NO OCR TEXT NO OCR TEXT rib ribs cut stack together flat surface short pieces spar material notches hold alignment Pin together sand correct outline sand ing block 100-grit sandpaper sanding finished ribs should look like cut bandsaw single block Select four ribs stack slice 1/16 top bottom ribs will go center section wing trimmed make way sheeting covers Slice 1/16 both sides main spar notches ribs accept dihedral braces will strengthen center section joint Cut dihedral braces main spars trailing edge 1/16 plywood metal straightedge utility knife make relatively easy job Cut repetitive light strokes Cut trailing edge sheet firm 1/16 sheet balsa spars leading edge /4 can best stripped metal straightedge sharp model knife Use care hold knife exactly right angle sheet edges strips will true Make jig shown photos cut webs main spar webs 2-15/16 x tep ready go wheels ahead center gravity leading edge wing simplify tail-dragger landings Spreader wire between gear lets bounce down have no sweat just thing Touch-and-Go fun fly Hail view snows steerable tail wheel washer soldered music wire hold wire place against nylon bracket wire extends up through fuselage lower part rudder R rear view showing control surface linkages original mode hinged MonoKote see text instructions engine easily cowled adding balsa bottom sanding shape wish leave off cowl cutting fuselage firewallit wont hurt performance 1/16 BALSA WEBS OUTTO 6ThRIB- 1/16 PLY#OOO BRACE AT SIR -TOPS -BOflCtl FRONT AND REAR 1 1/16 SHEET BALSA CENTER SECTiON OILY PLY BRE AT TE 3/16 SQ BALSA LONGERONS AND FRAMING 3/16 XI/2 BALSA WING SADDLE 1/16 SHEET BALSA TOP AND BOlTOM 1/4 BALSA DORSAL K 1/4 SHEET BALSA 1/4 SQ LEDGE AND RIBSRWDER STABILIZER 1/4 X 1/2 FIN FRAMES NYROD GUIDES 1/4 SHEET BALSA TAB CENTER PLATltlv1 V4 DOWELS I/BBALSA COWLtJG V4 PLY WOOD FIREWALL 15 ENGINE I/4X 1/2 LEDGE-TIP- SR WHEEL ON 1/16 WIRE THRU BRACKET INTO RUDDER 1/B BALSA SHEET SIDES NOSE 10 TTlL 1/16 SHEET TE TOP AND BOTTOM WITH WEBS Co CD CD 2 C CD -i 0 0 I3 1/4 SHEET FORMER SOFT BALSA BLOCKS I/ M WIRE SPREADER F 3 I/B SHEET BALSA FORMER 3/16X 1/2 BALSA SUPPORT FOR SERVO TRAY I/Is PLYWOOD DOUBLER TO flREWALL F-2 I/BPLW4000 FORMER I/BPLYOD DWBLED FOR LG hJNT I/B SHEET BALSA TIPS 1/16 SHEET BALSA RIBS ALL EQUAL N 1/4 X I/2BALSA SPARS TOPAND BOTTOM I/4SQ BALSA L E SPARS TOP AND BOTIOM I/4SQ LEADNG EDGE HARD BALSA 2 1/2 WHEELS ON 3/32 P&JSIC WIRE GEAR 4 trailing edge webs 2-15/16 x 1A Note angle center rib two wing grain vertical longest dimen- panels can joined proper dihedral sion Make dihedral angle gauge card- angle wing now ready assembled board shown plans used set flat building board absolute necessity should 36 long least 12 wide material will hold pins firmly Plywood -in thickness works well Pin plans work board cover 24 Model Aviation make tempiate rrom tfllcK cardboard ue tile toider use tine Cut notches spars first before rest rib helps point marker make printed sheet wing ribs keep splitting wood go Stack ribs together insert two pieces spar stock top bottom hold place Sand stack until ribs smooth simple jig makes short work cutting spar webs Side pieces hold sheet straight metal straightedge cutting surface finished wing kit parts cut sanded shape before beginning construction wing Its easier way Cut dihedral angle gauge cardboard thin plywood see plans use set center ribs proper angle Uevel trailing edge allow top sheeting ut smoothly nnished center joint wing Note dihedral braces place either side main spar top bottom trailing edge September 1981 25 lop trailing edge sheeting place Note fits behind spar cruaning uiu wOd rubberband wing hoId-d.... aud gussets wing tip pieces sand curve dont make contact iron-on covering Build rudder stabilizer over tne plans iover plans clear plastic wrap wax paper prevent gluing parts Wrap medium grade sandpaper around -in dowel sand gussets Cut out boTh tuselage aloes same mIme rin IueLnur e,u u ins pywoou uuuuur servo mounting rails wing mount installed Note wing mount rails trimmed fit over doubler Glue bulkheads fuselage side use triangle assure squareness wax paper plastic dry cleaner bag protect glue Pin bottom trailing edge sheet bottom main spar over plan Pin piece scrap 1/16 balsa shim under two center ribs will hold off board allow room center sheet ing Using dihedral gauge guide trim ends two main spar webs two trailing edge webs dihedral angle Temporarily place some scrap 1/16 balsa both sides main spar center take place di hedral braces install center rib Use dihedral gauge set proper angle Glue top spar bottom trailing edge sheeting Glue trimmed spar webs trailing edge webs place next center rib Add next center section rib glue top main spar well webs trailing edge sheeting Install webs first regular rib dihedral braces extend far top main spar Continue adding ribs webs out tip spar webs extend part way out trailing edge webs go way tip ribs glued place add top main spar sure glue webs 26 Model Aviation Attach Other side bulkheads checking alignment carefully Addsheetingtothetopandbottomofthefuselage Notegraindirection tank held place foam blocks either side sure install fuel lines kink form engine cowl epoxy soft balsa wedges fuselag nose block epoxied place whole front end trimmed sanded shape fit engine installation iw urn ur scrap ooara ror bending soldering landing gear Attacn ianaing gear iegs tne ruseiage wirn straps shown plans FULL-SIZE PLANSAVAILABLE SEE PAGE 140 04 SO FRONTSd OSE ShEa 03/ROOT3/ARTOfl 0*0 ARC OFARMS 0 M4M2 BALSA5505 3/BA SEERS 5 we01650220005 FIX S BALSAMSRN& ARMS80*35 *30 BALSA 00 ROAR LEFT WING PLAN ~0 STFR aS 3/AC EpOS MS VEROCALSOOT 0* EAC 8050 TAR 8800 2 OOEMSAL A-MO 20*5 EAO OF03/SYS FRALOSO FORE FOWE BAFFLER weROAW S OMEARLAR LIPE WOO 001 TO FT MOOT SRAFT IS 500000 TAROrILeiM4FSoMR P50 FlFA 00500 5000 BALSALS 3/53/0MS SO LEAMSC4 BALSA OJABATSLOSH 005103 SIR TO COONESBOC SOlO ARMS ___________________ AL.. -TO CEOSAL OSSACO 0000510 01025 & ROlLS RIGS-SF ______ ______ ______ ______ ______ ______ ______ ______ ______ OARS ARC RB Ma BALSA ________________ ________WCG 03 OTHER SIDES0RasA __________22 REAR THIS TO ooTTOO IWE MS OFUTER RIBS LTC0SELSA 63/0 THBA0SEORE SOSLOSO 53/BALSA *o - _____ _____ -03/LW AWE SOHAR_________we Wa BALSA3/s MAR SlOG ESlBAfONAL ROLES MS 000 Wa4 we MACMS 70010 ewe A00MARS MR*L os SOOT s/raw LAROhA 3/ARBALSA FROST CR0 SOT oo MS31000 oRICELMS0S WE MSBAJ#A ACES MS MS PLO AR TMSOSSI WIRY EFROY H FEooBIEET0*LOoATIoB 000SF 0000FlBATTERY FM SOARLIStRISSAL MO 000 BALSA N 0SA L 05003/S LOOtS 3/AR 505100 03/ WOOF SOROSSOTOO MA RiO SAALOROSSO raw SART VS BALSA BATE50 T 0050 0050SF WIRY 2-8 0505SF {0\ 3ARA% 000000 0000 S-AR ENAREAMA SES*E0S MIO sowEr 005 SE 900500 MS WiSE WE IASE PLO OSIOROOL 006007I WHEEL 00 C r S C s C ST-aREA 555 SEQ 95W0 SW Ut ITRACING ET JOE DEMBRCO well ribs Add top front spar Glue 1/16 x 3/32 trailing edge bottom sheeting back ribs add top trailing edge sheeting time glue has set remove wing half plan add bottom spar leading edge Build other wing half same sequence root tip both sections wing finished use sanding block bevel trailing edge match slope ribs top sheeting will fit smoothly Trim 1/16-in notch trailing edges both center ribs panel accept 1/16 plywood trailing edge brace Remove shims spar notches center ribs insert 1/16 plywood main spar dihedral braces should fit smoothly place both wings Use sanding block sand spars leading edge trailing edges both wings match angle center rib Place panel flat bench elevate other panel five inches tip two panels should fit together perfectly Join two panels dihedral braces main spars trailing edges Clothespins provide good gluing pressure spar braces handy holling things alignment until glue sets Before everything sets check alignment panel flat bench other tip five inches above board main spar tip well trailing edge tip Glue top trailing edge sheet place add gussets atthe centerandtipribs Sheetthe top bottom center section Note sheeting goes between spars Cut tips soft t glue place gussets spar locations scrap wood leading trailing edges Dress leading edge tips 100-grit sandpaper sanding block up trailing edge Sand complete wing fine sandpaper epoxy 1/16-in music wire center wing now ready cover fuselage fuselage sides cut two sheets a 6 wide 36 long sheets can made edgeContinued page 107 Low flyby shows off pert little bird its best advantage Tail-draggers have charm sf0 tneres OflO less llflK8C wnen dont have steerable nosewheel Add hands-off stability solid construction youll see like Onestep training purposes September 1981 27 w -I MAR INTRODUCING TRIC LINE CONTROL MODELS B [ ELECTROLINE MODELS FUN PO BOX 25030 SAFE BEVERLY HILLS CA 90213 SEND FOR FREE INFORMATION ON MODEL KITS AND ACCESSORIES QUIET CLEAN EASY TO FLY FAST ASSEMBLY FLYS 15-20 MIN LOW COST Onestep/Randoiph Continued page 27 glueing 3-in stock form wider sheets cant find size Trace side view fuselage onto sheets Hold both sheets together masking tape cut both fuselage sides same time Use fuselage sides template cut 1/16 plywood doublers sheet 6 x 12 ply should provide both doublers sharp knife should cut 1/16 plywood ease Epoxy doublers place fuselage sides left right Epoxy has less tendency warp sides Glue longer ons uprights overlap doublers trim away 1/16 will fit smoothly over glue has cured place two sides back-to-back plywood-longeron sides out sand edges both until same Cut firewall Fl A-in plywood Cut bulkhead F2 Vs-in plywood Build up balsa bulkhead F3 -in stock Mark drill holes firewall engine mount fuel overflow lines throttle line Install blind nuts aft side receive engine mount bolts Epoxy place Glue fuselage bulkheads F2 F3 position sides Use triangle align right angles side glue has set glue other side directly over first Bevel inside longerons tail fit together both sides joined glue Use straightedge across stab cutout squareness Bring sides together firewall epoxy place plywood doubler Sight down fuselage check alignment Glue 3-in piece 1/16 balsa grain running across fuselage just front stab cutout top fuselage Install outer Nyrods elevator rudder Use epoxy microballoons Install rest top bottom sheeting aft F3 top sheeting just aft bulkhead filled scrap wood trimmed sanded conform dihedral angle wing Install Vs balsa floor under tank location spread epoxy tank area protect fuel spilL Install Nyrod firewall cabin area throttle line Continued nrnp 112 SImply screw el. engine mount nd lank bracket work bench tool boa bolt ejipine ready run minutes Includes Cast Aluminum Engine Mount 4 oz Polyethylene Tank Tubes Fittings Tank Mounting Bracket Mounting Screws Nuts Bolts inin inmmm m m q ENGINE TEST STAND I only 1395 IU I1 II II II GUARANTEED strangest ru ed engine test stand available Fully adjustagyefor ii engines V2A Ia 80 displacement eptemoerii 1w 5 4 ddlO Williams DlOT5 jon moxners isne ausnors granason just before Jons first flight Onestep perfect trainerit wont spiral dive Eddie cuacnas JOEl nrougn nis yirsi Takeoff Onestep raises Its tail GIANT SCALE -1 QUARTER SCALEi &_ 3 iFOOTI SY POPULAR DEMAND SPANDAU & VICKEES PLASTIC GUN KITS STANDARD PILOT COMPLETE WITH GOGGLES GNOME ROTARY ENGINE CYLINDERS VINTAGE GOLDEN AGE ARALLOON TIRE WHEELS Send $1 lilustrated Catalog WILLIAMSBROTHERS INC IIlU025 Dept MA 181 Pawnee Street Marcos Calif 92069 ALL NEW FROM PICA EIP 1059 oz five minute epoxy difference sandable epoxy available Compatible resin coating has new flip-top cap Industrial Strength 100% uncut resin FOR THE NEWCOMER Its super stable gentle faster building versatile Extended Wing version SPECIFICATIONS Fuselage 44V2 inches Extended Wing VersionWeight 4-4V2 pounds Wing Span 54 area 615 sq inches Engine 25-40 Wing Span 50 area 565 sq inches GLUIT H/P 601 12 oz heavy duty aliphatic white glue especially formulated modelers Its sandable fast drying truly heavy duty Its great hardwood plywood fiber materials subject high stress torque 557 N 6 188rn S M am Fl0 33180 TeeQnoae 935 1436 CANTON MODEL PRODUCTS Presents Dip Stick FAST QUICK EASY TO FINISH DS 40 55 SPAN 560 SQ IN WING LOADING 165-20 OZ 29-45 ENGINE 43 LENGTH 3 OR 4 CHANNEL PRICE 4995 ADD 4 SHIPPING CHARGE DS 60 64 SPAN 672 SQ IN WING LOADING 20-22 OZ 46-60 ENGINE 48 LENGTH 3 OR 4 CHANNEL PRICE 5995 EXTREMELYADD 6 SHIPPING RUGGED TRAINER CHARGE WITH SYMMETRICAL AIRFOIL FOR AEROBATIC FLYING HIGHLY PRE-FABRICATED KIT INCLUDES PRE-SHEETED BALSA FOAM WING5 PRE-BUILT JIG ASSEMBLED WOOD FUSELAGE PRE-SHAPED BALSA TAIL ASSEMBLY PRE-FORMED LANDING GEAR TAIL WHEEL AND AILERON WIRES INSTRUCTION SHEET WITH FULLY ILLUSTRATED ASSEMBLY DRAWINGS TO ORDER SEND BANK CHECK OR MONEY ORDER TO CANTON MODEL PRODuCTS PO BOX 6063 CANTON OHIO 44706 OR CALL 12161 4541535 FOR IMMEDIATE COD SHIPMENT Glue -in copper tube fuel overflow lines through firewalL Cut wedges foam fit betwen tank fuselage sides glue place tank should snug fit between foam firewall bulkhead F2 Connect fuel overflow lines tank firewall tubes complete top sheeting firewall wing mount Put wedge foam over tank during sheeting hold firmly place fuselage sides can cut off front firewall fully exposed engine desired Little no difference flying will noted cowl desired cut wedges soft balsa epoxy bottom fuselage sides front firewall glue has set use sanding block sand wedges flush sides sheet bottom soft a sheet front cowl firewalL Temporarily install engine mount engine firewall Slip 2-in paper disk shaft trace around soft pencil mark its location front cowl Cut semi-circle -in soft balsa 2 in diameter Epoxy nose block location marked front cowl glue has set mount 2-in spinner engine coarse sandpaper sand cowl front conform spinner Trim cowl sides clear muffler give access needle valve lines fuel throttle Sand cowl sides smoothly spinner Make sandwich ood landing gear mount shown plans Glue place complete bottom sheeting 1/16 balsa aft landing gear mount tail Build stab rudder right over plansjust wing assembled forget 1/32 plywood doubler adds little weight much strength movable parts cut very soft wood sanded conform outline mating surfaces will hinged place covering applied Sand complete airframe fine sandpaper airplane ready cover Covering covering can commercially available iron-on coverings Follow instructions come covering covering fuselage bottom should covered first sides finally top Overlap covering engine area paint firewall inside cowl seams around cowl matching epoxy paint glue seal areas fueL pinstripes between trim areas sliced black film ironed place seems stay place better trim tapes landing gear Scribe two parallel lines 2 apart piece scrap board will jig assembling gear Bend two landing gear legs 3/32-in music wire Attach legs across other along lines jig board clips screws just will mounted fuselage Bend spreader 1/16-in music wire Bind joints formed two legs spreader side soft copper wire solder Slip piece -in brass tube over axle solder washer tubing axles Slip wheels axles hold place -in collars Check align ment solder epoxy clips legs remove jig board Hold gear place fuselage mark location screw holes gear mount Drill 1/16-in holes spots install gear Trim covering away top fuselage fin will attached center section stab goes through fuselage Hinge elevator stab epoxy fin stab place Bend tail gear 1/16-in music wire top part goes rudder bent until after gear mounted Solder washer place shown Screw epoxy gear mount place Mount wheel Slide gear through mount fuselage stab bend arm epoxy place rudder hinged fin wheel should move rudder line Completion Attach engine mount firewall mount engine Install radio gear wrapping battery pack foam sealing plastic hag slide up under tank shown plans Mount servos plywood tray Move servos receiver forward backward cabin until airplane balances location shown Glue servo tray place rails Wrap receiver foam hold place Install rudder elevator horns locations shown connect servos Nyrods threaded studs devises surfaces should neutral throttle line florist wire run through guide Z-bend attaching throttle arm well servo Bend -in U-shape line between firewall throttle arm adjustment strain relief Epoxy A-in dowel wing hold-downs place airplane ready fly Continued page 116 112 Model Aviation Flying As new installations range check radioand check movement direc tion surfaces engine running everything working perfectly its time test flight trim flight prefer call Onestep handles very well ground As conventional-gear airplanes downwind turns difficult Tracking takeoff excel lent wind lift-off rather rapid cause light wing loading ready 15 full throttle climb-out about 450 angle ground Half throttle provides best cruise outermost holes rudder elevator horns used control response quite gentle classic vertical spiral dive must done deliberately holding down elevator Landings quite slow application back stick increasing throw control sur faces rolls snaps may done Inverted flight possible requires lots forward stick As well being solid stable trainer Onestep will hold its own fun flys can bounced precision landings will loop very tightly need can carry its own weight payload model good first step Schneider Races/Berliner Continued page 35 obviously-faster Passaleva 551 took off just after Biard finished lap expecting blast Englishman Out race soaking Savoia received capsized trials affected glue its propeller wooden laminations began separate Passaleva forced throttle back keep vibration manage able leveL prop somehow hung together 1 hours finished almost two minutes behind winner Biard other Italians well back Biard averaged record 1457 mph Passaleva 1426 mph Zanetti 133 mph Corgnolino 124 mph progress stimulated increasingly com petitive prestigious Schneider Trophy pushed four finishers speeds higher existing record set just year before next racethe seventh series would held Cowes England autumn 1923 would see first serious entry United States end era standard modified produc tion seaplanes would dominate Schneider would race racing aircraft would also second half story would stick memories aviation enthusiasts throughout world because races brought spotlight some exciting pure-speed aircraft would ever seen RC AerobaticsNan Putte Continued page 37 maintain Knife-Edge airplane rolled 900 clockwise didnt happen Surprisingly bit right rudder required last point Four-Point Roll before Does pipe cause fuel consumed Definitely Supertigre G-60 used burn about 10 oz fuel complete Expert class Pattern flight now goes through about 14 oz computes about nine Pattern flights per gallon fuel Its good thing make own fuel bottom line dont like looks fuel consumption piped engine like way makes Expert pattern easier well still dont think benefits warrant use tuned pipe Novice Advanced classes flying field yesterday asked advice experienced flier problem easy solve began wonder werent few experienced fliers out same difficulty mention beginners RC flying What prob lem couldnt keep airplane bounc ing unless performed perfect landing two things wrong landing gear setup either would have caused bouncy landings First airplane sat nose-high landing gear type setup guarantees difficulty landings because wing positive angle attack lift will generated long airplane moving means airplane will attempt take off again its landed hot higher angle airplane sits slower speed will try take off again best way eliminate problem set up airplane fuselage sits parallel runway slightly nose-down nose slightly down lift killed airplane rotates onto nose gear model tends stick runway However excessive nose-down attitude will cause airplane impossible take off smoothly since will difficult rotate nose up until model moving very fast airplane looks like hound scent landings may easy takeoffs will very abrupt second problem flier angled main gear struts back because liked look way Unfortunately gear struts angled hack airplane tends squat landing cause vertical load landing causes strut bend further back up nose gear doesnt same Continued page 118 * 30% STAND OFF SCALE SIZE * 92 WINGSPAN SO IN * WEIGHT 15 21 LBS * FiBERGLAS COWL LFANTS * GuADRA ENGINE * AVAILABLE NOW *PRICE6dOrI95 1/4 Scale d War K #RCQS-7 Plan Set $2495 80A Wingspan 24 Cu Engines Wgt 10% lbs wia radio 3-5 Channels R/C FOKKER TRIPLANE DR-i IIRCQS-e Plan Set $2495 70 Span maneuverable flys limited ares tie ds Prices tor Complete Plans Sub Assembly ano Detailed Parts Lists Add $200 Mailing Tube Send BroChure Details new designs & great thin9s come Send $100 retundable tor information 5 6 Model AVIaTIon THE WORLDS FIRST ADJUSTABLE HAND SANDEREXTRA HANDS THE DUPLICATOR MKI IPat PendingModel Aircraft Covering Tool Just duplicator does followingModel No 36 Pat No 33867271 Creates accurate 180 round patterns last breakthrough hit Toledo edges wings 118 fhru 112in make covering easyMacs Dallas stabs rudders,# 1116 incruments fast novicePasadena shows fuselage etc luded tool ert Duplicates roundsAC Make own Works types angles up 1 v I/ number sizes monokote order direcl $1995 semi-rounds curve patterns intinite covering material . dealer deep 34 oz fiberglass plus $200 shipping dealer order direct $1995 plus $200 shippingGREAT TIME SAVERS INVENTED BY AVID MODELER TO MAKE BUILDING EVEN MORE ENJOYABLE Once add foot cottection N J LIND COMPANY youtt wonder got atong them2912 Walker Lee Alamitos CA 90720Distributors inquiries incited U U 1or Outstanding Big Scale Aerobatics r Ohio S SSm 66I0-S6. 0
Edition: Model Aviation - 1981/09
Page Numbers: 20, 21, 22, 23, 24, 25, 26, 27, 107, 112, 116
NO OCR TEXT NO OCR TEXT rib ribs cut stack together flat surface short pieces spar material notches hold alignment Pin together sand correct outline sand ing block 100-grit sandpaper sanding finished ribs should look like cut bandsaw single block Select four ribs stack slice 1/16 top bottom ribs will go center section wing trimmed make way sheeting covers Slice 1/16 both sides main spar notches ribs accept dihedral braces will strengthen center section joint Cut dihedral braces main spars trailing edge 1/16 plywood metal straightedge utility knife make relatively easy job Cut repetitive light strokes Cut trailing edge sheet firm 1/16 sheet balsa spars leading edge /4 can best stripped metal straightedge sharp model knife Use care hold knife exactly right angle sheet edges strips will true Make jig shown photos cut webs main spar webs 2-15/16 x tep ready go wheels ahead center gravity leading edge wing simplify tail-dragger landings Spreader wire between gear lets bounce down have no sweat just thing Touch-and-Go fun fly Hail view snows steerable tail wheel washer soldered music wire hold wire place against nylon bracket wire extends up through fuselage lower part rudder R rear view showing control surface linkages original mode hinged MonoKote see text instructions engine easily cowled adding balsa bottom sanding shape wish leave off cowl cutting fuselage firewallit wont hurt performance 1/16 BALSA WEBS OUTTO 6ThRIB- 1/16 PLY#OOO BRACE AT SIR -TOPS -BOflCtl FRONT AND REAR 1 1/16 SHEET BALSA CENTER SECTiON OILY PLY BRE AT TE 3/16 SQ BALSA LONGERONS AND FRAMING 3/16 XI/2 BALSA WING SADDLE 1/16 SHEET BALSA TOP AND BOlTOM 1/4 BALSA DORSAL K 1/4 SHEET BALSA 1/4 SQ LEDGE AND RIBSRWDER STABILIZER 1/4 X 1/2 FIN FRAMES NYROD GUIDES 1/4 SHEET BALSA TAB CENTER PLATltlv1 V4 DOWELS I/BBALSA COWLtJG V4 PLY WOOD FIREWALL 15 ENGINE I/4X 1/2 LEDGE-TIP- SR WHEEL ON 1/16 WIRE THRU BRACKET INTO RUDDER 1/B BALSA SHEET SIDES NOSE 10 TTlL 1/16 SHEET TE TOP AND BOTTOM WITH WEBS Co CD CD 2 C CD -i 0 0 I3 1/4 SHEET FORMER SOFT BALSA BLOCKS I/ M WIRE SPREADER F 3 I/B SHEET BALSA FORMER 3/16X 1/2 BALSA SUPPORT FOR SERVO TRAY I/Is PLYWOOD DOUBLER TO flREWALL F-2 I/BPLW4000 FORMER I/BPLYOD DWBLED FOR LG hJNT I/B SHEET BALSA TIPS 1/16 SHEET BALSA RIBS ALL EQUAL N 1/4 X I/2BALSA SPARS TOPAND BOTTOM I/4SQ BALSA L E SPARS TOP AND BOTIOM I/4SQ LEADNG EDGE HARD BALSA 2 1/2 WHEELS ON 3/32 P&JSIC WIRE GEAR 4 trailing edge webs 2-15/16 x 1A Note angle center rib two wing grain vertical longest dimen- panels can joined proper dihedral sion Make dihedral angle gauge card- angle wing now ready assembled board shown plans used set flat building board absolute necessity should 36 long least 12 wide material will hold pins firmly Plywood -in thickness works well Pin plans work board cover 24 Model Aviation make tempiate rrom tfllcK cardboard ue tile toider use tine Cut notches spars first before rest rib helps point marker make printed sheet wing ribs keep splitting wood go Stack ribs together insert two pieces spar stock top bottom hold place Sand stack until ribs smooth simple jig makes short work cutting spar webs Side pieces hold sheet straight metal straightedge cutting surface finished wing kit parts cut sanded shape before beginning construction wing Its easier way Cut dihedral angle gauge cardboard thin plywood see plans use set center ribs proper angle Uevel trailing edge allow top sheeting ut smoothly nnished center joint wing Note dihedral braces place either side main spar top bottom trailing edge September 1981 25 lop trailing edge sheeting place Note fits behind spar cruaning uiu wOd rubberband wing hoId-d.... aud gussets wing tip pieces sand curve dont make contact iron-on covering Build rudder stabilizer over tne plans iover plans clear plastic wrap wax paper prevent gluing parts Wrap medium grade sandpaper around -in dowel sand gussets Cut out boTh tuselage aloes same mIme rin IueLnur e,u u ins pywoou uuuuur servo mounting rails wing mount installed Note wing mount rails trimmed fit over doubler Glue bulkheads fuselage side use triangle assure squareness wax paper plastic dry cleaner bag protect glue Pin bottom trailing edge sheet bottom main spar over plan Pin piece scrap 1/16 balsa shim under two center ribs will hold off board allow room center sheet ing Using dihedral gauge guide trim ends two main spar webs two trailing edge webs dihedral angle Temporarily place some scrap 1/16 balsa both sides main spar center take place di hedral braces install center rib Use dihedral gauge set proper angle Glue top spar bottom trailing edge sheeting Glue trimmed spar webs trailing edge webs place next center rib Add next center section rib glue top main spar well webs trailing edge sheeting Install webs first regular rib dihedral braces extend far top main spar Continue adding ribs webs out tip spar webs extend part way out trailing edge webs go way tip ribs glued place add top main spar sure glue webs 26 Model Aviation Attach Other side bulkheads checking alignment carefully Addsheetingtothetopandbottomofthefuselage Notegraindirection tank held place foam blocks either side sure install fuel lines kink form engine cowl epoxy soft balsa wedges fuselag nose block epoxied place whole front end trimmed sanded shape fit engine installation iw urn ur scrap