Radio Control Old- Timers DrDB Mathews CORRECTION January 1984 col umn gave source plans im mortal deBolt Live Wire kits Unfortu nately gave wrong address several modelers have letters returned correct source Fran Ptaszkiewicz 23 Marlee Drive Tonawan da NY 14150 Cleveland Cloudster Mk Mk II popular kits old Cleve land line Cloudster Graceful lines combined scalelike ap pearance made Cloudster tractive kit buyers Excellent aerodynamics also added appeal since always seemed fly well touch Joe Elgin apparent al though credited plans advertisements wing em pennage planforms very much Play boy airfoil also very similar 50-in-span design intended Class B Free Flight plans showing O&R 23 mounted inverted point reader likely com paring text photo Sal Taibi three-view wondering what going What have two wildly different Cloudsters 1940 ver sion have just described rare-as hens-teeth 1938 version John Pond Plans Service has 1940 version plan No 5D2 has flown many modelers both Free Flight RC-Assist really delightful Y2A Texaco subject very com petitive B Cabin Free Flight real doll sport 10 cu engine kit drawings list 1940 version kit No GP5004-C much rar er 1938 version No 5004 C can speculate 5 DIHEDRAL AT ThIS POINT KH H OVAL STRUT FROM FUSE TO STAB CENTER SPAR RUBBER BAND SHOCK ABSORBERS CLEVELAND CLOUDSTER \ /\ WING SPAN 50 IN WING AREA 325 50 IN APPROXI LENGTH 31 1/2 IN/ POWER SMALL GA MAX 5/B IN BORE 01234 56 SCALE I----II I ----IWING ATTACHMENT WIRE /I A- - I___ INSTALL MOTOR WITH 1 TO 2 NEGATIVE ANGLE 3-view 1938 Cleveland Cioudater Mk traced right kit plans B used However have told some alternate stabilizer outlines can documented some kits time have able authenticate rumor Joe Wagner lived Southern California years before returning Pennsylvania tells us several others bought up old kits plans various hobby shops modelers left military service 1942 collection developed collection 52 Model Aviation Cleveland Cioudater models left isa Mk II version 1940 built Bob Oslan Ross Thomas launching /2A Texaco event right Joe Wagners Mk version 1938 sidewinder-mounted Cox Black Widow engine red silk covering 2-channel RC Sal Taibi holds FF version 1940 Cleveland Cloudeter Mk Ii Thats Arden 19 Ignition engine nose Note has built wing polyhedral has wing-mounted drag tab get model turn left glide Photo byjim Adams plans never dreaming SAM Socie ty Antique Modelers movement would ever happen became apparent others would like build designs Joe friends donated plan col lections John Pond order make available rest us good match since John time Naval draftsman office seve ral other draftsmen refurbished drawings spare time began make copies Navys equipment Government put stop plans added Russ Barrera Museum became source few years As Russ became seriously ill John Pond retired Navy went Old-Timer plans businessCondnued page 158 Carlo Cox owerd Back buliding normai-looklng stuff Polaroid copies photos November 1960 Amerlcan Modeler 1 7-yearold Senior contestant 60 Nets first-place-winning CL Scale FokkerlFalrchlid F-27 L launching fIrst-place-wInning PAA-Load PP model R l Burt Rutanhe full-scale canard fame Vari-Viggen Varl-EZ Quickie Beechcraft Starship etc II RC AerobatlcslVan Putt Continued page 155 separate glue joints Use heat gun blow hot air joint use chisel knife scrape heated epoxy away wood careful use heat gun scraping tools epoxy joint can opened virtually epoxy removed so-called five minute epoxies little tougher break down because tend form gummy mess heated Dont waste time heating polyester resinsit doesnt work As chemicals avoid breathing fumes epoxy work open area lots ventilation lot people coat inside tank compartment airplanes epoxy protect wood fuel leak age Usually epoxy too thick spread well often end up lumpy mess two ways around problem can thin epoxy alcohol lacquer thinner brush thinned epoxy surface can warm glue will reduce its vis cosity allow brushed Dont use good brushes Instead buy acid brushes hardware store throw away after use Good ideas way heated epoxy cures faster dont waste time Ron Van Putte Ill Sleepy Oaks Rd Ft Walton Beach FL 32548 RC Old-TimerslMathews Continued page 53 set kit plans Joe did donate however 1938 Cloudster kit Recently Joe has built RC version design displayed La Junta last summer writer sali vated over poor thing begged Joe set blue lines has obliged share three-view form Cloudster Mk 11938 version bears virtually no resemblance its younger sister airfoil flat-bottomed stab flat fuselage much wider just differences dont show clearly photos older version also has multi-piece undercarriage stab inset fuselage glaringly apparent does have leading edge notch much trademark Mk II version net result must careful identifying Cloudsters reason have arbitrarily tacked Mk Mk II designa tions much someone else has done two Comet Clipper versions Some readers likely turned Mk going want plans Wed suspect annual member ship Joe Wagners Fun Flyers few dollars printing costs would get set Contact Joe Wagner Fun Flyers PO Box 94 Volant PA 16156 information membership new organization non-competition modelers worth having plans youre aware Fun Flyers concept should Products Old Timer first started writing column January 1977 sources kits supplies etc few far between ensuing years virtual explosion interest OldTimers has led many manufac turers marketing products aimed needs Now some major com panies introducing kits etc us see excellent measurement what Old-Timer idea has offer Obviously having fun would growing fast Since products manufacturers now available have unable keep up reporting Suffice say check ads various magazines SAM Speaks Perhaps astonishing develop ment has engines Suddenly can buy reproductions Forsters wicks Megows Super Cyclones Simplex etc Would believe repro famous Deezil available Australia responding ads Model via tion tell saw Another chapter Started Models previous columns Ive tried highlight modeling background several famous people commercial world Dr Paul MacCready Roy Mar quardt Roger Hammer others have mentioned Now lets add Burt Rutan dont know