PICTURE scene Pattern contest has conducted four rounds Contest Direc tor being sure contestants equally ex posed judges just before fifth round starts discovered contestant during fifth sixth rounds judging ar rangement will provide equal exposure judges contestant can demand either judging arrangement changed guarantee equal exposure contest decided based four rounds equal exposure Right must realize wouldnt have set up way did answer Yes Actually answer no contestants have right equal exposure judges Before begin howl lets check out 1988/89 AMA Compe tition Regulations rule book official part rules RC Aerobatics contained paragraphs 1 through 20 pages 5457 Nowhere part rules equal ex posure mentioned However paragraph 21 page 57 Suggested Field Procedure emphasisRVP subparagraph 217 contains sentences Sets judges shall judge contes tants Flight List equal number times different judges used during contest contestants shall have equal opportunity fly before judges Surprised first read two sentences forgot Sug gested Field Procedure paragraph addition use shall both sentences misled am aeronautical engineer have dealt enough contracts know word shall very strong legal word Ask lawyer what means heU probably tell you dont what follows shall contract youve broken contract really too late submit rule change proposal 1990/91 competition regulations move subparagraph 217 front Sug gested Field Procedure paragraph official rules Yes unless its emergency proposal request rules interpretation RMcM way competitors rights Suggested Field Proce dure thought part official rules about subparagraphs 213 2154 thought part official rules too Check out suggest Contest Directors notify contes tants prior contest via contest flyers ads Competition Newsletter equal expo sure judges guaranteed us have come expect equal exposure dont plan drive 300 miles contest doesnt guar antee Seen new airplanes lately have Carl Goldberg Models sent two kits Model Avi ation editorial offices review comment MA s publisher sent first kit Vector almost-ready-tofly wood kit Since have barely enough time get Pattern airplanes built ready compete asked old flying friend Frank Prest wood Valparaiso FL build provide comments Frank met flying field first flights Frank typed two-page review Vector will include excerpts Heres what Frank liked Wood finishthe sanding superb could have silked doped came out box Woodthe quality wood very good strong light retained stability straightness after exposure high humidity high temperature Precision cuts fittingsall wood precuts bevels outstanding Items such wing centers precisely cut angled give snug fit correct dihedral angle engine plate cut beveled precision engine thrust angles both down right very thorough manual furnished accompanying photos step-by-step instruc tions addition scale drawing furnished two things Frank didnt like Fuel tank levelthe tank-to-carburetor level too low good engine performance Prob lems experienced during flight tests Steering armthe arm too short causes erratic steering Frank concluded kit builders experience levels example inexperi enced builder will likely get wings tail surfaces straight special skill experienced builder will appreciate labor saving features did turn out Franks finished Vector weighed six pounds ounce Fox 45 BBRC up front radio system mixed bag ProLine single-stick transmitter retrofitted Ace Silver Seven encoder Kraft KPR-7 receiver After participating first flights ob serving several times after agree Franks assessment flying characteristics Vector stable very responsive capa ble both low-speed high-speed flying performs basic pattern maneuvers very well Frank did have problems fuel draw due low tank relative carburetor Uniform engine speed could obtained full empty tank Frank plans install fuel pump eliminate problem also installed longer nose gear steering ann improve ground handAnother new Carl Goldberg Models kit Eagle 2 Builder Al Shukie comments kit month Al built flew about 40 Model Aviation Radio Conoi Sport Aerobatics Ron Van Putte Ill Sleepy Oalcs Rd Ft Walton Beadi FL 32548 Carl Goldberg Models new almost-ready-to-fly ARF all-wood design Vector Evaluation kit its flying characteristics builder Frank Prestwood months column ling Frank likes Vector its airplane Ive seen him fly during past few months second Goldberg kit forwarded Eagle 2 same reason before sought out experienced builder flier build kit report time builder Al Shukle Mary Esther FL Al liked following about kit Outstanding die cutting plywood balsa except A-in pieces Instructions ex tremely detailed well illustrated Full-size plans included hardware package included pilot figure some things Al didnt like Balsa provided sometimes inconsistent inappropriate hardness ailerons elevator too soft A-in pieces harder some pine plastic wing tips simple install awkward/ugly windshield plastic too thin