BY THE TIME read article perhaps Tsunami will have taken air first leg journey will likely end Smithsonian Institutions Na tional Air Space Museum re markable racing aircraft has designed John Sandburg Minneapolis MN Bruce Roland Tsunami conceived capable doing things better other aircraft has done before I To superior Unlimited class closed-course racing Expectations will compete Reno 2 To better land speed record reciprocating-engine-powered aircraft record currently held Red Baron another project having participation Bruce Roland 3 To establish new seaplane speed record propeller-driven aircraft Italians have held record since 1938 4 To try absolute speed record prop-driven planes would turboprop version Although Tsunami bears superficial resemblance venerable P-5 1 Mus tang things same spinner 2400-hp Rolls Royce Merlin engine Otherwise new original design speed flying flushriveted compact finely-detailed thorough bred model its profile format engine simplest quickest way get new significant design built flying profile form sleek lines come through particularly flight model easy fly good beginner racing heritage seems require better usual attention detail some optional features shownsuch enclosed pushrod offset engine mount preserves lines spinner removable landing gear model can flown Construction Obtain full-size plan MA Plans Service will make easier lay out accurate profiles Select firm h-in sheet balsa wing fuselage /16 sheet balsa tail surfaces Cut balsa parts outline plans band saw available knife Shaping airfoil wing tedious chore begin Ill des cribe method doing may make job easier First mark wing blank left other right may surprised times two right wings made mistake Using ballpoint pen scribe line along trailing edge wing blank Vs up bottom Run another line 66 Model Aviation Top Artists rendition Tsunami racer Above authors daughter Carol poses model Hunton also archi tectof National CenterforAeromodeling final paint scheme has decided Tsunami Whats shown could representative aqua off white deep aqua trim Watch final design its sure newsmaker race course Full-size plane uses P-51 engine prop spinner Designed emulate brute fury its namesake fullsize unlimited racer will out take speed records propeller-driven aircraft 1/2A Control Line version present provides advance look lines yet-tobe-completed airplane EJohn Hunton down top surface blank halfway between front back Using knife coarse sandpaper block wood remove material flat between two lines Mark another line om along leading edge Run another line midway between previous line top leading edge Remove material between two lines sanding block finer sand paper round airfoil fine trailing edge well-rounded leading edge Left parts finish-sanded primed separately before final assembly Right After assembly re-prime apply color paint LeftThe TD 051 located floating mount preserve lines profile nose Right piece painted tape hides elevator horn October 1986 67 Full-Size Plans Available. See Page 172 U UNLIMITED CLASS 4CEI MOL 50 JO*4N MUNTO KCLESAJL5ON FOP MOTORTAN44-MOTOI MOUNT MOUNTIN MO/NTATTACH MOLES HOLESWlR/4roWINS/ epoe1 AS 3HOWN3/SmALSAFAIIN6 SOFT WIPE Q4PRFEC-T ENIN *TAIW /5 PLYWOOO PLATE H /5PLYwooo MAIN R I/ PLXWOOP PEAR 5PA 1/bPyWOOO LINE GIJIOE 4GaALEA ELEVATOr* 5TALIZ&- FEPECX PAINTEP-ON PAN76P-ON AIPINGCANOPTN ANO EXHALTT0WAO CVr5IE OP CIRCLE -OPTIONAL CUT OUT MAINOPTIONAL HI~H-PO IPN PAP5HO Ac MuSIC- WIRE PAIN1P BALANCe/ POINT /TRUE LENGTh // L&5140WN / OPTIONALMZOZ3458 / LG OOOWEI&HT GPTIONAL airfoil results book very low wing loading model flies works fine Use similar method horizontal vertical stabilizers Round off edges fuselage except wing panels fit Apply coat paint primer parts before assembled lightly sand primer dry Cut plywood parts -in plywood Assemble pieces model plywood main spar automatically aligns wings fuselage proper dihedral angle reinforces fuselage Cut out plywood landing gear mount Pre-fit parts make certain will end up flush wing White glue good assembly Mount tail surfaces being careful alignment rudder should mounted cause model turn outward circle keep lines tight concealed pushrod can made splitting fuselage along pushrod line hollowing half about deep gluing parts back together Continued page 161 68 Model Aviation 7e Vb W etail underside its one-piece gearwire Gear isweil back soitwill necessary hold up-elevator until model gets moving keep nosing over flight its very stable thoughalmost point making good candidate CL trainer C Oou moo no Hoo Exo IO Picft Ships Boats Cors 4Topues/ wcrnds Trdo Exhibitors CIaiIotto mechondiso mart 2500 E Independence IIij. Charlotte flO e THANKSGIVING WEEKEND flowembe 9 30 * meet Ou Special Ouest WORLD WAR H FIGHTER ACE Robert S Johnson 028 Victories0 5th FIGHTER GROUP Display Inlormatton contact CAROLINA HOBBY EXPO 3452 ODELL SCHOOL RQCONCORD NC 28025 704-786-8373 approximately half weight anything else have seen filler can used companys glue MM1 11 suggest try lightweight fillets general filling Racing aircraft manufacturers address Model Magic Inc PO Box 19784 St Paul MN 85119 Another product found worked excep tionally well frozen elevator hinges made Micro Research Inc PO Box 277 Danbury CT 06813 occasions have replace worn damaged elevator hinges planes found after repair hinges some residual epoxy Hot Stuff innards restricted movement applying drop two material hinge bind completely eliminated addition material does remain liquid after applied dries leaves fuel-proof deposit hinge allows permanent freedom movement material also excellent bellcrank mounting bolt bushings pushrods used control elevator fuel shutoff have considerable amount trouble items hardware binding up after have use product seems eliminate binding penetrates actually deposits thin permanent coating dramatically re duces friction might want try product have make field repair elevator Racer have also found inexpensive fiberglassfilled propeller Scale Racing requires very little deflashing filing GY-4 prop J&J Sales sold pairs approximately $455 certainly bargain Ive used couple ofthem Scale Racers found have excellent per formance copied 1985 Nats winner Weve also discovered inexpensive source replacement cells GloBee Fireplug starting battery After several years use recharging batteries have tendency completely lose charge have found excellent replacement battery stock Sears stores Sears has line battery-operated recharge able hand tools use several Ni-Cd cells power sourcecells will fit right Fireplug case will however have make slight adjustment cells plus minus probes before using Nats preparation have good authority several competitors additional cylinderhead clearance going required races years Nats seems air temperature Lake Charles LA way up late Julywhen Nats scheduled recent series test flights 950 days 70% relative humidity found engine performance certainly dropped glow plug failure became problem raising head another 006 able minimize problem think mandatory engines used extremely hot weather thor oughly broken firstand should also have bench-run under high-temperature conditions before being flown competition Doing will eliminate lot problems Nats site As always comments solicited photos too John C Ballard 10102 Kimblewick Dr Louisville KY 40223 Tsunami Hunton Continued page 68 model shown photographs finished Black Baron epoxy system primer Two coats ofprimerwith alight wet-sanding between coats will well Use flat paint basic finish coat After coat dries well trim can applied felt-tip markers apply finish coat gloss clear Install elevators wire joiner plastic hinges Install pushrod elevator horn install bellerank bolted through wing certain controls well-centered move freely Cut pieces plastic hinge material serve landing gear mounts Bend 1/i6 m gear wire shape attach wheels mount assembly model Install tail wheel model will track straight ahead Mount tank plywood plate soft wire bolt engine Hook up fuel line will best run needle valve top side prevent its being damaged case nose-over landing Drill blind holes fuselage insert epoxy holes using plywood plate guide epoxy mounting bolts After epoxy has cured run nuts onto bolts slip plywood engine plane install nuts hold down plate Balance model point shown plans Use modeling clay necessary achieve balance initial flights add approximately 1 oz modeling clay outboard wing tip can removed become experienced flier Continued page 162 L Basic Constracrion Begirrrrers 107 Mis 4995 2 Basic Flight Training Begiorrers 65 Me 44 95 3 World Model Aearion 90 Mm 44 95 4 Oshkosh Ooerviess 55Mm 3995 3995 S Anpiarre Farrrries 30 Mis 6 US Scale MastershO Mis 419 rfnrdsjn Action 75 Mis 4995 K 8 HedgeHoppioVoll45Min 4195 9 WhchWavisUp70Mor 4795 Ill Hedge Hoppin Vol 1141 Mn 41 95 Rental DepoSIt Retal Price TapeK KRental Durationr 7 Days After DeliveryK K Panent Check Ill dassi MO Visa MC Card # & K K Fop Date