DuraBon Bob Meuser Record Cargo Model Beginning some five years ago Cargo has making slow steady comeback its beginnings PAA-sponsored event fifties Rules limit wingspan 48 engine displacement 020 Cu spells Cox Tee Dee 020 Engine run limited 20 sec model must re main airborne least 40 sec Model must ROG l-oz dummy prescribed dimensions must carried name game carry much weight possible guy has highest total all-up weight three flights takes home marbles Thunderbugs member Roman Ramirez set National record recently threeflight total 76 oza quantum jump over previous performances class using rather conventional looking model shown three-view Onceagain simple model well flown triumphs over uh whatever opposite An all-up weight some 25 oz hauled mere 020 engine doesnt add up performance would exactly call flashy its whale challenge maybe welcome break mill-run dura tion events advantage dont have chase very far Winding Stooge FF-er #1 Say may borrow winding stooge FF-er #2 Sorry now Shes busy making sand wiches Thud Well kiddies isnt sort winding stooge going discuss today recent months has much weeping wailing wringing hands over quality rubber obtained source whatever source free-fighters would agree rubber has common characteristic breaks dont break motor now arent putting enough turns number motors have broken half wound legion Break motor flying scale model best end up patched-up looking model worst have com plete wipe-out Bust stick-n-tissue Unlimited Rubber model might well feed field mice fix simple use winding stooge incorporating winding tube inserted fuselage seems curious winding tubes arent used often werent na ture wee bit masochistic wouldnt free-fighters recently occasion build some rather delicate cabin models some Pea nuts Manhattan Formula model Since had no previous experience such delicate cabin models figured better make whole flight-prepa ration operation similar used Outdoor rubber models reasonably idiot-proof since dont regard winding rubber-power Flies left Left 10 NATIONAL RECOQD CAQcO tl2ObEL 1oman Pamnire 76 oz/3 fLigns 14{_ 4i -_____________18 1 1 4KZJAPrOp Fox 4o4ofuei3 0 F 3 4 Ui dia I7 3f odel social activity winding jig lend itself one-man operation isnt Im difficult get along Im impossible stooge shown sketch third-generation version satisfies requirements Basically scheme tubular rear motor peg passing through sides fuselage required 3/32 OD aluminum tube best can tolerate weight otherwise use rolled tissueand-glue tube 1 / 16 music-wire pin through peg anchors model stooge winding tube serted fuselage front has slot slips over rear peg 3 square piece 1/32 plywood epoxied end winding tube serve scatter shield protects model wanton flailings end broken rubber motor before finds its Left tab onl4t ruddcr iMACA 6409 _ 1 l 12 4 way end othe winding tube Fur ther scatter shield provides means anchoring outer end winding tube base stooge shocks strains transmitted directly stooge through model Additional hardware includes forkedtongue stick inserting motors fuselage long wire extension 1/32 wire right Peanut Scale coupling winder rubber motor proper loading-stick fork can ob tained Jim Crocket Replicas cob bled up wire piece tubing Bits red cloth tied glued vari ous small parts will help prevent loss winding tube may made piece thin-wall Bakelite tubing model rocket motor tube leftover end Nordic glider boom rolled-up piece acetate Mylar drafting film rolled 30 Model Aviation 1F balsa tube rolled-up bond paper wrapped tape slot end tube should about 3/4 long stooge assembled rear peg pin should situated about midway along slot tube should long enough should supported high enough accommodate largest model intend using Peanut Scale ube minimum bigger better go please fasten seat belts Using loading stock insert motor through nose fuselage insert rear peg tube through fuselage motor Remove loading stick anchor model stooge using rear-peg pin Attach motor winder hook extension wire slide winding tube over extension over motor fuselage seat ing properly rear peg helps hold motor under firm tension doing Lower scatter shield groove insert pin locks base Attach winder hook exten sion winder wind like crazy blissfully secure knowledge model wont destroyed whennot motor breaks Now have wound within turn breaking point relax few seconds back off 20 30 turns dont want hear complaints about motor breaking after winding tube withdrawn happens Slide winding tube out over hook extension grasp end motor twixt thumb dex finger let end motor unwind bit disconnect hook extension