KEN GROVES IS DEAD John Marett comes sad news Ken Groves Canada apparently suffered heart attack golfing Ken well known US fre quent entrant US Indoor meets standards craftsmanship highest strong competitor events US Cana dian fliers will miss competitor friend Ca nadians will also miss hundreds hours work per year Ken devoted promoting model aviation Danger alert Recent letters verbal warnings have together spread alarm about rubber stor age bags Several years ago discovered sulfur content normal paper envelopes will ruin motors stored envelopes time best advice seemed to use plastic selfseal zipper bags instead paper recent months has discovered chemicals exuding some plastic bags will also attack rubber motors Thanks Manny Ra doff first noting problem spreading warning Dennis Pepperel St Al bens England club identifying damaging agent plastic bags culpritsto safe change materials described below What kind damage Sulfur paper de vulcanizes softens rubber primary symp tom loss torque motors no longer de velop same torque given number turns once did Vinyl chloride report edly damaging element plastic bags exposed rubber gets brittle breaks easily un der tension Are motors damaged used anything except acid-free paper envelopes assume motors have softened little lot damage depends time storage temperature Lower temperatures reduce rate chemical reactions cold storage will have reduced possible damage wont know sure unless have previously re corded turns vs torque motor test possible vinyl chloride damage simplestretch short section rubber Se verely damaged rubber can quickly reduced pile short scraps just seconds Note rubber has aged naturally may have similar response stress Whats solution Stamp collectors store treasures glassine envelopes available stamp dealers about three six cents depending size typically sold packs 100 bulk storage use plastic oven cooking bags also expensive made nylon Bags can stand higher temperatures over 4000 F polycarbonate much expensive Oven bags typically available 10 x 16-in 16 x 20-in sizes Ive made smaller bags large oven bags using double-sided tape seal excess material smaller sections cur rently have no information possible dam age chemicals tape Peanuts & Pistachios again Bill Hannan has published number five fine series sue larger includes international con tributions price has gone up $795 plus $2 P&H Hannans Runway has new address Box 210 Magalia CA 95954 publica tions really important Indoor Scale fliers Flying opportunities following listings contest dates presently hand CDs please fill dates February 1991 beContinued page 176 Left Mini Stick revisited Tom Vallee contrasts beginner model Limited Pennyplane Both model sizes have uses tiny models suited really small sites such large living rooms Right Ornithopters have come long way Roy White shown dis playing record-setting Ornithopter flew 1518 Akron after flights 1240 1338 1406 1450 Really good times January 1991 83 Free Flight Indoor Bud Tenny Box 545 Richardson TX 75080 Left John Triolos Manhattan Cabin model shown after cleaned out some OT tflC girders tne usic model retrieved tail boom stuck microfilm model real ceiling scrubber Right Whats Scale B-36 Catapult Glider Catapult Glider has expanded clude Catapult Scale least Bedford TX experimental event proposed Jesse Shepherd sessions Bedford Boys Ranch near Ft Worth Aside being Scale model Scale Catapult models meet 1 2-in-maximum-span part stan dard Catapult Glider rules Modeling Accessories MASIER AI1ISCRIW alsa Stripper Precision stripwood easy Balsa Strip per Strips up 1/2 wide 114 thick can cut quickly accurately sheet stock vernier wheel advances 1/32 precise adjust ment stripper uses std type 11 hobby blade $495 suggested retail Razor Master Airscr mr lane Plane uses heavy-duty ndustrial blade held place two locating screws allowing cutting depth set very rigidly accurately Use rounding smoothing contours fuselages cowlings shaping edges thinning strips etc $495 sug gesfed retail Replacement blades available stock no MA2101 $149 pack 3 cDc ine S Fuel Filter fuel filter outstanding value has threaded two-part alum num body 100-mesh stainless screen removeable easy cleaning $119 suggested retail Direct Drive 05 Prop Adaptor all-aluminum prop adaptor designed 05 electric motors recommended use Master Airscrew 7x4 7x6 8x4 8x6 propellers $395 suggested retail See Hobby Dealer WINDSOR PROPELLER CO 3219 Monier Cir Rancho Cordova CA 95742 new Astroflight Cobalt electric motors photos shows large Rearwin Speed ster rubber model built Burd plans lovely thing can get plans Danny Sheelds himself lovely thing will cost $750 does include postage has couple other plans may interested Kind Burd $750 postage paid gas model Korff Professor seven foot Gassie $950 lam sure will show copies pho tos latter two ask send SASE need plans Rearwin right Send money Danny Sheelds 2318 Noonlsam Rd Woodlawn MD 21207 looking someone clean restore general work old ignition engine suggest contact Don Blackburn PO Box 15143 Amarillo TX 79143 tel 1-806/6221657 Im interested hearing about others work restore fix engines can spread wordE Bean Box 5/Oldenkamp Continued page 91 away tissue wherever parts meant join trial fit CyA rudders sta bilizer wing fuselage Since locked-in machine deliberately skewed stabilizer/rudder unit give left glide turn making offset about A6 through stabilizer span No tilt used Before adding full beads CyA cer tam alignments precise can get whether eyebalhing mea suring Take time point model should almost ready flight remains drill out motor peg holea bamboo skewer makes fine tool purposeand double-check admire work Early flight testing segment clear Bean Box sound pedigree little potential Flight times climbed scant seconds well over five minutes duration model showed uncanny ability ride out light morning thermals Meanwhile some initial disappointments counteracted plane didnt climb high expected put small wad clay tail went straight under power shimmed right thrust occasionally stalled un der full winds used downthrust adjustments available locked-in airplane makes sense know well No glide tests done Since its nearly impossible predict small models behavior until its up amongst em theres little sense risking bent prop shaft before first flight Both Bean Boxes ran two strands FAL x A6 tan rubber using maximum about 1100 turns blast tube highly rec ommended nonsplash rubber lube help keep masterpiece clean Ive found STP spray product called Son Gun works really well use exclu sively Saturate motor leave out overnight Pat off excess paper towel motors ready go Great stuff Epilogue Because both prototypes eventu ally rode away strong undetected lift Im considering including dethermaliz ing hardware next batch Id have shave off some weight elsewhere model work Ill probably also separate wing positive action U FF Indoor/Tenny Continued page 83 yond List site contacts below safe check contest status phone before leaving home Connecticut Glastonbury Indoor flying Glastonbury has can celled until further notice Norwich Flying sessions Nov 17 Dec 15 1990 Jan 19 Feb 23 Mar 16 Apr 27 1991 Jerry Bock ius 48 Division St Nor wich CT 06360 tel 1203/442-8003 Florida Miami Dr John Martin 2180 Tigertail Ave Miami FL 33133 tel 1-305/8586363 Cat Record Trials Miami Youth Fair Nov 24 25 1990 Miami Dade South Continued page 184 Bill Effinger * says oeiy Piano Panen0 Sets give Ste assorted designs want have selected best classic designs oil time choose Item iraOetns part ae impottant eeClosive teati,e Curtiss HAWK PlC 94Awiegspen-68inngth 2268 sq wing aeae Fe 13 23 ciD engiens 4 channei Ric Rcoa-14 5 Curtiss FALCON O-IB/A3 114 wingspan ength 53160 sq wing area 3 35 cio engines anesi ftc Rcos13 h One-ThIrd Scale Piper Tn-Pacer PA-22 flS3lgwiogtptn23ggsq wing asa 20 30 S engines Fe oh RiC n 12 ibs 81118 nesnaii inngth 8C303t28 80 1-3 118wing spn gg~ iength wingsns- SohRIC 0 cid engines C3S2 gt5 Quarter Scale WWI SE-5A 00 wiog span sq wing area 78 22 engines gcO57 6& 5PAD C-XIII 70 span 0 sq wing ana t 3 Sf engines capable fiverit captures imagination RCOS8 0 FOKKER DR-i TRIPLANE 72 wieg span 50 wing area 78 tot 50 enginesN ocoOo 0 SOPWITH CAMEL Fi -2 1 04 wing span 5010 wing aeaeff lbs wlO Rice Fl5 wood & helsa construction ocer Shsq ft dawiogs gcOSf 1 5 Fokker 0-VIII 00 wingspan sq cui g 30-25 vid onoine h 0COS5 5 113 SCALE MONOCOUPE USA Tree 1939s ClassIc Fe 28 38 cio Engines wi8t bs tees Rid FeeS-S chantast Rll d15k v fFlt Besteni Aigeil Plepsi Removable Wing Penal 128 Wingspan 82 Overall Length 2188 sq Wing Aee One-third 5naie 032 Pull Scale Monocoupes weto built between 1027 tOSS established speed ecods its 00 HP clans Model has temocable nil-balsa wing panels Punelage hoisal plywood coostuction Engine Unit nasily rnmocabie Landing gnarls shock-mounted Fiberglass wheel pants enginn cowl taitings readily available PLAN No RC35-4 gill Ettings Peseding Member AMA NPPS Hell Pews Pricw complnt clans sub assernoly ft unralind cans lists PLEASE ADD 0208 In shipping mailing tehel Neos 1881 Pies Sets brochure efundahn f s ode WE TECHNICAL SERVICES Ro sa Beach FL 32459 176 Model Aviation GUNFIGHTERS * POSITIVE FEEL * USED BY TOP PILOTS * FOR FUTABA AIRTRONICS JR OTHERS PLEASE SPECIFY RADIO CA RES ADD 625% SALES TAX College Fun Fly Dec 16mory Dec 8 1990 Roy 1990 King Orange IndoorOMara 9120 E 7th St Meet MIAMA #3 CatTulsa OK 74112 tel 1III #4 Tampa Delta Hangar918/815-1424 Dec 29-30 1990 Iowa Kansas Oklahoma Oklahoma City Sessions National Guard Armory Oklahoma City Nov 18 Dec 16 1990 three dates 1991 determined Jim Belson 4933 NW 29th Okla homa City OK 73129 tel 1-405/946-1093 Tulsa Tulsa Glue Dobbers door contest Tulsa ArCedar Rapids Regular un sanctioned sessions Novem ber through February 34-ft ceiling Contact Paul Mdl rath 1524 48th St NE Ce dar Rapids IA 52402 tel 1319/393-4677 Topeka Unsanctioned door meets 225-ft Stone Hangar site Dec 9 1990 Jan 13 Feb 10 Mar 10 Apr 7 1991 Class AAA Cat II Kansas Indoor State Championship Whiting Field House Topeka KS April 20 1991 Jack Koeh lar 3425 SW Arrowhead Rd Topeka KS 666143485 tel 1-913/272-8439 Site contact persons CaliforniaSan Diego Howard Haupt 3860 Ecochee Ave