Positively Presidential Its year AMA gets much presidential attention 1990 President Bush named September Sport Aviation Month also accepted prestigious award distinguished AMA member banner year AMA publicity U Bill Baker PRESIDENT GEORGE BUSH pre sented 1990 Sheldon Coleman Great Outdoors Award dinner hosted American Recreation Coalition ARC June 19 Washington DC David Humphreys ARC chairman board 12-year AMA member pre sented prestigious award presi dent recognition long-standing rec ord advocate recreation programs initiatives presentation speech Humphreys praised presidents commit ment protecting expanding Americas recreational opportunities fortunate indeed have president man personally committed outdoors outdoor rec reation also willing constantly fo cus talent energies long-term protection precious privilege Amer icans enjoy great outdoors Hum phreys said addressing over 400 recrea tion community leaders accepting award president spoke love great outdoors Time spent naturecamping hiking fishingfrees up mind restores soul makes memories Great Outdoors Award presented annually honor late Sheldon Cole man 1901-1988 longtime chairman Coleman Company Wichita KS Cole man devoted much time energy conservation causes including service Presidents Commission Americans Outdoors award commemorates Cole mans work honoring distinguished Americans personal efforts have en hanced opportunities Americans enjoy great outdoors selection com mittee includes former Tennessee Governor Lamar Alexander National Geographic So ciety Chairman Gilbert Grosvenor former Secretary Interior Donald Hodel Conservation Fund President Patrick Noo nan former Huffy Corporation Chairman Stuart Northrop American Wildlands Pres ident Sally Ranney US Forest Ser vice Chief Dale Robertson last years Great Outdoors Award winner Continued page 117 THE WHITE HOUSE WASHINGTON June 4 1990 am delighted take opportunity salute joining Sport Aviation Month sponsored National Aeronautic Association Sport aviation has always exciting fascinating aCtiVity Whether taking air powered aircraft glider model balloon parachute lure skies has captivated mankind throughout history continues draw hundreds thousands Americans sport aviation pure simple desire fly motivated brilliant Wright brothers Dayton Ohio conquer heavierthanair flight day sport flying continues prompt advances aircraft technology thus contributing aeronautical knowledge local national international air sport events held year under direction NAA inspire dreams flight young old alike events also have sparked interest young people seek careers aviation can proud being part Nations aviation heritage participation enthusiasm helping keep America first aviation aerospace Barbara joins wishing NAA member good flying 100 Model Aviation Above ARC American Recreation Coalition chairman president RViA Recreation Vehicie industry Association 12-year AMA member David Humphries right Sheidon Coleman Jr Coleman Co Wichita KS center present President Bush 1990 Sheldon Coleman Great Outdoors Award award com memorates late Sheldon Coleman honoring American enhances recreational opportunities others president selected because long-standing interest recreational issues Beiow AMA Director Marketing Geoff Styles right Assistant Director Marketing Blil Baker left seen RVIA special guest Cathy Duray represented AMA Great Outdoors Award dinner held Washington DC dinner attended Presi dent Bush key members administration Congress PO Box 299 Gonzales TX 78269 512 672-7023 F4U Sport Scale Corsair plus shipping spiral stability Gliders RC Sailplanes other major variable size location vertical stabi lizer would interesting test several airplanes plot required value 55 against vertical tail volume Details might include wing section used pro portions fuselage would enable designer identify major determi nants spiral stability outset dont foresee doing experiment myself sincerely encourage enterprising exper imenters modeling community give try Its worth pursuing might make respectable thesis great science proj ect Summary conclusions curved air flow over circling model affects mod els yaw pitch trim setting model will yaw outside pitch down circling effects quantified illustrated Figures 2 through 5 natural pitchdown consequent speedup circling increases spiral sta bility speedup allows spirally unstable airplanes become stable limited bank angle contrast spirally stable planes can trimmed fly slowly bank angle Spiral stability crucial both qual ity performance Sailplane flight Spiral instability introduces extra pilot ing task tends reduce concentra tion primary needs diminish ac tual performance plane Fully Sheeted Hardware Included