THIS IS SPORT Old-Timer excellent s first model lots fun flier nn gear has no te loop Cavalier htweight ma L rour-cycle horns mv Eny m adequi te cc tuft sh~ Ss cb~ mxli hardiiv good luck airfoil fact didnt build washout wing high-wing layout slow fly ing characteristics didnt justify keeping design criterion keep light companion desire keep simple case keeping simple means fast building found out hard way lot time can eaten up complicated construction tried benefit building design experience including some innovative ideas Cav alier Maybe some will obvious have used times before What Ive done pick out ones have worked put together design Some areas kept simple light follow fuselage construction decided use longeron crosspiece method instead common sheet construction can argued sheet simpler building way lot lighter covered fuselage very strong wanted avoid loose cowl So times fasteners get lost dont work cowl ends up being held rubberbands worse left off So 32 Model Aviation t Theres plenty room three servos foamwrapped battery raculvor mnsteaa OT runneroanas tne author uses tension springs mede 015 music wire hold battery receiver wind spring clamps hand drill bench vise chucks piece 1/8-in drill rod sticks end music wire between chuck jaws turns hand drill Voilal Right cowl upper lower permanently glued place avoiding sometimes-problem loose pieces handy needle valve extension brass tubing wea soldered few hand flips author brings engine life Cavalier ready another flight Wed recommend having model restrained helper starting possible avoid danger getting hand wrist caught spinning prop Falk picture IlK 3/8 SQ ALL PIN RUDDER FRAMING 3/8 SHEET FCAMS 3/BX IALL CONTOURS 3/32 M WIRE ELEItR TIE IIJ 1/16 PlY WOOD REtJF 3/8XIT EDGE 1/16 PLYWOOD BRACES FRONT BACK OF SWR AT C/S ONLY L4 SHEET WING CRADLE BANDS HOLD TAIL TO I/B DOWELS 1/4 CRADLE 9JPPORTS FOR ONE PIECE WING BALSA FORM FOR1/4 DOWEL WINDSHIELD F 1 1/8 PLYWOOD SHEET 1/8 SHEET PLAMING COWL II / 7/ 77 3/8 50 FR4MES WHEEL ON STEERABLE WE THRU NYLON I/8PLY PIATM Win-I ALIGN DOWELS FOR TAIL REMOVAL ON I/B PLYWOOD iD BOTTOM I$4SQ FUSELAGE FRAMING AND LONGERONS 1/4 DOWEL W ING I-IOLD DOWNS 7 V4T EDGE ENVA 35 ON HAYES MOUNT BALSA BLOCKS FORM FIXED COWL -x -7 K 7 L I$4PLYWOOD FIREWALL I/B SHEET FOR TRAY SIDESAfl FL IlSIDE LDONS 1/4 SHEET BALSA BRACtIG 1/16 PLYWOOD SERVO TRAYS 1/8 SHEET BALSA BOXES FOR RADIO BATTERIES F 2 1/8 SHEET FRAMING 1/16 PLYWOOD WING REAR SPAR Ci ONLY 7 7 7 FRONTANDBACK 3/8 50 HARD UPPER LOWER SPARS Vs SHEET WEBS FtJT SPAR GLYI/B SHEET liPS FORM 3/32 SHEET RIBS 1/2 50 LEDGE INTO RIB tIO1tHES 31/4 WHEELS ON 5/32MWIRE U-BOLT TO F 1 BULKHEAD Li APER BEFORE INSTALLING ON FUSELAGE WINDSHIELD FLAT P 015 BUTYRATE SHI F 117 ENGINE MOUNT HAYES OR EOUIVAUENT 5/32 MUSIC WIRE H Ii 1/4 FOAM 3/4x 1 BLOCK CUT GROOVE FOR 1/4 DOWEL BEFORE GLUING INSERT DOWEL AFTER INSTALLING WINDSHIELD B ENYA 35 SI-lOAN 1/4 DOWEL B oz CLUNA TANK PRESSURE TAP NOT USED WINO DIHEDRAL3 DOWN THRUST NO SCALE CO NOSE BLOCK TAILA \F3D15B /I' ---F4 BLOCKAFlEPOXY IN 1/2 BLOCK DRAIN HOLE DRAIN SHEETSCRAP1/4 SHEET PLANKING TANKTRIM AFTER1/4 SHEET 1 BLOCKREMOVING FROM PLANS1/4SHEET LEAVE OUT UNTIL LANDING GEAR IS INSTALLED 1/B 3/4 SHEET oSHEET BALSA NOT SCRAP1/B SHEET REQUIRED ON BOTTOM OF FUSELAGE SECTION A-A 3 1/A WHEELS tail section authors model made removable held rubberbands big model could easily fit particular car yours has plenty room could permanently mount tail surfaces save bit assembly/disassembly time flying session 34 Model Aviation HOOKS FOR HOLD DOWN RUBBER BANDS SECTION B B 1/BSHEET FULL-SIZE PLANS AVAILABLE . SEE PAGE 180 - NOTCH FOR SERVO LEADS II B-B MAKE CUT-OUTS TO SUIT YOUR RADIO 1/B PLY RADIO TRAY 1/1K PLY HOLE FOR 1/4 DOWEL REMOVABLE TAIL VERSION SIMILAR EXCEPT ADD DOWELS AND 1/1K PLY HINGE 3 PLACES SECURE WITH STRAIGHT PINS -J Li 5/1K DA I 3/B SHEET HARDWOOD DOWEL NTROL CABE1/4SHEET P2 3 TAPE HEET1/BSHEET 1/4503/B SO VV4 DOWELI 3/1K DOXEL-REDUIREDr WITH REMOVABLE3/B TRIANGULAR STOCK TAIL ASSEMBLY 3/Bs 314 1/4SIEETI--/-1[ I I i/SHEET 7 1/B SHEET P2 13/4 WHEEL 1/B SHEET1/B PLY SPLICE1/4 50 /TAPER IALON TAIL WHEEL OUTLINE OF FUSELAGEBRACKET EPOXY IN PLACE SIDE BWLT ON PLANS CUT SLOT FOR TAB TAIL,PUASTIC TUBING WHEEL DETAIL TBNDWWRE AND SOUTER 1/lA MUSIC WIRE NYLON PUSH ROD GUIDE GLUE TO P3 AFTER PLANIKNG OVER FUEL TANK F 3 1/B SHEET SUPPORT FOR LOWER EDGE OF WINOSH EUD GEON /B SHEET ALL WOOD -BALSA-UNLESS NOTED CAVALIER RADIO CONTROLLED SPORT 35 sheet 1 WINGAREA 1200 SR K rcsruAKJNb WING SPAN BO R-R2 DESIGNED DRAWN & TRACED front end fuselage has fixed cowl engine installed uprightagain simplicity easy starting good cooling main landing gear easy make having just three beds wire stalled after fuselage complete sim plifying phase construction strayed original goals used clear acetate cabin windows feel improvement appearance justifies extra work wing absolute simplicity basi cally scaled-up version type usually found small rubber-powered models one-piece wing V-dihedral use V8-in sheet wing tips things easy building would have difficult use wing hold-down bolts sheet covering distribute load feel holddown rubberbands keeping design allow lighter model would possible bolt-on system John Laycock hooks up rubberbands hold tail section early picture landing gear 1/8-in music wire Trexler wheels use Being too springy author changed 5/32-in wire low-bounce wheels did trick very nicely May 1984 35 6 ROLL MYLAR COVERING WING HORIZOKTATAIL THE WING AND HORIZONTA TAIL CAN BE COVERED USNG TWO 6 ROLLS GE MYAR COVERING I W NG II 11 KEEP DIHE SHEAR WE - n ~== AFT DIHEDRAL BRACE1/16 PLY FWD DIHEDRAL BRACE1/16 PLY 1/2 50 LEADING EDGE SCRAP BLOCK WING TIP TEMPLATE MAKE FROM CARD USE TEMPLATE TO TRIM SPARS LEADING EDGE AND TRAILING EDGE k 2 3/4 DIHEDRAL EACH WING AT THIS POINT SPLICE TYPIC AL 3/B SD IU WING TIP 2 REQUIRED i/B SHEET jTRIM AFTER ASSEMBLY WING RIB 20 REQUIRED 3/32 SHEET 1 REQUIRED 1/8 SHEET II 1 1/4 TRAILING EDGE STOCK Fuselage construction Start building sides over plan Use flat building board protect plan kitchen Mylar film such Saran Wrap Use 1/4-in sq medium grade balsa select straight est pieces longerons longeron splicing try method shown sheet two plansit works Also sanding fuselage crosspieces use sanding block method shown sheet two Use razor saw such Zona Saw cut crosspieces little longer required finish length sanding block used cya noacrylate CyA glue throughout except needed extra strength used 5-mm epoxy didnt build second side top first method works fine AB Vs sq longerons cum bersome size fuselage first side complete remove plans flip over check joints Add extra glue required Build second side Cut out firewall formers Fl F2 important made accurately squareness fuselage 36 Model Aviation See tiny bumps underside wing stabilizer tips Skids recommended big wing light loading tend tip model ground crosswind FULL-SIZE PLANS AVAILABLE. SEE PAGE 180 MEDIUM GARNET SANDING BLOCK PAPER 1OLD BALSA STRrP AND SLIDE SANDING BOCK THIS METHOD OF SANDING THE FUSELAGE AND TAIL CROSS MEMBERS WILL ENSURE ACCURATE JOINTS OUR 3/B SC 1/4 DOWE REQUIRED WITH REMOVABE TAIL VERSION 1/B SHEET RIB VW 0 DIHEDRAL BRACE EPOXY IN PLACE WINO TEMPLATE ____________________ _______________________ _____________ fi 2 1 l/4 -1/16 PLY EPOXY IN PLACE FIBER GLASS OR LINEN -EPOXY 1 3/32 MUSIC WIRE UNCOVERED N FOR HOLD DOWN RUBBER BANDS K~LEAVE EXTEND TO REAR SPARz13/BX 1 1/2 FOR FIXED TAIL VERSION REAR SPAR HINGE-4 PLACES STRAIGHT PINS APT DIHEDRAL BRACE EPOXY IN PLACE ALSA STRIPS TOGETHER DURING CUTTING AND SANDING FOR GOOD JOINT METHOD OF SPLICING LONGERONS AND SPARS CAVALIER SHEET 2 REQUIRED ONLY FOR REMOVABLE TAIL VERSION depends Now good time form main landing gear Use cutoff wheel drill motor cut 5/32-in-dia music wire should wearing safety glasses doing kind work Locate drill holes three J-bolts dont finalassemble main gear former time Its lot easier work fuselage youre apt stabbed landing gear Epoxy firewall formers side fuselage use square keep formers true hardened epoxy second side Again careful maintain squareness epoxy second side has hardened pull back end fuselage together add crosspieces Complete fuselage shown plans Add engine mount platform fuel tank didnt fuel-proof fuel tank compartment did make sure fuel tank cap properly tightened Install fuel tubing through firewall before closing off compartment Seal ends tubes keep out sanding dust Also identify tubes correct hookup laterContinued page 135 May 1984 37 EB -1/16 SHEETAL GRAIN Li\ 0123SS Enya 35 nose looks almost lost total size Cavalier Its large size gives plane docile flight characteristics has controls elevator rudder engine Fun/Winter Continued page 28 modest figure still lot choppers modeling world have others course including rotor span 10 ft Army An other requirement magazine s selection sales above $100000 less $15000000 drone connection Although first patented remotely-piloted vehicle drone dated WW days until WW II RPVs became practical part military hardware mainly lifelike targets Things like OQ2A remembered modelers later full-scale all-wood Culver Ca det About 12 ft span generous dihedral OQ2A powered Mc Culloch engine Ive told thing 5 10 hp up 18 looked like overblown Outdoor Rub ber job flat-topped triangular cross-sectioned fuselage thing catapulted shock cord off long launcher open-frame tubular con struction could hit 175 retrieval hit shut down engine popped chute top hatch first Mirror Meet 1947 Grummans Bethpage Long Island Army demonstrated three Wild man shot vertically over head heard did see thunderous impact concrete runway under Good Humor truck As Free Flight er knew what expect An other tore up sky until pilot goofed radio glitched demolish ing chicken coop its feathered habitants So heres Warren Anderson started Ohlsson 23 FF Gas jobs before WW II military assignments writes crew chief Radio Airplane Target Detachment flying OQ 2A drones first crew trained Army personnel Fort Bliss TX 1943 related us Good brothers taken RC idea several military units unable stir up much interest Finally US Cavalry accepted idea ac cording developed OQ2A wonder what Walt Good has say about Reginald Denny involved early manufacturing plane Mr Smith pointed out article merican Aircraft Modeler March 1971 picture took Radioplane plant 1943 shows both Smith Denny Reginald Denny handsome movie actor considerable fame truly good guy aviation Im going check out believe Reginald pilot interested air schools certainly major model airplane manufacturer advertised heavily mags grand FF Gas model kit Dennyplane fondly-re membered engine Dennymite Dennyplane famous day round-nosed aluminum cowl highwinged cabin model flew superb ly gosh looked like full-size plane lot people recent years have built thanks Doc Mathews revival January 1977 Model Aviation Plan No 169 $4 Power 19 25 Denny far cellu loid hero us Youll love Dennyplane Incidentally Radioplane produced 13935 drones under three designations Bill Winter 4426 Altura Ct Fairfax VA 22030 Cavalier/Laycock Continued oaoe 37 Epoxy balsa blocks place engine cowl Shape sand final contour keep very sharp chisel handy shaping carving balsa find faster using razor blades knife Use chisel carve close final size finish sanding Add gussets windshield side windows affixed contact cement engine compartment given two coats epoxy paint little tricky paint around engine mount used long cotton swab inserted through drain Continued page 138 May1984 135 ILZUZL a/c 361 Iso RoadSan Antonio TX 73216 512 414712 FUTABA 7FGKFM23395 6FGK FMSOLD OUT 7FGK18495 6FGK16495 5FGK15495 6FG15495 4FG14995 4L3-5/2810495 2F2/S-28-R4H7495 S-28SERVO1895 5-32SERVO2595 COVERINGS Monokote Opaque 3 Rolls1695 Monokoge Trans. 3 Rolls1695 Monokote Met. 3 Rolls2095 CYANOACRYLATE Hot Stuff HS-t e169 Itol Stuff HSTl /z Ounce169 Hot Stuff HS-4 2 Ounce589 Hot Stuff HST-4 2 Ounce539 Slot Shot245 Jet Ouncet79 Super Jet e179 Jet 2 Ounce599 Super Jet 2 Ounce599 EPOXY GLUE Deveon 30 Minute 9 Ounce595 Devrou 5 Minute 9 Ounce595 Hobbypoxy 113 Ounce359 tiobbypoxy IV 3 Ounce559 Hobbypoxy III 3 Ounce295 SULLIVAN HT #600 Starter2795 HTD #601 Starter3095 HTD24 #602 Starter3295 PLEASE NOTE Prices subject change manufacturers prices change items subject availability time sale Prices effect until next Model Aviation Issue Show room prices may slightly higher Visit show room San Antonio jW discount price list refunded first order Shipping& Handling Prepaid orders S300 COD Credit Card orders 5595 Overseas orders add estimated shipping 25% deposit re4uired first lime COD 55% sates tax required Texas residents Personal checks delay shipping 15 days Cavalier/Laycock Continued oaae 135 hole get below engine mount better have too much paint enough ready cover fuselage now time add main landing gear After covering add tail wheel assembly wing tail hold-down dowels tray method radio installation has worked fine Use epoxy mount tray Incidentally tray strengthens center fuselage sure about getting center gravity CG lo cated correctly install radio tray last move fore aft get proper balance position Wing Once ribs cut wing panels assemble quite fast Incidentally four ribs can cut 3 x 36-in sheet made rib template As ply splicing two pieces together make big enough piece Build wing half flat plan Before joining two wing halves com plete wing tips easier work just half wing number ways join wing halves have favorite means go ahead use method works well follows As build wing half trim spars leading trailing edges correct length dihedral angle dihedral angle template very useful worth effort necessary make Build both wing halves add Vs-in center rib wing half Blockup half bring two halves together check fit satisfied glue epoxy Now have complete wing needing dihedral reinforcing Carefully slot center ribs dihedral braces Glue epoxy clamp place Finally add shear webs wing ready final sanding Tail Construction straightforward Square ends crosspieces sanding block careful cutting slots hinges Unless hinge pins exactly line will take extra force move control surface putting extra load radio servo battery Whether make tail assembly remov able epoxy permanently fuselage usually depends space ve hicle mid-sized two-door Ameri can car can carry wing inside pas senger area fuselage removable tail carried trunk transporta tion permits one-piece fuselage tail build wayyoull save yourself some extra work Finishing used translucent Super Mono Kote looks great built-up fuselage also adds sense being light weight wing tail can covered two rolls pieces cut shown plan use method make Super MonoKote lap joint over wing rib dont shrink part until whole wing has covered Make sure lap joint well-sealed use regular house hold iron final shrinking trim around windows used /4-in pressure-sensitive tape After cover ing add tip skids wing horizon tal taildont fly holding wing down make six 10-in loops use 20 rubber -in rubber strip Flying will find Cavalier easy plane fly However havent flown multi-channel RC before suggest have qualified flier help during early flights Cavalier doesnt have vices Its likely ground-loop take off landing Basic commonsense rules apply take off make sure model heading directly wind important lightly-loaded models such Cavalier Landings fun final approach should directly wind Cut engine throttle idle Add up-elevator trim establish glide start flare-out model about six feet above ground Keep giving vp-elevator until touch-down stick should way back point As takeoff very little roll windy weather dont attempt taxiing Once model turned crosswind wind will tend flip over does very little damage modelthe wing strongbut does spoil otherwise good landing usually kill engine carry model back pits Have fun building flying Cavalier Its model pushing state art honest goodness fun flier Radio Technique/Myers Continued page 39 ary 1982 MA page 30 can used monitoring tool arent flying can go off flight line about 500 feet plug Bird-dog airplane turn ON try find out whats hap pening channel unit draws quite bit flight pack about 300 mA use Ace Fast Field Charger 34K40 similar device put back what take out before flying youre too thrilled idea running down flight pack heres another approach Figure 3 shows Ace Sil ver Seven transmitter modified addi tion small RC receiver loudspeaker inside set could likewise Since have 5R900 battery pack trans mitter expanded-scale voltmeter front panel small current drawn monitoring no concern switch back transmitter selects either Monitor Transmitter function thought playing might plug receiver crystal monitor check channel before 138 Model Aviation RIC SCALE PLANS Curtlsn Hawk P44 60 apan 1500 aq I. lieu$3495 Aeronca Modal K-193731apan$1995 Piper Sup Cub Cnalnar PA-I 2 31 upas. S 1995 Piper Pacar PA-20 39 span Vs Scat$2995 Piper Trl-PncerPA-22 39 span V Scale 5 DH-85 Leopard Moth l11tpas /Scal#$1995 DH.80A Puns Moth ill apes VScaIe$1995 Sphsks Akronsa afar 60 spas Ill Scala$1495 Send SelfAddreaaed Stamped Envelope Complete List HOBBY CAPITOL RIC 46 N Oak St. Ventura CA 93001
Edition: Model Aviation - 1984/05
Page Numbers: 30, 31, 32, 33, 34, 35, 36, 37, 135, 138
THIS IS SPORT Old-Timer excellent s first model lots fun flier nn gear has no te loop Cavalier htweight ma L rour-cycle horns mv Eny m adequi te cc tuft sh~ Ss cb~ mxli hardiiv good luck airfoil fact didnt build washout wing high-wing layout slow fly ing characteristics didnt justify keeping design criterion keep light companion desire keep simple case keeping simple means fast building found out hard way lot time can eaten up complicated construction tried benefit building design experience including some innovative ideas Cav alier Maybe some will obvious have used times before What Ive done pick out ones have worked put together design Some areas kept simple light follow fuselage construction decided use longeron crosspiece method instead common sheet construction can argued sheet simpler building way lot lighter covered fuselage very strong wanted avoid loose cowl So times fasteners get lost dont work cowl ends up being held rubberbands worse left off So 32 Model Aviation t Theres plenty room three servos foamwrapped battery raculvor mnsteaa OT runneroanas tne author uses tension springs mede 015 music wire hold battery receiver wind spring clamps hand drill bench vise chucks piece 1/8-in drill rod sticks end music wire between chuck jaws turns hand drill Voilal Right cowl upper lower permanently glued place avoiding sometimes-problem loose pieces handy needle valve extension brass tubing wea soldered few hand flips author brings engine life Cavalier ready another flight Wed recommend having model restrained helper starting possible avoid danger getting hand wrist caught spinning prop Falk picture IlK 3/8 SQ ALL PIN RUDDER FRAMING 3/8 SHEET FCAMS 3/BX IALL CONTOURS 3/32 M WIRE ELEItR TIE IIJ 1/16 PlY WOOD REtJF 3/8XIT EDGE 1/16 PLYWOOD BRACES FRONT BACK OF SWR AT C/S ONLY L4 SHEET WING CRADLE BANDS HOLD TAIL TO I/B DOWELS 1/4 CRADLE 9JPPORTS FOR ONE PIECE WING BALSA FORM FOR1/4 DOWEL WINDSHIELD F 1 1/8 PLYWOOD SHEET 1/8 SHEET PLAMING COWL II / 7/ 77 3/8 50 FR4MES WHEEL ON STEERABLE WE THRU NYLON I/8PLY PIATM Win-I ALIGN DOWELS FOR TAIL REMOVAL ON I/B PLYWOOD iD BOTTOM I$4SQ FUSELAGE FRAMING AND LONGERONS 1/4 DOWEL W ING I-IOLD DOWNS 7 V4T EDGE ENVA 35 ON HAYES MOUNT BALSA BLOCKS FORM FIXED COWL -x -7 K 7 L I$4PLYWOOD FIREWALL I/B SHEET FOR TRAY SIDESAfl FL IlSIDE LDONS 1/4 SHEET BALSA BRACtIG 1/16 PLYWOOD SERVO TRAYS 1/8 SHEET BALSA BOXES FOR RADIO BATTERIES F 2 1/8 SHEET FRAMING 1/16 PLYWOOD WING REAR SPAR Ci ONLY 7 7 7 FRONTANDBACK 3/8 50 HARD UPPER LOWER SPARS Vs SHEET WEBS FtJT SPAR GLYI/B SHEET liPS FORM 3/32 SHEET RIBS 1/2 50 LEDGE INTO RIB tIO1tHES 31/4 WHEELS ON 5/32MWIRE U-BOLT TO F 1 BULKHEAD Li APER BEFORE INSTALLING ON FUSELAGE WINDSHIELD FLAT P 015 BUTYRATE SHI F 117 ENGINE MOUNT HAYES OR EOUIVAUENT 5/32 MUSIC WIRE H Ii 1/4 FOAM 3/4x 1 BLOCK CUT GROOVE FOR 1/4 DOWEL BEFORE GLUING INSERT DOWEL AFTER INSTALLING WINDSHIELD B ENYA 35 SI-lOAN 1/4 DOWEL B oz CLUNA TANK PRESSURE TAP NOT USED WINO DIHEDRAL3 DOWN THRUST NO SCALE CO NOSE BLOCK TAILA \F3D15B /I' ---F4 BLOCKAFlEPOXY IN 1/2 BLOCK DRAIN HOLE DRAIN SHEETSCRAP1/4 SHEET PLANKING TANKTRIM AFTER1/4 SHEET 1 BLOCKREMOVING FROM PLANS1/4SHEET LEAVE OUT UNTIL LANDING GEAR IS INSTALLED 1/B 3/4 SHEET oSHEET BALSA NOT SCRAP1/B SHEET REQUIRED ON BOTTOM OF FUSELAGE SECTION A-A 3 1/A WHEELS tail section authors model made removable held rubberbands big model could easily fit particular car yours has plenty room could permanently mount tail surfaces save bit assembly/disassembly time flying session 34 Model Aviation HOOKS FOR HOLD DOWN RUBBER BANDS SECTION B B 1/BSHEET FULL-SIZE PLANS AVAILABLE . SEE PAGE 180 - NOTCH FOR SERVO LEADS II B-B MAKE CUT-OUTS TO SUIT YOUR RADIO 1/B PLY RADIO TRAY 1/1K PLY HOLE FOR 1/4 DOWEL REMOVABLE TAIL VERSION SIMILAR EXCEPT ADD DOWELS AND 1/1K PLY HINGE 3 PLACES SECURE WITH STRAIGHT PINS -J Li 5/1K DA I 3/B SHEET HARDWOOD DOWEL NTROL CABE1/4SHEET P2 3 TAPE HEET1/BSHEET 1/4503/B SO VV4 DOWELI 3/1K DOXEL-REDUIREDr WITH REMOVABLE3/B TRIANGULAR STOCK TAIL ASSEMBLY 3/Bs 314 1/4SIEETI--/-1[ I I i/SHEET 7 1/B SHEET P2 13/4 WHEEL 1/B SHEET1/B PLY SPLICE1/4 50 /TAPER IALON TAIL WHEEL OUTLINE OF FUSELAGEBRACKET EPOXY IN PLACE SIDE BWLT ON PLANS CUT SLOT FOR TAB TAIL,PUASTIC TUBING WHEEL DETAIL TBNDWWRE AND SOUTER 1/lA MUSIC WIRE