ooara ror bending soldering landing gear Attacn ianaing gear iegs tne ruseiage wirn straps shown plans FULL-SIZE PLANSAVAILABLE SEE PAGE 140 04 SO FRONTSd OSE ShEa 03/ROOT3/ARTOfl 0*0 ARC OFARMS 0 M4M2 BALSA5505 3/BA SEERS 5 we01650220005 FIX S BALSAMSRN& ARMS80*35 *30 BALSA 00 ROAR LEFT WING PLAN ~0 STFR aS 3/AC EpOS MS VEROCALSOOT 0* EAC 8050 TAR 8800 2 OOEMSAL A-MO 20*5 EAO OF03/SYS FRALOSO FORE FOWE BAFFLER weROAW S OMEARLAR LIPE WOO 001 TO FT MOOT SRAFT IS 500000 TAROrILeiM4FSoMR P50 FlFA 00500 5000 BALSALS 3/53/0MS SO LEAMSC4 BALSA OJABATSLOSH 005103 SIR TO COONESBOC SOlO ARMS ___________________ AL.. -TO CEOSAL OSSACO 0000510 01025 & ROlLS RIGS-SF ______ ______ ______ ______ ______ ______ ______ ______ ______ OARS ARC RB Ma BALSA ________________ ________WCG 03 OTHER SIDES0RasA __________22 REAR THIS TO ooTTOO IWE MS OFUTER RIBS LTC0SELSA 63/0 THBA0SEORE SOSLOSO 53/BALSA *o - _____ _____ -03/LW AWE SOHAR_________we Wa BALSA3/s MAR SlOG ESlBAfONAL ROLES MS 000 Wa4 we MACMS 70010 ewe A00MARS MR*L os SOOT s/raw LAROhA 3/ARBALSA FROST CR0 SOT oo MS31000 oRICELMS0S WE MSBAJ#A ACES MS MS PLO AR TMSOSSI WIRY EFROY H FEooBIEET0*LOoATIoB 000SF 0000FlBATTERY FM SOARLIStRISSAL MO 000 BALSA N 0SA L 05003/S LOOtS 3/AR 505100 03/ WOOF SOROSSOTOO MA RiO SAALOROSSO raw SART VS BALSA BATE50 T 0050 0050SF WIRY 2-8 0505SF {0\ 3ARA% 000000 0000 S-AR ENAREAMA SES*E0S MIO sowEr 005 SE 900500 MS WiSE WE IASE PLO OSIOROOL 006007I WHEEL 00 C r S C s C ST-aREA 555 SEQ 95W0 SW Ut ITRACING ET JOE DEMBRCO well ribs Add top front spar Glue 1/16 x 3/32 trailing edge bottom sheeting back ribs add top trailing edge sheeting time glue has set remove wing half plan add bottom spar leading edge Build other wing half same sequence root tip both sections wing finished use sanding block bevel trailing edge match slope ribs top sheeting will fit smoothly Trim 1/16-in notch trailing edges both center ribs panel accept 1/16 plywood trailing edge brace Remove shims spar notches center ribs insert 1/16 plywood main spar dihedral braces should fit smoothly place both wings Use sanding block sand spars leading edge trailing edges both wings match angle center rib Place panel flat bench elevate other panel five inches tip two panels should fit together perfectly Join two panels dihedral braces main spars trailing edges Clothespins provide good gluing pressure spar braces handy holling things alignment until glue sets Before everything sets check alignment panel flat bench other tip five inches above board main spar tip well trailing edge tip Glue top trailing edge sheet place add gussets atthe centerandtipribs Sheetthe top bottom center section Note sheeting goes between spars Cut tips soft t glue place gussets spar locations scrap wood leading trailing edges Dress leading edge tips 100-grit sandpaper sanding block up trailing edge Sand complete wing fine sandpaper epoxy 1/16-in music wire center wing now ready cover fuselage fuselage sides cut two sheets a 6 wide 36 long sheets can made edgeContinued page 107 Low flyby shows off pert little bird its best advantage Tail-draggers have charm sf0 tneres OflO less llflK8C wnen dont have steerable nosewheel Add hands-off stability solid construction youll see like Onestep training purposes September 1981 27 w -I MAR INTRODUCING TRIC LINE CONTROL MODELS B [ ELECTROLINE MODELS FUN PO BOX 25030 SAFE BEVERLY HILLS CA 90213 SEND FOR FREE INFORMATION ON MODEL KITS AND ACCESSORIES QUIET CLEAN EASY TO FLY FAST ASSEMBLY FLYS 15-20 MIN LOW COST Onestep/Randoiph Continued page 27 glueing 3-in stock form wider sheets cant find size Trace side view fuselage onto sheets Hold both sheets together masking tape cut both fuselage sides same time Use fuselage sides template cut 1/16 plywood doublers sheet 6 x 12 ply should provide both doublers sharp knife should cut 1/16 plywood ease Epoxy doublers place fuselage sides left right Epoxy has less tendency warp sides Glue longer ons uprights overlap doublers trim away 1/16 will fit smoothly over glue has cured place two sides back-to-back plywood-longeron sides out sand edges both until same Cut firewall Fl A-in plywood Cut bulkhead F2 Vs-in plywood Build up balsa bulkhead F3 -in stock Mark drill holes firewall engine mount fuel overflow lines throttle line Install blind nuts aft side receive engine mount bolts Epoxy place Glue fuselage bulkheads F2 F3 position sides Use triangle align right angles side glue has set glue other side directly over first Bevel inside longerons tail fit together both sides joined glue Use straightedge across stab cutout squareness Bring sides together firewall epoxy place plywood doubler Sight down fuselage check alignment Glue 3-in piece 1/16 balsa grain running across fuselage just front stab cutout top fuselage Install outer Nyrods elevator rudder Use epoxy microballoons Install rest top bottom sheeting aft F3 top sheeting just aft bulkhead filled scrap wood trimmed sanded conform dihedral angle wing Install Vs balsa floor under tank location spread epoxy tank area protect fuel spilL Install Nyrod firewall cabin area throttle line Continued nrnp 112 SImply screw el. engine mount nd lank bracket work bench tool boa bolt ejipine ready run minutes Includes Cast Aluminum Engine Mount 4 oz Polyethylene Tank Tubes Fittings Tank Mounting Bracket Mounting Screws Nuts Bolts inin inmmm m m q ENGINE TEST STAND I only 1395 IU I1 II II II GUARANTEED strangest ru ed engine test stand available Fully adjustagyefor ii engines V2A Ia 80 displacement eptemoerii 1w 5 4 ddlO Williams DlOT5 jon moxners isne ausnors granason just before Jons first flight Onestep perfect trainerit wont spiral dive Eddie cuacnas JOEl nrougn nis yirsi Takeoff Onestep raises Its tail GIANT SCALE -1 QUARTER SCALEi &_ 3 iFOOTI SY POPULAR DEMAND SPANDAU & VICKEES PLASTIC GUN KITS STANDARD PILOT COMPLETE WITH GOGGLES GNOME ROTARY ENGINE CYLINDERS VINTAGE GOLDEN AGE ARALLOON TIRE WHEELS Send $1 lilustrated Catalog WILLIAMSBROTHERS INC IIlU025 Dept MA 181 Pawnee Street Marcos Calif 92069 ALL NEW FROM PICA EIP 1059 oz five minute epoxy difference sandable epoxy available Compatible resin coating has new flip-top cap Industrial Strength 100% uncut resin FOR THE NEWCOMER Its super stable gentle faster building versatile Extended Wing version SPECIFICATIONS Fuselage 44V2 inches Extended Wing VersionWeight 4-4V2 pounds Wing Span 54 area 615 sq inches Engine 25-40 Wing Span 50 area 565 sq inches GLUIT H/P 601 12 oz heavy duty aliphatic white glue especially formulated modelers Its sandable fast drying truly heavy duty Its great hardwood plywood fiber materials subject high stress torque 557 N 6 188rn S M am Fl0 33180 TeeQnoae 935 1436 CANTON MODEL PRODUCTS Presents Dip Stick FAST QUICK EASY TO FINISH DS 40 55 SPAN 560 SQ IN WING LOADING 165-20 OZ 29-45 ENGINE 43 LENGTH 3 OR 4 CHANNEL PRICE 4995 ADD 4 SHIPPING CHARGE DS 60 64 SPAN 672 SQ IN WING LOADING 20-22 OZ 46-60 ENGINE 48 LENGTH 3 OR 4 CHANNEL PRICE 5995 EXTREMELYADD 6 SHIPPING RUGGED TRAINER CHARGE WITH SYMMETRICAL AIRFOIL FOR AEROBATIC FLYING HIGHLY PRE-FABRICATED KIT INCLUDES PRE-SHEETED BALSA FOAM WING5 PRE-BUILT JIG ASSEMBLED WOOD FUSELAGE PRE-SHAPED BALSA TAIL ASSEMBLY PRE-FORMED LANDING GEAR TAIL WHEEL AND AILERON WIRES INSTRUCTION SHEET WITH FULLY ILLUSTRATED ASSEMBLY DRAWINGS TO ORDER SEND BANK CHECK OR MONEY ORDER TO CANTON MODEL PRODuCTS PO BOX 6063 CANTON OHIO 44706 OR CALL 12161 4541535 FOR IMMEDIATE COD SHIPMENT Glue -in copper tube fuel overflow lines through firewalL Cut wedges foam fit betwen tank fuselage sides glue place tank should snug fit between foam firewall bulkhead F2 Connect fuel overflow lines tank firewall tubes complete top sheeting firewall wing mount Put wedge foam over tank during sheeting hold firmly place fuselage sides can cut off front firewall fully exposed engine desired Little no difference flying will noted cowl desired cut wedges soft balsa epoxy bottom fuselage sides front firewall glue has set use sanding block sand wedges flush sides sheet bottom soft a sheet front cowl firewalL Temporarily install engine mount engine firewall Slip 2-in paper disk shaft trace around soft pencil mark its location front cowl Cut semi-circle -in soft balsa 2 in diameter Epoxy nose block location marked front cowl glue has set mount 2-in spinner engine coarse sandpaper sand cowl front conform spinner Trim cowl sides clear muffler give access needle valve lines fuel throttle Sand cowl sides smoothly spinner Make sandwich ood landing gear mount shown plans Glue place complete bottom sheeting 1/16 balsa aft landing gear mount tail Build stab rudder right over plansjust wing assembled forget 1/32 plywood doubler adds little weight much strength movable parts cut very soft wood sanded conform outline mating surfaces will hinged place covering applied Sand complete airframe fine sandpaper airplane ready cover Covering covering can commercially available iron-on coverings Follow instructions come covering covering fuselage bottom should covered first sides finally top Overlap covering engine area paint firewall inside cowl seams around cowl matching epoxy paint glue seal areas fueL pinstripes between trim areas sliced black film ironed place seems stay place better trim tapes landing gear Scribe two parallel lines 2 apart piece scrap board will jig assembling gear Bend two landing gear legs 3/32-in music wire Attach legs across other along lines jig board clips screws just will mounted fuselage Bend spreader 1/16-in music wire Bind joints formed two legs spreader side soft copper wire solder Slip piece -in brass tube over axle solder washer tubing axles Slip wheels axles hold place -in collars Check align ment solder epoxy clips legs remove jig board Hold gear place fuselage mark location screw holes gear mount Drill 1/16-in holes spots install gear Trim covering away top fuselage fin will attached center section stab goes through fuselage Hinge elevator stab epoxy fin stab place Bend tail gear 1/16-in music wire top part goes rudder bent until after gear mounted Solder washer place shown Screw epoxy gear mount place Mount wheel Slide gear through mount fuselage stab bend arm epoxy place rudder hinged fin wheel should move rudder line Completion Attach engine mount firewall mount engine Install radio gear wrapping battery pack foam sealing plastic hag slide up under tank shown plans Mount servos plywood tray Move servos receiver forward backward cabin until airplane balances location shown Glue servo tray place rails Wrap receiver foam hold place Install rudder elevator horns locations shown connect servos Nyrods threaded studs devises surfaces should neutral throttle line florist wire run through guide Z-bend attaching throttle arm well servo Bend -in U-shape line between firewall throttle arm adjustment strain relief Epoxy A-in dowel wing hold-downs place airplane ready fly Continued page 116 112 Model Aviation Flying As new installations range check radioand check movement direc tion surfaces engine running everything working perfectly its time test flight trim flight prefer call Onestep handles very well ground As conventional-gear airplanes downwind turns difficult Tracking takeoff excel lent wind lift-off rather rapid cause light wing loading ready 15 full throttle climb-out about 450 angle ground Half throttle provides best cruise outermost holes rudder elevator horns used control response quite gentle classic vertical spiral dive must done deliberately holding down elevator Landings quite slow application back stick increasing throw control sur faces rolls snaps may done Inverted flight possible requires lots forward stick As well being solid stable trainer Onestep will hold its own fun flys can bounced precision landings will loop very tightly need can carry its own weight payload model good first step Schneider Races/Berliner Continued page 35 obviously-faster Passaleva 551 took off just after Biard finished lap expecting blast Englishman Out race soaking Savoia received capsized trials affected glue its propeller wooden laminations began separate Passaleva forced throttle back keep vibration manage able leveL prop somehow hung together 1 hours finished almost two minutes behind winner Biard other Italians well back Biard averaged record 1457 mph Passaleva 1426 mph Zanetti 133 mph Corgnolino 124 mph progress stimulated increasingly com petitive prestigious Schneider Trophy pushed four finishers speeds higher existing record set just year before next racethe seventh series would held Cowes England autumn 1923 would see first serious entry United States end era standard modified produc tion seaplanes would dominate Schneider would race racing aircraft would also second half story would stick memories aviation enthusiasts throughout world because races brought spotlight some exciting pure-speed aircraft would ever seen RC AerobaticsNan Putte Continued page 37 maintain Knife-Edge airplane rolled 900 clockwise didnt happen Surprisingly bit right rudder required last point Four-Point Roll before Does pipe cause fuel consumed Definitely Supertigre G-60 used burn about 10 oz fuel complete Expert class Pattern flight now goes through about 14 oz computes about nine Pattern flights per gallon fuel Its good thing make own fuel bottom line dont like looks fuel consumption piped engine like way makes Expert pattern easier well still dont think benefits warrant use tuned pipe Novice Advanced classes flying field yesterday asked advice experienced flier problem easy solve began wonder werent few experienced fliers out same difficulty mention beginners RC flying What prob lem couldnt keep airplane bounc ing unless performed perfect landing two things wrong landing gear setup either would have caused bouncy landings First airplane sat nose-high landing gear type setup guarantees difficulty landings because wing positive angle attack lift will generated long airplane moving means airplane will attempt take off again its landed hot higher angle airplane sits slower speed will try take off again best way eliminate problem set up airplane fuselage sits parallel runway slightly nose-down nose slightly down lift killed airplane rotates onto nose gear model tends stick runway However excessive nose-down attitude will cause airplane impossible take off smoothly since will difficult rotate nose up until model moving very fast airplane looks like hound scent landings may easy takeoffs will very abrupt second problem flier angled main gear struts back because liked look way Unfortunately gear struts angled hack airplane tends squat landing cause vertical load landing causes strut bend further back up nose gear doesnt same Continued page 118 * 30% STAND OFF SCALE SIZE * 92 WINGSPAN SO IN * WEIGHT 15 21 LBS * FiBERGLAS COWL LFANTS * GuADRA ENGINE * AVAILABLE NOW *PRICE6dOrI95 1/4 Scale d War K #RCQS-7 Plan Set $2495 80A Wingspan 24 Cu Engines Wgt 10% lbs wia radio 3-5 Channels R/C FOKKER TRIPLANE DR-i IIRCQS-e Plan Set $2495 70 Span maneuverable flys limited ares tie ds Prices tor Complete Plans Sub Assembly ano Detailed Parts Lists Add $200 Mailing Tube Send BroChure Details new designs & great thin9s come Send $100 retundable tor information 5 6 Model AVIaTIon THE WORLDS FIRST ADJUSTABLE HAND SANDEREXTRA HANDS THE DUPLICATOR MKI IPat PendingModel Aircraft Covering Tool Just duplicator does followingModel No 36 Pat No 33867271 Creates accurate 180 round patterns last breakthrough hit Toledo edges wings 118 fhru 112in make covering easyMacs Dallas stabs rudders,# 1116 incruments fast novicePasadena shows fuselage etc luded tool ert Duplicates roundsAC Make own Works types angles up 1 v I/ number sizes monokote order direcl $1995 semi-rounds curve patterns intinite covering material . dealer deep 34 oz fiberglass plus $200 shipping dealer order direct $1995 plus $200 shippingGREAT TIME SAVERS INVENTED BY AVID MODELER TO MAKE BUILDING EVEN MORE ENJOYABLE Once add foot cottection N J LIND COMPANY youtt wonder got atong them2912 Walker Lee Alamitos CA 90720Distributors inquiries incited U U 1or Outstanding Big Scale Aerobatics r Ohio S SSm 66I0-S6. 0
Edition: Model Aviation - 1981/09
Page Numbers: 20, 21, 22, 23, 24, 25, 26, 27, 107, 112, 116
NO OCR TEXT NO OCR TEXT rib ribs cut stack together flat surface short pieces spar material notches hold alignment Pin together sand correct outline sand ing block 100-grit sandpaper sanding finished ribs should look like cut bandsaw single block Select four ribs stack slice 1/16 top bottom ribs will go center section wing trimmed make way sheeting covers Slice 1/16 both sides main spar notches ribs accept dihedral braces will strengthen center section joint Cut dihedral braces main spars trailing edge 1/16 plywood metal straightedge utility knife make relatively easy job Cut repetitive light strokes Cut trailing edge sheet firm 1/16 sheet balsa spars leading edge /4 can best stripped metal straightedge sharp model knife Use care hold knife exactly right angle sheet edges strips will true Make jig shown photos cut webs main spar webs 2-15/16 x tep ready go wheels ahead center gravity leading edge wing simplify tail-dragger landings Spreader wire between gear lets bounce down have no sweat just thing Touch-and-Go fun fly Hail view snows steerable tail wheel washer soldered music wire hold wire place against nylon bracket wire extends up through fuselage lower part rudder R rear view showing control surface linkages original mode hinged MonoKote see text instructions engine easily cowled adding balsa bottom sanding shape wish leave off cowl cutting fuselage firewallit wont hurt performance 1/16 BALSA WEBS OUTTO 6ThRIB- 1/16 PLY#OOO BRACE AT SIR -TOPS -BOflCtl FRONT AND REAR 1 1/16 SHEET BALSA CENTER SECTiON OILY PLY BRE AT TE 3/16 SQ BALSA LONGERONS AND FRAMING 3/16 XI/2 BALSA WING SADDLE 1/16 SHEET BALSA TOP AND BOlTOM 1/4 BALSA DORSAL K 1/4 SHEET BALSA 1/4 SQ LEDGE AND RIBSRWDER STABILIZER 1/4 X 1/2 FIN FRAMES NYROD GUIDES 1/4 SHEET BALSA TAB CENTER PLATltlv1 V4 DOWELS I/BBALSA COWLtJG V4 PLY WOOD FIREWALL 15 ENGINE I/4X 1/2 LEDGE-TIP- SR WHEEL ON 1/16 WIRE THRU BRACKET INTO RUDDER 1/B BALSA SHEET SIDES NOSE 10 TTlL 1/16 SHEET TE TOP AND BOTTOM WITH WEBS Co CD CD 2 C CD -i 0 0 I3 1/4 SHEET FORMER SOFT BALSA BLOCKS I/ M WIRE SPREADER F 3 I/B SHEET BALSA FORMER 3/16X 1/2 BALSA SUPPORT FOR SERVO TRAY I/Is PLYWOOD DOUBLER TO flREWALL F-2 I/BPLW4000 FORMER I/BPLYOD DWBLED FOR LG hJNT I/B SHEET BALSA TIPS 1/16 SHEET BALSA RIBS ALL EQUAL N 1/4 X I/2BALSA SPARS TOPAND BOTTOM I/4SQ BALSA L E SPARS TOP AND BOTIOM I/4SQ LEADNG EDGE HARD BALSA 2 1/2 WHEELS ON 3/32 P&JSIC WIRE GEAR 4 trailing edge webs 2-15/16 x 1A Note angle center rib two wing grain vertical longest dimen- panels can joined proper dihedral sion Make dihedral angle gauge card- angle wing now ready assembled board shown plans used set flat building board absolute necessity should 36 long least 12 wide material will hold pins firmly Plywood -in thickness works well Pin plans work board cover 24 Model Aviation make tempiate rrom tfllcK cardboard ue tile toider use tine Cut notches spars first before rest rib helps point marker make printed sheet wing ribs keep splitting wood go Stack ribs together insert two pieces spar stock top bottom hold place Sand stack until ribs smooth simple jig makes short work cutting spar webs Side pieces hold sheet straight metal straightedge cutting surface finished wing kit parts cut sanded shape before beginning construction wing Its easier way Cut dihedral angle gauge cardboard thin plywood see plans use set center ribs proper angle Uevel trailing edge allow top sheeting ut smoothly nnished center joint wing Note dihedral braces place either side main spar top bottom trailing edge September 1981 25 lop trailing edge sheeting place Note fits behind spar cruaning uiu wOd rubberband wing hoId-d.... aud gussets wing tip pieces sand curve dont make contact iron-on covering Build rudder stabilizer over tne plans iover plans clear plastic wrap wax paper prevent gluing parts Wrap medium grade sandpaper around -in dowel sand gussets Cut out boTh tuselage aloes same mIme rin IueLnur e,u u ins pywoou uuuuur servo mounting rails wing mount installed Note wing mount rails trimmed fit over doubler Glue bulkheads fuselage side use triangle assure squareness wax paper plastic dry cleaner bag protect glue Pin bottom trailing edge sheet bottom main spar over plan Pin piece scrap 1/16 balsa shim under two center ribs will hold off board allow room center sheet ing Using dihedral gauge guide trim ends two main spar webs two trailing edge webs dihedral angle Temporarily place some scrap 1/16 balsa both sides main spar center take place di hedral braces install center rib Use dihedral gauge set proper angle Glue top spar bottom trailing edge sheeting Glue trimmed spar webs trailing edge webs place next center rib Add next center section rib glue top main spar well webs trailing edge sheeting Install webs first regular rib dihedral braces extend far top main spar Continue adding ribs webs out tip spar webs extend part way out trailing edge webs go way tip ribs glued place add top main spar sure glue webs 26 Model Aviation Attach Other side bulkheads checking alignment carefully Addsheetingtothetopandbottomofthefuselage Notegraindirection tank held place foam blocks either side sure install fuel lines kink form engine cowl epoxy soft balsa wedges fuselag nose block epoxied place whole front end trimmed sanded shape fit engine installation iw urn ur scrap ooara ror bending soldering landing gear Attacn ianaing gear iegs tne ruseiage wirn straps shown plans FULL-SIZE PLANSAVAILABLE SEE PAGE 140 04 SO FRONTSd OSE ShEa 03/ROOT3/ARTOfl 0*0 ARC OFARMS 0 M4M2 BALSA5505 3/BA SEERS 5 we01650220005 FIX S BALSAMSRN& ARMS80*35 *30 BALSA 00 ROAR LEFT WING PLAN ~0 STFR aS 3/AC EpOS MS VEROCALSOOT 0* EAC 8050 TAR 8800 2 OOEMSAL A-MO 20*5 EAO OF03/SYS FRALOSO FORE FOWE BAFFLER weROAW S OMEARLAR LIPE WOO 001 TO FT MOOT SRAFT IS 500000 TAROrILeiM4FSoMR P50 FlFA 00500 5000 BALSALS 3/53/0MS SO LEAMSC4 BALSA OJABATSLOSH 005103 SIR TO COONESBOC SOlO ARMS ___________________ AL.. -TO CEOSAL OSSACO 0000510 01025 & ROlLS RIGS-SF ______ ______ ______ ______ ______ ______ ______ ______ ______ OARS ARC RB Ma BALSA ________________ ________WCG 03 OTHER SIDES0RasA __________22 REAR THIS TO ooTTOO IWE MS OFUTER RIBS LTC0SELSA 63/0 THBA0SEORE SOSLOSO 53/BALSA *o - _____ _____ -03/LW AWE SOHAR_________we Wa BALSA3/s MAR SlOG ESlBAfONAL ROLES MS 000 Wa4 we MACMS 70010 ewe A00MARS MR*L os SOOT s/raw LAROhA 3/ARBALSA FROST CR0 SOT oo MS31000 oRICELMS0S WE MSBAJ#A ACES MS MS PLO AR TMSOSSI WIRY EFROY H FEooBIEET0*LOoATIoB 000SF 0000FlBATTERY FM SOARLIStRISSAL MO 000 BALSA N 0SA L 05003/S LOOtS 3/AR 505100 03/ WOOF SOROSSOTOO MA RiO SAALOROSSO raw SART VS BALSA BATE50 T 0050 0050SF WIRY 2-8 0505SF {0\ 3ARA% 000000 0000 S-AR ENAREAMA SES*E0S MIO sowEr 005 SE 900500 MS WiSE WE IASE PLO OSIOROOL 006007I WHEEL 00 C r S C s C ST-aREA 555 SEQ 95W0 SW Ut ITRACING ET JOE DEMBRCO well ribs Add top front spar Glue 1/16 x 3/32 trailing edge bottom sheeting back ribs add top trailing edge sheeting time glue has set remove wing half plan add bottom spar leading edge Build other wing half same sequence root tip both sections wing finished use sanding block bevel trailing edge match slope ribs top sheeting will fit smoothly Trim 1/16-in notch trailing edges both center ribs panel accept 1/16 plywood trailing edge brace Remove shims spar notches center ribs insert 1/16 plywood main spar dihedral braces should fit smoothly place both wings Use sanding block sand spars leading edge trailing edges both wings match angle center rib Place panel flat bench elevate other panel five inches tip two panels should fit together perfectly Join two panels dihedral braces main spars trailing edges Clothespins provide good gluing pressure spar braces handy holling things alignment until glue sets Before everything sets check alignment panel flat bench other tip five inches above board main spar tip well trailing edge tip Glue top trailing edge sheet place add gussets atthe centerandtipribs Sheetthe top bottom center section Note sheeting goes between spars Cut tips soft t glue place gussets spar locations scrap wood leading trailing edges Dress leading edge tips 100-grit sandpaper sanding block up trailing edge Sand complete wing fine sandpaper epoxy 1/16-in music wire center wing now ready cover fuselage fuselage sides cut two sheets a 6 wide 36 long sheets can made edgeContinued page 107 Low flyby shows off pert little bird its best advantage Tail-draggers have charm sf0 tneres OflO less llflK8C wnen dont have steerable nosewheel Add hands-off stability solid construction youll see like Onestep training purposes September 1981 27 w -I MAR INTRODUCING TRIC LINE CONTROL MODELS B [ ELECTROLINE MODELS FUN PO BOX 25030 SAFE BEVERLY HILLS CA 90213 SEND FOR FREE INFORMATION ON MODEL KITS AND ACCESSORIES QUIET CLEAN EASY TO FLY FAST ASSEMBLY FLYS 15-20 MIN LOW COST Onestep/Randoiph Continued page 27 glueing 3-in stock form wider sheets cant find size Trace side view fuselage onto sheets Hold both sheets together masking tape cut both fuselage sides same time Use fuselage sides template cut 1/16 plywood doublers sheet 6 x 12 ply should provide both doublers sharp knife should cut 1/16 plywood ease Epoxy doublers place fuselage sides left right Epoxy has less tendency warp sides Glue longer ons uprights overlap doublers trim away 1/16 will fit smoothly over glue has cured place two sides back-to-back plywood-longeron sides out sand edges both until same Cut firewall Fl A-in plywood Cut bulkhead F2 Vs-in plywood Build up balsa bulkhead F3 -in stock Mark drill holes firewall engine mount fuel overflow lines throttle line Install blind nuts aft side receive engine mount bolts Epoxy place Glue fuselage bulkheads F2 F3 position sides Use triangle align right angles side glue has set glue other side directly over first Bevel inside longerons tail fit together both sides joined glue Use straightedge across stab cutout squareness Bring sides together firewall epoxy place plywood doubler Sight down fuselage check alignment Glue 3-in piece 1/16 balsa grain running across fuselage just front stab cutout top fuselage Install outer Nyrods elevator rudder Use epoxy microballoons Install rest top bottom sheeting aft F3 top sheeting just aft bulkhead filled scrap wood trimmed sanded conform dihedral angle wing Install Vs balsa floor under tank location spread epoxy tank area protect fuel spilL Install Nyrod firewall cabin area throttle line Continued nrnp 112 SImply screw el. engine mount nd lank bracket work bench tool boa bolt ejipine ready run minutes Includes Cast Aluminum Engine Mount 4 oz Polyethylene Tank Tubes Fittings Tank Mounting Bracket Mounting