I %AFETY COM ES FIRST Safety CLcircle warning storing diesel fuel thoughts pull-testing untyp ical CL models John Preston BACK October 1980 issue Model Aviation discussed safety CL circle column published letter Larry Miles Mission KS suggested should publish some Thasic dos donts re garding CL flying Since currently active CL asked help readers Well received almost immediate response Larry such list Its since receipt Larrys letter tips going reaching just about time lot people will gearing up new seasons flying Although originally intended CL fliers lot Larrys tips apply equally operation FF RC engine-powered models 1 On single-wheel models make sure outboard wing tip pointed groundward takeoff give maximum control line clearance respect ground models launchers should make visual check control lines prior releasing model should done concrete surfaces occasionally lines get caught cracks problem multiplied grass fields Jack Finkenthal pointed out October80 issue 2 Make sure spectators clear prop wash Considerable dirt dust small pieces gravel can blown peoples eyes 3 Always disconnect glow plug battery giving engine exhaust-port prime doing invitation start fire wipe up spilled fuel immediately whether plane engine pavement Occasion ally external fire will start tryingto start engine fuel burn 4 Prior release model launcher should glance line connectors infre quently become jammed causing shortening both lines perhaps resulting crash jam becomes free flight 5 Point nose model few degrees outside circle launch Too little may cause plane come pilot Too much may cause plane jolt against end lines again come pilot 6 Beginners should always take off downwind wind will help keep lines taught until final airspeed reached 7 Place support equipment outside flying circle 8 Be alert wanderings spectators particular young children will sometimes roam flying circle oblivious danger 9 Use starter stick heavy leather glove other finger protector will eliminate problem depicted emblem identifies column 10 Use preferred method terminating control lines shown AMA rule book figure 3 page 16 [See October 80 safety column additional hints JDP 11 Be alert wanderings spectators pit area Flying lines laid out ground hard see Preferably roped-off area should used models lines air 12 After exhaust-port prime grip prop firmly turn engine over couple oftimes happen put too much fuel cylinder immediately try start engine apt get predetonation possibility also exists hydraulic lock perhaps damage plane twisting Out hands helper METAL CLIPS WIRE LOOPS Figure 1 type control line connector clip subjectto jamming shown Have helper check before launching 13 Line clips variety shown figure 1 can become temporarily jammed together can occur installations lines exit wing very close together such case preferable clip would type shown figure 2 [Staggering line clips would appear solve problem jamming would require control lines slightly differing length JD P1 14 Follow manufacturers instructions regard ing props Boil Top Flite nylon props [Note unreinforced white nylon props no longer manufactured JDP j Sand edges fiber-filled variety props Check props Figure 2 type line connector subject jamming like Figure 1 regularly always after rough landing time believe tip may have contacted ground Look hairline cracks Remove spinners check damage hub 15 Use neoprene tubing diesel fuels fuel will damage silicone surgical rubber plastic tubing may also damage rubber components used some tanks fuel pumps syringes [See additional caution use diesel fuel later JDP] 16 Regularly check engine mounting bolts nuts ensure remain tight 17 Wedge-shaped shims run full length engine mounting lugs preferred washers achieving engine offset Engine vibration has known break mount ing bolts less likely occur using fullFIG 1length shims washers 18 Filter fuel comes can tankor both An engine failure models nose pointing upwards can easily result destroyed modelor injury personif pilot tries regain control model running out center flight circle would like thank Larry 18 tips improve safety CLand otherenginepowered model operation Note No 14 Larry mentions checking props have contacted ground back letter Doug Dahlke Oshkosh WI contained photographs account competition flight made after prop hit ground As Dougs model taking off hit pothole runway addition losing about -in off tip prop hub severely fractured Despite some vibration Doug permitted continue flight won event photo graphs show model appeared conclusion flight extent damage prop after removed Perhaps Continued page 126 62 Model Aviation 4zW WIAEN WAS ThE LAST TIAE WE C4ECKF ThOSE MOUNTING 130LTh C4ARLE INDIAN CITY RADIO CONTROL CLUB PRESENTS GREATER MICHIGAN MODELERS SHOW & EXPO Ill PLANESBOATSCARS MANuFACTURERS-STATIC DISPLAYS-SWAP SHOP October 234 1981 West Eight Mile Artillery Armory Oak Park Michigan end boom sandpaper take special pains see accurately installed aligned wing wires can installed after pod has smoothed contour Likewise dihedral angle can bent after wires place addition sheet rudder tail boom readies Sir Rodney its first flight Flight trimming Generally speaking tow hook center-of-gravity CG locations shown plans should work well some overall guidelines need spelled out tow Sir Rodney wants peel off side other tow hook probably too far back slight tendency diverge tow maybe corrected rudder however ship seems wag side side hook too far forward its necessary really sprint get plane top line CG needs moved forward glide retrimmed shimming stabilizer Note plan shows straight-tow configurations appropriate cavities accepting Hatschek tow hook its accompanying line rudder youve built ship circle-tow mode youll need stand grass several inches deep slight breeze After get model tow top line begin adjusting tow circle rudder deflection Too large circle model will want pull ground downwind turn Too tight circle will spiral slack line zoom-launch critical maneuver launch position rudder gives model start its turn rudder returns glide position glide setting too tight ship will go directly zoom-launch tight high-speed spiral ultimately youll need couple B and-Aids Sir Rodneys bulbous nose little time patience Sir Rodney will flying well whether youve selected straighttow circle-tow version Safety Preston