QUOTE (Mark2002 @ Mar 23 2016, 05:58 AM)

Alan, I'm getting ready to install Aerocatches in my Blaine Fab carbon hood. They require a decent size hole so I'm curious if cutting into the honeycomb area requires any special consideration? I have the top mount because I wanted to avoid having to overlay carbon reinforcing per the AeroCatch instructions. Is it ok to cut the necessary hole and simply bolt these on? Or is it necessary to touch-up/reinforce the exposed honeycomb in some way?
The top mounts have a flange oround the topside that should be adequate to spread the load enough. Be careful to make the holes only large enough to fit the body of the aerocatch, to maximize support. Also just snug the fasteners - if overtightened the honeycomb could be crushed.
As I recall you have an LS1 hood - there is no flat surface on the hood so you'll need to pick spots that have as large a radius curve as possible.
With fiberglass I use a hole saw on the round ends, and a cutoff disc to connect, then a drum sander and a flat file to open the hole so the Aerocatch will press in. On the honeycomb structure I would be concerned with tearing the top and bottom layers, and the honeycomb will not support a hole saw pilot. I would consider cutting the hole with a razor knife (X-acto, for ex) instead - sharp blade, steady hand.
Mount the bodies first, then mark thru the body to drill for the pins - the Aerocatch are unforgiving of misalignment, get it spot on and they work nice.
I did these last month on a VFN piece: