This CL trainer todays fledgling Stunter solves ma jor configuration problem posed layout new rear-induction Queen Bee engine innovative geodesic type wing construction John Hunton DESIGNED AND BUILT around new Cox Queen Bee 074 engine Apiary excellent trainer newcomer Stunt inverted flight Its capable loops inverted flight figure eights 27-ft Dacron linesand 35-ft lines can get fancier Cox Queen Bee 074 engine fills timely niche has power marginal 049 engines yet still small enough flown short lines Queen Bee could well become standard schoolyard Control Line Sport Stunt flyAbove Apiary uses thick airfoil mak ing outstanding trainer both Stunt inverted flight Note fuel tank slips niche leading edge wing necessary because rearinduction arrangement engine Fuel feed excellent venturi located close fuel tank Below Clay Hunton ex hibiting Apiary model provides ex cellent Stunt capability short 27- 35-ft lines Cox Queen Bee 074 engine equipped muffler provides power ing especially its nice compact muf fler win neighbors approval Queen Bee configuration does have quirka rear induction system pre cludes typical engine-fuel tank installa tion needle valve location remote propeller spray bar too close fuel tank good draw engine fuel tank exceeds norm Most CL models use massive balsa- sheet-covered leading edge D-tube pro vide torsional bending strength wing Locating fuel tank such way interrupts continuity struc ture unacceptable unless adjustments made Apiary solves problem us ing geodesics behind spar stabilize wing against torsional stresses ar rangement permits wing front sec tion nonstructural can cut away provide good fuel tank instal lation Construction wing employs unusual construction procedure Its built vertically rather horizontally Just unconventional fact its built halves front half rear halO method construction lends itself well small workspace wing ribs cut %2 balsa sheet may wish reinforce outer faces front ribs cyanoacrylate glue CyA since rather thin Pin down A-in-sq spars first half wing flat work surface Mark off 2-in lines spars rib spacing Erect rear ribs pairs tepeeAugust 1989 73 fashion glue place Install trailing edges tip rib wing sembly now structurally sound re mainder assembly can done off board Glue front ribs place glue Wing construction unusual built vertically spar back built two halves method produces structural unit can finished being pinned down can built very compact space Note stack-sawn ribs background belicrank-stub spar assembly shown ready install fuselage sure make top bottom l/4-in-sq spar members hardwood hard balsa pushrod made exits close fuselage Queen Bee seen next stub spar Note rear-induction system leading edge Complete basic wing assembly installing / x A-in spar webs Build other wing panel add wing tips root ribs remaining de tails Sand wings fine paper long sanding block produce smooth surface Install weight outer wing line guides inner wing Cover wings heat shrink material Build wing stub spar 14-in-sq stock Use hardwood outer members available otherwise very hard balsa will 3-in Perfect bellcrank selected use prototype Though has nice center bearing bellcrank too large must trimmed utilize inner holes head center screw should also cut off Drill spar assembly bellcrank screw drill hole oversize use No 28 drill 0140 Assemble bellcrank spar using washers suspend near center spar Glue bellcrank screw place Assemble lead-outs exit bellcrank level near center spar aligning wing rib slots Bend pushrod its bellcrank end install bellcrank fuselage cut 3/ x 2-in firm balsa Cut side panels /l6 plywood Use aliphatic resin white glue attach side panels Press parts together firmly until glue dries Sand fuse lage parts smooth Cut stub spar slot drill engine mount No 33 0113 4-40 screws %2-in landing gear holes empennage canopy parts cut %-in medium stock Sand 74 Model Aviation N Note close proximity fuel tank venturi muffler pressure piping system shown proved unnecessary close tank intake arrangement Queen Bee comes equipped nice muffler Also note head tapped short glow plugno glow heads replace stub spar seen photo has installed through fuselage construction method employed wings requires dont