Continued page 62 would have prudent terminate flight immediately after contact ground can CL Stunter equipped throttle control subject explosion potential diesel fuel have heard story two sources about storing diesel fuel refriger ator reduce chance evaporation its ether component Let us state once never store diesel fuel refrigerator fact dont recommend storing anywhere house ether contains gives 126 Model Aviation Introducing . Walt Schoonards Fabulous Pitch Guage . RIC Helicopters Precise Static Pitch Setting Symetrical Semi-Symetrical Flat Bottom Right Left Rotation Inverted Set-up Unique Blade Attachment Insures Precise Alignment Available from$1995 Dealer Inquiries Invited plus shipping 2594 North Orange Blossom Trail ndo Florida 32804 305-422-1531 305-647-1335 STOP PROP BRAKES /2A ATD Brake Kit no 101 $275 H F0R FAI CAB Brake Kit no 102 $325 MRGUSI used Kit no 102 BCBrake Kit no 103$375 1 ea size $8503 FAI size $850 Adaptor Cox 15 kIt no 107 $150 K&W ENTERPRISES7824 Lexington Ave OOt CO IJC PA Residents Add 6% Sales Tax Philadelphia Penna 19152j explosion potential similar gasoline know several incidents people blowing themselves up using gasoline houses Would believe trying get rid oil grease stains pair trousers washing gasoline washing machine Yes did happen pilot light furnace ensured wont happen person again give diesel fuel same respect person normal intelligence gives gasoline shouldnt have problems final topic discussion wind up column CL safety concerns pull-testing lines attachment model letter Johnnie Smith ofMassillon OH raises question wisdom basing pull test force entire weight model weight together bellcrank wing Johnnie professional model builder has diversified interest modeling includ ing CL Scale models currently about 60% through work involved building Ford Trimotor will powered three Wankels rWh think retracts. THINK USE No 14111 inch best results use STUFF Sel Adhesive Sheet Sandpaper No glue No drying time Ideal tor special sanding shapes Adheres materials 9sl t sheets Choice ot Medium Fine Super Fine 66 Ga APPLIED DESIGN CORP Penn Street egundo CA 90245 May1981 127 prop flew CL Stunter first place condition model hit pot hole takeoff engine kept right churning Now see whyyou should inspect props once glass prop might have lots cracks hub area such event No 14222 inch $325 OCK THE L FOR GLOW PLUG CONNECTORS US PATCHECK THESE FEATURES 1 Push twist Its lacked u Still $2952 Push twist Its off 3WIII come ff veder heevy favritewgIu vibration 4WIII sot hobby dealer nor evathPe wntv r*ect d4 SOW SI outride U t stat S Pasotow spriag catct 3O inch lead wire MODEL PRODUCTS CORP BOX 314 PomptonPtainsNJ07444 ALL NEW 2~D 40-60 PLANESSCALE DOCUMENTATION PAINT STANDSCALE DRAWINGSPHOTOS BOOKLETS Ultra light durable stands holding fuselage RUSH MODEL PRODUCTSIINTERNATIONAL wing whil painting holding plane up off ginned tuning engine pits / Scale Astro stands also Write callJREPLATECH 1931 3242 West Cactus Road Pbmsix AZ 650290 662 H3-2115 CATALOGS $200 48600 MCKENZIE HWY DEALER INtIUINIES INVITED IVICA OREGON 87429 Read question Getting back tn-motor think have come up problem Scale builders twins have trying cope years problem building wingto-fuselage structure scale will still take high pull-test required area Since pull-test determined entire weight model wing attachment point must take total pull though may have bellcrank wing itself plus fact wing-engine combination may 60-70% total weight model fuselage remaining 30-40% fore 30-40% flight G-load wing-fuselage joint still pull have build fuselage take entire 100% area may earth-shaking problem people just thought has kicking around head long time nothing else should bring out few calculators check thoughts have some thoughts subject being active CL flier Im going button zip lip until see what comes readers about guys Any CL Scale enthusiasts care comment pull-test Ford Trimotor realistically check its structural integrity Mike Gretz Dick Byron reading Until next month think safety dont wash pants gasoline John Preston c/o Model Aviation 815 FW teenth St N W Washington DC 20005 SAFE FLYING IS NO ACCIDENT Neighbors/Kempf Continued page 65 loud expected person make sure invite property owner Hes now confident going wreck land become communi ty nuisance wont have worry about losing permission use property Its always pleasant afternoon everyone results genuine respect activities flying-field neighbors know exactly what noise hear also know members personally assured bunch radicals Most important someday person didnt attend event should complain about club someone can count support person knows us will probably say ought go over watch fly Its interesting theyre nice group people keeps anti-noise petitions circulat ing goes long way toward fending off complaints Well have third open house year probably people attending Wed spring forfifty cases Coke kind results get Letters Editor Continued page 8 before knew shipped Perhaps museum could supply photos Sailplane buffs might interested David R Busby Spartan School Aeronautics Tulsa OK contacted Air Force Museum see might have picture TG-3 restored Spartan buta responsefmm RE Baughman Chief Public Affairs Div says havent yet chance get together outdoor photography after will disassembled taken museum ceiling suspen sion Concerning photos documentation Mr Baughman say checking Research Divison have pictures XTG-3 TG-3 TG-3A have no drawings have structural repair erection ma tenance pilots manual TG-3A further advised pilots manual consists ofl6 pages structural repair manual 25 pages erection maintenance manual 30 pages could copied requesters cost 13 cents per page addressDepartment oftheAirForce Air Force Museum Wright-Patterson AFB OH 45433 Aerobile Plans need set plans published 1970# 1102 Aerobile still available please send L Vance letter came address unable respond hope Mr Vance reads Apparently plan originally published American Modeler went bust 1975 AM plans taken over RC Sportsman after going through two new owners publication latter also ceased have no knowledge availability old plans originally either American Modeler RC Sportsman someone can provide us current information vailability offull-sizeplansfrom magazines 128 Model Aviation
Edition: Model Aviation - 1981/05