Now can remember what did prop hook onto motor well can figure out rest good place keep prop winding between teeth ensures prop will handy need it also ensures wont make indiscreet remarks peasants ask dumb questions winding above description seems compli cated skip Just spread out hard ware dope out yourself Thats probably easier following descrip tion really difficult de scription makes seem Getting broken motor out wind ing tube isnt too easy sometimes First pull out rear peg using wire pin helps fish broken motor out tube using winding hook exten sion wire another piece wire suitable hook formed end think Doc MartinBlack Belt Pea nuteerwho suggested using piece razor blade epoxied onto end dow el hack knotted rubber submis sion havent resort thatso far sheer brute force ignorance have sufficedbut seems like jolly idea Peanut Scale Nats results came out showing Charlie Learoyd won both Indoor Outdoor Peanut Scale events couldnt resist asking Char lie did story Lacey M- 10 built right off Bill Warners plans American Aircraft Modeler Feb 1975 few modi fications lighten bit Wing leading edge trailing top surface sparat high point airfoilare 1 / 16 square Tail surfaces 1/32 square double covered model covered ordinary Japanese tissue pre war Superfine finished two thin coats thinned nitrate dope total weight less rubber 93 grams es pecially light attribute success model two factors large prop 7 dia X 10 pitch experience prop handles power delivered 20-inch loop 3/32 rubber FAI Model Sup ply model two years old has flown flown flown So know exactly what will know will consistently same model fact same rubber motor used both indoor outdoor flying Nats change small bit clay added nose make better able handle turbulence wind outdoors outdoor trimming philosophy type airplaneeven moderate windis trim indoor flying let climb up 30 40 feet just putt around Charlies indoor flight times 121 113 122 seconds Considering model especially light despite its large prop large chord flight times indicate optimum trim perfect match prop rubber aircraft fact seems little better optimum didnt use Pirelli rubber Ex perience counts Think metric Superior Balsa now stocks balsa sheet hitherto unavailable 1/40-in size long dormant 1/64 1/20-in sizes strips 1/20-in thicknesses various widths FAI Supply sells straight music wire 2-mm diam eter thing 16 strands A-in rubber what often peddled -in rubber often 6-mm rubber comes Italy Japan Some rubber mongers country specify widths fractions inch some decimal inch sizes some millimeters I' wnSinq 5toOqe Y2eanut Sccde Etc continued page 93 Scale-Like Profiles Two new Half-A-powered profile CL modelsthe Paul Mantz Trophy P51 shown Polen Special liare de signed withstand abuse learning flier yet deliver stunt performance including inverted flight hands advanced pilot all-balsa kits completely pre cut easy-to-follow plans instructions Polen hardware includes bellcrank elevator horn pushrod line guides landing gear P-Si pictured landing gear flying over grass areas Hardware also includes formed landing gear material either beam radial engine mounting decal sheet stripes numbers cockpit glazing dummy vacu-formed exhaust comes P-Si kit Price Polen $395 P-51 $595 Both available dealer Hobby Hideaway Delavan IL 61734 Englandfrom Performance Kits produ ctreviowp rod ucireview prod uctreoiewprod Uctre view FF Duration/Meuser continued page 31 Solarbo some its foreign custom ers required cut balsa metric thick nesses widths lengths remain 3 nches As long let other countries win free flight world champion ships well continue see metric balsa dimensions called out drawings winning models eventually well switch metric ourselves say dont hold breath shopping local hardware store guy asked clerk six-inch metric ruler clerk knew exactly what meant sold him guy walked off happy clam leaving standing laughing silly head off converting metric slowly may have noticed whenever metric size replaces something used jugged up quarts always seem go next smaller metric size price remains same Supplies Source finally got scoop regarding HLG kits formerly pro duced American Balsa Corp M & P Enterprises before models currently produced Aero Modeling Enterprises 2215 5 Air Depot Blvd Mid west City OK 73110 operated Gail Matt Gewain Current production includes ciurers 947 Lew Mahieu i Speed Flyer AcSUPERSONIC current winners er fuel Today ic dropped ilar best FIRST Supersonic fuel well know quired 1950 rapidly became fuels. ___ NATS other under single narm back 1973 K&B F performing fuel K&Bs