Radio Control HEL IC OP TERS Larry Jolly THE FIRST ANNUAL West Coast Radio Control Helicopter Fly-In held Oc tober 22-23 Merced CA best chopper get-togethers Ive ever attended Saturday open fun-fly scheduled Sunday manufacturers representatives took air demonstrate individual machines know various ways judge success event way look Fly-In winner Chuck Winter acted CD members Merced County Radio Control Club hand keep everything running smoothly have no large Helicopter contests Califor nia several years WCRCHH could start great annual regional contest course fun-fly surprised find Saturday over 60 registered fliers nearly 100 machines field spectators everywhere What impressed ability potential RC chopper pilot view ma chines action go over individual manufacturers tables discuss models firsthand Im quite sure will lot new folks coming out visiting Chuck crew result festive occasion exciting exhibitions WCRCHFI European Helicopter cham pion Ewald Heim action have read about Mr Heim years European pub lications have noted has done quite well Euro-cups kind like mini-World Champs Would lieve Ewald has won four consecutive Euro-cups own-design machine calls Star-Ranger first visit United States am glad got see him fly Ewald Heim can things Star-Ranger would have thought possible vertical rolling dives prefectly-radiused pullouts level flight true master hope see him fly again sometime seemed like manufacturers something new show Ill now discuss American RC Helicopters Jack Simone plus George Curtis Crocker hand showing demonstrating flying abilities Americans Super Mantis discussions American RC understand will soon able set Mantis up flexible-shaft tail rotor drive stead standard drive belt Im sure made change Mantis seems operate well using belt drive shownbut soon availablewere Blue Thunder fuselages just like ships John Simone flew movie Contact Ameri can RC further details Cal fornia Model Imports Dave Sandra Robertson showing Kobe Kiko line RC Helicopters Dave flew Hughes 300 gas glow machines well new Robinson R-22 Robinson one-fifth-scale model popular light helicopter same name KK R-22 Continued page 146 Gorham Model Products Merced too L John Gorham offers new 40-50-size Cobrasn aerobatic machine due dealer about time read R part product-line display lineup Schiuter machines L Miniature Aircraft Supply two nearest camera new Superior design R Miniature Aircraft supplies new Super Boya Heliboy Superior rotor head tail rotor sports cut-down Superior canopy Fchrin IQRS LQ Sandra nson California Model Imports ready answer questions about line Kobe Kiko Helicopters importing new Robertson R-22 Scale machine closest atop table wing aileron flaperon have reckoned recall three-views Deckers model back December column youll note although wing tapers flaperon constant chord maintaining chord constant control surface problem almost solved say almost because assure proper thickness wing tip hinge line would extend would have widen chord control sur face would result undesired reverse-taper control surface Instead need increase thickness airfoil progressively towards wing tip specification sheetas issuedon Deckers bird misleading airfoil listed HQ 25-% modified True its modified really HQ 25-% mean ing wing starts out eightpercent section transitions ninepercent section tip change thickness along constant chord flaperon permitted use constantdiameter tubing perfect no-gap freely-moving control surface Heres another clever idea can use whether youre high-performance Sailplanes just eager clean up design next weekend flier youre about build fin rudder photo also Dohie fin merely folded sheet epoxy-treated fiberglass skin open ends joined together strip spruce about /4-in open edge finished rudder hinged two L-shaped wires can seen sticking out post supports elevators pivot-rod Another L-shaped wire epoxied bottom fuselage tail Action smooth again hinge line aerodynamically clean eagles tail experience scene photo hawks once-in-a-lifetime shot have Sailplane air camera ready same time would give odds-makers fits Well happened Tom Blood Geneva IL Tom furnished pic broadtail hawks stopped thermal over Fox Valley