Low-Cost Foam Cutter

Lcw Ccst 1cm Citter Styrofoam-core wings have advantages over conventional built-up wings can provide accurate airfoil faster assembly times Presented low-cost jig cutting own custom foam wing cores cutter features hands-off operation good results very first fly Everything need build foam cutter available local hobby shop home center Radio Shack exception power supply materials can purchased less $30 Some materials probably already have workshop aluminum channel may seem odd-sized what found local home center dont need expensive power Wheel must have round profile allow bow rock side-to- Short ends bow arms go ends bow bases Fit beneath side wire follows templates cutting bolts wire tension holds place 68 Model Aviation nel cut 44-inch 28-inch pieces Channel sizes may seem odd stock items home-center Attach swing bar base bolt washers lock nut Use washers between pieces swing bar moves freely U Mark FreeHand & Jim Young supply power foam cutter manual automotive battery charger such Sears #7 1206 constant-cunent Ni-Cd charger will work just fine Automatic peakdetecting chargers will work Whatever choose power foam cutter must able put Out 15-2 amps 14-16 volts Assembly Cut 5V channel two piecesone 44 inches long other 28 inches long Drill three holes rollers top 44-inch piece hole inch end hole 14 inches end Drill two holes front side channel i side center Drill pivot point way through front side channel 1 inch right end piece will cutter base Drill pivot point way through 28-inch piece channel 1 inch end piece will swing bar Mount nylon rollers cutter base using bolts provided Mount two rollers top other two front two center holes Use hole 14 inches end using smaller cutting bow sure rollers turn freely smoothly Attach swing bar base 632 bolt washers lock nut Use washers between two pieces swing bar moves freely base can clamped screwed taped workbench cutting However mount make sure rollers swing arm move freely Cut 33/&t channel two pieces 42 inches long 30 inches long pieces bow bases Cut 3A6 music wire two equal pieces bend make bend approximately 80 three inches end bow arms Drill two A2 holes way through sides nel pieces holes should two inches end approximately /s top channel Tap holes 6-32 threads Install 6-32 bolts holes trim flush channel should able fit 3/th music wire between bolt top channel top center bow bases drill holes particular nose wheel bracket mount bases Attach Photos author Graohic Desian Julie Anne Visco June 1997 69 Base can mounted workbench variety ways key bow arms equal-length pieces 3A6 music wire sure rollers swing arm free move bend approximately 800 three inches end Two 3A6 wheel collars slight gap between attached Clip test probe wires end cutting wire Attach wires bow arms Wire fits between collars Nyrod insulator swing bar binder clips spring clamps landing gear wire bend back allow wheel caster Secure wheel appropriate wheel collars wheel must have round profile allow bow rock side side wire follows templates cutting flat-treaded wheel can made round dressing disk belt sander Insert short ends bow aims end bow bases inserted under bolts held place wire tension bow anils nose wheel wire can transferred between two bases cut different-length wings Secure two /I6 wheel collars ends of bow arms leaving small gap between Attach nichrome wire bow arms between wheel collars winding back itself several times side slip small piece inner Nyrod over wire act insulator between wire bow arm Keep wire smooth possible avoid kinking will affect smoothly foam cut wire should have enough tension pull bow arms square bow base Cut test-probe wire two 10-foot pieces solder alligator clip end wire other end attach clip plug can used attach wire battery charger power supply 70 Model