Delilah

I / Photos author Graphic Design Heather Erdahi 40 Model Aviation 4 f /L2 f twin-020-powered flying boat home air water f looking II model thats versatile II small maneuverable III exciting L....J different Im sure Delilah will fit bill Delilahs 38-inch-span twin-engined flying boat powered Cox Tee Dee 020s Delilahs flighty piece work still handles like thoroughbred some years since built model rolledplywood fuselage type structure came mind looking old copy Radio Control Models Electronics RCM&E photograph model designed called Seastormer Although Seastormer handled very well air ease water Being new flying boats time made fuselage wide enough sufficiently extended nose realized combining several elementsa parasol wing arrangement engines close centerline rolledPlywood fuselage wider beam uselage longer nose momentmight produce pleasant flying boat Water airplanes have always fascinated Designers radio control model aircraft have challenge producing airplane structurally sound flies well Meeting criteria gives enormous amount satisfaction seldom won some problems few changes along way like have everything drawn-out organized before commencing building including location radio equipment linkages fuel tank engine installation However probable during construction parts structure building U David would differently starting again advantage modelers build plans instruction printed magazines Improvements can incorporated final drawings avoid mistakes made prototype some restrictions rolled-plywood structures particularly regard changing widths fuselage design supporting framework However once completed resulting structure extremely strong quite light view experimental nature project decided build small-scale version flying boat before moving larger versions CONSTRUCTION Already Delilah larger Samson few improvements have found during building have incorporated drawings As changes will slightly different some construction photographs will note 1 Constructing fuselage framework front end originally designed somewhat akin building sand castles air provisionally extending spine top formers Fl F2 spot cemented place its much easier construct framework inverted over board Pinning flattopped temporary former end FlO also helps make framework rigid building board 2 Fitting front wing struts undersides engine nacelles little fiddly requiring installation bolts November 1995 41 Boddinqton tank bay secure nylon saddles As fuel tank bay area also fairly tight have extended engine nacelles slightly moved front strut upright nylon saddles could screwed directly underside nacelle plywood fear piercing fuel tank 3 near-danger occurred rudder cables closed-looped control linkage wing struts fitted after fuselage has constructed However early drawing routed cables through V center struts housed As cables have fitted before completion fuselage would have impossible fit rear strut Rerouting cables routing smallbore tubing cured potential disaster General Comments Prepare construction cutting out parts forming struts may think 1/64 plywood very strong model size believe strong enough Adhesives should waterproof variety Cyanoacrylate CyA glue epoxy can also used Waterproofing must thorough Seal elevator pushrod exit silicone rubber sealant apply petroleum jelly metal rod sealant positioned prevent sticking pay special attention front hatch Wing Design airfoil allows building wing panels directly over drawing Start pinning down lower trailing edge rear spar lower main spar followed wing ribs photographs will notice A6 plywood nacelle plate fitted time should have should glued position after wing panel has shaped Glue top trailing edge top main spar leading edge strip ribs root rib angled dihedral Add vertical webbing leading edge center-section sheeting Leave dry before removing board Sand leading edge section carefully cut away leading-edge section back main spars engine nacelle position Glue 1/4 nacelle sides wing panel plus 1A6-inch plywood underside A6 front sheet 3/ triangular top reinforcement /8 plywood engine bulkhead improve singleengine performance advisable include 34O right thrust starboard engine Sew /32 tubing Y16 rear strut mounting plate epoxy CyA around tubing sewing Glue wing panels reinforcing strips balsa File holes ftont engine nacelles fuel-feed tubing fuel proof inside tank bay dry fit /2A fuel tanks fuel feed fitted wedge position balsa scrap Fix top 3/32-inch sheeting rear fairing shape nacelles rounding off corners corners Cut slot top sheeting slide over strut glue formers side Glue /64 plywood undersides add shape nose block Tail Surfaces Select light mediumgrade balsa fin rudder tailplane Use slightly harder grade elevators Glue tips tailplane sand rounding off edges tips Taper rudder elevators drill slot piano wire joiner should epoxied position Fuselage Now interesting bit Although idea using rolledplywood structure would result strong fuselage problem fix wing struts wanted make music wire no way feeding through struts holes sides sewing formers flash inspirationI get about five yearsthe answer came making composite formers strut positions plywood/balsa core/plywood would possible leave V shape top core After completion fuselage slot would cut strut positions struts inserted epoxied held balsa V pieces glued remaining slot am pleased say method has proved very successful results rigid structure also simple operation bend struts Top fixings tubing rear nylon saddles front Mark location formers spine keel pieces pin spine upside down onto drawing board using straight line guide As mentioned previously formers Fl F2 have temporary extensions reach extended spine cut away later Use slow-drying adhesive glue formers spine followed keel Continued page 51 thorough job waterproofing Delilah going water Floats held position bolting float legs between two nylon 900 brackets way degree friction can adjusted secure floats allows knock back hit something Float brackets screwed Lite Ply pieces glued wing ribs spars Wingtips formed sheet gussets Check root ribs panel true fit cut slots rib underside dihedral braces can join panels fitting braces pinning center ribs together propping tip up l/s inch did positioning braces holding panels together clothespins warned however easier introduce misalignment panels way wing now ready final sanding covering Floats Construct side panel ensuring former 900 side Add second side followed laminated strut round off November 1995 43 After top-front spar leading edge have installed add 1/16 leading-edge balsa sheeting music-wire wing strut seats center V fuselage former trapped /32 plywood outer laminate Cut slots strut positions epoxy struts place Filler plugs will sanded flush fuselage /2A fuel tank installed engine nacelle Top sheeting added sanded rounded contour Wet outside plywood skin /2 hour before adding fuselage will help curve wood 44 Model Aviation lah suitable film fabric tissue covering thorough job waterproofing before covering rr pcrj &QLQ Back drawing board Delilah met end mid-air collision 40-powered model Samson November 1995 45 side dry roll water-softened plywood around fuselage attaching slow-drying cement Before bottom plywood attached trim sand sides install rudder elevator linkages Glue formers side float add second side strut top sheet plywood bottom added last WIl/8 SHEWISE 3/32 RIB VIA PLY PLATE I/IA BALSA TOP 8 BOTTOM -5I7-fN ~~~1 ,--~ -lL ------- r -~--- ~II-ti-S---- USSET 3/32ID RINGI/BLITE1/Bs 3/IE1 BINS 81 01EVPLYBALSA BLOT 32- TSP 8 BOYSPARBIB ILJWIiL I/B LI~/A3/321OP PLY4-CJ-I PILL MO SHEETSH5 KJ/UISPBRS___-*- ___ if-it--/ VIA BALSA L E SHEET TOP H BOTTOM 1/16 PLYTROOD 3/32 BIB FRONT DIHEDRAL 1/B SAKESIPIA V4I/2 B IE BLACKBOLTER RIB R1/SUNE WING RIBS YE IBO'L4S3/H SPARS ROOT RIB SIHESRAL REAR DIHEDRALTEMPLATE BRACE VIA PLYWOOD ____ BTH NOTE C T AWAY FEBI/BPLY ENSINE NACELLES AFTERPOBMER THE WINO IS BAILT 8 SHEETED LW PLY ENS MOUNT NACELLE 3/3UBALSA- 4 FL2 I/B PLY FL3 FL4 FLS L32 PLY READ OF F-a 1/B BALSA FOUNT OF F-BA_____ ELEV HORN FIN MUSIC WIREREMOVABLEPORWOD I/H TRI 3/32 BALSA CORE WITH-STOOL VSU PLY OUTER PIECES - WING FLOAT FORMERS NOTE PIN PBOVISIOFLAL FORMER F-9F-IaTO F-IS AS SUPPORT DURING __CONSTRUCTION OF FUSELAGE 1/B BALSA SHEET VB BALSA SHEET- -71-I/U RASAFLI FLU FLS FL-AFL-S BLOCIC1--zr--1—- I/IA BALSA ISHEET TOP 4JzLipzT TOP VIEW 1/16 BALSA WINGFLOATSHEET SIDES 90 NYLONWINS NUT S BOLT ATTACH POINT 1/32 PLY OUTER PIECES WITH I/BLLTE PLY CENTER /2 BALSA BLOCK VIA BALSA SHEET TOP 8 SIDES II I/BA FLYFLIJF1FL4FL-S BOTTOMFL-U FLO illll LRSHEETIq iiSIDE$-.-I- 3/3D RIB YB MOUNT VIA BALSA VENT OBAIN WEB ---- -21 __ iAfti7L -z4 4~ L E IS I/4SI/D BALSA-CARVE N SAND TO SHAPE 3/32 RIBV16BALSA I2\IBPLYVERT OBAIN WINO1/16 PLY FREES IWEB DIHEEBAL BRACE/MINI SADDLE FOB / CLAMPING STRUT NACELLE I/BS 3/IA BALSA MAIN EWE- TOP 8 BOTTOM SLOT FOR FIN STABILI E ________ __________ COCKPIT TEMPLATE I/BS 3/B3/32 BALSA BALSASHEET I/4BALOA SHEET SIDES 3/IAS S/IA 5/BYRI-BALSA I/B PLYSTOOL I/IA FLY COS 020 TEE OREWING TIP ENSPIA -3/32 10 TUBE 5/32 MW NYLON OJP STRUT SPINE EXTENDES DURING CONSTRUCTIORIII ALSO PORMERS F-I 8 F-UI/B4FLY WINDSCREENI 5PLY--'L---- OPTIORAL I/3DHEEFF-3A WIRE CROSS BRACING 3/16 BALSA SHEET I/IA DIG MUSICELEVATOR S/I BALSAWEE LONERIHINGE TO SUITI SHEET ELEVATOR3/IA MED L SHY BALSA SHEET HORN TYPICAL HINGE LOCATIONRUD FIN 3/16 SLOT FOR STABILIZER EU HORS RUDDER CASLESI/A BALSA IN SHALL SALTEl-STOCK TURBO \ I/BS 1/4 BALSA SPINEIIL F IS RUDDER I-ERR BALSASCREW NOSE-- --___--ilL L- - zzzzzzII7z277-7 1~II 3/RB VA SPRUCE RECEIVERMINIIIIiF-S3/32 BALSA I/BS I/A BALSA 9iiiI/BAT -5DBIINOTE FIT RUDDER AFTO SPINEIIiiIIIF-FRCENTERSHEET F-IF-ASTANLIZER ID ATTACKED F-UELEVATOR F SF-AESUBS3/IA BALSAPUSHROSWING SPANSB LORGERONPOWERTWO COO 020 TOS CONTROL ELEV AND RUDDER I/BOOFUSELAGE SIDE VIEW BALSA LONOERONFUSELAGE 9 COVERED WITH 1641/B SO BALSACONTROLMOVEMENTS /IFLYWOOD OMITTED FOR CLARITYLONGERONELEV1/2 UPB SNMODEL AVIATION IRUDDER3/ALT 8 BT /NOTE CUTOUTS FOR SLOTS IN FORMERS AREI/BS I/B BALSADELI LAH X- E~NCFLYINO KEEL I/H KEEL MADE AFTER FUSELAGE IS COMPLETE EPOXY VA S/B / I/H SIDES / I/B PLY FORMER I/IA PLY COS OUO TOENG MOUNT MOUNTING 3/B TRI-STOCK FUEL ENGINE NACELLE FEES FRORT VIEW STRUTS IN POSITION 0IB545B [INKED PLAN BY JOE DEMARCO ALL SIGHTS SHEET COAJPUICYIZCD 5/13/55 SSEYTASBESEHOEDI OP I/B BALSA SHEET WING PLAN NOTE DIHEDHAL IS 1-7/B UNDEB EACH WINS TIP BALSA SHEET WOE SCRAP BALSA FILL DeIiIah/Boddington Continued page 43 pieces l/t x /I6 side stringers I/ square longerons Check