FREE FLIGHT DURATION HOW LONG Aspect ratio AIRthe relationship wings span its average chordis factors must consider designing new model look sailpianes either RC models fullscale might convince long narrow wing best way maximize glide performance high-aspect-ratio wing always best choice high high some events such P-30 Pee Wee-30 rules limit wingspan cases should use low aspect ratio possible maximize wing area example P-30 101 aspectratio wing 3 x 30 inches would have 90square-inch wing surface model 51 ratio wing 6 x 30 will have 180-squareinch wing might quite efficient higher-aspect-ratio wing wing loading area divided model weight will about half high-A/R wing no doubt model will glide better paraphrase old drag-racer saying no substitute square inches some events limit area wing often total wing stab area model higheraspect-ratio wing really does have advantage Simply stated best thing total area limited put much can wing make long dare Since stabs sole purpose keeping wing flying optimum angle no sense wasting area stab could put wing Typical stab percentage modem models around 20%a far cry 50 percent lifting stabs used models designed 1 950s such Civy Boy Royono provide necessary stability small stab needs lot farther back line thinking has lead stretched-out FlC power models such Eugene Verbitski s 104-inch-wingspan model According United States FlC team 108 Model Aviation 4Bruce Augustus launches Northern Light F1J Moderate-aspect- Eric Johnsons Coupe uses high-aspect-ratio wing reduce ratio wing fairly wide chord decreases wing loading drag improve climb Note winglets McBride photo Eugene Verbitskis 104-inch-span FiG has high-aspect-ratio wing maximum performance rules limit total wing area member Roger Simpson increase span has resulted increase performance what limits Well obvious practical limit what can fit model box Its surprising quite few top power fliers have model boxes extra bulge accommodate newer longer wings wing area fixed increasing aspect ratio means reducing chord can lead some problems due reduced Reynolds number wing Reynolds number basically abstract number shows relationship wing chord airspeed As chord decreases does Reynolds number Generally minimum chord still will have high enough Reynolds number work well about three inches biggest limiting factor aspect ratio has wing structure itself Longer wings also thinner absolute values percentage practical aspect-ratio limit conventional balsa-and-tissue construction probably around 121 new composite construction methods such aluminum-over-balsa skins carbon-fiber D-boxes have allowed much stronger longer wings However some events such open power Coupe no limits wing area span What Should build fairly low-aspect-ratio wing try pack much area possible would better go higher-aspect-ratio wing meant higher wing loading good example latter approach Eric Johnsons new Coupe has 543/4-inch-span wing 192 square inches area gives 3/2-inch average chord aspect ratio 1561 Thats very high Coupe typical todays Wakefield models Eric might have improved glide some increasing chord reduce wing loading would have increased drag wing hurt climb Free flight design usually involves some choices compromises based own experiences very large BLSA. AB OIg/c3 2 A .AB 0 08 /cn0# 5 CtNr2 re --40 2 