NO OCR TEXT NO OCR TEXT K rudder pushrod exit installation Kiett aileron fitting fairs niceiy fuse lage clean taii wheel steering system sure accuracy building panels Tracings can made formers glued wood spray contact cement peeled off after formers cut out Wing Pin A-in-sq stick place over plans used jig Pin another A-in-sq stick under bottom spar pin spar board Position ribs spar pin jig spar Position top A-in spar slide / x A-in trailing edge place slide x A-in rear spar through ribs Check panel yardstick Sig straightedge looks accurate apply thick CyA cyanoacrylate glue joints Glue x A-in leading edge piece ribs sand bevel con form rib shape Cover leading edge A6 sheet balsa Cut rear spar length Unpin pan el turn over pin back down jig rib Sand bevel lead ing edge install bottom sheeting Glue A6 verticals spars panel still pinned down Glue 3A6 tip pieces together stall center W-2 leading trailing edges Install braces spar extensions sheet tip Sand bevel edge x 3A -in balsa aileron spar pin plans Position ai leron ribs onto x 1-in trailing edge Pin assembly place over plans glue CyA Install glue A-in-sheet horn mount flush bot tom wing assembly draw straight line least 65 long workbench Place dihedral jig outboard W-2 position align spar mark bench line Put plastic wrap waxed paper under center section check fit spars leading trailing edges youre satisfied theyre square place shims under trailing edge pin panel down Install epoxy DR pieces spars SJ pieces rear spar Glue A-in-sq piece front edge trailing edge halves Sheet center sec tion wing still bench After sheeting remove wing stall aileron cranks mount Glue mounts cutouts W-3A ribs Con nect /16 music wire pushrods ai leron cranks Sheet bottom center sec tion Glue / x A-in leading edge cap place sand round Build stabilizer elevator rudder fin over plan Make elevator tie bar epoxy elevator halves together Fuselage Glue Lite Ply doublers A-in balsa sides together make right left assembly Take care dont assemble both sides same way balsa must outside piece Pin right side over plan fin ish building balsa sticks indi cated Cover glue joints top bottom right side strips waxed paper Position left side doubler assem Radio gear installation straightforward theres plenty room can see Futaba throttle rudder elevator ser vos on/off switch foam/ducttape-wrapped receiver ieft battery side-mountec tom wing Because opening side fuselage hatch unnecessary fake gas cap detailed plans fake left engine jug fashioned balsa painted aluminum exhaust stack 1/4-in dowel Pea Patch hand painted Sig Skybrite enamel Note clean flush fit cowl fuselage GRAD 3HEPItER K N N N % BALR RIB& - &IIEET PLi F1BERGLR& BLOCI K N C N RLR BPL ~MW SQ RCE TELL ME ABOUT TNI CRPiIi cnCOUR IN LPNDING CD 0JUET FIN I~dED CD WI CD CD / N N NN N 4QBRLAPRR WRT wEa Y8 ON BRP ~x}BALR N N N Q EL$R RM RL$R top center wing sheeting instaiied after joining operation complete Note traiiing edge has shimmed farther outboard allow installation top sheeting fuselage begins take shape Former F-2 F-3 have glued place com pleted sides pinned over waxed-paper-covered plan clothespin holds gether tall post triangle used ensure sides square tail post BA OUR S ROBE ERG NE HIkr II[I. DRILL OLE MA*ATORI lLSSHEEP SETS 2GTALL ITOITLE ROE OGLNt GLAOOEOLCTSEL______ P IGO PASSPLAP 2SSEELOPL-~ LA 53 BALSASIS 5E12 LAI PESALS*LSEE SECT PAL L bly ever right side Lite Ply isnt quite k youll need shim up left side till its flush outside edge A-in-sq longerons verticals Cardboard thin scrap ply good job Build up left side match right Remove assembly plan separate sides Sand bevels side tail post shown top view final assembly install former F-3 slots doubler pin down sides over top view Bring tail posts together clamp unit clothespin setting up 900 bench Install F-2 slots shimming un der sides location keep former place Epoxy formers doublers using blocks pinning firmly hold ward sides place doing Glue top bottom crosspieces Pin top formers aft F-3 temporarily place check see meet x A-in stringers Shift positions formers 28 Model Aviation LMUEB eoum F-S F-7 Full-Size Plans Available. See Page 196 F3 FB BLIPS PLY F-S F- A F-ZJ EMPLOTEEUPFAIE (rIPE PLYStilE PLY LOBWPB OOSOOEP OOOSOSOSO GBSIOOBOO3 0400005 F-S -STOPSIBIPSS ViKPMF-S FE FOB j --E-A-oosvPS010BST-l01 OdbSIBBP -005 ELEO 44(BOO _____--OSO0OOOBO00 OPP-00000 B T. -SOBOIMSIB OCT L0 OS CASIO SIBIBS 2140002 OOABOLE SSOS PLMO 52 ALL BBISOS0 6A4t B-S necessary glue place Glue hardwood block top F3B glue balsa scrap underneath Pin top stringers formers accurately posi tion before applying glue Mark off drill holes engine mount F-i firewall used 6-32 bolts through firewall epoxied back side lengths wire head slots Install firewall epoxy dou blers Install pushrod engine throttle point picture shows installa tion OS 40 Install Lite Ply mounting tank compartment vertical piece isolate throffle pushrod Install tank pack foam around Glue top doubler /8 x -in Lite Ply pieces slots F-i F-2 Glue A-in sheet top cabin section sheeting cut six pieces -in sheet balsa least 4 long three wide sheets A-grain balsa type balsa will curve easily MA1 ALL BALSA UNLESS NOTED Pei WI September 1990 29 F-The top bottom cross braces have glued place top farmers stringers secured Note small hardwood block epoxled F-3 used secure hatch fuel tank vertical ply section isolatIng tank throttle pushrod have installed doubled ply center brace place balsa cabin sheeting soaked wrapped rubberbanded around cans dry assume curved shapes cabin section begins take shape over wing Note %-ln strips pinned across wing will form base cabin structure Lite Ply plate glued across wing center trailing edge wiil serve reinforcement around wing rear hold-down bolt K Idkl NLSSSAO T/ 7--MT-i/1/SSTA TOP & BOTTOM WT2 MT-a -\ WINS TIP 3Il6BALSA TMEMCM 55 = Ii 1/16 SHEET TOP & BOTTOM -H--- 1- VERTICALS TYPICAL1/6SI CL ETT 1/BST FIRM BALS 0 SECTION 5-5 DIHEDRAL JIG T/6BALSAI2I SPAR LOCATER along its lengthor better said grain Soak pieces water wrap around coffee cans liberally secured rubberbands until theyre dry Glue A-in balsa side doublers A-in side stringers saddle strip /16 x A-in strip top longeron Epoxy Lite Ply WP cutouts ply doubler against F-3 Epoxy WPB reinforcements place Cut three lengths Sig maple engine mount stock size epoxy place per plans Position wing saddle sand away high spots saddle wing fits snugly fuselage Pin wing trailing edge squaring up tail post Drill down through wing ply plate WP maple block /16 drill Install short piece /16 dowel hole Drill front holes through ply plate maple block install second piece doweling Drill remaining hole After removing wing tap blocks -20 enlarge holes wing Bolt wing place lay plas 30 Model Aviation clear view throttle pushrod installation threaded link rod used keep stiff enough positive engine control Note engine-mount attachment screws epoxied backside firewall Also note lightening holes cut ply side doublers Full-Size Plans Available . See Page 196 T/IGLLi1214 --------~--GNIYSIflOSS/I -_OEM RIGHT EM WING EM MN HElL XSYVB E/LXT/I II EM = IIH II IILLI 1/8X1/21/IX 1/2 CAP TIIIIII I_____ 7-7 1/16MW1/16 PLY N2W252 6/ LEFT SING CEk4ER 9ET LI -_/2BA__Wi I ~6 sJ 1 1/4 SHEET STABILIZER 1/851/4 lOS 1/h 51/2 FSAG4E 4 I/4S7/8GALA -LEADING EDGE 1/4SQ2JIG 1/SUSSETS ITYP llBMALSAMAKEBF~RT22Z---6~ALS MAKES K K 1/6 LITE PLY -_- -W3—-~jyA-114 76ALSA-MAKE IS 1/tOALSA W MAKES PROM W-3s MAN 5MB PILL ER 1/BLITE PLY 2 l/LITE PLY 2 N I/SWINE YMRU TUBE 6 SOLDERED 1/4 BRASS TUBING ii LEVATOR 1/8X1/4 RIBS - ELEYT PIN PSINTITYP 1/551/2 Pea GOLDEN AGE SPORT MODEl 60 SPAN SLfl 120Z SOTO5BOST tic wrap over center section Pin A-in cabin strips formers place Referring pictures pin straight strips top center fuselage fore aft aligners cabin formers youre satisfied formers will fair rest fuselage glue cabin strips glue / x A-in strips top Remove A-in sheet pieces coffee cans begin fitting cabin formers takes some trying marking get good fit over wing little patience helps Using pattern cockpit mark cut out opening sand cabin sheeting fits well rest fuselage Carve headrest block glue place Glue % x 1-in ply holddown front cabin section after cutting out balsa sheet sheeting over tank accept Drill holes 440 tap forward part hold-down shown plan plan use gas cap hold-down fashion according method shown drawing OtherSeptember 1990 31 c cabin top sheeting being applied Note plastic wrap separating structure fuselage wing sheeting glued formers trimmed back half thickness former center sheeting can glued exposed half Left cockpit sheeting place opening has rough trimmed Small pieces ot balsa will cut visible gaps Right rear wing mounting plate has glued recesses doublers forward Sig maple hold-down blocks drilled tapped epoxied place Note forward cabin mount recessed achieve flush cabin tab fit Also note braced landing gear mount wise substitute own favorite method securing hatch Glue A-in dowel headrest shown drill tap 4-40 hold-down screw Cut Sig landing gear blocks length epoxy place together gear block reinforcements Refer section drawing bottom sheeting glue sheeting place per plan Bend Template B-B has glued foam block begin cowl construction Center thrust lines have scored B-B foam block Template A-A has also marked epoxied foam block landing gear wires clamp blocks Build removable section un der landing gear same way bot tom sheeting attached secure wood screws landing gear blocks Glue bottom stringers A-in facing attach covering Install servo mounting pieces suitable equip ment youre using Install pushrods foam nose piece has glued A-A entire cowl plug has sanded its correct shape Notice has shaped blend smoothly contours templates A-A B-B circle roughly marks spinner ring position elevator rudder Sullivan Gold-n-Rods used prototype Fabricating cowl relatively easy using two templates shown plan Foam blocks available craft store craft department variety store Continued page 150 Two views finished airplane its bare bones its almost too pretty cover once covered itll prettier fly much better perfectly flush-fitting cowl may take little effort make its really worth its appearance strength light weight 32 Model Aviation Fiberglass cloth being fitted over f Ished foam plug cloth used quite heavy Make dart cuts around cheeks slight overlap Use Sig Kwik Set 5-minute epoxy equivalent prod uct Keep overlaps smooth possi ble avoid lot sanding filling later Mere Fun less Funds ving pan62/2 inches Wing Area770 square inches Engine Size 10 cc 90 120 four stroke Designed AMA FAI Turn-around pattern Foam wing stab 3-32 Balsa sheet covering Tricycle conven lional gear fixed retracts Rear side exhaust fiber glass canopy Very positive maneuverable XLT SPECIFICA Wing Span65 inches Length65 inches Wing Area845 square inches Recommended Engine Size 10 cc 90 120 four stroke XLT designed tuned pipe re tract landing gears Capable AMA Turn-around pattern Rear side ex haust SPECIFICATIONS Wing Span Wing Area Engine Size 63Y4 inches 700 square inches 50-60 Glow 90 four stroke fun sport pattern turn-around can done Utter Chaos completely built up Balsa construction Canopy engine mount included years proven flying reliablity BRIDI AIRCRAFT DESIGNS INC 23625 Pineforest Lane Harbor City California 90710 213 549-8264 213 326-5013 SEE YOUR FAVORITE HOBBY SHOP OR RETAIL OUTLETW Dealer Inqurles Invited D&J ELECTRONICS 900 Lucy Road ll Ml 48843 546-2644 service makes RIO equipment utilizing state art electronics Spectrum Analyzer Precision Frequency Measuring equipment True 1991 Standards endorsed AMA & ROMA Transmitter Slicker Program FCC LicensedSpeed Central RepairsQuality Service Transmitter Checks Only includes GOLD/SILVER slicker$400 Transmitter & Receiver Calibration$2400 Frequency Upgrades & Changes crystals extra$2900 Bench Time Repairs per hour$2500 Transmitters service will receive AMA/RCMA sticker ADD $500 FOR SHIPPING & INSURANCE TURN AROUND TIME TWO WEEKS OR LESSIi UPSLJ ISA/MASTERCARD ACCEPTEDCOD Pea Patch/Shepherd Continued page 32 used form shape cowl Cut block inside dimensions sections AA B-B Epoxy B-B pattern side draw alignment lines foam properly position A-A pattern Glue A-A place shown picture Glue foam nose block A-A use 80- 100-grit sandpaper shape foam around patterns youre satisfied shape lay fiberglass cloth ever foam securing five-minute epoxy achieve snugness final one-hour epoxy used Youll need cut darts cloth good fit over form Try keep smooth possible avoid ex cessive sanding after epoxy applied Mix up batch Sig one-hour epoxy let soak fiberglass cloth using throwaway brush heat lamp hair dryer will speed up epoxy cure first coat dry knock off bumps rough spots coarse paper mix up apply second coat epoxy Sand 180-grit paper dry Use Sig glass beads epoxy Epoxilite have some handy fill low spots part smoothed satis faction cut away B-B hog out foam screwdriver Cut away A-A us ing Dremel-type tool router sand ing drum Glue F-lA front firewall along small hardwood blocks trial fit cowl trimming get flush fit fuselage sheeting Install en gine begin cutting away cowl fit over fit accurate screw cowl place Cut 2-in ring Lite Ply epoxy front cowl its centered engine shaft Glue rear block over stab sand shape Assemble tail wheel fittings epoxy tail wheel slot tail post Cevering finishing fuselage fin rudder covered Sig Koverall using nitrate dope wing stab/ele vator covered plastic film Dope brushed framework whereve covering contacted wood Stretc covering over fuselage th grain running crosswise lengthwise apply dope through covering t contact wood After tightening heat iron fabric given three coat nitrate clear Red Devil polyurethane almon shade gives original its cream cobs paint also sprayed th film holding up very well after mar flights black pinstriping A-i size Coverste Vinyl stick-on letterir office supply store used Pasture Pilots PPA logo t strictly tongue-in-cheek addition brought smile two seems amuse others notice logo w made Coverite Graphic Sheet thi painted old-timer cockpit ma Williams Bros 2%-in Sportsman simulate 1920s-style cap dabb baking soda small brush ad ed thin CyA repeating process until artful facsimile made bri piece A2 ply glued ti back cap rubberband used f elastic goggles After pinning windscreen place traced around its front ball-point pe carefully cut away covering #11 X-Acto knife leaving approximately /32 groove wood glued en Testors clear household c ment aluminum flange win screen made two strips Coven tape Which painted silver Frem initial inspiratien dna ing building stages finally relis ing its talents flier Ive received ma hours pleasure airplane Its realistic-looking model carries ne ism sky thats way enjo ing RC Pea Patch should satisfy Ha py touch-and-goes Radio Technique/Myers Continued page 36 can estimate current drawn ek tric motor dividing measured battery cap 150 Model Aviation
Edition: Model Aviation - 1990/09
Page Numbers: 24, 25, 26, 27, 28, 29, 30, 31, 32, 150
NO OCR TEXT NO OCR TEXT K rudder pushrod exit installation Kiett aileron fitting fairs niceiy fuse lage clean taii wheel steering system sure accuracy building panels Tracings can made formers glued wood spray contact cement peeled off after formers cut out Wing Pin A-in-sq stick place over plans used jig Pin another A-in-sq stick under bottom spar pin spar board Position ribs spar pin jig spar Position top A-in spar slide / x A-in trailing edge place slide x A-in rear spar through ribs Check panel yardstick Sig straightedge looks accurate apply thick CyA cyanoacrylate glue joints Glue x A-in leading edge piece ribs sand bevel con form rib shape Cover leading edge A6 sheet balsa Cut rear spar length Unpin pan el turn over pin back down jig rib Sand bevel lead ing edge install bottom sheeting Glue A6 verticals spars panel still pinned down Glue 3A6 tip pieces together stall center W-2 leading trailing edges Install braces spar extensions sheet tip Sand bevel edge x 3A -in balsa aileron spar pin plans Position ai leron ribs onto x 1-in trailing edge Pin assembly place over plans glue CyA Install glue A-in-sheet horn mount flush bot tom wing assembly draw straight line least 65 long workbench Place dihedral jig outboard W-2 position align spar mark bench line Put plastic wrap waxed paper under center section check fit spars leading trailing edges youre satisfied theyre square place shims under trailing edge pin panel down Install epoxy DR pieces spars SJ pieces rear spar Glue A-in-sq piece front edge trailing edge halves Sheet center sec tion wing still bench After sheeting remove wing stall aileron cranks mount Glue mounts cutouts W-3A ribs Con nect /16 music wire pushrods ai leron cranks Sheet bottom center sec tion Glue / x A-in leading edge cap place sand round Build stabilizer elevator rudder fin over plan Make elevator tie bar epoxy elevator halves together Fuselage Glue Lite Ply doublers A-in balsa sides together make right left assembly Take care dont assemble both sides same way balsa must outside piece Pin right side over plan fin ish building balsa sticks indi cated Cover glue joints top bottom right side strips waxed paper Position left side doubler assem Radio gear installation straightforward theres plenty room can see Futaba throttle rudder elevator ser vos on/off switch foam/ducttape-wrapped receiver ieft battery side-mountec tom wing Because opening side fuselage hatch unnecessary fake gas cap detailed plans fake left engine jug fashioned balsa painted aluminum exhaust stack 1/4-in dowel Pea Patch hand painted Sig Skybrite enamel Note clean flush fit cowl fuselage GRAD 3HEPItER K N N N % BALR RIB& - &IIEET PLi F1BERGLR& BLOCI K N C N RLR BPL ~MW SQ RCE TELL ME ABOUT TNI CRPiIi cnCOUR IN LPNDING CD 0JUET FIN I~dED CD WI CD CD / N N NN N 4QBRLAPRR WRT wEa Y8 ON BRP ~x}BALR N N N Q EL$R RM RL$R top center wing sheeting instaiied after joining operation complete Note traiiing edge has shimmed farther outboard allow installation top sheeting fuselage begins take shape Former F-2 F-3 have glued place com pleted sides pinned over waxed-paper-covered plan clothespin holds gether tall post triangle used ensure sides square tail post BA OUR S ROBE ERG NE HIkr II[I. DRILL OLE MA*ATORI lLSSHEEP SETS 2GTALL ITOITLE ROE OGLNt GLAOOEOLCTSEL______ P IGO PASSPLAP 2SSEELOPL-~ LA 53 BALSASIS 5E12 LAI PESALS*LSEE SECT PAL L bly ever right side Lite Ply isnt quite k youll need shim up left side till its flush outside edge A-in-sq longerons verticals Cardboard thin scrap ply good job Build up left side match right Remove assembly plan separate sides Sand bevels side tail post shown top view final assembly install former F-3 slots doubler pin down sides over top view Bring tail