NO OCR TEXT wide trifle longer wing panel very light /32 sheet balsa Epoxy y-in-wide strip graphite laminate along edge 3/, x leading edge along other choice glues Make sure spacing accu rate Glue ribs panel ex cept two center W2 ribs Add trailing edge making sure prop erly blocked up its bottom surface aligns airfoil contour above drying make two stub spars including scrap balsa filler wedge goes below aluminum tube Notch tops necessary ribs stub spar epoxy place Add final W2 ribs two pieces point convenient join tip root panels proper dihe dial angle Just bevel leading trail ing edges join epoxy rein force A-in length graphite laminate Epoxy-glue remaining fillers webs latter A2 soft sheet exactly wide grain running ver tically Structural theory states stress shear web I-beam equal directions important Left tow model circling slack line Above Upper end streamer has iight wire rIng captured hooks atch fuii streamertralis out fiier knows sure hook has unlatched Set unlatch tension suit flying styie Left Bobs unusual stab hold-down has large loop dethermalizer lineworks smoothly eliminates conventional hooks several stabs can stacked togetherwithout puncturing another Right pigtail rudder horn andthe upperend ofthetorslon-bar rudder spring small screw left side rudder adjusting incidence Stab pops up angle 500 dethermalizlng November 1985 79 Author/designer Hatschekgives usaviewof machIned aluminum front end Thlsver sion slightly heavierthan built-up Bob allows model circle line both types required ballastto bring Thatjungle off runwayiswhyhewears up weight required A-i rules WW li-type legglns Galeville NY site Left Machined front end provides clean installation modified KSB timer Hatschek circle-tow hook Right Once optimum hook position has estabiished theres no further need remove piy/baisa housing fieid Wing rod puiis out compact packaging Note washin adjusteron ieft wing oniy left-turning model Tow hook avaliabie NFFS Supplies author seetextfor nose pictures snow tne working innaras Trom both siaes washin adjuster requirsa am n very convenient ulatscneK says Left Partially disassembled front end tow hook shown iatched position Right Completely disassembled tow hook unlatched position hook latched position line wire arm thats screwed iatch pulls timer lever off unlatched reixed line ailowathe internal spring switch timer Automatic timer-start eliminates need fora pullpin start allows modeito released merely releasing towilne iong asthe streamershowsthatthe hook unlatched advantage altitude gained zoom launch its easy see author used model try out ideas A-2 Gliders thing structure effectively pre vent possibility upper flange bending thorough epoxy top graphite spar can now added followed beveling off leading edge adding top sheet complete D-box Alternately graphite can epoxied top sheet can added unit using epoxy web least Cover bottom central area shown plans A2 sheet graphite strip has epoxied dry insert first-bay filler short length /32 aluminum tube has bound glued both wing wires tubes align care fully apply epoxy set filler rear tube Add remaining fillers top center-section sheeting Other details wing construction relatively straightforward should present no difficulties covering Japanese tissue five six coats thinned nitrate dope Stabilizer Building tail simple adequately detailed drawing have using structural design 30 years recommend highly Its reasonably light sufficiently strong quite resistant warps cover ing again Japanese tissue on80 Model Aviation Full-Size Plans Available. See Page 172 TLBE WO FILL BETWEEN ISO jW2 j 7FILL BELLEL HV STUB SPAR STUB SPAS ENDS HERE 6*5 HARD T E LEFT WING SOB 1/2 GWAPIITE FIBER LAMIN~E TSP & BOTI IIIIIIII I32 BALSA WEB VERT GRAIN FROB HERE TO TIP IIIIII I/IS GUSSETS W3W3 ALL RIBS 1/6 MED BALSA UNLESS NOTED 53W3AS U3IU 17 MED HARO BALSA TURE/LATOR R FT SAL ILJY _________ COVERING TOP U BOY RIGHT WING p STUB SPWE TAPER FROM I/BSO SPRUCE LS BALSA FILL1/6 05 ALAM TUBE BAD WITS THREAD & EPEBIS TO STUB SPAR DIHEDRAL DETAL3-14 NOT TO SCALE2 I BA 1/16 SHEET AT 3d ANGLELS1/32 7SOuGUSSETS BOY SLBFACEI SISOSZSOSOSO U11 \ II ALL DTHERS/32\\// STABILIZER 6RB\//B I/B IIB PLY DOUBLER RIGI-IT SIDE1/32 PLY D/T 005012 STRW4IED CABLE 3/32 WIRE 5 1/S PLY DOUBLER ILEFTI 1716 PARE H 2I/S 2 PLY SIDES BOTI- I/Sd PLYNOTE BALANCE WITS CU AT SAX1/32 PLY SADDLE ITO TOWICOK IU BALSA FAIRING BLOCK S/T LINE ENTERS HERE -- DOUBLERFIBEROLASS BOOM ZFI/2 LONG TAPERS FROM S/B TO S/AL APPROIL S GRAMS 4ALAST ACCE~ THROUGH TIMER CUTOUT flYSS TIMES SI-OAF 3/S,I/2 BALSA CIRCULATOR A-I TOWLINEK PROJECTED ISNOSHMI 51 HOlES 027 SO IN STABILIZER SPAN IS-3/S UREA ASSO IN TOTAL UREA 275 SO IN WEGHT 221 GRAMS DESONED 6 DRAWN BY BOB SATSCHES LHATSCSEK CIRCLE-TOW HOOKREMOFABLE HOUSINGINCIDENCE ADJUSTMENT WITH TIMES-START FUNCTONBAUSS 42 USAMS3/B WIEWO OF CC NYS-O SCHEW-STRWGRT-TCBK MODE\RUATS7/ -- I D/T LINE ENTERS YOU OD LANK LEE 0AA0-SA FLAT-HEAD SCREW 00 3/6BA SHOALTERNATE FRONT END MACHINEG I/BODS I/A LOMG ALUM TUBE I/B SOFT BALSA\, -CLOTS BAIflOO SKIDUHINGES I2325B ly four coats dope final weight original six grams Fuselage Two designs presented plan conventional plywoodand-balsa box fiberglass boom other assembled primarily machined aluminum components pro- cut 1/32 plywood internal totype Circulator shown photos doublers added box assembled uses machined aluminum front end 1A-in-wide top bottom blocks Glider fliers machining three formers indicated plan facilities conventional box recoin- added bottom block grooved mended structural concepts rear accept tail boom conventional body adapted earli- epoxied place er A-i design well proven reason left-side doubler made aerodynamic layout two plywood provide adequate clearversions identical ance space operation automatic conventional body simple timer-start lever Hatschek tow barely requires description sides are Continued page 156 Left wing-wash adjuster has crossed brass tubes sliver-soldered together OBO screw pull down against coil spring adjustment Right Modifications KSB timer include new faceplate new tImer-start lever spring-loaded short winding barsoldered groove acrossthe disk retainIng nut Mods allow internal mounting leaving disk flush fuselage side November 1985 81 I/BA 52SIPLY- DOWj 32Th FL Y ME WINDSOCK Wind Direction Anytime Anywhere Attaches antenna mast clips clips included Available frequency colors Give frequency number order 65 Foreign orders add S&H $150 calif Residents add 6% tax Product Brochure Free order Jeffla Products PO Box 484 Lake Elslnoro CA 92330 714 674-1151 engines engineered meet demands discriminating modeler backed service match fraction scoring rule dictates Indoor Nats rousing success clean site good weather led long flights contest administration Homer Smith Sandy Murry Frank Linda Brown ran flawlessly considerably con testants year 1983the word got out hangar excellent site Everyone looks forward another Nats sometime future Circulator/Hatschek Continued page 81 hook Instructions timer-start system provided hook available NFFS Supplies 12 Cook St Rowaytown CT 06853 directly RL Hatschek 316 Grosvenor St Douglastown NY 11363 $24 USA Canada $25 overseas Obviously dont have use Hatschek hook However performance will best full-function hook includes latch separate rudder positions straight tow circle tow zoom glide circle independently adjustable automatic timer start am aware commerciallyavailable tow hook provides functions also compact enough fit inside Circulator fuselage standard pin-type hook mount used see hook instructions works simply inserted through top fuselage /6-in music wire pins inserted through holes body secure system series holes allows hook shifted optimum tow position simple hatch cover can made piece A6 sq balsa profiled top match air foil inserted opening secured wing wires through tail boom original whats left over fiberglass fishing-rod blank after rest used A-2 boom Virtually anything similar would such fiberglass arrow shaft weight should exceed 12 grams lighter better Remaining details pretty straight forward shown either drawing photos Glider fliers also machinists may prefer alternate front end Actually machined version offers no performance advantages just produces individualistic model happen enjoy working metal all-wood version will probably lighter still necessary add seven grams ballast center gravity bring metal version up required 220 grams anyone adding weight model two-piece plug-in wing let suggest sheet brass sheet lead ribs slipped over wing wires original Circulator body started Continued page 160 MULTIPLEX DEALER INQUIRIES INVITED 2001 FM Norrowbond PCM ZZ. Exclusive MEMORY SOFT MODULE Flight Tested Since 1979 14 Ch ROYAL mc! 3370 N HAYDEN RD SUITE 123-234 SCOTTSDALE ARIZONA 85251 156 Model Aviation 5ACH537 wlmuffier 65 HP 5 lbs 15 Os 5ACH5DOLMAR 34 wmuffier 60 HP 5 lbs electric Ignltioni Prices include postage handling chsrgesi 8 pius tails 1zEzI THE RADIO CONTROL BUYERS GUIDE new 9th edition now local hobby shop contains thousands photos product descriptions radio control raft Cars s ems nes s Hardware Accessories s os RCBG single largest source infor mation RIO modeling available Whether youre advanced R/Cer eager novica RCBG will master reference So before plunk down hard earned cashLook Before Buy available locally may send $995 plus $175 shipping Radio Control Buyers -- Guide Dept 100 Clifton House Clifton VA 22024 sure indicate street address j I I II I I I I I I I I I 1/5 SCALE WINGSPAN 626 FASTAND SLEEK NE 40-45 FOAM CORE WING NELS 4-5 BALSA FUSELAGE IL $15995 Now Available Wherever RIC Models Sold. Write ST CROIX MODELS OX 279 FALLS WI 54552 NEW SPACE SAVING FUEL CONTAINER rituinYourges 2l/2s7318h1g1xtl/8 Tough 11gW PoIylhyIeue Includes AlITuhhg ph $120 postag Fasteners Loch Tuhieg Through Cap North Products PO Box 18419 Cleveland Heights OH 44118 Circulator/Hatschek Continued page 156 length 3A-in OD aluminum tubing wall thickness 055 carefully turned down 700 OD 030-in wall reduce weight re maining details should pretty obvious plan photos machinist AU assembly screws No 2-56 both flat head fillister head ex cept trim screw nose round head 8-32 thread holding brass nose weight fuselage tube 32 threads per inch OD approximately 670 removable housing hides machined parts consists 1/32 plywood sides 14-in-wide balsa blocks formers simply slips down over 1A-in -wide aluminum formers held place wing wires timer mounting screws Doublers used Flight trimming Start pleasurable task home first positioning tow hook indicated drawings adjusting ballast put center gravity 50% wing chord Dou ble check both simply hanging completely assembled model upside down its tow hook type loop string Circulator should dangle its fuselage 150 horizontal tail down inverted position course simplest accurate way check correct positioning tow hook angle much important distance CG its difficult check outdoors breeze Wing warps should also checked home Correct steaming necessary Both tip panels should have equal wash out about 14 left-circling Glider inboard panel right wing should flat inboard panel left wing should have about 14 washin right-circling Glider warps inboard panels should reversed should also have put rudder horn left side course incidence adjuster used right still shop check tow hook action clearances setting four rudder positions Mine 160 Model Aviation SCALE DOCUMENTATION WORLDS LARGEST COLLECTION Color POTOPAAKSKOKUFAN 3vews 30000InstOOk2000 20503e CATALOG SCALE MODEL RESEARCH Stsfactsn418k Ooesnfont t GuaranteedNewOorm eeaCh CairfoInrO 92651 Two TOP QUALITY Canard IJA 1/4 SUAL SPAN 485 ALL BALSA ENGINE 35-45 EASY TO BUILD NELS 4 AND FLY IL $12995 DIRECT BRITAINSPOPULARDIRECT ONLYMOSTHELICOPTER ONLY METAL GEARS MAIN ROTOR & TAIL FAN COOLING ALL MODELS WITH COLLECTIVE PITCH Hughes 300 28 -45 Motor pan 224s VISA_ MORLEY S/F LOW COST PARTS EASY TO BUILD ios COMPLETE WITH RETRACTS IN KIT MON 404 991-1995 9 AM 8 PM 634 ROY HUIE RD 18-A RIVERDALE GA 30274 follows straight-tow 2mm right circle-tow 6mm left zoom launch 3mm left glide circle 5mm left will probably prudent back off 2-3mm initial flights especially circle-tow glide field initial hand glides hook unlatched have glideturn setting should enable get stab setting fairly quickly start throwing Glider somewhat harder nose up slight left bank simulate zoom launch can tell quite lot make sure dethermalizer DT timer running Make first few trial tows hook unlatched until youre getting reasonably straight safe tows try few hook unlatch tension set about 2 lb will probably unlatch early progressively increase setting about ime youll need fish ermans spring scale original Circu lator uses unlatch setting 3 lb Please note personal preference lighter settings other Glider fliers play model like fish line avoid premature unlatch left-circling Circulator comes overhead fairly zippy tow tends turn slightly right due believe left-wing washin Increasing tow speed point slightly sooner unlatches hook gives slight left L&L MODEL PRODUCTSTA Introduces TH EIFIPIiI N N 6 SPORTSMAN SYSTEM Symmetrical Wing NOVICEWith Ailerons S Channel SimplicityAerobatic Maximum Stab ty Flat Bottom WingForgiving 7 L&L SPARLOCK PLUS ng Construction Wing Kit Updates ured Both K ts NOVICE 4 Channel55 Wing Span 29 40 Eng ne SPORTSMAN Are Ready L & L MODEL PRODUCTS DEALER & DISTRIBUTOR INQUIRIES IN VI TED7342 Appleridge Ct Cincinnati Ohio 45247 Phone 513/385-0912 rudder causing turn bank reverse glider banked slightly leftand fairly critical bit timing takes practice learnI release either letting go line plucking Releasing line gives better zoom plucking allows reel faster since dont have chase line first Additional Insights enjoyment literally competitive application circle towing can gleaned following sources Glider FlyingRussian Style Jim Wilson Model Aviation July 1978 Circle Game Gary T Medley Mode/Airplane News December 1980 January 1981 two parts Ten Years Hook Works Bob Hatschek NFFS Sympo Fourteen August 1981 New Home/Goodwin Continued page 82 substantial job City machinery work obtained could used needed elsewhere field put according AMA FLYING NEAR AIRPORTS BE CAREFUL PROTECT YOUR RIGHT TO FLY let roduclag. Ereb RIC Idle-Bar Glow Plugs Long Short Only $1 o Also Traditional line non-idle bar Glow Plugs Six Types 3 Heat Ranges High Performance Glow Element Blow Proof Seal Swanson Associates PO Box 151 Wayne NJ 07470 Only $129 S,ee 1948 162 Model Aviation Bell 47-G 48- 45 Motor pan 269 Send 200 full formation Pack Color Photos o Available AguSta 40-45Motorea opan 34995 Atom Back Approx Wt 1 75 oz Displacement 09 cu Bore- 5 Stroke 5 Piston- Steel Crank CaseMagnesium Alloy lOriginall Crankshaft BearingSilicon Bronze Cylinder Chromally Steel Approx RPM -12000 Iwith GreyCox7 x4 prop $ flfl95 Price guaranteed through 19851 FOB Los Angeles CA Add $2S0 shsppng per engine CA residents add 8% Sales Tax Order Direct See Local Hobby Store ATOM smallest ignition engines ever produced Designed R Arden further developments John Morrill simplex Engines Limited Production Run DelIvery 10- l2weeksARO F~Sho7 Write price listl MorriII-ADC PO Box 1210 Simi Valley CA 93602
