IM SERVING UP kind potpourri month dont know youve noticed things looking up us Big Bird builders After years building models scratch more kits Giant Scale birds arriving local hobby shops Certainly its lot eas ier building kit attendant parts prefabrication include Concurrently acces sory suppliers have increased variety hits pieces suitable large RC model construction Recently good folks Sig sent goody box containing examples what Im talking about Sigs latest Giant Scale products include tiller arms designed transfer control movements servo rudder elevator sturdy plastic levers may used both wire pushrod systems Giant Scale mod els requiring device mount wheel pants Sig has come up combination wheel collar pant-mounting bracket simplifies job brackets bolted inside wheel pant assembly slipped over axle wire couple setscrews tightened Nothing could simpler functional completely hidden retain scale contours Finally Sigs new lineup nifty bits piec es includes some large-sized rudder/elevator horns Theyre two-sided eminently suit able pull-pull control systemsthe safest way go youve followed column over past few months know yours truly heavily volved interrelationship between personal computers Giant Scale models fact noted new friend Chuck Anderson Tullaho ma TN Although Chucks modeling interests lie Sailplanes hes developed computer air foil-drawing program shows definite adapta tion hobby interest Chucks program capable accepting airfoil ordinates drawing precise airfoils chords up 45 youre interested such software can contact Chuck PO Box 305 Tullahoma TN 37388 Enclose SASE Chuck will send information sheet notes computers printers that1l sup port program Although Ive able run program machine have yn gotten printout reason course Im using HP laser printer Chucks program designed dot-matrix printers Im going give Chucks disk go friends computer see what transpires Although earlier lauded increasing availDale Alyea former IMAA VP shown new Byron Originals F4U Corsair pow ered Sacha-Dolmar 42 big ship has Robart retracts Byron three-bladed prop Control Ace Silver Seven First flight resulted wheels-up landing possibly due Dales omitting Ace Noise Traps radio installation After adding fixing crash rash repositioning CG forward compensate aft-retracting gear addition second battery just servos everything great quote Dale aircraft flew made air reports theres no nose-up tendency flaps deployed tad power necessary landings keep nose up 1 xample airfoil drawn Chuck Andersons computer program Text has details about 1 \II CKNEb CAD Computer Aided Design program T7 iI-V 46 Model Aviation Radio Control Giant Scale John de Vries Colonel USAF Ret 4610 Moffat Ln Colorado SprIngs CO 80915 John P Violettes Giant Sweet/Low Stik Hes Norco LA uses 23 Cu Zenoah 19-lb beauty Other things uses l200mAh battery Kraft Signature radio ability Giant Scale kits still host modelers prefer build mail order plans drawings cater craftsmen among us ViP Publishers Inc has just published its Directory Large Scale Plans blush immodesty book written Dick Phil lips author reviews depth 50 large-scale plans includes 5 x 7 photo aircraft provides documentation accesso ry sources first five planned volumes book costs $1195 plus $150 P&H ViP Publishers PO Box 16103 Colorado Springs CO 80935 Although months column has definite commercial bent something wed like congratulate ourselves about havent infected collectors item syn drome cursory glance other hobbies will reveal products designed purchased put away until increase value gun people coin people doll peo pleeven baseball card peopleall afflict ed collectors items possible excep tion antique engine collectors tend acquire real thing rather specially manufactured hummers use practically everything available us quick trip down Giant model flight line will reveal ancient ra dios still functioning new frequencies discontinued engines still turning big props Wonderful want see real collec tors items visit Hurst Bowers great model airplane museum AMA Headquarters Res ton VA Speaking collectors items wonder long takes really wear out Giant Scale engine Im talking about people fly models midst sandstorms abuse other ways Given reasonable care maintenance just hours will Quadra Zenoah other sturdy engines use power birds keep running provide ad equate flight power Ive heard engines failing flight due de fects manufacture other factors weak castings overlooked crash damage over-rev ving etc Ive never talked modeler just plumb wore out big gasburners course bunch variables determine just long engine will function properly Among might flights has heat-up/cool-down cycles has subjected engine used cowled uncowled installations proper fuel mixture always used en gine flown overly heavy models overpropped much its running life Probably question Im asking nor mal use long can Giant Scale engine ex pected last answer complicated though may probably being generated today Since Giant Scale movement roughly 12 years old some early Quadras Ropers Ohlssons must reaching end useful lives think youve got graybeards still powering birds currently being flownand can provide honest estimate much time youve got itId like hear Ill share data may collect column no other reason give modelers idea what can expect invest hard-earned cash Giant type engine information may value Continued page 152 am makers2 rNEWFr HEAD LOCK HEADLITE te Features 1STAINLESS STEEL HEAD LOCK tm glow plug connector strength corrosion free lire 2FIELD REPLACEABLE 1 2 AH Nicad 3Built FULLY AUTOMATIC ON/OFF SWITCHto prevent short circuits pocket tool box 4LED INDICATED charger available HEAD-LI IL m--$1695 IfAD-LITE m W/GHAIER-$2595 available write direct add S1OO 4S2OO outside USi MODEL PRODUCTS CORP PO BOX 100 ALLAMUCHY NEW JERSEY 07820 I WANNA RACE NORTHEAST AREA £ L BEGINNER RACES - 0-500 * FORM-i * FAI Instructions Club Programs Information Contact NORTH EAST PYLON RACING ORGANIZATION 119 DEAN AVEFRANKLIN MASS 02038 Tel 617 528-4043 203 673 -2000 May 1988 47 AIR WOLF EPOXY FIBERGLASS FUSELAGE S TAKES MOST 50-60 MECHANICS OTHER MODELS AVAILABLE LARRY JOLLY MODEL PRODUCTS $20000 5501 WCOMO SANTA ANA CALIFORNIA 92703 714 826-6861 motions Robart Some other names winners list will recognize Don Edberg Dave Peltz Michael Selig Special thanks should go Matrix Enter prises San Diego contributed sufficient SpaceCases put teams planes equipment really neat tough plastic cases can custom-designed carry Sailplane transmitter anything Contact 7015 Carroll Road San Diego CA 92121 phone 619 450-9509 Like 87 F3B team pin Tom also mentioned limited number 87 pins available close-out price $2 plus 390 postage Personally Im buying few trade foreign pins 89 Champs because will col lectors items always informal com petition see can get pins hat Send check US Soaring Team PO Box 9328 Albuquerque NM 87119 1988 Canadian NatsAugust 6-8 Jack Nunn wrote tell us venue has changed new site Beverly Centre Rockton Ontario reason change give three full days uninterrupted flyinga total over 28 hours would have possible main Nats site Brantford Power peo ple dominate Beverly Centre excellent sod field large parking area washroom facilities Light refreshments will also avail able located Highway 8 midway tween Hamilton Cambridge Ontario Hotels motels minutes