Osprey

lb \v7 Li Editors note first series three Bill Winter designs will appear MA during next few months Winter Trilogy features Osprey Ascender delta canard Jackpot 40-35-powered model based ]960s Lightning Bug sprey may look somewhat like trainer has high Owingand tricycle landing gear efficient aircraft average model therefore requires some experience skill fly its fullest capability Osprey aerodynamically clean hence faster trainer also has higher lift-to-drag ratio typical model inexperienced could lead difficulty landing skill level requried fly Osprey confidence above novice well intermediate qualified performance rewards definitely Osprey light touch fully responsive standard maneuvers can done fully inverted rated capable extended soaring its short coupling can remind birdlike efficency fly along rolling ridge upslope breeze Osprey capable extended flight bouyant wind gusty wind Bill Winter has sm-fed sky model CONSTRUCTION general select light balsa less six pounds per square foot Some balsa supply houses will hand-pick wood specified surcharge may list some common sizes guaranteed light weight Order extra pieces ensure matching substitutions needed Sheet balsa wing sheeting cannot quarter-grain splits upon bending wood must curl easily along its length facilitate matching airfoil contours eliminate tendencies pull free want light wood eliminate anything too mushy may still have pick out few firmer strips wing tail leading edges ideally soft/medium Aileron tail spars medium blocks must light wood Wood size specs given plans generally mentioned directions Wing cores available Evans Aircraft 454 Wildrose Ln Bishop CA 93514 Covering materials choice use Coverite films paints Wing Make plywood pattems tip root ribs applying fullsize pattem contact cement say 1/i6 plywood Evans Aircraft has rib templates file Note plan rib profiles include chord reference line tip rib another chord line indicating degree washout Bring attention core supplier send away Prepare core blanks serve jigs core skinning operation cutting away portions would interfere balsa inner leading edge aileron spar Attach inner leading edges aileron spars wing panel Prepare skinning materials described skin provide servo cutouts cable access add root tip pieces trailing edge add tips join panels centerline wing leading edge center section cutout very last step Taper inner leading edge strip slightly oversize member will sanded match airfoil after has pinned glued place use yellow glue Use long straight pins alignment wrap short pieces masking tape ensure firm joint sight along wing check edges bowed outer leading edge attached later after skinning 8 Model Aviation ll WinterlJohn Hunton Photos Bernie Stuecker Graphic Design Carla Kunz pretapered eron spar pretapered since block sanding fits foam Attach rear spar same method leading edge Block-sand edges airfoil contours shown Before skinning sand aileron spar inner leading edge sanding board make piece plywood sandpaper attached spray contact adhesive cement Work repeated spanwise paths sanding root tip described skinning method several popular methods may prefer familiar may also favor assembling four wing skins before starting allow least -inch overlap along long edges tolerance minor layout errors double-stick tape also convenient put down skin section time 12 pieces Either way sheet pieces must precisely trimmed match using straightedge insure clean butting put down two four-inch-wide sheets both sides panel overlapping inner leading edge other overlapping trailing edge spar grain parallel edge remaining open triangle filled prefitted skin section after servo cutouts have made Make cardboard pattern servo cutouts locate outlines cut through skins rule #11 knife blade Excavate cavities servo mounting rails mount flush foam skin overlaps rails beyond cavity lines permit triangular skin pieces hand-fitted removed Install tailored pieces after servo rails glued Use spade drills sharpened tubing cut servo wire access tunnels front wing cutout made after finished sanded panels have joined root Note ailerons inboard outboard trailing edge chord extension pieces 1/2-inch-thick stock use standard trailing-edge stock ailerons sure quite light wood After gluing extensions place block sand tips square install tip blocks Sand tips proper profile Trim overlapping skins true/flush existing structure attach tapered outer leading edge piece Sand its top bottom faces time match airfoil Mark precise leading edge forward-most point straightedge felt-tip pen guidance shaping final shape leading edge critical good stall characteristics shaping accurately Gradually shape outer leading edge balsa plane roughing April 1998 9 sanding board sculpting desired profile Work paths root tip removing material progressively Finish fine sandpaper pad Cut wing roots proper angles horizontal vertical planes using table saw just shaping sanding boani over edge workbench use blocks jig up panel tips Spot-glue pin blocks bench wingtip Use long pins fine wire nails root leading trailing edges prevent movement plenty wood harmful sanding board held flush bench face used long-stroke milling action Check mating cores flush fit epoxy roots together blocking up panels required dihedral angle Use long straight pins masking tape help hold position crevices remain joint after epoxy has cured fill mixture epoxy microbalboons Outline cut front wing cutout Install facing plywood pieces spanwise plywood dowel plate glued first Note sides cutout slanted fit against fuselage sides Trial-fit wing fuselage checking two side cutout pieces fit snugly will butt against dowel plate Fill gaps sheet-balsa shims fit wing hold-down dowel put wing place holding true strips masking tape drill through hole former C has dowel hole predrilled Epoxy prepared dowel peg face 10 Model Aviation clean airframe capable extended flights low power soared typical thermals using trim control Ospreys bottom dark top white orientation high altitudes OS 25 power 15% nitro fuel recommended plate ensure accuracy put epoxy hole plate rub bit dowel reposition wing making sure accurate alignment Use waxed paper prevent gluing plate dowel former C Cut out semicircular bolt plate 1/is plywood Place vise force partial cracking along its centerline Set required dihedral angle glue top wing Mark centers rear wing hold-down bolts wing still place drill 3As holes through wing hold-down blocks within fuselage Remove wing enlarge wing hold-down bolt holes drill Tap hold-down blocks -20 take -inch nylon bolts Apply two-inch-wide fiberglass light weight over top bottom center section