zo owogagx~ RADIO CONTROL Larry Jolly 15781 Empire Ln Westminster CA 92683 WELCOME BACK recall last month left Kalt Alpha II nearly complete will now pick up left off Installing radio Installing radio system Alpha II couldnt simpler Alpha features very nice molded set servo holders screw together form superstrong rock-free assembly pushrod runs straight hardware both ends pushrods supplied Rotor blades Alpha II shipped Kalt H-55-type main blades H-55s multilaminate prefinished wood blades Prior flight need have bushing inserted checked balance blades latest FAI technology nonetheless very reasonable sport blades should give good performance Flying Alpha setup Alpha typical Japanese machines Use lots pitch hover take out forward flght Alpha definitely two-speed setup machine seems very happy hovering 1100 rpmwith plenty tail response might addand just happy blasting off 1600 rpm aerobatics head tail response bit good anything Ive ever flown might expect since head tail combination just won World Championships Conclusion Kalt Baron Alpha II definitely quality machine easy assemble rugged responsive will please sport competition fliers alike price well below others yet has features qualities superior flagship machines definitely recommend Alpha II machine will stand up deliver after youve worn out others After finished Alpha II chance talk Carey Woolard Hobby Dynamics told several options will available Alpha including tube tail drive Kalt fiberglass main blades hex drive starting adapter presume K&S will make Kalt may manufacturer Alpha II also available Gas machine K-5 rotor head Id like try Ive heard its real powerhouse can fly half hour single tank gasoline Also look new 60-size machine Kalt later year will top-of-the-line successor Omega Professor New Futaba As finishing Alpha II tried fit Hatori 666 muffler wasnt really happy because manifold muffler wasnt long 54 Model Aviation OS 46 carburetor small header fuel tank Hirobo Vertol tandem-rotor machine became flyable little OS 32 didnt like sucking fuel way main tanks position main tank moved center-ofgravity wouldnt have happy answer proved small feeder tank mounted next engine SACHS POWER WALKER MACHINE TOP QUALITY MATERIALS * WE USE EXCLUSIVELY SACHS-DOLMAR CRANKSHAFTS CONNECTING RODS PISTONS CYLINDERS AND ROD BEARINGS TO INSURE RELIABILITY * IGNITION-C&H * CARBURETOR-WALBRO RT 3 BOX 243-A MILTON-FREEWATER OR 97862 PH# 503 958-6743 FAX 503 938-6950 26Engine$395 32Engine$425 42Engine$495 58EngineCall Plus $10 shipping enough seems someone else same problem Hatori now produces 666-style muffler just Alpha II Futaba carries stock number Y00079 Also Futaba new S9302 servo little jewels put out 100 in-oz torque feature metal gear train Check out local dealer think youll like Top Gun Im sorry report Helicopter portion Top Gun Scale Tournament has canceled Organizer AE Stanley trying set up alternative contest Ill keep posted details Hirobo Vertol About three years ago bought first Hirobo Vertol imported US GMP seemed very expensive what box instructions good assembly very easy however very disappointed tried fly little OS 32 definitely happy machine seemed suffer low power stability problems Unhappy Vertol put back its box left being punished its dark box heard about people OS 46 Vertols still problems Time passed have admit would flying Vertol now hadnt needed larger tandem movie Out came Vertol hibernation Tony Davis checked machine out decided try few modifications First put OS 46 carb OS 32 placed small feeder tank up close motor machine completely cleaned up checked out new set blades finished off treatment andguess whatHirobo s Vertol does fly new carb fuel system produced instantaneous success have never seen such transformation little machine definitely different fly right power pitch settings completely predictable machine seems rpm-sensitive likes hover 1650 rpm Too much rpm causes vibrations too little causes machine wallow become unstable yaw After flying getting experience Ive found dampening heads really too soft machine highly gust-sensitiveto point gust has input power control systems makes flying Vertol tricky strong wind however machine very stable