San Diego CA 92117 ColoradoDenver Les Shaw tel 1303/499-0946 ConnecticutWilf Roger Kleinert 17 Gardiner St Darien CT 06820 tel 1-203/655-1585 GeorgiaAtlanta Area Contact John Barker tel 1-404/436-9912 IndianaIndianapolis Bob Butsch tel 1-317/841-3786 Illinois Chicago Area Don Lindley 420 Tupelo Naperville IL 60540 tel 1-708/355-9674 Kentucky Louisville Burr Stanton 9210 Darley Dr Louisville KY 40241 tel 1-502/425-1915 Maryland Goddard NAS Tom Vallee 444 Henryton So Laurel MD 20707 tel 1-301/498-0790 Massachusetts Cambridge Ray Harlan 15 Happy Hollow Rd WayAFTER YOU DID ALL THE WORK WHY LET YOUR AIRPLANE DO ALL THE FLYING INFO $300 BUILD & FLY THE miniMAX YOURSELF AWARDED Grand Champion Reserve Grand Champion Ultralight 1989 Sun-N-Fun Fly-In * Computer Designed * 3 Axis Control * Part 1 03 Ultralight Easy Construction Wood Construction TEAM INC BOX 338M BRADYVILLE TN 37026 615 765-5397 Minnesota Burnsville John OLeary 11425 Kell Circle Blooming ton MN 55437 tel 1612/888-0638 Dell Marchant 17110 24th Ave N Plymouth MN 55447 tel 1612/473-5971 Nebraska Beatrice John Pakiz 4523 Poppleton Ave Omaha NE 68106 tel 1-402/551-2964 New Jersey Union Area Fergus Collins 48 East Hazlewood Ave Rahway NJ 07067 Northern Area Don Ross 38 Churchill Rd Cresskill NJ 07626 tel 1-201/568-5272 New York Queens Bob Bender 159 Raff Ave Mineola NY 11501 tel 1-516/248-5118 NYC Dan Marek 210 West 101st St #1OF NYC 10025 tel 1-212/222-1546 Chappaqua Art Maiden tel 1Continued page 188 184 Model Aviation land MA 01778 tel 1617/358-4013 ADVANCED AERO PRODUCTS_ iirt CALl C MUTE Fll HFOMATCAI ZI SYS7E VS UVEMMWT N5O AE AOOJCTS AT IBOI 3A6-C ANNA TX TX003 14 A24-3940 AmAm WE BUILD YOUR HELl TEST YOUR HELl REPAIR YOUR HELl 322 North 7th St 6~ 1 Lehighton Pa 182353 WRITE OR CALL FOR INFORMATION LATHES NG MACHINES INE SHOP SUPPLIES j BLUE RlDGE LINI ~The Croftmons ~ Alternative P0 305 526 Y NE 3/V 25526 304 562-3536 CATALOG $100 CALL FOR PACKAGE PRICES No 676 Hiliner$4 00 RO twin-electric high-wing Sport ship designed HiLine lmp-30 thirty-watt motor Has tricycle landing gear spans 40-in No 677 Thunderbird$975 CL Stunter 20-35 power Two plan sheets drawn original 1982 Veco kit Spans 54-in No678 Bean Box$150 FF West Coast Bostonian Outdoor design Spans 16-in No 193Stiletto CL Sluof model McDonald winner 1976 1960 1982 FAt Wodd Champs$ 375 No 262Crashmeaner CL Crash-proof trainer two sizes1 5130 35/40 powerS 125 No 3101930 Fteet Biplane RC Sport Scale 35140 4-channel Wingspan 56 in. scale Two sheetsS 625 No 314Drake RC Ken Willards flying boat 3-channel 15-power Fly land wdh removable gear$ 375 No 326Taylor cub RC Don Sinus Schoolyard-Scale far 049s 2-3 channel Spans 50 inS 350 No 332Zephyr RC Small 2-channel glider hand-loanch ar tow thermal olepe soaringS 200 No 386Laaer 200 RC Sport Scale replica championship Aerebatic tier Urea 40 power 4-5 channel Two sheetsS 1075 No 4471I2A Mlaa America ftC Old-Timer hA Texaco model 049 glow 2-channelsS 650 oNo 460440 ftC Shoulder-wing sport tier 4-cycle 40-size engine 4 channelsS 650 05No 465Blue Man RC Fan-fly xpertster 40-size engines spans 52 Lightweight stroctaw5 700 No 539Similar Stone-Motion 15 ftC Tailless flying wing 15 engines spoon 60 noes 3-cb RC5 350 jNo 678Schmeizer 1-26B RC Quarter-scale Sailplaoe spans 125 Two plan sheetsS 1475 581 Bee Model Y FtC Golden Age Racer spans 72 scale 60 power Three plan sheets 75 No 588 Martsh RC Slope-Soaring Sailplane spans 41 noes 2 RC channels S 425 No 693 Taylorcraft RC Sport Scale lightylane beilds standard 2-placer clipped-wing air show 001Cr Spans either 70 58 30140 two-stroke 40148 four-stroke engine Two plao sheets documoetatioo5 1000 C 0No 598 Coronet 150 ftC-Assist Old-Timer enlarged 150% spans 72 axes 40-size 4-stroke/30-size 2-strokeS 050 e005 No 803 Sparrone Hanek P30 FF Cumpetitizo robber-power plane woo 07 Nats Spans 30 inS 225 No 807Curtlee Seagull ftC Giant Scale biplane spans 00 axes Quadra/Zenoah power Three plan shoots no docS 2400 0-No 609Tapermtng ftC Pylen Racer spans 29A Plan plan parts template sheetS 600 No 610Protobype ftC Sport biplane spans 48 ones 45/2-cycle 80/4-cycle powerS 650 0No 619Keith Rider R4 FF Scale Golden Age racer robber power spans 16 inS 300 0No 620GimleC 40 RC Sport/Pattero plane spans 60 40150 engine 2 sheets5 1100 No 623Nendereon Longeter RC Quarter-scale 1933 flinver spans 90 4-stroke 40/48 engine 3 plan sht no dxc$ 1650 E0No 624Keleher Larie RC Quarter-scale humebuib spans 69 fur 60190 4-stroke power 2 plan shoots no riscS 1100 No 826Sweepee ftC SporsIPaOero canards foxeard-swept wing spans 64 ix uses 40 puwer 2 plan sheets$ 1300 No 628Prime Cut RC Sport/Aerobatic plane spans 90 uses Quadra 35/40-size power Two plan sheetsS 1300 No 630Original Fly Baby RC Old-limor spans 72 axes 19125 2-cycle 40 4-cycle power 2 plan sheetsS 11 50 6ENo 805The Gambler FF todeer Bostonian robber-power cabin plane spans 15% inS 2 00 Z00No 806Keytmo RC Tti-gearod low-wing spurtoter far 20125 pawer spans 44 inS 575 CONo 809Slcyvolt RC Tri-geared Electric aerobatic spsrtster 05115 power spans 501/a inS 050 Cl0No 641Lit Ole Reliable ftC Old-Timer sport tiler spans 50 twA enginesS 575 No 644Beltmnca Columbia RC Schsslyard Scale 2 RC channels twA engine Wingspan 48 inS 575 No 646Winter Hawk FF Rebber-power Coupe ditiner competitino plane spans 47 inS 375 No 648Curtime OC-2 FF Sinus Outdoor Gas Flying Scslo biplane ores electric power spans 24 HiLino Mioi-6 motorS 325 No 650 47/66 RC Special RC Aerobatic sport plane 40 power spans 61 3 plan sheets5 1075 -o 0 No 651 Coneortlum RC Hood-Launch Hi-Start Glider spoon 60 in5 650 C tONo 652 Der Fledermaus RC Low-wing sport pinee 20125 power spans 55 in5 675 No 664Teanecat tfC Trainer/spertuter styled like F14 spoon 66 40161 power Four plan sheetsS 1525 No 655Aetroatar FF AMA Class NB Gas plane spans 67 uses 3251350cc powerS 090 00 oNo 857Super Squire RC Trainer 35/40 2-stroke 53 4-stroke power spans 56 inS 750 ENo 858Shurlken Streak CL Trainer axes 2-line Monoline control spans 17 power5 225 0 enNo 859Boom Box FF Wakefield Rubber competOiuo plane spans 54 in5 400 No 660Volkagalane ftC Electric-powered nporsxter 05 motor spans 56 2 plan shts5 925 0No 881Embry-Omatic PP Embryo Endurance robber-power plane spans 20 in5 2 00 C0No 862Bonktte CL Scale antique canard pusher biplane spans 42 2 ptan sheets5 1100 oNo 883 Pea Patch ftC Spsrtster spans 60 uses 401504-stroke power 2 plan sheets5 900 0No 664Stuka Stune CL Stester remocale spans 37 in5 590 CCNo 665Conecientious Objector FF Moloihill Rubber campettiso plane spans 56 Oat5 575 0No 666BlItz ftC Sporister spans 48 uses hot 28132 power 2 plan sheets5 1075 No 867AT-6 CL Semiscale profile Stunter tar 35/40 power spans 47 in5 575 No 888Stone Worm 432 FF AMA Class competition plane 09/15 power spans 54 fiat5 590 8No 669RoCo Raven ftC Sailplane uniqee twist-wing control Spans 76-in Requires eleoss mioing5 650 No 670Limleatlon CL Profile Intermediate Stunt trainer 29-40 power spans 51-in5 675 No 871Ceanna Cardinal FF ftemioder Scale sport filer power spans 39-is5 575 oenNo 672KreckerJac ftC updated version pioneer sport plane spans 74-in two plan sheets5 1375 enNo 873Caudimordax Fast Combat ship designed 25-32 power Foam wing spans 48-in5 500 0enNo 674Krumpler ftC 075-powered Electric semi-scale bi-winger spans 39-in5 575 -0 acNo 675BDP-1 FF twin-tailed sport flier Coo 02 Pee Wee engine spans 25-in5 225 en55 00Circlenumbers plans wish order best handling please notinclude re- 00 ts payment some other service plans order 93262310314326332386447 en n 460465539578581588593598 en vSO. 603607609610619620623624 626628630635636639641644 0 O0 646648650651652654655657 zzo 658659660661662663664665 o 0 C 0 E 666667668669670671672673 00 674675676677678 an price includes first Class postage US delivery Air Mail over 300 miles orders non-US addmss lease add $258 Air Mall osta e handlin Bach Ian 01 Make check money order le US funds drawn US bank Model Aviation C/O AMA 1810 Samuel Morse Reston 22090 Please allow 3 6 weeks delivery se print carefullyEnclosed $ Os ______________________________ a- NAME ________________________________________ AMA No ______________ ET CITYZIP IL 914/760-3280 1-914/769-2644 Locust Valley Fred Dippel 2 David Court Glen Cove LI NY 11542 Eel 15 16/67 1-2858 Levittown Cantiaque Rich ard Fiore 531 Secatogue Ave Farmingdale LI NY 11735 tel 1-516/249-4358 Pennsylvania Eastern Walt Eggert Jr 26 Moredon Rd Huntington Valley PA 19006 tel 1215/947-4387 Philadelphia Joe Krush 409 Warner Rd Wayne PA 19087 tel 1-215/688-3927 VirginiaNewport News Abram Van Dover 112 Tillerson Drive Newport News VA 23602 WisconsinRacine Tony Italiano tel I414/782-6256 Federation ROG times up again After offi cial flying finished USIC Jim Clem held high time just under eight minutes next day Dave got just over eight minutes month later Kibbe Dome Jim Clem posted two flights 818 outdone Andy Tagliaficos 907 next month Lakehurst Jim posted 902 835 under 85 ft 941 after landing airplane Can 10-plus far away keep things perspective Jim flying model Slightly shorter prototype shown October 90 column Andy flew much shorter model AC feedback previous column defined aerodynamic center airplane theoretical point about external aerodynamic forces act Bill McCombs suggests definition should AC incremental changes lift caused changes angle tack act stability margin next time World Champs/Ettel Continued page 96 Austrians 10154 points Germanys team occupied third place 9927 points final day saw no letup intensity round seven Jason scored 694 points Jerry 680 Steve 673 Jason outdid himself round eighth chalking up 709 26 laps Jerry re peated round seven score 680 Steve turned 671 final scores tabulated veri fied team standings remained unchanged previous day US team hold ing second place 14096 points Austria team crown 14222 points World F3E Champ Rudolf Freudenthaler Credit due dedicated support group U S team members Working team both throughout contest during months advance preparation practice Bob Sliff Team Manager Keith Finkenbiner Helper Brian Chan Helper Grant Mes singer II Assistant U responding advertisers mention read about Model AvIation 188 Model Aviation
Edition: Model Aviation - 1991/01
