NO OCR TEXT Left Foam blank ready cutting wing cores roam construction uuu5 much reduce building time Right xampIes OT wing paneis aiready coredoutboard panel top inboard bottom See text details coring actually done ment other kinds modeling require Combat planes build must easy produce quickly addition demand planes fly tune state art practiced opponents Undertaker can mass-produced six hours less per airplane excellent performer design evolved influences number other Com bat planes designers Essentially took best features number airplanes combined met own personal specifications article purposefully much concept Combat models flying specific airplane Construction techniques use could adapted Combat fliers own particular favo rite layouts Though believe moments dimensions Undertaker almost ideal other fliers after building may want experiment different airfoils wing planforms materials meet own preferences began AMA Combat flying about 1978 Like beginners new event went through period searching plane suited started avariety all-balsa designs moved foam wings captivated credible performance foainies highaspect-ratio wings However after two years alternating exhilaration frus tration retreated concept came up own first design temporarily gave up tapered-wing foam ies because susceptibility linetens ion problems general unpre dictability slightest bit out trim first design Ax balsabased airplane foam leading edge foam LE essential able snag streamer leader string get now-standard wing kill plane rectangnlar wing planform fairly thick airfoil copied early design Phil Granderson Construction influenced designs Gene Pape Norm McFadden Once sorted out 42-in-span Ax met flying specifications absolutely predictable flight attitudes flew im mediately launch no matter wind direction turned well would fly acceptably warped poor trim ming damage also quick build Still Ax serious flaw efforts simplify lighten airplane much possible created design simply wasnt strong enough Though withstood flight stresses would explode contact another airplane ground Itwasbacktothe drawingboardforme wanted plane would fly build like Ax also sturdy enough withstand minor bumps bruises also wanted airplane parts could recycled reused after crashes collisions began look again direction foam wings strength also looking ultra-simple concept Gene Papes Dogfighterwhich emerged popular beginner quickbuild Combat plane Northwest thinking-out Undertaker tossed blender concepts foam strength wing kills tapered wing planform moderately-high aspect ratio good turning airfoil moments Ax predictable flight response simplicity Dogfighters con struction resulting airplane absolutely satisfactory its first prototype Since change have made building larger version 1984 Reno Nats am pleased both original 45-in-span version Reno 47-in version have settled prefer fly reason article contains instructions both construc 66 Model Aviation LeSt fuselage aster installing controls tail boom doublers toothpick alignment guides Right view os wing nears completion Outboard tip weight spars inboard lead-out guides have already installed installing wing tip next Full-Size Plans Available. See Page 164 MOTOR MYOSTSCORE RJTNHMMO WING PIT BLAHOBO COMPOETNENTLS MOESA SHEET TOP ANT BOTTOMlOT ELOWOQO- TOSH NSTALLATIOS ~ -S POORC ETOO STRAPPING TATE 1WINO OSLT C PROM C ENOTE ST HENTION ATE THE SAME TEMPLATES TOT NAHE THE NINA PANELSPUSTHOH ROOT WING CORE TEMPLATE TRIN AETE WITH OTTOISHO TIP WING CORE TEMPLATE IONA55 3032 PLO -j TJTNEO MACHOARDS 2 WING PLAN MOLT BELLOHASE PASTCOVETED WTM PASCAL STRINT H TIP CORING N SPAR NOTCH TEMPLATE ROOT CORING B SPAR NOTCH TEMPLATE j OSD MW MINSE PIN N OBASS TATE RINO PIT STOP STABILATOR SOC SOLE MAPLEH MOLT TELCBOSH MOTOR MOIST5 NLISN NATO TOTHAT TUSELAHECT NNELDM10 LINETAIL ELEVATOR AlMARC TNLLCTANE IM PLTWOHDSTABSHIH50 MODEL AVIATION nbertaktr AMA COMBAT FOR SN ENGINE Left wIng/fuseiage assembly after covering Keep finish iight possibie light weight key good Combat fiier Right Taii assembly detaiis Note wire hinge tali eievator horn DARE unit center-fuseiage pushrod emergence tiOfl difference add inch wing core larger version Properly built Undertaker stable level flight also quick tightturning pulls hard lines good feel handle easy control either upwind downwind has virtually bad habits related line tension bobbing wobbling warp-sensitive con trol loss often associated high aspect ratio designs having thin airfoils strong enough survive minor crashes collisions frequently repairable after serious damage plane repairable fuse lage/tail assembly controls usually reusable unless its center-punched another plane Addition new wing cores easy because spar channel hidden under engine mount would difficult clean outoften re sults virtually new airplane couple hours work Careftil construction selection best materials will result Undertakers weigh around 21 oz including engine prop bladder tank extra attention detail weight can brought down 20 oz cost mate rials should less $10 per plane building time including cutting parts should no six hours once know technique Construction Start collecting together making up following components will become kit plane Refer plans detailed dimensions needed Plastic paper bladder tube Plastic tubes can ordered 25 Naemura 16320 SE Division Portland OR 97236 Outboard wing panel front core section enlarged bladder tube Inboard wing panel Wing panels 22 45-inspan airplane 23 47-in-span version Two 1/4 x -in spruce fir pine spars Fuselage controls installed Controls clude standard lead-outs Fox 3-in bellcrank No 6 bolt hinge pin bicycle spoke pushrod Spokes available bicycle shops about 104 Kwik-link metal threaded coupler completes horn end assembly Two fuselage tail doublers 3/32 plywood Two toothpicks Continued page 154 October 1985 67 DESIGNED BY JOHN THOMPSON ITRACING BY JOE DEMARCO IALL BIMMTN BEBNTVNO engine mount authors Fox Combat engine aiongside mount first assembied giued fuse iage needed baiance fact spar channei hidden beneath engine mount reduces wing replace ment time about couple hours Model Magic Epoxy Plus 2 Part 8 Mm Use anywhere two part epoxy used 25% Lighter Sandable Carveable Excellent Gap Filling Non-Sagging Superior Strength$fl95 Sands Carves like Basswood! Sf1 ozl Equal over 8 wt oz regular epoxys See dealer first write call IftK PO Box 19784 St Paul MN 551190 715425-13970 MODEL MAGIC PRODUCTS 0 Model Magic Filler Comparison Chart Model Magic Product X Excellent Adhesion Balsa Foam Fiberglass Strength Flexing Spreading Fuel Resistance Good Sanding As med balsa Hardness As hard balsa Finishing Any finish/covering Shelf Life till used up Tint Acceptance Excellent water Resist Excellent very Poor Soft balsa Soft balsa 5-7 inn very Poor Test methods data available request care enough fill very best insist Model Magic Filler Circus Magic Filler DGA DESIGNS qIbBody Pilot Kit oLightest Pilot available oLifeilke vinyl Ia tox rubber parts 0 Easy assemble finish Buiid either barnstormer sportsman pilot sKit contains pilot head hands boots helmet cap goggles full templates easy instructions Fuiiy positionable & moveable eSome simple sewing required WeightPrice 1/6 Scale2oz$ 795 1/4 Scale4oz*$ 995 1/3 Scale6 oz$1695 *Weightmay vary depending material used construction DGA DESIGNS Bust Pilot Kit Weight 1/6Scale 75oz 1/4Scale 15oz 1/3 Scale 225 oz Price 595 795 $1495 sLightest bust pilot available sLifeilke vinyl latex rubber parts sEasy assemble finish Buiid either barnstormer sportsman pilot Kit contains pilot head helmet cap goggles jacket instructions See deaier order direct Add $100 shipping direct orders Send $100 current catalog Dealers inquiries invited NYS Residents add 7 percent sales tax Send Check MO Allow 3 weeks check clear Sorry-No COD s Indoor flying sure affords lot ad vantages ie no noise no fumes no real dangers very low expense no sunburn no wind no rain dust Indoor flying has really big future make sure jump wave become expert before little boys girls discover fun swamp entry Tony should lucky Undertaker/Thompson Continued page 67 Two n maple engine mount beams Nacelle -in plywood Inboard wing tip eyelets installed Outboard wing tip Lead wing-tip weight tabilator made ftom x 36-in Sig tapered balsa stock 6-in hinge pin 3/32 music wire Two -in OD brass hinge pin stops Hinge bushing -in OD brass Large elevator horn Use Kraft RC tall horns order stainless steel fine-adjustment Combat horns Dark Ages Racing Equipment 200 W Franklin Ave Astoria OR 97103 Dont tempted use easier-to-find standard-size control horn too small Btind nuts favorite-size engine attach ment recommend No6 blind nuts bolts Sequence Cut wing panels hotwire cutter templates shown plans After panels cut out use rectangular templates core-out cavi ties Enlarge front outboard cavity install bladder tube Use 1-in drill bit sandpaper wrapped around large dowel enlarging hole using drill jig guide core prevent hole wandering An excellent ref erence work cut foam wing panels Gene Papes article FAWF AMA Combat plane April 1980 issue ModelAviation Save part foam block cut core will used later jig assembly Saw fuselage tail tail doublers tips engine mount pieces Put centerlines both sides fuselage locate toothpick guide holes Groove fuselage bellcrank post Assemble control system mount ing Fox bellcrank No 6 bolt using nuts top bottom hold place Bush lead-outs grommets brass tubing put bicycle spoke keeper down inner bellcrank arm hole long piece brass tubing cutjagged end serves good drill bit long pushrod exit hole through fuselage Some adjustment may needed get hole just right pushrod clear bellcrank possibly rod can bent bit obtain