1989 Gene Hempel HERES HOW build suction fuel tank new Speed model information sub mitted Nick Sher present AMA recordholder B Speed Open 21823 mph lam very appreciative help Nick has given preparation months column hope article will eliminate horror using pen bladder tanka bladder may burst just place models spinner starter official time has started CORNERS SNOUkD 1 ns - R4i what bentup tank shell should look like back little rectangles right what tabs free edges look like angle -K--4 1~ 6 F 3 C 4 t3vo L~vES _____// rv SNADt PReA 0, 8ow A4 reeu7~ Heres pattern used above cut sheet brass stock Speed tank Youre going bend looks like sketch below Detailed construction info months col umn Dimensions keyed values given Table Have fun AA TABLE Fuel Tank Dimensions Speed Class Dimen sionAAB A/ietAs BlAsl5Ae C123As27As D13As E21As33 Ftyp1/81/81/8 GlypAs%411/4 X typTo Fit Youll need good soldering iron least 80 watts able use properly Im go ing go soldering techniques dont know solder have somebody show Use 60/40 solder rosin flux will need alcohol lacquer thinner clean tank during after construction OK lets get DRILL UNbEIzE -Io /v Fu6/g Sz Fce o IAA/A& &u7/c4 T0 PlAcE- AA EAT Il // / -I cur ro Top view completed tank Right-hand end toward front plane As shown set up counterclockwise flight wedge pointing away center flight circle Step Pre-cut piece 010-in brass shim stock somewhat larger required dimensions pattern taken Table material should available lo cal hobby shop hardware stores Step Two Carefully flatten shim stock tape flat surface draw lines fit dimensions Table see drawings Step Three Remove shim stock workboard cut outline pair scis sors Best use wifes mothers good dressmaking shears bodies modelers have done lie cemeteries over world Step Four Pretin area cut out shim stock indicated pattern drawing Tin both top underside stock surface Step Five Start bends vise finish long-nosed pliers sheet-metal visegrips Continued page 181 October 1989 81 Control Line Speed Gene Hempel 301 N Yale Dr Garland TX 75042 TABLE B Tubing Size Different Classes /2A %2-in tubing used throughout A Use same tubing size 1/2A B 1/ Fuel Pickup Overflow Air Pickup Neck Down 1As per Diagram 0 OA- \~0~ore\ \ aruiBcures Display ACTION poSOted b CotrO 5 bAode nes oaS CatS pa ~roa6 oce'Cs t\CCessO ea SoeacW oa NEW THIS yEAR tions round Eights transitioning inside outside loops ship hinging will clearly see roll first top bottom wing becomes visible transition observations satisfy three criteria likely need lift tab wart Heres wart works Because three-ounce weight bal anced level flight weighs proportionately maneuver necessary develop propor tionately lift support Unfortunately basic unadorned outboard wing will increase lift exactly same rate inboard will itself able overcome creased load caused accelerated tip weight wart addition outboard flap sized trial error increase lift balance closely possible increased force caused maneuvering acceleration acting tip weight Because low angles flap deflection flapand therefore warthas negligible ef fect wart does nothing disrupt levelflight balance wings maneuvering however displacement flap/wart creases proportionately control-input de mand pilot harder turns ship the controls displaced effective becomes wart thus offsetting rolling tendency caused tip weight should mention wart flighttrimming accessory ordinarily part planes design criteria should noted however modern designers throw few tricks accomplish much same thing quite common designers advo cate equal-span flaps regardless wing asymmet ry also suggest wider chord outboard flapwhich course accomplishes much same effect wart may amused learn yours truly after adding warts several ships succession including 1982 Nats-winning Intimidation designed built Citation V wart trimmed off prior its 1986 Nats victory added back prior 1987 88 campaigns Flying may precise science trimming sucks obvious question course big should wart huh answer find out trial error best solution temporarily add adjustable tab balsa cardboard taped outboard flap far out possible gain maximum effect least area Ive found making about 3A x 3 good place start Careful observation flight tests will allow precise refinement its size until turning good flat corners hard wish last point tm hesitant speak about American Ares USA-I etc champions utilized significant wing asym metry eliminate need tip weight us modern designers trying ig nore obvious wisdom approach merely because inboard wings readily seen being longer arent aesthetically pleasing isnt us hasnt repeatedly decried addition useless dead weight designs merely give lip service search optimum performance eschew ing gains elimination un necessary burden Could have avoided en tire discussion warts merely throwing away last outboard rib ship Ive built since 1957 Sock Large James CL Speed/Hempel Continued page 81 job done bent shim stock should look like two sketches near pattern drawing Step Six Next cut strip shim stock will form outside wall tank Carefully measure height D cut stock must slightly less dimension put place inside solder tabs tank shell tank will have accurate rectangular cross section Note because wedge shape tank wall piece will somewhat longer E dimension used tank shell Note wall fits inside solder tabs tank shell E ry P C 6Do s what side wall tank looks like before bent fit inside tabs open side tank shell Note lengths B C must measured along outer edges shell will somewhat longer flat dimen sions shown pattern Table Step Seven Hold wall place surgical clamps small alligator clips Check make October 1989 181 II ~1DJ9fHFo1Fbi9 IDEALLY SUITED FOR ANY PUSH ROD ACTION RUDOERS ELEVATORS AILERONS THROTTLE CONTROL BOATS SEA PLANES. YOUR IMINA11ON 34 LONG ASSEMBLED LENGTH ANYWAY YOU ADDS UP TO BETTER PERFORMANCE NYROD THE ORIGINAL 1&ib& PUSH ROD COMPLETE WITH ALL REQUIRED METAL FITTiNGS st4C $179 Cat NYROD SU-PR-UNE PRODUCTS INC lUBe Stats Route 47 E Udn U P 513456-1721 sure bends tank shell still 900 Spot-solder wall tabs shell Keep soldering iron tip clean rubbing fre quently damp sponge let iron dwell too long spot may well desolder finished seam some distance away youre working Remove clamps soldering completed touch up seams previously sheltered clamps Clean off excess soldering flux both inside outside tank alcohol lac quer thinner Use long Q-Tips clean interi Carefully inspect interior tank make sure no voids pinholes soldered seams Grind ends tank preferably sanding wheel smooth flat meet desired dimensions Deburr edges Step Eight Cut three brass tubes desired lengths fuel pickup overflow air vent Check Table B correct tubing