JUST case thought sailpianes gotten design rut over past couple years photo offerings month should assure drawing boards alive kickin picture shows Detroits Jeff Mrlik dads original designed slope soarer Jerry designed Astro Jeff hills Cumberland mind slope bird took shape past November winds didnt cooperate hills produce expected slope effect ship apparently didnt know difference thermaled So well fact Jack Hiner submitted picture took altitude performed just about aerobatic maneuver known pattern fliers plane has rudder elevator nearly full-span ailerons control Jack also sent picture another bird just bit different Its one-quarter scale Jantar hands Meyer Guttman Wingspan 15 -8 weighs eight one-half pounds Reports say thermals very well looks realistic air annual Cumberland Soar-In contest friendly post-season wine cheese/flying get together since isnt contest lot birds show up owners wouldnt dare enter local ten-minute duration/spot landing con test Over years hills have wit nessed marvelous stand-off scale DC-8 flying wings least three 11-lb KA-6es other birds strange feather So have something different building board bring Cumberland next Novem ber 4th 5th scenery alone worth price trip bird bones exposedpic Blame Rawdonwas designed Continued page 104 Some members San Fernando Silent Flyers competed goal-and-return cross-country event Jerry Krainock holds Ed Slobods design Paramount needs grass picture Watsons model taken Blame Rawdon others Jack i-liner April 1979 33 model has constructlonyou hateto hide notconsidertransparent Iron-on spectral 2-meter Phantom weighs 18 oz all-up See text easy rib construction Classy looking siope soarer appropriate color scheme held Jeff Mrlik used rudder eievator alierons Fuiiy acrobatic Meyer Guttmans Jantar /4-scale spans 15 TI hs 8/2 pounds Thermals weli iooks highly realistic flight 1 n poly T-shirt NGS M AMA $650 50$ Postage stom work clubs vents businesses sent request Size 5 M L XL CI special Inforrna FLI 5132 DEL RE 702 878-1 LAS VEGAS NEVADA i24 89102 smoothesc level surface available hellcopter will wani drift slightly throttle slowly advan ed surface rough skid could hanj cause tip over Later YOU pi oficient enough rapidly lift helicopter hover descend drifting choice flying surfaces will less important Another coijsideration practice site would free obstructions s other ob structions presnt target helicopter seek out also will act turbulators wind may present steady wind can help gusty turbulent conditions will lead problems Finally Ill suggest addition above practice site should away spectators Yoill need concentrate task hand spectators other mod elers have habit getting too close comfort may distract may also add frustration comments about obvious difficulties Now once site chosen set up gear begin get familiar helicopter flying After starting engine checking blade tracking retrimming tail rotor set machine down nose wind Stand rear about ten feet slightly side slowiy advance throttle machine begins get light will probably begin slowly skidding left right well rotating about its axis may also rock forward back skids Ease off throttle set trims help compensate movements try again trims will eliminate helicopters tendencies move unwanted directions should least slow movements down Trim adjustments helicopter near ground very accurate due skid drag ground effect dont expect trim model true vertical lift-off Lets try again time continue advance throttle until machine clear ground will find machine will climb comfortable altitude throttle setting just beyond lift-off setting will continue climb unless throttle advanced further Pay particular attention tail rotor control dont let machine begin spin around machine begins move slowly direction other dont panic move transmitter stick compensate Close throttle try again hover cyclic controls will control drift forward aft right leR tail rotor control will control nose tail about yaw axis throttle collec tive will control ascent descent takes lot practice order get amount timing controls ironed out helicopter will respond control inputs way airplane did first tendency undercontrol doesnt work given held too long machine meanwhile has moved some distance suddenly reversed its movement start over again Its lot work keeping up Try pulsing stick movements rather moving stick holding until helicopter has stopped Move stick quickly compen sate helicopters drift dont hold Instead return neutral follow-up additional quick pulses control until machine has stopped its drift Occasionally pulsed controls desirable particularly machine coming Move stick hold until machine has stopped its attack correct new motion described amount control timing largely function helicopters momentum faster its moving control neces sary stop things