Cheater Slow

a WHEN STARTED showing up Com bat meets NW early ver sions Cheater Slow few assumed could legal Slow Com bat plane superior existing equipment Close inspection nitpickers verified plane legal keep guessing thought good idea hang cheater label plane Ugly say beauty comes through opponent cant follow through maneuvers following can turn him having use full control Ive won lot matches design long ago quit looking ugly Slow Combat very good starting point anyone interested getting kind flying novice fliers re quire complete building instructions article such As concession custom describe construction what really rather illogical sequence mean could working fuselage glue drying Slow good way get started Combatand its great fun itself wellknown flier/designer pre sents thoroughly proved airplane U Dan Rutherford wing assembling tank etc follow directions below letter far sequence concerned would take several days build plane can build two three evenings less So have built planes type before feel free skip around Construction First cut out wood parts Its just easy cut out everything now youll simply assembling parts later piece cut out now lite-ply available Sig used doubler inboard forward side fuselage Wing hint cutting trailing edge pieces cut out 3-in wide sheet start truing up edge sheet ing metal yardstick Make cut close edge possible Now move yardstick cut top TE piece piece left over will enough bottom TE pieceexactly what want build mostly Hot Stuff gluing TE pieces much easier wick glue joint bottom piece protruding slightly wing completed simple matter trim bottom piece using top piece guide can build plans Cover Saran Wrap first simply draw straight line building board faced Celotex available lumber stores line used line up TE pieces vertical lines erected line used locate ribs Now frame wing laminated center rib 3 ribs -in thick should have its spar slots cut out also slot A-sq spruce used aft bellcrank 24 Model Aviation Ins ~neater iow usea win ins rjarinwus negionai meei IO ins oiaer moasi rox since repiacea wITn upertigre u- JO 5flOWfl other photos Note inboard tank penchant see-through covering Dan used FasCalother plastic films OK Richard Lopez pic II mount Pin bottom TE piece building board being sure forward edge piece lined up straight ref erence line board plans glue three center ribs other Hot Stuff Five-minute epoxy ap plied two -in slots assembly bellcrank mount bottom spar slipped slots Dont wait epoxy set up Immediately lay rib/spar assembly board glue bottom TE piece Hot Stuff once properly lined up weight placed center rib will hold position un til epoxy set Notice spar sits flat board does entire rib spar back took idea several Rich von Lopezs recent designs doesnt seem hurt per formance airfoil utilizing flat board perfect simple jig -sq LE piece glued center ribs sure LE aligned properly directions before gluing Hot Stuff perfect joint assuming parts cut fit accurately Since mentioned build mostly Hot Stuff Ill specify hereafter glue used Hot Stuff Starting center either wing pan el place ribs half-ribs place glue working way tip ribs glued add top TE piece top spar now glued init wise use epoxy spar/center rib joint especi ally joint loose fit Prepare bellcrank assembly taching leadouts cutting off out board end bellcrank shown plans use middle hole pushrod want movement bellcrank same amount move ment elevator use hole closest pivot point easy try both set ups same plane naked con struction may look strange leaves controls accessible Bend crank end 1/16 pushrod use 075 want drill platform mounting bolt install con trols 5-minute epoxy glue plat form -sq bottom spar subspar Mark rib leadout location use hand-held paper punch make holes Thread leadouts through holes remove wing building board pushrod installed glue triangular piece 3/32 balsa acts guide pushrod also gives bit structure attach covering LE carved shape tips installed Leadout guides tip simply short lengths brass tubing secured micro-balloons Hot Stuff tack guide place Hot Stuff pile micro-balloons tubing add couple drops Hot Stufi Sand wing over ready cover No didnt forget tip weight required longer inboard panel cover FasCal other plas tic films acceptable FasCal tough relatively cheap cover tip rib tip rib cover tips Monokote color tips makes plane bit easier see have look during match Check wing carefully warps sighting rear TE should appear centered warp design no tolerant warps other Fuselage No need extras Slow Combat plane Start laying out straight reference line 1 inch edge parallel piece /2 X 3 balsa reference line outline fuse cut out nose section lay place pre-cut motor mounts diala-turn linkage consists Rocket CityThe pushrod fairlead dowel inserted fuse clevis DuBro threaded rod Permits preciselage U-shaped wire wrapped place adjustmentepoxied May1977 25 Dan gives mighty flip Gary Stevens holds Cheater Slow Dans technique fast starts back flip rather forward Works best cold flooded engines