LY BABY sj no introductiop d around horn appealing e sive aircraft Being ali structed easily av riaIs Fly Bal amateur s should b variatior ubble canopie few biplane deler th look trew out huilt designs scale modelin duplicated ion made eal Fly Baby rm view reveals thea flying mode drtment door riggingicture scale interOsu uflts floti p sq ujiding t 22iflR th ir epoxy dry t mm NO OCR TEXT NO OCR TEXT CONSTRUCTION OF SWOLIZER B RUDDER ARE SIMILARA 1/32 K 310 PLY TRAILIM 3/52w SO RIBS sp~s --SMALL HINGES TYP SPRUCE INSERT &I/6 SHEET BALSA CORE ALUM TUBE I/IS-SMALL VECO HORN I32X3/4 SHEET- --3/3 ALUM TUBE RIGHT WING IS THE SAME AS ThE LEFT WING ISBLRI3 IN ONEPEICE 2 THEN INSERTED INTO FUSELAGE jc ER SPARS 3 FROM I/B PLY CUT SMALL NOTCH IN TWO SPARS LARGE NOTCH B LG HOLES IN THItO COCKPIT DETALS SIDE TOP ft SECTIONS . WCAflONS BRASS TURNSUCKLE8 /32 PlY DOLELER 2 ALIGNMENT PLATES7 CARB HEAT 3 FlYING WIRE AITCH FTGe piwi 4 TNROTTLE9 SKID BALL 8 MIXTURE10 FORMER NO2 II 3/32 51 SIDE 12 3/32 PLY DOIMLER I3 FRONT WING SPAR 14 PLY SOCKET IS FULL DEPTH STRINGER 16 SCALE STRUCTURE SEAT SEAT Sm IS #IAP COUP DOOR IS HEADREST 2CL WING FOLD TI 316 50 L EPLYWOOD S SMRS FRONT REAR 3/ SEE PHOTOS POR RIGGING / JA/ELENS DEWLS/ NOTCH TO TIN STRIP- CL CA8LE Ik\121 131 I4 Ill 1213141 FUSELAGE SIDE II VI OIL PRESS NAG SWITCHES7 1/ EXPERIMENTAL NOTiGE UcHOMETERILA ~METER OIL TEIa SS AIRSPEED INDICATORCLIMB 4 5 6 FABRIC ON BOTTO#d -3/32 PL DOUBLER BRASS SHEET SCOOPS ARE CUT TO FIT SOLDERED r -Lfr r-c-I- I-VOFF SET ICOWL BHELDON WITH SincE SPONESTI4OIJGNCOWELTO___ THE ENGIHE MOUNTS EPOXY BOLTS MJTS IN PLACE COWL RETAIN4G NUT B WASHER LY REIN WASHER BRASS SHEET SCOOPS SPARK PLUGS S CABLES PLASTIC CYLINDERS CUT -TO SHAPE SHOWN CAP NOTEHOLESMOLDED PLASTIC CY/ERS 21/2-302 TA 4-40 5043 LINK FOR SCALE BALSA FELERS THROTTLE SOLDERFUEL CAP 11W ALUM TUBE ROCKER AP&6 TO THROTTLE PUENROD EXHAUST INTAJcE TUBES SEE TEXTI WING ROOT SPAR BOTTOM STRINSSTICK ASSEMBlY ENThIY MADE . FROM BRASS SEE TEXT COWL IS BUILT UP OF BLOCKS HOLLOWED I/4SALSASS40R5t2 FOR RIGGINGICOWL SECTIONENGINESSCALE EXHAUST / N N3/3 MUSIC WIRERUDDER PEDALS BRAKE PEDALS I/V BRASS TUBES SOLDER TO AXEL TI4EN FLAtTEN B NOTE ON DOCUMENTATION THE SCALE ORMYINGS IN TIE AUGUST/SEPTEMBER 1963 ISSUE OF PROIPESS ARE AMUST! ORLL THE END2A L/32 RIGGING WIRE BUS WITH COFFER E S SOLDER PLY fl/V BALSA 2 SHEET 0 w 0 w w w -J -J Co z -J w N -J -J UTHE FLY BABY IN COFJITlOL-IIIE SCALE /2- DESIGNED DRN INKED BY dove bought CAPPED WITh vieziIe DALSAUIVCAP SmWs* SHEET FEL WING TIP BOWS ARE LAMINATED FROI 3 LATERSOF I/ISK3AV PLANES T~ -iI--OUTBOARDTIP ON UNKAG HERE WIRE TE DOWN & WINS SPRUCE BLOCKS FOR WINGAI/IrPLANKlNG TOP S BOTTOMFOLDING P SCALE 1/21/32 PLY T EMAIN RIB TEMPLATE ALL RIDS 3/32TYPICAL CROSS SECTION 1/2TRIM TO FIT ATTFSADIUSTABLE CLEVIS PIFOT TUBE WHIR DOWEL040 WIRE LYiNG WIRESSEATBOTTOM TO SCALE NOTE 3/32 BRASS N COCKPIT FLOOR EXCEPT UNDER RUDDER PEDALSPAIRINGS PROM MICRO-BALLOONS 600 WET DORYSOLDERBRASS SHINS W EPOXY SANDPAPER TOP STRINGERS S PLANKING OIAlTED ThIN TO CLEAR RUDDER NAP COMPARTMENT FLOOR 8 BACK MOVEMENT VV- - -1 BOtTOM LONGERONSSPRIJCE PUSHROO 2SEE CROSS SECTIONS SUPPORTS SEE SWB PLAN FOR DETAILS B SIZES HEADREST HOLLOW AS SHOWN FROM BALSA BLOCKRUDDER SPAR SECTION AlE WITh BLACK TAPE I/Ge PLY PLANKING ON TOP DECKTYPICAL STAB RUDDER SECTiONSTUBE FOLD SHARPLY ON LIGHT LINESMAP COMPARTMENT 1/32 PLY DOUBLER SPLIT BLACK3/3w BALSA SIDES3/32 K I/4 SPRUCE STREIGERS FUEL LINEI TOP 8 BOTTOM 23/32 50 SIM6 STRUCTURE II 1/32w lY 1 .- NOISeS -fluxIIaI NIH A~ SFIXMt -~Z::y ------.\4iD RUDDER PEDALS.SMALLSPRINGS KI/4SPRUCEBIOCK ALE LBWALKING SEAMIPRIGHTS B CROSS PEICES 3 80135EATS SEATBEIJWHE WRAPSMALL SCREWS EBB SSTICK 81OUETLSEFROM STICK TO ELEY HORNv x itam ALUM SThU ME 7/CUT AND SEND /32 PLY DOUBLER NOTCHED FOR SPARS BALSA FARNOS- 4- FROM VI TACKED CLOTHTOP FORItERB FROM 5/32 SlEETBALSA S MICRO-BALLOONS IHARD ALUM 2144 WHEELS QUAL SPACE StRINGERS p 4 7 A1157 SEE PHOTOS FOR DEPAILS 34567 lEdGE NAP COMPARTMENT DOOR WITH PIN0I25498 WING STRUCTURE PLYWOOD RIBS SPRUCE SPARS ALUM LEADING B TRAILING EDGE SHEETING SPRUCE LAMINATED TIPS WING TIP PINS FIT INTO HOLES IN TOP OF STABILIZER ING WIRES P~DT TUBENY BLUE FELD~ WHITE RED CENTER FLY BABY designed PETE BOWERS drown DAVE HAUCI-IT SPECIFICATIcHS SPAN- 26 CHORD- 46 LENGTH-19 EMITY WEIGHT- 605 lbs GROSS WEIGHT-926 lbs PEFfOWIANCE CRUISE-lID CLIMB SOD FFW LAlNG- 46MPH RANGE 0O MILES POSITION OF FOLDED WING TIEDOWN RINGS AILERON PUSHRODS POSITION GR FOLDED WING HOLES FOR WING TIP PINS ALL WOOD RUDDER STABILIZER WITH ALUM LEADItIG EDGES GAS TANK B GAUGE WELDED TUBE BRAKE PEDALS COLORS FUSELAGE-TRUE BLUE WIIG 8 STAB- BRIGHT YELLOW FIN- YELLOW RUDDER-BLUE VERTICAL STRIPE WITH 7 RED 8 6 WHIlE STRIPES FUSELAGE BAND- WHITE PINSTRIPES 8 RED BAND COCKPIT ARRANGEMENT PRESSJRE 1I SWITCHES 3 OIL TEMP TACH 3 AIRSPEED 161 ALIlMETER CLIMB COMPASS 16LANDING WIRE CARB HEAT f} PRIMER BALL 4 STICK 113 TURNBUCKLE TLE MIXTURE 4 AILERON ELEVATOR PU BAGGAPORMED ALUM CONWSHEADREST DOOR SLOT FOR Ik1LIJL SHOUDE BELT B REAR SPAR FITTINGS ALL FUSELAGE SECTIONS ARE 1/2 SCAt F FUSELAGE STRUCTURE PLYWOOD SIDES SPRUCE STRINGERS ALUM SHEET f~-VINSPECTION BOOXI4 TIRES ENGINE A-65C-BS P CONTINENTAL COCKPIT DETAIL INOT TO SCALE 012 34 56 18910 REPEINCE N CD 0 torn fuselage covered silk nylon simulate real fabric area gets continual abuse prop blown sand sure its well protected Mount engine plan use begin carving cowl blocks fit around it Allow enough clearance around engine free air flow yet retaining good wall thickness cowl finished-sanded fit bike spoke anchors place give entire inside cowl coat epoxy fuel-proof model now ready finish recommend use technique familiar homebuilts have hand-rubbed finishes would best match real Fly Baby Fly Baby pictures painted blue yellow like squadron real Fly Babys out Texas Other colorful examples abound homebuilder magazines Build dummy engine shown plan will find extra amount time will really pay off Begin four Williams Brothers Le Rhone cylin ders Cut down size drawing fit ends match con tour cowling will mount Make glue balsa plywood heads spacers ends cylin ders drill hole mount ing screws Mount cylinders lo cations shown using 4-40 screws blind nuts Add rocker arms spark plugs wires Heat-form four plastic head covers ala canopy forming glue place scoops first cut stiff paper bent shapes shown satisfied what youve created repeat process using thin brass shim stock Paint finished product black epoxy firmly place dummy exhaust stacks made 3/32 diameter solder covered black fuel tubing bent proper shapes Drill required holes fit securely place epoxy Rigging model adds final touch Use solid control line wire throughout best scale effect plans show simple trick simulating required Continued page 92 Reminiscent pre-war WW II era Fly Baby sits awaiting mission Color schemetypical dayis similar real Fly Babys Two bicycle spokes hold cowling Note cooling exit cutouts cowl well scale throttle link engine pushrod Simple gas tank cap adds touch realism Rigging must neatand scale mere two ot wire javelins thethin fore and-aft bracesl hold together place cockpit windscreen present no special problems GRISH AIRCRAFT TYPE PROPELLERS Made hardwood fully carved true helical pitch airfoil ready sanding ALL SIZES INis$700 8 & 10 PITCH20800 RIGHT HAND221000 ROTATION241 aoo 3/8 BORE AT YOUR DEALER USE TO PROPEL AIR CREATE THRUST AND BE PROPELLED BY AIR AT DISCRETION OF THE PURCHASER 2 Blade Tractor 5-3each 5-45%-35/-4304 6-36-4354 7-47-67-8504 8-48-68-8654 9-49-69-7 9-810-410-6854 11-411-611-8$1 12-412-512-6$150 5y3 2 Blade Pusher 5%-4 6-36-4 354 8-6854j 9-610-6$1 3BladeTractor BLADE 5-3 6-36-4504 3BladePusher 6-3504 Made otpolyester llic Aluminum Color boil color7-67-8$1 8-68-8 $125 9-6 10-6 10-4 $150 Pusher 10-6$150 Dave Cook Secretary Star Route Gran CO 80446 Stanley Pfost DDS NSS President 1481 Howell Branch Road Winter Park FL 32789 League Silent Flight Box 39068 Chicago IL 60639 Gordon Pearson LSF President 8232 Earhart Rd South Lyon MI 48178 Fly Baby kinds conditions come confident model yourself Put together organized thorough documentation booklet Use source plans good scale drawing look through homebuilt magazines per tinent photographs Put works nice binder head next contest CL Scale/Gretz continued page 34 pearance doesnt look bad conventional model engine would plane built entirely Sig balsa plywood wing tail surfaces covered silk covered light-weight Silkspan fuselage covered balsa silk entire plane finished Aero-Gloss dope mixed myself match color original plane am presently build ing Sig J-3 Cub same numbers own 1946 J-3 Cub NC 1464N have set plans scale RC model Piper Pawnee Hope build plane next winter flew Pawnee first started Ag flying have 1800 hours PA-25-235 Pawnee way Dick Ruckel Ive become aware Prop Busters Model Airplane Club Cleveland Ohio has very ac tive group CL Scale fliers Dick sent several good sketches ideas have used him peers Coinci dently ideas building spray dump mechanism model crop dusters accompanying drawing self-explanatory Dick also offered some constructive criticism contest judging based experiences competition season fast approaching think thoughts warrant some careful consideration Dicks letter Theres lot comment about too much detail Sport Scale planes local meet rules discarded model cockpit like Dicks Clip Wing Cub went AMA Scale another contest judges protested Clip Wing being AMA Scalehe said wasnt scale enough model rules dont say Dan Pruss Ri 2 Box 490 Plainfield IL 60544 Fly Baby/Haught continued page 33 turnbuckles securing wires same time Cut lengths aluminum tubing shown slip over ends wire form loop ends feed through hole rigging tabs slip tubing over end again crimp tubing hold together Refer pictures plans rig ging points details Dont forget rig rudder stabilizer landing gear axle Fabricate windshield fuel cap tiedowns wing folding pins pitot tube epoxy place Its little details add final score dont over look Well does look ready experience Control Line Scale competition has taught valu able item can take contest circle experience Practice flying 92 Model Aviation PROPELLERS ALL GRISH PROPELLERS ARE ENGINEERED TO TRUE HELICAL PITCH AND AIRFOIL FOR EFFICIENCY AT YOUR DEALER GRISH ST JOHN INDIANA 46373 Close-up shot tail showing scale steerable tailwheel linkage rudder means small-diameter stiff springs Also see Wischers column photographs author
Edition: Model Aviation - 1978/05
Page Numbers: 26, 27, 28, 29, 30, 31, 32, 33, 92