angles formers Note FlO has flattopped support pinned outside prevent moving hoard Glue /32 sheet between Fl FlO framework has dried remove building board sand former sides flush stringers longerons spine Cut piece 1/&t plywood 26 inches long grain lengthwise 9 inches wide end center cut out panel 5 inches long 4 inches wide position hatch cockpit Mark l/ line down center plywood glue spine front edge F3 lining up cutout Leave assembly dry Again using slow-drying adhesive glue side plywood frameworkwetting outside plywood half hour before fixing will help curving satisfied side attached framework points except nose Fl near F3 glued later pin side building board leave dry same other side plywood can glued pipned front formers Before bottom plywood attached lower edges sides have trimmed sanded rudder elevator linkages have installed rudder closed loop 20pound-test nylon-covered fishing trace line should routed through narrowgauge nylon tubing used standard pushrod elevator linkage could use snake try select reasonably small diameter3/I6 OD tubing looks wrong exiting small model bottom sheet position nose block can fitted hatch cockpit formed Now time cut slots November 1995 51 WAYNE NEWERT IIURODUCES HIS SECOND IN SERIES OF HIGH-lECH IRE4UILT EXACI4CALE MODELS kit designed diuriminatiuig uale modelers demand THE BEST kit engineering Completely pre fabricated high technology graphite carbon fiber combining incredible strength light weight model masterpiece detail model has panel lines over 20000 rivets 400 Philipshead 100 ilotted-head screws molded right wing fuselage Ailemni flaps pre hinged ease assembly Landing gear attached encapsulated aluminum main spar mounting plates landing gears wing engine servos tail assemblies come already installed Aircraft $189500 ping Included retracts 5 main wheels scale tail wheel gear door hardware sequencing spool valve spinner V CALL AEROTECH UONU mor lnfornosioo nod oth piones P-Si test-flight video $1000 r6dubi pursitaso onessory pris lists wore 612 7211285 Fax 612721-1181 Vertical Fin has degree offset MIECH DIIEt 2740 31 Avon. toothros Uionoopoiis MN 55406 USA Wing Area Flying Weigh. Engine Choices 6 ci ie 000 [or 7 drop Model Airplane Design Performance Modeler book must model airplane builder flyers library covers model airplane design perfor mance modeler mind Topics arraned sequence leads example designs ra 10 control model airplanes Early Developments Terminology Stability Control Performance Desiij $2495 shipping handing Toll Free Orders MC VISA & AMEX 1-800-364-2665 Check MO Challenge Engineenng Inc PO Box 67 New Baden TX 77870 TX residents add tax-- US currency Only Cs 44 ran MO# struts Positions can ascertained drawings once knife has located slot easy follow plywood sides formers Dry-fit struts check fit wing struts Once youre satisfied leaving wings fixed epoxy struts slots Add 3A2 balsa filler sand profile fuselage Finishing Whichever covering method use Delilah suitable film fabric tissue thorough job sealing waterproofing going take water Cover fin rudder tailpiane elevator separately before joining fin tailplane Hinge elevators first followed rudder Glue tail assembly fuselage supporting fin triangular gussets Radio Although Delilah quite petite still ample room bays between Fl F2 F2 F3 standard-size equipment forgot include tube route antenna rear model take top fin switch should positioned internally remote operation toggle arranged Flying All standard checks balance radio operation correct direction control movements should made first flights would certainly suggest hand launcheswater flying can come later Although model will fly either engine dead has quite respectable glide its better starboard engine cuts first minimize torque effect Always start starboard engine first top-off port fuel tank before launching Completing flying boat just winter LASER CUT KITS RUBBER POWERED FF SCALE kit features finest LASER CUT BALSA Contest Ritber Computer Drawn Plans Complete Hard PacA Authentic Full Color Waterside Decals Real Colored TIssue Comptete Instrudlons Please check local hobby dealer first kits available better hobby shops around world Catalog $200 Add $400 shippng kit Overseas orders add 20% FL residents add 6% sales tax Made USA rr Engineering Coip 1431 Chaffee Dr Suite 3 TituavIlie FL 32780 407 264-2488 worlds leader Laser Cut model aircra Dealer Inquires invited 52 Model Aviation ds Best approaching does perhaps suggest best planning winters tend rather cold damp definitely conditions messing about boats However nice crisp four-inch layer snow year coincided delightfully sunny afternoon temptation really too great telephone call fellow modeler Jeff Barringer didnt find him office gone home exactly same thought Lets go flying Neither Cox TD 020 engines run before little unkind expect roar life just-abovefreezing temperatures Surprisingly exactly what did happenwithin few minutes both engines given quick run thanks small electric starterdetails later tanks topped off both engines started Needle valves adjusted both engines running really rich Jeff gave launch Power settings just enoughthe model gaining height hedge rapidly approaching decided dump modelbut forgot snow would provide braking force Delilah skipped once ended up thorn bush Careful extraction revealed few puncture holes starboard float knocked back proving effectiveness friction-bolt fitting next attempt made engines almost full songaway went prettily youd like Despite what consider forward center gravity elevator position slightly up handling responsive no throttle its little difficult carry out low runs cameraits difficult perform FREE HAPPINESS IS Fox Manufacturing Company want thank support business past years ones have helped make possible us CATALOG ii FLYING FOX MOTOR to serve again future strive make products A-i prices low possible service best FOXS SECRET OF SUCCESS IS SERVICE FOX MANUFACTURING COMPANY 5305 TOWSON AVENUE SMITH ARKANSAS 72901 PHONE 501 646-1656 501 646-1757 November 1995 53 LIGHTING SYSTEMS THE ORIGINALS. Still Best RAM 01 Adj Flash Nay Lights 9V NEW 94 span WI wing light conn $2995 RAM 02Strobe Light 9V adjustable flash rate1995 RAM 03Landing Li9hts 48V receiver controlled3995 RAM 04Mars Rotating Beacon 9V adjustable rate1995 RAM 06Sky Lights 18 Light Set 72-9V best way fly night2495 RAM 14Big Airplane Navigation Lights 9V 168 span non flashing2495 RAM 15 Non Flash Nay Lights 9V NEW 94 span wi wing light conn 1495 RAM 16 Econo Landing Lights 9V servo controlled brightest 1995 RAM 23 Real Strobe Li9ht 3V brightest 2995 RAM 65 T6 Lg Scale Lighting 72-9V Comb #s 04 14 & 16 100 span 5995 S SEE YOUR DEALER SEND STAMPED ENVELOPE FOR RAM INFO unavailable iccaiiy send check money order full credit card info cost item pius $400 $500 foreign immediate shipment Include fuii address UPS Sorry no COD 229A E Rollins Rd d Lake Beach IL 60073 Precision Miter Saw Sawing Tool Miter Saw hardened steei razor saw travels within precision guide aliowing craftsman make accurate cuts wood plastic metai Miter Saw is constructed durabie hardwood rigid giass fiiied nyion adjustable fence swings through arc precise degree marks positive stop 90 aiiows modeier make accurate repeatable cuts tight fits mitered corners Miter Saw excelient tool hobby requirements including * Model Airplane Ship parts * Model Railroad Train Layouts * Miniatures Furniture Picture Frames Price $1995 * Cutting Brass Copper Aluminum Tubing Product No FOR 153 FOURMOST PRODUCTS Look other great products Iron Fourmost nearest hobby dealer direct orders include $350 Shipping 4040 24th Avenue Forest Grove OR 97116 6am 7&4deat II Presents. completely finished unit made r select maple hardwoods birch plywood Interlocking Thh construction Medium pecan OX Features four folding legs locking adjustable holders wing holders back Both lined neoprene coated sponge rubber Slide out power module built-in tool rack carrying handle -- holds battery starter Flight Box will fold down nice suitcase package 21 1/2 x 9 1/2 x 16 overall will hold gallon fuel can transmitter plus has two drawers parts Also available Four drawers instead Power Module--four small drawers either side Boat unit completely adjustable holders minus wing racks Made America Americans B A/Visa Master Charge Welcome e4 inctive Quality Wood 4630 Day Road thur CA 96066 e 916-336-6990 $16495 shippIng Included Calit Residents add 7 1/4% aalea tax 54 Model Aviation ys little fast model small Shortly after flyby starboard engine cut found out what asymmetric flying going like Fortunately nothing dramatic happened Delilah quite happy engine except turning port live engine rather marginal Putting rudder trim way left solved problem fact handling qualities good carried photo session remalning engine single engine two-stroking smoothly away easy carry out circuits losing altitude straight line Delilah climbs quite steadily engine After few flybys time think about landing galned some altitude waited port engine cutwhich did distance touch-down fine maiden flight successful Water flying must walt action far too exciting article go ahead Just sound two Cox 020s in-beat makes worthwhile Finally word about control movements Delilahs maiden flight barely 3/s-inch elevator movement up down proved suitable Rudder movements just over /2-inch left right stated before barely sufficient just engine flying would recommend rates should have movement way rates off should have movement left right will give ample rudder movement regardless engine cuts out soon rates switched out may possible safely move CG further rearward did bother change model flies well indicated position hate adding nose weight absolutely detest having ballast tail After numerous excellent flights Delilah met fate full-frontal midair collision 40-powered model during Old Warden Fly-In really cut-up about whole proceeding make matters worse delighful Cox TD 020 engines flew off never seen again least accident will act spur commence building Samson Add Up 1500 RPM Over Stock Muffler Without Hassle Tuned Pipes Now available ASP 45 Magnum 40/46/53 OS 32140/46SF Rossi 40145 Supertigre 40/45/51 Webra 32/ 40/50 VS 45 DC/SP 40/46/53 Send $300 catalog Dealer Inquiries Invited -Actual size shown -Vibration Resistant -Exellent Fuel Pressure & Smoke -Locking Baited Fittings 2411r Order Hotline 800 273-AERO 22nd Century Aero Products Inc 2763 West Ave L Suite 295 Lancaster CA 93536 CA residents add 825% sales tax Add $300 Shipping Handling Within USA MASTERCARD & VISA ACCEPTEJJ II I I

