CONTROL LINE AEROBATICS IN FINE-TUNING beautiful creations have discussed features engines props balance etc major factors havent featured direct connection airplane pilot flying lines time Im going limit discussion trimming aspect selection actual material solids cable diameters etc What going explore relationships what lines First lets look line length varying length affects airplane Varying length changes lap time obviously Shortening line length reduces distance therefore lap time other factors held constant ballpark number foot changes one-tenth second example have airplane flying 55-second laps cut foot off lines can reasonably expect new time 54 seconds vary line length simple question relationships theres word again must understood before correct decisions can made situation ideal situation would employ longest lines possible rules 70 feet rules describe maneuvers line angles lower altitude Australias Ned Corney sent photo last three years efforts Enya 45 power pipes Brian Eather vertical longer line would permit larger maneuvers would remain within rules answer airplanes ideal compromises usually necessary Theres also matter want airplane feel look questions must answer matters taste preference trend trimming fly center gravity CG more-rearward position relative years past has effect stick pressure turn airplane line tension just cant have heavy line tension some prefer rear CG affects what line length can reasonably carry can accept reduced tension carry what can reasonably tolerate maintain up-top allweather performance Another factor equation look airplane goes through pattern get locked-in look may need trade off length going individual setting because differs different airplanes havent mentioned engine/airplane combination realistic takes quite airplane carry 70-foot lines solids cable Usually its going piped airplane big 60 model Lines develop drag increases length diameter squared Most airplanes currently flying 66-68 feet line few 70-foot lines principle smaller airplanes exactly same except because reduced horsepower simply wont pull extra drag long 65-foot-plus lines Generally 35-size airplane/engine combinations settle out line length 59-62 feet point want focus now same smaller airplanes heavy iron Most airplanes have happy zone line length fly comfortably mean speed airplane sufficient generate correct lift maneuvers airplane does speed up maneuvers airplane crowded the book-size maneuvers Another factor line tension its also overlay other factors can have airplane properly trimmed certain places pattern just wont hang Out will destroy shapes Shortening lines little six inches can suppress tendency start out new airplane personal choice usually will start very near longest length think airplane will carry safely evaluate airplane flies accepts certain trimming adjustments its got good tension throughout pattern Ill work everything else until get back lines However always ask myself have settled correct line length before complete making up sets lines contest season final thought arriving appropriate line length involves speed airplane engine may situations have carry aircraft speed heavy October1996 119 Larry Shoemake Springfield MO Sig Banshee model modified detailed Stunt News San Diegos Bob Brooks tunes Ed Southwick Lark Monkey Field Model finished Sig dope MonoKote Sam Sciorrottas beautiful King Cobra classic I-beam construction 66-ounce model powered ST 60 Quality ARF Kits Made USA ORBITER-2 Breaks Glass Ceiling Wins HLG 95 Nats nhanced flown glory Steve Cameron A- Span ing Area in2 Flying Wt z 2 servos rons md & elevator basic radio works fine Airfoil 1 Fuselage a pod CF boom wi removable tail feathers articulated wing spar system can take launch can give Orbiter-2 clunba right up through everything else air floats nothing Happily can now fly tue 1995 Nats winning HLG $7500 wood can built 25 hours requiring no exotic equipment iwo-piece wing option ia $10 extra allowing have Nats Winning HL perfomance & fun anywhere anytime Also see 72 Pivot $85 7 Wee-gilante $165 100 V-gilante $175 121 Saber $275 132 Anthem $250 pre-sheeted 132 Windsong Classic $430 airplane dropping out corners example case may elect lengthen lines fly same lap speed increase aircraft velocity have space maintain/retain speed cornering shapes point rpm engine comes play because may want spin up pull power also may want lower prop pitch maintain same aircraft speed . gets bit snvolved sure fun New Products wonderful things about time live always new exciting products discuss experience time going look some new engines related products history American modeling has very big chapter under K&B name its really good see new 40 will extremely interesting Stunt commumty 4050 model refinement old 4011 version special