Scale 0 Bob Dolly Wischer VACUUM FORMING Plastic Parts Mattel Vacu-Form useful producing small plastic parts size limited approximately 3-in length Larger parts such canopy require apparatus greater dimensions unlimited source vacuum past anyone wishing mold larger pieces construct vacuum frame scratch materials kit prefabricated parts such frame now available will vacuum mold 8 X 17 plastic sheets various materials kit consists wood metal parts build vacuum box per forated aluminum sheet top frame needed tightly grip edges plastic three- four-hour assembly job results ruggedly structured tool vacuum form parts large 6 X 12 X 3 high Included detailed instructions assembly well forming process hints materials hand ling home shop vacuum supplies energy plastic mounted securely frame softened heating kitchen oven lowered over pre pared form rests vacuum box Atmospheric pressure wraps plastic around form great force pressure inside box reduced about half normal sufficient cause blowouts unsupported areas plastic forming process almost instan taneous Parts kit ABS raw material various thicknesses available Idea Development Inc P 0 Box 7399 Newark DE 19711 Tail Wheels neglected areas detail authenticity tail wheel highly visible whether viewed close-up distance Sport Scale needs duplicated accurately max imum static points recent Nats 51 58 entries tail draggers some cases common skid tail wheel forked swivel presenting no great problem modeler Steerable tail wheels having exposed leaf springs linkages found popular planes no simple way reproduce detail Examining plane parts catalog find numerous variations size style depending upon weight size plane Leaf springs may have four leaves varying widths 1V4 1 1 Leaves become progressively longer shortest top long bot tom leaf bolted swivel bracket rear front through-bolt holds leaves together fuselage bottom saddle clamp second mounting rigidity wheel steering arm fastened single-sided fork passes through swivel bracket wheel can 4 6 diameter solid rub ber large 8 pneumatic tire would prefer use spring steel leaves have found very dif ficult fabricate because holes must pierced punch press usually found modelers shop Attempting drill spring steel burns drill bit becomes scrap small bits cannot easily resharpened satisfactory sub stitute alloy such spring temper grade phosphor bronze Rockwell hard ness B92-98 can cut filed drilled formed relative ease Being cop per alloy can blackened simulate appearance steel spring leaves cleaning pieces steel wool swabbing arsenious acid 20 Model Aviation Granger Williams Gee Bee Model Z Riverside Nats few miles away real Model z underway 1931 Thompson Trophy Winner Gee Bee z being recreated 47 years later Ed Mar quardt Flabob Airport near Riverside Public knew Flying Milk Bottle whereas later Super Sportster appropriately tagged Flying Silo Latter tricky RC flying solution prepared blackener used model railroaders available hobby shops ounce quantities can purchased through mail order railroad catalog such Walthers catalog has amazing number items useful scale plane modelers including hardto-get raw materials bracket connects spring leaves tail wheel fork best made hard aluminum alloy such 2024 alloy machines well does clog file drill gummy pure alum inum also wears better pivot hole likely become elliptical use shape need quite easily cut hack saw file spring leaf rests groove single screw will prevent turning miniature brass hexagon head screw nut other railroad items found hobby shops industry known strument screws can blackened 00a CHAIN LINK OPEN RUDDER ARM RONZE LEAVES STEERING ARM 6 DIA TIRE 2 II EPOXOLITEMUSIC WIRE CORE FORK46 I I INCHES same spring leaves heads coated lightly solder give plated appearance Similar hex screws used fasten assembly fuselage bottom bit manual dexterity required fashion tail wheel fork music wire After bending wire shape pair thrust washers soldered place act stops exposed por tion fork coated quite heavily Sig Epoxolite epoxy almost hard can whittled shape give desired appearance forging weld ment hardened Epoxolite sanded coated aluminum paint dope Most small sponge-rubber model wheels have tires round cross section full-size wheels pneumatic tire available shape planes use solid rubber tires have flat tread Realism lost unless outside peri pheral surface flattened Banner sponge rubber wheels can have tread flattened spinning wheel electric drill lathe holding file against sur face process reduces outside di ameter considerably start next larger size Tail wheel fork pivoted means linkages connecting fork rudder prevent ground shocks being transmitted through