Old Beetle vs New Beetle

Beetle vs New Beetle

Edgar Sarmiento

Vehicle Architecture Prof, Umberto Niola

1938-2003

1998-2011(pr) 2nd(2012-pr)

Sub-compact car (Class B)

Compact car (Class C)

Hatchback Coupe Cabriolet Coupe

Hatchback Coupe Cabriolet Coupe

5 Passagers (2 adults “3 childs”) Multifunctional car and cheaper

4 Passagers (2 adults “2 childs”) Sport car and selected target

Wheelbase Length Width Height Curb weight

Wheelbase Length Width Height Curb weight:

2,400 mm 4,079 mm 1,539 mm 1,500 mm 700–930 kg

Profile Beetle vs New Beetle

2,537 mm 4,278 mm 1,808 mm 1,486 mm 1274–1505 kg

“Body-on-frame�

Spaceframe with base standard platform PQ34-35 Volkswagen Golf 4G.

Easy customization Cheaper/easy maintenance

Cheaper production, flexibility, mass production

Platform chassis + upper monocoque steel body

Chassis/Frame Beetle vs New Beetle

130 km/h max speed

208 km/h max speed

1.1-1.6 L / 30-60 hp Gasoline engine Flat-four or horizontally opposed-four

1.2-2.5 L / 100-170 hp Gasoline/Diesel Engine (turbo) Inline-four engine or straight-four

Compacted, balanced and robust Extended, less tall, without radiator (air cooled)

Smooth, compact, efficient, cheaper, less consumption Taller and bigger (water cooled) more complex, most common motors

Less efficient, more expensive, more consumption

Motor/Engine Beetle vs New Beetle

3-4 Speeds manual/semi automatic

4-6 Speeds manual/automatic

RWD Rear Longitudinal Engine Rear drive Rarely used today, mainly in Porsche

FWD Front Transverse Engine Front wheel drive Common use today

Good indoor space, compacted, good acceleration, easier steering system

More packaging space, good indoor space, supercompacted system

Tend to oversteer, less packaging space

Tend to understeer, less traction, posibly heavy steering

Transmission Beetle vs New Beetle

Rear Longitudinal Engine

Front trasversal Engine

Air/oil cooling without radiator

Water cooling R134a

Central fan force air entrance.

Oil support

Use of special liquid.

Combination between water/air

Robust, adapted to extreme conditions, less maintenance

More efficient today, necessary Problems with liquid (freeze), more maintenance

Less efficient today (complex systems)

Refrigeration Beetle vs New Beetle

Recirculating ball

Power rack and pinion

Worm and cap nut steering

Hydraulic assisted. Most common

Robust, not common today Heavy, more expensive

Cheaper, less backlash and greater feedback Less efficient mechanical advantage

Steering Beetle vs New Beetle

Front: ( ) 4 Transverse torsion bars

Front: Mc Pherson with 2 shock absorbers

with (

) 4 upper/lower trailing arms.

Rear: ( ) 2 Transverse torsion bars

(

(

(Independient each wheel) Rear: Solid beam axle bars, trailing link with 2 shock absorbers (non independient)

) 2 trailing arms and torsion bars with 2 Wing axles

More stability, vehicles with front wheel drive Mc Pherson (more space)

Independient suspension, and ) 1 Hydraulic shock absorber in each wheel

Suspension Beetle vs New Beetle

Hydraulic drum

Hydraulic Disc with ABS

Robust, cheaper Bad cooling

Better cooling More expensive

Front and rear

Ventilated front, solid rear

Brakes Beetle vs New Beetle

Rim diameters between (mm): 381 - 406,4 Width between (mm): 165 - 185

Rim diameters between (mm): 406,4 - 508 Width between (mm): 215 - 235

MIN

165/80R15 5Jx15 ET17

ALL

MIN

215/60R16 6.5Jx16 ET44

1.2/1.6 L

MAX

185/65R16 6Jx16 ET10

ALL

MAX

235/35R20 8Jx20 ET48

1.4/2.0 L

Wheels Beetle vs New Beetle

Cd= 0.48 / A= 1.80 m2 Cd*A= 0.86

Cd=0.38 / A=2.1 m2 Cx*A= 0.8

“Lancia Aprilia hardly reached the )0,47), 0,44 a Fiat127 and (0,41) the first model of the Golf�

Mini cooper S (0.33), Fiat 500 (0.31), Ford Fiesta (0.33), Opel Corsa (0.32)

Aerodynamics Beetle vs New Beetle

Area of turbulence

Extended lenght smooth front air pass

Rear spoiler

Wheels cover properly

Bottom part totally flat

Smaller ground clearance

Smaller

“If a body styling detail is to be really satisfactory from an aesthetic point of view, it must be functionally justified�

Ferdinand Porsche

https://en.wikipedia.org/wiki/Volkswagen_Beetle https://en.wikipedia.org/wiki/Car_classification https://en.wikipedia.org/wiki/Volkswagen_Beetle_(A5) https://en.wikipedia.org/wiki/Volkswagen_New_Beetle http://blog.caranddriver.com/a-look-at-volkswagen%E2%80%99s-new-mqb-platform-for-front-wheel-drive-cars/ https://en.wikipedia.org/wiki/Vehicle_frame http://www.wikiwand.com/en/Volkswagen_Group_MQB_platform http://restaurandomivw.blogspot.it/2012/05/el-motor-refrigerado-por-aire.html http://autastec.com/blog/historia-automovil/volkswagen-escarabajo/ https://en.wikipedia.org/wiki/Flat-four_engine http://www.autoevolution.com/news/volkswagen-tsi-engines-explained-60143.html http://www.offroaders.com/tech/Steering-Systems.htm http://www.torquemonkeys.com/cars/guides/tech-guide-torsion-bar-suspension http://www.aficionadosalamecanica.net/suspension3.htm http://jedlaits.cl/2011/07/13/volkswagen-new-beetle-2012-el-escarabajo-vuelve-a-renacer/ https://en.wikipedia.org/wiki/Suspension_(vehicle) http://llantasneumaticos.com/size/volkswagen/beetle/ http://ecomodder.com/wiki/index.php/Vehicle_Coefficient_of_Drag_List http://www.mayfco.com/dragcd~1.htm http://www.maggiolinoweb.it/technique.html https://en.wikipedia.org/wiki/Automobile_drag_coefficient HPOINT. Fundamentals of car design and packaging. By Stuard Macey and Geoff Wardle. Design Studio. Center College of Art. Pasadena. USA Sources Beetle vs New Beetle