LY BABY sj no introductiop d around horn appealing e sive aircraft Being ali structed easily av riaIs Fly Bal amateur s should b variatior ubble canopie few biplane deler th look trew out huilt designs scale modelin duplicated ion made eal Fly Baby rm view reveals thea flying mode drtment door riggingicture scale interOsu uflts floti p sq ujiding t 22iflR th ir epoxy dry t mm NO OCR TEXT NO OCR TEXT CONSTRUCTION OF SWOLIZER B RUDDER ARE SIMILARA 1/32 K 310 PLY TRAILIM 3/52w SO RIBS sp~s --SMALL HINGES TYP SPRUCE INSERT &I/6 SHEET BALSA CORE ALUM TUBE I/IS-SMALL VECO HORN I32X3/4 SHEET- --3/3 ALUM TUBE RIGHT WING IS THE SAME AS ThE LEFT WING ISBLRI3 IN ONEPEICE 2 THEN INSERTED INTO FUSELAGE jc ER SPARS 3 FROM I/B PLY CUT SMALL NOTCH IN TWO SPARS LARGE NOTCH B LG HOLES IN THItO COCKPIT DETALS SIDE TOP ft SECTIONS . WCAflONS BRASS TURNSUCKLE8 /32 PlY DOLELER 2 ALIGNMENT PLATES7 CARB HEAT 3 FlYING WIRE AITCH FTGe piwi 4 TNROTTLE9 SKID BALL 8 MIXTURE10 FORMER NO2 II 3/32 51 SIDE 12 3/32 PLY DOIMLER I3 FRONT WING SPAR 14 PLY SOCKET IS FULL DEPTH STRINGER 16 SCALE STRUCTURE SEAT SEAT Sm IS #IAP COUP DOOR IS HEADREST 2CL WING FOLD TI 316 50 L EPLYWOOD S SMRS FRONT REAR 3/ SEE PHOTOS POR RIGGING / JA/ELENS DEWLS/ NOTCH TO TIN STRIP- CL CA8LE Ik\121 131 I4 Ill 1213141 FUSELAGE SIDE II VI OIL PRESS NAG SWITCHES7 1/ EXPERIMENTAL NOTiGE UcHOMETERILA ~METER OIL TEIa SS AIRSPEED INDICATORCLIMB 4 5 6 FABRIC ON BOTTO#d -3/32 PL DOUBLER BRASS SHEET SCOOPS ARE CUT TO FIT SOLDERED r -Lfr r-c-I- I-VOFF SET ICOWL BHELDON WITH SincE SPONESTI4OIJGNCOWELTO___ THE ENGIHE MOUNTS EPOXY BOLTS MJTS IN PLACE COWL RETAIN4G NUT B WASHER LY REIN WASHER BRASS SHEET SCOOPS SPARK PLUGS S CABLES PLASTIC CYLINDERS CUT -TO SHAPE SHOWN CAP NOTEHOLESMOLDED PLASTIC CY/ERS 21/2-302 TA 4-40 5043 LINK FOR SCALE BALSA FELERS THROTTLE SOLDERFUEL CAP 11W ALUM TUBE ROCKER AP&6 TO THROTTLE PUENROD EXHAUST INTAJcE TUBES SEE TEXTI WING ROOT SPAR BOTTOM STRINSSTICK ASSEMBlY ENThIY MADE . FROM BRASS SEE TEXT COWL IS BUILT UP OF BLOCKS HOLLOWED I/4SALSASS40R5t2 FOR RIGGINGICOWL SECTIONENGINESSCALE EXHAUST / N N3/3 MUSIC WIRERUDDER PEDALS BRAKE PEDALS I/V BRASS TUBES SOLDER TO AXEL TI4EN FLAtTEN B NOTE ON DOCUMENTATION THE SCALE ORMYINGS IN TIE AUGUST/SEPTEMBER 1963 ISSUE OF PROIPESS ARE AMUST! ORLL THE END2A L/32 RIGGING WIRE BUS WITH COFFER E S SOLDER PLY fl/V BALSA 2 SHEET 0 w 0 w w w -J -J Co z -J w N -J -J UTHE FLY BABY IN COFJITlOL-IIIE SCALE /2- DESIGNED DRN INKED BY dove bought CAPPED WITh vieziIe DALSAUIVCAP SmWs* SHEET FEL WING TIP BOWS ARE LAMINATED FROI 3 LATERSOF I/ISK3AV PLANES T~ -iI--OUTBOARDTIP ON UNKAG HERE WIRE TE DOWN & WINS SPRUCE BLOCKS FOR WINGAI/IrPLANKlNG TOP S BOTTOMFOLDING P SCALE 1/21/32 PLY T EMAIN RIB TEMPLATE ALL RIDS 3/32TYPICAL CROSS SECTION 1/2TRIM TO FIT ATTFSADIUSTABLE CLEVIS PIFOT TUBE WHIR DOWEL040 WIRE LYiNG WIRESSEATBOTTOM TO SCALE NOTE 3/32 BRASS N COCKPIT FLOOR EXCEPT UNDER RUDDER PEDALSPAIRINGS PROM MICRO-BALLOONS 600 WET DORYSOLDERBRASS SHINS W EPOXY SANDPAPER TOP STRINGERS S PLANKING OIAlTED ThIN TO CLEAR RUDDER NAP COMPARTMENT FLOOR 8 BACK MOVEMENT VV- - -1 BOtTOM LONGERONSSPRIJCE PUSHROO 2SEE CROSS SECTIONS SUPPORTS SEE SWB PLAN FOR DETAILS B SIZES HEADREST HOLLOW AS SHOWN FROM BALSA BLOCKRUDDER SPAR SECTION AlE WITh BLACK TAPE I/Ge PLY PLANKING ON TOP DECKTYPICAL STAB RUDDER SECTiONSTUBE FOLD SHARPLY ON LIGHT LINESMAP COMPARTMENT 1/32 PLY DOUBLER SPLIT BLACK3/3w BALSA SIDES3/32 K I/4 SPRUCE STREIGERS FUEL LINEI TOP 8 BOTTOM 23/32 50 SIM6 STRUCTURE II 1/32w lY 1 .- NOISeS -fluxIIaI NIH A~ SFIXMt -~Z::y ------.\4iD RUDDER PEDALS.SMALLSPRINGS KI/4SPRUCEBIOCK ALE LBWALKING SEAMIPRIGHTS B CROSS PEICES 3 80135EATS SEATBEIJWHE WRAPSMALL SCREWS EBB SSTICK 81OUETLSEFROM STICK TO ELEY HORNv x itam ALUM SThU ME 7/CUT AND SEND /32 PLY DOUBLER NOTCHED FOR SPARS BALSA FARNOS- 4- FROM VI TACKED CLOTHTOP FORItERB FROM 5/32 SlEETBALSA S MICRO-BALLOONS IHARD ALUM 2144 WHEELS QUAL SPACE StRINGERS p 4 7 A1157 SEE PHOTOS FOR DEPAILS 34567 lEdGE NAP COMPARTMENT DOOR WITH PIN0I25498 WING STRUCTURE PLYWOOD RIBS SPRUCE SPARS ALUM LEADING B TRAILING EDGE SHEETING SPRUCE LAMINATED TIPS WING TIP PINS FIT INTO HOLES IN TOP OF STABILIZER ING WIRES P~DT TUBENY BLUE FELD~ WHITE RED CENTER FLY BABY designed PETE BOWERS drown DAVE HAUCI-IT SPECIFICATIcHS SPAN- 26 CHORD- 46 LENGTH-19 EMITY WEIGHT- 605 lbs GROSS WEIGHT-926 lbs PEFfOWIANCE CRUISE-lID CLIMB SOD FFW LAlNG- 46MPH RANGE 0O MILES POSITION OF FOLDED WING TIEDOWN RINGS AILERON PUSHRODS POSITION GR FOLDED WING HOLES FOR WING TIP PINS ALL WOOD RUDDER STABILIZER WITH ALUM LEADItIG EDGES GAS TANK B GAUGE WELDED TUBE BRAKE PEDALS COLORS FUSELAGE-TRUE BLUE WIIG 8 STAB- BRIGHT YELLOW FIN- YELLOW RUDDER-BLUE VERTICAL STRIPE WITH 7 RED 8 6 WHIlE STRIPES FUSELAGE BAND- WHITE PINSTRIPES 8 RED BAND COCKPIT ARRANGEMENT PRESSJRE 1I SWITCHES 3 OIL TEMP TACH 3 AIRSPEED 161 ALIlMETER CLIMB COMPASS 16LANDING WIRE CARB HEAT f} PRIMER BALL 4 STICK 113 TURNBUCKLE TLE MIXTURE 4 AILERON ELEVATOR PU BAGGAPORMED ALUM CONWSHEADREST DOOR SLOT FOR Ik1LIJL SHOUDE BELT B REAR SPAR FITTINGS ALL FUSELAGE SECTIONS ARE 1/2 SCAt F FUSELAGE STRUCTURE PLYWOOD SIDES SPRUCE STRINGERS ALUM SHEET f~-VINSPECTION BOOXI4 TIRES ENGINE A-65C-BS P CONTINENTAL COCKPIT DETAIL INOT TO SCALE 012 34 56 18910 REPEINCE N CD 0 torn fuselage covered silk nylon simulate real fabric area gets continual abuse prop blown sand sure its well protected Mount engine plan use begin carving cowl blocks fit around it Allow enough clearance around engine free air flow yet retaining good wall thickness cowl finished-sanded fit bike spoke anchors place give entire inside cowl coat epoxy fuel-proof model now ready finish recommend use technique familiar homebuilts have hand-rubbed finishes would best match real Fly Baby Fly Baby pictures painted blue yellow like squadron real Fly Babys out Texas Other colorful examples abound homebuilder magazines Build dummy engine shown plan will find extra amount time will really pay off Begin four Williams Brothers Le Rhone cylin ders Cut down size drawing fit ends match con tour cowling will mount Make glue balsa plywood heads spacers ends cylin ders drill hole mount ing screws Mount cylinders lo cations shown using 4-40 screws blind nuts Add rocker arms spark plugs wires Heat-form four plastic head covers ala canopy forming glue place scoops first cut stiff paper bent shapes shown satisfied what youve created repeat process using thin brass shim stock Paint finished product black epoxy firmly place dummy exhaust stacks made 3/32 diameter solder covered black fuel tubing bent proper shapes Drill required holes fit securely place epoxy Rigging model adds final touch Use solid control line wire throughout best scale effect plans show simple trick simulating required Continued page 92 Reminiscent pre-war WW II era Fly Baby sits awaiting mission Color schemetypical dayis similar real Fly Babys Two bicycle spokes hold cowling Note cooling exit cutouts cowl well scale throttle link engine pushrod Simple gas tank cap adds touch realism Rigging must neatand scale mere two ot wire javelins thethin fore and-aft bracesl hold together place cockpit windscreen present no special problems GRISH AIRCRAFT TYPE PROPELLERS Made hardwood fully carved true helical pitch airfoil ready sanding ALL SIZES INis$700 8 & 10 PITCH20800 RIGHT HAND221000 ROTATION241 aoo 3/8 BORE AT YOUR DEALER USE TO PROPEL AIR CREATE THRUST AND BE PROPELLED BY AIR AT DISCRETION OF THE PURCHASER 2 Blade Tractor 5-3each 5-45%-35/-4304 6-36-4354 7-47-67-8504 8-48-68-8654 9-49-69-7 9-810-410-6854 11-411-611-8$1 12-412-512-6$150 5y3 2 Blade Pusher 5%-4 6-36-4 354 8-6854j 9-610-6$1 3BladeTractor BLADE 5-3 6-36-4504 3BladePusher 6-3504 Made otpolyester llic Aluminum Color boil color7-67-8$1 8-68-8 $125 9-6 10-6 10-4 $150 Pusher 10-6$150 Dave Cook Secretary Star Route Gran CO 80446 Stanley Pfost DDS NSS President 1481 Howell Branch Road Winter Park FL 32789 League Silent Flight Box 39068 Chicago IL 60639 Gordon Pearson LSF President 8232 Earhart Rd South Lyon MI 48178 Fly Baby kinds conditions come confident model yourself Put together organized thorough documentation booklet Use source plans good scale drawing look through homebuilt magazines per tinent photographs Put works nice binder head next contest CL Scale/Gretz continued page 34 pearance doesnt look bad conventional model engine would plane built entirely Sig balsa plywood wing tail surfaces covered silk covered light-weight Silkspan fuselage covered balsa silk entire plane finished Aero-Gloss dope mixed myself match color original plane am presently build ing Sig J-3 Cub same numbers own 1946 J-3 Cub NC 1464N have set plans scale RC model Piper Pawnee Hope build plane next winter flew Pawnee first started Ag flying have 1800 hours PA-25-235 Pawnee way Dick Ruckel Ive become aware Prop Busters Model Airplane Club Cleveland Ohio has very ac tive group CL Scale fliers Dick sent several good sketches ideas have used him peers Coinci dently ideas building spray dump mechanism model crop dusters accompanying drawing self-explanatory Dick also offered some constructive criticism contest judging based experiences competition season fast approaching think thoughts warrant some careful consideration Dicks letter Theres lot comment about too much detail Sport Scale planes local meet rules discarded model cockpit like Dicks Clip Wing Cub went AMA Scale another contest judges protested Clip Wing being AMA Scalehe said wasnt scale enough model rules dont say Dan Pruss Ri 2 Box 490 Plainfield IL 60544 Fly Baby/Haught continued page 33 turnbuckles securing wires same time Cut lengths aluminum tubing shown slip over ends wire form loop ends feed through hole rigging tabs slip tubing over end again crimp tubing hold together Refer pictures plans rig ging points details Dont forget rig rudder stabilizer landing gear axle Fabricate windshield fuel cap tiedowns wing folding pins pitot tube epoxy place Its little details add final score dont over look Well does look ready experience Control Line Scale competition has taught valu able item can take contest circle experience Practice flying 92 Model Aviation PROPELLERS ALL GRISH PROPELLERS ARE ENGINEERED TO TRUE HELICAL PITCH AND AIRFOIL FOR EFFICIENCY AT YOUR DEALER GRISH ST JOHN INDIANA 46373 Close-up shot tail showing scale steerable tailwheel linkage rudder means small-diameter stiff springs Also see Wischers column photographs author
Edition: Model Aviation - 1978/05
Page Numbers: 26, 27, 28, 29, 30, 31, 32, 33, 92
LY BABY sj no introductiop d around horn appealing e sive aircraft Being ali structed easily av riaIs Fly Bal amateur s should b variatior ubble canopie few biplane deler th look trew out huilt designs scale modelin duplicated ion made eal Fly Baby rm view reveals thea flying mode drtment door riggingicture scale interOsu uflts floti p sq ujiding t 22iflR th ir epoxy dry t mm NO OCR TEXT NO OCR TEXT CONSTRUCTION OF SWOLIZER B RUDDER ARE SIMILARA 1/32 K 310 PLY TRAILIM 3/52w SO RIBS sp~s --SMALL HINGES TYP SPRUCE INSERT &I/6 SHEET BALSA CORE ALUM TUBE I/IS-SMALL VECO HORN I32X3/4 SHEET- --3/3 ALUM TUBE RIGHT WING IS THE SAME AS ThE LEFT WING ISBLRI3 IN ONEPEICE 2 THEN INSERTED INTO FUSELAGE jc ER SPARS 3 FROM I/B PLY CUT SMALL NOTCH IN TWO SPARS LARGE NOTCH B LG HOLES IN THItO COCKPIT DETALS SIDE TOP ft SECTIONS . WCAflONS BRASS TURNSUCKLE8 /32 PlY DOLELER 2 ALIGNMENT PLATES7 CARB HEAT 3 FlYING WIRE AITCH FTGe piwi 4 TNROTTLE9 SKID BALL 8 MIXTURE10 FORMER NO2 II 3/32 51 SIDE 12 3/32 PLY DOIMLER I3 FRONT WING SPAR 14 PLY SOCKET IS FULL DEPTH STRINGER 16 SCALE STRUCTURE SEAT SEAT Sm IS #IAP COUP DOOR IS HEADREST 2CL WING FOLD TI 316 50 L EPLYWOOD S SMRS FRONT REAR 3/ SEE PHOTOS POR RIGGING / JA/ELENS DEWLS/ NOTCH TO TIN STRIP- CL CA8LE Ik\121 131 I4 Ill 1213141 FUSELAGE SIDE II VI OIL PRESS NAG SWITCHES7 1/ EXPERIMENTAL NOTiGE UcHOMETERILA ~METER OIL TEIa SS AIRSPEED INDICATORCLIMB 4 5 6 FABRIC ON BOTTO#d -3/32 PL DOUBLER BRASS SHEET SCOOPS ARE CUT TO FIT SOLDERED r -Lfr r-c-I- I-VOFF SET ICOWL BHELDON WITH SincE SPONESTI4OIJGNCOWELTO___ THE ENGIHE MOUNTS EPOXY BOLTS MJTS IN PLACE COWL RETAIN4G NUT B WASHER LY REIN WASHER BRASS SHEET SCOOPS SPARK PLUGS S CABLES PLASTIC CYLINDERS CUT -TO SHAPE SHOWN CAP NOTEHOLESMOLDED PLASTIC CY/ERS 21/2-302 TA 4-40 5043 LINK FOR SCALE BALSA FELERS THROTTLE SOLDERFUEL CAP 11W ALUM TUBE ROCKER AP&6 TO THROTTLE PUENROD EXHAUST INTAJcE TUBES SEE TEXTI WING ROOT SPAR BOTTOM STRINSSTICK ASSEMBlY ENThIY MADE . FROM BRASS SEE TEXT COWL IS BUILT UP OF BLOCKS HOLLOWED I/4SALSASS40R5t2 FOR RIGGINGICOWL SECTIONENGINESSCALE EXHAUST / N N3/3 MUSIC WIRERUDDER PEDALS BRAKE PEDALS I/V BRASS TUBES SOLDER TO AXEL TI4EN FLAtTEN B NOTE ON DOCUMENTATION THE SCALE ORMYINGS IN TIE AUGUST/SEPTEMBER 1963 ISSUE OF PROIPESS ARE AMUST! ORLL THE END2A L/32 RIGGING WIRE BUS WITH COFFER E S SOLDER PLY fl/V BALSA 2 SHEET 0 w 0 w w w -J -J Co z -J w N -J -J UTHE FLY BABY IN COFJITlOL-IIIE SCALE /2- DESIGNED DRN INKED BY dove bought CAPPED WITh vieziIe DALSAUIVCAP SmWs* SHEET FEL WING TIP BOWS ARE LAMINATED FROI 3 LATERSOF I/ISK3AV PLANES T~ -iI--OUTBOARDTIP ON UNKAG HERE WIRE TE DOWN & WINS SPRUCE BLOCKS FOR WINGAI/IrPLANKlNG TOP S BOTTOMFOLDING P SCALE 1/21/32 PLY T EMAIN RIB TEMPLATE ALL RIDS 3/32TYPICAL CROSS SECTION 1/2TRIM TO FIT ATTFSADIUSTABLE CLEVIS PIFOT TUBE WHIR DOWEL040 WIRE LYiNG WIRESSEATBOTTOM TO SCALE NOTE 3/32 BRASS N COCKPIT FLOOR EXCEPT UNDER RUDDER PEDALSPAIRINGS PROM MICRO-BALLOONS 600 WET DORYSOLDERBRASS SHINS W EPOXY SANDPAPER TOP STRINGERS S PLANKING OIAlTED ThIN TO CLEAR RUDDER NAP COMPARTMENT FLOOR 8 BACK MOVEMENT VV- - -1 BOtTOM LONGERONSSPRIJCE PUSHROO 2SEE CROSS SECTIONS SUPPORTS SEE SWB PLAN FOR DETAILS B SIZES HEADREST HOLLOW AS SHOWN FROM BALSA BLOCKRUDDER SPAR SECTION AlE WITh BLACK TAPE I/Ge PLY PLANKING ON TOP DECKTYPICAL STAB RUDDER SECTiONSTUBE FOLD SHARPLY ON LIGHT LINESMAP COMPARTMENT 1/32 PLY DOUBLER SPLIT BLACK3/3w BALSA SIDES3/32 K I/4 SPRUCE STREIGERS FUEL LINEI TOP 8 BOTTOM 23/32 50 SIM6 STRUCTURE II 1/32w lY 1 .