BSA 420cc Air Cooled Engine recovery Pt4
Transmissions cooled horizontally opposed air cylinders 12.
I've always been a fan of air-cooled engines, I even like mechanical noises emanating from their bowels, unmuffled by water jacket and metal walls sunk it serves as a reminder that the car is powered by a engine contain many precision parts moving at high speed synchronization, similar to a Audemars Piguet running on high octane fuel.
Air cooling has advantages in simplicity, lightness and low cost auto air-cooled engines are effectively cooled by the air base and oil cooling is provided by generous fins on the cylinders and cylinder heads that expose the greatest possible surface of the forced cooling air through them by a fan driven by a motor located in the air stream is a heat exchanger for controlling the temperature of the flow of engine oil if the chiller is generally controlled by a oil pressure valve which circulates the oil through the cooler only when the viscosity falls below a predetermined threshold, charging that the oil has reached the operating temperature.
A major limitation of cooling air is only above an engine output of the order of 100 Kw 135 bhp, additional external cooling oil in the form of remote heat exchangers is needed This night considerably from the elegance of the inherent design of the cooling air and reduces the cost and the Porsche 356's weight saving benefits made by the Fuhrmann four-cam engine used two of these oil coolers remotely mounted forward behind the horn gates 911 incorporated an integrated cooling device much larger mounted on the crankcase; Nevertheless, even in the form of liters of origin 2 0, Porsche has recommended the installation of an additional cooler when using the car for sport As the power of the 911 has steadily increased, a mounted cooler front eventually became standard equipment.
Air cooling was rare before World War II in the 1940s that the apartment four course four Czechoslovakian Tatra V8 and VW were produced after the war, both Tatra and VW revived manufacturing their air-cooled engines the original Tatra V8 remained in production but 1975 and the VW prewar four flat-powered Beetle until autumn 1960, during which it was replaced by a engine design air-cooled updated.
After the war, Citroen and Panhard joined the club air cooled with the 2CV and Dyna X and the Porsche 356 debuted with a revamped version of the VW engine, a number of Japanese manufacturers and the Eastern bloc introduced model air cooled and many small cars were powered by a modification and two motorcycle engines cylinder air-cooled, resulting in the BMW 700.
Fiat Nuova 500 presented them with a new dual air-cooled The new 500 was also produced under license in Austria by Steyr-Puch which has developed its own engine for the car; a twin air-cooled horizontally opposed with hemispherical combustion chambers The Styer Puch-650TR, using a high-performance version of this engine, won the European Championship Rally of Group 2 in 1966. Finally, in 1959, Chevrolet introduced Corvair with an air horizontally opposed engine air-cooled six cylinders, and released their DAF 600 having a double flat air-cooled.
Then came the latest generation of power stations air cooled The decade of the sixties represented the top of development of the design of air-cooled engines, with significant improvement over those previously created most of these engines reflects the latest time design currents with trees overhead cam, hemispherical combustion chambers and rev capacity at 7000 rpm or more.
The first real 1960 next design on the market was the NSU Prinz 1000 launched in 1963. This cooling air was the first four-cylinder in the world to incorporate since 1923 unfortunate Chevrolet, and the first air-cooled product mass automotive engine with a camshaft.
The motor is constructed of an aluminum block with two sets of two iron rolls, and a pair of twin roll directs the cooling fan is integrated in the flywheel and a single camshaft is driven by a chain from the nose of the crankshaft 1 0, 1 1 and 1 2 variants of one liter were uniquely constructed, engines mounted at the rear are mounted transversely behind the rear axle.
He was a robust engine with a strong and rigid crankshaft supported by five main bearings Shortly after the introduction, the sporty TT variant was launched with twin carburetors and later the legendary TT and TTS TTS versions would be happy to spin up 7000 rpm in the form of stock and, facing Mini Coopers and Fiat-Abarth NSU won many European Touring Car Challenge One price Division whose 1st at Spa in 1967 and 1971 and second at Zandvoort in 1968 and 1970, they were a favorite of runners sedan period also won in 1968 class wins Marathon Route and the German Hillclimb championship 1974.