away Maps hotel prices locations etc will mailed entrants Get information Jack RR 1 Midhurst Ontar io LOL iXO phone number 705 728-4467 1988 NSS Soar-In Marshall Long NSS Soar-In coordinator announced details tenth annual edition nationwide happen ing couldnt better quote Mar shalls flyer would like extend invitation hold NSS Soar-In contest year can held time between May 7 August 28 can one- two-day event whichever required complete two rounds T-4 Cumulative Dura tion task T-4 well-known 15-minute Add-Em-Up will add wrinkle three individual flights must exceed three five seven minutes Going over deducts usual point per second L-4 Spot Landing will used Classes flown will Con test Directors choice the following Two-Meter Standard Unlimited Novice Sportsman Expert class Sailplane Unlimited y what bring big question asked last year much Soar-In going cost club As last year National Soaring Society will charge club hold Soar-In cost will NSS plaques awarded winners event feel Soar-In should used gain new members source revenue NSS district VP would hold Soar-In recruit two members would gain important 20 new members plaques will Winning Image again year NSS logo will color time plaques will larger last yearabout 10 x 12 plaques will display event class place along host clubs name cost plaques will $1150 cluding shipping CD club would ihterested holding Soar-In year please contact 824 Garden Meadow Universal City TX 78148 PS Soar-In contests should AMA sanctioned same Sailplane contest CASAs 1988 Sugarloaf Classic Capital Area Soaring Association will again putting 315-mile cross-country race May 21-22 contest site just off Route 28 35 miles west Dickerson MD 12 miles south Frederick MD Information can obtained Guy Dickes 6331 Paddington Lane Cen treville VA 22020 telephone number 703 830-3631 As PS Guy said completed Level V October 13 Bob Sowder did November Congratulations guys RC Giant Scale/de Vries Continued page 47 moment Im studying new 1 988-89 AMA Competition Regulations rather diligently effort anticipation judging George W Meyer Memorial/Scale Masters qualifier plan Pikes Peak re gion June 4-5 interested participat ing therell specific Giant Scale well Team Scale event contact CD Ivan Munning hoff 7815 Mallard Drive Falcon CO 80831 entry details contest will held US Air Force Academys North Auxiliary Field its 2500-ft paved runway final note whet appetite next months column Good buddy Ed Carroll Os prey fame has done again Piqued FULL BODY PILOT KIT Contains pilot head hands boots helmet cap goggles tull templates easy instruc tions Easy assemble finish Some simple sewing required Fully positionable too #2O6Ys scale #2OS-/n scale #204-A scale #2O3-/ scale Pnce [v32][b-1-10-1-10]]895 [v32][b-1-10-1-10]]995 [v32][b-1-10-1-10]]1095 [v32][b-1-10-1-10]]1695 DARNED GOOD AIRMEN Lightest pilots available Lifelike vinyl latex rubber U Build Sportsman Barnstormer Full Body Bust - BUST PILOT KIT Contains pilot head helmet sport cap goggles 2 jacket Easy assemble finish Pane #105-Ye scale NEW 595 #lOS~/s scale695 #l05Vs scale #104- scale. 895.h.W*Some #103- scale —~I~vsmpe ng red JET PILOT KIT Pilot has molded let helmet Contains face mask oxygen hose Estreme ly Realistic Weighs less / OZ Pnce #3O5-/ scale595 #307- scale895 ORDERING INSTRUCTIONS See dealer first order direct Add $100 shipping NYS residents add 75/u tan Send check money order COOSOK Send $100 catalog See Dealer add Dollar direct order handling 152 Model Aviation Road Kunners being successfully flown thin air Wyoming Colorado Eds latest de sign effort amongst nonscale Giants Wily Coyote low-winger 120 igni tion Ed says designed Road Runner eater Right now hes putting through its test paces hope well have photo next months column RC Electrics/Kopski Continued page 49 no point anyway suspect may react ad versely such unfiltered inputs natural follow-up operate-off-shehouse-line question concerns just what can used power large chargers home should clear such line-operated supply has BIG capability such may readily availableand case would quite expensive Just case some desire pursue idea further suggest look 12-volt DC supply capable supplying 20 amps continuously Personally dont know get thats economical Additional relevant discussion can found MA col umn June 87 wherein some thoughts given about bench-running motors January 1988 column featued coverage 1987 KRC Electric Fly have previous first-of-the-year issues covered preceding KRC meets However years coverage has proven different years has brought lots reader reaction questions about people planes pictured also about Electric Fly itselfsomething unusual just seems suddenly readers have become very interested meet response cross section latter questions KRC Electric Fly Keystone Radio Control Club Electric Fly KRC based Hatfield PAabout 35 miles north Philadel phia folks now view annual affair being perhaps largest club-sponsored annual Electric meet world Historically Electric Fly two-day meet having fun-fly format held third weekend September club field Hat field Ninth Annual KRC Electric Fly scheduled September 17-18 1988 proba bly will moved nearby much larger field since meet has outgrown historic site can get detailed information sending SASE CD Bruce Fenstermach er 636 Schoolhouse Rd Telford PA 18969 ElectriCub Great Planes brings its share reader mail months photos clude two examples model have seen both air planes look pretty ground have flown ElectriCub can pass along some input thoughts about As generalization feel kit design heavier need penalty ROG takeoffs attempted stock power system Typically stock power system marginal regardsome Cubs can just barely make off ground some cant option may help problem change six 1 2-Ah cells lighter 800-mAb packs Some modelers have suggested upping six cells seven have oppor tunity bench-run two ElectriCub Thrustmaster motors based data think changing seven 800-mAh cells staying kit-supplied 8 x 4 Tornado prop good idea reference seven cells prop should result average 10500 rpm input current about 19 amps total power input about 135 watts As see just about can expect Thrustmaster han dle still give reasonable motor life fact what would try myself Electri Cub Thrustmaster motor what really would Electri Cub would use 15-size Yuk hate kind size-designation motor speed con trol know Id have model significantly greater capability completely consistent Caliph experience documented heav ily recent columns Like Caliph ElectriCub what call three-pound plane mean almost no matter what because models size structure flying intent state Elec tric theyre gonna come Out weighing some between 2 31A lb Installing 15 sys tem will push upper limit weight range will result plane plenty groundhandling capability some aerobatic cap ability did figure out self have also reader input saying 15 way go Now surely cant wrong right Anyway some specifics Based referenced Caliph work recommend consider powering ElectriCub either ferrite cobalt 15 direct drive 10 12 cells use speed control recommend 8 x 6 nylon prop 10 cells 8 x 4 12 plane think best choice 800 mAh cells 900s second Finally based reader input SURE beef up wing center sec tionyou can loop Cub have build new Continued page 154 May1988 153
Edition: Model Aviation - 1988/05
