RADIO CONTROL SLOPE SOARING Viking Models USA cottage industry specializing manufacture epoxy fiberglass-reinforced fuselages vacuum-formed model parts has moved 2 Broadmoor Way Wylie TX 75098-7803 recent move has given company room opportunity further expand business reach Viking can call 214 442-3910 fax line also available 214 442-5258 Viking Models VM has business quite some time over years has gained reputation manufacturer caters individual flier its brochure Viking points out orders filled individual basis no high-volume production Jerry Slates owner cottageindustry shop feels can maintain high quality control fiberglass fuselage formed product produce using individual approach VM manufacturer number different model fuselages produces scale thermal slope gliders So pretty much has something everyone send information packet will see Viking produces fuselages such Smoothie would work quite well slope aerobatics Dave Woods outstanding aerobatics pilot has built some exceptional models using Smoothie fuselage Viking aiso offers couple F3B-type fuselages might well suited slope racing Likewise interested scale models Viking offers such fuselages Libelle Kestral Give Jerry call write information might want ask him about molds has stashed away future production Ron Vann Flite Lite Composites called let know Flite Lite s race team would coming 1993 Mid-Columbia Cup races course conversation about what hot racing 1993 Ron informed Flite Lite will offering new all-molded F3B competition soarer model Ron speaking nowfamous F3B Eagle Joe Wurts flew win 1991 World Championships F3B Eagle comes equipped RG-15 airfoil Ron tells Joe feels airfoil best possible choice F3B model because thermals well because fast speed task new model slated weigh approximately 70 ounces ready fly quite light all-molded airplane especially F3B Flite Lites designer Mark Allen contends spite light weight airplane very strong model sounds like super airplane Ron has promised send closer inspection will pass along pictures three-view details future column Since slope column thermal column should probably tell Rite Lite also selling model full-blown racer Because Eagle designed F3B aircraft aiso designed F3B speed task already know F3B Eagle extremely fast world competition remains seen Eagle will perform Mid-Columbia Cup falr say Joe Wurts flying will very hard beat Mark Allen feels some features built Eagle will provide edge over competition both F3B SR has worked hard build wings stabs nearly razor-sharp trailing edges airfoils accurate third decimal place Consequently racing cup tea F3B Eagle may just exciting high-quality almost-ready-tofly race ship youve hoping need information would like place order Rite Lite Composites address PO Box 311 Windsor CA 95492 telephone/fax number 707 838-9020 way Ron says all-molded F3B Eagle will cost enthusiasts approximately $900 plus shipping bit expensive think about much time would take scratch-build model like Eagle Weston Aerodesign Company WACO builders designers Magic MldI 010 Full __ 1 L 1619 40 upper line top surface template wire lead point cut bottom surf ace first allow thickness wire due wire burn Al low about 01 inch increase thickness trailing edge wire burn ILi LiZIZI Ill K K LILIIII lower line template wire lead lower template foam core cut full size extending pest wire will enter foam result leading edge slightly squared leading edge will sanded shape before bagging Examples two-piece rib templates used cut foam wing cores Author gives step-by-step instructions text 94 Model Aviation om foam-cutting template held place large block lead prevent core slippage cutting Template used cut upper airfoil profile pinned securely foam core accurate cuffing Cut bottom profile first 062 1000 WACO series gliders Electric models offering some great products RC sailplane enthusiasts too received catalog few days back browsed through Much enjoyment found number items slope soaring enthusiasts will interested Topping list special items Westons style 1012 graphite/Kevlar fabrica composite fabric made both Kevlar graphite unidirectional carbon light Kevlar fill weighs 29 ounces per square yard Weston offers 50-inch widths $35 yard Weston also has new super material Spectra Spectras claim fame its high tensile strength material supposedly significantly stronger Kevlar same weight Frank Weston points out because material thicker Kevlar will absorb resin As result model parts bagged molded material will somewhat heavier Nonetheless Frank says used right areas quite benefit models durability suggests employed model would wise use weak areas fuselage leading edges vacuum-bagged wings lightweight glass Weston stocks also attracted eye -ounce B-glass excellent material very light lay-ups exceptionally good veil cloth vacuumContinued page 124 September 1993 95 Get RV guide tailoed fit needs Radio Contml Buyers Guide 16th Edition et RIG product source thats tuned toyo needs CJthe Radio Con frol Buyers Guide 16th Edition handy reference guide thousands products facet RIG modeling Radio Control Buyers Guide covers RIG hobbies including planes helicopters cars monster trucks boats engines radios field accessories d tools d years guide custom tailored fit uests finished creations color Showcase sections greater number how-to articles Plus new companies expanded line entry level cars competition level trucks make guide RIG reference youve waiting Get RIG guide perfect fitthe Radio Control Buyers Guide Available November 1992 #12110$1195 Look book local hobby shop call toll free 800-533-6644 24 hours day Please have credit card ready Fax 414-796-0126 Outside US Canada call 414-796-8776 Include postage handling US $300 outside US add 18/o mm $400 Wisconsin residents add 5% sales tax total Canadian orders add 7% GST total Payable US funds Prices availability subject change Kaimbach Publishing Co Dept X0598 21027 Crossroads Circle PO Box 1612 Waukesha WI 53187-1612 Dept X0598 Above Doug Cheneys Tucano P55 model about launched site near Boise Idaho Model fast flew very well Right At beautiful sites along Oregons coast Roy Smiths Swift 400 challenged real peregrine falcon RC Slope SoaringlByors Continued page 95 bagging wings veil cloth material employed exterior lamination vacuum-bagged wing help reduce typical pinholes associated bagging WACO also has 14-ounce E-glass 31-ounce crows-foot-weave glass 38inch widths arent familiar crows-foot weave woven wraps around corners forms contours much easily plain weave Another product should interest modelers WACOs style 120 Keviar available both 50- 60-inch widths material boasts weave weight 17 ounces per square yard looking good source materials parts write WACO 944 Placid Court Arnold MD 21012 Tel 410 757-8580 fax requests 410 974-0968 suggestion about buying stocking glass products model projects Label material before storing know sounds kind obvious however simple task can slip ones mind anxiously unpacking storing different weights weaves material later use Labeling also necessary because often very hard distinguishat later datebetween materials very nearly same weight want build proper material task must know material Right label materials some later date reach roll fiberglass bought six months earlier will easy identify what weight weave Scale Model Researchs SMR out standing new catalog out includes 132 pages documentation photo packs has largest collection scale detail US world Bob Banka owner SMR has adding collection number years has amassed collection 4000-plus photo packs 22000 three-view drawings addition SMR has adding its documentation gliders sailplanes now undoubtedly largest single source documentation scale sailplane enthusiasts Bob lists 200 sailplanes photo pack collection alone Add three-views offer ing have super selection choose start scale project upcoming scale rally So need foto-paaks Bob calls three-view drawing Scale Model Researchs new catalog certainly worth $5 Write SMR 2334 Ticonderoga Way Costa Mesa CA 92626 call 714 979-8058 Over last decade foam-core wings have become common fare among new-age models Nowhere else apparent model soaring community wings vacuum-bagged completely sheeted over foam Sailplane builders have pioneered foam-core wings modelers like Jerry Nelson KA-6 fame employing foam-cut wings early 1968 introduced amazing process foam cutting 1976 longtime friend model builder Mr Jeff Breese Since time have cut many foam cores As might imagine technique cutting foam-core wings has changed over years have other sallplaners changes have come more accurate cores result more accurate airfoils wings models techniques have become refined builders now vacuumbagging wings razor-sharp trailing leading edges near-perfect copies plotted sections create such cores modeler must have accurate functional tools Possibly