RADIO CONTROL SLOPE SOARING HAVE YOU HAD good couple months flying slope hope summer season Tn-Cities has provided exceptionally good winds coming different directions filled thermals Need say has great fun sloping 85-degrees-plus temperatures Also first North American Scale Soaring Association NASSA Rally hosted July 24 25 attracting some super Scale models well some great people Ill get later Now however Im wondering what has happening slope soaring site during past summer season yeah know its winter now its cold sit staring computer writing August 8 90 degrees Drop line let Model Aviation share fun its readers Youll discover sharing almost much fun flying Rob Smith has done just think youll enjoy reading what has say Rob fellow sloper Moses Lake Washington area approximately 70 miles north Tri-Cities quite hilly Tn-Cities nonetheless has some pretty good sites Rob fellow fliers have exploring fun slope soaring wind light yet ship cruises face slope effortlessly decide bring around landing suddenly lose model plummets instant makes contact old Mother Earth walk over pick up brush off dust grass After quick inspection lift wind toss over edge fun What possibly could survive kind abuse yet fly again Rubber Duck Rubber Duck flying-wing slope soarer offered Steve Hinderks Duck interesting model almost entirely made dense foam rubbera material responsible resilience robustness airplane must admit skeptical opened box Inside found two wing halves fuselage prebent pushrods cemented wing halves together contact cement installed 3/ birch dowel serves spar attached fuse wing Radio installation snap standard size radio fits snugly precut holes foam rubber fuse elevons already installed though Rubber Duck uses elevons radio mixing capabilities isnt needed Steve has incorporated clever mechanical mixer works well Rubber Duck also precolored no finishing necessary Duck weighed 19 ounces wing loading approximately seven ounces per square foot Finally wind arrived headed out slope maiden flight After rechecking controls threw Rubber Duck off edge 8-10 mph wind couple clicks trim Duck flying smoothly stall straight ahead recovery quick light wind did have work hard keep airplane altitude real problem Rubber Duck developed attempted some high-speed passes aerobatics wing would twist birch spar causing Duck abruptly turn direction Mr Hinderks mentioned directions glue ends spar tiplets failed Using little UFO CyA did just seemed solve problem made flights also shared Duck fellow flier equally impressed its abilities amazing thing airplane can actually practice landings slope fear hurting would land pick Duck up immediately launch again dont know other slope ships can airplane does respond command inputs well will go pointed does remain stable did manage occasion however break Rubber Duck Actually tore nose crash little glue back flying 110 Model Aviation Sorranos F-15 punches lift Greco Technologies recently developed 60-inch Hurricane Slope Racer Wings hot flyby thing missing obechi over white foam 60-inch class rapidly gaining popularity flames afterburnerl Carl Bises fiberglass Flugel DG-600 slowly passes overhead Note Carl lowered flaps slow model down shot could taken condition no time have never flown flying wing before does take little getting used orientation its shape air seems strange have no tailfeathers out back dont worry wilt get used no time As understand Rubber Duck available RFR ready radio form means can get slope much faster version available wing colors red yellow blue black tiplets fuselage Cost around $40 feel very reasonable degree prefabrication Dont expect Rubber Duck have blistering speed precision aerobatics because thats what meant What does well provide fun durable quick-building airframe its great having worry about brealdng airplane therefore ruining great day flying Unfortunately have lot good strong winds lately could further evaluate flying abilities Duck winds over 15 mph thing am sure though Rubber Duck would make great airplane checking out slopes not-so-great landing areas like engage combat Thanks Rob Im sure Duck gives chance evaluate lift Steve Hinderks heads up business end Birdworks Rumor has Birdworks will produce Albatros slopes ideal landing sites celebrate some ffin flying Besides like idea having model just throw car whatever trip option little flying site should pop up horizon further information contact Birdworks PO Box 1302 Port Orford OR 97465 Tel 503 332-0194 Greco Technologies also sent letter introducing newly-released Hurricane 60-inch slope racer havent heard 60-inch slope racing becoming really Tony Elliot won Pilots Choice award -Scale Pilatus B-4 scratchbuilt flying surfaces Airfoil Month Eppler E-203 Should good section large Scale gliders substantial wing loading popular California very similar other forms slope racing except model size limited 60-inch wingspan advantage race model requires less investment Unlimited class racer disadvantage 60inch racer quite fast full-blown Unlimited racer ballasted FAI limit Continued page 128 March1994 111 YES THE TWIN-AIR 20 IS HERE AT LAST YES THE TWiN-AIR 20 REALLY CAN BE CONTROLLED ON JUST ONE ENGINE YES THE TWINAIR 20 OFFERS THE SAME HIGH QUALITY PERFOR MANCE EASE OF FINING AND HANDLING AEROBATIC CAPABIU TIES FUN TO BUILD AND FUN TO FLY FEATURES FOUND IN ALL NORTHEAST AERODYNAMIC KITS THE TRAIN-AIRS BEL-AIRS AND SPORT AIR YES IVS FROM . NORTHEAST AERODYNAMICS INC 4 NORTHEAST AERODYNAMICS INC 150 ROBINSON ROAD ON NH 03051 881-5899 Specifications Engine Requirement -Two 20-30 Wing Span 58 Wing Area 625 Sq 434 Sq Fuselage Length -43 Fuselage Width 35 Overall Weight Range 55 65 pounds Wing Loading Range 195 239 Sq Ft Radio Functions -4 Channel Camcorder Computer Cellular & Cordless Phones Batteries Gell Cells Lithium & Motorola Batteries Custom Battery Packs Authorized SA$YO Distributor STANDARD S2llCAPACITY ImAhIDIA HTWEIGHT Iozl PRICE N-SOAAA1/3AM503945910128 200 N-11OAA1/3M1105516500208150 N150NN15045311220328175 N-200AAAMA20039417200355200 N-270AA2/3M27055111610508150 N-600MM60054319450928150 N650SC1/2SUBC65086610161028300 KR-1300SCSUBC130086616541708 250 KR-2000CC200099219292478 450 KD-4400DD4400127223625308 800 HIGH CAPACITY N225AE 1/3A225 650 642042 300 KR600AE 2/3A600 6501094077 K1800ME 5431949005 250 KR1000AE 4/SA1000 6501654109 300 KR1100AAE 7/SM1100 5432530100 350 KR1200AE 0 6501909100 350 KR1400AE 0 6501909109 400 KR1700AE 4/3A1700 6502598140 KR1800SCE SUBC1800 8661654165 350 KR2800CE 0 9921929275 600 KR5000DEL 012722299528 895 FAST CHARGE N800AR 6501909116$ 300 Ni OCR2/3SUBC1000 8661299144 350 NL400SCR SUBC14008661654187 N1700SCRCSUBC17008661654190500 Specify Solder Tabs FREE Charge MATCHEDMATCHEDMATCHED PACKS PACKS PACKS 4N-5OAM$89512954N-O00AR$129516954KR15000C513951795 4N-11OM$79511954KR1000AE$129516954KR-18000CE$18002200 4N150N$ 895 12954KR1100ME$1795 21954N-1400SCR$1700 2100 4N-200AM$ 895 12954KR1200AE$1395 17954N-1700SCRC$1995 2395 4N-225AE$1295 16954KR1400AE$1695 20954KR2000C$2000 2400 4N-270M$ 795 11954KR-1700AE$1995 23954KR4480D$3400 3800 4N600M$ 89512954N-6505C .$139517954KR5O00DEL$42004600 4KR AAE$119515954N-10000CR$15951995 4KR-600AE$109514954KR-1300SC$11951595 S CELL RECEIYER PACKS order 6 volt Battery Pack add cost single cell 4 Cell Battery Pack FUTABAJ$400AIRTRONICS $400 FUIABAG$400JR/HITEC$400 MATCHEDMATCHED PACKS PACKS 8N600M$1595 19958N600M . 