Control Line AEROBA TICS Ted Fancher Contributing Editor Wynn Paul has deciled retire after having written ZL Aerobatics column continuously sinai very first issue Model via tiofl July 1975 Thats very close nine years efforts behalf pro mot ng CL Precision Aerobatics activity ai PAMPA greatly appreciated 1 Model Aviation editorial staff aope modelers get en joyitient participating CL evet will also join giving Wynn rouing Well done efforts Beginning issue Californian Ted Fancher will take over author ship column Ted has active CL Precision Aerobatics quite few years also member 198 US Control Line team CL Wor d Championships months cohlmn first two parts addiess subject design own original Stunt plane art icle vill conclude next month SO YOU WANT big-time Stunt plana designer Youve built share Nobers Chipmonkeys camouflaged Stilktto scratch-built 112 entirely dif feret t Jack Sheeks originals approximately Since Ted Fancher talking about draw plans well design model thought example work would helpful Excitation appeared December 1981 issue Although Joe Demarco traced inked plan publication layout appears ex actly same Teds original drawing available space well usednot cluttered 124% published total youve finally decided anything can can least well us maybe get published Model Aviation become rich author have Stephen King over dinner plus riches galore perhaps name Jim Walker cupif can translate master piece adrift mind reality Designing original Stunt ship requires three fundamental steps First have know what want achieve What dislike about past Stunt ships want eliminate new design want corner stability better tracking perhaps easiest just different appearance Second have decide what need to new ship achieve results step requires either some knowledge Stunt-ship aero dynamics lots experiencebetter yet lot both Third must know translate information plan man ner suitable construction last step obstacle might first apparent lets spend months column draw good set plans First what need way sup plies bare minimum should have good T-squarethe longer better pro vided arm sturdy wont bend useand least triangle better twoa 30/60-degree 45-de gree addition need something draw curves Inexpensive sets ships curves available good office supply art stores handi est Lacking set curves good sub stitute can achieved utilizing piece music wire can held desired position two hands draw ing actual line other third hand will need couple good rulers one-footer yardstick can get rulers decimal divisions rather fractions inches measurements Continued page 169 MA9 new CL Aerobatics Contributing Editor Ted Fancher LI shows off original Celebration design month Tea snaring thoughts 1ow design Stunt plane photo RI shows us drawing board equipment partiallydrawn plan new design boarl Thought often does board look neat Anyone thinking designing models should read Teds commentstheyre helpful May 1984 63 AOJSThdSV SO bTDSY SOAR fWSmTtnS545555 7F- -WINC PLAN 1T --A----Ae S1AA ELEV NII 4550 Technique pulling As other processes certain techniques give bet ter results Once blades properly mounted shims place pass parent strip under blades about foot excess sticking out Push cutting corners blades through rubber wedge Plexiglas Slide strippers movable guide over snugly against rub ber lock down Wedge piece balsa between stripper guide back plane keep rubber flat enters cutting area Anchor stripper solidly loca tion gives about six feet room Pull slowly steadily rubber back ing away stripper until rubber stretched least four feet After reel hand-over-hand still using uniform pull As rubber cuts should move smoothly through blades Make pre liminary cut about two feet long mea sure strips sure have setting like After can probably cut about 50 feet rubber before changing blades last rubber-cutting photos shows closeup rubber after has cut can see edges smooth no major width changes Keep good records Once have sup ply rubber cut will probably make up some motors sure label storage containers both long strips motor giving size source vintage rubber other factor need help decide piece use photo envelopes shows Stan Chil tons storage methodindividual envelopes marked rubber size weight length rating number testing motor really top fliers can come close reproducing good flights time after time keeping good records using formation set up prop/rubber combos new contest Bud Tenny PO Box 545 Richardson TX 75080 CL Aerobatics/Fancher Continued paqe 63 will compatible numbers hand calculator will greatly sim plify transferring airplane design numbers construction drawing items plus some paper pencil eraser youre business soon lady gets dinner dishes off drawing board Things nice have arent essential include drawing board own Mine standard unit office supply store simple metal tube frame board 