Free Flight DURA TION Bob Meuser OBSERVATIONS gentlemanly art whittling virtually book concerns itself woodsy lore will admonish reader always cut away himself never toward himself sure follow advice will minimize chances ofslicing finger sure hold work left hand above part whittled push knife away yourself right hand will find very difficult cut finger might sever some other portion anatomy its time honored place resi denceor commit mayhem innocent stander good advice doesnt go far enough Besides cutting toward yourself absolute necessity under some circumstances prop carving best learn to safely key avoiding getting cut up think Editors note cut think same time RMcM instant chip going break loose rather unpredictable usually still some force applied blade chip breaks loose So think about what can happen chip breaks loose blade goes sailing forth uninhibited certain forward motion blade particu larly hand holds can continue short distance can no damage man beast process Usually simply pushing agains right hand thumb left hand takes care whole problem would prudent have supply adhesive bandages hand speak bloodt props Im using adjective usual British sense Two other ways skin b first almost identical scheme ribhacking used world-class Nordic Glider flier Jim Walters A/2s identical used world-class big talker Robert B Meuser Scale model two see sketches Step make sort-of stretched-out rib template top bottom surfaces template replicate top bottom surfaces rib usual lot distance between two makes filing template bit easier good chunk metal stick bench vise TE template doesnt go squirrely file teeth accidentally catch metal Step 2 cut negative lowersurface shape hard balsa perhaps plywood using lower-surface template course glue cyanoacrylate back template correct position Steps 3 4 actual cutting ribs Cut sheet stock correct width overwidth shown clarity sketches Position template shown Sketch 3 cut lower profile Position template shown Sketch 4 guide glued template Step 2 pushed against surface cut Step 3 gives Rib 1 Now Ill just bet can figure out cut rest ribs yourselves always manage make simple things seem complicated Send SSAE six-page disclosure Put Ones Socks Ones Feet second rib-hacking scheme has used some success Ted Colby Ryukyuan Aeromodelers Society 3/32-in pins spe cified sketches seem right ribs about 5-in chord scale up down appro priate Step make conventional template sheet aluminum drill two holes well separated low-stress regions tem plate using template guide drive two music-wire pins through holes template wood cutting board Let pins protrude about 4 Step 3 remove template position rib stock proper regard grain direction drill holes rib stock using template guide Drill hunch youre plop rib stock over pins cutting board plop template over cut around template have yourself rib Weve presented several rib-cutting schemes before havent told about best scheme unless have computercontrolled laser profiler wouldnt much good Whats best depends shape size rib own capabilities skills tools whims Read think follow own noses Record Pennyplane After looking front side views Dave Hagens record-setting Pennyplane vomiting appropriately find difficult realize anything Pennyplane becoming official AMA event beginnerss event hah Later tried get rules changed outlaw biplanes event event firmly entrenched among expert Indoor fliers became outsider trying impose personal whims upon generally taken seriously because numerous personal defi ciencies including species mother has now become abundantly clear few minor exceptions biplanes win Winning aint everything sure beats heck Out 54 Model Aviation Thirteen-yearold Richie Scott Albany IN beat oldsters win Open HLG Blue grass FF Championships Lexington KY last July 11 also won Jr High-Time trophy Photo Bill Barr Mike McKeever AL-29 built NFFS plans Hardware includes Hatschek circletow hookand Tatone timer Mike used itto win 1981 Livotto Invitational Taft CA Rib-template technique No 1 picture augments 1000 words column / 3 1 ft 4 - -- 2* ft losing David Hagen person universe Ive conned building model design Id never built myself used model shown sketch establish new Category II record 10 mm. 42 sec Dave explains built couple days week before Record Trials built strong solid motor stick tail boom save weight covered heavy green microfilm came out 29 grams requiring 02 grams ballast cant knock heavy microfilm easiest available coverings use provided have good mike liquid else fails try plain old nitrate dope Black Japanese tissue available again Mike Mulligan real Mister Mulligan passes along unconfirmed rumor Oldtimer Models expecting now should have received large supply genuine black Japanese tissue should good news have doctoring other colors Sharpie pen order have bit use trim strips works well incidentally bit nuisance goes 40C sheet address PO Box 913 Westminster CA 92683 subtle humor escaped Mike Mulligan Chief Honcho down Oldtimer Model Works UnlimMulvi model have doubt heard Unlimited Mulvihill event run US Free Flight Champs over Memorial Day year flight dawn AMA Mulvihill models Bob White always wins Loren Williams cohorts have working event real hard over past couple years have come up gorgeously engineered design should pay off against Whites skill dedication After 1982 USFFC wrote Loren suggesting some modifications design turns Out already thought mods lot theyre incorporated designs 1983 examples now under construction point-of-departure Team Williams design nowadayssort-of-traditional English Open Rubber design fine example McGillivray/ Allnutt Blimp Perhaps next month Ill able give three-view new design last years would make excellent generalpurpose Mulvihill model might give source plans provided manage get clutch typewriter engaged NFFS publishes biggestever Sympo Report Yep 1982 Sxmpo Report contains 167 large family-size 812 x 11-in pages chock full goodies ranging practical how-to-do-it stuff some pretty advanced theoretical stuff kick off article Hardy Brodersen NFFS Executive Director AMA Vice President therefore AMA Executive Council member makes pitch FAI fliers being permitted continue administer selection teams fly World Championships its now well-established system rather allowing big decisions made Executive Councilthat could happenwhile same time giving lot lip service Council recommendations Thats followed intro duction perennial Ssmpo editor Jim Bennett Mario Rocca Alberto DallOglio both former World Champions FAT Power DallOglio also builder AD-15 engine discuss latest experiments models engines one-blade folding props Andy Bauer hooks propeller performance calculated using formulas presented previous Sympos Eugene Larrabee engine per formance comes up among other things interesting explanation prediction rpm heard person launch point compared heard someone far away Theyre much different Dave Benepe does somewhat similar thing using several batches wind-tunnel measurements model prop chai acteristics Dave Sugden runs through proper first-order structural analyss two-blade folding FAI Power prop discusses some practical problems making work Harry Murphy presents short down-home discussion about airfoils like what think youre getting slice out ribs vs what really get covering does whatever its nature little half-page jewel Reid Hull about carving Power props sixth century Free Flighters have telling other someone should January 198355 Rib-template technique No 2 steel pins hold balsa rib blank template position slicing Continued page 142 usieIseringwontneLI uola berg Memorial /2ATropnyatthe3gth Midwest em States Outdoor Championships Bong Field WI last August 29 timer former Nats champ Bob Watson Chicago Aeronuts photography M Jaster 0 Curth Photographer Harry Murphy sends us shot Central Indiana Aeromodelers CIA presi dent Moe Whittemore Chops II Wake field has twin booms twin geared motors Harry claims Moe multi-talented prolific thinker built own wind tunnel finds timeto build models runa recording studio FOR THE NOVICES FIRST GLIDER ace highDesigned person wants get feet wet RIC power assist gliding Ace high ideal Foam wing construction overcomes biggest problem novice Ace High perfect companion Pulse Commander Baby Twin Standard System Small two channel radios such Digital Commander may also used 501202Ace High Kit $2150 TAPER ACE Rib Profiler makes tapered eliptical wing design