Duration Beyond Belieff Before take task lousy spelling let explain Dan Belieff lad has held Category Open Indoor HL Glider rec ord better part decade cant help cant spell Getting beyond Dan Belieff Cat IHLG will take some ing Im sure wont lose sleep over implied threat glider shown drawing may may great design has done well several oc casions recently beating former low-ceil ing record holders Ron Wittman Lee Hines competition has some interesting features Before make wisecracks about fuselage looking like hind leg dog better sure pooch within earshot dont think would take kindly started out looking pretty normal swooped up under wing save weight later tentionally broke re-glued get sufficient turn incidence warp ing tail surfaces out shape Its 24-in span l0-gr weight give far greater overall size weight far greater wing loading anything anyone right mind would fly 22ft ceiling typical would 16-in span weight 4 5 gr airfoil combination lot things bears some resemblance used model Erv Rodemsky built very thick near leading edge thin ning rapidly aft very front wing vertical lower front corner leading edge sharp notion came foils Hank Cole George Xen akis have used Nordics FAI Power models Wakefields Wakefield props res. Bob Meuser Undercamber easily overdone glider has Previous experience smaller gliders seemed indicate best way add camber bend down trailing edge form flap rather distribute camber uniformly through-hole turbulators result 20-year-old article ero Modeller recently sent Prasanta Banerjee India figured didnt work could always plug dabs glue Cole leading edge hole turbulators intend ed models flying Reynolds numbers three four times high model really worked model would rather fortuitous can say sure couldnt have hurt performance much model did seem stable less susceptible gusts conventional leading edge Having model suddenly come stop fall altitude four feet can rather discon certing model started out life eyeballed Supersweep Rons original model made rough much lighter copy plain dihedral Since model originally built stabilizer area rudder area have decreased tailboom has shortened think tran sition launch glide would im proved dihedral increased rudder area decreased still further Almost everyone flies low-ceiling gliders uses left-left pattern Im right handed cant throw glider wings level let alone banked left So right-right 0201*0/es ofl 1/4 centers. ~oot air/oil Beyond BCIIEIT bij Dob Meuser 1st 4ac 19T6 VFreeRiyhtCbanttis W dihedral KX2 model has flown three occasions rather drastic modifi cations between flying sessions three sessions under competition condi tions such circumstances does what thinks will maximize chances bringing home trophy means play cool dont take un necessary chances have few flights remaining first place sured within sight go broke far different tactical game plays developing model future competition model has highly developed like said has some interesting unusual fea tures over 31 sec 22-ft usable ceiling height bad Ron Wittman called tonight ex pressed interest doing some practic ing almost cheating dont think IHLG fliers have heretofore done flying between annual FreeFlight Championships would nice see some real competition going West Coast low-ceiling Indoor HLG again Ron Lee have let Dan hang onto record far too long Henry Struck Honored can scarcely pick up pre-WWII model magazine out finding some reference Henry Struck Henry built least 80 models plans large fraction published Struck-designed models still being built Old-Timer rub ber-power Flying Scale competition Henry still active FAI World Championships program Wakefield rubber-power models honor Henrys great contribution sport Sam-7 club Connecti cut will sponsor unique contest limited models designed Henry Struck 42 Model Aviation Henry Struck well-known modeler since Thirties honored contest open replicas designs meet will held October 17 Glastonbury Meadows Proxy entrees eligible Contact man Carmen Botticel lo 30 Bluefield Dr East Hartford CT 06118 Rocket Power recent US Free Flight Champs saw pair Jetex-power models rather unusual nothing unusual about seeing unusual models fly unusually well too thats unusual So usual get story Tah dah Dick Wood designed Jet Tube model shown drawing built several replicas Don Thompsons Fizz-Dip appears page 236 1959-61 Model Aeronautic Yearbook available AMA Supply Service glide always very good flight pat tern under power often spectac ular predictable model seemed extremely sensitive angle rocket motor mounted model hit thermal under power got burst power cracked fuel pellet model would turn over dive Dick will tell Jet Tube de veloped wing stabilizer copied directly Fizz-Dip correct difficulties experienced FizzDips rudder moved position behind stabilizer done im prove directional stability com pensate additional