an en place alf-A Lratiflg use si rbulence thor comi DIN tk r band s downward outward h r constructinti Iue con 10 navent trieu n bui over nd longerons 4 used balsa tug tne local fuselagejER two sides al length cross l o fuselage depart i-I mdl rear fus4 etc cutting cabin floor abin n sides m -in thici door outline mt pen After isoodi will appear toing wi realt ea nel mararoui im magazinesietho celluloid plywo p ins d seat ba NO OCR TEXT apologize have neglected new data engines intentional did neglect carburetors mufflers since such should covered separate complete article Winged World/Bowers continued page 52 barnstorming During golden age years flew air races Howard Pete made home-built aircraft re built bought airplanes such Waco 10 During operations meticu lously photographed plumbed measured recorded structural details now maintains data reference files flew old Northwest Airways using Laird Speedwings friend Speed Holman Canada bush flew Bellancas re mote areas Northwest Territories such trip Ned tells picking up load mining tools several dogs pregnant Eskimo woman Enroute encountering moderate turbulence suddenly attention grabbed loud crack followed ripping noise never felt much cold air dogs started barking expectant mother began have pains amid excitement Neds assessment damages determined Bel lancas fuselage fabric torn away just behind wing almost back fin flapping breeze able maintain flight next mining station landed relief repairs ever run Eskimo named Bellanca can guess came Kragness continued work airlines including old Transcontinen tal Western later TWA leaving special assignment took him pre-war Nazi Germany through out South America During period able fly foreign aircraft names soon become house hold words Just prior World War II called active duty Army Air Corps held reserve commission Coast Artillery first military flying began operations officer after looking log book pointed North American 0-47 field told him go out brush up bit military flying took him Panama flew odd balls combat tours P-40s B-24s Pacific later Muroc Dry Lake test flying engineering Just before war ended captured enemy aircraft brought Wright Field flight evaluation engineer ing studies Kragness deeply involved laughs recalls cident ramp Wright Field captured JU 88 flown Africa brass came out inspect new prize milling around plane under wings kicking tires doing what pilots see new ma chine Major got cockpit began examining switches arm ament panel guess couldnt read German Ned recalls soon loud bang hell broke loose Major thrown switch detonated sev eral explosive bolts under wing part emergency system used rid plane certain external armament loads Bits pieces schrapnel pep pering hell out brass under wing injured awarded Purple Heart After war Kragness left service joined CAA later FAA held positions respon sibility engineering research aviation law lure cockpit came too strong returned industry active flying engineering test pilot Hayes Aircraft later Lockheed During years Kragness owned sev eral airplanes all-time favorite old surplus Vultee Vibrator BT-13 flew fun seven years re markable choice pilot has flown several hundred types ranging Curtiss flying boat Spads Howard racers Lockheed Vegas P-38s FW 190s Constellations JU 52s modern day jets Kragness went back Government 1959 Although day day responsi bilities include active flying manages remain proficient two three different aircraft types flying Beech Sierra Cessna models Kragness still manages spend hours shop pro ducing beautiful models quality seem improve builds often think active modeler individual spends spare mo ment amid much ballyhoo flying field quality model whether built himself may no real concern him admirers Significant rolls can get fast fly-past super Macho X highly active mod elers needs expression satis fied through creativity Such producing replica aircraft has some special esthetic nostalgic appeal Krag ness example BT-13 owned has subject models improvement over its predecessor As true innovator Kragness has developed re markable techniques constructing mon ocoque fuselages has applied BT has developed another clever control systems model com pletely enclosed tail conesheer genius models have flown FF RC considerable success techniques being applied other sub jects Several techniques have subject magazine articles recognition Kragness varied activities have come frequent requests services consultant time time has represented Department Justice insurance firms several large legal firms litigation regarding aircraft accidents Kragness retirement has no allure will progression another career What plans future Well Ned says big grin think Ill just what neighbors neu tered tomcat Sam does continue consult ing also other things want goes such writing about aviation model planes structing flying Beechs Cessnas local airport plans pursue other hobbies photography music use wonderful collection ma chine tools Will provide satisfaction after active years aviation asked him No replied sure hell ofa lot models want build H iperbipe/Schobloher continued page 55 plans help shape styrofoam block carving shaping sandpaper block Sand direc tion prevent chunking Out styrofoam proper type styrofoam expanded-bead polystyrene type because readily dissolvable aromatic fluids Paint foam form coat Hobbypoxy formula #2 epoxy becomes tacky lay number pieces paper handiwipes cloth-like paper towel ing over coated form block Add another coat Hobbypoxy another layer toweling final coat epoxy dry sand down epoxy un til smooth holes paper toweling comes through add coats epoxy necessary ob tain smooth cowling best time prime finish spray painting cowling dry completely satisfied finish cowling pour gasoline inside gaso line will dissolve foam leaving finFebruary 1979 105 $100PeanutNo7 Capt Page 5] Curtiss XF6C-6 MODERNISTIC MODELS PO BOX 6974 ALBUQ NM 87197 REPLA-TECHDIr JINTFRNATIONAL INC MC KENZIE HWY PLANS VIDA OREGON 974BB APRIL 67&8 9 FRIDAY9am 6pm SATURDAY9am 6pm SUNDAY9am 330 pm19 JOIN US FOR OUR SILVER ANNIVERSARY presented Weak Signals R/C Club 20 Box 5772 Toledo Ohio 43613 ished shell epoxy paper laminate easy way making thin cowling can easily redone event major crack-up See article Mold Easy Way July 1977 Model Aviation Trim cowling fit around windshield can opy attach small wood screws through cowling hardwood blocks cemented firewall along sides recessed thickness cowling Wings They made quite conven tional manner use hardwood leading edge called prevents nicks model lands tall dry weeds root ribs top bottom area struts attach planked 1/64 ply wood sold mostly wing skins use foam RC models lower sweptback wings contain pulley arrangement allows wings flex downward upon landing pulley simply two pieces telescoping aluminum tubing ce mented gussets other rotating freely over first pulley arrange ment will keep rubber bands hidden wing still apply tension keeping flying wires taut wing-tip lights made round dowels tapered sanded stream lined shape blunt end painted red green other Mix small portion 5-minute Hobbypoxy lay drop over red green end just suf ficient cover entire diameter Now hold tip light vertical position epoxy edge down Hobbypoxy will sag streamline shape crystal clear hardened making clear lens cover Cut slots plywood knock-off wing struts One-sixteenth hardwood dow els used pin wings fu selage extend through fuselage sheet thickness permit knock-off characteristics Tail Surfaces stabilizer rudder curved leading edge pieces made water-soaked balsa strips taped form until dry After assembly laminated leading edges ribs sanded down streamlined section important make stab rudder adjustable scale model method use small number 2-56 machine screw adjustors head screw soldered-on washer nut sandwiched both sides ply wood plate An additional nut wire loop soldered retain hardwood dowel can now travel up down per mits adjustment stab rudder extreme fuselage width required making two screw adjustors stab stab hinges two straight pins put through rear fuselage Cover completely trim stab three sides fuselage before assembling pins pushed through fuselage stab dowels added front through adjustor screws After assem bly seems correct complete covering bottom fuselage rudder sim ilar pivots hardwood dowel telescopes previously attached alum inum tubing fuselage bracing wires between stab rudder hold whole assembly together Flying Before attempt fly model would like make very important suggestion Cox Tee Dee 020 its integral gas tank will run almost three minutes full tank large 5 X 3 prop figured out tip ping plane approximately 120 degrees horizontal could put about third tank full squeeze bulb However 1976 Nationals must have eventually filled tank after two attempts takeoff consequently fly-away lost airplane Two weeks later through generous efforts local model clubs did retrieve model now fly tank filled two-thirds rubbery plug made Selastic Dow Comings bath-tub caulk im pervious fuel doesnt stick tank can removed carved down dimension will permit engine run desire heat contest now impossible over-fill tank model spite fly-away Nationals qualifying land ing approach points did win third place EAA award best home-built free flight gas category After previous 106 Model Aviation TWENTY- FIFTH ANNUAL RADIO CONTROL EXPOSITION CD 7leaf DUBRO KWIK- HINGIE SLOTTER FOR LARGE AND SMALL HINGES THE ONLY UNIVERSAL SLOTTING TOOL THAT NOT ONLY CENTERS BUT GUIDES YOUR BLADE FOR PERFECTLY ALIGNEDHINGE SLOTS EVERY TIME BLADE AND BLADE AND black oxided hardened steel blades fit neatly no 2 x-acto knife handle work conjunction handy alignment jig features 3 interchangeable snap-on guides Two large small leaf hinges drilling 