RADIO CONTROL HELICOPTERS TSURUGI new name helicopters Hirobo has synonymous helicopters years may best associated long line successful 30-size Shuttle series helicopters distributed Altech Marketing Although Hirobo has produced larger helicopters Tsurugi ultimate RC frame vs scale helicopter culmination design development efforts first paragraph Hirobos instruction manual states Tsurugi designed anyone can operate make its performance very impressive statement because means Tsurugi designed stability ruggedness required novice flier well top-of-the-line quality flight performance FM flier believe have accomplished both objectives design Tsumgi shows Hirobo has really done its homework given us virtually features could want helicopter What makes Tsurugi design stand out critical-forcontrol cyclic collective servos push-pull collective servo moving both cyclic servos together produce smooth positive collective pitch movement cyclic servos connected movable swashplate through 900 bellcranks providing full 200 precise collective movement An antirotation pin back swashplate keeps exact swasliplate alignment pitch settings receiver on/off switch battery mounted metal tray radio equipment internal two straight metal side frames maximum protection gyro mounted almost directly below main shaft best performance large easy-to-see fuel tank mounted directly below gyro eliminate CG changes fuel used Assembly helicopter kits look great box opened because parts shiny new real problem getting box flying field designed manufacturer isnt built right wont fly rightno matter good design especially important point novice flier since may unfamiliar parts required construction techniques Tsurugi solved major problem first three pages instruction manual describing what necessary items radio engine etc included what construction tools needed pictorial various screws nuts bearings explaining read sizes may seem major point goes back ease building novice ensuring Tsurugi built designed impressed both main rotor head tail rotor gearbox already assembled Although neither particularly hard assemble contain small parts critical assembly sequence can assume Hirobo again wanted ensure chance success novice flier head combination metal center hub composite yoke blade grips dual ball-bearing supported smooth operation durability thrust bearings handle centrifugal forces flybar paddles also CG-weighted thick symmetrical airfoil fairly rounded leading edge provide smooth stable flight rest Tsurugi must assembled builder August1994 85 Marion Seidel West Germany poses Hirobo Tsurugi nice Texas afternoon Push-pull cyclic servos move unison lower collective servo Note gyro under main shaft large visible tank Prebuilt head uses axial thrust bearings CG-corrected paddles all-metal ball moving swashplate antirotation pin TIR servo upside down tailboom shorter direct linkage Top main gear has removable Deirin TIR drive gear five minutes can upgrade stan dard Futaba Airtronics servos ball bearing servos new EMS Ball Bearing Conversion Kit New case tops accurately molded super tough glass filled fuel-proof Celcon include top quality stainless steel ball bearing servo output shaft * Stops case top and/or plastic bushing wear * Prevents output gear shaft shimmy * Reduces friction improves servo centering * Enhances performance airplanes boats & cars * Mandatory helicopter servos * Free output arm provided case top * Guaranteed against breakage year * pay $3995 $2995 8BC1 Fits FUTABA S28/S128 S381S138 S48/S148 Servos set 4$2595 2 As above set I$695 L3 Fits AIRTRONICS 94102 Servos set 4$2595 C4 As above set 1$695 Ball Beating Only JR 501 507 RCD APOLLO 05 10 FOCUS HS300 HS500 ACE 330342 342HS TOWER TS-51 Servos set 4$1995 Add $300 Shipping Handling orders Info OnlycalifornIa ResIdents Add 775% Sales Tax 5Orders OnlyVISA MASTERCARD Accepted U UyLL CANO PIES EGRrx-y SERVICE C 3950-A VaUyBlvd WALNUT CA 91789 909 5941471 S T F R N ED E N G n I -4 rn CALL OR WRITE FOR FREE BROCHURE instruction manual individual parts designed make pleasant accurate possible Large exploded-view diagrams guide through step pictorial left side page shows screws nuts needed part assembly design assembly points clearly demonstrate much care thought went Tsurugi side frames flat metal maximum strength weight composite bearing holders other internal parts have recessed nuts tight strong construction straight side frames allow easy access engine permitting both side- rearexhaust versions Large 4mm bolts used mount engine metal clutch bell held place double bearing holder uses very short shaft connected one-way bearing starter coupler does away need align starter shaft greatly reduces eliminates high-frequency vibration Note long 6mm shaft needed engage oneway bearing start engine have another helicopter must ordered option main gear incorporates separately mounted bevel gear drive tail rotor normally part gear traln damaged tail rotor contacts ground Rather replacing entire gear top portion would need replaced pushrods depicted instruction manual specified lengths greatly helps both novice experienced fliers set up Tsurugi properly easily fuel tank snaps place between side frames can moved slightly right allow further clearance muffler needed composite landing gear keeps Tsurugi well away ground greatly appreciated flying unprepared fields Although billed unbreakable appears strong enough light 35 grams/l24 ouns Powerful new standard high-output 1/2A engines Versatile Two models available Cmnpetition/Sport RY0T Roll-Your-Own Timing ANNOUNCING TIlE NEW KI 049 Which model Have used Drernel tool engine own Did run ster afterwail answer Yes both questions will love VA 048 H YQT answer either question No will love VA 049 Coxnpelition/Sport Need lots power lots noise have 5-gram muffler available Available frcsn local dealer distributed SIB Mfg 515 623-5154 34 Also available frtxn Aldrich Models 2101 656-2021 l5ustom liraltsmanship 619 728-4365 Imparted ly Uaa luthederd n Nil lpsrt/Ixpart 206 4Al-766 Fax 266 4R7l73 also Importing terrific-flying JunIor 451 C02-powered AHF Free Flight model 25 wIngspan 3 ounces Easy assemble operate consider DP-03 E02 motor package conversion rubber-power models ease reliablity E02 power Both JunIor 451 DP-03 distributed SIG Mfg 86 Model Aviation 3 Mission Hil Yorba Linda CA QJMLIT/ WTEGRITY SERVICE QUALTTY ThTEGRTJV SERVICE MLITY PIrEGRTTY SERVICE C Ci w T P E R R 0 0 P take hard landings novice misjudged auto advanced flier octagonal tailboom design increases its strength allows precise alignment eliminates possibility rotation during use tail rotor wire driven has flat end allows slide easily pinion gear counter shaft makes easy remove tailboom maintenance transportation provides slip-free connection use set screws An optional carbon-fiber tube drive also available tail rotor servo mounted next tailboom aft main frame providing straight direct TIR pushrod horizontal vertical fins well flybar paddles made plastic airfoil shape maximum effectiveness have hollowed lightness Easy stickon covering provided canopy mounted using four 3mm screws great care has taken design ensure extended use does fatigue canopy rubber damper installed mounting hole canopy plastic collar fits between mounting screw damper further protection typical 45 will turn 13-6 over 10000 get 3 minutes oz & idle well below 2000 UNLEASHthePOWERfromWITHIN DIESELIZE its AWESOME Bigger Engine Wont Fit More Power Bigger Props Super Economy Less Noise No Glowplugs Low Idle Ask yaw hc isw ar call empiste cinwsg seal self -aidrssssi 1k slaupi #10 unalap 13200 criltad 1st inNer L DAVIS DIESEL DEVEINMENJ 11141 d CT 01460 U11-lSfl 4 Non-SIip Straight Edge Place Press Cut 123456789 cml234567891011121314151617181920212223 iii * Tiny stainless steel gripper feet hold Straight Edge place * you cut mark wood Ends frustration wandering cuts lines Both English Metric scales easy measurement * Useful conversion tables printed back * Comes convenient storage tube Product No FOR 149 Length 1 Meter 3936 inches FOURMOST PRODUCTS Price$1 495 Look other great products Fournost nearest hobby dealer direct orders include $350 Shipping 24th Avenue Forest Grove OR 97116 Model Airplane Design Performance Modeler must model airplane builders flyers library covers model airplane design performance ROLL modeler mind Instead complicated mathematics 288 ~ pages numerous illustrations examples used Topscs arranged sequence leads illustrated example designs o control model airplanes Early Developments Terminology Aerodynamics z Stability Control Performance DesignToll Free Orders MC VISA & AM X Author Chevalier rofessor emeritus aerospace engineering 1-800-364-BOOK 50 years model building flying AMA 7503Check M 0 Challenge Engineering Inc PO Box 67 shipping handingNew Baden TX 77870 $2495TX residents add tax -- US currency August1994 87 Prebuilt T/R has composite case uses thrust bearings Large plastic blades have symmetrical airfoil control 3IE MOI All new heavy-duty ignition system featuring Low drain high output circuit Will run 15000 rpm American-made spark coil Spark plug lead eas ily replaced Heavy-duty aluminum case shielded resistor spaili plug lead shielded cover Prices include switch harness pulse switch Available T&G