Interesting pictures.
Recent advances in digital slo mo cameras have enabled portable lower cost cameras with very high frame rates and good resolution.
4000-10000 frames per second is achievable in sunlight.
Is this technology being used outside of reasearch and design establishments to trouble shoot mystery vibrations ect that could be related to rotor performance?
Ultra slo mo any use in checking that a rotor system is within specification on delivery?
Mickjoebill