joint Trial-fit control horns ailerons dry run hinges minimum gap between ailerons aileron spar slotting depends type hinge decide use Nylon strip hinges simple light strong anything else properly installed Strip hinge slots can accurately cut #11 blade Mark positions exacfly use something straight guide cuffing sure cut parallel hinge line Since wing core foam will need appropriate type cyanoacrylate CyA glue avoid melting foam Use epoxy other hinge types Trim sand wing final profile clean vacuum Shape ailerons required sand wing ready cover Install ailerons servos linkages after covering film Fuselage ensure precise alignment vital Osprey dress ends doublers crosspieces flush fits assembly procedure fuselage different normal practice bottom fuselage jigs sides compelled join centerline method ensures accurate wing tail incidence well thrusfline specs platform rearmost formers lock fin stab components V-tail good flight tracking top view plans actually looking down bottom shows structural locations Butt-join three-inch -inch piece /32 21 inches long Mark centerline station locations C F inclusive square mark distance outer surface fuselage sides station line Connect points curve ruler pin down temporary strip serve marking guide trim outline until after fuselage assembly squared away Pin marked-off bottom piece work surface same manner lay out ard bottom piece pin down line aft piece leaving two-inch-wide gap Align April1998 11 N Wing servo cutouts made hardwood servo rails inserted final sheeting added Sheet covers mounting strips Sub-leading trailing edge members coated Titebond held tightly place masking tape Evans Aircraft tape used adhere wing sheeting Full-width sheets used LE TE center filled later Final servo mounting hole servo wire access hole fixed trailing edge parts visible straightedge along both centerlines Lay out fuselage sides 36-inch length /32 balsa duplicating outline plan edges must straight except jog t juncture Trim straightedge necessary butt-join sheet necessary make sides wide enough Use straight bottom line guide square mark upright positions Trim outline Use blank trace outlines second blank side pin blank sides together sand outlines conform Mark L R inside face side Locate longerons doublers crosspieces etc excepting forward firewall side frame checking width slots fit firewall former C scrap wood Cut firewall formers t fill pieces V-tail seat must cut precisely note elevation measurement plan Drill firewall holes blind nuts fuel lines linkages Install blind nuts combinition engine/gear mount Check B C D identical widths install three side frame Before gluing check snugness 900 angle side using triangle Dry fit opposite side B C D Rest structure bench checking alignment over full length no daylight showing between bench frame See parts fully seated before using CyA before yellow glue sets Cut plywood landing gear plate fit mark drill screw holes install blind nuts Glue plate seen side view vertical side pieces butt its top surface Glue triangular side comer pieces plate Cut bottom crosspieces length over plan allowing 3A2 side thickness aft landing gear station C additional w doubler thickness Pin partially assembled sides bottom shect far aft Left servo nose wheel steering center elevator right throttle simplicity rudder used station D glue Before joining sides rear install midcabin crosspiece hardwood servo rails hold-down block helps prevent distortion sides bent Join sides rear pinning gluing station D tail ease bending moisten local area cut tiny wedges Zona saw cuts inner face longerons to-be-bent area see top view Glue t pieces E F Gin place bottom rear faces bottom crosspieces pull sides square top gluing use clamps protect side suiface plywood scraps Before closing fuselage top locate wing described wing construction drill dowel holes Add two top crosspieces forward tail surfaces Fuelproof tank compartment epoxy Complete tank steering arm involved linkage installations Glue nose laminations forward firewall Sand front nose sanding block fit nose plywood ring suggested first niount spinner backplate engine temporarily mount engine trace outline spinner plate guide location former Use #11 blade carefully slope rear longerons 450 required mounting tail assembly Trim wing saddle close fit slope match wing dihedral Make elevator pushrod assembly before sheeting rear fuselage top Sheet nose top fore aft hatch ends note square side top comer pieces extend beyond firewall former Fit wing place mark flat areas should remain fair ribs side Spot-glue tank hatch place take down matching contours during sanding fuselage Rough-shape nose contours coarse sanding block elevator linkage requires flexibility two planes looped setup devised Wingtips placed center section sanded proper mating Trial-fit engine mount remove finishing Throughly angle Finish-sand panel prior joining fuelproof engine compartment guard against fuel soak 12 Model Aviation L I/A FORRAGEAILERON IBEAB ARE RERTEWN USA RIGHT RINGyeA/C PLOW/1 2-0/4 UNDER EACH TIP 1S1 OGERLATDGSASPRBEE \r ouFIBERGLASS CLArAWING SKIN OEAMRI LI DIA AUGERSSIDE TO NJ/FII_____ EDTEND EDAE OF ROTTOMLICRALSA LE NORD TO FGAM TRI- SIHOGSWAB TA SHAPE DOVER WITH PIG GRIM\\FUSElAGE TOP VIEWFTOPTHEN AHOY I/A SALSA FINAL BEVEL AS- DIHEDRAL DETAIL I/B LTD PLO K FORMER ________________I/H BALSA ODEET FORIsER E CA BALRO--- -M--Tf-C---*-----391 1/2 BALSA TRI- RTHCBPG BALSAB MBCSALIR FLYWOHOCA GAI/A HA PG BALSA HREETRREETRHEET BOTTOM L S MOUNT BALSASPRACE SHEET SIREShOISTS I/A NJ NOTE D BOTTAM OP FARELAGE FOST I MACGA HOWN- ERECT SIRES DSTH BOTTA THEN ARE TAP PARTS ---- / CA poLEFT SIDE A6 SCREW0 CLEARF ROTORT\ LjHIGTTSIAE{ DB L/AR/ORATER DETAILPLASTIC TANOPOOFFSETijIi GCA ASAIS AT /FSSEET TOPSHOE GIBES AG HEBAIHEB FOB OEE TAIL SO SEAT OCCIWATECO INTO ____________________ 5EROH3C1/4HEAGOOp5~IOEET ji-T--]ToCIII411/ A-.rDAROMATTERS I5jT4SERBACSAJCLIIIII ICODOWELS~ A--4iJNOSE DOUBLER /I BALSA WRECR PLOI 3/32CE MAUBITI SHEETOHORLEBIA NAWHEELFILL5/02 BALSA PA MBLGOGIBES3/HA BALSA BALRH//ELECTSOEET FUSEI TBkRTOCHI/A BALSAL HSHEET BOTTOM I/A MACBA SHEETTFB-STSOI BOARLERo A-AG BIGFUSELAGEVIEW RHBE RIBEECREIASIDE HA-ASCA BALSA ShEETTAPAENTRAL FIN-BORN PA THICE /PINE BLREE ELEV PUSBBODH A3A5 WING BOLD DOWN TAIL VEE TAIL JOINING DETAIL SCILD TO I/BSA HUES ADO I/4II/D CBI 3/B I/4BALSA r/ // H 50 I/B% H/B LIi R BALSA RIBS IC/BAILO I110 BALSA SHEET IC SEAM HTOP N BATTOR - II 11 CH% I/AELDO BBLHASECTION A/H APR BAWN BALSA TRAILISH EDGE STOCK RENAOE CROSS PECES WITS TAP GREET AGESC/B BALSA PR BALSASHEET I Ill/ID I FOR1SER F STA A F 1/4 BALSA C O PLHWAHB LG MOUNT AHERASE CHARD