carry through fuseisge Foam mounting fuel tank proved unnecessary Triangulation rear ribs provides good torsional stiffness leading edge wing can cut away show fuel tank installation Construction light simple round off leading edges sand parts smooth Drafting Mylar makes great hinges Simply cut slot knife slip hinges apply drop CyA Finishing Use appropriate primer pre finish model Apply two coats sur faces except wing Sand fine paper between coats Scrape primer mating surfac es assemble empennage stub spar fuselage CyA Use baking soda CyA form nice strong fillets Form top loop landing gear push place cement Install canopy tail skid Finish model applying two coats color fuselage empennage Trim desired dry Final assembly Inserting lead-outs tip guides deceptively easy youre using A-in guides slip 12-in length tubing wing through guides Slip lead-outs /16 tubing push wing assembly place Remove 1/16 tubing epoxy ends wing panels press place Make elevator pushrod end stall elevator horn Make bottom leg landing gear install wheel Make lead-out ends Install fuel tank engine Use 7 x 4 7 x 6 propeller prototype uses tapped muffler provide pressure fuel system isnt really necessary model has flown muffler pres sure fuel tank feeds just fine Flying elevator neutral Apiary will take off itself Maintain con trol Line tension needed controls operate minimal plane fly ing slowly dont rush takeoff Use gentle control input keep airspeed up Once youre familiar models flight characteristics start practicing ma neuvers Begin wingovers pro gress loops beginner Stunt inverted flight cant go wrong Queen Bee Apiary Its nifty up-to-date choice Sport Stunt CL trainer V 1/2 oz WEIGHT I/B BALSA CANOPY ~I/4xI SLOT 4-40s11/16 FLYWOOD 510 3/32 MWI 1/2 WHEE COX QUEEN BEE 074 -I PERFECTV 2 no 19 20 \IH TANK rn 1-1/16 SH 1j 4Z2 GUll NOTE WIRE THROTTLE OPEN END OF STUB SPAR CUT-DOWN 3 PERFECT BELLCRAN STUB SPAR /41 SQ HARD LU HARt BALANCEAERE PL II U 1/8 BALSA FIN / / —1/16 TESGLASS CLOTH O SKID 0I2So kIch. DRAFTING j MYLAR HINGES SHEETI BALSA TEiily 1/8 SHEET BALSAT BALSA 1/16 PUSHROD KII NOTE OFFSET~II FRONT RIB lIh TYPICAL RIBI \ RIB 2 7T T IL YPICAL REAR RIB RIB 3 rs RIB4 NOTE ALL RIBS 3/32 BALSA APIARY CL SPORT STUNTHUNTON 89 August 1989 75 Dont Fly Control Line Models Near Power Lines Basic assemblies Apiary shown ready final priming sanding Primers can either nitrate butyrate clear dope using dope final finish automotive primer us ing epoxy polyurethane enamel finishes Test first certain Sand between coats apply finish coats Wing covering can silkspan lightweight heat shrink ma terial Cover wing panels before final assembly See text feeding lead-outs through inboard wing Dont forget install wing tip weight outboard wing panel
Edition: Model Aviation - 1989/08
Page Numbers: 73, 74, 75
Edition: Model Aviation - 1989/08
Page Numbers: 73, 74, 75
This CL trainer todays fledgling Stunter solves ma jor configuration problem posed layout new rear-induction Queen Bee engine innovative geodesic type wing construction John Hunton DESIGNED AND BUILT around new Cox Queen Bee 074 engine Apiary excellent trainer newcomer Stunt inverted flight Its capable loops inverted flight figure eights 27-ft Dacron linesand 35-ft lines can get fancier Cox Queen Bee 074 engine fills timely niche has power marginal 049 engines yet still small enough flown short lines Queen Bee could well become standard schoolyard Control Line Sport Stunt flyAbove Apiary uses thick airfoil mak ing outstanding trainer both Stunt inverted flight Note fuel tank slips niche leading edge wing necessary because rearinduction arrangement engine Fuel feed excellent venturi located close fuel tank Below Clay Hunton ex hibiting Apiary model provides ex cellent Stunt capability short 27- 35-ft lines Cox Queen Bee 074 engine equipped muffler provides power ing especially its nice compact muf fler win neighbors approval Queen Bee configuration does have quirka rear induction system pre cludes typical engine-fuel tank installa tion needle valve location remote propeller spray bar too close fuel tank good draw engine fuel tank exceeds norm Most CL models use massive balsa- sheet-covered leading edge D-tube pro vide