Phone C C 0 0 s Asailable hr} Phorre K K Shippinq 3 75 Fsrei4n Carrada Add 111% Total K K Others 15111 Res Add 7 Tas K Academy Aviation R & D PO Box 277 K Hazel Crest IL 60429 335-0776 K October 1 986161 3rd Pnnuol STPTIC SHOW & SWPP SHOP World famous kits Europe Large magnificent replicas over 4 feet long wit h beautiful walnut mahogany planking fittings details exquisitely cast bronza brass rare hardwoods Large scale plans step-bystep instructions materials included VHS Video tape cassette howto build also available Send 64-pg full-color catalog Only $100 MODEL EXPO INC Dept MA-lOes 23 Just Road Fairfield NJ 07007 Please send full color ship model catalog $100 enclosed Name Address Oity State_____________________ Zip Model Aviation Flying 6-3 prop recommended Use Dacron lines approx 25 30 ft long Wait reasonably calm day Use full power enginejust slightly rich side plane released want have full-up control initially keep nose up After sufficient speed built up however go neutral control let model take off itself let model climb too high go slow line tension will reduced lost will lose control Pay par ticular attention wind com ing let model climb wind until used Good luck model Watch full-size Tsunami will news FF Indoor/Tenny Continued page 69 Bat Sheet$5 12 fantastic issues however tong takes Tom Cashman 252t SW 23rd St Federal Way WA 98023 WMCPatter$3 per year Bultet Bob Statick 5066 NW Picadilty Cir Albany OR 97321 Thumb Print $3 six issues bimonth ty David Mills tO-D Pine Circle NEAtlanta GA 30305 Dope Bucket? contact Laron R Huddleston 3475 W 14400 5 Btuffdale UT 84065-5106 Okie Free Flight Flyer$5 eight issues Bill Baker 1902 Peter Pan St Norman OK 73072 Free Flight News? Ian Kaynes 7 Ashtey Rd Farnborough Hants Engtand GUt4 7EZ Read fascinating catalogs Ive read Model Research Laboratory Catalog Curt Stevens setta hi-tech sub stances dangerous use issues warning No under age 65 may purchase modeling materials written permission mother Modelers over 65 must have written permission doctor wife wifes doctor event modeler over 65 unmarried doctors wifes written permission may substituted permission nonexistent wife such cases wifes doctors permis sion shall required except such cases wish pay post-dated check555 other wordsyou could get hurtwith products dont carry insurance Hi-tech Indoor modelers havent seen catalog wilt fascinated range products available listing introduced report various materials rating cost density stiffness heat resistance tough ness impact resistance booklet almost must want learn use new materials Get own sending $1 Model Research Laboratories 25108 Mar guerite Pkwy B-160 Mission Viejo CA 92692 CDs note latest issue Thumb Print lists following Indoor season activity already defined Atlanta area Contest/flying sessions Forsyth County High School Cum ming GAOctober 5 November 9 December 14 1986 January 18 February 22 March 29 April 26 1987 March29 date billed 1987 Peach State Indoor Championships See address above Thermal Thumbers contact As usual will happy list scheduled activity can get word required lead time approximately three months want listing cant schedule far advance send contact man info possible time frame Easy B No-No months photos shows Easy B variable pitch prop flown 1982 Indoor World Champs Most will have seen August 1986 MA Indoor Contest Board has interpreted AMA Rules mean variable-pitch vaijable-diameter props acceptable Easy B models read notice closely also realize temporary ruling pending confirmation vote Indoor Contest Board fly Easy B should tell ICB member feel Note against interpretation express selves ICB would have reverse ruling agree ruling say offset might complain ICB cant make rules like knowing what want Props etc Yes promised talk about prop blocks covering time However limit photos can use single column prop block will describe built Stan Chilton can document basic technique caine Ill happy give credit traditional prop block carved single block difficult accurately somewhat inflexible want unusual pitch distribution Stans block starts rigid base longer finished prop will basic idea construct angular support creates proper blade angle rib station central fixture align shaft prop hook first photo prop-block series shows tip template center fixture mounted plywood base thread stretched between two establishes baseline prop shaft second photo shows blade station templates installed just touching string guide third photo shows two steps blade-angle template has painted black filler blocks balsa have glued place blocks carved level templates down black palnt finished block painted black give better visibility white balsa prop frames final photo shows finished block built covered blade drying place As recom mended previous column blade covered right block minimize stress its fragile structure Unfinished business Last time showed wide-blade Novice Pennyplane prop Jim Clem promised some performance figures prop/model combo has very consistent has set Category 26-ft ceiling Category 1131-ft ceiling records 811 902 respectively same setup flown US Indoor Championships took sixth 1039 67-ft ceiling Next time Ill have details prop blocks covering techniques Bud Tenny Box 545 Richardson TK 75080 responding advertisers mention read about Model Aviation
Edition: Model Aviation - 1986/10
Page Numbers: 66, 67, 68, 161, 162
BY THE TIME read article perhaps Tsunami will have taken air first leg journey will likely end Smithsonian Institutions Na tional Air Space Museum re markable racing aircraft has designed John Sandburg Minneapolis MN Bruce Roland Tsunami conceived capable doing things better other aircraft has done before I To superior Unlimited class closed-course racing Expectations will compete Reno 2 To better land speed record reciprocating-engine-powered aircraft record currently held Red Baron another project having participation Bruce Roland 3 To establish new seaplane speed record propeller-driven aircraft Italians have held record since 1938 4 To try absolute speed record prop-driven planes would turboprop version Although Tsunami bears superficial resemblance venerable P-5 1 Mus tang things same spinner 2400-hp Rolls Royce Merlin engine Otherwise new original design speed flying flushriveted compact finely-detailed thorough bred model its profile format engine simplest quickest way get new significant design built flying profile form sleek lines come through particularly flight model easy fly good beginner racing heritage seems require better usual attention detail some optional features shownsuch enclosed pushrod offset engine mount preserves lines spinner removable landing gear model can flown Construction Obtain full-size plan MA Plans Service will make easier lay out accurate profiles Select firm h-in sheet balsa wing fuselage /16 sheet balsa tail surfaces Cut balsa parts outline plans band saw available knife Shaping airfoil wing tedious chore begin Ill des cribe method doing may make job easier First mark wing blank left other right may surprised times two right wings made mistake Using ballpoint pen scribe line along trailing edge wing blank Vs up bottom Run another line 66 Model Aviation Top Artists rendition Tsunami racer Above authors daughter Carol poses model Hunton also archi tectof National CenterforAeromodeling final paint scheme has decided Tsunami Whats shown could representative aqua off white deep aqua trim Watch final design its sure newsmaker race course Full-size plane uses P-51 engine prop spinner Designed emulate brute fury its namesake fullsize unlimited racer will out take speed records propeller-driven aircraft 1/2A Control Line version present provides advance look lines yet-tobe-completed airplane EJohn Hunton down top surface blank halfway between front back Using knife coarse sandpaper block wood remove material flat between two lines Mark another line om along leading edge Run another line midway between previous line top leading edge Remove material between two lines sanding block finer sand paper round airfoil fine trailing edge well-rounded leading edge Left parts finish-sanded primed separately before final assembly Right After assembly re-prime apply color paint LeftThe TD 051 located floating mount preserve lines profile nose Right piece painted tape hides elevator horn October 1986 67 Full-Size Plans Available. See Page 172 U UNLIMITED CLASS 4CEI MOL 50 JO*4N MUNTO KCLESAJL5ON FOP MOTORTAN44-MOTOI MOUNT MOUNTIN MO/NTATTACH MOLES HOLESWlR/4roWINS/ epoe1 AS 3HOWN3/SmALSAFAIIN6 SOFT WIPE Q4PRFEC-T ENIN *TAIW /5 PLYWOOO PLATE H /5PLYwooo MAIN R I/ PLXWOOP PEAR 5PA 1/bPyWOOO LINE GIJIOE 4GaALEA ELEVATOr* 5TALIZ&- FEPECX PAINTEP-ON PAN76P-ON AIPINGCANOPTN ANO EXHALTT0WAO CVr5IE OP CIRCLE -OPTIONAL CUT OUT MAINOPTIONAL HI~H-PO IPN PAP5HO Ac MuSIC- WIRE PAIN1P BALANCe/ POINT /TRUE LENGTh // L&5140WN / OPTIONALMZOZ3458 / LG OOOWEI&HT GPTIONAL airfoil results book very