Consistent docu mentation early aircraft wasnt easy come author found out perseverance paid off Eventually able develop very authentic Free Flight Scale model /2A engines con struction very similar prototype David Haught WHETHER Fieseler Storch Fok ker Spin III everyone has special air plane reverently hangared back mind waiting day building board available time ready has always Fokker 72 Model Aviation model unique respect fuii surprising details Has fully shock-absorbing landing gear tail skid single-surface wing unusual airfoil full cockpit ventilationi Scale nuts bolts hold together funcational realism little details adds up Mrs Diane Plahn mother authors wife holds Spin can have better idea 0 Its size Model uses much aluminum tubing spruce bamboo tough build really Spin Ill Bits pieces Fokker Spin infor mation have collected since age 10 Ive carried tattered magazine pictures meager three-views ever since As building skills developed did interest building Spin ILL As dream machines wanted job best could meant would need good documentation something frustrate project years Beyond lack congruent scale data other obstacles began loom Simplicity ruggedness rule Scale models have success Northwest model like fragile Spin would faced possible collisions sagebrush canals flying sitenot too nice environment raise model covered wires came point obsession build over came practical considerations Obtaining documentation Spin III long series disappointments tattered photographs Air Progress December 1963/January 1964 presented formation enticing Several close up photographs replica 1936 Fokker Spin III Hollands Aeroplanorama ap peared issue no threeviews 1969 Kenneth Munsons book Pioneer Aircraft 1903 -1914 offered first scale drawing could find reflected photographs Holland replica Mun sons color view looked like orig inal Spin III fact drawing replica critical difference lack radiators inverted fourcylinder engine Lacking front view being replica decided look something little better John Taylors History siation featured page Anthony Fokker good pic ture Spin III excitement find fell disappointment looked closely picture pretty real life replica yet still element appeal clean museum re plica original Spin III worlds apart both visually structurally old picture Spin III brought out old rustic antique quality made favorite same time showed far off replica original research started anew After fruitless hours delving through aviation maga zines 1909-14 period became clear little Spin III found Recent books magazines turned out best sources shady history Fokker Spin III few authors agree An interesting tri RS NATURAL WOOO AND METAL PARTS FABRIC NATuRAL LHEN WITH FOKKER IN LARGE BLACK LETTERS ON BoTTOM OF WiNGS WITH I0 D*IEDRAL PER WIIG PANEL AND 10 SWEEP BACK ThE SPIN III REQUIRED NIETHER WINO WARPING OR AILERON CONTROLS CAMBERED STEEL TUBEBAJb900 RIB STEEL TI SPARS TYPICAL WING SECTION O1ODI DRAWN BY PjYlP -IIAUId EARLY 1912 VERSON WING SPAN 36ILENGTH 25-5MAXIMUM SPEED 56 MPH ENGINE 7ORP ARGUS REItRENCES AIR PROGRESS DEC-JA 64 PIOtEER AU1CRAFT I909-I4 K MUNSON AIR CLASSICS OR SP79 HISIORY OF IWIATION JWR TAYLOR FOKKER AECRAFT BJDERS 10 TIE WORLD TPOSTMA 9 June 1983 73 Moaels ot vintage aircran nave strange appeal Ifleir Traglie appearance belies strength Ten degrees sweepback dihedral stability Cu aurrtna,sr aLLUdE ucsg.u~ut 1 UI 111 original Spin Ill fact remains successful airplane its day Having rudder elevator controls easy fly TWIN FLYING DWGSVRLU TO RTCTOER W ALUM U 2-3/H LA TUPF 7AU KSLEs SROBB CONTROL .LBIN BE Ad LIE WEET FACATE OLBOIT ENMNE FROM BALSA CONTROL WFWUL BETINL@ NG AND WiNE 8-4 NEOS PRW COO 049 OaNBEi -R TUOTHPCK PIN HOLDS WINS IN PLACE -4 S 2 vV PLTWOOD SKIDS O COVER TOE N BOTTOM I/OSR4iW Ol/VIAWITH HEAVY BLACK ALIAJ STRIPALLIC TUBETIWEAD STAWLIZER LOt iT jul 4 CU I/8O2-I/D SPOKE WHEELS OOIBWIRC WINEIM TTPCAL ROAMS WINE FTWS DETAIL tV I/52AU1J RINTINS CLF 041 HEAD I/BB DIA4L& TO STAC TO CONTROL CAWAHIE STRUT SETAIL S I AU TIWINS IS ALERt ANT ALL SIZES A/IF OJTE OROJETERS 2 ROD STUFF ALL JOBITS AND LUCA-TITE AU BOLTS S ALL BOLTS 00K WOO IWIDEL RR SIZES 4 NATURAL WITE FAINRC TOXTIWED CO/TRITE USES ON OHIGNAL S FLYhbA WOGIT IS OZ K RUUINU WASSIN-LEFT WRO S/S BOTH HUOSESS- LOFT I/V ThRUST- 0-0 PLIQIT TRW LEFT-LOFT O HEFERENCES AN PROSHESS DEC-JAN 54 AR CLASSICS OH SbA IS PIONEER AJRCRKFT ROS-IW KENNETh MUNSON HOTORT OF ATIATON SWH TAYLOR ET AL CASOAIE STRUT 141 5000 RLETOER OUTLIjES S/SON ALIAC TUBE BERT 0 SHAPE BlAdDER POST /B N ALUM TUBK COVER BOTH ROES SEATV S/S/M3 FRAMES SIR 777 yR N ALUM TUBE LU URAS STRUTV IZIHESS win iii SHEET ST FOUTTEN ETC ND UPPER RUSOET BRACE READ HE simple aircraft dont have much work use Note wing joint landing gear wood toothpick shear pin dummy upright Argus engine almost engulfs venerable Cox 049 74 Model Aviation .undance bracing wires offer interesting contrast moat other aircraft No frills seat belt pilot After years research models planform closest original photographs far can document Note spars beneAth wing spiders nest wire somehow finds Its way com plex structural unitlightweight very strong part supports whole Study photographs carefully rigging FULL-SIZE PLANS AVAILABLE.SEE PAGE 164 Antique planes seem full contradictions giant stabilizer meager rudder seem odds theres modern flying rudder archaic warp contol stabNlzer .a thethe landing gear mn mountirw udIIS andwrge rnuuuzer ij-in aiuminum iue Draces Rn iniereaxing teature hment threads wing ribs sparthe bungee-attached tail skid giving unusual stance takeoff roll June 1983 75 1thiEMOT M ALUM TIP DRILL FOR 71320 ALIAA TL *263 DRILL ALL HOLES3/300ALUhE THOU NOTH RIlES 10TI 4660 MAIN FUSELAHE FRAME SETAt C I3/325 ALL HOLES HO IF 10O4OALLM ENE T DEiRA. 5 COAERITE IFF RIflEFOR RIMS S DETAIL J MAIN SF66 Y3t0NOTE SMRW SANA YRSMIASMA PORT ALA63 TUBELAPAUM TUNERI PLACES SEET 2 MT tMP4lAUe4i model guaranteed unique building experience often sew ribs spar after wing covered Fittings rigging simple strong functional Full surprising details FULL-SIZE PLANS AVAILABLE.SEE PAGE 164 hElM T1 F]/AAOV HIEWER RUG AS READ PR s PAOTCH ROTA KNOB LAY PA UPPER CONERIAS OVER ASS STICKY NOR DORIA GE BAY Al TRIE BRIJSA 13885K THUG COVER YE YE STICK TIE L&Y SUKETIER SEE TRiAL MUSK MIER ALOPAS PASS TO RAE CONIERITE RU BluE Q LAY COVERITS TRIM EXCESS PASFCH OVER PLANN..1515 OVER AND ALIE STICKY S OP ALIKE TP LAY DOWN RAS UADO COPPER RUE POSITERA PASTE RIBSL E AlAS TIC TO ME FTATPASYOSES AlAS ALoE RUG COHERBAS DE1S&t UPPER HISPASS LORER SlUR RUG RETAILIm I/A PlY CAMBER FOUG AFTER COVERIPAS BEND ALIKE RUSTS MATCH CAMBER FORIA AJUOL RETAIL Th SEW 51GM RU EACH RIB WITH FE AI THREAD 5--ALIHE SUM U TYPICAL RIB DETAIL S SCRAP RA 4 DPPAGS TVOIIIS * ST PARK FIR 3IXCALUAIBiER 12 RESt TUBE RAISATOR DETAIL SCRAP GALS ALNO STEP -TIMED LBALSA DIOSAY FREL LIRE DONUT FUEL TANK RETAIL tt spin SHEET U BY PPMPl4AU&44 TYPICAL STRUT ENS CONSTRUTIOPA 7-3/H SAR CAT "HOT STUFF STEP ONE OPEN H FLAIJEN STEP TAO L7-U/IA STEP THREE OUL I/R RULES RUDDER BAR DETAIL 0 ,FLAIFEPA END RULE COLLIS CAP TROL MT 6 DI REQ D Dl/SsALIs& 3 y HSIRAS BRACRET U H REST L------ 6-7/H I/16RTALSISO STRUT 2)3/320 HOLEIII HEaTHOLE HOLE TII5IRULS~ N KL OHIL IAKA FLATTEN N USAS II REST 3/328 hEAR OPEN SLOT I/B COIWS BASE ER BAND AT 2 I/H0 CLAMP FITTINOG IA REUD LANDING SEAR SPREAUCH U REST angle names contributed something final design Fokker Lt Von Daum Mr Goedecker some com bination Fokker Spin III conceived designed built Being two-control airplane inherently stable Spin III popular trainer photograph early flying school showed over 15 Spins field Since built large quan tities can guess chances being exactly same quite slim Just version Spin build became decision make Ive found photographs six different Spin Ills described original frus tration almost cancelled project Air Classics Spring 1979 Quarterly crossed desk Eldon Quicks article brought wealth information light Several photographs series neat scale drawings first looked like what wanted points presentation super also problems version Spin III shown pic tures decided last straw after piling data Spin III heap sifting hour came up few con sistencies would work together key heading picture Quicks article artists rendering Spin III its glory original Spin III two items pulled loose ends together therethe long sta bilizer twin forward cabanes upright fourcylinder engine side-mounted radiators After years frustration mula pieced together plans drawn week feel true representation Spin III research far can produce Spin Ill built various sizes experiment force layout design built Peanut Scale size 26-in-span CO-2 size finally what see three versions quite suc cessful design cannot help stable 10 degrees dihedral 10 degrees sweepback fellow modeler friend have building Scale models same vintage scale compete against other year Greg Davis built series Etrich Taubes built series Fokker Spins lot fun see flying together same contest Construction somewhat different models Ive found best way build Scale model duplicate con struction original closely pos Continued page 148 76 Model Aviation LANOSS SEAN STRUT REUS No cramped cockpit pilot totally vul nerable anything got past engine cabanes Stab goes right seat model Spin Ill chugs past Scene could eas ily Germany rather Boeing Field Seattle WA Model rock stable HEAVY DUTY 4-IN SANDER Adjustable table Miter guide $100 10 Sand discs $300 CASH $2795 Ship $ 350 q minm 764-1490 [CakQic / GOODIESI 13400-26 Saticoy Street3 North Hollywood Calif 91605 cQay_ SPECIAL 825I DELUXE SYSTEMI Flite wt 101 oz 4Ch lete metal Tx 4 Servos NicadsChgr Reg$27495 CASH $15995 Ship$ 650 U I 40-61 Engine Reg $17995 CASH $13995 ___________ U U I I I Pm4kh Lifetime Sanding Taols Grit brazed steel type 11/2 x 9 1g radius type 1 x 9 1g 3/4 radius Bath have coarse & fine grits SpecifyJ $2500 Reg $695 Reg $3995 CASH $495 $2597 MORE U $200 Foreign Add Calif Sales Tax CASH price shown Cards 5% higher sianr cnooiyara ivsoaei Span 46 049 061 engine 350 sqinches 2-3CH Radio Ship $400 have equipment needs help Helicopters Contact George mail 700 Fossil Drive gleside IL 60041 set up schedule Danny Floyd Ill see others Toledo See next month Dose Chesnev PO Box 16612 Greensboro NC 27406 Field Box/Edmonds Continued page 60 17Feetruhher feet hardware store 18 Transmitter padding. -in foam rubber Editors Note build Cus tom RC Sailplane Field Box recom mended follow good cabinet making practice custom Build drawers fit case cut parts fit holes Radio Technique/Myers Continued page 68 officers agents will guarantee fol lowing instructions given article will protect RC operator interference nor will accept responsibility damages incurred directly indirectly result using accompanying card instructed George M Myers 70 Froehlich Farm Rd Hicksvulle NY 1180 AIR CAPITAL MODELS Ready-ToFlyl[iF B 100 Less Radio Engine Span Ship GET ORGANIZED s set 4 sturdy lies ritat trees ever 4 years yOur tavyriC 8 1 magaZines 4 MAG FILES $495 Send $495 pies Si 00 posiage aird hrrd5ng 0GM INOUSThIES PO BOX 388-K DOVER NH 03820 Fokker Spin Ill/Haught Continued page 76 sible As result Spin III almost 90% aluminum tube 10% wood also means working new materials new ways builder should dis couraged Spin III builds quite fast few special tools would worthwhilea small tubing cutler very helpful set small metal files various shapes set small needle-nose pliers None tools required will help speed building process As materials few things look First large amount alu minum tubing may require going several hobby shops until get enought right sizes Try get 36-in lengths handier considerably cheaper 12-in lengths frequently found rear portion wing ribs formed bamboo strips strips can found imported goods shops form shish-ke-bob skewers right size have handy point end available can use 3/32 sq spruce sand round expensive item model pile 000 00 model railroad nuts bolts washers Spin III will expensive con ventional Scale model will stronger far realistic Thi stabilizer best place sDrt pieces spruce strip sanded round glued place joint wrapped thread realism extra strength rearward edges ribs notched wire trailing edge Epoxy-coat joints set aside cure rudders give chance try work ing aluminum tubing Take care crimp tube bending small sizes tubing may help slide strip solder tube before bending bend tube remove solder Start bend slowly working shape little time File ends tubing fit rudder spar tube join together cyanoacrylate CyA glue Add small amount epoxy joint added strength fuselage frame next item build Cut out sides stack together Drill holes through both sides together ensure proper alignment Add cross braces engine mount Fab ricate install cockpit controls seat Cut seat frames well cross slats plywood Cement frames place fuselage frames add slats No record seat belts being used found research shown plans detail assembly con trol system Fabricate parts before assembling try proper fit Glue control system together mount onto fuselage brackets bolts Now time add cockpit controls later will hard work amidst rigging wires control wires made black braided fishing line added after model flight trim med Cover rudders stabilizer next rudders covered traditional manneron both sides highly recommend fabric-textured Coverite easy work super strong Use acetone adhere rather heat Use acetone just would use dope will have no problems Cover rudders first get feel working acetone Coverite Cover rudders both side taking care fold excess over edges hide aluminum tube frame stabilizer little different Cut piece covering size stabilizer /in margin work Lay stabilizer top side down smooth surface Moisten sticky side Coverite acetone lay stabilizer Begin ning leading edge work way back pulling fabric taut smoothing out wrinkles will have wrap fabric around stabilizer spars go Take time use plenty acetone get job done right Keep room well-ventilated dont strike match Refer plan details covering wing finishing 148 Modes Aviation CUSTOM FOAM WINGS S CUSTOM SAILPLANE WINGS S SPRAY ADHESIVES FIBERGLASS FVSEL AGES HI STARTS BALSA d PLY WOOO SEND SOt d IOSASE FOR INFO ESS BOX 437 LEMONT PA 16851 writing advertisers mention read about Model Aviation trailing edge Let stabilizer dry good hour trim off excess fabric Covering top tough Lay acetone-dampened fabric onto stabilizer work out wrinkles Fold over glue excess edges After cc rnent has set go back brush acetone over top surface press top bottom urfaces together between spars ribs et aside dry [he landing gear key entire iircraft structural terms Study steps n plan making landing gear truts ends strut reinforced rom within inside tube sleeve orm four struts drill holes L5 accurately possible would good o make small jig ensure proper spacing holes four struts iot evenly spaced rigging will pull tructure out square will cause trim rOblems later Saw skids plywood stack kids drill holes both same ime would good idea make xtra set skids quite vulnerable o breakage rough landings Make up remaining landing gear parts cabane truts install per plans ast step landing gear cabanes [e rigging wires should taut equal tensioin prevent distortion rovide adequate strength Cut tube form rudder post races tail skid Drill hole through e stabilizer rudder post Epoxy tabilizer fuselage frame Block up form angle incidence shown Ian Sew joint heavy black thread dter has set assemble rudders rudder ost braces Align assembly care illy work board add brace iires brace wires important aake sure fit taut warp ae stabilizer wings next Study steps shown n plan carefully Begin making ribs unconventional art design wings built spar ss flat covered camber ilded ribs Finally spars ided rib-spar crossing sewn gether using heavy black thread Look er pictures carefully real Spin III ed U-bolts anchor ribs spars Iso note version original III both spars run under wing irface Bend aluminum tube wing joiners refully joined wings should ive 10 degrees sweepback 10 de ees dihedral per panel will note side view drawing w toothpicks used alignment pins aunt wing assembly landing gear uts Block up wing fuselage place Take time align two per wing incidence dihedral Clamp wing place drill pilot holes od pins insert pins will hold wings place securely will also give way case crash minimizing structural damage wing bracing wires can now made installed pairstop bot tom both wings way stresses can kept minimum eliminating un wanted warps setting up assembly rigging dont forget set up proper wing washin wires functional take time set up right Locate set spoked wheels fabri cate axle parts axle assembly designed shock-absorbing tail skid Study pictures plans closely see parts go now may wonder finger tips hurt need glasses Well youre half done point added engine nose weight went out fly Dont omit balancing step After short session fruitless hand glides nervously started engine launched Spin calm flew right off drawing board additional trim being required stood mouth agape watched lazily climb wide flat left-hand circles speedster powered por tion flight same glide direction different engine finally quit did breathing transition clean no stall just descent Spin III doesnt glide sinks glide angle around 20 degrees shock-absorbing gear necessary its survivalContinued page 1S2 June 1983 149 Spin Ill handles wind well com bination sweepback dihedral low center gravity makes very stable will caution however trimming flying vintage-type models watch amount power try fly Use little power possible get model climb slowly Excessive speed type aircraft causes radical flight patterns Ive using Cox 049 engine wood 8-4 propeller have good results engine will turn pro peller too fast Davis Diesel conversion used point very successfully havent tried before good idea keep flight log book Spin III recording fuel amounts flight times flight pattern weather condi tions will able closely predict future flights Fokkers rigging should inspected repaired regularly main tain proper trim strength vibration engine occasional snags sticks landing will tend loosen rig ging nuts bolts may allow model go out trim log book ATIENTION OPS Engines & Parts Available Racing Marine Use OPS 15 ter Midget OPS 45 Marine PLUS Custom TD 049/051 engine parts Complete inventory stock custom parts COX TD 049/051 engines complete information send SI P & G Metal Products 301 North Yale Drive Garland TX 75042 Gene Hempel12141 2725210 lafter 600 PM will tell everything should be fore flight Once trimmed flight can spend much time detailing Spin III wish dummy engine fuel tank can made wood tubing add lot realism would pilot detailing documentation resources listed plans worth looking Check library may unexpectedly turn up some thing would hope will try Spini III use inspiration build special model youve always wanted Its worth time put watch circle overhead FF Indoor/Tenny Continued page 77 Oops previous column told about Indoor Week June 12-19 1983 failed tell enter lets repeat some add Second United States Indoor Championships sponsored National Free Flight Society NFFS National Indoor Mode Airplane Shrank Ocean Spirit st Louis 34 WirgsP EngineS R/C RIC Scale ijt#11O $3195 \7Je offer 22 Flight Capable Designs Send 50$ Flyline Catalog DealerS & Distributors Welcomed psane 703 273 5553 FLYLiNE MODELS INC PO Box 2136 FairfaX virginia 22031 USA Society NIMAS will held first four days Indoor Week site atrium Northwood Institute West Baden tN Times scheduled practice flying Sunday June 12 followed IS AMA special events running through pm. June IS Beginning immediately thereafter Fourth Peanut World Grand Prix runs 24 hours Following Grand Prix will ENART annual NIMAS event runs until sometime Saturday June 18 1983 info about US Indoor Champs get entry blanks send SASE Tony Italiano 1655 Revere Dr BrookField WI 53005 Entry deadline avoid late entry fee June 1 198} postmark entry NIMAS ENART get entry blank info Dr John Martin 3327 Darwin St Miami FL 3333 entry proxyflown Peanuts Grand Prix Mike Arak 10900 SW 61 Court Miami FL 33156 details Kit-Plan Scale event contact Martin Varney 1020 N Wood Griffith IN 46319 Join up way compete tndoor Champs must member AMA already wouldnt reading either NFFS NIMAS Juniors Seniors ex cepted call yourself Free Flighter arent member N FFS cheat ing yourself other FFers Two reasons NFFS actively involved activi ties help perpetuate activity dues money helps insure will always able fly challenging kind miniature aircraft 2 iome NFFS rolls proof interest Free Flight necessity cer tain AMA deliberations affected relative number participants category FF CL RC etc cant count youre signed up hurts us lesser degree true NIMAS also join NFFS write Hal Woods 707 2nd St Davis CA 95616 info NIMASBud Tenny PO Box 545 Richardson TX 75080 NFFS Publications Part on-going service NFFS Free Flight buff impressive array plans other technical publications have gathered made available purchase obtain list whats available send SASE Fred Terzian 4858 Moorpark Ave San Jose CA 95129 cabin classes Before advent Manhattan Bostonian Cabin models AMA Cabin models extremely delicate have evolved models have flown over 31 minutes see photo Col Bob Randolph launching 31-mm model Juniors Seniors often fly paper-covered relatively heavy versions Nats competiton see photo 152 Model Aviation SOUTHERNS SORGHUM & FLEXALL THE STANDARDPLASTICIZER CO NTACTFOR ADHESIVEAC RY LI CS FORAND SHEETING/DOPES FOAM/ eew.I WINGS WILLEeg~ NOTSTOPS CRACKING ATTACKAND STYROFOAMCHIPPING CORES SEE YOUR DEALER OR DISTRIBUTOR DAVE BROWN PRODUCTS 4560 Layhigh Hamilton OH 45013 213 738-1576 ALL NEW CUSTOM SCNNEURLE COK 049 ENGINES Racing & Stunt versions special hard chrome & honing technology Also Complete inventory individual stock custom parts Cox TD 020 049 051 & 09 engInes Competition parts & accessories Combat Free Fit C/L & R/C Racing Speed Stunt & Team Race Exclusive distributor Nelson 15 engIne & parts detailed catalog send 50 cents Kustom Kraftsmanshlp Box 2699 Laguna Hills CA 92653 Telephone 714 830-5162
Edition: Model Aviation - 1983/06
Page Numbers: 72, 73, 74, 75, 76, 148, 149, 152
