Eaglerock

0 years making model true labor love dedicated CL Scale modeler U Frank Beatty superb Eaglerock three-views Joseph Nieto June 1953 Model Airplane News primary reference used develop working drawings model rigging wire strut end may have moved just smidgen tie underlying structural member thats really nitpicking An analysis three-view time indicated Eaglerock excellent configuration Control Line flying 2761 tail-to-nose moment model likely require ballast its nose achieve proper balance Its large wheels well forward good ground handling operations wheel tread bit narrower some would wish ample wing area keep wing loading reasonable fuselage smallish slim clean relation models overall size configuration straightforward strange shapes structures back little three-view reference documentation project reluctantly set aside future reference research 1973 Reagan Ormond Jack Brouse flew Eaglerock A-2 Grand Prairie Texas EAA Fly-in Oshkosh Wisconsin awarded EAA Antique Grand Champion Trophy Magazine coverage Sport Aviation November 1973 Vintage Airplane August 1973 featured covers color photos lengthy texts describing airplane its owners Some years later John de Vries fine book Alexander Eaglerock includes excellent three-view added library recently cockpit photos loaned Bill J Witte added growing file Eaglerock s time finally come model has built odd scale 11/3 inches foot 31/s-inch-diameter Williams Bros wheels Milman spoked wheels hand would exactly scale surprising much pizzazz wire wheels add model would worthwhile try locate pair wire wheels throttle operated Roberts three-wire system No ballast required achieve proper balance flying An 0S Max 32 FABC would probably provide ample power would very good choice will always fly calm conditions second wing struts rigging wires generate considerable drag fly contests areas gusty wind conditions likely encountered should select 40-size engine 24 Model Aviation lies model spirit can bull its way right through gusts Touch-and-gos snap ground handling very good Eaglerock can taxied tail-up indefinitely its two wheels CONSTRUCTION biplane lots struts rigging wires false ribs other detailing long-time all-winter labor-of-love project go extra mile types model has broken down subassemblies Jigs strut locator blocks predrilled pilot holes lower wing spar alignment boxes used temporarily locate align wings struts built place assembly taken apart simplify covering painting polishing detailing procedures parts should automatically proper alignment reassembled undercarriage tail surfaces will built first construction will delayed pans required Undercarriage Bind 1/8 diameter music wire main strut /s plywood mounting plate Fashion simple jig locate lock axles proper fore-and-aft position relative plywood platform Now bend up fit bind fine wire solder other struts place will much easier install fiberglass balsa strut dummy shock absorber fairings now rather after assembly permanently mounted fuselage Stabilizer Elevators Cut 1/t6 sheet balsa cores stabilizer elevators Soak four 1/t6 x /t6 balsa strips ammonia bind around stabilizer leading edge dry can cemented core remainder balsa frames ribs can cemented cores Install elevator horn tubing wire hinge system surfaces Add hardwood rigging wire mounting blocks Sand assemblies satisfaction set aside Fin Rudder fin rudder structures built same manner stabilizer elevators Fuselage Cut 3/u sheet balsa fuselage sides Lay out centerlines bulkhead stringer locations parts Cut out bulkheads Lay out accurate centerlines both sides bulkheads will easier accurate cement cabane strut locator blocks lower wing spar locator boxes rigging wire locator blocks bulkheads 2-5 now rather after assembled fuselage side members Epoxy bulkheads 2-4 crutch reinforce corners triangular strip gussets heart airplane double-check square alignment dry cement remaining bulkheads tail post place Again check alignment Epoxy 3/ x t/2 x 1 li/s rock-hard Photos author Graphic Design Carla Kuns maple engine mounts place Locate drill set bellcrank engine blind mounting nuts beams Install /s plywood engine mount firewall reinforcing gussets time Make up two 62 sheet balsa cabane strut erection jig templates using pattern found Sheet 2 plans Study patterns carefully drawings depict three sets jigs used different stages construction Cement jigs top fuselage sides Draw centerlines two 3/ x pieces balsa Measure out 3 inches centerlines mark cabane strut pilot hole locations Drill /6 diameter holes through spars elongate holes forward spar about 3/r x I32 Align epoxy spars cabane erection jigs tAe wire can bent up fitted between locator holes bulkheads dummy spars Fit balsa fairings struts fairings accurately butted against bottom surfaces dummy spars time upper wing center section will always automatically located time fitted cabane struts later jigs can now removed Continue fuselage construction cementing longerons stringers wing root fairing blocks stabilizer outline framing members fuselage sides tA2 plywood leadout wire elevator pushrod wire dummy rudder elevator control wire guides can added Make up brass throttle reverse travel crank install Bolt engine bellcrank leadouts installed place Slide stabilizer its slot pin firmly place Make up throttle elevator pushrod wire linkages Check operate smoothly binding Solder linkage connections except carburetor crank elevator horn engine tail surfaces can removed set aside April 1998 25 Corrugated cardboard templates tape used align wings struts epoxied locator socket holes Spoked wheels laminated display-only prop used dress up Eaglerock Locate epoxy fuel tank position Epoxy tail skid assembly position Epoxy balsa triangular strip reinforcing gussets fuselage sides bulkheads 2 3 epoxy undercarriage assembly platform against Various balsa blocks two 1/16 x basswood stringers will finish off fuselages bottom side Cement five 1/16 x Vs basswood turtledeck stringers balsa tail cone fairing fuselage top Cockpit Choices time must decide whether install detailed cockpits Precision Scale model install platforms mounting dummy pilots Sport Scale model fly Sport Scale opted platforms Take time put good finish platforms portions bulkheads 4-6 will visible through cockpit openings Make up install instrument panels Soak /s x 7 x 12 balsa sheet ammonia bend position over fuselage top dry remove formed part put good finish inside surface cockpit areas will find much easier fit glue formed part fuselage two pieces rather So slit piece down its center apply model Wait until painting finishing procedures complete before cutting out cockpit openings Cowlings Upper lower cowlings made various balsa blocks Note area lower cowling just ahead undercarriage left open just full-scale Eaglerocks Two Vs x guide boxes created part cowling accurately locate dummy radiator supports final assembly upper cowling built up balsa blocks shaped Recessed slots cut cowling accept dummy exhaust stacks carved wood 1A6 diameter dowels locate reinforce attachment stacks final assembly Four blind mounting nuts bolts locate hold upper cowling position Mark cut carburetor needle valve exhaust cylinder head openings cowling check clearance Set fuselage aside Wings Cut notch balsa leading trailing edges Make up basswood spars Laminate four tips 60 ribs required make up two plywood aluminum templates sandwich