Page Numbers: 83, 176, 184, 188
KEN GROVES IS DEAD John Marett comes sad news Ken Groves Canada apparently suffered heart attack golfing Ken well known US fre quent entrant US Indoor meets standards craftsmanship highest strong competitor events US Cana dian fliers will miss competitor friend Ca nadians will also miss hundreds hours work per year Ken devoted promoting model aviation Danger alert Recent letters verbal warnings have together spread alarm about rubber stor age bags Several years ago discovered sulfur content normal paper envelopes will ruin motors stored envelopes time best advice seemed to use plastic selfseal zipper bags instead paper recent months has discovered chemicals exuding some plastic bags will also attack rubber motors Thanks Manny Ra doff first noting problem spreading warning Dennis Pepperel St Al bens England club identifying damaging agent plastic bags culpritsto safe change materials described below What kind damage Sulfur paper de vulcanizes softens rubber primary symp tom loss torque motors no longer de velop same torque given number turns once did Vinyl chloride report edly damaging element plastic bags exposed rubber gets brittle breaks easily un der tension Are motors damaged used anything except acid-free paper envelopes assume motors have softened little lot damage depends time storage temperature Lower temperatures reduce rate chemical reactions cold storage will have reduced possible damage wont know sure unless have previously re corded turns vs torque motor test possible vinyl chloride damage simplestretch short section rubber Se verely damaged rubber can quickly reduced pile short scraps just seconds Note rubber has aged naturally may have similar response stress Whats solution Stamp collectors store treasures glassine envelopes available stamp dealers about three six cents depending size typically sold packs 100 bulk storage use plastic oven cooking bags also expensive made nylon Bags can stand higher temperatures over 4000 F polycarbonate much expensive Oven bags typically available 10 x 16-in 16 x 20-in sizes Ive made smaller bags large oven bags using double-sided tape seal excess material smaller sections cur rently have no information possible dam age chemicals tape Peanuts & Pistachios again Bill Hannan has published number five fine series sue larger includes international con tributions price has gone up $795 plus $2 P&H Hannans Runway has new address Box 210 Magalia CA 95954 publica tions really important Indoor Scale fliers Flying opportunities following listings contest dates presently hand CDs please fill dates February 1991 beContinued page 176 Left Mini Stick revisited Tom Vallee contrasts beginner model Limited Pennyplane Both model sizes have uses tiny models suited really small sites such large living rooms Right Ornithopters have come long way Roy White shown dis playing record-setting Ornithopter flew 1518 Akron after flights 1240 1338 1406 1450 Really good times January 1991 83 Free Flight Indoor Bud Tenny Box 545 Richardson TX 75080 Left John Triolos Manhattan Cabin model shown after cleaned out some OT tflC girders tne usic model retrieved tail boom stuck microfilm model real ceiling scrubber Right Whats Scale B-36 Catapult Glider Catapult Glider has expanded clude Catapult Scale least Bedford TX experimental event proposed Jesse Shepherd sessions Bedford Boys Ranch near Ft Worth Aside being Scale model Scale Catapult models meet 1 2-in-maximum-span part stan dard Catapult Glider rules Modeling Accessories MASIER AI1ISCRIW alsa Stripper Precision stripwood easy Balsa Strip per Strips up 1/2 wide 114 thick can cut quickly accurately sheet stock vernier wheel advances 1/32 precise adjust ment stripper uses std type 11 hobby blade $495 suggested retail Razor Master Airscr mr lane Plane uses heavy-duty ndustrial blade held place two locating screws allowing cutting depth set very rigidly accurately Use rounding smoothing contours fuselages cowlings shaping edges thinning strips etc $495 sug gesfed retail Replacement blades available stock no MA2101 $149 pack 3 cDc ine S Fuel Filter fuel filter outstanding value has threaded two-part alum num body 100-mesh stainless screen removeable easy cleaning $119 suggested retail Direct Drive 05 Prop Adaptor all-aluminum prop adaptor designed 05 electric motors recommended use Master Airscrew 7x4 7x6 8x4 8x6 propellers $395 suggested retail See Hobby Dealer WINDSOR PROPELLER CO 3219 Monier Cir Rancho Cordova CA 95742 new Astroflight Cobalt electric motors photos shows large Rearwin Speed ster rubber model built Burd plans lovely thing can get plans Danny Sheelds himself lovely thing will cost $750 does include postage has couple other plans may interested Kind Burd $750 postage paid gas model Korff Professor seven foot Gassie $950 lam sure will show copies pho tos latter two ask send SASE need plans Rearwin right Send money Danny Sheelds 2318 Noonlsam Rd Woodlawn MD 21207 looking someone clean restore general work old ignition engine suggest contact Don Blackburn PO Box 15143 Amarillo TX 79143 tel 1-806/6221657 Im interested hearing about others work restore fix engines can spread wordE Bean Box 5/Oldenkamp Continued page 91 away tissue wherever parts meant join trial fit CyA rudders sta bilizer wing fuselage Since locked-in machine deliberately skewed stabilizer/rudder unit give left glide turn making offset about A6 through stabilizer span No tilt used Before adding full beads CyA cer tam alignments precise can get whether eyebalhing mea suring Take time point model should almost ready flight remains drill out motor peg holea bamboo skewer makes fine tool purposeand double-check admire work Early flight testing segment clear Bean Box sound pedigree little potential Flight times climbed scant seconds well over five minutes duration model showed uncanny ability ride out light morning thermals Meanwhile some initial disappointments counteracted plane didnt climb high expected put small wad clay tail went straight under power shimmed right thrust occasionally stalled un der full winds used downthrust adjustments available locked-in airplane makes sense know well No glide tests done Since its nearly impossible predict small models behavior until its up amongst em theres little sense risking bent prop shaft before first flight Both Bean Boxes ran two strands FAL x A6 tan rubber using maximum about 1100 turns blast tube highly rec ommended nonsplash rubber lube help keep masterpiece clean Ive found STP spray product called Son Gun works really well use exclu sively Saturate motor leave out overnight Pat off excess paper towel motors ready go Great stuff Epilogue Because both prototypes eventu ally rode away strong undetected lift Im considering including dethermaliz ing hardware next batch Id have shave off some weight elsewhere model work Ill probably also separate wing positive action U FF Indoor/Tenny Continued page 83 yond List site contacts below safe check contest status phone before leaving home Connecticut Glastonbury Indoor flying Glastonbury has can celled until further notice Norwich Flying sessions Nov 17 Dec 15 1990 Jan 19 Feb 23 Mar 16 Apr 27 1991 Jerry Bock ius 48 Division St Nor wich CT 06360 tel 1203/442-8003 Florida Miami Dr John Martin 2180 Tigertail Ave Miami FL 33133 tel 1-305/8586363 Cat Record Trials Miami Youth Fair Nov 24 25 1990 Miami Dade South Continued page 184 Bill Effinger * says oeiy Piano Panen0 Sets give Ste assorted designs want have selected best classic designs oil time choose Item iraOetns part ae impottant eeClosive teati,e Curtiss HAWK PlC 94Awiegspen-68inngth 2268 sq wing aeae Fe 13 23 ciD engiens 4 channei Ric Rcoa-14 5 Curtiss FALCON O-IB/A3 114 wingspan ength 53160 sq wing area 3 35 cio engines anesi ftc Rcos13 h One-ThIrd Scale Piper Tn-Pacer PA-22 flS3lgwiogtptn23ggsq wing asa 20 30 S engines Fe oh RiC n 12 ibs 81118 nesnaii inngth 8C303t28 80 1-3 118wing spn gg~ iength wingsns- SohRIC 0 cid engines C3S2 gt5 Quarter Scale WWI SE-5A 00 wiog span sq wing area 78 22 engines gcO57 6& 5PAD C-XIII 70 span 0 sq wing ana t 3 Sf engines capable fiverit captures imagination RCOS8 0 FOKKER DR-i TRIPLANE 72 wieg span 50 wing area 78 tot 50 enginesN ocoOo 0 SOPWITH CAMEL Fi -2 1 04 wing span 5010 wing aeaeff lbs wlO Rice Fl5 wood & helsa construction ocer Shsq ft dawiogs gcOSf 1 5 Fokker 0-VIII 00 wingspan sq cui g 30-25 vid onoine h 0COS5 5 113 SCALE MONOCOUPE USA Tree 1939s ClassIc Fe 28 38 cio Engines wi8t bs tees Rid FeeS-S chantast Rll d15k v fFlt Besteni Aigeil Plepsi Removable Wing Penal 128 Wingspan 82 Overall Length 2188 sq Wing Aee One-third 5naie 032 Pull Scale Monocoupes weto built between 1027 tOSS established speed ecods its 00 HP clans Model has temocable nil-balsa wing panels Punelage hoisal plywood coostuction Engine Unit nasily rnmocabie Landing gnarls shock-mounted Fiberglass wheel pants enginn cowl taitings readily available PLAN No RC35-4 gill Ettings Peseding Member AMA NPPS Hell Pews Pricw complnt clans sub assernoly ft unralind cans lists PLEASE ADD 0208 In shipping mailing tehel Neos 1881 Pies Sets brochure efundahn f s ode WE TECHNICAL SERVICES Ro sa Beach FL 32459 176 Model Aviation GUNFIGHTERS * POSITIVE FEEL * USED BY TOP PILOTS * FOR FUTABA AIRTRONICS JR OTHERS PLEASE SPECIFY RADIO CA RES ADD 625% SALES TAX College Fun Fly Dec 16mory Dec 8 1990 Roy 1990 King Orange IndoorOMara 9120 E 7th St Meet MIAMA #3 CatTulsa OK 74112 tel 1III #4 Tampa Delta Hangar918/815-1424 Dec 29-30 1990 Iowa Kansas Oklahoma Oklahoma City Sessions National Guard Armory Oklahoma City Nov 18 Dec 16 1990 three dates 1991 determined Jim Belson 4933 NW 29th Okla homa City OK 73129 tel 1-405/946-1093 Tulsa Tulsa Glue Dobbers door contest Tulsa ArCedar Rapids Regular un sanctioned sessions Novem ber through February 34-ft ceiling Contact Paul Mdl rath 1524 48th St NE Ce dar Rapids IA 52402 tel 1319/393-4677 Topeka Unsanctioned door meets 225-ft Stone Hangar site Dec 9 1990 Jan 13 Feb 10 Mar 10 Apr 7 1991 Class AAA Cat II Kansas Indoor State Championship Whiting Field House Topeka KS April 20 1991 Jack Koeh lar 3425 SW Arrowhead Rd Topeka KS 666143485 tel 1-913/272-8439 Site contact persons CaliforniaSan Diego Howard Haupt 