Radio Control HELICOPTERS Dave Chesney VIBRATION CAN really shake up beginning RC Helicopter flier Unfortunately its much Helicopter will vibrate Evi dently beginners expect see new machines shake rule can see vibration something system needs attention least decision needs made whether vibration level acceptable equipment pilot Pilots will have differences opinion opinion recently given good friend finally coming back RC Helicopters goes something like Helicopters vibrate dont fly Take guy perhaps meticulous should Helicopters vibrate will fly will eventually fly apart time experience vibration can inhibit flight machine can eliminated Ever see Hubert Bitners Mike Mas machines case shakes would say difference between vibra tion levels some beginners machines vibration levels experts Helicopters measured care assembly experience Obviously beginner will have experience finding remedies unacceptable vibration Perhaps prepared take care necessary reduce vibration levels first machine Believe though chances successful first flights continued success ful flying much greater vibration can minimized RC Helicopters can tolerate vibration assembled properly use Blue Loctite perfection absolutely requiredjust reasonable attention details attention particularly important building sub systems go round round engine cooling fan transmission main rotor system tail rotor system prime candi dates creating excessive vibration care taken properly balance align components engine fan transmission usually assembled very early building stages Helicopter kit lack attention care stage can result severe high-frequency vibra tion often shows up radio system form glitches caused danc ing servo potentiometer wipers say highfrequency vibraton since vibration set up engine/transmission system related speed engine always greater speed rotor system Usually few problems will encountered unless some modification required such drilling Out cooling fan gear accept largeshaft engine Drilling must done using hand drill drill press available take time run down machine shop job Yep hole has right smack middle minimum clearance between engine shafts outside diameter cooling fan gear inside diameter Naturally engine shaft should true extended shaft used such starting shaft Heliboy too must have minimum runout shouldnt wobble end engine shaft turned Bent broken fan blades will cause problems dont clamp shiny new fan vise tighten engine prop nut Rather clamping use heavy towel wrapped around fan leverage required youre building Schluter machine use special tool available Miniature Aircraft Supply Since talking new Helicopter kits engines bearings should OK keep mind worn bearing can cause vibration later tail rotor system will also suspect vibration problems exist During assembly kit attention balance tail rotor blades will usually result acceptable vibra tion level Most instructions will detail balance T/R blades After few flights increased vibration level occurs check T/R blades nicks check bent T/R shafts possible cause T/R bearings also suspect check machine has lot running time particularly machines using belt drive would say reservation main rotor system cause RC Helicopter vibrations can seen old tail boom shake landing skid shimmy can probably traced balance problem bent main rotor shaft Vibration due rotor system will course follow speed rotor system bent main shaft bent blade pitch axles may problem usually true new undamaged Helicopter back building sequences flybar servo rotor used must installed carefully assure proper balance paddles should equal weight area airfoil section both statically dynamically balanced flybar stalled paddles added instructed flybar should adjusted distances tips paddle center head equal tip may helpful slide wheel collar onto side flybar before installing paddles centering flybar head once centered balance can adjusted using wheel collars Other wise MonoKote may added light paddle similar fashion described Continued page 113 50 Model Aviation Mini Boy availablewith collective pitch head allowing beginnerto upgrade machine skill increases appeared last years Statesville NC meet Mini Boy Schluter has reputation excellent beginners model mechanics straightforward everything out can work CA 95603 16-oz tank US Quadra 1032 E Manitowoc Ave Oak Creek WI 53154 fuel line hook together Aqua Blue gasoline diesel fuel line AeroTrend Products 44 West Prospect St New Haven CT 06515 B-I-I-G B-29 Last year Bob Campbell RC Kits showed up Toledo twin-Quadrapowered Grumman Tigercat Later year demonstrated just show several events including IMAA Fun Fly Festival Louisville proved everyone flew flew very very well year Toledo plans have display 165-ft span B-29 getting too much contemplate admire Bobs imagination perseverance Powered four 24 Kioritz engines projected weight 125-150 lb Retracts custom made Aeromarine wings stab foam fuselage built-up entire aircraft sheeted 3/32 balsa 1/64 ply dont know plans transport wings break down fuselage 11 ft long Fly-ins scheduled Radio Control Club Connecticut hosting Giant Scale Fly-in Sunday June 6 site Sikorsky Memorial Airport Stratford CT info available Ray Hinds 140 Edna Ave Bridgeport CT 06610 phone 203 334-7207 Second Annual -Scale/Giant Size Flyin sponsored Winnebago RC Fliers scheduled August 29th informa tion write Hugh Ziebell 338 West 20th Ave Oshkosh WI 54901 orphone414 235-2316 following list IMAA-sanctioned Fly-ins scheduled throughout year Its bare-bones list just quick reference details check Spring 82 issue IMAA High Flight write Don Godfrey 254 Washington St Binghamton NY 13901 May 12 16 22 23 29 30 29-31 June 5 6 6 12 13 12 13 26 27 27 Wichita KS Sterling Hgts. MI Milan Ml Soath Bead IN Louisville KY Rochester NY Bridgeport CT Qankertosen PA Gaston IN Alliance OH Hamburg PA July 10 II 17 18 24 3 I-Aug August 7 5 Somers NY 7 5 Napoleon OH 22 Oak Forest IL 22 Arlington Hgts. IL 27-29Ida Grove IA IMAA 2nd Annual Fan Fly September 4 5 Harrisburg PA 4-6 Geneva OH 1519Napoleon OH 1519 Crofton MD Bob Beckman 8248 Holly Grove Ct Manas sos VA 22110 RC Helicopters/Chesney Continued page 50 main rotor blades youre very careful heavy paddle may drilled end bring weight lighter paddle main rotor blades must equal weight area airfoil may corrected have equal centers gravity say may because Helicopters will tolerate blades equal CGs least within reason major Oleun NY Ft Worth TX Muskegon MI Phelps NY Buy DIRECT SAVE OVER 50% COMPLETE MODELERS ASSORTMENT OF FASTENERS MAY* NEW*AT YOUR FINGER TUPS*~* **5g * * R OFFERED BEFORE**NO ORGANIZER AT OVER FIFTY* *NO MORE SPECIAL TRIPS TO THE**DOLLARS THAN TWICEOUR* *HOBBY STORE IF IT IS OPEN** 495* HSA-735 ALLOY STEEl SOCKET HEAD CAP SCREWS CONTENTS LISTPCS 256 n 316 SOCKET HEAD CAP SCREW25 256 n 1 4 SOCKET HEAD CAP SCREW25 2-56 n 2 SOCKET HEAD CAP SCREW25 440 n 1 6 SOCKET HEAD CAP SCREW20 440 n 1 2 SOCKET HEAD CAP SCREW20 66t 3 6 SOCKET HEAD CAP SCREW20 660 n 1 SOCKET HEAD CAP SCREW20 S32n 1 SOCKET HEAD CAP SCREW15 632 n 1 2 SOCKET HEAD CAP SCREW15 632 n 36 SOCKET HEAD CAP SCREW15 6-32 n 1 SOCKET HEAD CAP SCREWIS632 n 1 SOCKET HEAD CAP SCREW15 532 n 2 SOCKET HEAD CAP SCREW15 N N * Please Include $250 postage handling * Add $150 COD * Minn residents add 5% sales tan * Orders will Shipped within 48 hours FLAT WASHERS SAE ZINC PLATED 4 6 NYLON INSERT LOCK NUTS ZINC PLATED 256 460 632 KITS COME COMPLETE WITH SR COMPARTMENT HEAVY DUTY INDUSTRIAL ORGANIZER ONLY $2495 BIG BEAUTIFUL AIRPLANES $9950 STINSON VOYAGER OnnOua e Scan Wing Span 0 75 2 CS Mammoth Kiln designud Guadra other 2 CyCIU engineS Plywood & SofIwood COOSIrUClIOn j $9950 Th BONZO Almost 1/3 Scale Sport Pylon Pattern Flying 60 Quadra Power Wing Span 54 1 Pc Shipping Charges Included US & Canada Capable carrying 10 lbs cargo Wing Span 931/4 2 pcs GIANTooSCALE PLANS Including Assembly Instructions Available J5 Airplanes Boats $1 795 SET J -5 ENTURPRU Box 82 Belmont OntarIo NOI leO PO Bolt 8 North Street Michigan 48049 Ptlone 15194440375 June 1982 113 1/20 TH SCALE XC&MENTATA9N DWGS OF NOTABLE FAIRCHILDS FAIRCIIIL FC-1 GEORGE H CLAPP -CENTRAL SOLI4RE NY /3036 INFO $100 -REFUNDED WITH ORDER Mail Order HARDWARE SYSTEMS 7428 WashIngton Ave. So Eden Prairie Minn 55344 Phone 81294185 PS Au 90 75 90 TOTAL PCS 