H t &Scale Bill Warner THE CASE incredible shrinking ribs have just opened new kit carefully sealed factory protection appears order cant wait get building However after cutting out ribs laying over plan note horror ribs eighth inch too short Has printwood dried out shrunk Has plan swelled up guy drew both practi cal joker What nowtake back Stuart Hersey 15 newcomer Scale writes common ailment Hav ing just bought kit myself exactly same problem am led believe may widespread phe nomenon suspect cause using different methods print wood print plan Most us have experience Xerox copy being different scale original have large prints grow few percentage points printers before What Well can always Xerox ribs other parts plan theyre making sure Xerox set 11 wipe thinner across back copy applied sheet balsa either fresh sheet back short-ribbed Allow dry peel offand youll have new right-on set parts second way use pin down leading edge glue short ribs allowing trailing edge fall will Once wing plane wont noticeable Superscale nuts will object dont build kits anyway Maybe best way measure printwood plan ribs before plunk down money first place Plasti-Dip trade name liquid Mac McJunkin Riverside CA has unique method constructing fuseiage naceile structures have rounded cross sec tions uses cardboard jigs coated wax stuck together aid smail soidering iron bulkhead rings iaminated around cardboard former stringers added glue dries jig-rod remove rest jig broken apart tweezers extricated completed structure great Beli Airacuda L constructed using scheme weighs mere four oz files beautifully Rubber winds front 3 Frances Emmanuel Flilon uses novei way mount wing stuts L Flattened aluminum tube cemented fuselage structure tiny siot locks hump wire fitting Pat Daliys Brewster Buffaic R looks fat lazybut its design has dusted-off sleeker ship its day Nice construction technique eh Photo Tom Schmitt 60 Model Aviation Bill has lot say column about use Piasti Dip make Scaie wheels look much realistic thin out product swirl balsa wheels get smooth thin coating tires can lifetime supply Left Famous Goon racer Art Chester modeled Rev Bill Anderson flies wlht Erie PA Model Aircraft Assoc holds twice-a-year Indoor meets gym Edinboro University Sitewas obtalnec through Delta Dart programPhoto Ross Mayo Right Dick Howards sub-Peanut Gee Bee Z isa great flier outdoors Engine canopy prop formed cottage cheese tub cover Cute Weighs five grams gao makes super-looking longlasting tires balsa wheels found local hardware store though seem loathe carry black first tried last summer nice results problem being its consistency tending bit heavy Nine months sitting shelf saw can Plasti-Dip still usable though its contents shrunk some 50% Folding nitrate dope thinner lots lots patience brought up top again No skin formed material some paint tends cut off bottom soda can filled about 3/4-full stilltoo-thick goo thinner added until practice wheel spun very slowly got coating big glob remaining spin overlapped happened wheel would wiped off thinner added Best results obtained wheel sanded smooth two coats sealer nitrate dope talcum added get good grain-free surface spin goo Thicker coats hide balsa grain add weight found best results came rather thin mixture two three coats allowing dry few hours between coats wheel has stick serted center hole can easily Continued 2ge 78 Loren Williams lofts %2-scale 1916 Rumpler 6B1 Taft CA flying site Its rock-steady air has 440 sq wing surface flies about minute big prop has pulled forward % against rubber motor Canadas Dick Allen woke sound sleep sketched dream us October 1985 61 FF Duration/Meuser Continued page 59 Helicopter hand-launched glider life conventional boomerangs fly about 12 seconds have tried get fly longer am told have made flights exceeding minute has flown about three minutes although might have volved assistance thermal Such long flights seems imply flight mechanism helicop ter rather autogiro least later flight initial rotational momentum wanes Maple seeds know about Amusing yawn say what has got winning Free Flight contests Perhaps nothing nothing Hand-Launched Glider rules would prevent boomer ang competing one-to-threeminute flights made under Indoor flying conditions boomerangs could threat life-style Indoor HL Glider enthusiasts made thermal assistance bit development Free Flighters boomerang might competitive conventional HLG aircraft unlikely seems have nothing against boomerangs fly bit myself hope have time take whack developing ones maximum time flight However dont think have place Free Flight competition know cher ish next rules-change cycle Ill propose boomerangs prohibited HLG competition Comments Flapping good circulation Ac cording clip saw newsletter fellow name Professor Maxworthy yes Free Flighters thats real name University Southern Cali fornia has studying heck out insects hover effectively Using large mechanical models flying sea glycerine presumably get Reynolds number right finds using clap fling technique wasps such can develop five six times lift conventional aircraft wings Im quite sure what means could have told professor right off conventional fixed wings wont lift much hovering flight clap-andfling business amounts wing tips coming contact nearly top bottom stroke Its good circulationof air isor something like circulation spells lift Well seems work model planes tooOrnithopter models conventional monoplane type rather biplanes havent heard Al Rohrbaugh has getting over 10 minutes ornibipe just double what would have considered virtually impossible two three years ago quantum leap can recall Free Flight since invention glow plug ornibipes wings flap out phase tips come together second stroke could part explanation Als success another part might lie fact flapping isnt completely out phase1800 isbut like 900 out con ventional thopter about fourth turn crank occupied simply changing direction flap up down happens twice per crank revolution Nothing much useful form lifting propelling aircraft accomplished during reversal yet quarter-turns use up much energy rubber motor ones work useless part energy goes making wavessound waves last time saw silent Ornithopter machine having two wings hooked common crankshaft wing making its flapping reversal other mid-stroke absorbing energy usefully would work tandem-wing models well course clap-and-fling effect would absent biplane flapper Reg Parham England appeared Frank Zaics old Yearbooks Recently following dis cussions Parham Pat Deshaye US quite some success configuration found 900 phasing work far better 1800 Curt Stevens kids cant remember set Outdoor record biplane thopter rather different sort top wing side continuous bottom wing other side wings teeter-tottered Another thing about thopters Clever alliteration eh conventional monoplane thopter tend