Soaring Dan Pruss THINK about dont know history recorded first time someone hand-tossed RC Sailplane idea hooking thermal maxing out matter anyone knows can lay claim first model designed sole purpose ac complishing above efforts Back 1977 Dave Thornburg wowing crowd some show-stop per types flights afternoon Bar B-Q hosted Pretoria Aero-Club South Africa some attendees first Soaring World Champion ships also served first-time exposure hand-tossing fun profit display lone winch being used others mediocre times being unofficially logged Dave heaved Bird Time hooked riser casually logged 10 minutes flight ended Dave catching Bird manner ef fortless turning off radio crowd went wild first time anyone scene witnessed such demonstration show efforts no fluke Dave repeated toss max catch Two years later Dave showed up second World Championships Belgium well-known Sunbird truly design handlaunch category though class didnt officially exist elevator rudder servos mounted tandem 44 Model Aviation Jim Porter Hudson IA has pair really oodlooking bulltup designs HandLaunch events Whisper Below L Whisper II Above Below R Whisper flies ailerons elevatorand its construction art form Whisper II has pivoting wings elevator control keep need nose ballast down build tail lightl Closeup Whisper ils tail feathers show its done Jim Porter photos Novaks little 2channel receiver ideal choice Sailpianes limited space RC gearlike HandLaunched measures 07 x 130 x 145 channels match right stick twin-stick transmitters Quarter shows size unit Larry Jollys new Flinger design HandLaunch too Bare bones show typical wellproven type construction Allup wieight 12 02 span 60 Larry Jolly photo receiver sandwiched between balsa fuselage sides Dave showed good part modeling world what come same year 1979 Chris Adams brought hand-tosser LSF Tour nament out Midwest seemed like anyone couple minutes between rounds throwing arms out joint having fun doing Since time least half-dozen kits have hit market least fairly good-size contests around country devoted hand-launching clan Most kit designs follow basic poly hedral one-piece wing layout Slab-sided fuselages arent unlike some designs Two-Meter Standard class kits us have built arent specific rules handlaunched designs nor contests fly However after few years sorting out basic still unofficialdesign parameters have resolved two simple restrictions 60 inches under Continued vae 133 WE ARE SHOOTING DOWN HIGH BALSA PRICES WITH SUPER QUALITY Satisfaction Guaranteed Direct Only BALSA SHEETS 36 46 30I BALSA SliCKS 3646 11181233116 11409 332240116 3810 18 243116 1214 316249332 1410 1/4 256332 3/812 132337332 11216 12033718 1/808 116337493116 1141116 332344583718 381218 18 354714518 121024 31636282553163161116 14 3739661316 3817 516385316 122230 36 03881247114 141624 112 311015514 381926 34 316514 122130 116458764814 343444 332470845614 140 16 0480106665165162126 3164831227536 382737 14 41101346836 123246 38 22538 344255 12 422526138 152 MATCHED SHEETS 4212 123653 12 3144662 332410012 158 18410858 5848 016412034 3467 44131 BALSA HOT LINE Call 806 745-6394 10am- 6pm Central Time BALSA TRIANGL ES 36 14 14 3838 12 12 34 34 1' 1' BALSA PLANKS 11 12 13 14 1123 1124 22 23 24 33 34 TAPERED SHEETS 142 143 382 383 123 LONESTAREPOXY 9,L/t.895 50o588 150596 30oi596 E4SLBT WOOD 1323 1203 1163 3323 183 3163 143 38x3 123 343 13 1164 33204 184 3164 144 384 124 36 49 49 49 56 67 76 85 115 139 220 300 78 91 100 117 138 207 282 25 30 34 45 55 96 85 150 200 280 275 360 225 325 435 495 688 36 65TRAILING EDGE36 6514137 685161 1435 983811246 12012270 INSTANTGLUE 1 0 Th/ck298 1 z Thi298 20 Th/ck550 2 oc rs/550 BASSWOOD 316316 31614 31638 316 12 31634 14 14 1438 1434 3838 38 12 3834 12112 1234 BUNDLE DEALS 20-1 613036685 20-1164361020 20-33233684E 15-332436955 15-18336715 10-184036675 15-316336900 10-316436810 10-14336030 10-14436890 10-38336050 5384136625 5-120336540 5-12436855 10332448845 516448485 5-316448585 514448625 46 2616101317 3018141623 381 8382027 463103161724 60316367332 42316 1230 40 49141426 37 80147030 42 60141234 47 70383637 62 90 90 100 SPRUCE STICKS 36 46 18 1815 18 141824 18 382029 316 3162534 14 143145 14 383650 38 384563 38 125570 12 126088 12 340888 SPRUCE TRIANGLES 3838 12 12 34034 36 45 61 77 40 40 50 56 68 36 05 11 14 25 32 3PLSBIRCH48 16412525 13212425 11612435 1812450 SPLYBIRCH46 33212570 1812585 31612565 1412600 GROOVED LG MOUNTS 12 Inch. 38o341840 38034 532 40 123431645 LITEPLY 48 186150 LONE STAR MODELS182300 1623 57th St Lubbock TX 79412 Handling Charge$300 pay UPS Add $200 COD $300 extra PP APO FPO 1101 r,4 ""~ 1ly Miormom Order $1500 December 1985 Bob Dodgson L about give new Pivot heave Model has fiberglass fuselage foam wings Photo right crash shows Pivot can disassembled packing travel box small 2 x 7 x 36 P I S CUSTOM CUT CONTEST BALSA Sheets Piece ed Close Tolerances AAA Grade Dried ped 100% a serious modeler want performance must try 4-6 lb balsa PINE STICKS 36 48 HARD MAPLE 16 14038 3838 38 12 3634 1234 BIRCH DO WELS 18 316 14 516 38 45 mo Ex RIO Crns Topies/ O OPH MOE IC _________________________________GUESTS DISCUSS DUCTED FANS WITH Tom coo TOM WILL BE DISPLAYING HIS LEGENDARY F 4 PHANTOM 1U Piece Sc en, C 84 let piece AMA N ones 83 DISCUSS BUILDING TECHNIQUES WITH MASTER SCALE BUILDER im runow MR FUNDUI S MODELS HAVE WON BEST OF SHOWTOLEDO 1979 AND DIRECTORS AWARD FOR ACHIEVEMENT TOLEDO 1980 c cs Ii RELIVE WWI CARRIER AVIATION II WIT H OEOROE OP IISOLE SURVIVOR IITORPEDO SOUADRON 8 BATTLE OF MIDWAY OhoNotto mcchoniso mort floomor 30- urday 9-6Sunday 10-6 2OO E eococ BIUD Ohorlotte flO CAROLINA HOBBY EXPO704-786-8373 L. ~NOTICE Models Displayed Special Guests NOT EIigble Static Display Awards 51 ~ wasnt largest ever held very relaxed enjoyable non-competitive gathering IMAA Festival No 1 held Louisville KY 1981 1982 No 2 held Ida Grove IAas No 3 1983 No 4 1984 went Van Nuys CA location No 6 1986 hasnt chosen yet place time announced make plans early attend Wherever held Im sure will big gatheringand might just see eyes big better might just add its better fun too RC Soaring/Pruss Continued page 45 wingspan under 16 ounces total weight Thats about simple category can get ought kept way As contests too have kept simple Again no official rules printand matter theres no record date being pro posed Among contest rules used tasks have included two-minute maxes much time can accumulate 10-minute period relaunching being permitted course other common event man-on-man last down getting 1000 points other scores prorated winner s Advantages hand-launch class category obvious anyone has ever attended run contest arms being kind launching devices allowed winch masters can take week end off Field conditions dont have match local country clubs practice green winds can fickle Contest Directors heart other advantages worth pondering group scoring natural group size doesnt have restricted number winches available As far number flights concerned theres good chance flier would log flightsor least have opportunity tothan conven tional type winch-provided contest As long rules still formative