I found the nosecone for this in my stash of rocket parts, so I figured it's time to clone it.
The plans are here:
https://www.spacemodeling.org/jimz/estes/est0816.pdf
I found a nice section of BT-50, cut it to 7.75 inches for the kit.
Printed out the fin patterns, use the PDF files to get the correct size.
I didn't the first time and ended up with some comically small fins.
Everything cut, sanded, and rounded:
The plans are here:
https://www.spacemodeling.org/jimz/estes/est0816.pdf
I found a nice section of BT-50, cut it to 7.75 inches for the kit.
Printed out the fin patterns, use the PDF files to get the correct size.
I didn't the first time and ended up with some comically small fins.
Everything cut, sanded, and rounded: