This company, founded by James Church, was based in Chicago, IL.

"Church J-3"

-The J-3 "Marathon" model from 1929 delivered 41-46 hp, and it had four upright, air-cooled cylinders.

-This is a converted Henderson motorcycle engine. (See Henderson and Heat-Henderson).

-The Church V-8 B, with Type Certificate ATC-224 had a displacement of 248 cu. in. and delivered 93 hp.

-It had 8 air-cooled cylinders in V. Model J-8.

"Church J-8"

From Appendix 6: We discovered a new engine of this brand that is based on, and using major parts from the Ford V8 model 248 automotive engine. Changing water cooled cylinders for air-cooled cylinders with fins. It is the J-8 of the main text.

"Church V8-248"

-The J-8 obtained the ATC Type Certificate No. 224. The displacement matched the model, that is 248 cu. in. and its output power was 93 hp at 2,900 rpm.

"Crown wheel details"

-Between 1940 and 1941 the Church Airplane and Manufacturing Company was situated in Chicago when it designed this engine.

-As shown in the figure above the symbolism of the letter V and figure 8 is maintained although crossed as it was done by Ford.

-Previously Church Airplane and Manufacturing Company made smaller engines, based on those used on motorcycles. Church's activity ended in 1942.