p -w I q Back 1927 Chamberlin copilot Acosta gotter away just few days earlier Bellanca Columbia mighi have Lindbergh Spirit St Louis nobody re members today Columbia went set records its own though heady days after Lindbergh pointed way Thu model makes unusual easy-to-build great-flying RC School yard Scale project thats perfect Black Widow 049 engine rap Bellanca shown finished ready fly color scheme duplicates orig inal Columbia fuselage done MonoKate dull silver wings white black Geo-Type lettering available local art supply store struts fairings pa tience order day covering model Above Another view unusual ship has 40-in wingspan enough scale detail make craftsman happy Build light about 11 oz best performanceIts basically Free Flight designed fly itself Modern RC gear adds 3 4 oz weight sacrificing very little its fine Free Flight char acteristics performance has two-channel control can hand-launched ROG 32 Model Aviation GETTING INTO Radio Control ol things Id managed put off years first place just too ex pensive time next best excuse equipment too heavya Free Flighter hates add weight mod el assorted other excuses kept RC bay good 20 years fall 1988 came end local club put model display mall members showed beautiful version Don Srulls Cessna C-37 immediately took fancy Right away knew build RC Cess nas After finding reading through Don Srulls article C-37 November 1986 Model Aviation began investigating small RC sets market Fu tabas 1991 4NBL came out priced just over hundred bucks sold time get building problem Ive never able build someone elses designs No matter great still spend much time changing things might well U e started scratch So luie essna waned lure RC however ques full-size airplane model would first Scale RC ra getting good workout Glid model would have high-wing nonoplane Searching through piles prospective de first candidate caught eye Spirit St Louis problem nose moment the tailold Free Flight Scale habits hard break light came Late Friday night Id stayed up ideotape Spirit St Louis being television Watching story un- Just few days after being beaten out Lindberghs historic flight Clarence Chamberlin make hasty change destination Deciding Berlin Bert Acosta lifted --l caught up scene off Columbia June 41927 Just 108 miles short goal ran out fuel Stewart trying buy Bel- landed field near Elsleben Germany Columbia went set aviation rec hands beautiful ords before finally being destroyed hangar fire 1935 Building historical Golden Age er-and-white model models excellent way relive aviation history renew understanding past Left Columbias roots Pacemaker line quite evident especially front lifting fuselage distinctive windshield lifti struts make clean efficient aircraft Right above behind Bellanca shows just clean areas outscale structure modified lightness Without ailerons small amount washout helps keep wings level Left dummy radial engine cylinders add authentic detail model spinner scale show blocks cooling air intake Note modified Z-bends base wing struts Right Small nylon landing gear clips enlisted anchor wing struts wing rubberband struts pulls together locks clips mounted wing Since wing dihedral established length struts builder must exercise great care cutting trimming struts precisely possible March 1990 33 Most radial-engined airplanes dont offer long nose moment feature has great deal models good balance large unique rudder shape designed lust Columbia adds singular charm airplane Right Chamberlin got mile advertising extensive lettering original simplified model cut out MonoKote Trim Sheet precut varieties vinyl lettering market dont care cut own Notice quick-release wing struts facilitate wing removal q / p1 0 x 2 C / / I-n __fll pl m N aq T 1/ 34 Model Aviation 3/4 DIHEDRAL PER TIPVIK PLY STRUTMTSI/4S5 LEWHITE WINGS-BLACK MIMBERS WRES SOW CH W M SHY S 32 MW %HKRES 1/9 50 SPARS1/32 U 314 TE3 32 05 ALUM TUBES AUSSE WEI/N WAm4 OUT BOTH TIZ I/IAMW STRUT CTIP RIBS MABA 2 OF I/HTUBAS RUB WIRES=FIlTINUS 4 NESS -CI/G53/RMAIN RIB PATTERN 20SF3/32 MAIl SPAR I/AMW BOSEV16 FORMERSL FITTINGS BLOCK -A-I/H 0 3/IA RIBSI/IA MW3/ASS TEB SPARSLAM TIPS 5-I/25STRIPS 3/16 591 CARVE TO ARFOIL SECTION 1/1K DHTI/4HARO FIREWALL RUBBER BANDS HOLD I/4PIY ENUKAK MTVIATOP SHEETINGN3IAHABO BALSATHREADED BOO I/INUN I/U MW WING JOAJER S 1/32 P12 HATOWRAP TO CROSS MEMBER WITh REAR LA STRUT MAIN 2 STRUT 1 F D GIlD B SOLDER ASSEMBLU 6 OPESTENSIOR WKAEU U N PRIBARETOO HPEKI t--r o~ CYLINDERSSPARK IF jI 121AM ENGRE UNSERS MUXE N cn oUWTO FITCOUB KASOWEMITSS/32PLY SKD D 04N WITH 40 PROP2 -[zNPROP BODE SOWNIWAILNI TUBE THRUSTS I/U ATWELS192 BALLAJHCA COLIAIBIA NC SCHOOL TARS SCALE TLXLJ 016 PIT OSOS FRONT 6 REARDESIGNED B GNAW N BY 591K GHOUl/IT INGS SCALED FROMJOSEPH NETS DRAWINGS STATIC SPOilER2 BA SA Ii As VCR continued absence found digging through unpacked box three-views holding up pile junk shop However quick glance through Bs file didnt produce airplane looking knew somewhere could What called Bobby Haights Free Flight Scale model flashed through mindwhat its name Finally came Columbia Sure enough filed under Cs set sun-aged blueprints ordered years ago Joseph Nieto great drawingsinternal external de tails color info nicely done 3A-in/l-ft scale Columbia specially built Bel lanca huge fuel capacity designed set duration distance records fact owners Charles Levine Clarence Cham berlin planned make aviation history new airplane flying nonstop frorr New York Paris beaten out b3 Lindbergh just few days Undaunted aviators decided modify routc flying New York Berlin fellow pilot Bert Acosta Chamber lin crossed Atlantic June 4 1927 Four thousand four hundred miles later thc Columbia ran out fuel made forcei landing village called Heifta just out side Eisleben Germany aviators Left large upper hatch allows easy access servos wing-retaining rubberbands can see servos pushrods tached under aft thread-wrapped wing wire brace Note rubberbands hooksan old Free Flight trick Right main components covered ready final assembly Check surfacesincluding strutsfor warps iron out might find Make sure wing washout correct Note two sets strutsright left front back rn Bellanca no two struts same 36 Modei Aviation 1Left Futaba microservos almost lost inside cavernous cabin area Note thread wrapping landing gear wires aft wins wire brace Also note ample gusseting structure Right Small lightweight control horns link elevator rudder pushrods simple S-bend Both exit same side keep other side clean Clevis pins shown plans make adjustment easier Left Cox Black Widow gives lot power its small weight Just protruding left air cooling hole fuel tank overflow tube engine well concealed yet cowl shaped Its easy slip glow connector off Right Very wide wing struts wer4 trademark Bellanca company its heyday strut attachment designed absorb enough shock keep model breakinj rough landings Spring wheel retainers work great add very little weight Williams Brothers manufactures 21/2-in Golden Age wheels TAIBI _____________ Y448 4TYa FAl TI 364W 3/B-INCH3648 I/Ax 1/60611 BALSA WOOD1/6 x 3/16Ii15 sTICKS1/A x 1/41317 1/Ax 3/81621 1/16-INCH36II i/Ax 1/21724 1116 x 1/16061/A x 3/42533 116 x 3/32073/lA-INCH3648 1/16 x 1/A0611 1/16 x 3/160913 3/18 x 3/161317 1/IA x 1/41015 3/16 x 1/41418 1/16 x 3/61317 3/16 x 3/61621 1/16 x 1/2IA20 3/16 x 1/21625 1/16 x 3/42126 3/16 x 3/42A36 3/22-INCH3648 1/4-INCH3646 3/32x3/3206111/4x1/41621 3/32 x 1/A0913 1/4 x 3/A1625 3/32 x 3/161015 1/4 x 1/22129 3/32 x 1/41316 1/4 x 3/43142 3/32x3/A1419 3/32 x 1/21621 6/lA-INCH3646 3/32 x 3/42431 5/16 x 5/162027 DxxbIe Baixa Wxxd5/16 x 3/62230 Pricex Fxr Spxce6/16 x 1/22736 xxd Axxxwxx4 Stickx 5/lA x 3/43992 3/A x 3/62737 3/Ax 1/23041 3/Ax3/44460 1/2-INCH3648 1/2 x 1/23749 1/2 x 3/40270 TRIANGULAR CUT BALSA 1/4x1/4x3624 3/Ax3/6x3629 1/2x1/2x3037 3/4x3/4x3647 1x1x3661 BALSA PLANKS 3/4x3x36176 1x2x36164 1x3x30230 1x4x30303 2x2x36230 2x3x36329 2x4x30464 3x3x30490 3x4x36660 BALSA SHEETS 1-INCH3W46 1/lAxi2736 3/32 x 13040 I/A xl3344 3/16 xl3749 1/4 x 14157 3/6 x 15372 l/2x16968 2-INCH3646 1/32x23040 1/16x23649 3/32 x 24154 1/6x24660 3/16 x 25472 1/4x26364 113190 1/2277 103 3-INCH3646 1/32x34063 1/16x34358 3/32 x 35270 1/6x36060 3/16 x 37295 1/4x364112 5/16x3103134 3/Ax3130160 1/2x3150200 4-INCH3648 1/32x46567 1/16x473101 3/32 x 462109 1/6x495126 3/16x4114151 1/4x4131193 3/6x4162271 1/2 x 4219325 BIRCH PLYWOOD 1/64x12x121621/4x6x1274 1/64x12x24364I/4x12x12146 1/64 x 12x467261/4 x 12x 24293 1/64 x 48 x 4829121/4 x 12 x 48565 1/32x6x12603/6x12x12160 1/32x12x121193/Ax12x24360 1/32x 12 x 242373/Ax 12 x 48720 I/32x12x48473 1/2x12x12202 1/16x6x1259I/2x12x24405 1/16x12x 121171/2x 12x48806 1/16 x 12 x 24234 1/16 x 12 x 48466 3/32 x 6 x 1291LITE PLYWOOD 3/32x12x12161 3/32 x 12x 24362 1/Ax 12 x 1256 3/32x12x48723 1/6x12x24112 1/Axl2x4A224 1/6x6x12100 1/Ax 12 x 12196 1/Ax 12 x 24397TAPEREDTRAILING 1/Ax 12 x 48764 EDGE3646 3/16x6x12741/Axl/22230 3/16 x 12 x 12146 3/16 x 3/42940 3/16 x 12 x 24293 1/Ax I4255 3/16 x 12 x 48565 5/16 x 14461 3/Axl5272 * OPEN TO THE PUBLIC * Superior Aircraft Materials 12020-G Centralia iian Gardens California 90716 865-3220 Handling Charge -$500 $300 COD mum Order $2000 FO9 Factory accept Personal checks COD fornia Residents add 6% Sales Tax ew Berlin after refueling During exciting years after Lind ergh feat its own promising begin ing Columbia went log iore flights set additional records Af r changing owners several times airlane came untimely end urned 1935 hangar fire New Castle grace beauty design y aviation history booksand ow local field After studying old blueprints de ided build Columbia Schoolyard cale proportions Using size area f Cessna C-37 starting point e help calculator worked out umbers scale presented arti le wealth markings details uaranteed good-looking somewhat nusual model luck would ly RC least Id have attractive ew Free Flight ship flying field ionstruction As building proj cts time well spent studying accom anying plans pictures Columbia very simple model few new wists fuselage basically old-fashioned stick-and-tissue construction addi tion few formers nose produce rounded cowl section Begin cutting out cabin top sides medium-tohard /I6 balsa sheet Match up sides carefully locate drill holes wing wires rubberbands Pin sides plans pin down upper lower longerons Pin down short strip under cabin windows remaining uprights did good job fitting pieces glue CyA cyanoacrylate allow cure Once first side finished cover sheet wax paper build sec ond side over Make sure wing wire holes line up before start gluing sides must match up ensure proper align ment later After glue has set lift sides plans join crossmem bers Begin beveling applying CyA tail posts Draw sides together CyA crossmember station D pull nose together add remain ing crossmembers Check proceed make sure fuselage square evenly tapering viewed top Cut out install formers section B Cut out install firewall Bend landing gear wires sew proper crossmembers Gather units axle bind fine copper wire solder together Dont forget sew wing strut joiners land ing gear struts Cut pile gussets install wherever think theyll help Plank nose extending A2 sheet fire wall front landing gear strut top sides bottom found soaking outside sheeting hot water spray bottle helped curve sheet around corners Add /16 sheet rear windows pushrods stabilizer mounts cowl may formed either four trapezoidshaped sheets -in balsa triangle blocks corners single block balsa Carve fit cowl Tack glue firewall model cement have shape approximately right pop cowl off hollow clear engineContinued page 38 THERMAL CHARGER what looking electric sailplane good looks easy build fun fly great performance Thermal Charger Wing Span Wing Area Motor Included 60 Inches 545 Sq Inches Leisure 05 Electric fl PRECISION PRODUCTS INC 714 592-5144 510 E Arrow Highway San Dimas CA 91773 March 1990 37 durable skis made lightweight aluminum feature steel spring holds ski rigid flight also elevates axle above ski no modifications cur rent gear wire needed can go wheels akis seconds side ski also has special edge stows excellent tracking icy surfaces are-available two sizes can purchased trikes just mains order please send check money order $300 shipping handling Add 6% sales tax Minnesota Allow 2 weeks delivery Telephone inquiries call Ron 612-781-7333 NORTHERN 20 30 Trike $2200 Mains $1600 MODELING 40 80 Trike $2400 Mains $1800 PRODUCTSPrices effective January 11990 PO Box 21181 ColumbIa Height MN 56421 781-7333 Mount engine cut openings cowl can slipped piece over engine Drill two holes cowl retaining screws Soak holes CyA install cowl glue dry Finish sand fuselage Install landing gear fairings sand shape Install sand hatch cover hinged cover top fuselage MonoKote covering Two small sheet metal screws keep closed rear shown photos Tail surfaces Begin cutting form stabilizer tip cut three strips A0 x /2 x 6 long soaked hot water few minutes Wax form edges white crayon Run strips between fingers take out water rids excess water also gives little prebend Apply light coat white glue side strip before stacking next Repeat un til three strips soaking mess fingers begin forming process Holding end strips against trailing edge form pull strips around form Use enough tension force some excess water glue out strips much break Af ter strips wrapped around form secure pins tape until theyre dry Since formed tip /2 wide have room sand both top bottom smooth before carefully slicing two L LIWESC s d It, is33a a 24 -20 107 18 14 12 10 -in-wide tips Sand tip down Y16 pin plans Cut out /6 sheet parts start pin ning stabilizer plan CyA joints allow cure Repeat same procedure rudder fin except use A-in balsa Make sure use hard balsa sheet parts control horns attach give balsa attachment area light coat CyA strengthening Sand edges well pre pare covering Join elevators wire connector set assem bly aside covering Wing Select medium-firm straight grained balsa strips spars lead ing edges trailing edge strip will need stripped 34 top bot tom wing Since ribs except tip ribs same shape different thicknesses stack cutting band saw ensures uniformity Set four /32 ribs two 4-in ones together lining up carefully drill holes wing tubes once Pin main bottom spar rear spar bottom trailing edge plans Accurately position upper ribs over spars glue joint Add leading trailing edges top spars Lift wing plan install wing tubes gussets Add plywood strut mounts along 5951170 3 PAlMS - PIloaqixi -Lpesslwe-1uIp 53921* UsSHh1D 2145 53914 Spat Span Spas 933,Sea -S11/fight -46901gM 499 Height375 .I-N 157155 R 1575 Se5 1433tA/tai L75lap ii69 SSpee 19II\IS Ri- -275S Spec212 SStaa- 5311YG -16 ea. SU K iarea-im 1-0515 Si--269 ~1 Nfia Si-ta214 drjvea 54 taetIeet Falooq Up . thddg epeed 1 -III. . 110 wire hooks sheeting sandwich between Try fit win wires fuselage wings Adjust align ment carefully necessary Since align ment sets incidence wing twist etc its important make sure everythin squares up viewed top front both sides rear youre satisfie fit bind install wires mt fuselage Remove wings pre pare covering Now down details Make th dummy engine either scrap wood o Williams Bros kit Cut out win1 struts sand prepare fin ishing Its best mount servos fit tht pushrods before covering model whil can still reach through sides wait ed until after covering ended up doing lot building tweezers Use favorite method everyone seems hay mounting servos screwed th servos two beams positione across fuselage battery pack can b fitted rear firewall re ceiver positioned just behind Make up pushrods shown th plans Adjust length stick th wires liking Pin together eleva tor stabilizer rudder fin pin place fuselage tach control horns fit pushrod Which Thermal Competition Glider Would Rather Flying Surprised nearly 26 1 [ID Yes according results Selig/Donovan/Fraser Princeton wind tunnel tests published Soartech ty LOVESONG mightier ever adding trip turbulator 1/8 wide 020 thick 20% chord Eppler 214 airfoil has become killer thermal airfoil 90s unprece dented performance boost puts PIXY CAMANO & LOVESONG farther ahead Ups up competition Best Designs Airfoil Performance can buy multichannel glider kits Send 2 stamps new catalog bi-annual newsletter Second Wind now available $200 per year DODGSON DESIGNS 21230 Damson Rd Bothell WA 98021 206776-8067 38 Model Aviation
