Advanced Turbine Blade Design

!"#$"%&'()*&+,)-./,()0+1&+((2&+1)/+,)3/+45/6'42&+1)!"#$#%&#'(&)(*&+'#%&$(,%'(-,.+/&0()1(2)3/%%/674%(8%)9+%:'4'()"5);(67+"."1<)3%'#4#%'#%&(5.6786#$(!#"8)'(98%8:;)+"$#)

!"#$%#&'()'*+,#"'-./&0/$1,'2&3/&##.'4-5'(+6$+7/"#78'5&0)'91..#&8':%+;#'57,1&;)

=/+4/2<)>?@)>?AA)

BC(2C&(D)"5));E9)!"#$"%&'(%)

›! !"#$%&'"()*+,$-'+#+.)#*,$/+0"'1,*)"+'&+-2"3,$)+3.#*)%+-'+-4)+"#0,*.5+)60#$*,$/+7,$*+,$*2%-"5+

›! !"#89+")8'"*+'&+:"%-+'&+-4),"+9,$*+,$$'1#;'$%+,$+-"#$%0'"-#;'$+#$*+(,.,-#"5+1)4,8.)+(#"9)-%++

›! <'.,*+/"'7-4+-4"'2/4+#*1#$8)*+-)84$'.'/5+#$*+7'".*+8.#%%+&'82%)*+&#8-'",)%+-4#-+)$#3.)+.'$/+-)"(+0#"-$)"%4,0%+7,-4+(#='"+0.#5)"%+

>#$2#"5+?@A+?@BB+++C+++D#/)+ ?+

*9FG)-HIG0J)

›! B@A@@@E+3.#*)%+%200.,)*+'1)"+B@F5)#"%+-'+-4)+%-",8-)%-+G2#.,-5+%-#$*#"*%+

›! H)#"+#)"'%0#8)+G2#.,-5+#-+,$*2%-",#.+8'%-+

›! I2%-'(+*)%,/$%A+-#,.'")*+-'+82%-'()" %+-2"3,$)+

›! D")8,%,'$+('.*,$/+#$*+#%%)(3.5+%5%-)(%+

›! D#-)$-)*+<IJKLDM+1#822(+,$&2%,'$+0"'8)%%+-)84$'.'/5+

›! J'3';8+%5%-)(%+,(0"'1)+0"'*28;1,-5+#$*+G2#.,-5+

›! N#%)"+-"#89,$/+#$*+2.-"#%'$,8+,$%0)8;'$+1)",&5+#882"#85+

>#$2#"5+?@A+?@BB+++C+++D#/)+ O+

P+

BK0L)A3)M;>)BM)3IFNMI!;NL9FO)JEI!0)

>2#")QA+LR+SPTT9+U-?V+H)7-'$A+KW+SOBX9+U-?V+

!#,8#$/+D'"-A+IY+SBZ@9+U-?V+

U#..+J,1)"A+LW+SXZ+9+U-?V+[#"")$A+JK+SZB9+U-?V+

>#$2#"5+?@A+?@BB+++C+++D#/)+

;E9)9FFBKI;9BF)G0EHBP30F;);0I3)

98$$8)%2(;"#,&#($+$&,8%,</#(.)=4#667#(,'7,%&,>#(1)"(?!3(&@")+>@('#4/)0=#%&(,%'(4")&#.6)%()1(,'7,%.#'(&#.@%)/)>0A((B#'+.#(.)$&()1(#%#">0(:(8=4")7#(4#"1)"=,%.#(C("#/8,<8/8&0(D@8/#("#'+.8%>(</,'#(.)$&A(

\+>#$2#"5+?@A+?@BB+++C+++D#/)+

MIHH)L9K0L)*9FG)-HIG0)9FFBKI;9BF)!0F;0L)

›! XZ]+%G+^+&#8,.,-5+7,-4+7#-)"+#88)%%+›! _$#3.)+P\L+-'+X?LE+0"'-'-50)+7,$*+

3.#*)%+›! I'$*28-+3.#*)+,$$'1#;'$+›! `2,.*+,$,;#.+0"'-'-50)+3.#*)%+›! `2,.*+0,.'-+0"'*28;'$+3.#*)%+›! a,#.+,$+0"'*28;'$+-''.,$/+›! I")#-)+0"'*28;'$+*'82()$-%+›! !)84$'.'/5+-"#$%&)"+›! D4#%)+KK+)60#$%,'$+'00'"-2$,-5+

X+>#$2#"5+?@A+?@BB+++C+++D#/)+

;E9)E2",46'%)

[,$*+!2"3,$)+`.#*)%+

;E9)E2",46'%)

[,$*+!2"3,$)+`.#*)%+

>?Q)*&+,)0+(21<)R<)>?S?)

›! bc<c+a)0#"-()$-+'&+_$)"/5+Sad_V+›! D'7)"+L#"9);$/+W*(,$,%-"#;'$%+

SDLW%V+›! H#;'$#.+J)$)7#3.)+_$)"/5+

N#3'"#-'"5+SHJ_NV+›! N#7")$8)+`)"9).)5+H#;'$#.+

N#3'"#-'"5+S`)"9).)5+N#3V+›! <#$*,#+H#;'$#.+N#3'"#-'",)%+S<HNV+›! `.#89+e+f)#-84+›! N)#*,$/+7,$*+(#$2&#8-2")"%+#$*+

%200.,)"%+›! a)1).'0)"%+#$*+).)8-",8+2;.,;)%+

Check out www.20percentwind.org

J")*7/'),"(%)/)3",(2+)*&+,);42R&+()-./,()H""T)H&T(U))

B@+>#$2#"5+?@A+?@BB+++C+++D#/)+

I+/'"#<)"5)/)*&+,);42R&+()-./,()V+(/2)3/W)!7"2,X)

Sandwich Shell

TE Shear Web

LE Shear Web

Trailing Edge

Sandwich Shell

Sandwich Shell

Sandwich Shell

Lower (HP) Spar Cap

Upper (LP) Spar Cap

Leading Edge

BB+>#$2#"5+?@A+?@BB+++C+++D#/)+

Y/+,)Z4%')D7/')&%)/) !"#$"%&'( U)

