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COOL! I had not heard about the movie. I can’t wait to see it.As for the Saturn there is still a bit of work to be done and we have not ordered motors. Oktoberfest is at risk.

That looks absolutely fantastic! Ed, Joe, you HAVE to fly the Saturn V again at Oktoberfest, please.Doug

I am SO there!!!!W

I use Orcad–version 9, and used to use it at StorageTek to design boards. Haven’t used it in years though. Wish I could help. We used to send our boards to Rigiflex; very quick turnaround.

We used PCB Express because their software is free and the demo board runs are only 60 for three boards. We just did a fifty board run for about $500 which gives us 50 of each the minialt and full…   Read more»

Does anyone out there use the full version of Eagle for their PCB layouts?I am using the freeware version and am limited to a 4″ long board. I would like to make one a couple of inches longer to accomodate…   Read more»

I was selling them, now I need them again. I have a total of 6. I am using two, I have two off with Brad to integrate into the RMCS flight computer so that leaves two if you need to…   Read more»

Warren, Mike,We’re all on the same ‘wavelength’. I picked up a MaxStream development kit as well. With my homebrew GPS tracker in the front seat it was pretty cool to watch the wife’s car move around the neighborhood on “MS…   Read more»

We chose to go with the MMA2202 50+/- accel sensor on our flight computer. It is already conditioned for noise and works very well at a 12 bit resolution: http://mbrocketry.com/projects/elec/flight_comp/flightcomp.htmlWe just finished a production board run and I plan to…   Read more»

Does anyone know what is the range used in the commercially available units? The chips can range from 1.xg to well over 50g per axis.I’m tempted to settle on the +/-18G per axis, knowing that a small amount of data…   Read more»

This link gives pretty good references: http://www.edn.com/article/CA472836.htmlThe blacksky I’ll use again for the N drag race at Oktoberfest goes to 50 g’s, and when I put it back on the board, I’ll get the chip id and–hopefully–find a data sheet…   Read more»

I’ve looked with lust upon the 6DOF all-chip inertial sensor system at Sparkfun.com, but it maxes out at 6G’s. If those parts were say 40G’s with 10 bit resolution, we’d be talking some serious fun… That would get you .02G…   Read more»

For accelerometer Freescale and Analog Devices provide some good options.I don’t own any accelerometer based altimeters, though I have built two of my own to experiment with.Does anyone know what is the range used in the commercially available units? The…   Read more»

Like Warren I have built and flown a EM-406 GPS module from Sparkfun along with the maxstream modems. Depending on which modems you use you can get 20 to 40 miles line of sight. The GPS module outputs TTL and…   Read more»

I’m using the SiRF chipset from Sparkfun.com. 20 channel. Still haven’t flight tested, but with the Maxstream RS232 chipset on ground tests I get 4-5 miles range from a moving car back to my house using a homemade 8 element…   Read more»

Hey, I’d vote for a thread in the forums. I second that, Ed. In electronics? I built transmitters that transmitted back spin rate, temp, acc., etc. in the late 60’s using the CB frequencies. Still have those. It’s always been…   Read more»

Hey, I’d vote for a thread in the forums.I too have played around with altimeters, and GPS devices. I’m curious which GPS chipset you are having luck with. Most that I have looked at have a very poor tolerance for…   Read more»

Sounds good, feel free to email me.And yes, the GPS expansion looked intriguing.

We should talk Nick, I have a Gumstix and GPS application I’m playing with.Warren

they are 12″ and in use, sorry:(