2 sticks 3 5 1995 8KR800MEirowofOM$2000 24008KRO00AAE1 sOck 2$2000 2400 2000 24009KR AAE volt2200 2600 2 square$1595 19959N600M3sticksof3 2200 p 6volt12AH$1200l2volt7OAII$1995 TNR Technical Inc 279 Douglas Avenue monte Springs FL 32714 682-4311 8003460601 Add $400 shipping & handling IAV 7% sales tax/or 17orida residentx rv 407 682-4469 DEALERS INQUIRIES WELCOME house know cause planes stored garage packs cold during winter months Flying usually returns normal second flight charge because pack will warm up first-flight use So youre up flying winter chill confident Electric too Besides flying fun can have can also enjoy chuckle watching wetpower crowd trying clean cold semi-solid glop planes days flying done So ends another column Please include SASE correspondence youd like reply Happy Electric landings everyone snow whatever lope SoaringlByors Continued page 111 Nonetheless 60-inch racing has gained popularity Greco has stepped offer model well-suited racers needs Greco s Jerilyn Schmidt sent press release documenting some Hurricanes features racer quick build inexpensive durable exactly what want whether racing slope pushing outside edge performance envelope aerobatic maneuvers wings made precision-cut white foam precut Obechi sheeting fast building Hurricane also employs composite materials added strength wing top-mounted straight wing single taper use flaperons allow great maneuverability 5D8000 fast turns well both characteristics important racing low drag high speeds good sink rate performance airfoil gives diversity fuselage built up balsa V-tail keep weight down Both have machine-cut easy assembly ship requires four channel microreceiver three microservosone servo tail servo wing specifications ship wingspan 60 inches wing area 345 inches fuselage length 31 inches weight 16 ounces wing loading 67 ounces per square foot root chord 75 inches tip chord 4 inches aspect ratio 1041 110 V tail Listed Price $80 information about Hurricane Grecos other kits please write PO Box 10 South Pasadena CA 91031 call 213 680-2070 during standard business hours Thanks Jerilyn sharing news Grecos Hurricane racers Model Aviation readers havent tried racing maybe now time get 60inch racer enter competition Continued page 134 128 Model Aviation BAlTERY STORE RC Slope SoaringlByors Continued page 128 beginning column mentioned 1993 NASSA Rally As some may already know NASSA dedicated furthering Scale soaring North America generate enthusiasm NASSA members hosting Scale soaring events throughout North America Also NASSA hosts annual Scale rally promoting event will move around North America sponsoring club getting support event association being first year rally didnt go far home started Eagle Butte Richland Washington attracted good number entrants brought gaggle Scale gliders various vintages including Power Slope Scale models winds superb entire week prior event Saturday However early Sunday Morning winds died down didnt come back until late afternoon No matter fliers able keep models aloft climbing models ranged excellent Power Slope Scale example form Messerschmitt 109 pick Pilots Choicea -scale Pilatus B-4 sum up flying event Carl Bice Lake Worth Florida heard say number occasions love place Attendees think may have flown brains out left smile So went home happyisnt what flying supposed about have number pictures share wont use up too much column text Hope enjoy photos interested joining supporting efforts NASSA send $10 name address AMA number NASSA PO Box 4267 W Richland WA 99352 Good Book last quick note before get months airfoil just read extremely enjoyable book rather aged soaring pilot Mr Robert Moore Bobas likes calledhas around some 72 years started soaring age 17 after having spent year building primary glider learn fly 1938 Bob has soaring form fashion ever since Bob currently piloting PIK-20E motor glider around country hopes continue quite few years After Bob retired decided document life mostly soaring book As Knew Him delightful book about man first love soaring successful career PhD chemist yarns spins about soaring joy read actually tears joy points found tales soaring adventures can never hope experience age high technology super-soaring all-composite 60 1 soaring wonders Bobs adventures history wish could have experienced So enjoy soaringand surely wouldnt have read far column didntyou may want send Bob $11 fun-filled adventurous autobiography Send request Mr Robert Moore Route 1 Box 5238 W Richland WA 99352 Airfoil Month E-203 collection sections Dr Eppler developed large high-aspect-ratio Scale gliders E-203 137% thick has quite wide drag bucket knee bends over rather smoothly Its CM0 -00867 B 0 What CMO Well pitching moment airfoil pitching moment measure rotation force section about its chord expressed foot-pounds C expressed feet Therefore CM0 coefficient moment airfoil measured airfoil producing zero lift moment negative airfoil negative pitching other words wants pitch down other hand positive pitching wants pitch up Also note quantity measured airfoil has angle attack results zero lift production So simply stated good airfoil flying wing would positive pitching airfoil However airfoil has large negative CM0 would require tail volume tail moment appropriate moment coefficient Note too B section angle attack referenced X axis C zero Anyway E-203 should good section large Scale gliders carry substantial wing loading has used quite successfully number scale models However recommended models loaded 10ounces-per-square-foot-or less-range statistics section can obtained MTB book number two Try let know what think calelBoss Continued page 133 appearance commercially-made pinned nylon hinge very reliable properly installed provides easy movement control surfaces hinge installed cutting slots surfaces joined epoxy applied hinge slot hinge pushed slots set aside harden problem can encountered procedure epoxy can gum up hinge allowed get pin area Bob says can avoided using little melted wax Melt small amount wax hinge folded back holding two hinge flanges between fingers dip pinned portion hinge wax Before wax cools straighten hinge flat wax helps protect pin barrel hinge getting gummed up epoxy provides some lubrication Since epoxy will stick wax-covered area careful keep wax barrel portion hinge Bob noted regardless type hinge used control surfaces should made move freely smooth trouble-free flying Contest Activity Jim Swope Long Beach California reported Fourth Annual Knights Round Circle contest took place Whittier Narrows Regional Park South Elmonte California Included annual affair CL Profile Sport Scale events directed Morrie Leventhal Fred Cronenwettone columns prolific contributors placed first both events Fred flew electronically controlled P-S 1 Mustang placing second Sport Grant Heistand no model reported Profile John Wright Michael McCarthy Merle Morhing placed behind Fred Don Hutchinson flew Stearman John Wright fine-looking Nieuport 28 Merle Morhing flew P2V Neptune Both events will offered again next Knights Joust scheduled June 11 12 1994 will held again Whittier Narrows Regional Park Best Scale what get Bob Holmans latest Scale dream book plans kits semi-kits accessories catalog lists plans accessories Brian Taylor Dennis Bryantboth British Scale Team members yearsas well Mick Reeves Mike Smart Thorpe Bros Mike Booth Most Brian Taylor model plans have spans 50- 72-inch range making excellent candidates Control Line Scale projects Accessory kits include formed cowls canopies former rib kits also available plans Mechanical retracts shock stints also available Taylor models Holman also has several other catalogs available list plans scale drawings published British German magazines Send SASE Bob Holman Plans PO Box 741 San Bernardino CA 92402 listing full description cost available catalogs Please send ideas notices upcoming CL Scale events contest reports especially photos CL Scale activity address very top column Model Aviation
Edition: Model Aviation - 1994/03
