84 replies to this topic

[Shiney005]

I have a few pics of the old girl and this looks to be the best Hurricane thread to stick them in.

Other features of this car that haven't been mentioned yet are inertia reel seatbelts, station seeking radio, foam lined fuel tank, and a fire warning system.

The front wet disks operated similar to a motorcycle clutch, with alternate discs either keyed to the axle or to the rotating oil bath and hydraulic pressure applied from the inboard side. The oil then went through a cooler and to the reservoir in front of the front axle.

Other threads on the subject are http://www.gmh-toran...0862-hurricane/  and  http://www.gmh-toran...icane-recently/

 

This next piece was written by Peter Robinson for Motor Trend magazine.

For me, this story starts on Tuesday, March 4, 1969, in Holden’s Technical Centre in Fishermen’s Bend, Australia, and finishes almost 43 years later at Holden’s Lang Lang proving ground southeast of Melbourne. In 1969, as one of 31 press invitees to a preview of Holden’s top-secret Hurricane on the eve of the Melbourne motor show, I never anticipated driving the one-off dream car. At the time, I wrote, “It is doubtful if anybody outside GMH will ever get to drive the car.” Yet, for a few brief minutes on the Lang Lang skidpad, that is exactly what I did on January 25, 2012.

 

Today, it’s almost impossible to convey the shock and sense of awe created by the Hurricane. Nobody had seen anything like its radical dart-like profile before. Holden itself was not yet 21 years old, but even so, its first concept car beat the comparably shaped Mercedes-Benz C111 by six months and the Lancia Stratos Zero by more than a year.

 

So extreme was the Hurricane that nobody inside or outside Holden predicted a production future for the spaceship car that grabbed the front page of most of Australia’s newspapers. It was clear from my first sighting that there was never any intention to build the Hurricane, yet the concept did provide a window to the future. It most obviously previewed Holden’s 253-cubic-inch (4.2-liter) V-8 that arrived in the HT Kingswood and Premier a few months later and stayed in service until 1984, though the 308-cubic-inch, 5.0-liter version survived until 2000. Its science-fiction-like technology included on-board navigation, a rear-mounted camera to account for no rear window, automatic air conditioning, digital instrumentation, oil-cooled front disc brakes, tilt steering column, adjustable pedals, and, most dramatically, no doors. Instead, the designers came up with a hydraulic-opening one-piece clamshell roof canopy, to ease ingress and egress and overcome the Hurricane’s incredibly low stance. It was surely no coincidence that, at a knee-high 39.2 inches, the Hurricane managed to undercut Ford‘s GT40 Le Mans hero.

 

The Hurricane was the first public evidence of creative cleverness from Holden’s Research & Development group, hence the RD-001 codename. Bill Steinhagen, the ambitious American chief engineer, established the R&D department in 1965 and was keen to expand Holden’s engineering capability — especially in the face of a resurgent Ford Australia — and design expertise. At the same time, Holden’s marketing group was eager to build the brand image, and, specifically, to generate advance publicity to showcase the new V-8 engines under development. Impressed by the ink an imported Camaro show car generated in 1968, Marketing and Engineering saw an opportunity to create a Holden concept car. According to an SAE Journal technical report, the Hurricane was seen as “a project to design and construct a vehicle to explore more fully the complete spectrum of vehicle dynamics, stability, control, and safety.”

 

Bern Ambor, Steinhagen’s 1968 successor, was also intent on energizing the engineers beyond Holden’s staid family-car image. A scale model of what became the Hurricane (see sidebar) arrived in Australia in late 1968, the mid-engine layout apparently decided by GM’s designers in Detroit. In an era of Can-Am racers, the Ford GT40, Lamborghini Miura, and Dino 206/246, the mid-engine layout ensured cutting-edge credibility for a V-8 sports car. The Hurricane’s striking proportions (there is virtually no rear overhang) and tight dimensions (161.8 inches long, 71.0 inches wide, 96.0-inch wheelbase) mean it is race-car small.

 

Designer Don DaHarsh developed the American scale model to full size and along with Ambor, former aeronautical engineer Ed Taylor, and body engineer Jack Hutson, the team clothed the steel spaceframe in an epoxy-resin body. The small, overhead-valve Holden V-8, mounted longitudinally ahead of the rear axle line, featured an external cam drive and solid-lifter cam and inhaled through a Quadrajet Rochester carburetor, to make 260 (gross) hp at 6000 rpm and 260 lb-ft of torque at 3800 rpm, rather more than the production engine’s 185 hp. The front suspension, fabricated by hand, was adjustable short/long arm with coil springs, while most of the rear suspension was borrowed from the C2 Corvette with the transverse leaf spring replaced by coils. GM’s American parts bin also donated the 1961-1963 Pontiac Tempest four-speed transaxle, with the bell housing adapted to the Holden block. The recirculating steering featured a slow 24:1 ratio, while the front brakes were a wet design, based on a system being used in Detroit’s public buses. The Hurricane’s exceptionally low stance meant conventional doors or even gullwings were never going to work. However, the American scale model only shows conventional door shutlines. As the one-piece hydraulic roof canopy — with its massive wrap-around Plexiglas pillarless windshield, without wipers — opens, it simultaneously electrically raises the fixed seats.