easy Curve plates provided draw 3 different full symmetrical 3 different semi-symmetrical airfoils Flat bottom airfoils can also drawn Send check MO $2495 Jim Denaro Model Products 543 Bedford Street Concord MA 01742 Works faster computer Adjusts locks size rib instantly Span 70 Area 350sq Length 35 Weight 22-25 oz R/O Functions Rudder Only Rudder-Elevator IAk rn/C mini Box 511 E Hgunsville Mo 64037 RC Helicopters/Chesney Continued page 43 Calabasa CA 91302 course Schiuter represeted excellent examples Cheyenne Bell 222 BO-lOS Cheyenne painted scalelike could see possibilities unique machine Bobs example did have retract landing gear installed BO-105 its four-blade rotor system really looked neat Bob has thing about cockpit detail particularly about leather pilot seats such detail Scale fleet would have looked impressive Luckily didnt have radios installed machines he would have gotten very tired asking in-flight photos few fleet safely tucked away caravanned down local school flying session Joining flying spectating fun Lee Hovis Rodney Putnam Capers Jordan amd Bobs sons Robbie Bruce Modlin thunderstorms feared earlier never appeared no excuse try fly Baileys Kalt using two-stick mode first settle nerves old reliable ProLine single stick Cricket hot day must say became quite frustrated Cricket dayit refused lift hot asphalt first little 15% nitro fuel solved problem remaining time ball flying circuits really worked OS 25FSR hard making quick departures rapid approaches hover Cricket can very enjoyable machine just-for-the-fun-of-it flying once solved fuel problem its probably asking too much Cricket 25FSRto fly such high density altitude 0% nitro became complete ly caught up sheer fun asking forand receivingcomplete cooperation little chopper could make no mistakes until engine sagged landed little hard breaking main rotor blade Bailey readied Kalt Baron Lee Hovis Bob Modlin flew Kalts seen Baileys machine fly few weeks before flight Kalts day impressed potential machine Bailey flew few circuits Kalt its Apollo radio turned machine over some quick hover flights new radio played Apollo features long enough convince myelf two things may difficult teach old dog new tricks bells whistles Apollo will sure helpbutthis old dog likes single-stick will proceed Ace Silver Seven didnt crash Baileys ma chine though turned Kalt Apollo back him enjoy balance afternoon Capers Jordan brought Mini Boy little hover practice seemed enjoy stability 40-powered machine still have flown Mini Boy probably will day since am becoming interested smaller machines because much easier transport Crickets Mini Boys Kalt 20s sure fit small cars better Some weekends will always memorable Thanks Bob Modlin others sharing See next month Dave Chesney PO Box 16612 Greensboro NC 27406 FF Duration/Meuser Continued page 55 build decent state-of-the-art electronic timer Power models replace highly developed fundamentally archaic mechanical contri vances weve using Basically acceptable analog later digital timing devices have around long time hitch has always conversion final signal electroniksworks mechan iksworks has job doing Well Tom Kosters whole route several basic systems seemed terrific paper insurmountable deficiencies used field battle finally came up has answers neat touch black box plugged model set things up Punch desired times various functions calculator-like keyboard times pop up digital display thought-provoking article Jean Watzenriether France dynamics Wakefield models play tail area aspect ratio moment arm order obtain optimum trim during phases flight resorting torque- timer-oper ated gadgetry Very little math involved heady stuff nonetheless theres article similar vein Giora Herzberg Amos Hadas Israel both have combination excellent technical backgrounds ample practical experience Wakefield models Meanwhile back Western Hemisphere interview Bob White Walt Rozelle Bob tells about selection care treatment lubrication winding rubber motors Well am just third way through report some best yet come Im already running out space time So Ill simple have list remainder com ment Consumers Report Wake Up Rich Sanders Nordic Wings Tom Thompson Aspect Ratio EJA Nordic Glider Wings Martin Pressnell Optimum FAI Indoor Model Wing Walter Erbach Design Over 55 Jim Bennett tracing history im provements Indoor performances pair reprints classical articles Indoor model performance W Hewitt Phillips 1939 Max Hacklinger 1962 chronicle Nagoya Cup meet Japan Stan Stoy Airfoil Turbulators Invigorators Martyn Pressnell Mohamad Selamat Bin Bakin Asvm metrical Wings William Baker Minimum Induced Drag Center Gravity Position Dennis Phillips Airfoil Base Chord Cliff McBain Flying Models Japan Koei 142 Model Aviation beautiful smooth flying WW1 classic machine eo wingspan 15 lbs using l engines up SPECIAL EDITION KITs32gOO ouelal.m MASIER AIRSC1IIW PRESENTS BALSA STRIPPER A95 9AT YOUR DEALER PRECISION STRIP WOOD TO x INS FROM BALSA SHEET ALSO FOR DRAFTING AND PHOTO MATS USES TYPE II BLADE SUPER TOOL GREAT PRICE WINDSOR PROPELLER CO 384 Tesconi Ct. Santa Rosa CA 95401 W4AGEMENT AR 39 USC 3655 TION Tsuda and course whole bunch incisive cartoons Will Nakashima put perspective come NFFS Hall Fame awards Ten Model Year awards followed compilation who-won-whatLEADER IN SMALL AIRFOIL TECHNOLOGY MASTER AIRSCREW M3SWV bLSb6V RAASTER AIR IMPROVED THROUGH FOUR YEARS OF PRODUCTION THE G/F SERIES IS UNEQUALED FOR PERFORMANCE & DURABILITY AVAILABLE WORLDWIDE THROUGH 131 DISTRIBUTORS 384 Tesconi Ct and-when going back year indexes previous Sympo reports Wrap-up list NFFS Plans Publications unfortun ately current Order report Fred Terzian 4858 Moorpark Ave San Jose CA 95129 Price $10 NFFS members purchasers outside USA $11 others Postage $2 Fourth Class $3 Air Mail Canada Mexico $5 Air Mail Europe $6 Air Mail Far East wonder means like Detroit Bob Meuser 4200 Gregory St Oakland CA 94619 CL Racing/Ballard Continued page 65 feed tank outboard side profile fuselage tank choice competitors utilizes Uniflo principle majority tanks rectangular shape installed inboard side fuselage flier utilizes swing weight needle valve minimize transition between takeoff terminal air speed 1982 Rules Proposals have recently received some mail competitors concerning some proposed rule changes certainly has some merit 0%-nitro rule Editors note proposal No CL-84-22 See De cembers Competition Newsletter rules pro posal summaries RMcM would limit available nitro content Slow Rat event 10% nitro would furnished Contest Director competitor would assessed small fee cover fuel cost think WINDSOR PROPELLER CO Santa Rosa CA 95401 competitors Slow Rat using about 50-60% nitro fuelwhich certainly causes fuel consumption particular event excessive good 20% fuel used spilled ground filling tank during numerous test starts initial start three pit stops required feature 140-lap race two pit stops required 70-lap qualifying heats would like hear views 10% nitro rule John C Ballard 10102 Kimblewick Dr Louisville KY 40223 AMA Building/Mankowski Continued page 53 kay RC Modelers Camarillo Flying Circus Fresno Radio Modelers Anthony Novak James Thornberry Evansville RC Model Airplane Club Renewal message another opportuni ty help Building Fund AMA renewal forms sent 1982 member has place add contribution drive hope everyone uses because everyone gave just $10 building could paid off completely Its important renew early too listing 1983 AMA members signed up December 15 1982 will used wall cov ering new building show AMA members building completed Renew earlydont get left out Vince Mankowski Assistant Executive Director January 1983 143 CONTROLIKE TINIS PROFILE0COMBA ThRA T WIDE & NARROW WEDGE 75 -- 6 Capacities UNIFLOW & BTINDD Custom Dliii Fuels Ingredients detailed brochure50C stamps/check CAROLINA TAFFINDER 8345 Delhi Road Charleston Hgts. SC 29405 Introducing . New HIGH-PERFORMANCE HIGH-STARTS! Cat #S-13 1 Deluxe Super-Duty Hi-Start Cat #S-14 E Deluxe Shofl Field HI-Stan Cat #9-131 1 Replacement Latex Tubing Super-Duty Hi-Start Cat #S-141 [1 Replacement Latex Tubing Short Field HI-Start SUPER-DUTY LAUNCH 100 Wingapana Greater SHORT FIELD LAUNCH Daaigned Limited Space Standard Clasa SalIplanes Smaller COMPLETELY ASSEMBLED READY TO USE Paul Clements KTTT KIWI MODELI RR 2 P011 End 47454 wrne t.n oatco-360l 723-3480
Edition: Model Aviation - 1983/01
