Adrian

The fire brooms work very well, until they loose their bristles. A friend who is a professional firefighter showed me a couple brooms today that have mechanically held bristles that are replaceable. The bummer was that he made them because…   Read more»

Here’s an idea of the size of the burn area, for those who weren’t there:

I was surprised to find that the most effective tool was the broom. That knocked the fire front right out along the edges of the burn. Toward the end someone was using water from one of the extinguishers and I…   Read more»

4 grain is the standard Shuttle load – the full load for Ares will be a 5 grain. Here’s a video of a static test of the 5 grain//www.youtube.com/watch?v=E3cPKgFKe0Y&feature=relatedAnd some high-speed video up the core showing the igniter firing//www.youtube.com/watch?v=CGImLZpQDwY&feature=relatedWow! That…   Read more»

The 70G version has a lateral accel axis also. I recommend the 70G version because the axial accel has better resolution and can be calibrated more accurately. The lateral G information is sometimes interesting also, for things like seeing how…   Read more»

Thanks to John Wilke’s helpful redlines, I updated the Raven’s user manual. It’s available here//www.featherweightaltimeters.com/uploads/Raven_Users_Manual_09Nov8.pdfRaven link//www.featherweightaltimeters.com/The_Raven.php

Can’t wait for Saturday….. E-bay is sitting waiting for it to arrive….I’ll have a bunch of Ravens with me all boxed up and ready to go. Now will I have my BALLS sustainer fixed up for an altitude attempt? We’ll…   Read more»

I still haven’t figured out all I can do with the Parrot yet and I want one already. Are they calibrated to NIST-traceable standards?WarrenThanks Warren. Yes, the sensor is is calibrated at the chip factory, and since it has the…   Read more»

John, with your high flight, did it look like you got any dropouts in the Astro data?

John,I agree that in the larger rockets, GPS isn’t a volume or mass problem, and if you’re flying over 30kft, the extra $150-$400 shouldn’t be a show-stopper, either. But reliably being in lock at apogee is still an issue. Maybe…   Read more»

Ed,I agree with your goal, and I agree that if you could get two identical flights to read within 1%-2% without worrying about absolute accuracy, that would be fine. No argument there. The problem is that the same issues that…   Read more»

If it were me, I’d use a 4′ dowel, some lightweight leader string with a weight on one end and some putty to stick the string/weight on the end of the dowel. Use the dowel to get the weight through…   Read more»

SOOOOO……………..The ssss now has a 12000 foot cieling next month heh!!!??>?? I guess we just put em up and see what happens!Adrians birds will bounce of that glass up there. Crap, I don’t have anything that will fly that low…   Read more»

Dont you have to pay additional 20 bucks too. Ypu would if it were slots, for a chance to win again!

Absolutely. So I’m in for $40, assuming I fly again.

Yes, I’ll have it.

Showing my ignorance here – did we change the rules to allow multiple shots in the SSS / SSSS? I wasn’t at the meeting last year. Seems to run a bit contrary to the spirit of “Single” Shot Sweepstakes. I’m…   Read more»

Yep. Chris got his Cirrus Dart to around 12 kft. A tracker is definitely recommended. That could be a winning shot if my recovery skills haven’t improved sufficiently, or if my new 38mm sustainer turns out to be a dog.Tim,…   Read more»

You bet. I’ve been wondering how I could fit in two 15+kft altitude shots and help my daughter with her scratch 2-stage LPR rocket, and this would really help. Weather permitting, of course. 2 days would help with the weather…   Read more»

Thanks for the info. Do you have the forecast like this for Sunday?

You are allowed as many attempts as you have rockets/money.

And then some.