All Rocketry Blogs
Rocket Dungeon: OpenRocket - a new rocket design/simulation package (2009-06-27)
OpenRocket is a free, Java-based, open-source simulator program. It features graphical design, 6-DOF modeling, wind simulation, and graphing. The software was written by Sampo Niskanen for his ... [Read More]
DTH Rocket Blog: OpenRocket (2011-08-07)I just downloaded OpenRocket, which is an open source rocket design and simulation software. So far I love it much better than RockSim, and it is absolutely free. RockSim has some quirks that are ... [Read More]
Wayne Hill's Blog: OpenRocket 1.1.9 released (2011-11-25)“OpenRocket 1.1.9 has just been released and is available at the normal location: http://openrocket.sourceforge.net/ For this version Richard Graham has implemented geodetic computation ... [Read More]
Wayne Hill's Blog: OpenRocket desktop 12.03 and Android version released (2012-03-17)fresh from the OpenRocket team: “Hi, The next version of OpenRocket has just been released. This is a very special release in several ways. First, the version numbering scheme has been ... [Read More]
Wayne Hill's Blog: OpenRocket 12.09 released (2012-09-16)Hey guys – there is a new OpenRocket available! http://openrocket.sourceforge.net/ Hi, After way too long time, the next version of OpenRocket (12.09) is finally released. This ... [Read More]
Wayne Hill's Blog: OpenRocket 13.05 Released (2013-05-04)After a rather long delay, OpenRocket 13.05 has been released. There are a lot of new features, thanks to numerous contributors. The most important new features include: - Realistic 3D ... [Read More]
Wayne Hill's Blog: OpenRocket 13.09 released (2013-09-08)From Sampo Niskanen: “Hi, OpenRocket version 13.09 has been released. Most of the work in this release has been behind-the-scenes. Visible updates include numerous bug fixes, ... [Read More]
Wayne Hill's Blog: OpenRocket 13.11 released (2013-11-08)There is a new OpenRocket release over at openrocket.sourceforge.net Here are the changes: 1) Flight configurations have been streamlined. Instead of using a dialog, it is now a tab ... [Read More]
Wayne Hill's Blog: OpenRocket 14.03 released (2014-03-21)New Release of OpenRocket - http://openrocket.sourceforge.net/ “In celebration of the beginning of the Northern Hemisphere flying season and the end of the Southern Hemisphere ... [Read More]
Wayne Hill's Blog: OpenRocket 15.03 Released (2015-03-27)New release of OpenRocket 15.03 . Tube Fin aficionados rejoice because it includes experimental support for tube fins. Changes include: Support for scripting in simulation extensions Experimental ... [Read More]
Model Rocket Building: Open Rocket User Manual (2016-09-29)For those needing help getting started with Open Rocket, A User's Manual is available at the following address: CLICK HERE From the Website: Contents 1. Introduction 2. Downloading & ... [Read More]
Rocket N00b: Make: High-Power Rockets - New Book on HPR Is Now Out! (2017-12-05)Make: High-Power Rockets by Mike Westerfield After a long wait, we now have a new book on rocketry by author Mike Westerfield. He wrote a book I often talk about here ... [Read More]
Rocketeer's Corner: More scale modeling... (2017-12-30)Hawk missiles on their launcher (Click to enlarge). At the December HARA meeting, Elliot Laramie gave a tech talk on the Hawk anti-aircraft missile, which was first ... [Read More]
Rocketeer's Corner: Decals and wraps in Open Rocket (2018-03-18)Centuri Payloader from 1962 catalog (Click to enlarge). HARA has received an email from Levi's (the clothing company) looking to do a late 1950's/early 1960's period ... [Read More]
Rocketeer's Corner: Same thing, every year... (2018-03-23)I thoroughly enjoy being a TARC mentor; working with the teams is great, and I am thrilled to be part of the whole experience that is Team America Rocketry Challenge. However, mixed in with the ... [Read More]
