Mercedes-Benz M950F: Forskjell mellom revisjoner

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Wankelmotor fra slutten av 60tallet. Totalt ble det bygget 12 motorer. 
Wankelmotor fra slutten av 60tallet.      


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Mercedes-Benz M 950 er en prototype Wankel-motor. Den ble først beskrevet i Wolf-Dieter Bensingers essay "Der heutige Entwicklungsstand des Wankelmotors" fra 1969, publisert i januar 1970.
Motoren ble utviklet av Daimler-Benz sin Wankel-motoravdeling, ledet av Bensinger. Rundt 100 enheter ble bygget, hvorav noen 3- og 4-rotorenheter ble installert i Mercedes-Benz C 111 eksperimentelle sportsbil, fra 1969 til 1970, som en midtmotor.
Selv om M 950 var planlagt for kommersiell introduksjon i 1970 som en 2-rotormotor, hadde ikke M 950 nådd serieproduksjonsstadiet i 1972.
Daimler-Benz utviklet deretter en etterfølger til M 950, M 951, men Daimler-Benz sin Wankel-motorutvikling ble forlatt i 1976.


Engine type M 950 F  
Engine type M 950 F  
Number of cylinders / arrangement three-rotor Wankel engine  
Number of cylinders / arrangement three-rotor Wankel engine  
Total displacement chamber volume 3 x 600 cc  
Total displacement chamber volume 3 x 600 cc  
Compression ratio 9.3  
Compression ratio 9.3  
Rated output 280 hp / 206 kW at 7000 rpm  
Rated output 280 hp / 206 kW at 7000 rpm  
Rated torque 294Nm at 4000 - 5500 rpm  
Rated torque 294Nm at 4000 - 5500 rpm  
Fuel system direct injection, mechanically controlled; Bosch 3-plunger injection pump  
Fuel system direct injection, mechanically controlled; Bosch 3-plunger injection pump  
Cooling water cooling / pump; radiator in the car's front  
Cooling water cooling / pump; radiator in the car's front  
Lubrication pressure circulation lubrication  
Lubrication pressure circulation lubrication  
Electric system 12 V  
Electric system 12 V  
Generator three-phase AC  
Generator three-phase AC  
Starter electrical  
Starter electrical  
Ignition transistor ignition  
Ignition transistor ignition  
Fuel tank: position / capacity in the lateral frame side rails / 2 x 60 litre  
Fuel tank: position / capacity in the lateral frame side rails / 2 x 60 litre  
Fuel supply piston pump as part of the injection pump
Fuel supply piston pump as part of the injection pump