important tools process cuffing templatesthey extremely important new age model building simple templates often taken granted experienced builders builder new hobby hasnt taken plunge fine art cutting foamcore wings template design may very well area discovery So lets have bit discourse make templates cutting foam-core wings Over years have used different types templates cutting wire foam After number trials errors successes appears technique employ relatively sound say isnt room improvement just believe procedure now much improved early attempts Also much technique now employ has gleaned other build ers produced better cores did simply cloned ideas process technique has benefitted stolen ideas Foam selection also very important part process creating good cores foam recommend now-famous Styrofoam manufactured Dow product has density 18 pounds per cubic foot has compressive strength 40 psi @ 10% deformation comes sheets 2 inches x 2 feet x 8 feet 4 inches x 2 feet x 8 feet cost typically $24 sheet two-inch thick about $32 sheet fourinch price can certainly vary shop around purchasing foam sure ask virgin foam since some companies will sell rebond foam often has small chunks foam imbedded chunks can cause cut less satisfactory cutting wire suggested 020 stainless steel used Although experience nichrome wire has good stainless may better choice since will stretch much suggested supplier foam cutting bagging supplies Aerospace Composites Aerospace has good line supplies George owner very helpful fellow Aerospaces address PO Box 16621 Irvine CA 92714 Tel 714 250-1107 Aerospace can provide power supply heating wire Call ask George what need Tell him read about line products MA Now what material should used make templates debatable Ive tried number materials including aluminum plastic plywood epoxy circuit board material choice now Formica Formica Well Formica easy get cut sand its quite stiff also very smooth finish- sanded 600-grit wet-or-dry sandpaper wont absorb too much heat wire like aluminum Nor does have tendency cause wire drag like plywood No Formica smoothand smoothness extremely important cutting accurate cores since irregularity template will result blemished core Therefore using Formica properly sanded edge wire rides will assist creating wave-free accurate corescores have superfine trailing edges great leading edges Most foam-cutting processes have seen employ two methods creating foam-core templates uses template cut both top bottom airfoil foam other uses two twotemplate method uses bottom template cut profile bottom surface airfoil top template cut upper surface airfoil method presented because believe twotemplate method canand does prepared used properlyproduce better leading trailing edges make templates Simple Begin either drawing plotting airfoil choice sure plot airfoil cutting stations cuffing hand Next make some extra copies plots extra copies used reference copy bottom surface template top surface template cut appropriate number Formica pieces templates case single tapered wing will need four pieces width airfoil plus height template will up foam Allow enough material chord line airfoil approximately centered foam core Additionally Formica will need extend beyond airfoil least inch front leading edge inch past trailing edge After cuffing Formica apply some double-sided tape to hold drawing place Super tape works great task too Formica can cut template shape After template rough cut sanded reference lines create 124 Model Aviation drI1I RIC 1db-Bar Glow Plugs Also.Long Short$209 Traditional line non-idle bar Glow Plugs Six Types 3 Heat Ranges HIgh Performance Glow Element Blow Proof Seal Only $169 Swanson Associates PO Box 151 Wayne NJ ce 7948 07470 4000 different22000 3-view drawings euler FOTO-PAAKS Including kOkUFAN Antiques Military Civilian Helicopters Sailpianes CataIaguido $500Over. $1000 airfoil shape leave airfoil patterns template after have sanded no way harms usefulness template provides reference station lines aligning template foam After templates sanded accurately cutting edge polished unblem ished surface wire ride station lines should marked reverse side Once lines have added tem plates least two holeslarge enough fit T-pins throughmust drilled below airfoil location facilitate attachment foam T-pms work great easy find workbenches attach template foam simply align templates foam block has cut wings shape push pin through attachment hole until template finnly held place now ready begin cutting foam core sheeting vacuum-bagging rocket science proper templates can certainly make cutting good core whole bunch easier Study CAD drawings templates will understand made used couple tricks cutting cores may help would like pass first wax cutting edge foam-core template wax isnt special kind just mold-release wax some type automobile wax As might imagine waxing helps wire move smoothly along template result wire glides rather drags along template edge always cut bottom surface first because core will drop cut wire allowing wire burn Also sure weight core down building surface properly does move during cutting process Any movement core during cut will almost certainly result blemished core sure adjust temperature cutting wire piece scrap foam before starting cut actual wing core wire proper temperature will make what callfor lack better termlong wispy runners runners look much like cotton candy seem reliable indication wire temperature right Cutting cores leading edge trailing edge preferableespecially trying get sharp trailing edges Once have completed above steps shouldnt have major problems cutting great cores suggest cut few small ones first practice because cost foam can add up Have fun can help drop line give call Roy Smith Kelseyville California sent note few months back couple great pictures Heres want share Roy says picture taken last fall trip up Oregon coast flying Flite Lite Compositess Swift 400 peregrine falcon joined particular flight stayed approximately five six minutes As long plane moving speed would stay approximately two feet behind As turned wind slowed would drop talons approach very close real thrill Hey picture superb suppose falcon love Mark Allen design did falcon think V-tailed Swift making inappropriate advances maybe being too swift Fun picture want great vacation some super slope soaring number good sites along Oregon coast some simply pull over side road slope bluff have soared model long enough just land beautiful sandy beach airfoil month S-6062 thicker relative Selig 60638% stead 7% thickalso designed Michael Selig meet needs slope soarers want cruise bit faster SD-6060 much better airfoil turning 6063 because additional thickness may great section slope racing would imagine however section preferable long race course rather short because section 8% thick result its drag bucket will rise little steeply 9%-thick S-6061 Therefore logic goes long course turns will allimportant straightaways model will building speed model can suffer bit turns faster time straights like give try let know what think dont build racer blow past competition Let know what happening sloping adventures Okay See next time PrecisionSped alizktg inFUTURISTIC DUCTED FAN CONSTRUCTION VIDEO Precision MachiningAn Affordable Revolutionary way build ducted fan delta conard R C Aircrah Vectored Throat 21 Years BuslneaaProf olype Video takes step step computer design 5 years i Machiningconstruction actual flight mdngDesigned easy building high & low speed 7601 5 W 9th StreetJig Boringmanueverability vertical flight capability & lightweight N Lauderdale FL 33068 NC Fixtures EE details write Calf OtJOte Custom Design Pans Mirage Video Productions 305 7224896Custom Tools 2 Hinricha Pt Ste 2 Bloomfield NJ 07003 use 1fle 1 Electric Connector fated 30 tnpt Ott ftC turtrnal tenstanre Ott Mkrrtnt MoaalarCs-ordinater Hatrt 1 Sermos Super Connector Lifetime Guarantee $5Ot per packst 2 Sermos Super Charging Jack Lifetime Guarantee $550 per packet 3 Sermoa Standard Connector $400 per packet 4 Sermoa Standard Charging Jack $450 per packet 5 Sermos Standard Arming Switch $400 per packet 6 Sarmoa tnaertion & Extraction Toot $800 per tool Mimimun Order $1 500 PLUS $200 Shipping Handeling Only Certified Checks Money Orders accepted payment orders Distributors Dealers Inquiries Invited Please call 203 322-82g4 farther information S~MSR/C SNAP CONNECTORS INC Cedar Corners Station Box 16787 Stamford CT 06905 Seven models available weigh both gins & oze High accuracy guaranteed tare have strain gage transducers Whether build indoor models big birds between have scale Send #10 SASE brochure Discount prices $9900 up $24750 Includes AC adaptor UPS 1 yr warrantee Champion Model Products 880 Carmen Court La Verne CA 91750 909 599-3348
Edition: Model Aviation - 1993/09
