I'm thinking about how to do my fiberglass windscreen fairing, and two possibilities come to mind.
1) mask the entire area, put mold-release over all of it and lay-up a fairing which I can then pop-off and trim/sand away from the plane. Then when I'm happy with it use West Systems 406 to glue it in place.
2) Do the layup directly onto the windscreen/forward skin, letting it cure right to the parts. This way is non-removeable.
The pros and cons... (1) has many pros: I get more than one shot at it if it doesn't come out well, I can trim and sand it without touching the windscreen, I can do all the pinhole filling with it away from the plane, etc. But (2) seems to be the more common approach, and maybe a lot less work. My big question here is how do you trim/sand teh edge of the fairing where it is attached to the plexi to get a perfectly smooth transition, without damaging the plexi?
Thoughts?
1) mask the entire area, put mold-release over all of it and lay-up a fairing which I can then pop-off and trim/sand away from the plane. Then when I'm happy with it use West Systems 406 to glue it in place.
2) Do the layup directly onto the windscreen/forward skin, letting it cure right to the parts. This way is non-removeable.
The pros and cons... (1) has many pros: I get more than one shot at it if it doesn't come out well, I can trim and sand it without touching the windscreen, I can do all the pinhole filling with it away from the plane, etc. But (2) seems to be the more common approach, and maybe a lot less work. My big question here is how do you trim/sand teh edge of the fairing where it is attached to the plexi to get a perfectly smooth transition, without damaging the plexi?
Thoughts?