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Category Archives: Homebuilt
The Last I4
It doesn’t have the same sound as “The Last V-8” now does it? When you look at what’s happening in the world of automobiles, you get some idea of a change. It is always slow, yet I predict that when … Continue reading
Posted in Architecture, Climate, Energy, Global, Homebuilt, Motivation, Science Links, Transportation, Uncategorized
Tagged Automotive X-Prize, E-RA, hybrid, plugin, Raceabout
1 Comment
Plotting and Printing Airfoils in Matlab
Gah, got tired of monkeying around with various software (XFLR5 is never provided as an executable on ANY platform despite countless requests, just some packets) so loaded up a profile in Matlab and plotted it in multiple sizes and printed … Continue reading
Posted in airplane, Homebuilt, Navelgazing, Uncategorized
Tagged Airfoil, Matlab, MH78, Plotting, Printing, python, Scilab
2 Comments
The Experience
[youtube=http://www.youtube.com/watch?v=PKopZgaPbgM&feature=related] This is something we’re after.
Iso-Haisu Hybrid First Flight, HD Video
EDIT2 Video is online now. END EDIT [youtube=http://www.youtube.com/watch?v=Yvc_xCLJimk] (I haven’t worked with the rocket, I just know the people who did this!)
The Rocket Was Found Today
Altitude was 2222 m. Apparently the backup timer shot the drag chute out while the rocket was still ascending. The team said they have video and will upload it later, if asked nicely enough. 🙂 Meanwhile, some launch photos. You … Continue reading
Posted in Homebuilt, Humor, Models, Motivation, Suborbital
Tagged Haisunäätä, hybrid, Iso-Haisu, pollux, sats
1 Comment
Iso-Haisu Launched Today Thursday, Still Missing
A Finnish largish amateur hybrid rocket project, Iso-Haisu (Large Stinky or Big Skunk, the successor of the smaller Haisunäätä, Skunk, the first Finnish hybrid) was flown today at a military artillery range. Reports say it disappeared into the clouds but … Continue reading
Posted in Demotivation, Homebuilt, Motivation, Suborbital
Tagged GPS, Haisunäätä, hybrid, Iso-Haisu, pollux, sats
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Ridiculous Laws, Part n of Infinity
It seems the US is getting onto private aviation bashing. No trailerable aircraft to airports or automobile gasoline for the engines. The former could be seen to be motivated by trying to prevent building bombs into aircraft, the latter is … Continue reading
Posted in airplane, Demotivation, Homebuilt, idiocracy, industry, Transportation
Tagged alternative fuel, aviation, Electric cars, FAA, overregulation, private, Regulation
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Hovering Vehicle Tilt Control, Part Zero
Someone was asking on ARocket about where to start with building a differentially throttled hovering vehicle. Lots of advice were given by various people. I’ll show some stuff I quickly sketched back in 2007 with Simulink. It’s such an easy … Continue reading
Posted in Homebuilt, Models, Motivation, RLV:s, Spacecraft, Suborbital
Tagged Digital Valve, Feedback, Hovering, PD, PID, Tilt, Valve, VTVL
1 Comment
Xombie NOW
Live stream just went up at http://qik.com/video/312581 they should be flying at 45 past whatever hour it is now in your time zone. Now on the pad loading propellants and helium. EDIT: And they did it! Congratulations! Also great accuracy. … Continue reading