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Morris Oxford bullnose

Morris Oxford
Morris Oxford 1913, The Shuttleworth Collection. (12037725825).jpg
Oxford 2-seater 1913
Overview
Manufacturer Morris Motors
Production 1913–1926
Body and chassis
Class Small car
Oxford bullnose
two-seater
MHV Morris Oxford 1913 (filtered).jpg
Oxford 2-seater 1913
W R Morris and passenger
Overview
Manufacturer W R M Motors Limited
Production 1913–16
Assembly Oxford
Designer W R Morris
Body and chassis
Body style
  • open 2-seater torpedo
  • open 2-seater torpedo de luxe
  • coupé cabriolet
  • limousine
  • Commercial variant
  • no windscreen or door was fitted to:
  • sporting car
  • delivery van
Layout FR layout
Related Cowley
Powertrain
Engine W&P 1,018 cc (62.1 cu in) I4
Transmission
  • 3-speeds and reverse manual W&P
  • gearbox control lever outside body
  • multiplate clutch in oil also by W&P
  • universal joint behind gearbox
  • propellor shaft in a torque tube
  • back axle — overhead Wrigley worm
Dimensions
Wheelbase
  • 84 in (2,134 mm) standard
  • track 40 in (1,016 mm) standard
  • ( increased to 42 in (1,067 mm) )
  • 90 in (2,286 mm) de luxe
  • track 45 in (1,143 mm) de luxe
Length
  • 126 in (3,200 mm) standard
  • 132 in (3,353 mm) de luxe
Width
  • 47 in (1,194 mm) standard
  • 50 in (1,270 mm) de luxe
Kerb weight
  • 558 kg (1,230 lb) standard
  • 635 kg (1,400 lb) de luxe
Chronology
Successor Hotchkiss engined car
Engine
White & Poppe
60 X 90 X 4
Overview
Manufacturer White & Poppe Limited, Lockhurst Lane, Coventry
Designer Paul August Poppe
Production
  • 1913: 393
  • 1914: 909
  • 1915: 173
  • total: 1,475
Combustion chamber
Configuration 4 in-line
Displacement 1,017.8 cc (62 cu in)
Cylinder bore 60 mm (2.4 in)
Piston stroke 90 mm (3.5 in)
Cylinder block alloy iron, cast en bloc, fixed head
pistons: cast iron
crankshaft: carbon steel
main bearings: three white metal in bronze shells
Cylinder head alloy fixed, iron, cast en bloc with block, detachable valve caps
Valvetrain side valve T-head
camshafts each side crankcase
adjustable tappets
Combustion
Fuel system carburettor W&P No. 25
magneto: Bosch type ZF4
later cars Mea
plugs: Bosch
Fuel type petrol
Oil system main bearings: by galleries from oil flung off the flywheel
big-ends: splash
Cooling system water
circulated by thermo-siphon
no fan
Output
Power output 16.4 bhp (12.2 kW; 16.6 PS) @2,400 rpm
(observed, not a maximum)
Tax horsepower 9
Torque output 35.7 pound force-feet (48 N·m) @2,400 rpm
Chronology
Successor Hotchkiss
Oxford bullnose
1919–26
1925 Morris Oxford 'bullnose' Tourer at Felbrigg Hall.jpg
1925 Four-seater tourer
on the new for 1925 long wheelbase chassis
Overview
Manufacturer W R Morris Limited
Production 1919–26
Body and chassis
Body style
  • open 2-seater
  • open 4-seater tourer
  • coupé
  • cabriolet from 1923
  • saloon from 1924
  • landaulet from 1926
  • ¾ coupé from 1926
  • saloon landaulet from 1926
Layout FR layout
Powertrain
Engine
  • side valve straight-4
  • 1,548 cc (94.5 cu in) 11.9 hp
  • - standard until September 1924
  • 1,802 cc (110.0 cu in) 13.9 hp 14/28 - optional from January 1923 to September 1924 then standard
Transmission
  • 3-speeds and reverse manual
  • gearbox two plate cork-lined clutch
  • universal joint behind gearbox
  • propellor shaft in a torque tube
  • back axle: ¾ floating, spiral bevel
Dimensions
Wheelbase
  • 102 in (2,591 mm) 1919-24
  • 108 in (2,743 mm) 1925-26
  • 106.5 in (2,705 mm) 1927
  • track 48 in (1,219 mm)
Length
  • 150 in (3,810 mm) 2-seater 153 in (3,886 mm) 4-seater
Width 58 in (1,473 mm)
Kerb weight
  • open 4-seater tourer
  • 1,876 lb (851 kg) 1921
  • 1,960 lb (889 kg) 1922
  • 2,044 lb (927 kg) 1923
  • 2,128 lb (965 kg) 1924
  • 2,352 lb (1,067 kg) 1925
  • 2,268 lb (1,029 kg) 1926
Chronology
Successor Morris Oxford flatnose
Engines
Hotchkiss / Morris 11.9
(CA and CB)
Morris 14/28 (CE)
Overview
Manufacturer Hotchkiss & Cie. Gosford Street Coventry until May 1923, works thereafter under the ownership of Morris Engines Limited
Production
  • (for Morris Oxford)
  • 11.9 hp: 1919 to 1926
  • 14/28 hp: 1923 to 1930
Combustion chamber
Configuration straight-4 cast en bloc with upper crankcase
Displacement
  • 1.548 L (94.5 cu in)
  • 1.802 L (110.0 cu in) (14/28)
Cylinder bore
  • 75 mm (3.0 in) (14/28)
  • 69.5 mm (2.74 in)
Piston stroke 102 mm (4.0 in)
Cylinder block alloy cast-iron
3-bearing crankshaft
pistons: cast-iron
crankshaft: steel stamping, bronze backed white metal bearings, sump cast aluminium
Cylinder head alloy cast-iron detachable
copper asbestos sandwich gasket
Valvetrain side valve L-head, helical timing gears, camshaft in two plain bearings operating valves by mushroom head tappets, single valve springs
Combustion
Fuel system
  • carburettor
  • 1919-1921 Zenith
  • 1922 S.U.
  • 1923-1926 Smith (various)
  • exhaust
  • 3-port
  • 4-port from February 1922
  • magneto: helical bevel drive
  • 1919 Thomson-Bennett G4*
  • 1920 B T-H
  • 1921-23 Lucas E4
  • 1924-26 Lucas GA4
Fuel type petrol
Oil system
  • main bearings and camshaft
  • pressure lubricated by plunger pump from camshaft
  • big ends: splash
Cooling system water thermosyphon,
fan assisted
radiator 1919 by Randle, thereafter by Osberton
Output
Power output