I / Photos author Graphic Design Heather Erdahi 40 Model Aviation 4 f /L2 f twin-020-powered flying boat home air water f looking II model thats versatile II small maneuverable III exciting L....J different Im sure Delilah will fit bill Delilahs 38-inch-span twin-engined flying boat powered Cox Tee Dee 020s Delilahs flighty piece work still handles like thoroughbred some years since built model rolledplywood fuselage type structure came mind looking old copy Radio Control Models Electronics RCM&E photograph model designed called Seastormer Although Seastormer handled very well air ease water Being new flying boats time made fuselage wide enough sufficiently extended nose realized combining several elementsa parasol wing arrangement engines close centerline rolledPlywood fuselage wider beam uselage longer nose momentmight produce pleasant flying boat Water airplanes have always fascinated Designers radio control model aircraft have challenge producing airplane structurally sound flies well Meeting criteria gives enormous amount satisfaction seldom won some problems few changes along way like have everything drawn-out organized before commencing building including location radio equipment linkages fuel tank engine installation However probable during construction parts structure building U David would differently starting again advantage modelers build plans instruction printed magazines Improvements can incorporated final drawings avoid mistakes made prototype some restrictions rolled-plywood structures particularly regard changing widths fuselage design supporting framework However once completed resulting structure extremely strong quite light view experimental nature project decided build small-scale version flying boat before moving larger versions CONSTRUCTION Already Delilah larger Samson few improvements have found during building have incorporated drawings As changes will slightly different some construction photographs will note 1 Constructing fuselage framework front end originally designed somewhat akin building sand castles air provisionally extending spine top formers Fl F2 spot cemented place its much easier construct framework inverted over board Pinning flattopped temporary former end FlO also helps make framework rigid building board 2 Fitting front wing struts undersides engine nacelles little fiddly requiring installation bolts November 1995 41 Boddinqton tank bay secure nylon saddles As fuel tank bay area also fairly tight have extended engine nacelles slightly moved front strut upright nylon saddles could screwed directly underside nacelle plywood fear piercing fuel tank 3 near-danger occurred rudder cables closed-looped control linkage wing struts fitted after fuselage has constructed However early drawing routed cables through V center struts housed As cables have fitted before completion fuselage would have impossible fit rear strut Rerouting cables routing smallbore tubing cured potential disaster General Comments Prepare construction cutting out parts forming struts may think 1/64 plywood very strong model size believe strong enough Adhesives should waterproof variety Cyanoacrylate CyA glue epoxy can also used Waterproofing must thorough Seal elevator pushrod exit silicone rubber sealant apply petroleum jelly metal rod sealant positioned prevent sticking pay special attention front hatch Wing Design airfoil allows building wing panels directly over drawing Start pinning down lower trailing edge rear spar lower main spar followed wing ribs photographs will notice A6 plywood nacelle plate fitted time should have should glued position after wing panel has shaped Glue top trailing edge top main spar leading edge strip ribs root rib angled dihedral Add vertical webbing leading edge center-section sheeting Leave dry before removing board Sand leading edge section carefully cut away leading-edge section back main spars engine nacelle position Glue 1/4 nacelle sides wing panel plus 1A6-inch plywood underside A6 front sheet 3/ triangular top reinforcement /8 plywood engine bulkhead improve singleengine performance advisable include 34O right thrust starboard engine Sew /32 tubing Y16 rear strut mounting plate epoxy CyA around tubing sewing Glue wing panels reinforcing strips balsa File holes ftont engine nacelles fuel-feed tubing fuel proof inside tank bay dry fit /2A fuel tanks fuel feed fitted wedge position balsa scrap Fix top 3/32-inch sheeting rear fairing shape nacelles rounding off corners corners Cut slot top sheeting slide over strut glue formers side Glue /64 plywood undersides add shape nose block Tail Surfaces Select light mediumgrade balsa fin rudder tailplane Use slightly harder grade elevators Glue tips tailplane sand rounding off edges tips Taper rudder elevators drill slot piano wire joiner should epoxied position Fuselage Now interesting bit Although idea using rolledplywood structure would result strong fuselage problem fix wing struts wanted make music wire no way feeding through struts holes sides sewing formers flash inspirationI get about five yearsthe answer came making composite formers strut positions plywood/balsa core/plywood would possible leave V shape top core After completion fuselage slot would cut strut positions struts inserted epoxied held balsa V pieces glued remaining slot am pleased say method has proved very successful results rigid structure also simple operation bend struts Top fixings tubing rear nylon saddles front Mark location formers spine keel pieces pin spine upside down onto drawing board using straight line guide As mentioned previously formers Fl F2 have temporary extensions reach extended spine cut away later Use slow-drying adhesive glue formers spine followed keel Continued page 51 thorough job waterproofing Delilah going water Floats held position bolting float legs between two nylon 900 brackets way degree friction can adjusted secure floats allows knock back hit something Float brackets screwed Lite Ply pieces glued wing ribs spars Wingtips formed sheet gussets Check root ribs panel true fit cut slots rib underside dihedral braces can join panels fitting braces pinning center ribs together propping tip up l/s inch did positioning braces holding panels together clothespins warned however easier introduce misalignment panels way wing now ready final sanding covering Floats Construct side panel ensuring former 900 side Add second side followed laminated strut round off November 1995 43 After top-front spar leading edge have installed add 1/16 leading-edge balsa sheeting music-wire wing strut seats center V fuselage former trapped /32 plywood outer laminate Cut slots strut positions epoxy struts place Filler plugs will sanded flush fuselage /2A fuel tank installed engine nacelle Top sheeting added sanded rounded contour Wet outside plywood skin /2 hour before adding fuselage will help curve wood 44 Model Aviation lah suitable film fabric tissue covering thorough job waterproofing before covering rr pcrj &QLQ Back drawing board Delilah met end mid-air collision 40-powered model Samson November 1995 45 side dry roll water-softened plywood around fuselage attaching slow-drying cement Before bottom plywood attached trim sand sides install rudder elevator linkages Glue formers side float add second side strut top sheet plywood bottom added last WIl/8 SHEWISE 3/32 RIB VIA PLY PLATE I/IA BALSA TOP 8 BOTTOM -5I7-fN ~~~1 ,--~ -lL ------- r -~--- ~II-ti-S---- USSET 3/32ID RINGI/BLITE1/Bs 3/IE1 BINS 81 01EVPLYBALSA BLOT 32- TSP 8 BOYSPARBIB ILJWIiL I/B LI~/A3/321OP PLY4-CJ-I PILL MO SHEETSH5 KJ/UISPBRS___-*- ___ if-it--/ VIA BALSA L E SHEET TOP H BOTTOM 1/16 PLYTROOD 3/32 BIB FRONT DIHEDRAL 1/B SAKESIPIA V4I/2 B IE BLACKBOLTER RIB R1/SUNE WING RIBS YE IBO'L4S3/H SPARS ROOT RIB SIHESRAL REAR DIHEDRALTEMPLATE BRACE VIA PLYWOOD ____ BTH NOTE C T AWAY FEBI/BPLY ENSINE NACELLES AFTERPOBMER THE WINO IS BAILT 8 SHEETED LW PLY ENS MOUNT NACELLE 3/3UBALSA- 4 FL2 I/B PLY FL3 FL4 FLS L32 PLY READ OF F-a 1/B BALSA FOUNT OF F-BA_____ ELEV HORN FIN MUSIC WIREREMOVABLEPORWOD I/H TRI 3/32 BALSA CORE WITH-STOOL VSU PLY OUTER PIECES - WING FLOAT FORMERS NOTE PIN PBOVISIOFLAL FORMER F-9F-IaTO F-IS AS SUPPORT DURING __CONSTRUCTION OF FUSELAGE 1/B BALSA SHEET VB BALSA SHEET- -71-I/U RASAFLI FLU FLS FL-AFL-S BLOCIC1--zr--1—- I/IA BALSA ISHEET TOP 4JzLipzT TOP VIEW 1/16 BALSA WINGFLOATSHEET SIDES 90 NYLONWINS NUT S BOLT ATTACH POINT 1/32 PLY OUTER PIECES WITH I/BLLTE PLY CENTER /2 BALSA BLOCK VIA BALSA SHEET TOP 8 SIDES II I/BA FLYFLIJF1FL4FL-S BOTTOMFL-U FLO illll LRSHEETIq iiSIDE$-.-I- 3/3D RIB YB MOUNT VIA BALSA VENT OBAIN WEB ---- -21 __ iAfti7L -z4 4~ L E IS I/4SI/D BALSA-CARVE N SAND TO SHAPE 3/32 RIBV16BALSA I2\IBPLYVERT OBAIN WINO1/16 PLY FREES IWEB DIHEEBAL BRACE/MINI SADDLE FOB / CLAMPING STRUT NACELLE I/BS 3/IA BALSA MAIN EWE- TOP 8 BOTTOM SLOT FOR FIN STABILI E ________ __________ COCKPIT TEMPLATE I/BS 3/B3/32 BALSA BALSASHEET I/4BALOA SHEET SIDES 3/IAS S/IA 5/BYRI-BALSA I/B PLYSTOOL I/IA FLY COS 020 TEE OREWING TIP ENSPIA -3/32 10 TUBE 5/32 MW NYLON OJP STRUT SPINE EXTENDES DURING CONSTRUCTIORIII ALSO PORMERS F-I 8 F-UI/B4FLY WINDSCREENI 5PLY--'L---- OPTIORAL I/3DHEEFF-3A WIRE CROSS BRACING 3/16 BALSA SHEET I/IA DIG MUSICELEVATOR S/I BALSAWEE LONERIHINGE TO SUITI SHEET ELEVATOR3/IA MED L SHY BALSA SHEET HORN TYPICAL HINGE LOCATIONRUD FIN 3/16 SLOT FOR STABILIZER EU HORS RUDDER CASLESI/A BALSA IN SHALL SALTEl-STOCK TURBO \ I/BS 1/4 BALSA SPINEIIL F IS RUDDER I-ERR BALSASCREW NOSE-- --___--ilL L- - zzzzzzII7z277-7 1~II 3/RB VA SPRUCE RECEIVERMINIIIIiF-S3/32 BALSA I/BS I/A BALSA 9iiiI/BAT -5DBIINOTE FIT RUDDER AFTO SPINEIIiiIIIF-FRCENTERSHEET F-IF-ASTANLIZER ID ATTACKED F-UELEVATOR F SF-AESUBS3/IA BALSAPUSHROSWING SPANSB LORGERONPOWERTWO COO 020 TOS CONTROL ELEV AND RUDDER I/BOOFUSELAGE SIDE VIEW BALSA LONOERONFUSELAGE 9 COVERED WITH 1641/B SO BALSACONTROLMOVEMENTS /IFLYWOOD OMITTED FOR CLARITYLONGERONELEV1/2 UPB SNMODEL AVIATION IRUDDER3/ALT 8 BT /NOTE CUTOUTS FOR SLOTS IN FORMERS AREI/BS I/B BALSADELI LAH X- E~NCFLYINO KEEL I/H KEEL MADE AFTER FUSELAGE IS COMPLETE EPOXY VA S/B / I/H SIDES / I/B PLY FORMER I/IA PLY COS OUO TOENG MOUNT MOUNTING 3/B TRI-STOCK FUEL ENGINE NACELLE FEES FRORT VIEW STRUTS IN POSITION 0IB545B [INKED PLAN BY JOE DEMARCO ALL SIGHTS SHEET COAJPUICYIZCD 5/13/55 SSEYTASBESEHOEDI OP I/B BALSA SHEET WING PLAN NOTE DIHEDHAL IS 1-7/B UNDEB EACH WINS TIP BALSA SHEET WOE SCRAP BALSA FILL DeIiIah/Boddington Continued page 43 pieces l/t x /I6 side stringers I/ square longerons Check