34 responses to “80 ft. Fire Shower”
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Wowww!!! Great shot (both, the rocket & the photo). Nice job could be very amazing are involved in a project like this 😛
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Wow! It must be incredible to see your work taking off like this. And this image at its full size is amazing.
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Wonderful shot and check list! Glad to see the flight was a success. The original size photo is especially impressive. I assume the titanium contributes to the sparks. How about the dark smoke…..mix of black powder? Can’t imagine setting off one of these in my back yard.
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This is freakin awesome! Not only is it a great photo but the fact that the rocket is a hobby of yours too is sweet!
Great job.. instant favif you get a chance take a peak at my work.. no rockets but quite the variety 🙂
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Yes… what was your clue? I took a closer look at the photos, and it went into a slow roll counter-clockwise. After leaving the launch rail, it took 2 seconds for the logo to rotate about 45 degrees.
Windwatcher: the black smoke comes from a unbalanced fuel/oxidizer ratio, where the fuel does not burn completely and leaves the nozzle as smoke. Here is a Scienceblogs post I did on propellant types with photos.
James_cann: the sparks come from the titanium sponge pre-mixed in the solid propellant. They melt and become white hot. This photo is one second after ignition.
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nice work! that picture is awesome!
i know what you mean by having all those questions in your head before the flight. this weekend at BALLS I plan on finally going for my L3 in a min diameter, then if that succeeds put in a EX M3000 that I made that should take it to Mach 2.5. i’m pretty worried about the fins for that one.
we also mixed a small (%2) O moonburner at my place this weekend using the same case that we blew up at BALLS two years ago – (you got a video of that one, with the carbon confetti raining down). going in essentially the same rocket (with broken airframe parts replaced). it’s going to be fun 🙂
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Sweet. See you there. The weather forecast is nuts – high temps in the 40s and up to 50MPH winds. Dress warm.
I have now posted the video from my ground camera.
This concept was taken to the extreme with this Delta IV launch, where the sound-activated wide-angle lens probably bit it…
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Please tell me about your electronics set up. I am also building a Performance Rocketry V2. As of right now I plan on putting the electronics between the top two centering rings. (I will be using 3) I plan to tether and free bag the nose cone. I frequent the Rocketry Planet forums and TRF if you post over there.
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I mounted a standard GLR 4" avionics bay onto an extra 12" bulkhead plate that integrated into the design for parachute deployment. Some description of that above. The blast above the plate deploys the heavy nose on a separate chute and gets the drogue out of the body which pulls the plate out which pulls the main out.
G-wiz HCX and LCX inside. The screw switches are epoxied into the side of the 4" bay, accessible via drill holes in the outer airframe. Air vents for the computers are only on the bottom of the bulkhead plate, and from there out through the airframe. So the BP charge does not have a direct air path to the avionics computers.
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