Page Numbers: 54, 55, 142, 143
Free Flight DURA TION Bob Meuser OBSERVATIONS gentlemanly art whittling virtually book concerns itself woodsy lore will admonish reader always cut away himself never toward himself sure follow advice will minimize chances ofslicing finger sure hold work left hand above part whittled push knife away yourself right hand will find very difficult cut finger might sever some other portion anatomy its time honored place resi denceor commit mayhem innocent stander good advice doesnt go far enough Besides cutting toward yourself absolute necessity under some circumstances prop carving best learn to safely key avoiding getting cut up think Editors note cut think same time RMcM instant chip going break loose rather unpredictable usually still some force applied blade chip breaks loose So think about what can happen chip breaks loose blade goes sailing forth uninhibited certain forward motion blade particu larly hand holds can continue short distance can no damage man beast process Usually simply pushing agains right hand thumb left hand takes care whole problem would prudent have supply adhesive bandages hand speak bloodt props Im using adjective usual British sense Two other ways skin b first almost identical scheme ribhacking used world-class Nordic Glider flier Jim Walters A/2s identical used world-class big talker Robert B Meuser Scale model two see sketches Step make sort-of stretched-out rib template top bottom surfaces template replicate top bottom surfaces rib usual lot distance between two makes filing template bit easier good chunk metal stick bench vise TE template doesnt go squirrely file teeth accidentally catch metal Step 2 cut negative lowersurface shape hard balsa perhaps plywood using lower-surface template course glue cyanoacrylate back template correct position Steps 3 4 actual cutting ribs Cut sheet stock correct width overwidth shown clarity sketches Position template shown Sketch 3 cut lower profile Position template shown Sketch 4 guide glued template Step 2 pushed against surface cut Step 3 gives Rib 1 Now Ill just bet can figure out cut rest ribs yourselves always manage make simple things seem complicated Send SSAE six-page disclosure Put Ones Socks Ones Feet second rib-hacking scheme has used some success Ted Colby Ryukyuan Aeromodelers Society 3/32-in pins spe cified sketches seem right ribs about 5-in chord scale up down appro priate Step make conventional template sheet aluminum drill two holes well separated low-stress regions tem plate using template guide drive two music-wire pins through holes template wood cutting board Let pins protrude about 4 Step 3 remove template position rib stock proper regard grain direction drill holes rib stock using template guide Drill hunch youre plop rib stock over pins cutting board plop template over cut around template have yourself rib Weve presented several rib-cutting schemes before havent told about best scheme unless have computercontrolled laser profiler wouldnt much good Whats best depends shape size rib own capabilities skills tools whims Read think follow own noses Record Pennyplane After looking front side views Dave Hagens record-setting Pennyplane vomiting appropriately find difficult realize anything Pennyplane becoming official AMA event beginnerss event hah Later tried get rules changed outlaw biplanes event event firmly entrenched among expert Indoor fliers became outsider trying impose personal whims upon generally taken seriously because numerous personal defi ciencies including species mother has now become abundantly clear few minor exceptions biplanes win Winning aint everything sure beats heck Out 54 Model Aviation Thirteen-yearold Richie Scott Albany IN beat oldsters win Open HLG Blue grass FF Championships Lexington KY last July 11 also won Jr High-Time trophy Photo Bill Barr Mike McKeever AL-29 built NFFS plans Hardware includes Hatschek circletow hookand Tatone timer Mike used itto win 1981 Livotto Invitational Taft CA Rib-template technique No 1 picture augments 1000 words column / 3 1 ft 4 - -- 2* ft losing David Hagen person universe Ive conned building model design Id never built myself used model shown sketch establish new Category II record 10 mm. 42 sec Dave explains built couple days week before Record Trials built strong solid motor stick tail boom save weight covered heavy green microfilm came out 29 grams requiring 02 grams ballast cant knock heavy microfilm easiest available coverings use provided have good mike liquid else fails try plain old nitrate dope Black Japanese tissue available again Mike Mulligan real Mister Mulligan passes along unconfirmed rumor Oldtimer Models expecting now should have received large supply genuine black Japanese tissue should good news have doctoring other colors Sharpie pen order have bit use trim strips works well incidentally bit nuisance goes 40C sheet address PO Box 913 Westminster CA 92683 subtle humor escaped Mike Mulligan Chief Honcho down Oldtimer Model Works UnlimMulvi model have doubt heard Unlimited Mulvihill event run US Free Flight Champs over Memorial Day year flight dawn AMA Mulvihill models Bob White always wins Loren Williams cohorts have working event real hard over past couple years have come up gorgeously engineered design should pay off against Whites skill dedication After 1982 USFFC wrote Loren suggesting some modifications design turns Out already thought mods lot theyre incorporated designs 1983 examples now under construction point-of-departure Team Williams design nowadayssort-of-traditional English Open Rubber design fine example McGillivray/ Allnutt Blimp Perhaps next month Ill able give three-view new design last years would make excellent generalpurpose Mulvihill model might give source plans provided manage get clutch typewriter engaged NFFS publishes biggestever Sympo Report Yep 1982 Sxmpo Report contains 167 large family-size 812 x 11-in pages chock full goodies ranging practical how-to-do-it stuff some pretty advanced theoretical stuff kick off article Hardy Brodersen NFFS Executive Director AMA Vice President therefore AMA Executive Council member makes pitch FAI fliers being permitted continue administer selection teams fly World Championships its now well-established system rather allowing big decisions made Executive Councilthat could happenwhile same time giving lot lip service Council recommendations Thats followed intro duction perennial Ssmpo editor Jim Bennett Mario Rocca Alberto DallOglio both former World Champions FAT Power DallOglio also builder AD-15 engine discuss latest experiments models engines one-blade folding props Andy Bauer hooks propeller performance calculated using formulas presented previous Sympos Eugene Larrabee engine per formance comes up among other things interesting explanation prediction rpm heard person launch point compared heard someone far away Theyre much different Dave Benepe does somewhat similar thing using several batches wind-tunnel measurements model prop chai acteristics Dave Sugden runs through proper first-order structural analyss two-blade folding FAI Power prop discusses some practical problems making work Harry Murphy presents short down-home discussion about airfoils like what think youre getting slice out ribs vs what really get covering does whatever its nature little half-page jewel Reid Hull about carving Power props sixth century Free Flighters have telling other someone should January 198355 Rib-template technique No 2 steel pins hold balsa rib blank template position slicing Continued page 142 usieIseringwontneLI uola berg Memorial /2ATropnyatthe3gth Midwest em States Outdoor Championships Bong Field WI last August 29 timer former Nats champ Bob Watson Chicago Aeronuts photography M Jaster 0 Curth Photographer Harry Murphy sends us shot Central Indiana Aeromodelers CIA presi dent Moe Whittemore Chops II Wake field has twin booms twin geared motors Harry claims Moe multi-talented prolific thinker built own wind tunnel finds timeto build models runa recording studio FOR THE NOVICES FIRST GLIDER ace highDesigned person wants get feet wet RIC power assist gliding Ace high ideal Foam wing construction overcomes biggest problem novice Ace High perfect companion Pulse Commander Baby Twin Standard System Small two channel radios such Digital Commander may also used 501202Ace High Kit $2150 TAPER ACE Rib Profiler makes tapered