Radio Control SOARING Dan Pruss WHEN heard Lee Renauds unexpected death wondered might express thoughts feelings ahout comrade seemed hest way post humous letter Fehmary 1983 Dear Lee Just thought would care know last two weeks have mighty tough lot us hope dont mind heing told through column sad news passed friends reactions like nothing ever would have expected First came dis belief came memories pleasura ble moments genius design provided us didnt know per sonally felt didlike ones first started sport nearly generation ago telling welcomed first efforts helping hand form Olympic 99 back 1969 dont know realized kit gave people successful start sport anything else time shortly after Grand Esprit made its debut us felt design epitomized beauty anything soared still feel way Next came Aquila World Championship As matter fact two designs helped USA take home double gold victories first F3B World Championships 1977 teams regret wasnt hand see expression received news gained new friends Aquila Grande also started another gen eration fliers off Olympic II Both old fans newer ones ap plauded Sagitta series realized 900 helped worldwide promotion inter national competition between designs came other models us other interestsbut models werent designed kitted less enthusiasm nor less attention us modelers us really felt knew Lee knew love sport modeler extended well beyond drafting table shop heart big sky hand went out times would ever have admitted just case might have gotten havent big contestsand small ones tooand tournaments team support programs teams themselves felt remembered generous hand heart Most 60 Model Aviation GAMMA / C- Peter Gerbers GAMMA Swiss machine presented 1982 1SF forum mentioned last months column Its F3B design featuring pivoting wings no ailerons inboard-mounted spoilers meant disturb airflow over tail improve low-speed handling PIRANHA T____ ___ __- ioj_ 1 L_ PIRANHA another unique Swiss design uses flaperons its Eppler-214-airfoil wing Though its F3B design has successfully converted electric power both versions have proven winners competition flaps used change airfoil camber tailor performance specific flight tasks showed sealed hinge made See little fillet between trailing edge right flap side fuselage Its strip MonoKote attached flap onlythe other end free wipe against fuselage sealing gap reducing drag us will have admit theres going large hollow left now gather trade shows Nats bull sessions around country Yet also know out summer day Sailplane sky youll look over shoulders point Out big oneover Good lift old friend Last month reference made two interest ing models Switzerland Both proven designs yet distinctively different GAMMA design Peter Gerber fea tures pivoting wing system lateral control instead ailerons spoilers idea course produces extremely clean wing design having hinge lines necessary ailer ons flaps basic wing motion incidence changes shown simplified sketch Sepa rate servos drive wing about main wing rod first model used 7mm-diam rod Though successful 12mm size recommended now being used Back August 1979 column featured other pivoting-wing system used aerobatic Slope ship photos drawing pre sented might shed light subject youre interested Back GAMMA Wingspan 2850mm airfoil Gerbers own chord root measures 250mm 160mm tip horizontal stabilizer root airfoil measures 100mm tip measures 75mm di mensions avilable time however kitted version plane including hardware available Switzerland under name JONA THON interesting note about spoilers continued page 159 Servo POWRTOWa new commercIally-available winch Ted Davey Frame components have heavy-duty features can cover launching requirements lightly-loaded 2-Meter ship 11-lb cross-country bird Ratchet device meets FAI F3B requirements INTRODUCING SECOND GENEPATION OF SUPER COVERITE WITh NEW HI-LO TEMPERA11JRE RANGE NEW HI-LO TEMPERATURE RANGE Weve expanded Super Coverites heat range now carl fine-tune amount shrink depending surface covered Heres Hi-Low temperature range works 25EF solid surfaces inclading sheeted foam temperature lower plastic film settings shrink absolute minimum adhesive will fully activate stick securely bubbles 30fF mid-range typical plastic film temp Super Coverite will shrink tightly over open surfaces especially fabric draped properly before heating 350F higher temp Super Coverite will reach maximum shrink over open structure Including largest quarter-scale monsters large winged gliders NEW POWERHOUSE ADHESIVE Coverites adhesive designed specifically attach fabric model airplane surfaces will stick balsa hardwoode other surfaces Once its down wont come loose resists fuel creep better other iron-on Bar wont tum brittle ages like some iron-ons know crack shatter first time weather changes Compare feel Super Coverite other covering after its attached model right out wrapper can tell its going outlast others Its paper thin because dont skimp adhesive just claim lighter give enough adhesive allow re-position fabric youre covering model. ensure covering will come loose after its flown few times EXPLODING THE MYTH ABOUT WEIGHT Todays Super Coverite lighter ever actually weighs ahout 14 ounce per square tout Surprisingly some thats equal so-called lightweight plastic films does seem heavier Coverite has weave valleys between fibres Since feel high spots valleys appears heavier plastic film Fact average sport plane takes 3 ounces Super Coverite WORRY-FREE SHRINK RATE Super Coverite properly applied shrinks tight drum --- can bounce quarter off belly anytime shell never warp model Imagine buying covering extraordinary shrink rates watching twist snap wing Coverite has always eliminated worry still does IT ALMOST GOES AROUND COMPOUND CURVES BY ITSELF Nothing soft pliable Super Coverite feele like shouid Like fabric like stiff paper Super Coverites flexible adhesive allows work labric around intricate comers tight spots well assumes shape structure before heat applied Other coverings require heat means polling hand ironing other much difficult technique master Thats beginners love Super Coverite Its goof-proof covering covers up mistakes Thin stiff paper-like coverings hide very little imperfection sticks out like sore thumb WHO CAN YOU ASK ABOUT IT Ask champions around globe Wolfgang Matt Henry Haffke Toni Clark Mitch Reeves Walt Moucha John Roth Dave Platt virtually everybody show team Ask manufacturers Toledo showmore half models see hanging P manufacturers booths Coverited mention actual winners Ask new wave glidermen have finally seen light switching plastic films Super Coverite Gordon Pearson Charlie Spears Sam Crawford Al Tuttle name few about guys entered Eastem Regionals Scale Masters ifi out 30 Coverited Next time go Smithsonian notice Coverite permanent modele display What covering Hindenburg modele used movie Yep Coverite won silver medal 76 Olympics Coverite USA racing boats year ever since HOW WILL YOU KNOW YOUVLE GE1TING NEW SUPER COVERITE As read ad its already dealers shelves package same Still wrapped polybagsoyoucansave leftovers Its cheaper shrinkwrap butwethinkthepolybagisworthitl So truck down favorite hobby store try out new Super Coverite Second Generation better ever May 1983 61 wing-pivoting system GAMMA bellcrank pivots fixed mount fuselage wing pivots its main support rod Eccentric action made possible slotted bellcrank yoke made pair wires acting pin root rib C0VERITE i L split 750 mAh pack radio gear will fit under seat foam rubber shock mount ing 1 also find Silver Seven two-stick trans mitter great choppers PS Im still flying Cricket No 2 new fast paddles short barmakes wild Well wear out Cricket might give Hughes modification try think Ill try keeping flying long Regarding Baron 20 mixer did drop ball since friend Bailey Harris didnt pursue plans Ill try again later column after flying Baron bit See next month Dave Chesney PO Box /66 12 Greensboro NC 27406 RC Pylon Racing/Hager Continued page 59 sport plane Sailplane no way will stand up vibrations tremendous stresses exerted used Pylon Racer Come guys lets sacrifice safety ounce weight Attention QM F-i Fliers Hey guys its rules-change time think ought take special notice results RC Contest Board Initial Vote reported March 1983 issue Model Aviation page 110 thats Competition Newsletter section seven rules change proposals dealing Pylon have passed