Lopez pic Dan allows bellcrenk installation looks naked says sure increases accessibility mark outlines fuse cut out accept mounts now ig nore wing cutout mounts glued place 5-minute epoxy Get glued straight square other V8 lite-ply spacer doubler glued inboard side fuse Best way to cut piece length over size rest way around Lay fuse spacer glue Lay scrap piece a place nose fuse against spacer Glue place cut off both excess ply a want ply spacer may extended rear act doubler joint between balsa fuse maple motor mount does help keep fuse piece installing wing trial-fit engine should show bottom its case hits lite-ply spacer Cut out spacer clear using plans pictures engine guide Dont worry about losing strength cutting center out spacer front end shown strong enough out doublersthe shown simply used spacer keep engines case riding directly tank Make wing cutout accurately possible Too tight fit will cause prob lems fitting wingtight fit may cause fuse split apart Too loose fit makes difficult glue wing parallel reference line adds unnecessary weight slop epoxy Remove covering center rib three -in ribs Slip fuse wing glue place 5-minute epoxy Double-check sure fuse straight angles glue dry drill three -in holes location shown plans through both motor mounts fuse/wing Cut three pieces /4-in dowel length dab plenty 5-minute epoxy holes quickly pos sible insert dowels Tail Surfaces stab elevator cut out 3/16 balsa outline sanded LE stab TE elevator rounded little trick probably very common Combat circles Look plans youll see TE stab LE elevator beveled bottom top Make bevels fairly sharp hinge line avoid binding Covering hinging stab done operation use Monokote plastic film fine previ ously mentioned FasCal also works well Lay stab elevator flat right side up bench butt up another Cover entire stab/elevator piece film Flip assembly over fold partially hinged elevator over onto top stab cover bottom again using piece film covering done lay assembly flat again youll done itinContinued page 94 26 Model Aviation Top Tank removed show profile holed accept case engine Virtue inboard tsnk permits engine mounted closer wing decreasing usual tendency nose-heavy condition Middle 4-oz Pylon SS-4 clunk tank normally used RC Above Underneath view shows gear mounting tank rubberbanded place fuel feed line think its always tall corn Picture thermal rising bubble air resembles invisible hot air bal loon As thermal breaks ground its direction movement flight whims windexactly th track hot-air balloon Now visua lize plane circling within ther mal staying confined within bubble As thermal rises also drifts downwind speed windin case 10 mph As lazily winding way upward downwardthere comes point decision has made head backand head ing back now wind Now both KA-6 floater enjoying same thermal both fliers equal skill both planes would same alti tude KA-6 would flying three times airspeed rather obvious has advan tage getting back launch site lets run through some figures also obvious floater flies 10 mph order achieve L/D 101 flying fasterthat decreasing angle attackthe airspeed will increase glide ratio will decrease rate sink will also increase Lets say glide ratio drops 71 L/D now 71 13mph Now back thermal Lets further say both planes launches nor mal height hooked same thermal now five minutes flight Altitude now 700 feet after five minutes launch release 10-mph wind both planes 4500 ft downwind KA-6 its higher L/D should make back launch point still 550 feet above ground Meanwhile floater hopes get back has increase its speed Its original flying speed 10 mph matched wind therefore will make zero mph over ground before mentioned increase speed 13 mph best plane can combine L/D 71 planes speed over ground 19 ft/sec minus winds 15 ft/sec 4 ft/sec would take floater over 18 minutes get back fieldif didnt run out airspace alas above figures floater does run out after covering approximately 2800 ft its tall corn landing Next month well discuss ballasting improve performance some usually lighter wing-loaded planes Dan Pruss Rt 2 Box 490 Plainfield iL 60544 Cheater Slow/Rutherford continued page 26 top fuse also acts reinforcement fuse itself two rudder pieces cut out being sanded provide offset shown glued together 3/8 X 1/2 top piece notched clear rudder offset rudder assembly just glued onto side fuse notch top piece rudder ugly works Dont leave off Before final installation linkage tank engine etc put couple coats dope exposed wood much re quired just enough fuel-proof thing Use clear dope expect good performance colored dope just too heavy Linkage want use normal con trol-horn set-up have found linkage shown much superior adjustment elevator travel can pre cisely dialed-in hit miss control horn call linkage shown Dial-A-Turn Give try youll like Heres First pick up package Rocket City Aileron Swivel Links stock No 69 Du Bro threaded pushrod split coupling sleeve long 4-40 bolt Make two doublers 1/32 ply plans show 1/16 generally use 1/32 