Page Numbers: 62, 126, 127, 128
I %AFETY COM ES FIRST Safety CLcircle warning storing diesel fuel thoughts pull-testing untyp ical CL models John Preston BACK October 1980 issue Model Aviation discussed safety CL circle column published letter Larry Miles Mission KS suggested should publish some Thasic dos donts re garding CL flying Since currently active CL asked help readers Well received almost immediate response Larry such list Its since receipt Larrys letter tips going reaching just about time lot people will gearing up new seasons flying Although originally intended CL fliers lot Larrys tips apply equally operation FF RC engine-powered models 1 On single-wheel models make sure outboard wing tip pointed groundward takeoff give maximum control line clearance respect ground models launchers should make visual check control lines prior releasing model should done concrete surfaces occasionally lines get caught cracks problem multiplied grass fields Jack Finkenthal pointed out October80 issue 2 Make sure spectators clear prop wash Considerable dirt dust small pieces gravel can blown peoples eyes 3 Always disconnect glow plug battery giving engine exhaust-port prime doing invitation start fire wipe up spilled fuel immediately whether plane engine pavement Occasion ally external fire will start tryingto start engine fuel burn 4 Prior release model launcher should glance line connectors infre quently become jammed causing shortening both lines perhaps resulting crash jam becomes free flight 5 Point nose model few degrees outside circle launch Too little may cause plane come pilot Too much may cause plane jolt against end lines again come pilot 6 Beginners should always take off downwind wind will help keep lines taught until final airspeed reached 7 Place support equipment outside flying circle 8 Be alert wanderings spectators particular young children will sometimes roam flying circle oblivious danger 9 Use starter stick heavy leather glove other finger protector will eliminate problem depicted emblem identifies column 10 Use preferred method terminating control lines shown AMA rule book figure 3 page 16 [See October 80 safety column additional hints JDP 11 Be alert wanderings spectators pit area Flying lines laid out ground hard see Preferably roped-off area should used models lines air 12 After exhaust-port prime grip prop firmly turn engine over couple oftimes happen put too much fuel cylinder immediately try start engine apt get predetonation possibility also exists hydraulic lock perhaps damage plane twisting Out hands helper METAL CLIPS WIRE LOOPS Figure 1 type control line connector clip subjectto jamming shown Have helper check before launching 13 Line clips variety shown figure 1 can become temporarily jammed together can occur installations lines exit wing very close together such case preferable clip would type shown figure 2 [Staggering line clips would appear solve problem jamming would require control lines slightly differing length JD P1 14 Follow manufacturers instructions regard ing props Boil Top Flite nylon props [Note unreinforced white nylon props no longer manufactured JDP j Sand edges fiber-filled variety props Check props Figure 2 type line connector subject jamming like Figure 1 regularly always after rough landing time believe tip may have contacted ground Look hairline cracks Remove spinners check damage hub 15 Use neoprene tubing diesel fuels fuel will damage silicone surgical rubber plastic tubing may also damage rubber components used some tanks fuel pumps syringes [See additional caution use diesel fuel later JDP] 16 Regularly check engine mounting bolts nuts ensure remain tight 17 Wedge-shaped shims run full length engine mounting lugs preferred washers achieving engine offset Engine vibration has known break mount ing bolts less likely occur using fullFIG 1length shims washers 18 Filter fuel comes can tankor both An engine failure models nose pointing upwards can easily result destroyed modelor injury personif pilot tries regain control model running out center flight circle would like thank Larry 18 tips improve safety CLand otherenginepowered model operation Note No 14 Larry mentions checking props have contacted ground back letter Doug Dahlke Oshkosh WI contained photographs account competition flight made after prop hit ground As Dougs model taking off hit pothole runway addition losing about -in off tip prop hub severely fractured Despite some vibration Doug permitted continue flight won event photo graphs show model appeared conclusion flight extent damage prop after removed Perhaps Continued page 126 62 Model Aviation 4zW WIAEN WAS ThE LAST TIAE WE C4ECKF ThOSE MOUNTING 130LTh C4ARLE INDIAN CITY RADIO CONTROL CLUB PRESENTS GREATER MICHIGAN MODELERS SHOW & EXPO Ill PLANESBOATSCARS MANuFACTURERS-STATIC DISPLAYS-SWAP SHOP October 234 1981 West Eight Mile Artillery Armory Oak Park Michigan end boom sandpaper take special pains see accurately installed aligned wing wires can installed after pod has smoothed contour Likewise dihedral angle can bent after wires place addition sheet rudder tail boom readies Sir Rodney its first flight Flight trimming Generally speaking tow hook center-of-gravity CG locations shown plans should work well some overall guidelines need spelled out tow Sir Rodney wants peel off side other tow hook probably too far back slight tendency diverge tow maybe corrected rudder however ship seems wag side side hook too far forward its necessary really sprint get plane top line CG needs moved forward glide retrimmed shimming stabilizer Note plan shows straight-tow configurations appropriate cavities accepting Hatschek tow hook its accompanying line rudder youve built ship circle-tow mode youll need stand grass several inches deep slight breeze After get model tow top line begin adjusting tow circle rudder deflection Too large circle model will want pull ground downwind turn Too tight circle will spiral slack line zoom-launch critical maneuver launch position rudder gives model start its turn rudder returns glide position glide setting too tight ship will go directly zoom-launch tight high-speed spiral ultimately youll need couple B and-Aids Sir Rodneys bulbous nose little time patience Sir Rodney will flying well whether youve selected straighttow circle-tow version