update

diff --git a/rockets/airframes/YikStik3/YikStik3.ork b/rockets/airframes/YikStik3/YikStik3.ork
index 3616cc0ce78f8ed4e9e5a6132704d2897d34eac1..687814e0a37f280ac7fb3f43ff768392064fc27b 100644 (file)
Binary files a/rockets/airframes/YikStik3/YikStik3.ork and b/rockets/airframes/YikStik3/YikStik3.ork differ

diff --git a/rockets/airframes/YikStik3/index.mdwn b/rockets/airframes/YikStik3/index.mdwn
index cada025fb515d6ce4f1d64562756ece78ebbe084..4d696e487a26dba4cd1381e3833e2ddb3a7d6cc8 100644 (file)
--- a/rockets/airframes/YikStik3/index.mdwn
+++ b/rockets/airframes/YikStik3/index.mdwn
@@ -26,7 +26,8 @@ embedded in the glass layers made for us by Jeff Lane of
 
 ## Design Details
 
-* 98mm [Performance Rocketry](http://performancerocketry.com) G-10 convolute glass air frame
+* 98mm [Performance Rocketry](http://performancerocketry.com) G-10 convolute glass air frame 
+* 98mm [Performance Rocketry](http://performancerocketry.com) G-12 filament-wound glass couplers 
 * 75mm [PML](http://www.publicmissiles.com) phenolic motor mount
 * [Shock Wave Rocketry](http://shockwaverocketry.com/) fiberglass 98mm Von Karman 6:1 nose cone
 * custom fins, using 3/16 inch birch plywood laminated with carbon fiber 
@@ -63,7 +64,8 @@ LiPo battery, and a power switch.
 The TeleScience board supports connection of up to 12 NTC thermistors along
 with other capabilities.  
 
-Installing the electronics in the fin can bay was .. interesting.  More later.
+Installing the electronics in the fin can bay is a *huge* challenge due to the
+restricted space between the MMT and airframe.
 
 ## Build
 
@@ -74,9 +76,10 @@ The nose cone was custom fabricated by Jeff Lane at
 [Shockwave Rocketry](http://shockwaverocketry.com), with thermistors embedded.
 
 The fins are 3/16 inch birch ply, tapered on the leading and trailing edges,
-then covered with one layer of 5.7 oz 2x2 twill carbon fiber and a layer of
+then covered with two layers of 5.7 oz 2x2 twill carbon fiber and a layer of
 6 oz glass as a sanding veil, all vacuum bagged with West Systems laminating
-epoxy using a kitchen food saver appliance.
+epoxy using a kitchen food saver appliance.  The two CF layers are rotated
+45 degrees from each other.
 
 We're moving from the Giant Leap Rocketry 98mm Magnaframe-based Dynawind to
 G-10 glass tubing this time around.  Dynawind is lighter and strong enough,
@@ -91,8 +94,7 @@ recovered from 2YikStik's wreckage.
 
 All rings and bulkheads were cut using a CNC milling machine from 3/8 inch
 birch plywood.  The fin forward and leading edge rings are made from 3/4 inch
-thick assemblies made by laminating two such rings with wood glue, to provide
-sufficient depth for milled fin slots.
+thick birch plywood, mostly to provide sufficient depth for milled fin slots.
 
 Will add a pointer to build photos here once they are available.