worked very well Les McDonald lightweight front end has replaced considerably beefedup version houses twin ball bearings Also interest high-performance bearings plastic retainers K&B fabricates design true ABC chromed liner flat-top high-silicon-content aluminum piston porting scheme somewhat unusual first mistook configuration pure Perry Port design its Typically Perry Ports Siamese angled direct fuel flow across piston Wiesnewski-style augmenter ports circular shape plunge cut square liner bore opposed Perry design angles severely relative bore Wiesnewski design builds earlier porting work opened standard intake ports radially purpose porting facilitate strong deep fourcycle fits style flying moderately priced engine can purchased through the discount mall-order houses Check out next engine comes established high-performance engine builder Dub Jett Dubb collaborating George Aldrich produce tuned-pipe 50 engine variant highly successful Jett line timed specifically tuned-pipe 120 Model Aviation Twin Sukhoi Sport ARF Wing Span 675 ne Two 40-46 2c Wing Area676 sq inTwo 48-60 4c Sukhoi-40 Scale ARF PACIFIC EROMODEL INC 15437 PROCTOR AVE CITY OF INDUSTRY CA 91745 OIWER 8007800100 4ice 818961-6199 Fax 818 330-9351 Demo video Fbexlao Cowl Spare Pats Available Wing Span 545 ne 40-46 2c Wing Area520 in.48-60 4e JL-3 10 40 Size ARE Trainer WEST OnANO EPOXY Custom blend batch meet specific application Resin Four Hardeners Seven Fillers THE SOLID SOLUTION Send $5 Product Guide Technical Manual CST Price List Sale Announcement hgIII Eu Composite Structures Technology P0 Box 642 Dept JM Tehachapi CA 93581 Order Desk 1-800-338-1278 Technical Information 1 -8-822-41 62 Wing Span 63 Engine 40-46 20 Wing Area725 sq in.48-60 4c r E-Z BILT WWII Pedal Planes I.I will have much fun building 3-6 year old will have flying Kit includes full size j patterns complete instructions color photo list ready made parts included Kits $2000 total Specify plan wanted Kits available - P-38 Available soon P-51 er DR-i Flight Line Toys ox 3484 Springfield MO 65808 FOUR SCALE CATALOGS SPPS 160Supersce ConsIncton Plans$500 SPPS 120000 Documentation Phot 3Vs$500 ASP Model Airriaft Comtaicon Plans $500 ASPSca]eAJrcraftDrawngs3Vs$500 WACO YMF-51 1/4 Scale 90 Plans $3500 _ VisMC Jim Pepinos SCALE PLANS & PHOTO SERVICE 3209 Madison Ave -Greensboro NC 27403 PHONE/FAX 910 292-5239 Precision Aerobatics application engine features lightweight AAC configuration aluminum chromed sleeve aluminum piston Its overall weight right 11 ounces craftsmanship materials meet highest standards currently two prototypes field test evaluation Bill Werwage working has realizing excellent flight performance later columns Ill reporting own flight testing engines will available complete Stunt packages manifold Stunt venture George Aldrich 12822 Tarrytown San Antonio TX 78233 Tel 210 656-2021 still partial Fox 35 reminder ABC drop-in conversion cylinderslpiston assemblies reports field 100 show very successful change engine lighter exhibits less vibration slight power increase course ABC setup extremely tolerant hard runs will maintain sweet spot significantly longer standard setup Contact George Aldrich details Running modem engines requires monitoring carefully way good stable accurate tachometer Over years Ive just about tachometer thats come market Some have better others Roy Al tachometer years ago probably best early tachometer However analog required interpretation meter scale did have twolthree-blade conversion switch Later tachometers worked satisfactorily seemed became erratic have decreased sensitivity Recently other publications such Stunt News new tachometer Prop-Tach Plus mentioned very positively purchased have using six months really like reads tow-light conditions very stable due circuit design crystalcontrolled oscillator Its accurate five parts per million Tony Criscimagna retired IBM electronics engineer designer unit sells through TNC Electronics 2 Whites Lane Woodstock NY 12498 Tel 914 679-8549 Its price $80 plus $5 shipping OWEN LESS HIISSLE MORE NIH Dieselize Davis Diesel Its Awesome tjs~ 4CNNO DAVIS MODeL PRODUCTS WIRE BENDER BENDS AND FORMS WiRE AND STRIPS OF METAL IN ANGLES CURVES LOOPS EEC No WBI 00- 400 P0 Box 141 Dept MA ord CT 06460 877For o complete inormotion pocket send $400 credit applied first orderl NEEDLE FILE SET PLASTIC HANDLE 00TH EACH FILE GREAT ON WOOD PLASliC METAL INDUSTRIAL DUALITY - -IEAW 0/STY 12 DIFFERENT SHAPES SQUARE PUNCH SET NFSIOO -4 LONG- $500 CUTS SOUARES AND SLOTS SET INCLUDES SIZES NFS1O1 -5 LONG $500 1/B 3/16 114 5/163/B NFS1O2 6 LONG -$800 AAOE FROM MOKEL El ATOll SPOt No SPS5 $1200 bnurrno 3 PS MINATURE WIRE BRUSH SET ONE EACH BRASS NYLON STAINLESS MWB3 $300 T-PINS 1 1/4 100 PACK MADE IN USA TP1 4 s9-nn ZONA SAWS 