diameter Speed class model being constructed sure check construction technique air vent tube Table B TKLTL p pattern used make two end caps tank shell Step Nine drilling holes tank inserting tubing make holes undersize fuel pickup tube should floor tank bend wall delivery end gled upward Check sketches detail Hold tube place wood clothespins solder place Use minimum amount sol der make sure solder fillet completely en circles tube penetrates interior tank Make sure plug tube solder Clean flux interior exterior tank Placement fuel pickup tube air vent tube wedge tank Step Ten Bend air vent tube shape see top view tank Check other drawings see tube should mounted Drill underHARDWARE INCLUDED 1-4 NYRODapter 1-8 Rod 2-56 Threaded end size hole tank insert tube Pretin end tube before inserting tank end air vent tube goes directly above fuel pickup tubes end Clamp tube place solder tank shell first Recheck position end tube side tank Reach open rear end tank iron long piece solder tin interior tank air tube will anchored Clamp free end air tube vise rear end tank facing Clamp/wedge pretinned end air tube desired place touch iron pretinned outside area tank solder pretinned tube end side tank hold iron tank too long may dis turb joint holding fuel pickup tube sure inspect interior joint fora good fillet solder tubes still being un plugged Thoroughly clean flux tank Step Eleven Cut overflow tube de sired length drill undersized hole tank wall Insert tube tank just enough allow nice solder fillet formed around tube Check drawing place ment tube Thoroughly clean flux tank 6MD C4PV7*ILP B HOLMAN PLANS beat scale 29 years Plans Englands leading scale modelellers have plans have won everything BEST Show Toledo World Scale Meet Masters Plans Brian Taylor Dennis Bryant Thorpe BROS leading British magazines Send $900 Best Scale catalog British plans catalogs Worlds Best selection scale plans types scale models Kits SMI kits reference drawings listed FLASH ASP Catalog 1989-1990 1/SScaIeRES 90 span ngines RM 358 0 PP 114 Scale FOIl C-Ill 99 5 span 90 enginnes RH Plans $2195 PP lie Scale SOPwITH TRIPE 52 span 40 engines RM 354 -- $1940 PP 1/4 Scale ALA DVA 84 span br 2000 engines ASO 1590 $3740 PP RUMBLER 82 span 60* engines RM 324 $3140 PP 1/4 Scale SESa 80 span 90* engines eryant 5 Pp 1/4 Scale SOPWITH CAMEL Plans World Scale chanipon Mck Reeves $4500 PP 182 Model Aviation M Modelers Choice - High Quality - Convenient Size - Modest Price Giant Kwik Set Epoxy l6oz $1495 Gas Model Products 8773 Russet Dr. Cincinnati OH 45251 dealer call 513-385-7396 ordet direct add $150 postage OvPLO C6r r Liu rA Looking tank front before end cap has soldered 0 00 WciW z 0 r z Co BYRON ORIGI NALSINCf 5oI U5 3M-i Pitts Special continues provide modelers enjoyable RIO experience second-to-none its fast easy-building injection molded foam design its spectacular aerobatic flight characteristics thrill owning Byron Pitts will never grow old just ask proud owner nine years has over 600 flights Puffs first Complete Kit-Concept packages last item necessary finish basic aircraft cluded items like tires fuel tank specialized hardware part package add glue radio engine choice final finish youre looking unique experience Pills S~ciat See Local Byron Dealer Today Full Line Byron Kits Accessories Fuels Byron Originals Inc ox 279 Grove IA 51445 12/364-3165 Step Twelve Soak tank alcohol lac quer thinner run hot tap water through tank flush out grindings Step Thirteen Place end tank over piece 005-in brass shim stock pencil outline brass Remove tank scribe outline brass allowing A-in over lap sides solder flaps Cut out end piece Bend flaps position part end tank check fit Remove end piece pretin solder flaps edges tank will mate Put end back tank solder place Start soldering iron corner move iron around tank until smooth fillet formed Clean tank thor oughly both inside out check seams voids pinholes YB jp TL8 3 /AJ , Thee IMS6TEO INTO 8 4 4 P~ 7iee air pickup tube See also Table B nested tubes soldered together plugging solder Step Fourteen Repeat Step Thirteen other end cap tank Step Fifteen Immerse completed tank flux solvent lacquer thinner several hours Slosh tank fluid make sure inte rior tank clean Step Sixteen Check tank leaks con necting fuel pickup overflow tubes piece fuel line Place long piece fuel line air pickup tube Immerse tank ba sin water put free end fuel line mouth blow Look air bub bles escaping forming solder joints tank Rework required Step Seventeen Use bunch elbow grease buffing exterior tank steel wool want look good dont Plug tubes first Step Eighteen Rough up inside speed pan heavy sandpaper plan mount fuel tank Rough up part tank will mate pan similar manner thoroughly clean both tank pan before applying RTV adhesive area Press tank place keep under light pressure RTV sets Any RTV adhesives market will work application RTV -temperature-vulcanizingEd Step Nineteen Form free end air pickup tube away side fuselage Appropriate gaps % hA % B end air pickup tube should positioned faces propeller airflow hope loyal readers enjoyed article takes immense amount work pull such piece together thanks once again Nick Sher help Thats time Please remember gather up bits pieces information photos etc have lying around Mail inclusion CL Speed column CL Racing/Ballard continued page 82 Another photographer Hawks photos event shows two Juniors doing excellent job piloting Theresa Byerly Wesley Mullins weather must have chilly day having fuel shutoffs Mouse Racers definitely subject damage line tangles some other unfortunate incidentoccur have seen several cases engine has started backwards pit stop fact has apparent pitman plane released moved backwards lap two until either engine quit someone man aged capture Such embarrassing incidents could have prevented fuel shutoffs installed extremely important competitor multiple-pilot Racing events have overview activities occurring Obviously must con trol own aircraft behooves him ob serve other pilots enter exit cir cle aware flying styles other pilots will help eliminate confu sion resulting unfortunate crash competitors plane landing home pit ting area secrets flying good race have smooth efficient pitman pho tos shows John McCollum pitting famed McMouse Northwest Regionals Note has plane well stabilized refuels has cord glow plug battery taped arm cant get entangled plane Hes also wearing kneeling pad ease pain kneeling hard surface dur October 1989 183 building flying select Byron Puffs next P/C project--thousands other satisfied customers have detailed InfoPack send $200 Catalogs just $300
Edition: Model Aviation - 1989/10