think wing moving up upstroke down downstroke isnt simple order ver tical forces balance including effective force represented mass vertical acceleration parts wing tips go down fuse lageand center part wing along itmust go up Nature wouldnt have other way Hewitt Phillips will tell about paper published 1985 NFFS Symposium Report will published about Nats time wonder long will before some nut proposes ban biplane thop ters AMA competition Probably Book review Models Musings Bill Hannan Editors note maybe should have Models Meusings RMcM Another year another Hannan book consisting non-scale low-key fun machines bit different recent Scrapbook Scale series Eighteen full-size plans presented along appropriate construction arti cles 14 rubber-powered models including two basic biplanes two profile helicop ters Escondido Mosquito String less Wonder flying disc canard tiny rubber-power model FAI Power model whimsical Bostonian plus four simple gliders along lots typically-Hannan philosophical tidbits wit humor 56 pages 8A x 11 55 photos 30 draw ings soft cover price $895 bookshop hobby shop doesnt carry order directly publisher W C Hannan Graphics PO Box Escondido CA 92025 Include $1 postage handling plus 6% sales tax live California Bob Meuser 4200 Gregory St Oakland CA 94619 FF Scale/Warner Continued page 61 handled coated wheel should spun using axle until dry enough set aside thorough drying Spin couple minutes let stuff stop moving wheel two-inch wheel takes about 20 seconds slow turn goo get well-coated thinned material provides flatfinish perfect rubber appearance instead right-out-of-the-can gloss finish thick material Extra Plasti-Dip should poured back can future use Youll have need can use coat screwdrivers pliers handles waterproof electrical stuff dip rubber hand-grips joysticks million other fun things Storing can upside down may retard thinner evap oration make sure its larger emptycan just case leaks Plasti-Dip available local hardware parts store can located via PDI Inc 1458 West Country Road C St Paul MN 55113 phone 612 633-9633 Mcjunkin jig No cant dance it may prove value next time have make round-type fuselage nacelle Bob Meuser mention ed August column saying too complicated describe Well Bob will glad send Xerox entire process send him large SASE meantime photo should get old-timers going Begin ners may want stick old half shell number la Guillows kits Basically process consists heavy cardboard templates bulkhead sta tion threaded 1/4-in dowel align ment bulkhead formers have first dipped melted wax Spacer pieces Continued page 148 78 Model Aviation FIJNtprl HLA08 Hobby Lobby RCM FUNSTER 40$6450 72 wing span 840 sq wing area 575 pounds approximate weight 1575 oz per sq ft wing loading fuselage length 55 4 preferably 5 6 channels 40 engine Conventional balsa plywood model airplane kit based upon construction article RCM FF Scale/Warner Continued page 78 between similarly coated entire assemblage tacked together soldering iron next step wrap thin strips 1/32-in balsa has soaked drawn through some Titebond glue couple turns around bulkhead former After dry longeron strips added tacking balsa ring ap propriate location CyA touching joint tiny bit Tite bond just make sure last step fun gently breaking apart waxwelded jig inside new fuselage After gently twisting out 1/4-in dowel pair tweezers used extracting former bits between stringer gaps can reused again again Great idea get multiple nacelles floats dual fuselages Dick Howard Lake Havasu AZ has magic touch Whether flying Gee Bee twin-rubber marvels has full attention everyone site performs secrets success has cot tage cheese Well exact cottage cheese containersthe ones made thin plastic sorts neat things can made uses lids heat-forming mater ial vacuforms pilot busts radial engine facades like curved tub mined prop blades cutting out rounded sides about 150 angle off vertical left beautifully preformed Peanuts as-is Larger models use two thicknesses lamination being accomplished deft swipe acetone-dampened cloth across piece slapping other Dont use too much youll dissolve lot finished blades can glued hub spinner indestructible Wing-bracing struts can headache unless plan ahead wings glued solidly perhaps tiny screws very least little wire pins help glue joints hold up case crash helpful Struts add strength expedient gluing end let ting extend fuselage wing will tear off tissue crash usually wise Knockoff wings bit harder save much time pain long run Struts have knockoff too often just coming back poke holes covering Anchoring hinge points end will help will least have 5Oo-chance punching holes bad situation handle plug-in end Emmanuel Fillons Petit Brochet plan showed way have used couple times great results Take short bit aluminum tubing 1/16-in diameter models up 36-in span flatten oblong shape will allow 015-in diameter music wire male plug enter male plug made like bobby pin little bump catch flat notch filed edge tubing made deep enough let bump engage inside lock bobby pin clip glued strut tube roughed up glued attachment point fuselage careful get glue inside tube locking slot Testors green tube glue works best easily controlled CyA epoxy Make practice rig scrap first get hang Its great way go Well gang famous miner once said Keep yer eye scale Bill Warner 423-C San Vicente Blvd Santa Monica_CA 90402 US Indoor/Clemens Continued page 64 duration visual delight fourwinged canard Ornithopter pulsed through air series flights riveted attention jaded Indoor buffs 16-gram beauty took first high time 546 reminding some lookers alien aquatic creature model aircraft Les Garber using uniquely-simple drive mechanism own design also employed four-wing format fly 437 second place Joe Krush third 309 Juergen Kortenbach fourth 235 Certainly Ornithopter seems have shed its en dangered species status Autogyro competition three fliers signed up little-understood class Larry Loucka won winged gyro did 627 Don Slusarzyk second 137 Bill Franklin slipped third brief 0024 Its often much collective laugh ter heard Indoor meet USIC its share afternoon Unlimited Peanut Rubber Speed events being hotly-contested end mammoth hall Models flying event required ROG unassisted three-point stance fly two laps around course marked pylons 20 ft apart strings hung helium-filled balloons restrictions model rubber-powered propellerdriven Models Peanut Speed event must qualifr bona fide Peanut Scale models No laughing matter say Try challenging event some time see long can keep straight face avoid good belly laugh two Chuck Markos grooved little Gone Goose clone around course blistering 142 mph 601 sec required two laps take first over Bill Hendersons next-best effort 150 Model Aviation Order Send price kit plus $390 d credit card orders Send shipments
Edition: Model Aviation - 1985/10