3 stan dard size holes match type hinge choose use C BALSA PICKER PRODUCTS INCORPORATED Pur 480 Bonner Road Wauconda1 Illinois 60084 USA mentioned crack-up cardtable local contest model rebuilt took first place 1977 Canadian Nationals demonstrating smooth take off like other biplane very stable flight pattern hope also will build model enjoy flying much have would like hear FF Duration continued page 57 aspect ratio curvature airfoil section thickness airfoil section wing could restated wing layout air foil what Table 1 essentially doc uments real secrets glider performance rate Table 1 may used Interim Great Wonderful Nordic Design Oracle & State-Of-TheArt Determiner until next design trend comes along Speaking Which Speaking state of-the-art Nordics District V VicePresident Jim McNeill has some arty fact Jim has zoological assortment decorative tailschickens hippos etc see photo also noting bamboo tail boom Jim enjoys h flying reflected artful approach tails chicken doesnt work out Jim can always change eagle con dor performance peacock NFFS Nouncement National Free Flight Society gears already motion get proverbial act together 79 looked-forward-to efforts Society annual 12th annual year NFFS Symposium Na tional Free Flight Society now soliciting papers 1979 NFFS Symposium held 1979 Nats Papers will published 1979 Symposium volume whether author able present paper personally Nats Papers should cover some aspect science art free flight models including tech nical studies practical design engineer ing applied models new unusual model aircraft developments historical items Both indoor outdoor free-flight modeling developments included Please send proposed papers Mr Rob ert P Dodds Box 436 Rancho Santa Fe CA 92067 Send title proposed paper together abstract 200 words or complete paper available Abstracts should submitted soon possible NFFS Nouncement No 2 Another Societys annual efforts also associated Natssponsoring/conducting Nats Unofficial Events thought 7-Up responsible Although Unofficial Events program has become somewhat traditional Nats planning and/or announcement some events past have sometimes late loose non-existent Terry Rimert NFFS 1979 Nats Un official Events Director volunteer tempting prevent past mistakes Terry puts trying get some events lined up time let people know going have can prepare Im looking people sponsor events people run events Nats sooner find out what can better So far John Pond has told going have Old Time FF Friday Old Time Banquet Fri day night will try schedule NFFS events conflict Rubber Speed will again offer prize buck per mph winner Tentatively Rubber Speed will Tuesday need someone sponsor/run Helicopter Autogyro nithopter Jumbo Scale Thompson Tro phy Races Embryo Endurance ROW P-30 Cargo few others Volunteers interested aiding Terry event sponsor event director event worker whatever contact him 367 Orange Avenue Baldwin FL 32234 cant helper least consider fly ing events Unofficial some really neat challenging unique fun official North Northwest definitely no fun lose airplane wander around aim lessly woods looking com pass could excellent aid searching February 1979 107 r Cat No 216 195
Edition: Model Aviation - 1979/02
Page Numbers: 53, 54, 55, 105, 106, 107
an en place alf-A Lratiflg use si rbulence thor comi DIN tk r band s downward outward h r constructinti Iue con 10 navent trieu n bui over nd longerons 4 used balsa tug tne local fuselagejER two sides al length cross l o fuselage depart i-I mdl rear fus4 etc cutting cabin floor abin n sides m -in thici door outline mt pen After isoodi will appear toing wi realt ea nel mararoui im magazinesietho celluloid plywo p ins d seat ba NO OCR TEXT apologize have neglected new data engines intentional did neglect carburetors mufflers since such should covered separate complete article Winged World/Bowers continued page 52 barnstorming During golden age years flew air races Howard Pete made home-built aircraft re built bought airplanes such Waco 10 During operations meticu lously photographed plumbed measured recorded structural details now maintains data reference files flew old Northwest Airways using Laird Speedwings friend Speed Holman Canada bush flew Bellancas re mote areas Northwest Territories such trip Ned tells picking up load mining tools several dogs pregnant Eskimo woman Enroute encountering moderate turbulence suddenly attention grabbed loud crack followed ripping noise never felt much cold air dogs started barking expectant mother began have pains amid excitement Neds assessment damages determined Bel lancas fuselage fabric torn away just behind wing almost back fin flapping breeze able maintain flight next mining station landed relief repairs ever run Eskimo named Bellanca can guess came Kragness continued work airlines including old Transcontinen tal Western later TWA leaving special assignment took him pre-war Nazi Germany through out South America During period able fly foreign aircraft names soon become house hold words Just prior World War II called active duty Army Air Corps held reserve commission Coast Artillery first military flying began operations officer after looking log book pointed North American 0-47 field told him go out brush up bit military flying took him Panama flew odd balls combat tours P-40s B-24s Pacific later Muroc Dry Lake test flying engineering Just before war ended captured enemy aircraft brought Wright Field flight evaluation engineer ing studies Kragness deeply involved laughs recalls cident ramp Wright Field captured JU 88 flown Africa brass came out inspect new prize milling around plane under wings kicking tires doing what pilots see new ma chine Major got cockpit began examining switches arm ament panel guess couldnt read German Ned recalls soon loud bang hell broke loose Major thrown switch detonated sev eral explosive bolts under wing part emergency system used rid plane certain external armament loads Bits pieces schrapnel pep pering hell out brass under wing injured awarded Purple Heart After war Kragness left service joined CAA later FAA held positions respon sibility engineering research aviation law lure cockpit came too strong returned industry active flying engineering test pilot Hayes Aircraft later Lockheed During years Kragness owned sev eral airplanes all-time favorite old surplus Vultee Vibrator BT-13 flew fun seven years re markable choice pilot has flown several hundred types ranging Curtiss flying boat Spads Howard racers Lockheed Vegas P-38s FW 190s Constellations JU 52s modern day jets Kragness went back Government 1959 Although day day responsi bilities include active flying manages remain proficient two three different aircraft types flying Beech Sierra Cessna models Kragness still manages spend hours shop pro ducing beautiful models quality seem improve builds often think active modeler individual spends spare mo ment amid much ballyhoo flying field quality model whether built himself may no real concern him admirers Significant rolls can get fast fly-past super Macho X highly active mod elers needs expression satis fied through creativity Such producing replica aircraft has some special esthetic nostalgic appeal Krag ness example BT-13 owned has subject models improvement over its predecessor As true innovator Kragness has developed re markable techniques constructing mon ocoque fuselages has applied BT has developed another clever control systems model com pletely enclosed tail conesheer genius models have flown FF RC considerable success techniques being applied other sub jects Several techniques have subject magazine articles recognition Kragness varied activities have come frequent requests services consultant time time has represented Department Justice insurance firms several large legal firms litigation regarding aircraft accidents Kragness retirement has no allure will progression another career What plans future Well Ned says big grin think Ill just what neighbors neu tered tomcat Sam does continue consult ing also other things want goes such writing about aviation model planes structing flying Beechs Cessnas local airport plans pursue other hobbies photography music use wonderful collection ma chine tools Will provide satisfaction after active years aviation asked him No replied sure hell ofa lot models want build H iperbipe/Schobloher continued page 55 plans help shape styrofoam block carving shaping sandpaper block Sand direc tion prevent chunking Out styrofoam proper type styrofoam expanded-bead polystyrene type because readily dissolvable aromatic fluids Paint foam form coat Hobbypoxy formula #2 epoxy becomes tacky lay number pieces paper handiwipes cloth-like paper towel ing over coated form block Add another coat Hobbypoxy another layer toweling final coat epoxy dry sand down epoxy un til smooth holes paper toweling comes through add coats epoxy necessary ob tain smooth cowling best time prime finish spray painting cowling dry completely satisfied finish cowling pour gasoline inside gaso line will dissolve foam leaving finFebruary 1979 105 $100PeanutNo7 Capt Page 5] Curtiss XF6C-6 MODERNISTIC MODELS PO BOX 6974 ALBUQ NM 87197 REPLA-TECHDIr JINTFRNATIONAL INC MC KENZIE HWY PLANS VIDA OREGON 974BB APRIL 67&8 9 FRIDAY9am 6pm SATURDAY9am 6pm SUNDAY9am 330 pm19 JOIN US FOR OUR SILVER ANNIVERSARY presented Weak Signals R/C Club 20 Box 5772 Toledo Ohio 43613 ished shell epoxy paper laminate easy way making thin cowling can easily redone event major crack-up See article Mold Easy Way July 1977 Model Aviation Trim cowling fit around windshield can opy attach small wood screws through cowling hardwood blocks cemented firewall along sides recessed thickness cowling Wings They made quite conven tional