Diesel Delights Ever think about flying model diesel engines Maybe its time take closer look Modern diesels easy start operate let travel lightand seldom require muffler EDavid Boddington ITS SO ADDICTIVE ought ille gal After 40 years sniffing diesel fuel model diesel engine exhaust still havent enough senses get actthe pungent smells kerosene oil ether raw burnt satisfying feel starting diesel way sounds once its running Usually before model takes air Im feeling high Diesel model engines comparatively unknown misunderstood coun try internal-combustion engines have never popular Americas Europe lesser degree Japan Some American modelers seem hold contempt some early diesel engines produced small backyard operations several established manufacturerswere indeed real plunkers have performed perfectly well given excellent reliable service Having re cently test run some 88 diesels varying antiquity design reputation can con firm theyre easy operate fact 30 Model Aviation Diesels better known among British European modelers US M engine has produced years currently made England Premier its nara better new Merco 29 RC diesel ones real swinger Several dozen hundred diesels authors collection Hes offering auction highest bidder Bidding closes March 31 hurry Details text Made Derek Ailes great-performing Would like able walk flying field just can fuel transmitter reproduction Mills diesels range 13cc diesels can new irvine 20 engine lifts 5 1/2-lb camera carrier ease capacity top mere 13cc bottom STINSON SR8 1/5 SCALE 100 DOHAVILLAND BEAVER GIANT SCALE 96 SPERRY MESSENGER 1/4 SCALE 60 WACO 10 1/5 SCALE 73 failed run successfully Brits like put thor oughly clapped engines deserve greater popularity United States Fiction fallacies Lets begin cor recting some misconceptions about the ory operation model diesel engines Diesel engines fired igniting through compression fuel/air mixture cyl inder done aid glow spark plug higher compression ra tios diesels generally require achieved tight-fitting contrapiston top cylinder Although fixed compression ratio can used starting running adjustments improve contrapiston position variable rotating screw lever top cylinder head increas es decreases compression moving contrapiston up down Thus internal-combustion engines have two basic variable controls needle valve compression screw may frighten away potential users shouldnt Model diesel engine controls simple enough anyone slightest mechanical bent operate no trouble fact theyre intriguing work glow engine controls Forget myth diesel engines dif ficult start Once youve cultivated slightly different technique known diesel flick engines no harder others start operate flick start diesel simply spin over propeller little faster positively would glow engine little ex perience youll learn vary com pression setting Normally compression lever advanced slightly starting backed off after half minute en gine warms up model diesel engines have poor throttle response Unlike earlier designs used subpiston induction modem diesels use RC carburetors silencers accommodate var iable speeds Diesel engines small 05 cu 08cc can reliably throttled Fuel thought youd like try diesel engines cant obtain commercial fuel mixing own easy enough As glow fuel several different combina tions proportions ingredients may used number additives will give smoother running easier starting experience however diesels start operate readily simple 111 mula volume kerosene oil ether Use good-quality heating-grade lamp-grade kerosene colored plain ether maybe either solvent type used cleaning quick-start automotive fluid Medical ether works equally well its expensive sometimes difficult obtain Castor oil makes suitable lubricating agentif dont mind heavy exhaust residues Synthetic/castor combinations produce less exhaust cling Select mineral oil minimum viscosity SAE 50 multigrades unsuitable Since higher compression ratios bearing loads force diesel engines work harder diesel fuels generally have higher oil content glow fuels up one-third maximum basic fuel recipe given can use lower-oil formula well run ball-raced diesels down minimum 20% oil Diesel discoveries Now Ive canceled out negatives lets look some pos itives about diesels Diesels tractable theyll operate over wide speed range variety pro pellers general except smallcapacity versions used Control Line Free Flight competition diesels have excel lent low-speed torque characteristics en ables swing much larger props modest speeds equivalently sized glow engines vintage sport Free Flight RC designs thats distinct advantage screaming glow engine some form silencing essential slow-revving diesel its optional Thats great boon Scale modeling space muffler often tight decide use muf fler made diesel engines often much smaller convenient glow-engine counterparts itself has often convinced use diesel en2ine CoflunUed ~ige 160 March 1991 31 MAULE M51M6 ROCKETFAIRCHILD 24 114 SCALE 98GIANT SCALE 90 STITS PLAYBOY 1/3 SCALE 88 yourself favor IKON NWST Kit n world wide finest scale kits MAVERICK 40 4 just riles right Stable novice yet fully aerobatic Great second airplane top aerobatic trainer Contest grade balsa hand selected matched Machine-cut parts edges trued pertect fit Foam core wing balsa skin builds true easy Quick-build kits ready cover 8-10 hours Complete hardware package simply best Clear plans detailed instructions construction photos Handcrafted quality right price Ask see local dealer Wing Area 630 sq Wing Span 56 L Length 43 Power 40-50 4c/2c Weight 51/451/2 lbs Loading 19-20 oz/ft2 know wanC Co Ply LIST IARDEA Madrid Way Boca Raton FL 33432407-367-7744SHIP available dealer contact CARDEN $11495 $500 SALE $7995 ZLercaso RC Flying TodaylMyers Continued page 138 first setup used 1984 Airtronics CS-5H radio system has upgraded 1991 specs Airtronics Kalt gyro power controller plus mix Airtronics Fu taba Novak servos because changing pigtails problem instructions excellent Read adden dum pages 2 3 4 before start building wont have undo work particularly landing gear good instructions setting up power controller Follow installed receiver motor controller gyro control box Velcro seems work well gyro itself stuck down double-sided foam tape provided Kalt Ser vos mounted 2mm hardware pro vided needed tweezers magnifsing glass semi-difficult parts construction putting nuts servo mounting screws assembling scissor-arm 6 train A# m m m assembly main rotor shaft managed put scissors upside down necessi tated doing over again have work tiny nuts bolts parts built kit inside cover box laid white pillowcase bottom parts would lost two good ideas Its possible waste lot time looking black 2mm nut rug continued Diesel Delights/Boddington Continued page 31 smaller Scale models diesels economy fuel consumption permits use smaller fuel tanks Also fuel exhaust residue wont attack cellalose standard enamel finishes Diesels require minimum backup service thats biggest bonusesthey offer nice walk field just model transmitter can fuel FOUR CYCLE MUFFLERS IN-COWL TWO CYCLE MUFFLERS tar 19 4045-6075-1 3 enIssea Sivi S UPRIGHT OR INVERTED ENGINEUPRIGHT ENGINEISfIERTED ENGINE 4-40559405950 J5440 59401950 51-405 59-401950 005 S-404050 21-402 45402050 11690 95402050 1505 i304050 J1 55530025015693 555402250 4199194 MAO SItU254037402U 944040540 2540 1569394 MAO 955402540 J1-405S12094&STO-55402540JT402STCOSAOS19l1540 2040 J540300C0940STBS 15-402540 available hobby shop ORDER DIRECT return UPS shipment UPRIGHi SIDE INVERTEDUPRIGHT SIDE ENGINE 11-4045940195055-40559405950 51409 95402050 51006 95402052 11-40455-5402050 11406 155300250 15-50994 MAO 95-5402040 15-40594 944091-5402040 5T-009S1 COMO0105T5-40 4040 JT-ST 00940-SI 655540 2020 00000-- PIe. dd 250 UPS Check MO VISA NC COD Add 400 cairo COD oCeOdent add St eel. piece cleaning rag No starters batteries field boxes control panels other accoutre ments load up car per fect summer evenings beckon Conversion capabilities readers will already aware Davis Diesel conversion outfits Ive converted Cox 049 standard 19 glow engine suc cessfully Diesel operation imposes extra loads engine makes sense choose reasonably large glow engine conversion prefer stay within 29cu -in capacity Diesels larger tend become harsh clunky losing least some charm ease operation Although work going ahead experimental four-stroke diesel Neil Tidey Laser Engine fame con versions large-capacity Super Tigre 2000 series have successfully attempt ed think Ill settle smaller engines Continued page 162 OT-Q5S QUADRA 52 IT-Q85 QOODISA 82 JT-9ZS ZENSAH 23 IT-ZOO200003002 IT-SOS SOOSIS 3-4-5 -9MS MALOSEY 1000 IT-STS ST 25-3000 2995 Upright EngIne JT-Q3L QUADRA 35 rr-Q5L QUADRA 30 IT-Z3L ZENSMI 38 rr-9ZL ZIlISAJI 23 IT-Z6L 209003662 IT-QOL QUADRA 85 IT-DEL 5A221S 3-4-5 JT-96U MALO8EY 255 95 IT-OTh ST 25-3000 2995Invested Engne TARTAN SingS2500OT-Q3E QUADRA35 TARTAN ThinSi 55ST Q5E QUADRA50 IT 031 ZEIIOAJI38 IT QSR QUADRA 85 IT 926 ZENOAN 25 IT Z6E ZENOASI 62—N. IT SUE SACKS 343 0 IT iME MALONEY 150 IT STE ST2030002943 SIDE MOUNT MUFFLERS 29 95 Wi21ts 2995 2750 2995 IT-AUP29-40 fl-6OP45-61 IT- SlOOP MAX 91-508 IT-5T69P25915-ST61-15-90 JT-5T25P ST 2500-3000 160 Model Aviation INCOWLGIANT ENGINE MUFFLERS Molcrise So eosirse TosS p9e exlenSons mountIng UcOs sIchldee Upo gO no1164 EngineUpright/Invested EngIne IT Q 9 QUADRA 33 T QSS QUADRA504 T QOS QUADRA85 IT 9Z6 ZESSAD53 t IT 238 009503638 Ai IT SUE SACIISI 99th MALONEY 125-- 5 IT STE ST 25 3000 2991 Doyle S ilp/Inverted/Osde Engine 51 tOE 65154 462000 IT-PAD SOYA ot2000 1TQ34 QUAO0A 33 iT-LI911200 00 sss2300IT-9Z4209000 23 KSLOlA 60- 5552500IT-Z342080030 30 ITE196ENSA 20-22552500JT-2642090031 02 IT-ENS9510 9551202500IT-USASAO9S 345 IT-EKE99550 6 1202500IT-9M4MALOSISY 100 IT-ECUENIA 0 2252300ST-0T4SC 25-3000 WW IT-HASMAX VS 46-6820520 IT-HASMAX PS 40-482000 IT-SICMAO PU 052000IT-TSIS IT-kbMAX VS 612000IT-TET IT-N99MAX VS 9023520 IT-N90HAS VS 902500 IT-H29MAO PS 1202500 IT-142SHAS PS 2202300 IT-SASSALTS PA 452000 IT-DASSAlTS PA 432000 IT-SOCSAlTS VA 652000 IT-SOSSAlTS VA 052000 IT-025SAITO VA 1202300 12-020SAITO PA 2202500 IT-0025YS 2202300 IT-Y52510 220 THIRTY-SEVENTH ANNUAL RADIO CONTROL EXPOSITION APRIL 5 6 7 1991 FRIDAY9amto6pm SATURDAY9amto6pm SUNDAY9 am 430 pm TOLEDO SPORTS ARENA ONE MAIN STREET TOLEDO OHIO TICKETS can purchased door ADVANCE sending self-addressed stamped business size 41/8 x 91/2 enve lope TICKETS 38235 Castle Romulus MI 48174 orders above 10 tickets must include double postage US orders must include 25 cents per order handling charge foreign orders must include 50 cents per order handling charge need send addressed envelope will provide necessary postage NOTE Registered Express Type Mail Orders Will Accepted! Include check money order US funds made payable Weak Signals R/C Club Ticket prices $500 per day adults $100 per day children 12 under Please specify numberof Deadline ticket orders March 30 1991 sales final non-refundable Hotel info map area may obtained sending stamped self-addressed business size envelope ticket ad dress above Any other Exposition information avail able contacting Wayne Yeager co-di rector ticket address phone 313941-6661 Will Have Traditional Swap Shop Saturday Night Auction COMPETITION CLASSES NON-MILITARY SPORT SCALE PLANE AMA Rules MILITARY SPORT SCALE PLANE AMA Rules PRECISION SCALE PLANE AMA Rules PA11ERN PLANE No Jets SPORT MONOPLANE non-scale models SPORT BIPLANE non-scale models OLD TIMER FREE FLIGHT R/C ASSIST R/C SAILPLANE non-scale models No Engines HELICOPTER R/C CAR COMPETITION BOATffA\4 MILITARY SCALE BOATII iW II PLEASURE POWER BOAT WORKING VESSEL-UNARMED presented Weak Signals R/C Club Toledo Ohio Still convinced $10 can pur chase excellent publication titled Dr Diesels Diary ever wanted know about diesels Written ex-Brit Eric Clutton 40-plus-year member oily-hand brigade has never owned electric starter book explains de sign history operation model diesel engines book includes chapters fuels propellers exhaust systems