Consistent docu mentation early aircraft wasnt easy come author found out perseverance paid off Eventually able develop very authentic Free Flight Scale model /2A engines con struction very similar prototype David Haught WHETHER Fieseler Storch Fok ker Spin III everyone has special air plane reverently hangared back mind waiting day building board available time ready has always Fokker 72 Model Aviation model unique respect fuii surprising details Has fully shock-absorbing landing gear tail skid single-surface wing unusual airfoil full cockpit ventilationi Scale nuts bolts hold together funcational realism little details adds up Mrs Diane Plahn mother authors wife holds Spin can have better idea 0 Its size Model uses much aluminum tubing spruce bamboo tough build really Spin Ill Bits pieces Fokker Spin infor mation have collected since age 10 Ive carried tattered magazine pictures meager three-views ever since As building skills developed did interest building Spin ILL As dream machines wanted job best could meant would need good documentation something frustrate project years Beyond lack congruent scale data other obstacles began loom Simplicity ruggedness rule Scale models have success Northwest model like fragile Spin would faced possible collisions sagebrush canals flying sitenot too nice environment raise model covered wires came point obsession build over came practical considerations Obtaining documentation Spin III long series disappointments tattered photographs Air Progress December 1963/January 1964 presented formation enticing Several close up photographs replica 1936 Fokker Spin III Hollands Aeroplanorama ap peared issue no threeviews 1969 Kenneth Munsons book Pioneer Aircraft 1903 -1914 offered first scale drawing could find reflected photographs Holland replica Mun sons color view looked like orig inal Spin III fact drawing replica critical difference lack radiators inverted fourcylinder engine Lacking front view being replica decided look something little better John Taylors History siation featured page Anthony Fokker good pic ture Spin III excitement find fell disappointment looked closely picture pretty real life replica yet still element appeal clean museum re plica original Spin III worlds apart both visually structurally old picture Spin III brought out old rustic antique quality made favorite same time showed far off replica original research started anew After fruitless hours delving through aviation maga zines 1909-14 period became clear little Spin III found Recent books magazines turned out best sources shady history Fokker Spin III few authors agree An interesting tri RS NATURAL WOOO AND METAL PARTS FABRIC NATuRAL LHEN WITH FOKKER IN LARGE BLACK LETTERS ON BoTTOM OF WiNGS WITH I0 D*IEDRAL PER WIIG PANEL AND 10 SWEEP BACK ThE SPIN III REQUIRED NIETHER WINO WARPING OR AILERON CONTROLS CAMBERED STEEL TUBEBAJb900 RIB STEEL TI SPARS TYPICAL WING SECTION O1ODI DRAWN BY PjYlP -IIAUId EARLY 1912 VERSON WING SPAN 36ILENGTH 25-5MAXIMUM SPEED 56 MPH ENGINE 7ORP ARGUS REItRENCES AIR PROGRESS DEC-JA 64 PIOtEER AU1CRAFT I909-I4 K MUNSON AIR CLASSICS OR SP79 HISIORY OF IWIATION JWR TAYLOR FOKKER AECRAFT BJDERS 10 TIE WORLD TPOSTMA 9 June 1983 73 Moaels ot vintage aircran nave strange appeal Ifleir Traglie appearance belies strength Ten degrees sweepback dihedral stability Cu aurrtna,sr aLLUdE ucsg.u~ut 1 UI 111 original Spin Ill fact remains successful airplane its day Having rudder elevator controls easy fly TWIN FLYING DWGSVRLU TO RTCTOER W ALUM U 2-3/H LA TUPF 7AU KSLEs SROBB CONTROL .LBIN BE Ad LIE WEET FACATE OLBOIT ENMNE FROM BALSA CONTROL WFWUL BETINL@ NG AND WiNE 8-4 NEOS PRW COO 049 OaNBEi -R TUOTHPCK PIN HOLDS WINS IN PLACE -4 S 2 vV PLTWOOD SKIDS O COVER TOE N BOTTOM I/OSR4iW Ol/VIAWITH HEAVY BLACK ALIAJ STRIPALLIC TUBETIWEAD STAWLIZER LOt iT jul 4 CU I/8O2-I/D SPOKE WHEELS OOIBWIRC WINEIM TTPCAL ROAMS WINE FTWS DETAIL tV I/52AU1J RINTINS CLF 041 HEAD I/BB DIA4L& TO STAC TO CONTROL CAWAHIE STRUT SETAIL S I AU TIWINS IS ALERt ANT ALL SIZES A/IF OJTE OROJETERS 2 ROD STUFF ALL JOBITS AND LUCA-TITE AU BOLTS S ALL BOLTS 00K WOO IWIDEL RR SIZES 4 NATURAL WITE FAINRC TOXTIWED CO/TRITE USES ON OHIGNAL S FLYhbA WOGIT IS OZ K RUUINU WASSIN-LEFT WRO S/S BOTH HUOSESS- LOFT I/V ThRUST- 0-0 PLIQIT TRW LEFT-LOFT O HEFERENCES AN PROSHESS DEC-JAN 54 AR CLASSICS OH SbA IS PIONEER AJRCRKFT ROS-IW KENNETh MUNSON HOTORT OF ATIATON SWH TAYLOR ET AL CASOAIE STRUT 141 5000 RLETOER OUTLIjES S/SON ALIAC TUBE BERT 0 SHAPE BlAdDER POST /B N ALUM TUBK COVER BOTH ROES SEATV S/S/M3 FRAMES SIR 777 yR N ALUM TUBE LU URAS STRUTV IZIHESS win iii SHEET ST FOUTTEN ETC ND UPPER RUSOET BRACE READ HE simple aircraft dont have much work use Note wing joint landing gear wood toothpick shear pin dummy upright Argus engine almost engulfs venerable Cox 049 74 Model Aviation .undance bracing wires offer interesting contrast moat other aircraft No frills seat belt pilot After years research models planform closest original photographs far can document Note spars beneAth wing spiders nest wire somehow finds Its way com plex structural unitlightweight very strong part supports whole Study photographs carefully rigging FULL-SIZE PLANS AVAILABLE.SEE PAGE 164 Antique planes seem full contradictions giant stabilizer meager rudder seem odds theres modern flying rudder archaic warp contol stabNlzer .a thethe landing gear mn mountirw udIIS andwrge rnuuuzer ij-in aiuminum iue Draces Rn iniereaxing teature hment threads wing ribs sparthe bungee-attached tail skid giving unusual stance takeoff roll June 1983 75 1thiEMOT M ALUM TIP DRILL FOR 71320 ALIAA TL *263 DRILL ALL HOLES3/300ALUhE THOU NOTH RIlES 10TI 4660 MAIN FUSELAHE FRAME SETAt C I3/325 ALL HOLES HO IF 10O4OALLM ENE T DEiRA. 5 COAERITE IFF RIflEFOR RIMS S DETAIL J MAIN SF66 Y3t0NOTE SMRW SANA YRSMIASMA PORT ALA63 TUBELAPAUM TUNERI PLACES SEET 2 MT tMP4lAUe4i model guaranteed unique building experience often sew ribs spar after wing covered Fittings rigging simple strong functional Full surprising details FULL-SIZE PLANS AVAILABLE.SEE PAGE 164 hElM T1 F]/AAOV HIEWER RUG AS READ PR s PAOTCH ROTA KNOB LAY PA UPPER CONERIAS OVER ASS STICKY NOR DORIA GE BAY Al TRIE BRIJSA 13885K THUG COVER YE YE STICK TIE L&Y SUKETIER SEE TRiAL MUSK MIER ALOPAS PASS TO RAE CONIERITE RU BluE Q LAY COVERITS TRIM EXCESS PASFCH OVER PLANN..1515 OVER AND ALIE STICKY S OP ALIKE TP LAY DOWN RAS UADO COPPER RUE POSITERA PASTE RIBSL E AlAS TIC TO ME FTATPASYOSES AlAS ALoE RUG COHERBAS DE1S&t UPPER HISPASS LORER SlUR RUG RETAILIm I/A PlY CAMBER FOUG AFTER COVERIPAS BEND ALIKE RUSTS MATCH CAMBER FORIA AJUOL RETAIL Th SEW 51GM RU EACH RIB WITH FE AI THREAD 5--ALIHE SUM U TYPICAL RIB DETAIL S SCRAP RA 4 DPPAGS TVOIIIS * ST PARK FIR 3IXCALUAIBiER 12 RESt TUBE RAISATOR DETAIL SCRAP GALS ALNO STEP -TIMED LBALSA DIOSAY FREL LIRE DONUT FUEL TANK RETAIL tt spin SHEET U BY PPMPl4AU&44 TYPICAL STRUT ENS CONSTRUTIOPA 7-3/H SAR CAT "HOT STUFF STEP ONE OPEN H FLAIJEN STEP TAO L7-U/IA STEP THREE OUL I/R RULES RUDDER BAR DETAIL 0 ,FLAIFEPA END RULE COLLIS CAP TROL MT 6 DI REQ D Dl/SsALIs& 3 y HSIRAS BRACRET U H REST L------ 6-7/H I/16RTALSISO STRUT 2)3/320 HOLEIII HEaTHOLE HOLE TII5IRULS~ N KL OHIL IAKA FLATTEN N USAS II REST 3/328 hEAR OPEN SLOT I/B COIWS BASE ER BAND AT 2 I/H0 CLAMP FITTINOG IA REUD LANDING SEAR SPREAUCH U REST angle names contributed something final design Fokker Lt Von Daum Mr Goedecker some com bination Fokker Spin III conceived designed built Being two-control airplane inherently stable Spin III popular trainer photograph early flying school showed over 15 Spins field Since built large quan tities can guess chances being exactly same quite slim Just version Spin build became decision make Ive found photographs six different Spin Ills described original frus tration almost cancelled project Air Classics Spring 1979 Quarterly crossed desk Eldon Quicks article brought wealth information light Several photographs series neat scale drawings first looked like what wanted points presentation super also problems version Spin III shown pic tures decided last straw after piling data Spin III heap sifting hour came up few con sistencies would work together key heading picture Quicks article artists rendering Spin III its glory original Spin III two items pulled loose ends together therethe long sta bilizer twin forward cabanes upright fourcylinder engine side-mounted radiators After years frustration mula pieced together plans drawn week feel true representation Spin III research far can produce Spin Ill built various sizes experiment force layout design built Peanut Scale size 26-in-span CO-2 size finally what see three versions quite suc cessful design cannot help stable 10 degrees dihedral 10 degrees sweepback fellow modeler friend have building Scale models same vintage scale compete against other year Greg Davis built series Etrich Taubes built series Fokker Spins lot fun see flying together same contest Construction somewhat different models Ive found best way build Scale model duplicate con struction original closely pos Continued page 148 76 Model Aviation LANOSS SEAN STRUT REUS No cramped cockpit pilot totally vul nerable anything got past engine cabanes Stab goes right seat model Spin Ill chugs past Scene could eas ily Germany rather Boeing Field Seattle WA Model rock stable HEAVY DUTY 4-IN SANDER Adjustable table Miter guide $100 10 Sand discs $300 CASH $2795 Ship $ 350 q minm 764-1490 [CakQic / GOODIESI 13400-26 Saticoy Street3 North Hollywood Calif 91605 cQay_ SPECIAL 825I DELUXE SYSTEMI Flite wt 101 oz 4Ch lete metal Tx 4 Servos NicadsChgr Reg$27495 CASH $15995 Ship$ 650 U I 40-61 Engine Reg $17995 CASH $13995 ___________ U U I I I Pm4kh Lifetime Sanding Taols Grit brazed steel type 11/2 x 9 1g radius type 1 x 9 1g 3/4 radius Bath have coarse & fine grits SpecifyJ $2500 Reg $695 Reg $3995 CASH $495 $2597 MORE U $200 Foreign Add Calif Sales Tax CASH price shown Cards 5% higher sianr cnooiyara ivsoaei Span 46 049 061 engine 350 sqinches 2-3CH Radio Ship $400 have equipment needs help Helicopters Contact George mail 700 Fossil Drive gleside IL 60041 set up schedule Danny Floyd Ill see others Toledo See next month Dose Chesnev PO Box 16612 Greensboro NC 27406 Field Box/Edmonds Continued page 60 17Feetruhher feet hardware store 18 Transmitter padding. -in foam rubber Editors Note build Cus tom RC Sailplane Field Box recom mended follow good cabinet making practice custom Build drawers fit case cut parts fit holes Radio Technique/Myers Continued page 68 officers agents will guarantee fol lowing instructions given article will protect RC operator interference nor will accept responsibility damages incurred directly indirectly result using accompanying card instructed George M Myers 70 Froehlich Farm Rd Hicksvulle NY 1180 AIR CAPITAL MODELS Ready-ToFlyl[iF B 100 Less Radio Engine Span Ship GET ORGANIZED s set 4 sturdy lies ritat trees ever 4 years yOur tavyriC 8 1 magaZines 4 MAG FILES $495 Send $495 pies Si 00 posiage aird hrrd5ng 0GM INOUSThIES PO BOX 388-K DOVER NH 03820 Fokker Spin Ill/Haught Continued page 76 sible As result Spin III almost 90% aluminum tube 10% wood also means working new materials new ways builder should dis couraged Spin III builds quite fast few special tools would worthwhilea small tubing cutler very helpful set small metal files various shapes set small needle-nose pliers None tools required will help speed building process As materials few things look First large amount alu minum tubing may require going several hobby shops until get enought right sizes Try get 36-in lengths handier considerably cheaper 12-in lengths frequently found rear portion wing ribs formed bamboo strips strips can found imported goods shops form shish-ke-bob skewers right size have handy point end available can use 3/32 sq spruce sand round expensive item model pile 000 00 model railroad nuts bolts washers Spin III will expensive con ventional Scale model will stronger far realistic Thi stabilizer best place sDrt pieces spruce strip sanded round glued place joint wrapped thread realism extra strength rearward edges ribs notched wire trailing edge Epoxy-coat joints set aside cure rudders give chance try work ing aluminum tubing Take care crimp tube bending small sizes tubing may help slide strip solder tube before bending bend tube remove solder Start bend slowly working shape little time File ends tubing fit rudder spar tube join together cyanoacrylate CyA glue Add small amount epoxy joint added strength fuselage frame next item build Cut out sides stack together Drill holes through both sides together ensure proper alignment Add cross braces engine mount Fab ricate install cockpit controls seat Cut seat frames well cross slats plywood Cement frames place fuselage frames add slats No record seat belts being used found research shown plans detail assembly con trol system Fabricate parts before assembling try proper fit Glue control system together mount onto fuselage brackets bolts Now time add cockpit controls later will hard work amidst rigging wires control wires made black braided fishing line added after model flight trim med Cover rudders stabilizer next rudders covered traditional manneron both sides highly recommend fabric-textured Coverite easy work super strong Use acetone adhere rather heat Use acetone just would use dope will have no problems Cover rudders first get feel working acetone Coverite Cover rudders both side taking care fold excess over edges hide aluminum tube frame stabilizer little different Cut piece covering size stabilizer /in margin work Lay stabilizer top side down smooth surface Moisten sticky side Coverite acetone lay stabilizer Begin ning leading edge work way back pulling fabric taut smoothing out wrinkles will have wrap fabric around stabilizer spars go Take time use plenty acetone get job done right Keep room well-ventilated dont strike match Refer plan details covering wing finishing 148 Modes Aviation CUSTOM FOAM WINGS S CUSTOM SAILPLANE WINGS S SPRAY ADHESIVES FIBERGLASS FVSEL AGES HI STARTS BALSA d PLY WOOO SEND SOt d IOSASE FOR INFO ESS BOX 437 LEMONT PA 16851 writing advertisers mention read about Model Aviation trailing edge Let stabilizer dry good hour trim off excess fabric Covering top tough Lay acetone-dampened fabric onto stabilizer work out wrinkles Fold over glue excess edges After cc rnent has set go back brush acetone over top surface press top bottom urfaces together between spars ribs et aside dry [he landing gear key entire iircraft structural terms Study steps n plan making landing gear truts ends strut reinforced rom within inside tube sleeve orm four struts drill holes L5 accurately possible would good o make small jig ensure proper spacing holes four struts iot evenly spaced rigging will pull tructure out square will cause trim rOblems later Saw skids plywood stack kids drill holes both same ime would good idea make xtra set skids quite vulnerable o breakage rough landings Make up remaining landing gear parts cabane truts install per plans ast step landing gear cabanes [e rigging wires should taut equal tensioin prevent distortion rovide adequate strength Cut tube form rudder post races tail skid Drill hole through e stabilizer rudder post Epoxy tabilizer fuselage frame Block up form angle incidence shown Ian Sew joint heavy black thread dter has set assemble rudders rudder ost braces Align assembly care illy work board add brace iires brace wires important aake sure fit taut warp ae stabilizer wings next Study steps shown n plan carefully Begin making ribs unconventional art design wings built spar ss flat covered camber ilded ribs Finally spars ided rib-spar crossing sewn gether using heavy black thread Look er pictures carefully real Spin III ed U-bolts anchor ribs spars Iso note version original III both spars run under wing irface Bend aluminum tube wing joiners refully joined wings should ive 10 degrees sweepback 10 de ees dihedral per panel will note side view drawing w toothpicks used alignment pins aunt wing assembly landing gear uts Block up wing fuselage place Take time align two per wing incidence dihedral Clamp wing place drill pilot holes od pins insert pins will hold wings place securely will also give way case crash minimizing structural damage wing bracing wires can now made installed pairstop bot tom both wings way stresses can kept minimum eliminating un wanted warps setting up assembly rigging dont forget set up proper wing washin wires functional take time set up right Locate set spoked wheels fabri cate axle parts axle assembly designed shock-absorbing tail skid Study pictures plans closely see parts go now may wonder finger tips hurt need glasses Well youre half done point added engine nose weight went out fly Dont omit balancing step After short session fruitless hand glides nervously started engine launched Spin calm flew right off drawing board additional trim being required stood mouth agape watched lazily climb wide flat left-hand circles speedster powered por tion flight same glide direction different engine finally quit did breathing transition clean no stall just descent Spin III doesnt glide sinks glide angle around 20 degrees shock-absorbing gear necessary its survivalContinued page 1S2 June 1983 149 Spin Ill handles wind well com bination sweepback dihedral low center gravity makes very stable will caution however trimming flying vintage-type models watch amount power try fly Use little power possible get model climb slowly Excessive speed type aircraft causes radical flight patterns Ive using Cox 049 engine wood 8-4 propeller have good results engine will turn pro peller too fast Davis Diesel conversion used point very successfully havent tried before good idea keep flight log book Spin III recording fuel amounts flight times flight pattern weather condi tions will able closely predict future flights Fokkers rigging should inspected repaired regularly main tain proper trim strength vibration engine occasional snags sticks landing will tend loosen rig ging nuts bolts may allow model go out trim log book ATIENTION OPS Engines & Parts Available Racing Marine Use OPS 15 ter Midget OPS 45 Marine PLUS Custom TD 049/051 engine parts Complete inventory stock custom parts COX TD 049/051 engines complete information send SI P & G Metal Products 301 North Yale Drive Garland TX 75042 Gene Hempel12141 2725210 lafter 600 PM will tell everything should be fore flight Once trimmed flight can spend much time detailing Spin III wish dummy engine fuel tank can made wood tubing add lot realism would pilot detailing documentation resources listed plans worth looking Check library may unexpectedly turn up some thing would hope will try Spini III use inspiration build special model youve always wanted Its worth time put watch circle overhead FF Indoor/Tenny Continued page 77 Oops previous column told about Indoor Week June 12-19 1983 failed tell enter lets repeat some add Second United States Indoor Championships sponsored National Free Flight Society NFFS National Indoor Mode Airplane Shrank Ocean Spirit st Louis 34 WirgsP EngineS R/C RIC Scale ijt#11O $3195 \7Je offer 22 Flight Capable Designs Send 50$ Flyline Catalog DealerS & Distributors Welcomed psane 703 273 5553 FLYLiNE MODELS INC PO Box 2136 FairfaX virginia 22031 USA Society NIMAS will held first four days Indoor Week site atrium Northwood Institute West Baden tN Times scheduled practice flying Sunday June 12 followed IS AMA special events running through pm. June IS Beginning immediately thereafter Fourth Peanut World Grand Prix runs 24 hours Following Grand Prix will ENART annual NIMAS event runs until sometime Saturday June 18 1983 info about US Indoor Champs get entry blanks send SASE Tony Italiano 1655 Revere Dr BrookField WI 53005 Entry deadline avoid late entry fee June 1 198} postmark entry NIMAS ENART get entry blank info Dr John Martin 3327 Darwin St Miami FL 3333 entry proxyflown Peanuts Grand Prix Mike Arak 10900 SW 61 Court Miami FL 33156 details Kit-Plan Scale event contact Martin Varney 1020 N Wood Griffith IN 46319 Join up way compete tndoor Champs must member AMA already wouldnt reading either NFFS NIMAS Juniors Seniors ex cepted call yourself Free Flighter arent member N FFS cheat ing yourself other FFers Two reasons NFFS actively involved activi ties help perpetuate activity dues money helps insure will always able fly challenging kind miniature aircraft 2 iome NFFS rolls proof interest Free Flight necessity cer tain AMA deliberations affected relative number participants category FF CL RC etc cant count youre signed up hurts us lesser degree true NIMAS also join NFFS write Hal Woods 707 2nd St Davis CA 95616 info NIMASBud Tenny PO Box 545 Richardson TX 75080 NFFS Publications Part on-going service NFFS Free Flight buff impressive array plans other technical publications have gathered made available purchase obtain list whats available send SASE Fred Terzian 4858 Moorpark Ave San Jose CA 95129 cabin classes Before advent Manhattan Bostonian Cabin models AMA Cabin models extremely delicate have evolved models have flown over 31 minutes see photo Col Bob Randolph launching 31-mm model Juniors Seniors often fly paper-covered relatively heavy versions Nats competiton see photo 152 Model Aviation SOUTHERNS SORGHUM & FLEXALL THE STANDARDPLASTICIZER CO NTACTFOR ADHESIVEAC RY LI CS FORAND SHEETING/DOPES FOAM/ eew.I WINGS WILLEeg~ NOTSTOPS CRACKING ATTACKAND STYROFOAMCHIPPING CORES SEE YOUR DEALER OR DISTRIBUTOR DAVE BROWN PRODUCTS 4560 Layhigh Hamilton OH 45013 213 738-1576 ALL NEW CUSTOM SCNNEURLE COK 049 ENGINES Racing & Stunt versions special hard chrome & honing technology Also Complete inventory individual stock custom parts Cox TD 020 049 051 & 09 engInes Competition parts & accessories Combat Free Fit C/L & R/C Racing Speed Stunt & Team Race Exclusive distributor Nelson 15 engIne & parts detailed catalog send 50 cents Kustom Kraftsmanshlp Box 2699 Laguna Hills CA 92653 Telephone 714 830-5162
Edition: Model Aviation - 1983/06
Page Numbers: 72, 73, 74, 75, 76, 148, 149, 152