15042 TEETH 3/4$230 20032 TEETH 3/4230 250MmRE BOX250 450L LONG & SHOI BLADE 260 500 ZONA HAKA 1 1/4 270 600 JUNIOR HACKSAW 165 MADE IN USA DRILL SETS FIRST QUALITY HIGH SPEED STEEL ALL BETS BUPPUED IN CASE OSES-TITEIov4 /113W14 400 DST611/T6toT/24 59 P0K- 1655 DS1E2-A TO Z oI- 2360 MOST POPULAR DS1B3-No1 toBO B0pca516BE 08164-Noel BO20p0S8Oc DREMEL 3950 TOP OF THE LINE MOTO POWER TOOL SET INCLUDES 40 ACCESSORIES AND CAGE No 3950 -$7000 EPOXY BRUSHES MADE IN U SA 12/PACK NoEBT2-$10O Doz No EB144 -$&00 Gross PIN VISE STAINLESS STEEL S TO 116 CAP PV4 -4 LSnS -$400 PV0 -6 LOng 000 PVTS-10Lvng- BEG PV1S-15Lsng 1000 PV614- OlD 114 Cwpaclty$60O TUBE CUlTER 1/5 TO 5/5 CAPACITY HEAVY DUTY MADE FROM SEMI-STEEL No TOSS -$400 HOBBY KNIFE BLADES No11 MADE IN USA 155 PACK $650 SINGLE EDGE BLADES MADE IN USA FIRST QUALITY NO 5100 PACK NoSEB1O2 $450 HEAVY DUTY NO iT FIRST QUALITY 100 PACK SEBlOl $8uu Z PLIERS MAKES PERFECT 2 BENDS WITH SQUEEZE No ZPL $1100 LONG DRILLS-SET---- FIRST QUALITY- HIGH SPEED STEEL 12 LONG18 LONGg 1/161/8 LOl1/16$450LG6 3/16 $1500 5132 3/161/41 LG21/6450LG7 7/32 15001 12 LONG LG35/32450LG8 1/4 1500 LG9 $2100 LG43/16450 LGS1/4550 EASTERN TOOL&SUPPLYCO 149 GRAND STREET NEW YORK NY 10013 CATALOG FREE WITH ORDER WRITE FOR CATALOG 1 COO ADS 5955 DROERS21212$ 10KB OFFICE2122263749 FAX212G5-ISIO CUlTING MATS HEALS ITSELF AFTER EACH CUT ANO SURFACE STAYS SMOOTH NONGLARE GREEN FINISH CUT ON BOTH SIDES NoCMB 9 x12 $1000 NoCM12 12x18 1500 HELPING HAND FIRST QUALITY THREE ARMS 2 ARMS WITH ALLIGATOR CLIPS 1 ARM WITH OX GLASS 2 1/2 MAGNIFIER HH1 -$700 CHOP SAW MAKES PERFECT MITRE CUTS 30 45 60 IN WOOD OR PLASTIC USES SINGLE EOOE BLADE STOP NCS -$1450 T-BAR RNUtMO ALUMINUM- MADE IN USA Til 11 LONG $250 TOO 22 LONG $350 SANDPAPER RUFETUFFI AOHESIVE SACK $105 064 ISFECIFYFINEIRSF MEDIUM RSM OR COARSY IRSC1 I ELECTRONIC CALIPER TST INDUSTRIAL QUALITY READS IN INCHES AND METRIC 0 - 0- 155MM EC6 $4800 DIAL UALIEH TST INDUSTRIAL QUALITY 6 100 SINGLE REVOLUTION GRAD IN 001 SATIN CHROME FINISH WITH FITYED CASE DCB 2100 THE BEST IN SCALE NEW PHILIP KENT PLANS Philip Kent has written scale column British magazines years has good scale plans published both British American magazines Philip has decided start plan service own Philips plans available USA Bob Holman Plans Plans printed US reasonably priced Plans have built test flown before offered sale CATALOGS TheBestinScale$4e0 ASP AircraftSS 00 ASP Scale Drawings$500 RCMW Plaits talog$500 VIII Gerwian catalog5300 PLEASE AD S2OOPP Call information credit card orders 909 885 3959 fax 889 9307 BOB HOLMAN PLANS POBOX 741 SAN BERNARDINO CA 92402 also Tipsy Jr 70 Mile Sparrowhawk 04 1/4 scale ASK AaoUT LASE] CUT PARTS October 1996 121 551 Davis Diesel Heads Over 100 models 149 c Weelds largest producer Model Diesel Fuels Triusfonns Tot 25 40 cc 40 60 60 o90 90too 120 Up 50% Power Same Easy Starting No Glow Plugs Runs flvice Long Scale Sound TopT ODInll PAPER MODELS Award wining dIsplay modelE 1101000 quality cardalock IncludeB ossy to ow U InBtTBCtIOOB pisalic prop discs Oh ate ca 110165 Fantaslic B0acaIBmolaId Ia pQ AERONCA C-I 88 SPAN 1/4 SCALE PLANS S2500 POSTAGE
Edition: Model Aviation - 1996/10
Page Numbers: 119, 120, 121
CONTROL LINE AEROBATICS IN FINE-TUNING beautiful creations have discussed features engines props balance etc major factors havent featured direct connection airplane pilot flying lines time Im going limit discussion trimming aspect selection actual material solids cable diameters etc What going explore relationships what lines First lets look line length varying length affects airplane Varying length changes lap time obviously Shortening line length reduces distance therefore lap time other factors held constant ballpark number foot changes one-tenth second example have airplane flying 55-second laps cut foot off lines can reasonably expect new time 54 seconds vary line length simple question relationships theres word again must understood before correct decisions can made situation ideal situation would employ longest lines possible rules 70 feet rules describe maneuvers line angles lower altitude Australias Ned Corney sent photo last three years efforts Enya 45 power pipes Brian Eather vertical longer line would permit larger maneuvers would remain within rules answer airplanes ideal compromises usually necessary Theres also matter want airplane feel look questions must answer matters taste preference trend trimming fly center gravity CG more-rearward position relative years past has effect stick pressure turn airplane line tension just cant have heavy line tension some prefer rear CG affects what line length can reasonably carry can accept reduced tension carry what can reasonably tolerate maintain up-top allweather performance Another factor equation