U DB Mathews U DO CHIMPS HAVE BACKACHES Ergonomics has become popular term advertising particularly selling automobiles Basically concept involves measurement effort used perform task Ergs measurement energy common usage ergonomics reflects effort maximize comfort seating make instruments easy reach read operate make entry egress convenient minimize expenditure energy needed operate machine So what earth ergonomics have model airplanes As visit other modelers workshops Im struck wide variance shop layout ergonomics Certainly builders very limited space shops folks pretty well stuck what can squeeze available room limited-space situation some tenets ergonomics can applied other hand serious modelers have free-standing shops use parts basements garage space facilities can benefit some ergonomic thinking well old adage states can work hard can work smart seldom both Standing up build sitting inadequate chair scattering building materials tools well away work surface working poor lighting inadequate ventilation examples working hard dumb Another favorite adage Never stand up can sit never sit can lie down never lie down alone Ive practicing dentistry forty years Some older readers can recall time dentists worked standing upsomething doesnt see now started profession could attend dental meeting observe attendees back actually determine whether left- right-handed would have shoulder several inches lower other have definite list side Needless say back problems nearly universal often debilitating profession mid- 1 950s pioneering group dentists began develop methods dentistry could practiced seated dentist earliest supine dental chairs actually converted contour chairs furniture store High-volume saliva evacuators adapted vacuum sweeper parts dentists stools office supply store patron saint dentist told learn work sitting downhed spent entire career fighting back leg shoulder pain no dental stools available clinic floor started seeing patients 1955 50 bought own caused considerable stir among faculty fellow students started treating patients seated Within five years stools dental students An additional benefit has 54 Model Aviation September1995 54 PH Johnsons autogiro Alex Weiss design model Electric Aeronca Defender Bill Caidwell Dallas TX 54features contra-rotating two-bladed rotors K&B power inch-span model powered Leisure LT-50 John Burns Jrs -scale Howard Pete actually highly modified Ace Bingo Model has 60-inch span K&B 61 power discovery higher quality treatment can provided larger quantities practitioners seated comfortably Lets face itskeletal muscle fatigue bound reflected precision whether providing dentistry repairing watches drafting doing arts crafts matter eating Therefore isnt logical should able construct better models longer periods properly seated have efficient shop layout reduce reaching things Ergonomic Workshop Im going have didactic hope will able accept credentials subject workshop stool critical part entire concept new secretarial unit four six casters can purchased less cost engine also used chairs available really inexpensive prices units adjustable seat should set create right angle between thighs back Feet should flat floor knees should slightly higher buttocks knees too low shoulders will get sore theyre too high thighs will hurt adjustable backrest-should midway up spine about lumbar support auto seat casters provide mobility practice can learn push off roll area shop grab things getting up should able reach commonly used tools building materials supplies getting up Once seated properly adjust height building board hue cry about carpal tunnel syndrome everyone sensitive need proper work-surface height ignoring problem proper height will reduce fatigue effort will improve quality increase productivity Surface height function users body dimensions no height fits everyone Basically ones hands should fall onto work surface elbows almost right angles hands uphill about 100 angle Building tables can elaborate custom-made unit built-in adjustable dihedral jigs simple damaged door sawhorses What important surface height relation skeletal muscle system Most tables door top will place surface about 30 inches Thats bad someone 6-feet 3-inches tall like others will much too high Consider cutting off table legs Youll glad did short work surface will hold model off floor recommended height should considered can range paper box small work stand carpet-covered model cradle Something like certainly makes working inside model engine less