low wing loading model flies works fine Use similar method horizontal vertical stabilizers Round off edges fuselage except wing panels fit Apply coat paint primer parts before assembled lightly sand primer dry Cut plywood parts -in plywood Assemble pieces model plywood main spar automatically aligns wings fuselage proper dihedral angle reinforces fuselage Cut out plywood landing gear mount Pre-fit parts make certain will end up flush wing White glue good assembly Mount tail surfaces being careful alignment rudder should mounted cause model turn outward circle keep lines tight concealed pushrod can made splitting fuselage along pushrod line hollowing half about deep gluing parts back together Continued page 161 68 Model Aviation 7e Vb W etail underside its one-piece gearwire Gear isweil back soitwill necessary hold up-elevator until model gets moving keep nosing over flight its very stable thoughalmost point making good candidate CL trainer C Oou moo no Hoo Exo IO Picft Ships Boats Cors 4Topues/ wcrnds Trdo Exhibitors CIaiIotto mechondiso mart 2500 E Independence IIij. Charlotte flO e THANKSGIVING WEEKEND flowembe 9 30 * meet Ou Special Ouest WORLD WAR H FIGHTER ACE Robert S Johnson 028 Victories0 5th FIGHTER GROUP Display Inlormatton contact CAROLINA HOBBY EXPO 3452 ODELL SCHOOL RQCONCORD NC 28025 704-786-8373 approximately half weight anything else have seen filler can used companys glue MM1 11 suggest try lightweight fillets general filling Racing aircraft manufacturers address Model Magic Inc PO Box 19784 St Paul MN 85119 Another product found worked excep tionally well frozen elevator hinges made Micro Research Inc PO Box 277 Danbury CT 06813 occasions have replace worn damaged elevator hinges planes found after repair hinges some residual epoxy Hot Stuff innards restricted movement applying drop two material hinge bind completely eliminated addition material does remain liquid after applied dries leaves fuel-proof deposit hinge allows permanent freedom movement material also excellent bellcrank mounting bolt bushings pushrods used control elevator fuel shutoff have considerable amount trouble items hardware binding up after have use product seems eliminate binding penetrates actually deposits thin permanent coating dramatically re duces friction might want try product have make field repair elevator Racer have also found inexpensive fiberglassfilled propeller Scale Racing requires very little deflashing filing GY-4 prop J&J Sales sold pairs approximately $455 certainly bargain Ive used couple ofthem Scale Racers found have excellent per formance copied 1985 Nats winner Weve also discovered inexpensive source replacement cells GloBee Fireplug starting battery After several years use recharging batteries have tendency completely lose charge have found excellent replacement battery stock Sears stores Sears has line battery-operated recharge able hand tools use several Ni-Cd cells power sourcecells will fit right Fireplug case will however have make slight adjustment cells plus minus probes before using Nats preparation have good authority several competitors additional cylinderhead clearance going required races years Nats seems air temperature Lake Charles LA way up late Julywhen Nats scheduled recent series test flights 950 days 70% relative humidity found engine performance certainly dropped glow plug failure became problem raising head another 006 able minimize problem think mandatory engines used extremely hot weather thor oughly broken firstand should also have bench-run under high-temperature conditions before being flown competition Doing will eliminate lot problems Nats site As always comments solicited photos too John C Ballard 10102 Kimblewick Dr Louisville KY 40223 Tsunami Hunton Continued page 68 model shown photographs finished Black Baron epoxy system primer Two coats ofprimerwith alight wet-sanding between coats will well Use flat paint basic finish coat After coat dries well trim can applied felt-tip markers apply finish coat gloss clear Install elevators wire joiner plastic hinges Install pushrod elevator horn install bellerank bolted through wing certain controls well-centered move freely Cut pieces plastic hinge material serve landing gear mounts Bend 1/i6 m gear wire shape attach wheels mount assembly model Install tail wheel model will track straight ahead Mount tank plywood plate soft wire bolt engine Hook up fuel line will best run needle valve top side prevent its being damaged case nose-over landing Drill blind holes fuselage insert epoxy holes using plywood plate guide epoxy mounting bolts After epoxy has cured run nuts onto bolts slip plywood engine plane install nuts hold down plate Balance model point shown plans Use modeling clay necessary achieve balance initial flights add approximately 1 oz modeling clay outboard wing tip can removed become experienced flier Continued page 162 L Basic Constracrion Begirrrrers 107 Mis 4995 2 Basic Flight Training Begiorrers 65 Me 44 95 3 World Model Aearion 90 Mm 44 95 4 Oshkosh Ooerviess 55Mm 3995 3995 S Anpiarre Farrrries 30 Mis 6 US Scale MastershO Mis 419 rfnrdsjn Action 75 Mis 4995 K 8 HedgeHoppioVoll45Min 4195 9 WhchWavisUp70Mor 4795 Ill Hedge Hoppin Vol 1141 Mn 41 95 Rental DepoSIt Retal Price TapeK KRental Durationr 7 Days After DeliveryK K Panent Check Ill dassi MO Visa MC Card # & K K Fop Date Phone C C 0 0 s Asailable hr} Phorre K K Shippinq 3 75 Fsrei4n Carrada Add 111% Total K K Others 15111 Res Add 7 Tas K Academy Aviation R & D PO Box 277 K Hazel Crest IL 60429 335-0776 K October 1 986161 3rd Pnnuol STPTIC SHOW & SWPP SHOP World famous kits Europe Large magnificent replicas over 4 feet long wit h beautiful walnut mahogany planking fittings details exquisitely cast bronza brass rare hardwoods Large scale plans step-bystep instructions materials included VHS Video tape cassette howto build also available Send 64-pg full-color catalog Only $100 MODEL EXPO INC Dept MA-lOes 23 Just Road Fairfield NJ 07007 Please send full color ship model catalog $100 enclosed Name Address Oity State_____________________ Zip Model Aviation Flying 6-3 prop recommended Use Dacron lines approx 25 30 ft long Wait reasonably calm day Use full power enginejust slightly rich side plane released want have full-up control initially keep nose up After sufficient speed built up however go neutral control let model take off itself let model climb too high go slow line tension will reduced lost will lose control Pay par ticular attention wind com ing let model climb wind until used Good luck model Watch full-size Tsunami will news FF Indoor/Tenny Continued page 69 Bat Sheet$5 12 fantastic issues however tong takes Tom Cashman 252t SW 23rd St Federal Way WA 98023 WMCPatter$3 per year Bultet Bob Statick 5066 NW Picadilty Cir Albany OR 97321 Thumb Print $3 six issues bimonth ty David Mills tO-D Pine Circle NEAtlanta GA 30305 Dope Bucket? contact Laron R Huddleston 3475 W 14400 5 Btuffdale UT 84065-5106 Okie Free Flight Flyer$5 eight issues Bill Baker 1902 Peter Pan St Norman OK 73072 Free Flight News? Ian Kaynes 7 Ashtey Rd Farnborough Hants Engtand GUt4 7EZ Read fascinating catalogs Ive read Model Research Laboratory Catalog Curt Stevens setta hi-tech sub stances dangerous use issues warning No under age 65 may purchase modeling materials written permission mother Modelers over 65 must have written permission doctor wife wifes doctor event modeler over 65 unmarried doctors wifes written permission may substituted permission nonexistent wife such cases wifes doctors permis sion shall required except such cases wish pay post-dated check555 other wordsyou could get hurtwith products dont carry insurance Hi-tech Indoor modelers havent seen catalog wilt fascinated range products available listing introduced report various materials rating cost density stiffness heat resistance tough ness impact resistance booklet almost must want learn use new materials Get own sending $1 Model Research Laboratories 25108 Mar guerite Pkwy B-160 Mission Viejo CA 92692 CDs note latest issue Thumb Print lists following Indoor season activity already defined Atlanta area Contest/flying sessions Forsyth County High School Cum ming GAOctober 5 November 9 December 14 1986 January 18 February 22 March 29 April 26 1987 March29 date billed 1987 Peach State Indoor Championships See address above Thermal Thumbers contact As usual will happy list scheduled activity can get word required lead time approximately three months want listing cant schedule far advance send contact man info possible time frame Easy B No-No months photos shows Easy B variable pitch prop flown 1982 Indoor World Champs Most will have seen August 1986 MA Indoor Contest Board has interpreted AMA Rules mean variable-pitch vaijable-diameter props acceptable Easy B models read notice closely also realize temporary ruling pending confirmation vote Indoor Contest Board fly Easy B should