101 1k 50 2 w w t96 rq- pir A5Ror0L s-rQr ISA aoL4o j LU g/cm tDcB & Ouvrajor 1-IANfl LLtNCH GLD 72& iOUNG ONLXt b~AW P0IANU 93 flrAwCtr& 9u o t4fl~ kJEYn 2AQz~ October 1995 109 Use carbon-fiber wing spars allows Eric Johnson build long thin Coupe wing adequate stiffness PIASTeC kJfl Iz IBkor wrE Szrif0N 1 1 C 4 4o eIand Model Supply Co iCVRA559HIO MIL2T OLD TIMER SUPPLIES COILS CONDENSERS PLUGS SILK QUALITY DOPE BRUSHES 5 & 7 LOOP 114 GUM BANDS TRANSISTOR IGNITION SYSTEMS RESISTOR HI TENSION LEADS 112A TEXACO PLAYBOY SR KIT MAIL OR PHONE 619 728-4365 VISA /MC WELCOME NO COD MINIMUM ORDER S1OOO PLUS 280-square-inch wing Coupe Eric has made right choice bigger lightly-loaded model might have outglided Erics Inever could get thing up very far So Eric has opted best possible climb probably best choice several reasons Thermals bigger higher up fast-climbing model less affected wind ground turbulence important its fun outclimb other models specs Eric Johnsons Dream Catcher 543/4-inch-span wing uses balsa D-box carbon-fiber top bottom spars trailing edge also carbon fiber airfoil modified Andriukov 6% thicknessThe tiplets wing built-up measure 12/I x 1/2 inches one-inch-diameter motor tube rolled balsa Tyvek inside tissue outside boom also rolled balsa tissue outside overall length 36/ inches Eric uses 12 strands II drive pair Champion Coupe blades wing tissue covered tail covered Mylar version flies right-left using auto surfaces followup model now works will use auto stab rudder all-up weight including 10gram motor locating transmitter 82 grams Little Star pages Vol Libre comes high-aspect-ratio hand-launched glider intended younger modeler Note designer Jerzy Kaczorek has eliminated troublesome center dihedral joint effect made flat wing sheet balsa tiplets dimensions millimeters should easy scale up Let know get flying subscribe Vol Libre contact Peter Brocks 313 Lynchburg Dr Newport News VA 23606 newsletter published six times year French English subtitles n Giants p Promote mw - CompetitiveI iEJEfI ying Large RIC Air Crafti II IMAA membership includes quarterly magazine High Flight I MEMBERSHIP APPLICATiON l NEW IJ RENEWAL Date19I Yearly Dues$1500 USA $2000 US Canada & Mexico $3000 US ElsewhereI Make CHECK MONEY ORDER Payable INTERNATIONAL MINIAUJRE AIRCRAFT ASSOCIATION INC I Name _________________________________________ Phone ___________________________ Street ______________________________________ P0 Box/Route Box ________________ City ___________________State/Province ________________Zip _________________ IAMA Number ________ MAAC ________Chapter _______ IMAA _______________________ L TO IMAA Secretary DON E VINEYARD 2055 HilIdole Road na KS 67401 m 110 Model Aviation DS WIDEST VARIETY OF AUTHENTIC FLYING B* MODELCjA185 * / ///ONLY SMALL ASSORT REGULAR INSTOCA PLANS GET JB TAMODS SAMEDAY SERVICE WORLDS MOST AUTHENTIC MODEL PLANSALL PATTERNS INCLUDED ERUBERRYIDREE NUMB I DR ER1116 53 I/B EDlIE BR ID BR SSDLBDFPLDRB ETA ISPELOPT OPT 3ILDHV CDDS SaSG225232 53266S44.I3256H 40VULEUGE CDEE U4U2U52035$266U545 ISCLR JN4UJRDTY2151832524655388~513~ii 56SLADUDEd JL OR2252232S3V65545 29ADSD TapDDWLngUS514224S2U155346O48 9U562 36URDSUDU ETRaDARE2551U32452125538LVV552I 35GDLR U46-A UGER235243L532GBS46~ 7- 29UDDLOB IOU IRDESLS5L622I$24455369U562 33SLUT