tedious damaged unfinished odd-lot kitchen cabinets cupboards marvelous storage surface height much too tall seated building However height fine stuff dont have room building board castered chair its easy enough roll over transfer something work surface Metal storage shelves excellent holding smaller tools adhesives level thats easily reached seated stool like keep ball drivers screwdrivers pliers pens pencils files abrasive sticks separated individual one-pound coffee cans metal shelves us wear bifocals table height will present problem close-vision lenses will require tilting neck backwards work far back table top normal anatomical position neck solved problem buying pair safety glasses have close-vision panel normal lower position also top day age deeply discounted fluorescent shop lights really no excuse poor lighting over building board However should careful over-light shop too much light can produce just much eye strain enough two-bulb unit approximately three feet above building surface seems nearly idealthe hanging chains easily adjusted Spring-loaded goose-neck craft lights excellent spotlighting particular area work surface box fan furnace filter taped 56 Model Aviation 3-inch-span Stinson Reliant Jerry Farr Abilene TX eight-pound model features three-color Royal Navy paint scheme ITOR R/C Prodacts Inc MV-i TYPHOON Now choose 3 versions size style class Wing Area 909 Square Inch Wing Span 70 /2 nch Length 68 /2 /4 Inch Advanced technology design precision aerobat ics competition Light weight all-balsa construction plug-in adjustable wing stab panels Detailed plans three different versions Plans 909 Sq Version 2 Sheets $1495 Plans 1000 Sq Version 2 Sheets 1495 Plans 1085 Sq D Version 2 Sheets 61595 Fiberglass Cowl $1995 Clear Canopy $1495 Rib/Former Kit Specify Version$12500 PLUG-IN WING ADJUSTER KITt Two glass-filled nylon brackets used wing panel key wing panel front rear allowing quick accurate adjustment straight flight Complete hardware instructions 2-Pack wing panel $795 4-Pack both wing panels $1295 PLUG-IN ADJUSTABLE STAB KIT Now can optimize stab incidence best flight characteristics pair glass-filled nylon adjusters included provide simple quick micro screw adjustment smaller front stab tube Main tube alloy aluminum matching phenolic socket Complete Package$995 WING TUBE AND SOCKET SETS Aluminum alloy tubing plug-in wings Includes special slip-f phenolic sQckets build wing panels Special lengths order 7/16 dia x 2 ft precision fit sockets$695 5/8 dia x 2 ft precision fit sockets$1095 7/8 dia x 2 ft precision fit sockets$1195 1-1/4 dia x 2 ft$995 1-1/2 dia x 3 ft$149 IfITOR 3713 RIC Prodacts Inc Pompano Drive Pensacola FL 32514 904/494-0203 904/494-0207 VlSAlMasterCard Welcomed $400 per item SAH esidents add 6% Tax intake side circulates air through shop hut also reduces amount balsa dust floating air filter becomes grote its easily replaced An outside source air should present using adhesives paints natural venting possible exhaust fan should ducted outside So Chimps Have Backaches human homo sapiens spinal column actually properly designed standing sitting erect disks designed cushion forces applied column horizontal positionnot applied vertically disks thicker borders center absolutely wrong standing upright other words backs would work better walked fours chimps dont exactly walk fours long arms used support walking move about forwardleaning position carry upper body weight forward vertical axis spinal column walking also never sit desk hours dont drive cars use computers seldom carry heavy objects dont build model airplanes although Ive seen few models made wonder seriously doubt have backaches have no way ask Humans certainly have backaches well foot- leg- thigh- shoulder- elbow- wrist- neckaches Hopefully some ergonomic principles applied model workshops can reduce aches us Something Useful youve found nothing use foregoing let least give building hint Insetting little brass eyelets inside servo grommets can done easily placing eyelet tip ice pick eyelet threaded rubber grommet rotational movement fingernail holds eyelet place ice pick withdrawn neat tricktry An ice pick also useful drilling holes hardware After drilling first hole insert ice pick hold hardware place drill second hole column about flying fun Ive included some photos fun machines first photo shows Howard Pete John Burns Jr Lakeside CA highly modified Ace Bingo John enclosed bare-bones photos model its 60-inch span its -scale Power K&B 61 John says its solid