Burt youve never heard VariViggen Van EZ LongEZ Defender outof-the-rut canard-configuration designs Rutans genius mention new Beech Aircraft twin-pusher turbo prop canard Burt recognized around world preeminent expert canard aero dynamics has repeatedly demonstrat ed much-improved speed stability configuration much several aircraft concerns about release similar designs former National Champion very active modeler both Free Flight CL late 1950s like think some what learned shows now As example. remember Hobby Poxy EZ Does technique foam mold covered Dynel fabric epoxy glue Consider Burt Rutan also fellow pioneered composite construction homebuilts hottest thing aircraft indus try today composite structure airframe components Composites mixtures high-strength plastics such epoxy covering mixed layers fiberglass carbon fibers Im sure other people have instrumental de HObbY Horn Win9 Span--789 Wng Area--tOO Sq z JVW SENSOAR glider HOBBY HORN Esclusisel HOBBY HORN Kit SENSOAR Glider kit high qoality kit Machine cut sanded parts Select quality balsa spruce Oetailed plans written instructions THERMAL SLOPE 55 ELECTRIC POWER VALUE PRICED 51600 RflS tull Partial Ksto P & W Semi-Kits Combined full slripwood plan Now md Wire Window etc Mat fNote may purchased just os semikits planswrite call prices 1930 Buecaneer-84-8St 1938 Clipper MR l-72-$39 1837 Oellalre Sptser198$61 1940 Ranger46 $27 1939 Mercury72S56 1935 Miss Amerlca84-959 1941 Playboy Jr54929 1941 Ptayboy Sr80$46 1938 Power Hoaae84--S43 1949 Sailplane-YB-- $74 1940 So LongSO$28 1938 Trenton Terror-72S32 1939 Zlpper54949 1939 Korda Wakefleld44 $17 MIDWAY MODEL GO 3emt-klts CsmbneO w/olrtp 1936 FlyIng Quaker84-949 1937 Quaker Flash-OT539 1937 Long Cahin78-042 1937 Air Chief-01940 BYRUCKS 1940 79 Span 831 Sq aa SEMIKIT Plan lncl-S3300 NUW mI Sr Cowbo Pull Kit $9309 3CALPLANS fld ORAWINOS SIS HEINKEL HEbOO 62 60s $1000 onsrrdANDhsu 64 Page C Up $800 odd $110 $200 PP/Iso Clsos $801 $2000 odd $225 copy will sent $2001 $4500 odd $300 free--when requested$4501 $7009 odd $350 order over $7000 add $400 BBY HORN CA Addressees odd 6% tox 55hobby specialties5 Send MO Visa/MC#Exp15173 Moran Street [Al Check allow up 30 Box 2212 days cheek clearonceWestminster Ca 92683 CODExsct Charges 8938311 Mdl Cssh Onlv[AII UPS 4 8951203 158 Model Aviation Model Magic Filler Quick setting Light weigbt Nnn Fillets Gap filling Ding repair U See dealer first write call $595 Retail 8 fI oz Model Magic Products Model Magic Products PO Box 7784 St Paul Minn 55119 715 425-1397 Adhesion Balsa Foam Fiberglass Strength Flexing Spreading Fuel Resistance Sanding Hardness Finishing Shelf Ufe Tint Acceptance Water Resistance Comparison Chart Model Magic Exceent Product X Very Poor Good As medium balsa As Hard Balsa Any finish/covering till used up Excellent Soft balsa Soft balsa Spoils 57 mo Very Poor Test methods arid data avalable request care enough fill very best sist Model Magic Filer Circus Magic Filler veloping composite structures Burt Rutan has certainly leaders Proud Youd darn well better believe should too Dee B Mathews 506 South Walnut Greensburg KS 67054 RC ElectricslKopski Continued page 55 used battery Both six-cell 12 Ah Sanyo packs chance just happened run testing time 300 flights previously recorded Un fortunately have break-in data used pack new cant certain flying has af fected battery So purposes experiment made assumption used battery new like new included test Such assumption allows determine much used pack has degraded usesort test consisted six charge/dis charge cycles pack pack carefully charged using regulated lab supply specific time periods shown table charge current used constant 40 amps charge time varied purposes test times varied rela tively short pushing-it long Following charges described pack carefully discharged using electronically-regulated current sink like reverse supply effect packs loaded electronic load such constant discharge current 100 amps flowed batteries under test no matter what terminal voltage discharges carefully timed beginning cutoff purposes test chose cutoff equivalent volt per cell six volts total six-cell packs battery pack voltage dropped value during discharge watch stopped No attempt made deter six cells accounted depressed terminal voltage As turns out much-used pack probably has some noticeable cell imbalance appears some cells did drop deeper rapidly others same pack preceding description clear can tell what percentage charge battery returns Also quite same can tell what Iie] ] d $100 Cash Check Stamps 32 Page Tabloid size illustrated DISCOUNT Catalog Sent 1st Class Mail COMET COX FLYLINE FOX GOLDBERG GUILLOWS JETCO K&3- PACTRA PECK POLYMER PERFECT SIG- STERLING SULLIVAN TOP FLITE & OTHERS PENN VALLEY HONEY CENTER 837 1 Main 3t Lanshli 1 19446 battery capacity battery known fully-charged total ampere-hours important another par ameter also importantthe battery-ter minal voltage battery has high ternal losses terminal voltage under load will depressed flight made way will good flight battery maintains high voltage out put motor Lets look table analyze re sults tests Looking new bat tery first see familiar phenomenon first flights good means its common experience first sometimes second flights day good followthe battery seems go through warm-up though dont think has anything temper ature Anyway first three fiveminute charges apparent charge return battery gradually improves reach level very close charge put other words get charge back performance continues creasingly longer charges up limits testeda sixth cycle input equal SeDtember 1984 159 1 AERONCAC3 GIANT SCALE 4CYcLE6O-90 SEND $200 FOR COMPLETE CATALOG OF FINE KITS IKON NW5T PO Box 566 Auburn WA 98071 206 941-8248 New Model Magic Products Model Magic Epoxy Plus 2 Part 8 Mm Use anywhere two part epoxy used Light weight Sandable Carveable Excellent Gap Filling Non Sagging Superior Strength Sands and carves like basswood! 6 fI oz $895 See dealer first write cal Madel Magic Products Inc ,.P0 Box 19784 St Paul MN 55119 715425-1397
Edition: Model Aviation - 1984/09