Page Numbers: 81, 181, 182, 183
1989 Gene Hempel HERES HOW build suction fuel tank new Speed model information sub mitted Nick Sher present AMA recordholder B Speed Open 21823 mph lam very appreciative help Nick has given preparation months column hope article will eliminate horror using pen bladder tanka bladder may burst just place models spinner starter official time has started CORNERS SNOUkD 1 ns - R4i what bentup tank shell should look like back little rectangles right what tabs free edges look like angle -K--4 1~ 6 F 3 C 4 t3vo L~vES _____// rv SNADt PReA 0, 8ow A4 reeu7~ Heres pattern used above cut sheet brass stock Speed tank Youre going bend looks like sketch below Detailed construction info months col umn Dimensions keyed values given Table Have fun AA TABLE Fuel Tank Dimensions Speed Class Dimen sionAAB A/ietAs BlAsl5Ae C123As27As D13As E21As33 Ftyp1/81/81/8 GlypAs%411/4 X typTo Fit Youll need good soldering iron least 80 watts able use properly Im go ing go soldering techniques dont know solder have somebody show Use 60/40 solder rosin flux will need alcohol lacquer thinner clean tank during after construction OK lets get DRILL UNbEIzE -Io /v Fu6/g Sz Fce o IAA/A& &u7/c4 T0 PlAcE- AA EAT Il // / -I cur ro Top view completed tank Right-hand end toward front plane As shown set up counterclockwise flight wedge pointing away center flight circle Step Pre-cut piece 010-in brass shim stock somewhat larger required dimensions pattern taken Table material should available lo cal hobby shop hardware stores Step Two Carefully flatten shim stock tape flat surface draw lines fit dimensions Table see drawings Step Three Remove shim stock workboard cut outline pair scis sors Best use wifes mothers good dressmaking shears bodies modelers have done lie cemeteries over world Step Four Pretin area cut out shim stock indicated pattern drawing Tin both top underside stock surface Step Five Start bends vise finish long-nosed pliers sheet-metal visegrips Continued page 181 October 1989 81 Control Line Speed Gene Hempel 301 N Yale Dr Garland TX 75042 TABLE B Tubing Size Different Classes /2A %2-in tubing used throughout A Use same tubing size 1/2A B 1/ Fuel Pickup Overflow Air Pickup Neck Down 1As per Diagram 0 OA- \~0~ore\ \ aruiBcures Display ACTION poSOted b CotrO 5 bAode nes oaS CatS pa ~roa6 oce'Cs t\CCessO ea SoeacW oa NEW THIS yEAR tions round Eights transitioning inside outside loops ship hinging will clearly see roll first top bottom wing becomes visible transition observations satisfy three criteria likely need lift tab wart Heres wart works Because three-ounce weight bal anced level flight weighs proportionately maneuver necessary develop propor tionately lift support Unfortunately basic unadorned outboard wing will increase lift exactly same rate inboard will itself able overcome creased load caused accelerated tip weight wart addition outboard flap sized trial error increase lift balance closely possible increased force caused maneuvering acceleration acting tip weight Because low angles flap deflection flapand therefore warthas negligible ef fect wart does nothing disrupt levelflight balance wings maneuvering however displacement flap/wart creases proportionately control-input de mand pilot harder turns ship the controls displaced effective becomes wart thus offsetting rolling tendency caused tip weight should mention wart flighttrimming accessory ordinarily part planes design criteria should noted however modern designers throw few tricks accomplish much same thing quite common designers advo cate equal-span flaps regardless wing asymmet ry also suggest wider chord outboard flapwhich course accomplishes much same effect wart may amused learn yours truly after adding warts several ships succession including 1982 Nats-winning Intimidation designed built Citation V wart trimmed off prior its 1986 Nats victory added back prior 1987 88 campaigns Flying may precise science trimming sucks obvious question course big should wart huh answer find out trial error best solution temporarily add adjustable tab balsa cardboard taped outboard flap far out possible gain maximum effect least area Ive found making about 3A x 3 good place start Careful observation flight tests will allow precise refinement its size until turning good flat corners hard wish last point tm hesitant speak about American Ares USA-I etc champions utilized significant wing asym metry eliminate need tip weight us modern designers trying ig nore obvious wisdom approach merely because inboard wings readily seen being longer arent aesthetically pleasing isnt us hasnt repeatedly decried addition useless dead weight designs merely give lip service search optimum performance eschew ing gains elimination un necessary burden Could have avoided en tire discussion warts merely throwing away last outboard rib ship Ive built since 1957 Sock Large James CL Speed/Hempel Continued page 81 job done bent shim stock should look like two sketches near pattern drawing Step Six Next cut strip shim stock will form outside wall tank Carefully measure height D cut stock must slightly less dimension put place inside solder tabs tank shell tank will have accurate rectangular cross section Note because wedge shape tank wall piece will somewhat longer E dimension used tank shell Note wall fits inside solder tabs tank shell E ry P C 6Do s what side wall tank looks like before bent fit inside tabs open side tank shell Note lengths B C must measured along outer edges shell will somewhat longer flat dimen sions shown pattern Table Step Seven Hold wall place surgical clamps small alligator clips Check make October 1989 181 II ~1DJ9fHFo1Fbi9 IDEALLY SUITED FOR ANY PUSH ROD ACTION RUDOERS ELEVATORS AILERONS THROTTLE CONTROL BOATS SEA PLANES. YOUR IMINA11ON 34 LONG ASSEMBLED LENGTH ANYWAY YOU ADDS UP TO BETTER PERFORMANCE NYROD THE ORIGINAL 1&ib& PUSH ROD COMPLETE WITH ALL REQUIRED METAL FITTiNGS st4C $179 Cat NYROD SU-PR-UNE PRODUCTS INC lUBe Stats Route 47 E Udn U P 513456-1721 sure bends tank shell still 900 Spot-solder wall tabs shell Keep soldering iron tip clean rubbing fre quently damp sponge let iron dwell too long spot may well desolder finished seam some distance away youre working Remove clamps soldering completed touch up seams previously sheltered clamps Clean off excess soldering flux both inside outside tank alcohol lac quer thinner Use long Q-Tips clean interi Carefully inspect interior tank make sure no voids pinholes soldered seams Grind ends tank preferably sanding wheel smooth flat meet desired dimensions Deburr edges Step Eight Cut three brass tubes desired lengths fuel pickup overflow air vent Check Table B