Screws Nuts Bolts inin inmmm m m q ENGINE TEST STAND I only 1395 IU I1 II II II GUARANTEED strangest ru ed engine test stand available Fully adjustagyefor ii engines V2A Ia 80 displacement eptemoerii 1w 5 4 ddlO Williams DlOT5 jon moxners isne ausnors granason just before Jons first flight Onestep perfect trainerit wont spiral dive Eddie cuacnas JOEl nrougn nis yirsi Takeoff Onestep raises Its tail GIANT SCALE -1 QUARTER SCALEi &_ 3 iFOOTI SY POPULAR DEMAND SPANDAU & VICKEES PLASTIC GUN KITS STANDARD PILOT COMPLETE WITH GOGGLES GNOME ROTARY ENGINE CYLINDERS VINTAGE GOLDEN AGE ARALLOON TIRE WHEELS Send $1 lilustrated Catalog WILLIAMSBROTHERS INC IIlU025 Dept MA 181 Pawnee Street Marcos Calif 92069 ALL NEW FROM PICA EIP 1059 oz five minute epoxy difference sandable epoxy available Compatible resin coating has new flip-top cap Industrial Strength 100% uncut resin FOR THE NEWCOMER Its super stable gentle faster building versatile Extended Wing version SPECIFICATIONS Fuselage 44V2 inches Extended Wing VersionWeight 4-4V2 pounds Wing Span 54 area 615 sq inches Engine 25-40 Wing Span 50 area 565 sq inches GLUIT H/P 601 12 oz heavy duty aliphatic white glue especially formulated modelers Its sandable fast drying truly heavy duty Its great hardwood plywood fiber materials subject high stress torque 557 N 6 188rn S M am Fl0 33180 TeeQnoae 935 1436 CANTON MODEL PRODUCTS Presents Dip Stick FAST QUICK EASY TO FINISH DS 40 55 SPAN 560 SQ IN WING LOADING 165-20 OZ 29-45 ENGINE 43 LENGTH 3 OR 4 CHANNEL PRICE 4995 ADD 4 SHIPPING CHARGE DS 60 64 SPAN 672 SQ IN WING LOADING 20-22 OZ 46-60 ENGINE 48 LENGTH 3 OR 4 CHANNEL PRICE 5995 EXTREMELYADD 6 SHIPPING RUGGED TRAINER CHARGE WITH SYMMETRICAL AIRFOIL FOR AEROBATIC FLYING HIGHLY PRE-FABRICATED KIT INCLUDES PRE-SHEETED BALSA FOAM WING5 PRE-BUILT JIG ASSEMBLED WOOD FUSELAGE PRE-SHAPED BALSA TAIL ASSEMBLY PRE-FORMED LANDING GEAR TAIL WHEEL AND AILERON WIRES INSTRUCTION SHEET WITH FULLY ILLUSTRATED ASSEMBLY DRAWINGS TO ORDER SEND BANK CHECK OR MONEY ORDER TO CANTON MODEL PRODuCTS PO BOX 6063 CANTON OHIO 44706 OR CALL 12161 4541535 FOR IMMEDIATE COD SHIPMENT Glue -in copper tube fuel overflow lines through firewalL Cut wedges foam fit betwen tank fuselage sides glue place tank should snug fit between foam firewall bulkhead F2 Connect fuel overflow lines tank firewall tubes complete top sheeting firewall wing mount Put wedge foam over tank during sheeting hold firmly place fuselage sides can cut off front firewall fully exposed engine desired Little no difference flying will noted cowl desired cut wedges soft balsa epoxy bottom fuselage sides front firewall glue has set use sanding block sand wedges flush sides sheet bottom soft a sheet front cowl firewalL Temporarily install engine mount engine firewall Slip 2-in paper disk shaft trace around soft pencil mark its location front cowl Cut semi-circle -in soft balsa 2 in diameter Epoxy nose block location marked front cowl glue has set mount 2-in spinner engine coarse sandpaper sand cowl front conform spinner Trim cowl sides clear muffler give access needle valve lines fuel throttle Sand cowl sides smoothly spinner Make sandwich ood landing gear mount shown plans Glue place complete bottom sheeting 1/16 balsa aft landing gear mount tail Build stab rudder right over plansjust wing assembled forget 1/32 plywood doubler adds little weight much strength movable parts cut very soft wood sanded conform outline mating surfaces will hinged place covering applied Sand complete airframe fine sandpaper airplane ready cover Covering covering can commercially available iron-on coverings Follow instructions come covering covering fuselage bottom should covered first sides finally top Overlap covering engine area paint firewall inside cowl seams around cowl matching epoxy paint glue seal areas fueL pinstripes between trim areas sliced black film ironed place seems stay place better trim tapes landing gear Scribe two parallel lines 2 apart piece scrap board will jig assembling gear Bend two landing gear legs 3/32-in music wire Attach legs across other along lines jig board clips screws just will mounted fuselage Bend spreader 1/16-in music wire Bind joints formed two legs spreader side soft copper wire solder Slip piece -in brass tube over axle solder washer tubing axles Slip wheels axles hold place -in collars Check align ment solder epoxy clips legs remove jig board Hold gear place fuselage mark location screw holes gear mount Drill 1/16-in holes spots install gear Trim covering away top fuselage fin will attached center section stab goes through fuselage Hinge elevator stab epoxy fin stab place Bend tail gear 1/16-in music wire top part goes rudder bent until after gear mounted Solder washer place shown Screw epoxy gear mount place Mount wheel Slide gear through mount fuselage stab bend arm epoxy place rudder hinged fin wheel should move rudder line Completion Attach engine mount firewall mount engine Install radio gear wrapping battery pack foam sealing plastic hag slide up under tank shown plans Mount servos plywood tray Move servos receiver forward backward cabin until airplane balances location shown Glue servo tray place rails Wrap receiver foam hold place Install rudder elevator horns locations shown connect servos Nyrods threaded studs devises surfaces should neutral throttle line florist wire run through guide Z-bend attaching throttle arm well servo Bend -in U-shape line between firewall throttle arm adjustment strain relief Epoxy A-in dowel wing hold-downs place airplane ready fly Continued page 116 112 Model Aviation Flying As new installations range check radioand check movement direc tion surfaces engine running everything working perfectly its time test flight trim flight prefer call Onestep handles very well ground As conventional-gear airplanes downwind turns difficult Tracking takeoff excel lent wind lift-off rather rapid cause light wing loading ready 15 full throttle climb-out about 450 angle ground Half throttle provides best cruise outermost holes rudder elevator horns used control response quite gentle classic vertical spiral dive must done deliberately holding down elevator Landings quite slow application back stick increasing throw control sur faces rolls snaps may done Inverted flight possible requires lots forward stick As well being solid stable trainer Onestep will hold its own fun flys can bounced precision landings will loop very tightly need can carry its own weight payload model good first step Schneider Races/Berliner Continued page 35 obviously-faster Passaleva 551 took off just after Biard finished lap expecting blast Englishman Out race soaking Savoia received capsized trials affected glue its propeller wooden laminations began separate Passaleva forced throttle back keep vibration manage able leveL prop somehow hung together 1 hours finished almost two minutes behind winner Biard other Italians well back Biard averaged record 1457 mph Passaleva 1426 mph Zanetti 133 mph Corgnolino 124 mph progress stimulated increasingly com petitive prestigious Schneider Trophy pushed four finishers speeds higher existing record set just year before next racethe seventh series would held Cowes England autumn 1923 would see first serious entry United States end era standard modified produc tion seaplanes would dominate Schneider would race racing aircraft would also second half story would stick memories aviation enthusiasts throughout world because races brought spotlight some exciting pure-speed aircraft would ever seen RC AerobaticsNan Putte Continued page 37 maintain Knife-Edge airplane rolled 900 clockwise didnt happen Surprisingly bit right rudder required last point Four-Point Roll before Does pipe cause fuel consumed Definitely Supertigre G-60 used burn about 10 oz fuel complete Expert class Pattern flight now goes through about 14 oz computes about nine Pattern flights per gallon fuel Its good thing make own fuel bottom line dont like looks fuel consumption piped engine like way makes Expert pattern easier well still dont think benefits warrant use tuned pipe Novice Advanced classes flying field yesterday asked advice experienced flier problem easy solve began wonder werent few experienced fliers out same difficulty mention beginners RC flying What prob lem couldnt keep airplane bounc ing unless performed perfect landing two things wrong landing gear setup either would have caused bouncy landings First airplane sat nose-high landing gear type setup guarantees difficulty landings because wing positive angle attack lift will generated long airplane moving means airplane will attempt take off again its landed hot higher angle airplane sits slower speed will try take off again best way eliminate problem set up airplane fuselage sits parallel runway slightly nose-down nose slightly down lift killed airplane rotates onto nose gear model tends stick runway However excessive nose-down attitude will cause airplane impossible take off smoothly since will difficult rotate nose up until model moving very fast airplane looks like hound scent landings may easy takeoffs will very abrupt second problem flier angled main gear struts back because liked look way Unfortunately gear struts angled hack airplane tends squat landing cause vertical load landing causes strut bend further back up nose gear doesnt same Continued page 118 * 30% STAND OFF SCALE SIZE * 92 WINGSPAN SO IN * WEIGHT 15 21 LBS * FiBERGLAS COWL LFANTS * GuADRA ENGINE * AVAILABLE NOW *PRICE6dOrI95 1/4 Scale d War K #RCQS-7 Plan Set $2495 80A Wingspan 24 Cu Engines Wgt 10% lbs wia radio 3-5 Channels R/C FOKKER TRIPLANE DR-i IIRCQS-e Plan Set $2495 70 Span maneuverable flys limited ares tie ds Prices tor Complete Plans Sub Assembly ano Detailed Parts Lists Add $200 Mailing Tube Send BroChure Details new designs & great thin9s come Send $100 retundable tor information 5 6 Model AVIaTIon THE WORLDS FIRST ADJUSTABLE HAND SANDEREXTRA HANDS THE DUPLICATOR MKI IPat PendingModel Aircraft Covering Tool Just duplicator does followingModel No 36 Pat No 33867271 Creates accurate 180 round patterns last breakthrough hit Toledo edges wings 118 fhru 112in make covering easyMacs Dallas stabs rudders,# 1116 incruments fast novicePasadena shows fuselage etc luded tool ert Duplicates roundsAC Make own Works types angles up 1 v I/ number sizes monokote order direcl $1995 semi-rounds curve patterns intinite covering material . dealer deep 34 oz fiberglass plus $200 shipping dealer order direct $1995 plus $200 shippingGREAT TIME SAVERS INVENTED BY AVID MODELER TO MAKE BUILDING EVEN MORE ENJOYABLE Once add foot cottection N J LIND COMPANY youtt wonder got atong them2912 Walker Lee Alamitos CA 90720Distributors inquiries incited U U 1or Outstanding Big Scale Aerobatics r Ohio S SSm 66I0-S6. 0
Edition: Model Aviation - 1981/09
Page Numbers: 20, 21, 22, 23, 24, 25, 26, 27, 107, 112, 116
NO OCR TEXT NO OCR TEXT rib ribs cut stack together flat surface short pieces spar material notches hold alignment Pin together sand correct outline sand ing block 100-grit sandpaper sanding finished ribs should look like cut bandsaw single block Select four ribs stack slice 1/16 top bottom ribs will go center section wing trimmed make way sheeting covers Slice 1/16 both sides main spar notches ribs accept dihedral braces will strengthen center section joint Cut dihedral braces main spars trailing edge 1/16 plywood metal straightedge utility knife make relatively easy job Cut repetitive light strokes Cut trailing edge sheet firm 1/16 sheet balsa spars leading edge /4 can best stripped metal straightedge sharp model knife Use care hold knife exactly right angle sheet edges strips will true Make jig shown photos cut webs main spar webs 2-15/16 x tep ready go wheels ahead center gravity leading edge wing simplify tail-dragger landings Spreader wire between gear lets bounce down have no sweat just thing Touch-and-Go fun fly Hail view snows steerable tail wheel washer soldered music wire hold wire place against nylon bracket wire extends up through fuselage lower part rudder R rear view showing control surface linkages original mode hinged MonoKote see text instructions engine easily cowled adding balsa bottom sanding shape wish leave off cowl cutting fuselage firewallit wont hurt performance 1/16 BALSA WEBS OUTTO 6ThRIB- 1/16 PLY#OOO BRACE AT SIR -TOPS -BOflCtl FRONT AND REAR 1 1/16 SHEET BALSA CENTER SECTiON OILY PLY BRE AT TE 3/16 SQ BALSA LONGERONS AND FRAMING 3/16 XI/2 BALSA WING SADDLE 1/16 SHEET BALSA TOP AND BOlTOM 1/4 BALSA DORSAL K 1/4 SHEET BALSA 1/4 SQ LEDGE AND RIBSRWDER STABILIZER 1/4 X 1/2 FIN FRAMES NYROD GUIDES 1/4 SHEET BALSA TAB CENTER PLATltlv1 V4 DOWELS I/BBALSA COWLtJG V4 PLY WOOD FIREWALL 15 ENGINE I/4X 1/2 LEDGE-TIP- SR WHEEL ON 1/16 WIRE THRU BRACKET INTO RUDDER 1/B BALSA SHEET SIDES NOSE 10 TTlL 1/16 SHEET TE TOP AND BOTTOM WITH WEBS Co CD CD 2 C CD -i 0 0 I3 1/4 SHEET FORMER SOFT BALSA BLOCKS I/ M WIRE SPREADER F 3 I/B SHEET BALSA FORMER 3/16X 1/2 BALSA SUPPORT FOR SERVO TRAY I/Is PLYWOOD DOUBLER TO flREWALL F-2 I/BPLW4000 FORMER I/BPLYOD DWBLED FOR LG hJNT I/B SHEET BALSA TIPS 1/16 SHEET BALSA RIBS ALL EQUAL N 1/4 X I/2BALSA SPARS TOPAND BOTTOM I/4SQ BALSA L E SPARS TOP AND BOTIOM I/4SQ LEADNG EDGE HARD BALSA 2 1/2 WHEELS ON 3/32 P&JSIC WIRE GEAR 4 trailing edge webs 2-15/16 x 1A Note angle center rib two wing grain vertical longest dimen- panels can joined proper dihedral sion Make dihedral angle gauge card- angle wing now ready assembled board shown plans used set flat building board absolute necessity should 36 long least 12 wide material will hold pins firmly Plywood -in thickness works well Pin plans work board cover 24 Model Aviation make tempiate rrom tfllcK cardboard ue tile toider use tine Cut notches spars first before rest rib helps point marker make printed sheet wing ribs keep splitting wood go Stack ribs together insert two pieces spar stock top bottom hold place Sand stack until ribs smooth simple jig makes short work cutting spar webs Side pieces hold sheet straight metal straightedge cutting surface finished wing kit parts cut sanded shape before beginning construction wing Its easier way Cut dihedral angle gauge cardboard thin plywood see plans use set center ribs proper angle Uevel trailing edge allow top sheeting ut smoothly nnished center joint wing Note dihedral braces place either side main spar top bottom trailing edge September 1981 25 lop trailing edge sheeting place Note fits behind spar cruaning uiu wOd rubberband wing hoId-d.... aud gussets wing tip pieces sand curve dont make contact iron-on covering Build rudder stabilizer over tne plans iover plans clear plastic wrap wax paper prevent gluing parts Wrap medium grade sandpaper around -in dowel sand gussets Cut out boTh tuselage aloes same mIme rin IueLnur e,u u ins pywoou uuuuur servo mounting rails wing mount installed Note wing mount rails trimmed fit over doubler Glue bulkheads fuselage side use triangle assure squareness wax paper plastic dry cleaner bag protect glue Pin bottom trailing edge sheet bottom main spar over plan Pin piece scrap 1/16 balsa shim under two center ribs will hold off board allow room center sheet ing Using dihedral gauge guide trim ends two main spar webs two trailing edge webs dihedral angle Temporarily place some scrap 1/16 balsa both sides main spar center take place di hedral braces install center rib Use dihedral gauge set proper angle Glue top spar bottom trailing edge sheeting Glue trimmed spar webs trailing edge webs place next center rib Add next center section rib glue top main spar well webs trailing edge sheeting Install webs first regular rib dihedral braces extend far top main spar Continue adding ribs webs out tip spar webs extend part way out trailing edge webs go way tip ribs glued place add top main spar sure glue webs 26 Model Aviation Attach Other side bulkheads checking alignment carefully Addsheetingtothetopandbottomofthefuselage Notegraindirection tank held place foam blocks either side sure install fuel lines kink form engine cowl epoxy soft balsa wedges fuselag nose block epoxied place whole front end trimmed sanded shape fit engine installation iw urn ur scrap ooara ror bending soldering landing gear Attacn ianaing gear iegs tne ruseiage wirn straps shown plans FULL-SIZE PLANSAVAILABLE SEE PAGE 140 04 SO FRONTSd OSE ShEa 03/ROOT3/ARTOfl 0*0 ARC OFARMS 0 M4M2 BALSA5505 3/BA SEERS 5 we01650220005 FIX S BALSAMSRN& ARMS80*35 *30 BALSA 00 ROAR LEFT WING PLAN ~0 STFR aS 3/AC EpOS MS VEROCALSOOT 0* EAC 8050 TAR 8800 2 OOEMSAL A-MO 20*5 EAO OF03/SYS FRALOSO FORE FOWE BAFFLER weROAW S OMEARLAR LIPE WOO 001 TO FT MOOT SRAFT IS 500000 TAROrILeiM4FSoMR P50 FlFA 00500 5000 BALSALS 3/53/0MS SO LEAMSC4 BALSA OJABATSLOSH 005103 SIR TO COONESBOC SOlO ARMS ___________________ AL.. -TO CEOSAL OSSACO 0000510 01025 & ROlLS RIGS-SF ______ ______ ______ ______ ______ ______ ______ ______ ______ OARS ARC RB Ma BALSA ________________ ________WCG 03 OTHER SIDES0RasA __________22 REAR THIS TO ooTTOO IWE MS OFUTER RIBS LTC0SELSA 63/0 THBA0SEORE SOSLOSO 53/BALSA *o - _____ _____ -03/LW AWE SOHAR_________we Wa BALSA3/s MAR SlOG ESlBAfONAL ROLES MS 000 Wa4 we MACMS 70010 ewe A00MARS MR*L os SOOT s/raw LAROhA 3/ARBALSA FROST CR0 SOT oo MS31000 oRICELMS0S WE MSBAJ#A ACES MS MS PLO AR TMSOSSI WIRY EFROY H FEooBIEET0*LOoATIoB 000SF 0000FlBATTERY FM SOARLIStRISSAL MO 000 BALSA N 0SA L 05003/S LOOtS 3/AR 505100 03/ WOOF SOROSSOTOO MA RiO SAALOROSSO raw SART VS BALSA BATE50 T 0050 0050SF WIRY 2-8 0505SF {0\ 3ARA% 000000 0000 S-AR ENAREAMA SES*E0S MIO sowEr 005 SE 900500 MS WiSE WE IASE PLO OSIOROOL 006007I WHEEL 00 C r S C s C ST-aREA 555 SEQ 95W0 SW Ut ITRACING ET JOE DEMBRCO well ribs Add top front spar Glue 1/16 x 3/32 trailing edge bottom sheeting back ribs add top trailing edge sheeting time glue has set remove wing half plan add bottom spar leading edge Build other wing half same sequence root tip both sections wing finished use sanding block bevel trailing edge match slope ribs top sheeting will fit smoothly Trim 1/16-in notch trailing edges both center ribs panel accept 1/16 plywood trailing edge brace Remove shims spar notches center ribs insert 1/16 plywood main spar dihedral braces should fit smoothly place both wings Use sanding block sand spars leading edge trailing edges both wings match angle center rib Place panel flat bench elevate other panel five inches tip two panels should fit together perfectly Join two panels dihedral braces main spars trailing edges Clothespins provide good gluing pressure spar braces handy holling things alignment until glue sets Before everything sets check alignment panel flat bench other tip five inches above board main spar tip well trailing edge tip Glue top trailing edge sheet place add gussets atthe centerandtipribs Sheetthe top bottom center section Note sheeting goes between spars Cut tips soft t glue place gussets spar locations scrap wood leading trailing edges Dress leading edge tips 100-grit sandpaper sanding block up trailing edge Sand complete wing fine sandpaper epoxy 1/16-in music wire center wing now ready cover fuselage fuselage sides cut two sheets a 6 wide 36 long sheets can made edgeContinued page 107 Low flyby shows off pert little bird its best advantage Tail-draggers have charm sf0 tneres OflO less llflK8C wnen dont have steerable nosewheel Add hands-off stability solid construction youll see like Onestep training purposes September 1981 27 w -I MAR INTRODUCING TRIC LINE CONTROL MODELS B [ ELECTROLINE MODELS FUN PO BOX 25030 SAFE BEVERLY HILLS CA 90213 SEND FOR FREE INFORMATION ON MODEL KITS AND ACCESSORIES QUIET CLEAN EASY TO FLY FAST ASSEMBLY FLYS 15-20 MIN LOW COST Onestep/Randoiph Continued page 27 glueing 3-in stock form wider sheets cant find size Trace side view fuselage onto sheets Hold both sheets together masking tape cut both fuselage sides same time Use fuselage sides template cut 1/16 plywood doublers sheet 6 x 12 ply should provide both doublers sharp knife should cut 1/16 plywood ease Epoxy doublers place fuselage sides left right Epoxy has less tendency warp sides Glue longer ons uprights overlap doublers trim away 1/16 will fit smoothly over glue has cured place two sides back-to-back plywood-longeron sides out sand edges both until same Cut firewall Fl A-in plywood Cut bulkhead F2 Vs-in plywood Build up balsa bulkhead F3 -in stock Mark drill holes firewall engine mount fuel overflow lines throttle line Install blind nuts aft side receive engine mount bolts Epoxy place Glue fuselage bulkheads F2 F3 position sides Use triangle align right angles side glue has set glue other side directly over first Bevel inside longerons tail fit together both sides joined glue Use straightedge across stab cutout squareness Bring sides together firewall epoxy place plywood doubler Sight down fuselage check alignment Glue 3-in piece 1/16 balsa grain running across fuselage just front stab cutout top fuselage Install outer Nyrods elevator rudder Use epoxy microballoons Install rest top bottom sheeting aft F3 top sheeting just aft bulkhead filled scrap wood trimmed sanded conform dihedral angle wing Install Vs balsa floor under tank location spread epoxy tank area protect fuel spilL Install Nyrod firewall cabin area throttle line Continued nrnp 112 SImply screw el. engine mount nd lank bracket work bench tool boa bolt ejipine ready run minutes Includes Cast Aluminum Engine Mount 4 oz Polyethylene Tank Tubes Fittings Tank Mounting Bracket Mounting Screws Nuts Bolts inin inmmm m m q ENGINE TEST STAND I only 1395 IU I1 II II II GUARANTEED strangest ru ed engine test stand available Fully adjustagyefor ii engines V2A Ia 80 displacement eptemoerii 1w 5 4 ddlO Williams DlOT5 jon moxners isne ausnors granason just before Jons first flight Onestep perfect trainerit wont spiral dive Eddie cuacnas JOEl nrougn nis yirsi Takeoff Onestep raises Its tail GIANT SCALE -1 QUARTER SCALEi &_ 3 iFOOTI SY POPULAR DEMAND SPANDAU & VICKEES PLASTIC GUN KITS STANDARD PILOT COMPLETE WITH GOGGLES GNOME ROTARY ENGINE CYLINDERS VINTAGE GOLDEN AGE ARALLOON TIRE WHEELS Send $1 lilustrated Catalog WILLIAMSBROTHERS INC IIlU025 Dept MA 181 Pawnee Street Marcos Calif 92069 ALL NEW FROM PICA EIP 1059 oz five minute epoxy difference sandable epoxy available Compatible resin coating has new flip-top cap Industrial Strength 100% uncut resin FOR THE NEWCOMER Its super stable gentle faster building versatile Extended Wing version SPECIFICATIONS Fuselage 44V2 inches Extended Wing VersionWeight 4-4V2 pounds Wing Span 54 area 615 sq inches Engine 25-40 Wing Span 50 area 565 sq inches GLUIT H/P 601 12 oz heavy duty aliphatic white glue especially formulated modelers Its sandable fast drying truly heavy duty Its great hardwood plywood fiber materials subject high stress torque 557 N 6 188rn S M am Fl0 33180 TeeQnoae 935 1436 CANTON MODEL PRODUCTS Presents Dip Stick FAST QUICK EASY TO FINISH DS 40 55 SPAN 560 SQ IN WING LOADING 165-20 OZ 29-45 ENGINE 43 LENGTH 3 OR 4 CHANNEL PRICE 4995 ADD 4 SHIPPING CHARGE DS 60 64 SPAN 672 SQ IN WING LOADING 20-22 OZ 46-60 ENGINE 48 LENGTH 3 OR 4 CHANNEL PRICE 5995 EXTREMELYADD 6 SHIPPING RUGGED TRAINER CHARGE WITH SYMMETRICAL AIRFOIL FOR AEROBATIC FLYING HIGHLY PRE-FABRICATED KIT INCLUDES PRE-SHEETED BALSA FOAM WING5 PRE-BUILT JIG ASSEMBLED WOOD FUSELAGE PRE-SHAPED BALSA TAIL ASSEMBLY PRE-FORMED LANDING GEAR TAIL WHEEL AND AILERON WIRES INSTRUCTION SHEET WITH FULLY ILLUSTRATED ASSEMBLY DRAWINGS TO ORDER SEND BANK CHECK OR MONEY ORDER TO CANTON MODEL PRODuCTS PO BOX 6063 CANTON OHIO 44706 OR CALL 12161 4541535 FOR IMMEDIATE COD SHIPMENT Glue -in copper tube fuel overflow lines through firewalL Cut wedges foam fit betwen tank fuselage sides glue place tank should snug fit between foam firewall bulkhead F2 Connect fuel overflow lines tank firewall tubes complete top sheeting firewall wing mount Put wedge foam over tank during sheeting hold firmly place fuselage sides can cut off front firewall fully exposed engine desired Little no difference flying will noted cowl desired cut wedges soft balsa epoxy bottom fuselage sides front firewall glue has set use sanding block sand wedges flush sides sheet bottom soft a sheet front cowl firewalL Temporarily install engine mount engine firewall Slip 2-in paper disk shaft trace around soft pencil mark its location front cowl Cut semi-circle -in soft balsa 2 in diameter Epoxy nose block location marked front cowl glue has set mount 2-in spinner engine coarse sandpaper sand cowl front conform spinner Trim cowl sides clear muffler give access needle valve lines fuel throttle Sand cowl sides smoothly spinner Make sandwich ood landing gear mount shown plans Glue place complete bottom sheeting 1/16 balsa aft landing gear mount tail Build stab rudder right over plansjust wing assembled forget 1/32 plywood doubler adds little weight much strength movable parts cut very soft wood sanded conform outline mating surfaces will hinged place covering applied Sand complete airframe fine sandpaper airplane ready cover Covering covering can commercially available iron-on coverings Follow instructions come covering covering fuselage bottom should covered first sides finally top Overlap covering engine area paint firewall inside cowl seams around cowl matching epoxy paint glue seal areas fueL pinstripes between trim areas sliced black film ironed place seems stay place better trim tapes landing gear Scribe two parallel lines 2 apart piece scrap board will jig assembling gear Bend two landing gear legs 3/32-in music wire Attach legs across other along lines jig board clips screws just will mounted fuselage Bend spreader 1/16-in music wire Bind joints formed two legs spreader side soft copper wire solder Slip piece -in brass tube over axle solder washer tubing axles Slip wheels axles hold place -in collars Check align ment solder epoxy clips legs remove jig board Hold gear place fuselage mark location screw holes gear mount Drill 1/16-in holes spots install gear Trim covering away top fuselage fin will attached center section stab goes through fuselage Hinge elevator stab epoxy fin stab place Bend tail gear 1/16-in music wire top part goes rudder bent until after gear mounted Solder washer place shown Screw epoxy gear mount place Mount wheel Slide gear through mount fuselage stab bend arm epoxy place rudder hinged fin wheel should move rudder line Completion Attach engine mount firewall mount engine Install radio gear wrapping battery pack foam sealing plastic hag slide up under tank shown plans Mount servos plywood tray Move servos receiver forward backward cabin until airplane balances location shown Glue servo tray place rails Wrap receiver foam hold place Install rudder elevator horns locations shown connect servos Nyrods threaded studs devises surfaces