- NOISeS -fluxIIaI NIH A~ SFIXMt -~Z::y ------.\4iD RUDDER PEDALS.SMALLSPRINGS KI/4SPRUCEBIOCK ALE LBWALKING SEAMIPRIGHTS B CROSS PEICES 3 80135EATS SEATBEIJWHE WRAPSMALL SCREWS EBB SSTICK 81OUETLSEFROM STICK TO ELEY HORNv x itam ALUM SThU ME 7/CUT AND SEND /32 PLY DOUBLER NOTCHED FOR SPARS BALSA FARNOS- 4- FROM VI TACKED CLOTHTOP FORItERB FROM 5/32 SlEETBALSA S MICRO-BALLOONS IHARD ALUM 2144 WHEELS QUAL SPACE StRINGERS p 4 7 A1157 SEE PHOTOS FOR DEPAILS 34567 lEdGE NAP COMPARTMENT DOOR WITH PIN0I25498 WING STRUCTURE PLYWOOD RIBS SPRUCE SPARS ALUM LEADING B TRAILING EDGE SHEETING SPRUCE LAMINATED TIPS WING TIP PINS FIT INTO HOLES IN TOP OF STABILIZER ING WIRES P~DT TUBENY BLUE FELD~ WHITE RED CENTER FLY BABY designed PETE BOWERS drown DAVE HAUCI-IT SPECIFICATIcHS SPAN- 26 CHORD- 46 LENGTH-19 EMITY WEIGHT- 605 lbs GROSS WEIGHT-926 lbs PEFfOWIANCE CRUISE-lID CLIMB SOD FFW LAlNG- 46MPH RANGE 0O MILES POSITION OF FOLDED WING TIEDOWN RINGS AILERON PUSHRODS POSITION GR FOLDED WING HOLES FOR WING TIP PINS ALL WOOD RUDDER STABILIZER WITH ALUM LEADItIG EDGES GAS TANK B GAUGE WELDED TUBE BRAKE PEDALS COLORS FUSELAGE-TRUE BLUE WIIG 8 STAB- BRIGHT YELLOW FIN- YELLOW RUDDER-BLUE VERTICAL STRIPE WITH 7 RED 8 6 WHIlE STRIPES FUSELAGE BAND- WHITE PINSTRIPES 8 RED BAND COCKPIT ARRANGEMENT PRESSJRE 1I SWITCHES 3 OIL TEMP TACH 3 AIRSPEED 161 ALIlMETER CLIMB COMPASS 16LANDING WIRE CARB HEAT f} PRIMER BALL 4 STICK 113 TURNBUCKLE TLE MIXTURE 4 AILERON ELEVATOR PU BAGGAPORMED ALUM CONWSHEADREST DOOR SLOT FOR Ik1LIJL SHOUDE BELT B REAR SPAR FITTINGS ALL FUSELAGE SECTIONS ARE 1/2 SCAt F FUSELAGE STRUCTURE PLYWOOD SIDES SPRUCE STRINGERS ALUM SHEET f~-VINSPECTION BOOXI4 TIRES ENGINE A-65C-BS P CONTINENTAL COCKPIT DETAIL INOT TO SCALE 012 34 56 18910 REPEINCE N CD 0 torn fuselage covered silk nylon simulate real fabric area gets continual abuse prop blown sand sure its well protected Mount engine plan use begin carving cowl blocks fit around it Allow enough clearance around engine free air flow yet retaining good wall thickness cowl finished-sanded fit bike spoke anchors place give entire inside cowl coat epoxy fuel-proof model now ready finish recommend use technique familiar homebuilts have hand-rubbed finishes would best match real Fly Baby Fly Baby pictures painted blue yellow like squadron real Fly Babys out Texas Other colorful examples abound homebuilder magazines Build dummy engine shown plan will find extra amount time will really pay off Begin four Williams Brothers Le Rhone cylin ders Cut down size drawing fit ends match con tour cowling will mount Make glue balsa plywood heads spacers ends cylin ders drill hole mount ing screws Mount cylinders lo cations shown using 4-40 screws blind nuts Add rocker arms spark plugs wires Heat-form four plastic head covers ala canopy forming glue place scoops first cut stiff paper bent shapes shown satisfied what youve created repeat process using thin brass shim stock Paint finished product black epoxy firmly place dummy exhaust stacks made 3/32 diameter solder covered black fuel tubing bent proper shapes Drill required holes fit securely place epoxy Rigging model adds final touch Use solid control line wire throughout best scale effect plans show simple trick simulating required Continued page 92 Reminiscent pre-war WW II era Fly Baby sits awaiting mission Color schemetypical dayis similar real Fly Babys Two bicycle spokes hold cowling Note cooling exit cutouts cowl well scale throttle link engine pushrod Simple gas tank cap adds touch realism Rigging must neatand scale mere two ot wire javelins thethin fore and-aft bracesl hold together place cockpit windscreen present no special problems GRISH AIRCRAFT TYPE PROPELLERS Made hardwood fully carved true helical pitch airfoil ready sanding ALL SIZES INis$700 8 & 10 PITCH20800 RIGHT HAND221000 ROTATION241 aoo 3/8 BORE AT YOUR DEALER USE TO PROPEL AIR CREATE THRUST AND BE PROPELLED BY AIR AT DISCRETION OF THE PURCHASER 2 Blade Tractor 5-3each 5-45%-35/-4304 6-36-4354 7-47-67-8504 8-48-68-8654 9-49-69-7 9-810-410-6854 11-411-611-8$1 12-412-512-6$150 5y3 2 Blade Pusher 5%-4 6-36-4 354 8-6854j 9-610-6$1 3BladeTractor BLADE 5-3 6-36-4504 3BladePusher 6-3504 Made otpolyester llic Aluminum Color boil color7-67-8$1 8-68-8 $125 9-6 10-6 10-4 $150 Pusher 10-6$150 Dave Cook Secretary Star Route Gran CO 80446 Stanley Pfost DDS NSS President 1481 Howell Branch Road Winter Park FL 32789 League Silent Flight Box 39068 Chicago IL 60639 Gordon Pearson LSF President 8232 Earhart Rd South Lyon MI 48178 Fly Baby kinds conditions come confident model yourself Put together organized thorough documentation booklet Use source plans good scale drawing look through homebuilt magazines per tinent photographs Put works nice binder head next contest CL Scale/Gretz continued page 34 pearance doesnt look bad conventional model engine would plane built entirely Sig balsa plywood wing tail surfaces covered silk covered light-weight Silkspan fuselage covered balsa silk entire plane finished Aero-Gloss dope mixed myself match color original plane am presently build ing Sig J-3 Cub same numbers own 1946 J-3 Cub NC 1464N have set plans scale RC model Piper Pawnee Hope build plane next winter flew Pawnee first started Ag flying have 1800 hours PA-25-235 Pawnee way Dick Ruckel Ive become aware Prop Busters Model Airplane Club Cleveland Ohio has very ac tive group CL Scale fliers Dick sent several good sketches ideas have used him peers Coinci dently ideas building spray dump mechanism model crop dusters accompanying drawing self-explanatory Dick also offered some constructive criticism contest judging based experiences competition season fast approaching think thoughts warrant some careful consideration Dicks letter Theres lot comment about too much detail Sport Scale planes local meet rules discarded model cockpit like Dicks Clip Wing Cub went AMA Scale another contest judges protested Clip Wing being AMA Scalehe said wasnt scale enough model rules dont say Dan Pruss Ri 2 Box 490 Plainfield IL 60544 Fly Baby/Haught continued page 33 turnbuckles securing wires same time Cut lengths aluminum tubing shown slip over ends wire form loop ends feed through hole rigging tabs slip tubing over end again crimp tubing hold together Refer pictures plans rig ging points details Dont forget rig rudder stabilizer landing gear axle Fabricate windshield fuel cap tiedowns wing folding pins pitot tube epoxy place Its little details add final score dont over look Well does look ready experience Control Line Scale competition has taught valu able item can take contest circle experience Practice flying 92 Model Aviation PROPELLERS ALL GRISH PROPELLERS ARE ENGINEERED TO TRUE HELICAL PITCH AND AIRFOIL FOR EFFICIENCY AT YOUR DEALER GRISH ST JOHN INDIANA 46373 Close-up shot tail showing scale steerable tailwheel linkage rudder means small-diameter stiff springs Also see Wischers column photographs author
Edition: Model Aviation - 1978/05
Page Numbers: 26, 27, 28, 29, 30, 31, 32, 33, 92
LY BABY sj no introductiop d around horn appealing e sive aircraft Being ali structed easily av riaIs Fly Bal amateur s should b variatior ubble canopie few biplane deler th look trew out huilt designs scale modelin duplicated ion made eal Fly Baby rm view reveals thea flying mode drtment door riggingicture scale interOsu uflts floti p sq ujiding t 22iflR th ir epoxy dry t mm NO OCR TEXT NO OCR TEXT CONSTRUCTION OF SWOLIZER B RUDDER ARE SIMILARA 1/32 K 310 PLY TRAILIM 3/52w SO RIBS sp~s --SMALL HINGES TYP SPRUCE INSERT &I/6 SHEET BALSA CORE ALUM TUBE I/IS-SMALL VECO HORN I32X3/4 SHEET- --3/3 ALUM TUBE RIGHT WING IS THE SAME AS ThE LEFT WING ISBLRI3 IN ONEPEICE 2 THEN INSERTED INTO FUSELAGE jc ER SPARS 3 FROM I/B PLY CUT SMALL NOTCH IN TWO SPARS LARGE NOTCH B LG HOLES IN THItO COCKPIT DETALS SIDE TOP ft SECTIONS . WCAflONS BRASS TURNSUCKLE8 /32 PlY DOLELER 2 ALIGNMENT PLATES7 CARB HEAT 3 FlYING WIRE AITCH FTGe piwi 4 TNROTTLE9 SKID BALL 8 MIXTURE10 FORMER NO2 II 3/32 51 SIDE 12 3/32 PLY DOIMLER I3 FRONT WING SPAR 14 PLY SOCKET IS FULL DEPTH STRINGER 16 SCALE STRUCTURE SEAT SEAT Sm IS #IAP COUP DOOR IS HEADREST 2CL WING FOLD TI 316 50 L EPLYWOOD S SMRS FRONT REAR 3/ SEE PHOTOS POR RIGGING / JA/ELENS DEWLS/ NOTCH TO TIN STRIP- CL CA8LE Ik\121 131 I4 Ill 1213141 FUSELAGE SIDE II VI OIL PRESS NAG SWITCHES7 1/ EXPERIMENTAL NOTiGE UcHOMETERILA ~METER OIL TEIa SS AIRSPEED INDICATORCLIMB 4 5 6 FABRIC ON BOTTO#d -3/32 PL DOUBLER BRASS SHEET SCOOPS ARE CUT TO FIT SOLDERED r -Lfr r-c-I- I-VOFF SET ICOWL BHELDON WITH SincE SPONESTI4OIJGNCOWELTO___ THE ENGIHE MOUNTS EPOXY BOLTS MJTS IN PLACE COWL RETAIN4G NUT B WASHER LY REIN WASHER BRASS SHEET SCOOPS SPARK PLUGS S CABLES PLASTIC CYLINDERS CUT -TO SHAPE SHOWN CAP NOTEHOLESMOLDED PLASTIC CY/ERS 21/2-302 TA 4-40 5043 LINK FOR SCALE BALSA FELERS THROTTLE SOLDERFUEL CAP 11W ALUM TUBE ROCKER AP&6 TO THROTTLE PUENROD EXHAUST INTAJcE TUBES SEE TEXTI WING ROOT SPAR BOTTOM STRINSSTICK ASSEMBlY ENThIY MADE . FROM BRASS SEE TEXT COWL IS BUILT UP OF BLOCKS HOLLOWED I/4SALSASS40R5t2 FOR RIGGINGICOWL SECTIONENGINESSCALE EXHAUST / N N3/3 MUSIC WIRERUDDER PEDALS BRAKE PEDALS I/V BRASS TUBES SOLDER TO AXEL TI4EN FLAtTEN B NOTE ON DOCUMENTATION THE SCALE ORMYINGS IN TIE AUGUST/SEPTEMBER 1963 ISSUE OF PROIPESS ARE AMUST! ORLL THE END2A L/32 RIGGING WIRE BUS WITH COFFER E S SOLDER PLY fl/V BALSA 2 SHEET 0 w 0 w w w -J -J Co z -J w N -J -J UTHE FLY BABY IN COFJITlOL-IIIE SCALE /2- DESIGNED DRN INKED BY dove bought CAPPED WITh vieziIe DALSAUIVCAP SmWs* SHEET FEL WING TIP BOWS ARE LAMINATED FROI 3 LATERSOF I/ISK3AV PLANES T~ -iI--OUTBOARDTIP ON UNKAG HERE WIRE TE DOWN & WINS SPRUCE BLOCKS FOR WINGAI/IrPLANKlNG TOP S BOTTOMFOLDING P SCALE 1/21/32 PLY T EMAIN RIB TEMPLATE ALL RIDS 3/32TYPICAL CROSS SECTION 1/2TRIM TO FIT ATTFSADIUSTABLE CLEVIS PIFOT TUBE WHIR DOWEL040 WIRE LYiNG WIRESSEATBOTTOM TO SCALE NOTE 3/32 BRASS N COCKPIT FLOOR EXCEPT UNDER RUDDER PEDALSPAIRINGS PROM MICRO-BALLOONS 600 WET DORYSOLDERBRASS SHINS W EPOXY SANDPAPER TOP STRINGERS S PLANKING OIAlTED ThIN TO CLEAR RUDDER NAP COMPARTMENT FLOOR 8 BACK MOVEMENT VV- - -1 BOtTOM LONGERONSSPRIJCE PUSHROO 2SEE CROSS SECTIONS SUPPORTS SEE SWB PLAN FOR DETAILS B SIZES HEADREST HOLLOW AS SHOWN FROM BALSA BLOCKRUDDER SPAR SECTION AlE WITh BLACK TAPE I/Ge PLY PLANKING ON TOP DECKTYPICAL STAB RUDDER SECTiONSTUBE FOLD SHARPLY ON LIGHT LINESMAP COMPARTMENT 1/32 PLY DOUBLER SPLIT BLACK3/3w BALSA SIDES3/32 K I/4 SPRUCE STREIGERS FUEL LINEI TOP 8 BOTTOM 23/32 50 SIM6 STRUCTURE II 1/32w lY 1 .- NOISeS -fluxIIaI NIH A~ SFIXMt -~Z::y ------.