compres sion adjustments starting conversions Eric also imports PAW engines sells diesel fuel castor oil Write him 913 Cedar Lane Tullahoma TN 37388 tel ephone 1-615/455-2256 Great Deal Diesels Ray Arden troduced high-revving high-powered glow engines busy taking interest equally new model diesel engine Ive stayed interested over 40 years During time owned operated diesels still practical standpoint collection hundred diesel engines too large Id rather see hands vintage enthusiasts serious engine collectors Now seems good oppor tunity offer sale let other modelers enjoy delights diesel diesels sound prac tical engines suitable Scale vintage use some exceptional Im Mills die sel freak collection includes proto type Mills 13 Mark 2 early never-run Mills 13 Mark 1 its original box Mark 2 equally pristine condition two good examples rare 24cc Mills Also brand-new boxed ED Mark 2 Competition Special Mark 4346 diesels will sold individually auction details send addressed envelope international postal coupons David Boddington Ivy Crest Ave nue Wellingborough Northants NN8 4ET England will send full list en gines sale including few glow en gines Bidding closes March 31 1991 giving just enough time send de tails return bid D Engine Auction Sale New Vintage Engines original boxes paperwork far can ascertained unrun 1 Mills 13cc Mark 1 No 11 995 2 Mills 13cc Mark 2 No 23 937 3 ED Mark 2 Competition Special No M198C 4 ED Mark 4 346 No E3/2/8 5 Doonside Mills 75cc No 109 Marine Engines 6 ED Sea Otter 346 No OM 40/C barely run 7 Taplin Twin No W22 18 heads air cooled conversion Unique Engine 8 Mills 13 Mark 2 No 1 EXP Prototype ED Engines 9 ED 46 Baby No BM39/5 55/11 Good con dition boxed 10 ED 46 Baby No HG 246852 Good 11 ED 46 Baby No 6C4158 Fair 12 ED Mk 1 Bee No J84C Good dirty box ali tank 13 ED Mk 1 Bee No 1 B6968 Good 14 ED Bee No VAl89C Excellent later exhaust stack boxed instructions etc 15 ED 146 Hornet No 2F1758 Good no fuel tank 16 ED 149 Super Fury No 5A73B Good early 17 ED 149 Super Fury FK65K Excellent later 18 ED 149 Super Fury RC w/exhaust No 7013 boxed test run 19 ED Mk 2 Competition Special No JS4C Good 20 ED Mk III 249 No 3A1R w/spare head tank Excellent 21 ED Mk III 249 No E3/1 w/spare head tank Excellent requires sleeve cut out 22 ED 246 Racer No 43386 Excellent w/exhaust stubs Elfin 23 24 25 26 Elfin 149 Good boxed Elfin 18 Radial Good running Elfin 18 Radial Good running requires prop driver Elfin 249 beam mounting Fair condition runs well Amco 27 Amco 35 No 821 Plain bearing Excellent 28 Amco 35 No 1661 Plain bearing Excel lent Oliver 29 Oliver Tiger No AT 3738 Excellent 30 Oliver Tiger No 31343R Excellent 31 Oliver Major ATR4 13 Good condition 162 Model Aviation D&J ELECTRONICS 900 Lucy Road ll Ml 48843 546-2644 service makes RIO equipment utilizing state tho art oloctronics Spectrum Analyzer Precision Frequency Moasuring equipment True 1991 Standards Wo endorsed AMA & ROMA Transmitter Sticker Program FCC LicensedSpeed Control RepairsQuality Service Transmitter Chocks Only includes GOLD/SILVER sticker$400 Transmitter & Receiver Calibration$2400 Frequency Upgrades & Changes crystals extra$2900 Bench Time Repairs per hour$2500 Transmitters service will receive AMA/ROMA sticker ADD $500 FOR SHIPPING & INSURANCE TURN AROUND TIME TWO WEEKS OR LESSIICOD UPS ISA/MASTERCARD ACCEPTED requires RC throttle spray bar AllbonIDC 32 Ailbon Bambi Good condition good run ning tank 33 AlIbon Bambi Good condition fair run ning no tank 34 AlIbon Bambi Complete except com pression screw no tank prop run 35 Original Alibon Dart No 185 Good condi non running 36 DC Dart red head Good condition running no tank 37 DC Dart Complete set parts two crankshafts assembled no tank AM Allen Mercury 38 AMlO green head Good condition ex cept slightly broken lug Good run ning fuel tank 39 AMiS blue head Good condition running 40 AM25 red head Fair condition good running 41 AM35 black head fair condition good running silencer JB 42 JB15 Atom Excellent condition running MVVS 43 MVVS 15cc Excellent condition fairly modern Jenna 44 Jenna 15 t horizontal intake Good condition running ME 45 ME Heron original manufacture disman tled spare crankcase Frog 46 Frog 100 Series II No 19716 91461 Good 47 Frog 180 No 6417 Good 48 Frog 180 No 7024 Fair run requires prop driver repairs 49 Frog 100 Mk 3 No H12285 red head Good boxed 50 Frog 100 gold head Good condition 51 Frog 149 No 1522 Vibramatic boxed instructions 52 Frog 150 blue head No F19704 53 Frog 150 MkII plain round head Good boxed instructions 54 Frog 249 RB modified No 5948 Good 55 Frog 349 plain bearing RC throttle ex haust manifold Very Good condition run ning 56 Frog 349 plain bearing RC throttle ex haust manifold Very good condition run ning Mills 57 Mills 75 Mkl Mills 13cc style crankcase No 33643 w/cut-out Very Good condition 58 Mills 75 No 75955 Excellent boxed 59 Mills 75 No 59364 w/cut-out Excellent 60 Mills 75 No 64524 Excellent 61 Mills 75 No 70745 Excellent 62 Mills 75 No 66841 w/o tank Good 63 Mills 75 No 71173 w/o tank Good 64 Mills 75 No 68698 w/o tank Fair runs well 65 Indian Mills 13cc Like new 66 Mills 13cc Mk 1 No 0784 Excellent condi tion 67 Mills 13cc Mk 2 No 22787 Excellent boxed instructions cutout 68 Mills 13cc Mk 2 No 36043 Excellent boxed 69 Mills 13cc Mk 2 No 19388 Very Good 70 Mills 13cc Mk 2 No 22787 Very Good 71 Mills 13cc Mk2 no number Good 72 Mills 13ccMk2 No 25229 Good no tank 73 Mills 13cc Mk 2 No 33779 Good 74 Mills 75 run parts complete except spray bar 74a Mills 13cc Mk 2 complete Two cylind ers run 75 Mills 24cc No 4577 Excellent condition 76 Mills 24cc No 4587 Excellent condition Spark Ignition 77 Ohisson 60 complete w/tank contact breakers Excellent condition Gb Engines 78 Frog 049 No 984 wfinstructions guar antees Boxed unrun 79 Eta 29 Gb No 0429025 Excellent condi tion 80 Early OS 29 No 21381 complete tank KLG plug Pre ma circa ap prox 1956 81 Frog 160 red glow No RG4097 Fair condi tion run requires reworked prop driver 82 Three Frog No 300 glo engines con verted RC w/broken lug excessive big end wear 83 Original Champion glo plug box 84 Two no-ignition coils Bank London Ltd condenser responding advertisers mention read about Model Aviation cockpitclear seal wood black floor instrument panels olive drab everything else painted inside cowl black finished firewall Hobby Poxy Formula II made canopy gluing thin plastic sheeting over framework Wilbold R/C-56three pieces front rear between canopy hoops canopy seams except the bottom windshield covered A-in-wide strips chrome MonoKote trim film used black trim tape seam bottom windshield Install antenna mast inside fuselage paint black fuelproof clear polyurethane Final assembly flying Wrap 6-oz Sullivan fuel tank foam rubber Install tank high far forward fu selage possible Wrap radio receiver batteries foam rubber install below fuel tank Install servos secure ends rudder elevator pushrods Set control throws about either side center rudder elevator about ailerons Check center-of-gravity adding weight necessary until matches shown plans Test run engine make sure throt March 1991 163 BT Vintage Trainer/Ross Continued page 45
Edition: Model Aviation - 1991/03
Page Numbers: 30, 31, 160, 162, 163
Diesel Delights Ever think about flying model diesel engines Maybe its time take closer look Modern diesels easy start operate let travel lightand seldom require muffler EDavid Boddington ITS SO ADDICTIVE ought ille gal After 40 years sniffing diesel fuel model diesel engine exhaust still havent enough senses get actthe pungent smells kerosene oil ether raw burnt satisfying feel starting diesel way sounds once its running Usually before model takes air Im feeling high Diesel model engines comparatively unknown misunderstood coun try internal-combustion engines have never popular Americas Europe lesser degree Japan Some American modelers seem hold contempt some early diesel engines produced small backyard operations several established manufacturerswere indeed real plunkers have performed perfectly well given excellent reliable service Having re cently test run some 88 diesels varying antiquity design reputation can con firm theyre easy operate fact 30 Model Aviation Diesels better known among British European modelers US M engine has produced years currently made England Premier its nara better new Merco 29 RC diesel ones real swinger Several dozen hundred diesels authors collection Hes offering auction highest bidder Bidding closes March 31 hurry Details text Made Derek Ailes great-performing Would like able walk flying field just can fuel transmitter reproduction Mills diesels range 13cc diesels can new irvine 20 engine lifts 5 1/2-lb camera carrier ease capacity top mere 13cc bottom STINSON SR8 1/5 SCALE 100 DOHAVILLAND BEAVER GIANT SCALE 96 SPERRY MESSENGER 1/4 SCALE 60 WACO 10 1/5 SCALE 73 failed run successfully Brits like put thor oughly clapped engines deserve greater popularity United States Fiction fallacies Lets begin cor recting some misconceptions about the ory operation model diesel engines Diesel engines fired igniting through compression fuel/air mixture cyl inder done aid glow spark plug higher compression ra tios diesels generally require achieved tight-fitting contrapiston top cylinder Although fixed compression ratio can used starting running adjustments improve contrapiston position variable rotating screw lever top cylinder head increas es decreases compression moving contrapiston up down Thus internal-combustion engines have two basic variable controls needle valve compression screw may frighten away potential users shouldnt Model diesel engine controls simple enough anyone slightest mechanical bent operate no trouble fact theyre intriguing work glow engine controls Forget myth diesel engines dif ficult start Once youve cultivated slightly different technique known diesel flick engines no harder others start operate flick start diesel simply spin over propeller little faster positively would glow engine little ex perience youll learn vary com pression setting Normally compression lever advanced slightly starting backed off after half minute en gine warms up model diesel engines have poor throttle response Unlike earlier designs used subpiston induction modem diesels use RC carburetors silencers accommodate var iable speeds Diesel engines small 05 cu 08cc can reliably throttled Fuel thought youd like try diesel engines cant obtain commercial fuel mixing own easy enough As glow fuel several different combina tions proportions ingredients may used number additives will give smoother running easier starting experience however diesels start operate readily simple 111 mula volume kerosene oil ether Use good-quality heating-grade lamp-grade kerosene colored plain ether maybe either solvent type used cleaning quick-start automotive fluid Medical ether works equally well its expensive sometimes difficult obtain Castor oil makes suitable lubricating agentif dont mind heavy exhaust residues Synthetic/castor combinations produce less exhaust cling Select mineral oil minimum viscosity SAE 50 multigrades unsuitable Since higher compression ratios bearing loads force diesel engines work harder diesel fuels generally have higher oil content glow fuels up one-third maximum basic fuel recipe given can use lower-oil formula well run ball-raced diesels down minimum 20% oil Diesel discoveries Now Ive canceled out negatives lets look some pos itives about diesels Diesels tractable theyll operate over wide speed range variety pro pellers general except smallcapacity versions used Control Line Free Flight competition diesels have excel lent low-speed torque characteristics en ables swing much larger props modest speeds equivalently sized glow engines vintage sport Free Flight RC designs thats distinct advantage screaming glow engine some form silencing essential slow-revving diesel its optional Thats great boon Scale modeling space muffler often tight decide use muf fler made diesel engines often much smaller