Bill Effinger says Scratch-building WE Plan N Pattern sets way go get best designs complete Full-Size layouts parts drawings Bill Materials save up 50% over com parable kit costs SPAD C-XIII Capable Flyer ures Imagination 13-31 cu engines 79 Wingspan sq area Plan N Pattern Set #RCQS-8$2795 FOKKER TRIPLANE DR-i Giant 114 Scale RI C Design WW-l 78 150 cu Engines 72 Wingspan Triplane sq area Plan N Pattern Set #RCQS-6... $2495 Quarter Scale RIC SE-5A World Wan 0 78 22 Engines 80 Wingspan Sq Inches Area Plan N Pattern Set #RCQS-7 2495 Quarter Scale-Golden Age CURTIS FALCON- 114 Wingspan3168 sq area Quadra Size Engine Plan N Pattern Set #RCQS-13 . $2795 have past purchased Sets j admire engineering draft ing skills Albert E Rosnane Santa Rosa CA WACO SRE- Cabin Biplane RIC 52/a Wingspan sq area 19 40 Engines Plan N Pattern Set #RC8S-3 .. $1295 Best Ducted Fans SKYRAY F4D-i Plan Form 1 Scale Duct Fan RIC44 long RK-20 Fan Unit Plan N Pattern Set #RCDF-1 .. $1995 Prices Complete Plans Sub Assembly Detailed Parts Lists Add $200 Melliag Tube SEND OR SROCHURE 8e ahead crowd New Brochure showing new Plan Sets 1985 Send $100 its refundable first order WE Technical Services PO Box 76884-A Atlanta GA 30328 Woodys Electric B-24 Finally completed test flown model has markings B-24s flew Italy 1944-45 738 Sq 454 Gp 15 AF - mocl w 4 lb Power comes four Astro motors swinging three-bladed 8-6 props through 251 reductions Its covered -oz clear Micafilm over balsa planking Paint Formula U camouflage olive drab gray ship takes off about 100 ft flies believable speeds Sure brings back memories friends WS Woody Blanchard Jr Hampton VA Morrisey Bravo Tail Recall As result continuing flight test demonstration program have de cided reinforce vertical tail surface Sig -scale Bravo Kit No RC-57 better withstand high airspeed large engine vibration providing Bravo owners free kit containing plans materials build new tail surface modification kit also includes arrowshaft pushrod precise control replace flexible rudder pushrod originally specified Bravo owners requested call Continued page 10 34K40-FFC KitS3295 34K40C-FFC Asmbld$4295 Send $200 far ear eewplete cotelee ACE tows ore anoiloble ot year deolor yeu ardor direet odd $200 Hondling Fee lie w 16th St. use SilCA Hisglneellle MO 64037 alelse4-7121 ACE p 8 Model Aviation etters oThe Editor letters will carefully considered general interest used Send Mod el Aviation 1810 Samuel Morse Dr Reston VA 22090 e,se uaery important haa stand out back fast chai night charge rateICJ4LLY high quality standards have earned FFC right called THE BEST fast charger market today Designed 48V receiver 96V transmitter battery packs THE RADIO CONTROL BUYERS GUIDE new 9th edition now local hobby shop contains thousands photos product descriptions radio control raft Cars s ems nes ware Accessories s os RCBG single largest source infor mation RIO modeling available Whether re advanced R/Cer eager novice RCBG will master reference So before plunk down hard earned cashLook Before Buy available locally may send $995 plus $175 shipping Radio Control Buyers Guide Dept 100 Clifton House Clifton VA 22024 sure indicate street address II I II I I I I ii 1 III I I Sig toll-free WATS line 1-800247-5008 write letter specifying kit purchased modifi cation kit will sent immediately recommendation Bravos being flown should grounded vertical fin replaced new design Sig Mfg Co Inc Montezuma IA 50171 Guest Editorial Trainer Controversy Regarding guest editorial April issue seems may need some lessons diplomacy because clubs best pilots said took slam against instructors apologize may have reacted similarly dont really consider slam call someone good top-notch flier certainly did single out instructors per se has long knownthatthe cream crop just about activity pro fession sport job seldom communicates teaches fledglings well mediocre matter being better able feel themselves fledglings shoes other can cant teach Regarding rebuttals aeronautical englneers experts what type airplane wing airfoil preferable trainer let say certainly claim league claim observant sociologist definitely know what have seen over many years symmetrical airfoil wing train er pure murder fledgling. three-channel planes easier fly four-channel planes back up what already knew polled both old-timers sport business end came up three-to-one agreement Jim Waterman San Antonio TX Jim Watermans guest editorial kicked off flurry mail offices some writers being highly incensed some actually praising fact someone concerned beginners interests Waterman hav ing set stage printing rep resentative sampling pro con letters received April guest editorial Jim Water man squarely target must write andtell him through strong ly agree what saying Reading comments sales arguments neutrally stable overpowered pseudo-train ers made wonder whether reading mind feel yet another factor adding problem Jim did mention though may have perceived Ill call macho factor unique model aviationbut probably reflection of forces work entire society first encountered back escapement reed days Continued page 12 10 Model Aviation LI I I I I II I I I I I il I I I I I Two TOP QUALITY Canard Kits w 1/5 SCALE WINGSPAN 6260 1/4 SCALE WINGSPAN 485 FASTANDSLEEK ENGINE 40-450 ALL BALSA0 ENGINE 35-45 FOAM CORE WING NELS 4-50 EASY TO BUILD0 CHANNELS 4 BALSA FUSELAGE IL $15995AND FLY RETAIL $12995 Now Available Wherever RIG Models Sold.or Write ST CROIX MODELS s PO BOX 2790 PARK FALLS WI 54552 MORE NEW KITS FROM 114 TWO DESIGNED FOR 05 ELECTRIC POWER RQIN SPORT SCALE 54 S PA N 425 sqAREA $4495 BILL WINTER design 58 SPAN 490 sqAREA $4795 AND TWO COMPETITION SAILPLANES N x hjflDAVEY SYSTEMS FCORPORATION ONE WOOD LANEMALVEENPA193S5 215644-6772 DEALER INQUIRIES INVITED PROPHET 941 995 SPAN 941 sq AREA 60-65 oz/sq WING LOADING $9995 PROPHET TWO METER 631 sqAREA 65-70 oz/sq WING LOADING $5395 YOUR SOURCE FOR HISTARTS THE RETRIEVER WINCHES ELECTRIC MO TORS AND OTHER QUIET FLIGHT SUPPLIES guy just gotten 10channel rig working well behind firebreathing Veco 45 wasted no time telling rudder wont turn contest jobas held 09-size compound escapement ship submit same mentality appears today 40powered 50-in bombs flown RCers beginners otherwise fear impression might made show up less demanding machine always thougJt hobby/sport individualists guys didnt follow crowd werent afraid own thing come feel have prove something building airplanes hot almost burn paint off wings What makes worse macho factor doesnt just prevent lot new comers learning fly successfully Ive lost count people Ive seen flying hot-rock stuff will never get beyondthe white-knuckle controlled crash landing stage because afraid build airplane will allow slow down relax develop set automatic responses Ill bet lot guys out would really rather fly Elder whatever wont fear comments might might made As Jim suggests no easy answer Indeed lot flak will thrown very people caught up problem way can see progress being made one-on-one devoted model ap proach Jim have committed ourselves Hopefully have lot company Robert Benjamin Olympia WA dont know what kind club Jim Waterman rather suspect describes very best fliers highly-adept hot dog fliers far removed beginner incapable empathy probably boiling mad Editor See Watermans letter issue claim laid-back Sunday flier knows about what student needs trainer experienced flier pure hogwash Lets lay blame students showing up field advanced trainers belongs Waterman hit major nose 1 Kit manufac turers advertise Ideal Trainer~ fact basic trainer 2 nonflying hobby shop owners/employees echo manufacturers advertising cause dont know better 3 gift non-flying family member 4 newcomer feels can anything buys what turns him Yes reasons advanced trainer being field lower-level model would desirable Maybe occasional instructor will recommend airplane little too advanced its exception rather rule Watermans discussion ideal model first flight extols virtues Continued page 113 12 Model Aviation Letters Editor Continued page 12 Old-Timer RC-Assist types powered Sailplane calm day also recommended lots dihedral made statement ailerons advantage advanced trainer Gosh far behind times can person strongly suggest rethink philosophy training new fliers standpoint aircraft type confluration Northern Virginia RC Club recommend stable high-wing tri cycle-gear type trainer Goldberg Eaglet variety etc ailerons have written training program student gradually progress capable After soloing new flier must continue fly under supervision qualified club pilot until can pass qualification flight check administered two qualified club pilots qualification flight check consists 1 Preflight inspec tion range check fueling 2 Engine start tuning 3 Taxi 4 Takeoff climb-out 5 Flyby over runway tracking straight line 6 Horizontal figure eights both directions 7 Inside loop 8 Two Immelmann turns 9 Stall reacover 10 Approach landing Rto Land Lto R 11 Simulated dead engine landing 12 Final landing After passing qualifica tion flight check flier free fly own qualified club pilot Lets get down nitty-gritty threechannel four-channel aircraft begin ners have instructing quite few years can attest isnt difference long takes someone learn way other final analysis instructor knows what hes doing can impart knowledge needed student able instill confi dence student h balks student ground before flight thing will go quite smoothly air regard exposing new flier modest aerobatics occasionally during training will stand 100% behind philosophy trainingand its certainly hot dogging student Showing new student loops rolls Immelmanns etc inthe course training helps break boredom otherwise endless rectangles figure eights student Ive thoroughly enjoyed confidence built same time Having model its back number times knowing recover will materially reduce ele ment panic should gust glitch some other unexpected event flip airplane over addition ailerons model isnt problem insofar weight concerned example lets look Goldberg Eaglet advertised April 1985 issue Im assuming Eaglet shown