Bi1I Cisg& Sa4p Scratch-building WE Plan N Pattern sets way go get best designs com plete Full-Size layouts parts drawings bill mater ials save up 50% over comparable kit costs Quarter Scale R/C World Wan SE-SA 80 Wingspan 0 2220 sq area 78 22 Engines Plan N Pattern Set RCQS-7.. $2495 SPAD C-XIII- World Wan Capable Flyer Captures Imagination 79/ Wingspan2120 sq area 13 31 Engines Plan N Pattern Set RCQS-8.. $2795 FOKKER TRIPLANE DR-I 72 Wingspan1772 sq area 78 150 Engines Plan N Pattern Set RCQS- 6.. $2495 Quarter Scale-Golden Age Curtis Falcon 114 Wingspan Quadra Size Engine 3168 sq area Plan N Pattern Set RCQS-13 . $2795 1/6 Scale-Golden Age French Mureau C-I56 Wingspan 450 sq area Plan N Pattern Set RC8S1$1295 WACO SRE Cabin Biplane R/C 52% Wingspan 640 sq areaFor 19 40 Engines Plan N Pattern Set RC8S-3$1295 Best Ducted Fans SKYRAY F4D-1 Plan Form - 1 Scale Duct Fan RIC RK-20 Fan Unit Plan N Pattern Set RCDF-1 1995 Sill Effinger Feundlag Member AMA PIFFS Hell lamer Prices Complete Plans Sub Assembly Detailed Parts Lists Add $200 Mailing Tube SEND FOR BROcHURE ahead crowd New Brochure showing new Plan Sets 1986 Send $100 its refundable first order WE Technical Services PO Box 76884-A Atlanta GA 30328 Torque Reaction January 1986 AMA magazine page 57 three pictures beautifully-built D- 18 Beech cap tion fallacy seems accepted RCers middle caption states Clearly visible take off shot deflection twin rudders compensate torque-induced yaw Way back Mr Newton said action equal opposite re action Torque commonly thought force used rotate something rotating propeller clockwise direction viewed cockpit crank shaft rotates less along roll axis airplane reason running engine turns prop because have restrained engine rotating fastening airframe Whatever amount power takes turn pro peller clockwise will exhausted airframe counterclockwise direction around crankshaft Therefore torque according Newton putting left roll force airframe ground roll force transferred runway surface addition weight subsequent drag left wheel variation drag between right left wheels yaw force torque exerts takeoff P-factor problem time thrust line line flight coincide reality thrust line usually engineered airframe compromise airplanes designed purpose ELECT TRAVIS McGINNIS AMA PRESIDENT AMA NATiONAL CENTER FOR AEROMODEUNG TIME FOR CHANGE Strong Leadership Working Together Sensitivity Commitment Results Experienced Administrator Lifelong Modeler Priority Issues Insurance Flying Sites Membership Services RIG Frequencies Youth Involvement Public Image Council Harmony Pard McGinnis AMA President Commtffee 10 Model Aviation Letters Editor letters will carefully considered general interest used Send Mod 1 Aviation 1810 Samuel Morse Dr Reston VA 22090 Puss Moth 73% Winosoan880 sq area Plan N vauern Set RC6S-3 95 1/8 Scale-Golden Age kocture upper AgCat right side three-point attitude line through center crankContinued page 12 SCHOOLYARD CHAMPIONS Astros two new schoolyard champions have power motors twice size new cobalt 020 weighs three ounce can spin Cox 6x4 10000 rpm four cells cobalt 035 weighs four ounces can spin cox 6x4 14000 rpm five cells Now can finally fly practical 1/2 size electric schoolyard model loading down TON OF BATTERIES Astro Challenger Cobalt 020 035 motors Truly breakthrough state-of-the-art The Astro Sport perfect school yard fun Install Astro Cobalt 020 becomes gentle Torgiving trainer Install Astro Cobalt 035 becomes schoolyard - show-off doing snappy rolls loops other schoolyard maneuvers Large wing lets land safely small spaces Span 37 area 292 sq original astro ac/dc charger imitated never equaled works both I Ov ac 2v dc Its variable charge rate lets charge nicad pack four seven cells up 1200 mahr just fifteen minutes precision 15 minute timer accurate ammeter voltage monitor jacks equalizer circuit pilot light VISIT YOUR DEALER TODAY AND SEE THE SCHOOLYARD CHAMPIONS proudly made USA Consumers Guide Radio Control Its ListedTHIRD Dont Need ItEDITION See hobby shop order direct $075 Price $795 plus $180 UPS total Foreign air mail $1348 $795 plus $5 50 U S dollars please Send Check MO Credit Curd Info Consumers Guide 150 Ott St Hurnsonhurg VA 22601 703 4340350 Nlcamc Address Charge Card No MC VISA CHOICE MasterCard lB # _____________________ Products Expiration flta Sianed shaft thrust line line fligjn hangar floor prop blade shown descending plumb line perpendicular flight path plumb line resting trailing edge descending blade angle attack can read measuring angular difference leading edgein case approximately 1 5O Picture #2 left side same airplane blade rising trailing edge bottom Note close plumb line leading trailing edge blade has very little angle attack propeller rotating wing must have positive angle attack generate thrust As airplane starts roll relative wind changes contact prop front aggravates angle attack situation accelerate Right rudder will have increased direct propor tion speed increase until tail allowed rise point thrust line line flight come together time P-factor cancelled equal thrust propeller blades longer distance between propeller hub center gravity leverage P-factor will have work withand pronounced effect will ways help minimize P-factor letter just help modelers understand enemy Airplanes sim ply sack variables molded aerodynamic shape propelled atmosphere unforgiving absolutes Keep nose front would happy correspond anyone interested subjects have discussed Don Taylor 1795 Jamie Dr Yuba City CA 95991 Members Clubs Id like comment Mr Bedells letter September 1986 issue think Mr Bedell should have said awful lot RC clubs general just flying clubs trying keep new people away whether know Some clubs act aloof cold newcomer finds hard get help Some clubs get engrossed internal politics scares new people away agree clubs probably dont need Continued page 14 12 Model Aviation r 13311 BEACH AVE NA DEL REY CA 90292 PHONE 213 8216242 Im going flying words conjure up images battles balky engines instead carefree days field youre using McDaniel R/C NiStarterTM light plug NiStartersTM heavy-duty nicad power will provide up 50 reliable quick starts charge features famous Head LockTM adapter brass reinforcing ring around crimped end really extends its life works sideways inverted information well NiStarter works just go local flying field may have wait NiStartersTM