twenty-six yearZV experience hae proved need various t~s fuel Therefore offer widest range oflow fuels available. spe cifically formulated meet demands todays engines events geographical conditions K&B MODEL ENGINE FUEL X2C OIL K&B 100 Free Flight U-control RIO Flying K&B 500 RIO Flying & RIO Race carswhere both high low speeds required K&B 1000 /2A Engines K&B SUPER SPEED going out K&B MODEL ENGINE FUEL CASTOR OIL K&8 100 Free Flight U-control RIO Flying K&B 1000 Y2A Engines K&B FAI 80/20 Pylon Free Flight U-Control Speedno Nitro Qualifies FAl rules Select K&B Glow Fuel fulfill needs power model plane Choice Champions Mathiss Flash scaled-down MiniFlash Lee Hiness Sweepette 19 Bill Blanchards Poly Don Chanceys Bo Weevil Tom Peadons USKid have impressive track records So far over 1500 kits have shipped dealer doesnt have stock tell him fink order direct AME AME hopes introduce dethermal izer versions Polly Sweep ette early year Prices standard lines have increased despite increasing costs hope keep way Lots luck Other items interest marketed AME include 2-oz fuel 0 O~ syringes $198 l-oz reusable mixing cups 25 99 low stretch light weight strong towline $350 165 feet Platitude Month An aspect ratio 101 121 should used pos sible hope Nordic fliers take note Nevertheless some models very low aspect ratio make good fliers owing extreme lightness Im sure Indoor modelers will glad hear V E Johnson 1910 Bob Meuser 4200 Gregory St. Oak land CA 94619 March1977 93 REMAINING
Edition: Model Aviation - 1977/03
Page Numbers: 30, 31, 93
DuraBon Bob Meuser Record Cargo Model Beginning some five years ago Cargo has making slow steady comeback its beginnings PAA-sponsored event fifties Rules limit wingspan 48 engine displacement 020 Cu spells Cox Tee Dee 020 Engine run limited 20 sec model must re main airborne least 40 sec Model must ROG l-oz dummy prescribed dimensions must carried name game carry much weight possible guy has highest total all-up weight three flights takes home marbles Thunderbugs member Roman Ramirez set National record recently threeflight total 76 oza quantum jump over previous performances class using rather conventional looking model shown three-view Onceagain simple model well flown triumphs over uh whatever opposite An all-up weight some 25 oz hauled mere 020 engine doesnt add up performance would exactly call flashy its whale challenge maybe welcome break mill-run dura tion events advantage dont have chase very far Winding Stooge FF-er #1 Say may borrow winding stooge FF-er #2 Sorry now Shes busy making sand wiches Thud Well kiddies isnt sort winding stooge going discuss today recent months has much weeping wailing wringing hands over quality rubber obtained source whatever source free-fighters would agree rubber has common characteristic breaks dont break motor now arent putting enough turns number motors have broken half wound legion Break motor flying scale model best end up patched-up looking model worst have com plete wipe-out Bust stick-n-tissue Unlimited Rubber model might well feed field mice fix simple use winding stooge incorporating winding tube inserted fuselage seems curious winding tubes arent used often werent na ture wee bit masochistic wouldnt free-fighters recently occasion build some rather delicate cabin models some Pea nuts Manhattan Formula model Since had no previous experience such delicate cabin models figured better make whole flight-prepa ration operation similar used Outdoor rubber models reasonably idiot-proof since dont regard winding rubber-power Flies left Left 10 NATIONAL RECOQD CAQcO tl2ObEL 1oman Pamnire 76 oz/3 fLigns 14{_ 4i -_____________18 1 1 4KZJAPrOp Fox 4o4ofuei3 0 F 3 4 Ui dia I7 3f odel social activity winding jig lend itself one-man operation isnt Im difficult get along Im impossible stooge shown sketch third-generation version satisfies requirements Basically scheme tubular rear motor peg passing through sides fuselage required 3/32 OD aluminum tube best can tolerate weight otherwise use rolled tissueand-glue tube 1 / 16 music-wire pin through peg anchors model stooge winding tube serted fuselage front has slot slips over rear peg 3 square piece 1/32 plywood epoxied end winding tube serve scatter shield protects model wanton flailings end broken rubber motor before finds its Left tab onl4t ruddcr iMACA 6409 _ 1 l 12 4 way end othe winding tube Fur ther scatter shield provides means anchoring outer end winding tube base stooge shocks strains transmitted directly stooge through model Additional hardware includes forkedtongue stick inserting