Radio Control Soaring Dan Pruss SNOFLY VIII eighth winter hearty lot Detroit staged annual February Lets Get Together Torment Bodies Sailplanes Fly-In Fifty-six contes tants answered contest director Art Sla gles call fliers Cincinnati Chi cago Indiana other parts Ohio Canada tried outlast Michigan bunch final results seven trophy winners out eight Michigan case life past few months has somewhat cloistered youre aware years winter mid westerners will talking about grandchildren Besides record snowfalls theyll tell morning Snofly VIII thermometer registered five below zero old Fahrenheit scale ever Detroit day temperature did get teens sky abso lutely clear what saved day fact no wind except slight breeze thermal would come through Sure thermals winter winter temperatures After day saw rise temperature about 20 degrees about four hours fact seven-minute maxes logged day two days LSF regional tournament Ann Arbor last Augustand whole same fli ers flying same sailplanes Greater Detroit Soaring Hiking Society hosted now annual affair did outstanding job Because least foot snow ground GDS & HS plowed out parking area provided two snowmobiles line re trieval Stop snickering orange/grow28 Model Aviation impressive winch Bill Mueller unique speed variable Description text ers system worked three rounds flown contest run little over five hours set time frame round established open winch concept used worked well Snoflies have become tradition Continued page 87 MIKO uampoeII nd Jr/Sr hawk-like Windlord plans March 78 MAI photos Snowfly Ill taken Dan Pruss 1SF president Gordon Pearson meets 1SF coordinator Canada Dave Henshaw Hiners SB-la foreground surprised few people thermals exist wintertime Vee tail pitted Grand Esprit gives away scene tnai couia DO mistaken shot out Dr Zhivago Actually taken during re cent Snofly Ill wonderful success spite season Jack Hiner sans gloves launches SB-iD built Carrera kit described April MA column version has 3200-mm wing span large number contestants always attend Beginner Novice Advanced Expert pattern will 1976/ 1977 rules Master pattern will include set ten maneuvers including takeoff landing total 260 possible points contestant will able choose maneuvers Schedule B Extra Maneuvers Only Figure M will used reasoning setting point limit 260 follows both Schedule B maneuvers have K-factor av erage 27 Takeoff Landing subtracted An abbreviated pattern ten maneuvers would total 240 including Takeoff Landing maneuvers 27 K-factor average selected Boost ing maximum possible points 260 encourages selection difficult Extra Maneuvers top level pattern com petitors like new Master pattern maneuvers Some maneuvers disliked simply because very dif ficult will require lot work mas ter dont agree argument few years ago Double lmmelmann very difficult maneuver compet itors rates K-factor two new list Everyone can good Double lmmelmann days except few us new maneuvers very challenging can performed top level competitors flying conventional pattern airplanes willing invest effort However some new maneuvers Master class popular because place premium very light highpowered airplanes encourage another horsepower race compet itive airplanes will feature very costly Schnuerle-ported rear-exhaust engines tuned pipes agree argu ment against maneuvers Despite above arguments still possible Master competitor select high K-factor maneuvers likes still competitive using con ventional pattern airplane havent begun assess new Master pattern means will very interesting see looks us end 1978 competition year Ron Van Puue 12 Connie Drive Shalimar FL 32579 RC Soaring/Pruss continued page 28 soaring free entry fee enthusi asts California has now extended Florida fliers See next year Results Unlimited 1st Jeff MrlikAstro Jeff 2nd Pat FlynnAstro Maggie 3rd Ken BatesOriginal Standard 1st Warren TiahrtSD 100 2nd Dave LeachAquila 3rd Walt HillAquila Jr-Sr 1st Chris CorvenOriginal 2nd Mike CampbellWindlord Side notes. ndard Class outnum bered Unlimited two reversal couple years ago. reliability radios Snofly temperatures concern few years ago year failure occured attributed inter ference tip hat manufactu rers providing us