should neutral throttle line florist wire run through guide Z-bend attaching throttle arm well servo Bend -in U-shape line between firewall throttle arm adjustment strain relief Epoxy A-in dowel wing hold-downs place airplane ready fly Continued page 116 112 Model Aviation Flying As new installations range check radioand check movement direc tion surfaces engine running everything working perfectly its time test flight trim flight prefer call Onestep handles very well ground As conventional-gear airplanes downwind turns difficult Tracking takeoff excel lent wind lift-off rather rapid cause light wing loading ready 15 full throttle climb-out about 450 angle ground Half throttle provides best cruise outermost holes rudder elevator horns used control response quite gentle classic vertical spiral dive must done deliberately holding down elevator Landings quite slow application back stick increasing throw control sur faces rolls snaps may done Inverted flight possible requires lots forward stick As well being solid stable trainer Onestep will hold its own fun flys can bounced precision landings will loop very tightly need can carry its own weight payload model good first step Schneider Races/Berliner Continued page 35 obviously-faster Passaleva 551 took off just after Biard finished lap expecting blast Englishman Out race soaking Savoia received capsized trials affected glue its propeller wooden laminations began separate Passaleva forced throttle back keep vibration manage able leveL prop somehow hung together 1 hours finished almost two minutes behind winner Biard other Italians well back Biard averaged record 1457 mph Passaleva 1426 mph Zanetti 133 mph Corgnolino 124 mph progress stimulated increasingly com petitive prestigious Schneider Trophy pushed four finishers speeds higher existing record set just year before next racethe seventh series would held Cowes England autumn 1923 would see first serious entry United States end era standard modified produc tion seaplanes would dominate Schneider would race racing aircraft would also second half story would stick memories aviation enthusiasts throughout world because races brought spotlight some exciting pure-speed aircraft would ever seen RC AerobaticsNan Putte Continued page 37 maintain Knife-Edge airplane rolled 900 clockwise didnt happen Surprisingly bit right rudder required last point Four-Point Roll before Does pipe cause fuel consumed Definitely Supertigre G-60 used burn about 10 oz fuel complete Expert class Pattern flight now goes through about 14 oz computes about nine Pattern flights per gallon fuel Its good thing make own fuel bottom line dont like looks fuel consumption piped engine like way makes Expert pattern easier well still dont think benefits warrant use tuned pipe Novice Advanced classes flying field yesterday asked advice experienced flier problem easy solve began wonder werent few experienced fliers out same difficulty mention beginners RC flying What prob lem couldnt keep airplane bounc ing unless performed perfect landing two things wrong landing gear setup either would have caused bouncy landings First airplane sat nose-high landing gear type setup guarantees difficulty landings because wing positive angle attack lift will generated long airplane moving means airplane will attempt take off again its landed hot higher angle airplane sits slower speed will try take off again best way eliminate problem set up airplane fuselage sits parallel runway slightly nose-down nose slightly down lift killed airplane rotates onto nose gear model tends stick runway However excessive nose-down attitude will cause airplane impossible take off smoothly since will difficult rotate nose up until model moving very fast airplane looks like hound scent landings may easy takeoffs will very abrupt second problem flier angled main gear struts back because liked look way Unfortunately gear struts angled hack airplane tends squat landing cause vertical load landing causes strut bend further back up nose gear doesnt same Continued page 118 * 30% STAND OFF SCALE SIZE * 92 WINGSPAN SO IN * WEIGHT 15 21 LBS * FiBERGLAS COWL LFANTS * GuADRA ENGINE * AVAILABLE NOW *PRICE6dOrI95 1/4 Scale d War K #RCQS-7 Plan Set $2495 80A Wingspan 24 Cu Engines Wgt 10% lbs wia radio 3-5 Channels R/C FOKKER TRIPLANE DR-i IIRCQS-e Plan Set $2495 70 Span maneuverable flys limited ares tie ds Prices tor Complete Plans Sub Assembly ano Detailed Parts Lists Add $200 Mailing Tube Send BroChure Details new designs & great thin9s come Send $100 retundable tor information 5 6 Model AVIaTIon THE WORLDS FIRST ADJUSTABLE HAND SANDEREXTRA HANDS THE DUPLICATOR MKI IPat PendingModel Aircraft Covering Tool Just duplicator does followingModel No 36 Pat No 33867271 Creates accurate 180 round patterns last breakthrough hit Toledo edges wings 118 fhru 112in make covering easyMacs Dallas stabs rudders,# 1116 incruments fast novicePasadena shows fuselage etc luded tool ert Duplicates roundsAC Make own Works types angles up 1 v I/ number sizes monokote order direcl $1995 semi-rounds curve patterns intinite covering material . dealer deep 34 oz fiberglass plus $200 shipping dealer order direct $1995 plus $200 shippingGREAT TIME SAVERS INVENTED BY AVID MODELER TO MAKE BUILDING EVEN MORE ENJOYABLE Once add foot cottection N J LIND COMPANY youtt wonder got atong them2912 Walker Lee Alamitos CA 90720Distributors inquiries incited U U 1or Outstanding Big Scale Aerobatics r Ohio S SSm 66I0-S6. 0
Edition: Model Aviation - 1981/09
Page Numbers: 20, 21, 22, 23, 24, 25, 26, 27, 107, 112, 116
NO OCR TEXT NO OCR TEXT rib ribs cut stack together flat surface short pieces spar material notches hold alignment Pin together sand correct outline sand ing block 100-grit sandpaper sanding finished ribs should look like cut bandsaw single block Select four ribs stack slice 1/16 top bottom ribs will go center section wing trimmed make way sheeting covers Slice 1/16 both sides main spar notches ribs accept dihedral braces will strengthen center section joint Cut dihedral braces main spars trailing edge 1/16 plywood metal straightedge utility knife make relatively easy job Cut repetitive light strokes Cut trailing edge sheet firm 1/16 sheet balsa spars leading edge /4 can best stripped metal straightedge sharp model knife Use care hold knife exactly right angle sheet edges strips will true Make jig shown photos cut webs main spar webs 2-15/16 x tep ready go wheels ahead center gravity leading edge wing simplify tail-dragger landings Spreader wire between gear lets bounce down have no sweat just thing Touch-and-Go fun fly Hail view snows steerable tail wheel washer soldered music wire hold wire place against nylon bracket wire extends up through fuselage lower part rudder R rear view showing control surface linkages original mode hinged MonoKote see text instructions engine easily cowled adding balsa bottom sanding shape wish leave off cowl cutting fuselage firewallit wont hurt performance 1/16 BALSA WEBS OUTTO 6ThRIB- 1/16 PLY#OOO BRACE AT SIR -TOPS -BOflCtl FRONT AND REAR 1 1/16 SHEET BALSA CENTER SECTiON OILY PLY BRE AT TE 3/16 SQ BALSA LONGERONS AND FRAMING 3/16 XI/2 BALSA WING SADDLE 1/16 SHEET BALSA TOP AND BOlTOM 1/4 BALSA DORSAL K 1/4 SHEET BALSA 1/4 SQ LEDGE AND RIBSRWDER STABILIZER 1/4 X 1/2 FIN FRAMES NYROD GUIDES 1/4 SHEET BALSA TAB CENTER PLATltlv1 V4 DOWELS I/BBALSA COWLtJG V4 PLY WOOD FIREWALL 15 ENGINE I/4X 1/2 LEDGE-TIP- SR WHEEL ON 1/16 WIRE THRU BRACKET INTO RUDDER 1/B BALSA SHEET SIDES NOSE 10 TTlL 1/16 SHEET TE TOP AND BOTTOM WITH WEBS Co CD CD 2 C CD -i 0 0 I3 1/4 SHEET FORMER SOFT BALSA BLOCKS I/ M WIRE SPREADER F 3 I/B SHEET BALSA FORMER 3/16X 1/2 BALSA SUPPORT FOR SERVO TRAY I/Is PLYWOOD DOUBLER TO flREWALL F-2 I/BPLW4000 FORMER I/BPLYOD DWBLED FOR LG hJNT I/B SHEET BALSA TIPS 1/16 SHEET BALSA RIBS ALL EQUAL N 1/4 X I/2BALSA SPARS TOPAND BOTTOM I/4SQ BALSA L E SPARS TOP AND BOTIOM I/4SQ LEADNG EDGE HARD BALSA 2 1/2 WHEELS ON 3/32 P&JSIC WIRE GEAR 4 trailing edge webs 2-15/16 x 1A Note angle center rib two wing grain vertical longest dimen- panels can joined proper dihedral sion Make dihedral angle gauge card- angle wing now ready assembled board shown plans used set flat building board absolute necessity should 36 long least 12 wide material will hold pins firmly Plywood -in thickness works well Pin plans work board cover 24 Model Aviation make tempiate rrom tfllcK cardboard ue tile toider use tine Cut notches spars first before rest rib helps point marker make printed sheet wing ribs keep splitting wood go Stack ribs together insert two pieces spar stock top bottom hold place Sand stack until ribs smooth simple jig makes short work cutting spar webs Side pieces hold sheet straight metal straightedge cutting surface finished wing kit parts cut sanded shape before beginning construction wing Its easier way Cut dihedral angle gauge cardboard thin plywood see plans use set center ribs proper angle Uevel trailing edge allow top sheeting ut smoothly nnished center joint wing Note dihedral braces place either side main spar top bottom trailing edge September 1981 25 lop trailing edge sheeting place Note fits behind spar cruaning uiu wOd rubberband wing hoId-d.... aud gussets wing tip pieces sand curve dont make contact iron-on covering Build rudder stabilizer over tne plans iover plans clear plastic wrap wax paper prevent gluing parts Wrap medium grade sandpaper around -in dowel sand gussets Cut out boTh tuselage aloes same mIme rin IueLnur e,u u ins pywoou uuuuur servo mounting rails wing mount installed Note wing mount rails trimmed fit over doubler Glue bulkheads fuselage side use triangle assure squareness wax paper plastic dry cleaner bag protect glue Pin bottom trailing edge sheet bottom main spar over plan Pin piece scrap 1/16 balsa shim under two center ribs will hold off board allow room center sheet ing Using dihedral gauge guide trim ends two main spar webs two trailing edge webs dihedral angle Temporarily place some scrap 1/16 balsa both sides main spar center take place di hedral braces install center rib Use dihedral gauge set proper angle Glue top spar bottom trailing edge sheeting Glue trimmed spar webs trailing edge webs place next center rib Add next center section rib glue top main spar well webs trailing edge sheeting Install webs first regular rib dihedral braces extend far top main spar Continue adding ribs webs out tip spar webs extend part way out trailing edge webs go way tip ribs glued place add top main spar sure glue webs 26 Model Aviation Attach Other side bulkheads checking alignment carefully Addsheetingtothetopandbottomofthefuselage Notegraindirection tank held place foam blocks either side sure install fuel lines kink form engine cowl epoxy soft balsa wedges fuselag nose block epoxied place whole front end trimmed sanded shape fit engine installation iw urn ur scrap ooara ror bending soldering landing gear Attacn ianaing gear iegs tne ruseiage wirn straps shown plans FULL-SIZE PLANSAVAILABLE SEE PAGE 140 04 SO FRONTSd OSE ShEa 03/ROOT3/ARTOfl 0*0 ARC OFARMS 0 M4M2 BALSA5505 3/BA SEERS 5 we01650220005 FIX S BALSAMSRN& ARMS80*35 *30 BALSA 00 ROAR LEFT WING PLAN ~0 STFR aS 3/AC EpOS MS VEROCALSOOT 0* EAC 8050 TAR 8800 2 OOEMSAL A-MO 20*5 EAO OF03/SYS FRALOSO FORE FOWE BAFFLER weROAW S OMEARLAR LIPE WOO 001 TO FT MOOT SRAFT IS 500000 TAROrILeiM4FSoMR P50 FlFA 00500 5000 BALSALS 3/53/0MS SO LEAMSC4 BALSA OJABATSLOSH 005103 SIR TO COONESBOC SOlO ARMS ___________________ AL.. -TO CEOSAL OSSACO 0000510 01025 & ROlLS RIGS-SF ______ ______ ______ ______ ______ ______ ______ ______ ______ OARS ARC RB Ma BALSA ________________ ________WCG 03 OTHER SIDES0RasA __________22 REAR THIS TO ooTTOO IWE MS OFUTER RIBS LTC0SELSA 63/0 THBA0SEORE SOSLOSO 53/BALSA *o - _____ _____ -03/LW AWE SOHAR_________we Wa BALSA3/s MAR SlOG ESlBAfONAL ROLES MS 000 Wa4 we MACMS 70010 ewe A00MARS MR*L os SOOT s/raw LAROhA 3/ARBALSA FROST CR0 SOT oo MS31000 oRICELMS0S WE MSBAJ#A ACES MS MS PLO AR TMSOSSI WIRY EFROY H FEooBIEET0*LOoATIoB 000SF 0000FlBATTERY FM SOARLIStRISSAL MO 000 BALSA N 0SA L 05003/S LOOtS 3/AR 505100 03/ WOOF SOROSSOTOO MA RiO SAALOROSSO raw SART VS BALSA BATE50 T 0050 0050SF WIRY 2-8 0505SF {0\ 3ARA% 000000 0000 S-AR ENAREAMA SES*E0S MIO sowEr 005 SE 900500 MS WiSE WE IASE PLO OSIOROOL 006007I WHEEL 00 C r S C s C ST-aREA 555 SEQ 95W0 SW Ut ITRACING ET JOE DEMBRCO well ribs Add top front spar Glue 1/16 x 3/32 trailing edge bottom sheeting back ribs add top trailing edge sheeting time glue has set remove wing half plan add bottom spar leading edge Build other wing half same sequence root tip both sections wing finished use sanding block bevel trailing edge match slope ribs top sheeting will fit smoothly Trim 1/16-in notch trailing edges both center ribs panel accept 1/16 plywood trailing edge brace Remove shims spar notches center ribs insert 1/16 plywood main spar dihedral braces should fit smoothly place both wings Use sanding block sand spars leading edge trailing edges both wings match angle center rib Place panel flat bench elevate other panel five inches tip two panels should fit together perfectly Join two panels dihedral braces main spars trailing edges Clothespins provide good gluing pressure spar braces handy holling things alignment until glue sets Before everything sets check alignment panel flat bench other tip five inches above board main spar tip well trailing edge tip Glue top trailing edge sheet place add gussets atthe centerandtipribs Sheetthe top bottom center section Note sheeting goes between spars Cut tips soft t glue place gussets spar locations scrap wood leading trailing edges Dress leading edge tips 100-grit sandpaper sanding block up trailing edge Sand complete wing fine sandpaper epoxy 1/16-in music wire center wing now ready cover fuselage fuselage sides cut two sheets a 6 wide 36 long sheets can made edgeContinued page 107 Low flyby shows off pert little bird its best advantage Tail-draggers have charm sf0 tneres OflO less llflK8C wnen dont have steerable nosewheel Add hands-off stability solid construction youll see like Onestep training purposes September 1981 27 w -I MAR INTRODUCING TRIC LINE CONTROL MODELS B [ ELECTROLINE MODELS FUN PO BOX 25030 SAFE BEVERLY HILLS CA 90213 SEND FOR FREE INFORMATION ON MODEL KITS AND ACCESSORIES QUIET CLEAN EASY TO FLY FAST ASSEMBLY FLYS 15-20 MIN LOW COST Onestep/Randoiph Continued page 27 glueing 3-in stock form wider sheets cant find size Trace side view fuselage onto sheets Hold both sheets together masking tape cut both fuselage sides same time Use fuselage sides template cut 1/16 plywood doublers sheet 6 x 12 ply should provide both doublers sharp knife should cut 1/16 plywood ease Epoxy doublers place fuselage sides left right Epoxy has less tendency warp sides Glue longer ons uprights overlap doublers trim away 1/16 will fit smoothly over glue has cured place two sides back-to-back plywood-longeron sides out sand edges both until same Cut firewall Fl A-in plywood Cut bulkhead F2 Vs-in plywood Build up balsa bulkhead F3 -in stock Mark drill holes firewall engine mount fuel overflow lines throttle line Install blind nuts aft side receive engine mount bolts Epoxy place Glue fuselage bulkheads F2 F3 position sides Use triangle align right angles side glue has set glue other side directly over first Bevel inside longerons tail fit together both sides joined glue Use straightedge across stab cutout squareness Bring sides together firewall epoxy place plywood doubler Sight down fuselage check alignment Glue 3-in piece 1/16 balsa grain running across fuselage just front stab cutout top fuselage Install outer Nyrods elevator rudder Use epoxy microballoons Install rest top bottom sheeting aft F3 top sheeting just aft bulkhead filled scrap wood trimmed sanded conform dihedral angle wing Install Vs balsa floor under tank location spread epoxy tank area protect fuel spilL Install Nyrod firewall cabin area throttle line Continued nrnp 112 SImply screw el. engine mount nd lank bracket work bench tool boa bolt ejipine ready run minutes Includes Cast Aluminum Engine Mount 4 oz Polyethylene Tank Tubes Fittings Tank Mounting Bracket Mounting Screws Nuts Bolts inin inmmm m m q ENGINE TEST STAND I only 1395 IU I1 II II II GUARANTEED strangest ru ed engine test stand available Fully adjustagyefor ii engines V2A Ia 80 displacement eptemoerii 1w 5 4 ddlO Williams DlOT5 jon moxners isne ausnors granason just before Jons first flight Onestep perfect trainerit wont spiral dive Eddie cuacnas JOEl nrougn nis yirsi Takeoff Onestep raises Its tail GIANT SCALE -1 QUARTER SCALEi &_ 3 iFOOTI SY POPULAR DEMAND SPANDAU & VICKEES PLASTIC GUN KITS STANDARD PILOT COMPLETE WITH GOGGLES GNOME ROTARY ENGINE CYLINDERS VINTAGE GOLDEN AGE ARALLOON TIRE WHEELS Send $1 lilustrated Catalog WILLIAMSBROTHERS INC IIlU025 Dept MA 181 Pawnee Street Marcos Calif 92069 ALL NEW FROM PICA EIP 1059 oz five minute epoxy difference sandable epoxy available Compatible resin coating has new flip-top cap Industrial Strength 100% uncut resin FOR THE NEWCOMER Its super stable gentle faster building versatile Extended Wing version SPECIFICATIONS Fuselage 44V2 inches Extended Wing VersionWeight 4-4V2 pounds Wing Span 54 area 615 sq inches Engine 25-40 Wing Span 50 area 565 sq inches GLUIT H/P 601 12 oz heavy duty aliphatic white glue especially formulated modelers Its sandable fast drying truly heavy duty Its great hardwood plywood fiber materials subject high stress torque 557 N 6 188rn S M am Fl0 33180 TeeQnoae 935 1436 CANTON MODEL PRODUCTS Presents Dip Stick FAST QUICK EASY TO FINISH DS 40 55 SPAN 560 SQ IN WING LOADING 165-20 OZ 29-45 ENGINE 43 LENGTH 3 OR 4 CHANNEL PRICE 4995 ADD 4 SHIPPING CHARGE DS 60 64 SPAN 672 SQ IN WING LOADING 20-22 OZ 46-60 ENGINE 48 LENGTH 3 OR 4 CHANNEL PRICE 5995 EXTREMELYADD 6 SHIPPING RUGGED TRAINER CHARGE WITH SYMMETRICAL AIRFOIL FOR AEROBATIC FLYING HIGHLY PRE-FABRICATED KIT INCLUDES PRE-SHEETED BALSA FOAM WING5 PRE-BUILT JIG ASSEMBLED WOOD FUSELAGE PRE-SHAPED BALSA TAIL ASSEMBLY PRE-FORMED LANDING GEAR TAIL WHEEL AND AILERON WIRES INSTRUCTION SHEET WITH FULLY ILLUSTRATED ASSEMBLY DRAWINGS TO ORDER SEND BANK CHECK OR MONEY ORDER TO CANTON MODEL PRODuCTS PO BOX 6063 CANTON OHIO 44706 OR CALL 12161 4541535 FOR IMMEDIATE COD SHIPMENT Glue -in copper tube fuel overflow lines through firewalL Cut wedges foam fit betwen tank fuselage sides glue place tank should snug fit between foam firewall bulkhead F2 Connect fuel overflow lines tank firewall tubes complete top sheeting firewall wing mount Put wedge foam over tank during sheeting hold firmly place fuselage sides can cut off front firewall fully exposed engine desired Little no difference flying will noted cowl desired cut wedges soft balsa epoxy bottom fuselage sides front firewall glue has set use sanding block sand wedges flush sides sheet bottom soft a sheet front cowl firewalL Temporarily install engine mount engine firewall Slip 2-in paper disk shaft trace around soft pencil mark its location front cowl Cut semi-circle -in soft balsa 2 in diameter Epoxy nose block location marked front cowl glue has set mount 2-in spinner engine coarse sandpaper sand cowl front conform spinner Trim cowl sides clear muffler give access needle valve lines fuel throttle Sand cowl sides smoothly spinner Make sandwich ood landing gear mount shown plans Glue place complete bottom sheeting 1/16 balsa aft landing gear mount tail Build stab rudder right over plansjust wing assembled forget 1/32 plywood doubler adds little weight much strength movable parts cut very soft wood sanded conform outline mating surfaces will hinged place covering applied Sand complete airframe fine sandpaper airplane ready cover Covering covering can commercially available iron-on coverings Follow instructions come covering covering fuselage bottom should covered first sides finally top Overlap covering engine area paint firewall inside cowl seams around cowl matching epoxy paint glue seal areas fueL pinstripes between trim areas sliced black film ironed place seems stay place better trim tapes landing gear Scribe two parallel lines 2 apart piece scrap board will jig assembling gear Bend two landing gear legs 3/32-in music wire Attach legs across other along lines jig board clips screws just will mounted fuselage Bend spreader 1/16-in music wire Bind joints formed two legs spreader side soft copper wire solder Slip piece -in brass tube over axle solder washer tubing axles Slip wheels axles hold place -in collars Check align ment solder epoxy clips legs remove jig board Hold gear place fuselage mark location screw holes gear mount Drill 1/16-in holes spots install gear Trim covering away top fuselage fin will attached center section stab goes through fuselage Hinge elevator stab epoxy fin stab place Bend tail gear 1/16-in music wire top part goes rudder bent until after gear mounted Solder washer place shown Screw epoxy gear mount place Mount wheel Slide gear through mount fuselage stab bend arm epoxy place rudder hinged fin wheel should move rudder line Completion Attach engine mount firewall mount engine Install radio gear wrapping battery pack foam sealing plastic hag slide up under tank shown plans Mount servos plywood tray Move servos receiver forward backward cabin until airplane balances location shown Glue servo tray place rails Wrap receiver foam hold place Install rudder elevator horns locations shown connect servos Nyrods threaded studs devises surfaces should neutral throttle line florist wire run through guide Z-bend attaching throttle arm well servo Bend -in U-shape line between firewall throttle arm adjustment strain relief Epoxy A-in dowel wing hold-downs place airplane ready fly Continued page 116 112 Model Aviation Flying As new installations range check radioand check movement direc tion surfaces engine running everything working perfectly its time test flight trim flight prefer call Onestep handles very well ground As conventional-gear airplanes downwind turns difficult Tracking takeoff excel lent wind lift-off rather rapid cause light wing loading ready 15 full throttle climb-out about 450 angle ground Half throttle provides best cruise outermost holes rudder elevator horns used control response quite gentle classic vertical spiral dive must done deliberately holding down elevator Landings quite slow application back stick increasing throw control sur faces rolls snaps may done Inverted flight possible requires lots forward stick As well being solid stable trainer Onestep will hold its own fun flys can bounced precision landings will loop very tightly need can carry its own weight payload model good first step Schneider Races/Berliner Continued page 35 obviously-faster Passaleva 551 took off just after Biard finished lap expecting blast Englishman Out race soaking Savoia received capsized trials affected glue its propeller wooden laminations began separate Passaleva forced throttle back keep vibration manage able leveL prop somehow hung together 1 hours finished almost two minutes behind winner Biard other Italians well back Biard averaged record 1457 mph Passaleva 1426 mph Zanetti 133 mph Corgnolino 124 mph progress stimulated increasingly com petitive prestigious Schneider Trophy pushed four finishers speeds higher existing record set just year before next racethe seventh series would held Cowes England autumn 1923 would see first serious entry United States end era standard modified produc tion seaplanes would dominate Schneider would race racing aircraft would also second half story would stick memories aviation enthusiasts throughout world because races brought spotlight some exciting pure-speed aircraft would ever seen RC AerobaticsNan Putte Continued page 37 maintain Knife-Edge airplane rolled 900 clockwise didnt happen Surprisingly bit right rudder required last point Four-Point Roll before Does pipe cause fuel consumed Definitely Supertigre G-60 used burn about 10 oz fuel complete Expert class Pattern flight now goes through about 14 oz computes about nine Pattern flights per gallon fuel Its good thing make own fuel bottom line dont like looks fuel consumption piped engine like way makes Expert pattern easier well still dont think benefits warrant use tuned pipe Novice Advanced classes flying field yesterday asked advice experienced flier problem easy solve began wonder werent few experienced fliers out same difficulty mention beginners RC flying What prob lem couldnt keep airplane bounc ing unless performed perfect landing two things wrong landing gear setup either would have caused bouncy landings First airplane sat nose-high landing gear type setup guarantees difficulty landings because wing positive angle attack lift will generated long airplane moving means airplane will attempt take off again its landed hot higher angle airplane sits slower speed will try take off again best way eliminate problem set up airplane fuselage sits parallel runway slightly nose-down nose slightly down lift killed airplane rotates onto nose gear model tends stick runway However excessive nose-down attitude will cause airplane impossible take off smoothly since will difficult rotate nose up until model moving very fast airplane looks like hound scent landings may easy takeoffs will very abrupt second problem flier angled main gear struts back because liked look way Unfortunately gear struts angled hack airplane tends squat landing cause vertical load landing causes strut bend further back up nose gear doesnt same Continued page 118 * 30% STAND OFF SCALE SIZE * 92 WINGSPAN SO IN * WEIGHT 15 21 LBS * FiBERGLAS COWL LFANTS * GuADRA ENGINE * AVAILABLE NOW *PRICE6dOrI95 1/4 Scale d War K #RCQS-7 Plan Set $2495 80A Wingspan 24 Cu Engines Wgt 10% lbs wia radio 3-5 Channels R/C FOKKER TRIPLANE DR-i IIRCQS-e Plan Set $2495 70 Span maneuverable flys limited ares tie ds Prices tor Complete Plans Sub Assembly ano Detailed Parts Lists Add $200 Mailing Tube Send BroChure Details new designs & great thin9s come Send $100 retundable tor information 5 6 Model AVIaTIon THE WORLDS FIRST ADJUSTABLE HAND SANDEREXTRA HANDS THE DUPLICATOR MKI IPat PendingModel Aircraft Covering Tool Just duplicator does followingModel No 36 Pat No 33867271 Creates accurate 180 round patterns last breakthrough hit Toledo edges wings 118 fhru 112in make covering easyMacs Dallas stabs rudders,# 1116 incruments fast novicePasadena shows fuselage etc luded tool ert Duplicates roundsAC Make own Works types angles up 1 v I/ number sizes monokote order direcl $1995 semi-rounds curve patterns intinite covering material . dealer deep 34 oz fiberglass plus $200 shipping dealer order direct $1995 plus $200 shippingGREAT TIME SAVERS INVENTED BY AVID MODELER TO MAKE BUILDING EVEN MORE ENJOYABLE Once add foot cottection N J LIND COMPANY youtt wonder got atong them2912 Walker Lee Alamitos CA 90720Distributors inquiries incited U U 1or Outstanding Big Scale Aerobatics r Ohio S SSm 66I0-S6. 0