Probably the cooled engine more iconic air among amateurs was introduced into the 911 1964 created by Paul Hensler and Hans Mezger to replace both the standard engine 356 and the Fuhrmann four-cam engine, the six cylinder horizontally opposed, was originally produced as 0 2 liters with an aluminum housing and cylindrical drums aluminum with cast iron lining Each cylinder has been completed with its own aluminum cylinder head with a hemispherical combustion chamber fully machined unique camshafts were cooled driven by the chain has been provided by a magnesium fan belt caster alternator surrounding the air duct has been molded from a fiber reinforced glass resin.
Initially 911 2 0 engine with dual Weber carburetors triple throat.
The housing has a dry sump, with a single pump to double handling both the pressure capabilities and scanning an oil tank filter eight liters and full rate were located behind the right rear wheel in 1970 , oil spray jets were added to cool the undersides of pistons, a characteristic that has become commonplace on turbocharged engines in the coming years.
The 911 also introduced a new fuel system and unique traditional carburetors relied on a very specific level of fuel in the float chamber to control the final fuel mixture This worked very well in a stationary vehicle, but when subjected to centrifugal forces and turning inertia, acceleration and braking, fuel sloshing caused the mixture to vary significantly This is a problem in any engine, but especially critical in an air-cooled application from the welding performance can cause temperatures operation soar to dangerous levels in the short term.
To resolve this problem, Solex Porsche and engineers have developed a radically new fuel dispensing device for the new 911 Each engine bank was equipped with three carburetors Spill-tube single groove Solex that share a single fuel tank mounted au below the base of the carburetor.
An electric pump delivered the fuel tank to the reservoirs of a dual fuel pump driven by the engine to a fuel chamber for each bank continuously recirculated from reservoirs for carburettors Rooms fuel in carburetors were 100 kept full at all times, excess fuel exiting through the discharge and return pipes in tanks It was a great concept, but unfortunately Solex could never perfect the system and Porsche had to go to traditional carburetor.
911 August 2 RSR with high mechanical butterfly injection, magnesium speed battery and dual ignition.
Porsche immediately took the new engine to the track, installing versions set in the 6 904 in 1965 and 906 the following year, in 1967, a virtually identical version to the power plant 906-spec was made available in the 911R which developed 210 bhp at 8000 rpm, an output that is not new to the public in a 911 until the Carrera RS 2 July 1972.
In the fall of 1968 E and S versions incorporated mechanical fuel injection and electronic ignition Over the years since the engine has increased by steady increments of 2 liters of origin 0 3 6 liters and was developed in both normally aspirated and turbocharged form he went on to win almost every major race in the world in which it was concluded, including the Monte Carlo Rally in 1968, 1969, 1970 and 1978, the Tour de France in 1970, the Targa Florio in 1966 and 1973 and the Le Mans in 1979.
1968 saw the introduction of the VW 411 with a new design 1 7 liters of air-cooled flat four This was actually the second new VW engine of the decade The first was introduced in autumn 1960 in a form of 2 liters in the Beetle, Bus and Karmann-Ghia, and supplied later, the 1500 series 1600.
Unlike all other air-cooled engines debuted during the decade, the new VW engines selected pushrod-activated for valves The new 1 7-liter engine, initially equipped with two carburetors single throat, would later be offered with Bosch D-and L -Jetronic Jetronic fuel injection.
VW 1 7 liters with double carburetors installed in 411 Variant.
There were improvements on the smaller engine VW The casing was poured into a bit heavier, but more robust 319 aluminum alloy-silicon, and the selected higher capacity lubrication system first oil filter circuit the main VW cylinder heads have integrated a full cross-flow design for the first time, with outgoing exhaust ports at the bottom rather than the sides.
Gijs van Lennep Jooks and Klein in their 16th final overall VW 411 Rally Monte Carlo, 1969.
In addition to feeding the 411 and 412, the new engine finds its place in the VW-Porsche 914, VW Bus, and finally, in its most prestigious application, the Porsche 912 In 2 0 liter form high efficiency, Porsche designed yokes boosted power to as many as 100 DIN hp; the top to the Volkswagen air cooled engines.
One of the most legendary racing cars of all time, the Porsche 917 was operated by an air-cooled engine horizontally opposed DOHC 12 cylinders between 4 5 and 5 6 liters, both normally aspirated and turbo form another Paul Hensler and Hans Mezger design, basic architecture has been largely based on eight-cylinder Porsche Paul Formula One engine of 1962.