glue place Drill 3/32 hole through doublers stab Screw 4-40 bolt hole cluding hinging no air gap between snug up nut washer epoxy surfaces type hinge strong top bottom Although plans show free action easy bolt straight try angle bit forRemove covering stab ward point attachment beglues fuse glue stab/elevator tween pushrod over hinge assembly place certain assembly line located squarely hinge line both Rocket City clevis screwed onto sides should equi-distant TE DuBro threaded rod too- far wing stab should parallel want some adjustment clevis wing sighted rear attach button screwed onto 4-40 bolt 3/8 X 1/2 piece now glued the clevis hooked up button top fuse notched rear belicrank stab neu clear stab rounded front tral position cut length pushrod simulate canopy seems satisfy wing Using good solder plenty think such silly thing heat DuBro split coupling sleeve phony canopy adds anything Slow join two pushrods Combat event case piece very own Dial-A-Turn hooked rather handy makes mounting up try controls see much up stab much stronger simply gluing down have total movement 94Aviation Model Kraftsmanship kit processed AAMCO GOLD BALSAThis Trainer will blow apart hits ground GREATEST B/C BASIC TBAINER Design & Kit ALL TIME Ask over 25000 satisfied builders H-BAY dealers sold themSHALL WE SAY MORE Andresvs Aircraft Model Co Inc US Rte 1& North St Topsfield Mass 01983 887-8541 Support AMA Price $3495 kit per dollar- har ens * DONT THROW IT AWAY * * RECYCLE rtising * R/C TRADERT * BUY * Every Issue items * Subscription Rates - 1-yr 2-yr * Low Advertising Rates 12e/word cribers 18/word subscribers * Find What Want Reading * Find What Need Advertising I/C TRIflER TM PO Box 833 East Lansing Michigan 48823 about right starters own will probably too much too little control system allows full adjustment suit tastes pushrod guide absolute necessity drill hole through fuse glue piece dowel make Ushaped piece 1/32 wire wire wrapped onto dowel wrapping wire epoxied pretty works Engine Fuel System placement tank inboard side fuse isnt unusual people using because allows moving en gine back bit towards wing helps get rid nose heavy condition seen Slow Combat designs tank Pylon SS-4 clunk normally used RC planes tank works better have tried cheap easy make mount vibration doesnt bother no solder joints break leak 4-oz capacity gives engine runs over 5 minutessuper engine runs needle set properly later Look pics single vent goes top forward inboard-most corner tank assembling tank sure vent closed off due being jammed against tank no need having vent go up above tank cut vent off short leaving straight piece about long protruding plug tank feed line per tank instructions Just sure clunk weight will reach both top bottom corners tank external brass feed line bent goes straight needle valve way prop Use fuel filter Wire clips bent 1/32 wire go fuse behind engine rubberbands attached hold tank position regard blind nuts too much trouble install would interfere tank anyway use sheet metal screws work fine Obtain #6 X ead sheet-metal screws pilot hole required 3/32 works fine Punch holes install engine screws will go hard first time will work easier afterwards Use screws will mean drilling out mounting bolt holes engine should using #6 screws anyway use blind nuts Miscdlaneous Install engine Doublecheck warps sure prop clears tank its assorted lines So far engine prefer Slow Combat newest version Supertigre G-21 35 has adequate power starts easily draws fuel very well important event limit ed suction feed props have choices RevUp 9 X 7 fine although quite hard find decent quantities However very best prop have found Slow CoinDO THE HOBBYPOXY TWO STEP easy way Standoff Finish~* Brush coat Hobbypoxy color Brush another coat 2 Hobbypoxy color Okay okay its really simple almost should sand balsa before step let paint dry thoroughly sand before step two Will settle Hobbypoxy four-step Seriously method will give tougher flexible fuel proof super-shinier finish half-dozen coats dope will Cheaper quicker too Its ideal weekend flyer whos hurry get air will have dope-happy buddies eating hearts out best results view two feet away better finish add another coat fwo finish looks perfect under microscope send free booklet Hobbyposy Painting Pointers HDHIYPUNY PRODUCTS bat Taipan 9 X 6 really pulls through maneuvers just generally works great modification neces sary remove flashing LE TE prop wont get cut flipping As rule NW go con servative nitro Slow Combat yet seem fly fast anybody else Speed important thing Combat especially Slow Combat Much im portant easy starts one-flip kind needle settings easy get consistent runs maneuver maneu ver match match So rarely use fuel nitro content 20% use either Nitrotane 20% Aldrichs Division Pettit Paint Co Inc 25 Pine Street Rockaway NJ 07866 Magnum 10% Both fuels excellent Magnum giving longer runs same amount fuel prob lem 4 oz tank Cheater Slow itll give 5-minute-plus runs fuel something consider use