Edition: Model Aviation - 1985/11
Page Numbers: 78, 79, 80, 81, 156, 160, 162
Edition: Model Aviation - 1985/11
Page Numbers: 78, 79, 80, 81, 156, 160, 162
NO OCR TEXT wide trifle longer wing panel very light /32 sheet balsa Epoxy y-in-wide strip graphite laminate along edge 3/, x leading edge along other choice glues Make sure spacing accu rate Glue ribs panel ex cept two center W2 ribs Add trailing edge making sure prop erly blocked up its bottom surface aligns airfoil contour above drying make two stub spars including scrap balsa filler wedge goes below aluminum tube Notch tops necessary ribs stub spar epoxy place Add final W2 ribs two pieces point convenient join tip root panels proper dihe dial angle Just bevel leading trail ing edges join epoxy rein force A-in length graphite laminate Epoxy-glue remaining fillers webs latter A2 soft sheet exactly wide grain running ver tically Structural theory states stress shear web I-beam equal directions important Left tow model circling slack line Above Upper end streamer has iight wire rIng captured hooks atch fuii streamertralis out fiier knows sure hook has unlatched Set unlatch tension suit flying styie Left Bobs unusual stab hold-down has large loop dethermalizer lineworks smoothly eliminates conventional hooks several stabs can stacked togetherwithout puncturing another Right pigtail rudder horn andthe upperend ofthetorslon-bar rudder spring small screw left side rudder adjusting incidence Stab pops up angle 500 dethermalizlng November 1985 79 Author/designer Hatschekgives usaviewof machIned aluminum front end Thlsver sion slightly heavierthan built-up Bob allows model circle line both types required ballastto bring Thatjungle off runwayiswhyhewears up weight required A-i rules WW li-type legglns Galeville NY site Left Machined front end provides clean installation modified KSB timer Hatschek circle-tow hook Right Once optimum hook position has estabiished theres no further need remove piy/baisa housing fieid Wing rod puiis out compact packaging Note washin adjusteron ieft wing oniy left-turning model Tow hook avaliabie NFFS Supplies author seetextfor nose pictures snow tne working innaras Trom both siaes washin adjuster requirsa am n very convenient ulatscneK says Left Partially disassembled front end tow hook shown iatched position Right Completely disassembled tow hook unlatched position hook latched position line wire arm thats screwed iatch pulls timer lever off unlatched reixed line ailowathe internal spring switch timer Automatic timer-start eliminates need fora pullpin start allows modeito released merely releasing towilne iong asthe streamershowsthatthe hook unlatched advantage altitude gained zoom launch its easy see author used model try out ideas A-2 Gliders thing structure effectively pre vent possibility upper flange bending thorough epoxy top graphite spar can now added followed beveling off leading edge adding top sheet complete D-box Alternately graphite can epoxied top sheet can added unit using epoxy web least Cover bottom central area shown plans A2 sheet graphite strip has epoxied dry insert first-bay filler short length /32 aluminum tube has bound glued both wing wires tubes align care fully apply epoxy set filler rear tube Add remaining fillers top center-section sheeting Other details wing construction relatively straightforward should present no difficulties covering Japanese tissue five six coats thinned nitrate dope Stabilizer Building tail simple adequately detailed drawing have using structural design 30 years recommend highly Its reasonably light sufficiently strong quite resistant warps cover ing again Japanese tissue on80 Model Aviation Full-Size Plans Available. See Page 172 TLBE WO FILL BETWEEN ISO jW2 j 7FILL BELLEL HV STUB SPAR STUB SPAS ENDS HERE 6*5 HARD T E LEFT WING SOB 1/2 GWAPIITE FIBER LAMIN~E TSP & BOTI IIIIIIII I32 BALSA WEB VERT GRAIN FROB HERE TO TIP IIIIII I/IS GUSSETS W3W3 ALL RIBS 1/6 MED BALSA UNLESS NOTED 53W3AS U3IU 17 MED HARO BALSA TURE/LATOR R FT SAL ILJY _________ COVERING TOP U BOY RIGHT WING p STUB SPWE TAPER FROM I/BSO SPRUCE LS BALSA FILL1/6 05 ALAM TUBE BAD WITS THREAD & EPEBIS TO STUB SPAR DIHEDRAL DETAL3-14 NOT TO SCALE2 I BA 1/16 SHEET AT 3d ANGLELS1/32 7SOuGUSSETS BOY SLBFACEI SISOSZSOSOSO U11 \ II ALL DTHERS/32\\// STABILIZER 6RB\//B I/B IIB PLY DOUBLER RIGI-IT SIDE1/32 PLY D/T 005012 STRW4IED CABLE 3/32 WIRE 5 1/S PLY DOUBLER ILEFTI 1716 PARE H 2I/S 2 PLY SIDES BOTI- I/Sd PLYNOTE BALANCE WITS CU AT SAX1/32 PLY SADDLE ITO TOWICOK IU BALSA FAIRING BLOCK S/T LINE ENTERS HERE -- DOUBLERFIBEROLASS BOOM ZFI/2 LONG TAPERS FROM S/B TO S/AL APPROIL S GRAMS 4ALAST ACCE~ THROUGH TIMER CUTOUT flYSS TIMES SI-OAF 3/S,I/2 BALSA CIRCULATOR A-I TOWLINEK PROJECTED ISNOSHMI 51 HOlES 027 SO IN STABILIZER SPAN IS-3/S UREA ASSO IN TOTAL UREA 275 SO IN WEGHT 221 GRAMS DESONED 6 DRAWN BY BOB SATSCHES LHATSCSEK CIRCLE-TOW HOOKREMOFABLE HOUSINGINCIDENCE ADJUSTMENT WITH TIMES-START FUNCTONBAUSS 42 USAMS3/B WIEWO OF CC NYS-O SCHEW-STRWGRT-TCBK MODE\RUATS7/ -- I D/T LINE ENTERS YOU OD LANK LEE 0AA0-SA FLAT-HEAD SCREW 00 3/6BA SHOALTERNATE FRONT END MACHINEG I/BODS I/A LOMG ALUM TUBE I/B SOFT BALSA\, -CLOTS BAIflOO SKIDUHINGES I2325B ly four coats dope final weight original six grams Fuselage Two designs presented plan conventional plywoodand-balsa box fiberglass boom other assembled primarily machined aluminum components pro- cut 1/32 plywood internal totype Circulator shown photos doublers added box assembled uses machined aluminum front end 1A-in-wide top bottom blocks Glider fliers machining three formers indicated plan facilities conventional box recoin- added bottom block grooved mended structural concepts rear accept tail boom conventional body adapted earli- epoxied place er A-i design well proven reason left-side doubler made aerodynamic layout two plywood provide adequate clearversions identical ance space operation automatic conventional body simple timer-start lever Hatschek tow barely requires description sides are Continued page 156 Left wing-wash adjuster has crossed brass tubes sliver-soldered together OBO screw pull down against coil spring adjustment Right Modifications KSB timer include new faceplate new tImer-start lever spring-loaded short winding barsoldered groove acrossthe disk retainIng nut Mods allow internal mounting leaving disk flush fuselage side November 1985 81 I/BA 52SIPLY- DOWj 32Th FL Y ME WINDSOCK Wind Direction Anytime Anywhere Attaches antenna mast clips clips included Available frequency colors Give frequency number order 65 Foreign orders add S&H $150 calif Residents add 6% tax Product Brochure Free order Jeffla Products PO Box 484 Lake Elslnoro CA 92330 714 674-1151 engines engineered meet demands discriminating modeler backed service match fraction scoring rule dictates Indoor Nats rousing success clean site good weather led long flights contest administration Homer Smith Sandy Murry Frank Linda Brown ran flawlessly considerably con testants year 1983the word got out hangar excellent site Everyone looks forward another Nats sometime future Circulator/Hatschek Continued page 81 hook Instructions timer-start system provided hook available NFFS Supplies 12 Cook St Rowaytown CT 06853 directly RL Hatschek 316 Grosvenor St Douglastown NY 11363 $24 USA Canada $25 overseas Obviously dont have use Hatschek hook However performance will best full-function hook includes latch separate rudder positions straight tow circle tow zoom glide circle independently adjustable automatic timer start am aware commerciallyavailable tow hook provides functions also compact enough fit inside Circulator fuselage standard pin-type hook mount used see hook instructions works simply inserted through top fuselage /6-in music wire pins inserted through holes body secure system series holes allows hook shifted optimum tow position simple hatch cover can made piece A6 sq balsa profiled top match air foil inserted opening secured wing wires through tail boom original whats left over fiberglass fishing-rod blank after rest used A-2 boom Virtually anything similar would such fiberglass arrow shaft weight should exceed 12 grams lighter better Remaining details pretty straight forward shown either drawing photos Glider fliers also machinists may prefer alternate front end Actually machined version offers no performance advantages just produces individualistic model happen enjoy working metal all-wood version will probably lighter still necessary add seven grams ballast center gravity bring metal version up required 220 grams anyone adding weight model two-piece plug-in wing let suggest sheet brass sheet lead ribs slipped over wing wires original Circulator body started Continued page 160 MULTIPLEX DEALER INQUIRIES INVITED 2001 FM Norrowbond PCM ZZ. Exclusive MEMORY SOFT MODULE Flight Tested Since 1979 14 Ch ROYAL mc! 3370 N HAYDEN RD SUITE 123-234 SCOTTSDALE ARIZONA 85251 156 Model Aviation 5ACH537 wlmuffier 65 HP 5 lbs 15 Os 5ACH5DOLMAR 34 wmuffier 60 HP 5 lbs electric Ignltioni Prices include postage handling chsrgesi 8 pius tails 1zEzI THE RADIO CONTROL BUYERS GUIDE new 9th edition now local hobby shop contains thousands photos product descriptions radio control raft Cars s ems nes s Hardware Accessories s os RCBG single largest source infor mation RIO modeling available Whether youre advanced R/Cer eager novica RCBG will master reference So before plunk down hard earned cashLook Before Buy available locally may send $995 plus $175 shipping Radio Control Buyers -- Guide Dept 100 Clifton House Clifton VA 22024 sure indicate street address j I I II I I I I I I I I I 1/5 SCALE WINGSPAN 626 FASTAND SLEEK NE 40-45 FOAM CORE WING NELS 4-5 BALSA FUSELAGE IL $15995 Now Available Wherever RIC Models Sold. Write ST CROIX MODELS OX 279 FALLS WI 54552 NEW SPACE SAVING FUEL CONTAINER rituinYourges 2l/2s7318h1g1xtl/8 Tough 11gW PoIylhyIeue Includes AlITuhhg ph $120 postag Fasteners Loch Tuhieg Through Cap North Products PO Box 18419 Cleveland Heights OH 44118 Circulator/Hatschek Continued page 156 length 3A-in OD aluminum tubing wall thickness 055 carefully turned down 700 OD 030-in wall reduce weight re maining details should pretty obvious plan photos machinist AU assembly screws No 2-56 both flat head fillister head ex cept trim screw nose round head 8-32 thread holding brass nose weight fuselage tube 32 threads per inch OD approximately 670 removable housing hides machined parts consists 1/32 plywood sides 14-in-wide balsa blocks formers simply slips down over 1A-in -wide aluminum formers held place wing wires timer mounting screws Doublers used Flight trimming Start pleasurable task home first positioning tow hook indicated drawings adjusting ballast put center gravity 50% wing chord Dou ble check both simply hanging completely assembled model upside down its tow hook type loop string Circulator should dangle its fuselage 150 horizontal tail down inverted position course simplest accurate way check correct positioning tow hook angle much important distance CG its difficult check outdoors breeze Wing warps should also checked home Correct steaming necessary Both tip panels should have equal wash out about 14 left-circling Glider inboard panel right wing should flat inboard panel left wing should have about 14 washin right-circling Glider warps inboard panels should reversed should also have put rudder horn left side course incidence adjuster used right still shop check tow hook action clearances setting four rudder positions