eliptical wing design easy Curve plates provided draw 3 different full symmetrical 3 different semi-symmetrical airfoils Flat bottom airfoils can also drawn Send check MO $2495 Jim Denaro Model Products 543 Bedford Street Concord MA 01742 Works faster computer Adjusts locks size rib instantly Span 70 Area 350sq Length 35 Weight 22-25 oz R/O Functions Rudder Only Rudder-Elevator IAk rn/C mini Box 511 E Hgunsville Mo 64037 RC Helicopters/Chesney Continued page 43 Calabasa CA 91302 course Schiuter represeted excellent examples Cheyenne Bell 222 BO-lOS Cheyenne painted scalelike could see possibilities unique machine Bobs example did have retract landing gear installed BO-105 its four-blade rotor system really looked neat Bob has thing about cockpit detail particularly about leather pilot seats such detail Scale fleet would have looked impressive Luckily didnt have radios installed machines he would have gotten very tired asking in-flight photos few fleet safely tucked away caravanned down local school flying session Joining flying spectating fun Lee Hovis Rodney Putnam Capers Jordan amd Bobs sons Robbie Bruce Modlin thunderstorms feared earlier never appeared no excuse try fly Baileys Kalt using two-stick mode first settle nerves old reliable ProLine single stick Cricket hot day must say became quite frustrated Cricket dayit refused lift hot asphalt first little 15% nitro fuel solved problem remaining time ball flying circuits really worked OS 25FSR hard making quick departures rapid approaches hover Cricket can very enjoyable machine just-for-the-fun-of-it flying once solved fuel problem its probably asking too much Cricket 25FSRto fly such high density altitude 0% nitro became complete ly caught up sheer fun asking forand receivingcomplete cooperation little chopper could make no mistakes until engine sagged landed little hard breaking main rotor blade Bailey readied Kalt Baron Lee Hovis Bob Modlin flew Kalts seen Baileys machine fly few weeks before flight Kalts day impressed potential machine Bailey flew few circuits Kalt its Apollo radio turned machine over some quick hover flights new radio played Apollo features long enough convince myelf two things may difficult teach old dog new tricks bells whistles Apollo will sure helpbutthis old dog likes single-stick will proceed Ace Silver Seven didnt crash Baileys ma chine though turned Kalt Apollo back him enjoy balance afternoon Capers Jordan brought Mini Boy little hover practice seemed enjoy stability 40-powered machine still have flown Mini Boy probably will day since am becoming interested smaller machines because much easier transport Crickets Mini Boys Kalt 20s sure fit small cars better Some weekends will always memorable Thanks Bob Modlin others sharing See next month Dave Chesney PO Box 16612 Greensboro NC 27406 FF Duration/Meuser Continued page 55 build decent state-of-the-art electronic timer Power models replace highly developed fundamentally archaic mechanical contri vances weve using Basically acceptable analog later digital timing devices have around long time hitch has always conversion final signal electroniksworks mechan iksworks has job doing Well Tom Kosters whole route several basic systems seemed terrific paper insurmountable deficiencies used field battle finally came up has answers neat touch black box plugged model set things up Punch desired times various functions calculator-like keyboard times pop up digital display thought-provoking article Jean Watzenriether France dynamics Wakefield models play tail area aspect ratio moment arm order obtain optimum trim during phases flight resorting torque- timer-oper ated gadgetry Very little math involved heady stuff nonetheless theres article similar vein Giora Herzberg Amos Hadas Israel both have combination excellent technical backgrounds ample practical experience Wakefield models Meanwhile back Western Hemisphere interview Bob White Walt Rozelle Bob tells about selection care treatment lubrication winding rubber motors Well am just third way through report some best yet come Im already running out space time So Ill simple have list remainder com ment Consumers Report Wake Up Rich Sanders Nordic Wings Tom Thompson Aspect Ratio EJA Nordic Glider Wings Martin Pressnell Optimum FAI Indoor Model Wing Walter Erbach Design Over 55 Jim Bennett tracing history im provements Indoor performances pair reprints classical articles Indoor model performance W Hewitt Phillips 1939 Max Hacklinger 1962 chronicle Nagoya Cup meet Japan Stan Stoy Airfoil Turbulators Invigorators Martyn Pressnell Mohamad Selamat Bin Bakin Asvm metrical Wings William Baker Minimum Induced Drag Center Gravity Position Dennis Phillips Airfoil Base Chord Cliff McBain Flying Models Japan Koei 142 Model Aviation beautiful smooth flying WW1 classic machine eo wingspan 15 lbs using l engines up SPECIAL EDITION KITs32gOO ouelal.m MASIER AIRSC1IIW PRESENTS BALSA STRIPPER A95 9AT YOUR DEALER PRECISION STRIP WOOD TO x INS FROM BALSA SHEET ALSO FOR DRAFTING AND PHOTO MATS USES TYPE II BLADE SUPER TOOL GREAT PRICE WINDSOR PROPELLER CO 384 Tesconi Ct. Santa Rosa CA 95401 W4AGEMENT AR 39 USC 3655 TION Tsuda and course whole bunch incisive cartoons Will Nakashima put perspective come NFFS Hall Fame awards Ten Model Year awards followed compilation who-won-whatLEADER IN SMALL AIRFOIL TECHNOLOGY MASTER AIRSCREW M3SWV bLSb6V RAASTER AIR IMPROVED THROUGH FOUR YEARS OF PRODUCTION THE G/F SERIES IS UNEQUALED FOR PERFORMANCE & DURABILITY AVAILABLE WORLDWIDE THROUGH 131 DISTRIBUTORS 384 Tesconi Ct and-when going back year indexes previous Sympo reports Wrap-up list NFFS Plans Publications unfortun ately current Order report Fred Terzian 4858 Moorpark Ave San Jose CA 95129 Price $10 NFFS members purchasers outside USA $11 others Postage $2 Fourth Class $3 Air Mail Canada Mexico $5 Air Mail Europe $6 Air Mail Far East wonder means like Detroit Bob Meuser 4200 Gregory St Oakland CA 94619 CL Racing/Ballard Continued page 65 feed tank outboard side profile fuselage tank choice competitors utilizes Uniflo principle majority tanks rectangular shape installed inboard side fuselage flier utilizes swing weight needle valve minimize transition between takeoff terminal air speed 1982 Rules Proposals have recently received some mail competitors concerning some proposed rule changes certainly has some merit 0%-nitro rule Editors note proposal No CL-84-22 See De cembers Competition Newsletter rules pro posal summaries RMcM would limit available nitro content Slow Rat event 10% nitro would furnished Contest Director competitor would assessed small fee cover fuel cost think WINDSOR PROPELLER CO Santa Rosa CA 95401 competitors Slow Rat using about 50-60% nitro fuelwhich certainly causes fuel consumption particular event excessive good 20% fuel used spilled ground filling tank during numerous test starts initial start three pit stops required feature 140-lap race two pit stops required 70-lap qualifying heats would like hear views 10% nitro rule John C Ballard 10102 Kimblewick Dr Louisville KY 40223 AMA Building/Mankowski Continued page 53 kay RC Modelers Camarillo Flying Circus Fresno Radio Modelers Anthony Novak James Thornberry Evansville RC Model Airplane Club Renewal message another opportuni ty help Building Fund AMA renewal forms sent 1982 member has place add contribution drive hope everyone uses because everyone gave just $10 building could paid off completely Its important renew early too listing 1983 AMA members signed up December 15 1982 will used wall cov ering new building show AMA members building completed Renew earlydont get left out Vince Mankowski Assistant Executive Director January 1983 143 CONTROLIKE TINIS PROFILE0COMBA ThRA T WIDE & NARROW WEDGE 75 -- 6 Capacities UNIFLOW & BTINDD Custom Dliii Fuels Ingredients detailed brochure50C stamps/check CAROLINA TAFFINDER 8345 Delhi Road Charleston Hgts. SC 29405 Introducing . New HIGH-PERFORMANCE HIGH-STARTS! Cat #S-13 1 Deluxe Super-Duty Hi-Start Cat #S-14 E Deluxe Shofl Field HI-Stan Cat #9-131 1 Replacement Latex Tubing Super-Duty Hi-Start Cat #S-141 [1 Replacement Latex Tubing Short Field HI-Start SUPER-DUTY LAUNCH 100 Wingapana Greater SHORT FIELD LAUNCH Daaigned Limited Space Standard Clasa SalIplanes Smaller COMPLETELY ASSEMBLED READY TO USE Paul Clements KTTT KIWI MODELI RR 2 P011 End 47454 wrne t.n oatco-360l 723-3480
Edition: Model Aviation - 1983/01
