Author-designer Bill Evans displays pleas ing lines Winterhawk Has foam wing sheeted tail surfaces easy building WINTERHAWK combines strength tank flight characteristics bird prey combination de livers superior thermal time airframe longevity has goal say fellow fliers gee wont come down Winterhawk answer chief com plaint other fliers youve up hour about landing sol can use frequency Project Winterhawk undertaken deliver thermal craft several desir able qualities 1 Maximum flight time regardless lift conditionsaccomplished max imum-lift wing weight weight 16 Model Aviation Get line tension up before launch Use wing spar wing sheeted balsa either balsa plywood sheeting use glass cloth epoxy reinforce dihedral joints I/4S/Ir-BALSA LEADING EDGEN [v34][b18642320600]]1 -S32 ID ALUMINUM TUBE I/4 BALSA TIP RIB REQUIRED IF WINGS ARE .I/4 PLYWOOD RIBSHEETED WITH PLYWOODFDAM WING CORES COVERED WiTH BALSA SHEET-I/IBTHICK INBOARD I/2I/2HARDWOOD&I32THICK OTBOARDOTION COVER TIRWIMG WITH I/64 ThICK PLYWOOD 4 4 -3321DALUMINUM TUBE DIH CORAL DIAGRL2 NO SCALE DIHEDRAL GAGE K I4D1A DOWEL n 0 OL 00 Ill 00 0 o3 3/IBSHEET BALSA0 0 DIA MUSIC WIREELEVATOR ANDOL STABILIBER 3/32 DIA MUSIC WIRE00 00 CENTER SE Oti DIHEDRAL0OL SETTING WIRE TEMPLATES 00 __L LIGHTENING HOLES ARE PUNCHED IN WITH *ACTO I/2 DIA HOLE PUNCH 1 0 Ij IPLYIiPLYtPLY 3/I6SHEET BALSA0 CL IN AND RUDDER0 14 SHEET BALSATIP RIB CIRRUS CANOPY TURNEDI/43/BHARDWOOD MOUNTSWINGTIP HAS NERO WASHOUT END-FOR-ENDBALANCE POINT LONGERONS ARE I/rDIA DOWEL I/4SQUARE BALSA BRICK IirIl IKRAFT SPLICE BALSA SIDES & BOTTOM IF USING 3B SHEET FETQS& BOTTOM ADJUSTABLE TOW-HOOK YEDGE OF LIBPLYWOOD DOUBLER 9SCLE WING SPAN99 1/2 INCHES WING AREA 88250 IN STANDARD CLASS N/C SAILPLANE DESIGNED BY BILL EVANS WINTRRHAWK Al RIGHTS RESERVED %J FULL-SIZE PLANSAVAILABLE .. SEEPAGE 104 2 -b 0 ] 0 0 2 0 -Jo 0 CD -1 speed produce optimum lift 2 Airframe longevity since wing takes punishment high-impact almost indestructible fully-sheeted foam wing provided answer 3/16 sheet tail surfaces glass fuse Winterhawk has literally flown through trees cutting path clearing flying out other side testimony Dave Lloyd Daves Custom Models Glendale CA 3 Span exceed 100 inches actually 98 inches 4 Hands-off performance yet respon sive tested setting up climbing turn switching off transmitter Though majority Winterhawks built far have weighed just about four half pounds prefer fly just between five half six pounds 885 sq area gives 615 sq ft wing works out 12 15 oz per sq ft reaction wing loading too heavy glider skepticism would increase could pick up ship feel weight bets off after shoots up line first 10 minutes ticked off watch After first 60 minutes dis belief changes amazement knowledge flights Winterhawks have terminated pilots discre tion Winterhawk pilots have de veloped stiff necks getting feeling have completely mastered silent flight after turning flight after flight hour Design Considerations Though nose tail moments play important part super critical few minor weight CG calculations yielded sat isfactory ratios Having flown free flight was fly years ago care count have few favorite percentages comes airfoil thickness So after considerable plotting fussing airfoil emerged looked very good wing load ing took 180-degree turn conven tion free flight ship should light loaded down stopping just over 5 pounds check-out flight turned time 55 minutes landed Winterhawk cause darkness Subsequent flights hour plus case terminated command first Winterhawk built 1/16 balsa-sheeted inboard panels 1/32 out board panels three wing joints epoxied use glass out spar After several near full-up eleva tor launches managed fold right wing panel about four inches out root right wing panel parted company ship just over 600 feet bit help large elevator rudder managed somewhat soften ground contact just before impact Repair wing using epoxy took about 30 minutes except few splits wood fuselage Subsequent balsa sheeted wings have included main spar shown plans However recommend 1/64 ply wood ultimate answer weight difference between balsa ply small 34 ounces balsa 36 ounces ply fascination hold Winterhawk unique its experience shared spoken Winterhawk pilots Since have principally devoted majority efforts design slope gliders flying wings sincere pleasure offer Win terhawk truly exceptional soaring craft Material List 121/16 X 4 X 36 10 1/32 X 4 X 36 equivalent 1/64 ply 13/16 X 3 X 362 3/16 x 4 x 36 5/8 X 3 X36 l2 X 3 X 3 block 1 sheet /s ply 18 Model Aviation Removing canopy ICirrus turned around makes easy access radio gear Battery usual goes front balanceand keep delicate items out way hopefully few cases inertia does its work Fiberglass fuselages foam wings available Initial success inspired whole fleet Winterhawks Though sailplane comes Out naturally about 4-1/2 lbs. Evans prefers ballast 5-1/2-6 lbs 12-15 os per sq ft loading Winterhawk foam cores available $1000 including shipping CA res idents add 6% Soaring Research 19216 Calvert St Reseda CA 91335 also can supply 1/64 plywood Win terhawk wing sheeting $1000 epoxy-fiberglass fuselage $3000 Construction As can see plans KISS keep simple stupid con struction principle used following construction sequence will helpful building time-saver Cut white-glue balsa leading edges wing cores set aside dry Cut out fuselage parts sides bot tom top doublers formers nose block White-glue fuselage doublers fuse sides making sure make Con tinjpd nn nab RR 3/16 sheet balsa tail surfaces make easy constructionlightening holes easy put Aacto noie ouncn suuesLuu Winterhawk employs KISS lkeep simple stupidl construction principle Authors plane Pontiac Firebird decal DJ Multistripes nifty trim -uW w FIRSI AROUND IH[ WORLD DOUGLAS WORLD CRUIS[R 1 72 SCALE PLASTIC MODEL KIT During 1 924 history-making Douglas World Cruisers made first around world flight Covering some 27553 miles epic voyage lasted 1 75 days Now can construct highly-detailed model famous aircraft KIT FEATURES WHEELS AND PONTOONS DECALS TO ALLOW FINISHING MODEL AS ANY ONE OF FIVE DIFFERENT AIRCRAFT TLE AGO ON NEW ORLEANS ON II $495 dealer direct adding 15% postage handling Send 5Q complete illustrated catalog DEPT AWdS 181 PAWNEE ST SAN MARCOS CA 92069 EROS counted record purposes situa tion would seem indicate record dependent upon modeler skills also upon quality competition resulting number fly-off rounds Could please explain situation William G Carson Quantico VA Fly-offs counted FF national records such Mulvikill quality competition isnt necessarily fac tor high figuressuch 68 mm 54 sec reason guy can keep going record purposes until misses max flighteven competi tion dropped out severaiflights back Wi nterhawklEvans continued page 19 right left side raise doub ler bottom edge fuse side allow fuse bottom fit between balsa sides below doubler Let dry Cut out trim sand 3/16 tail sur faces being sure cut lightening holes surfaces per plan Xacto makes punch can used drill ideal purpose Glue fuse parts together first pinning fuse bottom down flat surface glue pin sides corner squares formers rear top nose block Let dry Trim sand leading edges wing panels sheeting will fit neatly Cut wing sheeting size contact-cement sheeting cores using good waterbase contact cement Ep oxy wing panels together using 5-minute epoxy Set dihedral per plans may elect join wing halves using tubing wire should point generally make one-piece wing canopy made large Cirrus canopy turned end end Use Zap Zap filler secure canopy base After sanding fuselage other parts use favorite covering material install radio linkage trim original included small Pon tiac Firebird decal local Pontiac dealer parts epoxy paint DJ Multistripes product review product review product review Scale Drawings Catalogue Known large accurate beautifully drawn scale views Morrison Repla-Tech has added significant number exciting aircraft long list announces $100 total cost special catalogues covering ships aircraft RC Hirsch race-plane drawings later year brand-new RC flying model plans catalogue Morrison Repla-Tech 48500 McKenzie Highway Vida OR 97488 product review product review product review K LET US KNOW WHERE YOU ARE GOINGS move please let us know advancesix weeks re quired change address Attach current MA mailing label check appropriate box mail Subscription Dept Model Aviation 815 Fifteenth St. NW. Washington DC. 20005 COMPLETE THIS FORM AND ATTACH MAILING LABEL FROM RECENT ISSUE Check appropriate boxenclose payment 0 NEW SuBSCRIPTION 0 cHANGE OF ADDRESS Non-AMA subscription rates $1200 12 months Canada United States possession elsewhere $1400 NIAM F RC Scale/Wischers continued page 21 load before stretched Always wind extra turns used forming hooks Some airplanes have springs con nected directly usual applica tions have springs hooked rud der arm joined fork steer ing arm short lengths cable chain latter being common have searched authentic appearing chain stamped link type size small enough models have pro duce own last resort tiny links made thin hard aluminum chain being reproduced has links punched flat metal formed double thickness during assembly next link Houses double-hung windows use type chain sash counterweightsknown sash chain chain used tail wheels similar heavier chain small irregularly shaped holes punched using tool ground filed proper shape Using lead block anvil die holes punched aluminum first external shape link cut around holes scissors tedious re sulting chain appears authentic remarkably