3860 Ecochee Ave San Diego CA 92117 ColoradoDenver Les Shaw tel 1303/499-0946 ConnecticutWilf Roger Kleinert 17 Gardiner St Darien CT 06820 tel 1-203/655-1585 GeorgiaAtlanta Area Contact John Barker tel 1-404/436-9912 IndianaIndianapolis Bob Butsch tel 1-317/841-3786 Illinois Chicago Area Don Lindley 420 Tupelo Naperville IL 60540 tel 1-708/355-9674 Kentucky Louisville Burr Stanton 9210 Darley Dr Louisville KY 40241 tel 1-502/425-1915 Maryland Goddard NAS Tom Vallee 444 Henryton So Laurel MD 20707 tel 1-301/498-0790 Massachusetts Cambridge Ray Harlan 15 Happy Hollow Rd WayAFTER YOU DID ALL THE WORK WHY LET YOUR AIRPLANE DO ALL THE FLYING INFO $300 BUILD & FLY THE miniMAX YOURSELF AWARDED Grand Champion Reserve Grand Champion Ultralight 1989 Sun-N-Fun Fly-In * Computer Designed * 3 Axis Control * Part 1 03 Ultralight Easy Construction Wood Construction TEAM INC BOX 338M BRADYVILLE TN 37026 615 765-5397 Minnesota Burnsville John OLeary 11425 Kell Circle Blooming ton MN 55437 tel 1612/888-0638 Dell Marchant 17110 24th Ave N Plymouth MN 55447 tel 1612/473-5971 Nebraska Beatrice John Pakiz 4523 Poppleton Ave Omaha NE 68106 tel 1-402/551-2964 New Jersey Union Area Fergus Collins 48 East Hazlewood Ave Rahway NJ 07067 Northern Area Don Ross 38 Churchill Rd Cresskill NJ 07626 tel 1-201/568-5272 New York Queens Bob Bender 159 Raff Ave Mineola NY 11501 tel 1-516/248-5118 NYC Dan Marek 210 West 101st St #1OF NYC 10025 tel 1-212/222-1546 Chappaqua Art Maiden tel 1Continued page 188 184 Model Aviation land MA 01778 tel 1617/358-4013 ADVANCED AERO PRODUCTS_ iirt CALl C MUTE Fll HFOMATCAI ZI SYS7E VS UVEMMWT N5O AE AOOJCTS AT IBOI 3A6-C ANNA TX TX003 14 A24-3940 AmAm WE BUILD YOUR HELl TEST YOUR HELl REPAIR YOUR HELl 322 North 7th St 6~ 1 Lehighton Pa 182353 WRITE OR CALL FOR INFORMATION LATHES NG MACHINES INE SHOP SUPPLIES j BLUE RlDGE LINI ~The Croftmons ~ Alternative P0 305 526 Y NE 3/V 25526 304 562-3536 CATALOG $100 CALL FOR PACKAGE PRICES No 676 Hiliner$4 00 RO twin-electric high-wing Sport ship designed HiLine lmp-30 thirty-watt motor Has tricycle landing gear spans 40-in No 677 Thunderbird$975 CL Stunter 20-35 power Two plan sheets drawn original 1982 Veco kit Spans 54-in No678 Bean Box$150 FF West Coast Bostonian Outdoor design Spans 16-in No 193Stiletto CL Sluof model McDonald winner 1976 1960 1982 FAt Wodd Champs$ 375 No 262Crashmeaner CL Crash-proof trainer two sizes1 5130 35/40 powerS 125 No 3101930 Fteet Biplane RC Sport Scale 35140 4-channel Wingspan 56 in. scale Two sheetsS 625 No 314Drake RC Ken Willards flying boat 3-channel 15-power Fly land wdh removable gear$ 375 No 326Taylor cub RC Don Sinus Schoolyard-Scale far 049s 2-3 channel Spans 50 inS 350 No 332Zephyr RC Small 2-channel glider hand-loanch ar tow thermal olepe soaringS 200 No 386Laaer 200 RC Sport Scale replica championship Aerebatic tier Urea 40 power 4-5 channel Two sheetsS 1075 No 4471I2A Mlaa America ftC Old-Timer hA Texaco model 049 glow 2-channelsS 650 oNo 460440 ftC Shoulder-wing sport tier 4-cycle 40-size engine 4 channelsS 650 05No 465Blue Man RC Fan-fly xpertster 40-size engines spans 52 Lightweight stroctaw5 700 No 539Similar Stone-Motion 15 ftC Tailless flying wing 15 engines spoon 60 noes 3-cb RC5 350 jNo 678Schmeizer 1-26B RC Quarter-scale Sailplaoe spans 125 Two plan sheetsS 1475 581 Bee Model Y FtC Golden Age Racer spans 72 scale 60 power Three plan sheets 75 No 588 Martsh RC Slope-Soaring Sailplane spans 41 noes 2 RC channels S 425 No 693 Taylorcraft RC Sport Scale lightylane beilds standard 2-placer clipped-wing air show 001Cr Spans either 70 58 30140 two-stroke 40148 four-stroke engine Two plao sheets documoetatioo5 1000 C 0No 598 Coronet 150 ftC-Assist Old-Timer enlarged 150% spans 72 axes 40-size 4-stroke/30-size 2-strokeS 050 e005 No 803 Sparrone Hanek P30 FF Cumpetitizo robber-power plane woo 07 Nats Spans 30 inS 225 No 807Curtlee Seagull ftC Giant Scale biplane spans 00 axes Quadra/Zenoah power Three plan shoots no docS 2400 0-No 609Tapermtng ftC Pylen Racer spans 29A Plan plan parts template sheetS 600 No 610Protobype ftC Sport biplane spans 48 ones 45/2-cycle 80/4-cycle powerS 650 0No 619Keith Rider R4 FF Scale Golden Age racer robber power spans 16 inS 300 0No 620GimleC 40 RC Sport/Pattero plane spans 60 40150 engine 2 sheets5 1100 No 623Nendereon Longeter RC Quarter-scale 1933 flinver spans 90 4-stroke 40/48 engine 3 plan sht no dxc$ 1650 E0No 624Keleher Larie RC Quarter-scale humebuib spans 69 fur 60190 4-stroke power 2 plan shoots no riscS 1100 No 826Sweepee ftC SporsIPaOero canards foxeard-swept wing spans 64 ix uses 40 puwer 2 plan sheets$ 1300 No 628Prime Cut RC Sport/Aerobatic plane spans 90 uses Quadra 35/40-size power Two plan sheetsS 1300 No 630Original Fly Baby RC Old-limor spans 72 axes 19125 2-cycle 40 4-cycle power 2 plan sheetsS 11 50 6ENo 805The Gambler FF todeer Bostonian robber-power cabin plane spans 15% inS 2 00 Z00No 806Keytmo RC Tti-gearod low-wing spurtoter far 20125 pawer spans 44 inS 575 CONo 809Slcyvolt RC Tri-geared Electric aerobatic spsrtster 05115 power spans 501/a inS 050 Cl0No 641Lit Ole Reliable ftC Old-Timer sport tiler spans 50 twA enginesS 575 No 644Beltmnca Columbia RC Schsslyard Scale 2 RC channels twA engine Wingspan 48 inS 575 No 646Winter Hawk FF Rebber-power Coupe ditiner competitino plane spans 47 inS 375 No 648Curtime OC-2 FF Sinus Outdoor Gas Flying Scslo biplane ores electric power spans 24 HiLino Mioi-6 motorS 325 No 650 47/66 RC Special RC Aerobatic sport plane 40 power spans 61 3 plan sheets5 1075 -o 0 No 651 Coneortlum RC Hood-Launch Hi-Start Glider spoon 60 in5 650 C tONo 652 Der Fledermaus RC Low-wing sport pinee 20125 power spans 55 in5 675 No 664Teanecat tfC Trainer/spertuter styled like F14 spoon 66 40161 power Four plan sheetsS 1525 No 655Aetroatar FF AMA Class NB Gas plane spans 67 uses 3251350cc powerS 090 00 oNo 857Super Squire RC Trainer 35/40 2-stroke 53 4-stroke power spans 56 inS 750 ENo 858Shurlken Streak CL Trainer axes 2-line Monoline control spans 17 power5 225 0 enNo 859Boom Box FF Wakefield Rubber competOiuo plane spans 54 in5 400 No 660Volkagalane ftC Electric-powered nporsxter 05 motor spans 56 2 plan shts5 925 0No 881Embry-Omatic PP Embryo Endurance robber-power plane spans 20 in5 2 00 C0No 862Bonktte CL Scale antique canard pusher biplane spans 42 2 ptan sheets5 1100 oNo 883 Pea Patch ftC Spsrtster spans 60 uses 401504-stroke power 2 plan sheets5 900 0No 664Stuka Stune CL Stester remocale spans 37 in5 590 CCNo 665Conecientious Objector FF Moloihill Rubber campettiso plane spans 56 Oat5 575 0No 666BlItz ftC Sporister spans 48 uses hot 28132 power 2 plan sheets5 1075 No 867AT-6 CL Semiscale profile Stunter tar 35/40 power spans 47 in5 575 No 888Stone Worm 432 FF AMA Class competition plane 09/15 power spans 54 fiat5 590 8No 669RoCo Raven ftC Sailplane uniqee twist-wing control Spans 76-in Requires eleoss mioing5 650 No 670Limleatlon CL Profile Intermediate Stunt trainer 29-40 power spans 51-in5 675 No 871Ceanna Cardinal FF ftemioder Scale sport filer power spans 39-is5 575 oenNo 672KreckerJac ftC updated version pioneer sport plane spans 74-in two plan sheets5 1375 enNo 873Caudimordax Fast Combat ship designed 25-32 power Foam wing spans 48-in5 500 0enNo 674Krumpler ftC 075-powered Electric semi-scale bi-winger spans 39-in5 575 -0 acNo 675BDP-1 FF twin-tailed sport flier Coo 02 Pee Wee engine spans 25-in5 225 en55 00Circlenumbers plans wish order best handling please notinclude re- 00 ts payment some other service plans order 93262310314326332386447 en n 460465539578581588593598 en vSO. 603607609610619620623624 626628630635636639641644 0 O0 646648650651652654655657 zzo 658659660661662663664665 o 0 C 0 E 666667668669670671672673 00 674675676677678 an price includes first Class postage US delivery Air Mail over 300 miles orders non-US addmss lease add $258 Air Mall osta e handlin Bach Ian 01 Make check money order le US funds drawn US bank Model Aviation C/O AMA 1810 Samuel Morse Reston 22090 Please allow 3 6 weeks delivery se print carefullyEnclosed $ Os ______________________________ a- NAME ________________________________________ AMA No ______________ ET CITYZIP IL 914/760-3280 1-914/769-2644 Locust Valley Fred Dippel 2 David Court Glen Cove LI NY 11542 Eel 15 16/67 1-2858 Levittown Cantiaque Rich ard Fiore 531 Secatogue Ave Farmingdale LI NY 11735 tel 1-516/249-4358 Pennsylvania Eastern Walt Eggert Jr 26 Moredon Rd Huntington Valley PA 19006 tel 1215/947-4387 Philadelphia Joe Krush 409 Warner Rd Wayne PA 19087 tel 1-215/688-3927 VirginiaNewport News Abram Van Dover 112 Tillerson Drive Newport News VA 23602 WisconsinRacine Tony Italiano tel I414/782-6256 Federation ROG times up again After offi cial flying finished USIC Jim Clem held high time just under eight minutes next day Dave got just over eight minutes month later Kibbe Dome Jim Clem posted two flights 818 outdone Andy Tagliaficos 907 next month Lakehurst Jim posted 902 835 under 85 ft 941 after landing airplane Can 10-plus far away keep things perspective Jim flying model Slightly shorter prototype shown October 90 column Andy flew much shorter model AC feedback previous column defined aerodynamic center airplane theoretical point about external aerodynamic forces act Bill McCombs suggests definition should AC incremental changes lift caused changes angle tack act stability margin next time World Champs/Ettel Continued page 96 Austrians 10154 points Germanys team occupied third place 9927 points final day saw no letup intensity round seven Jason scored 694 points Jerry 680 Steve 673 Jason outdid himself round eighth chalking up 709 26 laps Jerry re peated round seven score 680 Steve turned 671 final scores tabulated veri fied team standings remained unchanged previous day US team hold ing second place 14096 points Austria team crown 14222 points World F3E Champ Rudolf Freudenthaler Credit due dedicated support group U S team members Working team both throughout contest during months advance preparation practice Bob Sliff Team Manager Keith Finkenbiner Helper Brian Chan Helper Grant Mes singer II Assistant U responding advertisers mention read about Model AvIation 188 Model Aviation
Edition: Model Aviation - 1991/01
