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Rolls-Royce 20 HP: Difference between revisions

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| colspan=2 style="padding:0; background:#996; color:#fff; border-bottom:1px solid #999;" | [[Image:Rr20hp4.jpg|300px]]
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! colspan=2 | '''Rolls-Royce 20HP'''
! colspan=2 | '''Rolls-Royce 20HP'''
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| Production  
| Production  
|  
| 1922 - 1929 <br>2940 units
|- style="vertical-align:top;"
|- style="vertical-align:top;"
| Class
| Class
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|- style="vertical-align:top;"
|- style="vertical-align:top;"
| Length
| Length
|  
| 4.52 m
|- style="vertical-align:top; background:#f0f0f0;"
|- style="vertical-align:top; background:#f0f0f0;"
| Width
| Width
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|- style="vertical-align:top; background:#f0f0f0;"
|- style="vertical-align:top; background:#f0f0f0;"
| Wheelbase  
| Wheelbase  
|  
| 3.27 m
|- style="vertical-align:top;"
|- style="vertical-align:top;"
| Weight
| Weight
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|- style="vertical-align:top; background:#f0f0f0;"
| Transmission
| Transmission
|  
| 3 or 4-speed manual
|- style="vertical-align:top;"
|- style="vertical-align:top;"
| Engine
| Engine
|  
| 3.1 litre (3127 cc)
|- style="vertical-align:top; background:#f0f0f0;"
|- style="vertical-align:top; background:#f0f0f0;"
| Power
| Power
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| Designer
| Designer
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| [[Sir Henry Royce]]
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|}
The '''Rolls-Royce 20 HP''' built between 1922 and 1929 was Rolls-Royces "small car" for the 1920s and was produced alongside the 40/50 [[Rolls-Royce Silver Ghost|Silver Ghost]] and [[Rolls-Royce Phantom I|Phantom]]. It was intended to appeal to owner drivers but many were sold to customers with chauffeurs.
The '''Rolls-Royce 20 HP''' built between 1922 and 1929 was Rolls-Royces "small car" for the 1920s and was produced alongside the 40/50 [[Rolls-Royce Silver Ghost|Silver Ghost]] and [[Rolls-Royce Phantom I|Phantom]]. It was intended to appeal to owner drivers but many were sold to customers with chauffeurs.
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<gallery>
<gallery>
Image:Rr20hp11923.jpg|Rolls-Royce 20 H.P., 1923, #GA68, Flewitt Doctor's Coupé. Only very few of the small horsepower Rolls-Royce 20 hp were originally delivered to the United States.  
Image:Rr20hp11923.jpg|Rolls-Royce 20 H.P., 1923, #GA68, Flewitt Doctor's Coupé. Only very few of the small horsepower Rolls-Royce 20 hp were originally delivered to the United States.  
Image:Rr20hp21927.jpg|Rolls-Royce 20 H.P., 1927, #GRJ52, Cockshoot Six Light Saloon. This Twenty with it's typical horizontally arranged radiator shutters has been one of those offered at Sotheby's Auction at the RREC's 1998 Annual Meeting at Cottesbrooke Hall.
Image:Rr20hp31927.jpg|Rolls-Royce 20 H.P., 1927, #GUJ70 Bertelli Sports Tourer. A clear orientation on marine styling elements can be detected on this body with its V-shaped windscreen.
Image:Rr20hp5.jpg
</gallery>
</gallery>
{{Rolls-Royce}}
{{Rolls-Royce}}

Latest revision as of 10:36, 11 February 2007

Rr20hp4.jpg
Rolls-Royce 20HP
Rolls-Royce
aka
Production 1922 - 1929
2940 units
Class
Body Style
Length 4.52 m
Width
Height
Wheelbase 3.27 m
Weight
Transmission 3 or 4-speed manual
Engine 3.1 litre (3127 cc)
Power
Similar
Designer Sir Henry Royce

The Rolls-Royce 20 HP built between 1922 and 1929 was Rolls-Royces "small car" for the 1920s and was produced alongside the 40/50 Silver Ghost and Phantom. It was intended to appeal to owner drivers but many were sold to customers with chauffeurs.

A new in-line 6 cylinder overhead valve engine was designed for the car of 3127 cc with a bore of 76 mm and stroke of 114 mm. Unlike the Silver Ghost engine, the cylinders were cast in one block and the cylinder head was detachable. Both coil and magneto ignition were fitted. The early cars had 3 speed gearboxes with the change lever in the centre of the car but this changed in 1925 to a four speed unit with traditional right hand change. A torque tube was used to transmit the power to the rear axle.

The substantial chassis had rigid front and rear axles suspended by half elliptic springs with braking initially only on the rear wheels. Four wheel brakes with mechanical servo were introduced in 1925. The famous Rolls-Royce radiator with triangular top was fitted and early examples had enamel finished horizontal slats later changing to a nickel finish and finally becoming vertical.

In 1920 a chassis cost £1100 with typically a complete tourer bodied car costing around £1600. With coachwork to the factory recommended weight the car could reach 60 mph but many owners had large limousine bodies fitted with the inevitable effect on performance.

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