 

Nobody knows who came up with this idea, but American designer Leo Pruneau (who went to Holden design in 1969) remembers a small, three-wheeler GM concept car from the same era that used a similar canopy. A search of GM concepts shows that XP800, in development through 1968 (though it was launched to the public as the Chevrolet Astro III Concept in 1969) used a nearly identical canopy door. From this distance, it’s impossible to know if the system was invented for Holden or Chevrolet concepts, but it probably was simultaneously developed for both.

 

Four decades after the Hurricane’s debut, nobody was sure if the car ever ran under its own power. Some former Holden employees believed the images of the car moving at the Proving Ground were only taken at a slow shutter speed, after the car had been pushed. To the delight of those involved in saving the Hurricane, Holden made contact with DaHarsh during the restoration. DaHarsh quickly produced his own Super 8 movie footage of the car being driven at Lang Lang.

 

After various motor show appearances through 1969 and completion of wind-tunnel testing, the Hurricane was lent to various dealers until the windscreen cracked. It was then stuffed away in the wooden crate that was used to transport it, and stored in a Holden Service garage. Around 1985, repairs that included stripping and repainting the body were finally carried out. In 1990-’91, first-year Holden apprentices “restored” the car. From then until 2005, when Holden decided to properly rebuild it, the Hurricane was on display at the privately owned Holden National Motor Museum in Echuca, Victoria, and at the Powerhouse Museum in Sydney in an exhibition titled “Cars and Culture.” The Hurricane was twice threatened with destruction between the early 1970s and 2000. When Pruneau discovered that chief engineer George Roberts had ordered it to be “cut up,” he rescued it and deliberately hid it (in Design’s workshop) from Roberts. Later, it was saved from Holden apprentices who were about to scrap it because they perceived it was no longer of any use.

 

Enter Ed Welburn

Various GM executives played a role in the Hurricane’s revival. Ed Welburn, global head of GM design, noticed the car — it was getting a coat of primer — in early 2006 on one of his many visits to the Holden studios.

 

“I was so excited and immediately asked if it was the Hurricane,” Welburn explained at the Detroit show, “As an 18-year-old at Howard University (Washington, D.C.), I saw a photograph of the car. It was one of the inspirations that led me to car design. When I realized what it was, I told the guys, we’ve got to restore it. I saw it the last time I was down there. They’ve done a great job.”

 

Mike Simcoe, who recently returned to Holden after six years at GM design in Detroit and is now executive director of General Motors International Operations, says Welburn’s help was crucial to getting the total restoration off the ground. The other executive who was prepared to help fund the return to perfection was Mark Reuss, then CEO of Holden, and now CEO of General Motors.

 

In 2006, the car was turned over to Paul Clarke, manager for creative hard modeling at Holden, one of just three GM divisions capable of building concept cars. Recently retired chief engineer Rick Martin reconstructed the Hurricane from archival photographs, technical drawings, and the anecdotes of many people responsible for building the car, including designer DaHarsh, who significantly modified the scale model sent from Detroit.

 

“It’s amazing what comes out of the woodwork,” says Clarke. “Guys in engineering would come in and say, ‘My dad worked on that car.’ And when you question them, they give you another lead to follow up.”

 

The car was in very poor condition, and so many parts had been pilfered over the years that the restoration was almost like starting over. The original 253 engine was missing, as were the wheel trims and arms for raising the canopy. Interior gauges, the steering wheel, the rearview camera, and even the reservoir for the oil-filled brakes were gone. Much of the car was simply recreated without adopting modern technologies, although the body was rebuilt using a more durable polyester resin, then repainted close to the original metal-flake orange. The original seats were strengthened and retrimmed, but most of the interior parts had to be built from scratch. Clarke is justifiably proud of his team’s efforts in restoring Holden’s first concept car.

 

Driving the Hurricane involves climbing over the sills and dropping down on to the raised seat — the canopy is so well forward that there’s a deceptive impression of space. Not so when the seat is lowered and the roof and steering wheel begin their slow descent. It’s like being gradually jammed into a compression torture chamber. With my head pressed hard against the roof and feet squished against the pedals, my contorted left leg can just engage the clutch. The car moves off, slowly. Up to second and gradually accelerating to around 30 mph, I note the leisurely yet still heavy steering. Every movement is deliberate, measured. Driving? Not in any contemporary sense — more like guiding a very rare and ancient machine, just to say I’ve done it. Even if it took 43 years.