Page Numbers: 52, 53, 158, 159
Radio Control Old- Timers DrDB Mathews CORRECTION January 1984 col umn gave source plans im mortal deBolt Live Wire kits Unfortu nately gave wrong address several modelers have letters returned correct source Fran Ptaszkiewicz 23 Marlee Drive Tonawan da NY 14150 Cleveland Cloudster Mk Mk II popular kits old Cleve land line Cloudster Graceful lines combined scalelike ap pearance made Cloudster tractive kit buyers Excellent aerodynamics also added appeal since always seemed fly well touch Joe Elgin apparent al though credited plans advertisements wing em pennage planforms very much Play boy airfoil also very similar 50-in-span design intended Class B Free Flight plans showing O&R 23 mounted inverted point reader likely com paring text photo Sal Taibi three-view wondering what going What have two wildly different Cloudsters 1940 ver sion have just described rare-as hens-teeth 1938 version John Pond Plans Service has 1940 version plan No 5D2 has flown many modelers both Free Flight RC-Assist really delightful Y2A Texaco subject very com petitive B Cabin Free Flight real doll sport 10 cu engine kit drawings list 1940 version kit No GP5004-C much rar er 1938 version No 5004 C can speculate 5 DIHEDRAL AT ThIS POINT KH H OVAL STRUT FROM FUSE TO STAB CENTER SPAR RUBBER BAND SHOCK ABSORBERS CLEVELAND CLOUDSTER \ /\ WING SPAN 50 IN WING AREA 325 50 IN APPROXI LENGTH 31 1/2 IN/ POWER SMALL GA MAX 5/B IN BORE 01234 56 SCALE I----II I ----IWING ATTACHMENT WIRE /I A- - I___ INSTALL MOTOR WITH 1 TO 2 NEGATIVE ANGLE 3-view 1938 Cleveland Cioudater Mk traced right kit plans B used However have told some alternate stabilizer outlines can documented some kits time have able authenticate rumor Joe Wagner lived Southern California years before returning Pennsylvania tells us several others bought up old kits plans various hobby shops modelers left military service 1942 collection developed collection 52 Model Aviation Cleveland Cioudater models left isa Mk II version 1940 built Bob Oslan Ross Thomas launching /2A Texaco event right Joe Wagners Mk version 1938 sidewinder-mounted Cox Black Widow engine red silk covering 2-channel RC Sal Taibi holds FF version 1940 Cleveland Cloudeter Mk Ii Thats Arden 19 Ignition engine nose Note has built wing polyhedral has wing-mounted drag tab get model turn left glide Photo byjim Adams plans never dreaming SAM Socie ty Antique Modelers movement would ever happen became apparent others would like build designs Joe friends donated plan col lections John Pond order make available rest us good match since John time Naval draftsman office seve ral other draftsmen refurbished drawings spare time began make copies Navys equipment Government put stop plans added Russ Barrera Museum became source few years As Russ became seriously ill John Pond retired Navy went Old-Timer plans businessCondnued page 158 Carlo Cox owerd Back buliding normai-looklng stuff Polaroid copies photos November 1960 Amerlcan Modeler 1 7-yearold Senior contestant 60 Nets first-place-winning CL Scale FokkerlFalrchlid F-27 L launching fIrst-place-wInning PAA-Load PP model R l Burt Rutanhe full-scale canard fame Vari-Viggen Varl-EZ Quickie Beechcraft Starship etc II RC AerobatlcslVan Putt Continued page 155 separate glue joints Use heat gun blow hot air joint use chisel knife scrape heated epoxy away wood careful use heat gun scraping tools epoxy joint can opened virtually epoxy removed so-called five minute epoxies little tougher break down because tend form gummy mess heated Dont waste time heating polyester resinsit doesnt work As chemicals avoid breathing fumes epoxy work open area lots ventilation lot people coat inside tank compartment airplanes epoxy protect wood fuel leak age Usually epoxy too thick spread well often end up lumpy mess two ways around problem can thin epoxy alcohol lacquer thinner brush thinned epoxy surface can warm glue will reduce its vis cosity allow brushed Dont use good brushes Instead buy acid brushes hardware store throw away after use Good ideas way heated epoxy cures faster dont waste time Ron Van Putte Ill Sleepy Oaks Rd Ft Walton Beach FL 32548 RC Old-TimerslMathews Continued page 53 set kit plans Joe did donate however 1938 Cloudster kit Recently Joe has built RC version design displayed La Junta last summer writer sali vated over poor thing begged Joe set blue lines has obliged share three-view form Cloudster Mk 11938 version bears virtually no resemblance its younger sister airfoil flat-bottomed stab flat fuselage much wider just differences dont show clearly photos older version also has multi-piece undercarriage stab inset fuselage glaringly apparent does have leading edge notch much trademark Mk II version net result must careful identifying Cloudsters reason have arbitrarily tacked Mk Mk II designa tions much someone else has done two Comet Clipper versions Some readers likely turned Mk going want plans Wed suspect annual member ship Joe Wagners Fun Flyers few dollars printing costs would get set Contact Joe Wagner Fun Flyers PO Box 94 Volant PA 16156 information membership new organization non-competition modelers worth having plans youre aware Fun Flyers concept should Products Old Timer first started writing column January 1977 sources kits supplies etc few far between ensuing years virtual explosion interest OldTimers has led many manufac turers marketing products aimed needs Now some major com panies introducing kits etc us see excellent measurement what Old-Timer idea has offer Obviously having fun would growing fast Since products manufacturers now available have unable keep up reporting Suffice say check ads various magazines SAM Speaks Perhaps astonishing develop ment has engines Suddenly can buy reproductions Forsters wicks Megows Super Cyclones Simplex etc Would believe repro famous Deezil available Australia responding ads Model via tion tell saw Another chapter Started Models previous columns Ive tried highlight modeling background several famous people commercial world Dr Paul MacCready Roy Mar quardt Roger Hammer others have mentioned Now lets add Burt