Originally Posted by
mechpowi
That metallic high speed (aka. supersonic) tape is good for sustained supersonic flight, the fabric stuff (aka. high speed stuff) is only good for subsonic regime 😉
That, of course, is quite irrelevant in case of a 737.
I've never come across a fabric speed tape. Do you use it on external surfaces? The metallic HST is the only type I've ever used.