4 EARLY BIRDS Back December 1987 col umn photos three-view drawing 1935 Hangar 13 model also presented overview early typical club Beloit WI its teaders Now have given opportunity add interesting piece modeling history Bill Bates now resides Glen Mills PA 4-In recently corresponded included Olam following third-person account DOUGLAS HARDWARE GAS MODELi 934 Designed Built Flown Bill Bates Al Helm Frsnlc Ross Original Engine Loutrel Donated Douglas Hardware Janeaville Wisconsin Drawing W Bates 2-348 wing Rib Typical Cross Section Cabin Area Fuselage wing Shown Fiat98-In Span zzzzIz Stabilizer RibsTip E3RGE UIEBAUER FRANK eering project Douglas Hardware Job 1934/35 believed first Gas model built flown state Wisconsin Photo L shows original uncovered model sat Bill Bates back yard 34 Photo right shows some Hangar No 13 Club members models first taxi test restored model sits today AMA Museum Reston VA 46 Model Aviation Radio Conoi Old-turners Dr DB Mathews 9O N Maize Rd Thwnhouse 734 Wichita KS 67212 BEFORE start off something Id/ike get off chest love readers love get letters However reader asks something necessitates making reply sure would appreciate it would dude SASEor least return postage lieve tell lam getting rich writing bimonthly column labor love Spending quarter post age stamp wont break mebut get lots let ters adds up Gimme break folks other thing write please dont send letter Model Avia tion editorial offices Virginia just means have fotward home Wich ita KS takes additional time effort somebodys part Send things directly address given logo area top column BILL LAT1S ThFFA12in TAXTTESTS-195 remains wing panel jigged building board restoration Leading edge facing camera Back 1932 model airplane club orga nized Beloit WI Originally 13 members led name club Han gar #13 club became junior chapter National Aeronautic Association NAA 1935 NAA predecessor AMA Dur ing period Bill Bates now member Salem club president Conrad Hansen now Dayton OH club advisor Bills license time NAA 2026 club met twice month YMCA its dues 10g right after de pression 1929 money still tight der conserve limited resources building ma terials like balsa Ambroid cement banana oil tissue silk rubber music wire airplane dope purchased club bulk mail order dispensed free members normal projects Large amounts say Gas model supplied cost club meetings actually building ses sions older members teaching help ing younger members lots com petition within club clubs sur rounding areas Several members attended Na tionals During 1934-35 time period Bill Bates club buddies Frank Ross deceased Al Heim now Kansas City MO designed built flew what believed first gasoline-engine-powered model state Wisconsin referred Douglas Hardware Job because trio either dividually group could afford engine $15 Douglas Hardware store Nearby Janesville WI agreed supply funds designers/builders would put stores name wingand original engine Loutrel prede cessor somewhat cruder GHQ engine came along later best engine the laminated balsa wheels rather complex wire landing gear time renowned Brown Jr used Max well Bassett Philadelphiabut $2150 out reach Continued page 48 June 1989 47 Remains wings after sitting attic horizontal stabilizer before restoration about 45 yearsl Heres what nose model looked like before restoration began Label glued firewall reads F Ross W Bates Helm Scene atop workbench Jack Glassens workshop 1985 Heres rear mounting bracket shock-absorbing landing gear igni tion systems On/Off knife switch just above fuselage wasnt such bad shape ex cept some missing access doors Restored Douglas Hardware Job Hangar No 13 Club 52nd-year reunion Beloit WI September 1987 Folks L-R Jackie Glassen Elwin Lindsley restored model Al Helm Weather bit too windy risk flight priceless antique Bill Bates restored model AMA Museum November1987 restoration photos month taken Elwin Lindsley Stores Four Aircraft Setups Includes Seven Different Servo Configurations Individual Surface Travel Limits Centering Single Switch Presets Launch Speed Modes Full Trailing Edge Control Enhanced Mixing Functions Crow Landing Capability * User Selectable Cross Trim Capability * Flap Stick Reversing * Elevator Camber VTR * Automatic Selection High Ail Rudder Mixing Launch Landing Modes * New Feature Fully installed kit Control Systems Laboratories 238 5 Hillview Dr Milpitas CA 95035 408 946-4142 Airtronk~ Module 75P IM registered trademarks Aixtronics Inc NEW FEATURES ADDED! ATRCSTM Advanced Technology Radio Control Systeni Works standard FM/PPM Receivers AirtronicsTh PCM Receivers Converts Module 75P advanced computerized control system 100 VTR1 Elevator Camber % 1/71/ I/7W 0 070 100 Elevator Stick Position % occasion during winter 1935 Bill Al along fellow club member Elwin Lindsley now retired Senior Engineering Ed iter Popular Science magazine managed g balky Loutrel fired up Beloit city golf course off went DH nice flight engine almost always quit after short runbut day Bill Al started legging after plane finally crossed nearby frozen Rock River Meanwhile Elwin drove fathers car around about over bridge guessed Bill broke through ice lucky enough able crawl out alone Al stayed back fear making matters worse Dripping wet water freezing Bill made far side just Elwin came along river road car heater car saved day good thing Elwin found temperature well below freezing plane later found good shape nearby country club golf course Lucky right two golf courses area Douglas Hardware plane cabin job 8-ft wingspan polydihedral fea ture made popular days Maxwell Bas sett wing Clark Y airfoil built-up ribs main box spar truss-type rear spar built three sections joined dowel joints cabin-type fuselage remi niscent early Bellanca full-scale designs 52/2 long 9 deep cabin 6 wide Boy room no radio Weight about 5 lb 1940 Douglas Hardware job bas ket case remains left care Jackie Glassen Madison WI Bills young modeling proteges state Jun ior Gas model champion 1939 Following 49th-year reunion Hangar #13 1984 Bill learned Jackie still plane attic piecessans engine Knowing Hangar #13 going have other reunion Beloit WI 1987 con vinced Elwin lived close Delafield WI restored Douglas Hardware Job would make nice attraction next reunion did take much convincing original remainsabout 90% complete picked up Bill during visit Wis consin 1985 delivered Elwin com pleted difficult restoration just time 52nd-year reunion September 1987 funfly just before banquet held under windy conditions big black-and-orange plane kept ground borrowed Brown Jr engine fired up During banquet attended 74 people Bill visited AMA Executive Vice President Jim McNeill resulted Jim leaving banquet plane car heading AMA museum Reston VA plane now has permanent resting place equipped Brown Jr engine museums col lection Bill visited museum November 9 1987 took several pictures half-centuryold plane sitting proudly table alongside old Comet Zipper its wings left off order show interior structure Its good company likes KG-l flown 1933 Nationals Bill says AMA HQ museum very interesting place visit its tasteful displays thousands models engines radios etc Anyone interested model airplanes would enjoy spending few hours museum three hours Glen Mills PARMcM just outside Washington DC might make good excuse group visit club members AMA peo ple facility extremely warm friendly interesting note three designers/builders old ship later went graduate University Wisconsin engineering degrees Bill spent 42 years aerospace industry Curtiss-Wright Boeing Vertol before retiring 1982 Flwin graduated Parks Air College degree aeronau tical engineering also has A&E license author several books latest Service Repair Small Gas Engines restoration remaining pieces Douglas Hardware Job magnificent project evident photos As Bates men48 Model Aviation IICLU DES t & 6 trnerprises ializing Vacuum Formed Helicopter Fuselages er Inquiries Invited II Available Local Dealer Call Direct L 23015 Del Lago #8-2 Laguna Hills CA 92653 our OrderinglTvlessage Recorder 714 859-2030J Coal ourorium asoy Geourid 90 thoust Hoe irigt poksh firiahed Socket cop screws includec DRUID AND TAPPED F0 #JT-20 Os MAX PS 40 Undrilled 2040 . 800 44HPVT21 1000 #J-42ENYA35-404C4000ross #JT-43SAITO FA 40-4540002030 #JT-44OS MAX FS 401000 #JT-45SAITO FA 40-451000 #JT-46ENYA464C4000 #JT-49HPVT491200 #JT-60Undrilled 60-901100 #Jb6IOSMAXFA6I1300 #JT-62OSMAXFS6O-75-901100 Jr #JT64ENVA 60-80-90-429404300 #JT-65SAITO FA 4300 #JT-120 Undrilled 1201600 #JT-121 ENYAR 120 PC2000 #JT-1220SMAXP51202000 #JT-123 SAITO PA 120.2000 Jr404 19-40 4950 00 2550 #JT-125 Suoer Tlare 25-3000 2000s sao GIANT ENGINE MUFFLERS Marched engine Tori pipe esleraicos mwsf log oIta ncludd AMo ATLAS 46 BULLY COBRA KAWASAKI KI SUPER TIGP JT-104 ALl5 100 2730 jr-na Z5NOAH 035 2750J4 Jr-w4 OPEIGIIT 880101 1950 -a0345-000030I CMOUNT MUFFLERSJT4OT - 75-aoo.oPITTS CAP 21 CESSNA 1O etc 40-00 -403 40 50 -40345-40 2050 MARhoaseaddi5OfsrUP52490 -903 75-2050o OCYaQI5AMCOrCO0j90 COO FREE CA TALOG 2750 MOOA 50 MAO 25 UtN7 2750 000 TASIANfl 0000 ENGINE TESTING STANDS Coos Aluminum l restrooms No Jr rss aiont 50 1120 23 2990 NO Jr 55 go I2A 040 290 tions Elwin Lindsley also retired Senior Engineering Editor Popular Science Oddly recently answered letter Elwin enquiring Ken Willard mentioned recent Great Missouri Sock Soak article Janu ary 1989 MA could possibly same Ken un der studied meteorology Parks Air College 1940 answer course yes world continues shrink Elwin Lindoleys report restora tion Douglas Hardware Job first time saw DH Gas Job built Bill Bates Alfred Heim late Frank Ross Hangar #13 Club bit WI bright cold winters day probably 1936 Suffice say splendid gleaming example its builders crafts manship bitter day man aged breathe life Loutrel engine day DH flew well high stablebut too far no engine timer first Gas model state Wisconsin second time saw DH over 50 years later Bill Bates removed remains car trunk sad sorry group pieces hung together tattered bits aged silk its wings shattered pieces sections its rudder missing Obviously least flight gone poorly front right engine mount section fuselage totally crushed Restoring DH would clearly challenge beginning set up several ob jectives would costs attempt retain authentic ity though some obvious tempting shortcuts could have made new wing ribs sheet balsa example rather producing rib jig assembling bits pieces %2-sq balsa DH well cleverly constructed designedbut also complex would try best bring DH back airworthy status True could never certain integrity thousands existing glue joints original structure appeared remarkably solid considering 50-year-old glue Some however popped loose slight est tweak Third would attempt regain aerodynamic alignment though existing sur faces warped twisted degree complete Thus approached DH restoration ex actly would similar job full-size air craft Id eventually sign off A&P number 72824-41 procedure fol lows Complete strip-down old silk covering cleaning structure much possible its 50-year accumulation dirt oil Assessment structural damage fuse lage up firewall fair shape exception some missing access doors area forward firewall badly crushed oil-rotted profile retained port side engine bearer Both wings lacked substantial number built-up ribs significant spar damage some spar sections missing large por tion leading edge wing totally gone brittle nature old leading edge posed problems since least touch caused cracking broke areas back relatively solid wood wings two outer sections cen ter section assembled means hard wood dowels inserted aluminum sleeves bed ded spars dowels broken off down sleeves impossible re move drilling out eventually necessary remove sleeves highspeed burr after rebuilding wings jig three sections lO-ft-long flat surface new dowels place reglue sleeves Situ Most wing repairs made after jigging surfaces flat building board using 101 scarf joints extend original spans Alignment flatness reestablished during repair during replacement diago nal inner wing drag antidrag braces new rudder drawn constructed reference photos taken original structure Thirties nose engine bearer structure re built spliced-in members carried back solid woodContinued page 157 THERMAL CHARGER what looking electric sailplane good looks easy build fun fly great performance Thermal Charger Wing Span Wing Area Motor Included 60 Inches 545 Sq Inches Leisure 05 Electric fl3 PRECISION PRODUCTS INC 714 592-5144 510 E Arrow Highway San Dimas CA 91773 June 1989 49 ovollable hobby shop ORDER DIRECT los return UPS shipment mrg John rarone Co UIIIVERSAL IN-COWL AIRCRAFT MUFFLERS 1 94045-6075-1 3 engines Most versatile mufflers ever offered Designed fit inside cowls limited space can also used HELICQPTERS BOATS o For UPRIGHT INVERTED SlDt mounted engineu txhaust tubes point almost direction Worm drive clamp universal mounting dIn h hrslto-l dirtiv th snobs 504505i081 ininin C/L New R/C HANGAR rn CATALOG IKits OR Plans Innovative Inexpensive Quick&Easy Build HORNET 074 Order yours today QUICK & LIVELY SPORT BIPLARE GREAT FOR SMALL FSELIlS Designed new Cnn 074 Queen See enganel SEND 2 Spenificatinona Wing Spurn 2h Oang Area 275 Sq Length 25 Loading 13 SzSq Pt Weoght 1112 Lb Radio iChannel micro servos Experience aileron trainer qoalofoes yoo tn pilot sleek nk inn airplane Sisple dorahie rentangular 2spar hd noons sheeted box type 0 oselage solid tail surfaces pretot aAA balsa ply tollsize illostrated plana STANGEL ENTERPRISES ostb tooplete instroc non ha dna e pa baghtP 0 BC 36 M MEMBER0 AC LPlunn S4995 01350 ShlI Plan ySSe 95 $150 SSHWAUKESHA WSCONON5 bAMJ tively uncommon sizes /32 hard alu minum sheet landing gear stock small 00-90 0-80 hex screws nuts small 00 1 2 wood screws practi cally everything else available hobby shop worry can ordered National Trea sure Scratch Builders Sig Manufactur ing Company Youll also need small nut-drivers screwdrivers use 21-piece tool set sold Polks Model Craft Hobbies Micro-Mark shown ads fine little tools Scale model builders very reasonable price Whether sound Longsters model four-cycle engine conjures memories favorite full-size airplanes have known flownor merely sounds like model four-cycle enginewith its steady flying habits hybrid lightplane/antique sure please Just remem ber winds blow Longster better go Radio Technique/Myers Continued page 39 jects 23-channel problem AND two adjacent-channel problems exist wideband 5C455 receiver Thats Bob Aberle chose identify dual-conversion narrow-band receiver 1991 receiver Note above refers AM FM Theres no difference between far interference type concerned Larry Sribnick has done again Larry friend firm SR Batteries Inc Box 287 Bellport NY 11713 phone 516/2860079 FAX 516/286-0901 now marketing tool kit consists screwdriver-type han dle ratchet handle assortment /a-in hex-shaft tool bits will also fit electric screwdriver whole shebang comes snaplocked bright yellow plastic case sells $2695 plus $3 shipping handling tool bits fit No 1 2 Phillips-head screws /l6 slotted screws 12 sizes English hex keys 050 through 5/lb six sizes metric hex keys 15mm through 5mm adapter Ia-in square-drive sockets components hardened blackened resist rust except ratchet handle stainless steel screw driver handle plastic tool bits have spring-loaded balls lock place An added setscrew socket screwdriver handle insures wont losing tool bits inside model per feet item tool kit can handle things like wheel collars engine mount bolts etc got set immdediately filed two tabs off screwdriver shaft can slip ratchet handle thereon case need give lit tle extra urge stuck screws Should happen damage tool bit replacements available $1 SR Batteries RC Battle/Good Continued page 45 approved five new 72 MHz channels close 3-to-2 decision two Commission ers absent disconcerting dissenting Commissioners opined RC pears essentially triv ial use does warrant allocation spectrum space Caustic words hairbreadth voting coupled disparaging minority opinion might have undercut optimism about course future battles FCC except Courtneys shrewd analysis counsel explained Commissioners votes di vided sharply according respective years service three favor AMA proposal served 12 15 21 years respectively two voted against three years respective tenure caution ary experience Courtneys view confirmed importance continu ally educating public officials about RC hobby would well heed re minder RC Old-Timers/Mathews Continued page 49 original ignition wiring remained consisted mid-Thirties-type automotive acces sory wire totally deteriorated insulation cracked touch re placed unique double-pole double-throw knife-blade switch disassembled cleaned corrosion buffed installed although its used its original location Although laminated balsa wheels re moved sanded tire area repainted THE LEADER IN COMPETITION NEW 4[L#L SERIES 100 THP DESIGN \ /DIAPRICE 15 16 NEW PRO SERIES 3 \ / i S NEW NIGH TECH AIRFOIL SECTION 10T0200/oINCREASE IN THRUST MFG OF SELECT HARD MAPLE WOOD WILL NOT FATIGUE LIKE SYNTHETICS FUELPROOFHIGH