convenient glow-engine counterparts itself has often convinced use diesel en2ine CoflunUed ~ige 160 March 1991 31 MAULE M51M6 ROCKETFAIRCHILD 24 114 SCALE 98GIANT SCALE 90 STITS PLAYBOY 1/3 SCALE 88 yourself favor IKON NWST Kit n world wide finest scale kits MAVERICK 40 4 just riles right Stable novice yet fully aerobatic Great second airplane top aerobatic trainer Contest grade balsa hand selected matched Machine-cut parts edges trued pertect fit Foam core wing balsa skin builds true easy Quick-build kits ready cover 8-10 hours Complete hardware package simply best Clear plans detailed instructions construction photos Handcrafted quality right price Ask see local dealer Wing Area 630 sq Wing Span 56 L Length 43 Power 40-50 4c/2c Weight 51/451/2 lbs Loading 19-20 oz/ft2 know wanC Co Ply LIST IARDEA Madrid Way Boca Raton FL 33432407-367-7744SHIP available dealer contact CARDEN $11495 $500 SALE $7995 ZLercaso RC Flying TodaylMyers Continued page 138 first setup used 1984 Airtronics CS-5H radio system has upgraded 1991 specs Airtronics Kalt gyro power controller plus mix Airtronics Fu taba Novak servos because changing pigtails problem instructions excellent Read adden dum pages 2 3 4 before start building wont have undo work particularly landing gear good instructions setting up power controller Follow installed receiver motor controller gyro control box Velcro seems work well gyro itself stuck down double-sided foam tape provided Kalt Ser vos mounted 2mm hardware pro vided needed tweezers magnifsing glass semi-difficult parts construction putting nuts servo mounting screws assembling scissor-arm 6 train A# m m m assembly main rotor shaft managed put scissors upside down necessi tated doing over again have work tiny nuts bolts parts built kit inside cover box laid white pillowcase bottom parts would lost two good ideas Its possible waste lot time looking black 2mm nut rug continued Diesel Delights/Boddington Continued page 31 smaller Scale models diesels economy fuel consumption permits use smaller fuel tanks Also fuel exhaust residue wont attack cellalose standard enamel finishes Diesels require minimum backup service thats biggest bonusesthey offer nice walk field just model transmitter can fuel FOUR CYCLE MUFFLERS IN-COWL TWO CYCLE MUFFLERS tar 19 4045-6075-1 3 enIssea Sivi S UPRIGHT OR INVERTED ENGINEUPRIGHT ENGINEISfIERTED ENGINE 4-40559405950 J5440 59401950 51-405 59-401950 005 S-404050 21-402 45402050 11690 95402050 1505 i304050 J1 55530025015693 555402250 4199194 MAO SItU254037402U 944040540 2540 1569394 MAO 955402540 J1-405S12094&STO-55402540JT402STCOSAOS19l1540 2040 J540300C0940STBS 15-402540 available hobby shop ORDER DIRECT return UPS shipment UPRIGHi SIDE INVERTEDUPRIGHT SIDE ENGINE 11-4045940195055-40559405950 51409 95402050 51006 95402052 11-40455-5402050 11406 155300250 15-50994 MAO 95-5402040 15-40594 944091-5402040 5T-009S1 COMO0105T5-40 4040 JT-ST 00940-SI 655540 2020 00000-- PIe. dd 250 UPS Check MO VISA NC COD Add 400 cairo COD oCeOdent add St eel. piece cleaning rag No starters batteries field boxes control panels other accoutre ments load up car per fect summer evenings beckon Conversion capabilities readers will already aware Davis Diesel conversion outfits Ive converted Cox 049 standard 19 glow engine suc cessfully Diesel operation imposes extra loads engine makes sense choose reasonably large glow engine conversion prefer stay within 29cu -in capacity Diesels larger tend become harsh clunky losing least some charm ease operation Although work going ahead experimental four-stroke diesel Neil Tidey Laser Engine fame con versions large-capacity Super Tigre 2000 series have successfully attempt ed think Ill settle smaller engines Continued page 162 OT-Q5S QUADRA 52 IT-Q85 QOODISA 82 JT-9ZS ZENSAH 23 IT-ZOO200003002 IT-SOS SOOSIS 3-4-5 -9MS MALOSEY 1000 IT-STS ST 25-3000 2995 Upright EngIne JT-Q3L QUADRA 35 rr-Q5L QUADRA 30 IT-Z3L ZENSMI 38 rr-9ZL ZIlISAJI 23 IT-Z6L 209003662 IT-QOL QUADRA 85 IT-DEL 5A221S 3-4-5 JT-96U MALO8EY 255 95 IT-OTh ST 25-3000 2995Invested Engne TARTAN SingS2500OT-Q3E QUADRA35 TARTAN ThinSi 55ST Q5E QUADRA50 IT 031 ZEIIOAJI38 IT QSR QUADRA 85 IT 926 ZENOAN 25 IT Z6E ZENOASI 62—N. IT SUE SACKS 343 0 IT iME MALONEY 150 IT STE ST2030002943 SIDE MOUNT MUFFLERS 29 95 Wi21ts 2995 2750 2995 IT-AUP29-40 fl-6OP45-61 IT- SlOOP MAX 91-508 IT-5T69P25915-ST61-15-90 JT-5T25P ST 2500-3000 160 Model Aviation INCOWLGIANT ENGINE MUFFLERS Molcrise So eosirse TosS p9e exlenSons mountIng UcOs sIchldee Upo gO no1164 EngineUpright/Invested EngIne IT Q 9 QUADRA 33 T QSS QUADRA504 T QOS QUADRA85 IT 9Z6 ZESSAD53 t IT 238 009503638 Ai IT SUE SACIISI 99th MALONEY 125-- 5 IT STE ST 25 3000 2991 Doyle S ilp/Inverted/Osde Engine 51 tOE 65154 462000 IT-PAD SOYA ot2000 1TQ34 QUAO0A 33 iT-LI911200 00 sss2300IT-9Z4209000 23 KSLOlA 60- 5552500IT-Z342080030 30 ITE196ENSA 20-22552500JT-2642090031 02 IT-ENS9510 9551202500IT-USASAO9S 345 IT-EKE99550 6 1202500IT-9M4MALOSISY 100 IT-ECUENIA 0 2252300ST-0T4SC 25-3000 WW IT-HASMAX VS 46-6820520 IT-HASMAX PS 40-482000 IT-SICMAO PU 052000IT-TSIS IT-kbMAX VS 612000IT-TET IT-N99MAX VS 9023520 IT-N90HAS VS 902500 IT-H29MAO PS 1202500 IT-142SHAS PS 2202300 IT-SASSALTS PA 452000 IT-DASSAlTS PA 432000 IT-SOCSAlTS VA 652000 IT-SOSSAlTS VA 052000 IT-025SAITO VA 1202300 12-020SAITO PA 2202500 IT-0025YS 2202300 IT-Y52510 220 THIRTY-SEVENTH ANNUAL RADIO CONTROL EXPOSITION APRIL 5 6 7 1991 FRIDAY9amto6pm SATURDAY9amto6pm SUNDAY9 am 430 pm TOLEDO SPORTS ARENA ONE MAIN STREET TOLEDO OHIO TICKETS can purchased door ADVANCE sending self-addressed stamped business size 41/8 x 91/2 enve lope TICKETS 38235 Castle Romulus MI 48174 orders above 10 tickets must include double postage US orders must include 25 cents per order handling charge foreign orders must include 50 cents per order handling charge need send addressed envelope will provide necessary postage NOTE Registered Express Type Mail Orders Will Accepted! Include check money order US funds made payable Weak Signals R/C Club Ticket prices $500 per day adults $100 per day children 12 under Please specify numberof Deadline ticket orders March 30 1991 sales final non-refundable Hotel info map area may obtained sending stamped self-addressed business size envelope ticket ad dress above Any other Exposition information avail able contacting Wayne Yeager co-di rector ticket address phone 313941-6661 Will Have Traditional Swap Shop Saturday Night Auction COMPETITION CLASSES NON-MILITARY SPORT SCALE PLANE AMA Rules MILITARY SPORT SCALE PLANE AMA Rules PRECISION SCALE PLANE AMA Rules PA11ERN PLANE No Jets SPORT MONOPLANE non-scale models SPORT BIPLANE non-scale models OLD TIMER FREE FLIGHT R/C ASSIST R/C SAILPLANE non-scale models No Engines HELICOPTER R/C CAR COMPETITION BOATffA\4 MILITARY SCALE BOATII iW II PLEASURE POWER BOAT WORKING VESSEL-UNARMED presented Weak Signals R/C Club Toledo Ohio Still convinced $10 can pur chase excellent publication titled Dr Diesels Diary ever wanted know about diesels Written ex-Brit Eric Clutton 40-plus-year member oily-hand brigade has never owned electric starter book explains de sign history operation model diesel engines book includes chapters fuels propellers exhaust systems compres sion adjustments starting conversions Eric also imports PAW engines sells diesel fuel castor oil Write him 913 Cedar Lane Tullahoma TN 37388 tel ephone 1-615/455-2256 Great Deal Diesels Ray Arden troduced high-revving high-powered glow engines busy taking interest equally new model diesel engine Ive stayed interested over 40 years During time owned operated diesels still practical standpoint collection hundred diesel engines too large Id rather see hands vintage enthusiasts serious engine collectors Now seems good oppor tunity offer sale let other modelers enjoy delights diesel diesels sound prac tical engines suitable Scale vintage use some exceptional Im Mills die sel freak collection includes proto type Mills 13 Mark 2 early never-run Mills 13 Mark 1 its original box Mark 2 equally pristine condition two good examples rare 24cc Mills Also brand-new boxed ED Mark 2 Competition Special Mark 4346 diesels will sold individually auction details send addressed envelope international postal coupons David Boddington Ivy Crest Ave nue Wellingborough Northants NN8 4ET England will send full list en gines sale including few glow en gines Bidding closes March 31 1991 giving just enough time send de tails return bid D Engine Auction Sale New Vintage Engines original boxes paperwork far can ascertained unrun 1 Mills 13cc Mark 1 No 11 995 2 Mills 13cc Mark 2 No 23 937 3 ED Mark 2 Competition Special No M198C 4 ED Mark 4 346 No E3/2/8 5 Doonside Mills 75cc No 109 Marine Engines 6 ED Sea Otter 346 No OM 40/C barely run 7 Taplin Twin No W22 18 heads air cooled conversion Unique Engine 8 Mills 13 Mark 2 No 1 EXP Prototype ED Engines 9 ED 46 Baby No BM39/5 55/11 Good con dition boxed 10 ED 46 Baby No HG 246852 Good 11 ED 46 Baby No 6C4158 Fair 12 ED Mk 1 Bee No J84C Good dirty box ali tank 13 ED Mk 1 Bee No 1 B6968 Good 14 ED Bee No VAl89C Excellent later exhaust stack boxed instructions etc 15 ED 146 Hornet No 2F1758 Good no fuel tank 16 ED 149 Super Fury No 5A73B Good early 17 ED 149 Super Fury FK65K Excellent later 18 ED 149 Super Fury RC w/exhaust No 7013 boxed test run 19 ED Mk 2 Competition Special No JS4C Good 20 ED Mk III 249 No 3A1R w/spare head tank Excellent 21 ED Mk III 249 No E3/1 w/spare head tank Excellent requires sleeve cut out 22 ED 246 Racer No 43386 Excellent w/exhaust stubs Elfin 23 24 25 26 Elfin 149 Good boxed Elfin 18 Radial Good running Elfin 18 Radial Good running requires prop driver Elfin 249 beam mounting Fair condition runs well Amco 27 Amco 35 No 821 Plain bearing Excellent 28 Amco 35 No 1661 Plain bearing Excel lent Oliver 29 Oliver Tiger No AT 3738 Excellent 30 Oliver Tiger No 31343R Excellent 31 Oliver Major ATR4 13 Good condition 162 Model Aviation D&J ELECTRONICS 900 Lucy Road ll Ml 48843 546-2644 service makes RIO equipment utilizing state tho art oloctronics Spectrum Analyzer Precision Frequency Moasuring equipment True 1991 Standards Wo endorsed AMA & ROMA Transmitter Sticker Program FCC LicensedSpeed Control RepairsQuality Service Transmitter Chocks Only includes GOLD/SILVER sticker$400 Transmitter & Receiver Calibration$2400 Frequency Upgrades & Changes crystals extra$2900 Bench Time Repairs per hour$2500 Transmitters service will receive AMA/ROMA sticker ADD $500 FOR SHIPPING & INSURANCE TURN AROUND TIME TWO WEEKS OR LESSIICOD UPS ISA/MASTERCARD ACCEPTED requires RC throttle spray bar AllbonIDC 32 Ailbon Bambi Good condition good run ning tank 33 AlIbon Bambi Good condition fair run ning no tank 34 AlIbon Bambi Complete except com pression screw no tank prop run 35 Original Alibon Dart No 185 Good condi non running 36 DC Dart red head Good condition running no tank 37 DC Dart Complete set parts two crankshafts assembled no tank AM Allen Mercury 38 AMlO green head Good condition ex cept slightly broken lug Good run ning fuel tank 39 AMiS blue head Good condition running 40 AM25 red head Fair condition good running 41 AM35 black head fair condition good running silencer JB 42 JB15 Atom Excellent condition running MVVS 43 MVVS 15cc Excellent condition fairly modern Jenna 44 Jenna 15 t horizontal intake Good condition running ME 45 ME Heron original manufacture disman tled spare crankcase Frog 46 Frog 100 Series II No 19716 91461 Good 47 Frog 180 No 6417 Good 48 Frog 180 No 7024 Fair run requires prop driver repairs 49 Frog 100 Mk 3 No H12285 red head Good boxed 50 Frog 100 gold head Good condition 51 Frog 149 No 1522 Vibramatic boxed instructions 52 Frog 150 blue head No F19704 53 Frog 150 MkII plain round head Good boxed instructions 54 Frog 249 RB modified No 5948 Good 55 Frog 349 plain bearing RC throttle ex haust manifold Very Good condition run ning 56 Frog 349 plain bearing RC throttle ex haust manifold Very good condition run ning Mills 57 Mills 75 Mkl Mills 13cc style crankcase