Consistent docu mentation early aircraft wasnt easy come author found out perseverance paid off Eventually able develop very authentic Free Flight Scale model /2A engines con struction very similar prototype David Haught WHETHER Fieseler Storch Fok ker Spin III everyone has special air plane reverently hangared back mind waiting day building board available time ready has always Fokker 72 Model Aviation model unique respect fuii surprising details Has fully shock-absorbing landing gear tail skid single-surface wing unusual airfoil full cockpit ventilationi Scale nuts bolts hold together funcational realism little details adds up Mrs Diane Plahn mother authors wife holds Spin can have better idea 0 Its size Model uses much aluminum tubing spruce bamboo tough build really Spin Ill Bits pieces Fokker Spin infor mation have collected since age 10 Ive carried tattered magazine pictures meager three-views ever since As building skills developed did interest building Spin ILL As dream machines wanted job best could meant would need good documentation something frustrate project years Beyond lack congruent scale data other obstacles began loom Simplicity ruggedness rule Scale models have success Northwest model like fragile Spin would faced possible collisions sagebrush canals flying sitenot too nice environment raise model covered wires came point obsession build over came practical considerations Obtaining documentation Spin III long series disappointments tattered photographs Air Progress December 1963/January 1964 presented formation enticing Several close up photographs replica 1936 Fokker Spin III Hollands Aeroplanorama ap peared issue no threeviews 1969 Kenneth Munsons book Pioneer Aircraft 1903 -1914 offered first scale drawing could find reflected photographs Holland replica Mun sons color view looked like orig inal Spin III fact drawing replica critical difference lack radiators inverted fourcylinder engine Lacking front view being replica decided look something little better John Taylors History siation featured page Anthony Fokker good pic ture Spin III excitement find fell disappointment looked closely picture pretty real life replica yet still element appeal clean museum re plica original Spin III worlds apart both visually structurally old picture Spin III brought out old rustic antique quality made favorite same time showed far off replica original research started anew After fruitless hours delving through aviation maga zines 1909-14 period became clear little Spin III found Recent books magazines turned out best sources shady history Fokker Spin III few authors agree An interesting tri RS NATURAL WOOO AND METAL PARTS FABRIC NATuRAL LHEN WITH FOKKER IN LARGE BLACK LETTERS ON BoTTOM OF WiNGS WITH I0 D*IEDRAL PER WIIG PANEL AND 10 SWEEP BACK ThE SPIN III REQUIRED NIETHER WINO WARPING OR AILERON CONTROLS CAMBERED STEEL TUBEBAJb900 RIB STEEL TI SPARS TYPICAL WING SECTION O1ODI DRAWN BY PjYlP -IIAUId EARLY 1912 VERSON WING SPAN 36ILENGTH 25-5MAXIMUM SPEED 56 MPH ENGINE 7ORP ARGUS REItRENCES AIR PROGRESS DEC-JA 64 PIOtEER AU1CRAFT I909-I4 K MUNSON AIR CLASSICS OR SP79 HISIORY OF IWIATION JWR TAYLOR FOKKER AECRAFT BJDERS 10 TIE WORLD TPOSTMA 9 June 1983 73 Moaels ot vintage aircran nave strange appeal Ifleir Traglie appearance belies strength Ten degrees sweepback dihedral stability Cu aurrtna,sr aLLUdE ucsg.u~ut 1 UI 111 original Spin Ill fact remains successful airplane its day Having rudder elevator controls easy fly TWIN FLYING DWGSVRLU TO RTCTOER W ALUM U 2-3/H LA TUPF 7AU KSLEs SROBB CONTROL .LBIN BE Ad LIE WEET FACATE OLBOIT ENMNE FROM BALSA CONTROL WFWUL BETINL@ NG AND WiNE 8-4 NEOS PRW COO 049 OaNBEi -R TUOTHPCK PIN HOLDS WINS IN PLACE -4 S 2 vV PLTWOOD SKIDS O COVER TOE N BOTTOM I/OSR4iW Ol/VIAWITH HEAVY BLACK ALIAJ STRIPALLIC TUBETIWEAD STAWLIZER LOt iT jul 4 CU I/8O2-I/D SPOKE WHEELS OOIBWIRC WINEIM TTPCAL ROAMS WINE FTWS DETAIL tV I/52AU1J RINTINS CLF 041 HEAD I/BB DIA4L& TO STAC TO CONTROL CAWAHIE STRUT SETAIL S I AU TIWINS IS ALERt ANT ALL SIZES A/IF OJTE OROJETERS 2 ROD STUFF ALL JOBITS AND LUCA-TITE AU BOLTS S ALL BOLTS 00K WOO IWIDEL RR SIZES 4 NATURAL WITE FAINRC TOXTIWED CO/TRITE USES ON OHIGNAL S FLYhbA WOGIT IS OZ K RUUINU WASSIN-LEFT WRO S/S BOTH HUOSESS- LOFT I/V ThRUST- 0-0 PLIQIT TRW LEFT-LOFT O HEFERENCES AN PROSHESS DEC-JAN 54 AR CLASSICS OH SbA IS PIONEER AJRCRKFT ROS-IW KENNETh MUNSON HOTORT OF ATIATON SWH TAYLOR ET AL CASOAIE STRUT 141 5000 RLETOER OUTLIjES S/SON ALIAC TUBE BERT 0 SHAPE BlAdDER POST /B N ALUM TUBK COVER BOTH ROES SEATV S/S/M3 FRAMES SIR 777 yR N ALUM TUBE LU URAS STRUTV IZIHESS win iii SHEET ST FOUTTEN ETC ND UPPER RUSOET BRACE READ HE simple aircraft dont have much work use Note wing joint landing gear wood toothpick shear pin dummy upright Argus engine almost engulfs venerable Cox 049 74 Model Aviation .undance bracing wires offer interesting contrast moat other aircraft No frills seat belt pilot After years research models planform closest original photographs far can document Note spars beneAth wing spiders nest wire somehow finds Its way com plex structural unitlightweight very strong part supports whole Study photographs carefully rigging FULL-SIZE PLANS AVAILABLE.SEE PAGE 164 Antique planes seem full contradictions giant stabilizer meager rudder seem odds theres modern flying rudder archaic warp contol stabNlzer .a thethe landing gear mn mountirw udIIS andwrge rnuuuzer ij-in aiuminum iue Draces Rn iniereaxing teature hment threads wing ribs sparthe bungee-attached tail skid giving unusual stance takeoff roll June 1983 75 1thiEMOT M ALUM TIP DRILL FOR 71320 ALIAA TL *263 DRILL ALL HOLES3/300ALUhE THOU NOTH RIlES 10TI 4660 MAIN FUSELAHE FRAME SETAt C I3/325 ALL HOLES HO IF 10O4OALLM ENE T DEiRA. 5 COAERITE IFF RIflEFOR RIMS S DETAIL J MAIN SF66 Y3t0NOTE SMRW SANA YRSMIASMA PORT ALA63 TUBELAPAUM TUNERI PLACES SEET 2 MT tMP4lAUe4i model guaranteed unique building experience often sew ribs spar after wing covered Fittings rigging simple strong functional Full surprising details FULL-SIZE PLANS AVAILABLE.SEE PAGE 164 hElM T1 F]/AAOV HIEWER RUG AS READ PR s PAOTCH ROTA KNOB LAY PA UPPER CONERIAS OVER ASS STICKY NOR DORIA GE BAY Al TRIE BRIJSA 13885K THUG COVER YE YE STICK TIE L&Y SUKETIER SEE TRiAL MUSK MIER ALOPAS PASS TO RAE CONIERITE RU BluE Q LAY COVERITS TRIM EXCESS PASFCH OVER PLANN..1515 OVER AND ALIE STICKY S OP ALIKE TP LAY DOWN RAS UADO COPPER RUE POSITERA PASTE RIBSL E AlAS TIC TO ME FTATPASYOSES AlAS ALoE RUG COHERBAS DE1S&t UPPER HISPASS LORER SlUR RUG RETAILIm I/A PlY CAMBER FOUG AFTER COVERIPAS BEND ALIKE RUSTS MATCH CAMBER FORIA AJUOL RETAIL Th SEW 51GM RU EACH RIB WITH FE AI THREAD 5--ALIHE SUM U TYPICAL RIB DETAIL S SCRAP RA 4 DPPAGS TVOIIIS * ST PARK FIR 3IXCALUAIBiER 12 RESt TUBE RAISATOR DETAIL SCRAP GALS ALNO STEP -TIMED LBALSA DIOSAY FREL LIRE DONUT FUEL TANK RETAIL tt spin SHEET U BY PPMPl4AU&44 TYPICAL STRUT ENS CONSTRUTIOPA 7-3/H SAR CAT "HOT STUFF STEP ONE OPEN H FLAIJEN STEP TAO L7-U/IA STEP THREE OUL I/R RULES RUDDER BAR DETAIL 0 ,FLAIFEPA END RULE COLLIS CAP TROL MT 6 DI REQ D Dl/SsALIs& 3 y HSIRAS BRACRET U H REST L------ 6-7/H I/16RTALSISO STRUT 2)3/320 HOLEIII HEaTHOLE HOLE TII5IRULS~ N KL OHIL IAKA FLATTEN N USAS II REST 3/328 hEAR OPEN SLOT I/B COIWS BASE ER BAND AT 2 I/H0 CLAMP FITTINOG IA REUD LANDING SEAR SPREAUCH U REST angle names contributed something final design Fokker Lt Von Daum Mr Goedecker some com bination Fokker Spin III conceived designed built Being two-control airplane inherently stable Spin III popular trainer photograph early flying school showed over 15 Spins field Since built large quan tities can guess chances being exactly same quite slim Just version Spin build became decision make Ive found photographs six different Spin Ills described original frus tration almost cancelled project Air Classics Spring 1979 Quarterly crossed desk Eldon Quicks article brought wealth information light Several photographs series neat scale drawings first looked like what wanted points presentation super also problems version Spin III shown pic tures decided last straw after piling data Spin III heap sifting hour came up few con sistencies would work together key heading picture Quicks article artists rendering Spin III its glory original Spin III two items pulled loose ends together therethe long sta bilizer twin forward cabanes upright fourcylinder engine side-mounted radiators After years frustration mula pieced together plans drawn week feel true representation Spin III research far can produce Spin Ill built various sizes experiment force layout design built Peanut Scale size 26-in-span CO-2 size finally what see three versions quite suc cessful design cannot help stable 10 degrees dihedral 10 degrees sweepback fellow modeler friend have building Scale models same vintage scale compete against other year Greg Davis built series Etrich Taubes built series Fokker Spins lot fun see flying together same contest Construction somewhat different models Ive found best way build Scale model duplicate con struction original closely pos Continued page 148 76 Model Aviation LANOSS SEAN STRUT REUS No cramped cockpit pilot totally vul nerable anything got past engine cabanes Stab goes right seat model Spin Ill chugs past Scene could eas ily Germany rather Boeing Field Seattle WA Model rock stable HEAVY DUTY 4-IN SANDER Adjustable table Miter guide $100 10 Sand discs $300 CASH $2795 Ship $ 350 q minm 764-1490 [CakQic / GOODIESI 13400-26 Saticoy Street3 North Hollywood Calif 91605 cQay_ SPECIAL 825I DELUXE SYSTEMI Flite wt 101 oz 4Ch lete metal Tx 4 Servos NicadsChgr Reg$27495 CASH $15995 Ship$ 650 U I 40-61 Engine Reg $17995 CASH $13995 ___________ U U I I I Pm4kh Lifetime Sanding Taols Grit brazed steel type 11/2 x 9 1g radius type 1 x 9 1g 3/4 radius Bath have coarse & fine grits SpecifyJ $2500 Reg $695 Reg $3995 CASH $495 $2597 MORE U $200 Foreign Add Calif Sales Tax CASH price shown Cards 5% higher sianr cnooiyara ivsoaei Span 46 049 061 engine 350 sqinches 2-3CH Radio Ship $400 have equipment needs help Helicopters Contact George mail 700 Fossil Drive gleside IL 60041 set up schedule Danny Floyd Ill see others Toledo See next month Dose Chesnev PO Box 16612 Greensboro NC 27406 Field Box/Edmonds Continued page 60 17Feetruhher feet hardware store 18 Transmitter padding. -in foam rubber Editors Note build Cus tom RC Sailplane Field Box recom mended follow good cabinet making practice custom Build drawers fit case cut parts fit holes Radio Technique/Myers Continued page 68 officers agents will guarantee fol lowing instructions given article will protect RC operator interference nor will accept responsibility damages incurred directly indirectly result using accompanying card instructed George M Myers 70 Froehlich Farm Rd Hicksvulle NY 1180 AIR CAPITAL MODELS Ready-ToFlyl[iF B 100 Less Radio Engine Span Ship GET ORGANIZED s set 4 sturdy lies ritat trees ever 4 years yOur tavyriC 8 1 magaZines 4 MAG FILES $495 Send $495 pies Si 00 posiage aird hrrd5ng 0GM INOUSThIES PO BOX 388-K DOVER NH 03820 Fokker Spin Ill/Haught Continued page 76 sible As result Spin III almost 90% aluminum tube 10% wood also means working new materials new ways builder should dis couraged Spin III builds quite fast few special tools would worthwhilea small tubing cutler very helpful set small metal files various shapes set small needle-nose pliers None tools required will help speed building process As materials few things look First large amount alu minum tubing may require going several hobby shops until get enought right sizes Try get 36-in lengths handier considerably cheaper 12-in lengths frequently found rear portion wing ribs formed bamboo strips strips can found imported goods shops form shish-ke-bob skewers right size have handy point end available can use 3/32 sq spruce sand round expensive item model pile 000 00 model railroad nuts bolts washers Spin III will expensive con ventional Scale model will stronger far realistic Thi stabilizer best place sDrt pieces spruce strip sanded round glued place joint wrapped thread realism extra strength rearward edges ribs notched wire trailing edge Epoxy-coat joints set aside cure rudders give chance try work ing aluminum tubing Take care crimp tube bending small sizes tubing may help slide strip solder tube before bending bend tube remove solder Start bend slowly working shape little time File ends tubing fit rudder spar tube join together cyanoacrylate CyA glue Add small amount epoxy joint added strength fuselage frame next item build Cut out sides stack together Drill holes through both sides together ensure proper alignment Add cross braces engine mount Fab ricate install cockpit controls seat Cut seat frames well cross slats plywood Cement frames place fuselage frames add slats No record seat belts being used found research shown plans detail assembly con trol system Fabricate parts before assembling try proper fit Glue control system together mount onto fuselage brackets bolts Now time add cockpit controls later will hard work amidst rigging wires control wires made black braided fishing line added after model flight trim med Cover rudders stabilizer next rudders covered traditional manneron both sides highly recommend fabric-textured Coverite easy work super strong Use acetone adhere rather heat Use acetone just would use dope will have no problems Cover rudders first get feel working acetone Coverite Cover rudders both side taking care fold excess over edges hide aluminum tube frame stabilizer little different Cut piece covering size stabilizer /in margin work Lay stabilizer top side down smooth surface Moisten sticky side Coverite acetone lay stabilizer Begin ning leading edge work way back pulling fabric taut smoothing out wrinkles will have wrap fabric around stabilizer spars go Take time use plenty acetone get job done right Keep room well-ventilated dont strike match Refer plan details covering wing finishing 148 Modes Aviation CUSTOM FOAM WINGS S CUSTOM SAILPLANE WINGS S SPRAY ADHESIVES FIBERGLASS FVSEL AGES HI STARTS BALSA d PLY WOOO SEND SOt d IOSASE FOR INFO ESS BOX 437 LEMONT PA 16851 writing advertisers mention read about Model Aviation trailing edge Let stabilizer dry good hour trim off excess fabric Covering top tough Lay acetone-dampened fabric onto stabilizer work out wrinkles Fold over glue excess edges After cc rnent has set go back brush acetone over top surface press top bottom urfaces together between spars ribs et aside dry [he landing gear key entire iircraft structural terms Study steps n plan making landing gear truts ends strut reinforced rom within inside tube sleeve orm four struts drill holes L5 accurately possible would good o make small jig ensure proper spacing holes four struts iot evenly spaced rigging will pull tructure out square will cause trim rOblems later Saw skids plywood stack kids drill holes both same ime would good idea make xtra set skids quite vulnerable o breakage rough landings Make up remaining landing gear parts cabane truts install per plans ast step landing gear cabanes [e rigging wires should taut equal tensioin prevent distortion rovide adequate strength Cut tube form rudder post races tail skid Drill hole through e stabilizer rudder post Epoxy tabilizer fuselage frame Block up form angle incidence shown Ian Sew joint heavy black thread dter has set assemble rudders rudder ost braces Align assembly care illy work board add brace iires brace wires important aake sure fit taut warp ae stabilizer wings next Study steps shown n plan carefully Begin making ribs unconventional art design wings built spar ss flat covered camber ilded ribs Finally spars ided rib-spar crossing sewn gether using heavy black thread Look er pictures carefully real Spin III ed U-bolts anchor ribs spars Iso note version original III both spars run under wing irface Bend aluminum tube wing joiners refully joined wings should ive 10 degrees sweepback 10 de ees dihedral per panel will note side view drawing w toothpicks used alignment pins aunt wing assembly landing gear uts Block up wing fuselage place Take time align two per wing incidence dihedral Clamp wing place drill pilot holes od pins insert pins will hold wings place securely will also give way case crash minimizing structural damage wing bracing wires can now made installed pairstop bot tom both wings way stresses can kept minimum eliminating un wanted warps setting up assembly rigging dont forget set up proper wing washin wires functional take time set up right Locate set spoked wheels fabri cate axle parts axle assembly designed shock-absorbing tail skid Study pictures plans closely see parts go now may wonder finger tips hurt need glasses Well youre half done point added engine nose weight went out fly Dont omit balancing step After short session fruitless hand glides nervously started engine launched Spin calm flew right off drawing board additional trim being required stood mouth agape watched lazily climb wide flat left-hand circles speedster powered por tion flight same glide direction different engine finally quit did breathing transition clean no stall just descent Spin III doesnt glide sinks glide angle around 20 degrees shock-absorbing gear necessary its survivalContinued page 1S2 June 1983 149 Spin Ill handles wind well com bination sweepback dihedral low center gravity makes very stable will caution however trimming flying vintage-type models watch amount power try fly Use little power possible get model climb slowly Excessive speed type aircraft causes radical flight patterns Ive using Cox 049 engine wood 8-4 propeller have good results engine will turn pro peller too fast Davis Diesel conversion used point very successfully havent tried before good idea keep flight log book Spin III recording fuel amounts flight times flight pattern weather condi tions will able closely predict future flights Fokkers rigging should inspected repaired regularly main tain proper trim strength vibration engine occasional snags sticks landing will tend loosen rig ging nuts bolts may allow model go out trim log book ATIENTION OPS Engines & Parts Available Racing Marine Use OPS 15 ter Midget OPS 45 Marine PLUS Custom TD 049/051 engine parts Complete inventory stock custom parts COX TD 049/051 engines complete information send SI P & G Metal Products 301 North Yale Drive Garland TX 75042 Gene Hempel12141 2725210 lafter 600 PM will tell everything should be fore flight Once trimmed flight can spend much time detailing Spin III wish dummy engine fuel tank can made wood tubing add lot realism would pilot detailing documentation resources listed plans worth looking Check library may unexpectedly turn up some thing would hope will try Spini III use inspiration build special model youve always wanted Its worth time put watch circle overhead FF Indoor/Tenny Continued page 77 Oops previous column told about Indoor Week June 12-19 1983 failed tell enter lets repeat some add Second United States Indoor Championships sponsored National Free Flight Society NFFS National Indoor Mode Airplane Shrank Ocean Spirit st Louis 34 WirgsP EngineS R/C RIC Scale ijt#11O $3195 \7Je offer 22 Flight Capable Designs Send 50$ Flyline Catalog DealerS & Distributors Welcomed psane 703 273 5553 FLYLiNE MODELS INC PO Box 2136 FairfaX virginia 22031 USA Society NIMAS will held first four days Indoor Week site atrium Northwood Institute West Baden tN Times scheduled practice flying Sunday June 12 followed IS AMA special events running through pm. June IS Beginning immediately thereafter Fourth Peanut World Grand Prix runs 24 hours Following Grand Prix will ENART annual NIMAS event runs until sometime Saturday June 18 1983 info about US Indoor Champs get entry blanks send SASE Tony Italiano 1655 Revere Dr BrookField WI 53005 Entry deadline avoid late entry fee June 1 198} postmark entry NIMAS ENART get entry blank info Dr John Martin 3327 Darwin St Miami FL 3333 entry proxyflown Peanuts Grand Prix Mike Arak 10900 SW 61 Court Miami FL 33156 details Kit-Plan Scale event contact Martin Varney 1020 N Wood Griffith IN 46319 Join up way compete tndoor Champs must member AMA already wouldnt reading either NFFS NIMAS Juniors Seniors ex cepted call yourself Free Flighter arent member N FFS cheat ing yourself other FFers Two reasons NFFS actively involved activi ties help perpetuate activity dues money helps insure will always able fly challenging kind miniature aircraft 2 iome NFFS rolls proof interest Free Flight necessity cer tain AMA deliberations affected relative number participants category FF CL RC etc cant count youre signed up hurts us lesser degree true NIMAS also join NFFS write Hal Woods 707 2nd St Davis CA 95616 info NIMASBud Tenny PO Box 545 Richardson TX 75080 NFFS Publications Part on-going service NFFS Free Flight buff impressive array plans other technical publications have gathered made available purchase obtain list whats available send SASE Fred Terzian 4858 Moorpark Ave San Jose CA 95129 cabin classes Before advent Manhattan Bostonian Cabin models AMA Cabin models extremely delicate have evolved models have flown over 31 minutes see photo Col Bob Randolph launching 31-mm model Juniors Seniors often fly paper-covered relatively heavy versions Nats competiton see photo 152 Model Aviation SOUTHERNS SORGHUM & FLEXALL THE STANDARDPLASTICIZER CO NTACTFOR ADHESIVEAC RY LI CS FORAND SHEETING/DOPES FOAM/ eew.I WINGS WILLEeg~ NOTSTOPS CRACKING ATTACKAND STYROFOAMCHIPPING CORES SEE YOUR DEALER OR DISTRIBUTOR DAVE BROWN PRODUCTS 4560 Layhigh Hamilton OH 45013 213 738-1576 ALL NEW CUSTOM SCNNEURLE COK 049 ENGINES Racing & Stunt versions special hard chrome & honing technology Also Complete inventory individual stock custom parts Cox TD 020 049 051 & 09 engInes Competition parts & accessories Combat Free Fit C/L & R/C Racing Speed Stunt & Team Race Exclusive distributor Nelson 15 engIne & parts detailed catalog send 50 cents Kustom Kraftsmanshlp Box 2699 Laguna Hills CA 92653 Telephone 714 830-5162
Edition: Model Aviation - 1983/06