Page Numbers: 60, 61, 78, 150
H t &Scale Bill Warner THE CASE incredible shrinking ribs have just opened new kit carefully sealed factory protection appears order cant wait get building However after cutting out ribs laying over plan note horror ribs eighth inch too short Has printwood dried out shrunk Has plan swelled up guy drew both practi cal joker What nowtake back Stuart Hersey 15 newcomer Scale writes common ailment Hav ing just bought kit myself exactly same problem am led believe may widespread phe nomenon suspect cause using different methods print wood print plan Most us have experience Xerox copy being different scale original have large prints grow few percentage points printers before What Well can always Xerox ribs other parts plan theyre making sure Xerox set 11 wipe thinner across back copy applied sheet balsa either fresh sheet back short-ribbed Allow dry peel offand youll have new right-on set parts second way use pin down leading edge glue short ribs allowing trailing edge fall will Once wing plane wont noticeable Superscale nuts will object dont build kits anyway Maybe best way measure printwood plan ribs before plunk down money first place Plasti-Dip trade name liquid Mac McJunkin Riverside CA has unique method constructing fuseiage naceile structures have rounded cross sec tions uses cardboard jigs coated wax stuck together aid smail soidering iron bulkhead rings iaminated around cardboard former stringers added glue dries jig-rod remove rest jig broken apart tweezers extricated completed structure great Beli Airacuda L constructed using scheme weighs mere four oz files beautifully Rubber winds front 3 Frances Emmanuel Flilon uses novei way mount wing stuts L Flattened aluminum tube cemented fuselage structure tiny siot locks hump wire fitting Pat Daliys Brewster Buffaic R looks fat lazybut its design has dusted-off sleeker ship its day Nice construction technique eh Photo Tom Schmitt 60 Model Aviation Bill has lot say column about use Piasti Dip make Scaie wheels look much realistic thin out product swirl balsa wheels get smooth thin coating tires can lifetime supply Left Famous Goon racer Art Chester modeled Rev Bill Anderson flies wlht Erie PA Model Aircraft Assoc holds twice-a-year Indoor meets gym Edinboro University Sitewas obtalnec through Delta Dart programPhoto Ross Mayo Right Dick Howards sub-Peanut Gee Bee Z isa great flier outdoors Engine canopy prop formed cottage cheese tub cover Cute Weighs five grams gao makes super-looking longlasting tires balsa wheels found local hardware store though seem loathe carry black first tried last summer nice results problem being its consistency tending bit heavy Nine months sitting shelf saw can Plasti-Dip still usable though its contents shrunk some 50% Folding nitrate dope thinner lots lots patience brought up top again No skin formed material some paint tends cut off bottom soda can filled about 3/4-full stilltoo-thick goo thinner added until practice wheel spun very slowly got coating big glob remaining spin overlapped happened wheel would wiped off thinner added Best results obtained wheel sanded smooth two coats sealer nitrate dope talcum added get good grain-free surface spin goo Thicker coats hide balsa grain add weight found best results came rather thin mixture two three coats allowing dry few hours between coats wheel has stick serted center hole can easily Continued 2ge 78 Loren Williams lofts %2-scale 1916 Rumpler 6B1 Taft CA flying site Its rock-steady air has 440 sq wing surface flies about minute big prop has pulled forward % against rubber motor Canadas Dick Allen woke sound sleep sketched dream us October 1985 61 FF Duration/Meuser Continued page 59 Helicopter hand-launched glider life conventional boomerangs fly about 12 seconds have tried get fly longer am told have made flights exceeding minute has flown about three minutes although might have volved assistance thermal Such long flights seems imply flight mechanism helicop ter rather autogiro least later flight initial rotational momentum wanes Maple seeds know about Amusing yawn say what has got winning Free Flight contests Perhaps nothing nothing Hand-Launched Glider rules would prevent boomer ang competing one-to-threeminute flights made under Indoor flying conditions boomerangs could threat life-style Indoor HL Glider enthusiasts made thermal assistance bit development Free Flighters boomerang might competitive conventional HLG aircraft unlikely seems have nothing against boomerangs fly bit myself hope have time take whack developing ones maximum time flight However dont think have place Free Flight competition know cher ish next rules-change cycle Ill propose boomerangs prohibited HLG competition Comments Flapping good circulation Ac cording clip saw newsletter fellow name Professor Maxworthy yes Free Flighters thats real name University Southern Cali fornia has studying heck out insects hover effectively Using large mechanical models flying sea glycerine presumably get Reynolds number right finds using clap fling technique wasps such can develop five six times lift conventional aircraft wings Im quite sure what means could have told professor right off conventional fixed wings wont lift much hovering flight clap-andfling business amounts wing tips coming contact nearly top bottom stroke Its good circulationof air isor something like circulation spells lift Well seems work model planes tooOrnithopter models conventional monoplane type rather biplanes havent heard Al Rohrbaugh has getting over 10 minutes ornibipe just double what would have considered virtually impossible two three years ago quantum leap can recall Free Flight since invention glow plug ornibipes wings flap out phase tips come together second stroke could part explanation Als success another part might lie fact flapping isnt completely out phase1800 isbut like 900 out con ventional thopter about fourth turn crank occupied simply changing direction flap up down happens twice per crank revolution Nothing much useful form lifting propelling aircraft accomplished during reversal yet quarter-turns use up much energy rubber motor ones work useless part energy goes making wavessound waves last time saw silent Ornithopter machine having two wings hooked common crankshaft wing making its flapping reversal other mid-stroke absorbing energy usefully would work tandem-wing models well course clap-and-fling effect would absent biplane flapper Reg Parham England appeared Frank Zaics old Yearbooks Recently following dis cussions Parham Pat Deshaye US quite some success configuration found 900 phasing work far better 1800 Curt Stevens kids cant remember set Outdoor record biplane thopter rather different sort top wing side continuous bottom wing other side wings teeter-tottered Another thing about thopters Clever alliteration eh conventional monoplane