No 33643 w/cut-out Very Good condition 58 Mills 75 No 75955 Excellent boxed 59 Mills 75 No 59364 w/cut-out Excellent 60 Mills 75 No 64524 Excellent 61 Mills 75 No 70745 Excellent 62 Mills 75 No 66841 w/o tank Good 63 Mills 75 No 71173 w/o tank Good 64 Mills 75 No 68698 w/o tank Fair runs well 65 Indian Mills 13cc Like new 66 Mills 13cc Mk 1 No 0784 Excellent condi tion 67 Mills 13cc Mk 2 No 22787 Excellent boxed instructions cutout 68 Mills 13cc Mk 2 No 36043 Excellent boxed 69 Mills 13cc Mk 2 No 19388 Very Good 70 Mills 13cc Mk 2 No 22787 Very Good 71 Mills 13cc Mk2 no number Good 72 Mills 13ccMk2 No 25229 Good no tank 73 Mills 13cc Mk 2 No 33779 Good 74 Mills 75 run parts complete except spray bar 74a Mills 13cc Mk 2 complete Two cylind ers run 75 Mills 24cc No 4577 Excellent condition 76 Mills 24cc No 4587 Excellent condition Spark Ignition 77 Ohisson 60 complete w/tank contact breakers Excellent condition Gb Engines 78 Frog 049 No 984 wfinstructions guar antees Boxed unrun 79 Eta 29 Gb No 0429025 Excellent condi tion 80 Early OS 29 No 21381 complete tank KLG plug Pre ma circa ap prox 1956 81 Frog 160 red glow No RG4097 Fair condi tion run requires reworked prop driver 82 Three Frog No 300 glo engines con verted RC w/broken lug excessive big end wear 83 Original Champion glo plug box 84 Two no-ignition coils Bank London Ltd condenser responding advertisers mention read about Model Aviation cockpitclear seal wood black floor instrument panels olive drab everything else painted inside cowl black finished firewall Hobby Poxy Formula II made canopy gluing thin plastic sheeting over framework Wilbold R/C-56three pieces front rear between canopy hoops canopy seams except the bottom windshield covered A-in-wide strips chrome MonoKote trim film used black trim tape seam bottom windshield Install antenna mast inside fuselage paint black fuelproof clear polyurethane Final assembly flying Wrap 6-oz Sullivan fuel tank foam rubber Install tank high far forward fu selage possible Wrap radio receiver batteries foam rubber install below fuel tank Install servos secure ends rudder elevator pushrods Set control throws about either side center rudder elevator about ailerons Check center-of-gravity adding weight necessary until matches shown plans Test run engine make sure throt March 1991 163 BT Vintage Trainer/Ross Continued page 45
Edition: Model Aviation - 1991/03
Page Numbers: 30, 31, 160, 162, 163
Diesel Delights Ever think about flying model diesel engines Maybe its time take closer look Modern diesels easy start operate let travel lightand seldom require muffler EDavid Boddington ITS SO ADDICTIVE ought ille gal After 40 years sniffing diesel fuel model diesel engine exhaust still havent enough senses get actthe pungent smells kerosene oil ether raw burnt satisfying feel starting diesel way sounds once its running Usually before model takes air Im feeling high Diesel model engines comparatively unknown misunderstood coun try internal-combustion engines have never popular Americas Europe lesser degree Japan Some American modelers seem hold contempt some early diesel engines produced small backyard operations several established manufacturerswere indeed real plunkers have performed perfectly well given excellent reliable service Having re cently test run some 88 diesels varying antiquity design reputation can con firm theyre easy operate fact 30 Model Aviation Diesels better known among British European modelers US M engine has produced years currently made England Premier its nara better new Merco 29 RC diesel ones real swinger Several dozen hundred diesels authors collection Hes offering auction highest bidder Bidding closes March 31 hurry Details text Made Derek Ailes great-performing Would like able walk flying field just can fuel transmitter reproduction Mills diesels range 13cc diesels can new irvine 20 engine lifts 5 1/2-lb camera carrier ease capacity top mere 13cc bottom STINSON SR8 1/5 SCALE 100 DOHAVILLAND BEAVER GIANT SCALE 96 SPERRY MESSENGER 1/4 SCALE 60 WACO 10 1/5 SCALE 73 failed run successfully Brits like put thor oughly clapped engines deserve greater popularity United States Fiction fallacies Lets begin cor recting some misconceptions about the ory operation model diesel engines Diesel engines fired igniting through compression fuel/air mixture cyl inder done aid glow spark plug higher compression ra tios diesels generally require achieved tight-fitting contrapiston top cylinder Although fixed compression ratio can used starting running adjustments improve contrapiston position variable rotating screw lever top cylinder head increas es decreases compression moving contrapiston up down Thus internal-combustion engines have two basic variable controls needle valve compression screw may frighten away potential users shouldnt Model diesel engine controls simple enough anyone slightest mechanical bent operate no trouble fact theyre intriguing work glow engine controls Forget myth diesel engines dif ficult start Once youve cultivated slightly different technique known diesel flick engines no harder others start operate flick start diesel simply spin over propeller little faster positively would glow engine little ex perience youll learn vary com pression setting Normally compression lever advanced slightly starting backed off after half minute en gine warms up model diesel engines have poor throttle response Unlike earlier designs used subpiston induction modem diesels use RC carburetors silencers accommodate var iable speeds Diesel engines small 05 cu 08cc can reliably throttled Fuel thought youd like try diesel engines cant obtain commercial fuel mixing own easy enough As glow fuel several different combina tions proportions ingredients may used number additives will give smoother running easier starting experience however diesels start operate readily simple 111 mula volume kerosene oil ether Use good-quality heating-grade lamp-grade kerosene colored plain ether maybe either solvent type used cleaning quick-start automotive fluid Medical ether works equally well its expensive sometimes difficult obtain Castor oil makes suitable lubricating agentif dont mind heavy exhaust residues Synthetic/castor combinations produce less exhaust cling Select mineral oil minimum viscosity SAE 50 multigrades unsuitable Since higher compression ratios bearing loads force diesel engines work harder diesel fuels generally have higher oil content glow fuels up one-third maximum basic fuel recipe given can use lower-oil formula well run ball-raced diesels down minimum 20% oil Diesel discoveries Now Ive canceled out negatives lets look some pos itives about diesels Diesels tractable theyll operate over wide speed range variety pro pellers general except smallcapacity versions used Control Line Free Flight competition diesels have excel lent low-speed torque characteristics en ables swing much larger props modest speeds equivalently sized glow engines vintage sport Free Flight RC designs thats distinct advantage screaming glow engine some form silencing essential slow-revving diesel its optional Thats great boon Scale modeling space muffler often tight decide use muf fler made diesel engines often much smaller convenient glow-engine counterparts itself has often convinced use diesel en2ine CoflunUed ~ige 160 March 1991 31 MAULE M51M6 ROCKETFAIRCHILD 24 114 SCALE 98GIANT SCALE 90 STITS PLAYBOY 1/3 SCALE 88 yourself favor IKON NWST Kit n world wide finest scale kits MAVERICK 40 4 just riles right Stable novice yet fully aerobatic Great second airplane top aerobatic trainer Contest grade balsa hand selected matched Machine-cut parts edges trued pertect fit Foam core wing balsa skin builds true easy Quick-build kits ready cover 8-10 hours Complete hardware package simply best Clear plans detailed instructions construction photos Handcrafted quality right price Ask see local dealer Wing Area 630 sq Wing Span 56 L Length 43 Power 40-50 4c/2c Weight 51/451/2 lbs Loading 19-20 oz/ft2 know wanC Co Ply LIST IARDEA Madrid Way Boca Raton FL 33432407-367-7744SHIP available dealer contact CARDEN $11495 $500 SALE $7995 ZLercaso RC Flying TodaylMyers Continued page 138 first setup used 1984 Airtronics CS-5H radio system has upgraded 1991 specs Airtronics Kalt gyro power controller plus mix Airtronics Fu taba Novak servos because changing pigtails problem instructions excellent Read adden dum pages 2 3 4 before start building wont have undo work particularly landing gear good instructions setting up power controller Follow installed receiver motor controller gyro control box Velcro seems work well gyro itself stuck down double-sided foam tape provided Kalt Ser vos mounted 2mm hardware pro vided needed tweezers magnifsing glass semi-difficult parts construction putting nuts servo mounting screws assembling scissor-arm 6 train A# m m m assembly main rotor shaft managed put scissors upside down necessi tated doing over again have work tiny nuts bolts parts built kit inside cover box laid white pillowcase bottom parts would lost two good ideas Its possible waste lot time looking black 2mm nut rug continued Diesel Delights/Boddington Continued page 31 smaller Scale models diesels economy fuel consumption permits use smaller fuel tanks Also fuel exhaust residue wont attack cellalose standard enamel finishes Diesels require minimum backup service thats biggest bonusesthey offer nice walk field just model transmitter can fuel FOUR CYCLE MUFFLERS IN-COWL TWO CYCLE MUFFLERS tar 19 4045-6075-1 3 enIssea Sivi S UPRIGHT OR INVERTED ENGINEUPRIGHT ENGINEISfIERTED ENGINE 4-40559405950 J5440 59401950 51-405 59-401950 005 S-404050 21-402 45402050 11690 95402050 1505 i304050 J1 55530025015693 555402250 4199194 MAO SItU254037402U 944040540 2540 1569394 MAO 955402540 J1-405S12094&STO-55402540JT402STCOSAOS19l1540 2040 J540300C0940STBS 15-402540 available hobby shop ORDER DIRECT return UPS shipment UPRIGHi SIDE INVERTEDUPRIGHT SIDE ENGINE 11-4045940195055-40559405950 51409 95402050 51006 95402052 11-40455-5402050 11406 155300250 15-50994 MAO 95-5402040 15-40594 944091-5402040 5T-009S1 COMO0105T5-40 4040 JT-ST 00940-SI 655540 2020 00000-- PIe. dd 250 UPS Check MO VISA NC COD Add 400 cairo COD oCeOdent add St eel. piece cleaning rag No starters batteries field boxes control panels other accoutre ments load up car per fect summer evenings beckon Conversion capabilities readers will already aware Davis Diesel conversion outfits Ive converted Cox 049 standard 19 glow engine suc cessfully Diesel operation imposes extra loads engine makes sense choose reasonably large glow engine conversion prefer stay within 29cu -in capacity Diesels larger tend become harsh clunky losing least some charm ease operation Although work going ahead experimental four-stroke diesel Neil Tidey Laser Engine fame con versions large-capacity Super Tigre 2000 series have successfully attempt ed think Ill settle smaller engines Continued page 162 OT-Q5S QUADRA 52 IT-Q85 QOODISA 82 JT-9ZS ZENSAH 23 IT-ZOO200003002 IT-SOS SOOSIS 3-4-5 -9MS MALOSEY 1000 IT-STS ST 25-3000 2995 Upright EngIne JT-Q3L QUADRA 35 rr-Q5L QUADRA 30 IT-Z3L ZENSMI 38 rr-9ZL ZIlISAJI 23 IT-Z6L 209003662 IT-QOL QUADRA 85 IT-DEL 5A221S 3-4-5 JT-96U MALO8EY 255 95 IT-OTh ST 25-3000 2995Invested Engne TARTAN SingS2500OT-Q3E QUADRA35 TARTAN ThinSi 55ST Q5E QUADRA50 IT 031 ZEIIOAJI38 IT QSR QUADRA 85 IT 926 ZENOAN 25 IT Z6E ZENOASI 62—N. IT SUE SACKS 343 0 IT iME MALONEY 150 IT STE ST2030002943 SIDE MOUNT MUFFLERS 29 95 Wi21ts 2995 2750 2995 IT-AUP29-40 fl-6OP45-61 IT- SlOOP MAX 91-508 IT-5T69P25915-ST61-15-90 JT-5T25P ST 2500-3000 160 Model Aviation INCOWLGIANT ENGINE MUFFLERS Molcrise So eosirse TosS p9e exlenSons mountIng UcOs sIchldee Upo gO no1164 EngineUpright/Invested EngIne IT Q 9 QUADRA 33 T QSS QUADRA504 T QOS QUADRA85 IT 9Z6 ZESSAD53 t IT 238 009503638 Ai IT SUE SACIISI 99th MALONEY 125-- 5 IT STE ST 25 3000 2991 Doyle S ilp/Inverted/Osde Engine 51 tOE 65154 462000 IT-PAD SOYA ot2000 1TQ34 QUAO0A 33 iT-LI911200 