TELmALDE3U535455369U5S212U5T5I-C~ 39LUAk LL6LLDEBP382Th5193952678545 39CDT P35A ULASSDUD515285205653L~ L12558 25ABC CYDO USAU/AU852U2U52V54544I72SS6LUSS68 38CDV CASLDa PAYSA 525LA 2856241141 US -- U9UDYSUND NCA *629566945D9j U7UD66RE U USE145122U5U51UU53U84549 31DDylTB GERARM1145121245141355324254 70556 U3ApRDTLLRE1VR S6U155UU22455314445266US38189S52 35GrAD OAUUGDD6LL9524I4SUL3538GUILE ULLN 35LDC6 LURSSTA AlL22525153255538LACk UUDA 54 3GRAD EVRCARD TUE3US2810 53V[UO552UDRA 3M 4T6 42ADD AlTO FLyUUDC5154577552ADD 8170 54 38G. ALISGSRIU 8253655375555251 125 56 34YEASCLCDDSDLERC72LSNSIS235224S9535MRS U D26 6 37CDT GUVY $030U195U828 52452S35SCUD S TEU 4 25C AUSRD 53C-L Sl11515US 52093535ADdlyPUAS 6 34STUD TRADER UC-3L754V7US5UTDUD DC-3 6 33CADS ADDLE 66 B1S4 515234522L7545 1U 32UDDUISSERD ODRUU1245271893223753549546 74558 31lAD UL83&4 P1281S516220520444532594544 89558 32SERBIA UDESDAg1305152U52U4U53253S44 80558 328DDADA ILERMULIR10451215451531526' 52-545 34TILESREB 451 LLDSRr13512U945163952852R$IU 28552 35ADD MR TEDILUBDD1651523452U4253264544 94556 33ADR P264 UDA UDA145U52152U4253263545 84558 35SSLDDDD TLEL 58720051631952552545V25SS1B3TGS 42D8 MODNUISA ADDS37j5244153581SSU11I8565- REUEUT UTI *15518244522953498059 43N 816 8iUDD PSI3354U9455099575 3VTARTS 8DLED TRD131451321451843S36185Bs51 42CUDILAIDDSD2C42552537453574564~ 26UDDA TEUDDED ALT38-538575481I572I 31ADILUDDA liD DDD3252248S3095552 UDD 32U AUSIT194528295401585557245681 27C UTADUDLE U7CI12451823452 I47538[635501 9515 2851k ALEPSIS S3U35534S4542UOVT36~ 16APAR 0400 DALEC50 5452555GTW~. 31CiDdys LAIDLUD21515310522635362D2 31VUDDEA 6ACPRSRLUSIl1551530530L 50542 31C STaDODLE U9C21245151952238535524558 25558 33URDOUSA C3 UPS185102751453s52s~ L 2505 38TADURED UDDIA GA12s51s1155253753I3S4UI 75555 /3UDUGS OILYR20551830s5260453V1EICDUD15UDCADE READ BEFORE ORDERING DER B' RDSCALE11232 SIZE PLAN * ER SORT TO ADD TYTUSIAL YAILABLE AT ONE DOLLAR 10 FOE FUCEAGING YOST. SCALE AGE AND INGURUNCEUEOT-RICES FOR ALL DESIGNS* U TYOSSUNS ADDITIONUL FLUNG MUNY 5215 0 0 128 YL CATALOG 52 20 OR ERCE LIST ALONE TI TREE DY UIR TORSION SOC CAN 8MEV SI____________________________________________ CION ACIES RAciNG WHEELS KLOTZ OIL SOLID CONTROL LINES THREE BRANDS OF GLOW PLUGS HARD-TO-FIND HARDWARE
Edition: Model Aviation - 1995/10
Page Numbers: 108, 109, 110
FREE FLIGHT DURATION HOW LONG Aspect ratio AIRthe relationship wings span its average chordis factors must consider designing new model look sailpianes either RC models fullscale might convince long narrow wing best way maximize glide performance high-aspect-ratio wing always best choice high high some events such P-30 Pee Wee-30 rules limit wingspan cases should use low aspect ratio possible maximize wing area example P-30 101 aspectratio wing 3 x 30 inches would have 90square-inch wing surface model 51 ratio wing 6 x 30 will have 180-squareinch wing might quite efficient higher-aspect-ratio wing wing loading area divided model weight will about half high-A/R wing no doubt model will glide better paraphrase old drag-racer saying no substitute square inches some events limit area wing often total wing stab area model higheraspect-ratio wing really does have advantage Simply stated best thing total area limited put much can wing make long dare Since stabs sole purpose keeping wing