Rockette

DID YOU EVER dream designing own model test flying few times taking Nationals win ning Well thats exactly what hap pened looking good rocket round out fleet free flights saw R F Tanner flying rocket Clarks dale Miss Memorial Day 72 surprise learned living Memphis time got touch him take look model Us ing some basic ideas stretched out design changed airfoil di edral come up Rockette took about two weeks build out plans guide being feel what wanted some fundamental dimensions fact have spent hours article did building model finished Rockettes exten sive testing program consisted four flights three trimming flights cheek power glide patterns flew well right off board could sense greater potential imagined fourth flight took place bean field Arkansas plenty room chase thermals abundant main thing needed know now would ride thermal found out first attempt launched boomer got high its power run some gas ships get 10sec motor runs kept climbing stable glide circle no stalling tend ency dive DTd after 30 seconds took about minute half come down gives some idea high After flight packed up decided fly again risk damaging losing before Nationals So after four test flights Rockette won first place 72 Nats Truly Cinderella story free fighter first built 1972 model intended fly Nationals no idea would hold up well has through last three years contests Somehow has man aged escape airplane-eating trees getting lost high grass fact much time have able catch before touched ground Circumstances prevented making 73 Nats Lake Charles 74 Rockette took second place has won few other lo cal contests along way building Rockette want keep light warp-free possible less warps smoother will move through air give better performance Choosing right wood job trick good building hobby shop owner will give wary look plow through wood little care choosing light straight well-grained wood will pay big rewards strong light competitive airplane up pick good air win contest way should model fairly easy build has simple uncluttered lines have never believer fancy-looking models being able fly better plain ones May1977 55 Photos Allen Worley Bill says never believer fancy-looking models being eble fly better plain ones thermals dont care fancy looks good flier can make bad design look good poor flier can make good design look bad After thermal doesnt care fancy plane looks clamor find good design look ing over contest results think important look flier flies plane what flying plane doesnt have spectacular climb excellent glide what does have good steady climb consistent glide pattern flight Cou ple reliable system ignite rocket time misfire left free spend time pick ing thermals Out six flights Nats competition misfire Once upon time tried share secrets others no would listen So interested dependable firing system getting set washers last 10 12 flights look up contest sometime maybe can talk out some secrets will give away secret always use screen dont already keeps trash breaking away surface first pellet clogging nozzle terrupting power flow suggested 74 Nats Free Flight Symposium leave out screen sprinkle loose ground-up pellet onto last pellet get light saw some people using method competition stood around waiting motor stop sputtering plane 20 feet high climbing fly plane left left using about 10 right-thrust keep nose up power pattern used have lot trou ble other designs climbing nicely nosing over powering about half way motor run longer motor runs pressure seems build up faster plane goes also effective little warps become warp doesnt show up glide pattern can disas trous high-speed climbing portion flight have pile balsa wood confetti ground will never know what caused crash launching dont try throw plane hard motor still little weak thrust first plane stalls early flight takes long time recover start back up launch would test glide should smoothly start its climb get ting steeper goes up slight left turn about 1 turns power flight leads us competition game can catch thermals Pay attention details load motor carefully check over plane before flight making sure thewing stab lined up everything ready go Remember some form lift plane wont max Generally good foundation hand-launch glider will provide feel picking air helpful successful rocket flying As friend Prof George Perryman always says nothing haste except chase Construction Start wing construction gluing ce 3/16 X /8 balsa lead ing edge spruce cap stripping may seem expensive consideration weight continued page 100 56 Model Aviation Banded up ready go After dethermalizing 30 seconds flight may take 90 seconds descend