00 sss2300IT-9Z4209000 23 KSLOlA 60- 5552500IT-Z342080030 30 ITE196ENSA 20-22552500JT-2642090031 02 IT-ENS9510 9551202500IT-USASAO9S 345 IT-EKE99550 6 1202500IT-9M4MALOSISY 100 IT-ECUENIA 0 2252300ST-0T4SC 25-3000 WW IT-HASMAX VS 46-6820520 IT-HASMAX PS 40-482000 IT-SICMAO PU 052000IT-TSIS IT-kbMAX VS 612000IT-TET IT-N99MAX VS 9023520 IT-N90HAS VS 902500 IT-H29MAO PS 1202500 IT-142SHAS PS 2202300 IT-SASSALTS PA 452000 IT-DASSAlTS PA 432000 IT-SOCSAlTS VA 652000 IT-SOSSAlTS VA 052000 IT-025SAITO VA 1202300 12-020SAITO PA 2202500 IT-0025YS 2202300 IT-Y52510 220 THIRTY-SEVENTH ANNUAL RADIO CONTROL EXPOSITION APRIL 5 6 7 1991 FRIDAY9amto6pm SATURDAY9amto6pm SUNDAY9 am 430 pm TOLEDO SPORTS ARENA ONE MAIN STREET TOLEDO OHIO TICKETS can purchased door ADVANCE sending self-addressed stamped business size 41/8 x 91/2 enve lope TICKETS 38235 Castle Romulus MI 48174 orders above 10 tickets must include double postage US orders must include 25 cents per order handling charge foreign orders must include 50 cents per order handling charge need send addressed envelope will provide necessary postage NOTE Registered Express Type Mail Orders Will Accepted! Include check money order US funds made payable Weak Signals R/C Club Ticket prices $500 per day adults $100 per day children 12 under Please specify numberof Deadline ticket orders March 30 1991 sales final non-refundable Hotel info map area may obtained sending stamped self-addressed business size envelope ticket ad dress above Any other Exposition information avail able contacting Wayne Yeager co-di rector ticket address phone 313941-6661 Will Have Traditional Swap Shop Saturday Night Auction COMPETITION CLASSES NON-MILITARY SPORT SCALE PLANE AMA Rules MILITARY SPORT SCALE PLANE AMA Rules PRECISION SCALE PLANE AMA Rules PA11ERN PLANE No Jets SPORT MONOPLANE non-scale models SPORT BIPLANE non-scale models OLD TIMER FREE FLIGHT R/C ASSIST R/C SAILPLANE non-scale models No Engines HELICOPTER R/C CAR COMPETITION BOATffA\4 MILITARY SCALE BOATII iW II PLEASURE POWER BOAT WORKING VESSEL-UNARMED presented Weak Signals R/C Club Toledo Ohio Still convinced $10 can pur chase excellent publication titled Dr Diesels Diary ever wanted know about diesels Written ex-Brit Eric Clutton 40-plus-year member oily-hand brigade has never owned electric starter book explains de sign history operation model diesel engines book includes chapters fuels propellers exhaust systems compres sion adjustments starting conversions Eric also imports PAW engines sells diesel fuel castor oil Write him 913 Cedar Lane Tullahoma TN 37388 tel ephone 1-615/455-2256 Great Deal Diesels Ray Arden troduced high-revving high-powered glow engines busy taking interest equally new model diesel engine Ive stayed interested over 40 years During time owned operated diesels still practical standpoint collection hundred diesel engines too large Id rather see hands vintage enthusiasts serious engine collectors Now seems good oppor tunity offer sale let other modelers enjoy delights diesel diesels sound prac tical engines suitable Scale vintage use some exceptional Im Mills die sel freak collection includes proto type Mills 13 Mark 2 early never-run Mills 13 Mark 1 its original box Mark 2 equally pristine condition two good examples rare 24cc Mills Also brand-new boxed ED Mark 2 Competition Special Mark 4346 diesels will sold individually auction details send addressed envelope international postal coupons David Boddington Ivy Crest Ave nue Wellingborough Northants NN8 4ET England will send full list en gines sale including few glow en gines Bidding closes March 31 1991 giving just enough time send de tails return bid D Engine Auction Sale New Vintage Engines original boxes paperwork far can ascertained unrun 1 Mills 13cc Mark 1 No 11 995 2 Mills 13cc Mark 2 No 23 937 3 ED Mark 2 Competition Special No M198C 4 ED Mark 4 346 No E3/2/8 5 Doonside Mills 75cc No 109 Marine Engines 6 ED Sea Otter 346 No OM 40/C barely run 7 Taplin Twin No W22 18 heads air cooled conversion Unique Engine 8 Mills 13 Mark 2 No 1 EXP Prototype ED Engines 9 ED 46 Baby No BM39/5 55/11 Good con dition boxed 10 ED 46 Baby No HG 246852 Good 11 ED 46 Baby No 6C4158 Fair 12 ED Mk 1 Bee No J84C Good dirty box ali tank 13 ED Mk 1 Bee No 1 B6968 Good 14 ED Bee No VAl89C Excellent later exhaust stack boxed instructions etc 15 ED 146 Hornet No 2F1758 Good no fuel tank 16 ED 149 Super Fury No 5A73B Good early 17 ED 149 Super Fury FK65K Excellent later 18 ED 149 Super Fury RC w/exhaust No 7013 boxed test run 19 ED Mk 2 Competition Special No JS4C Good 20 ED Mk III 249 No 3A1R w/spare head tank Excellent 21 ED Mk III 249 No E3/1 w/spare head tank Excellent requires sleeve cut out 22 ED 246 Racer No 43386 Excellent w/exhaust stubs Elfin 23 24 25 26 Elfin 149 Good boxed Elfin 18 Radial Good running Elfin 18 Radial Good running requires prop driver Elfin 249 beam mounting Fair condition runs well Amco 27 Amco 35 No 821 Plain bearing Excellent 28 Amco 35 No 1661 Plain bearing Excel lent Oliver 29 Oliver Tiger No AT 3738 Excellent 30 Oliver Tiger No 31343R Excellent 31 Oliver Major ATR4 13 Good condition 162 Model Aviation D&J ELECTRONICS 900 Lucy Road ll Ml 48843 546-2644 service makes RIO equipment utilizing state tho art oloctronics Spectrum Analyzer Precision Frequency Moasuring equipment True 1991 Standards Wo endorsed AMA & ROMA Transmitter Sticker Program FCC LicensedSpeed Control RepairsQuality Service Transmitter Chocks Only includes GOLD/SILVER sticker$400 Transmitter & Receiver Calibration$2400 Frequency Upgrades & Changes crystals extra$2900 Bench Time Repairs per hour$2500 Transmitters service will receive AMA/ROMA sticker ADD $500 FOR SHIPPING & INSURANCE TURN AROUND TIME TWO WEEKS OR LESSIICOD UPS ISA/MASTERCARD ACCEPTED requires RC throttle spray bar AllbonIDC 32 Ailbon Bambi Good condition good run ning tank 33 AlIbon Bambi Good condition fair run ning no tank 34 AlIbon Bambi Complete except com pression screw no tank prop run 35 Original Alibon Dart No 185 Good condi non running 36 DC Dart red head Good condition running no tank 37 DC Dart Complete set parts two crankshafts assembled no tank AM Allen Mercury 38 AMlO green head Good condition ex cept slightly broken lug Good run ning fuel tank 39 AMiS blue head Good condition running 40 AM25 red head Fair condition good running 41 AM35 black head fair condition good running silencer JB 42 JB15 Atom Excellent condition running MVVS 43 MVVS 15cc Excellent condition fairly modern Jenna 44 Jenna 15 t horizontal intake Good condition running ME 45 ME Heron original manufacture disman tled spare crankcase Frog 46 Frog 100 Series II No 19716 91461 Good 47 Frog 180 No 6417 Good 48 Frog 180 No 7024 Fair run requires prop driver repairs 49 Frog 100 Mk 3 No H12285 red head Good boxed 50 Frog 100 gold head Good condition 51 Frog 149 No 1522 Vibramatic boxed instructions 52 Frog 150 blue head No F19704 53 Frog 150 MkII plain round head Good boxed instructions 54 Frog 249 RB modified No 5948 Good 55 Frog 349 plain bearing RC throttle ex haust manifold Very Good condition run ning 56 Frog 349 plain bearing RC throttle ex haust manifold Very good condition run ning Mills 57 Mills 75 Mkl Mills 13cc style crankcase No 33643 w/cut-out Very Good condition 58 Mills 75 No 75955 Excellent boxed 59 Mills 75 No 59364 w/cut-out Excellent 60 Mills 75 No 64524 Excellent 61 Mills 75 No 70745 Excellent 62 Mills 75 No 66841 w/o tank Good 63 Mills 75 No 71173 w/o tank Good 64 Mills 75 No 68698 w/o tank Fair runs well 65 Indian Mills 13cc Like new 66 Mills 13cc Mk 1 No 0784 Excellent condi tion 67 Mills 13cc Mk 2 No 22787 Excellent boxed instructions cutout 68 Mills 13cc Mk 2 No 36043 Excellent boxed 69 Mills 13cc Mk 2 No 19388 Very Good 70 Mills 13cc Mk 2 No 22787 Very Good 71 Mills 13cc Mk2 no number Good 72 Mills 13ccMk2 No 25229 Good no tank 73 Mills 13cc Mk 2 No 33779 Good 74 Mills 75 run parts complete except spray bar 74a Mills 13cc Mk 2 complete Two cylind ers run 75 Mills 24cc No 4577 Excellent condition 76 Mills 24cc No 4587 Excellent condition Spark Ignition 77 Ohisson 60 complete w/tank contact breakers Excellent condition Gb Engines 78 Frog 049 No 984 wfinstructions guar antees Boxed unrun 79 Eta 29 Gb No 0429025 Excellent condi tion 80 Early OS 29 No 21381 complete tank KLG plug Pre ma circa ap prox 1956 81 Frog 160 red glow No RG4097 Fair condi tion run requires reworked prop driver 82 Three Frog No 300 glo engines con verted RC w/broken lug excessive big end wear 83 Original Champion glo plug box 84 Two no-ignition coils Bank London Ltd condenser responding advertisers mention read about Model Aviation cockpitclear seal wood black floor instrument panels olive drab everything else painted inside cowl black finished firewall Hobby Poxy Formula II made canopy gluing thin plastic sheeting over framework Wilbold R/C-56three pieces front rear between canopy hoops canopy seams except the bottom windshield covered A-in-wide strips chrome MonoKote trim film used black trim tape seam bottom windshield Install antenna mast inside fuselage paint black fuelproof clear polyurethane Final assembly flying Wrap 6-oz Sullivan fuel tank foam rubber Install tank high far forward fu selage possible Wrap radio receiver batteries foam rubber install below fuel tank Install servos secure ends rudder elevator pushrods Set control throws about either side center rudder elevator about ailerons Check center-of-gravity adding weight necessary until matches shown plans Test run engine make sure throt March 1991 163 BT Vintage Trainer/Ross Continued page 45
Edition: Model Aviation - 1991/03
Page Numbers: 30, 31, 160, 162, 163
Diesel Delights Ever think about flying model diesel engines Maybe its time take closer look Modern diesels easy start operate let travel lightand seldom require muffler EDavid Boddington ITS SO ADDICTIVE ought ille gal After 40 years sniffing diesel fuel model diesel engine exhaust still havent enough senses get actthe pungent smells kerosene oil ether raw burnt satisfying feel starting diesel way sounds once its running Usually before model takes air Im feeling high Diesel model engines comparatively unknown misunderstood coun try internal-combustion engines have never popular Americas Europe lesser degree Japan Some American modelers seem hold contempt some early diesel engines produced small backyard operations several established manufacturerswere indeed real plunkers have performed perfectly well given excellent reliable service Having re cently test run some 88 diesels varying antiquity design reputation can con firm theyre easy operate fact 30 Model Aviation Diesels better known among British European modelers US M engine has produced years currently made England Premier its nara better new Merco 29 RC diesel ones real swinger Several dozen hundred diesels authors collection Hes offering auction highest bidder Bidding closes March 31 hurry Details text Made Derek Ailes great-performing Would like able walk flying field just can fuel transmitter reproduction Mills diesels range 13cc diesels can new irvine 20 engine lifts 5 1/2-lb camera carrier ease capacity top mere 13cc bottom STINSON SR8 1/5 SCALE 100 DOHAVILLAND BEAVER GIANT SCALE 96 SPERRY MESSENGER 1/4 SCALE 60 WACO 10 1/5 SCALE 73 failed run successfully Brits like put thor oughly clapped engines deserve greater popularity United States Fiction fallacies Lets begin cor recting some misconceptions about the ory operation model diesel engines Diesel engines fired igniting through compression fuel/air mixture cyl inder done aid glow spark plug higher compression ra tios diesels generally require achieved tight-fitting contrapiston top cylinder Although fixed compression ratio can used starting running adjustments improve contrapiston position variable rotating screw lever top cylinder head increas es decreases compression moving contrapiston up down Thus internal-combustion engines have two basic variable controls needle valve compression screw may frighten away