manner use hardwood leading edge called prevents nicks model lands tall dry weeds root ribs top bottom area struts attach planked 1/64 ply wood sold mostly wing skins use foam RC models lower sweptback wings contain pulley arrangement allows wings flex downward upon landing pulley simply two pieces telescoping aluminum tubing ce mented gussets other rotating freely over first pulley arrange ment will keep rubber bands hidden wing still apply tension keeping flying wires taut wing-tip lights made round dowels tapered sanded stream lined shape blunt end painted red green other Mix small portion 5-minute Hobbypoxy lay drop over red green end just suf ficient cover entire diameter Now hold tip light vertical position epoxy edge down Hobbypoxy will sag streamline shape crystal clear hardened making clear lens cover Cut slots plywood knock-off wing struts One-sixteenth hardwood dow els used pin wings fu selage extend through fuselage sheet thickness permit knock-off characteristics Tail Surfaces stabilizer rudder curved leading edge pieces made water-soaked balsa strips taped form until dry After assembly laminated leading edges ribs sanded down streamlined section important make stab rudder adjustable scale model method use small number 2-56 machine screw adjustors head screw soldered-on washer nut sandwiched both sides ply wood plate An additional nut wire loop soldered retain hardwood dowel can now travel up down per mits adjustment stab rudder extreme fuselage width required making two screw adjustors stab stab hinges two straight pins put through rear fuselage Cover completely trim stab three sides fuselage before assembling pins pushed through fuselage stab dowels added front through adjustor screws After assem bly seems correct complete covering bottom fuselage rudder sim ilar pivots hardwood dowel telescopes previously attached alum inum tubing fuselage bracing wires between stab rudder hold whole assembly together Flying Before attempt fly model would like make very important suggestion Cox Tee Dee 020 its integral gas tank will run almost three minutes full tank large 5 X 3 prop figured out tip ping plane approximately 120 degrees horizontal could put about third tank full squeeze bulb However 1976 Nationals must have eventually filled tank after two attempts takeoff consequently fly-away lost airplane Two weeks later through generous efforts local model clubs did retrieve model now fly tank filled two-thirds rubbery plug made Selastic Dow Comings bath-tub caulk im pervious fuel doesnt stick tank can removed carved down dimension will permit engine run desire heat contest now impossible over-fill tank model spite fly-away Nationals qualifying land ing approach points did win third place EAA award best home-built free flight gas category After previous 106 Model Aviation TWENTY- FIFTH ANNUAL RADIO CONTROL EXPOSITION CD 7leaf DUBRO KWIK- HINGIE SLOTTER FOR LARGE AND SMALL HINGES THE ONLY UNIVERSAL SLOTTING TOOL THAT NOT ONLY CENTERS BUT GUIDES YOUR BLADE FOR PERFECTLY ALIGNEDHINGE SLOTS EVERY TIME BLADE AND BLADE AND black oxided hardened steel blades fit neatly no 2 x-acto knife handle work conjunction handy alignment jig features 3 interchangeable snap-on guides Two large small leaf hinges drilling 3 stan dard size holes match type hinge choose use C BALSA PICKER PRODUCTS INCORPORATED Pur 480 Bonner Road Wauconda1 Illinois 60084 USA mentioned crack-up cardtable local contest model rebuilt took first place 1977 Canadian Nationals demonstrating smooth take off like other biplane very stable flight pattern hope also will build model enjoy flying much have would like hear FF Duration continued page 57 aspect ratio curvature airfoil section thickness airfoil section wing could restated wing layout air foil what Table 1 essentially doc uments real secrets glider performance rate Table 1 may used Interim Great Wonderful Nordic Design Oracle & State-Of-TheArt Determiner until next design trend comes along Speaking Which Speaking state of-the-art Nordics District V VicePresident Jim McNeill has some arty fact Jim has zoological assortment decorative tailschickens hippos etc see photo also noting bamboo tail boom Jim enjoys h flying reflected artful approach tails chicken doesnt work out Jim can always change eagle con dor performance peacock NFFS Nouncement National Free Flight Society gears already motion get proverbial act together 79 looked-forward-to efforts Society annual 12th annual year NFFS Symposium Na tional Free Flight Society now soliciting papers 1979 NFFS Symposium held 1979 Nats Papers will published 1979 Symposium volume whether author able present paper personally Nats Papers should cover some aspect science art free flight models including tech nical studies practical design engineer ing applied models new unusual model aircraft developments historical items Both indoor outdoor free-flight modeling developments included Please send proposed papers Mr Rob ert P Dodds Box 436 Rancho Santa Fe CA 92067 Send title proposed paper together abstract 200 words or complete paper available Abstracts should submitted soon possible NFFS Nouncement No 2 Another Societys annual efforts also associated Natssponsoring/conducting Nats Unofficial Events thought 7-Up responsible Although Unofficial Events program has become somewhat traditional Nats planning and/or announcement some events past have sometimes late loose non-existent Terry Rimert NFFS 1979 Nats Un official Events Director volunteer tempting prevent past mistakes Terry puts trying get some events lined up time let people know going have can prepare Im looking people sponsor events people run events Nats sooner find out what can better So far John Pond has told going have Old Time FF Friday Old Time Banquet Fri day night will try schedule NFFS events conflict Rubber Speed will again offer prize buck per mph winner Tentatively Rubber Speed will Tuesday need someone sponsor/run Helicopter Autogyro nithopter Jumbo Scale Thompson Tro phy Races Embryo Endurance ROW P-30 Cargo few others Volunteers interested aiding Terry event sponsor event director event worker whatever contact him 367 Orange Avenue Baldwin FL 32234 cant helper least consider fly ing events Unofficial some really neat challenging unique fun official North Northwest definitely no fun lose airplane wander around aim lessly woods looking com pass could excellent aid searching February 1979 107 r Cat No 216 195
Edition: Model Aviation - 1979/02
Page Numbers: 53, 54, 55, 105, 106, 107
an en place alf-A Lratiflg use si rbulence thor comi DIN tk r band s downward outward h r constructinti Iue con 10 navent trieu n bui over nd longerons 4 used balsa tug tne local fuselagejER two sides al length cross l o fuselage depart i-I mdl rear fus4 etc cutting cabin floor abin n sides m -in thici door outline mt pen After isoodi will appear toing wi realt ea nel mararoui im magazinesietho celluloid plywo p ins d seat ba NO OCR TEXT apologize have neglected new data engines intentional did neglect carburetors mufflers since such should covered separate complete article Winged World/Bowers continued page 52 barnstorming During golden age years flew air races Howard Pete made home-built aircraft re built bought airplanes such Waco 10 During operations meticu lously photographed plumbed measured recorded structural details now maintains data reference files flew old Northwest Airways using Laird Speedwings friend Speed Holman Canada bush flew Bellancas re mote areas Northwest Territories such trip Ned tells picking up load mining tools several dogs pregnant Eskimo woman Enroute encountering moderate turbulence suddenly attention grabbed loud crack followed ripping noise never felt much cold air dogs started barking expectant mother began have pains amid excitement Neds assessment damages determined Bel lancas fuselage fabric torn away just behind wing almost back fin flapping breeze able maintain flight next mining station landed relief repairs ever run Eskimo named Bellanca can guess came Kragness continued work airlines including old Transcontinen tal Western later TWA leaving special assignment took him pre-war Nazi Germany through out South America During period able fly foreign aircraft names soon become house hold words Just prior World War II called active duty Army Air Corps held reserve commission Coast Artillery first military flying began operations officer after looking log book pointed North American 0-47 field told him go out brush up bit military flying took him Panama flew odd balls combat tours P-40s B-24s Pacific later Muroc Dry Lake test flying engineering Just before war ended captured enemy aircraft brought Wright Field flight evaluation engineer ing studies Kragness deeply involved laughs recalls cident ramp Wright Field captured JU 88 flown Africa brass came out inspect new prize milling around plane under wings kicking tires doing what pilots see new ma chine Major got cockpit began examining switches arm ament panel guess couldnt read German Ned recalls soon loud bang hell broke loose Major thrown switch detonated sev eral explosive bolts under wing part emergency system used rid plane certain external armament loads Bits pieces schrapnel pep pering hell out brass under wing injured awarded Purple Heart After war Kragness left service joined CAA later FAA held positions respon sibility engineering research aviation law lure cockpit came too strong returned industry active flying engineering test pilot Hayes Aircraft later Lockheed During years Kragness owned sev eral airplanes all-time favorite old surplus Vultee Vibrator BT-13 flew fun seven years re markable choice pilot has flown several hundred types ranging Curtiss flying boat Spads