did fit well proof pudding flying About Al reported Minimal trim adjustments required Ai lerons very soft elevator posi tive perhaps bit too quick force arrange ment gave positive hands-off recoveries nose high/low situations Overall Eagle 2 easy build fly first aircraft assuming instructor provides trim flight initial help Al editorial comment make about Eagle 2 Most modem 40/45 two-stroke engines really too powerful airplane good 25/30 would fly airplane adequately used plain-bearing Supertigre 35 RC.R VP 40/45 used would restrict carburetor movement much less full opening Thanks Frank Prestwood Al Shulde honest appraisals two new Goldberg kits RC fliers like challenge Well Ive got AMA charter clubs out last months Eglin Aero Modeller Club meeting club member Ed Jackett pointed out subscrip tions Model Aviation US schools $9 per year suggested some us might like adopt local school donate years sub scription ended up whole club donat ing subscriptions three high schools five jun ior high schools community college total cost Only $81 whole year Ed contacted local school librarians make sure would accept subscription exception offer accepted gratitude Some librarians espe cially happy offer because have repeated requests students aviationoriented magazines Ed went say via club newsletter Judging response would say club has taken positive step toward providing young folks Out some thing might result career aviation well lifelong interest model aviation proud Ed Jackett suggesting idea pretty darned pleased ourselves few club votes weve ever unanimous about rest AMA charter clubs joining us spreading idea across whole oountly brings smile face just thinking about tooF VP Continued page 154 Plug Wings rglass Belly Pan Pre-Cut Holes Wing Joiner Tubes Ultralight Honeycomb Wingcors extra MO4SOJ Opuonal Plastic Fiberglass Canopy Fiberglass Fuselage molded wing joiner tube HIGH PERFORMANCE MODELS 9556 116 at. North Delta British0 V4C 6Z4 Canada 604-588-0605 PILOT GLASSES. HOW VALUABLE IS YOUR EYESIGHT _____________ Attractive case included Wraparound frame fits comfortably over prescription glasses ~Ouartz mist coated scratch resistance Made entirely Polycarbonate impact protection ANSI Z871 specifications Adjustable side frames free-flaw ventilation Extremely light weight added comfort Blocks harmful ultraviolet radiation Available in Clear shop work S1325 Amber overcast days & late afternoons $14~ Gray S14~ & Mirror S19~ sunny days CA Mask S1595 Paint Mask $2O~ member club hit prop blade thrown 60 engine close range tip blade struck Safety Plus glasses saved him serious injury possibly loss eye incident con vinced everyone should wear safety glasses near model airplane engines being run upEd Saul Secretary Treasurer Pikes Peak RC Club Prices include shipping handling FLU5 See hobby dealer first doesnt have what need order direct SAFETY PLUS PO Box 1173 Dept iM Clinton MS 39056 ORDERS ONLY 1-800-842-7233 ICont US Mississippi 16011 924-9640 IMC February 1989 41 High Performance Models presents ECL IPSE Designed Henry Piorun Former Canadian National Champion 8 FAI Canadian Team Member IDesigned Specifically FAI Pattern Flying Perform Equally Well Other AMA Classes Basic Kit- $15000 Pre-Built Kit $35000 add *1500 5&HI Send Check Money Order New Rocket Uses B C andO Engines5. Capability No Else Offers MRCs recent introduction 25 Moonbiaster inter mediate kit brings yet another technological advance MRCs Computer Aided Designs CAD built carry B4-2 06-3 engines However Moonblaster also commercially sold rocket kit includes easy-touse adapter also allows use powerful Dengines Bulitto take blast Moonblaster features large die-cut balsa fins blowmolded nose cone superb space capsule detailing Self stick decals 18chute Send free catalog See full line advanced MRC rockets hobby dealer cant help call us directly MRCG Model Rectifier Corporation 2500 Woodbridge Ave Edison NJ 08817 201 985-7800 coming mail has low think reason twofold First time between sues ie between Nats November issue no columns December issue normal col umns Also major parts country its fall pre-winter So outa-sight outa mind effect seeing column month combined season speculate lowers reader interest past weeksince December issue hit streetsthe mail back love Reflecting season issue will no doubt hands just about holiday time timely opportunity wish happy safe memorable holiday Andfor coming yearplease have noth ing happy safe quiet Electric landings Thank everyone giving opportu nity afforded column share fun Please forward comment question SASE please want reply author address given very top column RC AerobaticsNan Putte Continued page 41 elementary school librarian last item Henry Ham 251 Calle Canon de Faber Green Valley AZ 85614 wrote need help can test data Clark Y airfoil Reynolds numbers greater 87000 ob tamed has found data Reynolds num ber source 10-in