jj94
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- Jan 17, 2009
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I had a small launch with my friend for TARC plus a few other things for fun. We got a spill hole in the parachute to a size that'll get us to around 48 and calibrated the rocket to go fairly close to 750. We hit 777 on our first launch last week, then it bounced around from 760-732 from yesterday's launch. Still needs some minor tweaking. Thought you guys might like to see some footage.
This is from last week, on the 7th. You can clearly see a small blue flash just before the motor comes up to pressure. That's the small sliver of Blue Thunder I put at the top of the grain in most of my reloads to aid in ignition. Works like a charm, and you can see that it comes straight up to pressure. The initial delay from the end of the countdown to ignition is because the battery was a bit slow on getting the Copperhead going.
https://www.youtube.com/watch?v=SkH-YHdvTG0
This is the last launch from yesterday. I can't remember our altitude and time though. Our best altitude was 760 which was yesterday's first launch. Our best time was ~48 which I believe was this one. The Blue Thunder can't be seen as easily, but it's still there and the motor comes up to pressure nearly instantly. G53's are great motors.
https://www.youtube.com/watch?v=zgCwSuVVNCQ
This is from last week, on the 7th. You can clearly see a small blue flash just before the motor comes up to pressure. That's the small sliver of Blue Thunder I put at the top of the grain in most of my reloads to aid in ignition. Works like a charm, and you can see that it comes straight up to pressure. The initial delay from the end of the countdown to ignition is because the battery was a bit slow on getting the Copperhead going.
https://www.youtube.com/watch?v=SkH-YHdvTG0
This is the last launch from yesterday. I can't remember our altitude and time though. Our best altitude was 760 which was yesterday's first launch. Our best time was ~48 which I believe was this one. The Blue Thunder can't be seen as easily, but it's still there and the motor comes up to pressure nearly instantly. G53's are great motors.
https://www.youtube.com/watch?v=zgCwSuVVNCQ
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