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Maximum speed 300 km/h  
Maximum speed 300 km/h  
Acceleration 0-100 km/h 4.8 secs (2 occupants)
Acceleration 0-100 km/h 4.8 secs (2 occupants)
==Technical specifications==
{| class="wikitable"
|+Technical specifications
|-
!
!3-rotor engine (M 950 F)
!4-rotor engine (M 950/4)
|-
!Eccentricity <math>e</math>
| colspan="2" style="text-align:center" |15&nbsp;mm
|-
!Generating radius <math>R</math>
| colspan="2" style="text-align:center" |99&nbsp;mm
|-
!Equidistant <math>a</math>
| colspan="2" style="text-align:center" |4&nbsp;mm
|-
!Width <math>B</math>
| colspan="2" style="text-align:center" |75&nbsp;mm
|-
![[Wankel engine#Chamber volume|Chamber volume]] <math>V_k</math>
| colspan="2" style="text-align:center" |{{#expr:3*3^0.5*15*75*(99+4)/1000 round-1}}&nbsp;cm<sup>3</sup>
|-
![[Wankel engine#Displacement|Displacement]] <math>V_h</math>
| style="text-align:center" |{{#expr:2*3*3^0.5*15*75*(99+4)/1000*3 round-2}}&nbsp;cm<sup>3</sup>
| style="text-align:center" |{{#expr:2*3*3^0.5*15*75*(99+4)/1000*4 round-2}}&nbsp;cm<sup>3</sup>
|-
![[Compression ratio|Compression]] <math>\varepsilon</math>
| colspan="2" style="text-align:center" |9.3
|-
![[Engine power|Rated power]] <math>P_e</math>
| style="text-align:center" |205&nbsp;kW
| style="text-align:center" |260&nbsp;kW
|-
![[Rotational frequency|Rated speed]] <math>n_e</math>
| style="text-align:center" |7,000&nbsp;min<sup>&minus;1</sup>
| style="text-align:center" | 6,000&nbsp;min<sup>&minus;1</sup>
|-
![[BMEP]] <math>p_e</math>
| style="text-align:center" |1.05&nbsp;MPa
| style="text-align:center" |1.1&nbsp;MPa
|-
! [[Mass]] <math>m</math>
| style="text-align:center" |150&nbsp;kg
| style="text-align:center" |180&nbsp;kg
|-
|Source
| style="text-align:center" |<ref name="Bensinger 1973 p. 143">{{cite book | last=Bensinger | first=Wolf-Dieter | title=Rotationskolben-Verbrennungsmotoren | publication-place=Berlin, Heidelberg, New York | date=1973 | isbn=978-3-540-05886-1 | oclc=251737493 | language=de | page=143}}</ref>
| style="text-align:center" |<ref name="Bensinger 1973 p. 143" /><ref name="Dobler 2000 pp. 441">{{cite journal | last=Dobler | first=Helmut | title=Renesis — ein neuer Wankelmotor von Mazda | journal=MTZ - Motortechnische Zeitschrift | publisher=Springer Science and Business Media LLC | volume=61 | issue=7-8 | year=2000 | issn=0024-8525 | doi=10.1007/bf03226583 | pages=441 | language=de}}</ref>
|}
;Power diagram of the M&nbsp;950/4
{{Graph:Chart|width=300|height=200|type=line|xGrid=|yGrid=|xAxisTitle=Eccentric shaft speed (1/min)|y1AxisTitle=Power (kW)|legend=|y1Title=Power (kW)|x=1000,2000,3000,4000,5000,6000,7000,8000|y1=25,70,110,160,210,260,235,|interpolate=monotone}}<ref name="Bensinger 1973 p. 146">{{cite book | last=Bensinger | first=Wolf-Dieter | title=Rotationskolben-Verbrennungsmotoren | publication-place=Berlin, Heidelberg, New York | date=1973 | isbn=978-3-540-05886-1 | oclc=251737493 | language=de | page=146 fig. 164}}</ref>

Nåværende revisjon fra 8. apr. 2023 kl. 14:14

Wankelmotor fra slutten av 60tallet.

Daimler-Benz
DB M950F.jpg
Damler-Benz M950F
1969 - 1970
Bensin
Motor M950F
Variant Wankel
Vekt tørr Kg
Byggeår 1969 - 1970
Ytelse 350 Hk @ 7000 o/min
Dreiemoment Nm @ o/min
Innsprøytning
Sylindre 3/4 Rotor
Slagvolum 600 ccm pr rotor
Borring mm
Slag mm
Kompresjon
Turbo Kompressor
Ladeluftkjøler Nei
Kjøling Vann
Dieselpumpe -
Dysespiss -
Dieselfilter -
Oljefilter -
Stempelhastighet - m/s
Stempelprodusent -
Startmotor -


Mercedes-Benz M 950 er en prototype Wankel-motor. Den ble først beskrevet i Wolf-Dieter Bensingers essay "Der heutige Entwicklungsstand des Wankelmotors" fra 1969, publisert i januar 1970.

Motoren ble utviklet av Daimler-Benz sin Wankel-motoravdeling, ledet av Bensinger. Rundt 100 enheter ble bygget, hvorav noen 3- og 4-rotorenheter ble installert i Mercedes-Benz C 111 eksperimentelle sportsbil, fra 1969 til 1970, som en midtmotor.

Selv om M 950 var planlagt for kommersiell introduksjon i 1970 som en 2-rotormotor, hadde ikke M 950 nådd serieproduksjonsstadiet i 1972.

Daimler-Benz utviklet deretter en etterfølger til M 950, M 951, men Daimler-Benz sin Wankel-motorutvikling ble forlatt i 1976.