flier autogiro second photo built PH Johnson Walton Hills OH design Alex Weiss published October 1992 issue Britains Radio Control Models Electronics An interesting feature pair contrarotating two-bladed rotors mounted same shaft No collective pitch needed giro flies well K&B Sportster Plans model available Bob Holman Plans see ad issue Ive caused several readers some confusion about Aeronca Defender published April issue Its four-channel sport-utility design ARC Scale Duration model mentioned several columns design will ready publication soon Defender shown electric-powered unit Bill CaIdwell Dallas TX spans 54 inches powered Leisure LT-50 Bill has design developed publication needs some encouragement finish out Stinson Reliant pictured decorated Royal Navy colors spans 83 inches yet weighs eight pounds Builder Jerry Fan Abilene TX said used lots sticks little sheet its construction its like very large stick-and-tissue Rubber Scale model Something will lost black-and-white photo model has teal-blue base color light gray undersurfaces yellow trim Its very pretty model Thats time winds down Lets go fly fun oi Su-26 ~Sport Scale Wng Span 54 Area 520 sq INTI-ILtLenglh 42 58 Model Aviation lage Designed unlradilion ally Ihe circular fuselage made tue piece thin plywood some vacuum turned parts Wing Made loam cure Covered 1/16 Balsa sheels Aerobatics Performance plane made tu have same aerohatic qualilies full scale II can rolls loops spins Inmceuak ntn
Edition: Model Aviation - 1995/09
Page Numbers: 54, 56, 58
U DB Mathews U DO CHIMPS HAVE BACKACHES Ergonomics has become popular term advertising particularly selling automobiles Basically concept involves measurement effort used perform task Ergs measurement energy common usage ergonomics reflects effort maximize comfort seating make instruments easy reach read operate make entry egress convenient minimize expenditure energy needed operate machine So what earth ergonomics have model airplanes As visit other modelers workshops Im struck wide variance shop layout ergonomics Certainly builders very limited space shops folks pretty well stuck what can squeeze available room limited-space situation some tenets ergonomics can applied other hand serious modelers have free-standing shops use parts basements garage space facilities can benefit some ergonomic thinking well old adage states can work hard can work smart seldom both Standing up build sitting inadequate chair scattering building materials tools well away work surface working poor lighting inadequate ventilation examples working hard dumb Another favorite adage Never stand up can sit never sit can lie down never lie down alone Ive practicing dentistry forty years Some older readers can recall time dentists worked standing upsomething doesnt see now started profession could attend dental meeting observe attendees back actually determine whether left- right-handed would have shoulder several inches lower other have definite list side Needless say back problems nearly universal often debilitating profession mid- 1 950s pioneering group dentists began develop methods dentistry could practiced seated dentist earliest supine dental chairs actually converted contour chairs furniture store High-volume saliva evacuators adapted vacuum sweeper parts dentists stools office supply store patron saint dentist told learn work sitting downhed spent entire career fighting back leg shoulder pain no dental stools available clinic floor started seeing patients 1955 50 bought own caused considerable stir among faculty fellow students started treating patients seated Within five years stools dental students An additional benefit has 54 Model Aviation September1995 54 PH Johnsons autogiro Alex Weiss design model Electric Aeronca Defender Bill Caidwell Dallas TX 54features contra-rotating two-bladed rotors K&B power inch-span model powered Leisure LT-50 John Burns Jrs -scale Howard Pete actually highly modified Ace Bingo Model has 60-inch span K&B 61 power discovery higher quality treatment can provided larger quantities practitioners seated comfortably Lets face itskeletal muscle fatigue bound reflected precision whether providing dentistry repairing watches drafting doing arts crafts matter eating Therefore isnt logical should able construct better models longer periods properly seated have efficient shop layout reduce reaching things Ergonomic Workshop Im going have didactic hope will able accept credentials subject workshop stool critical part entire concept new secretarial