NYLON PUSH ROD GUIDE GLUE TO P3 AFTER PLANIKNG OVER FUEL TANK F 3 1/B SHEET SUPPORT FOR LOWER EDGE OF WINOSH EUD GEON /B SHEET ALL WOOD -BALSA-UNLESS NOTED CAVALIER RADIO CONTROLLED SPORT 35 sheet 1 WINGAREA 1200 SR K rcsruAKJNb WING SPAN BO R-R2 DESIGNED DRAWN & TRACED front end fuselage has fixed cowl engine installed uprightagain simplicity easy starting good cooling main landing gear easy make having just three beds wire stalled after fuselage complete sim plifying phase construction strayed original goals used clear acetate cabin windows feel improvement appearance justifies extra work wing absolute simplicity basi cally scaled-up version type usually found small rubber-powered models one-piece wing V-dihedral use V8-in sheet wing tips things easy building would have difficult use wing hold-down bolts sheet covering distribute load feel holddown rubberbands keeping design allow lighter model would possible bolt-on system John Laycock hooks up rubberbands hold tail section early picture landing gear 1/8-in music wire Trexler wheels use Being too springy author changed 5/32-in wire low-bounce wheels did trick very nicely May 1984 35 6 ROLL MYLAR COVERING WING HORIZOKTATAIL THE WING AND HORIZONTA TAIL CAN BE COVERED USNG TWO 6 ROLLS GE MYAR COVERING I W NG II 11 KEEP DIHE SHEAR WE - n ~== AFT DIHEDRAL BRACE1/16 PLY FWD DIHEDRAL BRACE1/16 PLY 1/2 50 LEADING EDGE SCRAP BLOCK WING TIP TEMPLATE MAKE FROM CARD USE TEMPLATE TO TRIM SPARS LEADING EDGE AND TRAILING EDGE k 2 3/4 DIHEDRAL EACH WING AT THIS POINT SPLICE TYPIC AL 3/B SD IU WING TIP 2 REQUIRED i/B SHEET jTRIM AFTER ASSEMBLY WING RIB 20 REQUIRED 3/32 SHEET 1 REQUIRED 1/8 SHEET II 1 1/4 TRAILING EDGE STOCK Fuselage construction Start building sides over plan Use flat building board protect plan kitchen Mylar film such Saran Wrap Use 1/4-in sq medium grade balsa select straight est pieces longerons longeron splicing try method shown sheet two plansit works Also sanding fuselage crosspieces use sanding block method shown sheet two Use razor saw such Zona Saw cut crosspieces little longer required finish length sanding block used cya noacrylate CyA glue throughout except needed extra strength used 5-mm epoxy didnt build second side top first method works fine AB Vs sq longerons cum bersome size fuselage first side complete remove plans flip over check joints Add extra glue required Build second side Cut out firewall formers Fl F2 important made accurately squareness fuselage 36 Model Aviation See tiny bumps underside wing stabilizer tips Skids recommended big wing light loading tend tip model ground crosswind FULL-SIZE PLANS AVAILABLE. SEE PAGE 180 MEDIUM GARNET SANDING BLOCK PAPER 1OLD BALSA STRrP AND SLIDE SANDING BOCK THIS METHOD OF SANDING THE FUSELAGE AND TAIL CROSS MEMBERS WILL ENSURE ACCURATE JOINTS OUR 3/B SC 1/4 DOWE REQUIRED WITH REMOVABE TAIL VERSION 1/B SHEET RIB VW 0 DIHEDRAL BRACE EPOXY IN PLACE WINO TEMPLATE ____________________ _______________________ _____________ fi 2 1 l/4 -1/16 PLY EPOXY IN PLACE FIBER GLASS OR LINEN -EPOXY 1 3/32 MUSIC WIRE UNCOVERED N FOR HOLD DOWN RUBBER BANDS K~LEAVE EXTEND TO REAR SPARz13/BX 1 1/2 FOR FIXED TAIL VERSION REAR SPAR HINGE-4 PLACES STRAIGHT PINS APT DIHEDRAL BRACE EPOXY IN PLACE ALSA STRIPS TOGETHER DURING CUTTING AND SANDING FOR GOOD JOINT METHOD OF SPLICING LONGERONS AND SPARS CAVALIER SHEET 2 REQUIRED ONLY FOR REMOVABLE TAIL VERSION depends Now good time form main landing gear Use cutoff wheel drill motor cut 5/32-in-dia music wire should wearing safety glasses doing kind work Locate drill holes three J-bolts dont finalassemble main gear former time Its lot easier work fuselage youre apt stabbed landing gear Epoxy firewall formers side fuselage use square keep formers true hardened epoxy second side Again careful maintain squareness epoxy second side has hardened pull back end fuselage together add crosspieces Complete fuselage shown plans Add engine mount platform fuel tank didnt fuel-proof fuel tank compartment did make sure fuel tank cap properly tightened Install fuel tubing through firewall before closing off compartment Seal ends tubes keep out sanding dust Also identify tubes correct hookup laterContinued page 135 May 1984 37 EB -1/16 SHEETAL GRAIN Li\ 0123SS Enya 35 nose looks almost lost total size Cavalier Its large size gives plane docile flight characteristics has controls elevator rudder engine Fun/Winter Continued page 28 modest figure still lot choppers modeling world have others course including rotor span 10 ft Army An other requirement magazine s selection sales above $100000 less $15000000 drone connection Although first patented remotely-piloted vehicle drone dated WW days until WW II RPVs became practical part military hardware mainly lifelike targets Things like OQ2A remembered modelers later full-scale all-wood Culver Ca det About 12 ft span generous dihedral OQ2A powered Mc Culloch engine Ive told thing 5 10 hp up 18 looked like overblown Outdoor Rub ber job flat-topped triangular cross-sectioned fuselage thing catapulted shock cord off long launcher open-frame tubular con struction could hit 175 retrieval hit shut down engine popped chute top hatch first Mirror Meet 1947 Grummans Bethpage Long Island Army demonstrated three Wild man shot vertically over head heard did see thunderous impact concrete runway under Good Humor truck As Free Flight er knew what expect An other tore up sky until pilot goofed radio glitched demolish ing chicken coop its feathered habitants So heres Warren Anderson started Ohlsson 23 FF Gas jobs before WW II military assignments writes crew chief Radio Airplane Target Detachment flying OQ 2A drones first crew trained Army personnel Fort Bliss TX 1943 related us Good brothers taken RC idea several military units unable stir up much interest Finally US Cavalry accepted idea ac cording developed OQ2A wonder what Walt Good has say about Reginald Denny involved early manufacturing plane Mr Smith pointed out article merican Aircraft Modeler March 1971 picture took Radioplane plant 1943 shows both Smith Denny Reginald Denny handsome movie actor considerable fame truly good guy aviation Im going check out believe Reginald pilot interested air schools certainly major model airplane manufacturer advertised heavily mags grand FF Gas model kit Dennyplane fondly-re membered engine Dennymite Dennyplane famous day round-nosed aluminum cowl highwinged cabin model flew superb ly gosh looked like full-size plane lot people recent years have built thanks Doc Mathews revival January 1977 Model Aviation Plan No 169 $4 Power 19 25 Denny far cellu loid hero us Youll love Dennyplane Incidentally Radioplane produced 13935 drones under three designations Bill Winter 4426 Altura Ct Fairfax VA 22030 Cavalier/Laycock Continued oaoe 37 Epoxy balsa blocks place engine cowl Shape sand final contour keep very sharp chisel handy shaping carving balsa find faster using razor blades knife Use chisel carve close final size finish sanding Add gussets windshield side windows affixed contact cement engine compartment given two coats epoxy paint little tricky paint around engine mount used long cotton swab inserted through drain Continued page 138 May1984 135 ILZUZL a/c 361 Iso RoadSan Antonio TX 73216 512 414712 FUTABA 7FGKFM23395 6FGK FMSOLD OUT 7FGK18495 6FGK16495 5FGK15495 6FG15495 4FG14995 4L3-5/2810495 2F2/S-28-R4H7495 S-28SERVO1895 5-32SERVO2595 COVERINGS Monokote Opaque 3 Rolls1695 Monokoge Trans. 3 Rolls1695 Monokote Met. 3 Rolls2095 CYANOACRYLATE Hot Stuff HS-t e169 Itol Stuff HSTl /z Ounce169 Hot Stuff HS-4 2 Ounce589 Hot Stuff HST-4 2 Ounce539 Slot Shot245 Jet Ouncet79 Super Jet e179 Jet 2 Ounce599 Super Jet 2 Ounce599 EPOXY GLUE Deveon 30 Minute 9 Ounce595 Devrou 5 Minute 9 Ounce595 Hobbypoxy 113 Ounce359 tiobbypoxy IV 3 Ounce559 Hobbypoxy III 3 Ounce295 SULLIVAN HT #600 Starter2795 HTD #601 Starter3095 HTD24 #602 Starter3295 PLEASE NOTE Prices subject change manufacturers prices change items subject availability time sale Prices effect until next Model Aviation Issue Show room prices may slightly higher Visit show room San Antonio jW discount price list refunded first order Shipping& Handling Prepaid orders S300 COD Credit Card orders 5595 Overseas orders add estimated shipping 25% deposit re4uired first lime COD 55% sates tax required Texas residents Personal checks delay shipping 15 days Cavalier/Laycock Continued oaae 135 hole get below engine mount better have too much paint enough ready cover fuselage now time add main landing gear After covering add tail wheel assembly wing tail hold-down dowels tray method radio installation has worked fine Use epoxy mount tray Incidentally tray strengthens center fuselage sure about getting center gravity CG lo cated correctly install radio tray last move fore aft get proper balance position Wing Once ribs cut wing panels assemble quite fast Incidentally four ribs can cut 3 x 36-in sheet made rib template As ply splicing two pieces together make big enough piece Build wing half flat plan Before joining two wing halves com plete wing tips easier work just half wing number ways join wing halves have favorite means go ahead use method works well follows As build wing half trim spars leading trailing edges correct length dihedral angle dihedral angle template very useful worth effort necessary make Build both wing halves add Vs-in center rib wing half Blockup half bring two halves together check fit satisfied glue epoxy Now have complete wing needing dihedral reinforcing Carefully slot center ribs dihedral braces Glue epoxy clamp place Finally add shear webs wing ready final sanding Tail Construction straightforward Square ends crosspieces sanding block careful cutting slots hinges Unless hinge pins exactly line will take extra force move control surface putting extra load radio servo battery Whether make tail assembly remov able epoxy permanently fuselage usually depends space ve hicle mid-sized two-door Ameri can car can carry wing inside pas senger area fuselage removable tail carried trunk transporta tion permits one-piece fuselage tail build wayyoull save yourself some extra work Finishing used translucent Super Mono Kote looks great built-up fuselage also adds sense being light weight wing tail can covered two rolls pieces cut shown plan use method make Super MonoKote lap joint over wing rib dont shrink part until whole wing has covered Make sure lap joint well-sealed use regular house hold iron final shrinking trim around windows used /4-in pressure-sensitive tape After cover ing add tip skids wing horizon tal taildont fly holding wing down make six 10-in loops use 20 rubber -in rubber strip Flying will find Cavalier easy plane fly However havent flown multi-channel RC before suggest have qualified flier help during early flights Cavalier doesnt have vices Its likely ground-loop take off landing Basic commonsense rules apply take off make sure model heading directly wind important lightly-loaded models such Cavalier Landings fun final approach should directly wind Cut engine throttle idle Add up-elevator trim establish glide start flare-out model about six feet above ground Keep giving vp-elevator until touch-down stick should way back point As takeoff very little roll windy weather dont attempt taxiing Once model turned crosswind wind will tend flip over does very little damage modelthe wing strongbut does spoil otherwise good landing usually kill engine carry model back pits Have fun building flying Cavalier Its model pushing state art honest goodness fun flier Radio Technique/Myers Continued page 39 ary 1982 MA page 30 can used monitoring tool arent flying can go off flight line about 500 feet plug Bird-dog airplane turn ON try find out whats hap pening channel unit draws quite bit flight pack about 300 mA use Ace Fast Field Charger 34K40 similar device put back what take out before flying youre too thrilled idea running down flight pack heres another approach Figure 3 shows Ace Sil ver Seven transmitter modified addi tion small RC receiver loudspeaker inside set could likewise Since have 5R900 battery pack trans mitter expanded-scale voltmeter front panel small current drawn monitoring no concern switch back transmitter selects either Monitor Transmitter function thought playing might plug receiver crystal monitor check channel before 138 Model Aviation RIC SCALE PLANS Curtlsn Hawk P44 60 apan 1500 aq I. lieu$3495 Aeronca Modal K-193731apan$1995 Piper Sup Cub Cnalnar PA-I 2 31 upas. S 1995 Piper Pacar PA-20 39 span Vs Scat$2995 Piper Trl-PncerPA-22 39 span V Scale 5 DH-85 Leopard Moth l11tpas /Scal#$1995 DH.80A Puns Moth ill apes VScaIe$1995 Sphsks Akronsa afar 60 spas Ill Scala$1495 Send SelfAddreaaed Stamped Envelope Complete List HOBBY CAPITOL RIC 46 N Oak St. Ventura CA 93001
Edition: Model Aviation - 1984/05
Page Numbers: 30, 31, 32, 33, 34, 35, 36, 37, 135, 138
THIS IS SPORT Old-Timer excellent s first model lots fun flier nn gear has no te loop Cavalier htweight ma L rour-cycle horns mv Eny m adequi te cc tuft sh~ Ss cb~ mxli hardiiv good luck airfoil fact didnt build washout wing high-wing layout slow fly ing characteristics didnt justify keeping design criterion keep light companion desire keep simple case keeping simple means fast building found out hard way lot time can eaten up complicated construction tried benefit building design experience including some innovative ideas Cav alier Maybe some will obvious have used times before What Ive done pick out ones have worked put together design Some areas kept simple light follow fuselage construction decided use longeron crosspiece method instead common sheet construction can argued sheet simpler building way lot lighter covered fuselage very strong wanted avoid loose cowl So times fasteners get lost dont work cowl ends up being held rubberbands worse left off So 32 Model Aviation t Theres plenty room three servos foamwrapped battery raculvor mnsteaa OT runneroanas tne author uses tension springs mede 015 music wire hold battery receiver wind spring clamps hand drill bench vise chucks piece 1/8-in drill rod sticks end music wire between chuck jaws turns hand drill Voilal Right cowl upper lower permanently glued place avoiding sometimes-problem loose pieces handy needle valve extension brass tubing wea soldered few hand flips author brings engine life Cavalier ready another flight Wed recommend having model restrained helper starting possible avoid danger getting hand wrist caught spinning prop Falk picture IlK 3/8 SQ ALL PIN RUDDER FRAMING 3/8 SHEET FCAMS 3/BX IALL CONTOURS 3/32 M WIRE ELEItR TIE IIJ 1/16 PlY WOOD REtJF 3/8XIT EDGE 1/16 PLYWOOD BRACES FRONT BACK OF SWR AT C/S ONLY L4 SHEET WING CRADLE BANDS HOLD TAIL TO I/B DOWELS 1/4 CRADLE 9JPPORTS FOR ONE PIECE WING BALSA FORM FOR1/4 DOWEL WINDSHIELD F 1 1/8 PLYWOOD SHEET 1/8 SHEET PLAMING COWL II / 7/ 77 3/8 50 FR4MES WHEEL ON STEERABLE WE THRU NYLON I/8PLY PIATM Win-I ALIGN DOWELS FOR TAIL REMOVAL ON I/B PLYWOOD iD BOTTOM I$4SQ FUSELAGE FRAMING AND LONGERONS 1/4 DOWEL W ING I-IOLD DOWNS 7 V4T EDGE ENVA 35 ON HAYES MOUNT BALSA BLOCKS FORM FIXED COWL -x -7 K 7 L I$4PLYWOOD FIREWALL I/B SHEET FOR TRAY SIDESAfl FL IlSIDE LDONS 1/4 SHEET BALSA BRACtIG 1/16 PLYWOOD SERVO TRAYS 1/8 SHEET BALSA BOXES FOR RADIO BATTERIES F 2 1/8 SHEET FRAMING 1/16 PLYWOOD WING REAR SPAR Ci ONLY 7 7 7 FRONTANDBACK 3/8 50 HARD UPPER LOWER SPARS Vs SHEET WEBS FtJT SPAR GLYI/B SHEET liPS FORM 3/32 SHEET RIBS 1/2 50 LEDGE INTO RIB tIO1tHES 31/4 WHEELS ON 5/32MWIRE U-BOLT TO F 1 BULKHEAD Li APER BEFORE INSTALLING ON FUSELAGE WINDSHIELD FLAT P 015 BUTYRATE SHI F 117 ENGINE MOUNT HAYES OR EOUIVAUENT 5/32 MUSIC WIRE H Ii 1/4 FOAM 3/4x 1 BLOCK CUT GROOVE FOR 1/4 DOWEL BEFORE GLUING INSERT DOWEL AFTER INSTALLING WINDSHIELD B ENYA 35 SI-lOAN 1/4 DOWEL B oz CLUNA TANK PRESSURE TAP NOT USED WINO DIHEDRAL3 DOWN THRUST NO SCALE CO NOSE BLOCK TAILA \F3D15B /I' ---F4 BLOCKAFlEPOXY IN 1/2 BLOCK DRAIN HOLE DRAIN SHEETSCRAP1/4 SHEET PLANKING TANKTRIM AFTER1/4 SHEET 1 BLOCKREMOVING FROM PLANS1/4SHEET LEAVE OUT UNTIL LANDING GEAR IS INSTALLED 1/B 3/4 SHEET oSHEET BALSA NOT SCRAP1/B SHEET REQUIRED ON BOTTOM OF FUSELAGE SECTION A-A 3 1/A WHEELS tail section authors model made removable held rubberbands big model could easily fit particular car yours has plenty room could permanently mount tail surfaces save bit assembly/disassembly time flying session 34 Model Aviation HOOKS FOR HOLD DOWN RUBBER BANDS SECTION B B 1/BSHEET FULL-SIZE PLANS AVAILABLE . SEE PAGE 180 - NOTCH FOR SERVO LEADS II B-B MAKE CUT-OUTS TO SUIT YOUR RADIO 1/B PLY RADIO TRAY 1/1K PLY HOLE FOR 1/4 DOWEL REMOVABLE TAIL VERSION SIMILAR EXCEPT ADD DOWELS AND 1/1K PLY HINGE 3 PLACES SECURE WITH STRAIGHT PINS -J Li 5/1K DA I 3/B SHEET HARDWOOD DOWEL NTROL CABE1/4SHEET P2 3 TAPE HEET1/BSHEET 1/4503/B SO VV4 DOWELI 3/1K DOXEL-REDUIREDr WITH REMOVABLE3/B TRIANGULAR STOCK TAIL ASSEMBLY 3/Bs 314 1/4SIEETI--/-1[ I I i/SHEET 7 1/B SHEET P2 13/4 WHEEL 1/B SHEET1/B PLY SPLICE1/4 50 /TAPER IALON TAIL WHEEL OUTLINE OF FUSELAGEBRACKET EPOXY IN PLACE SIDE BWLT ON PLANS CUT SLOT FOR TAB TAIL,PUASTIC TUBING WHEEL DETAIL TBNDWWRE AND SOUTER 1/lA MUSIC WIRE NYLON PUSH ROD GUIDE GLUE TO P3 AFTER PLANIKNG OVER FUEL TANK F 3 1/B SHEET SUPPORT FOR LOWER EDGE OF WINOSH EUD GEON /B SHEET ALL WOOD -BALSA-UNLESS NOTED CAVALIER RADIO CONTROLLED SPORT 35 sheet 1 WINGAREA 1200 SR K rcsruAKJNb WING SPAN BO R-R2 DESIGNED DRAWN & TRACED front end fuselage has fixed cowl engine installed uprightagain simplicity easy starting good cooling main landing gear easy make having just three beds wire stalled after fuselage complete sim plifying phase construction strayed original goals used clear acetate cabin windows feel improvement appearance justifies extra work wing absolute simplicity basi cally scaled-up version type usually found small rubber-powered models one-piece wing V-dihedral use V8-in sheet wing tips things easy building would have difficult use wing hold-down bolts sheet covering distribute load feel holddown rubberbands keeping design allow lighter model would possible bolt-on system John Laycock hooks up rubberbands hold tail section early picture landing gear 1/8-in music wire Trexler wheels use Being too springy author changed 5/32-in wire low-bounce wheels did trick very nicely May 1984 35 6 ROLL MYLAR COVERING WING HORIZOKTATAIL THE WING AND HORIZONTA TAIL CAN BE COVERED USNG TWO 6 ROLLS GE MYAR COVERING I W NG II 11 KEEP DIHE SHEAR WE - n ~== AFT DIHEDRAL BRACE1/16 PLY FWD DIHEDRAL BRACE1/16 PLY 1/2 50 LEADING EDGE SCRAP BLOCK WING TIP TEMPLATE MAKE FROM CARD USE TEMPLATE TO TRIM SPARS LEADING EDGE AND TRAILING EDGE k 2 3/4 DIHEDRAL EACH WING AT THIS POINT SPLICE TYPIC AL 3/B SD IU WING TIP 2 REQUIRED i/B SHEET jTRIM AFTER ASSEMBLY WING RIB 20 REQUIRED 3/32 SHEET 1 REQUIRED 1/8 SHEET II 1 1/4 TRAILING EDGE STOCK Fuselage construction Start building sides over plan Use flat building board protect plan kitchen Mylar film such Saran Wrap Use 1/4-in sq medium grade balsa select straight est pieces longerons longeron splicing try method shown sheet two plansit works Also sanding fuselage crosspieces use sanding block method shown sheet two Use razor saw such Zona Saw cut crosspieces little longer required finish length sanding block used cya noacrylate CyA glue throughout except needed extra strength used 5-mm epoxy didnt build second side top first method works fine AB Vs sq longerons cum bersome size fuselage first side complete remove plans flip over check joints Add extra glue required Build second side Cut out firewall formers Fl F2 important made accurately squareness fuselage 36 Model Aviation See tiny bumps underside wing stabilizer tips Skids recommended big wing light loading tend tip model ground crosswind FULL-SIZE PLANS AVAILABLE. SEE PAGE 180 MEDIUM GARNET SANDING BLOCK PAPER 1OLD BALSA STRrP AND SLIDE SANDING BOCK THIS METHOD OF SANDING THE FUSELAGE AND TAIL CROSS MEMBERS WILL ENSURE ACCURATE JOINTS OUR 3/B SC 1/4 DOWE REQUIRED WITH REMOVABE TAIL VERSION 1/B SHEET RIB VW 0 DIHEDRAL BRACE EPOXY IN PLACE WINO TEMPLATE ____________________ _______________________ _____________ fi 2 1 l/4 -1/16 PLY EPOXY IN PLACE FIBER GLASS OR LINEN -EPOXY 1 3/32 MUSIC WIRE UNCOVERED N FOR HOLD DOWN RUBBER BANDS K~LEAVE EXTEND TO REAR SPARz13/BX 1 1/2 FOR FIXED TAIL VERSION REAR SPAR HINGE-4 PLACES STRAIGHT PINS APT DIHEDRAL BRACE EPOXY IN PLACE ALSA STRIPS TOGETHER DURING CUTTING AND SANDING FOR GOOD JOINT METHOD OF SPLICING LONGERONS AND SPARS CAVALIER SHEET 2 REQUIRED ONLY FOR REMOVABLE TAIL VERSION depends Now good time form main landing gear Use cutoff wheel drill motor cut 5/32-in-dia music wire should wearing safety glasses doing kind work Locate drill holes three J-bolts dont finalassemble main gear former time Its lot easier work fuselage youre apt stabbed landing gear Epoxy firewall formers side fuselage use square keep formers true hardened epoxy second side Again careful maintain squareness epoxy second side has hardened pull back end fuselage together add crosspieces Complete fuselage shown plans Add engine mount platform fuel tank didnt fuel-proof fuel tank compartment did make sure fuel tank cap properly tightened Install fuel tubing through firewall before closing off compartment Seal ends tubes keep out sanding dust Also identify tubes correct hookup laterContinued page 135 May 1984 37 EB -1/16 SHEETAL GRAIN Li\ 0123SS Enya 35 nose looks almost lost total size Cavalier Its large size gives plane docile flight characteristics has controls elevator rudder engine Fun/Winter Continued page 28 modest figure still lot choppers modeling world have others course including rotor span 10 ft Army An other requirement magazine s selection sales above $100000 less $15000000 drone connection Although first patented remotely-piloted vehicle drone dated WW days until WW II RPVs became practical part military hardware mainly lifelike targets Things like OQ2A remembered modelers later full-scale all-wood Culver Ca det About 12 ft span generous dihedral OQ2A powered Mc Culloch engine Ive told thing 5 10 hp up 18 looked like overblown Outdoor Rub ber job flat-topped triangular cross-sectioned fuselage thing catapulted shock cord off long launcher open-frame tubular con struction could hit 175 retrieval hit shut down engine popped chute top hatch first Mirror Meet 1947 Grummans Bethpage Long Island Army demonstrated three Wild man shot vertically over head heard did see thunderous impact concrete runway under Good Humor truck As Free Flight er knew what expect An other tore up sky until pilot goofed radio glitched demolish ing chicken coop its feathered habitants So heres Warren Anderson started Ohlsson 23 FF Gas jobs before WW II military assignments writes crew chief Radio Airplane Target Detachment flying OQ 2A drones first crew trained Army personnel Fort Bliss TX 1943 related us Good brothers taken RC idea several military units unable stir up much interest Finally US Cavalry accepted idea ac cording developed OQ2A wonder what Walt Good has say about Reginald Denny involved early manufacturing plane Mr Smith pointed out article merican Aircraft Modeler March 1971 picture took Radioplane plant 1943 shows both Smith Denny Reginald Denny handsome movie actor considerable fame truly good guy aviation Im going check out believe Reginald pilot interested air schools certainly major model airplane manufacturer advertised heavily mags grand FF Gas model kit Dennyplane fondly-re membered engine Dennymite Dennyplane famous day round-nosed aluminum cowl highwinged cabin model flew superb ly gosh looked like full-size plane lot people recent years have built thanks Doc Mathews revival January 1977 Model Aviation Plan No 169 $4 Power 19 25 Denny far cellu loid hero us Youll love Dennyplane Incidentally Radioplane produced 13935 drones under three designations Bill Winter 4426 Altura Ct Fairfax VA 22030 Cavalier/Laycock Continued oaoe 37 Epoxy balsa blocks place engine cowl Shape sand final contour keep very sharp chisel handy shaping carving balsa find faster using razor blades knife Use chisel carve close final size finish sanding Add gussets windshield side windows affixed contact cement engine compartment given two coats epoxy paint little tricky paint around engine mount used long cotton swab inserted through drain Continued page 138 May1984 135 ILZUZL a/c 361 Iso RoadSan Antonio TX 73216 512 414712 FUTABA 7FGKFM23395 6FGK FMSOLD OUT 7FGK18495 6FGK16495 5FGK15495 6FG15495 4FG14995 4L3-5/2810495 2F2/S-28-R4H7495 S-28SERVO1895 5-32SERVO2595 COVERINGS Monokote Opaque 3 Rolls1695 Monokoge Trans. 