Page Numbers: 46, 47, 152, 153
IM SERVING UP kind potpourri month dont know youve noticed things looking up us Big Bird builders After years building models scratch more kits Giant Scale birds arriving local hobby shops Certainly its lot eas ier building kit attendant parts prefabrication include Concurrently acces sory suppliers have increased variety hits pieces suitable large RC model construction Recently good folks Sig sent goody box containing examples what Im talking about Sigs latest Giant Scale products include tiller arms designed transfer control movements servo rudder elevator sturdy plastic levers may used both wire pushrod systems Giant Scale mod els requiring device mount wheel pants Sig has come up combination wheel collar pant-mounting bracket simplifies job brackets bolted inside wheel pant assembly slipped over axle wire couple setscrews tightened Nothing could simpler functional completely hidden retain scale contours Finally Sigs new lineup nifty bits piec es includes some large-sized rudder/elevator horns Theyre two-sided eminently suit able pull-pull control systemsthe safest way go youve followed column over past few months know yours truly heavily volved interrelationship between personal computers Giant Scale models fact noted new friend Chuck Anderson Tullaho ma TN Although Chucks modeling interests lie Sailplanes hes developed computer air foil-drawing program shows definite adapta tion hobby interest Chucks program capable accepting airfoil ordinates drawing precise airfoils chords up 45 youre interested such software can contact Chuck PO Box 305 Tullahoma TN 37388 Enclose SASE Chuck will send information sheet notes computers printers that1l sup port program Although Ive able run program machine have yn gotten printout reason course Im using HP laser printer Chucks program designed dot-matrix printers Im going give Chucks disk go friends computer see what transpires Although earlier lauded increasing availDale Alyea former IMAA VP shown new Byron Originals F4U Corsair pow ered Sacha-Dolmar 42 big ship has Robart retracts Byron three-bladed prop Control Ace Silver Seven First flight resulted wheels-up landing possibly due Dales omitting Ace Noise Traps radio installation After adding fixing crash rash repositioning CG forward compensate aft-retracting gear addition second battery just servos everything great quote Dale aircraft flew made air reports theres no nose-up tendency flaps deployed tad power necessary landings keep nose up 1 xample airfoil drawn Chuck Andersons computer program Text has details about 1 \II CKNEb CAD Computer Aided Design program T7 iI-V 46 Model Aviation Radio Control Giant Scale John de Vries Colonel USAF Ret 4610 Moffat Ln Colorado SprIngs CO 80915 John P Violettes Giant Sweet/Low Stik Hes Norco LA uses 23 Cu Zenoah 19-lb beauty Other things uses l200mAh battery Kraft Signature radio ability Giant Scale kits still host modelers prefer build mail order plans drawings cater craftsmen among us ViP Publishers Inc has just published its Directory Large Scale Plans blush immodesty book written Dick Phil lips author reviews depth 50 large-scale plans includes 5 x 7 photo aircraft provides documentation accesso ry sources first five planned volumes book costs $1195 plus $150 P&H ViP Publishers PO Box 16103 Colorado Springs CO 80935 Although months column has definite commercial bent something wed like congratulate ourselves about havent infected collectors item syn drome cursory glance other hobbies will reveal products designed purchased put away until increase value gun people coin people doll peo pleeven baseball card peopleall afflict ed collectors items possible excep tion antique engine collectors tend acquire real thing rather specially manufactured hummers use practically everything available us quick trip down Giant model flight line will reveal ancient ra dios still functioning new frequencies discontinued engines still turning big props Wonderful want see real collec tors items visit Hurst Bowers great model airplane museum AMA Headquarters Res ton VA Speaking collectors items wonder long takes really wear out Giant Scale engine Im talking about people fly models midst sandstorms abuse other ways Given reasonable care maintenance just hours will Quadra Zenoah other sturdy engines use power birds keep running provide ad equate flight power Ive heard engines failing flight due de fects manufacture other factors weak castings overlooked crash damage over-rev ving etc Ive never talked modeler just plumb wore out big gasburners course bunch variables determine just long engine will function properly Among might flights has heat-up/cool-down cycles has subjected engine used cowled uncowled installations proper fuel mixture always used en gine flown overly heavy models overpropped much its running life Probably question Im asking nor mal use long can Giant Scale engine ex pected last answer complicated though may probably being generated today Since Giant Scale movement roughly 12 years old some early Quadras Ropers Ohlssons must reaching end useful lives think youve got graybeards still powering birds currently being flownand can provide honest estimate much time youve got itId like hear Ill share data may collect column no other reason give modelers idea what can expect invest hard-earned cash Giant type engine information may value Continued page 152 am makers2 rNEWFr HEAD LOCK HEADLITE te Features 1STAINLESS STEEL HEAD LOCK tm glow plug connector strength corrosion free lire 2FIELD REPLACEABLE 1 2 AH Nicad 3Built FULLY AUTOMATIC ON/OFF SWITCHto prevent short circuits pocket tool box 4LED INDICATED charger available HEAD-LI IL m--$1695 IfAD-LITE m W/GHAIER-$2595 available write direct add S1OO 4S2OO outside USi MODEL PRODUCTS CORP PO BOX 100 ALLAMUCHY NEW JERSEY 07820 I WANNA RACE NORTHEAST AREA £ L BEGINNER RACES - 0-500 * FORM-i * FAI Instructions Club Programs Information Contact NORTH EAST PYLON RACING ORGANIZATION 119 DEAN AVEFRANKLIN MASS 02038 Tel 617 528-4043 203 673 -2000 May 1988 47 AIR WOLF EPOXY FIBERGLASS FUSELAGE S TAKES MOST 50-60 MECHANICS OTHER MODELS AVAILABLE LARRY JOLLY MODEL PRODUCTS $20000 5501 WCOMO SANTA ANA CALIFORNIA 92703 714 826-6861 motions Robart Some other names winners list will recognize Don Edberg Dave Peltz Michael Selig Special thanks should go Matrix Enter prises San Diego contributed sufficient SpaceCases put teams planes equipment really neat tough plastic cases can custom-designed carry Sailplane transmitter anything Contact 7015 Carroll Road San Diego CA 92121 phone 619 450-9509 Like 87 F3B team pin Tom also mentioned limited number 87 pins available close-out price $2 plus 390 postage Personally Im buying few trade foreign pins 89 Champs because will col lectors items always informal com petition see can get pins hat Send check US Soaring Team PO Box 9328 Albuquerque NM 87119 1988 Canadian NatsAugust 6-8 Jack Nunn wrote tell us venue has changed new site Beverly Centre Rockton Ontario reason change give three full days uninterrupted flyinga total over 28 hours would have possible main Nats site Brantford Power peo ple dominate Beverly Centre excellent sod field large parking area washroom facilities Light refreshments will also avail able located Highway 8 midway tween Hamilton Cambridge Ontario Hotels