Phoo9rphy Oy BEFORE begin brief introduction history Honcho design want make important point like have already looked plans pictures youve probably noticed few things some what unusual 2A FFpressure floodoff fuel system sidewinder engine mount auto surfaces may have immediately come conclusion dont need stuff make model fly thats just something else go wrong its interesting dont understand Let try convince otherwise auto surface mechanism Honcho extremely simple requires no special materials machine shop dont think good contest model could declared foolproof worry lot about own goofing up about plane letting down set-up can get consistent climb pattern transition glide important especially fly short seven- five-second motor runs used design has placed national competition experts model Anyone has built flown few kit models should ready try So youre thinking over quick introduction Honcho Honcho series began fall 1967 several years prior flying larger floater-type models degree suc cess more impressed style model first saw Canada small high-powered planes high pylons rear fins seemed ideally suited three-minute-max contests becoming commonplace Midwest first Honcho tiny 180 sq TD-powered Much surprise flew right off board Eventually 48 Model Aviation 3132 SOYAHE SPASCE TOP B GOTTESS USE BALSA IN TIPS -1 VA WASH OUT 1 \ V7 N V63 VA U P16 TYPVA 110 m 232 SHEET SPLIT BOWEL PEYS -1/32 PLY \%LAY REACE \V6f DTYPTYP V32 TOP 2-S/A VA WASP OUT-I VP WASH IN- _________ CENTER VAR PLY TIP 232 PLY1/16 SPSH SIPESHAL MACESI 232 RLBAER REVS- CEsI POWER-I PLY 16525 REST VA VA LAHECAPAL LAYOUT 3132 GMAT --I/I6S I/Al SPRUCE SCALE TO FIT WINS \hJIIl1lIhItiCU,, VERY PUPS216 PLY ST STOP hit l5 ljI26TSP AUTTOWVl6 31Av vAOU-O RECES [v32][b-1-10-1-10]]A5O AREA IAREArAUTO SURFACE WARES VA B ~74 SB SABPLSOA SPARS 31MMACC 3132ALLSA TAMA IBAUUPI-lAP PLY 35165 80*23PYLON TO HEREFI *P-ABA SIPASPES CA ERE LOP BM- UPEES15 136 SEPSlAB BE MASS SSBERA2SPYLBSAPESAPR MASS ASPEYREST ~.- [ZIVXZZ2ZSABREYBSE UPPERBOTTOMOLEWpp~ TARE RETAIL26 PLY STAB PERFECT MAPLE MO CAR MOUSTS BOTTOM BlEW VP SPARSE MESS PAStAS PAl SIPPLY ABTA EPEPY ALLEY RASPER SYPAS NA SUALE ALAS SAP tZZZii!I77ZZZ32VAR SLY SPRY VA TSP 16BATTOW26SY IREWY LiflIZZ 2-SB S/AC SPIT 216 AAPRL ALABI TARE 232 TIPAPRS PLY WPPRES 6 PLY rziIZIZIIIIIZixx11PR SABLESUR-SLY ILIThLARL PEW eyI] 032 ALUPS PITYPABS ALL MATERIAL BALSA EXCEPT AS NOTES VP 3/AI/A DOWELVA SHEET232 TYP216 ISP RIPS HONCHO 1/2 COMPETITION DESIGN DESGNED B DRAWN BY Rd KLUIBER TRACING BY JOE DEMARCO AA--1j\fwJ VP OUPEL 2S2PL1BA yBS SiRE co C%I w CD 4 0 w w Cd w -J 4 -J 4 ci z 4 -J 0 w N C0 -j -J proved too small consistency needed successful contest flying 400 sq TD-15powered ship scaled up /3A model placed second 1969 Nats Phila delphia Since Honcho has built sizes classes 02 payload Class C has continued well including first B several other places various Nats As recently 1978 Nats Lake Charles LA Honchos placed third hA third Auto surfaces added ships starting 1970 Once again can thank Canadian friends original auto serface arrangement although have made some modifi cations Likewise Honcho design has changed over years although basic layout remains much same use particular engine/auto surface set-up requires TD 049 KirnKraft needle valve assembly pressurized backplate preferably enlarged venturi items may available through local hobby shops can obtain Joe Klause Kustom Kraftsmanship may also want look line completely reworked TD engines have used some time may set back few dollars really worthwhile investment engine will easier tune stands gain some power well end article list several sources competition items may want try Construction Wing Stab relatively straight forward structure should present problems however few particulars would like cover especially may have built wing stab using diagonal union-jack type construction regard wing make spar notches ribs main panels prior construction Glue diagonal ribs tip ribs notches cut notches time razor straightedge using plan July 1980 49 3/32 PANG TIP VA SQUARE 3/32 ASS PLY MAPUES 216 SQUARE3 Left In glide mode stabilizer up rudder right after cams released Right power mode stabilizer down rudder left held bands aluminum cams Once trimmed Honcho requires no attention average contest ship notches main panel ribs guide Also note full depth braces wing joints also 1/32 sheet web between top bottom main spars also think much better build washout washin wing panels very beginning rather attempting twist doping using steam same basic procedure holds true stab Notch straight ribs prior con struction cut notches diagonals after glued place may seem tedious process will make much accurate construction really easier long run will probably help make some practice notches scrap wood order insure good fit spars Cover wing stab good grade Japanese tissue After covering before doping mount various keys hooks etc wing stab Mount /s dowel rear stab carving filing half-round groove trailing edge area epoxying dowel Reinforce area patch silk Give wing three four coats nitrate dope cut 50-50 Two three coats stab will Fuelproof epoxy polyurethane finish can thinned somewhat try brush very sparingly except areas likely come contact exhaust spary such bottom center wing along front stab Fuselage Essentially body profile Starduster type layout built flat its side except some variations nose area beam mounts strong easy install allow use pressurized Thackdoor essential part engine/timer auto-surface operation sequence body construction follows Pin down quarter-grain sheet 1/16 X 3 balsa body side Draw body profile sheet Glue op bottom longerons nose tail Add some s sq uprights nose supports pylon Add 1/32 X s strips longerons rear body order center sub rudder Make up pylon hard t add pruce strips top pylon Glue pylon Add second s sq longerons top bottom run rear pylon sub rudder begins Add sub rudder Add 1/32 X ps top sub rudder Add motor mounts Have engine handy point check snug fit between mounts Make slight adjustments necessary before glue sets Cut out hole pylon body side below tank go tank will taken care later best make space now Add final ongerons top bottom run rear motor mounts rear body Add 4 high spacer between mounts nose some prights pylon area Add 1/16 X t formers Add 1/16 body side side perfectly flat course because motor mounts So work carefully area make sure body side follows contour mounts Add a cheek ply timer mount Remove body board Make up tank fit place right body side pressure line should end up running along outside body point just past front body Hollow out t cheek cover tank pressure line completes nose structure rudder formed bending sides around vertical spar Glue sides spar first pull edges together Eyeball rudder warped cut edges apart try again Mount rudder body very slight amount offset rightabout 1/32 Make sure absolutely no hint left turn rudderthis important suggest cover body rear pylon tail tissue add remaining hardware Refer plans pictures installing auto surface mechanisms Make sure alumi num fittings rotate freely excessive play Use four narrow cloth hinges attach auto rudder sub rudder use auto rudder stops FAI Supply epoxied onto side sub rudder addition drill tap stops 2-56 bolt sol can actually bolt onto sub rudder Having stop come loose ship under power convinced trust anything less critical area youre still sure about auto surface set-up heres works rubberband goes 1/16 dowel body side up over box down around 50 Model Aviation Rudy uses flood-off method engine run controlnote floodoff tube pressure line just behind cylinder auto-surface wires attach arm timer flood-off under extra armspressure line back door front body Use particular engine/auto-surface set-up requires TD 049 KirnKraft needle valve assembly sources given Framing relatively straightforward Text pre sents simple accurate methodsforduplica ting diagonal union jack construction flying surfaces Youll find useful tips test flying power job equipped auto surfacesperhaps new some us fuse back up dowel second band B goes dowel down around bottom body up over l rear stab around aluminum cam mounted body side auto line timer engaged cam maintains tension band B holding stab down power setting auto line released band B released allowing stab kick up until /s dowel comes contact band stretched across top box glide setting DT fuse burns through band stab pops up way DT position like manner band C running second aluminum fitting wire horn holds auto rudder power setting band C released auto rudder pulled glide setting band D timer Tatone floodoff mounted upside down additional arm mounted next extra arm holds down flood-off tubing auto surface wires engage arm timer itself Finish front end sealer two three coats epoxy polyurethane last item should auto lines Make 008 stranded control line Loop wires through aluminum fittings wrap copper wire solder run wires through tube guides nose Form loops other end fit over timer arm Some purists may balk having auto lines hanging out open world see means thing run inside body prefer having outside makes easier installation troubleshooting replace ment Besides model several hundred feet up bouncing along some lift cant see wires lines engaged timer arm aluminum fittings should position indicated plans Bend flood-off tube 1/16 brass Solder brass tab tube can bolted onto engine Also solder short th 1/16 ID brass tubing onto rear end flood-off tube provide tight fit surgical tubing coming tank pressure line short length tubing running pressure fitting rear crankcase cover engine tubing tank extends just past front body Trimming Now have new little gem done its time run out field some flying right Wrong Now iss time thor oughly check out engine/timer/auto surface setup partly become comfortable setup make sure works properly first experience auto surfaces may seem awful lot rubberbands arms cams etc take care Dont let throw Thats normal reaction once get whole operation will become quite automatic Check everything engine running flood-off release should occur about half second before auto surface release can adjusted bending extra arm over floodoff line closer farther away timer arm Okay now lets go flying Pick calm morning evening Begin auto surfaces glide setting adjust steady right-hand glide using auto rudder some stab tilt ships actual current settings 3/16 right stab tilt 5/16 right rudder Continued page 120 July 1980 51 Small plywood fitting serves dethermalizer stop Strategically placed tubing guide keeps stabilizer bands off auto-surface wires C Radial Engine Immediate delivery $4QQ catalog products TECHNOPOWER II INC IS~OSOUIH 104th AVRNUE OR[AND PARK WNO h0462 finals Fourth place 538 preliminary races run give everyone chance get some flying six entrants werent hurry just said everyone will fly back-toback qualifying flights will take six finals used qualifying heats kind get sorted Out finals strong must point out six entrants contest two K&B 58s Mike Grebbs remainder HP 36s 40s short-stroke crank make legal-size engine local guys cornered contest wouldnt let go until given piece mind seems opinion dont mention local Houston racing people enough intimated maybe heritage might suspect unless said FACTORY AUTHORIZED SEA VICE FOR ALL OF THE FOLLOWING BRANDS Acet Aero Sport Cannon Cirrus Kraft World Engines EK Logictrol Micro Avionics Pro Line Orbit Mathes D&D RS Systems Royal Simprop Jerobee PECKS MODEL MENAGERIE PEA NUT SCALE KITS $395 PE ENPO GPO MON ANDREASON TURBULENTGANAGOBIE MUSTANGCOUGAR LEOZERO COMPLETE CATALOG $100if 1GUIDE TO RUBBER MOOBL SUPPUES - bu Cant igire P 0 BOX 3498MA -A LA MESA CALIF 92041 714 489-8675 7141 4424636 something about Houston racing people column Well just wouldnt understand feel uncomfortable blowing own horn Im part order make peace among natives goes giant colossal great statement Please understand Im doing soothe ego least local flier OK goes want race got Houston mean best is just look results last fun fly Nats-winning times Houston has won Rat Nats times trophies automatically made up Ron Esmans name Goodyear current Nats champ Houstonian Slow Rat will year So spell race H-O-U-S-T-O-N course Good griefi just re-read think Im going sick sure hope helps John dont anybody Out get down doing W R Lee 3522 Tamarisk Ln Missouri City TX 77459 FF HONCHO/KLuIBER co ntinued page 51 1/16 negative stab incidence Now sneaky part Obviously first power flight auto surface model can pretty hairy So ago came up trimming method makes first couple flights relatively safe took model already trimmed out set auto surfaces power position gave model series test glides working backwards manner able observe model already trim would behave test glides could make untested ship behave similarly test glides could predict safe initial power flight call power gliding Heres works First get auto surfaces power settings actual settings 1/16 left rudder zero stab incidence Now pick out spot ground about 40 feet front glide model atthespotwith agoodfirmlaunchMuchharder would ordinarily test glide Make sure keep nose slightly below horizontal release model should go straight spot 20 30 feet nose should slowly come up over right ship slows down should no left bank tendency no abrupt stall Adjust auto rudder