equipment dependable New Product Bill Mueller Hemet California comes announce ment new winch now available called Hi Flight 12 Quoting Bills claims Hi Flight 12 powered conventional 12-volt automotive battery unique fact single foot control allows flier choose slow medium high winch speed speed may varied continuously through launch dictated glider size wind conditions Low speed typically used line tensioning launching light air craft under windy conditions Medium speed will launch Standard Class sailplanes no wind conditions Unlimited ships breezy conditions High speed will launch heaviest Unlimited Class sail plane ease An isolation switch proJune1978 87 WORLD S LARGEST MASTER MODELS ASS T GIANTS OF flOUT 5-10 FT SPANS Catalog Subscription SI Br $110 ley Check Same Thee n Plan Too went end need yocr neppoct O en) whot new nwvbovs oth sinc weve becene o ocliente 4eeiuu service orgoujeettee deolon ceppovt ~ecO5 98 Lcd Hcdoe Rueck $49 4DuuIittlucGee B.545-77 Flying Feet 8- 70 $30 58 Sepeeeo6eeSdo$20103 FyngFoctR- 7G $49 62 Hwveet Ike Roe82345 66 teococd R-26 $39 78 Plc We8deII-Weo$3949 mock Widcw P81 $26 66 0 H Conet EecSitpo Clock Wduc P81 $69 62 26 Molligon$66 Jenknrv JUtO Olt 74 Poecc Openiel$395$ H-P 0400 Ho 4 P0830 81 Mesqcitn Oqn 633$34100 H P 0400 PG 042 55 Hooth Roby Rclet522-81 Fekket 0-8 Pu 930 58 ltocckr M-5 leo Pu$1478 Sopoc tie Pop Pu $25 70 Boyle 000-Ie83945 B-W 8td-Opv $29 62 Cuttiw Hawk P6-E$39107 Mortlt MR-I Conk 66 Curt Slvthe A-S$3266 Ceeclrut 0-Ill Ole $10. 60 Dougloc 0-39 Ole$1561 AEG 09 $otekv $18 71 MevOt C-tO Rosek53058 Soleowe 3A2 $15 62 Skyvoukof XP5P$1682 0nnov-Och DIV $30 57 CetOLceSO3C-t$151160o6eo 89 Rveeker 049 IlOOPtANS LABLE vided eliminate high speed flier desires Bill further claims Hi Flight 12 consists rugged-welded steel frame completely rebuilt 12-volt motor finely machined steel drum two inch core electrics necessary its operation Included Hi Flight 12 ballbearing turn-around price en tire Hi Flight 12 launch system $17900 FOB Hemet California winch also available kit form $8900 get welded frame drilled Complete instructions showing assembly wiring included Re built long-shaft starters also available $2250 winch drums $2495 Write Hi Flight Model Products 43225 Whittier Ave Hemet CA 92434Phone 714 927-4666 Milwaukee Minneapolis Winston-Salem Three areas soaring growing reported first Ron Kopp Mil waukee Suds City Sailplane Team amicable split power club doing own youre area contact Ron Kopp 8010 WWaterford Ave Milwaukee WI 53220 Minneapolis comes news Minnesota Soaring Team well underway Unfortunately no address provided H Evanston says club has three winches sod farm about ten miles south Minneapolis Activities designed around family cant find sod farm look up Evan stons claim hour 30-minute flights Sailaire should draw attention Charles Spear secretary Triad Thermal Thumbers comes announcement forming club Winston Salem Greensboro High Point area North Carolina charter less year theyve already scheduled FAI quarter-finals hoping warrant LSF regional Contact Charles Spear 800 Holly Lane Mocksville NC 27028 Great Race III announced Ken Ward president SOAR heralded event first started 1976 has become annual classic will run conjuction Stand-off Scale contest race open AMA chartered club scheduled August 12 Stand-off Scale contest will beheld August 13 open AMA member details contact Bill Christian CD 1604 N Chestnut Arlington Hts IL 60004 League Silent flight Gordon Pearson LSF President comes news should interest sailplane flier world LSF National Tournament should say International Tourna ment will again held year traditional last weekend Augustthe 26th 27th Already least ten sites have chosen regionals plans underway additional tournaments foreign chapters exist will two-year program whereby percentage top scorers regions will eligible compete interna tional fly-off determine LSF Champion fly-off would scheduled 1979 Discussions underway extra-spe cial eventsthis 1979 contest whereby LSF member could fly potential event could greatest get-together soaring event-ever Details finalized will announced sent LSF members Dan Pruss Rt 2 Box 490 Plainfield IL 60544 RC Old Timer/Mathews