Byronis A&M Biisson older CH systems accesso ries parts custom installation Send $2 price list newsletter oideflr instructions 88 Model Aviation re proper setup novice flier pitch gauge provided pages instruction manual devoted matching controls transmitter proper movements helicopter Several pitch curves also graphically displayed using computer radios As can tell long list features Im impressed thought attention detail went design Isurugi However few areas would like see changed Although ball bearings widely used throughout helicopter moving servo tray bellcranks supported plastic bearings imagine attempt keep price down ball bearings available option 4mm main blade bolts completely threaded would stronger last portion threaded Other Equipment Tsurugi powered Enya 60X using optional Hirobo muffler have using engine several years continues start easily provide plenty power very reliableall qualities needed helicopter flying previous columns featured Airtronics Infinity 660 radio well Hitecs line radio control equipment decided use combination Tsurugi Airtronics 660 computerized transmitter makes initial setup easy provides computerized mixing heli features could want airborne electronics powered 1000 mAh SR battery pack have always pleased SR packs capacity-to-weight ratio well reliability aircraft-quality construction rest flight pack includes Hitec s new Supreme Series receiveran improvement over already bullet-proof Platinum receiver smaller has better technical specs immune vibration Servos Hitecs HS-425s high-speed dual ball-bearing torque 43 ounce-inches Servos quality power must movable servo tray take advantage push-pull flight controls V 8- BALL SPECIAL Giant Sport its Best premium quality wood & foam kit containing hand cut balsa ply parts f cowl aluminum landing gear canopy foam wing cores rolled plans Extremely aerobatic yet capable slow solid flight Span ht 175 lbs Area 1360 Length 63 Intro Prje 19995Power &42 similar List 9 510 S&H NYS add 7X tax Reids Quality Model Products 16 Main Street Phelps New York 14532 Catalog Sl0O 3155483779 American Made QUICK-BUILT SUPER TOUGH * Quick-Built Super Tough AirCore 40 family Trainer NEW VHS VIDEO CATALOG $695 &h Texas esiden s please add sales tas US Air Core 4576 Claire Chennault Hangar 7 Dallas TX 75248 1-800-336-0602 orders 214 250-1914 info Final setup checked using ElectroDynamics EDR-201 Eye Test current probe measure individual servo current drain can used identify servo gyro charger problems before cause crashes setup check high current readings servos moved throughout full travel limits would indicate control binding Flight Tests Initial test hovering backyard showed Tsurugi smooth stable helicopter variables designing rotor head Hirobo has managed keep same feel well-known Shuttle has good friend new fliers calm days precise hovering soft-feeling controls can achieved rotor speeds 1300 rpm range higher rotor speeds needed windy conditions general flying Taking Tsurugi upstairs head speed 1700 rpm range made come alive both performance capability General flying enjoyable windy Texas day plenty power Enya enabling perform maneuver desired large pitch window allows full freedom aerobatic freestyle flying still allowing sufficient positive pitch easy autos Tsurugis large 60inch rotor diameter Except relatively minor points noted would hard-pressed find fault Tsurugi either novice expert flier Hirobo has come up design parameters make Tsurugi extremely stable hover novice pilot yet maneuverable enough advanced hot-dog fliers well hope like much Tsurugi Specifications Main rotor 60 inches tail rotor 11 inches body length 52 inches weight 10 pounds engine 60 radio required five-channel heli Altech Marketing PO Box 391 Edison NJ 08818 Airtronics Inc 11 Autry Irvine CA 92718 Hitec RCD Inc 10729 Wheatlands Aye Suite C Santee CA 92071 SR Batteries Box 287 BellportNY 11713 ElectroDynamics Inc 9557 Crosley Redford MI 48239 UCTS Complete Line Exhaust Systems * Tuned Pipes led Tuned Piaes Headers Venturi Mufflers Expansion Mufflers copter Ball Mufflers ialized Exhaust Systems Unsurpassad Warkmanshin & Performance ark. R/C Flight Simulator IBM PCS & ComDatibles Excellent flight equations Superb graphics Several styles aircraft Easily set up fly like bird features aid learning Skylark realistic RIO Helicopter flight simulator available today Call Now 313 662-LARK Airplane version coming soon 60-u 2-SIROKE 52-I20 4-S7ROKE WEIGHT9-10 L& mxo PIUCE$18500 ALL KITS FEATURE HAND MID FIBERGLASS FUSELAGEPANEL UNES & SCALE DETAILSFOAM CORE WINGS & MACHINE CUE FORMERS & BULKIIEADS SEE YOUR LOCAL DFALER OR CALL HOBBY HANGAR 6O6283-S 746 FOR IMMEDUTh DEU VERY DE4LER INQUIRIES WELCOME WEACCEPT W&4 M4S7ERCARD & DISCOVER C4RD& WE GLADLYSIIIP COD SHIPPING & IIANDUNG $500 PER KIT CONTINENTAL USA OThER AREAS CALL KENTUCKY RESIDENTS ADD 6% SALES TAX HOBBY HANGAR IS FULL SERVICE HOBBY SHOP WITH OVER 11000 ITEMS IN STOCI CATALOGS AVAILABLE $400 EACH WIREBATE ON FIRST ORDER SPECIFY PLANEHELICOPTER OR CAR EXCLUSIVE DISTRIBUTOR OP FIBER SCALE MODELS I153 LLOYD AVE [CE1042 606-283-5746 PHONE 606-282-4666 FAX August 1994 89 WANTED Ignition Model Engines 1930s 1950s Elf Baby Cyclone Brown Jr Ohlsson Etc -ALSO Model Race Cars & Boats Any Parts Spark Plugs Etc Woody Bartelt 1301 W Lafayette Sturgis MI 49091 800-982-5464 616-665-9693 FOCKE WULF 190 Made USA SPECIFICATIONS WING SPAN 65 ENGINE SIZE RC Flight Training Beg inner advanced tailored indMdual long-time modeler full size airplane flight instruc tor will make progress fun easy during week stay beautiful far western North Carolina Write orcall formore information RC flight Training 704 3894968 RALJAW5ALE5 eA I-nev/ewLn Hymouth MN 5b442 Phone 6 12 557-6654 Fax 612550-0454 ALSO AVAILABLE P47 Thunderbolt $17000 P-40 Warhawk $17000 Cessna 150 $17000 Giant Scale Me-lOg 37500
Edition: Model Aviation - 1994/08
Page Numbers: 85, 86, 87, 88, 89
RADIO CONTROL HELICOPTERS TSURUGI new name helicopters Hirobo has synonymous helicopters years may best associated long line successful 30-size Shuttle series helicopters distributed Altech Marketing Although Hirobo has produced larger helicopters Tsurugi ultimate RC frame vs scale helicopter culmination design development efforts first paragraph Hirobos instruction manual states Tsurugi designed anyone can operate make its performance very impressive statement because means Tsurugi designed stability ruggedness required novice flier well top-of-the-line quality flight performance FM flier believe have accomplished both objectives design Tsumgi shows Hirobo has really done its homework given us virtually features could want helicopter What makes Tsurugi design stand out critical-forcontrol cyclic collective servos push-pull collective servo moving both cyclic servos together produce smooth positive collective pitch movement cyclic servos connected movable swashplate through 900 bellcranks providing full 200 precise collective movement An antirotation pin back swashplate keeps exact swasliplate alignment pitch settings receiver on/off switch battery mounted metal tray radio equipment internal two straight metal side frames maximum protection gyro mounted almost directly below main shaft best performance large easy-to-see fuel tank mounted directly below gyro eliminate CG changes fuel used Assembly helicopter kits look great box opened because parts shiny new real problem getting box flying field designed manufacturer isnt built right wont fly rightno matter good design especially important point novice flier since may unfamiliar parts required construction techniques Tsurugi solved major problem first three pages instruction manual describing what necessary items radio engine etc included what construction tools needed pictorial various screws nuts bearings explaining read sizes may seem major point goes back ease building novice ensuring Tsurugi built designed impressed both main rotor head tail rotor gearbox already assembled Although neither particularly hard assemble contain small parts critical assembly sequence can assume Hirobo again wanted ensure chance success novice flier head combination metal center hub composite yoke blade grips dual ball-bearing supported smooth operation durability thrust bearings handle centrifugal forces flybar paddles also CG-weighted thick symmetrical airfoil fairly rounded leading edge provide smooth stable flight rest Tsurugi must assembled builder August1994 85 Marion Seidel West Germany poses Hirobo Tsurugi nice Texas afternoon Push-pull cyclic servos move unison lower collective servo Note gyro under main shaft large visible tank Prebuilt head uses axial thrust bearings CG-corrected paddles all-metal ball moving swashplate antirotation pin TIR servo upside down tailboom shorter direct linkage Top main gear has removable Deirin TIR drive gear five minutes can upgrade stan dard Futaba Airtronics servos ball bearing servos new EMS Ball Bearing Conversion Kit New case tops accurately molded super tough glass filled fuel-proof Celcon include top quality stainless steel ball bearing servo output shaft * Stops case top and/or plastic bushing wear * Prevents output gear shaft shimmy * Reduces friction improves servo centering * Enhances performance airplanes boats & cars * Mandatory