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	Pykrete - - AdWiki - Wikipedia, the free encyclopedia
		Pykrete has some interesting properties, notably its relatively slow melting rate (due to low thermal conductivity), and its vastly improved strength and toughness over pure ice, actually closer to concrete, while still being able to float on water.
		Blocks of Pykrete were attacked with various explosives and it was found that a charge corresponding to a torpedo warhead would have made only a minor dent in the planned Habbakuk carrier.
		Pykrete has a crush resistance of greater than 21 megapascals (3,000 psi) so a 25 mm (1 in) column could support the weight of a typical car.
	www.wikipedia.net.pl /en/wiki/Pykrete.html (821 words)

	Tablet PC hep! [0921-1107]: Friday, October 15, 2004
		Pykrete is a composite material made of 14% wood pulp and ice, invented by Geoffrey Nathaniel Pyke and proposed during World War II to the Royal Navy as a candidate material for making a huge, unsinkable aircraft carrier (Project Habbakuk), actually more of a floating island than a ship in the traditional sense.
		Pykrete has some interesting properties, notably its relatively slow melting rate (due to low thermal conductivity), and its vastly improved strength and toughness over pure ice, actually closer to concrete.
		Pykrete is slightly harder to form than concrete, as it expands whilst freezing, but can be repaired and maintained from the sea's most abundant raw material.
	www.iggysoft.com /blogger_archives/2004_10_15_archive_main_blog_sep21_toNov7.html (1085 words)

	Pykrete - Encyclopedia, History, Geography and Biography
		Pykrete has some interesting properties, notably its relatively slow melting rate (due to low thermal conductivity), and its vastly improved strength and toughness over pure ice, actually closer to concrete.
		Pykrete is slightly harder to form than concrete, as it expands while freezing, but can be repaired and maintained from the sea's most abundant raw material.
		Pykrete has a crush resistance of greater than 3,000 pounds per square inch (21 MPa) so a one-inch (25 mm) column could support the weight of a typical car.
	www.arikah.com /encyclopedia/Pykrete (609 words)

	Pykrete - Biocrawler (Site not responding. Last check: )
		Finally, he fired at the Pykrete to give an idea of the resistance of that kind of ice to projectiles.
		Pykrete has a crush resistance of greater that 3,000 pounds per square inch (21 MPa) so a one-inch (25 mm) column could support the weight of a typical car.
		If a.303 inch caliber bullet is fired at the pykrete, it will penetrate only 6.5 inches (16.5 cm).
	www.biocrawler.com /encyclopedia/Pykrete (508 words)

	Pykrete - The Wordbook Encyclopedia
		Pykrete has some interesting properties, notably its relatively slow melting rate (due to low thermal conductivity), and its vastly improved strength and toughness over pure ice, actually closer to concrete, while still being able to float on water.
		New concepts for pykrete however occasionally crop up among architects, engineers and futurists, usually regarding its potential for mammoth offshore construction or its improvement by applying super-strong materials such as synthetic composites or kevlar.
		Pykrete has a crush resistance of greater than 21 megapascals (3,000 psi) so a 25 mm (1 in) column could support the weight of a typical car.
	www.thewordbook.com /Pykrete (630 words)

	Pykrete
		Both the pykrete and ice were frozen in 1 gallon milk jugs for one week.
		During WWII Pykrete was going to be our secret weapon -- boats made of ice and sawdust that don't melt and don't sink.
		Placed 1 cup pykrete in a baggie and 1 cup Rubbermaid Blue Ice in a one-cup bag (as sold) on a sheet of plastic on my dining table, and stuck a thermometer under each of them.
	www.simegen.com /writers/lois/pykrete.htm (1167 words)

	Jon Schull's Weblog
		Pykrete is a super-ice, strengthened tremendously by mixing in wood pulp as it freezes.
		But as strong and eco-friendly as it is, pykrete remains forgotten today save among glaciologists, who express bafflement over why no one has made use of it.
		Pykrete is the namesake of Geoffrey Pyke, who the Times of London once declared "one of the most original if unrecognized figures of the present century."
	radio.weblogs.com /0104369/2003/07/01.html (219 words)

	Pykrete information - Search.com
		Pykrete has some interesting properties, notably its relatively slow melting rate (due to low thermal conductivity), and its vastly improved strength and toughness over unmodified (crystalline) ice, actually closer to concrete.
		Pykrete is slightly more difficult to form than concrete, as it expands during the freezing process, but can be repaired and maintained from the sea's most abundant raw material.
		The durability of Pykrete is up for debate, but it is often asserted that Pykrete has a crush resistance of greater than 3,000 pounds per square inch (21 MPa) so a one-inch (25 mm) column could support the weight of a typical car.
	domainhelp.search.com /reference/Pykrete (877 words)

	Re: Pykrete ( 3149 )
		Pykrete is an interesting substance, but a poor choice for building floating cities.
		Pykrete requires fresh (not salt) water and sawdust (both precious commodities on a floating city), as well as a constant supply of energy.
		Pykrete is not structurally sound enough to build on today's oceans.
	www.freeread.com /archives/3149.php (867 words)