angles formers Note FlO has flattopped support pinned outside prevent moving hoard Glue /32 sheet between Fl FlO framework has dried remove building board sand former sides flush stringers longerons spine Cut piece 1/&t plywood 26 inches long grain lengthwise 9 inches wide end center cut out panel 5 inches long 4 inches wide position hatch cockpit Mark l/ line down center plywood glue spine front edge F3 lining up cutout Leave assembly dry Again using slow-drying adhesive glue side plywood frameworkwetting outside plywood half hour before fixing will help curving satisfied side attached framework points except nose Fl near F3 glued later pin side building board leave dry same other side plywood can glued pipned front formers Before bottom plywood attached lower edges sides have trimmed sanded rudder elevator linkages have installed rudder closed loop 20pound-test nylon-covered fishing trace line should routed through narrowgauge nylon tubing used standard pushrod elevator linkage could use snake try select reasonably small diameter3/I6 OD tubing looks wrong exiting small model bottom sheet position nose block can fitted hatch cockpit formed Now time cut slots November 1995 51 WAYNE NEWERT IIURODUCES HIS SECOND IN SERIES OF HIGH-lECH IRE4UILT EXACI4CALE MODELS kit designed diuriminatiuig uale modelers demand THE BEST kit engineering Completely pre fabricated high technology graphite carbon fiber combining incredible strength light weight model masterpiece detail model has panel lines over 20000 rivets 400 Philipshead 100 ilotted-head screws molded right wing fuselage Ailemni flaps pre hinged ease assembly Landing gear attached encapsulated aluminum main spar mounting plates landing gears wing engine servos tail assemblies come already installed Aircraft $189500 ping Included retracts 5 main wheels scale tail wheel gear door hardware sequencing spool valve spinner V CALL AEROTECH UONU mor lnfornosioo nod oth piones P-Si test-flight video $1000 r6dubi pursitaso onessory pris lists wore 612 7211285 Fax 612721-1181 Vertical Fin has degree offset MIECH DIIEt 2740 31 Avon. toothros Uionoopoiis MN 55406 USA Wing Area Flying Weigh. Engine Choices 6 ci ie 000 [or 7 drop Model Airplane Design Performance Modeler book must model airplane builder flyers library covers model airplane design perfor mance modeler mind Topics arraned sequence leads example designs ra 10 control model airplanes Early Developments Terminology Stability Control Performance Desiij $2495 shipping handing Toll Free Orders MC VISA & AMEX 1-800-364-2665 Check MO Challenge Engineenng Inc PO Box 67 New Baden TX 77870 TX residents add tax-- US currency Only Cs 44 ran MO# struts Positions can ascertained drawings once knife has located slot easy follow plywood sides formers Dry-fit struts check fit wing struts Once youre satisfied leaving wings fixed epoxy struts slots Add 3A2 balsa filler sand profile fuselage Finishing Whichever covering method use Delilah suitable film fabric tissue thorough job sealing waterproofing going take water Cover fin rudder tailpiane elevator separately before joining fin tailplane Hinge elevators first followed rudder Glue tail assembly fuselage supporting fin triangular gussets Radio Although Delilah quite petite still ample room bays between Fl F2 F2 F3 standard-size equipment forgot include tube route antenna rear model take top fin switch should positioned internally remote operation toggle arranged Flying All standard checks balance radio operation correct direction control movements should made first flights would certainly suggest hand launcheswater flying can come later Although model will fly either engine dead has quite respectable glide its better starboard engine cuts first minimize torque effect Always start starboard engine first top-off port fuel tank before launching Completing flying boat just winter LASER CUT KITS RUBBER POWERED FF SCALE kit features finest LASER CUT BALSA Contest Ritber Computer Drawn Plans Complete Hard PacA Authentic Full Color Waterside Decals Real Colored TIssue Comptete Instrudlons Please check local hobby dealer first kits available better hobby shops around world Catalog $200 Add $400 shippng kit Overseas orders add 20% FL residents add 6% sales tax Made USA rr Engineering Coip 1431 Chaffee Dr Suite 3 TituavIlie FL 32780 407 264-2488 worlds leader Laser Cut model aircra Dealer Inquires invited 52 Model Aviation ds Best approaching does perhaps suggest best planning winters tend rather cold damp definitely conditions messing about boats However nice crisp four-inch layer snow year coincided delightfully sunny afternoon temptation really too great telephone call fellow modeler Jeff Barringer didnt find him office gone home exactly same thought Lets go flying Neither Cox TD 020 engines run before little unkind expect roar life just-abovefreezing temperatures Surprisingly exactly what did happenwithin few minutes both engines given quick run thanks small electric starterdetails later tanks topped off both engines started Needle valves adjusted both engines running really rich Jeff gave launch Power settings just enoughthe model gaining height hedge rapidly approaching decided dump modelbut forgot snow would provide braking force Delilah skipped once ended up thorn bush Careful extraction revealed few puncture holes starboard float knocked back proving effectiveness friction-bolt fitting next attempt made engines almost full songaway went prettily youd like Despite what consider forward center gravity elevator position slightly up handling responsive no throttle its little difficult carry out low runs cameraits difficult perform FREE HAPPINESS IS Fox Manufacturing Company want thank support business past years ones have helped make possible us CATALOG ii FLYING FOX MOTOR to serve again future strive make products A-i prices low possible service best FOXS SECRET OF SUCCESS IS SERVICE FOX MANUFACTURING COMPANY 5305 TOWSON AVENUE SMITH ARKANSAS 72901 PHONE 501 646-1656 501 646-1757 November 1995 53 LIGHTING SYSTEMS THE ORIGINALS. Still Best RAM 01 Adj Flash Nay Lights 9V NEW 94 span WI wing light conn $2995 RAM 02Strobe Light 9V adjustable flash rate1995 RAM 03Landing Li9hts 48V receiver controlled3995 RAM 04Mars Rotating Beacon 9V adjustable rate1995 RAM 06Sky Lights 18 Light Set 72-9V best way fly night2495 RAM 14Big Airplane Navigation Lights 9V 168 span non flashing2495 RAM 15 Non Flash Nay Lights 9V NEW 94 span wi wing light conn 1495 RAM 16 Econo Landing Lights 9V servo controlled brightest 1995 RAM 23 Real Strobe Li9ht 3V brightest 2995 RAM 65 T6 Lg Scale Lighting 72-9V Comb #s 04 14 & 16 100 span 5995 S SEE YOUR DEALER SEND STAMPED ENVELOPE FOR RAM INFO unavailable iccaiiy send check money order full credit card info cost item pius $400 $500 foreign immediate shipment Include fuii address UPS Sorry no COD 229A E Rollins Rd d Lake Beach IL 60073 Precision Miter Saw Sawing Tool Miter Saw hardened steei razor saw travels within precision guide aliowing craftsman make accurate cuts wood plastic metai Miter Saw is constructed durabie hardwood rigid giass fiiied nyion adjustable fence swings through arc precise degree marks positive stop 90 aiiows modeier make accurate repeatable cuts tight fits mitered corners Miter Saw excelient tool hobby requirements including * Model Airplane Ship parts * Model Railroad Train Layouts * Miniatures Furniture Picture Frames Price $1995 * Cutting Brass Copper Aluminum Tubing Product No FOR 153 FOURMOST PRODUCTS Look other great products Iron Fourmost nearest hobby dealer direct orders include $350 Shipping 4040 24th Avenue Forest Grove OR 97116 6am 7&4deat II Presents. completely finished unit made r select maple hardwoods birch plywood Interlocking Thh construction Medium pecan OX Features four folding legs locking adjustable holders wing holders back Both lined neoprene coated sponge rubber Slide out power module built-in tool rack carrying handle -- holds battery starter Flight Box will fold down nice suitcase package 21 1/2 x 9 1/2 x 16 overall will hold gallon fuel can transmitter plus has two drawers parts Also available Four drawers instead Power Module--four small drawers either side Boat unit completely adjustable holders minus wing racks Made America Americans B A/Visa Master Charge Welcome e4 inctive Quality Wood 4630 Day Road thur CA 96066 e 916-336-6990 $16495 shippIng Included Calit Residents add 7 1/4% aalea tax 54 Model Aviation ys little fast model small Shortly after flyby starboard engine cut found out what asymmetric flying going like Fortunately nothing dramatic happened Delilah quite happy engine except turning port live engine rather marginal Putting rudder trim way left solved problem fact handling qualities good carried photo session remalning engine single engine two-stroking smoothly away easy carry out circuits losing altitude straight line Delilah climbs quite steadily engine After few flybys time think about landing galned some altitude waited port engine cutwhich did distance touch-down fine maiden flight successful Water flying must walt action far too exciting article go ahead Just sound two Cox 020s in-beat makes worthwhile Finally word about control movements Delilahs maiden flight barely 3/s-inch elevator movement up down proved suitable Rudder movements just over /2-inch left right stated before barely sufficient just engine flying would recommend rates should have movement way rates off should have movement left right will give ample rudder movement regardless engine cuts out soon rates switched out may possible safely move CG further rearward did bother change model flies well indicated position hate adding nose weight absolutely detest having ballast tail After numerous excellent flights Delilah met fate full-frontal midair collision 40-powered model during Old Warden Fly-In really cut-up about whole proceeding make matters worse delighful Cox TD 020 engines flew off never seen again least accident will act spur commence building Samson Add Up 1500 RPM Over Stock Muffler Without Hassle Tuned Pipes Now available ASP 45 Magnum 40/46/53 OS 32140/46SF Rossi 40145 Supertigre 40/45/51 Webra 32/ 40/50 VS 45 DC/SP 40/46/53 Send $300 catalog Dealer Inquiries Invited -Actual size shown -Vibration Resistant -Exellent Fuel Pressure & Smoke -Locking Baited Fittings 2411r Order Hotline 800 273-AERO 22nd Century Aero Products Inc 2763 West Ave L Suite 295 Lancaster CA 93536 CA residents add 825% sales tax Add $300 Shipping Handling Within USA MASTERCARD & VISA ACCEPTEJJ II I I

