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Oct 17, 2010
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Comment: hmm may have found it. http://www.cadspan.com/tools I didn't see the free plugin downlo…
Comment: I've had a laser cutter for years and I remember a version of Sketchup that did allow y…
Comment: are you sure this uses the free Sketchup
Comment: ok I think I have a better handle on it. after reading a few things including.http://e…
Comment: I would like to see the basic design used on land with on diferance ridges on the wheel…
Comment: Ok only got to watch the video with soundI should read some definitions of some of the …
Comment: I don't think hes getting any free energy out of it.it seems hes set it up to continue …
Comment: hmm on a side note if you do make one with props that rotate let me know if you can rev…
Comment: I tend to think that its never really thrust that propels it forward since that implies…
Comment: Based on my post above and I realize alot of this is based on your perspective. But I f…
Comment: Ok when I get to my computer ill have to look it over.as I understand what your saying …
Comment: What am I missing that makes the prop apear to be powered by a head wind.granted I have…
Comment: the pressure on the exhaust is not related to the water going uphill. now it may affe…
Comment: Where are you getting fossil fuel use, or government energy from on this?this only uses…