He was responsible for developing a suspension system that made use of a torsion bar which he patented in 1922, some nine years prior to Dr. Ferdinand Porsche's similar system which was featured in many of the later German tanks in the Second World War.
He was responsible for developing a suspension system that made use of a torsion bar, known as the Horstmann bogie, which is used on many western tanks including the Centurion and Chieftain. He patented this system in 1922, some nine years prior to Dr. Ferdinand Porsche's similar system which was featured in many German tanks in the Second World War.