Control Line eroba tics Ted Fancher STRANGER strange land advantages being pilot big airline trips take cities am able visit friends share interest CL Stunt flying oc cured capability could allow expand circle such friends doing provide excellent grist monthly mill Model Aviation addition column could become forum whereby Stunters part country could get feeling whats happening elsewhere seemed like such good idea decided should invite invite visit Heres what have mind thought visit famous Model Aviation columnist intriguing drop line address noted end months article will start file names am assigned flight little corner world will give call make mutu ally-agreeable arrangements visit would suggest informal get-together local Stunt group perhaps over piz za somesuch weather per mitting good flying session two things should aware layovers general ly 24 hours less duration often dont know destination very far ad vance therefore notice apt short sounds like fun drop line stand back As case point month July visited Garden State New Jersey home Pro Stunt Headquarters some very best Stunt building flying world night before departure called Continued page 166 Pro Stunt ships New Jersey areaa hotbed Stunt activity US Gien Meadors Eagie L has unusually long wings wide flapsled in-flight folding extra-light structure helped too After repair youd never know failed Windy Urtnowski went over board lightweight structure 45 oL original ST 60-powered craft R features all-geodetic structures wing tail prefers slightly-heavier F-16 though Both models have superflnishes typical Pro Stunt conspiracy November 1984 69 Sanding parts probably neglected area craftsmanship modelers Ted uses bench-mounted homemade sanding tool get precise shaping parts automatic right angles flat surfaces tells make column Supertigre 60 powers Lou Dudkas Rampage plane designed Jim Greenway Ted got iy itgives pilots report month impressed engine PRODUCTS mm - Complete Line Exhaust Systems * Tuned Pipes led Tuned Pipes * Headers uri Mufflers Expansion Mufflers copter Ball Mufflers ialized Exhaust Systems Unsurpassed Wnkmanshjn b Performance would little 5/2-in wide Sketch-B shows typical location tapes wing rudder Application tapes pre-doped surface rather easy follows Lightly sand area rib tapes applied Dip tape cup water two drops liquid deter gent has added wetting agent Apply wet tape models surface using thinned Elmers glue thin water 50/50 add drop liquid detergent Press stretch tape place keeping wetted thinned glue solution tape firmly place wipe off residue damp cloth tapes dry cover area slightly-thinned coat clear dope youre ready painting tap ing completed fabric-covered air craft will well its way better ap pearanceand perhaps better scores Send items CL Scale Bill Boss 77-06 269th St New Hyde Park NY 11040 CL AerobatlcslFancher Continued page 69 Lou Dudka sixth-place finisher last years Nats pretended thrilled hear promised pick up Newark Airport next afternoon Sure enough next day picked up sans suitcase somehow man aged go Maui instead Newark off went visit home wife workshop shirt borrow Next off home both ninth-place Nats finisher highestplacing Nats finisher female persua sion Glen Karen Meadow fan tastic home-cooked roast beef dinner evening good old-fashioned Stunt talk discussions enriched visits Ken Parski Purzycki Kenny Coach Stout lovely new bride Oh yesI also borrowed clean pants socks Glen major topic conversation folding wings No storage Navy carrier talking major Stunt failure Lou Glen built two new airplanes Reno Nats basic Matrix Eagle designs plus two long-winged versions Large James Greenaways LJ design popular New York ship noted its highaspect-ratio wing very large flaps. full span 30o wing chord four built beautifully-crafted foam wings flaps tails made Lou Glen very light wing load ings well under 11 ounces per square foot finishes typically Noo Yawk Gorgeous Unfortu nately three beautiful machines folded wings wing/fuse joint after about 100 flights Obviously stress analysis design construction order guys did new ships significantl longer aspect ratios previou designs Stunt Glossary Aspec Ratio dimensional relationship c span wing its average chord span 60 averag chord 12 would have aspect rati 5 flown higher speeds ii anticipation Renos thinner air Bot] factors increased span loadin though wing loading beet reduced load applied natura stress riser fuselage suci magnitude exceed load-bearin capability conventionally-con structed foam wing wherein right left halves merely butt-jointed wit glass cloth epoxy reinforcement addition ultra-light sheeting han cut Pro Stunt group