tell ICB member feel Note against interpretation express selves ICB would have reverse ruling agree ruling say offset might complain ICB cant make rules like knowing what want Props etc Yes promised talk about prop blocks covering time However limit photos can use single column prop block will describe built Stan Chilton can document basic technique caine Ill happy give credit traditional prop block carved single block difficult accurately somewhat inflexible want unusual pitch distribution Stans block starts rigid base longer finished prop will basic idea construct angular support creates proper blade angle rib station central fixture align shaft prop hook first photo prop-block series shows tip template center fixture mounted plywood base thread stretched between two establishes baseline prop shaft second photo shows blade station templates installed just touching string guide third photo shows two steps blade-angle template has painted black filler blocks balsa have glued place blocks carved level templates down black palnt finished block painted black give better visibility white balsa prop frames final photo shows finished block built covered blade drying place As recom mended previous column blade covered right block minimize stress its fragile structure Unfinished business Last time showed wide-blade Novice Pennyplane prop Jim Clem promised some performance figures prop/model combo has very consistent has set Category 26-ft ceiling Category 1131-ft ceiling records 811 902 respectively same setup flown US Indoor Championships took sixth 1039 67-ft ceiling Next time Ill have details prop blocks covering techniques Bud Tenny Box 545 Richardson TK 75080 responding advertisers mention read about Model Aviation
Edition: Model Aviation - 1986/10
Page Numbers: 66, 67, 68, 161, 162
BY THE TIME read article perhaps Tsunami will have taken air first leg journey will likely end Smithsonian Institutions Na tional Air Space Museum re markable racing aircraft has designed John Sandburg Minneapolis MN Bruce Roland Tsunami conceived capable doing things better other aircraft has done before I To superior Unlimited class closed-course racing Expectations will compete Reno 2 To better land speed record reciprocating-engine-powered aircraft record currently held Red Baron another project having participation Bruce Roland 3 To establish new seaplane speed record propeller-driven aircraft Italians have held record since 1938 4 To try absolute speed record prop-driven planes would turboprop version Although Tsunami bears superficial resemblance venerable P-5 1 Mus tang things same spinner 2400-hp Rolls Royce Merlin engine Otherwise new original design speed flying flushriveted compact finely-detailed thorough bred model its profile format engine simplest quickest way get new significant design built flying profile form sleek lines come through particularly flight model easy fly good beginner racing heritage seems require better usual attention detail some optional features shownsuch enclosed pushrod offset engine mount preserves lines spinner removable landing gear model can flown Construction Obtain full-size plan MA Plans Service will make easier lay out accurate profiles Select firm h-in sheet balsa wing fuselage /16 sheet balsa tail surfaces Cut balsa parts outline plans band saw available knife Shaping airfoil wing tedious chore begin Ill des cribe method doing may make job easier First mark wing blank left other right may surprised times two right wings made mistake Using ballpoint pen scribe line along trailing edge wing blank Vs up bottom Run another line 66 Model Aviation Top Artists rendition Tsunami racer Above authors daughter Carol poses model Hunton also archi tectof National CenterforAeromodeling final paint scheme has decided Tsunami Whats shown could representative aqua off white deep aqua trim Watch final design its sure newsmaker race course Full-size plane uses P-51 engine prop spinner Designed emulate brute fury its namesake fullsize unlimited racer will out take speed records propeller-driven aircraft 1/2A Control Line version present provides advance look lines yet-tobe-completed airplane EJohn Hunton down top surface blank halfway between front back Using knife coarse sandpaper block wood remove material flat between two lines Mark another line om along leading edge Run another line midway between previous line top leading edge Remove material between two lines sanding block finer sand paper round airfoil fine trailing edge well-rounded leading edge Left parts finish-sanded primed separately before final assembly Right After assembly re-prime apply color paint LeftThe TD 051 located floating mount preserve lines profile nose Right piece painted tape hides elevator horn October 1986 67 Full-Size Plans Available. See Page 172 U UNLIMITED CLASS 4CEI MOL 50 JO*4N MUNTO KCLESAJL5ON FOP MOTORTAN44-MOTOI MOUNT MOUNTIN MO/NTATTACH MOLES HOLESWlR/4roWINS/ epoe1 AS 3HOWN3/SmALSAFAIIN6 SOFT WIPE Q4PRFEC-T ENIN *TAIW /5 PLYWOOO PLATE H /5PLYwooo MAIN R I/ PLXWOOP PEAR 5PA 1/bPyWOOO LINE GIJIOE 4GaALEA ELEVATOr* 5TALIZ&- FEPECX PAINTEP-ON PAN76P-ON AIPINGCANOPTN ANO EXHALTT0WAO CVr5IE OP CIRCLE -OPTIONAL CUT OUT MAINOPTIONAL HI~H-PO IPN PAP5HO Ac MuSIC- WIRE PAIN1P BALANCe/ POINT /TRUE LENGTh // L&5140WN / OPTIONALMZOZ3458 / LG OOOWEI&HT GPTIONAL airfoil results book very low wing loading model flies works fine Use similar method horizontal vertical stabilizers Round off edges fuselage except wing panels fit Apply coat paint primer parts before assembled lightly sand primer dry Cut plywood parts -in plywood Assemble pieces model plywood main spar automatically aligns wings fuselage proper dihedral angle reinforces fuselage Cut out plywood landing gear mount Pre-fit parts make certain will end up flush wing White glue good assembly Mount tail surfaces being careful alignment rudder should mounted cause model turn outward circle keep lines tight concealed pushrod can made splitting fuselage along pushrod line hollowing half about deep gluing parts back together Continued page 161 68 Model Aviation 7e Vb W etail underside its one-piece gearwire Gear isweil back soitwill necessary hold up-elevator until model gets moving keep nosing over flight its very stable thoughalmost point making good candidate CL trainer C Oou moo no Hoo Exo IO Picft Ships Boats Cors 4Topues/ wcrnds Trdo Exhibitors CIaiIotto mechondiso mart 2500 E Independence IIij. Charlotte flO e THANKSGIVING WEEKEND flowembe 9 30 * meet Ou Special Ouest WORLD WAR H FIGHTER ACE Robert S Johnson 028 Victories0 5th FIGHTER GROUP Display Inlormatton contact CAROLINA HOBBY EXPO 3452 ODELL SCHOOL RQCONCORD NC 28025 704-786-8373 approximately half weight anything else have seen filler can used companys glue MM1 11 suggest try lightweight fillets general filling Racing aircraft manufacturers address Model Magic Inc PO Box 19784 St Paul MN 85119 Another product found worked excep tionally well frozen elevator hinges made Micro Research Inc PO Box 277 Danbury CT 06813 occasions have replace worn damaged elevator hinges planes found after repair hinges some residual epoxy Hot Stuff innards restricted movement applying drop two material hinge bind completely eliminated addition material does remain liquid after applied dries leaves fuel-proof deposit hinge allows permanent freedom movement material also excellent bellcrank mounting bolt bushings pushrods used control elevator fuel shutoff have considerable amount trouble items hardware binding up after have use product seems eliminate binding penetrates actually deposits thin permanent coating dramatically re duces friction might want try product have make field repair elevator Racer have also found inexpensive fiberglassfilled propeller Scale Racing requires very little deflashing filing GY-4 prop J&J Sales sold pairs approximately $455 certainly bargain Ive used couple ofthem Scale Racers found have excellent per formance copied 1985 Nats winner Weve also discovered inexpensive source replacement cells GloBee Fireplug starting battery After several years use recharging batteries have tendency completely lose charge have found excellent replacement battery stock Sears stores Sears has line battery-operated recharge able hand tools use several Ni-Cd cells power sourcecells will fit right Fireplug case will however have make slight adjustment cells plus minus probes before using Nats preparation have good authority several competitors additional cylinderhead clearance going required races years Nats seems air temperature Lake Charles LA way up late Julywhen Nats scheduled recent series test flights 950 days 70% relative humidity found engine performance certainly dropped glow plug failure became problem raising head another 006 able minimize problem think mandatory engines used extremely hot weather thor oughly broken firstand should also have bench-run under high-temperature