motels minutes away Maps hotel prices locations etc will mailed entrants Get information Jack RR 1 Midhurst Ontar io LOL iXO phone number 705 728-4467 1988 NSS Soar-In Marshall Long NSS Soar-In coordinator announced details tenth annual edition nationwide happen ing couldnt better quote Mar shalls flyer would like extend invitation hold NSS Soar-In contest year can held time between May 7 August 28 can one- two-day event whichever required complete two rounds T-4 Cumulative Dura tion task T-4 well-known 15-minute Add-Em-Up will add wrinkle three individual flights must exceed three five seven minutes Going over deducts usual point per second L-4 Spot Landing will used Classes flown will Con test Directors choice the following Two-Meter Standard Unlimited Novice Sportsman Expert class Sailplane Unlimited y what bring big question asked last year much Soar-In going cost club As last year National Soaring Society will charge club hold Soar-In cost will NSS plaques awarded winners event feel Soar-In should used gain new members source revenue NSS district VP would hold Soar-In recruit two members would gain important 20 new members plaques will Winning Image again year NSS logo will color time plaques will larger last yearabout 10 x 12 plaques will display event class place along host clubs name cost plaques will $1150 cluding shipping CD club would ihterested holding Soar-In year please contact 824 Garden Meadow Universal City TX 78148 PS Soar-In contests should AMA sanctioned same Sailplane contest CASAs 1988 Sugarloaf Classic Capital Area Soaring Association will again putting 315-mile cross-country race May 21-22 contest site just off Route 28 35 miles west Dickerson MD 12 miles south Frederick MD Information can obtained Guy Dickes 6331 Paddington Lane Cen treville VA 22020 telephone number 703 830-3631 As PS Guy said completed Level V October 13 Bob Sowder did November Congratulations guys RC Giant Scale/de Vries Continued page 47 moment Im studying new 1 988-89 AMA Competition Regulations rather diligently effort anticipation judging George W Meyer Memorial/Scale Masters qualifier plan Pikes Peak re gion June 4-5 interested participat ing therell specific Giant Scale well Team Scale event contact CD Ivan Munning hoff 7815 Mallard Drive Falcon CO 80831 entry details contest will held US Air Force Academys North Auxiliary Field its 2500-ft paved runway final note whet appetite next months column Good buddy Ed Carroll Os prey fame has done again Piqued FULL BODY PILOT KIT Contains pilot head hands boots helmet cap goggles tull templates easy instruc tions Easy assemble finish Some simple sewing required Fully positionable too #2O6Ys scale #2OS-/n scale #204-A scale #2O3-/ scale Pnce [v32][b-1-10-1-10]]895 [v32][b-1-10-1-10]]995 [v32][b-1-10-1-10]]1095 [v32][b-1-10-1-10]]1695 DARNED GOOD AIRMEN Lightest pilots available Lifelike vinyl latex rubber U Build Sportsman Barnstormer Full Body Bust - BUST PILOT KIT Contains pilot head helmet sport cap goggles 2 jacket Easy assemble finish Pane #105-Ye scale NEW 595 #lOS~/s scale695 #l05Vs scale #104- scale. 895.h.W*Some #103- scale —~I~vsmpe ng red JET PILOT KIT Pilot has molded let helmet Contains face mask oxygen hose Estreme ly Realistic Weighs less / OZ Pnce #3O5-/ scale595 #307- scale895 ORDERING INSTRUCTIONS See dealer first order direct Add $100 shipping NYS residents add 75/u tan Send check money order COOSOK Send $100 catalog See Dealer add Dollar direct order handling 152 Model Aviation Road Kunners being successfully flown thin air Wyoming Colorado Eds latest de sign effort amongst nonscale Giants Wily Coyote low-winger 120 igni tion Ed says designed Road Runner eater Right now hes putting through its test paces hope well have photo next months column RC Electrics/Kopski Continued page 49 no point anyway suspect may react ad versely such unfiltered inputs natural follow-up operate-off-shehouse-line question concerns just what can used power large chargers home should clear such line-operated supply has BIG capability such may readily availableand case would quite expensive Just case some desire pursue idea further suggest look 12-volt DC supply capable supplying 20 amps continuously Personally dont know get thats economical Additional relevant discussion can found MA col umn June 87 wherein some thoughts given about bench-running motors January 1988 column featued coverage 1987 KRC Electric Fly have previous first-of-the-year issues covered preceding KRC meets However years coverage has proven different years has brought lots reader reaction questions about people planes pictured also about Electric Fly itselfsomething unusual just seems suddenly readers have become very interested meet response cross section latter questions KRC Electric Fly Keystone Radio Control Club Electric Fly KRC based Hatfield PAabout 35 miles north Philadel phia folks now view annual affair being perhaps largest club-sponsored annual Electric meet world Historically Electric Fly two-day meet having fun-fly format held third weekend September club field Hat field Ninth Annual KRC Electric Fly scheduled September 17-18 1988 proba bly will moved nearby much larger field since meet has outgrown historic site can get detailed information sending SASE CD Bruce Fenstermach er 636 Schoolhouse Rd Telford PA 18969 ElectriCub Great Planes brings its share reader mail months photos clude two examples model have seen both air planes look pretty ground have flown ElectriCub can pass along some input thoughts about As generalization feel kit design heavier need penalty ROG takeoffs attempted stock power system Typically stock power system marginal regardsome Cubs can just barely make off ground some cant option may help problem change six 1 2-Ah cells lighter 800-mAb packs Some modelers have suggested upping six cells seven have oppor tunity bench-run two ElectriCub Thrustmaster motors based data think changing seven 800-mAh cells staying kit-supplied 8 x 4 Tornado prop good idea reference seven cells prop should result average 10500 rpm input current about 19 amps total power input about 135 watts As see just about can expect Thrustmaster han dle still give reasonable motor life fact what would try myself Electri Cub Thrustmaster motor what really would Electri Cub would use 15-size Yuk hate kind size-designation motor speed con trol know Id have model significantly greater capability completely consistent Caliph experience documented heav ily recent columns Like Caliph ElectriCub what call three-pound plane mean almost no matter what because models size structure flying intent state Elec tric theyre gonna come Out weighing some between 2 31A lb Installing 15 sys tem will push upper limit weight range will result plane plenty groundhandling capability some aerobatic cap ability did figure out self have also reader input saying 15 way go Now surely cant wrong right Anyway some specifics Based referenced Caliph work recommend consider powering ElectriCub either ferrite cobalt 15 direct drive 10 12 cells use speed control recommend 8 x 6 nylon prop 10 cells 8 x 4 12 plane think best choice 800 mAh cells 900s second Finally based reader input SURE beef up wing center sec tionyou can loop Cub have build new Continued page 154 May1988 153
Edition: Model Aviation - 1988/05