735 Fits Mont Engines 40 & Up Made USA Announcing * *THE ALL NEW* * BEST AIR CLEANER Cat No 102 Marine Coarse $225 Cat No 104 Replacement Filters Coarse Pk 2 / $195 Cat No 202 Aircraft Fine $225 Cat Na 204 Replacement Filters Fine Pk 2 / $195 See Local Hobby Dealer unavailable locally send Add 75C Iv svppvq Mc5 ecdnts add dl sares Best Models Inc PO Box 3786 Center Line Ml 48015 LOADMASTER 0 distinctive sound air. Technopowers 7 cylinder 4 cycle Radial Engine Send $200 catalog products TECH NOPOWER H INC 16650 South 104th AVENUE ORLAND PARK ILLINOIS 60462 mdI matter TM mODEL IPORT TOTE ONLY 17995 44 * New Model CI-adles holds models field repdll-s wipIng Fuselage cradles adiosl up 10 Swidelill dodlnlescnpe exception would few flybarless Helicopters available blade CGs become very impor tant super-smooth system flybarless correcting CGs rotor blades way go its complicated task beginners starting flybarless Helicopter easiest method simply use MonoKote similar material wrapped around light blade balance rotor system Balancing manner fundamental always shown building instructions Take time get right Another area will cause vibration lead/lag adjustment blades certain ly true blades fixed head such manner free lead/lag will blade holders whether single-bolt type rigidly fixed head should attached holders parallel leading edge blade Most manufacturers now supply pre drilled rotor blades slight alignment required Again instructions will give lead/ lag info required Another area watch setting coning angle coning angle may compared dihedral angle airplane wing set reduce bending effect blades created lift blades unlike airplane wing should viewed means ofincreas ing stability Helicopter Dont set coning angle specified thought stability will improved coning angle function centrifugal force trying straighten blades out flat aerodynamic force tries bend blades up ward tips Helicopter lifted angle may calculated set final weight Helicopter centrifugal force rotor blade known designer does know things chooses average coning angle represents calculations nominal Helicopter built kit Increasing coning angle will improve stability fact can lead apparent vibration problems due increased tendency blades twist apparent vibration particularly notice able variable-collective-pitch Helicopters since blade independent other little cancelling effect fixedcollective head bottom line set coning angle recommended coning angle has set teeter spring used rotor head teeter spring bracket should adjusted rotor head level teeter spring bent instead might work loose rotate causing head off-level twice original error building Helicopter careful atten tion instructions regard static balancing rotating components will usually result acceptable dynamic balance everything starts turning round round before significant aerodynamic forces come play Helicopter should pretty smooth remains aerodynamically balance Helicopter means getting blades track have set up pitch angles recommended will usually mean slight touch-up incidence setting rotor blade Usually high running blade brought down low blade reducing its pitch angle Whichoneishigh Thatshardtotellifoneblade isnt marked high-visibility color tip usually use dayglow MonoKote statically balancing rotor head have no trouble seeing blade versus other youre dayglow nut like use contrasting colors tipslike black blade yellow other Stay away color choices such light blue gold Youll need 114 Model Aviation 4et4u G64 / EPOXY RESIN CONTINUOUS FILAMENT 0 STRONGER0 7X55$549es o QUIETER0 8X89X69X7$ 795 #8 o MORE SPEED0 1OX61112X6 $ 995 o MORE POWER0 10X6 3/BLADE $1495a o FASTER ACCEL0 PITCH GUAGES2Z95a o HEAT STABLE0 10% OFF SIX/PAJ O STRAIGHT VORTEX o RIGHT LEFT HAND DeIrs inyite AAI 1-303-469-3928 MC/VISA GaO PROP cash Check MO SHOP 109 Emerald St Broomflelcf Co 60020 DoCo * Model ape t Tote Teelpact lightuseight 21c tO e 93t * Special coated surface feel water resistast Carries starter t2n battery power panel transmitter & has hooks coiling glow plog & starter cords l5ll~ 12 bllrn nn loin Alowinow folding1oth lid sides op en legsaccess oobrea kable tray organizer iooide See Dealer firstiDC Producti Inc 14572 Grover Jireot omeho flebronho 68144 catalog 8150 Fine Quality Flying Models 98 RUBBER POWER KITS plus Gliders C/L RIC Accessories Books 44 4 4 4 4 4 4 4 MAJESTIC MODELS 3273 West 129th Street Cleveland Ohio 44111 PA TCHES BADUES Engraved Embossed Embroidererd High Quality Low Price information prices list products send sase Generation Products Co Inc 5l2 Southwood Little Rock AR 72205 Watch Before go back work bench think lot will interested seeing video tape Gorham Model Products VHS tape about 20 minutes long course largely promo tape GMP has some excellent flying sequences available GMP $30 refundable upon its return think makes great club program Stir up some interest area Smooth flying See next month Dave Chesney Rt 9 Box 621A Greensboro NC 27409 CL Aerobatics/Paul Continued page 57 317 546-1648 muffler specifically designed CL Stunt now being offered Genesis Muffler designed World Champion Bob Hunt manufactured father Jim Hunt Weight muffler its 05 40 45 FSR HP 40 Cost $1500 plus postage packing Order Jim Hunt J H Hunt Design Sales Co PO Box 599 Saddle Brook NJ 07662-0599 Jim Hunt also manufacturing Genesis control horn has bushings already soldered also has brass bearings attaching wing Sizes 3 4 5 6 Prices $225 $255 plus Sog postage Order Jim address above NylonDelrin bellcranks -to-hole very strong triangular construction super Delrin NEW FUEL fuel tBlue Flame gives youedge performance BLUE FLAME fuels made highest quality ingredients give engine Best Performance Longest Life Made blend synthetic castor beet possible lubrication Detergent action cut varnish muffler 4 Gallon Case MIX OR MATCH PER GALLON Drum Write call latest Arm mm nriPnQ No COD FOB Englowood Check Chargocard Money Order Only Send FREE Catalog Shipping Cost Per Case UPS Call UPS 7nnA AF bushing weight 118 grams including bushing available $400 writer DeLano custom-made flap elevator horns drilled undrilled stainless steel horn steel shank no bearings needs pieces brass tubing bearing large size flaps smaller size elevators $200 plus 25g postage Order Wynn PauL One-piece aluminum adjustable leadout fix tures spacing 9/16 1-1/16 set ply wood two-piece aluminum individuallyadjustable leadout guides set plywood Price $300 plus 25c postage Order Wynn Paul Engine venturi sets Aluminum color coded blueis295 greenis288 goldis281 red 275 Made ST 46 OS Max 40 45 FSR Set four comes 0 rings Sold insets four Set $1600 Order Wynn Paul Metal bellcranks available Steel bellcranks brass bushings 6-32 bolt included C-25 size measures 35 C-26 size measures 25 hole hole Cost $200 plus $100 postage handling No personal checks Order Leon R Ryktarsyk 7787 Archdale Avenue Detroit MI 48228 Reference manual available Bibliography Index Information Publications about Control Line Precision Aerobatics worlds longest title 35-page reference manual articles published major model magazines 1946 1981 pertain Precision Aerobatics Articles crossreferenced information arranged chronological order 1946 1981 over 50 topics including aerodynamics air plane plan views balsa wood canopy controls Continued page 124 OHIO 43545 4AE*SE5a KITS 1/4 SCALE SEMI KIT13900 1/4 SCALE COMPLETE KIT .199O0 1/3 SCALE SEMI KIT16900 1/3 SCALE COMPLETE KIT.22900 PLEASE ADD $750 FOR SHIPPING 1/4 ICALE SPAS 80 WEIGHT 20ff ENGINE QUADRA 1/3 SCALE SPAN 106 WEIGHT 28ff ENGINE QUADRA SEMI KiTS CONTAIN SAWED AND SANDED FORRERS WALL WING RIDS TIDS RUDDER MID STAB OUTLINDS SIZE PLAWI COMPLETE KITS CONTAIN THE ABOVE PARIS ALL PINE AND BAlSA STRIP WOOD WARE SEND *1 00 FOR OUR COMPLETE CAYALOG PHONE 419 599-2121 116 Model Aviation US Scale IWasteis East Coast Scale Masters Qualifier OGES RADIO CQN1 nowle Maryland June 12-13 1982 Stand-Off Scale Giant Scale Registration 830 1000 Superb Paved FlyingSlte Camping Field Excellent PrIzes Tom nayne CD 301 627-5118 17102 Earlham Ct Upper Marlboro MD 20772 good contrast see blade needs adjustment Hope smooths things out 5O/ $535 10% $605 15% $670 0. 4fl 2-426 3-513 4-630 5-759 6-946 7-1140 8- 1376
Edition: Model Aviation - 1982/06
Page Numbers: 50, 113, 114, 116