Page Numbers: 94, 95, 124, 126
RADIO CONTROL SLOPE SOARING Viking Models USA cottage industry specializing manufacture epoxy fiberglass-reinforced fuselages vacuum-formed model parts has moved 2 Broadmoor Way Wylie TX 75098-7803 recent move has given company room opportunity further expand business reach Viking can call 214 442-3910 fax line also available 214 442-5258 Viking Models VM has business quite some time over years has gained reputation manufacturer caters individual flier its brochure Viking points out orders filled individual basis no high-volume production Jerry Slates owner cottageindustry shop feels can maintain high quality control fiberglass fuselage formed product produce using individual approach VM manufacturer number different model fuselages produces scale thermal slope gliders So pretty much has something everyone send information packet will see Viking produces fuselages such Smoothie would work quite well slope aerobatics Dave Woods outstanding aerobatics pilot has built some exceptional models using Smoothie fuselage Viking aiso offers couple F3B-type fuselages might well suited slope racing Likewise interested scale models Viking offers such fuselages Libelle Kestral Give Jerry call write information might want ask him about molds has stashed away future production Ron Vann Flite Lite Composites called let know Flite Lite s race team would coming 1993 Mid-Columbia Cup races course conversation about what hot racing 1993 Ron informed Flite Lite will offering new all-molded F3B competition soarer model Ron speaking nowfamous F3B Eagle Joe Wurts flew win 1991 World Championships F3B Eagle comes equipped RG-15 airfoil Ron tells Joe feels airfoil best possible choice F3B model because thermals well because fast speed task new model slated weigh approximately 70 ounces ready fly quite light all-molded airplane especially F3B Flite Lites designer Mark Allen contends spite light weight airplane very strong model sounds like super airplane Ron has promised send closer inspection will pass along pictures three-view details future column Since slope column thermal column should probably tell Rite Lite also selling model full-blown racer Because Eagle designed F3B aircraft aiso designed F3B speed task already know F3B Eagle extremely fast world competition remains seen Eagle will perform Mid-Columbia Cup falr say Joe Wurts flying will very hard beat Mark Allen feels some features built Eagle will provide edge over competition both F3B SR has worked hard build wings stabs nearly razor-sharp trailing edges airfoils accurate third decimal place Consequently racing cup tea F3B Eagle may just exciting high-quality almost-ready-tofly race ship youve hoping need information would like place order Rite Lite Composites address PO Box 311 Windsor CA 95492 telephone/fax number 707 838-9020 way Ron says all-molded F3B Eagle will cost enthusiasts approximately $900 plus shipping bit expensive think about much time would take scratch-build model like Eagle Weston Aerodesign Company WACO builders designers Magic MldI 010 Full __ 1 L 1619 40 upper line top surface template wire lead point cut bottom surf ace first allow thickness wire due wire burn Al low about 01 inch increase thickness trailing edge wire burn ILi LiZIZI Ill K K LILIIII lower line template wire lead lower template foam core cut full size extending pest wire will enter foam result leading edge slightly squared leading edge will sanded shape before bagging Examples two-piece rib templates used cut foam wing cores Author gives step-by-step instructions text 94 Model Aviation om foam-cutting template held place large block lead prevent core slippage cutting Template used cut upper airfoil profile pinned securely foam core accurate cuffing Cut bottom profile first 062 1000 WACO series gliders Electric models offering some great products RC sailplane enthusiasts too received catalog few days back browsed through Much enjoyment found number items slope soaring enthusiasts will interested Topping list special items Westons style 1012 graphite/Kevlar fabrica composite fabric made both Kevlar graphite unidirectional carbon light Kevlar fill weighs 29 ounces per square yard Weston offers 50-inch widths $35 yard Weston also has new super material Spectra Spectras claim fame its high tensile strength material supposedly significantly stronger Kevlar same weight Frank Weston points out because material thicker Kevlar will absorb resin As result model parts bagged molded material will somewhat heavier Nonetheless Frank says used right areas quite benefit models durability suggests employed model would wise use weak areas fuselage leading edges vacuum-bagged wings lightweight glass Weston stocks also attracted eye -ounce B-glass excellent material very light lay-ups exceptionally good veil cloth vacuumContinued page 124 September 1993 95 Get RV guide tailoed fit needs Radio Contml Buyers Guide 16th Edition et RIG product source thats tuned toyo needs CJthe Radio Con frol Buyers Guide 16th Edition handy reference guide thousands products facet RIG modeling Radio Control Buyers Guide covers RIG hobbies including planes helicopters cars monster trucks boats engines radios field accessories d tools d years guide custom tailored fit uests finished creations color Showcase sections greater number how-to articles Plus new companies expanded line entry level cars competition level trucks make guide RIG reference youve waiting Get RIG guide perfect fitthe Radio Control Buyers Guide Available November 1992 #12110$1195 Look book local hobby shop call toll free 800-533-6644 24 hours day Please have credit card ready Fax 414-796-0126 Outside US Canada call 414-796-8776 Include postage handling US $300 outside US add 18/o mm $400 Wisconsin residents add 5% sales tax total Canadian orders add 7% GST total Payable US funds Prices availability subject change Kaimbach Publishing Co Dept X0598 21027 Crossroads Circle PO Box 1612 Waukesha WI 53187-1612 Dept X0598 Above Doug Cheneys Tucano P55 model about launched site near Boise Idaho Model fast flew very well Right At beautiful sites along Oregons coast Roy Smiths Swift 400 challenged real peregrine falcon RC Slope SoaringlByors Continued page 95 bagging wings veil cloth material employed exterior lamination vacuum-bagged wing help reduce typical pinholes associated bagging WACO also has 14-ounce E-glass 31-ounce crows-foot-weave glass 38inch widths arent familiar crows-foot weave woven wraps around corners forms contours much easily plain weave Another product should interest modelers WACOs style 120 Keviar available both 50- 60-inch widths material boasts weave weight 17 ounces per square yard looking good source materials parts write WACO 944 Placid Court Arnold MD 21012 Tel 410 757-8580 fax requests 410 974-0968 suggestion about buying stocking glass products model projects Label material before storing know sounds kind obvious however simple task can slip ones mind anxiously unpacking storing different weights weaves material later use Labeling also necessary because often very hard distinguishat later datebetween materials very nearly same weight want build proper material task must know material Right label materials some later date reach roll fiberglass bought six months earlier will easy identify what weight weave Scale Model Researchs SMR out standing new catalog out includes 132 pages documentation photo packs has largest collection scale detail US world Bob Banka owner SMR has adding collection number years has amassed collection 4000-plus photo packs 22000 three-view drawings addition SMR has adding its documentation gliders sailplanes now undoubtedly largest single source documentation scale sailplane enthusiasts Bob lists 200 sailplanes photo pack collection alone Add three-views offer ing have super selection choose start scale project upcoming scale rally So need foto-paaks Bob calls three-view drawing Scale Model Researchs new catalog certainly worth $5 Write SMR 2334 Ticonderoga Way Costa Mesa CA 92626 call 714 979-8058 Over last decade foam-core wings have become common fare among new-age models Nowhere else apparent model soaring community wings vacuum-bagged completely sheeted over foam Sailplane builders have pioneered foam-core wings modelers like Jerry Nelson KA-6 fame employing foam-cut wings early 1968 introduced amazing process foam cutting 1976 longtime friend model builder Mr Jeff Breese Since time have cut many foam cores As might imagine technique cutting foam-core wings has changed over years have other sallplaners changes have come more accurate cores result more accurate airfoils wings models techniques have become refined builders now vacuumbagging wings razor-sharp trailing leading edges near-perfect copies plotted sections create such cores modeler must have accurate functional