IN history Stunt event four ships have awarded 20 appearance points rendering perfect airplanes judges eyes first 20-pointer Gene Martiness awesome Mariner followed six years later 1986 Ski Dombrovskis Lacemaker 1988 came Jim Casales Columbia own Cardinal Im honored part such small group artists Cardinal wanted classic lines 1960s Stunter proven aerodynamics Greenaway-designed Pattemmaster built-up construction all-wood airframe bulletproof controls all-weather flying dead-reliable engine characteristics Big Jim SuperTigre 60 Hemi also wantedand installedwingmounted gear pavement landings fuselage-mounted gear East Coast rough-grass shoot-outs wing displacement 1980 cubic Big picture author 91 version 20-appearance-point CL Stunter inches Cardinal ideal four such ships ever have won maximum appearance points Above Top SuperTigre 60 engine Theres no need five finishers 1991 Nationals Cardinal second row right finished strong second some extremely nasty wind November 1992 141 Full Size Plans AvailableSee Page 221 build model entirely punk wood use thin finish Editors note Punk wood very soft lightweight balsa Build nose solid dont cheat finish wing will create enough lift carry bulletproof airframe through years contest-winning service Cardinal airframes typically go thousands flights stress crack original Cardinal airframe survived midair Old-Timer Stunt ship wandered circle June 1990 Garden State Circle Burners contest pilot 015 model never realized hed almost destroyed work art hundreds Patterumasters built design numbers have proven over time Thats what makes Cardinal special After 2000 flights type ship Ive learned numbers get such model 90% bench trimmed before its lines have attached center-ofgravity important thing get right before fly Locate CG eight 81/s forward flap hinge line Make stand anchoring two pencils wooden hlock erasers pointed straight up Space wide enough apart straddle fuselage width Place Cardinal stand balance model precisely Turn model over RISS R/IN PS P GOJUNTONLECUP STEIPS ----F~-Th III__ LEOSOOT III LEGOOGT SOLIS N 0EGOIOVS-IT0TlSRITEGEIR 5I SWEEP RANGE ffi[ NOTE SUBSTITUTE 01151 PITUSTh MAPLE BLOCKS OLSO DPTIONGL SO UCAR PINNUTSST SO ESGISE NO OFFSET 50005P LI DIGOENSISE S GEGLE ESGIGE TO EIGET CN LIRE ELIOS SESIEES 0 TOENOSE CONSTRUCTION DETAILBI LIE PLCITO RA MAPLE BLOCSENGINE SourIOIS PLY COJELES/ _______15 NA MAPLE EUGINE NOTE PT TTEU F-IsIMOUNTS R SOGER IAN MEO zOOGiO I INOTE 00000 UIEOCCION 100 NREET PILLLIB LITE PLYP 5 P ST GO C 100 SHEETMOUNTING EGGSNOTE GUSEUNLI URSTEETSECTION EITY 1015 PLO GONEOTONECASI RUINS ALL EDGES 5UN PLTLNIrpEISLLSO ELINDNO OEGT FlNUTS WOLLOW 00 115 N -TONE ION NOTOON FN PT P 0P5P10F-IlF- IS EER TIORE SG OGOIGE ION LITE PLY oGsopsOam-NOTE TED WING N TUILR 00 FUEL TUNE RTI 00 PEP NAUG-GEEROLGO ORALL TRIMOSLUSEMETON0 ELUEPSINTED GO NPOTTERNWUSTER PLANS TN N GIG FULL IENNTN 5015 LOWSGRE OUGILGOLE EGOS NOTES CUBES RAROT OOT N STEEr INOW 001 NONE 114NINf COTELI ZIG RON ONTI suspend holding tail wheel prop blade Put gram scale under outer wing tip add lead tip until scale reads 2I2 oz youre using 018 braided lines instead solid ones keep adding lead until scale reads 3 oz Set CENTER LE OP SN SI 142 Model Aviation ardinal 89 Type CLPA WIngspan 62 inches Recommended engine size type SuperTigre 60 Expected flying weight 60-70 oz Type construction Built-up Type coveringdfinish recommended Silkspan wing tail surfaces tissue fuselage talcumand-dope clear coat buffed Gorham silver polish Final Shine Cardinal 89 Urtnowski has experimented color Concours-quality ships made during finishing process schemes characteristic mirrorlike finishTwo polished final clear coats add luster C ASP RELAIN115 MAPLE SPAR OSJBLORIBELLCRANOSCOT BOBBING5115 sORACE SPAS LAMINATE BELLOSANKMOUNT TOP ASS BOTTOMIllS VERTICAL GRAINSF B MOTiON OP EMS SPAS SIRS J 114 NA LEC-GRAINGA CARBON FIBER ISISA SlEET WBRGIPA I4~--II--IGERTICAL BRAINTIP REIST BINS LkTV---F----H J7—2-z-JI7T--JY7----Y72r-Yx---K CGSAIS IrtjiITLU oI K WI IG P Top VIE~ IIliii I_JLIII I~---- ------ WIIL ~-------5055 OSAISCAT GUT SING NOCETISACARAINNOTE GRAIN RANS PARALLEL 11B PLA ISORN CLIPS AS SGGSIS PS FLAP FASARGO EGIT FLAP SOBS CLIP 110 ALA -OOCSUIGEL II rNIIN 00 CARBON FIBER \F1LAYopvIEW PANARGO -TAPICALGANILIZOCEGAT N ____________________________________________________________[v35][b5301127539520]] 11NLUSH 515 SlEET SNEET 51005FILLET TYPICAL II- IIii I-LT.___ -[T IIi~I1HIIII S DAMH IIFLAPLIGAT II STE NT FILL EY -TYPICALIASS PAINING -IANLANN AG SNAWN IKEISNAPE AINPAIL SECTIONS INSANE SI. GTE NATN F AG LIGHTAF RN ON MANE OPTIGNAL BONEGALK INGOITTEGFAR CLARITYCARAM OSRAOOEN WITS NULL LINK ADINSTEN 1110 PLYS RSEOER FIN N GO KLISGUSE MEGIGS BALSAI-IINGLB TAP BLOON SALLOW 5$ SOONGOPTIANAL NINGE LINE F-AFTP-NP-SF-INF-IlF-ICF-IS IAPLA/ FERAINCRATCA,/ ---i STAMLIZEN --4Iii -4------ ___PA FAIRIRNSPANP _______________ r7I7 04~ I MALSAtENGINE DVI-KDL0I II-IlK NG TAILPOST IIiI- rB SI4EIA PAILWGBEL lIrE FL DOANLERIN 0 LN STOCK C-GRAB FUSELAGE SIEENNISOT BOTTOM WIT kINLITEPLYL S BOASTaA SISS MW GEAR C-GRAIN AT SO ANGLE REINFORCE SITS LIGOS TG tGLASS CLOT IG IAM PLY SAN MOUNT PLATE RITS S-GA KLINE MATS ATATATAOATY#ATA APSIONAL 1-110 BLOCK / LI ----7PANTS FRAN PS 01G LITE PLITE WREELS FUSELAGE SIDE VIEW CARDINALNG EDOINNEG NTRINGS URTNOSSNI AENOOSNBMICSNIG SIN GRENNASGA GRSINAI PLANSSTAGE INNS MATS-GO P51K AWARD 7 INKED 0IN55SG average two lead-outs 61/2 forward flap hinge linein other words 11/2 lead-out rake Use 11/4 rake solid lines ballpark numbers ensure good performance Once bench trimming has completed run engine twice plane ground tighten bolts clean fuel line filterand youre ready some very competitive flying first day out guesswork has eliminated program Greenaway engine fuel tank will give years hassle-free flying consistent engine runs Dont drill lightening holes engine mounts substitute parts nose mistaken attempt make lighter fuselage will weigh 10 101/2 oz properly built wont self-destruct halfway through season Years later youll appreciate wisdom type engineering Nothing frustrating model begins self-destruct just its trimmed out Nationals few weeks away list sources required hardware included plan Dont use 35-size control parts compromise design inadequate hardware flew Cardinal prototype 1987 Nationals using model test bed Craig Gunderss experimental exhaust systems ship battled Lincolns heavy winds take third place won both Sheeks Innovation Award Concours dElegance built two Cardinals 1988 1989 used develop tuned pipe systems SuperTigre 60 evolution tuned pipe system well documented set videotapes available Pro-Stunt Videos 9 Union Ave Little Ferry NJ 07643 Several Cardinals have built modifications such clipped wings flat wing tips seem have flown better ones built strictly print Ive flown nearly Cardinal built theyve performed well first 60-powered ship dont try come up cute inventions aimed superlight design Pro-Stunt Products custom made exhaust system Big Jim-style nose has air outlets fuselage side mber 1992 143 44KV i ANiSOR-SNO RI NSPO BLOCK TIP MODEL AVIATION CARDINAL 89 WINDY URTNOWSKI BY JOE DEMARCO NU RINNYSNNEET MA PLAN GLL RIMS I/H LIART C-GRAIN NOTCR FAR MAPLE SlR 0 CARRAN FIRER3/32 RIG WIRE ENDS TYPICAL ________________________________PUSRATA TYPICAL IA Ala RAHEL PLAY TYPICAL HITS SHEETING CAPYTRIPPIMA PRSBRAD END DETAIL 110 SREET VERTICAL SYW AA CARRON FIBER AOLLCAATI&PJSHROAS ASIA WITH 13116 MOMENT ARM TA FLAP-- ELEVATOR HAHN ISIOR DIV WIRE WITH 31V RAMENT ARM I/H DIV WIREOR VIA WIRE MICA MOMENT ARM PRAM DOWNTHE RELLCRANR M S/U ARAIS WERRINANAMENT TA TSE ELCO VAR HA CARRAS FIRER LAMINATED SPRUCE SPAR op k/A SA LE7II 0______PRO-START PRODUCTS ROL STSTEU 3/H DIA HALES FOR ST AIANRENT JIG RHASTIP RIMI/AR H/B TE _PRO-STUNT PRODUCTS 9 UNION AVE LITTLE FERRY NEW JERSEY 07643 201 440-0905 ~iiIIIL2 K WMOH 4 TECB6LOAT ThAT WORKA IFRONT VIEW STABILIZER ALL RIBS SPACED ON CERTER T/4SAEET STAR U ELEVATAR DRAW CENTERLIRE LE AFTER INSTAL/INA RVANA EAVESEEVTRMTWIDGRD ROE NYLON PER FRAMT AIEMB PER ELEVATAR LIART WEIGHT I/3D PLC EHA CAPSHILRRPANMODEL AVIATION MITT WRARS STRAPIIM PLT BORN P fl N 4 L MEARINCLIP C MATE MAM WEIART OF STAR B ELEOGTOH ELEVATOR BORN CLIP kIM PLH REVUIRED COOERCO N FIMISRED IN SILASH WITT BARNS R RINALV IHSTALLEO ME RAMS DESIGNED BY WINDY L,RIPRDWWINI INKED PLANS BY JOE DEMARCO WLL RIARTS SREET WV PLAN RESERVED 2 OF Swiss-cheesing engine mounts doublers instance nose construction guarantees consistent runs 60 engine choose foam wings reinforce wing center fiberglass dont skimp strength Wood selection possible use C-grain 4- 6-lb-density wood wing ribs fuselage sides tail feathers formers Use A-grain sheeting wing Use lightweight blocks wing tips fuselage top block some wood isnt up standard Cardinal wont disappoint Greenaway did professional job working out aerodynamics deserves credit unbelievable success design Cardinal truly classic Cardinals have built Dave Midgleys among prettiest best flying Both use molded fiberglass wheel pants Pro-Stunt Products Wing Make two plywood rib templates Stack-cut rib blanks template end Run bolts through rib stack clamp securely Carve sand ribs final shape built wing homemade jig using 318-in rods After completing basic framing added leading trailing edges cap strips wing tips hollowed-out blocks bellcrank mount similar used foam wings Much wing tail construction follows traditional techniques used Nobler familiar advanced builders Less experienced builders may 144 Model Aviation Pilots eye view Cardinals rakish lines Right Art school grad Urtnowski ink-lined cardinals head freehand using drafting pen Letraset press-on letters spell out models name other remarks Construction want check out thousands hints tips Nobler construction videotapes available Pro-Stunt Videos As alternative foam wings Cardinal available sheeted unsheeted exclusively Big Jim Greenaway Call 718 529-4631 Big Jims latest prices wings tanks engines Build stabilizer elevator using lightest wood available Cover wing tail surfaces silkspan Add unscented talcum powder mixed clear dope silver luster dope will harden youre building fuselage fussyfill nick silver now flawless glasslike finish Fuselage Begin building engine crutch Place aluminum pads engine mounts attach both mounts engine correct offset Fill area between mounts /2-in cross grained balsa Remove engine build body around crutch Use epoxy nose construction Carve hollow top block Sand fuselage final contour Its lot easier now wait until wing has installed Place fuselage parts perfectly flat table align centerlines machinists rule comes handy task Cover fuselage tissue adding dope-and-talcum-powder mixture silver luster used Sig finishing products exclusively model provide beautiful finish adding minimal weight Its during finishing process Concours ships made lost Sand out flaw fix ding Keep until model looks machined billet solid aluminum Since chose translucent color coat candy apple redthe base absolutely perfect 1987 ship used candy apple red over silver 1988 version pearl white undercoat After adding trim lettering use Letrasets ink lines mix clear coats follows two quarts Sig Litecoat two quarts DuPont 3608S tablespoon Dave Brown Flexall three drops fisheye killer Spray half amount air pressure 20-25 psi Wait two weeks gases completely evaporate sand dull satin finish 600- 1200-grit paper Spray final half clear coat again 20-25 psi Wait least six weeks sand 1200-grit paper Buff Gorham silver polish Final Shine buff again about six months mirrorlike finish will last seasons also like spray some Imron* around nose section protect droplets raw fuel * Note Safety precautions needed Imron amateurs Inhaling fumes lmron can lead extremely serious health problems Take time work hard Youll rewarded front-row model Propeller Ive always liked big-diameter wood props design small multibladed carbon props will give bit cornering ability square maneuver price faster airspeed Start Rev-Up Top Flite 13 x 6 full prop same size cut 121/2 windy conditions Tailoring corner technique get static balance exactly 8/o Testfly ship lines spaced 41/2 apart handle youll have 1 /2 overhang increase cornering ability space lines farther apart handle increase power-steering feel shorten overhang 11/4 Somewhere range youll achieve super tight turn corners control response suit skill level fine-tuning handle altering center-of-gravity consider joining PAMPA Editors note PAMPA Precision Aerobatics Model Pilots Associationa Continued page 191 ~ Box 1063 Lorain Ohio 44055 jj~0phone 216 282-8354 Big Flying Scale Kits Over Two Foot Span * PiperCub 1795 K * Stinson 125 1795 * Piper PA-lB 1795 PA 16 Clipp rcraft K ~p4osqulto Semi-Scale Kits 002 Rubber Power 22 Span * Taylorcratt 1095 * Stinson Voyager .. 