Edition: Model Aviation - 1981/09
Page Numbers: 20, 21, 22, 23, 24, 25, 26, 27, 107, 112, 116
NO OCR TEXT NO OCR TEXT rib ribs cut stack together flat surface short pieces spar material notches hold alignment Pin together sand correct outline sand ing block 100-grit sandpaper sanding finished ribs should look like cut bandsaw single block Select four ribs stack slice 1/16 top bottom ribs will go center section wing trimmed make way sheeting covers Slice 1/16 both sides main spar notches ribs accept dihedral braces will strengthen center section joint Cut dihedral braces main spars trailing edge 1/16 plywood metal straightedge utility knife make relatively easy job Cut repetitive light strokes Cut trailing edge sheet firm 1/16 sheet balsa spars leading edge /4 can best stripped metal straightedge sharp model knife Use care hold knife exactly right angle sheet edges strips will true Make jig shown photos cut webs main spar webs 2-15/16 x tep ready go wheels ahead center gravity leading edge wing simplify tail-dragger landings Spreader wire between gear lets bounce down have no sweat just thing Touch-and-Go fun fly Hail view snows steerable tail wheel washer soldered music wire hold wire place against nylon bracket wire extends up through fuselage lower part rudder R rear view showing control surface linkages original mode hinged MonoKote see text instructions engine easily cowled adding balsa bottom sanding shape wish leave off cowl cutting fuselage firewallit wont hurt performance 1/16 BALSA WEBS OUTTO 6ThRIB- 1/16 PLY#OOO BRACE AT SIR -TOPS -BOflCtl FRONT AND REAR 1 1/16 SHEET BALSA CENTER SECTiON OILY PLY BRE AT TE 3/16 SQ BALSA LONGERONS AND FRAMING 3/16 XI/2 BALSA WING SADDLE 1/16 SHEET BALSA TOP AND BOlTOM 1/4 BALSA DORSAL K 1/4 SHEET BALSA 1/4 SQ LEDGE AND RIBSRWDER STABILIZER 1/4 X 1/2 FIN FRAMES NYROD GUIDES 1/4 SHEET BALSA TAB CENTER PLATltlv1 V4 DOWELS I/BBALSA COWLtJG V4 PLY WOOD FIREWALL 15 ENGINE I/4X 1/2 LEDGE-TIP- SR WHEEL ON 1/16 WIRE THRU BRACKET INTO RUDDER 1/B BALSA SHEET SIDES NOSE 10 TTlL 1/16 SHEET TE TOP AND BOTTOM WITH WEBS Co CD CD 2 C CD -i 0 0 I3 1/4 SHEET FORMER SOFT BALSA BLOCKS I/ M WIRE SPREADER F 3 I/B SHEET BALSA FORMER 3/16X 1/2 BALSA SUPPORT FOR SERVO TRAY I/Is PLYWOOD DOUBLER TO flREWALL F-2 I/BPLW4000 FORMER I/BPLYOD DWBLED FOR LG hJNT I/B SHEET BALSA TIPS 1/16 SHEET BALSA RIBS ALL EQUAL N 1/4 X I/2BALSA SPARS TOPAND BOTTOM I/4SQ BALSA L E SPARS TOP AND BOTIOM I/4SQ LEADNG EDGE HARD BALSA 2 1/2 WHEELS ON 3/32 P&JSIC WIRE GEAR 4 trailing edge webs 2-15/16 x 1A Note angle center rib two wing grain vertical longest dimen- panels can joined proper dihedral sion Make dihedral angle gauge card- angle wing now ready assembled board shown plans used set flat building board absolute necessity should 36 long least 12 wide material will hold pins firmly Plywood -in thickness works well Pin plans work board cover 24 Model Aviation make tempiate rrom tfllcK cardboard ue tile toider use tine Cut notches spars first before rest rib helps point marker make printed sheet wing ribs keep splitting wood go Stack ribs together insert two pieces spar stock top bottom hold place Sand stack until ribs smooth simple jig makes short work cutting spar webs Side pieces hold sheet straight metal straightedge cutting surface finished wing kit parts cut sanded shape before beginning construction wing Its easier way Cut dihedral angle gauge cardboard thin plywood see plans use set center ribs proper angle Uevel trailing edge allow top sheeting ut smoothly nnished center joint wing Note dihedral braces place either side main spar top bottom trailing edge September 1981 25 lop trailing edge sheeting place Note fits behind spar cruaning uiu wOd rubberband wing hoId-d.... aud gussets wing tip pieces sand curve dont make contact iron-on covering Build rudder stabilizer over tne plans iover plans clear plastic wrap wax paper prevent gluing parts Wrap medium grade sandpaper around -in dowel sand gussets Cut out boTh tuselage aloes same mIme rin IueLnur e,u u ins pywoou uuuuur servo mounting rails wing mount installed Note wing mount rails trimmed fit over doubler Glue bulkheads fuselage side use triangle assure squareness wax paper plastic dry cleaner bag protect glue Pin bottom trailing edge sheet bottom main spar over plan Pin piece scrap 1/16 balsa shim under two center ribs will hold off board allow room center sheet ing Using dihedral gauge guide trim ends two main spar webs two trailing edge webs dihedral angle Temporarily place some scrap 1/16 balsa both sides main spar center take place di hedral braces install center rib Use dihedral gauge set proper angle Glue top spar bottom trailing edge sheeting Glue trimmed spar webs trailing edge webs place next center rib Add next center section rib glue top main spar well webs trailing edge sheeting Install webs first regular rib dihedral braces extend far top main spar Continue adding ribs webs out tip spar webs extend part way out trailing edge webs go way tip ribs glued place add top main spar sure glue webs 26 Model Aviation Attach Other side bulkheads checking alignment carefully Addsheetingtothetopandbottomofthefuselage Notegraindirection tank held place foam blocks either side sure install fuel lines kink form engine cowl epoxy soft balsa wedges fuselag nose block epoxied place whole front end trimmed sanded shape fit engine installation iw urn ur scrap ooara ror bending soldering landing gear Attacn ianaing gear iegs tne ruseiage wirn straps shown plans FULL-SIZE PLANSAVAILABLE SEE PAGE 140 04 SO FRONTSd OSE ShEa 03/ROOT3/ARTOfl 0*0 ARC OFARMS 0 M4M2 BALSA5505 3/BA SEERS 5 we01650220005 FIX S BALSAMSRN& ARMS80*35 *30 BALSA 00 ROAR LEFT WING PLAN ~0 STFR aS 3/AC EpOS MS VEROCALSOOT 0* EAC 8050 TAR 8800 2 OOEMSAL A-MO 20*5 EAO OF03/SYS FRALOSO FORE FOWE BAFFLER weROAW S OMEARLAR LIPE WOO 001 TO FT MOOT SRAFT IS 500000 TAROrILeiM4FSoMR P50 FlFA 00500 5000 BALSALS 3/53/0MS SO LEAMSC4 BALSA OJABATSLOSH 005103 SIR TO COONESBOC SOlO ARMS ___________________ AL.. -TO CEOSAL OSSACO 0000510 01025 & ROlLS RIGS-SF ______ ______ ______ ______ ______ ______ ______ ______ ______ OARS ARC RB Ma BALSA ________________ ________WCG 03 OTHER SIDES0RasA __________22 REAR THIS TO ooTTOO IWE MS OFUTER RIBS LTC0SELSA 63/0 THBA0SEORE SOSLOSO 53/BALSA *o - _____ _____ -03/LW AWE SOHAR_________we Wa BALSA3/s MAR SlOG ESlBAfONAL ROLES MS 000 Wa4 we MACMS 70010 ewe A00MARS MR*L os SOOT s/raw LAROhA 3/ARBALSA FROST CR0 SOT oo MS31000 oRICELMS0S WE MSBAJ#A ACES MS MS PLO AR TMSOSSI WIRY EFROY H FEooBIEET0*LOoATIoB 000SF 0000FlBATTERY FM SOARLIStRISSAL MO 000 BALSA N 0SA L 05003/S LOOtS 3/AR 505100 03/ WOOF SOROSSOTOO MA RiO SAALOROSSO raw SART VS BALSA BATE50 T 0050 0050SF WIRY 2-8 0505SF {0\ 3ARA% 000000 0000 S-AR ENAREAMA SES*E0S MIO sowEr 005 SE 900500 MS WiSE WE IASE PLO OSIOROOL 006007I WHEEL 00 C r S C s C ST-aREA 555 SEQ 95W0 SW Ut ITRACING ET JOE DEMBRCO well ribs Add top front spar Glue 1/16 x 3/32 trailing edge bottom sheeting back ribs add top trailing edge sheeting time glue has set remove wing half plan add bottom spar leading edge Build other wing half same sequence root tip both sections wing finished use sanding block bevel trailing edge match slope ribs top sheeting will fit smoothly Trim 1/16-in notch trailing edges both center ribs panel accept 1/16 plywood trailing edge brace Remove shims spar notches center ribs insert 1/16 plywood main spar dihedral braces should fit smoothly place both wings Use sanding block sand spars leading edge trailing edges both wings match angle center rib Place panel flat bench elevate other panel five inches tip two panels should fit together perfectly Join two panels dihedral braces main spars trailing edges Clothespins provide good gluing pressure spar braces handy holling things alignment until glue sets Before everything sets check alignment panel flat bench other tip five inches above board main spar tip well trailing edge tip Glue top trailing edge sheet place add gussets atthe centerandtipribs Sheetthe top bottom center section Note sheeting goes between spars Cut tips soft t glue place gussets spar locations scrap wood leading trailing edges Dress leading edge tips 100-grit sandpaper sanding block up trailing edge Sand complete wing fine sandpaper epoxy 1/16-in music wire center wing now ready cover fuselage fuselage sides cut two sheets a 6 wide 36 long sheets can made edgeContinued page 107 Low flyby shows off pert little bird its best advantage Tail-draggers have charm sf0 tneres OflO less llflK8C wnen dont have steerable nosewheel Add hands-off stability solid construction youll see like Onestep training purposes September 1981 27 w -I MAR INTRODUCING TRIC LINE CONTROL MODELS B [ ELECTROLINE MODELS FUN PO BOX 25030 SAFE BEVERLY HILLS CA 90213 SEND FOR FREE INFORMATION ON MODEL KITS AND ACCESSORIES QUIET CLEAN EASY TO FLY FAST ASSEMBLY FLYS 15-20 MIN LOW COST Onestep/Randoiph Continued page 27 glueing 3-in stock form wider sheets cant find size Trace side view fuselage onto sheets Hold both sheets together masking tape cut both fuselage sides same time Use fuselage sides template cut 1/16 plywood doublers sheet 6 x 12 ply should provide both doublers sharp knife should cut 1/16 plywood ease Epoxy doublers place fuselage sides left right Epoxy has less tendency warp sides Glue longer ons uprights overlap doublers trim away 1/16 will fit smoothly over glue has cured place two sides back-to-back plywood-longeron sides out sand edges both until same Cut firewall Fl A-in plywood Cut bulkhead F2 Vs-in plywood Build up balsa bulkhead F3 -in stock Mark drill holes firewall engine mount fuel overflow lines throttle line Install blind nuts aft side receive engine mount bolts Epoxy place Glue fuselage bulkheads F2 F3 position sides Use triangle align right angles side glue has set glue other side directly over first Bevel inside longerons tail fit together both sides joined glue Use straightedge across stab cutout squareness Bring sides together firewall epoxy place plywood doubler Sight down fuselage check alignment Glue 3-in piece 1/16 balsa grain running across fuselage just front stab cutout top fuselage Install outer Nyrods elevator rudder Use epoxy microballoons Install rest top bottom sheeting aft F3 top sheeting just aft bulkhead filled scrap wood trimmed sanded conform dihedral angle wing Install Vs balsa floor under tank location spread epoxy tank area protect fuel spilL Install Nyrod firewall cabin area throttle line Continued nrnp 112 SImply screw el. engine mount nd lank bracket work bench tool boa bolt ejipine ready run minutes Includes Cast Aluminum Engine Mount 4 oz Polyethylene Tank Tubes Fittings Tank Mounting Bracket Mounting Screws Nuts Bolts inin inmmm m m q ENGINE TEST STAND I only 1395 IU I1 II II II GUARANTEED strangest ru ed engine test stand available Fully adjustagyefor ii engines V2A Ia 80 displacement eptemoerii 1w 5 4 ddlO Williams DlOT5 jon moxners isne ausnors granason just before Jons first flight Onestep perfect trainerit wont spiral dive Eddie cuacnas JOEl nrougn nis yirsi Takeoff Onestep raises Its tail GIANT SCALE -1 QUARTER SCALEi &_ 3 iFOOTI SY POPULAR DEMAND SPANDAU & VICKEES PLASTIC GUN KITS STANDARD PILOT COMPLETE WITH GOGGLES GNOME ROTARY ENGINE CYLINDERS VINTAGE GOLDEN AGE ARALLOON TIRE WHEELS Send $1 lilustrated Catalog WILLIAMSBROTHERS INC IIlU025 Dept MA 181 Pawnee Street Marcos Calif 92069 ALL NEW FROM PICA EIP 1059 oz five minute epoxy difference sandable epoxy available Compatible resin coating has new flip-top cap Industrial Strength 100% uncut resin FOR THE NEWCOMER Its super stable gentle faster building versatile Extended Wing version SPECIFICATIONS Fuselage 44V2 inches Extended Wing VersionWeight 4-4V2 pounds Wing Span 54 area 615 sq inches Engine 25-40 Wing Span 50 area 565 sq inches GLUIT H/P 601 12 oz heavy duty aliphatic white glue especially formulated modelers Its sandable fast drying truly heavy duty Its great hardwood plywood fiber materials subject high stress torque 557 N 6 188rn S M am Fl0 33180 TeeQnoae 935 1436 CANTON MODEL PRODUCTS Presents Dip Stick FAST QUICK EASY TO FINISH DS 40 55 SPAN 560 SQ IN WING LOADING 165-20 OZ 29-45 ENGINE 43 LENGTH 3 OR 4 CHANNEL PRICE 4995 ADD 4 SHIPPING CHARGE DS 60 64 SPAN 672 SQ IN WING LOADING 20-22 OZ 46-60 ENGINE 48 LENGTH 3 OR 4 CHANNEL PRICE 5995 EXTREMELYADD 6 SHIPPING RUGGED TRAINER CHARGE WITH SYMMETRICAL AIRFOIL FOR AEROBATIC FLYING HIGHLY PRE-FABRICATED KIT INCLUDES PRE-SHEETED BALSA FOAM WING5 PRE-BUILT JIG ASSEMBLED WOOD FUSELAGE PRE-SHAPED BALSA TAIL ASSEMBLY PRE-FORMED LANDING GEAR TAIL WHEEL AND AILERON WIRES INSTRUCTION SHEET WITH FULLY ILLUSTRATED ASSEMBLY DRAWINGS TO ORDER SEND BANK CHECK OR MONEY ORDER TO CANTON MODEL PRODuCTS PO BOX 6063 CANTON OHIO 44706 OR CALL 12161 4541535 FOR IMMEDIATE COD SHIPMENT Glue -in copper tube fuel overflow lines through firewalL Cut wedges foam fit betwen tank fuselage sides glue place tank should snug fit between foam firewall bulkhead F2 Connect fuel overflow lines tank firewall tubes complete top sheeting firewall wing mount Put wedge foam over tank during sheeting hold firmly place fuselage sides can cut off front firewall fully exposed engine desired Little no difference flying will noted cowl desired cut wedges soft balsa epoxy bottom fuselage sides front firewall glue has set use sanding block sand wedges flush sides sheet bottom soft a sheet front cowl firewalL Temporarily install engine mount engine firewall Slip 2-in paper disk shaft trace around soft pencil mark its location front cowl Cut semi-circle -in soft balsa 2 in diameter Epoxy nose block location marked front cowl glue has set mount 2-in spinner engine coarse sandpaper sand cowl front conform spinner Trim cowl sides clear muffler give access needle valve lines fuel throttle Sand cowl sides smoothly spinner Make sandwich ood landing gear mount shown plans Glue place complete bottom sheeting 1/16 balsa aft landing gear mount tail Build stab rudder right over plansjust wing assembled forget 1/32 plywood doubler adds little weight much strength movable parts cut very soft wood sanded conform outline mating surfaces will hinged place covering applied Sand complete airframe fine sandpaper airplane ready cover Covering covering can commercially available iron-on coverings Follow instructions come covering covering fuselage bottom should covered first sides finally top Overlap covering engine area paint firewall inside cowl seams around cowl matching epoxy paint glue seal areas fueL pinstripes between trim areas sliced black film ironed place seems stay place better trim tapes landing gear Scribe two parallel lines 2 apart piece scrap board will jig assembling gear Bend two landing gear legs 3/32-in music wire Attach legs across other along lines jig board clips screws just will mounted fuselage Bend spreader 1/16-in music wire Bind joints formed two legs spreader side soft copper wire solder Slip piece -in brass tube over axle solder washer tubing axles Slip wheels axles hold place -in collars Check align ment solder epoxy clips legs remove jig board Hold gear place fuselage mark location screw holes gear mount Drill 1/16-in holes spots install gear Trim covering away top fuselage fin will attached center section stab goes through fuselage Hinge elevator stab epoxy fin stab place Bend tail gear 1/16-in music wire top part goes rudder bent until after gear mounted Solder washer place shown Screw epoxy gear mount place Mount wheel Slide gear through mount fuselage stab bend arm epoxy place rudder hinged fin wheel should move rudder line Completion Attach engine mount firewall mount engine Install radio gear wrapping battery pack foam sealing plastic hag slide up under tank shown plans Mount servos plywood tray Move servos receiver forward backward cabin until airplane balances location shown Glue servo tray place rails Wrap receiver foam hold place Install rudder elevator horns locations shown connect servos Nyrods threaded studs devises surfaces should neutral throttle line florist wire run through guide Z-bend attaching throttle arm well servo Bend -in U-shape line between firewall throttle arm adjustment strain relief Epoxy A-in dowel wing hold-downs place airplane ready fly Continued page 116 112 Model Aviation Flying As new installations range check radioand check movement direc tion surfaces engine running everything working perfectly its time test flight trim flight prefer call Onestep handles very well ground As conventional-gear airplanes downwind turns difficult Tracking takeoff excel lent wind lift-off rather rapid cause light wing loading ready 15 full throttle climb-out about 450 angle ground Half throttle provides best cruise outermost holes rudder elevator horns used control response quite gentle classic vertical spiral dive must done deliberately holding down elevator Landings quite slow application back stick increasing throw control sur faces rolls snaps may done Inverted flight possible requires lots forward stick As well being solid stable trainer Onestep will hold its own fun flys can bounced precision landings will loop very tightly need can carry its own weight payload model good first step Schneider Races/Berliner Continued page 35 obviously-faster Passaleva 551 took off just after Biard finished lap expecting blast Englishman Out race soaking Savoia received capsized trials affected glue its propeller wooden laminations began separate Passaleva forced throttle back keep vibration manage able leveL prop somehow hung together 1 hours finished almost two minutes behind winner Biard other Italians well back Biard averaged record 1457 mph Passaleva 1426 mph Zanetti 133 mph Corgnolino 124 mph progress stimulated increasingly com petitive prestigious Schneider Trophy pushed four finishers speeds higher existing record set just year before next racethe seventh series would held Cowes England autumn 1923 would see first serious entry United States end era standard modified produc tion seaplanes would dominate Schneider would race racing aircraft would also second half story would stick memories aviation enthusiasts throughout world because races brought spotlight some exciting pure-speed aircraft would ever seen RC AerobaticsNan Putte Continued page 37 maintain Knife-Edge airplane rolled 900 clockwise didnt happen Surprisingly bit right rudder required last point Four-Point Roll before Does pipe cause fuel consumed Definitely Supertigre G-60 used burn about 10 oz fuel complete Expert class Pattern flight now goes through about 14 oz computes about nine Pattern flights per gallon fuel Its good thing make own fuel bottom line dont like looks fuel consumption piped engine like way makes Expert pattern easier well still dont think benefits warrant use tuned pipe Novice Advanced classes flying field yesterday asked advice experienced flier problem easy solve began wonder werent few experienced fliers out same difficulty mention beginners RC flying What prob lem couldnt keep airplane bounc ing unless performed perfect landing two things wrong landing gear setup either would have caused bouncy landings First airplane sat nose-high landing gear type setup guarantees difficulty landings because wing positive angle attack lift will generated long airplane moving means airplane will attempt take off again its landed hot higher angle airplane sits slower speed will try take off again best way eliminate problem set up airplane fuselage sits parallel runway slightly nose-down nose slightly down lift killed airplane rotates onto nose gear model tends stick runway However excessive nose-down attitude will cause airplane impossible take off smoothly since will difficult rotate nose up until model moving very fast airplane looks like hound scent landings may easy takeoffs will very abrupt second problem flier angled main gear struts back because liked look way Unfortunately gear struts angled hack airplane tends squat landing cause vertical load landing causes strut bend further back up nose gear doesnt same Continued page 118 * 30% STAND OFF SCALE SIZE * 92 WINGSPAN SO IN * WEIGHT 15 21 LBS * FiBERGLAS COWL LFANTS * GuADRA ENGINE * AVAILABLE NOW *PRICE6dOrI95 1/4 Scale d War K #RCQS-7 Plan Set $2495 80A Wingspan 24 Cu Engines Wgt 10% lbs wia radio 3-5 Channels R/C FOKKER TRIPLANE DR-i IIRCQS-e Plan Set $2495 70 Span maneuverable flys limited ares tie ds Prices tor Complete Plans Sub Assembly ano Detailed Parts Lists Add $200 Mailing Tube Send BroChure Details new designs & great thin9s come Send $100 retundable tor information 5 6 Model AVIaTIon THE WORLDS FIRST ADJUSTABLE HAND SANDEREXTRA HANDS THE DUPLICATOR MKI IPat PendingModel Aircraft Covering Tool Just duplicator does followingModel No 36 Pat No 33867271 Creates accurate 180 round patterns last breakthrough hit Toledo edges wings 118 fhru 112in make covering easyMacs Dallas stabs rudders,# 1116 incruments fast novicePasadena shows fuselage etc luded tool ert Duplicates roundsAC Make own Works types angles up 1 v I/ number sizes monokote order direcl $1995 semi-rounds curve patterns intinite covering material . dealer deep 34 oz fiberglass plus $200 shipping dealer order direct $1995 plus $200 shippingGREAT TIME SAVERS INVENTED BY AVID MODELER TO MAKE BUILDING EVEN MORE ENJOYABLE Once add foot cottection N J LIND COMPANY youtt wonder got atong them2912 Walker Lee Alamitos CA 90720Distributors inquiries incited U U 1or Outstanding Big Scale Aerobatics r Ohio S SSm 66I0-S6. 0
Edition: Model Aviation - 1981/09
Page Numbers: 20, 21, 22, 23, 24, 25, 26, 27, 107, 112, 116
NO OCR TEXT NO OCR TEXT rib ribs cut stack together flat surface short pieces spar material notches hold alignment Pin together sand correct outline sand ing block 100-grit sandpaper sanding finished ribs should look like cut bandsaw single block Select four ribs stack slice 1/16 top bottom ribs will go center section wing trimmed make way sheeting covers Slice 1/16 both sides main spar notches ribs accept dihedral braces will strengthen center section joint Cut dihedral braces main spars trailing edge 1/16 plywood metal straightedge utility knife make relatively easy job Cut repetitive light strokes Cut trailing edge sheet firm 1/16 sheet balsa spars leading edge /4 can best stripped metal straightedge sharp model knife Use care hold knife exactly right angle sheet edges strips will true Make jig shown photos cut webs main spar webs 2-15/16 x tep ready go wheels ahead center gravity leading edge wing simplify tail-dragger landings Spreader wire between gear lets bounce down have no sweat just thing Touch-and-Go fun fly Hail view snows steerable tail wheel washer soldered music wire hold wire place against nylon bracket wire extends up through fuselage lower part rudder R rear view showing control surface linkages original mode hinged MonoKote see text instructions engine easily cowled adding balsa bottom sanding shape wish leave off cowl cutting fuselage firewallit wont hurt performance 1/16 BALSA WEBS OUTTO 6ThRIB- 1/16 PLY#OOO BRACE AT SIR -TOPS -BOflCtl FRONT AND REAR 1 1/16 SHEET BALSA CENTER SECTiON OILY PLY BRE AT TE 3/16 SQ BALSA LONGERONS AND FRAMING 3/16 XI/2 BALSA WING SADDLE 1/16 SHEET BALSA TOP AND BOlTOM 1/4 BALSA DORSAL K 1/4 SHEET BALSA 1/4 SQ LEDGE AND RIBSRWDER STABILIZER 1/4 X 1/2 FIN FRAMES NYROD GUIDES 1/4 SHEET BALSA TAB CENTER PLATltlv1 V4 DOWELS I/BBALSA COWLtJG V4 PLY WOOD FIREWALL 15 ENGINE I/4X 1/2 LEDGE-TIP- SR WHEEL ON 1/16 WIRE THRU BRACKET INTO RUDDER 1/B BALSA SHEET SIDES NOSE 10 TTlL 1/16 SHEET TE TOP AND BOTTOM WITH WEBS Co CD CD 2 C CD -i 0 0 I3 1/4 SHEET FORMER SOFT BALSA BLOCKS I/ M WIRE SPREADER F 3 I/B SHEET BALSA FORMER 3/16X 1/2 BALSA SUPPORT FOR SERVO TRAY I/Is PLYWOOD DOUBLER TO flREWALL F-2 I/BPLW4000 FORMER I/BPLYOD DWBLED FOR LG hJNT I/B SHEET BALSA TIPS 1/16 SHEET BALSA RIBS ALL EQUAL N 1/4 X I/2BALSA SPARS TOPAND BOTTOM I/4SQ BALSA L E SPARS TOP AND BOTIOM I/4SQ LEADNG EDGE HARD BALSA 2 1/2 WHEELS ON 3/32 P&JSIC WIRE GEAR 4 trailing edge webs 2-15/16 x 1A Note angle center rib two wing grain vertical longest dimen- panels can joined proper dihedral sion Make dihedral angle gauge card- angle wing now ready assembled board shown plans used set flat building board absolute necessity should 36 long least 12 wide material will hold pins firmly Plywood -in thickness works well Pin plans work board cover 24 Model Aviation make tempiate rrom tfllcK cardboard ue tile toider use tine Cut notches spars first before rest rib helps point marker make printed sheet wing ribs keep splitting wood go Stack ribs together insert two pieces spar stock top bottom hold place Sand stack until ribs smooth simple jig makes short work cutting spar webs Side pieces hold sheet straight metal straightedge cutting surface finished wing kit parts cut sanded shape before beginning construction wing Its easier way Cut dihedral angle gauge cardboard thin plywood see plans use set center ribs proper angle Uevel trailing edge allow top sheeting ut smoothly nnished center joint wing Note dihedral braces place either side main spar top bottom trailing edge September 1981 25 lop trailing edge sheeting place Note fits behind spar cruaning uiu wOd rubberband wing hoId-d.... aud gussets wing tip pieces sand curve dont make contact iron-on covering Build rudder stabilizer over tne plans iover plans clear plastic wrap wax paper prevent gluing parts Wrap medium grade sandpaper around -in dowel sand gussets Cut out boTh tuselage aloes same mIme rin IueLnur e,u u ins pywoou uuuuur servo mounting rails wing mount installed Note wing mount rails trimmed fit over doubler Glue bulkheads fuselage side use triangle assure squareness wax paper plastic dry cleaner bag protect glue Pin bottom trailing edge sheet bottom main spar over plan Pin piece scrap 1/16 balsa shim under two center ribs will hold off board allow room center sheet ing Using dihedral gauge guide trim ends two main spar webs two trailing edge webs dihedral angle Temporarily place some scrap 1/16 balsa both sides main spar center take place di hedral braces install center rib Use dihedral gauge set proper angle Glue top spar bottom trailing edge sheeting Glue trimmed spar webs trailing edge webs place next center rib Add next center section rib glue top main spar well webs trailing edge sheeting Install webs first regular rib dihedral braces extend far top main spar Continue adding ribs webs out tip spar webs extend part way out trailing edge webs go way tip ribs glued place add top main spar sure glue webs 26 Model Aviation Attach Other side bulkheads checking alignment carefully