Edition: Model Aviation - 1990/03
Page Numbers: 32, 33, 34, 35, 36, 37, 38
p -w I q Back 1927 Chamberlin copilot Acosta gotter away just few days earlier Bellanca Columbia mighi have Lindbergh Spirit St Louis nobody re members today Columbia went set records its own though heady days after Lindbergh pointed way Thu model makes unusual easy-to-build great-flying RC School yard Scale project thats perfect Black Widow 049 engine rap Bellanca shown finished ready fly color scheme duplicates orig inal Columbia fuselage done MonoKate dull silver wings white black Geo-Type lettering available local art supply store struts fairings pa tience order day covering model Above Another view unusual ship has 40-in wingspan enough scale detail make craftsman happy Build light about 11 oz best performanceIts basically Free Flight designed fly itself Modern RC gear adds 3 4 oz weight sacrificing very little its fine Free Flight char acteristics performance has two-channel control can hand-launched ROG 32 Model Aviation GETTING INTO Radio Control ol things Id managed put off years first place just too ex pensive time next best excuse equipment too heavya Free Flighter hates add weight mod el assorted other excuses kept RC bay good 20 years fall 1988 came end local club put model display mall members showed beautiful version Don Srulls Cessna C-37 immediately took fancy Right away knew build RC Cess nas After finding reading through Don Srulls article C-37 November 1986 Model Aviation began investigating small RC sets market Fu tabas 1991 4NBL came out priced just over hundred bucks sold time get building problem Ive never able build someone elses designs No matter great still spend much time changing things might well U e started scratch So luie essna waned lure RC however ques full-size airplane model would first Scale RC ra getting good workout Glid model would have high-wing nonoplane Searching through piles prospective de first candidate caught eye Spirit St Louis problem nose moment the tailold Free Flight Scale habits hard break light came Late Friday night Id stayed up ideotape Spirit St Louis being television Watching story un- Just few days after being beaten out Lindberghs historic flight Clarence Chamberlin make hasty change destination Deciding Berlin Bert Acosta lifted --l caught up scene off Columbia June 41927 Just 108 miles short goal ran out fuel Stewart trying buy Bel- landed field near Elsleben Germany Columbia went set aviation rec hands beautiful ords before finally being destroyed hangar fire 1935 Building historical Golden Age er-and-white model models excellent way relive aviation history renew understanding past Left Columbias roots Pacemaker line quite evident especially front lifting fuselage distinctive windshield lifti struts make clean efficient aircraft Right above behind Bellanca shows just clean areas outscale structure modified lightness Without ailerons small amount washout helps keep wings level Left dummy radial engine cylinders add authentic detail model spinner scale show blocks cooling air intake Note modified Z-bends base wing struts Right Small nylon landing gear clips enlisted anchor wing struts wing rubberband struts pulls together locks clips mounted wing Since wing dihedral established length struts builder must exercise great care cutting trimming struts precisely possible March 1990 33 Most radial-engined airplanes dont offer long nose moment feature has great deal models good balance large unique rudder shape designed lust Columbia adds singular charm airplane Right Chamberlin got mile advertising extensive lettering original simplified model cut out MonoKote Trim Sheet precut varieties vinyl lettering market dont care cut own Notice quick-release wing struts facilitate wing removal q / p1 0 x 2 C / / I-n __fll pl m N aq T 1/ 34 Model Aviation 3/4 DIHEDRAL PER TIPVIK PLY STRUTMTSI/4S5 LEWHITE WINGS-BLACK MIMBERS WRES SOW CH W M SHY S 32 MW %HKRES 1/9 50 SPARS1/32 U 314 TE3 32 05 ALUM TUBES AUSSE WEI/N WAm4 OUT BOTH TIZ I/IAMW STRUT CTIP RIBS MABA 2 OF I/HTUBAS RUB WIRES=FIlTINUS 4 NESS -CI/G53/RMAIN RIB PATTERN 20SF3/32 MAIl SPAR I/AMW BOSEV16 FORMERSL FITTINGS BLOCK -A-I/H 0 3/IA RIBSI/IA MW3/ASS TEB SPARSLAM TIPS 5-I/25STRIPS 3/16 591 CARVE TO ARFOIL SECTION 1/1K DHTI/4HARO FIREWALL RUBBER BANDS HOLD I/4PIY ENUKAK MTVIATOP SHEETINGN3IAHABO BALSATHREADED BOO I/INUN I/U MW WING JOAJER S 1/32 P12 HATOWRAP TO CROSS MEMBER WITh REAR LA STRUT MAIN 2 STRUT 1 F D GIlD B SOLDER ASSEMBLU 6 OPESTENSIOR WKAEU U N PRIBARETOO HPEKI t--r o~ CYLINDERSSPARK IF jI 121AM ENGRE UNSERS MUXE N cn oUWTO FITCOUB KASOWEMITSS/32PLY SKD D 04N WITH 40 PROP2 -[zNPROP BODE SOWNIWAILNI TUBE THRUSTS I/U ATWELS192 BALLAJHCA COLIAIBIA NC SCHOOL TARS SCALE TLXLJ 016 PIT OSOS FRONT 6 REARDESIGNED B GNAW N BY 591K GHOUl/IT INGS SCALED FROMJOSEPH NETS DRAWINGS STATIC SPOilER2 BA SA Ii As VCR continued absence found digging through unpacked box three-views holding up pile junk shop However quick glance through Bs file didnt produce airplane looking knew somewhere could What called Bobby Haights Free Flight Scale model flashed through mindwhat its name Finally came Columbia Sure enough filed under Cs set sun-aged blueprints ordered years ago Joseph Nieto great drawingsinternal external de tails color info nicely done 3A-in/l-ft scale Columbia specially built Bel lanca huge fuel capacity designed set duration distance records fact owners Charles Levine Clarence Cham berlin planned make aviation history new airplane flying nonstop frorr New York Paris beaten out b3 Lindbergh just few days Undaunted aviators decided modify routc flying New York Berlin fellow pilot Bert Acosta Chamber lin crossed Atlantic June 4 1927 Four thousand four hundred miles later thc Columbia ran out fuel made forcei landing village called Heifta just out side Eisleben Germany aviators Left large upper hatch allows easy access servos wing-retaining rubberbands can see servos pushrods tached under aft thread-wrapped wing wire brace Note rubberbands hooksan old Free Flight trick Right main components covered ready final assembly Check surfacesincluding strutsfor warps iron out might find Make sure wing washout correct Note two sets strutsright left front back rn Bellanca no two struts same 36 Modei Aviation 1Left Futaba microservos almost lost inside cavernous cabin area Note thread wrapping landing gear wires aft wins wire brace Also note ample gusseting structure Right Small lightweight control horns link elevator rudder pushrods simple S-bend Both exit same side keep other side clean Clevis pins shown plans make adjustment easier Left Cox Black Widow gives lot power its small weight Just protruding left air cooling hole fuel tank overflow tube engine well concealed yet cowl shaped Its easy slip glow connector off Right Very wide wing struts wer4 trademark Bellanca company its heyday strut attachment designed absorb enough shock keep model breakinj rough landings Spring wheel retainers work great add very little weight Williams Brothers manufactures 21/2-in Golden Age wheels TAIBI _____________ Y448 4TYa FAl TI 364W 3/B-INCH3648 I/Ax 1/60611 BALSA WOOD1/6 x 3/16Ii15 sTICKS1/A x 1/41317 1/Ax 3/81621 1/16-INCH36II i/Ax 1/21724 1116 x 1/16061/A x 3/42533 116 x 3/32073/lA-INCH3648 1/16 x 1/A0611 1/16 x 3/160913 3/18 x 3/161317 1/IA x 1/41015 3/16 x 1/41418 1/16 x 3/61317 3/16 x 3/61621 1/16 x 1/2IA20 3/16 x 1/21625 1/16 x 3/42126 3/16 x 3/42A36 3/22-INCH3648 1/4-INCH3646 3/32x3/3206111/4x1/41621 3/32 x 1/A0913 1/4 x 3/A1625 3/32 x 3/161015 1/4 x 1/22129 3/32 x 1/41316 1/4 x 3/43142 3/32x3/A1419 3/32 x 1/21621 6/lA-INCH3646 3/32 x 3/42431 5/16 x 5/162027 DxxbIe Baixa Wxxd5/16 x 3/62230 Pricex Fxr Spxce6/16 x 1/22736 xxd Axxxwxx4 Stickx 5/lA x 3/43992 3/A x 3/62737 3/Ax 1/23041 3/Ax3/44460 1/2-INCH3648 1/2 x 1/23749 1/2 x 3/40270 TRIANGULAR CUT BALSA 1/4x1/4x3624 3/Ax3/6x3629 1/2x1/2x3037 3/4x3/4x3647 1x1x3661 BALSA PLANKS 3/4x3x36176 1x2x36164 1x3x30230 1x4x30303 2x2x36230 2x3x36329 2x4x30464 3x3x30490 3x4x36660 BALSA SHEETS 1-INCH3W46 1/lAxi2736 3/32 x 13040 I/A xl3344 3/16 xl3749 1/4 x 14157 3/6 x 15372 l/2x16968 2-INCH3646 1/32x23040 1/16x23649 3/32 x 24154 1/6x24660 3/16 x 25472 1/4x26364 113190 1/2277 103 3-INCH3646 1/32x34063 1/16x34358 3/32 x 35270 1/6x36060 3/16 x 37295 1/4x364112 5/16x3103134 3/Ax3130160 1/2x3150200 4-INCH3648 1/32x46567 1/16x473101 3/32 x 462109 1/6x495126 3/16x4114151 1/4x4131193 3/6x4162271 1/2 x 4219325 BIRCH PLYWOOD 1/64x12x121621/4x6x1274 1/64x12x24364I/4x12x12146 1/64 x 12x467261/4 x 12x 24293 1/64 x 48 x 4829121/4 x 12 x 48565 1/32x6x12603/6x12x12160 1/32x12x121193/Ax12x24360 1/32x 12 x 242373/Ax 12 x 48720 I/32x12x48473 1/2x12x12202 1/16x6x1259I/2x12x24405 1/16x12x 121171/2x 12x48806 1/16 x 12 x 24234 1/16 x 12 x 48466 3/32 x 6 x 1291LITE PLYWOOD 3/32x12x12161 3/32 x 12x 24362 1/Ax 12 x 1256 3/32x12x48723 1/6x12x24112 1/Axl2x4A224 1/6x6x12100 1/Ax 12 x 12196 1/Ax 12 x 24397TAPEREDTRAILING 1/Ax 12 x 48764 EDGE3646 3/16x6x12741/Axl/22230 3/16 x 12 x 12146 3/16 x 3/42940 3/16 x 12 x 24293 1/Ax I4255 3/16 x 12 x 48565 5/16 x 14461 3/Axl5272 * OPEN TO THE PUBLIC * Superior Aircraft Materials 12020-G Centralia iian Gardens California 90716 865-3220 Handling Charge -$500 $300 COD mum Order $2000 FO9 Factory accept Personal checks COD fornia Residents add 6% Sales Tax ew Berlin after refueling During exciting years after Lind ergh feat its own promising begin ing Columbia went log iore flights set additional records Af r changing owners several times airlane came untimely end urned 1935 hangar fire New Castle grace beauty design y aviation history booksand ow local field After studying old blueprints de ided build Columbia Schoolyard cale proportions Using size area f Cessna C-37 starting point e help calculator worked out umbers scale presented arti le wealth markings details uaranteed good-looking somewhat nusual model luck would ly RC least Id have attractive ew Free Flight ship flying field ionstruction As building proj cts time well spent studying accom anying plans pictures Columbia very simple model few new wists fuselage basically old-fashioned stick-and-tissue construction addi tion few formers nose produce rounded cowl section Begin cutting out cabin top sides medium-tohard /I6 balsa sheet Match up sides carefully locate drill holes wing wires rubberbands Pin sides plans pin down upper lower longerons Pin down short strip under cabin windows remaining uprights did good job fitting pieces glue CyA cyanoacrylate allow cure Once first side finished cover sheet wax paper build sec ond side over Make sure wing wire holes line up before start gluing sides must match up ensure proper align ment later After glue has set lift sides plans join crossmem bers Begin beveling applying CyA tail posts Draw sides together CyA crossmember station D pull nose together add remain ing crossmembers Check proceed make sure fuselage square evenly tapering viewed top Cut out install formers section B Cut out install firewall Bend landing gear wires sew proper crossmembers Gather units axle bind fine copper wire solder together Dont forget sew wing strut joiners land ing gear struts Cut pile gussets install wherever think theyll help Plank nose extending A2 sheet fire wall front landing gear strut top sides bottom found soaking outside sheeting hot water spray bottle helped curve sheet around corners Add /16 sheet rear windows pushrods stabilizer mounts cowl may formed either four trapezoidshaped sheets -in balsa triangle blocks corners single block balsa Carve fit cowl Tack glue firewall model cement have shape approximately right pop cowl off hollow clear engineContinued page 38 THERMAL CHARGER what looking electric sailplane good looks easy build fun fly great performance Thermal Charger Wing Span Wing Area Motor Included 60 Inches 545 Sq Inches Leisure 05 Electric fl PRECISION PRODUCTS INC 714 592-5144 510 E Arrow Highway San Dimas CA 91773 March 1990 37 durable skis made lightweight aluminum feature steel spring holds ski rigid flight also elevates axle above ski no modifications cur rent gear wire needed can go wheels akis seconds side ski also has special edge stows excellent tracking icy surfaces are-available two sizes can purchased trikes just mains order please send check money order $300 shipping handling Add 6% sales tax Minnesota Allow 2 weeks delivery Telephone