correct tubing diameter Speed class model being constructed sure check construction technique air vent tube Table B TKLTL p pattern used make two end caps tank shell Step Nine drilling holes tank inserting tubing make holes undersize fuel pickup tube should floor tank bend wall delivery end gled upward Check sketches detail Hold tube place wood clothespins solder place Use minimum amount sol der make sure solder fillet completely en circles tube penetrates interior tank Make sure plug tube solder Clean flux interior exterior tank Placement fuel pickup tube air vent tube wedge tank Step Ten Bend air vent tube shape see top view tank Check other drawings see tube should mounted Drill underHARDWARE INCLUDED 1-4 NYRODapter 1-8 Rod 2-56 Threaded end size hole tank insert tube Pretin end tube before inserting tank end air vent tube goes directly above fuel pickup tubes end Clamp tube place solder tank shell first Recheck position end tube side tank Reach open rear end tank iron long piece solder tin interior tank air tube will anchored Clamp free end air tube vise rear end tank facing Clamp/wedge pretinned end air tube desired place touch iron pretinned outside area tank solder pretinned tube end side tank hold iron tank too long may dis turb joint holding fuel pickup tube sure inspect interior joint fora good fillet solder tubes still being un plugged Thoroughly clean flux tank Step Eleven Cut overflow tube de sired length drill undersized hole tank wall Insert tube tank just enough allow nice solder fillet formed around tube Check drawing place ment tube Thoroughly clean flux tank 6MD C4PV7*ILP B HOLMAN PLANS beat scale 29 years Plans Englands leading scale modelellers have plans have won everything BEST Show Toledo World Scale Meet Masters Plans Brian Taylor Dennis Bryant Thorpe BROS leading British magazines Send $900 Best Scale catalog British plans catalogs Worlds Best selection scale plans types scale models Kits SMI kits reference drawings listed FLASH ASP Catalog 1989-1990 1/SScaIeRES 90 span ngines RM 358 0 PP 114 Scale FOIl C-Ill 99 5 span 90 enginnes RH Plans $2195 PP lie Scale SOPwITH TRIPE 52 span 40 engines RM 354 -- $1940 PP 1/4 Scale ALA DVA 84 span br 2000 engines ASO 1590 $3740 PP RUMBLER 82 span 60* engines RM 324 $3140 PP 1/4 Scale SESa 80 span 90* engines eryant 5 Pp 1/4 Scale SOPWITH CAMEL Plans World Scale chanipon Mck Reeves $4500 PP 182 Model Aviation M Modelers Choice - High Quality - Convenient Size - Modest Price Giant Kwik Set Epoxy l6oz $1495 Gas Model Products 8773 Russet Dr. Cincinnati OH 45251 dealer call 513-385-7396 ordet direct add $150 postage OvPLO C6r r Liu rA Looking tank front before end cap has soldered 0 00 WciW z 0 r z Co BYRON ORIGI NALSINCf 5oI U5 3M-i Pitts Special continues provide modelers enjoyable RIO experience second-to-none its fast easy-building injection molded foam design its spectacular aerobatic flight characteristics thrill owning Byron Pitts will never grow old just ask proud owner nine years has over 600 flights Puffs first Complete Kit-Concept packages last item necessary finish basic aircraft cluded items like tires fuel tank specialized hardware part package add glue radio engine choice final finish youre looking unique experience Pills S~ciat See Local Byron Dealer Today Full Line Byron Kits Accessories Fuels Byron Originals Inc ox 279 Grove IA 51445 12/364-3165 Step Twelve Soak tank alcohol lac quer thinner run hot tap water through tank flush out grindings Step Thirteen Place end tank over piece 005-in brass shim stock pencil outline brass Remove tank scribe outline brass allowing A-in over lap sides solder flaps Cut out end piece Bend flaps position part end tank check fit Remove end piece pretin solder flaps edges tank will mate Put end back tank solder place Start soldering iron corner move iron around tank until smooth fillet formed Clean tank thor oughly both inside out check seams voids pinholes YB jp TL8 3 /AJ , Thee IMS6TEO INTO 8 4 4 P~ 7iee air pickup tube See also Table B nested tubes soldered together plugging solder Step Fourteen Repeat Step Thirteen other end cap tank Step Fifteen Immerse completed tank flux solvent lacquer thinner several hours Slosh tank fluid make sure inte rior tank clean Step Sixteen Check tank leaks con necting fuel pickup overflow tubes piece fuel line Place long piece fuel line air pickup tube Immerse tank ba sin water put free end fuel line mouth blow Look air bub bles escaping forming solder joints tank Rework required Step Seventeen Use bunch elbow grease buffing exterior tank steel wool want look good dont Plug tubes first Step Eighteen Rough up inside speed pan heavy sandpaper plan mount fuel tank Rough up part tank will mate pan similar manner thoroughly clean both tank pan before applying RTV adhesive area Press tank place keep under light pressure RTV sets Any RTV adhesives market will work application RTV -temperature-vulcanizingEd Step Nineteen Form free end air pickup tube away side fuselage Appropriate gaps % hA % B end air pickup tube should positioned faces propeller airflow hope loyal readers enjoyed article takes immense amount work pull such piece together thanks once again Nick Sher help Thats time Please remember gather up bits pieces information photos etc have lying around Mail inclusion CL Speed column CL Racing/Ballard continued page 82 Another photographer Hawks photos event shows two Juniors doing excellent job piloting Theresa Byerly Wesley Mullins weather must have chilly day having fuel shutoffs Mouse Racers definitely subject damage line tangles some other unfortunate incidentoccur have seen several cases engine has started backwards pit stop fact has apparent pitman plane released moved backwards lap two until either engine quit someone man aged capture Such embarrassing incidents could have prevented fuel shutoffs installed extremely important competitor multiple-pilot Racing events have overview activities occurring Obviously must con trol own aircraft behooves him ob serve other pilots enter exit cir cle aware flying styles other pilots will help eliminate confu sion resulting unfortunate crash competitors plane landing home pit ting area secrets flying good race have smooth efficient pitman pho tos shows John McCollum pitting famed McMouse Northwest Regionals Note has plane well stabilized refuels has cord glow plug battery taped arm cant get entangled plane Hes also wearing kneeling pad ease pain kneeling hard surface dur October 1989 183 building flying select Byron Puffs next P/C project--thousands other satisfied customers have detailed InfoPack send $200 Catalogs just $300
Edition: Model Aviation - 1989/10