1095 * pc-s Porter 1095 Contest-Sport Kits * Hornet Embryo 1095 * Hornet P-30 1695 Fits F-30 & Pee Wee Rules Outdoor Peanut Scale Kits 13Span *cubass * Stinson 125 a95 * Vagabond 895 * Farman 695 * Jodel 695 * Fike 995 1/2 RIO Gas Electric Kits Fits Astro 035 Taylorcraft3995 Stinson 1253995 HARD TO FIND ITEMS Brown 002 Motors Accessories Over 20 Sizes Rubber Strip Japanese Tissue Super Fine Balsa Sheets & Strips Add 10% Shipping $250 Minimum Shipping CATALOG $200 Its Easy LYY Safety Starter Safe one-push starting Recommended John Prestons Safety Comes First column ModelAvation Nov 90 Easy assemble battery starter PATENT N0ING 1 See ACE R/C dealer send check money order KRANKING Safety Starters PO Box 2563 Beaumont Texas 77704 Add $700 tsr packaging shipping uPS Tesas residents add 925% tales las Allow apprasimately tws weeks tar delivery Satlstaction Guaranteed SH-710 Pkg 24-52 95 EAsT HINEL THE HIGH-TECH HINGE DESIGNED FOR THE CYANOACRYLATE AGE Easier install other hinge- No gouging picking messy epoxies Simply cut single knite slot hinge slide hinges place apply few drops favorite GA glue youre done SUPER FAST SUPER EASY SUPER STRONG 74e ejt ia9e4 /oa & a% SIG MFG CO INC401-7 So Front St.Montezuma IA 50171 623-5154 supply company cheapest alternative pair automobile positive crankcase ventilation PCV valves sold dollar two department store automotive section Some hunting experimentation will necessary fit specific configuration tubes fittings intake valve can screwed directly spark plug hole opening suction created piston downstroke closing under pressure upstroke soldering intake valve half-inch copper pipe fitting can screw outflow valve exhaust port muffler used fit Threaded joints should sealed Mylar tape silicone glop one-way valves installed assembly becomes efficient air pump Provided motor adequate suitably low-ratio belt-drive reduction setup used pump will continue work until something system explodes regulator valve must installed either release excess pressure shut off power preset level Both types common relatively inexpensive Blowoff safety valves installed water heaters pressure-sensing electric switches universally employed water system pressure tanks luck discarded serviceable example either can found dump plumbers scrap heap otherwise youll have purchase blowoff valve bit less expensive Because requires no wiring its also simpler drawback using however compressor must run constantly pressure-sensing switch wired motor circuit preferred automatically cycles motor keep reservoir tank full regulators usually set range 40-60 lb ie 60 lb power cut pressure falls below 40 lb power turned again range fairly ideal modelers needs settings can fiddled turning set adjusting screws No special tubing required Quarter-inch I16 vinyl tubing secured hose clamps withstands pressure just fine Before being routed workbench air should dumped accumulator tank smooth out pulses form supply reservoir An empty freon tank salvaged auto repair shop dumpster will fit bill nozzles tanks have flare thread does match plumbing pipe fittings auto supply houses have adapters mate flare pipe tube fittings Dirt oil residue condensed water blown through lines can wreck paint job airbrush filter drying device should inserted downstream accumulator ready-made water trap can bought airbrush manufacturers effective less expensive can arranged using chunks foam rubber filters calcium chloride CaCI desiccant crystals sold hardware stores drying out damp closets CaCl becomes saturated pop microwave toaster oven few minutes dry out Any airtight metal plastic container will filter canisteras long can withstand pressure no glass Hose nipples can attached soldering epoxying supply line workbench can flexible vinyl PVC plastic copper iron pipe ending stopcock quick-connect fitting manifold multiple ports can rigged allow simultaneous use sprayer blowgun other tools might consider adding pressure gauge final touch class luck diligent scrounging just about components can found free few bits pieces hardware will have bought total price should remain under $20 attern/Staub Continued page 41 Steve Stricker finishing fourth place knocked hard door several times push top three received no reply least 25 hard-core extremely proficient pilots US F3A gets tougher year contest weather cool crisp engine performance its peak wind very difficult blowing almost straight out about 20-25 mph curious thing condition pilots flying quite close suspect styles World Championships flown October 1991 motivation doing writer satisfied own curiosity about subject last flight finals decided move flight way received best score contest will known about whether widespread new propensity just vagary Nationals competition after N-PAC NSRCA Pan-Am RC Championships held Lawrenceville Illinois July 26August 1 next big RC Pattern event summer Overall attendance down Pattern Nationals opening up can worms some believe because timing Nationals early season economy people having enough money attend impending N-PAC competition summary 1992 Nationals RC Pattern event great success congratulations order winners much thanks Tony Stillman AMA great contest ardinallUrtnowski Continued page 145 special interest group Send dues $15 per year Mike Keville 6109 E Ivyglen St Mesa AZ 85205 bimonthly newsletter Stunt News offers interesting tips build Cardinal please send photo add album models built flying well Cardinal owners could benefit exchanging information very special thanks Big Jim Greenaway help aspect Stunt program over years Big Jim call need advice assistance engines Stunt event has changed little since its inception classic lines great Stunt ships alive well As timeless 55 Chevy vintage designs still arouse artist make wish young again ovember 1992 191 PARTS LIST QtyItemCost 1Engine block 3-8 hp0 horizontal shaft 1Appliance motor0 2Drive pulleys$3 1Drive belt$2 4 ft2 x 12 wood base0-$4 2PCV valves$2 ea lOft114. /ie-in tube$10/ft vinyl rubber copper plastic 11 Fittings reducers$50 adapters neededea i/2ifl hose clamps$50 ea 1Pressure switch0-$15 safety valve0-$8 10 ft#12 electrical cord$20/ft 1 eaSwitch outlet box$150 cover plate plug end 1Freon tank0
Edition: Model Aviation - 1992/11
Page Numbers: 141, 142, 143, 144, 145, 191
IN history Stunt event four ships have awarded 20 appearance points rendering perfect airplanes judges eyes first 20-pointer Gene Martiness awesome Mariner followed six years later 1986 Ski Dombrovskis Lacemaker 1988 came Jim Casales Columbia own Cardinal Im honored part such small group artists Cardinal wanted classic lines 1960s Stunter proven aerodynamics Greenaway-designed Pattemmaster built-up construction all-wood airframe bulletproof controls all-weather flying dead-reliable engine characteristics Big Jim SuperTigre 60 Hemi also wantedand installedwingmounted gear pavement landings fuselage-mounted gear East Coast rough-grass shoot-outs wing displacement 1980 cubic Big picture author 91 version 20-appearance-point CL Stunter inches Cardinal ideal four such ships ever have won maximum appearance points Above Top SuperTigre 60 engine Theres no need five finishers 1991 Nationals Cardinal second row right finished strong second some extremely nasty wind November 1992 141 Full Size Plans AvailableSee Page 221 build model entirely punk wood use thin finish Editors note Punk wood very soft lightweight balsa Build nose solid dont cheat finish wing will create enough lift carry bulletproof airframe through years contest-winning service Cardinal airframes typically go thousands flights stress crack original Cardinal airframe survived midair Old-Timer Stunt ship wandered circle June 1990 Garden State Circle Burners contest pilot 015 model never realized hed almost destroyed work art hundreds Patterumasters built design numbers have proven over time Thats what makes Cardinal special After 2000 flights type ship Ive learned numbers get such model 90% bench trimmed before its lines have attached center-ofgravity important thing get right before fly Locate CG eight 81/s forward flap hinge line Make stand anchoring two pencils wooden hlock erasers pointed straight up Space wide enough apart straddle fuselage width Place Cardinal stand balance model precisely Turn model over RISS R/IN PS P GOJUNTONLECUP STEIPS ----F~-Th III__ LEOSOOT III LEGOOGT SOLIS N 0EGOIOVS-IT0TlSRITEGEIR 5I SWEEP RANGE ffi[ NOTE SUBSTITUTE 01151 PITUSTh MAPLE BLOCKS OLSO DPTIONGL SO UCAR PINNUTSST SO ESGISE NO OFFSET 50005P LI DIGOENSISE S GEGLE ESGIGE TO EIGET CN LIRE ELIOS SESIEES 0 TOENOSE CONSTRUCTION DETAILBI LIE PLCITO RA MAPLE BLOCSENGINE SourIOIS PLY COJELES/ _______15 NA MAPLE EUGINE NOTE PT TTEU F-IsIMOUNTS R SOGER IAN MEO zOOGiO I INOTE 00000 UIEOCCION 100 NREET PILLLIB LITE PLYP 5 P ST GO C 100 SHEETMOUNTING EGGSNOTE GUSEUNLI URSTEETSECTION EITY 1015 PLO GONEOTONECASI RUINS ALL EDGES 5UN PLTLNIrpEISLLSO ELINDNO OEGT FlNUTS WOLLOW 00 115 N -TONE ION NOTOON FN PT P 0P5P10F-IlF- IS EER TIORE SG OGOIGE ION LITE PLY oGsopsOam-NOTE TED WING N TUILR 00 FUEL TUNE RTI 00 PEP NAUG-GEEROLGO ORALL TRIMOSLUSEMETON0 ELUEPSINTED GO NPOTTERNWUSTER PLANS TN N GIG FULL IENNTN 5015 LOWSGRE OUGILGOLE EGOS NOTES CUBES RAROT OOT N STEEr INOW 001 NONE 114NINf COTELI ZIG RON ONTI suspend holding tail wheel prop blade Put gram scale under outer wing tip add lead tip until scale reads 2I2 oz youre using 018 braided lines instead solid ones keep adding lead until scale reads 3 oz Set CENTER LE OP SN SI 142 Model Aviation ardinal 89 Type CLPA WIngspan 62 inches Recommended engine size type SuperTigre 60 Expected flying weight 60-70 oz Type construction Built-up Type coveringdfinish recommended Silkspan wing tail surfaces tissue fuselage talcumand-dope clear coat buffed Gorham silver polish Final Shine Cardinal 89 Urtnowski has experimented color Concours-quality ships made during finishing process schemes characteristic mirrorlike finishTwo polished final clear coats add luster C ASP RELAIN115 MAPLE SPAR OSJBLORIBELLCRANOSCOT BOBBING5115 sORACE SPAS LAMINATE BELLOSANKMOUNT TOP ASS BOTTOMIllS VERTICAL GRAINSF B MOTiON OP EMS SPAS SIRS J 114 NA LEC-GRAINGA CARBON FIBER ISISA SlEET WBRGIPA I4~--II--IGERTICAL BRAINTIP REIST BINS LkTV---F----H J7—2-z-JI7T--JY7----Y72r-Yx---K CGSAIS IrtjiITLU oI K WI IG P Top VIE~ IIliii I_JLIII I~---- ------ WIIL ~-------5055 OSAISCAT GUT SING NOCETISACARAINNOTE GRAIN RANS PARALLEL 11B PLA ISORN CLIPS AS SGGSIS PS FLAP FASARGO EGIT FLAP SOBS CLIP 110 ALA -OOCSUIGEL II rNIIN 00 CARBON FIBER \F1LAYopvIEW PANARGO -TAPICALGANILIZOCEGAT N ____________________________________________________________[v35][b5301127539520]] 11NLUSH 515 SlEET SNEET 51005FILLET TYPICAL II- IIii I-LT.___ -[T IIi~I1HIIII S DAMH IIFLAPLIGAT II STE NT FILL EY -TYPICALIASS PAINING -IANLANN AG SNAWN IKEISNAPE AINPAIL SECTIONS INSANE SI. GTE NATN F AG LIGHTAF RN ON MANE OPTIGNAL BONEGALK INGOITTEGFAR CLARITYCARAM OSRAOOEN WITS NULL LINK ADINSTEN 1110 PLYS RSEOER FIN N GO KLISGUSE MEGIGS BALSAI-IINGLB TAP BLOON SALLOW 5$ SOONGOPTIANAL NINGE LINE F-AFTP-NP-SF-INF-IlF-ICF-IS IAPLA/ FERAINCRATCA,/ ---i STAMLIZEN --4Iii -4------ ___PA FAIRIRNSPANP _______________ r7I7 04~ I MALSAtENGINE DVI-KDL0I II-IlK NG TAILPOST IIiI- rB SI4EIA PAILWGBEL lIrE FL DOANLERIN 0 LN STOCK C-GRAB FUSELAGE SIEENNISOT BOTTOM WIT kINLITEPLYL S BOASTaA SISS MW GEAR C-GRAIN AT SO ANGLE REINFORCE SITS LIGOS TG tGLASS CLOT IG IAM PLY SAN MOUNT PLATE RITS S-GA KLINE MATS ATATATAOATY#ATA APSIONAL 1-110 BLOCK / LI ----7PANTS FRAN PS 01G LITE PLITE WREELS FUSELAGE SIDE VIEW CARDINALNG EDOINNEG NTRINGS URTNOSSNI AENOOSNBMICSNIG SIN GRENNASGA GRSINAI PLANSSTAGE INNS MATS-GO P51K AWARD 7 INKED 0IN55SG average two lead-outs 61/2 forward flap hinge linein other words 11/2 lead-out rake Use 11/4 rake solid lines ballpark numbers ensure good performance Once bench trimming has completed run engine twice plane ground tighten bolts clean fuel line filterand youre ready some very competitive flying first day out guesswork has eliminated program Greenaway engine fuel tank will give years hassle-free flying consistent engine runs Dont drill lightening holes engine mounts substitute parts nose mistaken attempt make lighter fuselage will weigh 10 101/2 oz properly built wont self-destruct halfway through season Years later youll appreciate wisdom type engineering Nothing frustrating model begins self-destruct just its trimmed out Nationals few weeks away list sources required hardware included plan Dont use 35-size control parts compromise design inadequate hardware flew Cardinal prototype 1987 Nationals using model test bed Craig Gunderss experimental exhaust systems ship battled Lincolns heavy winds take third place won both Sheeks Innovation Award Concours dElegance built two Cardinals 1988 1989 used develop tuned pipe systems SuperTigre 60 evolution tuned pipe system well documented set videotapes available Pro-Stunt Videos 9 Union Ave Little Ferry NJ 07643 Several Cardinals have built modifications such clipped wings flat wing tips seem have flown better ones built strictly print Ive flown nearly Cardinal built theyve performed well first 60-powered ship dont try come up cute inventions aimed superlight design Pro-Stunt Products custom made exhaust system Big Jim-style nose has air outlets fuselage side mber 1992 143 44KV i ANiSOR-SNO RI NSPO BLOCK TIP MODEL AVIATION CARDINAL 89 WINDY URTNOWSKI BY JOE DEMARCO NU RINNYSNNEET MA PLAN GLL RIMS I/H LIART C-GRAIN NOTCR FAR MAPLE SlR 0 CARRAN FIRER3/32 RIG WIRE ENDS TYPICAL ________________________________PUSRATA TYPICAL IA Ala RAHEL PLAY TYPICAL HITS SHEETING CAPYTRIPPIMA PRSBRAD END DETAIL 110 SREET VERTICAL SYW AA CARRON FIBER AOLLCAATI&PJSHROAS ASIA WITH 13116 MOMENT ARM TA FLAP-- ELEVATOR HAHN ISIOR DIV WIRE WITH 31V RAMENT ARM I/H DIV WIREOR VIA WIRE MICA MOMENT ARM PRAM DOWNTHE RELLCRANR M S/U ARAIS WERRINANAMENT TA TSE ELCO VAR HA CARRAS FIRER LAMINATED SPRUCE SPAR op k/A SA LE7II 0______PRO-START PRODUCTS ROL STSTEU 3/H DIA HALES FOR ST AIANRENT JIG RHASTIP RIMI/AR H/B TE _PRO-STUNT PRODUCTS 9 UNION AVE LITTLE FERRY NEW JERSEY 07643 201 440-0905 ~iiIIIL2 K WMOH 4 TECB6LOAT ThAT WORKA IFRONT VIEW STABILIZER ALL RIBS SPACED ON CERTER T/4SAEET STAR U ELEVATAR DRAW CENTERLIRE LE AFTER INSTAL/INA RVANA EAVESEEVTRMTWIDGRD ROE NYLON PER FRAMT AIEMB PER ELEVATAR LIART WEIGHT I/3D PLC EHA CAPSHILRRPANMODEL AVIATION MITT WRARS STRAPIIM PLT BORN P fl N 4 L MEARINCLIP C MATE MAM WEIART OF STAR B ELEOGTOH ELEVATOR BORN CLIP kIM PLH REVUIRED COOERCO N FIMISRED IN SILASH WITT BARNS R RINALV IHSTALLEO ME RAMS DESIGNED BY WINDY L,RIPRDWWINI INKED PLANS BY JOE DEMARCO WLL RIARTS SREET WV PLAN RESERVED 2 OF Swiss-cheesing engine mounts doublers instance nose construction guarantees consistent runs 60 engine choose foam wings reinforce wing center fiberglass dont skimp strength Wood selection possible use C-grain 4- 6-lb-density wood wing ribs fuselage sides tail feathers formers Use A-grain sheeting wing Use lightweight blocks wing tips fuselage top block some wood isnt up standard Cardinal wont disappoint Greenaway did professional job working out aerodynamics deserves credit unbelievable success design Cardinal truly classic Cardinals have built Dave Midgleys among prettiest best flying Both use molded fiberglass wheel pants Pro-Stunt Products Wing Make two plywood rib templates Stack-cut rib blanks template end Run bolts through rib stack clamp securely Carve sand ribs final shape built wing homemade jig using 318-in rods After completing basic framing added leading trailing edges cap strips wing tips hollowed-out blocks bellcrank mount similar used foam wings Much wing tail construction follows traditional techniques used Nobler familiar advanced builders Less experienced builders may 144 Model Aviation