Aerobatics Ted Fancher OKAY last spoke rea sonably happy way new ship turning grooved nicely level flight controllable positive glide However say line ten sion isnt should especially 450 above What Its good noticed tension less above level flight Thats natural func tion gravity its going fact life no matter what However can some things minimize loss Line tension level flight primarily function airplane weight speed crease either line tension will crease third important factor horsepower Increase line tension will also increase Additional horsepower and/or airspeed will increase line tension attitude increase centrifugal force Someone else can argue cen trifugal/centripital force question know goes faster pulls harder other hand climb above level flight weight airplane begins work against line tension gravi ty pulling vertically down thus pro ducing force vector acting flight circle Given three truths want maintain greater amount line tension above level flight must either increase airspeed horsepower mitigate lost tension weight vector Increasing airspeed undesirable pilots point view possi ble practical standpoint mere fact increasing lift climbing results increased drag less airspeed thus compounding line-tension loss can however increase engine horsepower increasing speed gain line tension thus achieved will stay attitude flying hemisphere Weve touched lightly horsepower trimming response rate same factors hold true twocycle engines operate frac tion rpm/horsepower potential CLPA can configured operate clos er peak necessarily resulting higher aircraft speeds two ob vious methods doing increased nitromethane fuel and/or larger air intakes same rpm thus same airspeed engine will produce horsepower will increase line tension Reducing prop diameter unloads engine increases horsepower may also increase airspeed very slightlybut much less increased tension would lead believe Reducing pitch also increases horsepower however also reduces airspeed thus less help ful increasing line tension will prob ably result slightly less tension unless engine speed significantly greater Finally Shorter Lines Trim Objective III item 18see table May 1985 issue will increase line tension above fails should plan flying much line length engine/ airplane combo can handle allows greater airspeed apparent speed pilot lap time means air plane will fly happier faster pilot cant tell difference about covers means actually increasing line tension can however number things insure arent throwing away what naturally have include Roll Trim Tip Weight Wing Assymetry Yaw Trim including Engine Offset Leadout Posi tion Rudder Configuration Trim Continued page 155 68 Model Aviation Claus Maikis Europes finest CLPA builders filers uses attractive little Oliver Tiger 15 dIesel-powered model just fun Maikis photo Gilbert Beringer France powers unusual Stunter OS 60 four-stroke Note long tail moment arm small tail surfaces tiny flaps Maikis photo Windy Urtnowski says Dave Noels Nomad design very fine-flying plane Fifty-ounce craft uses Supertigre 46 power Bruce Glfford Jr photo Soarinuccess. Tantrum ue radio controlled folding wing sailplane Computer aided aerodynamic design Easy assembly entional folding wings Folding wings maximum launch Hand launch high start slope soar Tantrum very light weight sophisticated sailplane 42 wingspan can easily built two ways entional sail p lane unique folding wing hinged polyhedraljoints experienced Hard hand launching does stress frame produce looping height trajectory outboard panels released upon command converting high performance sailplane Tantrum requires 2-channel radio standard servos receiver 100 mah battery pack deluxe kit includes hardware full sized plans complete building instructions parts machine cut precise fit List Price S3495 Ground Models Inc 606C W Anthony Drive Urbana Illinois 61B01 217367-7070 Distributor inquiries invited required AMA Safety Code cover cores FasCal using lowheat setting Attach tail using music wire hinge pin Glue brass hinge pin stops hinge pin CyA prevent sideways sliding elevator CyA-glue hinge pin elevator little baking soda may help secure sandthe joint wrap pin area FasCal scraps Cover whole tail FasCal can done single piece wrapped around Install elevator horn using Kraft horn put 1/32 plywood plate underneath prevent lifting under stress DARE horns dont need plate Finish tail boom FasCal other plastic covering Connect pushrod elevator horn Kwik-link Very little movement needed start out horn near top Kraft horn about five holes down DARE horn Glue maple engine bearers plywood rectangle nacelle cut out center fit assembly fuselage rear beams should butt up against spar Shape engine mount taper rear beams round front Rubberband engine mounted prop engine bolts onto engine mount Plug mount onto plane move engine forward backward until plane balances 25% wing chord about spars Mark engine mounting hole locations drill install blind nuts Attach engine mount slow-cure epoxy fill gaps later 5-min epoxy Finish mount exposed parts fuselage 5-min epoxy Drill access drain holes blad der tube fuel-proof holes Securely tie lead-out ends Hying should find new Under taker under control right out launch Some Kwik-link horn adjustment may needed equalize turns both directions find proper turn radius Resist temptation adjust too much elevator travel Too much travel will induce stall set up plane easy kill opponent large amount travel seems necessary get plane turn balanced nose-heavy Within limits can corrected tail weight plane nervous wont fly level tail-heavy elevator travel will have minimized Once Undertaker air flight-trimmed thing standing tween victory Combat circles plenty practice lots Combat flying CL Aerobatics/Fancher Continued page 68 Objective III items 2 through 8 worst waster line tension roll airplane banked toward pilot portion wings lift vectored 1981 World Soaring Champ DWIGHT HOLLEY FEATURES Sailpianes lous Electric Planes Thermal batic imer Sport Scale tric Gliders ASTROFtIGHT R ER MOTORS IN STOCK SANYO SANYO SANYO ery Special N 800AR Weigh 36 Grams N 12005C 62 Grams ee N 1 200SCR Red Jacket 52 Grams ea New Super Cell SANYO N 9005C weigh 39 grams same die 1200s % length will deliver least 950 MAHI HOLLEYS SILENT FLIGHT 203 748-0083 151 CHESTNUT RIDGE ROAD BETHEL CT 06801 ADAMS SPEED CDNTRDLLERS PNER OFLIGHT KELLER SH Now Offer l line German AlmostReady-To-Fly Sailpianes hottest slope scarer thermal F3B electric Gliders All kits include epoxy-fiberglass-fuselage wings stabs built special foam Obechi Veneer reinforced glass cloth All wings come Schlemp-Hirth Gradpner spoilers aileron pushrod tubes wing mounting system already stalled ready cover ASK FOR OUR SPECIAL CATALOG - $100 nwa man MODELS SOLD IN EUROPE C n S -I Features l. md four interchangable wings #1 VENUS STANDARD wingspan er airfoil thermal competition electric flight $185 #2 VENUS COMPACT wingspan er airfoil thermal slope gliding $180 #3 VENUS STUNT wingspan oil Eppler 374 thermal slope stuntflying electricflight $150 #4 VENUS COMPETITION118 spanAirfoil HO 2519 wlflaparons F3B high performance gliding .