Howard racers Lockheed Vegas P-38s FW 190s Constellations JU 52s modern day jets Kragness went back Government 1959 Although day day responsi bilities include active flying manages remain proficient two three different aircraft types flying Beech Sierra Cessna models Kragness still manages spend hours shop pro ducing beautiful models quality seem improve builds often think active modeler individual spends spare mo ment amid much ballyhoo flying field quality model whether built himself may no real concern him admirers Significant rolls can get fast fly-past super Macho X highly active mod elers needs expression satis fied through creativity Such producing replica aircraft has some special esthetic nostalgic appeal Krag ness example BT-13 owned has subject models improvement over its predecessor As true innovator Kragness has developed re markable techniques constructing mon ocoque fuselages has applied BT has developed another clever control systems model com pletely enclosed tail conesheer genius models have flown FF RC considerable success techniques being applied other sub jects Several techniques have subject magazine articles recognition Kragness varied activities have come frequent requests services consultant time time has represented Department Justice insurance firms several large legal firms litigation regarding aircraft accidents Kragness retirement has no allure will progression another career What plans future Well Ned says big grin think Ill just what neighbors neu tered tomcat Sam does continue consult ing also other things want goes such writing about aviation model planes structing flying Beechs Cessnas local airport plans pursue other hobbies photography music use wonderful collection ma chine tools Will provide satisfaction after active years aviation asked him No replied sure hell ofa lot models want build H iperbipe/Schobloher continued page 55 plans help shape styrofoam block carving shaping sandpaper block Sand direc tion prevent chunking Out styrofoam proper type styrofoam expanded-bead polystyrene type because readily dissolvable aromatic fluids Paint foam form coat Hobbypoxy formula #2 epoxy becomes tacky lay number pieces paper handiwipes cloth-like paper towel ing over coated form block Add another coat Hobbypoxy another layer toweling final coat epoxy dry sand down epoxy un til smooth holes paper toweling comes through add coats epoxy necessary ob tain smooth cowling best time prime finish spray painting cowling dry completely satisfied finish cowling pour gasoline inside gaso line will dissolve foam leaving finFebruary 1979 105 $100PeanutNo7 Capt Page 5] Curtiss XF6C-6 MODERNISTIC MODELS PO BOX 6974 ALBUQ NM 87197 REPLA-TECHDIr JINTFRNATIONAL INC MC KENZIE HWY PLANS VIDA OREGON 974BB APRIL 67&8 9 FRIDAY9am 6pm SATURDAY9am 6pm SUNDAY9am 330 pm19 JOIN US FOR OUR SILVER ANNIVERSARY presented Weak Signals R/C Club 20 Box 5772 Toledo Ohio 43613 ished shell epoxy paper laminate easy way making thin cowling can easily redone event major crack-up See article Mold Easy Way July 1977 Model Aviation Trim cowling fit around windshield can opy attach small wood screws through cowling hardwood blocks cemented firewall along sides recessed thickness cowling Wings They made quite conven tional manner use hardwood leading edge called prevents nicks model lands tall dry weeds root ribs top bottom area struts attach planked 1/64 ply wood sold mostly wing skins use foam RC models lower sweptback wings contain pulley arrangement allows wings flex downward upon landing pulley simply two pieces telescoping aluminum tubing ce mented gussets other rotating freely over first pulley arrange ment will keep rubber bands hidden wing still apply tension keeping flying wires taut wing-tip lights made round dowels tapered sanded stream lined shape blunt end painted red green other Mix small portion 5-minute Hobbypoxy lay drop over red green end just suf ficient cover entire diameter Now hold tip light vertical position epoxy edge down Hobbypoxy will sag streamline shape crystal clear hardened making clear lens cover Cut slots plywood knock-off wing struts One-sixteenth hardwood dow els used pin wings fu selage extend through fuselage sheet thickness permit knock-off characteristics Tail Surfaces stabilizer rudder curved leading edge pieces made water-soaked balsa strips taped form until dry After assembly laminated leading edges ribs sanded down streamlined section important make stab rudder adjustable scale model method use small number 2-56 machine screw adjustors head screw soldered-on washer nut sandwiched both sides ply wood plate An additional nut wire loop soldered retain hardwood dowel can now travel up down per mits adjustment stab rudder extreme fuselage width required making two screw adjustors stab stab hinges two straight pins put through rear fuselage Cover completely trim stab three sides fuselage before assembling pins pushed through fuselage stab dowels added front through adjustor screws After assem bly seems correct complete covering bottom fuselage rudder sim ilar pivots hardwood dowel telescopes previously attached alum inum tubing fuselage bracing wires between stab rudder hold whole assembly together Flying Before attempt fly model would like make very important suggestion Cox Tee Dee 020 its integral gas tank will run almost three minutes full tank large 5 X 3 prop figured out tip ping plane approximately 120 degrees horizontal could put about third tank full squeeze bulb However 1976 Nationals must have eventually filled tank after two attempts takeoff consequently fly-away lost airplane Two weeks later through generous efforts local model clubs did retrieve model now fly tank filled two-thirds rubbery plug made Selastic Dow Comings bath-tub caulk im pervious fuel doesnt stick tank can removed carved down dimension will permit engine run desire heat contest now impossible over-fill tank model spite fly-away Nationals qualifying land ing approach points did win third place EAA award best home-built free flight gas category After previous 106 Model Aviation TWENTY- FIFTH ANNUAL RADIO CONTROL EXPOSITION CD 7leaf DUBRO KWIK- HINGIE SLOTTER FOR LARGE AND SMALL HINGES THE ONLY UNIVERSAL SLOTTING TOOL THAT NOT ONLY CENTERS BUT GUIDES YOUR BLADE FOR PERFECTLY ALIGNEDHINGE SLOTS EVERY TIME BLADE AND BLADE AND black oxided hardened steel blades fit neatly no 2 x-acto knife handle work conjunction handy alignment jig features 3 interchangeable snap-on guides Two large small leaf hinges drilling 3 stan dard size holes match type hinge choose use C BALSA PICKER PRODUCTS INCORPORATED Pur 480 Bonner Road Wauconda1 Illinois 60084 USA mentioned crack-up cardtable local contest model rebuilt took first place 1977 Canadian Nationals demonstrating smooth take off like other biplane very stable flight pattern hope also will build model enjoy flying much have would like hear FF Duration continued page 57 aspect ratio curvature airfoil section thickness airfoil section wing could restated wing layout air foil what Table 1 essentially doc uments real secrets glider performance rate Table 1 may used Interim Great Wonderful Nordic Design Oracle & State-Of-TheArt Determiner until next design trend comes along Speaking Which Speaking state of-the-art Nordics District V VicePresident Jim McNeill has some arty fact Jim has zoological assortment decorative tailschickens hippos etc see photo also noting bamboo tail boom Jim enjoys h flying reflected artful approach tails chicken doesnt work out Jim can always change eagle con dor performance peacock NFFS Nouncement National Free Flight Society gears already motion get proverbial act together 79 looked-forward-to efforts Society annual 12th annual year NFFS Symposium Na tional Free Flight Society now soliciting papers 1979 NFFS Symposium held 1979 Nats Papers will published 1979 Symposium volume whether author able present paper personally Nats Papers should cover some aspect science art free flight models including tech nical studies practical design engineer ing applied models new unusual model aircraft developments historical items Both indoor outdoor free-flight modeling developments included Please send proposed papers Mr Rob ert P Dodds Box 436 Rancho Santa Fe CA 92067 Send title proposed paper together abstract 200 words or complete paper available Abstracts should submitted soon possible NFFS Nouncement No 2 Another Societys annual efforts also associated Natssponsoring/conducting Nats Unofficial Events thought 7-Up responsible Although Unofficial Events program has become somewhat traditional Nats planning and/or announcement some events past have sometimes late loose non-existent Terry Rimert NFFS 1979 Nats Un official Events Director volunteer tempting prevent past mistakes Terry puts trying get some events lined up time let people know going have can prepare Im looking people sponsor events people run events Nats sooner find out what can better So far John Pond has told going have Old Time FF Friday Old Time Banquet Fri day night will try schedule NFFS events conflict Rubber Speed will again offer prize buck per mph winner Tentatively Rubber Speed will Tuesday need someone sponsor/run Helicopter Autogyro nithopter Jumbo Scale Thompson Tro phy Races Embryo Endurance ROW P-30 Cargo few others Volunteers interested aiding Terry event sponsor event director event worker whatever contact him 367 Orange Avenue Baldwin FL 32234 cant helper least consider fly ing events Unofficial some really neat challenging unique fun official North Northwest definitely no fun lose airplane wander around aim lessly woods looking com pass could excellent aid searching February 1979 107 r Cat No 216 195
Edition: Model Aviation - 1979/02