I / Photos author Graphic Design Heather Erdahi 40 Model Aviation 4 f /L2 f twin-020-powered flying boat home air water f looking II model thats versatile II small maneuverable III exciting L....J different Im sure Delilah will fit bill Delilahs 38-inch-span twin-engined flying boat powered Cox Tee Dee 020s Delilahs flighty piece work still handles like thoroughbred some years since built model rolledplywood fuselage type structure came mind looking old copy Radio Control Models Electronics RCM&E photograph model designed called Seastormer Although Seastormer handled very well air ease water Being new flying boats time made fuselage wide enough sufficiently extended nose realized combining several elementsa parasol wing arrangement engines close centerline rolledPlywood fuselage wider beam uselage longer nose momentmight produce pleasant flying boat Water airplanes have always fascinated Designers radio control model aircraft have challenge producing airplane structurally sound flies well Meeting criteria gives enormous amount satisfaction seldom won some problems few changes along way like have everything drawn-out organized before commencing building including location radio equipment linkages fuel tank engine installation However probable during construction parts structure building U David would differently starting again advantage modelers build plans instruction printed magazines Improvements can incorporated final drawings avoid mistakes made prototype some restrictions rolled-plywood structures particularly regard changing widths fuselage design supporting framework However once completed resulting structure extremely strong quite light view experimental nature project decided build small-scale version flying boat before moving larger versions CONSTRUCTION Already Delilah larger Samson few improvements have found during building have incorporated drawings As changes will slightly different some construction photographs will note 1 Constructing fuselage framework front end originally designed somewhat akin building sand castles air provisionally extending spine top formers Fl F2 spot cemented place its much easier construct framework inverted over board Pinning flattopped temporary former end FlO also helps make framework rigid building board 2 Fitting front wing struts undersides engine nacelles little fiddly requiring installation bolts November 1995 41 Boddinqton tank bay secure nylon saddles As fuel tank bay area also fairly tight have extended engine nacelles slightly moved front strut upright nylon saddles could screwed directly underside nacelle plywood fear piercing fuel tank 3 near-danger occurred rudder cables closed-looped control linkage wing struts fitted after fuselage has constructed However early drawing routed cables through V center struts housed As cables have fitted before completion fuselage would have impossible fit rear strut Rerouting cables routing smallbore tubing cured potential disaster General Comments Prepare construction cutting out parts forming struts may think 1/64 plywood very strong model size believe strong enough Adhesives should waterproof variety Cyanoacrylate CyA glue epoxy can also used Waterproofing must thorough Seal elevator pushrod exit silicone rubber sealant apply petroleum jelly metal rod sealant positioned prevent sticking pay special attention front hatch Wing Design airfoil allows building wing panels directly over drawing Start pinning down lower trailing edge rear spar lower main spar followed wing ribs photographs will notice A6 plywood nacelle plate fitted time should have should glued position after wing panel has shaped Glue top trailing edge top main spar leading edge strip ribs root rib angled dihedral Add vertical webbing leading edge center-section sheeting Leave dry before removing board Sand leading edge section carefully cut away leading-edge section back main spars engine nacelle position Glue 1/4 nacelle sides wing panel plus 1A6-inch plywood underside A6 front sheet 3/ triangular top reinforcement /8 plywood engine bulkhead improve singleengine performance advisable include 34O right thrust starboard engine Sew /32 tubing Y16 rear strut mounting plate epoxy CyA around tubing sewing Glue wing panels reinforcing strips balsa File holes ftont engine nacelles fuel-feed tubing fuel proof inside tank bay dry fit /2A fuel tanks fuel feed fitted wedge position balsa scrap Fix top 3/32-inch sheeting rear fairing shape nacelles rounding off corners corners Cut slot top sheeting slide over strut glue formers side Glue /64 plywood undersides add shape nose block Tail Surfaces Select light mediumgrade balsa fin rudder tailplane Use slightly harder grade elevators Glue tips tailplane sand rounding off edges tips Taper rudder elevators drill slot piano wire joiner should epoxied position Fuselage Now interesting bit Although idea using rolledplywood structure would result strong fuselage problem fix wing struts wanted make music wire no way feeding through struts holes sides sewing formers flash inspirationI get about five yearsthe answer came making composite formers strut positions plywood/balsa core/plywood would possible leave V shape top core After completion fuselage slot would cut strut positions struts inserted epoxied held balsa V pieces glued remaining slot am pleased say method has proved very successful results rigid structure also simple operation bend struts Top fixings tubing rear nylon saddles front Mark location formers spine keel pieces pin spine upside down onto drawing board using straight line guide As mentioned previously formers Fl F2 have temporary extensions reach extended spine cut away later Use slow-drying adhesive glue formers spine followed keel Continued page 51 thorough job waterproofing Delilah going water Floats held position bolting float legs between two nylon 900 brackets way degree friction can adjusted secure floats allows knock back hit something Float brackets screwed Lite Ply pieces glued wing ribs spars Wingtips formed sheet gussets Check root ribs panel true fit cut slots rib underside dihedral braces can join panels fitting braces pinning center ribs together propping tip up l/s inch did positioning braces holding panels together clothespins warned however easier introduce misalignment panels way wing now ready final sanding covering Floats Construct side panel ensuring former 900 side Add second side followed laminated strut round off November 1995 43 After top-front spar leading edge have installed add 1/16 leading-edge balsa sheeting music-wire wing strut seats center V fuselage former trapped /32 plywood outer laminate Cut slots strut positions epoxy struts place Filler plugs will sanded flush fuselage /2A fuel tank installed engine nacelle Top sheeting added sanded rounded contour Wet outside plywood skin /2 hour before adding fuselage will help curve wood 44 Model Aviation lah suitable film fabric tissue covering thorough job waterproofing before covering rr pcrj &QLQ Back drawing board Delilah met end mid-air collision 40-powered model Samson November 1995 45 side dry roll water-softened plywood around fuselage attaching slow-drying cement Before bottom plywood attached trim sand sides install rudder elevator linkages Glue formers side float add second side strut top sheet plywood bottom added last WIl/8 SHEWISE 3/32 RIB VIA PLY PLATE I/IA BALSA TOP 8 BOTTOM -5I7-fN ~~~1 ,--~ -lL ------- r -~--- ~II-ti-S---- USSET 3/32ID RINGI/BLITE1/Bs 3/IE1 BINS 81 01EVPLYBALSA BLOT 32- TSP 8 BOYSPARBIB ILJWIiL I/B LI~/A3/321OP PLY4-CJ-I PILL MO SHEETSH5 KJ/UISPBRS___-*- ___ if-it--/ VIA BALSA L E SHEET TOP H BOTTOM 1/16 PLYTROOD 3/32 BIB FRONT DIHEDRAL 1/B SAKESIPIA V4I/2 B IE BLACKBOLTER RIB R1/SUNE WING RIBS YE IBO'L4S3/H SPARS ROOT RIB SIHESRAL REAR DIHEDRALTEMPLATE BRACE VIA PLYWOOD ____ BTH NOTE C T AWAY FEBI/BPLY ENSINE NACELLES AFTERPOBMER THE WINO IS BAILT 8 SHEETED LW PLY ENS MOUNT NACELLE 3/3UBALSA- 4 FL2 I/B PLY FL3 FL4 FLS L32 PLY READ OF F-a 1/B BALSA FOUNT OF F-BA_____ ELEV HORN FIN MUSIC WIREREMOVABLEPORWOD I/H TRI 3/32 BALSA CORE WITH-STOOL VSU PLY OUTER PIECES - WING FLOAT FORMERS NOTE PIN PBOVISIOFLAL FORMER F-9F-IaTO F-IS AS SUPPORT DURING __CONSTRUCTION OF FUSELAGE 1/B BALSA SHEET VB BALSA SHEET- -71-I/U RASAFLI FLU FLS FL-AFL-S BLOCIC1--zr--1—- I/IA BALSA ISHEET TOP 4JzLipzT TOP VIEW 1/16 BALSA WINGFLOATSHEET SIDES 90 NYLONWINS NUT S BOLT ATTACH POINT 1/32 PLY OUTER PIECES WITH I/BLLTE PLY CENTER /2 BALSA BLOCK VIA BALSA SHEET TOP 8 SIDES II I/BA FLYFLIJF1FL4FL-S BOTTOMFL-U FLO illll LRSHEETIq iiSIDE$-.-I- 3/3D RIB YB MOUNT VIA BALSA VENT OBAIN WEB ---- -21 __ iAfti7L -z4 4~ L E IS I/4SI/D BALSA-CARVE N SAND TO SHAPE 3/32 RIBV16BALSA I2\IBPLYVERT OBAIN WINO1/16 PLY FREES IWEB DIHEEBAL BRACE/MINI SADDLE FOB / CLAMPING STRUT NACELLE I/BS 3/IA BALSA MAIN EWE- TOP 8 BOTTOM SLOT FOR FIN STABILI E ________ __________ COCKPIT TEMPLATE I/BS 3/B3/32 BALSA BALSASHEET I/4BALOA SHEET SIDES 3/IAS S/IA 5/BYRI-BALSA I/B PLYSTOOL I/IA FLY COS 020 TEE OREWING TIP ENSPIA -3/32 10 TUBE 5/32 MW NYLON OJP STRUT SPINE EXTENDES DURING CONSTRUCTIORIII ALSO PORMERS F-I 8 F-UI/B4FLY WINDSCREENI 5PLY--'L---- OPTIORAL I/3DHEEFF-3A WIRE CROSS BRACING 3/16 BALSA SHEET I/IA DIG MUSICELEVATOR S/I BALSAWEE LONERIHINGE TO SUITI SHEET ELEVATOR3/IA MED L SHY BALSA SHEET HORN TYPICAL HINGE LOCATIONRUD FIN 3/16 SLOT FOR STABILIZER EU HORS RUDDER CASLESI/A BALSA IN SHALL SALTEl-STOCK TURBO \ I/BS 1/4 BALSA SPINEIIL F IS RUDDER I-ERR BALSASCREW NOSE-- --___--ilL L- - zzzzzzII7z277-7 1~II 3/RB VA SPRUCE RECEIVERMINIIIIiF-S3/32 BALSA I/BS I/A BALSA 9iiiI/BAT -5DBIINOTE FIT RUDDER AFTO SPINEIIiiIIIF-FRCENTERSHEET F-IF-ASTANLIZER ID ATTACKED F-UELEVATOR F SF-AESUBS3/IA BALSAPUSHROSWING SPANSB LORGERONPOWERTWO COO 020 TOS CONTROL ELEV AND RUDDER I/BOOFUSELAGE SIDE VIEW BALSA LONOERONFUSELAGE 9 COVERED WITH 1641/B SO BALSACONTROLMOVEMENTS /IFLYWOOD OMITTED FOR CLARITYLONGERONELEV1/2 UPB SNMODEL AVIATION IRUDDER3/ALT 8 BT /NOTE CUTOUTS FOR SLOTS IN FORMERS AREI/BS I/B BALSADELI LAH X- E~NCFLYINO KEEL I/H KEEL MADE AFTER FUSELAGE IS COMPLETE EPOXY VA S/B / I/H SIDES / I/B PLY FORMER I/IA PLY COS OUO TOENG MOUNT MOUNTING 3/B TRI-STOCK FUEL ENGINE NACELLE FEES FRORT VIEW STRUTS IN POSITION 0IB545B [INKED PLAN BY JOE DEMARCO ALL SIGHTS SHEET COAJPUICYIZCD 5/13/55 SSEYTASBESEHOEDI OP I/B BALSA SHEET WING PLAN NOTE DIHEDHAL IS 1-7/B UNDEB EACH WINS TIP BALSA SHEET WOE SCRAP BALSA FILL DeIiIah/Boddington Continued page 43 pieces l/t x /I6 side stringers I/ square longerons Check