clearance Once practiced should able drill hole entire system operates freely right off Attach fuselage doublers cyanoacrylate CyA sand drill stall brass tube bushing Make sure get hole straight use drill press possible Install toothpicks fuselage holes wing-alignment guides Attach wing cores 5-min epoxy Use part foam blanks cut wing jig hold assembly straight gluing Using centerlines fuse lage guide make sure panels straight back wing spar notch should line up front fuselage cutout spar lays across fuselage butts up against back cutout Glue spars white glue prefer Pica Products Gluit sands easily spars can held place glue dries returning cores spars glue position blanks lined wax paper cut weight sandwich letthe glue dry Attach wing tip weight out board tip install both tips threading lead-outs through inboard tip eye lets templates designed slot back panel allow lead-outs travel through proper channels Dont tamper line rakeits key good line tension Run strip -in strapping tape diag onally front root back tip inboard side top bottom pre vent flexing short piece spanwise across fuselage center top bottom far back can go lie flat will significantly strengthen center section avoid damage minor crashes Put AMA numbers plane 154 Model Aviation $595 IS fI nz Fillets s Gap Filling Repair 51wu ml i iei inuccess. Tantrum ue radio controlled folding wing sailplane Computer aided aerodynamic design Easy assembly entional folding wings Folding wings maximum launch Hand launch high start slope soar Tantrum very light weight sophisticated sailplane 42 wingspan can easily built two ways entional sail p lane unique folding wing hinged polyhedraljoints experienced Hard hand launching does stress frame produce looping height trajectory outboard panels released upon command converting high performance sailplane Tantrum requires 2-channel radio standard servos receiver 100 mah battery pack deluxe kit includes hardware full sized plans complete building instructions parts machine cut precise fit List Price S3495 Ground Models Inc 606C W Anthony Drive Urbana Illinois 61B01 217367-7070 Distributor inquiries invited required AMA Safety Code cover cores FasCal using lowheat setting Attach tail using music wire hinge pin Glue brass hinge pin stops hinge pin CyA prevent sideways sliding elevator CyA-glue hinge pin elevator little baking soda may help secure sandthe joint wrap pin area FasCal scraps Cover whole tail FasCal can done single piece wrapped around Install elevator horn using Kraft horn put 1/32 plywood plate underneath prevent lifting under stress DARE horns dont need plate Finish tail boom FasCal other plastic covering Connect pushrod elevator horn Kwik-link Very little movement needed start out horn near top Kraft horn about five holes down DARE horn Glue maple engine bearers plywood rectangle nacelle cut out center fit assembly fuselage rear beams should butt up against spar Shape engine mount taper rear beams round front Rubberband engine mounted prop engine bolts onto engine mount Plug mount onto plane move engine forward backward until plane balances 25% wing chord about spars Mark engine mounting hole locations drill install blind nuts Attach engine mount slow-cure epoxy fill gaps later 5-min epoxy Finish mount exposed parts fuselage 5-min epoxy Drill access drain holes blad der tube fuel-proof holes Securely tie lead-out ends Hying should find new Under taker under control right out launch Some Kwik-link horn adjustment may needed equalize turns both directions find proper turn radius Resist temptation adjust too much elevator travel Too much travel will induce stall set up plane easy kill opponent large amount travel seems necessary get plane turn balanced nose-heavy Within limits can corrected tail weight plane nervous wont fly level tail-heavy elevator travel will have minimized Once Undertaker air flight-trimmed thing standing tween victory Combat circles plenty practice lots Combat flying CL Aerobatics/Fancher Continued page 68 Objective III items 2 through 8 worst waster line tension roll airplane banked toward pilot portion wings lift vectored 1981 World Soaring Champ DWIGHT HOLLEY FEATURES Sailpianes lous Electric Planes Thermal batic imer Sport Scale tric Gliders ASTROFtIGHT R ER MOTORS IN STOCK SANYO SANYO SANYO ery Special N 800AR Weigh 36 Grams N 12005C 62 Grams ee N 1 200SCR Red Jacket 52 Grams ea New Super Cell SANYO N 9005C weigh 39 grams same die 1200s % length will deliver least 950 MAHI HOLLEYS SILENT FLIGHT 203 748-0083 151 CHESTNUT RIDGE ROAD BETHEL CT 06801 ADAMS SPEED CDNTRDLLERS PNER OFLIGHT KELLER SH Now Offer l line German AlmostReady-To-Fly Sailpianes hottest slope scarer thermal F3B electric Gliders All kits include epoxy-fiberglass-fuselage wings stabs built special foam Obechi Veneer reinforced glass cloth All wings come Schlemp-Hirth Gradpner spoilers aileron pushrod tubes wing mounting system already stalled ready cover ASK FOR OUR SPECIAL CATALOG - $100 nwa man MODELS SOLD IN EUROPE C n S -I Features l. md four interchangable wings #1 VENUS STANDARD wingspan er airfoil thermal competition electric flight $185 #2 VENUS COMPACT wingspan er airfoil thermal slope gliding $180 #3 VENUS STUNT wingspan oil Eppler 374 thermal slope stuntflying electricflight $150 #4 VENUS COMPETITION118 spanAirfoil HO 2519 wlflaparons F3B high performance gliding .$195 #5 VENUS COMBI wings choice 100 wingspan 118 wingspan $250 HOLLEYS SILENT FLIGHT 203 748-0083 151 CHESTNUT RIDGE ROAD BETHEL CT 08801 October 1985 155 ELECTRIC MODEL SAILPLANE SPECIALISTS FEATURING ONLY STATE OFTHE ART ITEMb cALL OR WRITE FOR FREE DESCRIPTIVE FLYER ASTERIX good looking thermal macnine arem state art technology wingspan 114 Airfoil Eppler 387 asterix very good electric flight
Edition: Model Aviation - 1985/10
Page Numbers: 65, 66, 67, 154, 155
NO OCR TEXT Left Foam blank ready cutting wing cores roam construction uuu5 much reduce building time Right xampIes OT wing paneis aiready coredoutboard panel top inboard bottom See text details coring actually done ment other kinds modeling require Combat planes build must easy produce quickly addition demand planes fly tune state art practiced opponents Undertaker can mass-produced six hours less per airplane excellent performer design evolved influences number other Com bat planes designers Essentially took best features number airplanes combined met own personal specifications article purposefully much concept Combat models flying specific airplane Construction techniques use could adapted Combat fliers own particular favo rite layouts Though believe moments dimensions Undertaker almost ideal other fliers after building may want experiment different airfoils wing planforms materials meet own preferences began AMA Combat flying about 1978 Like beginners new event went through period searching plane suited started avariety all-balsa designs moved foam wings captivated credible performance foainies highaspect-ratio wings However after two years alternating exhilaration frus tration retreated concept came up own first design temporarily gave up tapered-wing foam ies because susceptibility linetens ion problems general unpre dictability slightest bit out trim first design Ax balsabased airplane foam leading edge foam LE essential able snag streamer leader string get now-standard wing kill plane rectangnlar wing planform fairly thick airfoil copied early design Phil Granderson Construction influenced designs Gene Pape Norm McFadden Once sorted out 42-in-span Ax met flying specifications absolutely predictable flight attitudes flew im mediately launch no matter wind direction turned well would fly acceptably warped poor trim ming damage also quick build Still Ax serious flaw efforts simplify lighten airplane much possible created design simply wasnt strong enough Though withstood flight stresses would explode contact another airplane ground Itwasbacktothe drawingboardforme wanted plane would fly build like Ax also sturdy enough withstand minor bumps bruises also wanted airplane parts could recycled reused after crashes collisions began look again direction foam wings strength also looking ultra-simple concept Gene Papes Dogfighterwhich emerged popular beginner quickbuild Combat plane Northwest thinking-out Undertaker tossed blender concepts foam strength wing kills tapered wing planform moderately-high aspect ratio good turning airfoil moments Ax predictable flight response simplicity Dogfighters con struction resulting airplane absolutely satisfactory its first prototype Since change have made building larger version 1984 Reno Nats am pleased both original 45-in-span version Reno 47-in version have settled prefer fly reason article contains instructions both construc 66 Model Aviation LeSt fuselage aster installing controls tail boom doublers toothpick alignment guides Right view os wing nears completion Outboard tip weight spars inboard lead-out guides have already installed installing wing tip next Full-Size Plans Available. See Page 164 MOTOR MYOSTSCORE RJTNHMMO WING PIT BLAHOBO COMPOETNENTLS MOESA SHEET TOP ANT BOTTOMlOT ELOWOQO- TOSH NSTALLATIOS ~ -S POORC ETOO STRAPPING TATE 1WINO OSLT C PROM C ENOTE ST HENTION ATE THE SAME TEMPLATES TOT NAHE THE NINA PANELSPUSTHOH ROOT WING CORE TEMPLATE TRIN AETE WITH OTTOISHO TIP WING CORE TEMPLATE IONA55 3032 PLO -j TJTNEO MACHOARDS 2 WING PLAN MOLT BELLOHASE PASTCOVETED WTM PASCAL STRINT H TIP CORING N SPAR NOTCH TEMPLATE ROOT CORING B SPAR NOTCH TEMPLATE j OSD MW MINSE PIN N OBASS TATE RINO PIT STOP STABILATOR SOC SOLE MAPLEH MOLT TELCBOSH MOTOR MOIST5 NLISN NATO TOTHAT TUSELAHECT NNELDM10 LINETAIL ELEVATOR AlMARC TNLLCTANE IM PLTWOHDSTABSHIH50 MODEL