always flying McDaniel RIC F Incorporated I12206 Grnnevere Road enn Dale MD 20769 3011464-2260 Telex 287901 McD-UR take hassle out hobby ALL PURPOSE FOAM CU1TER Hands Off Cut II Especially Designed Tapered Wings HANDS OFF CUT II unique device cutting high quality foam wing cores hands off also cuts both sides same time Most modelers will amazed high quality smooth surface will achieve using device plus added advantage having wait until friends can come around help However just foam wing cutter HANDS OFF also capable cutting precision foam components such fuselage sections cowls tail surfaces HANDS OFF available hardware package assemble own board HANDS OFF CUT II requires 24 volt variable output power supply Easy assemble s approximately 15 minutes Dealers Wanted Hands Off Cut II Hardware Pkg $8750 plus $3 ship ft hand 24 Volt Variable Output Power Supply$5250 plus $3 ship ft hand ~I NORRAY PRODUCTSINC K 14 Model Aviation 5008 Sandbeach Road Wichita Falls TX 76310 IptwcardflTel 817 692-4475IVIS41 w initiation fee new member could use money join AMA help offset first months dues Sure some areas country have RC flying clubs others its partly case interest cant make person fly hes interested no clubs someones area perhaps person should start Lets look club belong instance Once person finds out about us through public awareness fly-ins hobby shop word mouth also local county fair showing RC videotapes handing out AMA litera ture will fill him points hobby dont turn anyone away wants join help him much possible explaining what takes learn fly what hell likely need cost factor big question newcomer break down minimum wife know wont break bank Remember hobbies sports cost money up decide much spend past minimum Well invite him clubs field right off main road visible everyone drives see us flying stop watch want newcomers see whats physically irtvolved troduce him club members new comers will also invited club meeting can talk modelers watch videotapes partake social ac tivities decides join well help him build set up plane well teach him fly safe manner Hell earn solo certificate some day will turn around help another newcomer enjoy field RC flying Remember person doesnt join club public awareness aspect vital importance continuance great hobby point clubs made up people its up people decide way club will go Frank Miccio Salem County RC MAC Pennsville NJ Flip Stiks Just thought might interested seeing what Ive done couple Midwest Sweet Stiks 20 40 call Continued page 140 634 7 283 3* 4 5 6 8 3 3&3/4 4 5 68 8*4566*7 9 4 566* 7 7* 10 4 5 6 6W 6* 7 8W 10 6EW 11 4 6 7 7* 7* 7&3/4 8 II 6KW 11*67 124W 5 SW 6 1356 1456 1556 16678 10*6 6* 7 NEW 12 6 6* 7 7* 8 13 677*8 14 6 7 7*8 15 67 16 678 PRICE $149 $179 $189 $199 $199 $209 $219 $229 $239 $239 $279 $359 $459 $659 $949 $239 $299 $389 $489 $689 $989 PYLON RACING 7 8&3/8 8&3/4 9 SN 5*N 6&3/4 7 7* 8 NEW 6* 6&3/4 7 7* 7&3/4 7 7* 7&3/4 $279 $299 $289 $289 W Wide blmle EW Extra wide N Narrow OLD TIMER SUPPLIES CARBON FIBER COILS CONDENSERS SILK TRANSISTOR IGMTION SYSTEMS TIMERS ETC REPLICA OR WICK ENGINES NE WI! 1/2A PLAYBOY SR FOR 1/2A TEXACO RIC FF ELECTRIC OR SPORT KIT $2995 SPECIALISTS IN CUSTOM COX TEE DEE & REED ENGINES 020S 049S 051S & 09S K & B CUSTOMIZED ENGINES FOR FF OR OLD TIMER ALSO COMPLETE LINE OF U/C & R/C RACING PARTS Openers/Wheeley Continued page 8 liked magazines balanced coverage areas hobby Nearly specialty between five 10 respondents wanted increase amount coverage his/her area interest most-mentioned specific topic about District Report columns AMA News section Sixty people com mented too much space devoted too much politics included way some commented would appear readers think things under control editor/publisherwhich isnt Readers wish influence amount space general content District Reports should contact AMA district vicepresidents preferably writing addresses AMA News section AMA News section including District Re ports complimented 11 respon dents Two other areas frequently men tioned articles beginners articles about basics how-to articles suggested 66 survey par ticipants Thirty-seven asked product reviews us include hands-on product evaluations survey results give us much think about act upon thanks everyone participated survey few minutes took complete form will help us better serve readers Carl Wheeley Editor Publisher Letters Editor Continued page 14 Flip Stiks couple minor additions built almost completely original kits Only few minor changes required both fly great 20 has OS 25FSR set up tight requires full attention flying 40 K&B flies like Caddy has center flap built-in bomb release Side-mounted Flip Stik K&B puts out 73 dB compared 85 regular Stiks will about anything want air lot fun Everyone asks what areand dont believe Im finishing second 40-size Flip Stik now think students going build fun-fly events CW Red Huntoon Howell MI Oslans Cloud Cruiser Since have seen no others thought would share picture Cloud Cruiser ship built MA Plan No 423 article November 1983 issue wanted Bob Oslan know somebody fell love Mine powered K&B 61 engine time would really idle works fine left picture taken beautiful Monroeville NJ flying site Clayton NJ club Cloud Cruisers twopiece wing removable tall feathers just fits Monte Carlo am retired now live remote section Pocono Mountains Penn sylvania have discovered another beauti ful flying field belonging West End Wings club Effort PA might able get planes out attic yet Jim Senior Pocono Lake PA Safety Preston Continued page 23 An example such incident reported August issue local clubs newsletter Dick Roe associate editor following report Safety safety safety though stress importance field safety never seems 140 Model Aviation OUR INVENTORY AVERAGES OVER 12000 PROPS! SPECIAL PRO SERIES DIAPITCH GLOW PLUG TAP Pl Ar $1400 polog poid within USA Ni r,dnt,dd 6%st, ton RFM Design Research po sox 2393 VINCENTOWN NJ 08088 1-4-32 tap 499 HARRY B HIGLEY 8 SONS INC P 0 BOX 532 GLENWOOD ILL 60425 DECIBAN SOUND LEVEL 95 5* 6NEW$209 10*6 6* 7 NEW$239 11*7*8NEW$269 127* 8NEW$299 FOUR-CYCLE TAILORED HELICAL PITCH ORDER BY MAIL OR PHONE 714 830-6162 SORRY NO COD VISA & MASTERCARD WELCOME DEALER INOUIRIES INVITED ALL PRICES POSTPAID MINIMUM ORDER $1000 FOR INSURANCE ADD $100 ORDERS SHIPPED WITHIN 24 HRS CALIF RESIDENTS ADD 6% TAX
Edition: Model Aviation - 1986/12