3 Rolls1695 Monokote Met. 3 Rolls2095 CYANOACRYLATE Hot Stuff HS-t e169 Itol Stuff HSTl /z Ounce169 Hot Stuff HS-4 2 Ounce589 Hot Stuff HST-4 2 Ounce539 Slot Shot245 Jet Ouncet79 Super Jet e179 Jet 2 Ounce599 Super Jet 2 Ounce599 EPOXY GLUE Deveon 30 Minute 9 Ounce595 Devrou 5 Minute 9 Ounce595 Hobbypoxy 113 Ounce359 tiobbypoxy IV 3 Ounce559 Hobbypoxy III 3 Ounce295 SULLIVAN HT #600 Starter2795 HTD #601 Starter3095 HTD24 #602 Starter3295 PLEASE NOTE Prices subject change manufacturers prices change items subject availability time sale Prices effect until next Model Aviation Issue Show room prices may slightly higher Visit show room San Antonio jW discount price list refunded first order Shipping& Handling Prepaid orders S300 COD Credit Card orders 5595 Overseas orders add estimated shipping 25% deposit re4uired first lime COD 55% sates tax required Texas residents Personal checks delay shipping 15 days Cavalier/Laycock Continued oaae 135 hole get below engine mount better have too much paint enough ready cover fuselage now time add main landing gear After covering add tail wheel assembly wing tail hold-down dowels tray method radio installation has worked fine Use epoxy mount tray Incidentally tray strengthens center fuselage sure about getting center gravity CG lo cated correctly install radio tray last move fore aft get proper balance position Wing Once ribs cut wing panels assemble quite fast Incidentally four ribs can cut 3 x 36-in sheet made rib template As ply splicing two pieces together make big enough piece Build wing half flat plan Before joining two wing halves com plete wing tips easier work just half wing number ways join wing halves have favorite means go ahead use method works well follows As build wing half trim spars leading trailing edges correct length dihedral angle dihedral angle template very useful worth effort necessary make Build both wing halves add Vs-in center rib wing half Blockup half bring two halves together check fit satisfied glue epoxy Now have complete wing needing dihedral reinforcing Carefully slot center ribs dihedral braces Glue epoxy clamp place Finally add shear webs wing ready final sanding Tail Construction straightforward Square ends crosspieces sanding block careful cutting slots hinges Unless hinge pins exactly line will take extra force move control surface putting extra load radio servo battery Whether make tail assembly remov able epoxy permanently fuselage usually depends space ve hicle mid-sized two-door Ameri can car can carry wing inside pas senger area fuselage removable tail carried trunk transporta tion permits one-piece fuselage tail build wayyoull save yourself some extra work Finishing used translucent Super Mono Kote looks great built-up fuselage also adds sense being light weight wing tail can covered two rolls pieces cut shown plan use method make Super MonoKote lap joint over wing rib dont shrink part until whole wing has covered Make sure lap joint well-sealed use regular house hold iron final shrinking trim around windows used /4-in pressure-sensitive tape After cover ing add tip skids wing horizon tal taildont fly holding wing down make six 10-in loops use 20 rubber -in rubber strip Flying will find Cavalier easy plane fly However havent flown multi-channel RC before suggest have qualified flier help during early flights Cavalier doesnt have vices Its likely ground-loop take off landing Basic commonsense rules apply take off make sure model heading directly wind important lightly-loaded models such Cavalier Landings fun final approach should directly wind Cut engine throttle idle Add up-elevator trim establish glide start flare-out model about six feet above ground Keep giving vp-elevator until touch-down stick should way back point As takeoff very little roll windy weather dont attempt taxiing Once model turned crosswind wind will tend flip over does very little damage modelthe wing strongbut does spoil otherwise good landing usually kill engine carry model back pits Have fun building flying Cavalier Its model pushing state art honest goodness fun flier Radio Technique/Myers Continued page 39 ary 1982 MA page 30 can used monitoring tool arent flying can go off flight line about 500 feet plug Bird-dog airplane turn ON try find out whats hap pening channel unit draws quite bit flight pack about 300 mA use Ace Fast Field Charger 34K40 similar device put back what take out before flying youre too thrilled idea running down flight pack heres another approach Figure 3 shows Ace Sil ver Seven transmitter modified addi tion small RC receiver loudspeaker inside set could likewise Since have 5R900 battery pack trans mitter expanded-scale voltmeter front panel small current drawn monitoring no concern switch back transmitter selects either Monitor Transmitter function thought playing might plug receiver crystal monitor check channel before 138 Model Aviation RIC SCALE PLANS Curtlsn Hawk P44 60 apan 1500 aq I. lieu$3495 Aeronca Modal K-193731apan$1995 Piper Sup Cub Cnalnar PA-I 2 31 upas. S 1995 Piper Pacar PA-20 39 span Vs Scat$2995 Piper Trl-PncerPA-22 39 span V Scale 5 DH-85 Leopard Moth l11tpas /Scal#$1995 DH.80A Puns Moth ill apes VScaIe$1995 Sphsks Akronsa afar 60 spas Ill Scala$1495 Send SelfAddreaaed Stamped Envelope Complete List HOBBY CAPITOL RIC 46 N Oak St. Ventura CA 93001
Edition: Model Aviation - 1984/05
Page Numbers: 30, 31, 32, 33, 34, 35, 36, 37, 135, 138
THIS IS SPORT Old-Timer excellent s first model lots fun flier nn gear has no te loop Cavalier htweight ma L rour-cycle horns mv Eny m adequi te cc tuft sh~ Ss cb~ mxli hardiiv good luck airfoil fact didnt build washout wing high-wing layout slow fly ing characteristics didnt justify keeping design criterion keep light companion desire keep simple case keeping simple means fast building found out hard way lot time can eaten up complicated construction tried benefit building design experience including some innovative ideas Cav alier Maybe some will obvious have used times before What Ive done pick out ones have worked put together design Some areas kept simple light follow fuselage construction decided use longeron crosspiece method instead common sheet construction can argued sheet simpler building way lot lighter covered fuselage very strong wanted avoid loose cowl So times fasteners get lost dont work cowl ends up being held rubberbands worse left off So 32 Model Aviation t Theres plenty room three servos foamwrapped battery raculvor mnsteaa OT runneroanas tne author uses tension springs mede 015 music wire hold battery receiver wind spring clamps hand drill bench vise chucks piece 1/8-in drill rod sticks end music wire between chuck jaws turns hand drill Voilal Right cowl upper lower permanently glued place avoiding sometimes-problem loose pieces handy needle valve extension brass tubing wea soldered few hand flips author brings engine life Cavalier ready another flight Wed recommend having model restrained helper starting possible avoid danger getting hand wrist caught spinning prop Falk picture IlK 3/8 SQ ALL PIN RUDDER FRAMING 3/8 SHEET FCAMS 3/BX IALL CONTOURS 3/32 M WIRE ELEItR TIE IIJ 1/16 PlY WOOD REtJF 3/8XIT EDGE 1/16 PLYWOOD BRACES FRONT BACK OF SWR AT C/S ONLY L4 SHEET WING CRADLE BANDS HOLD TAIL TO I/B DOWELS 1/4 CRADLE 9JPPORTS FOR ONE PIECE WING BALSA FORM FOR1/4 DOWEL WINDSHIELD F 1 1/8 PLYWOOD SHEET 1/8 SHEET PLAMING COWL II / 7/ 77 3/8 50 FR4MES WHEEL ON STEERABLE WE THRU NYLON I/8PLY PIATM Win-I ALIGN DOWELS FOR TAIL REMOVAL ON I/B PLYWOOD iD BOTTOM I$4SQ FUSELAGE FRAMING AND LONGERONS 1/4 DOWEL W ING I-IOLD DOWNS 7 V4T EDGE ENVA 35 ON HAYES MOUNT BALSA BLOCKS FORM FIXED COWL -x -7 K 7 L I$4PLYWOOD FIREWALL I/B SHEET FOR TRAY SIDESAfl FL IlSIDE LDONS 1/4 SHEET BALSA BRACtIG 1/16 PLYWOOD SERVO TRAYS 1/8 SHEET BALSA BOXES FOR RADIO BATTERIES F 2 1/8 SHEET FRAMING 1/16 PLYWOOD WING REAR SPAR Ci ONLY 7 7 7 FRONTANDBACK 3/8 50 HARD UPPER LOWER SPARS Vs SHEET WEBS FtJT SPAR GLYI/B SHEET liPS FORM 3/32 SHEET RIBS 1/2 50 LEDGE INTO RIB tIO1tHES 31/4 WHEELS ON 5/32MWIRE U-BOLT TO F 1 BULKHEAD Li APER BEFORE INSTALLING ON FUSELAGE WINDSHIELD FLAT P 015 BUTYRATE SHI F 117 ENGINE MOUNT HAYES OR EOUIVAUENT 5/32 MUSIC WIRE H Ii 1/4 FOAM 3/4x 1 BLOCK CUT GROOVE FOR 1/4 DOWEL BEFORE GLUING INSERT DOWEL AFTER INSTALLING WINDSHIELD B ENYA 35 SI-lOAN 1/4 DOWEL B oz CLUNA TANK PRESSURE TAP NOT USED WINO DIHEDRAL3 DOWN THRUST NO SCALE CO NOSE BLOCK TAILA \F3D15B /I' ---F4 BLOCKAFlEPOXY IN 1/2 BLOCK DRAIN HOLE DRAIN SHEETSCRAP1/4 SHEET PLANKING TANKTRIM AFTER1/4 SHEET 1 BLOCKREMOVING FROM PLANS1/4SHEET LEAVE OUT UNTIL LANDING GEAR IS INSTALLED 1/B 3/4 SHEET oSHEET BALSA NOT SCRAP1/B SHEET REQUIRED ON BOTTOM OF FUSELAGE SECTION A-A 3 1/A WHEELS tail section authors model made removable held rubberbands big model could easily fit particular car yours has plenty room could permanently mount tail surfaces save bit assembly/disassembly time flying session 34 Model Aviation HOOKS FOR HOLD DOWN RUBBER BANDS SECTION B B 1/BSHEET FULL-SIZE PLANS AVAILABLE . SEE PAGE 180 - NOTCH FOR SERVO LEADS II B-B MAKE CUT-OUTS TO SUIT YOUR RADIO 1/B PLY RADIO TRAY 1/1K PLY HOLE FOR 1/4 DOWEL REMOVABLE TAIL VERSION SIMILAR EXCEPT ADD DOWELS AND 1/1K PLY HINGE 3 PLACES SECURE WITH STRAIGHT PINS -J Li 5/1K DA I 3/B SHEET HARDWOOD DOWEL NTROL CABE1/4SHEET P2 3 TAPE HEET1/BSHEET 1/4503/B SO VV4 DOWELI 3/1K DOXEL-REDUIREDr WITH REMOVABLE3/B TRIANGULAR STOCK TAIL ASSEMBLY 3/Bs 314 1/4SIEETI--/-1[ I I i/SHEET 7 1/B SHEET P2 13/4 WHEEL 1/B SHEET1/B PLY SPLICE1/4 50 /TAPER IALON TAIL WHEEL OUTLINE OF FUSELAGEBRACKET EPOXY IN PLACE SIDE BWLT ON PLANS CUT SLOT FOR TAB TAIL,PUASTIC TUBING WHEEL DETAIL TBNDWWRE AND SOUTER 1/lA MUSIC WIRE NYLON PUSH ROD GUIDE GLUE TO P3 AFTER PLANIKNG OVER FUEL TANK F 3 1/B SHEET SUPPORT FOR LOWER EDGE OF WINOSH EUD GEON /B SHEET ALL WOOD -BALSA-UNLESS NOTED CAVALIER RADIO CONTROLLED SPORT 35 sheet 1 WINGAREA 1200 SR K rcsruAKJNb WING SPAN BO R-R2 DESIGNED DRAWN & TRACED front end fuselage has fixed cowl engine installed uprightagain simplicity easy starting good cooling main landing gear easy make having just three beds wire stalled after fuselage complete sim plifying phase construction strayed original goals used clear acetate cabin windows feel improvement appearance justifies extra work wing absolute simplicity basi cally scaled-up version type usually found small rubber-powered models one-piece wing V-dihedral use V8-in sheet wing tips things easy building would have difficult use wing hold-down bolts sheet covering distribute load feel holddown rubberbands keeping design allow lighter model would possible bolt-on system John Laycock hooks up rubberbands hold tail section early picture landing gear 1/8-in music wire Trexler wheels use Being too springy author changed 5/32-in wire low-bounce wheels did trick very nicely May 1984 35 6 ROLL MYLAR COVERING WING HORIZOKTATAIL THE WING AND HORIZONTA TAIL CAN BE COVERED USNG TWO 6 ROLLS GE MYAR COVERING I W NG II 11 KEEP DIHE SHEAR WE - n ~== AFT DIHEDRAL BRACE1/16 PLY FWD DIHEDRAL BRACE1/16 PLY 1/2 50 LEADING EDGE SCRAP BLOCK WING TIP TEMPLATE MAKE FROM CARD USE TEMPLATE TO TRIM SPARS LEADING EDGE AND TRAILING EDGE k 2 3/4 DIHEDRAL EACH WING AT THIS POINT SPLICE TYPIC AL 3/B SD IU WING TIP 2 REQUIRED i/B SHEET jTRIM AFTER ASSEMBLY WING RIB 20 REQUIRED 3/32 SHEET 1 REQUIRED 1/8 SHEET II 1 1/4 TRAILING EDGE STOCK Fuselage construction Start building sides over plan Use flat building board protect plan kitchen Mylar film such Saran Wrap Use 1/4-in sq medium grade balsa select straight est pieces longerons longeron splicing try method shown sheet two plansit works Also sanding fuselage crosspieces use sanding block method shown sheet two Use razor saw such Zona Saw cut crosspieces little longer required finish length sanding block used cya noacrylate CyA glue throughout except needed extra strength used 5-mm epoxy didnt build second side top first method works fine AB Vs sq longerons cum bersome size fuselage first side complete remove plans flip over check joints Add extra glue required Build second side Cut out firewall formers Fl F2 important made accurately squareness fuselage 36 Model Aviation See tiny bumps underside wing stabilizer tips Skids recommended big wing light loading tend tip model ground crosswind FULL-SIZE PLANS AVAILABLE. SEE PAGE 180 MEDIUM GARNET SANDING BLOCK PAPER 1OLD BALSA STRrP AND SLIDE SANDING BOCK THIS METHOD OF SANDING THE FUSELAGE AND TAIL CROSS MEMBERS WILL ENSURE ACCURATE JOINTS OUR 3/B SC 1/4 DOWE REQUIRED WITH REMOVABE TAIL VERSION 1/B SHEET RIB VW 0 DIHEDRAL BRACE EPOXY IN PLACE WINO TEMPLATE ____________________ _______________________ _____________ fi 2 1 l/4 -1/16 PLY EPOXY IN PLACE FIBER GLASS OR LINEN -EPOXY 1 3/32 MUSIC WIRE UNCOVERED N FOR HOLD DOWN RUBBER BANDS K~LEAVE EXTEND TO REAR SPARz13/BX 1 1/2 FOR FIXED TAIL VERSION REAR SPAR HINGE-4 PLACES STRAIGHT PINS APT DIHEDRAL BRACE EPOXY IN PLACE ALSA STRIPS TOGETHER DURING CUTTING AND SANDING FOR GOOD JOINT METHOD OF SPLICING LONGERONS AND SPARS CAVALIER SHEET 2 REQUIRED ONLY FOR REMOVABLE TAIL VERSION depends Now good time form main landing gear Use cutoff wheel drill motor cut 5/32-in-dia music wire should wearing safety glasses doing kind work Locate drill holes three J-bolts dont finalassemble main gear former time Its lot easier work fuselage youre apt stabbed landing gear Epoxy firewall formers side fuselage use square keep formers true hardened epoxy second side Again careful maintain squareness epoxy second side has hardened pull back end fuselage together add crosspieces Complete fuselage shown plans Add engine mount platform fuel tank didnt fuel-proof fuel tank compartment did make sure fuel tank cap properly tightened Install fuel tubing through firewall before closing off compartment Seal ends tubes keep out sanding dust Also identify tubes correct hookup laterContinued page 135 May 1984 37 EB -1/16 SHEETAL GRAIN Li\ 0123SS Enya 35 nose looks almost lost total size Cavalier Its large size gives plane docile flight characteristics has controls elevator rudder engine Fun/Winter Continued page 28 modest figure still lot choppers modeling world have others course including rotor span 10 ft Army An other requirement magazine s selection sales above $100000 less $15000000 drone connection Although first patented remotely-piloted vehicle drone dated WW days until WW II RPVs became practical part military hardware mainly lifelike targets Things like OQ2A remembered modelers later full-scale all-wood Culver Ca det About 12 ft span generous dihedral OQ2A powered Mc Culloch engine Ive told thing 5 10 hp up 18 looked like overblown Outdoor Rub ber job flat-topped triangular cross-sectioned fuselage thing catapulted shock cord off long launcher open-frame tubular con struction could hit 175 retrieval hit shut down engine popped chute top hatch first Mirror Meet 1947 Grummans Bethpage Long Island Army demonstrated three Wild man shot vertically over head heard did see thunderous impact concrete runway under Good Humor truck As Free Flight er knew what expect An other tore up sky until pilot goofed radio glitched demolish ing chicken coop its feathered habitants So heres Warren Anderson started Ohlsson 23 FF Gas jobs before WW II military assignments writes crew chief Radio Airplane Target Detachment flying OQ 2A drones first crew trained Army personnel Fort Bliss TX 1943 related us Good brothers taken RC idea several military units unable stir up much interest Finally US Cavalry accepted idea ac cording developed OQ2A wonder what Walt Good has say about Reginald Denny involved early manufacturing plane Mr Smith pointed out article merican Aircraft Modeler March 1971 picture took Radioplane plant 1943 shows both Smith Denny Reginald Denny handsome movie actor considerable fame truly good guy aviation Im going check out believe Reginald pilot interested air schools certainly major model airplane manufacturer advertised heavily mags grand FF Gas model kit Dennyplane fondly-re membered engine Dennymite Dennyplane famous day round-nosed aluminum cowl highwinged cabin model flew superb ly gosh looked like full-size plane lot people recent years have built thanks Doc Mathews revival January 1977 Model Aviation Plan No 169 $4 Power 19 25 Denny far cellu loid hero us Youll love Dennyplane Incidentally Radioplane produced 13935 drones under three designations Bill Winter 4426 Altura Ct Fairfax VA 22030 Cavalier/Laycock Continued oaoe 37 Epoxy balsa blocks place engine cowl Shape sand final contour keep very sharp chisel handy shaping carving balsa find faster using razor blades knife Use chisel carve close final size finish sanding Add gussets windshield side windows affixed contact cement engine compartment given two coats epoxy paint little tricky paint around engine mount used long cotton swab inserted through drain Continued page 138 May1984 135 ILZUZL a/c 361 Iso RoadSan Antonio TX 73216 512 414712 FUTABA 7FGKFM23395 6FGK FMSOLD OUT 7FGK18495 6FGK16495 5FGK15495 6FG15495 4FG14995 4L3-5/2810495 2F2/S-28-R4H7495 S-28SERVO1895 5-32SERVO2595 COVERINGS Monokote Opaque 3 Rolls1695 Monokoge Trans. 