motors fuselage long wire extension 1/32 wire right Peanut Scale coupling winder rubber motor proper loading-stick fork can ob tained Jim Crocket Replicas cob bled up wire piece tubing Bits red cloth tied glued vari ous small parts will help prevent loss winding tube may made piece thin-wall Bakelite tubing model rocket motor tube leftover end Nordic glider boom rolled-up piece acetate Mylar drafting film rolled 30 Model Aviation 1F balsa tube rolled-up bond paper wrapped tape slot end tube should about 3/4 long stooge assembled rear peg pin should situated about midway along slot tube should long enough should supported high enough accommodate largest model intend using Peanut Scale ube minimum bigger better go please fasten seat belts Using loading stock insert motor through nose fuselage insert rear peg tube through fuselage motor Remove loading stick anchor model stooge using rear-peg pin Attach motor winder hook extension wire slide winding tube over extension over motor fuselage seat ing properly rear peg helps hold motor under firm tension doing Lower scatter shield groove insert pin locks base Attach winder hook exten sion winder wind like crazy blissfully secure knowledge model wont destroyed whennot motor breaks Now have wound within turn breaking point relax few seconds back off 20 30 turns dont want hear complaints about motor breaking after winding tube withdrawn happens Slide winding tube out over hook extension grasp end motor twixt thumb dex finger let end motor unwind bit disconnect hook extension Now can remember what did prop hook onto motor well can figure out rest good place keep prop winding between teeth ensures prop will handy need it also ensures wont make indiscreet remarks peasants ask dumb questions winding above description seems compli cated skip Just spread out hard ware dope out yourself Thats probably easier following descrip tion really difficult de scription makes seem Getting broken motor out wind ing tube isnt too easy sometimes First pull out rear peg using wire pin helps fish broken motor out tube using winding hook exten sion wire another piece wire suitable hook formed end think Doc MartinBlack Belt Pea nuteerwho suggested using piece razor blade epoxied onto end dow el hack knotted rubber submis sion havent resort thatso far sheer brute force ignorance have sufficedbut seems like jolly idea Peanut Scale Nats results came out showing Charlie Learoyd won both Indoor Outdoor Peanut Scale events couldnt resist asking Char lie did story Lacey M- 10 built right off Bill Warners plans American Aircraft Modeler Feb 1975 few modi fications lighten bit Wing leading edge trailing top surface sparat high point airfoilare 1 / 16 square Tail surfaces 1/32 square double covered model covered ordinary Japanese tissue pre war Superfine finished two thin coats thinned nitrate dope total weight less rubber 93 grams es pecially light attribute success model two factors large prop 7 dia X 10 pitch experience prop handles power delivered 20-inch loop 3/32 rubber FAI Model Sup ply model two years old has flown flown flown So know exactly what will know will consistently same model fact same rubber motor used both indoor outdoor flying Nats change small bit clay added nose make better able handle turbulence wind outdoors outdoor trimming philosophy type airplaneeven moderate windis trim indoor flying let climb up 30 40 feet just putt around Charlies indoor flight times 121 113 122 seconds Considering model especially light despite its large prop large chord flight times indicate optimum trim perfect match prop rubber aircraft fact seems little better optimum didnt use Pirelli rubber Ex perience counts Think metric Superior Balsa now stocks balsa sheet hitherto unavailable 1/40-in size long dormant 1/64 1/20-in sizes strips 1/20-in thicknesses various widths FAI Supply sells straight music wire 2-mm diam eter thing 16 strands A-in rubber what often peddled -in rubber often 6-mm rubber comes Italy Japan Some rubber mongers country specify widths fractions inch some decimal inch sizes some millimeters I' wnSinq 5toOqe Y2eanut Sccde Etc continued page 93 Scale-Like Profiles Two new Half-A-powered profile CL modelsthe Paul Mantz Trophy P51 shown Polen Special liare de signed withstand abuse learning flier yet deliver stunt performance including inverted flight hands advanced pilot all-balsa kits completely pre cut easy-to-follow plans instructions Polen hardware includes bellcrank elevator horn pushrod line guides landing gear P-Si pictured landing gear flying over