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Topic: Block and tackle


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  Block and Tackle - nautical supply shop gifts
A block and tackle is an arrangement of rope and pulleys that allows you to trade force for distance.
The block and tackle pulley was invented by Archimedes.
The block and tackle were and are instrumental on sailing ships to rig the sails as well as to manually load cargo.
www.nauticalsupplyshop.com /nautical-gifts/block.html   (201 words)

  
  Block and tackle - Wikipedia, the free encyclopedia
A block and tackle (pronounced "block and take-el") is a system of two or more pulleys with a rope or cable threaded between them, usually used to lift or pull heavy loads.
The increased force produced by a block and tackle is offset by the increased length of rope needed.
In order to raise a block and tackle with a mechanical advantage of 6 a distance of 1 metre, it is necessary to pull 6 metres of rope through the blocks.
en.wikipedia.org /wiki/Block_and_tackle   (274 words)

  
 BTM_Block_Tackle   (Site not responding. Last check: 2007-11-03)
A Block and Tackle system gives you a mechanical advantage by distributing the weight, or load, of the object along the length of the line.
Block and tackle systems are not only a must for such jobs as loading cargo and supplies, lowering and recovering long boats, and hoisting the bosun's chair up the mast, but essential for raising, bracing, and lowering of the sails.
When raising the chair, sail, or barrel, although the block and tackle system decreases the force needed to move the object up, it increases the amount of line that must be pulled through the blocks.
www.ocean-institute.org /edu_programs/materials/P/Equ/E_FG/BTM_Block.htm   (431 words)

  
 Football Block Tackle Technique
The football block tackle technique is an essential skill, because any team must be able to win the ball.
The block tackle starts by planting the non-tackling foot firmly on the ground to provide a firm anchor.
The inside of the foot is used for tackling, not the toe, and it's important to put the full weight of the body behind the football, and to get the head down over the ball.
www.mastersport.co.uk /blocktackle.htm   (224 words)

  
 Block & Tackle 1.2   (Site not responding. Last check: 2007-11-03)
Block & Tackle provides a first line of defense against viruses and spam (Junk email) by blocking messages based on phrases in the subject line and/or body, and by deleting unwanted attachments based on file type.
Block & Tackle includes an initial list of over 16,000 body phrases and over 4000 subject line phrases to block by.
Block & Tackle can also provide a feedback message to the sender when a message is blocked or an attachment deleted.
www.digibuy.com /cgi-bin/product.html?103543173947   (287 words)

  
 Block and tackle - Simple Machines | Field Trips + Pathways | Ann Arbor Hands-On Museum   (Site not responding. Last check: 2007-11-03)
Students build their own block and tackle as they learn to determine friction, mechanical advantage ratio and the force needed to raise a set weight.
A block and tackle is an arrangement of pulleys that multiplies force and divides Block and Tackle could have been replaced with Defence and Offence.
Block and Tackle:, A block and tackle is a simple machine made up of more Review the “Pulley Power” activity, specifically the block and tackle section.
accountdir.com /ad/block-and-tackle.html   (469 words)

  
 share*it! - A service of Digital River - Block and Tackle -
Block & Tackle provides a first line of defense against viruses and UCE (unsolicited commercial email, also known as Spam) by deleting unwanted types of email attachments and by deleting entire emails that contain unwanted phrases in their subject lines.
B&T can be configured to block attachments in one of two ways: either choose the file types you DO want to allow, or choose the file types you DON'T want.
Block & Tackle is not required on "back end" servers that do not receive Internet email.
www.shareit.com /affiliate.html?affiliateid=71975&publisherid=30661&target=http://www.shareit.com/product.html?productid=171284&language=English&affiliateid=71975   (295 words)

  
 Issue of November 24, 2002
The confusion amongst your co-workers about "block and tackle" is due to the fact that there are several meanings to each of the words "block" and "tackle" themselves.
The "block" of "block and tackle," an apparatus of pulleys and ropes used to lift heavy objects, refers to the bulky housings, often made of wood in the past, of the pulleys themselves.
"Block" in the sense of "obstruction" (as well as the verb "to block" meaning "to obstruct") is derived from the use of blocks of wood to immobilize an object, as in "blocking" the wheels of a wagon to keep it from rolling away.
www.word-detective.com /112402.html   (5288 words)

  
 Block & Tackle
Block & Tackle is a football themed CD-ROM and it comes with 3 programs: Tom Landry Strategy Football (a game), Fantasy Football (a rotisserie football manager), and Pro Football Stat-Master (a real team stats database).
The CD installs easily, just don't expect to install Block & Tackle and run the programs off the CD - everything is shoveled onto your hard drive, including the manuals which, in the case of the non-game programs, can get pretty complicated.
The other two programs on Block & Tackle are similarly unimpressive and, due to their limited appeal, barely warrant mention.
www.worldvillage.com /wv/gamezone/html/reviews/block.htm   (900 words)