flying optimum angle no sense wasting area stab could put wing Typical stab percentage modem models around 20%a far cry 50 percent lifting stabs used models designed 1 950s such Civy Boy Royono provide necessary stability small stab needs lot farther back line thinking has lead stretched-out FlC power models such Eugene Verbitski s 104-inch-wingspan model According United States FlC team 108 Model Aviation 4Bruce Augustus launches Northern Light F1J Moderate-aspect- Eric Johnsons Coupe uses high-aspect-ratio wing reduce ratio wing fairly wide chord decreases wing loading drag improve climb Note winglets McBride photo Eugene Verbitskis 104-inch-span FiG has high-aspect-ratio wing maximum performance rules limit total wing area member Roger Simpson increase span has resulted increase performance what limits Well obvious practical limit what can fit model box Its surprising quite few top power fliers have model boxes extra bulge accommodate newer longer wings wing area fixed increasing aspect ratio means reducing chord can lead some problems due reduced Reynolds number wing Reynolds number basically abstract number shows relationship wing chord airspeed As chord decreases does Reynolds number Generally minimum chord still will have high enough Reynolds number work well about three inches biggest limiting factor aspect ratio has wing structure itself Longer wings also thinner absolute values percentage practical aspect-ratio limit conventional balsa-and-tissue construction probably around 121 new composite construction methods such aluminum-over-balsa skins carbon-fiber D-boxes have allowed much stronger longer wings However some events such open power Coupe no limits wing area span What Should build fairly low-aspect-ratio wing try pack much area possible would better go higher-aspect-ratio wing meant higher wing loading good example latter approach Eric Johnsons new Coupe has 543/4-inch-span wing 192 square inches area gives 3/2-inch average chord aspect ratio 1561 Thats very high Coupe typical todays Wakefield models Eric might have improved glide some increasing chord reduce wing loading would have increased drag wing hurt climb Free flight design usually involves some choices compromises based own experiences very large BLSA. AB OIg/c3 2 A .AB 0 08 /cn0# 5 CtNr2 re --40 2 101 1k 50 2 w w t96 rq- pir A5Ror0L s-rQr ISA aoL4o j LU g/cm tDcB & Ouvrajor 1-IANfl LLtNCH GLD 72& iOUNG ONLXt b~AW P0IANU 93 flrAwCtr& 9u o t4fl~ kJEYn 2AQz~ October 1995 109 Use carbon-fiber wing spars allows Eric Johnson build long thin Coupe wing adequate stiffness PIASTeC kJfl Iz IBkor wrE Szrif0N 1 1 C 4 4o eIand Model Supply Co iCVRA559HIO MIL2T OLD TIMER SUPPLIES COILS CONDENSERS PLUGS SILK QUALITY DOPE BRUSHES 5 & 7 LOOP 114 GUM BANDS TRANSISTOR IGNITION SYSTEMS RESISTOR HI TENSION LEADS 112A TEXACO PLAYBOY SR KIT MAIL OR PHONE 619 728-4365 VISA /MC WELCOME NO COD MINIMUM ORDER S1OOO PLUS 280-square-inch wing Coupe Eric has made right choice bigger lightly-loaded model might have outglided Erics Inever could get thing up very far So Eric has opted best possible climb probably best choice several reasons Thermals bigger higher up fast-climbing model less affected wind ground turbulence important its fun outclimb other models specs Eric Johnsons Dream Catcher 543/4-inch-span