GeMMyer Radio SOME NEWS about flying over Long Island NY subject matter column month may seem far removed usual treatment various technical aspects asso ciated hobby youll bear Ill make point later have recently retired job aerospace industry fact supposed give time flying RC models friend Nick Ziroli called up invited accompany him visit Manorville RC Flyers SMRCF AMA chartered club No 2161 learn about new airfield accepted offer have sorts RC flying fields Long Island Some folks fly over vacant lots permission owner Other folks rent unused property several fields provided service various state county park facilities come SMRCF renting various undeveloped properties its members became tired being displaced periodically As background what follows should know Long Island has already developed few undeveloped areas get developed soon someone gets over permit hurdles Additionally recognizing Long Island rapidly losing its rural suburban character county governments moving take over remaining undeveloped areas use wildlife refuges parks rainwater recharge areas Long Island has best fresh water world years because Long Island basically 120-mile-long sandbar also known worlds largest freshwater filter Faced above situation corporation formed buy derelict 34-acre farm plan develop RC airport operate long possible pressure surrounding developments forced end RC flying sell take profits done SMRCF now operating its own 30 x 300-ft paved runway Several amenities have added such electrification water pump buried sprinider system toilet Further improve ments planned farmhouse being rented produces income Club dues $375 per year time corporation expects retire mortgage property term five years purchase price facility looks large break down among reasonably sized group investors manageable isnt novel idea main purpose WRAMs show build up fund whereby WRAMs could purchase flying field Last year visiting friend George P Steiner took visit club Sacramento Valley Fliers has similar situation California Its field has much better development being few years longer existence may write up future column However column about Long Nick Zirolis Quadra-powered Stearman PT-i 7L Manorville Long island field its first fiight Some detalis have yet added such dummy engine wing struts Pians avaiiabie $27 Nick Ziroil Pians 29 Edgar Dr Smithtown NY 11787 Tom Wenzeii R instalis iift struts Sig Cub Tom using inventions table extension chocks modeis wheeis ieaves pienty working room vicinity iower lift strut attaching boit makes vexing task much easier Stan Harris Goidberg Eagie L occasion Stans Eagles first fiight Acting test piiot/instructor i found Eagie can nice first airpiane beginners big enough easiiy seen fiies siowlythat nervous beginner shouid abie keep up Tom Wenzeii Lee Beriette use Accutach II checkthe static rpm smoke-equipped Sig clippedwing Cub R its OS Surpass four-stroke engine has plenty power kind aerobatics 34 Model Aviation Island Now example undeveloped property field Grumman Wingnutz took Stan Harris first flights hes photos square mowed out underbrush otherwise undeveloped piece land Any improvements would no doubt crease owners taxes improvement strip carpet pit floor carpet keeps some sand remember Long Island sandbar out airplanes field kits major attraction Wingnutz field surrounded sod farm unimproved property makes ideal test flights long member Grumman RC club Stan Next visited field Sky Hawks primarily quarter-scale club Tommy Weuzell invited see really nice field followed him nice fly over sod Continued page 126 Introducing our new state-of-the-art receiver youve waiting for. Model 91 SEVEN CHANNEL DUAL CONVERSION NARROW BAND RECEIVER state-of-the-art design has selectivity necessary reject adjacent channel signals 10kHz away plus sensitivity provide range necessary demanding R/C applications Equally important receiver has capability proper operation presence Third Order Products destructive gremlin results intermixing two signals will work modem AM transmitter will operate modem positive pulse three wire servo seven channnel operation Available kit form assembled 12G91 M91 Rx Kit LConn 12G91C M91 Ilx Aibid LlCorm 12G91CD M91 Rx Asbid W/Deans 1ZG9TCF M91 Rx Asbid W/Futaba See dealer Complete Catalog $2 00 ______ direct orders add $2 00 AceR/CIncll6W l9thStPOBox5IlE41 1 Higgmavdle MO 64037 816 584 7121 zm APPLIED DESIGN CORPORATION 738 Penn St El Segundo CA 90245 MINI ER ADJUSTABLE TENSION HAND BELT SANDER FIRMLY HOLDS PAPER FOR EASIER SANDING Padded flats cmnves $255 MINI-STRIPSPRECISION DIE-CUT Medium Garnet SAVES TIME REPLACEMENTFine Garnet AND EFFORT $175 SANDING BELTS AssId Water Preel ~ TEE ALUMINUM EXTRUSION SANDING BLOCK N hr use wIth RUFF-STUFF -SaII-adlieelve seed paper LarD Tnhe Seitece WeeIWeerOet 11 Inch82M HandyteUse 22lnch$37U RUFF 6 STUFF SELF ADHESIVE SHEET SANDPAPER MAKE YOUR OWN SPECIAL SANDING SHAPES Na measy ehine er divine thlW*1fl0 Medium Fine r Fine~ MINIAisAw $733 COMPACT 10 inch HACK SAW SAWS ANYTHING ANYWHERE rugged die-cast learn tewlertaMe chip-preet plastic insent handle Receding em ad justable B blade elena geed mark accaaa Cuts weed plastic metal HARDENED MUSIC WIRE eatra hlades-31$199 Add 20% postage Send 25 catIog $7995 $9995 $10995 $10995 September 1987 35 I-ranktacnlralll Jr hIaDlablo Heisone newcomers progresses fast builds f lies much oldtimers get jealous What caught myeye Geometron transmitter tray tried think might get used Frank says Its best use comes trying manage 6 7 8 control functions once ROUSH KITS TaylorCraft Full epan 100 Area 1670 Clipped 64 Area 1300 Power 75 12 eu Balee te Ply 1012 lbs $9995 Super Sport 120 Span 73 Area 960 Power 75 12 Cu IC $9995 Super Kwik Fli Span 70 Area 927 Power 75 12 Cu $8995 Everyday Scale P51 Span 76 Area 830 Power 75 12 eu ifl $9995 Jr Sticks Span 72 Area 1080 Power 75 12 CU $6995 Coming Seen 80AT-6 Prices Include Shipping Direct Sales Only e Send $1 Cetalog ROUSH MFG 1726 Dywood St SE Cantos Ohio 44707 21* 4644610 Tom Hunt latest design 18-az hand-launched Sailplane called Con sortium Tom uses Interesting technique tocreatetheverylightflberglasssheil forms fuselage Look article near future DIGITAL Add 5200 tsr MULTIMETER OHMS LOAD PROTECTION iM fl BATTERY INDICATION Kii- BATTERY INCLUDED BLAIR CRAFT SCIENTIFIC INC 2087 New York Acence Hcnlnntnn Storms NY 11746 VISA 516 545-1571 o Free Price Sosting Boying Gcide Electronic GOODIES INCLUDING NICADS & CHARGERS O Enclsned roy ctreck ChargetornyOVlSA DMC DAMEX Acot C__________________ Cerd Holdern Name Name Addrenn trailing edge panel other will up off block modified Airtronics releasable tow hook allow mounted inside fuselage rather outside reduces amount drag produced tow hook Bevel lower frame edges Dremel grinder shown photo Cut slot bottom fuselage allow hook protrude inside Sand down fiberglass bumps inside fuselage area tow hook idea let tow hook set low fuselage possible Next file aluminum hook down point will allow adequate tow ring clearance Screws nut-plates mounted usual use capture feature /16-in wire pin has added capture latch fill gap made filing down hook use Super MonoKote finish surfaces except fuselage painted Whatever finish chosen sure keep weight buildup minimum Weight paint fuselage likely problem because its small surface area carbon fiber laminate shrinking covering wing can cause ripples develop trailing edge carbon fiber produces sharp dingresistant trailing edge does prevent becoming wavy thin airfoil have somewhat successful rec tifying problem clamping trailing edge straight between balsa strips reheating covering heat gun Radio installation will have follow procedure shown plans photos fairly closely much room variation because small space Aileron connect disconnect accomplished b-shaped wires servo engaging wing bellcranks connect ailerons wires simply