angles formers Note FlO has flattopped support pinned outside prevent moving hoard Glue /32 sheet between Fl FlO framework has dried remove building board sand former sides flush stringers longerons spine Cut piece 1/&t plywood 26 inches long grain lengthwise 9 inches wide end center cut out panel 5 inches long 4 inches wide position hatch cockpit Mark l/ line down center plywood glue spine front edge F3 lining up cutout Leave assembly dry Again using slow-drying adhesive glue side plywood frameworkwetting outside plywood half hour before fixing will help curving satisfied side attached framework points except nose Fl near F3 glued later pin side building board leave dry same other side plywood can glued pipned front formers Before bottom plywood attached lower edges sides have trimmed sanded rudder elevator linkages have installed rudder closed loop 20pound-test nylon-covered fishing trace line should routed through narrowgauge nylon tubing used standard pushrod elevator linkage could use snake try select reasonably small diameter3/I6 OD tubing looks wrong exiting small model bottom sheet position nose block can fitted hatch cockpit formed Now time cut slots November 1995 51 WAYNE NEWERT IIURODUCES HIS SECOND IN SERIES OF HIGH-lECH IRE4UILT EXACI4CALE MODELS kit designed diuriminatiuig uale modelers demand THE BEST kit engineering Completely pre fabricated high technology graphite carbon fiber combining incredible strength light weight model masterpiece detail model has panel lines over 20000 rivets 400 Philipshead 100 ilotted-head screws molded right wing fuselage Ailemni flaps pre hinged ease assembly Landing gear attached encapsulated aluminum main spar mounting plates landing gears wing engine servos tail assemblies come already installed Aircraft $189500 ping Included retracts 5 main wheels scale tail wheel gear door hardware sequencing spool valve spinner V CALL AEROTECH UONU mor lnfornosioo nod oth piones P-Si test-flight video $1000 r6dubi pursitaso onessory pris lists wore 612 7211285 Fax 612721-1181 Vertical Fin has degree offset MIECH DIIEt 2740 31 Avon. toothros Uionoopoiis MN 55406 USA Wing Area Flying Weigh. Engine Choices 6 ci ie 000 [or 7 drop Model Airplane Design Performance Modeler book must model airplane builder flyers library covers model airplane design perfor mance modeler mind Topics arraned sequence leads example designs ra 10 control model airplanes Early Developments Terminology Stability Control Performance Desiij $2495 shipping handing Toll Free Orders MC VISA & AMEX 1-800-364-2665 Check MO Challenge Engineenng Inc PO Box 67 New Baden TX 77870 TX residents add tax-- US currency Only Cs 44 ran MO# struts Positions can ascertained drawings once knife has located slot easy follow plywood sides formers Dry-fit struts check fit wing struts Once youre satisfied leaving wings fixed epoxy struts slots Add 3A2 balsa filler sand profile fuselage Finishing Whichever covering method use Delilah suitable film fabric tissue thorough job sealing waterproofing going take water Cover fin rudder tailpiane elevator separately before joining fin tailplane Hinge elevators first followed rudder Glue tail assembly fuselage supporting fin triangular gussets Radio Although Delilah quite petite still ample room bays between Fl F2 F2 F3 standard-size equipment forgot include tube route antenna rear model take top fin switch should positioned internally remote operation toggle arranged Flying All standard checks balance radio operation correct direction control movements should made first flights would certainly suggest hand launcheswater flying can come later Although model will fly either engine dead has quite respectable glide its better starboard engine cuts first minimize torque effect Always start starboard engine first top-off port fuel tank before launching Completing flying boat just winter LASER CUT KITS RUBBER POWERED FF SCALE kit features finest LASER CUT BALSA Contest Ritber Computer Drawn Plans Complete Hard PacA Authentic Full Color Waterside Decals Real Colored TIssue Comptete Instrudlons Please check local hobby dealer first kits available better hobby shops around world Catalog $200 Add $400 shippng kit Overseas orders add 20% FL residents add 6% sales tax Made USA rr Engineering Coip 1431 Chaffee Dr Suite 3 TituavIlie FL 32780 407 264-2488 worlds leader Laser Cut model aircra Dealer Inquires invited 52 Model Aviation ds Best approaching does perhaps suggest best planning winters tend rather cold damp definitely conditions messing about boats However nice crisp four-inch layer snow year coincided delightfully sunny afternoon temptation really too great telephone call fellow modeler Jeff Barringer didnt find him office gone home exactly same thought Lets go flying Neither Cox TD 020 engines run before little unkind expect roar life just-abovefreezing temperatures Surprisingly exactly what did happenwithin few minutes both engines given quick run thanks small electric starterdetails later tanks topped off both engines started Needle valves adjusted both engines running really rich Jeff gave launch Power settings just enoughthe model gaining height hedge rapidly approaching decided dump modelbut forgot snow would provide braking force Delilah skipped once ended up thorn bush Careful extraction revealed few puncture holes starboard float knocked back proving effectiveness friction-bolt fitting next attempt made engines almost full songaway went prettily youd like Despite what consider forward center gravity elevator position slightly up handling responsive no throttle its little difficult carry out low runs cameraits difficult perform FREE HAPPINESS IS Fox Manufacturing Company want thank support business past years ones have helped make possible us CATALOG ii FLYING FOX MOTOR to serve again future strive make products A-i prices low possible service best FOXS SECRET OF SUCCESS IS SERVICE FOX MANUFACTURING COMPANY 5305 TOWSON AVENUE SMITH ARKANSAS 72901 PHONE 501 646-1656 501 646-1757 November 1995 53 LIGHTING SYSTEMS THE ORIGINALS. Still Best RAM 01 Adj Flash Nay Lights 9V NEW 94 span WI wing light conn $2995 RAM 02Strobe Light 9V adjustable flash rate1995 RAM 03Landing Li9hts 48V receiver controlled3995 RAM 04Mars Rotating Beacon 9V adjustable rate1995 RAM 06Sky Lights 18 Light Set 72-9V best way fly night2495 RAM 14Big Airplane Navigation Lights 9V 168 span non flashing2495 RAM 15 Non Flash Nay Lights 9V NEW 94 span wi wing light conn 1495 RAM 16 Econo Landing Lights 9V servo controlled brightest 1995 RAM 23 Real Strobe Li9ht 3V brightest 2995 RAM 65 T6 Lg Scale Lighting 72-9V Comb #s 04 14 & 16 100 span 5995 S SEE YOUR DEALER SEND STAMPED ENVELOPE FOR RAM INFO unavailable iccaiiy send check money order full credit card info cost item pius $400 $500 foreign immediate shipment Include fuii address UPS Sorry no COD 229A E Rollins Rd d Lake Beach IL 60073 Precision Miter Saw Sawing Tool Miter Saw hardened steei razor saw travels within precision guide aliowing craftsman make accurate cuts wood plastic metai Miter Saw is constructed durabie hardwood rigid giass fiiied nyion adjustable fence swings through arc precise degree marks positive stop 90 aiiows modeier make accurate repeatable cuts tight fits mitered corners Miter Saw excelient tool hobby requirements including * Model Airplane Ship parts * Model Railroad Train Layouts * Miniatures Furniture Picture Frames Price $1995 * Cutting Brass Copper Aluminum Tubing Product No FOR 153 FOURMOST PRODUCTS Look other great products Iron Fourmost nearest hobby dealer direct orders include $350 Shipping 4040 24th Avenue Forest Grove OR 97116 6am 7&4deat II Presents. completely finished unit made r select maple hardwoods birch plywood Interlocking Thh construction Medium pecan OX Features four folding legs locking adjustable holders wing holders back Both lined neoprene coated sponge rubber Slide out power module built-in tool rack carrying handle -- holds battery starter Flight Box will fold down nice suitcase package 21 1/2 x 9 1/2 x 16 overall will hold gallon fuel can transmitter plus has two drawers parts Also available Four drawers instead Power Module--four small drawers either side Boat unit completely adjustable holders minus wing racks Made America Americans B A/Visa Master Charge Welcome e4 inctive Quality Wood 4630 Day Road thur CA 96066 e 916-336-6990 $16495 shippIng Included Calit Residents add 7 1/4% aalea tax 54 Model Aviation ys little fast model small Shortly after flyby starboard engine cut found out what asymmetric flying going like Fortunately nothing dramatic happened Delilah quite happy engine except turning port live engine rather marginal Putting rudder trim way left solved problem fact handling qualities good carried photo session remalning engine single engine two-stroking smoothly away easy carry out circuits losing altitude straight line Delilah climbs quite steadily engine After few flybys time think about landing galned some altitude waited port engine cutwhich did distance touch-down fine maiden flight successful Water flying must walt action far too exciting article go ahead Just sound two Cox 020s in-beat makes worthwhile Finally word about control movements Delilahs maiden flight barely 3/s-inch elevator movement up down proved suitable Rudder movements just over /2-inch left right stated before barely sufficient just engine flying would recommend rates should have movement way rates off should have movement left right will give ample rudder movement regardless engine cuts out soon rates switched out may possible safely move CG further rearward did bother change model flies well indicated position hate adding nose weight absolutely detest having ballast tail After numerous excellent flights Delilah met fate full-frontal midair collision 40-powered model during Old Warden Fly-In really cut-up about whole proceeding make matters worse delighful Cox TD 020 engines flew off never seen again least accident will act spur commence building Samson Add Up 1500 RPM Over Stock Muffler Without Hassle Tuned Pipes Now available ASP 45 Magnum 40/46/53 OS 32140/46SF Rossi 40145 Supertigre 40/45/51 Webra 32/ 40/50 VS 45 DC/SP 40/46/53 Send $300 catalog Dealer Inquiries Invited -Actual size shown -Vibration Resistant -Exellent Fuel Pressure & Smoke -Locking Baited Fittings 2411r Order Hotline 800 273-AERO 22nd Century Aero Products Inc 2763 West Ave L Suite 295 Lancaster CA 93536 CA residents add 825% sales tax Add $300 Shipping Handling Within USA MASTERCARD & VISA ACCEPTEJJ II I I