look airplane goes through pattern get locked-in look may need trade off length going individual setting because differs different airplanes havent mentioned engine/airplane combination realistic takes quite airplane carry 70-foot lines solids cable Usually its going piped airplane big 60 model Lines develop drag increases length diameter squared Most airplanes currently flying 66-68 feet line few 70-foot lines principle smaller airplanes exactly same except because reduced horsepower simply wont pull extra drag long 65-foot-plus lines Generally 35-size airplane/engine combinations settle out line length 59-62 feet point want focus now same smaller airplanes heavy iron Most airplanes have happy zone line length fly comfortably mean speed airplane sufficient generate correct lift maneuvers airplane does speed up maneuvers airplane crowded the book-size maneuvers Another factor line tension its also overlay other factors can have airplane properly trimmed certain places pattern just wont hang Out will destroy shapes Shortening lines little six inches can suppress tendency start out new airplane personal choice usually will start very near longest length think airplane will carry safely evaluate airplane flies accepts certain trimming adjustments its got good tension throughout pattern Ill work everything else until get back lines However always ask myself have settled correct line length before complete making up sets lines contest season final thought arriving appropriate line length involves speed airplane engine may situations have carry aircraft speed heavy October1996 119 Larry Shoemake Springfield MO Sig Banshee model modified detailed Stunt News San Diegos Bob Brooks tunes Ed Southwick Lark Monkey Field Model finished Sig dope MonoKote Sam Sciorrottas beautiful King Cobra classic I-beam construction 66-ounce model powered ST 60 Quality ARF Kits Made USA ORBITER-2 Breaks Glass Ceiling Wins HLG 95 Nats nhanced flown glory Steve Cameron A- Span ing Area in2 Flying Wt z 2 servos rons md & elevator basic radio works fine Airfoil 1 Fuselage a pod CF boom wi removable tail feathers articulated wing spar system can take launch can give Orbiter-2 clunba right up through everything else air floats nothing Happily can now fly tue 1995 Nats winning HLG $7500 wood can built 25 hours requiring no exotic equipment iwo-piece wing option ia $10 extra allowing have Nats Winning HL perfomance & fun anywhere anytime Also see 72 Pivot $85 7 Wee-gilante $165 100 V-gilante $175 121 Saber $275 132 Anthem $250 pre-sheeted 132 Windsong Classic $430 airplane dropping out corners example case may elect lengthen lines fly same lap speed increase aircraft velocity have space maintain/retain speed cornering shapes point rpm engine comes play because may want spin up pull power also may want lower prop pitch maintain same aircraft speed . gets bit snvolved sure fun New Products wonderful things about time live always new exciting products discuss experience time going look some new engines related products history American modeling has very big chapter under K&B name its really good see new 40 will extremely interesting Stunt commumty 4050 model refinement old 4011 version special worked very well Les McDonald lightweight front end has replaced considerably beefedup version houses twin ball bearings Also interest high-performance bearings plastic retainers K&B fabricates design true ABC chromed liner flat-top high-silicon-content aluminum piston porting scheme somewhat unusual first mistook configuration pure Perry Port design its Typically Perry Ports Siamese angled direct fuel flow across piston Wiesnewski-style augmenter ports circular shape plunge cut square liner bore opposed Perry design angles severely relative bore Wiesnewski design builds earlier porting work opened standard intake ports radially purpose porting facilitate strong deep fourcycle fits style flying moderately priced engine can purchased through the discount mall-order houses Check out next engine comes established high-performance engine builder Dub Jett Dubb collaborating George Aldrich produce tuned-pipe 50 engine variant highly successful Jett line timed specifically tuned-pipe 120 Model Aviation Twin Sukhoi Sport ARF Wing Span 675 ne Two 40-46 2c Wing Area676 sq inTwo 48-60 4c Sukhoi-40 Scale ARF PACIFIC EROMODEL INC 15437 PROCTOR AVE CITY OF INDUSTRY CA 91745 OIWER 8007800100 4ice 818961-6199 Fax 818 330-9351 Demo video Fbexlao Cowl Spare Pats Available Wing Span 545 ne 40-46 2c Wing Area520 in.48-60 4e JL-3 10 40 Size ARE Trainer WEST OnANO EPOXY Custom blend batch meet specific application Resin Four Hardeners Seven Fillers THE SOLID SOLUTION Send $5 Product Guide Technical Manual CST Price List Sale Announcement hgIII Eu Composite Structures