smaller tanks Flying Im hoping have followed recommendations motor tank etc because plane designed combination mind stance use lighter motor will find out field tail-heavy plane Might quite exciting first minute before crash definitely situa tion avoidedmore May1977 95 GOOF PROOF TRIM SHEETS iron-on goof merely re-heat lift re-posi tion 5 x36 red e ow ge aluminum e drab dayglow orange low yellow VERITE 2779 Philmont Ave Huntingdon Valley Pa 19006 Fill tank through feed line means removing tubing needle thats OK since tank will require refueling during course match tank full put tubing back needle pinch tubing off clothes pin etc style tank likes siphon will quickly flood engine helper holding plane remove clip line start motor Now comes strange part style tank needle must set very lean ground lean engine sags almost Just lean out until fingers say Stop lean out bit youll close plane launched go level few laps engine goes bit rich its probably OK far setting concerned plane level flight check sure flying wings level youve got warp Its up whether try maneuvers warped wing best wait until warp removed plane straight go ahead wring out Make mental notes flies turns OK insides kind wide outsides remember adjust linkage suit plane straight will hang out lines very well have way too much control So ad just linkage give more travel until plane bogs down slightly turns back off little give tightest fastest turns possible plane works very well wig gly maneuvers now gaining popularity West Coast So try flying rather jerky fashion doing lots rever sals direction quick succession practice flying try force myself never complete half loop let alone full loop both easy maneuvers someone follow through never lazy 8this maneuver extremely easy follow unless can bottoms foot off ground watching plane case lazy 8s great way suck oppo sition ground first flight also keep track engine runs cuts rich out side loops too rich tank still has fuel 2 oz engine quits engine completely broken well broken-in engine previous ly suggested props tank made per plans pictures 10% 20% fuel right needle setting can expect super runs engine will run con stant speed through maneuver can dream up setting will go lean end tank CL Speed/Snyder continued page 29 market new K&B 29 Super tigre 29X both super engines have rear exhausts dont use minipipe can get exhaust out airplane Its imperative rule proposal modified include minipipes otherwise newly-designed en gines ones appropriate event will able used au thor finds suggested rule change #64 minimal value other weight restriction safety purposes comments invited sincerely hope concerned fliers have notified respective district reps presenting objections sugges tions Its too late rule passed addition might bad idea have 24-month moratorium rule changes applicable control-line speed order obtain status quo allow us evaluate current position would appreciated following formation would provided read ers order assist column pre senting pertinent facts 1 Name address phone number editors currently producing arti cles circulars UC speed informa tion 2 Photographs special designs pro pellers handy hints incorporated column produotrviwproductrviwprodoctrviewproductreviw Streamlined Wheels Made low density tough resilient polymer material will stand shock abuse high-speed landings wheels ideal competitive racing events two sizes1A 1A diameterthe fuel proof material molded onto precision machined aluminum hubs Weight lowdrag wheel 1/5 oz smaller size ideal RC CL especially Goodyear larger wheels good such events Rat Race Big Goodyear Slow Ratalso meets rules Midget RC Pylon Product brochure avail able 13c Wheels may purchased mail $195 per pair postpaid Kustom Kraft manship P 0 Box 2699 Laguna Hills CA 92653 productreviewproducireviewproduvtreviewproductrsviw 3 Sources obtaining Monoline equipment speed pans fuel switches tuned pipes fiberglass propellers 4 Engine specialists interested ob taining engine rework well list customers have winners Nationals last two years using engines Last least daughter Re bekah Jr age 12 has demanding equal time 76 Nationals report won first C-Speed record flight 16477 mph first B-Proto record flight 13235 mph promise wont ever bring up again Flash Just received old friend Joe Klause Kustom Kraftsmanship P 0 Box 2699 Laguna Hills CA 92653 four pairs new racing wheels patterned after old Dons racing wheels have become impossible find light magnificently put gether Sam Snyder 1041 E Pico Fresno CA 93704 CL Aerobatics/Paul continued page 30 Specialties Tom Lay offering re work OS Max 35 stunt engine states will modify piston head venturi needle valve hand lap piston sleeve precision assemble engine Oneflip starts smooth steady power will result Ill have old style OS mufflers available soon Prices $1000 re work new engine plus postage Used engines reworked $1000 plus parts postage Address T&L Model Special ties P0 Box 6052 Torrance CA 90504 Incidentally Tom built 010 stunter 96 Model Aviation