unit four six casters can purchased less cost engine also used chairs available really inexpensive prices units adjustable seat should set create right angle between thighs back Feet should flat floor knees should slightly higher buttocks knees too low shoulders will get sore theyre too high thighs will hurt adjustable backrest-should midway up spine about lumbar support auto seat casters provide mobility practice can learn push off roll area shop grab things getting up should able reach commonly used tools building materials supplies getting up Once seated properly adjust height building board hue cry about carpal tunnel syndrome everyone sensitive need proper work-surface height ignoring problem proper height will reduce fatigue effort will improve quality increase productivity Surface height function users body dimensions no height fits everyone Basically ones hands should fall onto work surface elbows almost right angles hands uphill about 100 angle Building tables can elaborate custom-made unit built-in adjustable dihedral jigs simple damaged door sawhorses What important surface height relation skeletal muscle system Most tables door top will place surface about 30 inches Thats bad someone 6-feet 3-inches tall like others will much too high Consider cutting off table legs Youll glad did short work surface will hold model off floor recommended height should considered can range paper box small work stand carpet-covered model cradle Something like certainly makes working inside model engine less tedious damaged unfinished odd-lot kitchen cabinets cupboards marvelous storage surface height much too tall seated building However height fine stuff dont have room building board castered chair its easy enough roll over transfer something work surface Metal storage shelves excellent holding smaller tools adhesives level thats easily reached seated stool like keep ball drivers screwdrivers pliers pens pencils files abrasive sticks separated individual one-pound coffee cans metal shelves us wear bifocals table height will present problem close-vision lenses will require tilting neck backwards work far back table top normal anatomical position neck solved problem buying pair safety glasses have close-vision panel normal lower position also top day age deeply discounted fluorescent shop lights really no excuse poor lighting over building board However should careful over-light shop too much light can produce just much eye strain enough two-bulb unit approximately three feet above building surface seems nearly idealthe hanging chains easily adjusted Spring-loaded goose-neck craft lights excellent spotlighting particular area work surface box fan furnace filter taped 56 Model Aviation 3-inch-span Stinson Reliant Jerry Farr Abilene TX eight-pound model features three-color Royal Navy paint scheme ITOR R/C Prodacts Inc MV-i TYPHOON Now choose 3 versions size style class Wing Area 909 Square Inch Wing Span 70 /2 nch Length 68 /2 /4 Inch Advanced technology design precision aerobat ics competition Light weight all-balsa construction plug-in adjustable wing stab panels Detailed plans three different versions Plans 909 Sq Version 2 Sheets $1495 Plans 1000 Sq Version 2 Sheets 1495 Plans 1085 Sq D Version 2 Sheets 61595 Fiberglass Cowl $1995 Clear Canopy $1495 Rib/Former Kit Specify Version$12500 PLUG-IN WING ADJUSTER KITt Two glass-filled nylon brackets used wing panel key wing panel front rear allowing quick accurate adjustment straight flight Complete hardware instructions 2-Pack wing panel $795 4-Pack both wing panels $1295 PLUG-IN ADJUSTABLE STAB KIT Now can optimize stab incidence best flight characteristics pair glass-filled nylon adjusters included provide simple quick micro screw adjustment smaller front stab tube Main tube alloy aluminum matching phenolic socket Complete Package$995 WING TUBE AND SOCKET SETS Aluminum alloy tubing plug-in wings Includes special slip-f phenolic sQckets build wing panels Special lengths order 7/16 dia x 2 ft precision fit sockets$695 5/8 dia x 2 ft precision fit sockets$1095 7/8 dia x 2 ft precision fit sockets$1195 1-1/4 dia x 2 ft$995 1-1/2 dia x 3 ft$149 IfITOR 3713 RIC Prodacts Inc Pompano Drive Pensacola FL 32514 904/494-0203 904/494-0207 VlSAlMasterCard Welcomed $400 per item SAH esidents add 6% Tax intake side circulates air through shop hut also reduces amount balsa dust floating air filter becomes grote its easily replaced An outside source air should present using adhesives paints natural venting possible exhaust