Quote:
Originally Posted by beer
My (real world) test showed that the 2 second vid shown by @cfg83
is the best for flow attachemend with stepped slopes
|
beer,you'll want to keep an eye out for flutter.The steps will have a natural frequency and harmonics of that frequency in which they'll vibrate like a tuning fork.If not sufficiently stiff enough for dampening they can shake themselves apart in the vortex.