wing uses balsa D-box carbon-fiber top bottom spars trailing edge also carbon fiber airfoil modified Andriukov 6% thicknessThe tiplets wing built-up measure 12/I x 1/2 inches one-inch-diameter motor tube rolled balsa Tyvek inside tissue outside boom also rolled balsa tissue outside overall length 36/ inches Eric uses 12 strands II drive pair Champion Coupe blades wing tissue covered tail covered Mylar version flies right-left using auto surfaces followup model now works will use auto stab rudder all-up weight including 10gram motor locating transmitter 82 grams Little Star pages Vol Libre comes high-aspect-ratio hand-launched glider intended younger modeler Note designer Jerzy Kaczorek has eliminated troublesome center dihedral joint effect made flat wing sheet balsa tiplets dimensions millimeters should easy scale up Let know get flying subscribe Vol Libre contact Peter Brocks 313 Lynchburg Dr Newport News VA 23606 newsletter published six times year French English subtitles n Giants p Promote mw - CompetitiveI iEJEfI ying Large RIC Air Crafti II IMAA membership includes quarterly magazine High Flight I MEMBERSHIP APPLICATiON l NEW IJ RENEWAL Date19I Yearly Dues$1500 USA $2000 US Canada & Mexico $3000 US ElsewhereI Make CHECK MONEY ORDER Payable INTERNATIONAL MINIAUJRE AIRCRAFT ASSOCIATION INC I Name _________________________________________ Phone ___________________________ Street ______________________________________ P0 Box/Route Box ________________ City ___________________State/Province ________________Zip _________________ IAMA Number ________ MAAC ________Chapter _______ IMAA _______________________ L TO IMAA Secretary DON E VINEYARD 2055 HilIdole Road na KS 67401 m 110 Model Aviation DS WIDEST VARIETY OF AUTHENTIC FLYING B* MODELCjA185 * / ///ONLY SMALL ASSORT REGULAR INSTOCA PLANS GET JB TAMODS SAMEDAY SERVICE WORLDS MOST AUTHENTIC MODEL PLANSALL PATTERNS INCLUDED ERUBERRYIDREE NUMB I DR ER1116 53 I/B EDlIE BR ID BR SSDLBDFPLDRB ETA ISPELOPT OPT 3ILDHV CDDS SaSG225232 53266S44.I3256H 40VULEUGE CDEE U4U2U52035$266U545 ISCLR JN4UJRDTY2151832524655388~513~ii 56SLADUDEd JL OR2252232S3V65545 29ADSD TapDDWLngUS514224S2U155346O48 9U562 36URDSUDU ETRaDARE2551U32452125538LVV552I 35GDLR U46-A UGER235243L532GBS46~ 7- 29UDDLOB IOU IRDESLS5L622I$24455369U562 33SLUT TELmALDE3U535455369U5S212U5T5I-C~ 39LUAk LL6LLDEBP382Th5193952678545 39CDT P35A ULASSDUD515285205653L~ L12558 25ABC CYDO USAU/AU852U2U52V54544I72SS6LUSS68 38CDV CASLDa PAYSA 525LA 2856241141 US -- U9UDYSUND NCA *629566945D9j U7UD66RE U USE145122U5U51UU53U84549 31DDylTB GERARM1145121245141355324254 70556 U3ApRDTLLRE1VR S6U155UU22455314445266US38189S52 35GrAD OAUUGDD6LL9524I4SUL3538GUILE ULLN 35LDC6 LURSSTA AlL22525153255538LACk UUDA 54 3GRAD EVRCARD TUE3US2810 53V[UO552UDRA 3M 4T6 42ADD AlTO FLyUUDC5154577552ADD 8170 54 38G. ALISGSRIU 8253655375555251 125 56 34YEASCLCDDSDLERC72LSNSIS235224S9535MRS U D26 6 37CDT GUVY $030U195U828 52452S35SCUD S TEU 4 25C AUSRD 53C-L Sl11515US 52093535ADdlyPUAS 6 34STUD TRADER UC-3L754V7US5UTDUD DC-3 6 33CADS ADDLE 66 B1S4 515234522L7545 1U 32UDDUISSERD ODRUU1245271893223753549546 74558 31lAD UL83&4 P1281S516220520444532594544 89558 32SERBIA UDESDAg1305152U52U4U53253S44 80558 328DDADA ILERMULIR10451215451531526' 52-545 34TILESREB 451 LLDSRr13512U945163952852R$IU 