not published

  • tax rating 11.9hp
  • tax rating 13.9hp (14/28)
Chronology
Predecessor White & Poppe 60 X 90 X 4

The "bullnose" Morris Oxford is a series of motor car models that was produced by Morris of the United Kingdom, from 1913 to 1926.

Named by W R Morris after the city of dreaming spires, the university town in which he grew up, the manufacture of Morris's Oxford cars would turn Oxford into an industrial city.

William Morris's first car was called Oxford in recognition of its home city. It was announced in magazine in October 1912 and production began in March 1913. Because he had a limited amount of capital and was unwilling to share ownership of his business little was made in-house. Virtually all components were bought-in and assembled by Morris. It was a small car with a 1018 cc four-cylinder side-valve engine with fixed cylinder head from White & Poppe. Ignition was by a Bosch magneto.

The chassis made by Rubery Owen was of pressed-steel construction and suspension was by leaf springs, semi-elliptic at the front and longer three-quarter elliptic at the rear slung above the axle. The welded single piece banjo rear axle with splined half shafts was driven by a Wrigley Worm. The front axle was of forged steel and, like the back axle assembly and the steering, was made by Wrigley. The brakes, on the rear wheels only, were the external contracting type, metal to metal, using four shoes in each drum. A White & Poppe three-forward and reverse gearbox was fitted. The Powell & Hanmer headlamps were acetylene and the side and tail lamps oil. The windscreen, by Auster Limited of Barford Street, Birmingham, like the lamps was classed as an accessory.

The car got its popular name, Bullnose, from its distinctive round-topped radiator at first called the bullet nose. Most bodies, made by Raworth of Oxford, were of the two-seat open-tourer type. There was also a van version, but the chassis did not allow four-seat bodies to be fitted, as it was not strong enough and too short.

It was first displayed at the Olympia Motor Show which opened 7 November 1913. The standard model remained in production unchanged. The new de luxe had a longer wheelbase, 90 in (2,300 mm), and track was now 45 in (1,100 mm).


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