Aero Club field St Charles IL morning last September Tom estimated over 150 hawks counted talons divided eight scene After thermaling Metrick awhile hawks felt Tom safe enough alone disappeared west talked few bird fanciers aware hawks migrated such large numbers Any bird watchers out know better Good lift Dan Pruss 131 E Pennington Ln Plain field IL 60544 RC Pylon Racing/Hager Continued pacie 48 UPRC doesnt have fastest times country doesnt stop us having lot funwhich what flying should fun Next month get back props See Bill Hager 706 Glen Haven Dr Conroe lx 77302 RC Helicopters/Jolly Continued oaoe 49 has scale flybarless rotor head very teresting configuration Im hoping spot light R-22 future column Gorham Model Products John Robert US National Champ Gorham Ewald Heim Bob Hamilton Bill Curtis flying GMP fleet Joining Johns already extensive line Helicopters Heim Star-Ranger Watch report-in-depth next month GMP competitors air constantly right-side-up inverted doing Expert maneuvers have add Robert Gorhams Bob HamContinued page 148 146 Model Aviation HI THE NEW SUPER BELT HAND SANDER product can recommend confidence can buy satisfaction guaranteed $595A Good Value ART GROSS ENTERPRISES 33 12516 MAPLE WOOD AVE. EDMONDS WA 98O2O Matched rreormance ystem TOP PERFORMANCE K&R ENGINES Airplane 4 Marine K&B FUELSK&8 GLOW PLUGS 7 Blends4 choices Matched Finish System BEST APPEARANCE SB FIBtRGLASS CLOTH K&B Micrs-Ballssns FILLtR K&B SUPER POSY RESIN K&B SUPER POSY THINNER K&B SUPER POSY PRIMER K&B SUPER POXY PAINT K&B MIXING CUPS FULL LINE METAL SPECIALISTS RC Soaring/Pruss Continued fmm nnnn 143 VINTAGE R-C PLAN5 CONSOLIDATED PBY-5A CATALINA 9 FT WING SPAN ALL RIBS 8 FULL FORMERS SHOWN ON PLANS PLASTIC ENGCOWLS $ 990 PR CLEAR GUN BLISTERS $660 PR 4 LARGE PLAN SHEETS s $1695 GFT WING SPAN MODEL PBY-5A ENGINE COWLS 3 650 PR Plans $1295 GUN BLISTERS $ 450 PRADD 1250 POSTAGE CATALOG-OVER SOPLANS $100 DEALERS WRITE WORLD 0 WIDE SID MORGAN 13157 ORMOND BELLEVILLE MICH 48111 usA WING SPAN44 WING ARPAISA 55 II ENGINE15 WEIGHT30 lbs Balsa body loan SOSeling de cut rolled EIaos 2 5h HIGHLY AEROBATIC DESIGNED Walter Na Danruck Jr PEPPERMINT PATTIE 15 STINGER II CMASTER KJT Div BAR/RICH SALES CO 2 FAIRWAY HANNIBAL blO-E3451 314/221 8503 WING SPAN3Atr WING AREA 611550 0 ENGINE40 OIGHT bIOS balsa oOsIrayIiOe dre Cat tOrlIlOls ribs 2sbls loll size Elans Good grOsyd llaOdIinA senIle landiog good 11101 FULLY AEROBATIC HOT WIRE FOAM CUTTER ATTENTION CRATOII BUILDERS cuttitig foam wings floats turtle decks iy model parts made foam sts over 7 foot wing span Aluminum bow design Cuts ultra smooth Operates 12 volt motorcycle lottery Instructions 19 orgrderdoecl Otnbot Hawk PO lox 221 Mt Morris MI 48458 RC Helicopters/Jolly inhngrnA paqe 146 iltons autorotations helipad best have ever seen impromptu autorotation contest held towards end fly-in Robert Bob put three con secutive autorotation landings three ft-diameter helipadin word 'In credible Also shown flown new GMP Cobra ball fire scaled-down Competitor engine sizes 40-50 All-up weight 6/s lb havent gotten chance fly Cobra yet am anxious fly cute little skyrocket asked Bob Hamilton Cobra handled smiled said Youll like Anyway rest us can expect see Cobra dealers shelf just after first year Miniature Aircraft Supply Walt Schoonard Ernie Huber ready demonstrateand answer questions aboutthe Schluter line especially newest release Superior chance fly Merced very im pressed think Superior going prove itself very positive factor RC Helicopter scene Walt also showed demonstrated what calls Super Boy Heliboy Superior head tail rotor combination looks very good should popular retrofit Heliboys around country further formation contact Miniature Aircraft Sup ply P40 CARD KIT I5,/4FtJLL COLOR EXACT REPRODUCTION s/iNow $OOREMEMBER HOW qfNONWELL THEY FLEW Speolol off InOled. zoseon 10 recolnlng set haB edo. Bend 5fFBte MOdBPO Boo 82 mt RO.nIII MI 480dB BNIOBC NOBTALOIc OIFY PAW DIESELS Englands Finest 049 29 New low low prices Send $100 list Eric Clutton 3816 DeSoto Ave Fart Myers Florida 33905 Questions audience Keep questions photos coming par ticular question has general interest will