›! N)- %+9))0+,-+%,(0.)g+–!W+8'(0'%,-)+(#-)",#.+,%+'$)A+-4#-+'$+#+(#8"'F%8#.)A+

,%+ 8'(0'%)* +'&+(2.;0.)+$'$F4'('/)$)'2%+(#-)",#.%c+

–!!4)+8'(0'%,-)%+-4#-+ !DK+I'(0'%,-)% +8'$8)"$%+,-%).&+7,-4+,%+8'$;$2'2%+:3)"+"),$&'"8)*+0'.5()"%c+

J;L9FO)/+,)OHN0 [)

J((#/++)!"#$"%&'()L(%&+)9+54%&"+)3".,&+1)E2"6(%%)VJ!L93E\X)

BO+>#$2#"5+?@A+?@BB+++C+++D#/)+

3/+45/6'42&+1)"5)*&+,);42R&+()-./,(%)

BP+>#$2#"5+?@A+?@BB+++C+++D#/)+

0C".4:"+)"5)!"##(26&/.)*&+,);(67+"."1<)

B\+>#$2#"5+?@A+?@BB+++C+++D#/)+

O2"D'7)"5)L"'"2)G&/#('(2)

BX+>#$2#"5+?@A+?@BB+++C+++D#/)+

›! L#-)",#.%+_$/,$))",$/+›! <-"28-2"#.+a)%,/$+›! _(3)**)*+<)$%'"+

!)84$'.'/,)%+›! !''.,$/hD"'8)%%+_$/,$))",$/+›! L)-"'.'/5+#$*+Ha_+›! <-"28-2"#.+!)%;$/hI)";:8#;'$+›! !"#$%0'"-#;'$hN'/,%;8%+

-./,()0+1&+((2&+1)D&'7)0W$(2:%()&+)3IFP)G&%6&$.&+(%)

>#$2#"5+?@A+?@BB+++C+++D#/)+ BT+

3/'(2&/.%)0+1&+((2&+1)

Bi+>#$2#"5+?@A+?@BB+++C+++D#/)+

3/'(2&/.%)0+1&+((2&+1)L#-)",#.%+#")+-4)+0",(#"5+*",1)"%+,$+%5%-)(+

0)"&'"(#$8)+#$*+0"'*28;'$+8'%-%g+–! <-"28-2"#.+I'(0'%,-)+L#-)",#.%+•! J),$&'"8)()$-%+

–! j.#%%g+N'7F8'%-+4,/4+%0)8,:8+%-")$/-4A+('*)%-+%0)8,:8+%;k$)%%+

–! I#"3'$g+Y,/4+8'%-+32-+7,-4+4,/4+%0)8,:8+%-")$/-4+WHa+%;k$)%%+

–! d-4)"%+g+W"#(,*%A+`#%#.-+)-8c+•! J)%,$%+

–! _0'6,)%+–! f,$5.hD'.5F)%-)"+–! !'2/4)$)* +J)%,$%+

»! _!`HhI!`H+J)#8;1)+N,G2,*+D'.5()"%+»! I'")+<4)..+J233)"+»! H#$'F-)84$'.'/,)%+

–! !4)"('0.#%;8%+

BZ+>#$2#"5+?@A+?@BB+++C+++D#/)+

3;J)]A?)J(2C"^_<,2/4.&6)N+&C(2%/.);(%:+1)3/67&+(%)/');E9)!"#$"%&'(%)0+1&+((2&+1`G(C(."$#(+')!(+'(2)

\@@9H+N'#*+I#0#8,-5+7,-4++_$1,"'$()$-#.+I4#(3)"+

B@@9H+N'#*+I#0#8,-5+&'"+J)%,$+-)%;$/+#$*+I"'%%FD.,)*+N#(,$#-)%+

?@+>#$2#"5+?@A+?@BB+++C+++D#/)+

L(&+5"26(#(+')M"2#%)5"2)*&+,)-./,()3/+45/6'42&+1)

›! D"),(0")/$#-)*+1)"%2%+ a"5 ++"),$&'"8)()$-+&'"(%+

–! D"'8)%%,$/+•! I'$%'.,*#;'$+'&+D")0")/%+•! f#822(+J)%,$+K$&2%,'$+SfWJ!LA+<IJKLDA+)-8V+•! Y#$*+N#520hf#822(+W%%,%-)*+Y#$*+N#520+•! W2-'(#;'$+SD")0")/+-#0)+#$*+ !'7F0")/% V+

›! ['1)$+U#3",8%+–! L'%-+'^)$+2%)*+,$+-''.,$/+#00.,8#;'$%+#$*+

0"),(0")/$#-)*+&'"(%+–! Y,/4)"+8'%-A+.)%%+#00.,8#3.)+#%+%-"28-2"#.+8'(0'$)$-%+

&'"+3.#*)%+–! <0)8,#.,Q)*+2%)+,$+#")#%+'&+4,/4+Oa+%-")%%+:).*%+S")%,%-+

0)).V+›! H'$F7'1)$+L2.;#6,#.%+

–! L'%-+7,*).5+2%)*+,$+fWJ!L+0"'8)%%)%+–! N'7F8'%-A+$'$F8",(0+&'"(+")%2.-%+,$+%20)",'"+

0)"&'"(#$8)+–! Y,/4+#")#.+7),/4-%+0'%%,3.)+")*28)+.#3'"+8'%-+,$+.#520+–! b$,F*,")8;'$#. A+`,#6,#.A+a'23.)+`,#%A+!",#6,#.+#$*+

l2#*"#6,#.+(#-)",#.+&'"(%+#1#,.#3.)c+–! j.#%%hI#"3'$hW"#(,*+Y53",*%+

Courtesy of Saertex USA

?B+>#$2#"5+?@A+?@BB+++C+++D#/)+

L(%&+%)3/'2&6(%)/+,)I,7(%&C(%)

›! _0'6,)%+")(#,$+#+0",(#"5+")%,$+'&+2%)+,$+_2"'0)#$+3#%)*+3.#*)+*)%,/$%+

›! f,$5.F)%-)"%+#")+#m"#8;$/+(284+,$-)")%-+35+3.#*)+*)%,/$)"%+

›! D'.5)%-)"+")%,$+#")+%;..+0"'(,$)$-+,$+-4)+,$*2%-"5c+

›! !4)"('0.#%;8%+#$*+'-4)"+-'2/4)$)* +(#-",8)%+

Composite Matrices:

??+>#$2#"5+?@A+?@BB+++C+++D#/)+

L(%&+%)3/'2&6(%)/+,)I,7(%&C(%)V6"+:+4(,X)

›! !7'FD#"-+_0'65+D#%-)+W*4)%,1)%+%0)8,:8#..5+&'"(2.#-)*+&'"+-4),"+-4,6'-"'0,8+0"'0)";)%+#")+-4)+(#,$%-#5+&'"+3'$*,$/+#$*+#%%)(3.5+

›! L)-45.F()-4#8"5.#-)%+0"'1,*)+)68)..)$-+#*4)%,'$+-'+0'.5)%-)"+")%,$+8'(0'%,-)%+

›! D'.52")-4#$)+3'$*,$/+#/)$-%+

Blade Assembly/Bonding Adhesives:

?O+>#$2#"5+?@A+?@BB+++C+++D#/)+

!"2()3/'(2&/.%)&+)-./,()3/+45/6'42&+1)›! I'")+L#-)",#.%A+2%)*+0",(#",.5+&'"+.#"/)+#")#+

2$%200'"-)*+%-#3,.,-5+,$+.)#*,$/h-"#,.,$/+)*/)+0#$).%+#$*+%4)#"+7)3%c+–! _$*+j"#,$+`#.%#++

•! N'7+I'%-A+Y,/4+<4)#"+D"'0)";)%A+Y,/4)"+[),/4-+–! U'#(+I'")%+

•! DfI++•! <WH++•! b")-4#$)+•! D_!+S)6-"2*)*+&'"(%+.''9+8'%-+)k)8;1)V+

–! _$/,$))")*+I'")+L#-)",#.%+•! [)38'")+!nIdJ+•! H)6I'")+

?P+>#$2#"5+?@A+?@BB+++C+++D#/)+

J'246'42/.)G(%&1+)

?\+>#$2#"5+?@A+?@BB+++C+++D#/)+

J'246'42/.)G(%&1+)›! d00'"-2$,;)%+&'"+,$$'1#;1)+*)%,/$+%;..+)6,%-+›! U"'(+(#-)",#.%+%).)8;'$+#$*+&2$*#()$-#.+

.#5'2-+'&+8'(0'$)$-%+-'+&2$8;'$#.+0)"&'"(#$8)o+-4)+84',8)%+#")+)$*.)%%c+

›! W+(2.;*,%8,0.,$#"5+)6)"8,%)+")G2,",$/+8.'%)+8''"*,$#;'$+3)-7))$+%5%-)(%+#$*+#)"'+)$/,$))"%A+(#-)",#.%+#$*+%-"28-2")%+/"'20%+#%+7)..+#%+(#$2&#8-2",$/+)$/,$))"%c+

›! a)-#,.)*+#$#.5%,%+'&+8'(0'$)$-%+#$*+*5$#(,8+#$#.5%,%+'&+)$;")+-2"3,$)+%5%-)(+")G2,")*+&'"+8'(0.);$/+0"'*28-+*)%,/$c+

?X+>#$2#"5+?@A+?@BB+++C+++D#/)+

M4..^%6/.()M&+&'()0.(#(+')I+/.<%&%)N%&+1)E./'(%)/+,)J7(..%)

>#$2#"5+?@A+?@BB+++C+++D#/)+ ?T+

J'/:6)L(%4.'%)E2"C&,()G(a(6:"+)/+,)J'2(%%)9+5"2#/:"+)'")O4&,()G(%&1+)

>#$2#"5+?@A+?@BB+++C+++D#/)+ ?i+

G(%&1+)G(C(."$#(+')*"2T)5"2)NJ)G($/2'#(+')"5)0+(21<)

›! H,$)+L)-)"+SZLV+`.#*)+D"'/"#(+›! HD<+B@@+`.#*)g+#+`#%).,$)++›! IRFB@@+`.#*)g+I#"3'$+<0#"+I#0+_0'65+`.#*)+›! !RFB@@+`.#*)g+`)$*F!7,%-+I'20.,$/+_0'65+`.#*)+›! `<a<+`.#*)g+!4,89+W,"&',.+h+I#"3'$+<0#"+I#0+

_0'65+`.#*)+

>#$2#"5+?@A+?@BB+++C+++D#/)+ ?Z+

b3)!c^A??)!/2R"+)M&R(2)J$/2)!/$)-./,()

›! !",#6,#.+%;-84)*+&#3",8+8#"3'$+:3)"+ b$,F*,")8;'$#. c+

›! <0#"+8#0+0.,)%+,$-)".)#1)*+7,-4+"''-+0.,)%c+

›! _0'65+,$&2%,'$+&'"+4,/4)%-+8'(0")%%,'$+*)%,/$+%-"#,$c+

>#$2#"5+?@A+?@BB+++C+++D#/)+ O@+

New Materials – Carbon/Glass Hybrid

-(+,^;D&%')!"4$.(,)-(7/C&"2d)E(D,0$(&)(*F8%(&@,&(;,&(1)"(G),'(986>,6)%(

Aero-Elastic Tailoring: Passive load reduction

Material-based

Geometry-based

b3);c^A??)-(+,^;D&%')!"4$.(,)-./,()D`!/2R"+)M&R(2)JT&+(

>#$2#"5+?@A+?@BB+++C+++D#/)+ OB+

b#)-./,()D&'7)I,C/+6(,)I&25"&.)G(%&1+d)-./,()J<%'(#)G(%&1+)J'4,&(%)V-JGJX)

›! b%)*+'$+,$3'#"*+%)8;'$%+'&+3.#*)+S\p+F+P\p+J#*,2%V+›! K$8")#%)*+-4,89$)%%+S-h8V+#,"&',.%+0"'1,*)+('")+q#07,%)+%)8;'$+SKVA+

