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+# 2YikStik Build Steps
+
+ + fins
+ + vacuum bag fins with CF and glass
+ + sand fins to finished shape
+
+ + coupler
+ + cut two 1" rings of coupler for locking airframe bulkhead
+ + cut phenolic coupler for zipperless snout
+ + vacuum bag a layer of CF to the inside of zipperless snout
+
+ + cut airframe section for fin can
+ + rough cut on chop saw
+ + square ends on lathe
+
+ + cut centering rings and bulkheads for airframe
+ + 2 fin-lock thick rings
+ + 1 zipperless ring
+ + 1 bay divider bulkhead
+
+ + fabricate fin positioning jig
+
+ + fin can
+ + scribe a reference line along MMT tube
+ + drill forward fin-lock ring for TM antenna and charge wires
+ + locate and epoxy forward fin-lock ring in place
+ + tack fins in place on MMT, dry-fitting aft fin-lock ring
+ and using jig to aid alignment
+ + mask fins at airframe ID, and MMT at rear ring leading edge
+ + apply fin to fin glass
+ + mark and cut fin slots in fin can airframe tube
+
+ + prepare two terminal strips with leads for aft charges
+ + install terminal strips on zipperless coupler ring
+
+ + mark and cut hatch in fin can airframe tube
+
+ + cut phenolic coupler section to form ebay lip
+ + mark coupler for access hatch
+ + drill hatch and coupler for hold-down screws
+ + cut access hatch in coupler section
+ + install blind nuts in coupler section for hatch screws
+ + countersink hatch for flat-head screws
+ + install a thermistor in MMT near aft end
+
+ + install coupler section over electronics
+ + install fin can airframe, aft ring dry-fit only
+ + install zipperless coupler
+ + install zipperless coupler forward ring, routing wires aft
+
+ + install aft ring
+ + install tail cone
+
+ + fin to airframe exterior fillets
+
+ + mount electronics in fin can
+ + attach fin and MMT thermistors to TeleScience
+ + install final thermistor in airframe, attach to TeleScience
+
+ + mark and drill hatch for static port positioned to allow
+ operation of power switch
+
+ - airframe
+ + fit eye nuts to 1/4-20 rod through bulkhead using fender
+ + install Pro75 6xl case with forward closure attached in
+ completed fin can
+ + measure forward-most extent of eye bolt on motor from
+ airframe seating surface on fin can to know where to put
+ the bulkhead
+
+ 29" from airframe rear to bulkhead aft face
+
+ + epoxy bulkhead in airframe with coupler rings fore and aft
+
+ + load main chute and related recovery components to determine
+ required length of forward bay aft of nose cone
+ + mark and cut airframe to length
+
+ + machine a pair of 1515 rail buttons for countersunk screws
+ + drill and tap aft fincan ring and airframe bulkhead for
+ 1/4-20 rail button screws
+ - vent holes in fore and aft bays
+ - drill and tap for 2-56 nylon shear pins forward and aft
+
+ - nose cone
+ + pick up nose cone from Jeff Lane
+ + cut ring and bulkhead
+ + dry-fit ring and bulkhead in nose cone, mark and drill
+ for attachment screws
+ + install T-nuts in ring
+ + epoxy ring in place
+ + fabricate sled structure and attach to bulkhead
+ + install electronics on sled
+ + TM v1.1
+ + TeleScience
+ + 900mAh lipo
+ + power switch
+ + static vent hole
+ + install 4-screw strip on bulkhead for forward charges
+ + attach embedded thermistor wires to TeleScience board
+ - replace t-nut that got pushed out of ring
+ - clean up threads on all 4 t-nuts
+
+ - ground test
+ - verify electronics
+ - forward TeleScience .. make sure chan 2 not in use
+ - load airframe as if for flight
+ - verify RF connectivity to both electronics setups
+ - prep and fire forward and aft charges to confirm deployment
+
+ - paint
+ - prime fin can and airframe
+ - sand as smooth as possible
+ - paint fin can black
+ - paint patch on front of airframe black
+ - apply "2YikStik" mask over black area
+ - paint airframe gold
+ - remove mask from lettering
+ - sand everything with wet/dry paper, polish
+ - purple Altus Metrum decal on airframe tube
+ - holographic decals on two fins?
+
+ - Jeff's nose cone to be left unpainted for video,
+ maybe paint it gloss red later
+