Rutan dont know Burt youve never heard VariViggen Van EZ LongEZ Defender outof-the-rut canard-configuration designs Rutans genius mention new Beech Aircraft twin-pusher turbo prop canard Burt recognized around world preeminent expert canard aero dynamics has repeatedly demonstrat ed much-improved speed stability configuration much several aircraft concerns about release similar designs former National Champion very active modeler both Free Flight CL late 1950s like think some what learned shows now As example. remember Hobby Poxy EZ Does technique foam mold covered Dynel fabric epoxy glue Consider Burt Rutan also fellow pioneered composite construction homebuilts hottest thing aircraft indus try today composite structure airframe components Composites mixtures high-strength plastics such epoxy covering mixed layers fiberglass carbon fibers Im sure other people have instrumental de HObbY Horn Win9 Span--789 Wng Area--tOO Sq z JVW SENSOAR glider HOBBY HORN Esclusisel HOBBY HORN Kit SENSOAR Glider kit high qoality kit Machine cut sanded parts Select quality balsa spruce Oetailed plans written instructions THERMAL SLOPE 55 ELECTRIC POWER VALUE PRICED 51600 RflS tull Partial Ksto P & W Semi-Kits Combined full slripwood plan Now md Wire Window etc Mat fNote may purchased just os semikits planswrite call prices 1930 Buecaneer-84-8St 1938 Clipper MR l-72-$39 1837 Oellalre Sptser198$61 1940 Ranger46 $27 1939 Mercury72S56 1935 Miss Amerlca84-959 1941 Playboy Jr54929 1941 Ptayboy Sr80$46 1938 Power Hoaae84--S43 1949 Sailplane-YB-- $74 1940 So LongSO$28 1938 Trenton Terror-72S32 1939 Zlpper54949 1939 Korda Wakefleld44 $17 MIDWAY MODEL GO 3emt-klts CsmbneO w/olrtp 1936 FlyIng Quaker84-949 1937 Quaker Flash-OT539 1937 Long Cahin78-042 1937 Air Chief-01940 BYRUCKS 1940 79 Span 831 Sq aa SEMIKIT Plan lncl-S3300 NUW mI Sr Cowbo Pull Kit $9309 3CALPLANS fld ORAWINOS SIS HEINKEL HEbOO 62 60s $1000 onsrrdANDhsu 64 Page C Up $800 odd $110 $200 PP/Iso Clsos $801 $2000 odd $225 copy will sent $2001 $4500 odd $300 free--when requested$4501 $7009 odd $350 order over $7000 add $400 BBY HORN CA Addressees odd 6% tox 55hobby specialties5 Send MO Visa/MC#Exp15173 Moran Street [Al Check allow up 30 Box 2212 days cheek clearonceWestminster Ca 92683 CODExsct Charges 8938311 Mdl Cssh Onlv[AII UPS 4 8951203 158 Model Aviation Model Magic Filler Quick setting Light weigbt Nnn Fillets Gap filling Ding repair U See dealer first write call $595 Retail 8 fI oz Model Magic Products Model Magic Products PO Box 7784 St Paul Minn 55119 715 425-1397 Adhesion Balsa Foam Fiberglass Strength Flexing Spreading Fuel Resistance Sanding Hardness Finishing Shelf Ufe Tint Acceptance Water Resistance Comparison Chart Model Magic Exceent Product X Very Poor Good As medium balsa As Hard Balsa Any finish/covering till used up Excellent Soft balsa Soft balsa Spoils 57 mo Very Poor Test methods arid data avalable request care enough fill very best sist Model Magic Filer Circus Magic Filler veloping composite structures Burt Rutan has certainly leaders Proud Youd darn well better believe should too Dee B Mathews 506 South Walnut Greensburg KS 67054 RC ElectricslKopski Continued page 55 used battery Both six-cell 12 Ah Sanyo packs chance just happened run testing time 300 flights previously recorded Un fortunately have break-in data used pack new cant certain flying has af fected battery So purposes experiment made assumption used battery new like new included test Such assumption allows determine much used pack has degraded usesort test consisted six charge/dis charge cycles pack pack carefully charged using regulated lab supply specific time periods shown table charge current used constant 40 amps charge time varied purposes test times varied rela tively short pushing-it long Following charges described pack carefully discharged using electronically-regulated current sink like reverse supply effect packs loaded electronic load such constant discharge current 100 amps flowed batteries under test no matter what terminal voltage discharges carefully timed beginning cutoff purposes test chose cutoff equivalent volt per cell six volts total six-cell packs battery pack voltage dropped value during discharge watch stopped No attempt made deter six cells accounted depressed terminal voltage As turns out much-used pack probably has some noticeable cell imbalance appears some cells did drop deeper rapidly others same pack preceding description clear can tell what percentage charge battery returns Also quite same can tell what Iie] ] d $100 Cash Check Stamps 32 Page Tabloid size illustrated DISCOUNT Catalog Sent 1st Class Mail COMET COX FLYLINE FOX GOLDBERG GUILLOWS JETCO K&3- PACTRA PECK POLYMER PERFECT SIG- STERLING SULLIVAN TOP FLITE & OTHERS PENN VALLEY HONEY CENTER 837 1 Main 3t Lanshli 1 19446 battery capacity battery known fully-charged total ampere-hours important another par ameter also importantthe battery-ter minal voltage battery has high ternal losses terminal voltage under load will depressed flight made way will good flight battery maintains high voltage out put motor Lets look table analyze re sults tests Looking new bat tery first see familiar phenomenon first flights good means its common experience first sometimes second flights day good followthe battery seems go through warm-up though dont think has anything temper ature Anyway first three fiveminute charges apparent charge return battery gradually improves reach level very close charge put other words get charge back performance continues creasingly longer charges up limits testeda sixth cycle input equal SeDtember 1984 159 1 AERONCAC3 GIANT SCALE 4CYcLE6O-90 SEND $200 FOR COMPLETE CATALOG OF FINE KITS IKON NW5T PO Box 566 Auburn WA 98071 206 941-8248 New Model Magic Products Model Magic Epoxy Plus 2 Part 8 Mm Use anywhere two part epoxy used Light weight Sandable Carveable Excellent Gap Filling Non Sagging Superior Strength Sands and carves like basswood! 6 fI oz $895 See dealer first write cal Madel Magic Products Inc ,.P0 Box 19784 St Paul MN 55119 715425-1397
Edition: Model Aviation - 1984/09