Technology P0 Box 642 Dept JM Tehachapi CA 93581 Order Desk 1-800-338-1278 Technical Information 1 -8-822-41 62 Wing Span 63 Engine 40-46 20 Wing Area725 sq in.48-60 4c r E-Z BILT WWII Pedal Planes I.I will have much fun building 3-6 year old will have flying Kit includes full size j patterns complete instructions color photo list ready made parts included Kits $2000 total Specify plan wanted Kits available - P-38 Available soon P-51 er DR-i Flight Line Toys ox 3484 Springfield MO 65808 FOUR SCALE CATALOGS SPPS 160Supersce ConsIncton Plans$500 SPPS 120000 Documentation Phot 3Vs$500 ASP Model Airriaft Comtaicon Plans $500 ASPSca]eAJrcraftDrawngs3Vs$500 WACO YMF-51 1/4 Scale 90 Plans $3500 _ VisMC Jim Pepinos SCALE PLANS & PHOTO SERVICE 3209 Madison Ave -Greensboro NC 27403 PHONE/FAX 910 292-5239 Precision Aerobatics application engine features lightweight AAC configuration aluminum chromed sleeve aluminum piston Its overall weight right 11 ounces craftsmanship materials meet highest standards currently two prototypes field test evaluation Bill Werwage working has realizing excellent flight performance later columns Ill reporting own flight testing engines will available complete Stunt packages manifold Stunt venture George Aldrich 12822 Tarrytown San Antonio TX 78233 Tel 210 656-2021 still partial Fox 35 reminder ABC drop-in conversion cylinderslpiston assemblies reports field 100 show very successful change engine lighter exhibits less vibration slight power increase course ABC setup extremely tolerant hard runs will maintain sweet spot significantly longer standard setup Contact George Aldrich details Running modem engines requires monitoring carefully way good stable accurate tachometer Over years Ive just about tachometer thats come market Some have better others Roy Al tachometer years ago probably best early tachometer However analog required interpretation meter scale did have twolthree-blade conversion switch Later tachometers worked satisfactorily seemed became erratic have decreased sensitivity Recently other publications such Stunt News new tachometer Prop-Tach Plus mentioned very positively purchased have using six months really like reads tow-light conditions very stable due circuit design crystalcontrolled oscillator Its accurate five parts per million Tony Criscimagna retired IBM electronics engineer designer unit sells through TNC Electronics 2 Whites Lane Woodstock NY 12498 Tel 914 679-8549 Its price $80 plus $5 shipping OWEN LESS HIISSLE MORE NIH Dieselize Davis Diesel Its Awesome tjs~ 4CNNO DAVIS MODeL PRODUCTS WIRE BENDER BENDS AND FORMS WiRE AND STRIPS OF METAL IN ANGLES CURVES LOOPS EEC No WBI 00- 400 P0 Box 141 Dept MA ord CT 06460 877For o complete inormotion pocket send $400 credit applied first orderl NEEDLE FILE SET PLASTIC HANDLE 00TH EACH FILE GREAT ON WOOD PLASliC METAL INDUSTRIAL DUALITY - -IEAW 0/STY 12 DIFFERENT SHAPES SQUARE PUNCH SET NFSIOO -4 LONG- $500 CUTS SOUARES AND SLOTS SET INCLUDES SIZES NFS1O1 -5 LONG $500 1/B 3/16 114 5/163/B NFS1O2 6 LONG -$800 AAOE FROM MOKEL El ATOll SPOt No SPS5 $1200 bnurrno 3 PS MINATURE WIRE BRUSH SET ONE EACH BRASS NYLON STAINLESS MWB3 $300 T-PINS 1 1/4 100 PACK MADE IN USA TP1 4 s9-nn ZONA SAWS 15042 TEETH 3/4$230 20032 TEETH 3/4230 250MmRE BOX250 450L LONG & SHOI BLADE 260 500 ZONA HAKA 1 1/4 270 600 JUNIOR HACKSAW 165 MADE IN USA DRILL SETS FIRST QUALITY HIGH SPEED STEEL ALL BETS BUPPUED IN CASE OSES-TITEIov4 /113W14 400 DST611/T6toT/24 59 P0K- 1655 DS1E2-A TO Z oI- 2360 MOST POPULAR DS1B3-No1 toBO B0pca516BE 08164-Noel BO20p0S8Oc DREMEL 3950 TOP OF THE LINE MOTO POWER TOOL SET INCLUDES 40 ACCESSORIES AND CAGE No 3950 -$7000 EPOXY BRUSHES MADE IN U SA 12/PACK NoEBT2-$10O Doz No EB144 -$&00 Gross PIN VISE STAINLESS STEEL S TO 116 CAP PV4 -4 LSnS -$400 PV0 -6 LOng 000 PVTS-10Lvng- BEG PV1S-15Lsng 1000 PV614- OlD 114 Cwpaclty$60O TUBE CUlTER 1/5 TO 5/5 CAPACITY HEAVY DUTY MADE FROM SEMI-STEEL No TOSS -$400 HOBBY KNIFE BLADES No11 MADE IN USA 155 PACK $650 SINGLE EDGE BLADES MADE IN USA FIRST QUALITY NO 5100 PACK NoSEB1O2 $450 HEAVY DUTY NO iT FIRST QUALITY 100 PACK SEBlOl $8uu Z PLIERS MAKES PERFECT 2 BENDS WITH SQUEEZE No ZPL $1100 LONG DRILLS-SET---- FIRST QUALITY- HIGH SPEED STEEL 12 LONG18 LONGg 1/161/8 LOl1/16$450LG6 3/16 $1500 5132 3/161/41 LG21/6450LG7 7/32 15001 12 LONG LG35/32450LG8 1/4 1500 LG9 $2100 LG43/16450 LGS1/4550 EASTERN TOOL&SUPPLYCO 149 GRAND STREET NEW YORK NY 10013 CATALOG FREE WITH ORDER WRITE FOR CATALOG 1 COO ADS 5955 DROERS21212$ 10KB OFFICE2122263749 FAX212G5-ISIO CUlTING MATS HEALS ITSELF AFTER EACH CUT ANO SURFACE STAYS SMOOTH NONGLARE GREEN FINISH CUT ON BOTH SIDES NoCMB 9 x12 $1000 NoCM12 12x18 1500 HELPING HAND FIRST QUALITY THREE ARMS 2 ARMS WITH ALLIGATOR CLIPS 1 ARM WITH OX GLASS 2 1/2 MAGNIFIER HH1 -$700 