helicopter servos * Free output arm provided case top * Guaranteed against breakage year * pay $3995 $2995 8BC1 Fits FUTABA S28/S128 S381S138 S48/S148 Servos set 4$2595 2 As above set I$695 L3 Fits AIRTRONICS 94102 Servos set 4$2595 C4 As above set 1$695 Ball Beating Only JR 501 507 RCD APOLLO 05 10 FOCUS HS300 HS500 ACE 330342 342HS TOWER TS-51 Servos set 4$1995 Add $300 Shipping Handling orders Info OnlycalifornIa ResIdents Add 775% Sales Tax 5Orders OnlyVISA MASTERCARD Accepted U UyLL CANO PIES EGRrx-y SERVICE C 3950-A VaUyBlvd WALNUT CA 91789 909 5941471 S T F R N ED E N G n I -4 rn CALL OR WRITE FOR FREE BROCHURE instruction manual individual parts designed make pleasant accurate possible Large exploded-view diagrams guide through step pictorial left side page shows screws nuts needed part assembly design assembly points clearly demonstrate much care thought went Tsurugi side frames flat metal maximum strength weight composite bearing holders other internal parts have recessed nuts tight strong construction straight side frames allow easy access engine permitting both side- rearexhaust versions Large 4mm bolts used mount engine metal clutch bell held place double bearing holder uses very short shaft connected one-way bearing starter coupler does away need align starter shaft greatly reduces eliminates high-frequency vibration Note long 6mm shaft needed engage oneway bearing start engine have another helicopter must ordered option main gear incorporates separately mounted bevel gear drive tail rotor normally part gear traln damaged tail rotor contacts ground Rather replacing entire gear top portion would need replaced pushrods depicted instruction manual specified lengths greatly helps both novice experienced fliers set up Tsurugi properly easily fuel tank snaps place between side frames can moved slightly right allow further clearance muffler needed composite landing gear keeps Tsurugi well away ground greatly appreciated flying unprepared fields Although billed unbreakable appears strong enough light 35 grams/l24 ouns Powerful new standard high-output 1/2A engines Versatile Two models available Cmnpetition/Sport RY0T Roll-Your-Own Timing ANNOUNCING TIlE NEW KI 049 Which model Have used Drernel tool engine own Did run ster afterwail answer Yes both questions will love VA 048 H YQT answer either question No will love VA 049 Coxnpelition/Sport Need lots power lots noise have 5-gram muffler available Available frcsn local dealer distributed SIB Mfg 515 623-5154 34 Also available frtxn Aldrich Models 2101 656-2021 l5ustom liraltsmanship 619 728-4365 Imparted ly Uaa luthederd n Nil lpsrt/Ixpart 206 4Al-766 Fax 266 4R7l73 also Importing terrific-flying JunIor 451 C02-powered AHF Free Flight model 25 wIngspan 3 ounces Easy assemble operate consider DP-03 E02 motor package conversion rubber-power models ease reliablity E02 power Both JunIor 451 DP-03 distributed SIG Mfg 86 Model Aviation 3 Mission Hil Yorba Linda CA QJMLIT/ WTEGRITY SERVICE QUALTTY ThTEGRTJV SERVICE MLITY PIrEGRTTY SERVICE C Ci w T P E R R 0 0 P take hard landings novice misjudged auto advanced flier octagonal tailboom design increases its strength allows precise alignment eliminates possibility rotation during use tail rotor wire driven has flat end allows slide easily pinion gear counter shaft makes easy remove tailboom maintenance transportation provides slip-free connection use set screws An optional carbon-fiber tube drive also available tail rotor servo mounted next tailboom aft main frame providing straight direct TIR pushrod horizontal vertical fins well flybar paddles made plastic airfoil shape maximum effectiveness have hollowed lightness Easy stickon covering provided canopy mounted using four 3mm screws great care has taken design ensure extended use does fatigue canopy rubber damper installed mounting hole canopy plastic collar fits between mounting screw damper further protection typical 45 will turn 13-6 over 10000 get 3 minutes oz & idle well below 2000 UNLEASHthePOWERfromWITHIN DIESELIZE its AWESOME Bigger Engine Wont Fit More Power Bigger Props Super Economy Less Noise No Glowplugs Low Idle Ask yaw hc isw ar call empiste cinwsg seal self -aidrssssi 1k slaupi #10 unalap 13200 criltad 1st inNer L DAVIS DIESEL DEVEINMENJ 11141 d CT 01460 U11-lSfl 4 Non-SIip Straight Edge Place Press Cut 123456789 cml234567891011121314151617181920212223 iii * Tiny stainless steel gripper feet hold Straight Edge place * you cut mark wood Ends frustration wandering cuts lines Both English Metric scales easy measurement * Useful conversion tables printed back * Comes convenient storage tube Product No FOR 149 Length 1 Meter 3936 inches FOURMOST PRODUCTS Price$1 495 Look other great products Fournost nearest hobby dealer direct orders include $350 Shipping 24th Avenue Forest Grove OR 97116 Model Airplane Design Performance Modeler must model airplane builders flyers library covers model airplane design performance ROLL modeler mind Instead complicated mathematics 288 ~ pages numerous illustrations examples used Topscs arranged sequence leads illustrated example designs o control model airplanes Early Developments Terminology Aerodynamics z Stability Control Performance DesignToll Free Orders MC VISA & AM X Author Chevalier rofessor emeritus aerospace engineering 1-800-364-BOOK 50 years model building flying AMA 7503Check M 0 Challenge Engineering Inc PO Box 67 shipping handingNew Baden TX 77870 $2495TX residents add tax -- US currency August1994 87 Prebuilt T/R has composite case uses thrust bearings Large plastic blades have symmetrical airfoil control 3IE MOI All new heavy-duty ignition system featuring Low drain high output circuit Will run 15000 rpm American-made spark coil Spark plug lead eas ily replaced Heavy-duty aluminum case shielded resistor spaili plug lead shielded cover Prices include switch harness pulse switch Available T&G Byronis A&M Biisson older CH systems accesso ries parts custom installation Send $2 price list newsletter oideflr instructions 88 Model Aviation re proper setup novice flier pitch gauge provided pages instruction manual devoted matching controls transmitter proper movements helicopter Several pitch curves also graphically displayed using computer radios As can tell long list features Im impressed thought attention detail went design Isurugi However few areas would like see changed Although ball bearings widely used throughout helicopter moving servo tray bellcranks supported plastic bearings imagine attempt keep price down ball bearings available option 4mm main blade bolts completely threaded would stronger last portion threaded Other Equipment Tsurugi powered Enya 60X using optional Hirobo muffler have using engine several years continues start easily provide plenty power very reliableall qualities needed helicopter flying previous columns featured Airtronics Infinity 660 radio well Hitecs line radio control equipment decided use combination Tsurugi Airtronics 660 computerized transmitter makes initial setup easy provides computerized mixing heli features could want airborne electronics powered 1000 mAh SR battery pack have always pleased SR packs capacity-to-weight ratio well reliability aircraft-quality construction rest flight pack includes Hitec s new Supreme Series receiveran improvement over already bullet-proof Platinum receiver smaller has better technical specs immune vibration Servos Hitecs HS-425s high-speed dual ball-bearing torque 43 ounce-inches Servos quality power must movable servo tray take advantage push-pull flight controls V 8- BALL SPECIAL Giant Sport its Best premium quality wood & foam kit containing hand cut balsa ply parts f cowl aluminum landing gear canopy foam wing cores rolled plans Extremely aerobatic yet capable slow solid flight Span ht 175 lbs Area 1360 Length 63 Intro Prje 19995Power &42 similar List 9 510 S&H NYS add 7X tax Reids Quality Model Products 16 Main Street Phelps New York 14532 Catalog Sl0O 3155483779 American Made QUICK-BUILT SUPER TOUGH * Quick-Built Super Tough AirCore 40 family Trainer NEW VHS VIDEO CATALOG $695 &h Texas esiden s please add sales tas US Air Core 4576 Claire Chennault Hangar 7 Dallas TX 75248 1-800-336-0602 orders 214 250-1914 info Final setup checked using ElectroDynamics EDR-201 Eye Test current probe measure individual servo current drain can used identify servo gyro charger problems before cause crashes setup check high current readings servos moved throughout full travel limits would indicate control binding Flight Tests Initial test hovering backyard showed Tsurugi smooth stable helicopter variables designing rotor head Hirobo has managed keep same feel well-known Shuttle has good friend new fliers calm days precise hovering soft-feeling controls can achieved rotor speeds 1300 rpm range higher rotor speeds needed windy conditions general flying Taking Tsurugi upstairs head speed 1700 rpm range made come alive both performance capability General flying enjoyable windy Texas day plenty power Enya enabling perform maneuver desired large pitch window allows full freedom aerobatic freestyle flying still allowing sufficient positive pitch easy autos Tsurugis large 60inch rotor diameter Except relatively minor points noted would hard-pressed find