LUSTER FINISH DIAPITCH PRICE 534 634 72633456 6334568 645667 9456677/ 104566A7 106W6W 106EW 114677 7 7 46 ii5W ii6EW 1167 124W 12SW 1256 1356 1456 1556 164/N 16678 RC PYLON RACING SERIES 500 DIA PITCHPRICE 75N 5/N 6I 67/,78 SERIES 400C 9777Io W WIDE BLADE EW EXTRA WIDE N NARROW PROPELLERS TAILORED HELICAL PITCH DEVELOPEDTOGIVE MAXIMUM THRUST AT 4 CYCLE ENGINE RPM ALL THE LATEST TECHNIQUES USED ON OUR PRO SERIES 3 SEE BELOW PITCH THP 66 77 /6 677 6 677 8 67 676 June 1989 157 GATOR RIC PRODUCTS DELUX ALL BALSA KIT An new Tiger Tail 120 four strokes piped 60 two strokes beautiful performer competition just showing offl balsa kit machined wood parts complete hardware package includes plug-in djustable stab parts new wing mounts Wing Span -72 InWing Area 860 sq Complete Delus KitSi 5995 TRANSMITTER CASE An inexpensive rugged molded case protect expensive transmitter both two stick single stick transmitters Black leather grain aluminum trim locking clasp S 1995 MV-i TYPHOON New F3A competition Big beautiful flyer balsa construction plug-in wings 120 four stroke 60 two stroke power Plans-two sheetsS1495 Fiberglass cowlSi 895 Clear butyrate canopy 5 OTHER PLANS Tiger Tail 4S-two sheets 120 four strokes S 1495 TAR baby 120 four strokes S 1195 Alley Kat 40 size trainer sport S B95 Gator Flea 40 size sport S 895 Bobcat 40 size sport S 895 GATOR SOFT MOUNTS COMPLETE SOFT MOUNTS INCLUDES ALL HARDWARE Optimized lowest vibration transmission airframe minimizing engine shake Available YS-60 OS-6051495 SOFT MOUNT COMPONENTS 4-lug Mounting Plate 606 I-T-6 black anodized Undrilled Drilled YS60 OS-60. S695 Rubber Iso-Mounts 518 diameter 112 long 8-32 female end 8-32 x 112 male other end Specify soft 50 durometeryelIow firm 60 durometer-purple Each. S3OOPkg 014 5995 feather Ilte glass cloth 7 ozsq yd est weave Fastest Filling est Finished Weight Big 3 Sq Yard Pkg Detailed Instructions $895 Include S2 SOiltem UPS esidents Add 6% Sales Tax GATOR RIC PRODUCTS 3713 Pompano Dr acola FL 32514 476-8639 original landing gear left intact slightly bent Recovering refinishing done conventional manner Koverall fabric ni trate dope foregoing rather superfcial relating basic restoration steps necessarily omits host interesting details about Construction pioneer Gas model Plainly designers/builders drew heavily upon own judgement engineering skills fact DH flew flew well survived over half century testimonial abili ties August column will feature new Douglas Hardware model constructed master crafts man Ralph Beck also built Hangar 13 Special featured December 1987 issue cant wait Ralphs address RR #2 Box 131 Beloit WI 53511 can likely help truly interested person obtain working drawings Did know Joe Butler Granbury TX recently sent photos Ole Reliable fea tured construction article June 1978 sue MA available Full-Size Plan No 225$425 Smog Hog airfoil section letter called attention wild piece other model magazine accompanied construction article new Old-Timer hav ing wing loading 15 oz/sq ft protect author quote source Most us old geezers know prop erly balance aircraft However benefit new modelers following method use Mark underside wing next cabin windows dot corresponding CG position shown plans Place index fingers dots lift aircraft aircroft balanced hangs slightly 100 120 nose down Emphasis added Son gun years thought meant model nose-heavy truly age enlightenment RC Electrics/Kopski Continued page 51 tardly deed Wet-powered Amptique read right Howell Wet-powered Amp tique calls OStique Mercy What world coming What can say about Modeling funand doesnt really mat ter get need now someone send photo rubber-powered Amptique Lets see what might name about Elastique Some new connectors available CS Flight Systems Middleboro MA see ad rather small gold-plated tubular-pinand-socket-type parts solder cup accept up 15-gauge wire may very useful crowded installations insulated heat-shrink tubing supplied go $3 pair Id like point out CS has con stantly expanding discount catalog Electric goodies including connectors suggest invest two bucks Youll easily re cover cost first order subject connectors Id like also mention Sermos line has ad dition color addition familiar red black less familiar orange green white blue yellow John Sermos tells has now added grey gray Whatever less familiar colors available Sermos direct suggest check out ad issue Red black routinely available suppliers includ ing CS way John tells contacts product line specially made him contacts extra heavily plated silver result have very low loss can withstand uncountable number matings what its worth standard items installations Electrostreakagain Last months column detailed what very useful modifica tion Great Planes Electrostreaka hatch stallation month have another photo other assembly modification photo portion wing structure shows solid ribs Great Planes very weight conscious Electric designs PT J3 including having punchout portions wing ribs See photo PT Electric struc ture MA March 1989 So building Streak meticulously following highly de tailed instruction manual duly punched out lightening holes die-cut ribs tossed em trash got wondering wondered just much punchouts weighed Yeah dug through trash Found em too Something like 28 pieces grand total weight TRAINERFOAMAIRE SPAN Afl95 SPAN 74 WEIGHT 2 lbs 3 CH iWEIGHT 65-75 lbs POWER 0 cc A95 POWER 0 3 4 CHANNEL4CHutFOUR CHANNEL MONARCH SPAN EIGHT 2 lbs $1A 95 POWER 0 cc EY FOUR CHANNEL 158 Model Aviation CALL OR WRITE FOR FREE INFO4.-RT 1 NEODESHA KS 66757 ON SAC KITS AND QUADRA PRICES___316 325-2821 FREE SHIPPING ON KIT ORDERVISA MASTERCARD ACCEPTED
Edition: Model Aviation - 1989/06
Page Numbers: 46, 47, 48, 49, 157, 158
4 EARLY BIRDS Back December 1987 col umn photos three-view drawing 1935 Hangar 13 model also presented overview early typical club Beloit WI its teaders Now have given opportunity add interesting piece modeling history Bill Bates now resides Glen Mills PA 4-In recently corresponded included Olam following third-person account DOUGLAS HARDWARE GAS MODELi 934 Designed Built Flown Bill Bates Al Helm Frsnlc Ross Original Engine Loutrel Donated Douglas Hardware Janeaville Wisconsin Drawing W Bates 2-348 wing Rib Typical Cross Section Cabin Area Fuselage wing Shown Fiat98-In Span zzzzIz Stabilizer RibsTip E3RGE UIEBAUER FRANK eering project Douglas Hardware Job 1934/35 believed first Gas model built flown state Wisconsin Photo L shows original uncovered model sat Bill Bates back yard 34 Photo right shows some Hangar No 13 Club members models first taxi test restored model sits today AMA Museum Reston VA 46 Model Aviation Radio Conoi Old-turners Dr DB Mathews 9O N Maize Rd Thwnhouse 734 Wichita KS 67212 BEFORE start off something Id/ike get off chest love readers love get letters However reader asks something necessitates making reply sure would appreciate it would dude SASEor least return postage lieve tell lam getting rich writing bimonthly column labor love Spending quarter post age stamp wont break mebut get lots let ters adds up Gimme break folks other thing write please dont send letter Model Avia tion editorial offices Virginia just means have fotward home Wich ita KS takes additional time effort somebodys part Send things directly address given logo area top column BILL LAT1S ThFFA12in TAXTTESTS-195 remains wing panel jigged building board restoration Leading edge facing camera Back 1932 model airplane club orga nized Beloit WI Originally 13 members led name club Han gar #13 club became junior chapter National Aeronautic Association NAA 1935 NAA predecessor AMA Dur ing period Bill Bates now member Salem club president Conrad Hansen now Dayton OH club advisor Bills license time NAA 2026 club met twice month YMCA its dues 10g right after de pression 1929 money still tight der conserve limited resources building ma terials like balsa Ambroid cement banana oil tissue silk rubber music wire airplane dope purchased club bulk mail order dispensed free members normal projects Large amounts say Gas model supplied cost club meetings actually building ses sions older members teaching help ing younger members lots com petition within club clubs sur rounding areas Several members attended Na tionals During 1934-35 time period Bill Bates club buddies Frank Ross deceased Al Heim now Kansas City MO designed built flew what believed first gasoline-engine-powered model state Wisconsin referred Douglas Hardware Job because trio either dividually group could afford engine $15 Douglas Hardware store Nearby Janesville WI agreed supply funds designers/builders would put stores name wingand original engine Loutrel prede cessor somewhat cruder GHQ engine came along later best engine the laminated balsa wheels rather complex wire landing gear time renowned Brown Jr used Max well Bassett Philadelphiabut $2150 out reach Continued page 48 June 1989 47 Remains wings after sitting attic horizontal stabilizer before restoration about 45 yearsl Heres what nose model looked like before restoration began Label glued firewall reads F Ross W Bates Helm Scene atop workbench Jack Glassens workshop 1985 Heres rear mounting bracket shock-absorbing landing gear igni tion systems On/Off knife switch just above fuselage wasnt such bad shape ex cept some missing access doors Restored Douglas Hardware Job Hangar No 13 Club 52nd-year reunion Beloit WI September 1987 Folks L-R Jackie Glassen Elwin Lindsley restored model Al Helm Weather bit too windy risk flight priceless antique Bill Bates restored model AMA Museum November1987 restoration photos month taken Elwin Lindsley Stores Four Aircraft Setups Includes Seven Different Servo Configurations Individual Surface Travel Limits Centering Single Switch Presets Launch Speed Modes Full Trailing Edge Control Enhanced Mixing Functions Crow Landing Capability * User Selectable Cross Trim Capability * Flap Stick Reversing * Elevator Camber VTR * Automatic Selection High Ail Rudder Mixing Launch Landing Modes * New Feature Fully installed kit Control Systems Laboratories 238 5 Hillview Dr Milpitas CA 95035 408 946-4142 Airtronk~ Module 75P IM registered trademarks Aixtronics Inc NEW FEATURES ADDED! ATRCSTM Advanced Technology Radio Control Systeni Works standard FM/PPM Receivers AirtronicsTh PCM Receivers Converts Module 75P advanced computerized control system 100 VTR1 Elevator Camber % 1/71/ I/7W 0 070 100 Elevator Stick Position % occasion during winter 1935 Bill Al along fellow club member Elwin Lindsley now retired Senior Engineering Ed iter Popular Science magazine managed g balky Loutrel fired up Beloit city golf course off went DH nice flight engine almost always quit after short runbut day Bill Al started legging after plane finally crossed nearby frozen Rock River Meanwhile Elwin drove fathers car around about over bridge guessed Bill broke through ice lucky enough able crawl out alone Al stayed back fear making matters worse Dripping wet water freezing Bill made far side just Elwin came along river road car heater car saved day good thing Elwin found temperature well below freezing plane later found good shape nearby country club golf course Lucky right two golf courses area Douglas Hardware plane cabin job 8-ft wingspan polydihedral fea ture made popular days Maxwell Bas sett wing Clark Y airfoil built-up ribs main box spar truss-type rear spar built three sections joined dowel joints cabin-type fuselage remi niscent early Bellanca full-scale designs 52/2 long 9 deep cabin 6 wide Boy room no radio Weight about 5 lb 1940 Douglas Hardware job bas ket case remains left care Jackie Glassen Madison WI Bills young modeling proteges state Jun ior Gas model champion 1939 Following 49th-year reunion Hangar #13 1984 Bill learned Jackie still plane attic piecessans engine Knowing Hangar #13 going have other reunion Beloit WI 1987 con vinced Elwin lived close Delafield WI restored Douglas Hardware Job would make nice attraction next reunion did take much convincing original remainsabout 90% complete picked up Bill during visit Wis consin 1985 delivered Elwin com pleted difficult restoration just time 52nd-year reunion September 1987 funfly just before banquet held under windy conditions big black-and-orange plane kept ground borrowed Brown Jr engine fired up During banquet attended 74 people Bill visited AMA Executive Vice President Jim McNeill resulted Jim leaving banquet plane car heading AMA museum Reston VA plane now has permanent resting place equipped Brown Jr engine museums col lection Bill visited museum November 9 1987 took several pictures half-centuryold plane sitting proudly table alongside old Comet Zipper its wings left off order show interior structure Its good company likes KG-l flown 1933 Nationals Bill says AMA HQ museum very interesting place visit its tasteful displays thousands models engines radios etc Anyone interested model airplanes would enjoy spending few hours museum three hours Glen Mills PARMcM just outside Washington DC might make good excuse group visit club members AMA peo ple facility extremely warm friendly interesting note three designers/builders old ship later went graduate University Wisconsin engineering degrees Bill spent 42 years aerospace industry Curtiss-Wright Boeing Vertol before retiring 1982 Flwin graduated Parks Air College degree aeronau tical engineering also has A&E license author several books latest Service Repair Small Gas Engines restoration remaining pieces Douglas Hardware Job magnificent project evident photos As Bates men48 Model Aviation IICLU DES t & 6 trnerprises ializing Vacuum Formed Helicopter Fuselages er Inquiries Invited II Available Local Dealer Call Direct L 23015 Del Lago #8-2 Laguna Hills CA 92653 our OrderinglTvlessage Recorder 714 859-2030J Coal ourorium asoy Geourid 90 thoust Hoe irigt poksh firiahed Socket cop screws includec DRUID AND TAPPED F0 #JT-20 Os MAX PS 40 Undrilled 2040 . 800 44HPVT21 1000 #J-42ENYA35-404C4000ross #JT-43SAITO FA 40-4540002030 #JT-44OS MAX FS 401000 #JT-45SAITO FA 40-451000 #JT-46ENYA464C4000 #JT-49HPVT491200 #JT-60Undrilled 60-901100 #Jb6IOSMAXFA6I1300 #JT-62OSMAXFS6O-75-901100 Jr #JT64ENVA 60-80-90-429404300 #JT-65SAITO FA 4300 #JT-120 Undrilled 1201600 #JT-121 ENYAR 120 PC2000 #JT-1220SMAXP51202000 #JT-123 SAITO PA 120.2000 Jr404 19-40 4950 00 2550 #JT-125 Suoer Tlare 25-3000 2000s sao GIANT ENGINE MUFFLERS Marched engine Tori pipe esleraicos mwsf log oIta ncludd AMo ATLAS 46 BULLY COBRA KAWASAKI KI SUPER TIGP JT-104 ALl5 100 2730 jr-na Z5NOAH 035 2750J4 Jr-w4 OPEIGIIT 880101 1950 -a0345-000030I CMOUNT MUFFLERSJT4OT - 75-aoo.oPITTS CAP 21 CESSNA 1O etc 40-00 -403 40 50 -40345-40 2050 MARhoaseaddi5OfsrUP52490 -903 75-2050o OCYaQI5AMCOrCO0j90 COO FREE CA TALOG 2750 MOOA 50 MAO 25 UtN7 2750 000 TASIANfl 0000 ENGINE TESTING STANDS Coos Aluminum l restrooms No Jr rss aiont 50 1120 23 2990 NO Jr 55 go I2A 040 290 tions Elwin Lindsley also retired Senior Engineering Editor Popular Science Oddly recently answered letter Elwin enquiring Ken Willard mentioned recent Great Missouri Sock Soak article Janu ary 1989 MA could possibly same Ken un der studied meteorology Parks Air College 1940 answer course yes world continues shrink Elwin Lindoleys report restora tion Douglas Hardware Job first time saw DH Gas Job built Bill Bates Alfred Heim late Frank Ross Hangar #13 Club bit WI bright cold winters day probably 1936 Suffice say splendid gleaming example its builders crafts manship bitter day man aged breathe life Loutrel engine day DH flew well high stablebut too far no engine timer first Gas model state Wisconsin second time saw DH over 50 years later Bill Bates removed remains car trunk sad sorry group pieces hung together tattered bits aged silk its wings shattered pieces sections its rudder missing Obviously least flight gone poorly front right engine mount section fuselage totally crushed Restoring DH would clearly challenge beginning set up several ob jectives would costs attempt retain authentic ity though some obvious tempting shortcuts could have made new wing ribs sheet balsa example rather producing rib jig assembling bits pieces %2-sq balsa DH well cleverly constructed designedbut also complex would try best bring DH back airworthy status True could never certain integrity thousands existing glue joints original structure appeared remarkably solid considering 50-year-old glue Some however popped loose slight est tweak Third would attempt regain aerodynamic alignment though existing sur faces warped twisted degree complete Thus approached DH restoration ex actly would similar job full-size air craft Id eventually sign off A&P number 72824-41 procedure fol lows Complete strip-down old silk covering cleaning structure much possible its 50-year accumulation dirt oil Assessment structural damage fuse lage up firewall fair shape exception some missing access doors area forward firewall badly crushed oil-rotted profile retained port side engine bearer Both wings lacked substantial number built-up ribs significant spar damage some spar sections missing large por tion leading