Page Numbers: 10, 12, 14, 140
Bi1I Cisg& Sa4p Scratch-building WE Plan N Pattern sets way go get best designs com plete Full-Size layouts parts drawings bill mater ials save up 50% over comparable kit costs Quarter Scale R/C World Wan SE-SA 80 Wingspan 0 2220 sq area 78 22 Engines Plan N Pattern Set RCQS-7.. $2495 SPAD C-XIII- World Wan Capable Flyer Captures Imagination 79/ Wingspan2120 sq area 13 31 Engines Plan N Pattern Set RCQS-8.. $2795 FOKKER TRIPLANE DR-I 72 Wingspan1772 sq area 78 150 Engines Plan N Pattern Set RCQS- 6.. $2495 Quarter Scale-Golden Age Curtis Falcon 114 Wingspan Quadra Size Engine 3168 sq area Plan N Pattern Set RCQS-13 . $2795 1/6 Scale-Golden Age French Mureau C-I56 Wingspan 450 sq area Plan N Pattern Set RC8S1$1295 WACO SRE Cabin Biplane R/C 52% Wingspan 640 sq areaFor 19 40 Engines Plan N Pattern Set RC8S-3$1295 Best Ducted Fans SKYRAY F4D-1 Plan Form - 1 Scale Duct Fan RIC RK-20 Fan Unit Plan N Pattern Set RCDF-1 1995 Sill Effinger Feundlag Member AMA PIFFS Hell lamer Prices Complete Plans Sub Assembly Detailed Parts Lists Add $200 Mailing Tube SEND FOR BROcHURE ahead crowd New Brochure showing new Plan Sets 1986 Send $100 its refundable first order WE Technical Services PO Box 76884-A Atlanta GA 30328 Torque Reaction January 1986 AMA magazine page 57 three pictures beautifully-built D- 18 Beech cap tion fallacy seems accepted RCers middle caption states Clearly visible take off shot deflection twin rudders compensate torque-induced yaw Way back Mr Newton said action equal opposite re action Torque commonly thought force used rotate something rotating propeller clockwise direction viewed cockpit crank shaft rotates less along roll axis airplane reason running engine turns prop because have restrained engine rotating fastening airframe Whatever amount power takes turn pro peller clockwise will exhausted airframe counterclockwise direction around crankshaft Therefore torque according Newton putting left roll force airframe ground roll force transferred runway surface addition weight subsequent drag left wheel variation drag between right left wheels yaw force torque exerts takeoff P-factor problem time thrust line line flight coincide reality thrust line usually engineered airframe compromise airplanes designed purpose ELECT TRAVIS McGINNIS AMA PRESIDENT AMA NATiONAL CENTER FOR AEROMODEUNG TIME FOR CHANGE Strong Leadership Working Together Sensitivity Commitment Results Experienced Administrator Lifelong Modeler Priority Issues Insurance Flying Sites Membership Services RIG Frequencies Youth Involvement Public Image Council Harmony Pard McGinnis AMA President Commtffee 10 Model Aviation Letters Editor letters will carefully considered general interest used Send Mod 1 Aviation 1810 Samuel Morse Dr Reston VA 22090 Puss Moth 73% Winosoan880 sq area Plan N vauern Set RC6S-3 95 1/8 Scale-Golden Age kocture upper AgCat right side three-point attitude line through center crankContinued page 12 SCHOOLYARD CHAMPIONS Astros two new schoolyard champions have power motors twice size new cobalt 020 weighs three ounce can spin Cox 6x4 10000 rpm four cells cobalt 035 weighs four ounces can spin cox 6x4 14000 rpm five cells Now can finally fly practical 1/2 size electric schoolyard model loading down TON OF BATTERIES Astro Challenger Cobalt 020 035 motors Truly breakthrough state-of-the-art The Astro Sport perfect school yard fun Install Astro Cobalt 020 becomes gentle Torgiving trainer Install Astro Cobalt 035 becomes schoolyard - show-off doing snappy rolls loops other schoolyard maneuvers Large wing lets land safely small spaces Span 37 area 292 sq original astro ac/dc charger imitated never equaled works both I Ov ac 2v dc Its variable charge rate lets charge nicad pack four seven cells up 1200 mahr just fifteen minutes precision 15 minute timer accurate ammeter voltage monitor jacks equalizer circuit pilot light VISIT YOUR DEALER TODAY AND SEE THE SCHOOLYARD CHAMPIONS proudly made USA Consumers Guide Radio Control Its ListedTHIRD Dont Need ItEDITION See hobby shop order direct $075 Price $795 plus $180 UPS total Foreign air mail $1348 $795 plus $5 50 U S dollars please Send Check MO Credit Curd Info Consumers Guide 150 Ott St Hurnsonhurg VA 22601 703 4340350 Nlcamc Address Charge Card No MC VISA CHOICE MasterCard lB # _____________________ Products Expiration flta Sianed shaft thrust line line fligjn hangar floor prop blade shown descending plumb line perpendicular flight path plumb line resting trailing edge descending blade angle attack can read measuring angular difference leading edgein case approximately 1 5O Picture #2 left side same airplane blade rising trailing edge bottom Note close plumb line leading trailing edge blade has very little angle attack propeller rotating wing must have positive angle attack generate thrust As airplane starts roll relative wind changes contact prop front aggravates angle attack situation accelerate Right rudder will have increased direct propor tion speed increase until tail allowed rise point thrust line line flight come together time P-factor cancelled equal thrust propeller blades longer distance between propeller hub center gravity leverage P-factor will have work withand pronounced effect will ways help minimize P-factor letter just help modelers understand enemy Airplanes sim ply sack variables molded aerodynamic shape propelled atmosphere unforgiving absolutes Keep nose front would happy correspond anyone interested subjects have discussed Don Taylor 1795 Jamie Dr Yuba City CA 95991 Members Clubs Id like comment Mr Bedells letter September 1986 issue think Mr Bedell should have said awful lot RC clubs general just flying clubs trying keep new people away whether know Some clubs act aloof cold newcomer finds hard get help Some clubs get engrossed internal politics scares new people away agree clubs probably dont need Continued page 14 12 Model Aviation r 13311 BEACH AVE NA DEL REY CA 90292 PHONE 213 8216242 Im going flying words conjure up images battles balky engines instead carefree days field youre using McDaniel R/C NiStarterTM light plug NiStartersTM heavy-duty nicad power will provide up 50 reliable quick starts charge features famous Head LockTM adapter brass reinforcing ring around crimped end really extends its life works sideways inverted information well NiStarter works just go local flying field may have