$195 #5 VENUS COMBI wings choice 100 wingspan 118 wingspan $250 HOLLEYS SILENT FLIGHT 203 748-0083 151 CHESTNUT RIDGE ROAD BETHEL CT 08801 October 1985 155 ELECTRIC MODEL SAILPLANE SPECIALISTS FEATURING ONLY STATE OFTHE ART ITEMb cALL OR WRITE FOR FREE DESCRIPTIVE FLYER ASTERIX good looking thermal macnine arem state art technology wingspan 114 Airfoil Eppler 387 asterix very good electric flight HOBBY CAPITOL R/C AIRCR4FT SPECIAUSTS P 0 BOX 24333 VENTURA CA 93002 e 805/643-7616/642-8465 O OVER 100 DIFFERENT BUILT UP ALS ONE OF KIND R/C MODELS READY FOR SHIPMENT PLEASE SEND $2 00 FOR COMPLETE CURRENT LISTS toward him well acts opposition centrifugal force Any adverse roll must trimmed out optimize tension Tip weight obvious answer amount tip weight required stop bank much causes ship hinge drop outboard wing hard corners consider adding some area outboard flap removing some inboard make lift increase greater outboard wing flaps deflected situation can usually avoided Stunt ship built additional per cent two outboard flap area outset Yaw although profligate wast er tension roll can particularly deleterious above 450 elevation ship flies yawed out either leadouts being too far aft excessive rudder and/or engine offset fuselage FLYING NEAR AIRPORTS BE CAREFUL PROTECT YOUR RIGHT TO FLY $2500 ea includes shipping UPS COD add $200 $600 plans CA add 6% Dealer Inquiries Invited LINDSEY MICRO PRODUCTS 160-A No Falrview Ave SuIte 104 Goleta CA 93117 805 683 2042 After 5 pm Pacific will forced fly sideways airflow will create greatly increased drag Investigate possibility observing engines Oil Pattern Trim Objective III item 17 left aircraft after flight oil should flow mostly down fuse slight diver gence pattern out wing primary trim control prob lem adjustable leadout have adjustable rudder suggest setting minimum offset until find some reas something else particularly effective tool opinion Finally after achieving optimum line tension airplane sudden starts slip away dont start retrimniing airplane likely hasnt changed What has happened engine has gone over hill Usually piston ring fit has gone pot Save yourself lot grief go source Rebuild put back up engine As sick engine wont sound great deal different strong often first cluealong increas II ing fuel consumptionof pooped power plant comment re control handles line tension Longer handle overhang will give increased feel perceived tension maneuvering ship respond ing well cant feel inputs try increasing overhang Editors note See Teds column February March 1985 issues in-depth discussion control handle characteris tics RMcM Lets talk Speed Control minute good statement concerning speed airplane should flown speed its happiest Line Length Trim Objective IV item 6 should altered keep perceived speed lap times agreeable pilot isnt always possible due horsepower availa ble etc some other approaches must considered obvious answer increase/ decrease engine speed Trim Objective IV item 1 Remember reduction engine speed will take further off peak power curve therefore serious reduction should coupled consideration horsepower loss See previous comments re line tension horsepower Propellers item 2 affect speed. big surprise huh Given adequate horse power turn larger-diameter props will slow airplane vice versa More/less pitch will same Again remember consider horsepower consequences line tension Heres cute experimental types opinion based consider able experimenting airplane speed can controlled pitch inner middle parts prop blade speed want horse power/line tension trim optimum still feel tension insufficient above 450 try sanding pitch about outer third prop blade Ive done especially Intimidation excellent results doesnt work forget heard Upright/inverted speed item 7 has covered times two should identical controlled raising/ h F lirncnea lerrormanoe system TOP PERFORMANCE K&B ENGINES AirplaneManse K&B FUELSK&B GLOW PLUGS 9 Blends4 Choices Matched Finish System BEST APPEARANCE K&B FIBERGLASS CLOTH K&B Micro-Balloons FILLER K&B SUPER POXY RESIN K&B SUPER POXY THINNER K&B SUPER POXY PRIMER K&B SUPER POXY PAINT K&B MIXING CUPS 156 Model Aviation PRECISION CUT PIPER SUvuc cuts ucuiuc #i-iz IiN 5 PIPER PACER PA-20 PAN 00 AHONCA MODEL K 1937108 SPAN 95 PIPERTRI-PACERPA-2289SPAN 00 ARONCAMODELK 1937 AN $ 8995 DH-8SLEOPARDMOThE111SPANe $13495 ARONCAMODELK 1937 ANe $ 5995 DH-80 PUSS MOTHE SPAN 95 ARONCA MODEL K 1937 PAN 95 M52LMP 1000 Both require Two Channel Radio Mini Servos 250 MAH BATT wood constructIon include hardware needed CONTIOLIIZ TANKS PROF/LECOMBA7RAT WIDE & NARROW WEDGE 15 -- 6 oz Capacitie UNIFLOW & STANDD Cistern 3lil Fulls Ingredients Fo detailed brochue50C stamps/check oni CAROLINA-TAFFINDER 8345 Delhi Road Charleston Hgta SC 29418 803-563-716S lowering tank/engine relationship un til trick users uniflow tank systems tank has shimmed far possible run still uneven open up tank move uniflow vent direction wish move tank vent tank far engine concerned moving has same affect moving entire tank long last lets discuss final items flight trim Tracking Uniformity Turn final items Trim Table turn characteristics must trimmed less encounter order severity classic methods attacking un equal rates turn inside versus outside either bias elevators relation flaps direction proper turn less desirable mind make handle arm line spacing poorer direction longer consider both methods camouflage prefer used last resort fact opinion biased handle arms will create almost problems solve would always opt bias elevators becomes necessary Well what heck suggest ask First suggest making sure wings level during maneuvers ship banks out upright invert ed vice versa tension will better banked out Response will positive airplane will prob ably turn tighter Second suggest seal elevator hingeline experience airplane have sealed hingeline has become uniform rate turn first time tried increase turn rate Intimidation flying two years about 3/8 inch Down elevator cranked After sealing trimmed out Misset handle neutral positions will often result ship appears pilot turn well direction usually outsides because han dle held naturally neutral some down bias Often trimming gradual ly back vertical neutral will result the 15th consecutive year covering continues go easier & last longer rest 9-. Congratulations Super Coverite magical reincarnation outside turn else has failed make turns equal now time bias elevator direction poorer turn airborne controls arent adjustable youll have bias handle Make line spacing greater direction poorer turn Usually trimming stability response rate turn uniformity will automatically result acceptable tracking maneuvers still have problems consider following try different props Props different manufacture same will oftentimes respond differently Props washed out less pitch tips will generally track better although sometimes little loss line tension above 450 flap per degree elevator will help somewhat tracking have partial-span flaps problem severe can almost guarantee increasing flap span will improve tracking Well gang about does now know everything Fancher knows about designing trimming Stunt ship Whether thats good bad anyones guess including yours Most gospel Some controversial some just plain simply way Fancher sees hope find helpful way couple items Trim Table May 1985 issue mention Wind effects asterisk near future Im going similar project actually flying pattern time Ill covering winds effect length hope look forward Ted Fancher 158 Flying Cloud Isle Foster City CA 94404 CL Scale/Boss Continved page 69 will note scribe circle ink scratched off board leaving white circle point simply continue Bucker Jungmeisier For 049 Engines Ingspan Biplane Suitable 2-4 Channel B/C systems classic its kind An agile biplane tor aerobatics As model really pertorms excellent planlorm durable enjoyable sPip tly RIG contest enests Kit sire @ Weve sot whale line 51 old lavoriteS Please send hOe tsr nor Fl0linn caralag $2995 Phone 17031 273-9593 Onalers OlsirihotOrn nailed FLYLINE MODELS INC PO Box 2136 Fairfax Virginia 22031 4 7 SUPER LOW PRICES *Radios &* Accessories FUTABAO AIRTRONICS 0 KRAFT *Kits Hardware &* Field Accessories Brands 0 Starters 0 Field chargers @ Tachometers *Engines* 0050 SUPER TIGER SAITO 0 ENYA 0 Y5 QUADRA 0 ZENOAH MONTHLY SPECIAL FUTABA PCM $47800 MAIL ORDERS SAME DAY SERVICE S MODEL EXPERTS TO HELP YOU 0 OPEN 7 DAYS CALL US TOLL FREE 800-358-0766 OR WRITE US AT THE LEADING EDGE 1-A Lakewood Plaza Carpentersville IL 60110 October 1985 157 Heres What Youve Been Waiting For.