Page Numbers: 110, 111, 128, 134
RADIO CONTROL SLOPE SOARING HAVE YOU HAD good couple months flying slope hope summer season Tn-Cities has provided exceptionally good winds coming different directions filled thermals Need say has great fun sloping 85-degrees-plus temperatures Also first North American Scale Soaring Association NASSA Rally hosted July 24 25 attracting some super Scale models well some great people Ill get later Now however Im wondering what has happening slope soaring site during past summer season yeah know its winter now its cold sit staring computer writing August 8 90 degrees Drop line let Model Aviation share fun its readers Youll discover sharing almost much fun flying Rob Smith has done just think youll enjoy reading what has say Rob fellow sloper Moses Lake Washington area approximately 70 miles north Tri-Cities quite hilly Tn-Cities nonetheless has some pretty good sites Rob fellow fliers have exploring fun slope soaring wind light yet ship cruises face slope effortlessly decide bring around landing suddenly lose model plummets instant makes contact old Mother Earth walk over pick up brush off dust grass After quick inspection lift wind toss over edge fun What possibly could survive kind abuse yet fly again Rubber Duck Rubber Duck flying-wing slope soarer offered Steve Hinderks Duck interesting model almost entirely made dense foam rubbera material responsible resilience robustness airplane must admit skeptical opened box Inside found two wing halves fuselage prebent pushrods cemented wing halves together contact cement installed 3/ birch dowel serves spar attached fuse wing Radio installation snap standard size radio fits snugly precut holes foam rubber fuse elevons already installed though Rubber Duck uses elevons radio mixing capabilities isnt needed Steve has incorporated clever mechanical mixer works well Rubber Duck also precolored no finishing necessary Duck weighed 19 ounces wing loading approximately seven ounces per square foot Finally wind arrived headed out slope maiden flight After rechecking controls threw Rubber Duck off edge 8-10 mph wind couple clicks trim Duck flying smoothly stall straight ahead recovery quick light wind did have work hard keep airplane altitude real problem Rubber Duck developed attempted some high-speed passes aerobatics wing would twist birch spar causing Duck abruptly turn direction Mr Hinderks mentioned directions glue ends spar tiplets failed Using little UFO CyA did just seemed solve problem made flights also shared Duck fellow flier equally impressed its abilities amazing thing airplane can actually practice landings slope fear hurting would land pick Duck up immediately launch again dont know other slope ships can airplane does respond command inputs well will go pointed does remain stable did manage occasion however break Rubber Duck Actually tore nose crash little glue back flying 110 Model Aviation Sorranos F-15 punches lift Greco Technologies recently developed 60-inch Hurricane Slope Racer Wings hot flyby thing missing obechi over white foam 60-inch class rapidly gaining popularity flames afterburnerl Carl Bises fiberglass Flugel DG-600 slowly passes overhead Note Carl lowered flaps slow model down shot could taken condition no time have never flown flying wing before does take little getting used orientation its shape air seems strange have no tailfeathers out back dont worry wilt get used no time As understand Rubber Duck available RFR ready radio form means can get slope much faster version available wing colors red yellow blue black tiplets fuselage Cost around $40 feel very reasonable degree prefabrication Dont expect Rubber Duck have blistering speed precision aerobatics because thats what meant What does well provide fun durable quick-building airframe its great having worry about brealdng airplane therefore ruining great day flying Unfortunately have lot good strong winds lately could further evaluate flying abilities Duck winds over 15 mph thing am sure though Rubber Duck would make great airplane checking out slopes not-so-great landing areas like engage combat Thanks Rob Im sure Duck gives chance evaluate lift Steve Hinderks heads up business end Birdworks Rumor has Birdworks will produce Albatros slopes ideal landing sites celebrate some ffin flying Besides like idea having model just throw car whatever trip option little flying site should pop up horizon further information contact Birdworks PO Box 1302 Port Orford OR 97465 Tel 503 332-0194 Greco Technologies also sent letter introducing newly-released Hurricane 60-inch slope racer havent heard 60-inch slope racing becoming really Tony Elliot won Pilots Choice award -Scale Pilatus B-4 scratchbuilt flying surfaces Airfoil Month Eppler E-203 Should good section large Scale gliders substantial wing loading popular California very similar other forms slope racing except model size limited 60-inch wingspan advantage race model requires less investment Unlimited class racer disadvantage 60inch racer quite fast full-blown Unlimited racer ballasted FAI limit Continued page 128 March1994 111 YES THE TWIN-AIR 20 IS HERE AT LAST YES THE TWiN-AIR 20 REALLY CAN BE CONTROLLED ON JUST ONE ENGINE YES THE TWINAIR 20 OFFERS THE SAME HIGH QUALITY PERFOR MANCE EASE OF FINING AND HANDLING AEROBATIC CAPABIU TIES FUN TO BUILD AND FUN TO FLY FEATURES FOUND IN ALL NORTHEAST AERODYNAMIC KITS THE TRAIN-AIRS BEL-AIRS AND SPORT AIR YES IVS FROM . NORTHEAST AERODYNAMICS INC 4 NORTHEAST AERODYNAMICS INC 150 ROBINSON ROAD ON NH 03051 881-5899 Specifications Engine Requirement -Two 20-30 Wing Span 58 Wing Area 625 Sq 434 Sq Fuselage Length -43 Fuselage Width 35 Overall Weight Range 55 65 pounds Wing Loading Range 195 239 Sq Ft Radio Functions -4 Channel Camcorder Computer Cellular & Cordless Phones Batteries Gell Cells Lithium & Motorola Batteries Custom Battery Packs Authorized SA$YO Distributor STANDARD S2llCAPACITY ImAhIDIA HTWEIGHT Iozl PRICE N-SOAAA1/3AM503945910128 200 N-11OAA1/3M1105516500208150 N150NN15045311220328175 N-200AAAMA20039417200355200 N-270AA2/3M27055111610508150 N-600MM60054319450928150 N650SC1/2SUBC65086610161028300 KR-1300SCSUBC130086616541708 250 KR-2000CC200099219292478 450 KD-4400DD4400127223625308 800 HIGH CAPACITY N225AE 1/3A225 650 642042 300 KR600AE 2/3A600 6501094077 K1800ME 5431949005 250 KR1000AE 4/SA1000 6501654109 300 KR1100AAE 7/SM1100 5432530100 350 KR1200AE 0 6501909100 350 KR1400AE 0 6501909109 400 KR1700AE 4/3A1700 6502598140 KR1800SCE SUBC1800 8661654165 350 KR2800CE 0 9921929275 600 KR5000DEL 012722299528 895 FAST CHARGE N800AR 6501909116$ 300 Ni OCR2/3SUBC1000 8661299144 350 NL400SCR SUBC14008661654187 N1700SCRCSUBC17008661654190500 Specify Solder Tabs FREE Charge MATCHEDMATCHEDMATCHED PACKS PACKS PACKS 4N-5OAM$89512954N-O00AR$129516954KR15000C513951795 4N-11OM$79511954KR1000AE$129516954KR-18000CE$18002200 4N150N$ 895 12954KR1100ME$1795 21954N-1400SCR$1700 2100 4N-200AM$ 895 12954KR1200AE$1395 17954N-1700SCRC$1995 2395 4N-225AE$1295 16954KR1400AE$1695 20954KR2000C$2000 2400 4N-270M$ 795 11954KR-1700AE$1995 23954KR4480D$3400 3800 4N600M$ 89512954N-6505C .$139517954KR5O00DEL$42004600 4KR AAE$119515954N-10000CR$15951995 4KR-600AE$109514954KR-1300SC$11951595 S CELL RECEIYER PACKS order 6 volt Battery Pack add cost single cell 4 Cell Battery Pack FUTABAJ$400AIRTRONICS $400 FUIABAG$400JR/HITEC$400 MATCHEDMATCHED PACKS PACKS 8N600M$1595 19958N600M . 