PYLON Racing exciting competitive events model aviation both competitor spectator nothing exciting good race Pylon racing form can lot fun As new pylon racing editor hope share some past experi ences racing tips will try keep up-to-date contest scene going fast lot readers have some neat ideas helpful hints have run across have come up share Send ideas hints suggestions will pass along Pylon racing has come long way last 14 years pylon racers owe organization called NIvLPRA National Miniature Pylon Racing Assoc organization works directly AMA making rules safety require ments pylon racing organization started 1965 still going strong pylon racer no matter serious is beginner someone just thinking about racing good organization belong dues $1300 per year Send dues am 1979 President NMPRA Pylon racing very competitive Lets look fastest event Formula lot people think Formula racer difficult plane fly Most Fls sold today fly better faster sport planes planes have bad stalling tendencies very maneuverable have seen used sport planes new flier may want start out Formula kinds racing Quickie Club Sport 500 Quarter Midget Sport Pylon Formula also move afoot get FAI pylon racing going again Perhaps new racer would want start out 500 event has become very popular throughout coun try 500 racer can built just few evenings planes use 40 power 500 great sport plane dont have hang up between races several 500 Club Sport kits out has check ads word caution Certain areas have different rules check out before buy anything event seems popular everything kept stock some examples various clubs through out US use Ohio allow Spickler 500 kit supply 15% nitro fuel planes must weigh minimum Wi pounds have stock K&B 40 engine use stock muffler Also use 2 diameter wheels stock props some big races planes engines checked idea keep rules simple easy enforce rules what use around work very well Some areas allow use Club Sport 500 kit modified engines props As said before check people area plan race Continued page 106 May1979 31 Safety very important workers well protected No 1 pylon yassnere situ room icr improvementbut Bill doesnt say what caption information Rabbit foot Quickie 500 race about start L Rob Hager Foster Goshom big John Kiisdonk minutes Exhaust hardly audible SAM Champs Lyn Haslam says Saltair Modelport outside Salt Lake City Utah much improved site after last years New Jersey Pine Barrens Dates July 24 25 26 week before Lincoln Nats dates coincide Mormon Pioneer Days festivities Salt Lake Clarence Haught will have details next months Model Aviation Dee B Mathews 506 S Walnu4 Greensburg KS 67054 RC Pylon/Hager continued page 31 some tips 500 racing might helpful As racings events get out what put want win must put out extra effort Build plane light racing air- plane must well built dont skimp Spend little time checking wood kit light weight Replace seems heavy side important use proper amount glue Glue running down inside plane adds extra weight weight plane very important dont use too much glue try make well-built plane little extra effort time building will benefit end crooked plane will disad vantage start use iron-on covering make sure edges down use super MonoKote seal control surfaces hinge line sealed will create less drag control surfaces will much effective Next time contest take look some faster guys planes will find well built planes takes lot practice fly good course neat thing about 500 going use plane sport plane time fly can practice session future issues will discuss other types racing Next month will go safety something need get involved no matter what fly column reader Any comments things would like read about please let know can send mail directly Bill Hager 5200 Rye Drive Dayton OH 45424 Peliban/Headley continued page 34 aligned correct dihedral angle angle found putting wood block 2 high under tip free wing panel Epoxy spars together center section satisfactory joint has made make epoxy place 1/16 ply wingjoiners WI W2 Addthe remaining center section ribs will need little trimming before can glued place wing tips made t balsa last items installed upper wing After have attached wing sanded its final contour prepared covering Lower Wing constructed single piece exactly same way top wing Pin down onto building board leading trailing edge pieces also lower main spar hard 1/16 sheet cut out ten lower wing ribs glue place Cement upper 3/16 sq top main spar ribs before cut wing two pieces center line rejoin using 1/16 ply wing joiners W3 4 Add t wing tips sand wing airfoil shape shown plans Construction lower wing will resume after wing has glued onto