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tricky Regular Location: Canberra Registered: July 2005	Re: Videos and pictures of a running Bourke Engine... Wed, 26 October 2005 01:16 Specific energy : weight figures for hydrogen... This is a fact that cannot be disputed. The volume occupied by hydrogen in free space with the equivalent amount of energy to a given amount of petrol is four times that of petrol. The fact that it weighs half as much doesn't matter if you can't contain it. Along with a distinct lack of platinum, which is required for the PEM's (proton exchange membrane), this is the main restricrtion to fuel cells. This is not insurmountable though. Current hydrogen storage technologies rely on a carbon matrix, whether that be nanotubes or 'fluffy' stuff doesn't really matter as long at it has a high surface area that the hydrogen can stick to (with the aid of a metallic catalyst... Unfortunately platinum is on the cards here... again). The concept of burning hydrogen in a conventional engine takes the wang. What is the point in persisting with internal combustion technology? The efficiency will never exceed 20-30% because you will always be losing a significant amount of heat. As far as waterproofing the engine is concerned. Tell me what you predict the combustion temperatures to be. Now tell me that water will be in a liquid state at that temperature... Oh, and do you have any idea how many of these prototype rotary/orbital engines have floated around in peoples heads? The fact will always remain that they are engineering playthings. The friction will always be an issue, and there is a limit to the quality/resilience of the seals we can produce. Give it a rest. [Report message to a moderator]

	Subject	Poster	Date
	Videos and pictures of a running Bourke Engine...	86tt	Sun, 23 October 2005 19:39
	Re: Videos and pictures of a running Bourke Engine...	spirokeet	Sun, 23 October 2005 21:09
	Re: Videos and pictures of a running Bourke Engine...	86tt	Sun, 23 October 2005 21:19
	Re: Videos and pictures of a running Bourke Engine...	oldcorollas	Mon, 24 October 2005 00:51
	Re: Videos and pictures of a running Bourke Engine...	oldcorollas	Wed, 26 October 2005 14:44
	Re: Videos and pictures of a running Bourke Engine...	oldcorollas	Wed, 26 October 2005 14:45
	Re: Videos and pictures of a running Bourke Engine...	Shraka	Mon, 24 October 2005 02:18
	Re: Videos and pictures of a running Bourke Engine...	Corona RT142	Mon, 24 October 2005 02:25
	Re: Videos and pictures of a running Bourke Engine...	spirokeet	Mon, 24 October 2005 10:00
	Re: Videos and pictures of a running Bourke Engine...	86tt	Mon, 24 October 2005 10:20
	Re: Videos and pictures of a running Bourke Engine...	oldcorollas	Mon, 24 October 2005 13:08
	Re: Videos and pictures of a running Bourke Engine...	86tt	Mon, 24 October 2005 18:39
	Re: Videos and pictures of a running Bourke Engine...	oldcorollas	Tue, 25 October 2005 14:11
	Re: Videos and pictures of a running Bourke Engine...	oldcorollas	Tue, 25 October 2005 14:17
	Re: Videos and pictures of a running Bourke Engine...	b1gb3n	Wed, 26 October 2005 04:35
	Re: Videos and pictures of a running Bourke Engine...	h3ff44	Tue, 25 October 2005 23:40
	Re: Videos and pictures of a running Bourke Engine...	thechuckster	Wed, 26 October 2005 00:12
	Re: Videos and pictures of a running Bourke Engine...	Shraka	Wed, 26 October 2005 00:33
	Re: Videos and pictures of a running Bourke Engine...	thechuckster	Wed, 26 October 2005 01:54
	Re: Videos and pictures of a running Bourke Engine...	oldcorollas	Wed, 26 October 2005 05:09
	Re: Videos and pictures of a running Bourke Engine...	Corona RT142	Wed, 26 October 2005 00:42
	Re: Videos and pictures of a running Bourke Engine...	st184 sillycar	Wed, 26 October 2005 02:28
	Re: Videos and pictures of a running Bourke Engine...	ke382TG	Mon, 24 October 2005 02:28