3 Rolls1695 Monokote Met. 3 Rolls2095 CYANOACRYLATE Hot Stuff HS-t e169 Itol Stuff HSTl /z Ounce169 Hot Stuff HS-4 2 Ounce589 Hot Stuff HST-4 2 Ounce539 Slot Shot245 Jet Ouncet79 Super Jet e179 Jet 2 Ounce599 Super Jet 2 Ounce599 EPOXY GLUE Deveon 30 Minute 9 Ounce595 Devrou 5 Minute 9 Ounce595 Hobbypoxy 113 Ounce359 tiobbypoxy IV 3 Ounce559 Hobbypoxy III 3 Ounce295 SULLIVAN HT #600 Starter2795 HTD #601 Starter3095 HTD24 #602 Starter3295 PLEASE NOTE Prices subject change manufacturers prices change items subject availability time sale Prices effect until next Model Aviation Issue Show room prices may slightly higher Visit show room San Antonio jW discount price list refunded first order Shipping& Handling Prepaid orders S300 COD Credit Card orders 5595 Overseas orders add estimated shipping 25% deposit re4uired first lime COD 55% sates tax required Texas residents Personal checks delay shipping 15 days Cavalier/Laycock Continued oaae 135 hole get below engine mount better have too much paint enough ready cover fuselage now time add main landing gear After covering add tail wheel assembly wing tail hold-down dowels tray method radio installation has worked fine Use epoxy mount tray Incidentally tray strengthens center fuselage sure about getting center gravity CG lo cated correctly install radio tray last move fore aft get proper balance position Wing Once ribs cut wing panels assemble quite fast Incidentally four ribs can cut 3 x 36-in sheet made rib template As ply splicing two pieces together make big enough piece Build wing half flat plan Before joining two wing halves com plete wing tips easier work just half wing number ways join wing halves have favorite means go ahead use method works well follows As build wing half trim spars leading trailing edges correct length dihedral angle dihedral angle template very useful worth effort necessary make Build both wing halves add Vs-in center rib wing half Blockup half bring two halves together check fit satisfied glue epoxy Now have complete wing needing dihedral reinforcing Carefully slot center ribs dihedral braces Glue epoxy clamp place Finally add shear webs wing ready final sanding Tail Construction straightforward Square ends crosspieces sanding block careful cutting slots hinges Unless hinge pins exactly line will take extra force move control surface putting extra load radio servo battery Whether make tail assembly remov able epoxy permanently fuselage usually depends space ve hicle mid-sized two-door Ameri can car can carry wing inside pas senger area fuselage removable tail carried trunk transporta tion permits one-piece fuselage tail build wayyoull save yourself some extra work Finishing used translucent Super Mono Kote looks great built-up fuselage also adds sense being light weight wing tail can covered two rolls pieces cut shown plan use method make Super MonoKote lap joint over wing rib dont shrink part until whole wing has covered Make sure lap joint well-sealed use regular house hold iron final shrinking trim around windows used /4-in pressure-sensitive tape After cover ing add tip skids wing horizon tal taildont fly holding wing down make six 10-in loops use 20 rubber -in rubber strip Flying will find Cavalier easy plane fly However havent flown multi-channel RC before suggest have qualified flier help during early flights Cavalier doesnt have vices Its likely ground-loop take off landing Basic commonsense rules apply take off make sure model heading directly wind important lightly-loaded models such Cavalier Landings fun final approach should directly wind Cut engine throttle idle Add up-elevator trim establish glide start flare-out model about six feet above ground Keep giving vp-elevator until touch-down stick should way back point As takeoff very little roll windy weather dont attempt taxiing Once model turned crosswind wind will tend flip over does very little damage modelthe wing strongbut does spoil otherwise good landing usually kill engine carry model back pits Have fun building flying Cavalier Its model pushing state art honest goodness fun flier Radio Technique/Myers Continued page 39 ary 1982 MA page 30 can used monitoring tool arent flying can go off flight line about 500 feet plug Bird-dog airplane turn ON try find out whats hap pening channel unit draws quite bit flight pack about 300 mA use Ace Fast Field Charger 34K40 similar device put back what take out before flying youre too thrilled idea running down flight pack heres another approach Figure 3 shows Ace Sil ver Seven transmitter modified addi tion small RC receiver loudspeaker inside set could likewise Since have 5R900 battery pack trans mitter expanded-scale voltmeter front panel small current drawn monitoring no concern switch back transmitter selects either Monitor Transmitter function thought playing might plug receiver crystal monitor check channel before 138 Model Aviation RIC SCALE PLANS Curtlsn Hawk P44 60 apan 1500 aq I. lieu$3495 Aeronca Modal K-193731apan$1995 Piper Sup Cub Cnalnar PA-I 2 31 upas. S 1995 Piper Pacar PA-20 39 span Vs Scat$2995 Piper Trl-PncerPA-22 39 span V Scale 5 DH-85 Leopard Moth l11tpas /Scal#$1995 DH.80A Puns Moth ill apes VScaIe$1995 Sphsks Akronsa afar 60 spas Ill Scala$1495 Send SelfAddreaaed Stamped Envelope Complete List HOBBY CAPITOL RIC 46 N Oak St. Ventura CA 93001
Edition: Model Aviation - 1984/05
Page Numbers: 30, 31, 32, 33, 34, 35, 36, 37, 135, 138
THIS IS SPORT Old-Timer excellent s first model lots fun flier nn gear has no te loop Cavalier htweight ma L rour-cycle horns mv Eny m adequi te cc tuft sh~ Ss cb~ mxli hardiiv good luck airfoil fact didnt build washout wing high-wing layout slow fly ing characteristics didnt justify keeping design criterion keep light companion desire keep simple case keeping simple means fast building found out hard way lot time can eaten up complicated construction tried benefit building design experience including some innovative ideas Cav alier Maybe some will obvious have used times before What Ive done pick out ones have worked put together design Some areas kept simple light follow fuselage construction decided use longeron crosspiece method instead common sheet construction can argued sheet simpler building way lot lighter covered fuselage very strong wanted avoid loose cowl So times fasteners get lost dont work cowl ends up being held rubberbands worse left off So 32 Model Aviation t Theres plenty room three servos foamwrapped battery raculvor mnsteaa OT runneroanas tne author uses tension springs mede 015 music wire hold battery receiver wind spring clamps hand drill bench vise chucks piece 1/8-in drill rod sticks end music wire between chuck jaws turns hand drill Voilal Right cowl upper lower permanently glued place avoiding sometimes-problem loose pieces handy needle valve extension brass tubing wea soldered few hand flips author brings engine life Cavalier ready another flight Wed recommend having model restrained helper starting possible avoid danger getting hand wrist caught spinning prop Falk picture IlK 3/8 SQ ALL PIN RUDDER FRAMING 3/8 SHEET FCAMS 3/BX IALL CONTOURS 3/32 M WIRE ELEItR TIE IIJ 1/16 PlY WOOD REtJF 3/8XIT EDGE 1/16 PLYWOOD BRACES FRONT BACK OF SWR AT C/S ONLY L4 SHEET WING CRADLE BANDS HOLD TAIL TO I/B DOWELS 1/4 CRADLE 9JPPORTS FOR ONE PIECE WING BALSA FORM FOR1/4 DOWEL WINDSHIELD F 1 1/8 PLYWOOD SHEET 1/8 SHEET PLAMING COWL II / 7/ 77 3/8 50 FR4MES WHEEL ON STEERABLE WE THRU NYLON I/8PLY PIATM Win-I ALIGN DOWELS FOR TAIL REMOVAL ON I/B PLYWOOD iD BOTTOM I$4SQ FUSELAGE FRAMING AND LONGERONS 1/4 DOWEL W ING I-IOLD DOWNS 7 V4T EDGE ENVA 35 ON HAYES MOUNT BALSA BLOCKS FORM FIXED COWL -x -7 K 7 L I$4PLYWOOD FIREWALL I/B SHEET FOR TRAY SIDESAfl FL IlSIDE LDONS 1/4 SHEET BALSA BRACtIG 1/16 PLYWOOD SERVO TRAYS 1/8 SHEET BALSA BOXES FOR RADIO BATTERIES F 2 1/8 SHEET FRAMING 1/16 PLYWOOD WING REAR SPAR Ci ONLY 7 7 7 FRONTANDBACK 3/8 50 HARD UPPER LOWER SPARS Vs SHEET WEBS FtJT SPAR GLYI/B SHEET liPS FORM 3/32 SHEET RIBS 1/2 50 LEDGE INTO RIB tIO1tHES 31/4 WHEELS ON 5/32MWIRE U-BOLT TO F 1 BULKHEAD Li APER BEFORE INSTALLING ON FUSELAGE WINDSHIELD FLAT P 015 BUTYRATE SHI F 117 ENGINE MOUNT HAYES OR EOUIVAUENT 5/32 MUSIC WIRE H Ii 1/4 FOAM 3/4x 1 BLOCK CUT GROOVE FOR 1/4 DOWEL BEFORE GLUING INSERT DOWEL AFTER INSTALLING WINDSHIELD B ENYA 35 SI-lOAN 1/4 DOWEL B oz CLUNA TANK PRESSURE TAP NOT USED WINO DIHEDRAL3 DOWN THRUST NO SCALE CO NOSE BLOCK TAILA \F3D15B /I' ---F4 BLOCKAFlEPOXY IN 1/2 BLOCK DRAIN HOLE DRAIN SHEETSCRAP1/4 SHEET PLANKING TANKTRIM AFTER1/4 SHEET 1 BLOCKREMOVING FROM PLANS1/4SHEET LEAVE OUT UNTIL LANDING GEAR IS INSTALLED 1/B 3/4 SHEET oSHEET BALSA NOT SCRAP1/B SHEET REQUIRED ON BOTTOM OF FUSELAGE SECTION A-A 3 1/A WHEELS tail section authors model made removable held rubberbands big model could easily fit particular car yours has plenty room could permanently mount tail surfaces save bit assembly/disassembly time flying session 34 Model Aviation HOOKS FOR HOLD DOWN RUBBER BANDS SECTION B B 1/BSHEET FULL-SIZE PLANS AVAILABLE . SEE PAGE 180 - NOTCH FOR SERVO LEADS II B-B MAKE CUT-OUTS TO SUIT YOUR RADIO 1/B PLY RADIO TRAY 1/1K PLY HOLE FOR 1/4 DOWEL REMOVABLE TAIL VERSION SIMILAR EXCEPT ADD DOWELS AND 1/1K PLY HINGE 3 PLACES SECURE WITH STRAIGHT PINS -J Li 5/1K DA I 3/B SHEET HARDWOOD DOWEL NTROL CABE1/4SHEET P2 3 TAPE HEET1/BSHEET 1/4503/B SO VV4 DOWELI 3/1K DOXEL-REDUIREDr WITH REMOVABLE3/B TRIANGULAR STOCK TAIL ASSEMBLY 3/Bs 314 1/4SIEETI--/-1[ I I i/SHEET 7 1/B SHEET P2 13/4 WHEEL 1/B SHEET1/B PLY SPLICE1/4 50 /TAPER IALON TAIL WHEEL OUTLINE OF FUSELAGEBRACKET EPOXY IN PLACE SIDE BWLT ON PLANS CUT SLOT FOR TAB TAIL,PUASTIC TUBING WHEEL DETAIL TBNDWWRE AND SOUTER 1/lA MUSIC WIRE NYLON PUSH ROD GUIDE GLUE TO P3 AFTER PLANIKNG OVER FUEL TANK F 3 1/B SHEET SUPPORT FOR LOWER EDGE OF WINOSH EUD GEON /B SHEET ALL WOOD -BALSA-UNLESS NOTED CAVALIER RADIO CONTROLLED SPORT 35 sheet 1 WINGAREA 1200 SR K rcsruAKJNb WING SPAN BO R-R2 DESIGNED DRAWN & TRACED front end fuselage has fixed cowl engine installed uprightagain simplicity easy starting good cooling main landing gear easy make having just three beds wire stalled after fuselage complete sim plifying phase construction strayed original goals used clear acetate cabin windows feel improvement appearance justifies extra work wing absolute simplicity basi cally scaled-up version type usually found small rubber-powered models one-piece wing V-dihedral use V8-in sheet wing tips things easy building would have difficult use wing hold-down bolts sheet covering distribute load feel holddown rubberbands keeping design allow lighter model would possible bolt-on system John Laycock hooks up rubberbands hold tail section early picture landing gear 1/8-in music wire Trexler wheels use Being too springy author changed 5/32-in wire low-bounce wheels did trick very nicely May 1984 35 6 ROLL MYLAR COVERING WING HORIZOKTATAIL THE WING AND HORIZONTA TAIL CAN BE COVERED USNG TWO 6 ROLLS GE MYAR COVERING I W NG II 11 KEEP DIHE SHEAR WE - n ~== AFT DIHEDRAL BRACE1/16 PLY FWD DIHEDRAL BRACE1/16 PLY 1/2 50 LEADING EDGE SCRAP BLOCK WING TIP TEMPLATE MAKE FROM CARD USE TEMPLATE TO TRIM SPARS LEADING EDGE AND TRAILING EDGE k 2 3/4 DIHEDRAL EACH WING AT THIS POINT SPLICE TYPIC AL 3/B SD IU WING TIP 2 REQUIRED i/B SHEET jTRIM AFTER ASSEMBLY WING RIB 20 REQUIRED 3/32 SHEET 1 REQUIRED 1/8 SHEET II 1 1/4 TRAILING EDGE STOCK Fuselage construction Start building sides over plan Use flat building board protect plan kitchen Mylar film such Saran Wrap Use 1/4-in sq medium grade balsa select straight est pieces longerons longeron splicing try method shown sheet two plansit works Also sanding fuselage crosspieces use sanding block method shown sheet two Use razor saw such Zona Saw cut crosspieces little longer required finish length sanding block used cya noacrylate CyA glue throughout except needed extra strength used 5-mm epoxy didnt build second side top first method works fine AB Vs sq longerons cum bersome size fuselage first side complete remove plans flip over check joints Add extra glue required Build second side Cut out firewall formers Fl F2 important made accurately squareness fuselage 36 Model Aviation See tiny bumps underside wing stabilizer tips Skids recommended big wing light loading tend tip model ground crosswind FULL-SIZE PLANS AVAILABLE. SEE PAGE 180 MEDIUM GARNET SANDING BLOCK PAPER 1OLD BALSA STRrP AND SLIDE SANDING BOCK THIS METHOD OF SANDING THE FUSELAGE AND TAIL CROSS MEMBERS WILL ENSURE ACCURATE JOINTS OUR 3/B SC 1/4 DOWE REQUIRED WITH REMOVABE TAIL VERSION 1/B SHEET RIB VW 0 DIHEDRAL BRACE EPOXY IN PLACE WINO TEMPLATE ____________________ _______________________ _____________ fi 2 1 l/4 -1/16 PLY EPOXY IN PLACE FIBER GLASS OR LINEN -EPOXY 1 3/32 MUSIC WIRE UNCOVERED N FOR HOLD DOWN RUBBER BANDS K~LEAVE EXTEND TO REAR SPARz13/BX 1 1/2 FOR FIXED TAIL VERSION REAR SPAR HINGE-4 PLACES STRAIGHT PINS APT DIHEDRAL BRACE EPOXY IN PLACE ALSA STRIPS TOGETHER DURING CUTTING AND SANDING FOR GOOD JOINT METHOD OF SPLICING LONGERONS AND SPARS CAVALIER SHEET 2 REQUIRED ONLY FOR REMOVABLE TAIL VERSION depends Now good time form main landing gear Use cutoff wheel drill motor cut 5/32-in-dia music wire should wearing safety glasses doing kind work Locate drill holes three J-bolts dont finalassemble main gear former time Its lot easier work fuselage youre apt stabbed landing gear Epoxy firewall formers side fuselage use square keep formers true hardened epoxy second side Again careful maintain squareness epoxy second side has hardened pull back end fuselage together add crosspieces Complete fuselage shown plans Add engine mount platform fuel tank didnt fuel-proof fuel tank compartment did make sure fuel tank cap properly tightened Install fuel tubing through firewall before closing off compartment Seal ends tubes keep out sanding dust Also identify tubes correct hookup laterContinued page 135 May 1984 37 EB -1/16 SHEETAL GRAIN Li\ 0123SS Enya 35 nose looks almost lost total size Cavalier Its large size gives plane docile flight characteristics has controls elevator rudder engine Fun/Winter Continued page 28 modest figure still lot choppers modeling world have others course including rotor span 10 ft Army An other requirement magazine s selection sales above $100000 less $15000000 drone connection Although first patented remotely-piloted vehicle drone dated WW days until WW II RPVs became practical part military hardware mainly lifelike targets Things like OQ2A remembered modelers later full-scale all-wood Culver Ca det About 12 ft span generous dihedral OQ2A powered Mc Culloch engine Ive told thing 5 10 hp up 18 looked like overblown Outdoor Rub ber job flat-topped triangular cross-sectioned fuselage thing catapulted shock cord off long launcher open-frame tubular con struction could hit 175 retrieval hit shut down engine popped chute top hatch first Mirror Meet 1947 Grummans Bethpage Long Island Army demonstrated three Wild man shot vertically over head heard did see thunderous impact concrete runway under Good Humor truck As Free Flight er knew what expect An other tore up sky until pilot goofed radio glitched demolish ing chicken coop its feathered habitants So heres Warren Anderson started Ohlsson 23 FF Gas jobs before WW II military assignments writes crew chief Radio Airplane Target Detachment flying OQ 2A drones first crew trained Army personnel Fort Bliss TX 1943 related us Good brothers taken RC idea several military units unable stir up much interest Finally US Cavalry accepted idea ac cording developed OQ2A wonder what Walt Good has say about Reginald Denny involved early manufacturing plane Mr Smith pointed out article merican Aircraft Modeler March 1971 picture took Radioplane plant 1943 shows both Smith Denny Reginald Denny handsome movie actor considerable fame truly good guy aviation Im going check out believe Reginald pilot interested air schools certainly major model airplane manufacturer advertised heavily mags grand FF Gas model kit Dennyplane fondly-re membered engine Dennymite Dennyplane famous day round-nosed aluminum cowl highwinged cabin model flew superb ly gosh looked like full-size plane lot people recent years have built thanks Doc Mathews revival January 1977 Model Aviation Plan No 169 $4 Power 19 25 Denny far cellu loid hero us Youll love Dennyplane Incidentally Radioplane produced 13935 drones under three designations Bill Winter 4426 Altura Ct Fairfax VA 22030 Cavalier/Laycock Continued oaoe 37 Epoxy balsa blocks place engine cowl Shape sand final contour keep very sharp chisel handy shaping carving balsa find faster using razor blades knife Use chisel carve close final size finish sanding Add gussets windshield side windows affixed contact cement engine compartment given two coats epoxy paint little tricky paint around engine mount used long cotton swab inserted through drain Continued page 138 May1984 135 ILZUZL a/c 361 Iso RoadSan Antonio TX 73216 512 414712 FUTABA 7FGKFM23395 6FGK FMSOLD OUT 7FGK18495 6FGK16495 5FGK15495 6FG15495 4FG14995 4L3-5/2810495 2F2/S-28-R4H7495 S-28SERVO1895 5-32SERVO2595 COVERINGS Monokote Opaque 3 Rolls1695 Monokoge Trans. 3 Rolls1695 Monokote Met. 3 Rolls2095 CYANOACRYLATE Hot Stuff HS-t e169 Itol Stuff HSTl /z Ounce169 Hot Stuff HS-4 2 Ounce589 Hot Stuff HST-4 2 Ounce539 Slot Shot245 Jet Ouncet79 Super Jet e179 Jet 2 Ounce599 Super Jet 2 Ounce599 EPOXY GLUE Deveon 30 Minute 9 Ounce595 Devrou 5 Minute 9 Ounce595 Hobbypoxy 113 Ounce359 tiobbypoxy IV 3 Ounce559 Hobbypoxy III 3 Ounce295 SULLIVAN HT #600 Starter2795 HTD #601 Starter3095 HTD24 #602 Starter3295 PLEASE NOTE Prices subject change manufacturers prices change items subject availability time sale Prices effect until next Model Aviation Issue Show room prices may slightly higher Visit show room San Antonio jW discount price list refunded first order Shipping& Handling Prepaid orders S300 COD Credit Card orders 5595 Overseas orders add estimated shipping 25% deposit re4uired first lime COD 55% sates tax required Texas residents Personal checks delay shipping 15 days Cavalier/Laycock Continued oaae 135 hole get below engine mount better have too much paint enough ready cover fuselage now time add main landing gear After covering add tail wheel assembly wing tail hold-down dowels tray method radio installation has worked fine Use epoxy mount tray Incidentally tray strengthens center fuselage sure about getting center gravity CG lo cated correctly install radio tray last move fore aft get proper balance position Wing Once ribs cut wing panels assemble quite fast Incidentally four ribs can cut 3 x 36-in sheet made rib template As ply splicing two pieces together make big enough piece Build wing half flat plan Before joining two wing halves com plete wing tips easier work just half wing number ways join wing halves have favorite means go ahead use method works well follows As build wing half trim spars leading trailing edges correct length dihedral angle dihedral angle template very useful worth effort necessary make Build both wing halves add Vs-in center rib wing half Blockup half bring two halves together check fit satisfied glue epoxy Now have complete wing needing dihedral reinforcing Carefully slot center ribs dihedral braces Glue epoxy clamp place Finally add shear webs wing ready final sanding Tail Construction straightforward Square ends crosspieces sanding block careful cutting slots hinges Unless hinge pins exactly line will take extra force move control surface putting extra load radio servo battery Whether make tail assembly remov able epoxy permanently fuselage usually depends space ve hicle mid-sized two-door Ameri can car can carry wing inside pas senger area fuselage removable tail carried trunk transporta tion permits one-piece fuselage tail build wayyoull save yourself some extra work Finishing used translucent Super Mono Kote looks great built-up fuselage also adds sense being light weight wing tail can covered two rolls pieces cut shown plan use method make Super MonoKote lap joint over wing rib dont shrink part until whole wing has covered Make sure lap joint well-sealed use regular house hold iron final shrinking trim around windows used /4-in pressure-sensitive tape After cover ing add tip skids wing horizon tal taildont fly holding wing down make six 10-in loops use 20 rubber -in rubber strip Flying will find Cavalier easy plane fly However havent flown multi-channel RC before suggest have qualified flier help during early flights Cavalier doesnt have vices Its likely ground-loop take off landing Basic commonsense rules apply take off make sure model heading directly wind important lightly-loaded models such Cavalier Landings fun final approach should directly wind Cut engine throttle idle Add up-elevator trim establish glide start flare-out model about six feet above ground Keep giving vp-elevator until touch-down stick should way back point As takeoff very little roll windy weather dont attempt taxiing Once model turned crosswind wind will tend flip over does very little damage modelthe wing strongbut does spoil otherwise good landing usually kill engine carry model back pits Have fun building flying Cavalier Its model pushing state art honest goodness fun flier Radio Technique/Myers Continued page 39 ary 1982 MA page 30 can used monitoring tool arent flying can go off flight line about 500 feet plug Bird-dog airplane turn ON try find out whats hap pening channel unit draws quite bit flight pack about 300 mA use Ace Fast Field Charger 34K40 similar device put back what take out before flying youre too thrilled idea running down flight pack heres another approach Figure 3 shows Ace Sil ver Seven transmitter modified addi tion small RC receiver loudspeaker inside set could likewise Since have 5R900 battery pack trans mitter expanded-scale voltmeter front panel small current drawn monitoring no concern switch back transmitter selects either Monitor Transmitter function thought playing might plug receiver crystal monitor check channel before 138 Model Aviation RIC SCALE PLANS Curtlsn Hawk P44 60 apan 1500 aq I. lieu$3495 Aeronca Modal K-193731apan$1995 Piper Sup Cub Cnalnar PA-I 2 31 upas. S 1995 Piper Pacar PA-20 39 span Vs Scat$2995 Piper Trl-PncerPA-22 39 span V Scale 5 DH-85 Leopard Moth l11tpas /Scal#$1995 DH.80A Puns Moth ill apes VScaIe$1995 Sphsks Akronsa afar 60 spas Ill Scala$1495 Send SelfAddreaaed Stamped Envelope Complete List HOBBY CAPITOL RIC 46 N Oak St. Ventura CA 93001
Edition: Model Aviation - 1984/05