ground Sharp leading edge intended have turbulator effect Stabilizer popped-up position shows stab cidence block DT snuffer tube extreme tail end fuselage Custom Blended Bill Hager 5214 N Dixie Drive Dayton Ohio 45414 lage propeller nose block should given least three coats dope before assembling Ensure propeller blades properly balanced track properly Finished weight propeller assembly should exceed 24 grams Flight Preparation Make up least two /4 rubber motors 16 strands After washing drying lubing motors break initially using stationary stretch method hammer two large nails securely fence about six motor lengths apart motor stretched over nails left live minutes stretched motors should about 42 long Now assemble completed model insert rubber motor Check align ment wing wash-in incidence thrust correct Also verify CG loca tion prop blades folded Shift posi tion D-T timer necessary ensure CG located precisely shown plan Ready fly weight should equal less 222-gram total itemized plan modeler interested serious un limited rubber competition believe re liable sturdy winder winding stooge musts winding stooge custom de signed own car relatively easy build twin advantages im movable holder winding freedom test fly alone significant Flying Under calm conditions hand glide model add packing under sta bilizer leading trailing edge until GM Fuel Dayton Nationals model floats just slight left turn ship should very docile adjust under power Start about 200 turns model should climb right straighten out before prop folds glide left Use thrust adjust ments rudder tab stab tilt obtain pattern Proceed increments until full turns reached Under full power model should climb steep right corkscrew nose pointed up until just before prop folds Motor run should about minute advantages unlimited rubber class duration potential exceeds flight maximum unless down air encountered Unlike Wakefield therefore believe mandatory wind motor absolute capacity flight normally wind motors Big Boy between 700-750 turns depending feel rubber Maximum capacity contrast about 800 turns Sig FAI Model Supply rubber opin ion equivalent Pirelli Wake field events certainly adequate Big Boy Because its smooth texture also less liable nick break several occasions have used same motor three competitive flights unable build Big Boy down structural weight shown plan climb suffers accordingly suggest increase power 16 18 strands real joys un limited rubber event watch model climb great height may unless thermal assisted under powered Try unlimited rubberyoull like Fancy Pants/Margolin continued page 40 exhibited same smooth characteris tics Just sure ship balanced indicated plans little nose weight desirable can go heavier gauge aluminum landing gear plenty fuelproofing engine com partment usually will put balance ball park Lots fun building flying R ockette/J enki ns continued page 57 intended protect leading edge nicks dents Also gluing balsa leading edge gives chance straighten out warps have straight leading edge work sand shape leading edge before gluing framework gether keep putting stress 1/32 ribs Rockettes leading edge sanded sharper angle other air foils have seen seems give slight turbulator effect keep wing light 1/32 ribs used except three center ribs dihedral ribs 1/16 strength building block up trailing edge 1/32 50 will better follow line undercamber Glue ribs leading trailing edges insert top spars dry turn frame work over glue bottom spar may seem unusual bottom spar lie flat always have trouble getting tissue follow undercamber gives tissue surface ad make wing tip allow spars extend past last rib about /8 sand off angle capping wing tips light sheet 1/32 Sand airfoil shape finished tips before gluing dihedral joints because easier han dle tip itself dihedral joint made sanding ends center Tageriet Engines Similar familiar Jetex engines Japanese engines imported Canadian distributor Type equiva lent Jetex 50 Type B Jetex 150 Prices Type $650 Type B $850 Fuel 10 pellets Type $350 6 pellets Type B $350 Academy Products Ltd 51 Millwick Dr Weston Ont Canada 100 Model Aviation 5% nitro $650 gallon 10% nitro $725 gallon 15% nitro -$800 gallon 54 gallon drum 15% $21954 HARRYS HOBBIES WE SHIP FREE WITH 100 GALLON ORDER ooductreviewproduetreviewproduvtrviewproductreview COX ENGINES COX/SANWA RIC SYSTEMS AIRTRONICS KITS Send Complete Catalog 1525 E Warner Ave Santa Ana CA 92702 HOBBIES section ends tip mate evenlyeach sharing angle joint dihedral rib following angle used red tissue top wing stab black bot tom After years trying different colors decided best combination As plane drifts