Edition: Model Aviation - 1982/06
Page Numbers: 50, 113, 114, 116
Radio Control HELICOPTERS Dave Chesney VIBRATION CAN really shake up beginning RC Helicopter flier Unfortunately its much Helicopter will vibrate Evi dently beginners expect see new machines shake rule can see vibration something system needs attention least decision needs made whether vibration level acceptable equipment pilot Pilots will have differences opinion opinion recently given good friend finally coming back RC Helicopters goes something like Helicopters vibrate dont fly Take guy perhaps meticulous should Helicopters vibrate will fly will eventually fly apart time experience vibration can inhibit flight machine can eliminated Ever see Hubert Bitners Mike Mas machines case shakes would say difference between vibra tion levels some beginners machines vibration levels experts Helicopters measured care assembly experience Obviously beginner will have experience finding remedies unacceptable vibration Perhaps prepared take care necessary reduce vibration levels first machine Believe though chances successful first flights continued success ful flying much greater vibration can minimized RC Helicopters can tolerate vibration assembled properly use Blue Loctite perfection absolutely requiredjust reasonable attention details attention particularly important building sub systems go round round engine cooling fan transmission main rotor system tail rotor system prime candi dates creating excessive vibration care taken properly balance align components engine fan transmission usually assembled very early building stages Helicopter kit lack attention care stage can result severe high-frequency vibra tion often shows up radio system form glitches caused danc ing servo potentiometer wipers say highfrequency vibraton since vibration set up engine/transmission system related speed engine always greater speed rotor system Usually few problems will encountered unless some modification required such drilling Out cooling fan gear accept largeshaft engine Drilling must done using hand drill drill press available take time run down machine shop job Yep hole has right smack middle minimum clearance between engine shafts outside diameter cooling fan gear inside diameter Naturally engine shaft should true extended shaft used such starting shaft Heliboy too must have minimum runout shouldnt wobble end engine shaft turned Bent broken fan blades will cause problems dont clamp shiny new fan vise tighten engine prop nut Rather clamping use heavy towel wrapped around fan leverage required youre building Schluter machine use special tool available Miniature Aircraft Supply Since talking new Helicopter kits engines bearings should OK keep mind worn bearing can cause vibration later tail rotor system will also suspect vibration problems exist During assembly kit attention balance tail rotor blades will usually result acceptable vibra tion level Most instructions will detail balance T/R blades After few flights increased vibration level occurs check T/R blades nicks check bent T/R shafts possible cause T/R bearings also suspect check machine has lot running time particularly machines using belt drive would say reservation main rotor system cause RC Helicopter vibrations can seen old tail boom shake landing skid shimmy can probably traced balance problem bent main rotor shaft Vibration due rotor system will course follow speed rotor system bent main shaft bent blade pitch axles may problem usually true new undamaged Helicopter back building sequences flybar servo rotor used must installed carefully assure proper balance paddles should equal weight area airfoil section both statically dynamically balanced flybar stalled paddles added instructed flybar should adjusted distances tips paddle center head equal tip may helpful slide wheel collar onto side flybar before installing paddles centering flybar head once centered balance can adjusted using wheel collars Other wise MonoKote may added light paddle similar fashion described Continued page 113 50 Model Aviation Mini Boy availablewith collective pitch head allowing beginnerto upgrade machine skill increases appeared last years Statesville NC meet Mini Boy Schluter has reputation excellent beginners model mechanics straightforward everything out can work CA 95603 16-oz tank US Quadra 1032 E Manitowoc Ave Oak Creek WI 53154 fuel line hook together Aqua Blue gasoline diesel fuel line AeroTrend Products 44 West Prospect St New Haven CT 06515 B-I-I-G B-29 Last year Bob Campbell RC Kits showed up Toledo twin-Quadrapowered Grumman Tigercat Later year demonstrated just show several events including IMAA Fun Fly Festival Louisville proved everyone flew flew very very well year Toledo plans have display 165-ft span B-29 getting too much contemplate admire Bobs imagination perseverance Powered four 24 Kioritz engines projected weight 125-150 lb Retracts custom made Aeromarine wings stab foam fuselage built-up entire aircraft sheeted 3/32 balsa 1/64 ply dont know plans transport wings break down fuselage 11 ft long Fly-ins scheduled Radio Control Club Connecticut hosting Giant Scale Fly-in Sunday June 6 site Sikorsky Memorial Airport Stratford CT info available Ray Hinds 140 Edna Ave Bridgeport CT 06610 phone 203 334-7207 Second Annual -Scale/Giant Size Flyin sponsored Winnebago RC Fliers scheduled August 29th informa tion write Hugh Ziebell 338 West 20th Ave Oshkosh WI 54901 orphone414 235-2316 following list IMAA-sanctioned Fly-ins scheduled throughout year Its bare-bones list just quick reference details check Spring 82 issue IMAA High Flight write Don Godfrey 254 Washington St Binghamton NY 13901 May 12 16 22 23 29 30 29-31 June 5 6 6 12 13 12 13 26 27 27 Wichita KS Sterling Hgts. MI Milan Ml Soath Bead IN Louisville KY Rochester NY Bridgeport CT Qankertosen PA Gaston IN Alliance OH Hamburg PA July 10 II 17 18 24 3 I-Aug August 7 5 Somers NY 7 5 Napoleon OH 22 Oak Forest IL 22 Arlington Hgts. IL 27-29Ida Grove IA IMAA 2nd Annual Fan Fly September 4 5 Harrisburg PA 4-6 Geneva OH 1519Napoleon OH 1519 Crofton MD Bob Beckman 8248 Holly Grove Ct Manas sos VA 22110 RC Helicopters/Chesney Continued page 50 main rotor blades youre very careful heavy paddle may drilled end bring weight lighter paddle main rotor blades must equal weight area airfoil may corrected have equal centers gravity say may because Helicopters will tolerate blades equal CGs least within reason major Oleun NY Ft Worth TX Muskegon MI Phelps NY Buy DIRECT SAVE OVER 50% COMPLETE MODELERS ASSORTMENT OF FASTENERS MAY* NEW*AT YOUR FINGER TUPS*~* **5g * * R OFFERED BEFORE**NO ORGANIZER AT OVER FIFTY* *NO MORE SPECIAL TRIPS TO THE**DOLLARS THAN TWICEOUR* *HOBBY STORE IF IT IS OPEN** 495* HSA-735 ALLOY STEEl SOCKET HEAD CAP SCREWS CONTENTS LISTPCS 256 n 316 SOCKET HEAD CAP SCREW25 256 n 1 4 SOCKET HEAD CAP SCREW25 2-56 n 2 SOCKET HEAD CAP SCREW25 440 n 1 6 SOCKET HEAD CAP SCREW20 440 n 1 2 SOCKET HEAD CAP SCREW20 66t 3 6 SOCKET HEAD CAP SCREW20 660 n 1 SOCKET HEAD CAP SCREW20 S32n 1 SOCKET HEAD CAP SCREW15 632 n 1 2 SOCKET HEAD CAP SCREW15 632 n 36 SOCKET HEAD CAP SCREW15 6-32 n 1 SOCKET HEAD CAP SCREWIS632 n 1 SOCKET HEAD CAP SCREW15 532 n 2 SOCKET HEAD CAP SCREW15 N N * Please Include $250 postage handling * Add $150 COD * Minn residents add 5% sales tan * Orders will Shipped within 48 hours FLAT WASHERS SAE ZINC PLATED 4 6 NYLON INSERT LOCK NUTS ZINC PLATED 256 460 632 KITS COME COMPLETE WITH SR COMPARTMENT HEAVY DUTY INDUSTRIAL ORGANIZER ONLY $2495 BIG BEAUTIFUL AIRPLANES $9950 STINSON VOYAGER OnnOua e Scan Wing Span 0 75 2 CS Mammoth Kiln designud Guadra other 2 CyCIU engineS Plywood & SofIwood COOSIrUClIOn j $9950 Th BONZO Almost 1/3 Scale Sport Pylon Pattern Flying 60 Quadra Power Wing Span 54 1 Pc Shipping Charges Included US & Canada Capable carrying 10 lbs cargo Wing Span 931/4 2 pcs GIANTooSCALE PLANS Including Assembly Instructions Available J5 Airplanes Boats $1 795 SET J -5 ENTURPRU Box 82 Belmont OntarIo NOI leO PO Bolt 8 North Street Michigan 48049 Ptlone 15194440375 June 1982 113 1/20 TH SCALE XC&MENTATA9N DWGS OF NOTABLE FAIRCHILDS FAIRCIIIL FC-1 GEORGE H CLAPP -CENTRAL SOLI4RE NY /3036 INFO $100 -REFUNDED WITH ORDER Mail Order HARDWARE SYSTEMS 7428 WashIngton Ave. So