side area redesigned wing mount new wing mountan open-ended boxcontrols direction rocket thrust may also act thrust augmentor have con ducted experiments Jetex claims thrust increase 11 25% use augmentors So far approximately ten modelers have built Jet-Tube mod els have successful Steve Mounsey flew Taft would now hold Category Junior Record Jet Tube CD getting contest report late Several modifica tions design have built too rounded wing tips aluminum cigar-case augmentor tube single pylon scaled-down versions Dicks recommendations trimming model Start stabi lizer angle shown plans Hand glide add weight nose tail required get good glide Make test flight fuel pellet Th model should fly straight climb slowly Ad just rudder trim tab until straight power flight achieved model tends dive under power add 1/32-in shim under trailing edge stabilizer crease power two three pellets readjusting trim tab straight climb good bum model will climb straight up Full-size plans available NFFS Plans Publications 5641 Diamond Heights Blvd San Francisco CA 94131 Price $100 postpaid A7 -__ 3Ii _ 82 44LII 16 I 4 rt1f1=tU 1----- 4IX - 4 F ~ Top bottom former4 8 ~ 1 6- duz9oAtalJ ae-- 4-1 T -I I-- rZi 4-IAY L2 H4- 6I 2ise kfr stab teft - I 32 ridiard Woocts JeT Tube Wire Bending Jig Thats its official monicker listed No 64-1960 Radio Shack catalog price $159 Basically aluminum casting can held vise secured work bench flat-head screws Crosswise slots accept wire 1/16 dia need useful making simple bends grooves simply hold wire work done hammer possibly hardwood block center block series holes set four dowels slip holes spacing between dowels 8 varies can find space will fit anything up dia casting rather thin appears intended bending coathanger wire music wire instruc tions give directions making such use ful things bent-wire potato cookers Somehow have gone half century realizing quality life would have enhanced possession bent-wire potato cooker searing question though Would handle music wire 3/32 5/32 dia range did Right-angle bends 5/32 wire no problem could bench vise cen tered eye /8 music wire readily ac complished too dont little parlor trick bench vise pins iameter smallest eye can make directly However smaller eye desired can smash smaller few smacks hammer expect Starrett quality will sorely disappointed will get job done what will save cost Band-Aids year can buy Balsa Finish Squire Openshaw has tried HL Glider finish known ancient modern man has come up can guarantee will find Frank Zaics Model Aeronautic Yearbooks Dissolve styro foam dope thinner brush resultcontinued page 94 Th October1976 43 I I Jet blast Jetex 150 engine goes tween two wing-mount pylons Richard Woods Rocket Power-class model thought may thrust augmenting effect Stearman C3BGEHERALTb 9 sopt /READY OR N W NWE________ DO GEGN SNOBDA 35 RBIOSOON.04S POWERFOR RADIO CONTROL OR FREE FLIGHT00010 POWES C SIT OF NOSTALGIA FOR 0000 CORONAL UF TO THREE CHANNELSONE OF THE GOLDEN ERAS AREATEST AIRCRAFTGAo 0 oDLIGHT TO BUILD HISTORO BAXEN flOOBE WORLD N N~SONS AMERICAN FOWEB FORV PIPIR Cl/i N 01 CONTROL UP TO OTHEE SO WINGSPAN 000 POWER FOR FREE 9N SNELS TRUE CLASSIC A15 FLIWOD OR R*01D CONTROL E1OOt0BLO FROG THE GOLDEN CR0 7FOR CDNTRCL UNITS CAN BE FLORN PSEE FLIHOT OS POWER ON RUBBEROS DIRECT ORDERS ADD lOX FAN TACKING ANDFLY LINE MODELS BOOR D0E 00 RESICESOC ADD Ha ODD SEE YOUR LOCAL HOBBY DEALER0643 ASHBY PL PAIREAX VA22030 FF Duration/Meuser continued page 43 ing liquid onto wood Let dry sand apply coats urethane varnish Let dry wet sand Alterna tively styrofoam can dipped dope thinner immediately rubbed wood styrofoam film suppose polystyrene film eb chemists hard tough urethane varnish gives relatively chemically impervious barrier almost paint resin coating may applied Enamelthe exception know ofdoesnt adhere very well No shrinkage man says Other Hints Tips Again Squire Openshaw AAEthanol excellent raising grain balsa dries quickly caused practically no warpage might try methanol too per haps water-alcohol mix such rubbing alcohol Vodka ADWaterdiluted White Magic vinyl floor polish seems promising sealant Japanese tissue would have thought Bob Meuser 4200 Gregory St Oak land CA 94619 ADVERTISERS INDEX Ace Radio Control Inc79 Andrews Aircraft Model Co89 David Andrews CoCover 2 Cox Hobbies4849 96 Cover 3 Cumberland Press86 Du-Bro Products Inc85 EK-logictrol87 Flyline Models94 Carl Goldberg Models20 Grish Brothers92 Peck-Polymers81 Progress Mfg Company91 RCBuyersGuide93 RSSystems81 SC Modeler Hobby Shop83 Sig Mfg Company1 Sterling Models Inc90 VI Products86 Williams Brothers91 World EnginesBack Cover CL Navy Carrier/Perry continued page 35 between wing flap cause higher-pressure air bend airflow around upper surface flaps increase effectiveness part such flaps suited Carrier models because too heavy