conditions before being flown competition Doing will eliminate lot problems Nats site As always comments solicited photos too John C Ballard 10102 Kimblewick Dr Louisville KY 40223 Tsunami Hunton Continued page 68 model shown photographs finished Black Baron epoxy system primer Two coats ofprimerwith alight wet-sanding between coats will well Use flat paint basic finish coat After coat dries well trim can applied felt-tip markers apply finish coat gloss clear Install elevators wire joiner plastic hinges Install pushrod elevator horn install bellerank bolted through wing certain controls well-centered move freely Cut pieces plastic hinge material serve landing gear mounts Bend 1/i6 m gear wire shape attach wheels mount assembly model Install tail wheel model will track straight ahead Mount tank plywood plate soft wire bolt engine Hook up fuel line will best run needle valve top side prevent its being damaged case nose-over landing Drill blind holes fuselage insert epoxy holes using plywood plate guide epoxy mounting bolts After epoxy has cured run nuts onto bolts slip plywood engine plane install nuts hold down plate Balance model point shown plans Use modeling clay necessary achieve balance initial flights add approximately 1 oz modeling clay outboard wing tip can removed become experienced flier Continued page 162 L Basic Constracrion Begirrrrers 107 Mis 4995 2 Basic Flight Training Begiorrers 65 Me 44 95 3 World Model Aearion 90 Mm 44 95 4 Oshkosh Ooerviess 55Mm 3995 3995 S Anpiarre Farrrries 30 Mis 6 US Scale MastershO Mis 419 rfnrdsjn Action 75 Mis 4995 K 8 HedgeHoppioVoll45Min 4195 9 WhchWavisUp70Mor 4795 Ill Hedge Hoppin Vol 1141 Mn 41 95 Rental DepoSIt Retal Price TapeK KRental Durationr 7 Days After DeliveryK K Panent Check Ill dassi MO Visa MC Card # & K K Fop Date Phone C C 0 0 s Asailable hr} Phorre K K Shippinq 3 75 Fsrei4n Carrada Add 111% Total K K Others 15111 Res Add 7 Tas K Academy Aviation R & D PO Box 277 K Hazel Crest IL 60429 335-0776 K October 1 986161 3rd Pnnuol STPTIC SHOW & SWPP SHOP World famous kits Europe Large magnificent replicas over 4 feet long wit h beautiful walnut mahogany planking fittings details exquisitely cast bronza brass rare hardwoods Large scale plans step-bystep instructions materials included VHS Video tape cassette howto build also available Send 64-pg full-color catalog Only $100 MODEL EXPO INC Dept MA-lOes 23 Just Road Fairfield NJ 07007 Please send full color ship model catalog $100 enclosed Name Address Oity State_____________________ Zip Model Aviation Flying 6-3 prop recommended Use Dacron lines approx 25 30 ft long Wait reasonably calm day Use full power enginejust slightly rich side plane released want have full-up control initially keep nose up After sufficient speed built up however go neutral control let model take off itself let model climb too high go slow line tension will reduced lost will lose control Pay par ticular attention wind com ing let model climb wind until used Good luck model Watch full-size Tsunami will news FF Indoor/Tenny Continued page 69 Bat Sheet$5 12 fantastic issues however tong takes Tom Cashman 252t SW 23rd St Federal Way WA 98023 WMCPatter$3 per year Bultet Bob Statick 5066 NW Picadilty Cir Albany OR 97321 Thumb Print $3 six issues bimonth ty David Mills tO-D Pine Circle NEAtlanta GA 30305 Dope Bucket? contact Laron R Huddleston 3475 W 14400 5 Btuffdale UT 84065-5106 Okie Free Flight Flyer$5 eight issues Bill Baker 1902 Peter Pan St Norman OK 73072 Free Flight News? Ian Kaynes 7 Ashtey Rd Farnborough Hants Engtand GUt4 7EZ Read fascinating catalogs Ive read Model Research Laboratory Catalog Curt Stevens setta hi-tech sub stances dangerous use issues warning No under age 65 may purchase modeling materials written permission mother Modelers over 65 must have written permission doctor wife wifes doctor event modeler over 65 unmarried doctors wifes written permission may substituted permission nonexistent wife such cases wifes doctors permis sion shall required except such cases wish pay post-dated check555 other wordsyou could get hurtwith products dont carry insurance Hi-tech Indoor modelers havent seen catalog wilt fascinated range products available listing introduced report various materials rating cost density stiffness heat resistance tough ness impact resistance booklet almost must want learn use new materials Get own sending $1 Model Research Laboratories 25108 Mar guerite Pkwy B-160 Mission Viejo CA 92692 CDs note latest issue Thumb Print lists following Indoor season activity already defined Atlanta area Contest/flying sessions Forsyth County High School Cum ming GAOctober 5 November 9 December 14 1986 January 18 February 22 March 29 April 26 1987 March29 date billed 1987 Peach State Indoor Championships See address above Thermal Thumbers contact As usual will happy list scheduled activity can get word required lead time approximately three months want listing cant schedule far advance send contact man info possible time frame Easy B No-No months photos shows Easy B variable pitch prop flown 1982 Indoor World Champs Most will have seen August 1986 MA Indoor Contest Board has interpreted AMA Rules mean variable-pitch vaijable-diameter props acceptable Easy B models read notice closely also realize temporary ruling pending confirmation vote Indoor Contest Board fly Easy B should tell ICB member feel Note against interpretation express selves ICB would have reverse ruling agree ruling say offset might complain ICB cant make rules like knowing what want Props etc Yes promised talk about prop blocks covering time However limit photos can use single column prop block will describe built Stan Chilton can document basic technique caine Ill happy give credit traditional prop block carved single block difficult accurately somewhat inflexible want unusual pitch distribution Stans block starts rigid base longer finished prop will basic idea construct angular support creates proper blade angle rib station central fixture align shaft prop hook first photo prop-block series shows tip template center fixture mounted plywood base thread stretched between two establishes baseline prop shaft second photo shows blade station templates installed just touching string guide third photo shows two steps blade-angle template has painted black filler blocks balsa have glued place blocks carved level templates down black palnt finished block painted black give better visibility white balsa prop frames final photo shows finished block built covered blade drying place As recom mended previous column blade covered right block minimize stress its fragile structure Unfinished business Last time showed wide-blade Novice Pennyplane prop Jim Clem promised some performance figures prop/model combo has very consistent has set Category 26-ft ceiling Category 1131-ft ceiling records 811 902 respectively same setup flown US Indoor Championships took sixth 1039 67-ft ceiling Next time Ill have details prop blocks covering techniques Bud Tenny Box 545 Richardson TK 75080 responding advertisers mention read about Model Aviation
Edition: Model Aviation - 1986/10
Page Numbers: 66, 67, 68, 161, 162
BY THE TIME read article perhaps Tsunami will have taken air first leg journey will likely end Smithsonian Institutions Na tional Air Space Museum re markable racing aircraft has designed John Sandburg Minneapolis MN Bruce Roland Tsunami conceived capable doing things better other aircraft has done before I To superior Unlimited class closed-course racing Expectations will compete Reno 2 To better land speed record reciprocating-engine-powered aircraft record currently held Red Baron another project having participation Bruce Roland 3 To establish new seaplane speed record propeller-driven aircraft Italians have held record since 1938 4 To try absolute speed record prop-driven planes would turboprop version Although Tsunami bears superficial resemblance venerable P-5 1 Mus tang things same spinner 2400-hp Rolls Royce Merlin engine Otherwise new original design speed flying flushriveted compact finely-detailed thorough bred model its profile format engine simplest quickest way get new significant design built flying profile form sleek lines come through particularly flight model easy fly good beginner racing heritage seems require better usual attention detail some optional features shownsuch enclosed pushrod offset engine mount preserves lines spinner removable landing gear model can flown Construction Obtain full-size plan MA Plans Service will make easier lay out accurate profiles Select firm h-in sheet balsa wing fuselage /16 sheet balsa tail surfaces Cut balsa parts outline plans band saw available knife Shaping airfoil wing tedious chore begin Ill des cribe method doing may make job easier First mark wing blank left other right may surprised times two right wings made mistake Using ballpoint pen scribe line