initial vote three RC-84-4 RC-84-28 RC-84-29 opinion reflect desires Pylon Racing fraternity general know dont reflect thinking NMPRA special interest group Pylon Racing Proposal RC-84-4 authored Horrace Cain pertains alternate scoring system other two proposals authored R Wilson would require mufflers tuned pipes Quarter Midget Formula might keep eye rules change business Competition Newsletter see Cross-Proposals have submitted would impact Pylon event wont too long September 1983 exact until RC Contest Board makes its Final Vote pro posals pass theyll official rules starting 1984 Whether youre against Id advise write AMA district RC Contest Board member dis trict Vice-President too let him know feelings Pylon Racing rules proposals can make voice heard OGIANT SCALE KITS AND SEMI KITS CLEAR WHITE PINE STOCK SIZES 1/4 SCALE DUMMY RADIAL MOTORS CUSTOM KIT CUTTING SERVICE GIANT SCALE BLUE PRINTS BIG IS BETTER SEND $200 FOR OUR NEW CATALOG will some good district RC Contest Board member supposed vote accordance desires modelers district may personally feel about proposal NMPRA will also make its opinions known RC Contest Board believe rules af fecting specific class type competition like Pylon Racingshould reflect desires active competitors Im fond rules pro posals coming outside However AMA very democratic organization anyone entitled propose rules change RMcM Enough said month want sup port Racing should join NMPRAdo today Send dues $1 8/year Gary McPike 28925 Parkheath Dr Agoura CA 91301 See next month Bill Hager 706 Glen Haven Dr Conroe TX 77302 RC Soaring/Pruss Continued page 61 top view note closely inboard wing Theres good reason this par ticular model Normally other models spoilers outboard turbulence spoilers create doesnt turn disturb airflow over horizontal stab because force arrangement GAMMA found higher angles attack wingwash rendered stab ineffective slower airspeeds mov ing spoilers inboard actuated now actually turbulate airflow over stab stab found effective lower approach speeds other three-view PIRANHA Some details given last months column Note full-span flaps used mainly change airfoil shape different F3B tasks wing feature taken lightly nor answer new designs As mentioned last month designers thought winner paper PIRANHA winner became shark-by-the-tail airborne Small flap changers gave fliers feeling entirely new Sailplane whenever small flap changes made Over two years later fliers finally getting bird behave way supposed paper flaps 25% chord can positioned throughout range zero degrees minus six degrees thats six degrees above neutral Spoilers also used shown Condnuedon page 162 PEANUT SCALE MODELS 1PIETENPOL V PIPER CUB ANDRESON MUSTANGLACEY M-I0 Kite $595 MILES M-18 DRUINE COUGAR GiPSY MOTH GANAGOBIE Ribbr PoweredSPORT MODELS -BABY ACE$649 ONE NITE 28$695 ONE NilE 16$595 PRAIRIE BIRD 4STRINGLESS$495 KIT $595PECK ROG$195 RADIO BLIMPS CONTROLLED ond 13 FOOT LONGKITS OR READY TO FLY NOW IN THREE COLORS GRAY ORANGE ond YELLOW LOW PRICES ITEMS CTLOO Seo EamFe PHONE ttitt 442-4636 tOil 469-8615 BOX 2498 -MA ESA CA 92041 May1983 159 ENGINES S SSORIES Let us update old engines Sales repair services WE ALSO FEATURE OR CUSTOM CUT K COITIOLINI TEND PROFILE0COMBA 70RA T WIDE & NARROW WEDGE 75 -- 6 oz Capacities INIFLOW & TINDD Cutrn Dliii Fil Ingredients detailed brochure50C stamps/check oni CAROLINA-TAFFI N DER 8345 Delhi Road Charleston Hgts SC 29405 803553-7169 3TEARMAN PT- 17 Offered Two Sizes Quadra 60 Quarter Scale Quadra type Engines 96 Span 2 Scale 60 Engines 64 Span 1000 Sq Quarter Scale Plan Set $3250 2 Scale Plan $1850 red connecting rods made best materials available designed give long service snd eliminate rod breakage modern high-Perfor mance model engines Used leading aircraft boat car racers hobbyists Rods available popular model engines Look RPM new innovative products proven performance records Richardson Precision Machining Inc 5070 Golden Dr. San Jose CA 9512914081257-7059 162 Model Aviation Late items Ted Davey gent has producing DSC retrieval system has new winch market called POWRTOW photo shows its low-slung look Dave claims can launch ther lightest Two-Meter ship can also haul Il-lb cross-country bird air ease winch features solenoid-protected foot switch 1800 ft 15-lb-test line parachute hall bearing line swivel welded frame line drum low profile measures 235 x 12 x 9 weight less battery 40 lb further infor mation write Davey Systems Corp Wood Lane Malvem PA 19355 phone 215 644-0692 Two-Meter World Cup fourth running 2MWC will hosted Modesto Radio Control Club Five identical winches have fashioned event past will man-on-man event Entry forms will mailed out May l983 entries will close May 31 l983 event scheduled June 11-12 1983 further information contact Mr Ed Sb bod 9626 Jellico Ave Northridge CA 91325 phone 2l3 349-4758 Good Lift Doi Pruss 131 E Penninglon Ln Plainfleld IL 60544 Comanche/Perez-Kruse Continued page 67 ing shape both panels complete stage join dihedral spar liber ally epoxied place main landing gear legs bent 5/32-in wire I-bolted spar locations shown Tweak bit necessary make sure wheels track parallel fashion Sport Scale gear shown plans sake simplicity however Jeff chose machine front landing gear fork Precision Scale ship key stock attach setscrew two L-shaped brackets main gear done same fashion After main frame wing put together place nacelle assembly di rectly over leading edge main spar good glue bond can obtained tween pieces particularly leading edge Epoxy nacelles wing checking carefully adjusting necessary assure alignment sembly cures Notice Jeff didnt find necessary use engine thrust offset order keep plane out lines Drill necessary mounting holes temporarily mount engines tanks position Now bellcrank platform can ep oxied place Roberts upright bellcrank bolted-on Route braided cable Gold N Rod its plastic casing through wing rib spar structure and nacelle dual throttle controls 1/16-in music wire pushrod wrapped soldered braided cable attaches throttle arm bellcrank will necessary drill hole just inside original third line location order attach pushrod Since both engines operating same throttle cable carburetor control horns will have placed opposite other Otherwise high setting engine will low setting other Check assembly several times make sure its binding hanging up point particularly conscious possibility muffler interfering carburetor control horn pushrod up position After three lead-outs strung bellcrank sheet lifting surfaces wing 1/16 balsa nacelle areas will need planked some filling-in small balsa blocks will probably neces sary Cowls both engines can laid up fiberglass over carved form using balloon method molding stabilizer rudder both cut /4-in sheet sanded airfoil shape stabilizer presents special case because must mounted fuselage unit along its maple bearing block Re inforce weak spot rear stab shown inset plywood doublers mounting block can drilled out 5/32-in ID brass tube will serve bushing 5/32-in music wire control horn will need solder horn itself music wire slip wire through maple block bushing bend the top view however mounted conventional location wing flaps [6 [I7I7IDealer inquiries also mixed provide aileron action Both PIRANHA GAMMA have foam liii LFIi\j1J Incinvitedwings wood sheeting EconoKote covering High performance modeland workmanship flawless about engine connecting rodsthese birds information comes Get install dont take off Ken Willard RCM SERVO GARD SERVO GARD monitors airborne flight battery peek voltage well radio sigesi received transmitter receiver malfunction detected pan system SERVO GARD reduces throttle automatically ample time before battery failure safely land model SPECIFICATIONS Size Unit installed KPS-14 servo case foreasy installation Just plug throttle servo output Weight Approx 1 oz Sensitivity Accurate within 02 Volts Servo Pulse Unit shipped positive poise systems negative pulse available upon request SERVO GARD comes complete pre-wired pigtails servo connectors choice installed Ispecify connector type order SEE YOUR DEAL ER OR ORDER DIRECT DEALER INOUIRIES IN VI TED Price $3795 Postpaid ISpecify connector type positive negative pulse ordering ENDORSED BY THE SPIRIT OF AMERICA SHOW TEAM LIMA OHIO RF Enterprises 106 N Main St Arlington OH 45814 419 365-5360
Edition: Model Aviation - 1983/05