  
 Lego Block & Tackle   (Site not responding. Last check: 2007-11-03)
Of all the various mechanisms, such as the wedge, the lever, the gear (etc) the one we hardly ever see is 'Block and Tackle'.
Shown left is an example of a Block and Tackle mechanism.
The fixed block (of two pulleys) and the moving block (also of two pulleys) are kept apart by two spring assemblies.
www3.sympatico.ca /jdkalpin/lego.htm   (235 words)

  
 Block and Tackle Mechanical Advantage   (Site not responding. Last check: 2007-11-03)
A block and tackle multiplies the force applied to an object because the tension in a non-stretching rope is the same in every part of it.
Now suppose we attach a single pulley to the ring in the block and pass the rope through it to fasten the far end to a beam overhead.
We could increase the mechanical advantage by adding additional pulleys to the block and using other pulleys attached to the overhead beam just to reverse the direction of the rope for the next pass through the working end pulleys.
www.mcasco.com /qa_batma.html   (627 words)

  
 TurboGeeks - THE source for Microsoft Exchange enhancements!
Block & Tackle also has the ability to send an unaltered copy of the original message to a backup mailbox for later retrieval.
Block & Tackle is enhances the Windows / Exchange 2000 / 2003 SMTP engine by analyzing messages that pass through it and deleting unwanted messages and/or attachments.
Block & Tackle also includes the ability to forward unaltered versions of blocked or modified messages to a quarantine mailbox or public folder for later analysis or recovery.
turbogeeks.com /products/blocktackle.asp   (1152 words)

  
 Block And Tackle - Dr. Fishing's Best Block And Tackle Resources   (Site not responding. Last check: 2007-11-03)
This also allows the defender to poke tackle with the foot closest to the ball, turn and block tackle with the foot farthest from the ball and if the attacker pushes the ball past the defender and...
Optional Block and Tackle pulleys allow the child to be raised or lowered as needed.
Block and Tackle Rigging This old time skill saves the customer money that otherwise would be spent...
www.drfishing.com /blockandtackle   (1229 words)

  
 Factsheet: Block and Tackle   (Site not responding. Last check: 2007-11-03)
If you have ever looked at the end of a crane, or if you have ever used an engine hoist or a come-along, or if you have ever looked at the rigging on a sailboat, then you have seen a block and tackle at work.
A block and tackle is an arrangement of rope and pulleys that allows you to trade force for distance.
A block and tackle can contain as many pulleys as you like, although at some point the amount of friction in the pulley shafts begins to become a significant source of resistance.
myweb.tiscali.co.uk /stlukesfriday/izone/piofs/blockandtackle.htm   (477 words)

  
 The Busy Shore: Block and Tackle   (Site not responding. Last check: 2007-11-03)
One of the oldest and simplest machines is the block and its tackle, an idea of such wonderfully spare reason that it seems magical, running uphill against the stream of nature.
A luff tackle with a tail sinnet instead of a hook is called a HANDY BILLY, and is used for many jobs aboardship, especially for setting lines taut.
The block is stropped with a rope grommet made from a single ropestrand relaid into itself.
www.motherearthnews.com /DIY/1973_May_June/The_Busy_Shore__Block_and_Tackle   (950 words)

  
 Block And Tackle :: Pollard, Iwuchukwu on the rise
Block And Tackle :: Pollard, Iwuchukwu on the rise
Though it was a field goal that ultimately resulted in the difference in the outcome, Pollard was in line to be the hero for the Boilermakers with a field goal block of Garrett Rivas' 32-yard field goal attempt with 10:08 left in the fourth quarter.
Iwuchukwu, who blocked a 41-yard field goal attempt by Mike Nugent at Ohio State in 2003 as time expired to send the game into overtime, now has had a hand in at least five career blocked field goal attempts.
purduesports.collegesports.com /sports/m-footbl/spec-rel/102504aaa.html   (352 words)

  
 TurboGeeks - Exchange Catchall, AntiSpam and custom enhancements!
Block & Tackle also has the ability to send an unaltered copy of the original message to a backup mailbox for later retrieval.
Block & Tackle is enhances the Windows / Exchange 2000 / 2003 SMTP engine by analyzing messages that pass through it and deleting unwanted messages and/or attachments.
Block & Tackle also includes the ability to forward unaltered versions of blocked or modified messages to a quarantine mailbox or public folder for later analysis or recovery.
www.turbogeeks.com /products/blocktackle.asp   (1152 words)

  
 Fishing Smart > Fishing > Block And Tackle
Block and Tackle: Converging SAN and NAS to Centralize Data Management.
BLOCK and TACKLE A block and tackle is an arrangement
Block and tackle definition of Block and tackle.
www.fishingsmart.com /blockandtackle   (1101 words)