batches dozen balsa blanks between templates quickly accurately shape ribs Use forward section templates #11 X-acto blade cut 120 false ribs find tricky accurately assemble wings three panels like upper wing try simple jig Take 2 x 8 x 52 x 8 two x 22 pieces wood Assemble three panels heavier base piece outer panels blocked up until correct dihedral angle 1 achieved Tack plans over jig build 26 Model Aviation rged opening cowl provides additional cooling air will exit through scale opening bottom cowl Alexander Aircraft Company logos fin rudder Note tubing wire elevator hinge system wing one-piece unit butt joints frames spars can accurately fitted together alignment dihedral outer panels will dead-on accurate Assemble center section first followed outer panels ailerons built wings accuracy separated later Install strut rigging wire locator reinforcing doublers Lift assembly off building board sheet both sides center section represents fuel tank Drill A6 diameter holes rigging wire strut end locations Add 1 /2-ounce outboard wingtip weight Carve sand assembly shape Cut ailerons separate set upper wing ailerons aside lower wing panels can assembled flat building board much same manner upper wing differences note dummy aileron horn support pieces sheeting wing panel roots Struts Wing Alignment Make up four corrugated cardboard interplane strut erection jig templates using pattern aircraft industry always seems have enjoyed roller coasterlike periods enormous growth prosperity followed steeper declines World War stimulated unparalleled technical advances growth industry wars end development commercial aviation dampened years huge numbers World War surplus aircraft dumped market fire sale prices era business environment Alexander Aircraft Company introduced new biplane Eaglerock early 1 920s J Don Alexander president film company using aerial salesmen fly between appointments company business calls Building airplanes natural next step someone Alexanders entrepreneurial nature enthusiasm Alexander persuaded brothers get airplane making business 1924 An airplane designed manufacturing facilities set up network distributors dealers established new Eaglerock biplanes proved popular small operators flying schools though plant facilities constantly expanded seemed production would never catch up demand until stock market crash October 1929 Great Depression Aircraft sales fell dramatically company tried desperate measures stay afloat August 5 1932 company closed its doors forever Alexander Aircraft Company gone great growth prosperity complete oblivion just seven years its brief corporate life produced almost 1300 airframes nearly 900 popular Eaglerock biplane series Very few Eaglerocks have survived Wear accidents claimed some During doldrums 930s out-of-license Eaglerocks simply stored parked rotted away few employed crop dusters Run-out Eaglerocks also prime candidates beat-up cheap airplanes needed movie production crash sequences Central Airport has three-minute segment hero taxies American Eagle biplane runaway Eaglerock air circus Flying Irishman stars Douglas Wrong-Way Corrigan includes three-minute clip flier has just failed medical examination defiantly performs aerobatics suffers attack plunges Earth really spectacular dive crash close-in shots crash Eaglerock Far-away stunt-flying sequences filmed using Travelaire 2000 Hollywood old bashful about mixing airplane types film sequences k Beatty April 1998 27 Wire undercarriage framework plywood mounting plate Metal templates used shape wing ribs blanks Three-panel wing built piece accuracy plans Slip lower wing panel spar stubs fuselage locator blocks Slip cabane struts locator blocks Settle upper wing onto cabane strut ends Fit four cardboard templates between wing panels two side bind assembly masking tape Double-check fine-tune spacing angles attack alignment four wing panels satisfied start bending fitting soldering /16 music wire interplane aileron struts Patterns shown drawings prefer build place model choice Fit balsa fairings struts fairing ends accurately butted against wing spar doublers wings will automatically aligned final assembly Break assembly apart Solder coils fine copper wire strut ends similar screw thread Drill out strut locator holes /32 diameter Reassemble model check alignment parts Little no change should have occurred alignments Finishing All major components now built must prepared finishing Fill dings pinholes sand thoroughly fabric-covered structures full-scale version covered silk model Cowlings struts other solid sheet-covered areas fiberglassed point fin stabilizer headrest cemented permanently fuselage Punch hole through covering rigging wire strut locator hole will lost under coats dope come standard Eaglerock color scheme silver wings tail fuselage metal panels cowling struts painted Eaglerock Blue Im sure anyone can say absolute certainty what color Eaglerock Blue Officially Alexander folks describe color medium blue wrote John de Vries pretty vague goes suggest Testors gloss enamel blue stock #1110 paint plastic models smidgen too dark just about right lightened five six drops white Current aircraft paint color charts also examined useful clues Ultimately equal parts Aeroloss Corsair Blue Aeroloss Curtiss Blue mixed come up blue seems reasonably close simple formula like wont require chemist mix up another batch need arises Aeroloss dope used throughout coats sprayed consisted half-dozen clear coats eight filler coats eight silver coats wet-or-dry sanded after second coat fuselage masked off struts cowlings spinners Continued page 33 28 Model Aviation feathers have sheet balsa sandwiched between scale structural members Fuselage top sheeting formed piece eliminate planking joints Cabane struts have faired out located simple jig Eagerock/Beatty Continued page 28 sprayed four coats Eaglerock blue black registration numbers masked off Simair Frisket Film silver-colored areas given two coats clear dope prevent streaking fuel residues dull oxidation look silver can often get hand-rubbed #7 rubbing compound nice gloss finish Some 20 coats dope added about eleven ounces weight model about 1/2 ounce per coat have iron nerves steady hand company logos can put directly Eaglerock fin rudder colored dope black Sanford Sharpie permanent marker took different route Cover 12-inch square glass film soapy water Spray surface silver dope apply markings surface Protect markings clear dope overspray can peeled off glass attached model watery mbt Elmers glue sealed around edges thinner protected overspray clear dope lengthier detailed instructions see Hot Canary construction article March 1996 Model Aviation Detailing Cut out cockpit openings Apply leather headrest padding cockpit coamings Fabricate windshields 025 styrene sheet install already fabricated installed details like dummy gas tank strapping wing rudder tip lights exhaust stacks gas caps wing walks dummy aileron/elevator/rudder control horns pilots radiator next dummy radiator has extra-long side extensions butt against engine mounts help locate align non-flying decorative propellor made nine alternated Yl6 plies April1998 33 PARTS AVAILABLE Most IgEngines Catalog $900 Intl ED Idel Engines ___Eby Cyclone vnup Cye 0 son 3706N33rdSt10ab IDhon 616 F GA E-Mail Aero-EIetricattnet Swiss pear basswood bonded Elmers Carpenters Glue X-Acto blades