rudder hinges control cables pair ten sion springs added linkage springs found goodie rack hobby shop correct diameter proper size can wound music wire Winding springs easily learned art wound rod slightly smaller required diame ter collar rod set screw holds wire end rod rotated wind required number turns either lathe hand cranking Uni form tension should kept wire angle successive turns press against preceding turn produces initial tension gives spring Continued page 88 May1978 21 II I/ ii SWIVEL BRACKET ALUMINUM 81012 Left Tailwheel installation Piel Beryl Note use hex screws fastening Turnbuckle davis cross drilled safety wired ADF antenna protrudes fuselage sides Rudder stops tail post Center Aluminum bracket joins fork leaf spring tiny hex screw Fork has music wire core covered Epoxolite Steering arm soldered upper end music wire Right Tail wheel flattened file add authenticity chain link assembled previous link through elongated hole Tail wheel Pober Pixie twoleaf spring used very light plane Brass tube extensions coil springs have music wire core soldered inside rigidity -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: 20, 21, 88, 89
Scale 0 Bob Dolly Wischer VACUUM FORMING Plastic Parts Mattel Vacu-Form useful producing small plastic parts size limited approximately 3-in length Larger parts such canopy require apparatus greater dimensions unlimited source vacuum past anyone wishing mold larger pieces construct vacuum frame scratch materials kit prefabricated parts such frame now available will vacuum mold 8 X 17 plastic sheets various materials kit consists wood metal parts build vacuum box per forated aluminum sheet top frame needed tightly grip edges plastic three- four-hour assembly job results ruggedly structured tool vacuum form parts large 6 X 12 X 3 high Included detailed instructions assembly well forming process hints materials hand ling home shop vacuum supplies energy plastic mounted securely frame softened heating kitchen oven lowered over pre pared form rests vacuum box Atmospheric pressure wraps plastic around form great force pressure inside box reduced about half normal sufficient cause blowouts unsupported areas plastic forming process almost instan taneous Parts kit ABS raw material various thicknesses available Idea Development Inc P 0 Box 7399 Newark DE 19711 Tail Wheels neglected areas detail authenticity tail wheel highly visible whether viewed close-up distance Sport Scale needs duplicated accurately max imum static points recent Nats 51 58 entries tail draggers some cases common skid tail wheel forked swivel presenting no great problem modeler Steerable tail wheels having exposed leaf springs linkages found popular planes no simple way reproduce detail Examining plane parts catalog find numerous variations size style depending upon weight size plane Leaf springs may have four leaves varying widths 1V4 1 1 Leaves become progressively longer shortest top long bot tom leaf bolted swivel bracket rear front through-bolt holds leaves together fuselage bottom saddle clamp second mounting rigidity wheel steering arm fastened single-sided fork passes through swivel bracket wheel can 4 6 diameter solid rub ber large 8 pneumatic tire would prefer use spring steel leaves have found very dif ficult fabricate because holes must pierced punch press usually found modelers shop Attempting drill spring steel burns drill bit becomes scrap small bits cannot easily resharpened satisfactory sub stitute alloy such spring temper grade phosphor bronze Rockwell hard ness B92-98 can cut filed drilled formed relative ease Being cop per alloy can blackened simulate appearance steel spring leaves cleaning pieces steel wool swabbing arsenious acid 20 Model Aviation Granger Williams Gee Bee Model Z Riverside Nats few miles away real Model z underway 1931 Thompson Trophy Winner Gee Bee z being recreated 47 years later Ed Mar quardt Flabob Airport near Riverside Public knew Flying Milk Bottle whereas later Super Sportster appropriately tagged Flying Silo Latter tricky RC flying solution prepared blackener used model railroaders available hobby shops ounce quantities can purchased through mail order railroad catalog such Walthers catalog has amazing number items useful scale plane modelers including hardto-get raw materials bracket connects spring leaves tail wheel fork best made hard aluminum alloy such 2024 alloy machines well does clog file drill gummy pure alum inum also wears better pivot hole likely become elliptical use shape need quite easily cut hack saw file spring leaf rests groove single screw will prevent turning miniature brass hexagon head screw nut