	Re: Videos and pictures of a running Bourke Engine...	Corona RT142	Mon, 24 October 2005 02:34
	Re: Videos and pictures of a running Bourke Engine...	Shraka	Mon, 24 October 2005 03:05
	Re: Videos and pictures of a running Bourke Engine...	Corona RT142	Mon, 24 October 2005 03:08
	Re: Videos and pictures of a running Bourke Engine...	RWDboy	Tue, 25 October 2005 13:56
	Re: Videos and pictures of a running Bourke Engine...	paulst162	Tue, 25 October 2005 15:18
	Re: Videos and pictures of a running Bourke Engine...	86tt	Tue, 25 October 2005 21:45
	Re: Videos and pictures of a running Bourke Engine...	mynameisrodney	Wed, 26 October 2005 00:50
	Re: Videos and pictures of a running Bourke Engine...	Shraka	Wed, 26 October 2005 00:04
	Re: Videos and pictures of a running Bourke Engine...	Corona RT142	Wed, 26 October 2005 00:08
	Re: Videos and pictures of a running Bourke Engine...	tricky	Wed, 26 October 2005 01:16
	Re: Videos and pictures of a running Bourke Engine...	Corona RT142	Wed, 26 October 2005 01:57
	Re: Videos and pictures of a running Bourke Engine...	thechuckster	Wed, 26 October 2005 02:02
	Re: Videos and pictures of a running Bourke Engine...	oldcorollas	Wed, 26 October 2005 05:17
	Re: Videos and pictures of a running Bourke Engine...	Shraka	Wed, 26 October 2005 02:15
	Re: Videos and pictures of a running Bourke Engine...	oldcorollas	Wed, 26 October 2005 05:34
	Re: Videos and pictures of a running Bourke Engine...	Corona RT142	Wed, 26 October 2005 05:39
	Re: Videos and pictures of a running Bourke Engine...	oldcorollas	Wed, 26 October 2005 05:48
	Re: Videos and pictures of a running Bourke Engine...	Shraka	Wed, 26 October 2005 03:18
	Re: Videos and pictures of a running Bourke Engine...	tricky	Wed, 26 October 2005 04:10
	Re: Videos and pictures of a running Bourke Engine...	Shraka	Wed, 26 October 2005 05:21
	Re: Videos and pictures of a running Bourke Engine...	Corona RT142	Wed, 26 October 2005 05:22
	Re: Videos and pictures of a running Bourke Engine...	oldcorollas	Wed, 26 October 2005 05:45
	Re: Videos and pictures of a running Bourke Engine...	oldcorollas	Wed, 26 October 2005 05:46
	Re: Videos and pictures of a running Bourke Engine...	Corona RT142	Wed, 26 October 2005 05:48
	Re: Videos and pictures of a running Bourke Engine...	Shraka	Wed, 26 October 2005 06:48
	Re: Videos and pictures of a running Bourke Engine...	oldcorollas	Wed, 26 October 2005 11:37
	Re: Videos and pictures of a running Bourke Engine...	86tt	Wed, 26 October 2005 12:56
	Re: Videos and pictures of a running Bourke Engine...	shinybluesteel	Wed, 26 October 2005 13:40
	Re: Videos and pictures of a running Bourke Engine...	oldcorollas	Wed, 26 October 2005 13:54
	Re: Videos and pictures of a running Bourke Engine...	oldcorollas	Wed, 26 October 2005 14:10
	Re: Videos and pictures of a running Bourke Engine...	oldcorollas	Wed, 26 October 2005 14:14
	Re: Videos and pictures of a running Bourke Engine...	86tt	Wed, 26 October 2005 14:35
	Re: Videos and pictures of a running Bourke Engine...	oldcorollas	Wed, 26 October 2005 14:39
	Re: Videos and pictures of a running Bourke Engine...	86tt	Wed, 26 October 2005 14:59
	Re: Videos and pictures of a running Bourke Engine...	oldcorollas	Wed, 26 October 2005 15:15
	Re: Videos and pictures of a running Bourke Engine...	86tt	Wed, 26 October 2005 15:22
	Re: Videos and pictures of a running Bourke Engine...	oldcorollas	Wed, 26 October 2005 15:28
	Re: Videos and pictures of a running Bourke Engine...	oldcorollas	Wed, 26 October 2005 13:51
	Re: Videos and pictures of a running Bourke Engine...	st184 sillycar	Wed, 26 October 2005 06:08
	Re: Videos and pictures of a running Bourke Engine...	Shraka	Wed, 26 October 2005 07:02
	Re: Videos and pictures of a running Bourke Engine...	thechuckster	Wed, 26 October 2005 07:14