tools Possibly important tools process cuffing templatesthey extremely important new age model building simple templates often taken granted experienced builders builder new hobby hasnt taken plunge fine art cutting foamcore wings template design may very well area discovery So lets have bit discourse make templates cutting foam-core wings Over years have used different types templates cutting wire foam After number trials errors successes appears technique employ relatively sound say isnt room improvement just believe procedure now much improved early attempts Also much technique now employ has gleaned other build ers produced better cores did simply cloned ideas process technique has benefitted stolen ideas Foam selection also very important part process creating good cores foam recommend now-famous Styrofoam manufactured Dow product has density 18 pounds per cubic foot has compressive strength 40 psi @ 10% deformation comes sheets 2 inches x 2 feet x 8 feet 4 inches x 2 feet x 8 feet cost typically $24 sheet two-inch thick about $32 sheet fourinch price can certainly vary shop around purchasing foam sure ask virgin foam since some companies will sell rebond foam often has small chunks foam imbedded chunks can cause cut less satisfactory cutting wire suggested 020 stainless steel used Although experience nichrome wire has good stainless may better choice since will stretch much suggested supplier foam cutting bagging supplies Aerospace Composites Aerospace has good line supplies George owner very helpful fellow Aerospaces address PO Box 16621 Irvine CA 92714 Tel 714 250-1107 Aerospace can provide power supply heating wire Call ask George what need Tell him read about line products MA Now what material should used make templates debatable Ive tried number materials including aluminum plastic plywood epoxy circuit board material choice now Formica Formica Well Formica easy get cut sand its quite stiff also very smooth finish- sanded 600-grit wet-or-dry sandpaper wont absorb too much heat wire like aluminum Nor does have tendency cause wire drag like plywood No Formica smoothand smoothness extremely important cutting accurate cores since irregularity template will result blemished core Therefore using Formica properly sanded edge wire rides will assist creating wave-free accurate corescores have superfine trailing edges great leading edges Most foam-cutting processes have seen employ two methods creating foam-core templates uses template cut both top bottom airfoil foam other uses two twotemplate method uses bottom template cut profile bottom surface airfoil top template cut upper surface airfoil method presented because believe twotemplate method canand does prepared used properlyproduce better leading trailing edges make templates Simple Begin either drawing plotting airfoil choice sure plot airfoil cutting stations cuffing hand Next make some extra copies plots extra copies used reference copy bottom surface template top surface template cut appropriate number Formica pieces templates case single tapered wing will need four pieces width airfoil plus height template will up foam Allow enough material chord line airfoil approximately centered foam core Additionally Formica will need extend beyond airfoil least inch front leading edge inch past trailing edge After cuffing Formica apply some double-sided tape to hold drawing place Super tape works great task too Formica can cut template shape After template rough cut sanded reference lines create 124 Model Aviation drI1I RIC 1db-Bar Glow Plugs Also.Long Short$209 Traditional line non-idle bar Glow Plugs Six Types 3 Heat Ranges HIgh Performance Glow Element Blow Proof Seal Only $169 Swanson Associates PO Box 151 Wayne NJ ce 7948 07470 4000 different22000 3-view drawings euler FOTO-PAAKS Including kOkUFAN Antiques Military Civilian Helicopters Sailpianes CataIaguido $500Over. $1000 airfoil shape leave airfoil patterns template after have sanded no way harms usefulness template provides reference station lines aligning template foam After templates sanded accurately cutting edge polished unblem ished surface wire ride station lines should marked reverse side Once lines have added tem plates least two holeslarge enough fit T-pins throughmust drilled below airfoil location facilitate attachment foam T-pms work great easy find workbenches attach template foam simply align templates foam block has cut wings shape push pin through attachment hole until template finnly held place now ready begin cutting foam core sheeting vacuum-bagging rocket science proper templates can certainly make cutting good core whole bunch easier Study CAD drawings templates will understand made used couple tricks cutting cores may help would like pass first wax cutting edge foam-core template wax isnt special kind just mold-release wax some type automobile wax As might imagine waxing helps wire move smoothly along template result wire glides rather drags along template edge always cut bottom surface first because core will drop cut wire allowing wire burn Also sure weight core down building surface properly does move during cutting process Any movement core during cut will almost certainly result blemished core sure adjust temperature cutting wire piece scrap foam before starting cut actual wing core wire proper temperature will make what callfor lack better termlong wispy runners runners look much like cotton candy seem reliable indication wire temperature right Cutting cores leading edge trailing edge preferableespecially trying get sharp trailing edges Once have completed above steps shouldnt have major problems cutting great cores suggest cut few small ones first practice because cost foam can add up Have fun can help drop line give call Roy Smith Kelseyville California sent note few months back couple great pictures Heres want share Roy says picture taken last fall trip up Oregon coast flying Flite Lite Compositess Swift 400 peregrine falcon joined particular flight stayed approximately five six minutes As long plane moving speed would stay approximately two feet behind As turned wind slowed would drop talons approach very close real thrill Hey picture superb suppose falcon love Mark Allen design did falcon think V-tailed Swift making inappropriate advances maybe being too swift Fun picture want great vacation some super slope soaring number good sites along Oregon coast some simply pull over side road slope bluff have soared model long enough just land beautiful sandy beach airfoil month S-6062 thicker relative Selig 60638% stead 7% thickalso designed Michael Selig meet needs slope soarers want cruise bit faster SD-6060 much better airfoil turning 6063 because additional thickness may great section slope racing would imagine however section preferable long race course rather short because section 8% thick result its drag bucket will rise little steeply 9%-thick S-6061 Therefore logic goes long course turns will allimportant straightaways model will building speed model can suffer bit turns faster time straights like give try let know what think dont build racer blow past competition Let know what happening sloping adventures Okay See next time PrecisionSped alizktg inFUTURISTIC DUCTED FAN CONSTRUCTION VIDEO Precision MachiningAn Affordable Revolutionary way build ducted fan delta conard R C Aircrah Vectored Throat 21 Years BuslneaaProf olype Video takes step step computer design 5 years i Machiningconstruction actual flight mdngDesigned easy building high & low speed 7601 5 W 9th StreetJig Boringmanueverability vertical flight capability & lightweight N Lauderdale FL 33068 NC Fixtures EE details write Calf OtJOte Custom Design Pans Mirage Video Productions 305 7224896Custom Tools 2 Hinricha Pt Ste 2 Bloomfield NJ 07003 use 1fle 1 Electric Connector fated 30 tnpt Ott ftC turtrnal tenstanre Ott Mkrrtnt MoaalarCs-ordinater Hatrt 1 Sermos Super Connector Lifetime Guarantee $5Ot per packst 2 Sermos Super Charging Jack Lifetime Guarantee $550 per packet 3 Sermoa Standard Connector $400 per packet 4 Sermoa Standard Charging Jack $450 per packet 5 Sermos Standard Arming Switch $400 per packet 6 Sarmoa tnaertion & Extraction Toot $800 per tool Mimimun Order $1 500 PLUS $200 Shipping Handeling Only Certified Checks Money Orders accepted payment orders Distributors Dealers Inquiries Invited Please call 203 322-82g4 farther information S~MSR/C SNAP CONNECTORS INC Cedar Corners Station Box 16787 Stamford CT 06905 Seven models available weigh both gins & oze High accuracy guaranteed tare have strain gage transducers Whether build indoor models big birds between have scale Send #10 SASE brochure Discount prices $9900 up $24750 Includes AC adaptor UPS 1 yr warrantee Champion Model Products 880 Carmen Court La Verne CA 91750 909 599-3348
Edition: Model Aviation - 1993/09