edge wing totally gone brittle nature old leading edge posed problems since least touch caused cracking broke areas back relatively solid wood wings two outer sections cen ter section assembled means hard wood dowels inserted aluminum sleeves bed ded spars dowels broken off down sleeves impossible re move drilling out eventually necessary remove sleeves highspeed burr after rebuilding wings jig three sections lO-ft-long flat surface new dowels place reglue sleeves Situ Most wing repairs made after jigging surfaces flat building board using 101 scarf joints extend original spans Alignment flatness reestablished during repair during replacement diago nal inner wing drag antidrag braces new rudder drawn constructed reference photos taken original structure Thirties nose engine bearer structure re built spliced-in members carried back solid woodContinued page 157 THERMAL CHARGER what looking electric sailplane good looks easy build fun fly great performance Thermal Charger Wing Span Wing Area Motor Included 60 Inches 545 Sq Inches Leisure 05 Electric fl3 PRECISION PRODUCTS INC 714 592-5144 510 E Arrow Highway San Dimas CA 91773 June 1989 49 ovollable hobby shop ORDER DIRECT los return UPS shipment mrg John rarone Co UIIIVERSAL IN-COWL AIRCRAFT MUFFLERS 1 94045-6075-1 3 engines Most versatile mufflers ever offered Designed fit inside cowls limited space can also used HELICQPTERS BOATS o For UPRIGHT INVERTED SlDt mounted engineu txhaust tubes point almost direction Worm drive clamp universal mounting dIn h hrslto-l dirtiv th snobs 504505i081 ininin C/L New R/C HANGAR rn CATALOG IKits OR Plans Innovative Inexpensive Quick&Easy Build HORNET 074 Order yours today QUICK & LIVELY SPORT BIPLARE GREAT FOR SMALL FSELIlS Designed new Cnn 074 Queen See enganel SEND 2 Spenificatinona Wing Spurn 2h Oang Area 275 Sq Length 25 Loading 13 SzSq Pt Weoght 1112 Lb Radio iChannel micro servos Experience aileron trainer qoalofoes yoo tn pilot sleek nk inn airplane Sisple dorahie rentangular 2spar hd noons sheeted box type 0 oselage solid tail surfaces pretot aAA balsa ply tollsize illostrated plana STANGEL ENTERPRISES ostb tooplete instroc non ha dna e pa baghtP 0 BC 36 M MEMBER0 AC LPlunn S4995 01350 ShlI Plan ySSe 95 $150 SSHWAUKESHA WSCONON5 bAMJ tively uncommon sizes /32 hard alu minum sheet landing gear stock small 00-90 0-80 hex screws nuts small 00 1 2 wood screws practi cally everything else available hobby shop worry can ordered National Trea sure Scratch Builders Sig Manufactur ing Company Youll also need small nut-drivers screwdrivers use 21-piece tool set sold Polks Model Craft Hobbies Micro-Mark shown ads fine little tools Scale model builders very reasonable price Whether sound Longsters model four-cycle engine conjures memories favorite full-size airplanes have known flownor merely sounds like model four-cycle enginewith its steady flying habits hybrid lightplane/antique sure please Just remem ber winds blow Longster better go Radio Technique/Myers Continued page 39 jects 23-channel problem AND two adjacent-channel problems exist wideband 5C455 receiver Thats Bob Aberle chose identify dual-conversion narrow-band receiver 1991 receiver Note above refers AM FM Theres no difference between far interference type concerned Larry Sribnick has done again Larry friend firm SR Batteries Inc Box 287 Bellport NY 11713 phone 516/2860079 FAX 516/286-0901 now marketing tool kit consists screwdriver-type han dle ratchet handle assortment /a-in hex-shaft tool bits will also fit electric screwdriver whole shebang comes snaplocked bright yellow plastic case sells $2695 plus $3 shipping handling tool bits fit No 1 2 Phillips-head screws /l6 slotted screws 12 sizes English hex keys 050 through 5/lb six sizes metric hex keys 15mm through 5mm adapter Ia-in square-drive sockets components hardened blackened resist rust except ratchet handle stainless steel screw driver handle plastic tool bits have spring-loaded balls lock place An added setscrew socket screwdriver handle insures wont losing tool bits inside model per feet item tool kit can handle things like wheel collars engine mount bolts etc got set immdediately filed two tabs off screwdriver shaft can slip ratchet handle thereon case need give lit tle extra urge stuck screws Should happen damage tool bit replacements available $1 SR Batteries RC Battle/Good Continued page 45 approved five new 72 MHz channels close 3-to-2 decision two Commission ers absent disconcerting dissenting Commissioners opined RC pears essentially triv ial use does warrant allocation spectrum space Caustic words hairbreadth voting coupled disparaging minority opinion might have undercut optimism about course future battles FCC except Courtneys shrewd analysis counsel explained Commissioners votes di vided sharply according respective years service three favor AMA proposal served 12 15 21 years respectively two voted against three years respective tenure caution ary experience Courtneys view confirmed importance continu ally educating public officials about RC hobby would well heed re minder RC Old-Timers/Mathews Continued page 49 original ignition wiring remained consisted mid-Thirties-type automotive acces sory wire totally deteriorated insulation cracked touch re placed unique double-pole double-throw knife-blade switch disassembled cleaned corrosion buffed installed although its used its original location Although laminated balsa wheels re moved sanded tire area repainted THE LEADER IN COMPETITION NEW 4[L#L SERIES 100 THP DESIGN \ /DIAPRICE 15 16 NEW PRO SERIES 3 \ / i S NEW NIGH TECH AIRFOIL SECTION 10T0200/oINCREASE IN THRUST MFG OF SELECT HARD MAPLE WOOD WILL NOT FATIGUE LIKE SYNTHETICS FUELPROOFHIGH LUSTER FINISH DIAPITCH PRICE 534 634 72633456 6334568 645667 9456677/ 104566A7 106W6W 106EW 114677 7 7 46 ii5W ii6EW 1167 124W 12SW 1256 1356 1456 1556 164/N 16678 RC PYLON RACING SERIES 500 DIA PITCHPRICE 75N 5/N 6I 67/,78 SERIES 400C 9777Io W WIDE BLADE EW EXTRA WIDE N NARROW PROPELLERS TAILORED HELICAL PITCH DEVELOPEDTOGIVE MAXIMUM THRUST AT 4 CYCLE ENGINE RPM ALL THE LATEST TECHNIQUES USED ON OUR PRO SERIES 3 SEE BELOW PITCH THP 66 77 /6 677 6 677 8 67 676 June 1989 157 GATOR RIC PRODUCTS DELUX ALL BALSA KIT An new Tiger Tail 120 four strokes piped 60 two strokes beautiful performer competition just showing offl balsa kit machined wood parts complete hardware package includes plug-in djustable stab parts new wing mounts Wing Span -72 InWing Area 860 sq Complete Delus KitSi 5995 TRANSMITTER CASE An inexpensive rugged molded case protect expensive transmitter both two stick single stick transmitters Black leather grain aluminum trim locking clasp S 1995 MV-i TYPHOON New F3A competition Big beautiful flyer balsa construction plug-in wings 120 four stroke 60 two stroke power Plans-two sheetsS1495 Fiberglass cowlSi 895 Clear butyrate canopy 5 OTHER PLANS Tiger Tail 4S-two sheets 120 four strokes S 1495 TAR baby 120 four strokes S 1195 Alley Kat 40 size trainer sport S B95 Gator Flea 40 size sport S 895 Bobcat 40 size sport S 895 GATOR SOFT MOUNTS COMPLETE SOFT MOUNTS INCLUDES ALL HARDWARE Optimized lowest vibration transmission airframe minimizing engine shake Available YS-60 OS-6051495 SOFT MOUNT COMPONENTS 4-lug Mounting Plate 606 I-T-6 black anodized Undrilled Drilled YS60 OS-60. S695 Rubber Iso-Mounts 518 diameter 112 long 8-32 female end 8-32 x 112 male other end Specify soft 50 durometeryelIow firm 60 durometer-purple Each. S3OOPkg 014 5995 feather Ilte glass cloth 7 ozsq yd est weave Fastest Filling est Finished Weight Big 3 Sq Yard Pkg Detailed Instructions $895 Include S2 SOiltem UPS esidents Add 6% Sales Tax GATOR RIC PRODUCTS 3713 Pompano Dr acola FL 32514 476-8639 original landing gear left intact slightly bent Recovering refinishing done conventional manner Koverall fabric ni trate dope foregoing rather superfcial relating basic restoration steps necessarily omits host interesting details about Construction pioneer Gas model Plainly designers/builders drew heavily upon own judgement engineering skills fact DH flew flew well survived over half century testimonial abili ties August column will feature new Douglas Hardware model constructed master crafts man Ralph Beck also built Hangar 13 Special featured December 1987 issue cant wait Ralphs address RR #2 Box 131 Beloit WI 53511 can likely help truly interested person obtain working drawings Did know Joe Butler Granbury TX recently sent photos Ole Reliable fea tured construction article June 1978 sue MA available Full-Size Plan No 225$425 Smog Hog airfoil section letter called attention wild piece other model magazine accompanied construction article new Old-Timer hav ing wing loading 15 oz/sq ft protect author quote source Most us old geezers know prop erly balance aircraft However benefit new modelers following method use Mark underside wing next cabin windows dot corresponding CG position shown plans Place index fingers dots lift aircraft aircroft balanced hangs slightly 100 120 nose down Emphasis added Son gun years thought meant model nose-heavy truly age enlightenment RC Electrics/Kopski Continued page 51 tardly deed Wet-powered Amptique read right Howell Wet-powered Amp tique calls OStique Mercy What world coming What can say about Modeling funand doesnt really mat ter get need now someone send photo rubber-powered Amptique Lets see what might name about Elastique Some new connectors available CS Flight Systems Middleboro MA see ad rather small gold-plated tubular-pinand-socket-type parts solder cup accept up 15-gauge wire may very useful crowded installations insulated heat-shrink tubing supplied go $3 pair Id like point out CS has con stantly expanding discount catalog Electric goodies including connectors suggest invest two bucks Youll easily re cover cost first order subject connectors Id like also mention Sermos line has ad dition color addition familiar red black less familiar orange green white blue yellow John Sermos tells has now added grey gray Whatever less familiar colors available Sermos direct suggest check out ad issue Red black routinely available suppliers includ ing CS way John tells contacts product line specially made him contacts extra heavily plated silver result have very low loss can withstand uncountable number matings what its worth standard items installations Electrostreakagain Last months column detailed what very useful modifica tion Great Planes Electrostreaka hatch stallation month have another photo other assembly modification photo portion wing structure shows solid ribs Great Planes very weight conscious Electric designs PT J3 including having punchout portions wing ribs See photo PT Electric struc ture MA March 1989 So building Streak meticulously following highly de tailed instruction manual duly punched out lightening holes die-cut ribs tossed em trash got wondering wondered just much punchouts weighed Yeah dug through trash Found em too Something like 28 pieces grand total weight TRAINERFOAMAIRE SPAN Afl95 SPAN 74 WEIGHT 2 lbs 3 CH iWEIGHT 65-75 lbs POWER 0 cc A95 POWER 0 3 4 CHANNEL4CHutFOUR CHANNEL MONARCH SPAN EIGHT 2 lbs $1A 95 POWER 0 cc EY FOUR CHANNEL 158 Model Aviation CALL OR WRITE FOR FREE INFO4.-RT 1 NEODESHA KS 66757 ON SAC KITS AND QUADRA PRICES___316 325-2821 FREE SHIPPING ON KIT ORDERVISA MASTERCARD ACCEPTED
Edition: Model Aviation - 1989/06
Page Numbers: 46, 47, 48, 49, 157, 158
4 EARLY BIRDS Back December 1987 col umn photos three-view drawing 1935 Hangar 13 model also presented overview early typical club Beloit WI its teaders Now have given opportunity add interesting piece modeling history Bill Bates now resides Glen Mills PA 4-In recently corresponded included Olam following third-person account DOUGLAS HARDWARE GAS MODELi 934 Designed Built Flown Bill Bates Al Helm Frsnlc Ross Original Engine Loutrel Donated Douglas Hardware Janeaville Wisconsin Drawing W Bates 2-348 wing Rib Typical Cross Section Cabin Area Fuselage wing Shown Fiat98-In Span zzzzIz Stabilizer RibsTip E3RGE UIEBAUER FRANK eering project Douglas Hardware Job 1934/35 believed first Gas model built flown state Wisconsin Photo L shows original uncovered model sat Bill Bates back yard 34 Photo right shows some Hangar No 13 Club members models first taxi test restored model sits today AMA Museum Reston VA 46 Model Aviation Radio Conoi Old-turners Dr DB Mathews 9O N Maize Rd Thwnhouse 734 Wichita KS 67212 BEFORE start off something Id/ike get off chest love readers love get letters However reader asks something necessitates making reply sure would appreciate it would dude SASEor least return postage lieve tell lam getting rich writing bimonthly column labor love Spending quarter post age stamp wont break mebut get lots let ters adds up Gimme break folks other thing write please dont send letter Model Avia tion editorial offices Virginia just means have fotward home Wich ita KS takes additional time effort somebodys part Send things directly address given logo area top column BILL LAT1S ThFFA12in TAXTTESTS-195 remains wing panel jigged building board restoration Leading edge facing camera Back 1932 model airplane club orga nized Beloit WI Originally 13 members led name club Han gar #13 club became junior chapter National Aeronautic Association NAA 1935 NAA predecessor AMA Dur ing period Bill Bates now member Salem club president Conrad Hansen now Dayton OH club advisor Bills license time NAA 2026 club met twice month YMCA its dues 10g right after de pression 1929 money still tight der conserve limited resources building ma terials like balsa Ambroid cement banana oil tissue silk rubber music wire airplane dope purchased club bulk mail order dispensed free members normal projects Large amounts say Gas model supplied cost club meetings actually building ses sions older members teaching help ing younger members lots com petition within club clubs sur rounding areas Several members attended Na tionals During 1934-35 time period Bill Bates club buddies Frank Ross deceased Al Heim now Kansas City MO designed built flew what believed first gasoline-engine-powered model state Wisconsin referred Douglas Hardware Job because trio either dividually group could afford engine $15 Douglas Hardware store Nearby Janesville WI agreed supply funds designers/builders would put stores name wingand original engine Loutrel prede cessor somewhat cruder GHQ engine came along later best engine the laminated balsa wheels rather complex wire landing gear time renowned Brown Jr used Max well Bassett Philadelphiabut $2150 out reach Continued page 48 June 1989 47 Remains wings after sitting attic horizontal stabilizer before restoration about 45 yearsl Heres what nose model looked like before restoration began Label glued firewall reads F Ross W Bates Helm Scene atop workbench Jack Glassens workshop 1985 Heres rear mounting bracket shock-absorbing landing gear igni tion systems On/Off knife switch just above fuselage wasnt such bad shape ex cept some missing access doors Restored Douglas Hardware Job Hangar No 13 Club 52nd-year reunion Beloit WI September 1987 Folks L-R Jackie Glassen Elwin Lindsley restored model Al Helm Weather bit too windy risk flight priceless antique Bill Bates restored model AMA Museum November1987 restoration photos month taken Elwin Lindsley Stores Four Aircraft Setups Includes Seven Different Servo Configurations Individual Surface Travel Limits Centering Single Switch Presets Launch Speed Modes Full Trailing Edge Control Enhanced Mixing Functions Crow Landing Capability * User Selectable Cross Trim Capability * Flap Stick Reversing * Elevator Camber VTR * Automatic Selection High Ail Rudder Mixing Launch Landing Modes * New Feature Fully installed kit Control Systems Laboratories 238 5 Hillview Dr Milpitas CA 95035 408 946-4142 Airtronk~ Module 75P IM registered trademarks Aixtronics Inc NEW FEATURES ADDED! ATRCSTM Advanced Technology Radio Control Systeni Works standard FM/PPM Receivers AirtronicsTh PCM Receivers Converts Module 75P advanced computerized control system 100 VTR1 Elevator Camber % 1/71/ I/7W 0 070 100 Elevator Stick Position % occasion during winter 1935 Bill Al along fellow club member Elwin Lindsley now retired Senior Engineering Ed iter Popular Science magazine managed g balky Loutrel fired up Beloit city golf course off went DH nice flight engine almost always quit after short runbut day Bill Al started legging after plane finally crossed nearby frozen Rock River Meanwhile Elwin drove fathers car around about over bridge guessed Bill broke through ice lucky enough able crawl out alone Al stayed back fear making matters worse Dripping wet water freezing Bill made far side just Elwin came along river road car heater car saved day good thing Elwin found temperature well below freezing plane later found good shape nearby country club golf course Lucky right two golf courses area Douglas Hardware plane cabin job 8-ft wingspan polydihedral fea ture made popular days Maxwell Bas sett wing Clark Y airfoil built-up ribs main box spar truss-type rear spar built three sections joined dowel joints cabin-type fuselage remi niscent early Bellanca full-scale designs 52/2 long 9 deep cabin 6 wide Boy room no radio Weight about 5 lb 1940 Douglas Hardware job bas ket case remains left care Jackie Glassen Madison WI Bills young modeling proteges state Jun ior Gas model champion 1939 Following 49th-year reunion Hangar #13 1984 Bill learned Jackie still plane attic piecessans engine Knowing Hangar #13 going have other reunion Beloit WI 1987 con vinced Elwin lived close Delafield WI restored Douglas Hardware Job would make nice attraction next reunion did take much convincing original remainsabout 90% complete picked up Bill during visit Wis consin 1985 delivered Elwin com pleted difficult restoration just time 52nd-year reunion September 1987 funfly just before banquet held under windy conditions big black-and-orange plane kept ground borrowed Brown Jr engine fired up During banquet attended 74 people Bill visited AMA Executive Vice President Jim McNeill resulted Jim leaving banquet plane car heading AMA museum Reston VA plane now has permanent resting place equipped Brown Jr engine museums col lection Bill visited museum November 9 1987 took several pictures half-centuryold plane sitting proudly table alongside old Comet Zipper its wings left off order show interior structure Its good company likes KG-l flown 1933 Nationals Bill says AMA HQ museum very interesting place visit its tasteful displays thousands models engines radios etc Anyone interested model airplanes would enjoy spending few hours museum three hours Glen Mills PARMcM just outside Washington DC might make good excuse group visit club members AMA peo ple facility extremely warm friendly interesting note three designers/builders old ship later went graduate University Wisconsin engineering degrees Bill spent 42 years aerospace industry Curtiss-Wright Boeing Vertol before retiring 1982 Flwin graduated Parks Air College degree aeronau tical engineering also has A&E license author several books latest Service Repair Small Gas Engines restoration remaining pieces Douglas Hardware Job magnificent project evident photos As Bates men48 Model Aviation IICLU DES t & 6 trnerprises ializing Vacuum Formed Helicopter Fuselages er Inquiries Invited II Available Local Dealer Call Direct L 23015 Del Lago #8-2 Laguna Hills CA 92653 our OrderinglTvlessage Recorder 714 859-2030J Coal ourorium asoy Geourid 90 thoust Hoe irigt poksh firiahed Socket cop screws includec DRUID AND TAPPED F0 #JT-20 Os MAX PS 40 Undrilled 2040 . 