36 as proven adequate size normal Stunt ship understand Windy Urtnowski has per mission use gym floor local recreation center after basketball practice drawings drafting machine ex tremely helpful rather expensive probably $100 qual ity So unless plan doing lot drawing might choose forego benefits might bor row Bill Fitzgeralds say jest have found lot nice-to-havebut-expensive items help make quality Stunt ships easier achieve can often made financially manageable splitting cost amongst several users Im talking about quality spray equipment drill presses gram scales etc Most such items used occasionally partner conflicts seldom arise ve some thought good compass essential drawing wheels arcs circular bellcranks use circular bellcranks dont set dividers makes repetitive measure ments easier simple protractor will allow accurate measurement several critical gles important successful design Specialty items round out col lection would include erasing mask thin steel template device protects parts drawing allowing areas im mediately adjacent to erased lettering guide make lettering neat uniform sure use minimum A-in height intend have drawing published because will photo graphically reduced magazine size May1984 169 AT-6 SNI HARVARD s good looks ysoudsASE eat Lakes Model Company bedimWelcomePO Box 308 Tawas City MI 48763517 362-6078 2 Ust Price $28500 Factory Direct $22800 Michigan residents add 4% sales All Melor Components Molded Urefluane Foam N K~J LeWGPLASH U tk oebe ts dmpr05 0~d PERFORMANCE CHAMPION RUBBER 34s & / Widths 040 Thick $1295 LB See hobby dealer order direct PPD cHAMPION MODEL PRODUCTS 880 CARMEN COURT LA VERNE CA 91750 714 599-3348 clad5 US delvU aix UPS CaIt residerts add 6% sales tax lettering must still legible soft brush remove eraser residue nice have simply have have good pencil sharpener handy times should using fairly soft pencil about No 2 lead order get lines dark enough reproduction blueprint machine soft pencils should resharpened after few lines Mechanical drafting pencils extendable leads reasonably inexpensive much easier sharpen wooden counterparts last impor tant item good source light either natural artificial Now youve got paper taped drawing board light ruler hand freshly sharpened pencil other Now what First put down pencil put down ruler Before draw have determine two important prerequisites well-drawn nicelyexecuted design what going draw going draw suggest before attempt put design paper graphic form first have paper mathematicallyrepresented form Ive included column copy standard New Design Data Sheet sheet have included parameters feel important either affecting performance com pleted aircraft and/or necessary trans lating numbers construction plan significance parame ters insofar aircraft performance con cerned want deal strictly necessary making drawing now Start wing minimum will have have determined desired span area length root tip chords flap size specifications airfoil terms thick location high point both tip root An additional parameter data sheethut should beis leading edge radius LER Simply put LER circle drawn leading edge airfoil determines relative sharpness bluntness airfoil Lastly should determine planform shape wing ie straight-taper elliptical constant-chord swept forward back etc helpful hint straight-tapered wings straight flap hinge lines easiest build fly best mans opinion whos Now repeat above measurements stab elevator Span area pro portion total area primary concerns Tail thickness still subject jury out personal feel ings have changed preferring rather thick tails belief should thin possible given need structural rigidity Since primary function fuselage simply hold engine keep wing tail proper relationship other few numbers significant long nose going will put wing will put tail Again feel great deal significance what numbers articles purposes Ill leave own opinions save another time Suffice say will have decide parameters before can commit paper Now have good idea what airplane will look like aerodynamically can go back drawing board trans late numbers picture airplane concluded next month Photos comments news about Stunt should addressed Ted Fan cher 158 Flying Cloud Isle Foster City CA 94409 Nit Wit/Murphy Continued oaoe 76 itself bottom spars secured posi tion next ribs turn ce mented securely place locations shown Obviously hold off putting ribs dihedral joints until panels joined Vs sq top spar airfoil high point should cemented place time aid retaining proper alignment ribs panels removed plan easier add 3A2 X /g turbulators rear top spar after panels attached together probably good idea add 6 X 42 diagonal braces 3-FUNCTION ACCUETACH ITM O LCD Tachometer w/dual scale capability lOX lOOX Digital Voltmeter or load /56 checking/cycling TX/RX battery combos ACCU-1Clfl quick @ chargug operation 79 prepaid Nor money order Calif add 6% tax 94086 AVIONI NCSunnyva CA May 1984 171 LEOS LASER *JR STICK World Aerobatic Champion Ideal Trainer Top Quality Epoxy Gloss Pane atstaad,9 lois. & Foam Kt logo Cowl & Wheel Pants ia0 Span Waq Area 1050 .q n iava Laediag Gw Foam Wing90 Span Wing oe Annembly Time Area 1440 sq inches it 5 -12 lb. Balsa Fnsh Ks tagine Si., 75 13 Complete Stop Step In-95 struct ens m th P ctarest7 ght 16 20 lbst$PISHIPPING Lag 2 4 HPDirect Sales Only 9995READYMAR84 PLUS $1 SHIPPINGCap 20 & Cap 21 DirectSales Onifor 60- 12 engines facturers Quality Kits Large Scale Engines RO Un iv Canton OH 44707 Phone 216 4846810 484-4374 Tired Being Shot Down SUPER SERVO GARD Controls Throttle Cant * Constantly monitors receiver interference another trans mitter outside sources instantly reducing throttle idle until interference clears * Constantly monitors flight battery pack voltage instantly reduces throttle idle allowing time safely land * Responds instantly lose radio signal throttling back idle alerting flight problem * Affects throttle giving complete control other servos safe landing * Minimizes crash damage caused signal loss ending full force smash-ups Endorsed IMAAShew Team required shew nsodoi ii v1 SPECIFICATIONS Size KPS 1411 Servo Case Power 17 ma Volt CutOut Point 46 volts Pulse Width Range Adi 0628 milliseconds Systems 3 4 wire Temp Range 00 1400F Weight 12 oz Price $4795 Postpaid Specify connecter type posItIve er negatIve pulse ordering RaFa Enterprises 106 N Main St. Arlington OH 45814 419 365-5066
Edition: Model Aviation - 1984/05
Page Numbers: 63, 169, 171
Control Line AEROBA TICS Ted Fancher Contributing Editor Wynn Paul has deciled retire after having written ZL Aerobatics column continuously sinai very first issue Model via tiofl July 1975 Thats very close nine years efforts behalf pro mot ng CL Precision Aerobatics activity ai PAMPA greatly appreciated 1 Model Aviation editorial staff aope modelers get en joyitient participating CL evet will also join giving Wynn rouing Well done efforts Beginning issue Californian Ted Fancher will take over author ship column Ted has active CL Precision Aerobatics quite few years also member 198 US Control Line team CL Wor d Championships months cohlmn first two parts addiess subject design own original Stunt plane art icle vill conclude next month SO YOU WANT big-time Stunt plana designer Youve built share Nobers Chipmonkeys camouflaged Stilktto scratch-built 112 entirely dif feret t Jack Sheeks originals approximately Since Ted Fancher talking about draw plans well design model thought example work would helpful Excitation appeared December 1981 issue Although Joe Demarco traced inked plan publication layout appears ex actly same Teds original drawing available space well usednot cluttered 124% published total youve finally decided anything can can least well us maybe get published Model Aviation become rich author have Stephen King over dinner plus riches galore perhaps name Jim Walker cupif can translate master piece adrift mind reality Designing original Stunt ship requires three fundamental steps First have know what want achieve What dislike about past Stunt ships want eliminate new design want corner stability better tracking perhaps easiest just different appearance Second have decide what need to new ship achieve results step requires either some knowledge Stunt-ship aero dynamics lots experiencebetter yet lot both Third must know translate information plan man ner suitable construction last step obstacle might first apparent lets spend months column draw good set plans First what need way sup plies bare minimum should have good T-squarethe longer better pro vided arm sturdy wont bend useand least triangle better twoa 30/60-degree 45-de gree addition need something draw curves Inexpensive sets ships curves available good office supply art stores handi est Lacking set curves good sub stitute can achieved utilizing piece music wire can held desired position two hands draw ing actual line other third hand will need couple good rulers one-footer yardstick can get rulers decimal divisions rather fractions inches measurements Continued page 169 MA9 new CL Aerobatics Contributing Editor Ted Fancher LI shows off original Celebration design month Tea snaring thoughts 1ow design Stunt plane photo RI shows us drawing board equipment partiallydrawn plan new design boarl Thought often does board look neat Anyone thinking designing models should read Teds commentstheyre helpful May 1984 63 AOJSThdSV SO bTDSY SOAR fWSmTtnS545555 7F- -WINC PLAN 1T --A----Ae S1AA ELEV NII 4550 Technique pulling As other processes certain techniques give bet ter results Once blades properly mounted shims place pass parent strip under blades about foot excess sticking out Push cutting