When kitted P-30 lost out-of-sight flight author enthusiastic about designing own model airborne within week its relatively long thin motor racy-looking wing pylon sound lightweight construction unusual great-flying P-30 has pulling trophies ever since EDon De Loach IT WAS spring 1986 before attending first AMA Nationals Junior built first P-30 model kitted One-Night 28 flew exceedingly badly can imagine dismay realized plane weighed 70 gramsalmost twice minimum Although Night never really pleased somehow interest P-30 remained fervent second P-30 Potent built Pharis kit unfortunately now out stock much encouraging respect Boy did love airplane think key its outstanding performance lightweight constructionthe model right 40-gram minimum addition its moments what consider optimal Potent finally lost out-of-sight flight Planesmen Labor Day meet toward end 1988 summer season sense excited excuse work new P-30 experience Potent figured gave good chance creating quite competitive original-design model right Polecat designed about hour prototype built following week pumped up about having original-design P-30 built airplane directly over original drawings rather taking time make copy model flew right off board its flawless competitor ever since Some philosophy underlying design worth least brief discussion area dimensions wing stabilizer similar used Potent block tips wing add weight necessary anchor embedding wire eyelet popoff wing dethermalizer fuselage dimensions close too really liked 18-inch hook-to-hook distance Potent perfect four-strand A-in motors Im partial later fin wing pylon duplicate used John ODwyer Sparrowhawk Coupe DHiver design Though bit time-consuming tricky build pylon gives model aerodynamic edge well racy looks Construction Except special comments follow standard Free Flight construction methods used Wing key point avoid using wood light sacrifice strength 1987 Lincoln Nationals hitch encountered Potent wind broke wing several times during winding strong wing begins very hard straight-grained leading edge bottom spar remaining spars trailing edge lighter weight wood must still strong good quality wing completed may want cap top spars 6000-strand carbon fiber tow available MRL Model Supplies carbon greatly increases strength balsa adds little weight Cover wing lightweight Japanese tissue carefully apply least coat highly thinned nitrate dope absolutely certain wing free warps warped wing model 52 Model Aviation Thermals ahoy Pictured its designer/buiider Poiccats aerodynami caiiy ciean iines relatively long thin mo tor give true competitive edge Fluorescent orange paint dark areas wing stabilizer metallized Mylar outer wing stabilizer panels improve models visibility flight becomes much difficult trim properly consistently Stabilizer fin old standbys apply Keep em light strong warpfree Use dope very sparingly tissue fact its best apply airbrushlightly Fuselage modelers havent caught rolled-tube fuselages great advantages offer number reason everyone should using rolled-tube fuselages P-30 models theyre lighter four five grams average slab-sided P-30 fuselage Blue Ridge Square Eagle example Rolled tubes also easier build little practice come out perfectly time first may split come unglued thats expected Start selecting 18-in-long piece very light straight-grained A6 balsa Dont worry point about getting width just right blank will ultimately about 2 3A wide seam isnt glued until after tube rolled Give side blank coat dope will inside Fill bathtub inch hot water soak blank 30 minutes After treatment youre ready wrap blank around mandrel -in PVC pipe makes perfect mandrel fuselage size shown plan actual outside diameter size pipe somewhere between 3/4 fully ease blank cylindrical shape taking care split wood Wrap wood around mandrel panty hose A-in-wide rubber Allow dry least two evenings indoors few hours afternoon sun youre sure wood dry remove carefully mandrel glue seam high-viscosity CyA cyanoacrylate glue tail boom can built same way happen have conical mandrel Otherwise build air using formers drawn plan guides main things remember keep lightweight make sure its well aligned motor tube absolutely certain wire loop wing tether line tail cone secure can kiss wing good bye loop isnt firmly glued epoxy like will fly away lightest lift Ask know dethermalizer DT system utmost importance make certain will August 1991 53 Left Overhead view model shows its sleek design four-strand FAI tan rubber motor plastic freewheeling prop relatively long motor approximately 26 es 1/in rubber offsets high drag type prop stretching power-on phase helping plane max Also note aluminized Mylar reflective panels Right Close-up showing reverse S-hook rubberband/dowel arrangement holding nose block shown plan DT fuse burn area latter should covered aluminum foil Rees Industries Scalewinder perfect P-30 models Morrili makes Simple Stooge running shoes Asics good P-30 running shoes Hmmm.. Photo taken 1990 Nationals prop held place after winding 1/32 wire inserted through 11160D alumi num tube glued nose block op tional author doesnt always use author Polecat rolled-tube fuselage lighter easier build av erage slab-sided P-30 fuselage fin wing pylon borrowed John ODwyers Sparrowhawk design Though time-consuming build pylon aerodynamic plus Full-Size Plans Available. See Page 204 3/B TOTAL DIHEDRAL /8 SO VERSLJzIARDIN CENTER RDNELS MEDIUM-HARD BALSA TIPS1/16 50 SRDRS HARD\ IIIIIIIIIIIIII\I 3/BXI/B MEDIUM \- V 026 WIRE EYESCREW 11/4 DIHEDRAL UNDER EACH OUTER PANEL PECK PA-6 BEARING1/16 SHT 2 HARD I/B SHEET LAMS 1/16 DIA BIRCH DOWEL 1/2 OF BAMBOO DOWELALUM 3/lB OD PECK 91/2 DIA PROP FUSELA~ HARD 3/32 SHEET ERODED 9EWEW 3/64 NEW REVERSE 5 HOOK -1/64 PLY BACKPLATE LVERY HARD BALSA BLOCK SPUN TO SHAPE ON DREMEL TOOL LATHE 1/16 DOWEL1/I6 S I/B 15 LB TESTHARD SPAR MONOFILAMENT (NOES WIND I/3D SHT TOP AND BOTTOM I/DO SO SPARS ALL TAILBOOM FORMERS 1/32 SHT MEDIUM 3/lB X 1/16 3/32 SHT 020 WIRE 1/20 50 BASS WRAP WITH 1/20 SHT FIN OPTIONAL 1/64 PLYWOOD THREAD AND EPOXY 3/32 50 --1/32 PLYI/lB SHEET VERY LIGHT 1/4 OD ALUM SNUFFER TUBEA-GRAIN 084 OD PVC MANDRELCOVR.MODELW/SOFT 1/16 1/20 50 BASSJAPJSSUL SOUARE 6 FROM LIGHT 1/32 24 FROM 1/32 SHT 2 FROM 1/16 SHEET FROM I/lB HARD I/lB HARD SHEET LE TE SNAP SWIVEL- YD~ I/lB SHT RIBSI/B SHT -SOFT I/lB SHEET CUT AND SAND FLUSH POWER 4 STRANDS FA TAN I/B APPY 261/2 OVERALL WITH MOTOR TUBE LENGTH 98 0 UNLUBEDI MAX WINDS 1400-1500 MOTOR RUN APPX DO-SD SECONDS IONIN I/lB DOWEL TAILBOOM IS VERYIJOST 1/32 GRAIN 1/6 50 SPRUCE USE 3/16 DIA PECK DT FUSE 0I2345B - 1/32 SHT TOP AND BOTTOM P-3D CLASS AMA SENIOR NATIONAL RECORD HOLDER DESIDNED BY D APRIL 1991 work flawlessly Should decide attempt pop-off wing arrangementby far best means dethermalizing P-30sat least put simple pop-up stab Thats better nothing wing held down single No 10 rubberband two strong wind Use same size rubberband hold stab well Although isnt shown plan recommend using rubberband arrangement anchoring nose block Mine uses two pins fuselage two nose block No 8 rubberband Polecat comes out bit underweight should can greatly improve its visibility adding fluorescent orange paint reflective Mylar everywhere can painted parts wing stab fluorescent orange used Mylar outer wing stab panels Flying After making sure structures