\4iD RUDDER PEDALS.SMALLSPRINGS KI/4SPRUCEBIOCK ALE LBWALKING SEAMIPRIGHTS B CROSS PEICES 3 80135EATS SEATBEIJWHE WRAPSMALL SCREWS EBB SSTICK 81OUETLSEFROM STICK TO ELEY HORNv x itam ALUM SThU ME 7/CUT AND SEND /32 PLY DOUBLER NOTCHED FOR SPARS BALSA FARNOS- 4- FROM VI TACKED CLOTHTOP FORItERB FROM 5/32 SlEETBALSA S MICRO-BALLOONS IHARD ALUM 2144 WHEELS QUAL SPACE StRINGERS p 4 7 A1157 SEE PHOTOS FOR DEPAILS 34567 lEdGE NAP COMPARTMENT DOOR WITH PIN0I25498 WING STRUCTURE PLYWOOD RIBS SPRUCE SPARS ALUM LEADING B TRAILING EDGE SHEETING SPRUCE LAMINATED TIPS WING TIP PINS FIT INTO HOLES IN TOP OF STABILIZER ING WIRES P~DT TUBENY BLUE FELD~ WHITE RED CENTER FLY BABY designed PETE BOWERS drown DAVE HAUCI-IT SPECIFICATIcHS SPAN- 26 CHORD- 46 LENGTH-19 EMITY WEIGHT- 605 lbs GROSS WEIGHT-926 lbs PEFfOWIANCE CRUISE-lID CLIMB SOD FFW LAlNG- 46MPH RANGE 0O MILES POSITION OF FOLDED WING TIEDOWN RINGS AILERON PUSHRODS POSITION GR FOLDED WING HOLES FOR WING TIP PINS ALL WOOD RUDDER STABILIZER WITH ALUM LEADItIG EDGES GAS TANK B GAUGE WELDED TUBE BRAKE PEDALS COLORS FUSELAGE-TRUE BLUE WIIG 8 STAB- BRIGHT YELLOW FIN- YELLOW RUDDER-BLUE VERTICAL STRIPE WITH 7 RED 8 6 WHIlE STRIPES FUSELAGE BAND- WHITE PINSTRIPES 8 RED BAND COCKPIT ARRANGEMENT PRESSJRE 1I SWITCHES 3 OIL TEMP TACH 3 AIRSPEED 161 ALIlMETER CLIMB COMPASS 16LANDING WIRE CARB HEAT f} PRIMER BALL 4 STICK 113 TURNBUCKLE TLE MIXTURE 4 AILERON ELEVATOR PU BAGGAPORMED ALUM CONWSHEADREST DOOR SLOT FOR Ik1LIJL SHOUDE BELT B REAR SPAR FITTINGS ALL FUSELAGE SECTIONS ARE 1/2 SCAt F FUSELAGE STRUCTURE PLYWOOD SIDES SPRUCE STRINGERS ALUM SHEET f~-VINSPECTION BOOXI4 TIRES ENGINE A-65C-BS P CONTINENTAL COCKPIT DETAIL INOT TO SCALE 012 34 56 18910 REPEINCE N CD 0 torn fuselage covered silk nylon simulate real fabric area gets continual abuse prop blown sand sure its well protected Mount engine plan use begin carving cowl blocks fit around it Allow enough clearance around engine free air flow yet retaining good wall thickness cowl finished-sanded fit bike spoke anchors place give entire inside cowl coat epoxy fuel-proof model now ready finish recommend use technique familiar homebuilts have hand-rubbed finishes would best match real Fly Baby Fly Baby pictures painted blue yellow like squadron real Fly Babys out Texas Other colorful examples abound homebuilder magazines Build dummy engine shown plan will find extra amount time will really pay off Begin four Williams Brothers Le Rhone cylin ders Cut down size drawing fit ends match con tour cowling will mount Make glue balsa plywood heads spacers ends cylin ders drill hole mount ing screws Mount cylinders lo cations shown using 4-40 screws blind nuts Add rocker arms spark plugs wires Heat-form four plastic head covers ala canopy forming glue place scoops first cut stiff paper bent shapes shown satisfied what youve created repeat process using thin brass shim stock Paint finished product black epoxy firmly place dummy exhaust stacks made 3/32 diameter solder covered black fuel tubing bent proper shapes Drill required holes fit securely place epoxy Rigging model adds final touch Use solid control line wire throughout best scale effect plans show simple trick simulating required Continued page 92 Reminiscent pre-war WW II era Fly Baby sits awaiting mission Color schemetypical dayis similar real Fly Babys Two bicycle spokes hold cowling Note cooling exit cutouts cowl well scale throttle link engine pushrod Simple gas tank cap adds touch realism Rigging must neatand scale mere two ot wire javelins thethin fore and-aft bracesl hold together place cockpit windscreen present no special problems GRISH AIRCRAFT TYPE PROPELLERS Made hardwood fully carved true helical pitch airfoil ready sanding ALL SIZES INis$700 8 & 10 PITCH20800 RIGHT HAND221000 ROTATION241 aoo 3/8 BORE AT YOUR DEALER USE TO PROPEL AIR CREATE THRUST AND BE PROPELLED BY AIR AT DISCRETION OF THE PURCHASER 2 Blade Tractor 5-3each 5-45%-35/-4304 6-36-4354 7-47-67-8504 8-48-68-8654 9-49-69-7 9-810-410-6854 11-411-611-8$1 12-412-512-6$150 5y3 2 Blade Pusher 5%-4 6-36-4 354 8-6854j 9-610-6$1 3BladeTractor BLADE 5-3 6-36-4504 3BladePusher 6-3504 Made otpolyester llic Aluminum Color boil color7-67-8$1 8-68-8 $125 9-6 10-6 10-4 $150 Pusher 10-6$150 Dave Cook Secretary Star Route Gran CO 80446 Stanley Pfost DDS NSS President 1481 Howell Branch Road Winter Park FL 32789 League Silent Flight Box 39068 Chicago IL 60639 Gordon Pearson LSF President 8232 Earhart Rd South Lyon MI 48178 Fly Baby kinds conditions come confident model yourself Put together organized thorough documentation booklet Use source plans good scale drawing look through homebuilt magazines per tinent photographs Put works nice binder head next contest CL Scale/Gretz continued page 34 pearance doesnt look bad conventional model engine would plane built entirely Sig balsa plywood wing tail surfaces covered silk covered light-weight Silkspan fuselage covered balsa silk entire plane finished Aero-Gloss dope mixed myself match color original plane am presently build ing Sig J-3 Cub same numbers own 1946 J-3 Cub NC 1464N have set plans scale RC model Piper Pawnee Hope build plane next winter flew Pawnee first started Ag flying have 1800 hours PA-25-235 Pawnee way Dick Ruckel Ive become aware Prop Busters Model Airplane Club Cleveland Ohio has very ac tive group CL Scale fliers Dick sent several good sketches ideas have used him peers Coinci dently ideas building spray dump mechanism model crop dusters accompanying drawing self-explanatory Dick also offered some constructive criticism contest judging based experiences competition season fast approaching think thoughts warrant some careful consideration Dicks letter Theres lot comment about too much detail Sport Scale planes local meet rules discarded model cockpit like Dicks Clip Wing Cub went AMA Scale another contest judges protested Clip Wing being AMA Scalehe said wasnt scale enough model rules dont say Dan Pruss Ri 2 Box 490 Plainfield IL 60544 Fly Baby/Haught continued page 33 turnbuckles securing wires same time Cut lengths aluminum tubing shown slip over ends wire form loop ends feed through hole rigging tabs slip tubing over end again crimp tubing hold together Refer pictures plans rig ging points details Dont forget rig rudder stabilizer landing gear axle Fabricate windshield fuel cap tiedowns wing folding pins pitot tube epoxy place Its little details add final score dont over look Well does look ready experience Control Line Scale competition has taught valu able item can take contest circle experience Practice flying 92 Model Aviation PROPELLERS ALL GRISH PROPELLERS ARE ENGINEERED TO TRUE HELICAL PITCH AND AIRFOIL FOR EFFICIENCY AT YOUR DEALER GRISH ST JOHN INDIANA 46373 Close-up shot tail showing scale steerable tailwheel linkage rudder means small-diameter stiff springs Also see Wischers column photographs author
Edition: Model Aviation - 1978/05
Page Numbers: 26, 27, 28, 29, 30, 31, 32, 33, 92
LY BABY sj no introductiop d around horn appealing e sive aircraft Being ali structed easily av riaIs Fly Bal amateur s should b variatior ubble canopie few biplane deler th look trew out huilt designs scale modelin duplicated ion made eal Fly Baby rm view reveals thea flying mode drtment door riggingicture scale interOsu uflts floti p sq ujiding t 22iflR th ir epoxy dry t mm NO OCR TEXT NO OCR TEXT CONSTRUCTION OF SWOLIZER B RUDDER ARE SIMILARA 1/32 K 310 PLY TRAILIM 3/52w SO RIBS sp~s --SMALL HINGES TYP SPRUCE INSERT &I/6 SHEET BALSA CORE ALUM TUBE I/IS-SMALL VECO HORN I32X3/4 SHEET- --3/3 ALUM TUBE RIGHT WING IS THE SAME AS ThE LEFT WING ISBLRI3 IN ONEPEICE 2 THEN INSERTED INTO FUSELAGE jc ER SPARS 3 FROM I/B PLY CUT SMALL NOTCH IN TWO SPARS LARGE NOTCH B LG HOLES IN THItO COCKPIT DETALS SIDE TOP ft SECTIONS . WCAflONS BRASS TURNSUCKLE8 /32 PlY DOLELER 2 ALIGNMENT PLATES7 CARB HEAT 3 FlYING WIRE AITCH FTGe piwi 4 TNROTTLE9 SKID BALL 8 MIXTURE10 FORMER NO2 II 3/32 51 SIDE 12 3/32 PLY DOIMLER I3 FRONT WING SPAR 14 PLY SOCKET IS FULL DEPTH STRINGER 16 SCALE STRUCTURE SEAT SEAT Sm IS #IAP COUP DOOR IS HEADREST 2CL WING FOLD TI 316 50 L EPLYWOOD S SMRS FRONT REAR 3/ SEE PHOTOS POR RIGGING / JA/ELENS DEWLS/ NOTCH TO TIN STRIP- CL CA8LE Ik\121 131 I4 Ill 1213141 FUSELAGE SIDE II VI OIL PRESS NAG SWITCHES7 1/ EXPERIMENTAL NOTiGE UcHOMETERILA ~METER OIL TEIa SS AIRSPEED INDICATORCLIMB 4 5 6 FABRIC ON BOTTO#d -3/32 PL DOUBLER BRASS SHEET SCOOPS ARE CUT TO FIT SOLDERED r -Lfr r-c-I- I-VOFF SET ICOWL BHELDON WITH SincE SPONESTI4OIJGNCOWELTO___ THE ENGIHE MOUNTS EPOXY BOLTS MJTS IN PLACE COWL RETAIN4G NUT B WASHER LY REIN WASHER BRASS SHEET SCOOPS SPARK PLUGS S CABLES PLASTIC CYLINDERS CUT -TO SHAPE SHOWN CAP NOTEHOLESMOLDED PLASTIC CY/ERS 21/2-302 TA 4-40 5043 LINK FOR SCALE BALSA FELERS THROTTLE SOLDERFUEL CAP 11W ALUM TUBE ROCKER AP&6 TO THROTTLE PUENROD EXHAUST INTAJcE TUBES SEE TEXTI WING ROOT SPAR BOTTOM STRINSSTICK ASSEMBlY ENThIY MADE . FROM BRASS SEE TEXT COWL IS BUILT UP OF BLOCKS HOLLOWED I/4SALSASS40R5t2 FOR RIGGINGICOWL SECTIONENGINESSCALE EXHAUST / N N3/3 MUSIC WIRERUDDER PEDALS BRAKE PEDALS I/V BRASS TUBES SOLDER TO AXEL TI4EN FLAtTEN B NOTE ON DOCUMENTATION THE SCALE ORMYINGS IN TIE AUGUST/SEPTEMBER 1963 ISSUE OF PROIPESS ARE AMUST! ORLL THE END2A L/32 RIGGING WIRE BUS WITH COFFER E S SOLDER PLY fl/V BALSA 2 SHEET 0 w 0 w w w -J -J Co z -J w N -J -J UTHE FLY BABY IN COFJITlOL-IIIE SCALE /2- DESIGNED DRN INKED BY dove bought CAPPED WITh vieziIe DALSAUIVCAP SmWs* SHEET FEL WING TIP BOWS ARE LAMINATED FROI 3 LATERSOF I/ISK3AV PLANES T~ -iI--OUTBOARDTIP ON UNKAG HERE WIRE TE DOWN & WINS SPRUCE BLOCKS FOR WINGAI/IrPLANKlNG TOP S BOTTOMFOLDING P SCALE 1/21/32 PLY T EMAIN RIB TEMPLATE ALL RIDS 3/32TYPICAL CROSS SECTION 1/2TRIM TO FIT ATTFSADIUSTABLE CLEVIS PIFOT TUBE WHIR DOWEL040 WIRE LYiNG WIRESSEATBOTTOM TO SCALE NOTE 3/32 BRASS N COCKPIT FLOOR EXCEPT UNDER RUDDER PEDALSPAIRINGS PROM MICRO-BALLOONS 600 WET DORYSOLDERBRASS SHINS W EPOXY SANDPAPER TOP STRINGERS S PLANKING OIAlTED ThIN TO CLEAR RUDDER NAP COMPARTMENT FLOOR 8 BACK MOVEMENT VV- - -1 BOtTOM LONGERONSSPRIJCE PUSHROO 2SEE CROSS SECTIONS SUPPORTS SEE SWB PLAN FOR DETAILS B SIZES HEADREST HOLLOW AS SHOWN FROM BALSA BLOCKRUDDER SPAR SECTION AlE WITh BLACK TAPE I/Ge PLY PLANKING ON TOP DECKTYPICAL STAB RUDDER SECTiONSTUBE FOLD SHARPLY ON LIGHT LINESMAP COMPARTMENT 1/32 PLY DOUBLER SPLIT BLACK3/3w BALSA SIDES3/32 K I/4 SPRUCE STREIGERS FUEL LINEI TOP 8 BOTTOM 23/32 50 SIM6 STRUCTURE II 1/32w lY 1 .- NOISeS -fluxIIaI NIH A~ SFIXMt -~Z::y ------.