John hendis the royal scientist. He research about new type of engine since 1941 he called it turbo-jet type engine. As the project 100% complete at 1944 the nazis already flew first jet. But hendis wouldn't stop his project he build TJ-Merlan 122 the first royal jet engine. As it was more stronger than Nazis Me262. It fitted in Beristo Camel (in progress) it shot down many 262s over than Scots cannel.