away timer becomes little speck sky black seems stay visible longer red easy spot grass wheat beans cotton except certain time year little yellow red blooms pop out stab easy build enough attention must paid selection wood construction produce warp-free structure cutting out spars leading edge trailing edge leave about I/s excess end finish tips like wing tips Glue frame work together dry sand tips angle cap 1/32 sheet Sand airfoil shape Cut three pieces cen ter-section planking 1/32 sheet piece should fit between leading edge first spar second piece tween first second spars third piece between second spar trailing edge three pieces should fit snugly between ribs Curve slightly match curve airfoil glue place strengthen leading edge split 3/32 dowel inset center leading edge being careful cut leading edge two dry sand shape leading edge Cover stab bend epoxy place 1/32 wire used lightweight A-grain sheet fuselage sides top bottom just enough formers keep sides square point B just behind pylon about inch half nose sufficient After cutting out fuselage sections according plans glue two side sections bottom formers place sure glue plywood motor mount inside bottom fuselage making long enough give ample room adjusting motor attain cor rect CG dry glue top fuselage place Allow dry glue nose block place sand shape after glue has set shape Rock ettes nose departure current trend rockets cut nose off just ahead motor believe long er nose adds aerodynamic efficiency design produces stable glide Next sand body smooth glue pylons place being sure right slightly taller left give wing built-in tilt left glide Check plans details Cut 3/32 dowels length Wrap dowel piece fine sandpaper gently sand top pylon shapes top pylon curvature dowel Glue dowels place Next glue power source youll need years glow plug lights new GloBee Fire Plug GloBee Fire Plug igniterits completely inte grated glow plug starting system Its easy-to-operate rheostat con trol lever provides optimum current match weather stab rest place Shaping rudder form DT stop old effective trick elimi nate use DT wire Quarter-grain used keep rudder warping having use stiffner piece Cut rudder shape glue position dry glue er re inforcements also provide surface stab rest against Now 1/4 aluminum tube DT fuse can glued place 3/32 wire block added Install 1/32 plywood motor mount again leaving long enough adjust motor CG /4 soldering lug bent glued body ahead conditions fuels exact ignition specifications particular glow plug Its easy-toread 0-10 amp ammeter shows precise power output will tell glance plug good engine flooded self-contained 2 volt battery may recharged over 150 times has fully charged rating 5 ampere hours peak power 200 watts circuitry safety fused 2 diameter highimpact polypropylene case has fluted base convenient han dling have add lead wires plug donnector choice color-coded labeled terminals motor mount provide base wire tether required AMA Should used times keep motor hanging around Finish model two coats 50-50 dope keep light Use Jetex 150 mo tor attain CG rubberband motor clip empty motor onto body Slide motor back forth until model balances Mark pen Test glide model make sure glide smooth stable Adjust motor un til satisfied glide mount motor clip final word about Natsif serious about winning dont let size meet overwhelm Just think May1977 101 Fire Plug. optimum starting power need 6 Buy GloBee Fire Plug hobby dealer today. enjoy years fast reliable engine starts perfectly matched special requirements DIVISION OF EMERSON ELECTRIC CO 6000 Fernview Avg Cincinnati Ohio 45212 small meet lot people patience skill catching thermals little old-fashioned luck could win first place Nationals Yen Fly/Hannan continued page 59 building hand-launched model Cut additional short piece stock nose piece shown glue time Bend rear rubber hook thin music wire force rear fuse lage stick secure film model airplane cement epoxy White glue Titebond seem adhere well wire Decor The decorations add charm aircraft may applied ei ther two ways Fastest probably neatest unless have un usually steady hand simply draw brown black fiber-point pen second difficult meth od cut markings colored tis sue paper good approach to trace characters onto thin paper tape over colored tissue turn taped sheet cardboard sharp-pointed modeling knife used carefully cut through tracing paper colored tissue just slightly cardboard beneath results should clean neat tissue edges Note both YEN signs may cut once using two layers tissue Apply characters clear dope Assaubly Glue wing onto fuselage stick being certain properly aligned