OGEHALL LENGTH PH WEB IS 63 OR SCRE AHOD 01 PS ZR TWH CYCLE MODEL AVIATION OSPREY INBER PLAR MS ARE BEMARCO ALLRNRTHISRRETI#680 NO OCR TEXT followed medium paper before final sanding Round fuselage according former sections long sweeping strokes except wing root landing gear plate should remain square Remove hatch complete its details Fuelproof inside nose forward firewall using tabs masking tape protect holes-and blind nut threads may prefer after covering Empennage Build internal frames V-tail first Note surface built I/o square inner leading edge final leading edge applied after sheeting complete Preassemble butt-jointed sheeting Lay completed frame over full side sheet glue place Apply slow-curing glue open side frame press down other prepared sheet Sand leading edge flat block install final leading edge piece shape Kerf butt end V-tail half 450 Finish-sand surfaces join halves 900 done best joint made similar dihedral joint Pin down surface jig up second surface 900 Cut elevators shape profile Sand assembly smooth proper contours Precover V-tail score covering #11 blade strip away surfaces mate good glue adhesion V-tail assembly properly seated guide formers shown will automatically assume proper incidence angle Dress fuselage sides required until V-tail seated accurately formers install after covering fuselage Final assembly Coat raw balsa Coverites BalsaRite will ensure good adhesion film Sand lightly cover model Since model will capable reaching very high altitudes cover bottom dark color top light color good visual orientation Trim flange stock canopy block up front rear run felt-tip pen has taped elevating block along its outline Cut line final trimming Cut canopy base sheet outline prefinish install canopy Install canopy hold-down screws Install engine landing gear RC equipment use Airtronics assembly complete check model balanced exactly shown Shift battery pack add ballast necessary get proper balance point Also check lateral balance Flying first difference will notice flying Osprey takeoff directional steering quite fine model just seems light its wheels fairly close CC will airborne before ready reason initial flights let Osprey run neutral elevator fly off gently Never yank off bully airplane next difference will notice Osprey looks different air keep close first flying until feel comfortable Also Ospreys high efficiency good thermaling soaring compared other models just does want come down must compensate have worry flying model its best L/D velocity slow will just mush stalled gently will remain straight ahead forced stall final difference landing hesitate circle two final lose altitude necessary Just like full-scale get wheels right onto ground kill excess speed dont run out runway Try some high simulated practice approaches first get used Osprey Osprey will have uniquelooking model distinctively better flight characteristics Osprey truly efficient model airplane will enjoy Let us hear successes Osprey will literally able soar eagles Winter 1281] Melville Ln Fairfax VA 22033 John Hunton 9154 Rixeyville Rd Rixeyville VA 22737 540 937-3545 H 703 874-4866 W JL-310 40 Si l VOOd construction tnevK tail tips cc racover trorn Germany Easy assemble easlo Radio Requires 4 Oh Wing Span 64 -O11if Flying Wt 55 lbs at bottom air foil Wing Area 725 sq Engine 40 46 20GPYEngine Super stable characteristics make Combo JL-310 wfrhundr Tiger 46 ABC or$129perfect new pilots Super Combo add 4 ch FM Radio$25499Fuel tank mheels landing gear Other Trainers Combos please call price descriptionspinner hardware etc IligI allt lowest price Americaare included Winner RIC HobbiesORDERS ONLY 800-7800100 15437 Proctor Aye Hacienda Hts CA 91745Informalion 626-961-6199 626-330-9351 April 1998 15 field shop AERO-STAND easiest way get plane up ready fly AERO-STAND safely conveniently cradles plane V Assemble planes field getting down knees straining back V Holds plane shop hinging covering installing R/C equipment V Safely stores completed model V 3 position cradle a4usts 4 7 & 11 dths v Sturdy steel tube construction corrosion resistant powder coated finish protective padding VDimensions 27 long x 31 tall VEasily supports model weights 55 Ibs VFolds down transport Stok #810 Al ROGTAN able Work Station Designed Comfort Mind qp MIDWEST PRODUCTS CO INC 400 S Indiana St PO Box 564 Hobart IN 46342 8001 348-3497E-Mail midwldts@pla-netnet Available favorite hobby source

lb \v7 Li Editors note first series three Bill Winter designs will appear MA during next few months Winter Trilogy features Osprey Ascender delta canard Jackpot 40-35-powered model based ]960s Lightning Bug sprey may look somewhat like trainer has high Owingand tricycle landing gear efficient aircraft average model therefore requires some experience skill fly its fullest capability Osprey aerodynamically clean hence faster trainer also has higher lift-to-drag ratio typical model inexperienced could lead difficulty landing skill level requried fly Osprey confidence above novice well intermediate qualified performance rewards definitely Osprey light touch fully responsive standard maneuvers can done fully inverted rated capable extended soaring its short coupling can remind birdlike efficency fly along rolling ridge upslope breeze Osprey capable extended flight bouyant wind gusty wind Bill Winter has sm-fed sky model CONSTRUCTION general select light balsa less six pounds per square foot Some balsa supply houses will hand-pick wood specified surcharge may list some common sizes guaranteed light weight Order extra pieces ensure matching substitutions needed Sheet balsa wing sheeting cannot quarter-grain splits upon bending wood must curl easily along its length facilitate matching airfoil contours eliminate tendencies pull free want light wood eliminate anything too mushy may still have pick out few firmer strips wing tail leading edges ideally soft/medium Aileron tail spars medium blocks must light wood Wood size specs given plans generally mentioned directions Wing cores available Evans Aircraft 454 Wildrose Ln Bishop CA 93514 Covering materials choice use Coverite films paints Wing Make plywood pattems tip root ribs applying fullsize pattem contact cement say 1/i6 plywood Evans Aircraft has rib templates file Note plan rib profiles include chord reference line tip rib another chord line indicating degree washout Bring attention core supplier send away Prepare core blanks serve jigs core skinning operation cutting away portions would interfere balsa inner leading edge aileron spar Attach inner leading edges aileron spars wing panel Prepare skinning materials described