lumbe under four-pound density felt bi less formidable necessary Thei solutions 1 Use wood care fully selected grain firmness anc less ultimate light weight 2 T utilize spar joiners between two winj halves would take form ligh ply doublers solidly glued existinj stub spars originally intended primarily tC support wing-mounted gear additional change would encour age would cover wing silkspan prior mounting fuselage overlapping paper across wine joint papering after installation up fuse side would measurably increase stress-riser point making wing much stiffer outboard fuse/wing joint board monococque structure type particularly susceptible type weakness Stunt Glossary Monococque structure strength derived stress-bearing proper ties skin opposed internal engineeringspars ribs sheer webs etc After spending restful night home Glens parents rowing fresh underwear Glen picked us up out flying field met Jimmy Casale current Na tional Champion Windy Urtnowski fifth-place Walker flyoff Ken Purzycki short energetic flying session privileged fly Lous Rampage LJ ship ys a-ounce ST 60-powered LJ derivative both state-of-the-art machines mechani cally construction both seemed suffer somewhat design overkill opinion shared both builders Both ships featured ultra-large flap configuration Lous ultra high-aspect ratio nearly seven features resulted wings capable developing immense amounts lift Unfortunately lift capability generated very small angles attack because function rapid crease lift coefficient inherent highaspect-ratio planforms other words 166 Model Aviation Power Soar New Heights LT-50 GEAR MOTOR Leisures Gear Drive conversion 31 powerful LT-50 develops up 2 lbs static trhrust Gear Drive also features ball bearing Delrinbrass gearing glass loaded polycarbonate housing Send self-addressed stamped envelope catalog ap plication notes Leisure 11 DeerspringllrvinelCA 92714 THE M Send 50 forKit #104 $2195 Flyline Models CatalogPhone 703 273-9593 35M9 Enginesj Dealer & Distributor Inquiries Invited FLYLINE MODELS INC PO Box 2136 Fairfax Virginia 22031 USA se higher aspect ratio lesser ngle attack required given mount lift developed huge flaps other hand Luce large negative pitching moments ipposition elevators efforts turn plane given direction net esult airplane very soft unre ponsive controls around neutral intil tail overcomes negative pitch ng moment flap point ving almost immediately produces enor nous amounts lift thus producing nstant corner ps immediately ipon control neutralization ariables come together result pectacularly-flying machine However hrow some squirrely winds less-than erfect engine run just few late mar mis influencing timing ecomes impossible finesse almost pectacular flight Once started corner s committed its finish airplanes sre good argument moderation Stunt design Just cause little good loesnt mean lot will Camelot above remarks apply mostly Lous Rampage see picture vhich flew several complete patterns Windys airplane flew ime found impossible fly reason see column following next nonths Nats issue discussion nan/machine interface nt omputer age Hows teaser So what did learn Pro Stunt 4-hour visit just through aappy marriage talent propinquity group Stunt fliers has become Ireater sum its parts Any number talented people have given skills improvement members result current hot spot American Stunt legacy hampions such Bob Lampione Jim Kostecky Billy Simons Bobby Hunt Gene Schaeffer best Stunter Ive ever seen never won Nats Add rurrent crop like Casale Urtnowkski Meador Dudka up-and-corners Like Parski Karen Meador Doug Mary Figgs Marty Cwikala bet future stardom just name tip tongue just no place like New Joisey flyin Stunt Construction hint biggest obstacles accurate construction tight precise glue joints improper ap plication sandpaper balsa wood Too often part shaped picked up hand shaping medium other attempt made rub against other hands precision milling tools Often result similar shortening legs table eyeball. odatall muchpreferable system illustrated pic ture start column very large sanding board about three feet four inches grooved side ac cept another board similar dimension shown two pieces screwed together sits centrallylocated groove 900 angle Sandpaper attached both sides vertical member rubber cement also shown what appears bottom horizontal member simple tool thus made clamped firmly workbench piece shaped applied both hands tool Ninety-degree angles flat surfaces come automatically easily paper bottom can used normal sanding-block fashion tapering ribs wing vertical member can clamped vise paper used instance sand entire joint surface