dropped bellcrank holes wires retained position block bottom hatch hatch turn secured couple rubberbands stretched screw eye through paper-clip loop other screw eye inverted V-shape some planes have used small turnbuckles L wires get very fine trim ad justments ailerons Unfortunately nylon turnbuckles shown no longer available Metal turnbuckles could prob ably adapted same thing Proper aileron differential achieved selecting correct point connection servo wheel Start attaching couplers wheel near spot shown photo Fine-tuning differential done trial-and-error drilling holes wheel until right spot found Expect tuin couple wheels process spoilers hinged strip MonoKote ironed top side Spoiler lines made Goldberg YzA control line loops tied end slip over spindle servo arm spindle made eyelet attached servo arm lines threaded through screw eye guide directly servo spoiler end lines attached horns round toothpicks spoiler servo also pulls tow hook release nylon tube formed route line out way other linkage Ballast made up -in-OD x 2-in brass tube sections filled lead Lead shot can epoxied tubes melted poured tubes lead melted take proper precautionsmolten lead fumes deadly attempt absolutely certain what doing Trimming flying recommended control surface throws set initially per plans although throws may little sensitive some pilots Test fly would Sailplane Give some hand tosses get feel put up line Launches can highspeed moderately strong zoom re leases desired Experiment different trim settings find various usable speeds thermal searching thermal turning getting out sink Try out spoilers altitude very effective aware has very thin frontal profile tends dis appear coming directly going directly away distances too great can little unnerving model alternately ap pears disappears during thermal-turn ing certain positions way out simply takes some getting used also home slope capable riding smallest hills bal lasted flying strong lift highly maneuverable just plain fun fly Radio Technique/Myers Continued page 35 farm permission owner Flying stops few weeks year field being planted harvested small price pay ideal conditions enjoy rest year major attraction field near Spadaros airport includes Long Island Skydiving School As Tommy describes continuous air show what airplanes taking off landing parachutists floating down over place quarterscale models continuous action Hes right come GMAS field aka Grumman Athletic Association field Bob Aberle Tom Hunt Ron Farkas others lunchtime flying share space baseball diamonds soccer fields dogs golfers Fortunately other activities take place after work doesnt affect us As Grumman Corporation keeps building things field keeps getting smaller smaller As field diminishes size keep restricting size models smaller lighter packages what has prompted delightful 20-engined models have seen column time time also what has prompted Tom Hunt design Consortium 126 Model Aviation IORE POWEiITh WITH LESS NOISE four-cycle measuring up expectations read Make engine before Make 60 120 four-stroke less means 1 Quieter glow 2 More mellow sounding fourcycle 3 More usable power both 4 Highest power-to-weight ratio 5 The lowest idle ever 6 Increase mileage up 4 times 7 Runs cooler glow 8 No glowplugs fail 9 Increased reliability 10 Fuel available concentrate Conversion kits available 049 30 cid Schnuerle ported engines Its sim ple just change heads fuel What waiting Dust off two-cycle DIESELIZE Send self-addressed stamped enve lope $100 information call 203-877-1670 between 730 pm 930 pm EST Mon-Fri DAVIS DIESEL DEVELOPMENT PO Box 141 Milford CT 06460 leader quiet combustion 4 technology since 1976 J DCV ACY 05 LCD DISPLAY DCV 1OA iM fl INPUT IN SILENT FLIGHT PERFORMANCE WITH QUIE1 CLEAN 05 ELECTRIC OR 049 GAS POWER Use 05/075 electric motor direct reduced drive 049 engine fly sailplane will get great performance wide speed range kind weather proven PROPHET sailplane series modified E-193 airfoil kit features die machine cut selected balsa spruce plywood complete full-size rolled plans step-by-step detailed instructions hardware pre-packaged small parts pre-cut f use age sides quick sturdy construction LUCIFER 78 SPAN SQ IN AREA Z 2ilhlfl mntnr 2nd switch harness motor switch harness gear reducer Ibm 1K DAVEY TEMS CORPORATION ONE WOOD LANE MALVERN PA 19355 215 644-6772 MOTOR/HARNESS/REDUCERMOTOR/HARNESS seen pictures interested launching planes Upstart hand low-pressure sport flying simple competitions Bob Aberles EMF Electric Pylon Racer another machine designed limits small field fly couple restrictions First dont allow solo piloting pilot must accompanied observer keeps track moving obstacles like golfers kids dogs Most us have developed habit landing toward ourselves because allows us see airplane landing area same time Second dont allow test flights student solo flights because area surrounded roads parking lots full cars Third require effective mufflers engines Finally limit engine size 20 cu less above designed minimize risk damage injury occupants surrounding areas field gets smaller may have restrict things Helicopters tethered balloons young lad Long Island primarily potato-farm land farms derelict result Great Depression golden nematode quaran tine flew everything Free Flight models After World War II Mr Levitt showed world turn farmland thousands small homes returning GIs Levittown born imitators As fields grew smaller less numerous UControl took over constant drone unmuffled U-Control engines offended lot people has observed thatModel aviation grew vacant lots So did baseball difference takes 18 members staff baseball game team member usually backed two voting-age parents Small flying fields became Little League baseball diamonds As building continued lost field after fieldwhich has led situation described previously population Long Island ex ceeds some Western states yet can barely see United States map should give some idea population density field problem solved Reread opening paragraphs Mr Shockley invented transIstor Radio Control moved giass-tube-and escapement mode interesting pri marily experimenters cheap reliable IC packages enjoy today people saw radio control could assure models would last awhile major shift RC Recently ARF models have developed point virtually anyone can buy plane engine radio rightfully expect have success Model builders fewer number used same time active RCers used paying what get Thats change Personally think days free use vacant lots has just about run out future going cost money Soccer became big team sport US about 20 years ago flying fields least Long Island became favorite target people trying locate soccer fields arent going stop progress well just have cope overall message column Its what what youve got makes difference Write Let people know solve problem finding holding flying field Ive given lot hints ranging restricted hours sharing multi-use field buying field own AMA wants know field problems solutions AMA could get lot ofuseful informa tion next years AMA Charter renewal form simply included line description clubs flying field obtalned malntalned line isnt nothing stopping writing Getting holding fields major interest AMA Executive Council time should because flying fields wont need either AMA Execu tive Council flying fields wont much need Radio Technique think suitable subject column George M Myers 70 Froehlich Farm Rd Hicksville NY 11801 Learn/Schoenberg Continued page 38 using Zona saws scrap gluing sticks together Rounding out very full interesting Day 2 videos RC flying Sigs video its factory modeling demonstrations session proved just interesting some instructors sev eral still using pin Ambroid Testors Elmers etc slow-glu ing procedures students Day 3 students instructors alike September 1987127
Edition: Model Aviation - 1987/09