stages permit fliers use assistant launching Lets face few fliers Soar ing closer qualifying Senior Citizens card AMA Senior Class Before yell foul above suggestion name major league pitchers know over 40 Having assistant heaver also opens up new possibilities father/son acts kid next door other kids might have opportunity get ex posed modeling An indirect approach perhaps exposure nevertheless SCALE WHEELS Real rubber tire cast aluminum hubs True scale appearance 65 diameter Pair mains 0 shipping before someone comes up list inequities such suggestion granted arms arent created equal throwing lightweight low-wingloaded models straight up does seem have its own equalizing effect So until someone employs services some javelin thrower University Mars maybe ought give system try subject hand-toss Gliders couple subjects month somewhat removed sim ple design approach mentioned above first Bob Dodgsons Pivot real departure rudderand-elevator-control designs Controls Continued page 136 GIANT SCALE RETRACT Formerly Annco Mfg Co True scale appearance Will support models up 50 lbs Positive locking up down working oleo struts Precision machined metal lightweight construction Air/hydraulic controls 13/16 air cylinder bore Gear leg length 11 pivot axle Installation drawings instructions air tank included Perfect fit Nosen kits RETRACT GEAR $22000 shipping Wheels sold separately ORDER DIRECT ONLY William M Hawke 7148 Lasting Light Way Columbia MD 21045 301 730-5596 2 December 1985 133 2 KNIGHTS AlP IT U ma u m N m m FOUR CYCLE ENGINE MOUNTS Cast oluminurn alloy Ground 90 thrust line Brigtrt polish finished Socket cap screws inCluded DRILLED AND TAPPED FOR No Jt-20 OS MAX PS 20600 No JT-4o Undnhled tar 21-40BOO No Jt-41 HPVT21 1000 No JT-42 ENVA 35-40 AC 1000 No JT-43 SAITO PA 30 tOOC NoJT-44 OSMAXPS4O 1000 No JT-45 SAITO PA 40-45 1000 No JT-46 ENA 46 AC 000 Na JT-49 HP VT 49 1200 No JT-60 Undnlled 501 60-901100 No JT-61 OS MAX FS 61 t3O0 No JT-62 Os MAX PS 6075-90t3D0 No JT-64 ESWYA 60-80-90-120 AC 1300 No JT-65 SAITO PA 65 1300 No JT-t20 Und6lled tor 120 t600 No JT-121 ENVA P 120 PC 1800 Na JE-t22 Os MAX PS 120 1800 Na JT -123 SAITO PA t20 800 No JT-125 Super hgre 25-3000 tB00 RC Soaring/Pruss Continued page 133 Pivot areas name impliesa pivoting wing wingerons coupled rudder plus elevator fuselage seamless fiberglass shell wood deck Its 36 inches long wing foam core spruce spars A2-in balsa sheeting Airfoil Eppler 387 Wingspan 60 inches design exceptionally clean no rubberbands screws exposed Micro servos 100-mA battery pack job internally room 225-mA battery pack bird towards sophisticated side kitting packaging quality throughout kit contains hardware pushrods necessary including pivoting wings Cost $6995 available direct-only Dodgson Designs 2904 SW Camano Dr Camano Island WA 98292 thought hand-launch birds boxy-looking very simple design no imagination toward aesthetics Pivot should dispel idea Jim Porter Iowa will help sup port Jim Porters two models Whisper II first has seen Midwest circlesand thermalsfor about last three years open framework fuselage makes design distinctive Controls ailerons elevator Wingspan 55 inches around Eppler 214 airfoil Allup weight 15 ounces can see construction built-up One-eighth-inch spruce longerons shape fuselage A-inch square balsa provides cross bracing contrast Whisper number II has all-sheeted pivoting wing Elevator other control As Whisper both servos mounted fuselage aedilable hobby shop ORDER DIRECT return UPS shIpment Joirir rororie ENGINE TESTING STANDS Steel restraining pins Cast Aluminum tar engine52k JT-Q3A QUADRA 35 Jt-Z34 ZENOAN G-3B IT-TD4 ALTEC ERD 2000 No OrSI JT152JI-QaB QUADRA 25 10 60Garrl sizeA 10 2 5JT-Q5B QUADRA 50 11 50 00JT-Z3B ZENOASI G-3B JT-M38 MAXI 30 2000 SIDE MOUNT MUFFLERS tar PUTS CAP 21 CESSNA 150 etc No JT-40 29-404h 60 1500 4591 12 EXHAUST EXTENSIONS NEOPS5NE JtMI2016 400JINSA , biA 350 JI M55 % 016455J5N38 50 JtNi2 75 78016 600JINOS 00 JtN3A 6 BrA550 GIANT ENGINE MUFFLERS Marched engine tail pipe extensions mounting bolts included Also available tar ATLAS 46 BULLY COBRA KAWASAKI KIORITZ SACH-DOMLER SUPER TIGRE 2500-3000 jt-Q3L QUADRA 35 Jt-Q5L QUADRA 50 Jt-Z3L ZENOAH G-3B JT-TDR ALTEC ERD JT-M3R MAXI 30 JT-Q3R QUADRA 35 JT-QSR QUADRA 50 JT-Z3R ZENOAH G-38 JT-M3L MAXI 30 JT-Q54 QUADRA 50 JT-M34 MAXI 30 2000 JT-Q SS QUADRA 50 JT-M35 MAXI 30 2000 MAIL ORDER Ptease add 250 tar UPS shipping Check MO VISA MC COD accepted Add 200 estra tar COD Calit residenTs add 6% tax -SEND FOR FREE CATALOGAirfoil again Eppler 214 span 61 inches unwritten weight-limit also bumped number II pushes 1TA ounces Well have fans Some thoughts ideas photos thinking small Its fact hand-launch unofficial category novel idea just whim local group fliers Its growing steadily since least 1977 andjudging letters club newslettersthere terest nationwide So maybe its time think-small category think-big con test unofficial event 1986 AMA Nationals event could run day after regular Soaring schedule Pre-registra tion could take place during regular events get idea would compete event could run competing unlike large club con test way regular task force workers wouldnt loaded down extra chores Tasks task could simple Let weather dictate Simple man-on-man five-minute max would help keep things flowing no winches concerned about group could ready box launch area ready fly soon previous groups transmitters clean Since would unofficial event entry fee could too no trophies available let small entry fee say buck two divided up prize money really could minimumhassle/maximum-fun event Think about pass thoughts way Well pass Good lift Dan Pruss 131 E Pennington Ln Plainfield IL 60544 responding advertisers mention read about ModelAviation RC Scale/Wischers Continued page 47 basswood pine lever will pivot freely block needs cemented securely fuselage centerline braced withstand tension cables time concerned about wear center hole also drilled holes cable attachment used short lengths brass tube bush ings plywood later airplanes bushings have omitted no detrimental effects plywood isnt worn away flight operations after years use rudder horn l/8-in-thick plywood average models would too heavy correct scale appearance Thinner plywood should have brass bushings epoxied place long life tube needs slightly longer horn thickness common Control Line sevenstrand wire size purposes 018 diameter 1/2-in length 062-in outside diameter aluminum tube flat tened slightly squeezing gently between wide jaws electricians pliers Unless flattened tube will accom modate two wires 018 diameter Thread length tube wire sert wire back through tube Slide tube toward lever shorten loop crimp tube tightly squeezing pliers larger airplanes have using 021 diameter wire two will fit within aluminum tube though has made oval squeez ing Rather use larger-size tube ream out 062-in tube No 63 037 No 62 038 diameter drill before changing its shape oval no need large gaping holes fuselage sides wires emerge After model completed painted 1 36 Model Aviation 2000
Edition: Model Aviation - 1985/12
