*** Welcome to piglix ***

Packard 1A-1500

1A-1500
Type Liquid-cooled V-12 piston engine
Manufacturer Packard
First run 1924
Number built 29

The Packard 1A-1500 was an American 12-cylinder liquid-cooled 60-degree Vee piston aircraft engine designed in 1924. Test flown in the second prototype Douglas XO-2 it proved to be unreliable. Only 29 engines were built.



...
Wikipedia

...