publish column youd like get picture model column Id prefer send glossy black white photos usually reproduce better color prints send slides Until next month remember youre flying 500 MAh flight pack keep down six flights charge never run gyro off same pack radio BCNU Larry Jolly 5501 W Como Santa Ana CA 92703 RC Giant Scale/Beckman Continued naae 51 shutter speed set can now make final exposure setting changing aperture until meter indication correct however hidden trap meter made measure light relation assumed average picture Since talking about models flight going have much sky picture average meter going think lots light result perfectly exposed picture some sky dark underexposed model middle despair ways around easiest thing to simply set aperture meter says overexposing sky portion will over exposed cares long get model right much overexpose something youre just going have learn experience since will vary brightness background Another way handle know going taking lot pictures against sky set meter lower-speed film actually using fools meter thinking needs light compensates light background fact exactly what backlighting compensation control automatic camera doing have automatic camera cantor dont want toput Manual youll have keep some other things mind Most automatic cameras aperture-preferred means set aperture want camera automatically sets shutter speed Thats just opposite what want unless camera shutter-preferred youre going have fudge view finder display should show what shutter speed camera setting itself watching changing aperture can get set up Vsoo shutter speed want Now know recommend Manual mode operation camera ready take pictures lets talk about what pictures take biggest mistake taking picture plane too far away wonder ing came out little dot print Just because can see plane its movements quite distance doesnt mean youll get good picture First camera cannot see well eye can Details model can see appreciate quite distance will lost camera Second fac tor motion adds great deal lost still picture useful interesting subject picturethe modelmust occupy large portion picture area back ground adds interest plane can little 10% total against plain sky should least 25%and prefer ably should obvious now takeoffs landings close fly-bys going give 200mm lens going have close action reason always ask permission go out flight line pilots am covering Giant Scale Fly-In can print own pictures have little leeway since can enlarge portion picture con tains model helps up point however because enlarging also en larges grain emulsion nega tive picture quality drops off rapidly have depend commercial print ing youre going have make sure original shot see viewContinued page 150 148 Model Aviation
Edition: Model Aviation - 1984/02
Page Numbers: 49, 142, 144
Radio Control HEL IC OP TERS Larry Jolly THE FIRST ANNUAL West Coast Radio Control Helicopter Fly-In held Oc tober 22-23 Merced CA best chopper get-togethers Ive ever attended Saturday open fun-fly scheduled Sunday manufacturers representatives took air demonstrate individual machines know various ways judge success event way look Fly-In winner Chuck Winter acted CD members Merced County Radio Control Club hand keep everything running smoothly have no large Helicopter contests Califor nia several years WCRCHH could start great annual regional contest course fun-fly surprised find Saturday over 60 registered fliers nearly 100 machines field spectators everywhere What impressed ability potential RC chopper pilot view ma chines action go over individual manufacturers tables discuss models firsthand Im quite sure will lot new folks coming out visiting Chuck crew result festive occasion exciting exhibitions WCRCHFI European Helicopter cham pion Ewald Heim action have read about Mr Heim years European pub lications have noted has done quite well Euro-cups kind like mini-World Champs Would lieve Ewald has won four consecutive Euro-cups own-design machine calls Star-Ranger first visit United States am glad got see him fly Ewald Heim can things Star-Ranger would have thought possible vertical rolling dives prefectly-radiused pullouts level flight true master