a WHEN STARTED showing up Com bat meets NW early ver sions Cheater Slow few assumed could legal Slow Com bat plane superior existing equipment Close inspection nitpickers verified plane legal keep guessing thought good idea hang cheater label plane Ugly say beauty comes through opponent cant follow through maneuvers following can turn him having use full control Ive won lot matches design long ago quit looking ugly Slow Combat very good starting point anyone interested getting kind flying novice fliers re quire complete building instructions article such As concession custom describe construction what really rather illogical sequence mean could working fuselage glue drying Slow good way get started Combatand its great fun itself wellknown flier/designer pre sents thoroughly proved airplane U Dan Rutherford wing assembling tank etc follow directions below letter far sequence concerned would take several days build plane can build two three evenings less So have built planes type before feel free skip around Construction First cut out wood parts Its just easy cut out everything now youll simply assembling parts later piece cut out now lite-ply available Sig used doubler inboard forward side fuselage Wing hint cutting trailing edge pieces cut out 3-in wide sheet start truing up edge sheet ing metal yardstick Make cut close edge possible Now move yardstick cut top TE piece piece left over will enough bottom TE pieceexactly what want build mostly Hot Stuff gluing TE pieces much easier wick glue joint bottom piece protruding slightly wing completed simple matter trim bottom piece using top piece guide can build plans Cover Saran Wrap first simply draw straight line building board faced Celotex available lumber stores line used line up TE pieces vertical lines erected line used locate ribs Now frame wing laminated center rib 3 ribs -in thick should have its spar slots cut out also slot A-sq spruce used aft bellcrank 24 Model Aviation Ins ~neater iow usea win ins rjarinwus negionai meei IO ins oiaer moasi rox since repiacea wITn upertigre u- JO 5flOWfl other photos Note inboard tank penchant see-through covering Dan used FasCalother plastic films OK Richard Lopez pic II mount Pin bottom TE piece building board being sure forward edge piece lined up straight ref erence line board plans glue three center ribs other Hot Stuff Five-minute epoxy ap plied two -in slots assembly bellcrank mount bottom spar slipped slots Dont wait epoxy set up Immediately lay rib/spar assembly board glue bottom TE piece Hot Stuff once properly lined up weight placed center rib will hold position un til epoxy set Notice spar sits flat board does entire rib spar back took idea several Rich von Lopezs recent designs doesnt seem hurt per formance airfoil utilizing flat board perfect simple jig -sq LE piece glued center ribs sure LE aligned properly directions before gluing Hot Stuff perfect joint assuming parts cut fit accurately Since mentioned build mostly Hot Stuff Ill specify hereafter glue used Hot Stuff Starting center either wing pan el place ribs half-ribs place glue working way tip ribs glued add top TE piece top spar now glued init wise use epoxy spar/center rib joint especi ally joint loose fit Prepare bellcrank assembly taching leadouts cutting off out board end bellcrank shown plans use middle hole pushrod want movement bellcrank same amount move ment elevator use hole closest pivot point easy try both set ups same plane naked con struction may look strange leaves controls accessible Bend crank end 1/16 pushrod use 075 want drill platform mounting bolt install con trols 5-minute epoxy glue plat form -sq bottom spar subspar Mark rib leadout location use hand-held paper punch make holes Thread leadouts through holes remove wing building board pushrod installed glue triangular piece 3/32 balsa acts guide pushrod also gives bit structure attach covering LE carved shape tips installed Leadout guides tip simply short lengths brass tubing secured micro-balloons Hot Stuff tack guide place Hot Stuff pile micro-balloons tubing add couple drops Hot Stufi Sand wing over ready cover No didnt forget tip weight required longer inboard panel cover FasCal other plas tic films acceptable FasCal tough relatively cheap cover tip rib tip rib cover tips Monokote color tips makes plane bit easier see have look during match Check wing carefully warps sighting rear TE should appear centered warp design no tolerant warps other Fuselage No need extras Slow Combat plane Start laying out straight reference line 1 inch edge parallel piece /2 X 3 balsa reference line outline fuse cut out nose section lay place pre-cut motor mounts diala-turn linkage consists Rocket CityThe pushrod fairlead dowel inserted fuse clevis DuBro threaded rod Permits preciselage U-shaped wire wrapped place adjustmentepoxied May1977 25 Dan gives mighty flip Gary Stevens holds Cheater Slow Dans technique fast starts back flip rather forward Works best cold flooded engines Lopez pic