wait NiStartersTM always flying McDaniel RIC F Incorporated I12206 Grnnevere Road enn Dale MD 20769 3011464-2260 Telex 287901 McD-UR take hassle out hobby ALL PURPOSE FOAM CU1TER Hands Off Cut II Especially Designed Tapered Wings HANDS OFF CUT II unique device cutting high quality foam wing cores hands off also cuts both sides same time Most modelers will amazed high quality smooth surface will achieve using device plus added advantage having wait until friends can come around help However just foam wing cutter HANDS OFF also capable cutting precision foam components such fuselage sections cowls tail surfaces HANDS OFF available hardware package assemble own board HANDS OFF CUT II requires 24 volt variable output power supply Easy assemble s approximately 15 minutes Dealers Wanted Hands Off Cut II Hardware Pkg $8750 plus $3 ship ft hand 24 Volt Variable Output Power Supply$5250 plus $3 ship ft hand ~I NORRAY PRODUCTSINC K 14 Model Aviation 5008 Sandbeach Road Wichita Falls TX 76310 IptwcardflTel 817 692-4475IVIS41 w initiation fee new member could use money join AMA help offset first months dues Sure some areas country have RC flying clubs others its partly case interest cant make person fly hes interested no clubs someones area perhaps person should start Lets look club belong instance Once person finds out about us through public awareness fly-ins hobby shop word mouth also local county fair showing RC videotapes handing out AMA litera ture will fill him points hobby dont turn anyone away wants join help him much possible explaining what takes learn fly what hell likely need cost factor big question newcomer break down minimum wife know wont break bank Remember hobbies sports cost money up decide much spend past minimum Well invite him clubs field right off main road visible everyone drives see us flying stop watch want newcomers see whats physically irtvolved troduce him club members new comers will also invited club meeting can talk modelers watch videotapes partake social ac tivities decides join well help him build set up plane well teach him fly safe manner Hell earn solo certificate some day will turn around help another newcomer enjoy field RC flying Remember person doesnt join club public awareness aspect vital importance continuance great hobby point clubs made up people its up people decide way club will go Frank Miccio Salem County RC MAC Pennsville NJ Flip Stiks Just thought might interested seeing what Ive done couple Midwest Sweet Stiks 20 40 call Continued page 140 634 7 283 3* 4 5 6 8 3 3&3/4 4 5 68 8*4566*7 9 4 566* 7 7* 10 4 5 6 6W 6* 7 8W 10 6EW 11 4 6 7 7* 7* 7&3/4 8 II 6KW 11*67 124W 5 SW 6 1356 1456 1556 16678 10*6 6* 7 NEW 12 6 6* 7 7* 8 13 677*8 14 6 7 7*8 15 67 16 678 PRICE $149 $179 $189 $199 $199 $209 $219 $229 $239 $239 $279 $359 $459 $659 $949 $239 $299 $389 $489 $689 $989 PYLON RACING 7 8&3/8 8&3/4 9 SN 5*N 6&3/4 7 7* 8 NEW 6* 6&3/4 7 7* 7&3/4 7 7* 7&3/4 $279 $299 $289 $289 W Wide blmle EW Extra wide N Narrow OLD TIMER SUPPLIES CARBON FIBER COILS CONDENSERS SILK TRANSISTOR IGMTION SYSTEMS TIMERS ETC REPLICA OR WICK ENGINES NE WI! 1/2A PLAYBOY SR FOR 1/2A TEXACO RIC FF ELECTRIC OR SPORT KIT $2995 SPECIALISTS IN CUSTOM COX TEE DEE & REED ENGINES 020S 049S 051S & 09S K & B CUSTOMIZED ENGINES FOR FF OR OLD TIMER ALSO COMPLETE LINE OF U/C & R/C RACING PARTS Openers/Wheeley Continued page 8 liked magazines balanced coverage areas hobby Nearly specialty between five 10 respondents wanted increase amount coverage his/her area interest most-mentioned specific topic about District Report columns AMA News section Sixty people com mented too much space devoted too much politics included way some commented would appear readers think things under control editor/publisherwhich isnt Readers wish influence amount space general content District Reports should contact AMA district vicepresidents preferably writing addresses AMA News section AMA News section including District Re ports complimented 11 respon dents Two other areas frequently men tioned articles beginners articles about basics how-to articles suggested 66 survey par ticipants Thirty-seven asked product reviews us include hands-on product evaluations survey results give us much think about act upon thanks everyone participated survey few minutes took complete form will help us better serve readers Carl Wheeley Editor Publisher Letters Editor Continued page 14 Flip Stiks couple minor additions built almost completely original kits Only few minor changes required both fly great 20 has OS 25FSR set up tight requires full attention flying 40 K&B flies like Caddy has center flap built-in bomb release Side-mounted Flip Stik K&B puts out 73 dB compared 85 regular Stiks will about anything want air lot fun Everyone asks what areand dont believe Im finishing second 40-size Flip Stik now think students going build fun-fly events CW Red Huntoon Howell MI Oslans Cloud Cruiser Since have seen no others thought would share picture Cloud Cruiser ship built MA Plan No 423 article November 1983 issue wanted Bob Oslan know somebody fell love Mine powered K&B 61 engine time would really idle works fine left picture taken beautiful Monroeville NJ flying site Clayton NJ club Cloud Cruisers twopiece wing removable tall feathers just fits Monte Carlo am retired now live remote section Pocono Mountains Penn sylvania have discovered another beauti ful flying field belonging West End Wings club Effort PA might able get planes out attic yet Jim Senior Pocono Lake PA Safety Preston Continued page 23 An example such incident reported August issue local clubs newsletter Dick Roe associate editor following report Safety safety safety though stress importance field safety never seems 140 Model Aviation OUR INVENTORY AVERAGES OVER 12000 PROPS! SPECIAL PRO SERIES DIAPITCH GLOW PLUG TAP Pl Ar $1400 polog poid within USA Ni r,dnt,dd 6%st, ton RFM Design Research po sox 2393 VINCENTOWN NJ 08088 1-4-32 tap 499 HARRY B HIGLEY 8 SONS INC P 0 BOX 532 GLENWOOD ILL 60425 DECIBAN SOUND LEVEL 95 5* 6NEW$209 10*6 6* 7 NEW$239 11*7*8NEW$269 127* 8NEW$299 FOUR-CYCLE TAILORED HELICAL PITCH ORDER BY MAIL OR PHONE 714 830-6162 SORRY NO COD VISA & MASTERCARD WELCOME DEALER INOUIRIES INVITED ALL PRICES POSTPAID MINIMUM ORDER $1000 FOR INSURANCE ADD $100 ORDERS SHIPPED WITHIN 24 HRS CALIF RESIDENTS ADD 6% TAX
Edition: Model Aviation - 1986/12