torsional bending strength wing Locating fuel tank such way interrupts continuity struc ture unacceptable unless adjustments made Apiary solves problem us ing geodesics behind spar stabilize wing against torsional stresses ar rangement permits wing front sec tion nonstructural can cut away provide good fuel tank instal lation Construction wing employs unusual construction procedure Its built vertically rather horizontally Just unconventional fact its built halves front half rear halO method construction lends itself well small workspace wing ribs cut %2 balsa sheet may wish reinforce outer faces front ribs cyanoacrylate glue CyA since rather thin Pin down A-in-sq spars first half wing flat work surface Mark off 2-in lines spars rib spacing Erect rear ribs pairs tepeeAugust 1989 73 fashion glue place Install trailing edges tip rib wing sembly now structurally sound re mainder assembly can done off board Glue front ribs place glue Wing construction unusual built vertically spar back built two halves method produces structural unit can finished being pinned down can built very compact space Note stack-sawn ribs background belicrank-stub spar assembly shown ready install fuselage sure make top bottom l/4-in-sq spar members hardwood hard balsa pushrod made exits close fuselage Queen Bee seen next stub spar Note rear-induction system leading edge Complete basic wing assembly installing / x A-in spar webs Build other wing panel add wing tips root ribs remaining de tails Sand wings fine paper long sanding block produce smooth surface Install weight outer wing line guides inner wing Cover wings heat shrink material Build wing stub spar 14-in-sq stock Use hardwood outer members available otherwise very hard balsa will 3-in Perfect bellcrank selected use prototype Though has nice center bearing bellcrank too large must trimmed utilize inner holes head center screw should also cut off Drill spar assembly bellcrank screw drill hole oversize use No 28 drill 0140 Assemble bellcrank spar using washers suspend near center spar Glue bellcrank screw place Assemble lead-outs exit bellcrank level near center spar aligning wing rib slots Bend pushrod its bellcrank end install bellcrank fuselage cut 3/ x 2-in firm balsa Cut side panels /l6 plywood Use aliphatic resin white glue attach side panels Press parts together firmly until glue dries Sand fuse lage parts smooth Cut stub spar slot drill engine mount No 33 0113 4-40 screws %2-in landing gear holes empennage canopy parts cut %-in medium stock Sand 74 Model Aviation N Note close proximity fuel tank venturi muffler pressure piping system shown proved unnecessary close tank intake arrangement Queen Bee comes equipped nice muffler Also note head tapped short glow plugno glow heads replace stub spar seen photo has installed through fuselage construction method employed wings requires dont carry through fuseisge Foam mounting fuel tank proved unnecessary Triangulation rear ribs provides good torsional stiffness leading edge wing can cut away show fuel tank installation Construction light simple round off leading edges sand parts smooth Drafting Mylar makes great hinges Simply cut slot knife slip hinges apply drop CyA Finishing Use appropriate primer pre finish model Apply two coats sur faces except wing Sand fine paper between coats Scrape primer mating surfac es assemble empennage stub spar fuselage CyA Use baking soda CyA form nice strong fillets Form top loop landing gear push place cement Install canopy tail skid Finish model applying two coats color fuselage empennage Trim desired dry Final assembly Inserting lead-outs tip guides deceptively easy youre using A-in guides slip 12-in length tubing wing through guides Slip lead-outs /16 tubing push wing assembly place Remove 1/16 tubing epoxy ends wing panels press place Make elevator pushrod end stall elevator horn Make bottom leg landing gear install wheel Make lead-out ends Install fuel tank engine Use 7 x 4 7 x 6 propeller prototype uses tapped muffler provide pressure fuel system isnt really necessary model has flown muffler pres sure fuel tank feeds just fine Flying elevator neutral Apiary will take off itself Maintain con trol Line tension needed