skin provide servo cutouts cable access add root tip pieces trailing edge add tips join panels centerline wing leading edge center section cutout very last step Taper inner leading edge strip slightly oversize member will sanded match airfoil after has pinned glued place use yellow glue Use long straight pins alignment wrap short pieces masking tape ensure firm joint sight along wing check edges bowed outer leading edge attached later after skinning 8 Model Aviation ll WinterlJohn Hunton Photos Bernie Stuecker Graphic Design Carla Kunz pretapered eron spar pretapered since block sanding fits foam Attach rear spar same method leading edge Block-sand edges airfoil contours shown Before skinning sand aileron spar inner leading edge sanding board make piece plywood sandpaper attached spray contact adhesive cement Work repeated spanwise paths sanding root tip described skinning method several popular methods may prefer familiar may also favor assembling four wing skins before starting allow least -inch overlap along long edges tolerance minor layout errors double-stick tape also convenient put down skin section time 12 pieces Either way sheet pieces must precisely trimmed match using straightedge insure clean butting put down two four-inch-wide sheets both sides panel overlapping inner leading edge other overlapping trailing edge spar grain parallel edge remaining open triangle filled prefitted skin section after servo cutouts have made Make cardboard pattern servo cutouts locate outlines cut through skins rule #11 knife blade Excavate cavities servo mounting rails mount flush foam skin overlaps rails beyond cavity lines permit triangular skin pieces hand-fitted removed Install tailored pieces after servo rails glued Use spade drills sharpened tubing cut servo wire access tunnels front wing cutout made after finished sanded panels have joined root Note ailerons inboard outboard trailing edge chord extension pieces 1/2-inch-thick stock use standard trailing-edge stock ailerons sure quite light wood After gluing extensions place block sand tips square install tip blocks Sand tips proper profile Trim overlapping skins true/flush existing structure attach tapered outer leading edge piece Sand its top bottom faces time match airfoil Mark precise leading edge forward-most point straightedge felt-tip pen guidance shaping final shape leading edge critical good stall characteristics shaping accurately Gradually shape outer leading edge balsa plane roughing April 1998 9 sanding board sculpting desired profile Work paths root tip removing material progressively Finish fine sandpaper pad Cut wing roots proper angles horizontal vertical planes using table saw just shaping sanding boani over edge workbench use blocks jig up panel tips Spot-glue pin blocks bench wingtip Use long pins fine wire nails root leading trailing edges prevent movement plenty wood harmful sanding board held flush bench face used long-stroke milling action Check mating cores flush fit epoxy roots together blocking up panels required dihedral angle Use long straight pins masking tape help hold position crevices remain joint after epoxy has cured fill mixture epoxy microbalboons Outline cut front wing cutout Install facing plywood pieces spanwise plywood dowel plate glued first Note sides cutout slanted fit against fuselage sides Trial-fit wing fuselage checking two side cutout pieces fit snugly will butt against dowel plate Fill gaps sheet-balsa shims fit wing hold-down dowel put wing place holding true strips masking tape drill through hole former C has dowel hole predrilled Epoxy prepared dowel peg face 10 Model Aviation clean airframe capable extended flights low power soared typical thermals using trim control Ospreys bottom dark top white orientation high altitudes OS 25 power 15% nitro fuel recommended plate ensure accuracy put epoxy hole plate rub bit dowel reposition wing making sure accurate alignment Use waxed paper prevent gluing plate dowel former C Cut out semicircular bolt plate 1/is plywood Place vise force partial cracking along its centerline Set required dihedral angle glue top wing Mark centers rear wing hold-down bolts wing still place drill 3As holes through wing hold-down blocks within fuselage Remove wing enlarge wing hold-down bolt holes drill Tap hold-down blocks -20 take -inch nylon bolts Apply two-inch-wide fiberglass light weight over top bottom center section joint Trial-fit control horns ailerons dry run hinges minimum gap between ailerons aileron spar slotting depends type hinge decide use Nylon strip hinges simple light strong anything else properly installed Strip hinge slots can accurately cut #11 blade Mark positions exacfly use something straight guide cuffing sure cut parallel hinge line Since wing core foam will need appropriate type cyanoacrylate CyA glue avoid melting foam Use epoxy other hinge types Trim sand wing final profile clean vacuum Shape ailerons required sand wing ready cover Install ailerons servos linkages after covering film Fuselage ensure precise alignment vital Osprey dress ends doublers crosspieces flush fits assembly procedure fuselage different normal practice bottom fuselage jigs sides compelled join centerline method ensures accurate wing tail incidence well thrusfline specs platform rearmost formers lock fin stab components V-tail good flight tracking top view plans actually looking down bottom shows structural locations Butt-join three-inch -inch piece /32 21 inches long Mark centerline station locations C F inclusive square mark distance outer surface fuselage sides station line Connect points curve ruler pin down temporary strip serve marking guide trim outline until after fuselage assembly squared away Pin marked-off bottom piece work surface same manner lay out ard bottom piece pin down line aft piece leaving two-inch-wide gap Align April1998 11 N Wing servo cutouts made hardwood servo rails inserted final sheeting added Sheet covers mounting strips Sub-leading trailing edge members coated Titebond held tightly place masking tape Evans Aircraft tape used adhere wing sheeting Full-width sheets used LE TE center filled later Final servo mounting hole servo wire access hole fixed trailing edge parts visible straightedge along both centerlines Lay out fuselage sides 36-inch length /32 balsa duplicating outline plan edges must straight except jog t juncture Trim straightedge necessary butt-join sheet necessary make sides wide enough Use straight bottom line guide square mark upright positions Trim outline Use blank trace outlines second blank side pin blank sides together sand outlines conform Mark