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March MASA meeting – Hennepin County Brookdale Library

The third MASA meeting of 2013 was held at the Hennepin County Brookdale Library on March 7.


The next regular club launch will be on Saturday, March 23 from 10am to 3pm.  The location will be the Elk River / Otsego VFW soccer fields.  TARC teams welcome!  This launch falls on the final weekend to do TARC qualifying flights.


The next meeting is planned for Thursday, April 4 at the Plymouth Library.  The topic will be Safety and LCO/RSO training.


  • President Neal Higgins gave a summary of NARCON; NAR membership is at an all time high, and NAR finances are in excellent shape.

  • Neal Higgins also gave reports on recent outreach activities; in February, Chris Feld gave a presentation on rocketry to Boy Scout Troop 570 in Plymouth. Chris Feld, Neal Higgins, and Buzz McDermott assisted with the troop's build session. The troop held a launch on Half Moon Lake in Plymouth, for which MASA provided equipment. The launch was attended by Neal Higgins and Chris Feld.

  • Neal Higgins also informed the membership that a Cub Scout group had contacted him and was interested in having us do an outreach event for them. He mentioned that this was a group of 4-5, and that they would fly their models at a regular club launch. Date, time, and location were to be determined.

  • Vice President Jeff Taylor reminded the membership of MASA's Fly it-Take it program, in which the club stockpiles simple model rockets (built by members) to give to visiting children.

  • Jeff Taylor also informed the membership of an upcoming presentation by John Grotzinger, who headed NASA's Curiosity mission. The presentation will be held at the Fitzgerald Theater in St. Paul, on May 21st at 7:00pm.

Meeting Topic:

The meeting concluded with a build session led by Rick Vatsaas. Nine members built rockets of Rick Vatsaas' design, which incorporates a cardboard coffee cup, plastic lid, and a plastic wine glass.

After the meeting, Rick dubbed this rocket design the "Vente Vini Vici".

The plan is to drag race these rockets at the June MASA launch.

Courtesy of Neal Higgins, here is a RockSim file for the Vente Vini Vici, and an OpenRocket file.

Here are the details that Rick sent out in advance of the meeting:

The plan for next Thursday’s meeting is to build a Rick Vatsaas style disposable cup rocket (oh, that so needs a better name), The cost per kit is going to be $3.00,  $1.00 if you want to add an engine clip instead of friction fit motor.  The finished rocket is about the same size as an Estes Fatboy.,  so $3-$4 bucks is a pretty good deal.

Kit Details

o    Uniquely whimsical sci-fi stylingI

o    Plastic Nosecone (disposable Plastic goblet)

o    Cardboard fuselage (Disposable coffee cup, 20 oz).

o    Vacuum Formed Nosecone coupler (disposable coffee lid)

o    Cardboard centering ring

o    BT-20 Mmt

o    Eyescrew launch logs

o    Day Glo shock cord

o    Note that the kit design does not require an engine block  (you create a tape motor stop Aerotech style,  or purchase the optional engine hook

o    Kit does not include a parachute.

o    Fins are paper covered  balsa

o    Cost:  $3.00, $4.00 with engine hook

Please Bring

o    Scissors

o    Xacto knifes

o    Cutting surface

o    Straight edge

o    Masking Tape

o    White or wood glue


[Chris Feld]

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