Page Numbers: 52, 53, 158, 159
Radio Control Old- Timers DrDB Mathews CORRECTION January 1984 col umn gave source plans im mortal deBolt Live Wire kits Unfortu nately gave wrong address several modelers have letters returned correct source Fran Ptaszkiewicz 23 Marlee Drive Tonawan da NY 14150 Cleveland Cloudster Mk Mk II popular kits old Cleve land line Cloudster Graceful lines combined scalelike ap pearance made Cloudster tractive kit buyers Excellent aerodynamics also added appeal since always seemed fly well touch Joe Elgin apparent al though credited plans advertisements wing em pennage planforms very much Play boy airfoil also very similar 50-in-span design intended Class B Free Flight plans showing O&R 23 mounted inverted point reader likely com paring text photo Sal Taibi three-view wondering what going What have two wildly different Cloudsters 1940 ver sion have just described rare-as hens-teeth 1938 version John Pond Plans Service has 1940 version plan No 5D2 has flown many modelers both Free Flight RC-Assist really delightful Y2A Texaco subject very com petitive B Cabin Free Flight real doll sport 10 cu engine kit drawings list 1940 version kit No GP5004-C much rar er 1938 version No 5004 C can speculate 5 DIHEDRAL AT ThIS POINT KH H OVAL STRUT FROM FUSE TO STAB CENTER SPAR RUBBER BAND SHOCK ABSORBERS CLEVELAND CLOUDSTER \ /\ WING SPAN 50 IN WING AREA 325 50 IN APPROXI LENGTH 31 1/2 IN/ POWER SMALL GA MAX 5/B IN BORE 01234 56 SCALE I----II I ----IWING ATTACHMENT WIRE /I A- - I___ INSTALL MOTOR WITH 1 TO 2 NEGATIVE ANGLE 3-view 1938 Cleveland Cioudater Mk traced right kit plans B used However have told some alternate stabilizer outlines can documented some kits time have able authenticate rumor Joe Wagner lived Southern California years before returning Pennsylvania tells us several others bought up old kits plans various hobby shops modelers left military service 1942 collection developed collection 52 Model Aviation Cleveland Cioudater models left isa Mk II version 1940 built Bob Oslan Ross Thomas launching /2A Texaco event right Joe Wagners Mk version 1938 sidewinder-mounted Cox Black Widow engine red silk covering 2-channel RC Sal Taibi holds FF version 1940 Cleveland Cloudeter Mk Ii Thats Arden 19 Ignition engine nose Note has built wing polyhedral has wing-mounted drag tab get model turn left glide Photo byjim Adams plans never dreaming SAM Socie ty Antique Modelers movement would ever happen became apparent others would like build designs Joe friends donated plan col lections John Pond order make available rest us good match since John time Naval draftsman office seve ral other draftsmen refurbished drawings spare time began make copies Navys equipment Government put stop plans added Russ Barrera Museum became source few years As Russ became seriously ill John Pond retired Navy went Old-Timer plans businessCondnued page 158 Carlo Cox owerd Back buliding normai-looklng stuff Polaroid copies photos November 1960 Amerlcan Modeler 1 7-yearold Senior contestant 60 Nets first-place-winning CL Scale FokkerlFalrchlid F-27 L launching fIrst-place-wInning PAA-Load PP model R l Burt Rutanhe full-scale canard fame Vari-Viggen Varl-EZ Quickie Beechcraft Starship etc II RC AerobatlcslVan Putt Continued page 155 separate glue joints Use heat gun blow hot air joint use chisel knife scrape heated epoxy away wood careful use heat gun scraping tools epoxy joint can opened virtually epoxy removed so-called five minute epoxies little tougher break down because tend form gummy mess heated Dont waste time heating polyester resinsit doesnt work As chemicals avoid breathing fumes epoxy work open area lots ventilation lot people coat inside tank compartment airplanes epoxy protect wood fuel leak age Usually epoxy too thick spread well often end up lumpy mess two ways around problem can thin epoxy alcohol lacquer thinner brush thinned epoxy surface can warm glue will reduce its vis cosity allow brushed Dont use good brushes Instead buy acid brushes hardware store throw away after use Good ideas way heated epoxy cures faster dont waste time Ron Van Putte Ill Sleepy Oaks Rd Ft Walton Beach FL 32548 RC Old-TimerslMathews Continued page 53 set kit plans Joe did donate however 1938 Cloudster kit Recently Joe has built RC version design displayed La Junta last summer writer sali vated over poor thing begged Joe set blue lines has obliged share three-view form Cloudster Mk 11938 version bears virtually no resemblance its younger sister airfoil flat-bottomed stab flat fuselage much wider just differences dont show clearly photos older version also has multi-piece undercarriage stab inset fuselage glaringly apparent does have leading edge notch much trademark Mk II version net result must careful identifying Cloudsters reason have arbitrarily tacked Mk Mk II designa tions much someone else has done two Comet Clipper versions Some readers likely turned Mk going want plans Wed suspect annual member ship Joe Wagners Fun Flyers few dollars printing costs would get set Contact Joe Wagner Fun Flyers PO Box 94 Volant PA 16156 information membership new organization non-competition modelers worth having plans youre aware Fun Flyers concept should Products Old Timer first started writing column January 1977 sources kits supplies etc few far between ensuing years virtual explosion interest OldTimers has led many manufac turers marketing products aimed needs Now some major com panies introducing kits etc us see excellent measurement what Old-Timer idea has offer Obviously having fun would growing fast Since products manufacturers now available have unable keep up reporting Suffice say check ads various magazines SAM Speaks Perhaps astonishing develop ment has engines Suddenly can buy reproductions Forsters wicks Megows Super Cyclones Simplex etc Would believe repro famous Deezil available Australia responding ads Model via tion tell saw Another chapter Started Models previous columns Ive tried highlight modeling background several famous people commercial world Dr Paul MacCready Roy Mar quardt Roger Hammer others have mentioned