The company is known as "Atkins Rotary". Their engines are adapted from Mazda Rx7.

From appendix A6/6: An example of this Mazda based rotary piston engine was mentioned in the main text. Currently, they developed the 12A, 13B or 20B.

"Atkins 20B aero engine"

-The latter is clearly for aviation, turbo supercharged, three bodies and powers of 500-700 hp.

"Exploded view without accessories"

"Exploded view of the main components"

-Another adaptation of this Wankel type engine is the one that is installed in the Sunrise Hiperlight.

"The Atkins Aviation with gear"