To reduce torsional stresses on along the crankshaft 12 cylinders, all departures for the electrical and auxiliary drives have been taken from the center of the crank 911 mode, each cylinder has its own individual aluminum head These were supplemented with a common cam shaft support, one per bank both camshafts head, four in all, were driven gear.
Low weight, both in terms of complete engine, and the rotating masses inside, is a key priority The casing is made of alloy aluminum-magnesium and the cam carriers and the cam caps are magnesium barrels cylinder are made of aluminum with Nikasil liners rods, rod bolts, the fan drive shaft, auxiliary and output shafts and other various materials were made of titanium the nozzles fan, cooling fan and inlet batteries are fiberglass cooling fan moved up to 148 cubic meters of air per minute.
As 911, 917 employs a dry sump lubrication system This uses at least seven pumps A triple unit in the housing provided with pressure and scanning the front and rear of the crankcase, and four small pumps at each end of the exhaust camshaft authorized to scan the oil cylinder heads the system was held 30 liters of oil per cylinder were twin spark plugs, lit by two separate dispensers fuel provided by mechanical injection Bosch the first batch 4 5 liter versions product 520-580 hp at 8500 rpm, supercharged versions generated up to 1 580 hp at full load.
The 917 won Le Mans and the World Sportscar Championship title in 1970 and 1971, the Interserie Championship from 1970 to 1973 and the Can-Am championship in 1972 and 1973. During the 1973 season, he won all the races in 1975, a 917 set a speed record over 356 kph closed 220 mph at Talladega Speedway, reaching more than 400 kph 250 mph on the straight sections.
The last automobile manufactured serially introduced with a motor design cooled by clean air sheet; Citroën GS GS entered production in 1970 and has raised the European Car of the Year 1971 In accordance with the small Citroen traditional practice, it has used an opposite engine front wheel drive, this time with four cylinders initially only 1 0-liter displacement, it was eventually expanded to 1 3 liters the housing and the head were cast aluminum and the cylinder drums are cast cooling fan mounted directly on the nose of the crankshaft in the manner of previous Citroen twin After another practice dating back to the original 2VC, the connecting rods are in one piece and mounted on a frame crankshaft.
As NSU and Porsche 911 engines, GS mere employees camshafts, but toothed belts instead of chains took them another Revver, the engine produces its maximum power at 6750 rpm.
A distinctive feature of the engine is that the crankcase incorporated a double oil pump; an inner section of the engine oil and an outer to provide fluid pressure for the hydropneumatic suspension system GS of the compact configuration of the authorized motor for the spare wheel to be stored in the engine compartment, a Citroen tradition.
Widely recognized as an economical family sedan, the GS also had a career in rallying, finishing 6 th in Caledonia in 1973, 4th in 1975 and 3rd in Rally Torre del Oro from Spain to Cyprus in 1977.
There are two I left as they sold only in small numbers, but are noteworthy twin air-cooled Honda 360 600 1967-1972, and air-cooled four-line Honda brief but technically intriguing 1300 and 1300 9 Cup 1969-1973 developed under the direction other than the majordomo himself, Soichiro Honda 1300 engine is a four-cylinder with a flywheel fan in the style of the NSU 1,000.
What is unique is that unlike other air-cooled engines which used sheets or tubes of fiberglass to contain and direct the cooling air flow over the motor, the cooling passages of 1300 have was cast into the block and the head in the manner of a liquid-cooled design that has significantly reduced engine noise from the level normally associated with air cooling installed in the 1300 Honda 9, the housing unit quad-carb dry produces 110 bhp at 7300 rpm the sporty character of the Honda engine is not too surprising; it was developed along their 3 0 liters Formula One 1968 air-cooled V8.
The Citroën GS engine will prove to be the final design of the engine air cooled motor With the increasing emphasis quiet operation, low emissions, fuel consumption, larger and ancillary movements produce heat; cooling air was no longer an attractive option.