\4iD RUDDER PEDALS.SMALLSPRINGS KI/4SPRUCEBIOCK ALE LBWALKING SEAMIPRIGHTS B CROSS PEICES 3 80135EATS SEATBEIJWHE WRAPSMALL SCREWS EBB SSTICK 81OUETLSEFROM STICK TO ELEY HORNv x itam ALUM SThU ME 7/CUT AND SEND /32 PLY DOUBLER NOTCHED FOR SPARS BALSA FARNOS- 4- FROM VI TACKED CLOTHTOP FORItERB FROM 5/32 SlEETBALSA S MICRO-BALLOONS IHARD ALUM 2144 WHEELS QUAL SPACE StRINGERS p 4 7 A1157 SEE PHOTOS FOR DEPAILS 34567 lEdGE NAP COMPARTMENT DOOR WITH PIN0I25498 WING STRUCTURE PLYWOOD RIBS SPRUCE SPARS ALUM LEADING B TRAILING EDGE SHEETING SPRUCE LAMINATED TIPS WING TIP PINS FIT INTO HOLES IN TOP OF STABILIZER ING WIRES P~DT TUBENY BLUE FELD~ WHITE RED CENTER FLY BABY designed PETE BOWERS drown DAVE HAUCI-IT SPECIFICATIcHS SPAN- 26 CHORD- 46 LENGTH-19 EMITY WEIGHT- 605 lbs GROSS WEIGHT-926 lbs PEFfOWIANCE CRUISE-lID CLIMB SOD FFW LAlNG- 46MPH RANGE 0O MILES POSITION OF FOLDED WING TIEDOWN RINGS AILERON PUSHRODS POSITION GR FOLDED WING HOLES FOR WING TIP PINS ALL WOOD RUDDER STABILIZER WITH ALUM LEADItIG EDGES GAS TANK B GAUGE WELDED TUBE BRAKE PEDALS COLORS FUSELAGE-TRUE BLUE WIIG 8 STAB- BRIGHT YELLOW FIN- YELLOW RUDDER-BLUE VERTICAL STRIPE WITH 7 RED 8 6 WHIlE STRIPES FUSELAGE BAND- WHITE PINSTRIPES 8 RED BAND COCKPIT ARRANGEMENT PRESSJRE 1I SWITCHES 3 OIL TEMP TACH 3 AIRSPEED 161 ALIlMETER CLIMB COMPASS 16LANDING WIRE CARB HEAT f} PRIMER BALL 4 STICK 113 TURNBUCKLE TLE MIXTURE 4 AILERON ELEVATOR PU BAGGAPORMED ALUM CONWSHEADREST DOOR SLOT FOR Ik1LIJL SHOUDE BELT B REAR SPAR FITTINGS ALL FUSELAGE SECTIONS ARE 1/2 SCAt F FUSELAGE STRUCTURE PLYWOOD SIDES SPRUCE STRINGERS ALUM SHEET f~-VINSPECTION BOOXI4 TIRES ENGINE A-65C-BS P CONTINENTAL COCKPIT DETAIL INOT TO SCALE 012 34 56 18910 REPEINCE N CD 0 torn fuselage covered silk nylon simulate real fabric area gets continual abuse prop blown sand sure its well protected Mount engine plan use begin carving cowl blocks fit around it Allow enough clearance around engine free air flow yet retaining good wall thickness cowl finished-sanded fit bike spoke anchors place give entire inside cowl coat epoxy fuel-proof model now ready finish recommend use technique familiar homebuilts have hand-rubbed finishes would best match real Fly Baby Fly Baby pictures painted blue yellow like squadron real Fly Babys out Texas Other colorful examples abound homebuilder magazines Build dummy engine shown plan will find extra amount time will really pay off Begin four Williams Brothers Le Rhone cylin ders Cut down size drawing fit ends match con tour cowling will mount Make glue balsa plywood heads spacers ends cylin ders drill hole mount ing screws Mount cylinders lo cations shown using 4-40 screws blind nuts Add rocker arms spark plugs wires Heat-form four plastic head covers ala canopy forming glue place scoops first cut stiff paper bent shapes shown satisfied what youve created repeat process using thin brass shim stock Paint finished product black epoxy firmly place dummy exhaust stacks made 3/32 diameter solder covered black fuel tubing bent proper shapes Drill required holes fit securely place epoxy Rigging model adds final touch Use solid control line wire throughout best scale effect plans show simple trick simulating required Continued page 92 Reminiscent pre-war WW II era Fly Baby sits awaiting mission Color schemetypical dayis similar real Fly Babys Two bicycle spokes hold cowling Note cooling exit cutouts cowl well scale throttle link engine pushrod Simple gas tank cap adds touch realism Rigging must neatand scale mere two ot wire javelins thethin fore and-aft bracesl hold together place cockpit windscreen present no special problems GRISH AIRCRAFT TYPE PROPELLERS Made hardwood fully carved true helical pitch airfoil ready sanding ALL SIZES INis$700 8 & 10 PITCH20800 RIGHT HAND221000 ROTATION241 aoo 3/8 BORE AT YOUR DEALER USE TO PROPEL AIR CREATE THRUST AND BE PROPELLED BY AIR AT DISCRETION OF THE PURCHASER 2 Blade Tractor 5-3each 5-45%-35/-4304 6-36-4354 7-47-67-8504 8-48-68-8654 9-49-69-7 9-810-410-6854 11-411-611-8$1 12-412-512-6$150 5y3 2 Blade Pusher 5%-4 6-36-4 354 8-6854j 9-610-6$1 3BladeTractor BLADE 5-3 6-36-4504 3BladePusher 6-3504 Made otpolyester llic Aluminum Color boil color7-67-8$1 8-68-8 $125 9-6 10-6 10-4 $150 Pusher 10-6$150 Dave Cook Secretary Star Route Gran CO 80446 Stanley Pfost DDS NSS President 1481 Howell Branch Road Winter Park FL 32789 League Silent Flight Box 39068 Chicago IL 60639 Gordon Pearson LSF President 8232 Earhart Rd South Lyon MI 48178 Fly Baby kinds conditions come confident model yourself Put together organized thorough documentation booklet Use source plans good scale drawing look through homebuilt magazines per tinent photographs Put works nice binder head next contest CL Scale/Gretz continued page 34 pearance doesnt look bad conventional model engine would plane built entirely Sig balsa plywood wing tail surfaces covered silk covered light-weight Silkspan fuselage covered balsa silk entire plane finished Aero-Gloss dope mixed myself match color original plane am presently build ing Sig J-3 Cub same numbers own 1946 J-3 Cub NC 1464N have set plans scale RC model Piper Pawnee Hope build plane next winter flew Pawnee first started Ag flying have 1800 hours PA-25-235 Pawnee way Dick Ruckel Ive become aware Prop Busters Model Airplane Club Cleveland Ohio has very ac tive group CL Scale fliers Dick sent several good sketches ideas have used him peers Coinci dently ideas building spray dump mechanism model crop dusters accompanying drawing self-explanatory Dick also offered some constructive criticism contest judging based experiences competition season fast approaching think thoughts warrant some careful consideration Dicks letter Theres lot comment about too much detail Sport Scale planes local meet rules discarded model cockpit like Dicks Clip Wing Cub went AMA Scale another contest judges protested Clip Wing being AMA Scalehe said wasnt scale enough model rules dont say Dan Pruss Ri 2 Box 490 Plainfield IL 60544 Fly Baby/Haught continued page 33 turnbuckles securing wires same time Cut lengths aluminum tubing shown slip over ends wire form loop ends feed through hole rigging tabs slip tubing over end again crimp tubing hold together Refer pictures plans rig ging points details Dont forget rig rudder stabilizer landing gear axle Fabricate windshield fuel cap tiedowns wing folding pins pitot tube epoxy place Its little details add final score dont over look Well does look ready experience Control Line Scale competition has taught valu able item can take contest circle experience Practice flying 92 Model Aviation PROPELLERS ALL GRISH PROPELLERS ARE ENGINEERED TO TRUE HELICAL PITCH AND AIRFOIL FOR EFFICIENCY AT YOUR DEALER GRISH ST JOHN INDIANA 46373 Close-up shot tail showing scale steerable tailwheel linkage rudder means small-diameter stiff springs Also see Wischers column photographs author
Edition: Model Aviation - 1978/05
Page Numbers: 26, 27, 28, 29, 30, 31, 32, 33, 92
LY BABY sj no introductiop d around horn appealing e sive aircraft Being ali structed easily av riaIs Fly Bal amateur s should b variatior ubble canopie few biplane deler th look trew out huilt designs scale modelin duplicated ion made eal Fly Baby rm view reveals thea flying mode drtment door riggingicture scale interOsu uflts floti p sq ujiding t 22iflR th ir epoxy dry t mm NO OCR TEXT NO OCR TEXT CONSTRUCTION OF SWOLIZER B RUDDER ARE SIMILARA 1/32 K 310 PLY TRAILIM 3/52w SO RIBS sp~s --SMALL HINGES TYP SPRUCE INSERT &I/6 SHEET BALSA CORE ALUM TUBE I/IS-SMALL VECO HORN I32X3/4 SHEET- --3/3 ALUM TUBE RIGHT WING IS THE SAME AS ThE LEFT WING ISBLRI3 IN ONEPEICE 2 THEN INSERTED INTO FUSELAGE jc ER SPARS 3 FROM I/B PLY CUT SMALL NOTCH IN TWO SPARS LARGE NOTCH B LG HOLES IN THItO COCKPIT DETALS SIDE TOP ft SECTIONS . WCAflONS BRASS TURNSUCKLE8 /32 PlY DOLELER 2 ALIGNMENT PLATES7 CARB HEAT 3 FlYING WIRE AITCH FTGe piwi 4 TNROTTLE9 SKID BALL 8 MIXTURE10 FORMER NO2 II 3/32 51 SIDE 12 3/32 PLY DOIMLER I3 FRONT WING SPAR 14 PLY SOCKET IS FULL DEPTH STRINGER 16 SCALE STRUCTURE SEAT SEAT Sm IS #IAP COUP DOOR IS HEADREST 2CL WING FOLD TI 316 50 L EPLYWOOD S SMRS FRONT REAR 3/ SEE PHOTOS POR RIGGING / JA/ELENS DEWLS/ NOTCH TO TIN STRIP- CL CA8LE Ik\121 131 I4 Ill 1213141 FUSELAGE SIDE II VI OIL PRESS NAG SWITCHES7 1/ EXPERIMENTAL NOTiGE UcHOMETERILA ~METER OIL TEIa SS AIRSPEED INDICATORCLIMB 4 5 6 FABRIC ON BOTTO#d -3/32 PL DOUBLER BRASS SHEET SCOOPS ARE CUT TO FIT SOLDERED r -Lfr r-c-I- I-VOFF SET ICOWL BHELDON WITH SincE SPONESTI4OIJGNCOWELTO___ THE ENGIHE MOUNTS EPOXY BOLTS MJTS IN PLACE COWL RETAIN4G NUT B WASHER LY REIN WASHER BRASS SHEET SCOOPS SPARK PLUGS S CABLES PLASTIC CYLINDERS CUT -TO SHAPE SHOWN CAP NOTEHOLESMOLDED PLASTIC CY/ERS 21/2-302 TA 4-40 5043 LINK FOR SCALE BALSA FELERS THROTTLE SOLDERFUEL CAP 11W ALUM TUBE ROCKER AP&6 TO THROTTLE PUENROD EXHAUST INTAJcE TUBES SEE TEXTI WING ROOT SPAR BOTTOM STRINSSTICK ASSEMBlY ENThIY MADE . FROM BRASS SEE TEXT COWL IS BUILT UP OF BLOCKS HOLLOWED I/4SALSASS40R5t2 FOR RIGGINGICOWL SECTIONENGINESSCALE EXHAUST / N N3/3 MUSIC WIRERUDDER PEDALS BRAKE PEDALS I/V BRASS TUBES SOLDER TO AXEL TI4EN FLAtTEN B NOTE ON DOCUMENTATION THE SCALE ORMYINGS IN TIE AUGUST/SEPTEMBER 1963 ISSUE OF PROIPESS ARE AMUST! ORLL THE END2A L/32 RIGGING WIRE BUS WITH COFFER E S SOLDER PLY fl/V BALSA 2 SHEET 0 w 0 w w w -J -J Co z -J w N -J -J UTHE FLY BABY IN COFJITlOL-IIIE SCALE /2- DESIGNED DRN INKED BY dove bought CAPPED WITh vieziIe DALSAUIVCAP SmWs* SHEET FEL WING TIP BOWS ARE LAMINATED FROI 3 LATERSOF I/ISK3AV PLANES T~ -iI--OUTBOARDTIP ON UNKAG HERE WIRE TE DOWN & WINS SPRUCE BLOCKS FOR WINGAI/IrPLANKlNG TOP S BOTTOMFOLDING P SCALE 1/21/32 PLY T EMAIN RIB TEMPLATE ALL RIDS 3/32TYPICAL CROSS SECTION 1/2TRIM TO FIT ATTFSADIUSTABLE CLEVIS PIFOT TUBE WHIR DOWEL040 WIRE LYiNG WIRESSEATBOTTOM TO SCALE NOTE 3/32 BRASS N COCKPIT FLOOR EXCEPT UNDER RUDDER PEDALSPAIRINGS PROM MICRO-BALLOONS 600 WET DORYSOLDERBRASS SHINS W EPOXY SANDPAPER TOP STRINGERS S PLANKING OIAlTED ThIN TO CLEAR RUDDER NAP COMPARTMENT FLOOR 8 BACK MOVEMENT VV- - -1 BOtTOM LONGERONSSPRIJCE PUSHROO 2SEE CROSS SECTIONS SUPPORTS SEE SWB PLAN FOR DETAILS B SIZES HEADREST HOLLOW AS SHOWN FROM BALSA BLOCKRUDDER SPAR SECTION AlE WITh BLACK TAPE I/Ge PLY PLANKING ON TOP DECKTYPICAL STAB RUDDER SECTiONSTUBE FOLD SHARPLY ON LIGHT LINESMAP COMPARTMENT 1/32 PLY DOUBLER SPLIT BLACK3/3w BALSA SIDES3/32 K I/4 SPRUCE STREIGERS FUEL LINEI TOP 8 BOTTOM 23/32 50 SIM6 STRUCTURE II 1/32w lY 1 .- NOISeS -fluxIIaI NIH A~ SFIXMt -~Z::y ------.\4iD RUDDER PEDALS.SMALLSPRINGS KI/4SPRUCEBIOCK ALE LBWALKING SEAMIPRIGHTS B CROSS PEICES 3 80135EATS SEATBEIJWHE WRAPSMALL SCREWS EBB SSTICK 81OUETLSEFROM STICK TO ELEY HORNv x itam ALUM SThU ME 7/CUT AND SEND /32 PLY DOUBLER NOTCHED FOR SPARS BALSA FARNOS- 4- FROM VI TACKED CLOTHTOP FORItERB FROM 5/32 SlEETBALSA S MICRO-BALLOONS IHARD ALUM 2144 WHEELS QUAL SPACE StRINGERS p 4 7 A1157 SEE PHOTOS FOR DEPAILS 34567 lEdGE NAP COMPARTMENT DOOR WITH PIN0I25498 WING STRUCTURE PLYWOOD RIBS SPRUCE SPARS ALUM LEADING B TRAILING EDGE SHEETING SPRUCE LAMINATED TIPS WING TIP PINS FIT INTO HOLES IN TOP OF STABILIZER ING WIRES P~DT TUBENY BLUE FELD~ WHITE RED CENTER FLY BABY designed PETE BOWERS drown DAVE HAUCI-IT SPECIFICATIcHS SPAN- 26 CHORD- 46 LENGTH-19 EMITY WEIGHT- 605 lbs GROSS WEIGHT-926 lbs PEFfOWIANCE CRUISE-lID CLIMB SOD FFW LAlNG- 46MPH RANGE 0O MILES POSITION OF FOLDED WING TIEDOWN RINGS AILERON PUSHRODS POSITION GR FOLDED WING HOLES FOR WING TIP PINS ALL WOOD RUDDER STABILIZER WITH ALUM LEADItIG EDGES GAS TANK B GAUGE WELDED TUBE BRAKE PEDALS COLORS FUSELAGE-TRUE BLUE WIIG 8 STAB- BRIGHT YELLOW FIN- YELLOW RUDDER-BLUE VERTICAL STRIPE WITH 7 RED 8 6 WHIlE STRIPES FUSELAGE BAND- WHITE PINSTRIPES 8 RED BAND COCKPIT ARRANGEMENT PRESSJRE 1I SWITCHES 3 OIL TEMP TACH 3 AIRSPEED 161 ALIlMETER CLIMB COMPASS 16LANDING WIRE CARB HEAT f} PRIMER BALL 4 STICK 113 TURNBUCKLE TLE MIXTURE 4 AILERON ELEVATOR PU BAGGAPORMED ALUM CONWSHEADREST DOOR SLOT FOR Ik1LIJL SHOUDE BELT B REAR SPAR FITTINGS ALL FUSELAGE SECTIONS ARE 1/2 SCAt F FUSELAGE STRUCTURE PLYWOOD SIDES SPRUCE STRINGERS ALUM SHEET f~-VINSPECTION BOOXI4 TIRES ENGINE A-65C-BS P CONTINENTAL COCKPIT DETAIL INOT TO SCALE 012 34 56 18910 REPEINCE N CD 0 torn fuselage covered silk nylon simulate real fabric area gets continual abuse prop blown sand sure its well protected Mount engine plan use begin carving cowl blocks fit around it Allow enough clearance around engine free air flow yet retaining good wall thickness cowl finished-sanded fit bike spoke anchors place give entire inside cowl coat epoxy fuel-proof model now ready finish recommend use technique familiar homebuilts have hand-rubbed finishes would best match real Fly Baby Fly Baby pictures painted blue yellow like squadron real Fly Babys out Texas Other colorful examples abound homebuilder magazines Build dummy engine shown plan will find extra amount time will really pay off Begin four Williams Brothers Le Rhone cylin ders Cut down size drawing fit ends match con tour cowling will mount Make glue balsa plywood heads spacers ends cylin ders drill hole mount ing screws Mount cylinders lo cations shown using 4-40 screws blind nuts Add rocker arms spark plugs wires Heat-form four plastic head covers ala canopy forming glue place scoops first cut stiff paper bent shapes shown satisfied what youve created repeat process using thin brass shim stock Paint finished product black epoxy firmly place dummy exhaust stacks made 