posts together clamp unit clothespin setting up 900 bench Install F-2 slots shimming un der sides location keep former place Epoxy formers doublers using blocks pinning firmly hold ward sides place doing Glue top bottom crosspieces Pin top formers aft F-3 temporarily place check see meet x A-in stringers Shift positions formers 28 Model Aviation LMUEB eoum F-S F-7 Full-Size Plans Available. See Page 196 F3 FB BLIPS PLY F-S F- A F-ZJ EMPLOTEEUPFAIE (rIPE PLYStilE PLY LOBWPB OOSOOEP OOOSOSOSO GBSIOOBOO3 0400005 F-S -STOPSIBIPSS ViKPMF-S FE FOB j --E-A-oosvPS010BST-l01 OdbSIBBP -005 ELEO 44(BOO _____--OSO0OOOBO00 OPP-00000 B T. -SOBOIMSIB OCT L0 OS CASIO SIBIBS 2140002 OOABOLE SSOS PLMO 52 ALL BBISOS0 6A4t B-S necessary glue place Glue hardwood block top F3B glue balsa scrap underneath Pin top stringers formers accurately posi tion before applying glue Mark off drill holes engine mount F-i firewall used 6-32 bolts through firewall epoxied back side lengths wire head slots Install firewall epoxy dou blers Install pushrod engine throttle point picture shows installa tion OS 40 Install Lite Ply mounting tank compartment vertical piece isolate throffle pushrod Install tank pack foam around Glue top doubler /8 x -in Lite Ply pieces slots F-i F-2 Glue A-in sheet top cabin section sheeting cut six pieces -in sheet balsa least 4 long three wide sheets A-grain balsa type balsa will curve easily MA1 ALL BALSA UNLESS NOTED Pei WI September 1990 29 F-The top bottom cross braces have glued place top farmers stringers secured Note small hardwood block epoxled F-3 used secure hatch fuel tank vertical ply section isolatIng tank throttle pushrod have installed doubled ply center brace place balsa cabin sheeting soaked wrapped rubberbanded around cans dry assume curved shapes cabin section begins take shape over wing Note %-ln strips pinned across wing will form base cabin structure Lite Ply plate glued across wing center trailing edge wiil serve reinforcement around wing rear hold-down bolt K Idkl NLSSSAO T/ 7--MT-i/1/SSTA TOP & BOTTOM WT2 MT-a -\ WINS TIP 3Il6BALSA TMEMCM 55 = Ii 1/16 SHEET TOP & BOTTOM -H--- 1- VERTICALS TYPICAL1/6SI CL ETT 1/BST FIRM BALS 0 SECTION 5-5 DIHEDRAL JIG T/6BALSAI2I SPAR LOCATER along its lengthor better said grain Soak pieces water wrap around coffee cans liberally secured rubberbands until theyre dry Glue A-in balsa side doublers A-in side stringers saddle strip /16 x A-in strip top longeron Epoxy Lite Ply WP cutouts ply doubler against F-3 Epoxy WPB reinforcements place Cut three lengths Sig maple engine mount stock size epoxy place per plans Position wing saddle sand away high spots saddle wing fits snugly fuselage Pin wing trailing edge squaring up tail post Drill down through wing ply plate WP maple block /16 drill Install short piece /16 dowel hole Drill front holes through ply plate maple block install second piece doweling Drill remaining hole After removing wing tap blocks -20 enlarge holes wing Bolt wing place lay plas 30 Model Aviation clear view throttle pushrod installation threaded link rod used keep stiff enough positive engine control Note engine-mount attachment screws epoxied backside firewall Also note lightening holes cut ply side doublers Full-Size Plans Available . See Page 196 T/IGLLi1214 --------~--GNIYSIflOSS/I -_OEM RIGHT EM WING EM MN HElL XSYVB E/LXT/I II EM = IIH II IILLI 1/8X1/21/IX 1/2 CAP TIIIIII I_____ 7-7 1/16MW1/16 PLY N2W252 6/ LEFT SING CEk4ER 9ET LI -_/2BA__Wi I ~6 sJ 1 1/4 SHEET STABILIZER 1/851/4 lOS 1/h 51/2 FSAG4E 4 I/4S7/8GALA -LEADING EDGE 1/4SQ2JIG 1/SUSSETS ITYP llBMALSAMAKEBF~RT22Z---6~ALS MAKES K K 1/6 LITE PLY -_- -W3—-~jyA-114 76ALSA-MAKE IS 1/tOALSA W MAKES PROM W-3s MAN 5MB PILL ER 1/BLITE PLY 2 l/LITE PLY 2 N I/SWINE YMRU TUBE 6 SOLDERED 1/4 BRASS TUBING ii LEVATOR 1/8X1/4 RIBS - ELEYT PIN PSINTITYP 1/551/2 Pea GOLDEN AGE SPORT MODEl 60 SPAN SLfl 120Z SOTO5BOST tic wrap over center section Pin A-in cabin strips formers place Referring pictures pin straight strips top center fuselage fore aft aligners cabin formers youre satisfied formers will fair rest fuselage glue cabin strips glue / x A-in strips top Remove A-in sheet pieces coffee cans begin fitting cabin formers takes some trying marking get good fit over wing little patience helps Using pattern cockpit mark cut out opening sand cabin sheeting fits well rest fuselage Carve headrest block glue place Glue % x 1-in ply holddown front cabin section after cutting out balsa sheet sheeting over tank accept Drill holes 440 tap forward part hold-down shown plan plan use gas cap hold-down fashion according method shown drawing OtherSeptember 1990 31 c cabin top sheeting being applied Note plastic wrap separating structure fuselage wing sheeting glued formers trimmed back half thickness former center sheeting can glued exposed half Left cockpit sheeting place opening has rough trimmed Small pieces ot balsa will cut visible gaps Right rear wing mounting plate has glued recesses doublers forward Sig maple hold-down blocks drilled tapped epoxied place Note forward cabin mount recessed achieve flush cabin tab fit Also note braced landing gear mount wise substitute own favorite method securing hatch Glue A-in dowel headrest shown drill tap 4-40 hold-down screw Cut Sig landing gear blocks length epoxy place together gear block reinforcements Refer section drawing bottom sheeting glue sheeting place per plan Bend Template B-B has glued foam block begin cowl construction Center thrust lines have scored B-B foam block Template A-A has also marked epoxied foam block landing gear wires clamp blocks Build removable section un der landing gear same way bot tom sheeting attached secure wood screws landing gear blocks Glue bottom stringers A-in facing attach covering Install servo mounting pieces suitable equip ment youre using Install pushrods foam nose piece has glued A-A entire cowl plug has sanded its correct shape Notice has shaped blend smoothly contours templates A-A B-B circle roughly marks spinner ring position elevator rudder Sullivan Gold-n-Rods used prototype Fabricating cowl relatively easy using two templates shown plan Foam blocks available craft store craft department variety store Continued page 150 Two views finished airplane its bare bones its almost too pretty cover once covered itll prettier fly much better perfectly flush-fitting cowl may take little effort make its really worth its appearance strength light weight 32 Model Aviation Fiberglass cloth being fitted over f Ished foam plug cloth used quite heavy Make dart cuts around cheeks slight overlap Use Sig Kwik Set 5-minute epoxy equivalent prod uct Keep overlaps smooth possi ble avoid lot sanding filling later Mere Fun less Funds ving pan62/2 inches Wing Area770 square inches Engine Size 10 cc 90 120 four stroke Designed AMA FAI Turn-around pattern Foam wing stab 3-32 Balsa sheet covering Tricycle conven lional gear fixed retracts Rear side exhaust fiber glass canopy Very positive maneuverable XLT SPECIFICA Wing Span65 inches Length65 inches Wing Area845 square inches Recommended Engine Size 10 cc 90 120 four stroke XLT designed tuned pipe re tract landing gears Capable AMA Turn-around pattern Rear side ex haust SPECIFICATIONS Wing Span Wing Area Engine Size 63Y4 inches 700 square inches 50-60 Glow 90 four stroke fun sport pattern turn-around can done Utter Chaos completely built up Balsa construction Canopy engine mount included years proven flying reliablity BRIDI AIRCRAFT DESIGNS INC 23625 Pineforest Lane Harbor City California 90710 213 549-8264 213 326-5013 SEE YOUR FAVORITE HOBBY SHOP OR RETAIL OUTLETW Dealer Inqurles Invited D&J ELECTRONICS 900 Lucy Road ll Ml 48843 546-2644 service makes RIO equipment utilizing state art electronics Spectrum Analyzer Precision Frequency Measuring equipment True 1991 Standards endorsed AMA & ROMA Transmitter Slicker Program FCC LicensedSpeed Central RepairsQuality Service Transmitter Checks Only includes GOLD/SILVER slicker$400 Transmitter & Receiver Calibration$2400 Frequency Upgrades & Changes crystals extra$2900 Bench Time Repairs per hour$2500 Transmitters service will receive AMA/RCMA sticker ADD $500 FOR SHIPPING & INSURANCE TURN AROUND TIME TWO WEEKS OR LESSIi UPSLJ ISA/MASTERCARD ACCEPTEDCOD Pea Patch/Shepherd Continued page 32 used form shape cowl Cut block inside dimensions sections AA B-B Epoxy B-B pattern side draw alignment lines foam properly position A-A pattern Glue A-A place shown picture Glue foam nose block A-A use 80- 100-grit sandpaper shape foam around patterns youre satisfied shape lay fiberglass cloth ever foam securing five-minute epoxy achieve snugness final one-hour epoxy used Youll need cut darts cloth good fit over form Try keep smooth possible avoid ex cessive sanding after epoxy applied Mix up batch Sig one-hour epoxy let soak fiberglass cloth using throwaway brush heat lamp hair dryer will speed up epoxy cure first coat dry knock off bumps rough spots coarse paper mix up apply second coat epoxy Sand 180-grit paper dry Use Sig glass beads epoxy Epoxilite have some handy fill low spots part smoothed satis faction cut away B-B hog out foam screwdriver Cut away A-A us ing Dremel-type tool router sand ing drum Glue F-lA front firewall along small hardwood blocks trial fit cowl trimming get flush fit fuselage sheeting Install en gine begin cutting away cowl fit over fit accurate screw cowl place Cut 2-in ring Lite Ply epoxy front cowl its centered engine shaft Glue rear block over stab sand shape Assemble tail wheel fittings epoxy tail wheel slot tail post Cevering finishing fuselage fin rudder covered Sig Koverall using nitrate dope wing stab/ele vator covered plastic film Dope brushed framework whereve covering contacted wood Stretc covering over fuselage th grain running crosswise lengthwise apply dope through covering t contact wood After tightening heat iron fabric given three coat nitrate clear Red Devil polyurethane almon shade gives original its cream cobs paint also sprayed th film holding up very well after mar flights black pinstriping A-i size Coverste Vinyl stick-on letterir office supply store used Pasture Pilots PPA logo t strictly tongue-in-cheek addition brought smile two seems amuse others notice logo w made Coverite Graphic Sheet thi painted old-timer cockpit ma Williams Bros 2%-in Sportsman simulate 1920s-style cap dabb baking soda small brush ad ed thin CyA repeating process until artful facsimile made bri piece A2 ply glued ti back cap rubberband used f elastic goggles After pinning windscreen place traced around its front ball-point pe carefully cut away covering #11 X-Acto knife leaving approximately /32 groove wood glued en Testors clear household c ment aluminum flange win screen made two strips Coven tape Which painted silver Frem initial inspiratien dna ing building stages finally relis ing its talents flier Ive received ma hours pleasure airplane Its realistic-looking model carries ne ism sky thats way enjo ing RC Pea Patch should satisfy Ha py touch-and-goes Radio Technique/Myers Continued page 36 can estimate current drawn ek tric motor dividing measured battery cap 150 Model Aviation
Edition: Model Aviation - 1990/09
Page Numbers: 24, 25, 26, 27, 28, 29, 30, 31, 32, 150
NO OCR TEXT NO OCR TEXT K rudder pushrod exit installation Kiett aileron fitting fairs niceiy fuse lage clean taii wheel steering system sure accuracy building panels Tracings can made formers glued wood spray contact cement peeled off after formers cut out Wing Pin A-in-sq stick place over plans used jig Pin another A-in-sq stick under bottom spar pin spar board Position ribs spar pin jig spar Position top A-in spar slide / x A-in trailing edge place slide x A-in rear spar through ribs Check panel yardstick Sig straightedge looks accurate apply thick CyA cyanoacrylate glue joints Glue x A-in leading edge piece ribs sand bevel con form rib shape Cover leading edge A6 sheet balsa Cut rear spar length Unpin pan el turn over pin back down jig rib Sand bevel lead ing edge install bottom sheeting Glue A6 verticals spars panel still pinned down Glue 3A6 tip pieces together stall center W-2 leading trailing edges Install braces spar extensions sheet tip Sand bevel edge x 3A -in balsa aileron spar pin plans Position ai leron ribs onto x 1-in trailing edge Pin assembly place over plans glue CyA Install glue A-in-sheet horn mount flush bot tom wing assembly draw straight line least 65 long workbench Place dihedral jig outboard W-2 position align spar mark bench line Put plastic wrap waxed paper under center section check fit spars leading trailing edges youre satisfied theyre square place shims under trailing edge pin panel down Install epoxy DR pieces spars SJ pieces rear spar Glue A-in-sq piece front edge trailing edge halves Sheet center sec tion wing still bench After sheeting remove wing stall aileron cranks mount Glue mounts cutouts W-3A ribs Con nect /16 music wire pushrods ai leron cranks Sheet bottom center sec tion Glue / x A-in leading edge cap place sand round Build stabilizer elevator rudder fin over plan Make elevator tie bar epoxy elevator halves together Fuselage Glue Lite Ply doublers A-in balsa sides together make right left assembly Take care dont assemble both sides same way balsa must outside piece Pin right side over plan fin ish building balsa sticks indi cated Cover glue joints top bottom right side strips waxed paper Position left side doubler assem Radio gear installation straightforward theres plenty room can see Futaba throttle rudder elevator ser vos on/off switch foam/ducttape-wrapped receiver ieft battery side-mountec tom wing Because opening side fuselage hatch unnecessary fake gas cap detailed plans fake left engine jug fashioned balsa painted aluminum exhaust stack 1/4-in dowel Pea Patch hand painted Sig Skybrite enamel Note clean flush fit cowl fuselage GRAD 3HEPItER K N N N % BALR RIB& - &IIEET PLi F1BERGLR& BLOCI K N C N RLR BPL ~MW SQ RCE TELL ME ABOUT TNI CRPiIi cnCOUR IN LPNDING CD 0JUET FIN I~dED CD WI CD CD / N N NN N 4QBRLAPRR WRT wEa Y8 ON BRP ~x}BALR N N N Q EL$R RM RL$R top center wing sheeting instaiied after joining operation complete Note traiiing edge has shimmed farther outboard allow installation top sheeting fuselage begins take shape Former F-2 F-3 have glued place com pleted sides pinned over waxed-paper-covered plan clothespin holds gether tall post triangle used ensure sides square tail post BA OUR S ROBE ERG NE HIkr II[I. DRILL OLE MA*ATORI lLSSHEEP SETS 2GTALL ITOITLE ROE OGLNt GLAOOEOLCTSEL______ P IGO PASSPLAP 2SSEELOPL-~ LA 53 BALSASIS 5E12 LAI PESALS*LSEE SECT PAL L bly ever right side Lite Ply isnt quite k youll need shim up left side till its flush outside edge A-in-sq longerons verticals Cardboard thin scrap ply good job Build up left side match right Remove assembly plan separate sides Sand bevels side tail post shown top view final assembly install former F-3 slots doubler pin down sides over top view Bring tail posts together clamp unit clothespin setting up 900 bench Install F-2 slots shimming un der sides location keep former place Epoxy formers doublers using blocks pinning firmly hold ward sides place doing Glue top bottom crosspieces Pin top formers aft F-3 temporarily place check see meet x A-in stringers Shift positions formers 28 Model Aviation LMUEB eoum F-S F-7 Full-Size Plans Available. See Page 196 F3 FB BLIPS PLY F-S F- A F-ZJ EMPLOTEEUPFAIE (rIPE PLYStilE PLY LOBWPB OOSOOEP OOOSOSOSO GBSIOOBOO3 0400005 F-S -STOPSIBIPSS ViKPMF-S FE FOB j --E-A-oosvPS010BST-l01 OdbSIBBP -005 ELEO 44(BOO _____--OSO0OOOBO00 OPP-00000 B T. -SOBOIMSIB OCT L0 OS CASIO SIBIBS 2140002 OOABOLE SSOS PLMO 52 ALL BBISOS0 6A4t B-S necessary glue place Glue hardwood block top F3B glue balsa scrap underneath Pin top stringers formers accurately posi tion before applying glue Mark off drill holes engine mount F-i firewall used 6-32 bolts through firewall epoxied back side lengths wire head slots Install firewall epoxy dou blers Install pushrod engine throttle point picture shows installa tion OS 40 Install Lite Ply mounting tank compartment vertical piece isolate throffle pushrod Install tank pack foam around Glue top doubler /8 x -in Lite Ply pieces slots F-i F-2 Glue A-in sheet top cabin section sheeting cut six pieces -in sheet balsa least 4 long three wide sheets A-grain balsa type balsa will curve easily MA1 ALL BALSA UNLESS NOTED Pei WI September 1990 29 F-The top bottom cross braces have glued place top farmers stringers secured Note small hardwood block epoxled F-3 used secure hatch fuel tank vertical ply section isolatIng tank throttle pushrod have installed doubled ply center brace place balsa cabin sheeting soaked wrapped rubberbanded around cans dry assume curved shapes cabin section begins take shape over wing Note %-ln strips pinned across wing will form base cabin structure Lite Ply plate glued across wing center trailing edge wiil serve reinforcement around wing rear hold-down bolt K Idkl NLSSSAO T/ 7--MT-i/1/SSTA TOP & BOTTOM WT2 MT-a -\ WINS TIP 3Il6BALSA TMEMCM 55 = Ii 1/16 SHEET TOP & BOTTOM -H--- 1- VERTICALS TYPICAL1/6SI CL ETT 1/BST FIRM BALS 0 SECTION 5-5 DIHEDRAL JIG T/6BALSAI2I SPAR LOCATER along its lengthor better said grain Soak pieces water wrap around coffee cans liberally secured rubberbands until theyre dry Glue A-in balsa side doublers A-in side stringers saddle strip /16 x A-in strip top longeron Epoxy Lite Ply WP cutouts ply doubler against F-3 Epoxy WPB reinforcements place Cut three lengths Sig maple engine mount stock size epoxy place per plans Position wing saddle sand away high spots saddle wing fits snugly fuselage Pin wing trailing edge squaring up tail post Drill down through wing ply plate WP maple block /16 drill Install short piece /16 dowel hole Drill front holes through ply plate maple block install second piece doweling Drill remaining hole After removing wing tap blocks -20 enlarge holes wing Bolt wing place lay plas 30 Model Aviation clear view throttle pushrod installation threaded link rod used keep stiff enough positive engine control Note engine-mount attachment screws epoxied backside firewall Also note lightening holes cut ply side doublers Full-Size Plans Available . See Page 196 T/IGLLi1214 --------~--GNIYSIflOSS/I -_OEM RIGHT EM WING EM MN HElL XSYVB E/LXT/I II EM = IIH II IILLI 1/8X1/21/IX 1/2 CAP TIIIIII I_____ 7-7 1/16MW1/16 PLY N2W252 6/ LEFT SING CEk4ER 9ET LI -_/2BA__Wi I ~6 sJ 1 1/4 SHEET STABILIZER 1/851/4 lOS 1/h 51/2 FSAG4E 4 I/4S7/8GALA -LEADING EDGE 1/4SQ2JIG 1/SUSSETS ITYP llBMALSAMAKEBF~RT22Z---6~ALS MAKES K K 1/6 LITE PLY -_- -W3—-~jyA-114 76ALSA-MAKE IS 1/tOALSA W MAKES PROM W-3s MAN 5MB PILL ER 1/BLITE PLY 2 l/LITE