fuselage box prior taching top bottom blocks Once tool clamped bench will find almost never ac tually pick up piece sandpaper Try youll like Ted Fancher 1S8 Flying Cloud Isle Foster City CA 94404 CL Navy CarrierlPerry Continued page 70 What follows some thoughts noise modeling Competition fliers minority AMA membership competition fly ing actual sanctioned contests very small portion total modeling activi ty United States Competition fly ing however primary driver research development reason have high-quality engines radios other advanced equipment enjoy today best way encourage manu facturers develop quieter highperformance equipment create de mand among competition fliers De mand has resulted muffled tunedpipe development RC Pattern CL Precision Aerobatics moved muffled engines voluntarily earlier Developing producing new engines takes time money short-notice often ill-conceived rules changes have alienated manufacturers past fear mandating noise standards competition less year after estab lishing standards suggested Johns comments would extremely detrimental Equipment cannot devel oped tested produced fast Remaining competitive would require continual update equipment improvements became available much better alternative mandatory competition noise standards 1986 would promote development peri od during noise reduction measures would allowed delay mandatory enforcement until least 1988 pre ferably 1990 later emphasized word allowed because events CL Speed Carrier Racing FF Power RC Pylon have rules restrict use mufflers tuned pipes must 861 ls,m RoadSan Ant,nio IX 78216 512341-6712 FUTABA 7FGK FM W/4 5-12320995 7FGK W/4 52818495 6F6W/4 S-2815495 4FGW/4 S-2814395 4LW/3 5-2810495 S-28 SERVO1895 PLANES Great Planes 1606195 Great Planes Cap2t 406195 Goldberg Sr Falcon5095 Goldberg Eagle 633795 Craig Air Drifter II1795 Craft Air Piece OCake1798 EPOXY GLUE Descon 30 Minute 9 Ounce595 Descon 5 Minute 9 Ounce595 Hobbyposy 118 Ounce359 Hobbypos IV 8 Ounce559 Rebel R/ 30 Minute 9 Ounce575 TOP FlIGHT Monokote Opaque Roll545 Monokote Trana Roll595 Monokote Met Roll695 Heat Gun1995 Heat Iron1395 CYANOACRYLATE Hot Stuff HS1 e149 Hot Stuff HST-l e149 Hot Stuff HS4 2 Ounce499 Hot Stuff 1151-4 2 Ounce499 Hot Shot245 Jet Ounce159 Super Jet Ounce159 Jet 2 Ounce 25 Super Jet 2 Ounce 25 PIEASE NOTE Prices subject change manufacturers prices change items subject t, asaitahitit time sale Prices effect until nest M,del Asiation Issue Shos room prices may sllfbtty higher isit loir sb,s room o bile San Antonio 1011 discount price list refunded ,n Cirst order Shipping & Handling Prepaid orders 531111 gOt Credit Card orders $595 Iserseas orlers add estimated shipping 25o deposit required first time 41 55 sales tas required [esas residents Personal checks delas shipping 15 dass November1984 167 Ole Reliable 1938 Old TimerDoc Mathews 19.35 Engine Econo-Kit $5495 Deluxe-Kit $6495 Shipping Machine cut spruce & balsa Illustrated instructions mnLlneNOTE KANSAS RESIDfNTS ADO 455 SALES TAX F RO Box 2392 Shawnee Mission Kansas 66201
Edition: Model Aviation - 1984/11
Page Numbers: 69, 166, 167
Control Line eroba tics Ted Fancher STRANGER strange land advantages being pilot big airline trips take cities am able visit friends share interest CL Stunt flying oc cured capability could allow expand circle such friends doing provide excellent grist monthly mill Model Aviation addition column could become forum whereby Stunters part country could get feeling whats happening elsewhere seemed like such good idea decided should invite invite visit Heres what have mind thought visit famous Model Aviation columnist intriguing drop line address noted end months article will start file names am assigned flight little corner world will give call make mutu ally-agreeable arrangements visit would suggest informal get-together local Stunt group perhaps over piz za somesuch weather per mitting good flying session two things should aware layovers general ly 24 hours less duration often dont know destination very far ad vance therefore notice apt short sounds like fun drop line stand back As case point month July visited Garden State New Jersey home Pro Stunt Headquarters some very best Stunt building flying world night before departure called Continued page 166 Pro Stunt ships New Jersey areaa hotbed Stunt activity US Gien Meadors Eagie L has unusually long wings wide flapsled in-flight folding extra-light structure helped too After repair youd never know failed Windy Urtnowski went over board lightweight structure 45 oL original ST 60-powered craft R features all-geodetic structures wing tail prefers slightly-heavier