continued page 27 thirties ROW free flight event Lake Hopatcong NJ published Air Trials flying old-timer models off water certainly has appeal us have access ponds lakes sure have lakes Kansas delightful way com bine picnic family outing favorite recreation Say again SAM still appears New Goldberg Retracts feature Coil main gear instead three Field re ports experts using Goldberg gear found Coil adequate increased firmness gear especially down-wind turns ground giving better takeoff landing control Carl Goldberg Models Inc 4735W Chicago Ave Chicago IL 60651 product review product review product review some confusion over legality glow engines RC Old-Timer events Glow engines completely legal SAM Radio-Assist events According latest ballot SAM member ship use glow engines free flight oldtimers prohibited changes sub mitted section III rejected membership quickly review vote noneSAM reader changes rules governing free flight events removal responsibility authentication design builder allowing two models per event Radio Control As sist changes 8 oz per sq ft whether ignition glow powered glow con verted-to-ignition engines require 225 sq wing area 10 cu dis placement outlawing pressure fuel systems rear-rotor engines tuned pipes Flight Rule changes Radio Assist Maximum time flights will five minutes overtime deducted En gine runs changed 20 seconds glow 40 seconds ignition Six attempts three officials attempt being flight under 40 seconds Timer will stop calling time 10 seconds prior max other rules remain printed Society Antique Modelers official rule book 1978 AMA 78-79 rule book rules now finalized can learn live regardless personal preferences would appear few RC Assist models devel oped over last few seasons built winter will require major modifi cations remain SAM legal Several performance gaps between sparkers glows have closed Hopefully new contest season will see ever increasing numbers entrants enjoying delightful aspect hobby-sport Ohlssons California Champion Pace maker Ohlsson name familiar anyone ever remote terest powered model aircraft Irwin partner Harry Rice produced tens thousands engines 1937 1955 era What may well known Irwin started business model kit California Record Holder first advertised MAN July 1936 featured Brown Jr drawings Ohlsson decided enter engine manufacturing business developing prototype engine felt need testing flight conditions Pace maker test bed new Min iature engine Feb 1937 issue MAN contains photo combina tion clearly illustrating radical departure then-standard beam engine mounts Pacemaker first model ever utilize radial motor mount Pacemaker kit immensely suc cessful California unique motor 88 Model Aviation product review product review product review
Edition: Model Aviation - 1978/06
Page Numbers: 28, 87, 88
Radio Control Soaring Dan Pruss SNOFLY VIII eighth winter hearty lot Detroit staged annual February Lets Get Together Torment Bodies Sailplanes Fly-In Fifty-six contes tants answered contest director Art Sla gles call fliers Cincinnati Chi cago Indiana other parts Ohio Canada tried outlast Michigan bunch final results seven trophy winners out eight Michigan case life past few months has somewhat cloistered youre aware years winter mid westerners will talking about grandchildren Besides record snowfalls theyll tell morning Snofly VIII thermometer registered five below zero old Fahrenheit scale ever Detroit day temperature did get teens sky abso lutely clear what saved day fact no wind except slight breeze thermal would come through Sure thermals winter winter temperatures After day saw rise temperature about 20 degrees about four hours fact seven-minute maxes logged day two days LSF regional tournament Ann Arbor last Augustand whole same fli ers flying same sailplanes Greater Detroit Soaring Hiking Society hosted now annual affair did outstanding job Because least foot snow ground GDS & HS plowed out parking area provided two snowmobiles line re trieval Stop snickering orange/grow28 Model Aviation impressive winch Bill Mueller unique speed variable Description text ers system worked three rounds flown contest run little over five hours set time frame round