corners blades through rubber wedge Plexiglas Slide strippers movable guide over snugly against rub ber lock down Wedge piece balsa between stripper guide back plane keep rubber flat enters cutting area Anchor stripper solidly loca tion gives about six feet room Pull slowly steadily rubber back ing away stripper until rubber stretched least four feet After reel hand-over-hand still using uniform pull As rubber cuts should move smoothly through blades Make pre liminary cut about two feet long mea sure strips sure have setting like After can probably cut about 50 feet rubber before changing blades last rubber-cutting photos shows closeup rubber after has cut can see edges smooth no major width changes Keep good records Once have sup ply rubber cut will probably make up some motors sure label storage containers both long strips motor giving size source vintage rubber other factor need help decide piece use photo envelopes shows Stan Chil tons storage methodindividual envelopes marked rubber size weight length rating number testing motor really top fliers can come close reproducing good flights time after time keeping good records using formation set up prop/rubber combos new contest Bud Tenny PO Box 545 Richardson TX 75080 CL Aerobatics/Fancher Continued paqe 63 will compatible numbers hand calculator will greatly sim plify transferring airplane design numbers construction drawing items plus some paper pencil eraser youre business soon lady gets dinner dishes off drawing board Things nice have arent essential include drawing board own Mine standard unit office supply store simple metal tube frame board 36 as proven adequate size normal Stunt ship understand Windy Urtnowski has per mission use gym floor local recreation center after basketball practice drawings drafting machine ex tremely helpful rather expensive probably $100 qual ity So unless plan doing lot drawing might choose forego benefits might bor row Bill Fitzgeralds say jest have found lot nice-to-havebut-expensive items help make quality Stunt ships easier achieve can often made financially manageable splitting cost amongst several users Im talking about quality spray equipment drill presses gram scales etc Most such items used occasionally partner conflicts seldom arise ve some thought good compass essential drawing wheels arcs circular bellcranks use circular bellcranks dont set dividers makes repetitive measure ments easier simple protractor will allow accurate measurement several critical gles important successful design Specialty items round out col lection would include erasing mask thin steel template device protects parts drawing allowing areas im mediately adjacent to erased lettering guide make lettering neat uniform sure use minimum A-in height intend have drawing published because will photo graphically reduced magazine size May1984 169 AT-6 SNI HARVARD s good looks ysoudsASE eat Lakes Model Company bedimWelcomePO Box 308 Tawas City MI 48763517 362-6078 2 Ust Price $28500 Factory Direct $22800 Michigan residents add 4% sales All Melor Components Molded Urefluane Foam N K~J LeWGPLASH U tk oebe ts dmpr05 0~d PERFORMANCE CHAMPION RUBBER 34s & / Widths 040 Thick $1295 LB See hobby dealer order direct PPD cHAMPION MODEL PRODUCTS 880 CARMEN COURT LA VERNE CA 91750 714 599-3348 clad5 US delvU aix UPS CaIt residerts add 6% sales tax lettering must still legible soft brush remove eraser residue nice have simply have have good pencil sharpener handy times should using fairly soft pencil about No 2 lead order get lines dark enough reproduction blueprint machine soft pencils should resharpened after few lines Mechanical drafting pencils extendable leads reasonably inexpensive much easier sharpen wooden counterparts last impor tant item good source light either natural artificial Now youve got paper taped drawing board light ruler hand freshly sharpened pencil other Now what First put down pencil put down ruler Before draw have determine two important prerequisites well-drawn nicelyexecuted design what going draw going draw suggest before attempt put design paper graphic form first have paper mathematicallyrepresented form Ive included column copy standard New Design Data Sheet sheet have included parameters feel important either affecting performance com pleted aircraft and/or necessary trans lating numbers construction plan significance parame ters insofar aircraft performance con cerned want deal strictly necessary making drawing now Start wing minimum will have have determined desired span area length root tip chords flap size specifications airfoil terms thick location high point both tip root An additional parameter data sheethut should beis leading edge radius LER Simply put LER circle drawn leading edge airfoil determines relative sharpness bluntness airfoil Lastly should