2 sticks 3 5 1995 8KR800MEirowofOM$2000 24008KRO00AAE1 sOck 2$2000 2400 2000 24009KR AAE volt2200 2600 2 square$1595 19959N600M3sticksof3 2200 p 6volt12AH$1200l2volt7OAII$1995 TNR Technical Inc 279 Douglas Avenue monte Springs FL 32714 682-4311 8003460601 Add $400 shipping & handling IAV 7% sales tax/or 17orida residentx rv 407 682-4469 DEALERS INQUIRIES WELCOME house know cause planes stored garage packs cold during winter months Flying usually returns normal second flight charge because pack will warm up first-flight use So youre up flying winter chill confident Electric too Besides flying fun can have can also enjoy chuckle watching wetpower crowd trying clean cold semi-solid glop planes days flying done So ends another column Please include SASE correspondence youd like reply Happy Electric landings everyone snow whatever lope SoaringlByors Continued page 111 Nonetheless 60-inch racing has gained popularity Greco has stepped offer model well-suited racers needs Greco s Jerilyn Schmidt sent press release documenting some Hurricanes features racer quick build inexpensive durable exactly what want whether racing slope pushing outside edge performance envelope aerobatic maneuvers wings made precision-cut white foam precut Obechi sheeting fast building Hurricane also employs composite materials added strength wing top-mounted straight wing single taper use flaperons allow great maneuverability 5D8000 fast turns well both characteristics important racing low drag high speeds good sink rate performance airfoil gives diversity fuselage built up balsa V-tail keep weight down Both have machine-cut easy assembly ship requires four channel microreceiver three microservosone servo tail servo wing specifications ship wingspan 60 inches wing area 345 inches fuselage length 31 inches weight 16 ounces wing loading 67 ounces per square foot root chord 75 inches tip chord 4 inches aspect ratio 1041 110 V tail Listed Price $80 information about Hurricane Grecos other kits please write PO Box 10 South Pasadena CA 91031 call 213 680-2070 during standard business hours Thanks Jerilyn sharing news Grecos Hurricane racers Model Aviation readers havent tried racing maybe now time get 60inch racer enter competition Continued page 134 128 Model Aviation BAlTERY STORE RC Slope SoaringlByors Continued page 128 beginning column mentioned 1993 NASSA Rally As some may already know NASSA dedicated furthering Scale soaring North America generate enthusiasm NASSA members hosting Scale soaring events throughout North America Also NASSA hosts annual Scale rally promoting event will move around North America sponsoring club getting support event association being first year rally didnt go far home started Eagle Butte Richland Washington attracted good number entrants brought gaggle Scale gliders various vintages including Power Slope Scale models winds superb entire week prior event Saturday However early Sunday Morning winds died down didnt come back until late afternoon No matter fliers able keep models aloft climbing models ranged excellent Power Slope Scale example form Messerschmitt 109 pick Pilots Choicea -scale Pilatus B-4 sum up flying event Carl Bice Lake Worth Florida heard say number occasions love place Attendees think may have flown brains out left smile So went home happyisnt what flying supposed about have number pictures share wont use up too much column text Hope enjoy photos interested joining supporting efforts NASSA send $10 name address AMA number NASSA PO Box 4267 W Richland WA 99352 Good Book last quick note before get months airfoil just read extremely enjoyable book rather aged soaring pilot Mr Robert Moore Bobas likes calledhas around some 72 years started soaring age 17 after having spent year building primary glider learn fly 1938 Bob has soaring form fashion ever since Bob currently piloting PIK-20E motor glider around country hopes continue quite few years After Bob retired decided document life mostly soaring book As Knew Him delightful book about man first love soaring successful career PhD chemist yarns spins about soaring joy read actually tears joy points found tales soaring adventures can never hope experience age high technology super-soaring all-composite 60 1 soaring wonders Bobs adventures history wish could have experienced So enjoy soaringand surely wouldnt have read far column didntyou may want send Bob $11 fun-filled adventurous autobiography Send request Mr Robert Moore Route 1 Box 5238 W Richland WA 99352 Airfoil Month E-203 collection sections Dr Eppler developed large high-aspect-ratio Scale gliders E-203 137% thick has quite wide drag bucket knee bends over rather smoothly Its CM0 -00867 B 0 What CMO Well pitching moment airfoil pitching moment measure rotation force section about its chord expressed foot-pounds C expressed feet Therefore CM0 coefficient moment airfoil measured airfoil producing zero lift moment negative airfoil negative pitching other words wants pitch down other hand positive pitching wants pitch up Also note quantity measured airfoil has angle attack results zero lift production So simply stated good airfoil flying wing would positive pitching airfoil However airfoil has large negative CM0 would require tail volume tail moment appropriate moment coefficient Note too B section angle attack referenced X axis C zero Anyway E-203 should good section large Scale gliders carry substantial wing loading has used quite successfully number scale models However recommended models loaded 10ounces-per-square-foot-or less-range statistics section can obtained MTB book number two Try let know what think calelBoss Continued page 133 appearance commercially-made pinned nylon hinge very reliable properly installed provides easy movement control surfaces hinge installed cutting slots surfaces joined epoxy applied hinge slot hinge pushed slots set aside harden problem can encountered procedure epoxy can gum up hinge allowed get pin area Bob says can avoided using little melted wax Melt small amount wax hinge folded back holding two hinge flanges between fingers dip pinned portion hinge wax Before wax cools straighten hinge flat wax helps protect pin barrel hinge getting gummed up epoxy provides some lubrication Since epoxy will stick wax-covered area careful keep wax barrel portion hinge Bob noted regardless type hinge used control surfaces should made move freely smooth trouble-free flying Contest Activity Jim Swope Long Beach California reported Fourth Annual Knights Round Circle contest took place Whittier Narrows Regional Park South Elmonte California Included annual affair CL Profile Sport Scale events directed Morrie Leventhal Fred Cronenwettone columns prolific contributors placed first both events Fred flew electronically controlled P-S 1 Mustang placing second Sport Grant Heistand no model reported Profile John Wright Michael McCarthy Merle Morhing placed behind Fred Don Hutchinson flew Stearman John Wright fine-looking Nieuport 28 Merle Morhing flew P2V Neptune Both events will offered again next Knights Joust scheduled June 11 12 1994 will held again Whittier Narrows Regional Park Best Scale what get Bob Holmans latest Scale dream book plans kits semi-kits accessories catalog lists plans accessories Brian Taylor Dennis Bryantboth British Scale Team members yearsas well Mick Reeves Mike Smart Thorpe Bros Mike Booth Most Brian Taylor model plans have spans 50- 72-inch range making excellent candidates Control Line Scale projects Accessory kits include formed cowls canopies former rib kits also available plans Mechanical retracts shock stints also available Taylor models Holman also has several other catalogs available list plans scale drawings published British German magazines Send SASE Bob Holman Plans PO Box 741 San Bernardino CA 92402 listing full description cost available catalogs Please send ideas notices upcoming CL Scale events contest reports especially photos CL Scale activity address very top column Model Aviation
Edition: Model Aviation - 1994/03