L R inside face side Locate longerons doublers crosspieces etc excepting forward firewall side frame checking width slots fit firewall former C scrap wood Cut firewall formers t fill pieces V-tail seat must cut precisely note elevation measurement plan Drill firewall holes blind nuts fuel lines linkages Install blind nuts combinition engine/gear mount Check B C D identical widths install three side frame Before gluing check snugness 900 angle side using triangle Dry fit opposite side B C D Rest structure bench checking alignment over full length no daylight showing between bench frame See parts fully seated before using CyA before yellow glue sets Cut plywood landing gear plate fit mark drill screw holes install blind nuts Glue plate seen side view vertical side pieces butt its top surface Glue triangular side comer pieces plate Cut bottom crosspieces length over plan allowing 3A2 side thickness aft landing gear station C additional w doubler thickness Pin partially assembled sides bottom shect far aft Left servo nose wheel steering center elevator right throttle simplicity rudder used station D glue Before joining sides rear install midcabin crosspiece hardwood servo rails hold-down block helps prevent distortion sides bent Join sides rear pinning gluing station D tail ease bending moisten local area cut tiny wedges Zona saw cuts inner face longerons to-be-bent area see top view Glue t pieces E F Gin place bottom rear faces bottom crosspieces pull sides square top gluing use clamps protect side suiface plywood scraps Before closing fuselage top locate wing described wing construction drill dowel holes Add two top crosspieces forward tail surfaces Fuelproof tank compartment epoxy Complete tank steering arm involved linkage installations Glue nose laminations forward firewall Sand front nose sanding block fit nose plywood ring suggested first niount spinner backplate engine temporarily mount engine trace outline spinner plate guide location former Use #11 blade carefully slope rear longerons 450 required mounting tail assembly Trim wing saddle close fit slope match wing dihedral Make elevator pushrod assembly before sheeting rear fuselage top Sheet nose top fore aft hatch ends note square side top comer pieces extend beyond firewall former Fit wing place mark flat areas should remain fair ribs side Spot-glue tank hatch place take down matching contours during sanding fuselage Rough-shape nose contours coarse sanding block elevator linkage requires flexibility two planes looped setup devised Wingtips placed center section sanded proper mating Trial-fit engine mount remove finishing Throughly angle Finish-sand panel prior joining fuelproof engine compartment guard against fuel soak 12 Model Aviation L I/A FORRAGEAILERON IBEAB ARE RERTEWN USA RIGHT RINGyeA/C PLOW/1 2-0/4 UNDER EACH TIP 1S1 OGERLATDGSASPRBEE \r ouFIBERGLASS CLArAWING SKIN OEAMRI LI DIA AUGERSSIDE TO NJ/FII_____ EDTEND EDAE OF ROTTOMLICRALSA LE NORD TO FGAM TRI- SIHOGSWAB TA SHAPE DOVER WITH PIG GRIM\\FUSElAGE TOP VIEWFTOPTHEN AHOY I/A SALSA FINAL BEVEL AS- DIHEDRAL DETAIL I/B LTD PLO K FORMER ________________I/H BALSA ODEET FORIsER E CA BALRO--- -M--Tf-C---*-----391 1/2 BALSA TRI- RTHCBPG BALSAB MBCSALIR FLYWOHOCA GAI/A HA PG BALSA HREETRREETRHEET BOTTOM L S MOUNT BALSASPRACE SHEET SIREShOISTS I/A NJ NOTE D BOTTAM OP FARELAGE FOST I MACGA HOWN- ERECT SIRES DSTH BOTTA THEN ARE TAP PARTS ---- / CA poLEFT SIDE A6 SCREW0 CLEARF ROTORT\ LjHIGTTSIAE{ DB L/AR/ORATER DETAILPLASTIC TANOPOOFFSETijIi GCA ASAIS AT /FSSEET TOPSHOE GIBES AG HEBAIHEB FOB OEE TAIL SO SEAT OCCIWATECO INTO ____________________ 5EROH3C1/4HEAGOOp5~IOEET ji-T--]ToCIII411/ A-.rDAROMATTERS I5jT4SERBACSAJCLIIIII ICODOWELS~ A--4iJNOSE DOUBLER /I BALSA WRECR PLOI 3/32CE MAUBITI SHEETOHORLEBIA NAWHEELFILL5/02 BALSA PA MBLGOGIBES3/HA BALSA BALRH//ELECTSOEET FUSEI TBkRTOCHI/A BALSAL HSHEET BOTTOM I/A MACBA SHEETTFB-STSOI BOARLERo A-AG BIGFUSELAGEVIEW RHBE RIBEECREIASIDE HA-ASCA BALSA ShEETTAPAENTRAL FIN-BORN PA THICE /PINE BLREE ELEV PUSBBODH A3A5 WING BOLD DOWN TAIL VEE TAIL JOINING DETAIL SCILD TO I/BSA HUES ADO I/4II/D CBI 3/B I/4BALSA r/ // H 50 I/B% H/B LIi R BALSA RIBS IC/BAILO I110 BALSA SHEET IC SEAM HTOP N BATTOR - II 11 CH% I/AELDO BBLHASECTION A/H APR BAWN BALSA TRAILISH EDGE STOCK RENAOE CROSS PECES WITS TAP GREET AGESC/B BALSA PR BALSASHEET I Ill/ID I FOR1SER F STA A F 1/4 BALSA C O PLHWAHB LG MOUNT AHERASE CHARD OGEHALL LENGTH PH WEB IS 63 OR SCRE AHOD 01 PS ZR TWH CYCLE MODEL AVIATION OSPREY INBER PLAR MS ARE BEMARCO ALLRNRTHISRRETI#680 NO OCR TEXT followed medium paper before final sanding Round fuselage according former sections long sweeping strokes except wing root landing gear plate should remain square Remove hatch complete its details Fuelproof inside nose forward firewall using tabs masking tape protect holes-and blind nut threads may prefer after covering Empennage Build internal frames V-tail first Note surface built I/o square inner leading edge final leading edge applied after sheeting complete Preassemble butt-jointed sheeting Lay completed frame over full side sheet glue place Apply slow-curing glue open side frame press down other prepared sheet Sand leading edge flat block install final leading edge piece shape Kerf butt end V-tail half 450 Finish-sand surfaces join halves 900 done best joint made similar dihedral joint Pin down surface jig up second surface 900 Cut elevators shape profile Sand assembly smooth proper contours Precover V-tail score covering #11 blade strip away surfaces mate good glue adhesion V-tail assembly properly seated guide formers shown will automatically assume proper incidence angle Dress fuselage sides required until V-tail seated accurately formers install after covering fuselage Final assembly Coat raw balsa Coverites BalsaRite will ensure good adhesion film Sand lightly cover model Since model will capable reaching very high altitudes cover bottom dark color top light color good visual orientation Trim flange stock canopy block up front rear run felt-tip pen has taped elevating block along its outline Cut line final trimming Cut canopy base sheet outline prefinish install canopy Install canopy hold-down screws Install engine landing gear RC equipment use Airtronics assembly complete check model balanced exactly shown Shift battery pack add ballast necessary get proper balance point Also check lateral balance Flying first difference will notice flying Osprey takeoff directional steering quite fine model just seems light its wheels fairly close CC will airborne before ready reason initial flights let Osprey run neutral elevator fly off