happening too fast try get machine slowed down enough reduce throttle land minimum drift training geer will help prevent tip over machine drifting too fast sure close throttle quickly once helicopter has touched down Continued practice hover will short hops will allow enough time feel out controls giving machine chance accelerate unwanted directions Keep practicing until familiarity controls response time achieved lengthen time allow machine remain air awhile dont worry about keeping machine stationary just work toward landing zero drill Lift off stop drift land Continue practice way until comfortable stopping drift ing helicopter Once comfortable activity try landing immedi ately after correcting drift continue hover few seconds correct other drifting tendencies will occur Again dont worry too much about keeping machine stationary hover just practice landing zero drift After youll find yourself keeping ma chine air longer longer begin anticipate correct drifting tendencies Youll also rind lift offs will become smcother Dont get carried away watch fuel level See next month Dave Chesney RL 9 Box 621A Greens boro NC 27409 RC Soaring/Pruss continued page 33 side-kick Bill Watson Called Phan tom plane Bill has some interesting specs First off its two-meter ship Wing chord 12 inches 1 4 percent thick section plane extremely light 18 ounces up 274 oz/sqThe ribs easier make would first appear 3-in-wide rib section first constructed bracing form sheets included Ribs sliced 3-in section tail boom home-made carbon fiber Blaine claims airborne Phantom lcoks like hand-launch giider Extremely slow would imagine does move out s nose lowered Blame also states isnt tco sure way go twometer design Phantom fun exercise building flying ship also probably step away indoor type RC sailplanethats thought winter flying Are clubs close-by coliseumcovered coursethat would like start new challenge February column goal-andreturn contest San Fernando Silent Flyers noted Another picture shows some members club competed sailplane picture Ed Slobods Paramount being held Jerry Krainock Kneeling extreme right front row Chris Adams won contest became latest Level V member LSF Blame Rawdon also sent picture pointed out clubs cross-country activities now lean towards goal-and-return one-launch event rather multiple launch/straight line cross-country event Blame also pointed out fliers picture flew three rounds Some flights attempts 10-kilo meter goal-and-return longer 90 minutes Large Sailplane Thermal Contest also mentioned February column held South Bay 104 Model Aviation ME AND P4YRC 4C0 OR EXOLUSI RIGHTS FROM ROYAL CI OWN COLA chol ci PLANE BOAT CAR cottoi 4C0L4 PERMISSION FF FLI CAP AMA Wings REVENGER 60-Size Pattern Designed Dick Russ Revenge can sweet new Revenger pattern design can win 65-inch span laminar-flow wing 700 square-inch area helps perform AMA-FAI man euvers new kind smooth ness can read about May 1978 RC Modeler Revenger comes highly prefabricated balsa fuselage assembled sanded Foam wing panels stabilizer presheeted sanded vertical fin rudder presanded shape contest quality balsa Just join wing panels stab add vertical fin Install retracts engine radio mounts cover paint youre ready complete Total weight 81A 8 3/4 lbs Revenge can sweet Revenger. pattern design can win with$1 See nearest hobby shop first full line brochure write Model Merchant P0 Box 3792 Irving TX 75061 Soaring Society San Francisco area proved successful Limited ships 1350 sq surface area entries included expanded Paragon Aquila X Ls some original designs bi winged Olympic II won design award its builder Larry Horacek Bob McGowen expanded Paragon took first place subjects mentioned have leaning towards things bit differ ent lets continue eventor part taskthat long overdue modifica tion suggestion different First clubs contest directors feel beauty grace thermal flight should end punch ground often becomes test structural integrity ones ship Efforts de-emphasis spot landing has seen events round fat spots small round spots long skinny runways large square runways points landing hardly points landings attempts efforts de-emphasize landing some efforts eliminate dork type landing Harris Hill gang Elmira NY have proponents land like real ones creed judges grade landings year annual big bashno pun intended fact judges full-scale fliers neces sarily versed model sailplanes should could land created little solution landing problem arguments generated rules committee meeting LSF tournaments past included sites hard-surfaced areas same contests thought prudence would prevail greased-on landings would order day Didnt happen sharpshooters added protective covering ships some planes banged 100-point spots carrying padding beauty pag eant reject So over years whether runways