Pilots eye view Cardinals rakish lines Right Art school grad Urtnowski ink-lined cardinals head freehand using drafting pen Letraset press-on letters spell out models name other remarks Construction want check out thousands hints tips Nobler construction videotapes available Pro-Stunt Videos As alternative foam wings Cardinal available sheeted unsheeted exclusively Big Jim Greenaway Call 718 529-4631 Big Jims latest prices wings tanks engines Build stabilizer elevator using lightest wood available Cover wing tail surfaces silkspan Add unscented talcum powder mixed clear dope silver luster dope will harden youre building fuselage fussyfill nick silver now flawless glasslike finish Fuselage Begin building engine crutch Place aluminum pads engine mounts attach both mounts engine correct offset Fill area between mounts /2-in cross grained balsa Remove engine build body around crutch Use epoxy nose construction Carve hollow top block Sand fuselage final contour Its lot easier now wait until wing has installed Place fuselage parts perfectly flat table align centerlines machinists rule comes handy task Cover fuselage tissue adding dope-and-talcum-powder mixture silver luster used Sig finishing products exclusively model provide beautiful finish adding minimal weight Its during finishing process Concours ships made lost Sand out flaw fix ding Keep until model looks machined billet solid aluminum Since chose translucent color coat candy apple redthe base absolutely perfect 1987 ship used candy apple red over silver 1988 version pearl white undercoat After adding trim lettering use Letrasets ink lines mix clear coats follows two quarts Sig Litecoat two quarts DuPont 3608S tablespoon Dave Brown Flexall three drops fisheye killer Spray half amount air pressure 20-25 psi Wait two weeks gases completely evaporate sand dull satin finish 600- 1200-grit paper Spray final half clear coat again 20-25 psi Wait least six weeks sand 1200-grit paper Buff Gorham silver polish Final Shine buff again about six months mirrorlike finish will last seasons also like spray some Imron* around nose section protect droplets raw fuel * Note Safety precautions needed Imron amateurs Inhaling fumes lmron can lead extremely serious health problems Take time work hard Youll rewarded front-row model Propeller Ive always liked big-diameter wood props design small multibladed carbon props will give bit cornering ability square maneuver price faster airspeed Start Rev-Up Top Flite 13 x 6 full prop same size cut 121/2 windy conditions Tailoring corner technique get static balance exactly 8/o Testfly ship lines spaced 41/2 apart handle youll have 1 /2 overhang increase cornering ability space lines farther apart handle increase power-steering feel shorten overhang 11/4 Somewhere range youll achieve super tight turn corners control response suit skill level fine-tuning handle altering center-of-gravity consider joining PAMPA Editors note PAMPA Precision Aerobatics Model Pilots Associationa Continued page 191 ~ Box 1063 Lorain Ohio 44055 jj~0phone 216 282-8354 Big Flying Scale Kits Over Two Foot Span * PiperCub 1795 K * Stinson 125 1795 * Piper PA-lB 1795 PA 16 Clipp rcraft K ~p4osqulto Semi-Scale Kits 002 Rubber Power 22 Span * Taylorcratt 1095 * Stinson Voyager .. 1095 * pc-s Porter 1095 Contest-Sport Kits * Hornet Embryo 1095 * Hornet P-30 1695 Fits F-30 & Pee Wee Rules Outdoor Peanut Scale Kits 13Span *cubass * Stinson 125 a95 * Vagabond 895 * Farman 695 * Jodel 695 * Fike 995 1/2 RIO Gas Electric Kits Fits Astro 035 Taylorcraft3995 Stinson 1253995 HARD TO FIND ITEMS Brown 002 Motors Accessories Over 20 Sizes Rubber Strip Japanese Tissue Super Fine Balsa Sheets & Strips Add 10% Shipping $250 Minimum Shipping CATALOG $200 Its Easy LYY Safety Starter Safe one-push starting Recommended John Prestons Safety Comes First column ModelAvation Nov 90 Easy assemble battery starter PATENT N0ING 1 See ACE R/C dealer send check money order KRANKING Safety Starters PO Box 2563 Beaumont Texas 77704 Add $700 tsr packaging shipping uPS Tesas residents add 925% tales las Allow apprasimately tws weeks tar delivery Satlstaction Guaranteed SH-710 Pkg 24-52 95 EAsT HINEL THE HIGH-TECH HINGE DESIGNED FOR THE CYANOACRYLATE AGE Easier install other hinge- No gouging picking messy epoxies Simply cut single knite slot hinge slide hinges place apply few drops favorite GA glue youre done SUPER FAST SUPER EASY SUPER STRONG 74e ejt ia9e4 /oa & a% SIG MFG CO INC401-7 So Front St.Montezuma IA 50171 623-5154 supply company cheapest alternative pair automobile positive crankcase ventilation PCV valves sold dollar two department store automotive section Some hunting experimentation will necessary fit specific configuration tubes fittings intake valve can screwed directly spark plug hole opening suction created piston downstroke closing under pressure upstroke soldering intake valve half-inch copper pipe fitting can screw outflow valve exhaust port muffler used fit Threaded joints should sealed Mylar tape silicone glop one-way valves installed assembly becomes efficient air pump Provided motor adequate suitably low-ratio belt-drive reduction setup used pump will continue work until something system explodes regulator valve must installed either release excess pressure shut off power preset level Both types common relatively inexpensive Blowoff safety valves installed water heaters pressure-sensing electric switches universally employed water system pressure tanks luck discarded serviceable example either can found dump plumbers scrap heap otherwise youll have purchase blowoff valve bit less expensive Because requires no wiring its also simpler drawback using however compressor must run constantly pressure-sensing switch wired motor circuit preferred automatically cycles motor keep reservoir tank full regulators usually set range 40-60 lb ie 60 lb power cut pressure falls below 40 lb power turned again range fairly ideal modelers needs settings can fiddled turning set adjusting screws No special tubing required Quarter-inch I16 vinyl tubing secured hose clamps withstands pressure just fine Before being routed workbench air should dumped accumulator tank smooth out pulses form supply reservoir An empty freon tank salvaged auto repair shop dumpster will fit bill nozzles tanks have flare thread does match plumbing pipe fittings auto supply houses have adapters mate flare pipe tube fittings Dirt oil residue condensed water blown through lines can wreck paint job airbrush filter drying device should inserted downstream accumulator ready-made water trap can bought airbrush manufacturers effective less expensive can arranged using chunks foam rubber filters calcium chloride CaCI desiccant crystals sold hardware stores drying out damp closets CaCl becomes saturated pop microwave toaster oven few minutes dry out Any airtight metal plastic container will filter canisteras long can withstand pressure no glass Hose nipples can attached soldering epoxying supply line workbench can flexible vinyl PVC plastic copper iron pipe ending stopcock quick-connect fitting manifold multiple ports can rigged allow simultaneous use sprayer blowgun other tools might consider adding pressure gauge final touch class luck diligent scrounging just about components can found free few bits pieces hardware will have bought total price should remain under $20 attern/Staub Continued page 41 Steve Stricker finishing fourth place knocked hard door several times push top three received no reply least 25 hard-core extremely proficient pilots US F3A gets tougher year contest weather cool crisp engine performance its peak wind very difficult blowing almost straight out about 20-25 mph curious thing condition pilots flying quite close suspect styles World Championships flown October 1991 motivation doing writer satisfied own curiosity about subject last flight finals decided move flight way received best score contest will known about whether widespread new propensity just vagary Nationals competition after N-PAC NSRCA Pan-Am RC Championships held Lawrenceville Illinois July 26August 1 next big RC Pattern event summer Overall attendance down Pattern Nationals opening up can worms some believe because timing Nationals early season economy people having enough money attend impending N-PAC competition summary 1992 Nationals RC Pattern event great success congratulations order winners much thanks Tony Stillman AMA great contest ardinallUrtnowski Continued page 145 special interest group Send dues $15 per year Mike Keville 6109 E Ivyglen St Mesa AZ 85205 bimonthly newsletter Stunt News offers interesting tips build Cardinal please send photo add album models built flying well Cardinal owners could benefit exchanging information very special thanks Big Jim Greenaway help aspect Stunt program over years Big Jim call need advice assistance engines Stunt event has changed little since its inception classic lines great Stunt ships alive well As timeless 55 Chevy vintage designs still arouse artist make wish young again ovember 1992 191 PARTS LIST QtyItemCost 1Engine block 3-8 hp0 horizontal shaft 1Appliance motor0 2Drive pulleys$3 1Drive belt$2 4 ft2 x 12 wood base0-$4 2PCV valves$2 ea lOft114. /ie-in tube$10/ft vinyl rubber copper plastic 11 Fittings reducers$50 adapters neededea i/2ifl hose clamps$50 ea 1Pressure switch0-$15 safety valve0-$8 10 ft#12 electrical cord$20/ft 1 eaSwitch outlet box$150 cover plate plug end 1Freon tank0
Edition: Model Aviation - 1992/11
Page Numbers: 141, 142, 143, 144, 145, 191
IN history Stunt event four ships have awarded 20 appearance points rendering perfect airplanes judges eyes first 20-pointer Gene Martiness awesome Mariner followed six years later 1986 Ski Dombrovskis Lacemaker 1988 came Jim Casales Columbia own Cardinal Im honored part such small group artists Cardinal wanted classic lines 1960s Stunter proven aerodynamics Greenaway-designed Pattemmaster built-up construction all-wood airframe bulletproof controls all-weather flying dead-reliable engine characteristics Big Jim SuperTigre 60 Hemi also wantedand installedwingmounted gear pavement landings fuselage-mounted gear East Coast rough-grass shoot-outs wing displacement 1980 cubic Big picture author 91 version 20-appearance-point CL Stunter inches Cardinal ideal four such ships ever have won maximum appearance points Above Top SuperTigre 60 engine Theres no need five finishers 1991 Nationals Cardinal second row right finished strong second some extremely nasty wind November 1992 141 Full Size Plans AvailableSee Page 221 build model entirely punk wood use thin finish Editors note Punk wood very soft lightweight balsa Build nose solid dont cheat finish wing will create enough lift carry bulletproof airframe through years contest-winning service Cardinal airframes typically go thousands flights stress crack original Cardinal airframe survived midair Old-Timer Stunt ship wandered circle June 1990 Garden State Circle Burners contest pilot 015 model never realized hed almost destroyed work art hundreds Patterumasters built design numbers have proven over time Thats what makes Cardinal special After 2000 flights type ship Ive learned numbers get such model 90% bench trimmed before its lines have attached center-ofgravity important thing get right before fly Locate CG eight 81/s forward flap hinge line Make stand anchoring two pencils wooden hlock erasers pointed straight up Space wide enough apart straddle fuselage width Place Cardinal stand balance model precisely Turn model over RISS R/IN PS P GOJUNTONLECUP STEIPS ----F~-Th III__ LEOSOOT III LEGOOGT SOLIS N 0EGOIOVS-IT0TlSRITEGEIR 5I SWEEP RANGE ffi[ NOTE SUBSTITUTE 01151 PITUSTh MAPLE BLOCKS OLSO DPTIONGL SO UCAR PINNUTSST SO ESGISE NO OFFSET 50005P LI DIGOENSISE S GEGLE ESGIGE TO EIGET CN LIRE ELIOS SESIEES 0 TOENOSE CONSTRUCTION DETAILBI LIE PLCITO RA MAPLE BLOCSENGINE SourIOIS PLY COJELES/ _______15 NA MAPLE EUGINE NOTE PT TTEU F-IsIMOUNTS R SOGER IAN MEO zOOGiO I INOTE 00000 UIEOCCION 100 NREET PILLLIB LITE PLYP 5 P ST GO C 100 SHEETMOUNTING EGGSNOTE GUSEUNLI URSTEETSECTION EITY 1015 PLO GONEOTONECASI RUINS ALL EDGES 5UN PLTLNIrpEISLLSO ELINDNO OEGT FlNUTS WOLLOW 00 115 N -TONE ION NOTOON FN PT P 0P5P10F-IlF- IS EER TIORE SG OGOIGE ION LITE PLY oGsopsOam-NOTE TED WING N TUILR 00 FUEL TUNE RTI 00 PEP NAUG-GEEROLGO ORALL TRIMOSLUSEMETON0 ELUEPSINTED GO NPOTTERNWUSTER PLANS TN N GIG FULL IENNTN 5015 LOWSGRE OUGILGOLE EGOS NOTES CUBES RAROT OOT N STEEr INOW 001 NONE 114NINf COTELI ZIG RON ONTI suspend holding tail wheel prop blade Put gram scale under outer wing tip add lead tip until scale reads 2I2 oz youre using 018 braided lines instead solid ones keep adding lead until scale reads 3 oz Set CENTER LE OP SN SI 142 Model Aviation ardinal 89 Type CLPA WIngspan 62 inches Recommended engine size type SuperTigre 60 Expected flying weight 60-70 oz Type construction Built-up Type coveringdfinish recommended Silkspan wing tail surfaces tissue fuselage talcumand-dope clear coat buffed Gorham silver polish Final Shine Cardinal 89 Urtnowski has experimented color Concours-quality ships made during finishing process schemes characteristic mirrorlike finishTwo polished final clear coats add luster C ASP RELAIN115 MAPLE SPAR OSJBLORIBELLCRANOSCOT BOBBING5115 sORACE SPAS LAMINATE BELLOSANKMOUNT TOP ASS BOTTOMIllS VERTICAL GRAINSF B MOTiON OP EMS SPAS SIRS J 114 NA LEC-GRAINGA CARBON FIBER ISISA SlEET WBRGIPA I4~--II--IGERTICAL BRAINTIP REIST BINS LkTV---F----H J7—2-z-JI7T--JY7----Y72r-Yx---K CGSAIS IrtjiITLU oI K WI IG P Top VIE~ IIliii I_JLIII I~---- ------ WIIL ~-------5055 OSAISCAT GUT SING NOCETISACARAINNOTE GRAIN RANS PARALLEL 11B PLA ISORN CLIPS AS SGGSIS PS FLAP FASARGO EGIT FLAP SOBS CLIP 110 ALA -OOCSUIGEL II rNIIN 00 CARBON FIBER \F1LAYopvIEW PANARGO -TAPICALGANILIZOCEGAT N ____________________________________________________________[v35][b5301127539520]] 11NLUSH 515 SlEET SNEET 51005FILLET TYPICAL II- IIii I-LT.