Page Numbers: 30, 31, 32, 33, 34, 35, 36, 37, 135, 138
THIS IS SPORT Old-Timer excellent s first model lots fun flier nn gear has no te loop Cavalier htweight ma L rour-cycle horns mv Eny m adequi te cc tuft sh~ Ss cb~ mxli hardiiv good luck airfoil fact didnt build washout wing high-wing layout slow fly ing characteristics didnt justify keeping design criterion keep light companion desire keep simple case keeping simple means fast building found out hard way lot time can eaten up complicated construction tried benefit building design experience including some innovative ideas Cav alier Maybe some will obvious have used times before What Ive done pick out ones have worked put together design Some areas kept simple light follow fuselage construction decided use longeron crosspiece method instead common sheet construction can argued sheet simpler building way lot lighter covered fuselage very strong wanted avoid loose cowl So times fasteners get lost dont work cowl ends up being held rubberbands worse left off So 32 Model Aviation t Theres plenty room three servos foamwrapped battery raculvor mnsteaa OT runneroanas tne author uses tension springs mede 015 music wire hold battery receiver wind spring clamps hand drill bench vise chucks piece 1/8-in drill rod sticks end music wire between chuck jaws turns hand drill Voilal Right cowl upper lower permanently glued place avoiding sometimes-problem loose pieces handy needle valve extension brass tubing wea soldered few hand flips author brings engine life Cavalier ready another flight Wed recommend having model restrained helper starting possible avoid danger getting hand wrist caught spinning prop Falk picture IlK 3/8 SQ ALL PIN RUDDER FRAMING 3/8 SHEET FCAMS 3/BX IALL CONTOURS 3/32 M WIRE ELEItR TIE IIJ 1/16 PlY WOOD REtJF 3/8XIT EDGE 1/16 PLYWOOD BRACES FRONT BACK OF SWR AT C/S ONLY L4 SHEET WING CRADLE BANDS HOLD TAIL TO I/B DOWELS 1/4 CRADLE 9JPPORTS FOR ONE PIECE WING BALSA FORM FOR1/4 DOWEL WINDSHIELD F 1 1/8 PLYWOOD SHEET 1/8 SHEET PLAMING COWL II / 7/ 77 3/8 50 FR4MES WHEEL ON STEERABLE WE THRU NYLON I/8PLY PIATM Win-I ALIGN DOWELS FOR TAIL REMOVAL ON I/B PLYWOOD iD BOTTOM I$4SQ FUSELAGE FRAMING AND LONGERONS 1/4 DOWEL W ING I-IOLD DOWNS 7 V4T EDGE ENVA 35 ON HAYES MOUNT BALSA BLOCKS FORM FIXED COWL -x -7 K 7 L I$4PLYWOOD FIREWALL I/B SHEET FOR TRAY SIDESAfl FL IlSIDE LDONS 1/4 SHEET BALSA BRACtIG 1/16 PLYWOOD SERVO TRAYS 1/8 SHEET BALSA BOXES FOR RADIO BATTERIES F 2 1/8 SHEET FRAMING 1/16 PLYWOOD WING REAR SPAR Ci ONLY 7 7 7 FRONTANDBACK 3/8 50 HARD UPPER LOWER SPARS Vs SHEET WEBS FtJT SPAR GLYI/B SHEET liPS FORM 3/32 SHEET RIBS 1/2 50 LEDGE INTO RIB tIO1tHES 31/4 WHEELS ON 5/32MWIRE U-BOLT TO F 1 BULKHEAD Li APER BEFORE INSTALLING ON FUSELAGE WINDSHIELD FLAT P 015 BUTYRATE SHI F 117 ENGINE MOUNT HAYES OR EOUIVAUENT 5/32 MUSIC WIRE H Ii 1/4 FOAM 3/4x 1 BLOCK CUT GROOVE FOR 1/4 DOWEL BEFORE GLUING INSERT DOWEL AFTER INSTALLING WINDSHIELD B ENYA 35 SI-lOAN 1/4 DOWEL B oz CLUNA TANK PRESSURE TAP NOT USED WINO DIHEDRAL3 DOWN THRUST NO SCALE CO NOSE BLOCK TAILA \F3D15B /I' ---F4 BLOCKAFlEPOXY IN 1/2 BLOCK DRAIN HOLE DRAIN SHEETSCRAP1/4 SHEET PLANKING TANKTRIM AFTER1/4 SHEET 1 BLOCKREMOVING FROM PLANS1/4SHEET LEAVE OUT UNTIL LANDING GEAR IS INSTALLED 1/B 3/4 SHEET oSHEET BALSA NOT SCRAP1/B SHEET REQUIRED ON BOTTOM OF FUSELAGE SECTION A-A 3 1/A WHEELS tail section authors model made removable held rubberbands big model could easily fit particular car yours has plenty room could permanently mount tail surfaces save bit assembly/disassembly time flying session 34 Model Aviation HOOKS FOR HOLD DOWN RUBBER BANDS SECTION B B 1/BSHEET FULL-SIZE PLANS AVAILABLE . SEE PAGE 180 - NOTCH FOR SERVO LEADS II B-B MAKE CUT-OUTS TO SUIT YOUR RADIO 1/B PLY RADIO TRAY 1/1K PLY HOLE FOR 1/4 DOWEL REMOVABLE TAIL VERSION SIMILAR EXCEPT ADD DOWELS AND 1/1K PLY HINGE 3 PLACES SECURE WITH STRAIGHT PINS -J Li 5/1K DA I 3/B SHEET HARDWOOD DOWEL NTROL CABE1/4SHEET P2 3 TAPE HEET1/BSHEET 1/4503/B SO VV4 DOWELI 3/1K DOXEL-REDUIREDr WITH REMOVABLE3/B TRIANGULAR STOCK TAIL ASSEMBLY 3/Bs 314 1/4SIEETI--/-1[ I I i/SHEET 7 1/B SHEET P2 13/4 WHEEL 1/B SHEET1/B PLY SPLICE1/4 50 /TAPER IALON TAIL WHEEL OUTLINE OF FUSELAGEBRACKET EPOXY IN PLACE SIDE BWLT ON PLANS CUT SLOT FOR TAB TAIL,PUASTIC TUBING WHEEL DETAIL TBNDWWRE AND SOUTER 1/lA MUSIC WIRE NYLON PUSH ROD GUIDE GLUE TO P3 AFTER PLANIKNG OVER FUEL TANK F 3 1/B SHEET SUPPORT FOR LOWER EDGE OF WINOSH EUD GEON /B SHEET ALL WOOD -BALSA-UNLESS NOTED CAVALIER RADIO CONTROLLED SPORT 35 sheet 1 WINGAREA 1200 SR K rcsruAKJNb WING SPAN BO R-R2 DESIGNED DRAWN & TRACED front end fuselage has fixed cowl engine installed uprightagain simplicity easy starting good cooling main landing gear easy make having just three beds wire stalled after fuselage complete sim plifying phase construction strayed original goals used clear acetate cabin windows feel improvement appearance justifies extra work wing absolute simplicity basi cally scaled-up version type usually found small rubber-powered models one-piece wing V-dihedral use V8-in sheet wing tips things easy building would have difficult use wing hold-down bolts sheet covering distribute load feel holddown rubberbands keeping design allow lighter model would possible bolt-on system John Laycock hooks up rubberbands hold tail section early picture landing gear 1/8-in music wire Trexler wheels use Being too springy author changed 5/32-in wire low-bounce wheels did trick very nicely May 1984 35 6 ROLL MYLAR COVERING WING HORIZOKTATAIL THE WING AND HORIZONTA TAIL CAN BE COVERED USNG TWO 6 ROLLS GE MYAR COVERING I W NG II 11 KEEP DIHE SHEAR WE - n ~== AFT DIHEDRAL BRACE1/16 PLY FWD DIHEDRAL BRACE1/16 PLY 1/2 50 LEADING EDGE SCRAP BLOCK WING TIP TEMPLATE MAKE FROM CARD USE TEMPLATE TO TRIM SPARS LEADING EDGE AND TRAILING EDGE k 2 3/4 DIHEDRAL EACH WING AT THIS POINT SPLICE TYPIC AL 3/B SD IU WING TIP 2 REQUIRED i/B SHEET jTRIM AFTER ASSEMBLY WING RIB 20 REQUIRED 3/32 SHEET 1 REQUIRED 1/8 SHEET II 1 1/4 TRAILING EDGE STOCK Fuselage construction Start building sides over plan Use flat building board protect plan kitchen Mylar film such Saran Wrap Use 1/4-in sq medium grade balsa select straight est pieces longerons longeron splicing try method shown sheet two plansit works Also sanding fuselage crosspieces use sanding block method shown sheet two Use razor saw such Zona Saw cut crosspieces little longer required finish length sanding block used cya noacrylate CyA glue throughout except needed extra strength used 5-mm epoxy didnt build second side top first method works fine AB Vs sq longerons cum bersome size fuselage first side complete remove plans flip over check joints Add extra glue required Build second side Cut out firewall formers Fl F2 important made accurately squareness fuselage 36 Model Aviation See tiny bumps underside wing stabilizer tips Skids recommended big wing light loading tend tip model ground crosswind FULL-SIZE PLANS AVAILABLE. SEE PAGE 180 MEDIUM GARNET SANDING BLOCK PAPER 1OLD BALSA STRrP AND SLIDE SANDING BOCK THIS METHOD OF SANDING THE FUSELAGE AND TAIL CROSS MEMBERS WILL ENSURE ACCURATE JOINTS OUR 3/B SC 1/4 DOWE REQUIRED WITH REMOVABE TAIL VERSION 1/B SHEET RIB VW 0 DIHEDRAL BRACE EPOXY IN PLACE WINO TEMPLATE ____________________ _______________________ _____________ fi 2 1 l/4 -1/16 PLY EPOXY IN PLACE FIBER GLASS OR LINEN -EPOXY 1 3/32 MUSIC WIRE UNCOVERED N FOR HOLD DOWN RUBBER BANDS K~LEAVE EXTEND TO REAR SPARz13/BX 1 1/2 FOR FIXED TAIL VERSION REAR SPAR HINGE-4 PLACES STRAIGHT PINS APT DIHEDRAL BRACE EPOXY IN PLACE ALSA STRIPS TOGETHER DURING CUTTING AND SANDING FOR GOOD JOINT METHOD OF SPLICING LONGERONS AND SPARS CAVALIER SHEET 2 REQUIRED ONLY FOR REMOVABLE TAIL VERSION depends Now good time form main landing gear Use cutoff wheel drill motor cut 5/32-in-dia music wire should wearing safety glasses doing kind work Locate drill holes three J-bolts dont finalassemble main gear former time Its lot easier work fuselage youre apt stabbed landing gear Epoxy firewall formers side fuselage use square keep formers true hardened epoxy second side Again careful maintain squareness epoxy second side has hardened pull back end fuselage together add crosspieces Complete fuselage shown plans Add engine mount platform fuel tank didnt fuel-proof fuel tank compartment did make sure fuel tank cap properly tightened Install fuel tubing through firewall before closing off compartment Seal ends tubes keep out sanding dust Also identify tubes correct hookup laterContinued page 135 May 1984 37 EB -1/16 SHEETAL GRAIN Li\ 0123SS Enya 35 nose looks almost lost total size Cavalier Its large size gives plane docile flight characteristics has controls elevator rudder engine Fun/Winter Continued page 28 modest figure still lot choppers modeling world have others course including rotor span 10 ft Army An other requirement magazine s selection sales above $100000 less $15000000 drone connection Although first patented remotely-piloted vehicle drone dated WW days until WW II RPVs became practical part military hardware mainly lifelike targets Things like OQ2A remembered modelers later full-scale all-wood Culver Ca det About 12 ft span generous dihedral OQ2A powered Mc Culloch engine Ive told thing 5 10 hp up 18 looked like overblown Outdoor Rub ber job flat-topped triangular cross-sectioned fuselage thing catapulted shock cord off long launcher open-frame tubular con struction could hit 175 retrieval hit shut down engine popped chute top hatch first Mirror Meet 1947 Grummans Bethpage Long Island Army demonstrated three Wild man shot vertically over head heard did see thunderous impact concrete runway under Good Humor truck As Free Flight er knew what expect An other tore up sky until pilot goofed radio glitched demolish ing chicken coop its feathered habitants So heres Warren Anderson started Ohlsson 23 FF Gas jobs before WW II military assignments writes crew chief Radio Airplane Target Detachment flying OQ 2A drones first crew trained Army personnel Fort Bliss TX 1943 related us Good brothers taken RC idea several military units unable stir up much interest Finally US Cavalry accepted idea ac cording developed OQ2A wonder what Walt Good has say about Reginald Denny involved early manufacturing plane Mr Smith pointed out article merican Aircraft Modeler March 1971 picture took Radioplane plant 1943 shows both Smith Denny Reginald Denny handsome movie actor considerable fame truly good guy aviation Im going check out believe Reginald pilot interested air schools certainly major model airplane manufacturer advertised heavily mags grand FF Gas model kit Dennyplane fondly-re membered engine Dennymite Dennyplane famous day round-nosed aluminum cowl highwinged cabin model flew superb ly gosh looked like full-size plane lot people recent years have built thanks Doc Mathews revival January 1977 Model Aviation Plan No 169 $4 Power 19 25 Denny far cellu loid hero us Youll love Dennyplane Incidentally Radioplane produced 13935 drones under three designations Bill Winter 4426 Altura Ct Fairfax VA 22030 Cavalier/Laycock Continued oaoe 37 Epoxy balsa blocks place engine cowl Shape sand final contour keep very sharp chisel handy shaping carving balsa find faster using razor blades knife Use chisel carve close final size finish sanding Add gussets windshield side windows affixed contact cement engine compartment given two coats epoxy paint little tricky paint around engine mount used long cotton swab inserted through drain Continued page 138 May1984 135 ILZUZL a/c 361 Iso RoadSan Antonio TX 73216 512 414712 FUTABA 7FGKFM23395 6FGK FMSOLD OUT 7FGK18495 6FGK16495 5FGK15495 6FG15495 4FG14995 4L3-5/2810495 2F2/S-28-R4H7495 S-28SERVO1895 5-32SERVO2595 COVERINGS Monokote Opaque 3 Rolls1695 Monokoge Trans. 3 Rolls1695 Monokote Met. 3 Rolls2095 CYANOACRYLATE Hot Stuff HS-t e169 Itol Stuff HSTl /z Ounce169 Hot Stuff HS-4 2 Ounce589 Hot Stuff HST-4 2 Ounce539 Slot Shot245 Jet Ouncet79 Super Jet e179 Jet 2 Ounce599 Super Jet 2 Ounce599 EPOXY GLUE Deveon 30 Minute 9 Ounce595 Devrou 5 Minute 9 Ounce595 Hobbypoxy 113 Ounce359 tiobbypoxy IV 3 Ounce559 Hobbypoxy III 3 Ounce295 SULLIVAN HT #600 Starter2795 HTD #601 Starter3095 HTD24 #602 Starter3295 PLEASE NOTE Prices subject change manufacturers prices change items subject availability time sale Prices effect until next Model Aviation Issue Show room prices may slightly higher Visit show room San Antonio jW discount price list refunded first order Shipping& Handling Prepaid orders S300 COD Credit Card orders 5595 Overseas orders add estimated shipping 25% deposit re4uired first lime COD 55% sates tax required Texas residents Personal checks delay shipping 15 days Cavalier/Laycock Continued oaae 135 hole get below engine mount better have too much paint enough ready cover fuselage now time add main landing gear After covering add tail wheel assembly wing tail hold-down dowels tray method radio installation has worked fine Use epoxy mount tray Incidentally tray strengthens center fuselage sure about getting center gravity CG lo cated correctly install radio tray last move fore aft get proper balance position Wing Once ribs cut wing panels assemble quite fast Incidentally four ribs can cut 3 x 36-in sheet made rib template As ply splicing two pieces together make big enough piece Build wing half flat plan Before joining two wing halves com plete wing tips easier work just half wing number ways join wing halves have favorite means go ahead use method works well follows As build wing half trim spars leading trailing edges correct length dihedral angle dihedral angle template very useful worth effort necessary make Build both wing halves add Vs-in center rib wing half Blockup half bring two halves together check fit satisfied glue epoxy Now have complete wing needing dihedral reinforcing Carefully slot center ribs dihedral braces Glue epoxy clamp place Finally add shear webs wing ready final sanding Tail Construction straightforward Square ends crosspieces sanding block careful cutting slots hinges Unless hinge pins exactly line will take extra force move control surface putting extra load radio servo battery Whether make tail assembly remov able epoxy permanently fuselage usually depends space ve hicle mid-sized two-door Ameri can car can carry wing inside pas senger area fuselage removable tail carried trunk transporta tion permits one-piece fuselage tail build wayyoull save yourself some extra work Finishing used translucent Super Mono Kote looks great built-up fuselage also adds sense being light weight wing tail can covered two rolls pieces cut shown plan use method make Super MonoKote lap joint over wing rib dont shrink part until whole wing has covered Make sure lap joint well-sealed use regular house hold iron final shrinking trim around windows used /4-in pressure-sensitive tape After cover ing add tip skids wing horizon tal taildont fly holding wing down make six 10-in loops use 20 rubber -in rubber strip Flying will find Cavalier easy plane fly However havent flown multi-channel RC before suggest have qualified flier help during early flights Cavalier doesnt have vices Its likely ground-loop take off landing Basic commonsense rules apply take off make sure model heading directly wind important lightly-loaded models such Cavalier Landings fun final approach should directly wind Cut engine throttle idle Add up-elevator trim establish glide start flare-out model about six feet above ground Keep giving vp-elevator until touch-down stick should way back point As takeoff very little roll windy weather dont attempt taxiing Once model turned crosswind wind will tend flip over does very little damage modelthe wing strongbut does spoil otherwise good landing usually kill engine carry model back pits Have fun building flying Cavalier Its model pushing state art honest goodness fun flier Radio Technique/Myers Continued page 39 ary 1982 MA page 30 can used monitoring tool arent flying can go off flight line about 500 feet plug Bird-dog airplane turn ON try find out whats hap pening channel unit draws quite bit flight pack about 300 mA use Ace Fast Field Charger 34K40 similar device put back what take out before flying youre too thrilled idea running down flight pack heres another approach Figure 3 shows Ace Sil ver Seven transmitter modified addi tion small RC receiver loudspeaker inside set could likewise Since have 5R900 battery pack trans mitter expanded-scale voltmeter front panel small current drawn monitoring no concern switch back transmitter selects either Monitor Transmitter function thought playing might plug receiver crystal monitor check channel before 138 Model Aviation RIC SCALE PLANS Curtlsn Hawk P44 60 apan 1500 aq I. lieu$3495 Aeronca Modal K-193731apan$1995 Piper Sup Cub Cnalnar PA-I 2 31 upas. S 1995 Piper Pacar PA-20 39 span Vs Scat$2995 Piper Trl-PncerPA-22 39 span V Scale 5 DH-85 Leopard Moth l11tpas /Scal#$1995 DH.80A Puns Moth ill apes VScaIe$1995 Sphsks Akronsa afar 60 spas Ill Scala$1495 Send SelfAddreaaed Stamped Envelope Complete List HOBBY CAPITOL RIC 46 N Oak St. Ventura CA 93001
Edition: Model Aviation - 1984/05
Page Numbers: 30, 31, 32, 33, 34, 35, 36, 37, 135, 138
THIS IS SPORT Old-Timer excellent s first model lots fun flier nn gear has no te loop Cavalier htweight ma L rour-cycle horns mv Eny m adequi te cc tuft sh~ Ss cb~ mxli hardiiv good luck airfoil fact didnt build washout wing high-wing layout slow fly ing characteristics didnt justify keeping design criterion keep light companion desire keep simple case keeping simple means fast building found out hard way lot time can eaten up complicated construction tried benefit building design experience including some innovative ideas Cav alier Maybe some will obvious have used times before What Ive done pick out ones have worked put together design Some areas kept simple light follow fuselage construction decided use longeron crosspiece method instead common sheet construction can argued sheet simpler building way lot lighter covered fuselage very strong wanted avoid loose cowl So times fasteners get lost dont work cowl ends up being held rubberbands worse left off So 32 Model Aviation t Theres plenty room three servos foamwrapped battery raculvor mnsteaa OT runneroanas tne author uses tension springs mede 015 music wire hold battery receiver wind spring clamps hand drill bench vise chucks piece 1/8-in drill rod sticks end music wire between chuck jaws turns hand drill Voilal Right cowl upper lower permanently glued place avoiding sometimes-problem loose pieces handy needle valve extension brass tubing wea soldered few hand flips author brings engine life Cavalier ready another flight Wed recommend having model restrained helper starting possible avoid danger getting hand wrist caught spinning prop Falk picture IlK 3/8 SQ ALL PIN RUDDER FRAMING 3/8 SHEET FCAMS 3/BX IALL CONTOURS 3/32 M WIRE ELEItR TIE IIJ 1/16 PlY WOOD REtJF 3/8XIT EDGE 1/16 PLYWOOD BRACES FRONT BACK OF SWR AT C/S ONLY L4 SHEET WING CRADLE BANDS HOLD TAIL TO I/B DOWELS 1/4 CRADLE 9JPPORTS FOR ONE PIECE WING BALSA FORM FOR1/4 DOWEL WINDSHIELD F 1 1/8 PLYWOOD SHEET 1/8 SHEET PLAMING COWL II / 7/ 77 3/8 50 FR4MES WHEEL ON STEERABLE WE THRU NYLON I/8PLY PIATM Win-I ALIGN DOWELS FOR TAIL REMOVAL ON I/B PLYWOOD iD BOTTOM I$4SQ FUSELAGE FRAMING AND LONGERONS 1/4 DOWEL W ING I-IOLD DOWNS 7 V4T EDGE ENVA 35 ON HAYES MOUNT BALSA BLOCKS FORM FIXED COWL -x -7 K 7 L I$4PLYWOOD FIREWALL I/B SHEET FOR TRAY SIDESAfl FL IlSIDE LDONS 1/4 SHEET BALSA BRACtIG 1/16 PLYWOOD SERVO TRAYS 1/8 SHEET BALSA BOXES FOR RADIO BATTERIES F 2 1/8 SHEET FRAMING 1/16 PLYWOOD WING REAR SPAR Ci ONLY 7 7 7 FRONTANDBACK 3/8 50 HARD UPPER LOWER SPARS Vs SHEET WEBS FtJT SPAR GLYI/B SHEET liPS FORM 3/32 SHEET RIBS 1/2 50 LEDGE INTO RIB tIO1tHES 31/4 WHEELS ON 5/32MWIRE U-BOLT TO F 1 BULKHEAD Li APER BEFORE INSTALLING ON FUSELAGE WINDSHIELD FLAT P 015 BUTYRATE SHI F 117 ENGINE MOUNT HAYES OR EOUIVAUENT 5/32 MUSIC WIRE H Ii 1/4 FOAM 3/4x 1 BLOCK CUT GROOVE FOR 1/4 DOWEL BEFORE GLUING INSERT DOWEL AFTER INSTALLING WINDSHIELD B ENYA 35 SI-lOAN 1/4 DOWEL B oz CLUNA TANK PRESSURE TAP NOT USED WINO DIHEDRAL3 DOWN THRUST NO SCALE CO NOSE BLOCK TAILA \F3D15B /I' ---F4 BLOCKAFlEPOXY IN 1/2 BLOCK DRAIN HOLE DRAIN SHEETSCRAP1/4 SHEET PLANKING TANKTRIM AFTER1/4 SHEET 1 BLOCKREMOVING FROM PLANS1/4SHEET LEAVE OUT UNTIL LANDING GEAR IS INSTALLED 1/B 3/4 SHEET oSHEET BALSA NOT SCRAP1/B SHEET REQUIRED ON BOTTOM OF FUSELAGE SECTION A-A 3 1/A WHEELS tail section authors model made removable held rubberbands big model could easily fit particular car yours has plenty room could permanently mount tail surfaces save bit assembly/disassembly time flying session 34 Model Aviation HOOKS FOR HOLD DOWN RUBBER BANDS SECTION B B 1/BSHEET FULL-SIZE PLANS AVAILABLE . SEE PAGE 180 - NOTCH FOR SERVO LEADS II B-B MAKE CUT-OUTS TO SUIT YOUR RADIO 1/B PLY RADIO TRAY 1/1K PLY HOLE FOR 1/4 DOWEL REMOVABLE TAIL VERSION SIMILAR EXCEPT ADD DOWELS AND 1/1K PLY HINGE 3 PLACES SECURE WITH STRAIGHT PINS -J Li 5/1K DA I 3/B SHEET HARDWOOD DOWEL NTROL CABE1/4SHEET P2 3 TAPE HEET1/BSHEET 1/4503/B SO VV4 DOWELI 3/1K DOXEL-REDUIREDr WITH REMOVABLE3/B TRIANGULAR STOCK TAIL ASSEMBLY 3/Bs 314 1/4SIEETI--/-1[ I I i/SHEET 7 1/B SHEET P2 13/4 WHEEL 1/B SHEET1/B PLY SPLICE1/4 50 /TAPER IALON TAIL WHEEL OUTLINE OF FUSELAGEBRACKET EPOXY IN PLACE SIDE BWLT ON PLANS CUT SLOT FOR TAB TAIL,PUASTIC TUBING WHEEL