Page Numbers: 34, 35, 126, 127
GeMMyer Radio SOME NEWS about flying over Long Island NY subject matter column month may seem far removed usual treatment various technical aspects asso ciated hobby youll bear Ill make point later have recently retired job aerospace industry fact supposed give time flying RC models friend Nick Ziroli called up invited accompany him visit Manorville RC Flyers SMRCF AMA chartered club No 2161 learn about new airfield accepted offer have sorts RC flying fields Long Island Some folks fly over vacant lots permission owner Other folks rent unused property several fields provided service various state county park facilities come SMRCF renting various undeveloped properties its members became tired being displaced periodically As background what follows should know Long Island has already developed few undeveloped areas get developed soon someone gets over permit hurdles Additionally recognizing Long Island rapidly losing its rural suburban character county governments moving take over remaining undeveloped areas use wildlife refuges parks rainwater recharge areas Long Island has best fresh water world years because Long Island basically 120-mile-long sandbar also known worlds largest freshwater filter Faced above situation corporation formed buy derelict 34-acre farm plan develop RC airport operate long possible pressure surrounding developments forced end RC flying sell take profits done SMRCF now operating its own 30 x 300-ft paved runway Several amenities have added such electrification water pump buried sprinider system toilet Further improve ments planned farmhouse being rented produces income Club dues $375 per year time corporation expects retire mortgage property term five years purchase price facility looks large break down among reasonably sized group investors manageable isnt novel idea main purpose WRAMs show build up fund whereby WRAMs could purchase flying field Last year visiting friend George P Steiner took visit club Sacramento Valley Fliers has similar situation California Its field has much better development being few years longer existence may write up future column However column about Long Nick Zirolis Quadra-powered Stearman PT-i 7L Manorville Long island field its first fiight Some detalis have yet added such dummy engine wing struts Pians avaiiabie $27 Nick Ziroil Pians 29 Edgar Dr Smithtown NY 11787 Tom Wenzeii R instalis iift struts Sig Cub Tom using inventions table extension chocks modeis wheeis ieaves pienty working room vicinity iower lift strut attaching boit makes vexing task much easier Stan Harris Goidberg Eagie L occasion Stans Eagles first fiight Acting test piiot/instructor i found Eagie can nice first airpiane beginners big enough easiiy seen fiies siowlythat nervous beginner shouid abie keep up Tom Wenzeii Lee Beriette use Accutach II checkthe static rpm smoke-equipped Sig clippedwing Cub R its OS Surpass four-stroke engine has plenty power kind aerobatics 34 Model Aviation Island Now example undeveloped property field Grumman Wingnutz took Stan Harris first flights hes photos square mowed out underbrush otherwise undeveloped piece land Any improvements would no doubt crease owners taxes improvement strip carpet pit floor carpet keeps some sand remember Long Island sandbar out airplanes field kits major attraction Wingnutz field surrounded sod farm unimproved property makes ideal test flights long member Grumman RC club Stan Next visited field Sky Hawks primarily quarter-scale club Tommy Weuzell invited see really nice field followed him nice fly over sod Continued page 126 Introducing our new state-of-the-art receiver youve waiting for. Model 91 SEVEN CHANNEL DUAL CONVERSION NARROW BAND RECEIVER state-of-the-art design has selectivity necessary reject adjacent channel signals 10kHz away plus sensitivity provide range necessary demanding R/C applications Equally important receiver has capability proper operation presence Third Order Products destructive gremlin results intermixing two signals will work modem AM transmitter will operate modem positive pulse three wire servo seven channnel operation Available kit form assembled 12G91 M91 Rx Kit LConn 12G91C M91 Ilx Aibid LlCorm 12G91CD M91 Rx Asbid W/Deans 1ZG9TCF M91 Rx Asbid W/Futaba See dealer Complete Catalog $2 00 ______ direct orders add $2 00 AceR/CIncll6W l9thStPOBox5IlE41 1 Higgmavdle MO 64037 816 584 7121 zm APPLIED DESIGN CORPORATION 738 Penn St El Segundo CA 90245 MINI ER ADJUSTABLE TENSION HAND BELT SANDER FIRMLY HOLDS PAPER FOR EASIER SANDING Padded flats cmnves $255 MINI-STRIPSPRECISION DIE-CUT Medium Garnet SAVES TIME REPLACEMENTFine Garnet AND EFFORT $175 SANDING BELTS AssId Water Preel ~ TEE ALUMINUM EXTRUSION SANDING BLOCK N hr use wIth RUFF-STUFF -SaII-adlieelve seed paper LarD Tnhe Seitece WeeIWeerOet 11 Inch82M HandyteUse 22lnch$37U RUFF 6 STUFF SELF ADHESIVE SHEET SANDPAPER MAKE YOUR OWN SPECIAL SANDING SHAPES Na measy ehine er divine thlW*1fl0 Medium Fine r Fine~ MINIAisAw $733 COMPACT 10 inch HACK SAW SAWS ANYTHING ANYWHERE rugged die-cast learn tewlertaMe chip-preet plastic insent handle Receding em ad justable B blade elena geed mark accaaa Cuts weed plastic metal HARDENED MUSIC WIRE eatra hlades-31$199 Add 20% postage Send 25 catIog $7995 $9995 $10995 $10995 September 1987 35 I-ranktacnlralll Jr hIaDlablo Heisone newcomers progresses fast builds f lies much oldtimers get jealous What caught myeye Geometron transmitter tray tried think might get used Frank says Its best use comes trying manage 6 7 8 control functions once ROUSH KITS TaylorCraft Full epan 100 Area 1670 Clipped 64 Area 1300 Power 75 12 eu Balee te Ply 1012 lbs $9995 Super Sport 120 Span 73 Area 960 Power 75 12 Cu IC $9995 Super Kwik Fli Span 70 Area 927 Power 75 12 Cu $8995 Everyday Scale P51 Span 76 Area 830 Power 75 12 eu ifl $9995 Jr Sticks Span 72 Area 1080 Power 75 12 CU $6995 Coming Seen 80AT-6 Prices Include Shipping Direct Sales Only e Send $1 Cetalog ROUSH MFG 1726 Dywood St SE Cantos Ohio 44707 21* 4644610 Tom Hunt latest design 18-az hand-launched Sailplane called Con sortium Tom uses Interesting technique tocreatetheverylightflberglasssheil forms fuselage Look article near future DIGITAL Add 5200 tsr MULTIMETER OHMS LOAD PROTECTION iM fl BATTERY INDICATION Kii- BATTERY INCLUDED BLAIR CRAFT SCIENTIFIC INC 2087 New York Acence Hcnlnntnn Storms NY 11746 VISA 516 545-1571 o Free Price Sosting Boying Gcide Electronic GOODIES INCLUDING NICADS & CHARGERS O Enclsned roy ctreck ChargetornyOVlSA DMC DAMEX Acot C__________________ Cerd Holdern Name Name Addrenn trailing edge panel other will up off block modified Airtronics releasable tow hook allow mounted inside fuselage rather outside reduces amount drag produced tow hook Bevel lower frame edges Dremel grinder shown photo Cut slot bottom fuselage allow hook protrude inside Sand down fiberglass bumps inside fuselage area tow hook idea let tow hook set low fuselage possible Next file aluminum hook down point will allow adequate tow ring clearance Screws nut-plates mounted usual use capture feature /16-in wire pin has added capture latch fill gap made filing down hook use Super MonoKote finish surfaces except fuselage painted Whatever finish chosen sure keep weight buildup minimum Weight paint fuselage likely problem because its small surface area carbon fiber laminate shrinking covering wing can cause ripples develop trailing edge carbon fiber produces sharp dingresistant trailing edge does prevent becoming wavy thin airfoil have somewhat successful rec tifying problem clamping trailing edge straight between balsa strips reheating covering heat gun Radio installation will have follow procedure shown plans photos fairly closely much room variation because small space Aileron connect disconnect accomplished b-shaped wires servo engaging wing bellcranks connect ailerons