round square skinny fat whether points values large small landing points margin victory dorkers usually won best solution above has come along result Mid-Ohio Soaring Societys MOSS efforts cure landing syndrome remedy simple youll wonder wasnt thought before Bob Colgroves idea have line about three inches wide drawn ground wouldnt considered precision line guide reference line Somewhere line another line drawn stretched right angles Now point value intersection two lines zero increases along refer ence line whatever rate desire Up point circular landing zone point value tape rectangular runway would serve well above mentioned reference line Bobs system differs order score landing points model must touch down before cross stripe outside circle Points earned model comes rest Granted fields close clipped allow type scoring lot Cosgroves suggestions further state touch down bounce scoring zone no points landing earned course cross intersection landing boundaries before touchdown its no landing score can readily seen dork type landing strategy no value used before landing zone youll either come abrupt stop bounce in either case its zero score Landings type could encourage fields hard-surfaced runways used listening Harris Hill L/D members would probably promote sailplanes wheels sod-farm fliers surely could try landing event Its hard say whether will catch does can bet some 90 100 point scores usually attained some will long time acoming names top ten some regions will change around during season meantime use well worn clicbehappy landings IJan Pn4ss Rt 2 Box 490 Plainfield IL 60544 mechanical flight options tell story takes realism flight step further fact fully understand realism depicted Kens flight plan should look briefly part full-scale Bettys combat history Mitsubishi G4M Type 1 Land Attack Aircraft allied code named Betty saw action Pacific theater World War II Aleutian Islands Austra ha Betty primary weapons Japan gained its initial victories During early stages war identified among feared Japanese offensive combat air craft like infamous Zero fighter legend soon proved part myth Japanese insistance maximum range maneuverability Zero expense protective armor rendered Betty supremely vulnerable air ground fire earliest versions Betty carried 1100 gallons fuel inimense totally unprotected wing tanks earning nicknames Type 1 Lighter Flying Cigar own crews Later versions incorporated add-on attempts armor part Betty always retained notorious inflamabiity special version Betty desig nated G4M2e subject Kens model built limited numbers parent aircraft Ohka allied code named Baka rocket-powered suicide bomb Betty normally approached within 2040 miles target launched Ohka about 200 mph Kamikazee pilot attempted glide about 230 mph within three miles target before igniting rockets plung ing down target speeds excess 600 mph noted vulnerability Betty its slow speed unwieldiness Ohka aboard enabled Allied fighter interception shoot down ill-fated missions soon withdrawn service flight Kens Betty recreates scene starting launching gliding Ohka bomb appearance smoke April 1979 105 CL Scale/Gretz continued page 38
Edition: Model Aviation - 1979/04
Page Numbers: 33, 104, 105
JUST case thought sailpianes gotten design rut over past couple years photo offerings month should assure drawing boards alive kickin picture shows Detroits Jeff Mrlik dads original designed slope soarer Jerry designed Astro Jeff hills Cumberland mind slope bird took shape past November winds didnt cooperate hills produce expected slope effect ship apparently didnt know difference thermaled So well fact Jack Hiner submitted picture took altitude performed just about aerobatic maneuver known pattern fliers plane has rudder elevator nearly full-span ailerons control Jack also sent picture another bird just bit different Its one-quarter scale Jantar hands Meyer Guttman Wingspan 15 -8 weighs eight one-half pounds Reports say thermals very well looks realistic air annual Cumberland Soar-In contest friendly post-season wine cheese/flying get together since isnt contest lot birds show up owners wouldnt dare enter local ten-minute duration/spot landing con test Over years hills have wit nessed marvelous stand-off scale DC-8 flying wings least three 11-lb KA-6es other birds strange feather So have something different building board bring Cumberland next Novem ber 4th 5th scenery alone worth price trip bird bones exposedpic Blame Rawdonwas designed Continued page 104 Some members San Fernando Silent Flyers competed goal-and-return cross-country event Jerry Krainock holds Ed Slobods design Paramount needs grass picture Watsons model taken Blame Rawdon others Jack i-liner April 1979 33 model has constructlonyou hateto hide notconsidertransparent Iron-on spectral 