Page Numbers: 72, 73, 74, 75, 76, 148, 149, 152
Consistent docu mentation early aircraft wasnt easy come author found out perseverance paid off Eventually able develop very authentic Free Flight Scale model /2A engines con struction very similar prototype David Haught WHETHER Fieseler Storch Fok ker Spin III everyone has special air plane reverently hangared back mind waiting day building board available time ready has always Fokker 72 Model Aviation model unique respect fuii surprising details Has fully shock-absorbing landing gear tail skid single-surface wing unusual airfoil full cockpit ventilationi Scale nuts bolts hold together funcational realism little details adds up Mrs Diane Plahn mother authors wife holds Spin can have better idea 0 Its size Model uses much aluminum tubing spruce bamboo tough build really Spin Ill Bits pieces Fokker Spin infor mation have collected since age 10 Ive carried tattered magazine pictures meager three-views ever since As building skills developed did interest building Spin ILL As dream machines wanted job best could meant would need good documentation something frustrate project years Beyond lack congruent scale data other obstacles began loom Simplicity ruggedness rule Scale models have success Northwest model like fragile Spin would faced possible collisions sagebrush canals flying sitenot too nice environment raise model covered wires came point obsession build over came practical considerations Obtaining documentation Spin III long series disappointments tattered photographs Air Progress December 1963/January 1964 presented formation enticing Several close up photographs replica 1936 Fokker Spin III Hollands Aeroplanorama ap peared issue no threeviews 1969 Kenneth Munsons book Pioneer Aircraft 1903 -1914 offered first scale drawing could find reflected photographs Holland replica Mun sons color view looked like orig inal Spin III fact drawing replica critical difference lack radiators inverted fourcylinder engine Lacking front view being replica decided look something little better John Taylors History siation featured page Anthony Fokker good pic ture Spin III excitement find fell disappointment looked closely picture pretty real life replica yet still element appeal clean museum re plica original Spin III worlds apart both visually structurally old picture Spin III brought out old rustic antique quality made favorite same time showed far off replica original research started anew After fruitless hours delving through aviation maga zines 1909-14 period became clear little Spin III found Recent books magazines turned out best sources shady history Fokker Spin III few authors agree An interesting tri RS NATURAL WOOO AND METAL PARTS FABRIC NATuRAL LHEN WITH FOKKER IN LARGE BLACK LETTERS ON BoTTOM OF WiNGS WITH I0 D*IEDRAL PER WIIG PANEL AND 10 SWEEP BACK ThE SPIN III REQUIRED NIETHER WINO WARPING OR AILERON CONTROLS CAMBERED STEEL TUBEBAJb900 RIB STEEL TI SPARS TYPICAL WING SECTION O1ODI DRAWN BY PjYlP -IIAUId EARLY 1912 VERSON WING SPAN 36ILENGTH 25-5MAXIMUM SPEED 56 MPH ENGINE 7ORP ARGUS REItRENCES AIR PROGRESS DEC-JA 64 PIOtEER AU1CRAFT I909-I4 K MUNSON AIR CLASSICS OR SP79 HISIORY OF IWIATION JWR TAYLOR FOKKER AECRAFT BJDERS 10 TIE WORLD TPOSTMA 9 June 1983 73 Moaels ot vintage aircran nave strange appeal Ifleir Traglie appearance belies strength Ten degrees sweepback dihedral stability Cu aurrtna,sr aLLUdE ucsg.u~ut 1 UI 111 original Spin Ill fact remains successful airplane its day Having rudder elevator controls easy fly TWIN FLYING DWGSVRLU TO RTCTOER W ALUM U 2-3/H LA TUPF 7AU KSLEs SROBB CONTROL .LBIN BE Ad LIE WEET FACATE OLBOIT ENMNE FROM BALSA CONTROL WFWUL BETINL@ NG AND WiNE 8-4 NEOS PRW COO 049 OaNBEi -R TUOTHPCK PIN HOLDS WINS IN PLACE -4 S 2 vV PLTWOOD SKIDS O COVER TOE N BOTTOM I/OSR4iW Ol/VIAWITH HEAVY BLACK ALIAJ STRIPALLIC TUBETIWEAD STAWLIZER LOt iT jul 4 CU I/8O2-I/D SPOKE WHEELS OOIBWIRC WINEIM TTPCAL ROAMS WINE FTWS DETAIL tV I/52AU1J RINTINS CLF 041 HEAD I/BB DIA4L& TO STAC TO CONTROL CAWAHIE STRUT SETAIL S I AU TIWINS IS ALERt ANT ALL SIZES A/IF OJTE OROJETERS 2 ROD STUFF ALL JOBITS AND LUCA-TITE AU BOLTS S ALL BOLTS 00K WOO IWIDEL RR SIZES 4 NATURAL WITE FAINRC TOXTIWED CO/TRITE USES ON OHIGNAL S FLYhbA WOGIT IS OZ K RUUINU WASSIN-LEFT WRO S/S BOTH HUOSESS- LOFT I/V ThRUST- 0-0 PLIQIT TRW LEFT-LOFT O HEFERENCES AN PROSHESS DEC-JAN 54 AR CLASSICS OH SbA IS PIONEER AJRCRKFT ROS-IW KENNETh MUNSON HOTORT OF ATIATON SWH TAYLOR ET AL CASOAIE STRUT 141 5000 RLETOER OUTLIjES S/SON ALIAC TUBE BERT 0 SHAPE BlAdDER POST /B N ALUM TUBK COVER BOTH ROES SEATV S/S/M3 FRAMES SIR 777 yR N ALUM TUBE LU URAS STRUTV IZIHESS win iii SHEET ST FOUTTEN ETC ND UPPER RUSOET BRACE READ HE simple aircraft dont have much work use Note wing joint landing gear wood toothpick shear pin dummy upright Argus engine almost engulfs venerable Cox 049 74 Model Aviation .undance bracing wires offer interesting contrast moat other aircraft No frills seat belt pilot After years research models planform closest original photographs far can document Note spars beneAth wing spiders nest wire somehow finds Its way com plex structural unitlightweight very strong part supports whole Study photographs carefully rigging FULL-SIZE PLANS AVAILABLE.SEE PAGE 164 Antique planes seem full contradictions giant stabilizer meager rudder seem odds theres modern flying rudder archaic warp contol stabNlzer .a thethe landing gear mn mountirw udIIS andwrge rnuuuzer ij-in aiuminum iue Draces Rn iniereaxing teature hment threads wing ribs sparthe bungee-attached tail skid giving unusual stance takeoff roll June 1983 75 1thiEMOT M ALUM TIP DRILL FOR 71320 ALIAA TL *263 DRILL ALL HOLES3/300ALUhE THOU NOTH RIlES 10TI 4660 MAIN FUSELAHE FRAME SETAt C I3/325 ALL HOLES HO IF 10O4OALLM ENE T DEiRA. 5 COAERITE IFF RIflEFOR RIMS S DETAIL J MAIN SF66 Y3t0NOTE SMRW SANA YRSMIASMA PORT ALA63 TUBELAPAUM TUNERI PLACES SEET 2 MT tMP4lAUe4i model guaranteed unique building experience often sew ribs spar after wing covered Fittings rigging simple strong functional Full surprising details FULL-SIZE PLANS AVAILABLE.SEE PAGE 164 hElM T1 F]/AAOV HIEWER RUG AS READ PR s PAOTCH ROTA KNOB LAY PA UPPER CONERIAS OVER ASS STICKY NOR DORIA GE BAY Al TRIE BRIJSA 13885K THUG COVER YE YE STICK TIE L&Y SUKETIER SEE TRiAL MUSK MIER ALOPAS PASS TO RAE CONIERITE RU BluE Q LAY COVERITS TRIM EXCESS PASFCH OVER PLANN..1515 OVER AND ALIE STICKY S OP ALIKE TP LAY DOWN RAS UADO COPPER RUE POSITERA PASTE RIBSL E AlAS TIC TO ME FTATPASYOSES AlAS ALoE RUG COHERBAS DE1S&t UPPER HISPASS LORER SlUR RUG RETAILIm I/A PlY CAMBER FOUG AFTER COVERIPAS BEND ALIKE RUSTS MATCH CAMBER FORIA AJUOL RETAIL Th SEW 51GM RU EACH RIB WITH FE AI THREAD 5--ALIHE SUM U TYPICAL RIB DETAIL S SCRAP RA 4 DPPAGS TVOIIIS * ST PARK FIR 3IXCALUAIBiER 12 RESt TUBE RAISATOR DETAIL SCRAP GALS ALNO STEP -TIMED LBALSA DIOSAY FREL LIRE DONUT FUEL TANK RETAIL tt spin SHEET U BY PPMPl4AU&44 TYPICAL STRUT ENS CONSTRUTIOPA 7-3/H SAR CAT "HOT STUFF STEP ONE OPEN H FLAIJEN STEP TAO L7-U/IA STEP THREE OUL I/R RULES RUDDER BAR DETAIL 0 ,FLAIFEPA END RULE COLLIS CAP TROL MT 6 DI REQ D Dl/SsALIs& 3 y HSIRAS BRACRET U H REST L------ 6-7/H I/16RTALSISO STRUT 2)3/320 HOLEIII HEaTHOLE HOLE TII5IRULS~ N KL OHIL IAKA FLATTEN N USAS II REST 3/328 hEAR OPEN SLOT I/B COIWS BASE ER BAND AT 2 I/H0 CLAMP FITTINOG IA REUD LANDING SEAR SPREAUCH U REST angle names contributed something final design Fokker Lt Von Daum Mr Goedecker some com bination Fokker Spin III conceived designed built Being two-control airplane inherently stable Spin III popular trainer photograph early flying school showed over 15 Spins field Since built large quan tities can guess chances being exactly same quite slim Just version Spin build became decision make Ive found photographs six different Spin Ills described original frus tration almost cancelled project Air Classics Spring 1979 Quarterly crossed desk Eldon Quicks article brought wealth information light Several photographs series neat scale drawings first looked like what wanted points presentation super also problems version Spin III shown pic tures decided last straw after piling data Spin III heap sifting hour came up few con sistencies would work together key heading picture Quicks article artists rendering Spin III its glory original Spin III two items pulled loose ends together therethe long sta bilizer twin forward cabanes upright fourcylinder engine side-mounted radiators After years frustration mula pieced together plans drawn week feel true representation Spin III research far can produce Spin Ill built various sizes experiment force layout design built Peanut Scale size 26-in-span CO-2 size finally what see three versions quite suc cessful design cannot help stable 10 degrees dihedral 10 degrees sweepback fellow modeler friend have building Scale models same vintage scale compete against other year Greg Davis built series Etrich Taubes built series Fokker Spins lot fun see flying together same contest Construction somewhat different models Ive found best way build Scale model duplicate con struction original closely pos Continued page 148 76 Model Aviation LANOSS SEAN STRUT REUS No cramped cockpit pilot totally vul nerable anything got past engine cabanes Stab goes right seat model Spin Ill chugs past Scene could eas ily Germany rather Boeing Field Seattle WA Model rock stable HEAVY DUTY 4-IN SANDER Adjustable table Miter guide $100 10 Sand discs $300 CASH $2795 Ship $ 350 q minm 764-1490 [CakQic / GOODIESI 13400-26 Saticoy Street3 North Hollywood Calif 91605 cQay_ SPECIAL 825I DELUXE SYSTEMI Flite wt 101 oz 4Ch lete metal Tx 4 Servos NicadsChgr Reg$27495 CASH $15995 Ship$ 650 U I 40-61 Engine Reg $17995 CASH $13995 ___________ U U I I I Pm4kh Lifetime Sanding Taols Grit brazed steel type 11/2 x 9 1g radius type 1 x 9 1g 3/4 radius Bath have coarse & fine grits SpecifyJ $2500 Reg $695 Reg $3995 CASH $495 $2597 MORE U $200 Foreign Add Calif Sales Tax CASH price shown Cards 5% higher sianr cnooiyara ivsoaei Span 46 049 061 engine 350 sqinches 2-3CH Radio Ship $400 have equipment needs help Helicopters Contact George mail 700 Fossil Drive gleside IL 60041 set up schedule Danny Floyd Ill see others Toledo See next month Dose Chesnev PO Box 16612 Greensboro NC 27406 Field Box/Edmonds Continued page 60 17Feetruhher feet hardware store 18 Transmitter padding. -in foam rubber Editors Note build Cus tom RC Sailplane Field Box recom mended follow good cabinet making practice custom Build drawers fit case cut parts fit holes Radio Technique/Myers Continued page 68 officers agents will guarantee fol lowing instructions given article will protect RC operator interference nor will accept responsibility damages incurred directly indirectly result using accompanying card instructed George M Myers 70 Froehlich Farm Rd Hicksvulle NY 1180 AIR CAPITAL MODELS Ready-ToFlyl[iF B 100 Less Radio Engine Span Ship GET ORGANIZED s set 4 sturdy lies ritat trees ever 4 years yOur tavyriC 8 1 magaZines 4 MAG FILES $495 Send $495 pies Si 00 posiage aird hrrd5ng 0GM INOUSThIES PO BOX 388-K DOVER NH 03820 Fokker Spin Ill/Haught Continued page 76 sible As result Spin III almost 90% aluminum tube 10% wood also means working new materials new ways builder should dis couraged Spin III builds quite fast few special tools would worthwhilea small tubing cutler very helpful set small metal files various shapes set small needle-nose pliers None tools required will help speed building process As materials few things look First large amount alu minum tubing may require going several hobby shops until get enought right sizes Try get 36-in lengths handier considerably cheaper 12-in lengths frequently found rear portion wing ribs formed bamboo strips strips can found imported goods shops form shish-ke-bob skewers right size have handy point end available can use 3/32 sq spruce sand round expensive item model pile 000 00 model railroad nuts bolts washers Spin III will expensive con ventional Scale model will stronger far realistic Thi stabilizer best place sDrt pieces spruce strip sanded round glued place joint wrapped thread realism extra strength rearward edges ribs notched wire trailing edge Epoxy-coat joints set aside cure rudders give chance try work ing aluminum tubing Take care crimp tube bending small sizes tubing may help slide strip solder tube before bending bend tube remove solder Start bend slowly working shape little time File ends tubing fit rudder spar tube join together cyanoacrylate CyA glue Add small amount epoxy joint added strength fuselage frame next item build Cut out sides stack together Drill holes through both sides together ensure proper alignment Add cross braces engine mount Fab ricate install cockpit controls seat Cut seat frames well cross slats plywood Cement frames place fuselage frames add slats No record seat belts being used found research shown plans detail assembly con trol system Fabricate parts before assembling try proper fit Glue control system together mount onto fuselage brackets bolts Now time add cockpit controls later will hard work amidst rigging wires control wires made black braided fishing line added after model flight trim med Cover rudders stabilizer next rudders covered traditional manneron both sides highly recommend fabric-textured Coverite easy work super strong Use acetone adhere rather heat Use acetone just would use dope will have no problems Cover rudders first get feel working acetone Coverite Cover rudders both side taking care fold excess over edges hide aluminum tube frame stabilizer little different Cut piece covering size stabilizer /in margin work Lay stabilizer top side down smooth surface Moisten sticky side Coverite acetone lay stabilizer Begin ning leading edge work way back pulling fabric taut smoothing out wrinkles will have wrap fabric around stabilizer spars go Take time use plenty acetone get job done right Keep room well-ventilated dont strike match Refer plan details covering wing finishing 148 Modes Aviation CUSTOM FOAM WINGS S CUSTOM SAILPLANE WINGS S SPRAY ADHESIVES FIBERGLASS FVSEL AGES HI STARTS BALSA d PLY WOOO SEND SOt d IOSASE FOR INFO ESS BOX 437 LEMONT PA 16851 writing advertisers mention read about Model Aviation trailing edge Let stabilizer dry good hour trim off excess fabric Covering top tough Lay acetone-dampened fabric onto stabilizer work out wrinkles Fold over glue excess edges After cc rnent has set go back brush acetone over top surface press top bottom urfaces together between spars ribs et aside dry [he landing gear key entire iircraft structural terms Study steps n plan making landing gear truts ends strut reinforced rom within inside tube sleeve orm four struts drill holes L5 accurately possible would good o make small jig ensure proper spacing holes four struts iot evenly spaced rigging will pull tructure out square will cause trim rOblems later Saw skids plywood stack kids drill holes both same ime would good idea make xtra set skids quite vulnerable o breakage rough landings Make up remaining landing gear parts cabane truts install per plans ast step landing gear cabanes [e rigging wires should taut equal tensioin prevent distortion rovide adequate strength Cut tube form rudder post races tail skid Drill hole through e stabilizer rudder post Epoxy tabilizer fuselage frame Block up form angle incidence shown Ian Sew joint heavy black thread dter has set assemble rudders rudder ost braces Align assembly care illy work board add brace iires brace wires important aake sure fit taut warp ae stabilizer wings next Study steps shown n plan carefully Begin making ribs unconventional art design wings built spar ss flat covered camber ilded ribs Finally spars ided rib-spar crossing sewn gether using heavy black thread Look er pictures carefully real Spin III ed U-bolts anchor ribs spars Iso note version original III both spars run under wing irface Bend aluminum tube wing joiners refully joined wings should ive 10 degrees sweepback 10 de ees dihedral per panel will note side view drawing w toothpicks used alignment pins aunt wing assembly landing gear uts Block up wing fuselage place Take time align two per wing incidence dihedral Clamp wing place drill pilot holes od pins insert pins will hold wings place securely will also give way case crash minimizing structural damage wing bracing wires can now made installed pairstop bot tom both wings way stresses can kept minimum eliminating un wanted warps setting up assembly rigging dont forget set up proper wing washin wires functional take time set up right Locate set spoked wheels fabri cate axle parts axle assembly designed shock-absorbing tail skid Study pictures plans closely see parts go now may wonder finger tips hurt need glasses Well youre half done point added engine nose weight went out fly Dont omit balancing step After short session fruitless hand glides nervously started engine launched Spin calm flew right off drawing board additional trim being required stood mouth agape watched lazily climb wide flat left-hand circles speedster powered por tion flight same glide direction different engine finally quit did breathing transition clean no stall just descent Spin III doesnt glide sinks glide angle around 20 degrees shock-absorbing gear necessary its survivalContinued page 1S2 June 1983 149 Spin Ill handles wind well com bination sweepback dihedral low center gravity makes very stable will caution however trimming flying vintage-type models watch amount power try fly Use little power possible get model climb slowly Excessive speed type aircraft causes radical flight patterns Ive using Cox 049 engine wood 8-4 propeller have good results engine will turn pro peller too fast Davis Diesel conversion used point very successfully havent tried before good idea keep flight log book Spin III recording fuel amounts flight times flight pattern weather condi tions will able closely predict future flights Fokkers rigging should inspected repaired regularly main tain proper trim strength vibration engine occasional snags sticks landing will tend loosen rig ging nuts bolts may allow model go out trim log book ATIENTION OPS Engines & Parts Available Racing Marine Use OPS 15 ter Midget OPS 45 Marine PLUS Custom TD 049/051 engine parts Complete inventory stock custom parts COX TD 049/051 engines complete information send SI P & G Metal Products 301 North Yale Drive Garland TX 75042 Gene Hempel12141 2725210 lafter 600 PM will tell everything should be fore flight Once trimmed flight can spend much time detailing Spin III wish dummy engine fuel tank can made wood tubing add lot realism would pilot detailing documentation resources listed plans worth looking Check library may unexpectedly turn up some thing would hope will try Spini III use inspiration build special model youve always wanted Its worth time put watch circle overhead FF Indoor/Tenny Continued page 77 Oops previous column told about Indoor Week June 12-19 1983 failed tell enter lets repeat some add Second United States Indoor Championships sponsored National Free Flight Society NFFS National Indoor Mode Airplane Shrank Ocean Spirit st Louis 34 WirgsP EngineS R/C RIC Scale ijt#11O $3195 \7Je offer 22 Flight Capable Designs Send 50$ Flyline Catalog DealerS & Distributors Welcomed psane 703 273 5553 FLYLiNE MODELS INC PO Box 2136 FairfaX virginia 22031 USA Society NIMAS will held first four days Indoor Week site atrium Northwood Institute West Baden tN Times scheduled practice flying Sunday June 12 followed IS AMA special events running through pm. June IS Beginning immediately thereafter Fourth Peanut World Grand Prix runs 24 hours Following Grand Prix will ENART annual NIMAS event runs until sometime Saturday June 18 1983 info about US Indoor Champs get entry blanks send SASE Tony Italiano 1655 Revere Dr BrookField WI 53005 Entry deadline avoid late entry fee June 1 198} postmark entry NIMAS ENART get entry blank info Dr John Martin 3327 Darwin St Miami FL 3333 entry proxyflown Peanuts Grand Prix Mike Arak 10900 SW 61 Court Miami FL 33156 details Kit-Plan Scale event contact Martin Varney 1020 N Wood Griffith IN 46319 Join up way compete tndoor Champs must member AMA already wouldnt reading either NFFS NIMAS Juniors Seniors ex cepted call yourself Free Flighter arent member N FFS cheat ing yourself other FFers Two reasons NFFS actively involved activi ties help perpetuate activity dues money helps insure will always able fly challenging kind miniature aircraft 2 iome NFFS rolls proof interest Free Flight necessity cer tain AMA deliberations affected relative number participants category FF CL RC etc cant count youre signed up hurts us lesser degree true NIMAS also join NFFS write Hal Woods 707 2nd St Davis CA 95616 info NIMASBud Tenny PO Box 545 Richardson TX 75080 NFFS Publications Part on-going service NFFS Free Flight buff impressive array plans other technical publications have gathered made available purchase obtain list whats available send SASE Fred Terzian 4858 Moorpark Ave San Jose CA 95129 cabin classes Before advent Manhattan Bostonian Cabin models AMA Cabin models extremely delicate have evolved models have flown over 31 minutes see photo Col Bob Randolph launching 31-mm model Juniors Seniors often fly paper-covered relatively heavy versions Nats competiton see photo 152 Model Aviation SOUTHERNS SORGHUM & FLEXALL THE STANDARDPLASTICIZER CO NTACTFOR ADHESIVEAC RY LI CS FORAND SHEETING/DOPES FOAM/ eew.I WINGS WILLEeg~ NOTSTOPS CRACKING ATTACKAND STYROFOAMCHIPPING CORES SEE YOUR DEALER OR DISTRIBUTOR DAVE BROWN PRODUCTS 4560 Layhigh Hamilton OH 45013 213 738-1576 ALL NEW CUSTOM SCNNEURLE COK 049 ENGINES Racing & Stunt versions special hard chrome & honing technology Also Complete inventory individual stock custom parts Cox TD 020 049 051 & 09 engInes Competition parts & accessories Combat Free Fit C/L & R/C Racing Speed Stunt & Team Race Exclusive distributor Nelson 15 engIne & parts detailed catalog send 50 cents Kustom Kraftsmanshlp Box 2699 Laguna Hills CA 92653 Telephone 714 830-5162
Edition: Model Aviation - 1983/06
