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Slipstream is a free racing vehicle simulator trying to be physically accurate and fun to play at the same time! Contrary to most simulators out there it's not designed around a single type of vehicle. It should be able to support anything from a bicycle to a car or anything else that can be driven around on a racetrack for that matter.
Although Slipstream is still in early development it should already be useful for a couple of purposes. A model of a modern motorcycle has been implemented and it handles well enough to be both fun and challenging to race around the available track. Besides that the vehicle model has been completely based on academic research (see the manual for details and references) and every care has been taken to make it as accurate as possible. Combine this with the fact that it is easily configurable, using either the graphic interface or scripting to the very last detail and you get a pretty good research tool.
I could really use help developing Slipstream in a number of areas including:
One thing you should be aware of if you're thinking of participating in the development of Slipstream is that most of the positions above imply research assistant duty. Slipstream is based on Techne, which aspires to be a general-purpose simulator and renderer bringing computerized art to the masses, so while developing a GUI and better graphics for Slipstream is important, what's more important (at least for me) is developing the infrastructure that supports these in such a way that is generic and equally applicable to other projects besides Slipstream. I'm now in the process of redesigning Techne's renderer and http-based interface so I'm particularly in need of assistance from experienced artists and web designers for feedback in the design process. Please contact me via e-mail if you're interested in helping out with the development of Slipstream in some way.
I don't really know how well Slipstream would fare if applied to research as I'm not capable of assessing that. I've tried to produce plots of the models where I could and they seemed to match the published data and I have generally no reason to believe that Slipstream is less accurate than the setups used in the research papers. To be honest I have no reason to believe otherwise either but I would be very interested in finding out so if anyone's considering doing research with Slipstream let me know and I'll try to help out as much as I can. More information on the physics model can be found in the documentation.
Here are a couple of videos from the latest release.
Slipstream runs on Techne so you'll need a working installation of the latest version of Techne (version 0.2.3). Depending on the distribution you're using there might be packages available or you may need to compile the sources yourself. Head over to Techne's homepage to see the hardware and software requirements.
This is the second release of Slipstream, released on May the 25th 2012. In addition to these packages you'll also need to install Techne version 0.2.3 which you can find here.
|slipstream_0.2-1_all.deb||85K||Debian unstable/sid package|
|slipstream-data_0.2-1_amd64.deb||47M||Debian unstable/sid (and Ubuntu Precise Pangolin) package|
|slipstream-data_0.2-1_i386.deb||47M||Debian unstable/sid (and Ubuntu Precise Pangolin) package|
The repository with all available versions can be found here.
Slipstream has a graphical interface that's mostly self-documenting and all vehicle control is carried out via the mouse so there's not much to running it. Configuring the vehicle models is more involved though so be sure to read the manual which is available both on-line as a single page http version and as a PDF document for off-line reading. The PDF version is recommended as it has readable formulas and is prettier overall.
Well Slipstream is relatively young so there is a remote possibility that some bugs exist. If you find one use the bugtracker in the project page to report it and I'll swiftly turn it into a feature.
Discussion on the various matters concerning the internals and development of Slipstream can be carried out on the slipstream-devel mailing lists. Please use these instead of my personal e-mail address for matters that might potentially be of interest to other users as well. Also remember to use the support tracker if you're having trouble getting Slipstream to compile and run properly.
Slipstream is released under the terms of the GNU General Public License.
The manual is distributed under the terms of the GNU Free Documentation License. See the appendix for details.