Page Numbers: 46, 47, 152, 153
IM SERVING UP kind potpourri month dont know youve noticed things looking up us Big Bird builders After years building models scratch more kits Giant Scale birds arriving local hobby shops Certainly its lot eas ier building kit attendant parts prefabrication include Concurrently acces sory suppliers have increased variety hits pieces suitable large RC model construction Recently good folks Sig sent goody box containing examples what Im talking about Sigs latest Giant Scale products include tiller arms designed transfer control movements servo rudder elevator sturdy plastic levers may used both wire pushrod systems Giant Scale mod els requiring device mount wheel pants Sig has come up combination wheel collar pant-mounting bracket simplifies job brackets bolted inside wheel pant assembly slipped over axle wire couple setscrews tightened Nothing could simpler functional completely hidden retain scale contours Finally Sigs new lineup nifty bits piec es includes some large-sized rudder/elevator horns Theyre two-sided eminently suit able pull-pull control systemsthe safest way go youve followed column over past few months know yours truly heavily volved interrelationship between personal computers Giant Scale models fact noted new friend Chuck Anderson Tullaho ma TN Although Chucks modeling interests lie Sailplanes hes developed computer air foil-drawing program shows definite adapta tion hobby interest Chucks program capable accepting airfoil ordinates drawing precise airfoils chords up 45 youre interested such software can contact Chuck PO Box 305 Tullahoma TN 37388 Enclose SASE Chuck will send information sheet notes computers printers that1l sup port program Although Ive able run program machine have yn gotten printout reason course Im using HP laser printer Chucks program designed dot-matrix printers Im going give Chucks disk go friends computer see what transpires Although earlier lauded increasing availDale Alyea former IMAA VP shown new Byron Originals F4U Corsair pow ered Sacha-Dolmar 42 big ship has Robart retracts Byron three-bladed prop Control Ace Silver Seven First flight resulted wheels-up landing possibly due Dales omitting Ace Noise Traps radio installation After adding fixing crash rash repositioning CG forward compensate aft-retracting gear addition second battery just servos everything great quote Dale aircraft flew made air reports theres no nose-up tendency flaps deployed tad power necessary landings keep nose up 1 xample airfoil drawn Chuck Andersons computer program Text has details about 1 \II CKNEb CAD Computer Aided Design program T7 iI-V 46 Model Aviation Radio Control Giant Scale John de Vries Colonel USAF Ret 4610 Moffat Ln Colorado SprIngs CO 80915 John P Violettes Giant Sweet/Low Stik Hes Norco LA uses 23 Cu Zenoah 19-lb beauty Other things uses l200mAh battery Kraft Signature radio ability Giant Scale kits still host modelers prefer build mail order plans drawings cater craftsmen among us ViP Publishers Inc has just published its Directory Large Scale Plans blush immodesty book written Dick Phil lips author reviews depth 50 large-scale plans includes 5 x 7 photo aircraft provides documentation accesso ry sources first five planned volumes book costs $1195 plus $150 P&H ViP Publishers PO Box 16103 Colorado Springs CO 80935 Although months column has definite commercial bent something wed like congratulate ourselves about havent infected collectors item syn drome cursory glance other hobbies will reveal products designed purchased put away until increase value gun people coin people doll peo pleeven baseball card peopleall afflict ed collectors items possible excep tion antique engine collectors tend acquire real thing rather specially manufactured hummers use practically everything available us quick trip down Giant model flight line will reveal ancient ra dios still functioning new frequencies discontinued engines still turning big props Wonderful want see real collec tors items visit Hurst Bowers great model airplane museum AMA Headquarters Res ton VA Speaking collectors items wonder long takes really wear out Giant Scale engine Im talking about people fly models midst sandstorms abuse other ways Given reasonable care maintenance just hours will Quadra Zenoah other sturdy engines use power birds keep running provide ad equate flight power Ive heard engines failing flight due de fects manufacture other factors weak castings overlooked crash damage over-rev ving etc Ive never talked modeler just plumb wore out big gasburners course bunch variables determine just long engine will function properly Among might flights has heat-up/cool-down cycles has subjected engine used cowled uncowled installations proper fuel mixture always used en gine flown overly heavy models overpropped much its running life Probably question Im asking nor mal use long can Giant Scale engine ex pected last answer complicated though may probably being generated today Since Giant Scale movement roughly 12 years old some early Quadras Ropers Ohlssons must reaching end useful lives think youve got graybeards still powering birds currently being flownand can provide honest estimate much time youve got itId like hear Ill share data may collect column no other reason give modelers idea what can expect invest hard-earned cash Giant type engine information may value Continued page 152 am makers2 rNEWFr HEAD LOCK HEADLITE te Features 1STAINLESS STEEL HEAD LOCK tm glow plug connector strength corrosion free lire 2FIELD REPLACEABLE 1 2 AH Nicad 3Built FULLY AUTOMATIC ON/OFF SWITCHto prevent short circuits pocket tool box 4LED INDICATED charger available HEAD-LI IL m--$1695 IfAD-LITE m W/GHAIER-$2595 available write direct add S1OO 4S2OO outside USi MODEL PRODUCTS CORP PO BOX 100 ALLAMUCHY NEW JERSEY 07820 I WANNA RACE NORTHEAST AREA £ L BEGINNER RACES - 0-500 * FORM-i * FAI Instructions Club Programs Information Contact NORTH EAST PYLON RACING ORGANIZATION 119 DEAN AVEFRANKLIN MASS 02038 Tel 617 528-4043 203 673 -2000 May 1988 47 AIR WOLF EPOXY FIBERGLASS FUSELAGE S TAKES MOST 50-60 MECHANICS OTHER MODELS AVAILABLE LARRY JOLLY MODEL PRODUCTS $20000 5501 WCOMO SANTA ANA CALIFORNIA 92703 714 826-6861 motions Robart Some other names winners list will recognize Don Edberg Dave Peltz Michael Selig Special thanks should go Matrix Enter prises San Diego contributed sufficient SpaceCases put teams planes equipment really neat tough plastic cases can custom-designed carry Sailplane transmitter anything Contact 7015 Carroll Road San Diego CA 92121 phone 619 450-9509 Like 87 F3B team pin Tom also mentioned limited number 87 pins available close-out price $2 plus 390 postage Personally Im buying few trade foreign pins 89 Champs because will col lectors items always informal com petition see can get pins hat Send check US Soaring Team PO Box 9328 Albuquerque NM 87119 1988 Canadian NatsAugust 6-8 Jack Nunn wrote tell us venue has changed new site Beverly Centre Rockton Ontario reason change give three full days uninterrupted flyinga total over 28 hours would have possible main Nats site Brantford Power peo ple dominate Beverly Centre excellent sod field large parking area washroom facilities Light refreshments will also avail able located Highway 8 midway tween Hamilton Cambridge