strong Although may seem exces sively laborious process create small amount authenticity finished re sult worth effort addition 88 Model Aviation ADDRESS CITY/STATE ____________________________________________ ZIP _______________ MODEL AVIATION 815 FIFTEENTH ST. NW. WASHINGTON DC 20005 FlyIng Near Airports Carefull Free Flight Radio Control Flying near airpofla situation might involve possibility models being vIcinity ot full-scale aircraft operationa muat avoidedor conducted eliminate dangerous situations Models should flown proximity fuli-scale aircraft operations unless flyer has someone else him sole purpose watching full-scale aircraft supervising flying prevent accident possibilities PROTECT YOUR RiGHT TO FLY Sale Flying No Accident appearance factor plane very pos itively controlled taxiing well during takeoff landing looks right functions intended Jerry Farr comes word Fifth Annual Scale Championships Abilene Texas two-day event fun fly Saturday AMA Scale Sun day June 10th 11th Contest includes free flight gas rubber peanut U-control sport RC sport RC jumbo sport e 80 minimum RC sport formation write Jerry Farr 2802 Rob ertson Dr Abilene Texas 79606 Bob Wischer Rt 1 S-221 Lapham Peak Road Delafield WI 53018 RC Aerobatics/VanPutte continued page 22 isnt available surface can job supposed second advantage using poly urethane varnish mentioned briefly Foam Techniques Part 3 varnish coatings provide double vapor barrier against harmful solvents protects foam against Very little weight added using polyurethane varnish think its well worth Speaking ideas Dan Befus edits KMAC Newsletter up Kalamazoo Michigan published following short article almost us can benefit women golly summer Im going teach wife fly Summer 42 still thinks hammerhead stall place keep retired sharks seems women fascinated product review product review product review Ball Wrench Set Fitting 4-40 6-32 socket head bolts heat-treated alloy steel ball driv ers lead cap screw head gle Price $395 Six-in Allen wrenches 44-40 6-32 socket head bolts also available two 98c Du-Bro Products Inc 480 Bon ner Rd Wauconde IL 60084 product review product review product review model aviation sport includes such variety skills could appeal almost anyone few women pilots Perhaps have ignored some subtle hints like timely pur chase official Amelia Earhart leather flight jacket Just because says doesnt want could means testing see really trust airplane am chief violator year ago young lady arent asked could fly plane said OK proceeded explain tricky expensive fragile airplane Needless say rattled bit backed down kept giving half-hearted Aw Cmon has never flown date Incidentally precious expensive plane Midwest foam Car dinal looked like built San ford Son trust women children family car think somehow world RC bit too much flatter ourselves thusly Sure bound crashes What else new summers end flying field garbage can looked like Columbian balsa forest after visit Paul Bunyan need women hobby creativity artistic sixth sense patience . Perhaps time made honest effort share piece selves themcontinued May1978 89
Edition: Model Aviation - 1978/05
Page Numbers: 16, 17, 18, 19, 88, 89
Author-designer Bill Evans displays pleas ing lines Winterhawk Has foam wing sheeted tail surfaces easy building WINTERHAWK combines strength tank flight characteristics bird prey combination de livers superior thermal time airframe longevity has goal say fellow fliers gee wont come down Winterhawk answer chief com plaint other fliers youve up hour about landing sol can use frequency Project Winterhawk undertaken deliver thermal craft several desir able qualities 1 Maximum flight time regardless lift conditionsaccomplished max imum-lift wing weight weight 16 Model Aviation Get line tension up before launch Use wing spar wing sheeted balsa either balsa plywood sheeting use glass cloth epoxy reinforce dihedral joints I/4S/Ir-BALSA LEADING EDGEN [v34][b18642320600]]1 -S32 ID ALUMINUM TUBE I/4 BALSA TIP RIB REQUIRED IF WINGS ARE .I/4 PLYWOOD RIBSHEETED WITH PLYWOODFDAM WING CORES COVERED WiTH BALSA SHEET-I/IBTHICK INBOARD I/2I/2HARDWOOD&I32THICK OTBOARDOTION COVER TIRWIMG WITH I/64 ThICK PLYWOOD 4 4 -3321DALUMINUM TUBE DIH CORAL DIAGRL2 NO SCALE DIHEDRAL GAGE K I4D1A DOWEL n 0 OL 00 Ill 00 0 o3 3/IBSHEET BALSA0 0 DIA MUSIC WIREELEVATOR ANDOL STABILIBER 3/32 DIA MUSIC WIRE00 00 CENTER SE Oti DIHEDRAL0OL SETTING WIRE TEMPLATES 00 __L LIGHTENING HOLES ARE PUNCHED IN WITH *ACTO I/2 DIA HOLE PUNCH 1 0 Ij IPLYIiPLYtPLY 3/I6SHEET BALSA0 CL IN AND RUDDER0 14 SHEET BALSATIP RIB CIRRUS CANOPY TURNEDI/43/BHARDWOOD MOUNTSWINGTIP HAS NERO WASHOUT END-FOR-ENDBALANCE POINT LONGERONS ARE I/rDIA DOWEL I/4SQUARE BALSA BRICK IirIl IKRAFT SPLICE BALSA SIDES & BOTTOM IF USING 3B SHEET FETQS& BOTTOM ADJUSTABLE TOW-HOOK YEDGE OF LIBPLYWOOD DOUBLER 9SCLE WING SPAN99 1/2 INCHES WING AREA 88250 IN STANDARD CLASS N/C SAILPLANE DESIGNED BY BILL EVANS WINTRRHAWK Al RIGHTS RESERVED %J FULL-SIZE PLANSAVAILABLE .. SEEPAGE 104 2 -b 0 ] 0 0 2 0 -Jo 0 CD -1 speed produce optimum lift 2 Airframe longevity since wing takes punishment high-impact almost indestructible fully-sheeted foam wing provided answer 3/16 sheet tail surfaces glass fuse Winterhawk has literally flown through trees cutting path clearing flying out other side testimony Dave Lloyd Daves Custom Models Glendale CA 3 Span exceed 100 inches actually 98 inches 4 Hands-off performance yet respon sive tested setting up climbing turn switching off transmitter Though majority Winterhawks built far have weighed just about four half pounds prefer fly just between five half six pounds 885 sq area gives 615 sq ft wing works out 12 15 oz per sq ft reaction wing loading too heavy glider skepticism would increase could pick up ship feel weight bets off after shoots up line first 10 minutes ticked off watch After first 60 minutes dis belief changes amazement knowledge flights Winterhawks have terminated pilots discre tion Winterhawk pilots have de veloped stiff necks getting feeling have completely mastered silent flight after turning flight after flight hour Design Considerations Though nose tail moments play important part super critical few minor weight CG calculations yielded sat isfactory ratios Having flown free flight was fly years ago care count have few favorite percentages comes airfoil thickness So after considerable plotting fussing airfoil emerged looked very good wing load ing took 180-degree turn conven tion free flight ship should light loaded down stopping just over 5 pounds check-out flight turned time 55 minutes landed Winterhawk cause darkness Subsequent flights hour plus case terminated command first Winterhawk built 1/16 balsa-sheeted inboard panels 1/32 out board panels three wing joints epoxied use glass out spar After several near full-up eleva tor launches managed fold right wing panel about four inches out root right wing panel parted company ship just over 600 feet bit help large elevator rudder managed somewhat soften ground contact just before impact Repair wing using epoxy took about 30 minutes except few splits wood fuselage Subsequent balsa sheeted wings have included main spar shown plans However recommend 1/64 ply wood ultimate answer weight difference between balsa ply small 34 ounces balsa 36 ounces ply fascination hold Winterhawk unique its experience shared spoken Winterhawk pilots Since have principally devoted majority efforts design slope gliders flying wings sincere pleasure offer Win terhawk truly exceptional soaring craft Material List 121/16 X 4 X 36 10 1/32 X 4 X 36 equivalent 1/64 ply 13/16 X 3 X 362 3/16 x 4 x 36 5/8 X 3 X36 l2 X 3 X 3 block 1 sheet /s ply 18 Model Aviation Removing canopy ICirrus turned around makes easy access radio gear Battery usual goes front balanceand keep delicate items out way hopefully few cases inertia does its work Fiberglass fuselages foam wings available Initial success inspired whole fleet Winterhawks Though sailplane comes Out naturally about 4-1/2 lbs. Evans prefers ballast 5-1/2-6 lbs 12-15 os per sq ft loading Winterhawk foam cores available $1000 including shipping CA res idents add 6% Soaring Research 19216 Calvert St Reseda CA 91335 also can supply 1/64 plywood Win terhawk wing sheeting $1000 epoxy-fiberglass fuselage $3000 Construction As can see plans KISS keep simple stupid con struction principle used following construction sequence will helpful building time-saver Cut white-glue balsa leading edges wing cores set aside dry Cut out fuselage parts sides bot tom top doublers formers nose block White-glue fuselage doublers fuse sides making sure make Con tinjpd nn nab RR 3/16 sheet balsa tail surfaces make easy constructionlightening holes easy put Aacto noie ouncn suuesLuu Winterhawk employs KISS lkeep simple stupidl construction principle Authors plane Pontiac Firebird decal DJ Multistripes nifty trim -uW w FIRSI AROUND IH[ WORLD DOUGLAS WORLD CRUIS[R 1 72 SCALE PLASTIC MODEL KIT During 1 924 history-making Douglas World Cruisers made first around world flight Covering some 27553 miles epic voyage lasted 1 75 days Now can construct highly-detailed model famous aircraft KIT FEATURES WHEELS AND PONTOONS DECALS TO ALLOW FINISHING MODEL AS ANY ONE OF FIVE DIFFERENT AIRCRAFT TLE AGO ON NEW ORLEANS ON II $495 dealer direct adding 15% postage handling Send 5Q complete illustrated catalog DEPT AWdS 181 PAWNEE ST SAN MARCOS CA 92069 EROS counted record purposes situa tion would seem indicate record dependent upon modeler