Dan allows bellcrenk installation looks naked says sure increases accessibility mark outlines fuse cut out accept mounts now ig nore wing cutout mounts glued place 5-minute epoxy Get glued straight square other V8 lite-ply spacer doubler glued inboard side fuse Best way to cut piece length over size rest way around Lay fuse spacer glue Lay scrap piece a place nose fuse against spacer Glue place cut off both excess ply a want ply spacer may extended rear act doubler joint between balsa fuse maple motor mount does help keep fuse piece installing wing trial-fit engine should show bottom its case hits lite-ply spacer Cut out spacer clear using plans pictures engine guide Dont worry about losing strength cutting center out spacer front end shown strong enough out doublersthe shown simply used spacer keep engines case riding directly tank Make wing cutout accurately possible Too tight fit will cause prob lems fitting wingtight fit may cause fuse split apart Too loose fit makes difficult glue wing parallel reference line adds unnecessary weight slop epoxy Remove covering center rib three -in ribs Slip fuse wing glue place 5-minute epoxy Double-check sure fuse straight angles glue dry drill three -in holes location shown plans through both motor mounts fuse/wing Cut three pieces /4-in dowel length dab plenty 5-minute epoxy holes quickly pos sible insert dowels Tail Surfaces stab elevator cut out 3/16 balsa outline sanded LE stab TE elevator rounded little trick probably very common Combat circles Look plans youll see TE stab LE elevator beveled bottom top Make bevels fairly sharp hinge line avoid binding Covering hinging stab done operation use Monokote plastic film fine previ ously mentioned FasCal also works well Lay stab elevator flat right side up bench butt up another Cover entire stab/elevator piece film Flip assembly over fold partially hinged elevator over onto top stab cover bottom again using piece film covering done lay assembly flat again youll done itinContinued page 94 26 Model Aviation Top Tank removed show profile holed accept case engine Virtue inboard tsnk permits engine mounted closer wing decreasing usual tendency nose-heavy condition Middle 4-oz Pylon SS-4 clunk tank normally used RC Above Underneath view shows gear mounting tank rubberbanded place fuel feed line think its always tall corn Picture thermal rising bubble air resembles invisible hot air bal loon As thermal breaks ground its direction movement flight whims windexactly th track hot-air balloon Now visua lize plane circling within ther mal staying confined within bubble As thermal rises also drifts downwind speed windin case 10 mph As lazily winding way upward downwardthere comes point decision has made head backand head ing back now wind Now both KA-6 floater enjoying same thermal both fliers equal skill both planes would same alti tude KA-6 would flying three times airspeed rather obvious has advan tage getting back launch site lets run through some figures also obvious floater flies 10 mph order achieve L/D 101 flying fasterthat decreasing angle attackthe airspeed will increase glide ratio will decrease rate sink will also increase Lets say glide ratio drops 71 L/D now 71 13mph Now back thermal Lets further say both planes launches nor mal height hooked same thermal now five minutes flight Altitude now 700 feet after five minutes launch release 10-mph wind both planes 4500 ft downwind KA-6 its higher L/D should make back launch point still 550 feet above ground Meanwhile floater hopes get back has increase its speed Its original flying speed 10 mph matched wind therefore will make zero mph over ground before mentioned increase speed 13 mph best plane can combine L/D 71 planes speed over ground 19 ft/sec minus winds 15 ft/sec 4 ft/sec would take floater over 18 minutes get back fieldif didnt run out airspace alas above figures floater does run out after covering approximately 2800 ft its tall corn landing Next month well discuss ballasting improve performance some usually lighter wing-loaded planes Dan Pruss Rt 2 Box 490 Plainfield iL 60544 Cheater Slow/Rutherford continued page 26 top fuse also acts reinforcement fuse itself two rudder pieces cut out being sanded provide offset shown glued together 3/8 X 1/2 top piece notched clear rudder offset rudder assembly just glued onto side fuse notch top piece rudder ugly works Dont leave off Before final installation linkage tank engine etc put couple coats dope exposed wood much re quired just enough fuel-proof thing Use clear dope expect good performance colored dope just too heavy Linkage want use normal con trol-horn set-up have found linkage shown much superior adjustment elevator travel can pre cisely dialed-in hit miss control horn call linkage shown Dial-A-Turn Give try youll like Heres First pick up package Rocket City Aileron Swivel Links stock No 69 Du Bro threaded pushrod split coupling sleeve long 4-40 bolt Make two doublers 1/32 ply plans show 1/16 generally use 1/32 glue