Yes foam wing cores can recycled expert answers questions about foam EGordy Stahl AS SIMITAR enthusiast Id never given much thought foam use wing cores models recent headlines about use foam fast food restaurants ecological reasons made want learn Id done quite lot research foam-cutting techniques knew little about comparative qualities different types foam Id cut plenty cores yet no idea whether posed potential health hazards Since live Wisconsin decided get some facts reliable source found source Fond du Lac Wisconsin Expanded Polystyrene Inc job tied construction industry company highly recommended Wisconsin Expanded Polystyrene Inc facility Fond du Lac Wisconsin several contractors use huge quantities Heres what asked Mr Huempfner foam insulation applications answered assured straight factual candid answers people WEPS called WEPS directed its Marketing Manager Thomas Huempfner explained quest scheduled appointment compiled list questions collected other modelers club everyones concerns interests would answered Mr Huempfner began overview WEPS facility products After pretty much held him task list True WEPS reputation knew product showed pride business 1 Is foam really recyclable bet once Unlike other types materials polystyrenes can used over over again plant industry has recycling nearly in-house scraps since its inception 1985 Polystyrene material used manufacture both types foam hobby uses wing cores Unlike organic material decomposes creates toxic polluting explosive methane gas polystyrene inert does decompose will support fungus bacteria organic materials bird January 1992 75 machine Inflating foam beads Raw polystyrene granuies Tom Huempfner left Marketing Manager WEPS stands thefed pumper-upper uses pressure steam author between finished slabs foam called billetsconvert beads employed manufacturing EPS foam human ingest polystyrene foam hed float better two would pass harmlessly through system As far taldng up landfill space polystyrenes combined take up less one-quarter percent present landfill sites its incinerated converts usable heat energy one-hundredth percent its original volume left nontoxic ash present 10 styrene recycling facilities operation lot planned 2 What about fumes released during foam wing cutting Also problem Industry tests show burning piece hardwood releases toxins same amount styrene Its good common sense always have good ventilation shop protect yourself against dust fumes paints adhesives no extra precautions necessary working styrene foam 3 How foam made First have clarify what foam talking aboutexpanded extruded Expanded polystyrene white-bead variety kind specialize manufacturing Extruded polystyrene colored hairy type usually seen blue yellow pink expanding process granular styrene material fed steam heat process sort pumps up process controlled create four densities beadlike material beads cured huge netlike hoppers allow become dimensionally stable point depending foam needed new beads either mixed reground-recycled bead injected virgin state-of-the-art vacuum-molding machine machine molds fuses beads via steam heat pressure large slab smaller pieces hot-wire-cut needed customers Extruded foam starts out two-part liquid styrene blown mold hydrocarbon propellant commonly misused name polystyrene foam materials Styrofoam actually thats brand name extruded polystyrene trade name expanded polystyrene Sno-Foam slabs billets foam cured curing room temperature 1280 immediately after forming helps become dimensionally stable ensures quality control product billet 24 long 4 wide 33 deep have ability deliver virtually size needed billet process would normally take six weeks room temperature far less assurance result special applicationsie wings cured best way go 4 So better White expanded foam colored extruded type Opinion tells colored foam stronger easier sand resistant UV ultraviolet light deterioration Fact will show same density white foam less expensive sands just nicely cuts easily has nearly same flexural strength actually better way its ability return its original shape after compression extruded foam youre used using 15- 2-lb density expanded foam 1-lb density Apples apples 2-lb white expanded foam better value no losses workability strength its average 30 40 percent lower cost Its important use virgin foam wings demand close tolerances since regrind foam uniform density cutting characteristics believe modelers used regrind product whats commonly available insulation applications 5 What about custom-molded foam products Are stronger Probably youre referring model made custom-molded expanded polystyrene foam has hard smoothfinished look Its actually 2-lb density hot mold gives its skin sheen implies some extra strength characteristics fact little no advantage over wire-cut two-pound-density foam gained molding process other aesthetics 6 What about dimensional stability expanded polystyrene EPS its hot cold outside First lets get misconception about styrene foam absorbing water out way doesnt wont unless water 76 Model Aviation foam billet-molding machine also WEPS facility uses pressure vacuum steam heat expanded polystyrene beads turn out huge foam billets Continued page 174 Tom Huempfner dwarfed WEPS automated hot-wire chopper machine cuts foam billets customer requirements APC PROPELLERS Sound Supression Oesign High Thrust Efficiency Long Fiber Advanced Composite Material Proven Performance US Masters US Nationals Canadian Nationals World Championships Sports Sizes 57x3 7x3 7x4 7x57x67x7 7x8 7x9 7x10 BEACH 8x4 Bx5 8x6 8x7 6x8 8x9 6x10$179 EACH 9x4 9x5 9x69x7 2x8 9x29x10$199EACH 95545 10x3 10x4* 1055* 10x6 10x7 10x8 10x9 lOxiD $229EACH llxB lixY$249EACH 12x6 12x7 12x6.$ 269 EACH Reverse Pitch Pusher 956* 10x6* 10x7*10x8* 11x6*11x7*. $39SEACH Competition 78x4 78x6 78x7 9x65 9x75 9x85 $395EACH 11 slO 11 xli 11 x12 11 x12W 11x13 11x14 12x9 12x9W 12x12 12x12N12x13 12x13N 12x14 125x912SxlO 125x11 125x12 13x9 13x10 $795 EACH 135x9* 135x 125135 x 133* 135x 14 14x6*14x8 l4xIQ 14x 12 14513* 14x 135* 14x 14 144x 105 144x12 144x 13* 15x8 15x1015x11* 15x12 16x6 16x10 16x12$1295 EACH Carbon Fiber* 7Bx4 78x6 78x7$1600 EACH 9x659x75 9x85$2500 EACH New sizes Contact local hobby dealer first doesnt have whet need order direct 91 6-861-6515 Mnsfactwd Landing Podwts PO Box 938 Knight Lending CA 98048 FF Duration/Naught Continued page 170 eligibility thus come up local rules need able arrive consensus Larsh feels Nostalgia developed event envisioned could build models flew loved old days majority opinion own views Nostalgia slightly differentprobably because Im old enough 36 have flown old days models like looks performance 55 56 British models have built some Nostalgia use interesting fly because new key element though whether Ive flown Y-Bar Ramrod Space Wamp models fi4n flyeven competitive event Isnt what should about fl Foam/Stahl Continued page 76 pressure forced foam submerged water long period time water would enter foam up 25% volume foam doesnt absorb moisture humidity As far its dimensional stability foam will expand contract over period time maximum multiplier 000035 degree temperature Which translates virtually no expansion contraction