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how two-stroke engines work
2:14
A car engine uses a four-stroke cycle -- how can two strokes accomplish the same tasks? Learn all about the two-stroke engine, where it's used and how it compares to a four-stroke.
タグ:howto two stroke
投稿日: March 10, 2007, 7:04 am
閲覧数: 190783
投票: 4.80(５点満点) 225 人の平均
jet engines backyard - エピソード 1
9:37
In 1986 two school friends made a simple backyard jet, this was the start of a life long world wide hobby. Today jet builders around the world can easily see each others efforts in creating backyard jet chaos. A sure fire way to really make friends with neighbours, even ones streets away. Episode 2 is now available and a invitation is posted on that video for a oppunity to be involved in episode 3. Jet builders and collectors around the world will enjoy this video, and hopefully inspire others to take up the Backyard Jet hobby.
タグ:gas turbine jet engine jets rolls
投稿日: February 3, 2007, 11:46 pm
閲覧数: 117988
投票: 4.90(５点満点) 158 人の平均
sims 141 - search, google, and life: sergey brin - google
39:51
Search Engines: Technology, Society, and Business. The World Wide Web brings much of the world's knowledge into the reach of nearly everyone with a computer and an internet connection. The availability of huge quantities of information at our fingertips is transforming government, business, and many other aspects of society. Topics include search advertising and auctions, search and privacy, search ranking, internationalization, anti-spam efforts, local search, peer-to-peer search, and search of blogs and online communities. The Instructor, Dr. Marti Hearst, is an associate professor in the School of Information at UC Berkeley, with an affiliate appointment in the Computer Science Division. The UC...
タグ:google terrorstorm sergey brin education sims
投稿日: August 21, 2007, 3:36 pm
閲覧数: 190392
投票: 4.60(５点満点) 264 人の平均
awesome engines 540ci blown pro magnum bbc dyno pull
5:21
タグ:blown racing dyno awesome drag
投稿日: October 20, 2006, 11:11 pm
閲覧数: 260082
投票: 4.50(５点満点) 195 人の平均
experimental rotary engines: model 32
4:02
This follow-up to my previous videos summarizes the current design for the benefit of those that are experimenting with Model 30 based engines. Model 32 is not yet finished but most of the mechanics are in place. It's been dry run & tested for compression, friction & wear. Performance so far is superior to Model 30. Completing the control electronics & firmware will require more time. Model 32 is similar to Model 30 (previous videos) except that: the rotors are steel lined with graphite; the vanes pivot (rather than slide); vane engagement is electronically controlled; seals, accuracy & fit are improved; parts count & reciprocating masses are reduced; rotor phase angle is adjustable to provide expansion ratios approaching 30:1; compression ratios are adequate for burning vegetable/diesel oil using direct fuel injection; the Lexan cover is replaced by a dimensionally more stable aluminum reinforced plate glass. Fins will be routed into the exterior body as needed for cooling. I should finish evaluating Model 32 by fall '07. The next design (Model 33) inherits much from Model 32, except that it uses 1 rotor & 2 vanes. The purpose of this open source program is to develop more fuel efficient ICE's capable of operating on a variety of fuels for the benefit of our environment, our economy & our future. This material is offered freely in the hope that it may be useful & inspiring to tinkerers world-wide wishing to improve Internal Combustion Engine technology. -Dave
タグ:internal combustion engine alternative energy fuel
投稿日: May 23, 2007, 1:42 pm
閲覧数: 136394
投票: 4.80(５点満点) 100 人の平均
500lb thrust twin engine pulsejet ショー car; engines for sale
5:34
Robert Maddox of Medford Oregon is the worlds top designer builder of pulsejet engines, engines from 8 lb of thrust to 1800lb of thrust, engines run on kerosene.
タグ:thrust show car cool go kart
投稿日: January 4, 2008, 9:22 am
閲覧数: 111977
投票: 4.50(５点満点) 57 人の平均
skydiving wingsuit with jet engines
3:01
This clip shows a man who attaches engines to his legs and then jumps out of a hot air balloon wearing a wingsuit. He manages to achieve 30 seconds of horizontal flight without loosing any altitude (allegedly)
タグ:skydiving base jumping skateboarding extreme parachuting
投稿日: November 1, 2006, 4:35 pm
閲覧数: 355514
投票: 4.80(５点満点) 483 人の平均
stirling engines - solve energy needs?
7:05
KCET, Public TV in LA ran this story about "Stirling Engine" powered solar electric generating technology. If true, we may be able to kiss nuclear power plants good bye.
タグ:stirling engine solar power sce southern
投稿日: June 13, 2007, 6:11 pm
閲覧数: 48810
投票: 4.80(５点満点) 73 人の平均
jet engines backyard - エピソード 2
7:20
Episode 2 of a video which focuses on homebuilt and garage gas turbine / jet engines. Karls Rolls Royce Derwent is now mounted to a truck, a custom built starting panel now makes the engine easy to manage, again we see how impressive the Derwent is at idle and then full power. We then move onto one of todays younger jet builders, built from infomation gathered on the internet, this engine displays all the hallmarks of good backyard jet design. A invitation is detailed at the end of the video for people interested in being part of episode 3, a sort of twisted competition for those who like a little jet in their life.
タグ:gas turbine jet engine flames truck
投稿日: December 29, 2007, 10:17 pm
閲覧数: 86018
投票: 4.80(５点満点) 82 人の平均
mamod steam engines how its made
4:58
http://www.ministeam.com The Great Toy Steam Company LLC Discovery Channel Mamod Steam Engines How Its Made
タグ:mamod steam how its made
投稿日: December 4, 2007, 10:26 am
閲覧数: 24187
投票: 4.30(５点満点) 35 人の平均
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