Page Numbers: 53, 54, 55, 105, 106, 107
an en place alf-A Lratiflg use si rbulence thor comi DIN tk r band s downward outward h r constructinti Iue con 10 navent trieu n bui over nd longerons 4 used balsa tug tne local fuselagejER two sides al length cross l o fuselage depart i-I mdl rear fus4 etc cutting cabin floor abin n sides m -in thici door outline mt pen After isoodi will appear toing wi realt ea nel mararoui im magazinesietho celluloid plywo p ins d seat ba NO OCR TEXT apologize have neglected new data engines intentional did neglect carburetors mufflers since such should covered separate complete article Winged World/Bowers continued page 52 barnstorming During golden age years flew air races Howard Pete made home-built aircraft re built bought airplanes such Waco 10 During operations meticu lously photographed plumbed measured recorded structural details now maintains data reference files flew old Northwest Airways using Laird Speedwings friend Speed Holman Canada bush flew Bellancas re mote areas Northwest Territories such trip Ned tells picking up load mining tools several dogs pregnant Eskimo woman Enroute encountering moderate turbulence suddenly attention grabbed loud crack followed ripping noise never felt much cold air dogs started barking expectant mother began have pains amid excitement Neds assessment damages determined Bel lancas fuselage fabric torn away just behind wing almost back fin flapping breeze able maintain flight next mining station landed relief repairs ever run Eskimo named Bellanca can guess came Kragness continued work airlines including old Transcontinen tal Western later TWA leaving special assignment took him pre-war Nazi Germany through out South America During period able fly foreign aircraft names soon become house hold words Just prior World War II called active duty Army Air Corps held reserve commission Coast Artillery first military flying began operations officer after looking log book pointed North American 0-47 field told him go out brush up bit military flying took him Panama flew odd balls combat tours P-40s B-24s Pacific later Muroc Dry Lake test flying engineering Just before war ended captured enemy aircraft brought Wright Field flight evaluation engineer ing studies Kragness deeply involved laughs recalls cident ramp Wright Field captured JU 88 flown Africa brass came out inspect new prize milling around plane under wings kicking tires doing what pilots see new ma chine Major got cockpit began examining switches arm ament panel guess couldnt read German Ned recalls soon loud bang hell broke loose Major thrown switch detonated sev eral explosive bolts under wing part emergency system used rid plane certain external armament loads Bits pieces schrapnel pep pering hell out brass under wing injured awarded Purple Heart After war Kragness left service joined CAA later FAA held positions respon sibility engineering research aviation law lure cockpit came too strong returned industry active flying engineering test pilot Hayes Aircraft later Lockheed During years Kragness owned sev eral airplanes all-time favorite old surplus Vultee Vibrator BT-13 flew fun seven years re markable choice pilot has flown several hundred types ranging Curtiss flying boat Spads Howard racers Lockheed Vegas P-38s FW 190s Constellations JU 52s modern day jets Kragness went back Government 1959 Although day day responsi bilities include active flying manages remain proficient two three different aircraft types flying Beech Sierra Cessna models Kragness still manages spend hours shop pro ducing beautiful models quality seem improve builds often think active modeler individual spends spare mo ment amid much ballyhoo flying field quality model whether built himself may no real concern him admirers Significant rolls can get fast fly-past super Macho X highly active mod elers needs expression satis fied through creativity Such producing replica aircraft has some special esthetic nostalgic appeal Krag ness example BT-13 owned has subject models improvement over its predecessor As true innovator Kragness has developed re markable techniques constructing mon ocoque fuselages has applied BT has developed another clever control systems model com pletely enclosed tail conesheer genius models have flown FF RC considerable success techniques being applied other sub jects Several techniques have subject magazine articles recognition Kragness varied activities have come frequent requests services consultant time time has represented Department Justice insurance firms several large legal firms litigation regarding aircraft accidents Kragness retirement has no allure will progression another career What plans future Well Ned says big grin think Ill just what neighbors neu tered tomcat Sam does continue consult ing also other things want goes such writing about aviation model planes structing flying Beechs Cessnas local airport plans pursue other hobbies photography music use wonderful collection ma chine tools Will provide satisfaction after active years aviation asked him No replied sure hell ofa lot models want build H iperbipe/Schobloher continued page 55 plans help shape styrofoam block carving shaping sandpaper block Sand direc tion prevent chunking Out styrofoam proper type styrofoam expanded-bead polystyrene type because readily dissolvable aromatic fluids Paint foam form coat Hobbypoxy formula #2 epoxy becomes tacky lay number pieces paper handiwipes cloth-like paper towel ing over coated form block Add another coat Hobbypoxy another layer toweling final coat epoxy dry sand down epoxy un til smooth holes paper toweling comes through add coats epoxy necessary ob tain smooth cowling best time prime finish spray painting cowling dry completely satisfied finish cowling pour gasoline inside gaso line will dissolve foam leaving finFebruary 1979 105 $100PeanutNo7 Capt Page 5] Curtiss XF6C-6 MODERNISTIC MODELS PO BOX 6974 ALBUQ NM 87197 REPLA-TECHDIr JINTFRNATIONAL INC MC KENZIE HWY PLANS VIDA OREGON 974BB APRIL 67&8 9 FRIDAY9am 6pm SATURDAY9am 6pm SUNDAY9am 330 pm19 JOIN US FOR OUR SILVER ANNIVERSARY presented Weak Signals R/C Club 20 Box 5772 Toledo Ohio 43613 ished shell epoxy paper laminate easy way making thin cowling can easily redone event major crack-up See article Mold Easy Way July 1977 Model Aviation Trim cowling fit around windshield can opy attach small wood screws through cowling hardwood blocks cemented firewall along sides recessed thickness cowling Wings They made quite conven tional manner use hardwood leading edge called prevents nicks model lands tall dry weeds root ribs top bottom area struts attach planked 1/64 ply wood sold mostly wing skins use foam RC models lower sweptback wings contain pulley arrangement allows wings flex downward upon landing pulley simply two pieces telescoping aluminum tubing ce mented gussets other rotating freely over first pulley arrange ment will keep rubber bands hidden wing still apply tension keeping flying wires taut wing-tip lights made round dowels tapered sanded stream lined shape blunt end painted red green other Mix small portion 5-minute Hobbypoxy lay drop over red green end just suf ficient cover entire diameter Now hold tip light vertical position epoxy edge down Hobbypoxy will sag streamline shape crystal clear hardened making clear lens cover Cut slots plywood knock-off wing struts One-sixteenth hardwood dow els used pin wings fu selage extend through fuselage sheet thickness permit knock-off characteristics Tail Surfaces stabilizer rudder curved leading edge pieces made water-soaked balsa strips taped form until dry After assembly laminated leading edges ribs sanded down streamlined section important make stab rudder adjustable scale model method use small number 2-56 machine screw adjustors head screw soldered-on washer nut sandwiched both sides ply wood plate An additional nut wire loop soldered retain hardwood dowel can now travel up down per mits adjustment stab rudder extreme fuselage width required making two screw adjustors stab stab hinges two straight pins put through rear fuselage Cover completely trim stab three sides fuselage before assembling pins pushed through fuselage stab dowels added front through adjustor screws After assem bly seems correct complete covering bottom fuselage rudder sim ilar pivots hardwood dowel telescopes previously attached alum inum tubing fuselage bracing wires between stab rudder hold whole assembly together Flying Before attempt fly model would like make very important suggestion Cox Tee Dee 020 its integral gas tank will run almost three minutes full tank large 5 X 3 prop figured out tip ping plane approximately 120 degrees horizontal could put about third tank full squeeze bulb However 1976 Nationals must have eventually filled tank after two attempts takeoff consequently fly-away lost airplane Two weeks later through generous efforts local model clubs did retrieve model now fly tank filled two-thirds rubbery plug made Selastic Dow Comings bath-tub caulk im pervious fuel doesnt stick tank can removed carved down dimension will permit engine run desire heat contest now impossible over-fill tank model spite fly-away Nationals qualifying land ing approach points did win third place EAA award best home-built free flight gas category After previous 106 Model Aviation TWENTY- FIFTH ANNUAL RADIO CONTROL EXPOSITION CD 7leaf DUBRO KWIK- HINGIE SLOTTER FOR LARGE AND SMALL HINGES THE ONLY UNIVERSAL SLOTTING TOOL THAT NOT ONLY CENTERS BUT GUIDES YOUR BLADE FOR PERFECTLY ALIGNEDHINGE SLOTS EVERY TIME BLADE AND BLADE AND black oxided hardened steel blades fit neatly no 2 x-acto knife handle work conjunction handy alignment jig features 3 interchangeable snap-on guides