will hardly touch hard woods heavy duty rasp sandpaper way go Finish clear dope simulated brass dope leading edges Assembly Coil solder soft copper wire around ends 42 pieces varying lengths A2 diameter brass rod Epoxy wrapped ends rigging wire locator hole about inch unwrapped rod standing proud Epoxy lower wing fuselage Epoxy cabane struts fuselage locator holes Temporarily slip interplane struts lower wing locators Settle upper wing onto struts Slip cardboard final assembly jigs place two side tape whole assembly firmly together Check wing panels accuracy spacing alignment dihedral angles angles attack Fine tune necessary Disassemble checks out Glue interplane struts lower wing struts upper wing using slow-set epoxy Slip templates place again tape up firmly make sure alignments still money allow set overnight Rigging Wires Study rigging wire fitting details Sheet 2 selfexplanatory Make up 42 /l6 diameter brass tubing fittings Bend brass rod slightly away pull its rigging wire Using cut-and-try methods make up individual rigging wires length Fit wire its fittings its brass rod counterparts Solder both fittings rods sweat-solder just rigging wire end fitting After installed flex lower wings up solder ends landing wires corresponding fittings put little tension wires Flex upper wings down just bit solder flying wires corresponding fittings put little Inflight ON/OFF Switching Simple Plug Installation Sensors Internal & Unaffected External Conditions Consistent Operation Day Night Overcast Sunny real Auto Pilot Designed back-up unit levels skill BTA Automatic Piloting Systems 192 Yorktown Lane Costa Mesa CA 92626 Phone 714-979-8948 Fax 714-979-8947 Send SASE tnformation Adjustable Zero & Gains Compatible RC Systems Endorsed Used Top Gun TOC Giant Scale Race Pilots & Experimental Full-Size also April 1998 35 II\ KEEP FLYING THAT MODEL BTA AUTO PILOT FOR YEARS tension wires Snip off excess brass rod ends file smooth effort super-neat job cut off very short occasionally fitting will separate its rod recommended left bit long Rigging wire vibration dampeners made Yl6 diameter x 6/s long brass rod bound rigging wires button thread CyA Flying From very first Eaglerock flew very steadily just little fore-and-aft oscillation ground handling good first completed models thrustline level model suspended its recommended balance point model tended oscillate three times after applications elevator control especially flying gusts prefer models rock-steady respect Five ounces lead added models nose making model hang nose-down about seven degrees corrected problem Observers have noted model seemed flying too fast scale antique biplane Switching 11 x 6 propellor 11 x 5 slowed model scalelike speed gusty day will use 11 x 6 model has fairly light wing loading ample wing area considerable lift Landing approaches must made very slow speeds model will tend roll out tail-up wheels until touch elevator applied get tail ground model taxied too fast coming wind may want balloon back air Eaglerock can flown regularly during weekend flying sessions can very competitive contest circuit Now thats kind Scale model k Beatty 2608 Pontoon Rd Granite City IL 62040 SCREAMING DIVEATTACIES AUDIBLE FLIGHT MANEUVERS DeeelepedfeRC a, Taele,oaI LlghRoeigSt 7e Rakeaytentnawno ondefi Qauknuetoepennaantneat HgS RPM doable sealed beannp ,netOaao baNne, dy asepeedeeded Sje doable a aadjbl alespeed jdiale CALL OR WRITE FOR FREE BROCHURE Air Screamer TM I* 39 o9r flaR75USOSflpeag i C Products 6924 E 92nd a OK 74133 VISAItiili918-492-9435 918-492-9375 t time can test mood engine COmpreSSiOn Broken rings excessive ring wear excessive piston wear bent valves leaking head gasket can detected tbru compression testing Regutar testing can determine fast wear occurs attows take corrective action Helps determine condition used engines foe buying selling must engine performance modifications LY Plaet375USOSSppag P0 Box 144Dealer Inquiries welcome Wood Ridge NJ 07075DIRttIrpIRRRR bailt CUStOm Built AirGraft 910-869-9339 April 1998 37 COMES COMPLETE WITH GLOWPLUG ADAPTER FOR GLOW ENGINES SPARK PLUG ADAPTER FOR GAS ENGINES EX7ERA VALVE CORES SPARE CAPS AND 0-RING Olbee Adple floaileble Nelon taint Plg RUSS lNooSpakPlutHNS5 TorSo Plot 0 5555 .a ,oao la. rrrr laaaa5a rraa aCa ro ore raerere ~0OJJ Orro 0 urckpit lntenral rile rr 2lo 15 LCD eseen sire Ito 35 AR RRbtard mRRitRr tR check ysr receiver batteey pack Na mare ESV hRRkaps Able IR see batterys vRltagr IR iseaeest ltmV iR easy read digits An alarm flashirg LED ii yRRe vRltage deRpa below 11 volt per cell switch allRwn YRR ehaRse leRm ito cells battery pack IRW battery alarm car aid ia findirg dRwrtd airplane Plugs iRtR ary spare receiver pRrt ard mRants screws like servo alarm ard LED can enabled Re disabled KRRw vRlta$e SORR YRR him Rn receiver Small lightweighl Rnly 1/2 wInce Draws loss thar imA mast iar airplane helicRptee aad sailplane Year Warnaertv

0 years making model true labor love dedicated CL Scale modeler U Frank Beatty superb Eaglerock three-views Joseph Nieto June 1953 Model Airplane News primary reference used develop working drawings model rigging wire strut end may have moved just smidgen tie underlying structural member thats really nitpicking An analysis three-view time indicated Eaglerock excellent configuration Control Line flying 2761 tail-to-nose moment model likely require ballast its nose achieve proper balance Its large wheels well forward good ground handling operations wheel tread bit narrower some would wish ample wing area keep wing loading reasonable fuselage smallish slim clean relation models overall size configuration straightforward strange shapes structures back little three-view reference documentation project reluctantly set aside future reference research 1973 Reagan Ormond Jack Brouse flew Eaglerock A-2 Grand Prairie Texas EAA Fly-in Oshkosh Wisconsin awarded EAA Antique Grand Champion Trophy Magazine coverage Sport Aviation November 1973 Vintage Airplane August 1973 featured covers color photos lengthy texts describing airplane its owners Some years later John de Vries fine book Alexander Eaglerock includes excellent three-view added library recently cockpit photos loaned Bill J Witte added growing file Eaglerock s time finally come model has built odd scale 11/3 inches foot 31/s-inch-diameter Williams Bros wheels Milman spoked wheels hand would exactly scale surprising much pizzazz wire wheels add model would worthwhile try locate pair wire wheels throttle operated Roberts three-wire system No ballast required achieve proper balance flying An 0S Max 32 FABC would probably provide ample power would very good choice will always fly calm conditions second wing struts rigging wires generate considerable drag fly contests areas gusty wind conditions likely encountered should select 40-size engine 24 Model Aviation lies model spirit can bull its way right through gusts Touch-and-gos snap ground handling very good Eaglerock can taxied tail-up indefinitely its two wheels CONSTRUCTION biplane lots struts rigging wires false ribs other detailing long-time all-winter labor-of-love project go extra mile types model has broken down subassemblies Jigs strut locator blocks predrilled pilot holes lower wing spar alignment boxes used temporarily locate align wings struts built place assembly taken apart simplify covering painting polishing