PLY 2 N I/SWINE YMRU TUBE 6 SOLDERED 1/4 BRASS TUBING ii LEVATOR 1/8X1/4 RIBS - ELEYT PIN PSINTITYP 1/551/2 Pea GOLDEN AGE SPORT MODEl 60 SPAN SLfl 120Z SOTO5BOST tic wrap over center section Pin A-in cabin strips formers place Referring pictures pin straight strips top center fuselage fore aft aligners cabin formers youre satisfied formers will fair rest fuselage glue cabin strips glue / x A-in strips top Remove A-in sheet pieces coffee cans begin fitting cabin formers takes some trying marking get good fit over wing little patience helps Using pattern cockpit mark cut out opening sand cabin sheeting fits well rest fuselage Carve headrest block glue place Glue % x 1-in ply holddown front cabin section after cutting out balsa sheet sheeting over tank accept Drill holes 440 tap forward part hold-down shown plan plan use gas cap hold-down fashion according method shown drawing OtherSeptember 1990 31 c cabin top sheeting being applied Note plastic wrap separating structure fuselage wing sheeting glued formers trimmed back half thickness former center sheeting can glued exposed half Left cockpit sheeting place opening has rough trimmed Small pieces ot balsa will cut visible gaps Right rear wing mounting plate has glued recesses doublers forward Sig maple hold-down blocks drilled tapped epoxied place Note forward cabin mount recessed achieve flush cabin tab fit Also note braced landing gear mount wise substitute own favorite method securing hatch Glue A-in dowel headrest shown drill tap 4-40 hold-down screw Cut Sig landing gear blocks length epoxy place together gear block reinforcements Refer section drawing bottom sheeting glue sheeting place per plan Bend Template B-B has glued foam block begin cowl construction Center thrust lines have scored B-B foam block Template A-A has also marked epoxied foam block landing gear wires clamp blocks Build removable section un der landing gear same way bot tom sheeting attached secure wood screws landing gear blocks Glue bottom stringers A-in facing attach covering Install servo mounting pieces suitable equip ment youre using Install pushrods foam nose piece has glued A-A entire cowl plug has sanded its correct shape Notice has shaped blend smoothly contours templates A-A B-B circle roughly marks spinner ring position elevator rudder Sullivan Gold-n-Rods used prototype Fabricating cowl relatively easy using two templates shown plan Foam blocks available craft store craft department variety store Continued page 150 Two views finished airplane its bare bones its almost too pretty cover once covered itll prettier fly much better perfectly flush-fitting cowl may take little effort make its really worth its appearance strength light weight 32 Model Aviation Fiberglass cloth being fitted over f Ished foam plug cloth used quite heavy Make dart cuts around cheeks slight overlap Use Sig Kwik Set 5-minute epoxy equivalent prod uct Keep overlaps smooth possi ble avoid lot sanding filling later Mere Fun less Funds ving pan62/2 inches Wing Area770 square inches Engine Size 10 cc 90 120 four stroke Designed AMA FAI Turn-around pattern Foam wing stab 3-32 Balsa sheet covering Tricycle conven lional gear fixed retracts Rear side exhaust fiber glass canopy Very positive maneuverable XLT SPECIFICA Wing Span65 inches Length65 inches Wing Area845 square inches Recommended Engine Size 10 cc 90 120 four stroke XLT designed tuned pipe re tract landing gears Capable AMA Turn-around pattern Rear side ex haust SPECIFICATIONS Wing Span Wing Area Engine Size 63Y4 inches 700 square inches 50-60 Glow 90 four stroke fun sport pattern turn-around can done Utter Chaos completely built up Balsa construction Canopy engine mount included years proven flying reliablity BRIDI AIRCRAFT DESIGNS INC 23625 Pineforest Lane Harbor City California 90710 213 549-8264 213 326-5013 SEE YOUR FAVORITE HOBBY SHOP OR RETAIL OUTLETW Dealer Inqurles Invited D&J ELECTRONICS 900 Lucy Road ll Ml 48843 546-2644 service makes RIO equipment utilizing state art electronics Spectrum Analyzer Precision Frequency Measuring equipment True 1991 Standards endorsed AMA & ROMA Transmitter Slicker Program FCC LicensedSpeed Central RepairsQuality Service Transmitter Checks Only includes GOLD/SILVER slicker$400 Transmitter & Receiver Calibration$2400 Frequency Upgrades & Changes crystals extra$2900 Bench Time Repairs per hour$2500 Transmitters service will receive AMA/RCMA sticker ADD $500 FOR SHIPPING & INSURANCE TURN AROUND TIME TWO WEEKS OR LESSIi UPSLJ ISA/MASTERCARD ACCEPTEDCOD Pea Patch/Shepherd Continued page 32 used form shape cowl Cut block inside dimensions sections AA B-B Epoxy B-B pattern side draw alignment lines foam properly position A-A pattern Glue A-A place shown picture Glue foam nose block A-A use 80- 100-grit sandpaper shape foam around patterns youre satisfied shape lay fiberglass cloth ever foam securing five-minute epoxy achieve snugness final one-hour epoxy used Youll need cut darts cloth good fit over form Try keep smooth possible avoid ex cessive sanding after epoxy applied Mix up batch Sig one-hour epoxy let soak fiberglass cloth using throwaway brush heat lamp hair dryer will speed up epoxy cure first coat dry knock off bumps rough spots coarse paper mix up apply second coat epoxy Sand 180-grit paper dry Use Sig glass beads epoxy Epoxilite have some handy fill low spots part smoothed satis faction cut away B-B hog out foam screwdriver Cut away A-A us ing Dremel-type tool router sand ing drum Glue F-lA front firewall along small hardwood blocks trial fit cowl trimming get flush fit fuselage sheeting Install en gine begin cutting away cowl fit over fit accurate screw cowl place Cut 2-in ring Lite Ply epoxy front cowl its centered engine shaft Glue rear block over stab sand shape Assemble tail wheel fittings epoxy tail wheel slot tail post Cevering finishing fuselage fin rudder covered Sig Koverall using nitrate dope wing stab/ele vator covered plastic film Dope brushed framework whereve covering contacted wood Stretc covering over fuselage th grain running crosswise lengthwise apply dope through covering t contact wood After tightening heat iron fabric given three coat nitrate clear Red Devil polyurethane almon shade gives original its cream cobs paint also sprayed th film holding up very well after mar flights black pinstriping A-i size Coverste Vinyl stick-on letterir office supply store used Pasture Pilots PPA logo t strictly tongue-in-cheek addition brought smile two seems amuse others notice logo w made Coverite Graphic Sheet thi painted old-timer cockpit ma Williams Bros 2%-in Sportsman simulate 1920s-style cap dabb baking soda small brush ad ed thin CyA repeating process until artful facsimile made bri piece A2 ply glued ti back cap rubberband used f elastic goggles After pinning windscreen place traced around its front ball-point pe carefully cut away covering #11 X-Acto knife leaving approximately /32 groove wood glued en Testors clear household c ment aluminum flange win screen made two strips Coven tape Which painted silver Frem initial inspiratien dna ing building stages finally relis ing its talents flier Ive received ma hours pleasure airplane Its realistic-looking model carries ne ism sky thats way enjo ing RC Pea Patch should satisfy Ha py touch-and-goes Radio Technique/Myers Continued page 36 can estimate current drawn ek tric motor dividing measured battery cap 150 Model Aviation
Edition: Model Aviation - 1990/09
Page Numbers: 24, 25, 26, 27, 28, 29, 30, 31, 32, 150
NO OCR TEXT NO OCR TEXT K rudder pushrod exit installation Kiett aileron fitting fairs niceiy fuse lage clean taii wheel steering system sure accuracy building panels Tracings can made formers glued wood spray contact cement peeled off after formers cut out Wing Pin A-in-sq stick place over plans used jig Pin another A-in-sq stick under bottom spar pin spar board Position ribs spar pin jig spar Position top A-in spar slide / x A-in trailing edge place slide x A-in rear spar through ribs Check panel yardstick Sig straightedge looks accurate apply thick CyA cyanoacrylate glue joints Glue x A-in leading edge piece ribs sand bevel con form rib shape Cover leading edge A6 sheet balsa Cut rear spar length Unpin pan el turn over pin back down jig rib Sand bevel lead ing edge install bottom sheeting Glue A6 verticals spars panel still pinned down Glue 3A6 tip pieces together stall center W-2 leading trailing edges Install braces spar extensions sheet tip Sand bevel edge x 3A -in balsa aileron spar pin plans Position ai leron ribs onto x 1-in trailing edge Pin assembly place over plans glue CyA Install glue A-in-sheet horn mount flush bot tom wing assembly draw straight line least 65 long workbench Place dihedral jig outboard W-2 position align spar mark bench line Put plastic wrap waxed paper under center section check fit spars leading trailing edges youre satisfied theyre square place shims under trailing edge pin panel down Install epoxy DR pieces spars SJ pieces rear spar Glue A-in-sq piece front edge trailing edge halves Sheet center sec tion wing still bench After sheeting remove wing stall aileron cranks mount Glue mounts cutouts W-3A ribs Con nect /16 music wire pushrods ai leron cranks Sheet bottom center sec tion Glue / x A-in leading edge cap place sand round Build stabilizer elevator rudder fin over plan Make elevator tie bar epoxy elevator halves together Fuselage Glue Lite Ply doublers A-in balsa sides together make right left assembly Take care dont assemble both sides same way balsa must outside piece Pin right side over plan fin ish building balsa sticks indi cated Cover glue joints top bottom right side strips waxed paper Position left side doubler assem Radio gear installation straightforward theres plenty room can see Futaba throttle rudder elevator ser vos on/off switch foam/ducttape-wrapped receiver ieft battery side-mountec tom wing Because opening side fuselage hatch unnecessary fake gas cap detailed plans fake left engine jug fashioned balsa painted aluminum exhaust stack 1/4-in dowel Pea Patch hand painted Sig Skybrite enamel Note clean flush fit cowl fuselage GRAD 3HEPItER K N N N % BALR RIB& - &IIEET PLi F1BERGLR& BLOCI K N C N RLR BPL ~MW SQ RCE TELL ME ABOUT TNI CRPiIi cnCOUR IN LPNDING CD 0JUET FIN I~dED CD WI CD CD / N N NN N 4QBRLAPRR WRT wEa Y8 ON BRP ~x}BALR N N N Q EL$R RM RL$R top center wing sheeting instaiied after joining operation complete Note traiiing edge has shimmed farther outboard allow installation top sheeting fuselage begins take shape Former F-2 F-3 have glued place com pleted sides pinned over waxed-paper-covered plan clothespin holds gether tall post triangle used ensure sides square tail post BA OUR S ROBE ERG NE HIkr II[I. DRILL OLE MA*ATORI lLSSHEEP SETS 2GTALL ITOITLE ROE OGLNt GLAOOEOLCTSEL______ P IGO PASSPLAP 2SSEELOPL-~ LA 53 BALSASIS 5E12 LAI PESALS*LSEE SECT PAL L bly ever right side Lite Ply isnt quite k youll need shim up left side till its flush outside edge A-in-sq longerons verticals Cardboard thin scrap ply good job Build up left side match right Remove assembly plan separate sides Sand bevels side tail post shown top view final assembly install former F-3 slots doubler pin down sides over top view Bring tail posts together clamp unit clothespin setting up 900 bench Install F-2 slots shimming un der sides location keep former place Epoxy formers doublers using blocks pinning firmly hold ward sides place doing Glue top bottom crosspieces Pin top formers aft F-3 temporarily place check see meet x A-in stringers Shift positions formers 28 Model Aviation LMUEB eoum F-S F-7 Full-Size Plans Available. See Page 196 F3 FB BLIPS PLY F-S F- A F-ZJ EMPLOTEEUPFAIE (rIPE PLYStilE PLY LOBWPB OOSOOEP OOOSOSOSO GBSIOOBOO3 0400005 F-S -STOPSIBIPSS ViKPMF-S FE FOB j --E-A-oosvPS010BST-l01 OdbSIBBP -005 ELEO 44(BOO _____--OSO0OOOBO00 OPP-00000 B T. -SOBOIMSIB OCT L0 OS CASIO SIBIBS 2140002 OOABOLE SSOS PLMO 52 ALL BBISOS0 6A4t B-S necessary glue place Glue hardwood block top F3B glue balsa scrap underneath Pin top stringers formers accurately posi tion before applying glue Mark off drill holes engine mount F-i firewall used 6-32 bolts through firewall epoxied back side lengths wire head slots Install firewall epoxy dou blers Install pushrod engine throttle point picture shows installa tion OS 40 Install Lite Ply mounting tank compartment vertical piece isolate throffle pushrod Install tank pack foam around Glue top doubler /8 x -in Lite Ply pieces slots F-i F-2 Glue A-in sheet top cabin section sheeting cut six pieces -in sheet balsa least 4 long three wide sheets A-grain balsa type balsa will curve easily MA1 ALL BALSA UNLESS NOTED Pei WI September 1990 29 F-The top bottom cross braces have glued place top farmers stringers secured Note small hardwood block epoxled F-3 used secure hatch fuel tank vertical ply section isolatIng tank throttle pushrod have installed doubled ply center brace place balsa cabin sheeting soaked wrapped rubberbanded around cans dry assume curved shapes cabin section begins take shape over wing Note %-ln strips pinned across wing will form base cabin structure Lite Ply plate glued across wing center trailing edge wiil serve reinforcement around wing rear hold-down bolt K Idkl NLSSSAO T/ 7--MT-i/1/SSTA TOP & BOTTOM WT2 MT-a -\ WINS TIP 3Il6BALSA TMEMCM 55 = Ii 1/16 SHEET TOP & BOTTOM -H--- 1- VERTICALS TYPICAL1/6SI CL ETT 1/BST FIRM BALS 0 SECTION 5-5 DIHEDRAL JIG T/6BALSAI2I SPAR LOCATER along its lengthor better said grain Soak pieces water wrap around coffee cans liberally secured rubberbands until theyre dry Glue A-in balsa side doublers A-in side stringers saddle strip /16 x A-in strip top longeron Epoxy Lite Ply WP cutouts ply doubler against F-3 Epoxy WPB reinforcements place Cut three lengths Sig maple engine mount stock size epoxy place per plans Position wing saddle sand away high spots saddle wing fits snugly fuselage Pin wing trailing edge squaring up tail post Drill down through wing ply plate WP maple block /16 drill Install short piece /16 dowel hole Drill front holes through ply plate maple block install second piece doweling Drill remaining hole After removing wing tap blocks -20 enlarge holes wing Bolt wing place lay plas 30 Model Aviation clear view throttle pushrod installation threaded link rod used keep stiff enough positive engine control Note engine-mount attachment screws epoxied backside firewall Also note lightening holes cut ply side doublers Full-Size Plans Available . See Page 196 T/IGLLi1214 --------~--GNIYSIflOSS/I -_OEM RIGHT EM WING EM MN HElL XSYVB E/LXT/I II EM = IIH II IILLI 1/8X1/21/IX 1/2 CAP TIIIIII I_____ 7-7 1/16MW1/16 PLY N2W252 6/ LEFT SING CEk4ER 9ET LI -_/2BA__Wi I ~6 sJ 1 1/4 SHEET STABILIZER 1/851/4 lOS 1/h 51/2 FSAG4E 4 I/4S7/8GALA -LEADING EDGE 1/4SQ2JIG 1/SUSSETS ITYP llBMALSAMAKEBF~RT22Z---6~ALS MAKES K K 1/6 LITE PLY -_- -W3—-~jyA-114 76ALSA-MAKE IS 1/tOALSA W MAKES PROM W-3s MAN 5MB PILL ER 1/BLITE PLY 2 l/LITE PLY 2 N I/SWINE YMRU TUBE 6 SOLDERED 1/4 BRASS TUBING ii LEVATOR 1/8X1/4 RIBS - ELEYT PIN PSINTITYP 1/551/2 Pea GOLDEN AGE SPORT MODEl 60 SPAN SLfl 120Z SOTO5BOST tic wrap over center section Pin A-in cabin strips formers place Referring pictures pin straight strips top center fuselage fore aft aligners cabin formers youre satisfied formers will fair rest fuselage glue cabin strips glue / x A-in strips top Remove A-in sheet pieces coffee cans begin fitting cabin formers takes some trying marking get good fit over wing little patience helps Using pattern cockpit mark cut out opening sand cabin sheeting fits well rest fuselage Carve headrest block glue place Glue % x 1-in ply holddown front cabin section after cutting out balsa sheet sheeting over tank accept Drill holes 440 tap forward part hold-down shown plan plan use gas cap hold-down fashion according method shown drawing OtherSeptember 1990 31 c cabin top sheeting being applied Note plastic wrap separating structure fuselage wing sheeting glued formers trimmed back half thickness former center sheeting can glued exposed half Left cockpit sheeting place opening has rough trimmed Small pieces ot balsa will cut visible gaps Right rear wing mounting plate has glued recesses doublers forward Sig maple hold-down blocks drilled tapped epoxied place Note forward cabin mount recessed achieve flush cabin tab fit Also note braced landing gear mount wise substitute own favorite method securing hatch Glue A-in dowel headrest shown drill tap 4-40 hold-down screw Cut Sig landing gear blocks length epoxy place together gear block reinforcements Refer section drawing bottom sheeting glue sheeting place per plan Bend Template B-B has glued foam block begin cowl construction Center thrust lines have scored B-B foam block Template A-A has also marked epoxied foam block landing gear wires clamp blocks Build removable section un der landing gear same way bot tom sheeting attached secure wood screws landing gear blocks Glue bottom stringers A-in facing attach covering Install servo mounting pieces suitable equip ment youre using Install pushrods foam nose piece has glued A-A entire cowl plug has sanded its correct shape Notice has shaped blend smoothly contours templates A-A B-B circle roughly marks spinner ring position elevator rudder Sullivan Gold-n-Rods used prototype Fabricating cowl relatively easy using two templates shown plan Foam blocks available craft store craft department variety store Continued page 150 Two views finished airplane its bare bones its almost too pretty cover once covered itll prettier fly much better perfectly flush-fitting cowl may take little effort make its really worth its appearance strength light weight 32 Model Aviation Fiberglass cloth being fitted over f Ished foam plug cloth used quite heavy Make dart cuts around cheeks slight overlap Use Sig Kwik Set 5-minute epoxy equivalent prod uct Keep overlaps smooth possi ble avoid lot sanding filling later Mere Fun less Funds ving pan62/2 inches Wing Area770 square inches Engine Size 10 cc 90 120 four stroke Designed AMA FAI Turn-around pattern Foam wing stab 3-32 Balsa sheet covering Tricycle conven lional gear fixed retracts Rear side exhaust fiber glass canopy Very positive maneuverable XLT SPECIFICA Wing Span65 inches Length65 inches Wing Area845 square inches Recommended Engine Size 10 cc 90 120 four stroke XLT designed tuned pipe re tract landing gears Capable AMA Turn-around pattern Rear side ex haust SPECIFICATIONS Wing Span Wing Area Engine Size 63Y4 inches 700 square inches 50-60 Glow 90 four stroke fun sport pattern turn-around can done Utter Chaos completely built up Balsa construction Canopy engine mount included years proven flying reliablity