Eden Prairie Minn 55344 Phone 81294185 PS Au 90 75 90 TOTAL PCS 735 Fits Mont Engines 40 & Up Made USA Announcing * *THE ALL NEW* * BEST AIR CLEANER Cat No 102 Marine Coarse $225 Cat No 104 Replacement Filters Coarse Pk 2 / $195 Cat No 202 Aircraft Fine $225 Cat Na 204 Replacement Filters Fine Pk 2 / $195 See Local Hobby Dealer unavailable locally send Add 75C Iv svppvq Mc5 ecdnts add dl sares Best Models Inc PO Box 3786 Center Line Ml 48015 LOADMASTER 0 distinctive sound air. Technopowers 7 cylinder 4 cycle Radial Engine Send $200 catalog products TECH NOPOWER H INC 16650 South 104th AVENUE ORLAND PARK ILLINOIS 60462 mdI matter TM mODEL IPORT TOTE ONLY 17995 44 * New Model CI-adles holds models field repdll-s wipIng Fuselage cradles adiosl up 10 Swidelill dodlnlescnpe exception would few flybarless Helicopters available blade CGs become very impor tant super-smooth system flybarless correcting CGs rotor blades way go its complicated task beginners starting flybarless Helicopter easiest method simply use MonoKote similar material wrapped around light blade balance rotor system Balancing manner fundamental always shown building instructions Take time get right Another area will cause vibration lead/lag adjustment blades certain ly true blades fixed head such manner free lead/lag will blade holders whether single-bolt type rigidly fixed head should attached holders parallel leading edge blade Most manufacturers now supply pre drilled rotor blades slight alignment required Again instructions will give lead/ lag info required Another area watch setting coning angle coning angle may compared dihedral angle airplane wing set reduce bending effect blades created lift blades unlike airplane wing should viewed means ofincreas ing stability Helicopter Dont set coning angle specified thought stability will improved coning angle function centrifugal force trying straighten blades out flat aerodynamic force tries bend blades up ward tips Helicopter lifted angle may calculated set final weight Helicopter centrifugal force rotor blade known designer does know things chooses average coning angle represents calculations nominal Helicopter built kit Increasing coning angle will improve stability fact can lead apparent vibration problems due increased tendency blades twist apparent vibration particularly notice able variable-collective-pitch Helicopters since blade independent other little cancelling effect fixedcollective head bottom line set coning angle recommended coning angle has set teeter spring used rotor head teeter spring bracket should adjusted rotor head level teeter spring bent instead might work loose rotate causing head off-level twice original error building Helicopter careful atten tion instructions regard static balancing rotating components will usually result acceptable dynamic balance everything starts turning round round before significant aerodynamic forces come play Helicopter should pretty smooth remains aerodynamically balance Helicopter means getting blades track have set up pitch angles recommended will usually mean slight touch-up incidence setting rotor blade Usually high running blade brought down low blade reducing its pitch angle Whichoneishigh Thatshardtotellifoneblade isnt marked high-visibility color tip usually use dayglow MonoKote statically balancing rotor head have no trouble seeing blade versus other youre dayglow nut like use contrasting colors tipslike black blade yellow other Stay away color choices such light blue gold Youll need 114 Model Aviation 4et4u G64 / EPOXY RESIN CONTINUOUS FILAMENT 0 STRONGER0 7X55$549es o QUIETER0 8X89X69X7$ 795 #8 o MORE SPEED0 1OX61112X6 $ 995 o MORE POWER0 10X6 3/BLADE $1495a o FASTER ACCEL0 PITCH GUAGES2Z95a o HEAT STABLE0 10% OFF SIX/PAJ O STRAIGHT VORTEX o RIGHT LEFT HAND DeIrs inyite AAI 1-303-469-3928 MC/VISA GaO PROP cash Check MO SHOP 109 Emerald St Broomflelcf Co 60020 DoCo * Model ape t Tote Teelpact lightuseight 21c tO e 93t * Special coated surface feel water resistast Carries starter t2n battery power panel transmitter & has hooks coiling glow plog & starter cords l5ll~ 12 bllrn nn loin Alowinow folding1oth lid sides op en legsaccess oobrea kable tray organizer iooide See Dealer firstiDC Producti Inc 14572 Grover Jireot omeho flebronho 68144 catalog 8150 Fine Quality Flying Models 98 RUBBER POWER KITS plus Gliders C/L RIC Accessories Books 44 4 4 4 4 4 4 4 MAJESTIC MODELS 3273 West 129th Street Cleveland Ohio 44111 PA TCHES BADUES Engraved Embossed Embroidererd High Quality Low Price information prices list products send sase Generation Products Co Inc 5l2 Southwood Little Rock AR 72205 Watch Before go back work bench think lot will interested seeing video tape Gorham Model Products VHS tape about 20 minutes long course largely promo tape GMP has some excellent flying sequences available GMP $30 refundable upon its return think makes great club program Stir up some interest area Smooth flying See next month Dave Chesney Rt 9 Box 621A Greensboro NC 27409 CL Aerobatics/Paul Continued page 57 317 546-1648 muffler specifically designed CL Stunt now being offered Genesis Muffler designed World Champion Bob Hunt manufactured father Jim Hunt Weight muffler its 05 40 45 FSR HP 40 Cost $1500 plus postage packing Order Jim Hunt J H Hunt Design Sales Co PO Box 599 Saddle Brook NJ 07662-0599 Jim Hunt also manufacturing Genesis control horn has bushings already soldered also has brass bearings attaching wing Sizes 3 4 5 6 Prices $225 $255 plus Sog postage Order Jim address above NylonDelrin bellcranks -to-hole very strong triangular construction super Delrin NEW FUEL fuel tBlue Flame gives youedge performance BLUE FLAME fuels made highest quality ingredients give engine Best Performance Longest Life Made blend synthetic castor beet possible lubrication Detergent action cut varnish muffler 4 Gallon Case MIX OR MATCH PER GALLON Drum Write call latest Arm mm nriPnQ No COD FOB Englowood Check Chargocard Money Order Only Send FREE Catalog Shipping Cost Per Case UPS Call UPS 7nnA AF bushing weight 118 grams including bushing available $400 writer DeLano custom-made flap elevator horns drilled undrilled stainless steel horn steel shank no bearings needs pieces brass tubing bearing large size flaps smaller size elevators $200 plus 25g postage Order Wynn PauL One-piece aluminum adjustable leadout fix tures spacing 9/16 1-1/16 set ply wood two-piece aluminum individuallyadjustable leadout guides set plywood Price $300 plus 25c postage Order Wynn Paul Engine venturi sets Aluminum color coded blueis295 greenis288 goldis281 red 275 Made ST 46 OS Max 40 45 FSR Set four comes 0 rings Sold insets four Set $1600 Order Wynn Paul Metal bellcranks available Steel bellcranks brass bushings 6-32 bolt included C-25 size measures 35 C-26 size measures 25 hole hole Cost $200 plus $100 postage handling No personal checks Order Leon R Ryktarsyk 7787 Archdale Avenue Detroit MI 48228 Reference manual available Bibliography Index Information Publications about Control Line Precision Aerobatics worlds longest title 35-page reference manual articles published major model magazines 1946 1981 pertain Precision Aerobatics Articles crossreferenced information arranged chronological order 1946 1981 over 50 topics including aerodynamics air plane plan views balsa wood canopy controls Continued page 124 OHIO 43545 4AE*SE5a KITS 1/4 SCALE SEMI KIT13900 1/4 SCALE COMPLETE KIT .199O0 1/3 SCALE SEMI KIT16900 1/3 SCALE COMPLETE KIT.22900 PLEASE ADD $750 FOR SHIPPING 1/4 ICALE SPAS 80 WEIGHT 20ff ENGINE QUADRA 1/3 SCALE SPAN 106 WEIGHT 28ff ENGINE QUADRA SEMI KiTS CONTAIN SAWED AND SANDED FORRERS WALL WING RIDS TIDS RUDDER MID STAB OUTLINDS SIZE PLAWI COMPLETE KITS CONTAIN THE ABOVE PARIS ALL PINE AND BAlSA STRIP WOOD WARE SEND *1 00 FOR OUR COMPLETE CAYALOG PHONE 419 599-2121 116 Model Aviation US Scale IWasteis East Coast Scale Masters Qualifier OGES RADIO CQN1 nowle Maryland June 12-13 1982 Stand-Off Scale Giant Scale Registration 830 1000 Superb Paved FlyingSlte Camping Field Excellent PrIzes Tom nayne CD 301 627-5118 17102 Earlham Ct Upper Marlboro MD 20772 good contrast see blade needs adjustment Hope smooths things out 5O/ $535 10% $605 15% $670 0. 4fl 2-426 3-513 4-630 5-759 6-946 7-1140 8- 1376