Safety Preston Continued page 62 would have prudent terminate flight immediately after contact ground can CL Stunter equipped throttle control subject explosion potential diesel fuel have heard story two sources about storing diesel fuel refriger ator reduce chance evaporation its ether component Let us state once never store diesel fuel refrigerator fact dont recommend storing anywhere house ether contains gives 126 Model Aviation Introducing . Walt Schoonards Fabulous Pitch Guage . RIC Helicopters Precise Static Pitch Setting Symetrical Semi-Symetrical Flat Bottom Right Left Rotation Inverted Set-up Unique Blade Attachment Insures Precise Alignment Available from$1995 Dealer Inquiries Invited plus shipping 2594 North Orange Blossom Trail ndo Florida 32804 305-422-1531 305-647-1335 STOP PROP BRAKES /2A ATD Brake Kit no 101 $275 H F0R FAI CAB Brake Kit no 102 $325 MRGUSI used Kit no 102 BCBrake Kit no 103$375 1 ea size $8503 FAI size $850 Adaptor Cox 15 kIt no 107 $150 K&W ENTERPRISES7824 Lexington Ave OOt CO IJC PA Residents Add 6% Sales Tax Philadelphia Penna 19152j explosion potential similar gasoline know several incidents people blowing themselves up using gasoline houses Would believe trying get rid oil grease stains pair trousers washing gasoline washing machine Yes did happen pilot light furnace ensured wont happen person again give diesel fuel same respect person normal intelligence gives gasoline shouldnt have problems final topic discussion wind up column CL safety concerns pull-testing lines attachment model letter Johnnie Smith ofMassillon OH raises question wisdom basing pull test force entire weight model weight together bellcrank wing Johnnie professional model builder has diversified interest modeling includ ing CL Scale models currently about 60% through work involved building Ford Trimotor will powered three Wankels rWh think retracts. THINK USE No 14111 inch best results use STUFF Sel Adhesive Sheet Sandpaper No glue No drying time Ideal tor special sanding shapes Adheres materials 9sl t sheets Choice ot Medium Fine Super Fine 66 Ga APPLIED DESIGN CORP Penn Street egundo CA 90245 May1981 127 prop flew CL Stunter first place condition model hit pot hole takeoff engine kept right churning Now see whyyou should inspect props once glass prop might have lots cracks hub area such event No 14222 inch $325 OCK THE L FOR GLOW PLUG CONNECTORS US PATCHECK THESE FEATURES 1 Push twist Its lacked u Still $2952 Push twist Its off 3WIII come ff veder heevy favritewgIu vibration 4WIII sot hobby dealer nor evathPe wntv r*ect d4 SOW SI outride U t stat S Pasotow spriag catct 3O inch lead wire MODEL PRODUCTS CORP BOX 314 PomptonPtainsNJ07444 ALL NEW 2~D 40-60 PLANESSCALE DOCUMENTATION PAINT STANDSCALE DRAWINGSPHOTOS BOOKLETS Ultra light durable stands holding fuselage RUSH MODEL PRODUCTSIINTERNATIONAL wing whil painting holding plane up off ginned tuning engine pits / Scale Astro stands also Write callJREPLATECH 1931 3242 West Cactus Road Pbmsix AZ 650290 662 H3-2115 CATALOGS $200 48600 MCKENZIE HWY DEALER INtIUINIES INVITED IVICA OREGON 87429 Read question Getting back tn-motor think have come up problem Scale builders twins have trying cope years problem building wingto-fuselage structure scale will still take high pull-test required area Since pull-test determined entire weight model wing attachment point must take total pull though may have bellcrank wing itself plus fact wing-engine combination may 60-70% total weight model fuselage remaining 30-40% fore 30-40% flight G-load wing-fuselage joint still pull have build fuselage take entire 100% area may earth-shaking problem people just thought has kicking around head long time nothing else should bring out few calculators check thoughts have some thoughts subject being active CL flier Im going button zip lip until see what comes readers about guys Any CL Scale enthusiasts care comment pull-test Ford Trimotor realistically check its structural integrity Mike Gretz Dick Byron reading Until next month think safety dont wash pants gasoline John Preston c/o Model Aviation 815 FW teenth St N W Washington DC 20005 SAFE FLYING IS NO ACCIDENT Neighbors/Kempf Continued page 65 loud expected person make sure invite property owner Hes now confident going wreck land become communi ty nuisance wont have worry about losing permission use property Its always pleasant afternoon everyone results genuine respect activities flying-field neighbors know exactly what noise hear also know members personally assured bunch radicals Most important someday person didnt attend event should complain about club someone can count support person knows us will probably say ought go over watch fly Its interesting theyre nice group people keeps anti-noise petitions circulat ing goes long way toward fending off complaints Well have third open house year probably people attending Wed spring forfifty cases Coke kind results get Letters Editor Continued page 8 before knew shipped Perhaps museum could supply photos Sailplane buffs might interested David R Busby Spartan School Aeronautics Tulsa OK contacted Air Force Museum see might have picture TG-3 restored Spartan buta responsefmm RE Baughman Chief Public Affairs Div says havent yet chance get together outdoor photography after will disassembled taken museum ceiling suspen sion Concerning photos documentation Mr Baughman say checking Research Divison have pictures XTG-3 TG-3 TG-3A have no drawings have structural repair erection ma tenance pilots manual TG-3A further advised pilots manual consists ofl6 pages structural repair manual 25 pages erection maintenance manual 30 pages could copied requesters cost 13 cents per page addressDepartment oftheAirForce Air Force Museum Wright-Patterson AFB OH 45433 Aerobile Plans need set plans published 1970# 1102 Aerobile still available please send L Vance letter came address unable respond hope Mr Vance reads Apparently plan originally published American Modeler went bust 1975 AM plans taken over RC Sportsman after going through two new owners publication latter also ceased have no knowledge availability old plans originally either American Modeler RC Sportsman someone can provide us current information vailability offull-sizeplansfrom magazines 128 Model Aviation
Edition: Model Aviation - 1981/05