established open winch concept used worked well Snoflies have become tradition Continued page 87 MIKO uampoeII nd Jr/Sr hawk-like Windlord plans March 78 MAI photos Snowfly Ill taken Dan Pruss 1SF president Gordon Pearson meets 1SF coordinator Canada Dave Henshaw Hiners SB-la foreground surprised few people thermals exist wintertime Vee tail pitted Grand Esprit gives away scene tnai couia DO mistaken shot out Dr Zhivago Actually taken during re cent Snofly Ill wonderful success spite season Jack Hiner sans gloves launches SB-iD built Carrera kit described April MA column version has 3200-mm wing span large number contestants always attend Beginner Novice Advanced Expert pattern will 1976/ 1977 rules Master pattern will include set ten maneuvers including takeoff landing total 260 possible points contestant will able choose maneuvers Schedule B Extra Maneuvers Only Figure M will used reasoning setting point limit 260 follows both Schedule B maneuvers have K-factor av erage 27 Takeoff Landing subtracted An abbreviated pattern ten maneuvers would total 240 including Takeoff Landing maneuvers 27 K-factor average selected Boost ing maximum possible points 260 encourages selection difficult Extra Maneuvers top level pattern com petitors like new Master pattern maneuvers Some maneuvers disliked simply because very dif ficult will require lot work mas ter dont agree argument few years ago Double lmmelmann very difficult maneuver compet itors rates K-factor two new list Everyone can good Double lmmelmann days except few us new maneuvers very challenging can performed top level competitors flying conventional pattern airplanes willing invest effort However some new maneuvers Master class popular because place premium very light highpowered airplanes encourage another horsepower race compet itive airplanes will feature very costly Schnuerle-ported rear-exhaust engines tuned pipes agree argu ment against maneuvers Despite above arguments still possible Master competitor select high K-factor maneuvers likes still competitive using con ventional pattern airplane havent begun assess new Master pattern means will very interesting see looks us end 1978 competition year Ron Van Puue 12 Connie Drive Shalimar FL 32579 RC Soaring/Pruss continued page 28 soaring free entry fee enthusi asts California has now extended Florida fliers See next year Results Unlimited 1st Jeff MrlikAstro Jeff 2nd Pat FlynnAstro Maggie 3rd Ken BatesOriginal Standard 1st Warren TiahrtSD 100 2nd Dave LeachAquila 3rd Walt HillAquila Jr-Sr 1st Chris CorvenOriginal 2nd Mike CampbellWindlord Side notes. ndard Class outnum bered Unlimited two reversal couple years ago. reliability radios Snofly temperatures concern few years ago year failure occured attributed inter ference tip hat manufactu rers providing us equipment dependable New Product Bill Mueller Hemet California comes announce ment new winch now available called Hi Flight 12 Quoting Bills claims Hi Flight 12 powered conventional 12-volt automotive battery unique fact single foot control allows flier choose slow medium high winch speed speed may varied continuously through launch dictated glider size wind conditions Low speed typically used line tensioning launching light air craft under windy conditions Medium speed will launch Standard Class sailplanes no wind conditions Unlimited ships breezy conditions High speed will launch heaviest Unlimited Class sail plane ease An isolation switch proJune1978 87 WORLD S LARGEST MASTER MODELS ASS T GIANTS OF flOUT 5-10 FT SPANS Catalog Subscription SI Br $110 ley Check Same Thee n Plan Too went end need yocr neppoct O en) whot new nwvbovs oth sinc weve becene o ocliente 4eeiuu service orgoujeettee deolon ceppovt ~ecO5 98 Lcd Hcdoe Rueck $49 4DuuIittlucGee B.545-77 Flying Feet 8- 70 $30 58 Sepeeeo6eeSdo$20103 FyngFoctR- 7G $49 62 Hwveet Ike Roe82345 66 teococd R-26 $39 78 Plc We8deII-Weo$3949 mock Widcw P81 $26 66 0 H Conet EecSitpo Clock Wduc P81 $69 62 26 Molligon$66 Jenknrv JUtO Olt 74 Poecc Openiel$395$ H-P 0400 Ho 4 P0830 81 Mesqcitn Oqn 633$34100 H P 0400 PG 042 55 Hooth Roby Rclet522-81 Fekket 0-8 Pu 930 58 ltocckr M-5 leo Pu$1478 Sopoc tie Pop Pu $25 70 Boyle 000-Ie83945 B-W 8td-Opv $29 62 Cuttiw Hawk P6-E$39107 Mortlt MR-I Conk 66 Curt Slvthe A-S$3266 Ceeclrut 0-Ill Ole $10. 