Edition: Model Aviation - 1982/06
Page Numbers: 50, 113, 114, 116
Radio Control HELICOPTERS Dave Chesney VIBRATION CAN really shake up beginning RC Helicopter flier Unfortunately its much Helicopter will vibrate Evi dently beginners expect see new machines shake rule can see vibration something system needs attention least decision needs made whether vibration level acceptable equipment pilot Pilots will have differences opinion opinion recently given good friend finally coming back RC Helicopters goes something like Helicopters vibrate dont fly Take guy perhaps meticulous should Helicopters vibrate will fly will eventually fly apart time experience vibration can inhibit flight machine can eliminated Ever see Hubert Bitners Mike Mas machines case shakes would say difference between vibra tion levels some beginners machines vibration levels experts Helicopters measured care assembly experience Obviously beginner will have experience finding remedies unacceptable vibration Perhaps prepared take care necessary reduce vibration levels first machine Believe though chances successful first flights continued success ful flying much greater vibration can minimized RC Helicopters can tolerate vibration assembled properly use Blue Loctite perfection absolutely requiredjust reasonable attention details attention particularly important building sub systems go round round engine cooling fan transmission main rotor system tail rotor system prime candi dates creating excessive vibration care taken properly balance align components engine fan transmission usually assembled very early building stages Helicopter kit lack attention care stage can result severe high-frequency vibra tion often shows up radio system form glitches caused danc ing servo potentiometer wipers say highfrequency vibraton since vibration set up engine/transmission system related speed engine always greater speed rotor system Usually few problems will encountered unless some modification required such drilling Out cooling fan gear accept largeshaft engine Drilling must done using hand drill drill press available take time run down machine shop job Yep hole has right smack middle minimum clearance between engine shafts outside diameter cooling fan gear inside diameter Naturally engine shaft should true extended shaft used such starting shaft Heliboy too must have minimum runout shouldnt wobble end engine shaft turned Bent broken fan blades will cause problems dont clamp shiny new fan vise tighten engine prop nut Rather clamping use heavy towel wrapped around fan leverage required youre building Schluter machine use special tool available Miniature Aircraft Supply Since talking new Helicopter kits engines bearings should OK keep mind worn bearing can cause vibration later tail rotor system will also suspect vibration problems exist During assembly kit attention balance tail rotor blades will usually result acceptable vibra tion level Most instructions will detail balance T/R blades After few flights increased vibration level occurs check T/R blades nicks check bent T/R shafts possible cause T/R bearings also suspect check machine has lot running time particularly machines using belt drive would say reservation main rotor system cause RC Helicopter vibrations can seen old tail boom shake landing skid shimmy can probably traced balance problem bent main rotor shaft Vibration due rotor system will course follow speed rotor system bent main shaft bent blade pitch axles may problem usually true new undamaged Helicopter back building sequences flybar servo rotor used must installed carefully assure proper balance paddles should equal weight area airfoil section both statically dynamically balanced flybar stalled paddles added instructed flybar should adjusted distances tips paddle center head equal tip may helpful slide wheel collar onto side flybar before installing paddles centering flybar head once centered balance can adjusted using wheel collars Other wise MonoKote may added light paddle similar fashion described Continued page 113 50 Model Aviation Mini Boy availablewith collective pitch head allowing beginnerto upgrade machine skill increases appeared last years Statesville NC meet Mini Boy Schluter has reputation excellent beginners model mechanics straightforward everything out can work CA 95603 16-oz tank US Quadra 1032 E Manitowoc Ave Oak Creek WI 53154 fuel line hook together Aqua Blue gasoline diesel fuel line AeroTrend Products 44 West Prospect St New Haven CT 06515 B-I-I-G B-29 Last year Bob Campbell RC Kits showed up Toledo twin-Quadrapowered Grumman Tigercat Later year demonstrated just show several events including IMAA Fun Fly Festival Louisville proved everyone flew flew very very well year Toledo plans have display 165-ft span B-29 getting too much contemplate admire Bobs imagination perseverance Powered four 24 Kioritz engines projected weight 125-150 lb Retracts custom made Aeromarine wings stab foam fuselage built-up entire aircraft sheeted 3/32 balsa 1/64 ply dont know plans transport wings break down fuselage 11 ft long Fly-ins scheduled Radio Control Club Connecticut hosting Giant Scale Fly-in Sunday June 6 site Sikorsky Memorial Airport Stratford CT info available Ray Hinds 140 Edna Ave Bridgeport CT 06610 phone 203 334-7207 Second Annual -Scale/Giant Size Flyin sponsored Winnebago RC Fliers scheduled August 29th informa tion write Hugh Ziebell 338 West 20th Ave Oshkosh WI 54901 orphone414 235-2316 following list IMAA-sanctioned Fly-ins scheduled throughout year Its bare-bones list just quick reference details check Spring 82 issue IMAA High Flight write Don Godfrey 254 Washington St Binghamton NY 13901 May 12 16 22 23 29 30 29-31 June 5 6 6 12 13 12 13 26 27 27 Wichita KS Sterling Hgts. MI Milan Ml Soath Bead IN Louisville KY Rochester NY Bridgeport CT Qankertosen PA Gaston IN Alliance OH Hamburg PA July 10 II 17 18 24 3 I-Aug August 7 5 Somers NY 7 5 Napoleon OH 22 Oak Forest IL 22 Arlington Hgts. IL 27-29Ida Grove IA IMAA 2nd Annual Fan Fly September 4 5 Harrisburg PA 4-6 Geneva OH 1519Napoleon OH 1519 Crofton MD Bob Beckman 8248 Holly Grove Ct Manas sos VA 22110 RC Helicopters/Chesney Continued page 50 main rotor blades youre very careful heavy paddle may drilled end bring weight lighter paddle main rotor blades must equal weight area airfoil may corrected have equal centers gravity say may because Helicopters will tolerate blades equal CGs least within reason major Oleun NY Ft Worth TX Muskegon MI Phelps NY Buy DIRECT SAVE OVER 50% COMPLETE MODELERS ASSORTMENT OF FASTENERS MAY* NEW*AT YOUR FINGER TUPS*~* **5g * * R OFFERED BEFORE**NO ORGANIZER AT OVER FIFTY* *NO MORE SPECIAL TRIPS TO THE**DOLLARS THAN TWICEOUR* *HOBBY STORE IF IT IS OPEN** 495* HSA-735 ALLOY STEEl SOCKET HEAD CAP SCREWS CONTENTS LISTPCS 256 n 316 SOCKET HEAD CAP SCREW25 256 n 1 4 SOCKET HEAD CAP SCREW25 2-56 n 2 SOCKET HEAD CAP SCREW25 440 n 1 6 SOCKET HEAD CAP SCREW20 440 n 1 2 SOCKET HEAD CAP SCREW20 66t 3 6 SOCKET HEAD CAP SCREW20 660 n 1 SOCKET HEAD CAP SCREW20 S32n 1 SOCKET HEAD CAP SCREW15 632 n 1 2 SOCKET HEAD CAP SCREW15 632 n 36 SOCKET HEAD CAP SCREW15 6-32 n 1 SOCKET HEAD CAP SCREWIS632 n 1 SOCKET HEAD CAP SCREW15 532 n 2 SOCKET HEAD CAP SCREW15 N N * Please Include $250 postage handling * Add $150 COD * Minn residents add 5% sales tan * Orders will Shipped within 48 hours FLAT WASHERS SAE ZINC PLATED 4 6 NYLON INSERT LOCK NUTS ZINC PLATED 256 460 632 KITS COME COMPLETE WITH SR COMPARTMENT HEAVY DUTY INDUSTRIAL ORGANIZER ONLY $2495 BIG BEAUTIFUL AIRPLANES $9950 STINSON VOYAGER OnnOua e Scan Wing Span 0 75 2 CS Mammoth Kiln designud Guadra other 2 CyCIU engineS Plywood & SofIwood COOSIrUClIOn j $9950 Th BONZO Almost 1/3 Scale Sport Pylon Pattern Flying 60 Quadra Power Wing Span 54 1 Pc Shipping Charges Included US & Canada Capable carrying 10 lbs cargo Wing Span 931/4 2 pcs GIANTooSCALE PLANS Including Assembly Instructions Available J5 Airplanes Boats $1 795 SET J -5 ENTURPRU Box 82 Belmont OntarIo NOI leO PO Bolt 8 North Street Michigan 48049 Ptlone 15194440375 June 1982 113 1/20 TH SCALE XC&MENTATA9N DWGS OF NOTABLE FAIRCHILDS FAIRCIIIL FC-1 GEORGE H CLAPP -CENTRAL SOLI4RE NY /3036 INFO $100 -REFUNDED WITH ORDER Mail Order HARDWARE SYSTEMS 7428 WashIngton Ave. So