too complicated too critical design provide small improve ment over much simpler plain flaps split flaps lend themselves very well modeling applications plain flap commonly used flap design Carrier models made cutting off last 20% airfoil section mounting hinges sheet flaps common Stunt models also plain flaps Plain flaps usually used Carrier models prototype aircraft employed slotted flaps Fowler flaps some other type complicated motions Plain flaps ap propriate time flap outlines visible upper surface wing flap/ wing separation can canted upper wing surface extended thin plywood cases separation lines top bottom wing slightly different positions slotted flap installations Split flaps used carrier aircraft among Grumman Avenger Wildcat Douglas Daunt less Devastator North Amer ican Texan trained Navy pilots split flap made hinging bottom surface wing trailing edge split flap deflected upper surface wing does move Plain flaps split flaps have very simi lar effects lift drag given airfoil plain flaps tend have slightly drag split flaps no real advantage using either type thin trailing edge flap sections split flaps can cause some warping problems dope used finishing nonshrinking finish can used eliminate problem have heard some disturbing reports some builders enlarging split flaps well yond proper scale outlines claiming legality because flaps visible top view wing Besides being obvious violation intent rule see being hidden exempts flaps requirement scale topview outlines stated rule bonus points Ignoring flap outlines hid den top view equivalent saying Guardian doesnt need right auxiliary vertical stabilizer because visible left side view submitted scale verification Whatever personal interpretation legality enlarged split flaps let discourage attempting such installation another reasonthey dont work Split flaps larger about 20% wing chord increase maximum lift coefficient thin sec tions used Carrier models fact 10% thick wing large flap actually less effective small About added enlarging split flaps beyond proper scale dimensions weight Once rush Nats preparations has passed plan run product evaluations Fox Profile Carrier Special engine G-S Products Bearcat Kit Pro file Carrier have number en quiries both products Richard L Perry 5016 ngelita Ave Dayton OH 45424 CL World Champs/Johnson continued page 19 second round Everything looked OK qualifying shot motor ADcookedS bit during some heavy traffic motor became balky pit required extra dose flipping third American team Jolly/Kusik couldnt improve first-round time fact having trouble flight past year split fuel line caused engine sputter cause run-in final very exciting though Danish team broke model first pit Russian pilot used two fouls whip over Swedish team proved enough margin pull out win race close trailing another past segment lap counting lights flashed same instant Later banquet found out Larsson-Rylins engine oversize tiny amount Rossi 15s come oversize factory happened un fortunately disqualified cause fast heat time third place award given Russian team Onufrienko-Shapovalov 402 heat time Austrians awarded prize top team Team Race basis fast heat times 94 Model Aviation
Edition: Model Aviation - 1976/10
Page Numbers: 42, 43, 94
Duration Beyond Belieff Before take task lousy spelling let explain Dan Belieff lad has held Category Open Indoor HL Glider rec ord better part decade cant help cant spell Getting beyond Dan Belieff Cat IHLG will take some ing Im sure wont lose sleep over implied threat glider shown drawing may may great design has done well several oc casions recently beating former low-ceil ing record holders Ron Wittman Lee Hines competition has some interesting features Before make wisecracks about fuselage looking like hind leg dog better sure pooch within earshot dont think would take kindly started out looking pretty normal swooped up under wing save weight later tentionally broke re-glued get sufficient turn incidence warp ing tail surfaces out shape Its 24-in span l0-gr weight give far greater overall size weight far greater wing loading anything anyone right mind would fly 22ft ceiling typical would 16-in span weight 4 5 gr airfoil combination lot things bears some resemblance used model Erv Rodemsky built very thick near leading edge thin ning rapidly aft very front wing vertical lower front corner leading edge sharp notion came foils Hank Cole George Xen akis have used Nordics FAI Power models Wakefields Wakefield props res. Bob Meuser Undercamber easily overdone glider has Previous experience smaller gliders seemed indicate best way add camber bend down trailing edge form flap rather distribute camber uniformly through-hole turbulators result 20-year-old article ero Modeller recently sent Prasanta Banerjee India figured didnt work could always plug dabs glue Cole leading