Page Numbers: 110, 111, 128, 134
RADIO CONTROL SLOPE SOARING HAVE YOU HAD good couple months flying slope hope summer season Tn-Cities has provided exceptionally good winds coming different directions filled thermals Need say has great fun sloping 85-degrees-plus temperatures Also first North American Scale Soaring Association NASSA Rally hosted July 24 25 attracting some super Scale models well some great people Ill get later Now however Im wondering what has happening slope soaring site during past summer season yeah know its winter now its cold sit staring computer writing August 8 90 degrees Drop line let Model Aviation share fun its readers Youll discover sharing almost much fun flying Rob Smith has done just think youll enjoy reading what has say Rob fellow sloper Moses Lake Washington area approximately 70 miles north Tri-Cities quite hilly Tn-Cities nonetheless has some pretty good sites Rob fellow fliers have exploring fun slope soaring wind light yet ship cruises face slope effortlessly decide bring around landing suddenly lose model plummets instant makes contact old Mother Earth walk over pick up brush off dust grass After quick inspection lift wind toss over edge fun What possibly could survive kind abuse yet fly again Rubber Duck Rubber Duck flying-wing slope soarer offered Steve Hinderks Duck interesting model almost entirely made dense foam rubbera material responsible resilience robustness airplane must admit skeptical opened box Inside found two wing halves fuselage prebent pushrods cemented wing halves together contact cement installed 3/ birch dowel serves spar attached fuse wing Radio installation snap standard size radio fits snugly precut holes foam rubber fuse elevons already installed though Rubber Duck uses elevons radio mixing capabilities isnt needed Steve has incorporated clever mechanical mixer works well Rubber Duck also precolored no finishing necessary Duck weighed 19 ounces wing loading approximately seven ounces per square foot Finally wind arrived headed out slope maiden flight After rechecking controls threw Rubber Duck off edge 8-10 mph wind couple clicks trim Duck flying smoothly stall straight ahead recovery quick light wind did have work hard keep airplane altitude real problem Rubber Duck developed attempted some high-speed passes aerobatics wing would twist birch spar causing Duck abruptly turn direction Mr Hinderks mentioned directions glue ends spar tiplets failed Using little UFO CyA did just seemed solve problem made flights also shared Duck fellow flier equally impressed its abilities amazing thing airplane can actually practice landings slope fear hurting would land pick Duck up immediately launch again dont know other slope ships can airplane does respond command inputs well will go pointed does remain stable did manage occasion however break Rubber Duck Actually tore nose crash little glue back flying 110 Model Aviation Sorranos F-15 punches lift Greco Technologies recently developed 60-inch Hurricane Slope Racer Wings hot flyby thing missing obechi over white foam 60-inch class rapidly gaining popularity flames afterburnerl Carl Bises fiberglass Flugel DG-600 slowly passes overhead Note Carl lowered flaps slow model down shot could taken condition no time have never flown flying wing before does take little getting used orientation its shape air seems strange have no tailfeathers out back dont worry wilt get used no time As understand Rubber Duck available RFR ready radio form means can get slope much faster version available wing colors red yellow blue black tiplets fuselage Cost around $40 feel very reasonable degree prefabrication Dont expect Rubber Duck have blistering speed precision aerobatics because thats what meant What does well provide fun durable quick-building airframe its great having worry about brealdng airplane therefore ruining great day flying Unfortunately have lot good strong winds lately could further evaluate flying abilities Duck winds over 15 mph thing am sure though Rubber Duck would make great airplane checking out slopes not-so-great landing areas like engage combat Thanks Rob Im sure Duck gives chance evaluate lift Steve Hinderks heads up business end Birdworks Rumor has Birdworks will produce Albatros slopes ideal landing sites celebrate some ffin flying Besides like idea having model just throw car whatever trip option little flying site should pop up horizon further information contact Birdworks PO Box 1302 Port Orford OR 97465 Tel 503 332-0194 Greco Technologies also sent letter introducing newly-released Hurricane 60-inch slope racer havent heard 60-inch slope racing becoming really Tony Elliot won Pilots Choice award -Scale Pilatus B-4 scratchbuilt flying surfaces Airfoil Month Eppler E-203 Should good section large Scale gliders substantial wing loading popular California very similar other forms slope racing except model size limited 60-inch wingspan advantage race model requires less investment Unlimited class racer disadvantage 60inch racer quite fast full-blown Unlimited racer ballasted FAI limit Continued page 128 March1994 111 YES THE TWIN-AIR 20 IS HERE AT LAST YES THE TWiN-AIR 20 REALLY CAN BE CONTROLLED ON JUST ONE ENGINE YES THE TWINAIR 20 OFFERS THE SAME HIGH QUALITY PERFOR MANCE EASE OF FINING AND HANDLING AEROBATIC CAPABIU TIES FUN TO BUILD AND FUN TO FLY FEATURES FOUND IN ALL NORTHEAST AERODYNAMIC KITS THE TRAIN-AIRS BEL-AIRS AND SPORT AIR YES IVS FROM . NORTHEAST AERODYNAMICS INC 4 NORTHEAST AERODYNAMICS INC 150 ROBINSON ROAD ON NH 03051 881-5899 Specifications Engine Requirement -Two 20-30 Wing Span 58 Wing Area 625 Sq 434 Sq Fuselage Length -43 Fuselage Width 35 Overall Weight Range 55 65 pounds Wing Loading Range 195 239 Sq Ft Radio Functions -4 Channel Camcorder Computer Cellular & Cordless Phones Batteries Gell Cells Lithium & Motorola Batteries Custom Battery Packs Authorized SA$YO Distributor STANDARD S2llCAPACITY ImAhIDIA HTWEIGHT Iozl PRICE N-SOAAA1/3AM503945910128 200 N-11OAA1/3M1105516500208150 N150NN15045311220328175 N-200AAAMA20039417200355200 N-270AA2/3M27055111610508150 N-600MM60054319450928150 N650SC1/2SUBC65086610161028300 KR-1300SCSUBC130086616541708 250 KR-2000CC200099219292478 450 KD-4400DD4400127223625308 800 HIGH CAPACITY N225AE 1/3A225 650 642042 300 KR600AE 2/3A600 6501094077 K1800ME 5431949005 250 KR1000AE 4/SA1000 6501654109 300 KR1100AAE 7/SM1100 5432530100 350 KR1200AE 0 6501909100 350 KR1400AE 0 6501909109 400 KR1700AE 4/3A1700 6502598140 KR1800SCE SUBC1800 8661654165 350 KR2800CE 0 9921929275 600 KR5000DEL 012722299528 895 FAST CHARGE N800AR 6501909116$ 300 Ni OCR2/3SUBC1000 8661299144 350 NL400SCR SUBC14008661654187 N1700SCRCSUBC17008661654190500 Specify Solder Tabs FREE Charge MATCHEDMATCHEDMATCHED PACKS PACKS PACKS 4N-5OAM$89512954N-O00AR$129516954KR15000C513951795 4N-11OM$79511954KR1000AE$129516954KR-18000CE$18002200 4N150N$ 895 12954KR1100ME$1795 21954N-1400SCR$1700 2100 4N-200AM$ 895 12954KR1200AE$1395 17954N-1700SCRC$1995 2395 4N-225AE$1295 16954KR1400AE$1695 20954KR2000C$2000 2400 4N-270M$ 795 11954KR-1700AE$1995 23954KR4480D$3400 3800 4N600M$ 89512954N-6505C .$139517954KR5O00DEL$42004600 4KR AAE$119515954N-10000CR$15951995 4KR-600AE$109514954KR-1300SC$11951595 S CELL RECEIYER PACKS order 6 volt Battery Pack add cost single cell 4 Cell Battery Pack FUTABAJ$400AIRTRONICS $400 FUIABAG$400JR/HITEC$400 MATCHEDMATCHED PACKS PACKS 8N600M$1595 19958N600M . 