Plywood Upgrade Sets
Great for experienced modelers, plywood upgrade sets replace weak, often broken fins of classic model rockets with sturdy laser cut plywood replacement fins. It's an opportunity to rebuild an old favorite as a longer lasting, higher flying model supporting bigger motors.
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Doorknob Plywood Fin Upgrade Set of 4
Rocketry Works
$14.99These 1/8 inch thick plywood replacement fins for the Estes Doorknob kit are a great option to improve your build strength and durability over the stock multi-part balsa fins that can be damaged in transit or during assembly. Laser cut to the...RW-FIN-DOORKNOB-PLY-3MM$14.99 -
Der Big Red Max Plywood Fin Upgrade Set of 3
Rocketry Works
$14.99These 1/8 inch thick plywood replacement fins for the Estes Der Big Red Max kit are a great option to improve your build strength and durability over the stock multi-part balsa fins that can be damaged in transit or during assembly. Laser cut to...RW-FIN-BIG-RED-MAX-PLY-3MM$14.99 -
Super Big Bertha Plywood Fin Upgrade Set of 4
Rocketry Works
$11.98These 1/8 inch thick plywood replacement fins for the Estes Super Big Bertha kit are a great option to improve your build strength and durability over the stock balsa composite fins that can be damaged in transit or during assembly. Laser cut to...RW-FIN-SUPER-BIG-BERTHA-PLY-3MM$11.98 -
Mega Der Red Max Plywood Fin Upgrade Set of 3
Rocketry Works
$29.59These 1/8 inch thick plywood replacement fins for the Estes Der Mega Red Max kit are a great option to improve your build strength and durability over the stock composite fins that can be damaged in transit, during assembly, or in flight. Laser cut...RW-FIN-MEGA-RED-MAX-PLY-3MM$29.59 -
Plywood Big Daddy Upgrade Set
Rocketry Works
$12.99Upgrade your Big Daddy fins and centering rings to plywood, through-the-wall fins! Strong plywood construction and TTW design ensures that you spend more of your flight time flying, and less time repairing broken fins. The forward centering ring features...RW-BIG-DADDY-SET-TTW-3MM$12.99