controls operate minimal plane fly ing slowly dont rush takeoff Use gentle control input keep airspeed up Once youre familiar models flight characteristics start practicing ma neuvers Begin wingovers pro gress loops beginner Stunt inverted flight cant go wrong Queen Bee Apiary Its nifty up-to-date choice Sport Stunt CL trainer V 1/2 oz WEIGHT I/B BALSA CANOPY ~I/4xI SLOT 4-40s11/16 FLYWOOD 510 3/32 MWI 1/2 WHEE COX QUEEN BEE 074 -I PERFECTV 2 no 19 20 \IH TANK rn 1-1/16 SH 1j 4Z2 GUll NOTE WIRE THROTTLE OPEN END OF STUB SPAR CUT-DOWN 3 PERFECT BELLCRAN STUB SPAR /41 SQ HARD LU HARt BALANCEAERE PL II U 1/8 BALSA FIN / / —1/16 TESGLASS CLOTH O SKID 0I2So kIch. DRAFTING j MYLAR HINGES SHEETI BALSA TEiily 1/8 SHEET BALSAT BALSA 1/16 PUSHROD KII NOTE OFFSET~II FRONT RIB lIh TYPICAL RIBI \ RIB 2 7T T IL YPICAL REAR RIB RIB 3 rs RIB4 NOTE ALL RIBS 3/32 BALSA APIARY CL SPORT STUNTHUNTON 89 August 1989 75 Dont Fly Control Line Models Near Power Lines Basic assemblies Apiary shown ready final priming sanding Primers can either nitrate butyrate clear dope using dope final finish automotive primer us ing epoxy polyurethane enamel finishes Test first certain Sand between coats apply finish coats Wing covering can silkspan lightweight heat shrink ma terial Cover wing panels before final assembly See text feeding lead-outs through inboard wing Dont forget install wing tip weight outboard wing panel
Edition: Model Aviation - 1989/08
Page Numbers: 73, 74, 75
This CL trainer todays fledgling Stunter solves ma jor configuration problem posed layout new rear-induction Queen Bee engine innovative geodesic type wing construction John Hunton DESIGNED AND BUILT around new Cox Queen Bee 074 engine Apiary excellent trainer newcomer Stunt inverted flight Its capable loops inverted flight figure eights 27-ft Dacron linesand 35-ft lines can get fancier Cox Queen Bee 074 engine fills timely niche has power marginal 049 engines yet still small enough flown short lines Queen Bee could well become standard schoolyard Control Line Sport Stunt flyAbove Apiary uses thick airfoil mak ing outstanding trainer both Stunt inverted flight Note fuel tank slips niche leading edge wing necessary because rearinduction arrangement engine Fuel feed excellent venturi located close fuel tank Below Clay Hunton ex hibiting Apiary model provides ex cellent Stunt capability short 27- 35-ft lines Cox Queen Bee 074 engine equipped muffler provides power ing especially its nice compact muf fler win neighbors approval Queen Bee configuration does have quirka rear induction system pre cludes typical engine-fuel tank installa tion needle valve location remote propeller spray bar too close fuel tank good draw engine fuel tank exceeds norm Most CL models use massive balsa- sheet-covered leading edge D-tube pro vide torsional bending strength wing Locating fuel tank such way interrupts continuity struc ture unacceptable unless adjustments made Apiary solves problem us ing geodesics behind spar stabilize wing against torsional stresses ar rangement permits wing front sec tion nonstructural can cut away provide good fuel tank instal lation Construction wing employs unusual construction procedure Its built vertically rather horizontally Just unconventional fact its built halves front half rear halO method construction lends itself well small workspace wing ribs cut %2 balsa sheet may wish reinforce outer faces front ribs cyanoacrylate glue CyA since rather thin Pin down A-in-sq spars first half wing flat work surface Mark off 2-in lines spars rib spacing Erect rear ribs pairs tepeeAugust 1989 73 fashion glue place Install trailing edges tip rib wing sembly now structurally sound re mainder assembly can done off board Glue front ribs place glue Wing construction unusual built vertically spar back built two halves method produces structural unit can finished being pinned down can built very compact space Note stack-sawn ribs background belicrank-stub spar assembly shown ready install fuselage sure make top bottom l/4-in-sq spar members hardwood hard balsa pushrod made exits close fuselage Queen Bee seen next stub spar Note rear-induction system leading edge Complete basic wing assembly installing / x