28552 35ADD MR TEDILUBDD1651523452U4253264544 94556 33ADR P264 UDA UDA145U52152U4253263545 84558 35SSLDDDD TLEL 58720051631952552545V25SS1B3TGS 42D8 MODNUISA ADDS37j5244153581SSU11I8565- REUEUT UTI *15518244522953498059 43N 816 8iUDD PSI3354U9455099575 3VTARTS 8DLED TRD131451321451843S36185Bs51 42CUDILAIDDSD2C42552537453574564~ 26UDDA TEUDDED ALT38-538575481I572I 31ADILUDDA liD DDD3252248S3095552 UDD 32U AUSIT194528295401585557245681 27C UTADUDLE U7CI12451823452 I47538[635501 9515 2851k ALEPSIS S3U35534S4542UOVT36~ 16APAR 0400 DALEC50 5452555GTW~. 31CiDdys LAIDLUD21515310522635362D2 31VUDDEA 6ACPRSRLUSIl1551530530L 50542 31C STaDODLE U9C21245151952238535524558 25558 33URDOUSA C3 UPS185102751453s52s~ L 2505 38TADURED UDDIA GA12s51s1155253753I3S4UI 75555 /3UDUGS OILYR20551830s5260453V1EICDUD15UDCADE READ BEFORE ORDERING DER B' RDSCALE11232 SIZE PLAN * ER SORT TO ADD TYTUSIAL YAILABLE AT ONE DOLLAR 10 FOE FUCEAGING YOST. SCALE AGE AND INGURUNCEUEOT-RICES FOR ALL DESIGNS* U TYOSSUNS ADDITIONUL FLUNG MUNY 5215 0 0 128 YL CATALOG 52 20 OR ERCE LIST ALONE TI TREE DY UIR TORSION SOC CAN 8MEV SI____________________________________________ CION ACIES RAciNG WHEELS KLOTZ OIL SOLID CONTROL LINES THREE BRANDS OF GLOW PLUGS HARD-TO-FIND HARDWARE
Edition: Model Aviation - 1995/10
Page Numbers: 108, 109, 110
FREE FLIGHT DURATION HOW LONG Aspect ratio AIRthe relationship wings span its average chordis factors must consider designing new model look sailpianes either RC models fullscale might convince long narrow wing best way maximize glide performance high-aspect-ratio wing always best choice high high some events such P-30 Pee Wee-30 rules limit wingspan cases should use low aspect ratio possible maximize wing area example P-30 101 aspectratio wing 3 x 30 inches would have 90square-inch wing surface model 51 ratio wing 6 x 30 will have 180-squareinch wing might quite efficient higher-aspect-ratio wing wing loading area divided model weight will about half high-A/R wing no doubt model will glide better paraphrase old drag-racer saying no substitute square inches some events limit area wing often total wing stab area model higheraspect-ratio wing really does have advantage Simply stated best thing total area limited put much can wing make long dare Since stabs sole purpose keeping wing flying optimum angle no sense wasting area stab could put wing Typical stab percentage modem models around 20%a far cry 50 percent lifting stabs used models designed 1 950s such Civy Boy Royono provide necessary stability small stab needs lot farther back line thinking has lead stretched-out FlC power models such Eugene Verbitski s 104-inch-wingspan model According United States FlC team 108 Model Aviation 4Bruce Augustus launches Northern Light F1J Moderate-aspect- Eric Johnsons Coupe uses high-aspect-ratio wing reduce ratio wing fairly wide chord decreases wing loading drag improve climb Note winglets McBride photo Eugene Verbitskis 104-inch-span FiG has high-aspect-ratio wing maximum performance rules limit total wing area member Roger Simpson increase span has resulted increase performance what limits Well obvious practical limit what can fit model box Its surprising quite few top power fliers have model boxes extra bulge accommodate newer longer wings wing area fixed