	Re: Videos and pictures of a running Bourke Engine...	Shraka	Wed, 26 October 2005 23:56
	Re: Videos and pictures of a running Bourke Engine...	oldcorollas	Thu, 27 October 2005 00:02
	Re: Videos and pictures of a running Bourke Engine...	86tt	Thu, 27 October 2005 00:39
	Re: Videos and pictures of a running Bourke Engine...	oldcorollas	Thu, 27 October 2005 02:40
	Re: Videos and pictures of a running Bourke Engine...	86tt	Thu, 27 October 2005 02:49
	Re: Videos and pictures of a running Bourke Engine...	oldcorollas	Thu, 27 October 2005 03:57
	Re: Videos and pictures of a running Bourke Engine...	oldcorollas	Thu, 27 October 2005 03:43
	Re: Videos and pictures of a running Bourke Engine...	86tt	Thu, 27 October 2005 04:10
	Re: Videos and pictures of a running Bourke Engine...	Corona RT142	Thu, 27 October 2005 04:20
	Re: Videos and pictures of a running Bourke Engine...	oldcorollas	Thu, 27 October 2005 04:52
	Re: Videos and pictures of a running Bourke Engine...	lumpy	Thu, 27 October 2005 05:59
	Re: Videos and pictures of a running Bourke Engine...	Shraka	Thu, 27 October 2005 05:17
	Re: Videos and pictures of a running Bourke Engine...	Shraka	Wed, 26 October 2005 07:26
	Re: Videos and pictures of a running Bourke Engine...	h3ff44	Wed, 26 October 2005 08:42
	Re: Videos and pictures of a running Bourke Engine...	river	Wed, 26 October 2005 10:31
	Re: Videos and pictures of a running Bourke Engine...	Corona RT142	Wed, 26 October 2005 10:33
	Re: Videos and pictures of a running Bourke Engine...	oldcorollas	Wed, 26 October 2005 11:32
	Re: Videos and pictures of a running Bourke Engine...	lumpy	Thu, 27 October 2005 00:01
	Re: Videos and pictures of a running Bourke Engine...	Corona RT142	Thu, 27 October 2005 00:30
	Re: Videos and pictures of a running Bourke Engine...	Shraka	Thu, 27 October 2005 00:48
	Re: Videos and pictures of a running Bourke Engine...	river	Wed, 26 October 2005 11:01
	Re: Videos and pictures of a running Bourke Engine...	oldcorollas	Wed, 26 October 2005 15:03
	Re: Videos and pictures of a running Bourke Engine...	RWDboy	Wed, 26 October 2005 15:11
	Re: Videos and pictures of a running Bourke Engine...	Yian	Wed, 26 October 2005 15:12
	Re: Videos and pictures of a running Bourke Engine...	RWDboy	Wed, 26 October 2005 15:26
	Re: Videos and pictures of a running Bourke Engine...	spirokeet	Wed, 26 October 2005 21:24
	Re: Videos and pictures of a running Bourke Engine...	86tt	Wed, 26 October 2005 21:35
	Re: Videos and pictures of a running Bourke Engine...	lumpy	Thu, 27 October 2005 01:59
	Re: Videos and pictures of a running Bourke Engine...	cannonball	Thu, 27 October 2005 02:49
	Re: Videos and pictures of a running Bourke Engine...	86tt	Thu, 27 October 2005 03:13
	Re: Videos and pictures of a running Bourke Engine...	Corona RT142	Thu, 27 October 2005 03:13
	Re: Videos and pictures of a running Bourke Engine...	cannonball	Thu, 27 October 2005 03:20
	Re: Videos and pictures of a running Bourke Engine...	st184 sillycar	Thu, 27 October 2005 05:25
	Re: Videos and pictures of a running Bourke Engine...	st184 sillycar	Thu, 27 October 2005 06:10
	Re: Videos and pictures of a running Bourke Engine...	kingmick	Thu, 27 October 2005 08:56
	Re: Videos and pictures of a running Bourke Engine...	river	Thu, 27 October 2005 10:59
	Re: Videos and pictures of a running Bourke Engine...	draven	Thu, 27 October 2005 11:12
	Re: Videos and pictures of a running Bourke Engine...	ed_ma61	Thu, 27 October 2005 11:34
	Re: Videos and pictures of a running Bourke Engine...	draven	Thu, 27 October 2005 12:54
	Re: Videos and pictures of a running Bourke Engine...	river	Thu, 27 October 2005 11:39
	Re: Videos and pictures of a running Bourke Engine...	Shraka	Fri, 28 October 2005 00:24
	Re: Videos and pictures of a running Bourke Engine...	river	Fri, 28 October 2005 00:34

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