___ -[T IIi~I1HIIII S DAMH IIFLAPLIGAT II STE NT FILL EY -TYPICALIASS PAINING -IANLANN AG SNAWN IKEISNAPE AINPAIL SECTIONS INSANE SI. GTE NATN F AG LIGHTAF RN ON MANE OPTIGNAL BONEGALK INGOITTEGFAR CLARITYCARAM OSRAOOEN WITS NULL LINK ADINSTEN 1110 PLYS RSEOER FIN N GO KLISGUSE MEGIGS BALSAI-IINGLB TAP BLOON SALLOW 5$ SOONGOPTIANAL NINGE LINE F-AFTP-NP-SF-INF-IlF-ICF-IS IAPLA/ FERAINCRATCA,/ ---i STAMLIZEN --4Iii -4------ ___PA FAIRIRNSPANP _______________ r7I7 04~ I MALSAtENGINE DVI-KDL0I II-IlK NG TAILPOST IIiI- rB SI4EIA PAILWGBEL lIrE FL DOANLERIN 0 LN STOCK C-GRAB FUSELAGE SIEENNISOT BOTTOM WIT kINLITEPLYL S BOASTaA SISS MW GEAR C-GRAIN AT SO ANGLE REINFORCE SITS LIGOS TG tGLASS CLOT IG IAM PLY SAN MOUNT PLATE RITS S-GA KLINE MATS ATATATAOATY#ATA APSIONAL 1-110 BLOCK / LI ----7PANTS FRAN PS 01G LITE PLITE WREELS FUSELAGE SIDE VIEW CARDINALNG EDOINNEG NTRINGS URTNOSSNI AENOOSNBMICSNIG SIN GRENNASGA GRSINAI PLANSSTAGE INNS MATS-GO P51K AWARD 7 INKED 0IN55SG average two lead-outs 61/2 forward flap hinge linein other words 11/2 lead-out rake Use 11/4 rake solid lines ballpark numbers ensure good performance Once bench trimming has completed run engine twice plane ground tighten bolts clean fuel line filterand youre ready some very competitive flying first day out guesswork has eliminated program Greenaway engine fuel tank will give years hassle-free flying consistent engine runs Dont drill lightening holes engine mounts substitute parts nose mistaken attempt make lighter fuselage will weigh 10 101/2 oz properly built wont self-destruct halfway through season Years later youll appreciate wisdom type engineering Nothing frustrating model begins self-destruct just its trimmed out Nationals few weeks away list sources required hardware included plan Dont use 35-size control parts compromise design inadequate hardware flew Cardinal prototype 1987 Nationals using model test bed Craig Gunderss experimental exhaust systems ship battled Lincolns heavy winds take third place won both Sheeks Innovation Award Concours dElegance built two Cardinals 1988 1989 used develop tuned pipe systems SuperTigre 60 evolution tuned pipe system well documented set videotapes available Pro-Stunt Videos 9 Union Ave Little Ferry NJ 07643 Several Cardinals have built modifications such clipped wings flat wing tips seem have flown better ones built strictly print Ive flown nearly Cardinal built theyve performed well first 60-powered ship dont try come up cute inventions aimed superlight design Pro-Stunt Products custom made exhaust system Big Jim-style nose has air outlets fuselage side mber 1992 143 44KV i ANiSOR-SNO RI NSPO BLOCK TIP MODEL AVIATION CARDINAL 89 WINDY URTNOWSKI BY JOE DEMARCO NU RINNYSNNEET MA PLAN GLL RIMS I/H LIART C-GRAIN NOTCR FAR MAPLE SlR 0 CARRAN FIRER3/32 RIG WIRE ENDS TYPICAL ________________________________PUSRATA TYPICAL IA Ala RAHEL PLAY TYPICAL HITS SHEETING CAPYTRIPPIMA PRSBRAD END DETAIL 110 SREET VERTICAL SYW AA CARRON FIBER AOLLCAATI&PJSHROAS ASIA WITH 13116 MOMENT ARM TA FLAP-- ELEVATOR HAHN ISIOR DIV WIRE WITH 31V RAMENT ARM I/H DIV WIREOR VIA WIRE MICA MOMENT ARM PRAM DOWNTHE RELLCRANR M S/U ARAIS WERRINANAMENT TA TSE ELCO VAR HA CARRAS FIRER LAMINATED SPRUCE SPAR op k/A SA LE7II 0______PRO-START PRODUCTS ROL STSTEU 3/H DIA HALES FOR ST AIANRENT JIG RHASTIP RIMI/AR H/B TE _PRO-STUNT PRODUCTS 9 UNION AVE LITTLE FERRY NEW JERSEY 07643 201 440-0905 ~iiIIIL2 K WMOH 4 TECB6LOAT ThAT WORKA IFRONT VIEW STABILIZER ALL RIBS SPACED ON CERTER T/4SAEET STAR U ELEVATAR DRAW CENTERLIRE LE AFTER INSTAL/INA RVANA EAVESEEVTRMTWIDGRD ROE NYLON PER FRAMT AIEMB PER ELEVATAR LIART WEIGHT I/3D PLC EHA CAPSHILRRPANMODEL AVIATION MITT WRARS STRAPIIM PLT BORN P fl N 4 L MEARINCLIP C MATE MAM WEIART OF STAR B ELEOGTOH ELEVATOR BORN CLIP kIM PLH REVUIRED COOERCO N FIMISRED IN SILASH WITT BARNS R RINALV IHSTALLEO ME RAMS DESIGNED BY WINDY L,RIPRDWWINI INKED PLANS BY JOE DEMARCO WLL RIARTS SREET WV PLAN RESERVED 2 OF Swiss-cheesing engine mounts doublers instance nose construction guarantees consistent runs 60 engine choose foam wings reinforce wing center fiberglass dont skimp strength Wood selection possible use C-grain 4- 6-lb-density wood wing ribs fuselage sides tail feathers formers Use A-grain sheeting wing Use lightweight blocks wing tips fuselage top block some wood isnt up standard Cardinal wont disappoint Greenaway did professional job working out aerodynamics deserves credit unbelievable success design Cardinal truly classic Cardinals have built Dave Midgleys among prettiest best flying Both use molded fiberglass wheel pants Pro-Stunt Products Wing Make two plywood rib templates Stack-cut rib blanks template end Run bolts through rib stack clamp securely Carve sand ribs final shape built wing homemade jig using 318-in rods After completing basic framing added leading trailing edges cap strips wing tips hollowed-out blocks bellcrank mount similar used foam wings Much wing tail construction follows traditional techniques used Nobler familiar advanced builders Less experienced builders may 144 Model Aviation Pilots eye view Cardinals rakish lines Right Art school grad Urtnowski ink-lined cardinals head freehand using drafting pen Letraset press-on letters spell out models name other remarks Construction want check out thousands hints tips Nobler construction videotapes available Pro-Stunt Videos As alternative foam wings Cardinal available sheeted unsheeted exclusively Big Jim Greenaway Call 718 529-4631 Big Jims latest prices wings tanks engines Build stabilizer elevator using lightest wood available Cover wing tail surfaces silkspan Add unscented talcum powder mixed clear dope silver luster dope will harden youre building fuselage fussyfill nick silver now flawless glasslike finish Fuselage Begin building engine crutch Place aluminum pads engine mounts attach both mounts engine correct offset Fill area between mounts /2-in cross grained balsa Remove engine build body around crutch Use epoxy nose construction Carve hollow top block Sand fuselage final contour Its lot easier now wait until wing has installed Place fuselage parts perfectly flat table align centerlines machinists rule comes handy task Cover fuselage tissue adding dope-and-talcum-powder mixture silver luster used Sig finishing products exclusively model provide beautiful finish adding minimal weight Its during finishing process Concours ships made lost Sand out flaw fix ding Keep until model looks machined billet solid aluminum Since chose translucent color coat candy apple redthe base absolutely perfect 1987 ship used candy apple red over silver 1988 version pearl white undercoat After adding trim lettering use Letrasets ink lines mix clear coats follows two quarts Sig Litecoat two quarts DuPont 3608S tablespoon Dave Brown Flexall three drops fisheye killer Spray half amount air pressure 20-25 psi Wait two weeks gases completely evaporate sand dull satin finish 600- 1200-grit paper Spray final half clear coat again 20-25 psi Wait least six weeks sand 1200-grit paper Buff Gorham silver polish Final Shine buff again about six months mirrorlike finish will last seasons also like spray some Imron* around nose section protect droplets raw fuel * Note Safety precautions needed Imron amateurs Inhaling fumes lmron can lead extremely serious health problems Take time work hard Youll rewarded front-row model Propeller Ive always liked big-diameter wood props design small multibladed carbon props will give bit cornering ability square maneuver price faster airspeed Start Rev-Up Top Flite 13 x 6 full prop same size cut 121/2 windy conditions Tailoring corner technique get static balance exactly 8/o Testfly ship lines spaced 41/2 apart handle youll have 1 /2 overhang increase cornering ability space lines farther apart handle increase power-steering feel shorten overhang 11/4 Somewhere range youll achieve super tight turn corners control response suit skill level fine-tuning handle altering center-of-gravity consider joining PAMPA Editors note PAMPA Precision Aerobatics Model Pilots Associationa Continued page 191 ~ Box 1063 Lorain Ohio 44055 jj~0phone 216 282-8354 Big Flying Scale Kits Over Two Foot Span * PiperCub 1795 K * Stinson 125 1795 * Piper PA-lB 1795 PA 16 Clipp rcraft K ~p4osqulto Semi-Scale Kits 002 Rubber Power 22 Span * Taylorcratt 1095 * Stinson Voyager .. 1095 * pc-s Porter 1095 Contest-Sport Kits * Hornet Embryo 1095 * Hornet P-30 1695 Fits F-30 & Pee Wee Rules Outdoor Peanut Scale Kits 13Span *cubass * Stinson 125 a95 * Vagabond 895 * Farman 695 * Jodel 695 * Fike 995 1/2 RIO Gas Electric Kits Fits Astro 035 Taylorcraft3995 Stinson 1253995 HARD TO FIND ITEMS Brown 002 Motors Accessories Over 20 Sizes Rubber Strip Japanese Tissue Super Fine Balsa Sheets & Strips Add 10% Shipping $250 Minimum Shipping CATALOG $200 Its Easy LYY Safety Starter Safe one-push starting Recommended John Prestons Safety Comes First column ModelAvation Nov 90 Easy assemble battery starter PATENT N0ING 1 See ACE R/C dealer send check money order KRANKING Safety Starters PO Box 2563 Beaumont Texas 77704 Add $700 tsr packaging shipping uPS Tesas residents add 925% tales las Allow apprasimately tws weeks tar delivery Satlstaction Guaranteed SH-710 Pkg 24-52 95 EAsT HINEL THE HIGH-TECH HINGE DESIGNED FOR THE CYANOACRYLATE AGE Easier install other hinge- No gouging picking messy epoxies Simply cut single knite slot hinge slide hinges place apply few drops favorite GA glue youre done SUPER FAST SUPER EASY SUPER STRONG 74e ejt ia9e4 /oa & a% SIG MFG CO INC401-7 So Front St.Montezuma IA 50171 623-5154 supply company cheapest alternative pair automobile positive crankcase ventilation PCV valves sold dollar two department store automotive section Some hunting experimentation will necessary fit specific configuration tubes fittings intake valve can screwed directly spark plug hole opening suction created piston downstroke closing under pressure upstroke soldering intake valve half-inch copper pipe fitting can screw outflow valve exhaust port muffler used fit Threaded joints should sealed Mylar tape silicone glop one-way valves installed assembly becomes efficient air pump Provided motor adequate suitably low-ratio belt-drive reduction setup used pump will continue work until something system explodes regulator valve must installed either release excess pressure shut off power preset level Both types common relatively inexpensive Blowoff safety valves installed water heaters pressure-sensing electric switches universally employed water system pressure tanks luck discarded serviceable example either can found dump plumbers scrap heap otherwise youll have purchase blowoff valve bit less expensive Because requires no wiring its also simpler drawback using however compressor must run constantly pressure-sensing switch wired motor circuit preferred automatically cycles motor keep reservoir tank full regulators usually set range 40-60 lb ie 60 lb power cut pressure falls below 40 lb power turned again range fairly ideal modelers needs settings can fiddled turning set adjusting screws No special tubing required Quarter-inch I16 vinyl tubing secured hose clamps withstands pressure just fine Before being routed workbench air should dumped accumulator tank smooth out pulses form supply reservoir An empty freon tank salvaged auto repair shop dumpster will fit bill nozzles tanks have flare thread does match plumbing pipe fittings auto supply houses have adapters mate flare pipe tube fittings Dirt oil residue condensed water blown through lines can wreck paint job airbrush filter drying device should inserted downstream accumulator ready-made water trap can bought airbrush manufacturers effective less expensive can arranged using chunks foam rubber filters calcium chloride CaCI desiccant crystals sold hardware stores drying out damp closets CaCl becomes saturated pop microwave toaster oven few minutes dry out Any airtight metal plastic container will filter canisteras long can withstand pressure no glass Hose nipples can attached soldering epoxying supply line workbench can flexible vinyl PVC plastic copper iron pipe ending stopcock quick-connect fitting manifold multiple ports can rigged allow simultaneous use sprayer blowgun other tools might consider adding pressure gauge final touch class luck diligent scrounging just about components can found free few bits pieces hardware will have bought total price should remain under $20 attern/Staub Continued page 41 Steve Stricker finishing fourth place knocked hard door several times push top three received no reply least 25 hard-core extremely proficient pilots US F3A gets tougher year contest weather cool crisp engine performance its peak wind very difficult blowing almost straight out about 20-25 mph curious thing condition pilots flying quite close suspect styles World Championships flown October 1991 motivation doing writer satisfied own curiosity about subject last flight finals decided move flight way received best score contest will known about whether widespread new propensity just vagary Nationals competition after N-PAC NSRCA Pan-Am RC Championships held Lawrenceville Illinois July 26August 1 next big RC Pattern event summer Overall attendance down Pattern Nationals opening up can worms some believe because timing Nationals early season economy people having enough money attend impending N-PAC competition summary 1992 Nationals RC Pattern event great success congratulations order winners much thanks Tony Stillman AMA great contest ardinallUrtnowski Continued page 145 special interest group Send dues $15 per year Mike Keville 6109 E Ivyglen St Mesa AZ 85205 bimonthly newsletter Stunt News offers interesting tips build Cardinal please send photo add album models built flying well Cardinal owners could benefit exchanging information very special thanks Big Jim Greenaway help aspect Stunt program over years Big Jim call need advice assistance engines Stunt event has changed little since its inception classic lines great Stunt ships alive well As timeless 55 Chevy vintage designs still arouse artist make wish young again ovember 1992 191 PARTS LIST QtyItemCost 1Engine block 3-8 hp0 horizontal shaft 1Appliance motor0 2Drive pulleys$3 1Drive belt$2 4 ft2 x 12 wood base0-$4 2PCV valves$2 ea lOft114. /ie-in tube$10/ft vinyl rubber copper plastic 11 Fittings reducers$50 adapters neededea i/2ifl hose clamps$50 ea 1Pressure switch0-$15 safety valve0-$8 10 ft#12 electrical cord$20/ft 1 eaSwitch outlet box$150 cover plate plug end 1Freon tank0
Edition: Model Aviation - 1992/11