Edition: Model Aviation - 1985/10
Page Numbers: 68, 155, 156, 157
Aerobatics Ted Fancher OKAY last spoke rea sonably happy way new ship turning grooved nicely level flight controllable positive glide However say line ten sion isnt should especially 450 above What Its good noticed tension less above level flight Thats natural func tion gravity its going fact life no matter what However can some things minimize loss Line tension level flight primarily function airplane weight speed crease either line tension will crease third important factor horsepower Increase line tension will also increase Additional horsepower and/or airspeed will increase line tension attitude increase centrifugal force Someone else can argue cen trifugal/centripital force question know goes faster pulls harder other hand climb above level flight weight airplane begins work against line tension gravi ty pulling vertically down thus pro ducing force vector acting flight circle Given three truths want maintain greater amount line tension above level flight must either increase airspeed horsepower mitigate lost tension weight vector Increasing airspeed undesirable pilots point view possi ble practical standpoint mere fact increasing lift climbing results increased drag less airspeed thus compounding line-tension loss can however increase engine horsepower increasing speed gain line tension thus achieved will stay attitude flying hemisphere Weve touched lightly horsepower trimming response rate same factors hold true twocycle engines operate frac tion rpm/horsepower potential CLPA can configured operate clos er peak necessarily resulting higher aircraft speeds two ob vious methods doing increased nitromethane fuel and/or larger air intakes same rpm thus same airspeed engine will produce horsepower will increase line tension Reducing prop diameter unloads engine increases horsepower may also increase airspeed very slightlybut much less increased tension would lead believe Reducing pitch also increases horsepower however also reduces airspeed thus less help ful increasing line tension will prob ably result slightly less tension unless engine speed significantly greater Finally Shorter Lines Trim Objective III item 18see table May 1985 issue will increase line tension above fails should plan flying much line length engine/ airplane combo can handle allows greater airspeed apparent speed pilot lap time means air plane will fly happier faster pilot cant tell difference about covers means actually increasing line tension can however number things insure arent throwing away what naturally have include Roll Trim Tip Weight Wing Assymetry Yaw Trim including Engine Offset Leadout Posi tion Rudder Configuration Trim Continued page 155 68 Model Aviation Claus Maikis Europes finest CLPA builders filers uses attractive little Oliver Tiger 15 dIesel-powered model just fun Maikis photo Gilbert Beringer France powers unusual Stunter OS 60 four-stroke Note long tail moment arm small tail surfaces tiny flaps Maikis photo Windy Urtnowski says Dave Noels Nomad design very fine-flying plane Fifty-ounce craft uses Supertigre 46 power Bruce Glfford Jr photo Soarinuccess. Tantrum ue radio controlled folding wing sailplane Computer aided aerodynamic design Easy assembly entional folding wings Folding wings maximum launch Hand launch high start slope soar Tantrum very light weight sophisticated sailplane 42 wingspan can easily built two ways entional sail p lane unique folding wing hinged polyhedraljoints experienced Hard hand launching does stress frame produce looping height trajectory outboard panels released upon command converting high performance sailplane Tantrum requires 2-channel radio standard servos receiver 100 mah battery pack deluxe kit includes hardware full sized plans complete building instructions parts machine cut precise fit List Price S3495 Ground Models Inc 606C W Anthony Drive Urbana Illinois 61B01 217367-7070 Distributor inquiries invited required AMA Safety Code cover cores FasCal using lowheat setting Attach tail using music wire hinge pin Glue brass hinge pin stops hinge pin CyA prevent sideways sliding elevator CyA-glue hinge pin elevator little baking soda may help secure sandthe joint wrap pin area FasCal scraps Cover whole tail FasCal can done single piece wrapped around Install elevator horn using Kraft horn put 1/32 plywood plate underneath prevent lifting under stress DARE horns dont need plate Finish tail boom FasCal other plastic covering Connect pushrod elevator horn Kwik-link Very little movement needed start out horn near top Kraft horn about five holes down DARE horn Glue maple engine bearers plywood rectangle nacelle cut out center fit assembly fuselage rear beams should butt up against spar Shape engine mount taper rear beams round front Rubberband engine mounted prop engine bolts onto engine mount Plug mount onto plane move engine forward backward until plane balances 25% wing chord about spars Mark engine mounting hole locations drill install blind nuts Attach engine mount slow-cure epoxy fill gaps later 5-min epoxy Finish mount exposed parts fuselage 5-min epoxy Drill access drain holes blad der tube fuel-proof holes Securely tie lead-out ends Hying should find new Under taker under control right out launch Some Kwik-link horn adjustment may needed equalize turns both directions find proper turn radius Resist temptation adjust too much elevator travel Too much travel will induce stall set up plane easy kill opponent large amount travel seems necessary get plane turn balanced nose-heavy Within limits can corrected tail weight plane nervous wont fly level tail-heavy elevator travel will have minimized Once Undertaker air flight-trimmed thing standing tween victory Combat circles plenty practice lots Combat flying CL Aerobatics/Fancher Continued page 68 Objective III items 2 through 8 worst waster line tension roll airplane banked toward pilot portion wings lift vectored 1981 World Soaring Champ DWIGHT HOLLEY FEATURES Sailpianes lous Electric Planes Thermal batic imer Sport Scale tric Gliders ASTROFtIGHT R ER MOTORS IN STOCK SANYO SANYO SANYO ery Special N 800AR Weigh 36 Grams N 12005C 62 Grams ee N 1 200SCR Red Jacket 52 Grams ea New Super Cell SANYO N 9005C weigh 39 grams same die 1200s % length will deliver least 950 MAHI HOLLEYS SILENT FLIGHT 203 748-0083 151 CHESTNUT RIDGE ROAD BETHEL CT 06801 ADAMS SPEED CDNTRDLLERS PNER OFLIGHT KELLER SH Now Offer l line German AlmostReady-To-Fly Sailpianes hottest slope scarer thermal F3B electric Gliders All kits include epoxy-fiberglass-fuselage wings stabs built special foam Obechi Veneer reinforced glass cloth All wings come Schlemp-Hirth Gradpner spoilers aileron pushrod tubes wing mounting system already stalled ready cover ASK FOR OUR SPECIAL CATALOG - $100 nwa man MODELS SOLD IN EUROPE C n S -I Features l. md four interchangable wings #1 VENUS STANDARD wingspan er airfoil thermal competition electric flight $185 #2 VENUS COMPACT wingspan er airfoil thermal slope gliding $180 #3 VENUS STUNT wingspan oil Eppler 374 thermal slope stuntflying electricflight $150 #4 VENUS COMPETITION118 spanAirfoil HO 2519 wlflaparons F3B high performance gliding .