60 Dougloc 0-39 Ole$1561 AEG 09 $otekv $18 71 MevOt C-tO Rosek53058 Soleowe 3A2 $15 62 Skyvoukof XP5P$1682 0nnov-Och DIV $30 57 CetOLceSO3C-t$151160o6eo 89 Rveeker 049 IlOOPtANS LABLE vided eliminate high speed flier desires Bill further claims Hi Flight 12 consists rugged-welded steel frame completely rebuilt 12-volt motor finely machined steel drum two inch core electrics necessary its operation Included Hi Flight 12 ballbearing turn-around price en tire Hi Flight 12 launch system $17900 FOB Hemet California winch also available kit form $8900 get welded frame drilled Complete instructions showing assembly wiring included Re built long-shaft starters also available $2250 winch drums $2495 Write Hi Flight Model Products 43225 Whittier Ave Hemet CA 92434Phone 714 927-4666 Milwaukee Minneapolis Winston-Salem Three areas soaring growing reported first Ron Kopp Mil waukee Suds City Sailplane Team amicable split power club doing own youre area contact Ron Kopp 8010 WWaterford Ave Milwaukee WI 53220 Minneapolis comes news Minnesota Soaring Team well underway Unfortunately no address provided H Evanston says club has three winches sod farm about ten miles south Minneapolis Activities designed around family cant find sod farm look up Evan stons claim hour 30-minute flights Sailaire should draw attention Charles Spear secretary Triad Thermal Thumbers comes announcement forming club Winston Salem Greensboro High Point area North Carolina charter less year theyve already scheduled FAI quarter-finals hoping warrant LSF regional Contact Charles Spear 800 Holly Lane Mocksville NC 27028 Great Race III announced Ken Ward president SOAR heralded event first started 1976 has become annual classic will run conjuction Stand-off Scale contest race open AMA chartered club scheduled August 12 Stand-off Scale contest will beheld August 13 open AMA member details contact Bill Christian CD 1604 N Chestnut Arlington Hts IL 60004 League Silent flight Gordon Pearson LSF President comes news should interest sailplane flier world LSF National Tournament should say International Tourna ment will again held year traditional last weekend Augustthe 26th 27th Already least ten sites have chosen regionals plans underway additional tournaments foreign chapters exist will two-year program whereby percentage top scorers regions will eligible compete interna tional fly-off determine LSF Champion fly-off would scheduled 1979 Discussions underway extra-spe cial eventsthis 1979 contest whereby LSF member could fly potential event could greatest get-together soaring event-ever Details finalized will announced sent LSF members Dan Pruss Rt 2 Box 490 Plainfield IL 60544 RC Old Timer/Mathews continued page 27 thirties ROW free flight event Lake Hopatcong NJ published Air Trials flying old-timer models off water certainly has appeal us have access ponds lakes sure have lakes Kansas delightful way com bine picnic family outing favorite recreation Say again SAM still appears New Goldberg Retracts feature Coil main gear instead three Field re ports experts using Goldberg gear found Coil adequate increased firmness gear especially down-wind turns ground giving better takeoff landing control Carl Goldberg Models Inc 4735W Chicago Ave Chicago IL 60651 product review product review product review some confusion over legality glow engines RC Old-Timer events Glow engines completely legal SAM Radio-Assist events According latest ballot SAM member ship use glow engines free flight oldtimers prohibited changes sub mitted section III rejected membership quickly review vote noneSAM reader changes rules governing free flight events removal responsibility authentication design builder allowing two models per event Radio Control As sist changes 8 oz per sq ft whether ignition glow powered glow con verted-to-ignition engines require 225 sq wing area 10 cu dis placement outlawing pressure fuel systems rear-rotor engines tuned pipes Flight Rule changes Radio Assist Maximum time flights will five minutes overtime deducted En gine runs changed 20 seconds