Page Numbers: 60, 61, 159, 162
Radio Control SOARING Dan Pruss WHEN heard Lee Renauds unexpected death wondered might express thoughts feelings ahout comrade seemed hest way post humous letter Fehmary 1983 Dear Lee Just thought would care know last two weeks have mighty tough lot us hope dont mind heing told through column sad news passed friends reactions like nothing ever would have expected First came dis belief came memories pleasura ble moments genius design provided us didnt know per sonally felt didlike ones first started sport nearly generation ago telling welcomed first efforts helping hand form Olympic 99 back 1969 dont know realized kit gave people successful start sport anything else time shortly after Grand Esprit made its debut us felt design epitomized beauty anything soared still feel way Next came Aquila World Championship As matter fact two designs helped USA take home double gold victories first F3B World Championships 1977 teams regret wasnt hand see expression received news gained new friends Aquila Grande also started another gen eration fliers off Olympic II Both old fans newer ones ap plauded Sagitta series realized 900 helped worldwide promotion inter national competition between designs came other models us other interestsbut models werent designed kitted less enthusiasm nor less attention us modelers us really felt knew Lee knew love sport modeler extended well beyond drafting table shop heart big sky hand went out times would ever have admitted just case might have gotten havent big contestsand small ones tooand tournaments team support programs teams themselves felt remembered generous hand heart Most 60 Model Aviation GAMMA / C- Peter Gerbers GAMMA Swiss machine presented 1982 1SF forum mentioned last months column Its F3B design featuring pivoting wings no ailerons inboard-mounted spoilers meant disturb airflow over tail improve low-speed handling PIRANHA T____ ___ __- ioj_ 1 L_ PIRANHA another unique Swiss design uses flaperons its Eppler-214-airfoil wing Though its F3B design has successfully converted electric power both versions have proven winners competition flaps used change airfoil camber tailor performance specific flight tasks showed sealed hinge made See little fillet between trailing edge right flap side fuselage Its strip MonoKote attached flap onlythe other end free wipe against fuselage sealing gap reducing drag us will have admit theres going large hollow left now gather trade shows Nats bull sessions around country Yet also know out summer day Sailplane sky youll look over shoulders point Out big oneover Good lift old friend Last month reference made two interest ing models Switzerland Both proven designs yet distinctively different GAMMA design Peter Gerber fea tures pivoting wing system lateral control instead ailerons spoilers idea course produces extremely clean wing design having hinge lines necessary ailer ons flaps basic wing motion incidence changes shown simplified sketch Sepa rate servos drive wing about main wing rod first model used 7mm-diam rod Though successful 12mm size recommended now being used Back August 1979 column featured other pivoting-wing system used aerobatic Slope ship photos drawing pre sented might shed light subject youre interested Back GAMMA Wingspan 2850mm airfoil Gerbers own chord root measures 250mm 160mm tip horizontal stabilizer root airfoil measures 100mm tip measures 75mm di mensions avilable time however kitted version plane including hardware available Switzerland under name JONA THON interesting note about spoilers continued page 159 Servo POWRTOWa new commercIally-available winch Ted Davey Frame components have heavy-duty features can cover launching requirements lightly-loaded 2-Meter ship 11-lb cross-country bird Ratchet device meets FAI F3B requirements INTRODUCING SECOND GENEPATION OF SUPER COVERITE WITh NEW HI-LO TEMPERA11JRE RANGE NEW HI-LO TEMPERATURE RANGE Weve expanded Super Coverites heat range now carl fine-tune amount shrink depending surface covered Heres Hi-Low temperature range works 25EF solid surfaces inclading sheeted foam temperature lower plastic film settings shrink absolute minimum adhesive will fully activate stick securely bubbles 30fF mid-range typical plastic film temp Super Coverite will shrink tightly over open surfaces especially fabric draped properly before heating 350F higher temp Super Coverite will reach maximum shrink over open structure Including largest quarter-scale monsters large winged gliders NEW POWERHOUSE ADHESIVE Coverites adhesive designed specifically attach fabric model airplane surfaces will stick balsa hardwoode other surfaces Once its down wont come loose resists fuel creep better other iron-on Bar wont tum brittle ages like some iron-ons know crack shatter first time weather changes Compare feel Super Coverite other covering after its attached model right out wrapper can tell its going outlast others Its paper thin because dont skimp adhesive just claim lighter give enough adhesive allow re-position fabric youre covering model. ensure covering will come loose after its flown few times EXPLODING THE MYTH ABOUT WEIGHT Todays Super Coverite lighter ever actually weighs ahout 14 ounce per square tout Surprisingly some thats equal so-called lightweight plastic films does seem heavier Coverite has weave valleys between fibres Since feel high spots valleys appears heavier plastic film Fact average sport plane takes 3 ounces Super Coverite WORRY-FREE SHRINK RATE Super Coverite properly applied shrinks tight drum --- can bounce quarter off belly anytime shell never warp model Imagine buying covering extraordinary shrink rates watching twist snap wing Coverite has always eliminated worry still does IT ALMOST GOES AROUND COMPOUND CURVES BY ITSELF Nothing soft pliable Super Coverite feele like shouid Like fabric like stiff paper Super Coverites flexible adhesive allows work labric around intricate comers tight spots well assumes shape structure before heat applied Other coverings require heat means polling hand ironing other much difficult technique master Thats beginners love Super Coverite Its goof-proof covering covers up mistakes Thin stiff paper-like coverings hide very little imperfection sticks out like sore thumb WHO CAN YOU ASK ABOUT IT Ask champions around globe Wolfgang Matt Henry Haffke Toni Clark Mitch Reeves Walt Moucha John Roth Dave Platt virtually everybody show team Ask manufacturers Toledo showmore half models see hanging P manufacturers booths Coverited mention actual winners Ask new wave glidermen have finally seen light switching plastic films Super Coverite Gordon Pearson Charlie Spears Sam Crawford Al Tuttle name few about guys entered Eastem Regionals Scale Masters ifi out 30 Coverited Next time go Smithsonian notice Coverite permanent modele display What covering Hindenburg modele used movie Yep Coverite won silver medal 76 Olympics Coverite USA racing boats year ever since HOW WILL YOU KNOW YOUVLE GE1TING NEW SUPER COVERITE As read ad its already dealers shelves package same Still wrapped polybagsoyoucansave leftovers Its cheaper shrinkwrap butwethinkthepolybagisworthitl So truck down favorite hobby store try out new Super Coverite Second Generation better ever May 1983 61 wing-pivoting system GAMMA bellcrank pivots fixed mount fuselage wing pivots its main support rod Eccentric action made possible slotted bellcrank yoke made pair wires acting pin root rib C0VERITE i L split 750 mAh pack radio gear will fit under seat foam rubber shock mount ing 1 also find Silver Seven two-stick trans mitter great choppers PS Im still flying Cricket No 2 new fast paddles short barmakes wild Well wear out Cricket might give Hughes modification try think Ill try keeping flying long Regarding Baron 20 mixer did drop ball since friend Bailey Harris didnt pursue plans Ill try again later column after flying Baron bit See next month Dave Chesney PO Box /66 12 Greensboro NC 27406 RC Pylon Racing/Hager Continued page 59 sport plane Sailplane no way will stand up vibrations tremendous stresses exerted used Pylon Racer Come guys lets sacrifice safety ounce weight Attention QM F-i Fliers Hey guys its rules-change time think ought take special notice results RC Contest Board Initial Vote reported March 1983 issue Model Aviation page 110 thats Competition Newsletter section seven rules change proposals dealing Pylon