Wing Span 72 Wing Area 875 Weight 9-11 lbs 90- 108 Two Stroke 120 Iour Stroke Engine egree Retracts 00 E Pneumatic Rotating Retracts 00 Letters Editor Continued page 12 model second attempt Scale Pica /6-scale Focke-Wulf 190 D9 powered K&B 61 engine flies great first Scale model P-s 1 Mus tang just beautiful rolled low altitude day Keep up good work guys James Teneskenz Virginia Beach VA Presidential/Baker Continued page 100 AMA Director Marketing Geoff Styles assistant Bill Baker represented AMA ARC-sponsored dinner attended numerous Bush administra tion officials congressmen ARC federation 100 organizations companies seeking expand qual ity quantity recreation choices America AMA has member sev eral years through affiliation kept informed about governmental activity could affect recreational pastimes cluding model aviation Humphreys addition serving ARC chairman also president Rec reation Vehicle Industry Association RVIA first vice-chairman Travel 65 LNUINtb Airplane Marine K&B FUELSK&B GLOW PLUGS 9 Blends4 Choices Matched Finish System tar BEST APPEARANCE K&B FIBERGLASS CLOTH K&B Micro-Balloons FILLER K&B SUPER POXY RESIN K&B SUPER FOXY THINNER K&B SUPER FOXY PRIMER K&B SUPER FOXY PAINT K&B MIXING CUPS Solid cast aluminum body weight appron 1 lb. Please designate strut length 1 yr warranty except crash damagel will fit Quarter Scale plane weight 1 1-25 lbs Industry Association TIA practic ing attorney Last year named RV dustry Executive Decade Despite responsibilities being Washington areas top association ex ecutives Humphreys finds time active model aviation competes numer ous club contests fun fly events year frequently flies during after noon field near office Weekends find him guiding Bud Light Laser through skies above private flying field near home Shepherdstown WV cites building flying repairing models excellent way relax un wind hectic schedule September proclaimed Sport Aviation Month President Bush addition ing ardent supporter recreation Presi dent Bush also has keen interest avia tion Encouraged National Aeronau tic Association NAA Federal Avia tion Administration FAA chief James Bu sey president named September Sport Aviation Month President Bush acknowledged impor tance sport aviation letter NAA ort flying continues prompt advances aircraft technology thus contributing aeronautical knowl edge AMAs Director Marketing Geoff Styles impressed presidents action Having President Bush publicly KRC PRE-BUILT G SHARK $2149S SEE YOUR HOBBY DEALER FIRST SEND STAMPED #10 ENVELOPE FOR INFO KINGS WAY RIG HOBBY SUPPLY 5559 RICHMOND HOUSTON TX 77056 DEALERS ONLY 1-800-621-7783 October 1990 117 GRAPHICS line stripes numbers letters stars & trimsheets individually die cut fuel resistant other Micro-thin too Red white rj yellow blue & black C0VERITE i L 420 Babylon Rd Horsham PA 19044 USA recognize importance air sports avi ation United States significant ac complishment NAA divisions individual members Styles commented AMA takes active role NAA re ceives benefits relationship includes assistance working fed eral agencies such FAA recogni tion Federation Aeronautique Interna tionale FAI organization di rect US participation international aero modeling activities NAA also recognizes records national modeling records Short Days/Kanyusik Continued page 103 thing encountered lady three children late tap dancing lessons car battery died helped jump battery kids trust got class Kids Minnesota dread making tap lessons Don waiting us hobby shop Hed come down snowmobile potbellied stove roaring hot cash register ready Now kind service lot hospitable 800 number Some folks ski skate snow-mobile ice fish winter months others build mod els friend uses winter building Glidersa 22-ft ship back An un usually rough winter predicted year Bobs planning 25-footer Hes bought lumber supplies Bob pur chases set plans scales up specs suit him building time winter built quartet models assembly-line style juggling P-s 1 Mar tin B-26 Boeing F-4-B-4 Zero Us ing epoxy such rate though devel oped allergy eyes ringed like owls throat painful week Finally forced stop building several years purge system re turned workshop past year kept projects shorter leash last model built before enlisting Navy Cleveland Cloudster vividly recall Free Flight days back McKeesport PA club Key stone Klippers flew out Five Fields near Renzie Park spent whole af ternoon cranking infernal GHQ hunk metal Never got pop out Ralph DeCecco built first Free Flight low-wingersa Pacemaker blueand-yellow wings Army Air Corps style model took off arced up left met ground like rainbow damage wasnt too severe Ralph had enough anyone gives half buck can have bought first Gas model day