Page Numbers: 81, 181, 182, 183
1989 Gene Hempel HERES HOW build suction fuel tank new Speed model information sub mitted Nick Sher present AMA recordholder B Speed Open 21823 mph lam very appreciative help Nick has given preparation months column hope article will eliminate horror using pen bladder tanka bladder may burst just place models spinner starter official time has started CORNERS SNOUkD 1 ns - R4i what bentup tank shell should look like back little rectangles right what tabs free edges look like angle -K--4 1~ 6 F 3 C 4 t3vo L~vES _____// rv SNADt PReA 0, 8ow A4 reeu7~ Heres pattern used above cut sheet brass stock Speed tank Youre going bend looks like sketch below Detailed construction info months col umn Dimensions keyed values given Table Have fun AA TABLE Fuel Tank Dimensions Speed Class Dimen sionAAB A/ietAs BlAsl5Ae C123As27As D13As E21As33 Ftyp1/81/81/8 GlypAs%411/4 X typTo Fit Youll need good soldering iron least 80 watts able use properly Im go ing go soldering techniques dont know solder have somebody show Use 60/40 solder rosin flux will need alcohol lacquer thinner clean tank during after construction OK lets get DRILL UNbEIzE -Io /v Fu6/g Sz Fce o IAA/A& &u7/c4 T0 PlAcE- AA EAT Il // / -I cur ro Top view completed tank Right-hand end toward front plane As shown set up counterclockwise flight wedge pointing away center flight circle Step Pre-cut piece 010-in brass shim stock somewhat larger required dimensions pattern taken Table material should available lo cal hobby shop hardware stores Step Two Carefully flatten shim stock tape flat surface draw lines fit dimensions Table see drawings Step Three Remove shim stock workboard cut outline pair scis sors Best use wifes mothers good dressmaking shears bodies modelers have done lie cemeteries over world Step Four Pretin area cut out shim stock indicated pattern drawing Tin both top underside stock surface Step Five Start bends vise finish long-nosed pliers sheet-metal visegrips Continued page 181 October 1989 81 Control Line Speed Gene Hempel 301 N Yale Dr Garland TX 75042 TABLE B Tubing Size Different Classes /2A %2-in tubing used throughout A Use same tubing size 1/2A B 1/ Fuel Pickup Overflow Air Pickup Neck Down 1As per Diagram 0 OA- \~0~ore\ \ aruiBcures Display ACTION poSOted b CotrO 5 bAode nes oaS CatS pa ~roa6 oce'Cs t\CCessO ea SoeacW oa NEW THIS yEAR tions round Eights transitioning inside outside loops ship hinging will clearly see roll first top bottom wing becomes visible transition observations satisfy three criteria likely need lift tab wart Heres wart works Because three-ounce weight bal anced level flight weighs proportionately maneuver necessary develop propor tionately lift support Unfortunately basic unadorned outboard wing will increase lift exactly same rate inboard will itself able overcome creased load caused accelerated tip weight wart addition outboard flap sized trial error increase lift balance closely possible increased force caused maneuvering acceleration acting tip weight Because low angles flap deflection flapand therefore warthas negligible ef fect wart does nothing disrupt levelflight balance wings maneuvering however displacement flap/wart creases proportionately control-input de mand pilot harder turns ship the controls displaced effective becomes wart thus offsetting rolling tendency caused tip weight should mention wart flighttrimming accessory ordinarily part planes design criteria should noted however modern designers throw few tricks accomplish much same thing quite common designers advo cate equal-span flaps regardless wing asymmet ry also suggest wider chord outboard flapwhich course accomplishes much same effect wart may amused learn yours truly after adding warts several ships succession including 1982 Nats-winning Intimidation designed built Citation V wart trimmed off prior its 1986 Nats victory added back prior 1987 88 campaigns Flying may precise science trimming sucks obvious question course big should wart huh answer find out trial error best solution temporarily add adjustable tab balsa cardboard taped outboard flap far out possible gain maximum effect least area Ive found making about 3A x 3 good place start Careful observation flight tests will allow precise refinement its size until turning good flat corners hard wish last point tm hesitant speak about American Ares USA-I etc champions utilized significant wing asym metry eliminate need tip weight us modern designers trying ig nore obvious wisdom approach merely because inboard wings readily seen being longer arent aesthetically pleasing isnt us hasnt repeatedly decried addition useless dead weight designs merely give lip service search optimum performance eschew ing gains elimination un necessary burden Could have avoided en tire discussion warts merely throwing away last outboard rib ship Ive built since 1957 Sock Large James CL Speed/Hempel Continued page 81 job done bent shim stock should look like two sketches near pattern drawing Step Six Next cut strip shim stock will form outside wall tank Carefully measure height D cut stock must slightly less dimension put place inside solder tabs tank shell tank will have accurate rectangular cross section Note because wedge shape tank wall piece will somewhat longer E dimension used tank shell Note wall fits inside solder tabs tank shell E ry P C 6Do s what side wall tank looks like before bent fit inside tabs open side tank shell Note lengths B C must measured along outer edges shell will somewhat longer flat dimen sions shown pattern Table Step Seven Hold wall place surgical clamps small alligator clips Check make October 1989 181 II ~1DJ9fHFo1Fbi9 IDEALLY SUITED FOR ANY PUSH ROD ACTION RUDOERS ELEVATORS AILERONS THROTTLE CONTROL BOATS SEA PLANES. YOUR IMINA11ON 34 LONG ASSEMBLED LENGTH ANYWAY YOU ADDS UP TO BETTER PERFORMANCE NYROD THE ORIGINAL 1&ib& PUSH ROD COMPLETE WITH ALL REQUIRED METAL FITTiNGS st4C $179 Cat NYROD SU-PR-UNE PRODUCTS INC lUBe Stats Route 47 E Udn U P 513456-1721 sure bends tank shell still 900 Spot-solder wall tabs shell Keep soldering iron tip clean rubbing fre quently damp sponge let iron dwell too long spot may well desolder finished seam some distance away youre working Remove clamps soldering completed touch up seams previously sheltered clamps Clean off excess soldering flux both inside outside tank alcohol lac quer thinner Use long Q-Tips clean interi Carefully inspect interior tank make sure no voids pinholes soldered seams Grind ends tank preferably sanding wheel smooth flat meet desired dimensions Deburr edges Step Eight Cut three brass tubes desired lengths fuel pickup overflow air vent