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Author Topic: 1968 Lotus 56  (Read 3800 times)

Offline Dare

1968 Lotus 56
« on: January 01, 2012, 10:40:07 PM »
The 1968 Lotus 56 Turbine Indy car, driven here by Parnelli Jones, as seen at the 2011 Goodwood Festival Of Speed.
Lotus founder Colin Chapman is best remembered for having a lot of success with unconventional and revolutionary racing cars. One of the most outrageous Lotus designs was the Type 56, prepared for the 1968 Indy 500. Although the novelties found on the 56 were not new, but the combination proved to be a package very well worth the Lotus badge.

Designed by Maurice Philippe, the 56 was not equipped with a regular internal combustion engine, but with a Pratt and Whitney industrial turbine engine. Such an engine was used previously and proved very reliable. Due to the nature of a turbine engine, no gearbox was needed. Using the proven Ferguson four wheel drive system, the turbine engine's power was transferred to all wheels.

Although the turbine was not quite as powerful as the Turbo charged internal combustion engines used by the competition, Chapman was confident that the four wheel drive system would give Lotus the edge over the rest. The operation was partly funded by Andy Granatelli's STP company and the wedge shaped cars were livered in STP's striking orange colour scheme.

Lotus intended to enter their two Formula 1 drivers, Jim Clark and Graham Hill and Granatelli himself would enter another two cars for American drivers, including Parnelli Jones. Unfortunately Clark lost his life in a Formula 2 accident earlier that year. His replacement, Mike Spence, was struck by tragedy as well, losing his life after a high speed accident with Lotus 56 in one of the Indy 500 test sessions.

Eventually Graham Hill, Joe Leonard and Art Polland entered the race with the turbine Lotus. Again Lotus' bold move proved successful with Leonard on pole, closely followed by Hill. Hill crashed out early in the race, and Leonard and Pollard both retired with fuel pump problems. Leonard was in the lead with just a few laps to go, when his turbine engine died.

A grief strucken Chapman had returned to Europe with Spence's body and left the turbine Indy cars in Granatelli's hands. He campaigned the cars with little success. At the end of the season the innovative cars were left obsolete when the sport's governing body (USAC) banned both turbine engines and four wheel drive.

Featured is Parnelli Jones' Type 56, which has benefited from a ground up restoration in recent years. It is in full running order, but it is no longer fitted with the original turbine engine. This unique racer is pictured here at the 2004 Eyes on Design exhibition held at the Edsel and Eleanor Ford House.




Mark Twain once opined, "it's easier to con someone than to convince them they've been conned."

Offline cosworth151

Re: 1968 Lotus 56
« Reply #1 on: January 02, 2012, 01:02:56 PM »
Good stuff, Dare! Looking at the Lotus 56, one can see the start of what became the Lotus 72 F1 car that Chapman and Phillippe brought out two years later. The STP turbines of 67 and 68 will always be one of the great "what if" stories of racing.

Did you notice the #24 car at the end? Graham Hill's 1966 Indy winning Mecom Lola Ford American Red Ball Van Lines Special. Love the sound of its twin cam Ford V8.
“You can search the world over for the finer things, but you won't find a match for the American road and the creatures that live on it.”
― Bob Dylan

Offline lkjohnson1950

Re: 1968 Lotus 56
« Reply #2 on: January 03, 2012, 02:58:40 AM »
And right behind it in line was the Lotus 38 Clark won with in 1965. Clark like Tracy in later days felt he was robbed in '66. The Lotus team was convinced the Indy lap counters missed Clark when he pitted late in the race. After the race Clark drove to the Winner's Circle only to find Hill already there. Two drivers I greatly admire.
Lonny

Offline Dare

Re: 1968 Lotus 56
« Reply #3 on: January 03, 2012, 04:25:02 AM »
Mark Twain once opined, "it's easier to con someone than to convince them they've been conned."

Offline John S

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Re: 1968 Lotus 56
« Reply #4 on: January 03, 2012, 10:27:18 AM »

I like the reference to other drivers being frightned by the air brake popping up.  ::)

Sure was a beast of a machine, probably a good job they changed the rules or we might have Star Wars style jet racers now instead of the F1 we all know and love.  ;)

 
Racing is Life - everything else is just....waiting. (Steve McQueen)

Offline cosworth151

Re: 1968 Lotus 56
« Reply #5 on: January 03, 2012, 12:18:21 PM »
That was the previous year's turbine car. It was built without Lotus and had the engine offset to the left, much like many of the front engine roadsters.

Several others tried turbines in other series. The BRM-Rover turbine at Le Mans is notable. Chrysler built and tested experimental road going turbines from the 50's through the 70's. Nothing ever came of them.
“You can search the world over for the finer things, but you won't find a match for the American road and the creatures that live on it.”
― Bob Dylan

jimclark

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Offline Dare

Mark Twain once opined, "it's easier to con someone than to convince them they've been conned."

Offline cosworth151

Re: 1968 Lotus 56
« Reply #8 on: January 21, 2012, 04:29:09 PM »
Good stuff, Jim. Thanks!

The side exhaust on that 1966 car looks like it could have fried other cars in close running. It could have cooked a few pit crew members, too.
“You can search the world over for the finer things, but you won't find a match for the American road and the creatures that live on it.”
― Bob Dylan

Offline lkjohnson1950

Re: 1968 Lotus 56
« Reply #9 on: January 22, 2012, 02:29:26 AM »
That's why they made Chapman  aim the exhaust up on the 56. He must have laughed a good bit, knowing he'd get a bit of down force from it.
Lonny

 


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