The air-cooled engines traditionally ran a bit rich to reduce the combustion temperature Unfortunately, this time reduces fuel consumption and increases hydrocarbon emissions Additionally, the cooling system of most modern cars is facing not only with engine heat, but the heat generated by the air conditioning condensers, intercoolers with forced induction and transmission fluid coolers These additional loads well tip the balance in favor of a liquid cooling system Finally, it is quite difficult designing a multi-valve for an engine air cooled the space quickly to lack adequate end sizing and airflow yoke.
Not only 3,5l V8 4.5 V8 Tatra but was made in the late 1990 s.
VW Porsche knew them all over the world, but it was the Tatra Development that was stolen during the Nazi era, I recommend how Hitler personally assured Porsche to use knowhow Tatra and Tatra T97 V570 as promised resolve all legal matters after taking over Czechoslovakia.
1 The Peoples air-cooled car was designed by Hans Ledvinka, made in Tatra Koprivnice as the official line type of s 1920, 1924, 1925, because they made the trip across the Tatra Mountains, they were honored with the name of Tatra it was changing the original name of Ringhofer-Neseldorfer Mfg.
In early 1930 Ing Hans Ledvinka introduced the first of totaly new look and the entire line of revolutionary novelties- the passenger car production line in streamlined shape As 1 was officially named the car of the family V 570 I will not discuss patent rights and etc. bodywork and other technical properties of the car's mechanicals become the property of Dr. Porsche, because of diverse circumstances, and partly the cooperation Ing Hans Ledvinka and Dr. Porsche with Nazi ocupation of all Czechoslovakia 1938 39-1945.
After the war thanks to the large amount of financing VW Porsche Co bought Tatra rights of the product and thus became the Concept-origin product Tatra ownership of the new way different owners is the product of the original product x borrowed bought Unfortunately because the Communist Puch and the next development, the Czechs in 1948 lost the marketing and commercial personal contact with the free market from the West.
We forget today that in the years 1947-1949 the real world travelers, Ing Ing Hanzelka and Zikmund, with the Tatra 87 was able to travel through 3 continents Europe, Africa in Cape Town through the real jungle boat in Buenos Aires the new continent of South America Argentina Buenos Aires atop the Andes at 15-16,000 Cordilliers on Mexico and the Mid-American States, and by boat to Europe a great success has been mentioned in the press and spoke on the radio.
Before the war, pilots s were students of the University of Prague, working during the war in Tatra Mfg, and was fluent in 35 languages, including Dialects AFRICAN After returning home, they made the second complete travel half East of the planet Eastern Europe, complete Asia, New Zealand and Australia with two vans, a Tatra 805 2 wheels small trailers.
Something that should never be forgotten in our memories.
You are quite right The Tatra globetrotting journey by Jiří Hanzelka and Miroslav Zikmund that Jerr S Andy described is quite fascinating and bears further study.
Great blog It took me 15 minutes to read and 10 minutes to read reviews Never a Web page held me for so long.
Undoubtedly, the liquid cooling is the best but I love air-cooled, I think that today's materials industry could and look at the size of cars now, they are smaller and could use a smaller engine.
Mr. Kraus adds to the list of motor cars, air-cooled 50 seconds of the Germans; NSU Prinz 60, Glas now BMW 400 and 700, BMW 700, Japan 60 microcars Mazda, Daihatsu, Suzuki, Subaru, and Dutch DAF with a flat twin, world's first car with a CVT.
The popularity of the Beetle has recently been a matter of subjective desire and acrimonious cast a shadow of doubt on the Porsche back on the overall design of the car Undeniably Ledwinka was a skilled designer in his own right, but when the prototype Tatra appeared clean design Porsche has already been made in the form of NSU Typ32; and W17 Mercedes-Benz is also worth mentioning that the issue was resolved amicably with Ledwinka receive a dignified economic compensation Let's consider the fact that Hitler had talks with both Porsche and Ledwinka, discuss the formula of the car of a people.
The engine air-cooled is hope in the case of Deutz air-cooled oil, extra oil of new synthetic formulas can make the difference for a completely new design - diesel air cooled Tatra meets the stringent Euro 5 standards which include noise emissions the general option of the auto industry for the cooling water is based on the cost for technical reasons, as we can see, are not an obstacle for the design of a decent air cooling system, which has many virtues, including more durability, because the air, as in the case of water, did not degrade the metal.
Dear Roger omit that the first was air-cooled Tatra made in 1921, long before NSU32 or MBW17 So Tatra V570 77 were preceded by a long line of car air-cooled FR.