Ontario Hotels motels minutes away Maps hotel prices locations etc will mailed entrants Get information Jack RR 1 Midhurst Ontar io LOL iXO phone number 705 728-4467 1988 NSS Soar-In Marshall Long NSS Soar-In coordinator announced details tenth annual edition nationwide happen ing couldnt better quote Mar shalls flyer would like extend invitation hold NSS Soar-In contest year can held time between May 7 August 28 can one- two-day event whichever required complete two rounds T-4 Cumulative Dura tion task T-4 well-known 15-minute Add-Em-Up will add wrinkle three individual flights must exceed three five seven minutes Going over deducts usual point per second L-4 Spot Landing will used Classes flown will Con test Directors choice the following Two-Meter Standard Unlimited Novice Sportsman Expert class Sailplane Unlimited y what bring big question asked last year much Soar-In going cost club As last year National Soaring Society will charge club hold Soar-In cost will NSS plaques awarded winners event feel Soar-In should used gain new members source revenue NSS district VP would hold Soar-In recruit two members would gain important 20 new members plaques will Winning Image again year NSS logo will color time plaques will larger last yearabout 10 x 12 plaques will display event class place along host clubs name cost plaques will $1150 cluding shipping CD club would ihterested holding Soar-In year please contact 824 Garden Meadow Universal City TX 78148 PS Soar-In contests should AMA sanctioned same Sailplane contest CASAs 1988 Sugarloaf Classic Capital Area Soaring Association will again putting 315-mile cross-country race May 21-22 contest site just off Route 28 35 miles west Dickerson MD 12 miles south Frederick MD Information can obtained Guy Dickes 6331 Paddington Lane Cen treville VA 22020 telephone number 703 830-3631 As PS Guy said completed Level V October 13 Bob Sowder did November Congratulations guys RC Giant Scale/de Vries Continued page 47 moment Im studying new 1 988-89 AMA Competition Regulations rather diligently effort anticipation judging George W Meyer Memorial/Scale Masters qualifier plan Pikes Peak re gion June 4-5 interested participat ing therell specific Giant Scale well Team Scale event contact CD Ivan Munning hoff 7815 Mallard Drive Falcon CO 80831 entry details contest will held US Air Force Academys North Auxiliary Field its 2500-ft paved runway final note whet appetite next months column Good buddy Ed Carroll Os prey fame has done again Piqued FULL BODY PILOT KIT Contains pilot head hands boots helmet cap goggles tull templates easy instruc tions Easy assemble finish Some simple sewing required Fully positionable too #2O6Ys scale #2OS-/n scale #204-A scale #2O3-/ scale Pnce [v32][b-1-10-1-10]]895 [v32][b-1-10-1-10]]995 [v32][b-1-10-1-10]]1095 [v32][b-1-10-1-10]]1695 DARNED GOOD AIRMEN Lightest pilots available Lifelike vinyl latex rubber U Build Sportsman Barnstormer Full Body Bust - BUST PILOT KIT Contains pilot head helmet sport cap goggles 2 jacket Easy assemble finish Pane #105-Ye scale NEW 595 #lOS~/s scale695 #l05Vs scale #104- scale. 895.h.W*Some #103- scale —~I~vsmpe ng red JET PILOT KIT Pilot has molded let helmet Contains face mask oxygen hose Estreme ly Realistic Weighs less / OZ Pnce #3O5-/ scale595 #307- scale895 ORDERING INSTRUCTIONS See dealer first order direct Add $100 shipping NYS residents add 75/u tan Send check money order COOSOK Send $100 catalog See Dealer add Dollar direct order handling 152 Model Aviation Road Kunners being successfully flown thin air Wyoming Colorado Eds latest de sign effort amongst nonscale Giants Wily Coyote low-winger 120 igni tion Ed says designed Road Runner eater Right now hes putting through its test paces hope well have photo next months column RC Electrics/Kopski Continued page 49 no point anyway suspect may react ad versely such unfiltered inputs natural follow-up operate-off-shehouse-line question concerns just what can used power large chargers home should clear such line-operated supply has BIG capability such may readily availableand case would quite expensive Just case some desire pursue idea further suggest look 12-volt DC supply capable supplying 20 amps continuously Personally dont know get thats economical Additional relevant discussion can found MA col umn June 87 wherein some thoughts given about bench-running motors January 1988 column featued coverage 1987 KRC Electric Fly have previous first-of-the-year issues covered preceding KRC meets However years coverage has proven different years has brought lots reader reaction questions about people planes pictured also about Electric Fly itselfsomething unusual just seems suddenly readers have become very interested meet response cross section latter questions KRC Electric Fly Keystone Radio Control Club Electric Fly KRC based Hatfield PAabout 35 miles north Philadel phia folks now view annual affair being perhaps largest club-sponsored annual Electric meet world Historically Electric Fly two-day meet having fun-fly format held third weekend September club field Hat field Ninth Annual KRC Electric Fly scheduled September 17-18 1988 proba bly will moved nearby much larger field since meet has outgrown historic site can get detailed information sending SASE CD Bruce Fenstermach er 636 Schoolhouse Rd Telford PA 18969 ElectriCub Great Planes brings its share reader mail months photos clude two examples model have seen both air planes look pretty ground have flown ElectriCub can pass along some input thoughts about As generalization feel kit design heavier need penalty ROG takeoffs attempted stock power system Typically stock power system marginal regardsome Cubs can just barely make off ground some cant option may help problem change six 1 2-Ah cells lighter 800-mAb packs Some modelers have suggested upping six cells seven have oppor tunity bench-run two ElectriCub Thrustmaster motors based data think changing seven 800-mAh cells staying kit-supplied 8 x 4 Tornado prop good idea reference seven cells prop should result average 10500 rpm input current about 19 amps total power input about 135 watts As see just about can expect Thrustmaster han dle still give reasonable motor life fact what would try myself Electri Cub Thrustmaster motor what really would Electri Cub would use 15-size Yuk hate kind size-designation motor speed con trol know Id have model significantly greater capability completely consistent Caliph experience documented heav ily recent columns Like Caliph ElectriCub what call three-pound plane mean almost no matter what because models size structure flying intent state Elec tric theyre gonna come Out weighing some between 2 31A lb Installing 15 sys tem will push upper limit weight range will result plane plenty groundhandling capability some aerobatic cap ability did figure out self have also reader input saying 15 way go Now surely cant wrong right Anyway some specifics Based referenced Caliph work recommend consider powering ElectriCub either ferrite cobalt 15 direct drive 10 12 cells use speed control recommend 8 x 6 nylon prop 10 cells 8 x 4 12 plane think best choice 800 mAh cells 900s second Finally based reader input SURE beef up wing center sec tionyou can loop Cub have build new Continued page 154 May1988 153