gently Never yank off bully airplane next difference will notice Osprey looks different air keep close first flying until feel comfortable Also Ospreys high efficiency good thermaling soaring compared other models just does want come down must compensate have worry flying model its best L/D velocity slow will just mush stalled gently will remain straight ahead forced stall final difference landing hesitate circle two final lose altitude necessary Just like full-scale get wheels right onto ground kill excess speed dont run out runway Try some high simulated practice approaches first get used Osprey Osprey will have uniquelooking model distinctively better flight characteristics Osprey truly efficient model airplane will enjoy Let us hear successes Osprey will literally able soar eagles Winter 1281] Melville Ln Fairfax VA 22033 John Hunton 9154 Rixeyville Rd Rixeyville VA 22737 540 937-3545 H 703 874-4866 W JL-310 40 Si l VOOd construction tnevK tail tips cc racover trorn Germany Easy assemble easlo Radio Requires 4 Oh Wing Span 64 -O11if Flying Wt 55 lbs at bottom air foil Wing Area 725 sq Engine 40 46 20GPYEngine Super stable characteristics make Combo JL-310 wfrhundr Tiger 46 ABC or$129perfect new pilots Super Combo add 4 ch FM Radio$25499Fuel tank mheels landing gear Other Trainers Combos please call price descriptionspinner hardware etc IligI allt lowest price Americaare included Winner RIC HobbiesORDERS ONLY 800-7800100 15437 Proctor Aye Hacienda Hts CA 91745Informalion 626-961-6199 626-330-9351 April 1998 15 field shop AERO-STAND easiest way get plane up ready fly AERO-STAND safely conveniently cradles plane V Assemble planes field getting down knees straining back V Holds plane shop hinging covering installing R/C equipment V Safely stores completed model V 3 position cradle a4usts 4 7 & 11 dths v Sturdy steel tube construction corrosion resistant powder coated finish protective padding VDimensions 27 long x 31 tall VEasily supports model weights 55 Ibs VFolds down transport Stok #810 Al ROGTAN able Work Station Designed Comfort Mind qp MIDWEST PRODUCTS CO INC 400 S Indiana St PO Box 564 Hobart IN 46342 8001 348-3497E-Mail midwldts@pla-netnet Available favorite hobby source

lb \v7 Li Editors note first series three Bill Winter designs will appear MA during next few months Winter Trilogy features Osprey Ascender delta canard Jackpot 40-35-powered model based ]960s Lightning Bug sprey may look somewhat like trainer has high Owingand tricycle landing gear efficient aircraft average model therefore requires some experience skill fly its fullest capability Osprey aerodynamically clean hence faster trainer also has higher lift-to-drag ratio typical model inexperienced could lead difficulty landing skill level requried fly Osprey confidence above novice well intermediate qualified performance rewards definitely Osprey light touch fully responsive standard maneuvers can done fully inverted rated capable extended soaring its short coupling can remind birdlike efficency fly along rolling ridge upslope breeze Osprey capable extended flight bouyant wind gusty wind Bill Winter has sm-fed sky model CONSTRUCTION general select light balsa less six pounds per square foot Some balsa supply houses will hand-pick wood specified surcharge may list some common sizes guaranteed light weight Order extra pieces ensure matching substitutions needed Sheet balsa wing sheeting cannot quarter-grain splits upon bending wood must curl easily along its length facilitate matching airfoil contours eliminate tendencies pull free want light wood eliminate anything too mushy may still have pick out few firmer strips wing tail leading edges ideally soft/medium Aileron tail spars medium blocks must light wood Wood size specs given plans generally mentioned directions Wing cores available Evans Aircraft 454 Wildrose Ln Bishop CA 93514 Covering materials choice use Coverite films paints Wing Make plywood pattems tip root ribs applying fullsize pattem contact cement say 1/i6 plywood Evans Aircraft has rib templates file Note plan rib profiles include chord reference line tip rib another chord line indicating degree washout Bring attention core supplier send away Prepare core blanks serve jigs core skinning operation cutting away portions would interfere balsa inner leading edge aileron spar Attach inner leading edges aileron spars wing panel Prepare skinning materials described skin provide servo cutouts cable access add root tip pieces trailing edge add tips join panels centerline wing leading edge center section cutout very last step Taper inner leading edge strip slightly oversize member will sanded match airfoil after has pinned glued place use yellow glue Use long straight pins alignment wrap short pieces masking tape ensure firm joint sight along wing check edges bowed outer leading edge attached later after skinning 8 Model Aviation ll WinterlJohn Hunton Photos Bernie Stuecker Graphic Design Carla Kunz pretapered eron spar pretapered since block sanding fits foam Attach rear spar same method leading edge Block-sand edges airfoil contours shown Before skinning sand aileron spar inner leading edge sanding board make piece plywood sandpaper attached spray contact adhesive cement Work repeated spanwise paths sanding root tip described skinning method several popular methods may prefer familiar may also favor assembling four wing skins before starting allow least -inch overlap along long edges tolerance minor layout errors double-stick tape also convenient put down skin section time 12 pieces Either way sheet pieces must precisely trimmed match using straightedge insure clean butting put down two four-inch-wide sheets both sides panel overlapping inner leading edge other overlapping trailing edge spar grain parallel edge remaining open triangle filled prefitted skin section after servo cutouts have made Make cardboard pattern servo cutouts locate outlines cut through skins rule #11 knife blade Excavate cavities servo mounting rails mount flush foam skin overlaps rails beyond cavity lines permit triangular skin pieces hand-fitted removed Install tailored pieces after servo rails glued Use spade drills sharpened tubing cut servo wire access tunnels front wing cutout made after finished sanded panels have joined root Note ailerons inboard outboard trailing edge chord extension pieces 1/2-inch-thick stock use standard trailing-edge stock ailerons sure quite light wood After gluing extensions place block sand tips square install tip blocks Sand tips proper profile Trim overlapping skins true/flush existing structure attach tapered outer leading edge piece