Using sheeting material same characteristics would best Also foam resists heat up 167 continuous 7 What type wire use cutters use steel wire some nickel brand name Rene Wire Its 014 thick purchase company called National Standard telephone 616/683-8100 machines extremely precise automated wire suspended between two springs approximately % in diameter 3 long wire relatively loose considering cut eight feet wide 8 What new innovations foam way Franidy leaders foam technology Europeans will take something pretty special replace styrene foam using today Most innovations special application uses cutting computer-controlled creative shaping have own CAD setup in-house design staff CNC cutting machine allows us Continued page 176 174 Model Aviation RIC BEGINNERS very up-beat hobby Once have soloed will probably hooked far life luf soloing problem hobby loses leasf half ifs potential fliers because fail successfully solo IT ISNT THEIR FAULT ITS THE PLANES FAULT disgrace hobby aero modeling industry required police itself free fo call atrodfy guided missile TRAINER just some advertised trainers impossible beginner solo with help instructorl seems norm crash ruin 4 5 planes before becoming successful both stupid costly mention real turn-off new student quite unnecessary YOU COULD SOLO YOUR FIRST TIME UP ructorl Thanks extensive flight-testing ever conducted hobby ou can now know ad vance ones fly slow hands-off stable easy enough Grandma just so-so intermediate ones deserve trainer label stretch imagination Send S350 plus 52C postage EASEOFFLYING RATINGS OF RIC TRAINERS Over 40 currently avaikble trainers evaluated including ARFs Also grades ease-of-building explains trainer aerodynamics dares address questions poor trainers good trainers marketed does no warn about Guarantee money back say eye-opening informative time saving money-saving frustration-sparing RIO publication have ever read Testimonials available request Jim Waterman 3816 DeerfIgid Dr Dept MA San Antonio TX 76218 SIG MANUFACTURING CO now imports complete line world record holding ROSSI aircraft marine helicopter race car engines includes full line parts accessories plus full time ROSSI REPAIR CENTER us SIG-imported ROSSI engines come full 90 day SIG WARRANTY against work manship manufacturing defects SIG MANUFACTURING CO INC . Montezuma IA 50171 PH 515-623-5154FAX 515-623-3922ToIl Free Orders 800-247-5008 $26995 HAWKER H IRRICAME 80 SPAN 1 90-D9 6925 SPAN FW-1 90-A 6925 SPAN 4. ME-109 65 SPAN Foam/Stahl Continued page 174 unusual sculptured shapeseven theatrical background set pieces would certainly cut some beautiful wing cores setup cost might cut flying budgets company uses Selig Donovan airfoilI didnt catch onethat looked absolutely symmetrical chatted awhile about different adhesives WEPS doesnt get too much Ironically company does produce sheeted foam wall homes buildings uses /2-in wood construction sheeting 9 can modelers find expanded polystyrene foam supplier near live Simply dial 1-800-255-0176 Thatll get touch AFM Corporationa partnership 35 EPS manufacturers North America Hawaii Puerto Rico have joined together develop test manufacture market consistent-quality AFM brand-name EPS products Theyll give location nearest EPS source Day turned night long ride home felt pretty good about what Id learned especially $29995$27995 Now Available 6 M-2 ZERO 80 SPAN above kits feature fiexiglass fuselages machine cut foam $279955d6 balsa wood clear plans ctons views used 10 design ot dl Vac-U Formed bumps tasters mad*re guns eto hard wotk already done Engine sizes range Iron 90101082 cyc 12O4cyc Innovative has stuff looking Dummy Radials RMI Makers Pilots Retracts & $26995 CHECK ThESE OPTIONS Ill Complete cockpit kit models S Bombs tanks hard points 0 Pilots Scale flea Hubsl 0 Retract support equipment Innovative has plans ball favorite war birds Hawker Tempest . 82 span 1/5th sCale Hawker Typhoon . 8313 span 1/5th scale Hawker Sea Fury . 8225 span 1/5th scale TA-152H . 11375 span 1/5th scale SilO Dauntless . 85 span 1/5th scale P-51A1A36 . 7625 span 1/8th scale MIG3.spansllspanl/5thscale Plus 37 plans send catalog today plans can cut kits Call quotes $26995 Photo D-9 Ray Schdelceiu Boise ID time scale masters qualifier sinovatives FWt900-9 Best Luck Ray 15t4 Scale RC Modeler says IMP kits best money PFMTM Bl37 02 Tube SUPER ADHE IVE $995 Other Calls 1306-978-9033 Tot Free Oder Une 1400780-3190 Fax Number 1 -306-97S-901 Add $20 Shipping MasterCard & Vsa acpt POBOX 1 Order 1991 catalogue now $300 Margate FL 33063 about foam wings thanks WEPS Tom Huempfner time information Note author Commander Midwest Simitar Squadron Editor E FF Old-Timers/Baker Continued page 64 back work Free Flight column Loren retired now like others hear going back modeling roots writes Certainly am enjoying AMAs Model Aviation magazine after 10-year layoff modeling Im now retired have time recapture special moments youth 1930s Ive built eight old Rubber-powered loves have nicely adjusted hanging up await monthly flights Early found need easily carried winding stooge well building alignment fixture Im cheap handy About winding stooge platform see photo two legs hinged swing flat against board after use held Velcro U-shaped bracket top rear accepts tail skid nail passes through bracket skid large nail goes through rear board ground resist pull winder couple hardware store clips hold winders handle makes easy carry can use stooge solono assistant neededan important feature us small town folk About alignment fixture Little rubber-powered models hard hold attaching landing gear preparing wing tail platforms such 1 x 4 pine board two straps two angles hardware store make adjustable 90 uprights couple Masonite pads hot-glued uprights voila alignment fixture As young boy wilds Montana built Ace Whitman dime store models discovery local railman built immaculate Earl Stahl flying Scale deliverance name Model Airplane News meant suspect Auntie Em did Dorothy retired decided re-create old loves now hang shaded rafters new shop take turns flying college green week Always enter shop nostalgia whispers namesFalcon Albatross Air Raider Miss Worlds Fair Moth Victory Curtiss RobinE Up Around/Aldrich Continued page 66 size flying box sign trouble puts test plug engine engine starts runs should test plug goes back flying box new plug installed Always having known standard always has something dependable fall back Newly manufactured plugs available today number sources old spark plugs pull same fade out act have Harry Murphy sage FF columnist called few months ago discuss something other passing mentioned squirrely newly finished So Longan OTFF design ol Harry said try 33% balance point looked up Air Trails article adhering 40% CG stated What difference little over can make plan Ive seen great old design has shown almost no decalage model needed over inch positive under wing 40% balance point Now ncing tad decalage stable under power Thanks Harry dont enter contests once did truly enjoyed Five Flags meet put Tom McLaughlin Continued page 178 176 Model Aviation P-51D MUSTANG 7675 SPAN P-47 THUNDERBOLT 80 SPAN
Edition: Model Aviation - 1992/01