stab incidence achieve Repeat power gliding until youre sure getting desired reaction nose coming slowly up perhaps three four feet around right may require 15 20 glides absolutely certain youve got what want Make sure no breeze affect testing Once power glide looks good model ready flown Power flights should begin wiht about twosecond full-power engine run Always launch near vertical position slightly right wind model should climb straight away leaning slightly right Dont worry too muCh about transition glide until have increased engine run about five seconds point model heels over sharply semi wingover motor cuts auto surfaces coming too quickly after flood-off model stalls too long delay after flood-off before auto surfaces move Adjust spacing two arms timer accord ingly get proper transition should able adjust power pattern Honcho really groove suggestion Dutch roll stair-climbing way up turn seven seconds under power about right last suggestion flight ready release model look down stab auto rudder sure set properly leave snap rolls Pitts Specials Once trimmed model wons require attention average contest ship hope will pleased its performance Should anyone wish contact concerning article address Rudy Kluiber 2021 Lakeland Ave Lakewood OH 44107 Listed some sources engines props may wish try 120 Model Aviation INDIAN CITY RADIO CONTROL CLUB PRESENTS GREATER MICHIGAN MODELERS SHOW & EXPO II PLANESBOATSCARS MANUFACTURERS STA TIC DISPLAYSSWAP SHOP October 34 5 1980 West Eight Mile Artillery Armory Oak Park Nlichigan \ut horized Qdio 9ontrol ervice Don McCarthy ALSO WARRANTY SERVICE EXPERT SER VICE FOR ALL BRANDS Factory trained technicians over 15 years Radio Control Electronics HOURS Closed Sun & Mon lOam-8 pmWedFri lOam-6 pm Sat 10 am-2 pm 714 639-8886 941 N MAIN ST. ORANGE CALIFORNIA 92667 REPUBLIC SEABEE o MR Gs PRODUCTS 1100 Michigan Box 161 Marysville MI 48040 Wing Span 70 Complete Hardware Epoxy Glass Retractable Gear 40 Powered Factors Kustom Krartsmanship Box 2699 Lagana Hills CA 92653 Engines engine rework L Machine Service 5847 N 67th St Milwaukee WI 53218 Engine rework K & W Enterprises 7824 Lexington Ave Philadelphia PA 19152 Fiberglass props FF DURATION/MEUSER continued page 53 plete blow-by-blow account type con struction perhaps few tips will help What want to first lay ribs slanting way follow up laying ribs slanting other way glue shrinkage humidity changes virtually guaranteed end up warps proper way first lay symmetrical zigzag ribs follow zigzag displaced right followed another left forth until run out ribs way left-handed glue joints right-handed ones warping unlikely Ribs can pre-notched bookkeeping seems overwhelming keeping track ribs notched whether top bottom alternative simply notch go can virtually guarantee omit notch fact will make itself abundantly apparent will take appropriate action So sense system seems fail-safe leading edge trailing edge bunch ribs wing make spars too required again conceivably could notch ribs spars before assembly starts simpler way least bookkeeping view point spar notching after ribs place ribs could conceivably shaped final profiles before assembly again seems appropriate simply install ribs balsa rectangles sand shape after wards properly shaped sanding block sandpaper glued plus template two would worthwhile investment time Ribless construction revisited Dave Gibson came up interesting variation Look Ma no ribs theme few months back came up idea some time ago trying simplify model building younger set sketch tells story key idea standard-size strip-wood used 4c\A 40 RIO $4299 61 RIO $6750 span-wise members leading edge trailing edge spars top-surface spar doesnt stick up far enough just prop up degree required get airfoil section choice Several people have questioned torsional rigidity such structures Unless go 1CALE geodetic construction about 90% torsional rigidity wing ends up results stiffness imparted covering torsional resistance framework essentially nil no reason expect ribless con struction would better worse July 1980 121 5% $595 10% $795 15% $850 ZIPS 00000thru49999350 500001hru79999250 80000thru99999175 California150 PRICES SUBJECT TO CHANGE July 29-25 juillut Uttawa UMarlo CANADA / 4 4/ AIIM PAIN ca*gave Acres Ad SCALE 80 PX 80X 9284 AtTA VSTA POSTAL STN OTTAWAONTARIO CANADA KIG ST9 ElitE CUAUMUIEUI y ITTAWA AUTISM CAUM
Edition: Model Aviation - 1980/07
Page Numbers: 48, 49, 50, 51, 120, 121
Phoo9rphy Oy BEFORE begin brief introduction history Honcho design want make important point like have already looked plans pictures youve probably noticed few things some what unusual 2A FFpressure floodoff fuel system sidewinder engine mount auto surfaces may have immediately come conclusion dont need stuff make model fly thats just something else go wrong its interesting dont understand Let try convince otherwise auto surface mechanism Honcho extremely simple requires no special materials machine shop dont think good contest model could declared foolproof worry lot about own goofing up about plane letting down set-up can get consistent climb pattern transition glide important especially fly short seven- five-second motor runs used design has placed national competition experts model Anyone has built flown few kit models should ready try So youre thinking over quick introduction Honcho Honcho series began fall 1967 several years prior flying larger floater-type models degree suc cess more impressed style model first saw Canada small high-powered planes high pylons rear fins seemed ideally suited three-minute-max contests becoming commonplace Midwest first Honcho tiny 180 sq TD-powered Much surprise flew right off board Eventually 48 Model Aviation 3132 SOYAHE SPASCE TOP B GOTTESS USE BALSA IN TIPS -1 VA WASH OUT 1 \ V7 N V63 VA U P16 TYPVA 110 m 232 SHEET SPLIT BOWEL PEYS -1/32 PLY \%LAY REACE \V6f DTYPTYP V32 TOP 2-S/A VA WASP OUT-I VP WASH IN- _________ CENTER VAR PLY TIP 232 PLY1/16 SPSH SIPESHAL MACESI 232 RLBAER REVS- CEsI POWER-I PLY 16525 REST VA VA LAHECAPAL LAYOUT 3132 GMAT --I/I6S I/Al SPRUCE SCALE TO FIT WINS \hJIIl1lIhItiCU,, VERY PUPS216 PLY ST STOP hit l5 ljI26TSP AUTTOWVl6 31Av vAOU-O RECES [v32][b-1-10-1-10]]A5O AREA IAREArAUTO SURFACE WARES VA B ~74 SB SABPLSOA SPARS 31MMACC 3132ALLSA TAMA IBAUUPI-lAP PLY 35165 80*23PYLON TO HEREFI *P-ABA SIPASPES CA ERE LOP BM- UPEES15 136 SEPSlAB BE MASS SSBERA2SPYLBSAPESAPR MASS ASPEYREST ~.- [ZIVXZZ2ZSABREYBSE UPPERBOTTOMOLEWpp~ TARE RETAIL26 PLY STAB PERFECT MAPLE MO CAR MOUSTS BOTTOM BlEW VP SPARSE MESS PAStAS PAl SIPPLY ABTA EPEPY ALLEY RASPER SYPAS NA SUALE ALAS SAP tZZZii!I77ZZZ32VAR SLY SPRY VA TSP 16BATTOW26SY IREWY LiflIZZ 2-SB S/AC SPIT 216 AAPRL ALABI TARE 232 TIPAPRS PLY WPPRES 6 PLY rziIZIZIIIIIZixx11PR SABLESUR-SLY ILIThLARL PEW eyI] 032 ALUPS PITYPABS ALL MATERIAL BALSA EXCEPT AS NOTES VP 3/AI/A DOWELVA SHEET232 TYP216 ISP RIPS HONCHO 1/2 COMPETITION DESIGN DESGNED B DRAWN BY Rd KLUIBER TRACING BY JOE DEMARCO AA--1j\fwJ VP OUPEL 2S2PL1BA yBS SiRE co C%I w CD 4 0 w w Cd w -J 4 -J 4 ci z 4 -J 0 w N C0 -j -J proved too small consistency needed successful contest flying 400 sq TD-15powered ship scaled up /3A model placed second 1969 Nats Phila delphia Since Honcho has built sizes classes 02 payload Class C has continued well including first B several other places various Nats As recently 1978 Nats Lake Charles LA Honchos placed third hA third Auto surfaces added ships starting 1970 Once again can thank Canadian friends original auto serface arrangement although have made some modifi cations Likewise Honcho design has changed over years although basic layout remains much same use particular engine/auto surface set-up requires TD 049 KirnKraft needle valve assembly pressurized backplate preferably enlarged venturi items may available through local hobby shops can obtain Joe Klause Kustom Kraftsmanship may also want look line completely reworked TD engines have used some time may set back few dollars really worthwhile investment engine will easier tune stands gain some power well end article list several sources competition items may want try Construction Wing Stab relatively straight forward structure should present problems however few particulars would like cover especially may have built wing stab using diagonal union-jack type construction regard wing make spar notches ribs main panels prior construction Glue diagonal ribs tip ribs notches cut notches time razor straightedge using plan July 1980 49 3/32 PANG TIP VA SQUARE 3/32 ASS PLY MAPUES 216 SQUARE3 Left In glide mode stabilizer up rudder right after cams released Right power mode stabilizer down rudder left held bands aluminum cams Once trimmed Honcho requires no attention average contest ship notches main panel ribs guide Also note full depth braces wing joints also 1/32 sheet web between top bottom main spars also think much better build washout washin wing panels very beginning rather attempting twist doping using steam same basic procedure holds true stab Notch straight ribs prior con struction cut notches diagonals after glued place may seem tedious process will make much accurate construction really easier long run will probably help make some practice notches scrap wood order insure good fit spars Cover wing stab good grade Japanese tissue After covering before doping mount various keys hooks etc wing stab Mount /s dowel rear stab carving filing half-round groove trailing edge area epoxying dowel Reinforce area patch silk Give wing three four coats nitrate dope cut 50-50 Two three coats stab will Fuelproof epoxy polyurethane finish can thinned somewhat try brush very sparingly except areas likely come contact exhaust spary such bottom center wing along front stab Fuselage Essentially body profile Starduster type layout built flat its side except some variations nose area beam mounts strong easy install allow use pressurized Thackdoor essential part engine/timer auto-surface operation sequence body construction follows Pin down quarter-grain sheet 1/16 X 3 balsa body side Draw body profile sheet Glue op bottom longerons nose tail Add some s sq uprights nose supports pylon Add 1/32 X s strips longerons rear body order center sub rudder Make up pylon hard t add pruce strips top pylon Glue pylon Add second s sq longerons top bottom run rear pylon sub rudder begins Add sub rudder Add 1/32 X ps top sub rudder Add motor mounts Have engine handy point check snug fit between mounts Make slight adjustments necessary before glue sets Cut out hole pylon body side below tank go tank will taken care later best make space now Add final ongerons top bottom run rear motor mounts rear body Add 4 high spacer between mounts nose some prights pylon area Add 1/16 X t formers Add 1/16 body side side perfectly flat course because motor mounts So work carefully area make sure body side follows contour mounts Add a cheek ply timer mount Remove body board Make up tank fit place right body side pressure line should end up running along outside body point just past front body Hollow out t cheek cover tank pressure line completes nose structure rudder formed bending sides around vertical spar Glue sides spar first pull edges together Eyeball rudder warped cut edges apart try again Mount rudder body very slight amount offset rightabout 1/32 Make sure absolutely no hint left turn rudderthis important suggest cover body rear pylon tail tissue add remaining hardware Refer plans pictures installing auto surface mechanisms Make sure alumi num fittings rotate freely excessive play Use four narrow cloth hinges attach auto rudder sub rudder use auto rudder stops FAI Supply epoxied onto side sub rudder addition drill tap stops 2-56 bolt sol can actually bolt onto sub rudder Having stop come loose ship under power convinced trust anything less critical area youre still sure about auto surface set-up heres works rubberband goes 1/16 dowel body side up over box down around 50 Model Aviation Rudy uses flood-off method engine run controlnote floodoff tube pressure line just behind cylinder auto-surface wires attach arm timer flood-off under extra armspressure line back door front body Use particular engine/auto-surface set-up requires TD 049 KirnKraft needle valve assembly sources given Framing relatively straightforward Text pre sents simple accurate methodsforduplica ting diagonal union jack construction flying surfaces Youll find useful tips test flying power job equipped auto surfacesperhaps new some us fuse back up dowel second band B goes dowel down around bottom body up over l rear stab around aluminum cam mounted body side auto line timer engaged cam maintains tension band B holding stab down power setting auto line released band B released allowing stab kick up until /s dowel comes contact band stretched across top box glide setting DT fuse burns through band stab pops up way DT position like manner band C running second aluminum fitting wire horn holds auto rudder power setting band C released auto rudder pulled glide setting band D timer Tatone floodoff mounted upside down additional arm mounted next extra arm holds down flood-off tubing auto surface wires engage arm timer itself Finish front end sealer two three coats epoxy polyurethane last item should auto lines Make 008 stranded control line