Owned by Brian Holmes.
The Jowett Jupiter sports cars, powered by a 1486cc flat four pushrod engine of 60-62 BHP, were designed by Jowett and Gerry Palmer and are a good example of British engineering eccentricity.
The engine’s clutch housing is detachable; the gearbox and starter motor attach to it. The pushrods can be accessed beneath the black cover plates on the top of the engine. The horizontally opposed four-cylinder unit of bore 72.5mm x stroke 90 mm engines had a compression ratio of 7.6:1 or 8:1.
Other innovative and admirable features include:
Transmission: This compact transmission offers 4 forward ratios (synchromesh on 2nd, 3rd, and top) plus reverse. The gear lever is steering-column-mounted.
Steering: The steering is done by a solidly mounted rack-and-pinion unit, which is rare for its time. As a result, the steering is light and positive.
Brakes: The brakes are all-around hydraulic, with twin leading shoes at the front. The brake shoe area is very adequate except for fast mountain descents, when fade will be experienced.
Suspension: Front suspension is independent, unequal-length wishbones with torsion rod springs and telescopic shock absorbers.
Rear suspension (Mk1, Mk1a) is live axle, well-located by Panhard rod (no axle tramp), with transverse torsion rod springs and telescopic shock absorbers.
Miscellaneous:
Length : 168in / 427cm
Height : 56in / 142cm
Width : 62in / 157cm
Wheelbase: 93in / 236cm
During its production life and beyond, Jupiter Sports did not disgrace itself in national and international competition rallies and races. Historic races and rallies provide happy hunting grounds for the Jowett Jupiter sports cars.
Exploring the Jowett Jupiter: A Jewel of British Engineering – The world of classic cars is filled with unique stories and standout models, but few have the charm and character of the Jowett Jupiter. Designed by Jowett and Gerry Palmer in the 1950s, this sports car embodies a spirit of British engineering eccentricity that continues to capture the hearts of enthusiasts today.
The Specs Behind the Style – At the heart of the Jowett Jupiter is its impressive 1486cc flat-four pushrod engine, which produces a modest yet spirited 60-62 BHP. While these figures may not seem groundbreaking by today’s standards, they offer a peek into the era’s engineering philosophy—where performance was often about balance and efficiency rather than sheer power. The carefully crafted engine ensures a fun driving experience and showcases a unique approach to automotive design that sets it apart from its contemporaries.
Design and Aesthetic—The Jowett Jupiter’s design is both classic and distinctive. With its sweeping lines and sporty curves, the car exudes elegance and retro charm. It’s a beautiful example of how aesthetics can blend seamlessly with functionality. The vehicle’s lightweight construction allows for nimble handling and responsiveness, making it popular among driving purists.
A Slice of History –The Jowett Jupiter was introduced in a post-war era when many manufacturers experimented with new concepts and ideas. The car is a testament to British resilience and creativity during renewal and innovation. With its small production numbers, the Jupiter has become a rare gem in the classic car market, representing a unique chapter in British automotive history.
Driving the Jupiter – The driving sensation is captivating for those lucky enough to experience the Jowett Jupiter firsthand. The car’s blend of power and lightness provides an engaging connection to the road. Whether navigating winding country lanes or cruising down the boulevard, Jupiter’s performance remains a delightful reminder of what driving is all about—fun and freedom.
Why the Jowett Jupiter Matters Today – The Jowett Jupiter is more than just a classic sports car; it symbolizes a unique perspective on engineering and design. Jupiter encourages enthusiasts to appreciate automotive history’s quirks and eccentricities in a world increasingly dominated by standardization. Owning or even just witnessing a Jowett Jupiter is an opportunity to engage with a piece of history that reflects the culture and creativity of its time.