still have soft spot heart Pacemaker Hmnim be winter workshops cutting filing fitting gluing winters projects included Negotiator RC Modeler plans added Navy-style trimmings com pleted model Having always thought Sig Kaydet practical choice trainer threw works too Mankato Bald Eagles club Jerry prolific builders Hes punched out nearly dozen fliers him self plus couple nonbuilders Mike Stott Gary Endersbe process building several prototypes com mercial market Its sleek Zlin model great flier Mike former Control Line Scale World Champs US team member building skills show After winters building Mankatos mod elers prepare take air First comes spring ritual clearing flying site raking rolling picking rocks around us sights sounds open senses Blue skies swell cottony white clouds darkened now masses homing waterfowl over head honking harmonizing growls SuperTigres OS Maxes Enyas Models flit through air like young calves breaking out pens Jumping turning snorting rolling looping diving Knife-edges could almost etch sky Exhilarated pilots keep airplanes up till tanks run out fuel Maybe folks Dixie can get up us wintertime get licks come up bat Join us Frozen Tundra some tap dancing ice RC Giant Scale/de Vries Continued page 53 Hansen built prototype model its stun ner its months photos Dick also runs Hansen Scale Video 10807 SE Stacy Ct Portland OR 97266 tel 1503/653-2578 has two-hour tape featuring model tape includes construction radio engine installation flight tests Price tape $1995 plus $3 S&H Dick flew bird recent Too Gun meet Mesa AZ New friend Art Herschberger has generated bunch interest Giant P-61 Black Widows visited Colorado Springs recently got together big Sunday afternoon hangar-flying session upshot discussion Art has revised P-6t design substantially originally 82-in-span bird hes now working 100-in version powered two Fox 78s birdll have retracts flaps Wing panels outboard engine/rudder booms will removable facilitate transporta tion Art will use lots foam Art has touch Roger Brennom won RC Sport Scale Nats midSeventies mostly foam Black Widow will use similar building techniques Art plans document construction photographically Well keep advised progress fascinating twin-engined Giant project No column next month Nats coverage will fill space See again December sue MA 118 Model Aviation THE LEADER IN COMPETITION PROPELLERS NEW 4 CYCLE SERIES 100 THP DESIGN TAILORED HELICAL PITCH DEVELOPED TO GIVE MAXIMUM THRUST AT 4 CYCLE ENGINE RPM ALL THE LATEST TECHNIQUES USED ON OUR PRO SERIES 3 SEE BELOW DIA PITCH THP PRICE 1266/z77/28 136778 14677/8 1567 16678 PRO SERIES 3 RC PYLON RACING SERIES 500 DIA PITCHPRICE 7SN 5N 8I6778 SERIES 400C 866A777 9777 W WIDE BLADE EW EXTRA WIDE N NARROW Let snow fall wind sing like diva North Country modelers cozy NEW HIGH TECH AIRFOIL SECTION 10T020%INCREASE IN THRUST MFG OF SELECT HARD MAPLE WOOD WILL NOT FATIGUE LIKE SYNTHETICS FUEL PROOF HIGH LUSTER FINISH DIAPITCH PRICE 534 634 72833/456 8334568 84566/7 9456677A 1045667 106W8W* 106EW 114677/.7I78 IiSW 116EW 1167 124W 125W 1256 1366 1456 1556 164AN 16678
Edition: Model Aviation - 1990/10
Page Numbers: 100, 117, 118
Positively Presidential Its year AMA gets much presidential attention 1990 President Bush named September Sport Aviation Month also accepted prestigious award distinguished AMA member banner year AMA publicity U Bill Baker PRESIDENT GEORGE BUSH pre sented 1990 Sheldon Coleman Great Outdoors Award dinner hosted American Recreation Coalition ARC June 19 Washington DC David Humphreys ARC chairman board 12-year AMA member pre sented prestigious award presi dent recognition long-standing rec ord advocate recreation programs initiatives presentation speech Humphreys praised presidents commit ment protecting expanding Americas recreational opportunities fortunate indeed have president man personally committed outdoors outdoor rec reation also willing constantly fo cus talent energies long-term protection precious privilege Amer icans enjoy great outdoors Hum phreys said addressing over 400 recrea tion community leaders accepting award president spoke love great outdoors Time spent naturecamping hiking fishingfrees up mind restores soul makes memories Great Outdoors Award presented annually honor late Sheldon Cole man 1901-1988 longtime chairman Coleman Company Wichita KS Cole man devoted much time energy conservation causes including service Presidents Commission Americans Outdoors award commemorates Cole mans work honoring distinguished Americans personal efforts have en hanced opportunities Americans enjoy great outdoors selection com mittee includes former Tennessee Governor Lamar Alexander National Geographic So ciety Chairman