have passed initial vote three RC-84-4 RC-84-28 RC-84-29 opinion reflect desires Pylon Racing fraternity general know dont reflect thinking NMPRA special interest group Pylon Racing Proposal RC-84-4 authored Horrace Cain pertains alternate scoring system other two proposals authored R Wilson would require mufflers tuned pipes Quarter Midget Formula might keep eye rules change business Competition Newsletter see Cross-Proposals have submitted would impact Pylon event wont too long September 1983 exact until RC Contest Board makes its Final Vote pro posals pass theyll official rules starting 1984 Whether youre against Id advise write AMA district RC Contest Board member dis trict Vice-President too let him know feelings Pylon Racing rules proposals can make voice heard OGIANT SCALE KITS AND SEMI KITS CLEAR WHITE PINE STOCK SIZES 1/4 SCALE DUMMY RADIAL MOTORS CUSTOM KIT CUTTING SERVICE GIANT SCALE BLUE PRINTS BIG IS BETTER SEND $200 FOR OUR NEW CATALOG will some good district RC Contest Board member supposed vote accordance desires modelers district may personally feel about proposal NMPRA will also make its opinions known RC Contest Board believe rules af fecting specific class type competition like Pylon Racingshould reflect desires active competitors Im fond rules pro posals coming outside However AMA very democratic organization anyone entitled propose rules change RMcM Enough said month want sup port Racing should join NMPRAdo today Send dues $1 8/year Gary McPike 28925 Parkheath Dr Agoura CA 91301 See next month Bill Hager 706 Glen Haven Dr Conroe TX 77302 RC Soaring/Pruss Continued page 61 top view note closely inboard wing Theres good reason this par ticular model Normally other models spoilers outboard turbulence spoilers create doesnt turn disturb airflow over horizontal stab because force arrangement GAMMA found higher angles attack wingwash rendered stab ineffective slower airspeeds mov ing spoilers inboard actuated now actually turbulate airflow over stab stab found effective lower approach speeds other three-view PIRANHA Some details given last months column Note full-span flaps used mainly change airfoil shape different F3B tasks wing feature taken lightly nor answer new designs As mentioned last month designers thought winner paper PIRANHA winner became shark-by-the-tail airborne Small flap changers gave fliers feeling entirely new Sailplane whenever small flap changes made Over two years later fliers finally getting bird behave way supposed paper flaps 25% chord can positioned throughout range zero degrees minus six degrees thats six degrees above neutral Spoilers also used shown Condnuedon page 162 PEANUT SCALE MODELS 1PIETENPOL V PIPER CUB ANDRESON MUSTANGLACEY M-I0 Kite $595 MILES M-18 DRUINE COUGAR GiPSY MOTH GANAGOBIE Ribbr PoweredSPORT MODELS -BABY ACE$649 ONE NITE 28$695 ONE NilE 16$595 PRAIRIE BIRD 4STRINGLESS$495 KIT $595PECK ROG$195 RADIO BLIMPS CONTROLLED ond 13 FOOT LONGKITS OR READY TO FLY NOW IN THREE COLORS GRAY ORANGE ond YELLOW LOW PRICES ITEMS CTLOO Seo EamFe PHONE ttitt 442-4636 tOil 469-8615 BOX 2498 -MA ESA CA 92041 May1983 159 ENGINES S SSORIES Let us update old engines Sales repair services WE ALSO FEATURE OR CUSTOM CUT K COITIOLINI TEND PROFILE0COMBA 70RA T WIDE & NARROW WEDGE 75 -- 6 oz Capacities INIFLOW & TINDD Cutrn Dliii Fil Ingredients detailed brochure50C stamps/check oni CAROLINA-TAFFI N DER 8345 Delhi Road Charleston Hgts SC 29405 803553-7169 3TEARMAN PT- 17 Offered Two Sizes Quadra 60 Quarter Scale Quadra type Engines 96 Span 2 Scale 60 Engines 64 Span 1000 Sq Quarter Scale Plan Set $3250 2 Scale Plan $1850 red connecting rods made best materials available designed give long service snd eliminate rod breakage modern high-Perfor mance model engines Used leading aircraft boat car racers hobbyists Rods available popular model engines Look RPM new innovative products proven performance records Richardson Precision Machining Inc 5070 Golden Dr. San Jose CA 9512914081257-7059 162 Model Aviation Late items Ted Davey gent has producing DSC retrieval system has new winch market called POWRTOW photo shows its low-slung look Dave claims can launch ther lightest Two-Meter ship can also haul Il-lb cross-country bird air ease winch features solenoid-protected foot switch 1800 ft 15-lb-test line parachute hall bearing line swivel welded frame line drum low profile measures 235 x 12 x 9 weight less battery 40 lb further infor mation write Davey Systems Corp Wood Lane Malvem PA 19355 phone 215 644-0692 Two-Meter World Cup fourth running 2MWC will hosted Modesto Radio Control Club Five identical winches have fashioned event past will man-on-man event Entry forms will mailed out May l983 entries will close May 31 l983 event scheduled June 11-12 1983 further information contact Mr Ed Sb bod 9626 Jellico Ave Northridge CA 91325 phone 2l3 349-4758 Good Lift Doi Pruss 131 E Penninglon Ln Plainfleld IL 60544 Comanche/Perez-Kruse Continued page 67 ing shape both panels complete stage join dihedral spar liber ally epoxied place main landing gear legs bent 5/32-in wire I-bolted spar locations shown Tweak bit necessary make sure wheels track parallel fashion Sport Scale gear shown plans sake simplicity however Jeff chose machine front landing gear fork Precision Scale ship key stock attach setscrew two L-shaped brackets main gear done same fashion After main frame wing put together place nacelle assembly di rectly over leading edge main spar good glue bond can obtained tween pieces particularly leading edge Epoxy nacelles wing checking carefully adjusting necessary assure alignment sembly cures Notice Jeff didnt find necessary use engine thrust offset order keep plane out lines Drill necessary mounting holes temporarily mount engines tanks position Now bellcrank platform can ep oxied place Roberts upright bellcrank bolted-on Route braided cable Gold N Rod its plastic casing through wing rib spar structure and nacelle dual throttle controls 1/16-in music wire pushrod wrapped soldered braided cable attaches throttle arm bellcrank will necessary drill hole just inside original third line location order attach pushrod Since both engines operating same throttle cable carburetor control horns will have placed opposite other Otherwise high setting engine will low setting other Check assembly several times make sure its binding hanging up point particularly conscious possibility muffler interfering carburetor control horn pushrod up position After three lead-outs strung bellcrank sheet lifting surfaces wing 1/16 balsa nacelle areas will need planked some filling-in small balsa blocks will probably neces sary Cowls both engines can laid up fiberglass over carved form using balloon method molding stabilizer rudder both cut /4-in sheet sanded airfoil shape stabilizer presents special case because must mounted fuselage unit along its maple bearing block Re inforce weak spot rear stab shown inset plywood doublers mounting block can drilled out 5/32-in ID brass tube will serve bushing 5/32-in music wire control horn will need solder horn itself music wire slip wire through maple block bushing bend the top view however mounted conventional location wing flaps [6 [I7I7IDealer inquiries also mixed provide aileron action Both PIRANHA GAMMA have foam liii LFIi\j1J Incinvitedwings wood sheeting EconoKote covering High performance modeland workmanship flawless about engine connecting rodsthese birds information comes Get install dont take off Ken Willard RCM SERVO GARD SERVO GARD monitors airborne flight battery peek voltage well radio sigesi received transmitter receiver malfunction detected pan system SERVO GARD reduces throttle automatically ample time before battery failure safely land model SPECIFICATIONS Size Unit installed KPS-14 servo case foreasy installation Just plug throttle servo output Weight Approx 1 oz Sensitivity Accurate within 02 Volts Servo Pulse Unit shipped positive poise systems negative pulse available upon request SERVO GARD comes complete pre-wired pigtails servo connectors choice installed Ispecify connector type order SEE YOUR DEAL ER OR ORDER DIRECT DEALER INOUIRIES IN VI TED Price $3795 Postpaid ISpecify connector type positive negative pulse ordering ENDORSED BY THE SPIRIT OF AMERICA SHOW TEAM LIMA OHIO RF Enterprises 106 N Main St Arlington OH 45814 419 365-5360
Edition: Model Aviation - 1983/05