3/32 diameter solder covered black fuel tubing bent proper shapes Drill required holes fit securely place epoxy Rigging model adds final touch Use solid control line wire throughout best scale effect plans show simple trick simulating required Continued page 92 Reminiscent pre-war WW II era Fly Baby sits awaiting mission Color schemetypical dayis similar real Fly Babys Two bicycle spokes hold cowling Note cooling exit cutouts cowl well scale throttle link engine pushrod Simple gas tank cap adds touch realism Rigging must neatand scale mere two ot wire javelins thethin fore and-aft bracesl hold together place cockpit windscreen present no special problems GRISH AIRCRAFT TYPE PROPELLERS Made hardwood fully carved true helical pitch airfoil ready sanding ALL SIZES INis$700 8 & 10 PITCH20800 RIGHT HAND221000 ROTATION241 aoo 3/8 BORE AT YOUR DEALER USE TO PROPEL AIR CREATE THRUST AND BE PROPELLED BY AIR AT DISCRETION OF THE PURCHASER 2 Blade Tractor 5-3each 5-45%-35/-4304 6-36-4354 7-47-67-8504 8-48-68-8654 9-49-69-7 9-810-410-6854 11-411-611-8$1 12-412-512-6$150 5y3 2 Blade Pusher 5%-4 6-36-4 354 8-6854j 9-610-6$1 3BladeTractor BLADE 5-3 6-36-4504 3BladePusher 6-3504 Made otpolyester llic Aluminum Color boil color7-67-8$1 8-68-8 $125 9-6 10-6 10-4 $150 Pusher 10-6$150 Dave Cook Secretary Star Route Gran CO 80446 Stanley Pfost DDS NSS President 1481 Howell Branch Road Winter Park FL 32789 League Silent Flight Box 39068 Chicago IL 60639 Gordon Pearson LSF President 8232 Earhart Rd South Lyon MI 48178 Fly Baby kinds conditions come confident model yourself Put together organized thorough documentation booklet Use source plans good scale drawing look through homebuilt magazines per tinent photographs Put works nice binder head next contest CL Scale/Gretz continued page 34 pearance doesnt look bad conventional model engine would plane built entirely Sig balsa plywood wing tail surfaces covered silk covered light-weight Silkspan fuselage covered balsa silk entire plane finished Aero-Gloss dope mixed myself match color original plane am presently build ing Sig J-3 Cub same numbers own 1946 J-3 Cub NC 1464N have set plans scale RC model Piper Pawnee Hope build plane next winter flew Pawnee first started Ag flying have 1800 hours PA-25-235 Pawnee way Dick Ruckel Ive become aware Prop Busters Model Airplane Club Cleveland Ohio has very ac tive group CL Scale fliers Dick sent several good sketches ideas have used him peers Coinci dently ideas building spray dump mechanism model crop dusters accompanying drawing self-explanatory Dick also offered some constructive criticism contest judging based experiences competition season fast approaching think thoughts warrant some careful consideration Dicks letter Theres lot comment about too much detail Sport Scale planes local meet rules discarded model cockpit like Dicks Clip Wing Cub went AMA Scale another contest judges protested Clip Wing being AMA Scalehe said wasnt scale enough model rules dont say Dan Pruss Ri 2 Box 490 Plainfield IL 60544 Fly Baby/Haught continued page 33 turnbuckles securing wires same time Cut lengths aluminum tubing shown slip over ends wire form loop ends feed through hole rigging tabs slip tubing over end again crimp tubing hold together Refer pictures plans rig ging points details Dont forget rig rudder stabilizer landing gear axle Fabricate windshield fuel cap tiedowns wing folding pins pitot tube epoxy place Its little details add final score dont over look Well does look ready experience Control Line Scale competition has taught valu able item can take contest circle experience Practice flying 92 Model Aviation PROPELLERS ALL GRISH PROPELLERS ARE ENGINEERED TO TRUE HELICAL PITCH AND AIRFOIL FOR EFFICIENCY AT YOUR DEALER GRISH ST JOHN INDIANA 46373 Close-up shot tail showing scale steerable tailwheel linkage rudder means small-diameter stiff springs Also see Wischers column photographs author
Edition: Model Aviation - 1978/05
Page Numbers: 26, 27, 28, 29, 30, 31, 32, 33, 92
LY BABY sj no introductiop d around horn appealing e sive aircraft Being ali structed easily av riaIs Fly Bal amateur s should b variatior ubble canopie few biplane deler th look trew out huilt designs scale modelin duplicated ion made eal Fly Baby rm view reveals thea flying mode drtment door riggingicture scale interOsu uflts floti p sq ujiding t 22iflR th ir epoxy dry t mm NO OCR TEXT NO OCR TEXT CONSTRUCTION OF SWOLIZER B RUDDER ARE SIMILARA 1/32 K 310 PLY TRAILIM 3/52w SO RIBS sp~s --SMALL HINGES TYP SPRUCE INSERT &I/6 SHEET BALSA CORE ALUM TUBE I/IS-SMALL VECO HORN I32X3/4 SHEET- --3/3 ALUM TUBE RIGHT WING IS THE SAME AS ThE LEFT WING ISBLRI3 IN ONEPEICE 2 THEN INSERTED INTO FUSELAGE jc ER SPARS 3 FROM I/B PLY CUT SMALL NOTCH IN TWO SPARS LARGE NOTCH B LG HOLES IN THItO COCKPIT DETALS SIDE TOP ft SECTIONS . WCAflONS BRASS TURNSUCKLE8 /32 PlY DOLELER 2 ALIGNMENT PLATES7 CARB HEAT 3 FlYING WIRE AITCH FTGe piwi 4 TNROTTLE9 SKID BALL 8 MIXTURE10 FORMER NO2 II 3/32 51 SIDE 12 3/32 PLY DOIMLER I3 FRONT WING SPAR 14 PLY SOCKET IS FULL DEPTH STRINGER 16 SCALE STRUCTURE SEAT SEAT Sm IS #IAP COUP DOOR IS HEADREST 2CL WING FOLD TI 316 50 L EPLYWOOD S SMRS FRONT REAR 3/ SEE PHOTOS POR RIGGING / JA/ELENS DEWLS/ NOTCH TO TIN STRIP- CL CA8LE Ik\121 131 I4 Ill 1213141 FUSELAGE SIDE II VI OIL PRESS NAG SWITCHES7 1/ EXPERIMENTAL NOTiGE UcHOMETERILA ~METER OIL TEIa SS AIRSPEED INDICATORCLIMB 4 5 6 FABRIC ON BOTTO#d -3/32 PL DOUBLER BRASS SHEET SCOOPS ARE CUT TO FIT SOLDERED r -Lfr r-c-I- I-VOFF SET ICOWL BHELDON WITH SincE SPONESTI4OIJGNCOWELTO___ THE ENGIHE MOUNTS EPOXY BOLTS MJTS IN PLACE COWL RETAIN4G NUT B WASHER LY REIN WASHER BRASS SHEET SCOOPS SPARK PLUGS S CABLES PLASTIC CYLINDERS CUT -TO SHAPE SHOWN CAP NOTEHOLESMOLDED PLASTIC CY/ERS 21/2-302 TA 4-40 5043 LINK FOR SCALE BALSA FELERS THROTTLE SOLDERFUEL CAP 11W ALUM TUBE ROCKER AP&6 TO THROTTLE PUENROD EXHAUST INTAJcE TUBES SEE TEXTI WING ROOT SPAR BOTTOM STRINSSTICK ASSEMBlY ENThIY MADE . FROM BRASS SEE TEXT COWL IS BUILT UP OF BLOCKS HOLLOWED I/4SALSASS40R5t2 FOR RIGGINGICOWL SECTIONENGINESSCALE EXHAUST / N N3/3 MUSIC WIRERUDDER PEDALS BRAKE PEDALS I/V BRASS TUBES SOLDER TO AXEL TI4EN FLAtTEN B NOTE ON DOCUMENTATION THE SCALE ORMYINGS IN TIE AUGUST/SEPTEMBER 1963 ISSUE OF PROIPESS ARE AMUST! ORLL THE END2A L/32 RIGGING WIRE BUS WITH COFFER E S SOLDER PLY fl/V BALSA 2 SHEET 0 w 0 w w w -J -J Co z -J w N -J -J UTHE FLY BABY IN COFJITlOL-IIIE SCALE /2- DESIGNED DRN INKED BY dove bought CAPPED WITh vieziIe DALSAUIVCAP SmWs* SHEET FEL WING TIP BOWS ARE LAMINATED FROI 3 LATERSOF I/ISK3AV PLANES T~ -iI--OUTBOARDTIP ON UNKAG HERE WIRE TE DOWN & WINS SPRUCE BLOCKS FOR WINGAI/IrPLANKlNG TOP S BOTTOMFOLDING P SCALE 1/21/32 PLY T EMAIN RIB TEMPLATE ALL RIDS 3/32TYPICAL CROSS SECTION 1/2TRIM TO FIT ATTFSADIUSTABLE CLEVIS PIFOT TUBE WHIR DOWEL040 WIRE LYiNG WIRESSEATBOTTOM TO SCALE NOTE 3/32 BRASS N COCKPIT FLOOR EXCEPT UNDER RUDDER PEDALSPAIRINGS PROM MICRO-BALLOONS 600 WET DORYSOLDERBRASS SHINS W EPOXY SANDPAPER TOP STRINGERS S PLANKING OIAlTED ThIN TO CLEAR RUDDER NAP COMPARTMENT FLOOR 8 BACK MOVEMENT VV- - -1 BOtTOM LONGERONSSPRIJCE PUSHROO 2SEE CROSS SECTIONS SUPPORTS SEE SWB PLAN FOR DETAILS B SIZES HEADREST HOLLOW AS SHOWN FROM BALSA BLOCKRUDDER SPAR SECTION AlE WITh BLACK TAPE I/Ge PLY PLANKING ON TOP DECKTYPICAL STAB RUDDER SECTiONSTUBE FOLD SHARPLY ON LIGHT LINESMAP COMPARTMENT 1/32 PLY DOUBLER SPLIT BLACK3/3w BALSA SIDES3/32 K I/4 SPRUCE STREIGERS FUEL LINEI TOP 8 BOTTOM 23/32 50 SIM6 STRUCTURE II 1/32w lY 1 .- NOISeS -fluxIIaI NIH A~ SFIXMt -~Z::y ------.\4iD RUDDER PEDALS.SMALLSPRINGS KI/4SPRUCEBIOCK ALE LBWALKING SEAMIPRIGHTS B CROSS PEICES 3 80135EATS SEATBEIJWHE WRAPSMALL SCREWS EBB SSTICK 81OUETLSEFROM STICK TO ELEY HORNv x itam ALUM SThU ME 7/CUT AND SEND /32 PLY DOUBLER NOTCHED FOR SPARS BALSA FARNOS- 4- FROM VI TACKED CLOTHTOP FORItERB FROM 5/32 SlEETBALSA S MICRO-BALLOONS IHARD ALUM 2144 WHEELS QUAL SPACE StRINGERS p 4 7 A1157 SEE PHOTOS FOR DEPAILS 34567 lEdGE NAP COMPARTMENT DOOR WITH PIN0I25498 WING STRUCTURE PLYWOOD RIBS SPRUCE SPARS ALUM LEADING B TRAILING EDGE SHEETING SPRUCE LAMINATED TIPS WING TIP PINS FIT INTO HOLES IN TOP OF STABILIZER ING WIRES P~DT TUBENY BLUE FELD~ WHITE RED CENTER FLY BABY designed PETE BOWERS drown DAVE HAUCI-IT SPECIFICATIcHS SPAN- 26 CHORD- 46 LENGTH-19 EMITY WEIGHT- 605 lbs GROSS WEIGHT-926 lbs PEFfOWIANCE CRUISE-lID CLIMB SOD FFW LAlNG- 46MPH RANGE 0O MILES POSITION OF FOLDED WING TIEDOWN RINGS AILERON PUSHRODS POSITION GR FOLDED WING HOLES FOR WING TIP PINS ALL WOOD RUDDER STABILIZER WITH ALUM LEADItIG EDGES GAS TANK B GAUGE WELDED TUBE BRAKE PEDALS COLORS FUSELAGE-TRUE BLUE WIIG 8 STAB- BRIGHT YELLOW FIN- YELLOW RUDDER-BLUE VERTICAL STRIPE WITH 7 RED 8 6 WHIlE STRIPES FUSELAGE BAND- WHITE PINSTRIPES 8 RED BAND COCKPIT ARRANGEMENT PRESSJRE 1I SWITCHES 3 OIL TEMP TACH 3 AIRSPEED 161 ALIlMETER CLIMB COMPASS 16LANDING WIRE CARB HEAT f} PRIMER BALL 4 STICK 113 TURNBUCKLE TLE MIXTURE 4 AILERON ELEVATOR PU BAGGAPORMED ALUM CONWSHEADREST DOOR SLOT FOR Ik1LIJL SHOUDE BELT B REAR SPAR FITTINGS ALL FUSELAGE SECTIONS ARE 1/2 SCAt F FUSELAGE STRUCTURE PLYWOOD SIDES SPRUCE STRINGERS ALUM SHEET f~-VINSPECTION BOOXI4 TIRES ENGINE A-65C-BS P CONTINENTAL COCKPIT DETAIL INOT TO SCALE 012 34 56 18910 REPEINCE N CD 0 torn fuselage covered silk nylon simulate real fabric area gets continual abuse prop blown sand sure its well protected Mount engine plan use begin carving cowl blocks fit around it Allow enough clearance around engine free air flow yet retaining good wall thickness cowl finished-sanded fit bike spoke anchors place give entire inside cowl coat epoxy fuel-proof model now ready finish recommend use technique familiar homebuilts have hand-rubbed finishes would best match real Fly Baby Fly Baby pictures painted blue yellow like squadron real Fly Babys out Texas Other colorful examples abound homebuilder magazines Build dummy engine shown plan will find extra amount time will really pay off Begin four Williams Brothers Le Rhone cylin ders Cut down size drawing fit ends match con tour cowling will mount Make glue balsa plywood heads spacers ends cylin ders drill hole mount ing screws Mount cylinders lo cations shown using 4-40 screws blind nuts Add rocker arms spark plugs wires Heat-form four plastic head covers ala canopy forming glue place scoops first cut stiff paper bent shapes shown satisfied what youve created repeat process using thin brass shim stock Paint finished product black epoxy firmly place dummy exhaust stacks made 3/32 diameter solder covered black fuel tubing bent proper shapes Drill required holes fit securely place epoxy Rigging model adds final touch Use solid control line wire throughout best scale effect plans show simple trick simulating required Continued page 92 Reminiscent pre-war WW II era Fly Baby sits awaiting mission Color schemetypical dayis similar real Fly Babys Two bicycle spokes hold cowling Note cooling exit cutouts cowl well scale throttle link engine pushrod Simple gas tank cap adds touch realism Rigging must neatand scale mere two ot wire javelins thethin fore and-aft bracesl hold together place cockpit windscreen present no special problems GRISH AIRCRAFT TYPE PROPELLERS Made hardwood fully carved true helical pitch airfoil ready sanding ALL SIZES INis$700 8 & 10 PITCH20800 RIGHT HAND221000 ROTATION241 aoo 3/8 BORE AT YOUR DEALER USE TO PROPEL AIR CREATE THRUST AND BE PROPELLED BY AIR AT DISCRETION OF THE PURCHASER 2 Blade Tractor 5-3each 5-45%-35/-4304 6-36-4354 7-47-67-8504 8-48-68-8654 9-49-69-7 9-810-410-6854 11-411-611-8$1 12-412-512-6$150 5y3 2 Blade Pusher 5%-4 6-36-4 354 8-6854j 9-610-6$1 3BladeTractor BLADE 5-3 6-36-4504 3BladePusher 6-3504 Made otpolyester llic Aluminum Color boil color7-67-8$1 8-68-8 $125 9-6 10-6 10-4 $150 Pusher 10-6$150 Dave Cook Secretary Star