Page Numbers: 83, 176, 184, 188
KEN GROVES IS DEAD John Marett comes sad news Ken Groves Canada apparently suffered heart attack golfing Ken well known US fre quent entrant US Indoor meets standards craftsmanship highest strong competitor events US Cana dian fliers will miss competitor friend Ca nadians will also miss hundreds hours work per year Ken devoted promoting model aviation Danger alert Recent letters verbal warnings have together spread alarm about rubber stor age bags Several years ago discovered sulfur content normal paper envelopes will ruin motors stored envelopes time best advice seemed to use plastic selfseal zipper bags instead paper recent months has discovered chemicals exuding some plastic bags will also attack rubber motors Thanks Manny Ra doff first noting problem spreading warning Dennis Pepperel St Al bens England club identifying damaging agent plastic bags culpritsto safe change materials described below What kind damage Sulfur paper de vulcanizes softens rubber primary symp tom loss torque motors no longer de velop same torque given number turns once did Vinyl chloride report edly damaging element plastic bags exposed rubber gets brittle breaks easily un der tension Are motors damaged used anything except acid-free paper envelopes assume motors have softened little lot damage depends time storage temperature Lower temperatures reduce rate chemical reactions cold storage will have reduced possible damage wont know sure unless have previously re corded turns vs torque motor test possible vinyl chloride damage simplestretch short section rubber Se verely damaged rubber can quickly reduced pile short scraps just seconds Note rubber has aged naturally may have similar response stress Whats solution Stamp collectors store treasures glassine envelopes available stamp dealers about three six cents depending size typically sold packs 100 bulk storage use plastic oven cooking bags also expensive made nylon Bags can stand higher temperatures over 4000 F polycarbonate much expensive Oven bags typically available 10 x 16-in 16 x 20-in sizes Ive made smaller bags large oven bags using double-sided tape seal excess material smaller sections cur rently have no information possible dam age chemicals tape Peanuts & Pistachios again Bill Hannan has published number five fine series sue larger includes international con tributions price has gone up $795 plus $2 P&H Hannans Runway has new address Box 210 Magalia CA 95954 publica tions really important Indoor Scale fliers Flying opportunities following listings contest dates presently hand CDs please fill dates February 1991 beContinued page 176 Left Mini Stick revisited Tom Vallee contrasts beginner model Limited Pennyplane Both model sizes have uses tiny models suited really small sites such large living rooms Right Ornithopters have come long way Roy White shown dis playing record-setting Ornithopter flew 1518 Akron after flights 1240 1338 1406 1450 Really good times January 1991 83 Free Flight Indoor Bud Tenny Box 545 Richardson TX 75080 Left John Triolos Manhattan Cabin model shown after cleaned out some OT tflC girders tne usic model retrieved tail boom stuck microfilm model real ceiling scrubber Right Whats Scale B-36 Catapult Glider Catapult Glider has expanded clude Catapult Scale least Bedford TX experimental event proposed Jesse Shepherd sessions Bedford Boys Ranch near Ft Worth Aside being Scale model Scale Catapult models meet 1 2-in-maximum-span part stan dard Catapult Glider rules Modeling Accessories MASIER AI1ISCRIW alsa Stripper Precision stripwood easy Balsa Strip per Strips up 1/2 wide 114 thick can cut quickly accurately sheet stock vernier wheel advances 1/32 precise adjust ment stripper uses std type 11 hobby blade $495 suggested retail Razor Master Airscr mr lane Plane uses heavy-duty ndustrial blade held place two locating screws allowing cutting depth set very rigidly accurately Use rounding smoothing contours fuselages cowlings shaping edges thinning strips etc $495 sug gesfed retail Replacement blades available stock no MA2101 $149 pack 3 cDc ine S Fuel Filter fuel filter outstanding value has threaded two-part alum num body 100-mesh stainless screen removeable easy cleaning $119 suggested retail Direct Drive 05 Prop Adaptor all-aluminum prop adaptor designed 05 electric motors recommended use Master Airscrew 7x4 7x6 8x4 8x6 propellers $395 suggested retail See Hobby Dealer WINDSOR PROPELLER CO 3219 Monier Cir Rancho Cordova CA 95742 new Astroflight Cobalt electric motors photos shows large Rearwin Speed ster rubber model built Burd plans lovely thing can get plans Danny Sheelds himself lovely thing will cost $750 does include postage has couple other plans may interested Kind Burd $750 postage paid gas model Korff Professor seven foot Gassie $950 lam sure will show copies pho tos latter two ask send SASE need plans Rearwin right Send money Danny Sheelds 2318 Noonlsam Rd Woodlawn MD 21207 looking someone clean restore general work old ignition engine suggest contact Don Blackburn PO Box 15143 Amarillo TX 79143 tel 1-806/6221657 Im interested hearing about others work restore fix engines can spread wordE Bean Box 5/Oldenkamp Continued page 91 away tissue wherever parts meant join trial fit CyA rudders sta bilizer wing fuselage Since locked-in machine deliberately skewed stabilizer/rudder unit give left glide turn making offset about A6 through stabilizer span No tilt used Before adding full beads CyA cer tam alignments precise can get whether eyebalhing mea suring Take time point model should almost ready flight remains drill out motor peg holea bamboo skewer makes fine tool purposeand double-check admire work Early flight testing segment clear Bean Box sound pedigree little potential Flight times climbed scant seconds well over five minutes duration model showed uncanny ability ride out light morning thermals Meanwhile some initial disappointments counteracted plane didnt climb high expected put small wad clay tail went straight under power shimmed right thrust occasionally stalled un der full winds used downthrust adjustments available locked-in airplane makes sense know well No glide tests done Since its nearly impossible predict small models behavior until its up amongst em theres little sense risking bent prop shaft before first flight Both Bean Boxes ran two strands FAL x A6 tan rubber using maximum about 1100 turns blast tube highly rec ommended nonsplash rubber lube help keep masterpiece clean Ive found STP spray product called Son Gun works really well use exclu sively Saturate motor leave out overnight Pat off excess paper towel motors ready go Great stuff Epilogue Because both prototypes eventu ally rode away strong undetected lift Im considering including dethermaliz ing hardware next batch Id have shave off some weight elsewhere model work Ill probably also separate wing positive action U FF Indoor/Tenny Continued page 83 yond List site contacts below safe check contest status phone before leaving home Connecticut Glastonbury Indoor flying Glastonbury has can celled until further notice Norwich Flying sessions Nov 17 Dec 15 1990 Jan 19 Feb 23 Mar 16 Apr 27 1991 Jerry Bock ius 48 Division St Nor wich CT 06360 tel 1203/442-8003 Florida Miami Dr John Martin 2180 Tigertail Ave Miami FL 33133 tel 1-305/8586363 Cat Record Trials Miami Youth Fair Nov 24 25 1990 Miami Dade South Continued page 184 Bill Effinger * says oeiy Piano Panen0 Sets give Ste assorted designs want have selected best classic designs oil time choose Item iraOetns part ae impottant eeClosive teati,e Curtiss HAWK PlC 94Awiegspen-68inngth 2268 sq wing aeae Fe 13 23 ciD engiens 4 channei Ric Rcoa-14 5 Curtiss FALCON O-IB/A3 114 wingspan ength 53160 sq wing area 3 35 cio engines anesi ftc Rcos13 h One-ThIrd Scale Piper Tn-Pacer PA-22 flS3lgwiogtptn23ggsq wing asa 20 30 S engines Fe oh RiC n 12 ibs 81118 nesnaii inngth 8C303t28 80 1-3 118wing spn gg~ iength wingsns- SohRIC 0 cid engines C3S2 gt5 Quarter Scale WWI SE-5A 00 wiog span sq wing area 78 22 engines gcO57 6& 5PAD C-XIII 70 span 0 sq wing ana t 3 Sf engines capable fiverit captures imagination RCOS8 0 FOKKER DR-i TRIPLANE 72 wieg span 50 wing area 78 tot 50 enginesN ocoOo 0 SOPWITH CAMEL Fi -2 1 04 wing span 5010 wing aeaeff lbs wlO Rice Fl5 wood & helsa construction ocer Shsq ft dawiogs gcOSf 1 5 Fokker 0-VIII 00 wingspan sq cui g 30-25 vid onoine h 0COS5 5 113 SCALE MONOCOUPE USA Tree 1939s ClassIc Fe 28 38 cio Engines wi8t bs tees Rid FeeS-S chantast Rll d15k v fFlt Besteni Aigeil Plepsi Removable Wing Penal 128 Wingspan 82 Overall Length 2188 sq Wing Aee One-third 5naie 032 Pull Scale Monocoupes weto built between 1027 tOSS established speed ecods its 00 HP clans Model has temocable nil-balsa wing panels Punelage hoisal plywood coostuction Engine Unit nasily rnmocabie Landing gnarls shock-mounted Fiberglass wheel pants enginn cowl taitings readily available PLAN No RC35-4 gill Ettings Peseding Member AMA NPPS Hell Pews Pricw complnt clans sub assernoly ft unralind cans lists PLEASE ADD 0208 In shipping mailing tehel Neos 1881 Pies Sets brochure efundahn f s ode WE TECHNICAL SERVICES Ro sa Beach FL 32459 176 Model Aviation GUNFIGHTERS * POSITIVE FEEL * USED BY TOP PILOTS * FOR FUTABA AIRTRONICS JR OTHERS PLEASE SPECIFY RADIO CA RES ADD 625% SALES TAX College Fun Fly Dec 16mory Dec 8 1990 Roy 1990 King Orange IndoorOMara 9120 E 7th St Meet MIAMA #3 CatTulsa OK 74112 tel 1III #4 Tampa Delta Hangar918/815-1424 Dec 29-30 1990 Iowa Kansas Oklahoma Oklahoma City Sessions National Guard Armory Oklahoma City Nov 18 Dec 16 1990 three dates 1991 determined Jim Belson 4933 NW 29th Okla homa City OK 73129 tel 1-405/946-1093 Tulsa Tulsa Glue Dobbers door contest Tulsa ArCedar Rapids Regular un sanctioned sessions Novem ber through February 34-ft ceiling Contact Paul Mdl rath 1524 48th St NE Ce dar Rapids IA 52402 tel 1319/393-4677 Topeka Unsanctioned door meets 225-ft Stone Hangar site Dec 9 1990 Jan 13 Feb 10 Mar 10 Apr 7 1991 Class AAA Cat II Kansas Indoor State Championship Whiting Field House Topeka KS April 20 1991 Jack Koeh lar 3425 SW Arrowhead Rd Topeka KS 666143485 tel 1-913/272-8439 Site contact persons CaliforniaSan