	Project Tentacle
		The Habakkuk was imagined to be virtually unsinkable as it would have effectively been a streamlined iceberg or floating island kept afloat by the buoyancy of its construction materials, and to be highly resilient to damage by virtue of its sheer bulk.
		At the Quebec Conference of 1943 Lord Mountbatten brought a block of Pykrete along to demonstrate its potential to the bevy of admirals and generals who had come along with Winston Churchill and Franklin D. Roosevelt.
		Pykrete, created by and named for Geoffrey Pike, is a mixture of ice and (usually) sawdust.
	www.secretprojects.co.uk /forum/index.php/topic,1719.0.html (1082 words)

	Pykrete
		Pykrete is a composite material made of approximately 14 percent sawdust or some other form of wood pulp (such as paper) and 86 percent ice by weight.
		Blocks of Pykrete were attacked with various explosives and it was found that a charge corresponding to a torpedo warhead would have made only a minor dent in the planned Habakkuk carrier.
		The durability of Pykrete is up for debate, but it is often asserted that Pykrete has a crush resistance of greater than 3,000 pounds per square inch (21 MPa) so a 25 mm (1 inch) column could support the weight of a typical car.
	www.dejavu.org /cgi-bin/get.cgi?ver=93&url=http%3A%2F%2Farticles.gourt.com%2F%3Farticle%3Dpykrete%26type%3Den (0 words)

	Pykrete
		At the Quebec Conference of 1943 Mountbatten brought a block of Pykrete along to demonstrate its potential to the bevy of admirals and generals who had come along with Winston Churchill and Franklin Delano RooseveltFranklin D. Roosevelt.
		Pykrete has a crush resistance of greater than 3,000 pounds per square inch (21 MPa) so a one-inch (25 mm) column could support the weight of a typical automobilecar.
		The United States and Canada were so impressed with the idea of assembling pykrete warships that a 60-foot-long, 1,000-ton pykrete ship was built in one month on a Canadian lake and never melted through the hot summer.
	www.territoriopc.com /eng/pykrete.php (494 words)

	Welcome to Project: San Bao
		The entire structure is held together with a geodesic pressure vessel of space-tree limbs and pykrete plugs.
		Pykrete is a mixture of wood chips and water with properties similiar to reinforced concrete.
		Solid ings of trees, slag and pykrete could be planted to form the living coping around craters, for doming them with plastics undreamt of today.
	www.projectsanbao.com /worldtree.html (641 words)

	The Combat Report - The Amazing Story of Habakkuk
		Pykrete was a very slow melting substance, but refrigeration coils embedded in the ice would ensure that the proper freezing temperature would be maintained.
		The outer hull could also be sheathed, but one of the properties of Pykrete was that it formed its own outer rough surface that protected it from further deterioration.
		So Pykrete was proven a success and the Allies were moved to recommend that a vessel be constructed.
	www.thecombatreport.com /index.php?option=com_content&task=view&id=291&Itemid=91 (2626 words)

	Definition of Pykrete
		Pykrete is a composite material made of 14% wood pulp and ice, invented by Max Perutz and proposed during World War II by Geoffrey Pyke to the Royal Navy as a candidate material for making a huge, unsinkable aircraft carrier, Project Habbakuk, actually more of a floating island than a ship in the traditional sense.
		As a bit of fun, Pykrete can easily be made in small quantities by shredding bathroom tissue in water (or you can use sawdust) and moulding it in, say, an ice cube tray.
		Pykrete has a crush resistance of greater that 3,000 pounds per square inch.
	www.wordiq.com /definition/Pykrete (593 words)

	50
		It would have carried up to 1000 aircraft, perhaps 20,000 to 50,000 men and allowed projection of massive air /sea power in total control over the local skies and this force could be brought to the enemy homeland.
		The last can be “filled” with vacuum of very low-pressure gas to give a very high insulation value (low thermal conductivity), while the foam bubbles in a continuous silicate matrix should in theory at least be substantially stronger.
		The Pykrete strength came largely from the ice with “holes” in the ice matrix, that disrupted transmission of cracks in the ice, so either of the silicate structures should do that.
	www.nexialinstitute.com /SpaceMtl.htm (722 words)

	Geoffrey Pyke
		The hull was to be made of 'Pykrete, a mixture of water and wood pulp frozen solid, which was stronger than ice, more stable and less inclined to melt.
		A ship made from Pykrete would be virtually unsinkable (why didn't they think of that when they were building the Titanic!), a torpedo would only make a slight dent in the side that was quickly repaired.
		The block of ice was shattered with a single blow, but when the axe was brought down on the block of Pykrete the general let out a yelp of pain as his arms were nearly jarred out of their sockets.
	ourworld.compuserve.com /homepages/pete_hall_uk/pyke.htm (1140 words)