Page Numbers: 75, 76, 174, 176
Yes foam wing cores can recycled expert answers questions about foam EGordy Stahl AS SIMITAR enthusiast Id never given much thought foam use wing cores models recent headlines about use foam fast food restaurants ecological reasons made want learn Id done quite lot research foam-cutting techniques knew little about comparative qualities different types foam Id cut plenty cores yet no idea whether posed potential health hazards Since live Wisconsin decided get some facts reliable source found source Fond du Lac Wisconsin Expanded Polystyrene Inc job tied construction industry company highly recommended Wisconsin Expanded Polystyrene Inc facility Fond du Lac Wisconsin several contractors use huge quantities Heres what asked Mr Huempfner foam insulation applications answered assured straight factual candid answers people WEPS called WEPS directed its Marketing Manager Thomas Huempfner explained quest scheduled appointment compiled list questions collected other modelers club everyones concerns interests would answered Mr Huempfner began overview WEPS facility products After pretty much held him task list True WEPS reputation knew product showed pride business 1 Is foam really recyclable bet once Unlike other types materials polystyrenes can used over over again plant industry has recycling nearly in-house scraps since its inception 1985 Polystyrene material used manufacture both types foam hobby uses wing cores Unlike organic material decomposes creates toxic polluting explosive methane gas polystyrene inert does decompose will support fungus bacteria organic materials bird January 1992 75 machine Inflating foam beads Raw polystyrene granuies Tom Huempfner left Marketing Manager WEPS stands thefed pumper-upper uses pressure steam author between finished slabs foam called billetsconvert beads employed manufacturing EPS foam human ingest polystyrene foam hed float better two would pass harmlessly through system As far taldng up landfill space polystyrenes combined take up less one-quarter percent present landfill sites its incinerated converts usable heat energy one-hundredth percent its original volume left nontoxic ash present 10 styrene recycling facilities operation lot planned 2 What about fumes released during foam wing cutting Also problem Industry tests show burning piece hardwood releases toxins same amount styrene Its good common sense always have good ventilation shop protect yourself against dust fumes paints adhesives no extra precautions necessary working styrene foam 3 How foam made First have clarify what foam talking aboutexpanded extruded Expanded polystyrene white-bead variety kind specialize manufacturing Extruded polystyrene colored hairy type usually seen blue yellow pink expanding process granular styrene material fed steam heat process sort pumps up process controlled create four densities beadlike material beads cured huge netlike hoppers allow become dimensionally stable point depending foam needed new beads either mixed reground-recycled bead injected virgin state-of-the-art vacuum-molding machine machine molds fuses beads via steam heat pressure large slab smaller pieces hot-wire-cut needed customers Extruded foam starts out two-part liquid styrene blown mold hydrocarbon propellant commonly misused name polystyrene foam materials Styrofoam actually thats brand name extruded polystyrene trade name expanded polystyrene Sno-Foam slabs billets foam cured curing room temperature 1280 immediately after forming helps become dimensionally stable ensures quality control product billet 24 long 4 wide 33 deep have ability deliver virtually size needed billet process would normally take six weeks room temperature far less assurance result special applicationsie wings cured best way go 4 So better White expanded foam colored extruded type Opinion tells colored foam stronger easier sand resistant UV ultraviolet light deterioration Fact will show same density white foam less expensive sands just nicely cuts easily has nearly same flexural strength actually better way its ability return its original shape after compression extruded foam youre used using 15- 2-lb density expanded foam 1-lb density Apples apples 2-lb white expanded foam better value no losses workability strength its average 30 40 percent lower cost Its important use virgin foam wings demand close tolerances since regrind foam uniform density cutting characteristics believe modelers used regrind product whats commonly available insulation applications 5 What about custom-molded foam products Are stronger Probably youre referring model made custom-molded expanded polystyrene foam has hard smoothfinished look Its actually 2-lb density hot mold gives its skin sheen implies some extra strength characteristics fact little no advantage over wire-cut two-pound-density foam gained molding process other aesthetics 6 What about dimensional stability expanded polystyrene EPS its hot cold outside First lets get misconception about styrene foam absorbing water out way doesnt wont unless water 76 Model Aviation foam billet-molding machine also WEPS facility uses pressure vacuum steam heat expanded polystyrene beads turn out huge foam billets Continued page 174 Tom Huempfner dwarfed WEPS automated hot-wire chopper machine cuts foam billets customer requirements APC PROPELLERS Sound Supression Oesign High Thrust Efficiency Long Fiber Advanced Composite Material Proven Performance US Masters US Nationals Canadian Nationals World Championships Sports Sizes 57x3 7x3 7x4 7x57x67x7 7x8 7x9 7x10 BEACH 8x4 Bx5 8x6 8x7 6x8 8x9 6x10$179 EACH 9x4 9x5 9x69x7 2x8 9x29x10$199EACH 95545 10x3 10x4* 1055* 10x6 10x7 10x8 10x9 lOxiD $229EACH llxB lixY$249EACH 12x6 12x7 12x6.$ 269 EACH Reverse Pitch Pusher 956* 10x6* 10x7*10x8* 11x6*11x7*. $39SEACH Competition 78x4 78x6 78x7 9x65 9x75 9x85 $395EACH 11 slO 11 xli 11 x12 11 x12W 11x13 11x14 12x9 12x9W 12x12 12x12N12x13 12x13N 12x14 125x912SxlO 125x11 125x12 13x9 13x10 $795 EACH 135x9* 135x 125135 x 133* 135x 14 14x6*14x8 l4xIQ 14x 12 14513* 14x 135* 14x 14 144x 105 144x12 144x 13* 15x8 15x1015x11* 15x12 16x6 16x10 16x12$1295 EACH Carbon Fiber* 7Bx4 78x6 78x7$1600 EACH 9x659x75 9x85$2500 EACH New sizes Contact local hobby dealer first doesnt have whet need order direct 91 6-861-6515 Mnsfactwd Landing Podwts PO Box 938 Knight Lending CA 98048 FF Duration/Naught Continued page 170 eligibility thus come up local rules need able arrive consensus Larsh feels Nostalgia developed event envisioned could build models flew loved old days majority opinion own views Nostalgia slightly differentprobably because Im old enough 36 have flown old days models like looks performance 55 56 British models have built some Nostalgia use interesting fly because new key element though whether Ive flown Y-Bar Ramrod Space Wamp models fi4n flyeven competitive event Isnt what should about fl Foam/Stahl Continued page 76 pressure forced foam submerged water long period time water would enter foam up 25% volume foam doesnt absorb moisture humidity As far its dimensional stability foam will expand contract over period time maximum multiplier 000035 degree temperature Which translates virtually no