Diego Howard Haupt 3860 Ecochee Ave San Diego CA 92117 ColoradoDenver Les Shaw tel 1303/499-0946 ConnecticutWilf Roger Kleinert 17 Gardiner St Darien CT 06820 tel 1-203/655-1585 GeorgiaAtlanta Area Contact John Barker tel 1-404/436-9912 IndianaIndianapolis Bob Butsch tel 1-317/841-3786 Illinois Chicago Area Don Lindley 420 Tupelo Naperville IL 60540 tel 1-708/355-9674 Kentucky Louisville Burr Stanton 9210 Darley Dr Louisville KY 40241 tel 1-502/425-1915 Maryland Goddard NAS Tom Vallee 444 Henryton So Laurel MD 20707 tel 1-301/498-0790 Massachusetts Cambridge Ray Harlan 15 Happy Hollow Rd WayAFTER YOU DID ALL THE WORK WHY LET YOUR AIRPLANE DO ALL THE FLYING INFO $300 BUILD & FLY THE miniMAX YOURSELF AWARDED Grand Champion Reserve Grand Champion Ultralight 1989 Sun-N-Fun Fly-In * Computer Designed * 3 Axis Control * Part 1 03 Ultralight Easy Construction Wood Construction TEAM INC BOX 338M BRADYVILLE TN 37026 615 765-5397 Minnesota Burnsville John OLeary 11425 Kell Circle Blooming ton MN 55437 tel 1612/888-0638 Dell Marchant 17110 24th Ave N Plymouth MN 55447 tel 1612/473-5971 Nebraska Beatrice John Pakiz 4523 Poppleton Ave Omaha NE 68106 tel 1-402/551-2964 New Jersey Union Area Fergus Collins 48 East Hazlewood Ave Rahway NJ 07067 Northern Area Don Ross 38 Churchill Rd Cresskill NJ 07626 tel 1-201/568-5272 New York Queens Bob Bender 159 Raff Ave Mineola NY 11501 tel 1-516/248-5118 NYC Dan Marek 210 West 101st St #1OF NYC 10025 tel 1-212/222-1546 Chappaqua Art Maiden tel 1Continued page 188 184 Model Aviation land MA 01778 tel 1617/358-4013 ADVANCED AERO PRODUCTS_ iirt CALl C MUTE Fll HFOMATCAI ZI SYS7E VS UVEMMWT N5O AE AOOJCTS AT IBOI 3A6-C ANNA TX TX003 14 A24-3940 AmAm WE BUILD YOUR HELl TEST YOUR HELl REPAIR YOUR HELl 322 North 7th St 6~ 1 Lehighton Pa 182353 WRITE OR CALL FOR INFORMATION LATHES NG MACHINES INE SHOP SUPPLIES j BLUE RlDGE LINI ~The Croftmons ~ Alternative P0 305 526 Y NE 3/V 25526 304 562-3536 CATALOG $100 CALL FOR PACKAGE PRICES No 676 Hiliner$4 00 RO twin-electric high-wing Sport ship designed HiLine lmp-30 thirty-watt motor Has tricycle landing gear spans 40-in No 677 Thunderbird$975 CL Stunter 20-35 power Two plan sheets drawn original 1982 Veco kit Spans 54-in No678 Bean Box$150 FF West Coast Bostonian Outdoor design Spans 16-in No 193Stiletto CL Sluof model McDonald winner 1976 1960 1982 FAt Wodd Champs$ 375 No 262Crashmeaner CL Crash-proof trainer two sizes1 5130 35/40 powerS 125 No 3101930 Fteet Biplane RC Sport Scale 35140 4-channel Wingspan 56 in. scale Two sheetsS 625 No 314Drake RC Ken Willards flying boat 3-channel 15-power Fly land wdh removable gear$ 375 No 326Taylor cub RC Don Sinus Schoolyard-Scale far 049s 2-3 channel Spans 50 inS 350 No 332Zephyr RC Small 2-channel glider hand-loanch ar tow thermal olepe soaringS 200 No 386Laaer 200 RC Sport Scale replica championship Aerebatic tier Urea 40 power 4-5 channel Two sheetsS 1075 No 4471I2A Mlaa America ftC Old-Timer hA Texaco model 049 glow 2-channelsS 650 oNo 460440 ftC Shoulder-wing sport tier 4-cycle 40-size engine 4 channelsS 650 05No 465Blue Man RC Fan-fly xpertster 40-size engines spans 52 Lightweight stroctaw5 700 No 539Similar Stone-Motion 15 ftC Tailless flying wing 15 engines spoon 60 noes 3-cb RC5 350 jNo 678Schmeizer 1-26B RC Quarter-scale Sailplaoe spans 125 Two plan sheetsS 1475 581 Bee Model Y FtC Golden Age Racer spans 72 scale 60 power Three plan sheets 75 No 588 Martsh RC Slope-Soaring Sailplane spans 41 noes 2 RC channels S 425 No 693 Taylorcraft RC Sport Scale lightylane beilds standard 2-placer clipped-wing air show 001Cr Spans either 70 58 30140 two-stroke 40148 four-stroke engine Two plao sheets documoetatioo5 1000 C 0No 598 Coronet 150 ftC-Assist Old-Timer enlarged 150% spans 72 axes 40-size 4-stroke/30-size 2-strokeS 050 e005 No 803 Sparrone Hanek P30 FF Cumpetitizo robber-power plane woo 07 Nats Spans 30 inS 225 No 807Curtlee Seagull ftC Giant Scale biplane spans 00 axes Quadra/Zenoah power Three plan shoots no docS 2400 0-No 609Tapermtng ftC Pylen Racer spans 29A Plan plan parts template sheetS 600 No 610Protobype ftC Sport biplane spans 48 ones 45/2-cycle 80/4-cycle powerS 650 0No 619Keith Rider R4 FF Scale Golden Age racer robber power spans 16 inS 300 0No 620GimleC 40 RC Sport/Pattero plane spans 60 40150 engine 2 sheets5 1100 No 623Nendereon Longeter RC Quarter-scale 1933 flinver spans 90 4-stroke 40/48 engine 3 plan sht no dxc$ 1650 E0No 624Keleher Larie RC Quarter-scale humebuib spans 69 fur 60190 4-stroke power 2 plan shoots no riscS 1100 No 826Sweepee ftC SporsIPaOero canards foxeard-swept wing spans 64 ix uses 40 puwer 2 plan sheets$ 1300 No 628Prime Cut RC Sport/Aerobatic plane spans 90 uses Quadra 35/40-size power Two plan sheetsS 1300 No 630Original Fly Baby RC Old-limor spans 72 axes 19125 2-cycle 40 4-cycle power 2 plan sheetsS 11 50 6ENo 805The Gambler FF todeer Bostonian robber-power cabin plane spans 15% inS 2 00 Z00No 806Keytmo RC Tti-gearod low-wing spurtoter far 20125 pawer spans 44 inS 575 CONo 809Slcyvolt RC Tri-geared Electric aerobatic spsrtster 05115 power spans 501/a inS 050 Cl0No 641Lit Ole Reliable ftC Old-Timer sport tiler spans 50 twA enginesS 575 No 644Beltmnca Columbia RC Schsslyard Scale 2 RC channels twA engine Wingspan 48 inS 575 No 646Winter Hawk FF Rebber-power Coupe ditiner competitino plane spans 47 inS 375 No 648Curtime OC-2 FF Sinus Outdoor Gas Flying Scslo biplane ores electric power spans 24 HiLino Mioi-6 motorS 325 No 650 47/66 RC Special RC Aerobatic sport plane 40 power spans 61 3 plan sheets5 1075 -o 0 No 651 Coneortlum RC Hood-Launch Hi-Start Glider spoon 60 in5 650 C tONo 652 Der Fledermaus RC Low-wing sport pinee 20125 power spans 55 in5 675 No 664Teanecat tfC Trainer/spertuter styled like F14 spoon 66 40161 power Four plan sheetsS 1525 No 655Aetroatar FF AMA Class NB Gas plane spans 67 uses 3251350cc powerS 090 00 oNo 857Super Squire RC Trainer 35/40 2-stroke 53 4-stroke power spans 56 inS 750 ENo 858Shurlken Streak CL Trainer axes 2-line Monoline control spans 17 power5 225 0 enNo 859Boom Box FF Wakefield Rubber competOiuo plane spans 54 in5 400 No 660Volkagalane ftC Electric-powered nporsxter 05 motor spans 56 2 plan shts5 925 0No 881Embry-Omatic PP Embryo Endurance robber-power plane spans 20 in5 2 00 C0No 862Bonktte CL Scale antique canard pusher biplane spans 42 2 ptan sheets5 1100 oNo 883 Pea Patch ftC Spsrtster spans 60 uses 401504-stroke power 2 plan sheets5 900 0No 664Stuka Stune CL Stester remocale spans 37 in5 590 CCNo 665Conecientious Objector FF Moloihill Rubber campettiso plane spans 56 Oat5 575 0No 666BlItz ftC Sporister spans 48 uses hot 28132 power 2 plan sheets5 1075 No 867AT-6 CL Semiscale profile Stunter tar 35/40 power spans 47 in5 575 No 888Stone Worm 432 FF AMA Class competition plane 09/15 power spans 54 fiat5 590 8No 669RoCo Raven ftC Sailplane uniqee twist-wing control Spans 76-in Requires eleoss mioing5 650 No 670Limleatlon CL Profile Intermediate Stunt trainer 29-40 power spans 51-in5 675 No 871Ceanna Cardinal FF ftemioder Scale sport filer power spans 39-is5 575 oenNo 672KreckerJac ftC updated version pioneer sport plane spans 74-in two plan sheets5 1375 enNo 873Caudimordax Fast Combat ship designed 25-32 power Foam wing spans 48-in5 500 0enNo 674Krumpler ftC 075-powered Electric semi-scale bi-winger spans 39-in5 575 -0 acNo 675BDP-1 FF twin-tailed sport flier Coo 02 Pee Wee engine spans 25-in5 225 en55 00Circlenumbers plans wish order best handling please notinclude re- 00 ts payment some other service plans order 93262310314326332386447 en n 460465539578581588593598 en vSO. 603607609610619620623624 626628630635636639641644 0 O0 646648650651652654655657 zzo 658659660661662663664665 o 0 C 0 E 666667668669670671672673 00 674675676677678 an price includes first Class postage US delivery Air Mail over 300 miles orders non-US addmss lease add $258 Air Mall osta e handlin Bach Ian 01 Make check money order le US funds drawn US bank Model Aviation C/O AMA 1810 Samuel Morse Reston 22090 Please allow 3 6 weeks delivery se print carefullyEnclosed $ Os ______________________________ a- NAME ________________________________________ AMA No ______________ ET CITYZIP IL 914/760-3280 1-914/769-2644 Locust Valley Fred Dippel 2 David Court Glen Cove LI NY 11542 Eel 15 16/67 1-2858 Levittown Cantiaque Rich ard Fiore 531 Secatogue Ave Farmingdale LI NY 11735 tel 1-516/249-4358 Pennsylvania Eastern Walt Eggert Jr 26 Moredon Rd Huntington Valley PA 19006 tel 1215/947-4387 Philadelphia Joe Krush 409 Warner Rd Wayne PA 19087 tel 1-215/688-3927 VirginiaNewport News Abram Van Dover 112 Tillerson Drive Newport News VA 23602 WisconsinRacine Tony Italiano tel I414/782-6256 Federation ROG times up again After offi cial flying finished USIC Jim Clem held high time just under eight minutes next day Dave got just over eight minutes month later Kibbe Dome Jim Clem posted two flights 818 outdone Andy Tagliaficos 907 next month Lakehurst Jim posted 902 835 under 85 ft 941 after landing airplane Can 10-plus far away keep things perspective Jim flying model Slightly shorter prototype shown October 90 column Andy flew much shorter model AC feedback previous column defined aerodynamic center airplane theoretical point about external aerodynamic forces act Bill McCombs suggests definition should AC incremental changes lift caused changes angle tack act stability margin next time World Champs/Ettel Continued page 96 Austrians 10154 points Germanys team occupied third place 9927 points final day saw no letup intensity round seven Jason scored 694 points Jerry 680 Steve 673 Jason outdid himself round eighth chalking up 709 26 laps Jerry re peated round seven score 680 Steve turned 671 final scores tabulated veri fied team standings remained unchanged previous day US team hold ing second place 14096 points Austria team crown 14222 points World F3E Champ Rudolf Freudenthaler Credit due dedicated support group U S team members Working team both throughout contest during months advance preparation practice Bob Sliff Team Manager Keith Finkenbiner Helper Brian Chan Helper Grant Mes singer II Assistant U responding advertisers mention read about Model AvIation 188 Model Aviation