edge hole turbulators intend ed models flying Reynolds numbers three four times high model really worked model would rather fortuitous can say sure couldnt have hurt performance much model did seem stable less susceptible gusts conventional leading edge Having model suddenly come stop fall altitude four feet can rather discon certing model started out life eyeballed Supersweep Rons original model made rough much lighter copy plain dihedral Since model originally built stabilizer area rudder area have decreased tailboom has shortened think tran sition launch glide would im proved dihedral increased rudder area decreased still further Almost everyone flies low-ceiling gliders uses left-left pattern Im right handed cant throw glider wings level let alone banked left So right-right 0201*0/es ofl 1/4 centers. ~oot air/oil Beyond BCIIEIT bij Dob Meuser 1st 4ac 19T6 VFreeRiyhtCbanttis W dihedral KX2 model has flown three occasions rather drastic modifi cations between flying sessions three sessions under competition condi tions such circumstances does what thinks will maximize chances bringing home trophy means play cool dont take un necessary chances have few flights remaining first place sured within sight go broke far different tactical game plays developing model future competition model has highly developed like said has some interesting unusual fea tures over 31 sec 22-ft usable ceiling height bad Ron Wittman called tonight ex pressed interest doing some practic ing almost cheating dont think IHLG fliers have heretofore done flying between annual FreeFlight Championships would nice see some real competition going West Coast low-ceiling Indoor HLG again Ron Lee have let Dan hang onto record far too long Henry Struck Honored can scarcely pick up pre-WWII model magazine out finding some reference Henry Struck Henry built least 80 models plans large fraction published Struck-designed models still being built Old-Timer rub ber-power Flying Scale competition Henry still active FAI World Championships program Wakefield rubber-power models honor Henrys great contribution sport Sam-7 club Connecti cut will sponsor unique contest limited models designed Henry Struck 42 Model Aviation Henry Struck well-known modeler since Thirties honored contest open replicas designs meet will held October 17 Glastonbury Meadows Proxy entrees eligible Contact man Carmen Botticel lo 30 Bluefield Dr East Hartford CT 06118 Rocket Power recent US Free Flight Champs saw pair Jetex-power models rather unusual nothing unusual about seeing unusual models fly unusually well too thats unusual So usual get story Tah dah Dick Wood designed Jet Tube model shown drawing built several replicas Don Thompsons Fizz-Dip appears page 236 1959-61 Model Aeronautic Yearbook available AMA Supply Service glide always very good flight pat tern under power often spectac ular predictable model seemed extremely sensitive angle rocket motor mounted model hit thermal under power got burst power cracked fuel pellet model would turn over dive Dick will tell Jet Tube de veloped wing stabilizer copied directly Fizz-Dip correct difficulties experienced FizzDips rudder moved position behind stabilizer done im prove directional stability com pensate additional side area redesigned wing mount new wing mountan open-ended boxcontrols direction rocket thrust may also act thrust augmentor have con ducted experiments Jetex claims thrust increase 11 25% use augmentors So far approximately ten modelers have built Jet-Tube mod els have successful Steve Mounsey flew Taft would now hold Category Junior Record Jet Tube CD getting contest report late Several modifica tions design have built too rounded wing tips aluminum cigar-case augmentor tube single pylon scaled-down versions Dicks recommendations trimming model Start stabi lizer angle shown plans Hand glide add weight nose tail required get good glide Make test flight fuel pellet Th model should fly straight climb slowly Ad just rudder trim tab until straight power flight achieved model tends dive under power add 1/32-in shim under trailing edge stabilizer crease power two three pellets readjusting trim tab straight climb good bum model will climb straight up Full-size plans available NFFS Plans Publications 5641 Diamond Heights Blvd San Francisco CA 94131 Price $100 postpaid A7 -__ 3Ii _ 82 44LII 16 I 4 rt1f1=tU 1----- 4IX - 4 F ~ Top bottom former4 8 ~ 1 6- duz9oAtalJ ae-- 4-1 T -I I-- rZi 4-IAY L2 H4- 6I 2ise kfr stab teft - I 32 ridiard Woocts JeT Tube Wire Bending Jig Thats its official monicker listed No 64-1960 Radio Shack catalog price $159 Basically aluminum casting can held vise secured work bench flat-head screws Crosswise slots accept wire 1/16 dia need useful making simple bends grooves simply hold wire work done hammer possibly hardwood block center block series