skills also upon quality competition resulting number fly-off rounds Could please explain situation William G Carson Quantico VA Fly-offs counted FF national records such Mulvikill quality competition isnt necessarily fac tor high figuressuch 68 mm 54 sec reason guy can keep going record purposes until misses max flighteven competi tion dropped out severaiflights back Wi nterhawklEvans continued page 19 right left side raise doub ler bottom edge fuse side allow fuse bottom fit between balsa sides below doubler Let dry Cut out trim sand 3/16 tail sur faces being sure cut lightening holes surfaces per plan Xacto makes punch can used drill ideal purpose Glue fuse parts together first pinning fuse bottom down flat surface glue pin sides corner squares formers rear top nose block Let dry Trim sand leading edges wing panels sheeting will fit neatly Cut wing sheeting size contact-cement sheeting cores using good waterbase contact cement Ep oxy wing panels together using 5-minute epoxy Set dihedral per plans may elect join wing halves using tubing wire should point generally make one-piece wing canopy made large Cirrus canopy turned end end Use Zap Zap filler secure canopy base After sanding fuselage other parts use favorite covering material install radio linkage trim original included small Pon tiac Firebird decal local Pontiac dealer parts epoxy paint DJ Multistripes product review product review product review Scale Drawings Catalogue Known large accurate beautifully drawn scale views Morrison Repla-Tech has added significant number exciting aircraft long list announces $100 total cost special catalogues covering ships aircraft RC Hirsch race-plane drawings later year brand-new RC flying model plans catalogue Morrison Repla-Tech 48500 McKenzie Highway Vida OR 97488 product review product review product review K LET US KNOW WHERE YOU ARE GOINGS move please let us know advancesix weeks re quired change address Attach current MA mailing label check appropriate box mail Subscription Dept Model Aviation 815 Fifteenth St. NW. Washington DC. 20005 COMPLETE THIS FORM AND ATTACH MAILING LABEL FROM RECENT ISSUE Check appropriate boxenclose payment 0 NEW SuBSCRIPTION 0 cHANGE OF ADDRESS Non-AMA subscription rates $1200 12 months Canada United States possession elsewhere $1400 NIAM F RC Scale/Wischers continued page 21 load before stretched Always wind extra turns used forming hooks Some airplanes have springs con nected directly usual applica tions have springs hooked rud der arm joined fork steer ing arm short lengths cable chain latter being common have searched authentic appearing chain stamped link type size small enough models have pro duce own last resort tiny links made thin hard aluminum chain being reproduced has links punched flat metal formed double thickness during assembly next link Houses double-hung windows use type chain sash counterweightsknown sash chain chain used tail wheels similar heavier chain small irregularly shaped holes punched using tool ground filed proper shape Using lead block anvil die holes punched aluminum first external shape link cut around holes scissors tedious re sulting chain appears authentic remarkably strong Although may seem exces sively laborious process create small amount authenticity finished re sult worth effort addition 88 Model Aviation ADDRESS CITY/STATE ____________________________________________ ZIP _______________ MODEL AVIATION 815 FIFTEENTH ST. NW. WASHINGTON DC 20005 FlyIng Near Airports Carefull Free Flight Radio Control Flying near airpofla situation might involve possibility models being vIcinity ot full-scale aircraft operationa muat avoidedor conducted eliminate dangerous situations Models should flown proximity fuli-scale aircraft operations unless flyer has someone else him sole purpose watching full-scale aircraft supervising flying prevent accident possibilities PROTECT YOUR RiGHT TO FLY Sale Flying No Accident appearance factor plane very pos itively controlled taxiing well during takeoff landing looks right functions intended Jerry Farr comes word Fifth Annual Scale Championships Abilene Texas two-day event fun fly Saturday AMA Scale Sun day June 10th 11th Contest includes free flight gas rubber peanut U-control sport RC sport RC jumbo sport e 80 minimum RC sport formation write Jerry Farr 2802 Rob ertson Dr Abilene Texas 79606 Bob Wischer Rt 1 S-221 Lapham Peak Road Delafield WI 53018 RC Aerobatics/VanPutte continued page 22 isnt available surface can job supposed second advantage using poly urethane varnish mentioned briefly Foam Techniques Part 3 varnish coatings provide double vapor barrier against harmful solvents protects foam against Very little weight added using polyurethane varnish think its well worth Speaking ideas Dan Befus edits KMAC Newsletter up Kalamazoo Michigan published following short article almost us can benefit women golly summer Im going teach wife fly Summer 42 still thinks hammerhead stall place keep retired sharks seems women fascinated product review product review product review Ball Wrench Set Fitting 4-40 6-32 socket head bolts heat-treated alloy steel ball driv ers lead cap screw head gle Price $395 Six-in Allen wrenches 44-40 6-32 socket head bolts also available two 98c Du-Bro Products Inc 480 Bon ner Rd Wauconde IL 60084 product review product review product review model aviation sport includes such variety skills could appeal almost anyone few women pilots Perhaps have ignored some subtle hints like timely pur chase official Amelia Earhart leather flight jacket Just because says doesnt want could means testing see really trust airplane am chief violator year ago young lady arent asked could fly plane said OK proceeded explain tricky expensive fragile airplane Needless say rattled bit backed down kept giving half-hearted Aw Cmon has never flown date Incidentally precious expensive plane Midwest foam Car dinal looked like built San ford Son trust women children family car think somehow world RC bit too much flatter ourselves thusly Sure bound crashes What else new summers end flying field garbage can looked like Columbian balsa forest after visit Paul Bunyan need women hobby creativity artistic sixth sense patience . Perhaps time made honest effort share piece selves themcontinued May1978 89
Edition: Model Aviation - 1978/05
Page Numbers: 16, 17, 18, 19, 88, 89
Author-designer Bill Evans displays pleas ing lines Winterhawk Has foam wing sheeted tail surfaces easy building WINTERHAWK combines strength tank flight characteristics bird prey combination de livers superior thermal time airframe longevity has goal say fellow fliers gee wont come down Winterhawk answer chief com plaint other fliers youve up hour about landing sol can use frequency Project Winterhawk undertaken deliver thermal craft several desir able qualities 1 Maximum flight time regardless lift conditionsaccomplished max imum-lift wing weight weight 16 Model Aviation Get line tension up before launch Use wing spar wing sheeted balsa either balsa plywood sheeting use glass cloth epoxy reinforce dihedral joints I/4S/Ir-BALSA LEADING EDGEN [v34][b18642320600]]1 -S32 ID ALUMINUM TUBE I/4 BALSA TIP RIB REQUIRED IF WINGS ARE .I/4 PLYWOOD RIBSHEETED WITH PLYWOODFDAM WING CORES COVERED WiTH BALSA SHEET-I/IBTHICK INBOARD I/2I/2HARDWOOD&I32THICK OTBOARDOTION COVER TIRWIMG WITH I/64 ThICK PLYWOOD 4 4 -3321DALUMINUM TUBE DIH CORAL DIAGRL2 NO SCALE DIHEDRAL GAGE K I4D1A DOWEL n 0 OL 00 Ill 00 0 o3 3/IBSHEET BALSA0 0 DIA MUSIC WIREELEVATOR ANDOL STABILIBER 3/32 DIA MUSIC WIRE00 00 CENTER SE Oti DIHEDRAL0OL SETTING WIRE TEMPLATES 00 __L LIGHTENING HOLES ARE PUNCHED IN WITH *ACTO I/2 DIA HOLE PUNCH 1 0 Ij IPLYIiPLYtPLY 3/I6SHEET BALSA0 CL IN AND RUDDER0 14 SHEET BALSATIP RIB CIRRUS CANOPY TURNEDI/43/BHARDWOOD MOUNTSWINGTIP HAS NERO WASHOUT END-FOR-ENDBALANCE POINT LONGERONS ARE I/rDIA DOWEL I/4SQUARE BALSA BRICK IirIl IKRAFT SPLICE BALSA SIDES & BOTTOM IF USING 3B SHEET FETQS& BOTTOM ADJUSTABLE TOW-HOOK YEDGE OF LIBPLYWOOD DOUBLER 9SCLE WING SPAN99 1/2 INCHES WING AREA 88250 IN STANDARD CLASS N/C SAILPLANE DESIGNED BY BILL EVANS WINTRRHAWK Al RIGHTS RESERVED %J FULL-SIZE PLANSAVAILABLE .. SEEPAGE 104 2 -b 0 ] 0 0 2 0 -Jo 0 CD -1 speed produce optimum lift 2 Airframe longevity since wing takes punishment high-impact almost indestructible fully-sheeted foam wing provided answer 3/16 sheet tail surfaces glass fuse Winterhawk has literally flown through trees cutting path clearing flying out other side testimony Dave Lloyd Daves Custom Models Glendale CA 3 Span exceed 100 inches actually 98 inches 4 Hands-off performance yet respon sive tested setting up climbing turn switching off transmitter Though majority Winterhawks built far have weighed just about four half pounds prefer fly just between five half six pounds 885 sq area gives 615 sq ft wing works out 12 15 oz per sq ft reaction wing loading too heavy glider skepticism would increase could pick up ship feel weight bets off after shoots up line first 10 minutes ticked off watch After first 60 minutes dis belief changes amazement knowledge flights Winterhawks have terminated pilots discre tion Winterhawk pilots have de veloped stiff necks getting feeling have completely mastered silent flight after turning flight after flight hour Design Considerations Though nose tail moments play important part super critical few minor weight CG calculations yielded sat isfactory ratios Having flown free flight was fly years ago care count have few favorite percentages