components secure well aligned working order get acquainted motor size length youll using highly recommend four-strand motor A-in FM tan rubber approximately 26/2 long length will yield 10gram motor maximum allowed under rules argument whether relatively long thin motor described above better relatively short powerful such four 21-in-long strands /B rubber has yet settled would estimate 80 percent P-30 fliers today use shorter motors cant say sure suspect thats because fliers accustomed motor characteristics Wakefields Coupes always very short powerful yielding almost vertical 30- 40-second motor run work class model use myself theyre less effective P-30 difference lies propeller P-30 propeller plastic freewheelera nonfolder P-30 short powerful motor finishes its prop run usually about 40 seconds will have glide rest flight behind high-drag freewheeling prop rather folder long thin motor other hand youre obviously going able put turns hence motor run will much longer about 55 seconds minute means model will have spent half rather onethird its flight power-on will need glide minute behind high-drag prop get max Sound crazy Believe worksfor whatever reason will gladly answer correspondence contending opposite Back flying Braid motor winding 150 clockwise turns yes normal winding direction Use 0-ring Crocket hook transferring motor prop block after winding Install motor Balance model center-of-gravity shown plans adding weight necessary wing incidence shown shim under stab trailing edge Polecat should glide right off board adjust decalage until does add stab tilt and/or rudder not-too-tight right glide circle have model gliding well proceed power-on trimming Start out few winds over tall grass Because high wing pylon youll probably have add good deal downthrust did Also model will probably need least some side thrust right thrust yes recommend right-right pattern Experiment thrust settings until have welltrimmed craft both high torque launch cruise Contest flying modeler has 54 Model Aviation model surrounded two seasons worth trophies middle 1990 NatIonals Senior Champion trophy right Nationai Record certificate 23 minutes June 1990 BALSAWOODTAIBI BALSA WOOD ST IC K S 1/16-INCH3648 1/16s 1/1606 1/163/3207 1/161 1/60912 1/16 3/161014 1/16 1/4Il16 1/16 3/61416 1/16 1/21721 1/16 03/42230 3/32-INCH3648 3/321 3/320912 3/32a 1/81014 3/32s 3/161116 3/320 1/41417 3/320 3/61520 3/32s 1/21722 3/320 3/42533 Double Balsa Wood Prices Spruce Basswood Slicks 1/8-INCH36 1/6 1/609 1/603/1612 1/6 0 1/414 1/6o3/617 1/6 0 1/218 1/803/426 3/16-INCH36 3/16s3/1614 3/16 a1/415 3/16 a3/617 3/1601/221 3/1603/430 1/4-INCH36 1/40 1/417 1/403/619 1/40 1/222 1/403/434 5/I 6-INCH36 5/1605/1623 5/160 3/625 5/160 1/230 5/1603/442 48 3/8-INCH3648 123/803/62640 163/60 1/23344 163/6 0 3/44764 22 26 1/2-INCH3648 1/20 1/24052 461/203/45675 TRIANGULAR 16 20CUT BALSA 221/40 1/403627 273/6o3/8o3631 411/2 0 1/2 0 3640 3/4 0 3/ 0 3650 481o1o3665 22 BALSA PLANKS 27 313/403036190 1451 o2o36175 1 o3o36246 46104036324 202036246 292o3o36352 32204036496 38303036524 56304036726 3-INCH 48 BALSA SHEETS 1-INCH 1/16 0 1 3/32 0 1 1/60 1 3/160 1 1/4 0 1 3/6 o 1 1/20 1 2-INCH 1/32 0 2 1/16 0 2 3/32 0 2 1/6 o 2 3/1602 1/4 0 2 3/6 0 2 1/2 0 2 3848 2939 3243 3547 3952 4461 5777 7094 3648 3243 3951 4459 4964 5677 67 90 62115 121161 1/3203 1/16 0 3 3/32 0 3 1/6 0 3 3/16 0 3 1/4 03 5/16 03 3/6 0 3 1/2 0 3 4-INCH 1/32 04 1/16 0 4 3/32 0 4 1/6 0 4 3/16 04 1/4 04 3/8 0 4 1/2 0 4 4357 4662 5675 6466 77102 90120 110143 126171 161214 3648 70 93 78106 881/7 102135 122162 1 40207 1 95280 234346 BIRCH PLY WOOD 1/640120 12 195 1/64 012024389 1/64o12o48601 1/64 0460483204 1132o6 o1279 1/32o12o12156 1132o12o24312 1132s12s48625 iliBoB o1278 1116o12o 12156 1116o12o24312 1/16o12s48625 3/3206012 97 3/320 120 12194 3/320 12024387 3/32012046774 1/806012107 1/6 0 12 0 12213 1/8o12o24425 1/8012046650 3/160601279 3/160 120 12156 3/15s12o24314 626 1/40601277 1/40 120 12156 1/4012024314 1/4 0 120 48626 3/60120 12183 3/6 012024365 3/8 o12046770 1/2012012216 1/2012024433 1/2012048665 LITE PLYWOOD 1/601201262 1/8012024164 1/80 12046326 TAPERED TRAILING ______________ EDGE 36 48 1/80 1/22432 3/16 0 3/43143 1/4014258 3/160 120485/160 1-1/44765 3/60 11/25677 * OPEN TO THE PUBLIC Superior Aircraft Materials* 12020-G Centralia iian Gardens California 90716 865-3220 Handling Charge -$500 $375 COD mum Order $2000 plus UPS accept Personal checks COD fornia Residents add 6% Sales Tax different style competition flying heres whats always worked well flying P-30 First use stooge winder youre comfortable far best P-30 winder have found Dave Reess Scalewinder Its 101 ratio makes winding lot quicker hand drills important consideration believe use motors make up four five motors before contest carefully weigh braid prestretch eight nine minutes also recommend storing motors separate zip-lock style sandwich bags listing winding number turns torque Youll learn lot about P-30 motors rubber general start doing Ive found tan P-30 motor best about its second third winding adequate until its sixth winding sure however wind same motor twice row rest about hour between windings Also keep logbook other data such site temperature humidity cloud conditions Maintaining careful records will help learn correct mistakes future Thermal-picking equipment another important consideration models light P-30s cattail fuzzies soap bubbles will work fine especially extra-calm days used cattail fuzzies just such day record flights Also thermistor often helpful know use thermal streamers work great makes sense use several above methods along least helper throwing cattail fuzzies blowing bubbles both Always remember thermals lifeblood P-30 fliers Finally chase important Walking running works fine calm days wind picks up youll need motorcycle After retrieving model put box strapped back motorcycle necessity next impossible carry twopiece airplane driving motorcycle box protects fragile structure Ill happy answer questions may have Write 3428 Bryn Mawr Dallas TX 75225 Please enclose self-addressed stamped envelope assure reply Suppliers Dave Rees 301 Yearling Drive Goldsboro NC 27530 101 winder FAI Model Supply PO Box 3957 Torrance CA 90510 tan rubber Mylar covering thermal streamers Y16-dia fuse Champion Model Products 880 Carmen Court La Verne CA 91750 balsa props tissue Peck-Polymers PO Box 710399-FM Santee CA 92072 props tissue wire washers thrust bearings LIGHTING SYSTEMS THE #RED 01 #RED 02 #RED 03 #RED 04 #RED 05 #RED 14 #RED 16 #RED 23 ORIGINALS. Still Programmable Flashing Navigation Lights Adjustable Rate Strobe Light Landing Lights Adjustable Rate Mars Rotating Beacon Marine Navigation Lights nonflashing Big Airplane Navigation Lights Econo Landing Lights brightest Real Strobe Light true zenon strobe Best $2495 $1995 $3995 $1995 $1095 $2495 $1995 $2995 SEE YOUR DEALER 0 SEND STAMPED ENVELOPE FOR RAM INFO unanyilable ocally send Check money order full credit card info cost item plus $200 $500 foreign immediate shipment Include tull address UPS Sorry no GOD Ram 4736 N Milwaukee Ave ago IL 60630 visaBJrn/C ELECTRONICS AA RADIO L WE HAVE OVER 26 YEARS EXPERIENCE IN M1 AT WE 1466 windward dr mason ohio 45040 plo 513 398-5423 August 1991 55 RENEW 2 Page 142 See Card
Edition: Model Aviation - 1991/08