other railroad items found hobby shops industry known strument screws can blackened 00a CHAIN LINK OPEN RUDDER ARM RONZE LEAVES STEERING ARM 6 DIA TIRE 2 II EPOXOLITEMUSIC WIRE CORE FORK46 I I INCHES same spring leaves heads coated lightly solder give plated appearance Similar hex screws used fasten assembly fuselage bottom bit manual dexterity required fashion tail wheel fork music wire After bending wire shape pair thrust washers soldered place act stops exposed por tion fork coated quite heavily Sig Epoxolite epoxy almost hard can whittled shape give desired appearance forging weld ment hardened Epoxolite sanded coated aluminum paint dope Most small sponge-rubber model wheels have tires round cross section full-size wheels pneumatic tire available shape planes use solid rubber tires have flat tread Realism lost unless outside peri pheral surface flattened Banner sponge rubber wheels can have tread flattened spinning wheel electric drill lathe holding file against sur face process reduces outside di ameter considerably start next larger size Tail wheel fork pivoted means linkages connecting fork rudder prevent ground shocks being transmitted through rudder hinges control cables pair ten sion springs added linkage springs found goodie rack hobby shop correct diameter proper size can wound music wire Winding springs easily learned art wound rod slightly smaller required diame ter collar rod set screw holds wire end rod rotated wind required number turns either lathe hand cranking Uni form tension should kept wire angle successive turns press against preceding turn produces initial tension gives spring Continued page 88 May1978 21 II I/ ii SWIVEL BRACKET ALUMINUM 81012 Left Tailwheel installation Piel Beryl Note use hex screws fastening Turnbuckle davis cross drilled safety wired ADF antenna protrudes fuselage sides Rudder stops tail post Center Aluminum bracket joins fork leaf spring tiny hex screw Fork has music wire core covered Epoxolite Steering arm soldered upper end music wire Right Tail wheel flattened file add authenticity chain link assembled previous link through elongated hole Tail wheel Pober Pixie twoleaf spring used very light plane Brass tube extensions coil springs have music wire core soldered inside rigidity -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: 20, 21, 88, 89
Scale 0 Bob Dolly Wischer VACUUM FORMING Plastic Parts Mattel Vacu-Form useful producing small plastic parts size limited approximately 3-in length Larger parts such canopy require apparatus greater dimensions unlimited source vacuum past anyone wishing mold larger pieces construct vacuum frame scratch materials kit prefabricated parts such frame now available will vacuum mold 8 X 17 plastic sheets various materials kit consists wood metal parts build vacuum box per forated aluminum sheet top frame needed tightly grip edges plastic three- four-hour assembly job results ruggedly structured tool vacuum form parts large 6 X 12 X 3 high Included detailed instructions assembly well forming process hints materials hand ling home shop vacuum supplies energy plastic mounted securely frame softened heating kitchen oven lowered over pre pared form rests vacuum box Atmospheric pressure wraps plastic around form great force pressure inside box reduced about half normal sufficient cause blowouts unsupported areas plastic forming process almost instan taneous Parts kit ABS raw material various thicknesses available Idea Development Inc P 0 Box 7399 Newark DE 19711 Tail Wheels neglected areas detail authenticity tail wheel highly visible whether viewed close-up distance Sport Scale needs duplicated accurately max imum static points recent Nats 51 58 entries tail draggers some cases common skid tail wheel forked swivel presenting no great problem modeler Steerable tail wheels having exposed leaf springs linkages found popular planes no simple way reproduce detail Examining plane parts catalog find numerous variations size style depending upon weight size plane Leaf springs may have four leaves varying widths 1V4 1 1 Leaves become progressively longer shortest top long bot tom leaf bolted swivel bracket rear front through-bolt holds leaves together fuselage bottom saddle clamp second mounting rigidity wheel steering arm fastened single-sided fork passes through swivel bracket wheel can 4 6 diameter solid rub ber large 8 pneumatic tire would prefer use spring steel leaves have found very dif ficult fabricate because holes must pierced punch press usually found modelers shop Attempting drill spring steel burns drill bit becomes scrap small bits cannot easily resharpened satisfactory sub stitute alloy