hope see him fly again sometime seemed like manufacturers something new show Ill now discuss American RC Helicopters Jack Simone plus George Curtis Crocker hand showing demonstrating flying abilities Americans Super Mantis discussions American RC understand will soon able set Mantis up flexible-shaft tail rotor drive stead standard drive belt Im sure made change Mantis seems operate well using belt drive shownbut soon availablewere Blue Thunder fuselages just like ships John Simone flew movie Contact Ameri can RC further details Cal fornia Model Imports Dave Sandra Robertson showing Kobe Kiko line RC Helicopters Dave flew Hughes 300 gas glow machines well new Robinson R-22 Robinson one-fifth-scale model popular light helicopter same name KK R-22 Continued page 146 Gorham Model Products Merced too L John Gorham offers new 40-50-size Cobrasn aerobatic machine due dealer about time read R part product-line display lineup Schiuter machines L Miniature Aircraft Supply two nearest camera new Superior design R Miniature Aircraft supplies new Super Boya Heliboy Superior rotor head tail rotor sports cut-down Superior canopy Fchrin IQRS LQ Sandra nson California Model Imports ready answer questions about line Kobe Kiko Helicopters importing new Robertson R-22 Scale machine closest atop table wing aileron flaperon have reckoned recall three-views Deckers model back December column youll note although wing tapers flaperon constant chord maintaining chord constant control surface problem almost solved say almost because assure proper thickness wing tip hinge line would extend would have widen chord control sur face would result undesired reverse-taper control surface Instead need increase thickness airfoil progressively towards wing tip specification sheetas issuedon Deckers bird misleading airfoil listed HQ 25-% modified True its modified really HQ 25-% mean ing wing starts out eightpercent section transitions ninepercent section tip change thickness along constant chord flaperon permitted use constantdiameter tubing perfect no-gap freely-moving control surface Heres another clever idea can use whether youre high-performance Sailplanes just eager clean up design next weekend flier youre about build fin rudder photo also Dohie fin merely folded sheet epoxy-treated fiberglass skin open ends joined together strip spruce about /4-in open edge finished rudder hinged two L-shaped wires can seen sticking out post supports elevators pivot-rod Another L-shaped wire epoxied bottom fuselage tail Action smooth again hinge line aerodynamically clean eagles tail experience scene photo hawks once-in-a-lifetime shot have Sailplane air camera ready same time would give odds-makers fits Well happened Tom Blood Geneva IL Tom furnished pic broadtail hawks stopped thermal over Fox Valley Aero Club field St Charles IL morning last September Tom estimated over 150 hawks counted talons divided eight scene After thermaling Metrick awhile hawks felt Tom safe enough alone disappeared west talked few bird fanciers aware hawks migrated such large numbers Any bird watchers out know better Good lift Dan Pruss 131 E Pennington Ln Plain field IL 60544 RC Pylon Racing/Hager Continued pacie 48 UPRC doesnt have fastest times country doesnt stop us having lot funwhich what flying should fun Next month get back props See Bill Hager 706 Glen Haven Dr Conroe lx 77302 RC Helicopters/Jolly Continued oaoe 49 has scale flybarless rotor head very teresting configuration Im hoping spot light R-22 future column Gorham Model Products John Robert US National Champ Gorham Ewald Heim Bob Hamilton Bill Curtis flying GMP fleet Joining Johns already extensive line Helicopters Heim Star-Ranger Watch report-in-depth next month GMP competitors air constantly right-side-up inverted doing Expert maneuvers have add Robert Gorhams Bob HamContinued page 148 146 Model Aviation HI THE NEW SUPER BELT HAND SANDER product can recommend confidence can buy satisfaction guaranteed $595A Good Value ART GROSS ENTERPRISES 33 12516 MAPLE WOOD AVE. EDMONDS WA 98O2O Matched rreormance ystem TOP PERFORMANCE K&R ENGINES Airplane 4 Marine K&B FUELSK&8 GLOW PLUGS 7 Blends4 choices Matched