Edition: Model Aviation - 1988/05
Page Numbers: 46, 47, 152, 153
IM SERVING UP kind potpourri month dont know youve noticed things looking up us Big Bird builders After years building models scratch more kits Giant Scale birds arriving local hobby shops Certainly its lot eas ier building kit attendant parts prefabrication include Concurrently acces sory suppliers have increased variety hits pieces suitable large RC model construction Recently good folks Sig sent goody box containing examples what Im talking about Sigs latest Giant Scale products include tiller arms designed transfer control movements servo rudder elevator sturdy plastic levers may used both wire pushrod systems Giant Scale mod els requiring device mount wheel pants Sig has come up combination wheel collar pant-mounting bracket simplifies job brackets bolted inside wheel pant assembly slipped over axle wire couple setscrews tightened Nothing could simpler functional completely hidden retain scale contours Finally Sigs new lineup nifty bits piec es includes some large-sized rudder/elevator horns Theyre two-sided eminently suit able pull-pull control systemsthe safest way go youve followed column over past few months know yours truly heavily volved interrelationship between personal computers Giant Scale models fact noted new friend Chuck Anderson Tullaho ma TN Although Chucks modeling interests lie Sailplanes hes developed computer air foil-drawing program shows definite adapta tion hobby interest Chucks program capable accepting airfoil ordinates drawing precise airfoils chords up 45 youre interested such software can contact Chuck PO Box 305 Tullahoma TN 37388 Enclose SASE Chuck will send information sheet notes computers printers that1l sup port program Although Ive able run program machine have yn gotten printout reason course Im using HP laser printer Chucks program designed dot-matrix printers Im going give Chucks disk go friends computer see what transpires Although earlier lauded increasing availDale Alyea former IMAA VP shown new Byron Originals F4U Corsair pow ered Sacha-Dolmar 42 big ship has Robart retracts Byron three-bladed prop Control Ace Silver Seven First flight resulted wheels-up landing possibly due Dales omitting Ace Noise Traps radio installation After adding fixing crash rash repositioning CG forward compensate aft-retracting gear addition second battery just servos everything great quote Dale aircraft flew made air reports theres no nose-up tendency flaps deployed tad power necessary landings keep nose up 1 xample airfoil drawn Chuck Andersons computer program Text has details about 1 \II CKNEb CAD Computer Aided Design program T7 iI-V 46 Model Aviation Radio Control Giant Scale John de Vries Colonel USAF Ret 4610 Moffat Ln Colorado SprIngs CO 80915 John P Violettes Giant Sweet/Low Stik Hes Norco LA uses 23 Cu Zenoah 19-lb beauty Other things uses l200mAh battery Kraft Signature radio ability Giant Scale kits still host modelers prefer build mail order plans drawings cater craftsmen among us ViP Publishers Inc has just published its Directory Large Scale Plans blush immodesty book written Dick Phil lips author reviews depth 50 large-scale plans includes 5 x 7 photo aircraft provides documentation accesso ry sources first five planned volumes book costs $1195 plus $150 P&H ViP Publishers PO Box 16103 Colorado Springs CO 80935 Although months column has definite commercial bent something wed like congratulate ourselves about havent infected collectors item syn drome cursory glance other hobbies will reveal products designed purchased put away until increase value gun people coin people doll peo pleeven baseball card peopleall afflict ed collectors items possible excep tion antique engine collectors tend acquire real thing rather specially manufactured hummers use practically everything available us quick trip down Giant model flight line will reveal ancient ra dios still functioning new frequencies discontinued engines still turning big props Wonderful want see real collec tors items visit Hurst Bowers great model airplane museum AMA Headquarters Res ton VA Speaking collectors items wonder long takes really wear out Giant Scale engine Im talking about people fly models midst sandstorms abuse other ways Given reasonable care maintenance just hours will Quadra Zenoah other sturdy engines use power birds keep running provide ad equate flight power Ive heard engines failing flight due de fects manufacture other factors weak castings overlooked crash damage over-rev ving etc Ive never talked modeler just plumb wore out big gasburners course bunch variables determine just long engine will function properly Among might flights has heat-up/cool-down cycles has subjected engine used cowled uncowled installations proper fuel mixture always used en gine flown overly heavy models overpropped much its running life Probably question Im asking nor mal use long can Giant Scale engine ex pected last answer complicated though may probably being generated today Since Giant Scale movement roughly 12 years old some early Quadras Ropers Ohlssons must reaching end useful lives think youve got graybeards still powering birds currently being flownand can provide honest estimate much time youve got itId like hear Ill share data may collect column no other reason give modelers idea what can expect invest hard-earned cash Giant type engine information may value Continued page 152 am makers2 rNEWFr HEAD LOCK HEADLITE te Features 1STAINLESS STEEL HEAD LOCK tm glow plug connector strength corrosion free lire 2FIELD REPLACEABLE 1 2 AH Nicad 3Built FULLY AUTOMATIC ON/OFF SWITCHto prevent short circuits pocket tool box 4LED INDICATED charger available HEAD-LI IL m--$1695 IfAD-LITE m W/GHAIER-$2595 available write direct add S1OO 4S2OO outside USi MODEL PRODUCTS CORP PO BOX 100 ALLAMUCHY NEW JERSEY 07820 I WANNA RACE NORTHEAST AREA £ L BEGINNER RACES - 0-500 * FORM-i * FAI Instructions Club Programs Information Contact NORTH EAST PYLON RACING ORGANIZATION 119 DEAN AVEFRANKLIN MASS 02038 Tel 617 528-4043 203 673 -2000 May 1988 47 AIR WOLF EPOXY FIBERGLASS FUSELAGE S TAKES MOST 50-60 MECHANICS OTHER MODELS AVAILABLE LARRY JOLLY MODEL PRODUCTS $20000 5501 WCOMO SANTA ANA CALIFORNIA 92703 714 826-6861 motions Robart Some other names winners list will recognize Don Edberg Dave Peltz Michael Selig Special thanks should go Matrix Enter prises San Diego contributed sufficient SpaceCases put teams planes equipment really neat tough plastic cases can custom-designed carry Sailplane transmitter anything Contact 7015 Carroll Road San Diego CA 92121 phone 619 450-9509 Like 87 F3B team pin Tom also mentioned limited number 87 pins available close-out price $2 plus 390 postage Personally Im buying few trade foreign pins 89 Champs because will col lectors items always informal com petition see can get pins hat Send check US Soaring Team PO Box 9328 Albuquerque NM 87119 1988 Canadian NatsAugust 6-8 Jack Nunn wrote tell us venue has changed new site Beverly Centre Rockton Ontario reason change give three full days uninterrupted flyinga total over 28 hours would have possible main Nats site Brantford Power peo ple dominate Beverly Centre excellent sod field large parking area washroom facilities Light refreshments will also avail able located Highway 8 midway tween