We are very graeatful to the h.h. franklin club from New York www.franklincar.org for allowing us to use the following historical informations and pictures below.
Franklin flies again. 4-cylinder opposed air cooled automotive and aircraft engines developed. Most parts are common to both types of engines. These are among the first successful opposed engines – standard on all future light aircraft. They pioneer the use of some equipment which the industry finally adopts decades later. In the end of 30’s and beginning of 40’s Franklin was classified to „big three” flying along, opposed engine producers, besides Continental and Lycoming companies. First modern opposed 6-cylinder engine was built in 1940 and it is part of the second generation of Franklin aircraft engines. Today they would be called modular engines.
In 1945 Air Cooled Motors company was bought by Republic Aircraft in purose of building engines for their waterplanes RC-3 Seabee
From 1946 thousands of engines are built in this and following years to power helicopters and light airplanes, including the first certified civil helicopter. Franklins power 3 out of 4 helicopters built over the next decade.
In 1947 Franklin engine is used as Auxiliary Power Unit in the Northrop YB-49 jet powered flying wing.
In 1948 Tucker Industries buys Franklin (Aircooled Motors, Inc.) to start production water cooled engine for Tucker car. 178hp helicopter engine is fitted with water jackets.
1951 The H.H. Franklin Club is formed to foster all pre-war air cooled cars and „the Franklin Spirit.”
From 1960 All 1925 series 11 and later Franklins but the Olympics are designated Classics by the prestigious Classic Car Club of America.
1961 Tucker debt paid and Franklin sold at auction to Aero Industries, never to really recover from the drain of capital.
70’s – 6 cylinder Franklin with horsepower 220KM is wide considered for bes engine to light planes ever built.
1975 Bankruptcy again. Rights and drawings are bought by the Polish government, which begins manufacture of PZL-F engines for twin Pipers and other airplanes built in Poland.
1990 A 1946 Bellanca and a 1947 Stinson fly from London to Australia in the grueling World Vintage Air Rally for airplanes built prior to 1950. Only these two of the 25 in the rally have Franklin engines, and are two of only 8 to finish.