$195 #5 VENUS COMBI wings choice 100 wingspan 118 wingspan $250 HOLLEYS SILENT FLIGHT 203 748-0083 151 CHESTNUT RIDGE ROAD BETHEL CT 08801 October 1985 155 ELECTRIC MODEL SAILPLANE SPECIALISTS FEATURING ONLY STATE OFTHE ART ITEMb cALL OR WRITE FOR FREE DESCRIPTIVE FLYER ASTERIX good looking thermal macnine arem state art technology wingspan 114 Airfoil Eppler 387 asterix very good electric flight HOBBY CAPITOL R/C AIRCR4FT SPECIAUSTS P 0 BOX 24333 VENTURA CA 93002 e 805/643-7616/642-8465 O OVER 100 DIFFERENT BUILT UP ALS ONE OF KIND R/C MODELS READY FOR SHIPMENT PLEASE SEND $2 00 FOR COMPLETE CURRENT LISTS toward him well acts opposition centrifugal force Any adverse roll must trimmed out optimize tension Tip weight obvious answer amount tip weight required stop bank much causes ship hinge drop outboard wing hard corners consider adding some area outboard flap removing some inboard make lift increase greater outboard wing flaps deflected situation can usually avoided Stunt ship built additional per cent two outboard flap area outset Yaw although profligate wast er tension roll can particularly deleterious above 450 elevation ship flies yawed out either leadouts being too far aft excessive rudder and/or engine offset fuselage FLYING NEAR AIRPORTS BE CAREFUL PROTECT YOUR RIGHT TO FLY $2500 ea includes shipping UPS COD add $200 $600 plans CA add 6% Dealer Inquiries Invited LINDSEY MICRO PRODUCTS 160-A No Falrview Ave SuIte 104 Goleta CA 93117 805 683 2042 After 5 pm Pacific will forced fly sideways airflow will create greatly increased drag Investigate possibility observing engines Oil Pattern Trim Objective III item 17 left aircraft after flight oil should flow mostly down fuse slight diver gence pattern out wing primary trim control prob lem adjustable leadout have adjustable rudder suggest setting minimum offset until find some reas something else particularly effective tool opinion Finally after achieving optimum line tension airplane sudden starts slip away dont start retrimniing airplane likely hasnt changed What has happened engine has gone over hill Usually piston ring fit has gone pot Save yourself lot grief go source Rebuild put back up engine As sick engine wont sound great deal different strong often first cluealong increas II ing fuel consumptionof pooped power plant comment re control handles line tension Longer handle overhang will give increased feel perceived tension maneuvering ship respond ing well cant feel inputs try increasing overhang Editors note See Teds column February March 1985 issues in-depth discussion control handle characteris tics RMcM Lets talk Speed Control minute good statement concerning speed airplane should flown speed its happiest Line Length Trim Objective IV item 6 should altered keep perceived speed lap times agreeable pilot isnt always possible due horsepower availa ble etc some other approaches must considered obvious answer increase/ decrease engine speed Trim Objective IV item 1 Remember reduction engine speed will take further off peak power curve therefore serious reduction should coupled consideration horsepower loss See previous comments re line tension horsepower Propellers item 2 affect speed. big surprise huh Given adequate horse power turn larger-diameter props will slow airplane vice versa More/less pitch will same Again remember consider horsepower consequences line tension Heres cute experimental types opinion based consider able experimenting airplane speed can controlled pitch inner middle parts prop blade speed want horse power/line tension trim optimum still feel tension insufficient above 450 try sanding pitch about outer third prop blade Ive done especially Intimidation excellent results doesnt work forget heard Upright/inverted speed item 7 has covered times two should identical controlled raising/ h F lirncnea lerrormanoe system TOP PERFORMANCE K&B ENGINES AirplaneManse K&B FUELSK&B GLOW PLUGS 9 Blends4 Choices Matched Finish System BEST APPEARANCE K&B FIBERGLASS CLOTH K&B Micro-Balloons FILLER K&B SUPER POXY RESIN K&B SUPER POXY THINNER K&B SUPER POXY PRIMER K&B SUPER POXY PAINT K&B MIXING CUPS 156 Model Aviation PRECISION CUT PIPER SUvuc cuts ucuiuc #i-iz IiN 5 PIPER PACER PA-20 PAN 00 AHONCA MODEL K 1937108 SPAN 95 PIPERTRI-PACERPA-2289SPAN 00 ARONCAMODELK 1937 AN $ 8995 DH-8SLEOPARDMOThE111SPANe $13495 ARONCAMODELK 1937 ANe $ 5995 DH-80 PUSS MOTHE SPAN 95 ARONCA MODEL K 1937 PAN 95 M52LMP 1000 Both require Two Channel Radio Mini Servos 250 MAH BATT wood constructIon include hardware needed CONTIOLIIZ TANKS PROF/LECOMBA7RAT WIDE & NARROW WEDGE 15 -- 6 oz Capacitie UNIFLOW & STANDD Cistern 3lil Fulls Ingredients Fo detailed brochue50C stamps/check oni CAROLINA-TAFFINDER 8345 Delhi Road Charleston Hgta SC 29418 803-563-716S lowering tank/engine relationship un til trick users uniflow tank systems tank has shimmed far possible run still uneven open up tank move uniflow vent direction wish move tank vent tank far engine concerned moving has same affect moving entire tank long last lets discuss final items flight trim Tracking Uniformity Turn final items Trim Table turn characteristics must trimmed less encounter order severity classic methods attacking un equal rates turn inside versus outside either bias elevators relation flaps direction proper turn less desirable mind make handle arm line spacing poorer direction longer consider both methods camouflage prefer used last resort fact opinion biased handle arms will create almost problems solve would always opt bias elevators becomes necessary Well what heck suggest ask First suggest making sure wings level during maneuvers ship banks out upright invert ed vice versa tension will better banked out Response will positive airplane will prob ably turn tighter Second suggest seal elevator hingeline experience airplane have sealed hingeline has become uniform rate turn first time tried increase turn rate Intimidation flying two years about 3/8 inch Down elevator cranked After sealing trimmed out Misset handle neutral positions will often result ship appears pilot turn well direction usually outsides because han dle held naturally neutral some down bias Often trimming gradual ly back vertical neutral will result the 15th consecutive year covering continues go easier & last longer rest 9-. Congratulations Super Coverite magical reincarnation outside turn else has failed make turns equal now time bias elevator direction poorer turn airborne controls arent adjustable youll have bias handle Make line spacing greater direction poorer turn Usually trimming stability response rate turn uniformity will automatically result acceptable tracking maneuvers still have problems consider following try different props Props different manufacture same will oftentimes respond differently Props washed out less pitch tips will generally track better although sometimes little loss line tension above 450 flap per degree elevator will help somewhat tracking have partial-span flaps problem severe can almost guarantee increasing flap span will improve tracking Well gang about does now know everything Fancher knows about designing trimming Stunt ship Whether thats good bad anyones guess including yours Most gospel Some controversial some just plain simply way Fancher sees hope find helpful way couple items Trim Table May 1985 issue mention Wind effects asterisk near future Im going similar project actually flying pattern time Ill covering winds effect length hope look forward Ted Fancher 158 Flying Cloud Isle Foster City CA 94404 CL Scale/Boss Continved page 69 will note scribe circle ink scratched off board leaving white circle point simply continue Bucker Jungmeisier For 049 Engines Ingspan Biplane Suitable 2-4 Channel B/C systems classic its kind An agile biplane tor aerobatics As model really pertorms excellent planlorm durable enjoyable sPip tly RIG contest enests Kit sire @ Weve sot whale line 51 old lavoriteS Please send hOe tsr nor Fl0linn caralag $2995 Phone 17031 273-9593 Onalers OlsirihotOrn nailed FLYLINE MODELS INC PO Box 2136 Fairfax Virginia 22031 4 7 SUPER LOW PRICES *Radios &* Accessories FUTABAO AIRTRONICS 0 KRAFT *Kits Hardware &* Field Accessories Brands 0 Starters 0 Field chargers @ Tachometers *Engines* 0050 SUPER TIGER SAITO 0 ENYA 0 Y5 QUADRA 0 ZENOAH MONTHLY SPECIAL FUTABA PCM $47800 MAIL ORDERS SAME DAY SERVICE S MODEL EXPERTS TO HELP YOU 0 OPEN 7 DAYS CALL US TOLL FREE 800-358-0766 OR WRITE US AT THE LEADING EDGE 1-A Lakewood Plaza Carpentersville IL 60110 October 1985 157 Heres What Youve Been Waiting For.