expansion contraction Using sheeting material same characteristics would best Also foam resists heat up 167 continuous 7 What type wire use cutters use steel wire some nickel brand name Rene Wire Its 014 thick purchase company called National Standard telephone 616/683-8100 machines extremely precise automated wire suspended between two springs approximately % in diameter 3 long wire relatively loose considering cut eight feet wide 8 What new innovations foam way Franidy leaders foam technology Europeans will take something pretty special replace styrene foam using today Most innovations special application uses cutting computer-controlled creative shaping have own CAD setup in-house design staff CNC cutting machine allows us Continued page 176 174 Model Aviation RIC BEGINNERS very up-beat hobby Once have soloed will probably hooked far life luf soloing problem hobby loses leasf half ifs potential fliers because fail successfully solo IT ISNT THEIR FAULT ITS THE PLANES FAULT disgrace hobby aero modeling industry required police itself free fo call atrodfy guided missile TRAINER just some advertised trainers impossible beginner solo with help instructorl seems norm crash ruin 4 5 planes before becoming successful both stupid costly mention real turn-off new student quite unnecessary YOU COULD SOLO YOUR FIRST TIME UP ructorl Thanks extensive flight-testing ever conducted hobby ou can now know ad vance ones fly slow hands-off stable easy enough Grandma just so-so intermediate ones deserve trainer label stretch imagination Send S350 plus 52C postage EASEOFFLYING RATINGS OF RIC TRAINERS Over 40 currently avaikble trainers evaluated including ARFs Also grades ease-of-building explains trainer aerodynamics dares address questions poor trainers good trainers marketed does no warn about Guarantee money back say eye-opening informative time saving money-saving frustration-sparing RIO publication have ever read Testimonials available request Jim Waterman 3816 DeerfIgid Dr Dept MA San Antonio TX 76218 SIG MANUFACTURING CO now imports complete line world record holding ROSSI aircraft marine helicopter race car engines includes full line parts accessories plus full time ROSSI REPAIR CENTER us SIG-imported ROSSI engines come full 90 day SIG WARRANTY against work manship manufacturing defects SIG MANUFACTURING CO INC . Montezuma IA 50171 PH 515-623-5154FAX 515-623-3922ToIl Free Orders 800-247-5008 $26995 HAWKER H IRRICAME 80 SPAN 1 90-D9 6925 SPAN FW-1 90-A 6925 SPAN 4. ME-109 65 SPAN Foam/Stahl Continued page 174 unusual sculptured shapeseven theatrical background set pieces would certainly cut some beautiful wing cores setup cost might cut flying budgets company uses Selig Donovan airfoilI didnt catch onethat looked absolutely symmetrical chatted awhile about different adhesives WEPS doesnt get too much Ironically company does produce sheeted foam wall homes buildings uses /2-in wood construction sheeting 9 can modelers find expanded polystyrene foam supplier near live Simply dial 1-800-255-0176 Thatll get touch AFM Corporationa partnership 35 EPS manufacturers North America Hawaii Puerto Rico have joined together develop test manufacture market consistent-quality AFM brand-name EPS products Theyll give location nearest EPS source Day turned night long ride home felt pretty good about what Id learned especially $29995$27995 Now Available 6 M-2 ZERO 80 SPAN above kits feature fiexiglass fuselages machine cut foam $279955d6 balsa wood clear plans ctons views used 10 design ot dl Vac-U Formed bumps tasters mad*re guns eto hard wotk already done Engine sizes range Iron 90101082 cyc 12O4cyc Innovative has stuff looking Dummy Radials RMI Makers Pilots Retracts & $26995 CHECK ThESE OPTIONS Ill Complete cockpit kit models S Bombs tanks hard points 0 Pilots Scale flea Hubsl 0 Retract support equipment Innovative has plans ball favorite war birds Hawker Tempest . 82 span 1/5th sCale Hawker Typhoon . 8313 span 1/5th scale Hawker Sea Fury . 8225 span 1/5th scale TA-152H . 11375 span 1/5th scale SilO Dauntless . 85 span 1/5th scale P-51A1A36 . 7625 span 1/8th scale MIG3.spansllspanl/5thscale Plus 37 plans send catalog today plans can cut kits Call quotes $26995 Photo D-9 Ray Schdelceiu Boise ID time scale masters qualifier sinovatives FWt900-9 Best Luck Ray 15t4 Scale RC Modeler says IMP kits best money PFMTM Bl37 02 Tube SUPER ADHE IVE $995 Other Calls 1306-978-9033 Tot Free Oder Une 1400780-3190 Fax Number 1 -306-97S-901 Add $20 Shipping MasterCard & Vsa acpt POBOX 1 Order 1991 catalogue now $300 Margate FL 33063 about foam wings thanks WEPS Tom Huempfner time information Note author Commander Midwest Simitar Squadron Editor E FF Old-Timers/Baker Continued page 64 back work Free Flight column Loren retired now like others hear going back modeling roots writes Certainly am enjoying AMAs Model Aviation magazine after 10-year layoff modeling Im now retired have time recapture special moments youth 1930s Ive built eight old Rubber-powered loves have nicely adjusted hanging up await monthly flights Early found need easily carried winding stooge well building alignment fixture Im cheap handy About winding stooge platform see photo two legs hinged swing flat against board after use held Velcro U-shaped bracket top rear accepts tail skid nail passes through bracket skid large nail goes through rear board ground resist pull winder couple hardware store clips hold winders handle makes easy carry can use stooge solono assistant neededan important feature us small town folk About alignment fixture Little rubber-powered models hard hold attaching landing gear preparing wing tail platforms such 1 x 4 pine board two straps two angles hardware store make adjustable 90 uprights couple Masonite pads hot-glued uprights voila alignment fixture As young boy wilds Montana built Ace Whitman dime store models discovery local railman built immaculate Earl Stahl flying Scale deliverance name Model Airplane News meant suspect Auntie Em did Dorothy retired decided re-create old loves now hang shaded rafters new shop take turns flying college green week Always enter shop nostalgia whispers namesFalcon Albatross Air Raider Miss Worlds Fair Moth Victory Curtiss RobinE Up Around/Aldrich Continued page 66 size flying box sign trouble puts test plug engine engine starts runs should test plug goes back flying box new plug installed Always having known standard always has something dependable fall back Newly manufactured plugs available today number sources old spark plugs pull same fade out act have Harry Murphy sage FF columnist called few months ago discuss something other passing mentioned squirrely newly finished So Longan OTFF design ol Harry said try 33% balance point looked up Air Trails article adhering 40% CG stated What difference little over can make plan Ive seen great old design has shown almost no decalage model needed over inch positive under wing 40% balance point Now ncing tad decalage stable under power Thanks Harry dont enter contests once did truly enjoyed Five Flags meet put Tom McLaughlin Continued page 178 176 Model Aviation P-51D MUSTANG 7675 SPAN P-47 THUNDERBOLT 80 SPAN
Edition: Model Aviation - 1992/01