Page Numbers: 94, 95, 124, 126
RADIO CONTROL SLOPE SOARING Viking Models USA cottage industry specializing manufacture epoxy fiberglass-reinforced fuselages vacuum-formed model parts has moved 2 Broadmoor Way Wylie TX 75098-7803 recent move has given company room opportunity further expand business reach Viking can call 214 442-3910 fax line also available 214 442-5258 Viking Models VM has business quite some time over years has gained reputation manufacturer caters individual flier its brochure Viking points out orders filled individual basis no high-volume production Jerry Slates owner cottageindustry shop feels can maintain high quality control fiberglass fuselage formed product produce using individual approach VM manufacturer number different model fuselages produces scale thermal slope gliders So pretty much has something everyone send information packet will see Viking produces fuselages such Smoothie would work quite well slope aerobatics Dave Woods outstanding aerobatics pilot has built some exceptional models using Smoothie fuselage Viking aiso offers couple F3B-type fuselages might well suited slope racing Likewise interested scale models Viking offers such fuselages Libelle Kestral Give Jerry call write information might want ask him about molds has stashed away future production Ron Vann Flite Lite Composites called let know Flite Lite s race team would coming 1993 Mid-Columbia Cup races course conversation about what hot racing 1993 Ron informed Flite Lite will offering new all-molded F3B competition soarer model Ron speaking nowfamous F3B Eagle Joe Wurts flew win 1991 World Championships F3B Eagle comes equipped RG-15 airfoil Ron tells Joe feels airfoil best possible choice F3B model because thermals well because fast speed task new model slated weigh approximately 70 ounces ready fly quite light all-molded airplane especially F3B Flite Lites designer Mark Allen contends spite light weight airplane very strong model sounds like super airplane Ron has promised send closer inspection will pass along pictures three-view details future column Since slope column thermal column should probably tell Rite Lite also selling model full-blown racer Because Eagle designed F3B aircraft aiso designed F3B speed task already know F3B Eagle extremely fast world competition remains seen Eagle will perform Mid-Columbia Cup falr say Joe Wurts flying will very hard beat Mark Allen feels some features built Eagle will provide edge over competition both F3B SR has worked hard build wings stabs nearly razor-sharp trailing edges airfoils accurate third decimal place Consequently racing cup tea F3B Eagle may just exciting high-quality almost-ready-tofly race ship youve hoping need information would like place order Rite Lite Composites address PO Box 311 Windsor CA 95492 telephone/fax number 707 838-9020 way Ron says all-molded F3B Eagle will cost enthusiasts approximately $900 plus shipping bit expensive think about much time would take scratch-build model like Eagle Weston Aerodesign Company WACO builders designers Magic MldI 010 Full __ 1 L 1619 40 upper line top surface template wire lead point cut bottom surf ace first allow thickness wire due wire burn Al low about 01 inch increase thickness trailing edge wire burn ILi LiZIZI Ill K K LILIIII lower line template wire lead lower template foam core cut full size extending pest wire will enter foam result leading edge slightly squared leading edge will sanded shape before bagging Examples two-piece rib templates used cut foam wing cores Author gives step-by-step instructions text 94 Model Aviation om foam-cutting template held place large block lead prevent core slippage cutting Template used cut upper airfoil profile pinned securely foam core accurate cuffing Cut bottom profile first 062 1000 WACO series gliders Electric models offering some great products RC sailplane enthusiasts too received catalog few days back browsed through Much enjoyment found number items slope soaring enthusiasts will interested Topping list special items Westons style 1012 graphite/Kevlar fabrica composite fabric made both Kevlar graphite unidirectional carbon light Kevlar fill weighs 29 ounces per square yard Weston offers 50-inch widths $35 yard Weston also has new super material Spectra Spectras claim fame its high tensile strength material supposedly significantly stronger Kevlar same weight Frank Weston points out because material thicker Kevlar will absorb resin As result model parts bagged molded material will somewhat heavier Nonetheless Frank says used right areas quite benefit models durability suggests employed model would wise use weak areas fuselage leading edges vacuum-bagged wings lightweight glass Weston stocks also attracted eye -ounce B-glass excellent material very light lay-ups exceptionally good veil cloth vacuumContinued page 124 September 1993 95 Get RV guide tailoed fit needs Radio Contml Buyers Guide 16th Edition et RIG product source thats tuned toyo needs CJthe Radio Con frol Buyers Guide 16th Edition handy reference guide thousands products facet RIG modeling Radio Control Buyers Guide covers RIG hobbies including planes helicopters cars monster trucks boats engines radios field accessories d tools d years guide custom tailored fit uests finished creations color Showcase sections greater number how-to articles Plus new companies expanded line entry level cars competition level trucks make guide RIG reference youve waiting Get RIG guide perfect fitthe Radio Control Buyers Guide Available November 1992 #12110$1195 Look book local hobby shop call toll free 800-533-6644 24 hours day Please have credit card ready Fax 414-796-0126 Outside US Canada call 414-796-8776 Include postage handling US $300 outside US add 18/o mm $400 Wisconsin residents add 5% sales tax total Canadian orders add 7% GST total Payable US funds Prices availability subject change Kaimbach Publishing Co Dept X0598 21027 Crossroads Circle PO Box 1612 Waukesha WI 53187-1612 Dept X0598 Above Doug Cheneys Tucano P55 model about launched site near Boise Idaho Model fast flew very well Right At beautiful sites along Oregons coast Roy Smiths Swift 400 challenged real peregrine falcon RC Slope SoaringlByors Continued page 95 bagging wings veil cloth material employed exterior lamination vacuum-bagged wing help reduce typical pinholes associated bagging WACO also has 14-ounce E-glass 31-ounce crows-foot-weave glass 38inch widths arent familiar crows-foot weave woven wraps around corners forms contours much easily plain weave Another product should interest modelers WACOs style 120 Keviar available both 50- 60-inch widths material boasts weave weight 17 ounces per square yard looking good source materials parts write WACO 944 Placid Court Arnold MD 21012 Tel 410 757-8580 fax requests 410 974-0968 suggestion about buying stocking glass products model projects Label material before storing know sounds kind obvious however simple task can slip ones mind anxiously unpacking storing different weights weaves material later use Labeling also necessary because often very hard distinguishat later datebetween materials very nearly same weight want build proper material task must know material Right label materials some later date reach roll fiberglass bought six months earlier will easy identify what weight weave Scale Model Researchs SMR out standing new catalog out includes 132 pages documentation photo packs has largest collection scale detail US world Bob Banka owner SMR has adding collection number years has amassed collection 4000-plus photo packs 22000 three-view drawings addition SMR has adding its documentation gliders sailplanes now undoubtedly largest single source documentation scale sailplane enthusiasts Bob lists 200 sailplanes photo pack collection alone Add three-views offer ing have super selection choose start scale project upcoming scale rally So need foto-paaks Bob calls three-view drawing Scale Model Researchs new catalog certainly worth $5 Write SMR 2334 Ticonderoga Way Costa Mesa CA 92626 call 714 979-8058 Over last decade foam-core wings have become common fare among new-age models Nowhere else apparent model soaring community wings vacuum-bagged completely sheeted over foam Sailplane builders have pioneered foam-core wings modelers like Jerry Nelson KA-6 fame employing foam-cut wings early 1968 introduced amazing process foam cutting 1976 longtime friend model builder Mr Jeff Breese Since time have cut many foam cores As might imagine technique cutting foam-core wings has changed over years have other sallplaners changes have come more accurate cores result more accurate airfoils wings models techniques have become refined builders now vacuumbagging wings razor-sharp trailing leading edges near-perfect copies plotted sections create such cores modeler must have