I / Photos author Graphic Design Heather Erdahi 40 Model Aviation 4 f /L2 f twin-020-powered flying boat home air water f looking II model thats versatile II small maneuverable III exciting L....J different Im sure Delilah will fit bill Delilahs 38-inch-span twin-engined flying boat powered Cox Tee Dee 020s Delilahs flighty piece work still handles like thoroughbred some years since built model rolledplywood fuselage type structure came mind looking old copy Radio Control Models Electronics RCM&E photograph model designed called Seastormer Although Seastormer handled very well air ease water Being new flying boats time made fuselage wide enough sufficiently extended nose realized combining several elementsa parasol wing arrangement engines close centerline rolledPlywood fuselage wider beam uselage longer nose momentmight produce pleasant flying boat Water airplanes have always fascinated Designers radio control model aircraft have challenge producing airplane structurally sound flies well Meeting criteria gives enormous amount satisfaction seldom won some problems few changes along way like have everything drawn-out organized before commencing building including location radio equipment linkages fuel tank engine installation However probable during construction parts structure building U David would differently starting again advantage modelers build plans instruction printed magazines Improvements can incorporated final drawings avoid mistakes made prototype some restrictions rolled-plywood structures particularly regard changing widths fuselage design supporting framework However once completed resulting structure extremely strong quite light view experimental nature project decided build small-scale version flying boat before moving larger versions CONSTRUCTION Already Delilah larger Samson few improvements have found during building have incorporated drawings As changes will slightly different some construction photographs will note 1 Constructing fuselage framework front end originally designed somewhat akin building sand castles air provisionally extending spine top formers Fl F2 spot cemented place its much easier construct framework inverted over board Pinning flattopped temporary former end FlO also helps make framework rigid building board 2 Fitting front wing struts undersides engine nacelles little fiddly requiring installation bolts November 1995 41 Boddinqton tank bay secure nylon saddles As fuel tank bay area also fairly tight have extended engine nacelles slightly moved front strut upright nylon saddles could screwed directly underside nacelle plywood fear piercing fuel tank 3 near-danger occurred rudder cables closed-looped control linkage wing struts fitted after fuselage has constructed However early drawing routed cables through V center struts housed As cables have fitted before completion fuselage would have impossible fit rear strut Rerouting cables routing smallbore tubing cured potential disaster General Comments Prepare construction cutting out parts forming struts may think 1/64 plywood very strong model size believe strong enough Adhesives should waterproof variety Cyanoacrylate CyA glue epoxy can also used Waterproofing must thorough Seal elevator pushrod exit silicone rubber sealant apply petroleum jelly metal rod sealant positioned prevent sticking pay special attention front hatch Wing Design airfoil allows building wing panels directly over drawing Start pinning down lower trailing edge rear spar lower main spar followed wing ribs photographs will notice A6 plywood nacelle plate fitted time should have should glued position after wing panel has shaped Glue top trailing edge top main spar leading edge strip ribs root rib angled dihedral Add vertical webbing leading edge center-section sheeting Leave dry before removing board Sand leading edge section carefully cut away leading-edge section back main spars engine nacelle position Glue 1/4 nacelle sides wing panel plus 1A6-inch plywood underside A6 front sheet 3/ triangular top reinforcement /8 plywood engine bulkhead improve singleengine performance advisable include 34O right thrust starboard engine Sew /32 tubing Y16 rear strut mounting plate epoxy CyA around tubing sewing Glue wing panels reinforcing strips balsa File holes ftont engine nacelles fuel-feed tubing fuel proof inside tank bay dry fit /2A fuel tanks fuel feed fitted wedge position balsa scrap Fix top 3/32-inch sheeting rear fairing shape nacelles rounding off corners corners Cut slot top sheeting slide over strut glue formers side Glue /64 plywood undersides add shape nose block Tail Surfaces Select light mediumgrade balsa fin rudder tailplane Use slightly harder grade elevators Glue tips tailplane sand rounding off edges tips Taper rudder elevators drill slot piano wire joiner should epoxied position Fuselage Now interesting bit Although idea using rolledplywood structure would result strong fuselage problem fix wing struts wanted make music wire no way feeding through struts holes sides sewing formers flash inspirationI get about five yearsthe answer came making composite formers strut positions plywood/balsa core/plywood would possible leave V shape top core After completion fuselage slot would cut strut positions struts inserted epoxied held balsa V pieces glued remaining slot am pleased say method has proved very successful results rigid structure also simple operation bend struts Top fixings tubing rear nylon saddles front Mark location formers spine keel pieces pin spine upside down onto drawing board using straight line guide As mentioned previously formers Fl F2 have temporary extensions reach extended spine cut away later Use slow-drying adhesive glue formers spine followed keel Continued page 51 thorough job waterproofing Delilah going water Floats held position bolting float legs between two nylon 900 brackets way degree friction can adjusted secure floats allows knock back hit something Float brackets screwed Lite Ply pieces glued wing ribs spars Wingtips formed sheet gussets Check root ribs panel true fit cut slots rib underside dihedral braces can join panels fitting braces pinning center ribs together propping tip up l/s inch did positioning braces holding panels together clothespins warned however easier introduce misalignment panels way wing now ready final sanding covering Floats Construct side panel ensuring former 900 side Add second side followed laminated strut round off November 1995 43 After top-front spar leading edge have installed add 1/16 leading-edge balsa sheeting music-wire wing strut seats center V fuselage former trapped /32 plywood outer laminate Cut slots strut positions epoxy struts place Filler plugs will sanded flush fuselage /2A fuel tank installed engine nacelle Top sheeting added sanded rounded contour Wet outside plywood skin /2 hour before adding fuselage will help curve wood 44 Model Aviation lah suitable film fabric tissue covering thorough job waterproofing before covering rr pcrj &QLQ Back drawing board Delilah met end mid-air collision 40-powered model Samson November 1995 45 side dry roll water-softened plywood around fuselage attaching slow-drying cement Before bottom plywood attached trim sand sides install rudder elevator linkages Glue formers side float add second side strut top sheet plywood bottom added last WIl/8 SHEWISE 3/32 RIB VIA PLY PLATE I/IA BALSA TOP 8 BOTTOM -5I7-fN ~~~1 ,--~ -lL ------- r -~--- ~II-ti-S---- USSET 3/32ID RINGI/BLITE1/Bs 3/IE1 BINS 81 01EVPLYBALSA BLOT 32- TSP 8 BOYSPARBIB ILJWIiL I/B LI~/A3/321OP PLY4-CJ-I PILL MO SHEETSH5 KJ/UISPBRS___-*- ___ if-it--/ VIA BALSA L E SHEET TOP H BOTTOM 1/16 PLYTROOD 3/32 BIB FRONT DIHEDRAL 1/B SAKESIPIA V4I/2 B IE BLACKBOLTER RIB R1/SUNE WING RIBS YE IBO'L4S3/H SPARS ROOT RIB SIHESRAL REAR DIHEDRALTEMPLATE BRACE VIA PLYWOOD ____ BTH NOTE C T AWAY FEBI/BPLY ENSINE NACELLES AFTERPOBMER THE WINO IS BAILT 8 SHEETED LW PLY ENS MOUNT NACELLE 3/3UBALSA- 4 FL2 I/B PLY FL3 FL4 FLS L32 PLY READ OF F-a 1/B BALSA FOUNT OF F-BA_____ ELEV HORN FIN MUSIC WIREREMOVABLEPORWOD I/H TRI 3/32 BALSA CORE WITH-STOOL VSU PLY OUTER PIECES - WING FLOAT FORMERS NOTE PIN PBOVISIOFLAL FORMER F-9F-IaTO F-IS AS SUPPORT DURING __CONSTRUCTION OF FUSELAGE 1/B BALSA SHEET VB BALSA SHEET- -71-I/U RASAFLI FLU FLS FL-AFL-S BLOCIC1--zr--1—- I/IA BALSA ISHEET TOP 4JzLipzT TOP VIEW 1/16 BALSA WINGFLOATSHEET SIDES 90 NYLONWINS NUT S BOLT ATTACH POINT 1/32 PLY OUTER PIECES WITH I/BLLTE PLY CENTER /2 BALSA BLOCK VIA BALSA SHEET TOP 8 SIDES II I/BA FLYFLIJF1FL4FL-S BOTTOMFL-U FLO illll LRSHEETIq iiSIDE$-.-I- 3/3D RIB YB MOUNT VIA BALSA VENT OBAIN WEB ---- -21 __ iAfti7L -z4 4~ L E IS I/4SI/D BALSA-CARVE N SAND TO SHAPE 3/32 RIBV16BALSA I2\IBPLYVERT OBAIN WINO1/16 PLY FREES IWEB DIHEEBAL BRACE/MINI SADDLE FOB / CLAMPING STRUT NACELLE I/BS 3/IA BALSA MAIN EWE- TOP 8 BOTTOM SLOT FOR FIN STABILI E ________ __________ COCKPIT TEMPLATE I/BS 3/B3/32 BALSA BALSASHEET I/4BALOA SHEET SIDES 3/IAS S/IA 5/BYRI-BALSA I/B PLYSTOOL I/IA FLY COS 020 TEE OREWING TIP ENSPIA -3/32 10 TUBE 5/32 MW NYLON OJP STRUT SPINE EXTENDES DURING CONSTRUCTIORIII ALSO PORMERS F-I 8 F-UI/B4FLY WINDSCREENI 5PLY--'L---- OPTIORAL I/3DHEEFF-3A WIRE CROSS BRACING 3/16 BALSA SHEET I/IA DIG MUSICELEVATOR S/I BALSAWEE LONERIHINGE TO SUITI SHEET ELEVATOR3/IA MED L SHY BALSA SHEET HORN TYPICAL HINGE LOCATIONRUD FIN 3/16 SLOT FOR STABILIZER EU HORS RUDDER CASLESI/A BALSA IN SHALL SALTEl-STOCK TURBO \ I/BS 1/4 BALSA SPINEIIL F IS RUDDER I-ERR BALSASCREW NOSE-- --___--ilL L- - zzzzzzII7z277-7 1~II 3/RB VA SPRUCE RECEIVERMINIIIIiF-S3/32 BALSA I/BS I/A BALSA 9iiiI/BAT -5DBIINOTE FIT RUDDER AFTO SPINEIIiiIIIF-FRCENTERSHEET F-IF-ASTANLIZER ID ATTACKED F-UELEVATOR F SF-AESUBS3/IA BALSAPUSHROSWING SPANSB LORGERONPOWERTWO COO 020 TOS CONTROL ELEV AND RUDDER I/BOOFUSELAGE SIDE VIEW BALSA LONOERONFUSELAGE 9 COVERED WITH 1641/B SO BALSACONTROLMOVEMENTS /IFLYWOOD OMITTED FOR CLARITYLONGERONELEV1/2 UPB SNMODEL AVIATION IRUDDER3/ALT 8 BT /NOTE CUTOUTS FOR SLOTS IN FORMERS AREI/BS I/B BALSADELI LAH X- E~NCFLYINO KEEL I/H KEEL MADE AFTER FUSELAGE IS COMPLETE EPOXY VA S/B / I/H SIDES / I/B PLY FORMER I/IA PLY COS OUO TOENG MOUNT MOUNTING 3/B TRI-STOCK FUEL ENGINE NACELLE FEES FRORT VIEW STRUTS IN POSITION 0IB545B [INKED PLAN BY JOE DEMARCO ALL SIGHTS SHEET COAJPUICYIZCD 5/13/55 SSEYTASBESEHOEDI OP I/B BALSA SHEET WING PLAN NOTE DIHEDHAL IS 1-7/B UNDEB EACH WINS TIP BALSA SHEET WOE SCRAP BALSA FILL DeIiIah/Boddington Continued page 43 pieces l/t x /I6 side stringers I/ square longerons Check angles