comes airfoil thickness So after considerable plotting fussing airfoil emerged looked very good wing load ing took 180-degree turn conven tion free flight ship should light loaded down stopping just over 5 pounds check-out flight turned time 55 minutes landed Winterhawk cause darkness Subsequent flights hour plus case terminated command first Winterhawk built 1/16 balsa-sheeted inboard panels 1/32 out board panels three wing joints epoxied use glass out spar After several near full-up eleva tor launches managed fold right wing panel about four inches out root right wing panel parted company ship just over 600 feet bit help large elevator rudder managed somewhat soften ground contact just before impact Repair wing using epoxy took about 30 minutes except few splits wood fuselage Subsequent balsa sheeted wings have included main spar shown plans However recommend 1/64 ply wood ultimate answer weight difference between balsa ply small 34 ounces balsa 36 ounces ply fascination hold Winterhawk unique its experience shared spoken Winterhawk pilots Since have principally devoted majority efforts design slope gliders flying wings sincere pleasure offer Win terhawk truly exceptional soaring craft Material List 121/16 X 4 X 36 10 1/32 X 4 X 36 equivalent 1/64 ply 13/16 X 3 X 362 3/16 x 4 x 36 5/8 X 3 X36 l2 X 3 X 3 block 1 sheet /s ply 18 Model Aviation Removing canopy ICirrus turned around makes easy access radio gear Battery usual goes front balanceand keep delicate items out way hopefully few cases inertia does its work Fiberglass fuselages foam wings available Initial success inspired whole fleet Winterhawks Though sailplane comes Out naturally about 4-1/2 lbs. Evans prefers ballast 5-1/2-6 lbs 12-15 os per sq ft loading Winterhawk foam cores available $1000 including shipping CA res idents add 6% Soaring Research 19216 Calvert St Reseda CA 91335 also can supply 1/64 plywood Win terhawk wing sheeting $1000 epoxy-fiberglass fuselage $3000 Construction As can see plans KISS keep simple stupid con struction principle used following construction sequence will helpful building time-saver Cut white-glue balsa leading edges wing cores set aside dry Cut out fuselage parts sides bot tom top doublers formers nose block White-glue fuselage doublers fuse sides making sure make Con tinjpd nn nab RR 3/16 sheet balsa tail surfaces make easy constructionlightening holes easy put Aacto noie ouncn suuesLuu Winterhawk employs KISS lkeep simple stupidl construction principle Authors plane Pontiac Firebird decal DJ Multistripes nifty trim -uW w FIRSI AROUND IH[ WORLD DOUGLAS WORLD CRUIS[R 1 72 SCALE PLASTIC MODEL KIT During 1 924 history-making Douglas World Cruisers made first around world flight Covering some 27553 miles epic voyage lasted 1 75 days Now can construct highly-detailed model famous aircraft KIT FEATURES WHEELS AND PONTOONS DECALS TO ALLOW FINISHING MODEL AS ANY ONE OF FIVE DIFFERENT AIRCRAFT TLE AGO ON NEW ORLEANS ON II $495 dealer direct adding 15% postage handling Send 5Q complete illustrated catalog DEPT AWdS 181 PAWNEE ST SAN MARCOS CA 92069 EROS counted record purposes situa tion would seem indicate record dependent upon modeler skills also upon quality competition resulting number fly-off rounds Could please explain situation William G Carson Quantico VA Fly-offs counted FF national records such Mulvikill quality competition isnt necessarily fac tor high figuressuch 68 mm 54 sec reason guy can keep going record purposes until misses max flighteven competi tion dropped out severaiflights back Wi nterhawklEvans continued page 19 right left side raise doub ler bottom edge fuse side allow fuse bottom fit between balsa sides below doubler Let dry Cut out trim sand 3/16 tail sur faces being sure cut lightening holes surfaces per plan Xacto makes punch can used drill ideal purpose Glue fuse parts together first pinning fuse bottom down flat surface glue pin sides corner squares formers rear top nose block Let dry Trim sand leading edges wing panels sheeting will fit neatly Cut wing sheeting size contact-cement sheeting cores using good waterbase contact cement Ep oxy wing panels together using 5-minute epoxy Set dihedral per plans may elect join wing halves using tubing wire should point generally make one-piece wing canopy made large Cirrus canopy turned end end Use Zap Zap filler secure canopy base After sanding fuselage other parts use favorite covering material install radio linkage trim original included small Pon tiac Firebird decal local Pontiac dealer parts epoxy paint DJ Multistripes product review product review product review Scale Drawings Catalogue Known large accurate beautifully drawn scale views Morrison Repla-Tech has added significant number exciting aircraft long list announces $100 total cost special catalogues covering ships aircraft RC Hirsch race-plane drawings later year brand-new RC flying model plans catalogue Morrison Repla-Tech 48500 McKenzie Highway Vida OR 97488 product review product review product review K LET US KNOW WHERE YOU ARE GOINGS move please let us know advancesix weeks re quired change address Attach current MA mailing label check appropriate box mail Subscription Dept Model Aviation 815 Fifteenth St. NW. Washington DC. 20005 COMPLETE THIS FORM AND ATTACH MAILING LABEL FROM RECENT ISSUE Check appropriate boxenclose payment 0 NEW SuBSCRIPTION 0 cHANGE OF ADDRESS Non-AMA subscription rates $1200 12 months Canada United States possession elsewhere $1400 NIAM F RC Scale/Wischers continued page 21 load before stretched Always wind extra turns used forming hooks Some airplanes have springs con nected directly usual applica tions have springs hooked rud der arm joined fork steer ing arm short lengths cable chain latter being common have searched authentic appearing chain stamped link type size small enough models have pro duce own last resort tiny links made thin hard aluminum chain being reproduced has links punched flat metal formed double thickness during assembly next link Houses double-hung windows use type chain sash counterweightsknown sash chain chain used tail wheels similar heavier chain small irregularly shaped holes punched using tool ground filed proper shape Using lead block anvil die holes punched aluminum first external shape link cut around holes scissors tedious re sulting chain appears authentic remarkably strong Although may seem exces sively laborious process create small amount authenticity finished re sult worth effort addition 88 Model Aviation ADDRESS CITY/STATE ____________________________________________ ZIP _______________ MODEL AVIATION 815 FIFTEENTH ST. NW. WASHINGTON DC 20005 FlyIng Near Airports Carefull Free Flight Radio Control Flying near airpofla situation might involve possibility models being vIcinity ot full-scale aircraft operationa muat avoidedor conducted eliminate dangerous situations Models should flown proximity fuli-scale aircraft operations unless flyer has someone else him sole purpose watching full-scale aircraft supervising flying prevent accident possibilities PROTECT YOUR RiGHT TO FLY Sale Flying No Accident appearance factor plane very pos itively controlled taxiing well during takeoff landing looks right functions intended Jerry Farr comes word Fifth Annual Scale Championships Abilene Texas two-day event fun fly Saturday AMA Scale Sun day June 10th 11th Contest includes free flight gas rubber peanut U-control sport RC sport RC jumbo sport e 80 minimum RC sport formation write Jerry Farr 2802 Rob ertson Dr Abilene Texas 79606 Bob Wischer Rt 1 S-221 Lapham Peak Road Delafield WI 53018 RC Aerobatics/VanPutte continued page 22 isnt available surface can job supposed second advantage using poly urethane varnish mentioned briefly Foam Techniques Part 3 varnish coatings provide double vapor barrier against harmful solvents protects foam against Very little weight added using polyurethane varnish think its well worth Speaking ideas Dan Befus edits KMAC Newsletter up Kalamazoo Michigan published following short article almost us can benefit women golly summer Im going teach wife fly Summer 42 still thinks hammerhead stall place keep retired sharks seems women fascinated product review product review product review Ball Wrench Set Fitting 4-40 6-32 socket head bolts heat-treated alloy steel ball driv ers lead cap screw head gle Price $395 Six-in Allen wrenches 44-40 6-32 socket head bolts also available two 98c Du-Bro Products Inc 480 Bon ner Rd Wauconde IL 60084 product review product review product review model aviation sport includes such variety skills could appeal almost anyone few women pilots Perhaps have ignored some subtle hints like timely pur chase official Amelia Earhart leather flight jacket Just because says doesnt want could means testing see really trust airplane am chief violator year ago young lady arent asked could fly plane said OK proceeded explain tricky expensive fragile airplane Needless say rattled bit backed down kept giving half-hearted Aw Cmon has never flown date Incidentally precious expensive plane Midwest foam Car dinal looked like built San ford Son trust women children family car think somehow world RC bit too much flatter ourselves thusly Sure bound crashes What else new summers end flying field garbage can looked like Columbian balsa forest after visit Paul Bunyan need women hobby creativity artistic sixth sense patience . Perhaps time made honest effort share piece selves themcontinued May1978 89
Edition: Model Aviation - 1978/05