Page Numbers: 44, 45, 133, 136
Soaring Dan Pruss THINK about dont know history recorded first time someone hand-tossed RC Sailplane idea hooking thermal maxing out matter anyone knows can lay claim first model designed sole purpose ac complishing above efforts Back 1977 Dave Thornburg wowing crowd some show-stop per types flights afternoon Bar B-Q hosted Pretoria Aero-Club South Africa some attendees first Soaring World Champion ships also served first-time exposure hand-tossing fun profit display lone winch being used others mediocre times being unofficially logged Dave heaved Bird Time hooked riser casually logged 10 minutes flight ended Dave catching Bird manner ef fortless turning off radio crowd went wild first time anyone scene witnessed such demonstration show efforts no fluke Dave repeated toss max catch Two years later Dave showed up second World Championships Belgium well-known Sunbird truly design handlaunch category though class didnt officially exist elevator rudder servos mounted tandem 44 Model Aviation Jim Porter Hudson IA has pair really oodlooking bulltup designs HandLaunch events Whisper Below L Whisper II Above Below R Whisper flies ailerons elevatorand its construction art form Whisper II has pivoting wings elevator control keep need nose ballast down build tail lightl Closeup Whisper ils tail feathers show its done Jim Porter photos Novaks little 2channel receiver ideal choice Sailpianes limited space RC gearlike HandLaunched measures 07 x 130 x 145 channels match right stick twin-stick transmitters Quarter shows size unit Larry Jollys new Flinger design HandLaunch too Bare bones show typical wellproven type construction Allup wieight 12 02 span 60 Larry Jolly photo receiver sandwiched between balsa fuselage sides Dave showed good part modeling world what come same year 1979 Chris Adams brought hand-tosser LSF Tour nament out Midwest seemed like anyone couple minutes between rounds throwing arms out joint having fun doing Since time least half-dozen kits have hit market least fairly good-size contests around country devoted hand-launching clan Most kit designs follow basic poly hedral one-piece wing layout Slab-sided fuselages arent unlike some designs Two-Meter Standard class kits us have built arent specific rules handlaunched designs nor contests fly However after few years sorting out basic still unofficialdesign parameters have resolved two simple restrictions 60 inches under Continued vae 133 WE ARE SHOOTING DOWN HIGH BALSA PRICES WITH SUPER QUALITY Satisfaction Guaranteed Direct Only BALSA SHEETS 36 46 30I BALSA SliCKS 3646 11181233116 11409 332240116 3810 18 243116 1214 316249332 1410 1/4 256332 3/812 132337332 11216 12033718 1/808 116337493116 1141116 332344583718 381218 18 354714518 121024 31636282553163161116 14 3739661316 3817 516385316 122230 36 03881247114 141624 112 311015514 381926 34 316514 122130 116458764814 343444 332470845614 140 16 0480106665165162126 3164831227536 382737 14 41101346836 123246 38 22538 344255 12 422526138 152 MATCHED SHEETS 4212 123653 12 3144662 332410012 158 18410858 5848 016412034 3467 44131 BALSA HOT LINE Call 806 745-6394 10am- 6pm Central Time BALSA TRIANGL ES 36 14 14 3838 12 12 34 34 1' 1' BALSA PLANKS 11 12 13 14 1123 1124 22 23 24 33 34 TAPERED SHEETS 142 143 382 383 123 LONESTAREPOXY 9,L/t.895 50o588 150596 30oi596 E4SLBT WOOD 1323 1203 1163 3323 183 3163 143 38x3 123 343 13 1164 33204 184 3164 144 384 124 36 49 49 49 56 67 76 85 115 139 220 300 78 91 100 117 138 207 282 25 30 34 45 55 96 85 150 200 280 275 360 225 325 435 495 688 36 65TRAILING EDGE36 6514137 685161 1435 983811246 12012270 INSTANTGLUE 1 0 Th/ck298 1 z Thi298 20 Th/ck550 2 oc rs/550 BASSWOOD 316316 31614 31638 316 12 31634 14 14 1438 1434 3838 38 12 3834 12112 1234 BUNDLE DEALS 20-1 613036685 20-1164361020 20-33233684E 15-332436955 15-18336715 10-184036675 15-316336900 10-316436810 10-14336030 10-14436890 10-38336050 5384136625 5-120336540 5-12436855 10332448845 516448485 5-316448585 514448625 46 2616101317 3018141623 381 8382027 463103161724 60316367332 42316 1230 40 49141426 37 80147030 42 60141234 47 70383637 62 90 90 100 SPRUCE STICKS 36 46 18 1815 18 141824 18 382029 316 3162534 14 143145 14 383650 38 384563 38 125570 12 126088 12 340888 SPRUCE TRIANGLES 3838 12 12 34034 36 45 61 77 40 40 50 56 68 36 05 11 14 25 32 3PLSBIRCH48 16412525 13212425 11612435 1812450 SPLYBIRCH46 33212570 1812585 31612565 1412600 GROOVED LG MOUNTS 12 Inch. 38o341840 38034 532 40 123431645 LITEPLY 48 186150 LONE STAR MODELS182300 1623 57th St Lubbock TX 79412 Handling Charge$300 pay UPS Add $200 COD $300 extra PP APO FPO 1101 r,4 ""~ 1ly Miormom Order $1500 December 1985 Bob Dodgson L about give new Pivot heave Model has fiberglass fuselage foam wings Photo right crash shows Pivot can disassembled packing travel box small 2 x 7 x 36 P I S CUSTOM CUT CONTEST BALSA Sheets Piece ed Close Tolerances AAA Grade Dried ped 100% a serious modeler want performance must try 4-6 lb balsa PINE STICKS 36 48 HARD MAPLE 16 14038 3838 38 12 3634 1234 BIRCH DO WELS 18 316 14 516 38 45 mo Ex RIO Crns Topies/ O OPH MOE IC _________________________________GUESTS DISCUSS DUCTED FANS WITH Tom coo TOM WILL BE DISPLAYING HIS LEGENDARY F 4 PHANTOM 1U Piece Sc en, C 84 let piece AMA N ones 83 DISCUSS BUILDING TECHNIQUES WITH MASTER SCALE BUILDER im runow MR FUNDUI S MODELS HAVE WON BEST OF SHOWTOLEDO 1979 AND DIRECTORS AWARD FOR ACHIEVEMENT TOLEDO 1980 c cs Ii RELIVE WWI CARRIER AVIATION II WIT H OEOROE OP IISOLE SURVIVOR IITORPEDO SOUADRON 8 BATTLE OF MIDWAY OhoNotto mcchoniso mort floomor 30- urday 9-6Sunday 10-6 2OO E eococ BIUD Ohorlotte flO CAROLINA HOBBY EXPO704-786-8373 L. ~NOTICE Models Displayed Special Guests NOT EIigble Static Display Awards 51 ~ wasnt largest ever held very relaxed enjoyable non-competitive gathering IMAA Festival No 1 held Louisville KY 1981 1982 No 2 held Ida Grove IAas No 3 1983 No 4 1984 went Van Nuys CA location No 6 1986 hasnt chosen yet place time announced make plans early attend Wherever held Im sure will big gatheringand might just see eyes big better might just add its better fun too RC Soaring/Pruss Continued page 45 wingspan under 16 ounces total weight Thats about simple category can get ought kept way As contests too have kept simple Again no official rules printand matter theres no record date being pro posed Among contest rules used tasks have included two-minute maxes much time can accumulate 10-minute period relaunching being permitted course other common event man-on-man last down getting 1000 points other scores prorated winner s Advantages hand-launch class category obvious anyone has ever attended run contest arms being kind launching devices allowed winch masters can take week end off Field conditions dont have match local country clubs practice green winds can fickle Contest Directors heart other advantages worth pondering group scoring natural group size doesnt have restricted number winches available As far number flights concerned theres good chance flier would log flightsor least have opportunity tothan conven tional type winch-provided contest As long