Aviation Materials Item 1~/e4 x /16 x 1/16 x 72 aluminum channel 1~/64 x x 1/16 x 72 aluminum channel 4one-inch nylon screen door replacement rollers bushed type works best 1one-inch Nyrod inner 13/16x 36 music wire 4/i wheel collars 36-32 x 1/2 bolts 2#6 washers 16-32 locknut 140-size nose wheel mount landing gear associated hardware 12-3-inch wheel 15-foot length Sig nichrome wire 2binder clips spring clamps 2alligator clips 120-foot 2OAWG test probe wire Radio Shack 278-563A 11 2V 2A battery charger other suitable power supply Templates required top bottom surface wing root tip Use scrap Formica c board templates Keeping test leads tight adjust wire clamp location wing blank position until wire parallel wing LE/TE Ready cut Attach test leads power supply battery charger turn stand back Use adequate ventilation Once get hang cutter setup will spend time making templates cutting foam wire recommended very flexible can carry required current attempt use stiffer smallergauge wire may affect movement bow pose fire hazard Set up cutter clipping testprobe wires end cutting wire Route wires around rollers top base down over rollers front Attach wires swing bar binder clips spring clamps Cutting Foam Wing Panels Prepare wing templates top bottom surface wing root tip Scrap Formica printed-circuit board good template materials top male template should final wing profile bottom female template should allow thickness cutting wire templates should also take account leading tralling edges thickness wing sheeting templates should have least -inch flat lead-in lead-out area support cutting wire front behind foam blank Drill two holes templates use pop rivets nails hold templates foam holes template pairs should line up same holes foam can used hold two templates Prepare foam wing blanks cutting foam desired outline wing panel Use blue extruded foam white beaded foam use urethane polyester P VCfoamsthe fumes toxic Weight foam blank behind cutter base wing leading edge pointing away base thin wing sections may necessary put board under blank keep tips bow arms dragging workbench Attach bottom set templates ends foam leading edge templates lined up front blank Place bow behind foam blank wire leading edge Attach test probe wires cutting wire Route test probe wires around over rollers end swing bar approximately five inches below HOB~JHORSE 1769 Thierer RoadMadison WI 53704 C SERVOS - air ur,mrn urn . hna unaul Onam Radio0016 rrica Focus 2AM Single Stick 27112 MHz$7499 Focus4FM$12899 Focus 6 FM$15799 Flash 4 FM$14999 FIash5FM$16799 Challenger 250 AM$5499 Prism 72 FM$21999 Prism 72 PCM$23999 Prism 72 FM SPECTRA$29399 Prism 72 PCM SPECTRA$33499 SPECTRA Modules$9999 Prism 72 FM SPECTRA Transmitter aod ChargRr$19999 Focas 4 Transmitter charger Focos 6 Transmitter charger HITEC RECEIVERS ReceiverSale Price RCO Micro 035 wistal$9699 Supreme No w/otal$9299 PCM Rotor RiTec$9499 Micro 5-ch 75 MHz$4799 2-cS 27 & 75MHZ$2999 2ch AM Ro 27172 MHz$2999 50 75 MRz Cryotais$799 Shredder RX$3999 9-23$25999 939$29999 9-45$33999 8-62$35499 itemSale Price 5 EatottOton$499 12 Eatnoalon$499 24 Ealneatas$599 38 Eatenalon$999 H Boant/Butten Eatnonion$999 12 Booat/Suoer Eotenaion$999 24 Boost/Butter Eatensian$1099 36 Boast/BoDes Eatensine$1199 6$ Conoectar$799 24 V Connector$099 6 Boost/luff Y Coseector$999 Switch Harness$199 50 3-load Servo Wim$1199 Trainer curd Fetaha Compat$1199 Ciasaic COaSria$35499 0-Shash ME it$29499 NEWt Laser 209$32499 CAP 231$39999 90 Laanr$24999 60 8-Shath$17999 MAYGIVEAWAYFree#11 Blades Any Order Over $7500 ORDER TOLL FREE 1-800-604-6229 Info 608 241-3491 Fax 608 241-1313 6-Meit Addrens hnhhyhmrsniSlhohhyhttroeCOOfl Visit Ons Weh Aite mwwmniibn9Cttmlunerolhttbbyhorse Vtwa/MaaterCard Welcome PrICAS Good Through May 311997 Retail $595 $595 $695 $795 $1395 $1395 $1495 $1595 $995 $1095 $1595 $1995 $1495 $1495 Rote .... . Reserved servos $1500 additinoat ServoSnie Price HS-H9 ttupnr Micro 1500$3799 itS-SO Sab Micro 31 00$2399 95-99MG SeS Micrn$3799 RS9599 Super Mini earn, Siagin 963900$3299 9S-191 Mini 24 on$2199 $999593-101MG$3299 $20995HS-2OSRB Micro 42 oz$2699 $24995R$-2ttSMS$3799 $23995RS-225B9 Saper Miol $40495 icro 5000$3299 $9795Hg-309 Std Spod 42 50$1099 $3549592-422 Pro Servo 43 00$1399 $419959S-42SRU PrO 0001 BR 43 lo$1999 $59995RS-52569 High Speed 4700$3499 $56995RSS4SRB Hi Torqao 6200$3499 $10995HS-695B9 Ultra Tonqee 7700$3699 68-695MG Sit Torque 77 00$4599 $3499598-915MG BR 11000$4599 $4499HS-7006B Slant 13300$2999 $499995-TOSMS OlOnt 16000$4299 98-7566 Retract 9000$3999 RS-725BB Sail Winch 161 00$4799 95-A9SBR 224 90$3999 SY-lUSBO Bali Rearing GVro$9999 SERVO VALUE DEALS Switch Harness Pour 93-300Soon $59H Four 93-422Soon $695 Three HS-101 Thren OS-SO Three 93-20596 OS-US Save $597 Three 98-700 RS-422 SEVEN CHANNEL FLIGHT PACK 10010 400 Four HS-350 Soroos Switch HarnesS SuprorvO 7 ci Rocnivor channel choice 000 605 moh 90 Battery AvailaSlo S 1 connectors $10999 Avoilahie connocioro $11499 tour 98-422 servos add $700 Wiih tour HS-425 servos add $3500 tour HS-6tt5 serovo odd $18500 Retail $9995 99995 $13495 $695 $3995 $4495 $1395 $4995 June1997 73 Retail $5495 $3995 $5495 $4995 $3155 $4595 $4195 $6995 $4995 $1695 $1995 $2995 $5995 $5995 $5995 $7495 $7495 $4495 $5495 $5995 $7395 $7395 $13495 $4599 $5299 $5599 $7199 $10499 $9999 WSA radio control online base clip wires swing bar binder clips spring clamps cutting constant-chord wings two wires clamped together swing bar cutting tapered wings test probe wire connected wingtip end cutting wire must moved up swing bar toward pivot point compensates different distances wire must travel end wing Keeping test leads tight adjust wire clamp location wing blank position until cutting wire parallel leading edge start cutting parallel trailing edge end cutting may require several iterations get everything lined up bow behind wing blank adjust nose wheel bow until perpendicular cutting wire Place cutting wire wing templates line up wire leading edge tue blank Attach test leads battery charger power supply turn stand back may take few seconds wire heat up start cutting weight swing bar clamps will pull wire evenly through foam cuts Avoid breathing foam fumes sure work area well-ventilated cutting wire comes through trailing edge catch bow base wire turn off power supply Without moving wing blank remove bottom templates attach top templates repeat Once get hang setting up cutter will spend time making templates cutting foam nice thing have make four templates cut foam wing opposed ten ribs per side conventional built-up wing Foam-Cutting Tips Blue extruded foam stronger cuts better white beaded foam can regulate temperature cutting wire placement alligator clips Moving clips closer together will give hotter wire moving farther apart will give cooler wire wire too hot will drag middle foam resulting concave surface viewed front wire should cut slow pace about five inches minute Sheet Styrofoam has internal surface stresses especially blue extruded foam top bottom - inch wing blanks should cut off help prevent warping may helpful make several templates trimming foam blanks can use cutting bow trim wing blanks size Mark outline top foam Hang portion cut off over edge workbench Hang bow foam cutting wire align marks Make sure test lead wires hanging straight down bow will twist cuts Turn power supply let gravity rest cut washout wing use drill bit shank elevate tip template trailing edge set amount easier designing washout template Mark Freeland & Jim Young 7563 Wellington Brighton MI 48116 LnuIyinu 05 bUll