800 44HPVT21 1000 #J-42ENYA35-404C4000ross #JT-43SAITO FA 40-4540002030 #JT-44OS MAX FS 401000 #JT-45SAITO FA 40-451000 #JT-46ENYA464C4000 #JT-49HPVT491200 #JT-60Undrilled 60-901100 #Jb6IOSMAXFA6I1300 #JT-62OSMAXFS6O-75-901100 Jr #JT64ENVA 60-80-90-429404300 #JT-65SAITO FA 4300 #JT-120 Undrilled 1201600 #JT-121 ENYAR 120 PC2000 #JT-1220SMAXP51202000 #JT-123 SAITO PA 120.2000 Jr404 19-40 4950 00 2550 #JT-125 Suoer Tlare 25-3000 2000s sao GIANT ENGINE MUFFLERS Marched engine Tori pipe esleraicos mwsf log oIta ncludd AMo ATLAS 46 BULLY COBRA KAWASAKI KI SUPER TIGP JT-104 ALl5 100 2730 jr-na Z5NOAH 035 2750J4 Jr-w4 OPEIGIIT 880101 1950 -a0345-000030I CMOUNT MUFFLERSJT4OT - 75-aoo.oPITTS CAP 21 CESSNA 1O etc 40-00 -403 40 50 -40345-40 2050 MARhoaseaddi5OfsrUP52490 -903 75-2050o OCYaQI5AMCOrCO0j90 COO FREE CA TALOG 2750 MOOA 50 MAO 25 UtN7 2750 000 TASIANfl 0000 ENGINE TESTING STANDS Coos Aluminum l restrooms No Jr rss aiont 50 1120 23 2990 NO Jr 55 go I2A 040 290 tions Elwin Lindsley also retired Senior Engineering Editor Popular Science Oddly recently answered letter Elwin enquiring Ken Willard mentioned recent Great Missouri Sock Soak article Janu ary 1989 MA could possibly same Ken un der studied meteorology Parks Air College 1940 answer course yes world continues shrink Elwin Lindoleys report restora tion Douglas Hardware Job first time saw DH Gas Job built Bill Bates Alfred Heim late Frank Ross Hangar #13 Club bit WI bright cold winters day probably 1936 Suffice say splendid gleaming example its builders crafts manship bitter day man aged breathe life Loutrel engine day DH flew well high stablebut too far no engine timer first Gas model state Wisconsin second time saw DH over 50 years later Bill Bates removed remains car trunk sad sorry group pieces hung together tattered bits aged silk its wings shattered pieces sections its rudder missing Obviously least flight gone poorly front right engine mount section fuselage totally crushed Restoring DH would clearly challenge beginning set up several ob jectives would costs attempt retain authentic ity though some obvious tempting shortcuts could have made new wing ribs sheet balsa example rather producing rib jig assembling bits pieces %2-sq balsa DH well cleverly constructed designedbut also complex would try best bring DH back airworthy status True could never certain integrity thousands existing glue joints original structure appeared remarkably solid considering 50-year-old glue Some however popped loose slight est tweak Third would attempt regain aerodynamic alignment though existing sur faces warped twisted degree complete Thus approached DH restoration ex actly would similar job full-size air craft Id eventually sign off A&P number 72824-41 procedure fol lows Complete strip-down old silk covering cleaning structure much possible its 50-year accumulation dirt oil Assessment structural damage fuse lage up firewall fair shape exception some missing access doors area forward firewall badly crushed oil-rotted profile retained port side engine bearer Both wings lacked substantial number built-up ribs significant spar damage some spar sections missing large por tion leading edge wing totally gone brittle nature old leading edge posed problems since least touch caused cracking broke areas back relatively solid wood wings two outer sections cen ter section assembled means hard wood dowels inserted aluminum sleeves bed ded spars dowels broken off down sleeves impossible re move drilling out eventually necessary remove sleeves highspeed burr after rebuilding wings jig three sections lO-ft-long flat surface new dowels place reglue sleeves Situ Most wing repairs made after jigging surfaces flat building board using 101 scarf joints extend original spans Alignment flatness reestablished during repair during replacement diago nal inner wing drag antidrag braces new rudder drawn constructed reference photos taken original structure Thirties nose engine bearer structure re built spliced-in members carried back solid woodContinued page 157 THERMAL CHARGER what looking electric sailplane good looks easy build fun fly great performance Thermal Charger Wing Span Wing Area Motor Included 60 Inches 545 Sq Inches Leisure 05 Electric fl3 PRECISION PRODUCTS INC 714 592-5144 510 E Arrow Highway San Dimas CA 91773 June 1989 49 ovollable hobby shop ORDER DIRECT los return UPS shipment mrg John rarone Co UIIIVERSAL IN-COWL AIRCRAFT MUFFLERS 1 94045-6075-1 3 engines Most versatile mufflers ever offered Designed fit inside cowls limited space can also used HELICQPTERS BOATS o For UPRIGHT INVERTED SlDt mounted engineu txhaust tubes point almost direction Worm drive clamp universal mounting dIn h hrslto-l dirtiv th snobs 504505i081 ininin C/L New R/C HANGAR rn CATALOG IKits OR Plans Innovative Inexpensive Quick&Easy Build HORNET 074 Order yours today QUICK & LIVELY SPORT BIPLARE GREAT FOR SMALL FSELIlS Designed new Cnn 074 Queen See enganel SEND 2 Spenificatinona Wing Spurn 2h Oang Area 275 Sq Length 25 Loading 13 SzSq Pt Weoght 1112 Lb Radio iChannel micro servos Experience aileron trainer qoalofoes yoo tn pilot sleek nk inn airplane Sisple dorahie rentangular 2spar hd noons sheeted box type 0 oselage solid tail surfaces pretot aAA balsa ply tollsize illostrated plana STANGEL ENTERPRISES ostb tooplete instroc non ha dna e pa baghtP 0 BC 36 M MEMBER0 AC LPlunn S4995 01350 ShlI Plan ySSe 95 $150 SSHWAUKESHA WSCONON5 bAMJ tively uncommon sizes /32 hard alu minum sheet landing gear stock small 00-90 0-80 hex screws nuts small 00 1 2 wood screws practi cally everything else available hobby shop worry can ordered National Trea sure Scratch Builders Sig Manufactur ing Company Youll also need small nut-drivers screwdrivers use 21-piece tool set sold Polks Model Craft Hobbies Micro-Mark shown ads fine little tools Scale model builders very reasonable price Whether sound Longsters model four-cycle engine conjures memories favorite full-size airplanes have known flownor merely sounds like model four-cycle enginewith its steady flying habits hybrid lightplane/antique sure please Just remem ber winds blow Longster better go Radio Technique/Myers Continued page 39 jects 23-channel problem AND two adjacent-channel problems exist wideband 5C455 receiver Thats Bob Aberle chose identify dual-conversion narrow-band receiver 1991 receiver Note above refers AM FM Theres no difference between far interference type concerned Larry Sribnick has done again Larry friend firm SR Batteries Inc Box 287 Bellport NY 11713 phone 516/2860079 FAX 516/286-0901 now marketing tool kit consists screwdriver-type han dle ratchet handle assortment /a-in hex-shaft tool bits will also fit electric screwdriver whole shebang comes snaplocked bright yellow plastic case sells $2695 plus $3 shipping handling tool bits fit No 1 2 Phillips-head screws /l6 slotted screws 12 sizes English hex keys 050 through 5/lb six sizes metric hex keys 15mm through 5mm adapter Ia-in square-drive sockets components hardened blackened resist rust except ratchet handle stainless steel screw driver handle plastic tool bits have spring-loaded balls lock place An added setscrew socket screwdriver handle insures wont losing tool bits inside model per feet item tool kit can handle things like wheel collars engine mount bolts etc got set immdediately filed two tabs off screwdriver shaft can slip ratchet handle thereon case need give lit tle extra urge stuck screws Should happen damage tool bit replacements available $1 SR Batteries RC Battle/Good Continued page 45 approved five new 72 MHz channels close 3-to-2 decision two Commission ers absent disconcerting dissenting Commissioners opined RC pears essentially triv ial use does warrant allocation spectrum space Caustic words hairbreadth voting coupled disparaging minority opinion might have undercut optimism about course future battles FCC except Courtneys shrewd analysis counsel explained Commissioners votes di vided sharply according respective years service three favor AMA proposal served 12 15 21 years respectively two voted against three years respective tenure caution ary experience Courtneys view confirmed importance continu ally educating public officials about RC hobby would well heed re minder RC Old-Timers/Mathews Continued page 49 original ignition wiring remained consisted mid-Thirties-type automotive acces sory wire totally deteriorated insulation cracked touch re placed unique double-pole double-throw knife-blade switch disassembled cleaned corrosion buffed installed although its used its original location Although laminated balsa wheels re moved sanded tire area repainted THE LEADER IN COMPETITION NEW 4[L#L SERIES 100 THP DESIGN \ /DIAPRICE 15 16 NEW PRO SERIES 3 \ / i S NEW NIGH TECH AIRFOIL SECTION 10T0200/oINCREASE IN THRUST MFG OF SELECT HARD MAPLE WOOD WILL NOT FATIGUE LIKE SYNTHETICS FUELPROOFHIGH LUSTER FINISH DIAPITCH PRICE 534 634 72633456 6334568 645667 9456677/ 104566A7 106W6W 106EW 114677 7 7 46 ii5W ii6EW 1167 124W 12SW 1256 1356 1456 1556 164/N 16678 RC PYLON RACING SERIES 500 DIA PITCHPRICE 75N 5/N 6I 67/,78 SERIES 400C 9777Io W WIDE BLADE EW EXTRA WIDE N NARROW PROPELLERS TAILORED HELICAL PITCH DEVELOPEDTOGIVE MAXIMUM THRUST AT 4 CYCLE ENGINE RPM ALL THE LATEST TECHNIQUES USED ON OUR PRO SERIES 3 SEE BELOW PITCH THP 66 77 /6 677 6 677 8 67 676 June 1989 157 GATOR RIC PRODUCTS DELUX ALL BALSA KIT An new Tiger Tail 120 four strokes piped 60 two strokes beautiful performer competition just showing offl balsa kit machined wood parts complete hardware package includes plug-in djustable stab parts new wing mounts Wing Span -72 InWing Area 860 sq Complete Delus KitSi 5995 TRANSMITTER CASE An inexpensive rugged molded case protect expensive transmitter both two stick single stick transmitters Black leather grain aluminum trim locking clasp S 1995 MV-i TYPHOON New F3A competition Big beautiful flyer balsa construction plug-in wings 120 four stroke 60 two stroke power Plans-two sheetsS1495 Fiberglass cowlSi 895 Clear butyrate canopy 5 OTHER PLANS Tiger Tail 4S-two sheets 120 four strokes S 1495 TAR baby 120 four strokes S 1195 Alley Kat 40 size trainer sport S B95 Gator Flea 40 size sport S 895 Bobcat 40 size sport S 895 GATOR SOFT MOUNTS COMPLETE SOFT MOUNTS INCLUDES ALL HARDWARE Optimized lowest vibration transmission airframe minimizing engine shake Available YS-60 OS-6051495 SOFT MOUNT COMPONENTS 4-lug Mounting Plate 606 I-T-6 black anodized Undrilled Drilled YS60 OS-60. S695 Rubber Iso-Mounts 518 diameter 112 long 8-32 female end 8-32 x 112 male other end Specify soft 50 durometeryelIow firm 60 durometer-purple Each. S3OOPkg 014 5995 feather Ilte glass cloth 7 ozsq yd est weave Fastest Filling est Finished Weight Big 3 Sq Yard Pkg Detailed Instructions $895 Include S2 SOiltem UPS esidents Add 6% Sales Tax GATOR RIC PRODUCTS 3713 Pompano Dr acola FL 32514 476-8639 original landing gear left intact slightly bent Recovering refinishing done conventional manner Koverall fabric ni trate dope foregoing rather superfcial relating basic restoration steps necessarily omits host interesting details about Construction pioneer Gas model Plainly designers/builders drew heavily upon own judgement engineering skills fact DH flew flew well survived over half century testimonial abili ties August column will feature new Douglas Hardware model constructed master crafts man Ralph Beck also built Hangar 13 Special featured December 1987 issue cant wait Ralphs address RR #2 Box 131 Beloit WI 53511 can likely help truly interested person obtain working drawings Did know Joe Butler Granbury TX recently sent photos Ole Reliable fea tured construction article June 1978 sue MA available Full-Size Plan No 225$425 Smog Hog airfoil section letter called attention wild piece other model magazine accompanied construction article new Old-Timer hav ing wing loading 15 oz/sq ft protect author quote source Most us old geezers know prop erly balance aircraft However benefit new modelers following method use Mark underside wing next cabin windows dot corresponding CG position shown plans Place index fingers dots lift aircraft aircroft balanced hangs slightly 100 120 nose down Emphasis added Son gun years thought meant model nose-heavy truly age enlightenment RC Electrics/Kopski Continued page 51 tardly deed Wet-powered Amptique read right Howell Wet-powered Amp tique calls OStique Mercy What world coming What can say about Modeling funand doesnt really mat ter get need now someone send photo rubber-powered Amptique Lets see what might name about Elastique Some new connectors available CS Flight Systems Middleboro MA see ad rather small gold-plated tubular-pinand-socket-type parts solder cup accept up 15-gauge wire may very useful crowded installations insulated heat-shrink tubing supplied go $3 pair Id like point out CS has con stantly expanding discount catalog Electric goodies including connectors suggest invest two bucks Youll easily re cover cost first order subject connectors Id like also mention Sermos line has ad dition color addition familiar red black less familiar orange green white blue yellow John Sermos tells has now added grey gray Whatever less familiar colors available Sermos direct suggest check out ad issue Red black routinely available suppliers includ ing CS way John tells contacts product line specially made him contacts extra heavily plated silver result have very low loss can withstand uncountable number matings what its worth standard items installations Electrostreakagain Last months column detailed what very useful modifica tion Great Planes Electrostreaka hatch stallation month have another photo other assembly modification photo portion wing structure shows solid ribs Great Planes very weight conscious Electric designs PT J3 including having punchout portions wing ribs See photo PT Electric struc ture MA March 1989 So building Streak meticulously following highly de tailed instruction manual duly punched out lightening holes die-cut ribs tossed em trash got wondering wondered just much punchouts weighed Yeah dug through trash Found em too Something like 28 pieces grand total weight TRAINERFOAMAIRE SPAN Afl95 SPAN 74 WEIGHT 2 lbs 3 CH iWEIGHT 65-75 lbs POWER 0 cc A95 POWER 0 3 4 CHANNEL4CHutFOUR CHANNEL MONARCH SPAN EIGHT 2 lbs $1A 95 POWER 0 cc EY FOUR CHANNEL 158 Model Aviation CALL OR WRITE FOR FREE INFO4.-RT 1 NEODESHA KS 66757 ON SAC KITS AND QUADRA PRICES___316 325-2821 FREE SHIPPING ON KIT ORDERVISA MASTERCARD ACCEPTED
Edition: Model Aviation - 1989/06