BRIDI AIRCRAFT DESIGNS INC 23625 Pineforest Lane Harbor City California 90710 213 549-8264 213 326-5013 SEE YOUR FAVORITE HOBBY SHOP OR RETAIL OUTLETW Dealer Inqurles Invited D&J ELECTRONICS 900 Lucy Road ll Ml 48843 546-2644 service makes RIO equipment utilizing state art electronics Spectrum Analyzer Precision Frequency Measuring equipment True 1991 Standards endorsed AMA & ROMA Transmitter Slicker Program FCC LicensedSpeed Central RepairsQuality Service Transmitter Checks Only includes GOLD/SILVER slicker$400 Transmitter & Receiver Calibration$2400 Frequency Upgrades & Changes crystals extra$2900 Bench Time Repairs per hour$2500 Transmitters service will receive AMA/RCMA sticker ADD $500 FOR SHIPPING & INSURANCE TURN AROUND TIME TWO WEEKS OR LESSIi UPSLJ ISA/MASTERCARD ACCEPTEDCOD Pea Patch/Shepherd Continued page 32 used form shape cowl Cut block inside dimensions sections AA B-B Epoxy B-B pattern side draw alignment lines foam properly position A-A pattern Glue A-A place shown picture Glue foam nose block A-A use 80- 100-grit sandpaper shape foam around patterns youre satisfied shape lay fiberglass cloth ever foam securing five-minute epoxy achieve snugness final one-hour epoxy used Youll need cut darts cloth good fit over form Try keep smooth possible avoid ex cessive sanding after epoxy applied Mix up batch Sig one-hour epoxy let soak fiberglass cloth using throwaway brush heat lamp hair dryer will speed up epoxy cure first coat dry knock off bumps rough spots coarse paper mix up apply second coat epoxy Sand 180-grit paper dry Use Sig glass beads epoxy Epoxilite have some handy fill low spots part smoothed satis faction cut away B-B hog out foam screwdriver Cut away A-A us ing Dremel-type tool router sand ing drum Glue F-lA front firewall along small hardwood blocks trial fit cowl trimming get flush fit fuselage sheeting Install en gine begin cutting away cowl fit over fit accurate screw cowl place Cut 2-in ring Lite Ply epoxy front cowl its centered engine shaft Glue rear block over stab sand shape Assemble tail wheel fittings epoxy tail wheel slot tail post Cevering finishing fuselage fin rudder covered Sig Koverall using nitrate dope wing stab/ele vator covered plastic film Dope brushed framework whereve covering contacted wood Stretc covering over fuselage th grain running crosswise lengthwise apply dope through covering t contact wood After tightening heat iron fabric given three coat nitrate clear Red Devil polyurethane almon shade gives original its cream cobs paint also sprayed th film holding up very well after mar flights black pinstriping A-i size Coverste Vinyl stick-on letterir office supply store used Pasture Pilots PPA logo t strictly tongue-in-cheek addition brought smile two seems amuse others notice logo w made Coverite Graphic Sheet thi painted old-timer cockpit ma Williams Bros 2%-in Sportsman simulate 1920s-style cap dabb baking soda small brush ad ed thin CyA repeating process until artful facsimile made bri piece A2 ply glued ti back cap rubberband used f elastic goggles After pinning windscreen place traced around its front ball-point pe carefully cut away covering #11 X-Acto knife leaving approximately /32 groove wood glued en Testors clear household c ment aluminum flange win screen made two strips Coven tape Which painted silver Frem initial inspiratien dna ing building stages finally relis ing its talents flier Ive received ma hours pleasure airplane Its realistic-looking model carries ne ism sky thats way enjo ing RC Pea Patch should satisfy Ha py touch-and-goes Radio Technique/Myers Continued page 36 can estimate current drawn ek tric motor dividing measured battery cap 150 Model Aviation
Edition: Model Aviation - 1990/09
Page Numbers: 24, 25, 26, 27, 28, 29, 30, 31, 32, 150
NO OCR TEXT NO OCR TEXT K rudder pushrod exit installation Kiett aileron fitting fairs niceiy fuse lage clean taii wheel steering system sure accuracy building panels Tracings can made formers glued wood spray contact cement peeled off after formers cut out Wing Pin A-in-sq stick place over plans used jig Pin another A-in-sq stick under bottom spar pin spar board Position ribs spar pin jig spar Position top A-in spar slide / x A-in trailing edge place slide x A-in rear spar through ribs Check panel yardstick Sig straightedge looks accurate apply thick CyA cyanoacrylate glue joints Glue x A-in leading edge piece ribs sand bevel con form rib shape Cover leading edge A6 sheet balsa Cut rear spar length Unpin pan el turn over pin back down jig rib Sand bevel lead ing edge install bottom sheeting Glue A6 verticals spars panel still pinned down Glue 3A6 tip pieces together stall center W-2 leading trailing edges Install braces spar extensions sheet tip Sand bevel edge x 3A -in balsa aileron spar pin plans Position ai leron ribs onto x 1-in trailing edge Pin assembly place over plans glue CyA Install glue A-in-sheet horn mount flush bot tom wing assembly draw straight line least 65 long workbench Place dihedral jig outboard W-2 position align spar mark bench line Put plastic wrap waxed paper under center section check fit spars leading trailing edges youre satisfied theyre square place shims under trailing edge pin panel down Install epoxy DR pieces spars SJ pieces rear spar Glue A-in-sq piece front edge trailing edge halves Sheet center sec tion wing still bench After sheeting remove wing stall aileron cranks mount Glue mounts cutouts W-3A ribs Con nect /16 music wire pushrods ai leron cranks Sheet bottom center sec tion Glue / x A-in leading edge cap place sand round Build stabilizer elevator rudder fin over plan Make elevator tie bar epoxy elevator halves together Fuselage Glue Lite Ply doublers A-in balsa sides together make right left assembly Take care dont assemble both sides same way balsa must outside piece Pin right side over plan fin ish building balsa sticks indi cated Cover glue joints top bottom right side strips waxed paper Position left side doubler assem Radio gear installation straightforward theres plenty room can see Futaba throttle rudder elevator ser vos on/off switch foam/ducttape-wrapped receiver ieft battery side-mountec tom wing Because opening side fuselage hatch unnecessary fake gas cap detailed plans fake left engine jug fashioned balsa painted aluminum exhaust stack 1/4-in dowel Pea Patch hand painted Sig Skybrite enamel Note clean flush fit cowl fuselage GRAD 3HEPItER K N N N % BALR RIB& - &IIEET PLi F1BERGLR& BLOCI K N C N RLR BPL ~MW SQ RCE TELL ME ABOUT TNI CRPiIi cnCOUR IN LPNDING CD 0JUET FIN I~dED CD WI CD CD / N N NN N 4QBRLAPRR WRT wEa Y8 ON BRP ~x}BALR N N N Q EL$R RM RL$R top center wing sheeting instaiied after joining operation complete Note traiiing edge has shimmed farther outboard allow installation top sheeting fuselage begins take shape Former F-2 F-3 have glued place com pleted sides pinned over waxed-paper-covered plan clothespin holds gether tall post triangle used ensure sides square tail post BA OUR S ROBE ERG NE HIkr II[I. DRILL OLE MA*ATORI lLSSHEEP SETS 2GTALL ITOITLE ROE OGLNt GLAOOEOLCTSEL______ P IGO PASSPLAP 2SSEELOPL-~ LA 53 BALSASIS 5E12 LAI PESALS*LSEE SECT PAL L bly ever right side Lite Ply isnt quite k youll need shim up left side till its flush outside edge A-in-sq longerons verticals Cardboard thin scrap ply good job Build up left side match right Remove assembly plan separate sides Sand bevels side tail post shown top view final assembly install former F-3 slots doubler pin down sides over top view Bring tail posts together clamp unit clothespin setting up 900 bench Install F-2 slots shimming un der sides location keep former place Epoxy formers doublers using blocks pinning firmly hold ward sides place doing Glue top bottom crosspieces Pin top formers aft F-3 temporarily place check see meet x A-in stringers Shift positions formers 28 Model Aviation LMUEB eoum F-S F-7 Full-Size Plans Available. See Page 196 F3 FB BLIPS PLY F-S F- A F-ZJ EMPLOTEEUPFAIE (rIPE PLYStilE PLY LOBWPB OOSOOEP OOOSOSOSO GBSIOOBOO3 0400005 F-S -STOPSIBIPSS ViKPMF-S FE FOB j --E-A-oosvPS010BST-l01 OdbSIBBP -005 ELEO 44(BOO _____--OSO0OOOBO00 OPP-00000 B T. -SOBOIMSIB OCT L0 OS CASIO SIBIBS 2140002 OOABOLE SSOS PLMO 52 ALL BBISOS0 6A4t B-S necessary glue place Glue hardwood block top F3B glue balsa scrap underneath Pin top stringers formers accurately posi tion before applying glue Mark off drill holes engine mount F-i firewall used 6-32 bolts through firewall epoxied back side lengths wire head slots Install firewall epoxy dou blers Install pushrod engine throttle point picture shows installa tion OS 40 Install Lite Ply mounting tank compartment vertical piece isolate throffle pushrod Install tank pack foam around Glue top doubler /8 x -in Lite Ply pieces slots F-i F-2 Glue A-in sheet top cabin section sheeting cut six pieces -in sheet balsa least 4 long three wide sheets A-grain balsa type balsa will curve easily MA1 ALL BALSA UNLESS NOTED Pei WI September 1990 29 F-The top bottom cross braces have glued place top farmers stringers secured Note small hardwood block epoxled F-3 used secure hatch fuel tank vertical ply section isolatIng tank throttle pushrod have installed doubled ply center brace place balsa cabin sheeting soaked wrapped rubberbanded around cans dry assume curved shapes cabin section begins take shape over wing Note %-ln strips pinned across wing will form base cabin structure Lite Ply plate glued across wing center trailing edge wiil serve reinforcement around wing rear hold-down bolt K Idkl NLSSSAO T/ 7--MT-i/1/SSTA TOP & BOTTOM WT2 MT-a -\ WINS TIP 3Il6BALSA TMEMCM 55 = Ii 1/16 SHEET TOP & BOTTOM -H--- 1- VERTICALS TYPICAL1/6SI CL ETT 1/BST FIRM BALS 0 SECTION 5-5 DIHEDRAL JIG T/6BALSAI2I SPAR LOCATER along its lengthor better said grain Soak pieces water wrap around coffee cans liberally secured rubberbands until theyre dry Glue A-in balsa side doublers A-in side stringers saddle strip /16 x A-in strip top longeron Epoxy Lite Ply WP cutouts ply doubler against F-3 Epoxy WPB reinforcements place Cut three lengths Sig maple engine mount stock size epoxy place per plans Position wing saddle sand away high spots saddle wing fits snugly fuselage Pin wing trailing edge squaring up tail post Drill down through wing ply plate WP maple block /16 drill Install short piece /16 dowel hole Drill front holes through ply plate maple block install second piece doweling Drill remaining hole After removing wing tap blocks -20 enlarge holes wing Bolt wing place lay plas 30 Model Aviation clear view throttle pushrod installation threaded link rod used keep stiff enough positive engine control Note engine-mount attachment screws epoxied backside firewall Also note lightening holes cut ply side doublers Full-Size Plans Available . See Page 196 T/IGLLi1214 --------~--GNIYSIflOSS/I -_OEM RIGHT EM WING EM MN HElL XSYVB E/LXT/I II EM = IIH II IILLI 1/8X1/21/IX 1/2 CAP TIIIIII I_____ 7-7 1/16MW1/16 PLY N2W252 6/ LEFT SING CEk4ER 9ET LI -_/2BA__Wi I ~6 sJ 1 1/4 SHEET STABILIZER 1/851/4 lOS 1/h 51/2 FSAG4E 4 I/4S7/8GALA -LEADING EDGE 1/4SQ2JIG 1/SUSSETS ITYP llBMALSAMAKEBF~RT22Z---6~ALS MAKES K K 1/6 LITE PLY -_- -W3—-~jyA-114 76ALSA-MAKE IS 1/tOALSA W MAKES PROM W-3s MAN 5MB PILL ER 1/BLITE PLY 2 l/LITE PLY 2 N I/SWINE YMRU TUBE 6 SOLDERED 1/4 BRASS TUBING ii LEVATOR 1/8X1/4 RIBS - ELEYT PIN PSINTITYP 1/551/2 Pea GOLDEN AGE SPORT MODEl 60 SPAN SLfl 120Z SOTO5BOST tic wrap over center section Pin A-in cabin strips formers place Referring pictures pin straight strips top center fuselage fore aft aligners cabin formers youre satisfied formers will fair rest fuselage glue cabin strips glue / x A-in strips top Remove A-in sheet pieces coffee cans begin fitting cabin formers takes some trying marking get good fit over wing little patience helps Using pattern cockpit mark cut out opening sand cabin sheeting fits well rest fuselage Carve headrest block glue place Glue % x 1-in ply holddown front cabin section after cutting out balsa sheet sheeting over tank accept Drill holes 440 tap forward part hold-down shown plan plan use gas cap hold-down fashion according method shown drawing OtherSeptember 1990 31 c cabin top sheeting being applied Note plastic wrap separating structure fuselage wing sheeting glued formers trimmed back half thickness former center sheeting can glued exposed half Left cockpit sheeting place opening has rough trimmed Small pieces ot balsa will cut visible gaps Right rear wing mounting plate has glued recesses doublers forward Sig maple hold-down blocks drilled tapped epoxied place Note forward cabin mount recessed achieve flush cabin tab fit Also note braced landing gear mount wise substitute own favorite method securing hatch Glue A-in dowel headrest shown drill tap 4-40 hold-down screw Cut Sig landing gear blocks length epoxy place together gear block reinforcements Refer section drawing bottom sheeting glue sheeting place per plan Bend Template B-B has glued foam block begin cowl construction Center thrust lines have scored B-B foam block Template A-A has also marked epoxied foam block landing gear wires clamp blocks Build removable section un der landing gear same way bot tom sheeting attached secure wood screws landing gear blocks Glue bottom stringers A-in facing attach covering Install servo mounting pieces suitable equip ment youre using Install pushrods foam nose piece has glued A-A entire cowl plug has sanded its correct shape Notice has shaped blend smoothly contours templates A-A B-B circle roughly marks spinner ring position elevator rudder Sullivan Gold-n-Rods used prototype Fabricating cowl relatively easy using two templates shown plan Foam blocks available craft store craft department variety store Continued page 150 Two views finished airplane its bare bones its almost too pretty cover once covered itll prettier fly much better perfectly flush-fitting cowl may take little effort make its really worth its appearance strength light weight 32 Model Aviation Fiberglass cloth being fitted over f Ished foam plug cloth used quite heavy Make dart cuts around cheeks slight overlap Use Sig Kwik Set 5-minute epoxy equivalent prod uct Keep overlaps smooth possi ble avoid lot sanding filling later Mere Fun less Funds ving pan62/2 inches Wing Area770 square inches Engine Size 10 cc 90 120 four stroke Designed AMA FAI Turn-around pattern Foam wing stab 3-32 Balsa sheet covering Tricycle conven lional gear fixed retracts Rear side exhaust fiber glass canopy Very positive maneuverable XLT SPECIFICA Wing Span65 inches Length65 inches Wing Area845 square inches Recommended Engine Size 10 cc 90 120 four stroke XLT designed tuned pipe re tract landing gears Capable AMA Turn-around pattern Rear side ex haust SPECIFICATIONS Wing Span Wing Area Engine Size 63Y4 inches 700 square inches 50-60 Glow 90 four stroke fun sport pattern turn-around can done Utter Chaos completely built up Balsa construction Canopy engine mount included years proven flying reliablity BRIDI AIRCRAFT DESIGNS INC 23625 Pineforest Lane Harbor City California 90710 213 549-8264 213 326-5013 SEE YOUR FAVORITE HOBBY SHOP OR RETAIL OUTLETW Dealer Inqurles Invited D&J ELECTRONICS 900 Lucy Road ll Ml 48843 546-2644 service makes RIO equipment utilizing state art electronics Spectrum Analyzer Precision Frequency Measuring equipment True 1991 Standards endorsed AMA & ROMA Transmitter Slicker Program FCC LicensedSpeed Central RepairsQuality Service Transmitter Checks Only includes GOLD/SILVER slicker$400 Transmitter & Receiver Calibration$2400 Frequency Upgrades & Changes crystals extra$2900 Bench Time Repairs per hour$2500 Transmitters service will receive AMA/RCMA sticker ADD $500 FOR SHIPPING & INSURANCE TURN AROUND TIME TWO WEEKS OR LESSIi UPSLJ ISA/MASTERCARD ACCEPTEDCOD Pea Patch/Shepherd Continued page 32 used form shape cowl Cut block inside dimensions sections AA B-B Epoxy B-B pattern side draw alignment lines foam properly position A-A pattern Glue A-A place shown picture Glue foam nose block A-A use 80- 100-grit sandpaper shape foam around patterns youre satisfied shape lay fiberglass cloth ever foam securing five-minute epoxy achieve snugness final one-hour epoxy used Youll need cut darts cloth good fit over form Try keep smooth possible avoid ex cessive sanding after epoxy applied Mix up batch Sig one-hour epoxy let soak fiberglass cloth using throwaway brush heat lamp hair dryer will speed up epoxy cure first coat dry knock off bumps rough spots coarse paper mix up apply second coat epoxy Sand 180-grit paper dry Use Sig glass beads epoxy Epoxilite have some handy fill low spots part smoothed satis faction cut away B-B hog out foam screwdriver Cut away A-A us ing Dremel-type tool router sand ing drum Glue F-lA front firewall along small hardwood blocks trial fit cowl trimming get flush fit fuselage sheeting Install en gine begin cutting away cowl fit over fit accurate screw cowl place Cut 2-in ring Lite Ply epoxy front cowl its centered engine shaft Glue rear block over stab sand shape Assemble tail wheel fittings epoxy tail wheel slot tail post Cevering finishing fuselage fin rudder covered Sig Koverall using nitrate dope wing stab/ele vator covered plastic film Dope brushed framework whereve covering contacted wood Stretc covering over fuselage th grain running crosswise lengthwise apply dope through covering t contact wood After tightening heat iron fabric given three coat nitrate clear Red Devil polyurethane almon shade gives original its cream cobs paint also sprayed th film holding up very well after mar flights black pinstriping A-i size Coverste Vinyl stick-on letterir office supply store used Pasture Pilots PPA logo t strictly tongue-in-cheek addition brought smile two seems amuse others notice logo w made Coverite Graphic Sheet thi painted old-timer cockpit ma Williams Bros 2%-in Sportsman simulate 1920s-style cap dabb baking soda small brush ad ed thin CyA repeating process until artful facsimile made bri piece A2 ply glued ti back cap rubberband used f elastic goggles After pinning windscreen place traced around its front ball-point pe carefully cut away covering #11 X-Acto knife leaving approximately /32 groove wood glued en Testors clear household c ment aluminum flange win screen made two strips Coven tape Which painted silver Frem initial inspiratien dna ing building stages finally relis ing its talents flier Ive received ma hours pleasure airplane Its realistic-looking model carries ne ism sky thats way enjo ing RC Pea Patch should satisfy Ha py touch-and-goes Radio Technique/Myers Continued page 36 can estimate current drawn ek tric motor dividing measured battery cap 150 Model Aviation
Edition: Model Aviation - 1990/09