Mine 160 Model Aviation SCALE DOCUMENTATION WORLDS LARGEST COLLECTION Color POTOPAAKSKOKUFAN 3vews 30000InstOOk2000 20503e CATALOG SCALE MODEL RESEARCH Stsfactsn418k Ooesnfont t GuaranteedNewOorm eeaCh CairfoInrO 92651 Two TOP QUALITY Canard IJA 1/4 SUAL SPAN 485 ALL BALSA ENGINE 35-45 EASY TO BUILD NELS 4 AND FLY IL $12995 DIRECT BRITAINSPOPULARDIRECT ONLYMOSTHELICOPTER ONLY METAL GEARS MAIN ROTOR & TAIL FAN COOLING ALL MODELS WITH COLLECTIVE PITCH Hughes 300 28 -45 Motor pan 224s VISA_ MORLEY S/F LOW COST PARTS EASY TO BUILD ios COMPLETE WITH RETRACTS IN KIT MON 404 991-1995 9 AM 8 PM 634 ROY HUIE RD 18-A RIVERDALE GA 30274 follows straight-tow 2mm right circle-tow 6mm left zoom launch 3mm left glide circle 5mm left will probably prudent back off 2-3mm initial flights especially circle-tow glide field initial hand glides hook unlatched have glideturn setting should enable get stab setting fairly quickly start throwing Glider somewhat harder nose up slight left bank simulate zoom launch can tell quite lot make sure dethermalizer DT timer running Make first few trial tows hook unlatched until youre getting reasonably straight safe tows try few hook unlatch tension set about 2 lb will probably unlatch early progressively increase setting about ime youll need fish ermans spring scale original Circu lator uses unlatch setting 3 lb Please note personal preference lighter settings other Glider fliers play model like fish line avoid premature unlatch left-circling Circulator comes overhead fairly zippy tow tends turn slightly right due believe left-wing washin Increasing tow speed point slightly sooner unlatches hook gives slight left L&L MODEL PRODUCTSTA Introduces TH EIFIPIiI N N 6 SPORTSMAN SYSTEM Symmetrical Wing NOVICEWith Ailerons S Channel SimplicityAerobatic Maximum Stab ty Flat Bottom WingForgiving 7 L&L SPARLOCK PLUS ng Construction Wing Kit Updates ured Both K ts NOVICE 4 Channel55 Wing Span 29 40 Eng ne SPORTSMAN Are Ready L & L MODEL PRODUCTS DEALER & DISTRIBUTOR INQUIRIES IN VI TED7342 Appleridge Ct Cincinnati Ohio 45247 Phone 513/385-0912 rudder causing turn bank reverse glider banked slightly leftand fairly critical bit timing takes practice learnI release either letting go line plucking Releasing line gives better zoom plucking allows reel faster since dont have chase line first Additional Insights enjoyment literally competitive application circle towing can gleaned following sources Glider FlyingRussian Style Jim Wilson Model Aviation July 1978 Circle Game Gary T Medley Mode/Airplane News December 1980 January 1981 two parts Ten Years Hook Works Bob Hatschek NFFS Sympo Fourteen August 1981 New Home/Goodwin Continued page 82 substantial job City machinery work obtained could used needed elsewhere field put according AMA FLYING NEAR AIRPORTS BE CAREFUL PROTECT YOUR RIGHT TO FLY let roduclag. Ereb RIC Idle-Bar Glow Plugs Long Short Only $1 o Also Traditional line non-idle bar Glow Plugs Six Types 3 Heat Ranges High Performance Glow Element Blow Proof Seal Swanson Associates PO Box 151 Wayne NJ 07470 Only $129 S,ee 1948 162 Model Aviation Bell 47-G 48- 45 Motor pan 269 Send 200 full formation Pack Color Photos o Available AguSta 40-45Motorea opan 34995 Atom Back Approx Wt 1 75 oz Displacement 09 cu Bore- 5 Stroke 5 Piston- Steel Crank CaseMagnesium Alloy lOriginall Crankshaft BearingSilicon Bronze Cylinder Chromally Steel Approx RPM -12000 Iwith GreyCox7 x4 prop $ flfl95 Price guaranteed through 19851 FOB Los Angeles CA Add $2S0 shsppng per engine CA residents add 8% Sales Tax Order Direct See Local Hobby Store ATOM smallest ignition engines ever produced Designed R Arden further developments John Morrill simplex Engines Limited Production Run DelIvery 10- l2weeksARO F~Sho7 Write price listl MorriII-ADC PO Box 1210 Simi Valley CA 93602
Edition: Model Aviation - 1985/11
Page Numbers: 78, 79, 80, 81, 156, 160, 162
NO OCR TEXT wide trifle longer wing panel very light /32 sheet balsa Epoxy y-in-wide strip graphite laminate along edge 3/, x leading edge along other choice glues Make sure spacing accu rate Glue ribs panel ex cept two center W2 ribs Add trailing edge making sure prop erly blocked up its bottom surface aligns airfoil contour above drying make two stub spars including scrap balsa filler wedge goes below aluminum tube Notch tops necessary ribs stub spar epoxy place Add final W2 ribs two pieces point convenient join tip root panels proper dihe dial angle Just bevel leading trail ing edges join epoxy rein force A-in length graphite laminate Epoxy-glue remaining fillers webs latter A2 soft sheet exactly wide grain running ver tically Structural theory states stress shear web I-beam equal directions important Left tow model circling slack line Above Upper end streamer has iight wire rIng captured hooks atch fuii streamertralis out fiier knows sure hook has unlatched Set unlatch tension suit flying styie Left Bobs unusual stab hold-down has large loop dethermalizer lineworks smoothly eliminates conventional hooks several stabs can stacked togetherwithout puncturing another Right pigtail rudder horn andthe upperend ofthetorslon-bar rudder spring small screw left side rudder adjusting incidence Stab pops up angle 500 dethermalizlng November 1985 79 Author/designer Hatschekgives usaviewof machIned aluminum front end Thlsver sion slightly heavierthan built-up Bob allows model circle line both types required ballastto bring Thatjungle off runwayiswhyhewears up weight required A-i rules WW li-type legglns Galeville NY site Left Machined front end provides clean installation modified KSB timer Hatschek circle-tow hook Right Once optimum hook position has estabiished theres no further need remove piy/baisa housing fieid Wing rod puiis out compact packaging Note washin adjusteron ieft wing oniy left-turning model Tow hook avaliabie NFFS Supplies author seetextfor nose pictures snow tne working innaras Trom both siaes washin adjuster requirsa am n very convenient ulatscneK says Left Partially disassembled front end tow hook shown iatched position Right Completely disassembled tow hook unlatched position hook latched position line wire arm thats screwed iatch pulls timer lever off unlatched reixed line ailowathe internal spring switch timer Automatic timer-start eliminates need fora pullpin start allows modeito released merely releasing towilne iong asthe streamershowsthatthe hook unlatched advantage altitude gained zoom launch its easy see author used model try out ideas A-2 Gliders thing structure effectively pre vent possibility upper flange bending thorough epoxy top graphite spar can now added followed beveling off leading edge adding top sheet complete D-box Alternately graphite can epoxied top sheet can added unit using epoxy web least Cover bottom central area shown plans A2 sheet graphite strip has epoxied dry insert first-bay filler short length /32 aluminum tube has bound glued both wing wires tubes align care fully apply epoxy set filler rear tube Add remaining fillers top center-section sheeting Other details wing construction relatively straightforward should present no difficulties covering Japanese tissue five six coats thinned nitrate dope Stabilizer Building tail simple adequately detailed drawing have using structural design 30 years recommend highly Its reasonably light sufficiently strong quite resistant warps cover ing again Japanese tissue on80 Model Aviation Full-Size Plans Available. See Page 172 TLBE WO FILL BETWEEN ISO jW2 j 7FILL BELLEL HV STUB SPAR STUB SPAS ENDS HERE 6*5 HARD T E LEFT WING SOB 1/2 GWAPIITE FIBER LAMIN~E TSP & BOTI IIIIIIII I32 BALSA WEB VERT GRAIN FROB HERE TO TIP IIIIII I/IS GUSSETS W3W3 ALL RIBS 1/6 MED BALSA UNLESS NOTED 53W3AS U3IU 17 MED HARO BALSA TURE/LATOR R FT SAL ILJY _________ COVERING TOP U BOY RIGHT WING p STUB SPWE TAPER FROM I/BSO SPRUCE LS BALSA FILL1/6 05 ALAM TUBE BAD WITS THREAD & EPEBIS TO STUB SPAR DIHEDRAL DETAL3-14 NOT TO SCALE2 I BA 1/16 SHEET AT 3d ANGLELS1/32 7SOuGUSSETS BOY SLBFACEI SISOSZSOSOSO U11 \ II ALL DTHERS/32\\// STABILIZER 6RB\//B I/B IIB PLY DOUBLER RIGI-IT SIDE1/32 PLY D/T 005012 STRW4IED CABLE 3/32 WIRE 5 1/S PLY DOUBLER ILEFTI 1716 PARE H 2I/S 2 PLY SIDES BOTI- I/Sd PLYNOTE BALANCE WITS CU AT SAX1/32 PLY SADDLE ITO TOWICOK IU BALSA FAIRING BLOCK S/T LINE ENTERS HERE -- DOUBLERFIBEROLASS BOOM ZFI/2 LONG TAPERS FROM S/B TO S/AL APPROIL S GRAMS 4ALAST ACCE~ THROUGH TIMER CUTOUT flYSS TIMES SI-OAF 3/S,I/2 BALSA CIRCULATOR A-I TOWLINEK PROJECTED ISNOSHMI 51 HOlES 027 SO IN STABILIZER SPAN IS-3/S UREA ASSO IN TOTAL UREA 275 SO IN WEGHT 221 GRAMS DESONED 6 DRAWN BY BOB SATSCHES LHATSCSEK CIRCLE-TOW HOOKREMOFABLE HOUSINGINCIDENCE ADJUSTMENT WITH TIMES-START FUNCTONBAUSS 42 USAMS3/B WIEWO OF CC NYS-O SCHEW-STRWGRT-TCBK MODE\RUATS7/ -- I D/T LINE ENTERS YOU OD LANK LEE 0AA0-SA FLAT-HEAD SCREW 00 3/6BA SHOALTERNATE FRONT END MACHINEG I/BODS I/A LOMG ALUM TUBE I/B SOFT BALSA\, -CLOTS BAIflOO SKIDUHINGES I2325B ly four coats dope final weight original six grams Fuselage Two designs presented plan conventional plywoodand-balsa box fiberglass boom other assembled primarily machined aluminum components pro- cut 1/32 plywood internal totype Circulator shown photos doublers added box assembled uses machined aluminum front end 1A-in-wide top bottom blocks Glider fliers machining three formers indicated plan facilities conventional box recoin- added bottom block grooved mended structural concepts rear accept tail boom conventional body adapted earli- epoxied place er A-i design well proven reason left-side doubler made aerodynamic layout two plywood provide adequate clearversions identical ance space operation automatic conventional body simple timer-start lever Hatschek tow barely requires description sides are Continued page 156 Left wing-wash adjuster has crossed brass tubes sliver-soldered together OBO screw pull down against coil spring adjustment Right Modifications KSB timer include new faceplate new tImer-start lever spring-loaded short winding barsoldered groove acrossthe disk retainIng nut Mods allow internal mounting leaving disk flush fuselage side November 1985 81 I/BA 52SIPLY- DOWj 32Th FL Y ME WINDSOCK Wind Direction Anytime Anywhere Attaches antenna mast clips clips included Available frequency colors Give frequency number order 65 Foreign orders add S&H $150 calif Residents add 6% tax Product Brochure Free order Jeffla Products PO Box 484 Lake Elslnoro CA 92330 714 674-1151 engines engineered meet demands discriminating modeler backed service match fraction scoring rule dictates Indoor Nats rousing success clean site good weather led long flights contest administration Homer Smith Sandy Murry Frank Linda Brown ran flawlessly considerably con testants year 1983the word got out hangar excellent site Everyone looks forward another Nats sometime future Circulator/Hatschek Continued page 81 hook Instructions timer-start system provided hook available NFFS Supplies 12 Cook St Rowaytown CT 06853 directly RL Hatschek 316 Grosvenor St Douglastown NY 11363 $24 USA Canada $25 overseas Obviously dont have use Hatschek hook However performance will best full-function hook includes latch separate rudder positions straight tow circle tow zoom glide circle independently adjustable automatic timer start am aware commerciallyavailable tow hook provides functions also compact enough fit inside Circulator fuselage standard pin-type hook mount used see hook instructions works simply inserted through top fuselage /6-in music wire pins inserted through holes body secure system series holes allows hook shifted optimum tow position simple hatch cover can made piece A6 sq balsa profiled top match air foil inserted opening secured wing wires through tail boom original whats left over fiberglass fishing-rod blank after rest used A-2 boom Virtually anything similar would such fiberglass arrow shaft weight should exceed 12 grams lighter better Remaining details pretty straight forward shown either drawing photos Glider fliers also machinists may prefer alternate front end Actually machined version offers no performance advantages just produces individualistic model happen enjoy working metal all-wood version will probably lighter still necessary add seven grams ballast center gravity bring metal version up required 220 grams anyone adding weight model two-piece plug-in wing let suggest sheet brass sheet lead ribs slipped over wing wires original Circulator body started Continued page 160 MULTIPLEX DEALER INQUIRIES INVITED 2001 FM Norrowbond PCM ZZ. Exclusive MEMORY SOFT MODULE Flight Tested Since 1979 14 Ch ROYAL mc! 3370 N HAYDEN RD SUITE 123-234 SCOTTSDALE ARIZONA 85251 156 Model Aviation 5ACH537 wlmuffier 65 HP 5 lbs 15 Os 5ACH5DOLMAR 34 wmuffier 60 HP 5 lbs electric Ignltioni Prices include postage handling chsrgesi 8 pius tails 1zEzI THE RADIO CONTROL BUYERS GUIDE new 9th edition now local hobby shop contains thousands photos product descriptions radio control raft Cars s ems nes s Hardware Accessories s os RCBG single largest source infor mation RIO modeling available Whether youre advanced R/Cer eager novica RCBG will master reference So before plunk down hard earned cashLook Before Buy available locally may send $995 plus $175 shipping Radio Control Buyers -- Guide Dept 100 Clifton House Clifton VA 22024 sure indicate street address j I