Well, glad to hear science and math torch still burning. Been around too many passing, retiring etc and not being back filled. A large reason Boeing left Wichita - the engineers were retiring faster than being replaced and certainly challenging finding US replacements. Sorry for the detour.
КМЗ Dnepr MT11 // КМЗ M72 // ИЖ Planeta 5 // КМЗ MV750 // BMW R1200GS 30th