2-meter Phantom weighs 18 oz all-up See text easy rib construction Classy looking siope soarer appropriate color scheme held Jeff Mrlik used rudder eievator alierons Fuiiy acrobatic Meyer Guttmans Jantar /4-scale spans 15 TI hs 8/2 pounds Thermals weli iooks highly realistic flight 1 n poly T-shirt NGS M AMA $650 50$ Postage stom work clubs vents businesses sent request Size 5 M L XL CI special Inforrna FLI 5132 DEL RE 702 878-1 LAS VEGAS NEVADA i24 89102 smoothesc level surface available hellcopter will wani drift slightly throttle slowly advan ed surface rough skid could hanj cause tip over Later YOU pi oficient enough rapidly lift helicopter hover descend drifting choice flying surfaces will less important Another coijsideration practice site would free obstructions s other ob structions presnt target helicopter seek out also will act turbulators wind may present steady wind can help gusty turbulent conditions will lead problems Finally Ill suggest addition above practice site should away spectators Yoill need concentrate task hand spectators other mod elers have habit getting too close comfort may distract may also add frustration comments about obvious difficulties Now once site chosen set up gear begin get familiar helicopter flying After starting engine checking blade tracking retrimming tail rotor set machine down nose wind Stand rear about ten feet slightly side slowiy advance throttle machine begins get light will probably begin slowly skidding left right well rotating about its axis may also rock forward back skids Ease off throttle set trims help compensate movements try again trims will eliminate helicopters tendencies move unwanted directions should least slow movements down Trim adjustments helicopter near ground very accurate due skid drag ground effect dont expect trim model true vertical lift-off Lets try again time continue advance throttle until machine clear ground will find machine will climb comfortable altitude throttle setting just beyond lift-off setting will continue climb unless throttle advanced further Pay particular attention tail rotor control dont let machine begin spin around machine begins move slowly direction other dont panic move transmitter stick compensate Close throttle try again hover cyclic controls will control drift forward aft right leR tail rotor control will control nose tail about yaw axis throttle collec tive will control ascent descent takes lot practice order get amount timing controls ironed out helicopter will respond control inputs way airplane did first tendency undercontrol doesnt work given held too long machine meanwhile has moved some distance suddenly reversed its movement start over again Its lot work keeping up Try pulsing stick movements rather moving stick holding until helicopter has stopped Move stick quickly compen sate helicopters drift dont hold Instead return neutral follow-up additional quick pulses control until machine has stopped its drift Occasionally pulsed controls desirable particularly machine coming Move stick hold until machine has stopped its attack correct new motion described amount control timing largely function helicopters momentum faster its moving control neces sary stop things happening too fast try get machine slowed down enough reduce throttle land minimum drift training geer will help prevent tip over machine drifting too fast sure close throttle quickly once helicopter has touched down Continued practice hover will short hops will allow enough time feel out controls giving machine chance accelerate unwanted directions Keep practicing until familiarity controls response time achieved lengthen time allow machine remain air awhile dont worry about keeping machine stationary just work toward landing zero drill Lift off stop drift land Continue practice way until comfortable stopping drift ing helicopter Once comfortable activity try landing immedi ately after correcting drift continue hover few seconds correct other drifting tendencies will occur Again dont worry too much about keeping machine stationary hover just practice landing zero drift After youll find yourself keeping ma chine air longer longer begin anticipate correct drifting tendencies Youll also rind lift offs will become smcother Dont get carried away watch fuel level See next month Dave Chesney RL 9 Box 621A Greens boro NC 27409 RC Soaring/Pruss continued page 33 side-kick Bill Watson Called Phan tom plane Bill has some interesting specs First off its two-meter ship Wing chord 12 inches 1 4 percent thick section plane extremely light 18 ounces up 274 oz/sqThe ribs easier make would first appear 3-in-wide rib section first constructed bracing form sheets included Ribs sliced 3-in section tail boom home-made carbon fiber Blaine claims airborne Phantom lcoks like