Page Numbers: 10, 12, 14, 140
Bi1I Cisg& Sa4p Scratch-building WE Plan N Pattern sets way go get best designs com plete Full-Size layouts parts drawings bill mater ials save up 50% over comparable kit costs Quarter Scale R/C World Wan SE-SA 80 Wingspan 0 2220 sq area 78 22 Engines Plan N Pattern Set RCQS-7.. $2495 SPAD C-XIII- World Wan Capable Flyer Captures Imagination 79/ Wingspan2120 sq area 13 31 Engines Plan N Pattern Set RCQS-8.. $2795 FOKKER TRIPLANE DR-I 72 Wingspan1772 sq area 78 150 Engines Plan N Pattern Set RCQS- 6.. $2495 Quarter Scale-Golden Age Curtis Falcon 114 Wingspan Quadra Size Engine 3168 sq area Plan N Pattern Set RCQS-13 . $2795 1/6 Scale-Golden Age French Mureau C-I56 Wingspan 450 sq area Plan N Pattern Set RC8S1$1295 WACO SRE Cabin Biplane R/C 52% Wingspan 640 sq areaFor 19 40 Engines Plan N Pattern Set RC8S-3$1295 Best Ducted Fans SKYRAY F4D-1 Plan Form - 1 Scale Duct Fan RIC RK-20 Fan Unit Plan N Pattern Set RCDF-1 1995 Sill Effinger Feundlag Member AMA PIFFS Hell lamer Prices Complete Plans Sub Assembly Detailed Parts Lists Add $200 Mailing Tube SEND FOR BROcHURE ahead crowd New Brochure showing new Plan Sets 1986 Send $100 its refundable first order WE Technical Services PO Box 76884-A Atlanta GA 30328 Torque Reaction January 1986 AMA magazine page 57 three pictures beautifully-built D- 18 Beech cap tion fallacy seems accepted RCers middle caption states Clearly visible take off shot deflection twin rudders compensate torque-induced yaw Way back Mr Newton said action equal opposite re action Torque commonly thought force used rotate something rotating propeller clockwise direction viewed cockpit crank shaft rotates less along roll axis airplane reason running engine turns prop because have restrained engine rotating fastening airframe Whatever amount power takes turn pro peller clockwise will exhausted airframe counterclockwise direction around crankshaft Therefore torque according Newton putting left roll force airframe ground roll force transferred runway surface addition weight subsequent drag left wheel variation drag between right left wheels yaw force torque exerts takeoff P-factor problem time thrust line line flight coincide reality thrust line usually engineered airframe compromise airplanes designed purpose ELECT TRAVIS McGINNIS AMA PRESIDENT AMA NATiONAL CENTER FOR AEROMODEUNG TIME FOR CHANGE Strong Leadership Working Together Sensitivity Commitment Results Experienced Administrator Lifelong Modeler Priority Issues Insurance Flying Sites Membership Services RIG Frequencies Youth Involvement Public Image Council Harmony Pard McGinnis AMA President Commtffee 10 Model Aviation Letters Editor letters will carefully considered general interest used Send Mod 1 Aviation 1810 Samuel Morse Dr Reston VA 22090 Puss Moth 73% Winosoan880 sq area Plan N vauern Set RC6S-3 95 1/8 Scale-Golden Age kocture upper AgCat right side three-point attitude line through center crankContinued page 12 SCHOOLYARD CHAMPIONS Astros two new schoolyard champions have power motors twice size new cobalt 020 weighs three ounce can spin Cox 6x4 10000 rpm four cells cobalt 035 weighs four ounces can spin cox 6x4 14000 rpm five cells Now can finally fly practical 1/2 size electric schoolyard model loading down TON OF BATTERIES Astro Challenger Cobalt 020 035 motors Truly breakthrough state-of-the-art The Astro Sport perfect school yard fun Install Astro Cobalt 020 becomes gentle Torgiving trainer Install Astro Cobalt 035 becomes schoolyard - show-off doing snappy rolls loops other schoolyard maneuvers Large wing lets land safely small spaces Span 37 area 292 sq original astro ac/dc charger imitated never equaled works both I Ov ac 2v dc Its variable charge rate lets charge nicad pack four seven cells up 1200 mahr just fifteen minutes precision 15 minute timer accurate ammeter voltage monitor jacks equalizer circuit pilot light VISIT YOUR DEALER TODAY AND SEE THE SCHOOLYARD CHAMPIONS proudly made USA Consumers Guide Radio Control Its ListedTHIRD Dont Need ItEDITION See hobby shop order direct $075 Price $795 plus $180 UPS total Foreign air mail $1348 $795 plus $5 50 U S dollars please Send Check MO Credit Curd Info Consumers Guide 150 Ott St Hurnsonhurg VA 22601 703 4340350 Nlcamc Address Charge Card No MC VISA CHOICE MasterCard lB # _____________________ Products Expiration flta Sianed shaft thrust line line fligjn hangar floor prop blade shown descending plumb line perpendicular flight path plumb line resting trailing edge descending blade angle attack can read measuring angular difference leading edgein case approximately 1 5O Picture #2 left side same airplane blade rising trailing edge bottom Note close plumb line leading trailing edge blade has very little angle attack propeller rotating wing must have positive angle attack generate thrust As airplane starts roll relative wind changes contact prop front aggravates angle attack situation accelerate Right rudder will have increased direct propor tion speed increase until tail allowed rise point thrust line line flight come together time P-factor cancelled equal thrust propeller blades longer distance between propeller hub center gravity leverage P-factor will have work withand pronounced effect will ways help minimize P-factor letter just help modelers understand enemy Airplanes sim ply sack variables molded aerodynamic shape propelled atmosphere unforgiving absolutes Keep nose front would happy correspond anyone interested subjects have discussed Don Taylor 1795 Jamie Dr Yuba City CA 95991 Members Clubs Id like comment Mr Bedells letter September 1986 issue think Mr Bedell should have said awful lot RC clubs general just flying clubs trying keep new people away whether know Some clubs act aloof cold newcomer finds hard get help Some clubs get engrossed internal politics scares new people away agree clubs probably dont need Continued page 14 12 Model Aviation r 13311 BEACH AVE NA DEL REY CA 90292 PHONE 213 8216242 Im going flying words conjure up images battles balky engines instead carefree days field youre using McDaniel R/C NiStarterTM light plug NiStartersTM heavy-duty nicad power will provide up 50 reliable quick starts charge features famous Head LockTM adapter brass reinforcing ring around crimped end really extends its life works sideways inverted information well NiStarter works just go local flying