Loop wires through aluminum fittings wrap copper wire solder run wires through tube guides nose Form loops other end fit over timer arm Some purists may balk having auto lines hanging out open world see means thing run inside body prefer having outside makes easier installation troubleshooting replace ment Besides model several hundred feet up bouncing along some lift cant see wires lines engaged timer arm aluminum fittings should position indicated plans Bend flood-off tube 1/16 brass Solder brass tab tube can bolted onto engine Also solder short th 1/16 ID brass tubing onto rear end flood-off tube provide tight fit surgical tubing coming tank pressure line short length tubing running pressure fitting rear crankcase cover engine tubing tank extends just past front body Trimming Now have new little gem done its time run out field some flying right Wrong Now iss time thor oughly check out engine/timer/auto surface setup partly become comfortable setup make sure works properly first experience auto surfaces may seem awful lot rubberbands arms cams etc take care Dont let throw Thats normal reaction once get whole operation will become quite automatic Check everything engine running flood-off release should occur about half second before auto surface release can adjusted bending extra arm over floodoff line closer farther away timer arm Okay now lets go flying Pick calm morning evening Begin auto surfaces glide setting adjust steady right-hand glide using auto rudder some stab tilt ships actual current settings 3/16 right stab tilt 5/16 right rudder Continued page 120 July 1980 51 Small plywood fitting serves dethermalizer stop Strategically placed tubing guide keeps stabilizer bands off auto-surface wires C Radial Engine Immediate delivery $4QQ catalog products TECHNOPOWER II INC IS~OSOUIH 104th AVRNUE OR[AND PARK WNO h0462 finals Fourth place 538 preliminary races run give everyone chance get some flying six entrants werent hurry just said everyone will fly back-toback qualifying flights will take six finals used qualifying heats kind get sorted Out finals strong must point out six entrants contest two K&B 58s Mike Grebbs remainder HP 36s 40s short-stroke crank make legal-size engine local guys cornered contest wouldnt let go until given piece mind seems opinion dont mention local Houston racing people enough intimated maybe heritage might suspect unless said FACTORY AUTHORIZED SEA VICE FOR ALL OF THE FOLLOWING BRANDS Acet Aero Sport Cannon Cirrus Kraft World Engines EK Logictrol Micro Avionics Pro Line Orbit Mathes D&D RS Systems Royal Simprop Jerobee PECKS MODEL MENAGERIE PEA NUT SCALE KITS $395 PE ENPO GPO MON ANDREASON TURBULENTGANAGOBIE MUSTANGCOUGAR LEOZERO COMPLETE CATALOG $100if 1GUIDE TO RUBBER MOOBL SUPPUES - bu Cant igire P 0 BOX 3498MA -A LA MESA CALIF 92041 714 489-8675 7141 4424636 something about Houston racing people column Well just wouldnt understand feel uncomfortable blowing own horn Im part order make peace among natives goes giant colossal great statement Please understand Im doing soothe ego least local flier OK goes want race got Houston mean best is just look results last fun fly Nats-winning times Houston has won Rat Nats times trophies automatically made up Ron Esmans name Goodyear current Nats champ Houstonian Slow Rat will year So spell race H-O-U-S-T-O-N course Good griefi just re-read think Im going sick sure hope helps John dont anybody Out get down doing W R Lee 3522 Tamarisk Ln Missouri City TX 77459 FF HONCHO/KLuIBER co ntinued page 51 1/16 negative stab incidence Now sneaky part Obviously first power flight auto surface model can pretty hairy So ago came up trimming method makes first couple flights relatively safe took model already trimmed out set auto surfaces power position gave model series test glides working backwards manner able observe model already trim would behave test glides could make untested ship behave similarly test glides could predict safe initial power flight call power gliding Heres works First get auto surfaces power settings actual settings 1/16 left rudder zero stab incidence Now pick out spot ground about 40 feet front glide model atthespotwith agoodfirmlaunchMuchharder would ordinarily test glide Make sure keep nose slightly below horizontal release model should go straight spot 20 30 feet nose should slowly come up over right ship slows down should no left bank tendency no abrupt stall Adjust auto rudder stab incidence achieve Repeat power gliding until youre sure getting desired reaction nose coming slowly up perhaps three four feet around right may require 15 20 glides absolutely certain youve got what want Make sure no breeze affect testing Once power glide looks good model ready flown Power flights should begin wiht about twosecond full-power engine run Always launch near vertical position slightly right wind model should climb straight away leaning slightly right Dont worry too muCh about transition glide until have increased engine run about five seconds point model heels over sharply semi wingover motor cuts auto surfaces coming too quickly after flood-off model stalls too long delay after flood-off before auto surfaces move Adjust spacing two arms timer accord ingly get proper transition should able adjust power pattern Honcho really groove suggestion Dutch roll stair-climbing way up turn seven seconds under power about right last suggestion flight ready release model look down stab auto rudder sure set properly leave snap rolls Pitts Specials Once trimmed model wons require attention average contest ship hope will pleased its performance Should anyone wish contact concerning article address Rudy Kluiber 2021 Lakeland Ave Lakewood OH 44107 Listed some sources engines props may wish try 120 Model Aviation INDIAN CITY RADIO CONTROL CLUB PRESENTS GREATER MICHIGAN MODELERS SHOW & EXPO II PLANESBOATSCARS MANUFACTURERS STA TIC DISPLAYSSWAP SHOP October 34 5 1980 West Eight Mile Artillery Armory Oak Park Nlichigan \ut horized Qdio 9ontrol ervice Don McCarthy ALSO WARRANTY SERVICE EXPERT SER VICE FOR ALL BRANDS Factory trained technicians over 15 years Radio Control Electronics HOURS Closed Sun & Mon lOam-8 pmWedFri lOam-6 pm Sat 10 am-2 pm 714 639-8886 941 N MAIN ST. ORANGE CALIFORNIA 92667 REPUBLIC SEABEE o MR Gs PRODUCTS 1100 Michigan Box 161 Marysville MI 48040 Wing Span 70 Complete Hardware Epoxy Glass Retractable Gear 40 Powered Factors Kustom Krartsmanship Box 2699 Lagana Hills CA 92653 Engines engine rework L Machine Service 5847 N 67th St Milwaukee WI 53218 Engine rework K & W Enterprises 7824 Lexington Ave Philadelphia PA 19152 Fiberglass props FF DURATION/MEUSER continued page 53 plete blow-by-blow account type con struction perhaps few tips will help What want to first lay ribs slanting way follow up laying ribs slanting other way glue shrinkage humidity changes virtually guaranteed end up warps proper way first lay symmetrical zigzag ribs follow zigzag displaced right followed another left forth until run out ribs way left-handed glue joints right-handed ones warping unlikely Ribs can pre-notched bookkeeping seems overwhelming keeping track ribs notched whether top bottom alternative simply notch go can virtually guarantee omit notch fact will make itself abundantly apparent will take appropriate action So sense system seems fail-safe leading edge trailing edge bunch ribs wing make spars too required again conceivably could notch ribs spars before assembly starts simpler way least bookkeeping view point spar notching after ribs place ribs could conceivably shaped final profiles before assembly again seems appropriate simply install ribs balsa rectangles sand shape after wards properly shaped sanding block sandpaper glued plus template two would worthwhile investment time Ribless construction revisited Dave Gibson came up interesting variation Look Ma no ribs theme few months back came up idea some time ago trying simplify model building younger set sketch tells story key idea standard-size strip-wood used 4c\A 40 RIO $4299 61 RIO $6750 span-wise members leading edge trailing edge spars top-surface spar doesnt stick up far enough just prop up degree required get airfoil section choice Several people have questioned torsional rigidity such structures Unless go 1CALE geodetic construction about 90% torsional rigidity wing ends up results stiffness imparted covering torsional resistance framework essentially nil no reason expect ribless con struction would better worse July 1980 121 5% $595 10% $795 15% $850 ZIPS 00000thru49999350 500001hru79999250 80000thru99999175 California150 PRICES SUBJECT TO CHANGE July 29-25 juillut Uttawa UMarlo CANADA / 4 4/ AIIM PAIN ca*gave Acres Ad SCALE 80 PX 80X 9284 AtTA VSTA POSTAL STN OTTAWAONTARIO CANADA KIG ST9 ElitE CUAUMUIEUI y ITTAWA AUTISM CAUM
Edition: Model Aviation - 1980/07
Page Numbers: 48, 49, 50, 51, 120, 121
Phoo9rphy Oy BEFORE begin brief introduction history Honcho design want make important point like have already looked plans pictures youve probably noticed few things some what unusual 2A FFpressure floodoff fuel system sidewinder engine mount auto surfaces may have immediately come conclusion dont need stuff make model fly thats just something else go wrong its interesting dont understand Let try convince otherwise auto surface mechanism Honcho extremely simple requires no special materials machine shop dont think good contest model could declared foolproof worry lot about own goofing up about plane letting down set-up can get consistent climb pattern transition glide important especially fly short seven- five-second motor runs used design has placed national competition experts model Anyone has built flown few kit models should ready try So youre thinking over quick introduction Honcho Honcho series began fall 1967 several years prior flying larger floater-type models degree suc cess more impressed style model first saw Canada small high-powered planes high pylons rear fins seemed ideally suited three-minute-max contests becoming commonplace Midwest first Honcho tiny 180 sq TD-powered Much surprise flew right off board Eventually 48 Model Aviation 3132 SOYAHE SPASCE TOP B GOTTESS USE BALSA IN TIPS -1 VA WASH OUT 1 \ V7 N V63 VA U P16 TYPVA 110 m 232 SHEET SPLIT BOWEL PEYS -1/32 PLY \%LAY REACE \V6f DTYPTYP V32 TOP 2-S/A VA WASP OUT-I VP WASH IN- _________ CENTER VAR PLY TIP 232 PLY1/16 SPSH SIPESHAL MACESI 232 RLBAER REVS- CEsI POWER-I PLY 16525 REST VA VA LAHECAPAL LAYOUT 3132 GMAT --I/I6S I/Al SPRUCE SCALE TO FIT WINS \hJIIl1lIhItiCU,, VERY PUPS216 PLY ST STOP hit l5 ljI26TSP AUTTOWVl6 31Av vAOU-O RECES [v32][b-1-10-1-10]]A5O AREA IAREArAUTO SURFACE WARES VA B ~74 SB SABPLSOA SPARS 31MMACC 3132ALLSA TAMA IBAUUPI-lAP PLY 35165 80*23PYLON TO HEREFI *P-ABA SIPASPES CA ERE LOP BM- UPEES15 136 SEPSlAB BE MASS SSBERA2SPYLBSAPESAPR MASS ASPEYREST ~.- [ZIVXZZ2ZSABREYBSE UPPERBOTTOMOLEWpp~ TARE RETAIL26 PLY STAB PERFECT MAPLE MO CAR MOUSTS BOTTOM BlEW VP SPARSE MESS PAStAS PAl SIPPLY ABTA EPEPY ALLEY RASPER SYPAS NA SUALE ALAS SAP tZZZii!I77ZZZ32VAR SLY SPRY VA TSP 16BATTOW26SY IREWY LiflIZZ 2-SB S/AC SPIT 216 AAPRL ALABI TARE 232 TIPAPRS PLY WPPRES 6 PLY rziIZIZIIIIIZixx11PR SABLESUR-SLY ILIThLARL PEW eyI] 032 ALUPS PITYPABS ALL MATERIAL BALSA EXCEPT AS NOTES VP 3/AI/A DOWELVA SHEET232 TYP216 ISP RIPS HONCHO 1/2 COMPETITION DESIGN DESGNED B DRAWN BY Rd KLUIBER TRACING BY JOE DEMARCO AA--1j\fwJ VP OUPEL 2S2PL1BA yBS SiRE co C%I w CD 4 0 w w Cd w -J 4 -J 4 ci z 4 -J 0 w N C0 -j -J proved too small consistency needed successful contest flying 400 sq TD-15powered ship scaled up /3A model placed second 1969 Nats Phila delphia Since Honcho has built sizes classes 02 payload Class C has continued well including first B several other places various Nats As recently 1978 Nats Lake Charles LA Honchos placed third hA third Auto surfaces added ships starting 1970 Once again can thank Canadian friends original auto serface arrangement although have made some modifi cations Likewise Honcho design has changed over years although basic layout remains much same use particular engine/auto surface set-up requires TD 049 KirnKraft needle valve assembly pressurized backplate preferably enlarged venturi items may available through local hobby shops can obtain Joe Klause Kustom Kraftsmanship may also want look line completely reworked TD engines have used some time may set back few dollars really worthwhile investment engine will easier tune stands gain some power well end article list several sources competition items may want try Construction Wing Stab relatively straight forward structure should present problems however few particulars would like cover especially may have built wing stab using diagonal union-jack type construction regard wing make spar notches ribs main panels prior construction Glue diagonal ribs tip ribs notches cut notches time razor straightedge using plan July 1980 49 3/32 PANG TIP VA SQUARE 3/32 ASS PLY MAPUES 216 SQUARE3 Left In glide mode stabilizer up rudder right after cams released Right power mode stabilizer down rudder left held bands aluminum cams Once trimmed Honcho requires no attention average contest ship notches main panel ribs guide Also note full depth braces wing joints also 1/32 sheet web between top bottom main