jWi Bradfnr MA s 1 tW cc U issue n ai wnhI nd acco reaIisti4 visual 5~4 woul sp th nyu tli c mc prot us 0 way betwe Lttainable THE chose Waco F-3 biplane flagship because represents Golden Era 1930s flying adventure Add easy snag-free building safe gentle flyingthe result thorough kit engineering careful prototype development features Plaft Kits have satisfying building flying experience ahead Kit features Top-quality diecut machined balsa plywood Full size plans Separate instruction book isometrics Decals Injection-moulded vacuum-formed plastic cowl cowl blisters wheel pants required nylon fittings Formed wire langing gear & struts Span 60 Area 950 3q74 6 channel Engine good 40 60 2657 NE 188th Sireet M am Florida 33180 Te ephone 935-1436 both example normally roll airplane right try using touch right rudder performing half roll inverted upright flight Re move controls smoothly air plane upright Good Luck Recently received letter George Feiger states am regular reader column Model Aviation have query hope will able answer have built pusher design 15 engine find Fox does fact make crankshaft clockwise ro tation advertised parts list Fox 15 Schneurle Thus have locate 8 X 3 8 X 4 pusher prop have Tornado 8 X 6s Duke Fox advised against using Editor Probably reasons size know other source pusher props size range would shame abandon completed model can help please write George Feiger 876 LaPara Ave Palo Alto CA 94306 easy empathize problem 1966 1 built six-foot-span canard tail-first RC model featuring all-movable stabilizer pusher engine configuration Supertigre 56 wanted use couldnt modified reverse ro tation engine fitted pusher propeller Unfortunately larg est pusher prop available time 10-6 nylon have ever tried put 10-6 prop large engine know little thrust available fly airplane Ron Van Putte 12 Connie Drive Shahmar FL 32579 RC Scale Wischers continued page 23 creatton rule book determines large extent choice plane methods provided contest oriented individual spends sub stantial portion life effort produce winning plane international competition potential important concern convince scratch builders should make attempt compete very small percentage scale models whether scratch kit-built ever appear contest scene opinion result scale modelers unwillingness con trolled rules independent atti tudes As example new Quarter Scale Association strongly against form competition judging ef forts wish detract enjoyment making rules Since scale speeds largely unattain able rule award points slow flight would opinion unfair un wise considering effect may have quantity contest entries remain competitive would need planes weight would added removed center gravity compensate wind velocity exceeding maximum allowable total weight attended Mint Julep Scale Meet recently entry lightly loaded Pober Pixie missed high static score couple points its final placing fifth winners both Expert Sport classes large fast twin-engined planes Bob Underwoods product review product review product review new DeHavilland 88 Expert Corky Heitmans Douglas A-26 Sport class Corkys Douglas powered pair Kraft 61s weighs 20 pounds has speed match its power lightly loaded plane equal footing heavier fast-flying ships will hard con vtnce Substitute Materials recent planes have made extensive use birch plywood spruce strips replace balsa numerous advantages especially strength places /8 balsa would used such planking simple compound curved fuselage deck side 1/32 plywood can formed piece leaves no glue seams sand assembly time substantially decreased heavy paper pattern cut first avoid waste certain proper fit plywood cut pattern shape moistened its outer surface promote flexibility white glued fuselage framework Rubberbands hold securely scrap wood blocks under bands along ply edges add pressure points tends resist forming have found easiest way moisten plywood under stream warm water Wipe off excess drops inside surface glue comes contact since wish dilute glue moist surface actually seems promote penetration glue advantage 1/32 plywood covering struc ture beneath can kept minimum Bulkheads