holes set four dowels slip holes spacing between dowels 8 varies can find space will fit anything up dia casting rather thin appears intended bending coathanger wire music wire instruc tions give directions making such use ful things bent-wire potato cookers Somehow have gone half century realizing quality life would have enhanced possession bent-wire potato cooker searing question though Would handle music wire 3/32 5/32 dia range did Right-angle bends 5/32 wire no problem could bench vise cen tered eye /8 music wire readily ac complished too dont little parlor trick bench vise pins iameter smallest eye can make directly However smaller eye desired can smash smaller few smacks hammer expect Starrett quality will sorely disappointed will get job done what will save cost Band-Aids year can buy Balsa Finish Squire Openshaw has tried HL Glider finish known ancient modern man has come up can guarantee will find Frank Zaics Model Aeronautic Yearbooks Dissolve styro foam dope thinner brush resultcontinued page 94 Th October1976 43 I I Jet blast Jetex 150 engine goes tween two wing-mount pylons Richard Woods Rocket Power-class model thought may thrust augmenting effect Stearman C3BGEHERALTb 9 sopt /READY OR N W NWE________ DO GEGN SNOBDA 35 RBIOSOON.04S POWERFOR RADIO CONTROL OR FREE FLIGHT00010 POWES C SIT OF NOSTALGIA FOR 0000 CORONAL UF TO THREE CHANNELSONE OF THE GOLDEN ERAS AREATEST AIRCRAFTGAo 0 oDLIGHT TO BUILD HISTORO BAXEN flOOBE WORLD N N~SONS AMERICAN FOWEB FORV PIPIR Cl/i N 01 CONTROL UP TO OTHEE SO WINGSPAN 000 POWER FOR FREE 9N SNELS TRUE CLASSIC A15 FLIWOD OR R*01D CONTROL E1OOt0BLO FROG THE GOLDEN CR0 7FOR CDNTRCL UNITS CAN BE FLORN PSEE FLIHOT OS POWER ON RUBBEROS DIRECT ORDERS ADD lOX FAN TACKING ANDFLY LINE MODELS BOOR D0E 00 RESICESOC ADD Ha ODD SEE YOUR LOCAL HOBBY DEALER0643 ASHBY PL PAIREAX VA22030 FF Duration/Meuser continued page 43 ing liquid onto wood Let dry sand apply coats urethane varnish Let dry wet sand Alterna tively styrofoam can dipped dope thinner immediately rubbed wood styrofoam film suppose polystyrene film eb chemists hard tough urethane varnish gives relatively chemically impervious barrier almost paint resin coating may applied Enamelthe exception know ofdoesnt adhere very well No shrinkage man says Other Hints Tips Again Squire Openshaw AAEthanol excellent raising grain balsa dries quickly caused practically no warpage might try methanol too per haps water-alcohol mix such rubbing alcohol Vodka ADWaterdiluted White Magic vinyl floor polish seems promising sealant Japanese tissue would have thought Bob Meuser 4200 Gregory St Oak land CA 94619 ADVERTISERS INDEX Ace Radio Control Inc79 Andrews Aircraft Model Co89 David Andrews CoCover 2 Cox Hobbies4849 96 Cover 3 Cumberland Press86 Du-Bro Products Inc85 EK-logictrol87 Flyline Models94 Carl Goldberg Models20 Grish Brothers92 Peck-Polymers81 Progress Mfg Company91 RCBuyersGuide93 RSSystems81 SC Modeler Hobby Shop83 Sig Mfg Company1 Sterling Models Inc90 VI Products86 Williams Brothers91 World EnginesBack Cover CL Navy Carrier/Perry continued page 35 between wing flap cause higher-pressure air bend airflow around upper surface flaps increase effectiveness part such flaps suited Carrier models because too heavy too complicated too critical design provide small improve ment over much simpler plain flaps split flaps lend themselves very well modeling applications plain flap commonly used flap design Carrier models made cutting off last 20% airfoil section mounting hinges sheet flaps common Stunt models also plain flaps Plain flaps usually used Carrier models prototype aircraft employed slotted flaps Fowler flaps some other type complicated motions Plain flaps ap propriate time flap outlines visible upper surface wing flap/ wing separation can canted upper wing surface extended thin plywood cases separation lines top bottom wing slightly different positions slotted flap installations Split flaps used carrier aircraft among Grumman Avenger Wildcat Douglas Daunt less Devastator North Amer ican Texan trained Navy pilots split flap made hinging bottom surface wing trailing edge split flap deflected upper surface wing does move Plain flaps split flaps have very simi lar effects lift drag given airfoil plain flaps tend have slightly drag split flaps no real advantage using either type thin trailing edge flap sections split flaps can cause some warping problems dope used finishing nonshrinking finish can used eliminate problem have heard some disturbing reports some builders enlarging split flaps well yond proper scale outlines claiming legality because flaps visible top view wing Besides being obvious violation intent rule see being hidden exempts flaps requirement scale topview outlines stated rule bonus points Ignoring flap outlines hid den top view equivalent saying Guardian doesnt