IFG+`.2$-+!_+'$+q#-3#89+#,"&',.+0"'1,*)%+('")+)*/)7,%)+%)8;'$+SKV+–! I#$+")*28)+(#-)",#.+2%#/)+-'+#84,)1)+%#()+_K+

›! W,"&',.+-4,89$)%%+S-h8V+#$*+q#-3#89+-4,89$)%%+Sr3h8V+8#$+3)+-#,.'")*+&'"+'0;(2(+%-"28-2"#.+*)%,/$+)s8,)$85+

–! +I#$+#..'7+&'"+8'$%-#$-+7,*-4+h+8'$%-#$-+-4,89$)%%+%0#"+8#0+&'"+('%-+'&+-4)+3.#*)+

–! +I2-%+*'7$+'$+(#-)",#.+%8"#0+#$*+.#3'"+S82t$/+#$*+(#-)",#.+0.#8)()$-V+4'2"%+

<':#7=,>&3'/&'?/3%"#.@?+&3#.'A,1;#7'

›! M./'R/6T)I&25"&.)VM-^ef^>??X)–! !4,89$)%%+-'+I4'"*+J#;'+S-h8Vg+@cX\+–! U.#-3#89+!4,89$)%%+-'+I4'"*+J#;'+S-uh8Vg+@c?@+–! W00"'6,(#-)+<0#$+N'8#;'$g+B\p+J#*,2%+

O?+>#$2#"5+?@A+?@BB+++C+++D#/)+

b#)-./,()G(%&1+`3/+45/6'42&+1)J'4,<)L(%4.'%)

**Note: Total weight savings achieved from a combination of reduced root thickness resulting from incorporation of molded in studs and increased net section diameter. Normalized weight savings due to airfoilshape is approximately 24%.

`.#*)+++++++N)$/-4+

`.#*)+++++++[),/4-+

<0#$7,%)+++++++++Ij+

<-#;8++++++`#.#$8)+

[-+J)*28;'$+U"'(+`#%).,$)+

S((V+ S9/V+ S((V+ S9/F(V+ SpV+

HD<+B@@+S`#%)+.,$)V++ iAZZT+ ??BcP+ ?AP\@+ \P?cP+ FF+

IR+FB@@+SI#"3'$+U,3)"+<0#"+I#0V++ ZA@@@+ BTOcT+ ?A?iT+ OZTc@+ ??p+

!RFB@@+S`)$*F!7,%-+I'20.)*V++ ZA@@@+ BXOcT+ ?AOOZ+ Oi?ci+ ?Xp+

`<a<+SvU.#-F3#89v+W,"&',.+a)%,/$V++ ZA@@@+ B?ZcB+ $h#+ $h#+ P?pww+

OO+>#$2#"5+?@A+?@BB+++C+++D#/)+

N%&+1)O("#('2<)5"2)H"/,)3&:1/:"+)

›! <-"28-2"#.+!)%-+'&+]$,/4-+#$*+I#"1)"+<!WJ+`.#*)+–!!)%-+0")0#"#;'$+'&+#+%7)0-+?Tc\(+

-2"3,$)+3.#*)c+–!<7)0-+*)%,/$+0"'1,*)%+3)$*F-7,%-+

8'20.,$/+&'"+/2%-+.'#*+")*28;'$c+–!<!WJ+x+<7)0-+!7,%-+W*#0;1)+J'-'"c+

›! J)0.#8)%+8'%-+'&+32,.*,$/+8#"3'$+:3)"+%9,$%+7,-4+8'%-h84#..)$/)+'&+&'"(+82"1,.,$)#"+%0#"+8#0%c+

Courtesy of Knight and Carver!

OP+>#$2#"5+?@A+?@BB+++C+++D#/)+

0#R(,,(,)J(+%"2);(67+"."1&(%)

O\+>#$2#"5+?@A+?@BB+++C+++D#/)+

J(+%"2);(67+"."1&(%)

›! a)%,/$%+(,/"#;$/+-'7#"*+.#"/)"+#$*+.,/4-)"+7),/4-+"'-'"%++–! dk%4'")+#$*+,(0"'1)*+I0++–! J)*28)*+L#"/,$+a)%,/$%+

›! !4)+8'%-+'&+&#,.2")+,%+2$#88)0-#3.5+4,/4A+32-+-4)+8'%-+'&+deL+(#5+#.%'+3)+0"'4,3,;1)+

›! Y)#.-4+('$,-'",$/+%5%-)(%+,$+#+1#",)-5+'&+&'"(%+74)")+,$$'1#;'$+"2.)%A+(#5+3)+-4)+#$%7)"c+

OX+>#$2#"5+?@A+?@BB+++C+++D#/)+

b#)!c^A??)-/%(,);E9) J(+%"2)-./,( )/+,)F(W')O(+(2/:"+) J#/2')-./,( )

›! a)1).'0()$-+2%,$/+-4)+Z(+0.#r'"(+8'$;$2)%g+

–! !DKA+<#$*,#+A+D2"*2)+b$,1)"%,-5+#$*+W,-4)"+_$/,$))",$/+8'..#3'"#-)*+-'+32,.*+-4)+ <)$%'"+`.#*) +

–! U2..5+)(3)**)*+U,3)"+d0;8+`"#//+j"#;$/+SU`jVA+U2..+Oa+#88).)"'()-)"%+#$*+&',.+%-"#,$+/#/)%+#00.,)*+7,-4,$+-4)+#%%)(3.)*+3.#*)+

–! J)#.F;()+()#%2")()$-+20+-'7)"+-'+%200'"-+3)m)"+2$*)"%-#$*,$/+'&+#8-2#.+3.#*)+.'#*,$/+-'+#)"'+('*).%c+

›! H)6-+j)$)"#;'$+ <(#"- +`.#*)+3),$/+&#3",8#-)*+,$+[#"")$A+J4'*)+K%.#$*+-4,%+-4,%+7))9y+

–! <,(,.#"+,$%-"2()$-#;'$+#%+<)$%'"+`.#*)+

–! U))*3#89+-'+8'$-"'.+#8-2#-)*+-#3%+'2-3'#"*+

>#$2#"5+?@A+?@BB+++C+++D#/)+ OT+

9+%(+%<%)V3""1X)g)9+,($(+,(+')E&'67)!"+'2".))H"/,)3(/%42(#(+')J<%'(#)