ad three-channel version wing area 450 sq divided 144 converts 312 sq ft listed flying weight 48 oz divided 312 equals wing loading approximately 15 oz per sq ft think well agree wing loading 15 oz makes pretty good basic trainer Lets add ailerons According scale extra gear necessary produce fourchannel Eaglet comes just about 4 oz Available & L PAN AMERICAN INTL GJ HOBBIES SIG MPG RIO AEREO ENGINES P21 SE-FI P21 RE-FI P40 SE-FI P40 PYLON RE-RI P45 SE-FI P60 SE-FI P60 RE-FI P80 SE-FI P80 R.E-FI P65 DUCTED FAN-RE-RI [P80 DUCTED FAN-RE-RI $5995 $6995 $6995 $8995 $7195 $10295 $10795 $11595 $11595 Imported CONDOR TRADING CO P 0 Box 3479 Mission Viejo CA 92690-1479 Dealer & Distributor Inquiries invited 714 768-5933 $11595 $11795 Prices subject change notice P60 giving flying weight 52 oz wing loading 166 oz per sq ft can assure difference between wing load ings 15 166 insignificant wing loading 166 well within acceptable envelope basic trainers wing loading club student success rate has outstandingno dropouts knowledge yes great majority start full house systems As hot airplanes student shows up hes told take home hang up year until hes ready Frankly cant conceive iitstructor being gross implied guest editorial However people normal reflexes under guidance competent instruc torcan handle four channels very nicely Larry Paffitt Alexandria VA must commend April edition Model Aviation magazine articles month excellent wide range Continued page 115 NEW PRICES! P21 SE-Fl$8195 P21 RE-FI$8195 P45 RE-RI$9995 P65 RE-RI$11095 P80 RE-RI$11795 P90 RE-RI$14395 RIC CAR-BUGGY-TETHER CAR ENGINES P21 CAR-DELTA REFI$7995 P21 CAR REAR OR SE-FI$7295 P21 BUGGY REAR OR SE-FI$6995 TETHER CAR-RERI$11095 September 1985 113 MICROMOTORI RIO MARINE ENGINES model craft TOUCH UP AIR BRUSH ARISTO TEX COVERING MATERIAL LOW 2 METER ROLL $720 FOR DETAIL PAINTING OF AIRPLANE WINGS AND BOATS$4000 TACHOMElER W/LED READ OUT FOR EASY FIELD READING $4j rjj ACCURATE ENGINE RPM 12 PIECE WOOD CARVING SET HOBBYISTS/I QUICK HEAT SOLDERING GUN iPO WATT 21 PIECE TOOL SET US SIZE SCREWDRIVERS PLUS PHILLIPS HEX AND WRENCH TYPES $700 Ci TRIPLE HANDS WITH MAGNIFIER N EXTRA HELP IN ma HOLDING THOSEW SMALL PARTS WHILE$5 SOLDERING GLUING OR PAINTING MAGNIFIER LAMP WITH MULTI POSITION 39 $3000 / FLEXIBLE ARM 3 DIOPTER LENS FOR 4 liMES MAGNIFICATION Letters Editor Continued page 113 modeling interests first article would like comment guest editorial believe Mr Waterman expressed views ac tive instructors very well us spend flying time teaching others fly know what happens student pilot brings out wrong airplane takes twice long him learn fly dont believe however student cannot learn ship has ailerons Take Goldberg Eaglet example sincerely believe probably best trainer market have taught lots folks fly ailerons definitely hinderance learning process dont feel need go back days Smog Hog applaud Mr Watermans views keeping things simple beginner Anthony Stevens Knoxville TN am writing overwhelming apprecia tion guest editorial April 1985 issue Jim Waterman really enoyed Frankly stand behind him 100% Let explain first trainer Little Stik 6-ft wing flatbottomed airfoil polydihedral 576 sq area truly basic trainer would recover full stall about 10 ft plane crashed servo arm rudder came off turn left full rudder locked-in friend gave Box Fly 20 put big wing it flew better Loops spins snaps could flown yet stable Old-Timer wing broke using glider fuselage switched nodihedral fully-symmetrical-airfoil wing ailerons needed larger power plant got wasnt ready second airplane guest editorial called bumped about quite bit During winter fixed up after wards could fly much better However still herkey-jerkey ailerons doing better before crashed five times first switched ailerons took year lots patience really bruised ego learn tt fly Dont think stayed basic trainer never crashed due pilot error would have faster learning session Its good thing really love RCing because greenhorns would have given up long time ago Chris Allen Pittsburg CA Although enjoy Model Aviation disappointed aggravated totally honest little mad after reading guest editorial April 1985 edition got impression guest editor little envious skill level required fly Pattern Racing ship particularly disturbed remark us fly Pattern Racing models cannot under stand needs beginners us start somewhere us successful first flying session totally mishaps save breaking couple props hangup Antic Bipes Sopwith Pups fine Go sport enjoy covers variety aircraft types varying skill requirements Once beginner present have six trainees has reached skill level competently fly trainer respect choice models continue assist long think needs Instructors determined type aircraft fly Instructors born David C Lassiter Aulander NC Safety/Preston Continued page 20 radio expert among contributing editors Model Aviation last comment concerns radio inter ference Im also going buck George Myers Ive several let ters asking opinion RC chan nels should avoided because inter ference other channels really dont know answer However Radio Technique column ap peared April 1985 issue page 40 George did mention subject radio interference also referenced number previous columns discussed subject have ques tions about interference first check back issues magazine may find answers seek Also dont forget District Frequency Coordina tor people appointed pin point local problems names addresses can found head District VPs column AMA News section magazine Have another safe month John Preston 12235 Tilden wood Dr Rockville MD 20852 M lies-Atwood/Reese Continued page 30 airplane flew nicely another 30 seconds little nervous looped rolled about sky little green airplane needed just another foot altitude complete split-S told just wasnt day inspection didnt appear badly damaged landing gear bent lower cowl popped loose nothing else appeared broken repaired cowl 5-mm epoxy tried again time going touch As soon airbne Continued page 118 September 1985115
Edition: Model Aviation - 1985/09
Page Numbers: 8, 10, 12, 113, 115
Bill Effinger says Scratch-building WE Plan N Pattern sets way go get best designs complete Full-Size layouts parts drawings Bill Materials save up 50% over com parable kit costs SPAD C-XIII Capable Flyer ures Imagination 13-31 cu engines 79 Wingspan sq area Plan N Pattern Set #RCQS-8$2795 FOKKER TRIPLANE DR-i Giant 114 Scale RI C Design WW-l 78 150 cu Engines 72 Wingspan Triplane sq area Plan N Pattern Set #RCQS-6... $2495 Quarter Scale RIC SE-5A World Wan 0 78 22 Engines 80 Wingspan Sq Inches Area Plan N Pattern Set #RCQS-7 2495 Quarter Scale-Golden Age CURTIS FALCON- 114 Wingspan3168 sq area Quadra Size Engine Plan N Pattern Set #RCQS-13 . $2795 have past purchased Sets j admire engineering draft ing skills Albert E Rosnane Santa Rosa CA WACO SRE- Cabin Biplane RIC 52/a Wingspan sq area 19 40 Engines Plan N Pattern Set #RC8S-3 .. $1295 Best Ducted Fans SKYRAY F4D-i Plan Form 1 Scale Duct Fan RIC44 long RK-20 Fan Unit Plan N Pattern Set #RCDF-1 .. $1995 Prices Complete Plans Sub Assembly Detailed Parts Lists Add $200 Melliag Tube SEND OR SROCHURE 8e ahead crowd New Brochure showing new Plan Sets 1985 Send $100 its refundable first order WE Technical Services PO Box 76884-A Atlanta GA 30328 Woodys Electric B-24 Finally completed test flown model has markings B-24s flew Italy 1944-45 738 Sq 454 Gp 15 AF - mocl w 4 lb Power comes four Astro motors swinging three-bladed 8-6 props through 251 reductions Its covered -oz clear Micafilm over balsa planking Paint Formula U camouflage olive drab gray ship takes off about 100 ft flies believable speeds Sure brings back memories friends WS Woody Blanchard Jr Hampton VA Morrisey Bravo Tail Recall As result continuing flight test demonstration program have de cided reinforce vertical tail surface Sig -scale Bravo Kit No RC-57 better withstand high airspeed large engine vibration providing Bravo owners free kit containing plans materials build new tail surface modification kit also includes arrowshaft pushrod precise control replace flexible rudder pushrod originally specified Bravo owners requested call Continued page 10 34K40-FFC KitS3295 34K40C-FFC Asmbld$4295 Send $200 far ear eewplete cotelee ACE tows ore anoiloble ot year deolor yeu ardor direet odd $200 Hondling Fee lie w 16th St. use SilCA Hisglneellle MO 64037 alelse4-7121 ACE p 8 Model Aviation etters oThe Editor letters will carefully considered general interest used Send Mod el Aviation 1810 Samuel Morse Dr Reston VA 22090 e,se uaery important haa stand out back fast chai night charge rateICJ4LLY high quality standards have earned FFC right called THE BEST fast charger market today Designed 48V receiver 96V transmitter battery packs THE RADIO CONTROL BUYERS GUIDE new 9th edition now local hobby shop contains thousands photos product descriptions radio control raft Cars s ems nes ware Accessories s os RCBG single largest source infor mation RIO modeling available Whether re advanced R/Cer eager novice RCBG will master reference So before plunk down hard earned cashLook Before Buy available locally may send $995 plus $175 shipping Radio Control Buyers Guide Dept 100 Clifton House Clifton VA 22024 sure indicate street address II I II I I I I ii 1 III I I Sig toll-free WATS line 1-800247-5008 write letter specifying kit purchased modifi cation kit will sent immediately recommendation Bravos being flown should grounded vertical fin replaced new design Sig Mfg Co Inc Montezuma IA 50171 Guest Editorial Trainer Controversy Regarding guest editorial April issue seems may need some lessons diplomacy because clubs best pilots said took slam against instructors apologize may have reacted similarly dont really consider slam call someone good top-notch flier certainly did single out instructors per se has long knownthatthe cream crop just about activity pro fession sport job seldom communicates teaches fledglings well mediocre matter being better able feel themselves fledglings shoes other can cant teach Regarding rebuttals aeronautical englneers experts what type