Spacecraft 3D

You like this Delta II Heavy model?Good, because you can have one just like it on your table. Go here. Download the AR target and print it out. Download the Android or iOS app and run it. Navigate Select Spacecraft > Launch > Delta II Heavy, point your phone at the target, and there you…

Recreational trigonometry: Fin Spin

Over on YORF, TXFergie was asking about the fin dimensions for the Estes Marauder #1922, and K’Tesh asked for details to help him enter the fins in OpenRocket. I neither have nor am much interested in the Marauder but for some reason I felt like calculating the numbers K’Tesh needed, and then that led to…

RockDat! LPR

Edit: You can pretty much ignore the following. RockDat! LPR was announced in posts on YORF and TRF, but the developer evidently never came back to those threads. I posted a bug report in the YORF thread and there was no response. The developer’s web site had no contact information, nor was there any in…

Photo studio in spaaaaaace

There’s a new version of OpenRocket out. Besides some bug fixes, it has a new feature: Under the Tools menu, Photo Studio lets you make pictures like this: You can vary the rocket orientation, camera angle and distance, lighting, smoke and flame effects, and background.

In lifelike 3D

Schedule and weather and commitments haven’t been in good alignment lately, so I haven’t done much rocket building except some priming and sanding. However, now that I have a version of OpenRocket whose 3D rendering with decals works properly, I finally have a pretty good 3D picture of my Goony Patriot design:

Open your rockets

I had fun at the last Syracuse Rocket Club launch, and I’d like to get to the September launch. Word is they’ll be doing a glider duration competition, so earlier this week I went looking online for a boost glider kit. I ended up selecting the Sky Rocketry Condor which I ordered from Apogee Components. I…