place Drill 3/32 hole through doublers stab Screw 4-40 bolt hole cluding hinging no air gap between snug up nut washer epoxy surfaces type hinge strong top bottom Although plans show free action easy bolt straight try angle bit forRemove covering stab ward point attachment beglues fuse glue stab/elevator tween pushrod over hinge assembly place certain assembly line located squarely hinge line both Rocket City clevis screwed onto sides should equi-distant TE DuBro threaded rod too- far wing stab should parallel want some adjustment clevis wing sighted rear attach button screwed onto 4-40 bolt 3/8 X 1/2 piece now glued the clevis hooked up button top fuse notched rear belicrank stab neu clear stab rounded front tral position cut length pushrod simulate canopy seems satisfy wing Using good solder plenty think such silly thing heat DuBro split coupling sleeve phony canopy adds anything Slow join two pushrods Combat event case piece very own Dial-A-Turn hooked rather handy makes mounting up try controls see much up stab much stronger simply gluing down have total movement 94Aviation Model Kraftsmanship kit processed AAMCO GOLD BALSAThis Trainer will blow apart hits ground GREATEST B/C BASIC TBAINER Design & Kit ALL TIME Ask over 25000 satisfied builders H-BAY dealers sold themSHALL WE SAY MORE Andresvs Aircraft Model Co Inc US Rte 1& North St Topsfield Mass 01983 887-8541 Support AMA Price $3495 kit per dollar- har ens * DONT THROW IT AWAY * * RECYCLE rtising * R/C TRADERT * BUY * Every Issue items * Subscription Rates - 1-yr 2-yr * Low Advertising Rates 12e/word cribers 18/word subscribers * Find What Want Reading * Find What Need Advertising I/C TRIflER TM PO Box 833 East Lansing Michigan 48823 about right starters own will probably too much too little control system allows full adjustment suit tastes pushrod guide absolute necessity drill hole through fuse glue piece dowel make Ushaped piece 1/32 wire wire wrapped onto dowel wrapping wire epoxied pretty works Engine Fuel System placement tank inboard side fuse isnt unusual people using because allows moving en gine back bit towards wing helps get rid nose heavy condition seen Slow Combat designs tank Pylon SS-4 clunk normally used RC planes tank works better have tried cheap easy make mount vibration doesnt bother no solder joints break leak 4-oz capacity gives engine runs over 5 minutessuper engine runs needle set properly later Look pics single vent goes top forward inboard-most corner tank assembling tank sure vent closed off due being jammed against tank no need having vent go up above tank cut vent off short leaving straight piece about long protruding plug tank feed line per tank instructions Just sure clunk weight will reach both top bottom corners tank external brass feed line bent goes straight needle valve way prop Use fuel filter Wire clips bent 1/32 wire go fuse behind engine rubberbands attached hold tank position regard blind nuts too much trouble install would interfere tank anyway use sheet metal screws work fine Obtain #6 X ead sheet-metal screws pilot hole required 3/32 works fine Punch holes install engine screws will go hard first time will work easier afterwards Use screws will mean drilling out mounting bolt holes engine should using #6 screws anyway use blind nuts Miscdlaneous Install engine Doublecheck warps sure prop clears tank its assorted lines So far engine prefer Slow Combat newest version Supertigre G-21 35 has adequate power starts easily draws fuel very well important event limit ed suction feed props have choices RevUp 9 X 7 fine although quite hard find decent quantities However very best prop have found Slow CoinDO THE HOBBYPOXY TWO STEP easy way Standoff Finish~* Brush coat Hobbypoxy color Brush another coat 2 Hobbypoxy color Okay okay its really simple almost should sand balsa before step let paint dry thoroughly sand before step two Will settle Hobbypoxy four-step Seriously method will give tougher flexible fuel proof super-shinier finish half-dozen coats dope will Cheaper quicker too Its ideal weekend flyer whos hurry get air will have dope-happy buddies eating hearts out best results view two feet away better finish add another coat fwo finish looks perfect under microscope send free booklet Hobbyposy Painting Pointers HDHIYPUNY PRODUCTS bat Taipan 9 X 6 really pulls through maneuvers just generally works great modification neces sary remove flashing LE TE prop wont get cut flipping As rule NW go con servative nitro Slow Combat yet seem fly fast anybody else Speed important thing Combat especially Slow Combat Much im portant easy starts one-flip kind needle settings easy get consistent runs maneuver maneu ver match match So rarely use fuel nitro content 20% use either Nitrotane 20% Aldrichs Division Pettit Paint Co Inc 25 Pine Street Rockaway NJ 07866 Magnum 10% Both fuels excellent Magnum giving longer runs same amount fuel prob lem 4 oz tank Cheater Slow itll give 5-minute-plus runs fuel something consider use smaller