Page Numbers: 62, 126, 127, 128
I %AFETY COM ES FIRST Safety CLcircle warning storing diesel fuel thoughts pull-testing untyp ical CL models John Preston BACK October 1980 issue Model Aviation discussed safety CL circle column published letter Larry Miles Mission KS suggested should publish some Thasic dos donts re garding CL flying Since currently active CL asked help readers Well received almost immediate response Larry such list Its since receipt Larrys letter tips going reaching just about time lot people will gearing up new seasons flying Although originally intended CL fliers lot Larrys tips apply equally operation FF RC engine-powered models 1 On single-wheel models make sure outboard wing tip pointed groundward takeoff give maximum control line clearance respect ground models launchers should make visual check control lines prior releasing model should done concrete surfaces occasionally lines get caught cracks problem multiplied grass fields Jack Finkenthal pointed out October80 issue 2 Make sure spectators clear prop wash Considerable dirt dust small pieces gravel can blown peoples eyes 3 Always disconnect glow plug battery giving engine exhaust-port prime doing invitation start fire wipe up spilled fuel immediately whether plane engine pavement Occasion ally external fire will start tryingto start engine fuel burn 4 Prior release model launcher should glance line connectors infre quently become jammed causing shortening both lines perhaps resulting crash jam becomes free flight 5 Point nose model few degrees outside circle launch Too little may cause plane come pilot Too much may cause plane jolt against end lines again come pilot 6 Beginners should always take off downwind wind will help keep lines taught until final airspeed reached 7 Place support equipment outside flying circle 8 Be alert wanderings spectators particular young children will sometimes roam flying circle oblivious danger 9 Use starter stick heavy leather glove other finger protector will eliminate problem depicted emblem identifies column 10 Use preferred method terminating control lines shown AMA rule book figure 3 page 16 [See October 80 safety column additional hints JDP 11 Be alert wanderings spectators pit area Flying lines laid out ground hard see Preferably roped-off area should used models lines air 12 After exhaust-port prime grip prop firmly turn engine over couple oftimes happen put too much fuel cylinder immediately try start engine apt get predetonation possibility also exists hydraulic lock perhaps damage plane twisting Out hands helper METAL CLIPS WIRE LOOPS Figure 1 type control line connector clip subjectto jamming shown Have helper check before launching 13 Line clips variety shown figure 1 can become temporarily jammed together can occur installations lines exit wing very close together such case preferable clip would type shown figure 2 [Staggering line clips would appear solve problem jamming would require control lines slightly differing length JD P1 14 Follow manufacturers instructions regard ing props Boil Top Flite nylon props [Note unreinforced white nylon props no longer manufactured JDP j Sand edges fiber-filled variety props Check props Figure 2 type line connector subject jamming like Figure 1 regularly always after rough landing time believe tip may have contacted ground Look hairline cracks Remove spinners check damage hub 15 Use neoprene tubing diesel fuels fuel will damage silicone surgical rubber plastic tubing may also damage rubber components used some tanks fuel pumps syringes [See additional caution use diesel fuel later JDP] 16 Regularly check engine mounting bolts nuts ensure remain tight 17 Wedge-shaped shims run full length engine mounting lugs preferred washers achieving engine offset Engine vibration has known break mount ing bolts less likely occur using fullFIG 1length shims washers 18 Filter fuel comes can tankor both An engine failure models nose pointing upwards can easily result destroyed modelor injury personif pilot tries regain control model running out center flight circle would like thank Larry 18 tips improve safety CLand otherenginepowered model operation Note No 14 Larry mentions checking props have contacted ground back letter Doug Dahlke Oshkosh WI contained photographs account competition flight made after prop hit ground As Dougs model taking off hit pothole runway addition losing about -in off tip prop hub severely fractured Despite some vibration Doug permitted continue flight won event photo graphs show model appeared conclusion flight extent damage prop after removed Perhaps Continued page 126 62 Model Aviation 4zW WIAEN WAS ThE LAST TIAE WE C4ECKF ThOSE MOUNTING 130LTh C4ARLE INDIAN CITY RADIO CONTROL CLUB PRESENTS GREATER MICHIGAN MODELERS SHOW & EXPO Ill PLANESBOATSCARS MANuFACTURERS-STATIC DISPLAYS-SWAP SHOP October 234 1981 West Eight Mile Artillery Armory Oak Park Michigan end boom sandpaper take special pains see accurately installed aligned wing wires can installed after pod has smoothed contour Likewise dihedral angle can bent after wires place addition sheet rudder tail boom readies Sir Rodney its first flight Flight trimming Generally speaking tow hook center-of-gravity CG locations shown plans should work well some overall guidelines need spelled out tow Sir Rodney wants peel off side other tow hook probably too far back slight tendency diverge tow maybe corrected rudder however ship seems wag side side hook too far forward its necessary really sprint get plane top line CG needs moved forward glide retrimmed shimming stabilizer Note plan shows straight-tow configurations appropriate cavities accepting Hatschek tow hook its accompanying line rudder youve built ship circle-tow mode youll need stand grass several inches deep slight breeze After get model tow top line begin adjusting tow circle rudder deflection Too large circle model will want pull ground downwind turn Too tight circle will spiral slack line zoom-launch critical maneuver launch position rudder gives model start its turn rudder returns glide position glide setting too tight ship will go directly zoom-launch tight high-speed spiral ultimately youll need couple B and-Aids Sir Rodneys bulbous nose little time patience Sir Rodney will flying well whether youve selected straighttow