Page Numbers: 72, 73, 74, 75, 76, 148, 149, 152
Consistent docu mentation early aircraft wasnt easy come author found out perseverance paid off Eventually able develop very authentic Free Flight Scale model /2A engines con struction very similar prototype David Haught WHETHER Fieseler Storch Fok ker Spin III everyone has special air plane reverently hangared back mind waiting day building board available time ready has always Fokker 72 Model Aviation model unique respect fuii surprising details Has fully shock-absorbing landing gear tail skid single-surface wing unusual airfoil full cockpit ventilationi Scale nuts bolts hold together funcational realism little details adds up Mrs Diane Plahn mother authors wife holds Spin can have better idea 0 Its size Model uses much aluminum tubing spruce bamboo tough build really Spin Ill Bits pieces Fokker Spin infor mation have collected since age 10 Ive carried tattered magazine pictures meager three-views ever since As building skills developed did interest building Spin ILL As dream machines wanted job best could meant would need good documentation something frustrate project years Beyond lack congruent scale data other obstacles began loom Simplicity ruggedness rule Scale models have success Northwest model like fragile Spin would faced possible collisions sagebrush canals flying sitenot too nice environment raise model covered wires came point obsession build over came practical considerations Obtaining documentation Spin III long series disappointments tattered photographs Air Progress December 1963/January 1964 presented formation enticing Several close up photographs replica 1936 Fokker Spin III Hollands Aeroplanorama ap peared issue no threeviews 1969 Kenneth Munsons book Pioneer Aircraft 1903 -1914 offered first scale drawing could find reflected photographs Holland replica Mun sons color view looked like orig inal Spin III fact drawing replica critical difference lack radiators inverted fourcylinder engine Lacking front view being replica decided look something little better John Taylors History siation featured page Anthony Fokker good pic ture Spin III excitement find fell disappointment looked closely picture pretty real life replica yet still element appeal clean museum re plica original Spin III worlds apart both visually structurally old picture Spin III brought out old rustic antique quality made favorite same time showed far off replica original research started anew After fruitless hours delving through aviation maga zines 1909-14 period became clear little Spin III found Recent books magazines turned out best sources shady history Fokker Spin III few authors agree An interesting tri RS NATURAL WOOO AND METAL PARTS FABRIC NATuRAL LHEN WITH FOKKER IN LARGE BLACK LETTERS ON BoTTOM OF WiNGS WITH I0 D*IEDRAL PER WIIG PANEL AND 10 SWEEP BACK ThE SPIN III REQUIRED NIETHER WINO WARPING OR AILERON CONTROLS CAMBERED STEEL TUBEBAJb900 RIB STEEL TI SPARS TYPICAL WING SECTION O1ODI DRAWN BY PjYlP -IIAUId EARLY 1912 VERSON WING SPAN 36ILENGTH 25-5MAXIMUM SPEED 56 MPH ENGINE 7ORP ARGUS REItRENCES AIR PROGRESS DEC-JA 64 PIOtEER AU1CRAFT I909-I4 K MUNSON AIR CLASSICS OR SP79 HISIORY OF IWIATION JWR TAYLOR FOKKER AECRAFT BJDERS 10 TIE WORLD TPOSTMA 9 June 1983 73 Moaels ot vintage aircran nave strange appeal Ifleir Traglie appearance belies strength Ten degrees sweepback dihedral stability Cu aurrtna,sr aLLUdE ucsg.u~ut 1 UI 111 original Spin Ill fact remains successful airplane its day Having rudder elevator controls easy fly TWIN FLYING DWGSVRLU TO RTCTOER W ALUM U 2-3/H LA TUPF 7AU KSLEs SROBB CONTROL .LBIN BE Ad LIE WEET FACATE OLBOIT ENMNE FROM BALSA CONTROL WFWUL BETINL@ NG AND WiNE 8-4 NEOS PRW COO 049 OaNBEi -R TUOTHPCK PIN HOLDS WINS IN PLACE -4 S 2 vV PLTWOOD SKIDS O COVER TOE N BOTTOM I/OSR4iW Ol/VIAWITH HEAVY BLACK ALIAJ STRIPALLIC TUBETIWEAD STAWLIZER LOt iT jul 4 CU I/8O2-I/D SPOKE WHEELS OOIBWIRC WINEIM TTPCAL ROAMS WINE FTWS DETAIL tV I/52AU1J RINTINS CLF 041 HEAD I/BB DIA4L& TO STAC TO CONTROL CAWAHIE STRUT SETAIL S I AU TIWINS IS ALERt ANT ALL SIZES A/IF OJTE OROJETERS 2 ROD STUFF ALL JOBITS AND LUCA-TITE AU BOLTS S ALL BOLTS 00K WOO IWIDEL RR SIZES 4 NATURAL WITE FAINRC TOXTIWED CO/TRITE USES ON OHIGNAL S FLYhbA WOGIT IS OZ K RUUINU WASSIN-LEFT WRO S/S BOTH HUOSESS- LOFT I/V ThRUST- 0-0 PLIQIT TRW LEFT-LOFT O HEFERENCES AN PROSHESS DEC-JAN 54 AR CLASSICS OH SbA IS PIONEER AJRCRKFT ROS-IW KENNETh MUNSON HOTORT OF ATIATON SWH TAYLOR ET AL CASOAIE STRUT 141 5000 RLETOER OUTLIjES S/SON ALIAC TUBE BERT 0 SHAPE BlAdDER POST /B N ALUM TUBK COVER BOTH ROES SEATV S/S/M3 FRAMES SIR 777 yR N ALUM TUBE LU URAS STRUTV IZIHESS win iii SHEET ST FOUTTEN ETC ND UPPER RUSOET BRACE READ HE simple aircraft dont have much work use Note wing joint landing gear wood toothpick shear pin dummy upright Argus engine almost engulfs venerable Cox 049 74 Model Aviation .undance bracing wires offer interesting contrast moat other aircraft No frills seat belt pilot After years research models planform closest original photographs far can document Note spars beneAth wing spiders nest wire somehow finds Its way com plex structural unitlightweight very strong part supports whole Study photographs carefully rigging FULL-SIZE PLANS AVAILABLE.SEE PAGE 164 Antique planes seem full contradictions giant stabilizer meager rudder seem odds theres modern flying rudder archaic warp contol stabNlzer .a thethe landing gear mn mountirw udIIS andwrge rnuuuzer ij-in aiuminum iue Draces Rn iniereaxing teature hment threads wing ribs sparthe bungee-attached tail skid giving unusual stance takeoff roll June 1983 75 1thiEMOT M ALUM TIP DRILL FOR 71320 ALIAA TL *263 DRILL ALL HOLES3/300ALUhE THOU NOTH RIlES 10TI 4660 MAIN FUSELAHE FRAME SETAt C I3/325 ALL HOLES HO IF 10O4OALLM ENE T DEiRA. 5 COAERITE IFF RIflEFOR RIMS S DETAIL J MAIN SF66 Y3t0NOTE SMRW SANA YRSMIASMA PORT ALA63 TUBELAPAUM TUNERI PLACES SEET 2 MT tMP4lAUe4i model guaranteed unique building experience often sew ribs spar after wing covered Fittings rigging simple strong functional Full surprising details FULL-SIZE PLANS AVAILABLE.SEE PAGE 164 hElM T1 F]/AAOV HIEWER RUG AS READ PR s PAOTCH ROTA KNOB LAY PA UPPER CONERIAS OVER ASS STICKY NOR DORIA GE BAY Al TRIE BRIJSA 13885K THUG COVER YE YE STICK TIE L&Y SUKETIER SEE TRiAL MUSK MIER ALOPAS PASS TO RAE CONIERITE RU BluE Q LAY COVERITS TRIM EXCESS PASFCH OVER PLANN..1515 OVER AND ALIE STICKY S OP ALIKE TP LAY DOWN RAS UADO COPPER RUE POSITERA PASTE RIBSL E AlAS TIC TO ME FTATPASYOSES AlAS ALoE RUG COHERBAS DE1S&t UPPER HISPASS LORER SlUR RUG RETAILIm I/A PlY CAMBER FOUG AFTER COVERIPAS BEND ALIKE RUSTS MATCH CAMBER FORIA AJUOL RETAIL Th SEW 51GM RU EACH RIB WITH FE AI THREAD 5--ALIHE SUM U TYPICAL RIB DETAIL S SCRAP RA 4 DPPAGS TVOIIIS * ST PARK FIR 3IXCALUAIBiER 12 RESt TUBE RAISATOR DETAIL SCRAP GALS ALNO STEP -TIMED LBALSA DIOSAY FREL LIRE DONUT FUEL TANK RETAIL tt spin SHEET U BY PPMPl4AU&44 TYPICAL STRUT ENS CONSTRUTIOPA 7-3/H SAR CAT "HOT STUFF STEP ONE OPEN H FLAIJEN STEP TAO L7-U/IA STEP THREE OUL I/R RULES RUDDER BAR DETAIL 0 ,FLAIFEPA END RULE COLLIS CAP TROL MT 6 DI REQ D Dl/SsALIs& 3 y HSIRAS BRACRET U H REST L------ 6-7/H I/16RTALSISO STRUT 2)3/320 HOLEIII HEaTHOLE HOLE TII5IRULS~ N KL OHIL IAKA FLATTEN N USAS II REST 3/328 hEAR OPEN SLOT I/B COIWS BASE ER BAND AT 2 I/H0 CLAMP FITTINOG IA REUD LANDING SEAR SPREAUCH U REST angle names contributed something final design Fokker Lt Von Daum Mr Goedecker some com bination Fokker Spin III conceived designed built Being two-control airplane inherently stable Spin III popular trainer photograph early flying school showed over 15 Spins field Since built large quan tities can guess chances being exactly same quite slim Just version Spin build became decision make Ive found photographs six different Spin Ills described original frus tration almost cancelled project Air Classics Spring 1979 Quarterly crossed desk Eldon Quicks article brought wealth information light Several photographs series neat scale drawings first looked like what wanted points presentation super also problems version Spin III shown pic tures decided last straw after piling data Spin III heap sifting hour came up few con sistencies would work together key heading picture Quicks article artists rendering Spin III its glory original Spin III two items pulled loose ends together therethe long sta bilizer twin forward cabanes upright fourcylinder engine side-mounted radiators After years frustration mula pieced together plans drawn week feel true representation Spin III research far can produce Spin Ill built various sizes experiment force layout design built Peanut Scale size 26-in-span CO-2 size finally what see three versions quite suc cessful design cannot help stable 10 degrees dihedral 10 degrees sweepback fellow modeler friend have building Scale models same vintage scale compete against other year Greg Davis built series Etrich Taubes built series Fokker Spins lot fun see flying together same contest Construction somewhat different models Ive found best way build Scale model duplicate con struction original closely pos Continued page 148 76 Model Aviation LANOSS SEAN STRUT REUS No cramped cockpit pilot totally vul nerable anything got past engine cabanes Stab goes right seat model Spin Ill chugs past Scene could eas ily Germany rather Boeing Field Seattle WA Model rock stable HEAVY DUTY 4-IN SANDER Adjustable table Miter guide $100 10 Sand discs $300 CASH $2795 Ship $ 350 q minm 764-1490 [CakQic / GOODIESI 13400-26 Saticoy Street3 North Hollywood Calif 91605 cQay_ SPECIAL 825I DELUXE SYSTEMI Flite wt 101 oz 4Ch lete metal Tx 4 Servos NicadsChgr Reg$27495 CASH $15995 Ship$ 650 U I 40-61 Engine Reg $17995 CASH $13995 ___________ U U I I I Pm4kh Lifetime Sanding Taols Grit brazed steel type 11/2 x 9 1g radius type 1 x 9 1g 3/4 radius Bath have coarse & fine grits SpecifyJ $2500 Reg $695 Reg $3995 CASH $495 $2597 MORE U $200 Foreign Add Calif Sales Tax CASH price shown Cards 5% higher sianr cnooiyara ivsoaei Span 46 049 061 engine 350 sqinches 2-3CH Radio Ship $400 have equipment needs help Helicopters Contact George mail 700 Fossil Drive gleside IL 60041 set up schedule Danny Floyd Ill see others Toledo See next month Dose Chesnev PO Box 16612 Greensboro NC 27406 Field Box/Edmonds Continued page 60 17Feetruhher feet hardware store 18 Transmitter padding. -in foam rubber Editors Note build Cus tom RC Sailplane Field Box recom mended follow good cabinet making practice custom Build drawers fit case cut parts fit holes Radio Technique/Myers Continued page 68 officers agents will guarantee fol lowing instructions given article will protect RC operator interference nor will accept responsibility damages incurred directly indirectly result using accompanying card instructed George M Myers 70 Froehlich Farm Rd Hicksvulle NY 1180 AIR CAPITAL MODELS Ready-ToFlyl[iF B 100 Less Radio Engine Span Ship GET ORGANIZED s set 4 sturdy lies ritat trees ever 4 years yOur tavyriC 8 1 magaZines 4 MAG FILES $495 Send $495 pies Si 00 posiage aird hrrd5ng 0GM INOUSThIES PO BOX 388-K DOVER NH 03820 Fokker Spin Ill/Haught Continued page 76 sible As result Spin III almost 90% aluminum tube 10% wood also means working new materials new ways builder should dis couraged Spin III builds quite fast few special tools would worthwhilea small tubing cutler very helpful set small metal files various shapes set small needle-nose pliers None tools required will help speed building process As materials few things look First large amount alu minum tubing may require going several hobby shops until get enought right sizes Try get 36-in lengths handier considerably cheaper 12-in lengths frequently found rear portion wing ribs formed bamboo strips strips can found imported goods shops form shish-ke-bob skewers right size have handy point end available can use 3/32 sq spruce sand round expensive item model pile 000 00 model railroad nuts bolts washers Spin III will expensive con ventional Scale model will stronger far realistic Thi stabilizer best place sDrt pieces spruce strip sanded round glued place joint wrapped thread realism extra strength rearward edges ribs notched wire trailing edge Epoxy-coat joints set aside cure rudders give chance try work ing aluminum tubing Take care crimp tube bending small sizes tubing may help slide strip solder tube before bending bend tube remove solder Start bend slowly working shape little time File ends tubing fit rudder spar tube join together cyanoacrylate CyA glue Add small amount epoxy joint added strength fuselage frame next item build Cut out sides stack together Drill holes through both sides together ensure proper alignment Add cross braces engine mount Fab ricate install cockpit controls seat Cut seat frames well cross slats plywood Cement frames place fuselage frames add slats No record seat belts being used found research shown plans detail assembly con trol system Fabricate parts before assembling try proper fit Glue control system together mount onto fuselage brackets bolts Now time add cockpit controls later will hard work amidst rigging wires control wires made black braided fishing line added after model flight trim med Cover rudders stabilizer next rudders covered traditional manneron both sides highly recommend fabric-textured Coverite easy work super strong Use acetone adhere rather heat Use acetone just would use dope will have no problems Cover rudders first get feel working acetone Coverite Cover rudders both side taking care fold excess over edges hide aluminum tube frame stabilizer little different Cut piece covering size stabilizer /in margin work Lay stabilizer top side down smooth surface Moisten sticky side Coverite acetone lay stabilizer Begin ning leading edge work way back pulling fabric taut smoothing out wrinkles will have wrap fabric around stabilizer spars go Take time use plenty acetone get job done right Keep room well-ventilated dont strike match Refer plan details covering wing finishing 148 Modes Aviation CUSTOM FOAM WINGS S CUSTOM SAILPLANE WINGS S SPRAY ADHESIVES FIBERGLASS FVSEL AGES HI STARTS BALSA d PLY WOOO SEND SOt d IOSASE FOR INFO ESS BOX 437 LEMONT PA 16851 writing advertisers mention read about Model Aviation trailing edge Let stabilizer dry good hour trim off excess fabric Covering top tough Lay acetone-dampened fabric onto stabilizer work out wrinkles Fold over glue excess edges After cc rnent has set go back brush acetone over top surface press top bottom urfaces together between spars ribs et aside dry [he landing gear key entire iircraft structural terms Study steps n plan making landing gear truts ends strut reinforced rom within inside tube sleeve orm four struts drill holes L5 accurately possible would good o make small jig ensure proper spacing holes four struts iot evenly spaced rigging will pull tructure out square will cause trim rOblems later Saw skids plywood stack kids drill holes both same ime would good idea make xtra set skids quite vulnerable o breakage rough landings Make up remaining landing gear parts cabane truts install per plans ast step landing gear cabanes [e rigging wires should taut equal tensioin prevent distortion rovide adequate strength Cut tube form rudder post races tail skid Drill hole through e stabilizer rudder post Epoxy tabilizer fuselage frame Block up form angle incidence shown Ian Sew joint heavy black thread dter has set assemble rudders rudder ost braces Align assembly care illy work board add brace iires brace wires important aake sure fit taut warp ae stabilizer wings next Study steps shown n plan carefully Begin making ribs unconventional art design wings built spar ss flat covered camber ilded ribs Finally spars ided rib-spar crossing sewn gether using heavy black thread Look er pictures carefully real Spin III ed U-bolts anchor ribs spars Iso note version original III both spars run under wing irface Bend aluminum tube wing joiners refully joined wings should ive 10 degrees sweepback 10 de ees dihedral per panel will note side view drawing w toothpicks used alignment pins aunt wing assembly landing gear uts Block up wing fuselage place Take time align two per wing incidence dihedral Clamp wing place drill pilot holes od pins insert pins will hold wings place securely will also give way case crash minimizing structural damage wing bracing wires can now made installed pairstop bot tom both wings way stresses can kept minimum eliminating un wanted warps setting up assembly rigging dont forget set up proper wing washin wires functional take time set up right Locate set spoked wheels fabri cate axle parts axle assembly designed shock-absorbing tail skid Study pictures plans closely see parts go now may wonder finger tips hurt need glasses Well youre half done point added engine nose weight went out fly Dont omit balancing step After short session fruitless hand glides nervously started engine launched Spin calm flew right off drawing board additional trim being required stood mouth agape watched lazily climb wide flat left-hand circles speedster powered por tion flight same glide direction different engine finally quit did breathing transition clean no stall just descent Spin III doesnt glide sinks glide angle around 20 degrees shock-absorbing gear necessary its survivalContinued page 1S2 June 1983 149 Spin Ill handles wind well com bination sweepback dihedral low center gravity makes very stable will caution however trimming flying vintage-type models watch amount power try fly Use little power possible get model climb slowly Excessive speed type aircraft causes radical flight patterns Ive using Cox 049 engine wood 8-4 propeller have good results engine will turn pro peller too fast Davis Diesel conversion used point very successfully havent tried before good idea keep flight log book Spin III recording fuel amounts flight times flight pattern weather condi tions will able closely predict future flights Fokkers rigging should inspected repaired regularly main tain proper trim strength vibration engine occasional snags sticks landing will tend loosen rig ging nuts bolts may allow model go out trim log book ATIENTION OPS Engines & Parts Available Racing Marine Use OPS 15 ter Midget OPS 45 Marine PLUS Custom TD 049/051 engine parts Complete inventory stock custom parts COX TD 049/051 engines complete information send SI P & G Metal Products 301 North Yale Drive Garland TX 75042 Gene Hempel12141 2725210 lafter 600 PM will tell everything should be fore flight Once trimmed flight can spend much time detailing Spin III wish dummy engine fuel tank can made wood tubing add lot realism would pilot detailing documentation resources listed plans worth looking Check library may unexpectedly turn up some thing would hope will try Spini III use inspiration build special model youve always wanted Its worth time put watch circle overhead FF Indoor/Tenny Continued page 77 Oops previous column told about Indoor Week June 12-19 1983 failed tell enter lets repeat some add Second United States Indoor Championships sponsored National Free Flight Society NFFS National Indoor Mode Airplane Shrank Ocean Spirit st Louis 34 WirgsP EngineS R/C RIC Scale ijt#11O $3195 \7Je offer 22 Flight Capable Designs Send 50$ Flyline Catalog DealerS & Distributors Welcomed psane 703 273 5553 FLYLiNE MODELS INC PO Box 2136 FairfaX virginia 22031 USA Society NIMAS will held first four days Indoor Week site atrium Northwood Institute West Baden tN Times scheduled practice flying Sunday June 12 followed IS AMA special events running through pm. June IS Beginning immediately thereafter Fourth Peanut World Grand Prix runs 24 hours Following Grand Prix will ENART annual NIMAS event runs until sometime Saturday June 18 1983 info about US Indoor Champs get entry blanks send SASE Tony Italiano 1655 Revere Dr BrookField WI 53005 Entry deadline avoid late entry fee June 1 198} postmark entry NIMAS ENART get entry blank info Dr John Martin 3327 Darwin St Miami FL 3333 entry proxyflown Peanuts Grand Prix Mike Arak 10900 SW 61 Court Miami FL 33156 details Kit-Plan Scale event contact Martin Varney 1020 N Wood Griffith IN 46319 Join up way compete tndoor Champs must member AMA already wouldnt reading either NFFS NIMAS Juniors Seniors ex cepted call yourself Free Flighter arent member N FFS cheat ing yourself other FFers Two reasons NFFS actively involved activi ties help perpetuate activity dues money helps insure will always able fly challenging kind miniature aircraft 2 iome NFFS rolls proof interest Free Flight necessity cer tain AMA deliberations affected relative number participants category FF CL RC etc cant count youre signed up hurts us lesser degree true NIMAS also join NFFS write Hal Woods 707 2nd St Davis CA 95616 info NIMASBud Tenny PO Box 545 Richardson TX 75080 NFFS Publications Part on-going service NFFS Free Flight buff impressive array plans other technical publications have gathered made available purchase obtain list whats available send SASE Fred Terzian 4858 Moorpark Ave San Jose CA 95129 cabin classes Before advent Manhattan Bostonian Cabin models AMA Cabin models extremely delicate have evolved models have flown over 31 minutes see photo Col Bob Randolph launching 31-mm model Juniors Seniors often fly paper-covered relatively heavy versions Nats competiton see photo 152 Model Aviation SOUTHERNS SORGHUM & FLEXALL THE STANDARDPLASTICIZER CO NTACTFOR ADHESIVEAC RY LI CS FORAND SHEETING/DOPES FOAM/ eew.I WINGS WILLEeg~ NOTSTOPS CRACKING ATTACKAND STYROFOAMCHIPPING CORES SEE YOUR DEALER OR DISTRIBUTOR DAVE BROWN PRODUCTS 4560 Layhigh Hamilton OH 45013 213 738-1576 ALL NEW CUSTOM SCNNEURLE COK 049 ENGINES Racing & Stunt versions special hard chrome & honing technology Also Complete inventory individual stock custom parts Cox TD 020 049 051 & 09 engInes Competition parts & accessories Combat Free Fit C/L & R/C Racing Speed Stunt & Team Race Exclusive distributor Nelson 15 engIne & parts detailed catalog send 50 cents Kustom Kraftsmanshlp Box 2699 Laguna Hills CA 92653 Telephone 714 830-5162
Edition: Model Aviation - 1983/06