Now lets add Burt Rutan dont know Burt youve never heard VariViggen Van EZ LongEZ Defender outof-the-rut canard-configuration designs Rutans genius mention new Beech Aircraft twin-pusher turbo prop canard Burt recognized around world preeminent expert canard aero dynamics has repeatedly demonstrat ed much-improved speed stability configuration much several aircraft concerns about release similar designs former National Champion very active modeler both Free Flight CL late 1950s like think some what learned shows now As example. remember Hobby Poxy EZ Does technique foam mold covered Dynel fabric epoxy glue Consider Burt Rutan also fellow pioneered composite construction homebuilts hottest thing aircraft indus try today composite structure airframe components Composites mixtures high-strength plastics such epoxy covering mixed layers fiberglass carbon fibers Im sure other people have instrumental de HObbY Horn Win9 Span--789 Wng Area--tOO Sq z JVW SENSOAR glider HOBBY HORN Esclusisel HOBBY HORN Kit SENSOAR Glider kit high qoality kit Machine cut sanded parts Select quality balsa spruce Oetailed plans written instructions THERMAL SLOPE 55 ELECTRIC POWER VALUE PRICED 51600 RflS tull Partial Ksto P & W Semi-Kits Combined full slripwood plan Now md Wire Window etc Mat fNote may purchased just os semikits planswrite call prices 1930 Buecaneer-84-8St 1938 Clipper MR l-72-$39 1837 Oellalre Sptser198$61 1940 Ranger46 $27 1939 Mercury72S56 1935 Miss Amerlca84-959 1941 Playboy Jr54929 1941 Ptayboy Sr80$46 1938 Power Hoaae84--S43 1949 Sailplane-YB-- $74 1940 So LongSO$28 1938 Trenton Terror-72S32 1939 Zlpper54949 1939 Korda Wakefleld44 $17 MIDWAY MODEL GO 3emt-klts CsmbneO w/olrtp 1936 FlyIng Quaker84-949 1937 Quaker Flash-OT539 1937 Long Cahin78-042 1937 Air Chief-01940 BYRUCKS 1940 79 Span 831 Sq aa SEMIKIT Plan lncl-S3300 NUW mI Sr Cowbo Pull Kit $9309 3CALPLANS fld ORAWINOS SIS HEINKEL HEbOO 62 60s $1000 onsrrdANDhsu 64 Page C Up $800 odd $110 $200 PP/Iso Clsos $801 $2000 odd $225 copy will sent $2001 $4500 odd $300 free--when requested$4501 $7009 odd $350 order over $7000 add $400 BBY HORN CA Addressees odd 6% tox 55hobby specialties5 Send MO Visa/MC#Exp15173 Moran Street [Al Check allow up 30 Box 2212 days cheek clearonceWestminster Ca 92683 CODExsct Charges 8938311 Mdl Cssh Onlv[AII UPS 4 8951203 158 Model Aviation Model Magic Filler Quick setting Light weigbt Nnn Fillets Gap filling Ding repair U See dealer first write call $595 Retail 8 fI oz Model Magic Products Model Magic Products PO Box 7784 St Paul Minn 55119 715 425-1397 Adhesion Balsa Foam Fiberglass Strength Flexing Spreading Fuel Resistance Sanding Hardness Finishing Shelf Ufe Tint Acceptance Water Resistance Comparison Chart Model Magic Exceent Product X Very Poor Good As medium balsa As Hard Balsa Any finish/covering till used up Excellent Soft balsa Soft balsa Spoils 57 mo Very Poor Test methods arid data avalable request care enough fill very best sist Model Magic Filer Circus Magic Filler veloping composite structures Burt Rutan has certainly leaders Proud Youd darn well better believe should too Dee B Mathews 506 South Walnut Greensburg KS 67054 RC ElectricslKopski Continued page 55 used battery Both six-cell 12 Ah Sanyo packs chance just happened run testing time 300 flights previously recorded Un fortunately have break-in data used pack new cant certain flying has af fected battery So purposes experiment made assumption used battery new like new included test Such assumption allows determine much used pack has degraded usesort test consisted six charge/dis charge cycles pack pack carefully charged using regulated lab supply specific time periods shown table charge current used constant 40 amps charge time varied purposes test times varied rela tively short pushing-it long Following charges described pack carefully discharged using electronically-regulated current sink like reverse supply effect packs loaded electronic load such constant discharge current 100 amps flowed batteries under test no matter what terminal voltage discharges carefully timed beginning cutoff purposes test chose cutoff equivalent volt per cell six volts total six-cell packs battery pack voltage dropped value during discharge watch stopped No attempt made deter six cells accounted depressed terminal voltage As turns out much-used pack probably has some noticeable cell imbalance appears some cells did drop deeper rapidly others same pack preceding description clear can tell what percentage charge battery returns Also quite same can tell what Iie] ] d $100 Cash Check Stamps 32 Page Tabloid size illustrated DISCOUNT Catalog Sent 1st Class Mail COMET COX FLYLINE FOX GOLDBERG GUILLOWS JETCO K&3- PACTRA PECK POLYMER PERFECT SIG- STERLING SULLIVAN TOP FLITE & OTHERS PENN VALLEY HONEY CENTER 837 1 Main 3t Lanshli 1 19446 battery capacity battery known fully-charged total ampere-hours important another par ameter also importantthe battery-ter minal voltage battery has high ternal losses terminal voltage under load will depressed flight made way will good flight battery maintains high voltage out put motor Lets look table analyze re sults tests Looking new bat tery first see familiar phenomenon first flights good means its common experience first sometimes second flights day good followthe battery seems go through warm-up though dont think has anything temper ature Anyway first three fiveminute charges apparent charge return battery gradually improves reach level very close charge put other words get charge back performance continues creasingly longer charges up limits testeda sixth cycle input equal SeDtember 1984 159 1 AERONCAC3 GIANT SCALE 4CYcLE6O-90 SEND $200 FOR COMPLETE CATALOG OF FINE KITS IKON NW5T PO Box 566 Auburn WA 98071 206 941-8248 New Model Magic Products Model Magic Epoxy Plus 2 Part 8 Mm Use anywhere two part epoxy used Light weight Sandable Carveable Excellent Gap Filling Non Sagging Superior Strength Sands and carves like basswood! 6 fI oz $895 See dealer first write cal Madel Magic Products Inc ,.P0 Box 19784 St Paul MN 55119 715425-1397