I II I I I I I I I I I 1/5 SCALE WINGSPAN 626 FASTAND SLEEK NE 40-45 FOAM CORE WING NELS 4-5 BALSA FUSELAGE IL $15995 Now Available Wherever RIC Models Sold. Write ST CROIX MODELS OX 279 FALLS WI 54552 NEW SPACE SAVING FUEL CONTAINER rituinYourges 2l/2s7318h1g1xtl/8 Tough 11gW PoIylhyIeue Includes AlITuhhg ph $120 postag Fasteners Loch Tuhieg Through Cap North Products PO Box 18419 Cleveland Heights OH 44118 Circulator/Hatschek Continued page 156 length 3A-in OD aluminum tubing wall thickness 055 carefully turned down 700 OD 030-in wall reduce weight re maining details should pretty obvious plan photos machinist AU assembly screws No 2-56 both flat head fillister head ex cept trim screw nose round head 8-32 thread holding brass nose weight fuselage tube 32 threads per inch OD approximately 670 removable housing hides machined parts consists 1/32 plywood sides 14-in-wide balsa blocks formers simply slips down over 1A-in -wide aluminum formers held place wing wires timer mounting screws Doublers used Flight trimming Start pleasurable task home first positioning tow hook indicated drawings adjusting ballast put center gravity 50% wing chord Dou ble check both simply hanging completely assembled model upside down its tow hook type loop string Circulator should dangle its fuselage 150 horizontal tail down inverted position course simplest accurate way check correct positioning tow hook angle much important distance CG its difficult check outdoors breeze Wing warps should also checked home Correct steaming necessary Both tip panels should have equal wash out about 14 left-circling Glider inboard panel right wing should flat inboard panel left wing should have about 14 washin right-circling Glider warps inboard panels should reversed should also have put rudder horn left side course incidence adjuster used right still shop check tow hook action clearances setting four rudder positions Mine 160 Model Aviation SCALE DOCUMENTATION WORLDS LARGEST COLLECTION Color POTOPAAKSKOKUFAN 3vews 30000InstOOk2000 20503e CATALOG SCALE MODEL RESEARCH Stsfactsn418k Ooesnfont t GuaranteedNewOorm eeaCh CairfoInrO 92651 Two TOP QUALITY Canard IJA 1/4 SUAL SPAN 485 ALL BALSA ENGINE 35-45 EASY TO BUILD NELS 4 AND FLY IL $12995 DIRECT BRITAINSPOPULARDIRECT ONLYMOSTHELICOPTER ONLY METAL GEARS MAIN ROTOR & TAIL FAN COOLING ALL MODELS WITH COLLECTIVE PITCH Hughes 300 28 -45 Motor pan 224s VISA_ MORLEY S/F LOW COST PARTS EASY TO BUILD ios COMPLETE WITH RETRACTS IN KIT MON 404 991-1995 9 AM 8 PM 634 ROY HUIE RD 18-A RIVERDALE GA 30274 follows straight-tow 2mm right circle-tow 6mm left zoom launch 3mm left glide circle 5mm left will probably prudent back off 2-3mm initial flights especially circle-tow glide field initial hand glides hook unlatched have glideturn setting should enable get stab setting fairly quickly start throwing Glider somewhat harder nose up slight left bank simulate zoom launch can tell quite lot make sure dethermalizer DT timer running Make first few trial tows hook unlatched until youre getting reasonably straight safe tows try few hook unlatch tension set about 2 lb will probably unlatch early progressively increase setting about ime youll need fish ermans spring scale original Circu lator uses unlatch setting 3 lb Please note personal preference lighter settings other Glider fliers play model like fish line avoid premature unlatch left-circling Circulator comes overhead fairly zippy tow tends turn slightly right due believe left-wing washin Increasing tow speed point slightly sooner unlatches hook gives slight left L&L MODEL PRODUCTSTA Introduces TH EIFIPIiI N N 6 SPORTSMAN SYSTEM Symmetrical Wing NOVICEWith Ailerons S Channel SimplicityAerobatic Maximum Stab ty Flat Bottom WingForgiving 7 L&L SPARLOCK PLUS ng Construction Wing Kit Updates ured Both K ts NOVICE 4 Channel55 Wing Span 29 40 Eng ne SPORTSMAN Are Ready L & L MODEL PRODUCTS DEALER & DISTRIBUTOR INQUIRIES IN VI TED7342 Appleridge Ct Cincinnati Ohio 45247 Phone 513/385-0912 rudder causing turn bank reverse glider banked slightly leftand fairly critical bit timing takes practice learnI release either letting go line plucking Releasing line gives better zoom plucking allows reel faster since dont have chase line first Additional Insights enjoyment literally competitive application circle towing can gleaned following sources Glider FlyingRussian Style Jim Wilson Model Aviation July 1978 Circle Game Gary T Medley Mode/Airplane News December 1980 January 1981 two parts Ten Years Hook Works Bob Hatschek NFFS Sympo Fourteen August 1981 New Home/Goodwin Continued page 82 substantial job City machinery work obtained could used needed elsewhere field put according AMA FLYING NEAR AIRPORTS BE CAREFUL PROTECT YOUR RIGHT TO FLY let roduclag. Ereb RIC Idle-Bar Glow Plugs Long Short Only $1 o Also Traditional line non-idle bar Glow Plugs Six Types 3 Heat Ranges High Performance Glow Element Blow Proof Seal Swanson Associates PO Box 151 Wayne NJ 07470 Only $129 S,ee 1948 162 Model Aviation Bell 47-G 48- 45 Motor pan 269 Send 200 full formation Pack Color Photos o Available AguSta 40-45Motorea opan 34995 Atom Back Approx Wt 1 75 oz Displacement 09 cu Bore- 5 Stroke 5 Piston- Steel Crank CaseMagnesium Alloy lOriginall Crankshaft BearingSilicon Bronze Cylinder Chromally Steel Approx RPM -12000 Iwith GreyCox7 x4 prop $ flfl95 Price guaranteed through 19851 FOB Los Angeles CA Add $2S0 shsppng per engine CA residents add 8% Sales Tax Order Direct See Local Hobby Store ATOM smallest ignition engines ever produced Designed R Arden further developments John Morrill simplex Engines Limited Production Run DelIvery 10- l2weeksARO F~Sho7 Write price listl MorriII-ADC PO Box 1210 Simi Valley CA 93602
Edition: Model Aviation - 1985/11
Page Numbers: 78, 79, 80, 81, 156, 160, 162
NO OCR TEXT wide trifle longer wing panel very light /32 sheet balsa Epoxy y-in-wide strip graphite laminate along edge 3/, x leading edge along other choice glues Make sure spacing accu rate Glue ribs panel ex cept two center W2 ribs Add trailing edge making sure prop erly blocked up its bottom surface aligns airfoil contour above drying make two stub spars including scrap balsa filler wedge goes below aluminum tube Notch tops necessary ribs stub spar epoxy place Add final W2 ribs two pieces point convenient join tip root panels proper dihe dial angle Just bevel leading trail ing edges join epoxy rein force A-in length graphite laminate Epoxy-glue remaining fillers webs latter A2 soft sheet exactly wide grain running ver tically Structural theory states stress shear web I-beam equal directions important Left tow model circling slack line Above Upper end streamer has iight wire rIng captured hooks atch fuii streamertralis out fiier knows sure hook has unlatched Set unlatch tension suit flying styie Left Bobs unusual stab hold-down has large loop dethermalizer lineworks smoothly eliminates conventional hooks several stabs can stacked togetherwithout puncturing another Right pigtail rudder horn andthe upperend ofthetorslon-bar rudder spring small screw left side rudder adjusting incidence Stab pops up angle 500 dethermalizlng November 1985 79 Author/designer Hatschekgives usaviewof machIned aluminum front end Thlsver sion slightly heavierthan built-up Bob allows model circle line both types required ballastto bring Thatjungle off runwayiswhyhewears up weight required A-i rules WW li-type legglns Galeville NY site Left Machined front end provides clean installation modified KSB timer Hatschek circle-tow hook Right Once optimum hook position has estabiished theres no further need remove piy/baisa housing fieid Wing rod puiis out compact packaging Note washin adjusteron ieft wing oniy left-turning model Tow hook avaliabie NFFS Supplies author seetextfor nose pictures snow tne working innaras Trom both siaes washin adjuster requirsa am n very convenient ulatscneK says Left Partially disassembled front end tow hook shown iatched position Right Completely disassembled tow hook unlatched position hook latched position line wire arm thats screwed iatch pulls timer lever off unlatched reixed line ailowathe internal spring switch timer Automatic timer-start eliminates need fora pullpin start allows modeito released merely releasing towilne iong asthe streamershowsthatthe hook unlatched advantage altitude gained zoom launch its easy see author used model try out ideas A-2 Gliders thing structure effectively pre vent possibility upper flange bending thorough epoxy top graphite spar can now added followed beveling off leading edge adding top sheet complete D-box Alternately graphite can epoxied top sheet can added unit using epoxy web least Cover bottom central area shown plans A2 sheet graphite strip has epoxied dry insert first-bay filler short length /32 aluminum tube has bound glued both wing wires tubes align care fully apply epoxy set filler rear tube Add remaining fillers top center-section sheeting Other details wing construction relatively straightforward should present no difficulties covering Japanese tissue five six coats thinned nitrate dope Stabilizer Building tail simple adequately detailed drawing have using structural design 30 years recommend highly Its reasonably light sufficiently strong quite resistant warps cover ing again Japanese tissue on80 Model Aviation Full-Size Plans Available. See Page 172 TLBE WO FILL BETWEEN ISO jW2 j 7FILL BELLEL HV STUB SPAR STUB SPAS ENDS HERE 6*5 HARD T E LEFT WING SOB 1/2 GWAPIITE FIBER LAMIN~E TSP & BOTI IIIIIIII I32 BALSA WEB VERT GRAIN FROB HERE TO TIP IIIIII I/IS GUSSETS W3W3 ALL RIBS 1/6 MED BALSA UNLESS NOTED 53W3AS U3IU 17 MED HARO BALSA TURE/LATOR R FT SAL ILJY _________ COVERING TOP U BOY RIGHT WING p STUB SPWE TAPER FROM I/BSO SPRUCE LS BALSA FILL1/6 05 ALAM TUBE BAD WITS THREAD & EPEBIS TO STUB SPAR DIHEDRAL DETAL3-14 NOT TO SCALE2 I BA 1/16 SHEET AT 3d ANGLELS1/32 7SOuGUSSETS BOY SLBFACEI SISOSZSOSOSO U11 \ II ALL DTHERS/32\\// STABILIZER 6RB\//B I/B IIB PLY DOUBLER RIGI-IT SIDE1/32 PLY D/T 005012 STRW4IED CABLE 3/32 WIRE 5 1/S PLY DOUBLER ILEFTI 1716 PARE H 2I/S 2 PLY SIDES BOTI- I/Sd PLYNOTE BALANCE WITS CU AT SAX1/32 PLY SADDLE ITO TOWICOK IU BALSA FAIRING BLOCK S/T LINE ENTERS HERE -- DOUBLERFIBEROLASS BOOM ZFI/2 LONG TAPERS FROM S/B TO S/AL APPROIL S GRAMS 4ALAST ACCE~ THROUGH TIMER CUTOUT flYSS TIMES SI-OAF 3/S,I/2 BALSA CIRCULATOR A-I TOWLINEK PROJECTED ISNOSHMI 51 HOlES 027 SO IN STABILIZER SPAN IS-3/S UREA ASSO IN TOTAL UREA 275 SO IN WEGHT 221 GRAMS DESONED 6 DRAWN BY BOB SATSCHES LHATSCSEK CIRCLE-TOW HOOKREMOFABLE HOUSINGINCIDENCE ADJUSTMENT WITH TIMES-START FUNCTONBAUSS 42 USAMS3/B WIEWO OF CC NYS-O SCHEW-STRWGRT-TCBK MODE\RUATS7/ -- I D/T LINE ENTERS YOU OD LANK LEE 0AA0-SA FLAT-HEAD SCREW 00 3/6BA SHOALTERNATE FRONT END MACHINEG I/BODS I/A LOMG ALUM TUBE I/B SOFT BALSA\, -CLOTS BAIflOO SKIDUHINGES I2325B ly four coats dope final weight original six grams Fuselage Two designs presented plan conventional plywoodand-balsa box fiberglass boom other assembled primarily machined aluminum components pro- cut 1/32 plywood internal totype Circulator shown photos doublers added box assembled uses machined aluminum front end 1A-in-wide top bottom blocks Glider fliers machining three formers indicated plan facilities conventional box recoin- added bottom block grooved mended structural concepts rear accept tail boom conventional body adapted earli- epoxied place er A-i design well proven reason left-side doubler made aerodynamic layout two plywood provide adequate clearversions identical ance space operation automatic conventional body simple timer-start lever Hatschek tow barely requires description sides are Continued page 156 Left wing-wash adjuster has crossed brass tubes sliver-soldered together OBO screw pull down against coil spring adjustment Right Modifications KSB timer include new faceplate new tImer-start lever spring-loaded short winding barsoldered groove acrossthe disk retainIng nut Mods allow internal mounting leaving disk flush fuselage side November 1985 81 I/BA 52SIPLY- DOWj 32Th FL Y ME WINDSOCK Wind Direction Anytime Anywhere Attaches antenna mast clips clips included Available frequency colors Give frequency number order 65 Foreign orders add S&H $150 calif Residents add 6% tax Product Brochure Free order Jeffla Products PO Box 484 Lake Elslnoro CA 92330 714 674-1151 engines engineered meet demands discriminating modeler backed service match fraction scoring rule dictates Indoor Nats rousing success clean site good weather led long flights contest administration Homer Smith Sandy Murry Frank Linda Brown ran flawlessly considerably con testants year 1983the word got out hangar excellent site Everyone looks forward another Nats sometime future Circulator/Hatschek Continued page 81 hook Instructions timer-start system provided hook available NFFS Supplies 12 Cook St Rowaytown CT 06853 directly RL Hatschek 316 Grosvenor St Douglastown NY 11363 $24 USA Canada $25 overseas Obviously dont have use Hatschek hook However performance will best full-function hook includes latch separate rudder positions straight tow circle tow zoom glide circle independently adjustable automatic timer start am aware commerciallyavailable tow hook provides functions also compact enough fit inside Circulator fuselage standard pin-type hook mount used see hook instructions