determine planform shape wing ie straight-taper elliptical constant-chord swept forward back etc helpful hint straight-tapered wings straight flap hinge lines easiest build fly best mans opinion whos Now repeat above measurements stab elevator Span area pro portion total area primary concerns Tail thickness still subject jury out personal feel ings have changed preferring rather thick tails belief should thin possible given need structural rigidity Since primary function fuselage simply hold engine keep wing tail proper relationship other few numbers significant long nose going will put wing will put tail Again feel great deal significance what numbers articles purposes Ill leave own opinions save another time Suffice say will have decide parameters before can commit paper Now have good idea what airplane will look like aerodynamically can go back drawing board trans late numbers picture airplane concluded next month Photos comments news about Stunt should addressed Ted Fan cher 158 Flying Cloud Isle Foster City CA 94409 Nit Wit/Murphy Continued oaoe 76 itself bottom spars secured posi tion next ribs turn ce mented securely place locations shown Obviously hold off putting ribs dihedral joints until panels joined Vs sq top spar airfoil high point should cemented place time aid retaining proper alignment ribs panels removed plan easier add 3A2 X /g turbulators rear top spar after panels attached together probably good idea add 6 X 42 diagonal braces 3-FUNCTION ACCUETACH ITM O LCD Tachometer w/dual scale capability lOX lOOX Digital Voltmeter or load /56 checking/cycling TX/RX battery combos ACCU-1Clfl quick @ chargug operation 79 prepaid Nor money order Calif add 6% tax 94086 AVIONI NCSunnyva CA May 1984 171 LEOS LASER *JR STICK World Aerobatic Champion Ideal Trainer Top Quality Epoxy Gloss Pane atstaad,9 lois. & Foam Kt logo Cowl & Wheel Pants ia0 Span Waq Area 1050 .q n iava Laediag Gw Foam Wing90 Span Wing oe Annembly Time Area 1440 sq inches it 5 -12 lb. Balsa Fnsh Ks tagine Si., 75 13 Complete Stop Step In-95 struct ens m th P ctarest7 ght 16 20 lbst$PISHIPPING Lag 2 4 HPDirect Sales Only 9995READYMAR84 PLUS $1 SHIPPINGCap 20 & Cap 21 DirectSales Onifor 60- 12 engines facturers Quality Kits Large Scale Engines RO Un iv Canton OH 44707 Phone 216 4846810 484-4374 Tired Being Shot Down SUPER SERVO GARD Controls Throttle Cant * Constantly monitors receiver interference another trans mitter outside sources instantly reducing throttle idle until interference clears * Constantly monitors flight battery pack voltage instantly reduces throttle idle allowing time safely land * Responds instantly lose radio signal throttling back idle alerting flight problem * Affects throttle giving complete control other servos safe landing * Minimizes crash damage caused signal loss ending full force smash-ups Endorsed IMAAShew Team required shew nsodoi ii v1 SPECIFICATIONS Size KPS 1411 Servo Case Power 17 ma Volt CutOut Point 46 volts Pulse Width Range Adi 0628 milliseconds Systems 3 4 wire Temp Range 00 1400F Weight 12 oz Price $4795 Postpaid Specify connecter type posItIve er negatIve pulse ordering RaFa Enterprises 106 N Main St. Arlington OH 45814 419 365-5066
Edition: Model Aviation - 1984/05
Page Numbers: 63, 169, 171
Control Line AEROBA TICS Ted Fancher Contributing Editor Wynn Paul has deciled retire after having written ZL Aerobatics column continuously sinai very first issue Model via tiofl July 1975 Thats very close nine years efforts behalf pro mot ng CL Precision Aerobatics activity ai PAMPA greatly appreciated 1 Model Aviation editorial staff aope modelers get en joyitient participating CL evet will also join giving Wynn rouing Well done efforts Beginning issue Californian Ted Fancher will take over author ship column Ted has active CL Precision Aerobatics quite few years also member 198 US Control Line team CL Wor d Championships months cohlmn first two parts addiess subject design own original Stunt plane art icle vill conclude next month SO YOU WANT big-time Stunt plana designer Youve built share Nobers Chipmonkeys camouflaged Stilktto scratch-built 112 entirely dif feret t Jack Sheeks originals approximately Since Ted Fancher talking about draw plans well design model thought example work would helpful Excitation appeared December 1981 issue Although Joe Demarco traced inked plan publication layout appears ex actly same Teds original drawing available space well usednot cluttered 124% published total youve finally decided anything can can least well us maybe get published Model Aviation become rich author have Stephen King over dinner plus riches galore perhaps name Jim Walker cupif can translate master piece adrift mind reality Designing original Stunt ship requires three fundamental steps First have know what want achieve What dislike about