Page Numbers: 141, 142, 143, 144, 145, 191
IN history Stunt event four ships have awarded 20 appearance points rendering perfect airplanes judges eyes first 20-pointer Gene Martiness awesome Mariner followed six years later 1986 Ski Dombrovskis Lacemaker 1988 came Jim Casales Columbia own Cardinal Im honored part such small group artists Cardinal wanted classic lines 1960s Stunter proven aerodynamics Greenaway-designed Pattemmaster built-up construction all-wood airframe bulletproof controls all-weather flying dead-reliable engine characteristics Big Jim SuperTigre 60 Hemi also wantedand installedwingmounted gear pavement landings fuselage-mounted gear East Coast rough-grass shoot-outs wing displacement 1980 cubic Big picture author 91 version 20-appearance-point CL Stunter inches Cardinal ideal four such ships ever have won maximum appearance points Above Top SuperTigre 60 engine Theres no need five finishers 1991 Nationals Cardinal second row right finished strong second some extremely nasty wind November 1992 141 Full Size Plans AvailableSee Page 221 build model entirely punk wood use thin finish Editors note Punk wood very soft lightweight balsa Build nose solid dont cheat finish wing will create enough lift carry bulletproof airframe through years contest-winning service Cardinal airframes typically go thousands flights stress crack original Cardinal airframe survived midair Old-Timer Stunt ship wandered circle June 1990 Garden State Circle Burners contest pilot 015 model never realized hed almost destroyed work art hundreds Patterumasters built design numbers have proven over time Thats what makes Cardinal special After 2000 flights type ship Ive learned numbers get such model 90% bench trimmed before its lines have attached center-ofgravity important thing get right before fly Locate CG eight 81/s forward flap hinge line Make stand anchoring two pencils wooden hlock erasers pointed straight up Space wide enough apart straddle fuselage width Place Cardinal stand balance model precisely Turn model over RISS R/IN PS P GOJUNTONLECUP STEIPS ----F~-Th III__ LEOSOOT III LEGOOGT SOLIS N 0EGOIOVS-IT0TlSRITEGEIR 5I SWEEP RANGE ffi[ NOTE SUBSTITUTE 01151 PITUSTh MAPLE BLOCKS OLSO DPTIONGL SO UCAR PINNUTSST SO ESGISE NO OFFSET 50005P LI DIGOENSISE S GEGLE ESGIGE TO EIGET CN LIRE ELIOS SESIEES 0 TOENOSE CONSTRUCTION DETAILBI LIE PLCITO RA MAPLE BLOCSENGINE SourIOIS PLY COJELES/ _______15 NA MAPLE EUGINE NOTE PT TTEU F-IsIMOUNTS R SOGER IAN MEO zOOGiO I INOTE 00000 UIEOCCION 100 NREET PILLLIB LITE PLYP 5 P ST GO C 100 SHEETMOUNTING EGGSNOTE GUSEUNLI URSTEETSECTION EITY 1015 PLO GONEOTONECASI RUINS ALL EDGES 5UN PLTLNIrpEISLLSO ELINDNO OEGT FlNUTS WOLLOW 00 115 N -TONE ION NOTOON FN PT P 0P5P10F-IlF- IS EER TIORE SG OGOIGE ION LITE PLY oGsopsOam-NOTE TED WING N TUILR 00 FUEL TUNE RTI 00 PEP NAUG-GEEROLGO ORALL TRIMOSLUSEMETON0 ELUEPSINTED GO NPOTTERNWUSTER PLANS TN N GIG FULL IENNTN 5015 LOWSGRE OUGILGOLE EGOS NOTES CUBES RAROT OOT N STEEr INOW 001 NONE 114NINf COTELI ZIG RON ONTI suspend holding tail wheel prop blade Put gram scale under outer wing tip add lead tip until scale reads 2I2 oz youre using 018 braided lines instead solid ones keep adding lead until scale reads 3 oz Set CENTER LE OP SN SI 142 Model Aviation ardinal 89 Type CLPA WIngspan 62 inches Recommended engine size type SuperTigre 60 Expected flying weight 60-70 oz Type construction Built-up Type coveringdfinish recommended Silkspan wing tail surfaces tissue fuselage talcumand-dope clear coat buffed Gorham silver polish Final Shine Cardinal 89 Urtnowski has experimented color Concours-quality ships made during finishing process schemes characteristic mirrorlike finishTwo polished final clear coats add luster C ASP RELAIN115 MAPLE SPAR OSJBLORIBELLCRANOSCOT BOBBING5115 sORACE SPAS LAMINATE BELLOSANKMOUNT TOP ASS BOTTOMIllS VERTICAL GRAINSF B MOTiON OP EMS SPAS SIRS J 114 NA LEC-GRAINGA CARBON FIBER ISISA SlEET WBRGIPA I4~--II--IGERTICAL BRAINTIP REIST BINS LkTV---F----H J7—2-z-JI7T--JY7----Y72r-Yx---K CGSAIS IrtjiITLU oI K WI IG P Top VIE~ IIliii I_JLIII I~---- ------ WIIL ~-------5055 OSAISCAT GUT SING NOCETISACARAINNOTE GRAIN RANS PARALLEL 11B PLA ISORN CLIPS AS SGGSIS PS FLAP FASARGO EGIT FLAP SOBS CLIP 110 ALA -OOCSUIGEL II rNIIN 00 CARBON FIBER \F1LAYopvIEW PANARGO -TAPICALGANILIZOCEGAT N ____________________________________________________________[v35][b5301127539520]] 11NLUSH 515 SlEET SNEET 51005FILLET TYPICAL II- IIii I-LT.___ -[T IIi~I1HIIII S DAMH IIFLAPLIGAT II STE NT FILL EY -TYPICALIASS PAINING -IANLANN AG SNAWN IKEISNAPE AINPAIL SECTIONS INSANE SI. GTE NATN F AG LIGHTAF RN ON MANE OPTIGNAL BONEGALK INGOITTEGFAR CLARITYCARAM OSRAOOEN WITS NULL LINK ADINSTEN 1110 PLYS RSEOER FIN N GO KLISGUSE MEGIGS BALSAI-IINGLB TAP BLOON SALLOW 5$ SOONGOPTIANAL NINGE LINE F-AFTP-NP-SF-INF-IlF-ICF-IS IAPLA/ FERAINCRATCA,/ ---i STAMLIZEN --4Iii -4------ ___PA FAIRIRNSPANP _______________ r7I7 04~ I MALSAtENGINE DVI-KDL0I II-IlK NG TAILPOST IIiI- rB SI4EIA PAILWGBEL lIrE FL DOANLERIN 0 LN STOCK C-GRAB FUSELAGE SIEENNISOT BOTTOM WIT kINLITEPLYL S BOASTaA SISS MW GEAR C-GRAIN AT SO ANGLE REINFORCE SITS LIGOS TG tGLASS CLOT IG IAM PLY SAN MOUNT PLATE RITS S-GA KLINE MATS ATATATAOATY#ATA APSIONAL 1-110 BLOCK / LI ----7PANTS FRAN PS 01G LITE PLITE WREELS FUSELAGE SIDE VIEW CARDINALNG EDOINNEG NTRINGS URTNOSSNI AENOOSNBMICSNIG SIN GRENNASGA GRSINAI PLANSSTAGE INNS MATS-GO P51K AWARD 7 INKED 0IN55SG average two lead-outs 61/2 forward flap hinge linein other words 11/2 lead-out rake Use 11/4 rake solid lines ballpark numbers ensure good performance Once bench trimming has completed run engine twice plane ground tighten bolts clean fuel line filterand youre ready some very competitive flying first day out guesswork has eliminated program Greenaway engine fuel tank will give years hassle-free flying consistent engine runs Dont drill lightening holes engine mounts substitute parts nose mistaken attempt make lighter fuselage will weigh 10 101/2 oz properly built wont self-destruct halfway through season Years later youll appreciate wisdom type engineering Nothing frustrating model begins self-destruct just its trimmed out Nationals few weeks away list sources required hardware included plan Dont use 35-size control parts compromise design inadequate hardware flew Cardinal prototype 1987 Nationals using model test bed Craig Gunderss experimental exhaust systems ship battled Lincolns heavy winds take third place won both Sheeks Innovation Award Concours dElegance built two Cardinals 1988 1989 used develop tuned pipe systems SuperTigre 60 evolution tuned pipe system well documented set videotapes available Pro-Stunt Videos 9 Union Ave Little Ferry NJ 07643 Several Cardinals have built modifications such clipped wings flat wing tips seem have flown better ones built strictly print Ive flown nearly Cardinal built theyve performed well first 60-powered ship dont try come up cute inventions aimed superlight design Pro-Stunt Products custom made exhaust system Big Jim-style nose has air outlets fuselage side mber 1992 143 44KV i ANiSOR-SNO RI NSPO BLOCK TIP MODEL AVIATION CARDINAL 89 WINDY URTNOWSKI BY JOE DEMARCO NU RINNYSNNEET MA PLAN GLL RIMS I/H LIART C-GRAIN NOTCR FAR MAPLE SlR 0 CARRAN FIRER3/32 RIG WIRE ENDS TYPICAL ________________________________PUSRATA TYPICAL IA Ala RAHEL PLAY TYPICAL HITS SHEETING CAPYTRIPPIMA PRSBRAD END DETAIL 110 SREET VERTICAL SYW AA CARRON FIBER AOLLCAATI&PJSHROAS ASIA WITH 13116 MOMENT ARM TA FLAP-- ELEVATOR HAHN ISIOR DIV WIRE WITH 31V RAMENT ARM I/H DIV WIREOR VIA WIRE MICA MOMENT ARM PRAM DOWNTHE RELLCRANR M S/U ARAIS WERRINANAMENT TA TSE ELCO VAR HA CARRAS FIRER LAMINATED SPRUCE SPAR op k/A SA LE7II 0______PRO-START PRODUCTS ROL STSTEU 3/H DIA HALES FOR ST AIANRENT JIG RHASTIP RIMI/AR H/B TE _PRO-STUNT PRODUCTS 9 UNION AVE LITTLE FERRY NEW JERSEY 07643 201 440-0905 ~iiIIIL2 K WMOH 4 TECB6LOAT ThAT WORKA IFRONT VIEW STABILIZER ALL RIBS SPACED ON CERTER T/4SAEET STAR U ELEVATAR DRAW CENTERLIRE LE AFTER INSTAL/INA RVANA EAVESEEVTRMTWIDGRD ROE NYLON PER FRAMT AIEMB PER ELEVATAR LIART WEIGHT I/3D PLC EHA CAPSHILRRPANMODEL AVIATION MITT WRARS STRAPIIM PLT BORN P fl N 4 L MEARINCLIP C MATE MAM WEIART OF STAR B ELEOGTOH ELEVATOR BORN CLIP kIM PLH REVUIRED COOERCO N FIMISRED IN SILASH WITT BARNS R RINALV IHSTALLEO ME RAMS DESIGNED BY WINDY L,RIPRDWWINI INKED PLANS BY JOE DEMARCO WLL RIARTS SREET WV PLAN RESERVED 2 OF Swiss-cheesing engine mounts doublers instance nose construction guarantees consistent runs 60 engine choose foam wings reinforce wing center fiberglass dont skimp strength Wood selection possible use C-grain 4- 6-lb-density wood wing ribs fuselage sides tail feathers formers Use A-grain sheeting wing Use lightweight blocks wing tips fuselage top block some wood isnt up standard Cardinal wont disappoint Greenaway did professional job working out aerodynamics deserves credit unbelievable success design Cardinal truly classic Cardinals have built Dave Midgleys among prettiest best flying Both use molded fiberglass wheel pants Pro-Stunt Products Wing Make two plywood rib templates Stack-cut rib blanks template end Run bolts through rib stack clamp securely Carve sand ribs final shape built wing homemade jig using 318-in rods After completing basic framing added leading trailing edges cap strips wing tips hollowed-out blocks bellcrank mount similar used foam wings Much wing tail construction follows traditional techniques used Nobler familiar advanced builders Less experienced builders may 144 Model Aviation Pilots eye view Cardinals rakish lines Right Art school grad Urtnowski ink-lined cardinals head freehand using drafting pen Letraset press-on letters spell out models name other remarks Construction want check out thousands hints tips Nobler construction videotapes available Pro-Stunt Videos As alternative foam wings Cardinal available sheeted unsheeted exclusively Big Jim Greenaway Call 718 529-4631 Big Jims latest prices wings tanks engines Build stabilizer elevator using lightest wood available Cover wing tail surfaces silkspan Add unscented talcum powder mixed clear dope silver luster dope will harden youre building fuselage fussyfill nick silver now flawless glasslike finish Fuselage Begin building engine crutch Place aluminum pads engine mounts attach both mounts engine correct offset Fill area between mounts /2-in cross grained balsa Remove engine build body around crutch Use epoxy nose construction Carve hollow top block Sand fuselage final contour Its lot easier now wait until wing has installed Place fuselage parts perfectly flat table align centerlines machinists rule comes handy task Cover fuselage tissue adding dope-and-talcum-powder mixture silver luster used Sig finishing products exclusively model provide beautiful finish adding minimal weight Its during finishing process Concours ships made lost Sand out flaw fix ding Keep until model looks machined billet solid aluminum Since chose translucent color coat candy apple redthe base absolutely perfect 1987 ship used candy apple red over silver 1988 version pearl white undercoat After adding trim lettering use Letrasets ink lines mix clear coats follows two quarts Sig Litecoat two quarts DuPont 3608S tablespoon Dave Brown Flexall three drops fisheye killer Spray half amount air pressure 20-25 psi Wait two weeks gases completely evaporate sand dull satin finish 600- 1200-grit paper Spray final half clear coat again 20-25 psi Wait least six weeks sand 1200-grit paper Buff Gorham silver polish Final Shine buff again about six months mirrorlike finish will last seasons also like spray some Imron* around nose section protect droplets raw fuel * Note Safety precautions needed Imron amateurs Inhaling fumes lmron can lead extremely serious health problems Take time work hard Youll rewarded front-row model Propeller Ive always liked big-diameter wood props design small multibladed carbon props will give bit cornering ability square maneuver price faster airspeed Start Rev-Up Top Flite 13 x 6 full prop same size cut 121/2 windy conditions Tailoring corner technique get static balance exactly 8/o Testfly ship lines spaced 41/2 apart handle youll have 1 /2 overhang increase cornering ability space lines farther apart handle increase power-steering feel shorten overhang 11/4 Somewhere range youll achieve super tight turn corners control response suit skill level fine-tuning handle altering center-of-gravity consider joining PAMPA Editors note PAMPA Precision Aerobatics Model Pilots Associationa Continued page 191 ~ Box 1063 Lorain Ohio 44055 jj~0phone 216 282-8354 Big Flying Scale Kits Over Two Foot Span * PiperCub 1795 K * Stinson 125 1795 * Piper PA-lB 1795 PA 16 Clipp rcraft K ~p4osqulto Semi-Scale Kits 002 Rubber Power 22 Span * Taylorcratt 1095 * Stinson Voyager .. 