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Once the fin can has been assembled, it is stored in four parts - the airframe, the fins, the hardware, and the motor mount. To assemble these pieces, put screws through the fin supports, threaded inserts in fins, and place a nut on the other side of the fin support. Slide the airframe over the motor mount/fin assembly. Place screws through airframe into centering rings (27 15 screws in total for Therion, excluding any for the rail buttons)
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