chord Reyn olds number 87000 corresponds 12 mph Data 300000 would better can remember some old NACA reports Twenties Thirties covered wind tunnel tests Clark Y cant remember Reynolds number source anymore anyone can help Henry please write him Editors note sent copy Ron s column comments new Carl Goldberg Models kits manufacturer company could aware good not-so-good things said about mew models provide opportunity comment Noted flier Dave Patrick responded behalf com pany following being substance views Vector model has flown extensively K&B Sportster 45 OS 3SFP both using muffler pressure pressurize fitel tank recommended instruction booklet out fidel feed problem Dave recommended moving servo end steering pushrod hale closer servo shaft servo output arm/disc steering found too sensitive rather replace kits nose wheel steering arm longer unit Eagle 2 Dave expressed surprise kind balsa sample kit far off desired grade believes Carl Goldberg Models has quality controls among best indus try Concerning power plant feels strongly sport 40 engine racing engine too much airplane especially take offs made grass surface RMcM RC Scale/Wischers Continued page 43 few pencil lines will suffice Anyone thinking about flying all-metal Ford Trimotor Brace wires Streamlined wires flight surfac es Scale models have simulated vari ous meansor sometimes entirely eliminated Some modelers have gone great lengths make wires true miniature renditions actual shape rolled wires full-sized aircraft quite complete machine shop con junction expert machinists know-how becomes necessity anyone taking route best have seen made Merritt Zim merman pair hardened rollers having semielliptical shape peripheries equipped handcrank squeeze wire round stock streamlined shape Its tricky process expert because wire stretches being rolled its initial length must somewhat less fin ished product past have described own process using three parallel music wire lengths sol dered together filed sanded streamlined shape look great suffi ciently stiff prevent sagging small tension spring used end latest method manufacture called attention John Bishop visited bike shop found stainless steel bicycle spokes Racing cyclists use reduce drag rap idly revolving wheel come limited range lengths problem being sizes closely grouped around 12 fit stan dard racing wheels small variations length due fact some wheels laced spoke crossing three four other spokes also accommodate variations hub diameters full length spoke isnt flattened streamlined shape useful small aircraft brace wires tail surfaces advantages bike spoke end threaded 2-56a very common size Most Scale modelers have nuts threading taps #11 BIadesE~ 1i 40 Pad $485 Dehvered 100 Pad $895 Berkeley Trading CoCAEMO PO Box 26 Berkeley Springs WV 254112J Send 55on nor complete line 154 Model Aviation WORmS orocest SCALE E,oro seRVICE 800 000 RACKS PLANS 3 VIEWS PHOTO-PACKS PLANS ENLARGING 5ASE Enlarging Wt Jin Pepinon Catalog *OOSCALE PLANS ad PHOTO SEH VICE 3209 Madoon Geennbno NC 27403 psoe i1519l2925239 No cnIlocrl sioo BIIE5UDP EL IlL RIDOE iaIog MACHINERY TOOL 8 P0 Box 536-V omoog icane wv 25526 off Er 304-562-3538 complete selecnion lathes mills nools Aviation Modeler
Edition: Model Aviation - 1989/02
Page Numbers: 40, 41, 154
PICTURE scene Pattern contest has conducted four rounds Contest Direc tor being sure contestants equally ex posed judges just before fifth round starts discovered contestant during fifth sixth rounds judging ar rangement will provide equal exposure judges contestant can demand either judging arrangement changed guarantee equal exposure contest decided based four rounds equal exposure Right must realize wouldnt have set up way did answer Yes Actually answer no contestants have right equal exposure judges Before begin howl lets check out 1988/89 AMA Compe tition Regulations rule book official part rules RC Aerobatics contained paragraphs 1 through 20 pages 5457 Nowhere part rules equal ex posure mentioned However paragraph 21 page 57 Suggested Field Procedure emphasisRVP subparagraph 217 contains sentences Sets judges shall judge contes tants Flight List equal number times different judges used during contest contestants shall have equal opportunity fly before judges Surprised first read two sentences forgot Sug gested Field Procedure paragraph addition use shall both sentences misled am aeronautical engineer have dealt enough contracts know word shall very strong legal word Ask lawyer what means heU probably tell you dont what follows shall contract youve broken contract really too late submit rule change proposal 1990/91 competition regulations move subparagraph 217 front Sug gested Field Procedure paragraph official rules Yes unless its emergency proposal request rules interpretation RMcM way competitors rights Suggested Field Proce dure thought part official rules about subparagraphs 