AVIATION nbertaktr AMA COMBAT FOR SN ENGINE Left wIng/fuseiage assembly after covering Keep finish iight possibie light weight key good Combat fiier Right Taii assembly detaiis Note wire hinge tali eievator horn DARE unit center-fuseiage pushrod emergence tiOfl difference add inch wing core larger version Properly built Undertaker stable level flight also quick tightturning pulls hard lines good feel handle easy control either upwind downwind has virtually bad habits related line tension bobbing wobbling warp-sensitive con trol loss often associated high aspect ratio designs having thin airfoils strong enough survive minor crashes collisions frequently repairable after serious damage plane repairable fuse lage/tail assembly controls usually reusable unless its center-punched another plane Addition new wing cores easy because spar channel hidden under engine mount would difficult clean outoften re sults virtually new airplane couple hours work Careftil construction selection best materials will result Undertakers weigh around 21 oz including engine prop bladder tank extra attention detail weight can brought down 20 oz cost mate rials should less $10 per plane building time including cutting parts should no six hours once know technique Construction Start collecting together making up following components will become kit plane Refer plans detailed dimensions needed Plastic paper bladder tube Plastic tubes can ordered 25 Naemura 16320 SE Division Portland OR 97236 Outboard wing panel front core section enlarged bladder tube Inboard wing panel Wing panels 22 45-inspan airplane 23 47-in-span version Two 1/4 x -in spruce fir pine spars Fuselage controls installed Controls clude standard lead-outs Fox 3-in bellcrank No 6 bolt hinge pin bicycle spoke pushrod Spokes available bicycle shops about 104 Kwik-link metal threaded coupler completes horn end assembly Two fuselage tail doublers 3/32 plywood Two toothpicks Continued page 154 October 1985 67 DESIGNED BY JOHN THOMPSON ITRACING BY JOE DEMARCO IALL BIMMTN BEBNTVNO engine mount authors Fox Combat engine aiongside mount first assembied giued fuse iage needed baiance fact spar channei hidden beneath engine mount reduces wing replace ment time about couple hours Model Magic Epoxy Plus 2 Part 8 Mm Use anywhere two part epoxy used 25% Lighter Sandable Carveable Excellent Gap Filling Non-Sagging Superior Strength$fl95 Sands Carves like Basswood! Sf1 ozl Equal over 8 wt oz regular epoxys See dealer first write call IftK PO Box 19784 St Paul MN 551190 715425-13970 MODEL MAGIC PRODUCTS 0 Model Magic Filler Comparison Chart Model Magic Product X Excellent Adhesion Balsa Foam Fiberglass Strength Flexing Spreading Fuel Resistance Good Sanding As med balsa Hardness As hard balsa Finishing Any finish/covering Shelf Life till used up Tint Acceptance Excellent water Resist Excellent very Poor Soft balsa Soft balsa 5-7 inn very Poor Test methods data available request care enough fill very best insist Model Magic Filler Circus Magic Filler DGA DESIGNS qIbBody Pilot Kit oLightest Pilot available oLifeilke vinyl Ia tox rubber parts 0 Easy assemble finish Buiid either barnstormer sportsman pilot sKit contains pilot head hands boots helmet cap goggles full templates easy instructions Fuiiy positionable & moveable eSome simple sewing required WeightPrice 1/6 Scale2oz$ 795 1/4 Scale4oz*$ 995 1/3 Scale6 oz$1695 *Weightmay vary depending material used construction DGA DESIGNS Bust Pilot Kit Weight 1/6Scale 75oz 1/4Scale 15oz 1/3 Scale 225 oz Price 595 795 $1495 sLightest bust pilot available sLifeilke vinyl latex rubber parts sEasy assemble finish Buiid either barnstormer sportsman pilot Kit contains pilot head helmet cap goggles jacket instructions See deaier order direct Add $100 shipping direct orders Send $100 current catalog Dealers inquiries invited NYS Residents add 7 percent sales tax Send Check MO Allow 3 weeks check clear Sorry-No COD s Indoor flying sure affords lot ad vantages ie no noise no fumes no real dangers very low expense no sunburn no wind no rain dust Indoor flying has really big future make sure jump wave become expert before little boys girls discover fun swamp entry Tony should lucky Undertaker/Thompson Continued page 67 Two n maple engine mount beams Nacelle -in plywood Inboard wing tip eyelets installed Outboard wing tip Lead wing-tip weight tabilator made ftom x 36-in Sig tapered balsa stock 6-in hinge pin 3/32 music wire Two -in OD brass hinge pin stops Hinge bushing -in OD brass Large elevator horn Use Kraft RC tall horns order stainless steel fine-adjustment Combat horns Dark Ages Racing Equipment 200 W Franklin Ave Astoria OR 97103 Dont tempted use easier-to-find standard-size control horn too small Btind nuts favorite-size engine attach ment recommend No6 blind nuts bolts Sequence Cut wing panels hotwire cutter templates shown plans After panels cut out use rectangular templates core-out cavi ties Enlarge front outboard cavity install bladder tube Use 1-in drill bit sandpaper wrapped around large dowel enlarging hole using drill jig guide core prevent hole wandering An excellent ref erence work cut foam wing panels Gene Papes article FAWF AMA Combat plane April 1980 issue ModelAviation Save part foam block cut core will used later jig assembly Saw fuselage tail tail doublers tips engine mount pieces Put centerlines both sides fuselage locate toothpick guide holes Groove fuselage bellcrank post Assemble control system mount ing Fox bellcrank No 6 bolt using nuts top bottom hold place Bush lead-outs grommets brass tubing put bicycle spoke keeper down inner bellcrank arm hole long piece brass tubing cutjagged end serves good drill bit long pushrod exit hole through fuselage Some adjustment may needed get hole just right pushrod clear bellcrank possibly rod can bent bit obtain clearance Once practiced should able drill hole entire system operates freely right off Attach fuselage doublers cyanoacrylate CyA sand drill stall brass tube bushing Make sure get hole straight use drill press possible Install toothpicks fuselage holes wing-alignment guides Attach wing cores 5-min epoxy Use part foam blanks cut wing jig hold assembly straight gluing Using centerlines fuse lage guide make sure panels straight back wing spar notch should line up front fuselage cutout spar lays across fuselage butts up against back cutout Glue spars white glue prefer Pica Products Gluit sands easily spars can held place glue dries returning cores spars glue position blanks lined wax paper cut weight sandwich letthe glue dry Attach wing tip weight out board tip install both tips threading lead-outs through inboard tip eye lets templates designed slot back panel allow lead-outs travel through proper channels Dont tamper line rakeits key good line tension Run strip -in strapping tape diag onally front root back tip inboard side top bottom pre vent flexing short piece spanwise across fuselage center top bottom far back can go lie flat will significantly strengthen center section avoid damage minor crashes Put AMA numbers plane 154 Model Aviation $595 IS fI nz Fillets s Gap Filling Repair 51wu ml i iei inuccess. Tantrum ue radio controlled folding wing sailplane Computer aided aerodynamic design Easy assembly entional folding wings Folding wings maximum launch Hand launch high start slope soar Tantrum very light weight sophisticated sailplane 42 wingspan can easily built two ways entional sail p lane unique folding wing hinged polyhedraljoints experienced Hard hand launching does stress frame produce looping height trajectory outboard panels released upon command converting high performance sailplane Tantrum requires 2-channel radio standard servos receiver 100 mah battery pack deluxe kit includes hardware full sized plans complete building instructions parts machine cut precise fit List Price S3495 Ground Models Inc 606C W Anthony Drive Urbana Illinois 61B01 217367-7070 Distributor inquiries invited required AMA Safety Code cover cores FasCal using lowheat setting Attach tail using music wire hinge pin Glue brass hinge pin stops hinge pin CyA prevent sideways sliding elevator CyA-glue hinge pin elevator little baking soda may help secure sandthe joint wrap pin area FasCal scraps Cover whole tail FasCal can done single piece wrapped around Install elevator horn using Kraft horn put 1/32 plywood plate underneath prevent lifting under stress DARE horns dont need plate Finish tail boom FasCal other plastic covering Connect pushrod elevator horn Kwik-link Very little movement needed start out horn near top Kraft horn about five holes down DARE horn Glue maple engine bearers plywood rectangle nacelle cut out center fit assembly fuselage rear beams should butt up against spar Shape engine mount taper rear beams round front Rubberband engine mounted prop engine bolts onto engine mount Plug mount onto plane move engine forward backward until plane balances 25% wing chord about spars Mark engine mounting hole locations drill install blind nuts Attach engine mount slow-cure epoxy fill gaps later 5-min epoxy Finish mount exposed parts fuselage 5-min epoxy Drill access drain holes blad der tube fuel-proof holes Securely tie lead-out ends Hying should find new Under taker under control right out launch Some Kwik-link horn adjustment may needed equalize turns both directions find proper turn radius Resist temptation adjust too much elevator travel Too much travel will induce stall set up plane easy kill opponent large amount travel seems necessary get plane turn balanced nose-heavy Within limits can corrected tail weight plane nervous wont fly level tail-heavy elevator travel will have minimized Once Undertaker air