Eden Prairie Minn 55344 Phone 81294185 PS Au 90 75 90 TOTAL PCS 735 Fits Mont Engines 40 & Up Made USA Announcing * *THE ALL NEW* * BEST AIR CLEANER Cat No 102 Marine Coarse $225 Cat No 104 Replacement Filters Coarse Pk 2 / $195 Cat No 202 Aircraft Fine $225 Cat Na 204 Replacement Filters Fine Pk 2 / $195 See Local Hobby Dealer unavailable locally send Add 75C Iv svppvq Mc5 ecdnts add dl sares Best Models Inc PO Box 3786 Center Line Ml 48015 LOADMASTER 0 distinctive sound air. Technopowers 7 cylinder 4 cycle Radial Engine Send $200 catalog products TECH NOPOWER H INC 16650 South 104th AVENUE ORLAND PARK ILLINOIS 60462 mdI matter TM mODEL IPORT TOTE ONLY 17995 44 * New Model CI-adles holds models field repdll-s wipIng Fuselage cradles adiosl up 10 Swidelill dodlnlescnpe exception would few flybarless Helicopters available blade CGs become very impor tant super-smooth system flybarless correcting CGs rotor blades way go its complicated task beginners starting flybarless Helicopter easiest method simply use MonoKote similar material wrapped around light blade balance rotor system Balancing manner fundamental always shown building instructions Take time get right Another area will cause vibration lead/lag adjustment blades certain ly true blades fixed head such manner free lead/lag will blade holders whether single-bolt type rigidly fixed head should attached holders parallel leading edge blade Most manufacturers now supply pre drilled rotor blades slight alignment required Again instructions will give lead/ lag info required Another area watch setting coning angle coning angle may compared dihedral angle airplane wing set reduce bending effect blades created lift blades unlike airplane wing should viewed means ofincreas ing stability Helicopter Dont set coning angle specified thought stability will improved coning angle function centrifugal force trying straighten blades out flat aerodynamic force tries bend blades up ward tips Helicopter lifted angle may calculated set final weight Helicopter centrifugal force rotor blade known designer does know things chooses average coning angle represents calculations nominal Helicopter built kit Increasing coning angle will improve stability fact can lead apparent vibration problems due increased tendency blades twist apparent vibration particularly notice able variable-collective-pitch Helicopters since blade independent other little cancelling effect fixedcollective head bottom line set coning angle recommended coning angle has set teeter spring used rotor head teeter spring bracket should adjusted rotor head level teeter spring bent instead might work loose rotate causing head off-level twice original error building Helicopter careful atten tion instructions regard static balancing rotating components will usually result acceptable dynamic balance everything starts turning round round before significant aerodynamic forces come play Helicopter should pretty smooth remains aerodynamically balance Helicopter means getting blades track have set up pitch angles recommended will usually mean slight touch-up incidence setting rotor blade Usually high running blade brought down low blade reducing its pitch angle Whichoneishigh Thatshardtotellifoneblade isnt marked high-visibility color tip usually use dayglow MonoKote statically balancing rotor head have no trouble seeing blade versus other youre dayglow nut like use contrasting colors tipslike black blade yellow other Stay away color choices such light blue gold Youll need 114 Model Aviation 4et4u G64 / EPOXY RESIN CONTINUOUS FILAMENT 0 STRONGER0 7X55$549es o QUIETER0 8X89X69X7$ 795 #8 o MORE SPEED0 1OX61112X6 $ 995 o MORE POWER0 10X6 3/BLADE $1495a o FASTER ACCEL0 PITCH GUAGES2Z95a o HEAT STABLE0 10% OFF SIX/PAJ O STRAIGHT VORTEX o RIGHT LEFT HAND DeIrs inyite AAI 1-303-469-3928 MC/VISA GaO PROP cash Check MO SHOP 109 Emerald St Broomflelcf Co 60020 DoCo * Model ape t Tote Teelpact lightuseight 21c tO e 93t * Special coated surface feel water resistast Carries starter t2n battery power panel transmitter & has hooks coiling glow plog & starter cords l5ll~ 12 bllrn nn loin Alowinow folding1oth lid sides op en legsaccess oobrea kable tray organizer iooide See Dealer firstiDC Producti Inc 14572 Grover Jireot omeho flebronho 68144 catalog 8150 Fine Quality Flying Models 98 RUBBER POWER KITS plus Gliders C/L RIC Accessories Books 44 4 4 4 4 4 4 4 MAJESTIC MODELS 3273 West 129th Street Cleveland Ohio 44111 PA TCHES BADUES Engraved Embossed Embroidererd High Quality Low Price information prices list products send sase Generation Products Co Inc 5l2 Southwood Little Rock AR 72205 Watch Before go back work bench think lot will interested seeing video tape Gorham Model Products VHS tape about 20 minutes long course largely promo tape GMP has some excellent flying sequences available GMP $30 refundable upon its return think makes great club program Stir up some interest area Smooth flying See next month Dave Chesney Rt 9 Box 621A Greensboro NC 27409 CL Aerobatics/Paul Continued page 57 317 546-1648 muffler specifically designed CL Stunt now being offered Genesis Muffler designed World Champion Bob Hunt manufactured father Jim Hunt Weight muffler its 05 40 45 FSR HP 40 Cost $1500 plus postage packing Order Jim Hunt J H Hunt Design Sales Co PO Box 599 Saddle Brook NJ 07662-0599 Jim Hunt also manufacturing Genesis control horn has bushings already soldered also has brass bearings attaching wing Sizes 3 4 5 6 Prices $225 $255 plus Sog postage Order Jim address above NylonDelrin bellcranks -to-hole very strong triangular construction super Delrin NEW FUEL fuel tBlue Flame gives youedge performance BLUE FLAME fuels made highest quality ingredients give engine Best Performance Longest Life Made blend synthetic castor beet possible lubrication Detergent action cut varnish muffler 4 Gallon Case MIX OR MATCH PER GALLON Drum Write call latest Arm mm nriPnQ No COD FOB Englowood Check Chargocard Money Order Only Send FREE Catalog Shipping Cost Per Case UPS Call UPS 7nnA AF bushing weight 118 grams including bushing available $400 writer DeLano custom-made flap elevator horns drilled undrilled stainless steel horn steel shank no bearings needs pieces brass tubing bearing large size flaps smaller size elevators $200 plus 25g postage Order Wynn PauL One-piece aluminum adjustable leadout fix tures spacing 9/16 1-1/16 set ply wood two-piece aluminum individuallyadjustable leadout guides set plywood Price $300 plus 25c postage Order Wynn Paul Engine venturi sets Aluminum color coded blueis295 greenis288 goldis281 red 275 Made ST 46 OS Max 40 45 FSR Set four comes 0 rings Sold insets four Set $1600 Order Wynn Paul Metal bellcranks available Steel bellcranks brass bushings 6-32 bolt included C-25 size measures 35 C-26 size measures 25 hole hole Cost $200 plus $100 postage handling No personal checks Order Leon R Ryktarsyk 7787 Archdale Avenue Detroit MI 48228 Reference manual available Bibliography Index Information Publications about Control Line Precision Aerobatics worlds longest title 35-page reference manual articles published major model magazines 1946 1981 pertain Precision Aerobatics Articles crossreferenced information arranged chronological order 1946 1981 over 50 topics including aerodynamics air plane plan views balsa wood canopy controls Continued page 124 OHIO 43545 4AE*SE5a KITS 1/4 SCALE SEMI KIT13900 1/4 SCALE COMPLETE KIT .199O0 1/3 SCALE SEMI KIT16900 1/3 SCALE COMPLETE KIT.22900 PLEASE ADD $750 FOR SHIPPING 1/4 ICALE SPAS 80 WEIGHT 20ff ENGINE QUADRA 1/3 SCALE SPAN 106 WEIGHT 28ff ENGINE QUADRA SEMI KiTS CONTAIN SAWED AND SANDED FORRERS WALL WING RIDS TIDS RUDDER MID STAB OUTLINDS SIZE PLAWI COMPLETE KITS CONTAIN THE ABOVE PARIS ALL PINE AND BAlSA STRIP WOOD WARE SEND *1 00 FOR OUR COMPLETE CAYALOG PHONE 419 599-2121 116 Model Aviation US Scale IWasteis East Coast Scale Masters Qualifier OGES RADIO CQN1 nowle Maryland June 12-13 1982 Stand-Off Scale Giant Scale Registration 830 1000 Superb Paved FlyingSlte Camping Field Excellent PrIzes Tom nayne CD 301 627-5118 17102 Earlham Ct Upper Marlboro MD 20772 good contrast see blade needs adjustment Hope smooths things out 5O/ $535 10% $605 15% $670 0. 4fl 2-426 3-513 4-630 5-759 6-946 7-1140 8- 1376