Gilbert Grosvenor former Secretary Interior Donald Hodel Conservation Fund President Patrick Noo nan former Huffy Corporation Chairman Stuart Northrop American Wildlands Pres ident Sally Ranney US Forest Ser vice Chief Dale Robertson last years Great Outdoors Award winner Continued page 117 THE WHITE HOUSE WASHINGTON June 4 1990 am delighted take opportunity salute joining Sport Aviation Month sponsored National Aeronautic Association Sport aviation has always exciting fascinating aCtiVity Whether taking air powered aircraft glider model balloon parachute lure skies has captivated mankind throughout history continues draw hundreds thousands Americans sport aviation pure simple desire fly motivated brilliant Wright brothers Dayton Ohio conquer heavierthanair flight day sport flying continues prompt advances aircraft technology thus contributing aeronautical knowledge local national international air sport events held year under direction NAA inspire dreams flight young old alike events also have sparked interest young people seek careers aviation can proud being part Nations aviation heritage participation enthusiasm helping keep America first aviation aerospace Barbara joins wishing NAA member good flying 100 Model Aviation Above ARC American Recreation Coalition chairman president RViA Recreation Vehicie industry Association 12-year AMA member David Humphries right Sheidon Coleman Jr Coleman Co Wichita KS center present President Bush 1990 Sheldon Coleman Great Outdoors Award award com memorates late Sheldon Coleman honoring American enhances recreational opportunities others president selected because long-standing interest recreational issues Beiow AMA Director Marketing Geoff Styles right Assistant Director Marketing Blil Baker left seen RVIA special guest Cathy Duray represented AMA Great Outdoors Award dinner held Washington DC dinner attended Presi dent Bush key members administration Congress PO Box 299 Gonzales TX 78269 512 672-7023 F4U Sport Scale Corsair plus shipping spiral stability Gliders RC Sailplanes other major variable size location vertical stabi lizer would interesting test several airplanes plot required value 55 against vertical tail volume Details might include wing section used pro portions fuselage would enable designer identify major determi nants spiral stability outset dont foresee doing experiment myself sincerely encourage enterprising exper imenters modeling community give try Its worth pursuing might make respectable thesis great science proj ect Summary conclusions curved air flow over circling model affects mod els yaw pitch trim setting model will yaw outside pitch down circling effects quantified illustrated Figures 2 through 5 natural pitchdown consequent speedup circling increases spiral sta bility speedup allows spirally unstable airplanes become stable limited bank angle contrast spirally stable planes can trimmed fly slowly bank angle Spiral stability crucial both qual ity performance Sailplane flight Spiral instability introduces extra pilot ing task tends reduce concentra tion primary needs diminish ac tual performance plane Fully Sheeted Hardware Included Wing Span 72 Wing Area 875 Weight 9-11 lbs 90- 108 Two Stroke 120 Iour Stroke Engine egree Retracts 00 E Pneumatic Rotating Retracts 00 Letters Editor Continued page 12 model second attempt Scale Pica /6-scale Focke-Wulf 190 D9 powered K&B 61 engine flies great first Scale model P-s 1 Mus tang just beautiful rolled low altitude day Keep up good work guys James Teneskenz Virginia Beach VA Presidential/Baker Continued page 100 AMA Director Marketing Geoff Styles assistant Bill Baker represented AMA ARC-sponsored dinner attended numerous Bush administra tion officials congressmen ARC federation 100 organizations companies seeking expand qual ity quantity recreation choices America AMA has member sev eral years through affiliation kept informed about governmental activity could affect recreational pastimes cluding model aviation Humphreys addition serving ARC chairman also president Rec reation Vehicle Industry Association RVIA first vice-chairman Travel 65 LNUINtb Airplane Marine K&B FUELSK&B GLOW PLUGS 9 Blends4 Choices Matched Finish System tar BEST APPEARANCE K&B FIBERGLASS CLOTH K&B Micro-Balloons FILLER K&B SUPER POXY RESIN K&B SUPER FOXY THINNER K&B SUPER FOXY PRIMER K&B SUPER FOXY PAINT K&B MIXING CUPS Solid cast aluminum body weight appron 1 lb. Please designate strut length 1 yr warranty except crash damagel will fit Quarter Scale plane weight 1 1-25 lbs Industry Association TIA practic ing attorney Last year named RV dustry Executive Decade Despite responsibilities being Washington areas top association ex ecutives