Bad day at North Branch (2011-09-22)

Two certification flights gone terribly wrong on the same day.

BALLS 20 (2011-12-11)

Various rocket flights at BALLS 20, Black Rock desert.

Balls19 2010 (2011-06-27)

A variety of rockets launched at Balls19, the annual experimental launch for the Tripoli Rocketry Assn.

Cross eyed Mary Balls18 (2011-06-22)

Team Umerg's beer keg rocket had a cato coming off of the pad, short but spectacular flight.

Heads Up & Dog Pack 2 stage Balls18 (2011-06-22)

Hillbilly Rocketry from Arizona put up this Beer Keg Rocket for the competition between Umerg, Team Numb, and Hillbilly Rocketry. Also, at the end of the video, is a launch of Marty Weiser's 2 stage rocket.

Locomotive Breath (2011-05-31)

Team UMERG's (Upper Midwest Experimental Rocketry Group) high altitude attempt at Balls18 in the Black Rock Desert. At 3 seconds, and an estimated mach 2, a fin that had an unseen flaw, ripped off and caused the rocket to shred.

Spike airstart (2011-09-22)

My rocket Spike flying on a central L motor surrounded by three J570's that start after the L motor burns out. Done in real time first, then at about 1/2 time for the second video.

Spike L3 Cert (2011-09-18)

Rob Grygar's Level 3 certification flight with the rocket 'Spike'. Flown at the Tripoli Minnesota June 13th launch at North Branch. Technical Advisers, Dave Leininger, and Ron Freiheit.

Totally Screwed Balls16 (2011-06-28)

This is the rocket project that the Umerg team put up in 2007 at Balls 16 in the Black Rock desert. Video speaks for itself.

Tripoli MN June 2010 Launch (2011-06-27)

Tripoli Minnesota's June Launch at North Branch.

Tripoli MN Memorial Day 2010 (2011-09-22)

Research launch for Tripoli MN on Memorial day.

UMERG Big Yeller (2011-05-29)

Tripoli Minnesota hosted a research rocketry launch, and UMERG (Upper Midwest Experimental Rocketry Group) launched 'Big Yeller' for the state record of "Largest amateur rocket". This launch was held on May 24th, 2009.