213 2154 thought part official rules too Check out suggest Contest Directors notify contes tants prior contest via contest flyers ads Competition Newsletter equal expo sure judges guaranteed us have come expect equal exposure dont plan drive 300 miles contest doesnt guar antee Seen new airplanes lately have Carl Goldberg Models sent two kits Model Avi ation editorial offices review comment MA s publisher sent first kit Vector almost-ready-tofly wood kit Since have barely enough time get Pattern airplanes built ready compete asked old flying friend Frank Prest wood Valparaiso FL build provide comments Frank met flying field first flights Frank typed two-page review Vector will include excerpts Heres what Frank liked Wood finishthe sanding superb could have silked doped came out box Woodthe quality wood very good strong light retained stability straightness after exposure high humidity high temperature Precision cuts fittingsall wood precuts bevels outstanding Items such wing centers precisely cut angled give snug fit correct dihedral angle engine plate cut beveled precision engine thrust angles both down right very thorough manual furnished accompanying photos step-by-step instruc tions addition scale drawing furnished two things Frank didnt like Fuel tank levelthe tank-to-carburetor level too low good engine performance Prob lems experienced during flight tests Steering armthe arm too short causes erratic steering Frank concluded kit builders experience levels example inexperi enced builder will likely get wings tail surfaces straight special skill experienced builder will appreciate labor saving features did turn out Franks finished Vector weighed six pounds ounce Fox 45 BBRC up front radio system mixed bag ProLine single-stick transmitter retrofitted Ace Silver Seven encoder Kraft KPR-7 receiver After participating first flights ob serving several times after agree Franks assessment flying characteristics Vector stable very responsive capa ble both low-speed high-speed flying performs basic pattern maneuvers very well Frank did have problems fuel draw due low tank relative carburetor Uniform engine speed could obtained full empty tank Frank plans install fuel pump eliminate problem also installed longer nose gear steering ann improve ground handAnother new Carl Goldberg Models kit Eagle 2 Builder Al Shukie comments kit month Al built flew about 40 Model Aviation Radio Conoi Sport Aerobatics Ron Van Putte Ill Sleepy Oalcs Rd Ft Walton Beadi FL 32548 Carl Goldberg Models new almost-ready-to-fly ARF all-wood design Vector Evaluation kit its flying characteristics builder Frank Prestwood months column ling Frank likes Vector its airplane Ive seen him fly during past few months second Goldberg kit forwarded Eagle 2 same reason before sought out experienced builder flier build kit report time builder Al Shukle Mary Esther FL Al liked following about kit Outstanding die cutting plywood balsa except A-in pieces Instructions ex tremely detailed well illustrated Full-size plans included hardware package included pilot figure some things Al didnt like Balsa provided sometimes inconsistent inappropriate hardness ailerons elevator too soft A-in pieces harder some pine plastic wing tips simple install awkward/ugly windshield plastic too thin did fit well proof pudding flying About Al reported Minimal trim adjustments required Ai lerons very soft elevator posi tive perhaps bit too quick force arrange ment gave positive hands-off recoveries nose high/low situations Overall Eagle 2 easy build fly first aircraft assuming instructor provides trim flight initial help Al editorial comment make about Eagle 2 Most modem 40/45 two-stroke engines really too powerful airplane good 25/30 would fly airplane adequately used plain-bearing Supertigre 35 RC.R VP 40/45 used would restrict carburetor movement much less full opening Thanks Frank Prestwood Al Shulde honest appraisals two new Goldberg kits RC fliers like challenge Well Ive got AMA charter clubs out last months Eglin Aero Modeller Club meeting club member Ed Jackett pointed out subscrip tions Model Aviation US schools $9 per year suggested some us might like adopt local school donate years sub scription ended up whole club donat ing subscriptions three high schools five jun ior high schools community college total cost Only $81 whole year Ed contacted local school librarians make sure would accept subscription exception offer accepted gratitude Some librarians espe cially happy offer because have repeated requests students aviationoriented magazines Ed went say via club newsletter Judging response would say club has taken positive step toward providing young folks Out some thing might result career aviation well lifelong interest model aviation proud Ed Jackett suggesting idea pretty darned pleased ourselves few club votes weve ever unanimous about rest AMA charter clubs joining