grass areas Hardware also includes formed landing gear material either beam radial engine mounting decal sheet stripes numbers cockpit glazing dummy vacu-formed exhaust comes P-Si kit Price Polen $395 P-51 $595 Both available dealer Hobby Hideaway Delavan IL 61734 Englandfrom Performance Kits produ ctreviowp rod ucireview prod uctreoiewprod Uctre view FF Duration/Meuser continued page 31 Solarbo some its foreign custom ers required cut balsa metric thick nesses widths lengths remain 3 nches As long let other countries win free flight world champion ships well continue see metric balsa dimensions called out drawings winning models eventually well switch metric ourselves say dont hold breath shopping local hardware store guy asked clerk six-inch metric ruler clerk knew exactly what meant sold him guy walked off happy clam leaving standing laughing silly head off converting metric slowly may have noticed whenever metric size replaces something used jugged up quarts always seem go next smaller metric size price remains same Supplies Source finally got scoop regarding HLG kits formerly pro duced American Balsa Corp M & P Enterprises before models currently produced Aero Modeling Enterprises 2215 5 Air Depot Blvd Mid west City OK 73110 operated Gail Matt Gewain Current production includes ciurers 947 Lew Mahieu i Speed Flyer AcSUPERSONIC current winners er fuel Today ic dropped ilar best FIRST Supersonic fuel well know quired 1950 rapidly became fuels. ___ NATS other under single narm back 1973 K&B F performing fuel K&Bs twenty-six yearZV experience hae proved need various t~s fuel Therefore offer widest range oflow fuels available. spe cifically formulated meet demands todays engines events geographical conditions K&B MODEL ENGINE FUEL X2C OIL K&B 100 Free Flight U-control RIO Flying K&B 500 RIO Flying & RIO Race carswhere both high low speeds required K&B 1000 /2A Engines K&B SUPER SPEED going out K&B MODEL ENGINE FUEL CASTOR OIL K&8 100 Free Flight U-control RIO Flying K&B 1000 Y2A Engines K&B FAI 80/20 Pylon Free Flight U-Control Speedno Nitro Qualifies FAl rules Select K&B Glow Fuel fulfill needs power model plane Choice Champions Mathiss Flash scaled-down MiniFlash Lee Hiness Sweepette 19 Bill Blanchards Poly Don Chanceys Bo Weevil Tom Peadons USKid have impressive track records So far over 1500 kits have shipped dealer doesnt have stock tell him fink order direct AME AME hopes introduce dethermal izer versions Polly Sweep ette early year Prices standard lines have increased despite increasing costs hope keep way Lots luck Other items interest marketed AME include 2-oz fuel 0 O~ syringes $198 l-oz reusable mixing cups 25 99 low stretch light weight strong towline $350 165 feet Platitude Month An aspect ratio 101 121 should used pos sible hope Nordic fliers take note Nevertheless some models very low aspect ratio make good fliers owing extreme lightness Im sure Indoor modelers will glad hear V E Johnson 1910 Bob Meuser 4200 Gregory St. Oak land CA 94619 March1977 93 REMAINING
Edition: Model Aviation - 1977/03
Page Numbers: 30, 31, 93
DuraBon Bob Meuser Record Cargo Model Beginning some five years ago Cargo has making slow steady comeback its beginnings PAA-sponsored event fifties Rules limit wingspan 48 engine displacement 020 Cu spells Cox Tee Dee 020 Engine run limited 20 sec model must re main airborne least 40 sec Model must ROG l-oz dummy prescribed dimensions must carried name game carry much weight possible guy has highest total all-up weight three flights takes home marbles Thunderbugs member Roman Ramirez set National record recently threeflight total 76 oza quantum jump over previous performances class using rather conventional looking model shown three-view Onceagain simple model well flown triumphs over uh whatever opposite An all-up weight some 25 oz hauled mere 020 engine doesnt add up performance would exactly call flashy its whale challenge maybe welcome break mill-run dura tion events advantage dont have chase very far Winding Stooge FF-er #1 Say may borrow winding stooge FF-er #2 Sorry now Shes busy making sand wiches Thud Well kiddies isnt sort winding stooge going discuss today recent months has much weeping wailing wringing hands over quality rubber obtained source whatever source free-fighters would agree rubber has common characteristic breaks dont break motor now arent putting enough turns number motors have broken half wound legion Break motor flying scale model best end up patched-up looking model worst have com plete wipe-out Bust stick-n-tissue Unlimited Rubber