such spring temper grade phosphor bronze Rockwell hard ness B92-98 can cut filed drilled formed relative ease Being cop per alloy can blackened simulate appearance steel spring leaves cleaning pieces steel wool swabbing arsenious acid 20 Model Aviation Granger Williams Gee Bee Model Z Riverside Nats few miles away real Model z underway 1931 Thompson Trophy Winner Gee Bee z being recreated 47 years later Ed Mar quardt Flabob Airport near Riverside Public knew Flying Milk Bottle whereas later Super Sportster appropriately tagged Flying Silo Latter tricky RC flying solution prepared blackener used model railroaders available hobby shops ounce quantities can purchased through mail order railroad catalog such Walthers catalog has amazing number items useful scale plane modelers including hardto-get raw materials bracket connects spring leaves tail wheel fork best made hard aluminum alloy such 2024 alloy machines well does clog file drill gummy pure alum inum also wears better pivot hole likely become elliptical use shape need quite easily cut hack saw file spring leaf rests groove single screw will prevent turning miniature brass hexagon head screw nut other railroad items found hobby shops industry known strument screws can blackened 00a CHAIN LINK OPEN RUDDER ARM RONZE LEAVES STEERING ARM 6 DIA TIRE 2 II EPOXOLITEMUSIC WIRE CORE FORK46 I I INCHES same spring leaves heads coated lightly solder give plated appearance Similar hex screws used fasten assembly fuselage bottom bit manual dexterity required fashion tail wheel fork music wire After bending wire shape pair thrust washers soldered place act stops exposed por tion fork coated quite heavily Sig Epoxolite epoxy almost hard can whittled shape give desired appearance forging weld ment hardened Epoxolite sanded coated aluminum paint dope Most small sponge-rubber model wheels have tires round cross section full-size wheels pneumatic tire available shape planes use solid rubber tires have flat tread Realism lost unless outside peri pheral surface flattened Banner sponge rubber wheels can have tread flattened spinning wheel electric drill lathe holding file against sur face process reduces outside di ameter considerably start next larger size Tail wheel fork pivoted means linkages connecting fork rudder prevent ground shocks being transmitted through rudder hinges control cables pair ten sion springs added linkage springs found goodie rack hobby shop correct diameter proper size can wound music wire Winding springs easily learned art wound rod slightly smaller required diame ter collar rod set screw holds wire end rod rotated wind required number turns either lathe hand cranking Uni form tension should kept wire angle successive turns press against preceding turn produces initial tension gives spring Continued page 88 May1978 21 II I/ ii SWIVEL BRACKET ALUMINUM 81012 Left Tailwheel installation Piel Beryl Note use hex screws fastening Turnbuckle davis cross drilled safety wired ADF antenna protrudes fuselage sides Rudder stops tail post Center Aluminum bracket joins fork leaf spring tiny hex screw Fork has music wire core covered Epoxolite Steering arm soldered upper end music wire Right Tail wheel flattened file add authenticity chain link assembled previous link through elongated hole Tail wheel Pober Pixie twoleaf spring used very light plane Brass tube extensions coil springs have music wire core soldered inside rigidity -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: 20, 21, 88, 89
Scale 0 Bob Dolly Wischer VACUUM FORMING Plastic Parts Mattel Vacu-Form useful producing small plastic parts size limited approximately 3-in length Larger parts such canopy require apparatus greater dimensions unlimited source vacuum past anyone wishing mold larger pieces construct vacuum frame scratch materials kit prefabricated parts such frame now available will vacuum mold 8 X 17 plastic sheets various materials kit consists wood metal parts build vacuum box per forated aluminum sheet top frame needed tightly grip edges plastic three- four-hour assembly job results ruggedly structured tool vacuum form parts large 6 X 12 X 3 high Included detailed instructions assembly well forming process hints materials hand ling home shop vacuum supplies energy plastic mounted securely frame softened heating kitchen oven lowered over pre pared form rests vacuum box Atmospheric pressure wraps plastic around form great force pressure inside box reduced about half normal sufficient cause blowouts unsupported areas plastic forming process almost instan taneous Parts kit ABS raw material various thicknesses available Idea Development Inc P 0 Box 7399 