DETAIL TBNDWWRE AND SOUTER 1/lA MUSIC WIRE NYLON PUSH ROD GUIDE GLUE TO P3 AFTER PLANIKNG OVER FUEL TANK F 3 1/B SHEET SUPPORT FOR LOWER EDGE OF WINOSH EUD GEON /B SHEET ALL WOOD -BALSA-UNLESS NOTED CAVALIER RADIO CONTROLLED SPORT 35 sheet 1 WINGAREA 1200 SR K rcsruAKJNb WING SPAN BO R-R2 DESIGNED DRAWN & TRACED front end fuselage has fixed cowl engine installed uprightagain simplicity easy starting good cooling main landing gear easy make having just three beds wire stalled after fuselage complete sim plifying phase construction strayed original goals used clear acetate cabin windows feel improvement appearance justifies extra work wing absolute simplicity basi cally scaled-up version type usually found small rubber-powered models one-piece wing V-dihedral use V8-in sheet wing tips things easy building would have difficult use wing hold-down bolts sheet covering distribute load feel holddown rubberbands keeping design allow lighter model would possible bolt-on system John Laycock hooks up rubberbands hold tail section early picture landing gear 1/8-in music wire Trexler wheels use Being too springy author changed 5/32-in wire low-bounce wheels did trick very nicely May 1984 35 6 ROLL MYLAR COVERING WING HORIZOKTATAIL THE WING AND HORIZONTA TAIL CAN BE COVERED USNG TWO 6 ROLLS GE MYAR COVERING I W NG II 11 KEEP DIHE SHEAR WE - n ~== AFT DIHEDRAL BRACE1/16 PLY FWD DIHEDRAL BRACE1/16 PLY 1/2 50 LEADING EDGE SCRAP BLOCK WING TIP TEMPLATE MAKE FROM CARD USE TEMPLATE TO TRIM SPARS LEADING EDGE AND TRAILING EDGE k 2 3/4 DIHEDRAL EACH WING AT THIS POINT SPLICE TYPIC AL 3/B SD IU WING TIP 2 REQUIRED i/B SHEET jTRIM AFTER ASSEMBLY WING RIB 20 REQUIRED 3/32 SHEET 1 REQUIRED 1/8 SHEET II 1 1/4 TRAILING EDGE STOCK Fuselage construction Start building sides over plan Use flat building board protect plan kitchen Mylar film such Saran Wrap Use 1/4-in sq medium grade balsa select straight est pieces longerons longeron splicing try method shown sheet two plansit works Also sanding fuselage crosspieces use sanding block method shown sheet two Use razor saw such Zona Saw cut crosspieces little longer required finish length sanding block used cya noacrylate CyA glue throughout except needed extra strength used 5-mm epoxy didnt build second side top first method works fine AB Vs sq longerons cum bersome size fuselage first side complete remove plans flip over check joints Add extra glue required Build second side Cut out firewall formers Fl F2 important made accurately squareness fuselage 36 Model Aviation See tiny bumps underside wing stabilizer tips Skids recommended big wing light loading tend tip model ground crosswind FULL-SIZE PLANS AVAILABLE. SEE PAGE 180 MEDIUM GARNET SANDING BLOCK PAPER 1OLD BALSA STRrP AND SLIDE SANDING BOCK THIS METHOD OF SANDING THE FUSELAGE AND TAIL CROSS MEMBERS WILL ENSURE ACCURATE JOINTS OUR 3/B SC 1/4 DOWE REQUIRED WITH REMOVABE TAIL VERSION 1/B SHEET RIB VW 0 DIHEDRAL BRACE EPOXY IN PLACE WINO TEMPLATE ____________________ _______________________ _____________ fi 2 1 l/4 -1/16 PLY EPOXY IN PLACE FIBER GLASS OR LINEN -EPOXY 1 3/32 MUSIC WIRE UNCOVERED N FOR HOLD DOWN RUBBER BANDS K~LEAVE EXTEND TO REAR SPARz13/BX 1 1/2 FOR FIXED TAIL VERSION REAR SPAR HINGE-4 PLACES STRAIGHT PINS APT DIHEDRAL BRACE EPOXY IN PLACE ALSA STRIPS TOGETHER DURING CUTTING AND SANDING FOR GOOD JOINT METHOD OF SPLICING LONGERONS AND SPARS CAVALIER SHEET 2 REQUIRED ONLY FOR REMOVABLE TAIL VERSION depends Now good time form main landing gear Use cutoff wheel drill motor cut 5/32-in-dia music wire should wearing safety glasses doing kind work Locate drill holes three J-bolts dont finalassemble main gear former time Its lot easier work fuselage youre apt stabbed landing gear Epoxy firewall formers side fuselage use square keep formers true hardened epoxy second side Again careful maintain squareness epoxy second side has hardened pull back end fuselage together add crosspieces Complete fuselage shown plans Add engine mount platform fuel tank didnt fuel-proof fuel tank compartment did make sure fuel tank cap properly tightened Install fuel tubing through firewall before closing off compartment Seal ends tubes keep out sanding dust Also identify tubes correct hookup laterContinued page 135 May 1984 37 EB -1/16 SHEETAL GRAIN Li\ 0123SS Enya 35 nose looks almost lost total size Cavalier Its large size gives plane docile flight characteristics has controls elevator rudder engine Fun/Winter Continued page 28 modest figure still lot choppers modeling world have others course including rotor span 10 ft Army An other requirement magazine s selection sales above $100000 less $15000000 drone connection Although first patented remotely-piloted vehicle drone dated WW days until WW II RPVs became practical part military hardware mainly lifelike targets Things like OQ2A remembered modelers later full-scale all-wood Culver Ca det About 12 ft span generous dihedral OQ2A powered Mc Culloch engine Ive told thing 5 10 hp up 18 looked like overblown Outdoor Rub ber job flat-topped triangular cross-sectioned fuselage thing catapulted shock cord off long launcher open-frame tubular con struction could hit 175 retrieval hit shut down engine popped chute top hatch first Mirror Meet 1947 Grummans Bethpage Long Island Army demonstrated three Wild man shot vertically over head heard did see thunderous impact concrete runway under Good Humor truck As Free Flight er knew what expect An other tore up sky until pilot goofed radio glitched demolish ing chicken coop its feathered habitants So heres Warren Anderson started Ohlsson 23 FF Gas jobs before WW II military assignments writes crew chief Radio Airplane Target Detachment flying OQ 2A drones first crew trained Army personnel Fort Bliss TX 1943 related us Good brothers taken RC idea several military units unable stir up much interest Finally US Cavalry accepted idea ac cording developed OQ2A wonder what Walt Good has say about Reginald Denny involved early manufacturing plane Mr Smith pointed out article merican Aircraft Modeler March 1971 picture took Radioplane plant 1943 shows both Smith Denny Reginald Denny handsome movie actor considerable fame truly good guy aviation Im going check out believe Reginald pilot interested air schools certainly major model airplane manufacturer advertised heavily mags grand FF Gas model kit Dennyplane fondly-re membered engine Dennymite Dennyplane famous day round-nosed aluminum cowl highwinged cabin model flew superb ly gosh looked like full-size plane lot people recent years have built thanks Doc Mathews revival January 1977 Model Aviation Plan No 169 $4 Power 19 25 Denny far cellu loid hero us Youll love Dennyplane Incidentally Radioplane produced 13935 drones under three designations Bill Winter 4426 Altura Ct Fairfax VA 22030 Cavalier/Laycock Continued oaoe 37 Epoxy balsa blocks place engine cowl Shape sand final contour keep very sharp chisel handy shaping carving balsa find faster using razor blades knife Use chisel carve close final size finish sanding Add gussets windshield side windows affixed contact cement engine compartment given two coats epoxy paint little tricky paint around engine mount used long cotton swab inserted through drain Continued page 138 May1984 135 ILZUZL a/c 361 Iso RoadSan Antonio TX 73216 512 414712 FUTABA 7FGKFM23395 6FGK FMSOLD OUT 7FGK18495 6FGK16495 5FGK15495 6FG15495 4FG14995 4L3-5/2810495 2F2/S-28-R4H7495 S-28SERVO1895 5-32SERVO2595 COVERINGS Monokote Opaque 3 Rolls1695 Monokoge Trans. 3 Rolls1695 Monokote Met. 3 Rolls2095 CYANOACRYLATE Hot Stuff HS-t e169 Itol Stuff HSTl /z Ounce169 Hot Stuff HS-4 2 Ounce589 Hot Stuff HST-4 2 Ounce539 Slot Shot245 Jet Ouncet79 Super Jet e179 Jet 2 Ounce599 Super Jet 2 Ounce599 EPOXY GLUE Deveon 30 Minute 9 Ounce595 Devrou 5 Minute 9 Ounce595 Hobbypoxy 113 Ounce359 tiobbypoxy IV 3 Ounce559 Hobbypoxy III 3 Ounce295 SULLIVAN HT #600 Starter2795 HTD #601 Starter3095 HTD24 #602 Starter3295 PLEASE NOTE Prices subject change manufacturers prices change items subject availability time sale Prices effect until next Model Aviation Issue Show room prices may slightly higher Visit show room San Antonio jW discount price list refunded first order Shipping& Handling Prepaid orders S300 COD Credit Card orders 5595 Overseas orders add estimated shipping 25% deposit re4uired first lime COD 55% sates tax required Texas residents Personal checks delay shipping 15 days Cavalier/Laycock Continued oaae 135 hole get below engine mount better have too much paint enough ready cover fuselage now time add main landing gear After covering add tail wheel assembly wing tail hold-down dowels tray method radio installation has worked fine Use epoxy mount tray Incidentally tray strengthens center fuselage sure about getting center gravity CG lo cated correctly install radio tray last move fore aft get proper balance position Wing Once ribs cut wing panels assemble quite fast Incidentally four ribs can cut 3 x 36-in sheet made rib template As ply splicing two pieces together make big enough piece Build wing half flat plan Before joining two wing halves com plete wing tips easier work just half wing number ways join wing halves have favorite means go ahead use method works well follows As build wing half trim spars leading trailing edges correct length dihedral angle dihedral angle template very useful worth effort necessary make Build both wing halves add Vs-in center rib wing half Blockup half bring two halves together check fit satisfied glue epoxy Now have complete wing needing dihedral reinforcing Carefully slot center ribs dihedral braces Glue epoxy clamp place Finally add shear webs wing ready final sanding Tail Construction straightforward Square ends crosspieces sanding block careful cutting slots hinges Unless hinge pins exactly line will take extra force move control surface putting extra load radio servo battery Whether make tail assembly remov able epoxy permanently fuselage usually depends space ve hicle mid-sized two-door Ameri can car can carry wing inside pas senger area fuselage removable tail carried trunk transporta tion permits one-piece fuselage tail build wayyoull save yourself some extra work Finishing used translucent Super Mono Kote looks great built-up fuselage also adds sense being light weight wing tail can covered two rolls pieces cut shown plan use method make Super MonoKote lap joint over wing rib dont shrink part until whole wing has covered Make sure lap joint well-sealed use regular house hold iron final shrinking trim around windows used /4-in pressure-sensitive tape After cover ing add tip skids wing horizon tal taildont fly holding wing down make six 10-in loops use 20 rubber -in rubber strip Flying will find Cavalier easy plane fly However havent flown multi-channel RC before suggest have qualified flier help during early flights Cavalier doesnt have vices Its likely ground-loop take off landing Basic commonsense rules apply take off make sure model heading directly wind important lightly-loaded models such Cavalier Landings fun final approach should directly wind Cut engine throttle idle Add up-elevator trim establish glide start flare-out model about six feet above ground Keep giving vp-elevator until touch-down stick should way back point As takeoff very little roll windy weather dont attempt taxiing Once model turned crosswind wind will tend flip over does very little damage modelthe wing strongbut does spoil otherwise good landing usually kill engine carry model back pits Have fun building flying Cavalier Its model pushing state art honest goodness fun flier Radio Technique/Myers Continued page 39 ary 1982 MA page 30 can used monitoring tool arent flying can go off flight line about 500 feet plug Bird-dog airplane turn ON try find out whats hap pening channel unit draws quite bit flight pack about 300 mA use Ace Fast Field Charger 34K40 similar device put back what take out before flying youre too thrilled idea running down flight pack heres another approach Figure 3 shows Ace Sil ver Seven transmitter modified addi tion small RC receiver loudspeaker inside set could likewise Since have 5R900 battery pack trans mitter expanded-scale voltmeter front panel small current drawn monitoring no concern switch back transmitter selects either Monitor Transmitter function thought playing might plug receiver crystal monitor check channel before 138 Model Aviation RIC SCALE PLANS Curtlsn Hawk P44 60 apan 1500 aq I. lieu$3495 Aeronca Modal K-193731apan$1995 Piper Sup Cub Cnalnar PA-I 2 31 upas. S 1995 Piper Pacar PA-20 39 span Vs Scat$2995 Piper Trl-PncerPA-22 39 span V Scale 5 DH-85 Leopard Moth l11tpas /Scal#$1995 DH.80A Puns Moth ill apes VScaIe$1995 Sphsks Akronsa afar 60 spas Ill Scala$1495 Send SelfAddreaaed Stamped Envelope Complete List HOBBY CAPITOL RIC 46 N Oak St. Ventura CA 93001
Edition: Model Aviation - 1984/05
Page Numbers: 30, 31, 32, 33, 34, 35, 36, 37, 135, 138
THIS IS SPORT Old-Timer excellent s first model lots fun flier nn gear has no te loop Cavalier htweight ma L rour-cycle horns mv Eny m adequi te cc tuft sh~ Ss cb~ mxli hardiiv good luck airfoil fact didnt build washout wing high-wing layout slow fly ing characteristics didnt justify keeping design criterion keep light companion desire keep simple case keeping simple means fast building found out hard way lot time can eaten up complicated construction tried benefit building design experience including some innovative ideas Cav alier Maybe some will obvious have used times before What Ive done pick out ones have worked put together design Some areas kept simple light follow fuselage construction decided use longeron crosspiece method instead common sheet construction can argued sheet simpler building way lot lighter covered fuselage very strong wanted avoid loose cowl So times fasteners get lost dont work cowl ends up being held rubberbands worse left off So 32 Model Aviation t Theres plenty room three servos foamwrapped battery raculvor mnsteaa OT runneroanas tne author uses tension springs mede 015 music wire hold battery receiver wind spring clamps hand drill bench vise chucks piece 1/8-in drill rod sticks end music wire between chuck jaws turns hand drill Voilal Right cowl upper lower permanently glued place avoiding sometimes-problem loose pieces handy needle valve extension brass tubing wea soldered few hand flips author brings engine life Cavalier ready another flight Wed recommend having model restrained helper starting possible avoid danger getting hand wrist caught spinning prop Falk picture IlK 3/8 SQ ALL PIN RUDDER FRAMING 3/8 SHEET FCAMS 3/BX IALL CONTOURS 3/32 M WIRE ELEItR TIE IIJ 1/16 PlY WOOD REtJF 3/8XIT EDGE 1/16 PLYWOOD BRACES FRONT BACK OF SWR AT C/S ONLY L4 SHEET WING CRADLE BANDS HOLD TAIL TO I/B DOWELS 1/4 CRADLE 9JPPORTS FOR ONE PIECE WING BALSA FORM FOR1/4 DOWEL WINDSHIELD F 1 1/8 PLYWOOD SHEET 1/8 SHEET PLAMING COWL II / 7/ 77 3/8 50 FR4MES WHEEL ON STEERABLE WE THRU NYLON I/8PLY PIATM Win-I ALIGN DOWELS FOR TAIL REMOVAL ON I/B PLYWOOD iD BOTTOM I$4SQ FUSELAGE FRAMING AND LONGERONS 1/4 DOWEL W ING I-IOLD DOWNS 7 V4T EDGE ENVA 35 ON HAYES MOUNT BALSA BLOCKS FORM FIXED COWL -x -7 K 7 L I$4PLYWOOD FIREWALL I/B SHEET FOR TRAY SIDESAfl FL IlSIDE LDONS 1/4 SHEET BALSA BRACtIG 1/16 PLYWOOD SERVO TRAYS 1/8 SHEET BALSA BOXES FOR RADIO BATTERIES F 2 1/8 SHEET FRAMING 1/16 PLYWOOD WING REAR SPAR Ci ONLY 7 7 7 FRONTANDBACK 3/8 50 HARD UPPER LOWER SPARS Vs SHEET WEBS FtJT SPAR GLYI/B SHEET liPS FORM 3/32 SHEET RIBS 1/2 50 LEDGE INTO RIB tIO1tHES 31/4 WHEELS ON 5/32MWIRE U-BOLT TO F 1 BULKHEAD Li APER BEFORE INSTALLING ON FUSELAGE WINDSHIELD FLAT P 015 BUTYRATE SHI F 117 ENGINE MOUNT HAYES OR EOUIVAUENT 5/32 MUSIC WIRE H Ii 1/4 FOAM 3/4x 1 BLOCK CUT GROOVE FOR 1/4 DOWEL BEFORE GLUING INSERT DOWEL AFTER INSTALLING WINDSHIELD B ENYA 35 SI-lOAN 1/4 DOWEL B oz CLUNA TANK PRESSURE TAP NOT USED WINO DIHEDRAL3 DOWN THRUST NO SCALE CO NOSE BLOCK TAILA \F3D15B /I' ---F4 BLOCKAFlEPOXY IN 1/2 BLOCK DRAIN HOLE DRAIN SHEETSCRAP1/4 SHEET PLANKING TANKTRIM AFTER1/4 SHEET 1 BLOCKREMOVING FROM PLANS1/4SHEET LEAVE OUT UNTIL LANDING GEAR IS INSTALLED 1/B 3/4 SHEET oSHEET BALSA NOT SCRAP1/B SHEET REQUIRED ON BOTTOM OF FUSELAGE SECTION A-A 3 1/A WHEELS tail section authors model made removable held rubberbands big model could easily fit particular car yours has plenty room could permanently mount tail surfaces save bit assembly/disassembly time flying session 34 Model Aviation HOOKS FOR HOLD DOWN RUBBER BANDS SECTION B B 1/BSHEET FULL-SIZE PLANS AVAILABLE . SEE PAGE 180 - NOTCH FOR SERVO LEADS II B-B MAKE CUT-OUTS TO SUIT YOUR RADIO 1/B PLY RADIO TRAY 1/1K PLY HOLE FOR 1/4 DOWEL REMOVABLE TAIL VERSION SIMILAR EXCEPT ADD DOWELS AND 1/1K PLY HINGE 3 PLACES SECURE WITH STRAIGHT PINS -J Li 5/1K DA I 3/B SHEET HARDWOOD DOWEL NTROL CABE1/4SHEET P2 3 TAPE HEET1/BSHEET 1/4503/B SO VV4 DOWELI 3/1K DOXEL-REDUIREDr WITH REMOVABLE3/B TRIANGULAR STOCK TAIL ASSEMBLY 3/Bs 314 1/4SIEETI--/-1[ I I i/SHEET 7 1/B SHEET P2 13/4 WHEEL 1/B SHEET1/B PLY SPLICE1/4 50 /TAPER IALON TAIL WHEEL OUTLINE OF FUSELAGEBRACKET EPOXY IN PLACE SIDE BWLT ON PLANS CUT SLOT FOR TAB TAIL,PUASTIC TUBING WHEEL DETAIL TBNDWWRE AND SOUTER 1/lA MUSIC WIRE NYLON PUSH ROD GUIDE GLUE TO P3 AFTER PLANIKNG OVER FUEL TANK F 3 1/B SHEET SUPPORT FOR LOWER EDGE OF WINOSH EUD GEON /B SHEET ALL WOOD -BALSA-UNLESS NOTED CAVALIER RADIO CONTROLLED SPORT 35 sheet 1 WINGAREA 1200 SR K rcsruAKJNb WING SPAN BO R-R2 DESIGNED DRAWN & TRACED front end fuselage has fixed cowl engine installed uprightagain simplicity easy starting good cooling main landing gear easy make having just three beds wire stalled after fuselage complete sim plifying phase construction strayed original goals used clear acetate cabin windows feel improvement appearance justifies extra work wing absolute simplicity basi cally scaled-up version type usually found small rubber-powered models one-piece wing V-dihedral use V8-in sheet wing tips things easy building would have difficult use wing hold-down bolts sheet covering distribute load feel holddown rubberbands keeping design allow lighter model would possible bolt-on system John Laycock hooks up rubberbands hold tail section early picture landing gear 1/8-in music wire Trexler wheels use Being too springy author changed 5/32-in wire low-bounce wheels did trick very nicely May 1984 35 6 ROLL MYLAR COVERING WING HORIZOKTATAIL THE WING AND HORIZONTA TAIL CAN BE COVERED USNG TWO 6 ROLLS GE MYAR COVERING I W NG II 11 KEEP DIHE SHEAR WE - n ~== AFT DIHEDRAL BRACE1/16 PLY FWD DIHEDRAL BRACE1/16 PLY 1/2 50 LEADING EDGE SCRAP BLOCK WING TIP TEMPLATE MAKE FROM CARD USE TEMPLATE TO TRIM SPARS LEADING EDGE AND TRAILING EDGE k 2 3/4 DIHEDRAL EACH WING AT THIS POINT SPLICE TYPIC AL 3/B SD IU WING TIP 2 REQUIRED i/B SHEET jTRIM AFTER ASSEMBLY WING RIB 20 REQUIRED 3/32 SHEET 1 REQUIRED 1/8 SHEET II 1 1/4 TRAILING EDGE STOCK Fuselage construction Start building sides over plan Use flat building board protect plan kitchen Mylar film such Saran Wrap Use 1/4-in sq medium grade balsa select straight est pieces longerons longeron splicing try method shown sheet two plansit works Also sanding fuselage crosspieces use sanding block method shown sheet two Use razor saw such Zona Saw cut crosspieces little longer required finish length sanding block used cya noacrylate CyA glue throughout except needed extra strength used 5-mm epoxy didnt build second side top first method works fine AB Vs sq longerons cum bersome size fuselage first side complete remove plans flip over check joints Add extra glue required Build second side Cut out firewall formers Fl F2 important made accurately squareness fuselage 36 Model Aviation See tiny bumps underside wing stabilizer tips Skids recommended big wing light loading tend tip model ground crosswind FULL-SIZE PLANS AVAILABLE. SEE PAGE 180 MEDIUM GARNET SANDING BLOCK PAPER 1OLD BALSA STRrP AND SLIDE SANDING BOCK THIS METHOD OF SANDING THE FUSELAGE AND TAIL CROSS MEMBERS WILL ENSURE ACCURATE JOINTS OUR 3/B SC 1/4 DOWE REQUIRED WITH REMOVABE TAIL VERSION 1/B SHEET RIB VW 0 DIHEDRAL BRACE EPOXY IN PLACE WINO TEMPLATE ____________________ _______________________ _____________ fi 2 1 l/4 -1/16 PLY EPOXY IN PLACE FIBER GLASS OR LINEN -EPOXY 1 3/32 MUSIC WIRE UNCOVERED N FOR HOLD DOWN RUBBER BANDS K~LEAVE EXTEND TO REAR SPARz13/BX 1 1/2 FOR FIXED TAIL VERSION REAR SPAR HINGE-4 PLACES STRAIGHT PINS APT DIHEDRAL BRACE EPOXY IN PLACE ALSA STRIPS TOGETHER DURING CUTTING AND SANDING FOR GOOD JOINT METHOD OF SPLICING LONGERONS AND SPARS CAVALIER SHEET 2 REQUIRED ONLY FOR REMOVABLE TAIL VERSION depends Now good time form main landing gear Use cutoff wheel drill motor cut 5/32-in-dia music wire should wearing safety glasses doing kind work Locate drill holes three J-bolts dont finalassemble main gear former time Its lot easier work fuselage youre apt stabbed landing gear Epoxy firewall formers side fuselage use square keep formers true hardened epoxy second side Again careful maintain squareness epoxy second side has hardened pull back end fuselage together add crosspieces Complete fuselage shown plans Add engine mount platform fuel tank didnt fuel-proof fuel tank compartment did make sure fuel tank cap properly tightened Install fuel tubing through firewall before closing off compartment Seal ends tubes keep out sanding dust Also identify tubes correct hookup laterContinued page 135 May 1984 37 EB -1/16 SHEETAL