potential users shouldnt Model diesel engine controls simple enough anyone slightest mechanical bent operate no trouble fact theyre intriguing work glow engine controls Forget myth diesel engines dif ficult start Once youve cultivated slightly different technique known diesel flick engines no harder others start operate flick start diesel simply spin over propeller little faster positively would glow engine little ex perience youll learn vary com pression setting Normally compression lever advanced slightly starting backed off after half minute en gine warms up model diesel engines have poor throttle response Unlike earlier designs used subpiston induction modem diesels use RC carburetors silencers accommodate var iable speeds Diesel engines small 05 cu 08cc can reliably throttled Fuel thought youd like try diesel engines cant obtain commercial fuel mixing own easy enough As glow fuel several different combina tions proportions ingredients may used number additives will give smoother running easier starting experience however diesels start operate readily simple 111 mula volume kerosene oil ether Use good-quality heating-grade lamp-grade kerosene colored plain ether maybe either solvent type used cleaning quick-start automotive fluid Medical ether works equally well its expensive sometimes difficult obtain Castor oil makes suitable lubricating agentif dont mind heavy exhaust residues Synthetic/castor combinations produce less exhaust cling Select mineral oil minimum viscosity SAE 50 multigrades unsuitable Since higher compression ratios bearing loads force diesel engines work harder diesel fuels generally have higher oil content glow fuels up one-third maximum basic fuel recipe given can use lower-oil formula well run ball-raced diesels down minimum 20% oil Diesel discoveries Now Ive canceled out negatives lets look some pos itives about diesels Diesels tractable theyll operate over wide speed range variety pro pellers general except smallcapacity versions used Control Line Free Flight competition diesels have excel lent low-speed torque characteristics en ables swing much larger props modest speeds equivalently sized glow engines vintage sport Free Flight RC designs thats distinct advantage screaming glow engine some form silencing essential slow-revving diesel its optional Thats great boon Scale modeling space muffler often tight decide use muf fler made diesel engines often much smaller convenient glow-engine counterparts itself has often convinced use diesel en2ine CoflunUed ~ige 160 March 1991 31 MAULE M51M6 ROCKETFAIRCHILD 24 114 SCALE 98GIANT SCALE 90 STITS PLAYBOY 1/3 SCALE 88 yourself favor IKON NWST Kit n world wide finest scale kits MAVERICK 40 4 just riles right Stable novice yet fully aerobatic Great second airplane top aerobatic trainer Contest grade balsa hand selected matched Machine-cut parts edges trued pertect fit Foam core wing balsa skin builds true easy Quick-build kits ready cover 8-10 hours Complete hardware package simply best Clear plans detailed instructions construction photos Handcrafted quality right price Ask see local dealer Wing Area 630 sq Wing Span 56 L Length 43 Power 40-50 4c/2c Weight 51/451/2 lbs Loading 19-20 oz/ft2 know wanC Co Ply LIST IARDEA Madrid Way Boca Raton FL 33432407-367-7744SHIP available dealer contact CARDEN $11495 $500 SALE $7995 ZLercaso RC Flying TodaylMyers Continued page 138 first setup used 1984 Airtronics CS-5H radio system has upgraded 1991 specs Airtronics Kalt gyro power controller plus mix Airtronics Fu taba Novak servos because changing pigtails problem instructions excellent Read adden dum pages 2 3 4 before start building wont have undo work particularly landing gear good instructions setting up power controller Follow installed receiver motor controller gyro control box Velcro seems work well gyro itself stuck down double-sided foam tape provided Kalt Ser vos mounted 2mm hardware pro vided needed tweezers magnifsing glass semi-difficult parts construction putting nuts servo mounting screws assembling scissor-arm 6 train A# m m m assembly main rotor shaft managed put scissors upside down necessi tated doing over again have work tiny nuts bolts parts built kit inside cover box laid white pillowcase bottom parts would lost two good ideas Its possible waste lot time looking black 2mm nut rug continued Diesel Delights/Boddington Continued page 31 smaller Scale models diesels economy fuel consumption permits use smaller fuel tanks Also fuel exhaust residue wont attack cellalose standard enamel finishes Diesels require minimum backup service thats biggest bonusesthey offer nice walk field just model transmitter can fuel FOUR CYCLE MUFFLERS IN-COWL TWO CYCLE MUFFLERS tar 19 4045-6075-1 3 enIssea Sivi S UPRIGHT OR INVERTED ENGINEUPRIGHT ENGINEISfIERTED ENGINE 4-40559405950 J5440 59401950 51-405 59-401950 005 S-404050 21-402 45402050 11690 95402050 1505 i304050 J1 55530025015693 555402250 4199194 MAO SItU254037402U 944040540 2540 1569394 MAO 955402540 J1-405S12094&STO-55402540JT402STCOSAOS19l1540 2040 J540300C0940STBS 15-402540 available hobby shop ORDER DIRECT return UPS shipment UPRIGHi SIDE INVERTEDUPRIGHT SIDE ENGINE 11-4045940195055-40559405950 51409 95402050 51006 95402052 11-40455-5402050 11406 155300250 15-50994 MAO 95-5402040 15-40594 944091-5402040 5T-009S1 COMO0105T5-40 4040 JT-ST 00940-SI 655540 2020 00000-- PIe. dd 250 UPS Check MO VISA NC COD Add 400 cairo COD oCeOdent add St eel. piece cleaning rag No starters batteries field boxes control panels other accoutre ments load up car per fect summer evenings beckon Conversion capabilities readers will already aware Davis Diesel conversion outfits Ive converted Cox 049 standard 19 glow engine suc cessfully Diesel operation imposes extra loads engine makes sense choose reasonably large glow engine conversion prefer stay within 29cu -in capacity Diesels larger tend become harsh clunky losing least some charm ease operation Although work going ahead experimental four-stroke diesel Neil Tidey Laser Engine fame con versions large-capacity Super Tigre 2000 series have successfully attempt ed think Ill settle smaller engines Continued page 162 OT-Q5S QUADRA 52 IT-Q85 QOODISA 82 JT-9ZS ZENSAH 23 IT-ZOO200003002 IT-SOS SOOSIS 3-4-5 -9MS MALOSEY 1000 IT-STS ST 25-3000 2995 Upright EngIne JT-Q3L QUADRA 35 rr-Q5L QUADRA 30 IT-Z3L ZENSMI 38 rr-9ZL ZIlISAJI 23 IT-Z6L 209003662 IT-QOL QUADRA 85 IT-DEL 5A221S 3-4-5 JT-96U MALO8EY 255 95 IT-OTh ST 25-3000 2995Invested Engne TARTAN SingS2500OT-Q3E QUADRA35 TARTAN ThinSi 55ST Q5E QUADRA50 IT 031 ZEIIOAJI38 IT QSR QUADRA 85 IT 926 ZENOAN 25 IT Z6E ZENOASI 62—N. IT SUE SACKS 343 0 IT iME MALONEY 150 IT STE ST2030002943 SIDE MOUNT MUFFLERS 29 95 Wi21ts 2995 2750 2995 IT-AUP29-40 fl-6OP45-61 IT- SlOOP MAX 91-508 IT-5T69P25915-ST61-15-90 JT-5T25P ST 2500-3000 160 Model Aviation INCOWLGIANT ENGINE MUFFLERS Molcrise So eosirse TosS p9e exlenSons mountIng UcOs sIchldee Upo gO no1164 EngineUpright/Invested EngIne IT Q 9 QUADRA 33 T QSS QUADRA504 T QOS QUADRA85 IT 9Z6 ZESSAD53 t IT 238 009503638 Ai IT SUE SACIISI 99th MALONEY 125-- 5 IT STE ST 25 3000 2991 Doyle S ilp/Inverted/Osde Engine 51 tOE 65154 462000 IT-PAD SOYA ot2000 1TQ34 QUAO0A 33 iT-LI911200 00 sss2300IT-9Z4209000 23 KSLOlA 60- 5552500IT-Z342080030 30 ITE196ENSA 20-22552500JT-2642090031 02 IT-ENS9510 9551202500IT-USASAO9S 345 IT-EKE99550 6 1202500IT-9M4MALOSISY 100 IT-ECUENIA 0 2252300ST-0T4SC 25-3000 WW IT-HASMAX VS 46-6820520 IT-HASMAX PS 40-482000 IT-SICMAO PU 052000IT-TSIS IT-kbMAX VS 612000IT-TET IT-N99MAX VS 9023520 IT-N90HAS VS 902500 IT-H29MAO PS 1202500 IT-142SHAS PS 2202300 IT-SASSALTS PA 452000 IT-DASSAlTS PA 432000 IT-SOCSAlTS VA 652000 IT-SOSSAlTS VA 052000 IT-025SAITO VA 1202300 12-020SAITO PA 2202500 IT-0025YS 2202300 IT-Y52510 220 THIRTY-SEVENTH ANNUAL RADIO CONTROL EXPOSITION APRIL 5 6 7 1991 FRIDAY9amto6pm SATURDAY9amto6pm SUNDAY9 am 430 pm TOLEDO SPORTS ARENA ONE MAIN STREET TOLEDO OHIO TICKETS can purchased door ADVANCE sending self-addressed stamped business size 41/8 x 91/2 enve lope TICKETS 38235 Castle Romulus MI 48174 orders above 10 tickets must include double postage US orders must include 25 cents per order handling charge foreign orders must include 50 cents per order handling charge need send addressed envelope will provide necessary postage NOTE Registered Express Type Mail Orders Will Accepted! Include check money order US funds made payable Weak Signals R/C Club Ticket prices $500 per day adults $100 per day children 12 under Please specify numberof Deadline ticket orders March 30 1991 sales final non-refundable Hotel info map area may obtained sending stamped self-addressed business size envelope ticket ad dress above Any other Exposition information avail able contacting Wayne Yeager co-di rector ticket address phone 313941-6661 Will Have Traditional Swap Shop Saturday Night Auction COMPETITION CLASSES NON-MILITARY SPORT SCALE PLANE AMA Rules MILITARY SPORT SCALE PLANE AMA Rules PRECISION SCALE PLANE AMA Rules PA11ERN PLANE No Jets SPORT MONOPLANE non-scale models SPORT BIPLANE non-scale models OLD TIMER FREE FLIGHT R/C ASSIST R/C SAILPLANE non-scale models No Engines HELICOPTER R/C CAR COMPETITION BOATffA\4 MILITARY SCALE BOATII iW II PLEASURE POWER BOAT WORKING VESSEL-UNARMED presented Weak Signals R/C Club Toledo Ohio Still convinced $10 can pur chase excellent publication titled Dr Diesels Diary ever wanted know about diesels Written ex-Brit Eric Clutton 40-plus-year member oily-hand brigade has never owned electric starter book explains de sign history operation model diesel engines book includes chapters fuels propellers exhaust systems compres sion adjustments starting conversions Eric also imports PAW engines sells diesel fuel castor oil Write him 913 Cedar Lane Tullahoma TN 37388 tel ephone 1-615/455-2256 Great Deal Diesels Ray Arden troduced high-revving high-powered glow engines busy taking interest equally new model diesel engine Ive stayed interested over 40 years During time owned operated diesels still practical standpoint collection hundred diesel engines too large Id rather see hands vintage enthusiasts serious engine collectors Now seems good oppor tunity offer sale let other modelers enjoy delights diesel diesels sound prac tical engines suitable Scale vintage use some exceptional Im Mills die sel freak collection includes proto type Mills 13 Mark 2 early never-run Mills 13 Mark 1 its original box Mark 2 equally pristine condition two good examples rare 24cc Mills Also brand-new boxed ED Mark 2 Competition Special Mark 4346 diesels will sold individually auction details send addressed envelope international postal coupons David Boddington Ivy Crest Ave nue Wellingborough Northants NN8 4ET England will send full list en gines sale including few glow en gines Bidding closes March 31 1991 giving just enough time send de tails return bid D Engine Auction Sale New Vintage Engines original boxes paperwork far can ascertained unrun 1 Mills 13cc Mark 1 No 11 995 2 Mills 13cc Mark 2 No 23 937 3 ED Mark 2 Competition Special No M198C 4 ED Mark 4 346 No E3/2/8 5 Doonside Mills 75cc No 109 Marine Engines 6 ED Sea Otter 346 No OM 40/C barely run 7 Taplin Twin No W22 18 heads air cooled conversion Unique Engine 8 Mills 13 Mark 2 No 1 EXP Prototype ED Engines 9 ED 46 Baby No BM39/5 55/11 Good con dition boxed 10 ED 46 Baby No HG 246852 Good 11 ED 46 Baby No 6C4158 Fair 12 ED Mk 1 Bee No J84C Good dirty box ali tank 13 ED Mk 1 Bee No 1 B6968 Good 14 ED Bee No VAl89C Excellent later exhaust stack boxed instructions etc 15 ED 146 Hornet No 2F1758 Good no fuel tank 16 ED 149 Super Fury No 5A73B Good early 17 ED 149 Super Fury FK65K Excellent later 18 ED 149 Super Fury RC w/exhaust No 7013 boxed test run 19 ED Mk 2 Competition Special No JS4C Good 20 ED Mk III 249 No 3A1R w/spare head tank Excellent 21 ED Mk III 249 No E3/1 w/spare head tank Excellent requires sleeve cut out 22 ED 246 Racer No 43386 Excellent w/exhaust stubs Elfin 23 24 25 26 Elfin 149 Good boxed