Two large small leaf hinges drilling 3 stan dard size holes match type hinge choose use C BALSA PICKER PRODUCTS INCORPORATED Pur 480 Bonner Road Wauconda1 Illinois 60084 USA mentioned crack-up cardtable local contest model rebuilt took first place 1977 Canadian Nationals demonstrating smooth take off like other biplane very stable flight pattern hope also will build model enjoy flying much have would like hear FF Duration continued page 57 aspect ratio curvature airfoil section thickness airfoil section wing could restated wing layout air foil what Table 1 essentially doc uments real secrets glider performance rate Table 1 may used Interim Great Wonderful Nordic Design Oracle & State-Of-TheArt Determiner until next design trend comes along Speaking Which Speaking state of-the-art Nordics District V VicePresident Jim McNeill has some arty fact Jim has zoological assortment decorative tailschickens hippos etc see photo also noting bamboo tail boom Jim enjoys h flying reflected artful approach tails chicken doesnt work out Jim can always change eagle con dor performance peacock NFFS Nouncement National Free Flight Society gears already motion get proverbial act together 79 looked-forward-to efforts Society annual 12th annual year NFFS Symposium Na tional Free Flight Society now soliciting papers 1979 NFFS Symposium held 1979 Nats Papers will published 1979 Symposium volume whether author able present paper personally Nats Papers should cover some aspect science art free flight models including tech nical studies practical design engineer ing applied models new unusual model aircraft developments historical items Both indoor outdoor free-flight modeling developments included Please send proposed papers Mr Rob ert P Dodds Box 436 Rancho Santa Fe CA 92067 Send title proposed paper together abstract 200 words or complete paper available Abstracts should submitted soon possible NFFS Nouncement No 2 Another Societys annual efforts also associated Natssponsoring/conducting Nats Unofficial Events thought 7-Up responsible Although Unofficial Events program has become somewhat traditional Nats planning and/or announcement some events past have sometimes late loose non-existent Terry Rimert NFFS 1979 Nats Un official Events Director volunteer tempting prevent past mistakes Terry puts trying get some events lined up time let people know going have can prepare Im looking people sponsor events people run events Nats sooner find out what can better So far John Pond has told going have Old Time FF Friday Old Time Banquet Fri day night will try schedule NFFS events conflict Rubber Speed will again offer prize buck per mph winner Tentatively Rubber Speed will Tuesday need someone sponsor/run Helicopter Autogyro nithopter Jumbo Scale Thompson Tro phy Races Embryo Endurance ROW P-30 Cargo few others Volunteers interested aiding Terry event sponsor event director event worker whatever contact him 367 Orange Avenue Baldwin FL 32234 cant helper least consider fly ing events Unofficial some really neat challenging unique fun official North Northwest definitely no fun lose airplane wander around aim lessly woods looking com pass could excellent aid searching February 1979 107 r Cat No 216 195
Edition: Model Aviation - 1979/02
Page Numbers: 53, 54, 55, 105, 106, 107
an en place alf-A Lratiflg use si rbulence thor comi DIN tk r band s downward outward h r constructinti Iue con 10 navent trieu n bui over nd longerons 4 used balsa tug tne local fuselagejER two sides al length cross l o fuselage depart i-I mdl rear fus4 etc cutting cabin floor abin n sides m -in thici door outline mt pen After isoodi will appear toing wi realt ea nel mararoui im magazinesietho celluloid plywo p ins d seat ba NO OCR TEXT apologize have neglected new data engines intentional did neglect carburetors mufflers since such should covered separate complete article Winged World/Bowers continued page 52 barnstorming During golden age years flew air races Howard Pete made home-built aircraft re built bought airplanes such Waco 10 During operations meticu lously photographed plumbed measured recorded structural details now maintains data reference files flew old Northwest Airways using Laird Speedwings friend Speed Holman Canada bush flew Bellancas re mote areas Northwest Territories such trip Ned tells picking up load mining tools several dogs pregnant Eskimo woman Enroute encountering moderate turbulence suddenly attention grabbed loud crack followed ripping noise never felt much cold air dogs started barking expectant mother began have pains amid excitement Neds assessment damages determined Bel lancas fuselage fabric torn away just behind wing almost back fin flapping breeze able maintain flight next mining station landed relief repairs ever run Eskimo named Bellanca can guess came Kragness continued work airlines including old Transcontinen tal Western later TWA leaving special assignment took him pre-war Nazi Germany through out South America During period able fly foreign aircraft names soon become house hold words Just prior World War II called active duty Army Air Corps held reserve commission Coast Artillery first military flying began operations officer after looking log book pointed North American 0-47 field told him go out brush up bit military flying took him Panama flew odd balls combat tours P-40s B-24s Pacific later Muroc Dry Lake test flying engineering Just before war ended captured enemy aircraft brought Wright Field flight evaluation engineer ing studies Kragness deeply involved laughs recalls cident ramp Wright Field captured JU 88 flown Africa brass came out inspect new prize milling around plane under wings kicking tires doing what pilots see new ma chine Major got cockpit began examining switches arm ament panel guess couldnt read German Ned recalls soon loud bang hell broke loose Major thrown switch detonated sev eral explosive bolts under wing part emergency system used rid plane certain external armament loads Bits pieces schrapnel pep pering hell out brass under wing injured awarded Purple Heart After war Kragness left service joined CAA later FAA held positions respon sibility engineering research aviation law lure cockpit came too strong returned industry active flying engineering test pilot Hayes Aircraft later Lockheed During years Kragness owned sev eral airplanes all-time favorite old surplus Vultee Vibrator BT-13 flew fun seven years re markable choice pilot has flown several hundred types ranging Curtiss flying boat Spads Howard racers Lockheed Vegas P-38s FW 190s Constellations JU 52s modern day jets Kragness went back Government 1959 Although day day responsi bilities include active flying manages remain proficient two three different aircraft types flying Beech Sierra Cessna models Kragness still manages spend hours shop pro ducing beautiful models quality seem improve builds often think active modeler individual spends spare mo ment amid much ballyhoo flying field quality model whether built himself may no real concern him admirers Significant rolls can get fast fly-past super Macho X highly active mod elers needs expression satis fied through creativity Such producing replica aircraft has some special esthetic nostalgic appeal Krag ness example BT-13 owned has subject models improvement over its predecessor As true innovator Kragness has developed re markable techniques constructing mon ocoque fuselages has applied BT has developed another clever control systems model com pletely enclosed tail conesheer genius models have flown FF RC considerable success techniques being applied other sub jects Several techniques have subject magazine articles recognition Kragness varied activities have come frequent requests services consultant time time has represented Department Justice insurance firms several large legal firms litigation regarding aircraft accidents Kragness retirement has no allure will progression another career What plans future Well Ned says big grin think Ill just what neighbors neu tered tomcat Sam does continue consult ing also other things want goes such writing about aviation model planes structing flying Beechs Cessnas local airport plans pursue other hobbies photography music use wonderful collection ma chine tools Will provide satisfaction after active years aviation asked him No replied sure hell ofa lot models want build H iperbipe/Schobloher continued page 55 plans help shape styrofoam block carving shaping sandpaper block Sand direc tion prevent chunking Out styrofoam proper type styrofoam expanded-bead polystyrene type because readily dissolvable aromatic fluids Paint foam form coat Hobbypoxy formula #2 epoxy becomes tacky lay number pieces paper handiwipes cloth-like paper towel ing over coated form block Add another coat Hobbypoxy another layer toweling final coat epoxy dry sand down epoxy un til smooth holes paper toweling comes through add coats epoxy necessary ob tain smooth cowling best time prime finish spray painting cowling dry completely satisfied finish cowling pour gasoline inside gaso line will dissolve foam leaving finFebruary 1979 105 $100PeanutNo7 Capt Page 5] Curtiss XF6C-6 MODERNISTIC MODELS PO BOX 6974 ALBUQ NM 87197 REPLA-TECHDIr JINTFRNATIONAL INC MC KENZIE HWY PLANS VIDA OREGON 974BB APRIL 67&8 9 FRIDAY9am 6pm SATURDAY9am 6pm SUNDAY9am 330 pm19 JOIN US FOR OUR SILVER ANNIVERSARY presented Weak Signals R/C Club 20 Box 5772 Toledo Ohio 43613 ished shell epoxy paper laminate easy way making thin cowling can easily redone event major crack-up See article Mold Easy Way July 1977 Model Aviation Trim cowling fit around windshield can opy attach small wood screws through cowling hardwood blocks cemented firewall along sides recessed thickness cowling