Page Numbers: 16, 17, 18, 19, 88, 89
Author-designer Bill Evans displays pleas ing lines Winterhawk Has foam wing sheeted tail surfaces easy building WINTERHAWK combines strength tank flight characteristics bird prey combination de livers superior thermal time airframe longevity has goal say fellow fliers gee wont come down Winterhawk answer chief com plaint other fliers youve up hour about landing sol can use frequency Project Winterhawk undertaken deliver thermal craft several desir able qualities 1 Maximum flight time regardless lift conditionsaccomplished max imum-lift wing weight weight 16 Model Aviation Get line tension up before launch Use wing spar wing sheeted balsa either balsa plywood sheeting use glass cloth epoxy reinforce dihedral joints I/4S/Ir-BALSA LEADING EDGEN [v34][b18642320600]]1 -S32 ID ALUMINUM TUBE I/4 BALSA TIP RIB REQUIRED IF WINGS ARE .I/4 PLYWOOD RIBSHEETED WITH PLYWOODFDAM WING CORES COVERED WiTH BALSA SHEET-I/IBTHICK INBOARD I/2I/2HARDWOOD&I32THICK OTBOARDOTION COVER TIRWIMG WITH I/64 ThICK PLYWOOD 4 4 -3321DALUMINUM TUBE DIH CORAL DIAGRL2 NO SCALE DIHEDRAL GAGE K I4D1A DOWEL n 0 OL 00 Ill 00 0 o3 3/IBSHEET BALSA0 0 DIA MUSIC WIREELEVATOR ANDOL STABILIBER 3/32 DIA MUSIC WIRE00 00 CENTER SE Oti DIHEDRAL0OL SETTING WIRE TEMPLATES 00 __L LIGHTENING HOLES ARE PUNCHED IN WITH *ACTO I/2 DIA HOLE PUNCH 1 0 Ij IPLYIiPLYtPLY 3/I6SHEET BALSA0 CL IN AND RUDDER0 14 SHEET BALSATIP RIB CIRRUS CANOPY TURNEDI/43/BHARDWOOD MOUNTSWINGTIP HAS NERO WASHOUT END-FOR-ENDBALANCE POINT LONGERONS ARE I/rDIA DOWEL I/4SQUARE BALSA BRICK IirIl IKRAFT SPLICE BALSA SIDES & BOTTOM IF USING 3B SHEET FETQS& BOTTOM ADJUSTABLE TOW-HOOK YEDGE OF LIBPLYWOOD DOUBLER 9SCLE WING SPAN99 1/2 INCHES WING AREA 88250 IN STANDARD CLASS N/C SAILPLANE DESIGNED BY BILL EVANS WINTRRHAWK Al RIGHTS RESERVED %J FULL-SIZE PLANSAVAILABLE .. SEEPAGE 104 2 -b 0 ] 0 0 2 0 -Jo 0 CD -1 speed produce optimum lift 2 Airframe longevity since wing takes punishment high-impact almost indestructible fully-sheeted foam wing provided answer 3/16 sheet tail surfaces glass fuse Winterhawk has literally flown through trees cutting path clearing flying out other side testimony Dave Lloyd Daves Custom Models Glendale CA 3 Span exceed 100 inches actually 98 inches 4 Hands-off performance yet respon sive tested setting up climbing turn switching off transmitter Though majority Winterhawks built far have weighed just about four half pounds prefer fly just between five half six pounds 885 sq area gives 615 sq ft wing works out 12 15 oz per sq ft reaction wing loading too heavy glider skepticism would increase could pick up ship feel weight bets off after shoots up line first 10 minutes ticked off watch After first 60 minutes dis belief changes amazement knowledge flights Winterhawks have terminated pilots discre tion Winterhawk pilots have de veloped stiff necks getting feeling have completely mastered silent flight after turning flight after flight hour Design Considerations Though nose tail moments play important part super critical few minor weight CG calculations yielded sat isfactory ratios Having flown free flight was fly years ago care count have few favorite percentages comes airfoil thickness So after considerable plotting fussing airfoil emerged looked very good wing load ing took 180-degree turn conven tion free flight ship should light loaded down stopping just over 5 pounds check-out flight turned time 55 minutes landed Winterhawk cause darkness Subsequent flights hour plus case terminated command first Winterhawk built 1/16 balsa-sheeted inboard panels 1/32 out board panels three wing joints epoxied use glass out spar After several near full-up eleva tor launches managed fold right wing panel about four inches out root right wing panel parted company ship just over 600 feet bit help large elevator rudder managed somewhat soften ground contact just before impact Repair wing using epoxy took about 30 minutes except few splits wood fuselage Subsequent balsa sheeted wings have included main spar shown plans However recommend 1/64 ply wood ultimate answer weight difference between balsa ply small 34 ounces balsa 36 ounces ply fascination hold Winterhawk unique its experience shared spoken Winterhawk pilots Since have principally devoted majority efforts design slope gliders flying wings sincere pleasure offer Win terhawk truly exceptional soaring craft Material List 121/16 X 4 X 36 10 1/32 X 4 X 36 equivalent 1/64 ply 13/16 X 3 X 362 3/16 x 4 x 36 5/8 X 3 X36 l2 X 3 X 3 block 1 sheet /s ply 18 Model Aviation Removing canopy ICirrus turned around makes easy access radio gear Battery usual goes front balanceand keep delicate items out way hopefully few cases inertia does its work Fiberglass fuselages foam wings available Initial success inspired whole fleet Winterhawks Though sailplane comes Out naturally about 4-1/2 lbs. Evans prefers ballast 5-1/2-6 lbs 12-15 os per sq ft loading Winterhawk foam cores available $1000 including shipping CA res idents add 6% Soaring Research 19216 Calvert St Reseda CA 91335 also can supply 1/64 plywood Win terhawk wing sheeting $1000 epoxy-fiberglass fuselage $3000 Construction As can see plans KISS keep simple stupid con struction principle used following construction sequence will helpful building time-saver Cut white-glue balsa leading edges wing cores set aside dry Cut out fuselage parts sides bot tom top doublers formers nose block White-glue fuselage doublers fuse sides making sure make Con tinjpd nn nab RR 3/16 sheet balsa tail surfaces make easy constructionlightening holes easy put Aacto noie ouncn suuesLuu Winterhawk employs KISS lkeep simple stupidl construction principle Authors plane Pontiac Firebird decal DJ Multistripes nifty trim -uW w FIRSI AROUND IH[ WORLD DOUGLAS WORLD CRUIS[R 1 72 SCALE PLASTIC MODEL KIT During 1 924 history-making Douglas World Cruisers made first around world flight Covering some 27553 miles epic voyage lasted 1 75 days Now can construct highly-detailed model famous aircraft KIT FEATURES WHEELS AND PONTOONS DECALS TO ALLOW FINISHING MODEL AS ANY ONE OF FIVE DIFFERENT AIRCRAFT TLE AGO ON NEW ORLEANS ON II $495 dealer direct adding 15% postage handling Send 5Q complete illustrated catalog DEPT AWdS 181 PAWNEE ST SAN MARCOS CA 92069 EROS counted record purposes situa tion would seem indicate record dependent upon modeler skills also upon quality competition resulting number fly-off rounds Could please explain situation William G Carson Quantico VA Fly-offs counted FF national records such Mulvikill quality competition isnt necessarily fac tor high figuressuch 68 mm 54 sec reason guy can keep going record purposes until misses max flighteven competi tion dropped out severaiflights back Wi nterhawklEvans continued page 19 right left side raise doub ler bottom edge fuse side allow fuse bottom fit between balsa sides below doubler Let dry Cut out trim sand 3/16 tail sur faces being sure cut lightening holes surfaces per plan Xacto makes punch can used drill ideal purpose Glue fuse parts together first pinning fuse bottom down flat surface glue pin sides corner squares formers rear top nose block Let dry Trim sand leading edges wing panels sheeting will fit neatly Cut wing sheeting size contact-cement sheeting cores using good waterbase contact cement Ep oxy wing panels together using 5-minute epoxy Set dihedral per plans may elect join wing halves using tubing wire should point generally make one-piece wing canopy made large Cirrus canopy turned end end Use Zap Zap filler secure canopy base After sanding fuselage other parts use favorite covering material install radio linkage trim original included small Pon tiac Firebird decal local Pontiac dealer parts epoxy paint DJ Multistripes product review product review product review Scale Drawings Catalogue Known large accurate beautifully drawn scale views Morrison Repla-Tech has added significant number exciting aircraft long list announces $100 total cost special catalogues covering ships aircraft RC Hirsch race-plane drawings later year brand-new RC flying model plans catalogue Morrison Repla-Tech 48500 McKenzie Highway Vida OR 97488 product review product review product review K LET US KNOW WHERE YOU ARE GOINGS move please let us know advancesix weeks re quired change address Attach current MA mailing label check appropriate box mail Subscription Dept Model Aviation 815 Fifteenth St. NW. Washington DC. 20005 COMPLETE THIS FORM AND ATTACH MAILING LABEL FROM RECENT ISSUE Check appropriate boxenclose payment 0 NEW SuBSCRIPTION 0 cHANGE OF ADDRESS Non-AMA subscription rates $1200 12 months Canada United States possession elsewhere $1400 NIAM F RC Scale/Wischers continued page 21 load before stretched Always wind extra turns used forming hooks Some airplanes have springs con nected directly usual applica tions have springs hooked rud der arm joined fork steer ing arm short lengths cable chain latter being common have searched authentic appearing chain stamped link type size small enough models have pro duce own last resort tiny links made thin hard aluminum chain being reproduced has links punched flat metal formed double thickness during assembly next link Houses double-hung windows use type chain sash counterweightsknown sash chain chain used tail wheels similar heavier chain small irregularly shaped holes punched using tool ground filed proper shape Using lead block anvil die holes punched aluminum first external shape link cut around holes scissors tedious re sulting