Page Numbers: 52, 53, 54, 55
When kitted P-30 lost out-of-sight flight author enthusiastic about designing own model airborne within week its relatively long thin motor racy-looking wing pylon sound lightweight construction unusual great-flying P-30 has pulling trophies ever since EDon De Loach IT WAS spring 1986 before attending first AMA Nationals Junior built first P-30 model kitted One-Night 28 flew exceedingly badly can imagine dismay realized plane weighed 70 gramsalmost twice minimum Although Night never really pleased somehow interest P-30 remained fervent second P-30 Potent built Pharis kit unfortunately now out stock much encouraging respect Boy did love airplane think key its outstanding performance lightweight constructionthe model right 40-gram minimum addition its moments what consider optimal Potent finally lost out-of-sight flight Planesmen Labor Day meet toward end 1988 summer season sense excited excuse work new P-30 experience Potent figured gave good chance creating quite competitive original-design model right Polecat designed about hour prototype built following week pumped up about having original-design P-30 built airplane directly over original drawings rather taking time make copy model flew right off board its flawless competitor ever since Some philosophy underlying design worth least brief discussion area dimensions wing stabilizer similar used Potent block tips wing add weight necessary anchor embedding wire eyelet popoff wing dethermalizer fuselage dimensions close too really liked 18-inch hook-to-hook distance Potent perfect four-strand A-in motors Im partial later fin wing pylon duplicate used John ODwyer Sparrowhawk Coupe DHiver design Though bit time-consuming tricky build pylon gives model aerodynamic edge well racy looks Construction Except special comments follow standard Free Flight construction methods used Wing key point avoid using wood light sacrifice strength 1987 Lincoln Nationals hitch encountered Potent wind broke wing several times during winding strong wing begins very hard straight-grained leading edge bottom spar remaining spars trailing edge lighter weight wood must still strong good quality wing completed may want cap top spars 6000-strand carbon fiber tow available MRL Model Supplies carbon greatly increases strength balsa adds little weight Cover wing lightweight Japanese tissue carefully apply least coat highly thinned nitrate dope absolutely certain wing free warps warped wing model 52 Model Aviation Thermals ahoy Pictured its designer/buiider Poiccats aerodynami caiiy ciean iines relatively long thin mo tor give true competitive edge Fluorescent orange paint dark areas wing stabilizer metallized Mylar outer wing stabilizer panels improve models visibility flight becomes much difficult trim properly consistently Stabilizer fin old standbys apply Keep em light strong warpfree Use dope very sparingly tissue fact its best apply airbrushlightly Fuselage modelers havent caught rolled-tube fuselages great advantages offer number reason everyone should using rolled-tube fuselages P-30 models theyre lighter four five grams average slab-sided P-30 fuselage Blue Ridge Square Eagle example Rolled tubes also easier build little practice come out perfectly time first may split come unglued thats expected Start selecting 18-in-long piece very light straight-grained A6 balsa Dont worry point about getting width just right blank will ultimately about 2 3A wide seam isnt glued until after tube rolled Give side blank coat dope will inside Fill bathtub inch hot water soak blank 30 minutes After treatment youre ready wrap blank around mandrel -in PVC pipe makes perfect mandrel fuselage size shown plan actual outside diameter size pipe somewhere between 3/4 fully ease blank cylindrical shape taking care split wood Wrap wood around mandrel panty hose A-in-wide rubber Allow dry least two evenings indoors few hours afternoon sun youre sure wood dry remove carefully mandrel glue seam high-viscosity CyA cyanoacrylate glue tail boom can built same way happen have conical mandrel Otherwise build air using formers drawn plan guides main things remember keep lightweight make sure its well aligned motor tube absolutely certain wire loop wing tether line tail cone secure can kiss wing good bye loop isnt firmly glued epoxy like will fly away lightest lift Ask know dethermalizer DT system utmost importance make certain will August 1991 53 Left Overhead view model shows its sleek design four-strand FAI tan rubber motor plastic freewheeling prop relatively long motor approximately 26 es 1/in rubber offsets high drag type prop stretching power-on phase helping plane max Also note aluminized Mylar reflective panels Right Close-up showing reverse S-hook rubberband/dowel arrangement holding nose block shown plan DT fuse burn area latter should covered aluminum foil Rees Industries Scalewinder perfect P-30 models Morrili makes Simple Stooge running shoes Asics good P-30 running shoes Hmmm.. Photo taken 1990 Nationals prop held place after winding 1/32 wire inserted through 11160D alumi num tube glued nose block op tional author doesnt always use author Polecat rolled-tube fuselage lighter easier build av erage slab-sided P-30 fuselage fin wing pylon borrowed John ODwyers Sparrowhawk design Though time-consuming build pylon aerodynamic plus Full-Size Plans Available. See Page 204 3/B TOTAL DIHEDRAL /8 SO VERSLJzIARDIN CENTER RDNELS MEDIUM-HARD BALSA TIPS1/16 50 SRDRS HARD\ IIIIIIIIIIIIII\I 3/BXI/B MEDIUM \- V 026 WIRE EYESCREW 11/4 DIHEDRAL UNDER EACH OUTER PANEL PECK PA-6 BEARING1/16 SHT 2 HARD I/B SHEET LAMS 1/16 DIA BIRCH DOWEL 1/2 OF BAMBOO DOWELALUM 3/lB OD PECK 91/2 DIA PROP FUSELA~ HARD 3/32 SHEET ERODED 9EWEW 3/64 NEW REVERSE 5 HOOK -1/64 PLY BACKPLATE LVERY HARD BALSA BLOCK SPUN TO SHAPE ON DREMEL TOOL LATHE 1/16 DOWEL1/I6 S I/B 15 LB TESTHARD SPAR MONOFILAMENT (NOES WIND I/3D SHT TOP AND BOTTOM I/DO SO SPARS ALL TAILBOOM FORMERS 1/32 SHT MEDIUM 3/lB X 1/16 3/32 SHT 020 WIRE 1/20 50 BASS WRAP WITH 1/20 SHT FIN OPTIONAL 1/64 PLYWOOD THREAD AND EPOXY 3/32 50 --1/32 PLYI/lB SHEET VERY LIGHT 1/4 OD ALUM SNUFFER TUBEA-GRAIN 084 OD PVC MANDRELCOVR.MODELW/SOFT 1/16 1/20 50 BASSJAPJSSUL SOUARE 6 FROM LIGHT 1/32 24 FROM 1/32 SHT 2 FROM 1/16 SHEET FROM I/lB HARD I/lB HARD SHEET LE TE SNAP SWIVEL- YD~ I/lB SHT RIBSI/B SHT -SOFT I/lB SHEET CUT AND SAND FLUSH POWER 4 STRANDS FA TAN I/B APPY 261/2 OVERALL WITH MOTOR TUBE LENGTH 98 0 UNLUBEDI MAX WINDS 1400-1500 MOTOR RUN APPX DO-SD SECONDS IONIN I/lB DOWEL TAILBOOM IS VERYIJOST 1/32 GRAIN 1/6 50 SPRUCE USE 3/16 DIA PECK DT FUSE 0I2345B - 1/32 SHT TOP AND BOTTOM P-3D CLASS AMA SENIOR NATIONAL RECORD HOLDER DESIDNED BY D APRIL 1991 work flawlessly Should decide attempt pop-off wing arrangementby far best means dethermalizing P-30sat least put simple pop-up stab Thats better nothing wing held down single No 10 rubberband two strong wind Use same size rubberband hold stab well Although isnt shown plan recommend using rubberband arrangement anchoring nose block Mine uses two pins fuselage two nose block No 8 rubberband Polecat comes out bit underweight should can greatly improve its visibility adding fluorescent orange paint reflective Mylar everywhere can painted parts wing stab fluorescent orange used Mylar outer wing stab panels Flying After