Page Numbers: 60, 61, 159, 162
Radio Control SOARING Dan Pruss WHEN heard Lee Renauds unexpected death wondered might express thoughts feelings ahout comrade seemed hest way post humous letter Fehmary 1983 Dear Lee Just thought would care know last two weeks have mighty tough lot us hope dont mind heing told through column sad news passed friends reactions like nothing ever would have expected First came dis belief came memories pleasura ble moments genius design provided us didnt know per sonally felt didlike ones first started sport nearly generation ago telling welcomed first efforts helping hand form Olympic 99 back 1969 dont know realized kit gave people successful start sport anything else time shortly after Grand Esprit made its debut us felt design epitomized beauty anything soared still feel way Next came Aquila World Championship As matter fact two designs helped USA take home double gold victories first F3B World Championships 1977 teams regret wasnt hand see expression received news gained new friends Aquila Grande also started another gen eration fliers off Olympic II Both old fans newer ones ap plauded Sagitta series realized 900 helped worldwide promotion inter national competition between designs came other models us other interestsbut models werent designed kitted less enthusiasm nor less attention us modelers us really felt knew Lee knew love sport modeler extended well beyond drafting table shop heart big sky hand went out times would ever have admitted just case might have gotten havent big contestsand small ones tooand tournaments team support programs teams themselves felt remembered generous hand heart Most 60 Model Aviation GAMMA / C- Peter Gerbers GAMMA Swiss machine presented 1982 1SF forum mentioned last months column Its F3B design featuring pivoting wings no ailerons inboard-mounted spoilers meant disturb airflow over tail improve low-speed handling PIRANHA T____ ___ __- ioj_ 1 L_ PIRANHA another unique Swiss design uses flaperons its Eppler-214-airfoil wing Though its F3B design has successfully converted electric power both versions have proven winners competition flaps used change airfoil camber tailor performance specific flight tasks showed sealed hinge made See little fillet between trailing edge right flap side fuselage Its strip MonoKote attached flap onlythe other end free wipe against fuselage sealing gap reducing drag us will have admit theres going large hollow left now gather trade shows Nats bull sessions around country Yet also know out summer day Sailplane sky youll look over shoulders point Out big oneover Good lift old friend Last month reference made two interest ing models Switzerland Both proven designs yet distinctively different GAMMA design Peter Gerber fea tures pivoting wing system lateral control instead ailerons spoilers idea course produces extremely clean wing design having hinge lines necessary ailer ons flaps basic wing motion incidence changes shown simplified sketch Sepa rate servos drive wing about main wing rod first model used 7mm-diam rod Though successful 12mm size recommended now being used Back August 1979 column featured other pivoting-wing system used aerobatic Slope ship photos drawing pre sented might shed light subject youre interested Back GAMMA Wingspan 2850mm airfoil Gerbers own chord root measures 250mm 160mm tip horizontal stabilizer root airfoil measures 100mm tip measures 75mm di mensions avilable time however kitted version plane including hardware available Switzerland under name JONA THON interesting note about spoilers continued page 159 Servo POWRTOWa new commercIally-available winch Ted Davey Frame components have heavy-duty features can cover launching requirements lightly-loaded 2-Meter ship 11-lb cross-country bird Ratchet device meets FAI F3B requirements INTRODUCING SECOND GENEPATION OF SUPER COVERITE WITh NEW HI-LO TEMPERA11JRE RANGE NEW HI-LO TEMPERATURE RANGE Weve expanded Super Coverites heat range now carl fine-tune amount shrink depending surface covered Heres Hi-Low temperature range works 25EF solid surfaces inclading sheeted foam temperature lower plastic film settings shrink absolute minimum adhesive will fully activate stick securely bubbles 30fF mid-range typical plastic film temp Super Coverite will shrink tightly over open surfaces especially fabric draped properly before heating 350F higher temp Super Coverite will reach maximum shrink over open structure Including largest quarter-scale monsters large winged gliders NEW POWERHOUSE ADHESIVE Coverites adhesive designed specifically attach fabric model airplane surfaces will stick balsa hardwoode other surfaces Once its down wont come loose resists fuel creep better other iron-on Bar wont tum brittle ages like some iron-ons know crack shatter first time weather changes Compare feel Super Coverite other covering after its attached model right out wrapper can tell its going outlast others Its paper thin because dont skimp adhesive just claim lighter give enough adhesive allow re-position fabric youre covering model. ensure covering will come loose after its flown few times EXPLODING THE MYTH ABOUT WEIGHT Todays Super Coverite lighter ever actually weighs ahout 14 ounce per square tout Surprisingly some thats equal so-called lightweight plastic films does seem heavier Coverite has weave valleys between fibres Since feel high spots valleys appears heavier plastic film Fact average sport plane takes 3 ounces Super Coverite WORRY-FREE SHRINK RATE Super Coverite properly applied shrinks tight drum --- can bounce quarter off belly anytime shell never warp model Imagine buying covering extraordinary shrink rates watching twist snap wing Coverite has always eliminated worry still does IT ALMOST GOES AROUND COMPOUND CURVES BY ITSELF Nothing soft pliable Super Coverite feele like shouid Like fabric like stiff paper Super Coverites flexible adhesive allows work labric around intricate comers tight spots well assumes shape structure before heat applied Other coverings require heat means polling hand ironing other much difficult technique master Thats beginners love Super Coverite Its goof-proof covering covers up mistakes Thin stiff paper-like coverings hide very little imperfection sticks out like sore thumb WHO CAN YOU ASK ABOUT IT Ask champions around globe Wolfgang Matt Henry Haffke Toni Clark Mitch Reeves Walt Moucha John Roth Dave Platt virtually everybody show team Ask manufacturers Toledo showmore half models see hanging P manufacturers booths Coverited mention actual winners Ask new wave glidermen have finally seen light switching plastic films Super Coverite Gordon Pearson Charlie Spears Sam Crawford Al Tuttle name few about guys entered Eastem Regionals Scale Masters ifi out 30 Coverited Next time go Smithsonian notice Coverite permanent modele display What covering Hindenburg modele used movie Yep Coverite won silver medal 76 Olympics Coverite USA racing boats year ever since HOW WILL YOU KNOW YOUVLE GE1TING NEW SUPER COVERITE As read ad its already dealers shelves package same Still wrapped polybagsoyoucansave leftovers Its cheaper shrinkwrap butwethinkthepolybagisworthitl So truck down favorite hobby store try out new Super Coverite Second Generation better ever May 1983 61 wing-pivoting system GAMMA bellcrank pivots fixed mount fuselage wing pivots its main support rod Eccentric action made possible slotted bellcrank yoke made pair wires acting pin root rib C0VERITE i L split 750 mAh pack radio gear will fit under seat foam rubber shock mount ing 1 also find Silver Seven two-stick trans mitter great choppers PS Im still flying Cricket No 2 new fast paddles short barmakes wild Well wear out Cricket might give Hughes modification try think Ill try keeping flying long Regarding Baron 20 mixer did drop ball since friend Bailey Harris didnt pursue plans Ill try again later column after flying Baron bit See next month Dave Chesney PO Box /66 12 Greensboro NC 27406 RC Pylon Racing/Hager Continued page 59 sport plane Sailplane no way will stand up vibrations tremendous stresses exerted used Pylon Racer Come guys lets sacrifice safety ounce weight Attention QM F-i Fliers Hey guys its rules-change time think ought take special notice results RC Contest Board Initial Vote reported March 1983 issue Model Aviation page 110 thats Competition Newsletter section seven rules change proposals