formers 4-in intervals single stringer near center suf ficient providing enough strength avoid collapsing framework under rubberband load Sanding through first ply along edges afterward seems have no effect strength slight undula tions gaps panels join can easily disguised Epoxolite Weight plywood compared balsa variable depending balsa density Under average conditions find plywood should about kness would used part balsa thickness ply weighs 88 Model Aviation product review product review product review Uni-Mask General purpose around-the-shop filter face mask protects against hazardous airborne dustssuch balsa fiberglass glue paint One-piece masks cool comfort able wear Six $1 49 package Karoden Hobby Products P 0 Box 434 Bergenfield NY 07621 less hard balsa soft contest balsa case plywood superior strength needs minimum framework underneath pre ferably spruce addition resistant indentations plague balsacovered plane seem appear no matter carefully handled balsa plane requires some sort finish harden its surface Without protection forever vulnerable nicks dents ply covering needs few coats clear dope sanded lightly prepare color finish dense surface fills quickly showing no grain internal structures 1/16 plywood bulkhead equivalent weight a far superior durability bulkheads meet adjacent fuse lage sides gusset strips should used greater glueing area extreme rigidity make laminations plywood using white glue C clamps pressure Four laminations 3- 5-ply 1/16 thick produces rigid ood firewall-mounted engine landing gear 20-ply kness has greater strength 5-ply commercial grades Parts such canopy frames jigsawed multi-laminations strong thin sections Laminating removes warps plywood Super Documentation Mint Julep Scale Meet held ideal spot contest Falls Rough State Park Kentucky Contestants housed modern lodge cottages shores lake short distance airstrip used contest perfect setup anyone owning plane Hank PohI mann flew home Monte zuma Iowa modified baggage compartment Cessna 172 carry two models Beechcraft Bonanza entry model Cessna During lull static judging offi cials offered score Cessna just practice Imagine Hanks surprise found Cessna received higher score Bonanza entry perfect documentation prototype parked right judges could compare directly entered wrong plane Weather conditions cross country flying quite unpredictable April Hanks trip proved adventure de parting Montezuma darkness 4 am just ahead weather front Low ceilings Sunday raised some doubts about return flight Pixie entered clouds during spin entry morning Hank departed noon conditions improved considerably Mint Julep Scale Meet conducted very businesslike manner under ideal conditions park would hesitate attend future Bob Dolly Wischer Ri S-221 Lapham Peak Road Delafield WI 53018 GRISH AIRCRAFT TYPE PROPELLERS Made hardwood fully carved true helical pitch airfoil ready sanding ALL SIZES IN18$700 6 8 & 10 PITCH20800 RIGHT HAND221000 ROTATION241300 3/8 BORE AT YOUR DEALER ALL GRISH PROPELLERS ARE ENGINEERED TO TRUE HELICAL 5/z-4 6-4 7-8 8-8 9-7 10-6 11-8 12-6 2 Blade Pusher 6-36-4 354 8-6854 9-610-6 $1 3 Blade Tractor 5-36-36-4 504 USE TO PROPEL AIR CREATE THRUST AND PROPELLED BY AIR AT DISCRETION OF 3 Blade PusherBLADE 6-3Metallic Aluminum Color Made polyester boll color7-67-8 $1 8-68-8$125 9-610-610-4$150 Pusher 10-6$150 RC Soaring/Pruss continued page 24 finish Saturdays end Rick Walters Gerry Arana Mike Mitchell tied four points some five pointers enough six pointers have least ten 12 contention cup Sunday Three rounds seven-heat racing scheduled day two time allowed also possible fly-offs drama past ten years squeezed last two rounds Walters Arana Mitchell still tied last heat set ready area managed Jon Lowe came Rick Walters brother Jeff call Ricks turns Mike Mitchell current NSS champion LSF level V holder Fred Weaver sisting Dick Tacklind called Jerry Arana race Walters scurried quick lead apparent mistake would him Arana Mit chell own race both stayed ahead Spicer Thirty-one others made contest just Britain took Schneider Cup 1931 third time end era Rick Walters ended another era