Page Numbers: 24, 25, 26, 27, 28, 29, 30, 31, 32, 150
NO OCR TEXT NO OCR TEXT K rudder pushrod exit installation Kiett aileron fitting fairs niceiy fuse lage clean taii wheel steering system sure accuracy building panels Tracings can made formers glued wood spray contact cement peeled off after formers cut out Wing Pin A-in-sq stick place over plans used jig Pin another A-in-sq stick under bottom spar pin spar board Position ribs spar pin jig spar Position top A-in spar slide / x A-in trailing edge place slide x A-in rear spar through ribs Check panel yardstick Sig straightedge looks accurate apply thick CyA cyanoacrylate glue joints Glue x A-in leading edge piece ribs sand bevel con form rib shape Cover leading edge A6 sheet balsa Cut rear spar length Unpin pan el turn over pin back down jig rib Sand bevel lead ing edge install bottom sheeting Glue A6 verticals spars panel still pinned down Glue 3A6 tip pieces together stall center W-2 leading trailing edges Install braces spar extensions sheet tip Sand bevel edge x 3A -in balsa aileron spar pin plans Position ai leron ribs onto x 1-in trailing edge Pin assembly place over plans glue CyA Install glue A-in-sheet horn mount flush bot tom wing assembly draw straight line least 65 long workbench Place dihedral jig outboard W-2 position align spar mark bench line Put plastic wrap waxed paper under center section check fit spars leading trailing edges youre satisfied theyre square place shims under trailing edge pin panel down Install epoxy DR pieces spars SJ pieces rear spar Glue A-in-sq piece front edge trailing edge halves Sheet center sec tion wing still bench After sheeting remove wing stall aileron cranks mount Glue mounts cutouts W-3A ribs Con nect /16 music wire pushrods ai leron cranks Sheet bottom center sec tion Glue / x A-in leading edge cap place sand round Build stabilizer elevator rudder fin over plan Make elevator tie bar epoxy elevator halves together Fuselage Glue Lite Ply doublers A-in balsa sides together make right left assembly Take care dont assemble both sides same way balsa must outside piece Pin right side over plan fin ish building balsa sticks indi cated Cover glue joints top bottom right side strips waxed paper Position left side doubler assem Radio gear installation straightforward theres plenty room can see Futaba throttle rudder elevator ser vos on/off switch foam/ducttape-wrapped receiver ieft battery side-mountec tom wing Because opening side fuselage hatch unnecessary fake gas cap detailed plans fake left engine jug fashioned balsa painted aluminum exhaust stack 1/4-in dowel Pea Patch hand painted Sig Skybrite enamel Note clean flush fit cowl fuselage GRAD 3HEPItER K N N N % BALR RIB& - &IIEET PLi F1BERGLR& BLOCI K N C N RLR BPL ~MW SQ RCE TELL ME ABOUT TNI CRPiIi cnCOUR IN LPNDING CD 0JUET FIN I~dED CD WI CD CD / N N NN N 4QBRLAPRR WRT wEa Y8 ON BRP ~x}BALR N N N Q EL$R RM RL$R top center wing sheeting instaiied after joining operation complete Note traiiing edge has shimmed farther outboard allow installation top sheeting fuselage begins take shape Former F-2 F-3 have glued place com pleted sides pinned over waxed-paper-covered plan clothespin holds gether tall post triangle used ensure sides square tail post BA OUR S ROBE ERG NE HIkr II[I. DRILL OLE MA*ATORI lLSSHEEP SETS 2GTALL ITOITLE ROE OGLNt GLAOOEOLCTSEL______ P IGO PASSPLAP 2SSEELOPL-~ LA 53 BALSASIS 5E12 LAI PESALS*LSEE SECT PAL L bly ever right side Lite Ply isnt quite k youll need shim up left side till its flush outside edge A-in-sq longerons verticals Cardboard thin scrap ply good job Build up left side match right Remove assembly plan separate sides Sand bevels side tail post shown top view final assembly install former F-3 slots doubler pin down sides over top view Bring tail posts together clamp unit clothespin setting up 900 bench Install F-2 slots shimming un der sides location keep former place Epoxy formers doublers using blocks pinning firmly hold ward sides place doing Glue top bottom crosspieces Pin top formers aft F-3 temporarily place check see meet x A-in stringers Shift positions formers 28 Model Aviation LMUEB eoum F-S F-7 Full-Size Plans Available. See Page 196 F3 FB BLIPS PLY F-S F- A F-ZJ EMPLOTEEUPFAIE (rIPE PLYStilE PLY LOBWPB OOSOOEP OOOSOSOSO GBSIOOBOO3 0400005 F-S -STOPSIBIPSS ViKPMF-S FE FOB j --E-A-oosvPS010BST-l01 OdbSIBBP -005 ELEO 44(BOO _____--OSO0OOOBO00 OPP-00000 B T. -SOBOIMSIB OCT L0 OS CASIO SIBIBS 2140002 OOABOLE SSOS PLMO 52 ALL BBISOS0 6A4t B-S necessary glue place Glue hardwood block top F3B glue balsa scrap underneath Pin top stringers formers accurately posi tion before applying glue Mark off drill holes engine mount F-i firewall used 6-32 bolts through firewall epoxied back side lengths wire head slots Install firewall epoxy dou blers Install pushrod engine throttle point picture shows installa tion OS 40 Install Lite Ply mounting tank compartment vertical piece isolate throffle pushrod Install tank pack foam around Glue top doubler /8 x -in Lite Ply pieces slots F-i F-2 Glue A-in sheet top cabin section sheeting cut six pieces -in sheet balsa least 4 long three wide sheets A-grain balsa type balsa will curve easily MA1 ALL BALSA UNLESS NOTED Pei WI September 1990 29 F-The top bottom cross braces have glued place top farmers stringers secured Note small hardwood block epoxled F-3 used secure hatch fuel tank vertical ply section isolatIng tank throttle pushrod have installed doubled ply center brace place balsa cabin sheeting soaked wrapped rubberbanded around cans dry assume curved shapes cabin section begins take shape over wing Note %-ln strips pinned across wing will form base cabin structure Lite Ply plate glued across wing center trailing edge wiil serve reinforcement around wing rear hold-down bolt K Idkl NLSSSAO T/ 7--MT-i/1/SSTA TOP & BOTTOM WT2 MT-a -\ WINS TIP 3Il6BALSA TMEMCM 55 = Ii 1/16 SHEET TOP & BOTTOM -H--- 1- VERTICALS TYPICAL1/6SI CL ETT 1/BST FIRM BALS 0 SECTION 5-5 DIHEDRAL JIG T/6BALSAI2I SPAR LOCATER along its lengthor better said grain Soak pieces water wrap around coffee cans liberally secured rubberbands until theyre dry Glue A-in balsa side doublers A-in side stringers saddle strip /16 x A-in strip top longeron Epoxy Lite Ply WP cutouts ply doubler against F-3 Epoxy WPB reinforcements place Cut three lengths Sig maple engine mount stock size epoxy place per plans Position wing saddle sand away high spots saddle wing fits snugly fuselage Pin wing trailing edge squaring up tail post Drill down through wing ply plate WP maple block /16 drill Install short piece /16 dowel hole Drill front holes through ply plate maple block install second piece doweling Drill remaining hole After removing wing tap blocks -20 enlarge holes wing Bolt wing place lay plas 30 Model Aviation clear view throttle pushrod installation threaded link rod used keep stiff enough positive engine control Note engine-mount attachment screws epoxied backside firewall Also note lightening holes cut ply side doublers Full-Size Plans Available . See Page 196 T/IGLLi1214 --------~--GNIYSIflOSS/I -_OEM RIGHT EM WING EM MN HElL XSYVB E/LXT/I II EM = IIH II IILLI 1/8X1/21/IX 1/2 CAP TIIIIII I_____ 7-7 1/16MW1/16 PLY N2W252 6/ LEFT SING CEk4ER 9ET LI -_/2BA__Wi I ~6 sJ 1 1/4 SHEET STABILIZER 1/851/4 lOS 1/h 51/2 FSAG4E 4 I/4S7/8GALA -LEADING EDGE 1/4SQ2JIG 1/SUSSETS ITYP llBMALSAMAKEBF~RT22Z---6~ALS MAKES K K 1/6 LITE PLY -_- -W3—-~jyA-114 76ALSA-MAKE IS 1/tOALSA W MAKES PROM W-3s MAN 5MB PILL ER 1/BLITE PLY 2 l/LITE PLY 2 N I/SWINE YMRU TUBE 6 SOLDERED 1/4 BRASS TUBING ii LEVATOR 1/8X1/4 RIBS - ELEYT PIN PSINTITYP 1/551/2 Pea GOLDEN AGE SPORT MODEl 60 SPAN SLfl 120Z SOTO5BOST tic wrap over center section Pin A-in cabin strips formers place Referring pictures pin straight strips top center fuselage fore aft aligners cabin formers youre satisfied formers will fair rest fuselage glue cabin strips glue / x A-in strips top Remove A-in sheet pieces coffee cans begin fitting cabin formers takes some trying marking get good fit over wing little patience helps Using pattern cockpit mark cut out opening sand cabin sheeting fits well rest fuselage Carve headrest block glue place Glue % x 1-in ply holddown front cabin section after cutting out balsa sheet sheeting over tank accept Drill holes 440 tap forward part hold-down shown plan plan use gas cap hold-down fashion according method shown drawing OtherSeptember 1990 31 c cabin top sheeting being applied Note plastic wrap separating structure fuselage wing sheeting glued formers trimmed back half thickness former center sheeting can glued exposed half Left cockpit sheeting place opening has rough trimmed Small pieces ot balsa will cut visible gaps Right rear wing mounting plate has glued recesses doublers forward Sig maple hold-down blocks drilled tapped epoxied place Note forward cabin mount recessed achieve flush cabin tab fit Also note braced landing gear mount wise substitute own favorite method securing hatch Glue A-in dowel headrest shown drill tap 4-40 hold-down screw Cut Sig landing gear blocks length epoxy place together gear block reinforcements Refer section drawing bottom sheeting glue sheeting place per plan Bend Template B-B has glued foam block begin cowl construction Center thrust lines have scored B-B foam block Template A-A has also marked epoxied foam block landing gear wires clamp blocks Build removable section un der landing gear same way bot tom sheeting attached secure wood screws landing gear blocks Glue bottom stringers A-in facing attach covering Install servo mounting pieces suitable equip ment youre using Install pushrods foam nose piece has glued A-A entire cowl plug has sanded its correct shape Notice has shaped blend smoothly contours templates A-A B-B circle roughly marks spinner ring position elevator rudder Sullivan Gold-n-Rods used prototype Fabricating cowl relatively easy using two templates shown plan Foam blocks available craft store craft department variety store Continued page 150 Two views finished airplane its bare bones its almost too pretty cover once covered itll prettier fly much better perfectly flush-fitting cowl may take little effort make its really worth its appearance strength light weight 32 Model Aviation Fiberglass cloth being fitted over f Ished foam plug cloth used quite heavy Make dart cuts around cheeks slight overlap Use Sig Kwik Set 5-minute epoxy equivalent prod uct Keep overlaps smooth possi ble avoid lot sanding filling later Mere Fun less Funds ving pan62/2 inches Wing Area770 square inches Engine Size 10 cc 90 120 four stroke Designed AMA FAI Turn-around pattern Foam wing stab 3-32 Balsa sheet covering Tricycle conven lional gear fixed retracts Rear side exhaust fiber glass canopy Very positive maneuverable XLT SPECIFICA Wing Span65 inches Length65 inches Wing Area845 square inches Recommended Engine Size 10 cc 90 120 four stroke XLT designed tuned pipe re tract landing gears Capable AMA Turn-around pattern Rear side ex haust SPECIFICATIONS Wing Span Wing Area Engine Size 63Y4 inches 700 square inches 50-60 Glow 90 four stroke fun sport pattern turn-around can done Utter Chaos completely built up Balsa construction Canopy engine mount included years proven flying reliablity BRIDI AIRCRAFT DESIGNS INC 23625 Pineforest Lane Harbor City California 90710 213 549-8264 213 326-5013 SEE YOUR FAVORITE HOBBY SHOP OR RETAIL OUTLETW Dealer Inqurles Invited D&J ELECTRONICS 900 Lucy Road ll Ml 48843 546-2644 service makes RIO equipment utilizing state art electronics Spectrum Analyzer Precision Frequency Measuring equipment True 1991 Standards endorsed AMA & ROMA Transmitter Slicker Program FCC LicensedSpeed Central RepairsQuality Service Transmitter Checks Only includes GOLD/SILVER slicker$400 Transmitter & Receiver Calibration$2400 Frequency Upgrades & Changes crystals extra$2900 Bench Time Repairs per hour$2500 Transmitters service will receive AMA/RCMA sticker ADD $500 FOR SHIPPING & INSURANCE TURN AROUND TIME TWO WEEKS OR LESSIi UPSLJ ISA/MASTERCARD ACCEPTEDCOD Pea Patch/Shepherd Continued page 32 used form shape cowl Cut block inside dimensions sections AA B-B Epoxy B-B pattern side draw alignment lines foam properly position A-A pattern Glue A-A place shown picture Glue foam nose block A-A use 80- 100-grit sandpaper shape foam around patterns youre satisfied shape lay fiberglass cloth ever foam securing five-minute epoxy achieve snugness final one-hour epoxy used Youll need cut darts cloth good fit over form Try keep smooth possible avoid ex cessive sanding after epoxy applied Mix up batch Sig one-hour epoxy let soak fiberglass cloth using throwaway brush heat lamp hair dryer will speed up epoxy cure first coat dry knock off bumps rough spots coarse paper mix up apply second coat epoxy Sand 180-grit paper dry Use Sig glass beads epoxy Epoxilite have some handy fill low spots part smoothed satis faction cut away B-B hog out foam screwdriver Cut away A-A us ing Dremel-type tool router sand ing drum Glue F-lA front firewall along small hardwood blocks trial fit cowl trimming get flush fit fuselage sheeting Install en gine begin cutting away cowl fit over fit accurate screw cowl place Cut 2-in ring Lite Ply epoxy front cowl its centered engine shaft Glue rear block over stab sand shape Assemble tail wheel fittings epoxy tail wheel slot tail post Cevering finishing fuselage fin rudder covered Sig Koverall using nitrate dope wing stab/ele vator covered plastic film Dope brushed framework whereve covering contacted wood Stretc covering over fuselage th grain running crosswise lengthwise apply dope through covering t contact wood After tightening heat iron fabric given three coat nitrate clear Red Devil polyurethane almon shade gives original its cream cobs paint also sprayed th film holding up very well after mar flights black pinstriping A-i size Coverste Vinyl stick-on letterir office supply store used Pasture Pilots PPA logo t strictly tongue-in-cheek addition brought smile two seems amuse others notice logo w made Coverite Graphic Sheet thi painted old-timer cockpit ma Williams Bros 2%-in Sportsman simulate 1920s-style cap dabb baking soda small brush ad ed thin CyA repeating process until artful facsimile made bri piece A2 ply glued ti back cap rubberband used f elastic goggles After pinning windscreen place traced around its front ball-point pe carefully cut away covering #11 X-Acto knife leaving approximately /32 groove wood glued en Testors clear household c ment aluminum flange win screen made two strips Coven tape Which painted silver Frem initial inspiratien dna ing building stages finally relis ing its talents flier Ive received ma hours pleasure airplane Its realistic-looking model carries ne ism sky thats way enjo ing RC Pea Patch should satisfy Ha py touch-and-goes Radio Technique/Myers Continued page 36 can estimate current drawn ek tric motor dividing measured battery cap 150 Model Aviation
Edition: Model Aviation - 1990/09
Page Numbers: 24, 25, 26, 27, 28, 29, 30, 31, 32, 150
NO OCR TEXT NO OCR TEXT K rudder pushrod exit installation Kiett aileron fitting fairs niceiy fuse lage clean taii wheel steering system sure accuracy building panels Tracings can made formers glued wood spray contact cement peeled off after formers cut out Wing Pin A-in-sq stick place over plans used jig Pin another A-in-sq stick under bottom spar pin spar board Position ribs spar pin jig spar Position top A-in spar slide / x A-in trailing edge place slide x A-in rear spar through ribs Check panel yardstick Sig straightedge looks accurate apply thick CyA cyanoacrylate glue joints Glue x A-in leading edge piece ribs sand bevel con form rib shape Cover leading edge A6 sheet balsa Cut rear spar length Unpin pan el turn over pin back down jig rib Sand bevel lead ing edge install bottom sheeting Glue A6 verticals spars panel still pinned down Glue 3A6 tip pieces together stall center W-2 leading trailing edges Install braces spar extensions sheet tip Sand bevel edge x 3A -in balsa aileron spar pin plans Position ai leron ribs onto x 1-in trailing edge Pin assembly place over plans glue CyA Install glue A-in-sheet horn mount flush bot tom wing assembly draw straight line least 65 long workbench Place dihedral jig outboard W-2 position align spar mark bench line Put plastic wrap waxed paper under center section check fit spars leading trailing edges youre satisfied theyre square place shims under trailing edge pin panel down Install epoxy DR pieces spars SJ pieces rear spar Glue A-in-sq piece front edge trailing edge halves Sheet center sec tion wing still bench After sheeting remove wing stall aileron cranks mount Glue mounts cutouts W-3A ribs Con nect /16 music wire pushrods ai leron cranks Sheet bottom center sec tion Glue / x A-in leading edge cap place sand round Build stabilizer elevator rudder fin over plan Make elevator tie bar epoxy elevator halves together Fuselage Glue Lite Ply doublers A-in balsa sides together make right left assembly Take care dont assemble both sides same way balsa must outside piece Pin right side over plan fin ish building balsa sticks indi cated Cover glue joints top bottom right side strips waxed paper Position left side doubler assem Radio gear installation straightforward theres plenty room can see Futaba throttle rudder elevator ser vos on/off switch foam/ducttape-wrapped receiver ieft battery side-mountec tom wing Because opening side fuselage hatch unnecessary fake gas cap detailed plans fake left engine jug fashioned balsa painted aluminum exhaust stack 1/4-in dowel Pea Patch hand painted Sig Skybrite enamel Note clean flush fit cowl fuselage GRAD 3HEPItER K N N N % BALR RIB& - &IIEET PLi F1BERGLR& BLOCI K N C N RLR BPL ~MW SQ RCE TELL ME ABOUT TNI CRPiIi cnCOUR IN LPNDING CD 0JUET FIN I~dED CD WI CD CD / N N NN N 4QBRLAPRR WRT wEa Y8 ON BRP ~x}BALR N N N Q EL$R RM RL$R top center wing sheeting instaiied after joining operation complete Note traiiing edge has shimmed farther outboard allow installation top sheeting fuselage begins take shape Former F-2 F-3 have glued place com pleted sides pinned over waxed-paper-covered plan clothespin holds gether tall post triangle used ensure sides square tail post BA OUR S ROBE ERG NE HIkr II[I. DRILL OLE MA*ATORI lLSSHEEP SETS 2GTALL ITOITLE ROE OGLNt GLAOOEOLCTSEL______ P IGO PASSPLAP 2SSEELOPL-~ LA 53 BALSASIS 5E12 LAI PESALS*LSEE SECT PAL L bly ever right side Lite Ply isnt quite k youll need shim up left side till its flush outside edge A-in-sq longerons verticals Cardboard thin scrap ply good job Build up left side match right Remove assembly plan separate sides Sand bevels side tail post shown top view final assembly install former F-3 slots