dealing Pylon have passed initial vote three RC-84-4 RC-84-28 RC-84-29 opinion reflect desires Pylon Racing fraternity general know dont reflect thinking NMPRA special interest group Pylon Racing Proposal RC-84-4 authored Horrace Cain pertains alternate scoring system other two proposals authored R Wilson would require mufflers tuned pipes Quarter Midget Formula might keep eye rules change business Competition Newsletter see Cross-Proposals have submitted would impact Pylon event wont too long September 1983 exact until RC Contest Board makes its Final Vote pro posals pass theyll official rules starting 1984 Whether youre against Id advise write AMA district RC Contest Board member dis trict Vice-President too let him know feelings Pylon Racing rules proposals can make voice heard OGIANT SCALE KITS AND SEMI KITS CLEAR WHITE PINE STOCK SIZES 1/4 SCALE DUMMY RADIAL MOTORS CUSTOM KIT CUTTING SERVICE GIANT SCALE BLUE PRINTS BIG IS BETTER SEND $200 FOR OUR NEW CATALOG will some good district RC Contest Board member supposed vote accordance desires modelers district may personally feel about proposal NMPRA will also make its opinions known RC Contest Board believe rules af fecting specific class type competition like Pylon Racingshould reflect desires active competitors Im fond rules pro posals coming outside However AMA very democratic organization anyone entitled propose rules change RMcM Enough said month want sup port Racing should join NMPRAdo today Send dues $1 8/year Gary McPike 28925 Parkheath Dr Agoura CA 91301 See next month Bill Hager 706 Glen Haven Dr Conroe TX 77302 RC Soaring/Pruss Continued page 61 top view note closely inboard wing Theres good reason this par ticular model Normally other models spoilers outboard turbulence spoilers create doesnt turn disturb airflow over horizontal stab because force arrangement GAMMA found higher angles attack wingwash rendered stab ineffective slower airspeeds mov ing spoilers inboard actuated now actually turbulate airflow over stab stab found effective lower approach speeds other three-view PIRANHA Some details given last months column Note full-span flaps used mainly change airfoil shape different F3B tasks wing feature taken lightly nor answer new designs As mentioned last month designers thought winner paper PIRANHA winner became shark-by-the-tail airborne Small flap changers gave fliers feeling entirely new Sailplane whenever small flap changes made Over two years later fliers finally getting bird behave way supposed paper flaps 25% chord can positioned throughout range zero degrees minus six degrees thats six degrees above neutral Spoilers also used shown Condnuedon page 162 PEANUT SCALE MODELS 1PIETENPOL V PIPER CUB ANDRESON MUSTANGLACEY M-I0 Kite $595 MILES M-18 DRUINE COUGAR GiPSY MOTH GANAGOBIE Ribbr PoweredSPORT MODELS -BABY ACE$649 ONE NITE 28$695 ONE NilE 16$595 PRAIRIE BIRD 4STRINGLESS$495 KIT $595PECK ROG$195 RADIO BLIMPS CONTROLLED ond 13 FOOT LONGKITS OR READY TO FLY NOW IN THREE COLORS GRAY ORANGE ond YELLOW LOW PRICES ITEMS CTLOO Seo EamFe PHONE ttitt 442-4636 tOil 469-8615 BOX 2498 -MA ESA CA 92041 May1983 159 ENGINES S SSORIES Let us update old engines Sales repair services WE ALSO FEATURE OR CUSTOM CUT K COITIOLINI TEND PROFILE0COMBA 70RA T WIDE & NARROW WEDGE 75 -- 6 oz Capacities INIFLOW & TINDD Cutrn Dliii Fil Ingredients detailed brochure50C stamps/check oni CAROLINA-TAFFI N DER 8345 Delhi Road Charleston Hgts SC 29405 803553-7169 3TEARMAN PT- 17 Offered Two Sizes Quadra 60 Quarter Scale Quadra type Engines 96 Span 2 Scale 60 Engines 64 Span 1000 Sq Quarter Scale Plan Set $3250 2 Scale Plan $1850 red connecting rods made best materials available designed give long service snd eliminate rod breakage modern high-Perfor mance model engines Used leading aircraft boat car racers hobbyists Rods available popular model engines Look RPM new innovative products proven performance records Richardson Precision Machining Inc 5070 Golden Dr. San Jose CA 9512914081257-7059 162 Model Aviation Late items Ted Davey gent has producing DSC retrieval system has new winch market called POWRTOW photo shows its low-slung look Dave claims can launch ther lightest Two-Meter ship can also haul Il-lb cross-country bird air ease winch features solenoid-protected foot switch 1800 ft 15-lb-test line parachute hall bearing line swivel welded frame line drum low profile measures 235 x 12 x 9 weight less battery 40 lb further infor mation write Davey Systems Corp Wood Lane Malvem PA 19355 phone 215 644-0692 Two-Meter World Cup fourth running 2MWC will hosted Modesto Radio Control Club Five identical winches have fashioned event past will man-on-man event Entry forms will mailed out May l983 entries will close May 31 l983 event scheduled June 11-12 1983 further information contact Mr Ed Sb bod 9626 Jellico Ave Northridge CA 91325 phone 2l3 349-4758 Good Lift Doi Pruss 131 E Penninglon Ln Plainfleld IL 60544 Comanche/Perez-Kruse Continued page 67 ing shape both panels complete stage join dihedral spar liber ally epoxied place main landing gear legs bent 5/32-in wire I-bolted spar locations shown Tweak bit necessary make sure wheels track parallel fashion Sport Scale gear shown plans sake simplicity however Jeff chose machine front landing gear fork Precision Scale ship key stock attach setscrew two L-shaped brackets main gear done same fashion After main frame wing put together place nacelle assembly di rectly over leading edge main spar good glue bond can obtained tween pieces particularly leading edge Epoxy nacelles wing checking carefully adjusting necessary assure alignment sembly cures Notice Jeff didnt find necessary use engine thrust offset order keep plane out lines Drill necessary mounting holes temporarily mount engines tanks position Now bellcrank platform can ep oxied place Roberts upright bellcrank bolted-on Route braided cable Gold N Rod its plastic casing through wing rib spar structure and nacelle dual throttle controls 1/16-in music wire pushrod wrapped soldered braided cable attaches throttle arm bellcrank will necessary drill hole just inside original third line location order attach pushrod Since both engines operating same throttle cable carburetor control horns will have placed opposite other Otherwise high setting engine will low setting other Check assembly several times make sure its binding hanging up point particularly conscious possibility muffler interfering carburetor control horn pushrod up position After three lead-outs strung bellcrank sheet lifting surfaces wing 1/16 balsa nacelle areas will need planked some filling-in small balsa blocks will probably neces sary Cowls both engines can laid up fiberglass over carved form using balloon method molding stabilizer rudder both cut /4-in sheet sanded airfoil shape stabilizer presents special case because must mounted fuselage unit along its maple bearing block Re inforce weak spot rear stab shown inset plywood doublers mounting block can drilled out 5/32-in ID brass tube will serve bushing 5/32-in music wire control horn will need solder horn itself music wire slip wire through maple block bushing bend the top view however mounted conventional location wing flaps [6 [I7I7IDealer inquiries also mixed provide aileron action Both PIRANHA GAMMA have foam liii LFIi\j1J Incinvitedwings wood sheeting EconoKote covering High performance modeland workmanship flawless about engine connecting rodsthese birds information comes Get install dont take off Ken Willard RCM SERVO GARD SERVO GARD monitors airborne flight battery peek voltage well radio sigesi received transmitter receiver malfunction detected pan system SERVO GARD reduces throttle automatically ample time before battery failure safely land model SPECIFICATIONS Size Unit installed KPS-14 servo case foreasy installation Just plug throttle servo output Weight Approx 1 oz Sensitivity Accurate within 02 Volts Servo Pulse Unit shipped positive poise systems negative pulse available upon request SERVO GARD comes complete pre-wired pigtails servo connectors choice installed Ispecify connector type order SEE YOUR DEAL ER OR ORDER DIRECT DEALER INOUIRIES IN VI TED Price $3795 Postpaid ISpecify connector type positive negative pulse ordering ENDORSED BY THE SPIRIT OF AMERICA SHOW TEAM LIMA OHIO RF Enterprises 106 N Main St Arlington OH 45814 419 365-5360