formers Note FlO has flattopped support pinned outside prevent moving hoard Glue /32 sheet between Fl FlO framework has dried remove building board sand former sides flush stringers longerons spine Cut piece 1/&t plywood 26 inches long grain lengthwise 9 inches wide end center cut out panel 5 inches long 4 inches wide position hatch cockpit Mark l/ line down center plywood glue spine front edge F3 lining up cutout Leave assembly dry Again using slow-drying adhesive glue side plywood frameworkwetting outside plywood half hour before fixing will help curving satisfied side attached framework points except nose Fl near F3 glued later pin side building board leave dry same other side plywood can glued pipned front formers Before bottom plywood attached lower edges sides have trimmed sanded rudder elevator linkages have installed rudder closed loop 20pound-test nylon-covered fishing trace line should routed through narrowgauge nylon tubing used standard pushrod elevator linkage could use snake try select reasonably small diameter3/I6 OD tubing looks wrong exiting small model bottom sheet position nose block can fitted hatch cockpit formed Now time cut slots November 1995 51 WAYNE NEWERT IIURODUCES HIS SECOND IN SERIES OF HIGH-lECH IRE4UILT EXACI4CALE MODELS kit designed diuriminatiuig uale modelers demand THE BEST kit engineering Completely pre fabricated high technology graphite carbon fiber combining incredible strength light weight model masterpiece detail model has panel lines over 20000 rivets 400 Philipshead 100 ilotted-head screws molded right wing fuselage Ailemni flaps pre hinged ease assembly Landing gear attached encapsulated aluminum main spar mounting plates landing gears wing engine servos tail assemblies come already installed Aircraft $189500 ping Included retracts 5 main wheels scale tail wheel gear door hardware sequencing spool valve spinner V CALL AEROTECH UONU mor lnfornosioo nod oth piones P-Si test-flight video $1000 r6dubi pursitaso onessory pris lists wore 612 7211285 Fax 612721-1181 Vertical Fin has degree offset MIECH DIIEt 2740 31 Avon. toothros Uionoopoiis MN 55406 USA Wing Area Flying Weigh. Engine Choices 6 ci ie 000 [or 7 drop Model Airplane Design Performance Modeler book must model airplane builder flyers library covers model airplane design perfor mance modeler mind Topics arraned sequence leads example designs ra 10 control model airplanes Early Developments Terminology Stability Control Performance Desiij $2495 shipping handing Toll Free Orders MC VISA & AMEX 1-800-364-2665 Check MO Challenge Engineenng Inc PO Box 67 New Baden TX 77870 TX residents add tax-- US currency Only Cs 44 ran MO# struts Positions can ascertained drawings once knife has located slot easy follow plywood sides formers Dry-fit struts check fit wing struts Once youre satisfied leaving wings fixed epoxy struts slots Add 3A2 balsa filler sand profile fuselage Finishing Whichever covering method use Delilah suitable film fabric tissue thorough job sealing waterproofing going take water Cover fin rudder tailpiane elevator separately before joining fin tailplane Hinge elevators first followed rudder Glue tail assembly fuselage supporting fin triangular gussets Radio Although Delilah quite petite still ample room bays between Fl F2 F2 F3 standard-size equipment forgot include tube route antenna rear model take top fin switch should positioned internally remote operation toggle arranged Flying All standard checks balance radio operation correct direction control movements should made first flights would certainly suggest hand launcheswater flying can come later Although model will fly either engine dead has quite respectable glide its better starboard engine cuts first minimize torque effect Always start starboard engine first top-off port fuel tank before launching Completing flying boat just winter LASER CUT KITS RUBBER POWERED FF SCALE kit features finest LASER CUT BALSA Contest Ritber Computer Drawn Plans Complete Hard PacA Authentic Full Color Waterside Decals Real Colored TIssue Comptete Instrudlons Please check local hobby dealer first kits available better hobby shops around world Catalog $200 Add $400 shippng kit Overseas orders add 20% FL residents add 6% sales tax Made USA rr Engineering Coip 1431 Chaffee Dr Suite 3 TituavIlie FL 32780 407 264-2488 worlds leader Laser Cut model aircra Dealer Inquires invited 52 Model Aviation ds Best approaching does perhaps suggest best planning winters tend rather cold damp definitely conditions messing about boats However nice crisp four-inch layer snow year coincided delightfully sunny afternoon temptation really too great telephone call fellow modeler Jeff Barringer didnt find him office gone home exactly same thought Lets go flying Neither Cox TD 020 engines run before little unkind expect roar life just-abovefreezing temperatures Surprisingly exactly what did happenwithin few minutes both engines given quick run thanks small electric starterdetails later tanks topped off both engines started Needle valves adjusted both engines running really rich Jeff gave launch Power settings just enoughthe model gaining height hedge rapidly approaching decided dump modelbut forgot snow would provide braking force Delilah skipped once ended up thorn bush Careful extraction revealed few puncture holes starboard float knocked back proving effectiveness friction-bolt fitting next attempt made engines almost full songaway went prettily youd like Despite what consider forward center gravity elevator position slightly up handling responsive no throttle its little difficult carry out low runs cameraits difficult perform FREE HAPPINESS IS Fox Manufacturing Company want thank support business past years ones have helped make possible us CATALOG ii FLYING FOX MOTOR to serve again future strive make products A-i prices low possible service best FOXS SECRET OF SUCCESS IS SERVICE FOX MANUFACTURING COMPANY 5305 TOWSON AVENUE SMITH ARKANSAS 72901 PHONE 501 646-1656 501 646-1757 November 1995 53 LIGHTING SYSTEMS THE ORIGINALS. Still Best RAM 01 Adj Flash Nay Lights 9V NEW 94 span WI wing light conn $2995 RAM 02Strobe Light 9V adjustable flash rate1995 RAM 03Landing Li9hts 48V receiver controlled3995 RAM 04Mars Rotating Beacon 9V adjustable rate1995 RAM 06Sky Lights 18 Light Set 72-9V best way fly night2495 RAM 14Big Airplane Navigation Lights 9V 168 span non flashing2495 RAM 15 Non Flash Nay Lights 9V NEW 94 span wi wing light conn 1495 RAM 16 Econo Landing Lights 9V servo controlled brightest 1995 RAM 23 Real Strobe Li9ht 3V brightest 2995 RAM 65 T6 Lg Scale Lighting 72-9V Comb #s 04 14 & 16 100 span 5995 S SEE YOUR DEALER SEND STAMPED ENVELOPE FOR RAM INFO unavailable iccaiiy send check money order full credit card info cost item pius $400 $500 foreign immediate shipment Include fuii address UPS Sorry no COD 229A E Rollins Rd d Lake Beach IL 60073 Precision Miter Saw Sawing Tool Miter Saw hardened steei razor saw travels within precision guide aliowing craftsman make accurate cuts wood plastic metai Miter Saw is constructed durabie hardwood rigid giass fiiied nyion adjustable fence swings through arc precise degree marks positive stop 90 aiiows modeier make accurate repeatable cuts tight fits mitered corners Miter Saw excelient tool hobby requirements including * Model Airplane Ship parts * Model Railroad Train Layouts * Miniatures Furniture Picture Frames Price $1995 * Cutting Brass Copper Aluminum Tubing Product No FOR 153 FOURMOST PRODUCTS Look other great products Iron Fourmost nearest hobby dealer direct orders include $350 Shipping 4040 24th Avenue Forest Grove OR 97116 6am 7&4deat II Presents. completely finished unit made r select maple hardwoods birch plywood Interlocking Thh construction Medium pecan OX Features four folding legs locking adjustable holders wing holders back Both lined neoprene coated sponge rubber Slide out power module built-in tool rack carrying handle -- holds battery starter Flight Box will fold down nice suitcase package 21 1/2 x 9 1/2 x 16 overall will hold gallon fuel can transmitter plus has two drawers parts Also available Four drawers instead Power Module--four small drawers either side Boat unit completely adjustable holders minus wing racks Made America Americans B A/Visa Master Charge Welcome e4 inctive Quality Wood 4630 Day Road thur CA 96066 e 916-336-6990 $16495 shippIng Included Calit Residents add 7 1/4% aalea tax 54 Model Aviation ys little fast model small Shortly after flyby starboard engine cut found out what asymmetric flying going like Fortunately nothing dramatic happened Delilah quite happy engine except turning port live engine rather marginal Putting rudder trim way left solved problem fact handling qualities good carried photo session remalning engine single engine two-stroking smoothly away easy carry out circuits losing altitude straight line Delilah climbs quite steadily engine After few flybys time think about landing galned some altitude waited port engine cutwhich did distance touch-down fine maiden flight successful Water flying must walt action far too exciting article go ahead Just sound two Cox 020s in-beat makes worthwhile Finally word about control movements Delilahs maiden flight barely 3/s-inch elevator movement up down proved suitable Rudder movements just over /2-inch left right stated before barely sufficient just engine flying would recommend rates should have movement way rates off should have movement left right will give ample rudder movement regardless engine cuts out soon rates switched out may possible safely move CG further rearward did bother change model flies well indicated position hate adding nose weight absolutely detest having ballast tail After numerous excellent flights Delilah met fate full-frontal midair collision 40-powered model during Old Warden Fly-In really cut-up about whole proceeding make matters worse delighful Cox TD 020 engines flew off never seen again least accident will act spur commence building Samson Add Up 1500 RPM Over Stock Muffler Without Hassle Tuned Pipes Now available ASP 45 Magnum 40/46/53 OS 32140/46SF Rossi 40145 Supertigre 40/45/51 Webra 32/ 40/50 VS 45 DC/SP 40/46/53 Send $300 catalog Dealer Inquiries Invited -Actual size shown -Vibration Resistant -Exellent Fuel Pressure & Smoke -Locking Baited Fittings 2411r Order Hotline 800 273-AERO 22nd Century Aero Products Inc 2763 West Ave L Suite 295 Lancaster CA 93536 CA residents add 825% sales tax Add $300 Shipping Handling Within USA MASTERCARD & VISA ACCEPTEJJ II I I