1095 * pc-s Porter 1095 Contest-Sport Kits * Hornet Embryo 1095 * Hornet P-30 1695 Fits F-30 & Pee Wee Rules Outdoor Peanut Scale Kits 13Span *cubass * Stinson 125 a95 * Vagabond 895 * Farman 695 * Jodel 695 * Fike 995 1/2 RIO Gas Electric Kits Fits Astro 035 Taylorcraft3995 Stinson 1253995 HARD TO FIND ITEMS Brown 002 Motors Accessories Over 20 Sizes Rubber Strip Japanese Tissue Super Fine Balsa Sheets & Strips Add 10% Shipping $250 Minimum Shipping CATALOG $200 Its Easy LYY Safety Starter Safe one-push starting Recommended John Prestons Safety Comes First column ModelAvation Nov 90 Easy assemble battery starter PATENT N0ING 1 See ACE R/C dealer send check money order KRANKING Safety Starters PO Box 2563 Beaumont Texas 77704 Add $700 tsr packaging shipping uPS Tesas residents add 925% tales las Allow apprasimately tws weeks tar delivery Satlstaction Guaranteed SH-710 Pkg 24-52 95 EAsT HINEL THE HIGH-TECH HINGE DESIGNED FOR THE CYANOACRYLATE AGE Easier install other hinge- No gouging picking messy epoxies Simply cut single knite slot hinge slide hinges place apply few drops favorite GA glue youre done SUPER FAST SUPER EASY SUPER STRONG 74e ejt ia9e4 /oa & a% SIG MFG CO INC401-7 So Front St.Montezuma IA 50171 623-5154 supply company cheapest alternative pair automobile positive crankcase ventilation PCV valves sold dollar two department store automotive section Some hunting experimentation will necessary fit specific configuration tubes fittings intake valve can screwed directly spark plug hole opening suction created piston downstroke closing under pressure upstroke soldering intake valve half-inch copper pipe fitting can screw outflow valve exhaust port muffler used fit Threaded joints should sealed Mylar tape silicone glop one-way valves installed assembly becomes efficient air pump Provided motor adequate suitably low-ratio belt-drive reduction setup used pump will continue work until something system explodes regulator valve must installed either release excess pressure shut off power preset level Both types common relatively inexpensive Blowoff safety valves installed water heaters pressure-sensing electric switches universally employed water system pressure tanks luck discarded serviceable example either can found dump plumbers scrap heap otherwise youll have purchase blowoff valve bit less expensive Because requires no wiring its also simpler drawback using however compressor must run constantly pressure-sensing switch wired motor circuit preferred automatically cycles motor keep reservoir tank full regulators usually set range 40-60 lb ie 60 lb power cut pressure falls below 40 lb power turned again range fairly ideal modelers needs settings can fiddled turning set adjusting screws No special tubing required Quarter-inch I16 vinyl tubing secured hose clamps withstands pressure just fine Before being routed workbench air should dumped accumulator tank smooth out pulses form supply reservoir An empty freon tank salvaged auto repair shop dumpster will fit bill nozzles tanks have flare thread does match plumbing pipe fittings auto supply houses have adapters mate flare pipe tube fittings Dirt oil residue condensed water blown through lines can wreck paint job airbrush filter drying device should inserted downstream accumulator ready-made water trap can bought airbrush manufacturers effective less expensive can arranged using chunks foam rubber filters calcium chloride CaCI desiccant crystals sold hardware stores drying out damp closets CaCl becomes saturated pop microwave toaster oven few minutes dry out Any airtight metal plastic container will filter canisteras long can withstand pressure no glass Hose nipples can attached soldering epoxying supply line workbench can flexible vinyl PVC plastic copper iron pipe ending stopcock quick-connect fitting manifold multiple ports can rigged allow simultaneous use sprayer blowgun other tools might consider adding pressure gauge final touch class luck diligent scrounging just about components can found free few bits pieces hardware will have bought total price should remain under $20 attern/Staub Continued page 41 Steve Stricker finishing fourth place knocked hard door several times push top three received no reply least 25 hard-core extremely proficient pilots US F3A gets tougher year contest weather cool crisp engine performance its peak wind very difficult blowing almost straight out about 20-25 mph curious thing condition pilots flying quite close suspect styles World Championships flown October 1991 motivation doing writer satisfied own curiosity about subject last flight finals decided move flight way received best score contest will known about whether widespread new propensity just vagary Nationals competition after N-PAC NSRCA Pan-Am RC Championships held Lawrenceville Illinois July 26August 1 next big RC Pattern event summer Overall attendance down Pattern Nationals opening up can worms some believe because timing Nationals early season economy people having enough money attend impending N-PAC competition summary 1992 Nationals RC Pattern event great success congratulations order winners much thanks Tony Stillman AMA great contest ardinallUrtnowski Continued page 145 special interest group Send dues $15 per year Mike Keville 6109 E Ivyglen St Mesa AZ 85205 bimonthly newsletter Stunt News offers interesting tips build Cardinal please send photo add album models built flying well Cardinal owners could benefit exchanging information very special thanks Big Jim Greenaway help aspect Stunt program over years Big Jim call need advice assistance engines Stunt event has changed little since its inception classic lines great Stunt ships alive well As timeless 55 Chevy vintage designs still arouse artist make wish young again ovember 1992 191 PARTS LIST QtyItemCost 1Engine block 3-8 hp0 horizontal shaft 1Appliance motor0 2Drive pulleys$3 1Drive belt$2 4 ft2 x 12 wood base0-$4 2PCV valves$2 ea lOft114. /ie-in tube$10/ft vinyl rubber copper plastic 11 Fittings reducers$50 adapters neededea i/2ifl hose clamps$50 ea 1Pressure switch0-$15 safety valve0-$8 10 ft#12 electrical cord$20/ft 1 eaSwitch outlet box$150 cover plate plug end 1Freon tank0
Edition: Model Aviation - 1992/11
Page Numbers: 141, 142, 143, 144, 145, 191
IN history Stunt event four ships have awarded 20 appearance points rendering perfect airplanes judges eyes first 20-pointer Gene Martiness awesome Mariner followed six years later 1986 Ski Dombrovskis Lacemaker 1988 came Jim Casales Columbia own Cardinal Im honored part such small group artists Cardinal wanted classic lines 1960s Stunter proven aerodynamics Greenaway-designed Pattemmaster built-up construction all-wood airframe bulletproof controls all-weather flying dead-reliable engine characteristics Big Jim SuperTigre 60 Hemi also wantedand installedwingmounted gear pavement landings fuselage-mounted gear East Coast rough-grass shoot-outs wing displacement 1980 cubic Big picture author 91 version 20-appearance-point CL Stunter inches Cardinal ideal four such ships ever have won maximum appearance points Above Top SuperTigre 60 engine Theres no need five finishers 1991 Nationals Cardinal second row right finished strong second some extremely nasty wind November 1992 141 Full Size Plans AvailableSee Page 221 build model entirely punk wood use thin finish Editors note Punk wood very soft lightweight balsa Build nose solid dont cheat finish wing will create enough lift carry bulletproof airframe through years contest-winning service Cardinal airframes typically go thousands flights stress crack original Cardinal airframe survived midair Old-Timer Stunt ship wandered circle June 1990 Garden State Circle Burners contest pilot 015 model never realized hed almost destroyed work art hundreds Patterumasters built design numbers have proven over time Thats what makes Cardinal special After 2000 flights type ship Ive learned numbers get such model 90% bench trimmed before its lines have attached center-ofgravity important thing get right before fly Locate CG eight 81/s forward flap hinge line Make stand anchoring two pencils wooden hlock erasers pointed straight up Space wide enough apart straddle fuselage width Place Cardinal stand balance model precisely Turn model over RISS R/IN PS P GOJUNTONLECUP STEIPS ----F~-Th III__ LEOSOOT III LEGOOGT SOLIS N 0EGOIOVS-IT0TlSRITEGEIR 5I SWEEP RANGE ffi[ NOTE SUBSTITUTE 01151 PITUSTh MAPLE BLOCKS OLSO DPTIONGL SO UCAR PINNUTSST SO ESGISE NO OFFSET 50005P LI DIGOENSISE S GEGLE ESGIGE TO EIGET CN LIRE ELIOS SESIEES 0 TOENOSE CONSTRUCTION DETAILBI LIE PLCITO RA MAPLE BLOCSENGINE SourIOIS PLY COJELES/ _______15 NA MAPLE EUGINE NOTE PT TTEU F-IsIMOUNTS R SOGER IAN MEO zOOGiO I INOTE 00000 UIEOCCION 100 NREET PILLLIB LITE PLYP 5 P ST GO C 100 SHEETMOUNTING EGGSNOTE GUSEUNLI URSTEETSECTION EITY 1015 PLO GONEOTONECASI RUINS ALL EDGES 5UN PLTLNIrpEISLLSO ELINDNO OEGT FlNUTS WOLLOW 00 115 N -TONE ION NOTOON FN PT P 0P5P10F-IlF- IS EER TIORE SG OGOIGE ION LITE PLY oGsopsOam-NOTE TED WING N TUILR 00 FUEL TUNE RTI 00 PEP NAUG-GEEROLGO ORALL TRIMOSLUSEMETON0 ELUEPSINTED GO NPOTTERNWUSTER PLANS TN N GIG FULL IENNTN 5015 LOWSGRE OUGILGOLE EGOS NOTES CUBES RAROT OOT N STEEr INOW 001 NONE 114NINf COTELI ZIG RON ONTI suspend holding tail wheel prop blade Put gram scale under outer wing tip add lead tip until scale reads 2I2 oz youre using 018 braided lines instead solid ones keep adding lead until scale reads 3 oz Set CENTER LE OP SN SI 142 Model Aviation ardinal 89 Type CLPA WIngspan 62 inches Recommended engine size type SuperTigre 60 Expected flying weight 60-70 oz Type construction Built-up Type coveringdfinish recommended Silkspan wing tail surfaces tissue fuselage talcumand-dope clear coat buffed Gorham silver polish Final Shine Cardinal 89 Urtnowski has experimented color Concours-quality ships made during finishing process schemes characteristic mirrorlike finishTwo polished final clear coats add luster C ASP RELAIN115 MAPLE SPAR OSJBLORIBELLCRANOSCOT BOBBING5115 sORACE SPAS LAMINATE BELLOSANKMOUNT TOP ASS BOTTOMIllS VERTICAL GRAINSF B MOTiON OP EMS SPAS SIRS J 114 NA LEC-GRAINGA CARBON FIBER ISISA SlEET WBRGIPA I4~--II--IGERTICAL BRAINTIP REIST BINS LkTV---F----H J7—2-z-JI7T--JY7----Y72r-Yx---K CGSAIS IrtjiITLU oI K WI IG P Top VIE~ IIliii I_JLIII I~---- ------ WIIL ~-------5055 OSAISCAT GUT SING NOCETISACARAINNOTE GRAIN RANS PARALLEL 11B PLA ISORN CLIPS AS SGGSIS PS FLAP FASARGO EGIT FLAP SOBS CLIP 110 ALA -OOCSUIGEL II rNIIN 00 CARBON FIBER \F1LAYopvIEW PANARGO -TAPICALGANILIZOCEGAT N ____________________________________________________________[v35][b5301127539520]] 11NLUSH 515 SlEET SNEET 51005FILLET TYPICAL II- IIii I-LT.___ -[T IIi~I1HIIII S DAMH IIFLAPLIGAT II STE NT FILL EY -TYPICALIASS PAINING -IANLANN AG SNAWN IKEISNAPE AINPAIL SECTIONS INSANE SI. GTE NATN F AG LIGHTAF RN ON MANE OPTIGNAL BONEGALK INGOITTEGFAR CLARITYCARAM OSRAOOEN WITS NULL LINK ADINSTEN 1110 PLYS RSEOER FIN N GO KLISGUSE MEGIGS BALSAI-IINGLB TAP BLOON SALLOW 5$ SOONGOPTIANAL NINGE LINE F-AFTP-NP-SF-INF-IlF-ICF-IS IAPLA/ FERAINCRATCA,/ ---i STAMLIZEN --4Iii -4------ ___PA FAIRIRNSPANP _______________ r7I7 04~ I MALSAtENGINE DVI-KDL0I II-IlK NG TAILPOST IIiI- rB SI4EIA PAILWGBEL lIrE FL DOANLERIN 0 LN STOCK C-GRAB FUSELAGE SIEENNISOT BOTTOM WIT kINLITEPLYL S BOASTaA SISS MW GEAR C-GRAIN AT SO ANGLE REINFORCE SITS LIGOS TG tGLASS CLOT IG IAM PLY SAN MOUNT PLATE RITS S-GA KLINE MATS ATATATAOATY#ATA APSIONAL 1-110 BLOCK / LI ----7PANTS FRAN PS 01G LITE PLITE WREELS FUSELAGE SIDE VIEW CARDINALNG EDOINNEG NTRINGS URTNOSSNI AENOOSNBMICSNIG SIN GRENNASGA GRSINAI PLANSSTAGE INNS MATS-GO P51K AWARD 7 INKED 0IN55SG average two lead-outs 61/2 forward flap hinge linein other words 11/2 lead-out rake Use 11/4 rake solid lines ballpark numbers ensure good performance Once bench trimming has completed run engine twice plane ground tighten bolts clean fuel line filterand youre ready some very competitive flying first day out guesswork has eliminated program Greenaway engine fuel tank will give years hassle-free flying consistent engine runs Dont drill lightening holes engine mounts substitute parts nose mistaken attempt make lighter fuselage will weigh 10 101/2 oz properly built wont self-destruct halfway through season Years later youll appreciate wisdom type engineering Nothing frustrating model begins self-destruct just its trimmed out Nationals few weeks away list sources required hardware included plan Dont use 35-size control parts compromise design inadequate hardware flew Cardinal prototype 1987 Nationals using model test bed Craig Gunderss experimental exhaust systems ship battled Lincolns heavy winds take third place won both Sheeks Innovation Award Concours dElegance built two Cardinals 1988 1989 used develop tuned pipe systems SuperTigre 60 evolution tuned pipe system well documented set videotapes available Pro-Stunt Videos 9 Union Ave Little Ferry NJ 07643 Several Cardinals have built modifications such clipped wings flat wing tips seem have flown better ones built strictly print Ive flown nearly Cardinal built theyve performed well first 60-powered ship dont try come up cute inventions aimed superlight design Pro-Stunt Products custom made exhaust system Big Jim-style nose has air outlets fuselage side mber 1992 143 44KV i ANiSOR-SNO RI NSPO BLOCK TIP MODEL AVIATION CARDINAL 89 WINDY URTNOWSKI BY JOE DEMARCO NU RINNYSNNEET MA PLAN GLL RIMS I/H LIART C-GRAIN NOTCR FAR MAPLE SlR 0 CARRAN FIRER3/32 RIG WIRE ENDS TYPICAL ________________________________PUSRATA TYPICAL IA Ala RAHEL PLAY TYPICAL HITS SHEETING CAPYTRIPPIMA PRSBRAD END DETAIL 110 SREET VERTICAL SYW AA CARRON FIBER AOLLCAATI&PJSHROAS ASIA WITH 13116 MOMENT ARM TA FLAP-- ELEVATOR HAHN ISIOR DIV WIRE WITH 31V RAMENT ARM I/H DIV WIREOR VIA WIRE MICA MOMENT ARM PRAM DOWNTHE RELLCRANR M S/U ARAIS WERRINANAMENT TA TSE ELCO VAR HA CARRAS FIRER LAMINATED SPRUCE SPAR op k/A SA LE7II 0______PRO-START PRODUCTS ROL STSTEU 3/H DIA HALES FOR ST AIANRENT JIG RHASTIP RIMI/AR H/B TE _PRO-STUNT PRODUCTS 9 UNION AVE LITTLE FERRY NEW JERSEY 07643 201 440-0905 ~iiIIIL2 K WMOH 4 TECB6LOAT ThAT WORKA IFRONT VIEW STABILIZER ALL RIBS SPACED ON CERTER T/4SAEET STAR U ELEVATAR DRAW CENTERLIRE LE AFTER INSTAL/INA RVANA EAVESEEVTRMTWIDGRD ROE NYLON PER FRAMT AIEMB PER ELEVATAR LIART WEIGHT I/3D PLC EHA CAPSHILRRPANMODEL AVIATION MITT WRARS STRAPIIM PLT BORN P fl N 4 L MEARINCLIP C MATE MAM WEIART OF STAR B ELEOGTOH ELEVATOR BORN CLIP kIM PLH REVUIRED COOERCO N FIMISRED IN SILASH WITT BARNS R RINALV IHSTALLEO ME RAMS DESIGNED BY WINDY L,RIPRDWWINI INKED PLANS BY JOE DEMARCO WLL RIARTS SREET WV PLAN RESERVED 2 OF Swiss-cheesing engine mounts doublers instance nose construction guarantees consistent runs 60 engine choose foam wings reinforce wing center fiberglass dont skimp strength Wood selection possible use C-grain 4- 6-lb-density wood wing ribs fuselage sides tail feathers formers Use A-grain sheeting wing Use lightweight blocks wing tips fuselage top block some wood isnt up standard Cardinal wont disappoint Greenaway did professional job working out aerodynamics deserves credit unbelievable success design Cardinal truly classic Cardinals have built Dave Midgleys among prettiest best flying Both use molded fiberglass wheel pants Pro-Stunt Products Wing Make two plywood rib templates Stack-cut rib blanks template end Run bolts through rib stack clamp securely Carve sand ribs final shape built wing homemade jig using 318-in rods After completing basic framing added leading trailing edges cap strips wing tips hollowed-out blocks bellcrank mount similar used foam wings Much wing tail construction follows traditional techniques used Nobler familiar advanced builders Less