Rocketeer's Corner: Building the Shrox Sniple - Part 1, Getting started... (2018-04-22)Anyone who has been into hobby rocketry for a length of time has heard of Douglas Shrox - "The Master of the Dark Art of Rocketry". Shrox is legendary for his exotic designs, many of which have been ... [Read More]
Rocketeer's Corner: Miscellany... (2018-07-30)It's been a few months since I last flew, and I am feeling a bit restless. Unfortunately, Pegasus field is way overgrown with weeds - won't be cut until fall - and HARA is still awaiting our first ... [Read More]
Rocketeer's Corner: 3 done..... (2018-08-19)The wet summer continues, but I have managed to find brief periods of lower humidity (between 45 and 50%) to get some final painting done. First up is the clone of the Centuri Stellar Starlifter, ... [Read More]
RocketReviews.com Blog: Updated Forum Image Uploader (2020-02-21)The Forum Image Uploader is a tool for making it easier to upload images to RocketReviews.com and use them in forum posts at The Rocketry Forum, Ye Olde Rocket Forum, and other online forums. ... [Read More]
Rocketeer's Corner: Another 4th of July rocket... (2020-05-13)Every year I make an effort to build a patriotic-themed rocket to commemorate Independence Day. Last year, it was an Estes America , and here are a few more from previous years . All this s ... [Read More]
Rocketeer's Corner: What to do when OpenRocket no longer works... (2021-01-01)Some of you may know that I switched from Windows/PCs to MacOS/Macs several years ago - I got tired of all the issues with drivers, the "blue screens of death", the endless stream of updates, and ... [Read More]
Rocket Dungeon: Reviews: Heavenly Hobbies Resistor 224 (and H.H. Simit) (2010-12-18)The Resistor 224 Planetary Defense Weapon is the latest offering from Heavenly Hobbies . This futuristic, dual motor, 24mm design features their ‘Amaze’ ejection baffle, laser cut plywood fins, ... [Read More]
Greg Smith's Blog: Lagger: Plaster City 1/1/11 Launch Report (2011-01-21)The coolness of the date of this launch was exceeded only by the complete lack of wind and excellent flying conditions all day. The primary reason for this delayed report is that I was trying to ... [Read More]
Model Rocket Building: New Version of Open Rocket, 1.1.4 (2011-03-09)Download the FREE software HERE I've played around with the trial version of RockSim before. I fly Odd-rocs, it usually seemed like too much work to input all the non-standard parts. I hate learning ... [Read More]
Model Rocket Building: New Version of Open Rocket V 1.5.5 (2011-06-15)The newest version of Open Rocket is now available! You can find it here: http://openrocket.sourceforge.net/ This is version 1.5.5 and includes updates to the printing system for use on Windows. If ... [Read More]
Model Rocket Building: NEW Open Rocket Software Version 1.1.9 (2011-11-27)The newest version of Open Rocket is now available! You can find it here: http://openrocket.sourceforge.net/ If you haven't downloaded this free simulator you are missing out! While it doesn't have ... [Read More]
RocketReviews.com Blog: A Handy Little Scale (2011-12-02)Getting accurate weights of individual parts is important when choosing a motor for a rocket and for modeling and simulating a rocket in Rocksim or OpenRocket. For larger rockets, ... [Read More]
Model Rocket Building: Open Rocket Basics Manual (2011-12-10)As seen on TRF: Jeff Pummil has written a basic manual on how to get started in Open Rocket! You can download the manual HERE If you've been frustrated with your first attempts, this is what you ... [Read More]
Model Rocket Building: Open Rocket Version 12.09 Available! (2012-09-18)A note from Open Rocket developer Sampo Niskanen: Hi, After way too long time, the next version of OpenRocket (12.09) is finally released. This contains a huge number of improvements from a ... [Read More]
AKS Rockets: A word on scratch building. (rant) (2012-11-24)When I learned about high power rockets one of my first and unfortunately inaccurate observations was that most people tended to scratch build rather then build kits. I thought that there was no way ... [Read More]