Edition: Model Aviation - 1985/10
Page Numbers: 68, 155, 156, 157
Aerobatics Ted Fancher OKAY last spoke rea sonably happy way new ship turning grooved nicely level flight controllable positive glide However say line ten sion isnt should especially 450 above What Its good noticed tension less above level flight Thats natural func tion gravity its going fact life no matter what However can some things minimize loss Line tension level flight primarily function airplane weight speed crease either line tension will crease third important factor horsepower Increase line tension will also increase Additional horsepower and/or airspeed will increase line tension attitude increase centrifugal force Someone else can argue cen trifugal/centripital force question know goes faster pulls harder other hand climb above level flight weight airplane begins work against line tension gravi ty pulling vertically down thus pro ducing force vector acting flight circle Given three truths want maintain greater amount line tension above level flight must either increase airspeed horsepower mitigate lost tension weight vector Increasing airspeed undesirable pilots point view possi ble practical standpoint mere fact increasing lift climbing results increased drag less airspeed thus compounding line-tension loss can however increase engine horsepower increasing speed gain line tension thus achieved will stay attitude flying hemisphere Weve touched lightly horsepower trimming response rate same factors hold true twocycle engines operate frac tion rpm/horsepower potential CLPA can configured operate clos er peak necessarily resulting higher aircraft speeds two ob vious methods doing increased nitromethane fuel and/or larger air intakes same rpm thus same airspeed engine will produce horsepower will increase line tension Reducing prop diameter unloads engine increases horsepower may also increase airspeed very slightlybut much less increased tension would lead believe Reducing pitch also increases horsepower however also reduces airspeed thus less help ful increasing line tension will prob ably result slightly less tension unless engine speed significantly greater Finally Shorter Lines Trim Objective III item 18see table May 1985 issue will increase line tension above fails should plan flying much line length engine/ airplane combo can handle allows greater airspeed apparent speed pilot lap time means air plane will fly happier faster pilot cant tell difference about covers means actually increasing line tension can however number things insure arent throwing away what naturally have include Roll Trim Tip Weight Wing Assymetry Yaw Trim including Engine Offset Leadout Posi tion Rudder Configuration Trim Continued page 155 68 Model Aviation Claus Maikis Europes finest CLPA builders filers uses attractive little Oliver Tiger 15 dIesel-powered model just fun Maikis photo Gilbert Beringer France powers unusual Stunter OS 60 four-stroke Note long tail moment arm small tail surfaces tiny flaps Maikis photo Windy Urtnowski says Dave Noels Nomad design very fine-flying plane Fifty-ounce craft uses Supertigre 46 power Bruce Glfford Jr photo Soarinuccess. Tantrum ue radio controlled folding wing sailplane Computer aided aerodynamic design Easy assembly entional folding wings Folding wings maximum launch Hand launch high start slope soar Tantrum very light weight sophisticated sailplane 42 wingspan can easily built two ways entional sail p lane unique folding wing hinged polyhedraljoints experienced Hard hand launching does stress frame produce looping height trajectory outboard panels released upon command converting high performance sailplane Tantrum requires 2-channel radio standard servos receiver 100 mah battery pack deluxe kit includes hardware full sized plans complete building instructions parts machine cut precise fit List Price S3495 Ground Models Inc 606C W Anthony Drive Urbana Illinois 61B01 217367-7070 Distributor inquiries invited required AMA Safety Code cover cores FasCal using lowheat setting Attach tail using music wire hinge pin Glue brass hinge pin stops hinge pin CyA prevent sideways sliding elevator CyA-glue hinge pin elevator little baking soda may help secure sandthe joint wrap pin area FasCal scraps Cover whole tail FasCal can done single piece wrapped around Install elevator horn using Kraft horn put 1/32 plywood plate underneath prevent lifting under stress DARE horns dont need plate Finish tail boom FasCal other plastic covering Connect pushrod elevator horn Kwik-link Very little movement needed start out horn near top Kraft horn about five holes down DARE horn Glue maple engine bearers plywood rectangle nacelle cut out center fit assembly fuselage rear beams should butt up against spar Shape engine mount taper rear beams round front Rubberband engine mounted prop engine bolts onto engine mount Plug mount onto plane move engine forward backward until plane balances 25% wing chord about spars Mark engine mounting hole locations drill install blind nuts Attach engine mount slow-cure epoxy fill gaps later 5-min epoxy Finish mount exposed parts fuselage 5-min epoxy Drill access drain holes blad der tube fuel-proof holes Securely tie lead-out ends Hying should find new Under taker under control right out launch Some Kwik-link horn adjustment may needed equalize turns both directions find proper turn radius Resist temptation adjust too much elevator travel Too much travel will induce stall set up plane easy kill opponent large amount travel seems necessary get plane turn balanced nose-heavy Within limits can corrected tail weight plane nervous wont fly level tail-heavy elevator travel will have minimized Once Undertaker air flight-trimmed thing standing tween victory Combat circles plenty practice lots Combat flying CL Aerobatics/Fancher Continued page 68 Objective III items 2 through 8 worst waster line tension roll airplane banked toward pilot portion wings lift vectored 1981 World Soaring Champ DWIGHT HOLLEY FEATURES Sailpianes lous Electric Planes Thermal batic imer Sport Scale tric Gliders ASTROFtIGHT R ER MOTORS IN STOCK SANYO SANYO SANYO ery Special N 800AR Weigh 36 Grams N 12005C 62 Grams ee N 1 200SCR Red Jacket 52 Grams ea New Super Cell SANYO N 9005C weigh 39 grams same die 1200s % length will deliver least 950 MAHI HOLLEYS SILENT FLIGHT 203 748-0083 151 CHESTNUT RIDGE ROAD BETHEL CT 06801 ADAMS SPEED CDNTRDLLERS PNER OFLIGHT KELLER SH Now Offer l line German AlmostReady-To-Fly Sailpianes hottest slope scarer thermal F3B electric Gliders All kits include epoxy-fiberglass-fuselage wings stabs built special foam Obechi Veneer reinforced glass cloth All wings come Schlemp-Hirth Gradpner spoilers aileron pushrod tubes wing mounting system already stalled ready cover ASK FOR OUR SPECIAL CATALOG - $100 nwa man MODELS SOLD IN EUROPE C n S -I Features l. md four interchangable wings #1 VENUS STANDARD wingspan er airfoil thermal competition electric flight $185 #2 VENUS COMPACT wingspan er airfoil thermal slope gliding $180 #3 VENUS STUNT wingspan oil Eppler 374 thermal slope stuntflying electricflight $150 #4 VENUS COMPETITION118 spanAirfoil HO 2519 wlflaparons F3B high performance gliding .