accurate functional tools Possibly important tools process cuffing templatesthey extremely important new age model building simple templates often taken granted experienced builders builder new hobby hasnt taken plunge fine art cutting foamcore wings template design may very well area discovery So lets have bit discourse make templates cutting foam-core wings Over years have used different types templates cutting wire foam After number trials errors successes appears technique employ relatively sound say isnt room improvement just believe procedure now much improved early attempts Also much technique now employ has gleaned other build ers produced better cores did simply cloned ideas process technique has benefitted stolen ideas Foam selection also very important part process creating good cores foam recommend now-famous Styrofoam manufactured Dow product has density 18 pounds per cubic foot has compressive strength 40 psi @ 10% deformation comes sheets 2 inches x 2 feet x 8 feet 4 inches x 2 feet x 8 feet cost typically $24 sheet two-inch thick about $32 sheet fourinch price can certainly vary shop around purchasing foam sure ask virgin foam since some companies will sell rebond foam often has small chunks foam imbedded chunks can cause cut less satisfactory cutting wire suggested 020 stainless steel used Although experience nichrome wire has good stainless may better choice since will stretch much suggested supplier foam cutting bagging supplies Aerospace Composites Aerospace has good line supplies George owner very helpful fellow Aerospaces address PO Box 16621 Irvine CA 92714 Tel 714 250-1107 Aerospace can provide power supply heating wire Call ask George what need Tell him read about line products MA Now what material should used make templates debatable Ive tried number materials including aluminum plastic plywood epoxy circuit board material choice now Formica Formica Well Formica easy get cut sand its quite stiff also very smooth finish- sanded 600-grit wet-or-dry sandpaper wont absorb too much heat wire like aluminum Nor does have tendency cause wire drag like plywood No Formica smoothand smoothness extremely important cutting accurate cores since irregularity template will result blemished core Therefore using Formica properly sanded edge wire rides will assist creating wave-free accurate corescores have superfine trailing edges great leading edges Most foam-cutting processes have seen employ two methods creating foam-core templates uses template cut both top bottom airfoil foam other uses two twotemplate method uses bottom template cut profile bottom surface airfoil top template cut upper surface airfoil method presented because believe twotemplate method canand does prepared used properlyproduce better leading trailing edges make templates Simple Begin either drawing plotting airfoil choice sure plot airfoil cutting stations cuffing hand Next make some extra copies plots extra copies used reference copy bottom surface template top surface template cut appropriate number Formica pieces templates case single tapered wing will need four pieces width airfoil plus height template will up foam Allow enough material chord line airfoil approximately centered foam core Additionally Formica will need extend beyond airfoil least inch front leading edge inch past trailing edge After cuffing Formica apply some double-sided tape to hold drawing place Super tape works great task too Formica can cut template shape After template rough cut sanded reference lines create 124 Model Aviation drI1I RIC 1db-Bar Glow Plugs Also.Long Short$209 Traditional line non-idle bar Glow Plugs Six Types 3 Heat Ranges HIgh Performance Glow Element Blow Proof Seal Only $169 Swanson Associates PO Box 151 Wayne NJ ce 7948 07470 4000 different22000 3-view drawings euler FOTO-PAAKS Including kOkUFAN Antiques Military Civilian Helicopters Sailpianes CataIaguido $500Over. $1000 airfoil shape leave airfoil patterns template after have sanded no way harms usefulness template provides reference station lines aligning template foam After templates sanded accurately cutting edge polished unblem ished surface wire ride station lines should marked reverse side Once lines have added tem plates least two holeslarge enough fit T-pins throughmust drilled below airfoil location facilitate attachment foam T-pms work great easy find workbenches attach template foam simply align templates foam block has cut wings shape push pin through attachment hole until template finnly held place now ready begin cutting foam core sheeting vacuum-bagging rocket science proper templates can certainly make cutting good core whole bunch easier Study CAD drawings templates will understand made used couple tricks cutting cores may help would like pass first wax cutting edge foam-core template wax isnt special kind just mold-release wax some type automobile wax As might imagine waxing helps wire move smoothly along template result wire glides rather drags along template edge always cut bottom surface first because core will drop cut wire allowing wire burn Also sure weight core down building surface properly does move during cutting process Any movement core during cut will almost certainly result blemished core sure adjust temperature cutting wire piece scrap foam before starting cut actual wing core wire proper temperature will make what callfor lack better termlong wispy runners runners look much like cotton candy seem reliable indication wire temperature right Cutting cores leading edge trailing edge preferableespecially trying get sharp trailing edges Once have completed above steps shouldnt have major problems cutting great cores suggest cut few small ones first practice because cost foam can add up Have fun can help drop line give call Roy Smith Kelseyville California sent note few months back couple great pictures Heres want share Roy says picture taken last fall trip up Oregon coast flying Flite Lite Compositess Swift 400 peregrine falcon joined particular flight stayed approximately five six minutes As long plane moving speed would stay approximately two feet behind As turned wind slowed would drop talons approach very close real thrill Hey picture superb suppose falcon love Mark Allen design did falcon think V-tailed Swift making inappropriate advances maybe being too swift Fun picture want great vacation some super slope soaring number good sites along Oregon coast some simply pull over side road slope bluff have soared model long enough just land beautiful sandy beach airfoil month S-6062 thicker relative Selig 60638% stead 7% thickalso designed Michael Selig meet needs slope soarers want cruise bit faster SD-6060 much better airfoil turning 6063 because additional thickness may great section slope racing would imagine however section preferable long race course rather short because section 8% thick result its drag bucket will rise little steeply 9%-thick S-6061 Therefore logic goes long course turns will allimportant straightaways model will building speed model can suffer bit turns faster time straights like give try let know what think dont build racer blow past competition Let know what happening sloping adventures Okay See next time PrecisionSped alizktg inFUTURISTIC DUCTED FAN CONSTRUCTION VIDEO Precision MachiningAn Affordable Revolutionary way build ducted fan delta conard R C Aircrah Vectored Throat 21 Years BuslneaaProf olype Video takes step step computer design 5 years i Machiningconstruction actual flight mdngDesigned easy building high & low speed 7601 5 W 9th StreetJig Boringmanueverability vertical flight capability & lightweight N Lauderdale FL 33068 NC Fixtures EE details write Calf OtJOte Custom Design Pans Mirage Video Productions 305 7224896Custom Tools 2 Hinricha Pt Ste 2 Bloomfield NJ 07003 use 1fle 1 Electric Connector fated 30 tnpt Ott ftC turtrnal tenstanre Ott Mkrrtnt MoaalarCs-ordinater Hatrt 1 Sermos Super Connector Lifetime Guarantee $5Ot per packst 2 Sermos Super Charging Jack Lifetime Guarantee $550 per packet 3 Sermoa Standard Connector $400 per packet 4 Sermoa Standard Charging Jack $450 per packet 5 Sermos Standard Arming Switch $400 per packet 6 Sarmoa tnaertion & Extraction Toot $800 per tool Mimimun Order $1 500 PLUS $200 Shipping Handeling Only Certified Checks Money Orders accepted payment orders Distributors Dealers Inquiries Invited Please call 203 322-82g4 farther information S~MSR/C SNAP CONNECTORS INC Cedar Corners Station Box 16787 Stamford CT 06905 Seven models available weigh both gins & oze High accuracy guaranteed tare have strain gage transducers Whether build indoor models big birds between have scale Send #10 SASE brochure Discount prices $9900 up $24750 Includes AC adaptor UPS 1 yr warrantee Champion Model Products 880 Carmen Court La Verne CA 91750 909 599-3348
