Ed, Univair SB-32 requires an ultrasonic inspection. I don't see why that would not work for the spar cap.
Dave --- In [email protected], "Ed Burkhead" <e...@...> wrote: > > > > One thought: It seems to me that holes in the upper spar cap would most > likely be a problem when pulling negative g's, wouldn't they? Or, during > extreme vibration (i.e. flutter)? I wouldn't think normal flying loads > within the normal positive g limits would strain the upper spar cap. > > > > But, then, I'm not an engineer of any kind. > > > > Are there appropriate non-destructive diagnostic means to inspect for cracks > in the spar cap? Dye penetrant? Portable x-ray? > > > > Do we have any aeronautical engineers here? > > > > Ed > > > > Ed Burkhead > > http://edburkhead.com/Ercoupe/index.htm > > ed -at- edbur???khead.yyy change -at- to @, remove the ??? and change > yyy to com >