uraviluri UIIIrUlIrlVUUUVVIflIlIII0l4IIIG & die-cut parts span 51 Length 41 Wing Area 75t Sq ln Engine 35-4520 45-6140 4 Ch Radio required $8999 yea feel cemlortable flying ene et todays popular trainers youd like try open ncale WWI lighter take clone look specs en Fakker D-7 RAE SE-SA wing leadlog almost glider-like aud its nice maken easily traus poable. tally assembledl Its easy build too tin ter beulnoers Uravitch um formed cc & die-cut parts span 50 th 4t Sq ln tngise 40-4t2C 50-7t4C 4 Cb $8999 Also MINI SUKHOI 049- 10 Powered $3299 P-47 RAZORBACK fl cowered $5499 FRET SAW 5mm Safety stroke reduces risk injury Sturdy die cast cosotruc tios 4 way blade psoitios ing rubber feet dampen vibrutios cuts plastic up 1/4 sos-ferrous metal up 1/5 Hardwood ply up 1/2 $129 95 MB490 HIGH TORQUE DRILL High torque drill witb pee d grip hi-efficiency too cooled motor ligbtweigbt keyless cbuck Hi-speed extendible cable 4 $3496 MB1S0 CIRCULAR SAW Die cast table greater accuracy rip fence pro doe straight cuts miterguide t-90 controlled cutting see thru bade guard added oufoty graduated scale murktable comes witb two 2 blades cuts wood up 1/4 plastic up 1/it, CR096 MB41IJ Jili Perfect cuttiug intricate shavo o, radii & scroll work comes witb 2 blades $5995 MB552 Note MINICRAFT tools DC powered require use power supply below M5730VAR SP Transformer$3495 MB StUNV SP TRANSFORMER$71 95 HOBBY HANGAR 1862 Peterburg Rd Hebren KY 41648 1 800 611 3860 rs OnI 606 334 4331 amer Serv Ce 606 334 4 33 Addt6 S pp &Hud gP Sse Chung oA m June 1997 75 Pults Dual Strut Nose Gears have established themselves industry standard after-market enhancements model aircraft Chc model right MOdI ni. vi gee OF 350 351/04 OF 400 4 en 450 451/0- OF 500 2 OF 510 O eFelo 0 OF 710 0 OF3eJ31005/30 OF 57J51075130 OF 7703 tO 053110 enoxo Pleaeo support hobby shop Direct add $300 S&H USA Fulfo Tooling P0 Box 155 Savoy IL 61874

Lcw Ccst 1cm Citter Styrofoam-core wings have advantages over conventional built-up wings can provide accurate airfoil faster assembly times Presented low-cost jig cutting own custom foam wing cores cutter features hands-off operation good results very first fly Everything need build foam cutter available local hobby shop home center Radio Shack exception power supply materials can purchased less $30 Some materials probably already have workshop aluminum channel may seem odd-sized what found local home center dont need expensive power Wheel must have round profile allow bow rock side-to- Short ends bow arms go ends bow bases Fit beneath side wire follows templates cutting bolts wire tension holds place 68 Model Aviation nel cut 44-inch 28-inch pieces Channel sizes may seem odd stock items home-center Attach swing bar base bolt washers lock nut Use washers between pieces swing bar moves freely U Mark FreeHand & Jim Young supply power foam cutter manual automotive battery charger such Sears #7 1206 constant-cunent Ni-Cd charger will work just fine Automatic peakdetecting chargers will work Whatever choose power foam cutter must able put Out 15-2 amps 14-16 volts Assembly Cut 5V channel two piecesone 44 inches long other 28 inches long Drill three holes rollers top 44-inch piece hole inch end hole 14 inches end Drill two holes front side channel i side center Drill pivot point way through front side channel 1 inch right end piece will cutter base Drill pivot point way through 28-inch piece channel 1 inch end piece will swing bar Mount nylon rollers cutter base using bolts provided Mount two rollers top other two front two center holes Use hole 14 inches end using smaller cutting bow sure rollers turn freely smoothly Attach swing bar base 632 bolt washers lock nut Use washers between two pieces swing bar moves freely base can clamped screwed taped workbench