Edition: Model Aviation - 1982/06
Page Numbers: 50, 113, 114, 116
Radio Control HELICOPTERS Dave Chesney VIBRATION CAN really shake up beginning RC Helicopter flier Unfortunately its much Helicopter will vibrate Evi dently beginners expect see new machines shake rule can see vibration something system needs attention least decision needs made whether vibration level acceptable equipment pilot Pilots will have differences opinion opinion recently given good friend finally coming back RC Helicopters goes something like Helicopters vibrate dont fly Take guy perhaps meticulous should Helicopters vibrate will fly will eventually fly apart time experience vibration can inhibit flight machine can eliminated Ever see Hubert Bitners Mike Mas machines case shakes would say difference between vibra tion levels some beginners machines vibration levels experts Helicopters measured care assembly experience Obviously beginner will have experience finding remedies unacceptable vibration Perhaps prepared take care necessary reduce vibration levels first machine Believe though chances successful first flights continued success ful flying much greater vibration can minimized RC Helicopters can tolerate vibration assembled properly use Blue Loctite perfection absolutely requiredjust reasonable attention details attention particularly important building sub systems go round round engine cooling fan transmission main rotor system tail rotor system prime candi dates creating excessive vibration care taken properly balance align components engine fan transmission usually assembled very early building stages Helicopter kit lack attention care stage can result severe high-frequency vibra tion often shows up radio system form glitches caused danc ing servo potentiometer wipers say highfrequency vibraton since vibration set up engine/transmission system related speed engine always greater speed rotor system Usually few problems will encountered unless some modification required such drilling Out cooling fan gear accept largeshaft engine Drilling must done using hand drill drill press available take time run down machine shop job Yep hole has right smack middle minimum clearance between engine shafts outside diameter cooling fan gear inside diameter Naturally engine shaft should true extended shaft used such starting shaft Heliboy too must have minimum runout shouldnt wobble end engine shaft turned Bent broken fan blades will cause problems dont clamp shiny new fan vise tighten engine prop nut Rather clamping use heavy towel wrapped around fan leverage required youre building Schluter machine use special tool available Miniature Aircraft Supply Since talking new Helicopter kits engines bearings should OK keep mind worn bearing can cause vibration later tail rotor system will also suspect vibration problems exist During assembly kit attention balance tail rotor blades will usually result acceptable vibra tion level Most instructions will detail balance T/R blades After few flights increased vibration level occurs check T/R blades nicks check bent T/R shafts possible cause T/R bearings also suspect check machine has lot running time particularly machines using belt drive would say reservation main rotor system cause RC Helicopter vibrations can seen old tail boom shake landing skid shimmy can probably traced balance problem bent main rotor shaft Vibration due rotor system will course follow speed rotor system bent main shaft bent blade pitch axles may problem usually true new undamaged Helicopter back building sequences flybar servo rotor used must installed carefully assure proper balance paddles should equal weight area airfoil section both statically dynamically balanced flybar stalled paddles added instructed flybar should adjusted distances tips paddle center head equal tip may helpful slide wheel collar onto side flybar before installing paddles centering flybar head once centered balance can adjusted using wheel collars Other wise MonoKote may added light paddle similar fashion described Continued page 113 50 Model Aviation Mini Boy availablewith collective pitch head allowing beginnerto upgrade machine skill increases appeared last years Statesville NC meet Mini Boy Schluter has reputation excellent beginners model mechanics straightforward everything out can work CA 95603 16-oz tank US Quadra 1032 E Manitowoc Ave Oak Creek WI 53154 fuel line hook together Aqua Blue gasoline diesel fuel line AeroTrend Products 44 West Prospect St New Haven CT 06515 B-I-I-G B-29 Last year Bob Campbell RC Kits showed up Toledo twin-Quadrapowered Grumman Tigercat Later year demonstrated just show several events including IMAA Fun Fly Festival Louisville proved everyone flew flew very very well year Toledo plans have display 165-ft span B-29 getting too much contemplate admire Bobs imagination perseverance Powered four 24 Kioritz engines projected weight 125-150 lb Retracts custom made Aeromarine wings stab foam fuselage built-up entire aircraft sheeted 3/32 balsa 1/64 ply dont know plans transport wings break down fuselage 11 ft long Fly-ins scheduled Radio Control Club Connecticut hosting Giant Scale Fly-in Sunday June 6 site Sikorsky Memorial Airport Stratford CT info available Ray Hinds 140 Edna Ave Bridgeport CT 06610 phone 203 334-7207 Second Annual -Scale/Giant Size Flyin sponsored Winnebago RC Fliers scheduled August 29th informa tion write Hugh Ziebell 338 West 20th Ave Oshkosh WI 54901 orphone414 235-2316 following list IMAA-sanctioned Fly-ins scheduled throughout year Its bare-bones list just quick reference details check Spring 82 issue IMAA High Flight write Don Godfrey 254 Washington St Binghamton NY 13901 May 12 16 22 23 29 30 29-31 June 5 6 6 12 13 12 13 26 27 27 Wichita KS Sterling Hgts. MI Milan Ml Soath Bead IN Louisville KY Rochester NY Bridgeport CT Qankertosen PA Gaston IN Alliance OH Hamburg PA July 10 II 17 18 24 3 I-Aug August 7 5 Somers NY 7 5 Napoleon OH 22 Oak Forest IL 22 Arlington Hgts. IL 27-29Ida Grove IA IMAA 2nd Annual Fan Fly September 4 5 Harrisburg PA 4-6 Geneva OH 1519Napoleon OH 1519 Crofton MD Bob Beckman 8248 Holly Grove Ct Manas sos VA 22110 RC Helicopters/Chesney Continued page 50 main rotor blades youre very careful heavy paddle may drilled end bring weight lighter paddle main rotor blades must equal weight area airfoil may corrected have equal centers gravity say may because Helicopters will tolerate blades equal CGs least within reason major Oleun NY Ft Worth TX Muskegon MI Phelps NY Buy DIRECT SAVE OVER 50% COMPLETE MODELERS ASSORTMENT OF FASTENERS MAY* NEW*AT YOUR FINGER TUPS*~* **5g * * R OFFERED BEFORE**NO ORGANIZER AT OVER FIFTY* *NO MORE SPECIAL TRIPS TO THE**DOLLARS THAN TWICEOUR* *HOBBY STORE IF IT IS OPEN** 495* HSA-735 ALLOY STEEl SOCKET HEAD CAP SCREWS CONTENTS LISTPCS 256 n 316 SOCKET HEAD CAP SCREW25 256 n 1 4 SOCKET HEAD CAP SCREW25 2-56 n 2 SOCKET HEAD CAP SCREW25 440 n 1 6 SOCKET HEAD CAP SCREW20 440 n 1 2 SOCKET HEAD CAP SCREW20 66t 3 6 SOCKET HEAD CAP SCREW20 660 n 1 SOCKET HEAD CAP SCREW20 S32n 1 SOCKET HEAD CAP SCREW15 632 n 1 2 SOCKET HEAD CAP SCREW15 632 n 36 SOCKET HEAD CAP SCREW15 6-32 n 1 SOCKET HEAD CAP SCREWIS632 n 1 SOCKET HEAD CAP SCREW15 532 n 2 SOCKET HEAD CAP SCREW15 N N * Please Include $250 postage handling * Add $150 COD * Minn residents add 5% sales tan * Orders will Shipped within 48 hours FLAT WASHERS SAE ZINC PLATED 4 6 NYLON INSERT LOCK NUTS ZINC PLATED 256 460 632 KITS COME COMPLETE WITH SR COMPARTMENT HEAVY DUTY INDUSTRIAL ORGANIZER ONLY $2495 BIG BEAUTIFUL AIRPLANES $9950 STINSON VOYAGER OnnOua e Scan Wing Span 0 75 2 CS Mammoth Kiln designud Guadra other 2 CyCIU engineS Plywood & SofIwood COOSIrUClIOn j $9950 Th BONZO Almost 1/3 Scale Sport Pylon Pattern Flying 60 Quadra Power Wing Span 54 1 Pc Shipping Charges Included US & Canada Capable carrying 10 lbs cargo Wing Span 931/4 2 pcs GIANTooSCALE PLANS Including Assembly Instructions Available J5 Airplanes Boats $1 795 SET J -5 ENTURPRU Box 82 Belmont OntarIo NOI leO PO Bolt 8 North Street Michigan 48049 Ptlone 15194440375 June 1982 113 1/20 TH SCALE XC&MENTATA9N DWGS OF NOTABLE FAIRCHILDS FAIRCIIIL FC-1 GEORGE H CLAPP -CENTRAL SOLI4RE NY /3036 INFO $100 -REFUNDED WITH ORDER Mail Order HARDWARE SYSTEMS 7428 WashIngton Ave. So