rules still formative stages permit fliers use assistant launching Lets face few fliers Soar ing closer qualifying Senior Citizens card AMA Senior Class Before yell foul above suggestion name major league pitchers know over 40 Having assistant heaver also opens up new possibilities father/son acts kid next door other kids might have opportunity get ex posed modeling An indirect approach perhaps exposure nevertheless SCALE WHEELS Real rubber tire cast aluminum hubs True scale appearance 65 diameter Pair mains 0 shipping before someone comes up list inequities such suggestion granted arms arent created equal throwing lightweight low-wingloaded models straight up does seem have its own equalizing effect So until someone employs services some javelin thrower University Mars maybe ought give system try subject hand-toss Gliders couple subjects month somewhat removed sim ple design approach mentioned above first Bob Dodgsons Pivot real departure rudderand-elevator-control designs Controls Continued page 136 GIANT SCALE RETRACT Formerly Annco Mfg Co True scale appearance Will support models up 50 lbs Positive locking up down working oleo struts Precision machined metal lightweight construction Air/hydraulic controls 13/16 air cylinder bore Gear leg length 11 pivot axle Installation drawings instructions air tank included Perfect fit Nosen kits RETRACT GEAR $22000 shipping Wheels sold separately ORDER DIRECT ONLY William M Hawke 7148 Lasting Light Way Columbia MD 21045 301 730-5596 2 December 1985 133 2 KNIGHTS AlP IT U ma u m N m m FOUR CYCLE ENGINE MOUNTS Cast oluminurn alloy Ground 90 thrust line Brigtrt polish finished Socket cap screws inCluded DRILLED AND TAPPED FOR No Jt-20 OS MAX PS 20600 No JT-4o Undnhled tar 21-40BOO No Jt-41 HPVT21 1000 No JT-42 ENVA 35-40 AC 1000 No JT-43 SAITO PA 30 tOOC NoJT-44 OSMAXPS4O 1000 No JT-45 SAITO PA 40-45 1000 No JT-46 ENA 46 AC 000 Na JT-49 HP VT 49 1200 No JT-60 Undnlled 501 60-901100 No JT-61 OS MAX FS 61 t3O0 No JT-62 Os MAX PS 6075-90t3D0 No JT-64 ESWYA 60-80-90-120 AC 1300 No JT-65 SAITO PA 65 1300 No JT-t20 Und6lled tor 120 t600 No JT-121 ENVA P 120 PC 1800 Na JE-t22 Os MAX PS 120 1800 Na JT -123 SAITO PA t20 800 No JT-125 Super hgre 25-3000 tB00 RC Soaring/Pruss Continued page 133 Pivot areas name impliesa pivoting wing wingerons coupled rudder plus elevator fuselage seamless fiberglass shell wood deck Its 36 inches long wing foam core spruce spars A2-in balsa sheeting Airfoil Eppler 387 Wingspan 60 inches design exceptionally clean no rubberbands screws exposed Micro servos 100-mA battery pack job internally room 225-mA battery pack bird towards sophisticated side kitting packaging quality throughout kit contains hardware pushrods necessary including pivoting wings Cost $6995 available direct-only Dodgson Designs 2904 SW Camano Dr Camano Island WA 98292 thought hand-launch birds boxy-looking very simple design no imagination toward aesthetics Pivot should dispel idea Jim Porter Iowa will help sup port Jim Porters two models Whisper II first has seen Midwest circlesand thermalsfor about last three years open framework fuselage makes design distinctive Controls ailerons elevator Wingspan 55 inches around Eppler 214 airfoil Allup weight 15 ounces can see construction built-up One-eighth-inch spruce longerons shape fuselage A-inch square balsa provides cross bracing contrast Whisper number II has all-sheeted pivoting wing Elevator other control As Whisper both servos mounted fuselage aedilable hobby shop ORDER DIRECT return UPS shIpment Joirir rororie ENGINE TESTING STANDS Steel restraining pins Cast Aluminum tar engine52k JT-Q3A QUADRA 35 Jt-Z34 ZENOAN G-3B IT-TD4 ALTEC ERD 2000 No OrSI JT152JI-QaB QUADRA 25 10 60Garrl sizeA 10 2 5JT-Q5B QUADRA 50 11 50 00JT-Z3B ZENOASI G-3B JT-M38 MAXI 30 2000 SIDE MOUNT MUFFLERS tar PUTS CAP 21 CESSNA 150 etc No JT-40 29-404h 60 1500 4591 12 EXHAUST EXTENSIONS NEOPS5NE JtMI2016 400JINSA , biA 350 JI M55 % 016455J5N38 50 JtNi2 75 78016 600JINOS 00 JtN3A 6 BrA550 GIANT ENGINE MUFFLERS Marched engine tail pipe extensions mounting bolts included Also available tar ATLAS 46 BULLY COBRA KAWASAKI KIORITZ SACH-DOMLER SUPER TIGRE 2500-3000 jt-Q3L QUADRA 35 Jt-Q5L QUADRA 50 Jt-Z3L ZENOAH G-3B JT-TDR ALTEC ERD JT-M3R MAXI 30 JT-Q3R QUADRA 35 JT-QSR QUADRA 50 JT-Z3R ZENOAH G-38 JT-M3L MAXI 30 JT-Q54 QUADRA 50 JT-M34 MAXI 30 2000 JT-Q SS QUADRA 50 JT-M35 MAXI 30 2000 MAIL ORDER Ptease add 250 tar UPS shipping Check MO VISA MC COD accepted Add 200 estra tar COD Calit residenTs add 6% tax -SEND FOR FREE CATALOGAirfoil again Eppler 214 span 61 inches unwritten weight-limit also bumped number II pushes 1TA ounces Well have fans Some thoughts ideas photos thinking small Its fact hand-launch unofficial category novel idea just whim local group fliers Its growing steadily since least 1977 andjudging letters club newslettersthere terest nationwide So maybe its time think-small category think-big con test unofficial event 1986 AMA Nationals event could run day after regular Soaring schedule Pre-registra tion could take place during regular events get idea would compete event could run competing unlike large club con test way regular task force workers wouldnt loaded down extra chores Tasks task could simple Let weather dictate Simple man-on-man five-minute max would help keep things flowing no winches concerned about group could ready box launch area ready fly soon previous groups transmitters clean Since would unofficial event entry fee could too no trophies available let small entry fee say buck two divided up prize money really could minimumhassle/maximum-fun event Think about pass thoughts way Well pass Good lift Dan Pruss 131 E Pennington Ln Plainfield IL 60544 responding advertisers mention read about ModelAviation RC Scale/Wischers Continued page 47 basswood pine lever will pivot freely block needs cemented securely fuselage centerline braced withstand tension cables time concerned about wear center hole also drilled holes cable attachment used short lengths brass tube bush ings plywood later airplanes bushings have omitted no detrimental effects plywood isnt worn away flight operations after years use rudder horn l/8-in-thick plywood average models would too heavy correct scale appearance Thinner plywood should have brass bushings epoxied place long life tube needs slightly longer horn thickness common Control Line sevenstrand wire size purposes 018 diameter 1/2-in length 062-in outside diameter aluminum tube flat tened slightly squeezing gently between wide jaws electricians pliers Unless flattened tube will accom modate two wires 018 diameter Thread length tube wire sert wire back through tube Slide tube toward lever shorten loop crimp tube tightly squeezing pliers larger airplanes have using 021 diameter wire two will fit within aluminum tube though has made oval squeez ing Rather use larger-size tube ream out 062-in tube No 63 037 No 62 038 diameter drill before changing its shape oval no need large gaping holes fuselage sides wires emerge After model completed painted 1 36 Model Aviation 2000
Edition: Model Aviation - 1985/12