Addsheetingtothetopandbottomofthefuselage Notegraindirection tank held place foam blocks either side sure install fuel lines kink form engine cowl epoxy soft balsa wedges fuselag nose block epoxied place whole front end trimmed sanded shape fit engine installation iw urn ur scrap ooara ror bending soldering landing gear Attacn ianaing gear iegs tne ruseiage wirn straps shown plans FULL-SIZE PLANSAVAILABLE SEE PAGE 140 04 SO FRONTSd OSE ShEa 03/ROOT3/ARTOfl 0*0 ARC OFARMS 0 M4M2 BALSA5505 3/BA SEERS 5 we01650220005 FIX S BALSAMSRN& ARMS80*35 *30 BALSA 00 ROAR LEFT WING PLAN ~0 STFR aS 3/AC EpOS MS VEROCALSOOT 0* EAC 8050 TAR 8800 2 OOEMSAL A-MO 20*5 EAO OF03/SYS FRALOSO FORE FOWE BAFFLER weROAW S OMEARLAR LIPE WOO 001 TO FT MOOT SRAFT IS 500000 TAROrILeiM4FSoMR P50 FlFA 00500 5000 BALSALS 3/53/0MS SO LEAMSC4 BALSA OJABATSLOSH 005103 SIR TO COONESBOC SOlO ARMS ___________________ AL.. -TO CEOSAL OSSACO 0000510 01025 & ROlLS RIGS-SF ______ ______ ______ ______ ______ ______ ______ ______ ______ OARS ARC RB Ma BALSA ________________ ________WCG 03 OTHER SIDES0RasA __________22 REAR THIS TO ooTTOO IWE MS OFUTER RIBS LTC0SELSA 63/0 THBA0SEORE SOSLOSO 53/BALSA *o - _____ _____ -03/LW AWE SOHAR_________we Wa BALSA3/s MAR SlOG ESlBAfONAL ROLES MS 000 Wa4 we MACMS 70010 ewe A00MARS MR*L os SOOT s/raw LAROhA 3/ARBALSA FROST CR0 SOT oo MS31000 oRICELMS0S WE MSBAJ#A ACES MS MS PLO AR TMSOSSI WIRY EFROY H FEooBIEET0*LOoATIoB 000SF 0000FlBATTERY FM SOARLIStRISSAL MO 000 BALSA N 0SA L 05003/S LOOtS 3/AR 505100 03/ WOOF SOROSSOTOO MA RiO SAALOROSSO raw SART VS BALSA BATE50 T 0050 0050SF WIRY 2-8 0505SF {0\ 3ARA% 000000 0000 S-AR ENAREAMA SES*E0S MIO sowEr 005 SE 900500 MS WiSE WE IASE PLO OSIOROOL 006007I WHEEL 00 C r S C s C ST-aREA 555 SEQ 95W0 SW Ut ITRACING ET JOE DEMBRCO well ribs Add top front spar Glue 1/16 x 3/32 trailing edge bottom sheeting back ribs add top trailing edge sheeting time glue has set remove wing half plan add bottom spar leading edge Build other wing half same sequence root tip both sections wing finished use sanding block bevel trailing edge match slope ribs top sheeting will fit smoothly Trim 1/16-in notch trailing edges both center ribs panel accept 1/16 plywood trailing edge brace Remove shims spar notches center ribs insert 1/16 plywood main spar dihedral braces should fit smoothly place both wings Use sanding block sand spars leading edge trailing edges both wings match angle center rib Place panel flat bench elevate other panel five inches tip two panels should fit together perfectly Join two panels dihedral braces main spars trailing edges Clothespins provide good gluing pressure spar braces handy holling things alignment until glue sets Before everything sets check alignment panel flat bench other tip five inches above board main spar tip well trailing edge tip Glue top trailing edge sheet place add gussets atthe centerandtipribs Sheetthe top bottom center section Note sheeting goes between spars Cut tips soft t glue place gussets spar locations scrap wood leading trailing edges Dress leading edge tips 100-grit sandpaper sanding block up trailing edge Sand complete wing fine sandpaper epoxy 1/16-in music wire center wing now ready cover fuselage fuselage sides cut two sheets a 6 wide 36 long sheets can made edgeContinued page 107 Low flyby shows off pert little bird its best advantage Tail-draggers have charm sf0 tneres OflO less llflK8C wnen dont have steerable nosewheel Add hands-off stability solid construction youll see like Onestep training purposes September 1981 27 w -I MAR INTRODUCING TRIC LINE CONTROL MODELS B [ ELECTROLINE MODELS FUN PO BOX 25030 SAFE BEVERLY HILLS CA 90213 SEND FOR FREE INFORMATION ON MODEL KITS AND ACCESSORIES QUIET CLEAN EASY TO FLY FAST ASSEMBLY FLYS 15-20 MIN LOW COST Onestep/Randoiph Continued page 27 glueing 3-in stock form wider sheets cant find size Trace side view fuselage onto sheets Hold both sheets together masking tape cut both fuselage sides same time Use fuselage sides template cut 1/16 plywood doublers sheet 6 x 12 ply should provide both doublers sharp knife should cut 1/16 plywood ease Epoxy doublers place fuselage sides left right Epoxy has less tendency warp sides Glue longer ons uprights overlap doublers trim away 1/16 will fit smoothly over glue has cured place two sides back-to-back plywood-longeron sides out sand edges both until same Cut firewall Fl A-in plywood Cut bulkhead F2 Vs-in plywood Build up balsa bulkhead F3 -in stock Mark drill holes firewall engine mount fuel overflow lines throttle line Install blind nuts aft side receive engine mount bolts Epoxy place Glue fuselage bulkheads F2 F3 position sides Use triangle align right angles side glue has set glue other side directly over first Bevel inside longerons tail fit together both sides joined glue Use straightedge across stab cutout squareness Bring sides together firewall epoxy place plywood doubler Sight down fuselage check alignment Glue 3-in piece 1/16 balsa grain running across fuselage just front stab cutout top fuselage Install outer Nyrods elevator rudder Use epoxy microballoons Install rest top bottom sheeting aft F3 top sheeting just aft bulkhead filled scrap wood trimmed sanded conform dihedral angle wing Install Vs balsa floor under tank location spread epoxy tank area protect fuel spilL Install Nyrod firewall cabin area throttle line Continued nrnp 112 SImply screw el. engine mount nd lank bracket work bench tool boa bolt ejipine ready run minutes Includes Cast Aluminum Engine Mount 4 oz Polyethylene Tank Tubes Fittings Tank Mounting Bracket Mounting Screws Nuts Bolts inin inmmm m m q ENGINE TEST STAND I only 1395 IU I1 II II II GUARANTEED strangest ru ed engine test stand available Fully adjustagyefor ii engines V2A Ia 80 displacement eptemoerii 1w 5 4 ddlO Williams DlOT5 jon moxners isne ausnors granason just before Jons first flight Onestep perfect trainerit wont spiral dive Eddie cuacnas JOEl nrougn nis yirsi Takeoff Onestep raises Its tail GIANT SCALE -1 QUARTER SCALEi &_ 3 iFOOTI SY POPULAR DEMAND SPANDAU & VICKEES PLASTIC GUN KITS STANDARD PILOT COMPLETE WITH GOGGLES GNOME ROTARY ENGINE CYLINDERS VINTAGE GOLDEN AGE ARALLOON TIRE WHEELS Send $1 lilustrated Catalog WILLIAMSBROTHERS INC IIlU025 Dept MA 181 Pawnee Street Marcos Calif 92069 ALL NEW FROM PICA EIP 1059 oz five minute epoxy difference sandable epoxy available Compatible resin coating has new flip-top cap Industrial Strength 100% uncut resin FOR THE NEWCOMER Its super stable gentle faster building versatile Extended Wing version SPECIFICATIONS Fuselage 44V2 inches Extended Wing VersionWeight 4-4V2 pounds Wing Span 54 area 615 sq inches Engine 25-40 Wing Span 50 area 565 sq inches GLUIT H/P 601 12 oz heavy duty aliphatic white glue especially formulated modelers Its sandable fast drying truly heavy duty Its great hardwood plywood fiber materials subject high stress torque 557 N 6 188rn S M am Fl0 33180 TeeQnoae 935 1436 CANTON MODEL PRODUCTS Presents Dip Stick FAST QUICK EASY TO FINISH DS 40 55 SPAN 560 SQ IN WING LOADING 165-20 OZ 29-45 ENGINE 43 LENGTH 3 OR 4 CHANNEL PRICE 4995 ADD 4 SHIPPING CHARGE DS 60 64 SPAN 672 SQ IN WING LOADING 20-22 OZ 46-60 ENGINE 48 LENGTH 3 OR 4 CHANNEL PRICE 5995 EXTREMELYADD 6 SHIPPING RUGGED TRAINER CHARGE WITH SYMMETRICAL AIRFOIL FOR AEROBATIC FLYING HIGHLY PRE-FABRICATED KIT INCLUDES PRE-SHEETED BALSA FOAM WING5 PRE-BUILT JIG ASSEMBLED WOOD FUSELAGE PRE-SHAPED BALSA TAIL ASSEMBLY PRE-FORMED LANDING GEAR TAIL WHEEL AND AILERON WIRES INSTRUCTION SHEET WITH FULLY ILLUSTRATED ASSEMBLY DRAWINGS TO ORDER SEND BANK CHECK OR MONEY ORDER TO CANTON MODEL PRODuCTS PO BOX 6063 CANTON OHIO 44706 OR CALL 12161 4541535 FOR IMMEDIATE COD SHIPMENT Glue -in copper tube fuel overflow lines through firewalL Cut wedges foam fit betwen tank fuselage sides glue place tank should snug fit between foam firewall bulkhead F2 Connect fuel overflow lines tank firewall tubes complete top sheeting firewall wing mount Put wedge foam over tank during sheeting hold firmly place fuselage sides can cut off front firewall fully exposed engine desired Little no difference flying will noted cowl desired cut wedges soft balsa epoxy bottom fuselage sides front firewall glue has set use sanding block sand wedges flush sides sheet bottom soft a sheet front cowl firewalL Temporarily install engine mount engine firewall Slip 2-in paper disk shaft trace around soft pencil mark its location front cowl Cut semi-circle -in soft balsa 2 in diameter Epoxy nose block location marked front cowl glue has set mount 2-in spinner engine coarse sandpaper sand cowl front conform spinner Trim cowl sides clear muffler give access needle valve lines fuel throttle Sand cowl sides smoothly spinner Make sandwich ood landing gear mount shown plans Glue place complete bottom sheeting 1/16 balsa aft landing gear mount tail Build stab rudder right over plansjust wing assembled forget 1/32 plywood doubler adds little weight much strength movable parts cut very soft wood sanded conform outline mating surfaces will hinged place covering applied Sand complete airframe fine sandpaper airplane ready cover Covering covering can commercially available iron-on coverings Follow instructions come covering covering fuselage bottom should covered first sides finally top Overlap covering engine area paint firewall inside cowl seams around cowl matching epoxy paint glue seal areas fueL pinstripes between trim areas sliced black film ironed place seems stay place better trim tapes landing gear Scribe two parallel lines 2 apart piece scrap board will jig assembling gear Bend two landing gear legs 3/32-in music wire Attach legs across other along lines jig board clips screws just will mounted fuselage Bend spreader 1/16-in music wire Bind joints formed two legs spreader side soft copper wire solder Slip piece -in brass tube over axle solder washer tubing axles Slip wheels axles hold place -in collars Check align ment solder epoxy clips legs remove jig board Hold gear place fuselage mark location screw holes gear mount Drill 1/16-in holes spots install gear Trim covering away top fuselage fin will attached center section stab goes through fuselage Hinge elevator stab epoxy fin stab place Bend tail gear 1/16-in music wire top part goes rudder bent until after gear mounted Solder washer place shown Screw epoxy gear mount place Mount wheel Slide gear through mount fuselage stab bend arm epoxy place rudder hinged fin wheel should move rudder line Completion Attach engine mount firewall mount engine Install radio gear wrapping battery pack foam sealing plastic hag slide up under tank shown plans Mount servos plywood tray Move servos receiver forward backward cabin until airplane balances location shown Glue servo tray place rails Wrap receiver foam hold place Install rudder elevator horns locations shown connect servos Nyrods threaded studs devises surfaces should neutral throttle line florist wire run through guide Z-bend attaching throttle arm well servo Bend -in U-shape line between firewall throttle arm adjustment strain relief Epoxy A-in dowel wing hold-downs place airplane ready fly Continued page 116 112 Model Aviation Flying As new installations range check radioand check movement direc tion surfaces engine running everything working perfectly its time test flight trim flight prefer call Onestep handles very well ground As conventional-gear airplanes downwind turns difficult Tracking takeoff excel lent wind lift-off rather rapid cause light wing loading ready 15 full throttle climb-out about 450 angle ground Half throttle provides best cruise outermost holes rudder elevator horns used control response quite gentle classic vertical spiral dive must done deliberately holding down elevator Landings quite slow application back stick increasing throw control sur faces rolls snaps may done Inverted flight possible requires lots forward stick As well being solid stable trainer Onestep will hold its own fun flys can bounced precision landings will loop very tightly need can carry its own weight payload model good first step Schneider Races/Berliner Continued page 35 obviously-faster Passaleva 551 took off just after Biard finished lap expecting blast Englishman Out race soaking Savoia received capsized trials affected glue its propeller wooden laminations began separate Passaleva forced throttle back keep vibration manage able leveL prop somehow hung together 1 hours finished almost two minutes behind winner Biard other Italians well back Biard averaged record 1457 mph Passaleva 1426 mph Zanetti 133 mph Corgnolino 124 mph progress stimulated increasingly com petitive prestigious Schneider Trophy pushed four finishers speeds higher existing record set just year before next racethe seventh series would held Cowes England autumn 1923 would see first serious entry United States end era standard modified produc tion seaplanes would dominate Schneider would race racing aircraft would also second half story would stick memories aviation enthusiasts throughout world because races brought spotlight some exciting pure-speed aircraft would ever seen RC AerobaticsNan Putte Continued page 37 maintain Knife-Edge airplane rolled 900 clockwise didnt happen Surprisingly bit right rudder required last point Four-Point Roll before Does pipe cause fuel consumed Definitely Supertigre G-60 used burn about 10 oz fuel complete Expert class Pattern flight now goes through about 14 oz computes about nine Pattern flights per gallon fuel Its good thing make own fuel bottom line dont like looks fuel consumption piped engine like way makes Expert pattern easier well still dont think benefits warrant use tuned pipe Novice Advanced classes flying field yesterday asked advice experienced flier problem easy solve began wonder werent few experienced fliers out same difficulty mention beginners RC flying What prob lem couldnt keep airplane bounc ing unless performed perfect landing two things wrong landing gear setup either would have caused bouncy landings First airplane sat nose-high landing gear type setup guarantees difficulty landings because wing positive angle attack lift will generated long airplane moving means airplane will attempt take off again its landed hot higher angle airplane sits slower speed will try take off again best way eliminate problem set up airplane fuselage sits parallel runway slightly nose-down nose slightly down lift killed airplane rotates onto nose gear model tends stick runway However excessive nose-down attitude will cause airplane impossible take off smoothly since will difficult rotate nose up until model moving very fast airplane looks like hound scent landings may easy takeoffs will very abrupt second problem flier angled main gear struts back because liked look way Unfortunately gear struts angled hack airplane tends squat landing cause vertical load landing causes strut bend further back up nose gear doesnt same Continued page 118 * 30% STAND OFF SCALE SIZE * 92 WINGSPAN SO IN * WEIGHT 15 21 LBS * FiBERGLAS COWL LFANTS * GuADRA ENGINE * AVAILABLE NOW *PRICE6dOrI95 1/4 Scale d War K #RCQS-7 Plan Set $2495 80A Wingspan 24 Cu Engines Wgt 10% lbs wia radio 3-5 Channels R/C FOKKER TRIPLANE DR-i IIRCQS-e Plan Set $2495 70 Span maneuverable flys limited ares tie ds Prices tor Complete Plans Sub Assembly ano Detailed Parts Lists Add $200 Mailing Tube Send BroChure Details new designs & great thin9s come Send $100 retundable tor information 5 6 Model AVIaTIon THE WORLDS FIRST ADJUSTABLE HAND SANDEREXTRA HANDS THE DUPLICATOR MKI IPat PendingModel Aircraft Covering Tool Just duplicator does followingModel No 36 Pat No 33867271 Creates accurate 180 round patterns last breakthrough hit Toledo edges wings 118 fhru 112in make covering easyMacs Dallas stabs rudders,# 1116 incruments fast novicePasadena shows fuselage etc luded tool ert Duplicates roundsAC Make own Works types angles up 1 v I/ number sizes monokote order direcl $1995 semi-rounds curve patterns intinite covering material . dealer deep 34 oz fiberglass plus $200 shipping dealer order direct $1995 plus $200 shippingGREAT TIME SAVERS INVENTED BY AVID MODELER TO MAKE BUILDING EVEN MORE ENJOYABLE Once add foot cottection N J LIND COMPANY youtt wonder got atong them2912 Walker Lee Alamitos CA 90720Distributors inquiries incited U U 1or Outstanding Big Scale Aerobatics r Ohio S SSm 66I0-S6. 0
Edition: Model Aviation - 1981/09
Page Numbers: 20, 21, 22, 23, 24, 25, 26, 27, 107, 112, 116
NO OCR TEXT NO OCR TEXT rib ribs cut stack together flat surface short pieces spar material notches hold alignment Pin together sand correct outline sand ing block 100-grit sandpaper sanding finished ribs should look like cut bandsaw single block Select four ribs stack slice 1/16 top bottom ribs will go center section wing trimmed make way sheeting covers Slice 1/16 both sides main spar notches ribs accept dihedral braces will strengthen center section joint Cut dihedral braces main spars trailing edge 1/16 plywood metal straightedge utility knife make relatively easy job Cut repetitive light strokes Cut trailing edge sheet firm 1/16 sheet balsa spars leading edge /4 can best stripped metal straightedge sharp model knife Use care hold knife exactly right angle sheet edges strips will true Make jig shown photos cut webs main spar webs 2-15/16 x tep ready go wheels ahead center gravity leading edge wing simplify tail-dragger landings Spreader wire between gear lets bounce down have no sweat just thing Touch-and-Go fun fly Hail view snows steerable tail wheel washer soldered music wire hold wire place against nylon bracket wire extends up through fuselage lower part rudder R rear view showing control surface linkages original mode hinged MonoKote see text instructions engine easily cowled adding balsa bottom sanding shape wish leave off cowl cutting fuselage firewallit wont hurt performance 1/16 BALSA WEBS OUTTO 6ThRIB- 1/16 PLY#OOO BRACE AT SIR -TOPS -BOflCtl FRONT AND REAR 1 1/16 SHEET BALSA CENTER SECTiON OILY PLY BRE AT TE 3/16 SQ BALSA LONGERONS AND FRAMING 3/16 XI/2 BALSA WING SADDLE 1/16 SHEET BALSA TOP AND BOlTOM 1/4 BALSA DORSAL K 1/4 SHEET BALSA 1/4 SQ LEDGE AND RIBSRWDER STABILIZER 1/4 X 1/2 FIN FRAMES NYROD GUIDES 1/4 SHEET BALSA TAB CENTER PLATltlv1 V4 DOWELS I/BBALSA COWLtJG V4 PLY WOOD FIREWALL 15 ENGINE I/4X 1/2 LEDGE-TIP- SR WHEEL ON 1/16 WIRE THRU BRACKET INTO RUDDER 1/B BALSA SHEET SIDES NOSE 10 TTlL 1/16 SHEET TE TOP AND BOTTOM WITH WEBS Co CD CD 2 C CD -i 0 0 I3 1/4 SHEET FORMER SOFT BALSA BLOCKS I/ M WIRE SPREADER F 3 I/B SHEET BALSA FORMER 3/16X 1/2 BALSA SUPPORT FOR SERVO TRAY I/Is PLYWOOD DOUBLER TO flREWALL F-2 I/BPLW4000 FORMER I/BPLYOD DWBLED FOR LG hJNT I/B SHEET BALSA TIPS 1/16 SHEET BALSA RIBS ALL EQUAL N 1/4 X I/2BALSA SPARS TOPAND BOTTOM I/4SQ BALSA L E SPARS TOP AND BOTIOM I/4SQ LEADNG EDGE HARD BALSA 2 1/2 WHEELS ON 3/32 P&JSIC WIRE GEAR 4 trailing edge webs 2-15/16 x 1A Note angle center rib two wing grain vertical longest dimen- panels can joined proper dihedral sion Make dihedral angle gauge card- angle wing now ready assembled board shown plans used set flat building board absolute necessity should 36 long least 12 wide material will hold pins firmly Plywood -in thickness works well Pin plans work board cover 24 Model Aviation make tempiate rrom tfllcK cardboard ue tile toider use tine Cut notches spars first before rest rib helps point marker make printed sheet wing ribs keep splitting wood go Stack ribs together insert two pieces spar stock top bottom hold place Sand stack until ribs smooth simple jig makes short work cutting spar webs Side pieces hold sheet straight metal straightedge cutting surface finished wing kit parts cut sanded shape before beginning construction wing Its easier way Cut dihedral angle gauge cardboard thin plywood see plans use set center ribs proper angle Uevel trailing edge allow top sheeting ut smoothly nnished center joint wing Note dihedral braces place either side main spar top bottom trailing edge September 1981 25 lop trailing edge sheeting place Note fits behind spar cruaning uiu wOd rubberband wing hoId-d.... aud gussets wing tip pieces sand curve dont make contact iron-on covering Build rudder stabilizer over tne plans iover plans clear plastic wrap wax paper prevent gluing parts Wrap medium grade sandpaper around -in dowel sand gussets Cut out boTh tuselage aloes same mIme rin IueLnur e,u u ins pywoou uuuuur servo mounting rails wing mount installed Note wing mount rails trimmed fit over doubler Glue bulkheads fuselage side use triangle assure squareness wax paper plastic dry cleaner bag protect glue Pin bottom trailing edge sheet bottom main spar over plan Pin piece scrap 1/16 balsa shim under two center ribs will hold off board allow room center sheet ing Using dihedral gauge guide trim ends two main spar webs two trailing edge webs dihedral angle Temporarily place some scrap 1/16 balsa both sides main spar center take place di hedral braces install center rib Use dihedral gauge set proper angle Glue top spar bottom trailing edge sheeting Glue trimmed spar webs trailing edge webs place next center rib Add next center section rib glue top main spar well webs trailing edge sheeting Install webs first regular rib dihedral braces extend far top main spar Continue adding ribs webs out tip spar webs extend part way out trailing edge webs go way tip ribs glued place add top main spar sure glue webs 26 Model Aviation Attach Other side bulkheads checking alignment carefully Addsheetingtothetopandbottomofthefuselage Notegraindirection tank held place foam blocks either side sure install fuel lines kink form engine cowl epoxy soft balsa wedges fuselag nose block epoxied place whole front end trimmed sanded shape fit engine installation iw urn ur scrap ooara ror bending soldering landing gear Attacn ianaing gear iegs tne ruseiage wirn straps shown plans FULL-SIZE PLANSAVAILABLE SEE PAGE 140 04 SO FRONTSd OSE ShEa 03/ROOT3/ARTOfl 0*0 ARC OFARMS 0 M4M2 BALSA5505 3/BA SEERS 5 we01650220005 FIX S BALSAMSRN& ARMS80*35 *30 BALSA 00 ROAR LEFT WING PLAN ~0 STFR aS 3/AC EpOS MS VEROCALSOOT 0* EAC 8050 TAR 8800 2 OOEMSAL A-MO 20*5 EAO OF03/SYS FRALOSO FORE FOWE BAFFLER weROAW S OMEARLAR LIPE WOO 001 TO FT MOOT SRAFT IS 500000 TAROrILeiM4FSoMR P50 FlFA 00500 5000 BALSALS 3/53/0MS SO LEAMSC4 BALSA OJABATSLOSH 005103 SIR TO COONESBOC SOlO ARMS ___________________ AL.. -TO CEOSAL OSSACO 0000510 01025 & ROlLS RIGS-SF ______ ______ ______ ______ ______ ______ ______ ______ ______ OARS ARC RB Ma BALSA ________________ ________WCG 03 OTHER SIDES0RasA __________22 REAR THIS TO ooTTOO IWE MS OFUTER RIBS LTC0SELSA 63/0 THBA0SEORE SOSLOSO 53/BALSA *o - _____ _____ -03/LW AWE SOHAR_________we Wa BALSA3/s MAR SlOG ESlBAfONAL ROLES MS 000 Wa4 we MACMS 70010 ewe A00MARS MR*L os SOOT s/raw LAROhA 3/ARBALSA FROST CR0 SOT oo MS31000 oRICELMS0S WE MSBAJ#A ACES MS MS PLO AR TMSOSSI WIRY EFROY H FEooBIEET0*LOoATIoB 000SF 0000FlBATTERY FM SOARLIStRISSAL MO 000 BALSA N 0SA L 05003/S LOOtS 3/AR 505100 03/ WOOF SOROSSOTOO MA RiO SAALOROSSO raw SART VS BALSA BATE50 T 0050 0050SF WIRY 2-8 0505SF {0\ 3ARA% 000000 0000 S-AR ENAREAMA SES*E0S MIO sowEr 005 SE 900500 MS WiSE WE IASE PLO OSIOROOL 006007I WHEEL 00 C r S C s C ST-aREA 555 SEQ 95W0 SW Ut ITRACING ET JOE DEMBRCO well ribs Add top front spar Glue 1/16 x 3/32 trailing edge bottom sheeting back ribs add top trailing edge sheeting time glue has set remove wing half plan add bottom spar leading edge Build other wing half same sequence root tip both sections wing finished use sanding block bevel trailing edge match slope ribs top sheeting will fit smoothly Trim 1/16-in notch trailing edges both center ribs panel accept 1/16 plywood trailing edge brace Remove shims spar notches center ribs insert 1/16 plywood main spar dihedral braces should fit smoothly place both wings Use sanding block sand spars leading edge trailing edges both wings match angle center rib Place panel flat bench elevate other panel five inches tip two panels should fit together perfectly Join two panels dihedral braces main spars trailing edges Clothespins provide good gluing pressure spar braces handy holling things alignment until glue sets Before everything sets check alignment panel flat bench other tip five inches above board main spar tip well trailing edge tip Glue top trailing edge sheet place add gussets atthe centerandtipribs Sheetthe top bottom center section Note sheeting goes between spars Cut tips soft t glue place gussets spar locations scrap wood leading trailing edges Dress leading edge tips 100-grit sandpaper sanding block up trailing edge Sand complete wing fine sandpaper epoxy 1/16-in music wire center wing now ready cover fuselage fuselage sides cut two sheets a 6 wide 36 long sheets can made edgeContinued page 107 Low flyby shows off pert little bird its best advantage Tail-draggers have charm sf0 tneres OflO less llflK8C wnen dont have steerable nosewheel Add hands-off stability solid construction youll see like Onestep training purposes September 1981 27 w -I MAR INTRODUCING TRIC LINE CONTROL MODELS B [ ELECTROLINE MODELS FUN PO BOX 25030 SAFE BEVERLY HILLS CA 90213 SEND FOR FREE INFORMATION ON MODEL KITS AND ACCESSORIES QUIET CLEAN EASY TO FLY FAST ASSEMBLY FLYS 15-20 MIN LOW COST Onestep/Randoiph Continued page 27 glueing 3-in stock form wider sheets cant find size Trace side view fuselage onto sheets Hold both sheets together masking tape cut both fuselage sides same time Use fuselage sides template cut 1/16 plywood doublers sheet 6 x 12 ply should provide both doublers sharp knife should cut 1/16 plywood ease Epoxy doublers place fuselage sides left right Epoxy has less tendency warp sides Glue longer ons uprights overlap doublers trim away 1/16 will fit smoothly over glue has cured place two sides back-to-back plywood-longeron sides out sand edges both until same Cut firewall Fl A-in plywood Cut bulkhead F2 Vs-in plywood Build up balsa bulkhead F3 -in stock Mark drill holes firewall engine mount fuel overflow lines throttle line Install blind nuts aft side receive engine mount bolts Epoxy place Glue fuselage bulkheads F2 F3 position sides Use triangle align right angles side glue has set glue other side directly over first Bevel inside longerons tail fit together both sides joined glue Use straightedge across stab cutout squareness Bring sides together firewall epoxy place plywood doubler Sight down fuselage check alignment Glue 3-in piece 1/16 balsa grain running across fuselage just front stab cutout top fuselage Install outer Nyrods elevator rudder Use epoxy microballoons Install rest top bottom sheeting aft F3 top sheeting just aft bulkhead filled scrap wood trimmed sanded conform dihedral angle wing Install Vs balsa floor under tank location spread epoxy tank area protect fuel spilL