Check Table B correct tubing diameter Speed class model being constructed sure check construction technique air vent tube Table B TKLTL p pattern used make two end caps tank shell Step Nine drilling holes tank inserting tubing make holes undersize fuel pickup tube should floor tank bend wall delivery end gled upward Check sketches detail Hold tube place wood clothespins solder place Use minimum amount sol der make sure solder fillet completely en circles tube penetrates interior tank Make sure plug tube solder Clean flux interior exterior tank Placement fuel pickup tube air vent tube wedge tank Step Ten Bend air vent tube shape see top view tank Check other drawings see tube should mounted Drill underHARDWARE INCLUDED 1-4 NYRODapter 1-8 Rod 2-56 Threaded end size hole tank insert tube Pretin end tube before inserting tank end air vent tube goes directly above fuel pickup tubes end Clamp tube place solder tank shell first Recheck position end tube side tank Reach open rear end tank iron long piece solder tin interior tank air tube will anchored Clamp free end air tube vise rear end tank facing Clamp/wedge pretinned end air tube desired place touch iron pretinned outside area tank solder pretinned tube end side tank hold iron tank too long may dis turb joint holding fuel pickup tube sure inspect interior joint fora good fillet solder tubes still being un plugged Thoroughly clean flux tank Step Eleven Cut overflow tube de sired length drill undersized hole tank wall Insert tube tank just enough allow nice solder fillet formed around tube Check drawing place ment tube Thoroughly clean flux tank 6MD C4PV7*ILP B HOLMAN PLANS beat scale 29 years Plans Englands leading scale modelellers have plans have won everything BEST Show Toledo World Scale Meet Masters Plans Brian Taylor Dennis Bryant Thorpe BROS leading British magazines Send $900 Best Scale catalog British plans catalogs Worlds Best selection scale plans types scale models Kits SMI kits reference drawings listed FLASH ASP Catalog 1989-1990 1/SScaIeRES 90 span ngines RM 358 0 PP 114 Scale FOIl C-Ill 99 5 span 90 enginnes RH Plans $2195 PP lie Scale SOPwITH TRIPE 52 span 40 engines RM 354 -- $1940 PP 1/4 Scale ALA DVA 84 span br 2000 engines ASO 1590 $3740 PP RUMBLER 82 span 60* engines RM 324 $3140 PP 1/4 Scale SESa 80 span 90* engines eryant 5 Pp 1/4 Scale SOPWITH CAMEL Plans World Scale chanipon Mck Reeves $4500 PP 182 Model Aviation M Modelers Choice - High Quality - Convenient Size - Modest Price Giant Kwik Set Epoxy l6oz $1495 Gas Model Products 8773 Russet Dr. Cincinnati OH 45251 dealer call 513-385-7396 ordet direct add $150 postage OvPLO C6r r Liu rA Looking tank front before end cap has soldered 0 00 WciW z 0 r z Co BYRON ORIGI NALSINCf 5oI U5 3M-i Pitts Special continues provide modelers enjoyable RIO experience second-to-none its fast easy-building injection molded foam design its spectacular aerobatic flight characteristics thrill owning Byron Pitts will never grow old just ask proud owner nine years has over 600 flights Puffs first Complete Kit-Concept packages last item necessary finish basic aircraft cluded items like tires fuel tank specialized hardware part package add glue radio engine choice final finish youre looking unique experience Pills S~ciat See Local Byron Dealer Today Full Line Byron Kits Accessories Fuels Byron Originals Inc ox 279 Grove IA 51445 12/364-3165 Step Twelve Soak tank alcohol lac quer thinner run hot tap water through tank flush out grindings Step Thirteen Place end tank over piece 005-in brass shim stock pencil outline brass Remove tank scribe outline brass allowing A-in over lap sides solder flaps Cut out end piece Bend flaps position part end tank check fit Remove end piece pretin solder flaps edges tank will mate Put end back tank solder place Start soldering iron corner move iron around tank until smooth fillet formed Clean tank thor oughly both inside out check seams voids pinholes YB jp TL8 3 /AJ , Thee IMS6TEO INTO 8 4 4 P~ 7iee air pickup tube See also Table B nested tubes soldered together plugging solder Step Fourteen Repeat Step Thirteen other end cap tank Step Fifteen Immerse completed tank flux solvent lacquer thinner several hours Slosh tank fluid make sure inte rior tank clean Step Sixteen Check tank leaks con necting fuel pickup overflow tubes piece fuel line Place long piece fuel line air pickup tube Immerse tank ba sin water put free end fuel line mouth blow Look air bub bles escaping forming solder joints tank Rework required Step Seventeen Use bunch elbow grease buffing exterior tank steel wool want look good dont Plug tubes first Step Eighteen Rough up inside speed pan heavy sandpaper plan mount fuel tank Rough up part tank will mate pan similar manner thoroughly clean both tank pan before applying RTV adhesive area Press tank place keep under light pressure RTV sets Any RTV adhesives market will work application RTV -temperature-vulcanizingEd Step Nineteen Form free end air pickup tube away side fuselage Appropriate gaps % hA % B end air pickup tube should positioned faces propeller airflow hope loyal readers enjoyed article takes immense amount work pull such piece together thanks once again Nick Sher help Thats time Please remember gather up bits pieces information photos etc have lying around Mail inclusion CL Speed column CL Racing/Ballard continued page 82 Another photographer Hawks photos event shows two Juniors doing excellent job piloting Theresa Byerly Wesley Mullins weather must have chilly day having fuel shutoffs Mouse Racers definitely subject damage line tangles some other unfortunate incidentoccur have seen several cases engine has started backwards pit stop fact has apparent pitman plane released moved backwards lap two until either engine quit someone man aged capture Such embarrassing incidents could have prevented fuel shutoffs installed extremely important competitor multiple-pilot Racing events have overview activities occurring Obviously must con trol own aircraft behooves him ob serve other pilots enter exit cir cle aware flying styles other pilots will help eliminate confu sion resulting unfortunate crash competitors plane landing home pit ting area secrets flying good race have smooth efficient pitman pho tos shows John McCollum pitting famed McMouse Northwest Regionals Note has plane well stabilized refuels has cord glow plug battery taped arm cant get entangled plane Hes also wearing kneeling pad ease pain kneeling hard surface dur October 1989 183 building flying select Byron Puffs next P/C project--thousands other satisfied customers have detailed InfoPack send $200 Catalogs just $300