Add vertical fin centering assembly viewed top should also vertical seen front model Balancing aircraft somewhat dif ferent usual Slip North Pacific Skeeter propeller bearing assembly onto front fuselage stick will course loose fit stage model should balance near point indi cated plans Probably however will slightly nose-heavy cut small amount off front fuselage stick replace prop assembly bal ance again Repeat until model will hang level supported finger-tips side balance point Now glue lower nose piece bevel top fuselage stick obtain downthrust angle Reinstall propeller assembly Flying Install short loop 3/32 la rubber try few test glides may performed indoors have enough room space outside calm conditions craft should have long straight glide model dives trim tiny bit off front fuselage stick try again stalls small amount clay ballast may added fuse lage front Now wind about 75 100 turns rubber motor launch gently model turns excessively may correct ed bending paper rudder opposite direction turn extreme cases tiny amount clay ballast may need added wing tip opposite di rection turn Gradually increase number motor winds until model can safely handle full row knots An increase power may however bring about need slight changes balance turn adjustments Next longer lubed rubber motor may installed winder wound best performance may wish experiment different sizes loop lengths model loops under high power slightly crease downthrust angle Optional This craft may easily equipped landing gear will permit rise-off-ground starts some decrease overall performance com plete landing gear assembly North Pacific Sleek Streek may installed forcing Skeeter prop bearing assembly landing gear wire held po sition fuselage stick Alternatively could bend own wire gear legs add small-diameter balsa light weight plastic wheels Naturally fuse lage stick will need shortened lower nose piece reinstalled restore correct balance model change landing gear resulted need 102 Model Aviation MODEL AND CRAFT SHOW RADIO CONTROL PLANES COPTERS S U-CONTROL * FREE FLIGHT INDOOR-OUTDOOR DEMONSTRATIONS GIANT STATIC DISPLAY CONTEST public ver 200 Awardsi IA AC ANNUAL 2 DAYS ONLY RDAY & SUNDAY MAY7 MAY8 10 AM -8 PMj 11 AM -6 PM SEE IT ALL OVER 250 EXHIBITORS 0 SQ FT LA NONSELLING SHOW CONVENTION CENTER ANAHEIM CALIFORNIA

DID YOU EVER dream designing own model test flying few times taking Nationals win ning Well thats exactly what hap pened looking good rocket round out fleet free flights saw R F Tanner flying rocket Clarks dale Miss Memorial Day 72 surprise learned living Memphis time got touch him take look model Us ing some basic ideas stretched out design changed airfoil di edral come up Rockette took about two weeks build out plans guide being feel what wanted some fundamental dimensions fact have spent hours article did building model finished Rockettes exten sive testing program consisted four flights three trimming flights cheek power glide patterns flew well right off board could sense greater potential imagined fourth flight took place bean field Arkansas plenty room chase thermals abundant main thing needed know now would ride thermal found out first attempt launched boomer got high its power run some gas ships get 10sec motor runs kept climbing stable glide circle no stalling tend ency dive DTd after 30 seconds took about minute half come down gives some idea high After flight packed up decided fly again risk damaging losing before Nationals So after four test flights Rockette won first place 72 Nats Truly Cinderella story free fighter first built 1972 model intended fly Nationals no idea would hold up well has through last three years contests Somehow has man aged escape airplane-eating trees getting lost high grass fact much time have able catch before touched ground Circumstances prevented making 73 Nats Lake Charles 74 Rockette took second place has won few other lo cal contests along way building Rockette want keep light warp-free possible less warps smoother will move through air give better performance Choosing right wood job trick good building hobby shop owner will give wary look plow through wood little care choosing light straight well-grained wood will pay big rewards strong light competitive airplane up pick good air win contest way should model fairly easy build has simple uncluttered lines have never believer fancy-looking models being able fly better plain ones May1977 55 Photos Allen Worley Bill says never believer fancy-looking models being eble fly better plain ones thermals dont care fancy looks good flier can make bad design look good poor flier can make