inquiries call Ron 612-781-7333 NORTHERN 20 30 Trike $2200 Mains $1600 MODELING 40 80 Trike $2400 Mains $1800 PRODUCTSPrices effective January 11990 PO Box 21181 ColumbIa Height MN 56421 781-7333 Mount engine cut openings cowl can slipped piece over engine Drill two holes cowl retaining screws Soak holes CyA install cowl glue dry Finish sand fuselage Install landing gear fairings sand shape Install sand hatch cover hinged cover top fuselage MonoKote covering Two small sheet metal screws keep closed rear shown photos Tail surfaces Begin cutting form stabilizer tip cut three strips A0 x /2 x 6 long soaked hot water few minutes Wax form edges white crayon Run strips between fingers take out water rids excess water also gives little prebend Apply light coat white glue side strip before stacking next Repeat un til three strips soaking mess fingers begin forming process Holding end strips against trailing edge form pull strips around form Use enough tension force some excess water glue out strips much break Af ter strips wrapped around form secure pins tape until theyre dry Since formed tip /2 wide have room sand both top bottom smooth before carefully slicing two L LIWESC s d It, is33a a 24 -20 107 18 14 12 10 -in-wide tips Sand tip down Y16 pin plans Cut out /6 sheet parts start pin ning stabilizer plan CyA joints allow cure Repeat same procedure rudder fin except use A-in balsa Make sure use hard balsa sheet parts control horns attach give balsa attachment area light coat CyA strengthening Sand edges well pre pare covering Join elevators wire connector set assem bly aside covering Wing Select medium-firm straight grained balsa strips spars lead ing edges trailing edge strip will need stripped 34 top bot tom wing Since ribs except tip ribs same shape different thicknesses stack cutting band saw ensures uniformity Set four /32 ribs two 4-in ones together lining up carefully drill holes wing tubes once Pin main bottom spar rear spar bottom trailing edge plans Accurately position upper ribs over spars glue joint Add leading trailing edges top spars Lift wing plan install wing tubes gussets Add plywood strut mounts along 5951170 3 PAlMS - PIloaqixi -Lpesslwe-1uIp 53921* UsSHh1D 2145 53914 Spat Span Spas 933,Sea -S11/fight -46901gM 499 Height375 .I-N 157155 R 1575 Se5 1433tA/tai L75lap ii69 SSpee 19II\IS Ri- -275S Spec212 SStaa- 5311YG -16 ea. SU K iarea-im 1-0515 Si--269 ~1 Nfia Si-ta214 drjvea 54 taetIeet Falooq Up . thddg epeed 1 -III. . 110 wire hooks sheeting sandwich between Try fit win wires fuselage wings Adjust align ment carefully necessary Since align ment sets incidence wing twist etc its important make sure everythin squares up viewed top front both sides rear youre satisfie fit bind install wires mt fuselage Remove wings pre pare covering Now down details Make th dummy engine either scrap wood o Williams Bros kit Cut out win1 struts sand prepare fin ishing Its best mount servos fit tht pushrods before covering model whil can still reach through sides wait ed until after covering ended up doing lot building tweezers Use favorite method everyone seems hay mounting servos screwed th servos two beams positione across fuselage battery pack can b fitted rear firewall re ceiver positioned just behind Make up pushrods shown th plans Adjust length stick th wires liking Pin together eleva tor stabilizer rudder fin pin place fuselage tach control horns fit pushrod Which Thermal Competition Glider Would Rather Flying Surprised nearly 26 1 [ID Yes according results Selig/Donovan/Fraser Princeton wind tunnel tests published Soartech ty LOVESONG mightier ever adding trip turbulator 1/8 wide 020 thick 20% chord Eppler 214 airfoil has become killer thermal airfoil 90s unprece dented performance boost puts PIXY CAMANO & LOVESONG farther ahead Ups up competition Best Designs Airfoil Performance can buy multichannel glider kits Send 2 stamps new catalog bi-annual newsletter Second Wind now available $200 per year DODGSON DESIGNS 21230 Damson Rd Bothell WA 98021 206776-8067 38 Model Aviation
Edition: Model Aviation - 1990/03
Page Numbers: 32, 33, 34, 35, 36, 37, 38
p -w I q Back 1927 Chamberlin copilot Acosta gotter away just few days earlier Bellanca Columbia mighi have Lindbergh Spirit St Louis nobody re members today Columbia went set records its own though heady days after Lindbergh pointed way Thu model makes unusual easy-to-build great-flying RC School yard Scale project thats perfect Black Widow 049 engine rap Bellanca shown finished ready fly color scheme duplicates orig inal Columbia fuselage done MonoKate dull silver wings white black Geo-Type lettering available local art supply store struts fairings pa tience order day covering model Above Another view unusual ship has 40-in wingspan enough scale detail make craftsman happy Build light about 11 oz best performanceIts basically Free Flight designed fly itself Modern RC gear adds 3 4 oz weight sacrificing very little its fine Free Flight char acteristics performance has two-channel control can hand-launched ROG 32 Model Aviation GETTING INTO Radio Control ol things Id managed put off years first place just too ex pensive time next best excuse equipment too heavya Free Flighter hates add weight mod el assorted other excuses kept RC bay good 20 years fall 1988 came end local club put model display mall members showed beautiful version Don Srulls Cessna C-37 immediately took fancy Right away knew build RC Cess nas After finding reading through Don Srulls article C-37 November 1986 Model Aviation began investigating small RC sets market Fu tabas 1991 4NBL came out priced just over hundred bucks sold time get building problem Ive never able build someone elses designs No matter great still spend much time changing things might well U e started scratch So luie essna waned lure RC however ques full-size airplane model would first Scale RC ra getting good workout Glid model would have high-wing nonoplane Searching through piles prospective de first candidate caught eye Spirit St Louis problem nose moment the tailold Free Flight Scale habits hard break light came Late Friday night Id stayed up ideotape Spirit St Louis being television Watching story un- Just few days after being beaten out Lindberghs historic flight Clarence Chamberlin make hasty change destination Deciding Berlin Bert Acosta lifted --l caught up scene off Columbia June 41927 Just 108 miles short goal ran out fuel Stewart trying buy Bel- landed field near Elsleben Germany Columbia went set aviation rec hands beautiful ords before finally being destroyed hangar fire 1935 Building historical Golden Age er-and-white model models excellent way relive aviation history renew understanding past Left Columbias roots Pacemaker line quite evident especially front lifting fuselage distinctive windshield lifti struts make clean efficient aircraft Right above behind Bellanca shows just clean areas outscale structure modified lightness Without ailerons small amount washout helps keep wings level Left dummy radial engine cylinders add authentic detail model spinner scale show blocks cooling air intake Note modified Z-bends base wing struts Right Small nylon landing gear clips enlisted anchor wing struts wing rubberband struts pulls together locks clips mounted wing Since wing dihedral established length struts builder must exercise great care cutting trimming struts precisely possible March 1990 33 Most radial-engined airplanes dont offer long nose moment feature has great deal models good balance large unique rudder shape designed lust Columbia adds singular charm airplane Right Chamberlin got mile advertising extensive lettering original simplified model cut out MonoKote Trim Sheet precut varieties vinyl lettering market dont care cut own Notice quick-release wing struts facilitate wing removal q / p1 0 x 2 C / / I-n __fll pl m N aq T 1/ 34 Model Aviation 3/4 DIHEDRAL PER TIPVIK PLY STRUTMTSI/4S5 LEWHITE WINGS-BLACK MIMBERS WRES SOW CH W M SHY S 32 MW %HKRES 1/9 50 SPARS1/32 U 314 TE3 32 05 ALUM TUBES AUSSE WEI/N WAm4 OUT BOTH TIZ I/IAMW STRUT CTIP RIBS MABA 2 OF I/HTUBAS RUB WIRES=FIlTINUS 4 NESS -CI/G53/RMAIN RIB PATTERN 20SF3/32 MAIl SPAR I/AMW BOSEV16 FORMERSL FITTINGS BLOCK -A-I/H 0 3/IA RIBSI/IA MW3/ASS TEB SPARSLAM TIPS 5-I/25STRIPS 3/16 591 CARVE TO ARFOIL SECTION 1/1K DHTI/4HARO FIREWALL RUBBER BANDS HOLD I/4PIY ENUKAK MTVIATOP SHEETINGN3IAHABO BALSATHREADED BOO I/INUN I/U MW WING JOAJER S 1/32 P12 HATOWRAP TO CROSS MEMBER WITh REAR LA STRUT MAIN 2 STRUT 1 F D GIlD B SOLDER ASSEMBLU 6 OPESTENSIOR WKAEU U N PRIBARETOO HPEKI t--r o~ CYLINDERSSPARK IF jI 121AM ENGRE UNSERS MUXE N cn oUWTO FITCOUB KASOWEMITSS/32PLY SKD D 04N WITH 40 PROP2 -[zNPROP BODE SOWNIWAILNI TUBE THRUSTS I/U ATWELS192 BALLAJHCA COLIAIBIA NC SCHOOL TARS SCALE TLXLJ 016 PIT OSOS FRONT 6 REARDESIGNED B GNAW N BY 591K GHOUl/IT INGS SCALED FROMJOSEPH NETS DRAWINGS STATIC SPOilER2 BA SA Ii As VCR continued absence found digging through unpacked box three-views holding up pile junk shop However quick glance through Bs file didnt produce airplane looking knew somewhere could What called Bobby Haights Free Flight Scale model flashed through mindwhat its name Finally came Columbia Sure enough filed under Cs set sun-aged blueprints ordered years ago Joseph Nieto great drawingsinternal external de tails color info nicely done 3A-in/l-ft scale Columbia specially built Bel lanca huge fuel capacity designed set duration distance records fact owners Charles Levine Clarence Cham berlin planned make aviation history new airplane flying nonstop frorr New York Paris beaten out b3 Lindbergh just few days Undaunted aviators decided modify routc flying New York Berlin fellow pilot Bert Acosta Chamber lin crossed Atlantic June 4 1927 Four thousand four hundred miles later thc Columbia ran out fuel made forcei landing village called Heifta just out side Eisleben Germany aviators Left large upper hatch allows easy access servos wing-retaining rubberbands can see servos pushrods tached under aft thread-wrapped wing wire brace Note rubberbands hooksan old Free Flight trick Right main components covered ready final assembly Check surfacesincluding strutsfor warps iron out might find Make sure wing washout correct Note two sets strutsright left front back rn Bellanca no two struts same 36 Modei Aviation 1Left Futaba microservos almost lost inside cavernous cabin area Note thread wrapping landing gear wires aft wins wire brace Also note ample gusseting structure Right Small lightweight control horns link elevator rudder pushrods simple S-bend Both exit same side keep other side clean Clevis pins shown plans make adjustment easier Left Cox Black Widow gives lot power its small weight Just protruding left air cooling hole fuel tank overflow tube engine well concealed yet cowl shaped Its easy slip glow connector off Right Very wide wing struts wer4 trademark Bellanca company its heyday strut attachment designed absorb enough shock keep model breakinj rough landings Spring wheel retainers work great add very little weight Williams Brothers manufactures 21/2-in Golden Age wheels TAIBI _____________ Y448 4TYa FAl TI 364W 3/B-INCH3648 I/Ax 1/60611 BALSA WOOD1/6 x 3/16Ii15 sTICKS1/A x 1/41317 1/Ax 3/81621 1/16-INCH36II i/Ax 1/21724 1116 x 1/16061/A x 3/42533 116 x 3/32073/lA-INCH3648 1/16 x 1/A0611 1/16 x 3/160913 3/18 x 3/161317 1/IA x 1/41015 3/16 x 1/41418 1/16 x 3/61317 3/16 x 3/61621 1/16 x 1/2IA20 3/16 x 1/21625 1/16 x 3/42126 3/16 x 3/42A36 3/22-INCH3648 1/4-INCH3646 3/32x3/3206111/4x1/41621 3/32 x 1/A0913 1/4 x 3/A1625 3/32 x 3/161015 1/4 x 1/22129 3/32 x 1/41316 1/4 x 3/43142 3/32x3/A1419 3/32 x 1/21621 6/lA-INCH3646 3/32 x 3/42431 5/16 x 5/162027 DxxbIe Baixa Wxxd5/16 x 3/62230 Pricex Fxr Spxce6/16 x 1/22736 xxd Axxxwxx4 Stickx 5/lA x 3/43992 3/A x 3/62737 3/Ax 1/23041 3/Ax3/44460 1/2-INCH3648 1/2 x 1/23749 1/2 x 3/40270 TRIANGULAR CUT BALSA 1/4x1/4x3624 3/Ax3/6x3629 1/2x1/2x3037 3/4x3/4x3647 1x1x3661 BALSA PLANKS 3/4x3x36176 1x2x36164 1x3x30230 1x4x30303 2x2x36230 2x3x36329 2x4x30464 3x3x30490 3x4x36660 BALSA SHEETS 1-INCH3W46 1/lAxi2736 3/32 x 13040 I/A xl3344 3/16 xl3749 1/4 x 14157 3/6 x 15372 l/2x16968 2-INCH3646 1/32x23040 1/16x23649 3/32 x 24154 1/6x24660 3/16 x 25472 1/4x26364 113190 1/2277 103 3-INCH3646 1/32x34063 1/16x34358 3/32 x 35270 1/6x36060 3/16 x 37295 1/4x364112 5/16x3103134 3/Ax3130160 1/2x3150200 4-INCH3648 1/32x46567 1/16x473101 3/32 x 462109 1/6x495126 3/16x4114151 1/4x4131193 3/6x4162271 1/2 x 4219325 BIRCH PLYWOOD 1/64x12x121621/4x6x1274 1/64x12x24364I/4x12x12146 1/64 x 12x467261/4 x 12x 24293 1/64 x 48 x 4829121/4 x 12 x 48565 1/32x6x12603/6x12x12160 1/32x12x121193/Ax12x24360 1/32x 12 x 242373/Ax 12 x 48720 I/32x12x48473 1/2x12x12202 1/16x6x1259I/2x12x24405 1/16x12x 121171/2x 12x48806 1/16 x 12 x 24234 1/16 x 12 x 48466 3/32 x 6 x 1291LITE PLYWOOD 3/32x12x12161 3/32 x 12x 24362 1/Ax 12 x 1256 3/32x12x48723 1/6x12x24112 1/Axl2x4A224 1/6x6x12100 1/Ax 12 x 12196 1/Ax 12 x 24397TAPEREDTRAILING 1/Ax 12 x 48764 EDGE3646 3/16x6x12741/Axl/22230 3/16 x 12 x 12146 3/16 x 3/42940 3/16 x 12 x 24293 1/Ax I4255 3/16 x 12 x 48565 5/16 x 14461 3/Axl5272 * OPEN TO THE PUBLIC * Superior Aircraft Materials 12020-G Centralia iian Gardens California 90716 865-3220 Handling Charge -$500 $300 COD mum Order $2000 FO9 Factory accept Personal checks COD fornia Residents add 6% Sales Tax ew Berlin after refueling During exciting years after Lind ergh feat its own promising begin ing Columbia went log iore flights set additional records Af r changing owners several times airlane came untimely end urned 1935 hangar fire New Castle grace beauty design y aviation history booksand ow local field After studying old blueprints de ided build Columbia Schoolyard cale proportions Using size area f Cessna C-37 starting point e help calculator worked out umbers scale presented arti le wealth markings details uaranteed good-looking somewhat nusual model luck would ly RC least Id have attractive ew Free Flight ship flying field ionstruction As building proj cts time well spent studying accom anying plans pictures Columbia very simple model few new wists fuselage basically old-fashioned stick-and-tissue construction addi tion few formers nose produce rounded cowl section Begin cutting out cabin top sides medium-tohard /I6 balsa sheet Match up sides carefully locate drill