cutting However mount make sure rollers swing arm move freely Cut 33/&t channel two pieces 42 inches long 30 inches long pieces bow bases Cut 3A6 music wire two equal pieces bend make bend approximately 80 three inches end bow arms Drill two A2 holes way through sides nel pieces holes should two inches end approximately /s top channel Tap holes 6-32 threads Install 6-32 bolts holes trim flush channel should able fit 3/th music wire between bolt top channel top center bow bases drill holes particular nose wheel bracket mount bases Attach Photos author Graohic Desian Julie Anne Visco June 1997 69 Base can mounted workbench variety ways key bow arms equal-length pieces 3A6 music wire sure rollers swing arm free move bend approximately 800 three inches end Two 3A6 wheel collars slight gap between attached Clip test probe wires end cutting wire Attach wires bow arms Wire fits between collars Nyrod insulator swing bar binder clips spring clamps landing gear wire bend back allow wheel caster Secure wheel appropriate wheel collars wheel must have round profile allow bow rock side side wire follows templates cutting flat-treaded wheel can made round dressing disk belt sander Insert short ends bow aims end bow bases inserted under bolts held place wire tension bow anils nose wheel wire can transferred between two bases cut different-length wings Secure two /I6 wheel collars ends of bow arms leaving small gap between Attach nichrome wire bow arms between wheel collars winding back itself several times side slip small piece inner Nyrod over wire act insulator between wire bow arm Keep wire smooth possible avoid kinking will affect smoothly foam cut wire should have enough tension pull bow arms square bow base Cut test-probe wire two 10-foot pieces solder alligator clip end wire other end attach clip plug can used attach wire battery charger power supply 70 Model Aviation Materials Item 1~/e4 x /16 x 1/16 x 72 aluminum channel 1~/64 x x 1/16 x 72 aluminum channel 4one-inch nylon screen door replacement rollers bushed type works best 1one-inch Nyrod inner 13/16x 36 music wire 4/i wheel collars 36-32 x 1/2 bolts 2#6 washers 16-32 locknut 140-size nose wheel mount landing gear associated hardware 12-3-inch wheel 15-foot length Sig nichrome wire 2binder clips spring clamps 2alligator clips 120-foot 2OAWG test probe wire Radio Shack 278-563A 11 2V 2A battery charger other suitable power supply Templates required top bottom surface wing root tip Use scrap Formica c board templates Keeping test leads tight adjust wire clamp location wing blank position until wire parallel wing LE/TE Ready cut Attach test leads power supply battery charger turn stand back Use adequate ventilation Once get hang cutter setup will spend time making templates cutting foam wire recommended very flexible can carry required current attempt use stiffer smallergauge wire may affect movement bow pose fire hazard Set up cutter clipping testprobe wires end cutting wire Route wires around rollers top base down over rollers front Attach wires swing bar binder clips spring clamps Cutting Foam Wing Panels Prepare wing templates top bottom surface wing root tip Scrap Formica printed-circuit board good template materials top male template should final wing profile bottom female template should allow thickness cutting wire templates should also take account leading tralling edges thickness wing sheeting templates should have least -inch flat lead-in lead-out area support cutting wire front behind foam blank Drill two holes templates use pop rivets nails hold templates foam holes template pairs should line up same holes foam can used hold two templates Prepare foam wing blanks cutting foam desired outline wing panel Use blue extruded foam white beaded foam use urethane