Page Numbers: 72, 73, 74, 75, 76, 148, 149, 152
Consistent docu mentation early aircraft wasnt easy come author found out perseverance paid off Eventually able develop very authentic Free Flight Scale model /2A engines con struction very similar prototype David Haught WHETHER Fieseler Storch Fok ker Spin III everyone has special air plane reverently hangared back mind waiting day building board available time ready has always Fokker 72 Model Aviation model unique respect fuii surprising details Has fully shock-absorbing landing gear tail skid single-surface wing unusual airfoil full cockpit ventilationi Scale nuts bolts hold together funcational realism little details adds up Mrs Diane Plahn mother authors wife holds Spin can have better idea 0 Its size Model uses much aluminum tubing spruce bamboo tough build really Spin Ill Bits pieces Fokker Spin infor mation have collected since age 10 Ive carried tattered magazine pictures meager three-views ever since As building skills developed did interest building Spin ILL As dream machines wanted job best could meant would need good documentation something frustrate project years Beyond lack congruent scale data other obstacles began loom Simplicity ruggedness rule Scale models have success Northwest model like fragile Spin would faced possible collisions sagebrush canals flying sitenot too nice environment raise model covered wires came point obsession build over came practical considerations Obtaining documentation Spin III long series disappointments tattered photographs Air Progress December 1963/January 1964 presented formation enticing Several close up photographs replica 1936 Fokker Spin III Hollands Aeroplanorama ap peared issue no threeviews 1969 Kenneth Munsons book Pioneer Aircraft 1903 -1914 offered first scale drawing could find reflected photographs Holland replica Mun sons color view looked like orig inal Spin III fact drawing replica critical difference lack radiators inverted fourcylinder engine Lacking front view being replica decided look something little better John Taylors History siation featured page Anthony Fokker good pic ture Spin III excitement find fell disappointment looked closely picture pretty real life replica yet still element appeal clean museum re plica original Spin III worlds apart both visually structurally old picture Spin III brought out old rustic antique quality made favorite same time showed far off replica original research started anew After fruitless hours delving through aviation maga zines 1909-14 period became clear little Spin III found Recent books magazines turned out best sources shady history Fokker Spin III few authors agree An interesting tri RS NATURAL WOOO AND METAL PARTS FABRIC NATuRAL LHEN WITH FOKKER IN LARGE BLACK LETTERS ON BoTTOM OF WiNGS WITH I0 D*IEDRAL PER WIIG PANEL AND 10 SWEEP BACK ThE SPIN III REQUIRED NIETHER WINO WARPING OR AILERON CONTROLS CAMBERED STEEL TUBEBAJb900 RIB STEEL TI SPARS TYPICAL WING SECTION O1ODI DRAWN BY PjYlP -IIAUId EARLY 1912 VERSON WING SPAN 36ILENGTH 25-5MAXIMUM SPEED 56 MPH ENGINE 7ORP ARGUS REItRENCES AIR PROGRESS DEC-JA 64 PIOtEER AU1CRAFT I909-I4 K MUNSON AIR CLASSICS OR SP79 HISIORY OF IWIATION JWR TAYLOR FOKKER AECRAFT BJDERS 10 TIE WORLD TPOSTMA 9 June 1983 73 Moaels ot vintage aircran nave strange appeal Ifleir Traglie appearance belies strength Ten degrees sweepback dihedral stability Cu aurrtna,sr aLLUdE ucsg.u~ut 1 UI 111 original Spin Ill fact remains successful airplane its day Having rudder elevator controls easy fly TWIN FLYING DWGSVRLU TO RTCTOER W ALUM U 2-3/H LA TUPF 7AU KSLEs SROBB CONTROL .LBIN BE Ad LIE WEET FACATE OLBOIT ENMNE FROM BALSA CONTROL WFWUL BETINL@ NG AND WiNE 8-4 NEOS PRW COO 049 OaNBEi -R TUOTHPCK PIN HOLDS WINS IN PLACE -4 S 2 vV PLTWOOD SKIDS O COVER TOE N BOTTOM I/OSR4iW Ol/VIAWITH HEAVY BLACK ALIAJ STRIPALLIC TUBETIWEAD STAWLIZER LOt iT jul 4 CU I/8O2-I/D SPOKE WHEELS OOIBWIRC WINEIM TTPCAL ROAMS WINE FTWS DETAIL tV I/52AU1J RINTINS CLF 041 HEAD I/BB DIA4L& TO STAC TO CONTROL CAWAHIE STRUT SETAIL S I AU TIWINS IS ALERt ANT ALL SIZES A/IF OJTE OROJETERS 2 ROD STUFF ALL JOBITS AND LUCA-TITE AU BOLTS S ALL BOLTS 00K WOO IWIDEL RR SIZES 4 NATURAL WITE FAINRC TOXTIWED CO/TRITE USES ON OHIGNAL S FLYhbA WOGIT IS OZ K RUUINU WASSIN-LEFT WRO S/S BOTH HUOSESS- LOFT I/V ThRUST- 0-0 PLIQIT TRW LEFT-LOFT O HEFERENCES AN PROSHESS DEC-JAN 54 AR CLASSICS OH SbA IS PIONEER AJRCRKFT ROS-IW KENNETh MUNSON HOTORT OF ATIATON SWH TAYLOR ET AL CASOAIE STRUT 141 5000 RLETOER OUTLIjES S/SON ALIAC TUBE BERT 0 SHAPE BlAdDER POST /B N ALUM TUBK COVER BOTH ROES SEATV S/S/M3 FRAMES SIR 777 yR N ALUM TUBE LU URAS STRUTV IZIHESS win iii SHEET ST FOUTTEN ETC ND UPPER RUSOET BRACE READ HE simple aircraft dont have much work use Note wing joint landing gear wood toothpick shear pin dummy upright Argus engine almost engulfs venerable Cox 049 74 Model Aviation .undance bracing wires offer interesting contrast moat other aircraft No frills seat belt pilot After years research models planform closest original photographs far can document Note spars beneAth wing spiders nest wire somehow finds Its way com plex structural unitlightweight very strong part supports whole Study photographs carefully rigging FULL-SIZE PLANS AVAILABLE.SEE PAGE 164 Antique planes seem full contradictions giant stabilizer meager rudder seem odds theres modern flying rudder archaic warp contol stabNlzer .a thethe landing gear mn mountirw udIIS andwrge rnuuuzer ij-in aiuminum iue Draces Rn iniereaxing teature hment threads wing ribs sparthe bungee-attached tail skid giving unusual stance takeoff roll June 1983 75 1thiEMOT M ALUM TIP DRILL FOR 71320 ALIAA TL *263 DRILL ALL HOLES3/300ALUhE THOU NOTH RIlES 10TI 4660 MAIN FUSELAHE FRAME SETAt C I3/325 ALL HOLES HO IF 10O4OALLM ENE T DEiRA. 5 COAERITE IFF RIflEFOR RIMS S DETAIL J MAIN SF66 Y3t0NOTE SMRW SANA YRSMIASMA PORT ALA63 TUBELAPAUM TUNERI PLACES SEET 2 MT tMP4lAUe4i model guaranteed unique building experience often sew ribs spar after wing covered Fittings rigging simple strong functional Full surprising details FULL-SIZE PLANS AVAILABLE.SEE PAGE 164 hElM T1 F]/AAOV HIEWER RUG AS READ PR s PAOTCH ROTA KNOB LAY PA UPPER CONERIAS OVER ASS STICKY NOR DORIA GE BAY Al TRIE BRIJSA 13885K THUG COVER YE YE STICK TIE L&Y SUKETIER SEE TRiAL MUSK MIER ALOPAS PASS TO RAE CONIERITE RU BluE Q LAY COVERITS TRIM EXCESS PASFCH OVER PLANN..1515 OVER AND ALIE STICKY S OP ALIKE TP LAY DOWN RAS UADO COPPER RUE POSITERA PASTE RIBSL E AlAS TIC TO ME FTATPASYOSES AlAS ALoE RUG COHERBAS DE1S&t UPPER HISPASS LORER SlUR RUG RETAILIm I/A PlY CAMBER FOUG AFTER COVERIPAS BEND ALIKE RUSTS MATCH CAMBER FORIA AJUOL RETAIL Th SEW 51GM RU EACH RIB WITH FE AI THREAD 5--ALIHE SUM U TYPICAL RIB DETAIL S SCRAP RA 4 DPPAGS TVOIIIS * ST PARK FIR 3IXCALUAIBiER 12 RESt TUBE RAISATOR DETAIL SCRAP GALS ALNO STEP -TIMED LBALSA DIOSAY FREL LIRE DONUT FUEL TANK RETAIL tt spin SHEET U BY PPMPl4AU&44 TYPICAL STRUT ENS CONSTRUTIOPA 7-3/H SAR CAT "HOT STUFF STEP ONE OPEN H FLAIJEN STEP TAO L7-U/IA STEP THREE OUL I/R RULES RUDDER BAR DETAIL 0 ,FLAIFEPA END RULE COLLIS CAP TROL MT 6 DI REQ D Dl/SsALIs& 3 y HSIRAS BRACRET U H REST L------ 6-7/H I/16RTALSISO STRUT 2)3/320 HOLEIII HEaTHOLE HOLE TII5IRULS~ N KL OHIL IAKA FLATTEN N USAS II REST 3/328 hEAR OPEN SLOT I/B COIWS BASE ER BAND AT 2 I/H0 CLAMP FITTINOG IA REUD LANDING SEAR SPREAUCH U REST angle names contributed something final design Fokker Lt Von Daum Mr Goedecker some com bination Fokker Spin III conceived designed built Being two-control airplane inherently stable Spin III popular trainer photograph early flying school showed over 15 Spins field Since built large quan tities can guess chances being exactly same quite slim Just version Spin build became decision make Ive found photographs six different Spin Ills described original frus tration almost cancelled project Air Classics Spring 1979 Quarterly crossed desk Eldon Quicks article brought wealth information light Several photographs series neat scale drawings first looked like what wanted points presentation super also problems version Spin III shown pic tures decided last straw after piling data Spin III heap sifting hour came up few con sistencies would work together key heading picture Quicks article artists rendering Spin III its glory original Spin III two items pulled loose ends together therethe long sta bilizer twin forward cabanes upright fourcylinder engine side-mounted radiators After years frustration mula pieced together plans drawn week feel true representation Spin III research far can produce Spin Ill built various sizes experiment force layout design built Peanut Scale size 26-in-span CO-2 size finally what see three versions quite suc cessful design cannot help stable 10 degrees dihedral 10 degrees sweepback fellow modeler friend have building Scale models same vintage scale compete against other year Greg Davis built series Etrich Taubes built series Fokker Spins lot fun see flying together same contest Construction somewhat different models Ive found best way build Scale model duplicate con struction original closely pos Continued page 148 76 Model Aviation LANOSS SEAN STRUT REUS No cramped cockpit pilot totally vul nerable anything got past engine cabanes Stab goes right seat model Spin Ill chugs past Scene could eas ily Germany rather Boeing Field Seattle WA Model rock stable HEAVY DUTY 4-IN SANDER Adjustable table Miter guide $100 10 Sand discs $300 CASH $2795 Ship $ 350 q minm 764-1490 [CakQic / GOODIESI 13400-26 Saticoy Street3 North Hollywood Calif 91605 cQay_ SPECIAL 825I DELUXE SYSTEMI Flite wt 101 oz 4Ch lete metal Tx 4 Servos NicadsChgr Reg$27495 CASH $15995 Ship$ 650 U I 40-61 Engine Reg $17995 CASH $13995 ___________ U U I I I Pm4kh Lifetime Sanding Taols Grit brazed steel type 11/2 x 9 1g radius type 1 x 9 1g 3/4 radius Bath have coarse & fine grits SpecifyJ $2500 Reg $695 Reg $3995 CASH $495 $2597 MORE U $200 Foreign Add Calif Sales Tax CASH price shown Cards 5% higher sianr cnooiyara ivsoaei Span 46 049 061 engine 350 sqinches 2-3CH Radio Ship $400 have equipment needs help Helicopters Contact George mail 700 Fossil Drive gleside IL 60041 set up schedule Danny Floyd Ill see others Toledo See next month Dose Chesnev PO Box 16612 Greensboro NC 27406 Field Box/Edmonds Continued page 60 17Feetruhher feet hardware store 18 Transmitter padding. -in foam rubber Editors Note build Cus tom RC Sailplane Field Box recom mended follow good cabinet making practice custom Build drawers fit case cut parts fit holes Radio Technique/Myers Continued page 68 officers agents will guarantee fol lowing instructions given article will protect RC operator interference nor will accept responsibility damages incurred directly indirectly result using accompanying card instructed George M Myers 70 Froehlich Farm Rd Hicksvulle NY 1180 AIR CAPITAL MODELS Ready-ToFlyl[iF B 100 Less Radio Engine Span Ship GET ORGANIZED s set 4 sturdy lies ritat trees ever 4 years yOur tavyriC 8 1 magaZines 4 MAG FILES $495 Send $495 pies Si 00 posiage aird hrrd5ng 0GM INOUSThIES PO BOX 388-K DOVER NH 03820 Fokker Spin Ill/Haught Continued page 76 sible As result Spin III almost 90% aluminum tube 10% wood also means working new materials new ways builder should dis couraged Spin III builds quite fast few special tools would worthwhilea small tubing cutler very helpful set small metal files various shapes set small needle-nose pliers None tools required will help speed building process As materials few things look First large amount alu minum tubing may require going several hobby shops until get enought right sizes Try get 36-in lengths handier considerably cheaper 12-in lengths frequently found rear portion wing ribs formed bamboo strips strips can found imported goods shops form shish-ke-bob skewers right size have handy point end available can use 3/32 sq spruce sand round expensive item model pile 000 00 model railroad nuts bolts washers Spin III will expensive con ventional Scale model will stronger far realistic Thi stabilizer best place sDrt pieces spruce strip sanded round glued place joint wrapped thread realism extra strength rearward edges ribs notched wire trailing edge Epoxy-coat joints set aside cure rudders give chance try work ing aluminum tubing Take care crimp tube bending small sizes tubing may help slide strip solder tube before bending bend tube remove solder Start bend slowly working shape little time File ends tubing fit rudder spar tube join together cyanoacrylate CyA glue Add small amount epoxy joint added strength fuselage frame next item build Cut out sides stack together Drill holes through both sides together ensure proper alignment Add cross braces engine mount Fab ricate install cockpit controls seat Cut seat frames well cross slats plywood Cement frames place fuselage frames add slats No record seat belts being used found research shown plans detail assembly con trol system Fabricate parts before assembling try proper fit Glue control system together mount onto fuselage brackets bolts Now time add cockpit controls later will hard work amidst rigging wires control wires made black braided fishing line added after model flight trim med Cover rudders stabilizer next rudders covered traditional manneron both sides highly recommend fabric-textured Coverite easy work super strong Use acetone adhere rather heat Use acetone just would use dope will have no problems Cover rudders first get feel working acetone Coverite Cover rudders both side taking care fold excess over edges hide aluminum tube frame stabilizer little different Cut piece covering size stabilizer /in margin work Lay stabilizer top side down smooth surface Moisten sticky side Coverite acetone lay stabilizer Begin ning leading edge work way back pulling fabric taut smoothing out wrinkles will have wrap fabric around stabilizer spars go Take time use plenty acetone get job done right Keep room well-ventilated dont strike match Refer plan details covering wing finishing 148 Modes Aviation CUSTOM FOAM WINGS S CUSTOM SAILPLANE WINGS S SPRAY ADHESIVES FIBERGLASS FVSEL AGES HI STARTS BALSA d PLY WOOO SEND SOt d IOSASE FOR INFO ESS BOX 437 LEMONT PA 16851 writing advertisers mention read about Model Aviation trailing edge Let stabilizer dry good hour trim off excess fabric Covering top tough Lay acetone-dampened fabric onto stabilizer work out wrinkles Fold over glue excess edges After cc rnent has set go back brush acetone over top surface press top bottom urfaces together between spars ribs et aside dry [he landing gear key entire iircraft structural terms Study steps n plan making landing gear truts ends strut reinforced rom within inside tube sleeve orm four struts drill holes L5 accurately possible would good o make small jig ensure proper spacing holes four struts iot evenly spaced rigging will pull tructure out square will cause trim rOblems later Saw skids plywood stack kids drill holes both same ime would good idea make xtra set skids quite vulnerable o breakage rough landings Make up remaining landing gear parts cabane truts install per plans ast step landing gear cabanes [e rigging wires should taut equal tensioin prevent distortion rovide adequate strength Cut tube form rudder post races tail skid Drill hole through e stabilizer rudder post Epoxy tabilizer fuselage frame Block up form angle incidence shown Ian Sew joint heavy black thread dter has set assemble rudders rudder ost braces Align assembly care illy work board add brace iires brace wires important aake sure fit taut warp ae stabilizer wings next Study steps shown n plan carefully Begin making ribs unconventional art design wings built spar ss flat covered camber ilded ribs Finally spars ided rib-spar crossing sewn gether using heavy black thread Look er pictures carefully real Spin III ed U-bolts anchor ribs spars Iso note version original III both spars run under wing irface Bend aluminum tube wing joiners refully joined wings should ive 10 degrees sweepback 10 de ees dihedral per panel will note side view drawing w toothpicks used alignment pins aunt wing assembly landing gear uts Block up wing fuselage place Take time align two per wing incidence dihedral Clamp wing place drill pilot holes od pins insert pins will hold wings place securely will also give way case crash minimizing structural damage wing bracing wires can now made installed pairstop bot tom both wings way stresses can kept minimum eliminating un wanted warps setting up assembly rigging dont forget set up proper wing washin wires functional take time set up right Locate set spoked wheels fabri cate axle parts axle assembly designed shock-absorbing tail skid Study pictures plans closely see parts go now may wonder finger tips hurt need glasses Well youre half done point added engine nose weight went out fly Dont omit balancing step After short session fruitless hand glides nervously started engine launched Spin calm flew right off drawing board additional trim being required stood mouth agape watched lazily climb wide flat left-hand circles speedster powered por tion flight same glide direction different engine finally quit did breathing transition clean no stall just descent Spin III doesnt glide sinks glide angle around 20 degrees shock-absorbing gear necessary its survivalContinued page 1S2 June 1983 149 Spin Ill handles wind well com bination sweepback dihedral low center gravity makes very stable will caution however trimming flying vintage-type models watch amount power try fly Use little power possible get model climb slowly Excessive speed type aircraft causes radical flight patterns Ive using Cox 049 engine wood 8-4 propeller have good results engine will turn pro peller too fast Davis Diesel conversion used point very successfully havent tried before good idea keep flight log book Spin III recording fuel amounts flight times flight pattern weather condi tions will able closely predict future flights Fokkers rigging should inspected repaired regularly main tain proper trim strength vibration engine occasional snags sticks landing will tend loosen rig ging nuts bolts may allow model go out trim log book ATIENTION OPS Engines & Parts Available Racing Marine Use OPS 15 ter Midget OPS 45 Marine PLUS Custom TD 049/051 engine parts Complete inventory stock custom parts COX TD 049/051 engines complete information send SI P & G Metal Products 301 North Yale Drive Garland TX 75042 Gene Hempel12141 2725210 lafter 600 PM will tell everything should be fore flight Once trimmed flight can spend much time detailing Spin III wish dummy engine fuel tank can made wood tubing add lot realism would pilot detailing documentation resources listed plans worth looking Check library may unexpectedly turn up some thing would hope will try Spini III use inspiration build special model youve always wanted Its worth time put watch circle overhead FF Indoor/Tenny Continued page 77 Oops previous column told about Indoor Week June 12-19 1983 failed tell enter lets repeat some add Second United States Indoor Championships sponsored National Free Flight Society NFFS National Indoor Mode Airplane Shrank Ocean Spirit st Louis 34 WirgsP EngineS R/C RIC Scale ijt#11O $3195 \7Je offer 22 Flight Capable Designs Send 50$ Flyline Catalog DealerS & Distributors Welcomed psane 703 273 5553 FLYLiNE MODELS INC PO Box 2136 FairfaX virginia 22031 USA Society NIMAS will held first four days Indoor Week site atrium Northwood Institute West Baden tN Times scheduled practice flying Sunday June 12 followed IS AMA special events running through pm. June IS Beginning immediately thereafter Fourth Peanut World Grand Prix runs 24 hours Following Grand Prix will ENART annual NIMAS event runs until sometime Saturday June 18 1983 info about US Indoor Champs get entry blanks send SASE Tony Italiano 1655 Revere Dr BrookField WI 53005 Entry deadline avoid late entry fee June 1 198} postmark entry NIMAS ENART get entry blank info Dr John Martin 3327 Darwin St Miami FL 3333 entry proxyflown Peanuts Grand Prix Mike Arak 10900 SW 61 Court Miami FL 33156 details Kit-Plan Scale event contact Martin Varney 1020 N Wood Griffith IN 46319 Join up way compete tndoor Champs must member AMA already wouldnt reading either NFFS NIMAS Juniors Seniors ex cepted call yourself Free Flighter arent member N FFS cheat ing yourself other FFers Two reasons NFFS actively involved activi ties help perpetuate activity dues money helps insure will always able fly challenging kind miniature aircraft 2 iome NFFS rolls proof interest Free Flight necessity cer tain AMA deliberations affected relative number participants category FF CL RC etc cant count youre signed up hurts us lesser degree true NIMAS also join NFFS write Hal Woods 707 2nd St Davis CA 95616 info NIMASBud Tenny PO Box 545 Richardson TX 75080 NFFS Publications Part on-going service NFFS Free Flight buff impressive array plans other technical publications have gathered made available purchase obtain list whats available send SASE Fred Terzian 4858 Moorpark Ave San Jose CA 95129 cabin classes Before advent Manhattan Bostonian Cabin models AMA Cabin models extremely delicate have evolved models have flown over 31 minutes see photo Col Bob Randolph launching 31-mm model Juniors Seniors often fly paper-covered relatively heavy versions Nats competiton see photo 152 Model Aviation SOUTHERNS SORGHUM & FLEXALL THE STANDARDPLASTICIZER CO NTACTFOR ADHESIVEAC RY LI CS FORAND SHEETING/DOPES FOAM/ eew.I WINGS WILLEeg~ NOTSTOPS CRACKING ATTACKAND STYROFOAMCHIPPING CORES SEE YOUR DEALER OR DISTRIBUTOR DAVE BROWN PRODUCTS 4560 Layhigh Hamilton OH 45013 213 738-1576 ALL NEW CUSTOM SCNNEURLE COK 049 ENGINES Racing & Stunt versions special hard chrome & honing technology Also Complete inventory individual stock custom parts Cox TD 020 049 051 & 09 engInes Competition parts & accessories Combat Free Fit C/L & R/C Racing Speed Stunt & Team Race Exclusive distributor Nelson 15 engIne & parts detailed catalog send 50 cents Kustom Kraftsmanshlp Box 2699 Laguna Hills CA 92653 Telephone 714 830-5162
Edition: Model Aviation - 1983/06