need right auxiliary vertical stabilizer because visible left side view submitted scale verification Whatever personal interpretation legality enlarged split flaps let discourage attempting such installation another reasonthey dont work Split flaps larger about 20% wing chord increase maximum lift coefficient thin sec tions used Carrier models fact 10% thick wing large flap actually less effective small About added enlarging split flaps beyond proper scale dimensions weight Once rush Nats preparations has passed plan run product evaluations Fox Profile Carrier Special engine G-S Products Bearcat Kit Pro file Carrier have number en quiries both products Richard L Perry 5016 ngelita Ave Dayton OH 45424 CL World Champs/Johnson continued page 19 second round Everything looked OK qualifying shot motor ADcookedS bit during some heavy traffic motor became balky pit required extra dose flipping third American team Jolly/Kusik couldnt improve first-round time fact having trouble flight past year split fuel line caused engine sputter cause run-in final very exciting though Danish team broke model first pit Russian pilot used two fouls whip over Swedish team proved enough margin pull out win race close trailing another past segment lap counting lights flashed same instant Later banquet found out Larsson-Rylins engine oversize tiny amount Rossi 15s come oversize factory happened un fortunately disqualified cause fast heat time third place award given Russian team Onufrienko-Shapovalov 402 heat time Austrians awarded prize top team Team Race basis fast heat times 94 Model Aviation
Edition: Model Aviation - 1976/10
Page Numbers: 42, 43, 94
Duration Beyond Belieff Before take task lousy spelling let explain Dan Belieff lad has held Category Open Indoor HL Glider rec ord better part decade cant help cant spell Getting beyond Dan Belieff Cat IHLG will take some ing Im sure wont lose sleep over implied threat glider shown drawing may may great design has done well several oc casions recently beating former low-ceil ing record holders Ron Wittman Lee Hines competition has some interesting features Before make wisecracks about fuselage looking like hind leg dog better sure pooch within earshot dont think would take kindly started out looking pretty normal swooped up under wing save weight later tentionally broke re-glued get sufficient turn incidence warp ing tail surfaces out shape Its 24-in span l0-gr weight give far greater overall size weight far greater wing loading anything anyone right mind would fly 22ft ceiling typical would 16-in span weight 4 5 gr airfoil combination lot things bears some resemblance used model Erv Rodemsky built very thick near leading edge thin ning rapidly aft very front wing vertical lower front corner leading edge sharp notion came foils Hank Cole George Xen akis have used Nordics FAI Power models Wakefields Wakefield props res. Bob Meuser Undercamber easily overdone glider has Previous experience smaller gliders seemed indicate best way add camber bend down trailing edge form flap rather distribute camber uniformly through-hole turbulators result 20-year-old article ero Modeller recently sent Prasanta Banerjee India figured didnt work could always plug dabs glue Cole leading edge hole turbulators intend ed models flying Reynolds numbers three four times high model really worked model would rather fortuitous can say sure couldnt have hurt performance much model did seem stable less susceptible gusts conventional leading edge Having model suddenly come stop fall altitude four feet can rather discon certing model started out life eyeballed Supersweep Rons original model made rough much lighter copy plain dihedral Since model originally built stabilizer area rudder area have decreased tailboom has shortened think tran sition launch glide would im proved dihedral increased rudder area decreased still further Almost everyone flies low-ceiling gliders uses left-left pattern Im right handed cant throw glider wings level let alone banked left So right-right 0201*0/es ofl 1/4 centers. ~oot air/oil Beyond BCIIEIT bij Dob Meuser 1st 4ac 19T6 VFreeRiyhtCbanttis W dihedral KX2 model has flown three occasions rather drastic modifi cations between flying sessions three sessions under competition condi tions such circumstances does what thinks will maximize chances bringing home trophy means play cool dont take un necessary chances have few flights remaining first place sured within sight go broke far different tactical game plays developing model future competition model has highly developed like said has some interesting unusual fea tures over 31 sec 22-ft usable ceiling height bad Ron Wittman called tonight ex pressed interest doing some practic ing almost cheating dont think IHLG fliers have heretofore done flying between annual FreeFlight Championships