field may have wait NiStartersTM always flying McDaniel RIC F Incorporated I12206 Grnnevere Road enn Dale MD 20769 3011464-2260 Telex 287901 McD-UR take hassle out hobby ALL PURPOSE FOAM CU1TER Hands Off Cut II Especially Designed Tapered Wings HANDS OFF CUT II unique device cutting high quality foam wing cores hands off also cuts both sides same time Most modelers will amazed high quality smooth surface will achieve using device plus added advantage having wait until friends can come around help However just foam wing cutter HANDS OFF also capable cutting precision foam components such fuselage sections cowls tail surfaces HANDS OFF available hardware package assemble own board HANDS OFF CUT II requires 24 volt variable output power supply Easy assemble s approximately 15 minutes Dealers Wanted Hands Off Cut II Hardware Pkg $8750 plus $3 ship ft hand 24 Volt Variable Output Power Supply$5250 plus $3 ship ft hand ~I NORRAY PRODUCTSINC K 14 Model Aviation 5008 Sandbeach Road Wichita Falls TX 76310 IptwcardflTel 817 692-4475IVIS41 w initiation fee new member could use money join AMA help offset first months dues Sure some areas country have RC flying clubs others its partly case interest cant make person fly hes interested no clubs someones area perhaps person should start Lets look club belong instance Once person finds out about us through public awareness fly-ins hobby shop word mouth also local county fair showing RC videotapes handing out AMA litera ture will fill him points hobby dont turn anyone away wants join help him much possible explaining what takes learn fly what hell likely need cost factor big question newcomer break down minimum wife know wont break bank Remember hobbies sports cost money up decide much spend past minimum Well invite him clubs field right off main road visible everyone drives see us flying stop watch want newcomers see whats physically irtvolved troduce him club members new comers will also invited club meeting can talk modelers watch videotapes partake social ac tivities decides join well help him build set up plane well teach him fly safe manner Hell earn solo certificate some day will turn around help another newcomer enjoy field RC flying Remember person doesnt join club public awareness aspect vital importance continuance great hobby point clubs made up people its up people decide way club will go Frank Miccio Salem County RC MAC Pennsville NJ Flip Stiks Just thought might interested seeing what Ive done couple Midwest Sweet Stiks 20 40 call Continued page 140 634 7 283 3* 4 5 6 8 3 3&3/4 4 5 68 8*4566*7 9 4 566* 7 7* 10 4 5 6 6W 6* 7 8W 10 6EW 11 4 6 7 7* 7* 7&3/4 8 II 6KW 11*67 124W 5 SW 6 1356 1456 1556 16678 10*6 6* 7 NEW 12 6 6* 7 7* 8 13 677*8 14 6 7 7*8 15 67 16 678 PRICE $149 $179 $189 $199 $199 $209 $219 $229 $239 $239 $279 $359 $459 $659 $949 $239 $299 $389 $489 $689 $989 PYLON RACING 7 8&3/8 8&3/4 9 SN 5*N 6&3/4 7 7* 8 NEW 6* 6&3/4 7 7* 7&3/4 7 7* 7&3/4 $279 $299 $289 $289 W Wide blmle EW Extra wide N Narrow OLD TIMER SUPPLIES CARBON FIBER COILS CONDENSERS SILK TRANSISTOR IGMTION SYSTEMS TIMERS ETC REPLICA OR WICK ENGINES NE WI! 1/2A PLAYBOY SR FOR 1/2A TEXACO RIC FF ELECTRIC OR SPORT KIT $2995 SPECIALISTS IN CUSTOM COX TEE DEE & REED ENGINES 020S 049S 051S & 09S K & B CUSTOMIZED ENGINES FOR FF OR OLD TIMER ALSO COMPLETE LINE OF U/C & R/C RACING PARTS Openers/Wheeley Continued page 8 liked magazines balanced coverage areas hobby Nearly specialty between five 10 respondents wanted increase amount coverage his/her area interest most-mentioned specific topic about District Report columns AMA News section Sixty people com mented too much space devoted too much politics included way some commented would appear readers think things under control editor/publisherwhich isnt Readers wish influence amount space general content District Reports should contact AMA district vicepresidents preferably writing addresses AMA News section AMA News section including District Re ports complimented 11 respon dents Two other areas frequently men tioned articles beginners articles about basics how-to articles suggested 66 survey par ticipants Thirty-seven asked product reviews us include hands-on product evaluations survey results give us much think about act upon thanks everyone participated survey few minutes took complete form will help us better serve readers Carl Wheeley Editor Publisher Letters Editor Continued page 14 Flip Stiks couple minor additions built almost completely original kits Only few minor changes required both fly great 20 has OS 25FSR set up tight requires full attention flying 40 K&B flies like Caddy has center flap built-in bomb release Side-mounted Flip Stik K&B puts out 73 dB compared 85 regular Stiks will about anything want air lot fun Everyone asks what areand dont believe Im finishing second 40-size Flip Stik now think students going build fun-fly events CW Red Huntoon Howell MI Oslans Cloud Cruiser Since have seen no others thought would share picture Cloud Cruiser ship built MA Plan No 423 article November 1983 issue wanted Bob Oslan know somebody fell love Mine powered K&B 61 engine time would really idle works fine left picture taken beautiful Monroeville NJ flying site Clayton NJ club Cloud Cruisers twopiece wing removable tall feathers just fits Monte Carlo am retired now live remote section Pocono Mountains Penn sylvania have discovered another beauti ful flying field belonging West End Wings club Effort PA might able get planes out attic yet Jim Senior Pocono Lake PA Safety Preston Continued page 23 An example such incident reported August issue local clubs newsletter Dick Roe associate editor following report Safety safety safety though stress importance field safety never seems 140 Model Aviation OUR INVENTORY AVERAGES OVER 12000 PROPS! SPECIAL PRO SERIES DIAPITCH GLOW PLUG TAP Pl Ar $1400 polog poid within USA Ni r,dnt,dd 6%st, ton RFM Design Research po sox 2393 VINCENTOWN NJ 08088 1-4-32 tap 499 HARRY B HIGLEY 8 SONS INC P 0 BOX 532 GLENWOOD ILL 60425 DECIBAN SOUND LEVEL 95 5* 6NEW$209 10*6 6* 7 NEW$239 11*7*8NEW$269 127* 8NEW$299 FOUR-CYCLE TAILORED HELICAL PITCH ORDER BY MAIL OR PHONE 714 830-6162 SORRY NO COD VISA & MASTERCARD WELCOME DEALER INOUIRIES INVITED ALL PRICES POSTPAID MINIMUM ORDER $1000 FOR INSURANCE ADD $100 ORDERS SHIPPED WITHIN 24 HRS CALIF RESIDENTS ADD 6% TAX
