As the Piet cockpit was pretty small, I decided to move the rear of the seat back a couple of inches. This would allow me to see the instruments without having to put on my glasses. I only need to move the top of the seat back. Leg room was already OK.
Upside down view of the top seat support
Additional side bracing
Side bracing glued in place
Seat back support at the top
Seat back support at the bottom
The seat back removed
Top of the seat support and the top cross brace
Getting ready for the top gusset
Top gusset in place
Seat back viewed from the rear
Whilst I was moving the seat, I decided to raise the turtle deck a bit
Center turtle deck supports
The raised turtle deck
Seat belt slots
Rear turtle deck support