Hamilton Cambridge Ontario Hotels motels minutes away Maps hotel prices locations etc will mailed entrants Get information Jack RR 1 Midhurst Ontar io LOL iXO phone number 705 728-4467 1988 NSS Soar-In Marshall Long NSS Soar-In coordinator announced details tenth annual edition nationwide happen ing couldnt better quote Mar shalls flyer would like extend invitation hold NSS Soar-In contest year can held time between May 7 August 28 can one- two-day event whichever required complete two rounds T-4 Cumulative Dura tion task T-4 well-known 15-minute Add-Em-Up will add wrinkle three individual flights must exceed three five seven minutes Going over deducts usual point per second L-4 Spot Landing will used Classes flown will Con test Directors choice the following Two-Meter Standard Unlimited Novice Sportsman Expert class Sailplane Unlimited y what bring big question asked last year much Soar-In going cost club As last year National Soaring Society will charge club hold Soar-In cost will NSS plaques awarded winners event feel Soar-In should used gain new members source revenue NSS district VP would hold Soar-In recruit two members would gain important 20 new members plaques will Winning Image again year NSS logo will color time plaques will larger last yearabout 10 x 12 plaques will display event class place along host clubs name cost plaques will $1150 cluding shipping CD club would ihterested holding Soar-In year please contact 824 Garden Meadow Universal City TX 78148 PS Soar-In contests should AMA sanctioned same Sailplane contest CASAs 1988 Sugarloaf Classic Capital Area Soaring Association will again putting 315-mile cross-country race May 21-22 contest site just off Route 28 35 miles west Dickerson MD 12 miles south Frederick MD Information can obtained Guy Dickes 6331 Paddington Lane Cen treville VA 22020 telephone number 703 830-3631 As PS Guy said completed Level V October 13 Bob Sowder did November Congratulations guys RC Giant Scale/de Vries Continued page 47 moment Im studying new 1 988-89 AMA Competition Regulations rather diligently effort anticipation judging George W Meyer Memorial/Scale Masters qualifier plan Pikes Peak re gion June 4-5 interested participat ing therell specific Giant Scale well Team Scale event contact CD Ivan Munning hoff 7815 Mallard Drive Falcon CO 80831 entry details contest will held US Air Force Academys North Auxiliary Field its 2500-ft paved runway final note whet appetite next months column Good buddy Ed Carroll Os prey fame has done again Piqued FULL BODY PILOT KIT Contains pilot head hands boots helmet cap goggles tull templates easy instruc tions Easy assemble finish Some simple sewing required Fully positionable too #2O6Ys scale #2OS-/n scale #204-A scale #2O3-/ scale Pnce [v32][b-1-10-1-10]]895 [v32][b-1-10-1-10]]995 [v32][b-1-10-1-10]]1095 [v32][b-1-10-1-10]]1695 DARNED GOOD AIRMEN Lightest pilots available Lifelike vinyl latex rubber U Build Sportsman Barnstormer Full Body Bust - BUST PILOT KIT Contains pilot head helmet sport cap goggles 2 jacket Easy assemble finish Pane #105-Ye scale NEW 595 #lOS~/s scale695 #l05Vs scale #104- scale. 895.h.W*Some #103- scale —~I~vsmpe ng red JET PILOT KIT Pilot has molded let helmet Contains face mask oxygen hose Estreme ly Realistic Weighs less / OZ Pnce #3O5-/ scale595 #307- scale895 ORDERING INSTRUCTIONS See dealer first order direct Add $100 shipping NYS residents add 75/u tan Send check money order COOSOK Send $100 catalog See Dealer add Dollar direct order handling 152 Model Aviation Road Kunners being successfully flown thin air Wyoming Colorado Eds latest de sign effort amongst nonscale Giants Wily Coyote low-winger 120 igni tion Ed says designed Road Runner eater Right now hes putting through its test paces hope well have photo next months column RC Electrics/Kopski Continued page 49 no point anyway suspect may react ad versely such unfiltered inputs natural follow-up operate-off-shehouse-line question concerns just what can used power large chargers home should clear such line-operated supply has BIG capability such may readily availableand case would quite expensive Just case some desire pursue idea further suggest look 12-volt DC supply capable supplying 20 amps continuously Personally dont know get thats economical Additional relevant discussion can found MA col umn June 87 wherein some thoughts given about bench-running motors January 1988 column featued coverage 1987 KRC Electric Fly have previous first-of-the-year issues covered preceding KRC meets However years coverage has proven different years has brought lots reader reaction questions about people planes pictured also about Electric Fly itselfsomething unusual just seems suddenly readers have become very interested meet response cross section latter questions KRC Electric Fly Keystone Radio Control Club Electric Fly KRC based Hatfield PAabout 35 miles north Philadel phia folks now view annual affair being perhaps largest club-sponsored annual Electric meet world Historically Electric Fly two-day meet having fun-fly format held third weekend September club field Hat field Ninth Annual KRC Electric Fly scheduled September 17-18 1988 proba bly will moved nearby much larger field since meet has outgrown historic site can get detailed information sending SASE CD Bruce Fenstermach er 636 Schoolhouse Rd Telford PA 18969 ElectriCub Great Planes brings its share reader mail months photos clude two examples model have seen both air planes look pretty ground have flown ElectriCub can pass along some input thoughts about As generalization feel kit design heavier need penalty ROG takeoffs attempted stock power system Typically stock power system marginal regardsome Cubs can just barely make off ground some cant option may help problem change six 1 2-Ah cells lighter 800-mAb packs Some modelers have suggested upping six cells seven have oppor tunity bench-run two ElectriCub Thrustmaster motors based data think changing seven 800-mAh cells staying kit-supplied 8 x 4 Tornado prop good idea reference seven cells prop should result average 10500 rpm input current about 19 amps total power input about 135 watts As see just about can expect Thrustmaster han dle still give reasonable motor life fact what would try myself Electri Cub Thrustmaster motor what really would Electri Cub would use 15-size Yuk hate kind size-designation motor speed con trol know Id have model significantly greater capability completely consistent Caliph experience documented heav ily recent columns Like Caliph ElectriCub what call three-pound plane mean almost no matter what because models size structure flying intent state Elec tric theyre gonna come Out weighing some between 2 31A lb Installing 15 sys tem will push upper limit weight range will result plane plenty groundhandling capability some aerobatic cap ability did figure out self have also reader input saying 15 way go Now surely cant wrong right Anyway some specifics Based referenced Caliph work recommend consider powering ElectriCub either ferrite cobalt 15 direct drive 10 12 cells use speed control recommend 8 x 6 nylon prop 10 cells 8 x 4 12 plane think best choice 800 mAh cells 900s second Finally based reader input SURE beef up wing center sec tionyou can loop Cub have build new Continued page 154 May1988 153