works simply inserted through top fuselage /6-in music wire pins inserted through holes body secure system series holes allows hook shifted optimum tow position simple hatch cover can made piece A6 sq balsa profiled top match air foil inserted opening secured wing wires through tail boom original whats left over fiberglass fishing-rod blank after rest used A-2 boom Virtually anything similar would such fiberglass arrow shaft weight should exceed 12 grams lighter better Remaining details pretty straight forward shown either drawing photos Glider fliers also machinists may prefer alternate front end Actually machined version offers no performance advantages just produces individualistic model happen enjoy working metal all-wood version will probably lighter still necessary add seven grams ballast center gravity bring metal version up required 220 grams anyone adding weight model two-piece plug-in wing let suggest sheet brass sheet lead ribs slipped over wing wires original Circulator body started Continued page 160 MULTIPLEX DEALER INQUIRIES INVITED 2001 FM Norrowbond PCM ZZ. Exclusive MEMORY SOFT MODULE Flight Tested Since 1979 14 Ch ROYAL mc! 3370 N HAYDEN RD SUITE 123-234 SCOTTSDALE ARIZONA 85251 156 Model Aviation 5ACH537 wlmuffier 65 HP 5 lbs 15 Os 5ACH5DOLMAR 34 wmuffier 60 HP 5 lbs electric Ignltioni Prices include postage handling chsrgesi 8 pius tails 1zEzI THE RADIO CONTROL BUYERS GUIDE new 9th edition now local hobby shop contains thousands photos product descriptions radio control raft Cars s ems nes s Hardware Accessories s os RCBG single largest source infor mation RIO modeling available Whether youre advanced R/Cer eager novica RCBG will master reference So before plunk down hard earned cashLook Before Buy available locally may send $995 plus $175 shipping Radio Control Buyers -- Guide Dept 100 Clifton House Clifton VA 22024 sure indicate street address j I I II I I I I I I I I I 1/5 SCALE WINGSPAN 626 FASTAND SLEEK NE 40-45 FOAM CORE WING NELS 4-5 BALSA FUSELAGE IL $15995 Now Available Wherever RIC Models Sold. Write ST CROIX MODELS OX 279 FALLS WI 54552 NEW SPACE SAVING FUEL CONTAINER rituinYourges 2l/2s7318h1g1xtl/8 Tough 11gW PoIylhyIeue Includes AlITuhhg ph $120 postag Fasteners Loch Tuhieg Through Cap North Products PO Box 18419 Cleveland Heights OH 44118 Circulator/Hatschek Continued page 156 length 3A-in OD aluminum tubing wall thickness 055 carefully turned down 700 OD 030-in wall reduce weight re maining details should pretty obvious plan photos machinist AU assembly screws No 2-56 both flat head fillister head ex cept trim screw nose round head 8-32 thread holding brass nose weight fuselage tube 32 threads per inch OD approximately 670 removable housing hides machined parts consists 1/32 plywood sides 14-in-wide balsa blocks formers simply slips down over 1A-in -wide aluminum formers held place wing wires timer mounting screws Doublers used Flight trimming Start pleasurable task home first positioning tow hook indicated drawings adjusting ballast put center gravity 50% wing chord Dou ble check both simply hanging completely assembled model upside down its tow hook type loop string Circulator should dangle its fuselage 150 horizontal tail down inverted position course simplest accurate way check correct positioning tow hook angle much important distance CG its difficult check outdoors breeze Wing warps should also checked home Correct steaming necessary Both tip panels should have equal wash out about 14 left-circling Glider inboard panel right wing should flat inboard panel left wing should have about 14 washin right-circling Glider warps inboard panels should reversed should also have put rudder horn left side course incidence adjuster used right still shop check tow hook action clearances setting four rudder positions Mine 160 Model Aviation SCALE DOCUMENTATION WORLDS LARGEST COLLECTION Color POTOPAAKSKOKUFAN 3vews 30000InstOOk2000 20503e CATALOG SCALE MODEL RESEARCH Stsfactsn418k Ooesnfont t GuaranteedNewOorm eeaCh CairfoInrO 92651 Two TOP QUALITY Canard IJA 1/4 SUAL SPAN 485 ALL BALSA ENGINE 35-45 EASY TO BUILD NELS 4 AND FLY IL $12995 DIRECT BRITAINSPOPULARDIRECT ONLYMOSTHELICOPTER ONLY METAL GEARS MAIN ROTOR & TAIL FAN COOLING ALL MODELS WITH COLLECTIVE PITCH Hughes 300 28 -45 Motor pan 224s VISA_ MORLEY S/F LOW COST PARTS EASY TO BUILD ios COMPLETE WITH RETRACTS IN KIT MON 404 991-1995 9 AM 8 PM 634 ROY HUIE RD 18-A RIVERDALE GA 30274 follows straight-tow 2mm right circle-tow 6mm left zoom launch 3mm left glide circle 5mm left will probably prudent back off 2-3mm initial flights especially circle-tow glide field initial hand glides hook unlatched have glideturn setting should enable get stab setting fairly quickly start throwing Glider somewhat harder nose up slight left bank simulate zoom launch can tell quite lot make sure dethermalizer DT timer running Make first few trial tows hook unlatched until youre getting reasonably straight safe tows try few hook unlatch tension set about 2 lb will probably unlatch early progressively increase setting about ime youll need fish ermans spring scale original Circu lator uses unlatch setting 3 lb Please note personal preference lighter settings other Glider fliers play model like fish line avoid premature unlatch left-circling Circulator comes overhead fairly zippy tow tends turn slightly right due believe left-wing washin Increasing tow speed point slightly sooner unlatches hook gives slight left L&L MODEL PRODUCTSTA Introduces TH EIFIPIiI N N 6 SPORTSMAN SYSTEM Symmetrical Wing NOVICEWith Ailerons S Channel SimplicityAerobatic Maximum Stab ty Flat Bottom WingForgiving 7 L&L SPARLOCK PLUS ng Construction Wing Kit Updates ured Both K ts NOVICE 4 Channel55 Wing Span 29 40 Eng ne SPORTSMAN Are Ready L & L MODEL PRODUCTS DEALER & DISTRIBUTOR INQUIRIES IN VI TED7342 Appleridge Ct Cincinnati Ohio 45247 Phone 513/385-0912 rudder causing turn bank reverse glider banked slightly leftand fairly critical bit timing takes practice learnI release either letting go line plucking Releasing line gives better zoom plucking allows reel faster since dont have chase line first Additional Insights enjoyment literally competitive application circle towing can gleaned following sources Glider FlyingRussian Style Jim Wilson Model Aviation July 1978 Circle Game Gary T Medley Mode/Airplane News December 1980 January 1981 two parts Ten Years Hook Works Bob Hatschek NFFS Sympo Fourteen August 1981 New Home/Goodwin Continued page 82 substantial job City machinery work obtained could used needed elsewhere field put according AMA FLYING NEAR AIRPORTS BE CAREFUL PROTECT YOUR RIGHT TO FLY let roduclag. Ereb RIC Idle-Bar Glow Plugs Long Short Only $1 o Also Traditional line non-idle bar Glow Plugs Six Types 3 Heat Ranges High Performance Glow Element Blow Proof Seal Swanson Associates PO Box 151 Wayne NJ 07470 Only $129 S,ee 1948 162 Model Aviation Bell 47-G 48- 45 Motor pan 269 Send 200 full formation Pack Color Photos o Available AguSta 40-45Motorea opan 34995 Atom Back Approx Wt 1 75 oz Displacement 09 cu Bore- 5 Stroke 5 Piston- Steel Crank CaseMagnesium Alloy lOriginall Crankshaft BearingSilicon Bronze Cylinder Chromally Steel Approx RPM -12000 Iwith GreyCox7 x4 prop $ flfl95 Price guaranteed through 19851 FOB Los Angeles CA Add $2S0 shsppng per engine CA residents add 8% Sales Tax Order Direct See Local Hobby Store ATOM smallest ignition engines ever produced Designed R Arden further developments John Morrill simplex Engines Limited Production Run DelIvery 10- l2weeksARO F~Sho7 Write price listl MorriII-ADC PO Box 1210 Simi Valley CA 93602
Edition: Model Aviation - 1985/11
Page Numbers: 78, 79, 80, 81, 156, 160, 162
NO OCR TEXT wide trifle longer wing panel very light /32 sheet balsa Epoxy y-in-wide strip graphite laminate along edge 3/, x leading edge along other choice glues Make sure spacing accu rate Glue ribs panel ex cept two center W2 ribs Add trailing edge making sure prop erly blocked up its bottom surface aligns airfoil contour above drying make two stub spars including scrap balsa filler wedge goes below aluminum tube Notch tops necessary ribs stub spar epoxy place Add final W2 ribs two pieces point convenient join tip root panels proper dihe dial angle Just bevel leading trail ing edges join epoxy rein force A-in length graphite laminate Epoxy-glue remaining fillers webs latter A2 soft sheet exactly wide grain running ver tically Structural theory states stress shear web I-beam equal directions important Left tow model circling slack line Above Upper end streamer has iight wire rIng captured hooks atch fuii streamertralis out fiier knows sure hook has unlatched Set unlatch tension suit flying styie Left Bobs unusual stab hold-down has large loop dethermalizer lineworks smoothly eliminates conventional hooks several stabs can stacked togetherwithout puncturing another Right pigtail rudder horn andthe upperend ofthetorslon-bar rudder spring small screw left side rudder adjusting incidence Stab pops up angle 500 dethermalizlng November 1985 79 Author/designer Hatschekgives usaviewof machIned aluminum front end Thlsver sion slightly heavierthan built-up Bob allows model circle line both types required ballastto bring Thatjungle off runwayiswhyhewears up weight required A-i rules WW li-type legglns Galeville NY site Left Machined front end provides clean installation modified KSB timer Hatschek circle-tow hook Right Once optimum hook position has estabiished theres no further need remove piy/baisa housing fieid Wing rod puiis out compact packaging Note washin adjusteron ieft wing oniy left-turning model Tow hook avaliabie NFFS Supplies author seetextfor nose pictures snow tne working innaras Trom both siaes washin adjuster requirsa am n very convenient ulatscneK says Left Partially disassembled front end tow hook shown iatched position Right Completely disassembled tow hook unlatched position hook latched position line wire arm thats screwed iatch pulls timer lever off unlatched reixed line ailowathe internal spring switch timer Automatic timer-start eliminates need fora pullpin start allows modeito released merely releasing towilne iong asthe streamershowsthatthe hook unlatched advantage altitude gained zoom launch its easy see author used model try out ideas A-2 Gliders thing structure effectively pre vent possibility upper flange bending thorough epoxy top graphite spar can now added followed beveling off leading edge adding top sheet complete D-box Alternately graphite can epoxied top sheet can added unit using epoxy web least Cover bottom central area shown plans A2 sheet graphite strip has epoxied dry insert first-bay filler short length /32 aluminum tube has bound glued both wing wires tubes align care fully apply epoxy set filler rear tube Add remaining fillers top center-section sheeting Other details wing construction relatively straightforward should present no difficulties covering Japanese tissue five six coats thinned nitrate dope Stabilizer Building tail simple adequately detailed drawing have using structural design 30 years recommend highly Its reasonably light sufficiently strong quite resistant warps cover ing again Japanese tissue on80 Model Aviation Full-Size Plans Available. See Page 172 TLBE WO FILL BETWEEN ISO jW2 j 7FILL BELLEL HV STUB SPAR STUB SPAS ENDS HERE 6*5 HARD T E LEFT WING SOB 1/2 GWAPIITE FIBER LAMIN~E TSP & BOTI IIIIIIII I32 BALSA WEB VERT GRAIN FROB HERE TO TIP IIIIII I/IS GUSSETS W3W3 ALL RIBS 1/6 MED BALSA UNLESS NOTED 53W3AS U3IU 17 MED HARO BALSA TURE/LATOR R FT SAL ILJY _________ COVERING TOP U BOY RIGHT WING p STUB SPWE TAPER FROM I/BSO SPRUCE LS BALSA FILL1/6 05 ALAM TUBE BAD WITS THREAD & EPEBIS TO STUB SPAR DIHEDRAL DETAL3-14 NOT TO SCALE2 I BA 1/16 SHEET AT 3d ANGLELS1/32 7SOuGUSSETS BOY SLBFACEI SISOSZSOSOSO U11 \ II ALL DTHERS/32\\// STABILIZER 6RB\//B I/B IIB PLY DOUBLER RIGI-IT SIDE1/32 PLY D/T 005012 STRW4IED CABLE 3/32 WIRE 5 1/S PLY DOUBLER ILEFTI 1716 PARE H 2I/S 2 PLY SIDES BOTI- I/Sd PLYNOTE BALANCE WITS CU AT SAX1/32 PLY SADDLE ITO TOWICOK IU BALSA FAIRING BLOCK S/T LINE ENTERS HERE -- DOUBLERFIBEROLASS BOOM ZFI/2 LONG TAPERS FROM S/B TO S/AL APPROIL S GRAMS 4ALAST ACCE~ THROUGH TIMER CUTOUT flYSS TIMES SI-OAF 3/S,I/2 BALSA CIRCULATOR A-I TOWLINEK PROJECTED ISNOSHMI 51 HOlES 027 SO IN STABILIZER SPAN IS-3/S UREA ASSO IN TOTAL UREA 275 SO IN WEGHT 221 GRAMS DESONED 6 DRAWN BY BOB SATSCHES LHATSCSEK CIRCLE-TOW HOOKREMOFABLE HOUSINGINCIDENCE ADJUSTMENT WITH TIMES-START FUNCTONBAUSS 42 USAMS3/B WIEWO OF CC NYS-O SCHEW-STRWGRT-TCBK MODE\RUATS7/ -- I D/T LINE ENTERS YOU OD LANK LEE 0AA0-SA FLAT-HEAD SCREW 00 3/6BA SHOALTERNATE FRONT END MACHINEG I/BODS I/A LOMG ALUM TUBE I/B SOFT BALSA\, -CLOTS BAIflOO SKIDUHINGES I2325B ly four coats dope final weight original six grams Fuselage Two designs presented plan conventional plywoodand-balsa box fiberglass boom other assembled primarily machined aluminum components pro- cut 1/32 plywood internal totype Circulator shown photos doublers added box assembled uses machined aluminum front end 1A-in-wide top bottom blocks Glider fliers machining three formers indicated plan facilities conventional box recoin- added bottom block grooved mended structural concepts rear accept tail boom conventional body adapted earli- epoxied place er A-i design well proven