F-16 though Both models have superflnishes typical Pro Stunt conspiracy November 1984 69 Sanding parts probably neglected area craftsmanship modelers Ted uses bench-mounted homemade sanding tool get precise shaping parts automatic right angles flat surfaces tells make column Supertigre 60 powers Lou Dudkas Rampage plane designed Jim Greenway Ted got iy itgives pilots report month impressed engine PRODUCTS mm - Complete Line Exhaust Systems * Tuned Pipes led Tuned Pipes * Headers uri Mufflers Expansion Mufflers copter Ball Mufflers ialized Exhaust Systems Unsurpassed Wnkmanshjn b Performance would little 5/2-in wide Sketch-B shows typical location tapes wing rudder Application tapes pre-doped surface rather easy follows Lightly sand area rib tapes applied Dip tape cup water two drops liquid deter gent has added wetting agent Apply wet tape models surface using thinned Elmers glue thin water 50/50 add drop liquid detergent Press stretch tape place keeping wetted thinned glue solution tape firmly place wipe off residue damp cloth tapes dry cover area slightly-thinned coat clear dope youre ready painting tap ing completed fabric-covered air craft will well its way better ap pearanceand perhaps better scores Send items CL Scale Bill Boss 77-06 269th St New Hyde Park NY 11040 CL AerobatlcslFancher Continued page 69 Lou Dudka sixth-place finisher last years Nats pretended thrilled hear promised pick up Newark Airport next afternoon Sure enough next day picked up sans suitcase somehow man aged go Maui instead Newark off went visit home wife workshop shirt borrow Next off home both ninth-place Nats finisher highestplacing Nats finisher female persua sion Glen Karen Meadow fan tastic home-cooked roast beef dinner evening good old-fashioned Stunt talk discussions enriched visits Ken Parski Purzycki Kenny Coach Stout lovely new bride Oh yesI also borrowed clean pants socks Glen major topic conversation folding wings No storage Navy carrier talking major Stunt failure Lou Glen built two new airplanes Reno Nats basic Matrix Eagle designs plus two long-winged versions Large James Greenaways LJ design popular New York ship noted its highaspect-ratio wing very large flaps. full span 30o wing chord four built beautifully-crafted foam wings flaps tails made Lou Glen very light wing load ings well under 11 ounces per square foot finishes typically Noo Yawk Gorgeous Unfortu nately three beautiful machines folded wings wing/fuse joint after about 100 flights Obviously stress analysis design construction order guys did new ships significantl longer aspect ratios previou designs Stunt Glossary Aspec Ratio dimensional relationship c span wing its average chord span 60 averag chord 12 would have aspect rati 5 flown higher speeds ii anticipation Renos thinner air Bot] factors increased span loadin though wing loading beet reduced load applied natura stress riser fuselage suci magnitude exceed load-bearin capability conventionally-con structed foam wing wherein right left halves merely butt-jointed wit glass cloth epoxy reinforcement addition ultra-light sheeting han cut Pro Stunt group lumbe under four-pound density felt bi less formidable necessary Thei solutions 1 Use wood care fully selected grain firmness anc less ultimate light weight 2 T utilize spar joiners between two winj halves would take form ligh ply doublers solidly glued existinj stub spars originally intended primarily tC support wing-mounted gear additional change would encour age would cover wing silkspan prior mounting fuselage overlapping paper across wine joint papering after installation up fuse side would measurably increase stress-riser point making wing much stiffer outboard fuse/wing joint board monococque structure type particularly susceptible type weakness Stunt Glossary Monococque structure strength derived stress-bearing proper ties skin opposed internal engineeringspars ribs sheer webs etc After spending restful night home Glens parents rowing fresh underwear Glen picked us up out flying field met Jimmy Casale current Na tional Champion Windy Urtnowski fifth-place Walker flyoff Ken Purzycki short energetic flying session privileged fly Lous Rampage LJ ship ys a-ounce ST 60-powered LJ derivative both state-of-the-art machines mechani cally construction both seemed suffer somewhat design overkill opinion shared both builders Both ships featured ultra-large flap configuration Lous ultra high-aspect ratio nearly seven features resulted wings capable developing immense amounts lift Unfortunately lift capability generated very small angles attack because function rapid crease lift coefficient inherent