	Pykrete - Article from FactBug.org - the fast Wikipedia mirror site
		Blocks of Pykrete were attacked with various explosives and it was found that a charge corresponding to a torpedo warhead would have made only a minor dent in the planned Habakkuk carrier.
		Then fired at the Pykrete to give an idea of the resistance of this kind of ice to projectiles.
		Pykrete has a crush resistance of greater that 3,000 pounds per square inch, so a one-inch column could support the weight of a typical car.
	www.factbug.org /cgi-bin/a.cgi?a=340782 (445 words)

	News \| TimesDaily.com \| TimesDaily \| Florence, Alabama (AL)
		The Habakkuk was imagined to be virtually unsinkable as it would have effectively been a streamlined iceberg or floating island kept afloat by the buoyancy of its construction materials, and to be highly resilient to damage by virtue of its sheer bulk.
		At the Quebec Conference of 1943 Lord Mountbatten brought a block of Pykrete along to demonstrate its potential to the bevy of admirals and generals who had come along with Winston Churchill and Franklin D. Roosevelt.
		Experiments on ice and pykrete as construction materials were carried out at Lake Louise, Alberta, and a small prototype was constructed at Patricia Lake, Alberta, measuring only 60 feet by 30 feet (18 by 9 m), weighing in at 1,000 tons and kept frozen by a one-horsepower motor.
	www.timesdaily.com /apps/pbcs.dll/section?category=NEWS&template=wiki&text=Project_Habakkuk (820 words)

	'Pykrete'
		Another misunderstanding that ought to be squelched is that Pykrete was used in the Lake Patricia pilot project in the Canadian Rockies.
		So the idea that it was Pykrete that made it "last through the summer" is pure nonsense.
		I could hit a piece of Pykrete fairly hard with a hammer and it might or might not split, but it never shattered.
	jwgibbs.cchem.berkeley.edu /CFGoodeve/pykrete.html (1522 words)

	Project Habakkuk@Everything2.com
		The substance that resulted from this mixing of ice and wood pulp was called 'Pykrete', after its creator Geoffrey Pyke.
		But when he swung at the pykrete the axe merely bounced off the substance and the General had what is known as a "stinger" in his arms and hands.
		He then shot at the pykrete and the bullet ricocheted and nicked a senior American admiral.
	everything2.com /index.pl?node_id=1323767 (830 words)

	MySpace.com - pykrete - Oakland, California - Other - www.myspace.com/pykrete
		pykrete's Latest Blog Entry [Subscribe to this Blog]
		Southern Man + Pykrete CD available from Fusetron, Mimaroglu...
		I was told that "crack" is kiwi slang for conversation by someone who went to New Zealand.
	www.myspace.com /pykrete (113 words)

	Pykrete Body Armor - cheap ballistic armor for winter - Total War Center Forums
		You could freeze inch-thick slabs of Pykrete using nothing more than wood mulch and water, then insert them into pockets on the outside of your winter clothing, giving you what amounts to frozen bullet-proof armor.
		During the cold months of winter you wouldn't need to worry about it melting since it would be on the outside of your clothing and it has a much lower thermal conductivity than regular ice does.
		The only problem would be weight, and since Pykrete is actually lighter than water it probably wouldn't weigh significantly more than modern ballistic armor.
	www.twcenter.net /forums/showthread.php?t=66061&goto=lastpost (360 words)

	one more stuff to do (Site not responding. Last check: )
		Pykrete is Chuck Johnson making a lot of godawful noise on electronic gizmos.
		You may come away from that show thinking that Chuck is pissed off all the time or maybe just mentally unbalanced, and not in a fun way.
		You will be so touched that you will burn your Pykrete CD and start listening to Joni Mitchell, Doris Day, and the Care Bears (do they have an album?).
	lists.ibiblio.org /pipermail/ch-scene/2005-February/003348.html (215 words)

	Spinneyhead
		Pykrete is made by mixing water and sawdust or wood pulp and then freezing it.
		The number of Pykrete resources on the web have increased since my first posts about the stuff in relation to Heavensent.
		Cabinet magazine fills out some biographical details of Pyke in their overview of the project, the story has been adapted for kids' science TV, there's been a radio play about it (I haven't read the full text yet) and the Guardian has the obituary of Max Perutz, who also worked on the project.
	www.spinneyhead.co.uk /labels/Pykrete.php (1008 words)

	Perutz on Pykrete
		In his introduction he makes clear that the original idea was to carve either an arctic iceberg or an ice floe into a suitable shape to provide a runway and hangar space for planes.
		Pykrete — discovered originally by Hermann Mark and Walter Hohenstein at Brooklyn Poly — improved on this considerably.
		Overall, the properties of Pykrete were thought to be adequate to embark on the design of a bergship.
	jwgibbs.cchem.berkeley.edu /CFGoodeve/bergship.html (954 words)

	Braingle: 'Ice Boat' Brain Teaser
		If a ship were made of pykrete, it would be unsinkable; torpedoes could hit it and do little damage.
		Pykrete has a crush resistance of greater that 3,000 pounds per square inch.
		The United States and Canada were so impressed with the idea of assembling pykrete warships that a 60-foot-long, 1,000-ton pykrete ship was built in one month on a Canadian lake and never melted through the hot summer.
	www.braingle.com /brainteasers/8004/ice-boat.html (267 words)

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