fault Tsurugi either novice expert flier Hirobo has come up design parameters make Tsurugi extremely stable hover novice pilot yet maneuverable enough advanced hot-dog fliers well hope like much Tsurugi Specifications Main rotor 60 inches tail rotor 11 inches body length 52 inches weight 10 pounds engine 60 radio required five-channel heli Altech Marketing PO Box 391 Edison NJ 08818 Airtronics Inc 11 Autry Irvine CA 92718 Hitec RCD Inc 10729 Wheatlands Aye Suite C Santee CA 92071 SR Batteries Box 287 BellportNY 11713 ElectroDynamics Inc 9557 Crosley Redford MI 48239 UCTS Complete Line Exhaust Systems * Tuned Pipes led Tuned Piaes Headers Venturi Mufflers Expansion Mufflers copter Ball Mufflers ialized Exhaust Systems Unsurpassad Warkmanshin & Performance ark. R/C Flight Simulator IBM PCS & ComDatibles Excellent flight equations Superb graphics Several styles aircraft Easily set up fly like bird features aid learning Skylark realistic RIO Helicopter flight simulator available today Call Now 313 662-LARK Airplane version coming soon 60-u 2-SIROKE 52-I20 4-S7ROKE WEIGHT9-10 L& mxo PIUCE$18500 ALL KITS FEATURE HAND MID FIBERGLASS FUSELAGEPANEL UNES & SCALE DETAILSFOAM CORE WINGS & MACHINE CUE FORMERS & BULKIIEADS SEE YOUR LOCAL DFALER OR CALL HOBBY HANGAR 6O6283-S 746 FOR IMMEDUTh DEU VERY DE4LER INQUIRIES WELCOME WEACCEPT W&4 M4S7ERCARD & DISCOVER C4RD& WE GLADLYSIIIP COD SHIPPING & IIANDUNG $500 PER KIT CONTINENTAL USA OThER AREAS CALL KENTUCKY RESIDENTS ADD 6% SALES TAX HOBBY HANGAR IS FULL SERVICE HOBBY SHOP WITH OVER 11000 ITEMS IN STOCI CATALOGS AVAILABLE $400 EACH WIREBATE ON FIRST ORDER SPECIFY PLANEHELICOPTER OR CAR EXCLUSIVE DISTRIBUTOR OP FIBER SCALE MODELS I153 LLOYD AVE [CE1042 606-283-5746 PHONE 606-282-4666 FAX August 1994 89 WANTED Ignition Model Engines 1930s 1950s Elf Baby Cyclone Brown Jr Ohlsson Etc -ALSO Model Race Cars & Boats Any Parts Spark Plugs Etc Woody Bartelt 1301 W Lafayette Sturgis MI 49091 800-982-5464 616-665-9693 FOCKE WULF 190 Made USA SPECIFICATIONS WING SPAN 65 ENGINE SIZE RC Flight Training Beg inner advanced tailored indMdual long-time modeler full size airplane flight instruc tor will make progress fun easy during week stay beautiful far western North Carolina Write orcall formore information RC flight Training 704 3894968 RALJAW5ALE5 eA I-nev/ewLn Hymouth MN 5b442 Phone 6 12 557-6654 Fax 612550-0454 ALSO AVAILABLE P47 Thunderbolt $17000 P-40 Warhawk $17000 Cessna 150 $17000 Giant Scale Me-lOg 37500
Edition: Model Aviation - 1994/08
Page Numbers: 85, 86, 87, 88, 89
RADIO CONTROL HELICOPTERS TSURUGI new name helicopters Hirobo has synonymous helicopters years may best associated long line successful 30-size Shuttle series helicopters distributed Altech Marketing Although Hirobo has produced larger helicopters Tsurugi ultimate RC frame vs scale helicopter culmination design development efforts first paragraph Hirobos instruction manual states Tsurugi designed anyone can operate make its performance very impressive statement because means Tsurugi designed stability ruggedness required novice flier well top-of-the-line quality flight performance FM flier believe have accomplished both objectives design Tsumgi shows Hirobo has really done its homework given us virtually features could want helicopter What makes Tsurugi design stand out critical-forcontrol cyclic collective servos push-pull collective servo moving both cyclic servos together produce smooth positive collective pitch movement cyclic servos connected movable swashplate through 900 bellcranks providing full 200 precise collective movement An antirotation pin back swashplate keeps exact swasliplate alignment pitch settings receiver on/off switch battery mounted metal tray radio equipment internal two straight metal side frames maximum protection gyro mounted almost directly below main shaft best performance large easy-to-see fuel tank mounted directly below gyro eliminate CG changes fuel used Assembly helicopter kits look great box opened because parts shiny new real problem getting box flying field designed manufacturer isnt built right wont fly rightno matter good design especially important point novice flier since may unfamiliar parts required construction techniques Tsurugi solved major problem first three pages instruction manual describing what necessary items radio engine etc included what construction tools needed pictorial various screws nuts bearings explaining read sizes may seem major point goes back ease building novice ensuring Tsurugi built designed impressed both main rotor head tail rotor gearbox already assembled Although neither particularly hard assemble contain small parts critical assembly sequence can assume Hirobo again wanted ensure chance success novice flier head combination metal center hub composite yoke blade grips dual ball-bearing supported smooth operation durability thrust bearings handle centrifugal forces flybar paddles also CG-weighted thick symmetrical airfoil fairly rounded leading edge provide smooth stable flight rest Tsurugi must assembled builder August1994 85 Marion Seidel West Germany poses Hirobo Tsurugi nice Texas afternoon Push-pull cyclic servos move unison lower collective servo Note gyro under main shaft large visible tank Prebuilt head uses axial thrust bearings CG-corrected paddles all-metal ball moving swashplate antirotation pin TIR servo upside down tailboom shorter direct linkage Top main gear has removable Deirin TIR drive gear five minutes can upgrade stan dard Futaba Airtronics servos ball bearing servos new EMS Ball Bearing Conversion Kit New case tops accurately molded super tough glass filled fuel-proof Celcon include top quality stainless steel ball bearing servo output shaft * Stops case top and/or plastic bushing wear * Prevents output gear shaft shimmy * Reduces friction improves servo centering * Enhances performance airplanes boats & cars * Mandatory helicopter servos * Free output arm provided case top * Guaranteed against breakage year * pay $3995 $2995 8BC1 Fits FUTABA S28/S128 S381S138 S48/S148 Servos set 4$2595 2 As above set I$695 L3 Fits AIRTRONICS 94102 Servos set 4$2595 C4 As above set 1$695 Ball Beating Only JR 501 507 RCD APOLLO 05 10 FOCUS HS300 HS500 ACE 330342 342HS TOWER TS-51 Servos set 4$1995 Add $300 Shipping Handling orders Info OnlycalifornIa ResIdents Add 775% Sales Tax 5Orders OnlyVISA MASTERCARD Accepted U UyLL CANO PIES EGRrx-y SERVICE C 3950-A VaUyBlvd WALNUT CA 91789 909 5941471 S T F R N ED E N G n I -4 rn CALL OR WRITE FOR FREE BROCHURE instruction manual individual parts designed make pleasant accurate possible Large exploded-view diagrams guide through step pictorial left side page shows screws nuts needed part assembly design assembly points clearly demonstrate much care thought went Tsurugi side frames flat metal maximum strength weight composite bearing holders other internal parts have recessed nuts tight strong construction straight side frames allow easy access engine permitting both side- rearexhaust versions Large 4mm bolts used mount engine metal clutch bell held place double bearing holder uses very short shaft connected one-way bearing starter coupler does away need align starter shaft greatly reduces eliminates high-frequency vibration Note long 6mm shaft needed engage oneway bearing start engine have another helicopter must ordered option main gear incorporates separately mounted bevel gear drive tail rotor normally part gear traln damaged tail rotor contacts ground Rather replacing entire gear top portion would need replaced pushrods depicted instruction manual specified lengths greatly helps both novice experienced fliers set up Tsurugi properly easily fuel tank snaps place between side frames can moved slightly right allow further clearance muffler needed composite landing gear keeps Tsurugi well away ground greatly appreciated flying unprepared fields Although billed unbreakable appears strong enough light 35 grams/l24 ouns Powerful new standard high-output 1/2A engines Versatile Two models available Cmnpetition/Sport RY0T Roll-Your-Own Timing ANNOUNCING TIlE NEW KI 049 Which model Have used Drernel tool engine own Did run ster afterwail answer Yes both questions will love VA 048 H YQT answer either question No will love VA 049 Coxnpelition/Sport Need lots power lots noise have 5-gram muffler available Available frcsn local dealer distributed SIB Mfg 515 623-5154 34 Also available frtxn Aldrich Models 2101 656-2021 l5ustom liraltsmanship 619 728-4365 Imparted ly Uaa luthederd n Nil lpsrt/Ixpart 206 4Al-766 Fax 266 4R7l73 also Importing terrific-flying JunIor 451 C02-powered AHF Free Flight model 25 wIngspan 3 ounces Easy assemble operate consider DP-03 E02 motor package conversion rubber-power models ease reliablity E02 power Both JunIor 451 DP-03 distributed SIG Mfg 86 Model Aviation 3 Mission Hil Yorba Linda CA QJMLIT/ WTEGRITY SERVICE QUALTTY ThTEGRTJV SERVICE MLITY PIrEGRTTY SERVICE C Ci w T P E R R 0 0 P take hard landings novice misjudged auto advanced flier octagonal tailboom design increases its strength allows precise alignment eliminates possibility rotation during use tail rotor wire driven has flat end allows slide easily pinion gear counter shaft makes easy remove tailboom maintenance