doubler pin down sides over top view Bring tail posts together clamp unit clothespin setting up 900 bench Install F-2 slots shimming un der sides location keep former place Epoxy formers doublers using blocks pinning firmly hold ward sides place doing Glue top bottom crosspieces Pin top formers aft F-3 temporarily place check see meet x A-in stringers Shift positions formers 28 Model Aviation LMUEB eoum F-S F-7 Full-Size Plans Available. See Page 196 F3 FB BLIPS PLY F-S F- A F-ZJ EMPLOTEEUPFAIE (rIPE PLYStilE PLY LOBWPB OOSOOEP OOOSOSOSO GBSIOOBOO3 0400005 F-S -STOPSIBIPSS ViKPMF-S FE FOB j --E-A-oosvPS010BST-l01 OdbSIBBP -005 ELEO 44(BOO _____--OSO0OOOBO00 OPP-00000 B T. -SOBOIMSIB OCT L0 OS CASIO SIBIBS 2140002 OOABOLE SSOS PLMO 52 ALL BBISOS0 6A4t B-S necessary glue place Glue hardwood block top F3B glue balsa scrap underneath Pin top stringers formers accurately posi tion before applying glue Mark off drill holes engine mount F-i firewall used 6-32 bolts through firewall epoxied back side lengths wire head slots Install firewall epoxy dou blers Install pushrod engine throttle point picture shows installa tion OS 40 Install Lite Ply mounting tank compartment vertical piece isolate throffle pushrod Install tank pack foam around Glue top doubler /8 x -in Lite Ply pieces slots F-i F-2 Glue A-in sheet top cabin section sheeting cut six pieces -in sheet balsa least 4 long three wide sheets A-grain balsa type balsa will curve easily MA1 ALL BALSA UNLESS NOTED Pei WI September 1990 29 F-The top bottom cross braces have glued place top farmers stringers secured Note small hardwood block epoxled F-3 used secure hatch fuel tank vertical ply section isolatIng tank throttle pushrod have installed doubled ply center brace place balsa cabin sheeting soaked wrapped rubberbanded around cans dry assume curved shapes cabin section begins take shape over wing Note %-ln strips pinned across wing will form base cabin structure Lite Ply plate glued across wing center trailing edge wiil serve reinforcement around wing rear hold-down bolt K Idkl NLSSSAO T/ 7--MT-i/1/SSTA TOP & BOTTOM WT2 MT-a -\ WINS TIP 3Il6BALSA TMEMCM 55 = Ii 1/16 SHEET TOP & BOTTOM -H--- 1- VERTICALS TYPICAL1/6SI CL ETT 1/BST FIRM BALS 0 SECTION 5-5 DIHEDRAL JIG T/6BALSAI2I SPAR LOCATER along its lengthor better said grain Soak pieces water wrap around coffee cans liberally secured rubberbands until theyre dry Glue A-in balsa side doublers A-in side stringers saddle strip /16 x A-in strip top longeron Epoxy Lite Ply WP cutouts ply doubler against F-3 Epoxy WPB reinforcements place Cut three lengths Sig maple engine mount stock size epoxy place per plans Position wing saddle sand away high spots saddle wing fits snugly fuselage Pin wing trailing edge squaring up tail post Drill down through wing ply plate WP maple block /16 drill Install short piece /16 dowel hole Drill front holes through ply plate maple block install second piece doweling Drill remaining hole After removing wing tap blocks -20 enlarge holes wing Bolt wing place lay plas 30 Model Aviation clear view throttle pushrod installation threaded link rod used keep stiff enough positive engine control Note engine-mount attachment screws epoxied backside firewall Also note lightening holes cut ply side doublers Full-Size Plans Available . See Page 196 T/IGLLi1214 --------~--GNIYSIflOSS/I -_OEM RIGHT EM WING EM MN HElL XSYVB E/LXT/I II EM = IIH II IILLI 1/8X1/21/IX 1/2 CAP TIIIIII I_____ 7-7 1/16MW1/16 PLY N2W252 6/ LEFT SING CEk4ER 9ET LI -_/2BA__Wi I ~6 sJ 1 1/4 SHEET STABILIZER 1/851/4 lOS 1/h 51/2 FSAG4E 4 I/4S7/8GALA -LEADING EDGE 1/4SQ2JIG 1/SUSSETS ITYP llBMALSAMAKEBF~RT22Z---6~ALS MAKES K K 1/6 LITE PLY -_- -W3—-~jyA-114 76ALSA-MAKE IS 1/tOALSA W MAKES PROM W-3s MAN 5MB PILL ER 1/BLITE PLY 2 l/LITE PLY 2 N I/SWINE YMRU TUBE 6 SOLDERED 1/4 BRASS TUBING ii LEVATOR 1/8X1/4 RIBS - ELEYT PIN PSINTITYP 1/551/2 Pea GOLDEN AGE SPORT MODEl 60 SPAN SLfl 120Z SOTO5BOST tic wrap over center section Pin A-in cabin strips formers place Referring pictures pin straight strips top center fuselage fore aft aligners cabin formers youre satisfied formers will fair rest fuselage glue cabin strips glue / x A-in strips top Remove A-in sheet pieces coffee cans begin fitting cabin formers takes some trying marking get good fit over wing little patience helps Using pattern cockpit mark cut out opening sand cabin sheeting fits well rest fuselage Carve headrest block glue place Glue % x 1-in ply holddown front cabin section after cutting out balsa sheet sheeting over tank accept Drill holes 440 tap forward part hold-down shown plan plan use gas cap hold-down fashion according method shown drawing OtherSeptember 1990 31 c cabin top sheeting being applied Note plastic wrap separating structure fuselage wing sheeting glued formers trimmed back half thickness former center sheeting can glued exposed half Left cockpit sheeting place opening has rough trimmed Small pieces ot balsa will cut visible gaps Right rear wing mounting plate has glued recesses doublers forward Sig maple hold-down blocks drilled tapped epoxied place Note forward cabin mount recessed achieve flush cabin tab fit Also note braced landing gear mount wise substitute own favorite method securing hatch Glue A-in dowel headrest shown drill tap 4-40 hold-down screw Cut Sig landing gear blocks length epoxy place together gear block reinforcements Refer section drawing bottom sheeting glue sheeting place per plan Bend Template B-B has glued foam block begin cowl construction Center thrust lines have scored B-B foam block Template A-A has also marked epoxied foam block landing gear wires clamp blocks Build removable section un der landing gear same way bot tom sheeting attached secure wood screws landing gear blocks Glue bottom stringers A-in facing attach covering Install servo mounting pieces suitable equip ment youre using Install pushrods foam nose piece has glued A-A entire cowl plug has sanded its correct shape Notice has shaped blend smoothly contours templates A-A B-B circle roughly marks spinner ring position elevator rudder Sullivan Gold-n-Rods used prototype Fabricating cowl relatively easy using two templates shown plan Foam blocks available craft store craft department variety store Continued page 150 Two views finished airplane its bare bones its almost too pretty cover once covered itll prettier fly much better perfectly flush-fitting cowl may take little effort make its really worth its appearance strength light weight 32 Model Aviation Fiberglass cloth being fitted over f Ished foam plug cloth used quite heavy Make dart cuts around cheeks slight overlap Use Sig Kwik Set 5-minute epoxy equivalent prod uct Keep overlaps smooth possi ble avoid lot sanding filling later Mere Fun less Funds ving pan62/2 inches Wing Area770 square inches Engine Size 10 cc 90 120 four stroke Designed AMA FAI Turn-around pattern Foam wing stab 3-32 Balsa sheet covering Tricycle conven lional gear fixed retracts Rear side exhaust fiber glass canopy Very positive maneuverable XLT SPECIFICA Wing Span65 inches Length65 inches Wing Area845 square inches Recommended Engine Size 10 cc 90 120 four stroke XLT designed tuned pipe re tract landing gears Capable AMA Turn-around pattern Rear side ex haust SPECIFICATIONS Wing Span Wing Area Engine Size 63Y4 inches 700 square inches 50-60 Glow 90 four stroke fun sport pattern turn-around can done Utter Chaos completely built up Balsa construction Canopy engine mount included years proven flying reliablity BRIDI AIRCRAFT DESIGNS INC 23625 Pineforest Lane Harbor City California 90710 213 549-8264 213 326-5013 SEE YOUR FAVORITE HOBBY SHOP OR RETAIL OUTLETW Dealer Inqurles Invited D&J ELECTRONICS 900 Lucy Road ll Ml 48843 546-2644 service makes RIO equipment utilizing state art electronics Spectrum Analyzer Precision Frequency Measuring equipment True 1991 Standards endorsed AMA & ROMA Transmitter Slicker Program FCC LicensedSpeed Central RepairsQuality Service Transmitter Checks Only includes GOLD/SILVER slicker$400 Transmitter & Receiver Calibration$2400 Frequency Upgrades & Changes crystals extra$2900 Bench Time Repairs per hour$2500 Transmitters service will receive AMA/RCMA sticker ADD $500 FOR SHIPPING & INSURANCE TURN AROUND TIME TWO WEEKS OR LESSIi UPSLJ ISA/MASTERCARD ACCEPTEDCOD Pea Patch/Shepherd Continued page 32 used form shape cowl Cut block inside dimensions sections AA B-B Epoxy B-B pattern side draw alignment lines foam properly position A-A pattern Glue A-A place shown picture Glue foam nose block A-A use 80- 100-grit sandpaper shape foam around patterns youre satisfied shape lay fiberglass cloth ever foam securing five-minute epoxy achieve snugness final one-hour epoxy used Youll need cut darts cloth good fit over form Try keep smooth possible avoid ex cessive sanding after epoxy applied Mix up batch Sig one-hour epoxy let soak fiberglass cloth using throwaway brush heat lamp hair dryer will speed up epoxy cure first coat dry knock off bumps rough spots coarse paper mix up apply second coat epoxy Sand 180-grit paper dry Use Sig glass beads epoxy Epoxilite have some handy fill low spots part smoothed satis faction cut away B-B hog out foam screwdriver Cut away A-A us ing Dremel-type tool router sand ing drum Glue F-lA front firewall along small hardwood blocks trial fit cowl trimming get flush fit fuselage sheeting Install en gine begin cutting away cowl fit over fit accurate screw cowl place Cut 2-in ring Lite Ply epoxy front cowl its centered engine shaft Glue rear block over stab sand shape Assemble tail wheel fittings epoxy tail wheel slot tail post Cevering finishing fuselage fin rudder covered Sig Koverall using nitrate dope wing stab/ele vator covered plastic film Dope brushed framework whereve covering contacted wood Stretc covering over fuselage th grain running crosswise lengthwise apply dope through covering t contact wood After tightening heat iron fabric given three coat nitrate clear Red Devil polyurethane almon shade gives original its cream cobs paint also sprayed th film holding up very well after mar flights black pinstriping A-i size Coverste Vinyl stick-on letterir office supply store used Pasture Pilots PPA logo t strictly tongue-in-cheek addition brought smile two seems amuse others notice logo w made Coverite Graphic Sheet thi painted old-timer cockpit ma Williams Bros 2%-in Sportsman simulate 1920s-style cap dabb baking soda small brush ad ed thin CyA repeating process until artful facsimile made bri piece A2 ply glued ti back cap rubberband used f elastic goggles After pinning windscreen place traced around its front ball-point pe carefully cut away covering #11 X-Acto knife leaving approximately /32 groove wood glued en Testors clear household c ment aluminum flange win screen made two strips Coven tape Which painted silver Frem initial inspiratien dna ing building stages finally relis ing its talents flier Ive received ma hours pleasure airplane Its realistic-looking model carries ne ism sky thats way enjo ing RC Pea Patch should satisfy Ha py touch-and-goes Radio Technique/Myers Continued page 36 can estimate current drawn ek tric motor dividing measured battery cap 150 Model Aviation
Edition: Model Aviation - 1990/09
Page Numbers: 24, 25, 26, 27, 28, 29, 30, 31, 32, 150
NO OCR TEXT NO OCR TEXT K rudder pushrod exit installation Kiett aileron fitting fairs niceiy fuse lage clean taii wheel steering system sure accuracy building panels Tracings can made formers glued wood spray contact cement peeled off after formers cut out Wing Pin A-in-sq stick place over plans used jig Pin another A-in-sq stick under bottom spar pin spar board Position ribs spar pin jig spar Position top A-in spar slide / x A-in trailing edge place slide x A-in rear spar through ribs Check panel yardstick Sig straightedge looks accurate apply thick CyA cyanoacrylate glue joints Glue x A-in leading edge piece ribs sand bevel con form rib shape Cover leading edge A6 sheet balsa Cut rear spar length Unpin pan el turn over pin back down jig rib Sand bevel lead ing edge install bottom sheeting Glue A6 verticals spars panel still pinned down Glue 3A6 tip pieces together stall center W-2 leading trailing edges Install braces spar extensions sheet tip Sand bevel edge x 3A -in balsa aileron spar pin plans Position ai leron ribs onto x 1-in trailing edge Pin assembly place over plans glue CyA Install glue A-in-sheet horn mount flush bot tom wing assembly draw straight line least 65 long workbench Place dihedral jig outboard W-2 position align spar mark bench line Put plastic wrap waxed paper under center section check fit spars leading trailing edges youre satisfied theyre square place shims under trailing edge pin panel down Install epoxy DR pieces spars SJ pieces rear spar Glue A-in-sq piece front edge trailing edge halves Sheet center sec tion wing still bench After sheeting remove wing stall aileron cranks mount Glue mounts cutouts W-3A ribs Con nect /16 music wire pushrods ai leron cranks Sheet bottom center sec tion Glue / x A-in leading edge cap place sand round Build stabilizer elevator rudder fin over plan Make elevator tie bar epoxy elevator halves together Fuselage Glue Lite Ply doublers A-in balsa sides together make right left assembly Take care dont assemble both sides same way balsa must outside piece Pin right side over plan fin ish building balsa sticks indi cated Cover glue joints top bottom right side strips waxed paper Position left side doubler assem Radio gear installation straightforward theres plenty room can see Futaba throttle rudder elevator ser vos on/off switch foam/ducttape-wrapped receiver ieft battery side-mountec tom wing Because opening side fuselage hatch unnecessary fake gas cap detailed plans fake left engine jug fashioned balsa painted aluminum exhaust stack 1/4-in dowel Pea Patch hand painted Sig Skybrite enamel Note clean flush fit cowl fuselage GRAD 3HEPItER K N N N % BALR RIB& - &IIEET PLi F1BERGLR& BLOCI K N C N RLR BPL ~MW SQ RCE TELL ME ABOUT TNI CRPiIi cnCOUR IN LPNDING CD 0JUET FIN I~dED CD WI CD CD / N N NN N 4QBRLAPRR WRT wEa Y8 ON BRP ~x}BALR N N N Q EL$R RM RL$R top center wing sheeting instaiied after joining operation complete Note traiiing edge has shimmed farther outboard allow installation top sheeting fuselage begins take shape Former F-2 F-3 have glued place com pleted sides pinned over waxed-paper-covered plan clothespin holds gether tall post triangle used ensure sides square tail post BA OUR S ROBE ERG NE HIkr II[I. DRILL OLE MA*ATORI lLSSHEEP SETS 2GTALL ITOITLE ROE OGLNt GLAOOEOLCTSEL______ P IGO PASSPLAP 2SSEELOPL-~ LA 53 BALSASIS 5E12 LAI PESALS*LSEE SECT PAL L bly ever right side Lite Ply isnt quite k youll need shim up left side till its flush outside edge A-in-sq longerons verticals Cardboard thin scrap ply good job Build up left side match right Remove assembly plan separate sides Sand bevels side tail post shown top view final assembly install former F-3 slots doubler pin down sides over top view Bring tail posts together clamp unit clothespin setting up 900 bench Install F-2 slots shimming un der sides location keep former place Epoxy formers doublers using blocks pinning firmly hold ward sides place doing Glue top bottom crosspieces Pin top formers aft F-3 temporarily place check see meet x A-in stringers Shift positions formers 28 Model Aviation LMUEB eoum F-S F-7 Full-Size Plans Available. See Page 196 F3 FB BLIPS PLY F-S F- A F-ZJ EMPLOTEEUPFAIE (rIPE PLYStilE PLY LOBWPB OOSOOEP OOOSOSOSO GBSIOOBOO3 0400005 F-S -STOPSIBIPSS ViKPMF-S FE FOB j --E-A-oosvPS010BST-l01 OdbSIBBP -005 ELEO 44(BOO _____--OSO0OOOBO00 OPP-00000 B T. -SOBOIMSIB OCT L0 OS CASIO SIBIBS 2140002 OOABOLE SSOS PLMO 52 ALL BBISOS0 6A4t B-S necessary glue place Glue hardwood block top F3B glue balsa scrap underneath Pin top stringers formers accurately posi tion before applying glue Mark off drill holes engine mount F-i firewall used 6-32 bolts through firewall epoxied back side lengths wire head slots Install firewall epoxy dou blers Install pushrod engine throttle point picture shows installa tion OS 40 Install Lite Ply mounting tank compartment vertical piece isolate throffle pushrod Install tank pack foam around Glue top doubler /8 x -in Lite Ply pieces slots F-i F-2 Glue A-in sheet top cabin section sheeting cut six pieces -in sheet balsa least 4 long three wide sheets A-grain balsa type balsa will curve easily MA1 ALL BALSA UNLESS NOTED Pei WI September 1990 29 F-The top bottom cross braces have glued place top farmers stringers secured Note small hardwood block epoxled F-3 used secure hatch fuel tank vertical ply section isolatIng tank throttle pushrod have installed doubled ply center brace place balsa cabin sheeting soaked wrapped rubberbanded around cans dry assume curved shapes cabin section begins take shape over wing Note %-ln strips pinned across wing will form base cabin structure Lite Ply plate glued across wing center trailing edge wiil serve reinforcement around wing rear hold-down bolt K Idkl NLSSSAO T/ 7--MT-i/1/SSTA TOP & BOTTOM WT2 MT-a -\ WINS TIP 3Il6BALSA TMEMCM 55 = Ii 1/16 SHEET TOP & BOTTOM -H--- 1- VERTICALS TYPICAL1/6SI CL ETT 1/BST FIRM BALS 0 SECTION 5-5 DIHEDRAL JIG T/6BALSAI2I SPAR LOCATER along its lengthor better said grain Soak pieces water wrap around coffee cans liberally secured rubberbands until theyre dry Glue A-in balsa side doublers A-in side stringers saddle strip /16 x A-in strip top longeron Epoxy Lite Ply WP cutouts ply doubler against F-3 Epoxy WPB reinforcements place Cut three lengths Sig maple engine mount stock size epoxy place per plans Position wing saddle sand away high spots saddle wing fits snugly fuselage Pin wing trailing edge squaring up tail post Drill down through wing ply plate WP maple block /16 drill Install short piece /16 dowel hole Drill front holes through ply plate maple block install second piece doweling Drill remaining hole After removing wing tap blocks -20 enlarge holes wing Bolt wing place lay plas 30 Model Aviation clear view throttle pushrod installation threaded link rod used keep stiff enough positive engine control Note engine-mount attachment screws epoxied backside firewall Also note lightening holes cut ply side doublers Full-Size Plans Available . See Page 196 T/IGLLi1214 --------~--GNIYSIflOSS/I -_OEM RIGHT EM WING EM MN HElL XSYVB E/LXT/I II EM = IIH II IILLI 1/8X1/21/IX 1/2 CAP TIIIIII I_____ 7-7 1/16MW1/16 PLY N2W252 6/ LEFT SING CEk4ER 9ET LI -_/2BA__Wi I ~6 sJ 1 1/4 SHEET STABILIZER 1/851/4 lOS 1/h 51/2 FSAG4E 4 I/4S7/8GALA -LEADING EDGE 1/4SQ2JIG 1/SUSSETS ITYP llBMALSAMAKEBF~RT22Z---6~ALS MAKES K K 1/6 LITE PLY -_- -W3—-~jyA-114 76ALSA-MAKE IS 1/tOALSA W MAKES PROM