detailing procedures parts should automatically proper alignment reassembled undercarriage tail surfaces will built first construction will delayed pans required Undercarriage Bind 1/8 diameter music wire main strut /s plywood mounting plate Fashion simple jig locate lock axles proper fore-and-aft position relative plywood platform Now bend up fit bind fine wire solder other struts place will much easier install fiberglass balsa strut dummy shock absorber fairings now rather after assembly permanently mounted fuselage Stabilizer Elevators Cut 1/t6 sheet balsa cores stabilizer elevators Soak four 1/t6 x /t6 balsa strips ammonia bind around stabilizer leading edge dry can cemented core remainder balsa frames ribs can cemented cores Install elevator horn tubing wire hinge system surfaces Add hardwood rigging wire mounting blocks Sand assemblies satisfaction set aside Fin Rudder fin rudder structures built same manner stabilizer elevators Fuselage Cut 3/u sheet balsa fuselage sides Lay out centerlines bulkhead stringer locations parts Cut out bulkheads Lay out accurate centerlines both sides bulkheads will easier accurate cement cabane strut locator blocks lower wing spar locator boxes rigging wire locator blocks bulkheads 2-5 now rather after assembled fuselage side members Epoxy bulkheads 2-4 crutch reinforce corners triangular strip gussets heart airplane double-check square alignment dry cement remaining bulkheads tail post place Again check alignment Epoxy 3/ x t/2 x 1 li/s rock-hard Photos author Graphic Design Carla Kuns maple engine mounts place Locate drill set bellcrank engine blind mounting nuts beams Install /s plywood engine mount firewall reinforcing gussets time Make up two 62 sheet balsa cabane strut erection jig templates using pattern found Sheet 2 plans Study patterns carefully drawings depict three sets jigs used different stages construction Cement jigs top fuselage sides Draw centerlines two 3/ x pieces balsa Measure out 3 inches centerlines mark cabane strut pilot hole locations Drill /6 diameter holes through spars elongate holes forward spar about 3/r x I32 Align epoxy spars cabane erection jigs tAe wire can bent up fitted between locator holes bulkheads dummy spars Fit balsa fairings struts fairings accurately butted against bottom surfaces dummy spars time upper wing center section will always automatically located time fitted cabane struts later jigs can now removed Continue fuselage construction cementing longerons stringers wing root fairing blocks stabilizer outline framing members fuselage sides tA2 plywood leadout wire elevator pushrod wire dummy rudder elevator control wire guides can added Make up brass throttle reverse travel crank install Bolt engine bellcrank leadouts installed place Slide stabilizer its slot pin firmly place Make up throttle elevator pushrod wire linkages Check operate smoothly binding Solder linkage connections except carburetor crank elevator horn engine tail surfaces can removed set aside April 1998 25 Corrugated cardboard templates tape used align wings struts epoxied locator socket holes Spoked wheels laminated display-only prop used dress up Eaglerock Locate epoxy fuel tank position Epoxy tail skid assembly position Epoxy balsa triangular strip reinforcing gussets fuselage sides bulkheads 2 3 epoxy undercarriage assembly platform against Various balsa blocks two 1/16 x basswood stringers will finish off fuselages bottom side Cement five 1/16 x Vs basswood turtledeck stringers balsa tail cone fairing fuselage top Cockpit Choices time must decide whether install detailed cockpits Precision Scale model install platforms mounting dummy pilots Sport Scale model fly Sport Scale opted platforms Take time put good finish platforms portions bulkheads 4-6 will visible through cockpit openings Make up install instrument panels Soak /s x 7 x 12 balsa sheet ammonia bend position over fuselage top dry remove formed part put good finish inside surface cockpit areas will find much easier fit glue formed part fuselage two pieces rather So slit piece down its center apply model Wait until painting finishing procedures complete before cutting out cockpit openings Cowlings Upper lower cowlings made various balsa blocks Note area lower cowling just ahead undercarriage left open just full-scale Eaglerocks Two Vs x guide boxes created part cowling accurately locate dummy radiator supports final assembly upper cowling built up balsa blocks shaped Recessed slots cut cowling accept dummy exhaust stacks carved wood 1A6 diameter dowels locate reinforce attachment stacks final assembly Four blind mounting nuts bolts locate hold upper cowling position Mark cut carburetor needle valve exhaust cylinder head openings cowling check clearance Set fuselage aside Wings Cut notch balsa leading trailing edges Make up basswood spars Laminate four tips 60 ribs required make up two plywood aluminum templates sandwich batches dozen balsa blanks between templates quickly accurately shape ribs Use forward section templates #11 X-acto blade cut 120 false ribs find tricky accurately assemble wings three panels like upper wing try simple jig Take 2 x 8 x 52 x 8 two x 22 pieces wood Assemble three panels heavier base piece outer panels blocked up until correct dihedral angle 1 achieved Tack plans over jig build 26 Model Aviation rged opening cowl provides additional cooling air will exit through scale opening bottom cowl Alexander Aircraft Company logos fin rudder Note tubing wire elevator hinge system wing one-piece unit butt joints frames spars can accurately fitted together alignment dihedral outer panels will dead-on accurate Assemble center section first followed outer panels ailerons built wings accuracy separated later Install strut rigging wire locator reinforcing doublers Lift assembly off building board sheet both sides center section represents fuel tank Drill A6 diameter holes rigging wire strut end locations Add 1 /2-ounce outboard wingtip weight Carve sand assembly shape Cut ailerons separate set upper wing ailerons aside lower wing panels can assembled flat building board much same manner upper wing differences note dummy aileron horn support pieces sheeting wing panel roots Struts Wing Alignment Make up four corrugated cardboard interplane strut erection jig templates using pattern aircraft industry always seems have enjoyed roller coasterlike periods enormous growth prosperity followed steeper declines World War stimulated unparalleled technical advances growth industry wars end development commercial aviation dampened years huge numbers World War surplus aircraft dumped market fire sale prices era business environment Alexander Aircraft Company introduced new biplane Eaglerock early 1 920s J Don Alexander president film company using aerial salesmen fly between appointments company business calls Building airplanes natural next step someone Alexanders entrepreneurial nature enthusiasm Alexander persuaded brothers get airplane making business 1924 An airplane designed manufacturing facilities set up network distributors dealers established new Eaglerock biplanes proved popular small operators flying schools though plant facilities constantly expanded seemed production would never catch up demand until stock market crash October 1929 Great Depression Aircraft sales fell dramatically company tried desperate measures stay afloat August 