increasing aspect ratio means reducing chord can lead some problems due reduced Reynolds number wing Reynolds number basically abstract number shows relationship wing chord airspeed As chord decreases does Reynolds number Generally minimum chord still will have high enough Reynolds number work well about three inches biggest limiting factor aspect ratio has wing structure itself Longer wings also thinner absolute values percentage practical aspect-ratio limit conventional balsa-and-tissue construction probably around 121 new composite construction methods such aluminum-over-balsa skins carbon-fiber D-boxes have allowed much stronger longer wings However some events such open power Coupe no limits wing area span What Should build fairly low-aspect-ratio wing try pack much area possible would better go higher-aspect-ratio wing meant higher wing loading good example latter approach Eric Johnsons new Coupe has 543/4-inch-span wing 192 square inches area gives 3/2-inch average chord aspect ratio 1561 Thats very high Coupe typical todays Wakefield models Eric might have improved glide some increasing chord reduce wing loading would have increased drag wing hurt climb Free flight design usually involves some choices compromises based own experiences very large BLSA. AB OIg/c3 2 A .AB 0 08 /cn0# 5 CtNr2 re --40 2 101 1k 50 2 w w t96 rq- pir A5Ror0L s-rQr ISA aoL4o j LU g/cm tDcB & Ouvrajor 1-IANfl LLtNCH GLD 72& iOUNG ONLXt b~AW P0IANU 93 flrAwCtr& 9u o t4fl~ kJEYn 2AQz~ October 1995 109 Use carbon-fiber wing spars allows Eric Johnson build long thin Coupe wing adequate stiffness PIASTeC kJfl Iz IBkor wrE Szrif0N 1 1 C 4 4o eIand Model Supply Co iCVRA559HIO MIL2T OLD TIMER SUPPLIES COILS CONDENSERS PLUGS SILK QUALITY DOPE BRUSHES 5 & 7 LOOP 114 GUM BANDS TRANSISTOR IGNITION SYSTEMS RESISTOR HI TENSION LEADS 112A TEXACO PLAYBOY SR KIT MAIL OR PHONE 619 728-4365 VISA /MC WELCOME NO COD MINIMUM ORDER S1OOO PLUS 280-square-inch wing Coupe Eric has made right choice bigger lightly-loaded model might have outglided Erics Inever could get thing up very far So Eric has opted best possible climb probably best choice several reasons Thermals bigger higher up fast-climbing model less affected wind ground turbulence important its fun outclimb other models specs Eric Johnsons Dream Catcher 543/4-inch-span wing uses balsa D-box carbon-fiber top bottom spars trailing edge also carbon fiber airfoil modified Andriukov 6% thicknessThe tiplets wing built-up measure 12/I x 1/2 inches one-inch-diameter motor tube rolled balsa Tyvek inside tissue outside boom also rolled balsa tissue outside overall length 36/ inches Eric uses 12 strands II drive pair Champion Coupe blades wing tissue covered tail covered Mylar version flies right-left using auto surfaces followup model now works will use auto stab rudder all-up weight including 10gram motor locating transmitter 82 grams Little Star pages Vol Libre comes high-aspect-ratio hand-launched glider intended younger modeler Note designer Jerzy Kaczorek has eliminated troublesome center dihedral joint effect made flat wing sheet balsa tiplets dimensions millimeters should easy scale up Let know get flying subscribe Vol Libre contact Peter Brocks 313 Lynchburg Dr Newport News VA 23606 newsletter published six times year French English subtitles