glow 40 seconds ignition Six attempts three officials attempt being flight under 40 seconds Timer will stop calling time 10 seconds prior max other rules remain printed Society Antique Modelers official rule book 1978 AMA 78-79 rule book rules now finalized can learn live regardless personal preferences would appear few RC Assist models devel oped over last few seasons built winter will require major modifi cations remain SAM legal Several performance gaps between sparkers glows have closed Hopefully new contest season will see ever increasing numbers entrants enjoying delightful aspect hobby-sport Ohlssons California Champion Pace maker Ohlsson name familiar anyone ever remote terest powered model aircraft Irwin partner Harry Rice produced tens thousands engines 1937 1955 era What may well known Irwin started business model kit California Record Holder first advertised MAN July 1936 featured Brown Jr drawings Ohlsson decided enter engine manufacturing business developing prototype engine felt need testing flight conditions Pace maker test bed new Min iature engine Feb 1937 issue MAN contains photo combina tion clearly illustrating radical departure then-standard beam engine mounts Pacemaker first model ever utilize radial motor mount Pacemaker kit immensely suc cessful California unique motor 88 Model Aviation product review product review product review
Edition: Model Aviation - 1978/06
Page Numbers: 28, 87, 88
Radio Control Soaring Dan Pruss SNOFLY VIII eighth winter hearty lot Detroit staged annual February Lets Get Together Torment Bodies Sailplanes Fly-In Fifty-six contes tants answered contest director Art Sla gles call fliers Cincinnati Chi cago Indiana other parts Ohio Canada tried outlast Michigan bunch final results seven trophy winners out eight Michigan case life past few months has somewhat cloistered youre aware years winter mid westerners will talking about grandchildren Besides record snowfalls theyll tell morning Snofly VIII thermometer registered five below zero old Fahrenheit scale ever Detroit day temperature did get teens sky abso lutely clear what saved day fact no wind except slight breeze thermal would come through Sure thermals winter winter temperatures After day saw rise temperature about 20 degrees about four hours fact seven-minute maxes logged day two days LSF regional tournament Ann Arbor last Augustand whole same fli ers flying same sailplanes Greater Detroit Soaring Hiking Society hosted now annual affair did outstanding job Because least foot snow ground GDS & HS plowed out parking area provided two snowmobiles line re trieval Stop snickering orange/grow28 Model Aviation impressive winch Bill Mueller unique speed variable Description text ers system worked three rounds flown contest run little over five hours set time frame round established open winch concept used worked well Snoflies have become tradition Continued page 87 MIKO uampoeII nd Jr/Sr hawk-like Windlord plans March 78 MAI photos Snowfly Ill taken Dan Pruss 1SF president Gordon Pearson meets 1SF coordinator Canada Dave Henshaw Hiners SB-la foreground surprised few people thermals exist wintertime Vee tail pitted Grand Esprit gives away scene tnai couia DO mistaken shot out Dr Zhivago Actually taken during re cent Snofly Ill wonderful success spite season Jack Hiner sans gloves launches SB-iD built Carrera kit described April MA column version has 3200-mm wing span large number contestants always attend Beginner Novice Advanced Expert pattern will 1976/ 1977 rules Master pattern will include set ten maneuvers including takeoff landing total 260 possible points contestant will able choose maneuvers Schedule B Extra Maneuvers Only Figure M will used reasoning setting point limit 260 follows both Schedule B maneuvers have K-factor av erage 27 Takeoff Landing subtracted An abbreviated pattern ten maneuvers would total 240 including Takeoff Landing maneuvers 27 K-factor average selected Boost ing maximum possible points 260 encourages selection difficult Extra Maneuvers top level pattern com petitors like new Master pattern maneuvers Some maneuvers disliked simply because very dif ficult will require lot work mas ter dont