Install Nyrod firewall cabin area throttle line Continued nrnp 112 SImply screw el. engine mount nd lank bracket work bench tool boa bolt ejipine ready run minutes Includes Cast Aluminum Engine Mount 4 oz Polyethylene Tank Tubes Fittings Tank Mounting Bracket Mounting Screws Nuts Bolts inin inmmm m m q ENGINE TEST STAND I only 1395 IU I1 II II II GUARANTEED strangest ru ed engine test stand available Fully adjustagyefor ii engines V2A Ia 80 displacement eptemoerii 1w 5 4 ddlO Williams DlOT5 jon moxners isne ausnors granason just before Jons first flight Onestep perfect trainerit wont spiral dive Eddie cuacnas JOEl nrougn nis yirsi Takeoff Onestep raises Its tail GIANT SCALE -1 QUARTER SCALEi &_ 3 iFOOTI SY POPULAR DEMAND SPANDAU & VICKEES PLASTIC GUN KITS STANDARD PILOT COMPLETE WITH GOGGLES GNOME ROTARY ENGINE CYLINDERS VINTAGE GOLDEN AGE ARALLOON TIRE WHEELS Send $1 lilustrated Catalog WILLIAMSBROTHERS INC IIlU025 Dept MA 181 Pawnee Street Marcos Calif 92069 ALL NEW FROM PICA EIP 1059 oz five minute epoxy difference sandable epoxy available Compatible resin coating has new flip-top cap Industrial Strength 100% uncut resin FOR THE NEWCOMER Its super stable gentle faster building versatile Extended Wing version SPECIFICATIONS Fuselage 44V2 inches Extended Wing VersionWeight 4-4V2 pounds Wing Span 54 area 615 sq inches Engine 25-40 Wing Span 50 area 565 sq inches GLUIT H/P 601 12 oz heavy duty aliphatic white glue especially formulated modelers Its sandable fast drying truly heavy duty Its great hardwood plywood fiber materials subject high stress torque 557 N 6 188rn S M am Fl0 33180 TeeQnoae 935 1436 CANTON MODEL PRODUCTS Presents Dip Stick FAST QUICK EASY TO FINISH DS 40 55 SPAN 560 SQ IN WING LOADING 165-20 OZ 29-45 ENGINE 43 LENGTH 3 OR 4 CHANNEL PRICE 4995 ADD 4 SHIPPING CHARGE DS 60 64 SPAN 672 SQ IN WING LOADING 20-22 OZ 46-60 ENGINE 48 LENGTH 3 OR 4 CHANNEL PRICE 5995 EXTREMELYADD 6 SHIPPING RUGGED TRAINER CHARGE WITH SYMMETRICAL AIRFOIL FOR AEROBATIC FLYING HIGHLY PRE-FABRICATED KIT INCLUDES PRE-SHEETED BALSA FOAM WING5 PRE-BUILT JIG ASSEMBLED WOOD FUSELAGE PRE-SHAPED BALSA TAIL ASSEMBLY PRE-FORMED LANDING GEAR TAIL WHEEL AND AILERON WIRES INSTRUCTION SHEET WITH FULLY ILLUSTRATED ASSEMBLY DRAWINGS TO ORDER SEND BANK CHECK OR MONEY ORDER TO CANTON MODEL PRODuCTS PO BOX 6063 CANTON OHIO 44706 OR CALL 12161 4541535 FOR IMMEDIATE COD SHIPMENT Glue -in copper tube fuel overflow lines through firewalL Cut wedges foam fit betwen tank fuselage sides glue place tank should snug fit between foam firewall bulkhead F2 Connect fuel overflow lines tank firewall tubes complete top sheeting firewall wing mount Put wedge foam over tank during sheeting hold firmly place fuselage sides can cut off front firewall fully exposed engine desired Little no difference flying will noted cowl desired cut wedges soft balsa epoxy bottom fuselage sides front firewall glue has set use sanding block sand wedges flush sides sheet bottom soft a sheet front cowl firewalL Temporarily install engine mount engine firewall Slip 2-in paper disk shaft trace around soft pencil mark its location front cowl Cut semi-circle -in soft balsa 2 in diameter Epoxy nose block location marked front cowl glue has set mount 2-in spinner engine coarse sandpaper sand cowl front conform spinner Trim cowl sides clear muffler give access needle valve lines fuel throttle Sand cowl sides smoothly spinner Make sandwich ood landing gear mount shown plans Glue place complete bottom sheeting 1/16 balsa aft landing gear mount tail Build stab rudder right over plansjust wing assembled forget 1/32 plywood doubler adds little weight much strength movable parts cut very soft wood sanded conform outline mating surfaces will hinged place covering applied Sand complete airframe fine sandpaper airplane ready cover Covering covering can commercially available iron-on coverings Follow instructions come covering covering fuselage bottom should covered first sides finally top Overlap covering engine area paint firewall inside cowl seams around cowl matching epoxy paint glue seal areas fueL pinstripes between trim areas sliced black film ironed place seems stay place better trim tapes landing gear Scribe two parallel lines 2 apart piece scrap board will jig assembling gear Bend two landing gear legs 3/32-in music wire Attach legs across other along lines jig board clips screws just will mounted fuselage Bend spreader 1/16-in music wire Bind joints formed two legs spreader side soft copper wire solder Slip piece -in brass tube over axle solder washer tubing axles Slip wheels axles hold place -in collars Check align ment solder epoxy clips legs remove jig board Hold gear place fuselage mark location screw holes gear mount Drill 1/16-in holes spots install gear Trim covering away top fuselage fin will attached center section stab goes through fuselage Hinge elevator stab epoxy fin stab place Bend tail gear 1/16-in music wire top part goes rudder bent until after gear mounted Solder washer place shown Screw epoxy gear mount place Mount wheel Slide gear through mount fuselage stab bend arm epoxy place rudder hinged fin wheel should move rudder line Completion Attach engine mount firewall mount engine Install radio gear wrapping battery pack foam sealing plastic hag slide up under tank shown plans Mount servos plywood tray Move servos receiver forward backward cabin until airplane balances location shown Glue servo tray place rails Wrap receiver foam hold place Install rudder elevator horns locations shown connect servos Nyrods threaded studs devises surfaces should neutral throttle line florist wire run through guide Z-bend attaching throttle arm well servo Bend -in U-shape line between firewall throttle arm adjustment strain relief Epoxy A-in dowel wing hold-downs place airplane ready fly Continued page 116 112 Model Aviation Flying As new installations range check radioand check movement direc tion surfaces engine running everything working perfectly its time test flight trim flight prefer call Onestep handles very well ground As conventional-gear airplanes downwind turns difficult Tracking takeoff excel lent wind lift-off rather rapid cause light wing loading ready 15 full throttle climb-out about 450 angle ground Half throttle provides best cruise outermost holes rudder elevator horns used control response quite gentle classic vertical spiral dive must done deliberately holding down elevator Landings quite slow application back stick increasing throw control sur faces rolls snaps may done Inverted flight possible requires lots forward stick As well being solid stable trainer Onestep will hold its own fun flys can bounced precision landings will loop very tightly need can carry its own weight payload model good first step Schneider Races/Berliner Continued page 35 obviously-faster Passaleva 551 took off just after Biard finished lap expecting blast Englishman Out race soaking Savoia received capsized trials affected glue its propeller wooden laminations began separate Passaleva forced throttle back keep vibration manage able leveL prop somehow hung together 1 hours finished almost two minutes behind winner Biard other Italians well back Biard averaged record 1457 mph Passaleva 1426 mph Zanetti 133 mph Corgnolino 124 mph progress stimulated increasingly com petitive prestigious Schneider Trophy pushed four finishers speeds higher existing record set just year before next racethe seventh series would held Cowes England autumn 1923 would see first serious entry United States end era standard modified produc tion seaplanes would dominate Schneider would race racing aircraft would also second half story would stick memories aviation enthusiasts throughout world because races brought spotlight some exciting pure-speed aircraft would ever seen RC AerobaticsNan Putte Continued page 37 maintain Knife-Edge airplane rolled 900 clockwise didnt happen Surprisingly bit right rudder required last point Four-Point Roll before Does pipe cause fuel consumed Definitely Supertigre G-60 used burn about 10 oz fuel complete Expert class Pattern flight now goes through about 14 oz computes about nine Pattern flights per gallon fuel Its good thing make own fuel bottom line dont like looks fuel consumption piped engine like way makes Expert pattern easier well still dont think benefits warrant use tuned pipe Novice Advanced classes flying field yesterday asked advice experienced flier problem easy solve began wonder werent few experienced fliers out same difficulty mention beginners RC flying What prob lem couldnt keep airplane bounc ing unless performed perfect landing two things wrong landing gear setup either would have caused bouncy landings First airplane sat nose-high landing gear type setup guarantees difficulty landings because wing positive angle attack lift will generated long airplane moving means airplane will attempt take off again its landed hot higher angle airplane sits slower speed will try take off again best way eliminate problem set up airplane fuselage sits parallel runway slightly nose-down nose slightly down lift killed airplane rotates onto nose gear model tends stick runway However excessive nose-down attitude will cause airplane impossible take off smoothly since will difficult rotate nose up until model moving very fast airplane looks like hound scent landings may easy takeoffs will very abrupt second problem flier angled main gear struts back because liked look way Unfortunately gear struts angled hack airplane tends squat landing cause vertical load landing causes strut bend further back up nose gear doesnt same Continued page 118 * 30% STAND OFF SCALE SIZE * 92 WINGSPAN SO IN * WEIGHT 15 21 LBS * FiBERGLAS COWL LFANTS * GuADRA ENGINE * AVAILABLE NOW *PRICE6dOrI95 1/4 Scale d War K #RCQS-7 Plan Set $2495 80A Wingspan 24 Cu Engines Wgt 10% lbs wia radio 3-5 Channels R/C FOKKER TRIPLANE DR-i IIRCQS-e Plan Set $2495 70 Span maneuverable flys limited ares tie ds Prices tor Complete Plans Sub Assembly ano Detailed Parts Lists Add $200 Mailing Tube Send BroChure Details new designs & great thin9s come Send $100 retundable tor information 5 6 Model AVIaTIon THE WORLDS FIRST ADJUSTABLE HAND SANDEREXTRA HANDS THE DUPLICATOR MKI IPat PendingModel Aircraft Covering Tool Just duplicator does followingModel No 36 Pat No 33867271 Creates accurate 180 round patterns last breakthrough hit Toledo edges wings 118 fhru 112in make covering easyMacs Dallas stabs rudders,# 1116 incruments fast novicePasadena shows fuselage etc luded tool ert Duplicates roundsAC Make own Works types angles up 1 v I/ number sizes monokote order direcl $1995 semi-rounds curve patterns intinite covering material . dealer deep 34 oz fiberglass plus $200 shipping dealer order direct $1995 plus $200 shippingGREAT TIME SAVERS INVENTED BY AVID MODELER TO MAKE BUILDING EVEN MORE ENJOYABLE Once add foot cottection N J LIND COMPANY youtt wonder got atong them2912 Walker Lee Alamitos CA 90720Distributors inquiries incited U U 1or Outstanding Big Scale Aerobatics r Ohio S SSm 66I0-S6. 0
Edition: Model Aviation - 1981/09
Page Numbers: 20, 21, 22, 23, 24, 25, 26, 27, 107, 112, 116
NO OCR TEXT NO OCR TEXT rib ribs cut stack together flat surface short pieces spar material notches hold alignment Pin together sand correct outline sand ing block 100-grit sandpaper sanding finished ribs should look like cut bandsaw single block Select four ribs stack slice 1/16 top bottom ribs will go center section wing trimmed make way sheeting covers Slice 1/16 both sides main spar notches ribs accept dihedral braces will strengthen center section joint Cut dihedral braces main spars trailing edge 1/16 plywood metal straightedge utility knife make relatively easy job Cut repetitive light strokes Cut trailing edge sheet firm 1/16 sheet balsa spars leading edge /4 can best stripped metal straightedge sharp model knife Use care hold knife exactly right angle sheet edges strips will true Make jig shown photos cut webs main spar webs 2-15/16 x tep ready go wheels ahead center gravity leading edge wing simplify tail-dragger landings Spreader wire between gear lets bounce down have no sweat just thing Touch-and-Go fun fly Hail view snows steerable tail wheel washer soldered music wire hold wire place against nylon bracket wire extends up through fuselage lower part rudder R rear view showing control surface linkages original mode hinged MonoKote see text instructions engine easily cowled adding balsa bottom sanding shape wish leave off cowl cutting fuselage firewallit wont hurt performance 1/16 BALSA WEBS OUTTO 6ThRIB- 1/16 PLY#OOO BRACE AT SIR -TOPS -BOflCtl FRONT AND REAR 1 1/16 SHEET BALSA CENTER SECTiON OILY PLY BRE AT TE 3/16 SQ BALSA LONGERONS AND FRAMING 3/16 XI/2 BALSA WING SADDLE 1/16 SHEET BALSA TOP AND BOlTOM 1/4 BALSA DORSAL K 1/4 SHEET BALSA 1/4 SQ LEDGE AND RIBSRWDER STABILIZER 1/4 X 1/2 FIN FRAMES NYROD GUIDES 1/4 SHEET BALSA TAB CENTER PLATltlv1 V4 DOWELS I/BBALSA COWLtJG V4 PLY WOOD FIREWALL 15 ENGINE I/4X 1/2 LEDGE-TIP- SR WHEEL ON 1/16 WIRE THRU BRACKET INTO RUDDER 1/B BALSA SHEET SIDES NOSE 10 TTlL 1/16 SHEET TE TOP AND BOTTOM WITH WEBS Co CD CD 2 C CD -i 0 0 I3 1/4 SHEET FORMER SOFT BALSA BLOCKS I/ M WIRE SPREADER F 3 I/B SHEET BALSA FORMER 3/16X 1/2 BALSA SUPPORT FOR SERVO TRAY I/Is PLYWOOD DOUBLER TO flREWALL F-2 I/BPLW4000 FORMER I/BPLYOD DWBLED FOR LG hJNT I/B SHEET BALSA TIPS 1/16 SHEET BALSA RIBS ALL EQUAL N 1/4 X I/2BALSA SPARS TOPAND BOTTOM I/4SQ BALSA L E SPARS TOP AND BOTIOM I/4SQ LEADNG EDGE HARD BALSA 2 1/2 WHEELS ON 3/32 P&JSIC WIRE GEAR 4 trailing edge webs 2-15/16 x 1A Note angle center rib two wing grain vertical longest dimen- panels can joined proper dihedral sion Make dihedral angle gauge card- angle wing now ready assembled board shown plans used set flat building board absolute necessity should 36 long least 12 wide material will hold pins firmly Plywood -in thickness works well Pin plans work board cover 24 Model Aviation make tempiate rrom tfllcK cardboard ue tile toider use tine Cut notches spars first before rest rib helps point marker make printed sheet wing ribs keep splitting wood go Stack ribs together insert two pieces spar stock top bottom hold place Sand stack until ribs smooth simple jig makes short work cutting spar webs Side pieces hold sheet straight metal straightedge cutting surface finished wing kit parts cut sanded shape before beginning construction wing Its easier way Cut dihedral angle gauge cardboard thin plywood see plans use set center ribs proper angle Uevel trailing edge allow top sheeting ut smoothly nnished center joint wing Note dihedral braces place either side main spar top bottom trailing edge September 1981 25 lop trailing edge sheeting place Note fits behind spar cruaning uiu wOd rubberband wing hoId-d.... aud gussets wing tip pieces sand curve dont make contact iron-on covering Build rudder stabilizer over tne plans iover plans clear plastic wrap wax paper prevent gluing parts Wrap medium grade sandpaper around -in dowel sand gussets Cut out boTh tuselage aloes same mIme rin IueLnur e,u u ins pywoou uuuuur servo mounting rails wing mount installed Note wing mount rails trimmed fit over doubler Glue bulkheads fuselage side use triangle assure squareness wax paper plastic dry cleaner bag protect glue Pin bottom trailing edge sheet bottom main spar over plan Pin piece scrap 1/16 balsa shim under two center ribs will hold off board allow room center sheet ing Using dihedral gauge guide trim ends two main spar webs two trailing edge webs dihedral angle Temporarily place some scrap 1/16 balsa both sides main spar center take place di hedral braces install center rib Use dihedral gauge set proper angle Glue top spar bottom trailing edge sheeting Glue trimmed spar webs trailing edge webs place next center rib Add next center section rib glue top main spar well webs trailing edge sheeting Install webs first regular rib dihedral braces extend far top main spar Continue adding ribs webs out tip spar webs extend part way out trailing edge webs go way tip ribs glued place add top main spar sure glue webs 26 Model Aviation Attach Other side bulkheads checking alignment carefully Addsheetingtothetopandbottomofthefuselage Notegraindirection tank held place foam blocks either side sure install fuel lines kink form engine cowl epoxy soft balsa wedges fuselag nose block epoxied place whole front end trimmed sanded shape fit engine installation iw urn ur scrap ooara ror bending soldering landing gear Attacn ianaing gear iegs tne ruseiage wirn straps shown plans FULL-SIZE PLANSAVAILABLE SEE PAGE 140 04 SO FRONTSd OSE ShEa 03/ROOT3/ARTOfl 0*0 ARC OFARMS 0 M4M2 BALSA5505 3/BA SEERS 5 we01650220005 FIX S BALSAMSRN& ARMS80*35 *30 BALSA 00 ROAR LEFT WING PLAN ~0 STFR aS 3/AC EpOS MS VEROCALSOOT 0* EAC 8050 TAR 8800 2 OOEMSAL A-MO 20*5 EAO OF03/SYS FRALOSO FORE FOWE BAFFLER weROAW S OMEARLAR LIPE WOO 001 TO FT MOOT SRAFT IS 500000 TAROrILeiM4FSoMR P50 FlFA 00500 5000 BALSALS 3/53/0MS SO LEAMSC4 BALSA OJABATSLOSH 005103 SIR TO COONESBOC SOlO ARMS ___________________ AL.. -TO CEOSAL OSSACO 0000510 01025 & ROlLS RIGS-SF ______ ______ ______ ______ ______ ______ ______ ______ ______ OARS ARC RB Ma BALSA ________________ ________WCG 03 OTHER SIDES0RasA __________22 REAR THIS TO ooTTOO IWE MS OFUTER RIBS LTC0SELSA 63/0 THBA0SEORE SOSLOSO 53/BALSA *o - _____ _____ -03/LW AWE SOHAR_________we Wa BALSA3/s MAR SlOG ESlBAfONAL ROLES MS 000 Wa4 we MACMS 70010 ewe A00MARS MR*L os SOOT s/raw LAROhA 3/ARBALSA FROST CR0 SOT oo MS31000 oRICELMS0S WE MSBAJ#A ACES MS MS PLO AR TMSOSSI WIRY EFROY H FEooBIEET0*LOoATIoB 000SF 0000FlBATTERY FM SOARLIStRISSAL MO 000 BALSA N 0SA L 05003/S LOOtS 3/AR 505100 03/ WOOF SOROSSOTOO MA RiO SAALOROSSO raw SART VS BALSA BATE50 T 0050 0050SF WIRY 2-8 0505SF {0\ 3ARA% 000000 0000 S-AR ENAREAMA SES*E0S MIO sowEr 005 SE 900500 MS WiSE WE IASE PLO OSIOROOL 006007I WHEEL 00 C r S C s C ST-aREA 555 SEQ 95W0 SW Ut ITRACING ET JOE DEMBRCO well ribs Add top front spar Glue 1/16 x 3/32 trailing edge bottom sheeting back ribs add top trailing edge sheeting time glue has set remove wing half plan add bottom spar leading edge Build other wing half same sequence root tip both sections wing finished use sanding block bevel trailing edge match slope ribs top sheeting will fit smoothly Trim 1/16-in notch trailing edges both center ribs panel accept 1/16 plywood trailing edge brace Remove shims spar notches center ribs insert 1/16 plywood main spar dihedral braces should fit smoothly place both wings Use sanding block sand spars leading edge trailing edges both wings match angle center rib Place panel flat bench elevate other panel five inches tip two panels should fit together perfectly Join two panels dihedral braces main spars trailing edges Clothespins provide good gluing pressure spar braces handy holling things alignment until glue sets Before everything sets check alignment panel flat bench other tip five inches above board main spar tip well trailing edge tip Glue top trailing edge sheet place add gussets atthe centerandtipribs Sheetthe top bottom center section Note sheeting goes between spars Cut tips soft t glue place gussets spar locations scrap wood leading trailing edges Dress leading edge tips 100-grit sandpaper sanding block up trailing edge Sand complete wing fine sandpaper epoxy 1/16-in music wire center wing now ready cover fuselage fuselage sides cut two sheets a 6 wide 36 long sheets can made edgeContinued page 107 Low flyby shows off pert little bird its best advantage Tail-draggers have charm sf0 tneres OflO less llflK8C wnen dont have steerable nosewheel Add hands-off stability solid construction youll see like Onestep training purposes September 1981 27 w -I MAR INTRODUCING TRIC LINE CONTROL MODELS B [ ELECTROLINE MODELS FUN PO BOX 25030 SAFE BEVERLY HILLS CA 90213 SEND FOR FREE INFORMATION ON MODEL KITS AND ACCESSORIES QUIET CLEAN EASY TO FLY FAST ASSEMBLY FLYS 15-20 MIN LOW COST Onestep/Randoiph Continued page 27 glueing 3-in stock form wider sheets cant find size Trace side view fuselage onto sheets Hold both sheets together masking tape cut both fuselage sides same time Use fuselage sides template cut 1/16 plywood doublers sheet 6 x 12 ply should provide both doublers sharp knife should cut 1/16 plywood ease Epoxy doublers place fuselage sides left right Epoxy has less tendency warp sides Glue longer ons uprights overlap doublers trim away 1/16 will fit smoothly over glue has cured place two sides back-to-back plywood-longeron sides out sand edges both until same Cut firewall Fl A-in plywood Cut bulkhead F2 Vs-in plywood Build up balsa bulkhead F3 -in stock Mark drill holes firewall engine mount fuel overflow lines throttle line Install blind nuts aft side receive engine mount bolts Epoxy place Glue fuselage bulkheads F2 F3 position sides Use triangle align right angles side glue has set glue other side directly over first Bevel inside longerons tail fit together both sides joined glue Use straightedge across stab cutout squareness Bring sides together firewall epoxy place plywood doubler Sight down fuselage check alignment Glue 3-in piece 1/16 balsa grain running across fuselage just front stab cutout top fuselage Install outer Nyrods elevator rudder Use epoxy microballoons Install rest top bottom sheeting aft F3 top sheeting just aft bulkhead filled scrap wood trimmed sanded conform dihedral angle wing Install Vs balsa floor under tank location spread epoxy tank area protect fuel spilL Install Nyrod firewall cabin area throttle line Continued nrnp 112 SImply screw el. engine mount nd lank bracket work bench tool boa bolt ejipine ready run minutes Includes Cast Aluminum Engine Mount 4 oz Polyethylene Tank Tubes Fittings Tank Mounting Bracket Mounting Screws Nuts Bolts inin inmmm m m q ENGINE TEST STAND I only 1395 IU I1 II II II GUARANTEED strangest ru ed engine test stand available Fully adjustagyefor ii engines V2A Ia 80 displacement eptemoerii 1w 5 4 ddlO Williams DlOT5 jon moxners isne ausnors granason just before Jons first flight Onestep perfect trainerit wont spiral dive Eddie cuacnas JOEl nrougn nis yirsi Takeoff Onestep raises Its tail GIANT SCALE -1 QUARTER SCALEi &_ 3 iFOOTI SY POPULAR DEMAND SPANDAU & VICKEES PLASTIC GUN KITS STANDARD PILOT COMPLETE WITH GOGGLES GNOME ROTARY ENGINE CYLINDERS VINTAGE GOLDEN AGE ARALLOON TIRE WHEELS Send $1 lilustrated Catalog WILLIAMSBROTHERS INC IIlU025 Dept MA 181 Pawnee Street Marcos Calif 92069 ALL NEW FROM PICA EIP 1059 oz five minute epoxy difference sandable epoxy available Compatible resin coating has new flip-top cap Industrial Strength 100% uncut resin FOR THE NEWCOMER Its super stable gentle faster building versatile Extended Wing version SPECIFICATIONS Fuselage 44V2 inches Extended Wing VersionWeight 4-4V2 pounds Wing Span 54 area 615 sq inches Engine 25-40 Wing Span 50 area 565 sq inches GLUIT H/P 601 12 oz heavy duty aliphatic white glue especially formulated modelers Its sandable fast drying truly heavy duty Its great hardwood plywood fiber materials subject high stress torque 557 N 6 188rn S M am Fl0 33180 TeeQnoae 935 1436 CANTON MODEL PRODUCTS Presents Dip Stick FAST QUICK EASY TO FINISH DS 40 55 SPAN 560 SQ IN WING LOADING 165-20 OZ 29-45 ENGINE 43 LENGTH 3 OR 4 CHANNEL PRICE 4995 ADD 4 SHIPPING CHARGE DS 60 64 SPAN 672 SQ IN WING LOADING 20-22 OZ 46-60 ENGINE 48 LENGTH 3 OR 4 CHANNEL PRICE 5995 EXTREMELYADD 6 SHIPPING RUGGED TRAINER CHARGE WITH SYMMETRICAL AIRFOIL FOR AEROBATIC FLYING HIGHLY PRE-FABRICATED KIT INCLUDES PRE-SHEETED BALSA FOAM WING5 PRE-BUILT JIG ASSEMBLED WOOD FUSELAGE PRE-SHAPED BALSA TAIL ASSEMBLY PRE-FORMED LANDING GEAR TAIL WHEEL AND AILERON WIRES INSTRUCTION SHEET WITH FULLY ILLUSTRATED ASSEMBLY DRAWINGS TO ORDER SEND BANK CHECK OR MONEY ORDER TO CANTON MODEL PRODuCTS PO BOX 6063 CANTON OHIO 44706 OR CALL 12161 4541535 FOR IMMEDIATE COD SHIPMENT Glue -in copper tube fuel overflow lines through firewalL Cut wedges foam fit betwen tank fuselage sides glue place tank should snug fit between foam firewall bulkhead F2 Connect fuel overflow lines tank firewall tubes complete top sheeting firewall wing mount Put wedge foam over tank during sheeting hold firmly place fuselage sides can cut off front firewall fully exposed engine desired Little no difference flying will noted cowl desired cut wedges soft balsa epoxy bottom fuselage sides front firewall glue has set use sanding block sand wedges flush sides sheet bottom soft a sheet front cowl firewalL Temporarily install engine mount engine firewall Slip 2-in paper disk shaft trace around soft pencil mark its location front cowl Cut semi-circle -in soft balsa 2 in diameter Epoxy nose block location marked front cowl glue has set mount 2-in spinner engine coarse sandpaper sand cowl front conform spinner Trim cowl sides clear muffler give access needle valve lines fuel throttle Sand cowl sides smoothly spinner Make sandwich ood landing gear mount shown plans Glue place complete bottom sheeting 1/16 balsa aft landing gear mount tail Build stab rudder right over plansjust wing assembled forget 1/32 plywood doubler adds little weight much strength movable parts cut very soft wood sanded conform outline mating surfaces will hinged place covering applied Sand complete airframe fine sandpaper airplane ready cover Covering covering can commercially available iron-on coverings Follow instructions come covering covering fuselage bottom should covered first sides finally top Overlap covering engine area paint firewall inside cowl seams around cowl matching epoxy paint glue seal areas fueL pinstripes between trim areas sliced black film ironed place seems stay place better trim tapes landing gear Scribe two parallel lines 2 apart piece scrap board will jig assembling gear Bend two landing gear legs 3/32-in music wire Attach legs across other along lines jig board clips screws just will mounted fuselage Bend spreader 1/16-in music wire Bind joints formed two legs spreader side soft copper wire solder Slip piece -in brass tube over axle solder washer tubing axles Slip wheels axles hold place -in collars Check align ment solder epoxy clips legs remove jig board Hold gear place fuselage mark location screw holes gear mount Drill 1/16-in holes spots install gear Trim covering away top fuselage fin will attached center section stab goes through fuselage Hinge elevator stab epoxy fin stab place Bend tail gear 1/16-in music wire top part goes rudder bent until after gear mounted Solder washer place shown Screw epoxy gear mount place Mount wheel Slide gear through mount fuselage stab bend arm epoxy place rudder hinged fin wheel should move rudder line Completion Attach engine mount firewall mount engine Install radio gear wrapping battery pack foam sealing plastic hag slide up under tank shown plans