Page Numbers: 54, 55, 142, 143
Free Flight DURA TION Bob Meuser OBSERVATIONS gentlemanly art whittling virtually book concerns itself woodsy lore will admonish reader always cut away himself never toward himself sure follow advice will minimize chances ofslicing finger sure hold work left hand above part whittled push knife away yourself right hand will find very difficult cut finger might sever some other portion anatomy its time honored place resi denceor commit mayhem innocent stander good advice doesnt go far enough Besides cutting toward yourself absolute necessity under some circumstances prop carving best learn to safely key avoiding getting cut up think Editors note cut think same time RMcM instant chip going break loose rather unpredictable usually still some force applied blade chip breaks loose So think about what can happen chip breaks loose blade goes sailing forth uninhibited certain forward motion blade particu larly hand holds can continue short distance can no damage man beast process Usually simply pushing agains right hand thumb left hand takes care whole problem would prudent have supply adhesive bandages hand speak bloodt props Im using adjective usual British sense Two other ways skin b first almost identical scheme ribhacking used world-class Nordic Glider flier Jim Walters A/2s identical used world-class big talker Robert B Meuser Scale model two see sketches Step make sort-of stretched-out rib template top bottom surfaces template replicate top bottom surfaces rib usual lot distance between two makes filing template bit easier good chunk metal stick bench vise TE template doesnt go squirrely file teeth accidentally catch metal Step 2 cut negative lowersurface shape hard balsa perhaps plywood using lower-surface template course glue cyanoacrylate back template correct position Steps 3 4 actual cutting ribs Cut sheet stock correct width overwidth shown clarity sketches Position template shown Sketch 3 cut lower profile Position template shown Sketch 4 guide glued template Step 2 pushed against surface cut Step 3 gives Rib 1 Now Ill just bet can figure out cut rest ribs yourselves always manage make simple things seem complicated Send SSAE six-page disclosure Put Ones Socks Ones Feet second rib-hacking scheme has used some success Ted Colby Ryukyuan Aeromodelers Society 3/32-in pins spe cified sketches seem right ribs about 5-in chord scale up down appro priate Step make conventional template sheet aluminum drill two holes well separated low-stress regions tem plate using template guide drive two music-wire pins through holes template wood cutting board Let pins protrude about 4 Step 3 remove template position rib stock proper regard grain direction drill holes rib stock using template guide Drill hunch youre plop rib stock over pins cutting board plop template over cut around template have yourself rib Weve presented several rib-cutting schemes before havent told about best scheme unless have computercontrolled laser profiler wouldnt much good Whats best depends shape size rib own capabilities skills tools whims Read think follow own noses Record Pennyplane After looking front side views Dave Hagens record-setting Pennyplane vomiting appropriately find difficult realize anything Pennyplane becoming official AMA event beginnerss event hah Later tried get rules changed outlaw biplanes event event firmly entrenched among expert Indoor fliers became outsider trying impose personal whims upon generally taken seriously because numerous personal defi ciencies including species mother has now become abundantly clear few minor exceptions biplanes win Winning aint everything sure beats heck Out 54 Model Aviation Thirteen-yearold Richie Scott Albany IN beat oldsters win Open HLG Blue grass FF Championships Lexington KY last July 11 also won Jr High-Time trophy Photo Bill Barr Mike McKeever AL-29 built NFFS plans Hardware includes Hatschek circletow hookand Tatone timer Mike used itto win 1981 Livotto Invitational Taft CA Rib-template technique No 1 picture augments 1000 words column / 3 1 ft 4 - -- 2* ft losing David Hagen person universe Ive conned building model design Id never built myself used model shown sketch establish new Category II record 10 mm. 42 sec Dave explains built couple days week before Record Trials built strong solid motor stick tail boom save weight covered heavy green microfilm came out 29 grams requiring 02 grams ballast cant knock heavy microfilm easiest available coverings use provided have good mike liquid else fails try plain old nitrate dope Black Japanese tissue available again Mike Mulligan real Mister Mulligan passes along unconfirmed rumor Oldtimer Models expecting now should have received large supply genuine black Japanese tissue should good news have doctoring other colors Sharpie pen order have bit use trim strips works well incidentally bit nuisance goes 40C sheet address PO Box 913 Westminster CA 92683 subtle humor escaped Mike Mulligan Chief Honcho down Oldtimer Model Works UnlimMulvi model have doubt heard Unlimited Mulvihill event run US Free Flight Champs over Memorial Day year flight dawn AMA Mulvihill models Bob White always wins Loren Williams cohorts have working event real hard over past couple years have come up gorgeously engineered design should pay off against Whites skill dedication After 1982 USFFC wrote Loren suggesting some modifications design turns Out already thought mods lot theyre incorporated designs 1983 examples now under construction point-of-departure Team Williams design nowadayssort-of-traditional English Open Rubber design fine example McGillivray/ Allnutt Blimp Perhaps next month Ill able give three-view new design last years would make excellent generalpurpose Mulvihill model might give source plans provided manage get clutch typewriter engaged NFFS publishes biggestever Sympo Report Yep 1982 Sxmpo Report contains 167 large family-size 812 x 11-in pages chock full goodies ranging practical how-to-do-it stuff some pretty advanced theoretical stuff kick off article Hardy Brodersen NFFS Executive Director AMA Vice President therefore AMA Executive Council member makes pitch FAI fliers being permitted continue administer selection teams fly World Championships its now well-established system rather allowing big decisions made Executive Councilthat could happenwhile same time giving lot lip service Council recommendations Thats followed intro duction perennial Ssmpo editor Jim Bennett Mario Rocca Alberto DallOglio both former World Champions FAT Power DallOglio also builder AD-15 engine discuss latest experiments models engines one-blade folding props Andy Bauer hooks propeller performance calculated using formulas presented previous Sympos Eugene Larrabee engine per formance comes up among other things interesting explanation prediction rpm heard person launch point compared heard someone far away Theyre much different Dave Benepe does somewhat similar thing using several batches wind-tunnel measurements model prop chai acteristics Dave Sugden runs through proper first-order structural analyss two-blade folding FAI Power prop discusses some practical problems making work Harry Murphy presents short down-home discussion about airfoils like what think youre getting slice out ribs vs what really get covering does whatever its nature little half-page jewel Reid Hull about carving Power props sixth century Free Flighters have telling other someone should January 198355 Rib-template technique No 2 steel pins hold balsa rib blank template position slicing Continued page 142 usieIseringwontneLI uola berg Memorial /2ATropnyatthe3gth Midwest em States Outdoor Championships Bong Field WI last August 29 timer former Nats champ Bob Watson Chicago Aeronuts photography M Jaster 0 Curth Photographer Harry Murphy sends us shot Central Indiana Aeromodelers CIA presi dent Moe Whittemore Chops II Wake field has twin booms twin geared motors Harry claims Moe multi-talented prolific thinker built own wind tunnel finds timeto build models runa recording studio FOR THE NOVICES FIRST GLIDER ace highDesigned person wants get feet wet RIC power assist gliding Ace high ideal Foam wing construction overcomes biggest problem novice Ace High perfect companion Pulse Commander Baby Twin Standard System Small two channel radios such Digital Commander may also used 501202Ace High Kit $2150 TAPER ACE Rib Profiler