Wings They made quite conven tional manner use hardwood leading edge called prevents nicks model lands tall dry weeds root ribs top bottom area struts attach planked 1/64 ply wood sold mostly wing skins use foam RC models lower sweptback wings contain pulley arrangement allows wings flex downward upon landing pulley simply two pieces telescoping aluminum tubing ce mented gussets other rotating freely over first pulley arrange ment will keep rubber bands hidden wing still apply tension keeping flying wires taut wing-tip lights made round dowels tapered sanded stream lined shape blunt end painted red green other Mix small portion 5-minute Hobbypoxy lay drop over red green end just suf ficient cover entire diameter Now hold tip light vertical position epoxy edge down Hobbypoxy will sag streamline shape crystal clear hardened making clear lens cover Cut slots plywood knock-off wing struts One-sixteenth hardwood dow els used pin wings fu selage extend through fuselage sheet thickness permit knock-off characteristics Tail Surfaces stabilizer rudder curved leading edge pieces made water-soaked balsa strips taped form until dry After assembly laminated leading edges ribs sanded down streamlined section important make stab rudder adjustable scale model method use small number 2-56 machine screw adjustors head screw soldered-on washer nut sandwiched both sides ply wood plate An additional nut wire loop soldered retain hardwood dowel can now travel up down per mits adjustment stab rudder extreme fuselage width required making two screw adjustors stab stab hinges two straight pins put through rear fuselage Cover completely trim stab three sides fuselage before assembling pins pushed through fuselage stab dowels added front through adjustor screws After assem bly seems correct complete covering bottom fuselage rudder sim ilar pivots hardwood dowel telescopes previously attached alum inum tubing fuselage bracing wires between stab rudder hold whole assembly together Flying Before attempt fly model would like make very important suggestion Cox Tee Dee 020 its integral gas tank will run almost three minutes full tank large 5 X 3 prop figured out tip ping plane approximately 120 degrees horizontal could put about third tank full squeeze bulb However 1976 Nationals must have eventually filled tank after two attempts takeoff consequently fly-away lost airplane Two weeks later through generous efforts local model clubs did retrieve model now fly tank filled two-thirds rubbery plug made Selastic Dow Comings bath-tub caulk im pervious fuel doesnt stick tank can removed carved down dimension will permit engine run desire heat contest now impossible over-fill tank model spite fly-away Nationals qualifying land ing approach points did win third place EAA award best home-built free flight gas category After previous 106 Model Aviation TWENTY- FIFTH ANNUAL RADIO CONTROL EXPOSITION CD 7leaf DUBRO KWIK- HINGIE SLOTTER FOR LARGE AND SMALL HINGES THE ONLY UNIVERSAL SLOTTING TOOL THAT NOT ONLY CENTERS BUT GUIDES YOUR BLADE FOR PERFECTLY ALIGNEDHINGE SLOTS EVERY TIME BLADE AND BLADE AND black oxided hardened steel blades fit neatly no 2 x-acto knife handle work conjunction handy alignment jig features 3 interchangeable snap-on guides Two large small leaf hinges drilling 3 stan dard size holes match type hinge choose use C BALSA PICKER PRODUCTS INCORPORATED Pur 480 Bonner Road Wauconda1 Illinois 60084 USA mentioned crack-up cardtable local contest model rebuilt took first place 1977 Canadian Nationals demonstrating smooth take off like other biplane very stable flight pattern hope also will build model enjoy flying much have would like hear FF Duration continued page 57 aspect ratio curvature airfoil section thickness airfoil section wing could restated wing layout air foil what Table 1 essentially doc uments real secrets glider performance rate Table 1 may used Interim Great Wonderful Nordic Design Oracle & State-Of-TheArt Determiner until next design trend comes along Speaking Which Speaking state of-the-art Nordics District V VicePresident Jim McNeill has some arty fact Jim has zoological assortment decorative tailschickens hippos etc see photo also noting bamboo tail boom Jim enjoys h flying reflected artful approach tails chicken doesnt work out Jim can always change eagle con dor performance peacock NFFS Nouncement National Free Flight Society gears already motion get proverbial act together 79 looked-forward-to efforts Society annual 12th annual year NFFS Symposium Na tional Free Flight Society now soliciting papers 1979 NFFS Symposium held 1979 Nats Papers will published 1979 Symposium volume whether author able present paper personally Nats Papers should cover some aspect science art free flight models including tech nical studies practical design engineer ing applied models new unusual model aircraft developments historical items Both indoor outdoor free-flight modeling developments included Please send proposed papers Mr Rob ert P Dodds Box 436 Rancho Santa Fe CA 92067 Send title proposed paper together abstract 200 words or complete paper available Abstracts should submitted soon possible NFFS Nouncement No 2 Another Societys annual efforts also associated Natssponsoring/conducting Nats Unofficial Events thought 7-Up responsible Although Unofficial Events program has become somewhat traditional Nats planning and/or announcement some events past have sometimes late loose non-existent Terry Rimert NFFS 1979 Nats Un official Events Director volunteer tempting prevent past mistakes Terry puts trying get some events lined up time let people know going have can prepare Im looking people sponsor events people run events Nats sooner find out what can better So far John Pond has told going have Old Time FF Friday Old Time Banquet Fri day night will try schedule NFFS events conflict Rubber Speed will again offer prize buck per mph winner Tentatively Rubber Speed will Tuesday need someone sponsor/run Helicopter Autogyro nithopter Jumbo Scale Thompson Tro phy Races Embryo Endurance ROW P-30 Cargo few others Volunteers interested aiding Terry event sponsor event director event worker whatever contact him 367 Orange Avenue Baldwin FL 32234 cant helper least consider fly ing events Unofficial some really neat challenging unique fun official North Northwest definitely no fun lose airplane wander around aim lessly woods looking com pass could excellent aid searching February 1979 107 r Cat No 216 195
Edition: Model Aviation - 1979/02
Page Numbers: 53, 54, 55, 105, 106, 107
an en place alf-A Lratiflg use si rbulence thor comi DIN tk r band s downward outward h r constructinti Iue con 10 navent trieu n bui over nd longerons 4 used balsa tug tne local fuselagejER two sides al length cross l o fuselage depart i-I mdl rear fus4 etc cutting cabin floor abin n sides m -in thici door outline mt pen After isoodi will appear toing wi realt ea nel mararoui im magazinesietho celluloid plywo p ins d seat ba NO OCR TEXT apologize have neglected new data engines intentional did neglect carburetors mufflers since such should covered separate complete article Winged World/Bowers continued page 52 barnstorming During golden age years flew air races Howard Pete made home-built aircraft re built bought airplanes such Waco 10 During operations meticu lously photographed plumbed measured recorded structural details now maintains data reference files flew old Northwest Airways using Laird Speedwings friend Speed Holman Canada bush flew Bellancas re mote areas Northwest Territories such trip Ned tells picking up load mining tools several dogs pregnant Eskimo woman Enroute encountering moderate turbulence suddenly attention grabbed loud crack followed ripping noise never felt much cold air dogs started barking expectant mother began have pains amid excitement Neds assessment damages determined Bel lancas fuselage fabric torn away just behind wing almost back fin flapping breeze able maintain flight next mining station landed relief repairs ever run Eskimo named Bellanca can guess came Kragness continued work airlines including old Transcontinen tal Western later TWA leaving special assignment took him pre-war Nazi Germany through out South America During period able fly foreign aircraft names soon become house hold words Just prior World War II called active duty Army Air Corps held reserve commission Coast Artillery first military flying began operations officer after looking log book pointed North American 0-47 field told him go out brush up bit military flying took him Panama flew odd balls combat tours P-40s B-24s Pacific later Muroc Dry Lake test flying engineering Just before war ended captured enemy aircraft brought Wright Field flight evaluation engineer ing studies Kragness deeply involved laughs recalls cident ramp Wright Field captured JU 88 flown Africa brass came out inspect new prize milling around plane under wings kicking tires doing what pilots see new ma chine Major got cockpit began examining switches arm ament panel guess couldnt read German Ned recalls soon loud bang hell broke loose Major thrown switch detonated sev eral explosive bolts under wing part emergency system used rid plane certain external armament loads Bits pieces schrapnel pep pering hell out brass under wing injured awarded Purple Heart After war Kragness left service joined CAA later FAA held positions respon sibility engineering research aviation law lure cockpit came too strong returned industry active flying engineering test pilot Hayes Aircraft later Lockheed During years Kragness owned sev eral airplanes all-time favorite old surplus Vultee Vibrator BT-13 flew fun seven years re markable choice pilot has flown several hundred types