wires simply dropped bellcrank holes wires retained position block bottom hatch hatch turn secured couple rubberbands stretched screw eye through paper-clip loop other screw eye inverted V-shape some planes have used small turnbuckles L wires get very fine trim ad justments ailerons Unfortunately nylon turnbuckles shown no longer available Metal turnbuckles could prob ably adapted same thing Proper aileron differential achieved selecting correct point connection servo wheel Start attaching couplers wheel near spot shown photo Fine-tuning differential done trial-and-error drilling holes wheel until right spot found Expect tuin couple wheels process spoilers hinged strip MonoKote ironed top side Spoiler lines made Goldberg YzA control line loops tied end slip over spindle servo arm spindle made eyelet attached servo arm lines threaded through screw eye guide directly servo spoiler end lines attached horns round toothpicks spoiler servo also pulls tow hook release nylon tube formed route line out way other linkage Ballast made up -in-OD x 2-in brass tube sections filled lead Lead shot can epoxied tubes melted poured tubes lead melted take proper precautionsmolten lead fumes deadly attempt absolutely certain what doing Trimming flying recommended control surface throws set initially per plans although throws may little sensitive some pilots Test fly would Sailplane Give some hand tosses get feel put up line Launches can highspeed moderately strong zoom re leases desired Experiment different trim settings find various usable speeds thermal searching thermal turning getting out sink Try out spoilers altitude very effective aware has very thin frontal profile tends dis appear coming directly going directly away distances too great can little unnerving model alternately ap pears disappears during thermal-turn ing certain positions way out simply takes some getting used also home slope capable riding smallest hills bal lasted flying strong lift highly maneuverable just plain fun fly Radio Technique/Myers Continued page 35 farm permission owner Flying stops few weeks year field being planted harvested small price pay ideal conditions enjoy rest year major attraction field near Spadaros airport includes Long Island Skydiving School As Tommy describes continuous air show what airplanes taking off landing parachutists floating down over place quarterscale models continuous action Hes right come GMAS field aka Grumman Athletic Association field Bob Aberle Tom Hunt Ron Farkas others lunchtime flying share space baseball diamonds soccer fields dogs golfers Fortunately other activities take place after work doesnt affect us As Grumman Corporation keeps building things field keeps getting smaller smaller As field diminishes size keep restricting size models smaller lighter packages what has prompted delightful 20-engined models have seen column time time also what has prompted Tom Hunt design Consortium 126 Model Aviation IORE POWEiITh WITH LESS NOISE four-cycle measuring up expectations read Make engine before Make 60 120 four-stroke less means 1 Quieter glow 2 More mellow sounding fourcycle 3 More usable power both 4 Highest power-to-weight ratio 5 The lowest idle ever 6 Increase mileage up 4 times 7 Runs cooler glow 8 No glowplugs fail 9 Increased reliability 10 Fuel available concentrate Conversion kits available 049 30 cid Schnuerle ported engines Its sim ple just change heads fuel What waiting Dust off two-cycle DIESELIZE Send self-addressed stamped enve lope $100 information call 203-877-1670 between 730 pm 930 pm EST Mon-Fri DAVIS DIESEL DEVELOPMENT PO Box 141 Milford CT 06460 leader quiet combustion 4 technology since 1976 J DCV ACY 05 LCD DISPLAY DCV 1OA iM fl INPUT IN SILENT FLIGHT PERFORMANCE WITH QUIE1 CLEAN 05 ELECTRIC OR 049 GAS POWER Use 05/075 electric motor direct reduced drive 049 engine fly sailplane will get great performance wide speed range kind weather proven PROPHET sailplane series modified E-193 airfoil kit features die machine cut selected balsa spruce plywood complete full-size rolled plans step-by-step detailed instructions hardware pre-packaged small parts pre-cut f use age sides quick sturdy construction LUCIFER 78 SPAN SQ IN AREA Z 2ilhlfl mntnr 2nd switch harness motor switch harness gear reducer Ibm 1K DAVEY TEMS CORPORATION ONE WOOD LANE MALVERN PA 19355 215 644-6772 MOTOR/HARNESS/REDUCERMOTOR/HARNESS seen pictures interested launching planes Upstart hand low-pressure sport flying simple competitions Bob Aberles EMF Electric Pylon Racer another machine designed limits small field fly couple restrictions First dont allow solo piloting pilot must accompanied observer keeps track moving obstacles like golfers kids dogs Most us have developed habit landing toward ourselves because allows us see airplane landing area same time Second dont allow test flights student solo flights because area surrounded roads parking lots full cars Third require effective mufflers engines Finally limit engine size 20 cu less above designed minimize risk damage injury occupants surrounding areas field gets smaller may have restrict things Helicopters tethered balloons young lad Long Island primarily potato-farm land farms derelict result Great Depression golden nematode quaran tine flew everything Free Flight models After World War II Mr Levitt showed world turn farmland thousands small homes returning GIs Levittown born imitators As fields grew smaller less numerous UControl took over constant drone unmuffled U-Control engines offended lot people has observed thatModel aviation grew vacant lots So did baseball difference takes 18 members staff baseball game team member usually backed two voting-age parents Small flying fields became Little League baseball diamonds As building continued lost field after fieldwhich has led situation described previously population Long Island ex ceeds some Western states yet can barely see United States map should give some idea population density field problem solved Reread opening paragraphs Mr Shockley invented transIstor Radio Control moved giass-tube-and escapement mode interesting pri marily experimenters cheap reliable IC packages enjoy today people saw radio control could assure models would last awhile major shift RC Recently ARF models have developed point virtually anyone can buy plane engine radio rightfully expect have success Model builders fewer number used same time active RCers used paying what get Thats change Personally think days free use vacant lots has just about run out future going cost money Soccer became big team sport US about 20 years ago flying fields least Long Island became favorite target people trying locate soccer fields arent going stop progress well just have cope overall message column Its what what youve got makes difference Write Let people know solve problem finding holding flying field Ive given lot hints ranging restricted hours sharing multi-use field buying field own AMA wants know field problems solutions AMA could get lot ofuseful informa tion next years AMA Charter renewal form simply included line description clubs flying field obtalned malntalned line isnt nothing stopping writing Getting holding fields major interest AMA Executive Council time should because flying fields wont need either AMA Execu tive Council flying fields wont much need Radio Technique think suitable subject column George M Myers 70 Froehlich Farm Rd Hicksville NY 11801 Learn/Schoenberg Continued page 38 using Zona saws scrap gluing sticks together Rounding out very full interesting Day 2 videos RC flying Sigs video its factory modeling demonstrations session proved just interesting some instructors sev eral still using pin Ambroid Testors Elmers etc slow-glu ing procedures students Day 3 students instructors alike September 1987127
Edition: Model Aviation - 1987/09