fuselage Tall plane begins assembly outline composed strips 3/16 X balsa Pin down onto plan make tail plane tips scraps 3/16 sheet glue place four required ribs 3/16 sq Center section tail plane reinforced two pieces 3/16 sheet gap between provided fin attached during assembly single-channel version tail plane completed adding two pieces softish 3/16 sheet represent elevators Glueinplacethenthindowntoabout 1/16 trailing edge elevator two-channel version cut slightly harder 3/16 sheet good way making two-piece elevators first make single full-length strip initially notched center 3/16 dowel joiner Epoxy dowel place after can cut out V-shaped notch center elevator chamfered about 1/16 thick trailing edge Sand its leading edge full radius have sanding block hand full radius put tail plane outline Fin Rudder fin constructed similar way tail plane An outline 3/16 sheet made single 3/16 sq rib added Since fin extends tail plane leave enough material make key piece Sand full radius outside edges except bottom strip rudder thickness depends system youre going use single channel rudder cut piece sheet rounded along edges two-channel use 3/16 sheet chamfer similar manner elevator Assembly first items concern fuselage lower wing Cut slots fuselage wing leading edge main spar trailing edge rests bottom body check two items correctly aligned before ce menting wing place Attach tail plane making sure alignment OK both top front views before gluing Cement fin slot provided use two-legged undercarriage now installed wiire legs attached two ood plates J bolts plates being notched fuselage sides Check alignment before finally tight ening bolts epoxy nuts place Close bottom fuselage 1/16 sheet grain running crosswise Follow lower fuselage frames add two 3/16 sq stringers Make two additional lower wing ribs t trimmed fit wing root section glue place wing fuselage side resulting small wing bay covered 1/32 sheet top 106 Model Aviation 4 Kraftsmanship kit processed AAMCO GOLD BALSAThis Trainer will blow apart hits ground GREATEST B/C BASIC TBAINEB Design & Kit ALL TIME Ask over 25000 satisfied builders H-BAY dealers sold themSHALL WE SAY MORE Asdresvs Aircraft Model Co Inc US Rte 1& North St Topsijeld Mass 01983 887-8541 Support AMA Price $3995 kit per doflar bar em all
Edition: Model Aviation - 1979/05
Page Numbers: 31, 106
PYLON Racing exciting competitive events model aviation both competitor spectator nothing exciting good race Pylon racing form can lot fun As new pylon racing editor hope share some past experi ences racing tips will try keep up-to-date contest scene going fast lot readers have some neat ideas helpful hints have run across have come up share Send ideas hints suggestions will pass along Pylon racing has come long way last 14 years pylon racers owe organization called NIvLPRA National Miniature Pylon Racing Assoc organization works directly AMA making rules safety require ments pylon racing organization started 1965 still going strong pylon racer no matter serious is beginner someone just thinking about racing good organization belong dues $1300 per year Send dues am 1979 President NMPRA Pylon racing very competitive Lets look fastest event Formula lot people think Formula racer difficult plane fly Most Fls sold today fly better faster sport planes planes have bad stalling tendencies very maneuverable have seen used sport planes new flier may want start out Formula kinds racing Quickie Club Sport 500 Quarter Midget Sport Pylon Formula also move afoot get FAI pylon racing going again Perhaps new racer would want start out 500 event has become very popular throughout coun try 500 racer can built just few evenings planes use 40 power 500 great sport plane dont have hang up between races several 500 Club Sport kits out has check ads word caution Certain areas have different rules check out before buy anything event seems popular everything kept stock some examples various clubs through out US use Ohio allow Spickler 500 kit supply 15% nitro fuel planes must weigh minimum Wi pounds have stock K&B 40 engine use stock muffler Also use 2 diameter wheels stock props some big races planes engines checked idea keep rules simple easy enforce rules what use around work very well Some areas allow use Club Sport 500 kit modified engines props As said before check people area plan race Continued page 106 May1979 31 Safety very important workers well protected No 1 pylon yassnere situ room icr improvementbut Bill doesnt say what caption information Rabbit foot Quickie 500 race about start L Rob Hager Foster Goshom big John Kiisdonk minutes Exhaust hardly audible SAM