5 1932 company closed its doors forever Alexander Aircraft Company gone great growth prosperity complete oblivion just seven years its brief corporate life produced almost 1300 airframes nearly 900 popular Eaglerock biplane series Very few Eaglerocks have survived Wear accidents claimed some During doldrums 930s out-of-license Eaglerocks simply stored parked rotted away few employed crop dusters Run-out Eaglerocks also prime candidates beat-up cheap airplanes needed movie production crash sequences Central Airport has three-minute segment hero taxies American Eagle biplane runaway Eaglerock air circus Flying Irishman stars Douglas Wrong-Way Corrigan includes three-minute clip flier has just failed medical examination defiantly performs aerobatics suffers attack plunges Earth really spectacular dive crash close-in shots crash Eaglerock Far-away stunt-flying sequences filmed using Travelaire 2000 Hollywood old bashful about mixing airplane types film sequences k Beatty April 1998 27 Wire undercarriage framework plywood mounting plate Metal templates used shape wing ribs blanks Three-panel wing built piece accuracy plans Slip lower wing panel spar stubs fuselage locator blocks Slip cabane struts locator blocks Settle upper wing onto cabane strut ends Fit four cardboard templates between wing panels two side bind assembly masking tape Double-check fine-tune spacing angles attack alignment four wing panels satisfied start bending fitting soldering /16 music wire interplane aileron struts Patterns shown drawings prefer build place model choice Fit balsa fairings struts fairing ends accurately butted against wing spar doublers wings will automatically aligned final assembly Break assembly apart Solder coils fine copper wire strut ends similar screw thread Drill out strut locator holes /32 diameter Reassemble model check alignment parts Little no change should have occurred alignments Finishing All major components now built must prepared finishing Fill dings pinholes sand thoroughly fabric-covered structures full-scale version covered silk model Cowlings struts other solid sheet-covered areas fiberglassed point fin stabilizer headrest cemented permanently fuselage Punch hole through covering rigging wire strut locator hole will lost under coats dope come standard Eaglerock color scheme silver wings tail fuselage metal panels cowling struts painted Eaglerock Blue Im sure anyone can say absolute certainty what color Eaglerock Blue Officially Alexander folks describe color medium blue wrote John de Vries pretty vague goes suggest Testors gloss enamel blue stock #1110 paint plastic models smidgen too dark just about right lightened five six drops white Current aircraft paint color charts also examined useful clues Ultimately equal parts Aeroloss Corsair Blue Aeroloss Curtiss Blue mixed come up blue seems reasonably close simple formula like wont require chemist mix up another batch need arises Aeroloss dope used throughout coats sprayed consisted half-dozen clear coats eight filler coats eight silver coats wet-or-dry sanded after second coat fuselage masked off struts cowlings spinners Continued page 33 28 Model Aviation feathers have sheet balsa sandwiched between scale structural members Fuselage top sheeting formed piece eliminate planking joints Cabane struts have faired out located simple jig Eagerock/Beatty Continued page 28 sprayed four coats Eaglerock blue black registration numbers masked off Simair Frisket Film silver-colored areas given two coats clear dope prevent streaking fuel residues dull oxidation look silver can often get hand-rubbed #7 rubbing compound nice gloss finish Some 20 coats dope added about eleven ounces weight model about 1/2 ounce per coat have iron nerves steady hand company logos can put directly Eaglerock fin rudder colored dope black Sanford Sharpie permanent marker took different route Cover 12-inch square glass film soapy water Spray surface silver dope apply markings surface Protect markings clear dope overspray can peeled off glass attached model watery mbt Elmers glue sealed around edges thinner protected overspray clear dope lengthier detailed instructions see Hot Canary construction article March 1996 Model Aviation Detailing Cut out cockpit openings Apply leather headrest padding cockpit coamings Fabricate windshields 025 styrene sheet install already fabricated installed details like dummy gas tank strapping wing rudder tip lights exhaust stacks gas caps wing walks dummy aileron/elevator/rudder control horns pilots radiator next dummy radiator has extra-long side extensions butt against engine mounts help locate align non-flying decorative propellor made nine alternated Yl6 plies April1998 33 PARTS AVAILABLE Most IgEngines Catalog $900 Intl ED Idel Engines ___Eby Cyclone vnup Cye 0 son 3706N33rdSt10ab IDhon 616 F GA E-Mail Aero-EIetricattnet Swiss pear basswood bonded Elmers Carpenters Glue X-Acto blades will hardly touch hard woods heavy duty rasp sandpaper way go Finish clear dope simulated brass dope leading edges Assembly Coil solder soft copper wire around ends 42 pieces varying lengths A2 diameter brass rod Epoxy wrapped ends rigging wire locator hole about inch unwrapped rod standing proud Epoxy lower wing fuselage Epoxy cabane struts fuselage locator holes Temporarily slip interplane struts lower wing locators Settle upper wing onto struts Slip cardboard final assembly jigs place two side tape whole assembly firmly together Check wing panels accuracy spacing alignment dihedral angles angles attack Fine tune necessary Disassemble checks out Glue interplane struts lower wing struts upper wing using slow-set epoxy Slip templates place again tape up firmly make sure alignments still money allow set overnight Rigging Wires Study rigging wire fitting details Sheet 2 selfexplanatory Make up 42 /l6 diameter brass tubing fittings Bend brass rod slightly away pull its rigging wire Using cut-and-try methods make up individual rigging wires length Fit wire its fittings its brass rod counterparts Solder both fittings rods sweat-solder just rigging wire end fitting After installed flex lower wings up solder ends landing wires corresponding fittings put little tension wires Flex upper wings down just bit solder flying wires corresponding fittings put little Inflight ON/OFF Switching Simple Plug Installation Sensors Internal & Unaffected External Conditions Consistent Operation Day Night Overcast Sunny real Auto Pilot Designed back-up unit levels skill BTA Automatic Piloting Systems 192 Yorktown Lane Costa Mesa CA 92626 Phone 714-979-8948 Fax 714-979-8947 Send SASE tnformation Adjustable Zero & Gains Compatible RC Systems Endorsed Used Top Gun TOC Giant Scale Race Pilots & Experimental Full-Size also April 1998 35 II\ KEEP FLYING THAT MODEL BTA AUTO PILOT FOR YEARS tension wires Snip off excess brass rod ends file smooth effort super-neat job cut off very short occasionally fitting will separate its rod recommended left bit long Rigging wire vibration dampeners made Yl6 diameter x 6/s long brass rod bound rigging wires button thread CyA Flying From very first Eaglerock flew very steadily just little fore-and-aft oscillation ground handling good first completed models thrustline level model suspended its recommended balance point model tended oscillate three times after applications elevator control especially flying gusts prefer