Page Numbers: 34, 35, 126, 127
GeMMyer Radio SOME NEWS about flying over Long Island NY subject matter column month may seem far removed usual treatment various technical aspects asso ciated hobby youll bear Ill make point later have recently retired job aerospace industry fact supposed give time flying RC models friend Nick Ziroli called up invited accompany him visit Manorville RC Flyers SMRCF AMA chartered club No 2161 learn about new airfield accepted offer have sorts RC flying fields Long Island Some folks fly over vacant lots permission owner Other folks rent unused property several fields provided service various state county park facilities come SMRCF renting various undeveloped properties its members became tired being displaced periodically As background what follows should know Long Island has already developed few undeveloped areas get developed soon someone gets over permit hurdles Additionally recognizing Long Island rapidly losing its rural suburban character county governments moving take over remaining undeveloped areas use wildlife refuges parks rainwater recharge areas Long Island has best fresh water world years because Long Island basically 120-mile-long sandbar also known worlds largest freshwater filter Faced above situation corporation formed buy derelict 34-acre farm plan develop RC airport operate long possible pressure surrounding developments forced end RC flying sell take profits done SMRCF now operating its own 30 x 300-ft paved runway Several amenities have added such electrification water pump buried sprinider system toilet Further improve ments planned farmhouse being rented produces income Club dues $375 per year time corporation expects retire mortgage property term five years purchase price facility looks large break down among reasonably sized group investors manageable isnt novel idea main purpose WRAMs show build up fund whereby WRAMs could purchase flying field Last year visiting friend George P Steiner took visit club Sacramento Valley Fliers has similar situation California Its field has much better development being few years longer existence may write up future column However column about Long Nick Zirolis Quadra-powered Stearman PT-i 7L Manorville Long island field its first fiight Some detalis have yet added such dummy engine wing struts Pians avaiiabie $27 Nick Ziroil Pians 29 Edgar Dr Smithtown NY 11787 Tom Wenzeii R instalis iift struts Sig Cub Tom using inventions table extension chocks modeis wheeis ieaves pienty working room vicinity iower lift strut attaching boit makes vexing task much easier Stan Harris Goidberg Eagie L occasion Stans Eagles first fiight Acting test piiot/instructor i found Eagie can nice first airpiane beginners big enough easiiy seen fiies siowlythat nervous beginner shouid abie keep up Tom Wenzeii Lee Beriette use Accutach II checkthe static rpm smoke-equipped Sig clippedwing Cub R its OS Surpass four-stroke engine has plenty power kind aerobatics 34 Model Aviation Island Now example undeveloped property field Grumman Wingnutz took Stan Harris first flights hes photos square mowed out underbrush otherwise undeveloped piece land Any improvements would no doubt crease owners taxes improvement strip carpet pit floor carpet keeps some sand remember Long Island sandbar out airplanes field kits major attraction Wingnutz field surrounded sod farm unimproved property makes ideal test flights long member Grumman RC club Stan Next visited field Sky Hawks primarily quarter-scale club Tommy Weuzell invited see really nice field followed him nice fly over sod Continued page 126 Introducing our new state-of-the-art receiver youve waiting for. Model 91 SEVEN CHANNEL DUAL CONVERSION NARROW BAND RECEIVER state-of-the-art design has selectivity necessary reject adjacent channel signals 10kHz away plus sensitivity provide range necessary demanding R/C applications Equally important receiver has capability proper operation presence Third Order Products destructive gremlin results intermixing two signals will work modem AM transmitter will operate modem positive pulse three wire servo seven channnel operation Available kit form assembled 12G91 M91 Rx Kit LConn 12G91C M91 Ilx Aibid LlCorm 12G91CD M91 Rx Asbid W/Deans 1ZG9TCF M91 Rx Asbid W/Futaba See dealer Complete Catalog $2 00 ______ direct orders add $2 00 AceR/CIncll6W l9thStPOBox5IlE41 1 Higgmavdle MO 64037 816 584 7121 zm APPLIED DESIGN CORPORATION 738 Penn St El Segundo CA 90245 MINI ER ADJUSTABLE TENSION HAND BELT SANDER FIRMLY HOLDS PAPER FOR EASIER SANDING Padded flats cmnves $255 MINI-STRIPSPRECISION DIE-CUT Medium Garnet SAVES TIME REPLACEMENTFine Garnet AND EFFORT $175 SANDING BELTS AssId Water Preel ~ TEE ALUMINUM EXTRUSION SANDING BLOCK N hr use wIth RUFF-STUFF -SaII-adlieelve seed paper LarD Tnhe Seitece WeeIWeerOet 11 Inch82M HandyteUse 22lnch$37U RUFF 6 STUFF SELF ADHESIVE SHEET SANDPAPER MAKE YOUR OWN SPECIAL SANDING SHAPES Na measy ehine er divine thlW*1fl0 Medium Fine r Fine~ MINIAisAw $733 COMPACT 10 inch HACK SAW SAWS ANYTHING ANYWHERE rugged die-cast learn tewlertaMe chip-preet plastic insent handle Receding em ad justable B blade elena geed mark accaaa Cuts weed plastic metal HARDENED MUSIC WIRE eatra hlades-31$199 Add 20% postage Send 25 catIog $7995 $9995 $10995 $10995 September 1987 35 I-ranktacnlralll Jr hIaDlablo Heisone newcomers progresses fast builds f lies much oldtimers get jealous What caught myeye Geometron transmitter tray tried think might get used Frank says Its best use comes trying manage 6 7 8 control functions once ROUSH KITS TaylorCraft Full epan 100 Area 1670 Clipped 64 Area 1300 Power 75 12 eu Balee te Ply 1012 lbs $9995 Super Sport 120 Span 73 Area 960 Power 75 12 Cu IC $9995 Super Kwik Fli Span 70 Area 927 Power 75 12 Cu $8995 Everyday Scale P51 Span 76 Area 830 Power 75 12 eu ifl $9995 Jr Sticks Span 72 Area 1080 Power 75 12 CU $6995 Coming Seen 80AT-6 Prices Include Shipping Direct Sales Only e Send $1 Cetalog ROUSH MFG 1726 Dywood St SE Cantos Ohio 44707 21* 4644610 Tom Hunt latest design 18-az hand-launched Sailplane called Con sortium Tom uses Interesting technique tocreatetheverylightflberglasssheil forms fuselage Look article near future DIGITAL Add 5200 tsr MULTIMETER OHMS LOAD PROTECTION iM fl BATTERY INDICATION Kii- BATTERY INCLUDED BLAIR CRAFT SCIENTIFIC INC 2087 New York Acence Hcnlnntnn Storms NY 11746 VISA 516 545-1571 o Free Price Sosting Boying Gcide Electronic GOODIES INCLUDING NICADS & CHARGERS O Enclsned roy ctreck ChargetornyOVlSA DMC DAMEX Acot C__________________ Cerd Holdern Name Name Addrenn trailing edge panel other will up off block modified Airtronics releasable tow hook allow mounted inside fuselage rather outside reduces amount drag produced tow hook Bevel lower frame edges Dremel grinder shown photo Cut slot bottom fuselage allow hook protrude inside Sand down fiberglass bumps inside fuselage area tow hook idea let tow hook set low fuselage possible Next file aluminum hook down point will allow adequate tow ring clearance Screws nut-plates mounted usual use capture feature /16-in wire pin has added capture latch fill gap made filing down hook use Super MonoKote finish surfaces except fuselage painted Whatever finish chosen sure keep weight buildup minimum Weight paint fuselage likely problem because its small surface area carbon fiber laminate shrinking covering wing can cause ripples develop trailing edge carbon fiber produces sharp dingresistant trailing edge does prevent becoming wavy thin airfoil have somewhat successful rec tifying problem clamping trailing edge straight between balsa strips reheating covering heat gun Radio installation will have follow procedure shown plans photos fairly closely much room variation because small space Aileron connect disconnect accomplished b-shaped wires servo engaging wing bellcranks