spars also think much better build washout washin wing panels very beginning rather attempting twist doping using steam same basic procedure holds true stab Notch straight ribs prior con struction cut notches diagonals after glued place may seem tedious process will make much accurate construction really easier long run will probably help make some practice notches scrap wood order insure good fit spars Cover wing stab good grade Japanese tissue After covering before doping mount various keys hooks etc wing stab Mount /s dowel rear stab carving filing half-round groove trailing edge area epoxying dowel Reinforce area patch silk Give wing three four coats nitrate dope cut 50-50 Two three coats stab will Fuelproof epoxy polyurethane finish can thinned somewhat try brush very sparingly except areas likely come contact exhaust spary such bottom center wing along front stab Fuselage Essentially body profile Starduster type layout built flat its side except some variations nose area beam mounts strong easy install allow use pressurized Thackdoor essential part engine/timer auto-surface operation sequence body construction follows Pin down quarter-grain sheet 1/16 X 3 balsa body side Draw body profile sheet Glue op bottom longerons nose tail Add some s sq uprights nose supports pylon Add 1/32 X s strips longerons rear body order center sub rudder Make up pylon hard t add pruce strips top pylon Glue pylon Add second s sq longerons top bottom run rear pylon sub rudder begins Add sub rudder Add 1/32 X ps top sub rudder Add motor mounts Have engine handy point check snug fit between mounts Make slight adjustments necessary before glue sets Cut out hole pylon body side below tank go tank will taken care later best make space now Add final ongerons top bottom run rear motor mounts rear body Add 4 high spacer between mounts nose some prights pylon area Add 1/16 X t formers Add 1/16 body side side perfectly flat course because motor mounts So work carefully area make sure body side follows contour mounts Add a cheek ply timer mount Remove body board Make up tank fit place right body side pressure line should end up running along outside body point just past front body Hollow out t cheek cover tank pressure line completes nose structure rudder formed bending sides around vertical spar Glue sides spar first pull edges together Eyeball rudder warped cut edges apart try again Mount rudder body very slight amount offset rightabout 1/32 Make sure absolutely no hint left turn rudderthis important suggest cover body rear pylon tail tissue add remaining hardware Refer plans pictures installing auto surface mechanisms Make sure alumi num fittings rotate freely excessive play Use four narrow cloth hinges attach auto rudder sub rudder use auto rudder stops FAI Supply epoxied onto side sub rudder addition drill tap stops 2-56 bolt sol can actually bolt onto sub rudder Having stop come loose ship under power convinced trust anything less critical area youre still sure about auto surface set-up heres works rubberband goes 1/16 dowel body side up over box down around 50 Model Aviation Rudy uses flood-off method engine run controlnote floodoff tube pressure line just behind cylinder auto-surface wires attach arm timer flood-off under extra armspressure line back door front body Use particular engine/auto-surface set-up requires TD 049 KirnKraft needle valve assembly sources given Framing relatively straightforward Text pre sents simple accurate methodsforduplica ting diagonal union jack construction flying surfaces Youll find useful tips test flying power job equipped auto surfacesperhaps new some us fuse back up dowel second band B goes dowel down around bottom body up over l rear stab around aluminum cam mounted body side auto line timer engaged cam maintains tension band B holding stab down power setting auto line released band B released allowing stab kick up until /s dowel comes contact band stretched across top box glide setting DT fuse burns through band stab pops up way DT position like manner band C running second aluminum fitting wire horn holds auto rudder power setting band C released auto rudder pulled glide setting band D timer Tatone floodoff mounted upside down additional arm mounted next extra arm holds down flood-off tubing auto surface wires engage arm timer itself Finish front end sealer two three coats epoxy polyurethane last item should auto lines Make 008 stranded control line Loop wires through aluminum fittings wrap copper wire solder run wires through tube guides nose Form loops other end fit over timer arm Some purists may balk having auto lines hanging out open world see means thing run inside body prefer having outside makes easier installation troubleshooting replace ment Besides model several hundred feet up bouncing along some lift cant see wires lines engaged timer arm aluminum fittings should position indicated plans Bend flood-off tube 1/16 brass Solder brass tab tube can bolted onto engine Also solder short th 1/16 ID brass tubing onto rear end flood-off tube provide tight fit surgical tubing coming tank pressure line short length tubing running pressure fitting rear crankcase cover engine tubing tank extends just past front body Trimming Now have new little gem done its time run out field some flying right Wrong Now iss time thor oughly check out engine/timer/auto surface setup partly become comfortable setup make sure works properly first experience auto surfaces may seem awful lot rubberbands arms cams etc take care Dont let throw Thats normal reaction once get whole operation will become quite automatic Check everything engine running flood-off release should occur about half second before auto surface release can adjusted bending extra arm over floodoff line closer farther away timer arm Okay now lets go flying Pick calm morning evening Begin auto surfaces glide setting adjust steady right-hand glide using auto rudder some stab tilt ships actual current settings 3/16 right stab tilt 5/16 right rudder Continued page 120 July 1980 51 Small plywood fitting serves dethermalizer stop Strategically placed tubing guide keeps stabilizer bands off auto-surface wires C Radial Engine Immediate delivery $4QQ catalog products TECHNOPOWER II INC IS~OSOUIH 104th AVRNUE OR[AND PARK WNO h0462 finals Fourth place 538 preliminary races run give everyone chance get some flying six entrants werent hurry just said everyone will fly back-toback qualifying flights will take six finals used qualifying heats kind get sorted Out finals strong must point out six entrants contest two K&B 58s Mike Grebbs remainder HP 36s 40s short-stroke crank make legal-size engine local guys cornered contest wouldnt let go until given piece mind seems opinion dont mention local Houston racing people enough intimated maybe heritage might suspect unless said FACTORY AUTHORIZED SEA VICE FOR ALL OF THE FOLLOWING BRANDS Acet Aero Sport Cannon Cirrus Kraft World Engines EK Logictrol Micro Avionics Pro Line Orbit Mathes D&D RS Systems Royal Simprop Jerobee PECKS MODEL MENAGERIE PEA NUT SCALE KITS $395 PE ENPO GPO MON ANDREASON TURBULENTGANAGOBIE MUSTANGCOUGAR LEOZERO COMPLETE CATALOG $100if 1GUIDE TO RUBBER MOOBL SUPPUES - bu Cant igire P 0 BOX 3498MA -A LA MESA CALIF 92041 714 489-8675 7141 4424636 something about Houston racing people column Well just wouldnt understand feel uncomfortable blowing own horn Im part order make peace among natives goes giant colossal great statement Please understand Im doing soothe ego least local flier OK goes want race got Houston mean best is just look results last fun fly Nats-winning times Houston has won Rat Nats times trophies automatically made up Ron Esmans name Goodyear current Nats champ Houstonian Slow Rat will year So spell race H-O-U-S-T-O-N course Good griefi just re-read think Im going sick sure hope helps John dont anybody Out get down doing W R Lee 3522 Tamarisk Ln Missouri City TX 77459 FF HONCHO/KLuIBER co ntinued page 51 1/16 negative stab incidence Now sneaky part Obviously first power flight auto surface model can pretty hairy So ago came up trimming method makes first couple flights relatively safe took model already trimmed out set auto surfaces power position gave model series test glides working backwards manner able observe model already trim would behave test glides could make untested ship behave similarly test glides could predict safe initial power flight call power gliding Heres works First get auto surfaces power settings actual settings 1/16 left rudder zero stab incidence Now pick out spot ground about 40 feet front glide model atthespotwith agoodfirmlaunchMuchharder would ordinarily test glide Make sure keep nose slightly below horizontal release model should go straight spot 20 30 feet nose should slowly come up over right ship slows down should no left bank tendency no abrupt stall Adjust auto rudder stab incidence achieve Repeat power gliding until youre sure getting desired reaction nose coming slowly up perhaps three four feet around right may require 15 20 glides absolutely certain youve got what want Make sure no breeze affect testing Once power glide looks good model ready flown Power flights should begin wiht about twosecond full-power engine run Always launch near vertical position slightly right wind model should climb straight away leaning slightly right Dont worry too muCh about transition glide until have increased engine run about five seconds point model heels over sharply semi wingover motor cuts auto surfaces coming too quickly after flood-off model stalls too long delay after flood-off before auto surfaces move Adjust spacing two arms timer accord ingly get proper transition should able adjust power pattern Honcho really groove suggestion Dutch roll stair-climbing way up turn seven seconds under power about right last suggestion flight ready release model look down stab auto rudder sure set properly leave snap rolls Pitts Specials Once trimmed model wons require attention average contest ship hope will pleased its performance Should anyone wish contact concerning article address Rudy Kluiber 2021 Lakeland Ave Lakewood OH 44107 Listed some sources engines props may wish try 120 Model Aviation INDIAN CITY RADIO CONTROL CLUB PRESENTS GREATER MICHIGAN MODELERS SHOW & EXPO II PLANESBOATSCARS MANUFACTURERS STA TIC DISPLAYSSWAP SHOP October 34 5 1980 West Eight Mile Artillery Armory Oak Park Nlichigan \ut horized Qdio 9ontrol ervice Don McCarthy ALSO WARRANTY SERVICE EXPERT SER VICE FOR ALL BRANDS Factory trained technicians over 15 years Radio Control Electronics HOURS Closed Sun & Mon lOam-8 pmWedFri lOam-6 pm Sat 10 am-2 pm 714 639-8886 941 N MAIN ST. ORANGE CALIFORNIA 92667 REPUBLIC SEABEE o MR Gs PRODUCTS 1100 Michigan Box 161 Marysville MI 48040 Wing Span 70 Complete Hardware Epoxy Glass Retractable Gear 40 Powered Factors Kustom Krartsmanship Box 2699 Lagana Hills CA 92653 Engines engine rework L Machine Service 5847 N 67th St Milwaukee WI 53218 Engine rework K & W Enterprises 7824 Lexington Ave Philadelphia PA 19152 Fiberglass props FF DURATION/MEUSER continued page 53 plete blow-by-blow account type con struction perhaps few tips will help What want to first lay ribs slanting way follow up laying ribs slanting other way glue shrinkage humidity changes virtually guaranteed end up warps proper way first lay symmetrical zigzag ribs follow zigzag displaced right followed another left forth until run out ribs way left-handed glue joints right-handed ones warping unlikely Ribs can pre-notched bookkeeping seems overwhelming keeping track ribs notched whether top bottom alternative simply notch go can virtually guarantee omit notch fact will make itself abundantly apparent will take appropriate action So sense system seems fail-safe leading edge trailing edge bunch ribs wing make spars too required again conceivably could notch ribs spars before assembly starts simpler way least bookkeeping view point spar notching after ribs place ribs could conceivably shaped final profiles before assembly again seems appropriate simply install ribs balsa rectangles sand shape after wards properly shaped sanding block sandpaper glued plus template two would worthwhile investment time Ribless construction revisited Dave Gibson came up interesting variation Look Ma no ribs theme few months back came up idea some time ago trying simplify model building younger set sketch tells story key idea standard-size strip-wood used 4c\A 40 RIO $4299 61 RIO $6750 span-wise members leading edge trailing edge spars top-surface spar doesnt stick up far enough just prop up degree required get airfoil section choice Several people have questioned torsional rigidity such structures Unless go 1CALE geodetic construction about 90% torsional rigidity wing ends up results stiffness imparted covering torsional resistance framework essentially nil no reason expect ribless con struction would better worse July 1980 121 5% $595 10% $795 15% $850 ZIPS 00000thru49999350 500001hru79999250 80000thru99999175 California150 PRICES SUBJECT TO CHANGE July 29-25 juillut Uttawa UMarlo CANADA / 4 4/ AIIM PAIN ca*gave Acres Ad SCALE 80 PX 80X 9284 AtTA VSTA POSTAL STN OTTAWAONTARIO CANADA KIG ST9 ElitE CUAUMUIEUI y ITTAWA AUTISM CAUM
Edition: Model Aviation - 1980/07