CHOP SAW MAKES PERFECT MITRE CUTS 30 45 60 IN WOOD OR PLASTIC USES SINGLE EOOE BLADE STOP NCS -$1450 T-BAR RNUtMO ALUMINUM- MADE IN USA Til 11 LONG $250 TOO 22 LONG $350 SANDPAPER RUFETUFFI AOHESIVE SACK $105 064 ISFECIFYFINEIRSF MEDIUM RSM OR COARSY IRSC1 I ELECTRONIC CALIPER TST INDUSTRIAL QUALITY READS IN INCHES AND METRIC 0 - 0- 155MM EC6 $4800 DIAL UALIEH TST INDUSTRIAL QUALITY 6 100 SINGLE REVOLUTION GRAD IN 001 SATIN CHROME FINISH WITH FITYED CASE DCB 2100 THE BEST IN SCALE NEW PHILIP KENT PLANS Philip Kent has written scale column British magazines years has good scale plans published both British American magazines Philip has decided start plan service own Philips plans available USA Bob Holman Plans Plans printed US reasonably priced Plans have built test flown before offered sale CATALOGS TheBestinScale$4e0 ASP AircraftSS 00 ASP Scale Drawings$500 RCMW Plaits talog$500 VIII Gerwian catalog5300 PLEASE AD S2OOPP Call information credit card orders 909 885 3959 fax 889 9307 BOB HOLMAN PLANS POBOX 741 SAN BERNARDINO CA 92402 also Tipsy Jr 70 Mile Sparrowhawk 04 1/4 scale ASK AaoUT LASE] CUT PARTS October 1996 121 551 Davis Diesel Heads Over 100 models 149 c Weelds largest producer Model Diesel Fuels Triusfonns Tot 25 40 cc 40 60 60 o90 90too 120 Up 50% Power Same Easy Starting No Glow Plugs Runs flvice Long Scale Sound TopT ODInll PAPER MODELS Award wining dIsplay modelE 1101000 quality cardalock IncludeB ossy to ow U InBtTBCtIOOB pisalic prop discs Oh ate ca 110165 Fantaslic B0acaIBmolaId Ia pQ AERONCA C-I 88 SPAN 1/4 SCALE PLANS S2500 POSTAGE
Edition: Model Aviation - 1996/10
Page Numbers: 119, 120, 121
CONTROL LINE AEROBATICS IN FINE-TUNING beautiful creations have discussed features engines props balance etc major factors havent featured direct connection airplane pilot flying lines time Im going limit discussion trimming aspect selection actual material solids cable diameters etc What going explore relationships what lines First lets look line length varying length affects airplane Varying length changes lap time obviously Shortening line length reduces distance therefore lap time other factors held constant ballpark number foot changes one-tenth second example have airplane flying 55-second laps cut foot off lines can reasonably expect new time 54 seconds vary line length simple question relationships theres word again must understood before correct decisions can made situation ideal situation would employ longest lines possible rules 70 feet rules describe maneuvers line angles lower altitude Australias Ned Corney sent photo last three years efforts Enya 45 power pipes Brian Eather vertical longer line would permit larger maneuvers would remain within rules answer airplanes ideal compromises usually necessary Theres also matter want airplane feel look questions must answer matters taste preference trend trimming fly center gravity CG more-rearward position relative years past has effect stick pressure turn airplane line tension just cant have heavy line tension some prefer rear CG affects what line length can reasonably carry can accept reduced tension carry what can reasonably tolerate maintain up-top allweather performance Another factor equation look airplane goes through pattern get locked-in look may need trade off length going individual setting because differs different airplanes havent mentioned engine/airplane combination realistic takes quite airplane carry 70-foot lines solids cable Usually its going piped airplane big 60 model Lines develop drag increases length diameter squared Most airplanes currently flying 66-68 feet line few 70-foot lines principle smaller airplanes exactly same except because reduced horsepower simply wont pull extra drag long 65-foot-plus lines Generally 35-size airplane/engine combinations settle out line length 59-62 feet point want focus now same smaller airplanes heavy iron Most airplanes have happy zone line length fly comfortably mean speed airplane sufficient generate correct lift maneuvers airplane does speed up maneuvers airplane crowded the book-size maneuvers Another factor line tension its also overlay other factors can have airplane properly trimmed certain places pattern just wont hang Out will destroy shapes Shortening lines little six inches can suppress tendency start out new airplane personal choice usually will start very near longest length think airplane will carry safely evaluate airplane flies accepts certain trimming adjustments its got good tension throughout pattern Ill work everything else until get back lines However always ask myself have settled correct line length before complete making up sets lines contest season final thought arriving appropriate line length involves speed airplane engine may situations have carry aircraft