good design look bad After thermal doesnt care fancy plane looks clamor find good design look ing over contest results think important look flier flies plane what flying plane doesnt have spectacular climb excellent glide what does have good steady climb consistent glide pattern flight Cou ple reliable system ignite rocket time misfire left free spend time pick ing thermals Out six flights Nats competition misfire Once upon time tried share secrets others no would listen So interested dependable firing system getting set washers last 10 12 flights look up contest sometime maybe can talk out some secrets will give away secret always use screen dont already keeps trash breaking away surface first pellet clogging nozzle terrupting power flow suggested 74 Nats Free Flight Symposium leave out screen sprinkle loose ground-up pellet onto last pellet get light saw some people using method competition stood around waiting motor stop sputtering plane 20 feet high climbing fly plane left left using about 10 right-thrust keep nose up power pattern used have lot trou ble other designs climbing nicely nosing over powering about half way motor run longer motor runs pressure seems build up faster plane goes also effective little warps become warp doesnt show up glide pattern can disas trous high-speed climbing portion flight have pile balsa wood confetti ground will never know what caused crash launching dont try throw plane hard motor still little weak thrust first plane stalls early flight takes long time recover start back up launch would test glide should smoothly start its climb get ting steeper goes up slight left turn about 1 turns power flight leads us competition game can catch thermals Pay attention details load motor carefully check over plane before flight making sure thewing stab lined up everything ready go Remember some form lift plane wont max Generally good foundation hand-launch glider will provide feel picking air helpful successful rocket flying As friend Prof George Perryman always says nothing haste except chase Construction Start wing construction gluing ce 3/16 X /8 balsa lead ing edge spruce cap stripping may seem expensive consideration weight continued page 100 56 Model Aviation Banded up ready go After dethermalizing 30 seconds flight may take 90 seconds descend ground Sharp leading edge intended have turbulator effect Stabilizer popped-up position shows stab cidence block DT snuffer tube extreme tail end fuselage Custom Blended Bill Hager 5214 N Dixie Drive Dayton Ohio 45414 lage propeller nose block should given least three coats dope before assembling Ensure propeller blades properly balanced track properly Finished weight propeller assembly should exceed 24 grams Flight Preparation Make up least two /4 rubber motors 16 strands After washing drying lubing motors break initially using stationary stretch method hammer two large nails securely fence about six motor lengths apart motor stretched over nails left live minutes stretched motors should about 42 long Now assemble completed model insert rubber motor Check align ment wing wash-in incidence thrust correct Also verify CG loca tion prop blades folded Shift posi tion D-T timer necessary ensure CG located precisely shown plan Ready fly weight should equal less 222-gram total itemized plan modeler interested serious un limited rubber competition believe re liable sturdy winder winding stooge musts winding stooge custom de signed own car relatively easy build twin advantages im movable holder winding freedom test fly alone significant Flying Under calm conditions hand glide model add packing under sta bilizer leading trailing edge until GM Fuel Dayton Nationals model floats just slight left turn ship should very docile adjust under power Start about 200 turns model should climb right straighten out before prop folds glide left Use thrust adjust ments rudder tab stab tilt obtain pattern Proceed increments until full turns reached Under full power model should climb steep right corkscrew nose pointed up until just before prop folds Motor run should about minute advantages unlimited rubber class duration potential exceeds flight maximum unless down air encountered Unlike Wakefield therefore believe mandatory wind motor absolute capacity flight normally wind motors Big Boy between 700-750 turns depending feel rubber Maximum capacity contrast about 800 turns Sig FAI Model Supply rubber opin ion equivalent Pirelli Wake field events certainly adequate Big Boy Because its smooth texture also less liable nick break several occasions have used same motor three competitive flights unable build