flight-trimmed thing standing tween victory Combat circles plenty practice lots Combat flying CL Aerobatics/Fancher Continued page 68 Objective III items 2 through 8 worst waster line tension roll airplane banked toward pilot portion wings lift vectored 1981 World Soaring Champ DWIGHT HOLLEY FEATURES Sailpianes lous Electric Planes Thermal batic imer Sport Scale tric Gliders ASTROFtIGHT R ER MOTORS IN STOCK SANYO SANYO SANYO ery Special N 800AR Weigh 36 Grams N 12005C 62 Grams ee N 1 200SCR Red Jacket 52 Grams ea New Super Cell SANYO N 9005C weigh 39 grams same die 1200s % length will deliver least 950 MAHI HOLLEYS SILENT FLIGHT 203 748-0083 151 CHESTNUT RIDGE ROAD BETHEL CT 06801 ADAMS SPEED CDNTRDLLERS PNER OFLIGHT KELLER SH Now Offer l line German AlmostReady-To-Fly Sailpianes hottest slope scarer thermal F3B electric Gliders All kits include epoxy-fiberglass-fuselage wings stabs built special foam Obechi Veneer reinforced glass cloth All wings come Schlemp-Hirth Gradpner spoilers aileron pushrod tubes wing mounting system already stalled ready cover ASK FOR OUR SPECIAL CATALOG - $100 nwa man MODELS SOLD IN EUROPE C n S -I Features l. md four interchangable wings #1 VENUS STANDARD wingspan er airfoil thermal competition electric flight $185 #2 VENUS COMPACT wingspan er airfoil thermal slope gliding $180 #3 VENUS STUNT wingspan oil Eppler 374 thermal slope stuntflying electricflight $150 #4 VENUS COMPETITION118 spanAirfoil HO 2519 wlflaparons F3B high performance gliding .$195 #5 VENUS COMBI wings choice 100 wingspan 118 wingspan $250 HOLLEYS SILENT FLIGHT 203 748-0083 151 CHESTNUT RIDGE ROAD BETHEL CT 08801 October 1985 155 ELECTRIC MODEL SAILPLANE SPECIALISTS FEATURING ONLY STATE OFTHE ART ITEMb cALL OR WRITE FOR FREE DESCRIPTIVE FLYER ASTERIX good looking thermal macnine arem state art technology wingspan 114 Airfoil Eppler 387 asterix very good electric flight
Edition: Model Aviation - 1985/10
Page Numbers: 65, 66, 67, 154, 155
NO OCR TEXT Left Foam blank ready cutting wing cores roam construction uuu5 much reduce building time Right xampIes OT wing paneis aiready coredoutboard panel top inboard bottom See text details coring actually done ment other kinds modeling require Combat planes build must easy produce quickly addition demand planes fly tune state art practiced opponents Undertaker can mass-produced six hours less per airplane excellent performer design evolved influences number other Com bat planes designers Essentially took best features number airplanes combined met own personal specifications article purposefully much concept Combat models flying specific airplane Construction techniques use could adapted Combat fliers own particular favo rite layouts Though believe moments dimensions Undertaker almost ideal other fliers after building may want experiment different airfoils wing planforms materials meet own preferences began AMA Combat flying about 1978 Like beginners new event went through period searching plane suited started avariety all-balsa designs moved foam wings captivated credible performance foainies highaspect-ratio wings However after two years alternating exhilaration frus tration retreated concept came up own first design temporarily gave up tapered-wing foam ies because susceptibility linetens ion problems general unpre dictability slightest bit out trim first design Ax balsabased airplane foam leading edge foam LE essential able snag streamer leader string get now-standard wing kill plane rectangnlar wing planform fairly thick airfoil copied early design Phil Granderson Construction influenced designs Gene Pape Norm McFadden Once sorted out 42-in-span Ax met flying specifications absolutely predictable flight attitudes flew im mediately launch no matter wind direction turned well would fly acceptably warped poor trim ming damage also quick build Still Ax serious flaw efforts simplify lighten airplane much possible created design simply wasnt strong enough Though withstood flight stresses would explode contact another airplane ground Itwasbacktothe drawingboardforme wanted plane would fly build like Ax also sturdy enough withstand minor bumps bruises also wanted airplane parts could recycled reused after crashes collisions began look again direction foam wings strength also looking ultra-simple concept Gene Papes Dogfighterwhich emerged popular beginner quickbuild Combat plane Northwest thinking-out Undertaker tossed blender concepts foam strength wing kills tapered wing planform moderately-high aspect ratio good turning airfoil moments Ax predictable flight response simplicity Dogfighters con struction resulting airplane absolutely satisfactory its first prototype Since change have made building larger version 1984 Reno Nats am pleased both original 45-in-span version Reno 47-in version have settled prefer fly reason article contains instructions both construc 66 Model Aviation LeSt fuselage aster installing controls tail boom doublers toothpick alignment guides Right view os wing nears completion Outboard tip weight spars inboard lead-out guides have already installed installing wing tip next Full-Size Plans Available. See Page 164 MOTOR MYOSTSCORE RJTNHMMO WING PIT BLAHOBO COMPOETNENTLS MOESA SHEET TOP ANT BOTTOMlOT ELOWOQO- TOSH NSTALLATIOS ~ -S POORC ETOO STRAPPING TATE 1WINO OSLT C PROM C ENOTE ST HENTION ATE THE SAME TEMPLATES TOT NAHE THE NINA PANELSPUSTHOH ROOT WING CORE TEMPLATE TRIN AETE WITH OTTOISHO TIP WING CORE TEMPLATE IONA55 3032 PLO -j TJTNEO MACHOARDS 2 WING PLAN MOLT BELLOHASE PASTCOVETED WTM PASCAL STRINT H TIP CORING N SPAR NOTCH TEMPLATE ROOT CORING B SPAR NOTCH TEMPLATE j OSD MW MINSE PIN N OBASS TATE RINO PIT STOP STABILATOR SOC SOLE MAPLEH MOLT TELCBOSH MOTOR MOIST5 NLISN NATO TOTHAT TUSELAHECT NNELDM10 LINETAIL ELEVATOR AlMARC TNLLCTANE IM PLTWOHDSTABSHIH50 MODEL AVIATION nbertaktr AMA COMBAT FOR SN ENGINE Left wIng/fuseiage assembly after covering Keep finish iight possibie light weight key good Combat fiier Right Taii assembly detaiis Note wire hinge tali eievator horn DARE unit center-fuseiage pushrod emergence tiOfl difference add inch wing core larger version Properly built Undertaker stable level flight also quick tightturning pulls hard lines good feel handle easy control either upwind downwind has virtually bad habits related line tension bobbing wobbling warp-sensitive con trol loss often associated high aspect ratio designs having thin airfoils strong enough survive minor crashes collisions frequently repairable after serious damage plane repairable fuse lage/tail assembly controls usually reusable unless its center-punched another plane Addition new wing cores easy because spar channel hidden under engine mount would difficult clean outoften re sults virtually new airplane couple hours work Careftil construction selection best materials will result Undertakers weigh around 21 oz including engine prop bladder tank extra attention detail weight can brought down 20 oz cost mate rials should less $10 per plane building time including cutting parts should no six hours once know technique Construction Start collecting together making up following components will become kit plane Refer plans detailed dimensions needed Plastic paper bladder tube Plastic tubes can ordered 25 Naemura 16320 SE Division Portland OR 97236 Outboard wing panel front core section enlarged bladder tube Inboard wing panel Wing panels 22 45-inspan airplane 23 47-in-span version Two 1/4 x -in spruce fir pine spars Fuselage controls installed Controls clude standard lead-outs Fox 3-in bellcrank No 6 bolt hinge pin bicycle spoke pushrod Spokes available bicycle shops about 104 Kwik-link metal threaded coupler completes horn end assembly Two fuselage tail doublers 3/32 plywood Two toothpicks Continued page 154 October 1985 67 DESIGNED BY JOHN THOMPSON ITRACING BY JOE DEMARCO IALL BIMMTN BEBNTVNO engine mount authors Fox Combat engine aiongside mount first assembied giued fuse iage needed baiance fact spar channei hidden beneath engine mount reduces wing replace ment time about couple hours Model Magic Epoxy Plus 2 Part 8 Mm Use anywhere two part epoxy used 25% Lighter Sandable Carveable Excellent Gap Filling Non-Sagging Superior Strength$fl95 Sands Carves like Basswood! Sf1 ozl Equal over 8 wt oz regular epoxys See dealer first write call IftK PO Box 19784 St Paul MN 551190 715425-13970 MODEL MAGIC PRODUCTS 0 Model Magic Filler Comparison Chart Model Magic Product X Excellent Adhesion Balsa Foam Fiberglass Strength Flexing Spreading Fuel Resistance Good Sanding As med balsa Hardness As hard balsa Finishing Any finish/covering Shelf Life till used up Tint Acceptance Excellent water Resist Excellent very Poor Soft balsa Soft balsa 5-7 inn very Poor Test methods data available request care enough fill very best insist Model Magic Filler Circus Magic Filler DGA DESIGNS qIbBody Pilot Kit oLightest Pilot available oLifeilke vinyl Ia tox rubber parts 0 Easy assemble finish Buiid either barnstormer sportsman pilot sKit contains pilot head hands boots helmet cap goggles full templates easy instructions Fuiiy positionable & moveable eSome simple sewing required WeightPrice 1/6 Scale2oz$ 795 1/4 Scale4oz*$ 995 1/3 Scale6 oz$1695 *Weightmay vary depending material used construction DGA DESIGNS Bust Pilot Kit Weight 1/6Scale 75oz 1/4Scale 15oz 1/3 Scale 225 oz Price 595 795 $1495 sLightest bust pilot available sLifeilke vinyl latex rubber parts sEasy assemble finish Buiid either barnstormer sportsman pilot Kit contains pilot head helmet cap goggles jacket instructions See deaier order direct Add $100 shipping direct orders Send $100 current catalog Dealers inquiries invited NYS Residents add 7 