From: Subject: British engineer works to secure cost effective tidal power Date: Wed, 22 Feb 2006 22:14:13 -0000 MIME-Version: 1.0 Content-Type: multipart/related; type="text/html"; boundary="----=_NextPart_000_0000_01C637FD.50190B70" X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2180 This is a multi-part message in MIME format. ------=_NextPart_000_0000_01C637FD.50190B70 Content-Type: text/html; charset="Windows-1252" Content-Transfer-Encoding: quoted-printable Content-Location: http://www.eurekalert.org/pub_releases/2004-11/bis-bew112204.php British engineer works to secure cost effective tidal = power

Public = release date:=20 22-Nov-2004
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Contact: Makeda Scott
makeda.scott@fco.gov.uk
20= 2-588-6523
British = Information=20 Services

British engineer works to secure cost effective tidal = power

A British engineer believes he can secure cost = effective=20 tidal power by innovatively placing existing turbine designs inside = large bore=20 underwater pipes.=20

Don Cutler's view is that it's best to use everything that's = standard. "You=20 don't re-invent the wheel you improve it."=20

"Sea water is a most aggressive environment, but using modern = materials like=20 carbon fibres, and Teflon, are about the only clever things about my = design," he=20 says.=20

Cutler's design is specifically aimed at taking advantage of straight = tides.=20 "With a tide running at 5-6 knots you can get all the power you need," = he says.=20

Cutler plans to use oilrig technology to secure his pipe based = turbine=20 structures to the seabed. "In order to maximise the tidal power I have = five long=20 tubes leading to the turbines, with fish deflectors," he says.=20

His idea is to prove his concept with a 50ft (15.24m) long pipe, = which would=20 be 5ft (1.524m) in diameter. He believes this would produce 1 kilowatt = of power.=20 Scaling this up to a pipe with a bore of 100ft (30.48m) would generate 6 = megawatts of power based on peak spring tides. Cutler thinks, on = average, though=20 this size pipe would generate between 1 and 1.5 megawatts.=20

"Once the water is in the pipe it has nowhere else to go. You need = the pipe=20 to constrain the water," he says.=20

Cutler, who founded the former multi-million pound Weymouth-based = engineering=20 company Tekflo, has a history in marine design. Tekflo developed = equipment for=20 water systems and North Sea oilrigs, and Cutler sold the business in the = 1980s.=20

Cutler entered the world of tidal power engineering because Portland = Harbor,=20 in Dorset where he lives, was the proposed site for a wind farm. The = plan was to=20 locate the wind farm on the harbor and not 10 miles out at sea which = Cutler=20 believed would have been a better option, so he decided to design an=20 alternative. He also argues tides are predictable whereas wind isn't.=20

Cutler is looking to form an association with an existing company = that has=20 some experience of securing the finance for such projects.=20

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(screen.width-w)/2 : 0;=0A= TopPosition =3D 10;=0A= settings =3D=0A= = 'height=3D'+h+',width=3D'+w+',top=3D'+TopPosition+',left=3D'+LeftPosition= +',scrollbars=3D'+scroll+',resizable,menubar'=0A= win =3D window.open(mypage,myname,settings)=0A= if(win.window.focus){win.window.focus();}=0A= }=0A= =0A= =0A= self.onerror =3D function() {=0A= =0A= return true;=0A= =0A= }=0A= =0A= function di(id,name){=0A= =0A= if (document.images) {document.images[id].src=3Deval(name+".src"); }=0A= =0A= }=0A= =0A= =0A= =0A= // function that displays status bar message=0A= =0A= =0A= =0A= function dm(msgStr) {=0A= =0A= document.returnValue =3D false;=0A= =0A= if (document.images) { =0A= =0A= window.status =3D msgStr;=0A= =0A= document.returnValue =3D true;=0A= =0A= }=0A= =0A= }=0A= =0A= var showMsg =3D navigator.userAgent !=3D "Mozilla/4.0 (compatible; MSIE = 4.0; Mac_PowerPC)";=0A= =0A= function dmim(msgStr) {=0A= =0A= document.returnValue =3D false;=0A= =0A= if (showMsg) { =0A= =0A= window.status =3D msgStr;=0A= =0A= document.returnValue =3D true;=0A= =0A= }=0A= =0A= }=0A= =0A= =0A= =0A= =0A= // function that will load the bubble with URL, opening the bubble if = necessary (one bubble per page)=0A= =0A= function loadBubble(URL) {=0A= self.name =3D "scipix";=0A= SciBubble =3D window.open(URL, window.name+'bubble', = 'toolbar=3D0,location=3D0,directories=3D0,status=3D0,scrollbars=3Dyes,res= izable=3Dyes,width=3D430,height=3D350'); =0A= SciBubble.focus();=0A= =0A= =0A= }=0A= =0A= // function that will load full size popup with URL, opening the bubble = if necessary (one bubble per page)=0A= =0A= function loadRepak(URL) {=0A= self.name =3D "scipix";=0A= SciBubble =3D window.open(URL, window.name+'RePak', = 'toolbar=3D0,location=3D0,directories=3D0,status=3D0,scrollbars=3Dyes,res= izable=3Dyes,width=3D580,height=3D420'); =0A= SciBubble.focus();=0A= =0A= =0A= }=0A= =0A= =0A= =0A= // function that safely closes the bubble=0A= =0A= function closeBubble() {=0A= =0A= if ((SciBubble !=3D undefined) && (SciBubble.close !=3D undefined)) {=0A= =0A= SciBubble.close();=0A= =0A= }=0A= =0A= }=0A= =0A= =0A= =0A= =0A= // function that (re)opens a navpop with URL (one navpop per page)=0A= =0A= function loadNavPop(URL) {=0A= =0A= HHMINavPop =3D window.open(URL, window.name+'navpop', = 'toolbar=3D0,location=3D0,directories=3D0,status=3D0,scrollbars=3D1,resiz= able=3Dno,width=3D340,height=3D420'); =0A= =0A= HHMINavPop.focus();=0A= =0A= }=0A= =0A= =0A= =0A= // function that safely loads and focuses on the main window with URL=0A= =0A= function loadMain(URL) {=0A= =0A= if (window.opener) {=0A= =0A= window.opener.location =3D URL;=0A= =0A= window.opener.focus();=0A= =0A= }=0A= =0A= }=0A= =0A= =0A= ------=_NextPart_000_0000_01C637FD.50190B70--