holes wing wires rubberbands Pin sides plans pin down upper lower longerons Pin down short strip under cabin windows remaining uprights did good job fitting pieces glue CyA cyanoacrylate allow cure Once first side finished cover sheet wax paper build sec ond side over Make sure wing wire holes line up before start gluing sides must match up ensure proper align ment later After glue has set lift sides plans join crossmem bers Begin beveling applying CyA tail posts Draw sides together CyA crossmember station D pull nose together add remain ing crossmembers Check proceed make sure fuselage square evenly tapering viewed top Cut out install formers section B Cut out install firewall Bend landing gear wires sew proper crossmembers Gather units axle bind fine copper wire solder together Dont forget sew wing strut joiners land ing gear struts Cut pile gussets install wherever think theyll help Plank nose extending A2 sheet fire wall front landing gear strut top sides bottom found soaking outside sheeting hot water spray bottle helped curve sheet around corners Add /16 sheet rear windows pushrods stabilizer mounts cowl may formed either four trapezoidshaped sheets -in balsa triangle blocks corners single block balsa Carve fit cowl Tack glue firewall model cement have shape approximately right pop cowl off hollow clear engineContinued page 38 THERMAL CHARGER what looking electric sailplane good looks easy build fun fly great performance Thermal Charger Wing Span Wing Area Motor Included 60 Inches 545 Sq Inches Leisure 05 Electric fl PRECISION PRODUCTS INC 714 592-5144 510 E Arrow Highway San Dimas CA 91773 March 1990 37 durable skis made lightweight aluminum feature steel spring holds ski rigid flight also elevates axle above ski no modifications cur rent gear wire needed can go wheels akis seconds side ski also has special edge stows excellent tracking icy surfaces are-available two sizes can purchased trikes just mains order please send check money order $300 shipping handling Add 6% sales tax Minnesota Allow 2 weeks delivery Telephone inquiries call Ron 612-781-7333 NORTHERN 20 30 Trike $2200 Mains $1600 MODELING 40 80 Trike $2400 Mains $1800 PRODUCTSPrices effective January 11990 PO Box 21181 ColumbIa Height MN 56421 781-7333 Mount engine cut openings cowl can slipped piece over engine Drill two holes cowl retaining screws Soak holes CyA install cowl glue dry Finish sand fuselage Install landing gear fairings sand shape Install sand hatch cover hinged cover top fuselage MonoKote covering Two small sheet metal screws keep closed rear shown photos Tail surfaces Begin cutting form stabilizer tip cut three strips A0 x /2 x 6 long soaked hot water few minutes Wax form edges white crayon Run strips between fingers take out water rids excess water also gives little prebend Apply light coat white glue side strip before stacking next Repeat un til three strips soaking mess fingers begin forming process Holding end strips against trailing edge form pull strips around form Use enough tension force some excess water glue out strips much break Af ter strips wrapped around form secure pins tape until theyre dry Since formed tip /2 wide have room sand both top bottom smooth before carefully slicing two L LIWESC s d It, is33a a 24 -20 107 18 14 12 10 -in-wide tips Sand tip down Y16 pin plans Cut out /6 sheet parts start pin ning stabilizer plan CyA joints allow cure Repeat same procedure rudder fin except use A-in balsa Make sure use hard balsa sheet parts control horns attach give balsa attachment area light coat CyA strengthening Sand edges well pre pare covering Join elevators wire connector set assem bly aside covering Wing Select medium-firm straight grained balsa strips spars lead ing edges trailing edge strip will need stripped 34 top bot tom wing Since ribs except tip ribs same shape different thicknesses stack cutting band saw ensures uniformity Set four /32 ribs two 4-in ones together lining up carefully drill holes wing tubes once Pin main bottom spar rear spar bottom trailing edge plans Accurately position upper ribs over spars glue joint Add leading trailing edges top spars Lift wing plan install wing tubes gussets Add plywood strut mounts along 5951170 3 PAlMS - PIloaqixi -Lpesslwe-1uIp 53921* UsSHh1D 2145 53914 Spat Span Spas 933,Sea -S11/fight -46901gM 499 Height375 .I-N 157155 R 1575 Se5 1433tA/tai L75lap ii69 SSpee 19II\IS Ri- -275S Spec212 SStaa- 5311YG -16 ea. SU K iarea-im 1-0515 Si--269 ~1 Nfia Si-ta214 drjvea 54 taetIeet Falooq Up . thddg epeed 1 -III. . 110 wire hooks sheeting sandwich between Try fit win wires fuselage wings Adjust align ment carefully necessary Since align ment sets incidence wing twist etc its important make sure everythin squares up viewed top front both sides rear youre satisfie fit bind install wires mt fuselage Remove wings pre pare covering Now down details Make th dummy engine either scrap wood o Williams Bros kit Cut out win1 struts sand prepare fin ishing Its best mount servos fit tht pushrods before covering model whil can still reach through sides wait ed until after covering ended up doing lot building tweezers Use favorite method everyone seems hay mounting servos screwed th servos two beams positione across fuselage battery pack can b fitted rear firewall re ceiver positioned just behind Make up pushrods shown th plans Adjust length stick th wires liking Pin together eleva tor stabilizer rudder fin pin place fuselage tach control horns fit pushrod Which Thermal Competition Glider Would Rather Flying Surprised nearly 26 1 [ID Yes according results Selig/Donovan/Fraser Princeton wind tunnel tests published Soartech ty LOVESONG mightier ever adding trip turbulator 1/8 wide 020 thick 20% chord Eppler 214 airfoil has become killer thermal airfoil 90s unprece dented performance boost puts PIXY CAMANO & LOVESONG farther ahead Ups up competition Best Designs Airfoil Performance can buy multichannel glider kits Send 2 stamps new catalog bi-annual newsletter Second Wind now available $200 per year DODGSON DESIGNS 21230 Damson Rd Bothell WA 98021 206776-8067 38 Model Aviation
Edition: Model Aviation - 1990/03
Page Numbers: 32, 33, 34, 35, 36, 37, 38
p -w I q Back 1927 Chamberlin copilot Acosta gotter away just few days earlier Bellanca Columbia mighi have Lindbergh Spirit St Louis nobody re members today Columbia went set records its own though heady days after Lindbergh pointed way Thu model makes unusual easy-to-build great-flying RC School yard Scale project thats perfect Black Widow 049 engine rap Bellanca shown finished ready fly color scheme duplicates orig inal Columbia fuselage done MonoKate dull silver wings white black Geo-Type lettering available local art supply store struts fairings pa tience order day covering model Above Another view unusual ship has 40-in wingspan enough scale detail make craftsman happy Build light about 11 oz best performanceIts basically Free Flight designed fly itself Modern RC gear adds 3 4 oz weight sacrificing very little its fine Free Flight char acteristics performance has two-channel control can hand-launched ROG 32 Model Aviation GETTING INTO Radio Control ol things Id managed put off years first place just too ex pensive time next best excuse equipment too heavya Free Flighter hates add weight mod el assorted other excuses kept RC bay good 20 years fall 1988 came end local club put model display mall members showed beautiful version Don Srulls Cessna C-37 immediately took fancy Right away knew build RC Cess nas After finding reading through Don Srulls article C-37 November 1986 Model Aviation began investigating small RC sets market Fu tabas 1991 4NBL came out priced just over hundred bucks sold time get building problem Ive never able build someone elses designs No matter great still spend much time changing things might well U e started scratch So luie essna waned lure RC however ques full-size airplane model would first Scale RC ra getting good workout Glid model would have high-wing nonoplane Searching through piles prospective de first candidate caught eye Spirit St Louis problem nose moment the tailold Free Flight Scale habits hard break light came Late Friday night Id stayed up ideotape Spirit St Louis being television Watching story un- Just few days after being beaten out Lindberghs historic flight Clarence Chamberlin make hasty change destination Deciding Berlin Bert Acosta lifted --l caught up scene off Columbia June 41927 Just 108 miles short goal ran out fuel Stewart trying buy Bel- landed field near Elsleben Germany Columbia went set aviation rec hands beautiful ords before finally being destroyed hangar fire 1935 Building historical Golden Age er-and-white model models excellent way relive aviation history renew understanding past Left Columbias roots Pacemaker line quite evident especially front lifting fuselage distinctive windshield lifti struts make clean efficient aircraft Right above behind Bellanca shows just clean areas outscale structure modified lightness Without ailerons small amount washout helps keep wings level Left dummy radial engine cylinders add authentic detail model spinner scale show blocks cooling air intake Note modified Z-bends base wing struts Right Small nylon landing gear clips enlisted anchor wing struts wing rubberband struts pulls together locks clips mounted wing Since wing dihedral established length struts builder must exercise great care cutting trimming struts precisely possible March 1990 33 Most radial-engined airplanes dont offer long nose moment feature has great deal models good balance large unique rudder shape designed lust Columbia adds singular charm airplane Right Chamberlin got mile advertising extensive lettering original simplified model cut out MonoKote Trim Sheet precut varieties vinyl lettering market dont care cut own Notice quick-release wing struts facilitate wing removal q / p1 0 x 2 C / / I-n __fll pl m N aq T 1/ 34 Model Aviation 3/4 DIHEDRAL PER TIPVIK PLY STRUTMTSI/4S5 LEWHITE WINGS-BLACK MIMBERS WRES SOW CH W M SHY S 32 MW %HKRES 1/9 50 SPARS1/32 U 314 TE3 32 05 ALUM TUBES AUSSE WEI/N WAm4 OUT BOTH TIZ I/IAMW STRUT CTIP RIBS MABA 2 OF I/HTUBAS RUB WIRES=FIlTINUS 4 NESS -CI/G53/RMAIN RIB PATTERN 20SF3/32 MAIl SPAR I/AMW BOSEV16 FORMERSL FITTINGS BLOCK -A-I/H 0 3/IA RIBSI/IA MW3/ASS TEB SPARSLAM TIPS 5-I/25STRIPS 3/16 591 CARVE TO ARFOIL SECTION 1/1K DHTI/4HARO FIREWALL RUBBER BANDS HOLD I/4PIY ENUKAK MTVIATOP SHEETINGN3IAHABO BALSATHREADED BOO I/INUN I/U MW WING JOAJER S 1/32 P12 HATOWRAP TO CROSS MEMBER WITh REAR LA STRUT MAIN 2 STRUT 1 F D GIlD B SOLDER ASSEMBLU 6 OPESTENSIOR WKAEU U N PRIBARETOO HPEKI t--r o~ CYLINDERSSPARK IF jI 121AM ENGRE UNSERS MUXE N cn oUWTO FITCOUB KASOWEMITSS/32PLY SKD D 04N WITH 40 PROP2 -[zNPROP BODE SOWNIWAILNI TUBE THRUSTS I/U ATWELS192 BALLAJHCA COLIAIBIA NC SCHOOL TARS SCALE TLXLJ 016 PIT OSOS FRONT 6 REARDESIGNED B GNAW N BY 591K GHOUl/IT INGS SCALED FROMJOSEPH NETS DRAWINGS STATIC SPOilER2 BA SA Ii As VCR continued absence found digging through unpacked box three-views holding up pile junk shop However quick glance through Bs file didnt produce airplane looking knew somewhere could What called Bobby Haights Free Flight Scale model flashed through mindwhat its name Finally came Columbia Sure enough filed under Cs set sun-aged blueprints ordered years ago Joseph Nieto great drawingsinternal external de tails color info nicely done 3A-in/l-ft scale Columbia specially built Bel lanca huge fuel capacity designed set duration distance records fact owners Charles Levine Clarence Cham berlin planned make aviation history new airplane flying nonstop frorr New York Paris beaten out b3 Lindbergh just few days Undaunted aviators decided modify routc flying New York Berlin fellow pilot Bert Acosta Chamber lin crossed Atlantic June 4 1927 Four thousand four hundred miles later thc Columbia ran out fuel made forcei landing village called Heifta just out side Eisleben Germany aviators Left large upper hatch allows easy access servos wing-retaining rubberbands can see servos pushrods tached under aft thread-wrapped wing wire brace Note rubberbands hooksan old Free Flight trick Right main components covered ready final assembly Check surfacesincluding strutsfor warps iron out might find Make sure wing washout correct Note two sets strutsright left front back rn Bellanca no two struts same 36 Modei Aviation 1Left Futaba microservos almost lost inside cavernous cabin area Note thread wrapping landing gear wires aft wins wire brace Also note ample gusseting structure Right Small lightweight control horns link elevator rudder pushrods simple S-bend Both exit same side keep other side clean Clevis pins shown plans make adjustment easier Left Cox Black Widow gives lot power its small weight Just protruding left air cooling hole fuel tank overflow tube engine well concealed yet cowl shaped Its easy slip glow connector off Right Very wide wing struts wer4 trademark Bellanca company its heyday strut attachment designed absorb enough shock keep model breakinj rough landings Spring wheel retainers work great add very little weight Williams Brothers manufactures 21/2-in Golden Age wheels TAIBI _____________ Y448 4TYa FAl TI 364W 3/B-INCH3648 I/Ax 1/60611 BALSA WOOD1/6 x 3/16Ii15 sTICKS1/A x 1/41317 1/Ax 3/81621 1/16-INCH36II i/Ax 1/21724 1116 x 1/16061/A x 3/42533 116 x 3/32073/lA-INCH3648 1/16 x 1/A0611 1/16 x 3/160913 3/18 x 3/161317 1/IA x 1/41015 3/16 x 1/41418 1/16 x 3/61317 3/16 x 3/61621 1/16 x 1/2IA20 3/16 x 1/21625 1/16 x 3/42126 3/16 x 3/42A36 3/22-INCH3648 1/4-INCH3646 3/32x3/3206111/4x1/41621 3/32 x 1/A0913 1/4 x 3/A1625 3/32 x 3/161015 1/4 x 1/22129 3/32 x 1/41316 1/4 x 3/43142 3/32x3/A1419 3/32 x 1/21621 6/lA-INCH3646 3/32 x 3/42431 5/16 x 5/162027 DxxbIe Baixa Wxxd5/16 x 3/62230 Pricex Fxr Spxce6/16 x 1/22736 xxd Axxxwxx4 Stickx 5/lA x 3/43992 3/A x 3/62737 3/Ax 1/23041 3/Ax3/44460 1/2-INCH3648 1/2 x 1/23749 1/2 x 3/40270 TRIANGULAR CUT BALSA 1/4x1/4x3624 3/Ax3/6x3629 1/2x1/2x3037 3/4x3/4x3647 1x1x3661 BALSA PLANKS 3/4x3x36176 1x2x36164 1x3x30230 1x4x30303 2x2x36230 2x3x36329 2x4x30464 3x3x30490 3x4x36660 BALSA SHEETS 1-INCH3W46 1/lAxi2736 3/32 x 13040 I/A xl3344 3/16 xl3749 1/4 x 14157 3/6 x 15372 l/2x16968 2-INCH3646 1/32x23040 1/16x23649 3/32 x 24154 1/6x24660 3/16 x 25472 1/4x26364 113190 1/2277 103 3-INCH3646 1/32x34063 1/16x34358 