makes tapered eliptical wing design easy Curve plates provided draw 3 different full symmetrical 3 different semi-symmetrical airfoils Flat bottom airfoils can also drawn Send check MO $2495 Jim Denaro Model Products 543 Bedford Street Concord MA 01742 Works faster computer Adjusts locks size rib instantly Span 70 Area 350sq Length 35 Weight 22-25 oz R/O Functions Rudder Only Rudder-Elevator IAk rn/C mini Box 511 E Hgunsville Mo 64037 RC Helicopters/Chesney Continued page 43 Calabasa CA 91302 course Schiuter represeted excellent examples Cheyenne Bell 222 BO-lOS Cheyenne painted scalelike could see possibilities unique machine Bobs example did have retract landing gear installed BO-105 its four-blade rotor system really looked neat Bob has thing about cockpit detail particularly about leather pilot seats such detail Scale fleet would have looked impressive Luckily didnt have radios installed machines he would have gotten very tired asking in-flight photos few fleet safely tucked away caravanned down local school flying session Joining flying spectating fun Lee Hovis Rodney Putnam Capers Jordan amd Bobs sons Robbie Bruce Modlin thunderstorms feared earlier never appeared no excuse try fly Baileys Kalt using two-stick mode first settle nerves old reliable ProLine single stick Cricket hot day must say became quite frustrated Cricket dayit refused lift hot asphalt first little 15% nitro fuel solved problem remaining time ball flying circuits really worked OS 25FSR hard making quick departures rapid approaches hover Cricket can very enjoyable machine just-for-the-fun-of-it flying once solved fuel problem its probably asking too much Cricket 25FSRto fly such high density altitude 0% nitro became complete ly caught up sheer fun asking forand receivingcomplete cooperation little chopper could make no mistakes until engine sagged landed little hard breaking main rotor blade Bailey readied Kalt Baron Lee Hovis Bob Modlin flew Kalts seen Baileys machine fly few weeks before flight Kalts day impressed potential machine Bailey flew few circuits Kalt its Apollo radio turned machine over some quick hover flights new radio played Apollo features long enough convince myelf two things may difficult teach old dog new tricks bells whistles Apollo will sure helpbutthis old dog likes single-stick will proceed Ace Silver Seven didnt crash Baileys ma chine though turned Kalt Apollo back him enjoy balance afternoon Capers Jordan brought Mini Boy little hover practice seemed enjoy stability 40-powered machine still have flown Mini Boy probably will day since am becoming interested smaller machines because much easier transport Crickets Mini Boys Kalt 20s sure fit small cars better Some weekends will always memorable Thanks Bob Modlin others sharing See next month Dave Chesney PO Box 16612 Greensboro NC 27406 FF Duration/Meuser Continued page 55 build decent state-of-the-art electronic timer Power models replace highly developed fundamentally archaic mechanical contri vances weve using Basically acceptable analog later digital timing devices have around long time hitch has always conversion final signal electroniksworks mechan iksworks has job doing Well Tom Kosters whole route several basic systems seemed terrific paper insurmountable deficiencies used field battle finally came up has answers neat touch black box plugged model set things up Punch desired times various functions calculator-like keyboard times pop up digital display thought-provoking article Jean Watzenriether France dynamics Wakefield models play tail area aspect ratio moment arm order obtain optimum trim during phases flight resorting torque- timer-oper ated gadgetry Very little math involved heady stuff nonetheless theres article similar vein Giora Herzberg Amos Hadas Israel both have combination excellent technical backgrounds ample practical experience Wakefield models Meanwhile back Western Hemisphere interview Bob White Walt Rozelle Bob tells about selection care treatment lubrication winding rubber motors Well am just third way through report some best yet come Im already running out space time So Ill simple have list remainder com ment Consumers Report Wake Up Rich Sanders Nordic Wings Tom Thompson Aspect Ratio EJA Nordic Glider Wings Martin Pressnell Optimum FAI Indoor Model Wing Walter Erbach Design Over 55 Jim Bennett tracing history im provements Indoor performances pair reprints classical articles Indoor model performance W Hewitt Phillips 1939 Max Hacklinger 1962 chronicle Nagoya Cup meet Japan Stan Stoy Airfoil Turbulators Invigorators Martyn Pressnell Mohamad Selamat Bin Bakin Asvm metrical Wings William Baker Minimum Induced Drag Center Gravity Position Dennis Phillips Airfoil Base Chord Cliff McBain Flying Models Japan Koei 142 Model Aviation beautiful smooth flying WW1 classic machine eo wingspan 15 lbs using l engines up SPECIAL EDITION KITs32gOO ouelal.m MASIER AIRSC1IIW PRESENTS BALSA STRIPPER A95 9AT YOUR DEALER PRECISION STRIP WOOD TO x INS FROM BALSA SHEET ALSO FOR DRAFTING AND PHOTO MATS USES TYPE II BLADE SUPER TOOL GREAT PRICE WINDSOR PROPELLER CO 384 Tesconi Ct. Santa Rosa CA 95401 W4AGEMENT AR 39 USC 3655 TION Tsuda and course whole bunch incisive cartoons Will Nakashima put perspective come NFFS Hall Fame awards Ten Model Year awards followed compilation who-won-whatLEADER IN SMALL AIRFOIL TECHNOLOGY MASTER AIRSCREW M3SWV bLSb6V RAASTER AIR IMPROVED THROUGH FOUR YEARS OF PRODUCTION THE G/F SERIES IS UNEQUALED FOR PERFORMANCE & DURABILITY AVAILABLE WORLDWIDE THROUGH 131 DISTRIBUTORS 384 Tesconi Ct and-when going back year indexes previous Sympo reports Wrap-up list NFFS Plans Publications unfortun ately current Order report Fred Terzian 4858 Moorpark Ave San Jose CA 95129 Price $10 NFFS members purchasers outside USA $11 others Postage $2 Fourth Class $3 Air Mail Canada Mexico $5 Air Mail Europe $6 Air Mail Far East wonder means like Detroit Bob Meuser 4200 Gregory St Oakland CA 94619 CL Racing/Ballard Continued page 65 feed tank outboard side profile fuselage tank choice competitors utilizes Uniflo principle majority tanks rectangular shape installed inboard side fuselage flier utilizes swing weight needle valve minimize transition between takeoff terminal air speed 1982 Rules Proposals have recently received some mail competitors concerning some proposed rule changes certainly has some merit 0%-nitro rule Editors note proposal No CL-84-22 See De cembers Competition Newsletter rules pro posal summaries RMcM would limit available nitro content Slow Rat event 10% nitro would furnished Contest Director competitor would assessed small fee cover fuel cost think WINDSOR PROPELLER CO Santa Rosa CA 95401 competitors Slow Rat using about 50-60% nitro fuelwhich certainly causes fuel consumption particular event excessive good 20% fuel used spilled ground filling tank during numerous test starts initial start three pit stops required feature 140-lap race two pit stops required 70-lap qualifying heats would like hear views 10% nitro rule John C Ballard 10102 Kimblewick Dr Louisville KY 40223 AMA Building/Mankowski Continued page 53 kay RC Modelers Camarillo Flying Circus Fresno Radio Modelers Anthony Novak James Thornberry Evansville RC Model Airplane Club Renewal message another opportuni ty help Building Fund AMA renewal forms sent 1982 member has place add contribution drive hope everyone uses because everyone gave just $10 building could paid off completely Its important renew early too listing 1983 AMA members signed up December 15 1982 will used wall cov ering new building show AMA members building completed Renew earlydont get left out Vince Mankowski Assistant Executive Director January 1983 143 CONTROLIKE TINIS PROFILE0COMBA ThRA T WIDE & NARROW WEDGE 75 -- 6 Capacities UNIFLOW & BTINDD Custom Dliii Fuels Ingredients detailed brochure50C stamps/check CAROLINA TAFFINDER 8345 Delhi Road Charleston Hgts. SC 29405 Introducing . New HIGH-PERFORMANCE HIGH-STARTS! Cat #S-13 1 Deluxe Super-Duty Hi-Start Cat #S-14 E Deluxe Shofl Field HI-Stan Cat #9-131 1 Replacement Latex Tubing Super-Duty Hi-Start Cat #S-141 [1 Replacement Latex Tubing Short Field HI-Start SUPER-DUTY LAUNCH 100 Wingapana Greater SHORT FIELD LAUNCH Daaigned Limited Space Standard Clasa SalIplanes Smaller COMPLETELY ASSEMBLED READY TO USE Paul Clements KTTT KIWI MODELI RR 2 P011 End 47454 wrne t.n oatco-360l 723-3480