airplane wing airfoil preferable trainer let say certainly claim league claim observant sociologist definitely know what have seen over many years symmetrical airfoil wing train er pure murder fledgling. three-channel planes easier fly four-channel planes back up what already knew polled both old-timers sport business end came up three-to-one agreement Jim Waterman San Antonio TX Jim Watermans guest editorial kicked off flurry mail offices some writers being highly incensed some actually praising fact someone concerned beginners interests Waterman hav ing set stage printing rep resentative sampling pro con letters received April guest editorial Jim Water man squarely target must write andtell him through strong ly agree what saying Reading comments sales arguments neutrally stable overpowered pseudo-train ers made wonder whether reading mind feel yet another factor adding problem Jim did mention though may have perceived Ill call macho factor unique model aviationbut probably reflection of forces work entire society first encountered back escapement reed days Continued page 12 10 Model Aviation LI I I I I II I I I I I il I I I I I Two TOP QUALITY Canard Kits w 1/5 SCALE WINGSPAN 6260 1/4 SCALE WINGSPAN 485 FASTANDSLEEK ENGINE 40-450 ALL BALSA0 ENGINE 35-45 FOAM CORE WING NELS 4-50 EASY TO BUILD0 CHANNELS 4 BALSA FUSELAGE IL $15995AND FLY RETAIL $12995 Now Available Wherever RIG Models Sold.or Write ST CROIX MODELS s PO BOX 2790 PARK FALLS WI 54552 MORE NEW KITS FROM 114 TWO DESIGNED FOR 05 ELECTRIC POWER RQIN SPORT SCALE 54 S PA N 425 sqAREA $4495 BILL WINTER design 58 SPAN 490 sqAREA $4795 AND TWO COMPETITION SAILPLANES N x hjflDAVEY SYSTEMS FCORPORATION ONE WOOD LANEMALVEENPA193S5 215644-6772 DEALER INQUIRIES INVITED PROPHET 941 995 SPAN 941 sq AREA 60-65 oz/sq WING LOADING $9995 PROPHET TWO METER 631 sqAREA 65-70 oz/sq WING LOADING $5395 YOUR SOURCE FOR HISTARTS THE RETRIEVER WINCHES ELECTRIC MO TORS AND OTHER QUIET FLIGHT SUPPLIES guy just gotten 10channel rig working well behind firebreathing Veco 45 wasted no time telling rudder wont turn contest jobas held 09-size compound escapement ship submit same mentality appears today 40powered 50-in bombs flown RCers beginners otherwise fear impression might made show up less demanding machine always thougJt hobby/sport individualists guys didnt follow crowd werent afraid own thing come feel have prove something building airplanes hot almost burn paint off wings What makes worse macho factor doesnt just prevent lot new comers learning fly successfully Ive lost count people Ive seen flying hot-rock stuff will never get beyondthe white-knuckle controlled crash landing stage because afraid build airplane will allow slow down relax develop set automatic responses Ill bet lot guys out would really rather fly Elder whatever wont fear comments might might made As Jim suggests no easy answer Indeed lot flak will thrown very people caught up problem way can see progress being made one-on-one devoted model ap proach Jim have committed ourselves Hopefully have lot company Robert Benjamin Olympia WA dont know what kind club Jim Waterman rather suspect describes very best fliers highly-adept hot dog fliers far removed beginner incapable empathy probably boiling mad Editor See Watermans letter issue claim laid-back Sunday flier knows about what student needs trainer experienced flier pure hogwash Lets lay blame students showing up field advanced trainers belongs Waterman hit major nose 1 Kit manufac turers advertise Ideal Trainer~ fact basic trainer 2 nonflying hobby shop owners/employees echo manufacturers advertising cause dont know better 3 gift non-flying family member 4 newcomer feels can anything buys what turns him Yes reasons advanced trainer being field lower-level model would desirable Maybe occasional instructor will recommend airplane little too advanced its exception rather rule Watermans discussion ideal model first flight extols virtues Continued page 113 12 Model Aviation Letters Editor Continued page 12 Old-Timer RC-Assist types powered Sailplane calm day also recommended lots dihedral made statement ailerons advantage advanced trainer Gosh far behind times can person strongly suggest rethink philosophy training new fliers standpoint aircraft type confluration Northern Virginia RC Club recommend stable high-wing tri cycle-gear type trainer Goldberg Eaglet variety etc ailerons have written training program student gradually progress capable After soloing new flier must continue fly under supervision qualified club pilot until can pass qualification flight check administered two qualified club pilots qualification flight check consists 1 Preflight inspec tion range check fueling 2 Engine start tuning 3 Taxi 4 Takeoff climb-out 5 Flyby over runway tracking straight line 6 Horizontal figure eights both directions 7 Inside loop 8 Two Immelmann turns 9 Stall reacover 10 Approach landing Rto Land Lto R 11 Simulated dead engine landing 12 Final landing After passing qualifica tion flight check flier free fly own qualified club pilot Lets get down nitty-gritty threechannel four-channel aircraft begin ners have instructing quite few years can attest isnt difference long takes someone learn way other final analysis instructor knows what hes doing can impart knowledge needed student able instill confi dence student h balks student ground before flight thing will go quite smoothly air regard exposing new flier modest aerobatics occasionally during training will stand 100% behind philosophy trainingand its certainly hot dogging student Showing new student loops rolls Immelmanns etc inthe course training helps break boredom otherwise endless rectangles figure eights student Ive thoroughly enjoyed confidence built same time Having model its back number times knowing recover will materially reduce ele ment panic should gust glitch some other unexpected event flip airplane over addition ailerons model isnt problem insofar weight concerned example lets look Goldberg Eaglet advertised April 1985 issue Im assuming Eaglet shown ad three-channel version wing area 450 sq divided 144 converts 312 sq ft listed flying weight 48 oz divided 312 equals wing loading approximately 15 oz per sq ft think well agree wing loading 15 oz makes pretty good basic trainer Lets add ailerons According scale extra gear necessary produce fourchannel Eaglet comes just about 4 oz Available & L PAN AMERICAN INTL GJ HOBBIES SIG MPG RIO AEREO ENGINES P21 SE-FI P21 RE-FI P40 SE-FI P40 PYLON RE-RI P45 SE-FI P60 SE-FI P60 RE-FI P80 SE-FI P80 R.E-FI P65 DUCTED FAN-RE-RI [P80 DUCTED FAN-RE-RI $5995 $6995 $6995 $8995 $7195 $10295 $10795 $11595 $11595 Imported CONDOR TRADING CO P 0 Box 3479 Mission Viejo CA 92690-1479 Dealer & Distributor Inquiries invited 714 768-5933 $11595 $11795 Prices subject change notice P60 giving flying weight 52 oz wing loading 166 oz per sq ft can assure difference between wing load ings 15 166 insignificant wing loading 166 well within acceptable envelope basic trainers wing loading club student success rate has outstandingno dropouts knowledge yes great majority start full house systems As hot airplanes student shows up hes told take home hang up year until hes ready Frankly cant conceive iitstructor being gross implied guest editorial However people normal reflexes under guidance competent instruc torcan handle four channels very nicely Larry Paffitt Alexandria VA must commend April edition Model Aviation magazine articles month excellent wide range Continued page 115 NEW PRICES! P21 SE-Fl$8195 P21 RE-FI$8195 P45 RE-RI$9995 P65 RE-RI$11095 P80 RE-RI$11795 P90 RE-RI$14395 RIC CAR-BUGGY-TETHER CAR ENGINES P21 CAR-DELTA REFI$7995 P21 CAR REAR OR SE-FI$7295 P21 BUGGY REAR OR SE-FI$6995 TETHER CAR-RERI$11095 September 1985 113 MICROMOTORI RIO MARINE ENGINES model craft TOUCH UP AIR BRUSH ARISTO TEX COVERING MATERIAL LOW 2 METER ROLL $720 FOR DETAIL PAINTING OF AIRPLANE WINGS AND BOATS$4000 TACHOMElER W/LED READ OUT FOR EASY FIELD READING $4j rjj ACCURATE ENGINE RPM 12 PIECE WOOD CARVING SET HOBBYISTS/I QUICK HEAT SOLDERING GUN iPO WATT 21 PIECE TOOL SET US SIZE SCREWDRIVERS PLUS PHILLIPS HEX AND WRENCH TYPES $700 Ci TRIPLE HANDS WITH MAGNIFIER N EXTRA HELP IN ma HOLDING THOSEW SMALL PARTS WHILE$5 SOLDERING GLUING OR PAINTING MAGNIFIER LAMP WITH MULTI POSITION 39 $3000 / FLEXIBLE ARM 3 DIOPTER LENS FOR 4 liMES MAGNIFICATION Letters Editor Continued page 113 modeling interests first article would like comment guest editorial believe Mr Waterman expressed views ac tive instructors very well us spend flying time teaching others fly know what happens student pilot brings out wrong airplane takes twice long him learn fly dont believe however student cannot learn ship has ailerons Take Goldberg Eaglet example sincerely believe probably best trainer market have taught lots folks fly ailerons definitely hinderance learning process dont feel need go back days Smog Hog applaud Mr Watermans views keeping things simple beginner Anthony Stevens Knoxville TN am writing overwhelming apprecia tion guest editorial April 1985 issue Jim Waterman really enoyed Frankly stand behind him 100% Let explain first trainer Little Stik 6-ft wing flatbottomed airfoil polydihedral 576 sq area truly basic trainer would recover full stall about 10 ft plane crashed servo arm rudder came off turn left full rudder locked-in friend gave Box Fly 20 put big wing it flew better Loops spins snaps could flown yet stable Old-Timer wing broke using glider fuselage switched nodihedral fully-symmetrical-airfoil wing ailerons needed larger power plant got wasnt ready second airplane guest editorial called bumped about quite bit During winter fixed up after wards could fly much better However still herkey-jerkey ailerons doing better before crashed five times first switched ailerons took year lots patience really bruised ego learn tt fly Dont think stayed basic trainer never crashed due pilot error would have faster learning session Its good thing really love RCing because greenhorns would have given up long time ago Chris Allen