Page Numbers: 75, 76, 174, 176
Yes foam wing cores can recycled expert answers questions about foam EGordy Stahl AS SIMITAR enthusiast Id never given much thought foam use wing cores models recent headlines about use foam fast food restaurants ecological reasons made want learn Id done quite lot research foam-cutting techniques knew little about comparative qualities different types foam Id cut plenty cores yet no idea whether posed potential health hazards Since live Wisconsin decided get some facts reliable source found source Fond du Lac Wisconsin Expanded Polystyrene Inc job tied construction industry company highly recommended Wisconsin Expanded Polystyrene Inc facility Fond du Lac Wisconsin several contractors use huge quantities Heres what asked Mr Huempfner foam insulation applications answered assured straight factual candid answers people WEPS called WEPS directed its Marketing Manager Thomas Huempfner explained quest scheduled appointment compiled list questions collected other modelers club everyones concerns interests would answered Mr Huempfner began overview WEPS facility products After pretty much held him task list True WEPS reputation knew product showed pride business 1 Is foam really recyclable bet once Unlike other types materials polystyrenes can used over over again plant industry has recycling nearly in-house scraps since its inception 1985 Polystyrene material used manufacture both types foam hobby uses wing cores Unlike organic material decomposes creates toxic polluting explosive methane gas polystyrene inert does decompose will support fungus bacteria organic materials bird January 1992 75 machine Inflating foam beads Raw polystyrene granuies Tom Huempfner left Marketing Manager WEPS stands thefed pumper-upper uses pressure steam author between finished slabs foam called billetsconvert beads employed manufacturing EPS foam human ingest polystyrene foam hed float better two would pass harmlessly through system As far taldng up landfill space polystyrenes combined take up less one-quarter percent present landfill sites its incinerated converts usable heat energy one-hundredth percent its original volume left nontoxic ash present 10 styrene recycling facilities operation lot planned 2 What about fumes released during foam wing cutting Also problem Industry tests show burning piece hardwood releases toxins same amount styrene Its good common sense always have good ventilation shop protect yourself against dust fumes paints adhesives no extra precautions necessary working styrene foam 3 How foam made First have clarify what foam talking aboutexpanded extruded Expanded polystyrene white-bead variety kind specialize manufacturing Extruded polystyrene colored hairy type usually seen blue yellow pink expanding process granular styrene material fed steam heat process sort pumps up process controlled create four densities beadlike material beads cured huge netlike hoppers allow become dimensionally stable point depending foam needed new beads either mixed reground-recycled bead injected virgin state-of-the-art vacuum-molding machine machine molds fuses beads via steam heat pressure large slab smaller pieces hot-wire-cut needed customers Extruded foam starts out two-part liquid styrene blown mold hydrocarbon propellant commonly misused name polystyrene foam materials Styrofoam actually thats brand name extruded polystyrene trade name expanded polystyrene Sno-Foam slabs billets foam cured curing room temperature 1280 immediately after forming helps become dimensionally stable ensures quality control product billet 24 long 4 wide 33 deep have ability deliver virtually size needed billet process would normally take six weeks room temperature far less assurance result special applicationsie wings cured best way go 4 So better White expanded foam colored extruded type Opinion tells colored foam stronger easier sand resistant UV ultraviolet light deterioration Fact will show same density white foam less expensive sands just nicely cuts easily has nearly same flexural strength actually better way its ability return its original shape after compression extruded foam youre used using 15- 2-lb density expanded foam 1-lb density Apples apples 2-lb white expanded foam better value no losses workability strength its average 30 40 percent lower cost Its important use virgin foam wings demand close tolerances since regrind foam uniform density cutting characteristics believe modelers used regrind product whats commonly available insulation applications 5 What about custom-molded foam products Are stronger Probably youre referring model made custom-molded expanded polystyrene foam has hard smoothfinished look Its actually 2-lb density hot mold gives its skin sheen implies some extra strength characteristics fact little no advantage over wire-cut two-pound-density foam gained molding process other aesthetics 6 What about dimensional stability expanded polystyrene EPS its hot cold outside First lets get misconception about styrene foam absorbing water out way doesnt wont unless water 76 Model Aviation foam billet-molding machine also WEPS facility uses pressure vacuum steam heat expanded polystyrene beads turn out huge foam billets Continued page 174 Tom Huempfner dwarfed WEPS automated hot-wire chopper machine cuts foam billets customer requirements APC PROPELLERS Sound Supression Oesign High Thrust Efficiency Long Fiber Advanced Composite Material Proven Performance US Masters US Nationals Canadian Nationals World Championships Sports Sizes 57x3 7x3 7x4 7x57x67x7 7x8 7x9 7x10 BEACH 8x4 Bx5 8x6 8x7 6x8 8x9 6x10$179 EACH 9x4 9x5 9x69x7 2x8 9x29x10$199EACH 95545 10x3 10x4* 1055* 10x6 10x7 10x8 10x9 lOxiD $229EACH llxB lixY$249EACH 12x6 12x7 12x6.$ 269 EACH Reverse Pitch Pusher 956* 10x6* 10x7*10x8* 11x6*11x7*. $39SEACH Competition 78x4 78x6 78x7 9x65 9x75 9x85 $395EACH 11 slO 11 xli 11 x12 11 x12W 11x13 11x14 12x9 12x9W 12x12 12x12N12x13 12x13N 12x14 125x912SxlO 125x11 125x12 13x9 13x10 $795 EACH 135x9* 135x 125135 x 133* 135x 14 14x6*14x8 l4xIQ 14x 12 14513* 14x 135* 14x 14 144x 105 144x12 144x 13* 15x8 15x1015x11* 15x12 16x6 16x10 16x12$1295 EACH Carbon Fiber* 7Bx4 78x6 78x7$1600 EACH 9x659x75 9x85$2500 EACH New sizes Contact local hobby dealer first doesnt have whet need order direct 91 6-861-6515 Mnsfactwd Landing Podwts PO Box 938 Knight Lending CA 98048 FF Duration/Naught Continued page 170 eligibility thus come up local rules need able arrive consensus Larsh feels Nostalgia developed event envisioned could build models flew loved old days majority opinion own views Nostalgia slightly differentprobably because Im old enough 36 have flown old days models like looks performance 55 56 British models have built some Nostalgia use interesting fly because new key element though whether Ive flown Y-Bar Ramrod Space Wamp models fi4n flyeven competitive event Isnt what should about fl Foam/Stahl Continued page 76 pressure forced foam submerged water long period time water would enter foam up 25% volume foam doesnt absorb moisture humidity As far its dimensional stability foam will expand contract over period time maximum multiplier 000035 degree temperature Which translates