Hot-Wire Cutter Components
Using a hot-wire is an effective way to cut foam block used for composite construction. EAA staff member Mark Forss shows the component part that make up a hot-wire bow system.
How to Make a Hot-Wire Bow
EAA Technical Counselor Mike Busch shows how to assemble a homebuilt hot-wire bow to cut foam for composite layups.
Squaring Up Blue Foam
EAA Technical Counselor Mike Busch demonstrates how to use a hot-wire bow to square up large billets of blue styrofoam.
Composite Post-Cure Quality Checks
EAA Technical Counselor Mike Busch shows ways to inspect cured composite layups to inspect for any defects in the finished part.
Repairing Broken Foam Sheet
EAA Technical Counselor Mike Busch demonstrates how to repair broken sheets of polyurethane foam.
Epoxy Resin Scratch Test
EAA Technical Counselor Mike Busch demonstrates a tip to test epoxy resin to verify it has cured properly.
Joining Foam Cores
EAA Technical Counselor Mike Busch shows how to join foam core pieces together to make larger foam sections.