Edition: Model Aviation - 1983/05
Page Numbers: 60, 61, 159, 162
Radio Control SOARING Dan Pruss WHEN heard Lee Renauds unexpected death wondered might express thoughts feelings ahout comrade seemed hest way post humous letter Fehmary 1983 Dear Lee Just thought would care know last two weeks have mighty tough lot us hope dont mind heing told through column sad news passed friends reactions like nothing ever would have expected First came dis belief came memories pleasura ble moments genius design provided us didnt know per sonally felt didlike ones first started sport nearly generation ago telling welcomed first efforts helping hand form Olympic 99 back 1969 dont know realized kit gave people successful start sport anything else time shortly after Grand Esprit made its debut us felt design epitomized beauty anything soared still feel way Next came Aquila World Championship As matter fact two designs helped USA take home double gold victories first F3B World Championships 1977 teams regret wasnt hand see expression received news gained new friends Aquila Grande also started another gen eration fliers off Olympic II Both old fans newer ones ap plauded Sagitta series realized 900 helped worldwide promotion inter national competition between designs came other models us other interestsbut models werent designed kitted less enthusiasm nor less attention us modelers us really felt knew Lee knew love sport modeler extended well beyond drafting table shop heart big sky hand went out times would ever have admitted just case might have gotten havent big contestsand small ones tooand tournaments team support programs teams themselves felt remembered generous hand heart Most 60 Model Aviation GAMMA / C- Peter Gerbers GAMMA Swiss machine presented 1982 1SF forum mentioned last months column Its F3B design featuring pivoting wings no ailerons inboard-mounted spoilers meant disturb airflow over tail improve low-speed handling PIRANHA T____ ___ __- ioj_ 1 L_ PIRANHA another unique Swiss design uses flaperons its Eppler-214-airfoil wing Though its F3B design has successfully converted electric power both versions have proven winners competition flaps used change airfoil camber tailor performance specific flight tasks showed sealed hinge made See little fillet between trailing edge right flap side fuselage Its strip MonoKote attached flap onlythe other end free wipe against fuselage sealing gap reducing drag us will have admit theres going large hollow left now gather trade shows Nats bull sessions around country Yet also know out summer day Sailplane sky youll look over shoulders point Out big oneover Good lift old friend Last month reference made two interest ing models Switzerland Both proven designs yet distinctively different GAMMA design Peter Gerber fea tures pivoting wing system lateral control instead ailerons spoilers idea course produces extremely clean wing design having hinge lines necessary ailer ons flaps basic wing motion incidence changes shown simplified sketch Sepa rate servos drive wing about main wing rod first model used 7mm-diam rod Though successful 12mm size recommended now being used Back August 1979 column featured other pivoting-wing system used aerobatic Slope ship photos drawing pre sented might shed light subject youre interested Back GAMMA Wingspan 2850mm airfoil Gerbers own chord root measures 250mm 160mm tip horizontal stabilizer root airfoil measures 100mm tip measures 75mm di mensions avilable time however kitted version plane including hardware available Switzerland under name JONA THON interesting note about spoilers continued page 159 Servo POWRTOWa new commercIally-available winch Ted Davey Frame components have heavy-duty features can cover launching requirements lightly-loaded 2-Meter ship 11-lb cross-country bird Ratchet device meets FAI F3B requirements INTRODUCING SECOND GENEPATION OF SUPER COVERITE WITh NEW HI-LO TEMPERA11JRE RANGE NEW HI-LO TEMPERATURE RANGE Weve expanded Super Coverites heat range now carl fine-tune amount shrink depending surface covered Heres Hi-Low temperature range works 25EF solid surfaces inclading sheeted foam temperature lower plastic film settings shrink absolute minimum adhesive will fully activate stick securely bubbles 30fF mid-range typical plastic film temp Super Coverite will shrink tightly over open surfaces especially fabric draped properly before heating 350F higher temp Super Coverite will reach maximum shrink over open structure Including largest quarter-scale monsters large winged gliders NEW POWERHOUSE ADHESIVE Coverites adhesive designed specifically attach fabric model airplane surfaces will stick balsa hardwoode other surfaces Once its down wont come loose resists fuel creep better other iron-on Bar wont tum brittle ages like some iron-ons know crack shatter first time weather changes Compare feel Super Coverite other covering after its attached model right out wrapper can tell its going outlast others Its paper thin because dont skimp adhesive just claim lighter give enough adhesive allow re-position fabric youre covering model. ensure covering will come loose after its flown few times EXPLODING THE MYTH ABOUT WEIGHT Todays Super Coverite lighter ever actually weighs ahout 14 ounce per square tout Surprisingly some thats equal so-called lightweight plastic films does seem heavier Coverite has weave valleys between fibres Since feel high spots valleys appears heavier plastic film Fact average sport plane takes 3 ounces Super Coverite WORRY-FREE SHRINK RATE Super Coverite properly applied shrinks tight drum --- can bounce quarter off belly anytime shell never warp model Imagine buying covering extraordinary shrink rates watching twist snap wing Coverite has always eliminated worry still does IT ALMOST GOES AROUND COMPOUND CURVES BY ITSELF Nothing soft pliable Super Coverite feele like shouid Like fabric like stiff paper Super Coverites flexible adhesive allows work labric around intricate comers tight spots well assumes shape structure before heat applied Other coverings require heat means polling hand ironing other much difficult technique master Thats beginners love Super Coverite Its goof-proof covering covers up mistakes Thin stiff paper-like coverings hide very little imperfection sticks out like sore thumb WHO CAN YOU ASK ABOUT IT Ask champions around globe Wolfgang Matt Henry Haffke Toni Clark Mitch Reeves Walt Moucha John Roth Dave Platt virtually everybody show team Ask manufacturers Toledo showmore half models see hanging P manufacturers booths Coverited mention actual winners Ask new wave glidermen have finally seen light switching plastic films Super Coverite Gordon Pearson Charlie Spears Sam Crawford Al Tuttle name few about guys entered Eastem Regionals Scale Masters ifi out 30 Coverited Next time go Smithsonian notice Coverite permanent modele display What covering Hindenburg modele used movie Yep Coverite won silver medal 76 Olympics Coverite USA racing boats year ever since HOW WILL YOU KNOW YOUVLE GE1TING NEW SUPER COVERITE As read ad its already dealers shelves package same Still wrapped polybagsoyoucansave leftovers Its cheaper shrinkwrap butwethinkthepolybagisworthitl So truck down favorite hobby store try out new Super Coverite Second Generation better ever May 1983 61 wing-pivoting system GAMMA bellcrank pivots fixed mount fuselage wing pivots its main support rod Eccentric action made possible slotted bellcrank yoke made pair wires acting pin root rib C0VERITE i L split 750 mAh pack radio gear will fit under seat foam rubber shock mount ing 1 also find Silver Seven two-stick trans mitter great choppers PS Im still flying Cricket No 2 new fast paddles short barmakes wild Well wear out Cricket might give Hughes modification try think Ill try keeping flying long Regarding Baron 20 mixer did drop ball since friend Bailey Harris didnt pursue plans Ill try again later column after flying Baron bit See next month Dave Chesney PO Box /66 12 Greensboro NC 27406 RC Pylon Racing/Hager Continued page 59 sport plane Sailplane no way will stand up vibrations tremendous stresses exerted used Pylon Racer Come guys lets sacrifice safety ounce weight Attention QM F-i Fliers Hey guys its rules-change time think ought take special notice results RC Contest Board Initial Vote reported March 1983 issue Model Aviation page 110 thats Competition Newsletter section seven