highaspect-ratio planforms other words 166 Model Aviation Power Soar New Heights LT-50 GEAR MOTOR Leisures Gear Drive conversion 31 powerful LT-50 develops up 2 lbs static trhrust Gear Drive also features ball bearing Delrinbrass gearing glass loaded polycarbonate housing Send self-addressed stamped envelope catalog ap plication notes Leisure 11 DeerspringllrvinelCA 92714 THE M Send 50 forKit #104 $2195 Flyline Models CatalogPhone 703 273-9593 35M9 Enginesj Dealer & Distributor Inquiries Invited FLYLINE MODELS INC PO Box 2136 Fairfax Virginia 22031 USA se higher aspect ratio lesser ngle attack required given mount lift developed huge flaps other hand Luce large negative pitching moments ipposition elevators efforts turn plane given direction net esult airplane very soft unre ponsive controls around neutral intil tail overcomes negative pitch ng moment flap point ving almost immediately produces enor nous amounts lift thus producing nstant corner ps immediately ipon control neutralization ariables come together result pectacularly-flying machine However hrow some squirrely winds less-than erfect engine run just few late mar mis influencing timing ecomes impossible finesse almost pectacular flight Once started corner s committed its finish airplanes sre good argument moderation Stunt design Just cause little good loesnt mean lot will Camelot above remarks apply mostly Lous Rampage see picture vhich flew several complete patterns Windys airplane flew ime found impossible fly reason see column following next nonths Nats issue discussion nan/machine interface nt omputer age Hows teaser So what did learn Pro Stunt 4-hour visit just through aappy marriage talent propinquity group Stunt fliers has become Ireater sum its parts Any number talented people have given skills improvement members result current hot spot American Stunt legacy hampions such Bob Lampione Jim Kostecky Billy Simons Bobby Hunt Gene Schaeffer best Stunter Ive ever seen never won Nats Add rurrent crop like Casale Urtnowkski Meador Dudka up-and-corners Like Parski Karen Meador Doug Mary Figgs Marty Cwikala bet future stardom just name tip tongue just no place like New Joisey flyin Stunt Construction hint biggest obstacles accurate construction tight precise glue joints improper ap plication sandpaper balsa wood Too often part shaped picked up hand shaping medium other attempt made rub against other hands precision milling tools Often result similar shortening legs table eyeball. odatall muchpreferable system illustrated pic ture start column very large sanding board about three feet four inches grooved side ac cept another board similar dimension shown two pieces screwed together sits centrallylocated groove 900 angle Sandpaper attached both sides vertical member rubber cement also shown what appears bottom horizontal member simple tool thus made clamped firmly workbench piece shaped applied both hands tool Ninety-degree angles flat surfaces come automatically easily paper bottom can used normal sanding-block fashion tapering ribs wing vertical member can clamped vise paper used instance sand entire joint surface fuselage box prior taching top bottom blocks Once tool clamped bench will find almost never ac tually pick up piece sandpaper Try youll like Ted Fancher 1S8 Flying Cloud Isle Foster City CA 94404 CL Navy CarrierlPerry Continued page 70 What follows some thoughts noise modeling Competition fliers minority AMA membership competition fly ing actual sanctioned contests very small portion total modeling activi ty United States Competition fly ing however primary driver research development reason have high-quality engines radios other advanced equipment enjoy today best way encourage manu facturers develop quieter highperformance equipment create de mand among competition fliers De mand has resulted muffled tunedpipe development RC Pattern CL Precision Aerobatics moved muffled engines voluntarily earlier Developing producing new engines takes time money short-notice often ill-conceived rules changes have alienated manufacturers past fear mandating noise standards competition less year after estab lishing standards suggested Johns comments would extremely detrimental Equipment cannot devel oped tested produced fast Remaining competitive would require continual update equipment improvements became available much better alternative mandatory competition noise standards 1986 would promote development peri od during noise reduction measures would allowed delay mandatory enforcement until least 1988 pre ferably 1990 later emphasized word allowed because events CL Speed Carrier Racing FF Power RC Pylon have rules