Pittsburg CA Although enjoy Model Aviation disappointed aggravated totally honest little mad after reading guest editorial April 1985 edition got impression guest editor little envious skill level required fly Pattern Racing ship particularly disturbed remark us fly Pattern Racing models cannot under stand needs beginners us start somewhere us successful first flying session totally mishaps save breaking couple props hangup Antic Bipes Sopwith Pups fine Go sport enjoy covers variety aircraft types varying skill requirements Once beginner present have six trainees has reached skill level competently fly trainer respect choice models continue assist long think needs Instructors determined type aircraft fly Instructors born David C Lassiter Aulander NC Safety/Preston Continued page 20 radio expert among contributing editors Model Aviation last comment concerns radio inter ference Im also going buck George Myers Ive several let ters asking opinion RC chan nels should avoided because inter ference other channels really dont know answer However Radio Technique column ap peared April 1985 issue page 40 George did mention subject radio interference also referenced number previous columns discussed subject have ques tions about interference first check back issues magazine may find answers seek Also dont forget District Frequency Coordina tor people appointed pin point local problems names addresses can found head District VPs column AMA News section magazine Have another safe month John Preston 12235 Tilden wood Dr Rockville MD 20852 M lies-Atwood/Reese Continued page 30 airplane flew nicely another 30 seconds little nervous looped rolled about sky little green airplane needed just another foot altitude complete split-S told just wasnt day inspection didnt appear badly damaged landing gear bent lower cowl popped loose nothing else appeared broken repaired cowl 5-mm epoxy tried again time going touch As soon airbne Continued page 118 September 1985115
Edition: Model Aviation - 1985/09
Page Numbers: 8, 10, 12, 113, 115
Bill Effinger says Scratch-building WE Plan N Pattern sets way go get best designs complete Full-Size layouts parts drawings Bill Materials save up 50% over com parable kit costs SPAD C-XIII Capable Flyer ures Imagination 13-31 cu engines 79 Wingspan sq area Plan N Pattern Set #RCQS-8$2795 FOKKER TRIPLANE DR-i Giant 114 Scale RI C Design WW-l 78 150 cu Engines 72 Wingspan Triplane sq area Plan N Pattern Set #RCQS-6... $2495 Quarter Scale RIC SE-5A World Wan 0 78 22 Engines 80 Wingspan Sq Inches Area Plan N Pattern Set #RCQS-7 2495 Quarter Scale-Golden Age CURTIS FALCON- 114 Wingspan3168 sq area Quadra Size Engine Plan N Pattern Set #RCQS-13 . $2795 have past purchased Sets j admire engineering draft ing skills Albert E Rosnane Santa Rosa CA WACO SRE- Cabin Biplane RIC 52/a Wingspan sq area 19 40 Engines Plan N Pattern Set #RC8S-3 .. $1295 Best Ducted Fans SKYRAY F4D-i Plan Form 1 Scale Duct Fan RIC44 long RK-20 Fan Unit Plan N Pattern Set #RCDF-1 .. $1995 Prices Complete Plans Sub Assembly Detailed Parts Lists Add $200 Melliag Tube SEND OR SROCHURE 8e ahead crowd New Brochure showing new Plan Sets 1985 Send $100 its refundable first order WE Technical Services PO Box 76884-A Atlanta GA 30328 Woodys Electric B-24 Finally completed test flown model has markings B-24s flew Italy 1944-45 738 Sq 454 Gp 15 AF - mocl w 4 lb Power comes four Astro motors swinging three-bladed 8-6 props through 251 reductions Its covered -oz clear Micafilm over balsa planking Paint Formula U camouflage olive drab gray ship takes off about 100 ft flies believable speeds Sure brings back memories friends WS Woody Blanchard Jr Hampton VA Morrisey Bravo Tail Recall As result continuing flight test demonstration program have de cided reinforce vertical tail surface Sig -scale Bravo Kit No RC-57 better withstand high airspeed large engine vibration providing Bravo owners free kit containing plans materials build new tail surface modification kit also includes arrowshaft pushrod precise control replace flexible rudder pushrod originally specified Bravo owners requested call Continued page 10 34K40-FFC KitS3295 34K40C-FFC Asmbld$4295 Send $200 far ear eewplete cotelee ACE tows ore anoiloble ot year deolor yeu ardor direet odd $200 Hondling Fee lie w 16th St. use SilCA Hisglneellle MO 64037 alelse4-7121 ACE p 8 Model Aviation etters oThe Editor letters will carefully considered general interest used Send Mod el Aviation 1810 Samuel Morse Dr Reston VA 22090 e,se uaery important haa stand out back fast chai night charge rateICJ4LLY high quality standards have earned FFC right called THE BEST fast charger market today Designed 48V receiver 96V transmitter battery packs THE RADIO CONTROL BUYERS GUIDE new 9th edition now local hobby shop contains thousands photos product descriptions radio control raft Cars s ems nes ware Accessories s os RCBG single largest source infor mation RIO modeling available Whether re advanced R/Cer eager novice RCBG will master reference So before plunk down hard earned cashLook Before Buy available locally may send $995 plus $175 shipping Radio Control Buyers Guide Dept 100 Clifton House Clifton VA 22024 sure indicate street address II I II I I I I ii 1 III I I Sig toll-free WATS line 1-800247-5008 write letter specifying kit purchased modifi cation kit will sent immediately recommendation Bravos being flown should grounded vertical fin replaced new design Sig Mfg Co Inc Montezuma IA 50171 Guest Editorial Trainer Controversy Regarding guest editorial April issue seems may need some lessons diplomacy because clubs best pilots said took slam against instructors apologize may have reacted similarly dont really consider slam call someone good top-notch flier certainly did single out instructors per se has long knownthatthe cream crop just about activity pro fession sport job seldom communicates teaches fledglings well mediocre matter being better able feel themselves fledglings shoes other can cant teach Regarding rebuttals aeronautical englneers experts what type airplane wing airfoil preferable trainer let say certainly claim league claim observant sociologist definitely know what have seen over many years symmetrical airfoil wing train er pure murder fledgling. three-channel planes easier fly four-channel planes back up what already knew polled both old-timers sport business end came up three-to-one agreement Jim Waterman San Antonio TX Jim Watermans guest editorial kicked off flurry mail offices some writers being highly incensed some actually praising fact someone concerned beginners interests Waterman hav ing set stage printing rep resentative sampling pro con letters received April guest editorial Jim Water man squarely target must write andtell him through strong ly agree what saying Reading comments sales arguments neutrally stable overpowered pseudo-train ers made wonder whether reading mind feel yet another factor adding problem Jim did mention though may have perceived Ill call macho factor unique model aviationbut probably reflection of forces work entire society first encountered back escapement reed days Continued page 12 10 Model Aviation LI I I I I II I I I I I il I I I I I Two TOP QUALITY Canard Kits w 1/5 SCALE WINGSPAN 6260 1/4 SCALE WINGSPAN 485 FASTANDSLEEK ENGINE 40-450 ALL BALSA0 ENGINE 35-45 FOAM CORE WING NELS 4-50 EASY TO BUILD0 CHANNELS 4 BALSA FUSELAGE IL $15995AND FLY RETAIL $12995 Now Available Wherever RIG Models Sold.or Write ST CROIX MODELS s PO BOX 2790 PARK FALLS WI 54552 MORE NEW KITS FROM 114 TWO DESIGNED FOR 05 ELECTRIC POWER RQIN SPORT SCALE 54 S PA N 425 sqAREA $4495 BILL WINTER design 58 SPAN 490 sqAREA $4795 AND TWO COMPETITION SAILPLANES N x hjflDAVEY SYSTEMS FCORPORATION ONE WOOD LANEMALVEENPA193S5 215644-6772 DEALER INQUIRIES INVITED PROPHET 941 995 SPAN 941 sq AREA 60-65 oz/sq WING LOADING $9995 PROPHET TWO METER 631 sqAREA 65-70 oz/sq WING LOADING $5395 YOUR SOURCE FOR HISTARTS THE RETRIEVER WINCHES ELECTRIC MO TORS AND OTHER QUIET FLIGHT SUPPLIES guy just gotten 10channel rig working well behind firebreathing Veco 45 wasted no time telling rudder wont turn contest jobas held 09-size compound escapement ship submit same mentality appears today 40powered 50-in bombs flown RCers beginners otherwise fear impression might made show up less demanding machine always thougJt hobby/sport individualists guys didnt follow crowd werent afraid own thing come feel have prove something building airplanes hot almost burn paint off wings What makes worse macho factor doesnt just prevent lot new comers learning fly successfully Ive lost count people Ive seen flying hot-rock stuff will never get beyondthe white-knuckle controlled crash landing stage because afraid build airplane will allow slow down relax develop set automatic responses Ill bet lot guys out would really rather fly Elder whatever wont fear comments might might made As Jim suggests no easy answer Indeed lot flak will thrown very people caught up problem way can see progress being made one-on-one devoted model ap proach Jim have committed ourselves Hopefully have lot company Robert Benjamin Olympia WA dont know what kind club Jim Waterman rather suspect describes very best fliers highly-adept hot dog fliers far removed beginner incapable empathy probably boiling mad Editor See Watermans letter issue claim laid-back Sunday flier knows about what student needs trainer experienced flier pure hogwash Lets lay blame students showing up field advanced trainers belongs Waterman hit major nose 1 Kit manufac turers advertise Ideal Trainer~ fact basic trainer 2 nonflying hobby shop owners/employees echo manufacturers advertising cause dont know better 3 gift non-flying family member 4 newcomer feels can anything buys what turns him Yes reasons advanced trainer being field lower-level model would desirable Maybe occasional instructor will recommend airplane little too advanced its exception rather rule Watermans discussion ideal model first flight extols virtues Continued page 113 12 Model Aviation Letters Editor Continued page 