You are right NSU Typ32 appeared together Tatra 77, both sharing the air cooled RR More important are the design issues Tatra had with effective air cooling of the RR layout and was able solve Tatra recorded a number of patents on this and that is what Porsche copied.
Porsche may have finally found solutions on its own, but it did not, so we can say that without the use of Tatra VW Käfer knowhow would overheating unreliable piece of scrap.
Dear Bungameng 1923 Tatra T11's had an engine air-cooled front - Mercedes-Benz had a prototype air-cooled rear engine already tested in 1929.
Let's not forget Zündapp prototype with water 5-Cyl I do not see how we have to discuss, because we, like Ferdinand and Hans, as the cooling air.
The air-cooled engines are disappearing, unfortunately; maintenance and metallurgy are really aircraft engines Small decisive factors are even seeing this through better water-cooled high-power designs.
The thermal cycling process that shortens the air cooled engine life will finally be his down fall If you have spent much time with such engines as I soon see the disadvantages and see that Porsche and Citroen went the distance to try resolve these issues One of the biggest I encountered were the effects of the ambient temperature to 100 degrees F in July motor at 3000 feet above sea level, engine time and the ability to heat differ winter below zero both cleanliness and ensure no oil leak are crucial for long lasting engines.
Many first VW Porsche engine with whom I worked had followed the same disappearance oil leak led to the dirt from the cooling fins which led to overheating of VW owners have found difficult to replace cooling seals around the motor which allows the hot air under the car recirculated through the motor driving the temperature increases as the engine temperature has risen you heat the fuel pump mounted on the housing and support which could lead to mixtures then vapor lock 911 early 912s had the soundproofing insulation in their engine compartments that break down and enter the air cooling and lodge against the locking cylinder oil coolers 3 and 4 to get the proper air, I find that the maintaining an air-cooled engine is a high maintenance operation to ensure that the engine could get past the barrier 100k miles.
Today, consumers also want cars with every conceivable gadget and ridiculous levels of comfort leading to excessive power requirements and cooling that require little maintenance as possible Yes I miss air-cooled models and still have 69,912 I always liked the compact and lightweight parts drawings, they are simply pleasant to work.
The story says that the 1960 NSU Prinz was the first in the air cylinder four lines cooled automobile engine The automaker Franklin Syracuse, New York, United States built and sold cars with air line cooled four-cylinder engines in 1903.
Franklin built a total of about 70 000 air-cooled cars between 1903 and his death in the 1930 s engines ranged from four cylinders in line with a designed air cooled V12 and built in 1930.
The article stipulates that NSU had first four cylinders in line to join the air cooling of the world since the ill-fated 1923 Chevrolet.
To the best of my knowledge, the 4-cylinder Franklin engine was switched off by 1923 at least for automotive applications with the 10 and over with all series at least six cylinders If you can tell me what Franklins production with power 4-cylinder line have been produced in 23 or later, by all means please let me know and I'll update the article accordingly.
Do not forget the old Fiat 500 Cinquecento 500cc, double vertical, with pistons moving in tandem Engine lived in the 126 and later the Panda 750, in the 80s, I think.
Stalwart The 500 engine was not forgotten; as the original VW, Porsche, Citroen, Panhard and Puch air-cooled engines, the engine 500 is a drawing 1950 and not one of the last in 1960 powerplants introduced in the twilight years of air cooling.
Well, the last aircooled Citroën GS was not A but Visa Club, launched in September 1978 and also one of the first cars with ignition breakerless solid Although the engine is similar to the engine end Dyane6 Ami8 2CV, it differs radically thereof as seen barrels alloy, a displacement of 652cc and 36PS DIN 5500 and 30 a torque greater than that of a 29hp engine 602cc 2CV.
One could say that the Citroën Axel, introduced in 1985, was the last air-cooled Citroën But the engine is the same as in the GS.
Thank you to comment the club was launched after Prime Minister GS original, but the engine, as you say, as heavily modified, was always based on a 2CV architecture dating back to the 1940s, the engines I I'm focused here were all-new models in the 1960s.