us spreading idea across whole oountly brings smile face just thinking about tooF VP Continued page 154 Plug Wings rglass Belly Pan Pre-Cut Holes Wing Joiner Tubes Ultralight Honeycomb Wingcors extra MO4SOJ Opuonal Plastic Fiberglass Canopy Fiberglass Fuselage molded wing joiner tube HIGH PERFORMANCE MODELS 9556 116 at. North Delta British0 V4C 6Z4 Canada 604-588-0605 PILOT GLASSES. HOW VALUABLE IS YOUR EYESIGHT _____________ Attractive case included Wraparound frame fits comfortably over prescription glasses ~Ouartz mist coated scratch resistance Made entirely Polycarbonate impact protection ANSI Z871 specifications Adjustable side frames free-flaw ventilation Extremely light weight added comfort Blocks harmful ultraviolet radiation Available in Clear shop work S1325 Amber overcast days & late afternoons $14~ Gray S14~ & Mirror S19~ sunny days CA Mask S1595 Paint Mask $2O~ member club hit prop blade thrown 60 engine close range tip blade struck Safety Plus glasses saved him serious injury possibly loss eye incident con vinced everyone should wear safety glasses near model airplane engines being run upEd Saul Secretary Treasurer Pikes Peak RC Club Prices include shipping handling FLU5 See hobby dealer first doesnt have what need order direct SAFETY PLUS PO Box 1173 Dept iM Clinton MS 39056 ORDERS ONLY 1-800-842-7233 ICont US Mississippi 16011 924-9640 IMC February 1989 41 High Performance Models presents ECL IPSE Designed Henry Piorun Former Canadian National Champion 8 FAI Canadian Team Member IDesigned Specifically FAI Pattern Flying Perform Equally Well Other AMA Classes Basic Kit- $15000 Pre-Built Kit $35000 add *1500 5&HI Send Check Money Order New Rocket Uses B C andO Engines5. Capability No Else Offers MRCs recent introduction 25 Moonbiaster inter mediate kit brings yet another technological advance MRCs Computer Aided Designs CAD built carry B4-2 06-3 engines However Moonblaster also commercially sold rocket kit includes easy-touse adapter also allows use powerful Dengines Bulitto take blast Moonblaster features large die-cut balsa fins blowmolded nose cone superb space capsule detailing Self stick decals 18chute Send free catalog See full line advanced MRC rockets hobby dealer cant help call us directly MRCG Model Rectifier Corporation 2500 Woodbridge Ave Edison NJ 08817 201 985-7800 coming mail has low think reason twofold First time between sues ie between Nats November issue no columns December issue normal col umns Also major parts country its fall pre-winter So outa-sight outa mind effect seeing column month combined season speculate lowers reader interest past weeksince December issue hit streetsthe mail back love Reflecting season issue will no doubt hands just about holiday time timely opportunity wish happy safe memorable holiday Andfor coming yearplease have noth ing happy safe quiet Electric landings Thank everyone giving opportu nity afforded column share fun Please forward comment question SASE please want reply author address given very top column RC AerobaticsNan Putte Continued page 41 elementary school librarian last item Henry Ham 251 Calle Canon de Faber Green Valley AZ 85614 wrote need help can test data Clark Y airfoil Reynolds numbers greater 87000 ob tamed has found data Reynolds num ber source 10-in chord Reyn olds number 87000 corresponds 12 mph Data 300000 would better can remember some old NACA reports Twenties Thirties covered wind tunnel tests Clark Y cant remember Reynolds number source anymore anyone can help Henry please write him Editors note sent copy Ron s column comments new Carl Goldberg Models kits manufacturer company could aware good not-so-good things said about mew models provide opportunity comment Noted flier Dave Patrick responded behalf com pany following being substance views Vector model has flown extensively K&B Sportster 45 OS 3SFP both using muffler pressure pressurize fitel tank recommended instruction booklet out fidel feed problem Dave recommended moving servo end steering pushrod hale closer servo shaft servo output arm/disc steering found too sensitive rather replace kits nose wheel steering arm longer unit Eagle 2 Dave expressed surprise kind balsa sample kit far off desired grade believes Carl Goldberg Models has quality controls among best indus try Concerning power plant feels strongly sport 40 engine racing engine too much airplane especially take offs made grass surface RMcM RC Scale/Wischers Continued page 43 few pencil lines will suffice Anyone thinking about flying all-metal Ford Trimotor Brace wires Streamlined wires flight surfac es Scale models have simulated vari ous meansor sometimes entirely eliminated Some modelers have gone great lengths make wires true miniature renditions actual shape rolled wires full-sized aircraft quite complete machine shop con junction expert machinists know-how becomes necessity anyone taking route best have