12 Old-Timer RC-Assist types powered Sailplane calm day also recommended lots dihedral made statement ailerons advantage advanced trainer Gosh far behind times can person strongly suggest rethink philosophy training new fliers standpoint aircraft type confluration Northern Virginia RC Club recommend stable high-wing tri cycle-gear type trainer Goldberg Eaglet variety etc ailerons have written training program student gradually progress capable After soloing new flier must continue fly under supervision qualified club pilot until can pass qualification flight check administered two qualified club pilots qualification flight check consists 1 Preflight inspec tion range check fueling 2 Engine start tuning 3 Taxi 4 Takeoff climb-out 5 Flyby over runway tracking straight line 6 Horizontal figure eights both directions 7 Inside loop 8 Two Immelmann turns 9 Stall reacover 10 Approach landing Rto Land Lto R 11 Simulated dead engine landing 12 Final landing After passing qualifica tion flight check flier free fly own qualified club pilot Lets get down nitty-gritty threechannel four-channel aircraft begin ners have instructing quite few years can attest isnt difference long takes someone learn way other final analysis instructor knows what hes doing can impart knowledge needed student able instill confi dence student h balks student ground before flight thing will go quite smoothly air regard exposing new flier modest aerobatics occasionally during training will stand 100% behind philosophy trainingand its certainly hot dogging student Showing new student loops rolls Immelmanns etc inthe course training helps break boredom otherwise endless rectangles figure eights student Ive thoroughly enjoyed confidence built same time Having model its back number times knowing recover will materially reduce ele ment panic should gust glitch some other unexpected event flip airplane over addition ailerons model isnt problem insofar weight concerned example lets look Goldberg Eaglet advertised April 1985 issue Im assuming Eaglet shown ad three-channel version wing area 450 sq divided 144 converts 312 sq ft listed flying weight 48 oz divided 312 equals wing loading approximately 15 oz per sq ft think well agree wing loading 15 oz makes pretty good basic trainer Lets add ailerons According scale extra gear necessary produce fourchannel Eaglet comes just about 4 oz Available & L PAN AMERICAN INTL GJ HOBBIES SIG MPG RIO AEREO ENGINES P21 SE-FI P21 RE-FI P40 SE-FI P40 PYLON RE-RI P45 SE-FI P60 SE-FI P60 RE-FI P80 SE-FI P80 R.E-FI P65 DUCTED FAN-RE-RI [P80 DUCTED FAN-RE-RI $5995 $6995 $6995 $8995 $7195 $10295 $10795 $11595 $11595 Imported CONDOR TRADING CO P 0 Box 3479 Mission Viejo CA 92690-1479 Dealer & Distributor Inquiries invited 714 768-5933 $11595 $11795 Prices subject change notice P60 giving flying weight 52 oz wing loading 166 oz per sq ft can assure difference between wing load ings 15 166 insignificant wing loading 166 well within acceptable envelope basic trainers wing loading club student success rate has outstandingno dropouts knowledge yes great majority start full house systems As hot airplanes student shows up hes told take home hang up year until hes ready Frankly cant conceive iitstructor being gross implied guest editorial However people normal reflexes under guidance competent instruc torcan handle four channels very nicely Larry Paffitt Alexandria VA must commend April edition Model Aviation magazine articles month excellent wide range Continued page 115 NEW PRICES! P21 SE-Fl$8195 P21 RE-FI$8195 P45 RE-RI$9995 P65 RE-RI$11095 P80 RE-RI$11795 P90 RE-RI$14395 RIC CAR-BUGGY-TETHER CAR ENGINES P21 CAR-DELTA REFI$7995 P21 CAR REAR OR SE-FI$7295 P21 BUGGY REAR OR SE-FI$6995 TETHER CAR-RERI$11095 September 1985 113 MICROMOTORI RIO MARINE ENGINES model craft TOUCH UP AIR BRUSH ARISTO TEX COVERING MATERIAL LOW 2 METER ROLL $720 FOR DETAIL PAINTING OF AIRPLANE WINGS AND BOATS$4000 TACHOMElER W/LED READ OUT FOR EASY FIELD READING $4j rjj ACCURATE ENGINE RPM 12 PIECE WOOD CARVING SET HOBBYISTS/I QUICK HEAT SOLDERING GUN iPO WATT 21 PIECE TOOL SET US SIZE SCREWDRIVERS PLUS PHILLIPS HEX AND WRENCH TYPES $700 Ci TRIPLE HANDS WITH MAGNIFIER N EXTRA HELP IN ma HOLDING THOSEW SMALL PARTS WHILE$5 SOLDERING GLUING OR PAINTING MAGNIFIER LAMP WITH MULTI POSITION 39 $3000 / FLEXIBLE ARM 3 DIOPTER LENS FOR 4 liMES MAGNIFICATION Letters Editor Continued page 113 modeling interests first article would like comment guest editorial believe Mr Waterman expressed views ac tive instructors very well us spend flying time teaching others fly know what happens student pilot brings out wrong airplane takes twice long him learn fly dont believe however student cannot learn ship has ailerons Take Goldberg Eaglet example sincerely believe probably best trainer market have taught lots folks fly ailerons definitely hinderance learning process dont feel need go back days Smog Hog applaud Mr Watermans views keeping things simple beginner Anthony Stevens Knoxville TN am writing overwhelming apprecia tion guest editorial April 1985 issue Jim Waterman really enoyed Frankly stand behind him 100% Let explain first trainer Little Stik 6-ft wing flatbottomed airfoil polydihedral 576 sq area truly basic trainer would recover full stall about 10 ft plane crashed servo arm rudder came off turn left full rudder locked-in friend gave Box Fly 20 put big wing it flew better Loops spins snaps could flown yet stable Old-Timer wing broke using glider fuselage switched nodihedral fully-symmetrical-airfoil wing ailerons needed larger power plant got wasnt ready second airplane guest editorial called bumped about quite bit During winter fixed up after wards could fly much better However still herkey-jerkey ailerons doing better before crashed five times first switched ailerons took year lots patience really bruised ego learn tt fly Dont think stayed basic trainer never crashed due pilot error would have faster learning session Its good thing really love RCing because greenhorns would have given up long time ago Chris Allen Pittsburg CA Although enjoy Model Aviation disappointed aggravated totally honest little mad after reading guest editorial April 1985 edition got impression guest editor little envious skill level required fly Pattern Racing ship particularly disturbed remark us fly Pattern Racing models cannot under stand needs beginners us start somewhere us successful first flying session totally mishaps save breaking couple props hangup Antic Bipes Sopwith Pups fine Go sport enjoy covers variety aircraft types varying skill requirements Once beginner present have six trainees has reached skill level competently fly trainer respect choice models continue assist long think needs Instructors determined type aircraft fly Instructors born David C Lassiter Aulander NC Safety/Preston Continued page 20 radio expert among contributing editors Model Aviation last comment concerns radio inter ference Im also going buck George Myers Ive several let ters asking opinion RC chan nels should avoided because inter ference other channels really dont know answer However Radio Technique column ap peared April 1985 issue page 40 George did mention subject radio interference also referenced number previous columns discussed subject have ques tions about interference first check back issues magazine may find answers seek Also dont forget District Frequency Coordina tor people appointed pin point local problems names addresses can found head District VPs column AMA News section magazine Have another safe month John Preston 12235 Tilden wood Dr Rockville MD 20852 M lies-Atwood/Reese Continued page 30 airplane flew nicely another 30 seconds little nervous looped rolled about sky little green airplane needed just another foot altitude complete split-S told just wasnt day inspection didnt appear badly damaged landing gear bent lower cowl popped loose nothing else appeared broken repaired cowl 5-mm epoxy tried again time going touch As soon airbne Continued page 118 September 1985115
Edition: Model Aviation - 1985/09
Page Numbers: 8, 10, 12, 113, 115
Bill Effinger says Scratch-building WE Plan N Pattern sets way go get best designs complete Full-Size layouts parts drawings Bill Materials save up 50% over com parable kit costs SPAD C-XIII Capable Flyer ures Imagination 13-31 cu engines 79 Wingspan sq area Plan N Pattern Set #RCQS-8$2795 FOKKER TRIPLANE DR-i Giant 114 Scale RI C Design WW-l 78 150 cu Engines 72 Wingspan Triplane sq area Plan N Pattern Set #RCQS-6... $2495 Quarter Scale RIC SE-5A World Wan 0 78 22 Engines 80 Wingspan Sq Inches Area Plan N Pattern Set #RCQS-7 2495 Quarter Scale-Golden Age CURTIS FALCON- 114 Wingspan3168 sq area Quadra Size Engine Plan N Pattern Set #RCQS-13 . $2795 have past purchased Sets j admire engineering draft ing skills Albert E Rosnane Santa Rosa CA WACO SRE- Cabin Biplane RIC 52/a Wingspan sq area 19 40 Engines Plan N Pattern Set #RC8S-3 .. $1295 Best Ducted Fans SKYRAY F4D-i Plan Form 1 Scale Duct Fan RIC44 long RK-20 Fan Unit Plan N Pattern Set #RCDF-1 .. $1995 Prices Complete Plans Sub Assembly Detailed Parts Lists Add $200 Melliag Tube SEND OR SROCHURE 8e ahead crowd New Brochure showing new Plan Sets 1985 Send $100 its refundable first order WE Technical Services PO Box 76884-A Atlanta GA 30328 Woodys Electric B-24 Finally completed test flown model has markings B-24s flew Italy 1944-45 738 Sq 454 Gp 15 AF - mocl w 4 lb Power comes four Astro motors swinging three-bladed 8-6 props through 251 reductions Its covered -oz clear Micafilm over balsa planking Paint Formula U camouflage olive drab gray ship takes off about 100 ft flies believable speeds Sure brings back memories friends WS Woody Blanchard Jr Hampton VA Morrisey Bravo Tail Recall As result continuing flight test demonstration program have de cided reinforce vertical tail surface Sig -scale Bravo Kit No RC-57 better withstand high airspeed large engine vibration providing Bravo owners free kit containing plans materials build new tail surface modification kit also includes arrowshaft pushrod