percent sales tax Send Check MO Allow 3 weeks check clear Sorry-No COD s Indoor flying sure affords lot ad vantages ie no noise no fumes no real dangers very low expense no sunburn no wind no rain dust Indoor flying has really big future make sure jump wave become expert before little boys girls discover fun swamp entry Tony should lucky Undertaker/Thompson Continued page 67 Two n maple engine mount beams Nacelle -in plywood Inboard wing tip eyelets installed Outboard wing tip Lead wing-tip weight tabilator made ftom x 36-in Sig tapered balsa stock 6-in hinge pin 3/32 music wire Two -in OD brass hinge pin stops Hinge bushing -in OD brass Large elevator horn Use Kraft RC tall horns order stainless steel fine-adjustment Combat horns Dark Ages Racing Equipment 200 W Franklin Ave Astoria OR 97103 Dont tempted use easier-to-find standard-size control horn too small Btind nuts favorite-size engine attach ment recommend No6 blind nuts bolts Sequence Cut wing panels hotwire cutter templates shown plans After panels cut out use rectangular templates core-out cavi ties Enlarge front outboard cavity install bladder tube Use 1-in drill bit sandpaper wrapped around large dowel enlarging hole using drill jig guide core prevent hole wandering An excellent ref erence work cut foam wing panels Gene Papes article FAWF AMA Combat plane April 1980 issue ModelAviation Save part foam block cut core will used later jig assembly Saw fuselage tail tail doublers tips engine mount pieces Put centerlines both sides fuselage locate toothpick guide holes Groove fuselage bellcrank post Assemble control system mount ing Fox bellcrank No 6 bolt using nuts top bottom hold place Bush lead-outs grommets brass tubing put bicycle spoke keeper down inner bellcrank arm hole long piece brass tubing cutjagged end serves good drill bit long pushrod exit hole through fuselage Some adjustment may needed get hole just right pushrod clear bellcrank possibly rod can bent bit obtain clearance Once practiced should able drill hole entire system operates freely right off Attach fuselage doublers cyanoacrylate CyA sand drill stall brass tube bushing Make sure get hole straight use drill press possible Install toothpicks fuselage holes wing-alignment guides Attach wing cores 5-min epoxy Use part foam blanks cut wing jig hold assembly straight gluing Using centerlines fuse lage guide make sure panels straight back wing spar notch should line up front fuselage cutout spar lays across fuselage butts up against back cutout Glue spars white glue prefer Pica Products Gluit sands easily spars can held place glue dries returning cores spars glue position blanks lined wax paper cut weight sandwich letthe glue dry Attach wing tip weight out board tip install both tips threading lead-outs through inboard tip eye lets templates designed slot back panel allow lead-outs travel through proper channels Dont tamper line rakeits key good line tension Run strip -in strapping tape diag onally front root back tip inboard side top bottom pre vent flexing short piece spanwise across fuselage center top bottom far back can go lie flat will significantly strengthen center section avoid damage minor crashes Put AMA numbers plane 154 Model Aviation $595 IS fI nz Fillets s Gap Filling Repair 51wu ml i iei inuccess. Tantrum ue radio controlled folding wing sailplane Computer aided aerodynamic design Easy assembly entional folding wings Folding wings maximum launch Hand launch high start slope soar Tantrum very light weight sophisticated sailplane 42 wingspan can easily built two ways entional sail p lane unique folding wing hinged polyhedraljoints experienced Hard hand launching does stress frame produce looping height trajectory outboard panels released upon command converting high performance sailplane Tantrum requires 2-channel radio standard servos receiver 100 mah battery pack deluxe kit includes hardware full sized plans complete building instructions parts machine cut precise fit List Price S3495 Ground Models Inc 606C W Anthony Drive Urbana Illinois 61B01 217367-7070 Distributor inquiries invited required AMA Safety Code cover cores FasCal using lowheat setting Attach tail using music wire hinge pin Glue brass hinge pin stops hinge pin CyA prevent sideways sliding elevator CyA-glue hinge pin elevator little baking soda may help secure sandthe joint wrap pin area FasCal scraps Cover whole tail FasCal can done single piece wrapped around Install elevator horn using Kraft horn put 1/32 plywood plate underneath prevent lifting under stress DARE horns dont need plate Finish tail boom FasCal other plastic covering Connect pushrod elevator horn Kwik-link Very little movement needed start out horn near top Kraft horn about five holes down DARE horn Glue maple engine bearers plywood rectangle nacelle cut out center fit assembly fuselage rear beams should butt up against spar Shape engine mount taper rear beams round front Rubberband engine mounted prop engine bolts onto engine mount Plug mount onto plane move engine forward backward until plane balances 25% wing chord about spars Mark engine mounting hole locations drill install blind nuts Attach engine mount slow-cure epoxy fill gaps later 5-min epoxy Finish mount exposed parts fuselage 5-min epoxy Drill access drain holes blad der tube fuel-proof holes Securely tie lead-out ends Hying should find new Under taker under control right out launch Some Kwik-link horn adjustment may needed equalize turns both directions find proper turn radius Resist temptation adjust too much elevator travel Too much travel will induce stall set up plane easy kill opponent large amount travel seems necessary get plane turn balanced nose-heavy Within limits can corrected tail weight plane nervous wont fly level tail-heavy elevator travel will have minimized Once Undertaker air flight-trimmed thing standing tween victory Combat circles plenty practice lots Combat flying CL Aerobatics/Fancher Continued page 68 Objective III items 2 through 8 worst waster line tension roll airplane banked toward pilot portion wings lift vectored 1981 World Soaring Champ DWIGHT HOLLEY FEATURES Sailpianes lous Electric Planes Thermal batic imer Sport Scale tric Gliders ASTROFtIGHT R ER MOTORS IN STOCK SANYO SANYO SANYO ery Special N 800AR Weigh 36 Grams N 12005C 62 Grams ee N 1 200SCR Red Jacket 52 Grams ea New Super Cell SANYO N 9005C weigh 39 grams same die 1200s % length will deliver least 950 MAHI HOLLEYS SILENT FLIGHT 203 748-0083 151 CHESTNUT RIDGE ROAD BETHEL CT 06801 ADAMS SPEED CDNTRDLLERS PNER OFLIGHT KELLER SH Now Offer l line German AlmostReady-To-Fly Sailpianes hottest slope scarer thermal F3B electric Gliders All kits include epoxy-fiberglass-fuselage wings stabs built special foam Obechi Veneer reinforced glass cloth All wings come Schlemp-Hirth Gradpner spoilers aileron pushrod tubes wing mounting system already stalled ready cover ASK FOR OUR SPECIAL CATALOG - $100 nwa man MODELS SOLD IN EUROPE C n S -I Features l. md four interchangable wings #1 VENUS STANDARD wingspan er airfoil thermal competition electric flight $185 #2 VENUS COMPACT wingspan er airfoil thermal slope gliding $180 #3 VENUS STUNT wingspan oil Eppler 374 thermal slope stuntflying electricflight $150 #4 VENUS COMPETITION118 spanAirfoil HO 2519 wlflaparons F3B high performance gliding .$195 #5 VENUS COMBI wings choice 100 wingspan 118 wingspan $250 HOLLEYS SILENT FLIGHT 203 748-0083 151 CHESTNUT RIDGE ROAD BETHEL CT 08801 October 1985 155 ELECTRIC MODEL SAILPLANE SPECIALISTS FEATURING ONLY STATE OFTHE ART ITEMb cALL OR WRITE FOR FREE DESCRIPTIVE FLYER ASTERIX good looking thermal macnine arem state art technology wingspan 114 Airfoil Eppler 387 asterix very good electric flight
Edition: Model Aviation - 1985/10
Page Numbers: 65, 66, 67, 154, 155
NO OCR TEXT Left Foam blank ready cutting wing cores roam construction uuu5 much reduce building time Right xampIes OT wing paneis aiready coredoutboard panel top inboard bottom See text details coring actually done ment other kinds modeling require Combat planes build must easy produce quickly addition demand planes fly tune state art practiced opponents Undertaker can mass-produced six hours less per airplane excellent performer design evolved influences number other Com bat planes designers Essentially took best features number airplanes combined met own personal specifications article purposefully much concept Combat models flying specific airplane Construction techniques use could adapted Combat fliers own particular favo rite layouts Though believe moments dimensions Undertaker almost ideal other fliers after building may want experiment different airfoils wing planforms materials meet own preferences began AMA Combat flying about 1978 Like beginners new event went through period searching plane suited started avariety all-balsa designs moved foam wings captivated credible performance foainies highaspect-ratio wings However after two years alternating exhilaration frus tration retreated concept came up own first design temporarily gave up tapered-wing foam ies because susceptibility linetens ion problems general unpre dictability slightest bit out trim first design Ax balsabased airplane foam leading edge foam LE essential able snag streamer leader string get now-standard wing kill plane rectangnlar wing planform fairly thick airfoil copied early design Phil Granderson Construction influenced designs Gene Pape Norm McFadden Once sorted out 42-in-span Ax met flying specifications absolutely predictable flight attitudes flew im mediately launch no matter wind direction turned well would fly acceptably warped poor trim ming damage also quick build Still Ax serious