taking RCM Trophy third final time top five 1 Rick Walters 2 Mike Mitchell 3 Gerry Arana 4 Ken Willard 5 Bill Watson Fastest time Gerry Arana 191 sec onds/lap 443 mph 621-ft course Design Award Gerry Arana foregoing seemed bit competi tive high key average wait thermal come flier read As mentioned May issue Model viation Cecil Haga run different kind event did What unique about contest can ap plied club low key easy manage affair Whether inter intra club managing minimal Cecil Legionair Haga determined four-man team make minimum 56 flights during day maximum 112 Cecil arrived figures averaging out Texas conditions light-pole-bending winds hot suck ing thermals idea fly much possible during two day event Rules simple Launch approved legal method two winches provided Time started off tow ended touchdown no points landing rotation determined within four-man team soon flier landed next scheduled would launch pass idea course group keep flier air much possible still get re quired 56-112 flights What made manag ing easy once gun went off start contest group run manage own individual contest September1978 89 PROPELLERS PITCH AND AIRFOIL FOR EFFICIENCY 2 Blade Tractor 5-3each 5%-3 5-45y2-3 6-3 7-47-6 8-48-6 9-49-6 9-810-4 11-411-6 12-412-5 AT YOUR DEALER ELI ROS ST JOHN INDIANA 46373 304 354 504 654 854 $1 $150 PURCHASER
Edition: Model Aviation - 1978/09
Page Numbers: 23, 88, 89
jWi Bradfnr MA s 1 tW cc U issue n ai wnhI nd acco reaIisti4 visual 5~4 woul sp th nyu tli c mc prot us 0 way betwe Lttainable THE chose Waco F-3 biplane flagship because represents Golden Era 1930s flying adventure Add easy snag-free building safe gentle flyingthe result thorough kit engineering careful prototype development features Plaft Kits have satisfying building flying experience ahead Kit features Top-quality diecut machined balsa plywood Full size plans Separate instruction book isometrics Decals Injection-moulded vacuum-formed plastic cowl cowl blisters wheel pants required nylon fittings Formed wire langing gear & struts Span 60 Area 950 3q74 6 channel Engine good 40 60 2657 NE 188th Sireet M am Florida 33180 Te ephone 935-1436 both example normally roll airplane right try using touch right rudder performing half roll inverted upright flight Re move controls smoothly air plane upright Good Luck Recently received letter George Feiger states am regular reader column Model Aviation have query hope will able answer have built pusher design 15 engine find Fox does fact make crankshaft clockwise ro tation advertised parts list Fox 15 Schneurle Thus have locate 8 X 3 8 X 4 pusher prop have Tornado 8 X 6s Duke Fox advised against using Editor Probably reasons size know other source pusher props size range would shame abandon completed model can help please write George Feiger 876 LaPara Ave Palo Alto CA 94306 easy empathize problem 1966 1 built six-foot-span canard tail-first RC model featuring all-movable stabilizer pusher engine configuration Supertigre 56 wanted use couldnt modified reverse ro tation engine fitted pusher propeller Unfortunately larg est pusher prop available time 10-6 nylon have ever tried put 10-6 prop large engine know little thrust available fly airplane Ron Van Putte 12 Connie Drive Shahmar FL 32579 RC Scale Wischers continued page 23 creatton rule book determines large extent choice plane methods provided contest oriented individual spends sub stantial portion life effort produce winning plane international competition potential important concern convince scratch builders should make attempt compete very small percentage scale models whether scratch kit-built ever appear contest scene opinion result scale modelers unwillingness con trolled rules independent atti tudes As example new Quarter Scale Association strongly against form competition judging ef forts wish detract enjoyment making rules Since scale speeds largely unattain able rule award points slow flight would opinion unfair un wise considering effect may have quantity contest entries remain competitive would need planes weight would added removed center gravity compensate wind velocity exceeding