>#$2#"5+?@A+?@BB+++C+++D#/)+ Oi+

N%()"5)!"+:+4"4%)M&R(2)B$:6)J(+%&+1)5"2)9+^%&'4)3(/%42(#(+')"5)H/#&+/'()J'2/&+%)

OZ+>#$2#"5+?@A+?@BB+++C+++D#/)+

›! +b%)+'&+d0;8#.+`#89%8#m)"+J)q)8-'()-"5+›! H)#"+")#.F;() +8'$;$2'2%+%-"#,$+

()#%2")()$-+'&+'1)"+P@L+.'$/+:3)"+'0;8+7,-4+z@c\8(+")%'.2;'$+

›! I#$+3)+2%)*+&'"+3'-4+()#%2")()$-+'&+%-"#,$%+,$+0"'8)%%h&#3",8#;'$+#$*+&'"+20+-'7)"+4)#.-4F('$,-'",$/+#00.,8#;'$%c+

A/R = 10.6

M&R(2)B$:6)J&1+/.d)-(5"2()/+,)Ih(2)K/644#)I$$.&6/:"+)

Baseline (before embedding)

Embedded no vacuum applied

_(3)**)*+:3)"+ *)&)8-% +3)8'()+")#*,.5+1,%,3.)y+

>#$2#"5+?@A+?@BB+++C+++D#/)+ P@+

9"+^E./%#/)I6'4/'"2%))›! _.)8-",8#.+82"")$-+8#2%)%+

#,"+-'+,'$,Q)+#$*+8")#-)+0.#%(#+:).*+S02"0.)Vc+

›! _.)8-",8#.+:).*+(#$,02.#-)%+0.#%(#+-'+,$=)8-+-4"2%-+,$-'+#,"q'7+S")%4#0,$/Vc+

›! !"#,.,$/+)*/)+#8-2#-'"%+8#$+0)"&'"(+,*)$;8#..5+-'+-"#,.,$/+)*/)+q#0%c+

›! N)#*,$/+)*/)+#8-2#-'"%+8#$+0")1)$-+#,"q'7+%)0#"#;'$+#$*+82"-#,.+%-#..c+

>#$2#"5+?@A+?@BB+++C+++D#/)+ PB+

!""# !$#

;"".&+1)/+,)E2"6(%%)0+1&+((2&+1)

>#$2#"5+?@A+?@BB+++C+++D#/)+ P?+

;"".)/+,);"".)3/+45/6'42&+1)›! !DK+I'(0'%,-)%+(#,$-#,$%+#$+

8'(0")4)$%,1)+%)-+'&+8#0#3,.,;)%+-'+#**")%%+#..+#%0)8-%+'&+-''.+#$*+('.*+&#3",8#;'$c+›! OFa+I#*+a)%,/$+;)*+-'+)$/,$))",$/+

*#-#+'&+*)%,/$c+›! a)%,/$+'&+L#%-)"+L'*).%+SD.2/%V+&'"+

('.*+&#3",8#;'$c+›! a)0.'5()$-+'&+D.2/%+7,-4,$+!DK+&#8,.,-5+

7,-4+&2..+()-"'.'/5+")0'";$/+0",'"+-'+('.*+32,.*c+

›! U2..5+,$&2%)*+('.*%+7,-4+,$-)/"#-)*+0"'8)%%+8'$-"'.+S4)#;$/V+#$*+0"'8)%%+%'^7#")+SI53)"!4)"(V+#%+")G2,")*c+

›! I'(0.)-)+()-"'.'/5+#$*+-4)"(#.+-'.)"#$8)+")0'"-%+0"'1,*)*+-'+82%-'()"c+

>#$2#"5+?@A+?@BB+++C+++D#/)+ PO+

J".&,)3",(.&+1)g)-./,()O("#('2<)/+,);"".)G(C(."$#(+')

›! Blade OML Geometry generated from advanced airfoil design."

›! Geometry feeds FEA model development and BoM"

›! Engineering data feeds tool and fixture design."

›! Single source of engineering data ensures fidelity of finished tools to the model."

>#$2#"5+?@A+?@BB+++C+++D#/)+ PP+

SG)J".&,)3",(.&+1)M2"#)!IG)'")3/%'(2)'")3".,(,)E/2')

P\+

•! CATIA V5 solid modeling is now applied for design of all geometric surfaces. •! Applied to both structural analysis and surface generation for tooling.

•! CAD models uploaded to 3 and 5 axis machine centers for plug fabrication. •! Multiple mold sets pulled from machined plugs to build final product structure.

>#$2#"5+?@A+?@BB+++C+++D#/)+

0.(6'2"^L(%&%:C()_(/:+1)5"2)0$"W<)3/'2&W)3".,(,)-./,(%)

•! K$F4'2%)+&#3",8#;'$+7,-4+0"'0",)-#"5+).)8-"'F")%,%;1)+8#3.)%+#$*+:-+&'"+02"0'%)+.#(,$#-)+*)%,/$c+

•! a)*,8#-)*+(2.;FQ'$)+DKa+-)(0)"#-2")+8'$-"'.+7,-4+%20)"1,%'"5+8'$-"'.+1,#+!IDhKD+3#%)*+")('-)+<IWaW+&'"+%)-+0',$-+8'$-"'.A+0"'*28;'$+('$,-'",$/+#$*+.'//,$/c+

>#$2#"5+?@A+?@BB+++C+++D#/)+ PX+

I%%(#R.<)M&W'42(%))

›! W882"#-)+#%%)(3.5+'&+3.#*)%+7,-4+8'$%,%-)$-+3'$*+.,$)+-4,89$)%%+*)0)$*%+$'-+'$.5+'$+#882"#-)+('.*,$/+32-+.'8#;$/+:6-2")%+-'+0"'0)".5+0.#8)+(#='"+#%%)(3.,)%c+

›! Y)")+#+!DK+*)%,/$)*+#$*+&#3",8#-)*+%4)#"+7)3+3'$*,$/+:6-2")+.'8#-)%+-4)+P@(+<4)#"+7)3+&'"+3'$*,$/+-'+-4)+N'7+D")%%2")+%9,$c++