circle-tow version Safety Preston Continued page 62 would have prudent terminate flight immediately after contact ground can CL Stunter equipped throttle control subject explosion potential diesel fuel have heard story two sources about storing diesel fuel refriger ator reduce chance evaporation its ether component Let us state once never store diesel fuel refrigerator fact dont recommend storing anywhere house ether contains gives 126 Model Aviation Introducing . Walt Schoonards Fabulous Pitch Guage . RIC Helicopters Precise Static Pitch Setting Symetrical Semi-Symetrical Flat Bottom Right Left Rotation Inverted Set-up Unique Blade Attachment Insures Precise Alignment Available from$1995 Dealer Inquiries Invited plus shipping 2594 North Orange Blossom Trail ndo Florida 32804 305-422-1531 305-647-1335 STOP PROP BRAKES /2A ATD Brake Kit no 101 $275 H F0R FAI CAB Brake Kit no 102 $325 MRGUSI used Kit no 102 BCBrake Kit no 103$375 1 ea size $8503 FAI size $850 Adaptor Cox 15 kIt no 107 $150 K&W ENTERPRISES7824 Lexington Ave OOt CO IJC PA Residents Add 6% Sales Tax Philadelphia Penna 19152j explosion potential similar gasoline know several incidents people blowing themselves up using gasoline houses Would believe trying get rid oil grease stains pair trousers washing gasoline washing machine Yes did happen pilot light furnace ensured wont happen person again give diesel fuel same respect person normal intelligence gives gasoline shouldnt have problems final topic discussion wind up column CL safety concerns pull-testing lines attachment model letter Johnnie Smith ofMassillon OH raises question wisdom basing pull test force entire weight model weight together bellcrank wing Johnnie professional model builder has diversified interest modeling includ ing CL Scale models currently about 60% through work involved building Ford Trimotor will powered three Wankels rWh think retracts. THINK USE No 14111 inch best results use STUFF Sel Adhesive Sheet Sandpaper No glue No drying time Ideal tor special sanding shapes Adheres materials 9sl t sheets Choice ot Medium Fine Super Fine 66 Ga APPLIED DESIGN CORP Penn Street egundo CA 90245 May1981 127 prop flew CL Stunter first place condition model hit pot hole takeoff engine kept right churning Now see whyyou should inspect props once glass prop might have lots cracks hub area such event No 14222 inch $325 OCK THE L FOR GLOW PLUG CONNECTORS US PATCHECK THESE FEATURES 1 Push twist Its lacked u Still $2952 Push twist Its off 3WIII come ff veder heevy favritewgIu vibration 4WIII sot hobby dealer nor evathPe wntv r*ect d4 SOW SI outride U t stat S Pasotow spriag catct 3O inch lead wire MODEL PRODUCTS CORP BOX 314 PomptonPtainsNJ07444 ALL NEW 2~D 40-60 PLANESSCALE DOCUMENTATION PAINT STANDSCALE DRAWINGSPHOTOS BOOKLETS Ultra light durable stands holding fuselage RUSH MODEL PRODUCTSIINTERNATIONAL wing whil painting holding plane up off ginned tuning engine pits / Scale Astro stands also Write callJREPLATECH 1931 3242 West Cactus Road Pbmsix AZ 650290 662 H3-2115 CATALOGS $200 48600 MCKENZIE HWY DEALER INtIUINIES INVITED IVICA OREGON 87429 Read question Getting back tn-motor think have come up problem Scale builders twins have trying cope years problem building wingto-fuselage structure scale will still take high pull-test required area Since pull-test determined entire weight model wing attachment point must take total pull though may have bellcrank wing itself plus fact wing-engine combination may 60-70% total weight model fuselage remaining 30-40% fore 30-40% flight G-load wing-fuselage joint still pull have build fuselage take entire 100% area may earth-shaking problem people just thought has kicking around head long time nothing else should bring out few calculators check thoughts have some thoughts subject being active CL flier Im going button zip lip until see what comes readers about guys Any CL Scale enthusiasts care comment pull-test Ford Trimotor realistically check its structural integrity Mike Gretz Dick Byron reading Until next month think safety dont wash pants gasoline John Preston c/o Model Aviation 815 FW teenth St N W Washington DC 20005 SAFE FLYING IS NO ACCIDENT Neighbors/Kempf Continued page 65 loud expected person make sure invite property owner Hes now confident going wreck land become communi ty nuisance wont have worry about losing permission use property Its always pleasant afternoon everyone results genuine respect activities flying-field neighbors know exactly what noise hear also know members personally assured bunch radicals Most important someday person didnt attend event should complain about club someone can count support person knows us will probably say ought go over watch fly Its interesting theyre nice group people keeps anti-noise petitions circulat ing goes long way toward fending off complaints Well have third open house year probably people attending Wed spring forfifty cases Coke kind results get Letters Editor Continued page 8 before knew shipped Perhaps museum could supply photos Sailplane buffs might interested David R Busby Spartan School Aeronautics Tulsa OK contacted Air Force Museum see might have picture TG-3 restored Spartan buta responsefmm RE Baughman Chief Public Affairs Div says havent yet chance get together outdoor photography after will disassembled taken museum ceiling suspen sion Concerning photos documentation Mr Baughman say checking Research Divison have pictures XTG-3 TG-3 TG-3A have no drawings have structural repair erection ma tenance pilots manual TG-3A further advised pilots manual consists ofl6 pages structural repair manual 25 pages erection maintenance manual 30 pages could copied requesters cost 13 cents per page addressDepartment oftheAirForce Air Force Museum Wright-Patterson AFB OH 45433 Aerobile Plans need set plans published 1970# 1102 Aerobile still available please send L Vance letter came address unable respond hope Mr Vance reads Apparently plan originally published American Modeler went bust 1975 AM plans taken over RC Sportsman after going through two new owners publication latter also ceased have no knowledge availability old plans originally either American Modeler RC Sportsman someone can provide us current information vailability offull-sizeplansfrom magazines 128 Model Aviation