virtually no expansion contraction Using sheeting material same characteristics would best Also foam resists heat up 167 continuous 7 What type wire use cutters use steel wire some nickel brand name Rene Wire Its 014 thick purchase company called National Standard telephone 616/683-8100 machines extremely precise automated wire suspended between two springs approximately % in diameter 3 long wire relatively loose considering cut eight feet wide 8 What new innovations foam way Franidy leaders foam technology Europeans will take something pretty special replace styrene foam using today Most innovations special application uses cutting computer-controlled creative shaping have own CAD setup in-house design staff CNC cutting machine allows us Continued page 176 174 Model Aviation RIC BEGINNERS very up-beat hobby Once have soloed will probably hooked far life luf soloing problem hobby loses leasf half ifs potential fliers because fail successfully solo IT ISNT THEIR FAULT ITS THE PLANES FAULT disgrace hobby aero modeling industry required police itself free fo call atrodfy guided missile TRAINER just some advertised trainers impossible beginner solo with help instructorl seems norm crash ruin 4 5 planes before becoming successful both stupid costly mention real turn-off new student quite unnecessary YOU COULD SOLO YOUR FIRST TIME UP ructorl Thanks extensive flight-testing ever conducted hobby ou can now know ad vance ones fly slow hands-off stable easy enough Grandma just so-so intermediate ones deserve trainer label stretch imagination Send S350 plus 52C postage EASEOFFLYING RATINGS OF RIC TRAINERS Over 40 currently avaikble trainers evaluated including ARFs Also grades ease-of-building explains trainer aerodynamics dares address questions poor trainers good trainers marketed does no warn about Guarantee money back say eye-opening informative time saving money-saving frustration-sparing RIO publication have ever read Testimonials available request Jim Waterman 3816 DeerfIgid Dr Dept MA San Antonio TX 76218 SIG MANUFACTURING CO now imports complete line world record holding ROSSI aircraft marine helicopter race car engines includes full line parts accessories plus full time ROSSI REPAIR CENTER us SIG-imported ROSSI engines come full 90 day SIG WARRANTY against work manship manufacturing defects SIG MANUFACTURING CO INC . Montezuma IA 50171 PH 515-623-5154FAX 515-623-3922ToIl Free Orders 800-247-5008 $26995 HAWKER H IRRICAME 80 SPAN 1 90-D9 6925 SPAN FW-1 90-A 6925 SPAN 4. ME-109 65 SPAN Foam/Stahl Continued page 174 unusual sculptured shapeseven theatrical background set pieces would certainly cut some beautiful wing cores setup cost might cut flying budgets company uses Selig Donovan airfoilI didnt catch onethat looked absolutely symmetrical chatted awhile about different adhesives WEPS doesnt get too much Ironically company does produce sheeted foam wall homes buildings uses /2-in wood construction sheeting 9 can modelers find expanded polystyrene foam supplier near live Simply dial 1-800-255-0176 Thatll get touch AFM Corporationa partnership 35 EPS manufacturers North America Hawaii Puerto Rico have joined together develop test manufacture market consistent-quality AFM brand-name EPS products Theyll give location nearest EPS source Day turned night long ride home felt pretty good about what Id learned especially $29995$27995 Now Available 6 M-2 ZERO 80 SPAN above kits feature fiexiglass fuselages machine cut foam $279955d6 balsa wood clear plans ctons views used 10 design ot dl Vac-U Formed bumps tasters mad*re guns eto hard wotk already done Engine sizes range Iron 90101082 cyc 12O4cyc Innovative has stuff looking Dummy Radials RMI Makers Pilots Retracts & $26995 CHECK ThESE OPTIONS Ill Complete cockpit kit models S Bombs tanks hard points 0 Pilots Scale flea Hubsl 0 Retract support equipment Innovative has plans ball favorite war birds Hawker Tempest . 82 span 1/5th sCale Hawker Typhoon . 8313 span 1/5th scale Hawker Sea Fury . 8225 span 1/5th scale TA-152H . 11375 span 1/5th scale SilO Dauntless . 85 span 1/5th scale P-51A1A36 . 7625 span 1/8th scale MIG3.spansllspanl/5thscale Plus 37 plans send catalog today plans can cut kits Call quotes $26995 Photo D-9 Ray Schdelceiu Boise ID time scale masters qualifier sinovatives FWt900-9 Best Luck Ray 15t4 Scale RC Modeler says IMP kits best money PFMTM Bl37 02 Tube SUPER ADHE IVE $995 Other Calls 1306-978-9033 Tot Free Oder Une 1400780-3190 Fax Number 1 -306-97S-901 Add $20 Shipping MasterCard & Vsa acpt POBOX 1 Order 1991 catalogue now $300 Margate FL 33063 about foam wings thanks WEPS Tom Huempfner time information Note author Commander Midwest Simitar Squadron Editor E FF Old-Timers/Baker Continued page 64 back work Free Flight column Loren retired now like others hear going back modeling roots writes Certainly am enjoying AMAs Model Aviation magazine after 10-year layoff modeling Im now retired have time recapture special moments youth 1930s Ive built eight old Rubber-powered loves have nicely adjusted hanging up await monthly flights Early found need easily carried winding stooge well building alignment fixture Im cheap handy About winding stooge platform see photo two legs hinged swing flat against board after use held Velcro U-shaped bracket top rear accepts tail skid nail passes through bracket skid large nail goes through rear board ground resist pull winder couple hardware store clips hold winders handle makes easy carry can use stooge solono assistant neededan important feature us small town folk About alignment fixture Little rubber-powered models hard hold attaching landing gear preparing wing tail platforms such 1 x 4 pine board two straps two angles hardware store make adjustable 90 uprights couple Masonite pads hot-glued uprights voila alignment fixture As young boy wilds Montana built Ace Whitman dime store models discovery local railman built immaculate Earl Stahl flying Scale deliverance name Model Airplane News meant suspect Auntie Em did Dorothy retired decided re-create old loves now hang shaded rafters new shop take turns flying college green week Always enter shop nostalgia whispers namesFalcon Albatross Air Raider Miss Worlds Fair Moth Victory Curtiss RobinE Up Around/Aldrich Continued page 66 size flying box sign trouble puts test plug engine engine starts runs should test plug goes back flying box new plug installed Always having known standard always has something dependable fall back Newly manufactured plugs available today number sources old spark plugs pull same fade out act have Harry Murphy sage FF columnist called few months ago discuss something other passing mentioned squirrely newly finished So Longan OTFF design ol Harry said try 33% balance point looked up Air Trails article adhering 40% CG stated What difference little over can make plan Ive seen great old design has shown almost no decalage model needed over inch positive under wing 40% balance point Now ncing tad decalage stable under power Thanks Harry dont enter contests once did truly enjoyed Five Flags meet put Tom McLaughlin Continued page 178 176 Model Aviation P-51D MUSTANG 7675 SPAN P-47 THUNDERBOLT 80 SPAN
