Adrian

My first estimate of 0.25 came from the accelerometer measurements during the coast. I went to Rocksim to compare, and Rocksim predicts 0.28 at 500 mph. Then I realized that I assumed a 5400 foot AS...

Yes, the on-board switch is rated for 4A continuous. But it also depends on what battery you use for the deployment; deployments require a separate battery from the Parrot's on-board battery. I hav...

I assume you're talking about a 29mm bird flying on an Apogee F10? If so, I have to admit some skepticism about that altitude. While the F10 is nearly a 100% F motor, that altitude is well beyond any ...

Short version of the story: The shock cord broke, so no record. Long version of the story:The launch was delayed first by my own technical difficulties and then by some serious wind. Just when we we...

The kids won't be with me tomorrow, so I'll have some time aside from chasing down an F record attempt. I'd go for some LCO duty, but I've been having too much fun with LPR and MPR to get around to m...

I'm taking another shot at the F record, using the Parrot for apogee deployment. This time, I did the Twirl-on-a-string test for stability. (passed) Last night the wind forecast for Saturday was 1...

Are you using Rocksim to test out the design before you build them? Like I said in my first post, I used Rocksim to verify the stability using both the Rocksim algorithm and the Barrowman equations. ...

As some of you may know, I finally finished the first production run of Parrot altimeters. I have about 20 of them ready to go now, and about 12 more that I'll calibrate in another batch when the fi...

Some of you may have noticed I've been having some stability issues recently. With my altitude attempt rockets, that is. I'm looking for suggestions because I'm stumped. I had 2 unstable little rock...

Hopefully I can get by with about 3 hours of sleep tonight and I'll be able to tell Warren at 7:30 myself. 😀

I thought I would be there by now with Parrot altimeters for Warren and others, but I'm still working on the temperature-compensated calibrations. I can see the light at the end of the tunnel now (aft...

An early look at the Parrots: I'm still more or less on track to get these done for Oktoberfest. Once I've tested and verified my calibration procedures, I'll send another email to Mr. Rouse regardin...

Hubble is cool, but for my money the most impressive space achievement since Apollo was Viking. Nobody knew almost anything about the environments the landers had to fly through and land in, yet they...

See you at Oktoberfest. I work for a little subcontractor to Lockheed Martin. Out of college I got a job working directly for LM, and then I went to a little commerical space company in California, ...

I've worked directly on 6 Mars robotic exploration missions, on a private commercial lunar entertainment/advertising mission, and now I'm working on Orion, so I'm kind of biased . I totally agree that...