speed heavy October1996 119 Larry Shoemake Springfield MO Sig Banshee model modified detailed Stunt News San Diegos Bob Brooks tunes Ed Southwick Lark Monkey Field Model finished Sig dope MonoKote Sam Sciorrottas beautiful King Cobra classic I-beam construction 66-ounce model powered ST 60 Quality ARF Kits Made USA ORBITER-2 Breaks Glass Ceiling Wins HLG 95 Nats nhanced flown glory Steve Cameron A- Span ing Area in2 Flying Wt z 2 servos rons md & elevator basic radio works fine Airfoil 1 Fuselage a pod CF boom wi removable tail feathers articulated wing spar system can take launch can give Orbiter-2 clunba right up through everything else air floats nothing Happily can now fly tue 1995 Nats winning HLG $7500 wood can built 25 hours requiring no exotic equipment iwo-piece wing option ia $10 extra allowing have Nats Winning HL perfomance & fun anywhere anytime Also see 72 Pivot $85 7 Wee-gilante $165 100 V-gilante $175 121 Saber $275 132 Anthem $250 pre-sheeted 132 Windsong Classic $430 airplane dropping out corners example case may elect lengthen lines fly same lap speed increase aircraft velocity have space maintain/retain speed cornering shapes point rpm engine comes play because may want spin up pull power also may want lower prop pitch maintain same aircraft speed . gets bit snvolved sure fun New Products wonderful things about time live always new exciting products discuss experience time going look some new engines related products history American modeling has very big chapter under K&B name its really good see new 40 will extremely interesting Stunt commumty 4050 model refinement old 4011 version special worked very well Les McDonald lightweight front end has replaced considerably beefedup version houses twin ball bearings Also interest high-performance bearings plastic retainers K&B fabricates design true ABC chromed liner flat-top high-silicon-content aluminum piston porting scheme somewhat unusual first mistook configuration pure Perry Port design its Typically Perry Ports Siamese angled direct fuel flow across piston Wiesnewski-style augmenter ports circular shape plunge cut square liner bore opposed Perry design angles severely relative bore Wiesnewski design builds earlier porting work opened standard intake ports radially purpose porting facilitate strong deep fourcycle fits style flying moderately priced engine can purchased through the discount mall-order houses Check out next engine comes established high-performance engine builder Dub Jett Dubb collaborating George Aldrich produce tuned-pipe 50 engine variant highly successful Jett line timed specifically tuned-pipe 120 Model Aviation Twin Sukhoi Sport ARF Wing Span 675 ne Two 40-46 2c Wing Area676 sq inTwo 48-60 4c Sukhoi-40 Scale ARF PACIFIC EROMODEL INC 15437 PROCTOR AVE CITY OF INDUSTRY CA 91745 OIWER 8007800100 4ice 818961-6199 Fax 818 330-9351 Demo video Fbexlao Cowl Spare Pats Available Wing Span 545 ne 40-46 2c Wing Area520 in.48-60 4e JL-3 10 40 Size ARE Trainer WEST OnANO EPOXY Custom blend batch meet specific application Resin Four Hardeners Seven Fillers THE SOLID SOLUTION Send $5 Product Guide Technical Manual CST Price List Sale Announcement hgIII Eu Composite Structures Technology P0 Box 642 Dept JM Tehachapi CA 93581 Order Desk 1-800-338-1278 Technical Information 1 -8-822-41 62 Wing Span 63 Engine 40-46 20 Wing Area725 sq in.48-60 4c r E-Z BILT WWII Pedal Planes I.I will have much fun building 3-6 year old will have flying Kit includes full size j patterns complete instructions color photo list ready made parts included Kits $2000 total Specify plan wanted Kits available - P-38 Available soon P-51 er DR-i Flight Line Toys ox 3484 Springfield MO 65808 FOUR SCALE CATALOGS SPPS 160Supersce ConsIncton Plans$500 SPPS 120000 Documentation Phot 3Vs$500 ASP Model Airriaft Comtaicon Plans $500 ASPSca]eAJrcraftDrawngs3Vs$500 WACO YMF-51 1/4 Scale 90 Plans $3500 _ VisMC Jim Pepinos SCALE PLANS & PHOTO SERVICE 3209 Madison Ave -Greensboro NC 27403 PHONE/FAX 910 292-5239 Precision Aerobatics application engine features lightweight AAC configuration aluminum chromed sleeve aluminum piston Its overall weight right 11 ounces craftsmanship materials meet highest standards currently two prototypes field test evaluation Bill Werwage working has realizing excellent flight performance later columns Ill reporting own flight testing engines will available complete Stunt packages manifold Stunt venture George Aldrich 12822 Tarrytown San Antonio TX 78233 Tel 210 656-2021 still partial Fox 35 reminder ABC drop-in conversion cylinderslpiston assemblies reports field 100 show very successful change engine lighter exhibits less vibration slight power increase course ABC setup extremely tolerant hard runs will maintain sweet spot significantly longer