connect ailerons wires simply dropped bellcrank holes wires retained position block bottom hatch hatch turn secured couple rubberbands stretched screw eye through paper-clip loop other screw eye inverted V-shape some planes have used small turnbuckles L wires get very fine trim ad justments ailerons Unfortunately nylon turnbuckles shown no longer available Metal turnbuckles could prob ably adapted same thing Proper aileron differential achieved selecting correct point connection servo wheel Start attaching couplers wheel near spot shown photo Fine-tuning differential done trial-and-error drilling holes wheel until right spot found Expect tuin couple wheels process spoilers hinged strip MonoKote ironed top side Spoiler lines made Goldberg YzA control line loops tied end slip over spindle servo arm spindle made eyelet attached servo arm lines threaded through screw eye guide directly servo spoiler end lines attached horns round toothpicks spoiler servo also pulls tow hook release nylon tube formed route line out way other linkage Ballast made up -in-OD x 2-in brass tube sections filled lead Lead shot can epoxied tubes melted poured tubes lead melted take proper precautionsmolten lead fumes deadly attempt absolutely certain what doing Trimming flying recommended control surface throws set initially per plans although throws may little sensitive some pilots Test fly would Sailplane Give some hand tosses get feel put up line Launches can highspeed moderately strong zoom re leases desired Experiment different trim settings find various usable speeds thermal searching thermal turning getting out sink Try out spoilers altitude very effective aware has very thin frontal profile tends dis appear coming directly going directly away distances too great can little unnerving model alternately ap pears disappears during thermal-turn ing certain positions way out simply takes some getting used also home slope capable riding smallest hills bal lasted flying strong lift highly maneuverable just plain fun fly Radio Technique/Myers Continued page 35 farm permission owner Flying stops few weeks year field being planted harvested small price pay ideal conditions enjoy rest year major attraction field near Spadaros airport includes Long Island Skydiving School As Tommy describes continuous air show what airplanes taking off landing parachutists floating down over place quarterscale models continuous action Hes right come GMAS field aka Grumman Athletic Association field Bob Aberle Tom Hunt Ron Farkas others lunchtime flying share space baseball diamonds soccer fields dogs golfers Fortunately other activities take place after work doesnt affect us As Grumman Corporation keeps building things field keeps getting smaller smaller As field diminishes size keep restricting size models smaller lighter packages what has prompted delightful 20-engined models have seen column time time also what has prompted Tom Hunt design Consortium 126 Model Aviation IORE POWEiITh WITH LESS NOISE four-cycle measuring up expectations read Make engine before Make 60 120 four-stroke less means 1 Quieter glow 2 More mellow sounding fourcycle 3 More usable power both 4 Highest power-to-weight ratio 5 The lowest idle ever 6 Increase mileage up 4 times 7 Runs cooler glow 8 No glowplugs fail 9 Increased reliability 10 Fuel available concentrate Conversion kits available 049 30 cid Schnuerle ported engines Its sim ple just change heads fuel What waiting Dust off two-cycle DIESELIZE Send self-addressed stamped enve lope $100 information call 203-877-1670 between 730 pm 930 pm EST Mon-Fri DAVIS DIESEL DEVELOPMENT PO Box 141 Milford CT 06460 leader quiet combustion 4 technology since 1976 J DCV ACY 05 LCD DISPLAY DCV 1OA iM fl INPUT IN SILENT FLIGHT PERFORMANCE WITH QUIE1 CLEAN 05 ELECTRIC OR 049 GAS POWER Use 05/075 electric motor direct reduced drive 049 engine fly sailplane will get great performance wide speed range kind weather proven PROPHET sailplane series modified E-193 airfoil kit features die machine cut selected balsa spruce plywood complete full-size rolled plans step-by-step detailed instructions hardware pre-packaged small parts pre-cut f use age sides quick sturdy construction LUCIFER 78 SPAN SQ IN AREA Z 2ilhlfl mntnr 2nd switch harness motor switch harness gear reducer Ibm 1K DAVEY TEMS CORPORATION ONE WOOD LANE MALVERN PA 19355 215 644-6772 MOTOR/HARNESS/REDUCERMOTOR/HARNESS seen pictures interested launching planes Upstart hand low-pressure sport flying simple competitions Bob Aberles EMF Electric Pylon Racer another machine designed limits small field fly couple restrictions First dont allow solo piloting pilot must accompanied observer keeps track moving obstacles like golfers kids dogs Most us have developed habit landing toward ourselves because allows us see airplane landing area same time Second dont allow test flights student solo flights because area surrounded roads parking lots full cars Third require effective mufflers engines Finally limit engine size 20 cu less above designed minimize risk damage injury occupants surrounding areas field gets smaller may have restrict things Helicopters tethered balloons young lad Long Island primarily potato-farm land farms derelict result Great Depression golden nematode quaran tine flew everything Free Flight models After World War II Mr Levitt showed world turn farmland thousands small homes returning GIs Levittown born imitators As fields grew smaller less numerous UControl took over constant drone unmuffled U-Control engines offended lot people has observed thatModel aviation grew vacant lots So did baseball difference takes 18 members staff baseball game team member usually backed two voting-age parents Small flying fields became Little League baseball diamonds As building continued lost field after fieldwhich has led situation described previously population Long Island ex ceeds some Western states yet can barely see United States map should give some idea population density field problem solved Reread opening paragraphs Mr Shockley invented transIstor Radio Control moved giass-tube-and escapement mode interesting pri marily experimenters cheap reliable IC packages enjoy today people saw radio control could assure models would last awhile major shift RC Recently ARF models have developed point virtually anyone can buy plane engine radio rightfully expect have success Model builders fewer number used same time active RCers used paying what get Thats change Personally think days free use vacant lots has just about run out future going cost money Soccer became big team sport US about 20 years ago flying fields least Long Island became favorite target people trying locate soccer fields arent going stop progress well just have cope overall message column Its what what youve got makes difference Write Let people know solve problem finding holding flying field Ive given lot hints ranging restricted hours sharing multi-use field buying field own AMA wants know field problems solutions AMA could get lot ofuseful informa tion next years AMA Charter renewal form simply included line description clubs flying field obtalned malntalned line isnt nothing stopping writing Getting holding fields major interest AMA Executive Council time should because flying fields wont need either AMA Execu tive Council flying fields wont much need Radio Technique think suitable subject column George M Myers 70 Froehlich Farm Rd Hicksville NY 11801 Learn/Schoenberg Continued page 38 using Zona saws scrap gluing sticks together Rounding out very full interesting Day 2 videos RC flying Sigs video its factory modeling demonstrations session proved just interesting some instructors sev eral still using pin Ambroid Testors Elmers etc slow-glu ing procedures students Day 3 students instructors alike September 1987127