restrict use mufflers tuned pipes must 861 ls,m RoadSan Ant,nio IX 78216 512341-6712 FUTABA 7FGK FM W/4 5-12320995 7FGK W/4 52818495 6F6W/4 S-2815495 4FGW/4 S-2814395 4LW/3 5-2810495 S-28 SERVO1895 PLANES Great Planes 1606195 Great Planes Cap2t 406195 Goldberg Sr Falcon5095 Goldberg Eagle 633795 Craig Air Drifter II1795 Craft Air Piece OCake1798 EPOXY GLUE Descon 30 Minute 9 Ounce595 Descon 5 Minute 9 Ounce595 Hobbyposy 118 Ounce359 Hobbypos IV 8 Ounce559 Rebel R/ 30 Minute 9 Ounce575 TOP FlIGHT Monokote Opaque Roll545 Monokote Trana Roll595 Monokote Met Roll695 Heat Gun1995 Heat Iron1395 CYANOACRYLATE Hot Stuff HS1 e149 Hot Stuff HST-l e149 Hot Stuff HS4 2 Ounce499 Hot Stuff 1151-4 2 Ounce499 Hot Shot245 Jet Ounce159 Super Jet Ounce159 Jet 2 Ounce 25 Super Jet 2 Ounce 25 PIEASE NOTE Prices subject change manufacturers prices change items subject t, asaitahitit time sale Prices effect until nest M,del Asiation Issue Shos room prices may sllfbtty higher isit loir sb,s room o bile San Antonio 1011 discount price list refunded ,n Cirst order Shipping & Handling Prepaid orders 531111 gOt Credit Card orders $595 Iserseas orlers add estimated shipping 25o deposit required first time 41 55 sales tas required [esas residents Personal checks delas shipping 15 dass November1984 167 Ole Reliable 1938 Old TimerDoc Mathews 19.35 Engine Econo-Kit $5495 Deluxe-Kit $6495 Shipping Machine cut spruce & balsa Illustrated instructions mnLlneNOTE KANSAS RESIDfNTS ADO 455 SALES TAX F RO Box 2392 Shawnee Mission Kansas 66201
Edition: Model Aviation - 1984/11
Page Numbers: 69, 166, 167
Control Line eroba tics Ted Fancher STRANGER strange land advantages being pilot big airline trips take cities am able visit friends share interest CL Stunt flying oc cured capability could allow expand circle such friends doing provide excellent grist monthly mill Model Aviation addition column could become forum whereby Stunters part country could get feeling whats happening elsewhere seemed like such good idea decided should invite invite visit Heres what have mind thought visit famous Model Aviation columnist intriguing drop line address noted end months article will start file names am assigned flight little corner world will give call make mutu ally-agreeable arrangements visit would suggest informal get-together local Stunt group perhaps over piz za somesuch weather per mitting good flying session two things should aware layovers general ly 24 hours less duration often dont know destination very far ad vance therefore notice apt short sounds like fun drop line stand back As case point month July visited Garden State New Jersey home Pro Stunt Headquarters some very best Stunt building flying world night before departure called Continued page 166 Pro Stunt ships New Jersey areaa hotbed Stunt activity US Gien Meadors Eagie L has unusually long wings wide flapsled in-flight folding extra-light structure helped too After repair youd never know failed Windy Urtnowski went over board lightweight structure 45 oL original ST 60-powered craft R features all-geodetic structures wing tail prefers slightly-heavier F-16 though Both models have superflnishes typical Pro Stunt conspiracy November 1984 69 Sanding parts probably neglected area craftsmanship modelers Ted uses bench-mounted homemade sanding tool get precise shaping parts automatic right angles flat surfaces tells make column Supertigre 60 powers Lou Dudkas Rampage plane designed Jim Greenway Ted got iy itgives pilots report month impressed engine PRODUCTS mm - Complete Line Exhaust Systems * Tuned Pipes led Tuned Pipes * Headers uri Mufflers Expansion Mufflers copter Ball Mufflers ialized Exhaust Systems Unsurpassed Wnkmanshjn b Performance would little 5/2-in wide Sketch-B shows typical location tapes wing rudder Application tapes pre-doped surface rather easy follows Lightly sand area rib tapes applied Dip tape cup water two drops liquid deter gent has added wetting agent Apply wet tape models surface using thinned Elmers glue thin water 50/50 add drop liquid detergent Press stretch tape place keeping wetted thinned glue solution tape firmly place wipe off residue damp cloth tapes dry cover area slightly-thinned coat clear dope youre ready painting tap ing completed fabric-covered air craft will well its way better ap pearanceand perhaps better scores Send items CL Scale Bill Boss 77-06 269th St New Hyde Park NY 11040 CL AerobatlcslFancher Continued page 69 Lou Dudka sixth-place finisher last years Nats pretended thrilled hear promised pick up Newark Airport next afternoon Sure enough next day picked up sans suitcase somehow man aged go Maui instead