Page Numbers: 46, 47, 48, 49, 157, 158
4 EARLY BIRDS Back December 1987 col umn photos three-view drawing 1935 Hangar 13 model also presented overview early typical club Beloit WI its teaders Now have given opportunity add interesting piece modeling history Bill Bates now resides Glen Mills PA 4-In recently corresponded included Olam following third-person account DOUGLAS HARDWARE GAS MODELi 934 Designed Built Flown Bill Bates Al Helm Frsnlc Ross Original Engine Loutrel Donated Douglas Hardware Janeaville Wisconsin Drawing W Bates 2-348 wing Rib Typical Cross Section Cabin Area Fuselage wing Shown Fiat98-In Span zzzzIz Stabilizer RibsTip E3RGE UIEBAUER FRANK eering project Douglas Hardware Job 1934/35 believed first Gas model built flown state Wisconsin Photo L shows original uncovered model sat Bill Bates back yard 34 Photo right shows some Hangar No 13 Club members models first taxi test restored model sits today AMA Museum Reston VA 46 Model Aviation Radio Conoi Old-turners Dr DB Mathews 9O N Maize Rd Thwnhouse 734 Wichita KS 67212 BEFORE start off something Id/ike get off chest love readers love get letters However reader asks something necessitates making reply sure would appreciate it would dude SASEor least return postage lieve tell lam getting rich writing bimonthly column labor love Spending quarter post age stamp wont break mebut get lots let ters adds up Gimme break folks other thing write please dont send letter Model Avia tion editorial offices Virginia just means have fotward home Wich ita KS takes additional time effort somebodys part Send things directly address given logo area top column BILL LAT1S ThFFA12in TAXTTESTS-195 remains wing panel jigged building board restoration Leading edge facing camera Back 1932 model airplane club orga nized Beloit WI Originally 13 members led name club Han gar #13 club became junior chapter National Aeronautic Association NAA 1935 NAA predecessor AMA Dur ing period Bill Bates now member Salem club president Conrad Hansen now Dayton OH club advisor Bills license time NAA 2026 club met twice month YMCA its dues 10g right after de pression 1929 money still tight der conserve limited resources building ma terials like balsa Ambroid cement banana oil tissue silk rubber music wire airplane dope purchased club bulk mail order dispensed free members normal projects Large amounts say Gas model supplied cost club meetings actually building ses sions older members teaching help ing younger members lots com petition within club clubs sur rounding areas Several members attended Na tionals During 1934-35 time period Bill Bates club buddies Frank Ross deceased Al Heim now Kansas City MO designed built flew what believed first gasoline-engine-powered model state Wisconsin referred Douglas Hardware Job because trio either dividually group could afford engine $15 Douglas Hardware store Nearby Janesville WI agreed supply funds designers/builders would put stores name wingand original engine Loutrel prede cessor somewhat cruder GHQ engine came along later best engine the laminated balsa wheels rather complex wire landing gear time renowned Brown Jr used Max well Bassett Philadelphiabut $2150 out reach Continued page 48 June 1989 47 Remains wings after sitting attic horizontal stabilizer before restoration about 45 yearsl Heres what nose model looked like before restoration began Label glued firewall reads F Ross W Bates Helm Scene atop workbench Jack Glassens workshop 1985 Heres rear mounting bracket shock-absorbing landing gear igni tion systems On/Off knife switch just above fuselage wasnt such bad shape ex cept some missing access doors Restored Douglas Hardware Job Hangar No 13 Club 52nd-year reunion Beloit WI September 1987 Folks L-R Jackie Glassen Elwin Lindsley restored model Al Helm Weather bit too windy risk flight priceless antique Bill Bates restored model AMA Museum November1987 restoration photos month taken Elwin Lindsley Stores Four Aircraft Setups Includes Seven Different Servo Configurations Individual Surface Travel Limits Centering Single Switch Presets Launch Speed Modes Full Trailing Edge Control Enhanced Mixing Functions Crow Landing Capability * User Selectable Cross Trim Capability * Flap Stick Reversing * Elevator Camber VTR * Automatic Selection High Ail Rudder Mixing Launch Landing Modes * New Feature Fully installed kit Control Systems Laboratories 238 5 Hillview Dr Milpitas CA 95035 408 946-4142 Airtronk~ Module 75P IM registered trademarks Aixtronics Inc NEW FEATURES ADDED! ATRCSTM Advanced Technology Radio Control Systeni Works standard FM/PPM Receivers AirtronicsTh PCM Receivers Converts Module 75P advanced computerized control system 100 VTR1 Elevator Camber % 1/71/ I/7W 0 070 100 Elevator Stick Position % occasion during winter 1935 Bill Al along fellow club member Elwin Lindsley now retired Senior Engineering Ed iter Popular Science magazine managed g balky Loutrel fired up Beloit city golf course off went DH nice flight engine almost always quit after short runbut day Bill Al started legging after plane finally crossed nearby frozen Rock River Meanwhile Elwin drove fathers car around about over bridge guessed Bill broke through ice lucky enough able crawl out alone Al stayed back fear making matters worse Dripping wet water freezing Bill made far side just Elwin came along river road car heater car saved day good thing Elwin found temperature well below freezing plane later found good shape nearby country club golf course Lucky right two golf courses area Douglas Hardware plane cabin job 8-ft wingspan polydihedral fea ture made popular days Maxwell Bas sett wing Clark Y airfoil built-up ribs main box spar truss-type rear spar built three sections joined dowel joints cabin-type fuselage remi niscent early Bellanca full-scale designs 52/2 long 9 deep cabin 6 wide Boy room no radio Weight about 5 lb 1940 Douglas Hardware job bas ket case remains left care Jackie Glassen Madison WI Bills young modeling proteges state Jun ior Gas model champion 1939 Following 49th-year reunion Hangar #13 1984 Bill learned Jackie still plane attic piecessans engine Knowing Hangar #13 going have other reunion Beloit WI 1987 con vinced Elwin lived close Delafield WI restored Douglas Hardware Job would make nice attraction next reunion did take much convincing original remainsabout 90% complete picked up Bill during visit Wis consin 1985 delivered Elwin com pleted difficult restoration just time 52nd-year reunion September 1987 funfly just before banquet held under windy conditions big black-and-orange plane kept ground borrowed Brown Jr engine fired up During banquet attended 74 people Bill visited AMA Executive Vice President Jim McNeill resulted Jim leaving banquet plane car heading AMA museum Reston VA plane now has permanent resting place equipped Brown Jr engine museums col lection Bill visited museum November 9 1987 took several pictures half-centuryold plane sitting proudly table alongside old Comet Zipper its wings left off order show interior structure Its good company likes KG-l flown 1933 Nationals Bill says AMA HQ museum very interesting place visit its tasteful displays thousands models engines radios etc Anyone interested model airplanes would enjoy spending few hours museum three hours Glen Mills PARMcM just outside Washington DC might make good excuse group visit club members AMA peo ple facility extremely warm friendly interesting note three designers/builders old ship later went graduate University Wisconsin engineering degrees Bill spent 42 years aerospace industry Curtiss-Wright Boeing Vertol before retiring 1982 Flwin graduated Parks Air College degree aeronau tical engineering also has A&E license author several books latest Service Repair Small Gas Engines restoration remaining pieces Douglas Hardware Job magnificent project evident photos As Bates men48 Model Aviation IICLU DES t & 6 trnerprises ializing Vacuum Formed Helicopter Fuselages er Inquiries Invited II Available Local Dealer Call Direct L 23015 Del Lago #8-2 Laguna Hills CA 92653 our OrderinglTvlessage Recorder 714 859-2030J Coal ourorium asoy Geourid 90 thoust Hoe irigt poksh firiahed Socket cop screws includec DRUID AND TAPPED F0 #JT-20 Os MAX PS 40 Undrilled 2040 . 800 44HPVT21 1000 #J-42ENYA35-404C4000ross #JT-43SAITO FA 40-4540002030 #JT-44OS MAX FS 401000 #JT-45SAITO FA 40-451000 #JT-46ENYA464C4000 #JT-49HPVT491200 #JT-60Undrilled 60-901100 #Jb6IOSMAXFA6I1300 #JT-62OSMAXFS6O-75-901100 Jr #JT64ENVA 60-80-90-429404300 #JT-65SAITO FA 4300 #JT-120 Undrilled 1201600 #JT-121 ENYAR 120 PC2000 #JT-1220SMAXP51202000 #JT-123 SAITO PA 120.2000 Jr404 19-40 4950 00 2550 #JT-125 Suoer Tlare 25-3000 2000s sao GIANT ENGINE MUFFLERS Marched engine Tori pipe esleraicos mwsf log oIta ncludd AMo ATLAS 46 BULLY COBRA KAWASAKI KI SUPER TIGP JT-104 ALl5 100 2730 jr-na Z5NOAH 035 2750J4 Jr-w4 OPEIGIIT 880101 1950 -a0345-000030I CMOUNT MUFFLERSJT4OT - 75-aoo.oPITTS CAP 21 CESSNA 1O etc 40-00 -403 40 50 -40345-40 2050 MARhoaseaddi5OfsrUP52490 -903 75-2050o OCYaQI5AMCOrCO0j90 COO FREE CA TALOG 2750 MOOA 50 MAO 25 UtN7 2750 000 TASIANfl 0000 ENGINE TESTING STANDS Coos Aluminum l restrooms No Jr rss aiont 50 1120 23 2990 NO Jr 55 go I2A 040 290 tions Elwin Lindsley also retired Senior Engineering Editor Popular Science Oddly recently answered letter Elwin enquiring Ken Willard mentioned recent Great Missouri Sock Soak article Janu ary 1989 MA could possibly same Ken un der studied meteorology Parks Air College 1940 answer course yes world continues shrink Elwin Lindoleys report restora tion Douglas Hardware Job first time saw DH Gas Job built Bill Bates Alfred Heim late Frank Ross Hangar #13 Club bit WI bright cold winters day probably 1936 Suffice say splendid gleaming example its builders crafts manship bitter day man aged breathe life Loutrel engine day DH flew well high stablebut too far no engine timer first Gas model state Wisconsin second time saw DH over 50 years later Bill Bates removed remains car trunk sad sorry group pieces hung together tattered bits aged silk its wings shattered pieces sections its rudder missing Obviously least flight gone poorly front right engine mount section fuselage totally crushed Restoring DH would clearly challenge beginning set up several ob jectives would costs attempt retain authentic ity though some obvious tempting shortcuts could have made new wing ribs sheet balsa example rather producing rib jig assembling bits pieces %2-sq balsa DH well cleverly constructed designedbut also complex would try best bring DH back airworthy status True could never certain integrity thousands existing glue joints original structure appeared remarkably solid considering 50-year-old glue Some however popped loose slight est tweak Third would attempt regain aerodynamic alignment though existing sur faces warped twisted degree complete Thus approached DH restoration ex actly would similar job full-size air craft Id eventually sign off A&P number 72824-41 procedure fol lows Complete strip-down old silk covering cleaning structure much possible its 50-year accumulation dirt oil Assessment structural damage fuse lage up firewall fair shape exception some missing access doors area forward firewall badly crushed oil-rotted profile retained port side engine bearer Both wings lacked substantial number built-up ribs significant spar damage some spar sections missing large por tion leading edge wing totally gone brittle nature old leading edge posed problems since least touch caused cracking broke areas back relatively solid wood wings two outer sections cen ter section assembled means hard wood dowels inserted aluminum sleeves bed ded spars dowels broken off down sleeves impossible re move drilling out eventually necessary remove sleeves highspeed burr after rebuilding wings jig three sections lO-ft-long flat surface new dowels place reglue sleeves Situ Most wing repairs made after jigging surfaces flat building board using 101 scarf joints extend original spans Alignment flatness reestablished during repair during replacement diago nal inner wing drag antidrag braces new rudder drawn constructed reference photos taken original structure Thirties nose engine bearer structure re built spliced-in members carried back solid woodContinued page 157 THERMAL CHARGER what looking electric sailplane good looks easy build fun fly great performance Thermal Charger Wing Span Wing Area Motor Included 60 Inches 545 Sq Inches Leisure 05 Electric fl3 PRECISION PRODUCTS INC 714 592-5144 510 E Arrow Highway San Dimas CA 91773 June 1989 49 ovollable hobby shop ORDER DIRECT los return UPS shipment mrg John rarone Co UIIIVERSAL IN-COWL AIRCRAFT MUFFLERS 1 94045-6075-1 3 engines Most versatile mufflers ever offered Designed fit inside cowls limited space can also used HELICQPTERS BOATS o For UPRIGHT INVERTED SlDt mounted engineu txhaust tubes point almost direction Worm drive clamp universal mounting dIn h hrslto-l dirtiv th snobs 504505i081 ininin C/L New R/C HANGAR rn CATALOG IKits OR Plans Innovative Inexpensive Quick&Easy Build HORNET 074 Order yours today QUICK & LIVELY SPORT BIPLARE GREAT FOR SMALL FSELIlS Designed new Cnn 074 Queen See enganel SEND 2 Spenificatinona Wing Spurn 2h Oang Area 275 Sq Length 25 Loading 13 SzSq Pt Weoght 1112 Lb Radio iChannel micro servos Experience aileron trainer qoalofoes yoo tn pilot sleek nk inn airplane Sisple dorahie rentangular 2spar hd noons sheeted box type 0 oselage solid tail surfaces pretot aAA balsa ply tollsize illostrated plana STANGEL ENTERPRISES ostb tooplete instroc non ha dna e pa baghtP 0 BC 36 M MEMBER0 AC LPlunn S4995 01350 ShlI Plan ySSe 95 $150 SSHWAUKESHA WSCONON5 bAMJ tively uncommon sizes /32 hard alu minum sheet landing gear stock small 00-90 0-80 hex screws nuts small 00 1 2 wood screws practi cally everything else available hobby shop worry can ordered National Trea sure Scratch Builders Sig Manufactur ing Company Youll also need small nut-drivers screwdrivers use 21-piece tool set sold Polks Model Craft Hobbies Micro-Mark shown ads fine little tools Scale model builders very reasonable price Whether sound Longsters model four-cycle engine conjures memories favorite full-size airplanes have known flownor merely sounds like model four-cycle enginewith its steady flying habits hybrid lightplane/antique sure please Just remem ber winds blow Longster better go Radio Technique/Myers Continued page 39 jects 23-channel problem AND two adjacent-channel problems exist wideband 5C455 receiver Thats Bob Aberle chose identify dual-conversion narrow-band receiver 1991 receiver Note above refers AM FM Theres no difference between far interference type concerned Larry Sribnick has done again Larry friend firm SR Batteries Inc Box 287 Bellport NY 11713 phone 516/2860079 FAX 516/286-0901 now marketing tool kit consists screwdriver-type han dle ratchet handle assortment /a-in hex-shaft tool bits will also fit electric screwdriver whole shebang comes snaplocked bright yellow plastic case sells $2695 plus $3 shipping handling tool bits fit No 1 2 Phillips-head screws /l6 slotted screws 12 sizes English hex keys 050 through 5/lb six sizes metric hex keys 15mm through 5mm adapter Ia-in square-drive sockets components hardened blackened resist rust except ratchet handle stainless steel screw driver handle plastic tool bits have spring-loaded balls lock place An added setscrew socket screwdriver handle insures wont losing tool bits inside model per feet item tool kit can handle things like wheel collars engine mount bolts etc got set immdediately filed two tabs off screwdriver shaft can slip ratchet handle thereon case need give lit tle extra urge stuck screws Should happen damage tool bit replacements available $1 SR Batteries RC Battle/Good Continued page 45 approved five new 72 MHz channels close 3-to-2 decision two Commission ers absent disconcerting dissenting Commissioners opined RC pears essentially triv ial use does warrant allocation spectrum space Caustic words hairbreadth voting coupled disparaging minority opinion might have undercut optimism about course future battles FCC except Courtneys shrewd analysis counsel explained Commissioners votes di vided sharply according respective years service three favor AMA proposal served 12 15 21 years respectively two voted against three years respective tenure caution ary experience Courtneys view confirmed importance continu ally educating public officials about RC hobby would well heed re minder RC Old-Timers/Mathews Continued page 49 original ignition wiring remained consisted mid-Thirties-type automotive acces sory wire totally deteriorated insulation cracked touch re placed unique double-pole double-throw knife-blade switch disassembled cleaned corrosion buffed installed although its used its original location Although laminated balsa wheels re moved sanded tire area repainted THE LEADER IN COMPETITION NEW 4[L#L SERIES 100 THP DESIGN \ /DIAPRICE 15 16 NEW PRO SERIES 3 \ / i S NEW NIGH TECH AIRFOIL SECTION 10T0200/oINCREASE IN THRUST MFG OF SELECT HARD MAPLE WOOD WILL NOT