Page Numbers: 44, 45, 133, 136
Soaring Dan Pruss THINK about dont know history recorded first time someone hand-tossed RC Sailplane idea hooking thermal maxing out matter anyone knows can lay claim first model designed sole purpose ac complishing above efforts Back 1977 Dave Thornburg wowing crowd some show-stop per types flights afternoon Bar B-Q hosted Pretoria Aero-Club South Africa some attendees first Soaring World Champion ships also served first-time exposure hand-tossing fun profit display lone winch being used others mediocre times being unofficially logged Dave heaved Bird Time hooked riser casually logged 10 minutes flight ended Dave catching Bird manner ef fortless turning off radio crowd went wild first time anyone scene witnessed such demonstration show efforts no fluke Dave repeated toss max catch Two years later Dave showed up second World Championships Belgium well-known Sunbird truly design handlaunch category though class didnt officially exist elevator rudder servos mounted tandem 44 Model Aviation Jim Porter Hudson IA has pair really oodlooking bulltup designs HandLaunch events Whisper Below L Whisper II Above Below R Whisper flies ailerons elevatorand its construction art form Whisper II has pivoting wings elevator control keep need nose ballast down build tail lightl Closeup Whisper ils tail feathers show its done Jim Porter photos Novaks little 2channel receiver ideal choice Sailpianes limited space RC gearlike HandLaunched measures 07 x 130 x 145 channels match right stick twin-stick transmitters Quarter shows size unit Larry Jollys new Flinger design HandLaunch too Bare bones show typical wellproven type construction Allup wieight 12 02 span 60 Larry Jolly photo receiver sandwiched between balsa fuselage sides Dave showed good part modeling world what come same year 1979 Chris Adams brought hand-tosser LSF Tour nament out Midwest seemed like anyone couple minutes between rounds throwing arms out joint having fun doing Since time least half-dozen kits have hit market least fairly good-size contests around country devoted hand-launching clan Most kit designs follow basic poly hedral one-piece wing layout Slab-sided fuselages arent unlike some designs Two-Meter Standard class kits us have built arent specific rules handlaunched designs nor contests fly However after few years sorting out basic still unofficialdesign parameters have resolved two simple restrictions 60 inches under Continued vae 133 WE ARE SHOOTING DOWN HIGH BALSA PRICES WITH SUPER QUALITY Satisfaction Guaranteed Direct Only BALSA SHEETS 36 46 30I BALSA SliCKS 3646 11181233116 11409 332240116 3810 18 243116 1214 316249332 1410 1/4 256332 3/812 132337332 11216 12033718 1/808 116337493116 1141116 332344583718 381218 18 354714518 121024 31636282553163161116 14 3739661316 3817 516385316 122230 36 03881247114 141624 112 311015514 381926 34 316514 122130 116458764814 343444 332470845614 140 16 0480106665165162126 3164831227536 382737 14 41101346836 123246 38 22538 344255 12 422526138 152 MATCHED SHEETS 4212 123653 12 3144662 332410012 158 18410858 5848 016412034 3467 44131 BALSA HOT LINE Call 806 745-6394 10am- 6pm Central Time BALSA TRIANGL ES 36 14 14 3838 12 12 34 34 1' 1' BALSA PLANKS 11 12 13 14 1123 1124 22 23 24 33 34 TAPERED SHEETS 142 143 382 383 123 LONESTAREPOXY 9,L/t.895 50o588 150596 30oi596 E4SLBT WOOD 1323 1203 1163 3323 183 3163 143 38x3 123 343 13 1164 33204 184 3164 144 384 124 36 49 49 49 56 67 76 85 115 139 220 300 78 91 100 117 138 207 282 25 30 34 45 55 96 85 150 200 280 275 360 225 325 435 495 688 36 65TRAILING EDGE36 6514137 685161 1435 983811246 12012270 INSTANTGLUE 1 0 Th/ck298 1 z Thi298 20 Th/ck550 2 oc rs/550 BASSWOOD 316316 31614 31638 316 12 31634 14 14 1438 1434 3838 38 12 3834 12112 1234 BUNDLE DEALS 20-1 613036685 20-1164361020 20-33233684E 15-332436955 15-18336715 10-184036675 15-316336900 10-316436810 10-14336030 10-14436890 10-38336050 5384136625 5-120336540 5-12436855 10332448845 516448485 5-316448585 514448625 46 2616101317 3018141623 381 8382027 463103161724 60316367332 42316 1230 40 49141426 37 80147030 42 60141234 47 70383637 62 90 90 100 SPRUCE STICKS 36 46 18 1815 18 141824 18 382029 316 3162534 14 143145 14 383650 38 384563 38 125570 12 126088 12 340888 SPRUCE TRIANGLES 3838 12 12 34034 36 45 61 77 40 40 50 56 68 36 05 11 14 25 32 3PLSBIRCH48 16412525 13212425 11612435 1812450 SPLYBIRCH46 33212570 1812585 31612565 1412600 GROOVED LG MOUNTS 12 Inch. 38o341840 38034 532 40 123431645 LITEPLY 48 186150 LONE STAR MODELS182300 1623 57th St Lubbock TX 79412 Handling Charge$300 pay UPS Add $200 COD $300 extra PP APO FPO 1101 r,4 ""~ 1ly Miormom Order $1500 December 1985 Bob Dodgson L about give new Pivot heave Model has fiberglass fuselage foam wings Photo right crash shows Pivot can disassembled packing travel box small 2 x 7 x 36 P I S CUSTOM CUT CONTEST BALSA Sheets Piece ed Close Tolerances AAA Grade Dried ped 100% a serious modeler want performance must try 4-6 lb balsa PINE STICKS 36 48 HARD MAPLE 16 14038 3838 38 12 3634 1234 BIRCH DO WELS 18 316 14 516 38 45 mo Ex RIO Crns Topies/ O OPH MOE IC _________________________________GUESTS DISCUSS DUCTED FANS WITH Tom coo TOM WILL BE DISPLAYING HIS LEGENDARY F 4 PHANTOM 1U Piece Sc en, C 84 let piece AMA N ones 83 DISCUSS BUILDING TECHNIQUES WITH MASTER SCALE BUILDER im runow MR FUNDUI S MODELS HAVE WON BEST OF SHOWTOLEDO 1979 AND DIRECTORS AWARD FOR ACHIEVEMENT TOLEDO 1980 c cs Ii RELIVE WWI CARRIER AVIATION II WIT H OEOROE OP IISOLE SURVIVOR IITORPEDO SOUADRON 8 BATTLE OF MIDWAY OhoNotto mcchoniso mort floomor 30- urday 9-6Sunday 10-6 2OO E eococ BIUD Ohorlotte flO CAROLINA HOBBY EXPO704-786-8373 L. ~NOTICE Models Displayed Special Guests NOT EIigble Static Display Awards 51 ~ wasnt largest ever held very relaxed enjoyable non-competitive gathering IMAA Festival No 1 held Louisville KY 1981 1982 No 2 held Ida Grove IAas No 3 1983 No 4 1984 went Van Nuys CA location No 6 1986 hasnt chosen yet place time announced make plans early attend Wherever held Im sure will big gatheringand might just see eyes big better might just add its better fun too RC Soaring/Pruss Continued page 45 wingspan under 16 ounces total weight Thats about simple category can get ought kept way As contests too have kept simple Again no official rules printand matter theres no record date being pro posed Among contest rules used tasks have included two-minute maxes much time can accumulate 10-minute period relaunching being permitted course other common event man-on-man last down getting 1000 points other scores prorated winner s Advantages hand-launch class category obvious anyone has ever attended run contest arms being kind launching devices allowed winch masters can take week end off Field conditions dont have match local country clubs practice green winds can fickle Contest Directors heart other advantages worth pondering group scoring natural group size doesnt have restricted number winches available As far number flights concerned theres good chance flier would log flightsor least have opportunity tothan conven tional type winch-provided