Edition: Model Aviation - 1989/10
Page Numbers: 81, 181, 182, 183
1989 Gene Hempel HERES HOW build suction fuel tank new Speed model information sub mitted Nick Sher present AMA recordholder B Speed Open 21823 mph lam very appreciative help Nick has given preparation months column hope article will eliminate horror using pen bladder tanka bladder may burst just place models spinner starter official time has started CORNERS SNOUkD 1 ns - R4i what bentup tank shell should look like back little rectangles right what tabs free edges look like angle -K--4 1~ 6 F 3 C 4 t3vo L~vES _____// rv SNADt PReA 0, 8ow A4 reeu7~ Heres pattern used above cut sheet brass stock Speed tank Youre going bend looks like sketch below Detailed construction info months col umn Dimensions keyed values given Table Have fun AA TABLE Fuel Tank Dimensions Speed Class Dimen sionAAB A/ietAs BlAsl5Ae C123As27As D13As E21As33 Ftyp1/81/81/8 GlypAs%411/4 X typTo Fit Youll need good soldering iron least 80 watts able use properly Im go ing go soldering techniques dont know solder have somebody show Use 60/40 solder rosin flux will need alcohol lacquer thinner clean tank during after construction OK lets get DRILL UNbEIzE -Io /v Fu6/g Sz Fce o IAA/A& &u7/c4 T0 PlAcE- AA EAT Il // / -I cur ro Top view completed tank Right-hand end toward front plane As shown set up counterclockwise flight wedge pointing away center flight circle Step Pre-cut piece 010-in brass shim stock somewhat larger required dimensions pattern taken Table material should available lo cal hobby shop hardware stores Step Two Carefully flatten shim stock tape flat surface draw lines fit dimensions Table see drawings Step Three Remove shim stock workboard cut outline pair scis sors Best use wifes mothers good dressmaking shears bodies modelers have done lie cemeteries over world Step Four Pretin area cut out shim stock indicated pattern drawing Tin both top underside stock surface Step Five Start bends vise finish long-nosed pliers sheet-metal visegrips Continued page 181 October 1989 81 Control Line Speed Gene Hempel 301 N Yale Dr Garland TX 75042 TABLE B Tubing Size Different Classes /2A %2-in tubing used throughout A Use same tubing size 1/2A B 1/ Fuel Pickup Overflow Air Pickup Neck Down 1As per Diagram 0 OA- \~0~ore\ \ aruiBcures Display ACTION poSOted b CotrO 5 bAode nes oaS CatS pa ~roa6 oce'Cs t\CCessO ea SoeacW oa NEW THIS yEAR tions round Eights transitioning inside outside loops ship hinging will clearly see roll first top bottom wing becomes visible transition observations satisfy three criteria likely need lift tab wart Heres wart works Because three-ounce weight bal anced level flight weighs proportionately maneuver necessary develop propor tionately lift support Unfortunately basic unadorned outboard wing will increase lift exactly same rate inboard will itself able overcome creased load caused accelerated tip weight wart addition outboard flap sized trial error increase lift balance closely possible increased force caused maneuvering acceleration acting tip weight Because low angles flap deflection flapand therefore warthas negligible ef fect wart does nothing disrupt levelflight balance wings maneuvering however displacement flap/wart creases proportionately control-input de mand pilot harder turns ship the controls displaced effective becomes wart thus offsetting rolling tendency caused tip weight should mention wart flighttrimming accessory ordinarily part planes design criteria should noted however modern designers throw few tricks accomplish much same thing quite common designers advo cate equal-span flaps regardless wing asymmet ry also suggest wider chord outboard flapwhich course accomplishes much same effect wart may amused learn yours truly after adding warts several ships succession including 1982 Nats-winning Intimidation designed built Citation V wart trimmed off prior its 1986 Nats victory added back prior 1987 88 campaigns Flying may precise science trimming sucks obvious question course big should wart huh answer find out trial error best solution temporarily add adjustable tab balsa cardboard taped outboard flap far out possible gain maximum effect least area Ive found making about 3A x 3 good place start Careful observation flight tests will allow precise refinement its size until turning good flat corners hard wish last point tm hesitant speak about American Ares USA-I etc champions utilized significant wing asym metry eliminate need tip weight us modern designers trying ig nore obvious wisdom approach merely because inboard wings readily seen being longer arent aesthetically pleasing isnt us hasnt repeatedly decried addition useless dead weight designs merely give lip service search optimum performance eschew ing gains elimination un necessary burden Could have avoided en tire discussion warts merely throwing away last outboard rib ship Ive built since 1957 Sock Large James CL Speed/Hempel Continued page 81 job done bent shim stock should look like two sketches near pattern drawing Step Six Next cut strip shim stock will form outside wall tank Carefully measure height D cut stock must slightly less dimension put place inside solder tabs tank shell tank will have accurate rectangular cross section Note because wedge shape tank wall piece will somewhat longer E dimension used tank shell Note wall fits inside solder tabs tank shell E ry P C 6Do s what side wall tank looks like before bent fit inside tabs open side tank shell Note lengths B C must measured along outer edges shell will somewhat longer flat dimen sions shown pattern Table Step Seven Hold wall place surgical clamps small alligator clips Check make October 1989 181 II ~1DJ9fHFo1Fbi9 IDEALLY SUITED FOR ANY PUSH ROD ACTION RUDOERS ELEVATORS AILERONS THROTTLE CONTROL BOATS SEA PLANES. YOUR IMINA11ON 34 LONG ASSEMBLED LENGTH ANYWAY YOU ADDS UP TO BETTER PERFORMANCE NYROD THE ORIGINAL 1&ib& PUSH ROD COMPLETE WITH ALL REQUIRED METAL FITTiNGS st4C $179 Cat NYROD SU-PR-UNE PRODUCTS INC lUBe Stats Route 47 E Udn U P 513456-1721 sure bends tank shell still 900 Spot-solder wall tabs shell Keep soldering iron tip clean rubbing fre quently damp sponge let iron dwell too long spot may well desolder finished seam some distance away youre working Remove clamps soldering completed touch up seams previously sheltered clamps Clean off excess soldering flux both inside outside tank alcohol lac quer thinner Use long Q-Tips clean interi Carefully inspect interior tank make sure no voids pinholes soldered seams Grind ends tank preferably sanding wheel smooth flat meet desired dimensions Deburr edges Step Eight Cut three brass tubes desired lengths fuel pickup