maximum allowable total weight attended Mint Julep Scale Meet recently entry lightly loaded Pober Pixie missed high static score couple points its final placing fifth winners both Expert Sport classes large fast twin-engined planes Bob Underwoods product review product review product review new DeHavilland 88 Expert Corky Heitmans Douglas A-26 Sport class Corkys Douglas powered pair Kraft 61s weighs 20 pounds has speed match its power lightly loaded plane equal footing heavier fast-flying ships will hard con vtnce Substitute Materials recent planes have made extensive use birch plywood spruce strips replace balsa numerous advantages especially strength places /8 balsa would used such planking simple compound curved fuselage deck side 1/32 plywood can formed piece leaves no glue seams sand assembly time substantially decreased heavy paper pattern cut first avoid waste certain proper fit plywood cut pattern shape moistened its outer surface promote flexibility white glued fuselage framework Rubberbands hold securely scrap wood blocks under bands along ply edges add pressure points tends resist forming have found easiest way moisten plywood under stream warm water Wipe off excess drops inside surface glue comes contact since wish dilute glue moist surface actually seems promote penetration glue advantage 1/32 plywood covering struc ture beneath can kept minimum Bulkheads formers 4-in intervals single stringer near center suf ficient providing enough strength avoid collapsing framework under rubberband load Sanding through first ply along edges afterward seems have no effect strength slight undula tions gaps panels join can easily disguised Epoxolite Weight plywood compared balsa variable depending balsa density Under average conditions find plywood should about kness would used part balsa thickness ply weighs 88 Model Aviation product review product review product review Uni-Mask General purpose around-the-shop filter face mask protects against hazardous airborne dustssuch balsa fiberglass glue paint One-piece masks cool comfort able wear Six $1 49 package Karoden Hobby Products P 0 Box 434 Bergenfield NY 07621 less hard balsa soft contest balsa case plywood superior strength needs minimum framework underneath pre ferably spruce addition resistant indentations plague balsacovered plane seem appear no matter carefully handled balsa plane requires some sort finish harden its surface Without protection forever vulnerable nicks dents ply covering needs few coats clear dope sanded lightly prepare color finish dense surface fills quickly showing no grain internal structures 1/16 plywood bulkhead equivalent weight a far superior durability bulkheads meet adjacent fuse lage sides gusset strips should used greater glueing area extreme rigidity make laminations plywood using white glue C clamps pressure Four laminations 3- 5-ply 1/16 thick produces rigid ood firewall-mounted engine landing gear 20-ply kness has greater strength 5-ply commercial grades Parts such canopy frames jigsawed multi-laminations strong thin sections Laminating removes warps plywood Super Documentation Mint Julep Scale Meet held ideal spot contest Falls Rough State Park Kentucky Contestants housed modern lodge cottages shores lake short distance airstrip used contest perfect setup anyone owning plane Hank PohI mann flew home Monte zuma Iowa modified baggage compartment Cessna 172 carry two models Beechcraft Bonanza entry model Cessna During lull static judging offi cials offered score Cessna just practice Imagine Hanks surprise found Cessna received higher score Bonanza entry perfect documentation prototype parked right judges could compare directly entered wrong plane Weather conditions cross country flying quite unpredictable April Hanks trip proved adventure de parting Montezuma darkness 4 am just ahead weather front Low ceilings Sunday raised some doubts about return flight Pixie entered clouds during spin entry morning Hank departed noon conditions improved considerably Mint Julep Scale Meet conducted very businesslike manner under ideal conditions park would hesitate attend future