chain appears authentic remarkably strong Although may seem exces sively laborious process create small amount authenticity finished re sult worth effort addition 88 Model Aviation ADDRESS CITY/STATE ____________________________________________ ZIP _______________ MODEL AVIATION 815 FIFTEENTH ST. NW. WASHINGTON DC 20005 FlyIng Near Airports Carefull Free Flight Radio Control Flying near airpofla situation might involve possibility models being vIcinity ot full-scale aircraft operationa muat avoidedor conducted eliminate dangerous situations Models should flown proximity fuli-scale aircraft operations unless flyer has someone else him sole purpose watching full-scale aircraft supervising flying prevent accident possibilities PROTECT YOUR RiGHT TO FLY Sale Flying No Accident appearance factor plane very pos itively controlled taxiing well during takeoff landing looks right functions intended Jerry Farr comes word Fifth Annual Scale Championships Abilene Texas two-day event fun fly Saturday AMA Scale Sun day June 10th 11th Contest includes free flight gas rubber peanut U-control sport RC sport RC jumbo sport e 80 minimum RC sport formation write Jerry Farr 2802 Rob ertson Dr Abilene Texas 79606 Bob Wischer Rt 1 S-221 Lapham Peak Road Delafield WI 53018 RC Aerobatics/VanPutte continued page 22 isnt available surface can job supposed second advantage using poly urethane varnish mentioned briefly Foam Techniques Part 3 varnish coatings provide double vapor barrier against harmful solvents protects foam against Very little weight added using polyurethane varnish think its well worth Speaking ideas Dan Befus edits KMAC Newsletter up Kalamazoo Michigan published following short article almost us can benefit women golly summer Im going teach wife fly Summer 42 still thinks hammerhead stall place keep retired sharks seems women fascinated product review product review product review Ball Wrench Set Fitting 4-40 6-32 socket head bolts heat-treated alloy steel ball driv ers lead cap screw head gle Price $395 Six-in Allen wrenches 44-40 6-32 socket head bolts also available two 98c Du-Bro Products Inc 480 Bon ner Rd Wauconde IL 60084 product review product review product review model aviation sport includes such variety skills could appeal almost anyone few women pilots Perhaps have ignored some subtle hints like timely pur chase official Amelia Earhart leather flight jacket Just because says doesnt want could means testing see really trust airplane am chief violator year ago young lady arent asked could fly plane said OK proceeded explain tricky expensive fragile airplane Needless say rattled bit backed down kept giving half-hearted Aw Cmon has never flown date Incidentally precious expensive plane Midwest foam Car dinal looked like built San ford Son trust women children family car think somehow world RC bit too much flatter ourselves thusly Sure bound crashes What else new summers end flying field garbage can looked like Columbian balsa forest after visit Paul Bunyan need women hobby creativity artistic sixth sense patience . Perhaps time made honest effort share piece selves themcontinued May1978 89
Edition: Model Aviation - 1978/05
Page Numbers: 16, 17, 18, 19, 88, 89
Author-designer Bill Evans displays pleas ing lines Winterhawk Has foam wing sheeted tail surfaces easy building WINTERHAWK combines strength tank flight characteristics bird prey combination de livers superior thermal time airframe longevity has goal say fellow fliers gee wont come down Winterhawk answer chief com plaint other fliers youve up hour about landing sol can use frequency Project Winterhawk undertaken deliver thermal craft several desir able qualities 1 Maximum flight time regardless lift conditionsaccomplished max imum-lift wing weight weight 16 Model Aviation Get line tension up before launch Use wing spar wing sheeted balsa either balsa plywood sheeting use glass cloth epoxy reinforce dihedral joints I/4S/Ir-BALSA LEADING EDGEN [v34][b18642320600]]1 -S32 ID ALUMINUM TUBE I/4 BALSA TIP RIB REQUIRED IF WINGS ARE .I/4 PLYWOOD RIBSHEETED WITH PLYWOODFDAM WING CORES COVERED WiTH BALSA SHEET-I/IBTHICK INBOARD I/2I/2HARDWOOD&I32THICK OTBOARDOTION COVER TIRWIMG WITH I/64 ThICK PLYWOOD 4 4 -3321DALUMINUM TUBE DIH CORAL DIAGRL2 NO SCALE DIHEDRAL GAGE K I4D1A DOWEL n 0 OL 00 Ill 00 0 o3 3/IBSHEET BALSA0 0 DIA MUSIC WIREELEVATOR ANDOL STABILIBER 3/32 DIA MUSIC WIRE00 00 CENTER SE Oti DIHEDRAL0OL SETTING WIRE TEMPLATES 00 __L LIGHTENING HOLES ARE PUNCHED IN WITH *ACTO I/2 DIA HOLE PUNCH 1 0 Ij IPLYIiPLYtPLY 3/I6SHEET BALSA0 CL IN AND RUDDER0 14 SHEET BALSATIP RIB CIRRUS CANOPY TURNEDI/43/BHARDWOOD MOUNTSWINGTIP HAS NERO WASHOUT END-FOR-ENDBALANCE POINT LONGERONS ARE I/rDIA DOWEL I/4SQUARE BALSA BRICK IirIl IKRAFT SPLICE BALSA SIDES & BOTTOM IF USING 3B SHEET FETQS& BOTTOM ADJUSTABLE TOW-HOOK YEDGE OF LIBPLYWOOD DOUBLER 9SCLE WING SPAN99 1/2 INCHES WING AREA 88250 IN STANDARD CLASS N/C SAILPLANE DESIGNED BY BILL EVANS WINTRRHAWK Al RIGHTS RESERVED %J FULL-SIZE PLANSAVAILABLE .. SEEPAGE 104 2 -b 0 ] 0 0 2 0 -Jo 0 CD -1 speed produce optimum lift 2 Airframe longevity since wing takes punishment high-impact almost indestructible fully-sheeted foam wing provided answer 3/16 sheet tail surfaces glass fuse Winterhawk has literally flown through trees cutting path clearing flying out other side testimony Dave Lloyd Daves Custom Models Glendale CA 3 Span exceed 100 inches actually 98 inches 4 Hands-off performance yet respon sive tested setting up climbing turn switching off transmitter Though majority Winterhawks built far have weighed just about four half pounds prefer fly just between five half six pounds 885 sq area gives 615 sq ft wing works out 12 15 oz per sq ft reaction wing loading too heavy glider skepticism would increase could pick up ship feel weight bets off after shoots up line first 10 minutes ticked off watch After first 60 minutes dis belief changes amazement knowledge flights Winterhawks have terminated pilots discre tion Winterhawk pilots have de veloped stiff necks getting feeling have completely mastered silent flight after turning flight after flight hour Design Considerations Though nose tail moments play important part super critical few minor weight CG calculations yielded sat isfactory ratios Having flown free flight was fly years ago care count have few favorite percentages comes airfoil thickness So after considerable plotting fussing airfoil emerged looked very good wing load ing took 180-degree turn conven tion free flight ship should light loaded down stopping just over 5 pounds check-out flight turned time 55 minutes landed Winterhawk cause darkness Subsequent flights hour plus case terminated command first Winterhawk built 1/16 balsa-sheeted inboard panels 1/32 out board panels three wing joints epoxied use glass out spar After several near full-up eleva tor launches managed fold right wing panel about four inches out root right wing panel parted company ship just over 600 feet bit help large elevator rudder managed somewhat soften ground contact just before impact Repair wing using epoxy took about 30 minutes except few splits wood fuselage Subsequent balsa sheeted wings have included main spar shown plans However recommend 1/64 ply wood ultimate answer weight difference between balsa ply small 34 ounces balsa 36 ounces ply fascination hold Winterhawk unique its experience shared spoken Winterhawk pilots Since have principally devoted majority efforts design slope gliders flying wings sincere pleasure offer Win terhawk truly exceptional soaring craft Material List 121/16 X 4 X 36 10 1/32 X 4 X 36 equivalent 1/64 ply 13/16 X 3 X 362 3/16 x 4 x 36 5/8 X 3 X36 l2 X 3 X 3 block 1 sheet /s ply 18 Model Aviation Removing canopy ICirrus turned around makes easy access radio gear Battery usual goes front balanceand keep delicate items out way hopefully few cases inertia does its work Fiberglass fuselages foam wings available Initial success inspired whole fleet Winterhawks Though sailplane comes Out naturally about 4-1/2 lbs. Evans prefers ballast 5-1/2-6 lbs 12-15 os per sq ft loading Winterhawk foam cores available $1000 including shipping CA res idents add 6% Soaring Research 19216 Calvert St Reseda CA 91335 also can supply 1/64 plywood Win terhawk wing sheeting $1000 epoxy-fiberglass fuselage $3000 Construction As can see plans KISS keep simple stupid con struction principle used following construction sequence will helpful building time-saver Cut white-glue balsa leading edges wing cores set aside dry Cut out fuselage parts sides bot tom top doublers formers nose block White-glue fuselage doublers fuse sides making sure make Con tinjpd nn nab RR 3/16 sheet balsa tail surfaces make easy constructionlightening holes easy put Aacto noie ouncn suuesLuu Winterhawk employs KISS lkeep simple stupidl construction principle Authors plane Pontiac Firebird decal DJ Multistripes nifty trim -uW w FIRSI AROUND IH[ WORLD DOUGLAS WORLD CRUIS[R 1 72 SCALE PLASTIC MODEL KIT During 1 924 history-making Douglas World Cruisers made first around world flight Covering some 27553 miles epic voyage lasted 1 75 days Now can construct highly-detailed model famous aircraft KIT FEATURES WHEELS AND PONTOONS DECALS TO ALLOW FINISHING MODEL AS ANY ONE OF FIVE DIFFERENT AIRCRAFT TLE AGO ON NEW ORLEANS ON II $495 dealer direct adding 15% postage handling Send 5Q complete illustrated catalog DEPT AWdS 181 PAWNEE ST SAN MARCOS CA 92069 EROS counted record purposes situa tion would seem