PT+

!DK+<4)#"+7)3+:6-2")+2%)%+-''.,$/+0',$-%+#$*+1#822(+#%%,%-)*+4#$*.,$/+&'"+%4)#"+7)3+0.#8)()$-c+

>#$2#"5+?@A+?@BB+++C+++D#/)+

_<,2/4.&6) E"D(2)_&+1(% )5"2)-./,()I%%(#R.<)

›! Y,$/)%+).,(,$#-)+q,0+:6-2")%+#$*+YD+'"+ND+<9,$+*)F('.*,$/+0",'"+-'+3'$*)*+#%%)(3.5+

›! j")#-.5+")*28)%+#%%)(3.5+;()+›! K(0"'1)%+#882"#85+›! _.,(,$#-)%+",%9+'&+*#(#/)+-'+),-4)"+%9,$+#%+#+

")%2.-+'&+4#$*.,$/+

wwH_[ww++Y5*"#2.,8+I.#(0%+#"'2$*+0)",()-)"+'&+%4)..+('.*%+&'"+8'$%,%-)$-+#$*+

2$,&'"(+8.#(0,$/+&'"8)%+

>#$2#"5+?@A+?@BB+++C+++D#/)+ Pi+

L(4%/R.()J&.&6"+)-/1);(67+"."1<)5"2)J!L93E®)

PZ+

›! <,.,8'$)+3#/%+#")+"#0,*.5+:m)*+-'+-4)+,$&2%,'$+-''.c+›! U))*+.,$)%A+1#822(+.,$)%+#$*+)(3'%%)*+*,%-",32;'$+

84#$$).%+#")+,$-)/"#-)*+,$-'+-4)+3#/+,(0"'1,$/+-4)+")0)#-#3,.,-5+'&+-4)+0"'8)%%c+

›! <)-20+;()+#$*+0"'8)%%+"'32%-$)%%+/")#-.5+,(0"'1)*+7,-4+")*28)*+*,%0'%#3.)+(#-)",#.+8'%-h7#%-)c+

>#$2#"5+?@A+?@BB+++C+++D#/)+

SG)H/%(2)E2"Z(6:"+)J<%'(#%)

•! Laser Projection Systems for real time tool based projection of ply locations, bonding adhesive outlines and shear web location. •! Ceiling mounted laser projectors. Up to five ganged together to provide full coverage across a single pair of 47.2m molds. •! Technology is now applied to all 2.4MW blade production

>#$2#"5+?@A+?@BB+++C+++D#/)+ \@+

I4'"#/:"+)"5)-./,()M/R2&6/:"+)

›! W2-'(#;'$+'&+#)"'%0#8)+8'(0'%,-)+(#$2&#8-2",$/+,%+1,"-2#..5+"'2;$)+7,-4+42$*")*%+'&+0")0")/+-#0)+(#84,$)%+'0)"#;$/+#8"'%%+-4)+/.'3)c+

›! !2"3,$)+3.#*)+(#$2&#8-2",$/+8'$%,%-%+'&+#+.#3'"+,$-)$%,1)+%)-+'&+4,/4.5+*,%-",32-)*+(#$2#.+'0)"#;'$%c+

›! U"'(+0#m)"$+82t$/+&'"+(#-)",#.+9,-%+-'+.#520+-'+,$&2%,'$+#$*+*)('.*,$/+'&+#+(2.;0.,8,-5+'&+%23+#%%)(3.,)%+'1)"+#+1#%-+#")#+#$*+*,%-#$8)A+#2-'(#;'$+,%+#+84#..)$/,$/+#$*+)60)$%,1)+)$*)#1'"c+

›! J)-2"$+'$+IWD_R+,%+"#0,*+&'"+%-"28-2")%+7,-4+8'%-+'&+:$,%4)*+/''*%+&"'(+{?@@+-'+{T@@h.3+#%+'00'%)*+-'+{\c@@+-'+{B@c@@h.3+")G2,")*+&'"+-4)+)$)"/5+(#"9)-%c+

>#$2#"5+?@A+?@BB+++C+++D#/)+ \B+

I4'"#/:"+)"5)-./,()M/R2&6/:"+)

›! W2-'(#;'$+,%+#-+7'"9+,$+3.#*)+&#8-'",)%+-'*#5g+–! b%)+'&+6F5+0.5+82t$/+&'"+(#-)",#.+9,-%A+

#2-'(#-)*+0.5+$)%;$/+%'^7#")A+0,89+#$*+0.#8)+#2-'(#;'$c+

–! N,(,-)*+2%)+'&+(#-)",#.+-"#$%&)"+%5%-)(%+,$-'+'0)$+('.*%A+0",(#",.5+7,-4+%)(,F#2-'(#-)*+'"+*",1)$+WF&"#()%+#$*+/#$-",)%+

–! W2-'(#-)*+-",((,$/+#$*+.,(,-)*+(#84,$)+#%%,%-)*+%2"&#8)+/",$*,$/h:$,%4,$/+

–! W2-'(#-)*+"''-+-",(A+(#84,$)A+#$*+*",..+&'"+!F`'.-+,$%-#..#;'$c+

–! J'3';8+#00.,8#;'$+'&+8'#;$/%c+

>#$2#"5+?@A+?@BB+++C+++D#/)+ \?+

I4'"#/:"+)&+)-./,()M&+&%7&+1)›! `.#*)+('.*,$/+'0)"#;'$%+#88'2$-+

&'"+.)%%+-4#$+\@p+'&+-'-#.+.#3'"+8'$-)$-c+

›! U,$,%4,$/+'0)"#;'$%+'k)"+#+3",..,#$-+'00'"-2$,-5+&'"+8'%-F)k)8;1)+IWD_R+%0)$*,$/c+

›! I'(0.,#$-+/",$*,$/h:$,%4,$/A+%82k+%#$*,$/+#$*+8'#;$/+#00.,8#;'$%+7,..+3)8'()+23,G2,-'2%+,$+-4)+$)#"+-)"(c+