Edition: Model Aviation - 1984/09
Page Numbers: 52, 53, 158, 159
Radio Control Old- Timers DrDB Mathews CORRECTION January 1984 col umn gave source plans im mortal deBolt Live Wire kits Unfortu nately gave wrong address several modelers have letters returned correct source Fran Ptaszkiewicz 23 Marlee Drive Tonawan da NY 14150 Cleveland Cloudster Mk Mk II popular kits old Cleve land line Cloudster Graceful lines combined scalelike ap pearance made Cloudster tractive kit buyers Excellent aerodynamics also added appeal since always seemed fly well touch Joe Elgin apparent al though credited plans advertisements wing em pennage planforms very much Play boy airfoil also very similar 50-in-span design intended Class B Free Flight plans showing O&R 23 mounted inverted point reader likely com paring text photo Sal Taibi three-view wondering what going What have two wildly different Cloudsters 1940 ver sion have just described rare-as hens-teeth 1938 version John Pond Plans Service has 1940 version plan No 5D2 has flown many modelers both Free Flight RC-Assist really delightful Y2A Texaco subject very com petitive B Cabin Free Flight real doll sport 10 cu engine kit drawings list 1940 version kit No GP5004-C much rar er 1938 version No 5004 C can speculate 5 DIHEDRAL AT ThIS POINT KH H OVAL STRUT FROM FUSE TO STAB CENTER SPAR RUBBER BAND SHOCK ABSORBERS CLEVELAND CLOUDSTER \ /\ WING SPAN 50 IN WING AREA 325 50 IN APPROXI LENGTH 31 1/2 IN/ POWER SMALL GA MAX 5/B IN BORE 01234 56 SCALE I----II I ----IWING ATTACHMENT WIRE /I A- - I___ INSTALL MOTOR WITH 1 TO 2 NEGATIVE ANGLE 3-view 1938 Cleveland Cioudater Mk traced right kit plans B used However have told some alternate stabilizer outlines can documented some kits time have able authenticate rumor Joe Wagner lived Southern California years before returning Pennsylvania tells us several others bought up old kits plans various hobby shops modelers left military service 1942 collection developed collection 52 Model Aviation Cleveland Cioudater models left isa Mk II version 1940 built Bob Oslan Ross Thomas launching /2A Texaco event right Joe Wagners Mk version 1938 sidewinder-mounted Cox Black Widow engine red silk covering 2-channel RC Sal Taibi holds FF version 1940 Cleveland Cloudeter Mk Ii Thats Arden 19 Ignition engine nose Note has built wing polyhedral has wing-mounted drag tab get model turn left glide Photo byjim Adams plans never dreaming SAM Socie ty Antique Modelers movement would ever happen became apparent others would like build designs Joe friends donated plan col lections John Pond order make available rest us good match since John time Naval draftsman office seve ral other draftsmen refurbished drawings spare time began make copies Navys equipment Government put stop plans added Russ Barrera Museum became source few years As Russ became seriously ill John Pond retired Navy went Old-Timer plans businessCondnued page 158 Carlo Cox owerd Back buliding normai-looklng stuff Polaroid copies photos November 1960 Amerlcan Modeler 1 7-yearold Senior contestant 60 Nets first-place-winning CL Scale FokkerlFalrchlid F-27 L launching fIrst-place-wInning PAA-Load PP model R l Burt Rutanhe full-scale canard fame Vari-Viggen Varl-EZ Quickie Beechcraft Starship etc II RC AerobatlcslVan Putt Continued page 155 separate glue joints Use heat gun blow hot air joint use chisel knife scrape heated epoxy away wood careful use heat gun scraping tools epoxy joint can opened virtually epoxy removed so-called five minute epoxies little tougher break down because tend form gummy mess heated Dont waste time heating polyester resinsit doesnt work As chemicals avoid breathing fumes epoxy work open area lots ventilation lot people coat inside tank compartment airplanes epoxy protect wood fuel leak age Usually epoxy too thick spread well often end up lumpy mess two ways around problem can thin epoxy alcohol lacquer thinner brush thinned epoxy surface can warm glue will reduce its vis cosity allow brushed Dont use good brushes Instead buy acid brushes hardware store throw away after use Good ideas way heated epoxy cures faster dont waste time Ron Van Putte Ill Sleepy Oaks Rd Ft Walton Beach FL 32548 RC Old-TimerslMathews Continued page 53 set kit plans Joe did donate however 1938 Cloudster kit Recently Joe has built RC version design displayed La Junta last summer writer sali vated over poor thing begged Joe set blue lines has obliged share three-view form Cloudster Mk 11938 version bears virtually no resemblance its younger sister airfoil flat-bottomed stab flat fuselage much wider just differences dont show clearly photos older version also has multi-piece undercarriage stab inset fuselage glaringly apparent does have leading edge notch much trademark Mk II version net result must careful identifying Cloudsters reason have arbitrarily tacked Mk Mk II designa tions much someone else has done two Comet Clipper versions Some readers likely turned Mk going want plans Wed suspect annual member ship Joe Wagners Fun Flyers few dollars printing costs would get set Contact Joe Wagner Fun Flyers PO Box 94 Volant PA 16156 information membership new organization non-competition modelers worth having plans youre aware Fun Flyers concept should Products Old Timer first started writing column January 1977 sources kits supplies etc few far between ensuing years virtual explosion interest OldTimers has led many manufac turers marketing products aimed needs Now some major com panies introducing kits etc us see excellent measurement what Old-Timer idea has offer Obviously having fun would growing fast Since products manufacturers now available have unable keep up reporting Suffice say check ads various magazines SAM Speaks Perhaps astonishing develop ment has engines Suddenly can buy reproductions Forsters wicks Megows Super Cyclones Simplex etc Would believe repro famous Deezil available Australia responding ads Model via tion tell saw Another chapter Started Models previous columns Ive tried highlight modeling background several famous people commercial world Dr Paul MacCready Roy Mar quardt Roger Hammer others