tag:blogger.com,1999:blog-3904461976821332291.post1491416017413689692..comments2008-02-23T10:18:41.345-05:00Matt Novakhttp://www.blogger.com/profile/09360406896692501416matt@paleofuture.comBlogger7125tag:blogger.com,1999:blog-3904461976821332291.post-84190644002254268822008-01-27T19:45:00.000-05:002008-01-27T19:45:00.000-05:002008-01-27T19:45:00.000-05:00This guy seems to have made some progress with micro-turbines. Video of tethered flight:<BR/><BR/>http://www.youtube.com/watch?v=4lcMHfJoY_MThoughtCriminalhttp://www.blogger.com/profile/11118442743924905296noreply@blogger.comtag:blogger.com,1999:blog-3904461976821332291.post-87893804618631228782008-01-26T12:09:00.000-05:002008-01-26T12:09:00.000-05:002008-01-26T12:09:00.000-05:00The jetpack has some severe limits that writers can ignore but engineers can't.<BR/><BR/>Noise is a severe problem. And no one knows how to reduce it by much. Jet, not rocket, engines had some success but you still don't want to be around them.<BR/><BR/>Jetpacks are very difficult to control. The fliers were trained in tethers for safety and were very careful in demonstrations. <BR/><BR/>Today computers could help with the control problem but only slightly. The weight distribution is simply unstable.<BR/><BR/>The packs could have been used on the moon where there is low gravity and no noise. The gas pollution would have been trivial.Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-3904461976821332291.post-20795904658650415182008-01-24T15:44:00.000-05:002008-01-24T15:44:00.000-05:002008-01-24T15:44:00.000-05:00I remember walking home from school as a little 'un, hitting this big hill and was sure when I thought to myself "don't worry, by high school I'll have a rocket pack and won't have to climb this every day". Still waiting fellas.Kris McCrackenhttp://www.blogger.com/profile/13789355638389350528noreply@blogger.comtag:blogger.com,1999:blog-3904461976821332291.post-34928791294230861972008-01-24T13:19:00.000-05:002008-01-24T13:19:00.000-05:002008-01-24T13:19:00.000-05:00Funny how the technology for jetpacks has basically gone no further than the pack that they demonstrated then in '64.Jack Generichttp://www.blogger.com/profile/17184068193999197490noreply@blogger.comtag:blogger.com,1999:blog-3904461976821332291.post-50527326500844652552008-01-24T10:59:00.000-05:002008-01-24T10:59:00.000-05:002008-01-24T10:59:00.000-05:00It seems that all of these "jet packs" are actually "rocket packs". I wonder if a system that actually used small air-breathing turbo-jets might prove more practical.Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-3904461976821332291.post-78270475985264459142008-01-23T16:44:00.000-05:002008-01-23T16:44:00.000-05:002008-01-23T16:44:00.000-05:00See, they just led us on for decades. I grew up sure I'd be getting around town regularly with a jet pack. And dammit, I still want one!Alannoreply@blogger.comtag:blogger.com,1999:blog-3904461976821332291.post-32797325937757853302008-01-23T06:03:00.000-05:002008-01-23T06:03:00.000-05:002008-01-23T06:03:00.000-05:00Thumbs up for the Jetpack!TimeFliesnoreply@blogger.com