experienced builders may 144 Model Aviation Pilots eye view Cardinals rakish lines Right Art school grad Urtnowski ink-lined cardinals head freehand using drafting pen Letraset press-on letters spell out models name other remarks Construction want check out thousands hints tips Nobler construction videotapes available Pro-Stunt Videos As alternative foam wings Cardinal available sheeted unsheeted exclusively Big Jim Greenaway Call 718 529-4631 Big Jims latest prices wings tanks engines Build stabilizer elevator using lightest wood available Cover wing tail surfaces silkspan Add unscented talcum powder mixed clear dope silver luster dope will harden youre building fuselage fussyfill nick silver now flawless glasslike finish Fuselage Begin building engine crutch Place aluminum pads engine mounts attach both mounts engine correct offset Fill area between mounts /2-in cross grained balsa Remove engine build body around crutch Use epoxy nose construction Carve hollow top block Sand fuselage final contour Its lot easier now wait until wing has installed Place fuselage parts perfectly flat table align centerlines machinists rule comes handy task Cover fuselage tissue adding dope-and-talcum-powder mixture silver luster used Sig finishing products exclusively model provide beautiful finish adding minimal weight Its during finishing process Concours ships made lost Sand out flaw fix ding Keep until model looks machined billet solid aluminum Since chose translucent color coat candy apple redthe base absolutely perfect 1987 ship used candy apple red over silver 1988 version pearl white undercoat After adding trim lettering use Letrasets ink lines mix clear coats follows two quarts Sig Litecoat two quarts DuPont 3608S tablespoon Dave Brown Flexall three drops fisheye killer Spray half amount air pressure 20-25 psi Wait two weeks gases completely evaporate sand dull satin finish 600- 1200-grit paper Spray final half clear coat again 20-25 psi Wait least six weeks sand 1200-grit paper Buff Gorham silver polish Final Shine buff again about six months mirrorlike finish will last seasons also like spray some Imron* around nose section protect droplets raw fuel * Note Safety precautions needed Imron amateurs Inhaling fumes lmron can lead extremely serious health problems Take time work hard Youll rewarded front-row model Propeller Ive always liked big-diameter wood props design small multibladed carbon props will give bit cornering ability square maneuver price faster airspeed Start Rev-Up Top Flite 13 x 6 full prop same size cut 121/2 windy conditions Tailoring corner technique get static balance exactly 8/o Testfly ship lines spaced 41/2 apart handle youll have 1 /2 overhang increase cornering ability space lines farther apart handle increase power-steering feel shorten overhang 11/4 Somewhere range youll achieve super tight turn corners control response suit skill level fine-tuning handle altering center-of-gravity consider joining PAMPA Editors note PAMPA Precision Aerobatics Model Pilots Associationa Continued page 191 ~ Box 1063 Lorain Ohio 44055 jj~0phone 216 282-8354 Big Flying Scale Kits Over Two Foot Span * PiperCub 1795 K * Stinson 125 1795 * Piper PA-lB 1795 PA 16 Clipp rcraft K ~p4osqulto Semi-Scale Kits 002 Rubber Power 22 Span * Taylorcratt 1095 * Stinson Voyager .. 1095 * pc-s Porter 1095 Contest-Sport Kits * Hornet Embryo 1095 * Hornet P-30 1695 Fits F-30 & Pee Wee Rules Outdoor Peanut Scale Kits 13Span *cubass * Stinson 125 a95 * Vagabond 895 * Farman 695 * Jodel 695 * Fike 995 1/2 RIO Gas Electric Kits Fits Astro 035 Taylorcraft3995 Stinson 1253995 HARD TO FIND ITEMS Brown 002 Motors Accessories Over 20 Sizes Rubber Strip Japanese Tissue Super Fine Balsa Sheets & Strips Add 10% Shipping $250 Minimum Shipping CATALOG $200 Its Easy LYY Safety Starter Safe one-push starting Recommended John Prestons Safety Comes First column ModelAvation Nov 90 Easy assemble battery starter PATENT N0ING 1 See ACE R/C dealer send check money order KRANKING Safety Starters PO Box 2563 Beaumont Texas 77704 Add $700 tsr packaging shipping uPS Tesas residents add 925% tales las Allow apprasimately tws weeks tar delivery Satlstaction Guaranteed SH-710 Pkg 24-52 95 EAsT HINEL THE HIGH-TECH HINGE DESIGNED FOR THE CYANOACRYLATE AGE Easier install other hinge- No gouging picking messy epoxies Simply cut single knite slot hinge slide hinges place apply few drops favorite GA glue youre done SUPER FAST SUPER EASY SUPER STRONG 74e ejt ia9e4 /oa & a% SIG MFG CO INC401-7 So Front St.Montezuma IA 50171 623-5154 supply company cheapest alternative pair automobile positive crankcase ventilation PCV valves sold dollar two department store automotive section Some hunting experimentation will necessary fit specific configuration tubes fittings intake valve can screwed directly spark plug hole opening suction created piston downstroke closing under pressure upstroke soldering intake valve half-inch copper pipe fitting can screw outflow valve exhaust port muffler used fit Threaded joints should sealed Mylar tape silicone glop one-way valves installed assembly becomes efficient air pump Provided motor adequate suitably low-ratio belt-drive reduction setup used pump will continue work until something system explodes regulator valve must installed either release excess pressure shut off power preset level Both types common relatively inexpensive Blowoff safety valves installed water heaters pressure-sensing electric switches universally employed water system pressure tanks luck discarded serviceable example either can found dump plumbers scrap heap otherwise youll have purchase blowoff valve bit less expensive Because requires no wiring its also simpler drawback using however compressor must run constantly pressure-sensing switch wired motor circuit preferred automatically cycles motor keep reservoir tank full regulators usually set range 40-60 lb ie 60 lb power cut pressure falls below 40 lb power turned again range fairly ideal modelers needs settings can fiddled turning set adjusting screws No special tubing required Quarter-inch I16 vinyl tubing secured hose clamps withstands pressure just fine Before being routed workbench air should dumped accumulator tank smooth out pulses form supply reservoir An empty freon tank salvaged auto repair shop dumpster will fit bill nozzles tanks have flare thread does match plumbing pipe fittings auto supply houses have adapters mate flare pipe tube fittings Dirt oil residue condensed water blown through lines can wreck paint job airbrush filter drying device should inserted downstream accumulator ready-made water trap can bought airbrush manufacturers effective less expensive can arranged using chunks foam rubber filters calcium chloride CaCI desiccant crystals sold hardware stores drying out damp closets CaCl becomes saturated pop microwave toaster oven few minutes dry out Any airtight metal plastic container will filter canisteras long can withstand pressure no glass Hose nipples can attached soldering epoxying supply line workbench can flexible vinyl PVC plastic copper iron pipe ending stopcock quick-connect fitting manifold multiple ports can rigged allow simultaneous use sprayer blowgun other tools might consider adding pressure gauge final touch class luck diligent scrounging just about components can found free few bits pieces hardware will have bought total price should remain under $20 attern/Staub Continued page 41 Steve Stricker finishing fourth place knocked hard door several times push top three received no reply least 25 hard-core extremely proficient pilots US F3A gets tougher year contest weather cool crisp engine performance its peak wind very difficult blowing almost straight out about 20-25 mph curious thing condition pilots flying quite close suspect styles World Championships flown October 1991 motivation doing writer satisfied own curiosity about subject last flight finals decided move flight way received best score contest will known about whether widespread new propensity just vagary Nationals competition after N-PAC NSRCA Pan-Am RC Championships held Lawrenceville Illinois July 26August 1 next big RC Pattern event summer Overall attendance down Pattern Nationals opening up can worms some believe because timing Nationals early season economy people having enough money attend impending N-PAC competition summary 1992 Nationals RC Pattern event great success congratulations order winners much thanks Tony Stillman AMA great contest ardinallUrtnowski Continued page 145 special interest group Send dues $15 per year Mike Keville 6109 E Ivyglen St Mesa AZ 85205 bimonthly newsletter Stunt News offers interesting tips build Cardinal please send photo add album models built flying well Cardinal owners could benefit exchanging information very special thanks Big Jim Greenaway help aspect Stunt program over years Big Jim call need advice assistance engines Stunt event has changed little since its inception classic lines great Stunt ships alive well As timeless 55 Chevy vintage designs still arouse artist make wish young again ovember 1992 191 PARTS LIST QtyItemCost 1Engine block 3-8 hp0 horizontal shaft 1Appliance motor0 2Drive pulleys$3 1Drive belt$2 4 ft2 x 12 wood base0-$4 2PCV valves$2 ea lOft114. /ie-in tube$10/ft vinyl rubber copper plastic 11 Fittings reducers$50 adapters neededea i/2ifl hose clamps$50 ea 1Pressure switch0-$15 safety valve0-$8 10 ft#12 electrical cord$20/ft 1 eaSwitch outlet box$150 cover plate plug end 1Freon tank0
Edition: Model Aviation - 1992/11
Page Numbers: 141, 142, 143, 144, 145, 191
IN history Stunt event four ships have awarded 20 appearance points rendering perfect airplanes judges eyes first 20-pointer Gene Martiness awesome Mariner followed six years later 1986 Ski Dombrovskis Lacemaker 1988 came Jim Casales Columbia own Cardinal Im honored part such small group artists Cardinal wanted classic lines 1960s Stunter proven aerodynamics Greenaway-designed Pattemmaster built-up construction all-wood airframe bulletproof controls all-weather flying dead-reliable engine characteristics Big Jim SuperTigre 60 Hemi also wantedand installedwingmounted gear pavement landings fuselage-mounted gear East Coast rough-grass shoot-outs wing displacement 1980 cubic Big picture author 91 version 20-appearance-point CL Stunter inches Cardinal ideal four such ships ever have won maximum appearance points Above Top SuperTigre 60 engine Theres no need five finishers 1991 Nationals Cardinal second row right finished strong second some extremely nasty wind November 1992 141 Full Size Plans AvailableSee Page 221 build model entirely punk wood use thin finish Editors note Punk wood very soft lightweight balsa Build nose solid dont cheat finish wing will create enough lift carry bulletproof airframe through years contest-winning service Cardinal airframes typically go thousands flights stress crack original Cardinal airframe survived midair Old-Timer Stunt ship wandered circle June 1990 Garden State Circle Burners contest pilot 015 model never realized hed almost destroyed work art hundreds Patterumasters built design numbers have proven over time Thats what makes Cardinal special After 2000 flights type ship Ive learned numbers get such model 90% bench trimmed before its lines have attached center-ofgravity important thing get right before fly Locate CG eight 81/s forward flap hinge line Make stand anchoring two pencils wooden hlock erasers pointed straight up Space wide enough apart straddle fuselage width Place Cardinal stand balance model precisely Turn model over RISS R/IN PS P GOJUNTONLECUP STEIPS ----F~-Th III__ LEOSOOT III LEGOOGT SOLIS N 0EGOIOVS-IT0TlSRITEGEIR 5I SWEEP RANGE ffi[ NOTE SUBSTITUTE 01151 PITUSTh MAPLE BLOCKS OLSO DPTIONGL SO UCAR PINNUTSST SO ESGISE NO OFFSET 50005P LI DIGOENSISE S GEGLE ESGIGE TO EIGET CN LIRE ELIOS SESIEES 0 TOENOSE CONSTRUCTION DETAILBI LIE PLCITO RA MAPLE BLOCSENGINE SourIOIS PLY COJELES/ _______15 NA MAPLE EUGINE NOTE PT TTEU F-IsIMOUNTS R SOGER IAN MEO zOOGiO I INOTE 00000 UIEOCCION 100 NREET PILLLIB LITE PLYP 5 P ST GO C 100 SHEETMOUNTING EGGSNOTE GUSEUNLI URSTEETSECTION EITY 1015 PLO GONEOTONECASI RUINS ALL EDGES 5UN PLTLNIrpEISLLSO ELINDNO OEGT FlNUTS WOLLOW 00 115 N -TONE ION NOTOON FN PT P 0P5P10F-IlF- IS EER TIORE SG OGOIGE ION LITE PLY oGsopsOam-NOTE TED WING N TUILR 00 FUEL TUNE RTI 00 PEP NAUG-GEEROLGO ORALL TRIMOSLUSEMETON0 ELUEPSINTED GO NPOTTERNWUSTER PLANS TN N GIG FULL IENNTN 5015 LOWSGRE OUGILGOLE EGOS NOTES CUBES RAROT OOT N STEEr INOW 001 NONE 114NINf COTELI ZIG RON ONTI suspend holding tail wheel prop blade Put gram scale under outer wing tip add lead tip until scale reads 2I2 oz youre using 018 braided lines instead solid ones keep adding lead until scale reads 3 oz Set CENTER LE OP SN SI 142 Model Aviation ardinal 89 Type CLPA WIngspan 62 inches Recommended engine size type SuperTigre 60 Expected flying weight 60-70 oz Type construction Built-up Type coveringdfinish recommended Silkspan wing tail surfaces tissue fuselage talcumand-dope clear coat buffed Gorham silver polish Final Shine Cardinal 89 Urtnowski has experimented color Concours-quality ships made during finishing process schemes characteristic mirrorlike finishTwo polished final clear coats add luster C ASP RELAIN115 MAPLE SPAR OSJBLORIBELLCRANOSCOT BOBBING5115 sORACE SPAS LAMINATE BELLOSANKMOUNT TOP ASS BOTTOMIllS VERTICAL GRAINSF B MOTiON OP EMS SPAS SIRS J 114 NA LEC-GRAINGA CARBON FIBER ISISA SlEET WBRGIPA I4~--II--IGERTICAL BRAINTIP REIST BINS LkTV---F----H J7—2-z-JI7T--JY7----Y72r-Yx---K CGSAIS IrtjiITLU oI K WI IG P Top VIE~ IIliii I_JLIII I~---- ------ WIIL ~-------5055 OSAISCAT GUT SING NOCETISACARAINNOTE GRAIN RANS PARALLEL 11B PLA ISORN CLIPS AS SGGSIS PS FLAP FASARGO EGIT FLAP SOBS CLIP 110 ALA -OOCSUIGEL II rNIIN 00 CARBON FIBER \F1LAYopvIEW PANARGO -TAPICALGANILIZOCEGAT N ____________________________________________________________[v35][b5301127539520]] 11NLUSH 515 SlEET SNEET 51005FILLET TYPICAL II- IIii I-LT.