›! !4)+#*1#$8)+,$+1,%,'$+%5%-)(%+#$*+'$+-4)+q''"+8'(02-#;'$#.+0'7)"+8'20.)*+7,-4+-4)+#1#,.#3,.,-5+'&+.'7+8'%-+(2.;F#6,%+"'3'-%+(#9)%+#2-'(#;'$+'&+(#$5+-)*,'2%+0"'8)%%)%+0'%%,3.)c++

>#$2#"5+?@A+?@BB+++C+++D#/)+ \O+

I4'"#/:"+)"5)-./,()!"#$"+(+'%)/)M&2%')J'($)

›! <0#"+I#0+8'(0'$)$-%+#")+-4)+.'/,8#.+:"%-+%-)0+7,-4+"''-+0")&'"(+0#"-%+#+$#-2"#.+)6-)$%,'$+'&+8#0#3,.,-5c+

–! <,(0.)+j)'()-"5c+–! b$,F*,")8;'$#.+(#-)",#.%+&'"+.'7)%-+

0'%%,3.)+8'%-+'&+0")0")/h-'7+0")/+(#-)",#.%c+

–! <-))"#3.) +&'"+82"1,.,$)#"+%0#"+8#0%+,$+%7)0-+3.#*)+*)%,/$c+

–! D)"&'"(#$8)+8",;8#.c+

›! W%%2"#$8)+35+(#='"+(#84,$)+(#$2&#8-2")"%+-4#-+.#520+"#-)%+#00"'#84+BA?@@+9/h4"+,$+%-"#,/4-+"2$+%0#"+8#0%+0'%%,3.)y+

>#$2#"5+?@A+?@BB+++C+++D#/)+ \P+

I4'"#/:"+)"5)-./,()3/+45/6'42&+1)'")!"#()›! !4)+=2"5+,%+%;..+'2-+")/#"*,$/+-4)+%4#0)+

#$*+&'"(+'&+&2-2")+3.#*)+#2-'(#;'$A+32-+,-+,%+%2")+-'+8'()c+

›! N'$/)"+3.#*)%A+2%)+'&+8#"3'$+:3)"+#$*+-4)+$))*+-'+)$%2")+.'7)"+0#";#.+%#&)-5+&#8-'"%+&'"+(#$2&#8-2",$/+#$*+(#-)",#.+1#",#$8)+7,..+)60)*,-)+-4)+*",1)+&'"+('")+#2-'(#;'$+,$+3.#*)+.#520c+

›! [4)-4)"+&2-2")+#2-'(#;'$+,%+,$+-4)+&'"(+'&+:3)"h-'7+0.#8)()$-A+0")0")/+'"+*"5+&#3",8+"'3';8+#00.,8#;'$A+-4)")+#")+*)%,/$%+7#,;$/+,$+-4)+7,$/%c+

›! !DK+,%+,$;(#-).5+,$1'.1)*+,$+-4,%+0"'8)%%+#$*+4).0,$/+-'+%4#0)+-4,%+&2-2")c+

>#$2#"5+?@A+?@BB+++C+++D#/)+ \\+

3('2"."1<)/+,)F"+^G(%'246:C()0C/.4/:"+)VFG0X)

\X+>#$2#"5+?@A+?@BB+++C+++D#/)+

3('2"."1<)/+,)FG0)

›! Y,/4+0)"&'"(#$8)A+-)84$,8#..5+8'(0.)6+0"'*28-c+

›! Y,/4+%9,..+.)1).+7,-4+(2.;0.,8,-5+'&+'0)"#;'$%+")G2,")*+35+)#84+(#$2&#8-2",$/+-)84$,8,#$c+

›! a)-#,.)*+*'82()$-#;'$+#$*+8'$%-#$-.5+")1,%)*+7'"9+,$%-"28;'$%+*",1)+-"#,$,$/+#$*+8)";:8#;'$+'&+ahNc+

›! K$F8'(,$/h")8),1,$/+,$%0)8;'$+#$*+-)%;$/+

›! D45%,8#.+%8,)$8)%+.#3+7,-4+7)-+84)(,%-"5A+-)%-+#$*+,$%0)8;'$+%)"1,8)%c+

›! Y,/4+.)1).+8#0#3,.,-5+&'"+()-"'.'/5+-4"'2/4+.#%)"+-"#89,$/+ILLc+

\T+>#$2#"5+?@A+?@BB+++C+++D#/)+

J425/6()3('2"."1<)5"2)-"'7);"".%)/+,)M/R2&6/'(,)E/2'%)

\i+

›! I'(3,$)*+2%)+'&+UWJd+Oa+N#%)"+!"#89,$/+#$*+f)",<2"&+I'(02-)"+L)-"'.'/5+D#89#/)+5,).*%+&2..+%2,-)+'&+()#%2")()$-+8#0#3,.,-5+&'"+3'-4+!''.+#$*+L'.*+U#3",8#;'$+#$*+U,$,%4)*+D#"-+1)",:8#;'$c+

›! UWJd+-"#89)"+0"'1,*)%+Oa+D',$-+()#%2")()$-+7,-4+#882"#85+-'+@cB((+

›! f)",<2"&+,$-)/"#-)%+()#%2")()$-+*#-#+7,-4+ #%+*)%,/$)*+Oa+0#"-+/)'()-"5 +-'+0"'1,*)+")#.+;()+()-"'.'/5+")0'";$/+#$*+&'"(#m)*+l2#.,-5+W%%2"#$8)+*'82()$-#;'$c+

>#$2#"5+?@A+?@BB+++C+++D#/)+

i4/.&'<)J<%'(#%`0+1&+((2&+1d)J'/:6)E2""5);(%:+1)

Full-Scale Blade Proof Testing: ›!46.2m Blade at 90% Max Operating load during proof testing at Vientek ›!Tip deflections exceed 8 meters at max load. ›!Root test stand designed to react over 30 million N-m of bending load!+

>#$2#"5+?@A+?@BB+++C+++D#/)+ \Z+

F"+^G(%'246:C()0C/.4/:"+)^)N.'2/%"+&6))›! !DK+4#%+#00.,)*+2.-"#%'$,8+02.%)+

)84'+3'$*+-)%-)"%+&'"+'1)"+-)$+5)#"%+-'+,$-)""'/#-)+#*4)%,1)+3'$*+.,$)%+,$+7,$*+3.#*)%c+