tanks Flying Im hoping have followed recommendations motor tank etc because plane designed combination mind stance use lighter motor will find out field tail-heavy plane Might quite exciting first minute before crash definitely situa tion avoidedmore May1977 95 GOOF PROOF TRIM SHEETS iron-on goof merely re-heat lift re-posi tion 5 x36 red e ow ge aluminum e drab dayglow orange low yellow VERITE 2779 Philmont Ave Huntingdon Valley Pa 19006 Fill tank through feed line means removing tubing needle thats OK since tank will require refueling during course match tank full put tubing back needle pinch tubing off clothes pin etc style tank likes siphon will quickly flood engine helper holding plane remove clip line start motor Now comes strange part style tank needle must set very lean ground lean engine sags almost Just lean out until fingers say Stop lean out bit youll close plane launched go level few laps engine goes bit rich its probably OK far setting concerned plane level flight check sure flying wings level youve got warp Its up whether try maneuvers warped wing best wait until warp removed plane straight go ahead wring out Make mental notes flies turns OK insides kind wide outsides remember adjust linkage suit plane straight will hang out lines very well have way too much control So ad just linkage give more travel until plane bogs down slightly turns back off little give tightest fastest turns possible plane works very well wig gly maneuvers now gaining popularity West Coast So try flying rather jerky fashion doing lots rever sals direction quick succession practice flying try force myself never complete half loop let alone full loop both easy maneuvers someone follow through never lazy 8this maneuver extremely easy follow unless can bottoms foot off ground watching plane case lazy 8s great way suck oppo sition ground first flight also keep track engine runs cuts rich out side loops too rich tank still has fuel 2 oz engine quits engine completely broken well broken-in engine previous ly suggested props tank made per plans pictures 10% 20% fuel right needle setting can expect super runs engine will run con stant speed through maneuver can dream up setting will go lean end tank CL Speed/Snyder continued page 29 market new K&B 29 Super tigre 29X both super engines have rear exhausts dont use minipipe can get exhaust out airplane Its imperative rule proposal modified include minipipes otherwise newly-designed en gines ones appropriate event will able used au thor finds suggested rule change #64 minimal value other weight restriction safety purposes comments invited sincerely hope concerned fliers have notified respective district reps presenting objections sugges tions Its too late rule passed addition might bad idea have 24-month moratorium rule changes applicable control-line speed order obtain status quo allow us evaluate current position would appreciated following formation would provided read ers order assist column pre senting pertinent facts 1 Name address phone number editors currently producing arti cles circulars UC speed informa tion 2 Photographs special designs pro pellers handy hints incorporated column produotrviwproductrviwprodoctrviewproductreviw Streamlined Wheels Made low density tough resilient polymer material will stand shock abuse high-speed landings wheels ideal competitive racing events two sizes1A 1A diameterthe fuel proof material molded onto precision machined aluminum hubs Weight lowdrag wheel 1/5 oz smaller size ideal RC CL especially Goodyear larger wheels good such events Rat Race Big Goodyear Slow Ratalso meets rules Midget RC Pylon Product brochure avail able 13c Wheels may purchased mail $195 per pair postpaid Kustom Kraft manship P 0 Box 2699 Laguna Hills CA 92653 productreviewproducireviewproduvtreviewproductrsviw 3 Sources obtaining Monoline equipment speed pans fuel switches tuned pipes fiberglass propellers 4 Engine specialists interested ob taining engine rework well list customers have winners Nationals last two years using engines Last least daughter Re bekah Jr age 12 has demanding equal time 76 Nationals report won first C-Speed record flight 16477 mph first B-Proto record flight 13235 mph promise wont ever bring up again Flash Just received old friend Joe Klause Kustom Kraftsmanship P 0 Box 2699 Laguna Hills CA 92653 four pairs new racing wheels patterned after old Dons racing wheels have become impossible find light magnificently put gether Sam Snyder 1041 E Pico Fresno CA 93704 CL Aerobatics/Paul continued page 30 Specialties Tom Lay offering re work OS Max 35 stunt engine states will modify piston head venturi needle valve hand lap piston sleeve precision assemble engine Oneflip starts smooth steady power will result Ill have old style OS mufflers available soon Prices $1000 re work new engine plus postage Used engines reworked $1000 plus parts postage Address T&L Model Special ties P0 Box 6052 Torrance CA 90504 Incidentally Tom built 010 stunter 96 Model Aviation