Humphreys finds time active model aviation competes numer ous club contests fun fly events year frequently flies during after noon field near office Weekends find him guiding Bud Light Laser through skies above private flying field near home Shepherdstown WV cites building flying repairing models excellent way relax un wind hectic schedule September proclaimed Sport Aviation Month President Bush addition ing ardent supporter recreation Presi dent Bush also has keen interest avia tion Encouraged National Aeronau tic Association NAA Federal Avia tion Administration FAA chief James Bu sey president named September Sport Aviation Month President Bush acknowledged impor tance sport aviation letter NAA ort flying continues prompt advances aircraft technology thus contributing aeronautical knowl edge AMAs Director Marketing Geoff Styles impressed presidents action Having President Bush publicly KRC PRE-BUILT G SHARK $2149S SEE YOUR HOBBY DEALER FIRST SEND STAMPED #10 ENVELOPE FOR INFO KINGS WAY RIG HOBBY SUPPLY 5559 RICHMOND HOUSTON TX 77056 DEALERS ONLY 1-800-621-7783 October 1990 117 GRAPHICS line stripes numbers letters stars & trimsheets individually die cut fuel resistant other Micro-thin too Red white rj yellow blue & black C0VERITE i L 420 Babylon Rd Horsham PA 19044 USA recognize importance air sports avi ation United States significant ac complishment NAA divisions individual members Styles commented AMA takes active role NAA re ceives benefits relationship includes assistance working fed eral agencies such FAA recogni tion Federation Aeronautique Interna tionale FAI organization di rect US participation international aero modeling activities NAA also recognizes records national modeling records Short Days/Kanyusik Continued page 103 thing encountered lady three children late tap dancing lessons car battery died helped jump battery kids trust got class Kids Minnesota dread making tap lessons Don waiting us hobby shop Hed come down snowmobile potbellied stove roaring hot cash register ready Now kind service lot hospitable 800 number Some folks ski skate snow-mobile ice fish winter months others build mod els friend uses winter building Glidersa 22-ft ship back An un usually rough winter predicted year Bobs planning 25-footer Hes bought lumber supplies Bob pur chases set plans scales up specs suit him building time winter built quartet models assembly-line style juggling P-s 1 Mar tin B-26 Boeing F-4-B-4 Zero Us ing epoxy such rate though devel oped allergy eyes ringed like owls throat painful week Finally forced stop building several years purge system re turned workshop past year kept projects shorter leash last model built before enlisting Navy Cleveland Cloudster vividly recall Free Flight days back McKeesport PA club Key stone Klippers flew out Five Fields near Renzie Park spent whole af ternoon cranking infernal GHQ hunk metal Never got pop out Ralph DeCecco built first Free Flight low-wingersa Pacemaker blueand-yellow wings Army Air Corps style model took off arced up left met ground like rainbow damage wasnt too severe Ralph had enough anyone gives half buck can have bought first Gas model day still have soft spot heart Pacemaker Hmnim be winter workshops cutting filing fitting gluing winters projects included Negotiator RC Modeler plans added Navy-style trimmings com pleted model Having always thought Sig Kaydet practical choice trainer threw works too Mankato Bald Eagles club Jerry prolific builders Hes punched out nearly dozen fliers him self plus couple nonbuilders Mike Stott Gary Endersbe process building several prototypes com mercial market Its sleek Zlin model great flier Mike former Control Line Scale World Champs US team member building skills show After winters building Mankatos mod elers prepare take air First comes spring ritual clearing flying site raking rolling picking rocks around us sights sounds open senses Blue skies swell cottony white clouds darkened now masses homing waterfowl over head honking harmonizing growls SuperTigres OS Maxes Enyas Models flit through air like young calves breaking out pens Jumping turning snorting rolling looping diving Knife-edges could almost etch sky Exhilarated pilots keep airplanes up till tanks run out fuel Maybe folks Dixie can get up us wintertime get licks come up bat Join us Frozen Tundra some tap dancing ice RC Giant Scale/de Vries Continued page 53 Hansen built prototype model its stun ner its months photos Dick also runs Hansen Scale Video 10807 SE Stacy Ct Portland OR 97266 tel 1503/653-2578 has two-hour tape featuring model tape includes construction radio engine installation flight tests Price tape $1995 plus $3 S&H Dick flew bird recent Too Gun meet