reason left-side doubler made aerodynamic layout two plywood provide adequate clearversions identical ance space operation automatic conventional body simple timer-start lever Hatschek tow barely requires description sides are Continued page 156 Left wing-wash adjuster has crossed brass tubes sliver-soldered together OBO screw pull down against coil spring adjustment Right Modifications KSB timer include new faceplate new tImer-start lever spring-loaded short winding barsoldered groove acrossthe disk retainIng nut Mods allow internal mounting leaving disk flush fuselage side November 1985 81 I/BA 52SIPLY- DOWj 32Th FL Y ME WINDSOCK Wind Direction Anytime Anywhere Attaches antenna mast clips clips included Available frequency colors Give frequency number order 65 Foreign orders add S&H $150 calif Residents add 6% tax Product Brochure Free order Jeffla Products PO Box 484 Lake Elslnoro CA 92330 714 674-1151 engines engineered meet demands discriminating modeler backed service match fraction scoring rule dictates Indoor Nats rousing success clean site good weather led long flights contest administration Homer Smith Sandy Murry Frank Linda Brown ran flawlessly considerably con testants year 1983the word got out hangar excellent site Everyone looks forward another Nats sometime future Circulator/Hatschek Continued page 81 hook Instructions timer-start system provided hook available NFFS Supplies 12 Cook St Rowaytown CT 06853 directly RL Hatschek 316 Grosvenor St Douglastown NY 11363 $24 USA Canada $25 overseas Obviously dont have use Hatschek hook However performance will best full-function hook includes latch separate rudder positions straight tow circle tow zoom glide circle independently adjustable automatic timer start am aware commerciallyavailable tow hook provides functions also compact enough fit inside Circulator fuselage standard pin-type hook mount used see hook instructions works simply inserted through top fuselage /6-in music wire pins inserted through holes body secure system series holes allows hook shifted optimum tow position simple hatch cover can made piece A6 sq balsa profiled top match air foil inserted opening secured wing wires through tail boom original whats left over fiberglass fishing-rod blank after rest used A-2 boom Virtually anything similar would such fiberglass arrow shaft weight should exceed 12 grams lighter better Remaining details pretty straight forward shown either drawing photos Glider fliers also machinists may prefer alternate front end Actually machined version offers no performance advantages just produces individualistic model happen enjoy working metal all-wood version will probably lighter still necessary add seven grams ballast center gravity bring metal version up required 220 grams anyone adding weight model two-piece plug-in wing let suggest sheet brass sheet lead ribs slipped over wing wires original Circulator body started Continued page 160 MULTIPLEX DEALER INQUIRIES INVITED 2001 FM Norrowbond PCM ZZ. Exclusive MEMORY SOFT MODULE Flight Tested Since 1979 14 Ch ROYAL mc! 3370 N HAYDEN RD SUITE 123-234 SCOTTSDALE ARIZONA 85251 156 Model Aviation 5ACH537 wlmuffier 65 HP 5 lbs 15 Os 5ACH5DOLMAR 34 wmuffier 60 HP 5 lbs electric Ignltioni Prices include postage handling chsrgesi 8 pius tails 1zEzI THE RADIO CONTROL BUYERS GUIDE new 9th edition now local hobby shop contains thousands photos product descriptions radio control raft Cars s ems nes s Hardware Accessories s os RCBG single largest source infor mation RIO modeling available Whether youre advanced R/Cer eager novica RCBG will master reference So before plunk down hard earned cashLook Before Buy available locally may send $995 plus $175 shipping Radio Control Buyers -- Guide Dept 100 Clifton House Clifton VA 22024 sure indicate street address j I I II I I I I I I I I I 1/5 SCALE WINGSPAN 626 FASTAND SLEEK NE 40-45 FOAM CORE WING NELS 4-5 BALSA FUSELAGE IL $15995 Now Available Wherever RIC Models Sold. Write ST CROIX MODELS OX 279 FALLS WI 54552 NEW SPACE SAVING FUEL CONTAINER rituinYourges 2l/2s7318h1g1xtl/8 Tough 11gW PoIylhyIeue Includes AlITuhhg ph $120 postag Fasteners Loch Tuhieg Through Cap North Products PO Box 18419 Cleveland Heights OH 44118 Circulator/Hatschek Continued page 156 length 3A-in OD aluminum tubing wall thickness 055 carefully turned down 700 OD 030-in wall reduce weight re maining details should pretty obvious plan photos machinist AU assembly screws No 2-56 both flat head fillister head ex cept trim screw nose round head 8-32 thread holding brass nose weight fuselage tube 32 threads per inch OD approximately 670 removable housing hides machined parts consists 1/32 plywood sides 14-in-wide balsa blocks formers simply slips down over 1A-in -wide aluminum formers held place wing wires timer mounting screws Doublers used Flight trimming Start pleasurable task home first positioning tow hook indicated drawings adjusting ballast put center gravity 50% wing chord Dou ble check both simply hanging completely assembled model upside down its tow hook type loop string Circulator should dangle its fuselage 150 horizontal tail down inverted position course simplest accurate way check correct positioning tow hook angle much important distance CG its difficult check outdoors breeze Wing warps should also checked home Correct steaming necessary Both tip panels should have equal wash out about 14 left-circling Glider inboard panel right wing should flat inboard panel left wing should have about 14 washin right-circling Glider warps inboard panels should reversed should also have put rudder horn left side course incidence adjuster used right still shop check tow hook action clearances setting four rudder positions Mine 160 Model Aviation SCALE DOCUMENTATION WORLDS LARGEST COLLECTION Color POTOPAAKSKOKUFAN 3vews 30000InstOOk2000 20503e CATALOG SCALE MODEL RESEARCH Stsfactsn418k Ooesnfont t GuaranteedNewOorm eeaCh CairfoInrO 92651 Two TOP QUALITY Canard IJA 1/4 SUAL SPAN 485 ALL BALSA ENGINE 35-45 EASY TO BUILD NELS 4 AND FLY IL $12995 DIRECT BRITAINSPOPULARDIRECT ONLYMOSTHELICOPTER ONLY METAL GEARS MAIN ROTOR & TAIL FAN COOLING ALL MODELS WITH COLLECTIVE PITCH Hughes 300 28 -45 Motor pan 224s VISA_ MORLEY S/F LOW COST PARTS EASY TO BUILD ios COMPLETE WITH RETRACTS IN KIT MON 404 991-1995 9 AM 8 PM 634 ROY HUIE RD 18-A RIVERDALE GA 30274 follows straight-tow 2mm right circle-tow 6mm left zoom launch 3mm left glide circle 5mm left will probably prudent back off 2-3mm initial flights especially circle-tow glide field initial hand glides hook unlatched have glideturn setting should enable get stab setting fairly quickly start throwing Glider somewhat harder nose up slight left bank simulate zoom launch can tell quite lot make sure dethermalizer DT timer running Make first few trial tows hook unlatched until youre getting reasonably straight safe tows try few hook unlatch tension set about 2 lb will probably unlatch early progressively increase setting about ime youll need fish ermans spring scale original Circu lator uses unlatch setting 3 lb Please note personal preference lighter settings other Glider fliers play model like fish line avoid premature unlatch left-circling Circulator comes overhead fairly zippy tow tends turn slightly right due believe left-wing washin Increasing tow speed point slightly sooner unlatches hook gives slight left L&L MODEL PRODUCTSTA Introduces TH EIFIPIiI N N 6 SPORTSMAN SYSTEM Symmetrical Wing NOVICEWith Ailerons S Channel SimplicityAerobatic Maximum Stab ty Flat Bottom WingForgiving 7 L&L SPARLOCK PLUS ng Construction Wing Kit Updates ured Both K ts NOVICE 4 Channel55 Wing Span 29 40 Eng ne SPORTSMAN Are Ready L & L MODEL PRODUCTS DEALER & DISTRIBUTOR INQUIRIES IN VI TED7342 Appleridge Ct Cincinnati Ohio 45247 Phone 513/385-0912 rudder causing turn bank reverse glider banked slightly leftand fairly critical bit timing takes practice learnI release either letting go line plucking Releasing line gives better zoom plucking allows reel faster since dont have chase line first Additional Insights enjoyment literally competitive application circle towing can gleaned following sources Glider FlyingRussian Style Jim Wilson Model Aviation July 1978 Circle Game Gary T Medley Mode/Airplane News December 1980 January 1981 two parts Ten Years Hook Works Bob Hatschek NFFS Sympo Fourteen August 1981 New Home/Goodwin Continued page 82 substantial job City machinery work obtained could used needed elsewhere field put according AMA FLYING NEAR AIRPORTS BE CAREFUL PROTECT YOUR RIGHT TO FLY let roduclag. Ereb RIC Idle-Bar Glow Plugs Long Short Only $1 o Also Traditional line non-idle bar Glow Plugs Six Types 3 Heat Ranges High Performance Glow Element Blow Proof Seal Swanson Associates PO Box 151 Wayne NJ 07470 Only $129 S,ee 1948 162 Model Aviation Bell 47-G 48- 45 Motor pan 269 Send 200 full formation Pack Color Photos o Available AguSta 40-45Motorea opan 34995 Atom Back Approx Wt 1 75 oz Displacement 09 cu Bore- 5 Stroke 5 Piston- Steel Crank CaseMagnesium Alloy lOriginall Crankshaft BearingSilicon Bronze Cylinder Chromally Steel Approx RPM -12000 Iwith GreyCox7 x4 prop $ flfl95 Price guaranteed through 19851 FOB Los Angeles CA Add $2S0 shsppng per engine CA residents add 8% Sales Tax Order Direct See Local Hobby Store ATOM smallest ignition engines ever produced Designed R Arden further developments John Morrill simplex Engines Limited Production Run DelIvery 10- l2weeksARO F~Sho7 Write price listl MorriII-ADC PO Box 1210 Simi Valley CA 93602
Edition: Model Aviation - 1985/11
Page Numbers: 78, 79, 80, 81, 156, 160, 162
NO OCR TEXT wide trifle longer wing panel very light /32 sheet balsa Epoxy y-in-wide strip graphite laminate along edge 3/, x leading edge along other choice glues Make sure spacing accu rate Glue ribs panel ex cept two center W2 ribs Add trailing edge making sure prop erly blocked up its bottom surface aligns airfoil contour above drying make two stub spars including scrap balsa filler wedge goes below aluminum tube Notch tops necessary ribs stub spar epoxy place Add final W2 ribs two pieces point convenient join tip root panels proper dihe dial angle Just bevel leading trail ing edges join epoxy rein force A-in length graphite laminate Epoxy-glue remaining fillers webs latter A2 soft sheet exactly wide grain running ver tically Structural theory states stress shear web I-beam equal directions important Left tow model circling slack line Above Upper end streamer has iight wire rIng captured hooks atch fuii streamertralis out fiier knows sure hook has unlatched Set unlatch tension suit flying styie Left Bobs unusual stab hold-down has large loop dethermalizer lineworks smoothly eliminates conventional hooks several stabs can stacked togetherwithout puncturing another Right pigtail rudder horn andthe upperend ofthetorslon-bar rudder spring small screw left side rudder adjusting incidence Stab pops up angle 500 dethermalizlng November 1985 79 Author/designer Hatschekgives usaviewof machIned aluminum front end Thlsver sion slightly heavierthan built-up Bob allows model circle line both types required ballastto bring Thatjungle off runwayiswhyhewears up weight required A-i rules WW li-type legglns Galeville NY site Left Machined front end provides clean installation modified KSB timer Hatschek circle-tow hook Right Once optimum hook position has estabiished theres no further need remove piy/baisa housing fieid Wing rod puiis out compact packaging Note washin adjusteron ieft wing oniy left-turning model Tow hook avaliabie NFFS Supplies author seetextfor nose pictures snow tne working innaras Trom both siaes washin adjuster requirsa am n very convenient ulatscneK says Left Partially disassembled front end tow hook shown iatched position Right Completely disassembled tow hook unlatched position hook latched position line wire arm thats screwed iatch pulls timer lever off unlatched reixed line ailowathe internal spring switch timer Automatic timer-start eliminates need fora pullpin start allows modeito released merely releasing towilne iong asthe streamershowsthatthe hook unlatched advantage altitude gained zoom launch its easy see author used model try out ideas A-2 Gliders thing structure effectively pre vent possibility upper flange bending thorough epoxy top graphite spar can now added followed beveling off leading edge adding top sheet complete D-box Alternately graphite can epoxied top sheet can added unit using epoxy web least Cover bottom central area shown plans A2 sheet graphite strip has epoxied dry insert first-bay filler short length /32 aluminum tube has bound glued both wing wires tubes align care fully apply epoxy set filler rear tube Add remaining fillers top center-section sheeting Other details wing construction relatively straightforward should present no difficulties covering Japanese tissue five six coats thinned nitrate dope Stabilizer Building tail simple adequately detailed drawing have using structural design 30 years recommend highly Its reasonably light sufficiently strong quite resistant warps cover ing again Japanese tissue on80 Model Aviation Full-Size Plans Available. See Page 172 TLBE WO FILL BETWEEN ISO jW2 j 7FILL BELLEL HV STUB SPAR STUB SPAS ENDS HERE 6*5 HARD T E LEFT WING SOB 1/2 GWAPIITE FIBER LAMIN~E TSP & BOTI IIIIIIII I32 BALSA WEB VERT