aluminium chassis which only 89 kilograms. Points of on the body include an upward-swivelling for the driver, a rear-swivelling passenger’s and a hardtop of aluminium and trans-parent which makes the F 300 Life-Jet an all-weather, all-year-round contender. The is split into two halves. To the three-wheeler into an open these can be quickly and easily and stowed away in a compartment the rear wheel.

Headlamp automatic cornering control

A front headlamp wîth reflector zones and two bulbs maximum illumination when The headlamp is equipped wîth an control system which is to the active tilt control. It the headlamp position in response to the of the body and if necessary activates an cornering light. This the width of the dipped beam by than 80 per cent.

The direction brake lights and side lights of the research vehicle a new, space-saving neon technology. The low beam is automatically on by a sensor at nightfall or when a tunnel.

The F 300 Life-Jet in dialogue show visitors

Daimler-Benz take the unveiling of the F 300 Life-Jet at the International Motor Show as an to engage in dialogue about the new wîth visitors attending the The company will look at the public’s reactions, which influence its decision whether or not to a novel, activelifestyle vehicle of kind in a production version.

— Mercedes-Benz

F 300 Life-Jet Car Driving dynamics

On a roll • tilt control wîth

• High lateral acceleration, safety

• Computer- controlled system to regulate tilt

Mercedes-Benz F 300

excitement, sport, leisure, emotion. As modern lifestyles so do the expectations facing the car. models are on the advance — that in addition to their role are also active in the pursuit of leisure interests. The F 300 also offers another teamwork between ‘man and — between the occupants and the which scales new dimensions in dynamics.

The heart of this technology is ATC Tilt Control), a system in electronic, hydraulic and mechanical communicate at lightning speed. assess the driving situation at any moment and supply data the yaw and longitudinal speed of the vehicle, the the §teering wheel angle and the of the hydraulic cylinder controlling the axle.

The computer then this information to calculate the body tilt angle and the necessary commands to the hydraulic As a result, the F 300 Life-Jet corners at an which will ensure safety. At top speed for example, ATC only a small degree of which helps to stabilise the while at more moderate it reacts very quickly to a tilt angle of up to 30 degrees.

The ATC is also quickly able to different driving styles the various sensors on the F 300 Life-Jet a direct dialogue between man and The system can distinguish whether a has a more sporty style or a less hectic style and it to these preferences when the front axle.

Cornering similar to a motor cycle


active cornering control, it is to counteract a large portion of the forces which act on the vehicle and its tilt characteristics. The centre of is shifted more towards the of the corner, largely eliminating the moment and permitting high speeds. The F 300 Life-Jet can cope a maximum transverse acceleration of 0.9 g, a normally only encountered by motorcyclists. Even under conditions, the stress on the occupants is Lttle bracing effort is and this makes for a much comfortable ride.

The safety of the F 300 Life-Jet over a motorcycle is especially in critical situations. while cornering, sudden manoeuvres and other operations can often cause problems on two pose no risks and the vehicle unflappable. Even close to the driving-dynamic limits, the innovative is easily controllable, thanks to its char-acteristics. The critical tilting is only reached at 1.15 g.

and microcomputers in triplicate

To come to the engineering: all the ATC systems are provided in in the interests of active safety and functioning. As soon as the first has processed the data from the and calculated an optimal tilt a second microcomputer comes play and checks the tilt It uses the information from its sensor system, computes a range of possible tilt and compares these values the actual situation.

Should the actual tilt be outside the tolerance range, the module switches off the ATC system and a third emergency system. The F 300 is still fully operational. If an error occurs, the hydraulic still has sufficient pressure to reducing body tilt cornering and öane changes.

tyres wîth high to lateral forces

The tyres a prominent part in the impeccable of the F 300 Life-Jet. Though they like conventional motor tyres they actually an innovative construction principle for under enhanced camber and conditions. The front axle is wîth size 150/80 ZR 16 wîth a special tread for low friction and low side-slip resistance. The of the rear wheel (190/50 ZR 17) are different, wîth a high-friction and reinforced belt which is resistant to side-slip forces. intelligent tyre configuration good-natured handling characteristics a tendency towards understeer, keeps the rear wheel on track.

The magnesium rims of the F 300 only about 75 per cent the of a conventional motorcycle aluminium

Hydraulic cylinder between the wheels

The hydraulic system in the F 300 consists basically of a pump, two reservoirs and a servo cylinder valve placed cross-wise the front wheels. The pump is to the engine. As soon as the engine is it delivers the hydraulic fluid to the two at a constant pressure of approximately 180 Via a valve the ATC computer creates the required to set the axle components to the tilt angle. The hydraulic is connected on the left and right to a lever shaft. When the is actuated, the joints actuate the anchorage points of one of the two spring The axle control arms and rods follow this and as a result the wheel and body the desired tilt angle. the linkage between the lever ensures that the opposite strut too follows this moving out of its original position to the body.

Front axle of fibre and steel

The sophisticated front axle uses an new material which is particularly and strong — carbon reinforced plastic (CFRP). The components are aerodynamically streamlined but also have enough inside to accommodate the brake and cables leading to the front Admittedly, steel cannot be wîth altogether. It is combined CFRP on the upper and lower axle guide tubes, the control arms and ensuring an connection between these, the sub-frame and the axle bearings.

The motorcycle-type suspension unit at the of the research car forms part of a power transmission system. It is of …-cast aluminium and is connected to the via lateral arms. The drive is via a toothed belt and a shaft eccentric disc inside the unit.

Developed in the computer, in the simulator

The F 300 Life-Jet already has of test kilometres under its — on the computer. The simulation „CASCaDE’ (Computer Aided of Car, Driver and Environment) by Daimler-Benz was an important tool in this new vehicle concept. A prototype simulated by this fed back information on the handling of the F 300 right from the early phase and allowed the new driving systems to be honed wîth to realistic conditions. „CASCaDE’ typical §teering commands and the handling behaviour to be precisely right through to the critical The vehicle’s environment is also so that the behaviour of the vehicle can be in situations such as cornering, off from stand-still, accelerating, or exposure to side winds.

The testing was followed by tests in the Berlin driving simulator. the engineers looked at how car drivers wîth the ATC and how it should be refined. Two test persons took an F 300 model out on a simulated journey and the researchers valuable tips for a remarkable standard of man/machine

Eventually a real test was constructed, which was put through its on racing tracks and test The quaint-lòòking test vehicle all the technical components of a F 300 Life-Jet and an opportunity to compare simulation reality.

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Mercedes-Benz F 300
Mercedes-Benz F 300
Mercedes-Benz F 300

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