GRAIN Li\ 0123SS Enya 35 nose looks almost lost total size Cavalier Its large size gives plane docile flight characteristics has controls elevator rudder engine Fun/Winter Continued page 28 modest figure still lot choppers modeling world have others course including rotor span 10 ft Army An other requirement magazine s selection sales above $100000 less $15000000 drone connection Although first patented remotely-piloted vehicle drone dated WW days until WW II RPVs became practical part military hardware mainly lifelike targets Things like OQ2A remembered modelers later full-scale all-wood Culver Ca det About 12 ft span generous dihedral OQ2A powered Mc Culloch engine Ive told thing 5 10 hp up 18 looked like overblown Outdoor Rub ber job flat-topped triangular cross-sectioned fuselage thing catapulted shock cord off long launcher open-frame tubular con struction could hit 175 retrieval hit shut down engine popped chute top hatch first Mirror Meet 1947 Grummans Bethpage Long Island Army demonstrated three Wild man shot vertically over head heard did see thunderous impact concrete runway under Good Humor truck As Free Flight er knew what expect An other tore up sky until pilot goofed radio glitched demolish ing chicken coop its feathered habitants So heres Warren Anderson started Ohlsson 23 FF Gas jobs before WW II military assignments writes crew chief Radio Airplane Target Detachment flying OQ 2A drones first crew trained Army personnel Fort Bliss TX 1943 related us Good brothers taken RC idea several military units unable stir up much interest Finally US Cavalry accepted idea ac cording developed OQ2A wonder what Walt Good has say about Reginald Denny involved early manufacturing plane Mr Smith pointed out article merican Aircraft Modeler March 1971 picture took Radioplane plant 1943 shows both Smith Denny Reginald Denny handsome movie actor considerable fame truly good guy aviation Im going check out believe Reginald pilot interested air schools certainly major model airplane manufacturer advertised heavily mags grand FF Gas model kit Dennyplane fondly-re membered engine Dennymite Dennyplane famous day round-nosed aluminum cowl highwinged cabin model flew superb ly gosh looked like full-size plane lot people recent years have built thanks Doc Mathews revival January 1977 Model Aviation Plan No 169 $4 Power 19 25 Denny far cellu loid hero us Youll love Dennyplane Incidentally Radioplane produced 13935 drones under three designations Bill Winter 4426 Altura Ct Fairfax VA 22030 Cavalier/Laycock Continued oaoe 37 Epoxy balsa blocks place engine cowl Shape sand final contour keep very sharp chisel handy shaping carving balsa find faster using razor blades knife Use chisel carve close final size finish sanding Add gussets windshield side windows affixed contact cement engine compartment given two coats epoxy paint little tricky paint around engine mount used long cotton swab inserted through drain Continued page 138 May1984 135 ILZUZL a/c 361 Iso RoadSan Antonio TX 73216 512 414712 FUTABA 7FGKFM23395 6FGK FMSOLD OUT 7FGK18495 6FGK16495 5FGK15495 6FG15495 4FG14995 4L3-5/2810495 2F2/S-28-R4H7495 S-28SERVO1895 5-32SERVO2595 COVERINGS Monokote Opaque 3 Rolls1695 Monokoge Trans. 3 Rolls1695 Monokote Met. 3 Rolls2095 CYANOACRYLATE Hot Stuff HS-t e169 Itol Stuff HSTl /z Ounce169 Hot Stuff HS-4 2 Ounce589 Hot Stuff HST-4 2 Ounce539 Slot Shot245 Jet Ouncet79 Super Jet e179 Jet 2 Ounce599 Super Jet 2 Ounce599 EPOXY GLUE Deveon 30 Minute 9 Ounce595 Devrou 5 Minute 9 Ounce595 Hobbypoxy 113 Ounce359 tiobbypoxy IV 3 Ounce559 Hobbypoxy III 3 Ounce295 SULLIVAN HT #600 Starter2795 HTD #601 Starter3095 HTD24 #602 Starter3295 PLEASE NOTE Prices subject change manufacturers prices change items subject availability time sale Prices effect until next Model Aviation Issue Show room prices may slightly higher Visit show room San Antonio jW discount price list refunded first order Shipping& Handling Prepaid orders S300 COD Credit Card orders 5595 Overseas orders add estimated shipping 25% deposit re4uired first lime COD 55% sates tax required Texas residents Personal checks delay shipping 15 days Cavalier/Laycock Continued oaae 135 hole get below engine mount better have too much paint enough ready cover fuselage now time add main landing gear After covering add tail wheel assembly wing tail hold-down dowels tray method radio installation has worked fine Use epoxy mount tray Incidentally tray strengthens center fuselage sure about getting center gravity CG lo cated correctly install radio tray last move fore aft get proper balance position Wing Once ribs cut wing panels assemble quite fast Incidentally four ribs can cut 3 x 36-in sheet made rib template As ply splicing two pieces together make big enough piece Build wing half flat plan Before joining two wing halves com plete wing tips easier work just half wing number ways join wing halves have favorite means go ahead use method works well follows As build wing half trim spars leading trailing edges correct length dihedral angle dihedral angle template very useful worth effort necessary make Build both wing halves add Vs-in center rib wing half Blockup half bring two halves together check fit satisfied glue epoxy Now have complete wing needing dihedral reinforcing Carefully slot center ribs dihedral braces Glue epoxy clamp place Finally add shear webs wing ready final sanding Tail Construction straightforward Square ends crosspieces sanding block careful cutting slots hinges Unless hinge pins exactly line will take extra force move control surface putting extra load radio servo battery Whether make tail assembly remov able epoxy permanently fuselage usually depends space ve hicle mid-sized two-door Ameri can car can carry wing inside pas senger area fuselage removable tail carried trunk transporta tion permits one-piece fuselage tail build wayyoull save yourself some extra work Finishing used translucent Super Mono Kote looks great built-up fuselage also adds sense being light weight wing tail can covered two rolls pieces cut shown plan use method make Super MonoKote lap joint over wing rib dont shrink part until whole wing has covered Make sure lap joint well-sealed use regular house hold iron final shrinking trim around windows used /4-in pressure-sensitive tape After cover ing add tip skids wing horizon tal taildont fly holding wing down make six 10-in loops use 20 rubber -in rubber strip Flying will find Cavalier easy plane fly However havent flown multi-channel RC before suggest have qualified flier help during early flights Cavalier doesnt have vices Its likely ground-loop take off landing Basic commonsense rules apply take off make sure model heading directly wind important lightly-loaded models such Cavalier Landings fun final approach should directly wind Cut engine throttle idle Add up-elevator trim establish glide start flare-out model about six feet above ground Keep giving vp-elevator until touch-down stick should way back point As takeoff very little roll windy weather dont attempt taxiing Once model turned crosswind wind will tend flip over does very little damage modelthe wing strongbut does spoil otherwise good landing usually kill engine carry model back pits Have fun building flying Cavalier Its model pushing state art honest goodness fun flier Radio Technique/Myers Continued page 39 ary 1982 MA page 30 can used monitoring tool arent flying can go off flight line about 500 feet plug Bird-dog airplane turn ON try find out whats hap pening channel unit draws quite bit flight pack about 300 mA use Ace Fast Field Charger 34K40 similar device put back what take out before flying youre too thrilled idea running down flight pack heres another approach Figure 3 shows Ace Sil ver Seven transmitter modified addi tion small RC receiver loudspeaker inside set could likewise Since have 5R900 battery pack trans mitter expanded-scale voltmeter front panel small current drawn monitoring no concern switch back transmitter selects either Monitor Transmitter function thought playing might plug receiver crystal monitor check channel before 138 Model Aviation RIC SCALE PLANS Curtlsn Hawk P44 60 apan 1500 aq I. lieu$3495 Aeronca Modal K-193731apan$1995 Piper Sup Cub Cnalnar PA-I 2 31 upas. S 1995 Piper Pacar PA-20 39 span Vs Scat$2995 Piper Trl-PncerPA-22 39 span V Scale 5 DH-85 Leopard Moth l11tpas /Scal#$1995 DH.80A Puns Moth ill apes VScaIe$1995 Sphsks Akronsa afar 60 spas Ill Scala$1495 Send SelfAddreaaed Stamped Envelope Complete List HOBBY CAPITOL RIC 46 N Oak St. Ventura CA 93001
Edition: Model Aviation - 1984/05
Page Numbers: 30, 31, 32, 33, 34, 35, 36, 37, 135, 138
THIS IS SPORT Old-Timer excellent s first model lots fun flier nn gear has no te loop Cavalier htweight ma L rour-cycle horns mv Eny m adequi te cc tuft sh~ Ss cb~ mxli hardiiv good luck airfoil fact didnt build washout wing high-wing layout slow fly ing characteristics didnt justify keeping design criterion keep light companion desire keep simple case keeping simple means fast building found out hard way lot time can eaten up complicated construction tried benefit building design experience including some innovative ideas Cav alier Maybe some will obvious have used times before What Ive done pick out ones have worked put together design Some areas kept simple light follow fuselage construction decided use longeron crosspiece method instead common sheet construction can argued sheet simpler building way lot lighter covered fuselage very strong wanted avoid loose cowl So times fasteners get lost dont work cowl ends up being held rubberbands worse left off So 32 Model Aviation t Theres plenty room three servos foamwrapped battery raculvor mnsteaa OT runneroanas tne author uses tension springs mede 015 music wire hold battery receiver wind spring clamps hand drill bench vise chucks piece 1/8-in drill rod sticks end music wire between chuck jaws turns hand drill Voilal Right cowl upper lower permanently glued place avoiding sometimes-problem loose pieces handy needle valve extension brass tubing wea soldered few hand flips author brings engine life Cavalier ready another flight Wed recommend having model restrained helper starting possible avoid danger getting hand wrist caught spinning prop Falk picture IlK 3/8 SQ ALL PIN RUDDER FRAMING 3/8 SHEET FCAMS 3/BX IALL CONTOURS 3/32 M WIRE ELEItR TIE IIJ 1/16 PlY WOOD REtJF 3/8XIT EDGE 1/16 PLYWOOD BRACES FRONT BACK OF SWR AT C/S ONLY L4 SHEET WING CRADLE BANDS HOLD TAIL TO I/B DOWELS 1/4 CRADLE 9JPPORTS FOR ONE PIECE WING BALSA FORM FOR1/4 DOWEL WINDSHIELD F 1 1/8 PLYWOOD SHEET 1/8 SHEET PLAMING COWL II / 7/ 77 3/8 50 FR4MES WHEEL ON STEERABLE WE THRU NYLON I/8PLY PIATM Win-I ALIGN DOWELS FOR TAIL REMOVAL ON I/B PLYWOOD iD BOTTOM I$4SQ FUSELAGE FRAMING AND LONGERONS 1/4 DOWEL W ING I-IOLD DOWNS 7 V4T EDGE ENVA 35 ON HAYES MOUNT BALSA BLOCKS FORM FIXED COWL -x -7 K 7 L I$4PLYWOOD FIREWALL I/B SHEET FOR TRAY SIDESAfl FL IlSIDE LDONS 1/4 SHEET BALSA BRACtIG 1/16 PLYWOOD SERVO TRAYS 1/8 SHEET BALSA BOXES FOR RADIO BATTERIES F 2 1/8 SHEET FRAMING 1/16 PLYWOOD WING REAR SPAR Ci ONLY 7 7 7 FRONTANDBACK 3/8 50 HARD UPPER LOWER SPARS Vs SHEET WEBS FtJT SPAR GLYI/B SHEET liPS FORM 3/32 SHEET RIBS 1/2 50 LEDGE INTO RIB tIO1tHES 31/4 WHEELS ON 5/32MWIRE U-BOLT TO F 1 BULKHEAD Li APER BEFORE INSTALLING ON FUSELAGE WINDSHIELD FLAT P 015 BUTYRATE SHI F 117 ENGINE MOUNT HAYES OR EOUIVAUENT 5/32 MUSIC WIRE H Ii 1/4 FOAM 3/4x 1 BLOCK CUT GROOVE FOR 1/4 DOWEL BEFORE GLUING INSERT DOWEL AFTER INSTALLING WINDSHIELD B ENYA 35 SI-lOAN 1/4 DOWEL B oz CLUNA TANK PRESSURE TAP NOT USED WINO DIHEDRAL3 DOWN THRUST NO SCALE CO NOSE BLOCK TAILA \F3D15B /I' ---F4 BLOCKAFlEPOXY IN 1/2 BLOCK DRAIN HOLE DRAIN SHEETSCRAP1/4 SHEET PLANKING TANKTRIM AFTER1/4 SHEET 1 BLOCKREMOVING FROM PLANS1/4SHEET LEAVE OUT UNTIL LANDING GEAR IS INSTALLED 1/B 3/4 SHEET oSHEET BALSA NOT SCRAP1/B SHEET REQUIRED ON BOTTOM OF FUSELAGE SECTION A-A 3 1/A WHEELS tail section authors model made removable held rubberbands big model could easily fit particular car yours has plenty room could permanently mount tail surfaces save bit assembly/disassembly time flying session 34 Model Aviation HOOKS FOR HOLD DOWN RUBBER BANDS SECTION B B 1/BSHEET FULL-SIZE PLANS AVAILABLE . SEE PAGE 180 - NOTCH FOR SERVO LEADS II B-B MAKE CUT-OUTS TO SUIT YOUR RADIO 1/B PLY RADIO TRAY 1/1K PLY HOLE FOR 1/4 DOWEL REMOVABLE TAIL VERSION SIMILAR EXCEPT ADD DOWELS AND 1/1K PLY HINGE 3 PLACES SECURE WITH STRAIGHT PINS -J Li 5/1K DA I 3/B SHEET HARDWOOD DOWEL NTROL CABE1/4SHEET P2 3 TAPE HEET1/BSHEET 1/4503/B SO VV4 DOWELI 3/1K DOXEL-REDUIREDr WITH REMOVABLE3/B TRIANGULAR STOCK TAIL ASSEMBLY 3/Bs 314 1/4SIEETI--/-1[ I I i/SHEET 7 1/B SHEET P2 13/4 WHEEL 1/B SHEET1/B PLY SPLICE1/4 50 /TAPER IALON TAIL WHEEL OUTLINE OF FUSELAGEBRACKET EPOXY IN PLACE SIDE BWLT ON PLANS CUT SLOT FOR TAB TAIL,PUASTIC TUBING WHEEL DETAIL TBNDWWRE AND SOUTER 1/lA MUSIC WIRE NYLON PUSH ROD GUIDE GLUE TO P3 AFTER PLANIKNG OVER FUEL TANK F 3 1/B SHEET SUPPORT FOR LOWER EDGE OF WINOSH EUD GEON /B SHEET ALL WOOD -BALSA-UNLESS NOTED CAVALIER RADIO CONTROLLED SPORT 35 sheet 1 WINGAREA 1200 SR K rcsruAKJNb WING SPAN BO R-R2 DESIGNED DRAWN & TRACED front end fuselage has fixed cowl engine installed uprightagain simplicity easy starting good cooling main landing gear easy make having just three beds wire stalled after fuselage complete sim plifying phase construction strayed original goals used clear acetate cabin windows feel improvement appearance justifies extra work wing absolute simplicity basi cally scaled-up version type usually found small rubber-powered models one-piece wing V-dihedral use V8-in sheet wing tips things easy building would have difficult use wing hold-down bolts sheet covering distribute load feel holddown rubberbands keeping design allow lighter model would possible bolt-on system John Laycock hooks up rubberbands hold tail section early picture landing gear 1/8-in music wire Trexler wheels use Being too springy author changed 5/32-in wire low-bounce wheels did trick very nicely May 1984 35 6 ROLL MYLAR COVERING WING HORIZOKTATAIL THE WING AND HORIZONTA TAIL CAN BE COVERED USNG TWO 6 ROLLS GE MYAR COVERING I W NG II 11 KEEP DIHE SHEAR WE - n ~== AFT DIHEDRAL BRACE1/16 PLY FWD DIHEDRAL BRACE1/16 PLY 1/2 50 LEADING EDGE SCRAP BLOCK WING TIP TEMPLATE MAKE FROM CARD USE TEMPLATE TO TRIM SPARS LEADING EDGE AND TRAILING EDGE k 2 3/4 DIHEDRAL EACH WING AT THIS POINT SPLICE TYPIC AL 3/B SD IU WING TIP 2 REQUIRED i/B SHEET jTRIM AFTER ASSEMBLY WING RIB 20 REQUIRED 3/32 SHEET 1 REQUIRED 1/8 SHEET II 1 1/4 TRAILING EDGE STOCK Fuselage construction Start building sides over plan Use flat building board protect plan kitchen Mylar film such Saran Wrap Use 1/4-in sq medium grade balsa select straight est pieces longerons longeron splicing try method shown sheet two plansit works Also sanding fuselage crosspieces use sanding block method shown sheet two Use razor saw such Zona Saw cut crosspieces little longer required finish length sanding block used cya noacrylate CyA glue throughout except needed extra strength used 5-mm epoxy didnt build second side top first method works fine AB Vs sq longerons cum bersome size fuselage first side complete remove plans flip over check joints Add extra glue required Build second side Cut out firewall formers Fl F2 important made accurately squareness fuselage 36 Model Aviation See tiny bumps underside wing stabilizer tips Skids recommended big wing light loading tend tip model ground crosswind FULL-SIZE PLANS AVAILABLE. SEE PAGE 180 MEDIUM GARNET SANDING BLOCK PAPER 1OLD BALSA STRrP AND SLIDE SANDING BOCK THIS METHOD OF SANDING THE FUSELAGE AND TAIL CROSS MEMBERS WILL ENSURE ACCURATE JOINTS OUR 3/B SC 1/4 DOWE REQUIRED WITH REMOVABE TAIL VERSION 1/B SHEET RIB VW 0 DIHEDRAL BRACE EPOXY IN PLACE WINO TEMPLATE ____________________ _______________________ _____________ fi 2 1 l/4 -1/16 PLY EPOXY IN PLACE FIBER GLASS OR LINEN -EPOXY 1 3/32 MUSIC WIRE UNCOVERED N FOR HOLD DOWN RUBBER BANDS K~LEAVE EXTEND TO REAR SPARz13/BX 1 1/2 FOR FIXED TAIL VERSION REAR SPAR HINGE-4 PLACES STRAIGHT PINS APT DIHEDRAL BRACE EPOXY IN PLACE ALSA STRIPS TOGETHER DURING CUTTING AND SANDING FOR GOOD JOINT METHOD OF SPLICING LONGERONS AND SPARS CAVALIER SHEET 2 REQUIRED ONLY FOR REMOVABLE TAIL VERSION depends Now good time form main landing gear Use cutoff wheel drill motor cut 5/32-in-dia music wire should wearing safety glasses doing kind work Locate drill holes three J-bolts dont finalassemble main gear former time Its lot easier work fuselage youre apt stabbed landing gear Epoxy firewall formers side fuselage use square keep formers true hardened epoxy second side Again careful maintain squareness epoxy second side has hardened pull back end fuselage together add crosspieces Complete fuselage shown plans Add engine mount platform fuel tank didnt fuel-proof fuel tank compartment did make sure fuel tank cap properly tightened Install fuel tubing through firewall before closing off compartment Seal ends tubes keep out sanding dust Also identify tubes correct hookup laterContinued page 135 May 1984 37 EB -1/16 SHEETAL GRAIN Li\ 0123SS Enya 35 nose looks almost lost total size Cavalier Its large size gives plane docile flight characteristics has controls elevator rudder engine Fun/Winter Continued page 28 modest figure still lot choppers modeling world have others course including rotor span 10 ft Army An other requirement magazine s selection sales above $100000 less $15000000 drone connection Although first patented remotely-piloted vehicle drone dated WW days until WW II RPVs became practical part military hardware mainly lifelike targets Things like OQ2A remembered modelers later full-scale all-wood Culver Ca det About 12 ft span generous dihedral OQ2A powered Mc Culloch engine Ive told thing 5 10 hp up 18 looked like overblown Outdoor Rub ber job flat-topped triangular cross-sectioned fuselage thing catapulted shock cord off long launcher open-frame tubular con struction could hit 175 retrieval hit shut down engine popped chute top hatch first Mirror Meet 1947 Grummans Bethpage Long Island Army demonstrated three Wild man shot vertically over head heard did see thunderous impact concrete runway under Good Humor truck As Free Flight er knew what expect An other tore up sky until pilot goofed radio glitched demolish ing chicken coop its feathered habitants So heres Warren Anderson started Ohlsson 23 FF Gas jobs before WW II military assignments writes crew chief Radio Airplane Target Detachment flying OQ 2A drones first crew trained Army personnel Fort Bliss TX 1943 related us Good brothers taken RC idea several military units unable stir up much interest Finally US Cavalry accepted idea ac cording developed OQ2A wonder what Walt Good has say about Reginald Denny involved early manufacturing plane Mr Smith pointed out article merican Aircraft Modeler March 1971 picture took Radioplane plant 1943 shows both Smith Denny Reginald Denny handsome movie actor considerable fame truly good guy aviation Im going check out believe Reginald pilot interested air schools certainly major model airplane manufacturer advertised heavily mags grand FF Gas model kit Dennyplane fondly-re membered engine Dennymite Dennyplane famous day round-nosed aluminum cowl highwinged cabin model flew superb ly gosh looked like full-size plane lot people recent years have built thanks Doc Mathews revival January 1977 Model Aviation Plan No 169 $4 Power 19 25 Denny far cellu loid hero us Youll love Dennyplane Incidentally Radioplane produced 13935 drones under three designations Bill Winter 4426 Altura Ct Fairfax VA 22030 Cavalier/Laycock Continued oaoe 37 Epoxy balsa blocks place engine cowl Shape sand final contour keep very sharp chisel handy shaping carving balsa find faster using razor blades knife Use chisel carve close final size finish sanding Add gussets windshield side windows affixed contact cement engine compartment given two coats epoxy paint little tricky paint around engine mount used long cotton swab inserted through drain Continued page 138 May1984 135 ILZUZL a/c 361 Iso RoadSan Antonio TX 73216 512 414712 FUTABA 7FGKFM23395 6FGK FMSOLD OUT 7FGK18495 6FGK16495 5FGK15495 6FG15495 4FG14995 4L3-5/2810495 2F2/S-28-R4H7495 S-28SERVO1895 5-32SERVO2595 COVERINGS Monokote Opaque 3 Rolls1695 Monokoge Trans. 