Finish System BEST APPEARANCE SB FIBtRGLASS CLOTH K&B Micrs-Ballssns FILLtR K&B SUPER POSY RESIN K&B SUPER POSY THINNER K&B SUPER POSY PRIMER K&B SUPER POXY PAINT K&B MIXING CUPS FULL LINE METAL SPECIALISTS RC Soaring/Pruss Continued fmm nnnn 143 VINTAGE R-C PLAN5 CONSOLIDATED PBY-5A CATALINA 9 FT WING SPAN ALL RIBS 8 FULL FORMERS SHOWN ON PLANS PLASTIC ENGCOWLS $ 990 PR CLEAR GUN BLISTERS $660 PR 4 LARGE PLAN SHEETS s $1695 GFT WING SPAN MODEL PBY-5A ENGINE COWLS 3 650 PR Plans $1295 GUN BLISTERS $ 450 PRADD 1250 POSTAGE CATALOG-OVER SOPLANS $100 DEALERS WRITE WORLD 0 WIDE SID MORGAN 13157 ORMOND BELLEVILLE MICH 48111 usA WING SPAN44 WING ARPAISA 55 II ENGINE15 WEIGHT30 lbs Balsa body loan SOSeling de cut rolled EIaos 2 5h HIGHLY AEROBATIC DESIGNED Walter Na Danruck Jr PEPPERMINT PATTIE 15 STINGER II CMASTER KJT Div BAR/RICH SALES CO 2 FAIRWAY HANNIBAL blO-E3451 314/221 8503 WING SPAN3Atr WING AREA 611550 0 ENGINE40 OIGHT bIOS balsa oOsIrayIiOe dre Cat tOrlIlOls ribs 2sbls loll size Elans Good grOsyd llaOdIinA senIle landiog good 11101 FULLY AEROBATIC HOT WIRE FOAM CUTTER ATTENTION CRATOII BUILDERS cuttitig foam wings floats turtle decks iy model parts made foam sts over 7 foot wing span Aluminum bow design Cuts ultra smooth Operates 12 volt motorcycle lottery Instructions 19 orgrderdoecl Otnbot Hawk PO lox 221 Mt Morris MI 48458 RC Helicopters/Jolly inhngrnA paqe 146 iltons autorotations helipad best have ever seen impromptu autorotation contest held towards end fly-in Robert Bob put three con secutive autorotation landings three ft-diameter helipadin word 'In credible Also shown flown new GMP Cobra ball fire scaled-down Competitor engine sizes 40-50 All-up weight 6/s lb havent gotten chance fly Cobra yet am anxious fly cute little skyrocket asked Bob Hamilton Cobra handled smiled said Youll like Anyway rest us can expect see Cobra dealers shelf just after first year Miniature Aircraft Supply Walt Schoonard Ernie Huber ready demonstrateand answer questions aboutthe Schluter line especially newest release Superior chance fly Merced very im pressed think Superior going prove itself very positive factor RC Helicopter scene Walt also showed demonstrated what calls Super Boy Heliboy Superior head tail rotor combination looks very good should popular retrofit Heliboys around country further formation contact Miniature Aircraft Sup ply P40 CARD KIT I5,/4FtJLL COLOR EXACT REPRODUCTION s/iNow $OOREMEMBER HOW qfNONWELL THEY FLEW Speolol off InOled. zoseon 10 recolnlng set haB edo. Bend 5fFBte MOdBPO Boo 82 mt RO.nIII MI 480dB BNIOBC NOBTALOIc OIFY PAW DIESELS Englands Finest 049 29 New low low prices Send $100 list Eric Clutton 3816 DeSoto Ave Fart Myers Florida 33905 Questions audience Keep questions photos coming par ticular question has general interest will publish column youd like get picture model column Id prefer send glossy black white photos usually reproduce better color prints send slides Until next month remember youre flying 500 MAh flight pack keep down six flights charge never run gyro off same pack radio BCNU Larry Jolly 5501 W Como Santa Ana CA 92703 RC Giant Scale/Beckman Continued naae 51 shutter speed set can now make final exposure setting changing aperture until meter indication correct however hidden trap meter made measure light relation assumed average picture Since talking about models flight going have much sky picture average meter going think lots light result perfectly exposed picture some sky dark underexposed model middle despair ways around easiest thing to simply set aperture meter says overexposing sky portion will over exposed cares long get model right much overexpose something youre just going have learn experience since will vary brightness background Another way handle know going taking lot pictures against sky set meter lower-speed film actually using fools meter thinking needs light compensates light background fact exactly what backlighting compensation control automatic camera doing have automatic camera cantor dont want toput Manual youll have keep some other things mind Most automatic cameras aperture-preferred means set aperture want camera automatically sets