W-3s MAN 5MB PILL ER 1/BLITE PLY 2 l/LITE PLY 2 N I/SWINE YMRU TUBE 6 SOLDERED 1/4 BRASS TUBING ii LEVATOR 1/8X1/4 RIBS - ELEYT PIN PSINTITYP 1/551/2 Pea GOLDEN AGE SPORT MODEl 60 SPAN SLfl 120Z SOTO5BOST tic wrap over center section Pin A-in cabin strips formers place Referring pictures pin straight strips top center fuselage fore aft aligners cabin formers youre satisfied formers will fair rest fuselage glue cabin strips glue / x A-in strips top Remove A-in sheet pieces coffee cans begin fitting cabin formers takes some trying marking get good fit over wing little patience helps Using pattern cockpit mark cut out opening sand cabin sheeting fits well rest fuselage Carve headrest block glue place Glue % x 1-in ply holddown front cabin section after cutting out balsa sheet sheeting over tank accept Drill holes 440 tap forward part hold-down shown plan plan use gas cap hold-down fashion according method shown drawing OtherSeptember 1990 31 c cabin top sheeting being applied Note plastic wrap separating structure fuselage wing sheeting glued formers trimmed back half thickness former center sheeting can glued exposed half Left cockpit sheeting place opening has rough trimmed Small pieces ot balsa will cut visible gaps Right rear wing mounting plate has glued recesses doublers forward Sig maple hold-down blocks drilled tapped epoxied place Note forward cabin mount recessed achieve flush cabin tab fit Also note braced landing gear mount wise substitute own favorite method securing hatch Glue A-in dowel headrest shown drill tap 4-40 hold-down screw Cut Sig landing gear blocks length epoxy place together gear block reinforcements Refer section drawing bottom sheeting glue sheeting place per plan Bend Template B-B has glued foam block begin cowl construction Center thrust lines have scored B-B foam block Template A-A has also marked epoxied foam block landing gear wires clamp blocks Build removable section un der landing gear same way bot tom sheeting attached secure wood screws landing gear blocks Glue bottom stringers A-in facing attach covering Install servo mounting pieces suitable equip ment youre using Install pushrods foam nose piece has glued A-A entire cowl plug has sanded its correct shape Notice has shaped blend smoothly contours templates A-A B-B circle roughly marks spinner ring position elevator rudder Sullivan Gold-n-Rods used prototype Fabricating cowl relatively easy using two templates shown plan Foam blocks available craft store craft department variety store Continued page 150 Two views finished airplane its bare bones its almost too pretty cover once covered itll prettier fly much better perfectly flush-fitting cowl may take little effort make its really worth its appearance strength light weight 32 Model Aviation Fiberglass cloth being fitted over f Ished foam plug cloth used quite heavy Make dart cuts around cheeks slight overlap Use Sig Kwik Set 5-minute epoxy equivalent prod uct Keep overlaps smooth possi ble avoid lot sanding filling later Mere Fun less Funds ving pan62/2 inches Wing Area770 square inches Engine Size 10 cc 90 120 four stroke Designed AMA FAI Turn-around pattern Foam wing stab 3-32 Balsa sheet covering Tricycle conven lional gear fixed retracts Rear side exhaust fiber glass canopy Very positive maneuverable XLT SPECIFICA Wing Span65 inches Length65 inches Wing Area845 square inches Recommended Engine Size 10 cc 90 120 four stroke XLT designed tuned pipe re tract landing gears Capable AMA Turn-around pattern Rear side ex haust SPECIFICATIONS Wing Span Wing Area Engine Size 63Y4 inches 700 square inches 50-60 Glow 90 four stroke fun sport pattern turn-around can done Utter Chaos completely built up Balsa construction Canopy engine mount included years proven flying reliablity BRIDI AIRCRAFT DESIGNS INC 23625 Pineforest Lane Harbor City California 90710 213 549-8264 213 326-5013 SEE YOUR FAVORITE HOBBY SHOP OR RETAIL OUTLETW Dealer Inqurles Invited D&J ELECTRONICS 900 Lucy Road ll Ml 48843 546-2644 service makes RIO equipment utilizing state art electronics Spectrum Analyzer Precision Frequency Measuring equipment True 1991 Standards endorsed AMA & ROMA Transmitter Slicker Program FCC LicensedSpeed Central RepairsQuality Service Transmitter Checks Only includes GOLD/SILVER slicker$400 Transmitter & Receiver Calibration$2400 Frequency Upgrades & Changes crystals extra$2900 Bench Time Repairs per hour$2500 Transmitters service will receive AMA/RCMA sticker ADD $500 FOR SHIPPING & INSURANCE TURN AROUND TIME TWO WEEKS OR LESSIi UPSLJ ISA/MASTERCARD ACCEPTEDCOD Pea Patch/Shepherd Continued page 32 used form shape cowl Cut block inside dimensions sections AA B-B Epoxy B-B pattern side draw alignment lines foam properly position A-A pattern Glue A-A place shown picture Glue foam nose block A-A use 80- 100-grit sandpaper shape foam around patterns youre satisfied shape lay fiberglass cloth ever foam securing five-minute epoxy achieve snugness final one-hour epoxy used Youll need cut darts cloth good fit over form Try keep smooth possible avoid ex cessive sanding after epoxy applied Mix up batch Sig one-hour epoxy let soak fiberglass cloth using throwaway brush heat lamp hair dryer will speed up epoxy cure first coat dry knock off bumps rough spots coarse paper mix up apply second coat epoxy Sand 180-grit paper dry Use Sig glass beads epoxy Epoxilite have some handy fill low spots part smoothed satis faction cut away B-B hog out foam screwdriver Cut away A-A us ing Dremel-type tool router sand ing drum Glue F-lA front firewall along small hardwood blocks trial fit cowl trimming get flush fit fuselage sheeting Install en gine begin cutting away cowl fit over fit accurate screw cowl place Cut 2-in ring Lite Ply epoxy front cowl its centered engine shaft Glue rear block over stab sand shape Assemble tail wheel fittings epoxy tail wheel slot tail post Cevering finishing fuselage fin rudder covered Sig Koverall using nitrate dope wing stab/ele vator covered plastic film Dope brushed framework whereve covering contacted wood Stretc covering over fuselage th grain running crosswise lengthwise apply dope through covering t contact wood After tightening heat iron fabric given three coat nitrate clear Red Devil polyurethane almon shade gives original its cream cobs paint also sprayed th film holding up very well after mar flights black pinstriping A-i size Coverste Vinyl stick-on letterir office supply store used Pasture Pilots PPA logo t strictly tongue-in-cheek addition brought smile two seems amuse others notice logo w made Coverite Graphic Sheet thi painted old-timer cockpit ma Williams Bros 2%-in Sportsman simulate 1920s-style cap dabb baking soda small brush ad ed thin CyA repeating process until artful facsimile made bri piece A2 ply glued ti back cap rubberband used f elastic goggles After pinning windscreen place traced around its front ball-point pe carefully cut away covering #11 X-Acto knife leaving approximately /32 groove wood glued en Testors clear household c ment aluminum flange win screen made two strips Coven tape Which painted silver Frem initial inspiratien dna ing building stages finally relis ing its talents flier Ive received ma hours pleasure airplane Its realistic-looking model carries ne ism sky thats way enjo ing RC Pea Patch should satisfy Ha py touch-and-goes Radio Technique/Myers Continued page 36 can estimate current drawn ek tric motor dividing measured battery cap 150 Model Aviation
Edition: Model Aviation - 1990/09
Page Numbers: 24, 25, 26, 27, 28, 29, 30, 31, 32, 150
NO OCR TEXT NO OCR TEXT K rudder pushrod exit installation Kiett aileron fitting fairs niceiy fuse lage clean taii wheel steering system sure accuracy building panels Tracings can made formers glued wood spray contact cement peeled off after formers cut out Wing Pin A-in-sq stick place over plans used jig Pin another A-in-sq stick under bottom spar pin spar board Position ribs spar pin jig spar Position top A-in spar slide / x A-in trailing edge place slide x A-in rear spar through ribs Check panel yardstick Sig straightedge looks accurate apply thick CyA cyanoacrylate glue joints Glue x A-in leading edge piece ribs sand bevel con form rib shape Cover leading edge A6 sheet balsa Cut rear spar length Unpin pan el turn over pin back down jig rib Sand bevel lead ing edge install bottom sheeting Glue A6 verticals spars panel still pinned down Glue 3A6 tip pieces together stall center W-2 leading trailing edges Install braces spar extensions sheet tip Sand bevel edge x 3A -in balsa aileron spar pin plans Position ai leron ribs onto x 1-in trailing edge Pin assembly place over plans glue CyA Install glue A-in-sheet horn mount flush bot tom wing assembly draw straight line least 65 long workbench Place dihedral jig outboard W-2 position align spar mark bench line Put plastic wrap waxed paper under center section check fit spars leading trailing edges youre satisfied theyre square place shims under trailing edge pin panel down Install epoxy DR pieces spars SJ pieces rear spar Glue A-in-sq piece front edge trailing edge halves Sheet center sec tion wing still bench After sheeting remove wing stall aileron cranks mount Glue mounts cutouts W-3A ribs Con nect /16 music wire pushrods ai leron cranks Sheet bottom center sec tion Glue / x A-in leading edge cap place sand round Build stabilizer elevator rudder fin over plan Make elevator tie bar epoxy elevator halves together Fuselage Glue Lite Ply doublers A-in balsa sides together make right left assembly Take care dont assemble both sides same way balsa must outside piece Pin right side over plan fin ish building balsa sticks indi cated Cover glue joints top bottom right side strips waxed paper Position left side doubler assem Radio gear installation straightforward theres plenty room can see Futaba throttle rudder elevator ser vos on/off switch foam/ducttape-wrapped receiver ieft battery side-mountec tom wing Because opening side fuselage hatch unnecessary fake gas cap detailed plans fake left engine jug fashioned balsa painted aluminum exhaust stack 1/4-in dowel Pea Patch hand painted Sig Skybrite enamel Note clean flush fit cowl fuselage GRAD 3HEPItER K N N N % BALR RIB& - &IIEET PLi F1BERGLR& BLOCI K N C N RLR BPL ~MW SQ RCE TELL ME ABOUT TNI CRPiIi cnCOUR IN LPNDING CD 0JUET FIN I~dED CD WI CD CD / N N NN N 4QBRLAPRR WRT wEa Y8 ON BRP ~x}BALR N N N Q EL$R RM RL$R top center wing sheeting instaiied after joining operation complete Note traiiing edge has shimmed farther outboard allow installation top sheeting fuselage begins take shape Former F-2 F-3 have glued place com pleted sides pinned over waxed-paper-covered plan clothespin holds gether tall post triangle used ensure sides square tail post BA OUR S ROBE ERG NE HIkr II[I. DRILL OLE MA*ATORI lLSSHEEP SETS 2GTALL ITOITLE ROE OGLNt GLAOOEOLCTSEL______ P IGO PASSPLAP 2SSEELOPL-~ LA 53 BALSASIS 5E12 LAI PESALS*LSEE SECT PAL L bly ever right side Lite Ply isnt quite k youll need shim up left side till its flush outside edge A-in-sq longerons verticals Cardboard thin scrap ply good job Build up left side match right Remove assembly plan separate sides Sand bevels side tail post shown top view final assembly install former F-3 slots doubler pin down sides over top view Bring tail posts together clamp unit clothespin setting up 900 bench Install F-2 slots shimming un der sides location keep former place Epoxy formers doublers using blocks pinning firmly hold ward sides place doing Glue top bottom crosspieces Pin top formers aft F-3 temporarily place check see meet x A-in stringers Shift positions formers 28 Model Aviation LMUEB eoum F-S F-7 Full-Size Plans Available. See Page 196 F3 FB BLIPS PLY F-S F- A F-ZJ EMPLOTEEUPFAIE (rIPE PLYStilE PLY LOBWPB OOSOOEP OOOSOSOSO GBSIOOBOO3 0400005 F-S -STOPSIBIPSS ViKPMF-S FE FOB j --E-A-oosvPS010BST-l01 OdbSIBBP -005 ELEO 44(BOO _____--OSO0OOOBO00 OPP-00000 B T. -SOBOIMSIB OCT L0 OS CASIO SIBIBS 2140002 OOABOLE SSOS PLMO 52 ALL BBISOS0 6A4t B-S necessary glue place Glue hardwood block top F3B glue balsa scrap underneath Pin top stringers formers accurately posi tion before applying glue Mark off drill holes engine mount F-i firewall used 6-32 bolts through firewall epoxied back side lengths wire head slots Install firewall epoxy dou blers Install pushrod engine throttle point picture shows installa tion OS 40 Install Lite Ply mounting tank compartment vertical piece isolate throffle pushrod Install tank pack foam around Glue top doubler /8 x -in Lite Ply pieces slots F-i F-2 Glue A-in sheet top cabin section sheeting cut six pieces -in sheet balsa least 4 long three wide sheets A-grain balsa type balsa will curve easily MA1 ALL BALSA UNLESS NOTED Pei WI September 1990 29 F-The top bottom cross braces have glued place top farmers stringers secured Note small hardwood block epoxled F-3 used secure hatch fuel tank vertical ply section isolatIng tank throttle pushrod have installed doubled ply center brace place balsa cabin sheeting soaked wrapped rubberbanded around cans dry assume curved shapes cabin section begins take shape over wing Note %-ln strips pinned across wing will form base cabin structure Lite Ply plate glued across wing center trailing edge wiil serve reinforcement around wing rear hold-down bolt K Idkl NLSSSAO T/ 7--MT-i/1/SSTA TOP & BOTTOM WT2 MT-a -\ WINS TIP 3Il6BALSA TMEMCM 55 = Ii 1/16 SHEET TOP & BOTTOM -H--- 1- VERTICALS TYPICAL1/6SI CL ETT 1/BST FIRM BALS 0 SECTION 5-5 DIHEDRAL JIG T/6BALSAI2I SPAR LOCATER along its lengthor better said grain Soak pieces water wrap around coffee cans liberally secured rubberbands until theyre dry Glue A-in balsa side doublers A-in side stringers saddle strip /16 x A-in strip top longeron Epoxy Lite Ply WP cutouts ply doubler against F-3 Epoxy WPB reinforcements place Cut three lengths Sig maple engine mount stock size epoxy place per plans Position wing saddle sand away high spots saddle wing fits snugly fuselage Pin wing trailing edge squaring up tail post Drill down through wing ply plate WP maple block /16 drill Install short piece /16 dowel hole Drill front holes through ply plate maple block install second piece doweling Drill remaining hole After removing wing tap blocks -20 enlarge holes wing Bolt wing place lay plas 30 Model Aviation clear view throttle pushrod installation threaded link rod used keep stiff enough positive engine control Note engine-mount attachment screws epoxied backside firewall Also note lightening holes cut ply side doublers Full-Size Plans Available . See Page 196 T/IGLLi1214 --------~--GNIYSIflOSS/I -_OEM RIGHT EM WING EM MN HElL XSYVB E/LXT/I II EM = IIH II IILLI 1/8X1/21/IX 1/2 CAP TIIIIII I_____ 7-7 1/16MW1/16 PLY N2W252 6/ LEFT SING CEk4ER 9ET LI -_/2BA__Wi I ~6 sJ 1 1/4 SHEET STABILIZER 1/851/4 lOS 1/h 51/2 FSAG4E 4 I/4S7/8GALA -LEADING EDGE 1/4SQ2JIG 1/SUSSETS ITYP llBMALSAMAKEBF~RT22Z---6~ALS MAKES K K 1/6 LITE PLY -_- -W3—-~jyA-114 76ALSA-MAKE IS 1/tOALSA W MAKES PROM W-3s MAN 5MB PILL ER 1/BLITE PLY 2 l/LITE PLY 2 N I/SWINE YMRU TUBE 6 SOLDERED 1/4 BRASS TUBING ii LEVATOR 1/8X1/4 RIBS - ELEYT PIN PSINTITYP 1/551/2 Pea GOLDEN AGE SPORT MODEl 60 SPAN SLfl 120Z SOTO5BOST tic wrap over center section Pin A-in cabin strips formers place Referring pictures pin straight strips top center fuselage fore aft aligners cabin formers youre satisfied formers will fair rest fuselage glue cabin strips glue / x A-in strips top Remove A-in sheet pieces coffee cans begin fitting cabin formers takes some trying marking get good fit over wing little patience helps Using pattern cockpit mark cut out opening sand cabin sheeting fits well rest fuselage Carve headrest block glue place Glue % x 1-in ply holddown front cabin section after cutting out balsa sheet sheeting over tank accept Drill holes 440 tap forward part hold-down shown plan plan use gas cap hold-down fashion according method shown drawing OtherSeptember 1990 31 c cabin top sheeting being applied Note plastic wrap separating structure fuselage wing sheeting glued formers trimmed back half thickness former center sheeting can glued exposed half Left cockpit sheeting place opening has rough trimmed Small pieces ot balsa will cut visible gaps Right rear wing mounting plate has glued recesses doublers forward Sig maple hold-down blocks drilled tapped epoxied place Note forward cabin mount recessed achieve flush cabin tab fit Also note braced landing gear mount wise substitute own favorite method securing hatch Glue A-in dowel headrest shown drill tap 4-40 hold-down screw Cut Sig landing gear blocks length epoxy place together gear block reinforcements Refer section drawing bottom sheeting glue sheeting place per plan Bend Template B-B has glued foam block begin cowl construction Center thrust lines have scored B-B foam block Template A-A has also marked epoxied foam block landing gear wires clamp blocks Build removable section un der landing gear same way bot tom sheeting attached secure wood screws landing gear blocks Glue bottom stringers A-in facing attach covering Install servo mounting pieces suitable equip ment youre using Install pushrods foam nose piece has glued A-A entire cowl plug has sanded its correct shape Notice has shaped blend smoothly contours templates A-A B-B circle roughly marks spinner ring position elevator rudder Sullivan Gold-n-Rods used prototype Fabricating cowl relatively easy using two templates shown plan Foam blocks available craft store craft department variety store Continued page 150 Two views finished airplane its bare bones its almost too pretty cover once covered itll prettier fly much better perfectly flush-fitting cowl may take little effort make its really worth its appearance strength light weight 32 Model Aviation Fiberglass cloth being fitted over f Ished foam plug cloth used quite heavy Make dart cuts around cheeks slight overlap Use Sig Kwik Set 5-minute epoxy equivalent prod uct Keep overlaps smooth possi ble avoid lot sanding filling later Mere Fun less Funds ving pan62/2 inches Wing Area770 square inches Engine Size 10 cc 90 120 four stroke Designed AMA FAI Turn-around pattern Foam wing stab 3-32 Balsa sheet covering Tricycle conven lional gear fixed retracts Rear side exhaust fiber glass canopy Very positive maneuverable XLT SPECIFICA Wing Span65 inches Length65 inches Wing Area845 square inches Recommended Engine Size 10 cc 90 120 four stroke XLT designed tuned pipe re tract landing gears Capable AMA Turn-around pattern Rear side ex haust SPECIFICATIONS Wing Span Wing Area Engine Size 63Y4 inches 700 square inches 50-60 Glow 90 four stroke fun sport pattern turn-around can done Utter Chaos completely built up Balsa construction Canopy engine