Edition: Model Aviation - 1986/12
Page Numbers: 10, 12, 14, 140
Bi1I Cisg& Sa4p Scratch-building WE Plan N Pattern sets way go get best designs com plete Full-Size layouts parts drawings bill mater ials save up 50% over comparable kit costs Quarter Scale R/C World Wan SE-SA 80 Wingspan 0 2220 sq area 78 22 Engines Plan N Pattern Set RCQS-7.. $2495 SPAD C-XIII- World Wan Capable Flyer Captures Imagination 79/ Wingspan2120 sq area 13 31 Engines Plan N Pattern Set RCQS-8.. $2795 FOKKER TRIPLANE DR-I 72 Wingspan1772 sq area 78 150 Engines Plan N Pattern Set RCQS- 6.. $2495 Quarter Scale-Golden Age Curtis Falcon 114 Wingspan Quadra Size Engine 3168 sq area Plan N Pattern Set RCQS-13 . $2795 1/6 Scale-Golden Age French Mureau C-I56 Wingspan 450 sq area Plan N Pattern Set RC8S1$1295 WACO SRE Cabin Biplane R/C 52% Wingspan 640 sq areaFor 19 40 Engines Plan N Pattern Set RC8S-3$1295 Best Ducted Fans SKYRAY F4D-1 Plan Form - 1 Scale Duct Fan RIC RK-20 Fan Unit Plan N Pattern Set RCDF-1 1995 Sill Effinger Feundlag Member AMA PIFFS Hell lamer Prices Complete Plans Sub Assembly Detailed Parts Lists Add $200 Mailing Tube SEND FOR BROcHURE ahead crowd New Brochure showing new Plan Sets 1986 Send $100 its refundable first order WE Technical Services PO Box 76884-A Atlanta GA 30328 Torque Reaction January 1986 AMA magazine page 57 three pictures beautifully-built D- 18 Beech cap tion fallacy seems accepted RCers middle caption states Clearly visible take off shot deflection twin rudders compensate torque-induced yaw Way back Mr Newton said action equal opposite re action Torque commonly thought force used rotate something rotating propeller clockwise direction viewed cockpit crank shaft rotates less along roll axis airplane reason running engine turns prop because have restrained engine rotating fastening airframe Whatever amount power takes turn pro peller clockwise will exhausted airframe counterclockwise direction around crankshaft Therefore torque according Newton putting left roll force airframe ground roll force transferred runway surface addition weight subsequent drag left wheel variation drag between right left wheels yaw force torque exerts takeoff P-factor problem time thrust line line flight coincide reality thrust line usually engineered airframe compromise airplanes designed purpose ELECT TRAVIS McGINNIS AMA PRESIDENT AMA NATiONAL CENTER FOR AEROMODEUNG TIME FOR CHANGE Strong Leadership Working Together Sensitivity Commitment Results Experienced Administrator Lifelong Modeler Priority Issues Insurance Flying Sites Membership Services RIG Frequencies Youth Involvement Public Image Council Harmony Pard McGinnis AMA President Commtffee 10 Model Aviation Letters Editor letters will carefully considered general interest used Send Mod 1 Aviation 1810 Samuel Morse Dr Reston VA 22090 Puss Moth 73% Winosoan880 sq area Plan N vauern Set RC6S-3 95 1/8 Scale-Golden Age kocture upper AgCat right side three-point attitude line through center crankContinued page 12 SCHOOLYARD CHAMPIONS Astros two new schoolyard champions have power motors twice size new cobalt 020 weighs three ounce can spin Cox 6x4 10000 rpm four cells cobalt 035 weighs four ounces can spin cox 6x4 14000 rpm five cells Now can finally fly practical 1/2 size electric schoolyard model loading down TON OF BATTERIES Astro Challenger Cobalt 020 035 motors Truly breakthrough state-of-the-art The Astro Sport perfect school yard fun Install Astro Cobalt 020 becomes gentle Torgiving trainer Install Astro Cobalt 035 becomes schoolyard - show-off doing snappy rolls loops other schoolyard maneuvers Large wing lets land safely small spaces Span 37 area 292 sq original astro ac/dc charger imitated never equaled works both I Ov ac 2v dc Its variable charge rate lets charge nicad pack four seven cells up 1200 mahr just fifteen minutes precision 15 minute timer accurate ammeter voltage monitor jacks equalizer circuit pilot light VISIT YOUR DEALER TODAY AND SEE THE SCHOOLYARD CHAMPIONS proudly made USA Consumers Guide Radio Control Its ListedTHIRD Dont Need ItEDITION See hobby shop order direct $075 Price $795 plus $180 UPS total Foreign air mail $1348 $795 plus $5 50 U S dollars please Send Check MO Credit Curd Info Consumers Guide 150 Ott St Hurnsonhurg VA 22601 703 4340350 Nlcamc Address Charge Card No MC VISA CHOICE MasterCard lB # _____________________ Products Expiration flta Sianed shaft thrust line line fligjn hangar floor prop blade shown descending plumb line perpendicular flight path plumb line resting trailing edge descending blade angle attack can read measuring angular difference leading edgein case approximately 1 5O Picture #2 left side same airplane blade rising trailing edge bottom Note close plumb line leading trailing edge blade has very little angle attack propeller rotating wing must have positive angle attack generate thrust As airplane starts roll relative wind changes contact prop front aggravates angle attack situation accelerate Right rudder will have increased direct propor tion speed increase until tail allowed rise point thrust line line flight come together time P-factor cancelled equal thrust propeller blades longer distance between propeller hub center gravity leverage P-factor will have work withand pronounced effect will ways help minimize P-factor letter just help modelers understand enemy Airplanes sim ply sack variables molded aerodynamic shape propelled atmosphere unforgiving absolutes Keep nose front would happy correspond anyone interested subjects have discussed Don Taylor 1795 Jamie Dr Yuba City CA 95991 Members Clubs Id like comment Mr Bedells letter September 1986 issue think Mr Bedell should have said awful lot RC clubs general just flying clubs trying keep new people away whether know Some clubs act aloof cold newcomer finds hard get help Some clubs get engrossed internal politics scares new people away agree clubs probably dont need Continued page 14 12 Model Aviation r 13311 BEACH AVE NA DEL REY CA 90292 PHONE 213 8216242 Im going flying words conjure up images battles balky engines instead carefree days field youre using McDaniel R/C NiStarterTM light plug NiStartersTM heavy-duty nicad power will provide up 50 reliable quick starts charge features famous Head LockTM adapter brass reinforcing ring around crimped end really extends its life works sideways inverted information well NiStarter works just