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Last updated: April 6, 2001
Site hosted courtesy of the
Minnesota Rocketry Network
Alan Estenson, Webmaster
 

April 2001 Meeting Minutes (4/6/2001)

On Tuesday April 3rd, MASA held its monthly meeting at the Science Museum.  There were 18 people in attendance (13 adults, 4 kids, 1 guest speaker).  Alan started the meeting around 7pm.

The next launch will be on the 28th at the Elk River site.  The competition will be 1/2A streamer duration (postponed from March).  The theme will be "OddRocs!".  The next meeting will be on May 1.  We will be doing some interactive RSO / LCO training led by Ted C. and Steve H.  We still hope to do the tour of the Air National Guard Museum, but a date hasn't been set yet.  A topic is still needed for the June meeting.

Glen Overby had ventured to Texas for NARCON.  We hope that he'll write up his experience for the newsletter.  (Art Gibbens welcomes any and all submissions for the newsletter.)

VP Steve Robb reports that he is working on his new launch control system, and it may be ready for this month's launch.  S/T David Fergus reports that the club is in good shape, financially.  Currently, we stand at 18 family memberships, 19 senior memberships, and 4 junior memberships.  This is still below last year's levels, but we may see more renewals and new members at the popular summer launches.

Steve Robb and his BullpuppyQuite a few people brought along items for "show and tell".  Steve Robb had a very nice PML Bullpuppy.  This sparked a discussion of the problems of using phenolic pistons inside Quantum Tube.  Glen Overby had a NASA cd that contained transcripts of all the manned NASA missions from Mercury through Apollo 17.  Dave Fergus brought along his scratchbuilt "Heavy Lifter"; he was looking for suggestions of appropriate decals.  Steve Hum had a fin can for an Optima/Shadow replica.  He had filled the interior space between the body tube and motor mount with 2-part expanding foam (purchased at a florists shop).  Rick Vatsaas had his high-power, much traveled Fat Boy as well as a rocket for which he had made custom decals.  Joel Henry had an "Aptek Pencam II" - a small digital camera that he hopes to fly in a rocket.

Guest speaker Tony ManzaraFor the evening, a special guest speaker was present.  (Dr.) Tony Manzara is a scientist with the 3M Performance Materials Laboratory - Propellants, Ordnance, and Pyrotechnics.  The title of his presentation was "Composite Solid Rocket Propellants - a Brief History and Current Trends."  He covered the history and different types of propellants that have been used over the years.  Tony also talked about elements of motor design - particle size, core shape, casings and liners, environmental and storage concerns, the chemicals used - and 3M's role and contributions.  Everyone present learned something new or discovered why things work as they do - it was a very interesting presentation.  Thanks to Tony for coming and talking to the group, and thanks to Art Gibbens for arranging his visit.  [If you have thought of additional questions for Tony, contact me and I'll get you his email address - Alan.]

(Alan Estenson)

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