C.W. Wittber built a 6-cylinder, 55 HP radial engine.

“Wittber engine from 1915 in an Australian museum”

From Appendix 12: Two new photographs of the 6-cylinder radial engine, with two rows of 3 cylinders each, manufactured by C.W. Wittber, have been provided to us by the AEHS and partner Tim Wheat, taken this year, 2016.

“Wittber engine with the brand name clearly visible”

“Valve details”