Edition: Model Aviation - 1993/09
Page Numbers: 94, 95, 124, 126
RADIO CONTROL SLOPE SOARING Viking Models USA cottage industry specializing manufacture epoxy fiberglass-reinforced fuselages vacuum-formed model parts has moved 2 Broadmoor Way Wylie TX 75098-7803 recent move has given company room opportunity further expand business reach Viking can call 214 442-3910 fax line also available 214 442-5258 Viking Models VM has business quite some time over years has gained reputation manufacturer caters individual flier its brochure Viking points out orders filled individual basis no high-volume production Jerry Slates owner cottageindustry shop feels can maintain high quality control fiberglass fuselage formed product produce using individual approach VM manufacturer number different model fuselages produces scale thermal slope gliders So pretty much has something everyone send information packet will see Viking produces fuselages such Smoothie would work quite well slope aerobatics Dave Woods outstanding aerobatics pilot has built some exceptional models using Smoothie fuselage Viking aiso offers couple F3B-type fuselages might well suited slope racing Likewise interested scale models Viking offers such fuselages Libelle Kestral Give Jerry call write information might want ask him about molds has stashed away future production Ron Vann Flite Lite Composites called let know Flite Lite s race team would coming 1993 Mid-Columbia Cup races course conversation about what hot racing 1993 Ron informed Flite Lite will offering new all-molded F3B competition soarer model Ron speaking nowfamous F3B Eagle Joe Wurts flew win 1991 World Championships F3B Eagle comes equipped RG-15 airfoil Ron tells Joe feels airfoil best possible choice F3B model because thermals well because fast speed task new model slated weigh approximately 70 ounces ready fly quite light all-molded airplane especially F3B Flite Lites designer Mark Allen contends spite light weight airplane very strong model sounds like super airplane Ron has promised send closer inspection will pass along pictures three-view details future column Since slope column thermal column should probably tell Rite Lite also selling model full-blown racer Because Eagle designed F3B aircraft aiso designed F3B speed task already know F3B Eagle extremely fast world competition remains seen Eagle will perform Mid-Columbia Cup falr say Joe Wurts flying will very hard beat Mark Allen feels some features built Eagle will provide edge over competition both F3B SR has worked hard build wings stabs nearly razor-sharp trailing edges airfoils accurate third decimal place Consequently racing cup tea F3B Eagle may just exciting high-quality almost-ready-tofly race ship youve hoping need information would like place order Rite Lite Composites address PO Box 311 Windsor CA 95492 telephone/fax number 707 838-9020 way Ron says all-molded F3B Eagle will cost enthusiasts approximately $900 plus shipping bit expensive think about much time would take scratch-build model like Eagle Weston Aerodesign Company WACO builders designers Magic MldI 010 Full __ 1 L 1619 40 upper line top surface template wire lead point cut bottom surf ace first allow thickness wire due wire burn Al low about 01 inch increase thickness trailing edge wire burn ILi LiZIZI Ill K K LILIIII lower line template wire lead lower template foam core cut full size extending pest wire will enter foam result leading edge slightly squared leading edge will sanded shape before bagging Examples two-piece rib templates used cut foam wing cores Author gives step-by-step instructions text 94 Model Aviation om foam-cutting template held place large block lead prevent core slippage cutting Template used cut upper airfoil profile pinned securely foam core accurate cuffing Cut bottom profile first 062 1000 WACO series gliders Electric models offering some great products RC sailplane enthusiasts too received catalog few days back browsed through Much enjoyment found number items slope soaring enthusiasts will interested Topping list special items Westons style 1012 graphite/Kevlar fabrica composite fabric made both Kevlar graphite unidirectional carbon light Kevlar fill weighs 29 ounces per square yard Weston offers 50-inch widths $35 yard Weston also has new super material Spectra Spectras claim fame its high tensile strength material supposedly significantly stronger Kevlar same weight Frank Weston points out because material thicker Kevlar will absorb resin As result model parts bagged molded material will somewhat heavier Nonetheless Frank says used right areas quite benefit models durability suggests employed model would wise use weak areas fuselage leading edges vacuum-bagged wings lightweight glass Weston stocks also attracted eye -ounce B-glass excellent material very light lay-ups exceptionally good veil cloth vacuumContinued page 124 September 1993 95 Get RV guide tailoed fit needs Radio Contml Buyers Guide 16th Edition et RIG product source thats tuned toyo needs CJthe Radio Con frol Buyers Guide 16th Edition handy reference guide thousands products facet RIG modeling Radio Control Buyers Guide covers RIG hobbies including planes helicopters cars monster trucks boats engines radios field accessories d tools d years guide custom tailored fit uests finished creations color Showcase sections greater number how-to articles Plus new companies expanded line entry level cars competition level trucks make guide RIG reference youve waiting Get RIG guide perfect fitthe Radio Control Buyers Guide Available November 1992 #12110$1195 Look book local hobby shop call toll free 800-533-6644 24 hours day Please have credit card ready Fax 414-796-0126 Outside US Canada call 414-796-8776 Include postage handling US $300 outside US add 18/o mm $400 Wisconsin residents add 5% sales tax total Canadian orders add 7% GST total Payable US funds Prices availability subject change Kaimbach Publishing Co Dept X0598 21027 Crossroads Circle PO Box 1612 Waukesha WI 53187-1612 Dept X0598 Above Doug Cheneys Tucano P55 model about launched site near Boise Idaho Model fast flew very well Right At beautiful sites along Oregons coast Roy Smiths Swift 400 challenged real peregrine falcon RC Slope SoaringlByors Continued page 95 bagging wings veil cloth material employed exterior lamination vacuum-bagged wing help reduce typical pinholes associated bagging WACO also has 14-ounce E-glass 31-ounce crows-foot-weave glass 38inch widths arent familiar crows-foot weave woven wraps around corners forms contours much easily plain weave Another product should interest modelers WACOs style 120 Keviar available both 50- 60-inch widths material boasts weave weight 17 ounces per square yard looking good source materials parts write WACO 944 Placid Court Arnold MD 21012 Tel 410 757-8580 fax requests 410 974-0968 suggestion about buying stocking glass products model projects Label material before storing know sounds kind obvious however simple task can slip ones mind anxiously unpacking storing different weights weaves material later use Labeling also necessary because often very hard distinguishat later datebetween materials very nearly same weight want build proper material task must know material Right label materials some later date reach roll fiberglass bought six months earlier will easy identify what weight weave Scale Model Researchs SMR out standing new catalog out includes 132 pages documentation photo packs has largest collection scale detail US world Bob Banka owner SMR has adding collection number years has amassed collection 4000-plus photo packs 22000 three-view drawings addition SMR has adding its documentation gliders sailplanes now undoubtedly largest single source documentation scale sailplane enthusiasts Bob lists 200 sailplanes photo pack collection alone Add three-views offer ing have super selection choose start scale project upcoming scale rally So need foto-paaks Bob calls three-view drawing Scale Model Researchs new catalog certainly worth $5 Write SMR 2334 Ticonderoga Way Costa Mesa CA 92626 call 714 979-8058 Over last decade foam-core wings have become common fare among new-age models Nowhere else apparent model soaring community wings vacuum-bagged completely sheeted over foam Sailplane builders have pioneered foam-core wings modelers like Jerry Nelson KA-6 fame employing foam-cut wings early 1968 introduced amazing process foam cutting 1976 longtime friend model builder Mr Jeff Breese Since time have cut many foam cores As might imagine technique cutting foam-core wings has changed over years have other sallplaners changes have come more accurate cores result more accurate airfoils wings models techniques have become refined builders now vacuumbagging wings razor-sharp trailing leading edges near-perfect copies plotted sections create such cores