Page Numbers: 72, 73, 74, 75, 76, 148, 149, 152
Consistent docu mentation early aircraft wasnt easy come author found out perseverance paid off Eventually able develop very authentic Free Flight Scale model /2A engines con struction very similar prototype David Haught WHETHER Fieseler Storch Fok ker Spin III everyone has special air plane reverently hangared back mind waiting day building board available time ready has always Fokker 72 Model Aviation model unique respect fuii surprising details Has fully shock-absorbing landing gear tail skid single-surface wing unusual airfoil full cockpit ventilationi Scale nuts bolts hold together funcational realism little details adds up Mrs Diane Plahn mother authors wife holds Spin can have better idea 0 Its size Model uses much aluminum tubing spruce bamboo tough build really Spin Ill Bits pieces Fokker Spin infor mation have collected since age 10 Ive carried tattered magazine pictures meager three-views ever since As building skills developed did interest building Spin ILL As dream machines wanted job best could meant would need good documentation something frustrate project years Beyond lack congruent scale data other obstacles began loom Simplicity ruggedness rule Scale models have success Northwest model like fragile Spin would faced possible collisions sagebrush canals flying sitenot too nice environment raise model covered wires came point obsession build over came practical considerations Obtaining documentation Spin III long series disappointments tattered photographs Air Progress December 1963/January 1964 presented formation enticing Several close up photographs replica 1936 Fokker Spin III Hollands Aeroplanorama ap peared issue no threeviews 1969 Kenneth Munsons book Pioneer Aircraft 1903 -1914 offered first scale drawing could find reflected photographs Holland replica Mun sons color view looked like orig inal Spin III fact drawing replica critical difference lack radiators inverted fourcylinder engine Lacking front view being replica decided look something little better John Taylors History siation featured page Anthony Fokker good pic ture Spin III excitement find fell disappointment looked closely picture pretty real life replica yet still element appeal clean museum re plica original Spin III worlds apart both visually structurally old picture Spin III brought out old rustic antique quality made favorite same time showed far off replica original research started anew After fruitless hours delving through aviation maga zines 1909-14 period became clear little Spin III found Recent books magazines turned out best sources shady history Fokker Spin III few authors agree An interesting tri RS NATURAL WOOO AND METAL PARTS FABRIC NATuRAL LHEN WITH FOKKER IN LARGE BLACK LETTERS ON BoTTOM OF WiNGS WITH I0 D*IEDRAL PER WIIG PANEL AND 10 SWEEP BACK ThE SPIN III REQUIRED NIETHER WINO WARPING OR AILERON CONTROLS CAMBERED STEEL TUBEBAJb900 RIB STEEL TI SPARS TYPICAL WING SECTION O1ODI DRAWN BY PjYlP -IIAUId EARLY 1912 VERSON WING SPAN 36ILENGTH 25-5MAXIMUM SPEED 56 MPH ENGINE 7ORP ARGUS REItRENCES AIR PROGRESS DEC-JA 64 PIOtEER AU1CRAFT I909-I4 K MUNSON AIR CLASSICS OR SP79 HISIORY OF IWIATION JWR TAYLOR FOKKER AECRAFT BJDERS 10 TIE WORLD TPOSTMA 9 June 1983 73 Moaels ot vintage aircran nave strange appeal Ifleir Traglie appearance belies strength Ten degrees sweepback dihedral stability Cu aurrtna,sr aLLUdE ucsg.u~ut 1 UI 111 original Spin Ill fact remains successful airplane its day Having rudder elevator controls easy fly TWIN FLYING DWGSVRLU TO RTCTOER W ALUM U 2-3/H LA TUPF 7AU KSLEs SROBB CONTROL .LBIN BE Ad LIE WEET FACATE OLBOIT ENMNE FROM BALSA CONTROL WFWUL BETINL@ NG AND WiNE 8-4 NEOS PRW COO 049 OaNBEi -R TUOTHPCK PIN HOLDS WINS IN PLACE -4 S 2 vV PLTWOOD SKIDS O COVER TOE N BOTTOM I/OSR4iW Ol/VIAWITH HEAVY BLACK ALIAJ STRIPALLIC TUBETIWEAD STAWLIZER LOt iT jul 4 CU I/8O2-I/D SPOKE WHEELS OOIBWIRC WINEIM TTPCAL ROAMS WINE FTWS DETAIL tV I/52AU1J RINTINS CLF 041 HEAD I/BB DIA4L& TO STAC TO CONTROL CAWAHIE STRUT SETAIL S I AU TIWINS IS ALERt ANT ALL SIZES A/IF OJTE OROJETERS 2 ROD STUFF ALL JOBITS AND LUCA-TITE AU BOLTS S ALL BOLTS 00K WOO IWIDEL RR SIZES 4 NATURAL WITE FAINRC TOXTIWED CO/TRITE USES ON OHIGNAL S FLYhbA WOGIT IS OZ K RUUINU WASSIN-LEFT WRO S/S BOTH HUOSESS- LOFT I/V ThRUST- 0-0 PLIQIT TRW LEFT-LOFT O HEFERENCES AN PROSHESS DEC-JAN 54 AR CLASSICS OH SbA IS PIONEER AJRCRKFT ROS-IW KENNETh MUNSON HOTORT OF ATIATON SWH TAYLOR ET AL CASOAIE STRUT 141 5000 RLETOER OUTLIjES S/SON ALIAC TUBE BERT 0 SHAPE BlAdDER POST /B N ALUM TUBK COVER BOTH ROES SEATV S/S/M3 FRAMES SIR 777 yR N ALUM TUBE LU URAS STRUTV IZIHESS win iii SHEET ST FOUTTEN ETC ND UPPER RUSOET BRACE READ HE simple aircraft dont have much work use Note wing joint landing gear wood toothpick shear pin dummy upright Argus engine almost engulfs venerable Cox 049 74 Model Aviation .undance bracing wires offer interesting contrast moat other aircraft No frills seat belt pilot After years research models planform closest original photographs far can document Note spars beneAth wing spiders nest wire somehow finds Its way com plex structural unitlightweight very strong part supports whole Study photographs carefully rigging FULL-SIZE PLANS AVAILABLE.SEE PAGE 164 Antique planes seem full contradictions giant stabilizer meager rudder seem odds theres modern flying rudder archaic warp contol stabNlzer .a thethe landing gear mn mountirw udIIS andwrge rnuuuzer ij-in aiuminum iue Draces Rn iniereaxing teature hment threads wing ribs sparthe bungee-attached tail skid giving unusual stance takeoff roll June 1983 75 1thiEMOT M ALUM TIP DRILL FOR 71320 ALIAA TL *263 DRILL ALL HOLES3/300ALUhE THOU NOTH RIlES 10TI 4660 MAIN FUSELAHE FRAME SETAt C I3/325 ALL HOLES HO IF 10O4OALLM ENE T DEiRA. 5 COAERITE IFF RIflEFOR RIMS S DETAIL J MAIN SF66 Y3t0NOTE SMRW SANA YRSMIASMA PORT ALA63 TUBELAPAUM TUNERI PLACES SEET 2 MT tMP4lAUe4i model guaranteed unique building experience often sew ribs spar after wing covered Fittings rigging simple strong functional Full surprising details FULL-SIZE PLANS AVAILABLE.SEE PAGE 164 hElM T1 F]/AAOV HIEWER RUG AS READ PR s PAOTCH ROTA KNOB LAY PA UPPER CONERIAS OVER ASS STICKY NOR DORIA GE BAY Al TRIE BRIJSA 13885K THUG COVER YE YE STICK TIE L&Y SUKETIER SEE TRiAL MUSK MIER ALOPAS PASS TO RAE CONIERITE RU BluE Q LAY COVERITS TRIM EXCESS PASFCH OVER PLANN..1515 OVER AND ALIE STICKY S OP ALIKE TP LAY DOWN RAS UADO COPPER RUE POSITERA PASTE RIBSL E AlAS TIC TO ME FTATPASYOSES AlAS ALoE RUG COHERBAS DE1S&t UPPER HISPASS LORER SlUR RUG RETAILIm I/A PlY CAMBER FOUG AFTER COVERIPAS BEND ALIKE RUSTS MATCH CAMBER FORIA AJUOL RETAIL Th SEW 51GM RU EACH RIB WITH FE AI THREAD 5--ALIHE SUM U TYPICAL RIB DETAIL S SCRAP RA 4 DPPAGS TVOIIIS * ST PARK FIR 3IXCALUAIBiER 12 RESt TUBE RAISATOR DETAIL SCRAP GALS ALNO STEP -TIMED LBALSA DIOSAY FREL LIRE DONUT FUEL TANK RETAIL tt spin SHEET U BY PPMPl4AU&44 TYPICAL STRUT ENS CONSTRUTIOPA 7-3/H SAR CAT "HOT STUFF STEP ONE OPEN H FLAIJEN STEP TAO L7-U/IA STEP THREE OUL I/R RULES RUDDER BAR DETAIL 0 ,FLAIFEPA END RULE COLLIS CAP TROL MT 6 DI REQ D Dl/SsALIs& 3 y HSIRAS BRACRET U H REST L------ 6-7/H I/16RTALSISO STRUT 2)3/320 HOLEIII HEaTHOLE HOLE TII5IRULS~ N KL OHIL IAKA FLATTEN N USAS II REST 3/328 hEAR OPEN SLOT I/B COIWS BASE ER BAND AT 2 I/H0 CLAMP FITTINOG IA REUD LANDING SEAR SPREAUCH U REST angle names contributed something final design Fokker Lt Von Daum Mr Goedecker some com bination Fokker Spin III conceived designed built Being two-control airplane inherently stable Spin III popular trainer photograph early flying school showed over 15 Spins field Since built large quan tities can guess chances being exactly same quite slim Just version Spin build became decision make Ive found photographs six different Spin Ills described original frus tration almost cancelled project Air Classics Spring 1979 Quarterly crossed desk Eldon Quicks article brought wealth information light Several photographs series neat scale drawings first looked like what wanted points presentation super also problems version Spin III shown pic tures decided last straw after piling data Spin III heap sifting hour came up few con sistencies would work together key heading picture Quicks article artists rendering Spin III its glory original Spin III two items pulled loose ends together therethe long sta bilizer twin forward cabanes upright fourcylinder engine side-mounted radiators After years frustration mula pieced together plans drawn week feel true representation Spin III research far can produce Spin Ill built various sizes experiment force layout design built Peanut Scale size 26-in-span CO-2 size finally what see three versions quite suc cessful design cannot help stable 10 degrees dihedral 10 degrees sweepback fellow modeler friend have building Scale models same vintage scale compete against other year Greg Davis built series Etrich Taubes built series Fokker Spins lot fun see flying together same contest Construction somewhat different models Ive found best way build Scale model duplicate con struction original closely pos Continued page 148 76 Model Aviation LANOSS SEAN STRUT REUS No cramped cockpit pilot totally vul nerable anything got past engine cabanes Stab goes right seat model Spin Ill chugs past Scene could eas ily Germany rather Boeing Field Seattle WA Model rock stable HEAVY DUTY 4-IN SANDER Adjustable table Miter guide $100 10 Sand discs $300 CASH $2795 Ship $ 350 q minm 764-1490 [CakQic / GOODIESI 13400-26 Saticoy Street3 North Hollywood Calif 91605 cQay_ SPECIAL 825I DELUXE SYSTEMI Flite wt 101 oz 4Ch lete metal Tx 4 Servos NicadsChgr Reg$27495 CASH $15995 Ship$ 650 U I 40-61 Engine Reg $17995 CASH $13995 ___________ U U I I I Pm4kh Lifetime Sanding Taols Grit brazed steel type 11/2 x 9 1g radius type 1 x 9 1g 3/4 radius Bath have coarse & fine grits SpecifyJ $2500 Reg $695 Reg $3995 CASH $495 $2597 MORE U $200 Foreign Add Calif Sales Tax CASH price shown Cards 5% higher sianr cnooiyara ivsoaei Span 46 049 061 engine 350 sqinches 2-3CH Radio Ship $400 have equipment needs help Helicopters Contact George mail 700 Fossil Drive gleside IL 60041 set up schedule Danny Floyd Ill see others Toledo See next month Dose Chesnev PO Box 16612 Greensboro NC 27406 Field Box/Edmonds Continued page 60 17Feetruhher feet hardware store 18 Transmitter padding. -in foam rubber Editors Note build Cus tom RC Sailplane Field Box recom mended follow good cabinet making practice custom Build drawers fit case cut parts fit holes Radio Technique/Myers Continued page 68 officers agents will guarantee fol lowing instructions given article will protect RC operator interference nor will accept responsibility damages incurred directly indirectly result using accompanying card instructed George M Myers 70 Froehlich Farm Rd Hicksvulle NY 1180 AIR CAPITAL MODELS Ready-ToFlyl[iF B 100 Less Radio Engine Span Ship GET ORGANIZED s set 4 sturdy lies ritat trees ever 4 years yOur tavyriC 8 1 magaZines 4 MAG FILES $495 Send $495 pies Si 00 posiage aird hrrd5ng 0GM INOUSThIES PO BOX 388-K DOVER NH 03820 Fokker Spin Ill/Haught Continued page 76 sible As result Spin III almost 90% aluminum tube 10% wood also means working new materials new ways builder should dis couraged Spin III builds quite fast few special tools would worthwhilea small tubing cutler very helpful set small metal files various shapes set small needle-nose pliers None tools required will help speed building process As materials few things look First large amount alu minum tubing may require going several hobby shops until get enought right sizes Try get 36-in lengths handier considerably cheaper 12-in lengths frequently found rear portion wing ribs formed bamboo strips strips can found imported goods shops form shish-ke-bob skewers right size have handy point end available can use 3/32 sq spruce sand round expensive item model pile 000 00 model railroad nuts bolts washers Spin III will expensive con ventional Scale model will stronger far realistic Thi stabilizer best place sDrt pieces spruce strip sanded round glued place joint wrapped thread realism extra strength rearward edges ribs notched wire trailing edge Epoxy-coat joints set aside cure rudders give chance try work ing aluminum tubing Take care crimp tube bending small sizes tubing may help slide strip solder tube before bending bend tube remove solder Start bend slowly working shape little time File ends tubing fit rudder spar tube join together cyanoacrylate CyA glue Add small amount epoxy joint added strength fuselage frame next item build Cut out sides stack together Drill holes through both sides together ensure proper alignment Add cross braces engine mount Fab ricate install cockpit controls seat Cut seat frames well cross slats plywood Cement frames place fuselage frames add slats No record seat belts being used found research shown plans detail assembly con trol system Fabricate parts before assembling try proper fit Glue control system together mount onto fuselage brackets bolts Now time add cockpit controls later will hard work amidst rigging wires control wires made black braided fishing line added after model flight trim med Cover rudders stabilizer next rudders covered traditional manneron both sides highly recommend fabric-textured Coverite easy work super strong Use acetone adhere rather heat Use acetone just would use dope will have no problems Cover rudders first get feel working acetone Coverite Cover rudders both side taking care fold excess over edges hide aluminum tube frame stabilizer little different Cut piece covering size stabilizer /in margin work Lay stabilizer top side down smooth surface Moisten sticky side Coverite acetone lay stabilizer Begin ning leading edge work way back pulling fabric taut smoothing out wrinkles will have wrap fabric around stabilizer spars go Take time use plenty acetone get job done right Keep room well-ventilated dont strike match Refer plan details covering wing finishing 148 Modes Aviation CUSTOM FOAM WINGS S CUSTOM SAILPLANE WINGS S SPRAY ADHESIVES FIBERGLASS FVSEL AGES HI STARTS BALSA d PLY WOOO SEND SOt d IOSASE FOR INFO ESS BOX 437 LEMONT PA 16851 writing advertisers mention read about Model Aviation trailing edge Let stabilizer dry good hour trim off excess fabric Covering top tough Lay acetone-dampened fabric onto stabilizer work out wrinkles Fold over glue excess edges After cc rnent has set go back brush acetone over top surface press top bottom urfaces together between spars ribs et aside dry [he landing gear key entire iircraft structural terms Study steps n plan making landing gear truts ends strut reinforced rom within inside tube sleeve orm four struts drill holes L5 accurately possible would good o make small jig ensure proper spacing holes four struts iot evenly spaced rigging will pull tructure out square will cause trim rOblems later Saw skids plywood stack kids drill holes both same ime would good idea make xtra set skids quite vulnerable o breakage rough landings Make up remaining landing gear parts cabane truts install per plans ast step landing gear cabanes [e rigging wires should taut equal tensioin prevent distortion rovide adequate strength Cut tube form rudder post races tail skid Drill hole through e stabilizer rudder post Epoxy tabilizer fuselage frame Block up form angle incidence shown Ian Sew joint heavy black thread dter has set assemble rudders rudder ost braces Align assembly care illy work board add brace iires brace wires important aake sure fit taut warp ae stabilizer wings next Study steps shown n plan carefully Begin making ribs unconventional art design wings built spar ss flat covered camber ilded ribs Finally spars ided rib-spar crossing sewn gether using heavy black thread Look er pictures carefully real Spin III ed U-bolts anchor ribs spars Iso note version original III both spars run under wing irface Bend aluminum tube wing joiners refully joined wings should ive 10 degrees sweepback 10 de ees dihedral per panel will note side view drawing w toothpicks used alignment pins aunt wing assembly landing gear uts Block up wing fuselage place Take time align two per wing incidence dihedral Clamp wing place drill pilot holes od pins insert pins will hold wings place securely will also give way case crash minimizing structural damage wing bracing wires can now made installed pairstop bot tom both wings way stresses can kept minimum eliminating un wanted warps setting up assembly rigging dont forget set up proper wing washin wires functional take time set up right Locate set spoked wheels fabri cate axle parts axle assembly designed shock-absorbing tail skid Study pictures plans closely see parts go now may wonder finger tips hurt need glasses Well youre half done point added engine nose weight went out fly Dont omit balancing step After short session fruitless hand glides nervously started engine launched Spin calm flew right off drawing board additional trim being required stood mouth agape watched lazily climb wide flat left-hand circles speedster powered por tion flight same glide direction different engine finally quit did breathing transition clean no stall just descent Spin III doesnt glide sinks glide angle around 20 degrees shock-absorbing gear necessary its survivalContinued page 1S2 June 1983 149 Spin Ill handles wind well com bination sweepback dihedral low center gravity makes very stable will caution however trimming flying vintage-type models watch amount power try fly Use little power possible get model climb slowly Excessive speed type aircraft causes radical flight patterns Ive using Cox 049 engine wood 8-4 propeller have good results engine will turn pro peller too fast Davis Diesel conversion used point very successfully havent tried before good idea keep flight log book Spin III recording fuel amounts flight times flight pattern weather condi tions will able closely predict future flights Fokkers rigging should inspected repaired regularly main tain proper trim strength vibration engine occasional snags sticks landing will tend loosen rig ging nuts bolts may allow model go out trim log book ATIENTION OPS Engines & Parts Available Racing Marine Use OPS 15 ter Midget OPS 45 Marine PLUS Custom TD 049/051 engine parts Complete inventory stock custom parts COX TD 049/051 engines complete information send SI P & G Metal Products 301 North Yale Drive Garland TX 75042 Gene Hempel12141 2725210 lafter 600 PM will tell everything should be fore flight Once trimmed flight can spend much time detailing Spin III wish dummy engine fuel tank can made wood tubing add lot realism would pilot detailing documentation resources listed plans worth looking Check library may unexpectedly turn up some thing would hope will try Spini III use inspiration build special model youve always wanted Its worth time put watch circle overhead FF Indoor/Tenny Continued page 77 Oops previous column told about Indoor Week June 12-19 1983 failed tell enter lets repeat some add Second United States Indoor Championships sponsored National Free Flight Society NFFS National Indoor Mode Airplane Shrank Ocean Spirit st Louis 34 WirgsP EngineS R/C RIC Scale ijt#11O $3195 \7Je offer 22 Flight Capable Designs Send 50$ Flyline Catalog DealerS & Distributors Welcomed psane 703 273 5553 FLYLiNE MODELS INC PO Box 2136 FairfaX virginia 22031 USA Society NIMAS will held first four days Indoor Week site atrium Northwood Institute West Baden tN Times scheduled practice flying Sunday June 12 followed IS AMA special events running through pm. June IS Beginning immediately thereafter Fourth Peanut World Grand Prix runs 24 hours Following Grand Prix will ENART annual NIMAS event runs until sometime Saturday June 18 1983 info about US Indoor Champs get entry blanks send SASE Tony Italiano 1655 Revere Dr BrookField WI 53005 Entry deadline avoid late entry fee June 1 198} postmark entry NIMAS ENART get entry blank info Dr John Martin 3327 Darwin St Miami FL 3333 entry proxyflown Peanuts Grand Prix Mike Arak 10900 SW 61 Court Miami FL 33156 details Kit-Plan Scale event contact Martin Varney 1020 N Wood Griffith IN 46319 Join up way compete tndoor Champs must member AMA already wouldnt reading either NFFS NIMAS Juniors Seniors ex cepted call yourself Free Flighter arent member N FFS cheat ing yourself other FFers Two reasons NFFS actively involved activi ties help perpetuate activity dues money helps insure will always able fly challenging kind miniature aircraft 2 iome NFFS rolls proof interest Free Flight necessity cer tain AMA deliberations affected relative number participants category FF CL RC etc cant count youre signed up hurts us lesser degree true NIMAS also join NFFS write Hal Woods 707 2nd St Davis CA 95616 info NIMASBud Tenny PO Box 545 Richardson TX 75080 NFFS Publications Part on-going service NFFS Free Flight buff impressive array plans other technical publications have gathered made available purchase obtain list whats available send SASE Fred Terzian 4858 Moorpark Ave San Jose CA 95129 cabin classes Before advent Manhattan Bostonian Cabin models AMA Cabin models extremely delicate have evolved models have flown over 31 minutes see photo Col Bob Randolph launching 31-mm model Juniors Seniors often fly paper-covered relatively heavy versions Nats competiton see photo 152 Model Aviation SOUTHERNS SORGHUM & FLEXALL THE STANDARDPLASTICIZER CO NTACTFOR ADHESIVEAC RY LI CS FORAND SHEETING/DOPES FOAM/ eew.I WINGS WILLEeg~ NOTSTOPS CRACKING ATTACKAND STYROFOAMCHIPPING CORES SEE YOUR DEALER OR DISTRIBUTOR DAVE BROWN PRODUCTS 4560 Layhigh Hamilton OH 45013 213 738-1576 ALL NEW CUSTOM SCNNEURLE COK 049 ENGINES Racing & Stunt versions special hard chrome & honing technology Also Complete inventory individual stock custom parts Cox TD 020 049 051 & 09 engInes Competition parts & accessories Combat Free Fit C/L & R/C Racing Speed Stunt & Team Race Exclusive distributor Nelson 15 engIne & parts detailed catalog send 50 cents Kustom Kraftsmanshlp Box 2699 Laguna Hills CA 92653 Telephone 714 830-5162