precise control replace flexible rudder pushrod originally specified Bravo owners requested call Continued page 10 34K40-FFC KitS3295 34K40C-FFC Asmbld$4295 Send $200 far ear eewplete cotelee ACE tows ore anoiloble ot year deolor yeu ardor direet odd $200 Hondling Fee lie w 16th St. use SilCA Hisglneellle MO 64037 alelse4-7121 ACE p 8 Model Aviation etters oThe Editor letters will carefully considered general interest used Send Mod el Aviation 1810 Samuel Morse Dr Reston VA 22090 e,se uaery important haa stand out back fast chai night charge rateICJ4LLY high quality standards have earned FFC right called THE BEST fast charger market today Designed 48V receiver 96V transmitter battery packs THE RADIO CONTROL BUYERS GUIDE new 9th edition now local hobby shop contains thousands photos product descriptions radio control raft Cars s ems nes ware Accessories s os RCBG single largest source infor mation RIO modeling available Whether re advanced R/Cer eager novice RCBG will master reference So before plunk down hard earned cashLook Before Buy available locally may send $995 plus $175 shipping Radio Control Buyers Guide Dept 100 Clifton House Clifton VA 22024 sure indicate street address II I II I I I I ii 1 III I I Sig toll-free WATS line 1-800247-5008 write letter specifying kit purchased modifi cation kit will sent immediately recommendation Bravos being flown should grounded vertical fin replaced new design Sig Mfg Co Inc Montezuma IA 50171 Guest Editorial Trainer Controversy Regarding guest editorial April issue seems may need some lessons diplomacy because clubs best pilots said took slam against instructors apologize may have reacted similarly dont really consider slam call someone good top-notch flier certainly did single out instructors per se has long knownthatthe cream crop just about activity pro fession sport job seldom communicates teaches fledglings well mediocre matter being better able feel themselves fledglings shoes other can cant teach Regarding rebuttals aeronautical englneers experts what type airplane wing airfoil preferable trainer let say certainly claim league claim observant sociologist definitely know what have seen over many years symmetrical airfoil wing train er pure murder fledgling. three-channel planes easier fly four-channel planes back up what already knew polled both old-timers sport business end came up three-to-one agreement Jim Waterman San Antonio TX Jim Watermans guest editorial kicked off flurry mail offices some writers being highly incensed some actually praising fact someone concerned beginners interests Waterman hav ing set stage printing rep resentative sampling pro con letters received April guest editorial Jim Water man squarely target must write andtell him through strong ly agree what saying Reading comments sales arguments neutrally stable overpowered pseudo-train ers made wonder whether reading mind feel yet another factor adding problem Jim did mention though may have perceived Ill call macho factor unique model aviationbut probably reflection of forces work entire society first encountered back escapement reed days Continued page 12 10 Model Aviation LI I I I I II I I I I I il I I I I I Two TOP QUALITY Canard Kits w 1/5 SCALE WINGSPAN 6260 1/4 SCALE WINGSPAN 485 FASTANDSLEEK ENGINE 40-450 ALL BALSA0 ENGINE 35-45 FOAM CORE WING NELS 4-50 EASY TO BUILD0 CHANNELS 4 BALSA FUSELAGE IL $15995AND FLY RETAIL $12995 Now Available Wherever RIG Models Sold.or Write ST CROIX MODELS s PO BOX 2790 PARK FALLS WI 54552 MORE NEW KITS FROM 114 TWO DESIGNED FOR 05 ELECTRIC POWER RQIN SPORT SCALE 54 S PA N 425 sqAREA $4495 BILL WINTER design 58 SPAN 490 sqAREA $4795 AND TWO COMPETITION SAILPLANES N x hjflDAVEY SYSTEMS FCORPORATION ONE WOOD LANEMALVEENPA193S5 215644-6772 DEALER INQUIRIES INVITED PROPHET 941 995 SPAN 941 sq AREA 60-65 oz/sq WING LOADING $9995 PROPHET TWO METER 631 sqAREA 65-70 oz/sq WING LOADING $5395 YOUR SOURCE FOR HISTARTS THE RETRIEVER WINCHES ELECTRIC MO TORS AND OTHER QUIET FLIGHT SUPPLIES guy just gotten 10channel rig working well behind firebreathing Veco 45 wasted no time telling rudder wont turn contest jobas held 09-size compound escapement ship submit same mentality appears today 40powered 50-in bombs flown RCers beginners otherwise fear impression might made show up less demanding machine always thougJt hobby/sport individualists guys didnt follow crowd werent afraid own thing come feel have prove something building airplanes hot almost burn paint off wings What makes worse macho factor doesnt just prevent lot new comers learning fly successfully Ive lost count people Ive seen flying hot-rock stuff will never get beyondthe white-knuckle controlled crash landing stage because afraid build airplane will allow slow down relax develop set automatic responses Ill bet lot guys out would really rather fly Elder whatever wont fear comments might might made As Jim suggests no easy answer Indeed lot flak will thrown very people caught up problem way can see progress being made one-on-one devoted model ap proach Jim have committed ourselves Hopefully have lot company Robert Benjamin Olympia WA dont know what kind club Jim Waterman rather suspect describes very best fliers highly-adept hot dog fliers far removed beginner incapable empathy probably boiling mad Editor See Watermans letter issue claim laid-back Sunday flier knows about what student needs trainer experienced flier pure hogwash Lets lay blame students showing up field advanced trainers belongs Waterman hit major nose 1 Kit manufac turers advertise Ideal Trainer~ fact basic trainer 2 nonflying hobby shop owners/employees echo manufacturers advertising cause dont know better 3 gift non-flying family member 4 newcomer feels can anything buys what turns him Yes reasons advanced trainer being field lower-level model would desirable Maybe occasional instructor will recommend airplane little too advanced its exception rather rule Watermans discussion ideal model first flight extols virtues Continued page 113 12 Model Aviation Letters Editor Continued page 12 Old-Timer RC-Assist types powered Sailplane calm day also recommended lots dihedral made statement ailerons advantage advanced trainer Gosh far behind times can person strongly suggest rethink philosophy training new fliers standpoint aircraft type confluration Northern Virginia RC Club recommend stable high-wing tri cycle-gear type trainer Goldberg Eaglet variety etc ailerons have written training program student gradually progress capable After soloing new flier must continue fly under supervision qualified club pilot until can pass qualification flight check administered two qualified club pilots qualification flight check consists 1 Preflight inspec tion range check fueling 2 Engine start tuning 3 Taxi 4 Takeoff climb-out 5 Flyby over runway tracking straight line 6 Horizontal figure eights both directions 7 Inside loop 8 Two Immelmann turns 9 Stall reacover 10 Approach landing Rto Land Lto R 11 Simulated dead engine landing 12 Final landing After passing qualifica tion flight check flier free fly own qualified club pilot Lets get down nitty-gritty threechannel four-channel aircraft begin ners have instructing quite few years can attest isnt difference long takes someone learn way other final analysis instructor knows what hes doing can impart knowledge needed student able instill confi dence student h balks student ground before flight thing will go quite smoothly air regard exposing new flier modest aerobatics occasionally during training will stand 100% behind philosophy trainingand its certainly hot dogging student Showing new student loops rolls Immelmanns etc inthe course training helps break boredom otherwise endless rectangles figure eights student Ive thoroughly enjoyed confidence built same time Having model its back number times knowing recover will materially reduce ele ment panic should gust glitch some other unexpected event flip airplane over addition ailerons model isnt problem insofar weight concerned example lets look Goldberg Eaglet advertised April 1985 issue Im assuming Eaglet shown ad three-channel version wing area 450 sq divided 144 converts 312 sq ft listed flying weight 48 oz divided 312 equals wing loading approximately 15 oz per sq ft think well agree wing loading 15 oz makes pretty good basic trainer Lets add ailerons According scale extra gear necessary produce fourchannel Eaglet comes just about 4 oz Available & L PAN AMERICAN INTL GJ HOBBIES SIG MPG RIO AEREO ENGINES P21 SE-FI P21 RE-FI P40 SE-FI P40 PYLON RE-RI P45 SE-FI P60 SE-FI P60 RE-FI P80 SE-FI P80 R.E-FI P65 DUCTED FAN-RE-RI [P80 DUCTED FAN-RE-RI $5995 $6995 $6995 $8995 $7195 $10295 $10795 $11595 $11595 Imported CONDOR TRADING CO P 0 Box 3479 Mission Viejo CA 92690-1479 Dealer & Distributor Inquiries invited 714 768-5933 $11595 $11795 Prices subject change notice P60 giving flying weight 52 oz wing loading 166 oz per sq ft can assure difference between wing load ings 15 166 insignificant wing loading 166 well within acceptable envelope basic trainers wing loading club student success rate has outstandingno dropouts knowledge yes great majority start full house systems As hot airplanes student shows up hes told take home hang up year until hes ready Frankly cant conceive iitstructor being gross implied guest editorial However people normal reflexes under guidance competent instruc torcan handle four channels very nicely Larry Paffitt Alexandria VA must commend April edition Model Aviation magazine articles month excellent wide range Continued page 115 NEW PRICES! P21 SE-Fl$8195 P21 RE-FI$8195 P45 RE-RI$9995 P65 RE-RI$11095 P80 RE-RI$11795 P90 RE-RI$14395 RIC CAR-BUGGY-TETHER CAR ENGINES P21 CAR-DELTA REFI$7995 P21 CAR REAR OR SE-FI$7295 P21 BUGGY REAR OR SE-FI$6995 TETHER CAR-RERI$11095 September 1985 113 MICROMOTORI RIO MARINE ENGINES model craft TOUCH UP AIR BRUSH ARISTO TEX COVERING MATERIAL LOW 2 METER ROLL $720 FOR DETAIL PAINTING OF AIRPLANE WINGS AND BOATS$4000 TACHOMElER W/LED READ OUT FOR EASY FIELD READING $4j rjj ACCURATE ENGINE RPM 12 PIECE