calm conditions have Hirobos Vertols cant get fly try carb-and-tank idea works have tell couldnt Continued page 143 July1992 55 New flybar control arms Mini-Elite rotor head Tech Specialties replace Hirobo units shipped original heads LJMPs new UH-1 N Bell 212 fuselage 60-size mechanics 66-in-long fuselage features molded windows doors intake scoops exhaust vents horizontal stabilizer Hatori #672 muffler Kalt Alpha II super muffler available Futaba comes mounting hardware behind rear Mustangs belly scoop result proper P-5 1 stance much authentic appearance model sits runway bolt-on wing seemed like natural thing entry-level P-51 filled dowel holes installed two hard maple blocks inside fuselage added pair 114-in dowels wing dowels run ply dihedral brace point 3/ beyond leading edge wing drilled holes dowels appropriate fuselage bulkhead mounted wing drilled two /I6 holes through wing maple blocks removed wing enlarged wing holes 1/4 tapped maple blocks /4-2O nylon bolts applied Zap cyanoacrylate threads allowed cure tapped again method ensures extremely hard long-lasting threads wanted give leading edges Mustangs wing roots authentic appearance added fairings made K&B microballoons polyester resin mounted wing fuselage took two pieces thin cardboard gently folded shape taped proper positions leading edges thoroughly mixed ounce K&B polyester resin 12 drops catalyst added microballoons mixture until thick paste used fill pockets formed cardboard molds resin dried pulled scraped sanded away cardboard little filling Goldbergs Model Magic wing fairings bag Took about hour no sweat picked up slick idea Great Planes Super Sportster kit used P-5 1 thought worthy attention will eliminate potential control slop caused weakened balsa under control horns avoid softening balsa control surfaces control horns attach poke number pinholes around horn mounting area both sides wood surface Saturate pinholes Zap cyanoacrylate resand everything dries Thats worries should end right ForotrolyDOCS GENERIX PLY-ROOt Ulen-Ht-Toc Fur Fly Spociat Airfoil Technology & Need Nothing Tune Batid 0-Tabo Wing Keeglus Boost & Gout Includes Whool Contest Grade Balsa & Plytenod Skids Alt Huedroore & Super Lito CovetingPRICE Conopetitioo Aiofoante tCtt$69 Computer BadiouAoltnern Engine 34 45 Full Stoo Plant TAIL GATOB 2 Kot tho Prouo beth Tail Gatornl -- Boot Goal Around No Miner Needed NOT Faint og /Os7nI Hears Oentgnod ComhatSteeateer & EtoeBenoc vZoJink9jAo Sporr Plane Wtll Pack Anybodye Lunch SPAN 30 AREA 300 ~SPECIAL PRICE 2 Pluortl $3500 CHEAP SENSATIONlatt What Seouds Like Hot Pue-Plyors Feats Wtrg Krvgtat Boom Super Lttr Gave Beowo WItrel Hardware & Great lrnoncnoes Builds tn 12 lOBs Gent Let Peter Fool tIll Btotv PO Ban 262035 ORSON Coropeunee Huge Airfotl-Flten So Sloe Tampa EL 33615 Yea Coo Walk Nest ott tts roe Pee-Hinged Try tt813-854-KITS SPAN 46 AREA 770 SPECtAL PRtCE COD Murey e Peroera sbppog SO Cater 55 Orhero $4900 Write FREE Catalog bench Nice Mustangs covering details will follow soon job promises fun Paul very visual subject has colorful powerful dynamic scheme square inch unmistakably Mustang Well thats Im leaving Weak Signals show two days just know Ill showing some great-looking models next months column Til build straight fly safely Ill talk again elicoptorslJolly Continued page 55 believe first time took off flew circuits machine really trip As big version Ill include photos details Im finished Tech Specialties Bill Ralph out Tech Specialties must have seen April column pictures Mini-Elite rotor head complained used Hirobo Shuttle flybar control arms have darned riveted balls Well just writing column what should appear front door two Tech Specialties replacement arms now come standard Mini-Elite head right size andwouldnt know itit looks like made Mini head have early Mini-Elite head call Tech Specialties get set new arms need LJMP UH-1N wanted let know LIMP has new UH-1N Twin Huey glass fuselage fuselage /7s-scale means 66 long Designed 60-size mechanics fuselage comes molded doors scoops horizontal stabilizer molded windows Vertical Flight Technologies Dan Melnik sent set NHP graphite FAI blades Initially look real good appear