ranging Curtiss flying boat Spads Howard racers Lockheed Vegas P-38s FW 190s Constellations JU 52s modern day jets Kragness went back Government 1959 Although day day responsi bilities include active flying manages remain proficient two three different aircraft types flying Beech Sierra Cessna models Kragness still manages spend hours shop pro ducing beautiful models quality seem improve builds often think active modeler individual spends spare mo ment amid much ballyhoo flying field quality model whether built himself may no real concern him admirers Significant rolls can get fast fly-past super Macho X highly active mod elers needs expression satis fied through creativity Such producing replica aircraft has some special esthetic nostalgic appeal Krag ness example BT-13 owned has subject models improvement over its predecessor As true innovator Kragness has developed re markable techniques constructing mon ocoque fuselages has applied BT has developed another clever control systems model com pletely enclosed tail conesheer genius models have flown FF RC considerable success techniques being applied other sub jects Several techniques have subject magazine articles recognition Kragness varied activities have come frequent requests services consultant time time has represented Department Justice insurance firms several large legal firms litigation regarding aircraft accidents Kragness retirement has no allure will progression another career What plans future Well Ned says big grin think Ill just what neighbors neu tered tomcat Sam does continue consult ing also other things want goes such writing about aviation model planes structing flying Beechs Cessnas local airport plans pursue other hobbies photography music use wonderful collection ma chine tools Will provide satisfaction after active years aviation asked him No replied sure hell ofa lot models want build H iperbipe/Schobloher continued page 55 plans help shape styrofoam block carving shaping sandpaper block Sand direc tion prevent chunking Out styrofoam proper type styrofoam expanded-bead polystyrene type because readily dissolvable aromatic fluids Paint foam form coat Hobbypoxy formula #2 epoxy becomes tacky lay number pieces paper handiwipes cloth-like paper towel ing over coated form block Add another coat Hobbypoxy another layer toweling final coat epoxy dry sand down epoxy un til smooth holes paper toweling comes through add coats epoxy necessary ob tain smooth cowling best time prime finish spray painting cowling dry completely satisfied finish cowling pour gasoline inside gaso line will dissolve foam leaving finFebruary 1979 105 $100PeanutNo7 Capt Page 5] Curtiss XF6C-6 MODERNISTIC MODELS PO BOX 6974 ALBUQ NM 87197 REPLA-TECHDIr JINTFRNATIONAL INC MC KENZIE HWY PLANS VIDA OREGON 974BB APRIL 67&8 9 FRIDAY9am 6pm SATURDAY9am 6pm SUNDAY9am 330 pm19 JOIN US FOR OUR SILVER ANNIVERSARY presented Weak Signals R/C Club 20 Box 5772 Toledo Ohio 43613 ished shell epoxy paper laminate easy way making thin cowling can easily redone event major crack-up See article Mold Easy Way July 1977 Model Aviation Trim cowling fit around windshield can opy attach small wood screws through cowling hardwood blocks cemented firewall along sides recessed thickness cowling Wings They made quite conven tional manner use hardwood leading edge called prevents nicks model lands tall dry weeds root ribs top bottom area struts attach planked 1/64 ply wood sold mostly wing skins use foam RC models lower sweptback wings contain pulley arrangement allows wings flex downward upon landing pulley simply two pieces telescoping aluminum tubing ce mented gussets other rotating freely over first pulley arrange ment will keep rubber bands hidden wing still apply tension keeping flying wires taut wing-tip lights made round dowels tapered sanded stream lined shape blunt end painted red green other Mix small portion 5-minute Hobbypoxy lay drop over red green end just suf ficient cover entire diameter Now hold tip light vertical position epoxy edge down Hobbypoxy will sag streamline shape crystal clear hardened making clear lens cover Cut slots plywood knock-off wing struts One-sixteenth hardwood dow els used pin wings fu selage extend through fuselage sheet thickness permit knock-off characteristics Tail Surfaces stabilizer rudder curved leading edge pieces made water-soaked balsa strips taped form until dry After assembly laminated leading edges ribs sanded down streamlined section important make stab rudder adjustable scale model method use small number 2-56 machine screw adjustors head screw soldered-on washer nut sandwiched both sides ply wood plate An additional nut wire loop soldered retain hardwood dowel can now travel up down per mits adjustment stab rudder extreme fuselage width required making two screw adjustors stab stab hinges two straight pins put through rear fuselage Cover completely trim stab three sides fuselage before assembling pins pushed through fuselage stab dowels added front through adjustor screws After assem bly seems correct complete covering bottom fuselage rudder sim ilar pivots hardwood dowel telescopes previously attached alum inum tubing fuselage bracing wires between stab rudder hold whole assembly together Flying Before attempt fly model would like make very important suggestion Cox Tee Dee 020 its integral gas tank will run almost three minutes full tank large 5 X 3 prop figured out tip ping plane approximately 120 degrees horizontal could put about third tank full squeeze bulb However 1976 Nationals must have eventually filled tank after two attempts takeoff consequently fly-away lost airplane Two weeks later through generous efforts local model clubs did retrieve model now fly tank filled two-thirds rubbery plug made Selastic Dow Comings bath-tub caulk im pervious fuel doesnt stick tank can removed carved down dimension will permit engine run desire heat contest now impossible over-fill tank model spite fly-away Nationals qualifying land ing approach points did win third place EAA award best home-built free flight gas category After previous 106 Model Aviation TWENTY- FIFTH ANNUAL RADIO CONTROL EXPOSITION CD 7leaf DUBRO KWIK- HINGIE SLOTTER FOR LARGE AND SMALL HINGES THE ONLY UNIVERSAL SLOTTING TOOL THAT NOT ONLY CENTERS BUT GUIDES YOUR BLADE FOR PERFECTLY ALIGNEDHINGE SLOTS EVERY TIME BLADE AND BLADE AND black oxided hardened steel blades fit neatly no 2 x-acto knife handle work conjunction handy alignment jig features 3 interchangeable snap-on guides Two large small leaf hinges drilling 3 stan dard size holes match type hinge choose use C BALSA PICKER PRODUCTS INCORPORATED Pur 480 Bonner Road Wauconda1 Illinois 60084 USA mentioned crack-up cardtable local contest model rebuilt took first place 1977 Canadian Nationals demonstrating smooth take off like other biplane very stable flight pattern hope also will build model enjoy flying much have would like hear FF Duration continued page 57 aspect ratio curvature airfoil section thickness airfoil section wing could restated wing layout air foil what Table 1 essentially doc uments real secrets glider performance rate Table 1 may used Interim Great Wonderful Nordic Design Oracle & State-Of-TheArt Determiner until next design trend comes along Speaking Which Speaking state of-the-art Nordics District V VicePresident Jim McNeill has some arty fact Jim has zoological assortment decorative tailschickens hippos etc see photo also noting bamboo tail boom Jim enjoys h flying reflected artful approach tails chicken doesnt work out Jim can always change eagle con dor performance peacock NFFS Nouncement National Free Flight Society gears already motion get proverbial act together 79 looked-forward-to efforts Society annual 12th annual year NFFS Symposium Na tional Free Flight Society now soliciting papers 1979 NFFS Symposium held 1979 Nats Papers will published 1979 Symposium volume whether author able present paper personally Nats Papers should cover some aspect science art free flight models including tech nical studies practical design engineer ing applied models new unusual model aircraft developments historical items Both indoor outdoor free-flight modeling developments included Please send proposed papers Mr Rob ert P Dodds Box 436 Rancho Santa Fe CA 92067 Send title proposed paper together abstract 200 words or complete paper available Abstracts should submitted soon possible NFFS Nouncement No 2 Another Societys annual efforts also associated Natssponsoring/conducting Nats Unofficial Events thought 7-Up responsible Although Unofficial Events program has become somewhat traditional Nats planning and/or announcement some events past have sometimes late loose non-existent Terry Rimert NFFS 1979 Nats Un official Events Director volunteer tempting prevent past mistakes Terry puts trying get some events lined up time let people know going have can prepare Im looking people sponsor events people run events Nats sooner find out what can better So far John Pond has told going have Old Time FF Friday Old Time Banquet Fri day night will try schedule NFFS events conflict Rubber Speed will again offer prize buck per mph winner Tentatively Rubber Speed will Tuesday need someone sponsor/run Helicopter Autogyro nithopter Jumbo Scale Thompson Tro phy Races Embryo Endurance ROW P-30 Cargo few others Volunteers interested aiding Terry event sponsor event director event worker whatever contact him 367 Orange Avenue Baldwin FL 32234 cant helper least consider fly ing events Unofficial some really neat challenging unique fun official North Northwest definitely no fun lose airplane wander around aim lessly woods looking com pass could excellent aid searching February 1979 107 r Cat No 216 195