rules change proposals dealing Pylon have passed initial vote three RC-84-4 RC-84-28 RC-84-29 opinion reflect desires Pylon Racing fraternity general know dont reflect thinking NMPRA special interest group Pylon Racing Proposal RC-84-4 authored Horrace Cain pertains alternate scoring system other two proposals authored R Wilson would require mufflers tuned pipes Quarter Midget Formula might keep eye rules change business Competition Newsletter see Cross-Proposals have submitted would impact Pylon event wont too long September 1983 exact until RC Contest Board makes its Final Vote pro posals pass theyll official rules starting 1984 Whether youre against Id advise write AMA district RC Contest Board member dis trict Vice-President too let him know feelings Pylon Racing rules proposals can make voice heard OGIANT SCALE KITS AND SEMI KITS CLEAR WHITE PINE STOCK SIZES 1/4 SCALE DUMMY RADIAL MOTORS CUSTOM KIT CUTTING SERVICE GIANT SCALE BLUE PRINTS BIG IS BETTER SEND $200 FOR OUR NEW CATALOG will some good district RC Contest Board member supposed vote accordance desires modelers district may personally feel about proposal NMPRA will also make its opinions known RC Contest Board believe rules af fecting specific class type competition like Pylon Racingshould reflect desires active competitors Im fond rules pro posals coming outside However AMA very democratic organization anyone entitled propose rules change RMcM Enough said month want sup port Racing should join NMPRAdo today Send dues $1 8/year Gary McPike 28925 Parkheath Dr Agoura CA 91301 See next month Bill Hager 706 Glen Haven Dr Conroe TX 77302 RC Soaring/Pruss Continued page 61 top view note closely inboard wing Theres good reason this par ticular model Normally other models spoilers outboard turbulence spoilers create doesnt turn disturb airflow over horizontal stab because force arrangement GAMMA found higher angles attack wingwash rendered stab ineffective slower airspeeds mov ing spoilers inboard actuated now actually turbulate airflow over stab stab found effective lower approach speeds other three-view PIRANHA Some details given last months column Note full-span flaps used mainly change airfoil shape different F3B tasks wing feature taken lightly nor answer new designs As mentioned last month designers thought winner paper PIRANHA winner became shark-by-the-tail airborne Small flap changers gave fliers feeling entirely new Sailplane whenever small flap changes made Over two years later fliers finally getting bird behave way supposed paper flaps 25% chord can positioned throughout range zero degrees minus six degrees thats six degrees above neutral Spoilers also used shown Condnuedon page 162 PEANUT SCALE MODELS 1PIETENPOL V PIPER CUB ANDRESON MUSTANGLACEY M-I0 Kite $595 MILES M-18 DRUINE COUGAR GiPSY MOTH GANAGOBIE Ribbr PoweredSPORT MODELS -BABY ACE$649 ONE NITE 28$695 ONE NilE 16$595 PRAIRIE BIRD 4STRINGLESS$495 KIT $595PECK ROG$195 RADIO BLIMPS CONTROLLED ond 13 FOOT LONGKITS OR READY TO FLY NOW IN THREE COLORS GRAY ORANGE ond YELLOW LOW PRICES ITEMS CTLOO Seo EamFe PHONE ttitt 442-4636 tOil 469-8615 BOX 2498 -MA ESA CA 92041 May1983 159 ENGINES S SSORIES Let us update old engines Sales repair services WE ALSO FEATURE OR CUSTOM CUT K COITIOLINI TEND PROFILE0COMBA 70RA T WIDE & NARROW WEDGE 75 -- 6 oz Capacities INIFLOW & TINDD Cutrn Dliii Fil Ingredients detailed brochure50C stamps/check oni CAROLINA-TAFFI N DER 8345 Delhi Road Charleston Hgts SC 29405 803553-7169 3TEARMAN PT- 17 Offered Two Sizes Quadra 60 Quarter Scale Quadra type Engines 96 Span 2 Scale 60 Engines 64 Span 1000 Sq Quarter Scale Plan Set $3250 2 Scale Plan $1850 red connecting rods made best materials available designed give long service snd eliminate rod breakage modern high-Perfor mance model engines Used leading aircraft boat car racers hobbyists Rods available popular model engines Look RPM new innovative products proven performance records Richardson Precision Machining Inc 5070 Golden Dr. San Jose CA 9512914081257-7059 162 Model Aviation Late items Ted Davey gent has producing DSC retrieval system has new winch market called POWRTOW photo shows its low-slung look Dave claims can launch ther lightest Two-Meter ship can also haul Il-lb cross-country bird air ease winch features solenoid-protected foot switch 1800 ft 15-lb-test line parachute hall bearing line swivel welded frame line drum low profile measures 235 x 12 x 9 weight less battery 40 lb further infor mation write Davey Systems Corp Wood Lane Malvem PA 19355 phone 215 644-0692 Two-Meter World Cup fourth running 2MWC will hosted Modesto Radio Control Club Five identical winches have fashioned event past will man-on-man event Entry forms will mailed out May l983 entries will close May 31 l983 event scheduled June 11-12 1983 further information contact Mr Ed Sb bod 9626 Jellico Ave Northridge CA 91325 phone 2l3 349-4758 Good Lift Doi Pruss 131 E Penninglon Ln Plainfleld IL 60544 Comanche/Perez-Kruse Continued page 67 ing shape both panels complete stage join dihedral spar liber ally epoxied place main landing gear legs bent 5/32-in wire I-bolted spar locations shown Tweak bit necessary make sure wheels track parallel fashion Sport Scale gear shown plans sake simplicity however Jeff chose machine front landing gear fork Precision Scale ship key stock attach setscrew two L-shaped brackets main gear done same fashion After main frame wing put together place nacelle assembly di rectly over leading edge main spar good glue bond can obtained tween pieces particularly leading edge Epoxy nacelles wing checking carefully adjusting necessary assure alignment sembly cures Notice Jeff didnt find necessary use engine thrust offset order keep plane out lines Drill necessary mounting holes temporarily mount engines tanks position Now bellcrank platform can ep oxied place Roberts upright bellcrank bolted-on Route braided cable Gold N Rod its plastic casing through wing rib spar structure and nacelle dual throttle controls 1/16-in music wire pushrod wrapped soldered braided cable attaches throttle arm bellcrank will necessary drill hole just inside original third line location order attach pushrod Since both engines operating same throttle cable carburetor control horns will have placed opposite other Otherwise high setting engine will low setting other Check assembly several times make sure its binding hanging up point particularly conscious possibility muffler interfering carburetor control horn pushrod up position After three lead-outs strung bellcrank sheet lifting surfaces wing 1/16 balsa nacelle areas will need planked some filling-in small balsa blocks will probably neces sary Cowls both engines can laid up fiberglass over carved form using balloon method molding stabilizer rudder both cut /4-in sheet sanded airfoil shape stabilizer presents special case because must mounted fuselage unit along its maple bearing block Re inforce weak spot rear stab shown inset plywood doublers mounting block can drilled out 5/32-in ID brass tube will serve bushing 5/32-in music wire control horn will need solder horn itself music wire slip wire through maple block bushing bend the top view however mounted conventional location wing flaps [6 [I7I7IDealer inquiries also mixed provide aileron action Both PIRANHA GAMMA have foam liii LFIi\j1J Incinvitedwings wood sheeting EconoKote covering High performance modeland workmanship flawless about engine connecting rodsthese birds information comes Get install dont take off Ken Willard RCM SERVO GARD SERVO GARD monitors airborne flight battery peek voltage well radio sigesi received transmitter receiver malfunction detected pan system SERVO GARD reduces throttle automatically ample time before battery failure safely land model SPECIFICATIONS Size Unit installed KPS-14 servo case foreasy installation Just plug throttle servo output Weight Approx 1 oz Sensitivity Accurate within 02 Volts Servo Pulse Unit shipped positive poise systems negative pulse available upon request SERVO GARD comes complete pre-wired pigtails servo connectors choice installed Ispecify connector type order SEE YOUR DEAL ER OR ORDER DIRECT DEALER INOUIRIES IN VI TED Price $3795 Postpaid ISpecify connector type positive negative pulse ordering ENDORSED BY THE SPIRIT OF AMERICA SHOW TEAM LIMA OHIO RF Enterprises 106 N Main St Arlington OH 45814 419 365-5360