$195 #5 VENUS COMBI wings choice 100 wingspan 118 wingspan $250 HOLLEYS SILENT FLIGHT 203 748-0083 151 CHESTNUT RIDGE ROAD BETHEL CT 08801 October 1985 155 ELECTRIC MODEL SAILPLANE SPECIALISTS FEATURING ONLY STATE OFTHE ART ITEMb cALL OR WRITE FOR FREE DESCRIPTIVE FLYER ASTERIX good looking thermal macnine arem state art technology wingspan 114 Airfoil Eppler 387 asterix very good electric flight HOBBY CAPITOL R/C AIRCR4FT SPECIAUSTS P 0 BOX 24333 VENTURA CA 93002 e 805/643-7616/642-8465 O OVER 100 DIFFERENT BUILT UP ALS ONE OF KIND R/C MODELS READY FOR SHIPMENT PLEASE SEND $2 00 FOR COMPLETE CURRENT LISTS toward him well acts opposition centrifugal force Any adverse roll must trimmed out optimize tension Tip weight obvious answer amount tip weight required stop bank much causes ship hinge drop outboard wing hard corners consider adding some area outboard flap removing some inboard make lift increase greater outboard wing flaps deflected situation can usually avoided Stunt ship built additional per cent two outboard flap area outset Yaw although profligate wast er tension roll can particularly deleterious above 450 elevation ship flies yawed out either leadouts being too far aft excessive rudder and/or engine offset fuselage FLYING NEAR AIRPORTS BE CAREFUL PROTECT YOUR RIGHT TO FLY $2500 ea includes shipping UPS COD add $200 $600 plans CA add 6% Dealer Inquiries Invited LINDSEY MICRO PRODUCTS 160-A No Falrview Ave SuIte 104 Goleta CA 93117 805 683 2042 After 5 pm Pacific will forced fly sideways airflow will create greatly increased drag Investigate possibility observing engines Oil Pattern Trim Objective III item 17 left aircraft after flight oil should flow mostly down fuse slight diver gence pattern out wing primary trim control prob lem adjustable leadout have adjustable rudder suggest setting minimum offset until find some reas something else particularly effective tool opinion Finally after achieving optimum line tension airplane sudden starts slip away dont start retrimniing airplane likely hasnt changed What has happened engine has gone over hill Usually piston ring fit has gone pot Save yourself lot grief go source Rebuild put back up engine As sick engine wont sound great deal different strong often first cluealong increas II ing fuel consumptionof pooped power plant comment re control handles line tension Longer handle overhang will give increased feel perceived tension maneuvering ship respond ing well cant feel inputs try increasing overhang Editors note See Teds column February March 1985 issues in-depth discussion control handle characteris tics RMcM Lets talk Speed Control minute good statement concerning speed airplane should flown speed its happiest Line Length Trim Objective IV item 6 should altered keep perceived speed lap times agreeable pilot isnt always possible due horsepower availa ble etc some other approaches must considered obvious answer increase/ decrease engine speed Trim Objective IV item 1 Remember reduction engine speed will take further off peak power curve therefore serious reduction should coupled consideration horsepower loss See previous comments re line tension horsepower Propellers item 2 affect speed. big surprise huh Given adequate horse power turn larger-diameter props will slow airplane vice versa More/less pitch will same Again remember consider horsepower consequences line tension Heres cute experimental types opinion based consider able experimenting airplane speed can controlled pitch inner middle parts prop blade speed want horse power/line tension trim optimum still feel tension insufficient above 450 try sanding pitch about outer third prop blade Ive done especially Intimidation excellent results doesnt work forget heard Upright/inverted speed item 7 has covered times two should identical controlled raising/ h F lirncnea lerrormanoe system TOP PERFORMANCE K&B ENGINES AirplaneManse K&B FUELSK&B GLOW PLUGS 9 Blends4 Choices Matched Finish System BEST APPEARANCE K&B FIBERGLASS CLOTH K&B Micro-Balloons FILLER K&B SUPER POXY RESIN K&B SUPER POXY THINNER K&B SUPER POXY PRIMER K&B SUPER POXY PAINT K&B MIXING CUPS 156 Model Aviation PRECISION CUT PIPER SUvuc cuts ucuiuc #i-iz IiN 5 PIPER PACER PA-20 PAN 00 AHONCA MODEL K 1937108 SPAN 95 PIPERTRI-PACERPA-2289SPAN 00 ARONCAMODELK 1937 AN $ 8995 DH-8SLEOPARDMOThE111SPANe $13495 ARONCAMODELK 1937 ANe $ 5995 DH-80 PUSS MOTHE SPAN 95 ARONCA MODEL K 1937 PAN 95 M52LMP 1000 Both require Two Channel Radio Mini Servos 250 MAH BATT wood constructIon include hardware needed CONTIOLIIZ TANKS PROF/LECOMBA7RAT WIDE & NARROW WEDGE 15 -- 6 oz Capacitie UNIFLOW & STANDD Cistern 3lil Fulls Ingredients Fo detailed brochue50C stamps/check oni CAROLINA-TAFFINDER 8345 Delhi Road Charleston Hgta SC 29418 803-563-716S lowering tank/engine relationship un til trick users uniflow tank systems tank has shimmed far possible run still uneven open up tank move uniflow vent direction wish move tank vent tank far engine concerned moving has same affect moving entire tank long last lets discuss final items flight trim Tracking Uniformity Turn final items Trim Table turn characteristics must trimmed less encounter order severity classic methods attacking un equal rates turn inside versus outside either bias elevators relation flaps direction proper turn less desirable mind make handle arm line spacing poorer direction longer consider both methods camouflage prefer used last resort fact opinion biased handle arms will create almost problems solve would always opt bias elevators becomes necessary Well what heck suggest ask First suggest making sure wings level during maneuvers ship banks out upright invert ed vice versa tension will better banked out Response will positive airplane will prob ably turn tighter Second suggest seal elevator hingeline experience airplane have sealed hingeline has become uniform rate turn first time tried increase turn rate Intimidation flying two years about 3/8 inch Down elevator cranked After sealing trimmed out Misset handle neutral positions will often result ship appears pilot turn well direction usually outsides because han dle held naturally neutral some down bias Often trimming gradual ly back vertical neutral will result the 15th consecutive year covering continues go easier & last longer rest 9-. Congratulations Super Coverite magical reincarnation outside turn else has failed make turns equal now time bias elevator direction poorer turn airborne controls arent adjustable youll have bias handle Make line spacing greater direction poorer turn Usually trimming stability response rate turn uniformity will automatically result acceptable tracking maneuvers still have problems consider following try different props Props different manufacture same will oftentimes respond differently Props washed out less pitch tips will generally track better although sometimes little loss line tension above 450 flap per degree elevator will help somewhat tracking have partial-span flaps problem severe can almost guarantee increasing flap span will improve tracking Well gang about does now know everything Fancher knows about designing trimming Stunt ship Whether thats good bad anyones guess including yours Most gospel Some controversial some just plain simply way Fancher sees hope find helpful way couple items Trim Table May 1985 issue mention Wind effects asterisk near future Im going similar project actually flying pattern time Ill covering winds effect length hope look forward Ted Fancher 158 Flying Cloud Isle Foster City CA 94404 CL Scale/Boss Continved page 69 will note scribe circle ink scratched off board leaving white circle point simply continue Bucker Jungmeisier For 049 Engines Ingspan Biplane Suitable 2-4 Channel B/C systems classic its kind An agile biplane tor aerobatics As model really pertorms excellent planlorm durable enjoyable sPip tly RIG contest enests Kit sire @ Weve sot whale line 51 old lavoriteS Please send hOe tsr nor Fl0linn caralag $2995 Phone 17031 273-9593 Onalers OlsirihotOrn nailed FLYLINE MODELS INC PO Box 2136 Fairfax Virginia 22031 4 7 SUPER LOW PRICES *Radios &* Accessories FUTABAO AIRTRONICS 0 KRAFT *Kits Hardware &* Field Accessories Brands 0 Starters 0 Field chargers @ Tachometers *Engines* 0050 SUPER TIGER SAITO 0 ENYA 0 Y5 QUADRA 0 ZENOAH MONTHLY SPECIAL FUTABA PCM $47800 MAIL ORDERS SAME DAY SERVICE S MODEL EXPERTS TO HELP YOU 0 OPEN 7 DAYS CALL US TOLL FREE 800-358-0766 OR WRITE US AT THE LEADING EDGE 1-A Lakewood Plaza Carpentersville IL 60110 October 1985 157 Heres What Youve Been Waiting For.