along trailing edge wing blank Vs up bottom Run another line 66 Model Aviation Top Artists rendition Tsunami racer Above authors daughter Carol poses model Hunton also archi tectof National CenterforAeromodeling final paint scheme has decided Tsunami Whats shown could representative aqua off white deep aqua trim Watch final design its sure newsmaker race course Full-size plane uses P-51 engine prop spinner Designed emulate brute fury its namesake fullsize unlimited racer will out take speed records propeller-driven aircraft 1/2A Control Line version present provides advance look lines yet-tobe-completed airplane EJohn Hunton down top surface blank halfway between front back Using knife coarse sandpaper block wood remove material flat between two lines Mark another line om along leading edge Run another line midway between previous line top leading edge Remove material between two lines sanding block finer sand paper round airfoil fine trailing edge well-rounded leading edge Left parts finish-sanded primed separately before final assembly Right After assembly re-prime apply color paint LeftThe TD 051 located floating mount preserve lines profile nose Right piece painted tape hides elevator horn October 1986 67 Full-Size Plans Available. See Page 172 U UNLIMITED CLASS 4CEI MOL 50 JO*4N MUNTO KCLESAJL5ON FOP MOTORTAN44-MOTOI MOUNT MOUNTIN MO/NTATTACH MOLES HOLESWlR/4roWINS/ epoe1 AS 3HOWN3/SmALSAFAIIN6 SOFT WIPE Q4PRFEC-T ENIN *TAIW /5 PLYWOOO PLATE H /5PLYwooo MAIN R I/ PLXWOOP PEAR 5PA 1/bPyWOOO LINE GIJIOE 4GaALEA ELEVATOr* 5TALIZ&- FEPECX PAINTEP-ON PAN76P-ON AIPINGCANOPTN ANO EXHALTT0WAO CVr5IE OP CIRCLE -OPTIONAL CUT OUT MAINOPTIONAL HI~H-PO IPN PAP5HO Ac MuSIC- WIRE PAIN1P BALANCe/ POINT /TRUE LENGTh // L&5140WN / OPTIONALMZOZ3458 / LG OOOWEI&HT GPTIONAL airfoil results book very low wing loading model flies works fine Use similar method horizontal vertical stabilizers Round off edges fuselage except wing panels fit Apply coat paint primer parts before assembled lightly sand primer dry Cut plywood parts -in plywood Assemble pieces model plywood main spar automatically aligns wings fuselage proper dihedral angle reinforces fuselage Cut out plywood landing gear mount Pre-fit parts make certain will end up flush wing White glue good assembly Mount tail surfaces being careful alignment rudder should mounted cause model turn outward circle keep lines tight concealed pushrod can made splitting fuselage along pushrod line hollowing half about deep gluing parts back together Continued page 161 68 Model Aviation 7e Vb W etail underside its one-piece gearwire Gear isweil back soitwill necessary hold up-elevator until model gets moving keep nosing over flight its very stable thoughalmost point making good candidate CL trainer C Oou moo no Hoo Exo IO Picft Ships Boats Cors 4Topues/ wcrnds Trdo Exhibitors CIaiIotto mechondiso mart 2500 E Independence IIij. Charlotte flO e THANKSGIVING WEEKEND flowembe 9 30 * meet Ou Special Ouest WORLD WAR H FIGHTER ACE Robert S Johnson 028 Victories0 5th FIGHTER GROUP Display Inlormatton contact CAROLINA HOBBY EXPO 3452 ODELL SCHOOL RQCONCORD NC 28025 704-786-8373 approximately half weight anything else have seen filler can used companys glue MM1 11 suggest try lightweight fillets general filling Racing aircraft manufacturers address Model Magic Inc PO Box 19784 St Paul MN 85119 Another product found worked excep tionally well frozen elevator hinges made Micro Research Inc PO Box 277 Danbury CT 06813 occasions have replace worn damaged elevator hinges planes found after repair hinges some residual epoxy Hot Stuff innards restricted movement applying drop two material hinge bind completely eliminated addition material does remain liquid after applied dries leaves fuel-proof deposit hinge allows permanent freedom movement material also excellent bellcrank mounting bolt bushings pushrods used control elevator fuel shutoff have considerable amount trouble items hardware binding up after have use product seems eliminate binding penetrates actually deposits thin permanent coating dramatically re duces friction might want try product have make field repair elevator Racer have also found inexpensive fiberglassfilled propeller Scale Racing requires very little deflashing filing GY-4 prop J&J Sales sold pairs approximately $455 certainly bargain Ive used couple ofthem Scale Racers found have excellent per formance copied 1985 Nats winner Weve also discovered inexpensive source replacement cells GloBee Fireplug starting battery After several years use recharging batteries have tendency completely lose charge have found excellent replacement battery stock Sears stores Sears has line battery-operated recharge able hand tools use several Ni-Cd cells power sourcecells will fit right Fireplug case will however have make slight adjustment cells plus minus probes before using Nats preparation have good authority several competitors additional cylinderhead clearance going required races years Nats seems air temperature Lake Charles LA way up late Julywhen Nats scheduled recent series test flights 950 days 70% relative humidity found engine performance certainly dropped glow plug failure became problem raising head another 006 able minimize problem think mandatory engines used extremely hot weather thor oughly broken firstand should also have bench-run under high-temperature conditions before being flown competition Doing will eliminate lot problems Nats site As always comments solicited photos too John C Ballard 10102 Kimblewick Dr Louisville KY 40223 Tsunami Hunton Continued page 68 model shown photographs finished Black Baron epoxy system primer Two coats ofprimerwith alight wet-sanding between coats will well Use flat paint basic finish coat After coat dries well trim can applied felt-tip markers apply finish coat gloss clear Install elevators wire joiner plastic hinges Install pushrod elevator horn install bellerank bolted through wing certain controls well-centered move freely Cut pieces plastic hinge material serve landing gear mounts Bend 1/i6 m gear wire shape attach wheels mount assembly model Install tail wheel model will track straight ahead Mount tank plywood plate soft wire bolt engine Hook up fuel line will best run needle valve top side prevent its being damaged case nose-over landing Drill blind holes fuselage insert epoxy holes using plywood plate guide epoxy mounting bolts After epoxy has cured run nuts onto bolts slip plywood engine plane install nuts hold down plate Balance model point shown plans Use modeling clay necessary achieve balance initial flights add approximately 1 oz modeling clay outboard wing tip can removed become experienced flier Continued page 162 L Basic Constracrion Begirrrrers 107 Mis 4995 2 Basic Flight Training Begiorrers 65 Me 44 95 3 World Model Aearion 90 Mm 44 95 4 Oshkosh Ooerviess 55Mm 3995 3995 S Anpiarre Farrrries 30 Mis 6 US Scale MastershO Mis 419 rfnrdsjn Action 75 Mis 4995 K 8 HedgeHoppioVoll45Min 4195 9 WhchWavisUp70Mor 4795 Ill Hedge Hoppin Vol 1141 Mn 41 95 Rental DepoSIt Retal Price TapeK KRental Durationr 7 Days After DeliveryK K Panent Check Ill dassi MO Visa MC Card # & K K Fop Date Phone C C 0 0 s Asailable hr} Phorre K K Shippinq 3 75 Fsrei4n Carrada Add 111% Total K K Others 15111 Res Add 7 Tas K Academy Aviation R & D PO Box 277 K Hazel Crest IL 60429 335-0776 K October 1 986161 3rd Pnnuol STPTIC SHOW & SWPP SHOP World famous kits Europe Large magnificent replicas over 4 feet long wit h beautiful walnut mahogany planking fittings details exquisitely cast bronza brass rare hardwoods Large scale plans step-bystep instructions materials included VHS Video tape cassette howto build also available Send 64-pg full-color catalog Only $100 MODEL EXPO INC Dept MA-lOes 23 Just Road Fairfield NJ 07007 Please send full color ship model catalog $100 enclosed Name Address Oity State_____________________ Zip Model Aviation Flying 6-3 prop recommended Use Dacron lines approx 25 30 ft long Wait reasonably calm day Use full power enginejust slightly rich side plane released want have full-up control initially keep nose up After sufficient speed built up however go neutral control let model take off itself let model climb too high go slow line tension will reduced lost will lose control Pay par ticular attention wind com ing let model climb wind until used Good luck model Watch full-size Tsunami will news FF Indoor/Tenny Continued page 69 Bat Sheet$5 12 fantastic issues however tong takes Tom Cashman 252t SW 23rd St Federal Way WA 98023 WMCPatter$3 per year Bultet Bob Statick 5066 NW Picadilty Cir Albany OR 97321 Thumb Print $3 six issues bimonth ty David Mills tO-D Pine Circle NEAtlanta GA 30305 Dope Bucket? contact Laron R Huddleston 3475 W 14400 5 Btuffdale UT 84065-5106 Okie Free Flight Flyer$5 eight issues Bill Baker 1902 Peter Pan St Norman OK 73072 Free Flight News? Ian Kaynes 7 Ashtey Rd Farnborough