polyester P VCfoamsthe fumes toxic Weight foam blank behind cutter base wing leading edge pointing away base thin wing sections may necessary put board under blank keep tips bow arms dragging workbench Attach bottom set templates ends foam leading edge templates lined up front blank Place bow behind foam blank wire leading edge Attach test probe wires cutting wire Route test probe wires around over rollers end swing bar approximately five inches below HOB~JHORSE 1769 Thierer RoadMadison WI 53704 C SERVOS - air ur,mrn urn . hna unaul Onam Radio0016 rrica Focus 2AM Single Stick 27112 MHz$7499 Focus4FM$12899 Focus 6 FM$15799 Flash 4 FM$14999 FIash5FM$16799 Challenger 250 AM$5499 Prism 72 FM$21999 Prism 72 PCM$23999 Prism 72 FM SPECTRA$29399 Prism 72 PCM SPECTRA$33499 SPECTRA Modules$9999 Prism 72 FM SPECTRA Transmitter aod ChargRr$19999 Focas 4 Transmitter charger Focos 6 Transmitter charger HITEC RECEIVERS ReceiverSale Price RCO Micro 035 wistal$9699 Supreme No w/otal$9299 PCM Rotor RiTec$9499 Micro 5-ch 75 MHz$4799 2-cS 27 & 75MHZ$2999 2ch AM Ro 27172 MHz$2999 50 75 MRz Cryotais$799 Shredder RX$3999 9-23$25999 939$29999 9-45$33999 8-62$35499 itemSale Price 5 EatottOton$499 12 Eatnoalon$499 24 Ealneatas$599 38 Eatenalon$999 H Boant/Butten Eatnonion$999 12 Booat/Suoer Eotenaion$999 24 Boost/Butter Eatensian$1099 36 Boast/BoDes Eatensine$1199 6$ Conoectar$799 24 V Connector$099 6 Boost/luff Y Coseector$999 Switch Harness$199 50 3-load Servo Wim$1199 Trainer curd Fetaha Compat$1199 Ciasaic COaSria$35499 0-Shash ME it$29499 NEWt Laser 209$32499 CAP 231$39999 90 Laanr$24999 60 8-Shath$17999 MAYGIVEAWAYFree#11 Blades Any Order Over $7500 ORDER TOLL FREE 1-800-604-6229 Info 608 241-3491 Fax 608 241-1313 6-Meit Addrens hnhhyhmrsniSlhohhyhttroeCOOfl Visit Ons Weh Aite mwwmniibn9Cttmlunerolhttbbyhorse Vtwa/MaaterCard Welcome PrICAS Good Through May 311997 Retail $595 $595 $695 $795 $1395 $1395 $1495 $1595 $995 $1095 $1595 $1995 $1495 $1495 Rote .... . Reserved servos $1500 additinoat ServoSnie Price HS-H9 ttupnr Micro 1500$3799 itS-SO Sab Micro 31 00$2399 95-99MG SeS Micrn$3799 RS9599 Super Mini earn, Siagin 963900$3299 9S-191 Mini 24 on$2199 $999593-101MG$3299 $20995HS-2OSRB Micro 42 oz$2699 $24995R$-2ttSMS$3799 $23995RS-225B9 Saper Miol $40495 icro 5000$3299 $9795Hg-309 Std Spod 42 50$1099 $3549592-422 Pro Servo 43 00$1399 $419959S-42SRU PrO 0001 BR 43 lo$1999 $59995RS-52569 High Speed 4700$3499 $56995RSS4SRB Hi Torqao 6200$3499 $10995HS-695B9 Ultra Tonqee 7700$3699 68-695MG Sit Torque 77 00$4599 $3499598-915MG BR 11000$4599 $4499HS-7006B Slant 13300$2999 $499995-TOSMS OlOnt 16000$4299 98-7566 Retract 9000$3999 RS-725BB Sail Winch 161 00$4799 95-A9SBR 224 90$3999 SY-lUSBO Bali Rearing GVro$9999 SERVO VALUE DEALS Switch Harness Pour 93-300Soon $59H Four 93-422Soon $695 Three HS-101 Thren OS-SO Three 93-20596 OS-US Save $597 Three 98-700 RS-422 SEVEN CHANNEL FLIGHT PACK 10010 400 Four HS-350 Soroos Switch HarnesS SuprorvO 7 ci Rocnivor channel choice 000 605 moh 90 Battery AvailaSlo S 1 connectors $10999 Avoilahie connocioro $11499 tour 98-422 servos add $700 Wiih tour HS-425 servos add $3500 tour HS-6tt5 serovo odd $18500 Retail $9995 99995 $13495 $695 $3995 $4495 $1395 $4995 June1997 73 Retail $5495 $3995 $5495 $4995 $3155 $4595 $4195 $6995 $4995 $1695 $1995 $2995 $5995 $5995 $5995 $7495 $7495 $4495 $5495 $5995 $7395 $7395 $13495 $4599 $5299 $5599 $7199 $10499 $9999 WSA radio control online base clip wires swing bar binder clips spring clamps cutting constant-chord wings two wires clamped together swing bar cutting tapered wings test probe wire connected wingtip end cutting wire must moved up swing bar toward pivot point compensates different distances wire must travel end wing Keeping test leads tight adjust wire clamp location wing