past Stunt ships want eliminate new design want corner stability better tracking perhaps easiest just different appearance Second have decide what need to new ship achieve results step requires either some knowledge Stunt-ship aero dynamics lots experiencebetter yet lot both Third must know translate information plan man ner suitable construction last step obstacle might first apparent lets spend months column draw good set plans First what need way sup plies bare minimum should have good T-squarethe longer better pro vided arm sturdy wont bend useand least triangle better twoa 30/60-degree 45-de gree addition need something draw curves Inexpensive sets ships curves available good office supply art stores handi est Lacking set curves good sub stitute can achieved utilizing piece music wire can held desired position two hands draw ing actual line other third hand will need couple good rulers one-footer yardstick can get rulers decimal divisions rather fractions inches measurements Continued page 169 MA9 new CL Aerobatics Contributing Editor Ted Fancher LI shows off original Celebration design month Tea snaring thoughts 1ow design Stunt plane photo RI shows us drawing board equipment partiallydrawn plan new design boarl Thought often does board look neat Anyone thinking designing models should read Teds commentstheyre helpful May 1984 63 AOJSThdSV SO bTDSY SOAR fWSmTtnS545555 7F- -WINC PLAN 1T --A----Ae S1AA ELEV NII 4550 Technique pulling As other processes certain techniques give bet ter results Once blades properly mounted shims place pass parent strip under blades about foot excess sticking out Push cutting corners blades through rubber wedge Plexiglas Slide strippers movable guide over snugly against rub ber lock down Wedge piece balsa between stripper guide back plane keep rubber flat enters cutting area Anchor stripper solidly loca tion gives about six feet room Pull slowly steadily rubber back ing away stripper until rubber stretched least four feet After reel hand-over-hand still using uniform pull As rubber cuts should move smoothly through blades Make pre liminary cut about two feet long mea sure strips sure have setting like After can probably cut about 50 feet rubber before changing blades last rubber-cutting photos shows closeup rubber after has cut can see edges smooth no major width changes Keep good records Once have sup ply rubber cut will probably make up some motors sure label storage containers both long strips motor giving size source vintage rubber other factor need help decide piece use photo envelopes shows Stan Chil tons storage methodindividual envelopes marked rubber size weight length rating number testing motor really top fliers can come close reproducing good flights time after time keeping good records using formation set up prop/rubber combos new contest Bud Tenny PO Box 545 Richardson TX 75080 CL Aerobatics/Fancher Continued paqe 63 will compatible numbers hand calculator will greatly sim plify transferring airplane design numbers construction drawing items plus some paper pencil eraser youre business soon lady gets dinner dishes off drawing board Things nice have arent essential include drawing board own Mine standard unit office supply store simple metal tube frame board 36 as proven adequate size normal Stunt ship understand Windy Urtnowski has per mission use gym floor local recreation center after basketball practice drawings drafting machine ex tremely helpful rather expensive probably $100 qual ity So unless plan doing lot drawing might choose forego benefits might bor row Bill Fitzgeralds say jest have found lot nice-to-havebut-expensive items help make quality Stunt ships easier achieve can often made financially manageable splitting cost amongst several users Im talking about quality spray equipment drill presses gram scales etc Most such items used occasionally partner conflicts seldom arise ve some thought good compass essential drawing wheels arcs circular bellcranks use circular bellcranks dont set dividers makes repetitive measure ments easier simple protractor will allow accurate measurement several critical gles important successful design Specialty items round out col lection would include erasing mask thin steel template device protects parts drawing allowing areas im mediately adjacent to erased lettering guide make lettering neat uniform sure use minimum A-in height intend have drawing published because will photo graphically reduced magazine size May1984 169 AT-6 SNI HARVARD s good looks ysoudsASE eat Lakes Model Company bedimWelcomePO Box 308 Tawas City MI 48763517 362-6078 2 Ust Price $28500 Factory Direct $22800 Michigan residents add 4% sales All Melor Components Molded Urefluane Foam N K~J LeWGPLASH U tk oebe ts dmpr05 0~d PERFORMANCE CHAMPION RUBBER 34s & / Widths 040 Thick $1295 LB