Elfin 18 Radial Good running Elfin 18 Radial Good running requires prop driver Elfin 249 beam mounting Fair condition runs well Amco 27 Amco 35 No 821 Plain bearing Excellent 28 Amco 35 No 1661 Plain bearing Excel lent Oliver 29 Oliver Tiger No AT 3738 Excellent 30 Oliver Tiger No 31343R Excellent 31 Oliver Major ATR4 13 Good condition 162 Model Aviation D&J ELECTRONICS 900 Lucy Road ll Ml 48843 546-2644 service makes RIO equipment utilizing state tho art oloctronics Spectrum Analyzer Precision Frequency Moasuring equipment True 1991 Standards Wo endorsed AMA & ROMA Transmitter Sticker Program FCC LicensedSpeed Control RepairsQuality Service Transmitter Chocks Only includes GOLD/SILVER sticker$400 Transmitter & Receiver Calibration$2400 Frequency Upgrades & Changes crystals extra$2900 Bench Time Repairs per hour$2500 Transmitters service will receive AMA/ROMA sticker ADD $500 FOR SHIPPING & INSURANCE TURN AROUND TIME TWO WEEKS OR LESSIICOD UPS ISA/MASTERCARD ACCEPTED requires RC throttle spray bar AllbonIDC 32 Ailbon Bambi Good condition good run ning tank 33 AlIbon Bambi Good condition fair run ning no tank 34 AlIbon Bambi Complete except com pression screw no tank prop run 35 Original Alibon Dart No 185 Good condi non running 36 DC Dart red head Good condition running no tank 37 DC Dart Complete set parts two crankshafts assembled no tank AM Allen Mercury 38 AMlO green head Good condition ex cept slightly broken lug Good run ning fuel tank 39 AMiS blue head Good condition running 40 AM25 red head Fair condition good running 41 AM35 black head fair condition good running silencer JB 42 JB15 Atom Excellent condition running MVVS 43 MVVS 15cc Excellent condition fairly modern Jenna 44 Jenna 15 t horizontal intake Good condition running ME 45 ME Heron original manufacture disman tled spare crankcase Frog 46 Frog 100 Series II No 19716 91461 Good 47 Frog 180 No 6417 Good 48 Frog 180 No 7024 Fair run requires prop driver repairs 49 Frog 100 Mk 3 No H12285 red head Good boxed 50 Frog 100 gold head Good condition 51 Frog 149 No 1522 Vibramatic boxed instructions 52 Frog 150 blue head No F19704 53 Frog 150 MkII plain round head Good boxed instructions 54 Frog 249 RB modified No 5948 Good 55 Frog 349 plain bearing RC throttle ex haust manifold Very Good condition run ning 56 Frog 349 plain bearing RC throttle ex haust manifold Very good condition run ning Mills 57 Mills 75 Mkl Mills 13cc style crankcase No 33643 w/cut-out Very Good condition 58 Mills 75 No 75955 Excellent boxed 59 Mills 75 No 59364 w/cut-out Excellent 60 Mills 75 No 64524 Excellent 61 Mills 75 No 70745 Excellent 62 Mills 75 No 66841 w/o tank Good 63 Mills 75 No 71173 w/o tank Good 64 Mills 75 No 68698 w/o tank Fair runs well 65 Indian Mills 13cc Like new 66 Mills 13cc Mk 1 No 0784 Excellent condi tion 67 Mills 13cc Mk 2 No 22787 Excellent boxed instructions cutout 68 Mills 13cc Mk 2 No 36043 Excellent boxed 69 Mills 13cc Mk 2 No 19388 Very Good 70 Mills 13cc Mk 2 No 22787 Very Good 71 Mills 13cc Mk2 no number Good 72 Mills 13ccMk2 No 25229 Good no tank 73 Mills 13cc Mk 2 No 33779 Good 74 Mills 75 run parts complete except spray bar 74a Mills 13cc Mk 2 complete Two cylind ers run 75 Mills 24cc No 4577 Excellent condition 76 Mills 24cc No 4587 Excellent condition Spark Ignition 77 Ohisson 60 complete w/tank contact breakers Excellent condition Gb Engines 78 Frog 049 No 984 wfinstructions guar antees Boxed unrun 79 Eta 29 Gb No 0429025 Excellent condi tion 80 Early OS 29 No 21381 complete tank KLG plug Pre ma circa ap prox 1956 81 Frog 160 red glow No RG4097 Fair condi tion run requires reworked prop driver 82 Three Frog No 300 glo engines con verted RC w/broken lug excessive big end wear 83 Original Champion glo plug box 84 Two no-ignition coils Bank London Ltd condenser responding advertisers mention read about Model Aviation cockpitclear seal wood black floor instrument panels olive drab everything else painted inside cowl black finished firewall Hobby Poxy Formula II made canopy gluing thin plastic sheeting over framework Wilbold R/C-56three pieces front rear between canopy hoops canopy seams except the bottom windshield covered A-in-wide strips chrome MonoKote trim film used black trim tape seam bottom windshield Install antenna mast inside fuselage paint black fuelproof clear polyurethane Final assembly flying Wrap 6-oz Sullivan fuel tank foam rubber Install tank high far forward fu selage possible Wrap radio receiver batteries foam rubber install below fuel tank Install servos secure ends rudder elevator pushrods Set control throws about either side center rudder elevator about ailerons Check center-of-gravity adding weight necessary until matches shown plans Test run engine make sure throt March 1991 163 BT Vintage Trainer/Ross Continued page 45
Edition: Model Aviation - 1991/03
Page Numbers: 30, 31, 160, 162, 163
Diesel Delights Ever think about flying model diesel engines Maybe its time take closer look Modern diesels easy start operate let travel lightand seldom require muffler EDavid Boddington ITS SO ADDICTIVE ought ille gal After 40 years sniffing diesel fuel model diesel engine exhaust still havent enough senses get actthe pungent smells kerosene oil ether raw burnt satisfying feel starting diesel way sounds once its running Usually before model takes air Im feeling high Diesel model engines comparatively unknown misunderstood coun try internal-combustion engines have never popular Americas Europe lesser degree Japan Some American modelers seem hold contempt some early diesel engines produced small backyard operations several established manufacturerswere indeed real plunkers have performed perfectly well given excellent reliable service Having re cently test run some 88 diesels varying antiquity design reputation can con firm theyre easy operate fact 30 Model Aviation Diesels better known among British European modelers US M engine has produced years currently made England Premier its nara better new Merco 29 RC diesel ones real swinger Several dozen hundred diesels authors collection Hes offering auction highest bidder Bidding closes March 31 hurry Details text Made Derek Ailes great-performing Would like able walk flying field just can fuel transmitter reproduction Mills diesels range 13cc diesels can new irvine 20 engine lifts 5 1/2-lb camera carrier ease capacity top mere 13cc bottom STINSON SR8 1/5 SCALE 100 DOHAVILLAND BEAVER GIANT SCALE 96 SPERRY MESSENGER 1/4 SCALE 60 WACO 10 1/5 SCALE 73 failed run successfully Brits like put thor oughly clapped engines deserve greater popularity United States Fiction fallacies Lets begin cor recting some misconceptions about the ory operation model diesel engines Diesel engines fired igniting through compression fuel/air mixture cyl inder done aid glow spark plug higher compression ra tios diesels generally require achieved tight-fitting contrapiston top cylinder Although fixed compression ratio can used starting running adjustments improve contrapiston position variable rotating screw lever top cylinder head increas es decreases compression moving contrapiston up down Thus internal-combustion engines have two basic variable controls needle valve compression screw may frighten away potential users shouldnt Model diesel engine controls simple enough anyone slightest mechanical bent operate no trouble fact theyre intriguing work glow engine controls Forget myth diesel engines dif ficult start Once youve cultivated slightly different technique known diesel flick engines no harder others start operate flick start diesel simply spin over propeller little faster positively would glow engine little ex perience youll learn vary com pression setting Normally compression lever advanced slightly starting backed off after half minute en gine warms up model diesel engines have poor throttle response Unlike earlier designs used subpiston induction modem diesels use RC carburetors silencers accommodate var iable speeds Diesel engines small 05 cu 08cc can reliably throttled Fuel thought youd like try diesel engines cant obtain commercial fuel mixing own easy enough As glow fuel several different combina tions proportions ingredients may used number additives will give smoother running easier starting experience however diesels start operate readily simple 111 mula volume kerosene oil ether Use good-quality heating-grade lamp-grade kerosene colored plain ether maybe either solvent type used cleaning quick-start automotive fluid Medical ether works equally well its expensive sometimes difficult obtain Castor oil makes suitable lubricating agentif dont mind heavy exhaust residues Synthetic/castor combinations produce less exhaust cling Select mineral oil minimum viscosity SAE 50 multigrades unsuitable Since higher compression ratios bearing loads force diesel engines work harder diesel fuels generally have higher oil content glow fuels up one-third maximum basic fuel recipe given can use lower-oil formula well run ball-raced diesels down minimum 20% oil Diesel discoveries Now Ive canceled out negatives lets look some pos itives about diesels Diesels tractable theyll operate over wide speed range variety pro pellers general except smallcapacity versions used Control Line Free Flight competition diesels have excel lent low-speed torque characteristics en ables swing much larger props modest speeds equivalently sized glow engines vintage sport Free Flight RC designs thats distinct advantage screaming glow engine some form silencing essential slow-revving diesel its optional Thats great boon Scale modeling space muffler often tight decide use muf fler made diesel engines often much smaller convenient glow-engine counterparts itself has often convinced use diesel en2ine CoflunUed ~ige 160 March 1991 31 MAULE M51M6 ROCKETFAIRCHILD 24 114 SCALE 98GIANT SCALE 90 STITS PLAYBOY 1/3 SCALE 88 yourself favor IKON NWST Kit n world wide finest scale kits MAVERICK 40 4 just riles right Stable novice yet fully aerobatic Great second airplane top aerobatic trainer Contest grade balsa hand selected matched Machine-cut parts edges trued pertect fit Foam core wing balsa skin builds true easy Quick-build kits ready cover 8-10 hours Complete hardware package simply best Clear plans detailed instructions construction photos Handcrafted quality right price Ask see local dealer Wing Area 630 sq Wing Span 56 L Length 43 Power 40-50 4c/2c Weight 51/451/2 lbs Loading 19-20 oz/ft2 know wanC Co Ply LIST IARDEA Madrid Way Boca Raton FL 33432407-367-7744SHIP available dealer contact CARDEN $11495 $500 SALE $7995 ZLercaso RC Flying TodaylMyers Continued page 138 first setup used 1984 Airtronics CS-5H radio system has upgraded 1991 specs Airtronics Kalt gyro power controller plus mix Airtronics Fu taba Novak servos because changing pigtails problem instructions excellent Read adden dum pages 2 3 4 before start building wont have undo work particularly landing gear good instructions setting up power controller Follow installed receiver motor controller gyro control box Velcro seems work well gyro itself stuck down double-sided foam tape provided Kalt Ser vos mounted 2mm hardware pro vided needed tweezers magnifsing glass semi-difficult parts construction putting nuts servo mounting screws assembling scissor-arm 6 train A# m m m assembly main rotor shaft managed put scissors upside down necessi tated doing over again have work tiny nuts bolts parts built kit inside cover box laid white pillowcase bottom parts would lost two good ideas Its possible waste lot time looking black 2mm nut rug continued Diesel Delights/Boddington Continued page 31 smaller Scale models diesels economy fuel consumption permits use smaller fuel tanks Also fuel exhaust residue wont attack cellalose standard enamel finishes Diesels require minimum backup service thats biggest bonusesthey offer nice walk field just model transmitter can fuel FOUR CYCLE MUFFLERS IN-COWL TWO CYCLE MUFFLERS tar 19 4045-6075-1 3 enIssea Sivi S UPRIGHT OR INVERTED ENGINEUPRIGHT ENGINEISfIERTED