3/32 x 35270 1/6x36060 3/16 x 37295 1/4x364112 5/16x3103134 3/Ax3130160 1/2x3150200 4-INCH3648 1/32x46567 1/16x473101 3/32 x 462109 1/6x495126 3/16x4114151 1/4x4131193 3/6x4162271 1/2 x 4219325 BIRCH PLYWOOD 1/64x12x121621/4x6x1274 1/64x12x24364I/4x12x12146 1/64 x 12x467261/4 x 12x 24293 1/64 x 48 x 4829121/4 x 12 x 48565 1/32x6x12603/6x12x12160 1/32x12x121193/Ax12x24360 1/32x 12 x 242373/Ax 12 x 48720 I/32x12x48473 1/2x12x12202 1/16x6x1259I/2x12x24405 1/16x12x 121171/2x 12x48806 1/16 x 12 x 24234 1/16 x 12 x 48466 3/32 x 6 x 1291LITE PLYWOOD 3/32x12x12161 3/32 x 12x 24362 1/Ax 12 x 1256 3/32x12x48723 1/6x12x24112 1/Axl2x4A224 1/6x6x12100 1/Ax 12 x 12196 1/Ax 12 x 24397TAPEREDTRAILING 1/Ax 12 x 48764 EDGE3646 3/16x6x12741/Axl/22230 3/16 x 12 x 12146 3/16 x 3/42940 3/16 x 12 x 24293 1/Ax I4255 3/16 x 12 x 48565 5/16 x 14461 3/Axl5272 * OPEN TO THE PUBLIC * Superior Aircraft Materials 12020-G Centralia iian Gardens California 90716 865-3220 Handling Charge -$500 $300 COD mum Order $2000 FO9 Factory accept Personal checks COD fornia Residents add 6% Sales Tax ew Berlin after refueling During exciting years after Lind ergh feat its own promising begin ing Columbia went log iore flights set additional records Af r changing owners several times airlane came untimely end urned 1935 hangar fire New Castle grace beauty design y aviation history booksand ow local field After studying old blueprints de ided build Columbia Schoolyard cale proportions Using size area f Cessna C-37 starting point e help calculator worked out umbers scale presented arti le wealth markings details uaranteed good-looking somewhat nusual model luck would ly RC least Id have attractive ew Free Flight ship flying field ionstruction As building proj cts time well spent studying accom anying plans pictures Columbia very simple model few new wists fuselage basically old-fashioned stick-and-tissue construction addi tion few formers nose produce rounded cowl section Begin cutting out cabin top sides medium-tohard /I6 balsa sheet Match up sides carefully locate drill holes wing wires rubberbands Pin sides plans pin down upper lower longerons Pin down short strip under cabin windows remaining uprights did good job fitting pieces glue CyA cyanoacrylate allow cure Once first side finished cover sheet wax paper build sec ond side over Make sure wing wire holes line up before start gluing sides must match up ensure proper align ment later After glue has set lift sides plans join crossmem bers Begin beveling applying CyA tail posts Draw sides together CyA crossmember station D pull nose together add remain ing crossmembers Check proceed make sure fuselage square evenly tapering viewed top Cut out install formers section B Cut out install firewall Bend landing gear wires sew proper crossmembers Gather units axle bind fine copper wire solder together Dont forget sew wing strut joiners land ing gear struts Cut pile gussets install wherever think theyll help Plank nose extending A2 sheet fire wall front landing gear strut top sides bottom found soaking outside sheeting hot water spray bottle helped curve sheet around corners Add /16 sheet rear windows pushrods stabilizer mounts cowl may formed either four trapezoidshaped sheets -in balsa triangle blocks corners single block balsa Carve fit cowl Tack glue firewall model cement have shape approximately right pop cowl off hollow clear engineContinued page 38 THERMAL CHARGER what looking electric sailplane good looks easy build fun fly great performance Thermal Charger Wing Span Wing Area Motor Included 60 Inches 545 Sq Inches Leisure 05 Electric fl PRECISION PRODUCTS INC 714 592-5144 510 E Arrow Highway San Dimas CA 91773 March 1990 37 durable skis made lightweight aluminum feature steel spring holds ski rigid flight also elevates axle above ski no modifications cur rent gear wire needed can go wheels akis seconds side ski also has special edge stows excellent tracking icy surfaces are-available two sizes can purchased trikes just mains order please send check money order $300 shipping handling Add 6% sales tax Minnesota Allow 2 weeks delivery Telephone inquiries call Ron 612-781-7333 NORTHERN 20 30 Trike $2200 Mains $1600 MODELING 40 80 Trike $2400 Mains $1800 PRODUCTSPrices effective January 11990 PO Box 21181 ColumbIa Height MN 56421 781-7333 Mount engine cut openings cowl can slipped piece over engine Drill two holes cowl retaining screws Soak holes CyA install cowl glue dry Finish sand fuselage Install landing gear fairings sand shape Install sand hatch cover hinged cover top fuselage MonoKote covering Two small sheet metal screws keep closed rear shown photos Tail surfaces Begin cutting form stabilizer tip cut three strips A0 x /2 x 6 long soaked hot water few minutes Wax form edges white crayon Run strips between fingers take out water rids excess water also gives little prebend Apply light coat white glue side strip before stacking next Repeat un til three strips soaking mess fingers begin forming process Holding end strips against trailing edge form pull strips around form Use enough tension force some excess water glue out strips much break Af ter strips wrapped around form secure pins tape until theyre dry Since formed tip /2 wide have room sand both top bottom smooth before carefully slicing two L LIWESC s d It, is33a a 24 -20 107 18 14 12 10 -in-wide tips Sand tip down Y16 pin plans Cut out /6 sheet parts start pin ning stabilizer plan CyA joints allow cure Repeat same procedure rudder fin except use A-in balsa Make sure use hard balsa sheet parts control horns attach give balsa attachment area light coat CyA strengthening Sand edges well pre pare covering Join elevators wire connector set assem bly aside covering Wing Select medium-firm straight grained balsa strips spars lead ing edges trailing edge strip will need stripped 34 top bot tom wing Since ribs except tip ribs same shape different thicknesses stack cutting band saw ensures uniformity Set four /32 ribs two 4-in ones together lining up carefully drill holes wing tubes once Pin main bottom spar rear spar bottom trailing edge plans Accurately position upper ribs over spars glue joint Add leading trailing edges top spars Lift wing plan install wing tubes gussets Add plywood strut mounts along 5951170 3 PAlMS - PIloaqixi -Lpesslwe-1uIp 53921* UsSHh1D 2145 53914 Spat Span Spas 933,Sea -S11/fight -46901gM 499 Height375 .I-N 157155 R 1575 Se5 1433tA/tai L75lap ii69 SSpee 19II\IS Ri- -275S Spec212 SStaa- 5311YG -16 ea. SU K iarea-im 1-0515 Si--269 ~1 Nfia Si-ta214 drjvea 54 taetIeet Falooq Up . thddg epeed 1 -III. . 110 wire hooks sheeting sandwich between Try fit win wires fuselage wings Adjust align ment carefully necessary Since align ment sets incidence wing twist etc its important make sure everythin squares up viewed top front both sides rear youre satisfie fit bind install wires mt fuselage Remove wings pre pare covering Now down details Make th dummy engine either scrap wood o Williams Bros kit Cut out win1 struts sand prepare fin ishing Its best mount servos fit tht pushrods before covering model whil can still reach through sides wait ed until after covering ended up doing lot building tweezers Use favorite method everyone seems hay mounting servos screwed th servos two beams positione across fuselage battery pack can b fitted rear firewall re ceiver positioned just behind Make up pushrods shown th plans Adjust length stick th wires liking Pin together eleva tor stabilizer rudder fin pin place fuselage tach control horns fit pushrod Which Thermal Competition Glider Would Rather Flying Surprised nearly 26 1 [ID Yes according results Selig/Donovan/Fraser Princeton wind tunnel tests published Soartech ty LOVESONG mightier ever adding trip turbulator 1/8 wide 020 thick 20% chord Eppler 214 airfoil has become killer thermal airfoil 90s unprece dented performance boost puts PIXY CAMANO & LOVESONG farther ahead Ups up competition Best Designs Airfoil Performance can buy multichannel glider kits Send 2 stamps new catalog bi-annual newsletter Second Wind now available $200 per year DODGSON DESIGNS 21230 Damson Rd Bothell WA 98021 206776-8067 38 Model Aviation
Edition: Model Aviation - 1990/03
Page Numbers: 32, 33, 34, 35, 36, 37, 38
p -w I q Back 1927 Chamberlin copilot Acosta gotter away just few days earlier Bellanca Columbia mighi have Lindbergh Spirit St Louis nobody re members today Columbia went set records its own though heady days after Lindbergh pointed way Thu model makes unusual easy-to-build great-flying RC School yard Scale project thats perfect Black Widow 049 engine rap Bellanca shown finished ready fly color scheme duplicates orig inal Columbia fuselage done MonoKate dull silver wings white black Geo-Type lettering available local art supply store struts fairings pa tience order day covering model Above Another view unusual ship has 40-in wingspan enough scale detail make craftsman happy Build light about 11 oz best performanceIts basically Free Flight designed fly itself Modern RC gear adds 3 4 oz weight sacrificing very little its fine Free Flight char acteristics performance has two-channel control can hand-launched ROG 32 Model Aviation GETTING INTO Radio Control ol things Id managed put off years first place just too ex pensive time next best excuse equipment too heavya Free Flighter hates add weight mod el assorted other excuses kept RC bay good 20 years fall 1988 came end local club put model display mall members showed beautiful version Don Srulls Cessna C-37 immediately took fancy Right away knew build RC Cess nas After finding reading through Don Srulls article C-37 November 1986 Model Aviation began investigating small RC sets market Fu tabas 1991 4NBL came out priced just over hundred bucks sold time get building problem Ive never able build someone elses designs No matter great still spend much time changing things might well U e started scratch So luie essna waned lure RC however ques full-size airplane model would first Scale RC ra getting good workout Glid model would have high-wing nonoplane Searching through piles prospective de first candidate caught eye Spirit St Louis problem nose moment the tailold Free Flight Scale habits hard break light came Late Friday night Id stayed up ideotape Spirit St Louis being television Watching story un- Just few days after being beaten out Lindberghs historic flight Clarence Chamberlin make hasty change destination Deciding Berlin Bert Acosta lifted --l caught up scene off Columbia June 41927 Just 108 miles short goal ran out fuel Stewart trying buy Bel- landed field near Elsleben Germany Columbia went set aviation rec hands beautiful ords before finally being destroyed hangar fire 1935 Building historical Golden Age er-and-white model models excellent way relive aviation history renew understanding past Left Columbias roots Pacemaker line quite evident especially front lifting fuselage distinctive windshield lifti struts make clean efficient aircraft Right above behind Bellanca shows just clean areas outscale structure modified lightness Without ailerons small amount washout helps keep wings level Left dummy radial engine cylinders add authentic detail model spinner scale show blocks cooling air intake Note modified Z-bends base wing struts Right Small nylon landing gear clips enlisted anchor wing struts wing rubberband struts pulls together locks clips mounted wing Since wing dihedral established length struts builder must exercise great care cutting trimming struts precisely possible March 1990 33 Most radial-engined airplanes dont offer long nose moment feature has great deal models good balance large unique rudder shape designed lust Columbia adds singular charm airplane Right Chamberlin got mile advertising extensive lettering original simplified model cut out MonoKote Trim Sheet precut varieties vinyl lettering market dont care cut own Notice quick-release wing struts facilitate wing removal q / p1 0 x 2 C / / I-n __fll pl m N aq T 1/ 34 Model Aviation 3/4 DIHEDRAL PER TIPVIK PLY STRUTMTSI/4S5 LEWHITE WINGS-BLACK MIMBERS WRES SOW CH W M SHY S 32 MW %HKRES 1/9 50 SPARS1/32 U 314 TE3 32 05 ALUM TUBES AUSSE WEI/N WAm4 OUT BOTH TIZ I/IAMW STRUT CTIP RIBS MABA 2 OF I/HTUBAS RUB WIRES=FIlTINUS 4 NESS -CI/G53/RMAIN RIB PATTERN 20SF3/32 MAIl SPAR I/AMW BOSEV16 FORMERSL FITTINGS BLOCK -A-I/H 0 3/IA RIBSI/IA MW3/ASS TEB SPARSLAM TIPS 5-I/25STRIPS 3/16 591 CARVE TO ARFOIL SECTION 1/1K DHTI/4HARO FIREWALL RUBBER BANDS HOLD I/4PIY ENUKAK MTVIATOP SHEETINGN3IAHABO BALSATHREADED BOO I/INUN I/U MW WING JOAJER S 1/32 P12 HATOWRAP TO CROSS MEMBER WITh REAR LA STRUT MAIN 2 STRUT 1 F D GIlD B SOLDER ASSEMBLU 6 OPESTENSIOR WKAEU U N PRIBARETOO HPEKI t--r o~ CYLINDERSSPARK IF jI 121AM ENGRE UNSERS MUXE N cn oUWTO FITCOUB KASOWEMITSS/32PLY SKD D 04N WITH 40 PROP2 -[zNPROP BODE SOWNIWAILNI TUBE THRUSTS I/U ATWELS192 BALLAJHCA COLIAIBIA NC SCHOOL TARS SCALE TLXLJ 016 PIT OSOS FRONT 6 REARDESIGNED B GNAW N BY 591K GHOUl/IT INGS SCALED FROMJOSEPH NETS DRAWINGS STATIC SPOilER2 BA SA Ii As VCR continued absence found digging through unpacked box three-views holding up pile junk shop However quick glance through Bs file didnt produce airplane looking knew somewhere could What called Bobby Haights Free Flight Scale model flashed through mindwhat its name Finally came Columbia Sure enough filed under Cs set sun-aged blueprints ordered years ago Joseph Nieto great drawingsinternal external de tails color info nicely done 3A-in/l-ft scale Columbia specially built Bel lanca huge fuel capacity designed set duration distance records fact owners Charles Levine Clarence Cham berlin planned make aviation history new airplane flying nonstop frorr New York Paris beaten out b3 Lindbergh just few days Undaunted aviators decided modify routc flying New York Berlin fellow pilot Bert Acosta Chamber lin crossed Atlantic June 4 1927 Four thousand four hundred miles later thc Columbia ran out fuel made forcei landing village called Heifta just out side Eisleben Germany aviators Left large upper hatch allows easy access servos wing-retaining rubberbands can see servos pushrods tached under aft thread-wrapped wing wire brace Note rubberbands hooksan old Free Flight trick Right main components covered ready final assembly Check surfacesincluding strutsfor warps iron out might find Make sure wing washout