models rock-steady respect Five ounces lead added models nose making model hang nose-down about seven degrees corrected problem Observers have noted model seemed flying too fast scale antique biplane Switching 11 x 6 propellor 11 x 5 slowed model scalelike speed gusty day will use 11 x 6 model has fairly light wing loading ample wing area considerable lift Landing approaches must made very slow speeds model will tend roll out tail-up wheels until touch elevator applied get tail ground model taxied too fast coming wind may want balloon back air Eaglerock can flown regularly during weekend flying sessions can very competitive contest circuit Now thats kind Scale model k Beatty 2608 Pontoon Rd Granite City IL 62040 SCREAMING DIVEATTACIES AUDIBLE FLIGHT MANEUVERS DeeelepedfeRC a, Taele,oaI LlghRoeigSt 7e Rakeaytentnawno ondefi Qauknuetoepennaantneat HgS RPM doable sealed beannp ,netOaao baNne, dy asepeedeeded Sje doable a aadjbl alespeed jdiale CALL OR WRITE FOR FREE BROCHURE Air Screamer TM I* 39 o9r flaR75USOSflpeag i C Products 6924 E 92nd a OK 74133 VISAItiili918-492-9435 918-492-9375 t time can test mood engine COmpreSSiOn Broken rings excessive ring wear excessive piston wear bent valves leaking head gasket can detected tbru compression testing Regutar testing can determine fast wear occurs attows take corrective action Helps determine condition used engines foe buying selling must engine performance modifications LY Plaet375USOSSppag P0 Box 144Dealer Inquiries welcome Wood Ridge NJ 07075DIRttIrpIRRRR bailt CUStOm Built AirGraft 910-869-9339 April 1998 37 COMES COMPLETE WITH GLOWPLUG ADAPTER FOR GLOW ENGINES SPARK PLUG ADAPTER FOR GAS ENGINES EX7ERA VALVE CORES SPARE CAPS AND 0-RING Olbee Adple floaileble Nelon taint Plg RUSS lNooSpakPlutHNS5 TorSo Plot 0 5555 .a ,oao la. rrrr laaaa5a rraa aCa ro ore raerere ~0OJJ Orro 0 urckpit lntenral rile rr 2lo 15 LCD eseen sire Ito 35 AR RRbtard mRRitRr tR check ysr receiver batteey pack Na mare ESV hRRkaps Able IR see batterys vRltagr IR iseaeest ltmV iR easy read digits An alarm flashirg LED ii yRRe vRltage deRpa below 11 volt per cell switch allRwn YRR ehaRse leRm ito cells battery pack IRW battery alarm car aid ia findirg dRwrtd airplane Plugs iRtR ary spare receiver pRrt ard mRants screws like servo alarm ard LED can enabled Re disabled KRRw vRlta$e SORR YRR him Rn receiver Small lightweighl Rnly 1/2 wInce Draws loss thar imA mast iar airplane helicRptee aad sailplane Year Warnaertv

0 years making model true labor love dedicated CL Scale modeler U Frank Beatty superb Eaglerock three-views Joseph Nieto June 1953 Model Airplane News primary reference used develop working drawings model rigging wire strut end may have moved just smidgen tie underlying structural member thats really nitpicking An analysis three-view time indicated Eaglerock excellent configuration Control Line flying 2761 tail-to-nose moment model likely require ballast its nose achieve proper balance Its large wheels well forward good ground handling operations wheel tread bit narrower some would wish ample wing area keep wing loading reasonable fuselage smallish slim clean relation models overall size configuration straightforward strange shapes structures back little three-view reference documentation project reluctantly set aside future reference research 1973 Reagan Ormond Jack Brouse flew Eaglerock A-2 Grand Prairie Texas EAA Fly-in Oshkosh Wisconsin awarded EAA Antique Grand Champion Trophy Magazine coverage Sport Aviation November 1973 Vintage Airplane August 1973 featured covers color photos lengthy texts describing airplane its owners Some years later John de Vries fine book Alexander Eaglerock includes excellent three-view added library recently cockpit photos loaned Bill J Witte added growing file Eaglerock s time finally come model has built odd scale 11/3 inches foot 31/s-inch-diameter Williams Bros wheels Milman spoked wheels hand would exactly scale surprising much pizzazz wire wheels add model would worthwhile try locate pair wire wheels throttle operated Roberts three-wire system No ballast required achieve proper balance flying An 0S Max 32 FABC would probably provide ample power would very good choice will always fly calm conditions second wing struts rigging wires generate considerable drag fly contests areas gusty wind conditions likely encountered should select 40-size engine 24 Model Aviation lies model spirit can bull its way right through gusts Touch-and-gos snap ground handling very good Eaglerock can taxied tail-up indefinitely its two wheels CONSTRUCTION biplane lots struts rigging wires false ribs other detailing long-time all-winter labor-of-love project go extra mile types model has broken down subassemblies Jigs strut locator blocks predrilled pilot holes lower wing spar alignment boxes used temporarily locate align wings struts built place assembly taken apart simplify covering painting polishing detailing procedures parts should automatically proper alignment reassembled undercarriage tail surfaces will built first construction will delayed pans required Undercarriage Bind 1/8 diameter music wire main strut /s plywood mounting plate Fashion simple jig locate lock axles proper fore-and-aft position relative plywood platform Now bend up fit bind fine wire solder other struts place will much easier install fiberglass balsa strut dummy shock absorber fairings now rather after assembly permanently mounted fuselage Stabilizer Elevators Cut 1/t6 sheet balsa cores stabilizer elevators Soak four 1/t6 x /t6 balsa strips ammonia bind around stabilizer leading edge dry can cemented core remainder balsa frames ribs can cemented cores Install elevator horn tubing wire hinge system surfaces Add hardwood rigging wire mounting blocks Sand assemblies satisfaction set aside Fin Rudder fin rudder structures built same manner stabilizer elevators Fuselage Cut 3/u sheet balsa fuselage sides Lay out centerlines bulkhead stringer locations parts Cut out bulkheads Lay out accurate centerlines both sides bulkheads will easier accurate cement cabane strut locator blocks lower wing spar locator boxes rigging wire locator blocks bulkheads 2-5 now rather after assembled fuselage side members Epoxy bulkheads 2-4 crutch reinforce corners triangular strip gussets heart airplane double-check square alignment dry cement remaining bulkheads tail post place Again check alignment Epoxy 3/ x t/2 x 1 li/s rock-hard Photos author Graphic Design Carla Kuns maple engine mounts place Locate drill set bellcrank engine blind mounting nuts beams Install /s plywood engine mount firewall reinforcing gussets time Make up two 62 sheet balsa cabane strut erection jig templates using pattern found Sheet 2 plans Study patterns carefully drawings depict three sets jigs used different stages construction Cement jigs top fuselage sides Draw centerlines two 3/ x pieces balsa Measure out 3 inches centerlines mark cabane strut pilot hole locations Drill /6 diameter holes through spars elongate holes forward spar about 3/r x I32 Align epoxy spars cabane erection jigs tAe wire can bent up fitted between locator holes bulkheads dummy spars Fit balsa fairings struts fairings accurately butted against bottom surfaces dummy spars time upper wing center section will always automatically located time fitted cabane struts later jigs can now removed Continue fuselage construction