Edition: Model Aviation - 1991/01
Page Numbers: 83, 176, 184, 188
KEN GROVES IS DEAD John Marett comes sad news Ken Groves Canada apparently suffered heart attack golfing Ken well known US fre quent entrant US Indoor meets standards craftsmanship highest strong competitor events US Cana dian fliers will miss competitor friend Ca nadians will also miss hundreds hours work per year Ken devoted promoting model aviation Danger alert Recent letters verbal warnings have together spread alarm about rubber stor age bags Several years ago discovered sulfur content normal paper envelopes will ruin motors stored envelopes time best advice seemed to use plastic selfseal zipper bags instead paper recent months has discovered chemicals exuding some plastic bags will also attack rubber motors Thanks Manny Ra doff first noting problem spreading warning Dennis Pepperel St Al bens England club identifying damaging agent plastic bags culpritsto safe change materials described below What kind damage Sulfur paper de vulcanizes softens rubber primary symp tom loss torque motors no longer de velop same torque given number turns once did Vinyl chloride report edly damaging element plastic bags exposed rubber gets brittle breaks easily un der tension Are motors damaged used anything except acid-free paper envelopes assume motors have softened little lot damage depends time storage temperature Lower temperatures reduce rate chemical reactions cold storage will have reduced possible damage wont know sure unless have previously re corded turns vs torque motor test possible vinyl chloride damage simplestretch short section rubber Se verely damaged rubber can quickly reduced pile short scraps just seconds Note rubber has aged naturally may have similar response stress Whats solution Stamp collectors store treasures glassine envelopes available stamp dealers about three six cents depending size typically sold packs 100 bulk storage use plastic oven cooking bags also expensive made nylon Bags can stand higher temperatures over 4000 F polycarbonate much expensive Oven bags typically available 10 x 16-in 16 x 20-in sizes Ive made smaller bags large oven bags using double-sided tape seal excess material smaller sections cur rently have no information possible dam age chemicals tape Peanuts & Pistachios again Bill Hannan has published number five fine series sue larger includes international con tributions price has gone up $795 plus $2 P&H Hannans Runway has new address Box 210 Magalia CA 95954 publica tions really important Indoor Scale fliers Flying opportunities following listings contest dates presently hand CDs please fill dates February 1991 beContinued page 176 Left Mini Stick revisited Tom Vallee contrasts beginner model Limited Pennyplane Both model sizes have uses tiny models suited really small sites such large living rooms Right Ornithopters have come long way Roy White shown dis playing record-setting Ornithopter flew 1518 Akron after flights 1240 1338 1406 1450 Really good times January 1991 83 Free Flight Indoor Bud Tenny Box 545 Richardson TX 75080 Left John Triolos Manhattan Cabin model shown after cleaned out some OT tflC girders tne usic model retrieved tail boom stuck microfilm model real ceiling scrubber Right Whats Scale B-36 Catapult Glider Catapult Glider has expanded clude Catapult Scale least Bedford TX experimental event proposed Jesse Shepherd sessions Bedford Boys Ranch near Ft Worth Aside being Scale model Scale Catapult models meet 1 2-in-maximum-span part stan dard Catapult Glider rules Modeling Accessories MASIER AI1ISCRIW alsa Stripper Precision stripwood easy Balsa Strip per Strips up 1/2 wide 114 thick can cut quickly accurately sheet stock vernier wheel advances 1/32 precise adjust ment stripper uses std type 11 hobby blade $495 suggested retail Razor Master Airscr mr lane Plane uses heavy-duty ndustrial blade held place two locating screws allowing cutting depth set very rigidly accurately Use rounding smoothing contours fuselages cowlings shaping edges thinning strips etc $495 sug gesfed retail Replacement blades available stock no MA2101 $149 pack 3 cDc ine S Fuel Filter fuel filter outstanding value has threaded two-part alum num body 100-mesh stainless screen removeable easy cleaning $119 suggested retail Direct Drive 05 Prop Adaptor all-aluminum prop adaptor designed 05 electric motors recommended use Master Airscrew 7x4 7x6 8x4 8x6 propellers $395 suggested retail See Hobby Dealer WINDSOR PROPELLER CO 3219 Monier Cir Rancho Cordova CA 95742 new Astroflight Cobalt electric motors photos shows large Rearwin Speed ster rubber model built Burd plans lovely thing can get plans Danny Sheelds himself lovely thing will cost $750 does include postage has couple other plans may interested Kind Burd $750 postage paid gas model Korff Professor seven foot Gassie $950 lam sure will show copies pho tos latter two ask send SASE need plans Rearwin right Send money Danny Sheelds 2318 Noonlsam Rd Woodlawn MD 21207 looking someone clean restore general work old ignition engine suggest contact Don Blackburn PO Box 15143 Amarillo TX 79143 tel 1-806/6221657 Im interested hearing about others work restore fix engines can spread wordE Bean Box 5/Oldenkamp Continued page 91 away tissue wherever parts meant join trial fit CyA rudders sta bilizer wing fuselage Since locked-in machine deliberately skewed stabilizer/rudder unit give left glide turn making offset about A6 through stabilizer span No tilt used Before adding full beads CyA cer tam alignments precise can get whether eyebalhing mea suring Take time point model should almost ready flight remains drill out motor peg holea bamboo skewer makes fine tool purposeand double-check admire work Early flight testing segment clear Bean Box sound pedigree little potential Flight times climbed scant seconds well over five minutes duration model showed uncanny ability ride out light morning thermals Meanwhile some initial disappointments counteracted plane didnt climb high expected put small wad clay tail went straight under power shimmed right thrust occasionally stalled un der full winds used downthrust adjustments available locked-in airplane makes sense know well No glide tests done Since its nearly impossible predict small models behavior until its up amongst em theres little sense risking bent prop shaft before first flight Both Bean Boxes ran two strands FAL x A6 tan rubber using maximum about 1100 turns blast tube highly rec ommended nonsplash rubber lube help keep masterpiece clean Ive found STP spray product called Son Gun works really well use exclu sively Saturate motor leave out overnight Pat off excess paper towel motors ready go Great stuff Epilogue Because both prototypes eventu ally rode away strong undetected lift Im considering including dethermaliz ing hardware next batch Id have shave off some weight elsewhere model work Ill probably also separate wing positive action U FF Indoor/Tenny Continued page 83 yond List site contacts below safe check contest status phone before leaving home Connecticut Glastonbury Indoor flying Glastonbury has can celled until further notice Norwich Flying sessions Nov 17 Dec 15 1990 Jan 19 Feb 23 Mar 16 Apr 27 1991 Jerry Bock ius 48 Division St Nor wich CT 06360 tel 1203/442-8003 Florida Miami Dr John Martin 2180 Tigertail Ave Miami FL 33133 tel 1-305/8586363 Cat Record Trials Miami Youth Fair Nov 24 25 1990 Miami Dade South Continued page 184 Bill Effinger * says oeiy Piano Panen0 Sets give Ste assorted designs want have selected best classic designs oil time choose Item iraOetns part ae impottant eeClosive teati,e Curtiss HAWK PlC 94Awiegspen-68inngth 2268 sq wing aeae Fe 13 23 ciD engiens 4 channei Ric Rcoa-14 5 Curtiss FALCON O-IB/A3 114 wingspan ength 53160 sq wing area 3 35 cio engines anesi ftc Rcos13 h One-ThIrd Scale Piper Tn-Pacer PA-22 flS3lgwiogtptn23ggsq wing asa 20 30 S engines Fe oh RiC n 12 ibs 81118 nesnaii inngth 8C303t28 80 1-3 118wing spn gg~ iength wingsns- SohRIC 0 cid engines C3S2 gt5 Quarter Scale WWI SE-5A 00 wiog span sq wing area 78 22 engines gcO57 6& 5PAD C-XIII 70 span 0 sq wing ana t 3 Sf engines capable fiverit captures imagination RCOS8 0 FOKKER DR-i TRIPLANE 72 wieg span 50 wing area 78 tot 50 enginesN ocoOo 0 SOPWITH CAMEL Fi -2 1 04 wing span 5010 wing aeaeff lbs wlO Rice Fl5 wood & helsa construction ocer Shsq ft dawiogs gcOSf 1 5 Fokker 0-VIII 00 wingspan sq cui g 30-25 vid onoine h 0COS5 5 113 SCALE MONOCOUPE USA Tree 1939s ClassIc Fe 28 38 cio Engines wi8t bs tees Rid FeeS-S chantast Rll d15k v fFlt Besteni Aigeil Plepsi Removable Wing Penal 128 Wingspan 82 Overall Length 2188 sq Wing Aee One-third 5naie 032 Pull Scale Monocoupes weto built between 1027 tOSS established speed ecods its 00 HP clans Model has temocable nil-balsa wing panels Punelage hoisal plywood coostuction Engine Unit nasily rnmocabie Landing gnarls shock-mounted Fiberglass wheel pants enginn cowl taitings readily available PLAN No RC35-4 gill Ettings Peseding Member AMA NPPS Hell Pews Pricw complnt clans sub assernoly ft unralind cans lists PLEASE ADD 0208 In shipping mailing tehel Neos 1881 Pies Sets brochure efundahn f s ode WE TECHNICAL SERVICES Ro sa Beach FL 32459 176 Model Aviation GUNFIGHTERS * POSITIVE FEEL * USED BY TOP PILOTS * FOR FUTABA AIRTRONICS JR OTHERS PLEASE SPECIFY RADIO CA RES ADD 625% SALES TAX College Fun Fly Dec 16mory Dec 8 1990 Roy 1990 King Orange IndoorOMara 9120 E 7th St Meet MIAMA #3 CatTulsa OK 74112 tel 1III #4 Tampa Delta Hangar918/815-1424 Dec 29-30 1990 Iowa Kansas Oklahoma Oklahoma City Sessions National Guard Armory Oklahoma City Nov 18 Dec 16 1990 three dates 1991 determined Jim Belson 4933 NW 29th Okla homa City OK 73129 tel 1-405/946-1093 Tulsa Tulsa Glue Dobbers door contest Tulsa ArCedar Rapids Regular un sanctioned sessions Novem ber through February 34-ft ceiling Contact Paul Mdl rath 1524 48th St NE Ce dar Rapids IA 52402 tel 1319/393-4677 Topeka Unsanctioned door meets 225-ft Stone Hangar site Dec 9 1990 Jan 13 Feb 10 Mar 10 Apr 7 1991 Class AAA Cat II Kansas Indoor State Championship Whiting Field House Topeka KS April 20 1991 Jack Koeh lar 3425 SW Arrowhead Rd Topeka KS 666143485 tel 1-913/272-8439 Site contact persons