Sand its top bottom faces time match airfoil Mark precise leading edge forward-most point straightedge felt-tip pen guidance shaping final shape leading edge critical good stall characteristics shaping accurately Gradually shape outer leading edge balsa plane roughing April 1998 9 sanding board sculpting desired profile Work paths root tip removing material progressively Finish fine sandpaper pad Cut wing roots proper angles horizontal vertical planes using table saw just shaping sanding boani over edge workbench use blocks jig up panel tips Spot-glue pin blocks bench wingtip Use long pins fine wire nails root leading trailing edges prevent movement plenty wood harmful sanding board held flush bench face used long-stroke milling action Check mating cores flush fit epoxy roots together blocking up panels required dihedral angle Use long straight pins masking tape help hold position crevices remain joint after epoxy has cured fill mixture epoxy microbalboons Outline cut front wing cutout Install facing plywood pieces spanwise plywood dowel plate glued first Note sides cutout slanted fit against fuselage sides Trial-fit wing fuselage checking two side cutout pieces fit snugly will butt against dowel plate Fill gaps sheet-balsa shims fit wing hold-down dowel put wing place holding true strips masking tape drill through hole former C has dowel hole predrilled Epoxy prepared dowel peg face 10 Model Aviation clean airframe capable extended flights low power soared typical thermals using trim control Ospreys bottom dark top white orientation high altitudes OS 25 power 15% nitro fuel recommended plate ensure accuracy put epoxy hole plate rub bit dowel reposition wing making sure accurate alignment Use waxed paper prevent gluing plate dowel former C Cut out semicircular bolt plate 1/is plywood Place vise force partial cracking along its centerline Set required dihedral angle glue top wing Mark centers rear wing hold-down bolts wing still place drill 3As holes through wing hold-down blocks within fuselage Remove wing enlarge wing hold-down bolt holes drill Tap hold-down blocks -20 take -inch nylon bolts Apply two-inch-wide fiberglass light weight over top bottom center section joint Trial-fit control horns ailerons dry run hinges minimum gap between ailerons aileron spar slotting depends type hinge decide use Nylon strip hinges simple light strong anything else properly installed Strip hinge slots can accurately cut #11 blade Mark positions exacfly use something straight guide cuffing sure cut parallel hinge line Since wing core foam will need appropriate type cyanoacrylate CyA glue avoid melting foam Use epoxy other hinge types Trim sand wing final profile clean vacuum Shape ailerons required sand wing ready cover Install ailerons servos linkages after covering film Fuselage ensure precise alignment vital Osprey dress ends doublers crosspieces flush fits assembly procedure fuselage different normal practice bottom fuselage jigs sides compelled join centerline method ensures accurate wing tail incidence well thrusfline specs platform rearmost formers lock fin stab components V-tail good flight tracking top view plans actually looking down bottom shows structural locations Butt-join three-inch -inch piece /32 21 inches long Mark centerline station locations C F inclusive square mark distance outer surface fuselage sides station line Connect points curve ruler pin down temporary strip serve marking guide trim outline until after fuselage assembly squared away Pin marked-off bottom piece work surface same manner lay out ard bottom piece pin down line aft piece leaving two-inch-wide gap Align April1998 11 N Wing servo cutouts made hardwood servo rails inserted final sheeting added Sheet covers mounting strips Sub-leading trailing edge members coated Titebond held tightly place masking tape Evans Aircraft tape used adhere wing sheeting Full-width sheets used LE TE center filled later Final servo mounting hole servo wire access hole fixed trailing edge parts visible straightedge along both centerlines Lay out fuselage sides 36-inch length /32 balsa duplicating outline plan edges must straight except jog t juncture Trim straightedge necessary butt-join sheet necessary make sides wide enough Use straight bottom line guide square mark upright positions Trim outline Use blank trace outlines second blank side pin blank sides together sand outlines conform Mark L R inside face side Locate longerons doublers crosspieces etc excepting forward firewall side frame checking width slots fit firewall former C scrap wood Cut firewall formers t fill pieces V-tail seat must cut precisely note elevation measurement plan Drill firewall holes blind nuts fuel lines linkages Install blind nuts combinition engine/gear mount Check B C D identical widths install three side frame Before gluing check snugness 900 angle side using triangle Dry fit opposite side B C D Rest structure bench checking alignment over full length no daylight showing between bench frame See parts fully seated before using CyA before yellow glue sets Cut plywood landing gear plate fit mark drill screw holes install blind nuts Glue plate seen side view vertical side pieces butt its top surface Glue triangular side comer pieces plate Cut bottom crosspieces length over plan allowing 3A2 side thickness aft landing gear station C additional w doubler thickness Pin partially assembled sides bottom shect far aft Left servo nose wheel steering center elevator right throttle simplicity rudder used station D glue Before joining sides rear install midcabin crosspiece hardwood servo rails hold-down block helps prevent distortion sides bent Join sides rear pinning gluing station D tail ease bending moisten local area cut tiny wedges Zona saw cuts inner face longerons to-be-bent area see top view Glue t pieces E F Gin place bottom rear faces bottom crosspieces pull sides square top gluing use clamps protect side suiface plywood scraps Before closing fuselage top locate wing described wing construction drill dowel holes Add two top crosspieces forward tail surfaces Fuelproof tank compartment epoxy Complete tank steering arm involved linkage installations Glue nose laminations forward firewall Sand front nose sanding block fit nose plywood ring suggested first niount spinner backplate engine temporarily mount engine trace outline spinner plate guide location former Use #11 blade carefully slope rear longerons 450 required mounting tail assembly Trim wing saddle close fit slope match wing dihedral Make elevator pushrod assembly before sheeting rear fuselage top Sheet nose top fore aft hatch ends