contest As long rules still formative stages permit fliers use assistant launching Lets face few fliers Soar ing closer qualifying Senior Citizens card AMA Senior Class Before yell foul above suggestion name major league pitchers know over 40 Having assistant heaver also opens up new possibilities father/son acts kid next door other kids might have opportunity get ex posed modeling An indirect approach perhaps exposure nevertheless SCALE WHEELS Real rubber tire cast aluminum hubs True scale appearance 65 diameter Pair mains 0 shipping before someone comes up list inequities such suggestion granted arms arent created equal throwing lightweight low-wingloaded models straight up does seem have its own equalizing effect So until someone employs services some javelin thrower University Mars maybe ought give system try subject hand-toss Gliders couple subjects month somewhat removed sim ple design approach mentioned above first Bob Dodgsons Pivot real departure rudderand-elevator-control designs Controls Continued page 136 GIANT SCALE RETRACT Formerly Annco Mfg Co True scale appearance Will support models up 50 lbs Positive locking up down working oleo struts Precision machined metal lightweight construction Air/hydraulic controls 13/16 air cylinder bore Gear leg length 11 pivot axle Installation drawings instructions air tank included Perfect fit Nosen kits RETRACT GEAR $22000 shipping Wheels sold separately ORDER DIRECT ONLY William M Hawke 7148 Lasting Light Way Columbia MD 21045 301 730-5596 2 December 1985 133 2 KNIGHTS AlP IT U ma u m N m m FOUR CYCLE ENGINE MOUNTS Cast oluminurn alloy Ground 90 thrust line Brigtrt polish finished Socket cap screws inCluded DRILLED AND TAPPED FOR No Jt-20 OS MAX PS 20600 No JT-4o Undnhled tar 21-40BOO No Jt-41 HPVT21 1000 No JT-42 ENVA 35-40 AC 1000 No JT-43 SAITO PA 30 tOOC NoJT-44 OSMAXPS4O 1000 No JT-45 SAITO PA 40-45 1000 No JT-46 ENA 46 AC 000 Na JT-49 HP VT 49 1200 No JT-60 Undnlled 501 60-901100 No JT-61 OS MAX FS 61 t3O0 No JT-62 Os MAX PS 6075-90t3D0 No JT-64 ESWYA 60-80-90-120 AC 1300 No JT-65 SAITO PA 65 1300 No JT-t20 Und6lled tor 120 t600 No JT-121 ENVA P 120 PC 1800 Na JE-t22 Os MAX PS 120 1800 Na JT -123 SAITO PA t20 800 No JT-125 Super hgre 25-3000 tB00 RC Soaring/Pruss Continued page 133 Pivot areas name impliesa pivoting wing wingerons coupled rudder plus elevator fuselage seamless fiberglass shell wood deck Its 36 inches long wing foam core spruce spars A2-in balsa sheeting Airfoil Eppler 387 Wingspan 60 inches design exceptionally clean no rubberbands screws exposed Micro servos 100-mA battery pack job internally room 225-mA battery pack bird towards sophisticated side kitting packaging quality throughout kit contains hardware pushrods necessary including pivoting wings Cost $6995 available direct-only Dodgson Designs 2904 SW Camano Dr Camano Island WA 98292 thought hand-launch birds boxy-looking very simple design no imagination toward aesthetics Pivot should dispel idea Jim Porter Iowa will help sup port Jim Porters two models Whisper II first has seen Midwest circlesand thermalsfor about last three years open framework fuselage makes design distinctive Controls ailerons elevator Wingspan 55 inches around Eppler 214 airfoil Allup weight 15 ounces can see construction built-up One-eighth-inch spruce longerons shape fuselage A-inch square balsa provides cross bracing contrast Whisper number II has all-sheeted pivoting wing Elevator other control As Whisper both servos mounted fuselage aedilable hobby shop ORDER DIRECT return UPS shIpment Joirir rororie ENGINE TESTING STANDS Steel restraining pins Cast Aluminum tar engine52k JT-Q3A QUADRA 35 Jt-Z34 ZENOAN G-3B IT-TD4 ALTEC ERD 2000 No OrSI JT152JI-QaB QUADRA 25 10 60Garrl sizeA 10 2 5JT-Q5B QUADRA 50 11 50 00JT-Z3B ZENOASI G-3B JT-M38 MAXI 30 2000 SIDE MOUNT MUFFLERS tar PUTS CAP 21 CESSNA 150 etc No JT-40 29-404h 60 1500 4591 12 EXHAUST EXTENSIONS NEOPS5NE JtMI2016 400JINSA , biA 350 JI M55 % 016455J5N38 50 JtNi2 75 78016 600JINOS 00 JtN3A 6 BrA550 GIANT ENGINE MUFFLERS Marched engine tail pipe extensions mounting bolts included Also available tar ATLAS 46 BULLY COBRA KAWASAKI KIORITZ SACH-DOMLER SUPER TIGRE 2500-3000 jt-Q3L QUADRA 35 Jt-Q5L QUADRA 50 Jt-Z3L ZENOAH G-3B JT-TDR ALTEC ERD JT-M3R MAXI 30 JT-Q3R QUADRA 35 JT-QSR QUADRA 50 JT-Z3R ZENOAH G-38 JT-M3L MAXI 30 JT-Q54 QUADRA 50 JT-M34 MAXI 30 2000 JT-Q SS QUADRA 50 JT-M35 MAXI 30 2000 MAIL ORDER Ptease add 250 tar UPS shipping Check MO VISA MC COD accepted Add 200 estra tar COD Calit residenTs add 6% tax -SEND FOR FREE CATALOGAirfoil again Eppler 214 span 61 inches unwritten weight-limit also bumped number II pushes 1TA ounces Well have fans Some thoughts ideas photos thinking small Its fact hand-launch unofficial category novel idea just whim local group fliers Its growing steadily since least 1977 andjudging letters club newslettersthere terest nationwide So maybe its time think-small category think-big con test unofficial event 1986 AMA Nationals event could run day after regular Soaring schedule Pre-registra tion could take place during regular events get idea would compete event could run competing unlike large club con test way regular task force workers wouldnt loaded down extra chores Tasks task could simple Let weather dictate Simple man-on-man five-minute max would help keep things flowing no winches concerned about group could ready box launch area ready fly soon previous groups transmitters clean Since would unofficial event entry fee could too no trophies available let small entry fee say buck two divided up prize money really could minimumhassle/maximum-fun event Think about pass thoughts way Well pass Good lift Dan Pruss 131 E Pennington Ln Plainfield IL 60544 responding advertisers mention read about ModelAviation RC Scale/Wischers Continued page 47 basswood pine lever will pivot freely block needs cemented securely fuselage centerline braced withstand tension cables time concerned about wear center hole also drilled holes cable attachment used short lengths brass tube bush ings plywood later airplanes bushings have omitted no detrimental effects plywood isnt worn away flight operations after years use rudder horn l/8-in-thick plywood average models would too heavy correct scale appearance Thinner plywood should have brass bushings epoxied place long life tube needs slightly longer horn thickness common Control Line sevenstrand wire size purposes 018 diameter 1/2-in length 062-in outside diameter aluminum tube flat tened slightly squeezing gently between wide jaws electricians pliers Unless flattened tube will accom modate two wires 018 diameter Thread length tube wire sert wire back through tube Slide tube toward lever shorten loop crimp tube tightly squeezing pliers larger airplanes have using 021 diameter wire two will fit within aluminum tube though has made oval squeez ing Rather use larger-size tube ream out 062-in tube No 63 037 No 62 038 diameter drill before changing its shape oval no need large gaping holes fuselage sides wires emerge After model completed painted 1 36 Model Aviation 2000