FATIGUE LIKE SYNTHETICS FUELPROOFHIGH LUSTER FINISH DIAPITCH PRICE 534 634 72633456 6334568 645667 9456677/ 104566A7 106W6W 106EW 114677 7 7 46 ii5W ii6EW 1167 124W 12SW 1256 1356 1456 1556 164/N 16678 RC PYLON RACING SERIES 500 DIA PITCHPRICE 75N 5/N 6I 67/,78 SERIES 400C 9777Io W WIDE BLADE EW EXTRA WIDE N NARROW PROPELLERS TAILORED HELICAL PITCH DEVELOPEDTOGIVE MAXIMUM THRUST AT 4 CYCLE ENGINE RPM ALL THE LATEST TECHNIQUES USED ON OUR PRO SERIES 3 SEE BELOW PITCH THP 66 77 /6 677 6 677 8 67 676 June 1989 157 GATOR RIC PRODUCTS DELUX ALL BALSA KIT An new Tiger Tail 120 four strokes piped 60 two strokes beautiful performer competition just showing offl balsa kit machined wood parts complete hardware package includes plug-in djustable stab parts new wing mounts Wing Span -72 InWing Area 860 sq Complete Delus KitSi 5995 TRANSMITTER CASE An inexpensive rugged molded case protect expensive transmitter both two stick single stick transmitters Black leather grain aluminum trim locking clasp S 1995 MV-i TYPHOON New F3A competition Big beautiful flyer balsa construction plug-in wings 120 four stroke 60 two stroke power Plans-two sheetsS1495 Fiberglass cowlSi 895 Clear butyrate canopy 5 OTHER PLANS Tiger Tail 4S-two sheets 120 four strokes S 1495 TAR baby 120 four strokes S 1195 Alley Kat 40 size trainer sport S B95 Gator Flea 40 size sport S 895 Bobcat 40 size sport S 895 GATOR SOFT MOUNTS COMPLETE SOFT MOUNTS INCLUDES ALL HARDWARE Optimized lowest vibration transmission airframe minimizing engine shake Available YS-60 OS-6051495 SOFT MOUNT COMPONENTS 4-lug Mounting Plate 606 I-T-6 black anodized Undrilled Drilled YS60 OS-60. S695 Rubber Iso-Mounts 518 diameter 112 long 8-32 female end 8-32 x 112 male other end Specify soft 50 durometeryelIow firm 60 durometer-purple Each. S3OOPkg 014 5995 feather Ilte glass cloth 7 ozsq yd est weave Fastest Filling est Finished Weight Big 3 Sq Yard Pkg Detailed Instructions $895 Include S2 SOiltem UPS esidents Add 6% Sales Tax GATOR RIC PRODUCTS 3713 Pompano Dr acola FL 32514 476-8639 original landing gear left intact slightly bent Recovering refinishing done conventional manner Koverall fabric ni trate dope foregoing rather superfcial relating basic restoration steps necessarily omits host interesting details about Construction pioneer Gas model Plainly designers/builders drew heavily upon own judgement engineering skills fact DH flew flew well survived over half century testimonial abili ties August column will feature new Douglas Hardware model constructed master crafts man Ralph Beck also built Hangar 13 Special featured December 1987 issue cant wait Ralphs address RR #2 Box 131 Beloit WI 53511 can likely help truly interested person obtain working drawings Did know Joe Butler Granbury TX recently sent photos Ole Reliable fea tured construction article June 1978 sue MA available Full-Size Plan No 225$425 Smog Hog airfoil section letter called attention wild piece other model magazine accompanied construction article new Old-Timer hav ing wing loading 15 oz/sq ft protect author quote source Most us old geezers know prop erly balance aircraft However benefit new modelers following method use Mark underside wing next cabin windows dot corresponding CG position shown plans Place index fingers dots lift aircraft aircroft balanced hangs slightly 100 120 nose down Emphasis added Son gun years thought meant model nose-heavy truly age enlightenment RC Electrics/Kopski Continued page 51 tardly deed Wet-powered Amptique read right Howell Wet-powered Amp tique calls OStique Mercy What world coming What can say about Modeling funand doesnt really mat ter get need now someone send photo rubber-powered Amptique Lets see what might name about Elastique Some new connectors available CS Flight Systems Middleboro MA see ad rather small gold-plated tubular-pinand-socket-type parts solder cup accept up 15-gauge wire may very useful crowded installations insulated heat-shrink tubing supplied go $3 pair Id like point out CS has con stantly expanding discount catalog Electric goodies including connectors suggest invest two bucks Youll easily re cover cost first order subject connectors Id like also mention Sermos line has ad dition color addition familiar red black less familiar orange green white blue yellow John Sermos tells has now added grey gray Whatever less familiar colors available Sermos direct suggest check out ad issue Red black routinely available suppliers includ ing CS way John tells contacts product line specially made him contacts extra heavily plated silver result have very low loss can withstand uncountable number matings what its worth standard items installations Electrostreakagain Last months column detailed what very useful modifica tion Great Planes Electrostreaka hatch stallation month have another photo other assembly modification photo portion wing structure shows solid ribs Great Planes very weight conscious Electric designs PT J3 including having punchout portions wing ribs See photo PT Electric struc ture MA March 1989 So building Streak meticulously following highly de tailed instruction manual duly punched out lightening holes die-cut ribs tossed em trash got wondering wondered just much punchouts weighed Yeah dug through trash Found em too Something like 28 pieces grand total weight TRAINERFOAMAIRE SPAN Afl95 SPAN 74 WEIGHT 2 lbs 3 CH iWEIGHT 65-75 lbs POWER 0 cc A95 POWER 0 3 4 CHANNEL4CHutFOUR CHANNEL MONARCH SPAN EIGHT 2 lbs $1A 95 POWER 0 cc EY FOUR CHANNEL 158 Model Aviation CALL OR WRITE FOR FREE INFO4.-RT 1 NEODESHA KS 66757 ON SAC KITS AND QUADRA PRICES___316 325-2821 FREE SHIPPING ON KIT ORDERVISA MASTERCARD ACCEPTED
Edition: Model Aviation - 1989/06
Page Numbers: 46, 47, 48, 49, 157, 158
4 EARLY BIRDS Back December 1987 col umn photos three-view drawing 1935 Hangar 13 model also presented overview early typical club Beloit WI its teaders Now have given opportunity add interesting piece modeling history Bill Bates now resides Glen Mills PA 4-In recently corresponded included Olam following third-person account DOUGLAS HARDWARE GAS MODELi 934 Designed Built Flown Bill Bates Al Helm Frsnlc Ross Original Engine Loutrel Donated Douglas Hardware Janeaville Wisconsin Drawing W Bates 2-348 wing Rib Typical Cross Section Cabin Area Fuselage wing Shown Fiat98-In Span zzzzIz Stabilizer RibsTip E3RGE UIEBAUER FRANK eering project Douglas Hardware Job 1934/35 believed first Gas model built flown state Wisconsin Photo L shows original uncovered model sat Bill Bates back yard 34 Photo right shows some Hangar No 13 Club members models first taxi test restored model sits today AMA Museum Reston VA 46 Model Aviation Radio Conoi Old-turners Dr DB Mathews 9O N Maize Rd Thwnhouse 734 Wichita KS 67212 BEFORE start off something Id/ike get off chest love readers love get letters However reader asks something necessitates making reply sure would appreciate it would dude SASEor least return postage lieve tell lam getting rich writing bimonthly column labor love Spending quarter post age stamp wont break mebut get lots let ters adds up Gimme break folks other thing write please dont send letter Model Avia tion editorial offices Virginia just means have fotward home Wich ita KS takes additional time effort somebodys part Send things directly address given logo area top column BILL LAT1S ThFFA12in TAXTTESTS-195 remains wing panel jigged building board restoration Leading edge facing camera Back 1932 model airplane club orga nized Beloit WI Originally 13 members led name club Han gar #13 club became junior chapter National Aeronautic Association NAA 1935 NAA predecessor AMA Dur ing period Bill Bates now member Salem club president Conrad Hansen now Dayton OH club advisor Bills license time NAA 2026 club met twice month YMCA its dues 10g right after de pression 1929 money still tight der conserve limited resources building ma terials like balsa Ambroid cement banana oil tissue silk rubber music wire airplane dope purchased club bulk mail order dispensed free members normal projects Large amounts say Gas model supplied cost club meetings actually building ses sions older members teaching help ing younger members lots com petition within club clubs sur rounding areas Several members attended Na tionals During 1934-35 time period Bill Bates club buddies Frank Ross deceased Al Heim now Kansas City MO designed built flew what believed first gasoline-engine-powered model state Wisconsin referred Douglas Hardware Job because trio either dividually group could afford engine $15 Douglas Hardware store Nearby Janesville WI agreed supply funds designers/builders would put stores name wingand original engine Loutrel prede cessor somewhat cruder GHQ engine came along later best engine the laminated balsa wheels rather complex wire landing gear time renowned Brown Jr used Max well Bassett Philadelphiabut $2150 out reach Continued page 48 June 1989 47 Remains wings after sitting attic horizontal stabilizer before restoration about 45 yearsl Heres what nose model looked like before restoration began Label glued firewall reads F Ross W Bates Helm Scene atop workbench Jack Glassens workshop 1985 Heres rear mounting bracket shock-absorbing landing gear igni tion systems On/Off knife switch just above fuselage wasnt such bad shape ex cept some missing access doors Restored Douglas Hardware Job Hangar No 13 Club 52nd-year reunion Beloit WI September 1987 Folks L-R Jackie Glassen Elwin Lindsley restored model Al Helm Weather bit too windy risk flight priceless antique Bill Bates restored model AMA Museum November1987 restoration photos month taken Elwin Lindsley Stores Four Aircraft Setups Includes Seven Different Servo Configurations Individual Surface Travel Limits Centering Single Switch Presets Launch Speed Modes Full Trailing Edge Control Enhanced Mixing Functions Crow Landing Capability * User Selectable Cross Trim Capability * Flap Stick Reversing * Elevator Camber VTR * Automatic Selection High Ail Rudder Mixing Launch Landing Modes * New Feature Fully installed kit Control Systems Laboratories 238 5 Hillview Dr Milpitas CA 95035 408 946-4142 Airtronk~ Module 75P IM registered trademarks Aixtronics Inc NEW FEATURES ADDED! ATRCSTM Advanced Technology Radio Control Systeni Works standard FM/PPM Receivers AirtronicsTh PCM Receivers Converts Module 75P advanced computerized control system 100 VTR1 Elevator Camber % 1/71/ I/7W 0 070 100 Elevator Stick Position % occasion during winter 1935 Bill Al along fellow club member Elwin Lindsley now retired Senior Engineering Ed iter Popular Science magazine managed g balky Loutrel fired up Beloit city golf course off went DH nice flight engine almost always quit after short runbut day Bill Al started legging after plane finally crossed nearby frozen Rock River Meanwhile Elwin drove fathers car around about over bridge guessed Bill broke through ice lucky enough able crawl out alone Al stayed back fear making matters worse Dripping wet water freezing Bill made far side just Elwin came along river road car heater car saved day good thing Elwin found temperature well below freezing plane later found good shape nearby country club golf course Lucky right two golf courses area Douglas Hardware plane cabin job 8-ft wingspan polydihedral fea ture made popular days Maxwell Bas sett wing Clark Y airfoil built-up ribs main box spar truss-type rear spar built three sections joined dowel joints cabin-type fuselage remi niscent early Bellanca full-scale designs 52/2 long 9 deep cabin 6 wide Boy room no radio Weight about 5 lb 1940 Douglas Hardware job bas ket case remains left care Jackie Glassen Madison WI Bills young modeling proteges state Jun ior Gas model champion 1939 Following 49th-year reunion Hangar #13 1984 Bill learned Jackie still plane attic piecessans engine Knowing Hangar #13 going have other reunion Beloit WI 1987 con vinced Elwin lived close Delafield WI restored Douglas Hardware Job would make nice attraction next reunion did take much convincing original remainsabout 90% complete picked up Bill during visit Wis consin 1985 delivered Elwin com pleted difficult restoration just time 52nd-year reunion September 1987 funfly just before banquet held under windy conditions big black-and-orange plane kept ground borrowed Brown Jr engine fired up During banquet attended 74 people Bill visited AMA Executive Vice President Jim McNeill resulted Jim leaving banquet plane car heading AMA museum Reston VA plane now has permanent resting place equipped Brown Jr engine museums col lection Bill visited museum November 9 1987 took several pictures half-centuryold plane sitting proudly table alongside old Comet Zipper its wings left off order show interior structure Its good company likes KG-l flown 1933 Nationals Bill says AMA HQ museum very interesting place visit its tasteful displays thousands models engines radios etc Anyone interested model airplanes would enjoy spending few hours museum three hours Glen Mills PARMcM just outside Washington DC might make good excuse group visit club members AMA peo ple facility extremely warm friendly interesting note three designers/builders old ship later went graduate University Wisconsin engineering degrees Bill spent 42 years aerospace industry Curtiss-Wright Boeing Vertol before retiring 1982 Flwin graduated Parks Air College degree aeronau tical engineering also has A&E license author several books latest Service Repair Small Gas Engines restoration remaining pieces Douglas Hardware Job magnificent project evident photos As Bates men48 Model Aviation IICLU DES t & 6 trnerprises ializing Vacuum Formed Helicopter Fuselages er Inquiries Invited II Available Local Dealer Call Direct L 23015 Del Lago #8-2 Laguna Hills CA 92653 our OrderinglTvlessage Recorder 714 859-2030J Coal ourorium asoy Geourid 90 thoust Hoe irigt poksh firiahed Socket cop screws includec DRUID AND TAPPED F0 #JT-20 Os MAX PS 40 Undrilled 2040 . 800 44HPVT21 1000 #J-42ENYA35-404C4000ross #JT-43SAITO FA 40-4540002030 #JT-44OS MAX FS 401000 #JT-45SAITO FA 40-451000 #JT-46ENYA464C4000 #JT-49HPVT491200 #JT-60Undrilled 60-901100 #Jb6IOSMAXFA6I1300 #JT-62OSMAXFS6O-75-901100 Jr #JT64ENVA 60-80-90-429404300 #JT-65SAITO FA 4300 #JT-120 Undrilled 1201600 #JT-121 ENYAR 120 PC2000 #JT-1220SMAXP51202000 #JT-123 SAITO PA 120.2000 Jr404 19-40 4950 00 2550 #JT-125 Suoer Tlare 25-3000 2000s sao GIANT ENGINE MUFFLERS Marched engine Tori pipe esleraicos mwsf log oIta ncludd AMo ATLAS 46 BULLY COBRA KAWASAKI KI SUPER TIGP JT-104 ALl5 100 2730 jr-na Z5NOAH 035 2750J4 Jr-w4 OPEIGIIT 880101 1950 -a0345-000030I CMOUNT MUFFLERSJT4OT - 75-aoo.oPITTS CAP 21 CESSNA 1O etc 40-00 -403 40 50 -40345-40 2050 MARhoaseaddi5OfsrUP52490 -903 75-2050o OCYaQI5AMCOrCO0j90 COO FREE CA TALOG 2750 MOOA 50 MAO 25 UtN7 2750 000 TASIANfl 0000 ENGINE TESTING STANDS Coos Aluminum l restrooms No Jr rss aiont 50 1120 23 2990 NO Jr 55 go I2A 040 290 tions Elwin Lindsley also retired Senior Engineering Editor Popular Science Oddly recently answered letter Elwin enquiring Ken Willard mentioned recent Great Missouri Sock Soak article Janu ary 1989 MA could possibly same Ken un der studied meteorology Parks Air College 1940 answer course yes world continues shrink Elwin Lindoleys report restora tion Douglas Hardware Job first time saw DH Gas Job built Bill Bates Alfred Heim late Frank Ross Hangar #13 Club bit WI bright cold winters day probably 1936 Suffice say splendid gleaming example its builders crafts manship bitter day man aged breathe life Loutrel engine day DH flew well high stablebut too far no engine timer first Gas model state Wisconsin second time saw DH over 50 years later Bill Bates removed remains car trunk sad sorry group pieces hung together tattered bits aged silk its wings shattered pieces sections its rudder missing Obviously least flight gone poorly front right engine mount section fuselage totally crushed Restoring DH would clearly challenge beginning set up several ob jectives would costs attempt retain authentic ity though some obvious tempting shortcuts could have made new wing ribs sheet balsa example rather producing rib jig assembling bits pieces %2-sq balsa DH well cleverly constructed designedbut also complex would try best bring DH back airworthy status True could never certain integrity thousands existing glue joints original structure appeared remarkably solid considering 50-year-old glue Some however popped loose slight est tweak Third would attempt regain aerodynamic alignment though existing sur faces warped twisted degree complete Thus approached DH restoration ex actly would similar job full-size air craft Id eventually sign off A&P number 72824-41 procedure fol lows Complete strip-down old silk covering cleaning structure much possible its 50-year accumulation dirt oil Assessment structural damage fuse lage up firewall fair shape exception some missing access doors area forward firewall badly crushed oil-rotted profile retained port side engine bearer Both wings lacked substantial number built-up ribs significant spar damage some spar