Standard equipment electronic ignition was probably the first in a supermini, but trails the Delcotronic system available on selected models General Motors in 1963, the Ford system also PermaTune 1963 Dino V6 1966 Porsche models with six cylinders and 1968 Chrysler in North America in 1972 models.
Twin Citroën had a long career and equipped with different models until the 1980s, but began his career with only 325cc Much smaller and less powerful than the above 602cc and 625cc versions.
Interestingly, the DS was initally planned to have a 6-cylinder air-cooled engine based developed in 1948, but explains too why it failed.
Twin Panhard briefly mentioned at the beginning of this post is definitely not an engine of the 1960s, but guarantees more than a passing mention Designed by Louis Delagarde, it was much higher than double motor mounted on the AFG prototype designed by Gregory engineer of the same name.
The Panhard engine had an initial capacity of 610cc delivering 17 6k and was mounted on the Dyna X in 1947 two years before the car went out of production in 1952, its capacity was increased to 851cc for 29 kilowatts He then was mounted on the light in his version of Tiger reach 37kW last, 24 i Panhard more aerodynamic 1967 Dyna Z were fitted with a 60-kW unit.
Panhard was a favorite among aspiring pilots and professionals in France in the 1950s and 1960s sports cars developers as well, including Charles Deutsch and René Bonnet, and the small power unit was dubbed later engine 1600 wins, including a young girl finishing Monte Carlo Rally taking into account the very favorable regulations, and indices admittedlly perormance victories at Le Mans.
Wikipedia on the page Dyna X in English tells us that in 1954 a French car dealership in Hollywood is a number of complete chassis and engines Panhard and sold them to runner Bill Devin, who quickly developed a roadster fiber body glass and marketed them as Devin -Panhards.
The cars were available fully built or in kit form Approximately twelve were built 750 or 850 cc engines are also available with modified cylinder heads motorbike Norton Manx This may have been the first automobile use of the dual belt driven in this case, overhead camshafts.
Louis Delagarde is also responsible for the development of the RBA, armored reconnaissance vehicle Panhard, which Delagarde imagined an extended version of its twin-engine creation, 6 twins assembled geometrically similar, to fit the 20cm high engine compartment of the vehicle, Panhard seems a tribute that still exists today as an armored vehicle OEM little is said about this genial, though modest prodigy on the web the only source I could find in french is definitely worth a read.
If the visa Club 1978 and 1980 the GSA is how the visa later.
It doesn t fits your definition of a new motor car air cooled newly designed air-cooled Volkswagen Gol but must have been one of the last air-cooled cars to enter the market, it went on the market in Brazil in 1980 with the venerable Volkswagen 1 3 liter air-cooled engine displacement was increased to 1 6L during its production cycle, and the engine air-cooled has been replaced by a water-cooled engine in 1985 it was a nice car, as far as I know, he was the only front-cooled engine air drive Volkswagen front wheel ever produced.
The air-cooled V4 Zaporozhets, as the engines of the Fiat 500 and Covair, was the design of a 1950 and did not therefore be considered as one of the last air-cooled engines.
Franklin Automobile Co in Syracuse, New York, USA automotive world of air-cooled mechanical 1900-1936 Their chief designer John Wilkenson, Cornell graduate, commissioned several concepts that have become widely used in automobiles, such as advance automatic switching.
The first cars Franklin broke many records in the USA for speed and durability All the air were cooled with the engine in the front there is a museum in Tuscon, Arizona, USA has a large collection of Franklins; The lecturer mentioned a rather amazing little known that Ferdinand Porsche visited the car plant in mid 1930 s Franklin It may have come up with ideas that could contribute to Volkswagen engine of development.
The air-cooled engines are commonly used in private aircraft, I am pleased that the technology is still put to shame that it is not for the cars that I love my Volkswagen bus and will never willingly part with it.
Someone needs to write a good history book on the development of air-cooled engines for automobiles.
1948 Tucker was equipped with a flat-6 engine Franklin, originally air cooled done for the Bell 47 helicopter, but converted into a water-cooled engine Tucker bought the manufacturing company engine, Air Cooled motors, but canceled all its contracts with airline companies to focus on automotive engines Bad decision.
I guess technically it is a water-cooled engine, but you see a resurgence in the engine radiator least with the possibility of water injection engines 6 cycles.