modeler must have accurate functional tools Possibly important tools process cuffing templatesthey extremely important new age model building simple templates often taken granted experienced builders builder new hobby hasnt taken plunge fine art cutting foamcore wings template design may very well area discovery So lets have bit discourse make templates cutting foam-core wings Over years have used different types templates cutting wire foam After number trials errors successes appears technique employ relatively sound say isnt room improvement just believe procedure now much improved early attempts Also much technique now employ has gleaned other build ers produced better cores did simply cloned ideas process technique has benefitted stolen ideas Foam selection also very important part process creating good cores foam recommend now-famous Styrofoam manufactured Dow product has density 18 pounds per cubic foot has compressive strength 40 psi @ 10% deformation comes sheets 2 inches x 2 feet x 8 feet 4 inches x 2 feet x 8 feet cost typically $24 sheet two-inch thick about $32 sheet fourinch price can certainly vary shop around purchasing foam sure ask virgin foam since some companies will sell rebond foam often has small chunks foam imbedded chunks can cause cut less satisfactory cutting wire suggested 020 stainless steel used Although experience nichrome wire has good stainless may better choice since will stretch much suggested supplier foam cutting bagging supplies Aerospace Composites Aerospace has good line supplies George owner very helpful fellow Aerospaces address PO Box 16621 Irvine CA 92714 Tel 714 250-1107 Aerospace can provide power supply heating wire Call ask George what need Tell him read about line products MA Now what material should used make templates debatable Ive tried number materials including aluminum plastic plywood epoxy circuit board material choice now Formica Formica Well Formica easy get cut sand its quite stiff also very smooth finish- sanded 600-grit wet-or-dry sandpaper wont absorb too much heat wire like aluminum Nor does have tendency cause wire drag like plywood No Formica smoothand smoothness extremely important cutting accurate cores since irregularity template will result blemished core Therefore using Formica properly sanded edge wire rides will assist creating wave-free accurate corescores have superfine trailing edges great leading edges Most foam-cutting processes have seen employ two methods creating foam-core templates uses template cut both top bottom airfoil foam other uses two twotemplate method uses bottom template cut profile bottom surface airfoil top template cut upper surface airfoil method presented because believe twotemplate method canand does prepared used properlyproduce better leading trailing edges make templates Simple Begin either drawing plotting airfoil choice sure plot airfoil cutting stations cuffing hand Next make some extra copies plots extra copies used reference copy bottom surface template top surface template cut appropriate number Formica pieces templates case single tapered wing will need four pieces width airfoil plus height template will up foam Allow enough material chord line airfoil approximately centered foam core Additionally Formica will need extend beyond airfoil least inch front leading edge inch past trailing edge After cuffing Formica apply some double-sided tape to hold drawing place Super tape works great task too Formica can cut template shape After template rough cut sanded reference lines create 124 Model Aviation drI1I RIC 1db-Bar Glow Plugs Also.Long Short$209 Traditional line non-idle bar Glow Plugs Six Types 3 Heat Ranges HIgh Performance Glow Element Blow Proof Seal Only $169 Swanson Associates PO Box 151 Wayne NJ ce 7948 07470 4000 different22000 3-view drawings euler FOTO-PAAKS Including kOkUFAN Antiques Military Civilian Helicopters Sailpianes CataIaguido $500Over. $1000 airfoil shape leave airfoil patterns template after have sanded no way harms usefulness template provides reference station lines aligning template foam After templates sanded accurately cutting edge polished unblem ished surface wire ride station lines should marked reverse side Once lines have added tem plates least two holeslarge enough fit T-pins throughmust drilled below airfoil location facilitate attachment foam T-pms work great easy find workbenches attach template foam simply align templates foam block has cut wings shape push pin through attachment hole until template finnly held place now ready begin cutting foam core sheeting vacuum-bagging rocket science proper templates can certainly make cutting good core whole bunch easier Study CAD drawings templates will understand made used couple tricks cutting cores may help would like pass first wax cutting edge foam-core template wax isnt special kind just mold-release wax some type automobile wax As might imagine waxing helps wire move smoothly along template result wire glides rather drags along template edge always cut bottom surface first because core will drop cut wire allowing wire burn Also sure weight core down building surface properly does move during cutting process Any movement core during cut will almost certainly result blemished core sure adjust temperature cutting wire piece scrap foam before starting cut actual wing core wire proper temperature will make what callfor lack better termlong wispy runners runners look much like cotton candy seem reliable indication wire temperature right Cutting cores leading edge trailing edge preferableespecially trying get sharp trailing edges Once have completed above steps shouldnt have major problems cutting great cores suggest cut few small ones first practice because cost foam can add up Have fun can help drop line give call Roy Smith Kelseyville California sent note few months back couple great pictures Heres want share Roy says picture taken last fall trip up Oregon coast flying Flite Lite Compositess Swift 400 peregrine falcon joined particular flight stayed approximately five six minutes As long plane moving speed would stay approximately two feet behind As turned wind slowed would drop talons approach very close real thrill Hey picture superb suppose falcon love Mark Allen design did falcon think V-tailed Swift making inappropriate advances maybe being too swift Fun picture want great vacation some super slope soaring number good sites along Oregon coast some simply pull over side road slope bluff have soared model long enough just land beautiful sandy beach airfoil month S-6062 thicker relative Selig 60638% stead 7% thickalso designed Michael Selig meet needs slope soarers want cruise bit faster SD-6060 much better airfoil turning 6063 because additional thickness may great section slope racing would imagine however section preferable long race course rather short because section 8% thick result its drag bucket will rise little steeply 9%-thick S-6061 Therefore logic goes long course turns will allimportant straightaways model will building speed model can suffer bit turns faster time straights like give try let know what think dont build racer blow past competition Let know what happening sloping adventures Okay See next time PrecisionSped alizktg inFUTURISTIC DUCTED FAN CONSTRUCTION VIDEO Precision MachiningAn Affordable Revolutionary way build ducted fan delta conard R C Aircrah Vectored Throat 21 Years BuslneaaProf olype Video takes step step computer design 5 years i Machiningconstruction actual flight mdngDesigned easy building high & low speed 7601 5 W 9th StreetJig Boringmanueverability vertical flight capability & lightweight N Lauderdale FL 33068 NC Fixtures EE details write Calf OtJOte Custom Design Pans Mirage Video Productions 305 7224896Custom Tools 2 Hinricha Pt Ste 2 Bloomfield NJ 07003 use 1fle 1 Electric Connector fated 30 tnpt Ott ftC turtrnal tenstanre Ott Mkrrtnt MoaalarCs-ordinater Hatrt 1 Sermos Super Connector Lifetime Guarantee $5Ot per packst 2 Sermos Super Charging Jack Lifetime Guarantee $550 per packet 3 Sermoa Standard Connector $400 per packet 4 Sermoa Standard Charging Jack $450 per packet 5 Sermos Standard Arming Switch $400 per packet 6 Sarmoa tnaertion & Extraction Toot $800 per tool Mimimun Order $1 500 PLUS $200 Shipping Handeling Only Certified Checks Money Orders accepted payment orders Distributors Dealers Inquiries Invited Please call 203 322-82g4 farther information S~MSR/C SNAP CONNECTORS INC Cedar Corners Station Box 16787 Stamford CT 06905 Seven models available weigh both gins & oze High accuracy guaranteed tare have strain gage transducers Whether build indoor models big birds between have scale Send #10 SASE brochure Discount prices $9900 up $24750 Includes AC adaptor UPS 1 yr warrantee Champion Model Products 880 Carmen Court La Verne CA 91750 909 599-3348