correct Note two sets strutsright left front back rn Bellanca no two struts same 36 Modei Aviation 1Left Futaba microservos almost lost inside cavernous cabin area Note thread wrapping landing gear wires aft wins wire brace Also note ample gusseting structure Right Small lightweight control horns link elevator rudder pushrods simple S-bend Both exit same side keep other side clean Clevis pins shown plans make adjustment easier Left Cox Black Widow gives lot power its small weight Just protruding left air cooling hole fuel tank overflow tube engine well concealed yet cowl shaped Its easy slip glow connector off Right Very wide wing struts wer4 trademark Bellanca company its heyday strut attachment designed absorb enough shock keep model breakinj rough landings Spring wheel retainers work great add very little weight Williams Brothers manufactures 21/2-in Golden Age wheels TAIBI _____________ Y448 4TYa FAl TI 364W 3/B-INCH3648 I/Ax 1/60611 BALSA WOOD1/6 x 3/16Ii15 sTICKS1/A x 1/41317 1/Ax 3/81621 1/16-INCH36II i/Ax 1/21724 1116 x 1/16061/A x 3/42533 116 x 3/32073/lA-INCH3648 1/16 x 1/A0611 1/16 x 3/160913 3/18 x 3/161317 1/IA x 1/41015 3/16 x 1/41418 1/16 x 3/61317 3/16 x 3/61621 1/16 x 1/2IA20 3/16 x 1/21625 1/16 x 3/42126 3/16 x 3/42A36 3/22-INCH3648 1/4-INCH3646 3/32x3/3206111/4x1/41621 3/32 x 1/A0913 1/4 x 3/A1625 3/32 x 3/161015 1/4 x 1/22129 3/32 x 1/41316 1/4 x 3/43142 3/32x3/A1419 3/32 x 1/21621 6/lA-INCH3646 3/32 x 3/42431 5/16 x 5/162027 DxxbIe Baixa Wxxd5/16 x 3/62230 Pricex Fxr Spxce6/16 x 1/22736 xxd Axxxwxx4 Stickx 5/lA x 3/43992 3/A x 3/62737 3/Ax 1/23041 3/Ax3/44460 1/2-INCH3648 1/2 x 1/23749 1/2 x 3/40270 TRIANGULAR CUT BALSA 1/4x1/4x3624 3/Ax3/6x3629 1/2x1/2x3037 3/4x3/4x3647 1x1x3661 BALSA PLANKS 3/4x3x36176 1x2x36164 1x3x30230 1x4x30303 2x2x36230 2x3x36329 2x4x30464 3x3x30490 3x4x36660 BALSA SHEETS 1-INCH3W46 1/lAxi2736 3/32 x 13040 I/A xl3344 3/16 xl3749 1/4 x 14157 3/6 x 15372 l/2x16968 2-INCH3646 1/32x23040 1/16x23649 3/32 x 24154 1/6x24660 3/16 x 25472 1/4x26364 113190 1/2277 103 3-INCH3646 1/32x34063 1/16x34358 3/32 x 35270 1/6x36060 3/16 x 37295 1/4x364112 5/16x3103134 3/Ax3130160 1/2x3150200 4-INCH3648 1/32x46567 1/16x473101 3/32 x 462109 1/6x495126 3/16x4114151 1/4x4131193 3/6x4162271 1/2 x 4219325 BIRCH PLYWOOD 1/64x12x121621/4x6x1274 1/64x12x24364I/4x12x12146 1/64 x 12x467261/4 x 12x 24293 1/64 x 48 x 4829121/4 x 12 x 48565 1/32x6x12603/6x12x12160 1/32x12x121193/Ax12x24360 1/32x 12 x 242373/Ax 12 x 48720 I/32x12x48473 1/2x12x12202 1/16x6x1259I/2x12x24405 1/16x12x 121171/2x 12x48806 1/16 x 12 x 24234 1/16 x 12 x 48466 3/32 x 6 x 1291LITE PLYWOOD 3/32x12x12161 3/32 x 12x 24362 1/Ax 12 x 1256 3/32x12x48723 1/6x12x24112 1/Axl2x4A224 1/6x6x12100 1/Ax 12 x 12196 1/Ax 12 x 24397TAPEREDTRAILING 1/Ax 12 x 48764 EDGE3646 3/16x6x12741/Axl/22230 3/16 x 12 x 12146 3/16 x 3/42940 3/16 x 12 x 24293 1/Ax I4255 3/16 x 12 x 48565 5/16 x 14461 3/Axl5272 * OPEN TO THE PUBLIC * Superior Aircraft Materials 12020-G Centralia iian Gardens California 90716 865-3220 Handling Charge -$500 $300 COD mum Order $2000 FO9 Factory accept Personal checks COD fornia Residents add 6% Sales Tax ew Berlin after refueling During exciting years after Lind ergh feat its own promising begin ing Columbia went log iore flights set additional records Af r changing owners several times airlane came untimely end urned 1935 hangar fire New Castle grace beauty design y aviation history booksand ow local field After studying old blueprints de ided build Columbia Schoolyard cale proportions Using size area f Cessna C-37 starting point e help calculator worked out umbers scale presented arti le wealth markings details uaranteed good-looking somewhat nusual model luck would ly RC least Id have attractive ew Free Flight ship flying field ionstruction As building proj cts time well spent studying accom anying plans pictures Columbia very simple model few new wists fuselage basically old-fashioned stick-and-tissue construction addi tion few formers nose produce rounded cowl section Begin cutting out cabin top sides medium-tohard /I6 balsa sheet Match up sides carefully locate drill holes wing wires rubberbands Pin sides plans pin down upper lower longerons Pin down short strip under cabin windows remaining uprights did good job fitting pieces glue CyA cyanoacrylate allow cure Once first side finished cover sheet wax paper build sec ond side over Make sure wing wire holes line up before start gluing sides must match up ensure proper align ment later After glue has set lift sides plans join crossmem bers Begin beveling applying CyA tail posts Draw sides together CyA crossmember station D pull nose together add remain ing crossmembers Check proceed make sure fuselage square evenly tapering viewed top Cut out install formers section B Cut out install firewall Bend landing gear wires sew proper crossmembers Gather units axle bind fine copper wire solder together Dont forget sew wing strut joiners land ing gear struts Cut pile gussets install wherever think theyll help Plank nose extending A2 sheet fire wall front landing gear strut top sides bottom found soaking outside sheeting hot water spray bottle helped curve sheet around corners Add /16 sheet rear windows pushrods stabilizer mounts cowl may formed either four trapezoidshaped sheets -in balsa triangle blocks corners single block balsa Carve fit cowl Tack glue firewall model cement have shape approximately right pop cowl off hollow clear engineContinued page 38 THERMAL CHARGER what looking electric sailplane good looks easy build fun fly great performance Thermal Charger Wing Span Wing Area Motor Included 60 Inches 545 Sq Inches Leisure 05 Electric fl PRECISION PRODUCTS INC 714 592-5144 510 E Arrow Highway San Dimas CA 91773 March 1990 37 durable skis made lightweight aluminum feature steel spring holds ski rigid flight also elevates axle above ski no modifications cur rent gear wire needed can go wheels akis seconds side ski also has special edge stows excellent tracking icy surfaces are-available two sizes can purchased trikes just mains order please send check money order $300 shipping handling Add 6% sales tax Minnesota Allow 2 weeks delivery Telephone inquiries call Ron 612-781-7333 NORTHERN 20 30 Trike $2200 Mains $1600 MODELING 40 80 Trike $2400 Mains $1800 PRODUCTSPrices effective January 11990 PO Box 21181 ColumbIa Height MN 56421 781-7333 Mount engine cut openings cowl can slipped piece over engine Drill two holes cowl retaining screws Soak holes CyA install cowl glue dry Finish sand fuselage Install landing gear fairings sand shape Install sand hatch cover hinged cover top fuselage MonoKote covering Two small sheet metal screws keep closed rear shown photos Tail surfaces Begin cutting form stabilizer tip cut three strips A0 x /2 x 6 long soaked hot water few minutes Wax form edges white crayon Run strips between fingers take out water rids excess water also gives little prebend Apply light coat white glue side strip before stacking next Repeat un til three strips soaking mess fingers begin forming process Holding end strips against trailing edge form pull strips around form Use enough tension force some excess water glue out strips much break Af ter strips wrapped around form secure pins tape until theyre dry Since formed tip /2 wide have room sand both top bottom smooth before carefully slicing two L LIWESC s d It, is33a a 24 -20 107 18 14 12 10 -in-wide tips Sand tip down Y16 pin plans Cut out /6 sheet parts start pin ning stabilizer plan CyA joints allow cure Repeat same procedure rudder fin except use A-in balsa Make sure use hard balsa sheet parts control horns attach give balsa attachment area light coat CyA strengthening Sand edges well pre pare covering Join elevators wire connector set assem bly aside covering Wing Select medium-firm straight grained balsa strips spars lead ing edges trailing edge strip will need stripped 34 top bot tom wing Since ribs except tip ribs same shape different thicknesses stack cutting band saw ensures uniformity Set four /32 ribs two 4-in ones together lining up carefully drill holes wing tubes once Pin main bottom spar rear spar bottom trailing edge plans Accurately position upper ribs over spars glue joint Add leading trailing edges top spars Lift wing plan install wing tubes gussets Add plywood strut mounts along 5951170 3 PAlMS - PIloaqixi -Lpesslwe-1uIp 53921* UsSHh1D 2145 53914 Spat Span Spas 933,Sea -S11/fight -46901gM 499 Height375 .I-N 157155 R 1575 Se5 1433tA/tai L75lap ii69 SSpee 19II\IS Ri- -275S Spec212 SStaa- 5311YG -16 ea. SU K iarea-im 1-0515 Si--269 ~1 Nfia Si-ta214 drjvea 54 taetIeet Falooq Up . thddg epeed 1 -III. . 110 wire hooks sheeting sandwich between Try fit win wires fuselage wings Adjust align ment carefully necessary Since align ment sets incidence wing twist etc its important make sure everythin squares up viewed top front both sides rear youre satisfie fit bind install wires mt fuselage Remove wings pre pare covering Now down details Make th dummy engine either scrap wood o Williams Bros kit Cut out win1 struts sand prepare fin ishing Its best mount servos fit tht pushrods before covering model whil can still reach through sides wait ed until after covering ended up doing lot building tweezers Use favorite method everyone seems hay mounting servos screwed th servos two beams positione across fuselage battery pack can b fitted rear firewall re ceiver positioned just behind Make up pushrods shown th plans Adjust length stick th wires liking Pin together eleva tor stabilizer rudder fin pin place fuselage tach control horns fit pushrod Which Thermal Competition Glider Would Rather Flying Surprised nearly 26 1 [ID Yes according results Selig/Donovan/Fraser Princeton wind tunnel tests published Soartech ty LOVESONG mightier ever adding trip turbulator 1/8 wide 020 thick 20% chord Eppler 214 airfoil has become killer thermal airfoil 90s unprece dented performance boost puts PIXY CAMANO & LOVESONG farther ahead Ups up competition Best Designs Airfoil Performance can buy multichannel glider kits Send 2 stamps new catalog bi-annual newsletter Second Wind now available $200 per year DODGSON DESIGNS 21230 Damson Rd Bothell WA 98021 206776-8067 38 Model Aviation
Edition: Model Aviation - 1990/03
Page Numbers: 32, 33, 34, 35, 36, 37, 38
p -w I q Back 1927 Chamberlin copilot Acosta gotter away just few days earlier Bellanca Columbia mighi have Lindbergh Spirit St Louis nobody re members today Columbia went set records its own though heady days after Lindbergh pointed way Thu model makes unusual easy-to-build great-flying RC School yard Scale project thats perfect Black Widow 049 engine rap Bellanca shown finished ready fly color scheme duplicates orig inal Columbia fuselage done MonoKate dull silver wings white black Geo-Type lettering available local art supply store struts fairings pa tience order day covering model Above Another view unusual ship has 40-in wingspan enough scale detail make craftsman happy Build light about 11 oz best performanceIts basically Free Flight designed fly itself Modern RC gear adds 3 4 oz weight sacrificing very little its fine Free Flight char acteristics performance has two-channel control can hand-launched ROG 32 Model Aviation GETTING INTO Radio Control ol things Id managed put off years first place just too ex pensive time next best excuse equipment too heavya Free Flighter hates add weight mod el assorted other excuses kept RC bay good 20 years fall 1988 came end local club put model display mall members showed beautiful version Don Srulls Cessna C-37 immediately took fancy Right away knew build RC Cess nas After finding reading through Don Srulls article C-37 November 1986 Model Aviation began investigating small RC sets market Fu tabas 1991 4NBL came out priced just over hundred bucks sold time get building problem Ive never able build someone elses designs No matter great still spend much time changing things might well U e started scratch So luie essna waned lure RC however ques full-size airplane model would first Scale RC ra getting good workout Glid model would have high-wing nonoplane Searching through piles prospective de first candidate caught eye Spirit St Louis problem nose moment the tailold Free Flight Scale habits hard break light came Late Friday night Id stayed up ideotape Spirit St Louis being television Watching story un- Just few days after being beaten out Lindberghs historic flight Clarence Chamberlin make hasty change destination Deciding Berlin Bert Acosta lifted --l caught up scene off Columbia June 41927 Just 108 miles short goal ran out fuel Stewart trying buy Bel- landed field near Elsleben Germany Columbia went set aviation rec hands beautiful ords before finally being destroyed hangar fire 1935 Building historical Golden Age er-and-white model models excellent way relive aviation history renew understanding past Left Columbias roots Pacemaker line quite evident especially front lifting fuselage distinctive windshield lifti struts make clean efficient aircraft Right above behind Bellanca shows just clean areas outscale structure modified lightness Without ailerons small amount washout helps keep wings level Left dummy radial engine cylinders add authentic detail model spinner scale show blocks cooling air intake Note modified Z-bends base wing struts Right Small nylon landing gear clips enlisted anchor wing struts wing rubberband struts pulls together locks clips mounted wing Since wing dihedral established length struts builder must exercise great care cutting trimming struts precisely possible March 1990 33 Most radial-engined airplanes dont offer long nose moment feature has great deal models good balance large unique rudder shape designed lust Columbia adds singular charm airplane Right Chamberlin got mile advertising extensive lettering original simplified model cut out MonoKote Trim Sheet precut varieties vinyl lettering market dont care cut own Notice quick-release wing struts facilitate wing removal q / p1 0 x 2 C / / I-n __fll pl m N aq T 1/ 34 Model Aviation 3/4 DIHEDRAL PER TIPVIK PLY STRUTMTSI/4S5 LEWHITE WINGS-BLACK MIMBERS WRES SOW CH W M SHY S 32 MW %HKRES 1/9 50 SPARS1/32 U 314 TE3 32 05 ALUM TUBES AUSSE WEI/N WAm4 OUT BOTH TIZ I/IAMW STRUT CTIP RIBS MABA 2 OF I/HTUBAS RUB WIRES=FIlTINUS 4 NESS -CI/G53/RMAIN RIB PATTERN 20SF3/32 