same class GP 9 Ils Miniature Aircraft Supply new PROPELLERS NEW 4 CYCLE SERIES 100 0 DESIGN TAILORED HELICAL PITCH DEVELOPED TO GIVE MAXIMUM THRUST AT 4 CYCLE ENGINE RPM ALLTHE LATEST TECHNIQUES USED ON OUR PRO SERIES 3 SEE BELOW DIAPITCH THP 12B6/all/z6 13677/a8 14677/e8 1567 16678 NEW PRO SERIES 3 NEW HIGH TECH AIRFOIL SECTION 10T020%INCREASE IN THRUST MPG OF SELECT HARD MAPLE WOOD WILLNOTFATIGUE LIKE SYNTHETICS FUEL PROOF HIGH LUSTER FINISH DIAPITCH 53r4 634 72833/tr4r5r6 8Sr3t/a45r6r8 6/n4566/n7 9456677/a r104566/a7 106W6W 10BEW 3114Bl7/alIz7¾B 115W 11/r67 124W 12SW 1256 P1356 1456 1556 164/N 16678 ti July1992 143 THE LEADER IN COMPETITION Electric F ight LlghRweighl 12 OILmoney hook Adiustohle switching point Sniderlesa tnrninol nony hookup FF C ont roller Mnre Power noon weighR 20 Sian 22a53x63 Very high effidency 0665 loss Add 11101 thippina CaliOosia rraidnots add 72511 S2l7 Tao Send Cheek money order CouonsnnithHIgh Sky Folaba rooneotor on~ 3929 Kansas St #9 other earonrutars utC San DIenoCA 92104 aha available RC PYLON RACING SERIES 500 DIAPITCH 7SN 5/aN 8a167/a76 SERIES 400C 8/a5r/ r6/a 7 7 /n 7 t/ 977Va7/a W WIDE BLADE EVJ EXTRA WIDE N NARROW PRICES less battery/spark plug Single cylinder$107 Twin cylinder$134 Instablock pre-mounted HEICHMUTH elearsoicadvancehasno w/system$16 moving parts adnaoce totally controlled byInstablock w/nensors mounted engine speed Engines require no msdiflcaatiosfor 2nd engine$32 atastsimplewaytoconvertyourengineNCR MEB 314x32 sparkplug $13 ForZenoahsend0uadrasthereislNSTABLOCKStitt M80 114x32 sparkplug$10 BEFORE buy.ask. iigrIitDflJtflYBNCR 10mm sparkplug$3 Shipping handling$4 COD$4 * Electronic automatic advance2nd day air add$3 * Regulated power supply * Internal over-voltage protection * Diode battery protection * 4-cell nicad operation B&P Associates Gives Total Flight Line FREEDOM battery needs call write B&P Associates PO Box 22054 Waco TX 76702-2054 817662-5587 new electric starter battery pack cuts cord has always tied starter power panel Discover freedom being able start plane wherever added safety less wire get caught prop charge hefty 4 Amp/hour pack will take through weekend flytng power enough spare dont stop have Ni-Cads virtually size imaginable cut experimenter free design whatever takes make yours best setup field Send order Verlag fur Technik und Handwerk Postfach 11 28 D-7570 Baden-Baden Iwould like order 1 free copyi magazine SCALE addressI II II II *4 blades have swept tip like sailplane white turbulator coating top surface slightly washed out hence appropriate upright performance Mine have good speed nice auto tendencies available different lengths various 60-size machines Dan also has carbon fiber tail booms tail tube drives Alpha II Contact Vertical Right Technologies information Next month Ive playing around Concept 60 hope start review next month also good chance Ill have information Airtronics Infinity 1000 Heli radio So until next month Ill BCNU RC Slope Soaring/Byors Continued page 57 anticipated no time lost overflying base maneuver model such completes three-quarters turn before turn buzzer sounds thereby just clipping turns competitive race glider designed optimal turning performance equipped flaps either mechanically electronically mixed elevator Thus pilot pulls elevator during turning process flaps droop adding lift U STARL -U INTERNATIONAL PMT Snapper Pinch-Off Timer $1950 Starline DT Timer $1350 ature 3 Timer $3000 o Starline Signature 5F Timi $1300 line Signature 1/2A 3F TImi $3500 0 Round Nose Pliers $1950 Fui Tubing 3 ft $250 sure Tank Fittin $300 Fuel Cut-Off $4O0eBunt Mechanist $1500 e Timer Start Button $1000 Font End $2000 e Wake Motor Tube $500 other Free Flight items available Please add 10% postage log $100 STARUNE INTL 6146 E CACTUS WREN ROAD TSDALE AZ 55M 144 Model Aviation quarterly PL act repons rc-replicas roplanes Covering relevant fisius Scalemodeller might find magazine particularly exciting view its colourful comprehensive documentation 0 famous planes SCALE issues contain tests scale models tips construction material colouring engines name few 4 issues/yr Subscription DM 40-Cc per annum mci p&p upon receipt invoice