mount included years proven flying reliablity BRIDI AIRCRAFT DESIGNS INC 23625 Pineforest Lane Harbor City California 90710 213 549-8264 213 326-5013 SEE YOUR FAVORITE HOBBY SHOP OR RETAIL OUTLETW Dealer Inqurles Invited D&J ELECTRONICS 900 Lucy Road ll Ml 48843 546-2644 service makes RIO equipment utilizing state art electronics Spectrum Analyzer Precision Frequency Measuring equipment True 1991 Standards endorsed AMA & ROMA Transmitter Slicker Program FCC LicensedSpeed Central RepairsQuality Service Transmitter Checks Only includes GOLD/SILVER slicker$400 Transmitter & Receiver Calibration$2400 Frequency Upgrades & Changes crystals extra$2900 Bench Time Repairs per hour$2500 Transmitters service will receive AMA/RCMA sticker ADD $500 FOR SHIPPING & INSURANCE TURN AROUND TIME TWO WEEKS OR LESSIi UPSLJ ISA/MASTERCARD ACCEPTEDCOD Pea Patch/Shepherd Continued page 32 used form shape cowl Cut block inside dimensions sections AA B-B Epoxy B-B pattern side draw alignment lines foam properly position A-A pattern Glue A-A place shown picture Glue foam nose block A-A use 80- 100-grit sandpaper shape foam around patterns youre satisfied shape lay fiberglass cloth ever foam securing five-minute epoxy achieve snugness final one-hour epoxy used Youll need cut darts cloth good fit over form Try keep smooth possible avoid ex cessive sanding after epoxy applied Mix up batch Sig one-hour epoxy let soak fiberglass cloth using throwaway brush heat lamp hair dryer will speed up epoxy cure first coat dry knock off bumps rough spots coarse paper mix up apply second coat epoxy Sand 180-grit paper dry Use Sig glass beads epoxy Epoxilite have some handy fill low spots part smoothed satis faction cut away B-B hog out foam screwdriver Cut away A-A us ing Dremel-type tool router sand ing drum Glue F-lA front firewall along small hardwood blocks trial fit cowl trimming get flush fit fuselage sheeting Install en gine begin cutting away cowl fit over fit accurate screw cowl place Cut 2-in ring Lite Ply epoxy front cowl its centered engine shaft Glue rear block over stab sand shape Assemble tail wheel fittings epoxy tail wheel slot tail post Cevering finishing fuselage fin rudder covered Sig Koverall using nitrate dope wing stab/ele vator covered plastic film Dope brushed framework whereve covering contacted wood Stretc covering over fuselage th grain running crosswise lengthwise apply dope through covering t contact wood After tightening heat iron fabric given three coat nitrate clear Red Devil polyurethane almon shade gives original its cream cobs paint also sprayed th film holding up very well after mar flights black pinstriping A-i size Coverste Vinyl stick-on letterir office supply store used Pasture Pilots PPA logo t strictly tongue-in-cheek addition brought smile two seems amuse others notice logo w made Coverite Graphic Sheet thi painted old-timer cockpit ma Williams Bros 2%-in Sportsman simulate 1920s-style cap dabb baking soda small brush ad ed thin CyA repeating process until artful facsimile made bri piece A2 ply glued ti back cap rubberband used f elastic goggles After pinning windscreen place traced around its front ball-point pe carefully cut away covering #11 X-Acto knife leaving approximately /32 groove wood glued en Testors clear household c ment aluminum flange win screen made two strips Coven tape Which painted silver Frem initial inspiratien dna ing building stages finally relis ing its talents flier Ive received ma hours pleasure airplane Its realistic-looking model carries ne ism sky thats way enjo ing RC Pea Patch should satisfy Ha py touch-and-goes Radio Technique/Myers Continued page 36 can estimate current drawn ek tric motor dividing measured battery cap 150 Model Aviation
Edition: Model Aviation - 1990/09
Page Numbers: 24, 25, 26, 27, 28, 29, 30, 31, 32, 150
NO OCR TEXT NO OCR TEXT K rudder pushrod exit installation Kiett aileron fitting fairs niceiy fuse lage clean taii wheel steering system sure accuracy building panels Tracings can made formers glued wood spray contact cement peeled off after formers cut out Wing Pin A-in-sq stick place over plans used jig Pin another A-in-sq stick under bottom spar pin spar board Position ribs spar pin jig spar Position top A-in spar slide / x A-in trailing edge place slide x A-in rear spar through ribs Check panel yardstick Sig straightedge looks accurate apply thick CyA cyanoacrylate glue joints Glue x A-in leading edge piece ribs sand bevel con form rib shape Cover leading edge A6 sheet balsa Cut rear spar length Unpin pan el turn over pin back down jig rib Sand bevel lead ing edge install bottom sheeting Glue A6 verticals spars panel still pinned down Glue 3A6 tip pieces together stall center W-2 leading trailing edges Install braces spar extensions sheet tip Sand bevel edge x 3A -in balsa aileron spar pin plans Position ai leron ribs onto x 1-in trailing edge Pin assembly place over plans glue CyA Install glue A-in-sheet horn mount flush bot tom wing assembly draw straight line least 65 long workbench Place dihedral jig outboard W-2 position align spar mark bench line Put plastic wrap waxed paper under center section check fit spars leading trailing edges youre satisfied theyre square place shims under trailing edge pin panel down Install epoxy DR pieces spars SJ pieces rear spar Glue A-in-sq piece front edge trailing edge halves Sheet center sec tion wing still bench After sheeting remove wing stall aileron cranks mount Glue mounts cutouts W-3A ribs Con nect /16 music wire pushrods ai leron cranks Sheet bottom center sec tion Glue / x A-in leading edge cap place sand round Build stabilizer elevator rudder fin over plan Make elevator tie bar epoxy elevator halves together Fuselage Glue Lite Ply doublers A-in balsa sides together make right left assembly Take care dont assemble both sides same way balsa must outside piece Pin right side over plan fin ish building balsa sticks indi cated Cover glue joints top bottom right side strips waxed paper Position left side doubler assem Radio gear installation straightforward theres plenty room can see Futaba throttle rudder elevator ser vos on/off switch foam/ducttape-wrapped receiver ieft battery side-mountec tom wing Because opening side fuselage hatch unnecessary fake gas cap detailed plans fake left engine jug fashioned balsa painted aluminum exhaust stack 1/4-in dowel Pea Patch hand painted Sig Skybrite enamel Note clean flush fit cowl fuselage GRAD 3HEPItER K N N N % BALR RIB& - &IIEET PLi F1BERGLR& BLOCI K N C N RLR BPL ~MW SQ RCE TELL ME ABOUT TNI CRPiIi cnCOUR IN LPNDING CD 0JUET FIN I~dED CD WI CD CD / N N NN N 4QBRLAPRR WRT wEa Y8 ON BRP ~x}BALR N N N Q EL$R RM RL$R top center wing sheeting instaiied after joining operation complete Note traiiing edge has shimmed farther outboard allow installation top sheeting fuselage begins take shape Former F-2 F-3 have glued place com pleted sides pinned over waxed-paper-covered plan clothespin holds gether tall post triangle used ensure sides square tail post BA OUR S ROBE ERG NE HIkr II[I. DRILL OLE MA*ATORI lLSSHEEP SETS 2GTALL ITOITLE ROE OGLNt GLAOOEOLCTSEL______ P IGO PASSPLAP 2SSEELOPL-~ LA 53 BALSASIS 5E12 LAI PESALS*LSEE SECT PAL L bly ever right side Lite Ply isnt quite k youll need shim up left side till its flush outside edge A-in-sq longerons verticals Cardboard thin scrap ply good job Build up left side match right Remove assembly plan separate sides Sand bevels side tail post shown top view final assembly install former F-3 slots doubler pin down sides over top view Bring tail posts together clamp unit clothespin setting up 900 bench Install F-2 slots shimming un der sides location keep former place Epoxy formers doublers using blocks pinning firmly hold ward sides place doing Glue top bottom crosspieces Pin top formers aft F-3 temporarily place check see meet x A-in stringers Shift positions formers 28 Model Aviation LMUEB eoum F-S F-7 Full-Size Plans Available. See Page 196 F3 FB BLIPS PLY F-S F- A F-ZJ EMPLOTEEUPFAIE (rIPE PLYStilE PLY LOBWPB OOSOOEP OOOSOSOSO GBSIOOBOO3 0400005 F-S -STOPSIBIPSS ViKPMF-S FE FOB j --E-A-oosvPS010BST-l01 OdbSIBBP -005 ELEO 44(BOO _____--OSO0OOOBO00 OPP-00000 B T. -SOBOIMSIB OCT L0 OS CASIO SIBIBS 2140002 OOABOLE SSOS PLMO 52 ALL BBISOS0 6A4t B-S necessary glue place Glue hardwood block top F3B glue balsa scrap underneath Pin top stringers formers accurately posi tion before applying glue Mark off drill holes engine mount F-i firewall used 6-32 bolts through firewall epoxied back side lengths wire head slots Install firewall epoxy dou blers Install pushrod engine throttle point picture shows installa tion OS 40 Install Lite Ply mounting tank compartment vertical piece isolate throffle pushrod Install tank pack foam around Glue top doubler /8 x -in Lite Ply pieces slots F-i F-2 Glue A-in sheet top cabin section sheeting cut six pieces -in sheet balsa least 4 long three wide sheets A-grain balsa type balsa will curve easily MA1 ALL BALSA UNLESS NOTED Pei WI September 1990 29 F-The top bottom cross braces have glued place top farmers stringers secured Note small hardwood block epoxled F-3 used secure hatch fuel tank vertical ply section isolatIng tank throttle pushrod have installed doubled ply center brace place balsa cabin sheeting soaked wrapped rubberbanded around cans dry assume curved shapes cabin section begins take shape over wing Note %-ln strips pinned across wing will form base cabin structure Lite Ply plate glued across wing center trailing edge wiil serve reinforcement around wing rear hold-down bolt K Idkl NLSSSAO T/ 7--MT-i/1/SSTA TOP & BOTTOM WT2 MT-a -\ WINS TIP 3Il6BALSA TMEMCM 55 = Ii 1/16 SHEET TOP & BOTTOM -H--- 1- VERTICALS TYPICAL1/6SI CL ETT 1/BST FIRM BALS 0 SECTION 5-5 DIHEDRAL JIG T/6BALSAI2I SPAR LOCATER along its lengthor better said grain Soak pieces water wrap around coffee cans liberally secured rubberbands until theyre dry Glue A-in balsa side doublers A-in side stringers saddle strip /16 x A-in strip top longeron Epoxy Lite Ply WP cutouts ply doubler against F-3 Epoxy WPB reinforcements place Cut three lengths Sig maple engine mount stock size epoxy place per plans Position wing saddle sand away high spots saddle wing fits snugly fuselage Pin wing trailing edge squaring up tail post Drill down through wing ply plate WP maple block /16 drill Install short piece /16 dowel hole Drill front holes through ply plate maple block install second piece doweling Drill remaining hole After removing wing tap blocks -20 enlarge holes wing Bolt wing place lay plas 30 Model Aviation clear view throttle pushrod installation threaded link rod used keep stiff enough positive engine control Note engine-mount attachment screws epoxied backside firewall Also note lightening holes cut ply side doublers Full-Size Plans Available . See Page 196 T/IGLLi1214 --------~--GNIYSIflOSS/I -_OEM RIGHT EM WING EM MN HElL XSYVB E/LXT/I II EM = IIH II IILLI 1/8X1/21/IX 1/2 CAP TIIIIII I_____ 7-7 1/16MW1/16 PLY N2W252 6/ LEFT SING CEk4ER 9ET LI -_/2BA__Wi I ~6 sJ 1 1/4 SHEET STABILIZER 1/851/4 lOS 1/h 51/2 FSAG4E 4 I/4S7/8GALA -LEADING EDGE 1/4SQ2JIG 1/SUSSETS ITYP llBMALSAMAKEBF~RT22Z---6~ALS MAKES K K 1/6 LITE PLY -_- -W3—-~jyA-114 76ALSA-MAKE IS 1/tOALSA W MAKES PROM W-3s MAN 5MB PILL ER 1/BLITE PLY 2 l/LITE PLY 2 N I/SWINE YMRU TUBE 6 SOLDERED 1/4 BRASS TUBING ii LEVATOR 1/8X1/4 RIBS - ELEYT PIN PSINTITYP 1/551/2 Pea GOLDEN AGE SPORT MODEl 60 SPAN SLfl 120Z SOTO5BOST tic wrap over center section Pin A-in cabin strips formers place Referring pictures pin straight strips top center fuselage fore aft aligners cabin formers youre satisfied formers will fair rest fuselage glue cabin strips glue / x A-in strips top Remove A-in sheet pieces coffee cans begin fitting cabin formers takes some trying marking get good fit over wing little patience helps Using pattern cockpit mark cut out opening sand cabin sheeting fits well rest fuselage Carve headrest block glue place Glue % x 1-in ply holddown front cabin section after cutting out balsa sheet sheeting over tank accept Drill holes 440 tap forward part hold-down shown plan plan use gas cap hold-down fashion according method shown drawing OtherSeptember 1990 31 c cabin top sheeting being applied Note plastic wrap separating structure fuselage wing sheeting glued formers trimmed back half thickness former center sheeting can glued exposed half Left cockpit sheeting place opening has rough trimmed Small pieces ot balsa will cut visible gaps Right rear wing mounting plate has glued recesses doublers forward Sig maple hold-down blocks drilled tapped epoxied place Note forward cabin mount recessed achieve flush cabin tab fit Also note braced landing gear mount wise substitute own favorite method securing hatch Glue A-in dowel headrest shown drill tap 4-40 hold-down screw Cut Sig landing gear blocks length epoxy place together gear block reinforcements Refer section drawing bottom sheeting glue sheeting place per plan Bend Template B-B has glued foam block begin cowl construction Center thrust lines have scored B-B foam block Template A-A has also marked epoxied foam block landing gear wires clamp blocks Build removable section un der landing gear same way bot tom sheeting attached secure wood screws landing gear blocks Glue bottom stringers A-in facing attach covering Install servo mounting pieces suitable equip ment youre using Install pushrods foam nose piece has glued A-A entire cowl plug has sanded its correct shape Notice has shaped blend smoothly contours templates A-A B-B circle roughly marks spinner ring position elevator rudder Sullivan Gold-n-Rods used prototype Fabricating cowl relatively easy using two templates shown plan Foam blocks available craft store craft department variety store Continued page 150 Two views finished airplane its bare bones its almost too pretty cover once covered itll prettier fly much better perfectly flush-fitting cowl may take little effort make its really worth its appearance strength light weight 32 Model Aviation Fiberglass cloth being fitted over f Ished foam plug cloth used quite heavy Make dart cuts around cheeks slight overlap Use Sig Kwik Set 5-minute epoxy equivalent prod uct Keep overlaps smooth possi ble avoid lot sanding filling later Mere Fun less Funds ving pan62/2 inches Wing Area770 square inches Engine Size 10 cc 90 120 four stroke Designed AMA FAI Turn-around pattern Foam wing stab 3-32 Balsa sheet covering Tricycle conven lional gear fixed retracts Rear side exhaust fiber glass canopy Very positive maneuverable XLT SPECIFICA Wing Span65 inches Length65 inches Wing Area845 square inches Recommended Engine Size 10 cc 90 120 four stroke XLT designed tuned pipe re tract landing gears Capable AMA Turn-around pattern Rear side ex haust SPECIFICATIONS Wing Span Wing Area Engine Size 63Y4 inches 700 square inches 50-60 Glow 90 four stroke fun sport pattern turn-around can done Utter Chaos completely built up Balsa construction Canopy engine mount included years proven flying reliablity BRIDI AIRCRAFT DESIGNS INC 23625 Pineforest Lane Harbor City California 90710 213 549-8264 213 326-5013 SEE YOUR FAVORITE HOBBY SHOP OR RETAIL OUTLETW Dealer Inqurles Invited D&J ELECTRONICS 900 Lucy Road ll Ml 48843 546-2644 service makes RIO equipment utilizing state art electronics Spectrum Analyzer Precision Frequency Measuring equipment True 1991 Standards endorsed AMA & ROMA Transmitter Slicker Program FCC LicensedSpeed Central RepairsQuality Service Transmitter Checks Only includes GOLD/SILVER slicker$400 Transmitter & Receiver Calibration$2400 Frequency Upgrades & Changes crystals extra$2900 Bench Time Repairs per hour$2500 Transmitters service will receive AMA/RCMA sticker ADD $500 FOR SHIPPING & INSURANCE TURN AROUND TIME TWO WEEKS OR LESSIi UPSLJ ISA/MASTERCARD ACCEPTEDCOD Pea Patch/Shepherd Continued page 32 used form shape cowl Cut block inside dimensions sections AA B-B Epoxy B-B pattern side draw alignment lines foam properly position A-A pattern Glue A-A place shown picture Glue foam nose block A-A use 80- 100-grit sandpaper shape foam around patterns youre satisfied shape lay fiberglass cloth ever foam securing five-minute epoxy achieve snugness final one-hour epoxy used Youll need cut darts cloth good fit over form Try keep smooth possible avoid ex cessive sanding after epoxy applied Mix up batch Sig one-hour epoxy let soak fiberglass cloth using throwaway brush heat lamp hair dryer will speed up epoxy cure first coat dry knock off bumps rough spots coarse paper mix up apply second coat epoxy Sand 180-grit paper dry Use Sig glass beads epoxy Epoxilite have some handy fill low spots part smoothed satis faction cut away B-B hog out foam screwdriver Cut away A-A us ing Dremel-type tool router sand ing drum Glue F-lA front firewall along small hardwood blocks trial fit cowl trimming get flush fit fuselage sheeting Install en gine begin cutting away cowl fit over fit accurate screw cowl place Cut 2-in ring Lite Ply epoxy front cowl its centered engine shaft Glue rear block over stab sand shape Assemble tail wheel fittings epoxy tail wheel slot tail post Cevering finishing fuselage fin rudder covered Sig Koverall using nitrate dope wing stab/ele vator covered plastic film Dope brushed framework whereve covering contacted wood Stretc covering over fuselage th grain running crosswise lengthwise apply dope through covering t contact wood After tightening heat iron fabric given three coat nitrate clear Red Devil polyurethane almon shade gives original its cream cobs paint also sprayed th film holding up very well after mar flights black pinstriping A-i size Coverste Vinyl stick-on letterir office supply store used Pasture Pilots PPA logo t strictly tongue-in-cheek addition brought smile two seems amuse others notice logo w made Coverite Graphic Sheet thi painted old-timer cockpit ma Williams Bros 2%-in Sportsman simulate 1920s-style cap dabb baking soda small brush ad ed thin CyA repeating process until artful facsimile made bri piece A2 ply glued ti back cap rubberband used f elastic goggles After pinning windscreen place traced around its front ball-point pe carefully cut away covering #11 X-Acto knife leaving approximately /32 groove wood glued en Testors clear household c ment aluminum flange win screen made two strips Coven tape Which painted silver Frem initial inspiratien dna ing building stages finally relis ing its talents flier Ive received ma hours pleasure airplane Its realistic-looking model carries ne ism sky thats way enjo ing RC Pea Patch should satisfy Ha py touch-and-goes Radio Technique/Myers Continued page 36 can estimate current drawn ek tric motor dividing measured battery cap 150 Model Aviation