Eden Prairie Minn 55344 Phone 81294185 PS Au 90 75 90 TOTAL PCS 735 Fits Mont Engines 40 & Up Made USA Announcing * *THE ALL NEW* * BEST AIR CLEANER Cat No 102 Marine Coarse $225 Cat No 104 Replacement Filters Coarse Pk 2 / $195 Cat No 202 Aircraft Fine $225 Cat Na 204 Replacement Filters Fine Pk 2 / $195 See Local Hobby Dealer unavailable locally send Add 75C Iv svppvq Mc5 ecdnts add dl sares Best Models Inc PO Box 3786 Center Line Ml 48015 LOADMASTER 0 distinctive sound air. Technopowers 7 cylinder 4 cycle Radial Engine Send $200 catalog products TECH NOPOWER H INC 16650 South 104th AVENUE ORLAND PARK ILLINOIS 60462 mdI matter TM mODEL IPORT TOTE ONLY 17995 44 * New Model CI-adles holds models field repdll-s wipIng Fuselage cradles adiosl up 10 Swidelill dodlnlescnpe exception would few flybarless Helicopters available blade CGs become very impor tant super-smooth system flybarless correcting CGs rotor blades way go its complicated task beginners starting flybarless Helicopter easiest method simply use MonoKote similar material wrapped around light blade balance rotor system Balancing manner fundamental always shown building instructions Take time get right Another area will cause vibration lead/lag adjustment blades certain ly true blades fixed head such manner free lead/lag will blade holders whether single-bolt type rigidly fixed head should attached holders parallel leading edge blade Most manufacturers now supply pre drilled rotor blades slight alignment required Again instructions will give lead/ lag info required Another area watch setting coning angle coning angle may compared dihedral angle airplane wing set reduce bending effect blades created lift blades unlike airplane wing should viewed means ofincreas ing stability Helicopter Dont set coning angle specified thought stability will improved coning angle function centrifugal force trying straighten blades out flat aerodynamic force tries bend blades up ward tips Helicopter lifted angle may calculated set final weight Helicopter centrifugal force rotor blade known designer does know things chooses average coning angle represents calculations nominal Helicopter built kit Increasing coning angle will improve stability fact can lead apparent vibration problems due increased tendency blades twist apparent vibration particularly notice able variable-collective-pitch Helicopters since blade independent other little cancelling effect fixedcollective head bottom line set coning angle recommended coning angle has set teeter spring used rotor head teeter spring bracket should adjusted rotor head level teeter spring bent instead might work loose rotate causing head off-level twice original error building Helicopter careful atten tion instructions regard static balancing rotating components will usually result acceptable dynamic balance everything starts turning round round before significant aerodynamic forces come play Helicopter should pretty smooth remains aerodynamically balance Helicopter means getting blades track have set up pitch angles recommended will usually mean slight touch-up incidence setting rotor blade Usually high running blade brought down low blade reducing its pitch angle Whichoneishigh Thatshardtotellifoneblade isnt marked high-visibility color tip usually use dayglow MonoKote statically balancing rotor head have no trouble seeing blade versus other youre dayglow nut like use contrasting colors tipslike black blade yellow other Stay away color choices such light blue gold Youll need 114 Model Aviation 4et4u G64 / EPOXY RESIN CONTINUOUS FILAMENT 0 STRONGER0 7X55$549es o QUIETER0 8X89X69X7$ 795 #8 o MORE SPEED0 1OX61112X6 $ 995 o MORE POWER0 10X6 3/BLADE $1495a o FASTER ACCEL0 PITCH GUAGES2Z95a o HEAT STABLE0 10% OFF SIX/PAJ O STRAIGHT VORTEX o RIGHT LEFT HAND DeIrs inyite AAI 1-303-469-3928 MC/VISA GaO PROP cash Check MO SHOP 109 Emerald St Broomflelcf Co 60020 DoCo * Model ape t Tote Teelpact lightuseight 21c tO e 93t * Special coated surface feel water resistast Carries starter t2n battery power panel transmitter & has hooks coiling glow plog & starter cords l5ll~ 12 bllrn nn loin Alowinow folding1oth lid sides op en legsaccess oobrea kable tray organizer iooide See Dealer firstiDC Producti Inc 14572 Grover Jireot omeho flebronho 68144 catalog 8150 Fine Quality Flying Models 98 RUBBER POWER KITS plus Gliders C/L RIC Accessories Books 44 4 4 4 4 4 4 4 MAJESTIC MODELS 3273 West 129th Street Cleveland Ohio 44111 PA TCHES BADUES Engraved Embossed Embroidererd High Quality Low Price information prices list products send sase Generation Products Co Inc 5l2 Southwood Little Rock AR 72205 Watch Before go back work bench think lot will interested seeing video tape Gorham Model Products VHS tape about 20 minutes long course largely promo tape GMP has some excellent flying sequences available GMP $30 refundable upon its return think makes great club program Stir up some interest area Smooth flying See next month Dave Chesney Rt 9 Box 621A Greensboro NC 27409 CL Aerobatics/Paul Continued page 57 317 546-1648 muffler specifically designed CL Stunt now being offered Genesis Muffler designed World Champion Bob Hunt manufactured father Jim Hunt Weight muffler its 05 40 45 FSR HP 40 Cost $1500 plus postage packing Order Jim Hunt J H Hunt Design Sales Co PO Box 599 Saddle Brook NJ 07662-0599 Jim Hunt also manufacturing Genesis control horn has bushings already soldered also has brass bearings attaching wing Sizes 3 4 5 6 Prices $225 $255 plus Sog postage Order Jim address above NylonDelrin bellcranks -to-hole very strong triangular construction super Delrin NEW FUEL fuel tBlue Flame gives youedge performance BLUE FLAME fuels made highest quality ingredients give engine Best Performance Longest Life Made blend synthetic castor beet possible lubrication Detergent action cut varnish muffler 4 Gallon Case MIX OR MATCH PER GALLON Drum Write call latest Arm mm nriPnQ No COD FOB Englowood Check Chargocard Money Order Only Send FREE Catalog Shipping Cost Per Case UPS Call UPS 7nnA AF bushing weight 118 grams including bushing available $400 writer DeLano custom-made flap elevator horns drilled undrilled stainless steel horn steel shank no bearings needs pieces brass tubing bearing large size flaps smaller size elevators $200 plus 25g postage Order Wynn PauL One-piece aluminum adjustable leadout fix tures spacing 9/16 1-1/16 set ply wood two-piece aluminum individuallyadjustable leadout guides set plywood Price $300 plus 25c postage Order Wynn Paul Engine venturi sets Aluminum color coded blueis295 greenis288 goldis281 red 275 Made ST 46 OS Max 40 45 FSR Set four comes 0 rings Sold insets four Set $1600 Order Wynn Paul Metal bellcranks available Steel bellcranks brass bushings 6-32 bolt included C-25 size measures 35 C-26 size measures 25 hole hole Cost $200 plus $100 postage handling No personal checks Order Leon R Ryktarsyk 7787 Archdale Avenue Detroit MI 48228 Reference manual available Bibliography Index Information Publications about Control Line Precision Aerobatics worlds longest title 35-page reference manual articles published major model magazines 1946 1981 pertain Precision Aerobatics Articles crossreferenced information arranged chronological order 1946 1981 over 50 topics including aerodynamics air plane plan views balsa wood canopy controls Continued page 124 OHIO 43545 4AE*SE5a KITS 1/4 SCALE SEMI KIT13900 1/4 SCALE COMPLETE KIT .199O0 1/3 SCALE SEMI KIT16900 1/3 SCALE COMPLETE KIT.22900 PLEASE ADD $750 FOR SHIPPING 1/4 ICALE SPAS 80 WEIGHT 20ff ENGINE QUADRA 1/3 SCALE SPAN 106 WEIGHT 28ff ENGINE QUADRA SEMI KiTS CONTAIN SAWED AND SANDED FORRERS WALL WING RIDS TIDS RUDDER MID STAB OUTLINDS SIZE PLAWI COMPLETE KITS CONTAIN THE ABOVE PARIS ALL PINE AND BAlSA STRIP WOOD WARE SEND *1 00 FOR OUR COMPLETE CAYALOG PHONE 419 599-2121 116 Model Aviation US Scale IWasteis East Coast Scale Masters Qualifier OGES RADIO CQN1 nowle Maryland June 12-13 1982 Stand-Off Scale Giant Scale Registration 830 1000 Superb Paved FlyingSlte Camping Field Excellent PrIzes Tom nayne CD 301 627-5118 17102 Earlham Ct Upper Marlboro MD 20772 good contrast see blade needs adjustment Hope smooths things out 5O/ $535 10% $605 15% $670 0. 4fl 2-426 3-513 4-630 5-759 6-946 7-1140 8- 1376