transportation provides slip-free connection use set screws An optional carbon-fiber tube drive also available tail rotor servo mounted next tailboom aft main frame providing straight direct TIR pushrod horizontal vertical fins well flybar paddles made plastic airfoil shape maximum effectiveness have hollowed lightness Easy stickon covering provided canopy mounted using four 3mm screws great care has taken design ensure extended use does fatigue canopy rubber damper installed mounting hole canopy plastic collar fits between mounting screw damper further protection typical 45 will turn 13-6 over 10000 get 3 minutes oz & idle well below 2000 UNLEASHthePOWERfromWITHIN DIESELIZE its AWESOME Bigger Engine Wont Fit More Power Bigger Props Super Economy Less Noise No Glowplugs Low Idle Ask yaw hc isw ar call empiste cinwsg seal self -aidrssssi 1k slaupi #10 unalap 13200 criltad 1st inNer L DAVIS DIESEL DEVEINMENJ 11141 d CT 01460 U11-lSfl 4 Non-SIip Straight Edge Place Press Cut 123456789 cml234567891011121314151617181920212223 iii * Tiny stainless steel gripper feet hold Straight Edge place * you cut mark wood Ends frustration wandering cuts lines Both English Metric scales easy measurement * Useful conversion tables printed back * Comes convenient storage tube Product No FOR 149 Length 1 Meter 3936 inches FOURMOST PRODUCTS Price$1 495 Look other great products Fournost nearest hobby dealer direct orders include $350 Shipping 24th Avenue Forest Grove OR 97116 Model Airplane Design Performance Modeler must model airplane builders flyers library covers model airplane design performance ROLL modeler mind Instead complicated mathematics 288 ~ pages numerous illustrations examples used Topscs arranged sequence leads illustrated example designs o control model airplanes Early Developments Terminology Aerodynamics z Stability Control Performance DesignToll Free Orders MC VISA & AM X Author Chevalier rofessor emeritus aerospace engineering 1-800-364-BOOK 50 years model building flying AMA 7503Check M 0 Challenge Engineering Inc PO Box 67 shipping handingNew Baden TX 77870 $2495TX residents add tax -- US currency August1994 87 Prebuilt T/R has composite case uses thrust bearings Large plastic blades have symmetrical airfoil control 3IE MOI All new heavy-duty ignition system featuring Low drain high output circuit Will run 15000 rpm American-made spark coil Spark plug lead eas ily replaced Heavy-duty aluminum case shielded resistor spaili plug lead shielded cover Prices include switch harness pulse switch Available T&G Byronis A&M Biisson older CH systems accesso ries parts custom installation Send $2 price list newsletter oideflr instructions 88 Model Aviation re proper setup novice flier pitch gauge provided pages instruction manual devoted matching controls transmitter proper movements helicopter Several pitch curves also graphically displayed using computer radios As can tell long list features Im impressed thought attention detail went design Isurugi However few areas would like see changed Although ball bearings widely used throughout helicopter moving servo tray bellcranks supported plastic bearings imagine attempt keep price down ball bearings available option 4mm main blade bolts completely threaded would stronger last portion threaded Other Equipment Tsurugi powered Enya 60X using optional Hirobo muffler have using engine several years continues start easily provide plenty power very reliableall qualities needed helicopter flying previous columns featured Airtronics Infinity 660 radio well Hitecs line radio control equipment decided use combination Tsurugi Airtronics 660 computerized transmitter makes initial setup easy provides computerized mixing heli features could want airborne electronics powered 1000 mAh SR battery pack have always pleased SR packs capacity-to-weight ratio well reliability aircraft-quality construction rest flight pack includes Hitec s new Supreme Series receiveran improvement over already bullet-proof Platinum receiver smaller has better technical specs immune vibration Servos Hitecs HS-425s high-speed dual ball-bearing torque 43 ounce-inches Servos quality power must movable servo tray take advantage push-pull flight controls V 8- BALL SPECIAL Giant Sport its Best premium quality wood & foam kit containing hand cut balsa ply parts f cowl aluminum landing gear canopy foam wing cores rolled plans Extremely aerobatic yet capable slow solid flight Span ht 175 lbs Area 1360 Length 63 Intro Prje 19995Power &42 similar List 9 510 S&H NYS add 7X tax Reids Quality Model Products 16 Main Street Phelps New York 14532 Catalog Sl0O 3155483779 American Made QUICK-BUILT SUPER TOUGH * Quick-Built Super Tough AirCore 40 family Trainer NEW VHS VIDEO CATALOG $695 &h Texas esiden s please add sales tas US Air Core 4576 Claire Chennault Hangar 7 Dallas TX 75248 1-800-336-0602 orders 214 250-1914 info Final setup checked using ElectroDynamics EDR-201 Eye Test current probe measure individual servo current drain can used identify servo gyro charger problems before cause crashes setup check high current readings servos moved throughout full travel limits would indicate control binding Flight Tests Initial test hovering backyard showed Tsurugi smooth stable helicopter variables designing rotor head Hirobo has managed keep same feel well-known Shuttle has good friend new fliers calm days precise hovering soft-feeling controls can achieved rotor speeds 1300 rpm range higher rotor speeds needed windy conditions general flying Taking Tsurugi upstairs head speed 1700 rpm range made come alive both performance capability General flying enjoyable windy Texas day plenty power Enya enabling perform maneuver desired large pitch window allows full freedom aerobatic freestyle flying still allowing sufficient positive pitch easy autos Tsurugis large 60inch rotor diameter Except relatively minor points noted would hard-pressed find fault Tsurugi either novice expert flier Hirobo has come up design parameters make Tsurugi extremely stable hover novice pilot yet maneuverable enough advanced hot-dog fliers well hope like much Tsurugi Specifications Main rotor 60 inches tail rotor 11 inches body length 52 inches weight 10 pounds engine 60 radio required five-channel heli Altech Marketing PO Box 391 Edison NJ 08818 Airtronics Inc 11 Autry Irvine CA 92718 Hitec RCD Inc 10729 Wheatlands Aye Suite C Santee CA 92071 SR Batteries Box 287 BellportNY 11713 ElectroDynamics Inc 9557 Crosley Redford MI 48239 UCTS Complete Line Exhaust Systems * Tuned Pipes led Tuned Piaes Headers Venturi Mufflers Expansion Mufflers copter Ball Mufflers ialized Exhaust Systems Unsurpassad Warkmanshin & Performance ark. R/C Flight Simulator IBM PCS & ComDatibles Excellent flight equations Superb graphics Several styles aircraft Easily set up fly like bird features aid learning Skylark realistic RIO Helicopter flight simulator available today Call Now 313 662-LARK Airplane version coming soon 60-u 2-SIROKE 52-I20 4-S7ROKE WEIGHT9-10 L& mxo PIUCE$18500 ALL KITS FEATURE HAND MID FIBERGLASS FUSELAGEPANEL UNES & SCALE DETAILSFOAM CORE WINGS & MACHINE CUE FORMERS & BULKIIEADS SEE YOUR LOCAL DFALER OR CALL HOBBY HANGAR 6O6283-S 746 FOR IMMEDUTh DEU VERY DE4LER INQUIRIES WELCOME WEACCEPT W&4 M4S7ERCARD & DISCOVER C4RD& WE GLADLYSIIIP COD SHIPPING & IIANDUNG $500 PER KIT CONTINENTAL USA OThER AREAS CALL KENTUCKY RESIDENTS ADD 6% SALES TAX HOBBY HANGAR IS FULL SERVICE HOBBY SHOP WITH OVER 11000 ITEMS IN STOCI CATALOGS AVAILABLE $400 EACH WIREBATE ON FIRST ORDER SPECIFY PLANEHELICOPTER OR CAR EXCLUSIVE DISTRIBUTOR OP FIBER SCALE MODELS I153 LLOYD AVE [CE1042 606-283-5746 PHONE 606-282-4666 FAX August 1994 89 WANTED Ignition Model Engines 1930s 1950s Elf Baby Cyclone Brown Jr Ohlsson Etc -ALSO Model Race Cars & Boats Any Parts Spark Plugs Etc Woody Bartelt 1301 W Lafayette Sturgis MI 49091 800-982-5464 616-665-9693 FOCKE WULF 190 Made USA SPECIFICATIONS WING SPAN 65 ENGINE SIZE RC Flight Training Beg inner advanced tailored indMdual long-time modeler full size airplane flight instruc tor will make progress fun easy during week stay beautiful far western North Carolina Write orcall formore information RC flight Training 704 3894968 RALJAW5ALE5 eA I-nev/ewLn Hymouth MN 5b442 Phone 6 12 557-6654 Fax 612550-0454 ALSO AVAILABLE P47 Thunderbolt $17000 P-40 Warhawk $17000 Cessna 150 $17000 Giant Scale Me-lOg 37500
Edition: Model Aviation - 1994/08
Page Numbers: 85, 86, 87, 88, 89