Bob Dolly Wischer Ri S-221 Lapham Peak Road Delafield WI 53018 GRISH AIRCRAFT TYPE PROPELLERS Made hardwood fully carved true helical pitch airfoil ready sanding ALL SIZES IN18$700 6 8 & 10 PITCH20800 RIGHT HAND221000 ROTATION241300 3/8 BORE AT YOUR DEALER ALL GRISH PROPELLERS ARE ENGINEERED TO TRUE HELICAL 5/z-4 6-4 7-8 8-8 9-7 10-6 11-8 12-6 2 Blade Pusher 6-36-4 354 8-6854 9-610-6 $1 3 Blade Tractor 5-36-36-4 504 USE TO PROPEL AIR CREATE THRUST AND PROPELLED BY AIR AT DISCRETION OF 3 Blade PusherBLADE 6-3Metallic Aluminum Color Made polyester boll color7-67-8 $1 8-68-8$125 9-610-610-4$150 Pusher 10-6$150 RC Soaring/Pruss continued page 24 finish Saturdays end Rick Walters Gerry Arana Mike Mitchell tied four points some five pointers enough six pointers have least ten 12 contention cup Sunday Three rounds seven-heat racing scheduled day two time allowed also possible fly-offs drama past ten years squeezed last two rounds Walters Arana Mitchell still tied last heat set ready area managed Jon Lowe came Rick Walters brother Jeff call Ricks turns Mike Mitchell current NSS champion LSF level V holder Fred Weaver sisting Dick Tacklind called Jerry Arana race Walters scurried quick lead apparent mistake would him Arana Mit chell own race both stayed ahead Spicer Thirty-one others made contest just Britain took Schneider Cup 1931 third time end era Rick Walters ended another era taking RCM Trophy third final time top five 1 Rick Walters 2 Mike Mitchell 3 Gerry Arana 4 Ken Willard 5 Bill Watson Fastest time Gerry Arana 191 sec onds/lap 443 mph 621-ft course Design Award Gerry Arana foregoing seemed bit competi tive high key average wait thermal come flier read As mentioned May issue Model viation Cecil Haga run different kind event did What unique about contest can ap plied club low key easy manage affair Whether inter intra club managing minimal Cecil Legionair Haga determined four-man team make minimum 56 flights during day maximum 112 Cecil arrived figures averaging out Texas conditions light-pole-bending winds hot suck ing thermals idea fly much possible during two day event Rules simple Launch approved legal method two winches provided Time started off tow ended touchdown no points landing rotation determined within four-man team soon flier landed next scheduled would launch pass idea course group keep flier air much possible still get re quired 56-112 flights What made manag ing easy once gun went off start contest group run manage own individual contest September1978 89 PROPELLERS PITCH AND AIRFOIL FOR EFFICIENCY 2 Blade Tractor 5-3each 5%-3 5-45y2-3 6-3 7-47-6 8-48-6 9-49-6 9-810-4 11-411-6 12-412-5 AT YOUR DEALER ELI ROS ST JOHN INDIANA 46373 304 354 504 654 854 $1 $150 PURCHASER
Edition: Model Aviation - 1978/09
Page Numbers: 23, 88, 89
jWi Bradfnr MA s 1 tW cc U issue n ai wnhI nd acco reaIisti4 visual 5~4 woul sp th nyu tli c mc prot us 0 way betwe Lttainable THE chose Waco F-3 biplane flagship because represents Golden Era 1930s flying adventure Add easy snag-free building safe gentle flyingthe result thorough kit engineering careful prototype development features Plaft Kits have satisfying building flying experience ahead Kit features Top-quality diecut machined balsa plywood Full size plans Separate instruction book isometrics Decals Injection-moulded vacuum-formed plastic cowl cowl blisters wheel pants required nylon fittings Formed wire langing gear & struts Span 60 Area 950 3q74 6 channel Engine good 40 60 2657 NE 188th Sireet M am Florida 33180 Te ephone 935-1436 both example normally roll airplane right try using touch right rudder performing half roll inverted upright flight Re move controls smoothly air plane upright Good Luck Recently received letter George Feiger states am regular reader column Model Aviation have query hope will able answer have built pusher design 15 engine find Fox does fact make crankshaft clockwise ro tation advertised parts list Fox 15 Schneurle Thus have locate 8 X 3 8 X 4 pusher prop have Tornado 8 X 6s Duke Fox advised against using Editor Probably reasons size know other source pusher props size range would