ENGINE 4-40559405950 J5440 59401950 51-405 59-401950 005 S-404050 21-402 45402050 11690 95402050 1505 i304050 J1 55530025015693 555402250 4199194 MAO SItU254037402U 944040540 2540 1569394 MAO 955402540 J1-405S12094&STO-55402540JT402STCOSAOS19l1540 2040 J540300C0940STBS 15-402540 available hobby shop ORDER DIRECT return UPS shipment UPRIGHi SIDE INVERTEDUPRIGHT SIDE ENGINE 11-4045940195055-40559405950 51409 95402050 51006 95402052 11-40455-5402050 11406 155300250 15-50994 MAO 95-5402040 15-40594 944091-5402040 5T-009S1 COMO0105T5-40 4040 JT-ST 00940-SI 655540 2020 00000-- PIe. dd 250 UPS Check MO VISA NC COD Add 400 cairo COD oCeOdent add St eel. piece cleaning rag No starters batteries field boxes control panels other accoutre ments load up car per fect summer evenings beckon Conversion capabilities readers will already aware Davis Diesel conversion outfits Ive converted Cox 049 standard 19 glow engine suc cessfully Diesel operation imposes extra loads engine makes sense choose reasonably large glow engine conversion prefer stay within 29cu -in capacity Diesels larger tend become harsh clunky losing least some charm ease operation Although work going ahead experimental four-stroke diesel Neil Tidey Laser Engine fame con versions large-capacity Super Tigre 2000 series have successfully attempt ed think Ill settle smaller engines Continued page 162 OT-Q5S QUADRA 52 IT-Q85 QOODISA 82 JT-9ZS ZENSAH 23 IT-ZOO200003002 IT-SOS SOOSIS 3-4-5 -9MS MALOSEY 1000 IT-STS ST 25-3000 2995 Upright EngIne JT-Q3L QUADRA 35 rr-Q5L QUADRA 30 IT-Z3L ZENSMI 38 rr-9ZL ZIlISAJI 23 IT-Z6L 209003662 IT-QOL QUADRA 85 IT-DEL 5A221S 3-4-5 JT-96U MALO8EY 255 95 IT-OTh ST 25-3000 2995Invested Engne TARTAN SingS2500OT-Q3E QUADRA35 TARTAN ThinSi 55ST Q5E QUADRA50 IT 031 ZEIIOAJI38 IT QSR QUADRA 85 IT 926 ZENOAN 25 IT Z6E ZENOASI 62—N. IT SUE SACKS 343 0 IT iME MALONEY 150 IT STE ST2030002943 SIDE MOUNT MUFFLERS 29 95 Wi21ts 2995 2750 2995 IT-AUP29-40 fl-6OP45-61 IT- SlOOP MAX 91-508 IT-5T69P25915-ST61-15-90 JT-5T25P ST 2500-3000 160 Model Aviation INCOWLGIANT ENGINE MUFFLERS Molcrise So eosirse TosS p9e exlenSons mountIng UcOs sIchldee Upo gO no1164 EngineUpright/Invested EngIne IT Q 9 QUADRA 33 T QSS QUADRA504 T QOS QUADRA85 IT 9Z6 ZESSAD53 t IT 238 009503638 Ai IT SUE SACIISI 99th MALONEY 125-- 5 IT STE ST 25 3000 2991 Doyle S ilp/Inverted/Osde Engine 51 tOE 65154 462000 IT-PAD SOYA ot2000 1TQ34 QUAO0A 33 iT-LI911200 00 sss2300IT-9Z4209000 23 KSLOlA 60- 5552500IT-Z342080030 30 ITE196ENSA 20-22552500JT-2642090031 02 IT-ENS9510 9551202500IT-USASAO9S 345 IT-EKE99550 6 1202500IT-9M4MALOSISY 100 IT-ECUENIA 0 2252300ST-0T4SC 25-3000 WW IT-HASMAX VS 46-6820520 IT-HASMAX PS 40-482000 IT-SICMAO PU 052000IT-TSIS IT-kbMAX VS 612000IT-TET IT-N99MAX VS 9023520 IT-N90HAS VS 902500 IT-H29MAO PS 1202500 IT-142SHAS PS 2202300 IT-SASSALTS PA 452000 IT-DASSAlTS PA 432000 IT-SOCSAlTS VA 652000 IT-SOSSAlTS VA 052000 IT-025SAITO VA 1202300 12-020SAITO PA 2202500 IT-0025YS 2202300 IT-Y52510 220 THIRTY-SEVENTH ANNUAL RADIO CONTROL EXPOSITION APRIL 5 6 7 1991 FRIDAY9amto6pm SATURDAY9amto6pm SUNDAY9 am 430 pm TOLEDO SPORTS ARENA ONE MAIN STREET TOLEDO OHIO TICKETS can purchased door ADVANCE sending self-addressed stamped business size 41/8 x 91/2 enve lope TICKETS 38235 Castle Romulus MI 48174 orders above 10 tickets must include double postage US orders must include 25 cents per order handling charge foreign orders must include 50 cents per order handling charge need send addressed envelope will provide necessary postage NOTE Registered Express Type Mail Orders Will Accepted! Include check money order US funds made payable Weak Signals R/C Club Ticket prices $500 per day adults $100 per day children 12 under Please specify numberof Deadline ticket orders March 30 1991 sales final non-refundable Hotel info map area may obtained sending stamped self-addressed business size envelope ticket ad dress above Any other Exposition information avail able contacting Wayne Yeager co-di rector ticket address phone 313941-6661 Will Have Traditional Swap Shop Saturday Night Auction COMPETITION CLASSES NON-MILITARY SPORT SCALE PLANE AMA Rules MILITARY SPORT SCALE PLANE AMA Rules PRECISION SCALE PLANE AMA Rules PA11ERN PLANE No Jets SPORT MONOPLANE non-scale models SPORT BIPLANE non-scale models OLD TIMER FREE FLIGHT R/C ASSIST R/C SAILPLANE non-scale models No Engines HELICOPTER R/C CAR COMPETITION BOATffA\4 MILITARY SCALE BOATII iW II PLEASURE POWER BOAT WORKING VESSEL-UNARMED presented Weak Signals R/C Club Toledo Ohio Still convinced $10 can pur chase excellent publication titled Dr Diesels Diary ever wanted know about diesels Written ex-Brit Eric Clutton 40-plus-year member oily-hand brigade has never owned electric starter book explains de sign history operation model diesel engines book includes chapters fuels propellers exhaust systems compres sion adjustments starting conversions Eric also imports PAW engines sells diesel fuel castor oil Write him 913 Cedar Lane Tullahoma TN 37388 tel ephone 1-615/455-2256 Great Deal Diesels Ray Arden troduced high-revving high-powered glow engines busy taking interest equally new model diesel engine Ive stayed interested over 40 years During time owned operated diesels still practical standpoint collection hundred diesel engines too large Id rather see hands vintage enthusiasts serious engine collectors Now seems good oppor tunity offer sale let other modelers enjoy delights diesel diesels sound prac tical engines suitable Scale vintage use some exceptional Im Mills die sel freak collection includes proto type Mills 13 Mark 2 early never-run Mills 13 Mark 1 its original box Mark 2 equally pristine condition two good examples rare 24cc Mills Also brand-new boxed ED Mark 2 Competition Special Mark 4346 diesels will sold individually auction details send addressed envelope international postal coupons David Boddington Ivy Crest Ave nue Wellingborough Northants NN8 4ET England will send full list en gines sale including few glow en gines Bidding closes March 31 1991 giving just enough time send de tails return bid D Engine Auction Sale New Vintage Engines original boxes paperwork far can ascertained unrun 1 Mills 13cc Mark 1 No 11 995 2 Mills 13cc Mark 2 No 23 937 3 ED Mark 2 Competition Special No M198C 4 ED Mark 4 346 No E3/2/8 5 Doonside Mills 75cc No 109 Marine Engines 6 ED Sea Otter 346 No OM 40/C barely run 7 Taplin Twin No W22 18 heads air cooled conversion Unique Engine 8 Mills 13 Mark 2 No 1 EXP Prototype ED Engines 9 ED 46 Baby No BM39/5 55/11 Good con dition boxed 10 ED 46 Baby No HG 246852 Good 11 ED 46 Baby No 6C4158 Fair 12 ED Mk 1 Bee No J84C Good dirty box ali tank 13 ED Mk 1 Bee No 1 B6968 Good 14 ED Bee No VAl89C Excellent later exhaust stack boxed instructions etc 15 ED 146 Hornet No 2F1758 Good no fuel tank 16 ED 149 Super Fury No 5A73B Good early 17 ED 149 Super Fury FK65K Excellent later 18 ED 149 Super Fury RC w/exhaust No 7013 boxed test run 19 ED Mk 2 Competition Special No JS4C Good 20 ED Mk III 249 No 3A1R w/spare head tank Excellent 21 ED Mk III 249 No E3/1 w/spare head tank Excellent requires sleeve cut out 22 ED 246 Racer No 43386 Excellent w/exhaust stubs Elfin 23 24 25 26 Elfin 149 Good boxed Elfin 18 Radial Good running Elfin 18 Radial Good running requires prop driver Elfin 249 beam mounting Fair condition runs well Amco 27 Amco 35 No 821 Plain bearing Excellent 28 Amco 35 No 1661 Plain bearing Excel lent Oliver 29 Oliver Tiger No AT 3738 Excellent 30 Oliver Tiger No 31343R Excellent 31 Oliver Major ATR4 13 Good condition 162 Model Aviation D&J ELECTRONICS 900 Lucy Road ll Ml 48843 546-2644 service makes RIO equipment utilizing state tho art oloctronics Spectrum Analyzer Precision Frequency Moasuring equipment True 1991 Standards Wo endorsed AMA & ROMA Transmitter Sticker Program FCC LicensedSpeed Control RepairsQuality Service Transmitter Chocks Only includes GOLD/SILVER sticker$400 Transmitter & Receiver Calibration$2400 Frequency Upgrades & Changes crystals extra$2900 Bench Time Repairs per hour$2500 Transmitters service will receive AMA/ROMA sticker ADD $500 FOR SHIPPING & INSURANCE TURN AROUND TIME TWO WEEKS OR LESSIICOD UPS ISA/MASTERCARD ACCEPTED requires RC throttle spray bar AllbonIDC 32 Ailbon Bambi Good condition good run ning tank 33 AlIbon Bambi Good condition fair run ning no tank 34 AlIbon Bambi Complete except com pression screw no tank prop run 35 Original Alibon Dart No 185 Good condi non running 36 DC Dart red head Good condition running no tank 37 DC Dart Complete set parts two crankshafts assembled no tank AM Allen Mercury 38 AMlO green head Good condition ex cept slightly broken lug Good run ning fuel tank 39 AMiS blue head Good condition running 40 AM25 red head Fair condition good running 41 AM35 black head fair condition good running silencer JB 42 JB15 Atom Excellent condition running MVVS 43 MVVS 15cc Excellent condition fairly modern Jenna 44 Jenna 15 t horizontal intake Good condition running ME 45 ME Heron original manufacture disman tled spare crankcase Frog 46 Frog 100 Series II No 19716 91461 Good 47 Frog 180 No 6417 Good 48 Frog 180 No 7024 Fair run requires prop driver repairs 49 Frog 100 Mk 3 No H12285 red head Good boxed 50 Frog 100 gold head Good condition 51 Frog 149 No 1522 Vibramatic boxed instructions 52 Frog 150 blue head No F19704 53 Frog 150 MkII plain round head Good boxed instructions 54 Frog 249 RB modified No 5948 Good 55 Frog 349 plain bearing RC throttle ex haust manifold Very Good condition run ning 56 Frog 349 plain bearing RC throttle ex haust manifold Very good condition run ning Mills 57 Mills 75 Mkl Mills 13cc style crankcase No 33643 w/cut-out Very Good condition 58 Mills 75 No 75955 Excellent boxed 59 Mills 75 No 59364 w/cut-out Excellent 60 Mills 75 No 64524 Excellent 61 Mills 75 No 70745 Excellent 62 Mills 75 No 66841 w/o tank Good 63 Mills 75 No 71173 w/o tank Good 64 Mills 75 No 68698 w/o tank Fair runs well 65 Indian Mills 13cc Like new 66 Mills 13cc Mk 1 No 0784 Excellent condi tion 67 Mills 13cc Mk 2 No 22787 Excellent boxed instructions cutout 68 Mills 13cc Mk 2 No 36043 Excellent boxed 69 Mills 13cc Mk 2 No 19388 Very Good 70 Mills 13cc Mk 2 No 22787 Very Good 71 Mills 13cc Mk2 no number Good 72 Mills 13ccMk2 No 25229 Good no tank 73 Mills 13cc Mk 2 No 33779 Good 74 Mills 75 run parts complete except spray bar 74a Mills 13cc Mk 2 complete Two cylind ers run 75 Mills 24cc No 4577 Excellent condition 76 Mills 24cc No 4587 Excellent condition Spark Ignition 77 Ohisson 60 complete w/tank contact breakers Excellent condition Gb Engines 78 Frog 049 No 984 wfinstructions guar antees Boxed unrun 79 Eta 29 Gb No 0429025 Excellent condi tion 80 Early OS 29 No 21381 complete tank KLG plug Pre ma circa ap prox 1956 81 Frog 160 red glow No RG4097 Fair condi tion run requires reworked prop driver 82 Three Frog No 300 glo engines con verted RC w/broken lug excessive big end wear 83 Original Champion glo plug box 84 Two no-ignition coils Bank London Ltd condenser responding advertisers mention read about Model Aviation cockpitclear seal wood black floor instrument panels olive drab everything else painted inside cowl black finished firewall Hobby Poxy Formula II made canopy gluing thin plastic sheeting over framework Wilbold R/C-56three pieces front rear between canopy hoops canopy seams except the bottom windshield covered A-in-wide strips chrome MonoKote trim film used black trim tape seam bottom windshield Install antenna mast inside fuselage paint black fuelproof clear polyurethane Final assembly flying Wrap 6-oz Sullivan fuel tank foam rubber Install tank high far forward fu selage possible Wrap radio receiver batteries foam rubber install below fuel tank Install servos secure ends rudder elevator pushrods Set control throws about either side center rudder elevator about ailerons Check center-of-gravity adding weight necessary until matches shown plans Test run engine make sure throt March 1991 163 BT Vintage Trainer/Ross Continued page 45