have mentioned Now lets add Burt Rutan dont know Burt youve never heard VariViggen Van EZ LongEZ Defender outof-the-rut canard-configuration designs Rutans genius mention new Beech Aircraft twin-pusher turbo prop canard Burt recognized around world preeminent expert canard aero dynamics has repeatedly demonstrat ed much-improved speed stability configuration much several aircraft concerns about release similar designs former National Champion very active modeler both Free Flight CL late 1950s like think some what learned shows now As example. remember Hobby Poxy EZ Does technique foam mold covered Dynel fabric epoxy glue Consider Burt Rutan also fellow pioneered composite construction homebuilts hottest thing aircraft indus try today composite structure airframe components Composites mixtures high-strength plastics such epoxy covering mixed layers fiberglass carbon fibers Im sure other people have instrumental de HObbY Horn Win9 Span--789 Wng Area--tOO Sq z JVW SENSOAR glider HOBBY HORN Esclusisel HOBBY HORN Kit SENSOAR Glider kit high qoality kit Machine cut sanded parts Select quality balsa spruce Oetailed plans written instructions THERMAL SLOPE 55 ELECTRIC POWER VALUE PRICED 51600 RflS tull Partial Ksto P & W Semi-Kits Combined full slripwood plan Now md Wire Window etc Mat fNote may purchased just os semikits planswrite call prices 1930 Buecaneer-84-8St 1938 Clipper MR l-72-$39 1837 Oellalre Sptser198$61 1940 Ranger46 $27 1939 Mercury72S56 1935 Miss Amerlca84-959 1941 Playboy Jr54929 1941 Ptayboy Sr80$46 1938 Power Hoaae84--S43 1949 Sailplane-YB-- $74 1940 So LongSO$28 1938 Trenton Terror-72S32 1939 Zlpper54949 1939 Korda Wakefleld44 $17 MIDWAY MODEL GO 3emt-klts CsmbneO w/olrtp 1936 FlyIng Quaker84-949 1937 Quaker Flash-OT539 1937 Long Cahin78-042 1937 Air Chief-01940 BYRUCKS 1940 79 Span 831 Sq aa SEMIKIT Plan lncl-S3300 NUW mI Sr Cowbo Pull Kit $9309 3CALPLANS fld ORAWINOS SIS HEINKEL HEbOO 62 60s $1000 onsrrdANDhsu 64 Page C Up $800 odd $110 $200 PP/Iso Clsos $801 $2000 odd $225 copy will sent $2001 $4500 odd $300 free--when requested$4501 $7009 odd $350 order over $7000 add $400 BBY HORN CA Addressees odd 6% tox 55hobby specialties5 Send MO Visa/MC#Exp15173 Moran Street [Al Check allow up 30 Box 2212 days cheek clearonceWestminster Ca 92683 CODExsct Charges 8938311 Mdl Cssh Onlv[AII UPS 4 8951203 158 Model Aviation Model Magic Filler Quick setting Light weigbt Nnn Fillets Gap filling Ding repair U See dealer first write call $595 Retail 8 fI oz Model Magic Products Model Magic Products PO Box 7784 St Paul Minn 55119 715 425-1397 Adhesion Balsa Foam Fiberglass Strength Flexing Spreading Fuel Resistance Sanding Hardness Finishing Shelf Ufe Tint Acceptance Water Resistance Comparison Chart Model Magic Exceent Product X Very Poor Good As medium balsa As Hard Balsa Any finish/covering till used up Excellent Soft balsa Soft balsa Spoils 57 mo Very Poor Test methods arid data avalable request care enough fill very best sist Model Magic Filer Circus Magic Filler veloping composite structures Burt Rutan has certainly leaders Proud Youd darn well better believe should too Dee B Mathews 506 South Walnut Greensburg KS 67054 RC ElectricslKopski Continued page 55 used battery Both six-cell 12 Ah Sanyo packs chance just happened run testing time 300 flights previously recorded Un fortunately have break-in data used pack new cant certain flying has af fected battery So purposes experiment made assumption used battery new like new included test Such assumption allows determine much used pack has degraded usesort test consisted six charge/dis charge cycles pack pack carefully charged using regulated lab supply specific time periods shown table charge current used constant 40 amps charge time varied purposes test times varied rela tively short pushing-it long Following charges described pack carefully discharged using electronically-regulated current sink like reverse supply effect packs loaded electronic load such constant discharge current 100 amps flowed batteries under test no matter what terminal voltage discharges carefully timed beginning cutoff purposes test chose cutoff equivalent volt per cell six volts total six-cell packs battery pack voltage dropped value during discharge watch stopped No attempt made deter six cells accounted depressed terminal voltage As turns out much-used pack probably has some noticeable cell imbalance appears some cells did drop deeper rapidly others same pack preceding description clear can tell what percentage charge battery returns Also quite same can tell what Iie] ] d $100 Cash Check Stamps 32 Page Tabloid size illustrated DISCOUNT Catalog Sent 1st Class Mail COMET COX FLYLINE FOX GOLDBERG GUILLOWS JETCO K&3- PACTRA PECK POLYMER PERFECT SIG- STERLING SULLIVAN TOP FLITE & OTHERS PENN VALLEY HONEY CENTER 837 1 Main 3t Lanshli 1 19446 battery capacity battery known fully-charged total ampere-hours important another par ameter also importantthe battery-ter minal voltage battery has high ternal losses terminal voltage under load will depressed flight made way will good flight battery maintains high voltage out put motor Lets look table analyze re sults tests Looking new bat tery first see familiar phenomenon first flights good means its common experience first sometimes second flights day good followthe battery seems go through warm-up though dont think has anything temper ature Anyway first three fiveminute charges apparent charge return battery gradually improves reach level very close charge put other words get charge back performance continues creasingly longer charges up limits testeda sixth cycle input equal SeDtember 1984 159 1 AERONCAC3 GIANT SCALE 4CYcLE6O-90 SEND $200 FOR COMPLETE CATALOG OF FINE KITS IKON NW5T PO Box 566 Auburn WA 98071 206 941-8248 New Model Magic Products Model Magic Epoxy Plus 2 Part 8 Mm Use anywhere two part epoxy used Light weight Sandable Carveable Excellent Gap Filling Non Sagging Superior Strength Sands and carves like basswood! 6 fI oz $895 See dealer first write cal Madel Magic Products Inc ,.P0 Box 19784 St Paul MN 55119 715425-1397