overflow air vent Check Table B correct tubing diameter Speed class model being constructed sure check construction technique air vent tube Table B TKLTL p pattern used make two end caps tank shell Step Nine drilling holes tank inserting tubing make holes undersize fuel pickup tube should floor tank bend wall delivery end gled upward Check sketches detail Hold tube place wood clothespins solder place Use minimum amount sol der make sure solder fillet completely en circles tube penetrates interior tank Make sure plug tube solder Clean flux interior exterior tank Placement fuel pickup tube air vent tube wedge tank Step Ten Bend air vent tube shape see top view tank Check other drawings see tube should mounted Drill underHARDWARE INCLUDED 1-4 NYRODapter 1-8 Rod 2-56 Threaded end size hole tank insert tube Pretin end tube before inserting tank end air vent tube goes directly above fuel pickup tubes end Clamp tube place solder tank shell first Recheck position end tube side tank Reach open rear end tank iron long piece solder tin interior tank air tube will anchored Clamp free end air tube vise rear end tank facing Clamp/wedge pretinned end air tube desired place touch iron pretinned outside area tank solder pretinned tube end side tank hold iron tank too long may dis turb joint holding fuel pickup tube sure inspect interior joint fora good fillet solder tubes still being un plugged Thoroughly clean flux tank Step Eleven Cut overflow tube de sired length drill undersized hole tank wall Insert tube tank just enough allow nice solder fillet formed around tube Check drawing place ment tube Thoroughly clean flux tank 6MD C4PV7*ILP B HOLMAN PLANS beat scale 29 years Plans Englands leading scale modelellers have plans have won everything BEST Show Toledo World Scale Meet Masters Plans Brian Taylor Dennis Bryant Thorpe BROS leading British magazines Send $900 Best Scale catalog British plans catalogs Worlds Best selection scale plans types scale models Kits SMI kits reference drawings listed FLASH ASP Catalog 1989-1990 1/SScaIeRES 90 span ngines RM 358 0 PP 114 Scale FOIl C-Ill 99 5 span 90 enginnes RH Plans $2195 PP lie Scale SOPwITH TRIPE 52 span 40 engines RM 354 -- $1940 PP 1/4 Scale ALA DVA 84 span br 2000 engines ASO 1590 $3740 PP RUMBLER 82 span 60* engines RM 324 $3140 PP 1/4 Scale SESa 80 span 90* engines eryant 5 Pp 1/4 Scale SOPWITH CAMEL Plans World Scale chanipon Mck Reeves $4500 PP 182 Model Aviation M Modelers Choice - High Quality - Convenient Size - Modest Price Giant Kwik Set Epoxy l6oz $1495 Gas Model Products 8773 Russet Dr. Cincinnati OH 45251 dealer call 513-385-7396 ordet direct add $150 postage OvPLO C6r r Liu rA Looking tank front before end cap has soldered 0 00 WciW z 0 r z Co BYRON ORIGI NALSINCf 5oI U5 3M-i Pitts Special continues provide modelers enjoyable RIO experience second-to-none its fast easy-building injection molded foam design its spectacular aerobatic flight characteristics thrill owning Byron Pitts will never grow old just ask proud owner nine years has over 600 flights Puffs first Complete Kit-Concept packages last item necessary finish basic aircraft cluded items like tires fuel tank specialized hardware part package add glue radio engine choice final finish youre looking unique experience Pills S~ciat See Local Byron Dealer Today Full Line Byron Kits Accessories Fuels Byron Originals Inc ox 279 Grove IA 51445 12/364-3165 Step Twelve Soak tank alcohol lac quer thinner run hot tap water through tank flush out grindings Step Thirteen Place end tank over piece 005-in brass shim stock pencil outline brass Remove tank scribe outline brass allowing A-in over lap sides solder flaps Cut out end piece Bend flaps position part end tank check fit Remove end piece pretin solder flaps edges tank will mate Put end back tank solder place Start soldering iron corner move iron around tank until smooth fillet formed Clean tank thor oughly both inside out check seams voids pinholes YB jp TL8 3 /AJ , Thee IMS6TEO INTO 8 4 4 P~ 7iee air pickup tube See also Table B nested tubes soldered together plugging solder Step Fourteen Repeat Step Thirteen other end cap tank Step Fifteen Immerse completed tank flux solvent lacquer thinner several hours Slosh tank fluid make sure inte rior tank clean Step Sixteen Check tank leaks con necting fuel pickup overflow tubes piece fuel line Place long piece fuel line air pickup tube Immerse tank ba sin water put free end fuel line mouth blow Look air bub bles escaping forming solder joints tank Rework required Step Seventeen Use bunch elbow grease buffing exterior tank steel wool want look good dont Plug tubes first Step Eighteen Rough up inside speed pan heavy sandpaper plan mount fuel tank Rough up part tank will mate pan similar manner thoroughly clean both tank pan before applying RTV adhesive area Press tank place keep under light pressure RTV sets Any RTV adhesives market will work application RTV -temperature-vulcanizingEd Step Nineteen Form free end air pickup tube away side fuselage Appropriate gaps % hA % B end air pickup tube should positioned faces propeller airflow hope loyal readers enjoyed article takes immense amount work pull such piece together thanks once again Nick Sher help Thats time Please remember gather up bits pieces information photos etc have lying around Mail inclusion CL Speed column CL Racing/Ballard continued page 82 Another photographer Hawks photos event shows two Juniors doing excellent job piloting Theresa Byerly Wesley Mullins weather must have chilly day having fuel shutoffs Mouse Racers definitely subject damage line tangles some other unfortunate incidentoccur have seen several cases engine has started backwards pit stop fact has apparent pitman plane released moved backwards lap two until either engine quit someone man aged capture Such embarrassing incidents could have prevented fuel shutoffs installed extremely important competitor multiple-pilot Racing events have overview activities occurring Obviously must con trol own aircraft behooves him ob serve other pilots enter exit cir cle aware flying styles other pilots will help eliminate confu sion resulting unfortunate crash competitors plane landing home pit ting area secrets flying good race have smooth efficient pitman pho tos shows John McCollum pitting famed McMouse Northwest Regionals Note has plane well stabilized refuels has cord glow plug battery taped arm cant get entangled plane Hes also wearing kneeling pad ease pain kneeling hard surface dur October 1989 183 building flying select Byron Puffs next P/C project--thousands other satisfied customers have detailed InfoPack send $200 Catalogs just $300