RADIO CONTROL HELICOPTERS TSURUGI new name helicopters Hirobo has synonymous helicopters years may best associated long line successful 30-size Shuttle series helicopters distributed Altech Marketing Although Hirobo has produced larger helicopters Tsurugi ultimate RC frame vs scale helicopter culmination design development efforts first paragraph Hirobos instruction manual states Tsurugi designed anyone can operate make its performance very impressive statement because means Tsurugi designed stability ruggedness required novice flier well top-of-the-line quality flight performance FM flier believe have accomplished both objectives design Tsumgi shows Hirobo has really done its homework given us virtually features could want helicopter What makes Tsurugi design stand out critical-forcontrol cyclic collective servos push-pull collective servo moving both cyclic servos together produce smooth positive collective pitch movement cyclic servos connected movable swashplate through 900 bellcranks providing full 200 precise collective movement An antirotation pin back swashplate keeps exact swasliplate alignment pitch settings receiver on/off switch battery mounted metal tray radio equipment internal two straight metal side frames maximum protection gyro mounted almost directly below main shaft best performance large easy-to-see fuel tank mounted directly below gyro eliminate CG changes fuel used Assembly helicopter kits look great box opened because parts shiny new real problem getting box flying field designed manufacturer isnt built right wont fly rightno matter good design especially important point novice flier since may unfamiliar parts required construction techniques Tsurugi solved major problem first three pages instruction manual describing what necessary items radio engine etc included what construction tools needed pictorial various screws nuts bearings explaining read sizes may seem major point goes back ease building novice ensuring Tsurugi built designed impressed both main rotor head tail rotor gearbox already assembled Although neither particularly hard assemble contain small parts critical assembly sequence can assume Hirobo again wanted ensure chance success novice flier head combination metal center hub composite yoke blade grips dual ball-bearing supported smooth operation durability thrust bearings handle centrifugal forces flybar paddles also CG-weighted thick symmetrical airfoil fairly rounded leading edge provide smooth stable flight rest Tsurugi must assembled builder August1994 85 Marion Seidel West Germany poses Hirobo Tsurugi nice Texas afternoon Push-pull cyclic servos move unison lower collective servo Note gyro under main shaft large visible tank Prebuilt head uses axial thrust bearings CG-corrected paddles all-metal ball moving swashplate antirotation pin TIR servo upside down tailboom shorter direct linkage Top main gear has removable Deirin TIR drive gear five minutes can upgrade stan dard Futaba Airtronics servos ball bearing servos new EMS Ball Bearing Conversion Kit New case tops accurately molded super tough glass filled fuel-proof Celcon include top quality stainless steel ball bearing servo output shaft * Stops case top and/or plastic bushing wear * Prevents output gear shaft shimmy * Reduces friction improves servo centering * Enhances performance airplanes boats & cars * Mandatory helicopter servos * Free output arm provided case top * Guaranteed against breakage year * pay $3995 $2995 8BC1 Fits FUTABA S28/S128 S381S138 S48/S148 Servos set 4$2595 2 As above set I$695 L3 Fits AIRTRONICS 94102 Servos set 4$2595 C4 As above set 1$695 Ball Beating Only JR 501 507 RCD APOLLO 05 10 FOCUS HS300 HS500 ACE 330342 342HS TOWER TS-51 Servos set 4$1995 Add $300 Shipping Handling orders Info OnlycalifornIa ResIdents Add 775% Sales Tax 5Orders OnlyVISA MASTERCARD Accepted U UyLL CANO PIES EGRrx-y SERVICE C 3950-A VaUyBlvd WALNUT CA 91789 909 5941471 S T F R N ED E N G n I -4 rn CALL OR WRITE FOR FREE BROCHURE instruction manual individual parts designed make pleasant accurate possible Large exploded-view diagrams guide through step pictorial left side page shows screws nuts needed part assembly design assembly points clearly demonstrate much care thought went Tsurugi side frames flat metal maximum strength weight composite bearing holders other internal parts have recessed nuts tight strong construction straight side frames allow easy access engine permitting both side- rearexhaust versions Large 4mm bolts used mount engine metal clutch bell held place double bearing holder uses very short shaft connected one-way bearing starter coupler does away need align starter shaft greatly reduces eliminates high-frequency vibration Note long 6mm shaft needed engage oneway bearing start engine have another helicopter must ordered option main gear incorporates separately mounted bevel gear drive tail rotor normally part gear traln damaged tail rotor contacts ground Rather replacing entire gear top portion would need replaced pushrods depicted instruction manual specified lengths greatly helps both novice experienced fliers set up Tsurugi properly easily fuel tank snaps place between side frames can moved slightly right allow further clearance muffler needed composite landing gear keeps Tsurugi well away ground greatly appreciated flying unprepared fields Although billed unbreakable appears strong enough light 35 grams/l24 ouns Powerful new standard high-output 1/2A engines Versatile Two models available Cmnpetition/Sport RY0T Roll-Your-Own Timing ANNOUNCING TIlE NEW KI 049 Which model Have used Drernel tool engine own Did run ster afterwail answer Yes both questions will love VA 048 H YQT answer either question No will love VA 049 Coxnpelition/Sport Need lots power lots noise have 5-gram muffler available Available frcsn local dealer distributed SIB Mfg 515 623-5154 34 Also available frtxn Aldrich Models 2101 656-2021 l5ustom liraltsmanship 619 728-4365 Imparted ly Uaa luthederd n Nil lpsrt/Ixpart 206 4Al-766 Fax 266 4R7l73 also Importing terrific-flying JunIor 451 C02-powered AHF Free Flight model 25 wIngspan 3 ounces Easy assemble operate consider DP-03 E02 motor package conversion rubber-power models ease reliablity E02 power Both JunIor 451 DP-03 distributed SIG Mfg 86 Model Aviation 3 Mission Hil Yorba Linda CA QJMLIT/ WTEGRITY SERVICE QUALTTY ThTEGRTJV SERVICE MLITY PIrEGRTTY SERVICE C Ci w T P E R R 0 0 P take hard landings novice misjudged auto advanced flier octagonal tailboom design increases its strength allows precise alignment eliminates possibility rotation during use tail rotor wire driven has flat end allows slide easily pinion gear counter shaft makes easy remove tailboom maintenance transportation provides slip-free connection use set screws An optional carbon-fiber tube drive also available tail rotor servo mounted next tailboom aft main frame providing straight direct TIR pushrod horizontal vertical fins well flybar paddles made plastic airfoil shape maximum effectiveness have hollowed lightness Easy stickon covering provided canopy mounted using four 3mm screws great care has taken design ensure extended use does fatigue canopy rubber damper installed mounting hole canopy plastic collar fits between mounting screw damper further protection typical 45 will turn 13-6 over 10000 get 3 minutes oz & idle well below 2000 UNLEASHthePOWERfromWITHIN DIESELIZE its AWESOME Bigger Engine Wont Fit More Power Bigger Props Super Economy Less Noise No Glowplugs Low Idle Ask yaw hc isw ar call empiste cinwsg seal self -aidrssssi 1k slaupi #10 unalap 13200 criltad 1st inNer L DAVIS DIESEL DEVEINMENJ 11141 d CT 01460 U11-lSfl 4 Non-SIip Straight Edge Place Press Cut 123456789 cml234567891011121314151617181920212223 iii * Tiny stainless steel gripper feet hold Straight Edge place * you cut mark wood Ends frustration wandering cuts lines Both English Metric scales easy measurement * Useful conversion tables printed back * Comes convenient storage tube Product No FOR 149 Length 1 Meter 3936 inches FOURMOST PRODUCTS Price$1 495 Look other great products Fournost nearest hobby dealer direct orders include $350 Shipping 24th Avenue Forest Grove OR 97116 Model Airplane Design Performance Modeler must model airplane builders flyers library covers model airplane design performance ROLL modeler mind Instead complicated mathematics 288 ~ pages numerous illustrations examples used Topscs arranged sequence leads illustrated example designs o control model airplanes Early Developments Terminology Aerodynamics z Stability Control Performance DesignToll Free Orders MC VISA & AM X Author Chevalier rofessor emeritus aerospace engineering 1-800-364-BOOK 50 years model building flying AMA 7503Check M 0 Challenge Engineering Inc PO Box 67 shipping handingNew Baden TX 77870 $2495TX residents add tax -- US currency August1994 87 Prebuilt T/R has composite case uses thrust bearings Large plastic blades have symmetrical airfoil control 3IE MOI All new heavy-duty ignition system featuring Low drain high output circuit Will run 15000 rpm American-made spark coil Spark plug lead eas ily replaced Heavy-duty aluminum case shielded resistor spaili plug lead shielded cover Prices include switch harness pulse switch Available T&G Byronis A&M Biisson older CH systems accesso ries parts custom installation Send $2 price list newsletter oideflr instructions 88 Model Aviation re proper setup novice flier pitch gauge provided pages instruction manual devoted matching controls transmitter proper movements helicopter Several pitch curves also graphically displayed using computer radios As can tell long list features Im impressed thought attention detail went design Isurugi However few areas would like see changed Although ball bearings widely used throughout helicopter moving servo tray bellcranks supported plastic bearings imagine attempt keep price down ball bearings available option 4mm main blade bolts completely threaded would stronger last portion threaded Other Equipment Tsurugi powered Enya 60X using optional Hirobo muffler have using engine