Edition: Model Aviation - 1981/05
Page Numbers: 62, 126, 127, 128
I %AFETY COM ES FIRST Safety CLcircle warning storing diesel fuel thoughts pull-testing untyp ical CL models John Preston BACK October 1980 issue Model Aviation discussed safety CL circle column published letter Larry Miles Mission KS suggested should publish some Thasic dos donts re garding CL flying Since currently active CL asked help readers Well received almost immediate response Larry such list Its since receipt Larrys letter tips going reaching just about time lot people will gearing up new seasons flying Although originally intended CL fliers lot Larrys tips apply equally operation FF RC engine-powered models 1 On single-wheel models make sure outboard wing tip pointed groundward takeoff give maximum control line clearance respect ground models launchers should make visual check control lines prior releasing model should done concrete surfaces occasionally lines get caught cracks problem multiplied grass fields Jack Finkenthal pointed out October80 issue 2 Make sure spectators clear prop wash Considerable dirt dust small pieces gravel can blown peoples eyes 3 Always disconnect glow plug battery giving engine exhaust-port prime doing invitation start fire wipe up spilled fuel immediately whether plane engine pavement Occasion ally external fire will start tryingto start engine fuel burn 4 Prior release model launcher should glance line connectors infre quently become jammed causing shortening both lines perhaps resulting crash jam becomes free flight 5 Point nose model few degrees outside circle launch Too little may cause plane come pilot Too much may cause plane jolt against end lines again come pilot 6 Beginners should always take off downwind wind will help keep lines taught until final airspeed reached 7 Place support equipment outside flying circle 8 Be alert wanderings spectators particular young children will sometimes roam flying circle oblivious danger 9 Use starter stick heavy leather glove other finger protector will eliminate problem depicted emblem identifies column 10 Use preferred method terminating control lines shown AMA rule book figure 3 page 16 [See October 80 safety column additional hints JDP 11 Be alert wanderings spectators pit area Flying lines laid out ground hard see Preferably roped-off area should used models lines air 12 After exhaust-port prime grip prop firmly turn engine over couple oftimes happen put too much fuel cylinder immediately try start engine apt get predetonation possibility also exists hydraulic lock perhaps damage plane twisting Out hands helper METAL CLIPS WIRE LOOPS Figure 1 type control line connector clip subjectto jamming shown Have helper check before launching 13 Line clips variety shown figure 1 can become temporarily jammed together can occur installations lines exit wing very close together such case preferable clip would type shown figure 2 [Staggering line clips would appear solve problem jamming would require control lines slightly differing length JD P1 14 Follow manufacturers instructions regard ing props Boil Top Flite nylon props [Note unreinforced white nylon props no longer manufactured JDP j Sand edges fiber-filled variety props Check props Figure 2 type line connector subject jamming like Figure 1 regularly always after rough landing time believe tip may have contacted ground Look hairline cracks Remove spinners check damage hub 15 Use neoprene tubing diesel fuels fuel will damage silicone surgical rubber plastic tubing may also damage rubber components used some tanks fuel pumps syringes [See additional caution use diesel fuel later JDP] 16 Regularly check engine mounting bolts nuts ensure remain tight 17 Wedge-shaped shims run full length engine mounting lugs preferred washers achieving engine offset Engine vibration has known break mount ing bolts less likely occur using fullFIG 1length shims washers 18 Filter fuel comes can tankor both An engine failure models nose pointing upwards can easily result destroyed modelor injury personif pilot tries regain control model running out center flight circle would like thank Larry 18 tips improve safety CLand otherenginepowered model operation Note No 14 Larry mentions checking props have contacted ground back letter Doug Dahlke Oshkosh WI contained photographs account competition flight made after prop hit ground As Dougs model taking off hit pothole runway addition losing about -in off tip prop hub severely fractured Despite some vibration Doug permitted continue flight won event photo graphs show model appeared conclusion flight extent damage prop after removed Perhaps Continued page 126 62 Model Aviation 4zW WIAEN WAS ThE LAST TIAE WE C4ECKF ThOSE MOUNTING 130LTh C4ARLE INDIAN CITY RADIO CONTROL CLUB PRESENTS GREATER MICHIGAN MODELERS SHOW & EXPO Ill PLANESBOATSCARS MANuFACTURERS-STATIC DISPLAYS-SWAP SHOP October 234 1981 West Eight Mile Artillery Armory Oak Park Michigan end boom sandpaper take special pains see accurately installed aligned wing wires can installed after pod has smoothed contour Likewise dihedral angle can bent after wires place addition sheet rudder tail boom readies Sir Rodney its first flight Flight trimming Generally speaking tow hook center-of-gravity CG locations shown plans should work well some overall guidelines need spelled out tow Sir Rodney wants peel off side other tow hook probably too far back slight tendency diverge tow maybe corrected rudder however ship seems wag side side hook too far forward its necessary really sprint get plane top line CG needs moved forward glide retrimmed shimming stabilizer Note plan shows straight-tow configurations appropriate cavities accepting Hatschek tow hook its accompanying line rudder youve built ship circle-tow mode youll need stand grass several inches deep slight breeze After get model tow top line begin adjusting tow circle rudder deflection Too large circle model will want pull ground downwind turn Too tight circle will spiral slack line zoom-launch critical maneuver launch position rudder gives model start its turn rudder returns glide position glide setting too tight ship will go directly zoom-launch tight high-speed spiral ultimately youll need couple B and-Aids Sir Rodneys bulbous nose little time patience Sir Rodney will flying well whether youve selected