cementing longerons stringers wing root fairing blocks stabilizer outline framing members fuselage sides tA2 plywood leadout wire elevator pushrod wire dummy rudder elevator control wire guides can added Make up brass throttle reverse travel crank install Bolt engine bellcrank leadouts installed place Slide stabilizer its slot pin firmly place Make up throttle elevator pushrod wire linkages Check operate smoothly binding Solder linkage connections except carburetor crank elevator horn engine tail surfaces can removed set aside April 1998 25 Corrugated cardboard templates tape used align wings struts epoxied locator socket holes Spoked wheels laminated display-only prop used dress up Eaglerock Locate epoxy fuel tank position Epoxy tail skid assembly position Epoxy balsa triangular strip reinforcing gussets fuselage sides bulkheads 2 3 epoxy undercarriage assembly platform against Various balsa blocks two 1/16 x basswood stringers will finish off fuselages bottom side Cement five 1/16 x Vs basswood turtledeck stringers balsa tail cone fairing fuselage top Cockpit Choices time must decide whether install detailed cockpits Precision Scale model install platforms mounting dummy pilots Sport Scale model fly Sport Scale opted platforms Take time put good finish platforms portions bulkheads 4-6 will visible through cockpit openings Make up install instrument panels Soak /s x 7 x 12 balsa sheet ammonia bend position over fuselage top dry remove formed part put good finish inside surface cockpit areas will find much easier fit glue formed part fuselage two pieces rather So slit piece down its center apply model Wait until painting finishing procedures complete before cutting out cockpit openings Cowlings Upper lower cowlings made various balsa blocks Note area lower cowling just ahead undercarriage left open just full-scale Eaglerocks Two Vs x guide boxes created part cowling accurately locate dummy radiator supports final assembly upper cowling built up balsa blocks shaped Recessed slots cut cowling accept dummy exhaust stacks carved wood 1A6 diameter dowels locate reinforce attachment stacks final assembly Four blind mounting nuts bolts locate hold upper cowling position Mark cut carburetor needle valve exhaust cylinder head openings cowling check clearance Set fuselage aside Wings Cut notch balsa leading trailing edges Make up basswood spars Laminate four tips 60 ribs required make up two plywood aluminum templates sandwich batches dozen balsa blanks between templates quickly accurately shape ribs Use forward section templates #11 X-acto blade cut 120 false ribs find tricky accurately assemble wings three panels like upper wing try simple jig Take 2 x 8 x 52 x 8 two x 22 pieces wood Assemble three panels heavier base piece outer panels blocked up until correct dihedral angle 1 achieved Tack plans over jig build 26 Model Aviation rged opening cowl provides additional cooling air will exit through scale opening bottom cowl Alexander Aircraft Company logos fin rudder Note tubing wire elevator hinge system wing one-piece unit butt joints frames spars can accurately fitted together alignment dihedral outer panels will dead-on accurate Assemble center section first followed outer panels ailerons built wings accuracy separated later Install strut rigging wire locator reinforcing doublers Lift assembly off building board sheet both sides center section represents fuel tank Drill A6 diameter holes rigging wire strut end locations Add 1 /2-ounce outboard wingtip weight Carve sand assembly shape Cut ailerons separate set upper wing ailerons aside lower wing panels can assembled flat building board much same manner upper wing differences note dummy aileron horn support pieces sheeting wing panel roots Struts Wing Alignment Make up four corrugated cardboard interplane strut erection jig templates using pattern aircraft industry always seems have enjoyed roller coasterlike periods enormous growth prosperity followed steeper declines World War stimulated unparalleled technical advances growth industry wars end development commercial aviation dampened years huge numbers World War surplus aircraft dumped market fire sale prices era business environment Alexander Aircraft Company introduced new biplane Eaglerock early 1 920s J Don Alexander president film company using aerial salesmen fly between appointments company business calls Building airplanes natural next step someone Alexanders entrepreneurial nature enthusiasm Alexander persuaded brothers get airplane making business 1924 An airplane designed manufacturing facilities set up network distributors dealers established new Eaglerock biplanes proved popular small operators flying schools though plant facilities constantly expanded seemed production would never catch up demand until stock market crash October 1929 Great Depression Aircraft sales fell dramatically company tried desperate measures stay afloat August 5 1932 company closed its doors forever Alexander Aircraft Company gone great growth prosperity complete oblivion just seven years its brief corporate life produced almost 1300 airframes nearly 900 popular Eaglerock biplane series Very few Eaglerocks have survived Wear accidents claimed some During doldrums 930s out-of-license Eaglerocks simply stored parked rotted away few employed crop dusters Run-out Eaglerocks also prime candidates beat-up cheap airplanes needed movie production crash sequences Central Airport has three-minute segment hero taxies American Eagle biplane runaway Eaglerock air circus Flying Irishman stars Douglas Wrong-Way Corrigan includes three-minute clip flier has just failed medical examination defiantly performs aerobatics suffers attack plunges Earth really spectacular dive crash close-in shots crash Eaglerock Far-away stunt-flying sequences filmed using Travelaire 2000 Hollywood old bashful about mixing airplane types film sequences k Beatty April 1998 27 Wire undercarriage framework plywood mounting plate Metal templates used shape wing ribs blanks Three-panel wing built piece accuracy plans Slip lower wing panel spar stubs fuselage locator blocks Slip cabane struts locator blocks Settle upper wing onto cabane strut ends Fit four cardboard templates between wing panels two side bind assembly masking tape Double-check fine-tune spacing angles attack alignment four wing panels satisfied start bending fitting soldering /16 music wire interplane aileron struts Patterns shown drawings prefer build place model choice Fit balsa fairings struts fairing ends accurately butted against wing spar doublers wings will automatically aligned final assembly Break assembly apart Solder coils fine copper wire strut ends similar screw thread Drill out strut locator holes /32 diameter Reassemble model check alignment parts Little no change should have occurred alignments Finishing All major components now built must prepared finishing Fill dings pinholes sand thoroughly fabric-covered structures full-scale version covered silk model Cowlings struts other solid sheet-covered areas fiberglassed point fin stabilizer headrest cemented permanently fuselage Punch hole through covering rigging wire strut locator hole will lost under coats dope come standard Eaglerock color scheme silver wings tail fuselage metal panels cowling struts painted Eaglerock Blue Im sure anyone can say absolute certainty what color Eaglerock Blue