hand-launch giider Extremely slow would imagine does move out s nose lowered Blame also states isnt tco sure way go twometer design Phantom fun exercise building flying ship also probably step away indoor type RC sailplanethats thought winter flying Are clubs close-by coliseumcovered coursethat would like start new challenge February column goal-andreturn contest San Fernando Silent Flyers noted Another picture shows some members club competed sailplane picture Ed Slobods Paramount being held Jerry Krainock Kneeling extreme right front row Chris Adams won contest became latest Level V member LSF Blame Rawdon also sent picture pointed out clubs cross-country activities now lean towards goal-and-return one-launch event rather multiple launch/straight line cross-country event Blame also pointed out fliers picture flew three rounds Some flights attempts 10-kilo meter goal-and-return longer 90 minutes Large Sailplane Thermal Contest also mentioned February column held South Bay 104 Model Aviation ME AND P4YRC 4C0 OR EXOLUSI RIGHTS FROM ROYAL CI OWN COLA chol ci PLANE BOAT CAR cottoi 4C0L4 PERMISSION FF FLI CAP AMA Wings REVENGER 60-Size Pattern Designed Dick Russ Revenge can sweet new Revenger pattern design can win 65-inch span laminar-flow wing 700 square-inch area helps perform AMA-FAI man euvers new kind smooth ness can read about May 1978 RC Modeler Revenger comes highly prefabricated balsa fuselage assembled sanded Foam wing panels stabilizer presheeted sanded vertical fin rudder presanded shape contest quality balsa Just join wing panels stab add vertical fin Install retracts engine radio mounts cover paint youre ready complete Total weight 81A 8 3/4 lbs Revenge can sweet Revenger. pattern design can win with$1 See nearest hobby shop first full line brochure write Model Merchant P0 Box 3792 Irving TX 75061 Soaring Society San Francisco area proved successful Limited ships 1350 sq surface area entries included expanded Paragon Aquila X Ls some original designs bi winged Olympic II won design award its builder Larry Horacek Bob McGowen expanded Paragon took first place subjects mentioned have leaning towards things bit differ ent lets continue eventor part taskthat long overdue modifica tion suggestion different First clubs contest directors feel beauty grace thermal flight should end punch ground often becomes test structural integrity ones ship Efforts de-emphasis spot landing has seen events round fat spots small round spots long skinny runways large square runways points landing hardly points landings attempts efforts de-emphasize landing some efforts eliminate dork type landing Harris Hill gang Elmira NY have proponents land like real ones creed judges grade landings year annual big bashno pun intended fact judges full-scale fliers neces sarily versed model sailplanes should could land created little solution landing problem arguments generated rules committee meeting LSF tournaments past included sites hard-surfaced areas same contests thought prudence would prevail greased-on landings would order day Didnt happen sharpshooters added protective covering ships some planes banged 100-point spots carrying padding beauty pag eant reject So over years whether runways round square skinny fat whether points values large small landing points margin victory dorkers usually won best solution above has come along result Mid-Ohio Soaring Societys MOSS efforts cure landing syndrome remedy simple youll wonder wasnt thought before Bob Colgroves idea have line about three inches wide drawn ground wouldnt considered precision line guide reference line Somewhere line another line drawn stretched right angles Now point value intersection two lines zero increases along refer ence line whatever rate desire Up point circular landing zone point value tape rectangular runway would serve well above mentioned reference line Bobs system differs order score landing points model must touch down before cross stripe outside circle Points earned model comes rest Granted fields close clipped allow type scoring lot Cosgroves suggestions further state touch down bounce scoring zone no points landing earned course cross intersection landing boundaries before touchdown its no landing score can readily seen dork type landing strategy no value used before landing zone youll either come abrupt stop bounce in either case its zero score Landings type could encourage fields hard-surfaced runways used listening Harris Hill L/D members would probably promote sailplanes wheels sod-farm fliers surely could try landing event Its hard say whether will catch does can bet some 90 100 point scores usually attained some will long time acoming names top ten some regions will change around during season meantime use well worn clicbehappy landings IJan Pn4ss Rt 2 Box 