Edition: Model Aviation - 1983/01
Page Numbers: 54, 55, 142, 143
Free Flight DURA TION Bob Meuser OBSERVATIONS gentlemanly art whittling virtually book concerns itself woodsy lore will admonish reader always cut away himself never toward himself sure follow advice will minimize chances ofslicing finger sure hold work left hand above part whittled push knife away yourself right hand will find very difficult cut finger might sever some other portion anatomy its time honored place resi denceor commit mayhem innocent stander good advice doesnt go far enough Besides cutting toward yourself absolute necessity under some circumstances prop carving best learn to safely key avoiding getting cut up think Editors note cut think same time RMcM instant chip going break loose rather unpredictable usually still some force applied blade chip breaks loose So think about what can happen chip breaks loose blade goes sailing forth uninhibited certain forward motion blade particu larly hand holds can continue short distance can no damage man beast process Usually simply pushing agains right hand thumb left hand takes care whole problem would prudent have supply adhesive bandages hand speak bloodt props Im using adjective usual British sense Two other ways skin b first almost identical scheme ribhacking used world-class Nordic Glider flier Jim Walters A/2s identical used world-class big talker Robert B Meuser Scale model two see sketches Step make sort-of stretched-out rib template top bottom surfaces template replicate top bottom surfaces rib usual lot distance between two makes filing template bit easier good chunk metal stick bench vise TE template doesnt go squirrely file teeth accidentally catch metal Step 2 cut negative lowersurface shape hard balsa perhaps plywood using lower-surface template course glue cyanoacrylate back template correct position Steps 3 4 actual cutting ribs Cut sheet stock correct width overwidth shown clarity sketches Position template shown Sketch 3 cut lower profile Position template shown Sketch 4 guide glued template Step 2 pushed against surface cut Step 3 gives Rib 1 Now Ill just bet can figure out cut rest ribs yourselves always manage make simple things seem complicated Send SSAE six-page disclosure Put Ones Socks Ones Feet second rib-hacking scheme has used some success Ted Colby Ryukyuan Aeromodelers Society 3/32-in pins spe cified sketches seem right ribs about 5-in chord scale up down appro priate Step make conventional template sheet aluminum drill two holes well separated low-stress regions tem plate using template guide drive two music-wire pins through holes template wood cutting board Let pins protrude about 4 Step 3 remove template position rib stock proper regard grain direction drill holes rib stock using template guide Drill hunch youre plop rib stock over pins cutting board plop template over cut around template have yourself rib Weve presented several rib-cutting schemes before havent told about best scheme unless have computercontrolled laser profiler wouldnt much good Whats best depends shape size rib own capabilities skills tools whims Read think follow own noses Record Pennyplane After looking front side views Dave Hagens record-setting Pennyplane vomiting appropriately find difficult realize anything Pennyplane becoming official AMA event beginnerss event hah Later tried get rules changed outlaw biplanes event event firmly entrenched among expert Indoor fliers became outsider trying impose personal whims upon generally taken seriously because numerous personal defi ciencies including species mother has now become abundantly clear few minor exceptions biplanes win Winning aint everything sure beats heck Out 54 Model Aviation Thirteen-yearold Richie Scott Albany IN beat oldsters win Open HLG Blue grass FF Championships Lexington KY last July 11 also won Jr High-Time trophy Photo Bill Barr Mike McKeever AL-29 built NFFS plans Hardware includes Hatschek circletow hookand Tatone timer Mike used itto win 1981 Livotto Invitational Taft CA Rib-template technique No 1 picture augments 1000 words column / 3 1 ft 4 - -- 2* ft losing David Hagen person universe Ive conned building model design Id never built myself used model shown sketch establish new Category II record 10 mm. 42 sec Dave explains built couple days week before Record Trials built strong solid motor stick tail boom save weight covered heavy green microfilm came out 29 grams requiring 02 grams ballast cant knock heavy microfilm easiest available coverings use provided have good mike liquid else fails try plain old nitrate dope Black Japanese tissue available again Mike Mulligan real Mister Mulligan passes along unconfirmed rumor Oldtimer Models expecting now should have received large supply genuine black Japanese tissue should good news have doctoring other colors Sharpie pen order have bit use trim strips works well incidentally bit nuisance goes 40C sheet address PO Box 913 Westminster CA 92683 subtle humor escaped Mike Mulligan Chief Honcho down Oldtimer Model Works UnlimMulvi model have doubt heard Unlimited Mulvihill event run US Free Flight Champs over Memorial Day year flight dawn AMA Mulvihill models Bob White always wins Loren Williams cohorts have working event real hard over past couple years have come up gorgeously engineered design should pay off against Whites skill dedication After 1982 USFFC wrote Loren suggesting some modifications design turns Out already thought mods lot theyre incorporated designs 1983 examples now under construction point-of-departure Team Williams design nowadayssort-of-traditional English Open Rubber design fine example McGillivray/ Allnutt Blimp Perhaps next month Ill able give three-view new design last years would make excellent generalpurpose Mulvihill model might give source plans provided manage get clutch typewriter engaged NFFS publishes biggestever Sympo Report Yep 1982 Sxmpo Report contains 167 large family-size 812 x 11-in pages chock full goodies ranging practical how-to-do-it stuff some pretty advanced theoretical stuff kick off article Hardy Brodersen NFFS Executive Director AMA Vice President therefore AMA Executive Council member makes pitch FAI fliers being permitted continue administer selection teams fly World Championships its now well-established system rather allowing big decisions made Executive Councilthat could happenwhile same time giving lot lip service Council recommendations Thats followed intro duction perennial Ssmpo editor Jim Bennett Mario Rocca Alberto DallOglio both former World Champions FAT Power DallOglio also builder AD-15 engine discuss latest experiments models engines one-blade folding props Andy Bauer hooks propeller performance calculated using formulas presented previous Sympos Eugene Larrabee engine per formance comes up among other things interesting explanation prediction rpm heard person launch point compared heard someone far away Theyre much different Dave Benepe does somewhat similar thing using several batches wind-tunnel measurements model prop chai acteristics Dave Sugden runs through proper first-order structural analyss two-blade folding FAI Power prop discusses some practical problems making work Harry Murphy presents short down-home discussion about airfoils like what think youre getting slice out ribs vs what really get covering does whatever its nature little half-page jewel Reid Hull about carving Power props sixth century Free Flighters have telling other someone should January 198355 Rib-template technique No 2 steel pins hold balsa rib blank template position slicing Continued page 142 usieIseringwontneLI uola berg Memorial /2ATropnyatthe3gth Midwest em States Outdoor Championships Bong Field WI last August 29 timer former Nats champ Bob Watson Chicago Aeronuts photography M Jaster 0 Curth Photographer Harry Murphy sends us shot Central Indiana Aeromodelers CIA presi dent Moe Whittemore Chops II Wake field has twin booms twin geared motors Harry claims Moe multi-talented prolific thinker built own wind tunnel finds timeto build models runa recording studio FOR THE NOVICES FIRST GLIDER ace highDesigned person wants get feet wet RIC power assist gliding Ace high ideal Foam wing construction overcomes biggest problem novice Ace High perfect companion Pulse Commander Baby Twin Standard System Small two channel radios such Digital Commander may also used 501202Ace High Kit $2150 TAPER