blank position until cutting wire parallel leading edge start cutting parallel trailing edge end cutting may require several iterations get everything lined up bow behind wing blank adjust nose wheel bow until perpendicular cutting wire Place cutting wire wing templates line up wire leading edge tue blank Attach test leads battery charger power supply turn stand back may take few seconds wire heat up start cutting weight swing bar clamps will pull wire evenly through foam cuts Avoid breathing foam fumes sure work area well-ventilated cutting wire comes through trailing edge catch bow base wire turn off power supply Without moving wing blank remove bottom templates attach top templates repeat Once get hang setting up cutter will spend time making templates cutting foam nice thing have make four templates cut foam wing opposed ten ribs per side conventional built-up wing Foam-Cutting Tips Blue extruded foam stronger cuts better white beaded foam can regulate temperature cutting wire placement alligator clips Moving clips closer together will give hotter wire moving farther apart will give cooler wire wire too hot will drag middle foam resulting concave surface viewed front wire should cut slow pace about five inches minute Sheet Styrofoam has internal surface stresses especially blue extruded foam top bottom - inch wing blanks should cut off help prevent warping may helpful make several templates trimming foam blanks can use cutting bow trim wing blanks size Mark outline top foam Hang portion cut off over edge workbench Hang bow foam cutting wire align marks Make sure test lead wires hanging straight down bow will twist cuts Turn power supply let gravity rest cut washout wing use drill bit shank elevate tip template trailing edge set amount easier designing washout template Mark Freeland & Jim Young 7563 Wellington Brighton MI 48116 LnuIyinu 05 bUll uraviluri UIIIrUlIrlVUUUVVIflIlIII0l4IIIG & die-cut parts span 51 Length 41 Wing Area 75t Sq ln Engine 35-4520 45-6140 4 Ch Radio required $8999 yea feel cemlortable flying ene et todays popular trainers youd like try open ncale WWI lighter take clone look specs en Fakker D-7 RAE SE-SA wing leadlog almost glider-like aud its nice maken easily traus poable. tally assembledl Its easy build too tin ter beulnoers Uravitch um formed cc & die-cut parts span 50 th 4t Sq ln tngise 40-4t2C 50-7t4C 4 Cb $8999 Also MINI SUKHOI 049- 10 Powered $3299 P-47 RAZORBACK fl cowered $5499 FRET SAW 5mm Safety stroke reduces risk injury Sturdy die cast cosotruc tios 4 way blade psoitios ing rubber feet dampen vibrutios cuts plastic up 1/4 sos-ferrous metal up 1/5 Hardwood ply up 1/2 $129 95 MB490 HIGH TORQUE DRILL High torque drill witb pee d grip hi-efficiency too cooled motor ligbtweigbt keyless cbuck Hi-speed extendible cable 4 $3496 MB1S0 CIRCULAR SAW Die cast table greater accuracy rip fence pro doe straight cuts miterguide t-90 controlled cutting see thru bade guard added oufoty graduated scale murktable comes witb two 2 blades cuts wood up 1/4 plastic up 1/it, CR096 MB41IJ Jili Perfect cuttiug intricate shavo o, radii & scroll work comes witb 2 blades $5995 MB552 Note MINICRAFT tools DC powered require use power supply below M5730VAR SP Transformer$3495 MB StUNV SP TRANSFORMER$71 95 HOBBY HANGAR 1862 Peterburg Rd Hebren KY 41648 1 800 611 3860 rs OnI 606 334 4331 amer Serv Ce 606 334 4 33 Addt6 S pp &Hud gP Sse Chung oA m June 1997 75 Pults Dual Strut Nose Gears have established themselves industry standard after-market enhancements model aircraft Chc model right MOdI ni. vi gee OF 350 351/04 OF 400 4 en 450 451/0- OF 500 2 OF 510 O eFelo 0 OF 710 0 OF3eJ31005/30 OF 57J51075130 OF 7703 tO 053110 enoxo Pleaeo support hobby shop Direct add $300 S&H USA Fulfo Tooling P0 Box 155 Savoy IL 61874