Edition: Model Aviation - 1992/01
Page Numbers: 75, 76, 174, 176
Yes foam wing cores can recycled expert answers questions about foam EGordy Stahl AS SIMITAR enthusiast Id never given much thought foam use wing cores models recent headlines about use foam fast food restaurants ecological reasons made want learn Id done quite lot research foam-cutting techniques knew little about comparative qualities different types foam Id cut plenty cores yet no idea whether posed potential health hazards Since live Wisconsin decided get some facts reliable source found source Fond du Lac Wisconsin Expanded Polystyrene Inc job tied construction industry company highly recommended Wisconsin Expanded Polystyrene Inc facility Fond du Lac Wisconsin several contractors use huge quantities Heres what asked Mr Huempfner foam insulation applications answered assured straight factual candid answers people WEPS called WEPS directed its Marketing Manager Thomas Huempfner explained quest scheduled appointment compiled list questions collected other modelers club everyones concerns interests would answered Mr Huempfner began overview WEPS facility products After pretty much held him task list True WEPS reputation knew product showed pride business 1 Is foam really recyclable bet once Unlike other types materials polystyrenes can used over over again plant industry has recycling nearly in-house scraps since its inception 1985 Polystyrene material used manufacture both types foam hobby uses wing cores Unlike organic material decomposes creates toxic polluting explosive methane gas polystyrene inert does decompose will support fungus bacteria organic materials bird January 1992 75 machine Inflating foam beads Raw polystyrene granuies Tom Huempfner left Marketing Manager WEPS stands thefed pumper-upper uses pressure steam author between finished slabs foam called billetsconvert beads employed manufacturing EPS foam human ingest polystyrene foam hed float better two would pass harmlessly through system As far taldng up landfill space polystyrenes combined take up less one-quarter percent present landfill sites its incinerated converts usable heat energy one-hundredth percent its original volume left nontoxic ash present 10 styrene recycling facilities operation lot planned 2 What about fumes released during foam wing cutting Also problem Industry tests show burning piece hardwood releases toxins same amount styrene Its good common sense always have good ventilation shop protect yourself against dust fumes paints adhesives no extra precautions necessary working styrene foam 3 How foam made First have clarify what foam talking aboutexpanded extruded Expanded polystyrene white-bead variety kind specialize manufacturing Extruded polystyrene colored hairy type usually seen blue yellow pink expanding process granular styrene material fed steam heat process sort pumps up process controlled create four densities beadlike material beads cured huge netlike hoppers allow become dimensionally stable point depending foam needed new beads either mixed reground-recycled bead injected virgin state-of-the-art vacuum-molding machine machine molds fuses beads via steam heat pressure large slab smaller pieces hot-wire-cut needed customers Extruded foam starts out two-part liquid styrene blown mold hydrocarbon propellant commonly misused name polystyrene foam materials Styrofoam actually thats brand name extruded polystyrene trade name expanded polystyrene Sno-Foam slabs billets foam cured curing room temperature 1280 immediately after forming helps become dimensionally stable ensures quality control product billet 24 long 4 wide 33 deep have ability deliver virtually size needed billet process would normally take six weeks room temperature far less assurance result special applicationsie wings cured best way go 4 So better White expanded foam colored extruded type Opinion tells colored foam stronger easier sand resistant UV ultraviolet light deterioration Fact will show same density white foam less expensive sands just nicely cuts easily has nearly same flexural strength actually better way its ability return its original shape after compression extruded foam youre used using 15- 2-lb density expanded foam 1-lb density Apples apples 2-lb white expanded foam better value no losses workability strength its average 30 40 percent lower cost Its important use virgin foam wings demand close tolerances since regrind foam uniform density cutting characteristics believe modelers used regrind product whats commonly available insulation applications 5 What about custom-molded foam products Are stronger Probably youre referring model made custom-molded expanded polystyrene foam has hard smoothfinished look Its actually 2-lb density hot mold gives its skin sheen implies some extra strength characteristics fact little no advantage over wire-cut two-pound-density foam gained molding process other aesthetics 6 What about dimensional stability expanded polystyrene EPS its hot cold outside First lets get misconception about styrene foam absorbing water out way doesnt wont unless water 76 Model Aviation foam billet-molding machine also WEPS facility uses pressure vacuum steam heat expanded polystyrene beads turn out huge foam billets Continued page 174 Tom Huempfner dwarfed WEPS automated hot-wire chopper machine cuts foam billets customer requirements APC PROPELLERS Sound Supression Oesign High Thrust Efficiency Long Fiber Advanced Composite Material Proven Performance US Masters US Nationals Canadian Nationals World Championships Sports Sizes 57x3 7x3 7x4 7x57x67x7 7x8 7x9 7x10 BEACH 8x4 Bx5 8x6 8x7 6x8 8x9 6x10$179 EACH 9x4 9x5 9x69x7 2x8 9x29x10$199EACH 95545 10x3 10x4* 1055* 10x6 10x7 10x8 10x9 lOxiD $229EACH llxB lixY$249EACH 12x6 12x7 12x6.$ 269 EACH Reverse Pitch Pusher 956* 10x6* 10x7*10x8* 11x6*11x7*. $39SEACH Competition 78x4 78x6 78x7 9x65 9x75 9x85 $395EACH 11 slO 11 xli 11 x12 11 x12W 11x13 11x14 12x9 12x9W 12x12 12x12N12x13 12x13N 12x14 125x912SxlO 125x11 125x12 13x9 13x10 $795 EACH 135x9* 135x 125135 x 133* 135x 14 14x6*14x8 l4xIQ 14x 12 14513* 14x 135* 14x 14 144x 105 144x12 144x 13* 15x8 15x1015x11* 15x12 16x6 16x10 16x12$1295 EACH Carbon Fiber* 7Bx4 78x6 78x7$1600 EACH 9x659x75 9x85$2500 EACH New sizes Contact local hobby dealer first doesnt have whet need order direct 91 6-861-6515 Mnsfactwd Landing Podwts PO Box 938 Knight Lending CA 98048 FF Duration/Naught Continued page 170 eligibility thus come up local rules need able arrive consensus Larsh feels Nostalgia developed event envisioned could build models flew loved old days majority opinion own views Nostalgia slightly differentprobably because Im old enough 36 have flown old days models like looks performance 55 56 British models have built some Nostalgia use interesting fly because new key element though whether Ive flown Y-Bar Ramrod Space Wamp models fi4n flyeven competitive event Isnt what should about fl Foam/Stahl Continued page 76 pressure forced foam submerged water long period time water would enter foam up 25% volume foam doesnt absorb moisture humidity As far its dimensional stability foam will expand contract over period time maximum multiplier 000035 degree temperature