fan should ducted outside So Chimps Have Backaches human homo sapiens spinal column actually properly designed standing sitting erect disks designed cushion forces applied column horizontal positionnot applied vertically disks thicker borders center absolutely wrong standing upright other words backs would work better walked fours chimps dont exactly walk fours long arms used support walking move about forwardleaning position carry upper body weight forward vertical axis spinal column walking also never sit desk hours dont drive cars use computers seldom carry heavy objects dont build model airplanes although Ive seen few models made wonder seriously doubt have backaches have no way ask Humans certainly have backaches well foot- leg- thigh- shoulder- elbow- wrist- neckaches Hopefully some ergonomic principles applied model workshops can reduce aches us Something Useful youve found nothing use foregoing let least give building hint Insetting little brass eyelets inside servo grommets can done easily placing eyelet tip ice pick eyelet threaded rubber grommet rotational movement fingernail holds eyelet place ice pick withdrawn neat tricktry An ice pick also useful drilling holes hardware After drilling first hole insert ice pick hold hardware place drill second hole column about flying fun Ive included some photos fun machines first photo shows Howard Pete John Burns Jr Lakeside CA highly modified Ace Bingo John enclosed bare-bones photos model its 60-inch span its -scale Power K&B 61 John says its solid flier autogiro second photo built PH Johnson Walton Hills OH design Alex Weiss published October 1992 issue Britains Radio Control Models Electronics An interesting feature pair contrarotating two-bladed rotors mounted same shaft No collective pitch needed giro flies well K&B Sportster Plans model available Bob Holman Plans see ad issue Ive caused several readers some confusion about Aeronca Defender published April issue Its four-channel sport-utility design ARC Scale Duration model mentioned several columns design will ready publication soon Defender shown electric-powered unit Bill CaIdwell Dallas TX spans 54 inches powered Leisure LT-50 Bill has design developed publication needs some encouragement finish out Stinson Reliant pictured decorated Royal Navy colors spans 83 inches yet weighs eight pounds Builder Jerry Fan Abilene TX said used lots sticks little sheet its construction its like very large stick-and-tissue Rubber Scale model Something will lost black-and-white photo model has teal-blue base color light gray undersurfaces yellow trim Its very pretty model Thats time winds down Lets go fly fun oi Su-26 ~Sport Scale Wng Span 54 Area 520 sq INTI-ILtLenglh 42 58 Model Aviation lage Designed unlradilion ally Ihe circular fuselage made tue piece thin plywood some vacuum turned parts Wing Made loam cure Covered 1/16 Balsa sheels Aerobatics Performance plane made tu have same aerohatic qualilies full scale II can rolls loops spins Inmceuak ntn
Edition: Model Aviation - 1995/09
Page Numbers: 54, 56, 58
U DB Mathews U DO CHIMPS HAVE BACKACHES Ergonomics has become popular term advertising particularly selling automobiles Basically concept involves measurement effort used perform task Ergs measurement energy common usage ergonomics reflects effort maximize comfort seating make instruments easy reach read operate make entry egress convenient minimize expenditure energy needed operate machine So what earth ergonomics have model airplanes As visit other modelers workshops Im struck wide variance shop layout ergonomics Certainly builders very limited space shops folks pretty well stuck what can squeeze available room limited-space situation some tenets ergonomics can applied other hand serious modelers have free-standing shops use parts basements garage space facilities can benefit some ergonomic thinking well old adage states can work hard can work smart seldom both Standing up build sitting inadequate chair scattering building materials tools well away work surface working poor lighting inadequate ventilation examples working hard dumb Another favorite adage Never stand up can sit never sit can lie down never lie down alone Ive practicing dentistry forty years Some older readers can recall time dentists worked standing upsomething doesnt see now started profession could attend dental meeting observe attendees back actually determine whether left- right-handed would have shoulder several inches lower other have definite list side Needless say back