Route Gran CO 80446 Stanley Pfost DDS NSS President 1481 Howell Branch Road Winter Park FL 32789 League Silent Flight Box 39068 Chicago IL 60639 Gordon Pearson LSF President 8232 Earhart Rd South Lyon MI 48178 Fly Baby kinds conditions come confident model yourself Put together organized thorough documentation booklet Use source plans good scale drawing look through homebuilt magazines per tinent photographs Put works nice binder head next contest CL Scale/Gretz continued page 34 pearance doesnt look bad conventional model engine would plane built entirely Sig balsa plywood wing tail surfaces covered silk covered light-weight Silkspan fuselage covered balsa silk entire plane finished Aero-Gloss dope mixed myself match color original plane am presently build ing Sig J-3 Cub same numbers own 1946 J-3 Cub NC 1464N have set plans scale RC model Piper Pawnee Hope build plane next winter flew Pawnee first started Ag flying have 1800 hours PA-25-235 Pawnee way Dick Ruckel Ive become aware Prop Busters Model Airplane Club Cleveland Ohio has very ac tive group CL Scale fliers Dick sent several good sketches ideas have used him peers Coinci dently ideas building spray dump mechanism model crop dusters accompanying drawing self-explanatory Dick also offered some constructive criticism contest judging based experiences competition season fast approaching think thoughts warrant some careful consideration Dicks letter Theres lot comment about too much detail Sport Scale planes local meet rules discarded model cockpit like Dicks Clip Wing Cub went AMA Scale another contest judges protested Clip Wing being AMA Scalehe said wasnt scale enough model rules dont say Dan Pruss Ri 2 Box 490 Plainfield IL 60544 Fly Baby/Haught continued page 33 turnbuckles securing wires same time Cut lengths aluminum tubing shown slip over ends wire form loop ends feed through hole rigging tabs slip tubing over end again crimp tubing hold together Refer pictures plans rig ging points details Dont forget rig rudder stabilizer landing gear axle Fabricate windshield fuel cap tiedowns wing folding pins pitot tube epoxy place Its little details add final score dont over look Well does look ready experience Control Line Scale competition has taught valu able item can take contest circle experience Practice flying 92 Model Aviation PROPELLERS ALL GRISH PROPELLERS ARE ENGINEERED TO TRUE HELICAL PITCH AND AIRFOIL FOR EFFICIENCY AT YOUR DEALER GRISH ST JOHN INDIANA 46373 Close-up shot tail showing scale steerable tailwheel linkage rudder means small-diameter stiff springs Also see Wischers column photographs author
Edition: Model Aviation - 1978/05
Page Numbers: 26, 27, 28, 29, 30, 31, 32, 33, 92
LY BABY sj no introductiop d around horn appealing e sive aircraft Being ali structed easily av riaIs Fly Bal amateur s should b variatior ubble canopie few biplane deler th look trew out huilt designs scale modelin duplicated ion made eal Fly Baby rm view reveals thea flying mode drtment door riggingicture scale interOsu uflts floti p sq ujiding t 22iflR th ir epoxy dry t mm NO OCR TEXT NO OCR TEXT CONSTRUCTION OF SWOLIZER B RUDDER ARE SIMILARA 1/32 K 310 PLY TRAILIM 3/52w SO RIBS sp~s --SMALL HINGES TYP SPRUCE INSERT &I/6 SHEET BALSA CORE ALUM TUBE I/IS-SMALL VECO HORN I32X3/4 SHEET- --3/3 ALUM TUBE RIGHT WING IS THE SAME AS ThE LEFT WING ISBLRI3 IN ONEPEICE 2 THEN INSERTED INTO FUSELAGE jc ER SPARS 3 FROM I/B PLY CUT SMALL NOTCH IN TWO SPARS LARGE NOTCH B LG HOLES IN THItO COCKPIT DETALS SIDE TOP ft SECTIONS . WCAflONS BRASS TURNSUCKLE8 /32 PlY DOLELER 2 ALIGNMENT PLATES7 CARB HEAT 3 FlYING WIRE AITCH FTGe piwi 4 TNROTTLE9 SKID BALL 8 MIXTURE10 FORMER NO2 II 3/32 51 SIDE 12 3/32 PLY DOIMLER I3 FRONT WING SPAR 14 PLY SOCKET IS FULL DEPTH STRINGER 16 SCALE STRUCTURE SEAT SEAT Sm IS #IAP COUP DOOR IS HEADREST 2CL WING FOLD TI 316 50 L EPLYWOOD S SMRS FRONT REAR 3/ SEE PHOTOS POR RIGGING / JA/ELENS DEWLS/ NOTCH TO TIN STRIP- CL CA8LE Ik\121 131 I4 Ill 1213141 FUSELAGE SIDE II VI OIL PRESS NAG SWITCHES7 1/ EXPERIMENTAL NOTiGE UcHOMETERILA ~METER OIL TEIa SS AIRSPEED INDICATORCLIMB 4 5 6 FABRIC ON BOTTO#d -3/32 PL DOUBLER BRASS SHEET SCOOPS ARE CUT TO FIT SOLDERED r -Lfr r-c-I- I-VOFF SET ICOWL BHELDON WITH SincE SPONESTI4OIJGNCOWELTO___ THE ENGIHE MOUNTS EPOXY BOLTS MJTS IN PLACE COWL RETAIN4G NUT B WASHER LY REIN WASHER BRASS SHEET SCOOPS SPARK PLUGS S CABLES PLASTIC CYLINDERS CUT -TO SHAPE SHOWN CAP NOTEHOLESMOLDED PLASTIC CY/ERS 21/2-302 TA 4-40 5043 LINK FOR SCALE BALSA FELERS THROTTLE SOLDERFUEL CAP 11W ALUM TUBE ROCKER AP&6 TO THROTTLE PUENROD EXHAUST INTAJcE TUBES SEE TEXTI WING ROOT SPAR BOTTOM STRINSSTICK ASSEMBlY ENThIY MADE . FROM BRASS SEE TEXT COWL IS BUILT UP OF BLOCKS HOLLOWED I/4SALSASS40R5t2 FOR RIGGINGICOWL SECTIONENGINESSCALE EXHAUST / N N3/3 MUSIC WIRERUDDER PEDALS BRAKE PEDALS I/V BRASS TUBES SOLDER TO AXEL TI4EN FLAtTEN B NOTE ON DOCUMENTATION THE SCALE ORMYINGS IN TIE AUGUST/SEPTEMBER 1963 ISSUE OF PROIPESS ARE AMUST! ORLL THE END2A L/32 RIGGING WIRE BUS WITH COFFER E S SOLDER PLY fl/V BALSA 2 SHEET 0 w 0 w w w -J -J Co z -J w N -J -J UTHE FLY BABY IN COFJITlOL-IIIE SCALE /2- DESIGNED DRN INKED BY dove bought CAPPED WITh vieziIe DALSAUIVCAP SmWs* SHEET FEL WING TIP BOWS ARE LAMINATED FROI 3 LATERSOF I/ISK3AV PLANES T~ -iI--OUTBOARDTIP ON UNKAG HERE WIRE TE DOWN & WINS SPRUCE BLOCKS FOR WINGAI/IrPLANKlNG TOP S BOTTOMFOLDING P SCALE 1/21/32 PLY T EMAIN RIB TEMPLATE ALL RIDS 3/32TYPICAL CROSS SECTION 1/2TRIM TO FIT ATTFSADIUSTABLE CLEVIS PIFOT TUBE WHIR DOWEL040 WIRE LYiNG WIRESSEATBOTTOM TO SCALE NOTE 3/32 BRASS N COCKPIT FLOOR EXCEPT UNDER RUDDER PEDALSPAIRINGS PROM MICRO-BALLOONS 600 WET DORYSOLDERBRASS SHINS W EPOXY SANDPAPER TOP STRINGERS S PLANKING OIAlTED ThIN TO CLEAR RUDDER NAP COMPARTMENT FLOOR 8 BACK MOVEMENT VV- - -1 BOtTOM LONGERONSSPRIJCE PUSHROO 2SEE CROSS SECTIONS SUPPORTS SEE SWB PLAN FOR DETAILS B SIZES HEADREST HOLLOW AS SHOWN FROM BALSA BLOCKRUDDER SPAR SECTION AlE WITh BLACK TAPE I/Ge PLY PLANKING ON TOP DECKTYPICAL STAB RUDDER SECTiONSTUBE FOLD SHARPLY ON LIGHT LINESMAP COMPARTMENT 1/32 PLY DOUBLER SPLIT BLACK3/3w BALSA SIDES3/32 K I/4 SPRUCE STREIGERS FUEL LINEI TOP 8 BOTTOM 23/32 50 SIM6 STRUCTURE II 1/32w lY 1 .- NOISeS -fluxIIaI NIH A~ SFIXMt -~Z::y ------.\4iD RUDDER PEDALS.SMALLSPRINGS KI/4SPRUCEBIOCK ALE LBWALKING SEAMIPRIGHTS B CROSS PEICES 3 80135EATS SEATBEIJWHE WRAPSMALL SCREWS EBB SSTICK 81OUETLSEFROM STICK TO ELEY HORNv x itam ALUM SThU ME 7/CUT AND SEND /32 PLY DOUBLER NOTCHED FOR SPARS BALSA FARNOS- 4- FROM VI TACKED CLOTHTOP FORItERB FROM 5/32 SlEETBALSA S MICRO-BALLOONS IHARD ALUM 2144 WHEELS QUAL SPACE StRINGERS p 4 7 A1157 SEE PHOTOS FOR DEPAILS 34567 lEdGE NAP COMPARTMENT DOOR WITH PIN0I25498 WING STRUCTURE PLYWOOD RIBS SPRUCE SPARS ALUM LEADING B TRAILING EDGE SHEETING SPRUCE LAMINATED TIPS WING TIP PINS FIT INTO HOLES IN TOP OF STABILIZER ING WIRES P~DT TUBENY BLUE FELD~ WHITE RED CENTER FLY BABY designed PETE BOWERS drown DAVE HAUCI-IT SPECIFICATIcHS SPAN- 26 CHORD- 46 LENGTH-19 EMITY WEIGHT- 605 lbs GROSS WEIGHT-926 lbs PEFfOWIANCE CRUISE-lID CLIMB SOD FFW LAlNG- 46MPH RANGE 0O MILES POSITION OF FOLDED WING TIEDOWN RINGS AILERON PUSHRODS POSITION GR FOLDED WING HOLES FOR WING TIP PINS ALL WOOD RUDDER STABILIZER WITH ALUM LEADItIG EDGES GAS TANK B GAUGE WELDED TUBE BRAKE PEDALS COLORS FUSELAGE-TRUE BLUE WIIG 8 STAB- BRIGHT YELLOW FIN- YELLOW RUDDER-BLUE VERTICAL STRIPE WITH 7 RED 8 6 WHIlE STRIPES FUSELAGE BAND- WHITE PINSTRIPES 8 RED BAND COCKPIT ARRANGEMENT PRESSJRE 1I SWITCHES 3 OIL TEMP TACH 3 AIRSPEED 161 ALIlMETER CLIMB COMPASS 16LANDING WIRE CARB HEAT f} PRIMER BALL 4 STICK 113 TURNBUCKLE TLE MIXTURE 4 AILERON ELEVATOR PU BAGGAPORMED ALUM CONWSHEADREST DOOR SLOT FOR Ik1LIJL SHOUDE BELT B REAR SPAR FITTINGS ALL FUSELAGE SECTIONS ARE 1/2 SCAt F FUSELAGE STRUCTURE PLYWOOD SIDES SPRUCE STRINGERS ALUM SHEET f~-VINSPECTION BOOXI4 TIRES ENGINE A-65C-BS P CONTINENTAL COCKPIT DETAIL INOT TO SCALE 012 34 56 18910 REPEINCE N CD 0 torn fuselage covered silk nylon simulate real fabric area gets continual abuse prop blown sand sure its well protected Mount engine plan use begin carving cowl blocks fit around it Allow enough clearance around engine free air flow yet retaining good wall thickness cowl finished-sanded fit bike spoke anchors place give entire inside cowl coat epoxy fuel-proof model now ready finish recommend use technique familiar homebuilts have hand-rubbed finishes would best match real Fly Baby Fly Baby pictures painted blue yellow like squadron real Fly Babys out Texas Other colorful examples abound homebuilder magazines Build dummy engine shown plan will find extra amount time will really pay off Begin four Williams Brothers Le Rhone cylin ders Cut down size drawing fit ends match con tour cowling will mount Make glue balsa plywood heads spacers ends cylin ders drill hole mount ing screws Mount cylinders lo cations shown using 4-40 screws blind nuts Add rocker arms spark plugs wires Heat-form four plastic head covers ala canopy forming glue place scoops first cut stiff paper bent shapes shown satisfied what youve created repeat process using thin brass shim stock Paint finished product black epoxy firmly place dummy exhaust stacks made 3/32 diameter solder covered black fuel tubing bent proper shapes Drill required holes fit securely place epoxy Rigging model adds final touch Use solid control line wire throughout best scale effect plans show simple trick simulating required Continued page 92 Reminiscent pre-war WW II era Fly Baby sits awaiting mission Color schemetypical dayis similar real Fly Babys Two bicycle spokes hold cowling Note cooling exit cutouts cowl well scale throttle link engine pushrod Simple gas tank cap adds touch realism Rigging must neatand scale mere two ot wire javelins thethin fore and-aft bracesl hold together place cockpit windscreen present no special problems GRISH AIRCRAFT TYPE PROPELLERS Made hardwood fully carved true helical pitch airfoil ready sanding ALL SIZES INis$700 8 & 10 PITCH20800 RIGHT HAND221000 ROTATION241 aoo 3/8 BORE AT YOUR DEALER USE TO PROPEL AIR CREATE THRUST AND BE PROPELLED BY AIR AT DISCRETION OF THE PURCHASER 2 Blade Tractor 5-3each 5-45%-35/-4304 6-36-4354 7-47-67-8504 8-48-68-8654 9-49-69-7 9-810-410-6854 11-411-611-8$1 12-412-512-6$150 5y3 2 Blade Pusher 5%-4 6-36-4 354 8-6854j 9-610-6$1 3BladeTractor BLADE 5-3 6-36-4504 3BladePusher 6-3504 Made otpolyester llic Aluminum Color boil color7-67-8$1 8-68-8 $125 9-6 10-6 10-4 $150 Pusher 10-6$150 Dave Cook Secretary Star Route Gran CO 80446 Stanley Pfost DDS NSS President 1481 Howell Branch Road Winter Park FL 32789 League Silent Flight Box 39068 Chicago IL 60639 Gordon Pearson LSF President 8232 Earhart Rd South Lyon MI 48178 Fly Baby kinds conditions come confident model yourself Put together organized thorough documentation booklet Use source plans good scale drawing look through homebuilt magazines per tinent photographs Put works nice binder head next contest CL Scale/Gretz continued page 34 pearance doesnt look bad conventional model engine would plane built entirely Sig balsa plywood wing tail surfaces covered silk covered light-weight Silkspan fuselage covered balsa silk entire plane finished Aero-Gloss dope mixed myself match color original plane am presently build ing Sig J-3 Cub same numbers own 1946 J-3 Cub NC 1464N have set plans scale RC model Piper Pawnee Hope build plane next winter flew Pawnee first started Ag flying have 1800 hours PA-25-235 Pawnee way Dick Ruckel Ive become aware Prop Busters Model Airplane Club Cleveland Ohio has very ac tive group CL Scale fliers Dick sent several good sketches ideas have used him peers Coinci dently ideas building spray dump mechanism model crop dusters accompanying drawing self-explanatory Dick also offered some constructive criticism contest judging based experiences competition season fast approaching think thoughts warrant some careful consideration Dicks letter Theres lot comment about too much detail Sport Scale planes local meet rules discarded model cockpit like Dicks Clip Wing Cub went AMA Scale another contest judges protested Clip Wing being AMA Scalehe said wasnt scale enough model rules dont say Dan Pruss Ri 2 Box 490 Plainfield IL 60544 Fly Baby/Haught continued page 33 turnbuckles securing wires same time Cut lengths aluminum tubing shown slip over ends wire form loop ends feed through hole rigging tabs slip tubing over end again crimp tubing hold together Refer pictures plans rig ging points details Dont forget rig rudder stabilizer landing gear axle Fabricate windshield fuel cap tiedowns wing folding pins pitot tube epoxy place Its little details add final score dont over look Well does look ready experience Control Line Scale competition has taught valu able item can take contest circle experience Practice flying 92 Model Aviation PROPELLERS ALL GRISH PROPELLERS ARE ENGINEERED TO TRUE HELICAL PITCH AND AIRFOIL FOR EFFICIENCY AT YOUR DEALER GRISH ST JOHN INDIANA 46373 Close-up shot tail showing scale steerable tailwheel linkage rudder means small-diameter stiff springs Also see Wischers column photographs author