thopter tend think wing moving up upstroke down downstroke isnt simple order ver tical forces balance including effective force represented mass vertical acceleration parts wing tips go down fuse lageand center part wing along itmust go up Nature wouldnt have other way Hewitt Phillips will tell about paper published 1985 NFFS Symposium Report will published about Nats time wonder long will before some nut proposes ban biplane thop ters AMA competition Probably Book review Models Musings Bill Hannan Editors note maybe should have Models Meusings RMcM Another year another Hannan book consisting non-scale low-key fun machines bit different recent Scrapbook Scale series Eighteen full-size plans presented along appropriate construction arti cles 14 rubber-powered models including two basic biplanes two profile helicop ters Escondido Mosquito String less Wonder flying disc canard tiny rubber-power model FAI Power model whimsical Bostonian plus four simple gliders along lots typically-Hannan philosophical tidbits wit humor 56 pages 8A x 11 55 photos 30 draw ings soft cover price $895 bookshop hobby shop doesnt carry order directly publisher W C Hannan Graphics PO Box Escondido CA 92025 Include $1 postage handling plus 6% sales tax live California Bob Meuser 4200 Gregory St Oakland CA 94619 FF Scale/Warner Continued page 61 handled coated wheel should spun using axle until dry enough set aside thorough drying Spin couple minutes let stuff stop moving wheel two-inch wheel takes about 20 seconds slow turn goo get well-coated thinned material provides flatfinish perfect rubber appearance instead right-out-of-the-can gloss finish thick material Extra Plasti-Dip should poured back can future use Youll have need can use coat screwdrivers pliers handles waterproof electrical stuff dip rubber hand-grips joysticks million other fun things Storing can upside down may retard thinner evap oration make sure its larger emptycan just case leaks Plasti-Dip available local hardware parts store can located via PDI Inc 1458 West Country Road C St Paul MN 55113 phone 612 633-9633 Mcjunkin jig No cant dance it may prove value next time have make round-type fuselage nacelle Bob Meuser mention ed August column saying too complicated describe Well Bob will glad send Xerox entire process send him large SASE meantime photo should get old-timers going Begin ners may want stick old half shell number la Guillows kits Basically process consists heavy cardboard templates bulkhead sta tion threaded 1/4-in dowel align ment bulkhead formers have first dipped melted wax Spacer pieces Continued page 148 78 Model Aviation FIJNtprl HLA08 Hobby Lobby RCM FUNSTER 40$6450 72 wing span 840 sq wing area 575 pounds approximate weight 1575 oz per sq ft wing loading fuselage length 55 4 preferably 5 6 channels 40 engine Conventional balsa plywood model airplane kit based upon construction article RCM FF Scale/Warner Continued page 78 between similarly coated entire assemblage tacked together soldering iron next step wrap thin strips 1/32-in balsa has soaked drawn through some Titebond glue couple turns around bulkhead former After dry longeron strips added tacking balsa ring ap propriate location CyA touching joint tiny bit Tite bond just make sure last step fun gently breaking apart waxwelded jig inside new fuselage After gently twisting out 1/4-in dowel pair tweezers used extracting former bits between stringer gaps can reused again again Great idea get multiple nacelles floats dual fuselages Dick Howard Lake Havasu AZ has magic touch Whether flying Gee Bee twin-rubber marvels has full attention everyone site performs secrets success has cot tage cheese Well exact cottage cheese containersthe ones made thin plastic sorts neat things can made uses lids heat-forming mater ial vacuforms pilot busts radial engine facades like curved tub mined prop blades cutting out rounded sides about 150 angle off vertical left beautifully preformed Peanuts as-is Larger models use two thicknesses lamination being accomplished deft swipe acetone-dampened cloth across piece slapping other Dont use too much youll dissolve lot finished blades can glued hub spinner indestructible Wing-bracing struts can headache unless plan ahead wings glued solidly perhaps tiny screws very least little wire pins help glue joints hold up case crash helpful Struts add strength expedient gluing end let ting extend fuselage wing will tear off tissue crash usually wise Knockoff wings bit harder save much time pain long run Struts have knockoff too often just coming back poke holes covering Anchoring hinge points end will help will least have 5Oo-chance punching holes bad situation handle plug-in end Emmanuel Fillons Petit Brochet plan showed way have used couple times great results Take short bit aluminum tubing 1/16-in diameter models up 36-in span flatten oblong shape will allow 015-in diameter music wire male plug enter male plug made like bobby pin little bump catch flat notch filed edge tubing made deep enough let bump engage inside lock bobby pin clip glued strut tube roughed up glued attachment point fuselage careful get glue inside tube locking slot Testors green tube glue works best easily controlled CyA epoxy Make practice rig scrap first get hang Its great way go Well gang famous miner once said Keep yer eye scale Bill Warner 423-C San Vicente Blvd Santa Monica_CA 90402 US Indoor/Clemens Continued page 64 duration visual delight fourwinged canard Ornithopter pulsed through air series flights riveted attention jaded Indoor buffs 16-gram beauty took first high time 546 reminding some lookers alien aquatic creature model aircraft Les Garber using uniquely-simple drive mechanism own design also employed four-wing format fly 437 second place Joe Krush third 309 Juergen Kortenbach fourth 235 Certainly Ornithopter seems have shed its en dangered species status Autogyro competition three fliers signed up little-understood class Larry Loucka won winged gyro did 627 Don Slusarzyk second 137 Bill Franklin slipped third brief 0024 Its often much collective laugh ter heard Indoor meet USIC its share afternoon Unlimited Peanut Rubber Speed events being hotly-contested end mammoth hall Models flying event required ROG unassisted three-point stance fly two laps around course marked pylons 20 ft apart strings hung helium-filled balloons restrictions model rubber-powered propellerdriven Models Peanut Speed event must qualifr bona fide Peanut Scale models No laughing matter say Try challenging event some time see long can keep straight face avoid good belly laugh two Chuck Markos grooved little Gone Goose clone around course blistering 142 mph 601 sec required two laps take first over Bill Hendersons next-best effort 150 Model Aviation Order Send price kit plus $390 d credit card orders Send shipments
Edition: Model Aviation - 1985/10