3 Rolls1695 Monokote Met. 3 Rolls2095 CYANOACRYLATE Hot Stuff HS-t e169 Itol Stuff HSTl /z Ounce169 Hot Stuff HS-4 2 Ounce589 Hot Stuff HST-4 2 Ounce539 Slot Shot245 Jet Ouncet79 Super Jet e179 Jet 2 Ounce599 Super Jet 2 Ounce599 EPOXY GLUE Deveon 30 Minute 9 Ounce595 Devrou 5 Minute 9 Ounce595 Hobbypoxy 113 Ounce359 tiobbypoxy IV 3 Ounce559 Hobbypoxy III 3 Ounce295 SULLIVAN HT #600 Starter2795 HTD #601 Starter3095 HTD24 #602 Starter3295 PLEASE NOTE Prices subject change manufacturers prices change items subject availability time sale Prices effect until next Model Aviation Issue Show room prices may slightly higher Visit show room San Antonio jW discount price list refunded first order Shipping& Handling Prepaid orders S300 COD Credit Card orders 5595 Overseas orders add estimated shipping 25% deposit re4uired first lime COD 55% sates tax required Texas residents Personal checks delay shipping 15 days Cavalier/Laycock Continued oaae 135 hole get below engine mount better have too much paint enough ready cover fuselage now time add main landing gear After covering add tail wheel assembly wing tail hold-down dowels tray method radio installation has worked fine Use epoxy mount tray Incidentally tray strengthens center fuselage sure about getting center gravity CG lo cated correctly install radio tray last move fore aft get proper balance position Wing Once ribs cut wing panels assemble quite fast Incidentally four ribs can cut 3 x 36-in sheet made rib template As ply splicing two pieces together make big enough piece Build wing half flat plan Before joining two wing halves com plete wing tips easier work just half wing number ways join wing halves have favorite means go ahead use method works well follows As build wing half trim spars leading trailing edges correct length dihedral angle dihedral angle template very useful worth effort necessary make Build both wing halves add Vs-in center rib wing half Blockup half bring two halves together check fit satisfied glue epoxy Now have complete wing needing dihedral reinforcing Carefully slot center ribs dihedral braces Glue epoxy clamp place Finally add shear webs wing ready final sanding Tail Construction straightforward Square ends crosspieces sanding block careful cutting slots hinges Unless hinge pins exactly line will take extra force move control surface putting extra load radio servo battery Whether make tail assembly remov able epoxy permanently fuselage usually depends space ve hicle mid-sized two-door Ameri can car can carry wing inside pas senger area fuselage removable tail carried trunk transporta tion permits one-piece fuselage tail build wayyoull save yourself some extra work Finishing used translucent Super Mono Kote looks great built-up fuselage also adds sense being light weight wing tail can covered two rolls pieces cut shown plan use method make Super MonoKote lap joint over wing rib dont shrink part until whole wing has covered Make sure lap joint well-sealed use regular house hold iron final shrinking trim around windows used /4-in pressure-sensitive tape After cover ing add tip skids wing horizon tal taildont fly holding wing down make six 10-in loops use 20 rubber -in rubber strip Flying will find Cavalier easy plane fly However havent flown multi-channel RC before suggest have qualified flier help during early flights Cavalier doesnt have vices Its likely ground-loop take off landing Basic commonsense rules apply take off make sure model heading directly wind important lightly-loaded models such Cavalier Landings fun final approach should directly wind Cut engine throttle idle Add up-elevator trim establish glide start flare-out model about six feet above ground Keep giving vp-elevator until touch-down stick should way back point As takeoff very little roll windy weather dont attempt taxiing Once model turned crosswind wind will tend flip over does very little damage modelthe wing strongbut does spoil otherwise good landing usually kill engine carry model back pits Have fun building flying Cavalier Its model pushing state art honest goodness fun flier Radio Technique/Myers Continued page 39 ary 1982 MA page 30 can used monitoring tool arent flying can go off flight line about 500 feet plug Bird-dog airplane turn ON try find out whats hap pening channel unit draws quite bit flight pack about 300 mA use Ace Fast Field Charger 34K40 similar device put back what take out before flying youre too thrilled idea running down flight pack heres another approach Figure 3 shows Ace Sil ver Seven transmitter modified addi tion small RC receiver loudspeaker inside set could likewise Since have 5R900 battery pack trans mitter expanded-scale voltmeter front panel small current drawn monitoring no concern switch back transmitter selects either Monitor Transmitter function thought playing might plug receiver crystal monitor check channel before 138 Model Aviation RIC SCALE PLANS Curtlsn Hawk P44 60 apan 1500 aq I. lieu$3495 Aeronca Modal K-193731apan$1995 Piper Sup Cub Cnalnar PA-I 2 31 upas. S 1995 Piper Pacar PA-20 39 span Vs Scat$2995 Piper Trl-PncerPA-22 39 span V Scale 5 DH-85 Leopard Moth l11tpas /Scal#$1995 DH.80A Puns Moth ill apes VScaIe$1995 Sphsks Akronsa afar 60 spas Ill Scala$1495 Send SelfAddreaaed Stamped Envelope Complete List HOBBY CAPITOL RIC 46 N Oak St. Ventura CA 93001
Edition: Model Aviation - 1984/05
Page Numbers: 30, 31, 32, 33, 34, 35, 36, 37, 135, 138
THIS IS SPORT Old-Timer excellent s first model lots fun flier nn gear has no te loop Cavalier htweight ma L rour-cycle horns mv Eny m adequi te cc tuft sh~ Ss cb~ mxli hardiiv good luck airfoil fact didnt build washout wing high-wing layout slow fly ing characteristics didnt justify keeping design criterion keep light companion desire keep simple case keeping simple means fast building found out hard way lot time can eaten up complicated construction tried benefit building design experience including some innovative ideas Cav alier Maybe some will obvious have used times before What Ive done pick out ones have worked put together design Some areas kept simple light follow fuselage construction decided use longeron crosspiece method instead common sheet construction can argued sheet simpler building way lot lighter covered fuselage very strong wanted avoid loose cowl So times fasteners get lost dont work cowl ends up being held rubberbands worse left off So 32 Model Aviation t Theres plenty room three servos foamwrapped battery raculvor mnsteaa OT runneroanas tne author uses tension springs mede 015 music wire hold battery receiver wind spring clamps hand drill bench vise chucks piece 1/8-in drill rod sticks end music wire between chuck jaws turns hand drill Voilal Right cowl upper lower permanently glued place avoiding sometimes-problem loose pieces handy needle valve extension brass tubing wea soldered few hand flips author brings engine life Cavalier ready another flight Wed recommend having model restrained helper starting possible avoid danger getting hand wrist caught spinning prop Falk picture IlK 3/8 SQ ALL PIN RUDDER FRAMING 3/8 SHEET FCAMS 3/BX IALL CONTOURS 3/32 M WIRE ELEItR TIE IIJ 1/16 PlY WOOD REtJF 3/8XIT EDGE 1/16 PLYWOOD BRACES FRONT BACK OF SWR AT C/S ONLY L4 SHEET WING CRADLE BANDS HOLD TAIL TO I/B DOWELS 1/4 CRADLE 9JPPORTS FOR ONE PIECE WING BALSA FORM FOR1/4 DOWEL WINDSHIELD F 1 1/8 PLYWOOD SHEET 1/8 SHEET PLAMING COWL II / 7/ 77 3/8 50 FR4MES WHEEL ON STEERABLE WE THRU NYLON I/8PLY PIATM Win-I ALIGN DOWELS FOR TAIL REMOVAL ON I/B PLYWOOD iD BOTTOM I$4SQ FUSELAGE FRAMING AND LONGERONS 1/4 DOWEL W ING I-IOLD DOWNS 7 V4T EDGE ENVA 35 ON HAYES MOUNT BALSA BLOCKS FORM FIXED COWL -x -7 K 7 L I$4PLYWOOD FIREWALL I/B SHEET FOR TRAY SIDESAfl FL IlSIDE LDONS 1/4 SHEET BALSA BRACtIG 1/16 PLYWOOD SERVO TRAYS 1/8 SHEET BALSA BOXES FOR RADIO BATTERIES F 2 1/8 SHEET FRAMING 1/16 PLYWOOD WING REAR SPAR Ci ONLY 7 7 7 FRONTANDBACK 3/8 50 HARD UPPER LOWER SPARS Vs SHEET WEBS FtJT SPAR GLYI/B SHEET liPS FORM 3/32 SHEET RIBS 1/2 50 LEDGE INTO RIB tIO1tHES 31/4 WHEELS ON 5/32MWIRE U-BOLT TO F 1 BULKHEAD Li APER BEFORE INSTALLING ON FUSELAGE WINDSHIELD FLAT P 015 BUTYRATE SHI F 117 ENGINE MOUNT HAYES OR EOUIVAUENT 5/32 MUSIC WIRE H Ii 1/4 FOAM 3/4x 1 BLOCK CUT GROOVE FOR 1/4 DOWEL BEFORE GLUING INSERT DOWEL AFTER INSTALLING WINDSHIELD B ENYA 35 SI-lOAN 1/4 DOWEL B oz CLUNA TANK PRESSURE TAP NOT USED WINO DIHEDRAL3 DOWN THRUST NO SCALE CO NOSE BLOCK TAILA \F3D15B /I' ---F4 BLOCKAFlEPOXY IN 1/2 BLOCK DRAIN HOLE DRAIN SHEETSCRAP1/4 SHEET PLANKING TANKTRIM AFTER1/4 SHEET 1 BLOCKREMOVING FROM PLANS1/4SHEET LEAVE OUT UNTIL LANDING GEAR IS INSTALLED 1/B 3/4 SHEET oSHEET BALSA NOT SCRAP1/B SHEET REQUIRED ON BOTTOM OF FUSELAGE SECTION A-A 3 1/A WHEELS tail section authors model made removable held rubberbands big model could easily fit particular car yours has plenty room could permanently mount tail surfaces save bit assembly/disassembly time flying session 34 Model Aviation HOOKS FOR HOLD DOWN RUBBER BANDS SECTION B B 1/BSHEET FULL-SIZE PLANS AVAILABLE . SEE PAGE 180 - NOTCH FOR SERVO LEADS II B-B MAKE CUT-OUTS TO SUIT YOUR RADIO 1/B PLY RADIO TRAY 1/1K PLY HOLE FOR 1/4 DOWEL REMOVABLE TAIL VERSION SIMILAR EXCEPT ADD DOWELS AND 1/1K PLY HINGE 3 PLACES SECURE WITH STRAIGHT PINS -J Li 5/1K DA I 3/B SHEET HARDWOOD DOWEL NTROL CABE1/4SHEET P2 3 TAPE HEET1/BSHEET 1/4503/B SO VV4 DOWELI 3/1K DOXEL-REDUIREDr WITH REMOVABLE3/B TRIANGULAR STOCK TAIL ASSEMBLY 3/Bs 314 1/4SIEETI--/-1[ I I i/SHEET 7 1/B SHEET P2 13/4 WHEEL 1/B SHEET1/B PLY SPLICE1/4 50 /TAPER IALON TAIL WHEEL OUTLINE OF FUSELAGEBRACKET EPOXY IN PLACE SIDE BWLT ON PLANS CUT SLOT FOR TAB TAIL,PUASTIC TUBING WHEEL DETAIL TBNDWWRE AND SOUTER 1/lA MUSIC WIRE NYLON PUSH ROD GUIDE GLUE TO P3 AFTER PLANIKNG OVER FUEL TANK F 3 1/B SHEET SUPPORT FOR LOWER EDGE OF WINOSH EUD GEON /B SHEET ALL WOOD -BALSA-UNLESS NOTED CAVALIER RADIO CONTROLLED SPORT 35 sheet 1 WINGAREA 1200 SR K rcsruAKJNb WING SPAN BO R-R2 DESIGNED DRAWN & TRACED front end fuselage has fixed cowl engine installed uprightagain simplicity easy starting good cooling main landing gear easy make having just three beds wire stalled after fuselage complete sim plifying phase construction strayed original goals used clear acetate cabin windows feel improvement appearance justifies extra work wing absolute simplicity basi cally scaled-up version type usually found small rubber-powered models one-piece wing V-dihedral use V8-in sheet wing tips things easy building would have difficult use wing hold-down bolts sheet covering distribute load feel holddown rubberbands keeping design allow lighter model would possible bolt-on system John Laycock hooks up rubberbands hold tail section early picture landing gear 1/8-in music wire Trexler wheels use Being too springy author changed 5/32-in wire low-bounce wheels did trick very nicely May 1984 35 6 ROLL MYLAR COVERING WING HORIZOKTATAIL THE WING AND HORIZONTA TAIL CAN BE COVERED USNG TWO 6 ROLLS GE MYAR COVERING I W NG II 11 KEEP DIHE SHEAR WE - n ~== AFT DIHEDRAL BRACE1/16 PLY FWD DIHEDRAL BRACE1/16 PLY 1/2 50 LEADING EDGE SCRAP BLOCK WING TIP TEMPLATE MAKE FROM CARD USE TEMPLATE TO TRIM SPARS LEADING EDGE AND TRAILING EDGE k 2 3/4 DIHEDRAL EACH WING AT THIS POINT SPLICE TYPIC AL 3/B SD IU WING TIP 2 REQUIRED i/B SHEET jTRIM AFTER ASSEMBLY WING RIB 20 REQUIRED 3/32 SHEET 1 REQUIRED 1/8 SHEET II 1 1/4 TRAILING EDGE STOCK Fuselage construction Start building sides over plan Use flat building board protect plan kitchen Mylar film such Saran Wrap Use 1/4-in sq medium grade balsa select straight est pieces longerons longeron splicing try method shown sheet two plansit works Also sanding fuselage crosspieces use sanding block method shown sheet two Use razor saw such Zona Saw cut crosspieces little longer required finish length sanding block used cya noacrylate CyA glue throughout except needed extra strength used 5-mm epoxy didnt build second side top first method works fine AB Vs sq longerons cum bersome size fuselage first side complete remove plans flip over check joints Add extra glue required Build second side Cut out firewall formers Fl F2 important made accurately squareness fuselage 36 Model Aviation See tiny bumps underside wing stabilizer tips Skids recommended big wing light loading tend tip model ground crosswind FULL-SIZE PLANS AVAILABLE. SEE PAGE 180 MEDIUM GARNET SANDING BLOCK PAPER 1OLD BALSA STRrP AND SLIDE SANDING BOCK THIS METHOD OF SANDING THE FUSELAGE AND TAIL CROSS MEMBERS WILL ENSURE ACCURATE JOINTS OUR 3/B SC 1/4 DOWE REQUIRED WITH REMOVABE TAIL VERSION 1/B SHEET RIB VW 0 DIHEDRAL BRACE EPOXY IN PLACE WINO TEMPLATE ____________________ _______________________ _____________ fi 2 1 l/4 -1/16 PLY EPOXY IN PLACE FIBER GLASS OR LINEN -EPOXY 1 3/32 MUSIC WIRE UNCOVERED N FOR HOLD DOWN RUBBER BANDS K~LEAVE EXTEND TO REAR SPARz13/BX 1 1/2 FOR FIXED TAIL VERSION REAR SPAR HINGE-4 PLACES STRAIGHT PINS APT DIHEDRAL BRACE EPOXY IN PLACE ALSA STRIPS TOGETHER DURING CUTTING AND SANDING FOR GOOD JOINT METHOD OF SPLICING LONGERONS AND SPARS CAVALIER SHEET 2 REQUIRED ONLY FOR REMOVABLE TAIL VERSION depends Now good time form main landing gear Use cutoff wheel drill motor cut 5/32-in-dia music wire should wearing safety glasses doing kind work Locate drill holes three J-bolts dont finalassemble main gear former time Its lot easier work fuselage youre apt stabbed landing gear Epoxy firewall formers side fuselage use square keep formers true hardened epoxy second side Again careful maintain squareness epoxy second side has hardened pull back end fuselage together add crosspieces Complete fuselage shown plans Add engine mount platform fuel tank didnt fuel-proof fuel tank compartment did make sure fuel tank cap properly tightened Install fuel tubing through firewall before closing off compartment Seal ends tubes keep out sanding dust Also identify tubes correct hookup laterContinued page 135 May 1984 37 EB -1/16 SHEETAL GRAIN Li\ 0123SS Enya 35 nose looks almost lost total size Cavalier Its large size gives plane docile flight characteristics has controls elevator rudder engine Fun/Winter Continued page 28 modest figure still lot choppers modeling world have others course including rotor span 10 ft Army An other requirement magazine s selection sales above $100000 less $15000000 drone connection Although first patented remotely-piloted vehicle drone dated WW days until WW II RPVs became practical part military hardware mainly lifelike targets Things like OQ2A remembered modelers later full-scale all-wood Culver Ca det About 12 ft span generous dihedral OQ2A powered Mc Culloch engine Ive told thing 5 10 hp up 18 looked like overblown Outdoor Rub ber job flat-topped triangular cross-sectioned fuselage thing catapulted shock cord off long launcher open-frame tubular con struction could hit 175 retrieval hit shut down engine popped chute top hatch first Mirror Meet 1947 Grummans Bethpage Long Island Army demonstrated three Wild man shot vertically over head heard did see thunderous impact concrete runway under Good Humor truck As Free Flight er knew what expect An other tore up sky until pilot goofed radio glitched demolish ing chicken coop its feathered habitants So heres Warren Anderson started Ohlsson 23 FF Gas jobs before WW II military assignments writes crew chief Radio Airplane Target Detachment flying OQ 2A drones first crew trained Army personnel Fort Bliss TX 1943 related us Good brothers taken RC idea several military units unable stir up much interest Finally US Cavalry accepted idea ac cording developed OQ2A wonder what Walt Good has say about Reginald Denny involved early manufacturing plane Mr Smith pointed out article merican Aircraft Modeler March 1971 picture took Radioplane plant 1943 shows both Smith Denny Reginald Denny handsome movie actor considerable fame truly good guy aviation Im going check out believe Reginald pilot interested air schools certainly major model airplane manufacturer advertised heavily mags grand FF Gas model kit Dennyplane fondly-re membered engine Dennymite Dennyplane famous day round-nosed aluminum cowl highwinged cabin model flew superb ly gosh looked like full-size plane lot people recent years have built thanks Doc Mathews revival January 1977 Model Aviation Plan No 169 $4 Power 19 25 Denny far cellu loid hero us Youll love Dennyplane Incidentally Radioplane produced 13935 drones under three designations Bill Winter 4426 Altura Ct Fairfax VA 22030 Cavalier/Laycock Continued oaoe 37 Epoxy balsa blocks place engine cowl Shape sand final contour keep very sharp chisel handy shaping carving balsa find faster using razor blades knife Use chisel carve close final size finish sanding Add gussets windshield side windows affixed contact cement engine compartment given two coats epoxy paint little tricky paint around engine mount used long cotton swab inserted through drain Continued page 138 May1984 135 ILZUZL a/c 361 Iso RoadSan Antonio TX 73216 512 414712 FUTABA 7FGKFM23395 6FGK FMSOLD OUT 7FGK18495 6FGK16495 5FGK15495 6FG15495 4FG14995 4L3-5/2810495 2F2/S-28-R4H7495 S-28SERVO1895 5-32SERVO2595 COVERINGS Monokote Opaque 3 Rolls1695 Monokoge Trans. 3 Rolls1695 Monokote Met. 3 Rolls2095 CYANOACRYLATE Hot Stuff HS-t e169 Itol Stuff HSTl /z Ounce169 Hot Stuff HS-4 2 Ounce589 Hot Stuff HST-4 2 Ounce539 Slot Shot245 Jet Ouncet79 Super Jet e179 Jet 2 Ounce599 Super Jet 2 Ounce599 EPOXY GLUE Deveon 30 Minute 9 Ounce595 Devrou 5 Minute 9 Ounce595 Hobbypoxy 113 Ounce359 tiobbypoxy IV 3 Ounce559 Hobbypoxy III 3 Ounce295 SULLIVAN HT #600 Starter2795 HTD #601 Starter3095 HTD24 #602 Starter3295 PLEASE NOTE Prices subject change manufacturers prices change items subject availability time sale Prices effect until next Model Aviation Issue Show room prices may slightly higher Visit show room San Antonio jW discount price list refunded first order Shipping& Handling Prepaid orders S300 COD Credit Card orders 5595 Overseas orders add estimated shipping 25% deposit re4uired first lime COD 55% sates tax required Texas residents Personal checks delay shipping 15 days Cavalier/Laycock Continued oaae 135 hole get below engine mount better have too much paint enough ready cover fuselage now time add main landing gear After covering add tail wheel assembly wing tail hold-down dowels tray method radio installation has worked fine Use epoxy mount tray Incidentally tray strengthens center fuselage sure about getting center gravity CG lo cated correctly install radio tray last move fore aft get proper balance position Wing Once ribs cut wing panels assemble quite fast Incidentally four ribs can cut 3 x 36-in sheet made rib template As ply splicing two pieces together make big enough piece Build wing half flat plan Before joining two wing halves com plete wing tips easier work just half wing number ways join wing halves have favorite means go ahead use method works well follows As build wing half trim spars leading trailing edges correct length dihedral angle dihedral angle template very useful worth effort necessary make Build both wing halves add Vs-in center rib wing half Blockup half bring two halves together check fit satisfied glue epoxy Now have complete wing needing dihedral reinforcing Carefully slot center ribs dihedral braces Glue epoxy clamp place Finally add shear webs wing ready final sanding Tail Construction straightforward Square ends crosspieces sanding block careful cutting slots hinges Unless hinge pins exactly line will take extra force move control surface putting extra load radio servo battery Whether make tail assembly remov able epoxy permanently fuselage usually depends space ve hicle mid-sized two-door Ameri can car can carry wing inside pas senger area fuselage removable tail carried trunk transporta tion permits one-piece fuselage tail build wayyoull save yourself some extra work Finishing used translucent Super Mono Kote looks great built-up fuselage also adds sense being light weight wing tail can covered two rolls pieces cut shown plan use method make Super MonoKote lap joint over wing rib dont shrink part until whole wing has covered Make sure lap joint well-sealed use regular house hold iron final shrinking trim around windows used /4-in pressure-sensitive tape After cover ing add tip skids wing horizon tal taildont fly holding wing down make six 10-in loops use 20 rubber -in rubber strip Flying will find Cavalier easy plane fly However havent flown multi-channel RC before suggest have qualified flier help during early flights Cavalier doesnt have vices Its likely ground-loop take off landing Basic commonsense rules apply take off make sure model heading directly wind important lightly-loaded models such Cavalier Landings fun final approach should directly wind Cut engine throttle idle Add up-elevator trim establish glide start flare-out model about six feet above ground Keep giving vp-elevator until touch-down stick should way back point As takeoff very little roll windy weather dont attempt taxiing Once model turned crosswind wind will tend flip over does very little damage modelthe wing strongbut does spoil otherwise good landing usually kill engine carry model back pits Have fun building flying Cavalier Its model pushing state art honest goodness fun flier Radio Technique/Myers Continued page 39 ary 1982 MA page 30 can used monitoring tool arent flying can go off flight line about 500 feet plug Bird-dog airplane turn ON try find out whats hap pening channel unit draws quite bit flight pack about 300 mA use Ace Fast Field Charger 34K40 similar device put back what take out before flying youre too thrilled idea running down flight pack heres another approach Figure 3 shows Ace Sil ver Seven transmitter modified addi tion small RC receiver loudspeaker inside set could likewise Since have 5R900 battery pack trans mitter expanded-scale voltmeter front panel small current drawn monitoring no concern switch back transmitter selects either Monitor Transmitter function thought playing might plug receiver crystal monitor check channel before 138 Model Aviation RIC SCALE PLANS Curtlsn Hawk P44 60 apan 1500 aq I. lieu$3495 Aeronca Modal K-193731apan$1995 Piper Sup Cub Cnalnar PA-I 2 31 upas. S 1995 Piper Pacar PA-20 39 span Vs Scat$2995 Piper Trl-PncerPA-22 39 span V Scale 5 DH-85 Leopard Moth l11tpas /Scal#$1995 DH.80A Puns Moth ill apes VScaIe$1995 Sphsks Akronsa afar 60 spas Ill Scala$1495 Send SelfAddreaaed Stamped Envelope Complete List HOBBY CAPITOL RIC 46 N Oak St. Ventura CA 93001