Page Numbers: 48, 49, 50, 51, 120, 121
Phoo9rphy Oy BEFORE begin brief introduction history Honcho design want make important point like have already looked plans pictures youve probably noticed few things some what unusual 2A FFpressure floodoff fuel system sidewinder engine mount auto surfaces may have immediately come conclusion dont need stuff make model fly thats just something else go wrong its interesting dont understand Let try convince otherwise auto surface mechanism Honcho extremely simple requires no special materials machine shop dont think good contest model could declared foolproof worry lot about own goofing up about plane letting down set-up can get consistent climb pattern transition glide important especially fly short seven- five-second motor runs used design has placed national competition experts model Anyone has built flown few kit models should ready try So youre thinking over quick introduction Honcho Honcho series began fall 1967 several years prior flying larger floater-type models degree suc cess more impressed style model first saw Canada small high-powered planes high pylons rear fins seemed ideally suited three-minute-max contests becoming commonplace Midwest first Honcho tiny 180 sq TD-powered Much surprise flew right off board Eventually 48 Model Aviation 3132 SOYAHE SPASCE TOP B GOTTESS USE BALSA IN TIPS -1 VA WASH OUT 1 \ V7 N V63 VA U P16 TYPVA 110 m 232 SHEET SPLIT BOWEL PEYS -1/32 PLY \%LAY REACE \V6f DTYPTYP V32 TOP 2-S/A VA WASP OUT-I VP WASH IN- _________ CENTER VAR PLY TIP 232 PLY1/16 SPSH SIPESHAL MACESI 232 RLBAER REVS- CEsI POWER-I PLY 16525 REST VA VA LAHECAPAL LAYOUT 3132 GMAT --I/I6S I/Al SPRUCE SCALE TO FIT WINS \hJIIl1lIhItiCU,, VERY PUPS216 PLY ST STOP hit l5 ljI26TSP AUTTOWVl6 31Av vAOU-O RECES [v32][b-1-10-1-10]]A5O AREA IAREArAUTO SURFACE WARES VA B ~74 SB SABPLSOA SPARS 31MMACC 3132ALLSA TAMA IBAUUPI-lAP PLY 35165 80*23PYLON TO HEREFI *P-ABA SIPASPES CA ERE LOP BM- UPEES15 136 SEPSlAB BE MASS SSBERA2SPYLBSAPESAPR MASS ASPEYREST ~.- [ZIVXZZ2ZSABREYBSE UPPERBOTTOMOLEWpp~ TARE RETAIL26 PLY STAB PERFECT MAPLE MO CAR MOUSTS BOTTOM BlEW VP SPARSE MESS PAStAS PAl SIPPLY ABTA EPEPY ALLEY RASPER SYPAS NA SUALE ALAS SAP tZZZii!I77ZZZ32VAR SLY SPRY VA TSP 16BATTOW26SY IREWY LiflIZZ 2-SB S/AC SPIT 216 AAPRL ALABI TARE 232 TIPAPRS PLY WPPRES 6 PLY rziIZIZIIIIIZixx11PR SABLESUR-SLY ILIThLARL PEW eyI] 032 ALUPS PITYPABS ALL MATERIAL BALSA EXCEPT AS NOTES VP 3/AI/A DOWELVA SHEET232 TYP216 ISP RIPS HONCHO 1/2 COMPETITION DESIGN DESGNED B DRAWN BY Rd KLUIBER TRACING BY JOE DEMARCO AA--1j\fwJ VP OUPEL 2S2PL1BA yBS SiRE co C%I w CD 4 0 w w Cd w -J 4 -J 4 ci z 4 -J 0 w N C0 -j -J proved too small consistency needed successful contest flying 400 sq TD-15powered ship scaled up /3A model placed second 1969 Nats Phila delphia Since Honcho has built sizes classes 02 payload Class C has continued well including first B several other places various Nats As recently 1978 Nats Lake Charles LA Honchos placed third hA third Auto surfaces added ships starting 1970 Once again can thank Canadian friends original auto serface arrangement although have made some modifi cations Likewise Honcho design has changed over years although basic layout remains much same use particular engine/auto surface set-up requires TD 049 KirnKraft needle valve assembly pressurized backplate preferably enlarged venturi items may available through local hobby shops can obtain Joe Klause Kustom Kraftsmanship may also want look line completely reworked TD engines have used some time may set back few dollars really worthwhile investment engine will easier tune stands gain some power well end article list several sources competition items may want try Construction Wing Stab relatively straight forward structure should present problems however few particulars would like cover especially may have built wing stab using diagonal union-jack type construction regard wing make spar notches ribs main panels prior construction Glue diagonal ribs tip ribs notches cut notches time razor straightedge using plan July 1980 49 3/32 PANG TIP VA SQUARE 3/32 ASS PLY MAPUES 216 SQUARE3 Left In glide mode stabilizer up rudder right after cams released Right power mode stabilizer down rudder left held bands aluminum cams Once trimmed Honcho requires no attention average contest ship notches main panel ribs guide Also note full depth braces wing joints also 1/32 sheet web between top bottom main spars also think much better build washout washin wing panels very beginning rather attempting twist doping using steam same basic procedure holds true stab Notch straight ribs prior con struction cut notches diagonals after glued place may seem tedious process will make much accurate construction really easier long run will probably help make some practice notches scrap wood order insure good fit spars Cover wing stab good grade Japanese tissue After covering before doping mount various keys hooks etc wing stab Mount /s dowel rear stab carving filing half-round groove trailing edge area epoxying dowel Reinforce area patch silk Give wing three four coats nitrate dope cut 50-50 Two three coats stab will Fuelproof epoxy polyurethane finish can thinned somewhat try brush very sparingly except areas likely come contact exhaust spary such bottom center wing along front stab Fuselage Essentially body profile Starduster type layout built flat its side except some variations nose area beam mounts strong easy install allow use pressurized Thackdoor essential part engine/timer auto-surface operation sequence body construction follows Pin down quarter-grain sheet 1/16 X 3 balsa body side Draw body profile sheet Glue op bottom longerons nose tail Add some s sq uprights nose supports pylon Add 1/32 X s strips longerons rear body order center sub rudder Make up pylon hard t add pruce strips top pylon Glue pylon Add second s sq longerons top bottom run rear pylon sub rudder begins Add sub rudder Add 1/32 X ps top sub rudder Add motor mounts Have engine handy point check snug fit between mounts Make slight adjustments necessary before glue sets Cut out hole pylon body side below tank go tank will taken care later best make space now Add final ongerons top bottom run rear motor mounts rear body Add 4 high spacer between mounts nose some prights pylon area Add 1/16 X t formers Add 1/16 body side side perfectly flat course because motor mounts So work carefully area make sure body side follows contour mounts Add a cheek ply timer mount Remove body board Make up tank fit place right body side pressure line should end up running along outside body point just past front body Hollow out t cheek cover tank pressure line completes nose structure rudder formed bending sides around vertical spar Glue sides spar first pull edges together Eyeball rudder warped cut edges apart try again Mount rudder body very slight amount offset rightabout 1/32 Make sure absolutely no hint left turn rudderthis important suggest cover body rear pylon tail tissue add remaining hardware Refer plans pictures installing auto surface mechanisms Make sure alumi num fittings rotate freely excessive play Use four narrow cloth hinges attach auto rudder sub rudder use auto rudder stops FAI Supply epoxied onto side sub rudder addition drill tap stops 2-56 bolt sol can actually bolt onto sub rudder Having stop come loose ship under power convinced trust anything less critical area youre still sure about auto surface set-up heres works rubberband goes 1/16 dowel body side up over box down around 50 Model Aviation Rudy uses flood-off method engine run controlnote floodoff tube pressure line just behind cylinder auto-surface wires attach arm timer flood-off under extra armspressure line back door front body Use particular engine/auto-surface set-up requires TD 049 KirnKraft needle valve assembly sources given Framing relatively straightforward Text pre sents simple accurate methodsforduplica ting diagonal union jack construction flying surfaces Youll find useful tips test flying power job equipped auto surfacesperhaps new some us fuse back up dowel second band B goes dowel down around bottom body up over l rear stab around aluminum cam mounted body side auto line timer engaged cam maintains tension band B holding stab down power setting auto line released band B released allowing stab kick up until /s dowel comes contact band stretched across top box glide setting DT fuse burns through band stab pops up way DT position like manner band C running second aluminum fitting wire horn holds auto rudder power setting band C released auto rudder pulled glide setting band D timer Tatone floodoff mounted upside down additional arm mounted next extra arm holds down flood-off tubing auto surface wires engage arm timer itself Finish front end sealer two three coats epoxy polyurethane last item should auto lines Make 008 stranded control line Loop wires through aluminum fittings wrap copper wire solder run wires through tube guides nose Form loops other end fit over timer arm Some purists may balk having auto lines hanging out open world see means thing run inside body prefer having outside makes easier installation troubleshooting replace ment Besides model several hundred feet up bouncing along some lift cant see wires lines engaged timer arm aluminum fittings should position indicated plans Bend flood-off tube 1/16 brass Solder brass tab tube can bolted onto engine Also solder short th 1/16 ID brass tubing onto rear end flood-off tube provide tight fit surgical tubing coming tank pressure line short length tubing running pressure fitting rear crankcase cover engine tubing tank extends just past front body Trimming Now have new little gem done its time run out field some flying right Wrong Now iss time thor oughly check out engine/timer/auto surface setup partly become comfortable setup make sure works properly first experience auto surfaces may seem awful lot rubberbands arms cams etc take care Dont let throw Thats normal reaction once get whole operation will become quite automatic Check everything engine running flood-off release should occur about half second before auto surface release can adjusted bending extra arm over floodoff line closer farther away timer arm Okay now lets go flying Pick calm morning evening Begin auto surfaces glide setting adjust steady right-hand glide using auto rudder some stab tilt ships actual current settings 3/16 right stab tilt 5/16 right rudder Continued page 120 July 1980 51 Small plywood fitting serves dethermalizer stop Strategically placed tubing guide keeps stabilizer bands off auto-surface wires C Radial Engine Immediate delivery $4QQ catalog products TECHNOPOWER II INC IS~OSOUIH 104th AVRNUE OR[AND PARK WNO h0462 finals Fourth place 538 preliminary races run give everyone chance get some flying six entrants werent hurry just said everyone will fly back-toback qualifying flights will take six finals used qualifying heats kind get sorted Out finals strong must point out six entrants contest two K&B 58s Mike Grebbs remainder HP 36s 40s short-stroke crank make legal-size engine local guys cornered contest wouldnt let go until given piece mind seems opinion dont mention local Houston racing people enough intimated maybe heritage might suspect unless said FACTORY AUTHORIZED SEA VICE FOR ALL OF THE FOLLOWING BRANDS Acet Aero Sport Cannon Cirrus Kraft World Engines EK Logictrol Micro Avionics Pro Line Orbit Mathes D&D RS Systems Royal Simprop Jerobee PECKS MODEL MENAGERIE PEA NUT SCALE KITS $395 PE ENPO GPO MON ANDREASON TURBULENTGANAGOBIE MUSTANGCOUGAR LEOZERO COMPLETE CATALOG $100if 1GUIDE TO RUBBER MOOBL SUPPUES - bu Cant igire P 0 BOX 3498MA -A LA MESA CALIF 92041 714 489-8675 7141 4424636 something about Houston racing people column Well just wouldnt understand feel uncomfortable blowing own horn Im part order make peace among natives goes giant colossal great statement Please understand Im doing soothe ego least local flier OK goes want race got Houston mean best is just look results last fun fly Nats-winning times Houston has won Rat Nats times trophies automatically made up Ron Esmans name Goodyear current Nats champ Houstonian Slow Rat will year So spell race H-O-U-S-T-O-N course Good griefi just re-read think Im going sick sure hope helps John dont anybody Out get down doing W R Lee 3522 Tamarisk Ln Missouri City TX 77459 FF HONCHO/KLuIBER co ntinued page 51 1/16 negative stab incidence Now sneaky part Obviously first power flight auto surface model can pretty hairy So ago came up trimming method makes first couple flights relatively safe took model already trimmed out set auto surfaces power position gave model series test glides working backwards manner able observe model already trim would behave test glides could make untested ship behave similarly test glides could predict safe initial power flight call power gliding Heres works First get auto surfaces power settings actual settings 1/16 left rudder zero stab incidence Now pick out spot ground about 40 feet front glide model atthespotwith agoodfirmlaunchMuchharder would ordinarily test glide Make sure keep nose slightly below horizontal release model should go straight spot 20 30 feet nose should slowly come up over right ship slows down should no left bank tendency