Mesa AZ New friend Art Herschberger has generated bunch interest Giant P-61 Black Widows visited Colorado Springs recently got together big Sunday afternoon hangar-flying session upshot discussion Art has revised P-6t design substantially originally 82-in-span bird hes now working 100-in version powered two Fox 78s birdll have retracts flaps Wing panels outboard engine/rudder booms will removable facilitate transporta tion Art will use lots foam Art has touch Roger Brennom won RC Sport Scale Nats midSeventies mostly foam Black Widow will use similar building techniques Art plans document construction photographically Well keep advised progress fascinating twin-engined Giant project No column next month Nats coverage will fill space See again December sue MA 118 Model Aviation THE LEADER IN COMPETITION PROPELLERS NEW 4 CYCLE SERIES 100 THP DESIGN TAILORED HELICAL PITCH DEVELOPED TO GIVE MAXIMUM THRUST AT 4 CYCLE ENGINE RPM ALL THE LATEST TECHNIQUES USED ON OUR PRO SERIES 3 SEE BELOW DIA PITCH THP PRICE 1266/z77/28 136778 14677/8 1567 16678 PRO SERIES 3 RC PYLON RACING SERIES 500 DIA PITCHPRICE 7SN 5N 8I6778 SERIES 400C 866A777 9777 W WIDE BLADE EW EXTRA WIDE N NARROW Let snow fall wind sing like diva North Country modelers cozy NEW HIGH TECH AIRFOIL SECTION 10T020%INCREASE IN THRUST MFG OF SELECT HARD MAPLE WOOD WILL NOT FATIGUE LIKE SYNTHETICS FUEL PROOF HIGH LUSTER FINISH DIAPITCH PRICE 534 634 72833/456 8334568 84566/7 9456677A 1045667 106W8W* 106EW 114677/.7I78 IiSW 116EW 1167 124W 125W 1256 1366 1456 1556 164AN 16678
Edition: Model Aviation - 1990/10
Page Numbers: 100, 117, 118
Positively Presidential Its year AMA gets much presidential attention 1990 President Bush named September Sport Aviation Month also accepted prestigious award distinguished AMA member banner year AMA publicity U Bill Baker PRESIDENT GEORGE BUSH pre sented 1990 Sheldon Coleman Great Outdoors Award dinner hosted American Recreation Coalition ARC June 19 Washington DC David Humphreys ARC chairman board 12-year AMA member pre sented prestigious award presi dent recognition long-standing rec ord advocate recreation programs initiatives presentation speech Humphreys praised presidents commit ment protecting expanding Americas recreational opportunities fortunate indeed have president man personally committed outdoors outdoor rec reation also willing constantly fo cus talent energies long-term protection precious privilege Amer icans enjoy great outdoors Hum phreys said addressing over 400 recrea tion community leaders accepting award president spoke love great outdoors Time spent naturecamping hiking fishingfrees up mind restores soul makes memories Great Outdoors Award presented annually honor late Sheldon Cole man 1901-1988 longtime chairman Coleman Company Wichita KS Cole man devoted much time energy conservation causes including service Presidents Commission Americans Outdoors award commemorates Cole mans work honoring distinguished Americans personal efforts have en hanced opportunities Americans enjoy great outdoors selection com mittee includes former Tennessee Governor Lamar Alexander National Geographic So ciety Chairman Gilbert Grosvenor former Secretary Interior Donald Hodel Conservation Fund President Patrick Noo nan former Huffy Corporation Chairman Stuart Northrop American Wildlands Pres ident Sally Ranney US Forest Ser vice Chief Dale Robertson last years Great Outdoors Award winner Continued page 117 THE WHITE HOUSE WASHINGTON June 4 1990 am delighted take opportunity salute joining Sport Aviation Month sponsored National Aeronautic Association Sport aviation has always exciting fascinating aCtiVity Whether taking air powered aircraft glider model balloon parachute lure skies has captivated mankind throughout history continues draw hundreds thousands Americans sport aviation pure simple desire fly motivated brilliant Wright brothers Dayton Ohio conquer heavierthanair flight day sport flying continues prompt advances aircraft technology thus contributing aeronautical knowledge local national international air sport events held year under direction NAA inspire dreams flight young old alike events also have sparked interest young people seek careers aviation can proud being part Nations aviation heritage participation enthusiasm helping keep America first aviation aerospace Barbara joins wishing NAA member good flying 100 Model Aviation Above ARC American Recreation Coalition chairman president RViA Recreation Vehicie industry Association 12-year AMA member David Humphries right Sheidon Coleman Jr Coleman Co Wichita KS center present President Bush 1990 Sheldon Coleman Great Outdoors Award award com memorates late Sheldon Coleman