Edition: Model Aviation - 1985/10
Page Numbers: 68, 155, 156, 157
Aerobatics Ted Fancher OKAY last spoke rea sonably happy way new ship turning grooved nicely level flight controllable positive glide However say line ten sion isnt should especially 450 above What Its good noticed tension less above level flight Thats natural func tion gravity its going fact life no matter what However can some things minimize loss Line tension level flight primarily function airplane weight speed crease either line tension will crease third important factor horsepower Increase line tension will also increase Additional horsepower and/or airspeed will increase line tension attitude increase centrifugal force Someone else can argue cen trifugal/centripital force question know goes faster pulls harder other hand climb above level flight weight airplane begins work against line tension gravi ty pulling vertically down thus pro ducing force vector acting flight circle Given three truths want maintain greater amount line tension above level flight must either increase airspeed horsepower mitigate lost tension weight vector Increasing airspeed undesirable pilots point view possi ble practical standpoint mere fact increasing lift climbing results increased drag less airspeed thus compounding line-tension loss can however increase engine horsepower increasing speed gain line tension thus achieved will stay attitude flying hemisphere Weve touched lightly horsepower trimming response rate same factors hold true twocycle engines operate frac tion rpm/horsepower potential CLPA can configured operate clos er peak necessarily resulting higher aircraft speeds two ob vious methods doing increased nitromethane fuel and/or larger air intakes same rpm thus same airspeed engine will produce horsepower will increase line tension Reducing prop diameter unloads engine increases horsepower may also increase airspeed very slightlybut much less increased tension would lead believe Reducing pitch also increases horsepower however also reduces airspeed thus less help ful increasing line tension will prob ably result slightly less tension unless engine speed significantly greater Finally Shorter Lines Trim Objective III item 18see table May 1985 issue will increase line tension above fails should plan flying much line length engine/ airplane combo can handle allows greater airspeed apparent speed pilot lap time means air plane will fly happier faster pilot cant tell difference about covers means actually increasing line tension can however number things insure arent throwing away what naturally have include Roll Trim Tip Weight Wing Assymetry Yaw Trim including Engine Offset Leadout Posi tion Rudder Configuration Trim Continued page 155 68 Model Aviation Claus Maikis Europes finest CLPA builders filers uses attractive little Oliver Tiger 15 dIesel-powered model just fun Maikis photo Gilbert Beringer France powers unusual Stunter OS 60 four-stroke Note long tail moment arm small tail surfaces tiny flaps Maikis photo Windy Urtnowski says Dave Noels Nomad design very fine-flying plane Fifty-ounce craft uses Supertigre 46 power Bruce Glfford Jr photo Soarinuccess. Tantrum ue radio controlled folding wing sailplane Computer aided aerodynamic design Easy assembly entional folding wings Folding wings maximum launch Hand launch high start slope soar Tantrum very light weight sophisticated sailplane 42 wingspan can easily built two ways entional sail p lane unique folding wing hinged polyhedraljoints experienced Hard hand launching does stress frame produce looping height trajectory outboard panels released upon command converting high performance sailplane Tantrum requires 2-channel radio standard servos receiver 100 mah battery pack deluxe kit includes hardware full sized plans complete building instructions parts machine cut precise fit List Price S3495 Ground Models Inc 606C W Anthony Drive Urbana Illinois 61B01 217367-7070 Distributor inquiries invited required AMA Safety Code cover cores FasCal using lowheat setting Attach tail using music wire hinge pin Glue brass hinge pin stops hinge pin CyA prevent sideways sliding elevator CyA-glue hinge pin elevator little baking soda may help secure sandthe joint wrap pin area FasCal scraps Cover whole tail FasCal can done single piece wrapped around Install elevator horn using Kraft horn put 1/32 plywood plate underneath prevent lifting under stress DARE horns dont need plate Finish tail boom FasCal other plastic covering Connect pushrod elevator horn Kwik-link Very little movement needed start out horn near top Kraft horn about five holes down DARE horn Glue maple engine bearers plywood rectangle nacelle cut out center fit assembly fuselage rear beams should butt up against spar Shape engine mount taper rear beams round front Rubberband engine mounted prop engine bolts onto engine mount Plug mount onto plane move engine forward backward until plane balances 25% wing chord about spars Mark engine mounting hole locations drill install blind nuts Attach engine mount slow-cure epoxy fill gaps later 5-min epoxy Finish mount exposed parts fuselage 5-min epoxy Drill access drain holes blad der tube fuel-proof holes Securely tie lead-out ends Hying should find new Under taker under control right out launch Some Kwik-link horn adjustment may needed equalize turns both directions find proper turn radius Resist temptation adjust too much elevator travel Too much travel will induce stall set up plane easy kill opponent large amount travel seems necessary get plane turn balanced nose-heavy Within limits can corrected tail weight plane nervous wont fly level tail-heavy elevator travel will have minimized Once Undertaker air flight-trimmed thing standing tween victory Combat circles plenty practice lots Combat flying CL Aerobatics/Fancher Continued page 68 Objective III items 2 through 8 worst waster line tension roll airplane banked toward pilot portion wings lift vectored 1981 World Soaring Champ DWIGHT HOLLEY FEATURES Sailpianes lous Electric Planes Thermal batic imer Sport Scale tric Gliders ASTROFtIGHT R ER MOTORS IN STOCK SANYO SANYO SANYO ery Special N 800AR Weigh 36 Grams N 12005C 62 Grams ee N 1 200SCR Red Jacket 52 Grams ea New Super Cell SANYO N 9005C weigh 39 grams same die 1200s % length will deliver least 950 MAHI HOLLEYS SILENT FLIGHT 203 748-0083 151 CHESTNUT RIDGE ROAD BETHEL CT 06801 ADAMS SPEED CDNTRDLLERS PNER OFLIGHT KELLER SH Now Offer l line German AlmostReady-To-Fly Sailpianes hottest slope scarer thermal F3B electric Gliders All kits include epoxy-fiberglass-fuselage wings stabs built special foam Obechi Veneer reinforced glass cloth All wings come Schlemp-Hirth Gradpner spoilers aileron pushrod tubes wing mounting system already stalled ready cover ASK FOR OUR SPECIAL CATALOG - $100 nwa man MODELS SOLD IN EUROPE C n S -I Features l. md four interchangable wings #1 VENUS STANDARD wingspan er airfoil thermal competition electric flight $185 #2 VENUS COMPACT wingspan er airfoil thermal slope gliding $180 #3 VENUS STUNT wingspan oil Eppler 374 thermal slope stuntflying electricflight $150 #4 VENUS COMPETITION118 spanAirfoil HO 2519 wlflaparons F3B high performance gliding .