flaw efforts simplify lighten airplane much possible created design simply wasnt strong enough Though withstood flight stresses would explode contact another airplane ground Itwasbacktothe drawingboardforme wanted plane would fly build like Ax also sturdy enough withstand minor bumps bruises also wanted airplane parts could recycled reused after crashes collisions began look again direction foam wings strength also looking ultra-simple concept Gene Papes Dogfighterwhich emerged popular beginner quickbuild Combat plane Northwest thinking-out Undertaker tossed blender concepts foam strength wing kills tapered wing planform moderately-high aspect ratio good turning airfoil moments Ax predictable flight response simplicity Dogfighters con struction resulting airplane absolutely satisfactory its first prototype Since change have made building larger version 1984 Reno Nats am pleased both original 45-in-span version Reno 47-in version have settled prefer fly reason article contains instructions both construc 66 Model Aviation LeSt fuselage aster installing controls tail boom doublers toothpick alignment guides Right view os wing nears completion Outboard tip weight spars inboard lead-out guides have already installed installing wing tip next Full-Size Plans Available. See Page 164 MOTOR MYOSTSCORE RJTNHMMO WING PIT BLAHOBO COMPOETNENTLS MOESA SHEET TOP ANT BOTTOMlOT ELOWOQO- TOSH NSTALLATIOS ~ -S POORC ETOO STRAPPING TATE 1WINO OSLT C PROM C ENOTE ST HENTION ATE THE SAME TEMPLATES TOT NAHE THE NINA PANELSPUSTHOH ROOT WING CORE TEMPLATE TRIN AETE WITH OTTOISHO TIP WING CORE TEMPLATE IONA55 3032 PLO -j TJTNEO MACHOARDS 2 WING PLAN MOLT BELLOHASE PASTCOVETED WTM PASCAL STRINT H TIP CORING N SPAR NOTCH TEMPLATE ROOT CORING B SPAR NOTCH TEMPLATE j OSD MW MINSE PIN N OBASS TATE RINO PIT STOP STABILATOR SOC SOLE MAPLEH MOLT TELCBOSH MOTOR MOIST5 NLISN NATO TOTHAT TUSELAHECT NNELDM10 LINETAIL ELEVATOR AlMARC TNLLCTANE IM PLTWOHDSTABSHIH50 MODEL AVIATION nbertaktr AMA COMBAT FOR SN ENGINE Left wIng/fuseiage assembly after covering Keep finish iight possibie light weight key good Combat fiier Right Taii assembly detaiis Note wire hinge tali eievator horn DARE unit center-fuseiage pushrod emergence tiOfl difference add inch wing core larger version Properly built Undertaker stable level flight also quick tightturning pulls hard lines good feel handle easy control either upwind downwind has virtually bad habits related line tension bobbing wobbling warp-sensitive con trol loss often associated high aspect ratio designs having thin airfoils strong enough survive minor crashes collisions frequently repairable after serious damage plane repairable fuse lage/tail assembly controls usually reusable unless its center-punched another plane Addition new wing cores easy because spar channel hidden under engine mount would difficult clean outoften re sults virtually new airplane couple hours work Careftil construction selection best materials will result Undertakers weigh around 21 oz including engine prop bladder tank extra attention detail weight can brought down 20 oz cost mate rials should less $10 per plane building time including cutting parts should no six hours once know technique Construction Start collecting together making up following components will become kit plane Refer plans detailed dimensions needed Plastic paper bladder tube Plastic tubes can ordered 25 Naemura 16320 SE Division Portland OR 97236 Outboard wing panel front core section enlarged bladder tube Inboard wing panel Wing panels 22 45-inspan airplane 23 47-in-span version Two 1/4 x -in spruce fir pine spars Fuselage controls installed Controls clude standard lead-outs Fox 3-in bellcrank No 6 bolt hinge pin bicycle spoke pushrod Spokes available bicycle shops about 104 Kwik-link metal threaded coupler completes horn end assembly Two fuselage tail doublers 3/32 plywood Two toothpicks Continued page 154 October 1985 67 DESIGNED BY JOHN THOMPSON ITRACING BY JOE DEMARCO IALL BIMMTN BEBNTVNO engine mount authors Fox Combat engine aiongside mount first assembied giued fuse iage needed baiance fact spar channei hidden beneath engine mount reduces wing replace ment time about couple hours Model Magic Epoxy Plus 2 Part 8 Mm Use anywhere two part epoxy used 25% Lighter Sandable Carveable Excellent Gap Filling Non-Sagging Superior Strength$fl95 Sands Carves like Basswood! Sf1 ozl Equal over 8 wt oz regular epoxys See dealer first write call IftK PO Box 19784 St Paul MN 551190 715425-13970 MODEL MAGIC PRODUCTS 0 Model Magic Filler Comparison Chart Model Magic Product X Excellent Adhesion Balsa Foam Fiberglass Strength Flexing Spreading Fuel Resistance Good Sanding As med balsa Hardness As hard balsa Finishing Any finish/covering Shelf Life till used up Tint Acceptance Excellent water Resist Excellent very Poor Soft balsa Soft balsa 5-7 inn very Poor Test methods data available request care enough fill very best insist Model Magic Filler Circus Magic Filler DGA DESIGNS qIbBody Pilot Kit oLightest Pilot available oLifeilke vinyl Ia tox rubber parts 0 Easy assemble finish Buiid either barnstormer sportsman pilot sKit contains pilot head hands boots helmet cap goggles full templates easy instructions Fuiiy positionable & moveable eSome simple sewing required WeightPrice 1/6 Scale2oz$ 795 1/4 Scale4oz*$ 995 1/3 Scale6 oz$1695 *Weightmay vary depending material used construction DGA DESIGNS Bust Pilot Kit Weight 1/6Scale 75oz 1/4Scale 15oz 1/3 Scale 225 oz Price 595 795 $1495 sLightest bust pilot available sLifeilke vinyl latex rubber parts sEasy assemble finish Buiid either barnstormer sportsman pilot Kit contains pilot head helmet cap goggles jacket instructions See deaier order direct Add $100 shipping direct orders Send $100 current catalog Dealers inquiries invited NYS Residents add 7 percent sales tax Send Check MO Allow 3 weeks check clear Sorry-No COD s Indoor flying sure affords lot ad vantages ie no noise no fumes no real dangers very low expense no sunburn no wind no rain dust Indoor flying has really big future make sure jump wave become expert before little boys girls discover fun swamp entry Tony should lucky Undertaker/Thompson Continued page 67 Two n maple engine mount beams Nacelle -in plywood Inboard wing tip eyelets installed Outboard wing tip Lead wing-tip weight tabilator made ftom x 36-in Sig tapered balsa stock 6-in hinge pin 3/32 music wire Two -in OD brass hinge pin stops Hinge bushing -in OD brass Large elevator horn Use Kraft RC tall horns order stainless steel fine-adjustment Combat horns Dark Ages Racing Equipment 200 W Franklin Ave Astoria OR 97103 Dont tempted use easier-to-find standard-size control horn too small Btind nuts favorite-size engine attach ment recommend No6 blind nuts bolts Sequence Cut wing panels hotwire cutter templates shown plans After panels cut out use rectangular templates core-out cavi ties Enlarge front outboard cavity install bladder tube Use 1-in drill bit sandpaper wrapped around large dowel enlarging hole using drill jig guide core prevent hole wandering An excellent ref erence work cut foam wing panels Gene Papes article FAWF AMA Combat plane April 1980 issue ModelAviation Save part foam block cut core will used later jig assembly Saw fuselage tail tail doublers tips engine mount pieces Put centerlines both sides fuselage locate toothpick guide holes Groove fuselage bellcrank post Assemble control system mount ing Fox bellcrank No 6 bolt using nuts top bottom hold place Bush lead-outs grommets brass tubing put bicycle spoke keeper down inner bellcrank arm hole long piece brass tubing cutjagged end serves good drill bit long pushrod exit hole through fuselage Some adjustment may needed get hole just right pushrod clear bellcrank possibly rod can bent bit obtain clearance Once practiced should able drill hole entire system operates freely right off Attach fuselage doublers cyanoacrylate CyA sand drill stall brass tube bushing Make sure get hole straight use drill press possible Install toothpicks fuselage holes wing-alignment guides Attach wing cores 5-min epoxy Use part foam blanks cut wing jig hold assembly straight gluing Using centerlines fuse lage guide make sure panels straight back wing spar notch should line up front fuselage cutout spar lays across fuselage butts up against back cutout Glue spars white glue prefer Pica Products Gluit sands easily spars can held place glue dries returning cores spars glue position blanks lined wax paper cut weight sandwich letthe glue dry Attach wing tip weight out board tip install both tips threading lead-outs through inboard tip eye lets templates designed slot back panel allow lead-outs travel through proper channels Dont tamper line rakeits key good line tension Run strip -in strapping tape diag onally front root back tip inboard side top bottom pre vent flexing short piece spanwise across fuselage center top bottom far back can go lie flat will significantly strengthen center section avoid damage minor crashes Put AMA numbers plane 154 Model Aviation $595 IS fI nz Fillets s Gap Filling Repair 51wu ml i iei inuccess. Tantrum ue radio controlled folding wing sailplane Computer aided aerodynamic design Easy assembly entional folding wings Folding wings maximum launch Hand launch high start slope soar Tantrum very light weight sophisticated sailplane 42 wingspan can easily built two ways entional sail p lane unique folding wing hinged polyhedraljoints experienced Hard hand launching does stress frame produce looping height trajectory outboard panels released upon command converting high performance sailplane Tantrum requires 2-channel radio standard servos receiver 100 mah battery