seen made Merritt Zim merman pair hardened rollers having semielliptical shape peripheries equipped handcrank squeeze wire round stock streamlined shape Its tricky process expert because wire stretches being rolled its initial length must somewhat less fin ished product past have described own process using three parallel music wire lengths sol dered together filed sanded streamlined shape look great suffi ciently stiff prevent sagging small tension spring used end latest method manufacture called attention John Bishop visited bike shop found stainless steel bicycle spokes Racing cyclists use reduce drag rap idly revolving wheel come limited range lengths problem being sizes closely grouped around 12 fit stan dard racing wheels small variations length due fact some wheels laced spoke crossing three four other spokes also accommodate variations hub diameters full length spoke isnt flattened streamlined shape useful small aircraft brace wires tail surfaces advantages bike spoke end threaded 2-56a very common size Most Scale modelers have nuts threading taps #11 BIadesE~ 1i 40 Pad $485 Dehvered 100 Pad $895 Berkeley Trading CoCAEMO PO Box 26 Berkeley Springs WV 254112J Send 55on nor complete line 154 Model Aviation WORmS orocest SCALE E,oro seRVICE 800 000 RACKS PLANS 3 VIEWS PHOTO-PACKS PLANS ENLARGING 5ASE Enlarging Wt Jin Pepinon Catalog *OOSCALE PLANS ad PHOTO SEH VICE 3209 Madoon Geennbno NC 27403 psoe i1519l2925239 No cnIlocrl sioo BIIE5UDP EL IlL RIDOE iaIog MACHINERY TOOL 8 P0 Box 536-V omoog icane wv 25526 off Er 304-562-3538 complete selecnion lathes mills nools Aviation Modeler
Edition: Model Aviation - 1989/02
Page Numbers: 40, 41, 154
PICTURE scene Pattern contest has conducted four rounds Contest Direc tor being sure contestants equally ex posed judges just before fifth round starts discovered contestant during fifth sixth rounds judging ar rangement will provide equal exposure judges contestant can demand either judging arrangement changed guarantee equal exposure contest decided based four rounds equal exposure Right must realize wouldnt have set up way did answer Yes Actually answer no contestants have right equal exposure judges Before begin howl lets check out 1988/89 AMA Compe tition Regulations rule book official part rules RC Aerobatics contained paragraphs 1 through 20 pages 5457 Nowhere part rules equal ex posure mentioned However paragraph 21 page 57 Suggested Field Procedure emphasisRVP subparagraph 217 contains sentences Sets judges shall judge contes tants Flight List equal number times different judges used during contest contestants shall have equal opportunity fly before judges Surprised first read two sentences forgot Sug gested Field Procedure paragraph addition use shall both sentences misled am aeronautical engineer have dealt enough contracts know word shall very strong legal word Ask lawyer what means heU probably tell you dont what follows shall contract youve broken contract really too late submit rule change proposal 1990/91 competition regulations move subparagraph 217 front Sug gested Field Procedure paragraph official rules Yes unless its emergency proposal request rules interpretation RMcM way competitors rights Suggested Field Proce dure thought part official rules about subparagraphs 213 2154 thought part official rules too Check out suggest Contest Directors notify contes tants prior contest via contest flyers ads Competition Newsletter equal expo sure judges guaranteed us have come expect equal exposure dont plan drive 300 miles contest doesnt guar antee Seen new airplanes lately have Carl Goldberg Models sent two kits Model Avi ation editorial offices review comment MA s publisher sent first kit Vector almost-ready-tofly wood kit Since have barely enough time get Pattern airplanes built ready compete asked old flying friend Frank Prest wood Valparaiso FL build provide comments Frank met flying field first flights Frank typed two-page review Vector will include excerpts Heres what Frank liked Wood finishthe sanding superb could have silked doped came out box Woodthe quality wood very good strong light retained stability straightness after exposure high humidity high temperature Precision cuts fittingsall wood precuts bevels outstanding Items such wing centers precisely cut angled give snug fit correct dihedral angle engine plate cut beveled precision engine thrust angles both down right very thorough manual furnished accompanying photos step-by-step instruc tions addition scale drawing furnished two things Frank didnt like Fuel tank levelthe tank-to-carburetor level too low good engine performance Prob lems experienced during flight tests Steering armthe arm too short causes erratic steering Frank concluded kit builders experience levels example inexperi enced builder will likely get wings tail surfaces straight special skill experienced builder will appreciate labor