Big Boy down structural weight shown plan climb suffers accordingly suggest increase power 16 18 strands real joys un limited rubber event watch model climb great height may unless thermal assisted under powered Try unlimited rubberyoull like Fancy Pants/Margolin continued page 40 exhibited same smooth characteris tics Just sure ship balanced indicated plans little nose weight desirable can go heavier gauge aluminum landing gear plenty fuelproofing engine com partment usually will put balance ball park Lots fun building flying R ockette/J enki ns continued page 57 intended protect leading edge nicks dents Also gluing balsa leading edge gives chance straighten out warps have straight leading edge work sand shape leading edge before gluing framework gether keep putting stress 1/32 ribs Rockettes leading edge sanded sharper angle other air foils have seen seems give slight turbulator effect keep wing light 1/32 ribs used except three center ribs dihedral ribs 1/16 strength building block up trailing edge 1/32 50 will better follow line undercamber Glue ribs leading trailing edges insert top spars dry turn frame work over glue bottom spar may seem unusual bottom spar lie flat always have trouble getting tissue follow undercamber gives tissue surface ad make wing tip allow spars extend past last rib about /8 sand off angle capping wing tips light sheet 1/32 Sand airfoil shape finished tips before gluing dihedral joints because easier han dle tip itself dihedral joint made sanding ends center Tageriet Engines Similar familiar Jetex engines Japanese engines imported Canadian distributor Type equiva lent Jetex 50 Type B Jetex 150 Prices Type $650 Type B $850 Fuel 10 pellets Type $350 6 pellets Type B $350 Academy Products Ltd 51 Millwick Dr Weston Ont Canada 100 Model Aviation 5% nitro $650 gallon 10% nitro $725 gallon 15% nitro -$800 gallon 54 gallon drum 15% $21954 HARRYS HOBBIES WE SHIP FREE WITH 100 GALLON ORDER ooductreviewproduetreviewproduvtrviewproductreview COX ENGINES COX/SANWA RIC SYSTEMS AIRTRONICS KITS Send Complete Catalog 1525 E Warner Ave Santa Ana CA 92702 HOBBIES section ends tip mate evenlyeach sharing angle joint dihedral rib following angle used red tissue top wing stab black bot tom After years trying different colors decided best combination As plane drifts away timer becomes little speck sky black seems stay visible longer red easy spot grass wheat beans cotton except certain time year little yellow red blooms pop out stab easy build enough attention must paid selection wood construction produce warp-free structure cutting out spars leading edge trailing edge leave about I/s excess end finish tips like wing tips Glue frame work together dry sand tips angle cap 1/32 sheet Sand airfoil shape Cut three pieces cen ter-section planking 1/32 sheet piece should fit between leading edge first spar second piece tween first second spars third piece between second spar trailing edge three pieces should fit snugly between ribs Curve slightly match curve airfoil glue place strengthen leading edge split 3/32 dowel inset center leading edge being careful cut leading edge two dry sand shape leading edge Cover stab bend epoxy place 1/32 wire used lightweight A-grain sheet fuselage sides top bottom just enough formers keep sides square point B just behind pylon about inch half nose sufficient After cutting out fuselage sections according plans glue two side sections bottom formers place sure glue plywood motor mount inside bottom fuselage making long enough give ample room adjusting motor attain cor rect CG dry glue top fuselage place Allow dry glue nose block place sand shape after glue has set shape Rock ettes nose departure current trend rockets cut nose off just ahead motor believe long er nose adds aerodynamic efficiency design produces stable glide Next sand body smooth glue pylons place being sure right slightly taller left give wing built-in tilt left glide Check plans details Cut 3/32 dowels length Wrap dowel piece fine sandpaper gently sand top pylon shapes top pylon curvature dowel Glue dowels place Next glue power source youll need years glow plug lights new GloBee Fire Plug GloBee Fire Plug igniterits completely inte grated glow plug starting system Its easy-to-operate rheostat con trol lever provides optimum current match weather stab rest place Shaping rudder form DT stop old effective trick elimi nate use DT wire Quarter-grain used keep rudder warping having use stiffner piece Cut rudder shape glue position dry glue er re inforcements also provide surface stab rest against Now 1/4 aluminum tube DT fuse can glued place 3/32 wire