490 Plainfield IL 60544 mechanical flight options tell story takes realism flight step further fact fully understand realism depicted Kens flight plan should look briefly part full-scale Bettys combat history Mitsubishi G4M Type 1 Land Attack Aircraft allied code named Betty saw action Pacific theater World War II Aleutian Islands Austra ha Betty primary weapons Japan gained its initial victories During early stages war identified among feared Japanese offensive combat air craft like infamous Zero fighter legend soon proved part myth Japanese insistance maximum range maneuverability Zero expense protective armor rendered Betty supremely vulnerable air ground fire earliest versions Betty carried 1100 gallons fuel inimense totally unprotected wing tanks earning nicknames Type 1 Lighter Flying Cigar own crews Later versions incorporated add-on attempts armor part Betty always retained notorious inflamabiity special version Betty desig nated G4M2e subject Kens model built limited numbers parent aircraft Ohka allied code named Baka rocket-powered suicide bomb Betty normally approached within 2040 miles target launched Ohka about 200 mph Kamikazee pilot attempted glide about 230 mph within three miles target before igniting rockets plung ing down target speeds excess 600 mph noted vulnerability Betty its slow speed unwieldiness Ohka aboard enabled Allied fighter interception shoot down ill-fated missions soon withdrawn service flight Kens Betty recreates scene starting launching gliding Ohka bomb appearance smoke April 1979 105 CL Scale/Gretz continued page 38
Edition: Model Aviation - 1979/04
Page Numbers: 33, 104, 105
JUST case thought sailpianes gotten design rut over past couple years photo offerings month should assure drawing boards alive kickin picture shows Detroits Jeff Mrlik dads original designed slope soarer Jerry designed Astro Jeff hills Cumberland mind slope bird took shape past November winds didnt cooperate hills produce expected slope effect ship apparently didnt know difference thermaled So well fact Jack Hiner submitted picture took altitude performed just about aerobatic maneuver known pattern fliers plane has rudder elevator nearly full-span ailerons control Jack also sent picture another bird just bit different Its one-quarter scale Jantar hands Meyer Guttman Wingspan 15 -8 weighs eight one-half pounds Reports say thermals very well looks realistic air annual Cumberland Soar-In contest friendly post-season wine cheese/flying get together since isnt contest lot birds show up owners wouldnt dare enter local ten-minute duration/spot landing con test Over years hills have wit nessed marvelous stand-off scale DC-8 flying wings least three 11-lb KA-6es other birds strange feather So have something different building board bring Cumberland next Novem ber 4th 5th scenery alone worth price trip bird bones exposedpic Blame Rawdonwas designed Continued page 104 Some members San Fernando Silent Flyers competed goal-and-return cross-country event Jerry Krainock holds Ed Slobods design Paramount needs grass picture Watsons model taken Blame Rawdon others Jack i-liner April 1979 33 model has constructlonyou hateto hide notconsidertransparent Iron-on spectral 2-meter Phantom weighs 18 oz all-up See text easy rib construction Classy looking siope soarer appropriate color scheme held Jeff Mrlik used rudder eievator alierons Fuiiy acrobatic Meyer Guttmans Jantar /4-scale spans 15 TI hs 8/2 pounds Thermals weli iooks highly realistic flight 1 n poly T-shirt NGS M AMA $650 50$ Postage stom work clubs vents businesses sent request Size 5 M L XL CI special Inforrna FLI 5132 DEL RE 702 878-1 LAS VEGAS NEVADA i24 89102 smoothesc level surface available hellcopter will wani drift slightly throttle slowly advan ed surface rough skid could hanj cause tip over Later YOU pi oficient enough rapidly lift helicopter hover descend drifting choice flying surfaces will less important Another coijsideration practice site would free obstructions s other ob structions presnt target helicopter seek out also will act turbulators wind may present steady wind can help gusty turbulent conditions will lead problems Finally Ill suggest addition above practice site should away spectators Yoill need concentrate task hand spectators other mod elers have habit getting too close comfort may distract may also add frustration comments about obvious difficulties Now once site chosen set up gear begin get familiar helicopter flying After starting engine checking blade tracking retrimming tail rotor set machine down nose wind Stand rear about ten feet slightly side slowiy advance throttle machine begins get light will probably begin slowly skidding left right well rotating about its axis may also rock forward back skids Ease off throttle set trims help