model might well feed field mice fix simple use winding stooge incorporating winding tube inserted fuselage seems curious winding tubes arent used often werent na ture wee bit masochistic wouldnt free-fighters recently occasion build some rather delicate cabin models some Pea nuts Manhattan Formula model Since had no previous experience such delicate cabin models figured better make whole flight-prepa ration operation similar used Outdoor rubber models reasonably idiot-proof since dont regard winding rubber-power Flies left Left 10 NATIONAL RECOQD CAQcO tl2ObEL 1oman Pamnire 76 oz/3 fLigns 14{_ 4i -_____________18 1 1 4KZJAPrOp Fox 4o4ofuei3 0 F 3 4 Ui dia I7 3f odel social activity winding jig lend itself one-man operation isnt Im difficult get along Im impossible stooge shown sketch third-generation version satisfies requirements Basically scheme tubular rear motor peg passing through sides fuselage required 3/32 OD aluminum tube best can tolerate weight otherwise use rolled tissueand-glue tube 1 / 16 music-wire pin through peg anchors model stooge winding tube serted fuselage front has slot slips over rear peg 3 square piece 1/32 plywood epoxied end winding tube serve scatter shield protects model wanton flailings end broken rubber motor before finds its Left tab onl4t ruddcr iMACA 6409 _ 1 l 12 4 way end othe winding tube Fur ther scatter shield provides means anchoring outer end winding tube base stooge shocks strains transmitted directly stooge through model Additional hardware includes forkedtongue stick inserting motors fuselage long wire extension 1/32 wire right Peanut Scale coupling winder rubber motor proper loading-stick fork can ob tained Jim Crocket Replicas cob bled up wire piece tubing Bits red cloth tied glued vari ous small parts will help prevent loss winding tube may made piece thin-wall Bakelite tubing model rocket motor tube leftover end Nordic glider boom rolled-up piece acetate Mylar drafting film rolled 30 Model Aviation 1F balsa tube rolled-up bond paper wrapped tape slot end tube should about 3/4 long stooge assembled rear peg pin should situated about midway along slot tube should long enough should supported high enough accommodate largest model intend using Peanut Scale ube minimum bigger better go please fasten seat belts Using loading stock insert motor through nose fuselage insert rear peg tube through fuselage motor Remove loading stick anchor model stooge using rear-peg pin Attach motor winder hook extension wire slide winding tube over extension over motor fuselage seat ing properly rear peg helps hold motor under firm tension doing Lower scatter shield groove insert pin locks base Attach winder hook exten sion winder wind like crazy blissfully secure knowledge model wont destroyed whennot motor breaks Now have wound within turn breaking point relax few seconds back off 20 30 turns dont want hear complaints about motor breaking after winding tube withdrawn happens Slide winding tube out over hook extension grasp end motor twixt thumb dex finger let end motor unwind bit disconnect hook extension Now can remember what did prop hook onto motor well can figure out rest good place keep prop winding between teeth ensures prop will handy need it also ensures wont make indiscreet remarks peasants ask dumb questions winding above description seems compli cated skip Just spread out hard ware dope out yourself Thats probably easier following descrip tion really difficult de scription makes seem Getting broken motor out wind ing tube isnt too easy sometimes First pull out rear peg using wire pin helps fish broken motor out tube using winding hook exten sion wire another piece wire suitable hook formed end think Doc MartinBlack Belt Pea nuteerwho suggested using piece razor blade epoxied onto end dow el hack knotted rubber submis sion havent resort thatso far sheer brute force ignorance have sufficedbut seems like jolly idea Peanut Scale Nats results came out showing Charlie Learoyd won both Indoor Outdoor Peanut Scale events couldnt resist asking Char lie did story Lacey M- 10 built right off Bill Warners plans American Aircraft Modeler Feb 1975 few modi fications lighten bit Wing leading edge trailing top surface sparat high point airfoilare 1 / 16 square Tail surfaces 1/32 square double covered model covered ordinary Japanese tissue pre war Superfine finished two thin coats thinned nitrate dope total weight less rubber 93 grams es pecially light attribute success model two factors large prop 7 dia X 10 pitch experience prop handles power delivered 20-inch