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- Dec 17, 2017
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Bruce Lee and Jerry Amrhein (Tripoli Colorado) set the new cluster record at BALLS with a rocket we call "Cluster Duck" It had 312 Estes C6-0 motors and one Aerotech Hybrid J390. Of the 312 Estes motors we got 298 to light and 14 that did not light and the J390 also lit setting he record at 299 total motors beating Larry Drakes 269 motor cluster set at Argonia in 2000. Ok, the pictures and videos have mostly come in so I am posting some here, eventually I will have a Youtube video up and running in the near future. On the rocket if you look carefully you will see the stylized Duck painted down the side and constellations painted on the nose all done by Jerry. As you can see we used 6 cluster motor groups each with its own flash pan and a central J390 hybrid motor. In the picture on the ground after the flight you can see the motors that did not fire, they are the ones with the nozzle still gray (the 4 at the center next to the central motor are just dirt), we stuck a wire into each motor to verify it fired. Stu Barrett witnessed and counted 14 non-firing motors. The video is thanks to Dave Filger of TRA MN. The photos are iphone or cut from our GoPro Video. The bottom of the Cluster Duck is 17" wide and with 298 C motors firing the flame looks like 17" of fire. We used 1.8 pounds of black powder in the flash pans and you can see 12 foot ball of fire at ignition. The J390 hybrid air-started.
As one of the owners of UP Aerospace I have to mention the number one launch video on the internet, now with over 18 million hits, google "GoPro Launch to Space" or use
As one of the owners of UP Aerospace I have to mention the number one launch video on the internet, now with over 18 million hits, google "GoPro Launch to Space" or use