n Giants p Promote mw - CompetitiveI iEJEfI ying Large RIC Air Crafti II IMAA membership includes quarterly magazine High Flight I MEMBERSHIP APPLICATiON l NEW IJ RENEWAL Date19I Yearly Dues$1500 USA $2000 US Canada & Mexico $3000 US ElsewhereI Make CHECK MONEY ORDER Payable INTERNATIONAL MINIAUJRE AIRCRAFT ASSOCIATION INC I Name _________________________________________ Phone ___________________________ Street ______________________________________ P0 Box/Route Box ________________ City ___________________State/Province ________________Zip _________________ IAMA Number ________ MAAC ________Chapter _______ IMAA _______________________ L TO IMAA Secretary DON E VINEYARD 2055 HilIdole Road na KS 67401 m 110 Model Aviation DS WIDEST VARIETY OF AUTHENTIC FLYING B* MODELCjA185 * / ///ONLY SMALL ASSORT REGULAR INSTOCA PLANS GET JB TAMODS SAMEDAY SERVICE WORLDS MOST AUTHENTIC MODEL PLANSALL PATTERNS INCLUDED ERUBERRYIDREE NUMB I DR ER1116 53 I/B EDlIE BR ID BR SSDLBDFPLDRB ETA ISPELOPT OPT 3ILDHV CDDS SaSG225232 53266S44.I3256H 40VULEUGE CDEE U4U2U52035$266U545 ISCLR JN4UJRDTY2151832524655388~513~ii 56SLADUDEd JL OR2252232S3V65545 29ADSD TapDDWLngUS514224S2U155346O48 9U562 36URDSUDU ETRaDARE2551U32452125538LVV552I 35GDLR U46-A UGER235243L532GBS46~ 7- 29UDDLOB IOU IRDESLS5L622I$24455369U562 33SLUT TELmALDE3U535455369U5S212U5T5I-C~ 39LUAk LL6LLDEBP382Th5193952678545 39CDT P35A ULASSDUD515285205653L~ L12558 25ABC CYDO USAU/AU852U2U52V54544I72SS6LUSS68 38CDV CASLDa PAYSA 525LA 2856241141 US -- U9UDYSUND NCA *629566945D9j U7UD66RE U USE145122U5U51UU53U84549 31DDylTB GERARM1145121245141355324254 70556 U3ApRDTLLRE1VR S6U155UU22455314445266US38189S52 35GrAD OAUUGDD6LL9524I4SUL3538GUILE ULLN 35LDC6 LURSSTA AlL22525153255538LACk UUDA 54 3GRAD EVRCARD TUE3US2810 53V[UO552UDRA 3M 4T6 42ADD AlTO FLyUUDC5154577552ADD 8170 54 38G. ALISGSRIU 8253655375555251 125 56 34YEASCLCDDSDLERC72LSNSIS235224S9535MRS U D26 6 37CDT GUVY $030U195U828 52452S35SCUD S TEU 4 25C AUSRD 53C-L Sl11515US 52093535ADdlyPUAS 6 34STUD TRADER UC-3L754V7US5UTDUD DC-3 6 33CADS ADDLE 66 B1S4 515234522L7545 1U 32UDDUISSERD ODRUU1245271893223753549546 74558 31lAD UL83&4 P1281S516220520444532594544 89558 32SERBIA UDESDAg1305152U52U4U53253S44 80558 328DDADA ILERMULIR10451215451531526' 52-545 34TILESREB 451 LLDSRr13512U945163952852R$IU 28552 35ADD MR TEDILUBDD1651523452U4253264544 94556 33ADR P264 UDA UDA145U52152U4253263545 84558 35SSLDDDD TLEL 58720051631952552545V25SS1B3TGS 42D8 MODNUISA ADDS37j5244153581SSU11I8565- REUEUT UTI *15518244522953498059 43N 816 8iUDD PSI3354U9455099575 3VTARTS 8DLED TRD131451321451843S36185Bs51 42CUDILAIDDSD2C42552537453574564~ 26UDDA TEUDDED ALT38-538575481I572I 31ADILUDDA liD DDD3252248S3095552 UDD 32U AUSIT194528295401585557245681 27C UTADUDLE U7CI12451823452 I47538[635501 9515 2851k ALEPSIS S3U35534S4542UOVT36~ 16APAR 0400 DALEC50 5452555GTW~. 31CiDdys LAIDLUD21515310522635362D2 31VUDDEA 6ACPRSRLUSIl1551530530L 50542 31C STaDODLE U9C21245151952238535524558 25558 33URDOUSA C3 UPS185102751453s52s~ L 2505 38TADURED UDDIA GA12s51s1155253753I3S4UI 75555 /3UDUGS OILYR20551830s5260453V1EICDUD15UDCADE READ BEFORE ORDERING DER B' RDSCALE11232 SIZE PLAN * ER SORT TO ADD TYTUSIAL YAILABLE AT ONE DOLLAR 10 FOE FUCEAGING YOST. 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