GRAIN FROB HERE TO TIP IIIIII I/IS GUSSETS W3W3 ALL RIBS 1/6 MED BALSA UNLESS NOTED 53W3AS U3IU 17 MED HARO BALSA TURE/LATOR R FT SAL ILJY _________ COVERING TOP U BOY RIGHT WING p STUB SPWE TAPER FROM I/BSO SPRUCE LS BALSA FILL1/6 05 ALAM TUBE BAD WITS THREAD & EPEBIS TO STUB SPAR DIHEDRAL DETAL3-14 NOT TO SCALE2 I BA 1/16 SHEET AT 3d ANGLELS1/32 7SOuGUSSETS BOY SLBFACEI SISOSZSOSOSO U11 \ II ALL DTHERS/32\\// STABILIZER 6RB\//B I/B IIB PLY DOUBLER RIGI-IT SIDE1/32 PLY D/T 005012 STRW4IED CABLE 3/32 WIRE 5 1/S PLY DOUBLER ILEFTI 1716 PARE H 2I/S 2 PLY SIDES BOTI- I/Sd PLYNOTE BALANCE WITS CU AT SAX1/32 PLY SADDLE ITO TOWICOK IU BALSA FAIRING BLOCK S/T LINE ENTERS HERE -- DOUBLERFIBEROLASS BOOM ZFI/2 LONG TAPERS FROM S/B TO S/AL APPROIL S GRAMS 4ALAST ACCE~ THROUGH TIMER CUTOUT flYSS TIMES SI-OAF 3/S,I/2 BALSA CIRCULATOR A-I TOWLINEK PROJECTED ISNOSHMI 51 HOlES 027 SO IN STABILIZER SPAN IS-3/S UREA ASSO IN TOTAL UREA 275 SO IN WEGHT 221 GRAMS DESONED 6 DRAWN BY BOB SATSCHES LHATSCSEK CIRCLE-TOW HOOKREMOFABLE HOUSINGINCIDENCE ADJUSTMENT WITH TIMES-START FUNCTONBAUSS 42 USAMS3/B WIEWO OF CC NYS-O SCHEW-STRWGRT-TCBK MODE\RUATS7/ -- I D/T LINE ENTERS YOU OD LANK LEE 0AA0-SA FLAT-HEAD SCREW 00 3/6BA SHOALTERNATE FRONT END MACHINEG I/BODS I/A LOMG ALUM TUBE I/B SOFT BALSA\, -CLOTS BAIflOO SKIDUHINGES I2325B ly four coats dope final weight original six grams Fuselage Two designs presented plan conventional plywoodand-balsa box fiberglass boom other assembled primarily machined aluminum components pro- cut 1/32 plywood internal totype Circulator shown photos doublers added box assembled uses machined aluminum front end 1A-in-wide top bottom blocks Glider fliers machining three formers indicated plan facilities conventional box recoin- added bottom block grooved mended structural concepts rear accept tail boom conventional body adapted earli- epoxied place er A-i design well proven reason left-side doubler made aerodynamic layout two plywood provide adequate clearversions identical ance space operation automatic conventional body simple timer-start lever Hatschek tow barely requires description sides are Continued page 156 Left wing-wash adjuster has crossed brass tubes sliver-soldered together OBO screw pull down against coil spring adjustment Right Modifications KSB timer include new faceplate new tImer-start lever spring-loaded short winding barsoldered groove acrossthe disk retainIng nut Mods allow internal mounting leaving disk flush fuselage side November 1985 81 I/BA 52SIPLY- DOWj 32Th FL Y ME WINDSOCK Wind Direction Anytime Anywhere Attaches antenna mast clips clips included Available frequency colors Give frequency number order 65 Foreign orders add S&H $150 calif Residents add 6% tax Product Brochure Free order Jeffla Products PO Box 484 Lake Elslnoro CA 92330 714 674-1151 engines engineered meet demands discriminating modeler backed service match fraction scoring rule dictates Indoor Nats rousing success clean site good weather led long flights contest administration Homer Smith Sandy Murry Frank Linda Brown ran flawlessly considerably con testants year 1983the word got out hangar excellent site Everyone looks forward another Nats sometime future Circulator/Hatschek Continued page 81 hook Instructions timer-start system provided hook available NFFS Supplies 12 Cook St Rowaytown CT 06853 directly RL Hatschek 316 Grosvenor St Douglastown NY 11363 $24 USA Canada $25 overseas Obviously dont have use Hatschek hook However performance will best full-function hook includes latch separate rudder positions straight tow circle tow zoom glide circle independently adjustable automatic timer start am aware commerciallyavailable tow hook provides functions also compact enough fit inside Circulator fuselage standard pin-type hook mount used see hook instructions works simply inserted through top fuselage /6-in music wire pins inserted through holes body secure system series holes allows hook shifted optimum tow position simple hatch cover can made piece A6 sq balsa profiled top match air foil inserted opening secured wing wires through tail boom original whats left over fiberglass fishing-rod blank after rest used A-2 boom Virtually anything similar would such fiberglass arrow shaft weight should exceed 12 grams lighter better Remaining details pretty straight forward shown either drawing photos Glider fliers also machinists may prefer alternate front end Actually machined version offers no performance advantages just produces individualistic model happen enjoy working metal all-wood version will probably lighter still necessary add seven grams ballast center gravity bring metal version up required 220 grams anyone adding weight model two-piece plug-in wing let suggest sheet brass sheet lead ribs slipped over wing wires original Circulator body started Continued page 160 MULTIPLEX DEALER INQUIRIES INVITED 2001 FM Norrowbond PCM ZZ. Exclusive MEMORY SOFT MODULE Flight Tested Since 1979 14 Ch ROYAL mc! 3370 N HAYDEN RD SUITE 123-234 SCOTTSDALE ARIZONA 85251 156 Model Aviation 5ACH537 wlmuffier 65 HP 5 lbs 15 Os 5ACH5DOLMAR 34 wmuffier 60 HP 5 lbs electric Ignltioni Prices include postage handling chsrgesi 8 pius tails 1zEzI THE RADIO CONTROL BUYERS GUIDE new 9th edition now local hobby shop contains thousands photos product descriptions radio control raft Cars s ems nes s Hardware Accessories s os RCBG single largest source infor mation RIO modeling available Whether youre advanced R/Cer eager novica RCBG will master reference So before plunk down hard earned cashLook Before Buy available locally may send $995 plus $175 shipping Radio Control Buyers -- Guide Dept 100 Clifton House Clifton VA 22024 sure indicate street address j I I II I I I I I I I I I 1/5 SCALE WINGSPAN 626 FASTAND SLEEK NE 40-45 FOAM CORE WING NELS 4-5 BALSA FUSELAGE IL $15995 Now Available Wherever RIC Models Sold. Write ST CROIX MODELS OX 279 FALLS WI 54552 NEW SPACE SAVING FUEL CONTAINER rituinYourges 2l/2s7318h1g1xtl/8 Tough 11gW PoIylhyIeue Includes AlITuhhg ph $120 postag Fasteners Loch Tuhieg Through Cap North Products PO Box 18419 Cleveland Heights OH 44118 Circulator/Hatschek Continued page 156 length 3A-in OD aluminum tubing wall thickness 055 carefully turned down 700 OD 030-in wall reduce weight re maining details should pretty obvious plan photos machinist AU assembly screws No 2-56 both flat head fillister head ex cept trim screw nose round head 8-32 thread holding brass nose weight fuselage tube 32 threads per inch OD approximately 670 removable housing hides machined parts consists 1/32 plywood sides 14-in-wide balsa blocks formers simply slips down over 1A-in -wide aluminum formers held place wing wires timer mounting screws Doublers used Flight trimming Start pleasurable task home first positioning tow hook indicated drawings adjusting ballast put center gravity 50% wing chord Dou ble check both simply hanging completely assembled model upside down its tow hook type loop string Circulator should dangle its fuselage 150 horizontal tail down inverted position course simplest accurate way check correct positioning tow hook angle much important distance CG its difficult check outdoors breeze Wing warps should also checked home Correct steaming necessary Both tip panels should have equal wash out about 14 left-circling Glider inboard panel right wing should flat inboard panel left wing should have about 14 washin right-circling Glider warps inboard panels should reversed should also have put rudder horn left side course incidence adjuster used right still shop check tow hook action clearances setting four rudder positions Mine 160 Model Aviation SCALE DOCUMENTATION WORLDS LARGEST COLLECTION Color POTOPAAKSKOKUFAN 3vews 30000InstOOk2000 20503e CATALOG SCALE MODEL RESEARCH Stsfactsn418k Ooesnfont t GuaranteedNewOorm eeaCh CairfoInrO 92651 Two TOP QUALITY Canard IJA 1/4 SUAL SPAN 485 ALL BALSA ENGINE 35-45 EASY TO BUILD NELS 4 AND FLY IL $12995 DIRECT BRITAINSPOPULARDIRECT ONLYMOSTHELICOPTER ONLY METAL GEARS MAIN ROTOR & TAIL FAN COOLING ALL MODELS WITH COLLECTIVE PITCH Hughes 300 28 -45 Motor pan 224s VISA_ MORLEY S/F LOW COST PARTS EASY TO BUILD ios COMPLETE WITH RETRACTS IN KIT MON 404 991-1995 9 AM 8 PM 634 ROY HUIE RD 18-A RIVERDALE GA 30274 follows straight-tow 2mm right circle-tow 6mm left zoom launch 3mm left glide circle 5mm left will probably prudent back off 2-3mm initial flights especially circle-tow glide field initial hand glides hook unlatched have glideturn setting should enable get stab setting fairly quickly start throwing Glider somewhat harder nose up slight left bank simulate zoom launch can tell quite lot make sure dethermalizer DT timer running Make first few trial tows hook unlatched until youre getting reasonably straight safe tows try few hook unlatch tension set about 2 lb will probably unlatch early progressively increase setting about ime youll need fish ermans spring scale original Circu lator uses unlatch setting 3 lb Please note personal preference lighter settings other Glider fliers play model like fish line avoid premature unlatch left-circling Circulator comes overhead fairly zippy tow tends turn slightly right due believe left-wing washin Increasing tow speed point slightly sooner unlatches hook gives slight left L&L MODEL PRODUCTSTA Introduces TH EIFIPIiI N N 6 SPORTSMAN SYSTEM Symmetrical Wing NOVICEWith Ailerons S Channel SimplicityAerobatic Maximum Stab ty Flat Bottom WingForgiving 7 L&L SPARLOCK PLUS ng Construction Wing Kit Updates ured Both K ts NOVICE 4 Channel55 Wing Span 29 40 Eng ne SPORTSMAN Are Ready L & L MODEL PRODUCTS DEALER & DISTRIBUTOR INQUIRIES IN VI TED7342 Appleridge Ct Cincinnati Ohio 45247 Phone 513/385-0912 rudder causing turn bank reverse glider banked slightly leftand fairly critical bit timing takes practice learnI release either letting go line plucking Releasing line gives better zoom plucking allows reel faster since dont have chase line first Additional Insights enjoyment literally competitive application circle towing can gleaned following sources Glider FlyingRussian Style Jim Wilson Model Aviation July 1978 Circle Game Gary T Medley Mode/Airplane News December 1980 January 1981 two parts Ten Years Hook Works Bob Hatschek NFFS Sympo Fourteen August 1981 New Home/Goodwin Continued page 82 substantial job City machinery work obtained could used needed elsewhere field put according AMA FLYING NEAR AIRPORTS BE CAREFUL PROTECT YOUR RIGHT TO FLY let roduclag. Ereb RIC Idle-Bar Glow Plugs Long Short Only $1 o Also Traditional line non-idle bar Glow Plugs Six Types 3 Heat Ranges High Performance Glow Element Blow Proof Seal Swanson Associates PO Box 151 Wayne NJ 07470 Only $129 S,ee 1948 162 Model Aviation Bell 47-G 48- 45 Motor pan 269 Send 200 full formation Pack Color Photos o Available AguSta 40-45Motorea opan 34995 Atom Back Approx Wt 1 75 oz Displacement 09 cu Bore- 5 Stroke 5 Piston- Steel Crank CaseMagnesium Alloy lOriginall Crankshaft BearingSilicon Bronze Cylinder Chromally Steel Approx RPM -12000 Iwith GreyCox7 x4 prop $ flfl95 Price guaranteed through 19851 FOB Los Angeles CA Add $2S0 shsppng per engine CA residents add 8% Sales Tax Order Direct See Local Hobby Store ATOM smallest ignition engines ever produced Designed R Arden further developments John Morrill simplex Engines Limited Production Run DelIvery 10- l2weeksARO F~Sho7 Write price listl MorriII-ADC PO Box 1210 Simi Valley CA 93602
Edition: Model Aviation - 1985/11
Page Numbers: 78, 79, 80, 81, 156, 160, 162
