Opel 8M21

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8M21
Production period: 1921-1922
Class : upper middle class
Body versions : Touring car , Pullman limousine
Engines: Otto engine :
2.05 liters (18.4 kW)
Length: 4500 mm
Width: 1700 mm
Height:
Wheelbase : 3155 mm
Empty weight : Chassis: 890 kg
successor Opel 8/40 hp

The Opel 8M21 was an upper middle class passenger car that Adam Opel KG built from the beginning of 1921 to the end of 1922 as a simpler model of the 9/25 hp .

History and technology

Towards the end of the 9/25 PS construction period, Opel introduced a simplified version of this vehicle with a smaller engine and a smaller range of body versions.

The engine was a side-controlled four - cylinder in - line engine with a displacement of 2042 cm³, which produced 25 hp (18.4 kW) at 1600 rpm. performed. The engine power was transmitted to the rear axle via a leather cone clutch, a manual four-speed gearbox and a cardan shaft .

The steel longitudinal member frame had auxiliary frames to accommodate the two rigid axles, which were suspended on semi-elliptical longitudinal leaf springs. The service brake was designed as a band brake and acted on the transmission output shaft.

The 8M21 was available as a six- to seven-seat torpedo or four-door Pullman sedan .

At the end of 1922, production of the 8M21 and the normal 9/25 hp ended. The 8/40 hp model built from 1928 onwards can only be regarded as the successor .

Web links and sources

Opel timeline
Timeline of the Opel models from 1945 to today
class Body versions Part of General Motors PPE
40s 50s 60s 70s 80s 90s 2000s 2010s 2020s
5 6th 7th 8th 9 0 1 2 3 4th 5 6th 7th 8th 9 0 1 2 3 4th 5 6th 7th 8th 9 0 1 2 3 4th 5 6th 7th 8th 9 0 1 2 3 4th 5 6th 7th 8th 9 0 1 2 3 4th 5 6th 7th 8th 9 0 1 2 3 4th 5 6th 7th 8th 9 0 1 2 3 4th 5 6th 7th 8th 9 0
Microcar Hatchback Karl
Hatchback Adam
Small car Hatchback Corsa A Corsa B Corsa C Corsa D Corsa E Corsa F
Sports coupe Tigra A Tigra B
Compact class Hatchback, notchback, station wagon Chevette
Cadet A. Cadet B. Cadet C. Cadet D. Cadet E. Astra F Astra G Astra H Astra J. Astra K
Olympia Olympia A Ampera Ampera-e
Coupe Cadet A. Cadet B / Olympia A Cadet C. Astra G Coupé / OPC Astra H GTC / OPC Astra J GTC
Cabriolet Astra G convertible Astra H TwinTop Cascada
Middle class Sports coupe Manta A Manta B Calibra
Hatchback Signum
Hatchback, notchback, station wagon Olympic record Olympic record / 1200 Ascona A Ascona B Ascona C Vectra A Vectra B Vectra C Insignia A Insignia B
upper middle class Notchback, station wagon Record P1 / P2 Record A / B Record C Record D Record E Omega A Omega B
Commodore A Commodore B Commodore C.
Senator A. Senator B
Coupe Record A / B Record C Record D Monza
Commodore A Commodore B
Upper class Notchback captain captain Captain P1 / P2 Captain A /
Admiral A /
Diplomat A 		Captain B /
Admiral B /
Diplomat B
Sports car GT Speedster GT
Microvan Hatchback Agila A Agila B
Minivan Meriva A Meriva B
Compact van Zafira A Zafira B Zafira C
Van Sintra
SUV Hatchback Crossland X
mocha Mocha X mocha
Antara Grandland X
Off-road vehicle Hatchback Frontera A Frontera B
Monterey
Pick up Campo
Box van Cadet E Combo Combo B
High roof combination Station wagon, panel van Combo C Combo D Combo E
Vans Minibus, van, flatbed Bedford Blitz Arena [1] Vivaro A [2] Vivaro B [2] Zafira Life
Vivaro C
lightning lightning lightning lightning Movano A [1] Movano B [1]
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