Champs Lyn Haslam says Saltair Modelport outside Salt Lake City Utah much improved site after last years New Jersey Pine Barrens Dates July 24 25 26 week before Lincoln Nats dates coincide Mormon Pioneer Days festivities Salt Lake Clarence Haught will have details next months Model Aviation Dee B Mathews 506 S Walnu4 Greensburg KS 67054 RC Pylon/Hager continued page 31 some tips 500 racing might helpful As racings events get out what put want win must put out extra effort Build plane light racing air- plane must well built dont skimp Spend little time checking wood kit light weight Replace seems heavy side important use proper amount glue Glue running down inside plane adds extra weight weight plane very important dont use too much glue try make well-built plane little extra effort time building will benefit end crooked plane will disad vantage start use iron-on covering make sure edges down use super MonoKote seal control surfaces hinge line sealed will create less drag control surfaces will much effective Next time contest take look some faster guys planes will find well built planes takes lot practice fly good course neat thing about 500 going use plane sport plane time fly can practice session future issues will discuss other types racing Next month will go safety something need get involved no matter what fly column reader Any comments things would like read about please let know can send mail directly Bill Hager 5200 Rye Drive Dayton OH 45424 Peliban/Headley continued page 34 aligned correct dihedral angle angle found putting wood block 2 high under tip free wing panel Epoxy spars together center section satisfactory joint has made make epoxy place 1/16 ply wingjoiners WI W2 Addthe remaining center section ribs will need little trimming before can glued place wing tips made t balsa last items installed upper wing After have attached wing sanded its final contour prepared covering Lower Wing constructed single piece exactly same way top wing Pin down onto building board leading trailing edge pieces also lower main spar hard 1/16 sheet cut out ten lower wing ribs glue place Cement upper 3/16 sq top main spar ribs before cut wing two pieces center line rejoin using 1/16 ply wing joiners W3 4 Add t wing tips sand wing airfoil shape shown plans Construction lower wing will resume after wing has glued onto fuselage Tall plane begins assembly outline composed strips 3/16 X balsa Pin down onto plan make tail plane tips scraps 3/16 sheet glue place four required ribs 3/16 sq Center section tail plane reinforced two pieces 3/16 sheet gap between provided fin attached during assembly single-channel version tail plane completed adding two pieces softish 3/16 sheet represent elevators Glueinplacethenthindowntoabout 1/16 trailing edge elevator two-channel version cut slightly harder 3/16 sheet good way making two-piece elevators first make single full-length strip initially notched center 3/16 dowel joiner Epoxy dowel place after can cut out V-shaped notch center elevator chamfered about 1/16 thick trailing edge Sand its leading edge full radius have sanding block hand full radius put tail plane outline Fin Rudder fin constructed similar way tail plane An outline 3/16 sheet made single 3/16 sq rib added Since fin extends tail plane leave enough material make key piece Sand full radius outside edges except bottom strip rudder thickness depends system youre going use single channel rudder cut piece sheet rounded along edges two-channel use 3/16 sheet chamfer similar manner elevator Assembly first items concern fuselage lower wing Cut slots fuselage wing leading edge main spar trailing edge rests bottom body check two items correctly aligned before ce menting wing place Attach tail plane making sure alignment OK both top front views before gluing Cement fin slot provided use two-legged undercarriage now installed wiire legs attached two ood plates J bolts plates being notched fuselage sides Check alignment before finally tight ening bolts epoxy nuts place Close bottom fuselage 1/16 sheet grain running crosswise Follow lower fuselage frames add two 3/16 sq stringers Make two additional lower wing ribs t trimmed fit wing root section glue place wing fuselage side resulting small wing bay covered 1/32 sheet top 106 Model Aviation 4 Kraftsmanship kit processed AAMCO GOLD BALSAThis Trainer will blow apart hits ground GREATEST B/C BASIC TBAINEB Design & Kit ALL TIME Ask over 25000 satisfied builders H-BAY dealers sold themSHALL WE SAY MORE Asdresvs Aircraft Model Co Inc US Rte 1& North St Topsijeld Mass 01983 887-8541 Support AMA Price $3995 kit per doflar bar em all