loop 3/32 rubber FAI Model Sup ply model two years old has flown flown flown So know exactly what will know will consistently same model fact same rubber motor used both indoor outdoor flying Nats change small bit clay added nose make better able handle turbulence wind outdoors outdoor trimming philosophy type airplaneeven moderate windis trim indoor flying let climb up 30 40 feet just putt around Charlies indoor flight times 121 113 122 seconds Considering model especially light despite its large prop large chord flight times indicate optimum trim perfect match prop rubber aircraft fact seems little better optimum didnt use Pirelli rubber Ex perience counts Think metric Superior Balsa now stocks balsa sheet hitherto unavailable 1/40-in size long dormant 1/64 1/20-in sizes strips 1/20-in thicknesses various widths FAI Supply sells straight music wire 2-mm diam eter thing 16 strands A-in rubber what often peddled -in rubber often 6-mm rubber comes Italy Japan Some rubber mongers country specify widths fractions inch some decimal inch sizes some millimeters I' wnSinq 5toOqe Y2eanut Sccde Etc continued page 93 Scale-Like Profiles Two new Half-A-powered profile CL modelsthe Paul Mantz Trophy P51 shown Polen Special liare de signed withstand abuse learning flier yet deliver stunt performance including inverted flight hands advanced pilot all-balsa kits completely pre cut easy-to-follow plans instructions Polen hardware includes bellcrank elevator horn pushrod line guides landing gear P-Si pictured landing gear flying over grass areas Hardware also includes formed landing gear material either beam radial engine mounting decal sheet stripes numbers cockpit glazing dummy vacu-formed exhaust comes P-Si kit Price Polen $395 P-51 $595 Both available dealer Hobby Hideaway Delavan IL 61734 Englandfrom Performance Kits produ ctreviowp rod ucireview prod uctreoiewprod Uctre view FF Duration/Meuser continued page 31 Solarbo some its foreign custom ers required cut balsa metric thick nesses widths lengths remain 3 nches As long let other countries win free flight world champion ships well continue see metric balsa dimensions called out drawings winning models eventually well switch metric ourselves say dont hold breath shopping local hardware store guy asked clerk six-inch metric ruler clerk knew exactly what meant sold him guy walked off happy clam leaving standing laughing silly head off converting metric slowly may have noticed whenever metric size replaces something used jugged up quarts always seem go next smaller metric size price remains same Supplies Source finally got scoop regarding HLG kits formerly pro duced American Balsa Corp M & P Enterprises before models currently produced Aero Modeling Enterprises 2215 5 Air Depot Blvd Mid west City OK 73110 operated Gail Matt Gewain Current production includes ciurers 947 Lew Mahieu i Speed Flyer AcSUPERSONIC current winners er fuel Today ic dropped ilar best FIRST Supersonic fuel well know quired 1950 rapidly became fuels. ___ NATS other under single narm back 1973 K&B F performing fuel K&Bs twenty-six yearZV experience hae proved need various t~s fuel Therefore offer widest range oflow fuels available. spe cifically formulated meet demands todays engines events geographical conditions K&B MODEL ENGINE FUEL X2C OIL K&B 100 Free Flight U-control RIO Flying K&B 500 RIO Flying & RIO Race carswhere both high low speeds required K&B 1000 /2A Engines K&B SUPER SPEED going out K&B MODEL ENGINE FUEL CASTOR OIL K&8 100 Free Flight U-control RIO Flying K&B 1000 Y2A Engines K&B FAI 80/20 Pylon Free Flight U-Control Speedno Nitro Qualifies FAl rules Select K&B Glow Fuel fulfill needs power model plane Choice Champions Mathiss Flash scaled-down MiniFlash Lee Hiness Sweepette 19 Bill Blanchards Poly Don Chanceys Bo Weevil Tom Peadons USKid have impressive track records So far over 1500 kits have shipped dealer doesnt have stock tell him fink order direct AME AME hopes introduce dethermal izer versions Polly Sweep ette early year Prices standard lines have increased despite increasing costs hope keep way Lots luck Other items interest marketed AME include 2-oz fuel 0 O~ syringes $198 l-oz reusable mixing cups 25 99 low stretch light weight strong towline $350 165 feet Platitude Month An aspect ratio 101 121 should used pos sible hope Nordic fliers take note Nevertheless some models very low aspect ratio make good fliers owing extreme lightness Im sure Indoor modelers will glad hear V E Johnson 1910 Bob Meuser 4200 Gregory St. Oak land CA 94619 March1977 93 REMAINING