2 sticks 3 5 1995 8KR800MEirowofOM$2000 24008KRO00AAE1 sOck 2$2000 2400 2000 24009KR AAE volt2200 2600 2 square$1595 19959N600M3sticksof3 2200 p 6volt12AH$1200l2volt7OAII$1995 TNR Technical Inc 279 Douglas Avenue monte Springs FL 32714 682-4311 8003460601 Add $400 shipping & handling IAV 7% sales tax/or 17orida residentx rv 407 682-4469 DEALERS INQUIRIES WELCOME house know cause planes stored garage packs cold during winter months Flying usually returns normal second flight charge because pack will warm up first-flight use So youre up flying winter chill confident Electric too Besides flying fun can have can also enjoy chuckle watching wetpower crowd trying clean cold semi-solid glop planes days flying done So ends another column Please include SASE correspondence youd like reply Happy Electric landings everyone snow whatever lope SoaringlByors Continued page 111 Nonetheless 60-inch racing has gained popularity Greco has stepped offer model well-suited racers needs Greco s Jerilyn Schmidt sent press release documenting some Hurricanes features racer quick build inexpensive durable exactly what want whether racing slope pushing outside edge performance envelope aerobatic maneuvers wings made precision-cut white foam precut Obechi sheeting fast building Hurricane also employs composite materials added strength wing top-mounted straight wing single taper use flaperons allow great maneuverability 5D8000 fast turns well both characteristics important racing low drag high speeds good sink rate performance airfoil gives diversity fuselage built up balsa V-tail keep weight down Both have machine-cut easy assembly ship requires four channel microreceiver three microservosone servo tail servo wing specifications ship wingspan 60 inches wing area 345 inches fuselage length 31 inches weight 16 ounces wing loading 67 ounces per square foot root chord 75 inches tip chord 4 inches aspect ratio 1041 110 V tail Listed Price $80 information about Hurricane Grecos other kits please write PO Box 10 South Pasadena CA 91031 call 213 680-2070 during standard business hours Thanks Jerilyn sharing news Grecos Hurricane racers Model Aviation readers havent tried racing maybe now time get 60inch racer enter competition Continued page 134 128 Model Aviation BAlTERY STORE RC Slope SoaringlByors Continued page 128 beginning column mentioned 1993 NASSA Rally As some may already know NASSA dedicated furthering Scale soaring North America generate enthusiasm NASSA members hosting Scale soaring events throughout North America Also NASSA hosts annual Scale rally promoting event will move around North America sponsoring club getting support event association being first year rally didnt go far home started Eagle Butte Richland Washington attracted good number entrants brought gaggle Scale gliders various vintages including Power Slope Scale models winds superb entire week prior event Saturday However early Sunday Morning winds died down didnt come back until late afternoon No matter fliers able keep models aloft climbing models ranged excellent Power Slope Scale example form Messerschmitt 109 pick Pilots Choicea -scale Pilatus B-4 sum up flying event Carl Bice Lake Worth Florida heard say number occasions love place Attendees think may have flown brains out left smile So went home happyisnt what flying supposed about have number pictures share wont use up too much column text Hope enjoy photos interested joining supporting efforts NASSA send $10 name address AMA number NASSA PO Box 4267 W Richland WA 99352 Good Book last quick note before get months airfoil just read extremely enjoyable book rather aged soaring pilot Mr Robert Moore Bobas likes calledhas around some 72 years started soaring age 17 after having spent year building primary glider learn fly 1938 Bob has soaring form fashion ever since Bob currently piloting PIK-20E motor glider around country hopes continue quite few years After Bob retired decided document life mostly soaring book As Knew Him delightful book about man first love soaring successful career PhD chemist yarns spins about soaring joy read actually tears joy points found tales soaring adventures can never hope experience age high technology super-soaring all-composite 60 1 soaring wonders Bobs adventures history wish could have experienced So enjoy soaringand surely wouldnt have read far column didntyou may want send Bob $11 fun-filled adventurous autobiography Send request Mr Robert Moore Route 1 Box 5238 W Richland WA 99352 Airfoil Month E-203 collection sections Dr Eppler developed large high-aspect-ratio Scale gliders E-203 137% thick has quite wide drag bucket knee bends over rather smoothly Its CM0 -00867 B 0 What CMO Well pitching moment airfoil pitching moment measure rotation force section about its chord expressed foot-pounds C expressed feet Therefore CM0 coefficient moment airfoil measured airfoil producing zero lift moment negative airfoil negative pitching other words wants pitch down other hand positive pitching wants pitch up Also note quantity measured airfoil has angle attack results zero lift production So simply stated good airfoil flying wing would positive pitching airfoil However airfoil has large negative CM0 would require tail volume tail moment appropriate moment coefficient Note too B section angle attack referenced X axis C zero Anyway E-203 should good section large Scale gliders carry substantial wing loading has used quite successfully number scale models However recommended models loaded 10ounces-per-square-foot-or less-range statistics section can obtained MTB book number two Try let know what think calelBoss Continued page 133 appearance commercially-made pinned nylon hinge very reliable properly installed provides easy movement control surfaces hinge installed cutting slots surfaces joined epoxy applied hinge slot hinge pushed slots set aside harden problem can encountered procedure epoxy can gum up hinge allowed get pin area Bob says can avoided using little melted wax Melt small amount wax hinge folded back holding two hinge flanges between fingers dip pinned portion hinge wax Before wax cools straighten hinge flat wax helps protect pin barrel hinge getting gummed up epoxy provides some lubrication Since epoxy will stick wax-covered area careful keep wax barrel portion hinge Bob noted regardless type hinge used control surfaces should made move freely smooth trouble-free flying Contest Activity Jim Swope Long Beach California reported Fourth Annual Knights Round Circle contest took place Whittier Narrows Regional Park South Elmonte California Included annual affair CL Profile Sport Scale events directed Morrie Leventhal Fred Cronenwettone columns prolific contributors placed first both events Fred flew electronically controlled P-S 1 Mustang placing second Sport Grant Heistand no model reported Profile John Wright Michael McCarthy Merle Morhing placed behind Fred Don Hutchinson flew Stearman John Wright fine-looking Nieuport 28 Merle Morhing flew P2V Neptune Both events will offered again next Knights Joust scheduled June 11 12 1994 will held again Whittier Narrows Regional Park Best Scale what get Bob Holmans latest Scale dream book plans kits semi-kits accessories catalog lists plans accessories Brian Taylor Dennis Bryantboth British Scale Team members yearsas well Mick Reeves Mike Smart Thorpe Bros Mike Booth Most Brian Taylor model plans have spans 50- 72-inch range making excellent candidates Control Line Scale projects Accessory kits include formed cowls canopies former rib kits also available plans Mechanical retracts shock stints also available Taylor models Holman also has several other catalogs available list plans scale drawings published British German magazines Send SASE Bob Holman Plans PO Box 741 San Bernardino CA 92402 listing full description cost available catalogs Please send ideas notices upcoming CL Scale events contest reports especially photos CL Scale activity address very top column Model Aviation