MAIl SPAR I/AMW BOSEV16 FORMERSL FITTINGS BLOCK -A-I/H 0 3/IA RIBSI/IA MW3/ASS TEB SPARSLAM TIPS 5-I/25STRIPS 3/16 591 CARVE TO ARFOIL SECTION 1/1K DHTI/4HARO FIREWALL RUBBER BANDS HOLD I/4PIY ENUKAK MTVIATOP SHEETINGN3IAHABO BALSATHREADED BOO I/INUN I/U MW WING JOAJER S 1/32 P12 HATOWRAP TO CROSS MEMBER WITh REAR LA STRUT MAIN 2 STRUT 1 F D GIlD B SOLDER ASSEMBLU 6 OPESTENSIOR WKAEU U N PRIBARETOO HPEKI t--r o~ CYLINDERSSPARK IF jI 121AM ENGRE UNSERS MUXE N cn oUWTO FITCOUB KASOWEMITSS/32PLY SKD D 04N WITH 40 PROP2 -[zNPROP BODE SOWNIWAILNI TUBE THRUSTS I/U ATWELS192 BALLAJHCA COLIAIBIA NC SCHOOL TARS SCALE TLXLJ 016 PIT OSOS FRONT 6 REARDESIGNED B GNAW N BY 591K GHOUl/IT INGS SCALED FROMJOSEPH NETS DRAWINGS STATIC SPOilER2 BA SA Ii As VCR continued absence found digging through unpacked box three-views holding up pile junk shop However quick glance through Bs file didnt produce airplane looking knew somewhere could What called Bobby Haights Free Flight Scale model flashed through mindwhat its name Finally came Columbia Sure enough filed under Cs set sun-aged blueprints ordered years ago Joseph Nieto great drawingsinternal external de tails color info nicely done 3A-in/l-ft scale Columbia specially built Bel lanca huge fuel capacity designed set duration distance records fact owners Charles Levine Clarence Cham berlin planned make aviation history new airplane flying nonstop frorr New York Paris beaten out b3 Lindbergh just few days Undaunted aviators decided modify routc flying New York Berlin fellow pilot Bert Acosta Chamber lin crossed Atlantic June 4 1927 Four thousand four hundred miles later thc Columbia ran out fuel made forcei landing village called Heifta just out side Eisleben Germany aviators Left large upper hatch allows easy access servos wing-retaining rubberbands can see servos pushrods tached under aft thread-wrapped wing wire brace Note rubberbands hooksan old Free Flight trick Right main components covered ready final assembly Check surfacesincluding strutsfor warps iron out might find Make sure wing washout correct Note two sets strutsright left front back rn Bellanca no two struts same 36 Modei Aviation 1Left Futaba microservos almost lost inside cavernous cabin area Note thread wrapping landing gear wires aft wins wire brace Also note ample gusseting structure Right Small lightweight control horns link elevator rudder pushrods simple S-bend Both exit same side keep other side clean Clevis pins shown plans make adjustment easier Left Cox Black Widow gives lot power its small weight Just protruding left air cooling hole fuel tank overflow tube engine well concealed yet cowl shaped Its easy slip glow connector off Right Very wide wing struts wer4 trademark Bellanca company its heyday strut attachment designed absorb enough shock keep model breakinj rough landings Spring wheel retainers work great add very little weight Williams Brothers manufactures 21/2-in Golden Age wheels TAIBI _____________ Y448 4TYa FAl TI 364W 3/B-INCH3648 I/Ax 1/60611 BALSA WOOD1/6 x 3/16Ii15 sTICKS1/A x 1/41317 1/Ax 3/81621 1/16-INCH36II i/Ax 1/21724 1116 x 1/16061/A x 3/42533 116 x 3/32073/lA-INCH3648 1/16 x 1/A0611 1/16 x 3/160913 3/18 x 3/161317 1/IA x 1/41015 3/16 x 1/41418 1/16 x 3/61317 3/16 x 3/61621 1/16 x 1/2IA20 3/16 x 1/21625 1/16 x 3/42126 3/16 x 3/42A36 3/22-INCH3648 1/4-INCH3646 3/32x3/3206111/4x1/41621 3/32 x 1/A0913 1/4 x 3/A1625 3/32 x 3/161015 1/4 x 1/22129 3/32 x 1/41316 1/4 x 3/43142 3/32x3/A1419 3/32 x 1/21621 6/lA-INCH3646 3/32 x 3/42431 5/16 x 5/162027 DxxbIe Baixa Wxxd5/16 x 3/62230 Pricex Fxr Spxce6/16 x 1/22736 xxd Axxxwxx4 Stickx 5/lA x 3/43992 3/A x 3/62737 3/Ax 1/23041 3/Ax3/44460 1/2-INCH3648 1/2 x 1/23749 1/2 x 3/40270 TRIANGULAR CUT BALSA 1/4x1/4x3624 3/Ax3/6x3629 1/2x1/2x3037 3/4x3/4x3647 1x1x3661 BALSA PLANKS 3/4x3x36176 1x2x36164 1x3x30230 1x4x30303 2x2x36230 2x3x36329 2x4x30464 3x3x30490 3x4x36660 BALSA SHEETS 1-INCH3W46 1/lAxi2736 3/32 x 13040 I/A xl3344 3/16 xl3749 1/4 x 14157 3/6 x 15372 l/2x16968 2-INCH3646 1/32x23040 1/16x23649 3/32 x 24154 1/6x24660 3/16 x 25472 1/4x26364 113190 1/2277 103 3-INCH3646 1/32x34063 1/16x34358 3/32 x 35270 1/6x36060 3/16 x 37295 1/4x364112 5/16x3103134 3/Ax3130160 1/2x3150200 4-INCH3648 1/32x46567 1/16x473101 3/32 x 462109 1/6x495126 3/16x4114151 1/4x4131193 3/6x4162271 1/2 x 4219325 BIRCH PLYWOOD 1/64x12x121621/4x6x1274 1/64x12x24364I/4x12x12146 1/64 x 12x467261/4 x 12x 24293 1/64 x 48 x 4829121/4 x 12 x 48565 1/32x6x12603/6x12x12160 1/32x12x121193/Ax12x24360 1/32x 12 x 242373/Ax 12 x 48720 I/32x12x48473 1/2x12x12202 1/16x6x1259I/2x12x24405 1/16x12x 121171/2x 12x48806 1/16 x 12 x 24234 1/16 x 12 x 48466 3/32 x 6 x 1291LITE PLYWOOD 3/32x12x12161 3/32 x 12x 24362 1/Ax 12 x 1256 3/32x12x48723 1/6x12x24112 1/Axl2x4A224 1/6x6x12100 1/Ax 12 x 12196 1/Ax 12 x 24397TAPEREDTRAILING 1/Ax 12 x 48764 EDGE3646 3/16x6x12741/Axl/22230 3/16 x 12 x 12146 3/16 x 3/42940 3/16 x 12 x 24293 1/Ax I4255 3/16 x 12 x 48565 5/16 x 14461 3/Axl5272 * OPEN TO THE PUBLIC * Superior Aircraft Materials 12020-G Centralia iian Gardens California 90716 865-3220 Handling Charge -$500 $300 COD mum Order $2000 FO9 Factory accept Personal checks COD fornia Residents add 6% Sales Tax ew Berlin after refueling During exciting years after Lind ergh feat its own promising begin ing Columbia went log iore flights set additional records Af r changing owners several times airlane came untimely end urned 1935 hangar fire New Castle grace beauty design y aviation history booksand ow local field After studying old blueprints de ided build Columbia Schoolyard cale proportions Using size area f Cessna C-37 starting point e help calculator worked out umbers scale presented arti le wealth markings details uaranteed good-looking somewhat nusual model luck would ly RC least Id have attractive ew Free Flight ship flying field ionstruction As building proj cts time well spent studying accom anying plans pictures Columbia very simple model few new wists fuselage basically old-fashioned stick-and-tissue construction addi tion few formers nose produce rounded cowl section Begin cutting out cabin top sides medium-tohard /I6 balsa sheet Match up sides carefully locate drill holes wing wires rubberbands Pin sides plans pin down upper lower longerons Pin down short strip under cabin windows remaining uprights did good job fitting pieces glue CyA cyanoacrylate allow cure Once first side finished cover sheet wax paper build sec ond side over Make sure wing wire holes line up before start gluing sides must match up ensure proper align ment later After glue has set lift sides plans join crossmem bers Begin beveling applying CyA tail posts Draw sides together CyA crossmember station D pull nose together add remain ing crossmembers Check proceed make sure fuselage square evenly tapering viewed top Cut out install formers section B Cut out install firewall Bend landing gear wires sew proper crossmembers Gather units axle bind fine copper wire solder together Dont forget sew wing strut joiners land ing gear struts Cut pile gussets install wherever think theyll help Plank nose extending A2 sheet fire wall front landing gear strut top sides bottom found soaking outside sheeting hot water spray bottle helped curve sheet around corners Add /16 sheet rear windows pushrods stabilizer mounts cowl may formed either four trapezoidshaped sheets -in balsa triangle blocks corners single block balsa Carve fit cowl Tack glue firewall model cement have shape approximately right pop cowl off hollow clear engineContinued page 38 THERMAL CHARGER what looking electric sailplane good looks easy build fun fly great performance Thermal Charger Wing Span Wing Area Motor Included 60 Inches 545 Sq Inches Leisure 05 Electric fl PRECISION PRODUCTS INC 714 592-5144 510 E Arrow Highway San Dimas CA 91773 March 1990 37 durable skis made lightweight aluminum feature steel spring holds ski rigid flight also elevates axle above ski no modifications cur rent gear wire needed can go wheels akis seconds side ski also has special edge stows excellent tracking icy surfaces are-available two sizes can purchased trikes just mains order please send check money order $300 shipping handling Add 6% sales tax Minnesota Allow 2 weeks delivery Telephone inquiries call Ron 612-781-7333 NORTHERN 20 30 Trike $2200 Mains $1600 MODELING 40 80 Trike $2400 Mains $1800 PRODUCTSPrices effective January 11990 PO Box 21181 ColumbIa Height MN 56421 781-7333 Mount engine cut openings cowl can slipped piece over engine Drill two holes cowl retaining screws Soak holes CyA install cowl glue dry Finish sand fuselage Install landing gear fairings sand shape Install sand hatch cover hinged cover top fuselage MonoKote covering Two small sheet metal screws keep closed rear shown photos Tail surfaces Begin cutting form stabilizer tip cut three strips A0 x /2 x 6 long soaked hot water few minutes Wax form edges white crayon Run strips between fingers take out water rids excess water also gives little prebend Apply light coat white glue side strip before stacking next Repeat un til three strips soaking mess fingers begin forming process Holding end strips against trailing edge form pull strips around form Use enough tension force some excess water glue out strips much break Af ter strips wrapped around form secure pins tape until theyre dry Since formed tip /2 wide have room sand both top bottom smooth before carefully slicing two L LIWESC s d It, is33a a 24 -20 107 18 14 12 10 -in-wide tips Sand tip down Y16 pin plans Cut out /6 sheet parts start pin ning stabilizer plan CyA joints allow cure Repeat same procedure rudder fin except use A-in balsa Make sure use hard balsa sheet parts control horns attach give balsa attachment area light coat CyA strengthening Sand edges well pre pare covering Join elevators wire connector set assem bly aside covering Wing Select medium-firm straight grained balsa strips spars lead ing edges trailing edge strip will need stripped 34 top bot tom wing Since ribs except tip ribs same shape different thicknesses stack cutting band saw ensures uniformity Set four /32 ribs two 4-in ones together lining up carefully drill holes wing tubes once Pin main bottom spar rear spar bottom trailing edge plans Accurately position upper ribs over spars glue joint Add leading trailing edges top spars Lift wing plan install wing tubes gussets Add plywood strut mounts along 5951170 3 PAlMS - PIloaqixi -Lpesslwe-1uIp 53921* UsSHh1D 2145 53914 Spat Span Spas 933,Sea -S11/fight -46901gM 499 Height375 .I-N 157155 R 1575 Se5 1433tA/tai L75lap ii69 SSpee 19II\IS Ri- -275S Spec212 SStaa- 5311YG -16 ea. SU K iarea-im 1-0515 Si--269 ~1 Nfia Si-ta214 drjvea 54 taetIeet Falooq Up . thddg epeed 1 -III. . 110 wire hooks sheeting sandwich between Try fit win wires fuselage wings Adjust align ment carefully necessary Since align ment sets incidence wing twist etc its important make sure everythin squares up viewed top front both sides rear youre satisfie fit bind install wires mt fuselage Remove wings pre pare covering Now down details Make th dummy engine either scrap wood o Williams Bros kit Cut out win1 struts sand prepare fin ishing Its best mount servos fit tht pushrods before covering model whil can still reach through sides wait ed until after covering ended up doing lot building tweezers Use favorite method everyone seems hay mounting servos screwed th servos two beams positione across fuselage battery pack can b fitted rear firewall re ceiver positioned just behind Make up pushrods shown th plans Adjust length stick th wires liking Pin together eleva tor stabilizer rudder fin pin place fuselage tach control horns fit pushrod Which Thermal Competition Glider Would Rather Flying Surprised nearly 26 1 [ID Yes according results Selig/Donovan/Fraser Princeton wind tunnel tests published Soartech ty LOVESONG mightier ever adding trip turbulator 1/8 wide 020 thick 20% chord Eppler 214 airfoil has become killer thermal airfoil 90s unprece dented performance boost puts PIXY CAMANO & LOVESONG farther ahead Ups up competition Best Designs Airfoil Performance can buy multichannel glider kits Send 2 stamps new catalog bi-annual newsletter Second Wind now available $200 per year DODGSON DESIGNS 21230 Damson Rd Bothell WA 98021 206776-8067 38 Model Aviation
Edition: Model Aviation - 1990/03
Page Numbers: 32, 33, 34, 35, 36, 37, 38