›! L'")+")8)$-.5+-4)+2%)+'&+IF<8#$+#$*+WF<8#$+4#%+3)8'()+0")1#.)$-+,$+.#(,$#-)+,$%0)8;'$+#%+7)..c+

›! N#-)%-+7'"9+,$8.2*)%+0'"-#3.)+%5%-)(%+0"'1,*,$/+:).*+%)"1,8)+,$%0)8;'$+8#0#3,.,-5+20F-'7)"y+

>#$2#"5+?@A+?@BB+++C+++D#/)+ X@+

H/%(2)J7(/2"12/$7<)g)*&,()I2(/)9+%$(6:"+)›! !)84$,G2)+")#*,.5+,*)$;:)%+

*)&)8-%+,$+.#(,$#-)*+%#$*7,84+8'(0'%,-)%c+

›! <.,/4-)%-+%2"&#8)+)68,-#;'$+S-4)"(#.+.'#*,$/V+.)#*%+-'+%2"&#8)+*)&'"(#;'$%+")%2.;$/+&"'(+,$-)"$#.+q#7%c+

›! U2..F:).*A+$'$F8'$-#8-+-)84$'.'/5c+

G&1&'/.)9#/1()!"22(./:"+)5"2)*&,()I2(/)J'2/&+)3(/%42(#(+')/+,)FG0)

>#$2#"5+?@A+?@BB+++C+++D#/)+ X?+

J'246'42/.);(%:+1`!(2:j6/:"+)

XO+>#$2#"5+?@A+?@BB+++C+++D#/)+

J'/:6);(%:+1)"5)3(1/D/8)J6/.();42R&+()-./,(%))

XP+

›! <-#;8+-)%;$/+-'+%,(2.#-)+(#6,(2(+'0)"#;'$#.+.'#*,$/+,%+#+8",;8#.+).)()$-+'&+*)%,/$+8)";:8#;'$+#$*+,%+")G2,")*+35+WNN+8)";&5,$/+#/)$8,)%+SjNA+K_IA+aHfA+)-8cV+

›! !)%;$/+4#%+&'"(#..5+3))$+#88'(0.,%4)*+7,-4+(#9)%4,^+'0)"#;'$%g+›! a)#*7),/4-+.'#*,$/+›! b%)+'&+'1)"4)#*+8"#$)%+

›! H)7+&#8,.,;)%+#")+8'(,$/+'$.,$)+*'()%;8#..5+-4#-+2;.,Q)+&2..5+8'(02-)"+'0)"#-)*+*)*,8#-)*+.'#*,$/+%5%-)(%c+

>#$2#"5+?@A+?@BB+++C+++D#/)+

M/:14();(%:+1)"5)3(1/D/8)J6/.();42R&+()-./,(%)

›! I58.,8+.'#*+-)%;$/+4#%+0")1,'2%.5+3))$+#88'(0.,%4)*+-4"'2/4+&'"8)*+*,%0.#8)()$-+2%,$/+*,%-",32-)*+45*"#2.,8+#8-2#-'"%c+

›! !4,%+4#%+3))$+")0.#8)*+7,-4+-4)+*)1).'0()$-+'&+")%'$#$-+&")G2)$85+858.,8+.'#*+-)%;$/c++›! a,%-",32-)*+(#%%+8#$+3)+2%)*+-'+*)1).'0+#"3,-"#"5+('()$-+0"':.)%+-'+%,(2.#-)+'0)"#;'$#.+

#)"'*5$#(,8+0")%%2")++.'#*,$/c+

X\+>#$2#"5+?@A+?@BB+++C+++D#/)+

H/21()-./,();(%')!(+'(2%)F"2'7)I#(2&6/)

›! H#;'$#.+J)$)7#3.)+_$)"/5+N#3'"#-'"5++–! `'2.*)"+I'.'"#*'g+!)%;$/+20+-'+

\@(+

›! [,$*+!)84$'.'/5+!)%-+I)$-)"++–! I4#".)%-'7$+L#%%#842%)m%g+

!)%;$/+20+-'+Z@(+S'0)$+>#$2#"5+?@BBV+

›! W_[I+SW*1#$8)+<-"28-2")%+#$*+I'(0'%,-)%+I)$-)"V+#-+-4)+b$,1)"%,-5+'&+L#,$)++–! d"'$'+L#,$)g+!)%;$/+20+-'+T@(+

S'0)$+L#"84+?@BBV+

XX+>#$2#"5+?@A+?@BB+++C+++D#/)+

M/..)L&C(2)-./,()G(C(."$#(+')!(+'(2d)I66(%%)'")H/21()-./,()J'246'42/.);(%')!/$/R&.&'<@)*;;!)

XT+>#$2#"5+?@A+?@BB+++C+++D#/)+

a,%-#$8)+x+\Pci+(,.)%+

;2/+%$"2'/:"+`H"1&%:6%)

Xi+>#$2#"5+?@A+?@BB+++C+++D#/)+

-./,();2/+%$"2'/:"+)

XZ+>#$2#"5+?@A+?@BB+++C+++D#/)+

34.:^3(1/D/8)-./,(%)J7&$)&+)J&+1.()N+&'%)E(2);246T)

o! LYK|%+?cP+L[+7,$*+-2"3,$)++•! L[!Z?h?cP+#$*+L[!+Z\h?cP+

o! PPcT(+[!`+I.#%%+KK+<)"1,8)+o! PXc?(+[!`+I.#%%+KKK+%)"1,8)+

T@+>#$2#"5+?@A+?@BB+++C+++D#/)+

kklm3)-./,(d)*"2T&+1)'")L(,46();2/+%$"2'/:"+)!"%')›! TPI Engineers are looking for designs

to minimize transportation costs."•! Shortened Maximum Chord

reduces shipping package height."•! Increased root thickness translates

to structural weight reduction. "–! Will ship TWO blades per

truck without exceeding weight restrictions."

Current shipping configuration of 2.4MW 46.2m wind blade

TB+>#$2#"5+?@A+?@BB+++C+++D#/)+

a",1,$/+I'(0'%,-)%+K$$'1#;'$+