sections missing large por tion leading edge wing totally gone brittle nature old leading edge posed problems since least touch caused cracking broke areas back relatively solid wood wings two outer sections cen ter section assembled means hard wood dowels inserted aluminum sleeves bed ded spars dowels broken off down sleeves impossible re move drilling out eventually necessary remove sleeves highspeed burr after rebuilding wings jig three sections lO-ft-long flat surface new dowels place reglue sleeves Situ Most wing repairs made after jigging surfaces flat building board using 101 scarf joints extend original spans Alignment flatness reestablished during repair during replacement diago nal inner wing drag antidrag braces new rudder drawn constructed reference photos taken original structure Thirties nose engine bearer structure re built spliced-in members carried back solid woodContinued page 157 THERMAL CHARGER what looking electric sailplane good looks easy build fun fly great performance Thermal Charger Wing Span Wing Area Motor Included 60 Inches 545 Sq Inches Leisure 05 Electric fl3 PRECISION PRODUCTS INC 714 592-5144 510 E Arrow Highway San Dimas CA 91773 June 1989 49 ovollable hobby shop ORDER DIRECT los return UPS shipment mrg John rarone Co UIIIVERSAL IN-COWL AIRCRAFT MUFFLERS 1 94045-6075-1 3 engines Most versatile mufflers ever offered Designed fit inside cowls limited space can also used HELICQPTERS BOATS o For UPRIGHT INVERTED SlDt mounted engineu txhaust tubes point almost direction Worm drive clamp universal mounting dIn h hrslto-l dirtiv th snobs 504505i081 ininin C/L New R/C HANGAR rn CATALOG IKits OR Plans Innovative Inexpensive Quick&Easy Build HORNET 074 Order yours today QUICK & LIVELY SPORT BIPLARE GREAT FOR SMALL FSELIlS Designed new Cnn 074 Queen See enganel SEND 2 Spenificatinona Wing Spurn 2h Oang Area 275 Sq Length 25 Loading 13 SzSq Pt Weoght 1112 Lb Radio iChannel micro servos Experience aileron trainer qoalofoes yoo tn pilot sleek nk inn airplane Sisple dorahie rentangular 2spar hd noons sheeted box type 0 oselage solid tail surfaces pretot aAA balsa ply tollsize illostrated plana STANGEL ENTERPRISES ostb tooplete instroc non ha dna e pa baghtP 0 BC 36 M MEMBER0 AC LPlunn S4995 01350 ShlI Plan ySSe 95 $150 SSHWAUKESHA WSCONON5 bAMJ tively uncommon sizes /32 hard alu minum sheet landing gear stock small 00-90 0-80 hex screws nuts small 00 1 2 wood screws practi cally everything else available hobby shop worry can ordered National Trea sure Scratch Builders Sig Manufactur ing Company Youll also need small nut-drivers screwdrivers use 21-piece tool set sold Polks Model Craft Hobbies Micro-Mark shown ads fine little tools Scale model builders very reasonable price Whether sound Longsters model four-cycle engine conjures memories favorite full-size airplanes have known flownor merely sounds like model four-cycle enginewith its steady flying habits hybrid lightplane/antique sure please Just remem ber winds blow Longster better go Radio Technique/Myers Continued page 39 jects 23-channel problem AND two adjacent-channel problems exist wideband 5C455 receiver Thats Bob Aberle chose identify dual-conversion narrow-band receiver 1991 receiver Note above refers AM FM Theres no difference between far interference type concerned Larry Sribnick has done again Larry friend firm SR Batteries Inc Box 287 Bellport NY 11713 phone 516/2860079 FAX 516/286-0901 now marketing tool kit consists screwdriver-type han dle ratchet handle assortment /a-in hex-shaft tool bits will also fit electric screwdriver whole shebang comes snaplocked bright yellow plastic case sells $2695 plus $3 shipping handling tool bits fit No 1 2 Phillips-head screws /l6 slotted screws 12 sizes English hex keys 050 through 5/lb six sizes metric hex keys 15mm through 5mm adapter Ia-in square-drive sockets components hardened blackened resist rust except ratchet handle stainless steel screw driver handle plastic tool bits have spring-loaded balls lock place An added setscrew socket screwdriver handle insures wont losing tool bits inside model per feet item tool kit can handle things like wheel collars engine mount bolts etc got set immdediately filed two tabs off screwdriver shaft can slip ratchet handle thereon case need give lit tle extra urge stuck screws Should happen damage tool bit replacements available $1 SR Batteries RC Battle/Good Continued page 45 approved five new 72 MHz channels close 3-to-2 decision two Commission ers absent disconcerting dissenting Commissioners opined RC pears essentially triv ial use does warrant allocation spectrum space Caustic words hairbreadth voting coupled disparaging minority opinion might have undercut optimism about course future battles FCC except Courtneys shrewd analysis counsel explained Commissioners votes di vided sharply according respective years service three favor AMA proposal served 12 15 21 years respectively two voted against three years respective tenure caution ary experience Courtneys view confirmed importance continu ally educating public officials about RC hobby would well heed re minder RC Old-Timers/Mathews Continued page 49 original ignition wiring remained consisted mid-Thirties-type automotive acces sory wire totally deteriorated insulation cracked touch re placed unique double-pole double-throw knife-blade switch disassembled cleaned corrosion buffed installed although its used its original location Although laminated balsa wheels re moved sanded tire area repainted THE LEADER IN COMPETITION NEW 4[L#L SERIES 100 THP DESIGN \ /DIAPRICE 15 16 NEW PRO SERIES 3 \ / i S NEW NIGH TECH AIRFOIL SECTION 10T0200/oINCREASE IN THRUST MFG OF SELECT HARD MAPLE WOOD WILL NOT FATIGUE LIKE SYNTHETICS FUELPROOFHIGH LUSTER FINISH DIAPITCH PRICE 534 634 72633456 6334568 645667 9456677/ 104566A7 106W6W 106EW 114677 7 7 46 ii5W ii6EW 1167 124W 12SW 1256 1356 1456 1556 164/N 16678 RC PYLON RACING SERIES 500 DIA PITCHPRICE 75N 5/N 6I 67/,78 SERIES 400C 9777Io W WIDE BLADE EW EXTRA WIDE N NARROW PROPELLERS TAILORED HELICAL PITCH DEVELOPEDTOGIVE MAXIMUM THRUST AT 4 CYCLE ENGINE RPM ALL THE LATEST TECHNIQUES USED ON OUR PRO SERIES 3 SEE BELOW PITCH THP 66 77 /6 677 6 677 8 67 676 June 1989 157 GATOR RIC PRODUCTS DELUX ALL BALSA KIT An new Tiger Tail 120 four strokes piped 60 two strokes beautiful performer competition just showing offl balsa kit machined wood parts complete hardware package includes plug-in djustable stab parts new wing mounts Wing Span -72 InWing Area 860 sq Complete Delus KitSi 5995 TRANSMITTER CASE An inexpensive rugged molded case protect expensive transmitter both two stick single stick transmitters Black leather grain aluminum trim locking clasp S 1995 MV-i TYPHOON New F3A competition Big beautiful flyer balsa construction plug-in wings 120 four stroke 60 two stroke power Plans-two sheetsS1495 Fiberglass cowlSi 895 Clear butyrate canopy 5 OTHER PLANS Tiger Tail 4S-two sheets 120 four strokes S 1495 TAR baby 120 four strokes S 1195 Alley Kat 40 size trainer sport S B95 Gator Flea 40 size sport S 895 Bobcat 40 size sport S 895 GATOR SOFT MOUNTS COMPLETE SOFT MOUNTS INCLUDES ALL HARDWARE Optimized lowest vibration transmission airframe minimizing engine shake Available YS-60 OS-6051495 SOFT MOUNT COMPONENTS 4-lug Mounting Plate 606 I-T-6 black anodized Undrilled Drilled YS60 OS-60. S695 Rubber Iso-Mounts 518 diameter 112 long 8-32 female end 8-32 x 112 male other end Specify soft 50 durometeryelIow firm 60 durometer-purple Each. S3OOPkg 014 5995 feather Ilte glass cloth 7 ozsq yd est weave Fastest Filling est Finished Weight Big 3 Sq Yard Pkg Detailed Instructions $895 Include S2 SOiltem UPS esidents Add 6% Sales Tax GATOR RIC PRODUCTS 3713 Pompano Dr acola FL 32514 476-8639 original landing gear left intact slightly bent Recovering refinishing done conventional manner Koverall fabric ni trate dope foregoing rather superfcial relating basic restoration steps necessarily omits host interesting details about Construction pioneer Gas model Plainly designers/builders drew heavily upon own judgement engineering skills fact DH flew flew well survived over half century testimonial abili ties August column will feature new Douglas Hardware model constructed master crafts man Ralph Beck also built Hangar 13 Special featured December 1987 issue cant wait Ralphs address RR #2 Box 131 Beloit WI 53511 can likely help truly interested person obtain working drawings Did know Joe Butler Granbury TX recently sent photos Ole Reliable fea tured construction article June 1978 sue MA available Full-Size Plan No 225$425 Smog Hog airfoil section letter called attention wild piece other model magazine accompanied construction article new Old-Timer hav ing wing loading 15 oz/sq ft protect author quote source Most us old geezers know prop erly balance aircraft However benefit new modelers following method use Mark underside wing next cabin windows dot corresponding CG position shown plans Place index fingers dots lift aircraft aircroft balanced hangs slightly 100 120 nose down Emphasis added Son gun years thought meant model nose-heavy truly age enlightenment RC Electrics/Kopski Continued page 51 tardly deed Wet-powered Amptique read right Howell Wet-powered Amp tique calls OStique Mercy What world coming What can say about Modeling funand doesnt really mat ter get need now someone send photo rubber-powered Amptique Lets see what might name about Elastique Some new connectors available CS Flight Systems Middleboro MA see ad rather small gold-plated tubular-pinand-socket-type parts solder cup accept up 15-gauge wire may very useful crowded installations insulated heat-shrink tubing supplied go $3 pair Id like point out CS has con stantly expanding discount catalog Electric goodies including connectors suggest invest two bucks Youll easily re cover cost first order subject connectors Id like also mention Sermos line has ad dition color addition familiar red black less familiar orange green white blue yellow John Sermos tells has now added grey gray Whatever less familiar colors available Sermos direct suggest check out ad issue Red black routinely available suppliers includ ing CS way John tells contacts product line specially made him contacts extra heavily plated silver result have very low loss can withstand uncountable number matings what its worth standard items installations Electrostreakagain Last months column detailed what very useful modifica tion Great Planes Electrostreaka hatch stallation month have another photo other assembly modification photo portion wing structure shows solid ribs Great Planes very weight conscious Electric designs PT J3 including having punchout portions wing ribs See photo PT Electric struc ture MA March 1989 So building Streak meticulously following highly de tailed instruction manual duly punched out lightening holes die-cut ribs tossed em trash got wondering wondered just much punchouts weighed Yeah dug through trash Found em too Something like 28 pieces grand total weight TRAINERFOAMAIRE SPAN Afl95 SPAN 74 WEIGHT 2 lbs 3 CH iWEIGHT 65-75 lbs POWER 0 cc A95 POWER 0 3 4 CHANNEL4CHutFOUR CHANNEL MONARCH SPAN EIGHT 2 lbs $1A 95 POWER 0 cc EY FOUR CHANNEL 158 Model Aviation CALL OR WRITE FOR FREE INFO4.-RT 1 NEODESHA KS 66757 ON SAC KITS AND QUADRA PRICES___316 325-2821 FREE SHIPPING ON KIT ORDERVISA MASTERCARD ACCEPTED
Edition: Model Aviation - 1989/06
Page Numbers: 46, 47, 48, 49, 157, 158
4 EARLY BIRDS Back December 1987 col umn photos three-view drawing 1935 Hangar 13 model also presented overview early typical club Beloit WI its teaders Now have given opportunity add interesting piece modeling history Bill Bates now resides Glen Mills PA 4-In recently corresponded included Olam following third-person account DOUGLAS HARDWARE GAS MODELi 934 Designed Built Flown Bill Bates Al Helm Frsnlc Ross Original Engine Loutrel Donated Douglas Hardware Janeaville Wisconsin Drawing W Bates 2-348 wing Rib Typical Cross Section Cabin Area Fuselage wing Shown Fiat98-In Span zzzzIz Stabilizer RibsTip E3RGE UIEBAUER FRANK eering project Douglas Hardware Job 1934/35 believed first Gas model built flown state Wisconsin Photo L shows original uncovered model sat Bill Bates back yard 34 Photo right shows some Hangar No 13 Club members models first taxi test restored model sits today AMA Museum Reston VA 46 Model Aviation Radio Conoi Old-turners Dr DB Mathews 9O N Maize Rd Thwnhouse 734 Wichita KS 67212 BEFORE start off something Id/ike get off chest love readers love get letters However reader asks something necessitates making reply sure would appreciate it would dude SASEor least return postage lieve tell lam getting rich writing bimonthly column labor love Spending quarter post age stamp wont break mebut get lots let ters adds up Gimme break folks other thing write please dont send letter Model Avia tion editorial offices Virginia just means have fotward home Wich ita KS takes additional time effort somebodys part Send things directly address given logo area top column BILL LAT1S ThFFA12in TAXTTESTS-195 remains wing panel jigged building board restoration Leading edge facing camera Back 1932 model airplane club orga nized Beloit WI Originally 13 members led name club Han gar #13 club became junior chapter National Aeronautic Association NAA 1935 NAA predecessor AMA Dur ing period Bill Bates now member Salem club president Conrad Hansen now Dayton OH club advisor Bills license time NAA 2026 club met twice month YMCA its dues 10g right after de pression 1929 money still tight der conserve limited resources building ma terials like balsa Ambroid cement banana oil tissue silk rubber music wire airplane dope purchased club bulk mail order dispensed free members normal projects Large amounts say Gas model supplied cost club meetings actually building ses sions older members teaching help ing younger members lots com petition within club clubs sur rounding areas Several members attended Na tionals During 1934-35 time period Bill Bates club buddies Frank Ross deceased Al Heim now Kansas City MO designed built flew what believed first gasoline-engine-powered model state Wisconsin referred Douglas Hardware Job because trio either dividually group could afford engine $15 Douglas Hardware store Nearby Janesville WI agreed supply funds designers/builders would put stores name wingand original engine Loutrel prede cessor somewhat cruder GHQ engine came along later best engine the laminated balsa wheels rather complex wire landing gear time renowned Brown Jr used Max well Bassett Philadelphiabut $2150 out reach Continued page 48 June 1989 47 Remains wings after sitting attic horizontal stabilizer before restoration about 45 yearsl Heres what nose model looked like before restoration began Label glued firewall reads F Ross W Bates Helm Scene atop workbench Jack Glassens workshop 1985 Heres rear mounting bracket shock-absorbing landing gear igni tion systems On/Off knife switch just above fuselage wasnt such bad shape ex cept some missing access doors Restored Douglas Hardware Job Hangar No 13 Club 52nd-year reunion Beloit WI September 1987 Folks L-R Jackie Glassen Elwin Lindsley restored model Al Helm Weather bit too windy risk flight priceless antique Bill Bates restored model AMA Museum November1987 restoration photos month taken Elwin Lindsley Stores Four Aircraft Setups Includes Seven Different Servo Configurations Individual Surface Travel Limits Centering Single Switch Presets Launch Speed Modes Full Trailing Edge Control Enhanced Mixing Functions Crow Landing Capability * User Selectable Cross Trim Capability * Flap Stick Reversing * Elevator Camber VTR * Automatic Selection High Ail Rudder Mixing Launch Landing Modes * New Feature Fully installed kit Control Systems Laboratories 238 5 Hillview Dr Milpitas CA 95035 408 946-4142 Airtronk~ Module 75P IM registered trademarks Aixtronics Inc NEW FEATURES ADDED! ATRCSTM Advanced Technology Radio Control Systeni Works standard FM/PPM Receivers AirtronicsTh PCM Receivers Converts Module 75P advanced computerized control system 100 VTR1 Elevator Camber % 1/71/ I/7W 0 070 100 Elevator Stick Position % occasion during winter 1935 Bill Al along fellow club member Elwin Lindsley now retired Senior Engineering Ed iter Popular Science magazine managed g balky Loutrel fired up Beloit city golf course off went DH nice flight engine almost always quit after short runbut day Bill Al started legging after plane finally crossed nearby frozen Rock River Meanwhile Elwin drove fathers car around about over bridge guessed Bill broke through ice lucky enough able crawl out alone Al stayed back fear making matters worse Dripping wet water freezing Bill made far side just Elwin came along river road car heater car saved day good thing Elwin found temperature well below freezing plane later found good shape nearby country club golf course Lucky right two golf courses area Douglas Hardware plane cabin job 8-ft wingspan polydihedral fea ture made popular days Maxwell Bas sett wing Clark Y airfoil built-up ribs main box