Page Numbers: 60, 61, 78, 150
H t &Scale Bill Warner THE CASE incredible shrinking ribs have just opened new kit carefully sealed factory protection appears order cant wait get building However after cutting out ribs laying over plan note horror ribs eighth inch too short Has printwood dried out shrunk Has plan swelled up guy drew both practi cal joker What nowtake back Stuart Hersey 15 newcomer Scale writes common ailment Hav ing just bought kit myself exactly same problem am led believe may widespread phe nomenon suspect cause using different methods print wood print plan Most us have experience Xerox copy being different scale original have large prints grow few percentage points printers before What Well can always Xerox ribs other parts plan theyre making sure Xerox set 11 wipe thinner across back copy applied sheet balsa either fresh sheet back short-ribbed Allow dry peel offand youll have new right-on set parts second way use pin down leading edge glue short ribs allowing trailing edge fall will Once wing plane wont noticeable Superscale nuts will object dont build kits anyway Maybe best way measure printwood plan ribs before plunk down money first place Plasti-Dip trade name liquid Mac McJunkin Riverside CA has unique method constructing fuseiage naceile structures have rounded cross sec tions uses cardboard jigs coated wax stuck together aid smail soidering iron bulkhead rings iaminated around cardboard former stringers added glue dries jig-rod remove rest jig broken apart tweezers extricated completed structure great Beli Airacuda L constructed using scheme weighs mere four oz files beautifully Rubber winds front 3 Frances Emmanuel Flilon uses novei way mount wing stuts L Flattened aluminum tube cemented fuselage structure tiny siot locks hump wire fitting Pat Daliys Brewster Buffaic R looks fat lazybut its design has dusted-off sleeker ship its day Nice construction technique eh Photo Tom Schmitt 60 Model Aviation Bill has lot say column about use Piasti Dip make Scaie wheels look much realistic thin out product swirl balsa wheels get smooth thin coating tires can lifetime supply Left Famous Goon racer Art Chester modeled Rev Bill Anderson flies wlht Erie PA Model Aircraft Assoc holds twice-a-year Indoor meets gym Edinboro University Sitewas obtalnec through Delta Dart programPhoto Ross Mayo Right Dick Howards sub-Peanut Gee Bee Z isa great flier outdoors Engine canopy prop formed cottage cheese tub cover Cute Weighs five grams gao makes super-looking longlasting tires balsa wheels found local hardware store though seem loathe carry black first tried last summer nice results problem being its consistency tending bit heavy Nine months sitting shelf saw can Plasti-Dip still usable though its contents shrunk some 50% Folding nitrate dope thinner lots lots patience brought up top again No skin formed material some paint tends cut off bottom soda can filled about 3/4-full stilltoo-thick goo thinner added until practice wheel spun very slowly got coating big glob remaining spin overlapped happened wheel would wiped off thinner added Best results obtained wheel sanded smooth two coats sealer nitrate dope talcum added get good grain-free surface spin goo Thicker coats hide balsa grain add weight found best results came rather thin mixture two three coats allowing dry few hours between coats wheel has stick serted center hole can easily Continued 2ge 78 Loren Williams lofts %2-scale 1916 Rumpler 6B1 Taft CA flying site Its rock-steady air has 440 sq wing surface flies about minute big prop has pulled forward % against rubber motor Canadas Dick Allen woke sound sleep sketched dream us October 1985 61 FF Duration/Meuser Continued page 59 Helicopter hand-launched glider life conventional boomerangs fly about 12 seconds have tried get fly longer am told have made flights exceeding minute has flown about three minutes although might have volved assistance thermal Such long flights seems imply flight mechanism helicop ter rather autogiro least later flight initial rotational momentum wanes Maple seeds know about Amusing yawn say what has got winning Free Flight contests Perhaps nothing nothing Hand-Launched Glider rules would prevent boomer ang competing one-to-threeminute flights made under Indoor flying conditions boomerangs could threat life-style Indoor HL Glider enthusiasts made thermal assistance bit development Free Flighters boomerang might competitive conventional HLG aircraft unlikely seems have nothing against boomerangs fly bit myself hope have time take whack developing ones maximum time flight However dont think have place Free Flight competition know cher ish next rules-change cycle Ill propose boomerangs prohibited HLG competition Comments Flapping good circulation Ac cording clip saw newsletter fellow name Professor Maxworthy yes Free Flighters thats real name University Southern Cali fornia has studying heck out insects hover effectively Using large mechanical models flying sea glycerine presumably get Reynolds number right finds using clap fling technique wasps such can develop five six times lift conventional aircraft wings Im quite sure what means could have told professor right off conventional fixed wings wont lift much hovering flight clap-andfling business amounts wing tips coming contact nearly top bottom stroke Its good circulationof air isor something like circulation spells lift Well seems work model planes tooOrnithopter models conventional monoplane type rather biplanes havent heard Al Rohrbaugh has getting over 10 minutes ornibipe just double what would have considered virtually impossible two three years ago quantum leap can recall Free Flight since invention glow plug ornibipes wings flap out phase tips come together second stroke could part explanation Als success another part might lie fact flapping isnt completely out phase1800 isbut like 900 out con ventional thopter about fourth turn crank occupied simply changing direction flap up down happens twice per crank revolution Nothing much useful form lifting propelling aircraft accomplished during reversal yet quarter-turns use up much energy rubber motor ones work useless part energy goes making wavessound waves last time saw silent Ornithopter machine having two wings hooked common crankshaft wing making its flapping reversal other mid-stroke absorbing energy usefully would work tandem-wing models well course clap-and-fling effect would absent biplane flapper Reg Parham England appeared Frank Zaics old Yearbooks Recently following dis cussions Parham Pat Deshaye US quite some success configuration found 900 phasing work far better 1800 Curt Stevens kids cant remember set Outdoor record biplane thopter rather different sort top wing side continuous bottom wing other side wings teeter-tottered Another thing about thopters Clever alliteration eh