See hobby dealer order direct PPD cHAMPION MODEL PRODUCTS 880 CARMEN COURT LA VERNE CA 91750 714 599-3348 clad5 US delvU aix UPS CaIt residerts add 6% sales tax lettering must still legible soft brush remove eraser residue nice have simply have have good pencil sharpener handy times should using fairly soft pencil about No 2 lead order get lines dark enough reproduction blueprint machine soft pencils should resharpened after few lines Mechanical drafting pencils extendable leads reasonably inexpensive much easier sharpen wooden counterparts last impor tant item good source light either natural artificial Now youve got paper taped drawing board light ruler hand freshly sharpened pencil other Now what First put down pencil put down ruler Before draw have determine two important prerequisites well-drawn nicelyexecuted design what going draw going draw suggest before attempt put design paper graphic form first have paper mathematicallyrepresented form Ive included column copy standard New Design Data Sheet sheet have included parameters feel important either affecting performance com pleted aircraft and/or necessary trans lating numbers construction plan significance parame ters insofar aircraft performance con cerned want deal strictly necessary making drawing now Start wing minimum will have have determined desired span area length root tip chords flap size specifications airfoil terms thick location high point both tip root An additional parameter data sheethut should beis leading edge radius LER Simply put LER circle drawn leading edge airfoil determines relative sharpness bluntness airfoil Lastly should determine planform shape wing ie straight-taper elliptical constant-chord swept forward back etc helpful hint straight-tapered wings straight flap hinge lines easiest build fly best mans opinion whos Now repeat above measurements stab elevator Span area pro portion total area primary concerns Tail thickness still subject jury out personal feel ings have changed preferring rather thick tails belief should thin possible given need structural rigidity Since primary function fuselage simply hold engine keep wing tail proper relationship other few numbers significant long nose going will put wing will put tail Again feel great deal significance what numbers articles purposes Ill leave own opinions save another time Suffice say will have decide parameters before can commit paper Now have good idea what airplane will look like aerodynamically can go back drawing board trans late numbers picture airplane concluded next month Photos comments news about Stunt should addressed Ted Fan cher 158 Flying Cloud Isle Foster City CA 94409 Nit Wit/Murphy Continued oaoe 76 itself bottom spars secured posi tion next ribs turn ce mented securely place locations shown Obviously hold off putting ribs dihedral joints until panels joined Vs sq top spar airfoil high point should cemented place time aid retaining proper alignment ribs panels removed plan easier add 3A2 X /g turbulators rear top spar after panels attached together probably good idea add 6 X 42 diagonal braces 3-FUNCTION ACCUETACH ITM O LCD Tachometer w/dual scale capability lOX lOOX Digital Voltmeter or load /56 checking/cycling TX/RX battery combos ACCU-1Clfl quick @ chargug operation 79 prepaid Nor money order Calif add 6% tax 94086 AVIONI NCSunnyva CA May 1984 171 LEOS LASER *JR STICK World Aerobatic Champion Ideal Trainer Top Quality Epoxy Gloss Pane atstaad,9 lois. & Foam Kt logo Cowl & Wheel Pants ia0 Span Waq Area 1050 .q n iava Laediag Gw Foam Wing90 Span Wing oe Annembly Time Area 1440 sq inches it 5 -12 lb. Balsa Fnsh Ks tagine Si., 75 13 Complete Stop Step In-95 struct ens m th P ctarest7 ght 16 20 lbst$PISHIPPING Lag 2 4 HPDirect Sales Only 9995READYMAR84 PLUS $1 SHIPPINGCap 20 & Cap 21 DirectSales Onifor 60- 12 engines facturers Quality Kits Large Scale Engines RO Un iv Canton OH 44707 Phone 216 4846810 484-4374 Tired Being Shot Down SUPER SERVO GARD Controls Throttle Cant * Constantly monitors receiver interference another trans mitter outside sources instantly reducing throttle idle until interference clears * Constantly monitors flight battery pack voltage instantly reduces throttle idle allowing time safely land * Responds instantly lose radio signal throttling back idle alerting flight problem * Affects throttle giving complete control other servos safe landing * Minimizes crash damage caused signal loss ending full force smash-ups Endorsed IMAAShew Team required shew nsodoi ii v1 SPECIFICATIONS Size KPS 1411 Servo Case Power 17 ma Volt CutOut Point 46 volts Pulse Width Range Adi 0628 milliseconds Systems 3 4 wire Temp Range 00 1400F Weight 12 oz Price $4795 Postpaid Specify connecter type posItIve er negatIve pulse ordering RaFa Enterprises 106 N Main St. Arlington OH 45814 419 365-5066