ACE Rib Profiler makes tapered eliptical wing design easy Curve plates provided draw 3 different full symmetrical 3 different semi-symmetrical airfoils Flat bottom airfoils can also drawn Send check MO $2495 Jim Denaro Model Products 543 Bedford Street Concord MA 01742 Works faster computer Adjusts locks size rib instantly Span 70 Area 350sq Length 35 Weight 22-25 oz R/O Functions Rudder Only Rudder-Elevator IAk rn/C mini Box 511 E Hgunsville Mo 64037 RC Helicopters/Chesney Continued page 43 Calabasa CA 91302 course Schiuter represeted excellent examples Cheyenne Bell 222 BO-lOS Cheyenne painted scalelike could see possibilities unique machine Bobs example did have retract landing gear installed BO-105 its four-blade rotor system really looked neat Bob has thing about cockpit detail particularly about leather pilot seats such detail Scale fleet would have looked impressive Luckily didnt have radios installed machines he would have gotten very tired asking in-flight photos few fleet safely tucked away caravanned down local school flying session Joining flying spectating fun Lee Hovis Rodney Putnam Capers Jordan amd Bobs sons Robbie Bruce Modlin thunderstorms feared earlier never appeared no excuse try fly Baileys Kalt using two-stick mode first settle nerves old reliable ProLine single stick Cricket hot day must say became quite frustrated Cricket dayit refused lift hot asphalt first little 15% nitro fuel solved problem remaining time ball flying circuits really worked OS 25FSR hard making quick departures rapid approaches hover Cricket can very enjoyable machine just-for-the-fun-of-it flying once solved fuel problem its probably asking too much Cricket 25FSRto fly such high density altitude 0% nitro became complete ly caught up sheer fun asking forand receivingcomplete cooperation little chopper could make no mistakes until engine sagged landed little hard breaking main rotor blade Bailey readied Kalt Baron Lee Hovis Bob Modlin flew Kalts seen Baileys machine fly few weeks before flight Kalts day impressed potential machine Bailey flew few circuits Kalt its Apollo radio turned machine over some quick hover flights new radio played Apollo features long enough convince myelf two things may difficult teach old dog new tricks bells whistles Apollo will sure helpbutthis old dog likes single-stick will proceed Ace Silver Seven didnt crash Baileys ma chine though turned Kalt Apollo back him enjoy balance afternoon Capers Jordan brought Mini Boy little hover practice seemed enjoy stability 40-powered machine still have flown Mini Boy probably will day since am becoming interested smaller machines because much easier transport Crickets Mini Boys Kalt 20s sure fit small cars better Some weekends will always memorable Thanks Bob Modlin others sharing See next month Dave Chesney PO Box 16612 Greensboro NC 27406 FF Duration/Meuser Continued page 55 build decent state-of-the-art electronic timer Power models replace highly developed fundamentally archaic mechanical contri vances weve using Basically acceptable analog later digital timing devices have around long time hitch has always conversion final signal electroniksworks mechan iksworks has job doing Well Tom Kosters whole route several basic systems seemed terrific paper insurmountable deficiencies used field battle finally came up has answers neat touch black box plugged model set things up Punch desired times various functions calculator-like keyboard times pop up digital display thought-provoking article Jean Watzenriether France dynamics Wakefield models play tail area aspect ratio moment arm order obtain optimum trim during phases flight resorting torque- timer-oper ated gadgetry Very little math involved heady stuff nonetheless theres article similar vein Giora Herzberg Amos Hadas Israel both have combination excellent technical backgrounds ample practical experience Wakefield models Meanwhile back Western Hemisphere interview Bob White Walt Rozelle Bob tells about selection care treatment lubrication winding rubber motors Well am just third way through report some best yet come Im already running out space time So Ill simple have list remainder com ment Consumers Report Wake Up Rich Sanders Nordic Wings Tom Thompson Aspect Ratio EJA Nordic Glider Wings Martin Pressnell Optimum FAI Indoor Model Wing Walter Erbach Design Over 55 Jim Bennett tracing history im provements Indoor performances pair reprints classical articles Indoor model performance W Hewitt Phillips 1939 Max Hacklinger 1962 chronicle Nagoya Cup meet Japan Stan Stoy Airfoil Turbulators Invigorators Martyn Pressnell Mohamad Selamat Bin Bakin Asvm metrical Wings William Baker Minimum Induced Drag Center Gravity Position Dennis Phillips Airfoil Base Chord Cliff McBain Flying Models Japan Koei 142 Model Aviation beautiful smooth flying WW1 classic machine eo wingspan 15 lbs using l engines up SPECIAL EDITION KITs32gOO ouelal.m MASIER AIRSC1IIW PRESENTS BALSA STRIPPER A95 9AT YOUR DEALER PRECISION STRIP WOOD TO x INS FROM BALSA SHEET ALSO FOR DRAFTING AND PHOTO MATS USES TYPE II BLADE SUPER TOOL GREAT PRICE WINDSOR PROPELLER CO 384 Tesconi Ct. Santa Rosa CA 95401 W4AGEMENT AR 39 USC 3655 TION Tsuda and course whole bunch incisive cartoons Will Nakashima put perspective come NFFS Hall Fame awards Ten Model Year awards followed compilation who-won-whatLEADER IN SMALL AIRFOIL TECHNOLOGY MASTER AIRSCREW M3SWV bLSb6V RAASTER AIR IMPROVED THROUGH FOUR YEARS OF PRODUCTION THE G/F SERIES IS UNEQUALED FOR PERFORMANCE & DURABILITY AVAILABLE WORLDWIDE THROUGH 131 DISTRIBUTORS 384 Tesconi Ct and-when going back year indexes previous Sympo reports Wrap-up list NFFS Plans Publications unfortun ately current Order report Fred Terzian 4858 Moorpark Ave San Jose CA 95129 Price $10 NFFS members purchasers outside USA $11 others Postage $2 Fourth Class $3 Air Mail Canada Mexico $5 Air Mail Europe $6 Air Mail Far East wonder means like Detroit Bob Meuser 4200 Gregory St Oakland CA 94619 CL Racing/Ballard Continued page 65 feed tank outboard side profile fuselage tank choice competitors utilizes Uniflo principle majority tanks rectangular shape installed inboard side fuselage flier utilizes swing weight needle valve minimize transition between takeoff terminal air speed 1982 Rules Proposals have recently received some mail competitors concerning some proposed rule changes certainly has some merit 0%-nitro rule Editors note proposal No CL-84-22 See De cembers Competition Newsletter rules pro posal summaries RMcM would limit available nitro content Slow Rat event 10% nitro would furnished Contest Director competitor would assessed small fee cover fuel cost think WINDSOR PROPELLER CO Santa Rosa CA 95401 competitors Slow Rat using about 50-60% nitro fuelwhich certainly causes fuel consumption particular event excessive good 20% fuel used spilled ground filling tank during numerous test starts initial start three pit stops required feature 140-lap race two pit stops required 70-lap qualifying heats would like hear views 10% nitro rule John C Ballard 10102 Kimblewick Dr Louisville KY 40223 AMA Building/Mankowski Continued page 53 kay RC Modelers Camarillo Flying Circus Fresno Radio Modelers Anthony Novak James Thornberry Evansville RC Model Airplane Club Renewal message another opportuni ty help Building Fund AMA renewal forms sent 1982 member has place add contribution drive hope everyone uses because everyone gave just $10 building could paid off completely Its important renew early too listing 1983 AMA members signed up December 15 1982 will used wall cov ering new building show AMA members building completed Renew earlydont get left out Vince Mankowski Assistant Executive Director January 1983 143 CONTROLIKE TINIS PROFILE0COMBA ThRA T WIDE & NARROW WEDGE 75 -- 6 Capacities UNIFLOW & BTINDD Custom Dliii Fuels Ingredients detailed brochure50C stamps/check CAROLINA TAFFINDER 8345 Delhi Road Charleston Hgts. SC 29405 Introducing . New HIGH-PERFORMANCE HIGH-STARTS! Cat #S-13 1 Deluxe Super-Duty Hi-Start Cat #S-14 E Deluxe Shofl Field HI-Stan Cat #9-131 1 Replacement Latex Tubing Super-Duty Hi-Start Cat #S-141 [1 Replacement Latex Tubing Short Field HI-Start SUPER-DUTY LAUNCH 100 Wingapana Greater SHORT FIELD LAUNCH Daaigned Limited Space Standard Clasa SalIplanes Smaller COMPLETELY ASSEMBLED READY TO USE Paul Clements KTTT KIWI MODELI RR 2 P011 End 47454 wrne t.n oatco-360l 723-3480