honoring American enhances recreational opportunities others president selected because long-standing interest recreational issues Beiow AMA Director Marketing Geoff Styles right Assistant Director Marketing Blil Baker left seen RVIA special guest Cathy Duray represented AMA Great Outdoors Award dinner held Washington DC dinner attended Presi dent Bush key members administration Congress PO Box 299 Gonzales TX 78269 512 672-7023 F4U Sport Scale Corsair plus shipping spiral stability Gliders RC Sailplanes other major variable size location vertical stabi lizer would interesting test several airplanes plot required value 55 against vertical tail volume Details might include wing section used pro portions fuselage would enable designer identify major determi nants spiral stability outset dont foresee doing experiment myself sincerely encourage enterprising exper imenters modeling community give try Its worth pursuing might make respectable thesis great science proj ect Summary conclusions curved air flow over circling model affects mod els yaw pitch trim setting model will yaw outside pitch down circling effects quantified illustrated Figures 2 through 5 natural pitchdown consequent speedup circling increases spiral sta bility speedup allows spirally unstable airplanes become stable limited bank angle contrast spirally stable planes can trimmed fly slowly bank angle Spiral stability crucial both qual ity performance Sailplane flight Spiral instability introduces extra pilot ing task tends reduce concentra tion primary needs diminish ac tual performance plane Fully Sheeted Hardware Included Wing Span 72 Wing Area 875 Weight 9-11 lbs 90- 108 Two Stroke 120 Iour Stroke Engine egree Retracts 00 E Pneumatic Rotating Retracts 00 Letters Editor Continued page 12 model second attempt Scale Pica /6-scale Focke-Wulf 190 D9 powered K&B 61 engine flies great first Scale model P-s 1 Mus tang just beautiful rolled low altitude day Keep up good work guys James Teneskenz Virginia Beach VA Presidential/Baker Continued page 100 AMA Director Marketing Geoff Styles assistant Bill Baker represented AMA ARC-sponsored dinner attended numerous Bush administra tion officials congressmen ARC federation 100 organizations companies seeking expand qual ity quantity recreation choices America AMA has member sev eral years through affiliation kept informed about governmental activity could affect recreational pastimes cluding model aviation Humphreys addition serving ARC chairman also president Rec reation Vehicle Industry Association RVIA first vice-chairman Travel 65 LNUINtb Airplane Marine K&B FUELSK&B GLOW PLUGS 9 Blends4 Choices Matched Finish System tar BEST APPEARANCE K&B FIBERGLASS CLOTH K&B Micro-Balloons FILLER K&B SUPER POXY RESIN K&B SUPER FOXY THINNER K&B SUPER FOXY PRIMER K&B SUPER FOXY PAINT K&B MIXING CUPS Solid cast aluminum body weight appron 1 lb. Please designate strut length 1 yr warranty except crash damagel will fit Quarter Scale plane weight 1 1-25 lbs Industry Association TIA practic ing attorney Last year named RV dustry Executive Decade Despite responsibilities being Washington areas top association ex ecutives Humphreys finds time active model aviation competes numer ous club contests fun fly events year frequently flies during after noon field near office Weekends find him guiding Bud Light Laser through skies above private flying field near home Shepherdstown WV cites building flying repairing models excellent way relax un wind hectic schedule September proclaimed Sport Aviation Month President Bush addition ing ardent supporter recreation Presi dent Bush also has keen interest avia tion Encouraged National Aeronau tic Association NAA Federal Avia tion Administration FAA chief James Bu sey president named September Sport Aviation Month President Bush acknowledged impor tance sport aviation letter NAA ort flying continues prompt advances aircraft technology thus contributing aeronautical knowl edge AMAs Director Marketing Geoff Styles impressed presidents action Having President Bush publicly KRC PRE-BUILT G SHARK $2149S SEE YOUR HOBBY DEALER FIRST SEND STAMPED #10 ENVELOPE FOR INFO KINGS WAY RIG HOBBY SUPPLY 5559 RICHMOND HOUSTON TX 77056 DEALERS ONLY 1-800-621-7783 October 1990 117 GRAPHICS line stripes numbers letters stars & trimsheets individually die cut fuel resistant other Micro-thin too Red white rj yellow blue & black C0VERITE i L 420 Babylon Rd Horsham PA 19044 USA recognize importance air sports avi ation United States significant ac complishment NAA divisions individual members Styles commented AMA takes active role NAA re ceives benefits relationship includes assistance working fed eral agencies such FAA recogni