several years continues start easily provide plenty power very reliableall qualities needed helicopter flying previous columns featured Airtronics Infinity 660 radio well Hitecs line radio control equipment decided use combination Tsurugi Airtronics 660 computerized transmitter makes initial setup easy provides computerized mixing heli features could want airborne electronics powered 1000 mAh SR battery pack have always pleased SR packs capacity-to-weight ratio well reliability aircraft-quality construction rest flight pack includes Hitec s new Supreme Series receiveran improvement over already bullet-proof Platinum receiver smaller has better technical specs immune vibration Servos Hitecs HS-425s high-speed dual ball-bearing torque 43 ounce-inches Servos quality power must movable servo tray take advantage push-pull flight controls V 8- BALL SPECIAL Giant Sport its Best premium quality wood & foam kit containing hand cut balsa ply parts f cowl aluminum landing gear canopy foam wing cores rolled plans Extremely aerobatic yet capable slow solid flight Span ht 175 lbs Area 1360 Length 63 Intro Prje 19995Power &42 similar List 9 510 S&H NYS add 7X tax Reids Quality Model Products 16 Main Street Phelps New York 14532 Catalog Sl0O 3155483779 American Made QUICK-BUILT SUPER TOUGH * Quick-Built Super Tough AirCore 40 family Trainer NEW VHS VIDEO CATALOG $695 &h Texas esiden s please add sales tas US Air Core 4576 Claire Chennault Hangar 7 Dallas TX 75248 1-800-336-0602 orders 214 250-1914 info Final setup checked using ElectroDynamics EDR-201 Eye Test current probe measure individual servo current drain can used identify servo gyro charger problems before cause crashes setup check high current readings servos moved throughout full travel limits would indicate control binding Flight Tests Initial test hovering backyard showed Tsurugi smooth stable helicopter variables designing rotor head Hirobo has managed keep same feel well-known Shuttle has good friend new fliers calm days precise hovering soft-feeling controls can achieved rotor speeds 1300 rpm range higher rotor speeds needed windy conditions general flying Taking Tsurugi upstairs head speed 1700 rpm range made come alive both performance capability General flying enjoyable windy Texas day plenty power Enya enabling perform maneuver desired large pitch window allows full freedom aerobatic freestyle flying still allowing sufficient positive pitch easy autos Tsurugis large 60inch rotor diameter Except relatively minor points noted would hard-pressed find fault Tsurugi either novice expert flier Hirobo has come up design parameters make Tsurugi extremely stable hover novice pilot yet maneuverable enough advanced hot-dog fliers well hope like much Tsurugi Specifications Main rotor 60 inches tail rotor 11 inches body length 52 inches weight 10 pounds engine 60 radio required five-channel heli Altech Marketing PO Box 391 Edison NJ 08818 Airtronics Inc 11 Autry Irvine CA 92718 Hitec RCD Inc 10729 Wheatlands Aye Suite C Santee CA 92071 SR Batteries Box 287 BellportNY 11713 ElectroDynamics Inc 9557 Crosley Redford MI 48239 UCTS Complete Line Exhaust Systems * Tuned Pipes led Tuned Piaes Headers Venturi Mufflers Expansion Mufflers copter Ball Mufflers ialized Exhaust Systems Unsurpassad Warkmanshin & Performance ark. R/C Flight Simulator IBM PCS & ComDatibles Excellent flight equations Superb graphics Several styles aircraft Easily set up fly like bird features aid learning Skylark realistic RIO Helicopter flight simulator available today Call Now 313 662-LARK Airplane version coming soon 60-u 2-SIROKE 52-I20 4-S7ROKE WEIGHT9-10 L& mxo PIUCE$18500 ALL KITS FEATURE HAND MID FIBERGLASS FUSELAGEPANEL UNES & SCALE DETAILSFOAM CORE WINGS & MACHINE CUE FORMERS & BULKIIEADS SEE YOUR LOCAL DFALER OR CALL HOBBY HANGAR 6O6283-S 746 FOR IMMEDUTh DEU VERY DE4LER INQUIRIES WELCOME WEACCEPT W&4 M4S7ERCARD & DISCOVER C4RD& WE GLADLYSIIIP COD SHIPPING & IIANDUNG $500 PER KIT CONTINENTAL USA OThER AREAS CALL KENTUCKY RESIDENTS ADD 6% SALES TAX HOBBY HANGAR IS FULL SERVICE HOBBY SHOP WITH OVER 11000 ITEMS IN STOCI CATALOGS AVAILABLE $400 EACH WIREBATE ON FIRST ORDER SPECIFY PLANEHELICOPTER OR CAR EXCLUSIVE DISTRIBUTOR OP FIBER SCALE MODELS I153 LLOYD AVE [CE1042 606-283-5746 PHONE 606-282-4666 FAX August 1994 89 WANTED Ignition Model Engines 1930s 1950s Elf Baby Cyclone Brown Jr Ohlsson Etc -ALSO Model Race Cars & Boats Any Parts Spark Plugs Etc Woody Bartelt 1301 W Lafayette Sturgis MI 49091 800-982-5464 616-665-9693 FOCKE WULF 190 Made USA SPECIFICATIONS WING SPAN 65 ENGINE SIZE RC Flight Training Beg inner advanced tailored indMdual long-time modeler full size airplane flight instruc tor will make progress fun easy during week stay beautiful far western North Carolina Write orcall formore information RC flight Training 704 3894968 RALJAW5ALE5 eA I-nev/ewLn Hymouth MN 5b442 Phone 6 12 557-6654 Fax 612550-0454 ALSO AVAILABLE P47 Thunderbolt $17000 P-40 Warhawk $17000 Cessna 150 $17000 Giant Scale Me-lOg 37500
Edition: Model Aviation - 1994/08
Page Numbers: 85, 86, 87, 88, 89
RADIO CONTROL HELICOPTERS TSURUGI new name helicopters Hirobo has synonymous helicopters years may best associated long line successful 30-size Shuttle series helicopters distributed Altech Marketing Although Hirobo has produced larger helicopters Tsurugi ultimate RC frame vs scale helicopter culmination design development efforts first paragraph Hirobos instruction manual states Tsurugi designed anyone can operate make its performance very impressive statement because means Tsurugi designed stability ruggedness required novice flier well top-of-the-line quality flight performance FM flier believe have accomplished both objectives design Tsumgi shows Hirobo has really done its homework given us virtually features could want helicopter What makes Tsurugi design stand out critical-forcontrol cyclic collective servos push-pull collective servo moving both cyclic servos together produce smooth positive collective pitch movement cyclic servos connected movable swashplate through 900 bellcranks providing full 200 precise collective movement An antirotation pin back swashplate keeps exact swasliplate alignment pitch settings receiver on/off switch battery mounted metal tray radio equipment internal two straight metal side frames maximum protection gyro mounted almost directly below main shaft best performance large easy-to-see fuel tank mounted directly below gyro eliminate CG changes fuel used Assembly helicopter kits look great box opened because parts shiny new real problem getting box flying field designed manufacturer isnt built right wont fly rightno matter good design especially important point novice flier since may unfamiliar parts required construction techniques Tsurugi solved major problem first three pages instruction manual describing what necessary items radio engine etc included what construction tools needed pictorial various screws nuts bearings explaining read sizes may seem major point goes back ease building novice ensuring Tsurugi built designed impressed both main rotor head tail rotor gearbox already assembled Although neither particularly hard assemble contain small parts critical assembly sequence can assume Hirobo again wanted ensure chance success novice flier head combination metal center hub composite yoke blade grips dual ball-bearing supported smooth operation durability thrust bearings handle centrifugal forces flybar paddles also CG-weighted thick symmetrical airfoil fairly rounded leading edge provide smooth stable flight rest Tsurugi must assembled builder August1994 85 Marion Seidel West Germany poses Hirobo Tsurugi nice Texas afternoon Push-pull cyclic servos move unison lower collective servo Note gyro under main shaft large visible tank Prebuilt head uses axial thrust bearings CG-corrected paddles all-metal ball moving swashplate antirotation pin TIR servo upside down tailboom shorter direct linkage Top main gear has removable Deirin TIR drive gear five minutes can upgrade stan dard Futaba Airtronics servos ball bearing servos new EMS Ball Bearing Conversion Kit New case tops accurately molded super tough glass filled fuel-proof Celcon include top quality stainless steel ball bearing servo output shaft * Stops case top and/or plastic bushing wear * Prevents output gear shaft shimmy * Reduces friction improves servo centering * Enhances performance airplanes boats & cars * Mandatory helicopter servos * Free output arm provided case top * Guaranteed against breakage year * pay $3995 $2995 8BC1 Fits FUTABA S28/S128 S381S138 S48/S148 Servos set 4$2595 2 As above set I$695 L3 Fits AIRTRONICS 94102 Servos set 4$2595 C4 As above set 1$695 Ball Beating Only JR 501 507 RCD APOLLO 05 10 FOCUS HS300 HS500 ACE 330342 342HS TOWER TS-51 Servos set 4$1995 Add $300 Shipping Handling orders Info OnlycalifornIa ResIdents Add 775% Sales Tax 5Orders OnlyVISA MASTERCARD Accepted U UyLL CANO PIES EGRrx-y SERVICE C 3950-A VaUyBlvd WALNUT CA 91789 909 5941471 S T F R N ED E N G n I -4 rn CALL OR WRITE FOR FREE BROCHURE instruction manual individual parts designed make pleasant accurate possible Large exploded-view diagrams guide through step pictorial left side page shows screws nuts needed part assembly