no abrupt stall Adjust auto rudder stab incidence achieve Repeat power gliding until youre sure getting desired reaction nose coming slowly up perhaps three four feet around right may require 15 20 glides absolutely certain youve got what want Make sure no breeze affect testing Once power glide looks good model ready flown Power flights should begin wiht about twosecond full-power engine run Always launch near vertical position slightly right wind model should climb straight away leaning slightly right Dont worry too muCh about transition glide until have increased engine run about five seconds point model heels over sharply semi wingover motor cuts auto surfaces coming too quickly after flood-off model stalls too long delay after flood-off before auto surfaces move Adjust spacing two arms timer accord ingly get proper transition should able adjust power pattern Honcho really groove suggestion Dutch roll stair-climbing way up turn seven seconds under power about right last suggestion flight ready release model look down stab auto rudder sure set properly leave snap rolls Pitts Specials Once trimmed model wons require attention average contest ship hope will pleased its performance Should anyone wish contact concerning article address Rudy Kluiber 2021 Lakeland Ave Lakewood OH 44107 Listed some sources engines props may wish try 120 Model Aviation INDIAN CITY RADIO CONTROL CLUB PRESENTS GREATER MICHIGAN MODELERS SHOW & EXPO II PLANESBOATSCARS MANUFACTURERS STA TIC DISPLAYSSWAP SHOP October 34 5 1980 West Eight Mile Artillery Armory Oak Park Nlichigan \ut horized Qdio 9ontrol ervice Don McCarthy ALSO WARRANTY SERVICE EXPERT SER VICE FOR ALL BRANDS Factory trained technicians over 15 years Radio Control Electronics HOURS Closed Sun & Mon lOam-8 pmWedFri lOam-6 pm Sat 10 am-2 pm 714 639-8886 941 N MAIN ST. ORANGE CALIFORNIA 92667 REPUBLIC SEABEE o MR Gs PRODUCTS 1100 Michigan Box 161 Marysville MI 48040 Wing Span 70 Complete Hardware Epoxy Glass Retractable Gear 40 Powered Factors Kustom Krartsmanship Box 2699 Lagana Hills CA 92653 Engines engine rework L Machine Service 5847 N 67th St Milwaukee WI 53218 Engine rework K & W Enterprises 7824 Lexington Ave Philadelphia PA 19152 Fiberglass props FF DURATION/MEUSER continued page 53 plete blow-by-blow account type con struction perhaps few tips will help What want to first lay ribs slanting way follow up laying ribs slanting other way glue shrinkage humidity changes virtually guaranteed end up warps proper way first lay symmetrical zigzag ribs follow zigzag displaced right followed another left forth until run out ribs way left-handed glue joints right-handed ones warping unlikely Ribs can pre-notched bookkeeping seems overwhelming keeping track ribs notched whether top bottom alternative simply notch go can virtually guarantee omit notch fact will make itself abundantly apparent will take appropriate action So sense system seems fail-safe leading edge trailing edge bunch ribs wing make spars too required again conceivably could notch ribs spars before assembly starts simpler way least bookkeeping view point spar notching after ribs place ribs could conceivably shaped final profiles before assembly again seems appropriate simply install ribs balsa rectangles sand shape after wards properly shaped sanding block sandpaper glued plus template two would worthwhile investment time Ribless construction revisited Dave Gibson came up interesting variation Look Ma no ribs theme few months back came up idea some time ago trying simplify model building younger set sketch tells story key idea standard-size strip-wood used 4c\A 40 RIO $4299 61 RIO $6750 span-wise members leading edge trailing edge spars top-surface spar doesnt stick up far enough just prop up degree required get airfoil section choice Several people have questioned torsional rigidity such structures Unless go 1CALE geodetic construction about 90% torsional rigidity wing ends up results stiffness imparted covering torsional resistance framework essentially nil no reason expect ribless con struction would better worse July 1980 121 5% $595 10% $795 15% $850 ZIPS 00000thru49999350 500001hru79999250 80000thru99999175 California150 PRICES SUBJECT TO CHANGE July 29-25 juillut Uttawa UMarlo CANADA / 4 4/ AIIM PAIN ca*gave Acres Ad SCALE 80 PX 80X 9284 AtTA VSTA POSTAL STN OTTAWAONTARIO CANADA KIG ST9 ElitE CUAUMUIEUI y ITTAWA AUTISM CAUM
Edition: Model Aviation - 1980/07
Page Numbers: 48, 49, 50, 51, 120, 121
Phoo9rphy Oy BEFORE begin brief introduction history Honcho design want make important point like have already looked plans pictures youve probably noticed few things some what unusual 2A FFpressure floodoff fuel system sidewinder engine mount auto surfaces may have immediately come conclusion dont need stuff make model fly thats just something else go wrong its interesting dont understand Let try convince otherwise auto surface mechanism Honcho extremely simple requires no special materials machine shop dont think good contest model could declared foolproof worry lot about own goofing up about plane letting down set-up can get consistent climb pattern transition glide important especially fly short seven- five-second motor runs used design has placed national competition experts model Anyone has built flown few kit models should ready try So youre thinking over quick introduction Honcho Honcho series began fall 1967 several years prior flying larger floater-type models degree suc cess more impressed style model first saw Canada small high-powered planes high pylons rear fins seemed ideally suited three-minute-max contests becoming commonplace Midwest first Honcho tiny 180 sq TD-powered Much surprise flew right off board Eventually 48 Model Aviation 3132 SOYAHE SPASCE TOP B GOTTESS USE BALSA IN TIPS -1 VA WASH OUT 1 \ V7 N V63 VA U P16 TYPVA 110 m 232 SHEET SPLIT BOWEL PEYS -1/32 PLY \%LAY REACE \V6f DTYPTYP V32 TOP 2-S/A VA WASP OUT-I VP WASH IN- _________ CENTER VAR PLY TIP 232 PLY1/16 SPSH SIPESHAL MACESI 232 RLBAER REVS- CEsI POWER-I PLY 16525 REST VA VA LAHECAPAL LAYOUT 3132 GMAT --I/I6S I/Al SPRUCE SCALE TO FIT WINS \hJIIl1lIhItiCU,, VERY PUPS216 PLY ST STOP hit l5 ljI26TSP AUTTOWVl6 31Av vAOU-O RECES [v32][b-1-10-1-10]]A5O AREA IAREArAUTO SURFACE WARES VA B ~74 SB SABPLSOA SPARS 31MMACC 3132ALLSA TAMA IBAUUPI-lAP PLY 35165 80*23PYLON TO HEREFI *P-ABA SIPASPES CA ERE LOP BM- UPEES15 136 SEPSlAB BE MASS SSBERA2SPYLBSAPESAPR MASS ASPEYREST ~.- [ZIVXZZ2ZSABREYBSE UPPERBOTTOMOLEWpp~ TARE RETAIL26 PLY STAB PERFECT MAPLE MO CAR MOUSTS BOTTOM BlEW VP SPARSE MESS PAStAS PAl SIPPLY ABTA EPEPY ALLEY RASPER SYPAS NA SUALE ALAS SAP tZZZii!I77ZZZ32VAR SLY SPRY VA TSP 16BATTOW26SY IREWY LiflIZZ 2-SB S/AC SPIT 216 AAPRL ALABI TARE 232 TIPAPRS PLY WPPRES 6 PLY rziIZIZIIIIIZixx11PR SABLESUR-SLY ILIThLARL PEW eyI] 032 ALUPS PITYPABS ALL MATERIAL BALSA EXCEPT AS NOTES VP 3/AI/A DOWELVA SHEET232 TYP216 ISP RIPS HONCHO 1/2 COMPETITION DESIGN DESGNED B DRAWN BY Rd KLUIBER TRACING BY JOE DEMARCO AA--1j\fwJ VP OUPEL 2S2PL1BA yBS SiRE co C%I w CD 4 0 w w Cd w -J 4 -J 4 ci z 4 -J 0 w N C0 -j -J proved too small consistency needed successful contest flying 400 sq TD-15powered ship scaled up /3A model placed second 1969 Nats Phila delphia Since Honcho has built sizes classes 02 payload Class C has continued well including first B several other places various Nats As recently 1978 Nats Lake Charles LA Honchos placed third hA third Auto surfaces added ships starting 1970 Once again can thank Canadian friends original auto serface arrangement although have made some modifi cations Likewise Honcho design has changed over years although basic layout remains much same use particular engine/auto surface set-up requires TD 049 KirnKraft needle valve assembly pressurized backplate preferably enlarged venturi items may available through local hobby shops can obtain Joe Klause Kustom Kraftsmanship may also want look line completely reworked TD engines have used some time may set back few dollars really worthwhile investment engine will easier tune stands gain some power well end article list several sources competition items may want try Construction Wing Stab relatively straight forward structure should present problems however few particulars would like cover especially may have built wing stab using diagonal union-jack type construction regard wing make spar notches ribs main panels prior construction Glue diagonal ribs tip ribs notches cut notches time razor straightedge using plan July 1980 49 3/32 PANG TIP VA SQUARE 3/32 ASS PLY MAPUES 216 SQUARE3 Left In glide mode stabilizer up rudder right after cams released Right power mode stabilizer down rudder left held bands aluminum cams Once trimmed Honcho requires no attention average contest ship notches main panel ribs guide Also note full depth braces wing joints also 1/32 sheet web between top bottom main spars also think much better build washout washin wing panels very beginning rather attempting twist doping using steam same basic procedure holds true stab Notch straight ribs prior con struction cut notches diagonals after glued place may seem tedious process will make much accurate construction really easier long run will probably help make some practice notches scrap wood order insure good fit spars Cover wing stab good grade Japanese tissue After covering before doping mount various keys hooks etc wing stab Mount /s dowel rear stab carving filing half-round groove trailing edge area epoxying dowel Reinforce area patch silk Give wing three four coats nitrate dope cut 50-50 Two three coats stab will Fuelproof epoxy polyurethane finish can thinned somewhat try brush very sparingly except areas likely come contact exhaust spary such bottom center wing along front stab Fuselage Essentially body profile Starduster type layout built flat its side except some variations nose area beam mounts strong easy install allow use pressurized Thackdoor essential part engine/timer auto-surface operation sequence body construction follows Pin down quarter-grain sheet 1/16 X 3 balsa body side Draw body profile sheet Glue op bottom longerons nose tail Add some s sq uprights nose supports pylon Add 1/32 X s strips longerons rear body order center sub rudder Make up pylon hard t add pruce strips top pylon Glue pylon Add second s sq longerons top bottom run rear pylon sub rudder begins Add sub rudder Add 1/32 X ps top sub rudder Add motor mounts Have engine handy point check snug fit between mounts Make slight adjustments necessary before glue sets Cut out hole pylon body side below tank go tank will taken care later best make space now Add final ongerons top bottom run rear motor mounts rear body Add 4 high spacer between mounts nose some prights pylon area Add 1/16 X t formers Add 1/16 body side side perfectly flat course because motor mounts So work carefully area make sure body side follows contour mounts Add a cheek ply timer mount Remove body board Make up tank fit place right body side pressure line should end up running along outside body point just past front body Hollow out t cheek cover tank pressure line completes nose structure rudder formed bending sides around vertical spar Glue sides spar first pull edges together Eyeball rudder warped cut edges apart try again Mount rudder body very slight amount offset rightabout 1/32 Make sure absolutely no hint left turn rudderthis important suggest cover body rear pylon tail tissue add remaining hardware Refer plans pictures installing auto surface mechanisms Make sure alumi num fittings rotate freely excessive play Use four narrow cloth hinges attach auto rudder sub rudder use auto rudder stops FAI Supply epoxied onto side sub rudder addition drill tap stops 2-56 bolt sol can actually bolt onto sub rudder Having stop come loose ship under power convinced trust anything less critical area youre still sure about auto surface set-up heres works rubberband goes 1/16 dowel body side up over box down around 50 Model Aviation Rudy uses flood-off method engine run controlnote floodoff tube pressure line just behind cylinder auto-surface wires attach arm timer flood-off under extra armspressure line back door front body Use particular engine/auto-surface set-up requires TD 049 KirnKraft needle valve assembly sources given Framing relatively straightforward Text pre sents simple accurate methodsforduplica ting diagonal union jack construction flying surfaces Youll find useful tips test flying power job equipped auto surfacesperhaps new some us fuse back up dowel second band B goes dowel down around bottom body up over l rear stab around aluminum cam mounted body side auto line timer engaged cam maintains tension band B holding stab down power setting auto line released band B released allowing stab kick up until /s dowel comes contact band stretched across top box glide setting DT fuse burns through band stab pops up way DT position like manner band C running second aluminum fitting wire horn holds auto rudder power setting band C released auto rudder pulled glide setting band D timer Tatone floodoff mounted upside down additional arm mounted next extra arm holds down flood-off tubing auto surface wires engage arm timer itself Finish front end sealer two three coats epoxy polyurethane last item should auto