Which translates virtually no expansion contraction Using sheeting material same characteristics would best Also foam resists heat up 167 continuous 7 What type wire use cutters use steel wire some nickel brand name Rene Wire Its 014 thick purchase company called National Standard telephone 616/683-8100 machines extremely precise automated wire suspended between two springs approximately % in diameter 3 long wire relatively loose considering cut eight feet wide 8 What new innovations foam way Franidy leaders foam technology Europeans will take something pretty special replace styrene foam using today Most innovations special application uses cutting computer-controlled creative shaping have own CAD setup in-house design staff CNC cutting machine allows us Continued page 176 174 Model Aviation RIC BEGINNERS very up-beat hobby Once have soloed will probably hooked far life luf soloing problem hobby loses leasf half ifs potential fliers because fail successfully solo IT ISNT THEIR FAULT ITS THE PLANES FAULT disgrace hobby aero modeling industry required police itself free fo call atrodfy guided missile TRAINER just some advertised trainers impossible beginner solo with help instructorl seems norm crash ruin 4 5 planes before becoming successful both stupid costly mention real turn-off new student quite unnecessary YOU COULD SOLO YOUR FIRST TIME UP ructorl Thanks extensive flight-testing ever conducted hobby ou can now know ad vance ones fly slow hands-off stable easy enough Grandma just so-so intermediate ones deserve trainer label stretch imagination Send S350 plus 52C postage EASEOFFLYING RATINGS OF RIC TRAINERS Over 40 currently avaikble trainers evaluated including ARFs Also grades ease-of-building explains trainer aerodynamics dares address questions poor trainers good trainers marketed does no warn about Guarantee money back say eye-opening informative time saving money-saving frustration-sparing RIO publication have ever read Testimonials available request Jim Waterman 3816 DeerfIgid Dr Dept MA San Antonio TX 76218 SIG MANUFACTURING CO now imports complete line world record holding ROSSI aircraft marine helicopter race car engines includes full line parts accessories plus full time ROSSI REPAIR CENTER us SIG-imported ROSSI engines come full 90 day SIG WARRANTY against work manship manufacturing defects SIG MANUFACTURING CO INC . Montezuma IA 50171 PH 515-623-5154FAX 515-623-3922ToIl Free Orders 800-247-5008 $26995 HAWKER H IRRICAME 80 SPAN 1 90-D9 6925 SPAN FW-1 90-A 6925 SPAN 4. ME-109 65 SPAN Foam/Stahl Continued page 174 unusual sculptured shapeseven theatrical background set pieces would certainly cut some beautiful wing cores setup cost might cut flying budgets company uses Selig Donovan airfoilI didnt catch onethat looked absolutely symmetrical chatted awhile about different adhesives WEPS doesnt get too much Ironically company does produce sheeted foam wall homes buildings uses /2-in wood construction sheeting 9 can modelers find expanded polystyrene foam supplier near live Simply dial 1-800-255-0176 Thatll get touch AFM Corporationa partnership 35 EPS manufacturers North America Hawaii Puerto Rico have joined together develop test manufacture market consistent-quality AFM brand-name EPS products Theyll give location nearest EPS source Day turned night long ride home felt pretty good about what Id learned especially $29995$27995 Now Available 6 M-2 ZERO 80 SPAN above kits feature fiexiglass fuselages machine cut foam $279955d6 balsa wood clear plans ctons views used 10 design ot dl Vac-U Formed bumps tasters mad*re guns eto hard wotk already done Engine sizes range Iron 90101082 cyc 12O4cyc Innovative has stuff looking Dummy Radials RMI Makers Pilots Retracts & $26995 CHECK ThESE OPTIONS Ill Complete cockpit kit models S Bombs tanks hard points 0 Pilots Scale flea Hubsl 0 Retract support equipment Innovative has plans ball favorite war birds Hawker Tempest . 82 span 1/5th sCale Hawker Typhoon . 8313 span 1/5th scale Hawker Sea Fury . 8225 span 1/5th scale TA-152H . 11375 span 1/5th scale SilO Dauntless . 85 span 1/5th scale P-51A1A36 . 7625 span 1/8th scale MIG3.spansllspanl/5thscale Plus 37 plans send catalog today plans can cut kits Call quotes $26995 Photo D-9 Ray Schdelceiu Boise ID time scale masters qualifier sinovatives FWt900-9 Best Luck Ray 15t4 Scale RC Modeler says IMP kits best money PFMTM Bl37 02 Tube SUPER ADHE IVE $995 Other Calls 1306-978-9033 Tot Free Oder Une 1400780-3190 Fax Number 1 -306-97S-901 Add $20 Shipping MasterCard & Vsa acpt POBOX 1 Order 1991 catalogue now $300 Margate FL 33063 about foam wings thanks WEPS Tom Huempfner time information Note author Commander Midwest Simitar Squadron Editor E FF Old-Timers/Baker Continued page 64 back work Free Flight column Loren retired now like others hear going back modeling roots writes Certainly am enjoying AMAs Model Aviation magazine after 10-year layoff modeling Im now retired have time recapture special moments youth 1930s Ive built eight old Rubber-powered loves have nicely adjusted hanging up await monthly flights Early found need easily carried winding stooge well building alignment fixture Im cheap handy About winding stooge platform see photo two legs hinged swing flat against board after use held Velcro U-shaped bracket top rear accepts tail skid nail passes through bracket skid large nail goes through rear board ground resist pull winder couple hardware store clips hold winders handle makes easy carry can use stooge solono assistant neededan important feature us small town folk About alignment fixture Little rubber-powered models hard hold attaching landing gear preparing wing tail platforms such 1 x 4 pine board two straps two angles hardware store make adjustable 90 uprights couple Masonite pads hot-glued uprights voila alignment fixture As young boy wilds Montana built Ace Whitman dime store models discovery local railman built immaculate Earl Stahl flying Scale deliverance name Model Airplane News meant suspect Auntie Em did Dorothy retired decided re-create old loves now hang shaded rafters new shop take turns flying college green week Always enter shop nostalgia whispers namesFalcon Albatross Air Raider Miss Worlds Fair Moth Victory Curtiss RobinE Up Around/Aldrich Continued page 66 size flying box sign trouble puts test plug engine engine starts runs should test plug goes back flying box new plug installed Always having known standard always has something dependable fall back Newly manufactured plugs available today number sources old spark plugs pull same fade out act have Harry Murphy sage FF columnist called few months ago discuss something other passing mentioned squirrely newly finished So Longan OTFF design ol Harry said try 33% balance point looked up Air Trails article adhering 40% CG stated What difference little over can make plan Ive seen great old design has shown almost no decalage model needed over inch positive under wing 40% balance point Now ncing tad decalage stable under power Thanks Harry dont enter contests once did truly enjoyed Five Flags meet put Tom McLaughlin Continued page 178 176 Model Aviation P-51D MUSTANG 7675 SPAN P-47 THUNDERBOLT 80 SPAN