Edition: Model Aviation - 1985/12
Page Numbers: 44, 45, 133, 136
Soaring Dan Pruss THINK about dont know history recorded first time someone hand-tossed RC Sailplane idea hooking thermal maxing out matter anyone knows can lay claim first model designed sole purpose ac complishing above efforts Back 1977 Dave Thornburg wowing crowd some show-stop per types flights afternoon Bar B-Q hosted Pretoria Aero-Club South Africa some attendees first Soaring World Champion ships also served first-time exposure hand-tossing fun profit display lone winch being used others mediocre times being unofficially logged Dave heaved Bird Time hooked riser casually logged 10 minutes flight ended Dave catching Bird manner ef fortless turning off radio crowd went wild first time anyone scene witnessed such demonstration show efforts no fluke Dave repeated toss max catch Two years later Dave showed up second World Championships Belgium well-known Sunbird truly design handlaunch category though class didnt officially exist elevator rudder servos mounted tandem 44 Model Aviation Jim Porter Hudson IA has pair really oodlooking bulltup designs HandLaunch events Whisper Below L Whisper II Above Below R Whisper flies ailerons elevatorand its construction art form Whisper II has pivoting wings elevator control keep need nose ballast down build tail lightl Closeup Whisper ils tail feathers show its done Jim Porter photos Novaks little 2channel receiver ideal choice Sailpianes limited space RC gearlike HandLaunched measures 07 x 130 x 145 channels match right stick twin-stick transmitters Quarter shows size unit Larry Jollys new Flinger design HandLaunch too Bare bones show typical wellproven type construction Allup wieight 12 02 span 60 Larry Jolly photo receiver sandwiched between balsa fuselage sides Dave showed good part modeling world what come same year 1979 Chris Adams brought hand-tosser LSF Tour nament out Midwest seemed like anyone couple minutes between rounds throwing arms out joint having fun doing Since time least half-dozen kits have hit market least fairly good-size contests around country devoted hand-launching clan Most kit designs follow basic poly hedral one-piece wing layout Slab-sided fuselages arent unlike some designs Two-Meter Standard class kits us have built arent specific rules handlaunched designs nor contests fly However after few years sorting out basic still unofficialdesign parameters have resolved two simple restrictions 60 inches under Continued vae 133 WE ARE SHOOTING DOWN HIGH BALSA PRICES WITH SUPER QUALITY Satisfaction Guaranteed Direct Only BALSA SHEETS 36 46 30I BALSA SliCKS 3646 11181233116 11409 332240116 3810 18 243116 1214 316249332 1410 1/4 256332 3/812 132337332 11216 12033718 1/808 116337493116 1141116 332344583718 381218 18 354714518 121024 31636282553163161116 14 3739661316 3817 516385316 122230 36 03881247114 141624 112 311015514 381926 34 316514 122130 116458764814 343444 332470845614 140 16 0480106665165162126 3164831227536 382737 14 41101346836 123246 38 22538 344255 12 422526138 152 MATCHED SHEETS 4212 123653 12 3144662 332410012 158 18410858 5848 016412034 3467 44131 BALSA HOT LINE Call 806 745-6394 10am- 6pm Central Time BALSA TRIANGL ES 36 14 14 3838 12 12 34 34 1' 1' BALSA PLANKS 11 12 13 14 1123 1124 22 23 24 33 34 TAPERED SHEETS 142 143 382 383 123 LONESTAREPOXY 9,L/t.895 50o588 150596 30oi596 E4SLBT WOOD 1323 1203 1163 3323 183 3163 143 38x3 123 343 13 1164 33204 184 3164 144 384 124 36 49 49 49 56 67 76 85 115 139 220 300 78 91 100 117 138 207 282 25 30 34 45 55 96 85 150 200 280 275 360 225 325 435 495 688 36 65TRAILING EDGE36 6514137 685161 1435 983811246 12012270 INSTANTGLUE 1 0 Th/ck298 1 z Thi298 20 Th/ck550 2 oc rs/550 BASSWOOD 316316 31614 31638 316 12 31634 14 14 1438 1434 3838 38 12 3834 12112 1234 BUNDLE DEALS 20-1 613036685 20-1164361020 20-33233684E 15-332436955 15-18336715 10-184036675 15-316336900 10-316436810 10-14336030 10-14436890 10-38336050 5384136625 5-120336540 5-12436855 10332448845 516448485 5-316448585 514448625 46 2616101317 3018141623 381 8382027 463103161724 60316367332 42316 1230 40 49141426 37 80147030 42 60141234 47 70383637 62 90 90 100 SPRUCE STICKS 36 46 18 1815 18 141824 18 382029 316 3162534 14 143145 14 383650 38 384563 38 125570 12 126088 12 340888 SPRUCE TRIANGLES 3838 12 12 34034 36 45 61 77 40 40 50 56 68 36 05 11 14 25 32 3PLSBIRCH48 16412525 13212425 11612435 1812450 SPLYBIRCH46 33212570 1812585 31612565 1412600 GROOVED LG MOUNTS 12 Inch. 38o341840 38034 532 40 123431645 LITEPLY 48 186150 LONE STAR MODELS182300 1623 57th St Lubbock TX 79412 Handling Charge$300 pay UPS Add $200 COD $300 extra PP APO FPO 1101 r,4 ""~ 1ly Miormom Order $1500 December 1985 Bob Dodgson L about give new Pivot heave Model has fiberglass fuselage foam wings Photo right crash shows Pivot can disassembled packing travel box small 2 x 7 x 36 P I S CUSTOM CUT CONTEST BALSA Sheets Piece ed Close Tolerances AAA Grade Dried ped 100% a serious modeler want performance must try 4-6 lb balsa PINE STICKS 36 48 HARD MAPLE 16 14038 3838 38 12 3634 1234 BIRCH DO WELS 18 316 14 516 38 45 mo Ex RIO Crns Topies/ O OPH MOE IC _________________________________GUESTS DISCUSS DUCTED FANS WITH Tom coo TOM WILL BE DISPLAYING HIS LEGENDARY F 4 PHANTOM 1U Piece Sc en, C 84 let piece AMA N ones 83 DISCUSS BUILDING TECHNIQUES WITH MASTER SCALE BUILDER im runow MR FUNDUI S MODELS HAVE WON BEST OF SHOWTOLEDO 1979 AND DIRECTORS AWARD FOR ACHIEVEMENT TOLEDO 1980 c cs Ii RELIVE WWI CARRIER AVIATION II WIT H OEOROE OP IISOLE SURVIVOR IITORPEDO SOUADRON 8 BATTLE OF MIDWAY OhoNotto mcchoniso mort floomor 30- urday 9-6Sunday 10-6 2OO E eococ BIUD Ohorlotte flO CAROLINA HOBBY EXPO704-786-8373 L. ~NOTICE Models Displayed Special Guests NOT EIigble Static Display Awards 51 ~ wasnt largest ever held very relaxed enjoyable non-competitive gathering IMAA Festival No 1 held Louisville KY 1981 1982 No 2 held Ida Grove IAas No 3 1983 No 4 1984 went Van Nuys CA location No 6 1986 hasnt chosen yet place time announced make plans early attend Wherever held Im sure will big gatheringand might just see eyes big better might just add its better fun too RC Soaring/Pruss Continued page 45 wingspan under 16 ounces total weight Thats about simple category can get ought kept way As contests too have kept simple Again no official rules printand matter theres no record date being pro posed Among contest rules used tasks have included two-minute maxes much time can accumulate 10-minute period relaunching being permitted course other common event man-on-man last down getting 1000 points other scores prorated winner s Advantages hand-launch class category obvious anyone has ever attended run contest arms being kind launching devices allowed winch masters can take week end off Field conditions dont have match local country clubs practice green winds can fickle Contest Directors heart other advantages worth pondering group scoring natural group size doesnt have restricted number winches available As far number flights concerned theres good chance flier would log flightsor least have opportunity tothan conven tional type