block added Install 1/32 plywood motor mount again leaving long enough adjust motor CG /4 soldering lug bent glued body ahead conditions fuels exact ignition specifications particular glow plug Its easy-toread 0-10 amp ammeter shows precise power output will tell glance plug good engine flooded self-contained 2 volt battery may recharged over 150 times has fully charged rating 5 ampere hours peak power 200 watts circuitry safety fused 2 diameter highimpact polypropylene case has fluted base convenient han dling have add lead wires plug donnector choice color-coded labeled terminals motor mount provide base wire tether required AMA Should used times keep motor hanging around Finish model two coats 50-50 dope keep light Use Jetex 150 mo tor attain CG rubberband motor clip empty motor onto body Slide motor back forth until model balances Mark pen Test glide model make sure glide smooth stable Adjust motor un til satisfied glide mount motor clip final word about Natsif serious about winning dont let size meet overwhelm Just think May1977 101 Fire Plug. optimum starting power need 6 Buy GloBee Fire Plug hobby dealer today. enjoy years fast reliable engine starts perfectly matched special requirements DIVISION OF EMERSON ELECTRIC CO 6000 Fernview Avg Cincinnati Ohio 45212 small meet lot people patience skill catching thermals little old-fashioned luck could win first place Nationals Yen Fly/Hannan continued page 59 building hand-launched model Cut additional short piece stock nose piece shown glue time Bend rear rubber hook thin music wire force rear fuse lage stick secure film model airplane cement epoxy White glue Titebond seem adhere well wire Decor The decorations add charm aircraft may applied ei ther two ways Fastest probably neatest unless have un usually steady hand simply draw brown black fiber-point pen second difficult meth od cut markings colored tis sue paper good approach to trace characters onto thin paper tape over colored tissue turn taped sheet cardboard sharp-pointed modeling knife used carefully cut through tracing paper colored tissue just slightly cardboard beneath results should clean neat tissue edges Note both YEN signs may cut once using two layers tissue Apply characters clear dope Assaubly Glue wing onto fuselage stick being certain properly aligned Add vertical fin centering assembly viewed top should also vertical seen front model Balancing aircraft somewhat dif ferent usual Slip North Pacific Skeeter propeller bearing assembly onto front fuselage stick will course loose fit stage model should balance near point indi cated plans Probably however will slightly nose-heavy cut small amount off front fuselage stick replace prop assembly bal ance again Repeat until model will hang level supported finger-tips side balance point Now glue lower nose piece bevel top fuselage stick obtain downthrust angle Reinstall propeller assembly Flying Install short loop 3/32 la rubber try few test glides may performed indoors have enough room space outside calm conditions craft should have long straight glide model dives trim tiny bit off front fuselage stick try again stalls small amount clay ballast may added fuse lage front Now wind about 75 100 turns rubber motor launch gently model turns excessively may correct ed bending paper rudder opposite direction turn extreme cases tiny amount clay ballast may need added wing tip opposite di rection turn Gradually increase number motor winds until model can safely handle full row knots An increase power may however bring about need slight changes balance turn adjustments Next longer lubed rubber motor may installed winder wound best performance may wish experiment different sizes loop lengths model loops under high power slightly crease downthrust angle Optional This craft may easily equipped landing gear will permit rise-off-ground starts some decrease overall performance com plete landing gear assembly North Pacific Sleek Streek may installed forcing Skeeter prop bearing assembly landing gear wire held po sition fuselage stick Alternatively could bend own wire gear legs add small-diameter balsa light weight plastic wheels Naturally fuse lage stick will need shortened lower nose piece reinstalled restore correct balance model change landing gear resulted need 102 Model Aviation MODEL AND CRAFT SHOW RADIO CONTROL PLANES COPTERS S U-CONTROL * FREE FLIGHT INDOOR-OUTDOOR DEMONSTRATIONS GIANT STATIC DISPLAY CONTEST public ver 200 Awardsi IA AC ANNUAL 2 DAYS ONLY RDAY & SUNDAY MAY7 MAY8 10 AM -8 PMj 11 AM -6 PM SEE IT ALL OVER 250 EXHIBITORS 0 SQ FT LA NONSELLING SHOW CONVENTION CENTER ANAHEIM CALIFORNIA