lines Make 008 stranded control line Loop wires through aluminum fittings wrap copper wire solder run wires through tube guides nose Form loops other end fit over timer arm Some purists may balk having auto lines hanging out open world see means thing run inside body prefer having outside makes easier installation troubleshooting replace ment Besides model several hundred feet up bouncing along some lift cant see wires lines engaged timer arm aluminum fittings should position indicated plans Bend flood-off tube 1/16 brass Solder brass tab tube can bolted onto engine Also solder short th 1/16 ID brass tubing onto rear end flood-off tube provide tight fit surgical tubing coming tank pressure line short length tubing running pressure fitting rear crankcase cover engine tubing tank extends just past front body Trimming Now have new little gem done its time run out field some flying right Wrong Now iss time thor oughly check out engine/timer/auto surface setup partly become comfortable setup make sure works properly first experience auto surfaces may seem awful lot rubberbands arms cams etc take care Dont let throw Thats normal reaction once get whole operation will become quite automatic Check everything engine running flood-off release should occur about half second before auto surface release can adjusted bending extra arm over floodoff line closer farther away timer arm Okay now lets go flying Pick calm morning evening Begin auto surfaces glide setting adjust steady right-hand glide using auto rudder some stab tilt ships actual current settings 3/16 right stab tilt 5/16 right rudder Continued page 120 July 1980 51 Small plywood fitting serves dethermalizer stop Strategically placed tubing guide keeps stabilizer bands off auto-surface wires C Radial Engine Immediate delivery $4QQ catalog products TECHNOPOWER II INC IS~OSOUIH 104th AVRNUE OR[AND PARK WNO h0462 finals Fourth place 538 preliminary races run give everyone chance get some flying six entrants werent hurry just said everyone will fly back-toback qualifying flights will take six finals used qualifying heats kind get sorted Out finals strong must point out six entrants contest two K&B 58s Mike Grebbs remainder HP 36s 40s short-stroke crank make legal-size engine local guys cornered contest wouldnt let go until given piece mind seems opinion dont mention local Houston racing people enough intimated maybe heritage might suspect unless said FACTORY AUTHORIZED SEA VICE FOR ALL OF THE FOLLOWING BRANDS Acet Aero Sport Cannon Cirrus Kraft World Engines EK Logictrol Micro Avionics Pro Line Orbit Mathes D&D RS Systems Royal Simprop Jerobee PECKS MODEL MENAGERIE PEA NUT SCALE KITS $395 PE ENPO GPO MON ANDREASON TURBULENTGANAGOBIE MUSTANGCOUGAR LEOZERO COMPLETE CATALOG $100if 1GUIDE TO RUBBER MOOBL SUPPUES - bu Cant igire P 0 BOX 3498MA -A LA MESA CALIF 92041 714 489-8675 7141 4424636 something about Houston racing people column Well just wouldnt understand feel uncomfortable blowing own horn Im part order make peace among natives goes giant colossal great statement Please understand Im doing soothe ego least local flier OK goes want race got Houston mean best is just look results last fun fly Nats-winning times Houston has won Rat Nats times trophies automatically made up Ron Esmans name Goodyear current Nats champ Houstonian Slow Rat will year So spell race H-O-U-S-T-O-N course Good griefi just re-read think Im going sick sure hope helps John dont anybody Out get down doing W R Lee 3522 Tamarisk Ln Missouri City TX 77459 FF HONCHO/KLuIBER co ntinued page 51 1/16 negative stab incidence Now sneaky part Obviously first power flight auto surface model can pretty hairy So ago came up trimming method makes first couple flights relatively safe took model already trimmed out set auto surfaces power position gave model series test glides working backwards manner able observe model already trim would behave test glides could make untested ship behave similarly test glides could predict safe initial power flight call power gliding Heres works First get auto surfaces power settings actual settings 1/16 left rudder zero stab incidence Now pick out spot ground about 40 feet front glide model atthespotwith agoodfirmlaunchMuchharder would ordinarily test glide Make sure keep nose slightly below horizontal release model should go straight spot 20 30 feet nose should slowly come up over right ship slows down should no left bank tendency no abrupt stall Adjust auto rudder stab incidence achieve Repeat power gliding until youre sure getting desired reaction nose coming slowly up perhaps three four feet around right may require 15 20 glides absolutely certain youve got what want Make sure no breeze affect testing Once power glide looks good model ready flown Power flights should begin wiht about twosecond full-power engine run Always launch near vertical position slightly right wind model should climb straight away leaning slightly right Dont worry too muCh about transition glide until have increased engine run about five seconds point model heels over sharply semi wingover motor cuts auto surfaces coming too quickly after flood-off model stalls too long delay after flood-off before auto surfaces move Adjust spacing two arms timer accord ingly get proper transition should able adjust power pattern Honcho really groove suggestion Dutch roll stair-climbing way up turn seven seconds under power about right last suggestion flight ready release model look down stab auto rudder sure set properly leave snap rolls Pitts Specials Once trimmed model wons require attention average contest ship hope will pleased its performance Should anyone wish contact concerning article address Rudy Kluiber 2021 Lakeland Ave Lakewood OH 44107 Listed some sources engines props may wish try 120 Model Aviation INDIAN CITY RADIO CONTROL CLUB PRESENTS GREATER MICHIGAN MODELERS SHOW & EXPO II PLANESBOATSCARS MANUFACTURERS STA TIC DISPLAYSSWAP SHOP October 34 5 1980 West Eight Mile Artillery Armory Oak Park Nlichigan \ut horized Qdio 9ontrol ervice Don McCarthy ALSO WARRANTY SERVICE EXPERT SER VICE FOR ALL BRANDS Factory trained technicians over 15 years Radio Control Electronics HOURS Closed Sun & Mon lOam-8 pmWedFri lOam-6 pm Sat 10 am-2 pm 714 639-8886 941 N MAIN ST. ORANGE CALIFORNIA 92667 REPUBLIC SEABEE o MR Gs PRODUCTS 1100 Michigan Box 161 Marysville MI 48040 Wing Span 70 Complete Hardware Epoxy Glass Retractable Gear 40 Powered Factors Kustom Krartsmanship Box 2699 Lagana Hills CA 92653 Engines engine rework L Machine Service 5847 N 67th St Milwaukee WI 53218 Engine rework K & W Enterprises 7824 Lexington Ave Philadelphia PA 19152 Fiberglass props FF DURATION/MEUSER continued page 53 plete blow-by-blow account type con struction perhaps few tips will help What want to first lay ribs slanting way follow up laying ribs slanting other way glue shrinkage humidity changes virtually guaranteed end up warps proper way first lay symmetrical zigzag ribs follow zigzag displaced right followed another left forth until run out ribs way left-handed glue joints right-handed ones warping unlikely Ribs can pre-notched bookkeeping seems overwhelming keeping track ribs notched whether top bottom alternative simply notch go can virtually guarantee omit notch fact will make itself abundantly apparent will take appropriate action So sense system seems fail-safe leading edge trailing edge bunch ribs wing make spars too required again conceivably could notch ribs spars before assembly starts simpler way least bookkeeping view point spar notching after ribs place ribs could conceivably shaped final profiles before assembly again seems appropriate simply install ribs balsa rectangles sand shape after wards properly shaped sanding block sandpaper glued plus template two would worthwhile investment time Ribless construction revisited Dave Gibson came up interesting variation Look Ma no ribs theme few months back came up idea some time ago trying simplify model building younger set sketch tells story key idea standard-size strip-wood used 4c\A 40 RIO $4299 61 RIO $6750 span-wise members leading edge trailing edge spars top-surface spar doesnt stick up far enough just prop up degree required get airfoil section choice Several people have questioned torsional rigidity such structures Unless go 1CALE geodetic construction about 90% torsional rigidity wing ends up results stiffness imparted covering torsional resistance framework essentially nil no reason expect ribless con struction would better worse July 1980 121 5% $595 10% $795 15% $850 ZIPS 00000thru49999350 500001hru79999250 80000thru99999175 California150 PRICES SUBJECT TO CHANGE July 29-25 juillut Uttawa UMarlo CANADA / 4 4/ AIIM PAIN ca*gave Acres Ad SCALE 80 PX 80X 9284 AtTA VSTA POSTAL STN OTTAWAONTARIO CANADA KIG ST9 ElitE CUAUMUIEUI y ITTAWA AUTISM CAUM
Edition: Model Aviation - 1980/07
Page Numbers: 48, 49, 50, 51, 120, 121
Phoo9rphy Oy BEFORE begin brief introduction history Honcho design want make important point like have already looked plans pictures youve probably noticed few things some what unusual 2A FFpressure floodoff fuel system sidewinder engine mount auto surfaces may have immediately come conclusion dont need stuff make model fly thats just something else go wrong its interesting dont understand Let try convince otherwise auto surface mechanism Honcho extremely simple requires no special materials machine shop dont think good contest model could declared foolproof worry lot about own goofing up about plane letting down set-up can get consistent climb pattern transition glide important especially fly short seven- five-second motor runs used design has placed national competition experts model Anyone has built flown few kit models should ready try So youre thinking over quick introduction Honcho Honcho series began fall 1967 several years prior flying larger floater-type models degree suc cess more impressed style model first saw Canada small high-powered planes high pylons rear fins seemed ideally suited three-minute-max contests becoming commonplace Midwest first Honcho tiny 180 sq TD-powered Much surprise flew right off board Eventually 48 Model Aviation 3132 SOYAHE SPASCE TOP B GOTTESS USE BALSA IN TIPS -1 VA WASH OUT 1 \ V7 N V63 VA U P16 TYPVA 110 m 232 SHEET SPLIT BOWEL PEYS -1/32 PLY \%LAY REACE \V6f DTYPTYP V32 TOP 2-S/A VA WASP OUT-I VP WASH IN- _________ CENTER VAR PLY TIP 232 PLY1/16 SPSH SIPESHAL MACESI 232 RLBAER REVS- CEsI POWER-I PLY 16525 REST VA VA LAHECAPAL LAYOUT 3132 GMAT --I/I6S I/Al SPRUCE SCALE TO FIT WINS \hJIIl1lIhItiCU,, VERY PUPS216 PLY ST STOP hit l5 ljI26TSP AUTTOWVl6 31Av vAOU-O RECES [v32][b-1-10-1-10]]A5O AREA IAREArAUTO SURFACE WARES VA B ~74 SB SABPLSOA SPARS 31MMACC 3132ALLSA TAMA IBAUUPI-lAP PLY 35165 80*23PYLON TO HEREFI *P-ABA SIPASPES CA ERE LOP BM- UPEES15 136 SEPSlAB BE MASS SSBERA2SPYLBSAPESAPR MASS ASPEYREST ~.- [ZIVXZZ2ZSABREYBSE UPPERBOTTOMOLEWpp~ TARE RETAIL26 PLY STAB PERFECT MAPLE MO CAR MOUSTS BOTTOM BlEW VP SPARSE MESS PAStAS PAl SIPPLY ABTA EPEPY ALLEY RASPER SYPAS NA SUALE ALAS SAP tZZZii!I77ZZZ32VAR SLY SPRY VA TSP 16BATTOW26SY IREWY LiflIZZ 2-SB S/AC SPIT 216 AAPRL ALABI TARE 232 TIPAPRS PLY WPPRES 6 PLY rziIZIZIIIIIZixx11PR SABLESUR-SLY ILIThLARL PEW eyI] 032 ALUPS PITYPABS ALL MATERIAL BALSA EXCEPT AS NOTES VP 3/AI/A DOWELVA SHEET232 TYP216 ISP RIPS HONCHO 1/2 COMPETITION DESIGN DESGNED B DRAWN BY Rd KLUIBER TRACING BY JOE DEMARCO AA--1j\fwJ VP OUPEL 2S2PL1BA yBS SiRE co C%I w CD 4 0 w w Cd w -J 4 -J 4 ci z 4 -J 0 w N C0 -j -J proved too small consistency needed successful contest flying 400 sq TD-15powered ship scaled up /3A model placed second 1969 Nats Phila delphia Since Honcho has built sizes classes 02 payload Class C has continued well including first B several other places various Nats As recently 1978 Nats Lake Charles LA Honchos placed third hA third Auto surfaces added ships starting 1970 Once again can thank Canadian friends original auto serface arrangement although have made some modifi cations Likewise Honcho design has changed over years although basic layout remains much same use particular engine/auto surface set-up requires TD 049 KirnKraft needle valve assembly pressurized backplate preferably enlarged venturi items may available through local hobby shops can obtain Joe Klause Kustom Kraftsmanship may also want look line completely reworked TD engines have used some time may set back few dollars really worthwhile investment engine will easier tune stands gain some power well end article list several sources competition items may want try Construction Wing Stab relatively straight forward structure should present problems however few particulars would like cover especially may have built wing stab using diagonal union-jack type construction regard wing make spar notches ribs main panels prior construction Glue diagonal ribs tip ribs notches cut notches time razor straightedge using plan July 1980 49 3/32 PANG TIP VA SQUARE 3/32 ASS PLY MAPUES 216 SQUARE3 Left In glide mode stabilizer up rudder right after cams released Right power mode stabilizer down rudder left held bands aluminum cams Once trimmed Honcho requires no attention average contest ship notches main panel ribs guide Also note full depth braces wing joints also 1/32 