___ -[T IIi~I1HIIII S DAMH IIFLAPLIGAT II STE NT FILL EY -TYPICALIASS PAINING -IANLANN AG SNAWN IKEISNAPE AINPAIL SECTIONS INSANE SI. GTE NATN F AG LIGHTAF RN ON MANE OPTIGNAL BONEGALK INGOITTEGFAR CLARITYCARAM OSRAOOEN WITS NULL LINK ADINSTEN 1110 PLYS RSEOER FIN N GO KLISGUSE MEGIGS BALSAI-IINGLB TAP BLOON SALLOW 5$ SOONGOPTIANAL NINGE LINE F-AFTP-NP-SF-INF-IlF-ICF-IS IAPLA/ FERAINCRATCA,/ ---i STAMLIZEN --4Iii -4------ ___PA FAIRIRNSPANP _______________ r7I7 04~ I MALSAtENGINE DVI-KDL0I II-IlK NG TAILPOST IIiI- rB SI4EIA PAILWGBEL lIrE FL DOANLERIN 0 LN STOCK C-GRAB FUSELAGE SIEENNISOT BOTTOM WIT kINLITEPLYL S BOASTaA SISS MW GEAR C-GRAIN AT SO ANGLE REINFORCE SITS LIGOS TG tGLASS CLOT IG IAM PLY SAN MOUNT PLATE RITS S-GA KLINE MATS ATATATAOATY#ATA APSIONAL 1-110 BLOCK / LI ----7PANTS FRAN PS 01G LITE PLITE WREELS FUSELAGE SIDE VIEW CARDINALNG EDOINNEG NTRINGS URTNOSSNI AENOOSNBMICSNIG SIN GRENNASGA GRSINAI PLANSSTAGE INNS MATS-GO P51K AWARD 7 INKED 0IN55SG average two lead-outs 61/2 forward flap hinge linein other words 11/2 lead-out rake Use 11/4 rake solid lines ballpark numbers ensure good performance Once bench trimming has completed run engine twice plane ground tighten bolts clean fuel line filterand youre ready some very competitive flying first day out guesswork has eliminated program Greenaway engine fuel tank will give years hassle-free flying consistent engine runs Dont drill lightening holes engine mounts substitute parts nose mistaken attempt make lighter fuselage will weigh 10 101/2 oz properly built wont self-destruct halfway through season Years later youll appreciate wisdom type engineering Nothing frustrating model begins self-destruct just its trimmed out Nationals few weeks away list sources required hardware included plan Dont use 35-size control parts compromise design inadequate hardware flew Cardinal prototype 1987 Nationals using model test bed Craig Gunderss experimental exhaust systems ship battled Lincolns heavy winds take third place won both Sheeks Innovation Award Concours dElegance built two Cardinals 1988 1989 used develop tuned pipe systems SuperTigre 60 evolution tuned pipe system well documented set videotapes available Pro-Stunt Videos 9 Union Ave Little Ferry NJ 07643 Several Cardinals have built modifications such clipped wings flat wing tips seem have flown better ones built strictly print Ive flown nearly Cardinal built theyve performed well first 60-powered ship dont try come up cute inventions aimed superlight design Pro-Stunt Products custom made exhaust system Big Jim-style nose has air outlets fuselage side mber 1992 143 44KV i ANiSOR-SNO RI NSPO BLOCK TIP MODEL AVIATION CARDINAL 89 WINDY URTNOWSKI BY JOE DEMARCO NU RINNYSNNEET MA PLAN GLL RIMS I/H LIART C-GRAIN NOTCR FAR MAPLE SlR 0 CARRAN FIRER3/32 RIG WIRE ENDS TYPICAL ________________________________PUSRATA TYPICAL IA Ala RAHEL PLAY TYPICAL HITS SHEETING CAPYTRIPPIMA PRSBRAD END DETAIL 110 SREET VERTICAL SYW AA CARRON FIBER AOLLCAATI&PJSHROAS ASIA WITH 13116 MOMENT ARM TA FLAP-- ELEVATOR HAHN ISIOR DIV WIRE WITH 31V RAMENT ARM I/H DIV WIREOR VIA WIRE MICA MOMENT ARM PRAM DOWNTHE RELLCRANR M S/U ARAIS WERRINANAMENT TA TSE ELCO VAR HA CARRAS FIRER LAMINATED SPRUCE SPAR op k/A SA LE7II 0______PRO-START PRODUCTS ROL STSTEU 3/H DIA HALES FOR ST AIANRENT JIG RHASTIP RIMI/AR H/B TE _PRO-STUNT PRODUCTS 9 UNION AVE LITTLE FERRY NEW JERSEY 07643 201 440-0905 ~iiIIIL2 K WMOH 4 TECB6LOAT ThAT WORKA IFRONT VIEW STABILIZER ALL RIBS SPACED ON CERTER T/4SAEET STAR U ELEVATAR DRAW CENTERLIRE LE AFTER INSTAL/INA RVANA EAVESEEVTRMTWIDGRD ROE NYLON PER FRAMT AIEMB PER ELEVATAR LIART WEIGHT I/3D PLC EHA CAPSHILRRPANMODEL AVIATION MITT WRARS STRAPIIM PLT BORN P fl N 4 L MEARINCLIP C MATE MAM WEIART OF STAR B ELEOGTOH ELEVATOR BORN CLIP kIM PLH REVUIRED COOERCO N FIMISRED IN SILASH WITT BARNS R RINALV IHSTALLEO ME RAMS DESIGNED BY WINDY L,RIPRDWWINI INKED PLANS BY JOE DEMARCO WLL RIARTS SREET WV PLAN RESERVED 2 OF Swiss-cheesing engine mounts doublers instance nose construction guarantees consistent runs 60 engine choose foam wings reinforce wing center fiberglass dont skimp strength Wood selection possible use C-grain 4- 6-lb-density wood wing ribs fuselage sides tail feathers formers Use A-grain sheeting wing Use lightweight blocks wing tips fuselage top block some wood isnt up standard Cardinal wont disappoint Greenaway did professional job working out aerodynamics deserves credit unbelievable success design Cardinal truly classic Cardinals have built Dave Midgleys among prettiest best flying Both use molded fiberglass wheel pants Pro-Stunt Products Wing Make two plywood rib templates Stack-cut rib blanks template end Run bolts through rib stack clamp securely Carve sand ribs final shape built wing homemade jig using 318-in rods After completing basic framing added leading trailing edges cap strips wing tips hollowed-out blocks bellcrank mount similar used foam wings Much wing tail construction follows traditional techniques used Nobler familiar advanced builders Less experienced builders may 144 Model Aviation Pilots eye view Cardinals rakish lines Right Art school grad Urtnowski ink-lined cardinals head freehand using drafting pen Letraset press-on letters spell out models name other remarks Construction want check out thousands hints tips Nobler construction videotapes available Pro-Stunt Videos As alternative foam wings Cardinal available sheeted unsheeted exclusively Big Jim Greenaway Call 718 529-4631 Big Jims latest prices wings tanks engines Build stabilizer elevator using lightest wood available Cover wing tail surfaces silkspan Add unscented talcum powder mixed clear dope silver luster dope will harden youre building fuselage fussyfill nick silver now flawless glasslike finish Fuselage Begin building engine crutch Place aluminum pads engine mounts attach both mounts engine correct offset Fill area between mounts /2-in cross grained balsa Remove engine build body around crutch Use epoxy nose construction Carve hollow top block Sand fuselage final contour Its lot easier now wait until wing has installed Place fuselage parts perfectly flat table align centerlines machinists rule comes handy task Cover fuselage tissue adding dope-and-talcum-powder mixture silver luster used Sig finishing products exclusively model provide beautiful finish adding minimal weight Its during finishing process Concours ships made lost Sand out flaw fix ding Keep until model looks machined billet solid aluminum Since chose translucent color coat candy apple redthe base absolutely perfect 1987 ship used candy apple red over silver 1988 version pearl white undercoat After adding trim lettering use Letrasets ink lines mix clear coats follows two quarts Sig Litecoat two quarts DuPont 3608S tablespoon Dave Brown Flexall three drops fisheye killer Spray half amount air pressure 20-25 psi Wait two weeks gases completely evaporate sand dull satin finish 600- 1200-grit paper Spray final half clear coat again 20-25 psi Wait least six weeks sand 1200-grit paper Buff Gorham silver polish Final Shine buff again about six months mirrorlike finish will last seasons also like spray some Imron* around nose section protect droplets raw fuel * Note Safety precautions needed Imron amateurs Inhaling fumes lmron can lead extremely serious health problems Take time work hard Youll rewarded front-row model Propeller Ive always liked big-diameter wood props design small multibladed carbon props will give bit cornering ability square maneuver price faster airspeed Start Rev-Up Top Flite 13 x 6 full prop same size cut 121/2 windy conditions Tailoring corner technique get static balance exactly 8/o Testfly ship lines spaced 41/2 apart handle youll have 1 /2 overhang increase cornering ability space lines farther apart handle increase power-steering feel shorten overhang 11/4 Somewhere range youll achieve super tight turn corners control response suit skill level fine-tuning handle altering center-of-gravity consider joining PAMPA Editors note PAMPA Precision Aerobatics Model Pilots Associationa Continued page 191 ~ Box 1063 Lorain Ohio 44055 jj~0phone 216 282-8354 Big Flying Scale Kits Over Two Foot Span * PiperCub 1795 K * Stinson 125 1795 * Piper PA-lB 1795 PA 16 Clipp rcraft K ~p4osqulto Semi-Scale Kits 002 Rubber Power 22 Span * Taylorcratt 1095 * Stinson Voyager .. 1095 * pc-s Porter 1095 Contest-Sport Kits * Hornet Embryo 1095 * Hornet P-30 1695 Fits F-30 & Pee Wee Rules Outdoor Peanut Scale Kits 13Span *cubass * Stinson 125 a95 * Vagabond 895 * Farman 695 * Jodel 695 * Fike 995 1/2 RIO Gas Electric Kits Fits Astro 035 Taylorcraft3995 Stinson 1253995 HARD TO FIND ITEMS Brown 002 Motors Accessories Over 20 Sizes Rubber Strip Japanese Tissue Super Fine Balsa Sheets & Strips Add 10% Shipping $250 Minimum Shipping CATALOG $200 Its Easy LYY Safety Starter Safe one-push starting Recommended John Prestons Safety Comes First column ModelAvation Nov 90 Easy assemble battery starter PATENT N0ING 1 See ACE R/C dealer send check money order KRANKING Safety Starters PO Box 2563 Beaumont Texas 77704 Add $700 tsr packaging shipping uPS Tesas residents add 925% tales las Allow apprasimately tws weeks tar delivery Satlstaction Guaranteed SH-710 Pkg 24-52 95 EAsT HINEL THE HIGH-TECH HINGE DESIGNED FOR THE CYANOACRYLATE AGE Easier install other hinge- No gouging picking messy epoxies Simply cut single knite slot hinge slide hinges place apply few drops favorite GA glue youre done SUPER FAST SUPER EASY SUPER STRONG 74e ejt ia9e4 /oa & a% SIG MFG CO INC401-7 So Front St.Montezuma IA 50171 623-5154 supply company cheapest alternative pair automobile positive crankcase ventilation PCV valves sold dollar two department store automotive section Some hunting experimentation will necessary fit specific configuration tubes fittings intake valve can screwed directly spark plug hole opening suction created piston downstroke closing under pressure upstroke soldering intake valve half-inch copper pipe fitting can screw outflow valve exhaust port muffler used fit Threaded joints should sealed Mylar tape silicone glop one-way valves installed assembly becomes efficient air pump Provided motor adequate suitably low-ratio belt-drive reduction setup used pump will continue work until something system explodes regulator valve must installed either release excess pressure shut off power preset level Both types common relatively inexpensive Blowoff safety valves installed water heaters pressure-sensing electric switches universally employed water system pressure tanks luck discarded serviceable example either can found dump plumbers scrap heap otherwise youll have purchase blowoff valve bit less expensive Because requires no wiring its also simpler drawback using however compressor must run constantly pressure-sensing switch wired motor circuit preferred automatically cycles motor keep reservoir tank full regulators usually set range 40-60 lb ie 60 lb power cut pressure falls below 40 lb power turned again range fairly ideal modelers needs settings can fiddled turning set adjusting screws No special tubing required Quarter-inch I16 vinyl tubing secured hose clamps withstands pressure just fine Before being routed workbench air should dumped accumulator tank smooth out pulses form supply reservoir An empty freon tank salvaged auto repair shop dumpster will fit bill nozzles tanks have flare thread does match plumbing pipe fittings auto supply houses have adapters mate flare pipe tube fittings Dirt oil residue condensed water blown through lines can wreck paint job airbrush filter drying device should inserted downstream accumulator ready-made water trap can bought airbrush manufacturers effective less expensive can arranged using chunks foam rubber filters calcium chloride CaCI desiccant crystals sold hardware stores drying out damp closets CaCl becomes saturated pop microwave toaster oven few minutes dry out Any airtight metal plastic container will filter canisteras long can withstand pressure no glass Hose nipples can attached soldering epoxying supply line workbench can flexible vinyl PVC plastic copper iron pipe ending stopcock quick-connect fitting manifold multiple ports can rigged allow simultaneous use sprayer blowgun other tools might consider adding pressure gauge final touch class luck diligent scrounging just about components can found free few bits pieces hardware will have bought total price should remain under $20 attern/Staub Continued page 41 Steve Stricker finishing fourth place knocked hard door several times push top three received no reply least 25 hard-core extremely proficient pilots US F3A gets tougher year contest weather cool crisp engine performance its peak wind very difficult blowing almost straight out about 20-25 mph curious thing condition pilots flying quite close suspect styles World Championships flown October 1991 motivation doing writer satisfied own curiosity about subject last flight finals decided move flight way received best score contest will known about whether widespread new propensity just vagary Nationals competition after N-PAC NSRCA Pan-Am RC Championships held Lawrenceville Illinois July 26August 1 next big RC Pattern event summer Overall attendance down Pattern Nationals opening up can worms some believe because timing Nationals early season economy people having enough money attend impending N-PAC competition summary 1992 Nationals RC Pattern event great success congratulations order winners much thanks Tony Stillman AMA great contest ardinallUrtnowski Continued page 145 special interest group Send dues $15 per year Mike Keville 6109 E Ivyglen St Mesa AZ 85205 bimonthly newsletter Stunt News offers interesting tips build Cardinal please send photo add album models built flying well Cardinal owners could benefit exchanging information very special thanks Big Jim Greenaway help aspect Stunt program over years Big Jim call need advice assistance engines Stunt event has changed little since its inception classic lines great Stunt ships alive well As timeless 55 Chevy vintage designs still arouse artist make wish young again ovember 1992 191 PARTS LIST QtyItemCost 1Engine block 3-8 hp0 horizontal shaft 1Appliance motor0 2Drive pulleys$3 1Drive belt$2 4 ft2 x 12 wood base0-$4 2PCV valves$2 ea lOft114. /ie-in tube$10/ft vinyl rubber copper plastic 11 Fittings reducers$50 adapters neededea i/2ifl hose clamps$50 ea 1Pressure switch0-$15 safety valve0-$8 10 ft#12 electrical cord$20/ft 1 eaSwitch outlet box$150 cover plate plug end 1Freon tank0