pack deluxe kit includes hardware full sized plans complete building instructions parts machine cut precise fit List Price S3495 Ground Models Inc 606C W Anthony Drive Urbana Illinois 61B01 217367-7070 Distributor inquiries invited required AMA Safety Code cover cores FasCal using lowheat setting Attach tail using music wire hinge pin Glue brass hinge pin stops hinge pin CyA prevent sideways sliding elevator CyA-glue hinge pin elevator little baking soda may help secure sandthe joint wrap pin area FasCal scraps Cover whole tail FasCal can done single piece wrapped around Install elevator horn using Kraft horn put 1/32 plywood plate underneath prevent lifting under stress DARE horns dont need plate Finish tail boom FasCal other plastic covering Connect pushrod elevator horn Kwik-link Very little movement needed start out horn near top Kraft horn about five holes down DARE horn Glue maple engine bearers plywood rectangle nacelle cut out center fit assembly fuselage rear beams should butt up against spar Shape engine mount taper rear beams round front Rubberband engine mounted prop engine bolts onto engine mount Plug mount onto plane move engine forward backward until plane balances 25% wing chord about spars Mark engine mounting hole locations drill install blind nuts Attach engine mount slow-cure epoxy fill gaps later 5-min epoxy Finish mount exposed parts fuselage 5-min epoxy Drill access drain holes blad der tube fuel-proof holes Securely tie lead-out ends Hying should find new Under taker under control right out launch Some Kwik-link horn adjustment may needed equalize turns both directions find proper turn radius Resist temptation adjust too much elevator travel Too much travel will induce stall set up plane easy kill opponent large amount travel seems necessary get plane turn balanced nose-heavy Within limits can corrected tail weight plane nervous wont fly level tail-heavy elevator travel will have minimized Once Undertaker air flight-trimmed thing standing tween victory Combat circles plenty practice lots Combat flying CL Aerobatics/Fancher Continued page 68 Objective III items 2 through 8 worst waster line tension roll airplane banked toward pilot portion wings lift vectored 1981 World Soaring Champ DWIGHT HOLLEY FEATURES Sailpianes lous Electric Planes Thermal batic imer Sport Scale tric Gliders ASTROFtIGHT R ER MOTORS IN STOCK SANYO SANYO SANYO ery Special N 800AR Weigh 36 Grams N 12005C 62 Grams ee N 1 200SCR Red Jacket 52 Grams ea New Super Cell SANYO N 9005C weigh 39 grams same die 1200s % length will deliver least 950 MAHI HOLLEYS SILENT FLIGHT 203 748-0083 151 CHESTNUT RIDGE ROAD BETHEL CT 06801 ADAMS SPEED CDNTRDLLERS PNER OFLIGHT KELLER SH Now Offer l line German AlmostReady-To-Fly Sailpianes hottest slope scarer thermal F3B electric Gliders All kits include epoxy-fiberglass-fuselage wings stabs built special foam Obechi Veneer reinforced glass cloth All wings come Schlemp-Hirth Gradpner spoilers aileron pushrod tubes wing mounting system already stalled ready cover ASK FOR OUR SPECIAL CATALOG - $100 nwa man MODELS SOLD IN EUROPE C n S -I Features l. md four interchangable wings #1 VENUS STANDARD wingspan er airfoil thermal competition electric flight $185 #2 VENUS COMPACT wingspan er airfoil thermal slope gliding $180 #3 VENUS STUNT wingspan oil Eppler 374 thermal slope stuntflying electricflight $150 #4 VENUS COMPETITION118 spanAirfoil HO 2519 wlflaparons F3B high performance gliding .$195 #5 VENUS COMBI wings choice 100 wingspan 118 wingspan $250 HOLLEYS SILENT FLIGHT 203 748-0083 151 CHESTNUT RIDGE ROAD BETHEL CT 08801 October 1985 155 ELECTRIC MODEL SAILPLANE SPECIALISTS FEATURING ONLY STATE OFTHE ART ITEMb cALL OR WRITE FOR FREE DESCRIPTIVE FLYER ASTERIX good looking thermal macnine arem state art technology wingspan 114 Airfoil Eppler 387 asterix very good electric flight
Edition: Model Aviation - 1985/10
Page Numbers: 65, 66, 67, 154, 155
NO OCR TEXT Left Foam blank ready cutting wing cores roam construction uuu5 much reduce building time Right xampIes OT wing paneis aiready coredoutboard panel top inboard bottom See text details coring actually done ment other kinds modeling require Combat planes build must easy produce quickly addition demand planes fly tune state art practiced opponents Undertaker can mass-produced six hours less per airplane excellent performer design evolved influences number other Com bat planes designers Essentially took best features number airplanes combined met own personal specifications article purposefully much concept Combat models flying specific airplane Construction techniques use could adapted Combat fliers own particular favo rite layouts Though believe moments dimensions Undertaker almost ideal other fliers after building may want experiment different airfoils wing planforms materials meet own preferences began AMA Combat flying about 1978 Like beginners new event went through period searching plane suited started avariety all-balsa designs moved foam wings captivated credible performance foainies highaspect-ratio wings However after two years alternating exhilaration frus tration retreated concept came up own first design temporarily gave up tapered-wing foam ies because susceptibility linetens ion problems general unpre dictability slightest bit out trim first design Ax balsabased airplane foam leading edge foam LE essential able snag streamer leader string get now-standard wing kill plane rectangnlar wing planform fairly thick airfoil copied early design Phil Granderson Construction influenced designs Gene Pape Norm McFadden Once sorted out 42-in-span Ax met flying specifications absolutely predictable flight attitudes flew im mediately launch no matter wind direction turned well would fly acceptably warped poor trim ming damage also quick build Still Ax serious flaw efforts simplify lighten airplane much possible created design simply wasnt strong enough Though withstood flight stresses would explode contact another airplane ground Itwasbacktothe drawingboardforme wanted plane would fly build like Ax also sturdy enough withstand minor bumps bruises also wanted airplane parts could recycled reused after crashes collisions began look again direction foam wings strength also looking ultra-simple concept Gene Papes Dogfighterwhich emerged popular beginner quickbuild Combat plane Northwest thinking-out Undertaker tossed blender concepts foam strength wing kills tapered wing planform moderately-high aspect ratio good turning airfoil moments Ax predictable flight response simplicity Dogfighters con struction resulting airplane absolutely satisfactory its first prototype Since change have made building larger version 1984 Reno Nats am pleased both original 45-in-span version Reno 47-in version have settled prefer fly reason article contains instructions both construc 66 Model Aviation LeSt fuselage aster installing controls tail boom doublers toothpick alignment guides Right view os wing nears completion Outboard tip weight spars inboard lead-out guides have already installed installing wing tip next Full-Size Plans Available. See Page 164 MOTOR MYOSTSCORE RJTNHMMO WING PIT BLAHOBO COMPOETNENTLS MOESA SHEET TOP ANT BOTTOMlOT ELOWOQO- TOSH NSTALLATIOS ~ -S POORC ETOO STRAPPING TATE 1WINO OSLT C PROM C ENOTE ST HENTION ATE THE SAME TEMPLATES TOT NAHE THE NINA PANELSPUSTHOH ROOT WING CORE TEMPLATE TRIN AETE WITH OTTOISHO TIP WING CORE TEMPLATE IONA55 3032 PLO -j TJTNEO MACHOARDS 2 WING PLAN MOLT BELLOHASE PASTCOVETED WTM PASCAL STRINT H TIP CORING N SPAR NOTCH TEMPLATE ROOT CORING B SPAR NOTCH TEMPLATE j OSD MW MINSE PIN N OBASS TATE RINO PIT STOP STABILATOR SOC SOLE MAPLEH MOLT TELCBOSH MOTOR MOIST5 NLISN NATO TOTHAT TUSELAHECT NNELDM10 LINETAIL ELEVATOR AlMARC TNLLCTANE IM PLTWOHDSTABSHIH50 MODEL AVIATION nbertaktr AMA COMBAT FOR SN ENGINE Left wIng/fuseiage assembly after covering Keep finish iight possibie light weight key good Combat fiier Right Taii assembly detaiis Note wire hinge tali eievator horn DARE unit center-fuseiage pushrod emergence tiOfl difference add inch wing core larger version Properly built Undertaker stable level flight also quick tightturning pulls hard lines good feel handle easy control either upwind downwind has virtually bad habits related line tension bobbing wobbling warp-sensitive con trol loss often associated high aspect ratio designs having thin airfoils strong enough survive minor crashes collisions frequently repairable after serious damage plane repairable fuse lage/tail assembly controls usually reusable unless its center-punched another plane Addition new wing cores easy because spar channel hidden under engine mount would difficult clean outoften re sults virtually new airplane couple hours work Careftil construction selection best materials will result Undertakers weigh around 21 oz including engine prop bladder tank extra attention detail weight can brought down 20 oz cost mate rials should less $10 per plane building time including cutting parts should no six hours once know technique Construction Start collecting together making up following components will become kit plane Refer plans detailed dimensions needed Plastic paper bladder tube Plastic tubes can ordered 25 Naemura 16320 SE Division Portland OR 97236 Outboard wing panel front core section enlarged bladder tube Inboard wing panel Wing panels 22 45-inspan airplane 23 47-in-span version Two 1/4 x -in spruce fir pine spars Fuselage controls installed Controls clude standard lead-outs Fox 3-in bellcrank No 6 bolt hinge pin bicycle spoke pushrod Spokes available bicycle shops about 104 Kwik-link metal threaded coupler completes horn end assembly Two fuselage tail