spar truss-type rear spar built three sections joined dowel joints cabin-type fuselage remi niscent early Bellanca full-scale designs 52/2 long 9 deep cabin 6 wide Boy room no radio Weight about 5 lb 1940 Douglas Hardware job bas ket case remains left care Jackie Glassen Madison WI Bills young modeling proteges state Jun ior Gas model champion 1939 Following 49th-year reunion Hangar #13 1984 Bill learned Jackie still plane attic piecessans engine Knowing Hangar #13 going have other reunion Beloit WI 1987 con vinced Elwin lived close Delafield WI restored Douglas Hardware Job would make nice attraction next reunion did take much convincing original remainsabout 90% complete picked up Bill during visit Wis consin 1985 delivered Elwin com pleted difficult restoration just time 52nd-year reunion September 1987 funfly just before banquet held under windy conditions big black-and-orange plane kept ground borrowed Brown Jr engine fired up During banquet attended 74 people Bill visited AMA Executive Vice President Jim McNeill resulted Jim leaving banquet plane car heading AMA museum Reston VA plane now has permanent resting place equipped Brown Jr engine museums col lection Bill visited museum November 9 1987 took several pictures half-centuryold plane sitting proudly table alongside old Comet Zipper its wings left off order show interior structure Its good company likes KG-l flown 1933 Nationals Bill says AMA HQ museum very interesting place visit its tasteful displays thousands models engines radios etc Anyone interested model airplanes would enjoy spending few hours museum three hours Glen Mills PARMcM just outside Washington DC might make good excuse group visit club members AMA peo ple facility extremely warm friendly interesting note three designers/builders old ship later went graduate University Wisconsin engineering degrees Bill spent 42 years aerospace industry Curtiss-Wright Boeing Vertol before retiring 1982 Flwin graduated Parks Air College degree aeronau tical engineering also has A&E license author several books latest Service Repair Small Gas Engines restoration remaining pieces Douglas Hardware Job magnificent project evident photos As Bates men48 Model Aviation IICLU DES t & 6 trnerprises ializing Vacuum Formed Helicopter Fuselages er Inquiries Invited II Available Local Dealer Call Direct L 23015 Del Lago #8-2 Laguna Hills CA 92653 our OrderinglTvlessage Recorder 714 859-2030J Coal ourorium asoy Geourid 90 thoust Hoe irigt poksh firiahed Socket cop screws includec DRUID AND TAPPED F0 #JT-20 Os MAX PS 40 Undrilled 2040 . 800 44HPVT21 1000 #J-42ENYA35-404C4000ross #JT-43SAITO FA 40-4540002030 #JT-44OS MAX FS 401000 #JT-45SAITO FA 40-451000 #JT-46ENYA464C4000 #JT-49HPVT491200 #JT-60Undrilled 60-901100 #Jb6IOSMAXFA6I1300 #JT-62OSMAXFS6O-75-901100 Jr #JT64ENVA 60-80-90-429404300 #JT-65SAITO FA 4300 #JT-120 Undrilled 1201600 #JT-121 ENYAR 120 PC2000 #JT-1220SMAXP51202000 #JT-123 SAITO PA 120.2000 Jr404 19-40 4950 00 2550 #JT-125 Suoer Tlare 25-3000 2000s sao GIANT ENGINE MUFFLERS Marched engine Tori pipe esleraicos mwsf log oIta ncludd AMo ATLAS 46 BULLY COBRA KAWASAKI KI SUPER TIGP JT-104 ALl5 100 2730 jr-na Z5NOAH 035 2750J4 Jr-w4 OPEIGIIT 880101 1950 -a0345-000030I CMOUNT MUFFLERSJT4OT - 75-aoo.oPITTS CAP 21 CESSNA 1O etc 40-00 -403 40 50 -40345-40 2050 MARhoaseaddi5OfsrUP52490 -903 75-2050o OCYaQI5AMCOrCO0j90 COO FREE CA TALOG 2750 MOOA 50 MAO 25 UtN7 2750 000 TASIANfl 0000 ENGINE TESTING STANDS Coos Aluminum l restrooms No Jr rss aiont 50 1120 23 2990 NO Jr 55 go I2A 040 290 tions Elwin Lindsley also retired Senior Engineering Editor Popular Science Oddly recently answered letter Elwin enquiring Ken Willard mentioned recent Great Missouri Sock Soak article Janu ary 1989 MA could possibly same Ken un der studied meteorology Parks Air College 1940 answer course yes world continues shrink Elwin Lindoleys report restora tion Douglas Hardware Job first time saw DH Gas Job built Bill Bates Alfred Heim late Frank Ross Hangar #13 Club bit WI bright cold winters day probably 1936 Suffice say splendid gleaming example its builders crafts manship bitter day man aged breathe life Loutrel engine day DH flew well high stablebut too far no engine timer first Gas model state Wisconsin second time saw DH over 50 years later Bill Bates removed remains car trunk sad sorry group pieces hung together tattered bits aged silk its wings shattered pieces sections its rudder missing Obviously least flight gone poorly front right engine mount section fuselage totally crushed Restoring DH would clearly challenge beginning set up several ob jectives would costs attempt retain authentic ity though some obvious tempting shortcuts could have made new wing ribs sheet balsa example rather producing rib jig assembling bits pieces %2-sq balsa DH well cleverly constructed designedbut also complex would try best bring DH back airworthy status True could never certain integrity thousands existing glue joints original structure appeared remarkably solid considering 50-year-old glue Some however popped loose slight est tweak Third would attempt regain aerodynamic alignment though existing sur faces warped twisted degree complete Thus approached DH restoration ex actly would similar job full-size air craft Id eventually sign off A&P number 72824-41 procedure fol lows Complete strip-down old silk covering cleaning structure much possible its 50-year accumulation dirt oil Assessment structural damage fuse lage up firewall fair shape exception some missing access doors area forward firewall badly crushed oil-rotted profile retained port side engine bearer Both wings lacked substantial number built-up ribs significant spar damage some spar sections missing large por tion leading edge wing totally gone brittle nature old leading edge posed problems since least touch caused cracking broke areas back relatively solid wood wings two outer sections cen ter section assembled means hard wood dowels inserted aluminum sleeves bed ded spars dowels broken off down sleeves impossible re move drilling out eventually necessary remove sleeves highspeed burr after rebuilding wings jig three sections lO-ft-long flat surface new dowels place reglue sleeves Situ Most wing repairs made after jigging surfaces flat building board using 101 scarf joints extend original spans Alignment flatness reestablished during repair during replacement diago nal inner wing drag antidrag braces new rudder drawn constructed reference photos taken original structure Thirties nose engine bearer structure re built spliced-in members carried back solid woodContinued page 157 THERMAL CHARGER what looking electric sailplane good looks easy build fun fly great performance Thermal Charger Wing Span Wing Area Motor Included 60 Inches 545 Sq Inches Leisure 05 Electric fl3 PRECISION PRODUCTS INC 714 592-5144 510 E Arrow Highway San Dimas CA 91773 June 1989 49 ovollable hobby shop ORDER DIRECT los return UPS shipment mrg John rarone Co UIIIVERSAL IN-COWL AIRCRAFT MUFFLERS 1 94045-6075-1 3 engines Most versatile mufflers ever offered Designed fit inside cowls limited space can also used HELICQPTERS BOATS o For UPRIGHT INVERTED SlDt mounted engineu txhaust tubes point almost direction Worm drive clamp universal mounting dIn h hrslto-l dirtiv th snobs 504505i081 ininin C/L New R/C HANGAR rn CATALOG IKits OR Plans Innovative Inexpensive Quick&Easy Build HORNET 074 Order yours today QUICK & LIVELY SPORT BIPLARE GREAT FOR SMALL FSELIlS Designed new Cnn 074 Queen See enganel SEND 2 Spenificatinona Wing Spurn 2h Oang Area 275 Sq Length 25 Loading 13 SzSq Pt Weoght 1112 Lb Radio iChannel micro servos Experience aileron trainer qoalofoes yoo tn pilot sleek nk inn airplane Sisple dorahie rentangular 2spar hd noons sheeted box type 0 oselage solid tail surfaces pretot aAA balsa ply tollsize illostrated plana STANGEL ENTERPRISES ostb tooplete instroc non ha dna e pa baghtP 0 BC 36 M MEMBER0 AC LPlunn S4995 01350 ShlI Plan ySSe 95 $150 SSHWAUKESHA WSCONON5 bAMJ tively uncommon sizes /32 hard alu minum sheet landing gear stock small 00-90 0-80 hex screws nuts small 00 1 2 wood screws practi cally everything else available hobby shop worry can ordered National Trea sure Scratch Builders Sig Manufactur ing Company Youll also need small nut-drivers screwdrivers use 21-piece tool set sold Polks Model Craft Hobbies Micro-Mark shown ads fine little tools Scale model builders very reasonable price Whether sound Longsters model four-cycle engine conjures memories favorite full-size airplanes have known flownor merely sounds like model four-cycle enginewith its steady flying habits hybrid lightplane/antique sure please Just remem ber winds blow Longster better go Radio Technique/Myers Continued page 39 jects 23-channel problem AND two adjacent-channel problems exist wideband 5C455 receiver Thats Bob Aberle chose identify dual-conversion narrow-band receiver 1991 receiver Note above refers AM FM Theres no difference between far interference type concerned Larry Sribnick has done again Larry friend firm SR Batteries Inc Box 287 Bellport NY 11713 phone 516/2860079 FAX 516/286-0901 now marketing tool kit consists screwdriver-type han dle ratchet handle assortment /a-in hex-shaft tool bits will also fit electric screwdriver whole shebang comes snaplocked bright yellow plastic case sells $2695 plus $3 shipping handling tool bits fit No 1 2 Phillips-head screws /l6 slotted screws 12 sizes English hex keys 050 through 5/lb six sizes metric hex keys 15mm through 5mm adapter Ia-in square-drive sockets components hardened blackened resist rust except ratchet handle stainless steel screw driver handle plastic tool bits have spring-loaded balls lock place An added setscrew socket screwdriver handle insures wont losing tool bits inside model per feet item tool kit can handle things like wheel collars engine mount bolts etc got set immdediately filed two tabs off screwdriver shaft can slip ratchet handle thereon case need give lit tle extra urge stuck screws Should happen damage tool bit replacements available $1 SR Batteries RC Battle/Good Continued page 45 approved five new 72 MHz channels close 3-to-2 decision two Commission ers absent disconcerting dissenting Commissioners opined RC pears essentially triv ial use does warrant allocation spectrum space Caustic words hairbreadth voting coupled disparaging minority opinion might have undercut optimism about course future battles FCC except Courtneys shrewd analysis counsel explained Commissioners votes di vided sharply according respective years service three favor AMA proposal served 12 15 21 years respectively two voted against three years respective tenure caution ary experience Courtneys view confirmed importance continu ally educating public officials about RC hobby would well heed re minder RC Old-Timers/Mathews Continued page 49 original ignition wiring remained consisted mid-Thirties-type automotive acces sory wire totally deteriorated insulation cracked touch re placed unique double-pole double-throw knife-blade switch disassembled cleaned corrosion buffed installed although its used its original location Although laminated balsa wheels re moved sanded tire area repainted THE LEADER IN COMPETITION NEW 4[L#L SERIES 100 THP DESIGN \ /DIAPRICE 15 16 NEW PRO SERIES 3 \ / i S NEW NIGH TECH AIRFOIL SECTION 10T0200/oINCREASE IN THRUST MFG OF SELECT HARD MAPLE WOOD WILL NOT FATIGUE LIKE SYNTHETICS FUELPROOFHIGH LUSTER FINISH DIAPITCH PRICE 534 634 72633456 6334568 645667 9456677/ 104566A7 106W6W 106EW 114677 7 7 46 ii5W ii6EW 1167 124W 12SW 1256 1356 1456 1556 164/N 16678 RC PYLON RACING SERIES 500 DIA PITCHPRICE 75N 5/N 6I 67/,78 SERIES 400C 9777Io W WIDE BLADE EW EXTRA WIDE N NARROW PROPELLERS TAILORED HELICAL PITCH DEVELOPEDTOGIVE MAXIMUM THRUST AT 4 CYCLE ENGINE RPM ALL THE LATEST TECHNIQUES USED ON OUR PRO SERIES 3 SEE BELOW PITCH THP 66 77 /6 677 6 677 8 67 676 June 1989 157 GATOR RIC PRODUCTS DELUX ALL BALSA KIT An new Tiger Tail 120 four strokes piped 60 two strokes beautiful performer competition just showing offl balsa kit machined wood parts complete hardware package includes plug-in djustable stab parts new wing mounts Wing Span -72 InWing Area 860 sq Complete Delus KitSi 5995 TRANSMITTER CASE An inexpensive rugged molded case protect expensive transmitter both two stick single stick transmitters Black leather grain aluminum trim locking clasp S 1995 MV-i TYPHOON New F3A competition Big beautiful flyer balsa construction plug-in wings 120 four stroke 60 two stroke power Plans-two sheetsS1495 Fiberglass cowlSi 895 Clear butyrate canopy 5 OTHER PLANS Tiger Tail 4S-two sheets 120 four strokes S 1495 TAR baby 120 four strokes S 1195 Alley Kat 40 size trainer sport S B95 Gator Flea 40 size sport S 895 Bobcat 40 size sport S 895 GATOR SOFT MOUNTS COMPLETE SOFT MOUNTS INCLUDES ALL HARDWARE Optimized lowest vibration transmission airframe minimizing engine shake Available YS-60 OS-6051495 SOFT MOUNT COMPONENTS 4-lug Mounting Plate 606 I-T-6 black anodized Undrilled Drilled YS60 OS-60. S695 Rubber Iso-Mounts 518 diameter 112 long 8-32 female end 8-32 x 112 male other end Specify soft 50 durometeryelIow firm 60 durometer-purple Each. S3OOPkg 014 5995 feather Ilte glass cloth 7 ozsq yd est weave Fastest Filling est Finished Weight Big 3 Sq Yard Pkg Detailed Instructions $895 Include S2 SOiltem UPS esidents Add 6% Sales Tax GATOR RIC PRODUCTS 3713 Pompano Dr acola FL 32514 476-8639 original landing gear left intact slightly bent Recovering refinishing done conventional manner Koverall fabric ni trate dope foregoing rather superfcial relating basic restoration steps necessarily omits host interesting details about Construction pioneer Gas model Plainly designers/builders drew heavily upon own judgement engineering skills fact DH flew flew well survived over half century testimonial abili ties August column will feature new Douglas Hardware model constructed master crafts man Ralph Beck also built Hangar 13 Special featured December 1987 issue cant wait Ralphs address RR #2 Box 131 Beloit WI 53511 can likely help truly interested person obtain working drawings Did know Joe Butler Granbury TX recently sent photos Ole Reliable fea tured construction article June 1978 sue MA available Full-Size Plan No 225$425 Smog Hog airfoil section letter called attention wild piece other model magazine accompanied construction article new Old-Timer hav ing wing loading 15 oz/sq ft protect author quote source Most us old geezers know prop erly balance aircraft However benefit new modelers following method use Mark underside wing next cabin windows dot corresponding CG position shown plans Place index fingers dots lift aircraft aircroft balanced hangs slightly 100 120 nose down Emphasis added Son gun years thought meant model nose-heavy truly age enlightenment RC Electrics/Kopski Continued page 51 tardly deed Wet-powered Amptique read right Howell Wet-powered Amp tique calls OStique Mercy What world coming What can say about Modeling funand doesnt really mat ter get need now someone send photo rubber-powered Amptique Lets see what might name about Elastique Some new connectors available CS Flight Systems Middleboro MA see ad rather small gold-plated tubular-pinand-socket-type parts solder cup accept up 15-gauge wire may very useful crowded installations insulated heat-shrink tubing supplied go $3 pair Id like point out CS has con stantly expanding discount catalog Electric goodies including connectors suggest invest two bucks Youll easily re cover cost first order subject connectors Id like also mention Sermos line has ad dition color addition familiar red black less familiar orange green white blue yellow John Sermos tells has now added grey gray Whatever less familiar colors available Sermos direct suggest check out ad issue Red black routinely available suppliers includ ing CS way John tells contacts product line specially made him contacts extra heavily plated silver result have very low loss can withstand uncountable number matings what its worth standard items installations Electrostreakagain Last months column detailed what very useful modifica tion Great Planes Electrostreaka hatch stallation month have another photo other assembly modification photo portion wing structure shows solid ribs Great Planes very weight conscious Electric designs PT J3 including having punchout portions wing ribs See photo PT Electric struc ture MA March 1989 So building Streak meticulously following highly de tailed instruction manual duly punched out lightening holes die-cut ribs tossed em trash got wondering wondered just much punchouts weighed Yeah dug through trash Found em too Something like 28 pieces grand total weight TRAINERFOAMAIRE SPAN Afl95 SPAN 74 WEIGHT 2 lbs 3 CH iWEIGHT 65-75 lbs POWER 0 cc A95 POWER 0 3 4 CHANNEL4CHutFOUR CHANNEL MONARCH SPAN EIGHT 2 lbs $1A 95 POWER 0 cc EY FOUR CHANNEL 158 Model Aviation CALL OR WRITE FOR FREE INFO4.-RT 1 NEODESHA KS 66757 ON SAC KITS AND QUADRA PRICES___316 325-2821 FREE SHIPPING ON KIT ORDERVISA MASTERCARD ACCEPTED