compensate movements try again trims will eliminate helicopters tendencies move unwanted directions should least slow movements down Trim adjustments helicopter near ground very accurate due skid drag ground effect dont expect trim model true vertical lift-off Lets try again time continue advance throttle until machine clear ground will find machine will climb comfortable altitude throttle setting just beyond lift-off setting will continue climb unless throttle advanced further Pay particular attention tail rotor control dont let machine begin spin around machine begins move slowly direction other dont panic move transmitter stick compensate Close throttle try again hover cyclic controls will control drift forward aft right leR tail rotor control will control nose tail about yaw axis throttle collec tive will control ascent descent takes lot practice order get amount timing controls ironed out helicopter will respond control inputs way airplane did first tendency undercontrol doesnt work given held too long machine meanwhile has moved some distance suddenly reversed its movement start over again Its lot work keeping up Try pulsing stick movements rather moving stick holding until helicopter has stopped Move stick quickly compen sate helicopters drift dont hold Instead return neutral follow-up additional quick pulses control until machine has stopped its drift Occasionally pulsed controls desirable particularly machine coming Move stick hold until machine has stopped its attack correct new motion described amount control timing largely function helicopters momentum faster its moving control neces sary stop things happening too fast try get machine slowed down enough reduce throttle land minimum drift training geer will help prevent tip over machine drifting too fast sure close throttle quickly once helicopter has touched down Continued practice hover will short hops will allow enough time feel out controls giving machine chance accelerate unwanted directions Keep practicing until familiarity controls response time achieved lengthen time allow machine remain air awhile dont worry about keeping machine stationary just work toward landing zero drill Lift off stop drift land Continue practice way until comfortable stopping drift ing helicopter Once comfortable activity try landing immedi ately after correcting drift continue hover few seconds correct other drifting tendencies will occur Again dont worry too much about keeping machine stationary hover just practice landing zero drift After youll find yourself keeping ma chine air longer longer begin anticipate correct drifting tendencies Youll also rind lift offs will become smcother Dont get carried away watch fuel level See next month Dave Chesney RL 9 Box 621A Greens boro NC 27409 RC Soaring/Pruss continued page 33 side-kick Bill Watson Called Phan tom plane Bill has some interesting specs First off its two-meter ship Wing chord 12 inches 1 4 percent thick section plane extremely light 18 ounces up 274 oz/sqThe ribs easier make would first appear 3-in-wide rib section first constructed bracing form sheets included Ribs sliced 3-in section tail boom home-made carbon fiber Blaine claims airborne Phantom lcoks like hand-launch giider Extremely slow would imagine does move out s nose lowered Blame also states isnt tco sure way go twometer design Phantom fun exercise building flying ship also probably step away indoor type RC sailplanethats thought winter flying Are clubs close-by coliseumcovered coursethat would like start new challenge February column goal-andreturn contest San Fernando Silent Flyers noted Another picture shows some members club competed sailplane picture Ed Slobods Paramount being held Jerry Krainock Kneeling extreme right front row Chris Adams won contest became latest Level V member LSF Blame Rawdon also sent picture pointed out clubs cross-country activities now lean towards goal-and-return one-launch event rather multiple launch/straight line cross-country event Blame also pointed out fliers picture flew three rounds Some flights attempts 10-kilo meter goal-and-return longer 90 minutes Large Sailplane Thermal Contest also mentioned February column held South Bay 104 Model Aviation ME AND P4YRC 4C0 OR EXOLUSI RIGHTS FROM ROYAL CI OWN COLA chol ci PLANE BOAT CAR cottoi 4C0L4 PERMISSION FF FLI CAP AMA Wings REVENGER 60-Size Pattern Designed Dick Russ Revenge can sweet new Revenger pattern design can win 65-inch span laminar-flow wing 700 square-inch area helps perform AMA-FAI man euvers new kind smooth ness can read about May 1978 RC Modeler Revenger comes highly prefabricated balsa fuselage assembled sanded Foam wing panels stabilizer presheeted sanded vertical fin rudder presanded shape contest quality balsa Just join wing panels stab add vertical