Hants Engtand GUt4 7EZ Read fascinating catalogs Ive read Model Research Laboratory Catalog Curt Stevens setta hi-tech sub stances dangerous use issues warning No under age 65 may purchase modeling materials written permission mother Modelers over 65 must have written permission doctor wife wifes doctor event modeler over 65 unmarried doctors wifes written permission may substituted permission nonexistent wife such cases wifes doctors permis sion shall required except such cases wish pay post-dated check555 other wordsyou could get hurtwith products dont carry insurance Hi-tech Indoor modelers havent seen catalog wilt fascinated range products available listing introduced report various materials rating cost density stiffness heat resistance tough ness impact resistance booklet almost must want learn use new materials Get own sending $1 Model Research Laboratories 25108 Mar guerite Pkwy B-160 Mission Viejo CA 92692 CDs note latest issue Thumb Print lists following Indoor season activity already defined Atlanta area Contest/flying sessions Forsyth County High School Cum ming GAOctober 5 November 9 December 14 1986 January 18 February 22 March 29 April 26 1987 March29 date billed 1987 Peach State Indoor Championships See address above Thermal Thumbers contact As usual will happy list scheduled activity can get word required lead time approximately three months want listing cant schedule far advance send contact man info possible time frame Easy B No-No months photos shows Easy B variable pitch prop flown 1982 Indoor World Champs Most will have seen August 1986 MA Indoor Contest Board has interpreted AMA Rules mean variable-pitch vaijable-diameter props acceptable Easy B models read notice closely also realize temporary ruling pending confirmation vote Indoor Contest Board fly Easy B should tell ICB member feel Note against interpretation express selves ICB would have reverse ruling agree ruling say offset might complain ICB cant make rules like knowing what want Props etc Yes promised talk about prop blocks covering time However limit photos can use single column prop block will describe built Stan Chilton can document basic technique caine Ill happy give credit traditional prop block carved single block difficult accurately somewhat inflexible want unusual pitch distribution Stans block starts rigid base longer finished prop will basic idea construct angular support creates proper blade angle rib station central fixture align shaft prop hook first photo prop-block series shows tip template center fixture mounted plywood base thread stretched between two establishes baseline prop shaft second photo shows blade station templates installed just touching string guide third photo shows two steps blade-angle template has painted black filler blocks balsa have glued place blocks carved level templates down black palnt finished block painted black give better visibility white balsa prop frames final photo shows finished block built covered blade drying place As recom mended previous column blade covered right block minimize stress its fragile structure Unfinished business Last time showed wide-blade Novice Pennyplane prop Jim Clem promised some performance figures prop/model combo has very consistent has set Category 26-ft ceiling Category 1131-ft ceiling records 811 902 respectively same setup flown US Indoor Championships took sixth 1039 67-ft ceiling Next time Ill have details prop blocks covering techniques Bud Tenny Box 545 Richardson TK 75080 responding advertisers mention read about Model Aviation
Edition: Model Aviation - 1986/10
Page Numbers: 66, 67, 68, 161, 162
BY THE TIME read article perhaps Tsunami will have taken air first leg journey will likely end Smithsonian Institutions Na tional Air Space Museum re markable racing aircraft has designed John Sandburg Minneapolis MN Bruce Roland Tsunami conceived capable doing things better other aircraft has done before I To superior Unlimited class closed-course racing Expectations will compete Reno 2 To better land speed record reciprocating-engine-powered aircraft record currently held Red Baron another project having participation Bruce Roland 3 To establish new seaplane speed record propeller-driven aircraft Italians have held record since 1938 4 To try absolute speed record prop-driven planes would turboprop version Although Tsunami bears superficial resemblance venerable P-5 1 Mus tang things same spinner 2400-hp Rolls Royce Merlin engine Otherwise new original design speed flying flushriveted compact finely-detailed thorough bred model its profile format engine simplest quickest way get new significant design built flying profile form sleek lines come through particularly flight model easy fly good beginner racing heritage seems require better usual attention detail some optional features shownsuch enclosed pushrod offset engine mount preserves lines spinner removable landing gear model can flown Construction Obtain full-size plan MA Plans Service will make easier lay out accurate profiles Select firm h-in sheet balsa wing fuselage /16 sheet balsa tail surfaces Cut balsa parts outline plans band saw available knife Shaping airfoil wing tedious chore begin Ill des cribe method doing may make job easier First mark wing blank left other right may surprised times two right wings made mistake Using ballpoint pen scribe line along trailing edge wing blank Vs up bottom Run another line 66 Model Aviation Top Artists rendition Tsunami racer Above authors daughter Carol poses model Hunton also archi tectof National CenterforAeromodeling final paint scheme has decided Tsunami Whats shown could representative aqua off white deep aqua trim Watch final design its sure newsmaker race course Full-size plane uses P-51 engine prop spinner Designed emulate brute fury its namesake fullsize unlimited racer will out take speed records propeller-driven aircraft 1/2A Control Line version present provides advance look lines yet-tobe-completed airplane EJohn Hunton down top surface blank halfway between front back Using knife coarse sandpaper block wood remove material flat between two lines Mark another line om along leading edge Run another line midway between previous line top leading edge Remove material between two lines sanding block finer sand paper round airfoil fine trailing edge well-rounded leading edge Left parts finish-sanded primed separately before final assembly Right After assembly re-prime apply color paint LeftThe TD 051 located floating mount preserve lines profile nose Right piece painted tape hides elevator horn October 1986 67 Full-Size Plans Available. See Page 172 U UNLIMITED CLASS 4CEI MOL 50 JO*4N MUNTO KCLESAJL5ON FOP MOTORTAN44-MOTOI MOUNT MOUNTIN MO/NTATTACH MOLES HOLESWlR/4roWINS/ epoe1 AS 3HOWN3/SmALSAFAIIN6 SOFT WIPE Q4PRFEC-T ENIN *TAIW /5 PLYWOOO PLATE H /5PLYwooo MAIN R I/ PLXWOOP PEAR 5PA 1/bPyWOOO LINE GIJIOE 4GaALEA ELEVATOr* 5TALIZ&- FEPECX PAINTEP-ON PAN76P-ON AIPINGCANOPTN ANO EXHALTT0WAO CVr5IE OP CIRCLE -OPTIONAL CUT OUT MAINOPTIONAL HI~H-PO IPN PAP5HO Ac MuSIC- WIRE PAIN1P BALANCe/ POINT /TRUE LENGTh // L&5140WN / OPTIONALMZOZ3458 / LG OOOWEI&HT GPTIONAL airfoil results book very low wing loading model flies works fine Use similar method horizontal vertical stabilizers Round off edges fuselage except wing panels fit Apply coat paint primer parts before assembled lightly sand primer dry Cut plywood parts -in plywood Assemble pieces model plywood main spar automatically aligns wings fuselage proper dihedral angle reinforces fuselage Cut out plywood landing gear mount Pre-fit parts make certain will end up flush wing White glue good assembly Mount tail surfaces being careful alignment rudder should mounted cause model turn outward circle keep lines tight concealed pushrod can made splitting fuselage along pushrod line hollowing half about deep gluing parts back together Continued page 161 68 Model Aviation 7e Vb W etail underside its one-piece gearwire Gear isweil back soitwill necessary hold up-elevator until model gets moving keep nosing over flight its very stable thoughalmost point making good candidate CL trainer C Oou moo no Hoo Exo IO Picft Ships Boats Cors 4Topues/ wcrnds Trdo Exhibitors CIaiIotto mechondiso mart 2500 E Independence IIij. Charlotte flO e THANKSGIVING WEEKEND flowembe 9 30 * meet Ou Special Ouest WORLD WAR H FIGHTER ACE Robert S Johnson 028 Victories0 5th FIGHTER GROUP Display Inlormatton contact CAROLINA HOBBY EXPO 3452 ODELL SCHOOL RQCONCORD NC 28025 704-786-8373 approximately half weight anything else have seen filler can used companys glue MM1 11 suggest try lightweight fillets general filling Racing aircraft manufacturers address Model Magic Inc PO Box 19784 St Paul MN 85119 Another product found worked excep tionally well frozen elevator hinges made Micro Research Inc PO Box 277 Danbury CT 06813 occasions have replace worn damaged elevator hinges planes found after