shame abandon completed model can help please write George Feiger 876 LaPara Ave Palo Alto CA 94306 easy empathize problem 1966 1 built six-foot-span canard tail-first RC model featuring all-movable stabilizer pusher engine configuration Supertigre 56 wanted use couldnt modified reverse ro tation engine fitted pusher propeller Unfortunately larg est pusher prop available time 10-6 nylon have ever tried put 10-6 prop large engine know little thrust available fly airplane Ron Van Putte 12 Connie Drive Shahmar FL 32579 RC Scale Wischers continued page 23 creatton rule book determines large extent choice plane methods provided contest oriented individual spends sub stantial portion life effort produce winning plane international competition potential important concern convince scratch builders should make attempt compete very small percentage scale models whether scratch kit-built ever appear contest scene opinion result scale modelers unwillingness con trolled rules independent atti tudes As example new Quarter Scale Association strongly against form competition judging ef forts wish detract enjoyment making rules Since scale speeds largely unattain able rule award points slow flight would opinion unfair un wise considering effect may have quantity contest entries remain competitive would need planes weight would added removed center gravity compensate wind velocity exceeding maximum allowable total weight attended Mint Julep Scale Meet recently entry lightly loaded Pober Pixie missed high static score couple points its final placing fifth winners both Expert Sport classes large fast twin-engined planes Bob Underwoods product review product review product review new DeHavilland 88 Expert Corky Heitmans Douglas A-26 Sport class Corkys Douglas powered pair Kraft 61s weighs 20 pounds has speed match its power lightly loaded plane equal footing heavier fast-flying ships will hard con vtnce Substitute Materials recent planes have made extensive use birch plywood spruce strips replace balsa numerous advantages especially strength places /8 balsa would used such planking simple compound curved fuselage deck side 1/32 plywood can formed piece leaves no glue seams sand assembly time substantially decreased heavy paper pattern cut first avoid waste certain proper fit plywood cut pattern shape moistened its outer surface promote flexibility white glued fuselage framework Rubberbands hold securely scrap wood blocks under bands along ply edges add pressure points tends resist forming have found easiest way moisten plywood under stream warm water Wipe off excess drops inside surface glue comes contact since wish dilute glue moist surface actually seems promote penetration glue advantage 1/32 plywood covering struc ture beneath can kept minimum Bulkheads formers 4-in intervals single stringer near center suf ficient providing enough strength avoid collapsing framework under rubberband load Sanding through first ply along edges afterward seems have no effect strength slight undula tions gaps panels join can easily disguised Epoxolite Weight plywood compared balsa variable depending balsa density Under average conditions find plywood should about kness would used part balsa thickness ply weighs 88 Model Aviation product review product review product review Uni-Mask General purpose around-the-shop filter face mask protects against hazardous airborne dustssuch balsa fiberglass glue paint One-piece masks cool comfort able wear Six $1 49 package Karoden Hobby Products P 0 Box 434 Bergenfield NY 07621 less hard balsa soft contest balsa case plywood superior strength needs minimum framework underneath pre ferably spruce addition resistant indentations plague balsacovered plane seem appear no matter carefully handled balsa plane requires some sort finish harden its surface Without protection forever vulnerable nicks dents ply covering needs few coats clear dope sanded lightly prepare color finish dense surface fills quickly showing no grain internal structures 1/16 plywood bulkhead equivalent weight a far superior durability bulkheads meet adjacent fuse lage sides gusset