would nice see some real competition going West Coast low-ceiling Indoor HLG again Ron Lee have let Dan hang onto record far too long Henry Struck Honored can scarcely pick up pre-WWII model magazine out finding some reference Henry Struck Henry built least 80 models plans large fraction published Struck-designed models still being built Old-Timer rub ber-power Flying Scale competition Henry still active FAI World Championships program Wakefield rubber-power models honor Henrys great contribution sport Sam-7 club Connecti cut will sponsor unique contest limited models designed Henry Struck 42 Model Aviation Henry Struck well-known modeler since Thirties honored contest open replicas designs meet will held October 17 Glastonbury Meadows Proxy entrees eligible Contact man Carmen Botticel lo 30 Bluefield Dr East Hartford CT 06118 Rocket Power recent US Free Flight Champs saw pair Jetex-power models rather unusual nothing unusual about seeing unusual models fly unusually well too thats unusual So usual get story Tah dah Dick Wood designed Jet Tube model shown drawing built several replicas Don Thompsons Fizz-Dip appears page 236 1959-61 Model Aeronautic Yearbook available AMA Supply Service glide always very good flight pat tern under power often spectac ular predictable model seemed extremely sensitive angle rocket motor mounted model hit thermal under power got burst power cracked fuel pellet model would turn over dive Dick will tell Jet Tube de veloped wing stabilizer copied directly Fizz-Dip correct difficulties experienced FizzDips rudder moved position behind stabilizer done im prove directional stability com pensate additional side area redesigned wing mount new wing mountan open-ended boxcontrols direction rocket thrust may also act thrust augmentor have con ducted experiments Jetex claims thrust increase 11 25% use augmentors So far approximately ten modelers have built Jet-Tube mod els have successful Steve Mounsey flew Taft would now hold Category Junior Record Jet Tube CD getting contest report late Several modifica tions design have built too rounded wing tips aluminum cigar-case augmentor tube single pylon scaled-down versions Dicks recommendations trimming model Start stabi lizer angle shown plans Hand glide add weight nose tail required get good glide Make test flight fuel pellet Th model should fly straight climb slowly Ad just rudder trim tab until straight power flight achieved model tends dive under power add 1/32-in shim under trailing edge stabilizer crease power two three pellets readjusting trim tab straight climb good bum model will climb straight up Full-size plans available NFFS Plans Publications 5641 Diamond Heights Blvd San Francisco CA 94131 Price $100 postpaid A7 -__ 3Ii _ 82 44LII 16 I 4 rt1f1=tU 1----- 4IX - 4 F ~ Top bottom former4 8 ~ 1 6- duz9oAtalJ ae-- 4-1 T -I I-- rZi 4-IAY L2 H4- 6I 2ise kfr stab teft - I 32 ridiard Woocts JeT Tube Wire Bending Jig Thats its official monicker listed No 64-1960 Radio Shack catalog price $159 Basically aluminum casting can held vise secured work bench flat-head screws Crosswise slots accept wire 1/16 dia need useful making simple bends grooves simply hold wire work done hammer possibly hardwood block center block series holes set four dowels slip holes spacing between dowels 8 varies can find space will fit anything up dia casting rather thin appears intended bending coathanger wire music wire instruc tions give directions making such use ful things bent-wire potato cookers Somehow have gone half century realizing quality life would have enhanced possession bent-wire potato cooker searing question though Would handle music wire 3/32 5/32 dia range did Right-angle bends 5/32 wire no problem could bench vise cen tered eye /8 music wire readily ac complished too dont little parlor trick bench vise pins iameter smallest eye can make directly However smaller eye desired can smash smaller few smacks hammer expect Starrett quality will sorely disappointed will get job done what will save cost Band-Aids year can buy Balsa Finish Squire Openshaw has tried HL Glider finish known ancient modern man has come up can guarantee will find Frank Zaics Model Aeronautic Yearbooks Dissolve styro foam dope thinner brush resultcontinued page 94 Th October1976 43 I I Jet blast Jetex 150 engine goes tween two wing-mount pylons Richard Woods Rocket Power-class model thought may thrust augmenting effect Stearman C3BGEHERALTb 9 sopt /READY OR N W NWE________ DO GEGN SNOBDA 35 RBIOSOON.04S POWERFOR RADIO CONTROL OR FREE FLIGHT00010 POWES C SIT OF NOSTALGIA FOR 0000 CORONAL UF TO THREE CHANNELSONE OF THE GOLDEN ERAS AREATEST AIRCRAFTGAo 0 oDLIGHT TO BUILD HISTORO BAXEN flOOBE WORLD N N~SONS AMERICAN FOWEB FORV PIPIR Cl/i N 01 CONTROL UP TO OTHEE SO WINGSPAN 000 POWER FOR FREE 9N SNELS TRUE CLASSIC A15 FLIWOD OR