making sure structures components secure well aligned working order get acquainted motor size length youll using highly recommend four-strand motor A-in FM tan rubber approximately 26/2 long length will yield 10gram motor maximum allowed under rules argument whether relatively long thin motor described above better relatively short powerful such four 21-in-long strands /B rubber has yet settled would estimate 80 percent P-30 fliers today use shorter motors cant say sure suspect thats because fliers accustomed motor characteristics Wakefields Coupes always very short powerful yielding almost vertical 30- 40-second motor run work class model use myself theyre less effective P-30 difference lies propeller P-30 propeller plastic freewheelera nonfolder P-30 short powerful motor finishes its prop run usually about 40 seconds will have glide rest flight behind high-drag freewheeling prop rather folder long thin motor other hand youre obviously going able put turns hence motor run will much longer about 55 seconds minute means model will have spent half rather onethird its flight power-on will need glide minute behind high-drag prop get max Sound crazy Believe worksfor whatever reason will gladly answer correspondence contending opposite Back flying Braid motor winding 150 clockwise turns yes normal winding direction Use 0-ring Crocket hook transferring motor prop block after winding Install motor Balance model center-of-gravity shown plans adding weight necessary wing incidence shown shim under stab trailing edge Polecat should glide right off board adjust decalage until does add stab tilt and/or rudder not-too-tight right glide circle have model gliding well proceed power-on trimming Start out few winds over tall grass Because high wing pylon youll probably have add good deal downthrust did Also model will probably need least some side thrust right thrust yes recommend right-right pattern Experiment thrust settings until have welltrimmed craft both high torque launch cruise Contest flying modeler has 54 Model Aviation model surrounded two seasons worth trophies middle 1990 NatIonals Senior Champion trophy right Nationai Record certificate 23 minutes June 1990 BALSAWOODTAIBI BALSA WOOD ST IC K S 1/16-INCH3648 1/16s 1/1606 1/163/3207 1/161 1/60912 1/16 3/161014 1/16 1/4Il16 1/16 3/61416 1/16 1/21721 1/16 03/42230 3/32-INCH3648 3/321 3/320912 3/32a 1/81014 3/32s 3/161116 3/320 1/41417 3/320 3/61520 3/32s 1/21722 3/320 3/42533 Double Balsa Wood Prices Spruce Basswood Slicks 1/8-INCH36 1/6 1/609 1/603/1612 1/6 0 1/414 1/6o3/617 1/6 0 1/218 1/803/426 3/16-INCH36 3/16s3/1614 3/16 a1/415 3/16 a3/617 3/1601/221 3/1603/430 1/4-INCH36 1/40 1/417 1/403/619 1/40 1/222 1/403/434 5/I 6-INCH36 5/1605/1623 5/160 3/625 5/160 1/230 5/1603/442 48 3/8-INCH3648 123/803/62640 163/60 1/23344 163/6 0 3/44764 22 26 1/2-INCH3648 1/20 1/24052 461/203/45675 TRIANGULAR 16 20CUT BALSA 221/40 1/403627 273/6o3/8o3631 411/2 0 1/2 0 3640 3/4 0 3/ 0 3650 481o1o3665 22 BALSA PLANKS 27 313/403036190 1451 o2o36175 1 o3o36246 46104036324 202036246 292o3o36352 32204036496 38303036524 56304036726 3-INCH 48 BALSA SHEETS 1-INCH 1/16 0 1 3/32 0 1 1/60 1 3/160 1 1/4 0 1 3/6 o 1 1/20 1 2-INCH 1/32 0 2 1/16 0 2 3/32 0 2 1/6 o 2 3/1602 1/4 0 2 3/6 0 2 1/2 0 2 3848 2939 3243 3547 3952 4461 5777 7094 3648 3243 3951 4459 4964 5677 67 90 62115 121161 1/3203 1/16 0 3 3/32 0 3 1/6 0 3 3/16 0 3 1/4 03 5/16 03 3/6 0 3 1/2 0 3 4-INCH 1/32 04 1/16 0 4 3/32 0 4 1/6 0 4 3/16 04 1/4 04 3/8 0 4 1/2 0 4 4357 4662 5675 6466 77102 90120 110143 126171 161214 3648 70 93 78106 881/7 102135 122162 1 40207 1 95280 234346 BIRCH PLY WOOD 1/640120 12 195 1/64 012024389 1/64o12o48601 1/64 0460483204 1132o6 o1279 1/32o12o12156 1132o12o24312 1132s12s48625 iliBoB o1278 1116o12o 12156 1116o12o24312 1/16o12s48625 3/3206012 97 3/320 120 12194 3/320 12024387 3/32012046774 1/806012107 1/6 0 12 0 12213 1/8o12o24425 1/8012046650 3/160601279 3/160 120 12156 3/15s12o24314 626 1/40601277 1/40 120 12156 1/4012024314 1/4 0 120 48626 3/60120 12183 3/6 012024365 3/8 o12046770 1/2012012216 1/2012024433 1/2012048665 LITE PLYWOOD 1/601201262 1/8012024164 1/80 12046326 TAPERED TRAILING ______________ EDGE 36 48 1/80 1/22432 3/16 0 3/43143 1/4014258 3/160 120485/160 1-1/44765 3/60 11/25677 * OPEN TO THE PUBLIC Superior Aircraft Materials* 12020-G Centralia iian Gardens California 90716 865-3220 Handling Charge -$500 $375 COD mum Order $2000 plus UPS accept Personal checks COD fornia Residents add 6% Sales Tax different style competition flying heres whats always worked well flying P-30 First use stooge winder youre comfortable far best P-30 winder have found Dave Reess Scalewinder Its 101 ratio makes winding lot quicker hand drills important consideration believe use motors make up four five motors before contest carefully weigh braid prestretch eight nine minutes also recommend storing motors separate zip-lock style sandwich bags listing winding number turns torque Youll learn lot about P-30 motors rubber general start doing Ive found tan P-30 motor best about its second third winding adequate until its sixth winding sure however wind same motor twice row rest about hour between windings Also keep logbook other data such site temperature humidity cloud conditions Maintaining careful records will help learn correct mistakes future Thermal-picking equipment another important consideration models light P-30s cattail fuzzies soap bubbles will work fine especially extra-calm days used cattail fuzzies just such day record flights Also thermistor often helpful know use thermal streamers work great makes sense use several above methods along least helper throwing cattail fuzzies blowing bubbles both Always remember thermals lifeblood P-30 fliers Finally chase important Walking running works fine calm days wind picks up youll need motorcycle After retrieving model put box strapped back motorcycle necessity next impossible carry twopiece airplane driving motorcycle box protects fragile structure Ill happy answer questions may have Write 3428 Bryn Mawr Dallas TX 75225 Please enclose self-addressed stamped envelope assure reply Suppliers Dave Rees 301 Yearling Drive Goldsboro NC 27530 101 winder FAI Model Supply PO Box 3957 Torrance CA 90510 tan rubber Mylar covering thermal streamers Y16-dia fuse Champion Model Products 880 Carmen Court La Verne CA 91750 balsa props tissue Peck-Polymers PO Box 710399-FM Santee CA 92072 props tissue wire washers thrust bearings LIGHTING SYSTEMS THE #RED 01 #RED 02 #RED 03 #RED 04 #RED 05 #RED 14 #RED 16 #RED 23 ORIGINALS. Still Programmable Flashing Navigation Lights Adjustable Rate Strobe Light Landing Lights Adjustable Rate Mars Rotating Beacon Marine Navigation Lights nonflashing Big Airplane Navigation Lights Econo Landing Lights brightest Real Strobe Light true zenon strobe Best $2495 $1995 $3995 $1995 $1095 $2495 $1995 $2995 SEE YOUR DEALER 0 SEND STAMPED ENVELOPE FOR RAM INFO unanyilable ocally send Check money order full credit card info cost item plus $200 $500 foreign immediate shipment Include tull address UPS Sorry no GOD Ram 4736 N Milwaukee Ave ago IL 60630 visaBJrn/C ELECTRONICS AA RADIO L WE HAVE OVER 26 YEARS EXPERIENCE IN M1 AT WE 1466 windward dr mason ohio 45040 plo 513 398-5423 August 1991 55 RENEW 2 Page 142 See Card
Edition: Model Aviation - 1991/08