  
 Amesbury Group BSI-Balance Systems - Block and Tackle   (Site not responding. Last check: 2007-11-03)
Block & Tackle balances are designed for ease of installation, operation and removal.
A complete range of Block & Tackle balances provides premium performance, inventory reduction, reduced manufacturing costs, and durability for the new and replacement window markets.
This innovative Block & Tackle balance and shoe design allows a simple 1-2-3 installation BSI used the same time-proven technology as our tilt system while eliminating the hidden costs of painted channels and balance covers.
www.amesbury.com /bsi_BlockAndTackle.asp   (180 words)

  
 block and tackle on Encyclopedia.com   (Site not responding. Last check: 2007-11-03)
BLOCK AND TACKLE [block and tackle] see pulley.
EAST RUTHERFORD, NJ -- Minnesota Vikings defensive tackle Kevin Williams blocks a pass by New York Giants quarteback Eli Manning in the fourth quarter.
Aaron Smith #91 of the Pittsburgh Steelers rushes quarterback Steve McNair #9 of the Tennessee Titans as tackle Jacob Bell #60 attempts to block on September 11, 2005 at Heinz Field in Pittsburgh, Pennsylvania.
www.encyclopedia.com /html/X/X-blockN1ta.asp   (851 words)

  
 BLOCK AND TACKLE
Now, using the large Nut as your resistance (Do not use the Rubber band scale for this) with your two foot metric PVC pipe in back of the block and tackle, pull straight down on the twine, so that both or all the sides of the twine are parallel.
Which combination of block and tackle has the greater M. Draw a combination of pulleys, where the M. is equal to (1).
In a pulley system, an effort of 70 pounds is used to lift an unknown resistance a distance of 6 feet, when the effort moves a distance of 24 feet.
users.snip.net /~veraandscience/Work/Block_and_tackle.html   (633 words)

  
 Block and tackle
Hook the second block onto your basket so that it is upside down.
Untie the piece of string from the basket and tie it to the top of your first block.
Then, thread the string, which is known as a tackle, around the spools.
workforce.cup.edu /cignetti/Block_and_Tackle.htm   (429 words)

  
 Block and Tackle
Block and tackle are used for applying tension to
block and tackle, divide the weight by the number of
The block and tackle, as shown in figure 4-41, is called a
www.tpub.com /content/construction/14026/css/14026_111.htm   (229 words)

  
 Rijdat Software - Block & Tackle   (Site not responding. Last check: 2007-11-03)
Block and Tackle is a simple Napoleonic naval strategy game based on the ships and equipment available around the time of the battle of Trafalgar.
Block and Tackle is Freeware and is best played by two players.
Block and Tackle 68k is for 68k Macs
www.rijdatsoft.freeserve.co.uk /B&T.html   (113 words)

  
 JS Online: Block and tackle
The highlight of the event, which will be televised statewide, will be the 40-play scrimmage that will include the dangerous but necessary element of fully live tackling.
The scrimmage will be divided into four 10-play segments, each of which will begin either 60 or 65 yards from the end zone.
It will be followed by a red-zone segment of hard hitting but no tackling.
www.jsonline.com /packer/news/jul00/packsid29072800.asp?format=print   (572 words)

  
 Block and Tackle Free Download Block and Tackle
Block and Tackle provides a first line of defense against viruses and UCE (unsolicited commercial email, also known as Spam) by deleting unwanted types of email attachments and by deleting entire emails that contain unwanted phrases in their subject lines.
BandT can be configured to block attachments in one of two ways: either choose the file types you DO want to allow, or choose the file types you DON'T want.
Block and Tackle is not required on "back end" servers that do not receive Internet email.
www.aptrio.com /Multimedia/Illustration/block-and-tackle-8066.html   (598 words)

  
 Block and tackle - smh.com.au
Or, perhaps they're already using a laptop in their bedroom, the family machine in the lounge, are borrowing Mum or Dad's PDA or using a mobile phone of their own.
Filtering and blocking programs are deployed mainly at the PC desktop but now, as internet access spreads, these tools are extending their reach.
The EFA has made no secret of its views on censorship and blocking technologies, but Graham agrees that kids need to be protected and for parents, blockers or filters may be the only answer when supervision is not possible.
www.smh.com.au /articles/2003/08/08/1060145856021.html?from=storyrhs   (713 words)

  
 How to Build a Block and Tackle Hoist | eHow.com
A block (a wood or metal unit containing one or more pulleys) and tackle (an assembly of blocks and ropes) permits multiplication of force to lift or move heavy objects.
Suspend the double hook block (block A) from a support, remembering that the support must be able to withstand the weight of the load and its movement.
Keep others away from the block and tackle when it is in use or when it is supporting a load.
www.ehow.com /how_1276_build-block-tackle.html   (552 words)

  
 Block And Tackle at AutoGizmos.com
Lightweight 350 Chevy Long Block - This engine will never run, but it sure makes a great display and works well for anyone setting up a street rod or race car chassis for motor and transmission mounts, steering and header clearances, and more.
This long block (with heads attached) incorporates metal threaded inserts to bolt on headers, intakes, valve covers, timing cover, water pump, engine mounts and oil pan....
There have been many sanding blocks over the years and the True-Flat is by far the best.
www.autogizmos.com /Block_and_Tackle.html   (695 words)

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