Newark off went visit home wife workshop shirt borrow Next off home both ninth-place Nats finisher highestplacing Nats finisher female persua sion Glen Karen Meadow fan tastic home-cooked roast beef dinner evening good old-fashioned Stunt talk discussions enriched visits Ken Parski Purzycki Kenny Coach Stout lovely new bride Oh yesI also borrowed clean pants socks Glen major topic conversation folding wings No storage Navy carrier talking major Stunt failure Lou Glen built two new airplanes Reno Nats basic Matrix Eagle designs plus two long-winged versions Large James Greenaways LJ design popular New York ship noted its highaspect-ratio wing very large flaps. full span 30o wing chord four built beautifully-crafted foam wings flaps tails made Lou Glen very light wing load ings well under 11 ounces per square foot finishes typically Noo Yawk Gorgeous Unfortu nately three beautiful machines folded wings wing/fuse joint after about 100 flights Obviously stress analysis design construction order guys did new ships significantl longer aspect ratios previou designs Stunt Glossary Aspec Ratio dimensional relationship c span wing its average chord span 60 averag chord 12 would have aspect rati 5 flown higher speeds ii anticipation Renos thinner air Bot] factors increased span loadin though wing loading beet reduced load applied natura stress riser fuselage suci magnitude exceed load-bearin capability conventionally-con structed foam wing wherein right left halves merely butt-jointed wit glass cloth epoxy reinforcement addition ultra-light sheeting han cut Pro Stunt group lumbe under four-pound density felt bi less formidable necessary Thei solutions 1 Use wood care fully selected grain firmness anc less ultimate light weight 2 T utilize spar joiners between two winj halves would take form ligh ply doublers solidly glued existinj stub spars originally intended primarily tC support wing-mounted gear additional change would encour age would cover wing silkspan prior mounting fuselage overlapping paper across wine joint papering after installation up fuse side would measurably increase stress-riser point making wing much stiffer outboard fuse/wing joint board monococque structure type particularly susceptible type weakness Stunt Glossary Monococque structure strength derived stress-bearing proper ties skin opposed internal engineeringspars ribs sheer webs etc After spending restful night home Glens parents rowing fresh underwear Glen picked us up out flying field met Jimmy Casale current Na tional Champion Windy Urtnowski fifth-place Walker flyoff Ken Purzycki short energetic flying session privileged fly Lous Rampage LJ ship ys a-ounce ST 60-powered LJ derivative both state-of-the-art machines mechani cally construction both seemed suffer somewhat design overkill opinion shared both builders Both ships featured ultra-large flap configuration Lous ultra high-aspect ratio nearly seven features resulted wings capable developing immense amounts lift Unfortunately lift capability generated very small angles attack because function rapid crease lift coefficient inherent highaspect-ratio planforms other words 166 Model Aviation Power Soar New Heights LT-50 GEAR MOTOR Leisures Gear Drive conversion 31 powerful LT-50 develops up 2 lbs static trhrust Gear Drive also features ball bearing Delrinbrass gearing glass loaded polycarbonate housing Send self-addressed stamped envelope catalog ap plication notes Leisure 11 DeerspringllrvinelCA 92714 THE M Send 50 forKit #104 $2195 Flyline Models CatalogPhone 703 273-9593 35M9 Enginesj Dealer & Distributor Inquiries Invited FLYLINE MODELS INC PO Box 2136 Fairfax Virginia 22031 USA se higher aspect ratio lesser ngle attack required given mount lift developed huge flaps other hand Luce large negative pitching moments ipposition elevators efforts turn plane given direction net esult airplane very soft unre ponsive controls around neutral intil tail overcomes negative pitch ng moment flap point ving almost immediately produces enor nous amounts lift thus producing nstant corner ps immediately ipon control neutralization ariables come together result pectacularly-flying machine However hrow some squirrely winds less-than erfect engine run just few late mar mis influencing timing ecomes impossible finesse almost pectacular flight Once started corner s committed its finish airplanes sre good argument moderation Stunt design Just cause little good loesnt mean lot will Camelot above remarks apply mostly Lous Rampage see picture vhich flew several complete patterns Windys airplane flew ime found impossible fly reason see column following next nonths