Page Numbers: 52, 53, 54, 55
When kitted P-30 lost out-of-sight flight author enthusiastic about designing own model airborne within week its relatively long thin motor racy-looking wing pylon sound lightweight construction unusual great-flying P-30 has pulling trophies ever since EDon De Loach IT WAS spring 1986 before attending first AMA Nationals Junior built first P-30 model kitted One-Night 28 flew exceedingly badly can imagine dismay realized plane weighed 70 gramsalmost twice minimum Although Night never really pleased somehow interest P-30 remained fervent second P-30 Potent built Pharis kit unfortunately now out stock much encouraging respect Boy did love airplane think key its outstanding performance lightweight constructionthe model right 40-gram minimum addition its moments what consider optimal Potent finally lost out-of-sight flight Planesmen Labor Day meet toward end 1988 summer season sense excited excuse work new P-30 experience Potent figured gave good chance creating quite competitive original-design model right Polecat designed about hour prototype built following week pumped up about having original-design P-30 built airplane directly over original drawings rather taking time make copy model flew right off board its flawless competitor ever since Some philosophy underlying design worth least brief discussion area dimensions wing stabilizer similar used Potent block tips wing add weight necessary anchor embedding wire eyelet popoff wing dethermalizer fuselage dimensions close too really liked 18-inch hook-to-hook distance Potent perfect four-strand A-in motors Im partial later fin wing pylon duplicate used John ODwyer Sparrowhawk Coupe DHiver design Though bit time-consuming tricky build pylon gives model aerodynamic edge well racy looks Construction Except special comments follow standard Free Flight construction methods used Wing key point avoid using wood light sacrifice strength 1987 Lincoln Nationals hitch encountered Potent wind broke wing several times during winding strong wing begins very hard straight-grained leading edge bottom spar remaining spars trailing edge lighter weight wood must still strong good quality wing completed may want cap top spars 6000-strand carbon fiber tow available MRL Model Supplies carbon greatly increases strength balsa adds little weight Cover wing lightweight Japanese tissue carefully apply least coat highly thinned nitrate dope absolutely certain wing free warps warped wing model 52 Model Aviation Thermals ahoy Pictured its designer/buiider Poiccats aerodynami caiiy ciean iines relatively long thin mo tor give true competitive edge Fluorescent orange paint dark areas wing stabilizer metallized Mylar outer wing stabilizer panels improve models visibility flight becomes much difficult trim properly consistently Stabilizer fin old standbys apply Keep em light strong warpfree Use dope very sparingly tissue fact its best apply airbrushlightly Fuselage modelers havent caught rolled-tube fuselages great advantages offer number reason everyone should using rolled-tube fuselages P-30 models theyre lighter four five grams average slab-sided P-30 fuselage Blue Ridge Square Eagle example Rolled tubes also easier build little practice come out perfectly time first may split come unglued thats expected Start selecting 18-in-long piece very light straight-grained A6 balsa Dont worry point about getting width just right blank will ultimately about 2 3A wide seam isnt glued until after tube rolled Give side blank coat dope will inside Fill bathtub inch hot water soak blank 30 minutes After treatment youre ready wrap blank around mandrel -in PVC pipe makes perfect mandrel fuselage size shown plan actual outside diameter size pipe somewhere between 3/4 fully ease blank cylindrical shape taking care split wood Wrap wood around mandrel panty hose A-in-wide rubber Allow dry least two evenings indoors few hours afternoon sun youre sure wood dry remove carefully mandrel glue seam high-viscosity CyA cyanoacrylate glue tail boom can built same way happen have conical mandrel Otherwise build air using formers drawn plan guides main things remember keep lightweight make sure its well aligned motor tube absolutely certain wire loop wing tether line tail cone secure can kiss wing good bye loop isnt firmly glued epoxy like will fly away lightest lift Ask know dethermalizer DT system utmost importance make certain will August 1991 53 Left Overhead view model shows its sleek design four-strand FAI tan rubber motor plastic freewheeling prop relatively long motor approximately 26 es 1/in rubber offsets high drag type prop stretching power-on phase helping plane max Also note aluminized Mylar reflective panels Right Close-up showing reverse S-hook rubberband/dowel arrangement holding nose block shown plan DT fuse burn area latter should covered aluminum foil Rees Industries Scalewinder perfect P-30 models Morrili makes Simple Stooge running shoes Asics good P-30 running shoes Hmmm.. Photo taken 1990 Nationals prop held place after winding 1/32 wire inserted through 11160D alumi num tube glued nose block op tional author doesnt always use author Polecat rolled-tube fuselage lighter easier build av erage slab-sided P-30 fuselage fin wing pylon borrowed John ODwyers Sparrowhawk design Though time-consuming build pylon aerodynamic plus Full-Size Plans Available. See Page 204 3/B TOTAL DIHEDRAL /8 SO VERSLJzIARDIN CENTER RDNELS MEDIUM-HARD BALSA TIPS1/16 50 SRDRS HARD\ IIIIIIIIIIIIII\I 3/BXI/B MEDIUM \- V 026 WIRE EYESCREW 11/4 DIHEDRAL UNDER EACH OUTER PANEL PECK PA-6 BEARING1/16 SHT 2 HARD I/B SHEET LAMS 1/16 DIA BIRCH DOWEL 1/2 OF BAMBOO DOWELALUM 3/lB OD PECK 91/2 DIA PROP FUSELA~ HARD 3/32 SHEET ERODED 9EWEW 3/64 NEW REVERSE 5 HOOK -1/64 PLY BACKPLATE LVERY HARD BALSA BLOCK SPUN TO SHAPE ON DREMEL TOOL LATHE 1/16 DOWEL1/I6 S I/B 15 LB TESTHARD SPAR MONOFILAMENT (NOES WIND I/3D SHT TOP AND BOTTOM I/DO SO SPARS ALL TAILBOOM FORMERS 1/32 SHT MEDIUM 3/lB X 1/16 3/32 SHT 020 WIRE 1/20 50 BASS WRAP WITH 1/20 SHT FIN OPTIONAL 1/64 PLYWOOD THREAD AND EPOXY 3/32 50 --1/32 PLYI/lB SHEET VERY LIGHT 1/4 OD ALUM SNUFFER TUBEA-GRAIN 084 OD PVC MANDRELCOVR.MODELW/SOFT 1/16 1/20 50 BASSJAPJSSUL SOUARE 6 FROM LIGHT 1/32 24 FROM 1/32 SHT 2 FROM 1/16 SHEET FROM I/lB HARD I/lB HARD SHEET LE TE SNAP SWIVEL- YD~ I/lB SHT RIBSI/B SHT -SOFT I/lB SHEET CUT AND SAND FLUSH POWER 4 STRANDS FA TAN I/B APPY 261/2 OVERALL WITH MOTOR TUBE LENGTH 98 0 UNLUBEDI MAX WINDS 1400-1500 MOTOR RUN APPX DO-SD SECONDS IONIN I/lB DOWEL TAILBOOM IS VERYIJOST 1/32 GRAIN 1/6 50 SPRUCE USE 3/16 DIA PECK DT FUSE 0I2345B - 1/32 SHT TOP AND BOTTOM P-3D CLASS AMA SENIOR NATIONAL RECORD HOLDER DESIDNED BY D APRIL 1991 work flawlessly Should decide attempt pop-off wing arrangementby far best means dethermalizing P-30sat least put simple pop-up stab Thats better nothing wing held down single No 10 rubberband two strong wind Use same size rubberband hold stab well Although isnt shown plan recommend using rubberband arrangement anchoring nose block Mine uses two pins fuselage two nose block No 8 rubberband Polecat comes out bit underweight should can greatly improve its visibility adding fluorescent orange paint reflective Mylar everywhere can painted parts wing stab fluorescent orange used Mylar outer wing stab panels