saving features did turn out Franks finished Vector weighed six pounds ounce Fox 45 BBRC up front radio system mixed bag ProLine single-stick transmitter retrofitted Ace Silver Seven encoder Kraft KPR-7 receiver After participating first flights ob serving several times after agree Franks assessment flying characteristics Vector stable very responsive capa ble both low-speed high-speed flying performs basic pattern maneuvers very well Frank did have problems fuel draw due low tank relative carburetor Uniform engine speed could obtained full empty tank Frank plans install fuel pump eliminate problem also installed longer nose gear steering ann improve ground handAnother new Carl Goldberg Models kit Eagle 2 Builder Al Shukie comments kit month Al built flew about 40 Model Aviation Radio Conoi Sport Aerobatics Ron Van Putte Ill Sleepy Oalcs Rd Ft Walton Beadi FL 32548 Carl Goldberg Models new almost-ready-to-fly ARF all-wood design Vector Evaluation kit its flying characteristics builder Frank Prestwood months column ling Frank likes Vector its airplane Ive seen him fly during past few months second Goldberg kit forwarded Eagle 2 same reason before sought out experienced builder flier build kit report time builder Al Shukle Mary Esther FL Al liked following about kit Outstanding die cutting plywood balsa except A-in pieces Instructions ex tremely detailed well illustrated Full-size plans included hardware package included pilot figure some things Al didnt like Balsa provided sometimes inconsistent inappropriate hardness ailerons elevator too soft A-in pieces harder some pine plastic wing tips simple install awkward/ugly windshield plastic too thin did fit well proof pudding flying About Al reported Minimal trim adjustments required Ai lerons very soft elevator posi tive perhaps bit too quick force arrange ment gave positive hands-off recoveries nose high/low situations Overall Eagle 2 easy build fly first aircraft assuming instructor provides trim flight initial help Al editorial comment make about Eagle 2 Most modem 40/45 two-stroke engines really too powerful airplane good 25/30 would fly airplane adequately used plain-bearing Supertigre 35 RC.R VP 40/45 used would restrict carburetor movement much less full opening Thanks Frank Prestwood Al Shulde honest appraisals two new Goldberg kits RC fliers like challenge Well Ive got AMA charter clubs out last months Eglin Aero Modeller Club meeting club member Ed Jackett pointed out subscrip tions Model Aviation US schools $9 per year suggested some us might like adopt local school donate years sub scription ended up whole club donat ing subscriptions three high schools five jun ior high schools community college total cost Only $81 whole year Ed contacted local school librarians make sure would accept subscription exception offer accepted gratitude Some librarians espe cially happy offer because have repeated requests students aviationoriented magazines Ed went say via club newsletter Judging response would say club has taken positive step toward providing young folks Out some thing might result career aviation well lifelong interest model aviation proud Ed Jackett suggesting idea pretty darned pleased ourselves few club votes weve ever unanimous about rest AMA charter clubs joining us spreading idea across whole oountly brings smile face just thinking about tooF VP Continued page 154 Plug Wings rglass Belly Pan Pre-Cut Holes Wing Joiner Tubes Ultralight Honeycomb Wingcors extra MO4SOJ Opuonal Plastic Fiberglass Canopy Fiberglass Fuselage molded wing joiner tube HIGH PERFORMANCE MODELS 9556 116 at. North Delta British0 V4C 6Z4 Canada 604-588-0605 PILOT GLASSES. HOW VALUABLE IS YOUR EYESIGHT _____________ Attractive case included Wraparound frame fits comfortably over prescription glasses ~Ouartz mist coated scratch resistance Made entirely Polycarbonate impact protection ANSI Z871 specifications Adjustable side frames free-flaw ventilation Extremely light weight added comfort Blocks harmful ultraviolet radiation Available in Clear shop work S1325 Amber overcast days & late afternoons $14~ Gray S14~ & Mirror S19~ sunny days CA Mask S1595 Paint Mask $2O~ member club hit prop blade thrown 60 engine close range tip blade struck Safety Plus glasses saved him serious injury possibly loss eye incident con vinced everyone should wear safety glasses near model airplane engines being run upEd Saul Secretary Treasurer Pikes Peak RC Club Prices include shipping handling FLU5 See hobby dealer first doesnt have what need order direct SAFETY PLUS PO Box 1173 Dept iM Clinton MS 39056 ORDERS ONLY 1-800-842-7233 ICont US Mississippi 16011 924-9640 IMC February 1989 41 High Performance Models presents ECL IPSE Designed Henry Piorun Former Canadian National Champion 8 FAI Canadian Team Member IDesigned Specifically FAI Pattern Flying Perform Equally Well Other AMA Classes Basic Kit- $15000 