Nats issue discussion nan/machine interface nt omputer age Hows teaser So what did learn Pro Stunt 4-hour visit just through aappy marriage talent propinquity group Stunt fliers has become Ireater sum its parts Any number talented people have given skills improvement members result current hot spot American Stunt legacy hampions such Bob Lampione Jim Kostecky Billy Simons Bobby Hunt Gene Schaeffer best Stunter Ive ever seen never won Nats Add rurrent crop like Casale Urtnowkski Meador Dudka up-and-corners Like Parski Karen Meador Doug Mary Figgs Marty Cwikala bet future stardom just name tip tongue just no place like New Joisey flyin Stunt Construction hint biggest obstacles accurate construction tight precise glue joints improper ap plication sandpaper balsa wood Too often part shaped picked up hand shaping medium other attempt made rub against other hands precision milling tools Often result similar shortening legs table eyeball. odatall muchpreferable system illustrated pic ture start column very large sanding board about three feet four inches grooved side ac cept another board similar dimension shown two pieces screwed together sits centrallylocated groove 900 angle Sandpaper attached both sides vertical member rubber cement also shown what appears bottom horizontal member simple tool thus made clamped firmly workbench piece shaped applied both hands tool Ninety-degree angles flat surfaces come automatically easily paper bottom can used normal sanding-block fashion tapering ribs wing vertical member can clamped vise paper used instance sand entire joint surface fuselage box prior taching top bottom blocks Once tool clamped bench will find almost never ac tually pick up piece sandpaper Try youll like Ted Fancher 1S8 Flying Cloud Isle Foster City CA 94404 CL Navy CarrierlPerry Continued page 70 What follows some thoughts noise modeling Competition fliers minority AMA membership competition fly ing actual sanctioned contests very small portion total modeling activi ty United States Competition fly ing however primary driver research development reason have high-quality engines radios other advanced equipment enjoy today best way encourage manu facturers develop quieter highperformance equipment create de mand among competition fliers De mand has resulted muffled tunedpipe development RC Pattern CL Precision Aerobatics moved muffled engines voluntarily earlier Developing producing new engines takes time money short-notice often ill-conceived rules changes have alienated manufacturers past fear mandating noise standards competition less year after estab lishing standards suggested Johns comments would extremely detrimental Equipment cannot devel oped tested produced fast Remaining competitive would require continual update equipment improvements became available much better alternative mandatory competition noise standards 1986 would promote development peri od during noise reduction measures would allowed delay mandatory enforcement until least 1988 pre ferably 1990 later emphasized word allowed because events CL Speed Carrier Racing FF Power RC Pylon have rules restrict use mufflers tuned pipes must 861 ls,m RoadSan Ant,nio IX 78216 512341-6712 FUTABA 7FGK FM W/4 5-12320995 7FGK W/4 52818495 6F6W/4 S-2815495 4FGW/4 S-2814395 4LW/3 5-2810495 S-28 SERVO1895 PLANES Great Planes 1606195 Great Planes Cap2t 406195 Goldberg Sr Falcon5095 Goldberg Eagle 633795 Craig Air Drifter II1795 Craft Air Piece OCake1798 EPOXY GLUE Descon 30 Minute 9 Ounce595 Descon 5 Minute 9 Ounce595 Hobbyposy 118 Ounce359 Hobbypos IV 8 Ounce559 Rebel R/ 30 Minute 9 Ounce575 TOP FlIGHT Monokote Opaque Roll545 Monokote Trana Roll595 Monokote Met Roll695 Heat Gun1995 Heat Iron1395 CYANOACRYLATE Hot Stuff HS1 e149 Hot Stuff HST-l e149 Hot Stuff HS4 2 Ounce499 Hot Stuff 1151-4 2 Ounce499 Hot Shot245 Jet Ounce159 Super Jet Ounce159 Jet 2 Ounce 25 Super Jet 2 Ounce 25 PIEASE NOTE Prices subject change manufacturers prices change items subject t, asaitahitit time sale Prices effect until nest M,del Asiation Issue Shos room prices may sllfbtty higher isit loir sb,s room o bile San Antonio 1011 discount price list refunded ,n Cirst order Shipping & Handling Prepaid orders 531111 gOt Credit Card orders $595 Iserseas orlers add estimated shipping 25o deposit required first time 41 55 sales tas required [esas residents Personal checks delas shipping 15 dass November1984 167 Ole Reliable 1938 Old TimerDoc Mathews 19.35 Engine Econo-Kit $5495 Deluxe-Kit $6495 Shipping Machine cut spruce & balsa Illustrated instructions mnLlneNOTE KANSAS RESIDfNTS ADO 455 SALES TAX F RO Box 2392 Shawnee Mission Kansas 66201