problems nearly universal often debilitating profession mid- 1 950s pioneering group dentists began develop methods dentistry could practiced seated dentist earliest supine dental chairs actually converted contour chairs furniture store High-volume saliva evacuators adapted vacuum sweeper parts dentists stools office supply store patron saint dentist told learn work sitting downhed spent entire career fighting back leg shoulder pain no dental stools available clinic floor started seeing patients 1955 50 bought own caused considerable stir among faculty fellow students started treating patients seated Within five years stools dental students An additional benefit has 54 Model Aviation September1995 54 PH Johnsons autogiro Alex Weiss design model Electric Aeronca Defender Bill Caidwell Dallas TX 54features contra-rotating two-bladed rotors K&B power inch-span model powered Leisure LT-50 John Burns Jrs -scale Howard Pete actually highly modified Ace Bingo Model has 60-inch span K&B 61 power discovery higher quality treatment can provided larger quantities practitioners seated comfortably Lets face itskeletal muscle fatigue bound reflected precision whether providing dentistry repairing watches drafting doing arts crafts matter eating Therefore isnt logical should able construct better models longer periods properly seated have efficient shop layout reduce reaching things Ergonomic Workshop Im going have didactic hope will able accept credentials subject workshop stool critical part entire concept new secretarial unit four six casters can purchased less cost engine also used chairs available really inexpensive prices units adjustable seat should set create right angle between thighs back Feet should flat floor knees should slightly higher buttocks knees too low shoulders will get sore theyre too high thighs will hurt adjustable backrest-should midway up spine about lumbar support auto seat casters provide mobility practice can learn push off roll area shop grab things getting up should able reach commonly used tools building materials supplies getting up Once seated properly adjust height building board hue cry about carpal tunnel syndrome everyone sensitive need proper work-surface height ignoring problem proper height will reduce fatigue effort will improve quality increase productivity Surface height function users body dimensions no height fits everyone Basically ones hands should fall onto work surface elbows almost right angles hands uphill about 100 angle Building tables can elaborate custom-made unit built-in adjustable dihedral jigs simple damaged door sawhorses What important surface height relation skeletal muscle system Most tables door top will place surface about 30 inches Thats bad someone 6-feet 3-inches tall like others will much too high Consider cutting off table legs Youll glad did short work surface will hold model off floor recommended height should considered can range paper box small work stand carpet-covered model cradle Something like certainly makes working inside model engine less tedious damaged unfinished odd-lot kitchen cabinets cupboards marvelous storage surface height much too tall seated building However height fine stuff dont have room building board castered chair its easy enough roll over transfer something work surface Metal storage shelves excellent holding smaller tools adhesives level thats easily reached seated stool like keep ball drivers screwdrivers pliers pens pencils files abrasive sticks separated individual one-pound coffee cans metal shelves us wear bifocals table height will present problem close-vision lenses will require tilting neck backwards work far back table top normal anatomical position neck solved problem buying pair safety glasses have close-vision panel normal lower position also top day age deeply discounted fluorescent shop lights really no excuse poor lighting over building board However should careful over-light shop too much light can produce just much eye strain enough two-bulb unit approximately three feet above building surface seems nearly idealthe hanging chains easily adjusted Spring-loaded goose-neck craft lights excellent spotlighting particular area work surface box fan furnace filter taped 56 Model Aviation 3-inch-span Stinson Reliant Jerry Farr Abilene TX eight-pound model features three-color Royal Navy paint scheme ITOR R/C Prodacts Inc MV-i TYPHOON Now choose 3 versions size style class Wing Area 909 Square Inch Wing Span 70 /2 nch Length 68 /2 /4 Inch Advanced technology