doublers 3/32 plywood Two toothpicks Continued page 154 October 1985 67 DESIGNED BY JOHN THOMPSON ITRACING BY JOE DEMARCO IALL BIMMTN BEBNTVNO engine mount authors Fox Combat engine aiongside mount first assembied giued fuse iage needed baiance fact spar channei hidden beneath engine mount reduces wing replace ment time about couple hours Model Magic Epoxy Plus 2 Part 8 Mm Use anywhere two part epoxy used 25% Lighter Sandable Carveable Excellent Gap Filling Non-Sagging Superior Strength$fl95 Sands Carves like Basswood! Sf1 ozl Equal over 8 wt oz regular epoxys See dealer first write call IftK PO Box 19784 St Paul MN 551190 715425-13970 MODEL MAGIC PRODUCTS 0 Model Magic Filler Comparison Chart Model Magic Product X Excellent Adhesion Balsa Foam Fiberglass Strength Flexing Spreading Fuel Resistance Good Sanding As med balsa Hardness As hard balsa Finishing Any finish/covering Shelf Life till used up Tint Acceptance Excellent water Resist Excellent very Poor Soft balsa Soft balsa 5-7 inn very Poor Test methods data available request care enough fill very best insist Model Magic Filler Circus Magic Filler DGA DESIGNS qIbBody Pilot Kit oLightest Pilot available oLifeilke vinyl Ia tox rubber parts 0 Easy assemble finish Buiid either barnstormer sportsman pilot sKit contains pilot head hands boots helmet cap goggles full templates easy instructions Fuiiy positionable & moveable eSome simple sewing required WeightPrice 1/6 Scale2oz$ 795 1/4 Scale4oz*$ 995 1/3 Scale6 oz$1695 *Weightmay vary depending material used construction DGA DESIGNS Bust Pilot Kit Weight 1/6Scale 75oz 1/4Scale 15oz 1/3 Scale 225 oz Price 595 795 $1495 sLightest bust pilot available sLifeilke vinyl latex rubber parts sEasy assemble finish Buiid either barnstormer sportsman pilot Kit contains pilot head helmet cap goggles jacket instructions See deaier order direct Add $100 shipping direct orders Send $100 current catalog Dealers inquiries invited NYS Residents add 7 percent sales tax Send Check MO Allow 3 weeks check clear Sorry-No COD s Indoor flying sure affords lot ad vantages ie no noise no fumes no real dangers very low expense no sunburn no wind no rain dust Indoor flying has really big future make sure jump wave become expert before little boys girls discover fun swamp entry Tony should lucky Undertaker/Thompson Continued page 67 Two n maple engine mount beams Nacelle -in plywood Inboard wing tip eyelets installed Outboard wing tip Lead wing-tip weight tabilator made ftom x 36-in Sig tapered balsa stock 6-in hinge pin 3/32 music wire Two -in OD brass hinge pin stops Hinge bushing -in OD brass Large elevator horn Use Kraft RC tall horns order stainless steel fine-adjustment Combat horns Dark Ages Racing Equipment 200 W Franklin Ave Astoria OR 97103 Dont tempted use easier-to-find standard-size control horn too small Btind nuts favorite-size engine attach ment recommend No6 blind nuts bolts Sequence Cut wing panels hotwire cutter templates shown plans After panels cut out use rectangular templates core-out cavi ties Enlarge front outboard cavity install bladder tube Use 1-in drill bit sandpaper wrapped around large dowel enlarging hole using drill jig guide core prevent hole wandering An excellent ref erence work cut foam wing panels Gene Papes article FAWF AMA Combat plane April 1980 issue ModelAviation Save part foam block cut core will used later jig assembly Saw fuselage tail tail doublers tips engine mount pieces Put centerlines both sides fuselage locate toothpick guide holes Groove fuselage bellcrank post Assemble control system mount ing Fox bellcrank No 6 bolt using nuts top bottom hold place Bush lead-outs grommets brass tubing put bicycle spoke keeper down inner bellcrank arm hole long piece brass tubing cutjagged end serves good drill bit long pushrod exit hole through fuselage Some adjustment may needed get hole just right pushrod clear bellcrank possibly rod can bent bit obtain clearance Once practiced should able drill hole entire system operates freely right off Attach fuselage doublers cyanoacrylate CyA sand drill stall brass tube bushing Make sure get hole straight use drill press possible Install toothpicks fuselage holes wing-alignment guides Attach wing cores 5-min epoxy Use part foam blanks cut wing jig hold assembly straight gluing Using centerlines fuse lage guide make sure panels straight back wing spar notch should line up front fuselage cutout spar lays across fuselage butts up against back cutout Glue spars white glue prefer Pica Products Gluit sands easily spars can held place glue dries returning cores spars glue position blanks lined wax paper cut weight sandwich letthe glue dry Attach wing tip weight out board tip install both tips threading lead-outs through inboard tip eye lets templates designed slot back panel allow lead-outs travel through proper channels Dont tamper line rakeits key good line tension Run strip -in strapping tape diag onally front root back tip inboard side top bottom pre vent flexing short piece spanwise across fuselage center top bottom far back can go lie flat will significantly strengthen center section avoid damage minor crashes Put AMA numbers plane 154 Model Aviation $595 IS fI nz Fillets s Gap Filling Repair 51wu ml i iei inuccess. Tantrum ue radio controlled folding wing sailplane Computer aided aerodynamic design Easy assembly entional folding wings Folding wings maximum launch Hand launch high start slope soar Tantrum very light weight sophisticated sailplane 42 wingspan can easily built two ways entional sail p lane unique folding wing hinged polyhedraljoints experienced Hard hand launching does stress frame produce looping height trajectory outboard panels released upon command converting high performance sailplane Tantrum requires 2-channel radio standard servos receiver 100 mah battery pack deluxe kit includes hardware full sized plans complete building instructions parts machine cut precise fit List Price S3495 Ground Models Inc 606C W Anthony Drive Urbana Illinois 61B01 217367-7070 Distributor inquiries invited required AMA Safety Code cover cores FasCal using lowheat setting Attach tail using music wire hinge pin Glue brass hinge pin stops hinge pin CyA prevent sideways sliding elevator CyA-glue hinge pin elevator little baking soda may help secure sandthe joint wrap pin area FasCal scraps Cover whole tail FasCal can done single piece wrapped around Install elevator horn using Kraft horn put 1/32 plywood plate underneath prevent lifting under stress DARE horns dont need plate Finish tail boom FasCal other plastic covering Connect pushrod elevator horn Kwik-link Very little movement needed start out horn near top Kraft horn about five holes down DARE horn Glue maple engine bearers plywood rectangle nacelle cut out center fit assembly fuselage rear beams should butt up against spar Shape engine mount taper rear beams round front Rubberband engine mounted prop engine bolts onto engine mount Plug mount onto plane move engine forward backward until plane balances 25% wing chord about spars Mark engine mounting hole locations drill install blind nuts Attach engine mount slow-cure epoxy fill gaps later 5-min epoxy Finish mount exposed parts fuselage 5-min epoxy Drill access drain holes blad der tube fuel-proof holes Securely tie lead-out ends Hying should find new Under taker under control right out launch Some Kwik-link horn adjustment may needed equalize turns both directions find proper turn radius Resist temptation adjust too much elevator travel Too much travel will induce stall set up plane easy kill opponent large amount travel seems necessary get plane turn balanced nose-heavy Within limits can corrected tail weight plane nervous wont fly level tail-heavy elevator travel will have minimized Once Undertaker air flight-trimmed thing standing tween victory Combat circles plenty practice lots Combat flying CL Aerobatics/Fancher Continued page 68 Objective III items 2 through 8 worst waster line tension roll airplane banked toward pilot portion wings lift vectored 1981 World Soaring Champ DWIGHT HOLLEY FEATURES Sailpianes lous Electric Planes Thermal batic imer Sport Scale tric Gliders ASTROFtIGHT R ER MOTORS IN STOCK SANYO SANYO SANYO ery Special N 800AR Weigh 36 Grams N 12005C 62 Grams ee N 1 200SCR Red Jacket 52 Grams ea New Super Cell SANYO N 9005C weigh 39 grams same die 1200s % length will deliver least 950 MAHI HOLLEYS SILENT FLIGHT 203 748-0083 151 CHESTNUT RIDGE ROAD BETHEL CT 06801 ADAMS SPEED CDNTRDLLERS PNER OFLIGHT KELLER SH Now Offer l line German AlmostReady-To-Fly Sailpianes hottest slope scarer thermal F3B electric Gliders All kits include epoxy-fiberglass-fuselage wings stabs built special foam Obechi Veneer reinforced glass cloth All wings come Schlemp-Hirth Gradpner spoilers aileron pushrod tubes wing mounting system already stalled ready cover ASK FOR OUR SPECIAL CATALOG - $100 nwa man MODELS SOLD IN EUROPE C n S -I Features l. md four interchangable wings #1 VENUS STANDARD wingspan er airfoil thermal competition electric flight $185 #2 VENUS COMPACT wingspan er airfoil thermal slope gliding $180 #3 VENUS STUNT wingspan oil Eppler 374 thermal slope stuntflying electricflight $150 #4 VENUS COMPETITION118 spanAirfoil HO 2519 wlflaparons F3B high performance gliding .$195 #5 VENUS COMBI wings choice 100 wingspan 118 wingspan $250 HOLLEYS SILENT FLIGHT 203 748-0083 151 CHESTNUT RIDGE ROAD BETHEL CT 08801 October 1985 155 ELECTRIC MODEL SAILPLANE SPECIALISTS FEATURING ONLY STATE OFTHE ART ITEMb cALL OR WRITE FOR FREE DESCRIPTIVE FLYER ASTERIX good looking thermal macnine arem state art technology wingspan 114 Airfoil Eppler 387 asterix very good electric flight