design assembly points clearly demonstrate much care thought went Tsurugi side frames flat metal maximum strength weight composite bearing holders other internal parts have recessed nuts tight strong construction straight side frames allow easy access engine permitting both side- rearexhaust versions Large 4mm bolts used mount engine metal clutch bell held place double bearing holder uses very short shaft connected one-way bearing starter coupler does away need align starter shaft greatly reduces eliminates high-frequency vibration Note long 6mm shaft needed engage oneway bearing start engine have another helicopter must ordered option main gear incorporates separately mounted bevel gear drive tail rotor normally part gear traln damaged tail rotor contacts ground Rather replacing entire gear top portion would need replaced pushrods depicted instruction manual specified lengths greatly helps both novice experienced fliers set up Tsurugi properly easily fuel tank snaps place between side frames can moved slightly right allow further clearance muffler needed composite landing gear keeps Tsurugi well away ground greatly appreciated flying unprepared fields Although billed unbreakable appears strong enough light 35 grams/l24 ouns Powerful new standard high-output 1/2A engines Versatile Two models available Cmnpetition/Sport RY0T Roll-Your-Own Timing ANNOUNCING TIlE NEW KI 049 Which model Have used Drernel tool engine own Did run ster afterwail answer Yes both questions will love VA 048 H YQT answer either question No will love VA 049 Coxnpelition/Sport Need lots power lots noise have 5-gram muffler available Available frcsn local dealer distributed SIB Mfg 515 623-5154 34 Also available frtxn Aldrich Models 2101 656-2021 l5ustom liraltsmanship 619 728-4365 Imparted ly Uaa luthederd n Nil lpsrt/Ixpart 206 4Al-766 Fax 266 4R7l73 also Importing terrific-flying JunIor 451 C02-powered AHF Free Flight model 25 wIngspan 3 ounces Easy assemble operate consider DP-03 E02 motor package conversion rubber-power models ease reliablity E02 power Both JunIor 451 DP-03 distributed SIG Mfg 86 Model Aviation 3 Mission Hil Yorba Linda CA QJMLIT/ WTEGRITY SERVICE QUALTTY ThTEGRTJV SERVICE MLITY PIrEGRTTY SERVICE C Ci w T P E R R 0 0 P take hard landings novice misjudged auto advanced flier octagonal tailboom design increases its strength allows precise alignment eliminates possibility rotation during use tail rotor wire driven has flat end allows slide easily pinion gear counter shaft makes easy remove tailboom maintenance transportation provides slip-free connection use set screws An optional carbon-fiber tube drive also available tail rotor servo mounted next tailboom aft main frame providing straight direct TIR pushrod horizontal vertical fins well flybar paddles made plastic airfoil shape maximum effectiveness have hollowed lightness Easy stickon covering provided canopy mounted using four 3mm screws great care has taken design ensure extended use does fatigue canopy rubber damper installed mounting hole canopy plastic collar fits between mounting screw damper further protection typical 45 will turn 13-6 over 10000 get 3 minutes oz & idle well below 2000 UNLEASHthePOWERfromWITHIN DIESELIZE its AWESOME Bigger Engine Wont Fit More Power Bigger Props Super Economy Less Noise No Glowplugs Low Idle Ask yaw hc isw ar call empiste cinwsg seal self -aidrssssi 1k slaupi #10 unalap 13200 criltad 1st inNer L DAVIS DIESEL DEVEINMENJ 11141 d CT 01460 U11-lSfl 4 Non-SIip Straight Edge Place Press Cut 123456789 cml234567891011121314151617181920212223 iii * Tiny stainless steel gripper feet hold Straight Edge place * you cut mark wood Ends frustration wandering cuts lines Both English Metric scales easy measurement * Useful conversion tables printed back * Comes convenient storage tube Product No FOR 149 Length 1 Meter 3936 inches FOURMOST PRODUCTS Price$1 495 Look other great products Fournost nearest hobby dealer direct orders include $350 Shipping 24th Avenue Forest Grove OR 97116 Model Airplane Design Performance Modeler must model airplane builders flyers library covers model airplane design performance ROLL modeler mind Instead complicated mathematics 288 ~ pages numerous illustrations examples used Topscs arranged sequence leads illustrated example designs o control model airplanes Early Developments Terminology Aerodynamics z Stability Control Performance DesignToll Free Orders MC VISA & AM X Author Chevalier rofessor emeritus aerospace engineering 1-800-364-BOOK 50 years model building flying AMA 7503Check M 0 Challenge Engineering Inc PO Box 67 shipping handingNew Baden TX 77870 $2495TX residents add tax -- US currency August1994 87 Prebuilt T/R has composite case uses thrust bearings Large plastic blades have symmetrical airfoil control 3IE MOI All new heavy-duty ignition system featuring Low drain high output circuit Will run 15000 rpm American-made spark coil Spark plug lead eas ily replaced Heavy-duty aluminum case shielded resistor spaili plug lead shielded cover Prices include switch harness pulse switch Available T&G Byronis A&M Biisson older CH systems accesso ries parts custom installation Send $2 price list newsletter oideflr instructions 88 Model Aviation re proper setup novice flier pitch gauge provided pages instruction manual devoted matching controls transmitter proper movements helicopter Several pitch curves also graphically displayed using computer radios As can tell long list features Im impressed thought attention detail went design Isurugi However few areas would like see changed Although ball bearings widely used throughout helicopter moving servo tray bellcranks supported plastic bearings imagine attempt keep price down ball bearings available option 4mm main blade bolts completely threaded would stronger last portion threaded Other Equipment Tsurugi powered Enya 60X using optional Hirobo muffler have using engine several years continues start easily provide plenty power very reliableall qualities needed helicopter flying previous columns featured Airtronics Infinity 660 radio well Hitecs line radio control equipment decided use combination Tsurugi Airtronics 660 computerized transmitter makes initial setup easy provides computerized mixing heli features could want airborne electronics powered 1000 mAh SR battery pack have always pleased SR packs capacity-to-weight ratio well reliability aircraft-quality construction rest flight pack includes Hitec s new Supreme Series receiveran improvement over already bullet-proof Platinum receiver smaller has better technical specs immune vibration Servos Hitecs HS-425s high-speed dual ball-bearing torque 43 ounce-inches Servos quality power must movable servo tray take advantage push-pull flight controls V 8- BALL SPECIAL Giant Sport its Best premium quality wood & foam kit containing hand cut balsa ply parts f cowl aluminum landing gear canopy foam wing cores rolled plans Extremely aerobatic yet capable slow solid flight Span ht 175 lbs Area 1360 Length 63 Intro Prje 19995Power &42 similar List 9 510 S&H NYS add 7X tax Reids Quality Model Products 16 Main Street Phelps New York 14532 Catalog Sl0O 3155483779 American Made QUICK-BUILT SUPER TOUGH * Quick-Built Super Tough AirCore 40 family Trainer NEW VHS VIDEO CATALOG $695 &h Texas esiden s please add sales tas US Air Core 4576 Claire Chennault Hangar 7 Dallas TX 75248 1-800-336-0602 orders 214 250-1914 info Final setup checked using ElectroDynamics EDR-201 Eye Test current probe measure individual servo current drain can used identify servo gyro charger problems before cause crashes setup check high current readings servos moved throughout full travel limits would indicate control binding Flight Tests Initial test hovering backyard showed Tsurugi smooth stable helicopter variables designing rotor head Hirobo has managed keep same feel well-known Shuttle has good friend new fliers calm days precise hovering soft-feeling controls can achieved rotor speeds 1300 rpm range higher rotor speeds needed windy conditions general flying Taking Tsurugi upstairs head speed 1700 rpm range made come alive both performance capability General flying enjoyable windy Texas day plenty power Enya enabling perform maneuver desired large pitch window allows full freedom aerobatic freestyle flying still allowing sufficient positive pitch easy autos Tsurugis large 60inch rotor diameter Except relatively minor points noted would hard-pressed find fault Tsurugi either novice expert flier Hirobo has come up design parameters make Tsurugi extremely stable hover novice pilot yet maneuverable enough advanced hot-dog fliers well hope like much Tsurugi Specifications Main rotor 60 inches tail rotor 11 inches body length 52 inches weight 10 pounds engine 60 radio required five-channel heli Altech Marketing PO Box 391 Edison NJ 08818 Airtronics Inc 11 Autry Irvine CA 92718 Hitec RCD Inc 10729 Wheatlands Aye Suite C Santee CA 92071 SR Batteries Box 287 BellportNY 11713 ElectroDynamics Inc 9557 Crosley Redford MI 48239 UCTS Complete Line Exhaust Systems * Tuned Pipes led Tuned Piaes Headers Venturi Mufflers Expansion Mufflers copter Ball Mufflers ialized Exhaust Systems Unsurpassad Warkmanshin & Performance ark. 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