A-in spar webs Build other wing panel add wing tips root ribs remaining de tails Sand wings fine paper long sanding block produce smooth surface Install weight outer wing line guides inner wing Cover wings heat shrink material Build wing stub spar 14-in-sq stock Use hardwood outer members available otherwise very hard balsa will 3-in Perfect bellcrank selected use prototype Though has nice center bearing bellcrank too large must trimmed utilize inner holes head center screw should also cut off Drill spar assembly bellcrank screw drill hole oversize use No 28 drill 0140 Assemble bellcrank spar using washers suspend near center spar Glue bellcrank screw place Assemble lead-outs exit bellcrank level near center spar aligning wing rib slots Bend pushrod its bellcrank end install bellcrank fuselage cut 3/ x 2-in firm balsa Cut side panels /l6 plywood Use aliphatic resin white glue attach side panels Press parts together firmly until glue dries Sand fuse lage parts smooth Cut stub spar slot drill engine mount No 33 0113 4-40 screws %2-in landing gear holes empennage canopy parts cut %-in medium stock Sand 74 Model Aviation N Note close proximity fuel tank venturi muffler pressure piping system shown proved unnecessary close tank intake arrangement Queen Bee comes equipped nice muffler Also note head tapped short glow plugno glow heads replace stub spar seen photo has installed through fuselage construction method employed wings requires dont carry through fuseisge Foam mounting fuel tank proved unnecessary Triangulation rear ribs provides good torsional stiffness leading edge wing can cut away show fuel tank installation Construction light simple round off leading edges sand parts smooth Drafting Mylar makes great hinges Simply cut slot knife slip hinges apply drop CyA Finishing Use appropriate primer pre finish model Apply two coats sur faces except wing Sand fine paper between coats Scrape primer mating surfac es assemble empennage stub spar fuselage CyA Use baking soda CyA form nice strong fillets Form top loop landing gear push place cement Install canopy tail skid Finish model applying two coats color fuselage empennage Trim desired dry Final assembly Inserting lead-outs tip guides deceptively easy youre using A-in guides slip 12-in length tubing wing through guides Slip lead-outs /16 tubing push wing assembly place Remove 1/16 tubing epoxy ends wing panels press place Make elevator pushrod end stall elevator horn Make bottom leg landing gear install wheel Make lead-out ends Install fuel tank engine Use 7 x 4 7 x 6 propeller prototype uses tapped muffler provide pressure fuel system isnt really necessary model has flown muffler pres sure fuel tank feeds just fine Flying elevator neutral Apiary will take off itself Maintain con trol Line tension needed controls operate minimal plane fly ing slowly dont rush takeoff Use gentle control input keep airspeed up Once youre familiar models flight characteristics start practicing ma neuvers Begin wingovers pro gress loops beginner Stunt inverted flight cant go wrong Queen Bee Apiary Its nifty up-to-date choice Sport Stunt CL trainer V 1/2 oz WEIGHT I/B BALSA CANOPY ~I/4xI SLOT 4-40s11/16 FLYWOOD 510 3/32 MWI 1/2 WHEE COX QUEEN BEE 074 -I PERFECTV 2 no 19 20 \IH TANK rn 1-1/16 SH 1j 4Z2 GUll NOTE WIRE THROTTLE OPEN END OF STUB SPAR CUT-DOWN 3 PERFECT BELLCRAN STUB SPAR /41 SQ HARD LU HARt BALANCEAERE PL II U 1/8 BALSA FIN / / —1/16 TESGLASS CLOTH O SKID 0I2So kIch. DRAFTING j MYLAR HINGES SHEETI BALSA TEiily 1/8 SHEET BALSAT BALSA 1/16 PUSHROD KII NOTE OFFSET~II FRONT RIB lIh TYPICAL RIBI \ RIB 2 7T T IL YPICAL REAR RIB RIB 3 rs RIB4 NOTE ALL RIBS 3/32 BALSA APIARY CL SPORT STUNTHUNTON 89 August 1989 75 Dont Fly Control Line Models Near Power Lines Basic assemblies Apiary shown ready final priming sanding Primers can either nitrate butyrate clear dope using dope final finish automotive primer us ing epoxy polyurethane enamel finishes Test first certain Sand between coats apply finish coats Wing covering can silkspan lightweight heat shrink ma terial Cover wing panels before final assembly See text feeding lead-outs through inboard wing Dont forget install wing tip weight outboard wing panel