Indeed, most every design cycle 6 uses the total loss of cooling water, although the cooling effect is secondary to the generation of the water vapor pressure, so there is no need a heater, I do not see an engine 6 times to come on the market soon.
Another radiator design was less gas turbine engine that many automakers have experienced in the 1960s Due to the huge amount of air passing through the engine to facilitate the combustion process, they needed no additional cooling system of any kind.
I have a 1299cc engine Citroen GSA I am about to integrate into a supersport bike of my own design with full fairings, suspension and modern brakes.
After the initial development displacement increase to near 1400cc, cams will be carried to a greater lift and duration, the tension of the valve spring increases and titanium retaining incorporated wholly eliminated nose fan and substantially lighter flywheel L the lower end is quite difficult for these mods the exhaust system be totally redesigned, coming in the intake port seat will be remodeled and enlarged for greater speed and it will induct four single 40mm throttle body, as you know , angles of intake valve seat are extremely high flow design to start.
The compression will remain roughly the same as stock primarily to keep the heat down, I have an oil cooler of great capacity to adapt, and more to integrate the small version plant Yes, it is retro in some respects, but the overall design is quite modern, I think to squeeze 140 horsepower out of it without breaking it.
Total weight with all fluids, will be somewhat less than 400 pounds and is a tilt angle of 50 degrees with the engine mounted above in the context, I agree with your contributers that cooled engines air are great and GSA was a great little engine in all its variants the last of a kind live the Citroen.
Chris, you've surely heard of BFG, a French motorcycle manufacturer defunct, which produced a GSA-engine machine in the 1980s it regretted bike was developed for CHF 100k budget by ten people a year compared Hesketh cost 400k and was developed by a team of more than 3 years 21people Originally introduced in 1978 it was introduced in 1982.
The 1300cc BFG was still considered by the French gendarmerie.
The company ceased production in 1998, but the club owners is still very active doubt your own Machine No interest greatly.
Great article, but why not more than a passing mention of the Corvair January 7 million products from 59 late model as 1960-1969.
By custom to the AU, the article focused on the 1960s, as it was when the last powerplants cooled mass market automotive air were designed As noted above, the decade of the sixties represented the top of development the design of air-cooled engines, with significant improvement over those previously created.
The Corvair engine was developed in the 1950s, at about the same time the gestation of the 500 released in 1957 and the second generation of VW engines released 1959 engines have delved into every design cycles and feature development that all or at least partially held between 1960 and 1969.
I did cover the turbocharged Corvair engine in a separate room and made a brief hello to the Corvair second generation here at some point I will write the Corvair in depth.
You did not mention the horizontal Steyr Puch Pinzgauer air cooled May 2 liter inline 4 engine cylinders first sold in 1971 and about 25,000 built until 1988 and still fully supported by the factory in 2015 looks a cross between diesel and Duetz and the Porsche engine.
I left that is only due to the fact that, to the best of my knowledge, he never received a car passenger car demand.
Certainly not really a car, but can accommodate up to 10 people 4 version 4 or 14 people 6 version 6 while in the seats installed in the factory and it is a Ledwinka design by his son well.
They were sold to the public in limited quantities and almost have been offered in the United States in 1978, there were several articles, including in the Car and Driver magazine on their imminent US release.
Unfortunately, the second oil crisis and climate responsibility in the United States made Steyr-Puch instead pull completely out of the US market.
In your summary of the history of NSU TTS race you could mention that the NSU TTS dominated the SCCA D-Sedan 1 liter in 1969 was the year that the gift Fiat-Abarth 1000 T owners love to talk.
I supported and led a 67 NSU TTS in the race SCCA road from July 1967 to the end of 1971 when SCCA stopped the D-Sedan Fiat Berlina Corsa 1000 dominated the Class 1 liter for years but it was 1969 NSU beat the Fiat-Abarth domination and finished 1,2,3 and 4-D Sedan race on American road Champions in Daytona Beach, FL.
I not only won the pole position in the D-Sedan, but I won the race in a NSU TTS followed by Bill and Dick Eisenmann MacDill 2nd 3rd while driving NSU TTS s If I remember correctly, in his Bob Speakman TTS was 4 It was a great year.
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End of an era The last car engines Aircooled Auto Universum, last, aircooled, car.
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