standard setup Contact George Aldrich details Running modem engines requires monitoring carefully way good stable accurate tachometer Over years Ive just about tachometer thats come market Some have better others Roy Al tachometer years ago probably best early tachometer However analog required interpretation meter scale did have twolthree-blade conversion switch Later tachometers worked satisfactorily seemed became erratic have decreased sensitivity Recently other publications such Stunt News new tachometer Prop-Tach Plus mentioned very positively purchased have using six months really like reads tow-light conditions very stable due circuit design crystalcontrolled oscillator Its accurate five parts per million Tony Criscimagna retired IBM electronics engineer designer unit sells through TNC Electronics 2 Whites Lane Woodstock NY 12498 Tel 914 679-8549 Its price $80 plus $5 shipping OWEN LESS HIISSLE MORE NIH Dieselize Davis Diesel Its Awesome tjs~ 4CNNO DAVIS MODeL PRODUCTS WIRE BENDER BENDS AND FORMS WiRE AND STRIPS OF METAL IN ANGLES CURVES LOOPS EEC No WBI 00- 400 P0 Box 141 Dept MA ord CT 06460 877For o complete inormotion pocket send $400 credit applied first orderl NEEDLE FILE SET PLASTIC HANDLE 00TH EACH FILE GREAT ON WOOD PLASliC METAL INDUSTRIAL DUALITY - -IEAW 0/STY 12 DIFFERENT SHAPES SQUARE PUNCH SET NFSIOO -4 LONG- $500 CUTS SOUARES AND SLOTS SET INCLUDES SIZES NFS1O1 -5 LONG $500 1/B 3/16 114 5/163/B NFS1O2 6 LONG -$800 AAOE FROM MOKEL El ATOll SPOt No SPS5 $1200 bnurrno 3 PS MINATURE WIRE BRUSH SET ONE EACH BRASS NYLON STAINLESS MWB3 $300 T-PINS 1 1/4 100 PACK MADE IN USA TP1 4 s9-nn ZONA SAWS 15042 TEETH 3/4$230 20032 TEETH 3/4230 250MmRE BOX250 450L LONG & SHOI BLADE 260 500 ZONA HAKA 1 1/4 270 600 JUNIOR HACKSAW 165 MADE IN USA DRILL SETS FIRST QUALITY HIGH SPEED STEEL ALL BETS BUPPUED IN CASE OSES-TITEIov4 /113W14 400 DST611/T6toT/24 59 P0K- 1655 DS1E2-A TO Z oI- 2360 MOST POPULAR DS1B3-No1 toBO B0pca516BE 08164-Noel BO20p0S8Oc DREMEL 3950 TOP OF THE LINE MOTO POWER TOOL SET INCLUDES 40 ACCESSORIES AND CAGE No 3950 -$7000 EPOXY BRUSHES MADE IN U SA 12/PACK NoEBT2-$10O Doz No EB144 -$&00 Gross PIN VISE STAINLESS STEEL S TO 116 CAP PV4 -4 LSnS -$400 PV0 -6 LOng 000 PVTS-10Lvng- BEG PV1S-15Lsng 1000 PV614- OlD 114 Cwpaclty$60O TUBE CUlTER 1/5 TO 5/5 CAPACITY HEAVY DUTY MADE FROM SEMI-STEEL No TOSS -$400 HOBBY KNIFE BLADES No11 MADE IN USA 155 PACK $650 SINGLE EDGE BLADES MADE IN USA FIRST QUALITY NO 5100 PACK NoSEB1O2 $450 HEAVY DUTY NO iT FIRST QUALITY 100 PACK SEBlOl $8uu Z PLIERS MAKES PERFECT 2 BENDS WITH SQUEEZE No ZPL $1100 LONG DRILLS-SET---- FIRST QUALITY- HIGH SPEED STEEL 12 LONG18 LONGg 1/161/8 LOl1/16$450LG6 3/16 $1500 5132 3/161/41 LG21/6450LG7 7/32 15001 12 LONG LG35/32450LG8 1/4 1500 LG9 $2100 LG43/16450 LGS1/4550 EASTERN TOOL&SUPPLYCO 149 GRAND STREET NEW YORK NY 10013 CATALOG FREE WITH ORDER WRITE FOR CATALOG 1 COO ADS 5955 DROERS21212$ 10KB OFFICE2122263749 FAX212G5-ISIO CUlTING MATS HEALS ITSELF AFTER EACH CUT ANO SURFACE STAYS SMOOTH NONGLARE GREEN FINISH CUT ON BOTH SIDES NoCMB 9 x12 $1000 NoCM12 12x18 1500 HELPING HAND FIRST QUALITY THREE ARMS 2 ARMS WITH ALLIGATOR CLIPS 1 ARM WITH OX GLASS 2 1/2 MAGNIFIER HH1 -$700 CHOP SAW MAKES PERFECT MITRE CUTS 30 45 60 IN WOOD OR PLASTIC USES SINGLE EOOE BLADE STOP NCS -$1450 T-BAR RNUtMO ALUMINUM- MADE IN USA Til 11 LONG $250 TOO 22 LONG $350 SANDPAPER RUFETUFFI AOHESIVE SACK $105 064 ISFECIFYFINEIRSF MEDIUM RSM OR COARSY IRSC1 I ELECTRONIC CALIPER TST INDUSTRIAL QUALITY READS IN INCHES AND METRIC 0 - 0- 155MM EC6 $4800 DIAL UALIEH TST INDUSTRIAL QUALITY 6 100 SINGLE REVOLUTION GRAD IN 001 SATIN CHROME FINISH WITH FITYED CASE DCB 2100 THE BEST IN SCALE NEW PHILIP KENT PLANS Philip Kent has written scale column British magazines years has good scale plans published both British American magazines Philip has decided start plan service own Philips plans available USA Bob Holman Plans Plans printed US reasonably priced Plans have built test flown before offered sale CATALOGS TheBestinScale$4e0 ASP AircraftSS 00 ASP Scale Drawings$500 RCMW Plaits talog$500 VIII Gerwian catalog5300 PLEASE AD S2OOPP Call information credit card orders 909 885 3959 fax 889 9307 BOB HOLMAN PLANS POBOX 741 SAN BERNARDINO CA 92402 also Tipsy Jr 70 Mile Sparrowhawk 04 1/4 scale ASK AaoUT LASE] CUT PARTS October 1996 121 551 Davis Diesel Heads Over 100 models 149 c Weelds largest producer Model Diesel Fuels Triusfonns Tot 25 40 cc 40 60 60 o90 90too 120 Up 50% Power Same Easy Starting No Glow Plugs Runs flvice Long Scale Sound TopT ODInll PAPER MODELS Award wining dIsplay modelE 1101000 quality cardalock IncludeB ossy to ow U InBtTBCtIOOB pisalic prop discs Oh ate ca 110165 Fantaslic B0acaIBmolaId Ia pQ AERONCA C-I 88 SPAN 1/4 SCALE PLANS S2500 POSTAGE