straighttow circle-tow version Safety Preston Continued page 62 would have prudent terminate flight immediately after contact ground can CL Stunter equipped throttle control subject explosion potential diesel fuel have heard story two sources about storing diesel fuel refriger ator reduce chance evaporation its ether component Let us state once never store diesel fuel refrigerator fact dont recommend storing anywhere house ether contains gives 126 Model Aviation Introducing . Walt Schoonards Fabulous Pitch Guage . RIC Helicopters Precise Static Pitch Setting Symetrical Semi-Symetrical Flat Bottom Right Left Rotation Inverted Set-up Unique Blade Attachment Insures Precise Alignment Available from$1995 Dealer Inquiries Invited plus shipping 2594 North Orange Blossom Trail ndo Florida 32804 305-422-1531 305-647-1335 STOP PROP BRAKES /2A ATD Brake Kit no 101 $275 H F0R FAI CAB Brake Kit no 102 $325 MRGUSI used Kit no 102 BCBrake Kit no 103$375 1 ea size $8503 FAI size $850 Adaptor Cox 15 kIt no 107 $150 K&W ENTERPRISES7824 Lexington Ave OOt CO IJC PA Residents Add 6% Sales Tax Philadelphia Penna 19152j explosion potential similar gasoline know several incidents people blowing themselves up using gasoline houses Would believe trying get rid oil grease stains pair trousers washing gasoline washing machine Yes did happen pilot light furnace ensured wont happen person again give diesel fuel same respect person normal intelligence gives gasoline shouldnt have problems final topic discussion wind up column CL safety concerns pull-testing lines attachment model letter Johnnie Smith ofMassillon OH raises question wisdom basing pull test force entire weight model weight together bellcrank wing Johnnie professional model builder has diversified interest modeling includ ing CL Scale models currently about 60% through work involved building Ford Trimotor will powered three Wankels rWh think retracts. THINK USE No 14111 inch best results use STUFF Sel Adhesive Sheet Sandpaper No glue No drying time Ideal tor special sanding shapes Adheres materials 9sl t sheets Choice ot Medium Fine Super Fine 66 Ga APPLIED DESIGN CORP Penn Street egundo CA 90245 May1981 127 prop flew CL Stunter first place condition model hit pot hole takeoff engine kept right churning Now see whyyou should inspect props once glass prop might have lots cracks hub area such event No 14222 inch $325 OCK THE L FOR GLOW PLUG CONNECTORS US PATCHECK THESE FEATURES 1 Push twist Its lacked u Still $2952 Push twist Its off 3WIII come ff veder heevy favritewgIu vibration 4WIII sot hobby dealer nor evathPe wntv r*ect d4 SOW SI outride U t stat S Pasotow spriag catct 3O inch lead wire MODEL PRODUCTS CORP BOX 314 PomptonPtainsNJ07444 ALL NEW 2~D 40-60 PLANESSCALE DOCUMENTATION PAINT STANDSCALE DRAWINGSPHOTOS BOOKLETS Ultra light durable stands holding fuselage RUSH MODEL PRODUCTSIINTERNATIONAL wing whil painting holding plane up off ginned tuning engine pits / Scale Astro stands also Write callJREPLATECH 1931 3242 West Cactus Road Pbmsix AZ 650290 662 H3-2115 CATALOGS $200 48600 MCKENZIE HWY DEALER INtIUINIES INVITED IVICA OREGON 87429 Read question Getting back tn-motor think have come up problem Scale builders twins have trying cope years problem building wingto-fuselage structure scale will still take high pull-test required area Since pull-test determined entire weight model wing attachment point must take total pull though may have bellcrank wing itself plus fact wing-engine combination may 60-70% total weight model fuselage remaining 30-40% fore 30-40% flight G-load wing-fuselage joint still pull have build fuselage take entire 100% area may earth-shaking problem people just thought has kicking around head long time nothing else should bring out few calculators check thoughts have some thoughts subject being active CL flier Im going button zip lip until see what comes readers about guys Any CL Scale enthusiasts care comment pull-test Ford Trimotor realistically check its structural integrity Mike Gretz Dick Byron reading Until next month think safety dont wash pants gasoline John Preston c/o Model Aviation 815 FW teenth St N W Washington DC 20005 SAFE FLYING IS NO ACCIDENT Neighbors/Kempf Continued page 65 loud expected person make sure invite property owner Hes now confident going wreck land become communi ty nuisance wont have worry about losing permission use property Its always pleasant afternoon everyone results genuine respect activities flying-field neighbors know exactly what noise hear also know members personally assured bunch radicals Most important someday person didnt attend event should complain about club someone can count support person knows us will probably say ought go over watch fly Its interesting theyre nice group people keeps anti-noise petitions circulat ing goes long way toward fending off complaints Well have third open house year probably people attending Wed spring forfifty cases Coke kind results get Letters Editor Continued page 8 before knew shipped Perhaps museum could supply photos Sailplane buffs might interested David R Busby Spartan School Aeronautics Tulsa OK contacted Air Force Museum see might have picture TG-3 restored Spartan buta responsefmm RE Baughman Chief Public Affairs Div says havent yet chance get together outdoor photography after will disassembled taken museum ceiling suspen sion Concerning photos documentation Mr Baughman say checking Research Divison have pictures XTG-3 TG-3 TG-3A have no drawings have structural repair erection ma tenance pilots manual TG-3A further advised pilots manual consists ofl6 pages structural repair manual 25 pages erection maintenance manual 30 pages could copied requesters cost 13 cents per page addressDepartment oftheAirForce Air Force Museum Wright-Patterson AFB OH 45433 Aerobile Plans need set plans published 1970# 1102 Aerobile still available please send L Vance letter came address unable respond hope Mr Vance reads Apparently plan originally published American Modeler went bust 1975 AM plans taken over RC Sportsman after going through two new owners publication latter also ceased have no knowledge availability old plans originally either American Modeler RC Sportsman someone can provide us current information vailability offull-sizeplansfrom magazines 128 Model Aviation