shutter speed Thats just opposite what want unless camera shutter-preferred youre going have fudge view finder display should show what shutter speed camera setting itself watching changing aperture can get set up Vsoo shutter speed want Now know recommend Manual mode operation camera ready take pictures lets talk about what pictures take biggest mistake taking picture plane too far away wonder ing came out little dot print Just because can see plane its movements quite distance doesnt mean youll get good picture First camera cannot see well eye can Details model can see appreciate quite distance will lost camera Second fac tor motion adds great deal lost still picture useful interesting subject picturethe modelmust occupy large portion picture area back ground adds interest plane can little 10% total against plain sky should least 25%and prefer ably should obvious now takeoffs landings close fly-bys going give 200mm lens going have close action reason always ask permission go out flight line pilots am covering Giant Scale Fly-In can print own pictures have little leeway since can enlarge portion picture con tains model helps up point however because enlarging also en larges grain emulsion nega tive picture quality drops off rapidly have depend commercial print ing youre going have make sure original shot see viewContinued page 150 148 Model Aviation
Edition: Model Aviation - 1984/02
Page Numbers: 49, 142, 144
Radio Control HEL IC OP TERS Larry Jolly THE FIRST ANNUAL West Coast Radio Control Helicopter Fly-In held Oc tober 22-23 Merced CA best chopper get-togethers Ive ever attended Saturday open fun-fly scheduled Sunday manufacturers representatives took air demonstrate individual machines know various ways judge success event way look Fly-In winner Chuck Winter acted CD members Merced County Radio Control Club hand keep everything running smoothly have no large Helicopter contests Califor nia several years WCRCHH could start great annual regional contest course fun-fly surprised find Saturday over 60 registered fliers nearly 100 machines field spectators everywhere What impressed ability potential RC chopper pilot view ma chines action go over individual manufacturers tables discuss models firsthand Im quite sure will lot new folks coming out visiting Chuck crew result festive occasion exciting exhibitions WCRCHFI European Helicopter cham pion Ewald Heim action have read about Mr Heim years European pub lications have noted has done quite well Euro-cups kind like mini-World Champs Would lieve Ewald has won four consecutive Euro-cups own-design machine calls Star-Ranger first visit United States am glad got see him fly Ewald Heim can things Star-Ranger would have thought possible vertical rolling dives prefectly-radiused pullouts level flight true master hope see him fly again sometime seemed like manufacturers something new show Ill now discuss American RC Helicopters Jack Simone plus George Curtis Crocker hand showing demonstrating flying abilities Americans Super Mantis discussions American RC understand will soon able set Mantis up flexible-shaft tail rotor drive stead standard drive belt Im sure made change Mantis seems operate well using belt drive shownbut soon availablewere Blue Thunder fuselages just like ships John Simone flew movie Contact Ameri can RC further details Cal fornia Model Imports Dave Sandra Robertson showing Kobe Kiko line RC Helicopters Dave flew Hughes 300 gas glow machines well new Robinson R-22 Robinson one-fifth-scale model popular light helicopter same name KK R-22 Continued page 146 Gorham Model Products Merced too L John Gorham offers new 40-50-size Cobrasn aerobatic machine due dealer about time read R part product-line display lineup Schiuter machines L Miniature Aircraft Supply two nearest camera new Superior design R Miniature Aircraft supplies new Super Boya Heliboy Superior rotor head tail rotor sports cut-down Superior canopy Fchrin IQRS LQ Sandra nson California Model Imports ready answer questions about line Kobe Kiko Helicopters importing new Robertson R-22 Scale machine closest atop table wing aileron flaperon have reckoned recall three-views Deckers model