Edition: Model Aviation - 1983/06
Page Numbers: 72, 73, 74, 75, 76, 148, 149, 152
Consistent docu mentation early aircraft wasnt easy come author found out perseverance paid off Eventually able develop very authentic Free Flight Scale model /2A engines con struction very similar prototype David Haught WHETHER Fieseler Storch Fok ker Spin III everyone has special air plane reverently hangared back mind waiting day building board available time ready has always Fokker 72 Model Aviation model unique respect fuii surprising details Has fully shock-absorbing landing gear tail skid single-surface wing unusual airfoil full cockpit ventilationi Scale nuts bolts hold together funcational realism little details adds up Mrs Diane Plahn mother authors wife holds Spin can have better idea 0 Its size Model uses much aluminum tubing spruce bamboo tough build really Spin Ill Bits pieces Fokker Spin infor mation have collected since age 10 Ive carried tattered magazine pictures meager three-views ever since As building skills developed did interest building Spin ILL As dream machines wanted job best could meant would need good documentation something frustrate project years Beyond lack congruent scale data other obstacles began loom Simplicity ruggedness rule Scale models have success Northwest model like fragile Spin would faced possible collisions sagebrush canals flying sitenot too nice environment raise model covered wires came point obsession build over came practical considerations Obtaining documentation Spin III long series disappointments tattered photographs Air Progress December 1963/January 1964 presented formation enticing Several close up photographs replica 1936 Fokker Spin III Hollands Aeroplanorama ap peared issue no threeviews 1969 Kenneth Munsons book Pioneer Aircraft 1903 -1914 offered first scale drawing could find reflected photographs Holland replica Mun sons color view looked like orig inal Spin III fact drawing replica critical difference lack radiators inverted fourcylinder engine Lacking front view being replica decided look something little better John Taylors History siation featured page Anthony Fokker good pic ture Spin III excitement find fell disappointment looked closely picture pretty real life replica yet still element appeal clean museum re plica original Spin III worlds apart both visually structurally old picture Spin III brought out old rustic antique quality made favorite same time showed far off replica original research started anew After fruitless hours delving through aviation maga zines 1909-14 period became clear little Spin III found Recent books magazines turned out best sources shady history Fokker Spin III few authors agree An interesting tri RS NATURAL WOOO AND METAL PARTS FABRIC NATuRAL LHEN WITH FOKKER IN LARGE BLACK LETTERS ON BoTTOM OF WiNGS WITH I0 D*IEDRAL PER WIIG PANEL AND 10 SWEEP BACK ThE SPIN III REQUIRED NIETHER WINO WARPING OR AILERON CONTROLS CAMBERED STEEL TUBEBAJb900 RIB STEEL TI SPARS TYPICAL WING SECTION O1ODI DRAWN BY PjYlP -IIAUId EARLY 1912 VERSON WING SPAN 36ILENGTH 25-5MAXIMUM SPEED 56 MPH ENGINE 7ORP ARGUS REItRENCES AIR PROGRESS DEC-JA 64 PIOtEER AU1CRAFT I909-I4 K MUNSON AIR CLASSICS OR SP79 HISIORY OF IWIATION JWR TAYLOR FOKKER AECRAFT BJDERS 10 TIE WORLD TPOSTMA 9 June 1983 73 Moaels ot vintage aircran nave strange appeal Ifleir Traglie appearance belies strength Ten degrees sweepback dihedral stability Cu aurrtna,sr aLLUdE ucsg.u~ut 1 UI 111 original Spin Ill fact remains successful airplane its day Having rudder elevator controls easy fly TWIN FLYING DWGSVRLU TO RTCTOER W ALUM U 2-3/H LA TUPF 7AU KSLEs SROBB CONTROL .LBIN BE Ad LIE WEET FACATE OLBOIT ENMNE FROM BALSA CONTROL WFWUL BETINL@ NG AND WiNE 8-4 NEOS PRW COO 049 OaNBEi -R TUOTHPCK PIN HOLDS WINS IN PLACE -4 S 2 vV PLTWOOD SKIDS O COVER TOE N BOTTOM I/OSR4iW Ol/VIAWITH HEAVY BLACK ALIAJ STRIPALLIC TUBETIWEAD STAWLIZER LOt iT jul 4 CU I/8O2-I/D SPOKE WHEELS OOIBWIRC WINEIM TTPCAL ROAMS WINE FTWS DETAIL tV I/52AU1J RINTINS CLF 041 HEAD I/BB DIA4L& TO STAC TO CONTROL CAWAHIE STRUT SETAIL S I AU TIWINS IS ALERt ANT ALL SIZES A/IF OJTE OROJETERS 2 ROD STUFF ALL JOBITS AND LUCA-TITE AU BOLTS S ALL BOLTS 00K WOO IWIDEL RR SIZES 4 NATURAL WITE FAINRC TOXTIWED CO/TRITE USES ON OHIGNAL S FLYhbA WOGIT IS OZ K RUUINU WASSIN-LEFT WRO S/S BOTH HUOSESS- LOFT I/V ThRUST- 0-0 PLIQIT TRW LEFT-LOFT O HEFERENCES AN PROSHESS DEC-JAN 54 AR CLASSICS OH SbA IS PIONEER AJRCRKFT ROS-IW KENNETh MUNSON HOTORT OF ATIATON SWH TAYLOR ET AL CASOAIE STRUT 141 5000 RLETOER OUTLIjES S/SON ALIAC TUBE BERT 0 SHAPE BlAdDER POST /B N ALUM TUBK COVER BOTH ROES SEATV S/S/M3 FRAMES SIR 777 yR N ALUM TUBE LU URAS STRUTV IZIHESS win iii SHEET ST FOUTTEN ETC ND UPPER RUSOET BRACE READ HE simple aircraft dont have much work use Note wing joint landing gear wood toothpick shear pin dummy upright Argus engine almost engulfs venerable Cox 049 74 Model Aviation .undance bracing wires offer interesting contrast moat other aircraft No frills seat belt pilot After years research models planform closest original photographs far can document Note spars beneAth wing spiders nest wire somehow finds Its way com plex structural unitlightweight very strong part supports whole Study photographs carefully rigging FULL-SIZE PLANS AVAILABLE.SEE PAGE 164 Antique planes seem full contradictions giant stabilizer meager rudder seem odds theres modern flying rudder archaic warp contol stabNlzer .a thethe landing gear mn mountirw udIIS andwrge rnuuuzer ij-in aiuminum iue Draces Rn iniereaxing teature hment threads wing ribs sparthe bungee-attached tail skid giving unusual stance takeoff roll June 1983 75 1thiEMOT M ALUM TIP DRILL FOR 71320 ALIAA TL *263 DRILL ALL HOLES3/300ALUhE THOU NOTH RIlES 10TI 4660 MAIN FUSELAHE FRAME SETAt C I3/325 ALL HOLES HO IF 10O4OALLM ENE T DEiRA. 5 COAERITE IFF RIflEFOR RIMS S DETAIL J MAIN SF66 Y3t0NOTE SMRW SANA YRSMIASMA PORT ALA63 TUBELAPAUM TUNERI PLACES SEET 2 MT tMP4lAUe4i model guaranteed unique building experience often sew ribs spar after wing covered Fittings rigging simple strong functional Full surprising details FULL-SIZE PLANS AVAILABLE.SEE PAGE 164 hElM T1 F]/AAOV HIEWER RUG AS READ PR s PAOTCH ROTA KNOB LAY PA UPPER CONERIAS OVER ASS STICKY NOR DORIA GE BAY Al TRIE BRIJSA 13885K THUG COVER YE YE STICK TIE L&Y SUKETIER SEE TRiAL MUSK MIER ALOPAS PASS TO RAE CONIERITE RU BluE Q LAY COVERITS TRIM EXCESS PASFCH OVER PLANN..1515 OVER AND ALIE STICKY S OP ALIKE TP LAY DOWN RAS UADO COPPER RUE POSITERA PASTE RIBSL E AlAS TIC TO ME FTATPASYOSES AlAS ALoE RUG COHERBAS DE1S&t UPPER HISPASS LORER SlUR RUG RETAILIm I/A PlY CAMBER FOUG AFTER COVERIPAS BEND ALIKE RUSTS MATCH CAMBER FORIA AJUOL RETAIL Th SEW 51GM RU EACH RIB WITH FE AI THREAD 5--ALIHE SUM U TYPICAL RIB DETAIL S SCRAP RA 4 DPPAGS TVOIIIS * ST PARK FIR 3IXCALUAIBiER 12 RESt TUBE RAISATOR DETAIL SCRAP GALS ALNO STEP -TIMED LBALSA DIOSAY FREL LIRE DONUT FUEL TANK RETAIL tt spin SHEET U BY PPMPl4AU&44 TYPICAL STRUT ENS CONSTRUTIOPA 7-3/H SAR CAT "HOT STUFF STEP ONE OPEN H FLAIJEN STEP TAO L7-U/IA STEP THREE OUL I/R RULES RUDDER BAR DETAIL 0 ,FLAIFEPA END RULE COLLIS CAP TROL MT 6 DI REQ D Dl/SsALIs& 3 y HSIRAS BRACRET U H REST L------ 6-7/H I/16RTALSISO STRUT 2)3/320 HOLEIII HEaTHOLE HOLE TII5IRULS~ N KL OHIL IAKA FLATTEN N USAS II REST 3/328 hEAR OPEN SLOT I/B COIWS BASE ER BAND AT 2 I/H0 CLAMP FITTINOG IA REUD LANDING SEAR SPREAUCH U REST angle names contributed something final design Fokker Lt Von Daum Mr Goedecker some com bination Fokker Spin III conceived designed built Being two-control airplane inherently stable Spin III popular trainer photograph early flying school showed over 15 Spins field Since built large quan tities can guess chances being exactly same quite slim Just version Spin build became decision make Ive found photographs six different Spin Ills described original frus tration almost cancelled project Air Classics Spring 1979 Quarterly crossed desk Eldon Quicks article brought wealth information light Several photographs series neat scale drawings first looked like what wanted points presentation super also problems version Spin III shown pic tures decided last straw after piling data Spin III heap sifting hour came up few con sistencies would work together key heading picture Quicks article artists rendering Spin III its glory original Spin III two items pulled loose ends together therethe long sta bilizer twin forward cabanes upright fourcylinder engine side-mounted radiators After years frustration mula pieced together plans drawn week feel true representation Spin III research far can produce Spin Ill built various sizes experiment force layout design built Peanut Scale size 26-in-span CO-2 size finally what see three versions quite suc cessful design cannot help stable 10 degrees dihedral 10 degrees sweepback fellow modeler friend have building Scale models same vintage scale compete against other year Greg Davis built series Etrich Taubes built series Fokker Spins lot fun see flying together same contest Construction somewhat different models Ive found best way build Scale model duplicate con struction original closely pos Continued page 148 76 Model Aviation LANOSS SEAN STRUT REUS No cramped cockpit pilot totally vul nerable anything got past engine cabanes Stab goes right seat model Spin Ill chugs past Scene could eas ily Germany rather Boeing Field Seattle WA Model rock stable HEAVY DUTY 4-IN SANDER Adjustable table Miter guide $100 10 Sand discs $300 CASH $2795 Ship $ 350 q minm 764-1490 [CakQic / GOODIESI 13400-26 Saticoy Street3 North Hollywood Calif 91605 cQay_ SPECIAL 825I DELUXE SYSTEMI Flite wt 101 oz 4Ch lete metal Tx 4 Servos NicadsChgr Reg$27495 CASH $15995 Ship$ 650 U I 40-61 Engine Reg $17995 CASH $13995 ___________ U U I I I Pm4kh Lifetime Sanding Taols Grit brazed steel type 11/2 x 9 1g radius type 1 x 9 1g 3/4 radius Bath have coarse & fine grits SpecifyJ $2500 Reg $695 Reg $3995 CASH $495 $2597 MORE U $200 Foreign Add Calif Sales Tax CASH price shown Cards 5% higher sianr cnooiyara ivsoaei Span 46 049 061 engine 350 sqinches 2-3CH Radio Ship $400 have equipment needs help Helicopters Contact George mail 700 Fossil Drive gleside IL 60041 set up schedule Danny Floyd Ill see others Toledo See next month Dose Chesnev PO Box 16612 Greensboro NC 27406 Field Box/Edmonds Continued page 60 17Feetruhher feet hardware store 18 Transmitter padding. -in foam rubber Editors Note build Cus tom RC Sailplane Field Box recom mended follow good cabinet making practice custom Build drawers fit case cut parts fit holes Radio Technique/Myers Continued page 68 officers agents will guarantee fol lowing instructions given article will protect RC operator interference nor will accept responsibility damages incurred directly indirectly result using accompanying card instructed George M Myers 70 Froehlich Farm Rd Hicksvulle NY 1180 AIR CAPITAL MODELS Ready-ToFlyl[iF B 100 Less Radio Engine Span Ship GET ORGANIZED s set 4 sturdy lies ritat trees ever 4 years yOur tavyriC 8 1 magaZines 4 MAG FILES $495 Send $495 pies Si 00 posiage aird hrrd5ng 0GM INOUSThIES PO BOX 388-K DOVER NH 03820 Fokker Spin Ill/Haught Continued page 76 sible As result Spin III almost 90% aluminum tube 10% wood also means working new materials new ways builder should dis couraged Spin III builds quite fast few special tools would worthwhilea small tubing cutler very helpful set small metal files various shapes set small needle-nose pliers None tools required will help speed building process As materials few things look First large amount alu minum tubing may require going several hobby shops until get enought right sizes Try get 36-in lengths handier considerably cheaper 12-in lengths frequently found rear portion wing ribs formed bamboo strips strips can found imported goods shops form shish-ke-bob skewers right size have handy point end available can use 3/32 sq spruce sand round expensive item model pile 000 00 model railroad nuts bolts washers Spin III will expensive con ventional Scale model will stronger far realistic Thi stabilizer best place sDrt pieces spruce strip sanded round glued place joint wrapped thread realism extra strength rearward edges ribs notched wire trailing edge Epoxy-coat joints set aside cure rudders give chance try work ing aluminum tubing Take care crimp tube bending small sizes tubing may help slide strip solder tube before bending bend tube remove solder Start bend slowly working shape little time File ends tubing fit rudder spar tube join together cyanoacrylate CyA glue Add small amount epoxy joint added strength fuselage frame next item build Cut out sides stack together Drill holes through both sides together ensure proper alignment Add cross braces engine mount Fab ricate install cockpit controls seat Cut seat frames well cross slats plywood Cement frames place fuselage frames add slats No record seat belts being used found research shown plans detail assembly con trol system Fabricate parts before assembling try proper fit Glue control system together mount onto fuselage brackets bolts Now time add cockpit controls later will hard work amidst rigging wires control wires made black braided fishing line added after model flight trim med Cover rudders stabilizer next rudders covered traditional manneron both sides highly recommend fabric-textured Coverite easy work super strong Use acetone adhere rather heat Use acetone just would use dope will have no problems Cover rudders first get feel working acetone Coverite Cover rudders both side taking care fold excess over edges hide aluminum tube frame stabilizer little different Cut piece covering size stabilizer /in margin work Lay stabilizer top side down smooth surface Moisten sticky side Coverite acetone lay stabilizer Begin ning leading edge work way back pulling fabric taut smoothing out wrinkles will have wrap fabric around stabilizer spars go Take time use plenty acetone get job done right Keep room well-ventilated dont strike match Refer plan details covering wing finishing 148 Modes Aviation CUSTOM FOAM WINGS S CUSTOM SAILPLANE WINGS S SPRAY ADHESIVES FIBERGLASS FVSEL AGES HI STARTS BALSA d PLY WOOO SEND SOt d IOSASE FOR INFO ESS BOX 437 LEMONT PA 16851 writing advertisers mention read about Model Aviation trailing edge Let stabilizer dry good hour trim off excess fabric Covering top tough Lay acetone-dampened fabric onto stabilizer work out wrinkles Fold over glue excess edges After cc rnent has set go back brush acetone over top surface press top bottom urfaces together between spars ribs et aside dry [he landing gear key entire iircraft structural terms Study steps n plan making landing gear truts ends strut reinforced rom within inside tube sleeve orm four struts drill holes L5 accurately possible would good o make small jig ensure proper spacing holes four struts iot evenly spaced rigging will pull tructure out square will cause trim rOblems later Saw skids plywood stack kids drill holes both same ime would good idea make xtra set skids quite vulnerable o breakage rough landings Make up remaining landing gear parts cabane truts install per plans ast step landing gear cabanes [e rigging wires should taut equal tensioin prevent distortion rovide adequate strength Cut tube form rudder post races tail skid Drill hole through e stabilizer rudder post Epoxy tabilizer fuselage frame Block up form angle incidence shown Ian Sew joint heavy black thread dter has set assemble rudders rudder ost braces Align assembly care illy work board add brace iires brace wires important aake sure fit taut warp ae stabilizer wings next Study steps shown n plan carefully Begin making ribs unconventional art design wings built spar ss flat covered camber ilded ribs Finally spars ided rib-spar crossing sewn gether using heavy black thread Look er pictures carefully real Spin III ed U-bolts anchor ribs spars Iso note version original III both spars run under wing irface Bend aluminum tube wing joiners refully joined wings should ive 10 degrees sweepback 10 de ees dihedral per panel will note side view drawing w toothpicks used alignment pins aunt wing assembly landing gear uts Block up wing fuselage place Take time align two per wing incidence dihedral Clamp wing place drill pilot holes od pins insert pins will hold wings place securely will also give way case crash minimizing structural damage wing bracing wires can now made installed pairstop bot tom both wings way stresses can kept minimum eliminating un wanted warps setting up assembly rigging dont forget set up proper wing washin wires functional take time set up right Locate set spoked wheels fabri cate axle parts axle assembly designed shock-absorbing tail skid Study pictures plans closely see parts go now may wonder finger tips hurt need glasses Well youre half done point added engine nose weight went out fly Dont omit balancing step After short session fruitless hand glides nervously started engine launched Spin calm flew right off drawing board additional trim being required stood mouth agape watched lazily climb wide flat left-hand circles speedster powered por tion flight same glide direction different engine finally quit did breathing transition clean no stall just descent Spin III doesnt glide sinks glide angle around 20 degrees shock-absorbing gear necessary its survivalContinued page 1S2 June 1983 149 Spin Ill handles wind well com bination sweepback dihedral low center gravity makes very stable will caution however trimming flying vintage-type models watch amount power try fly Use little power possible get model climb slowly Excessive speed type aircraft causes radical flight patterns Ive using Cox 049 engine wood 8-4 propeller have good results engine will turn pro peller too fast Davis Diesel conversion used point very successfully havent tried before good idea keep flight log book Spin III recording fuel amounts flight times flight pattern weather condi tions will able closely predict future flights Fokkers rigging should inspected repaired regularly main tain proper trim strength vibration engine occasional snags sticks landing will tend loosen rig ging nuts bolts may allow model go out trim log book ATIENTION OPS Engines & Parts Available Racing Marine Use OPS 15 ter Midget OPS 45 Marine PLUS Custom TD 049/051 engine parts Complete inventory stock custom parts COX TD 049/051 engines complete information send SI P & G Metal Products 301 North Yale Drive Garland TX 75042 Gene Hempel12141 2725210 lafter 600 PM will tell everything should be fore flight Once trimmed flight can spend much time detailing Spin III wish dummy engine fuel tank can made wood tubing add lot realism would pilot detailing documentation resources listed plans worth looking Check library may unexpectedly turn up some thing would hope will try Spini III use inspiration build special model youve always wanted Its worth time put watch circle overhead FF Indoor/Tenny Continued page 77 Oops previous column told about Indoor Week June 12-19 1983 failed tell enter lets repeat some add Second United States Indoor Championships sponsored National Free Flight Society NFFS National Indoor Mode Airplane Shrank Ocean Spirit st Louis 34 WirgsP EngineS R/C RIC Scale ijt#11O $3195 \7Je offer 22 Flight Capable Designs Send 50$ Flyline Catalog DealerS & Distributors Welcomed psane 703 273 5553 FLYLiNE MODELS INC PO Box 2136 FairfaX virginia 22031 USA Society NIMAS will held first four days Indoor Week site atrium Northwood Institute West Baden tN Times scheduled practice flying Sunday June 12 followed IS AMA special events running through pm. June IS Beginning immediately thereafter Fourth Peanut World Grand Prix runs 24 hours Following Grand Prix will ENART annual NIMAS event runs until sometime Saturday June 18 1983 info about US Indoor Champs get entry blanks send SASE Tony Italiano 1655 Revere Dr BrookField WI 53005 Entry deadline avoid late entry fee June 1 198} postmark entry NIMAS ENART get entry blank info Dr John Martin 3327 Darwin St Miami FL 3333 entry proxyflown Peanuts Grand Prix Mike Arak 10900 SW 61 Court Miami FL 33156 details Kit-Plan Scale event contact Martin Varney 1020 N Wood Griffith IN 46319 Join up way compete tndoor Champs must member AMA already wouldnt reading either NFFS NIMAS Juniors Seniors ex cepted call yourself Free Flighter arent member N FFS cheat ing yourself other FFers Two reasons NFFS actively involved activi ties help perpetuate activity dues money helps insure will always able fly challenging kind miniature aircraft 2 iome NFFS rolls proof interest Free Flight necessity cer tain AMA deliberations affected relative number participants category FF CL RC etc cant count youre signed up hurts us lesser degree true NIMAS also join NFFS write Hal Woods 707 2nd St Davis CA 95616 info NIMASBud Tenny PO Box 545 Richardson TX 75080 NFFS Publications Part on-going service NFFS Free Flight buff impressive array plans other technical publications have gathered made available purchase obtain list whats available send SASE Fred Terzian 4858 Moorpark Ave San Jose CA 95129 cabin classes Before advent Manhattan Bostonian Cabin models AMA Cabin models extremely delicate have evolved models have flown over 31 minutes see photo Col Bob Randolph launching 31-mm model Juniors Seniors often fly paper-covered relatively heavy versions Nats competiton see photo 152 Model Aviation SOUTHERNS SORGHUM & FLEXALL THE STANDARDPLASTICIZER CO NTACTFOR ADHESIVEAC RY LI CS FORAND SHEETING/DOPES FOAM/ eew.I WINGS WILLEeg~ NOTSTOPS CRACKING ATTACKAND STYROFOAMCHIPPING CORES SEE YOUR DEALER OR DISTRIBUTOR DAVE BROWN PRODUCTS 4560 Layhigh Hamilton OH 45013 213 738-1576 ALL NEW CUSTOM SCNNEURLE COK 049 ENGINES Racing & Stunt versions special hard chrome & honing technology Also Complete inventory individual stock custom parts Cox TD 020 049 051 & 09 engInes Competition parts & accessories Combat Free Fit C/L & R/C Racing Speed Stunt & Team Race Exclusive distributor Nelson 15 engIne & parts detailed catalog send 50 cents Kustom Kraftsmanshlp Box 2699 Laguna Hills CA 92653 Telephone 714 830-5162