R*01D CONTROL E1OOt0BLO FROG THE GOLDEN CR0 7FOR CDNTRCL UNITS CAN BE FLORN PSEE FLIHOT OS POWER ON RUBBEROS DIRECT ORDERS ADD lOX FAN TACKING ANDFLY LINE MODELS BOOR D0E 00 RESICESOC ADD Ha ODD SEE YOUR LOCAL HOBBY DEALER0643 ASHBY PL PAIREAX VA22030 FF Duration/Meuser continued page 43 ing liquid onto wood Let dry sand apply coats urethane varnish Let dry wet sand Alterna tively styrofoam can dipped dope thinner immediately rubbed wood styrofoam film suppose polystyrene film eb chemists hard tough urethane varnish gives relatively chemically impervious barrier almost paint resin coating may applied Enamelthe exception know ofdoesnt adhere very well No shrinkage man says Other Hints Tips Again Squire Openshaw AAEthanol excellent raising grain balsa dries quickly caused practically no warpage might try methanol too per haps water-alcohol mix such rubbing alcohol Vodka ADWaterdiluted White Magic vinyl floor polish seems promising sealant Japanese tissue would have thought Bob Meuser 4200 Gregory St Oak land CA 94619 ADVERTISERS INDEX Ace Radio Control Inc79 Andrews Aircraft Model Co89 David Andrews CoCover 2 Cox Hobbies4849 96 Cover 3 Cumberland Press86 Du-Bro Products Inc85 EK-logictrol87 Flyline Models94 Carl Goldberg Models20 Grish Brothers92 Peck-Polymers81 Progress Mfg Company91 RCBuyersGuide93 RSSystems81 SC Modeler Hobby Shop83 Sig Mfg Company1 Sterling Models Inc90 VI Products86 Williams Brothers91 World EnginesBack Cover CL Navy Carrier/Perry continued page 35 between wing flap cause higher-pressure air bend airflow around upper surface flaps increase effectiveness part such flaps suited Carrier models because too heavy too complicated too critical design provide small improve ment over much simpler plain flaps split flaps lend themselves very well modeling applications plain flap commonly used flap design Carrier models made cutting off last 20% airfoil section mounting hinges sheet flaps common Stunt models also plain flaps Plain flaps usually used Carrier models prototype aircraft employed slotted flaps Fowler flaps some other type complicated motions Plain flaps ap propriate time flap outlines visible upper surface wing flap/ wing separation can canted upper wing surface extended thin plywood cases separation lines top bottom wing slightly different positions slotted flap installations Split flaps used carrier aircraft among Grumman Avenger Wildcat Douglas Daunt less Devastator North Amer ican Texan trained Navy pilots split flap made hinging bottom surface wing trailing edge split flap deflected upper surface wing does move Plain flaps split flaps have very simi lar effects lift drag given airfoil plain flaps tend have slightly drag split flaps no real advantage using either type thin trailing edge flap sections split flaps can cause some warping problems dope used finishing nonshrinking finish can used eliminate problem have heard some disturbing reports some builders enlarging split flaps well yond proper scale outlines claiming legality because flaps visible top view wing Besides being obvious violation intent rule see being hidden exempts flaps requirement scale topview outlines stated rule bonus points Ignoring flap outlines hid den top view equivalent saying Guardian doesnt need right auxiliary vertical stabilizer because visible left side view submitted scale verification Whatever personal interpretation legality enlarged split flaps let discourage attempting such installation another reasonthey dont work Split flaps larger about 20% wing chord increase maximum lift coefficient thin sec tions used Carrier models fact 10% thick wing large flap actually less effective small About added enlarging split flaps beyond proper scale dimensions weight Once rush Nats preparations has passed plan run product evaluations Fox Profile Carrier Special engine G-S Products Bearcat Kit Pro file Carrier have number en quiries both products Richard L Perry 5016 ngelita Ave Dayton OH 45424 CL World Champs/Johnson continued page 19 second round Everything looked OK qualifying shot motor ADcookedS bit during some heavy traffic motor became balky pit required extra dose flipping third American team Jolly/Kusik couldnt improve first-round time fact having trouble flight past year split fuel line caused engine sputter cause run-in final very exciting though Danish team broke model first pit Russian pilot used two fouls whip over Swedish team proved enough margin pull out win race close trailing another past segment lap counting lights flashed same instant Later banquet found out Larsson-Rylins engine oversize tiny amount Rossi 15s come oversize factory happened un fortunately disqualified cause fast heat time third place award given Russian team Onufrienko-Shapovalov 402 heat time Austrians awarded prize top team Team Race basis fast heat times 94 Model Aviation