NO OCR TEXT wide trifle longer wing panel very light /32 sheet balsa Epoxy y-in-wide strip graphite laminate along edge 3/, x leading edge along other choice glues Make sure spacing accu rate Glue ribs panel ex cept two center W2 ribs Add trailing edge making sure prop erly blocked up its bottom surface aligns airfoil contour above drying make two stub spars including scrap balsa filler wedge goes below aluminum tube Notch tops necessary ribs stub spar epoxy place Add final W2 ribs two pieces point convenient join tip root panels proper dihe dial angle Just bevel leading trail ing edges join epoxy rein force A-in length graphite laminate Epoxy-glue remaining fillers webs latter A2 soft sheet exactly wide grain running ver tically Structural theory states stress shear web I-beam equal directions important Left tow model circling slack line Above Upper end streamer has iight wire rIng captured hooks atch fuii streamertralis out fiier knows sure hook has unlatched Set unlatch tension suit flying styie Left Bobs unusual stab hold-down has large loop dethermalizer lineworks smoothly eliminates conventional hooks several stabs can stacked togetherwithout puncturing another Right pigtail rudder horn andthe upperend ofthetorslon-bar rudder spring small screw left side rudder adjusting incidence Stab pops up angle 500 dethermalizlng November 1985 79 Author/designer Hatschekgives usaviewof machIned aluminum front end Thlsver sion slightly heavierthan built-up Bob allows model circle line both types required ballastto bring Thatjungle off runwayiswhyhewears up weight required A-i rules WW li-type legglns Galeville NY site Left Machined front end provides clean installation modified KSB timer Hatschek circle-tow hook Right Once optimum hook position has estabiished theres no further need remove piy/baisa housing fieid Wing rod puiis out compact packaging Note washin adjusteron ieft wing oniy left-turning model Tow hook avaliabie NFFS Supplies author seetextfor nose pictures snow tne working innaras Trom both siaes washin adjuster requirsa am n very convenient ulatscneK says Left Partially disassembled front end tow hook shown iatched position Right Completely disassembled tow hook unlatched position hook latched position line wire arm thats screwed iatch pulls timer lever off unlatched reixed line ailowathe internal spring switch timer Automatic timer-start eliminates need fora pullpin start allows modeito released merely releasing towilne iong asthe streamershowsthatthe hook unlatched advantage altitude gained zoom launch its easy see author used model try out ideas A-2 Gliders thing structure effectively pre vent possibility upper flange bending thorough epoxy top graphite spar can now added followed beveling off leading edge adding top sheet complete D-box Alternately graphite can epoxied top sheet can added unit using epoxy web least Cover bottom central area shown plans A2 sheet graphite strip has epoxied dry insert first-bay filler short length /32 aluminum tube has bound glued both wing wires tubes align care fully apply epoxy set filler rear tube Add remaining fillers top center-section sheeting Other details wing construction relatively straightforward should present no difficulties covering Japanese tissue five six coats thinned nitrate dope Stabilizer Building tail simple adequately detailed drawing have using structural design 30 years recommend highly Its reasonably light sufficiently strong quite resistant warps cover ing again Japanese tissue on80 Model Aviation Full-Size Plans Available. See Page 172 TLBE WO FILL BETWEEN ISO jW2 j 7FILL BELLEL HV STUB SPAR STUB SPAS ENDS HERE 6*5 HARD T E LEFT WING SOB 1/2 GWAPIITE FIBER LAMIN~E TSP & BOTI IIIIIIII I32 BALSA WEB VERT GRAIN FROB HERE TO TIP IIIIII I/IS GUSSETS W3W3 ALL RIBS 1/6 MED BALSA UNLESS NOTED 53W3AS U3IU 17 MED HARO BALSA TURE/LATOR R FT SAL ILJY _________ COVERING TOP U BOY RIGHT WING p STUB SPWE TAPER FROM I/BSO SPRUCE LS BALSA FILL1/6 05 ALAM TUBE BAD WITS THREAD & EPEBIS TO STUB SPAR DIHEDRAL DETAL3-14 NOT TO SCALE2 I BA 1/16 SHEET AT 3d ANGLELS1/32 7SOuGUSSETS BOY SLBFACEI SISOSZSOSOSO U11 \ II ALL DTHERS/32\\// STABILIZER 6RB\//B I/B IIB PLY DOUBLER RIGI-IT SIDE1/32 PLY D/T 005012 STRW4IED CABLE 3/32 WIRE 5 1/S PLY DOUBLER ILEFTI 1716 PARE H 2I/S 2 PLY SIDES BOTI- I/Sd PLYNOTE BALANCE WITS CU AT SAX1/32 PLY SADDLE ITO TOWICOK IU BALSA FAIRING BLOCK S/T LINE ENTERS HERE -- DOUBLERFIBEROLASS BOOM ZFI/2 LONG TAPERS FROM S/B TO S/AL APPROIL S GRAMS 4ALAST ACCE~ THROUGH TIMER CUTOUT flYSS TIMES SI-OAF 3/S,I/2 BALSA CIRCULATOR A-I TOWLINEK PROJECTED ISNOSHMI 51 HOlES 027 SO IN STABILIZER SPAN IS-3/S UREA ASSO IN TOTAL UREA 275 SO IN WEGHT 221 GRAMS DESONED 6 DRAWN BY BOB SATSCHES LHATSCSEK CIRCLE-TOW HOOKREMOFABLE HOUSINGINCIDENCE ADJUSTMENT WITH TIMES-START FUNCTONBAUSS 42 USAMS3/B WIEWO OF CC NYS-O SCHEW-STRWGRT-TCBK MODE\RUATS7/ -- I D/T LINE ENTERS YOU OD LANK LEE 0AA0-SA FLAT-HEAD SCREW 00 3/6BA SHOALTERNATE FRONT END MACHINEG I/BODS I/A LOMG ALUM TUBE I/B SOFT BALSA\, -CLOTS BAIflOO SKIDUHINGES I2325B ly four coats dope final weight original six grams Fuselage Two designs presented plan conventional plywoodand-balsa box fiberglass boom other assembled primarily machined aluminum components pro- cut 1/32 plywood internal totype Circulator shown photos doublers added box assembled uses machined aluminum front end 1A-in-wide top bottom blocks Glider fliers machining three formers indicated plan facilities conventional box recoin- added bottom block grooved mended structural concepts rear accept tail boom conventional body adapted earli- epoxied place er A-i design well proven reason left-side doubler made aerodynamic layout two plywood provide adequate clearversions identical ance space operation automatic conventional body simple timer-start lever Hatschek tow barely requires description sides are Continued page 156 Left wing-wash adjuster has crossed brass tubes sliver-soldered together OBO screw pull down against coil spring adjustment Right Modifications KSB timer include new faceplate new tImer-start lever spring-loaded short winding barsoldered groove acrossthe disk retainIng nut Mods allow internal mounting leaving disk flush fuselage side November 1985 81 I/BA 52SIPLY- DOWj 32Th FL Y ME WINDSOCK Wind Direction Anytime Anywhere Attaches antenna mast clips clips included Available frequency colors Give frequency number order 65 Foreign orders add S&H $150 calif Residents add 6% tax Product Brochure Free order Jeffla Products PO Box 484 Lake Elslnoro CA 92330 714 674-1151 engines engineered meet demands discriminating modeler backed service match fraction scoring rule dictates Indoor Nats rousing success clean site good weather led long flights contest administration Homer Smith Sandy Murry Frank Linda Brown ran flawlessly considerably con testants year 1983the word got out hangar excellent site Everyone looks forward another Nats sometime future Circulator/Hatschek Continued page 81 hook Instructions timer-start system provided hook available NFFS Supplies 12 Cook St Rowaytown CT 06853 directly RL Hatschek 316 Grosvenor St Douglastown NY 11363 $24 USA Canada $25 overseas Obviously dont have use Hatschek hook However performance will best full-function hook includes latch separate rudder positions straight tow circle tow zoom glide circle independently adjustable automatic timer start am aware commerciallyavailable tow hook provides functions also compact enough fit inside Circulator fuselage standard pin-type hook mount used see hook instructions works simply inserted through top fuselage /6-in music wire pins inserted through holes body secure system series holes allows hook shifted optimum tow position simple hatch cover can made piece A6 sq balsa profiled top match air foil inserted opening secured wing wires through tail boom original whats left over fiberglass fishing-rod blank after rest used A-2 boom Virtually anything similar would such fiberglass arrow shaft weight should exceed 12 grams lighter better Remaining details pretty straight forward shown either drawing photos Glider fliers also machinists may prefer alternate front end Actually machined version offers no performance advantages just produces individualistic model happen enjoy working metal all-wood version will probably lighter still necessary add seven grams ballast center gravity bring metal version up required 220 grams anyone adding weight model two-piece plug-in wing let suggest sheet brass sheet lead ribs slipped over wing wires original Circulator body started Continued page 160 MULTIPLEX DEALER INQUIRIES INVITED 2001 FM Norrowbond PCM ZZ. Exclusive MEMORY SOFT MODULE Flight Tested Since 1979 14 Ch ROYAL mc! 3370 N HAYDEN RD SUITE 123-234 SCOTTSDALE ARIZONA 85251 156 Model Aviation 5ACH537 wlmuffier 65 HP 5 lbs 15 Os 5ACH5DOLMAR 34 wmuffier 60 HP 5 lbs electric Ignltioni Prices include postage handling chsrgesi 8 pius tails 1zEzI THE RADIO CONTROL BUYERS GUIDE new 9th edition now local hobby shop contains thousands photos product descriptions radio control raft Cars s ems nes s Hardware Accessories s os RCBG single largest source infor mation RIO modeling available Whether youre advanced R/Cer eager novica RCBG will master reference So before plunk down hard earned cashLook Before Buy available locally may send $995 plus $175 shipping Radio Control Buyers -- Guide Dept 100 Clifton House Clifton VA 22024 sure indicate street address j I I II I I I I I I I I I 1/5 SCALE WINGSPAN 626 FASTAND SLEEK NE 40-45 FOAM CORE WING NELS 4-5 BALSA FUSELAGE IL $15995 Now Available Wherever RIC Models Sold. Write ST CROIX MODELS OX 279 FALLS WI 54552 NEW SPACE SAVING FUEL CONTAINER rituinYourges 2l/2s7318h1g1xtl/8 Tough 11gW PoIylhyIeue Includes AlITuhhg ph $120 postag Fasteners Loch Tuhieg Through Cap North Products PO Box 18419 Cleveland Heights OH 44118 Circulator/Hatschek Continued page 156 length 3A-in OD aluminum tubing wall thickness 055 carefully turned down 700 OD 030-in wall reduce weight re maining details should pretty obvious plan photos machinist AU assembly screws No 2-56 both flat head fillister head ex cept trim screw nose round head 8-32 thread holding brass nose weight fuselage tube 32 threads per inch OD approximately 670 removable housing hides machined parts consists 1/32 plywood sides 14-in-wide balsa blocks formers simply slips down over 1A-in -wide aluminum formers held place wing wires timer mounting screws Doublers used Flight trimming Start pleasurable task home first positioning tow hook indicated drawings adjusting ballast put center gravity 50% wing chord Dou ble check both simply hanging completely assembled model upside down its tow hook type loop string Circulator should dangle its fuselage 150 horizontal tail down inverted position course simplest accurate way check correct positioning tow hook angle much important distance CG its difficult check outdoors breeze Wing warps should also checked home Correct steaming necessary Both tip panels should have equal wash out about 14 left-circling Glider inboard panel right wing should flat inboard panel left wing should have about 14 washin right-circling Glider warps inboard panels should reversed should also have put rudder horn left side course incidence adjuster used right still shop check tow hook action clearances setting four rudder positions Mine 160 Model Aviation SCALE DOCUMENTATION WORLDS LARGEST COLLECTION Color POTOPAAKSKOKUFAN 3vews 30000InstOOk2000 20503e CATALOG SCALE MODEL RESEARCH Stsfactsn418k Ooesnfont t GuaranteedNewOorm eeaCh CairfoInrO 92651 Two TOP QUALITY Canard IJA 1/4 SUAL SPAN 485 ALL BALSA ENGINE 35-45 EASY TO BUILD NELS 4 AND FLY IL $12995 DIRECT BRITAINSPOPULARDIRECT ONLYMOSTHELICOPTER ONLY METAL GEARS MAIN ROTOR & TAIL FAN COOLING ALL MODELS WITH COLLECTIVE PITCH Hughes 300 28 -45 Motor pan 224s VISA_ MORLEY S/F LOW COST PARTS EASY TO BUILD ios COMPLETE WITH RETRACTS IN KIT MON 404 991-1995 9 AM 8 PM 634 ROY HUIE RD 18-A RIVERDALE GA 30274 follows straight-tow 2mm right circle-tow 6mm left zoom launch 3mm left glide circle 5mm left will probably prudent back off 2-3mm initial flights especially circle-tow glide field initial hand glides hook unlatched have glideturn setting should enable get stab setting fairly quickly start throwing Glider somewhat harder nose up slight left bank simulate zoom launch can tell quite lot make sure dethermalizer DT timer running Make first few trial tows hook unlatched until youre getting reasonably straight safe tows try few hook unlatch tension set about 2 lb will probably unlatch early progressively increase setting about ime youll need fish ermans spring scale original Circu lator uses unlatch setting 3 lb Please note personal preference lighter settings other Glider fliers play model like fish line avoid premature unlatch left-circling Circulator comes overhead fairly zippy tow tends turn slightly right due believe left-wing washin Increasing tow speed point slightly sooner unlatches hook gives slight left L&L MODEL PRODUCTSTA Introduces TH EIFIPIiI N N 6 SPORTSMAN SYSTEM Symmetrical Wing NOVICEWith Ailerons S Channel SimplicityAerobatic Maximum Stab ty Flat Bottom WingForgiving 7 L&L SPARLOCK PLUS ng Construction Wing Kit Updates ured Both K ts NOVICE 4 Channel55 Wing Span 29 40 Eng ne SPORTSMAN Are Ready L & L MODEL PRODUCTS DEALER & DISTRIBUTOR INQUIRIES IN VI TED7342 Appleridge Ct Cincinnati Ohio 45247 Phone 513/385-0912 rudder causing turn bank reverse glider banked slightly leftand fairly critical bit timing takes practice learnI release either letting go line plucking Releasing line gives better zoom plucking allows reel faster since dont have chase line first Additional Insights enjoyment literally competitive application circle towing can gleaned following sources Glider FlyingRussian Style Jim Wilson Model Aviation July 1978 Circle Game Gary T Medley Mode/Airplane News December 1980 January 1981 two parts Ten Years Hook Works Bob Hatschek NFFS Sympo Fourteen August 1981 New Home/Goodwin Continued page 82 substantial job City machinery work obtained could used needed elsewhere field put according AMA FLYING NEAR AIRPORTS BE CAREFUL PROTECT YOUR RIGHT TO FLY let roduclag. Ereb RIC Idle-Bar Glow Plugs Long Short Only $1 o Also Traditional line non-idle bar Glow Plugs Six Types 3 Heat Ranges High Performance Glow Element Blow Proof Seal Swanson Associates PO Box 151 Wayne NJ 07470 Only $129 S,ee 1948 162 Model Aviation Bell 47-G 48- 45 Motor pan 269 Send 200 full formation Pack Color Photos o Available AguSta 40-45Motorea opan 34995 Atom Back Approx Wt 1 75 oz Displacement 09 cu Bore- 5 Stroke 5 Piston- Steel Crank CaseMagnesium Alloy lOriginall Crankshaft BearingSilicon Bronze Cylinder Chromally Steel Approx RPM -12000 Iwith GreyCox7 x4 prop $ flfl95 Price guaranteed through 19851 FOB Los Angeles CA Add $2S0 shsppng per engine CA residents add 8% Sales Tax Order Direct See Local Hobby Store ATOM smallest ignition engines ever produced Designed R Arden further developments John Morrill simplex Engines Limited Production Run DelIvery 10- l2weeksARO F~Sho7 Write price listl MorriII-ADC PO Box 1210 Simi Valley CA 93602