p -w I q Back 1927 Chamberlin copilot Acosta gotter away just few days earlier Bellanca Columbia mighi have Lindbergh Spirit St Louis nobody re members today Columbia went set records its own though heady days after Lindbergh pointed way Thu model makes unusual easy-to-build great-flying RC School yard Scale project thats perfect Black Widow 049 engine rap Bellanca shown finished ready fly color scheme duplicates orig inal Columbia fuselage done MonoKate dull silver wings white black Geo-Type lettering available local art supply store struts fairings pa tience order day covering model Above Another view unusual ship has 40-in wingspan enough scale detail make craftsman happy Build light about 11 oz best performanceIts basically Free Flight designed fly itself Modern RC gear adds 3 4 oz weight sacrificing very little its fine Free Flight char acteristics performance has two-channel control can hand-launched ROG 32 Model Aviation GETTING INTO Radio Control ol things Id managed put off years first place just too ex pensive time next best excuse equipment too heavya Free Flighter hates add weight mod el assorted other excuses kept RC bay good 20 years fall 1988 came end local club put model display mall members showed beautiful version Don Srulls Cessna C-37 immediately took fancy Right away knew build RC Cess nas After finding reading through Don Srulls article C-37 November 1986 Model Aviation began investigating small RC sets market Fu tabas 1991 4NBL came out priced just over hundred bucks sold time get building problem Ive never able build someone elses designs No matter great still spend much time changing things might well U e started scratch So luie essna waned lure RC however ques full-size airplane model would first Scale RC ra getting good workout Glid model would have high-wing nonoplane Searching through piles prospective de first candidate caught eye Spirit St Louis problem nose moment the tailold Free Flight Scale habits hard break light came Late Friday night Id stayed up ideotape Spirit St Louis being television Watching story un- Just few days after being beaten out Lindberghs historic flight Clarence Chamberlin make hasty change destination Deciding Berlin Bert Acosta lifted --l caught up scene off Columbia June 41927 Just 108 miles short goal ran out fuel Stewart trying buy Bel- landed field near Elsleben Germany Columbia went set aviation rec hands beautiful ords before finally being destroyed hangar fire 1935 Building historical Golden Age er-and-white model models excellent way relive aviation history renew understanding past Left Columbias roots Pacemaker line quite evident especially front lifting fuselage distinctive windshield lifti struts make clean efficient aircraft Right above behind Bellanca shows just clean areas outscale structure modified lightness Without ailerons small amount washout helps keep wings level Left dummy radial engine cylinders add authentic detail model spinner scale show blocks cooling air intake Note modified Z-bends base wing struts Right Small nylon landing gear clips enlisted anchor wing struts wing rubberband struts pulls together locks clips mounted wing Since wing dihedral established length struts builder must exercise great care cutting trimming struts precisely possible March 1990 33 Most radial-engined airplanes dont offer long nose moment feature has great deal models good balance large unique rudder shape designed lust Columbia adds singular charm airplane Right Chamberlin got mile advertising extensive lettering original simplified model cut out MonoKote Trim Sheet precut varieties vinyl lettering market dont care cut own Notice quick-release wing struts facilitate wing removal q / p1 0 x 2 C / / I-n __fll pl m N aq T 1/ 34 Model Aviation 3/4 DIHEDRAL PER TIPVIK PLY STRUTMTSI/4S5 LEWHITE WINGS-BLACK MIMBERS WRES SOW CH W M SHY S 32 MW %HKRES 1/9 50 SPARS1/32 U 314 TE3 32 05 ALUM TUBES AUSSE WEI/N WAm4 OUT BOTH TIZ I/IAMW STRUT CTIP RIBS MABA 2 OF I/HTUBAS RUB WIRES=FIlTINUS 4 NESS -CI/G53/RMAIN RIB PATTERN 20SF3/32 MAIl SPAR I/AMW BOSEV16 FORMERSL FITTINGS BLOCK -A-I/H 0 3/IA RIBSI/IA MW3/ASS TEB SPARSLAM TIPS 5-I/25STRIPS 3/16 591 CARVE TO ARFOIL SECTION 1/1K DHTI/4HARO FIREWALL RUBBER BANDS HOLD I/4PIY ENUKAK MTVIATOP SHEETINGN3IAHABO BALSATHREADED BOO I/INUN I/U MW WING JOAJER S 1/32 P12 HATOWRAP TO CROSS MEMBER WITh REAR LA STRUT MAIN 2 STRUT 1 F D GIlD B SOLDER ASSEMBLU 6 OPESTENSIOR WKAEU U N PRIBARETOO HPEKI t--r o~ CYLINDERSSPARK IF jI 121AM ENGRE UNSERS MUXE N cn oUWTO FITCOUB KASOWEMITSS/32PLY SKD D 04N WITH 40 PROP2 -[zNPROP BODE SOWNIWAILNI TUBE THRUSTS I/U ATWELS192 BALLAJHCA COLIAIBIA NC SCHOOL TARS SCALE TLXLJ 016 PIT OSOS FRONT 6 REARDESIGNED B GNAW N BY 591K GHOUl/IT INGS SCALED FROMJOSEPH NETS DRAWINGS STATIC SPOilER2 BA SA Ii As VCR continued absence found digging through unpacked box three-views holding up pile junk shop However quick glance through Bs file didnt produce airplane looking knew somewhere could What called Bobby Haights Free Flight Scale model flashed through mindwhat its name Finally came Columbia Sure enough filed under Cs set sun-aged blueprints ordered years ago Joseph Nieto great drawingsinternal external de tails color info nicely done 3A-in/l-ft scale Columbia specially built Bel lanca huge fuel capacity designed set duration distance records fact owners Charles Levine Clarence Cham berlin planned make aviation history new airplane flying nonstop frorr New York Paris beaten out b3 Lindbergh just few days Undaunted aviators decided modify routc flying New York Berlin fellow pilot Bert Acosta Chamber lin crossed Atlantic June 4 1927 Four thousand four hundred miles later thc Columbia ran out fuel made forcei landing village called Heifta just out side Eisleben Germany aviators Left large upper hatch allows easy access servos wing-retaining rubberbands can see servos pushrods tached under aft thread-wrapped wing wire brace Note rubberbands hooksan old Free Flight trick Right main components covered ready final assembly Check surfacesincluding strutsfor warps iron out might find Make sure wing washout correct Note two sets strutsright left front back rn Bellanca no two struts same 36 Modei Aviation 1Left Futaba microservos almost lost inside cavernous cabin area Note thread wrapping landing gear wires aft wins wire brace Also note ample gusseting structure Right Small lightweight control horns link elevator rudder pushrods simple S-bend Both exit same side keep other side clean Clevis pins shown plans make adjustment easier Left Cox Black Widow gives lot power its small weight Just protruding left air cooling hole fuel tank overflow tube engine well concealed yet cowl shaped Its easy slip glow connector off Right Very wide wing struts wer4 trademark Bellanca company its heyday strut attachment designed absorb enough shock keep model breakinj rough landings Spring wheel retainers work great add very little weight Williams Brothers manufactures 21/2-in Golden Age wheels TAIBI _____________ Y448 4TYa FAl TI 364W 3/B-INCH3648 I/Ax 1/60611 BALSA WOOD1/6 x 3/16Ii15 sTICKS1/A x 1/41317 1/Ax 3/81621 1/16-INCH36II i/Ax 1/21724 1116 x 1/16061/A x 3/42533 116 x 3/32073/lA-INCH3648 1/16 x 1/A0611 1/16 x 3/160913 3/18 x 3/161317 1/IA x 1/41015 3/16 x 1/41418 1/16 x 3/61317 3/16 x 3/61621 1/16 x 1/2IA20 3/16 x 1/21625 1/16 x 3/42126 3/16 x 3/42A36 3/22-INCH3648 1/4-INCH3646 3/32x3/3206111/4x1/41621 3/32 x 1/A0913 1/4 x 3/A1625 3/32 x 3/161015 1/4 x 1/22129 3/32 x 1/41316 1/4 x 3/43142 3/32x3/A1419 3/32 x 1/21621 6/lA-INCH3646 3/32 x 3/42431 5/16 x 5/162027 DxxbIe Baixa Wxxd5/16 x 3/62230 Pricex Fxr Spxce6/16 x 1/22736 xxd Axxxwxx4 Stickx 5/lA x 3/43992 3/A x 3/62737 3/Ax 1/23041 3/Ax3/44460 1/2-INCH3648 1/2 x 1/23749 1/2 x 3/40270 TRIANGULAR CUT BALSA 1/4x1/4x3624 3/Ax3/6x3629 1/2x1/2x3037 3/4x3/4x3647 1x1x3661 BALSA PLANKS 3/4x3x36176 1x2x36164 1x3x30230 1x4x30303 2x2x36230 2x3x36329 2x4x30464 3x3x30490 3x4x36660 BALSA SHEETS 1-INCH3W46 1/lAxi2736 3/32 x 13040 I/A xl3344 3/16 xl3749 1/4 x 14157 3/6 x 15372 l/2x16968 2-INCH3646 1/32x23040 1/16x23649 3/32 x 24154 1/6x24660 3/16 x 25472 1/4x26364 113190 1/2277 103 3-INCH3646 1/32x34063 1/16x34358 3/32 x 35270 1/6x36060 3/16 x 37295 1/4x364112 5/16x3103134 3/Ax3130160 1/2x3150200 4-INCH3648 1/32x46567 1/16x473101 3/32 x 462109 1/6x495126 3/16x4114151 1/4x4131193 3/6x4162271 1/2 x 4219325 BIRCH PLYWOOD 1/64x12x121621/4x6x1274 1/64x12x24364I/4x12x12146 1/64 x 12x467261/4 x 12x 24293 1/64 x 48 x 4829121/4 x 12 x 48565 1/32x6x12603/6x12x12160 1/32x12x121193/Ax12x24360 1/32x 12 x 242373/Ax 12 x 48720 I/32x12x48473 1/2x12x12202 1/16x6x1259I/2x12x24405 1/16x12x 121171/2x 12x48806 1/16 x 12 x 24234 1/16 x 12 x 48466 3/32 x 6 x 1291LITE PLYWOOD 3/32x12x12161 3/32 x 12x 24362 1/Ax 12 x 1256 3/32x12x48723 1/6x12x24112 1/Axl2x4A224 1/6x6x12100 1/Ax 12 x 12196 1/Ax 12 x 24397TAPEREDTRAILING 1/Ax 12 x 48764 EDGE3646 3/16x6x12741/Axl/22230 3/16 x 12 x 12146 3/16 x 3/42940 3/16 x 12 x 24293 1/Ax I4255 3/16 x 12 x 48565 5/16 x 14461 3/Axl5272 * OPEN TO THE PUBLIC * Superior Aircraft Materials 12020-G Centralia iian Gardens California 90716 865-3220 Handling Charge -$500 $300 COD mum Order $2000 FO9 Factory accept Personal checks COD fornia Residents add 6% Sales Tax ew Berlin after refueling During exciting years after Lind ergh feat its own promising begin ing Columbia went log iore flights set additional records Af r changing owners several times airlane came untimely end urned 1935 hangar fire New Castle grace beauty design y aviation history booksand ow local field After studying old blueprints de ided build Columbia Schoolyard cale proportions Using size area f Cessna C-37 starting point e help calculator worked out umbers scale presented arti le wealth markings details uaranteed good-looking somewhat nusual model luck would ly RC least Id have attractive ew Free Flight ship flying field ionstruction As building proj cts time well spent studying accom anying plans pictures Columbia very simple model few new wists fuselage basically old-fashioned stick-and-tissue construction addi tion few formers nose produce rounded cowl section Begin cutting out cabin top sides medium-tohard /I6 balsa sheet Match up sides carefully locate drill holes wing wires rubberbands Pin sides plans pin down upper lower longerons Pin down short strip under cabin windows remaining uprights did good job fitting pieces glue CyA cyanoacrylate allow cure Once first side finished cover sheet wax paper build sec ond side over Make sure wing wire holes line up before start gluing sides must match up ensure proper align ment later After glue has set lift sides plans join crossmem bers Begin beveling applying CyA tail posts Draw sides together CyA crossmember station D pull nose together add remain ing crossmembers Check proceed make sure fuselage square evenly tapering viewed top Cut out install formers section B Cut out install firewall Bend landing gear wires sew proper crossmembers Gather units axle bind fine copper wire solder together Dont forget sew wing strut joiners land ing gear struts Cut pile gussets install wherever think theyll help Plank nose extending A2 sheet fire wall front landing gear strut top sides bottom found soaking outside sheeting hot water spray bottle helped curve sheet around corners Add /16 sheet rear windows pushrods stabilizer mounts cowl may formed either four trapezoidshaped sheets -in balsa triangle blocks corners single block balsa Carve fit cowl Tack glue firewall model cement have shape approximately right pop cowl off hollow clear engineContinued page 38 THERMAL CHARGER what looking electric sailplane good looks easy build fun fly great performance Thermal Charger Wing Span Wing Area Motor Included 60 Inches 545 Sq Inches Leisure 05 Electric fl PRECISION PRODUCTS INC 714 592-5144 510 E Arrow Highway San Dimas CA 91773 March 1990 37 durable skis made lightweight aluminum feature steel spring holds ski rigid flight also elevates axle above ski no modifications cur rent gear wire needed can go wheels akis seconds side ski also has special edge stows excellent tracking icy surfaces are-available two sizes can purchased trikes just mains order please send check money order $300 shipping handling Add 6% sales tax Minnesota Allow 2 weeks delivery Telephone inquiries call Ron 612-781-7333 NORTHERN 20 30 Trike $2200 Mains $1600 MODELING 40 80 Trike $2400 Mains $1800 PRODUCTSPrices effective January 11990 PO Box 21181 ColumbIa Height MN 56421 781-7333 Mount engine cut openings cowl can slipped piece over engine Drill two holes cowl retaining screws Soak holes CyA install cowl glue dry Finish sand fuselage Install landing gear fairings sand shape Install sand hatch cover hinged cover top fuselage MonoKote covering Two small sheet metal screws keep closed rear shown photos Tail surfaces Begin cutting form stabilizer tip cut three strips A0 x /2 x 6 long soaked hot water few minutes Wax form edges white crayon Run strips between fingers take out water rids excess water also gives little prebend Apply light coat white glue side strip before stacking next Repeat un til three strips soaking mess fingers begin forming process Holding end strips against trailing edge form pull strips around form Use enough tension force some excess water glue out strips much break Af ter strips wrapped around form secure pins tape until theyre dry Since formed tip /2 wide have room sand both top bottom smooth before carefully slicing two L LIWESC s d It, is33a a 24 -20 107 18 14 12 10 -in-wide tips Sand tip down Y16 pin plans Cut out /6 sheet parts start pin ning stabilizer plan CyA joints allow cure Repeat same procedure rudder fin except use A-in balsa Make sure use hard balsa sheet parts control horns attach give balsa attachment area light coat CyA strengthening Sand edges well pre pare covering Join elevators wire connector set assem bly aside covering Wing Select medium-firm straight grained balsa strips spars lead ing edges trailing edge strip will need stripped 34 top bot tom wing Since ribs except tip ribs same shape different thicknesses stack cutting band saw ensures uniformity Set four /32 ribs two 4-in ones together lining up carefully drill holes wing tubes once Pin main bottom spar rear spar bottom trailing edge plans Accurately position upper ribs over spars glue joint Add leading trailing edges top spars Lift wing plan install wing tubes gussets Add plywood strut mounts along 5951170 3 PAlMS - PIloaqixi -Lpesslwe-1uIp 53921* UsSHh1D 2145 53914 Spat Span Spas 933,Sea -S11/fight -46901gM 499 Height375 .I-N 157155 R 1575 Se5 1433tA/tai L75lap ii69 SSpee 19II\IS Ri- -275S Spec212 SStaa- 5311YG -16 ea. SU K iarea-im 1-0515 Si--269 ~1 Nfia Si-ta214 drjvea 54 taetIeet Falooq Up . thddg epeed 1 -III. . 110 wire hooks sheeting sandwich between Try fit win wires fuselage wings Adjust align ment carefully necessary Since align ment sets incidence wing twist etc its important make sure everythin squares up viewed top front both sides rear youre satisfie fit bind install wires mt fuselage Remove wings pre pare covering Now down details Make th dummy engine either scrap wood o Williams Bros kit Cut out win1 struts sand prepare fin ishing Its best mount servos fit tht pushrods before covering model whil can still reach through sides wait ed until after covering ended up doing lot building tweezers Use favorite method everyone seems hay mounting servos screwed th servos two beams positione across fuselage battery pack can b fitted rear firewall re ceiver positioned just behind Make up pushrods shown th plans Adjust length stick th wires liking Pin together eleva tor stabilizer rudder fin pin place fuselage tach control horns fit pushrod Which Thermal Competition Glider Would Rather Flying Surprised nearly 26 1 [ID Yes according results Selig/Donovan/Fraser Princeton wind tunnel tests published Soartech ty LOVESONG mightier ever adding trip turbulator 1/8 wide 020 thick 20% chord Eppler 214 airfoil has become killer thermal airfoil 90s unprece dented performance boost puts PIXY CAMANO & LOVESONG farther ahead Ups up competition Best Designs Airfoil Performance can buy multichannel glider kits Send 2 stamps new catalog bi-annual newsletter Second Wind now available $200 per year DODGSON DESIGNS 21230 Damson Rd Bothell WA 98021 206776-8067 38 Model Aviation