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Eggtimer Rocketry is proud to announce the pending availability of the Eggtimer EZ-DD Rocket/Altimeter package. One of the most frequent questions that we have received over the past 11 years has been "What do I need to get started in dual-deploy?". The answer has always been an a la carte...

Just what it says... which beeps do you really need to hear when you power on your altimeter? Remember, each value adds about 15-20 seconds to the time that you have to wait before you can launch... so all three will probably add a minute to your power-to-launch time. This is for our upcoming...

You can't make stuff like this up... https://boingboing.net/2024/02/23/will-ted-cruz-try-to-ban-the-jeff-bezos-blue-origin-model-rocket.html

We have had two reports of people in the field having their Eggtimer WiFi-enabled altimeter fire a charge on the pad. In both of those instances, the user had "swiped" the page from a deployment test that they had just conducted (instead of the recommended procedure of closing the page)...

It’s time once again for the Annual Colossal Spectacular Eggtimer Rocketry Holiday Sale. Despite having to grant the Elves an extra cost-of-living sugarplum increase, we’ve managed to hold the line on great deals. This year’s sale will run from Saturday Nov. 11th through Monday Nov. 27th...

We have just released two firmware updates on the Eggtimer Rocketry web site: * Eggtimer Quasar Rev. 1.02R * Eggfinder LCD Rev. 2.03Q These updates offer a number of performance improvements, particularly with the Quasar-LCD interface, as well as fixing some annoying bugs (like the repeated...

I inherited a 7.5" Polecat Thumper that was built but not quite finished, one of the things that needs to be done is to clean us some very ragged fillets. It looks like they were done with epoxy, structurally they're fine but they look pretty bad. Normally I would just get out the RocketPoxy...

I'm finishing up a 7.5" Polecat Thumper (5 x 54mm motors) with a 30" extension, to fly it with cluster motors it's going to take about 5# of ballast. I'm thinking about pouring some two-part foam in the nose cone and when it gets a little mushy add some steel shot to it. It would probably...

After nearly a year of redesigning/testing the Eggtimer Proton due to the sudden EOL of the 120G accelerometer sensor, the Eggtimer Proton is now available. We've made a few hardware changes... the 120G accelerometer has been replaced with a 200G accelerometer, and there is now deployment...

Does anyone have any experience with a desktop pick and place machine? Which one? What is your experience with it, would you buy it again, etc... The new version of the Proton that's going to be released in about a month has a few small-pitch parts on it (no choice... sensors keep getting...

We have posted a firmware update for the Eggtimer Quantum on our Support page ( eggtimerrocketry.com/eggtimer-quantum-support/ ), rev. 1.09F. This fixes a user-discovered bug in the Auto-Arm function... the Quantum wouldn't arm if Auto-Arm was turned on and at least one of the outputs was set...

We've posted a new firmware build for the Quasar on the web site, it's version 1.02D. There was a display-only bug in 1.02B that displayed the frequency/ID incorrectly on some pages in the North America version only, that has been fixed (the actual frequency was correctly set to whatever you...

We have posted a new version of the firmware for the Eggtimer Quasar on the Eggtimer Rocketry Quasar support page, https://eggtimerrocketry.com/eggtimer-quasar-support . It fixes a bug in the AUX output that sometimes prevented it from firing if it was configured as a second Main chute...

We've updated the Eggtimer Proton firmware to add some additional flight code to ensure a proper detection of apogee and nose-over. The new version, 1.04U, is now on the Eggtimer Rocketry support site... we recommend that you update your Protons to this version...

There's a new version of the Eggtimer TRS firmware on the Eggtimer Rocketry web site, we recommend that all TRS users with a Rev "B" board update their TRS's to this version. It has some improved nose-over detection that can prevent deployment failures in extremely baro-noisy environments...

It’s time for the annual Eggtimer Rocketry Holiday Sale. The elves have been busy packing up kits, our sale is going to run from Tuesday Nov. 15th through Wednesday Nov. 30th. That’s 16 whole shopping days to drain your annual rocketry budget! *** NEW! *** Eggtimer Quasar GPS/Altimeter...

Eggtimer Rocketry is proud to introduce the Eggtimer Quasar, the replacement for the discontinued Eggtimer TRS. On the altimeter side, it has 3 outputs: Drogue, Main, and a configurable AUX output that can act as an airstart timer or a backup Drogue or Main. Like the Eggtimer Quantum and...

Anybody know a good place to get silicone #228 and #230 o-rings for CTI 75mm hardware? I used to get them from McMaster, but they apparently don't carry them anymore. I do a lot of AT-to-CTI crossloads, the AT propellant kits come with two #230's but not the #228 for the CTI nozzle holder...

We've received a number of emails lately asking about product availability, so here's the skinny (at least for now). Altimeters: We have plenty of them, all models, and lots of parts to make more of them. The only exception is the Proton... the 120G accelerometer chip recently went EOL and...

OK, taking this one to the People... for a possible future altimeter. Thanks for participating! Cris Erving, Eggtimer Rocketry