agree argument few years ago Double lmmelmann very difficult maneuver compet itors rates K-factor two new list Everyone can good Double lmmelmann days except few us new maneuvers very challenging can performed top level competitors flying conventional pattern airplanes willing invest effort However some new maneuvers Master class popular because place premium very light highpowered airplanes encourage another horsepower race compet itive airplanes will feature very costly Schnuerle-ported rear-exhaust engines tuned pipes agree argu ment against maneuvers Despite above arguments still possible Master competitor select high K-factor maneuvers likes still competitive using con ventional pattern airplane havent begun assess new Master pattern means will very interesting see looks us end 1978 competition year Ron Van Puue 12 Connie Drive Shalimar FL 32579 RC Soaring/Pruss continued page 28 soaring free entry fee enthusi asts California has now extended Florida fliers See next year Results Unlimited 1st Jeff MrlikAstro Jeff 2nd Pat FlynnAstro Maggie 3rd Ken BatesOriginal Standard 1st Warren TiahrtSD 100 2nd Dave LeachAquila 3rd Walt HillAquila Jr-Sr 1st Chris CorvenOriginal 2nd Mike CampbellWindlord Side notes. ndard Class outnum bered Unlimited two reversal couple years ago. reliability radios Snofly temperatures concern few years ago year failure occured attributed inter ference tip hat manufactu rers providing us equipment dependable New Product Bill Mueller Hemet California comes announce ment new winch now available called Hi Flight 12 Quoting Bills claims Hi Flight 12 powered conventional 12-volt automotive battery unique fact single foot control allows flier choose slow medium high winch speed speed may varied continuously through launch dictated glider size wind conditions Low speed typically used line tensioning launching light air craft under windy conditions Medium speed will launch Standard Class sailplanes no wind conditions Unlimited ships breezy conditions High speed will launch heaviest Unlimited Class sail plane ease An isolation switch proJune1978 87 WORLD S LARGEST MASTER MODELS ASS T GIANTS OF flOUT 5-10 FT SPANS Catalog Subscription SI Br $110 ley Check Same Thee n Plan Too went end need yocr neppoct O en) whot new nwvbovs oth sinc weve becene o ocliente 4eeiuu service orgoujeettee deolon ceppovt ~ecO5 98 Lcd Hcdoe Rueck $49 4DuuIittlucGee B.545-77 Flying Feet 8- 70 $30 58 Sepeeeo6eeSdo$20103 FyngFoctR- 7G $49 62 Hwveet Ike Roe82345 66 teococd R-26 $39 78 Plc We8deII-Weo$3949 mock Widcw P81 $26 66 0 H Conet EecSitpo Clock Wduc P81 $69 62 26 Molligon$66 Jenknrv JUtO Olt 74 Poecc Openiel$395$ H-P 0400 Ho 4 P0830 81 Mesqcitn Oqn 633$34100 H P 0400 PG 042 55 Hooth Roby Rclet522-81 Fekket 0-8 Pu 930 58 ltocckr M-5 leo Pu$1478 Sopoc tie Pop Pu $25 70 Boyle 000-Ie83945 B-W 8td-Opv $29 62 Cuttiw Hawk P6-E$39107 Mortlt MR-I Conk 66 Curt Slvthe A-S$3266 Ceeclrut 0-Ill Ole $10. 60 Dougloc 0-39 Ole$1561 AEG 09 $otekv $18 71 MevOt C-tO Rosek53058 Soleowe 3A2 $15 62 Skyvoukof XP5P$1682 0nnov-Och DIV $30 57 CetOLceSO3C-t$151160o6eo 89 Rveeker 049 IlOOPtANS LABLE vided eliminate high speed flier desires Bill further claims Hi Flight 12 consists rugged-welded steel frame completely rebuilt 12-volt motor finely machined steel drum two inch core electrics necessary its operation Included Hi Flight 12 ballbearing turn-around price en tire Hi Flight 12 launch system $17900 FOB Hemet California winch also available kit form $8900 get welded frame drilled Complete instructions showing assembly wiring included Re built long-shaft starters also available $2250 winch drums $2495 Write Hi Flight Model Products 43225 Whittier Ave Hemet CA 92434Phone 714 927-4666 Milwaukee Minneapolis Winston-Salem Three areas soaring growing reported first Ron Kopp Mil waukee Suds City Sailplane Team amicable split power club doing own youre area contact Ron Kopp 8010 WWaterford Ave Milwaukee WI 53220 Minneapolis comes news Minnesota Soaring Team well underway Unfortunately no address provided H Evanston says club has three winches sod farm about ten miles south Minneapolis Activities designed around family cant find sod farm look up Evan