Please take a moment to view a short video of our 2017 initiatives & events.
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Removed peel ply from the 2″ BID tape on the seat brace/heat duct joint.
Trimmed the fiberglass edges using a small hand saw.
Sanded the taped joint and vacuumed the assembly and work table.
Sanded the bottom of the heat duct flush with the lower fuselage longerons.
Temporarily clamped 2 x 4s across the bottom of the fuselage to ensure the bottom of the heat duct was level with the longerons.
Cut out 2 plies of BID at 45deg orientation to make two 2″ x 17″ pieces of fiberglass tape.
Workshop temperature was 25deg C and humidity 33%.
Mixed a batch of epoxy using 116g resin and 44g hardner. Poured a small portion into a cup and added flox.
Applied epoxy to the 2 ply layup and applied flox to the joint between the seat brace and heat duct to ensure it was smooth.
Cut out the 2″ x 17″ BID tape using electric scissors and applied them to the joint on each side of the assembly.
Placed peel ply over both joints and wet it with epoxy.
Developed a clamping scheme for supporting the heat duct and seat brace during cure.
Levelled the sawhorses and used hot glue to glue the fuselage to the sawhorses and the sawhorses and shims to the workshop floor.
Temporarily positioned the seat brace and heat duct in the fuselage to determine the locations where they fit together.
Shop temperature was 25 deg C and humidity was 38%.
38g resin was mixed with 14g hardner. There was a few air bubbles in the seat brace so small holes were drilled into the bubbles and a syringe was used to fill the air bubbles with epoxy.
Flox was mixed into the cup with the epoxy and the flox was applied to the heat duct.
The seat brace was positioned on the heat duct and supported in place with clamps while it cures.