winch-provided contest As long rules still formative stages permit fliers use assistant launching Lets face few fliers Soar ing closer qualifying Senior Citizens card AMA Senior Class Before yell foul above suggestion name major league pitchers know over 40 Having assistant heaver also opens up new possibilities father/son acts kid next door other kids might have opportunity get ex posed modeling An indirect approach perhaps exposure nevertheless SCALE WHEELS Real rubber tire cast aluminum hubs True scale appearance 65 diameter Pair mains 0 shipping before someone comes up list inequities such suggestion granted arms arent created equal throwing lightweight low-wingloaded models straight up does seem have its own equalizing effect So until someone employs services some javelin thrower University Mars maybe ought give system try subject hand-toss Gliders couple subjects month somewhat removed sim ple design approach mentioned above first Bob Dodgsons Pivot real departure rudderand-elevator-control designs Controls Continued page 136 GIANT SCALE RETRACT Formerly Annco Mfg Co True scale appearance Will support models up 50 lbs Positive locking up down working oleo struts Precision machined metal lightweight construction Air/hydraulic controls 13/16 air cylinder bore Gear leg length 11 pivot axle Installation drawings instructions air tank included Perfect fit Nosen kits RETRACT GEAR $22000 shipping Wheels sold separately ORDER DIRECT ONLY William M Hawke 7148 Lasting Light Way Columbia MD 21045 301 730-5596 2 December 1985 133 2 KNIGHTS AlP IT U ma u m N m m FOUR CYCLE ENGINE MOUNTS Cast oluminurn alloy Ground 90 thrust line Brigtrt polish finished Socket cap screws inCluded DRILLED AND TAPPED FOR No Jt-20 OS MAX PS 20600 No JT-4o Undnhled tar 21-40BOO No Jt-41 HPVT21 1000 No JT-42 ENVA 35-40 AC 1000 No JT-43 SAITO PA 30 tOOC NoJT-44 OSMAXPS4O 1000 No JT-45 SAITO PA 40-45 1000 No JT-46 ENA 46 AC 000 Na JT-49 HP VT 49 1200 No JT-60 Undnlled 501 60-901100 No JT-61 OS MAX FS 61 t3O0 No JT-62 Os MAX PS 6075-90t3D0 No JT-64 ESWYA 60-80-90-120 AC 1300 No JT-65 SAITO PA 65 1300 No JT-t20 Und6lled tor 120 t600 No JT-121 ENVA P 120 PC 1800 Na JE-t22 Os MAX PS 120 1800 Na JT -123 SAITO PA t20 800 No JT-125 Super hgre 25-3000 tB00 RC Soaring/Pruss Continued page 133 Pivot areas name impliesa pivoting wing wingerons coupled rudder plus elevator fuselage seamless fiberglass shell wood deck Its 36 inches long wing foam core spruce spars A2-in balsa sheeting Airfoil Eppler 387 Wingspan 60 inches design exceptionally clean no rubberbands screws exposed Micro servos 100-mA battery pack job internally room 225-mA battery pack bird towards sophisticated side kitting packaging quality throughout kit contains hardware pushrods necessary including pivoting wings Cost $6995 available direct-only Dodgson Designs 2904 SW Camano Dr Camano Island WA 98292 thought hand-launch birds boxy-looking very simple design no imagination toward aesthetics Pivot should dispel idea Jim Porter Iowa will help sup port Jim Porters two models Whisper II first has seen Midwest circlesand thermalsfor about last three years open framework fuselage makes design distinctive Controls ailerons elevator Wingspan 55 inches around Eppler 214 airfoil Allup weight 15 ounces can see construction built-up One-eighth-inch spruce longerons shape fuselage A-inch square balsa provides cross bracing contrast Whisper number II has all-sheeted pivoting wing Elevator other control As Whisper both servos mounted fuselage aedilable hobby shop ORDER DIRECT return UPS shIpment Joirir rororie ENGINE TESTING STANDS Steel restraining pins Cast Aluminum tar engine52k JT-Q3A QUADRA 35 Jt-Z34 ZENOAN G-3B IT-TD4 ALTEC ERD 2000 No OrSI JT152JI-QaB QUADRA 25 10 60Garrl sizeA 10 2 5JT-Q5B QUADRA 50 11 50 00JT-Z3B ZENOASI G-3B JT-M38 MAXI 30 2000 SIDE MOUNT MUFFLERS tar PUTS CAP 21 CESSNA 150 etc No JT-40 29-404h 60 1500 4591 12 EXHAUST EXTENSIONS NEOPS5NE JtMI2016 400JINSA , biA 350 JI M55 % 016455J5N38 50 JtNi2 75 78016 600JINOS 00 JtN3A 6 BrA550 GIANT ENGINE MUFFLERS Marched engine tail pipe extensions mounting bolts included Also available tar ATLAS 46 BULLY COBRA KAWASAKI KIORITZ SACH-DOMLER SUPER TIGRE 2500-3000 jt-Q3L QUADRA 35 Jt-Q5L QUADRA 50 Jt-Z3L ZENOAH G-3B JT-TDR ALTEC ERD JT-M3R MAXI 30 JT-Q3R QUADRA 35 JT-QSR QUADRA 50 JT-Z3R ZENOAH G-38 JT-M3L MAXI 30 JT-Q54 QUADRA 50 JT-M34 MAXI 30 2000 JT-Q SS QUADRA 50 JT-M35 MAXI 30 2000 MAIL ORDER Ptease add 250 tar UPS shipping Check MO VISA MC COD accepted Add 200 estra tar COD Calit residenTs add 6% tax -SEND FOR FREE CATALOGAirfoil again Eppler 214 span 61 inches unwritten weight-limit also bumped number II pushes 1TA ounces Well have fans Some thoughts ideas photos thinking small Its fact hand-launch unofficial category novel idea just whim local group fliers Its growing steadily since least 1977 andjudging letters club newslettersthere terest nationwide So maybe its time think-small category think-big con test unofficial event 1986 AMA Nationals event could run day after regular Soaring schedule Pre-registra tion could take place during regular events get idea would compete event could run competing unlike large club con test way regular task force workers wouldnt loaded down extra chores Tasks task could simple Let weather dictate Simple man-on-man five-minute max would help keep things flowing no winches concerned about group could ready box launch area ready fly soon previous groups transmitters clean Since would unofficial event entry fee could too no trophies available let small entry fee say buck two divided up prize money really could minimumhassle/maximum-fun event Think about pass thoughts way Well pass Good lift Dan Pruss 131 E Pennington Ln Plainfield IL 60544 responding advertisers mention read about ModelAviation RC Scale/Wischers Continued page 47 basswood pine lever will pivot freely block needs cemented securely fuselage centerline braced withstand tension cables time concerned about wear center hole also drilled holes cable attachment used short lengths brass tube bush ings plywood later airplanes bushings have omitted no detrimental effects plywood isnt worn away flight operations after years use rudder horn l/8-in-thick plywood average models would too heavy correct scale appearance Thinner plywood should have brass bushings epoxied place long life tube needs slightly longer horn thickness common Control Line sevenstrand wire size purposes 018 diameter 1/2-in length 062-in outside diameter aluminum tube flat tened slightly squeezing gently between wide jaws electricians pliers Unless flattened tube will accom modate two wires 018 diameter Thread length tube wire sert wire back through tube Slide tube toward lever shorten loop crimp tube tightly squeezing pliers larger airplanes have using 021 diameter wire two will fit within aluminum tube though has made oval squeez ing Rather use larger-size tube ream out 062-in tube No 63 037 No 62 038 diameter drill before changing its shape oval no need large gaping holes fuselage sides wires emerge After model completed painted 1 36 Model Aviation 2000