strips should used greater glueing area extreme rigidity make laminations plywood using white glue C clamps pressure Four laminations 3- 5-ply 1/16 thick produces rigid ood firewall-mounted engine landing gear 20-ply kness has greater strength 5-ply commercial grades Parts such canopy frames jigsawed multi-laminations strong thin sections Laminating removes warps plywood Super Documentation Mint Julep Scale Meet held ideal spot contest Falls Rough State Park Kentucky Contestants housed modern lodge cottages shores lake short distance airstrip used contest perfect setup anyone owning plane Hank PohI mann flew home Monte zuma Iowa modified baggage compartment Cessna 172 carry two models Beechcraft Bonanza entry model Cessna During lull static judging offi cials offered score Cessna just practice Imagine Hanks surprise found Cessna received higher score Bonanza entry perfect documentation prototype parked right judges could compare directly entered wrong plane Weather conditions cross country flying quite unpredictable April Hanks trip proved adventure de parting Montezuma darkness 4 am just ahead weather front Low ceilings Sunday raised some doubts about return flight Pixie entered clouds during spin entry morning Hank departed noon conditions improved considerably Mint Julep Scale Meet conducted very businesslike manner under ideal conditions park would hesitate attend future Bob Dolly Wischer Ri S-221 Lapham Peak Road Delafield WI 53018 GRISH AIRCRAFT TYPE PROPELLERS Made hardwood fully carved true helical pitch airfoil ready sanding ALL SIZES IN18$700 6 8 & 10 PITCH20800 RIGHT HAND221000 ROTATION241300 3/8 BORE AT YOUR DEALER ALL GRISH PROPELLERS ARE ENGINEERED TO TRUE HELICAL 5/z-4 6-4 7-8 8-8 9-7 10-6 11-8 12-6 2 Blade Pusher 6-36-4 354 8-6854 9-610-6 $1 3 Blade Tractor 5-36-36-4 504 USE TO PROPEL AIR CREATE THRUST AND PROPELLED BY AIR AT DISCRETION OF 3 Blade PusherBLADE 6-3Metallic Aluminum Color Made polyester boll color7-67-8 $1 8-68-8$125 9-610-610-4$150 Pusher 10-6$150 RC Soaring/Pruss continued page 24 finish Saturdays end Rick Walters Gerry Arana Mike Mitchell tied four points some five pointers enough six pointers have least ten 12 contention cup Sunday Three rounds seven-heat racing scheduled day two time allowed also possible fly-offs drama past ten years squeezed last two rounds Walters Arana Mitchell still tied last heat set ready area managed Jon Lowe came Rick Walters brother Jeff call Ricks turns Mike Mitchell current NSS champion LSF level V holder Fred Weaver sisting Dick Tacklind called Jerry Arana race Walters scurried quick lead apparent mistake would him Arana Mit chell own race both stayed ahead Spicer Thirty-one others made contest just Britain took Schneider Cup 1931 third time end era Rick Walters ended another era taking RCM Trophy third final time top five 1 Rick Walters 2 Mike Mitchell 3 Gerry Arana 4 Ken Willard 5 Bill Watson Fastest time Gerry Arana 191 sec onds/lap 443 mph 621-ft course Design Award Gerry Arana foregoing seemed bit competi tive high key average wait thermal come flier read As mentioned May issue Model viation Cecil Haga run different kind event did What unique about contest can ap plied club low key easy manage affair Whether inter intra club managing minimal Cecil Legionair Haga determined four-man team make minimum 56 flights during day maximum 112 Cecil arrived figures averaging out Texas conditions light-pole-bending winds hot suck ing thermals idea fly much possible during two day event Rules simple Launch approved legal method two winches provided Time started off tow ended touchdown no points landing rotation determined within four-man team soon flier landed next scheduled would launch pass idea course group keep flier air much possible still get re quired 56-112 flights What made manag ing easy once gun went off start contest group run manage own individual contest September1978 89 PROPELLERS PITCH AND AIRFOIL FOR EFFICIENCY 2 Blade Tractor 5-3each 5%-3 5-45y2-3 6-3 7-47-6 8-48-6 9-49-6 9-810-4 11-411-6 12-412-5 AT YOUR DEALER ELI ROS ST JOHN INDIANA 46373 304 354 504 654 854 $1 $150 PURCHASER