Pre-Built Kit $35000 add *1500 5&HI Send Check Money Order New Rocket Uses B C andO Engines5. Capability No Else Offers MRCs recent introduction 25 Moonbiaster inter mediate kit brings yet another technological advance MRCs Computer Aided Designs CAD built carry B4-2 06-3 engines However Moonblaster also commercially sold rocket kit includes easy-touse adapter also allows use powerful Dengines Bulitto take blast Moonblaster features large die-cut balsa fins blowmolded nose cone superb space capsule detailing Self stick decals 18chute Send free catalog See full line advanced MRC rockets hobby dealer cant help call us directly MRCG Model Rectifier Corporation 2500 Woodbridge Ave Edison NJ 08817 201 985-7800 coming mail has low think reason twofold First time between sues ie between Nats November issue no columns December issue normal col umns Also major parts country its fall pre-winter So outa-sight outa mind effect seeing column month combined season speculate lowers reader interest past weeksince December issue hit streetsthe mail back love Reflecting season issue will no doubt hands just about holiday time timely opportunity wish happy safe memorable holiday Andfor coming yearplease have noth ing happy safe quiet Electric landings Thank everyone giving opportu nity afforded column share fun Please forward comment question SASE please want reply author address given very top column RC AerobaticsNan Putte Continued page 41 elementary school librarian last item Henry Ham 251 Calle Canon de Faber Green Valley AZ 85614 wrote need help can test data Clark Y airfoil Reynolds numbers greater 87000 ob tamed has found data Reynolds num ber source 10-in chord Reyn olds number 87000 corresponds 12 mph Data 300000 would better can remember some old NACA reports Twenties Thirties covered wind tunnel tests Clark Y cant remember Reynolds number source anymore anyone can help Henry please write him Editors note sent copy Ron s column comments new Carl Goldberg Models kits manufacturer company could aware good not-so-good things said about mew models provide opportunity comment Noted flier Dave Patrick responded behalf com pany following being substance views Vector model has flown extensively K&B Sportster 45 OS 3SFP both using muffler pressure pressurize fitel tank recommended instruction booklet out fidel feed problem Dave recommended moving servo end steering pushrod hale closer servo shaft servo output arm/disc steering found too sensitive rather replace kits nose wheel steering arm longer unit Eagle 2 Dave expressed surprise kind balsa sample kit far off desired grade believes Carl Goldberg Models has quality controls among best indus try Concerning power plant feels strongly sport 40 engine racing engine too much airplane especially take offs made grass surface RMcM RC Scale/Wischers Continued page 43 few pencil lines will suffice Anyone thinking about flying all-metal Ford Trimotor Brace wires Streamlined wires flight surfac es Scale models have simulated vari ous meansor sometimes entirely eliminated Some modelers have gone great lengths make wires true miniature renditions actual shape rolled wires full-sized aircraft quite complete machine shop con junction expert machinists know-how becomes necessity anyone taking route best have seen made Merritt Zim merman pair hardened rollers having semielliptical shape peripheries equipped handcrank squeeze wire round stock streamlined shape Its tricky process expert because wire stretches being rolled its initial length must somewhat less fin ished product past have described own process using three parallel music wire lengths sol dered together filed sanded streamlined shape look great suffi ciently stiff prevent sagging small tension spring used end latest method manufacture called attention John Bishop visited bike shop found stainless steel bicycle spokes Racing cyclists use reduce drag rap idly revolving wheel come limited range lengths problem being sizes closely grouped around 12 fit stan dard racing wheels small variations length due fact some wheels laced spoke crossing three four other spokes also accommodate variations hub diameters full length spoke isnt flattened streamlined shape useful small aircraft brace wires tail surfaces advantages bike spoke end threaded 2-56a very common size Most Scale modelers have nuts threading taps #11 BIadesE~ 1i 40 Pad $485 Dehvered 100 Pad $895 Berkeley Trading CoCAEMO PO Box 26 Berkeley Springs WV 254112J Send 55on nor complete line 154 Model Aviation WORmS orocest SCALE E,oro seRVICE 800 000 RACKS PLANS 3 VIEWS PHOTO-PACKS PLANS ENLARGING 5ASE Enlarging Wt Jin Pepinon Catalog *OOSCALE PLANS ad PHOTO SEH VICE 3209 Madoon Geennbno NC 27403 psoe i1519l2925239 No cnIlocrl sioo BIIE5UDP EL IlL RIDOE iaIog MACHINERY TOOL 8 P0 Box 536-V omoog icane wv 25526 off Er 304-562-3538 complete selecnion lathes mills nools Aviation Modeler