CaliforniaSan Diego Howard Haupt 3860 Ecochee Ave San Diego CA 92117 ColoradoDenver Les Shaw tel 1303/499-0946 ConnecticutWilf Roger Kleinert 17 Gardiner St Darien CT 06820 tel 1-203/655-1585 GeorgiaAtlanta Area Contact John Barker tel 1-404/436-9912 IndianaIndianapolis Bob Butsch tel 1-317/841-3786 Illinois Chicago Area Don Lindley 420 Tupelo Naperville IL 60540 tel 1-708/355-9674 Kentucky Louisville Burr Stanton 9210 Darley Dr Louisville KY 40241 tel 1-502/425-1915 Maryland Goddard NAS Tom Vallee 444 Henryton So Laurel MD 20707 tel 1-301/498-0790 Massachusetts Cambridge Ray Harlan 15 Happy Hollow Rd WayAFTER YOU DID ALL THE WORK WHY LET YOUR AIRPLANE DO ALL THE FLYING INFO $300 BUILD & FLY THE miniMAX YOURSELF AWARDED Grand Champion Reserve Grand Champion Ultralight 1989 Sun-N-Fun Fly-In * Computer Designed * 3 Axis Control * Part 1 03 Ultralight Easy Construction Wood Construction TEAM INC BOX 338M BRADYVILLE TN 37026 615 765-5397 Minnesota Burnsville John OLeary 11425 Kell Circle Blooming ton MN 55437 tel 1612/888-0638 Dell Marchant 17110 24th Ave N Plymouth MN 55447 tel 1612/473-5971 Nebraska Beatrice John Pakiz 4523 Poppleton Ave Omaha NE 68106 tel 1-402/551-2964 New Jersey Union Area Fergus Collins 48 East Hazlewood Ave Rahway NJ 07067 Northern Area Don Ross 38 Churchill Rd Cresskill NJ 07626 tel 1-201/568-5272 New York Queens Bob Bender 159 Raff Ave Mineola NY 11501 tel 1-516/248-5118 NYC Dan Marek 210 West 101st St #1OF NYC 10025 tel 1-212/222-1546 Chappaqua Art Maiden tel 1Continued page 188 184 Model Aviation land MA 01778 tel 1617/358-4013 ADVANCED AERO PRODUCTS_ iirt CALl C MUTE Fll HFOMATCAI ZI SYS7E VS UVEMMWT N5O AE AOOJCTS AT IBOI 3A6-C ANNA TX TX003 14 A24-3940 AmAm WE BUILD YOUR HELl TEST YOUR HELl REPAIR YOUR HELl 322 North 7th St 6~ 1 Lehighton Pa 182353 WRITE OR CALL FOR INFORMATION LATHES NG MACHINES INE SHOP SUPPLIES j BLUE RlDGE LINI ~The Croftmons ~ Alternative P0 305 526 Y NE 3/V 25526 304 562-3536 CATALOG $100 CALL FOR PACKAGE PRICES No 676 Hiliner$4 00 RO twin-electric high-wing Sport ship designed HiLine lmp-30 thirty-watt motor Has tricycle landing gear spans 40-in No 677 Thunderbird$975 CL Stunter 20-35 power Two plan sheets drawn original 1982 Veco kit Spans 54-in No678 Bean Box$150 FF West Coast Bostonian Outdoor design Spans 16-in No 193Stiletto CL Sluof model McDonald winner 1976 1960 1982 FAt Wodd Champs$ 375 No 262Crashmeaner CL Crash-proof trainer two sizes1 5130 35/40 powerS 125 No 3101930 Fteet Biplane RC Sport Scale 35140 4-channel Wingspan 56 in. scale Two sheetsS 625 No 314Drake RC Ken Willards flying boat 3-channel 15-power Fly land wdh removable gear$ 375 No 326Taylor cub RC Don Sinus Schoolyard-Scale far 049s 2-3 channel Spans 50 inS 350 No 332Zephyr RC Small 2-channel glider hand-loanch ar tow thermal olepe soaringS 200 No 386Laaer 200 RC Sport Scale replica championship Aerebatic tier Urea 40 power 4-5 channel Two sheetsS 1075 No 4471I2A Mlaa America ftC Old-Timer hA Texaco model 049 glow 2-channelsS 650 oNo 460440 ftC Shoulder-wing sport tier 4-cycle 40-size engine 4 channelsS 650 05No 465Blue Man RC Fan-fly xpertster 40-size engines spans 52 Lightweight stroctaw5 700 No 539Similar Stone-Motion 15 ftC Tailless flying wing 15 engines spoon 60 noes 3-cb RC5 350 jNo 678Schmeizer 1-26B RC Quarter-scale Sailplaoe spans 125 Two plan sheetsS 1475 581 Bee Model Y FtC Golden Age Racer spans 72 scale 60 power Three plan sheets 75 No 588 Martsh RC Slope-Soaring Sailplane spans 41 noes 2 RC channels S 425 No 693 Taylorcraft RC Sport Scale lightylane beilds standard 2-placer clipped-wing air show 001Cr Spans either 70 58 30140 two-stroke 40148 four-stroke engine Two plao sheets documoetatioo5 1000 C 0No 598 Coronet 150 ftC-Assist Old-Timer enlarged 150% spans 72 axes 40-size 4-stroke/30-size 2-strokeS 050 e005 No 803 Sparrone Hanek P30 FF Cumpetitizo robber-power plane woo 07 Nats Spans 30 inS 225 No 807Curtlee Seagull ftC Giant Scale biplane spans 00 axes Quadra/Zenoah power Three plan shoots no docS 2400 0-No 609Tapermtng ftC Pylen Racer spans 29A Plan plan parts template sheetS 600 No 610Protobype ftC Sport biplane spans 48 ones 45/2-cycle 80/4-cycle powerS 650 0No 619Keith Rider R4 FF Scale Golden Age racer robber power spans 16 inS 300 0No 620GimleC 40 RC Sport/Pattero plane spans 60 40150 engine 2 sheets5 1100 No 623Nendereon Longeter RC Quarter-scale 1933 flinver spans 90 4-stroke 40/48 engine 3 plan sht no dxc$ 1650 E0No 624Keleher Larie RC Quarter-scale humebuib spans 69 fur 60190 4-stroke power 2 plan shoots no riscS 1100 No 826Sweepee ftC SporsIPaOero canards foxeard-swept wing spans 64 ix uses 40 puwer 2 plan sheets$ 1300 No 628Prime Cut RC Sport/Aerobatic plane spans 90 uses Quadra 35/40-size power Two plan sheetsS 1300 No 630Original Fly Baby RC Old-limor spans 72 axes 19125 2-cycle 40 4-cycle power 2 plan sheetsS 11 50 6ENo 805The Gambler FF todeer Bostonian robber-power cabin plane spans 15% inS 2 00 Z00No 806Keytmo RC Tti-gearod low-wing spurtoter far 20125 pawer spans 44 inS 575 CONo 809Slcyvolt RC Tri-geared Electric aerobatic spsrtster 05115 power spans 501/a inS 050 Cl0No 641Lit Ole Reliable ftC Old-Timer sport tiler spans 50 twA enginesS 575 No 644Beltmnca Columbia RC Schsslyard Scale 2 RC channels twA engine Wingspan 48 inS 575 No 646Winter Hawk FF Rebber-power Coupe ditiner competitino plane spans 47 inS 375 No 648Curtime OC-2 FF Sinus Outdoor Gas Flying Scslo biplane ores electric power spans 24 HiLino Mioi-6 motorS 325 No 650 47/66 RC Special RC Aerobatic sport plane 40 power spans 61 3 plan sheets5 1075 -o 0 No 651 Coneortlum RC Hood-Launch Hi-Start Glider spoon 60 in5 650 C tONo 652 Der Fledermaus RC Low-wing sport pinee 20125 power spans 55 in5 675 No 664Teanecat tfC Trainer/spertuter styled like F14 spoon 66 40161 power Four plan sheetsS 1525 No 655Aetroatar FF AMA Class NB Gas plane spans 67 uses 3251350cc powerS 090 00 oNo 857Super Squire RC Trainer 35/40 2-stroke 53 4-stroke power spans 56 inS 750 ENo 858Shurlken Streak CL Trainer axes 2-line Monoline control spans 17 power5 225 0 enNo 859Boom Box FF Wakefield Rubber competOiuo plane spans 54 in5 400 No 660Volkagalane ftC Electric-powered nporsxter 05 motor spans 56 2 plan shts5 925 0No 881Embry-Omatic PP Embryo Endurance robber-power plane spans 20 in5 2 00 C0No 862Bonktte CL Scale antique canard pusher biplane spans 42 2 ptan sheets5 1100 oNo 883 Pea Patch ftC Spsrtster spans 60 uses 401504-stroke power 2 plan sheets5 900 0No 664Stuka Stune CL Stester remocale spans 37 in5 590 CCNo 665Conecientious Objector FF Moloihill Rubber campettiso plane spans 56 Oat5 575 0No 666BlItz ftC Sporister spans 48 uses hot 28132 power 2 plan sheets5 1075 No 867AT-6 CL Semiscale profile Stunter tar 35/40 power spans 47 in5 575 No 888Stone Worm 432 FF AMA Class competition plane 09/15 power spans 54 fiat5 590 8No 669RoCo Raven ftC Sailplane uniqee twist-wing control Spans 76-in Requires eleoss mioing5 650 No 670Limleatlon CL Profile Intermediate Stunt trainer 29-40 power spans 51-in5 675 No 871Ceanna Cardinal FF ftemioder Scale sport filer power spans 39-is5 575 oenNo 672KreckerJac ftC updated version pioneer sport plane spans 74-in two plan sheets5 1375 enNo 873Caudimordax Fast Combat ship designed 25-32 power Foam wing spans 48-in5 500 0enNo 674Krumpler ftC 075-powered Electric semi-scale bi-winger spans 39-in5 575 -0 acNo 675BDP-1 FF twin-tailed sport flier Coo 02 Pee Wee engine spans 25-in5 225 en55 00Circlenumbers plans wish order best handling please notinclude re- 00 ts payment some other service plans order 93262310314326332386447 en n 460465539578581588593598 en vSO. 603607609610619620623624 626628630635636639641644 0 O0 646648650651652654655657 zzo 658659660661662663664665 o 0 C 0 E 666667668669670671672673 00 674675676677678 an price includes first Class postage US delivery Air Mail over 300 miles orders non-US addmss lease add $258 Air Mall osta e handlin Bach Ian 01 Make check money order le US funds drawn US bank Model Aviation C/O AMA 1810 Samuel Morse Reston 22090 Please allow 3 6 weeks delivery se print carefullyEnclosed $ Os ______________________________ a- NAME ________________________________________ AMA No ______________ ET CITYZIP IL 914/760-3280 1-914/769-2644 Locust Valley Fred Dippel 2 David Court Glen Cove LI NY 11542 Eel 15 16/67 1-2858 Levittown Cantiaque Rich ard Fiore 531 Secatogue Ave Farmingdale LI NY 11735 tel 1-516/249-4358 Pennsylvania Eastern Walt Eggert Jr 26 Moredon Rd Huntington Valley PA 19006 tel 1215/947-4387 Philadelphia Joe Krush 409 Warner Rd Wayne PA 19087 tel 1-215/688-3927 VirginiaNewport News Abram Van Dover 112 Tillerson Drive Newport News VA 23602 WisconsinRacine Tony Italiano tel I414/782-6256 Federation ROG times up again After offi cial flying finished USIC Jim Clem held high time just under eight minutes next day Dave got just over eight minutes month later Kibbe Dome Jim Clem posted two flights 818 outdone Andy Tagliaficos 907 next month Lakehurst Jim posted 902 835 under 85 ft 941 after landing airplane Can 10-plus far away keep things perspective Jim flying model Slightly shorter prototype shown October 90 column Andy flew much shorter model AC feedback previous column defined aerodynamic center airplane theoretical point about external aerodynamic forces act Bill McCombs suggests definition should AC incremental changes lift caused changes angle tack act stability margin next time World Champs/Ettel Continued page 96 Austrians 10154 points Germanys team occupied third place 9927 points final day saw no letup intensity round seven Jason scored 694 points Jerry 680 Steve 673 Jason outdid himself round eighth chalking up 709 26 laps Jerry re peated round seven score 680 Steve turned 671 final scores tabulated veri fied team standings remained unchanged previous day US team hold ing second place 14096 points Austria team crown 14222 points World F3E Champ Rudolf Freudenthaler Credit due dedicated support group U S team members Working team both throughout contest during months advance preparation practice Bob Sliff Team Manager Keith Finkenbiner Helper Brian Chan Helper Grant Mes singer II Assistant U responding advertisers mention read about Model AvIation 188 Model Aviation