Flying After making sure structures components secure well aligned working order get acquainted motor size length youll using highly recommend four-strand motor A-in FM tan rubber approximately 26/2 long length will yield 10gram motor maximum allowed under rules argument whether relatively long thin motor described above better relatively short powerful such four 21-in-long strands /B rubber has yet settled would estimate 80 percent P-30 fliers today use shorter motors cant say sure suspect thats because fliers accustomed motor characteristics Wakefields Coupes always very short powerful yielding almost vertical 30- 40-second motor run work class model use myself theyre less effective P-30 difference lies propeller P-30 propeller plastic freewheelera nonfolder P-30 short powerful motor finishes its prop run usually about 40 seconds will have glide rest flight behind high-drag freewheeling prop rather folder long thin motor other hand youre obviously going able put turns hence motor run will much longer about 55 seconds minute means model will have spent half rather onethird its flight power-on will need glide minute behind high-drag prop get max Sound crazy Believe worksfor whatever reason will gladly answer correspondence contending opposite Back flying Braid motor winding 150 clockwise turns yes normal winding direction Use 0-ring Crocket hook transferring motor prop block after winding Install motor Balance model center-of-gravity shown plans adding weight necessary wing incidence shown shim under stab trailing edge Polecat should glide right off board adjust decalage until does add stab tilt and/or rudder not-too-tight right glide circle have model gliding well proceed power-on trimming Start out few winds over tall grass Because high wing pylon youll probably have add good deal downthrust did Also model will probably need least some side thrust right thrust yes recommend right-right pattern Experiment thrust settings until have welltrimmed craft both high torque launch cruise Contest flying modeler has 54 Model Aviation model surrounded two seasons worth trophies middle 1990 NatIonals Senior Champion trophy right Nationai Record certificate 23 minutes June 1990 BALSAWOODTAIBI BALSA WOOD ST IC K S 1/16-INCH3648 1/16s 1/1606 1/163/3207 1/161 1/60912 1/16 3/161014 1/16 1/4Il16 1/16 3/61416 1/16 1/21721 1/16 03/42230 3/32-INCH3648 3/321 3/320912 3/32a 1/81014 3/32s 3/161116 3/320 1/41417 3/320 3/61520 3/32s 1/21722 3/320 3/42533 Double Balsa Wood Prices Spruce Basswood Slicks 1/8-INCH36 1/6 1/609 1/603/1612 1/6 0 1/414 1/6o3/617 1/6 0 1/218 1/803/426 3/16-INCH36 3/16s3/1614 3/16 a1/415 3/16 a3/617 3/1601/221 3/1603/430 1/4-INCH36 1/40 1/417 1/403/619 1/40 1/222 1/403/434 5/I 6-INCH36 5/1605/1623 5/160 3/625 5/160 1/230 5/1603/442 48 3/8-INCH3648 123/803/62640 163/60 1/23344 163/6 0 3/44764 22 26 1/2-INCH3648 1/20 1/24052 461/203/45675 TRIANGULAR 16 20CUT BALSA 221/40 1/403627 273/6o3/8o3631 411/2 0 1/2 0 3640 3/4 0 3/ 0 3650 481o1o3665 22 BALSA PLANKS 27 313/403036190 1451 o2o36175 1 o3o36246 46104036324 202036246 292o3o36352 32204036496 38303036524 56304036726 3-INCH 48 BALSA SHEETS 1-INCH 1/16 0 1 3/32 0 1 1/60 1 3/160 1 1/4 0 1 3/6 o 1 1/20 1 2-INCH 1/32 0 2 1/16 0 2 3/32 0 2 1/6 o 2 3/1602 1/4 0 2 3/6 0 2 1/2 0 2 3848 2939 3243 3547 3952 4461 5777 7094 3648 3243 3951 4459 4964 5677 67 90 62115 121161 1/3203 1/16 0 3 3/32 0 3 1/6 0 3 3/16 0 3 1/4 03 5/16 03 3/6 0 3 1/2 0 3 4-INCH 1/32 04 1/16 0 4 3/32 0 4 1/6 0 4 3/16 04 1/4 04 3/8 0 4 1/2 0 4 4357 4662 5675 6466 77102 90120 110143 126171 161214 3648 70 93 78106 881/7 102135 122162 1 40207 1 95280 234346 BIRCH PLY WOOD 1/640120 12 195 1/64 012024389 1/64o12o48601 1/64 0460483204 1132o6 o1279 1/32o12o12156 1132o12o24312 1132s12s48625 iliBoB o1278 1116o12o 12156 1116o12o24312 1/16o12s48625 3/3206012 97 3/320 120 12194 3/320 12024387 3/32012046774 1/806012107 1/6 0 12 0 12213 1/8o12o24425 1/8012046650 3/160601279 3/160 120 12156 3/15s12o24314 626 1/40601277 1/40 120 12156 1/4012024314 1/4 0 120 48626 3/60120 12183 3/6 012024365 3/8 o12046770 1/2012012216 1/2012024433 1/2012048665 LITE PLYWOOD 1/601201262 1/8012024164 1/80 12046326 TAPERED TRAILING ______________ EDGE 36 48 1/80 1/22432 3/16 0 3/43143 1/4014258 3/160 120485/160 1-1/44765 3/60 11/25677 * OPEN TO THE PUBLIC Superior Aircraft Materials* 12020-G Centralia iian Gardens California 90716 865-3220 Handling Charge -$500 $375 COD mum Order $2000 plus UPS accept Personal checks COD fornia Residents add 6% Sales Tax different style competition flying heres whats always worked well flying P-30 First use stooge winder youre comfortable far best P-30 winder have found Dave Reess Scalewinder Its 101 ratio makes winding lot quicker hand drills important consideration believe use motors make up four five motors before contest carefully weigh braid prestretch eight nine minutes also recommend storing motors separate zip-lock style sandwich bags listing winding number turns torque Youll learn lot about P-30 motors rubber general start doing Ive found tan P-30 motor best about its second third winding adequate until its sixth winding sure however wind same motor twice row rest about hour between windings Also keep logbook other data such site temperature humidity cloud conditions Maintaining careful records will help learn correct mistakes future Thermal-picking equipment another important consideration models light P-30s cattail fuzzies soap bubbles will work fine especially extra-calm days used cattail fuzzies just such day record flights Also thermistor often helpful know use thermal streamers work great makes sense use several above methods along least helper throwing cattail fuzzies blowing bubbles both Always remember thermals lifeblood P-30 fliers Finally chase important Walking running works fine calm days wind picks up youll need motorcycle After retrieving model put box strapped back motorcycle necessity next impossible carry twopiece airplane driving motorcycle box protects fragile structure Ill happy answer questions may have Write 3428 Bryn Mawr Dallas TX 75225 Please enclose self-addressed stamped envelope assure reply Suppliers Dave Rees 301 Yearling Drive Goldsboro NC 27530 101 winder FAI Model Supply PO Box 3957 Torrance CA 90510 tan rubber Mylar covering thermal streamers Y16-dia fuse Champion Model Products 880 Carmen Court La Verne CA 91750 balsa props tissue Peck-Polymers PO Box 710399-FM Santee CA 92072 props tissue wire washers thrust bearings LIGHTING SYSTEMS THE #RED 01 #RED 02 #RED 03 #RED 04 #RED 05 #RED 14 #RED 16 #RED 23 ORIGINALS. Still Programmable Flashing Navigation Lights Adjustable Rate Strobe Light Landing Lights Adjustable Rate Mars Rotating Beacon Marine Navigation Lights nonflashing Big Airplane Navigation Lights Econo Landing Lights brightest Real Strobe Light true zenon strobe Best $2495 $1995 $3995 $1995 $1095 $2495 $1995 $2995 SEE YOUR DEALER 0 SEND STAMPED ENVELOPE FOR RAM INFO unanyilable ocally send Check money order full credit card info cost item plus $200 $500 foreign immediate shipment Include tull address UPS Sorry no GOD Ram 4736 N Milwaukee Ave ago IL 60630 visaBJrn/C ELECTRONICS AA RADIO L WE HAVE OVER 26 YEARS EXPERIENCE IN M1 AT WE 1466 windward dr mason ohio 45040 plo 513 398-5423 August 1991 55 RENEW 2 Page 142 See Card