design precision aerobat ics competition Light weight all-balsa construction plug-in adjustable wing stab panels Detailed plans three different versions Plans 909 Sq Version 2 Sheets $1495 Plans 1000 Sq Version 2 Sheets 1495 Plans 1085 Sq D Version 2 Sheets 61595 Fiberglass Cowl $1995 Clear Canopy $1495 Rib/Former Kit Specify Version$12500 PLUG-IN WING ADJUSTER KITt Two glass-filled nylon brackets used wing panel key wing panel front rear allowing quick accurate adjustment straight flight Complete hardware instructions 2-Pack wing panel $795 4-Pack both wing panels $1295 PLUG-IN ADJUSTABLE STAB KIT Now can optimize stab incidence best flight characteristics pair glass-filled nylon adjusters included provide simple quick micro screw adjustment smaller front stab tube Main tube alloy aluminum matching phenolic socket Complete Package$995 WING TUBE AND SOCKET SETS Aluminum alloy tubing plug-in wings Includes special slip-f phenolic sQckets build wing panels Special lengths order 7/16 dia x 2 ft precision fit sockets$695 5/8 dia x 2 ft precision fit sockets$1095 7/8 dia x 2 ft precision fit sockets$1195 1-1/4 dia x 2 ft$995 1-1/2 dia x 3 ft$149 IfITOR 3713 RIC Prodacts Inc Pompano Drive Pensacola FL 32514 904/494-0203 904/494-0207 VlSAlMasterCard Welcomed $400 per item SAH esidents add 6% Tax intake side circulates air through shop hut also reduces amount balsa dust floating air filter becomes grote its easily replaced An outside source air should present using adhesives paints natural venting possible exhaust fan should ducted outside So Chimps Have Backaches human homo sapiens spinal column actually properly designed standing sitting erect disks designed cushion forces applied column horizontal positionnot applied vertically disks thicker borders center absolutely wrong standing upright other words backs would work better walked fours chimps dont exactly walk fours long arms used support walking move about forwardleaning position carry upper body weight forward vertical axis spinal column walking also never sit desk hours dont drive cars use computers seldom carry heavy objects dont build model airplanes although Ive seen few models made wonder seriously doubt have backaches have no way ask Humans certainly have backaches well foot- leg- thigh- shoulder- elbow- wrist- neckaches Hopefully some ergonomic principles applied model workshops can reduce aches us Something Useful youve found nothing use foregoing let least give building hint Insetting little brass eyelets inside servo grommets can done easily placing eyelet tip ice pick eyelet threaded rubber grommet rotational movement fingernail holds eyelet place ice pick withdrawn neat tricktry An ice pick also useful drilling holes hardware After drilling first hole insert ice pick hold hardware place drill second hole column about flying fun Ive included some photos fun machines first photo shows Howard Pete John Burns Jr Lakeside CA highly modified Ace Bingo John enclosed bare-bones photos model its 60-inch span its -scale Power K&B 61 John says its solid flier autogiro second photo built PH Johnson Walton Hills OH design Alex Weiss published October 1992 issue Britains Radio Control Models Electronics An interesting feature pair contrarotating two-bladed rotors mounted same shaft No collective pitch needed giro flies well K&B Sportster Plans model available Bob Holman Plans see ad issue Ive caused several readers some confusion about Aeronca Defender published April issue Its four-channel sport-utility design ARC Scale Duration model mentioned several columns design will ready publication soon Defender shown electric-powered unit Bill CaIdwell Dallas TX spans 54 inches powered Leisure LT-50 Bill has design developed publication needs some encouragement finish out Stinson Reliant pictured decorated Royal Navy colors spans 83 inches yet weighs eight pounds Builder Jerry Fan Abilene TX said used lots sticks little sheet its construction its like very large stick-and-tissue Rubber Scale model Something will lost black-and-white photo model has teal-blue base color light gray undersurfaces yellow trim Its very pretty model Thats time winds down Lets go fly fun oi Su-26 ~Sport Scale Wng Span 54 Area 520 sq INTI-ILtLenglh 42 58 Model Aviation lage Designed unlradilion ally Ihe circular fuselage made tue piece thin plywood some vacuum turned parts Wing Made loam cure Covered 1/16 Balsa sheels Aerobatics Performance plane made tu have same aerohatic qualilies full scale II can rolls loops spins Inmceuak ntn