Newark DE 19711 Tail Wheels neglected areas detail authenticity tail wheel highly visible whether viewed close-up distance Sport Scale needs duplicated accurately max imum static points recent Nats 51 58 entries tail draggers some cases common skid tail wheel forked swivel presenting no great problem modeler Steerable tail wheels having exposed leaf springs linkages found popular planes no simple way reproduce detail Examining plane parts catalog find numerous variations size style depending upon weight size plane Leaf springs may have four leaves varying widths 1V4 1 1 Leaves become progressively longer shortest top long bot tom leaf bolted swivel bracket rear front through-bolt holds leaves together fuselage bottom saddle clamp second mounting rigidity wheel steering arm fastened single-sided fork passes through swivel bracket wheel can 4 6 diameter solid rub ber large 8 pneumatic tire would prefer use spring steel leaves have found very dif ficult fabricate because holes must pierced punch press usually found modelers shop Attempting drill spring steel burns drill bit becomes scrap small bits cannot easily resharpened satisfactory sub stitute alloy such spring temper grade phosphor bronze Rockwell hard ness B92-98 can cut filed drilled formed relative ease Being cop per alloy can blackened simulate appearance steel spring leaves cleaning pieces steel wool swabbing arsenious acid 20 Model Aviation Granger Williams Gee Bee Model Z Riverside Nats few miles away real Model z underway 1931 Thompson Trophy Winner Gee Bee z being recreated 47 years later Ed Mar quardt Flabob Airport near Riverside Public knew Flying Milk Bottle whereas later Super Sportster appropriately tagged Flying Silo Latter tricky RC flying solution prepared blackener used model railroaders available hobby shops ounce quantities can purchased through mail order railroad catalog such Walthers catalog has amazing number items useful scale plane modelers including hardto-get raw materials bracket connects spring leaves tail wheel fork best made hard aluminum alloy such 2024 alloy machines well does clog file drill gummy pure alum inum also wears better pivot hole likely become elliptical use shape need quite easily cut hack saw file spring leaf rests groove single screw will prevent turning miniature brass hexagon head screw nut other railroad items found hobby shops industry known strument screws can blackened 00a CHAIN LINK OPEN RUDDER ARM RONZE LEAVES STEERING ARM 6 DIA TIRE 2 II EPOXOLITEMUSIC WIRE CORE FORK46 I I INCHES same spring leaves heads coated lightly solder give plated appearance Similar hex screws used fasten assembly fuselage bottom bit manual dexterity required fashion tail wheel fork music wire After bending wire shape pair thrust washers soldered place act stops exposed por tion fork coated quite heavily Sig Epoxolite epoxy almost hard can whittled shape give desired appearance forging weld ment hardened Epoxolite sanded coated aluminum paint dope Most small sponge-rubber model wheels have tires round cross section full-size wheels pneumatic tire available shape planes use solid rubber tires have flat tread Realism lost unless outside peri pheral surface flattened Banner sponge rubber wheels can have tread flattened spinning wheel electric drill lathe holding file against sur face process reduces outside di ameter considerably start next larger size Tail wheel fork pivoted means linkages connecting fork rudder prevent ground shocks being transmitted through rudder hinges control cables pair ten sion springs added linkage springs found goodie rack hobby shop correct diameter proper size can wound music wire Winding springs easily learned art wound rod slightly smaller required diame ter collar rod set screw holds wire end rod rotated wind required number turns either lathe hand cranking Uni form tension should kept wire angle successive turns press against preceding turn produces initial tension gives spring Continued page 88 May1978 21 II I/ ii SWIVEL BRACKET ALUMINUM 81012 Left Tailwheel installation Piel Beryl Note use hex screws fastening Turnbuckle davis cross drilled safety wired ADF antenna protrudes fuselage sides Rudder stops tail post Center Aluminum bracket joins fork leaf spring tiny hex screw Fork has music wire core covered Epoxolite Steering arm soldered upper end music wire Right Tail wheel flattened file add authenticity chain link assembled previous link through elongated hole Tail wheel Pober Pixie twoleaf spring used very light plane Brass tube extensions coil springs have music wire core soldered inside rigidity -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