Edition: Model Aviation - 1994/03
Page Numbers: 110, 111, 128, 134
RADIO CONTROL SLOPE SOARING HAVE YOU HAD good couple months flying slope hope summer season Tn-Cities has provided exceptionally good winds coming different directions filled thermals Need say has great fun sloping 85-degrees-plus temperatures Also first North American Scale Soaring Association NASSA Rally hosted July 24 25 attracting some super Scale models well some great people Ill get later Now however Im wondering what has happening slope soaring site during past summer season yeah know its winter now its cold sit staring computer writing August 8 90 degrees Drop line let Model Aviation share fun its readers Youll discover sharing almost much fun flying Rob Smith has done just think youll enjoy reading what has say Rob fellow sloper Moses Lake Washington area approximately 70 miles north Tri-Cities quite hilly Tn-Cities nonetheless has some pretty good sites Rob fellow fliers have exploring fun slope soaring wind light yet ship cruises face slope effortlessly decide bring around landing suddenly lose model plummets instant makes contact old Mother Earth walk over pick up brush off dust grass After quick inspection lift wind toss over edge fun What possibly could survive kind abuse yet fly again Rubber Duck Rubber Duck flying-wing slope soarer offered Steve Hinderks Duck interesting model almost entirely made dense foam rubbera material responsible resilience robustness airplane must admit skeptical opened box Inside found two wing halves fuselage prebent pushrods cemented wing halves together contact cement installed 3/ birch dowel serves spar attached fuse wing Radio installation snap standard size radio fits snugly precut holes foam rubber fuse elevons already installed though Rubber Duck uses elevons radio mixing capabilities isnt needed Steve has incorporated clever mechanical mixer works well Rubber Duck also precolored no finishing necessary Duck weighed 19 ounces wing loading approximately seven ounces per square foot Finally wind arrived headed out slope maiden flight After rechecking controls threw Rubber Duck off edge 8-10 mph wind couple clicks trim Duck flying smoothly stall straight ahead recovery quick light wind did have work hard keep airplane altitude real problem Rubber Duck developed attempted some high-speed passes aerobatics wing would twist birch spar causing Duck abruptly turn direction Mr Hinderks mentioned directions glue ends spar tiplets failed Using little UFO CyA did just seemed solve problem made flights also shared Duck fellow flier equally impressed its abilities amazing thing airplane can actually practice landings slope fear hurting would land pick Duck up immediately launch again dont know other slope ships can airplane does respond command inputs well will go pointed does remain stable did manage occasion however break Rubber Duck Actually tore nose crash little glue back flying 110 Model Aviation Sorranos F-15 punches lift Greco Technologies recently developed 60-inch Hurricane Slope Racer Wings hot flyby thing missing obechi over white foam 60-inch class rapidly gaining popularity flames afterburnerl Carl Bises fiberglass Flugel DG-600 slowly passes overhead Note Carl lowered flaps slow model down shot could taken condition no time have never flown flying wing before does take little getting used orientation its shape air seems strange have no tailfeathers out back dont worry wilt get used no time As understand Rubber Duck available RFR ready radio form means can get slope much faster version available wing colors red yellow blue black tiplets fuselage Cost around $40 feel very reasonable degree prefabrication Dont expect Rubber Duck have blistering speed precision aerobatics because thats what meant What does well provide fun durable quick-building airframe its great having worry about brealdng airplane therefore ruining great day flying Unfortunately have lot good strong winds lately could further evaluate flying abilities Duck winds over 15 mph thing am sure though Rubber Duck would make great airplane checking out slopes not-so-great landing areas like engage combat Thanks Rob Im sure Duck gives chance evaluate lift Steve Hinderks heads up business end Birdworks Rumor has Birdworks will produce Albatros slopes ideal landing sites celebrate some ffin flying Besides like idea having model just throw car whatever trip option little flying site should pop up horizon further information contact Birdworks PO Box 1302 Port Orford OR 97465 Tel 503 332-0194 Greco Technologies also sent letter introducing newly-released Hurricane 60-inch slope racer havent heard 60-inch slope racing becoming really Tony Elliot won Pilots Choice award -Scale Pilatus B-4 scratchbuilt flying surfaces Airfoil Month Eppler E-203 Should good section large Scale gliders substantial wing loading popular California very similar other forms slope racing except model size limited 60-inch wingspan advantage race model requires less investment Unlimited class racer disadvantage 60inch racer quite fast full-blown Unlimited racer ballasted FAI limit Continued page 128 March1994 111 YES THE TWIN-AIR 20 IS HERE AT LAST YES THE TWiN-AIR 20 REALLY CAN BE CONTROLLED ON JUST ONE ENGINE YES THE TWINAIR 20 OFFERS THE SAME HIGH QUALITY PERFOR MANCE EASE OF FINING AND HANDLING AEROBATIC CAPABIU TIES FUN TO BUILD AND FUN TO FLY FEATURES FOUND IN ALL NORTHEAST AERODYNAMIC KITS THE TRAIN-AIRS BEL-AIRS AND SPORT AIR YES IVS FROM . NORTHEAST AERODYNAMICS INC 4 NORTHEAST AERODYNAMICS INC 150 ROBINSON ROAD ON NH 03051 881-5899 Specifications Engine Requirement -Two 20-30 Wing Span 58 Wing Area 625 Sq 434 Sq Fuselage Length -43 Fuselage Width 35 Overall Weight Range 55 65 pounds Wing Loading Range 195 239 Sq Ft Radio Functions -4 Channel Camcorder Computer Cellular & Cordless Phones Batteries Gell Cells Lithium & Motorola Batteries Custom Battery Packs Authorized SA$YO Distributor STANDARD S2llCAPACITY ImAhIDIA HTWEIGHT Iozl PRICE N-SOAAA1/3AM503945910128 200 N-11OAA1/3M1105516500208150 N150NN15045311220328175 N-200AAAMA20039417200355200 N-270AA2/3M27055111610508150 N-600MM60054319450928150 N650SC1/2SUBC65086610161028300 KR-1300SCSUBC130086616541708 250 KR-2000CC200099219292478 450 KD-4400DD4400127223625308 800 HIGH CAPACITY N225AE 1/3A225 650 642042 300 KR600AE 2/3A600 6501094077 K1800ME 5431949005 250 KR1000AE 4/SA1000 6501654109 300 KR1100AAE 7/SM1100 5432530100 350 KR1200AE 0 6501909100 350 KR1400AE 0 6501909109 400 KR1700AE 4/3A1700 6502598140 KR1800SCE SUBC1800 8661654165 350 KR2800CE 0 9921929275 600 KR5000DEL 012722299528 895 FAST CHARGE N800AR 6501909116$ 300 Ni OCR2/3SUBC1000 8661299144 350 NL400SCR SUBC14008661654187 N1700SCRCSUBC17008661654190500 Specify Solder Tabs FREE Charge MATCHEDMATCHEDMATCHED PACKS PACKS PACKS 4N-5OAM$89512954N-O00AR$129516954KR15000C513951795 4N-11OM$79511954KR1000AE$129516954KR-18000CE$18002200 4N150N$ 895 12954KR1100ME$1795 21954N-1400SCR$1700 2100 4N-200AM$ 895 12954KR1200AE$1395 17954N-1700SCRC$1995 2395 4N-225AE$1295 16954KR1400AE$1695 20954KR2000C$2000 2400 4N-270M$ 795 11954KR-1700AE$1995 23954KR4480D$3400 3800 4N600M$ 89512954N-6505C .$139517954KR5O00DEL$42004600 4KR AAE$119515954N-10000CR$15951995 4KR-600AE$109514954KR-1300SC$11951595 S CELL RECEIYER PACKS order 6 volt Battery Pack add cost single cell 4 Cell Battery Pack FUTABAJ$400AIRTRONICS $400 FUIABAG$400JR/HITEC$400 MATCHEDMATCHED PACKS PACKS 8N600M$1595 19958N600M . 