Engine type M 950 F

Number of cylinders / arrangement three-rotor Wankel engine

Total displacement chamber volume 3 x 600 cc

Compression ratio 9.3

Rated output 280 hp / 206 kW at 7000 rpm

Rated torque 294Nm at 4000 - 5500 rpm

Fuel system direct injection, mechanically controlled; Bosch 3-plunger injection pump

Cooling water cooling / pump; radiator in the car's front

Lubrication pressure circulation lubrication

Electric system 12 V

Generator three-phase AC

Starter electrical

Ignition transistor ignition

Fuel tank: position / capacity in the lateral frame side rails / 2 x 60 litre

Fuel supply piston pump as part of the injection pump

--


The extremely rare (12 total built) Mercedes-Benz M950F was a normally aspirated Wankel engine mounted in experimental Mercedes-Benz C111 vehicles, built in 1969-70. There were two versions: 3-rotor engine (600 cc each) with power output of 280 hp at 7000/min, and a later version 4-rotor engine (600 cc each) with power output of 350 hp at 7000/min.

The experimental Mercedes-Benz C111 containing the (code named M950F) engine was shown to the public at the 1969 Frankfurt International Motor Show.

This was a totally experimental car from Daimler-Benz, and they gave up on the rotary due mainly to poor fuel consumption.


C 111 Specifications (First Version) Combustion principle Wankel Configuration in front of rear axle (mid engine) Engine type M 950 F Number of cylinders / arrangement three-rotor Wankel engine Total displacement chamber volume 3 x 600 cc Compression ratio 9.3 Rated output 280 hp / 206 kW at 7000 rpm Rated torque 294Nm at 4000 - 5500 rpm Fuel system direct injection, mechanically controlled; Bosch 3-plunger injection pump Cooling water cooling / pump; radiator in the car's front Lubrication pressure circulation lubrication Electric system 12 V Generator three-phase AC Starter electrical Ignition transistor ignition Fuel tank: position / capacity in the lateral frame side rails / 2 x 60 litre Fuel supply piston pump as part of the injection pump Gearing 5-speed manual transmission ZF 5 DS-25/1 Shifting central floor gear shift lever Clutch dry single-disc clutch Synchromesh gears I - V Final drive ratio 3.166 Maximum speed 260 km/h Acceleration 0-100 km/h 5 sec (2 occupants)



C 111 Specifications (Second Version) Combustion principle Wankel Configuration in front of rear axle (mid engine) Engine type M 950 F Number of cylinders / arrangement four-rotor Wankel engine Total displacement chamber volume 4 x 600 cc Compression ratio 9.3 Rated output 350 hp / 257 kW at 7000 rpm Rated torque 392Nm at 4000 - 5500 rpm Fuel system direct injection, mechanically controlled; Bosch 4-plunger injection pump Cooling water cooling / pump; radiator in the car's front Lubrication pressure circulation lubrication Electric system 12 V Generator three-phase AC Starter electrical Ignition transistor ignition Fuel tank: position / capacity in the lateral frame side rails / 2 x 60 litre Fuel supply piston pump as part of the injection pump Gearing 5-speed manual transmission ZF 5 DS-25/1 Shifting central floor gear shift lever Clutch dry double-disc clutch Syncromesh gears I - V Final drive ratio 2.975 Maximum speed 300 km/h Acceleration 0-100 km/h 4.8 secs (2 occupants)

Technical specifications

Technical specifications
3-rotor engine (M 950 F) 4-rotor engine (M 950/4)
Eccentricity <math>e</math> 15 mm
Generating radius <math>R</math> 99 mm
Equidistant <math>a</math> 4 mm
Width <math>B</math> 75 mm
Chamber volume <math>V_k</math> 600 cm3
Displacement <math>V_h</math> 3600 cm3 4800 cm3
Compression <math>\varepsilon</math> 9.3
Rated power <math>P_e</math> 205 kW 260 kW
Rated speed <math>n_e</math> 7,000 min−1 6,000 min−1
BMEP <math>p_e</math> 1.05 MPa 1.1 MPa
Mass <math>m</math> 150 kg 180 kg
Source [1] [1][2]
Power diagram of the M 950/4

Mal:Graph:Chart[3]

  1. ↑ 1,0 1,1 Mal:Cite book
  2. ↑ Mal:Cite journal
  3. ↑ Mal:Cite book
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