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The first Goodwood Ghost demonstrated that cocooning, near-silent acoustic properties were of the utmost importance, creating the sense of calm and wellness that Rolls-Royce clients savour.
For new Ghost, the marque’s team of acoustic specialists were obsessive in taking this to the next level, adapting the marque’s proprietary aluminium spaceframe architecture, which itself offers benefits owing to the metal’s higher acoustic impedance compared with steel and its use of complex forms rather than flat, resonant surfaces, creating a double-skinned bulkhead section to insulate the cabin from the already near-silent 6.75-litre V12 engine and cavities in the roof, boot and floor which were then filled with more than 100kg of sound-absorbing materials.
Additionally, double-glazed windows with a clear composite centre sheet were used as well as tyres lined with lightweight acoustic insulation foam.
Once the sound stage was created, every component was obsessively interrogated for its acoustic properties. Those that produced unacceptable levels of noise were discarded and completely redesigned at the Home of Rolls-Royce in Goodwood, West Sussex, to better serve the client’s desire for serenity. Even the inside of the air conditioning ducts were smoothed to better insulate clients from intrusive noises.
Ghost – ‘tuned’ to perfection
Knowing that removing all noise was disorientating, the Rolls-Royce solution was to create a ‘whisper’ – a soft undertone that clients experienced as a single, subtle note. To achieve this, each component had to be tuned to a common resonant frequency. This task included creating acoustically tuned damping units for the seat frames, as well as a suite of ports between the cabin and the large 500-litre boot to ensure that it generated a frequency consistent with new Ghost’s ‘note’.
The marque’s experts named this exhaustive process the ‘Formula for Serenity’. These insights are conveyed by the contemporary medium of animated illustrations. Rendered first by renowned illustrator, Charlie Davis, they were animated to cohesively and beautifully represent these findings in a fashion that befits the highly progressive new Ghost.
In addition to these insights presented in animation form, a series of five podcasts have been launched that reveal more of the marque’s findings, as well as insights into the underlying material and engineering substance of new Ghost in long form.
ROLLS-ROYCE REVEALS ‘FORMULA FOR SERENITY’
18
August 2020, Goodwood
- Final
animated film offering insight into the substance of new Ghost goes live
- Reveals
the marque’s unique engineering formula for serenity
- Latest
episode of Podcast series exploring new Ghost available now
#rollsroyceghost
When
reviewing client feedback from the first Goodwood Ghost, it was clear that its
cocooning, near-silent acoustic properties were of the utmost importance. These
men and women operate in complicated business worlds and value the sense of
calm and wellness that their Rolls-Royce creates. Therefore, in creating new
Ghost, the marque’s team of acoustic specialists were obsessively focussed on
this highly complicated engineering task.
To achieve a sense of absolute serenity, the acoustic team began by adapting the marque’s proprietary aluminium spaceframe architecture, which itself offers benefits owing to the metal’s higher acoustic impedance compared with steel and its construction from complex forms rather than flat, resonant surfaces.
A double-skinned
bulkhead section was selected to insulate the cabin from the already
near-silent 6.75-litre V12 engine and cavities in the roof, boot and floor were
created to fill with more than 100kg of sound-absorbing materials.
Additionally, double-glazed windows with a clear composite centre sheet were
used as well as tyres lined with lightweight acoustic insulation foam.
Once the sound stage was created, every component was obsessively interrogated for its acoustic properties. Those that produced unacceptable levels of noise were discarded and completely redesigned at the Home of Rolls-Royce in Goodwood, West Sussex, to better serve the client’s desire for serenity.
Even the inside
of the air conditioning ducts were smoothed to better insulate clients from
intrusive noises.
However, upon early testing the acoustic team discovered that removing all noise was disorientating. Their solution was to create a ‘whisper’ – a soft undertone that clients experienced as a single, subtle note. To achieve this, each component had to be tuned to a specific resonant frequency.
This task included the creation of acoustically
tuned damping units for the seat frames, as well as a suite of ports between
the cabin and the large 500-litre boot to ensure the low frequency it generated
was consistent with new Ghost’s ‘note’.
The marque’s experts named this exhaustive process the Formula for Serenity. Following its creation, these specialists presented the acoustic advances they had made, showcasing how these remarkable developments would serve the demands of new Ghost clients.
Rolls-Royce has elected to share elements of these internal
briefings to demonstrate the engineering substance that underpins this
extraordinary new motor car ahead of its official unveiling in autumn this
year.
New Ghost
Acoustic Engineering Lead, Tom Davis-Reason, says, “The extraordinary acoustic
quality of new Ghost is the result of significant engineering developments and
fastidious attention to detail, but it really is underpinned by the marque’s
proprietary aluminium architecture. There is simply no way we could have
created such an acoustically refined environment using a steel platform.”
The marque
chose the popular and aesthetically appealing medium of animated illustrations
to convey these insights. Rendered first by renowned illustrator, Charlie
Davis, they were animated to cohesively and beautifully represent these findings
in a fashion that befits the highly progressive new Ghost.
In addition to these insights presented in animation form, a series of five podcasts have been launched that reveal more of the marque’s findings, as well as insights into the underlying material and engineering substance of new Ghost in long form.
Hosted by Johanna Agerman Ross, Curator of Twentieth Century and
Contemporary Furniture and Product Design at the Victoria & Albert Museum
in London, the podcasts are available on Apple, Google, Spotify and Deezer.
Rolls-Royce Motor Cars
Rolls-Royce Motor Cars is a wholly-owned
subsidiary of the BMW Group and is a completely separate company from
Rolls-Royce plc, the manufacturer of aircraft engines and propulsion systems.
Over 2,000 skilled men and women are employed at the Rolls-Royce Motor Cars’
head office and manufacturing plant at Goodwood, West Sussex, the only place in
the world where the company’s super-luxury motor cars are hand-built.
CO2
emissions and consumption:
·
NEDCcorr
(combined)* CO2 emission: 343 g/km ; Fuel consumption: 18.8 mpg / 15.0 l/100km
(*)
WLTP (combined)# CO2 emission: 347-359 g/km ; Fuel consumption: 17.9-18.6 mpg /
15.2-15.8 l/100km (#)
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