WOOD CARVING SET HOBBYISTS/I QUICK HEAT SOLDERING GUN iPO WATT 21 PIECE TOOL SET US SIZE SCREWDRIVERS PLUS PHILLIPS HEX AND WRENCH TYPES $700 Ci TRIPLE HANDS WITH MAGNIFIER N EXTRA HELP IN ma HOLDING THOSEW SMALL PARTS WHILE$5 SOLDERING GLUING OR PAINTING MAGNIFIER LAMP WITH MULTI POSITION 39 $3000 / FLEXIBLE ARM 3 DIOPTER LENS FOR 4 liMES MAGNIFICATION Letters Editor Continued page 113 modeling interests first article would like comment guest editorial believe Mr Waterman expressed views ac tive instructors very well us spend flying time teaching others fly know what happens student pilot brings out wrong airplane takes twice long him learn fly dont believe however student cannot learn ship has ailerons Take Goldberg Eaglet example sincerely believe probably best trainer market have taught lots folks fly ailerons definitely hinderance learning process dont feel need go back days Smog Hog applaud Mr Watermans views keeping things simple beginner Anthony Stevens Knoxville TN am writing overwhelming apprecia tion guest editorial April 1985 issue Jim Waterman really enoyed Frankly stand behind him 100% Let explain first trainer Little Stik 6-ft wing flatbottomed airfoil polydihedral 576 sq area truly basic trainer would recover full stall about 10 ft plane crashed servo arm rudder came off turn left full rudder locked-in friend gave Box Fly 20 put big wing it flew better Loops spins snaps could flown yet stable Old-Timer wing broke using glider fuselage switched nodihedral fully-symmetrical-airfoil wing ailerons needed larger power plant got wasnt ready second airplane guest editorial called bumped about quite bit During winter fixed up after wards could fly much better However still herkey-jerkey ailerons doing better before crashed five times first switched ailerons took year lots patience really bruised ego learn tt fly Dont think stayed basic trainer never crashed due pilot error would have faster learning session Its good thing really love RCing because greenhorns would have given up long time ago Chris Allen Pittsburg CA Although enjoy Model Aviation disappointed aggravated totally honest little mad after reading guest editorial April 1985 edition got impression guest editor little envious skill level required fly Pattern Racing ship particularly disturbed remark us fly Pattern Racing models cannot under stand needs beginners us start somewhere us successful first flying session totally mishaps save breaking couple props hangup Antic Bipes Sopwith Pups fine Go sport enjoy covers variety aircraft types varying skill requirements Once beginner present have six trainees has reached skill level competently fly trainer respect choice models continue assist long think needs Instructors determined type aircraft fly Instructors born David C Lassiter Aulander NC Safety/Preston Continued page 20 radio expert among contributing editors Model Aviation last comment concerns radio inter ference Im also going buck George Myers Ive several let ters asking opinion RC chan nels should avoided because inter ference other channels really dont know answer However Radio Technique column ap peared April 1985 issue page 40 George did mention subject radio interference also referenced number previous columns discussed subject have ques tions about interference first check back issues magazine may find answers seek Also dont forget District Frequency Coordina tor people appointed pin point local problems names addresses can found head District VPs column AMA News section magazine Have another safe month John Preston 12235 Tilden wood Dr Rockville MD 20852 M lies-Atwood/Reese Continued page 30 airplane flew nicely another 30 seconds little nervous looped rolled about sky little green airplane needed just another foot altitude complete split-S told just wasnt day inspection didnt appear badly damaged landing gear bent lower cowl popped loose nothing else appeared broken repaired cowl 5-mm epoxy tried again time going touch As soon airbne Continued page 118 September 1985115
Edition: Model Aviation - 1985/09
Page Numbers: 8, 10, 12, 113, 115
Bill Effinger says Scratch-building WE Plan N Pattern sets way go get best designs complete Full-Size layouts parts drawings Bill Materials save up 50% over com parable kit costs SPAD C-XIII Capable Flyer ures Imagination 13-31 cu engines 79 Wingspan sq area Plan N Pattern Set #RCQS-8$2795 FOKKER TRIPLANE DR-i Giant 114 Scale RI C Design WW-l 78 150 cu Engines 72 Wingspan Triplane sq area Plan N Pattern Set #RCQS-6... $2495 Quarter Scale RIC SE-5A World Wan 0 78 22 Engines 80 Wingspan Sq Inches Area Plan N Pattern Set #RCQS-7 2495 Quarter Scale-Golden Age CURTIS FALCON- 114 Wingspan3168 sq area Quadra Size Engine Plan N Pattern Set #RCQS-13 . $2795 have past purchased Sets j admire engineering draft ing skills Albert E Rosnane Santa Rosa CA WACO SRE- Cabin Biplane RIC 52/a Wingspan sq area 19 40 Engines Plan N Pattern Set #RC8S-3 .. $1295 Best Ducted Fans SKYRAY F4D-i Plan Form 1 Scale Duct Fan RIC44 long RK-20 Fan Unit Plan N Pattern Set #RCDF-1 .. $1995 Prices Complete Plans Sub Assembly Detailed Parts Lists Add $200 Melliag Tube SEND OR SROCHURE 8e ahead crowd New Brochure showing new Plan Sets 1985 Send $100 its refundable first order WE Technical Services PO Box 76884-A Atlanta GA 30328 Woodys Electric B-24 Finally completed test flown model has markings B-24s flew Italy 1944-45 738 Sq 454 Gp 15 AF - mocl w 4 lb Power comes four Astro motors swinging three-bladed 8-6 props through 251 reductions Its covered -oz clear Micafilm over balsa planking Paint Formula U camouflage olive drab gray ship takes off about 100 ft flies believable speeds Sure brings back memories friends WS Woody Blanchard Jr Hampton VA Morrisey Bravo Tail Recall As result continuing flight test demonstration program have de cided reinforce vertical tail surface Sig -scale Bravo Kit No RC-57 better withstand high airspeed large engine vibration providing Bravo owners free kit containing plans materials build new tail surface modification kit also includes arrowshaft pushrod precise control replace flexible rudder pushrod originally specified Bravo owners requested call Continued page 10 34K40-FFC KitS3295 34K40C-FFC Asmbld$4295 Send $200 far ear eewplete cotelee ACE tows ore anoiloble ot year deolor yeu ardor direet odd $200 Hondling Fee lie w 16th St. use SilCA Hisglneellle MO 64037 alelse4-7121 ACE p 8 Model Aviation etters oThe Editor letters will carefully considered general interest used Send Mod el Aviation 1810 Samuel Morse Dr Reston VA 22090 e,se uaery important haa stand out back fast chai night charge rateICJ4LLY high quality standards have earned FFC right called THE BEST fast charger market today Designed 48V receiver 96V transmitter battery packs THE RADIO CONTROL BUYERS GUIDE new 9th edition now local hobby shop contains thousands photos product descriptions radio control raft Cars s ems nes ware Accessories s os RCBG single largest source infor mation RIO modeling available Whether re advanced R/Cer eager novice RCBG will master reference So before plunk down hard earned cashLook Before Buy available locally may send $995 plus $175 shipping Radio Control Buyers Guide Dept 100 Clifton House Clifton VA 22024 sure indicate street address II I II I I I I ii 1 III I I Sig toll-free WATS line 1-800247-5008 write letter specifying kit purchased modifi cation kit will sent immediately recommendation Bravos being flown should grounded vertical fin replaced new design Sig Mfg Co Inc Montezuma IA 50171 Guest Editorial Trainer Controversy Regarding guest editorial April issue seems may need some lessons diplomacy because clubs best pilots said took slam against instructors apologize may have reacted similarly dont really consider slam call someone good top-notch flier certainly did single out instructors per se has long knownthatthe cream crop just about activity pro fession sport job seldom communicates teaches fledglings well mediocre matter being better able feel themselves fledglings shoes other can cant teach Regarding rebuttals aeronautical englneers experts what type airplane wing airfoil preferable trainer let say certainly claim league claim observant sociologist definitely know what have seen over many years symmetrical airfoil wing train er pure murder fledgling. three-channel planes easier fly four-channel planes back up what already knew polled both old-timers sport business end came up three-to-one agreement Jim Waterman San Antonio TX Jim Watermans guest editorial kicked off flurry mail offices some writers being highly incensed some actually praising fact someone concerned beginners interests Waterman hav ing set stage printing rep resentative sampling pro con letters received April guest editorial Jim Water man squarely target must write andtell him through strong ly agree what saying Reading comments sales arguments neutrally stable overpowered pseudo-train ers made wonder whether reading mind feel yet another factor adding problem Jim did mention though may have perceived Ill call macho factor unique model aviationbut probably reflection of forces work entire society first encountered back escapement reed days Continued page 12 10 Model Aviation LI I I I I II I I I I I il I I I I I Two TOP QUALITY Canard Kits w 1/5 SCALE WINGSPAN 6260 1/4 SCALE WINGSPAN 485 FASTANDSLEEK ENGINE 40-450 ALL BALSA0 ENGINE 35-45 FOAM CORE WING NELS 4-50 EASY TO BUILD0 CHANNELS 4 BALSA FUSELAGE IL $15995AND FLY RETAIL $12995 Now Available Wherever RIG Models Sold.or Write ST CROIX MODELS s PO BOX 2790 PARK FALLS WI 54552 MORE NEW KITS FROM 114 TWO DESIGNED FOR 05 ELECTRIC POWER RQIN SPORT SCALE 54 S PA N 425 sqAREA $4495 BILL WINTER design 58 SPAN 490 sqAREA $4795 AND TWO COMPETITION SAILPLANES N x hjflDAVEY SYSTEMS FCORPORATION ONE WOOD LANEMALVEENPA193S5 215644-6772 DEALER INQUIRIES INVITED PROPHET 941 995 SPAN 941 sq AREA 60-65 oz/sq WING LOADING $9995 PROPHET TWO METER 631 sqAREA 65-70 oz/sq WING LOADING $5395 YOUR SOURCE FOR HISTARTS THE RETRIEVER WINCHES ELECTRIC MO TORS AND OTHER QUIET FLIGHT SUPPLIES guy just