sheet web between top bottom main spars also think much better build washout washin wing panels very beginning rather attempting twist doping using steam same basic procedure holds true stab Notch straight ribs prior con struction cut notches diagonals after glued place may seem tedious process will make much accurate construction really easier long run will probably help make some practice notches scrap wood order insure good fit spars Cover wing stab good grade Japanese tissue After covering before doping mount various keys hooks etc wing stab Mount /s dowel rear stab carving filing half-round groove trailing edge area epoxying dowel Reinforce area patch silk Give wing three four coats nitrate dope cut 50-50 Two three coats stab will Fuelproof epoxy polyurethane finish can thinned somewhat try brush very sparingly except areas likely come contact exhaust spary such bottom center wing along front stab Fuselage Essentially body profile Starduster type layout built flat its side except some variations nose area beam mounts strong easy install allow use pressurized Thackdoor essential part engine/timer auto-surface operation sequence body construction follows Pin down quarter-grain sheet 1/16 X 3 balsa body side Draw body profile sheet Glue op bottom longerons nose tail Add some s sq uprights nose supports pylon Add 1/32 X s strips longerons rear body order center sub rudder Make up pylon hard t add pruce strips top pylon Glue pylon Add second s sq longerons top bottom run rear pylon sub rudder begins Add sub rudder Add 1/32 X ps top sub rudder Add motor mounts Have engine handy point check snug fit between mounts Make slight adjustments necessary before glue sets Cut out hole pylon body side below tank go tank will taken care later best make space now Add final ongerons top bottom run rear motor mounts rear body Add 4 high spacer between mounts nose some prights pylon area Add 1/16 X t formers Add 1/16 body side side perfectly flat course because motor mounts So work carefully area make sure body side follows contour mounts Add a cheek ply timer mount Remove body board Make up tank fit place right body side pressure line should end up running along outside body point just past front body Hollow out t cheek cover tank pressure line completes nose structure rudder formed bending sides around vertical spar Glue sides spar first pull edges together Eyeball rudder warped cut edges apart try again Mount rudder body very slight amount offset rightabout 1/32 Make sure absolutely no hint left turn rudderthis important suggest cover body rear pylon tail tissue add remaining hardware Refer plans pictures installing auto surface mechanisms Make sure alumi num fittings rotate freely excessive play Use four narrow cloth hinges attach auto rudder sub rudder use auto rudder stops FAI Supply epoxied onto side sub rudder addition drill tap stops 2-56 bolt sol can actually bolt onto sub rudder Having stop come loose ship under power convinced trust anything less critical area youre still sure about auto surface set-up heres works rubberband goes 1/16 dowel body side up over box down around 50 Model Aviation Rudy uses flood-off method engine run controlnote floodoff tube pressure line just behind cylinder auto-surface wires attach arm timer flood-off under extra armspressure line back door front body Use particular engine/auto-surface set-up requires TD 049 KirnKraft needle valve assembly sources given Framing relatively straightforward Text pre sents simple accurate methodsforduplica ting diagonal union jack construction flying surfaces Youll find useful tips test flying power job equipped auto surfacesperhaps new some us fuse back up dowel second band B goes dowel down around bottom body up over l rear stab around aluminum cam mounted body side auto line timer engaged cam maintains tension band B holding stab down power setting auto line released band B released allowing stab kick up until /s dowel comes contact band stretched across top box glide setting DT fuse burns through band stab pops up way DT position like manner band C running second aluminum fitting wire horn holds auto rudder power setting band C released auto rudder pulled glide setting band D timer Tatone floodoff mounted upside down additional arm mounted next extra arm holds down flood-off tubing auto surface wires engage arm timer itself Finish front end sealer two three coats epoxy polyurethane last item should auto lines Make 008 stranded control line Loop wires through aluminum fittings wrap copper wire solder run wires through tube guides nose Form loops other end fit over timer arm Some purists may balk having auto lines hanging out open world see means thing run inside body prefer having outside makes easier installation troubleshooting replace ment Besides model several hundred feet up bouncing along some lift cant see wires lines engaged timer arm aluminum fittings should position indicated plans Bend flood-off tube 1/16 brass Solder brass tab tube can bolted onto engine Also solder short th 1/16 ID brass tubing onto rear end flood-off tube provide tight fit surgical tubing coming tank pressure line short length tubing running pressure fitting rear crankcase cover engine tubing tank extends just past front body Trimming Now have new little gem done its time run out field some flying right Wrong Now iss time thor oughly check out engine/timer/auto surface setup partly become comfortable setup make sure works properly first experience auto surfaces may seem awful lot rubberbands arms cams etc take care Dont let throw Thats normal reaction once get whole operation will become quite automatic Check everything engine running flood-off release should occur about half second before auto surface release can adjusted bending extra arm over floodoff line closer farther away timer arm Okay now lets go flying Pick calm morning evening Begin auto surfaces glide setting adjust steady right-hand glide using auto rudder some stab tilt ships actual current settings 3/16 right stab tilt 5/16 right rudder Continued page 120 July 1980 51 Small plywood fitting serves dethermalizer stop Strategically placed tubing guide keeps stabilizer bands off auto-surface wires C Radial Engine Immediate delivery $4QQ catalog products TECHNOPOWER II INC IS~OSOUIH 104th AVRNUE OR[AND PARK WNO h0462 finals Fourth place 538 preliminary races run give everyone chance get some flying six entrants werent hurry just said everyone will fly back-toback qualifying flights will take six finals used qualifying heats kind get sorted Out finals strong must point out six entrants contest two K&B 58s Mike Grebbs remainder HP 36s 40s short-stroke crank make legal-size engine local guys cornered contest wouldnt let go until given piece mind seems opinion dont mention local Houston racing people enough intimated maybe heritage might suspect unless said FACTORY AUTHORIZED SEA VICE FOR ALL OF THE FOLLOWING BRANDS Acet Aero Sport Cannon Cirrus Kraft World Engines EK Logictrol Micro Avionics Pro Line Orbit Mathes D&D RS Systems Royal Simprop Jerobee PECKS MODEL MENAGERIE PEA NUT SCALE KITS $395 PE ENPO GPO MON ANDREASON TURBULENTGANAGOBIE MUSTANGCOUGAR LEOZERO COMPLETE CATALOG $100if 1GUIDE TO RUBBER MOOBL SUPPUES - bu Cant igire P 0 BOX 3498MA -A LA MESA CALIF 92041 714 489-8675 7141 4424636 something about Houston racing people column Well just wouldnt understand feel uncomfortable blowing own horn Im part order make peace among natives goes giant colossal great statement Please understand Im doing soothe ego least local flier OK goes want race got Houston mean best is just look results last fun fly Nats-winning times Houston has won Rat Nats times trophies automatically made up Ron Esmans name Goodyear current Nats champ Houstonian Slow Rat will year So spell race H-O-U-S-T-O-N course Good griefi just re-read think Im going sick sure hope helps John dont anybody Out get down doing W R Lee 3522 Tamarisk Ln Missouri City TX 77459 FF HONCHO/KLuIBER co ntinued page 51 1/16 negative stab incidence Now sneaky part Obviously first power flight auto surface model can pretty hairy So ago came up trimming method makes first couple flights relatively safe took model already trimmed out set auto surfaces power position gave model series test glides working backwards manner able observe model already trim would behave test glides could make untested ship behave similarly test glides could predict safe initial power flight call power gliding Heres works First get auto surfaces power settings actual settings 1/16 left rudder zero stab incidence Now pick out spot ground about 40 feet front glide model atthespotwith agoodfirmlaunchMuchharder would ordinarily test glide Make sure keep nose slightly below horizontal release model should go straight spot 20 30 feet nose should slowly come up over right ship slows down should no left bank tendency no abrupt stall Adjust auto rudder stab incidence achieve Repeat power gliding until youre sure getting desired reaction nose coming slowly up perhaps three four feet around right may require 15 20 glides absolutely certain youve got what want Make sure no breeze affect testing Once power glide looks good model ready flown Power flights should begin wiht about twosecond full-power engine run Always launch near vertical position slightly right wind model should climb straight away leaning slightly right Dont worry too muCh about transition glide until have increased engine run about five seconds point model heels over sharply semi wingover motor cuts auto surfaces coming too quickly after flood-off model stalls too long delay after flood-off before auto surfaces move Adjust spacing two arms timer accord ingly get proper transition should able adjust power pattern Honcho really groove suggestion Dutch roll stair-climbing way up turn seven seconds under power about right last suggestion flight ready release model look down stab auto rudder sure set properly leave snap rolls Pitts Specials Once trimmed model wons require attention average contest ship hope will pleased its performance Should anyone wish contact concerning article address Rudy Kluiber 2021 Lakeland Ave Lakewood OH 44107 Listed some sources engines props may wish try 120 Model Aviation INDIAN CITY RADIO CONTROL CLUB PRESENTS GREATER MICHIGAN MODELERS SHOW & EXPO II PLANESBOATSCARS MANUFACTURERS STA TIC DISPLAYSSWAP SHOP October 34 5 1980 West Eight Mile Artillery Armory Oak Park Nlichigan \ut horized Qdio 9ontrol ervice Don McCarthy ALSO WARRANTY SERVICE EXPERT SER VICE FOR ALL BRANDS Factory trained technicians over 15 years Radio Control Electronics HOURS Closed Sun & Mon lOam-8 pmWedFri lOam-6 pm Sat 10 am-2 pm 714 639-8886 941 N MAIN ST. ORANGE CALIFORNIA 92667 REPUBLIC SEABEE o MR Gs PRODUCTS 1100 Michigan Box 161 Marysville MI 48040 Wing Span 70 Complete Hardware Epoxy Glass Retractable Gear 40 Powered Factors Kustom Krartsmanship Box 2699 Lagana Hills CA 92653 Engines engine rework L Machine Service 5847 N 67th St Milwaukee WI 53218 Engine rework K & W Enterprises 7824 Lexington Ave Philadelphia PA 19152 Fiberglass props FF DURATION/MEUSER continued page 53 plete blow-by-blow account type con struction perhaps few tips will help What want to first lay ribs slanting way follow up laying ribs slanting other way glue shrinkage humidity changes virtually guaranteed end up warps proper way first lay symmetrical zigzag ribs follow zigzag displaced right followed another left forth until run out ribs way left-handed glue joints right-handed ones warping unlikely Ribs can pre-notched bookkeeping seems overwhelming keeping track ribs notched whether top bottom alternative simply notch go can virtually guarantee omit notch fact will make itself abundantly apparent will take appropriate action So sense system seems fail-safe leading edge trailing edge bunch ribs wing make spars too required again conceivably could notch ribs spars before assembly starts simpler way least bookkeeping view point spar notching after ribs place ribs could conceivably shaped final profiles before assembly again seems appropriate simply install ribs balsa rectangles sand shape after wards properly shaped sanding block sandpaper glued plus template two would worthwhile investment time Ribless construction revisited Dave Gibson came up interesting variation Look Ma no ribs theme few months back came up idea some time ago trying simplify model building younger set sketch tells story key idea standard-size strip-wood used 4c\A 40 RIO $4299 61 RIO $6750 span-wise members leading edge trailing edge spars top-surface spar doesnt stick up far enough just prop up degree required get airfoil section choice Several people have questioned torsional rigidity such structures Unless go 1CALE geodetic construction about 90% torsional rigidity wing ends up results stiffness imparted covering torsional resistance framework essentially nil no reason expect ribless con struction would better worse July 1980 121 5% $595 10% $795 15% $850 ZIPS 00000thru49999350 500001hru79999250 80000thru99999175 California150 PRICES SUBJECT TO CHANGE July 29-25 juillut Uttawa UMarlo CANADA / 4 4/ AIIM PAIN ca*gave Acres Ad SCALE 80 PX 80X 9284 AtTA VSTA POSTAL STN OTTAWAONTARIO CANADA KIG ST9 ElitE CUAUMUIEUI y ITTAWA AUTISM CAUM