fin Install retracts engine radio mounts cover paint youre ready complete Total weight 81A 8 3/4 lbs Revenge can sweet Revenger. pattern design can win with$1 See nearest hobby shop first full line brochure write Model Merchant P0 Box 3792 Irving TX 75061 Soaring Society San Francisco area proved successful Limited ships 1350 sq surface area entries included expanded Paragon Aquila X Ls some original designs bi winged Olympic II won design award its builder Larry Horacek Bob McGowen expanded Paragon took first place subjects mentioned have leaning towards things bit differ ent lets continue eventor part taskthat long overdue modifica tion suggestion different First clubs contest directors feel beauty grace thermal flight should end punch ground often becomes test structural integrity ones ship Efforts de-emphasis spot landing has seen events round fat spots small round spots long skinny runways large square runways points landing hardly points landings attempts efforts de-emphasize landing some efforts eliminate dork type landing Harris Hill gang Elmira NY have proponents land like real ones creed judges grade landings year annual big bashno pun intended fact judges full-scale fliers neces sarily versed model sailplanes should could land created little solution landing problem arguments generated rules committee meeting LSF tournaments past included sites hard-surfaced areas same contests thought prudence would prevail greased-on landings would order day Didnt happen sharpshooters added protective covering ships some planes banged 100-point spots carrying padding beauty pag eant reject So over years whether runways round square skinny fat whether points values large small landing points margin victory dorkers usually won best solution above has come along result Mid-Ohio Soaring Societys MOSS efforts cure landing syndrome remedy simple youll wonder wasnt thought before Bob Colgroves idea have line about three inches wide drawn ground wouldnt considered precision line guide reference line Somewhere line another line drawn stretched right angles Now point value intersection two lines zero increases along refer ence line whatever rate desire Up point circular landing zone point value tape rectangular runway would serve well above mentioned reference line Bobs system differs order score landing points model must touch down before cross stripe outside circle Points earned model comes rest Granted fields close clipped allow type scoring lot Cosgroves suggestions further state touch down bounce scoring zone no points landing earned course cross intersection landing boundaries before touchdown its no landing score can readily seen dork type landing strategy no value used before landing zone youll either come abrupt stop bounce in either case its zero score Landings type could encourage fields hard-surfaced runways used listening Harris Hill L/D members would probably promote sailplanes wheels sod-farm fliers surely could try landing event Its hard say whether will catch does can bet some 90 100 point scores usually attained some will long time acoming names top ten some regions will change around during season meantime use well worn clicbehappy landings IJan Pn4ss Rt 2 Box 490 Plainfield IL 60544 mechanical flight options tell story takes realism flight step further fact fully understand realism depicted Kens flight plan should look briefly part full-scale Bettys combat history Mitsubishi G4M Type 1 Land Attack Aircraft allied code named Betty saw action Pacific theater World War II Aleutian Islands Austra ha Betty primary weapons Japan gained its initial victories During early stages war identified among feared Japanese offensive combat air craft like infamous Zero fighter legend soon proved part myth Japanese insistance maximum range maneuverability Zero expense protective armor rendered Betty supremely vulnerable air ground fire earliest versions Betty carried 1100 gallons fuel inimense totally unprotected wing tanks earning nicknames Type 1 Lighter Flying Cigar own crews Later versions incorporated add-on attempts armor part Betty always retained notorious inflamabiity special version Betty desig nated G4M2e subject Kens model built limited numbers parent aircraft Ohka allied code named Baka rocket-powered suicide bomb Betty normally approached within 2040 miles target launched Ohka about 200 mph Kamikazee pilot attempted glide about 230 mph within three miles target before igniting rockets plung ing down target speeds excess 600 mph noted vulnerability Betty its slow speed unwieldiness Ohka aboard enabled Allied fighter interception shoot down ill-fated missions soon withdrawn service flight Kens Betty recreates scene starting launching gliding Ohka bomb appearance smoke April 1979 105 CL Scale/Gretz continued page 38