Doorknob Scale Fin Can Scale Upgrade for Estes Kit

Doorknob Scale Fin Can Scale Upgrade for Estes KitA one piece 3D printed scale fin can for the Doorknob kit. It features 12 scale openings and fin supports featured on the prototype, replacing the black decals featured on the kit. Compatible with the balsa fins and cardboard centering rings featured in the kit or our upgraded laser cut plywood fins and centering rings. This part is printed using resin material and a SLA printer. It has been processed post printing to remove residual resin and support

Design by Brian Muzek

The FAI Fin Jig is an inexpensive but efficient tool to aid with building the SK369 FAI Competition Model Kit

A carbon fiber shaft and rubber bands are also included

Wiping the part down with a microfiber cloth soaked with isopropyl alcohol is recommended

It includes the 3D printed fin can (which has the fins supports and the vent holes seen on the prototype)

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FAI rules for duration events such as parachute

To install this part use a 1/16" drill bit to make holes in the red plastic part from the Estes kit as shown in the picture

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There is a price difference between the two versions due to the cost of the carbon fiber rods

Set of four 3D printed fin supports to enhance the scale properties of the Doorknob Kit

replacing the black decals featured on the kit