Mount servos plywood tray Move servos receiver forward backward cabin until airplane balances location shown Glue servo tray place rails Wrap receiver foam hold place Install rudder elevator horns locations shown connect servos Nyrods threaded studs devises surfaces should neutral throttle line florist wire run through guide Z-bend attaching throttle arm well servo Bend -in U-shape line between firewall throttle arm adjustment strain relief Epoxy A-in dowel wing hold-downs place airplane ready fly Continued page 116 112 Model Aviation Flying As new installations range check radioand check movement direc tion surfaces engine running everything working perfectly its time test flight trim flight prefer call Onestep handles very well ground As conventional-gear airplanes downwind turns difficult Tracking takeoff excel lent wind lift-off rather rapid cause light wing loading ready 15 full throttle climb-out about 450 angle ground Half throttle provides best cruise outermost holes rudder elevator horns used control response quite gentle classic vertical spiral dive must done deliberately holding down elevator Landings quite slow application back stick increasing throw control sur faces rolls snaps may done Inverted flight possible requires lots forward stick As well being solid stable trainer Onestep will hold its own fun flys can bounced precision landings will loop very tightly need can carry its own weight payload model good first step Schneider Races/Berliner Continued page 35 obviously-faster Passaleva 551 took off just after Biard finished lap expecting blast Englishman Out race soaking Savoia received capsized trials affected glue its propeller wooden laminations began separate Passaleva forced throttle back keep vibration manage able leveL prop somehow hung together 1 hours finished almost two minutes behind winner Biard other Italians well back Biard averaged record 1457 mph Passaleva 1426 mph Zanetti 133 mph Corgnolino 124 mph progress stimulated increasingly com petitive prestigious Schneider Trophy pushed four finishers speeds higher existing record set just year before next racethe seventh series would held Cowes England autumn 1923 would see first serious entry United States end era standard modified produc tion seaplanes would dominate Schneider would race racing aircraft would also second half story would stick memories aviation enthusiasts throughout world because races brought spotlight some exciting pure-speed aircraft would ever seen RC AerobaticsNan Putte Continued page 37 maintain Knife-Edge airplane rolled 900 clockwise didnt happen Surprisingly bit right rudder required last point Four-Point Roll before Does pipe cause fuel consumed Definitely Supertigre G-60 used burn about 10 oz fuel complete Expert class Pattern flight now goes through about 14 oz computes about nine Pattern flights per gallon fuel Its good thing make own fuel bottom line dont like looks fuel consumption piped engine like way makes Expert pattern easier well still dont think benefits warrant use tuned pipe Novice Advanced classes flying field yesterday asked advice experienced flier problem easy solve began wonder werent few experienced fliers out same difficulty mention beginners RC flying What prob lem couldnt keep airplane bounc ing unless performed perfect landing two things wrong landing gear setup either would have caused bouncy landings First airplane sat nose-high landing gear type setup guarantees difficulty landings because wing positive angle attack lift will generated long airplane moving means airplane will attempt take off again its landed hot higher angle airplane sits slower speed will try take off again best way eliminate problem set up airplane fuselage sits parallel runway slightly nose-down nose slightly down lift killed airplane rotates onto nose gear model tends stick runway However excessive nose-down attitude will cause airplane impossible take off smoothly since will difficult rotate nose up until model moving very fast airplane looks like hound scent landings may easy takeoffs will very abrupt second problem flier angled main gear struts back because liked look way Unfortunately gear struts angled hack airplane tends squat landing cause vertical load landing causes strut bend further back up nose gear doesnt same Continued page 118 * 30% STAND OFF SCALE SIZE * 92 WINGSPAN SO IN * WEIGHT 15 21 LBS * FiBERGLAS COWL LFANTS * GuADRA ENGINE * AVAILABLE NOW *PRICE6dOrI95 1/4 Scale d War K #RCQS-7 Plan Set $2495 80A Wingspan 24 Cu Engines Wgt 10% lbs wia radio 3-5 Channels R/C FOKKER TRIPLANE DR-i IIRCQS-e Plan Set $2495 70 Span maneuverable flys limited ares tie ds Prices tor Complete Plans Sub Assembly ano Detailed Parts Lists Add $200 Mailing Tube Send BroChure Details new designs & great thin9s come Send $100 retundable tor information 5 6 Model AVIaTIon THE WORLDS FIRST ADJUSTABLE HAND SANDEREXTRA HANDS THE DUPLICATOR MKI IPat PendingModel Aircraft Covering Tool Just duplicator does followingModel No 36 Pat No 33867271 Creates accurate 180 round patterns last breakthrough hit Toledo edges wings 118 fhru 112in make covering easyMacs Dallas stabs rudders,# 1116 incruments fast novicePasadena shows fuselage etc luded tool ert Duplicates roundsAC Make own Works types angles up 1 v I/ number sizes monokote order direcl $1995 semi-rounds curve patterns intinite covering material . dealer deep 34 oz fiberglass plus $200 shipping dealer order direct $1995 plus $200 shippingGREAT TIME SAVERS INVENTED BY AVID MODELER TO MAKE BUILDING EVEN MORE ENJOYABLE Once add foot cottection N J LIND COMPANY youtt wonder got atong them2912 Walker Lee Alamitos CA 90720Distributors inquiries incited U U 1or Outstanding Big Scale Aerobatics r Ohio S SSm 66I0-S6. 0
Edition: Model Aviation - 1981/09
Page Numbers: 20, 21, 22, 23, 24, 25, 26, 27, 107, 112, 116
NO OCR TEXT NO OCR TEXT rib ribs cut stack together flat surface short pieces spar material notches hold alignment Pin together sand correct outline sand ing block 100-grit sandpaper sanding finished ribs should look like cut bandsaw single block Select four ribs stack slice 1/16 top bottom ribs will go center section wing trimmed make way sheeting covers Slice 1/16 both sides main spar notches ribs accept dihedral braces will strengthen center section joint Cut dihedral braces main spars trailing edge 1/16 plywood metal straightedge utility knife make relatively easy job Cut repetitive light strokes Cut trailing edge sheet firm 1/16 sheet balsa spars leading edge /4 can best stripped metal straightedge sharp model knife Use care hold knife exactly right angle sheet edges strips will true Make jig shown photos cut webs main spar webs 2-15/16 x tep ready go wheels ahead center gravity leading edge wing simplify tail-dragger landings Spreader wire between gear lets bounce down have no sweat just thing Touch-and-Go fun fly Hail view snows steerable tail wheel washer soldered music wire hold wire place against nylon bracket wire extends up through fuselage lower part rudder R rear view showing control surface linkages original mode hinged MonoKote see text instructions engine easily cowled adding balsa bottom sanding shape wish leave off cowl cutting fuselage firewallit wont hurt performance 1/16 BALSA WEBS OUTTO 6ThRIB- 1/16 PLY#OOO BRACE AT SIR -TOPS -BOflCtl FRONT AND REAR 1 1/16 SHEET BALSA CENTER SECTiON OILY PLY BRE AT TE 3/16 SQ BALSA LONGERONS AND FRAMING 3/16 XI/2 BALSA WING SADDLE 1/16 SHEET BALSA TOP AND BOlTOM 1/4 BALSA DORSAL K 1/4 SHEET BALSA 1/4 SQ LEDGE AND RIBSRWDER STABILIZER 1/4 X 1/2 FIN FRAMES NYROD GUIDES 1/4 SHEET BALSA TAB CENTER PLATltlv1 V4 DOWELS I/BBALSA COWLtJG V4 PLY WOOD FIREWALL 15 ENGINE I/4X 1/2 LEDGE-TIP- SR WHEEL ON 1/16 WIRE THRU BRACKET INTO RUDDER 1/B BALSA SHEET SIDES NOSE 10 TTlL 1/16 SHEET TE TOP AND BOTTOM WITH WEBS Co CD CD 2 C CD -i 0 0 I3 1/4 SHEET FORMER SOFT BALSA BLOCKS I/ M WIRE SPREADER F 3 I/B SHEET BALSA FORMER 3/16X 1/2 BALSA SUPPORT FOR SERVO TRAY I/Is PLYWOOD DOUBLER TO flREWALL F-2 I/BPLW4000 FORMER I/BPLYOD DWBLED FOR LG hJNT I/B SHEET BALSA TIPS 1/16 SHEET BALSA RIBS ALL EQUAL N 1/4 X I/2BALSA SPARS TOPAND BOTTOM I/4SQ BALSA L E SPARS TOP AND BOTIOM I/4SQ LEADNG EDGE HARD BALSA 2 1/2 WHEELS ON 3/32 P&JSIC WIRE GEAR 4 trailing edge webs 2-15/16 x 1A Note angle center rib two wing grain vertical longest dimen- panels can joined proper dihedral sion Make dihedral angle gauge card- angle wing now ready assembled board shown plans used set flat building board absolute necessity should 36 long least 12 wide material will hold pins firmly Plywood -in thickness works well Pin plans work board cover 24 Model Aviation make tempiate rrom tfllcK cardboard ue tile toider use tine Cut notches spars first before rest rib helps point marker make printed sheet wing ribs keep splitting wood go Stack ribs together insert two pieces spar stock top bottom hold place Sand stack until ribs smooth simple jig makes short work cutting spar webs Side pieces hold sheet straight metal straightedge cutting surface finished wing kit parts cut sanded shape before beginning construction wing Its easier way Cut dihedral angle gauge cardboard thin plywood see plans use set center ribs proper angle Uevel trailing edge allow top sheeting ut smoothly nnished center joint wing Note dihedral braces place either side main spar top bottom trailing edge September 1981 25 lop trailing edge sheeting place Note fits behind spar cruaning uiu wOd rubberband wing hoId-d.... aud gussets wing tip pieces sand curve dont make contact iron-on covering Build rudder stabilizer over tne plans iover plans clear plastic wrap wax paper prevent gluing parts Wrap medium grade sandpaper around -in dowel sand gussets Cut out boTh tuselage aloes same mIme rin IueLnur e,u u ins pywoou uuuuur servo mounting rails wing mount installed Note wing mount rails trimmed fit over doubler Glue bulkheads fuselage side use triangle assure squareness wax paper plastic dry cleaner bag protect glue Pin bottom trailing edge sheet bottom main spar over plan Pin piece scrap 1/16 balsa shim under two center ribs will hold off board allow room center sheet ing Using dihedral gauge guide trim ends two main spar webs two trailing edge webs dihedral angle Temporarily place some scrap 1/16 balsa both sides main spar center take place di hedral braces install center rib Use dihedral gauge set proper angle Glue top spar bottom trailing edge sheeting Glue trimmed spar webs trailing edge webs place next center rib Add next center section rib glue top main spar well webs trailing edge sheeting Install webs first regular rib dihedral braces extend far top main spar Continue adding ribs webs out tip spar webs extend part way out trailing edge webs go way tip ribs glued place add top main spar sure glue webs 26 Model Aviation Attach Other side bulkheads checking alignment carefully Addsheetingtothetopandbottomofthefuselage Notegraindirection tank held place foam blocks either side sure install fuel lines kink form engine cowl epoxy soft balsa wedges fuselag nose block epoxied place whole front end trimmed sanded shape fit engine installation iw urn ur scrap ooara ror bending soldering landing gear Attacn ianaing gear iegs tne ruseiage wirn straps shown plans FULL-SIZE PLANSAVAILABLE SEE PAGE 140 04 SO FRONTSd OSE ShEa 03/ROOT3/ARTOfl 0*0 ARC OFARMS 0 M4M2 BALSA5505 3/BA SEERS 5 we01650220005 FIX S BALSAMSRN& ARMS80*35 *30 BALSA 00 ROAR LEFT WING PLAN ~0 STFR aS 3/AC EpOS MS VEROCALSOOT 0* EAC 8050 TAR 8800 2 OOEMSAL A-MO 20*5 EAO OF03/SYS FRALOSO FORE FOWE BAFFLER weROAW S OMEARLAR LIPE WOO 001 TO FT MOOT SRAFT IS 500000 TAROrILeiM4FSoMR P50 FlFA 00500 5000 BALSALS 3/53/0MS SO LEAMSC4 BALSA OJABATSLOSH 005103 SIR TO COONESBOC SOlO ARMS ___________________ AL.. -TO CEOSAL OSSACO 0000510 01025 & ROlLS RIGS-SF ______ ______ ______ ______ ______ ______ ______ ______ ______ OARS ARC RB Ma BALSA ________________ ________WCG 03 OTHER SIDES0RasA __________22 REAR THIS TO ooTTOO IWE MS OFUTER RIBS LTC0SELSA 63/0 THBA0SEORE SOSLOSO 53/BALSA *o - _____ _____ -03/LW AWE SOHAR_________we Wa BALSA3/s MAR SlOG ESlBAfONAL ROLES MS 000 Wa4 we MACMS 70010 ewe A00MARS MR*L os SOOT s/raw LAROhA 3/ARBALSA FROST CR0 SOT oo MS31000 oRICELMS0S WE MSBAJ#A ACES MS MS PLO AR TMSOSSI WIRY EFROY H FEooBIEET0*LOoATIoB 000SF 0000FlBATTERY FM SOARLIStRISSAL MO 000 BALSA N 0SA L 05003/S LOOtS 3/AR 505100 03/ WOOF SOROSSOTOO MA RiO SAALOROSSO raw SART VS BALSA BATE50 T 0050 0050SF WIRY 2-8 0505SF {0\ 3ARA% 000000 0000 S-AR ENAREAMA SES*E0S MIO sowEr 005 SE 900500 MS WiSE WE IASE PLO OSIOROOL 006007I WHEEL 00 C r S C s C ST-aREA 555 SEQ 95W0 SW Ut ITRACING ET JOE DEMBRCO well ribs Add top front spar Glue 1/16 x 3/32 trailing edge bottom sheeting back ribs add top trailing edge sheeting time glue has set remove wing half plan add bottom spar leading edge Build other wing half same sequence root tip both sections wing finished use sanding block bevel trailing edge match slope ribs top sheeting will fit smoothly Trim 1/16-in notch trailing edges both center ribs panel accept 1/16 plywood trailing edge brace Remove shims spar notches center ribs insert 1/16 plywood main spar dihedral braces should fit smoothly place both wings Use sanding block sand spars leading edge trailing edges both wings match angle center rib Place panel flat bench elevate other panel five inches tip two panels should fit together perfectly Join two panels dihedral braces main spars trailing edges Clothespins provide good gluing pressure spar braces handy holling things alignment until glue sets Before everything sets check alignment panel flat bench other tip five inches above board main spar tip well trailing edge tip Glue top trailing edge sheet place add gussets atthe centerandtipribs Sheetthe top bottom center section Note sheeting goes between spars Cut tips soft t glue place gussets spar locations scrap wood leading trailing edges Dress leading edge tips 100-grit sandpaper sanding block up trailing edge Sand complete wing fine sandpaper epoxy 1/16-in music wire center wing now ready cover fuselage fuselage sides cut two sheets a 6 wide 36 long sheets can made edgeContinued page 107 Low flyby shows off pert little bird its best advantage Tail-draggers have charm sf0 tneres OflO less llflK8C wnen dont have steerable nosewheel Add hands-off stability solid construction youll see like Onestep training purposes September 1981 27 w -I MAR INTRODUCING TRIC LINE CONTROL MODELS B [ ELECTROLINE MODELS FUN PO BOX 25030 SAFE BEVERLY HILLS CA 90213 SEND FOR FREE INFORMATION ON MODEL KITS AND ACCESSORIES QUIET CLEAN EASY TO FLY FAST ASSEMBLY FLYS 15-20 MIN LOW COST Onestep/Randoiph Continued page 27 glueing 3-in stock form wider sheets cant find size Trace side view fuselage onto sheets Hold both sheets together masking tape cut both fuselage sides same time Use fuselage sides template cut 1/16 plywood doublers sheet 6 x 12 ply should provide both doublers sharp knife should cut 1/16 plywood ease Epoxy doublers place fuselage sides left right Epoxy has less tendency warp sides Glue longer ons uprights overlap doublers trim away 1/16 will fit smoothly over glue has cured place two sides back-to-back plywood-longeron sides out sand edges both until same Cut firewall Fl A-in plywood Cut bulkhead F2 Vs-in plywood Build up balsa bulkhead F3 -in stock Mark drill holes firewall engine mount fuel overflow lines throttle line Install blind nuts aft side receive engine mount bolts Epoxy place Glue fuselage bulkheads F2 F3 position sides Use triangle align right angles side glue has set glue other side directly over first Bevel inside longerons tail fit together both sides joined glue Use straightedge across stab cutout squareness Bring sides together firewall epoxy place plywood doubler Sight down fuselage check alignment Glue 3-in piece 1/16 balsa grain running across fuselage just front stab cutout top fuselage Install outer Nyrods elevator rudder Use epoxy microballoons Install rest top bottom sheeting aft F3 top sheeting just aft bulkhead filled scrap wood trimmed sanded conform dihedral angle wing Install Vs balsa floor under tank location spread epoxy tank area protect fuel spilL Install Nyrod firewall cabin area throttle line Continued nrnp 112 SImply screw el. engine mount nd lank bracket work bench tool boa bolt ejipine ready run minutes Includes Cast Aluminum Engine Mount 4 oz Polyethylene Tank Tubes Fittings Tank Mounting Bracket Mounting Screws Nuts Bolts inin inmmm m m q ENGINE TEST STAND I only 1395 IU I1 II II II GUARANTEED strangest ru ed engine test stand available Fully adjustagyefor ii engines V2A Ia 80 displacement eptemoerii 1w 5 4 ddlO Williams DlOT5 jon moxners isne ausnors granason just before Jons first flight Onestep perfect trainerit wont spiral dive Eddie cuacnas JOEl nrougn nis yirsi Takeoff Onestep raises Its tail GIANT SCALE -1 QUARTER SCALEi &_ 3 iFOOTI SY POPULAR DEMAND SPANDAU & VICKEES PLASTIC GUN KITS STANDARD PILOT COMPLETE WITH GOGGLES GNOME ROTARY ENGINE CYLINDERS VINTAGE GOLDEN AGE ARALLOON TIRE WHEELS Send $1 lilustrated Catalog WILLIAMSBROTHERS INC IIlU025 Dept MA 181 Pawnee Street Marcos Calif 92069 ALL NEW FROM PICA EIP 1059 oz five minute epoxy difference sandable epoxy available Compatible resin coating has new flip-top cap Industrial Strength 100% uncut resin FOR THE NEWCOMER Its super stable gentle faster building versatile Extended Wing version SPECIFICATIONS Fuselage 44V2 inches Extended Wing VersionWeight 4-4V2 pounds Wing Span 54 area 615 sq inches Engine 25-40 Wing Span 50 area 565 sq inches GLUIT H/P 601 12 oz heavy duty aliphatic white glue especially formulated modelers Its sandable fast drying truly heavy duty Its great hardwood plywood fiber materials subject high stress torque 557 N 6 188rn S M am Fl0 33180 TeeQnoae 935 1436 CANTON MODEL PRODUCTS Presents Dip Stick FAST QUICK EASY TO FINISH DS 40 55 SPAN 560 SQ IN WING LOADING 165-20 OZ 29-45 ENGINE 43 LENGTH 3 OR 4 CHANNEL PRICE 4995 ADD 4 SHIPPING CHARGE DS 60 64 SPAN 672 SQ IN WING LOADING 20-22 OZ 46-60 ENGINE 48 LENGTH 3 OR 4 CHANNEL PRICE 5995 EXTREMELYADD 6 SHIPPING RUGGED TRAINER CHARGE WITH SYMMETRICAL AIRFOIL FOR AEROBATIC FLYING HIGHLY PRE-FABRICATED KIT INCLUDES PRE-SHEETED BALSA FOAM WING5 PRE-BUILT JIG ASSEMBLED WOOD FUSELAGE PRE-SHAPED BALSA TAIL ASSEMBLY PRE-FORMED LANDING GEAR TAIL WHEEL AND AILERON WIRES INSTRUCTION SHEET WITH FULLY ILLUSTRATED ASSEMBLY DRAWINGS TO ORDER SEND BANK CHECK OR MONEY ORDER TO CANTON MODEL PRODuCTS PO BOX 6063 CANTON OHIO 44706 OR CALL 12161 4541535 FOR IMMEDIATE COD SHIPMENT Glue -in copper tube fuel overflow lines through firewalL Cut wedges foam fit betwen tank fuselage sides glue place tank should snug fit between foam firewall bulkhead F2 Connect fuel overflow lines tank firewall tubes complete top sheeting firewall wing mount Put wedge foam over tank during sheeting hold firmly place fuselage sides can cut off front firewall fully exposed engine desired Little no difference flying will noted cowl desired cut wedges soft balsa epoxy bottom fuselage sides front firewall glue has set use sanding block sand wedges flush sides sheet bottom soft a sheet front cowl firewalL Temporarily install engine mount engine firewall Slip 2-in paper disk shaft trace around soft pencil mark its location front cowl Cut semi-circle -in soft balsa 2 in diameter Epoxy nose block location marked front cowl glue has set mount 2-in spinner engine coarse sandpaper sand cowl front conform spinner Trim cowl sides clear muffler give access needle valve lines fuel throttle Sand cowl sides smoothly spinner Make sandwich ood landing gear mount shown plans Glue place complete bottom sheeting 1/16 balsa aft landing gear mount tail Build stab rudder right over plansjust wing assembled forget 1/32 plywood doubler adds little weight much strength movable parts cut very soft wood sanded conform outline mating surfaces will hinged place covering applied Sand complete airframe fine sandpaper airplane ready cover Covering covering can commercially available iron-on coverings Follow instructions come covering covering fuselage bottom should covered first sides finally top Overlap covering engine area paint firewall inside cowl seams around cowl matching epoxy paint glue seal areas fueL pinstripes between trim areas sliced black film ironed place seems stay place better trim tapes landing gear Scribe two parallel lines 2 apart piece scrap board will jig assembling gear Bend two landing gear legs 3/32-in music wire Attach legs across other along lines jig board clips screws just will mounted fuselage Bend spreader 1/16-in music wire Bind joints formed two legs spreader side soft copper wire solder Slip piece -in brass tube over axle solder washer tubing axles Slip wheels axles hold place -in collars Check align ment solder epoxy clips legs remove jig board Hold gear place fuselage mark location screw holes gear mount Drill 1/16-in holes spots install gear Trim covering away top fuselage fin will attached center section stab goes through fuselage Hinge elevator stab epoxy fin stab place Bend tail gear 1/16-in music wire top part goes rudder bent until after gear mounted Solder washer place shown Screw epoxy gear mount place Mount wheel Slide gear through mount fuselage stab bend arm epoxy place rudder hinged fin wheel should move rudder line Completion Attach engine mount firewall mount engine Install radio gear wrapping battery pack foam sealing plastic hag slide up under tank shown plans Mount servos plywood tray Move servos receiver forward backward cabin until airplane balances location shown Glue servo tray place rails Wrap receiver foam hold place Install rudder elevator horns locations shown connect servos Nyrods threaded studs devises surfaces should neutral throttle line florist wire run through guide Z-bend attaching throttle arm well servo Bend -in U-shape line between firewall throttle arm adjustment strain relief Epoxy A-in dowel wing hold-downs place airplane ready fly Continued page 116 112 Model Aviation Flying As new installations range check radioand check movement direc tion surfaces engine running everything working perfectly its time test flight trim flight prefer call Onestep handles very well ground As conventional-gear airplanes downwind turns difficult Tracking takeoff excel lent wind lift-off rather rapid cause light wing loading ready 15 full throttle climb-out about 450 angle ground Half throttle provides best cruise outermost holes rudder elevator horns used control response quite gentle classic vertical spiral dive must done deliberately holding down elevator Landings quite slow application back stick increasing throw control sur faces rolls snaps may done Inverted flight possible requires lots forward stick As well being solid stable trainer Onestep will hold its own fun flys can bounced precision landings will loop very tightly need can carry its own weight payload model good first step Schneider Races/Berliner Continued page 35 obviously-faster Passaleva 551 took off just after Biard finished lap expecting blast Englishman Out race soaking Savoia received capsized trials affected glue its propeller wooden laminations began separate Passaleva forced throttle back keep vibration manage able leveL prop somehow hung together 1 hours finished almost two minutes behind winner Biard other Italians well back Biard averaged record 1457 mph Passaleva 1426 mph Zanetti 133 mph Corgnolino 124 mph progress stimulated increasingly com petitive prestigious Schneider Trophy pushed four finishers speeds higher existing record set just year before next racethe seventh series would held Cowes England autumn 1923 would see first serious entry United States end era standard modified produc tion seaplanes would dominate Schneider would race racing aircraft would also second half story would stick memories aviation enthusiasts throughout world because races brought spotlight some exciting pure-speed aircraft would ever seen RC AerobaticsNan Putte Continued page 37 maintain Knife-Edge airplane rolled 900 clockwise didnt happen Surprisingly bit right rudder required last point Four-Point Roll before Does pipe cause fuel consumed Definitely Supertigre G-60 used burn about 10 oz fuel complete Expert class Pattern flight now goes through about 14 oz computes about nine Pattern flights per gallon fuel Its good thing make own fuel bottom line dont like looks fuel consumption piped engine like way makes Expert pattern easier well still dont think benefits warrant use tuned pipe Novice Advanced classes flying field yesterday asked advice experienced flier problem easy solve began wonder werent few experienced fliers out same difficulty mention beginners RC flying What prob lem couldnt keep airplane bounc ing unless performed perfect landing two things wrong landing gear setup either would have caused bouncy landings First airplane sat nose-high landing gear type setup guarantees difficulty landings because wing positive angle attack lift will generated long airplane moving means airplane will attempt take off again its landed hot higher angle airplane sits slower speed will try take off again best way eliminate problem set up airplane fuselage sits parallel runway slightly nose-down nose slightly down lift killed airplane rotates onto nose gear model tends stick runway However excessive nose-down attitude will cause airplane impossible take off smoothly since will difficult rotate nose up until model moving very fast airplane looks like hound scent landings may easy takeoffs will very abrupt second problem flier angled main gear struts back because liked look way Unfortunately gear struts angled hack airplane tends squat landing cause vertical load landing causes strut bend further back up nose gear doesnt same Continued page 118 * 30% STAND OFF SCALE SIZE * 92 WINGSPAN SO IN * WEIGHT 15 21 LBS * FiBERGLAS COWL LFANTS * GuADRA ENGINE * AVAILABLE NOW *PRICE6dOrI95 1/4 Scale d War K #RCQS-7 Plan Set $2495 80A Wingspan 24 Cu Engines Wgt 10% lbs wia radio 3-5 Channels R/C FOKKER TRIPLANE DR-i IIRCQS-e Plan Set $2495 70 Span maneuverable flys limited ares tie ds Prices tor Complete Plans Sub Assembly ano Detailed Parts Lists Add $200 Mailing Tube Send BroChure Details new designs & great thin9s come Send $100 retundable tor information 5 6 Model AVIaTIon THE WORLDS FIRST ADJUSTABLE HAND SANDEREXTRA HANDS THE DUPLICATOR MKI IPat PendingModel Aircraft Covering Tool Just duplicator does followingModel No 36 Pat No 33867271 Creates accurate 180 round patterns last breakthrough hit Toledo edges wings 118 fhru 112in make covering easyMacs Dallas stabs rudders,# 1116 incruments fast novicePasadena shows fuselage etc luded tool ert Duplicates roundsAC Make own 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