2 sticks 3 5 1995 8KR800MEirowofOM$2000 24008KRO00AAE1 sOck 2$2000 2400 2000 24009KR AAE volt2200 2600 2 square$1595 19959N600M3sticksof3 2200 p 6volt12AH$1200l2volt7OAII$1995 TNR Technical Inc 279 Douglas Avenue monte Springs FL 32714 682-4311 8003460601 Add $400 shipping & handling IAV 7% sales tax/or 17orida residentx rv 407 682-4469 DEALERS INQUIRIES WELCOME house know cause planes stored garage packs cold during winter months Flying usually returns normal second flight charge because pack will warm up first-flight use So youre up flying winter chill confident Electric too Besides flying fun can have can also enjoy chuckle watching wetpower crowd trying clean cold semi-solid glop planes days flying done So ends another column Please include SASE correspondence youd like reply Happy Electric landings everyone snow whatever lope SoaringlByors Continued page 111 Nonetheless 60-inch racing has gained popularity Greco has stepped offer model well-suited racers needs Greco s Jerilyn Schmidt sent press release documenting some Hurricanes features racer quick build inexpensive durable exactly what want whether racing slope pushing outside edge performance envelope aerobatic maneuvers wings made precision-cut white foam precut Obechi sheeting fast building Hurricane also employs composite materials added strength wing top-mounted straight wing single taper use flaperons allow great maneuverability 5D8000 fast turns well both characteristics important racing low drag high speeds good sink rate performance airfoil gives diversity fuselage built up balsa V-tail keep weight down Both have machine-cut easy assembly ship requires four channel microreceiver three microservosone servo tail servo wing specifications ship wingspan 60 inches wing area 345 inches fuselage length 31 inches weight 16 ounces wing loading 67 ounces per square foot root chord 75 inches tip chord 4 inches aspect ratio 1041 110 V tail Listed Price $80 information about Hurricane Grecos other kits please write PO Box 10 South Pasadena CA 91031 call 213 680-2070 during standard business hours Thanks Jerilyn sharing news Grecos Hurricane racers Model Aviation readers havent tried racing maybe now time get 60inch racer enter competition Continued page 134 128 Model Aviation BAlTERY STORE RC Slope SoaringlByors Continued page 128 beginning column mentioned 1993 NASSA Rally As some may already know NASSA dedicated furthering Scale soaring North America generate enthusiasm NASSA members hosting Scale soaring events throughout North America Also NASSA hosts annual Scale rally promoting event will move around North America sponsoring club getting support event association being first year rally didnt go far home started Eagle Butte Richland Washington attracted good number entrants brought gaggle Scale gliders various vintages including Power Slope Scale models winds superb entire week prior event Saturday However early Sunday Morning winds died down didnt come back until late afternoon No matter fliers able keep models aloft climbing models ranged excellent Power Slope Scale example form Messerschmitt 109 pick Pilots Choicea -scale Pilatus B-4 sum up flying event Carl Bice Lake Worth Florida heard say number occasions love place Attendees think may have flown brains out left smile So went home happyisnt what flying supposed about have number pictures share wont use up too much column text Hope enjoy photos interested joining supporting efforts NASSA send $10 name address AMA number NASSA PO Box 4267 W Richland WA 99352 Good Book last quick note before get months airfoil just read extremely enjoyable book rather aged soaring pilot Mr Robert Moore Bobas likes calledhas around some 72 years started soaring age 17 after having spent year building primary glider learn fly 1938 Bob has soaring form fashion ever since Bob currently piloting PIK-20E motor glider around country hopes continue quite few years After Bob retired decided document life mostly soaring book As Knew Him delightful book about man first love soaring successful career PhD chemist yarns spins about soaring joy read actually tears joy points found tales soaring adventures can never hope experience age high technology super-soaring all-composite 60 1 soaring wonders Bobs adventures history wish could have experienced So enjoy soaringand surely wouldnt have read far column didntyou may want send Bob $11 fun-filled adventurous autobiography Send request Mr Robert Moore Route 1 Box 5238 W Richland WA 99352 Airfoil Month E-203 collection sections Dr Eppler developed large high-aspect-ratio Scale gliders E-203 137% thick has quite wide drag bucket knee bends over rather smoothly Its CM0 -00867 B 0 What CMO Well pitching moment airfoil pitching moment measure rotation force section about its chord expressed foot-pounds C expressed feet Therefore CM0 coefficient moment airfoil measured airfoil producing zero lift moment negative airfoil negative pitching other words wants pitch down other hand positive pitching wants pitch up Also note quantity measured airfoil has angle attack results zero lift production So simply stated good airfoil flying wing would positive pitching airfoil However airfoil has large negative CM0 would require tail volume tail moment appropriate moment coefficient Note too B section angle attack referenced X axis C zero Anyway E-203 should good section large Scale gliders carry substantial wing loading has used quite successfully number scale models However recommended models loaded 10ounces-per-square-foot-or less-range statistics section can obtained MTB book number two Try let know what think calelBoss Continued page 133 appearance commercially-made pinned nylon hinge very reliable properly installed provides easy movement control surfaces hinge installed cutting slots surfaces joined epoxy applied hinge slot hinge pushed slots set aside harden problem can encountered procedure epoxy can gum up hinge allowed get pin area Bob says can avoided using little melted wax Melt small amount wax hinge folded back holding two hinge flanges between fingers dip pinned portion hinge wax Before wax cools straighten hinge flat wax helps protect pin barrel hinge getting gummed up epoxy provides some lubrication Since epoxy will stick wax-covered area careful keep wax barrel portion hinge Bob noted regardless type hinge used control surfaces should made move freely smooth trouble-free flying Contest Activity Jim Swope Long Beach California reported Fourth Annual Knights Round Circle contest took place Whittier Narrows Regional Park South Elmonte California Included annual affair CL Profile Sport Scale events directed Morrie Leventhal Fred Cronenwettone columns prolific contributors placed first both events Fred flew electronically controlled P-S 1 Mustang placing second Sport Grant Heistand no model reported Profile John Wright Michael McCarthy Merle Morhing placed behind Fred Don Hutchinson flew Stearman John Wright fine-looking Nieuport 28 Merle Morhing flew P2V Neptune Both events will offered again next Knights Joust scheduled June 11 12 1994 will held again Whittier Narrows Regional Park Best Scale what get Bob Holmans latest Scale dream book plans kits semi-kits accessories catalog lists plans accessories Brian Taylor Dennis Bryantboth British Scale Team members yearsas well Mick Reeves Mike Smart Thorpe Bros Mike Booth Most Brian Taylor model plans have spans 50- 72-inch range making excellent candidates Control Line Scale projects Accessory kits include formed cowls canopies former rib kits also available plans Mechanical retracts shock stints also available Taylor models Holman also has several other catalogs available list plans scale drawings published British German magazines Send SASE Bob Holman Plans PO Box 741 San Bernardino CA 92402 listing full description cost available catalogs Please send ideas notices upcoming CL Scale events contest reports especially photos CL Scale activity address very top column Model Aviation