stons claim hour 30-minute flights Sailaire should draw attention Charles Spear secretary Triad Thermal Thumbers comes announcement forming club Winston Salem Greensboro High Point area North Carolina charter less year theyve already scheduled FAI quarter-finals hoping warrant LSF regional Contact Charles Spear 800 Holly Lane Mocksville NC 27028 Great Race III announced Ken Ward president SOAR heralded event first started 1976 has become annual classic will run conjuction Stand-off Scale contest race open AMA chartered club scheduled August 12 Stand-off Scale contest will beheld August 13 open AMA member details contact Bill Christian CD 1604 N Chestnut Arlington Hts IL 60004 League Silent flight Gordon Pearson LSF President comes news should interest sailplane flier world LSF National Tournament should say International Tourna ment will again held year traditional last weekend Augustthe 26th 27th Already least ten sites have chosen regionals plans underway additional tournaments foreign chapters exist will two-year program whereby percentage top scorers regions will eligible compete interna tional fly-off determine LSF Champion fly-off would scheduled 1979 Discussions underway extra-spe cial eventsthis 1979 contest whereby LSF member could fly potential event could greatest get-together soaring event-ever Details finalized will announced sent LSF members Dan Pruss Rt 2 Box 490 Plainfield IL 60544 RC Old Timer/Mathews continued page 27 thirties ROW free flight event Lake Hopatcong NJ published Air Trials flying old-timer models off water certainly has appeal us have access ponds lakes sure have lakes Kansas delightful way com bine picnic family outing favorite recreation Say again SAM still appears New Goldberg Retracts feature Coil main gear instead three Field re ports experts using Goldberg gear found Coil adequate increased firmness gear especially down-wind turns ground giving better takeoff landing control Carl Goldberg Models Inc 4735W Chicago Ave Chicago IL 60651 product review product review product review some confusion over legality glow engines RC Old-Timer events Glow engines completely legal SAM Radio-Assist events According latest ballot SAM member ship use glow engines free flight oldtimers prohibited changes sub mitted section III rejected membership quickly review vote noneSAM reader changes rules governing free flight events removal responsibility authentication design builder allowing two models per event Radio Control As sist changes 8 oz per sq ft whether ignition glow powered glow con verted-to-ignition engines require 225 sq wing area 10 cu dis placement outlawing pressure fuel systems rear-rotor engines tuned pipes Flight Rule changes Radio Assist Maximum time flights will five minutes overtime deducted En gine runs changed 20 seconds glow 40 seconds ignition Six attempts three officials attempt being flight under 40 seconds Timer will stop calling time 10 seconds prior max other rules remain printed Society Antique Modelers official rule book 1978 AMA 78-79 rule book rules now finalized can learn live regardless personal preferences would appear few RC Assist models devel oped over last few seasons built winter will require major modifi cations remain SAM legal Several performance gaps between sparkers glows have closed Hopefully new contest season will see ever increasing numbers entrants enjoying delightful aspect hobby-sport Ohlssons California Champion Pace maker Ohlsson name familiar anyone ever remote terest powered model aircraft Irwin partner Harry Rice produced tens thousands engines 1937 1955 era What may well known Irwin started business model kit California Record Holder first advertised MAN July 1936 featured Brown Jr drawings Ohlsson decided enter engine manufacturing business developing prototype engine felt need testing flight conditions Pace maker test bed new Min iature engine Feb 1937 issue MAN contains photo combina tion clearly illustrating radical departure then-standard beam engine mounts Pacemaker first model ever utilize radial motor mount Pacemaker kit immensely suc cessful California unique motor 88 Model Aviation product review product review product review