Edition: Model Aviation - 1978/05
Page Numbers: 26, 27, 28, 29, 30, 31, 32, 33, 92
LY BABY sj no introductiop d around horn appealing e sive aircraft Being ali structed easily av riaIs Fly Bal amateur s should b variatior ubble canopie few biplane deler th look trew out huilt designs scale modelin duplicated ion made eal Fly Baby rm view reveals thea flying mode drtment door riggingicture scale interOsu uflts floti p sq ujiding t 22iflR th ir epoxy dry t mm NO OCR TEXT NO OCR TEXT CONSTRUCTION OF SWOLIZER B RUDDER ARE SIMILARA 1/32 K 310 PLY TRAILIM 3/52w SO RIBS sp~s --SMALL HINGES TYP SPRUCE INSERT &I/6 SHEET BALSA CORE ALUM TUBE I/IS-SMALL VECO HORN I32X3/4 SHEET- --3/3 ALUM TUBE RIGHT WING IS THE SAME AS ThE LEFT WING ISBLRI3 IN ONEPEICE 2 THEN INSERTED INTO FUSELAGE jc ER SPARS 3 FROM I/B PLY CUT SMALL NOTCH IN TWO SPARS LARGE NOTCH B LG HOLES IN THItO COCKPIT DETALS SIDE TOP ft SECTIONS . WCAflONS BRASS TURNSUCKLE8 /32 PlY DOLELER 2 ALIGNMENT PLATES7 CARB HEAT 3 FlYING WIRE AITCH FTGe piwi 4 TNROTTLE9 SKID BALL 8 MIXTURE10 FORMER NO2 II 3/32 51 SIDE 12 3/32 PLY DOIMLER I3 FRONT WING SPAR 14 PLY SOCKET IS FULL DEPTH STRINGER 16 SCALE STRUCTURE SEAT SEAT Sm IS #IAP COUP DOOR IS HEADREST 2CL WING FOLD TI 316 50 L EPLYWOOD S SMRS FRONT REAR 3/ SEE PHOTOS POR RIGGING / JA/ELENS DEWLS/ NOTCH TO TIN STRIP- CL CA8LE Ik\121 131 I4 Ill 1213141 FUSELAGE SIDE II VI OIL PRESS NAG SWITCHES7 1/ EXPERIMENTAL NOTiGE UcHOMETERILA ~METER OIL TEIa SS AIRSPEED INDICATORCLIMB 4 5 6 FABRIC ON BOTTO#d -3/32 PL DOUBLER BRASS SHEET SCOOPS ARE CUT TO FIT SOLDERED r -Lfr r-c-I- I-VOFF SET ICOWL BHELDON WITH SincE SPONESTI4OIJGNCOWELTO___ THE ENGIHE MOUNTS EPOXY BOLTS MJTS IN PLACE COWL RETAIN4G NUT B WASHER LY REIN WASHER BRASS SHEET SCOOPS SPARK PLUGS S CABLES PLASTIC CYLINDERS CUT -TO SHAPE SHOWN CAP NOTEHOLESMOLDED PLASTIC CY/ERS 21/2-302 TA 4-40 5043 LINK FOR SCALE BALSA FELERS THROTTLE SOLDERFUEL CAP 11W ALUM TUBE ROCKER AP&6 TO THROTTLE PUENROD EXHAUST INTAJcE TUBES SEE TEXTI WING ROOT SPAR BOTTOM STRINSSTICK ASSEMBlY ENThIY MADE . FROM BRASS SEE TEXT COWL IS BUILT UP OF BLOCKS HOLLOWED I/4SALSASS40R5t2 FOR RIGGINGICOWL SECTIONENGINESSCALE EXHAUST / N N3/3 MUSIC WIRERUDDER PEDALS BRAKE PEDALS I/V BRASS TUBES SOLDER TO AXEL TI4EN FLAtTEN B NOTE ON DOCUMENTATION THE SCALE ORMYINGS IN TIE AUGUST/SEPTEMBER 1963 ISSUE OF PROIPESS ARE AMUST! ORLL THE END2A L/32 RIGGING WIRE BUS WITH COFFER E S SOLDER PLY fl/V BALSA 2 SHEET 0 w 0 w w w -J -J Co z -J w N -J -J UTHE FLY BABY IN COFJITlOL-IIIE SCALE /2- DESIGNED DRN INKED BY dove bought CAPPED WITh vieziIe DALSAUIVCAP SmWs* SHEET FEL WING TIP BOWS ARE LAMINATED FROI 3 LATERSOF I/ISK3AV PLANES T~ -iI--OUTBOARDTIP ON UNKAG HERE WIRE TE DOWN & WINS SPRUCE BLOCKS FOR WINGAI/IrPLANKlNG TOP S BOTTOMFOLDING P SCALE 1/21/32 PLY T EMAIN RIB TEMPLATE ALL RIDS 3/32TYPICAL CROSS SECTION 1/2TRIM TO FIT ATTFSADIUSTABLE CLEVIS PIFOT TUBE WHIR DOWEL040 WIRE LYiNG WIRESSEATBOTTOM TO SCALE NOTE 3/32 BRASS N COCKPIT FLOOR EXCEPT UNDER RUDDER PEDALSPAIRINGS PROM MICRO-BALLOONS 600 WET DORYSOLDERBRASS SHINS W EPOXY SANDPAPER TOP STRINGERS S PLANKING OIAlTED ThIN TO CLEAR RUDDER NAP COMPARTMENT FLOOR 8 BACK MOVEMENT VV- - -1 BOtTOM LONGERONSSPRIJCE PUSHROO 2SEE CROSS SECTIONS SUPPORTS SEE SWB PLAN FOR DETAILS B SIZES HEADREST HOLLOW AS SHOWN FROM BALSA BLOCKRUDDER SPAR SECTION AlE WITh BLACK TAPE I/Ge PLY PLANKING ON TOP DECKTYPICAL STAB RUDDER SECTiONSTUBE FOLD SHARPLY ON LIGHT LINESMAP COMPARTMENT 1/32 PLY DOUBLER SPLIT BLACK3/3w BALSA SIDES3/32 K I/4 SPRUCE STREIGERS FUEL LINEI TOP 8 BOTTOM 23/32 50 SIM6 STRUCTURE II 1/32w lY 1 .- NOISeS -fluxIIaI NIH A~ SFIXMt -~Z::y ------.\4iD RUDDER PEDALS.SMALLSPRINGS KI/4SPRUCEBIOCK ALE LBWALKING SEAMIPRIGHTS B CROSS PEICES 3 80135EATS SEATBEIJWHE WRAPSMALL SCREWS EBB SSTICK 81OUETLSEFROM STICK TO ELEY HORNv x itam ALUM SThU ME 7/CUT AND SEND /32 PLY DOUBLER NOTCHED FOR SPARS BALSA FARNOS- 4- FROM VI TACKED CLOTHTOP FORItERB FROM 5/32 SlEETBALSA S MICRO-BALLOONS IHARD ALUM 2144 WHEELS QUAL SPACE StRINGERS p 4 7 A1157 SEE PHOTOS FOR DEPAILS 34567 lEdGE NAP COMPARTMENT DOOR WITH PIN0I25498 WING STRUCTURE PLYWOOD RIBS SPRUCE SPARS ALUM LEADING B TRAILING EDGE SHEETING SPRUCE LAMINATED TIPS WING TIP PINS FIT INTO HOLES IN TOP OF STABILIZER ING WIRES P~DT TUBENY BLUE FELD~ WHITE RED CENTER FLY BABY designed PETE BOWERS drown DAVE HAUCI-IT SPECIFICATIcHS SPAN- 26 CHORD- 46 LENGTH-19 EMITY WEIGHT- 605 lbs GROSS WEIGHT-926 lbs PEFfOWIANCE CRUISE-lID CLIMB SOD FFW LAlNG- 46MPH RANGE 0O MILES POSITION OF FOLDED WING TIEDOWN RINGS AILERON PUSHRODS POSITION GR FOLDED WING HOLES FOR WING TIP PINS ALL WOOD RUDDER STABILIZER WITH ALUM LEADItIG EDGES GAS TANK B GAUGE WELDED TUBE BRAKE PEDALS COLORS FUSELAGE-TRUE BLUE WIIG 8 STAB- BRIGHT YELLOW FIN- YELLOW RUDDER-BLUE VERTICAL STRIPE WITH 7 RED 8 6 WHIlE STRIPES FUSELAGE BAND- WHITE PINSTRIPES 8 RED BAND COCKPIT ARRANGEMENT PRESSJRE 1I SWITCHES 3 OIL TEMP TACH 3 AIRSPEED 161 ALIlMETER CLIMB COMPASS 16LANDING WIRE CARB HEAT f} PRIMER BALL 4 STICK 113 TURNBUCKLE TLE MIXTURE 4 AILERON ELEVATOR PU BAGGAPORMED ALUM CONWSHEADREST DOOR SLOT FOR Ik1LIJL SHOUDE BELT B REAR SPAR FITTINGS ALL FUSELAGE SECTIONS ARE 1/2 SCAt F FUSELAGE STRUCTURE PLYWOOD SIDES SPRUCE STRINGERS ALUM SHEET f~-VINSPECTION BOOXI4 TIRES ENGINE A-65C-BS P CONTINENTAL COCKPIT DETAIL INOT TO SCALE 012 34 56 18910 REPEINCE N CD 0 torn fuselage covered silk nylon simulate real fabric area gets continual abuse prop blown sand sure its well protected Mount engine plan use begin carving cowl blocks fit around it Allow enough clearance around engine free air flow yet retaining good wall thickness cowl finished-sanded fit bike spoke anchors place give entire inside cowl coat epoxy fuel-proof model now ready finish recommend use technique familiar homebuilts have hand-rubbed finishes would best match real Fly Baby Fly Baby pictures painted blue yellow like squadron real Fly Babys out Texas Other colorful examples abound homebuilder magazines Build dummy engine shown plan will find extra amount time will really pay off Begin four Williams Brothers Le Rhone cylin ders Cut down size drawing fit ends match con tour cowling will mount Make glue balsa plywood heads spacers ends cylin ders drill hole mount ing screws Mount cylinders lo cations shown using 4-40 screws blind nuts Add rocker arms spark plugs wires Heat-form four plastic head covers ala canopy forming glue place scoops first cut stiff paper bent shapes shown satisfied what youve created repeat process using thin brass shim stock Paint finished product black epoxy firmly place dummy exhaust stacks made 3/32 diameter solder covered black fuel tubing bent proper shapes Drill required holes fit securely place epoxy Rigging model adds final touch Use solid control line wire throughout best scale effect plans show simple trick simulating required Continued page 92 Reminiscent pre-war WW II era Fly Baby sits awaiting mission Color schemetypical dayis similar real Fly Babys Two bicycle spokes hold cowling Note cooling exit cutouts cowl well scale throttle link engine pushrod Simple gas tank cap adds touch realism Rigging must neatand scale mere two ot wire javelins thethin fore and-aft bracesl hold together place cockpit windscreen present no special problems GRISH AIRCRAFT TYPE PROPELLERS Made hardwood fully carved true helical pitch airfoil ready sanding ALL SIZES INis$700 8 & 10 PITCH20800 RIGHT HAND221000 ROTATION241 aoo 3/8 BORE AT YOUR DEALER USE TO PROPEL AIR CREATE THRUST AND BE PROPELLED BY AIR AT DISCRETION OF THE PURCHASER 2 Blade Tractor 5-3each 5-45%-35/-4304 6-36-4354 7-47-67-8504 8-48-68-8654 9-49-69-7 9-810-410-6854 11-411-611-8$1 12-412-512-6$150 5y3 2 Blade Pusher 5%-4 6-36-4 354 8-6854j 9-610-6$1 3BladeTractor BLADE 5-3 6-36-4504 3BladePusher 6-3504 Made otpolyester llic Aluminum Color boil color7-67-8$1 8-68-8 $125 9-6 10-6 10-4 $150 Pusher 10-6$150 Dave Cook Secretary Star Route Gran CO 80446 Stanley Pfost DDS NSS President 1481 Howell Branch Road Winter Park FL 32789 League Silent Flight Box 39068 Chicago IL 60639 Gordon Pearson LSF President 8232 Earhart Rd South Lyon MI 48178 Fly Baby kinds conditions come confident model yourself Put together organized thorough documentation booklet Use source plans good scale drawing look through homebuilt magazines per tinent photographs Put works nice binder head next contest CL Scale/Gretz continued page 34 pearance doesnt look bad conventional model engine would plane built entirely Sig balsa plywood wing tail surfaces covered silk covered light-weight Silkspan fuselage covered balsa silk entire plane finished Aero-Gloss dope mixed myself match color original plane am presently build ing Sig J-3 Cub same numbers own 1946 J-3 Cub NC 1464N have set plans scale RC model Piper Pawnee Hope build plane next winter flew Pawnee first started Ag flying have 1800 hours PA-25-235 Pawnee way Dick Ruckel Ive become aware Prop Busters Model Airplane Club Cleveland Ohio has very ac tive group CL Scale fliers Dick sent several good sketches ideas have used him peers Coinci dently ideas building spray dump mechanism model crop dusters accompanying drawing self-explanatory Dick also offered some constructive criticism contest judging based experiences competition season fast approaching think thoughts warrant some careful consideration Dicks letter Theres lot comment about too much detail Sport Scale planes local meet rules discarded model cockpit like Dicks Clip Wing Cub went AMA Scale another contest judges protested Clip Wing being AMA Scalehe said wasnt scale enough model rules dont say Dan Pruss Ri 2 Box 490 Plainfield IL 60544 Fly Baby/Haught continued page 33 turnbuckles securing wires same time Cut lengths aluminum tubing shown slip over ends wire form loop ends feed through hole rigging tabs slip tubing over end again crimp tubing hold together Refer pictures plans rig ging points details Dont forget rig rudder stabilizer landing gear axle Fabricate windshield fuel cap tiedowns wing folding pins pitot tube epoxy place Its little details add final score dont over look Well does look ready experience Control Line Scale competition has taught valu able item can take contest circle experience Practice flying 92 Model Aviation PROPELLERS ALL GRISH PROPELLERS ARE ENGINEERED TO TRUE HELICAL PITCH AND AIRFOIL FOR EFFICIENCY AT YOUR DEALER GRISH ST JOHN INDIANA 46373 Close-up shot tail showing scale steerable tailwheel linkage rudder means small-diameter stiff springs Also see Wischers column photographs author