indicate record dependent upon modeler skills also upon quality competition resulting number fly-off rounds Could please explain situation William G Carson Quantico VA Fly-offs counted FF national records such Mulvikill quality competition isnt necessarily fac tor high figuressuch 68 mm 54 sec reason guy can keep going record purposes until misses max flighteven competi tion dropped out severaiflights back Wi nterhawklEvans continued page 19 right left side raise doub ler bottom edge fuse side allow fuse bottom fit between balsa sides below doubler Let dry Cut out trim sand 3/16 tail sur faces being sure cut lightening holes surfaces per plan Xacto makes punch can used drill ideal purpose Glue fuse parts together first pinning fuse bottom down flat surface glue pin sides corner squares formers rear top nose block Let dry Trim sand leading edges wing panels sheeting will fit neatly Cut wing sheeting size contact-cement sheeting cores using good waterbase contact cement Ep oxy wing panels together using 5-minute epoxy Set dihedral per plans may elect join wing halves using tubing wire should point generally make one-piece wing canopy made large Cirrus canopy turned end end Use Zap Zap filler secure canopy base After sanding fuselage other parts use favorite covering material install radio linkage trim original included small Pon tiac Firebird decal local Pontiac dealer parts epoxy paint DJ Multistripes product review product review product review Scale Drawings Catalogue Known large accurate beautifully drawn scale views Morrison Repla-Tech has added significant number exciting aircraft long list announces $100 total cost special catalogues covering ships aircraft RC Hirsch race-plane drawings later year brand-new RC flying model plans catalogue Morrison Repla-Tech 48500 McKenzie Highway Vida OR 97488 product review product review product review K LET US KNOW WHERE YOU ARE GOINGS move please let us know advancesix weeks re quired change address Attach current MA mailing label check appropriate box mail Subscription Dept Model Aviation 815 Fifteenth St. NW. Washington DC. 20005 COMPLETE THIS FORM AND ATTACH MAILING LABEL FROM RECENT ISSUE Check appropriate boxenclose payment 0 NEW SuBSCRIPTION 0 cHANGE OF ADDRESS Non-AMA subscription rates $1200 12 months Canada United States possession elsewhere $1400 NIAM F RC Scale/Wischers continued page 21 load before stretched Always wind extra turns used forming hooks Some airplanes have springs con nected directly usual applica tions have springs hooked rud der arm joined fork steer ing arm short lengths cable chain latter being common have searched authentic appearing chain stamped link type size small enough models have pro duce own last resort tiny links made thin hard aluminum chain being reproduced has links punched flat metal formed double thickness during assembly next link Houses double-hung windows use type chain sash counterweightsknown sash chain chain used tail wheels similar heavier chain small irregularly shaped holes punched using tool ground filed proper shape Using lead block anvil die holes punched aluminum first external shape link cut around holes scissors tedious re sulting chain appears authentic remarkably strong Although may seem exces sively laborious process create small amount authenticity finished re sult worth effort addition 88 Model Aviation ADDRESS CITY/STATE ____________________________________________ ZIP _______________ MODEL AVIATION 815 FIFTEENTH ST. NW. WASHINGTON DC 20005 FlyIng Near Airports Carefull Free Flight Radio Control Flying near airpofla situation might involve possibility models being vIcinity ot full-scale aircraft operationa muat avoidedor conducted eliminate dangerous situations Models should flown proximity fuli-scale aircraft operations unless flyer has someone else him sole purpose watching full-scale aircraft supervising flying prevent accident possibilities PROTECT YOUR RiGHT TO FLY Sale Flying No Accident appearance factor plane very pos itively controlled taxiing well during takeoff landing looks right functions intended Jerry Farr comes word Fifth Annual Scale Championships Abilene Texas two-day event fun fly Saturday AMA Scale Sun day June 10th 11th Contest includes free flight gas rubber peanut U-control sport RC sport RC jumbo sport e 80 minimum RC sport formation write Jerry Farr 2802 Rob ertson Dr Abilene Texas 79606 Bob Wischer Rt 1 S-221 Lapham Peak Road Delafield WI 53018 RC Aerobatics/VanPutte continued page 22 isnt available surface can job supposed second advantage using poly urethane varnish mentioned briefly Foam Techniques Part 3 varnish coatings provide double vapor barrier against harmful solvents protects foam against Very little weight added using polyurethane varnish think its well worth Speaking ideas Dan Befus edits KMAC Newsletter up Kalamazoo Michigan published following short article almost us can benefit women golly summer Im going teach wife fly Summer 42 still thinks hammerhead stall place keep retired sharks seems women fascinated product review product review product review Ball Wrench Set Fitting 4-40 6-32 socket head bolts heat-treated alloy steel ball driv ers lead cap screw head gle Price $395 Six-in Allen wrenches 44-40 6-32 socket head bolts also available two 98c Du-Bro Products Inc 480 Bon ner Rd Wauconde IL 60084 product review product review product review model aviation sport includes such variety skills could appeal almost anyone few women pilots Perhaps have ignored some subtle hints like timely pur chase official Amelia Earhart leather flight jacket Just because says doesnt want could means testing see really trust airplane am chief violator year ago young lady arent asked could fly plane said OK proceeded explain tricky expensive fragile airplane Needless say rattled bit backed down kept giving half-hearted Aw Cmon has never flown date Incidentally precious expensive plane Midwest foam Car dinal looked like built San ford Son trust women children family car think somehow world RC bit too much flatter ourselves thusly Sure bound crashes What else new summers end flying field garbage can looked like Columbian balsa forest after visit Paul Bunyan need women hobby creativity artistic sixth sense patience . Perhaps time made honest effort share piece selves themcontinued May1978 89
Edition: Model Aviation - 1978/05
Page Numbers: 16, 17, 18, 19, 88, 89
Author-designer Bill Evans displays pleas ing lines Winterhawk Has foam wing sheeted tail surfaces easy building WINTERHAWK combines strength tank flight characteristics bird prey combination de livers superior thermal time airframe longevity has goal say fellow fliers gee wont come down Winterhawk answer chief com plaint other fliers youve up hour about landing sol can use frequency Project Winterhawk undertaken deliver thermal craft several desir able qualities 1 Maximum flight time regardless lift conditionsaccomplished max imum-lift wing weight weight 16 Model Aviation Get line tension up before launch Use wing spar wing sheeted balsa either balsa plywood sheeting use glass cloth epoxy reinforce dihedral joints I/4S/Ir-BALSA LEADING EDGEN [v34][b18642320600]]1 -S32 ID ALUMINUM TUBE I/4 BALSA TIP RIB REQUIRED IF WINGS ARE .I/4 PLYWOOD RIBSHEETED WITH PLYWOODFDAM WING CORES COVERED WiTH BALSA SHEET-I/IBTHICK INBOARD I/2I/2HARDWOOD&I32THICK OTBOARDOTION COVER TIRWIMG WITH I/64 ThICK PLYWOOD 4 4 -3321DALUMINUM TUBE DIH CORAL DIAGRL2 NO SCALE DIHEDRAL GAGE K I4D1A DOWEL n 0 OL 00 Ill 00 0 o3 3/IBSHEET BALSA0 0 DIA MUSIC WIREELEVATOR ANDOL STABILIBER 3/32 DIA MUSIC WIRE00 00 CENTER SE Oti DIHEDRAL0OL SETTING WIRE TEMPLATES 00 __L LIGHTENING HOLES ARE PUNCHED IN WITH *ACTO I/2 DIA HOLE PUNCH 1 0 Ij IPLYIiPLYtPLY 3/I6SHEET BALSA0 CL IN AND RUDDER0 14 SHEET BALSATIP RIB CIRRUS CANOPY TURNEDI/43/BHARDWOOD MOUNTSWINGTIP HAS NERO WASHOUT END-FOR-ENDBALANCE POINT LONGERONS ARE I/rDIA DOWEL I/4SQUARE BALSA BRICK IirIl IKRAFT SPLICE BALSA SIDES & BOTTOM IF USING 3B SHEET FETQS& BOTTOM ADJUSTABLE TOW-HOOK YEDGE OF LIBPLYWOOD DOUBLER 9SCLE WING SPAN99 1/2 INCHES WING AREA 88250 IN STANDARD CLASS N/C SAILPLANE DESIGNED BY BILL EVANS WINTRRHAWK Al RIGHTS RESERVED %J FULL-SIZE PLANSAVAILABLE .. SEEPAGE 104 2 -b 0 ] 0 0 2 0 -Jo 0 CD -1 speed produce optimum lift 2 Airframe longevity since wing takes punishment high-impact almost indestructible fully-sheeted foam wing provided answer 3/16 sheet tail surfaces glass fuse Winterhawk has literally flown through trees cutting path clearing flying out other side testimony Dave Lloyd Daves Custom Models Glendale CA 3 Span exceed 100 inches actually 98 inches 4 Hands-off performance yet respon sive tested setting up climbing turn switching off transmitter Though majority Winterhawks built far have weighed just about four half pounds prefer fly just between five half six pounds 885 sq area gives 615 sq ft wing works out 12 15 oz per sq ft reaction wing loading too heavy glider skepticism would increase could pick up ship feel weight bets off after shoots up line first 10 minutes ticked off watch After first 60 minutes dis belief changes amazement knowledge flights Winterhawks have terminated pilots discre tion Winterhawk pilots have de veloped stiff necks getting feeling have completely mastered silent flight after turning flight after flight hour Design Considerations Though nose tail moments play important part super critical few minor weight CG calculations yielded sat isfactory ratios Having flown free flight was fly years ago