Engines built by Frontier Iron Works in Buffalo, NY.

“Frontier V-8”

-Two models were made in 1912, the water-cooled 35 hp with 254 cu. in. and 4 cylinders inline known as the A-1. It had a Bennett carburetor and Mea magnetos.

-The A-2 was a V-8 that gave 55 hp with a displacement of 508 cu. in. It was water cooled and had copper sleeves in the cylinders, Bosch magnetos, and Kingston carburetors. Similar to ENV.

From Appendix 9: In 1912, Frontier Iron Works made an 8-cylinder V-engine, model A.

"Cover of the technical document of the engine"

From Appendix 10: We located two new photos in a 1912 "Aeronautics" of the engines A-1 and A-2.

“A-2, 55/60 HP on a Wright biplane”

-And a Frontier on a pedestal with the water radiator behind it. We observe a considerable flywheel. It is the A-1 with less power. See main text.

“Frontier A-1 engine”

-In the above mentioned magazine, the detail that the crankshaft was Krupps 3 1/2 chrome-nickel steel.