Edition: Model Aviation - 1991/08
Page Numbers: 52, 53, 54, 55
When kitted P-30 lost out-of-sight flight author enthusiastic about designing own model airborne within week its relatively long thin motor racy-looking wing pylon sound lightweight construction unusual great-flying P-30 has pulling trophies ever since EDon De Loach IT WAS spring 1986 before attending first AMA Nationals Junior built first P-30 model kitted One-Night 28 flew exceedingly badly can imagine dismay realized plane weighed 70 gramsalmost twice minimum Although Night never really pleased somehow interest P-30 remained fervent second P-30 Potent built Pharis kit unfortunately now out stock much encouraging respect Boy did love airplane think key its outstanding performance lightweight constructionthe model right 40-gram minimum addition its moments what consider optimal Potent finally lost out-of-sight flight Planesmen Labor Day meet toward end 1988 summer season sense excited excuse work new P-30 experience Potent figured gave good chance creating quite competitive original-design model right Polecat designed about hour prototype built following week pumped up about having original-design P-30 built airplane directly over original drawings rather taking time make copy model flew right off board its flawless competitor ever since Some philosophy underlying design worth least brief discussion area dimensions wing stabilizer similar used Potent block tips wing add weight necessary anchor embedding wire eyelet popoff wing dethermalizer fuselage dimensions close too really liked 18-inch hook-to-hook distance Potent perfect four-strand A-in motors Im partial later fin wing pylon duplicate used John ODwyer Sparrowhawk Coupe DHiver design Though bit time-consuming tricky build pylon gives model aerodynamic edge well racy looks Construction Except special comments follow standard Free Flight construction methods used Wing key point avoid using wood light sacrifice strength 1987 Lincoln Nationals hitch encountered Potent wind broke wing several times during winding strong wing begins very hard straight-grained leading edge bottom spar remaining spars trailing edge lighter weight wood must still strong good quality wing completed may want cap top spars 6000-strand carbon fiber tow available MRL Model Supplies carbon greatly increases strength balsa adds little weight Cover wing lightweight Japanese tissue carefully apply least coat highly thinned nitrate dope absolutely certain wing free warps warped wing model 52 Model Aviation Thermals ahoy Pictured its designer/buiider Poiccats aerodynami caiiy ciean iines relatively long thin mo tor give true competitive edge Fluorescent orange paint dark areas wing stabilizer metallized Mylar outer wing stabilizer panels improve models visibility flight becomes much difficult trim properly consistently Stabilizer fin old standbys apply Keep em light strong warpfree Use dope very sparingly tissue fact its best apply airbrushlightly Fuselage modelers havent caught rolled-tube fuselages great advantages offer number reason everyone should using rolled-tube fuselages P-30 models theyre lighter four five grams average slab-sided P-30 fuselage Blue Ridge Square Eagle example Rolled tubes also easier build little practice come out perfectly time first may split come unglued thats expected Start selecting 18-in-long piece very light straight-grained A6 balsa Dont worry point about getting width just right blank will ultimately about 2 3A wide seam isnt glued until after tube rolled Give side blank coat dope will inside Fill bathtub inch hot water soak blank 30 minutes After treatment youre ready wrap blank around mandrel -in PVC pipe makes perfect mandrel fuselage size shown plan actual outside diameter size pipe somewhere between 3/4 fully ease blank cylindrical shape taking care split wood Wrap wood around mandrel panty hose A-in-wide rubber Allow dry least two evenings indoors few hours afternoon sun youre sure wood dry remove carefully mandrel glue seam high-viscosity CyA cyanoacrylate glue tail boom can built same way happen have conical mandrel Otherwise build air using formers drawn plan guides main things remember keep lightweight make sure its well aligned motor tube absolutely certain wire loop wing tether line tail cone secure can kiss wing good bye loop isnt firmly glued epoxy like will fly away lightest lift Ask know dethermalizer DT system utmost importance make certain will August 1991 53 Left Overhead view model shows its sleek design four-strand FAI tan rubber motor plastic freewheeling prop relatively long motor approximately 26 es 1/in rubber offsets high drag type prop stretching power-on phase helping plane max Also note aluminized Mylar reflective panels Right Close-up showing reverse S-hook rubberband/dowel arrangement holding nose block shown plan DT fuse burn area latter should covered aluminum foil Rees Industries Scalewinder perfect P-30 models Morrili makes Simple Stooge running shoes Asics good P-30 running shoes Hmmm.. Photo taken 1990 Nationals prop held place after winding 1/32 wire inserted through 11160D alumi num tube glued nose block op tional author doesnt always use author Polecat rolled-tube fuselage lighter easier build av erage slab-sided P-30 fuselage fin wing pylon borrowed John ODwyers Sparrowhawk design Though time-consuming build pylon aerodynamic plus Full-Size Plans Available. See Page 204 3/B TOTAL DIHEDRAL /8 SO VERSLJzIARDIN CENTER RDNELS MEDIUM-HARD BALSA TIPS1/16 50 SRDRS HARD\ IIIIIIIIIIIIII\I 3/BXI/B MEDIUM \- V 026 WIRE EYESCREW 11/4 DIHEDRAL UNDER EACH OUTER PANEL PECK PA-6 BEARING1/16 SHT 2 HARD I/B SHEET LAMS 1/16 DIA BIRCH DOWEL 1/2 OF BAMBOO DOWELALUM 3/lB OD PECK 91/2 DIA PROP FUSELA~ HARD 3/32 SHEET ERODED 9EWEW 3/64 NEW REVERSE 5 HOOK -1/64 PLY BACKPLATE LVERY HARD BALSA BLOCK SPUN TO SHAPE ON DREMEL TOOL LATHE 1/16 DOWEL1/I6 S I/B 15 LB TESTHARD SPAR MONOFILAMENT (NOES WIND I/3D SHT TOP AND BOTTOM I/DO SO SPARS ALL TAILBOOM FORMERS 1/32 SHT MEDIUM 3/lB X 1/16 3/32 SHT 020 WIRE 1/20 50 BASS WRAP WITH 1/20 SHT FIN OPTIONAL 1/64 PLYWOOD THREAD AND EPOXY 3/32 50 --1/32 PLYI/lB SHEET VERY LIGHT 1/4 OD ALUM SNUFFER TUBEA-GRAIN 084 OD PVC MANDRELCOVR.MODELW/SOFT 1/16 1/20 50 BASSJAPJSSUL SOUARE 6 FROM LIGHT 1/32 24 FROM 1/32 SHT 2 FROM 1/16 SHEET FROM I/lB HARD I/lB HARD SHEET LE TE SNAP SWIVEL- YD~ I/lB SHT RIBSI/B SHT -SOFT I/lB SHEET CUT AND SAND FLUSH POWER 4 STRANDS FA TAN I/B APPY 261/2 OVERALL WITH MOTOR TUBE LENGTH 98 0 UNLUBEDI MAX WINDS 1400-1500 MOTOR RUN APPX DO-SD SECONDS IONIN I/lB DOWEL TAILBOOM IS VERYIJOST 1/32 GRAIN 1/6 50 SPRUCE USE 3/16 DIA PECK DT FUSE 0I2345B - 1/32 SHT TOP AND BOTTOM P-3D CLASS AMA SENIOR NATIONAL RECORD HOLDER DESIDNED BY D APRIL 1991 work flawlessly Should decide attempt pop-off wing arrangementby far best means dethermalizing P-30sat least put simple pop-up stab Thats better nothing wing held down single No 10 rubberband two strong wind Use same size rubberband hold stab well Although isnt shown plan recommend using rubberband arrangement anchoring nose block Mine uses two pins fuselage two nose block No 8 rubberband Polecat comes out bit underweight should can greatly improve its visibility adding fluorescent orange paint reflective Mylar everywhere can painted parts wing stab fluorescent orange used Mylar outer