gotten 10channel rig working well behind firebreathing Veco 45 wasted no time telling rudder wont turn contest jobas held 09-size compound escapement ship submit same mentality appears today 40powered 50-in bombs flown RCers beginners otherwise fear impression might made show up less demanding machine always thougJt hobby/sport individualists guys didnt follow crowd werent afraid own thing come feel have prove something building airplanes hot almost burn paint off wings What makes worse macho factor doesnt just prevent lot new comers learning fly successfully Ive lost count people Ive seen flying hot-rock stuff will never get beyondthe white-knuckle controlled crash landing stage because afraid build airplane will allow slow down relax develop set automatic responses Ill bet lot guys out would really rather fly Elder whatever wont fear comments might might made As Jim suggests no easy answer Indeed lot flak will thrown very people caught up problem way can see progress being made one-on-one devoted model ap proach Jim have committed ourselves Hopefully have lot company Robert Benjamin Olympia WA dont know what kind club Jim Waterman rather suspect describes very best fliers highly-adept hot dog fliers far removed beginner incapable empathy probably boiling mad Editor See Watermans letter issue claim laid-back Sunday flier knows about what student needs trainer experienced flier pure hogwash Lets lay blame students showing up field advanced trainers belongs Waterman hit major nose 1 Kit manufac turers advertise Ideal Trainer~ fact basic trainer 2 nonflying hobby shop owners/employees echo manufacturers advertising cause dont know better 3 gift non-flying family member 4 newcomer feels can anything buys what turns him Yes reasons advanced trainer being field lower-level model would desirable Maybe occasional instructor will recommend airplane little too advanced its exception rather rule Watermans discussion ideal model first flight extols virtues Continued page 113 12 Model Aviation Letters Editor Continued page 12 Old-Timer RC-Assist types powered Sailplane calm day also recommended lots dihedral made statement ailerons advantage advanced trainer Gosh far behind times can person strongly suggest rethink philosophy training new fliers standpoint aircraft type confluration Northern Virginia RC Club recommend stable high-wing tri cycle-gear type trainer Goldberg Eaglet variety etc ailerons have written training program student gradually progress capable After soloing new flier must continue fly under supervision qualified club pilot until can pass qualification flight check administered two qualified club pilots qualification flight check consists 1 Preflight inspec tion range check fueling 2 Engine start tuning 3 Taxi 4 Takeoff climb-out 5 Flyby over runway tracking straight line 6 Horizontal figure eights both directions 7 Inside loop 8 Two Immelmann turns 9 Stall reacover 10 Approach landing Rto Land Lto R 11 Simulated dead engine landing 12 Final landing After passing qualifica tion flight check flier free fly own qualified club pilot Lets get down nitty-gritty threechannel four-channel aircraft begin ners have instructing quite few years can attest isnt difference long takes someone learn way other final analysis instructor knows what hes doing can impart knowledge needed student able instill confi dence student h balks student ground before flight thing will go quite smoothly air regard exposing new flier modest aerobatics occasionally during training will stand 100% behind philosophy trainingand its certainly hot dogging student Showing new student loops rolls Immelmanns etc inthe course training helps break boredom otherwise endless rectangles figure eights student Ive thoroughly enjoyed confidence built same time Having model its back number times knowing recover will materially reduce ele ment panic should gust glitch some other unexpected event flip airplane over addition ailerons model isnt problem insofar weight concerned example lets look Goldberg Eaglet advertised April 1985 issue Im assuming Eaglet shown ad three-channel version wing area 450 sq divided 144 converts 312 sq ft listed flying weight 48 oz divided 312 equals wing loading approximately 15 oz per sq ft think well agree wing loading 15 oz makes pretty good basic trainer Lets add ailerons According scale extra gear necessary produce fourchannel Eaglet comes just about 4 oz Available & L PAN AMERICAN INTL GJ HOBBIES SIG MPG RIO AEREO ENGINES P21 SE-FI P21 RE-FI P40 SE-FI P40 PYLON RE-RI P45 SE-FI P60 SE-FI P60 RE-FI P80 SE-FI P80 R.E-FI P65 DUCTED FAN-RE-RI [P80 DUCTED FAN-RE-RI $5995 $6995 $6995 $8995 $7195 $10295 $10795 $11595 $11595 Imported CONDOR TRADING CO P 0 Box 3479 Mission Viejo CA 92690-1479 Dealer & Distributor Inquiries invited 714 768-5933 $11595 $11795 Prices subject change notice P60 giving flying weight 52 oz wing loading 166 oz per sq ft can assure difference between wing load ings 15 166 insignificant wing loading 166 well within acceptable envelope basic trainers wing loading club student success rate has outstandingno dropouts knowledge yes great majority start full house systems As hot airplanes student shows up hes told take home hang up year until hes ready Frankly cant conceive iitstructor being gross implied guest editorial However people normal reflexes under guidance competent instruc torcan handle four channels very nicely Larry Paffitt Alexandria VA must commend April edition Model Aviation magazine articles month excellent wide range Continued page 115 NEW PRICES! P21 SE-Fl$8195 P21 RE-FI$8195 P45 RE-RI$9995 P65 RE-RI$11095 P80 RE-RI$11795 P90 RE-RI$14395 RIC CAR-BUGGY-TETHER CAR ENGINES P21 CAR-DELTA REFI$7995 P21 CAR REAR OR SE-FI$7295 P21 BUGGY REAR OR SE-FI$6995 TETHER CAR-RERI$11095 September 1985 113 MICROMOTORI RIO MARINE ENGINES model craft TOUCH UP AIR BRUSH ARISTO TEX COVERING MATERIAL LOW 2 METER ROLL $720 FOR DETAIL PAINTING OF AIRPLANE WINGS AND BOATS$4000 TACHOMElER W/LED READ OUT FOR EASY FIELD READING $4j rjj ACCURATE ENGINE RPM 12 PIECE WOOD CARVING SET HOBBYISTS/I QUICK HEAT SOLDERING GUN iPO WATT 21 PIECE TOOL SET US SIZE SCREWDRIVERS PLUS PHILLIPS HEX AND WRENCH TYPES $700 Ci TRIPLE HANDS WITH MAGNIFIER N EXTRA HELP IN ma HOLDING THOSEW SMALL PARTS WHILE$5 SOLDERING GLUING OR PAINTING MAGNIFIER LAMP WITH MULTI POSITION 39 $3000 / FLEXIBLE ARM 3 DIOPTER LENS FOR 4 liMES MAGNIFICATION Letters Editor Continued page 113 modeling interests first article would like comment guest editorial believe Mr Waterman expressed views ac tive instructors very well us spend flying time teaching others fly know what happens student pilot brings out wrong airplane takes twice long him learn fly dont believe however student cannot learn ship has ailerons Take Goldberg Eaglet example sincerely believe probably best trainer market have taught lots folks fly ailerons definitely hinderance learning process dont feel need go back days Smog Hog applaud Mr Watermans views keeping things simple beginner Anthony Stevens Knoxville TN am writing overwhelming apprecia tion guest editorial April 1985 issue Jim Waterman really enoyed Frankly stand behind him 100% Let explain first trainer Little Stik 6-ft wing flatbottomed airfoil polydihedral 576 sq area truly basic trainer would recover full stall about 10 ft plane crashed servo arm rudder came off turn left full rudder locked-in friend gave Box Fly 20 put big wing it flew better Loops spins snaps could flown yet stable Old-Timer wing broke using glider fuselage switched nodihedral fully-symmetrical-airfoil wing ailerons needed larger power plant got wasnt ready second airplane guest editorial called bumped about quite bit During winter fixed up after wards could fly much better However still herkey-jerkey ailerons doing better before crashed five times first switched ailerons took year lots patience really bruised ego learn tt fly Dont think stayed basic trainer never crashed due pilot error would have faster learning session Its good thing really love RCing because greenhorns would have given up long time ago Chris Allen Pittsburg CA Although enjoy Model Aviation disappointed aggravated totally honest little mad after reading guest editorial April 1985 edition got impression guest editor little envious skill level required fly Pattern Racing ship particularly disturbed remark us fly Pattern Racing models cannot under stand needs beginners us start somewhere us successful first flying session totally mishaps save breaking couple props hangup Antic Bipes Sopwith Pups fine Go sport enjoy covers variety aircraft types varying skill requirements Once beginner present have six trainees has reached skill level competently fly trainer respect choice models continue assist long think needs Instructors determined type aircraft fly Instructors born David C Lassiter Aulander NC Safety/Preston Continued page 20 radio expert among contributing editors Model Aviation last comment concerns radio inter ference Im also going buck George Myers Ive several let ters asking opinion RC chan nels should avoided because inter ference other channels really dont know answer However Radio Technique column ap peared April 1985 issue page 40 George did mention subject radio interference also referenced number previous columns discussed subject have ques tions about interference first check back issues magazine may find answers seek Also dont forget District Frequency Coordina tor people appointed pin point local problems names addresses can found head District VPs column AMA News section magazine Have another safe month John Preston 12235 Tilden wood Dr Rockville MD 20852 M lies-Atwood/Reese Continued page 30 airplane flew nicely another 30 seconds little nervous looped rolled about sky little green airplane needed just another foot altitude complete split-S told just wasnt day inspection didnt appear badly damaged landing gear bent lower cowl popped loose nothing else appeared broken repaired cowl 5-mm epoxy tried again time going touch As soon airbne Continued page 118 September 1985115