care count have few favorite percentages comes airfoil thickness So after considerable plotting fussing airfoil emerged looked very good wing load ing took 180-degree turn conven tion free flight ship should light loaded down stopping just over 5 pounds check-out flight turned time 55 minutes landed Winterhawk cause darkness Subsequent flights hour plus case terminated command first Winterhawk built 1/16 balsa-sheeted inboard panels 1/32 out board panels three wing joints epoxied use glass out spar After several near full-up eleva tor launches managed fold right wing panel about four inches out root right wing panel parted company ship just over 600 feet bit help large elevator rudder managed somewhat soften ground contact just before impact Repair wing using epoxy took about 30 minutes except few splits wood fuselage Subsequent balsa sheeted wings have included main spar shown plans However recommend 1/64 ply wood ultimate answer weight difference between balsa ply small 34 ounces balsa 36 ounces ply fascination hold Winterhawk unique its experience shared spoken Winterhawk pilots Since have principally devoted majority efforts design slope gliders flying wings sincere pleasure offer Win terhawk truly exceptional soaring craft Material List 121/16 X 4 X 36 10 1/32 X 4 X 36 equivalent 1/64 ply 13/16 X 3 X 362 3/16 x 4 x 36 5/8 X 3 X36 l2 X 3 X 3 block 1 sheet /s ply 18 Model Aviation Removing canopy ICirrus turned around makes easy access radio gear Battery usual goes front balanceand keep delicate items out way hopefully few cases inertia does its work Fiberglass fuselages foam wings available Initial success inspired whole fleet Winterhawks Though sailplane comes Out naturally about 4-1/2 lbs. Evans prefers ballast 5-1/2-6 lbs 12-15 os per sq ft loading Winterhawk foam cores available $1000 including shipping CA res idents add 6% Soaring Research 19216 Calvert St Reseda CA 91335 also can supply 1/64 plywood Win terhawk wing sheeting $1000 epoxy-fiberglass fuselage $3000 Construction As can see plans KISS keep simple stupid con struction principle used following construction sequence will helpful building time-saver Cut white-glue balsa leading edges wing cores set aside dry Cut out fuselage parts sides bot tom top doublers formers nose block White-glue fuselage doublers fuse sides making sure make Con tinjpd nn nab RR 3/16 sheet balsa tail surfaces make easy constructionlightening holes easy put Aacto noie ouncn suuesLuu Winterhawk employs KISS lkeep simple stupidl construction principle Authors plane Pontiac Firebird decal DJ Multistripes nifty trim -uW w FIRSI AROUND IH[ WORLD DOUGLAS WORLD CRUIS[R 1 72 SCALE PLASTIC MODEL KIT During 1 924 history-making Douglas World Cruisers made first around world flight Covering some 27553 miles epic voyage lasted 1 75 days Now can construct highly-detailed model famous aircraft KIT FEATURES WHEELS AND PONTOONS DECALS TO ALLOW FINISHING MODEL AS ANY ONE OF FIVE DIFFERENT AIRCRAFT TLE AGO ON NEW ORLEANS ON II $495 dealer direct adding 15% postage handling Send 5Q complete illustrated catalog DEPT AWdS 181 PAWNEE ST SAN MARCOS CA 92069 EROS counted record purposes situa tion would seem indicate record dependent upon modeler skills also upon quality competition resulting number fly-off rounds Could please explain situation William G Carson Quantico VA Fly-offs counted FF national records such Mulvikill quality competition isnt necessarily fac tor high figuressuch 68 mm 54 sec reason guy can keep going record purposes until misses max flighteven competi tion dropped out severaiflights back Wi nterhawklEvans continued page 19 right left side raise doub ler bottom edge fuse side allow fuse bottom fit between balsa sides below doubler Let dry Cut out trim sand 3/16 tail sur faces being sure cut lightening holes surfaces per plan Xacto makes punch can used drill ideal purpose Glue fuse parts together first pinning fuse bottom down flat surface glue pin sides corner squares formers rear top nose block Let dry Trim sand leading edges wing panels sheeting will fit neatly Cut wing sheeting size contact-cement sheeting cores using good waterbase contact cement Ep oxy wing panels together using 5-minute epoxy Set dihedral per plans may elect join wing halves using tubing wire should point generally make one-piece wing canopy made large Cirrus canopy turned end end Use Zap Zap filler secure canopy base After sanding fuselage other parts use favorite covering material install radio linkage trim original included small Pon tiac Firebird decal local Pontiac dealer parts epoxy paint DJ Multistripes product review product review product review Scale Drawings Catalogue Known large accurate beautifully drawn scale views Morrison Repla-Tech has added significant number exciting aircraft long list announces $100 total cost special catalogues covering ships aircraft RC Hirsch race-plane drawings later year brand-new RC flying model plans catalogue Morrison Repla-Tech 48500 McKenzie Highway Vida OR 97488 product review product review product review K LET US KNOW WHERE YOU ARE GOINGS move please let us know advancesix weeks re quired change address Attach current MA mailing label check appropriate box mail Subscription Dept Model Aviation 815 Fifteenth St. NW. Washington DC. 20005 COMPLETE THIS FORM AND ATTACH MAILING LABEL FROM RECENT ISSUE Check appropriate boxenclose payment 0 NEW SuBSCRIPTION 0 cHANGE OF ADDRESS Non-AMA subscription rates $1200 12 months Canada United States possession elsewhere $1400 NIAM F RC Scale/Wischers continued page 21 load before stretched Always wind extra turns used forming hooks Some airplanes have springs con nected directly usual applica tions have springs hooked rud der arm joined fork steer ing arm short lengths cable chain latter being common have searched authentic appearing chain stamped link type size small enough models have pro duce own last resort tiny links made thin hard aluminum chain being reproduced has links punched flat metal formed double thickness during assembly next link Houses double-hung windows use type chain sash counterweightsknown sash chain chain used tail wheels similar heavier chain small irregularly shaped holes punched using tool ground filed proper shape Using lead block anvil die holes punched aluminum first external shape link cut around holes scissors tedious re sulting chain appears authentic remarkably strong Although may seem exces sively laborious process create small amount authenticity finished re sult worth effort addition 88 Model Aviation ADDRESS CITY/STATE ____________________________________________ ZIP _______________ MODEL AVIATION 815 FIFTEENTH ST. NW. WASHINGTON DC 20005 FlyIng Near Airports Carefull Free Flight Radio Control Flying near airpofla situation might involve possibility models being vIcinity ot full-scale aircraft operationa muat avoidedor conducted eliminate dangerous situations Models should flown proximity fuli-scale aircraft operations unless flyer has someone else him sole purpose watching full-scale aircraft supervising flying prevent accident possibilities PROTECT YOUR RiGHT TO FLY Sale Flying No Accident appearance factor plane very pos itively controlled taxiing well during takeoff landing looks right functions intended Jerry Farr comes word Fifth Annual Scale Championships Abilene Texas two-day event fun fly Saturday AMA Scale Sun day June 10th 11th Contest includes free flight gas rubber peanut U-control sport RC sport RC jumbo sport e 80 minimum RC sport formation write Jerry Farr 2802 Rob ertson Dr Abilene Texas 79606 Bob Wischer Rt 1 S-221 Lapham Peak Road Delafield WI 53018 RC Aerobatics/VanPutte continued page 22 isnt available surface can job supposed second advantage using poly urethane varnish mentioned briefly Foam Techniques Part 3 varnish coatings provide double vapor barrier against harmful solvents protects foam against Very little weight added using polyurethane varnish think its well worth Speaking ideas Dan Befus edits KMAC Newsletter up Kalamazoo Michigan published following short article almost us can benefit women golly summer Im going teach wife fly Summer 42 still thinks hammerhead stall place keep retired sharks seems women fascinated product review product review product review Ball Wrench Set Fitting 4-40 6-32 socket head bolts heat-treated alloy steel ball driv ers lead cap screw head gle Price $395 Six-in Allen wrenches 44-40 6-32 socket head bolts also available two 98c Du-Bro Products Inc 480 Bon ner Rd Wauconde IL 60084 product review product review product review model aviation sport includes such variety skills could appeal almost anyone few women pilots Perhaps have ignored some subtle hints like timely pur chase official Amelia Earhart leather flight jacket Just because says doesnt want could means testing see really trust airplane am chief violator year ago young lady arent asked could fly plane said OK proceeded explain tricky expensive fragile airplane Needless say rattled bit backed down kept giving half-hearted Aw Cmon has never flown date Incidentally precious expensive plane Midwest foam Car dinal looked like built San ford Son trust women children family car think somehow world RC bit too much flatter ourselves thusly Sure bound crashes What else new summers end flying field garbage can looked like Columbian balsa forest after visit Paul Bunyan need women hobby creativity artistic sixth sense patience . Perhaps time made honest effort share piece selves themcontinued May1978 89