repair hinges some residual epoxy Hot Stuff innards restricted movement applying drop two material hinge bind completely eliminated addition material does remain liquid after applied dries leaves fuel-proof deposit hinge allows permanent freedom movement material also excellent bellcrank mounting bolt bushings pushrods used control elevator fuel shutoff have considerable amount trouble items hardware binding up after have use product seems eliminate binding penetrates actually deposits thin permanent coating dramatically re duces friction might want try product have make field repair elevator Racer have also found inexpensive fiberglassfilled propeller Scale Racing requires very little deflashing filing GY-4 prop J&J Sales sold pairs approximately $455 certainly bargain Ive used couple ofthem Scale Racers found have excellent per formance copied 1985 Nats winner Weve also discovered inexpensive source replacement cells GloBee Fireplug starting battery After several years use recharging batteries have tendency completely lose charge have found excellent replacement battery stock Sears stores Sears has line battery-operated recharge able hand tools use several Ni-Cd cells power sourcecells will fit right Fireplug case will however have make slight adjustment cells plus minus probes before using Nats preparation have good authority several competitors additional cylinderhead clearance going required races years Nats seems air temperature Lake Charles LA way up late Julywhen Nats scheduled recent series test flights 950 days 70% relative humidity found engine performance certainly dropped glow plug failure became problem raising head another 006 able minimize problem think mandatory engines used extremely hot weather thor oughly broken firstand should also have bench-run under high-temperature conditions before being flown competition Doing will eliminate lot problems Nats site As always comments solicited photos too John C Ballard 10102 Kimblewick Dr Louisville KY 40223 Tsunami Hunton Continued page 68 model shown photographs finished Black Baron epoxy system primer Two coats ofprimerwith alight wet-sanding between coats will well Use flat paint basic finish coat After coat dries well trim can applied felt-tip markers apply finish coat gloss clear Install elevators wire joiner plastic hinges Install pushrod elevator horn install bellerank bolted through wing certain controls well-centered move freely Cut pieces plastic hinge material serve landing gear mounts Bend 1/i6 m gear wire shape attach wheels mount assembly model Install tail wheel model will track straight ahead Mount tank plywood plate soft wire bolt engine Hook up fuel line will best run needle valve top side prevent its being damaged case nose-over landing Drill blind holes fuselage insert epoxy holes using plywood plate guide epoxy mounting bolts After epoxy has cured run nuts onto bolts slip plywood engine plane install nuts hold down plate Balance model point shown plans Use modeling clay necessary achieve balance initial flights add approximately 1 oz modeling clay outboard wing tip can removed become experienced flier Continued page 162 L Basic Constracrion Begirrrrers 107 Mis 4995 2 Basic Flight Training Begiorrers 65 Me 44 95 3 World Model Aearion 90 Mm 44 95 4 Oshkosh Ooerviess 55Mm 3995 3995 S Anpiarre Farrrries 30 Mis 6 US Scale MastershO Mis 419 rfnrdsjn Action 75 Mis 4995 K 8 HedgeHoppioVoll45Min 4195 9 WhchWavisUp70Mor 4795 Ill Hedge Hoppin Vol 1141 Mn 41 95 Rental DepoSIt Retal Price TapeK KRental Durationr 7 Days After DeliveryK K Panent Check Ill dassi MO Visa MC Card # & K K Fop Date Phone C C 0 0 s Asailable hr} Phorre K K Shippinq 3 75 Fsrei4n Carrada Add 111% Total K K Others 15111 Res Add 7 Tas K Academy Aviation R & D PO Box 277 K Hazel Crest IL 60429 335-0776 K October 1 986161 3rd Pnnuol STPTIC SHOW & SWPP SHOP World famous kits Europe Large magnificent replicas over 4 feet long wit h beautiful walnut mahogany planking fittings details exquisitely cast bronza brass rare hardwoods Large scale plans step-bystep instructions materials included VHS Video tape cassette howto build also available Send 64-pg full-color catalog Only $100 MODEL EXPO INC Dept MA-lOes 23 Just Road Fairfield NJ 07007 Please send full color ship model catalog $100 enclosed Name Address Oity State_____________________ Zip Model Aviation Flying 6-3 prop recommended Use Dacron lines approx 25 30 ft long Wait reasonably calm day Use full power enginejust slightly rich side plane released want have full-up control initially keep nose up After sufficient speed built up however go neutral control let model take off itself let model climb too high go slow line tension will reduced lost will lose control Pay par ticular attention wind com ing let model climb wind until used Good luck model Watch full-size Tsunami will news FF Indoor/Tenny Continued page 69 Bat Sheet$5 12 fantastic issues however tong takes Tom Cashman 252t SW 23rd St Federal Way WA 98023 WMCPatter$3 per year Bultet Bob Statick 5066 NW Picadilty Cir Albany OR 97321 Thumb Print $3 six issues bimonth ty David Mills tO-D Pine Circle NEAtlanta GA 30305 Dope Bucket? contact Laron R Huddleston 3475 W 14400 5 Btuffdale UT 84065-5106 Okie Free Flight Flyer$5 eight issues Bill Baker 1902 Peter Pan St Norman OK 73072 Free Flight News? Ian Kaynes 7 Ashtey Rd Farnborough Hants Engtand GUt4 7EZ Read fascinating catalogs Ive read Model Research Laboratory Catalog Curt Stevens setta hi-tech sub stances dangerous use issues warning No under age 65 may purchase modeling materials written permission mother Modelers over 65 must have written permission doctor wife wifes doctor event modeler over 65 unmarried doctors wifes written permission may substituted permission nonexistent wife such cases wifes doctors permis sion shall required except such cases wish pay post-dated check555 other wordsyou could get hurtwith products dont carry insurance Hi-tech Indoor modelers havent seen catalog wilt fascinated range products available listing introduced report various materials rating cost density stiffness heat resistance tough ness impact resistance booklet almost must want learn use new materials Get own sending $1 Model Research Laboratories 25108 Mar guerite Pkwy B-160 Mission Viejo CA 92692 CDs note latest issue Thumb Print lists following Indoor season activity already defined Atlanta area Contest/flying sessions Forsyth County High School Cum ming GAOctober 5 November 9 December 14 1986 January 18 February 22 March 29 April 26 1987 March29 date billed 1987 Peach State Indoor Championships See address above Thermal Thumbers contact As usual will happy list scheduled activity can get word required lead time approximately three months want listing cant schedule far advance send contact man info possible time frame Easy B No-No months photos shows Easy B variable pitch prop flown 1982 Indoor World Champs Most will have seen August 1986 MA Indoor Contest Board has interpreted AMA Rules mean variable-pitch vaijable-diameter props acceptable Easy B models read notice closely also realize temporary ruling pending confirmation vote Indoor Contest Board fly Easy B should tell ICB member feel Note against interpretation express selves ICB would have reverse ruling agree ruling say offset might complain ICB cant make rules like knowing what want Props etc Yes promised talk about prop blocks covering time However limit photos can use single column prop block will describe built Stan Chilton can document basic technique caine Ill happy give credit traditional prop block carved single block difficult accurately somewhat inflexible want unusual pitch distribution Stans block starts rigid base longer finished prop will basic idea construct angular support creates proper blade angle rib station central fixture align shaft prop hook first photo prop-block series shows tip template center fixture mounted plywood base thread stretched between two establishes baseline prop shaft second photo shows blade station templates installed just touching string guide third photo shows two steps blade-angle template has painted black filler blocks balsa have glued place blocks carved level templates down black palnt finished block painted black give better visibility white balsa prop frames final photo shows finished block built covered blade drying place As recom mended previous column blade covered right block minimize stress its fragile structure Unfinished business Last time showed wide-blade Novice Pennyplane prop Jim Clem promised some performance figures prop/model combo has very consistent has set Category 26-ft ceiling Category 1131-ft ceiling records 811 902 respectively same setup flown US Indoor Championships took sixth 1039 67-ft ceiling Next time Ill have details prop blocks covering techniques Bud Tenny Box 545 Richardson TK 75080 responding advertisers mention read about Model Aviation