go local flying field may have wait NiStartersTM always flying McDaniel RIC F Incorporated I12206 Grnnevere Road enn Dale MD 20769 3011464-2260 Telex 287901 McD-UR take hassle out hobby ALL PURPOSE FOAM CU1TER Hands Off Cut II Especially Designed Tapered Wings HANDS OFF CUT II unique device cutting high quality foam wing cores hands off also cuts both sides same time Most modelers will amazed high quality smooth surface will achieve using device plus added advantage having wait until friends can come around help However just foam wing cutter HANDS OFF also capable cutting precision foam components such fuselage sections cowls tail surfaces HANDS OFF available hardware package assemble own board HANDS OFF CUT II requires 24 volt variable output power supply Easy assemble s approximately 15 minutes Dealers Wanted Hands Off Cut II Hardware Pkg $8750 plus $3 ship ft hand 24 Volt Variable Output Power Supply$5250 plus $3 ship ft hand ~I NORRAY PRODUCTSINC K 14 Model Aviation 5008 Sandbeach Road Wichita Falls TX 76310 IptwcardflTel 817 692-4475IVIS41 w initiation fee new member could use money join AMA help offset first months dues Sure some areas country have RC flying clubs others its partly case interest cant make person fly hes interested no clubs someones area perhaps person should start Lets look club belong instance Once person finds out about us through public awareness fly-ins hobby shop word mouth also local county fair showing RC videotapes handing out AMA litera ture will fill him points hobby dont turn anyone away wants join help him much possible explaining what takes learn fly what hell likely need cost factor big question newcomer break down minimum wife know wont break bank Remember hobbies sports cost money up decide much spend past minimum Well invite him clubs field right off main road visible everyone drives see us flying stop watch want newcomers see whats physically irtvolved troduce him club members new comers will also invited club meeting can talk modelers watch videotapes partake social ac tivities decides join well help him build set up plane well teach him fly safe manner Hell earn solo certificate some day will turn around help another newcomer enjoy field RC flying Remember person doesnt join club public awareness aspect vital importance continuance great hobby point clubs made up people its up people decide way club will go Frank Miccio Salem County RC MAC Pennsville NJ Flip Stiks Just thought might interested seeing what Ive done couple Midwest Sweet Stiks 20 40 call Continued page 140 634 7 283 3* 4 5 6 8 3 3&3/4 4 5 68 8*4566*7 9 4 566* 7 7* 10 4 5 6 6W 6* 7 8W 10 6EW 11 4 6 7 7* 7* 7&3/4 8 II 6KW 11*67 124W 5 SW 6 1356 1456 1556 16678 10*6 6* 7 NEW 12 6 6* 7 7* 8 13 677*8 14 6 7 7*8 15 67 16 678 PRICE $149 $179 $189 $199 $199 $209 $219 $229 $239 $239 $279 $359 $459 $659 $949 $239 $299 $389 $489 $689 $989 PYLON RACING 7 8&3/8 8&3/4 9 SN 5*N 6&3/4 7 7* 8 NEW 6* 6&3/4 7 7* 7&3/4 7 7* 7&3/4 $279 $299 $289 $289 W Wide blmle EW Extra wide N Narrow OLD TIMER SUPPLIES CARBON FIBER COILS CONDENSERS SILK TRANSISTOR IGMTION SYSTEMS TIMERS ETC REPLICA OR WICK ENGINES NE WI! 1/2A PLAYBOY SR FOR 1/2A TEXACO RIC FF ELECTRIC OR SPORT KIT $2995 SPECIALISTS IN CUSTOM COX TEE DEE & REED ENGINES 020S 049S 051S & 09S K & B CUSTOMIZED ENGINES FOR FF OR OLD TIMER ALSO COMPLETE LINE OF U/C & R/C RACING PARTS Openers/Wheeley Continued page 8 liked magazines balanced coverage areas hobby Nearly specialty between five 10 respondents wanted increase amount coverage his/her area interest most-mentioned specific topic about District Report columns AMA News section Sixty people com mented too much space devoted too much politics included way some commented would appear readers think things under control editor/publisherwhich isnt Readers wish influence amount space general content District Reports should contact AMA district vicepresidents preferably writing addresses AMA News section AMA News section including District Re ports complimented 11 respon dents Two other areas frequently men tioned articles beginners articles about basics how-to articles suggested 66 survey par ticipants Thirty-seven asked product reviews us include hands-on product evaluations survey results give us much think about act upon thanks everyone participated survey few minutes took complete form will help us better serve readers Carl Wheeley Editor Publisher Letters Editor Continued page 14 Flip Stiks couple minor additions built almost completely original kits Only few minor changes required both fly great 20 has OS 25FSR set up tight requires full attention flying 40 K&B flies like Caddy has center flap built-in bomb release Side-mounted Flip Stik K&B puts out 73 dB compared 85 regular Stiks will about anything want air lot fun Everyone asks what areand dont believe Im finishing second 40-size Flip Stik now think students going build fun-fly events CW Red Huntoon Howell MI Oslans Cloud Cruiser Since have seen no others thought would share picture Cloud Cruiser ship built MA Plan No 423 article November 1983 issue wanted Bob Oslan know somebody fell love Mine powered K&B 61 engine time would really idle works fine left picture taken beautiful Monroeville NJ flying site Clayton NJ club Cloud Cruisers twopiece wing removable tall feathers just fits Monte Carlo am retired now live remote section Pocono Mountains Penn sylvania have discovered another beauti ful flying field belonging West End Wings club Effort PA might able get planes out attic yet Jim Senior Pocono Lake PA Safety Preston Continued page 23 An example such incident reported August issue local clubs newsletter Dick Roe associate editor following report Safety safety safety though stress importance field safety never seems 140 Model Aviation OUR INVENTORY AVERAGES OVER 12000 PROPS! SPECIAL PRO SERIES DIAPITCH GLOW PLUG TAP Pl Ar $1400 polog poid within USA Ni r,dnt,dd 6%st, ton RFM Design Research po sox 2393 VINCENTOWN NJ 08088 1-4-32 tap 499 HARRY B HIGLEY 8 SONS INC P 0 BOX 532 GLENWOOD ILL 60425 DECIBAN SOUND LEVEL 95 5* 6NEW$209 10*6 6* 7 NEW$239 11*7*8NEW$269 127* 8NEW$299 FOUR-CYCLE TAILORED HELICAL PITCH ORDER BY MAIL OR PHONE 714 830-6162 SORRY NO COD VISA & MASTERCARD WELCOME DEALER INOUIRIES INVITED ALL PRICES POSTPAID MINIMUM ORDER $1000 FOR INSURANCE ADD $100 ORDERS SHIPPED WITHIN 24 HRS CALIF RESIDENTS ADD 6% TAX