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October Meeting Minutes (10/3/2008)
The October 2008 MASA meeting was held on the 2nd at
the Science Museum.
A total of 4 people attended the meeting.
(Where was everybody!!!)
Next Launch: The next regular launch will be on
Saturday, October 25 at the sod fields near Nowthen. This will
likely be the final launch of the year at the sod fields.
Theme of the launch is "goonies and odd-rocs".
Next Meeting: The next club meeting will be on
Thursday, November 6 at 7pm at the Science Museum. Major order
of business is opening nominations for 2009 MASA officers. A
topic or activity is needed for this meeting!
Other stuff:
- NIRA is hosting a sanctioned regional competition in the
Chicago area this Sunday, October 5.
- It's time to get thinking about the club holiday party
(where, and when?)
- TARC registration is now open. TARC mentors - "on your
marks, get set, GO!"
- S/T Rick Vatsaas reported that MASA currently has 26 family
memberships, 15 senior memberships, and 2 junior members.
There is about $500 in the treasury.
Show and tell:
- Andy Heren brought a vintage package of Centuri B6-6 motors
that were given to him recently.
- Rick Vatsaas brought two of his "cup rockets". The
bodies are made from cups purchased at "Bed, Bath and Beyond."
[Wow, that "beyond" section really does have everything!]
One is complete and has flown; the other is still under
construction. Rick also brought his scratchbuilt 4"
diameter "Rather Big Bertha". He plans to fly it on a
J350.
- Alan Estenson brought his Estes Big Daddy with custom "Der
Grosser Vati" decals.
"Making Composite Fins for low, mid, and High Power rockets"
by Rick Vatsaas
For the evening's topic, Rick presented some ideas and
methods for making composite fins. He talked about
fiberglass, epoxy, molds, and vacuum bagging of small fins.
Rick shared some ideas for doing vacuum bagging inexpensively.
He uses "ziploc" type bags that can be evacuated using a small
electric or manual vacuum pump. Instead of peel-ply, he
uses ripstop nylon. Rick demonstrated by mixing up some
epoxy and vacuum-bagging a balsa fin right on the spot.
Thanks Rick!
(Alan Estenson)
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