The hinge line has been covered- (Literally
Chuck Auger had 2 different Whiplashes (Composite delta looks like a DD) one with a Rossi-65DF engine #2 had a modified Rossi-81DF that apparently was VERY fast until he threw a blade in flight---
Others use Jett- FIRE 50's, Nelson's or the West-50 and are approaching 200MPH- I believe.... Well built with a Kevlar belly and composite everything else-- no monokote to come off.
Welcome back to speed!