Edition: Model Aviation - 1987/09
Page Numbers: 34, 35, 126, 127
GeMMyer Radio SOME NEWS about flying over Long Island NY subject matter column month may seem far removed usual treatment various technical aspects asso ciated hobby youll bear Ill make point later have recently retired job aerospace industry fact supposed give time flying RC models friend Nick Ziroli called up invited accompany him visit Manorville RC Flyers SMRCF AMA chartered club No 2161 learn about new airfield accepted offer have sorts RC flying fields Long Island Some folks fly over vacant lots permission owner Other folks rent unused property several fields provided service various state county park facilities come SMRCF renting various undeveloped properties its members became tired being displaced periodically As background what follows should know Long Island has already developed few undeveloped areas get developed soon someone gets over permit hurdles Additionally recognizing Long Island rapidly losing its rural suburban character county governments moving take over remaining undeveloped areas use wildlife refuges parks rainwater recharge areas Long Island has best fresh water world years because Long Island basically 120-mile-long sandbar also known worlds largest freshwater filter Faced above situation corporation formed buy derelict 34-acre farm plan develop RC airport operate long possible pressure surrounding developments forced end RC flying sell take profits done SMRCF now operating its own 30 x 300-ft paved runway Several amenities have added such electrification water pump buried sprinider system toilet Further improve ments planned farmhouse being rented produces income Club dues $375 per year time corporation expects retire mortgage property term five years purchase price facility looks large break down among reasonably sized group investors manageable isnt novel idea main purpose WRAMs show build up fund whereby WRAMs could purchase flying field Last year visiting friend George P Steiner took visit club Sacramento Valley Fliers has similar situation California Its field has much better development being few years longer existence may write up future column However column about Long Nick Zirolis Quadra-powered Stearman PT-i 7L Manorville Long island field its first fiight Some detalis have yet added such dummy engine wing struts Pians avaiiabie $27 Nick Ziroil Pians 29 Edgar Dr Smithtown NY 11787 Tom Wenzeii R instalis iift struts Sig Cub Tom using inventions table extension chocks modeis wheeis ieaves pienty working room vicinity iower lift strut attaching boit makes vexing task much easier Stan Harris Goidberg Eagie L occasion Stans Eagles first fiight Acting test piiot/instructor i found Eagie can nice first airpiane beginners big enough easiiy seen fiies siowlythat nervous beginner shouid abie keep up Tom Wenzeii Lee Beriette use Accutach II checkthe static rpm smoke-equipped Sig clippedwing Cub R its OS Surpass four-stroke engine has plenty power kind aerobatics 34 Model Aviation Island Now example undeveloped property field Grumman Wingnutz took Stan Harris first flights hes photos square mowed out underbrush otherwise undeveloped piece land Any improvements would no doubt crease owners taxes improvement strip carpet pit floor carpet keeps some sand remember Long Island sandbar out airplanes field kits major attraction Wingnutz field surrounded sod farm unimproved property makes ideal test flights long member Grumman RC club Stan Next visited field Sky Hawks primarily quarter-scale club Tommy Weuzell invited see really nice field followed him nice fly over sod Continued page 126 Introducing our new state-of-the-art receiver youve waiting for. Model 91 SEVEN CHANNEL DUAL CONVERSION NARROW BAND RECEIVER state-of-the-art design has selectivity necessary reject adjacent channel signals 10kHz away plus sensitivity provide range necessary demanding R/C applications Equally important receiver has capability proper operation presence Third Order Products destructive gremlin results intermixing two signals will work modem AM transmitter will operate modem positive pulse three wire servo seven channnel operation Available kit form assembled 12G91 M91 Rx Kit LConn 12G91C M91 Ilx Aibid LlCorm 12G91CD M91 Rx Asbid W/Deans 1ZG9TCF M91 Rx Asbid W/Futaba See dealer Complete Catalog $2 00 ______ direct orders add $2 00 AceR/CIncll6W l9thStPOBox5IlE41 1 Higgmavdle MO 64037 816 584 7121 zm APPLIED DESIGN CORPORATION 738 Penn St El Segundo CA 90245 MINI ER ADJUSTABLE TENSION HAND BELT SANDER FIRMLY HOLDS PAPER FOR EASIER SANDING Padded flats cmnves $255 MINI-STRIPSPRECISION DIE-CUT Medium Garnet SAVES TIME REPLACEMENTFine Garnet AND EFFORT $175 SANDING BELTS AssId Water Preel ~ TEE ALUMINUM EXTRUSION SANDING BLOCK N hr use wIth RUFF-STUFF -SaII-adlieelve seed paper LarD Tnhe Seitece WeeIWeerOet 11 Inch82M HandyteUse 22lnch$37U RUFF 6 STUFF SELF ADHESIVE SHEET SANDPAPER MAKE YOUR OWN SPECIAL SANDING SHAPES Na measy ehine er divine thlW*1fl0 Medium Fine r Fine~ MINIAisAw $733 COMPACT 10 inch HACK SAW SAWS ANYTHING ANYWHERE rugged die-cast learn tewlertaMe chip-preet plastic insent handle Receding em ad justable B blade elena geed mark accaaa Cuts weed plastic metal HARDENED MUSIC WIRE eatra hlades-31$199 Add 20% postage Send 25 catIog $7995 $9995 $10995 $10995 September 1987 35 I-ranktacnlralll Jr hIaDlablo Heisone newcomers progresses fast builds f lies much oldtimers get jealous What caught myeye Geometron transmitter tray tried think might get used Frank says Its best use comes trying manage 6 7 8 control functions once ROUSH KITS TaylorCraft Full epan 100 Area 1670 Clipped 64 Area 1300 Power 75 12 eu Balee te Ply 1012 lbs $9995 Super Sport 120 Span 73 Area 960 Power 75 12 Cu IC $9995 Super Kwik Fli Span 70 Area 927 Power 75 12 Cu $8995 Everyday Scale P51 Span 76 Area 830 Power 75 12 eu ifl $9995 Jr Sticks Span 72 Area 1080 Power 75 12 CU $6995 Coming Seen 80AT-6 Prices Include Shipping Direct Sales Only e Send $1 Cetalog ROUSH MFG 1726 Dywood St SE Cantos Ohio 44707 21* 4644610 Tom Hunt latest design 18-az hand-launched Sailplane called Con sortium Tom uses Interesting technique tocreatetheverylightflberglasssheil forms fuselage Look article near future DIGITAL Add 5200 tsr MULTIMETER OHMS LOAD PROTECTION iM fl BATTERY INDICATION Kii- BATTERY INCLUDED BLAIR CRAFT SCIENTIFIC INC 2087 New York Acence Hcnlnntnn Storms NY 11746 VISA 516 545-1571 o Free Price Sosting Boying Gcide Electronic GOODIES INCLUDING NICADS & CHARGERS O Enclsned roy ctreck ChargetornyOVlSA DMC DAMEX Acot C__________________ Cerd Holdern Name Name Addrenn trailing edge panel other will up off block modified Airtronics releasable tow hook allow mounted inside fuselage rather outside reduces amount drag produced tow hook Bevel lower frame edges Dremel grinder shown photo Cut slot bottom fuselage allow hook protrude inside Sand down fiberglass bumps inside fuselage area tow hook idea let tow hook set low fuselage possible Next file aluminum hook down point will allow adequate tow ring clearance Screws nut-plates mounted usual use capture feature /16-in wire pin has added capture latch fill gap made filing down hook use Super MonoKote finish surfaces except fuselage painted Whatever finish chosen sure keep weight buildup minimum Weight paint fuselage likely problem because its small surface area carbon fiber laminate shrinking covering wing can cause ripples develop trailing edge carbon fiber produces sharp dingresistant trailing edge does prevent becoming wavy thin airfoil have somewhat successful rec tifying problem clamping trailing edge straight between balsa strips reheating covering heat gun Radio installation will have follow procedure shown plans photos fairly closely much room variation because small space Aileron connect disconnect accomplished b-shaped wires servo engaging