back December column youll note although wing tapers flaperon constant chord maintaining chord constant control surface problem almost solved say almost because assure proper thickness wing tip hinge line would extend would have widen chord control sur face would result undesired reverse-taper control surface Instead need increase thickness airfoil progressively towards wing tip specification sheetas issuedon Deckers bird misleading airfoil listed HQ 25-% modified True its modified really HQ 25-% mean ing wing starts out eightpercent section transitions ninepercent section tip change thickness along constant chord flaperon permitted use constantdiameter tubing perfect no-gap freely-moving control surface Heres another clever idea can use whether youre high-performance Sailplanes just eager clean up design next weekend flier youre about build fin rudder photo also Dohie fin merely folded sheet epoxy-treated fiberglass skin open ends joined together strip spruce about /4-in open edge finished rudder hinged two L-shaped wires can seen sticking out post supports elevators pivot-rod Another L-shaped wire epoxied bottom fuselage tail Action smooth again hinge line aerodynamically clean eagles tail experience scene photo hawks once-in-a-lifetime shot have Sailplane air camera ready same time would give odds-makers fits Well happened Tom Blood Geneva IL Tom furnished pic broadtail hawks stopped thermal over Fox Valley Aero Club field St Charles IL morning last September Tom estimated over 150 hawks counted talons divided eight scene After thermaling Metrick awhile hawks felt Tom safe enough alone disappeared west talked few bird fanciers aware hawks migrated such large numbers Any bird watchers out know better Good lift Dan Pruss 131 E Pennington Ln Plain field IL 60544 RC Pylon Racing/Hager Continued pacie 48 UPRC doesnt have fastest times country doesnt stop us having lot funwhich what flying should fun Next month get back props See Bill Hager 706 Glen Haven Dr Conroe lx 77302 RC Helicopters/Jolly Continued oaoe 49 has scale flybarless rotor head very teresting configuration Im hoping spot light R-22 future column Gorham Model Products John Robert US National Champ Gorham Ewald Heim Bob Hamilton Bill Curtis flying GMP fleet Joining Johns already extensive line Helicopters Heim Star-Ranger Watch report-in-depth next month GMP competitors air constantly right-side-up inverted doing Expert maneuvers have add Robert Gorhams Bob HamContinued page 148 146 Model Aviation HI THE NEW SUPER BELT HAND SANDER product can recommend confidence can buy satisfaction guaranteed $595A Good Value ART GROSS ENTERPRISES 33 12516 MAPLE WOOD AVE. EDMONDS WA 98O2O Matched rreormance ystem TOP PERFORMANCE K&R ENGINES Airplane 4 Marine K&B FUELSK&8 GLOW PLUGS 7 Blends4 choices Matched Finish System BEST APPEARANCE SB FIBtRGLASS CLOTH K&B Micrs-Ballssns FILLtR K&B SUPER POSY RESIN K&B SUPER POSY THINNER K&B SUPER POSY PRIMER K&B SUPER POXY PAINT K&B MIXING CUPS FULL LINE METAL SPECIALISTS RC Soaring/Pruss Continued fmm nnnn 143 VINTAGE R-C PLAN5 CONSOLIDATED PBY-5A CATALINA 9 FT WING SPAN ALL RIBS 8 FULL FORMERS SHOWN ON PLANS PLASTIC ENGCOWLS $ 990 PR CLEAR GUN BLISTERS $660 PR 4 LARGE PLAN SHEETS s $1695 GFT WING SPAN MODEL PBY-5A ENGINE COWLS 3 650 PR Plans $1295 GUN BLISTERS $ 450 PRADD 1250 POSTAGE CATALOG-OVER SOPLANS $100 DEALERS WRITE WORLD 0 WIDE SID MORGAN 13157 ORMOND BELLEVILLE MICH 48111 usA WING SPAN44 WING ARPAISA 55 II ENGINE15 WEIGHT30 lbs Balsa body loan SOSeling de cut rolled EIaos 2 5h HIGHLY AEROBATIC DESIGNED Walter Na Danruck Jr PEPPERMINT PATTIE 15 STINGER II CMASTER KJT Div BAR/RICH SALES CO 2 FAIRWAY HANNIBAL blO-E3451 314/221 8503 WING SPAN3Atr WING AREA 611550 0 ENGINE40 OIGHT bIOS balsa oOsIrayIiOe dre Cat tOrlIlOls ribs 2sbls loll size Elans Good grOsyd llaOdIinA senIle landiog good 11101 FULLY AEROBATIC HOT WIRE FOAM CUTTER ATTENTION CRATOII BUILDERS cuttitig foam wings floats turtle decks iy model parts made foam sts over 7 foot wing span Aluminum bow design Cuts ultra smooth Operates 12 volt motorcycle lottery Instructions 19 orgrderdoecl Otnbot Hawk PO lox 221 Mt Morris MI 48458 RC Helicopters/Jolly