wing stab panels Flying After making sure structures components secure well aligned working order get acquainted motor size length youll using highly recommend four-strand motor A-in FM tan rubber approximately 26/2 long length will yield 10gram motor maximum allowed under rules argument whether relatively long thin motor described above better relatively short powerful such four 21-in-long strands /B rubber has yet settled would estimate 80 percent P-30 fliers today use shorter motors cant say sure suspect thats because fliers accustomed motor characteristics Wakefields Coupes always very short powerful yielding almost vertical 30- 40-second motor run work class model use myself theyre less effective P-30 difference lies propeller P-30 propeller plastic freewheelera nonfolder P-30 short powerful motor finishes its prop run usually about 40 seconds will have glide rest flight behind high-drag freewheeling prop rather folder long thin motor other hand youre obviously going able put turns hence motor run will much longer about 55 seconds minute means model will have spent half rather onethird its flight power-on will need glide minute behind high-drag prop get max Sound crazy Believe worksfor whatever reason will gladly answer correspondence contending opposite Back flying Braid motor winding 150 clockwise turns yes normal winding direction Use 0-ring Crocket hook transferring motor prop block after winding Install motor Balance model center-of-gravity shown plans adding weight necessary wing incidence shown shim under stab trailing edge Polecat should glide right off board adjust decalage until does add stab tilt and/or rudder not-too-tight right glide circle have model gliding well proceed power-on trimming Start out few winds over tall grass Because high wing pylon youll probably have add good deal downthrust did Also model will probably need least some side thrust right thrust yes recommend right-right pattern Experiment thrust settings until have welltrimmed craft both high torque launch cruise Contest flying modeler has 54 Model Aviation model surrounded two seasons worth trophies middle 1990 NatIonals Senior Champion trophy right Nationai Record certificate 23 minutes June 1990 BALSAWOODTAIBI BALSA WOOD ST IC K S 1/16-INCH3648 1/16s 1/1606 1/163/3207 1/161 1/60912 1/16 3/161014 1/16 1/4Il16 1/16 3/61416 1/16 1/21721 1/16 03/42230 3/32-INCH3648 3/321 3/320912 3/32a 1/81014 3/32s 3/161116 3/320 1/41417 3/320 3/61520 3/32s 1/21722 3/320 3/42533 Double Balsa Wood Prices Spruce Basswood Slicks 1/8-INCH36 1/6 1/609 1/603/1612 1/6 0 1/414 1/6o3/617 1/6 0 1/218 1/803/426 3/16-INCH36 3/16s3/1614 3/16 a1/415 3/16 a3/617 3/1601/221 3/1603/430 1/4-INCH36 1/40 1/417 1/403/619 1/40 1/222 1/403/434 5/I 6-INCH36 5/1605/1623 5/160 3/625 5/160 1/230 5/1603/442 48 3/8-INCH3648 123/803/62640 163/60 1/23344 163/6 0 3/44764 22 26 1/2-INCH3648 1/20 1/24052 461/203/45675 TRIANGULAR 16 20CUT BALSA 221/40 1/403627 273/6o3/8o3631 411/2 0 1/2 0 3640 3/4 0 3/ 0 3650 481o1o3665 22 BALSA PLANKS 27 313/403036190 1451 o2o36175 1 o3o36246 46104036324 202036246 292o3o36352 32204036496 38303036524 56304036726 3-INCH 48 BALSA SHEETS 1-INCH 1/16 0 1 3/32 0 1 1/60 1 3/160 1 1/4 0 1 3/6 o 1 1/20 1 2-INCH 1/32 0 2 1/16 0 2 3/32 0 2 1/6 o 2 3/1602 1/4 0 2 3/6 0 2 1/2 0 2 3848 2939 3243 3547 3952 4461 5777 7094 3648 3243 3951 4459 4964 5677 67 90 62115 121161 1/3203 1/16 0 3 3/32 0 3 1/6 0 3 3/16 0 3 1/4 03 5/16 03 3/6 0 3 1/2 0 3 4-INCH 1/32 04 1/16 0 4 3/32 0 4 1/6 0 4 3/16 04 1/4 04 3/8 0 4 1/2 0 4 4357 4662 5675 6466 77102 90120 110143 126171 161214 3648 70 93 78106 881/7 102135 122162 1 40207 1 95280 234346 BIRCH PLY WOOD 1/640120 12 195 1/64 012024389 1/64o12o48601 1/64 0460483204 1132o6 o1279 1/32o12o12156 1132o12o24312 1132s12s48625 iliBoB o1278 1116o12o 12156 1116o12o24312 1/16o12s48625 3/3206012 97 3/320 120 12194 3/320 12024387 3/32012046774 1/806012107 1/6 0 12 0 12213 1/8o12o24425 1/8012046650 3/160601279 3/160 120 12156 3/15s12o24314 626 1/40601277 1/40 120 12156 1/4012024314 1/4 0 120 48626 3/60120 12183 3/6 012024365 3/8 o12046770 1/2012012216 1/2012024433 1/2012048665 LITE PLYWOOD 1/601201262 1/8012024164 1/80 12046326 TAPERED TRAILING ______________ EDGE 36 48 1/80 1/22432 3/16 0 3/43143 1/4014258 3/160 120485/160 1-1/44765 3/60 11/25677 * OPEN TO THE PUBLIC Superior Aircraft Materials* 12020-G Centralia iian Gardens California 90716 865-3220 Handling Charge -$500 $375 COD mum Order $2000 plus UPS accept Personal checks COD fornia Residents add 6% Sales Tax different style competition flying heres whats always worked well flying P-30 First use stooge winder youre comfortable far best P-30 winder have found Dave Reess Scalewinder Its 101 ratio makes winding lot quicker hand drills important consideration believe use motors make up four five motors before contest carefully weigh braid prestretch eight nine minutes also recommend storing motors separate zip-lock style sandwich bags listing winding number turns torque Youll learn lot about P-30 motors rubber general start doing Ive found tan P-30 motor best about its second third winding adequate until its sixth winding sure however wind same motor twice row rest about hour between windings Also keep logbook other data such site temperature humidity cloud conditions Maintaining careful records will help learn correct mistakes future Thermal-picking equipment another important consideration models light P-30s cattail fuzzies soap bubbles will work fine especially extra-calm days used cattail fuzzies just such day record flights Also thermistor often helpful know use thermal streamers work great makes sense use several above methods along least helper throwing cattail fuzzies blowing bubbles both Always remember thermals lifeblood P-30 fliers Finally chase important Walking running works fine calm days wind picks up youll need motorcycle After retrieving model put box strapped back motorcycle necessity next impossible carry twopiece airplane driving motorcycle box protects fragile structure Ill happy answer questions may have Write 3428 Bryn Mawr Dallas TX 75225 Please enclose self-addressed stamped envelope assure reply Suppliers Dave Rees 301 Yearling Drive Goldsboro NC 27530 101 winder FAI Model Supply PO Box 3957 Torrance CA 90510 tan rubber Mylar covering thermal streamers Y16-dia fuse Champion Model Products 880 Carmen Court La Verne CA 91750 balsa props tissue Peck-Polymers PO Box 710399-FM Santee CA 92072 props tissue wire washers thrust bearings LIGHTING SYSTEMS THE #RED 01 #RED 02 #RED 03 #RED 04 #RED 05 #RED 14 #RED 16 #RED 23 ORIGINALS. Still Programmable Flashing Navigation Lights Adjustable Rate Strobe Light Landing Lights Adjustable Rate Mars Rotating Beacon Marine Navigation Lights nonflashing Big Airplane Navigation Lights Econo Landing Lights brightest Real Strobe Light true zenon strobe Best $2495 $1995 $3995 $1995 $1095 $2495 $1995 $2995 SEE YOUR DEALER 0 SEND STAMPED ENVELOPE FOR RAM INFO unanyilable ocally send Check money order full credit card info cost item plus $200 $500 foreign immediate shipment Include tull address UPS Sorry no GOD Ram 4736 N Milwaukee Ave ago IL 60630 visaBJrn/C ELECTRONICS AA RADIO L WE HAVE OVER 26 YEARS EXPERIENCE IN M1 AT WE 1466 windward dr mason ohio 45040 plo 513 398-5423 August 1991 55 RENEW 2 Page 142 See Card