$195 #5 VENUS COMBI wings choice 100 wingspan 118 wingspan $250 HOLLEYS SILENT FLIGHT 203 748-0083 151 CHESTNUT RIDGE ROAD BETHEL CT 08801 October 1985 155 ELECTRIC MODEL SAILPLANE SPECIALISTS FEATURING ONLY STATE OFTHE ART ITEMb cALL OR WRITE FOR FREE DESCRIPTIVE FLYER ASTERIX good looking thermal macnine arem state art technology wingspan 114 Airfoil Eppler 387 asterix very good electric flight HOBBY CAPITOL R/C AIRCR4FT SPECIAUSTS P 0 BOX 24333 VENTURA CA 93002 e 805/643-7616/642-8465 O OVER 100 DIFFERENT BUILT UP ALS ONE OF KIND R/C MODELS READY FOR SHIPMENT PLEASE SEND $2 00 FOR COMPLETE CURRENT LISTS toward him well acts opposition centrifugal force Any adverse roll must trimmed out optimize tension Tip weight obvious answer amount tip weight required stop bank much causes ship hinge drop outboard wing hard corners consider adding some area outboard flap removing some inboard make lift increase greater outboard wing flaps deflected situation can usually avoided Stunt ship built additional per cent two outboard flap area outset Yaw although profligate wast er tension roll can particularly deleterious above 450 elevation ship flies yawed out either leadouts being too far aft excessive rudder and/or engine offset fuselage FLYING NEAR AIRPORTS BE CAREFUL PROTECT YOUR RIGHT TO FLY $2500 ea includes shipping UPS COD add $200 $600 plans CA add 6% Dealer Inquiries Invited LINDSEY MICRO PRODUCTS 160-A No Falrview Ave SuIte 104 Goleta CA 93117 805 683 2042 After 5 pm Pacific will forced fly sideways airflow will create greatly increased drag Investigate possibility observing engines Oil Pattern Trim Objective III item 17 left aircraft after flight oil should flow mostly down fuse slight diver gence pattern out wing primary trim control prob lem adjustable leadout have adjustable rudder suggest setting minimum offset until find some reas something else particularly effective tool opinion Finally after achieving optimum line tension airplane sudden starts slip away dont start retrimniing airplane likely hasnt changed What has happened engine has gone over hill Usually piston ring fit has gone pot Save yourself lot grief go source Rebuild put back up engine As sick engine wont sound great deal different strong often first cluealong increas II ing fuel consumptionof pooped power plant comment re control handles line tension Longer handle overhang will give increased feel perceived tension maneuvering ship respond ing well cant feel inputs try increasing overhang Editors note See Teds column February March 1985 issues in-depth discussion control handle characteris tics RMcM Lets talk Speed Control minute good statement concerning speed airplane should flown speed its happiest Line Length Trim Objective IV item 6 should altered keep perceived speed lap times agreeable pilot isnt always possible due horsepower availa ble etc some other approaches must considered obvious answer increase/ decrease engine speed Trim Objective IV item 1 Remember reduction engine speed will take further off peak power curve therefore serious reduction should coupled consideration horsepower loss See previous comments re line tension horsepower Propellers item 2 affect speed. big surprise huh Given adequate horse power turn larger-diameter props will slow airplane vice versa More/less pitch will same Again remember consider horsepower consequences line tension Heres cute experimental types opinion based consider able experimenting airplane speed can controlled pitch inner middle parts prop blade speed want horse power/line tension trim optimum still feel tension insufficient above 450 try sanding pitch about outer third prop blade Ive done especially Intimidation excellent results doesnt work forget heard Upright/inverted speed item 7 has covered times two should identical controlled raising/ h F lirncnea lerrormanoe system TOP PERFORMANCE K&B ENGINES AirplaneManse K&B FUELSK&B GLOW PLUGS 9 Blends4 Choices Matched Finish System BEST APPEARANCE K&B FIBERGLASS CLOTH K&B Micro-Balloons FILLER K&B SUPER POXY RESIN K&B SUPER POXY THINNER K&B SUPER POXY PRIMER K&B SUPER POXY PAINT K&B MIXING CUPS 156 Model Aviation PRECISION CUT PIPER SUvuc cuts ucuiuc #i-iz IiN 5 PIPER PACER PA-20 PAN 00 AHONCA MODEL K 1937108 SPAN 95 PIPERTRI-PACERPA-2289SPAN 00 ARONCAMODELK 1937 AN $ 8995 DH-8SLEOPARDMOThE111SPANe $13495 ARONCAMODELK 1937 ANe $ 5995 DH-80 PUSS MOTHE SPAN 95 ARONCA MODEL K 1937 PAN 95 M52LMP 1000 Both require Two Channel Radio Mini Servos 250 MAH BATT wood constructIon include hardware needed CONTIOLIIZ TANKS PROF/LECOMBA7RAT WIDE & NARROW WEDGE 15 -- 6 oz Capacitie UNIFLOW & STANDD Cistern 3lil Fulls Ingredients Fo detailed brochue50C stamps/check oni CAROLINA-TAFFINDER 8345 Delhi Road Charleston Hgta SC 29418 803-563-716S lowering tank/engine relationship un til trick users uniflow tank systems tank has shimmed far possible run still uneven open up tank move uniflow vent direction wish move tank vent tank far engine concerned moving has same affect moving entire tank long last lets discuss final items flight trim Tracking Uniformity Turn final items Trim Table turn characteristics must trimmed less encounter order severity classic methods attacking un equal rates turn inside versus outside either bias elevators relation flaps direction proper turn less desirable mind make handle arm line spacing poorer direction longer consider both methods camouflage prefer used last resort fact opinion biased handle arms will create almost problems solve would always opt bias elevators becomes necessary Well what heck suggest ask First suggest making sure wings level during maneuvers ship banks out upright invert ed vice versa tension will better banked out Response will positive airplane will prob ably turn tighter Second suggest seal elevator hingeline experience airplane have sealed hingeline has become uniform rate turn first time tried increase turn rate Intimidation flying two years about 3/8 inch Down elevator cranked After sealing trimmed out Misset handle neutral positions will often result ship appears pilot turn well direction usually outsides because han dle held naturally neutral some down bias Often trimming gradual ly back vertical neutral will result the 15th consecutive year covering continues go easier & last longer rest 9-. Congratulations Super Coverite magical reincarnation outside turn else has failed make turns equal now time bias elevator direction poorer turn airborne controls arent adjustable youll have bias handle Make line spacing greater direction poorer turn Usually trimming stability response rate turn uniformity will automatically result acceptable tracking maneuvers still have problems consider following try different props Props different manufacture same will oftentimes respond differently Props washed out less pitch tips will generally track better although sometimes little loss line tension above 450 flap per degree elevator will help somewhat tracking have partial-span flaps problem severe can almost guarantee increasing flap span will improve tracking Well gang about does now know everything Fancher knows about designing trimming Stunt ship Whether thats good bad anyones guess including yours Most gospel Some controversial some just plain simply way Fancher sees hope find helpful way couple items Trim Table May 1985 issue mention Wind effects asterisk near future Im going similar project actually flying pattern time Ill covering winds effect length hope look forward Ted Fancher 158 Flying Cloud Isle Foster City CA 94404 CL Scale/Boss Continved page 69 will note scribe circle ink scratched off board leaving white circle point simply continue Bucker Jungmeisier For 049 Engines Ingspan Biplane Suitable 2-4 Channel B/C systems classic its kind An agile biplane tor aerobatics As model really pertorms excellent planlorm durable enjoyable sPip tly RIG contest enests Kit sire @ Weve sot whale line 51 old lavoriteS Please send hOe tsr nor Fl0linn caralag $2995 Phone 17031 273-9593 Onalers OlsirihotOrn nailed FLYLINE MODELS INC PO Box 2136 Fairfax Virginia 22031 4 7 SUPER LOW PRICES *Radios &* Accessories FUTABAO AIRTRONICS 0 KRAFT *Kits Hardware &* Field Accessories Brands 0 Starters 0 Field chargers @ Tachometers *Engines* 0050 SUPER TIGER SAITO 0 ENYA 0 Y5 QUADRA 0 ZENOAH MONTHLY SPECIAL FUTABA PCM $47800 MAIL ORDERS SAME DAY SERVICE S MODEL EXPERTS TO HELP YOU 0 OPEN 7 DAYS CALL US TOLL FREE 800-358-0766 OR WRITE US AT THE LEADING EDGE 1-A Lakewood Plaza Carpentersville IL 60110 October 1985 157 Heres What Youve Been Waiting For.