 

1969 Holden Hurricane
SPECIFICATIONS
Engine 253.0-cu in/4146cc, OHV V-8, Rochester Quadrajet carburetor Power and torque (SAE gross) 260 hp @ 6000 rpm, 260 lb-ft @ 3800 rpm Drivetrain 4-speed manual RWD Brakes front: oil-cooled multi-plate discs, rear: vented discs Suspension front: control arms, coil springs, anti-roll bar; rear: multilink, coil springs, anti-roll bar Dimensions L 161.8 in, W 71.0 in, H 39.2 in Weight 2250 lb (dry) Performance (est) 0-60 mph: 5.3 sec, quarter mile: 13.0 sec Price when new Incalculable

 

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[Shiney005]

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[Shiney005]

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Edited by Shiney005, 26 September 2017 - 10:33 PM.

[Shiney005]

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[Shiney005]

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[Cook]

Watching a car resto show on tv last night and they had bought a Sterling Kit car and the first thing I thought of was the Hurricane.  Is this old news? Cheers Ron

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[v6 torana]

I watched the same show and the car was also known as a Purvis Eureka which used a vw beetle chassis and engine. They were built in Dandenong Victoria under license. Here is a quote from the following story on the car "it was highly reminiscent of Holden’s Hurricane Concept from 1968, particularly with the Eureka’s similar forward-opening canopy".

https://www.motoring...-eureka-106501/

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[RallyRed]

Yeah, hose Ureka's were reasonably common back in the day.

Didnt look too bad, but the exhaust note was always a let down...

[Rockoz]

Yeah, hose Ureka's were reasonably common back in the day.

Didnt look too bad, but the exhaust note was always a let down...

 

Saw one back in the day that had a rotary in it.

I still didnt like the sound of it but it certainly wasnt a dak dak.

[LC69GTR]

I know Allan Purvis fairly well he told me they did over 600 cars.

He not only did the  Eurekas

There was a boat 

The Sigmatron and many more creations

 

 

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[rodomo]

[Shiney005]

There is something very GMP&Aish  about that hatchback.  Is that the Jim Smith sports sedan?

Edited by Shiney005, 20 April 2019 - 09:59 PM.

[claysummers]

Man that is classy indeed. Cars aren’t bad either.


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[LC69GTR]

There is something very GMP&Aish  about that hatchback.  Is that the Jim Smith sports sedan?

Sure is in Allan's words
Jim Smith. Sports sedan..! Those guards came off something else. Came with the car. Wheels likewise

They were a close fit. But by god they were ugly. Look horrid just cut off flat at rear like that. Needed to taper in to the end of bumper.

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[LC69GTR]

This car is missing and Allan is offering a reward for information on it.

Called The Free Spirit went missing when business sold 

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[CI 0308]

There is something very GMP&Aish  about that hatchback.  Is that the Jim Smith sports sedan?

Hahaha, its funny what you look at. I was looking at the same photo Laurie with similar thoughts.

[RallyRed]

It would be worth buying the Sigma, just to put it in the shed with a cover over it.
When someone says "what's under the cover?"
you'd answer "oh, thats just the Sigmatron."

w t f

[LC69GTR]

These guys have got it wrong then 

 

 

"Allan was unable to get financial backing so the car never went into production it was just a prototype. It was never offered for sale and the project (much to AP’s disappointment) never got off the ground. It was a one off body on a rolling pan and was eventually destroyed"

 

http://www.eurekacar...page/models.htm

 

 

 

Allan;s reply to the web site is very long i will post the 1st couple of lines 

Have they got it wrong you ask. Was the PURVIS “ FREE SPIRIT” Convertable Prototype, sent to the tip ?
Yes ! Whoever they are, they have it WRONG !
For the following reasons :

 

(Name Removed) would never have sent the ( my $50,000 )

prototype to the tip. If for no other reason than they knew it was not their's to do anything with. It was never part of the Purvis Eureka package they purchased.
In fact (Name removed) asked for“it” to be removed.. & the purchase price was adjusted accordingly.
IT, was not their's to either sell, destroy or give away.

They was however it’s caretaker. It belonged to me.

At the time of purchasing Purvis Cars, they wanted nothing to do with it.
They did not like the design . they did not pay the extra $50,000 required for the F/Spirit project, design & development at the time of purchasing PURVIS Cars Pty Ltd.

Edited by LC69GTR, 22 April 2019 - 05:26 AM.

[Cook]

Interesting but if I'm not mistaken Bolwell were starting out around the same time and in similar are of Melbourne and  I think I read that they were using a holden chassis or was it engine?  I wonder if there was any intelligence crossover between the two. Cheers Ron 

[rodomo]

I think Purvis was in Noble park and Bolwell in Moorabin? (From memory) Bolwell I think went on to buyer options for drive line but I think you're right about chassis when they started mass producing?

[claysummers]

Bolwell generally 351 Cleveland in my experience. Now I’ll go and wash my potty mouth out.


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Edited by claysummers, 23 April 2019 - 08:45 PM.