note square side top comer pieces extend beyond firewall former Fit wing place mark flat areas should remain fair ribs side Spot-glue tank hatch place take down matching contours during sanding fuselage Rough-shape nose contours coarse sanding block elevator linkage requires flexibility two planes looped setup devised Wingtips placed center section sanded proper mating Trial-fit engine mount remove finishing Throughly angle Finish-sand panel prior joining fuelproof engine compartment guard against fuel soak 12 Model Aviation L I/A FORRAGEAILERON IBEAB ARE RERTEWN USA RIGHT RINGyeA/C PLOW/1 2-0/4 UNDER EACH TIP 1S1 OGERLATDGSASPRBEE \r ouFIBERGLASS CLArAWING SKIN OEAMRI LI DIA AUGERSSIDE TO NJ/FII_____ EDTEND EDAE OF ROTTOMLICRALSA LE NORD TO FGAM TRI- SIHOGSWAB TA SHAPE DOVER WITH PIG GRIM\\FUSElAGE TOP VIEWFTOPTHEN AHOY I/A SALSA FINAL BEVEL AS- DIHEDRAL DETAIL I/B LTD PLO K FORMER ________________I/H BALSA ODEET FORIsER E CA BALRO--- -M--Tf-C---*-----391 1/2 BALSA TRI- RTHCBPG BALSAB MBCSALIR FLYWOHOCA GAI/A HA PG BALSA HREETRREETRHEET BOTTOM L S MOUNT BALSASPRACE SHEET SIREShOISTS I/A NJ NOTE D BOTTAM OP FARELAGE FOST I MACGA HOWN- ERECT SIRES DSTH BOTTA THEN ARE TAP PARTS ---- / CA poLEFT SIDE A6 SCREW0 CLEARF ROTORT\ LjHIGTTSIAE{ DB L/AR/ORATER DETAILPLASTIC TANOPOOFFSETijIi GCA ASAIS AT /FSSEET TOPSHOE GIBES AG HEBAIHEB FOB OEE TAIL SO SEAT OCCIWATECO INTO ____________________ 5EROH3C1/4HEAGOOp5~IOEET ji-T--]ToCIII411/ A-.rDAROMATTERS I5jT4SERBACSAJCLIIIII ICODOWELS~ A--4iJNOSE DOUBLER /I BALSA WRECR PLOI 3/32CE MAUBITI SHEETOHORLEBIA NAWHEELFILL5/02 BALSA PA MBLGOGIBES3/HA BALSA BALRH//ELECTSOEET FUSEI TBkRTOCHI/A BALSAL HSHEET BOTTOM I/A MACBA SHEETTFB-STSOI BOARLERo A-AG BIGFUSELAGEVIEW RHBE RIBEECREIASIDE HA-ASCA BALSA ShEETTAPAENTRAL FIN-BORN PA THICE /PINE BLREE ELEV PUSBBODH A3A5 WING BOLD DOWN TAIL VEE TAIL JOINING DETAIL SCILD TO I/BSA HUES ADO I/4II/D CBI 3/B I/4BALSA r/ // H 50 I/B% H/B LIi R BALSA RIBS IC/BAILO I110 BALSA SHEET IC SEAM HTOP N BATTOR - II 11 CH% I/AELDO BBLHASECTION A/H APR BAWN BALSA TRAILISH EDGE STOCK RENAOE CROSS PECES WITS TAP GREET AGESC/B BALSA PR BALSASHEET I Ill/ID I FOR1SER F STA A F 1/4 BALSA C O PLHWAHB LG MOUNT AHERASE CHARD OGEHALL LENGTH PH WEB IS 63 OR SCRE AHOD 01 PS ZR TWH CYCLE MODEL AVIATION OSPREY INBER PLAR MS ARE BEMARCO ALLRNRTHISRRETI#680 NO OCR TEXT followed medium paper before final sanding Round fuselage according former sections long sweeping strokes except wing root landing gear plate should remain square Remove hatch complete its details Fuelproof inside nose forward firewall using tabs masking tape protect holes-and blind nut threads may prefer after covering Empennage Build internal frames V-tail first Note surface built I/o square inner leading edge final leading edge applied after sheeting complete Preassemble butt-jointed sheeting Lay completed frame over full side sheet glue place Apply slow-curing glue open side frame press down other prepared sheet Sand leading edge flat block install final leading edge piece shape Kerf butt end V-tail half 450 Finish-sand surfaces join halves 900 done best joint made similar dihedral joint Pin down surface jig up second surface 900 Cut elevators shape profile Sand assembly smooth proper contours Precover V-tail score covering #11 blade strip away surfaces mate good glue adhesion V-tail assembly properly seated guide formers shown will automatically assume proper incidence angle Dress fuselage sides required until V-tail seated accurately formers install after covering fuselage Final assembly Coat raw balsa Coverites BalsaRite will ensure good adhesion film Sand lightly cover model Since model will capable reaching very high altitudes cover bottom dark color top light color good visual orientation Trim flange stock canopy block up front rear run felt-tip pen has taped elevating block along its outline Cut line final trimming Cut canopy base sheet outline prefinish install canopy Install canopy hold-down screws Install engine landing gear RC equipment use Airtronics assembly complete check model balanced exactly shown Shift battery pack add ballast necessary get proper balance point Also check lateral balance Flying first difference will notice flying Osprey takeoff directional steering quite fine model just seems light its wheels fairly close CC will airborne before ready reason initial flights let Osprey run neutral elevator fly off gently Never yank off bully airplane next difference will notice Osprey looks different air keep close first flying until feel comfortable Also Ospreys high efficiency good thermaling soaring compared other models just does want come down must compensate have worry flying model its best L/D velocity slow will just mush stalled gently will remain straight ahead forced stall final difference landing hesitate circle two final lose altitude necessary Just like full-scale get wheels right onto ground kill excess speed dont run out runway Try some high simulated practice approaches first get used Osprey Osprey will have uniquelooking model distinctively better flight characteristics Osprey truly efficient model airplane will enjoy Let us hear successes Osprey will literally able soar eagles Winter 1281] Melville Ln Fairfax VA 22033 John Hunton 9154 Rixeyville Rd Rixeyville VA 22737 540 937-3545 H 703 874-4866 W JL-310 40 Si l VOOd construction tnevK tail tips cc racover trorn Germany Easy assemble easlo Radio Requires 4 Oh Wing Span 64 -O11if Flying Wt 55 lbs at bottom air foil Wing Area 725 sq Engine 40 46 20GPYEngine Super stable characteristics make Combo JL-310 wfrhundr Tiger 46 ABC or$129perfect new pilots Super Combo add 4 ch FM Radio$25499Fuel tank mheels landing gear Other Trainers Combos please call price descriptionspinner hardware etc IligI allt lowest price Americaare included Winner RIC HobbiesORDERS ONLY 800-7800100 15437 Proctor Aye Hacienda Hts CA 91745Informalion 626-961-6199 626-330-9351 April 1998 15 field shop AERO-STAND easiest way get plane up ready fly AERO-STAND safely conveniently cradles plane V Assemble planes field getting down knees straining back V Holds plane shop hinging covering installing R/C equipment V Safely stores completed model V 3 position cradle a4usts 4 7 & 11 dths v Sturdy steel tube construction corrosion resistant powder coated finish protective padding VDimensions 27 long x 31 tall VEasily supports model weights 55 Ibs VFolds down transport Stok #810 Al ROGTAN able Work Station Designed Comfort Mind qp MIDWEST PRODUCTS CO INC 400 S Indiana St PO Box 564 Hobart IN 46342 8001 348-3497E-Mail midwldts@pla-netnet Available favorite hobby source