conventional monoplane thopter tend think wing moving up upstroke down downstroke isnt simple order ver tical forces balance including effective force represented mass vertical acceleration parts wing tips go down fuse lageand center part wing along itmust go up Nature wouldnt have other way Hewitt Phillips will tell about paper published 1985 NFFS Symposium Report will published about Nats time wonder long will before some nut proposes ban biplane thop ters AMA competition Probably Book review Models Musings Bill Hannan Editors note maybe should have Models Meusings RMcM Another year another Hannan book consisting non-scale low-key fun machines bit different recent Scrapbook Scale series Eighteen full-size plans presented along appropriate construction arti cles 14 rubber-powered models including two basic biplanes two profile helicop ters Escondido Mosquito String less Wonder flying disc canard tiny rubber-power model FAI Power model whimsical Bostonian plus four simple gliders along lots typically-Hannan philosophical tidbits wit humor 56 pages 8A x 11 55 photos 30 draw ings soft cover price $895 bookshop hobby shop doesnt carry order directly publisher W C Hannan Graphics PO Box Escondido CA 92025 Include $1 postage handling plus 6% sales tax live California Bob Meuser 4200 Gregory St Oakland CA 94619 FF Scale/Warner Continued page 61 handled coated wheel should spun using axle until dry enough set aside thorough drying Spin couple minutes let stuff stop moving wheel two-inch wheel takes about 20 seconds slow turn goo get well-coated thinned material provides flatfinish perfect rubber appearance instead right-out-of-the-can gloss finish thick material Extra Plasti-Dip should poured back can future use Youll have need can use coat screwdrivers pliers handles waterproof electrical stuff dip rubber hand-grips joysticks million other fun things Storing can upside down may retard thinner evap oration make sure its larger emptycan just case leaks Plasti-Dip available local hardware parts store can located via PDI Inc 1458 West Country Road C St Paul MN 55113 phone 612 633-9633 Mcjunkin jig No cant dance it may prove value next time have make round-type fuselage nacelle Bob Meuser mention ed August column saying too complicated describe Well Bob will glad send Xerox entire process send him large SASE meantime photo should get old-timers going Begin ners may want stick old half shell number la Guillows kits Basically process consists heavy cardboard templates bulkhead sta tion threaded 1/4-in dowel align ment bulkhead formers have first dipped melted wax Spacer pieces Continued page 148 78 Model Aviation FIJNtprl HLA08 Hobby Lobby RCM FUNSTER 40$6450 72 wing span 840 sq wing area 575 pounds approximate weight 1575 oz per sq ft wing loading fuselage length 55 4 preferably 5 6 channels 40 engine Conventional balsa plywood model airplane kit based upon construction article RCM FF Scale/Warner Continued page 78 between similarly coated entire assemblage tacked together soldering iron next step wrap thin strips 1/32-in balsa has soaked drawn through some Titebond glue couple turns around bulkhead former After dry longeron strips added tacking balsa ring ap propriate location CyA touching joint tiny bit Tite bond just make sure last step fun gently breaking apart waxwelded jig inside new fuselage After gently twisting out 1/4-in dowel pair tweezers used extracting former bits between stringer gaps can reused again again Great idea get multiple nacelles floats dual fuselages Dick Howard Lake Havasu AZ has magic touch Whether flying Gee Bee twin-rubber marvels has full attention everyone site performs secrets success has cot tage cheese Well exact cottage cheese containersthe ones made thin plastic sorts neat things can made uses lids heat-forming mater ial vacuforms pilot busts radial engine facades like curved tub mined prop blades cutting out rounded sides about 150 angle off vertical left beautifully preformed Peanuts as-is Larger models use two thicknesses lamination being accomplished deft swipe acetone-dampened cloth across piece slapping other Dont use too much youll dissolve lot finished blades can glued hub spinner indestructible Wing-bracing struts can headache unless plan ahead wings glued solidly perhaps tiny screws very least little wire pins help glue joints hold up case crash helpful Struts add strength expedient gluing end let ting extend fuselage wing will tear off tissue crash usually wise Knockoff wings bit harder save much time pain long run Struts have knockoff too often just coming back poke holes covering Anchoring hinge points end will help will least have 5Oo-chance punching holes bad situation handle plug-in end Emmanuel Fillons Petit Brochet plan showed way have used couple times great results Take short bit aluminum tubing 1/16-in diameter models up 36-in span flatten oblong shape will allow 015-in diameter music wire male plug enter male plug made like bobby pin little bump catch flat notch filed edge tubing made deep enough let bump engage inside lock bobby pin clip glued strut tube roughed up glued attachment point fuselage careful get glue inside tube locking slot Testors green tube glue works best easily controlled CyA epoxy Make practice rig scrap first get hang Its great way go Well gang famous miner once said Keep yer eye scale Bill Warner 423-C San Vicente Blvd Santa Monica_CA 90402 US Indoor/Clemens Continued page 64 duration visual delight fourwinged canard Ornithopter pulsed through air series flights riveted attention jaded Indoor buffs 16-gram beauty took first high time 546 reminding some lookers alien aquatic creature model aircraft Les Garber using uniquely-simple drive mechanism own design also employed four-wing format fly 437 second place Joe Krush third 309 Juergen Kortenbach fourth 235 Certainly Ornithopter seems have shed its en dangered species status Autogyro competition three fliers signed up little-understood class Larry Loucka won winged gyro did 627 Don Slusarzyk second 137 Bill Franklin slipped third brief 0024 Its often much collective laugh ter heard Indoor meet USIC its share afternoon Unlimited Peanut Rubber Speed events being hotly-contested end mammoth hall Models flying event required ROG unassisted three-point stance fly two laps around course marked pylons 20 ft apart strings hung helium-filled balloons restrictions model rubber-powered propellerdriven Models Peanut Speed event must qualifr bona fide Peanut Scale models No laughing matter say Try challenging event some time see long can keep straight face avoid good belly laugh two Chuck Markos grooved little Gone Goose clone around course blistering 142 mph 601 sec required two laps take first over Bill Hendersons next-best effort 150 Model Aviation Order Send price kit plus $390 d credit card orders Send shipments
