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