tion Federation Aeronautique Interna tionale FAI organization di rect US participation international aero modeling activities NAA also recognizes records national modeling records Short Days/Kanyusik Continued page 103 thing encountered lady three children late tap dancing lessons car battery died helped jump battery kids trust got class Kids Minnesota dread making tap lessons Don waiting us hobby shop Hed come down snowmobile potbellied stove roaring hot cash register ready Now kind service lot hospitable 800 number Some folks ski skate snow-mobile ice fish winter months others build mod els friend uses winter building Glidersa 22-ft ship back An un usually rough winter predicted year Bobs planning 25-footer Hes bought lumber supplies Bob pur chases set plans scales up specs suit him building time winter built quartet models assembly-line style juggling P-s 1 Mar tin B-26 Boeing F-4-B-4 Zero Us ing epoxy such rate though devel oped allergy eyes ringed like owls throat painful week Finally forced stop building several years purge system re turned workshop past year kept projects shorter leash last model built before enlisting Navy Cleveland Cloudster vividly recall Free Flight days back McKeesport PA club Key stone Klippers flew out Five Fields near Renzie Park spent whole af ternoon cranking infernal GHQ hunk metal Never got pop out Ralph DeCecco built first Free Flight low-wingersa Pacemaker blueand-yellow wings Army Air Corps style model took off arced up left met ground like rainbow damage wasnt too severe Ralph had enough anyone gives half buck can have bought first Gas model day still have soft spot heart Pacemaker Hmnim be winter workshops cutting filing fitting gluing winters projects included Negotiator RC Modeler plans added Navy-style trimmings com pleted model Having always thought Sig Kaydet practical choice trainer threw works too Mankato Bald Eagles club Jerry prolific builders Hes punched out nearly dozen fliers him self plus couple nonbuilders Mike Stott Gary Endersbe process building several prototypes com mercial market Its sleek Zlin model great flier Mike former Control Line Scale World Champs US team member building skills show After winters building Mankatos mod elers prepare take air First comes spring ritual clearing flying site raking rolling picking rocks around us sights sounds open senses Blue skies swell cottony white clouds darkened now masses homing waterfowl over head honking harmonizing growls SuperTigres OS Maxes Enyas Models flit through air like young calves breaking out pens Jumping turning snorting rolling looping diving Knife-edges could almost etch sky Exhilarated pilots keep airplanes up till tanks run out fuel Maybe folks Dixie can get up us wintertime get licks come up bat Join us Frozen Tundra some tap dancing ice RC Giant Scale/de Vries Continued page 53 Hansen built prototype model its stun ner its months photos Dick also runs Hansen Scale Video 10807 SE Stacy Ct Portland OR 97266 tel 1503/653-2578 has two-hour tape featuring model tape includes construction radio engine installation flight tests Price tape $1995 plus $3 S&H Dick flew bird recent Too Gun meet Mesa AZ New friend Art Herschberger has generated bunch interest Giant P-61 Black Widows visited Colorado Springs recently got together big Sunday afternoon hangar-flying session upshot discussion Art has revised P-6t design substantially originally 82-in-span bird hes now working 100-in version powered two Fox 78s birdll have retracts flaps Wing panels outboard engine/rudder booms will removable facilitate transporta tion Art will use lots foam Art has touch Roger Brennom won RC Sport Scale Nats midSeventies mostly foam Black Widow will use similar building techniques Art plans document construction photographically Well keep advised progress fascinating twin-engined Giant project No column next month Nats coverage will fill space See again December sue MA 118 Model Aviation THE LEADER IN COMPETITION PROPELLERS NEW 4 CYCLE SERIES 100 THP DESIGN TAILORED HELICAL PITCH DEVELOPED TO GIVE MAXIMUM THRUST AT 4 CYCLE ENGINE RPM ALL THE LATEST TECHNIQUES USED ON OUR PRO SERIES 3 SEE BELOW DIA PITCH THP PRICE 1266/z77/28 136778 14677/8 1567 16678 PRO SERIES 3 RC PYLON RACING SERIES 500 DIA PITCHPRICE 7SN 5N 8I6778 SERIES 400C 866A777 9777 W WIDE BLADE EW EXTRA WIDE N NARROW Let snow fall wind sing like diva North Country modelers cozy NEW HIGH TECH AIRFOIL SECTION 10T020%INCREASE IN THRUST MFG OF SELECT HARD MAPLE WOOD WILL NOT FATIGUE LIKE SYNTHETICS FUEL PROOF HIGH LUSTER FINISH DIAPITCH PRICE 534 634 72833/456 8334568 84566/7 9456677A 1045667 106W8W* 106EW 114677/.7I78 IiSW 116EW 1167 124W 125W 1256 1366 1456 1556 164AN 16678