Edition: Model Aviation - 1985/10
Page Numbers: 60, 61, 78, 150
H t &Scale Bill Warner THE CASE incredible shrinking ribs have just opened new kit carefully sealed factory protection appears order cant wait get building However after cutting out ribs laying over plan note horror ribs eighth inch too short Has printwood dried out shrunk Has plan swelled up guy drew both practi cal joker What nowtake back Stuart Hersey 15 newcomer Scale writes common ailment Hav ing just bought kit myself exactly same problem am led believe may widespread phe nomenon suspect cause using different methods print wood print plan Most us have experience Xerox copy being different scale original have large prints grow few percentage points printers before What Well can always Xerox ribs other parts plan theyre making sure Xerox set 11 wipe thinner across back copy applied sheet balsa either fresh sheet back short-ribbed Allow dry peel offand youll have new right-on set parts second way use pin down leading edge glue short ribs allowing trailing edge fall will Once wing plane wont noticeable Superscale nuts will object dont build kits anyway Maybe best way measure printwood plan ribs before plunk down money first place Plasti-Dip trade name liquid Mac McJunkin Riverside CA has unique method constructing fuseiage naceile structures have rounded cross sec tions uses cardboard jigs coated wax stuck together aid smail soidering iron bulkhead rings iaminated around cardboard former stringers added glue dries jig-rod remove rest jig broken apart tweezers extricated completed structure great Beli Airacuda L constructed using scheme weighs mere four oz files beautifully Rubber winds front 3 Frances Emmanuel Flilon uses novei way mount wing stuts L Flattened aluminum tube cemented fuselage structure tiny siot locks hump wire fitting Pat Daliys Brewster Buffaic R looks fat lazybut its design has dusted-off sleeker ship its day Nice construction technique eh Photo Tom Schmitt 60 Model Aviation Bill has lot say column about use Piasti Dip make Scaie wheels look much realistic thin out product swirl balsa wheels get smooth thin coating tires can lifetime supply Left Famous Goon racer Art Chester modeled Rev Bill Anderson flies wlht Erie PA Model Aircraft Assoc holds twice-a-year Indoor meets gym Edinboro University Sitewas obtalnec through Delta Dart programPhoto Ross Mayo Right Dick Howards sub-Peanut Gee Bee Z isa great flier outdoors Engine canopy prop formed cottage cheese tub cover Cute Weighs five grams gao makes super-looking longlasting tires balsa wheels found local hardware store though seem loathe carry black first tried last summer nice results problem being its consistency tending bit heavy Nine months sitting shelf saw can Plasti-Dip still usable though its contents shrunk some 50% Folding nitrate dope thinner lots lots patience brought up top again No skin formed material some paint tends cut off bottom soda can filled about 3/4-full stilltoo-thick goo thinner added until practice wheel spun very slowly got coating big glob remaining spin overlapped happened wheel would wiped off thinner added Best results obtained wheel sanded smooth two coats sealer nitrate dope talcum added get good grain-free surface spin goo Thicker coats hide balsa grain add weight found best results came rather thin mixture two three coats allowing dry few hours between coats wheel has stick serted center hole can easily Continued 2ge 78 Loren Williams lofts %2-scale 1916 Rumpler 6B1 Taft CA flying site Its rock-steady air has 440 sq wing surface flies about minute big prop has pulled forward % against rubber motor Canadas Dick Allen woke sound sleep sketched dream us October 1985 61 FF Duration/Meuser Continued page 59 Helicopter hand-launched glider life conventional boomerangs fly about 12 seconds have tried get fly longer am told have made flights exceeding minute has flown about three minutes although might have volved assistance thermal Such long flights seems imply flight mechanism helicop ter rather autogiro least later flight initial rotational momentum wanes Maple seeds know about Amusing yawn say what has got winning Free Flight contests Perhaps nothing nothing Hand-Launched Glider rules would prevent boomer ang competing one-to-threeminute flights made under Indoor flying conditions boomerangs could threat life-style Indoor HL Glider enthusiasts made thermal assistance bit development Free Flighters boomerang might competitive conventional HLG aircraft unlikely seems have nothing against boomerangs fly bit myself hope have time take whack developing ones maximum time flight However dont think have place Free Flight competition know cher ish next rules-change cycle Ill propose boomerangs prohibited HLG competition Comments Flapping good circulation Ac cording clip saw newsletter fellow name Professor Maxworthy yes Free Flighters thats real name University Southern Cali fornia has studying heck out insects hover effectively Using large mechanical models flying sea glycerine presumably get Reynolds number right finds using clap fling technique wasps such can develop five six times lift conventional aircraft wings Im quite sure what means could have told professor right off conventional fixed wings wont lift much hovering flight clap-andfling business amounts wing tips coming contact nearly top bottom stroke Its good circulationof air isor something like circulation spells lift Well seems work model planes tooOrnithopter models conventional monoplane type rather biplanes havent heard Al Rohrbaugh has getting over 10 minutes ornibipe just double what would have considered virtually impossible two three years ago quantum leap can recall Free Flight since invention glow plug ornibipes wings flap out phase tips come together second stroke could part explanation Als success another part might lie fact flapping isnt completely out phase1800 isbut like 900 out con ventional thopter about fourth turn crank occupied simply changing direction flap up down happens twice per crank revolution Nothing much useful form lifting propelling aircraft accomplished during reversal yet quarter-turns use up much energy rubber motor ones work useless part energy goes making wavessound waves last time saw silent Ornithopter machine having two wings hooked common crankshaft wing making its flapping reversal other mid-stroke absorbing energy usefully would work tandem-wing models well course clap-and-fling effect would absent biplane flapper Reg Parham England appeared Frank Zaics old Yearbooks Recently following dis cussions Parham Pat Deshaye US quite some success configuration found 900 phasing work far better 1800 Curt Stevens kids cant remember set Outdoor record biplane thopter rather different sort top wing side continuous bottom wing other side wings teeter-tottered Another thing about thopters Clever