Model Rocket Building: Open Rocket Version 13.05 Now Available! (2013-05-06)The newest version of the Open Rocket simulator is available now! Download your free software at: http://openrocket.sourceforge.net/ And thanks to Sampo N! [Read More]
RocketReviews.com Blog: RocketReviews.com Site Updates (2013-07-24)Look for more designs to be indexed in the Rocksim Library and the OpenRocket Libray. I updated the “spider” which searches the internet for designs. It now also looks inside zip archive ... [Read More]
Model Rocket Building: Open Rocket Version 14.03 (2014-03-21)The newest version of OPEN ROCKET v14.03 is available now at: openrocket.sourceforge.net New Feature - a 3d photo realistic rocket viewer - available under the Tools menu. This image ... [Read More]
Rich's Rockets: Recreational trigonometry: Fin Spin (2014-11-27)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 ... [Read More]
AKS Rockets: Too Sexy For My Cert (announcing my L3 plans) (2014-12-06)I'm about ready to further empty my wallet into the financial black hole of rocketry and start my L3! I wanted to do an L3 that was both simple and high performance. My plans have always jumped ... [Read More]
Greg Smith's Blog: April Lucerne launch report - Go, K300, go! (2015-05-03)I flew my first CTI 2546K300 at Lucerne last month and I'm a big fan. I busted out my robust but rarely flown Vertical Assault from Giant Leap Rocketry and the flight sim'd to 14,000' AGL. ... [Read More]
Rocket N00b: Mid Power: Building the Quest Big Dog (Part 12) - Finishing Touches (2015-05-20)Click here for Part 1 The Big Dog is looking really good at this point. Now it's time to attach the rail buttons and take care of a few final details. If you're just tuning in , rail buttons ... [Read More]
Rocket N00b: Fiddling Around (2015-09-05)My schedule is all over the place. Sometimes I work late at night; sometimes early, early in the morning. All this back and forth has left me with less time than I'd like for rocket building or ... [Read More]
Rocket N00b: The Copperhead Rocket - Built from Scratch (2015-10-13)This post is about a current project I'm working on. Pictures of current projects will mostly appear on The Rocket N00b Facebook page , so I can focus the blog more on informative stuff for ... [Read More]
Rocket N00b: When Launches Don't Go As Planned - An Example of Post-Flight Analysis (2016-01-11)If you build your rockets well and prepare them carefully for launch, most of your flights will go well. Sometimes, however, you will have flights which do not go as planned. Any number of things can ... [Read More]
Rocket N00b: Playing With the Flight Simulation (2016-04-04)You can generate an image of your rocket in flight in the Photo Studio in OpenRocket. Now that we've run a first simulation using Estes C6-5 motors, let's try a couple things. What if I'd built the ... [Read More]
Rocketeer's Corner: Designing a Christmas rocket... (2019-10-30)There are two holidays which really get a rocketeer's creative juices flowing - Halloween and Christmas. I'm a little late for Halloween - though I do have a few rockets in my fleet with the ... [Read More]
Rocket N00b: Technical Difficulties (2019-11-05)I was trying to illustrate the next post on the N00b T00b last night, with a screenshot from OpenRocket, on the MacBook Air I use for The Rocketry Show podcast. But the 3D image of designs in ... [Read More]
Rocket N00b: K'Tesh! A Chat with Jim Parsons, OpenRocket Wizard - The Model Rocket Show (2020-05-11)Jim Parsons' OpenRocket sim of the Estes Cineroc and Omega The latest episode of The Model Rocket Show podcast is up, and I'm talking with Jim Parsons. You may know Jim by the username K'Tesh on The ... [Read More]
Rocketeer's Corner: More TARC musings... (2022-01-30)I keep thinking about TARC - specifically, my rocket's performance in Geezer TARC. I wanted to understand why the simulation programs were giving way too high altitudes, while Thrustcurve.org and ... [Read More]
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