Officially Alexander folks describe color medium blue wrote John de Vries pretty vague goes suggest Testors gloss enamel blue stock #1110 paint plastic models smidgen too dark just about right lightened five six drops white Current aircraft paint color charts also examined useful clues Ultimately equal parts Aeroloss Corsair Blue Aeroloss Curtiss Blue mixed come up blue seems reasonably close simple formula like wont require chemist mix up another batch need arises Aeroloss dope used throughout coats sprayed consisted half-dozen clear coats eight filler coats eight silver coats wet-or-dry sanded after second coat fuselage masked off struts cowlings spinners Continued page 33 28 Model Aviation feathers have sheet balsa sandwiched between scale structural members Fuselage top sheeting formed piece eliminate planking joints Cabane struts have faired out located simple jig Eagerock/Beatty Continued page 28 sprayed four coats Eaglerock blue black registration numbers masked off Simair Frisket Film silver-colored areas given two coats clear dope prevent streaking fuel residues dull oxidation look silver can often get hand-rubbed #7 rubbing compound nice gloss finish Some 20 coats dope added about eleven ounces weight model about 1/2 ounce per coat have iron nerves steady hand company logos can put directly Eaglerock fin rudder colored dope black Sanford Sharpie permanent marker took different route Cover 12-inch square glass film soapy water Spray surface silver dope apply markings surface Protect markings clear dope overspray can peeled off glass attached model watery mbt Elmers glue sealed around edges thinner protected overspray clear dope lengthier detailed instructions see Hot Canary construction article March 1996 Model Aviation Detailing Cut out cockpit openings Apply leather headrest padding cockpit coamings Fabricate windshields 025 styrene sheet install already fabricated installed details like dummy gas tank strapping wing rudder tip lights exhaust stacks gas caps wing walks dummy aileron/elevator/rudder control horns pilots radiator next dummy radiator has extra-long side extensions butt against engine mounts help locate align non-flying decorative propellor made nine alternated Yl6 plies April1998 33 PARTS AVAILABLE Most IgEngines Catalog $900 Intl ED Idel Engines ___Eby Cyclone vnup Cye 0 son 3706N33rdSt10ab IDhon 616 F GA E-Mail Aero-EIetricattnet Swiss pear basswood bonded Elmers Carpenters Glue X-Acto blades will hardly touch hard woods heavy duty rasp sandpaper way go Finish clear dope simulated brass dope leading edges Assembly Coil solder soft copper wire around ends 42 pieces varying lengths A2 diameter brass rod Epoxy wrapped ends rigging wire locator hole about inch unwrapped rod standing proud Epoxy lower wing fuselage Epoxy cabane struts fuselage locator holes Temporarily slip interplane struts lower wing locators Settle upper wing onto struts Slip cardboard final assembly jigs place two side tape whole assembly firmly together Check wing panels accuracy spacing alignment dihedral angles angles attack Fine tune necessary Disassemble checks out Glue interplane struts lower wing struts upper wing using slow-set epoxy Slip templates place again tape up firmly make sure alignments still money allow set overnight Rigging Wires Study rigging wire fitting details Sheet 2 selfexplanatory Make up 42 /l6 diameter brass tubing fittings Bend brass rod slightly away pull its rigging wire Using cut-and-try methods make up individual rigging wires length Fit wire its fittings its brass rod counterparts Solder both fittings rods sweat-solder just rigging wire end fitting After installed flex lower wings up solder ends landing wires corresponding fittings put little tension wires Flex upper wings down just bit solder flying wires corresponding fittings put little Inflight ON/OFF Switching Simple Plug Installation Sensors Internal & Unaffected External Conditions Consistent Operation Day Night Overcast Sunny real Auto Pilot Designed back-up unit levels skill BTA Automatic Piloting Systems 192 Yorktown Lane Costa Mesa CA 92626 Phone 714-979-8948 Fax 714-979-8947 Send SASE tnformation Adjustable Zero & Gains Compatible RC Systems Endorsed Used Top Gun TOC Giant Scale Race Pilots & Experimental Full-Size also April 1998 35 II\ KEEP FLYING THAT MODEL BTA AUTO PILOT FOR YEARS tension wires Snip off excess brass rod ends file smooth effort super-neat job cut off very short occasionally fitting will separate its rod recommended left bit long Rigging wire vibration dampeners made Yl6 diameter x 6/s long brass rod bound rigging wires button thread CyA Flying From very first Eaglerock flew very steadily just little fore-and-aft oscillation ground handling good first completed models thrustline level model suspended its recommended balance point model tended oscillate three times after applications elevator control especially flying gusts prefer models rock-steady respect Five ounces lead added models nose making model hang nose-down about seven degrees corrected problem Observers have noted model seemed flying too fast scale antique biplane Switching 11 x 6 propellor 11 x 5 slowed model scalelike speed gusty day will use 11 x 6 model has fairly light wing loading ample wing area considerable lift Landing approaches must made very slow speeds model will tend roll out tail-up wheels until touch elevator applied get tail ground model taxied too fast coming wind may want balloon back air Eaglerock can flown regularly during weekend flying sessions can very competitive contest circuit Now thats kind Scale model k Beatty 2608 Pontoon Rd Granite City IL 62040 SCREAMING DIVEATTACIES AUDIBLE FLIGHT MANEUVERS DeeelepedfeRC a, Taele,oaI LlghRoeigSt 7e Rakeaytentnawno ondefi Qauknuetoepennaantneat HgS RPM doable sealed beannp ,netOaao baNne, dy asepeedeeded Sje doable a aadjbl alespeed jdiale CALL OR WRITE FOR FREE BROCHURE Air Screamer TM I* 39 o9r flaR75USOSflpeag i C Products 6924 E 92nd a OK 74133 VISAItiili918-492-9435 918-492-9375 t time can test mood engine COmpreSSiOn Broken rings excessive ring wear excessive piston wear bent valves leaking head gasket can detected tbru compression testing Regutar testing can determine fast wear occurs attows take corrective action Helps determine condition used engines foe buying selling must engine performance modifications LY Plaet375USOSSppag P0 Box 144Dealer Inquiries welcome Wood Ridge NJ 07075DIRttIrpIRRRR bailt CUStOm Built AirGraft 910-869-9339 April 1998 37 COMES COMPLETE WITH GLOWPLUG ADAPTER FOR GLOW ENGINES SPARK PLUG ADAPTER FOR GAS ENGINES EX7ERA VALVE CORES SPARE CAPS AND 0-RING Olbee Adple floaileble Nelon taint Plg RUSS lNooSpakPlutHNS5 TorSo Plot 0 5555 .a ,oao la. rrrr laaaa5a rraa aCa ro ore raerere ~0OJJ Orro 0 urckpit lntenral rile rr 2lo 15 LCD eseen sire Ito 35 AR RRbtard mRRitRr tR check ysr receiver batteey pack Na mare ESV hRRkaps Able IR see batterys vRltagr IR iseaeest ltmV iR easy read digits An alarm flashirg LED ii yRRe vRltage deRpa below 11 volt per cell switch allRwn YRR ehaRse leRm ito cells battery pack IRW battery alarm car aid ia findirg dRwrtd airplane Plugs iRtR ary spare receiver pRrt ard mRants screws like servo alarm ard LED can enabled Re disabled KRRw vRlta$e SORR YRR him Rn receiver Small lightweighl Rnly 1/2 wInce Draws loss thar imA mast iar airplane helicRptee aad sailplane Year Warnaertv