inhngrnA paqe 146 iltons autorotations helipad best have ever seen impromptu autorotation contest held towards end fly-in Robert Bob put three con secutive autorotation landings three ft-diameter helipadin word 'In credible Also shown flown new GMP Cobra ball fire scaled-down Competitor engine sizes 40-50 All-up weight 6/s lb havent gotten chance fly Cobra yet am anxious fly cute little skyrocket asked Bob Hamilton Cobra handled smiled said Youll like Anyway rest us can expect see Cobra dealers shelf just after first year Miniature Aircraft Supply Walt Schoonard Ernie Huber ready demonstrateand answer questions aboutthe Schluter line especially newest release Superior chance fly Merced very im pressed think Superior going prove itself very positive factor RC Helicopter scene Walt also showed demonstrated what calls Super Boy Heliboy Superior head tail rotor combination looks very good should popular retrofit Heliboys around country further formation contact Miniature Aircraft Sup ply P40 CARD KIT I5,/4FtJLL COLOR EXACT REPRODUCTION s/iNow $OOREMEMBER HOW qfNONWELL THEY FLEW Speolol off InOled. zoseon 10 recolnlng set haB edo. Bend 5fFBte MOdBPO Boo 82 mt RO.nIII MI 480dB BNIOBC NOBTALOIc OIFY PAW DIESELS Englands Finest 049 29 New low low prices Send $100 list Eric Clutton 3816 DeSoto Ave Fart Myers Florida 33905 Questions audience Keep questions photos coming par ticular question has general interest will publish column youd like get picture model column Id prefer send glossy black white photos usually reproduce better color prints send slides Until next month remember youre flying 500 MAh flight pack keep down six flights charge never run gyro off same pack radio BCNU Larry Jolly 5501 W Como Santa Ana CA 92703 RC Giant Scale/Beckman Continued naae 51 shutter speed set can now make final exposure setting changing aperture until meter indication correct however hidden trap meter made measure light relation assumed average picture Since talking about models flight going have much sky picture average meter going think lots light result perfectly exposed picture some sky dark underexposed model middle despair ways around easiest thing to simply set aperture meter says overexposing sky portion will over exposed cares long get model right much overexpose something youre just going have learn experience since will vary brightness background Another way handle know going taking lot pictures against sky set meter lower-speed film actually using fools meter thinking needs light compensates light background fact exactly what backlighting compensation control automatic camera doing have automatic camera cantor dont want toput Manual youll have keep some other things mind Most automatic cameras aperture-preferred means set aperture want camera automatically sets shutter speed Thats just opposite what want unless camera shutter-preferred youre going have fudge view finder display should show what shutter speed camera setting itself watching changing aperture can get set up Vsoo shutter speed want Now know recommend Manual mode operation camera ready take pictures lets talk about what pictures take biggest mistake taking picture plane too far away wonder ing came out little dot print Just because can see plane its movements quite distance doesnt mean youll get good picture First camera cannot see well eye can Details model can see appreciate quite distance will lost camera Second fac tor motion adds great deal lost still picture useful interesting subject picturethe modelmust occupy large portion picture area back ground adds interest plane can little 10% total against plain sky should least 25%and prefer ably should obvious now takeoffs landings close fly-bys going give 200mm lens going have close action reason always ask permission go out flight line pilots am covering Giant Scale Fly-In can print own pictures have little leeway since can enlarge portion picture con tains model helps up point however because enlarging also en larges grain emulsion nega tive picture quality drops off rapidly have depend commercial print ing youre going have make sure original shot see viewContinued page 150 148 Model Aviation