wing bellcranks connect ailerons wires simply dropped bellcrank holes wires retained position block bottom hatch hatch turn secured couple rubberbands stretched screw eye through paper-clip loop other screw eye inverted V-shape some planes have used small turnbuckles L wires get very fine trim ad justments ailerons Unfortunately nylon turnbuckles shown no longer available Metal turnbuckles could prob ably adapted same thing Proper aileron differential achieved selecting correct point connection servo wheel Start attaching couplers wheel near spot shown photo Fine-tuning differential done trial-and-error drilling holes wheel until right spot found Expect tuin couple wheels process spoilers hinged strip MonoKote ironed top side Spoiler lines made Goldberg YzA control line loops tied end slip over spindle servo arm spindle made eyelet attached servo arm lines threaded through screw eye guide directly servo spoiler end lines attached horns round toothpicks spoiler servo also pulls tow hook release nylon tube formed route line out way other linkage Ballast made up -in-OD x 2-in brass tube sections filled lead Lead shot can epoxied tubes melted poured tubes lead melted take proper precautionsmolten lead fumes deadly attempt absolutely certain what doing Trimming flying recommended control surface throws set initially per plans although throws may little sensitive some pilots Test fly would Sailplane Give some hand tosses get feel put up line Launches can highspeed moderately strong zoom re leases desired Experiment different trim settings find various usable speeds thermal searching thermal turning getting out sink Try out spoilers altitude very effective aware has very thin frontal profile tends dis appear coming directly going directly away distances too great can little unnerving model alternately ap pears disappears during thermal-turn ing certain positions way out simply takes some getting used also home slope capable riding smallest hills bal lasted flying strong lift highly maneuverable just plain fun fly Radio Technique/Myers Continued page 35 farm permission owner Flying stops few weeks year field being planted harvested small price pay ideal conditions enjoy rest year major attraction field near Spadaros airport includes Long Island Skydiving School As Tommy describes continuous air show what airplanes taking off landing parachutists floating down over place quarterscale models continuous action Hes right come GMAS field aka Grumman Athletic Association field Bob Aberle Tom Hunt Ron Farkas others lunchtime flying share space baseball diamonds soccer fields dogs golfers Fortunately other activities take place after work doesnt affect us As Grumman Corporation keeps building things field keeps getting smaller smaller As field diminishes size keep restricting size models smaller lighter packages what has prompted delightful 20-engined models have seen column time time also what has prompted Tom Hunt design Consortium 126 Model Aviation IORE POWEiITh WITH LESS NOISE four-cycle measuring up expectations read Make engine before Make 60 120 four-stroke less means 1 Quieter glow 2 More mellow sounding fourcycle 3 More usable power both 4 Highest power-to-weight ratio 5 The lowest idle ever 6 Increase mileage up 4 times 7 Runs cooler glow 8 No glowplugs fail 9 Increased reliability 10 Fuel available concentrate Conversion kits available 049 30 cid Schnuerle ported engines Its sim ple just change heads fuel What waiting Dust off two-cycle DIESELIZE Send self-addressed stamped enve lope $100 information call 203-877-1670 between 730 pm 930 pm EST Mon-Fri DAVIS DIESEL DEVELOPMENT PO Box 141 Milford CT 06460 leader quiet combustion 4 technology since 1976 J DCV ACY 05 LCD DISPLAY DCV 1OA iM fl INPUT IN SILENT FLIGHT PERFORMANCE WITH QUIE1 CLEAN 05 ELECTRIC OR 049 GAS POWER Use 05/075 electric motor direct reduced drive 049 engine fly sailplane will get great performance wide speed range kind weather proven PROPHET sailplane series modified E-193 airfoil kit features die machine cut selected balsa spruce plywood complete full-size rolled plans step-by-step detailed instructions hardware pre-packaged small parts pre-cut f use age sides quick sturdy construction LUCIFER 78 SPAN SQ IN AREA Z 2ilhlfl mntnr 2nd switch harness motor switch harness gear reducer Ibm 1K DAVEY TEMS CORPORATION ONE WOOD LANE MALVERN PA 19355 215 644-6772 MOTOR/HARNESS/REDUCERMOTOR/HARNESS seen pictures interested launching planes Upstart hand low-pressure sport flying simple competitions Bob Aberles EMF Electric Pylon Racer another machine designed limits small field fly couple restrictions First dont allow solo piloting pilot must accompanied observer keeps track moving obstacles like golfers kids dogs Most us have developed habit landing toward ourselves because allows us see airplane landing area same time Second dont allow test flights student solo flights because area surrounded roads parking lots full cars Third require effective mufflers engines Finally limit engine size 20 cu less above designed minimize risk damage injury occupants surrounding areas field gets smaller may have restrict things Helicopters tethered balloons young lad Long Island primarily potato-farm land farms derelict result Great Depression golden nematode quaran tine flew everything Free Flight models After World War II Mr Levitt showed world turn farmland thousands small homes returning GIs Levittown born imitators As fields grew smaller less numerous UControl took over constant drone unmuffled U-Control engines offended lot people has observed thatModel aviation grew vacant lots So did baseball difference takes 18 members staff baseball game team member usually backed two voting-age parents Small flying fields became Little League baseball diamonds As building continued lost field after fieldwhich has led situation described previously population Long Island ex ceeds some Western states yet can barely see United States map should give some idea population density field problem solved Reread opening paragraphs Mr Shockley invented transIstor Radio Control moved giass-tube-and escapement mode interesting pri marily experimenters cheap reliable IC packages enjoy today people saw radio control could assure models would last awhile major shift RC Recently ARF models have developed point virtually anyone can buy plane engine radio rightfully expect have success Model builders fewer number used same time active RCers used paying what get Thats change Personally think days free use vacant lots has just about run out future going cost money Soccer became big team sport US about 20 years ago flying fields least Long Island became favorite target people trying locate soccer fields arent going stop progress well just have cope overall message column Its what what youve got makes difference Write Let people know solve problem finding holding flying field Ive given lot hints ranging restricted hours sharing multi-use field buying field own AMA wants know field problems solutions AMA could get lot ofuseful informa tion next years AMA Charter renewal form simply included line description clubs flying field obtalned malntalned line isnt nothing stopping writing Getting holding fields major interest AMA Executive Council time should because flying fields wont need either AMA Execu tive Council flying fields wont much need Radio Technique think suitable subject column George M Myers 70 Froehlich Farm Rd Hicksville NY 11801 Learn/Schoenberg Continued page 38 using Zona saws scrap gluing sticks together Rounding out very full interesting Day 2 videos RC flying Sigs video its factory modeling demonstrations session proved just interesting some instructors sev eral still using pin Ambroid Testors Elmers etc slow-glu ing procedures students Day 3 students instructors alike September 1987127