alliteration eh conventional monoplane thopter tend think wing moving up upstroke down downstroke isnt simple order ver tical forces balance including effective force represented mass vertical acceleration parts wing tips go down fuse lageand center part wing along itmust go up Nature wouldnt have other way Hewitt Phillips will tell about paper published 1985 NFFS Symposium Report will published about Nats time wonder long will before some nut proposes ban biplane thop ters AMA competition Probably Book review Models Musings Bill Hannan Editors note maybe should have Models Meusings RMcM Another year another Hannan book consisting non-scale low-key fun machines bit different recent Scrapbook Scale series Eighteen full-size plans presented along appropriate construction arti cles 14 rubber-powered models including two basic biplanes two profile helicop ters Escondido Mosquito String less Wonder flying disc canard tiny rubber-power model FAI Power model whimsical Bostonian plus four simple gliders along lots typically-Hannan philosophical tidbits wit humor 56 pages 8A x 11 55 photos 30 draw ings soft cover price $895 bookshop hobby shop doesnt carry order directly publisher W C Hannan Graphics PO Box Escondido CA 92025 Include $1 postage handling plus 6% sales tax live California Bob Meuser 4200 Gregory St Oakland CA 94619 FF Scale/Warner Continued page 61 handled coated wheel should spun using axle until dry enough set aside thorough drying Spin couple minutes let stuff stop moving wheel two-inch wheel takes about 20 seconds slow turn goo get well-coated thinned material provides flatfinish perfect rubber appearance instead right-out-of-the-can gloss finish thick material Extra Plasti-Dip should poured back can future use Youll have need can use coat screwdrivers pliers handles waterproof electrical stuff dip rubber hand-grips joysticks million other fun things Storing can upside down may retard thinner evap oration make sure its larger emptycan just case leaks Plasti-Dip available local hardware parts store can located via PDI Inc 1458 West Country Road C St Paul MN 55113 phone 612 633-9633 Mcjunkin jig No cant dance it may prove value next time have make round-type fuselage nacelle Bob Meuser mention ed August column saying too complicated describe Well Bob will glad send Xerox entire process send him large SASE meantime photo should get old-timers going Begin ners may want stick old half shell number la Guillows kits Basically process consists heavy cardboard templates bulkhead sta tion threaded 1/4-in dowel align ment bulkhead formers have first dipped melted wax Spacer pieces Continued page 148 78 Model Aviation FIJNtprl HLA08 Hobby Lobby RCM FUNSTER 40$6450 72 wing span 840 sq wing area 575 pounds approximate weight 1575 oz per sq ft wing loading fuselage length 55 4 preferably 5 6 channels 40 engine Conventional balsa plywood model airplane kit based upon construction article RCM FF Scale/Warner Continued page 78 between similarly coated entire assemblage tacked together soldering iron next step wrap thin strips 1/32-in balsa has soaked drawn through some Titebond glue couple turns around bulkhead former After dry longeron strips added tacking balsa ring ap propriate location CyA touching joint tiny bit Tite bond just make sure last step fun gently breaking apart waxwelded jig inside new fuselage After gently twisting out 1/4-in dowel pair tweezers used extracting former bits between stringer gaps can reused again again Great idea get multiple nacelles floats dual fuselages Dick Howard Lake Havasu AZ has magic touch Whether flying Gee Bee twin-rubber marvels has full attention everyone site performs secrets success has cot tage cheese Well exact cottage cheese containersthe ones made thin plastic sorts neat things can made uses lids heat-forming mater ial vacuforms pilot busts radial engine facades like curved tub mined prop blades cutting out rounded sides about 150 angle off vertical left beautifully preformed Peanuts as-is Larger models use two thicknesses lamination being accomplished deft swipe acetone-dampened cloth across piece slapping other Dont use too much youll dissolve lot finished blades can glued hub spinner indestructible Wing-bracing struts can headache unless plan ahead wings glued solidly perhaps tiny screws very least little wire pins help glue joints hold up case crash helpful Struts add strength expedient gluing end let ting extend fuselage wing will tear off tissue crash usually wise Knockoff wings bit harder save much time pain long run Struts have knockoff too often just coming back poke holes covering Anchoring hinge points end will help will least have 5Oo-chance punching holes bad situation handle plug-in end Emmanuel Fillons Petit Brochet plan showed way have used couple times great results Take short bit aluminum tubing 1/16-in diameter models up 36-in span flatten oblong shape will allow 015-in diameter music wire male plug enter male plug made like bobby pin little bump catch flat notch filed edge tubing made deep enough let bump engage inside lock bobby pin clip glued strut tube roughed up glued attachment point fuselage careful get glue inside tube locking slot Testors green tube glue works best easily controlled CyA epoxy Make practice rig scrap first get hang Its great way go Well gang famous miner once said Keep yer eye scale Bill Warner 423-C San Vicente Blvd Santa Monica_CA 90402 US Indoor/Clemens Continued page 64 duration visual delight fourwinged canard Ornithopter pulsed through air series flights riveted attention jaded Indoor buffs 16-gram beauty took first high time 546 reminding some lookers alien aquatic creature model aircraft Les Garber using uniquely-simple drive mechanism own design also employed four-wing format fly 437 second place Joe Krush third 309 Juergen Kortenbach fourth 235 Certainly Ornithopter seems have shed its en dangered species status Autogyro competition three fliers signed up little-understood class Larry Loucka won winged gyro did 627 Don Slusarzyk second 137 Bill Franklin slipped third brief 0024 Its often much collective laugh ter heard Indoor meet USIC its share afternoon Unlimited Peanut Rubber Speed events being hotly-contested end mammoth hall Models flying event required ROG unassisted three-point stance fly two laps around course marked pylons 20 ft apart strings hung helium-filled balloons restrictions model rubber-powered propellerdriven Models Peanut Speed event must qualifr bona fide Peanut Scale models No laughing matter say Try challenging event some time see long can keep straight face avoid good belly laugh two Chuck Markos grooved little Gone Goose clone around course blistering 142 mph 601 sec required two laps take first over Bill Hendersons next-best effort 150 Model Aviation Order Send price kit plus $390 d credit card orders Send shipments