A Chemi Workshop U Graham Hicks t seems hangar talk frequently produces new better ways doing things During particularly productive recent discussion occurred during 45 years model building have found uses half-a-dozen liquids author wears safety gear apron rubber gloves goggles charcoal respirator mask Photos Clint Croghan author September 1994 23 chemicals often modeling friends unaware availability uses such chemicals will discuss handful such substances although will address uses article certainly inclusive Rather hope remind other materials other uses chemicals listed generating lively discussion will benefit modelers Several chemicals extremely toxic caustic flammable explosive will reemphasize characteristics discuss chemical cannot stress too strongly utmost importance understand what working take proper precautions sure shop has proper ventilation work outside Ill start low end danger zone work up powerful chemicals Water worlds universal solvent Given time some cases may eons water will dissolve almost everything foolish enough smoke found interesting could keep extra cigarette lighter flint tucked away cotton wadding Zippo-type lighter lighter fluid ranks fairly powerful solvent wouldnt bother put same flint cup water overnight crumbled pieces keep plastic jug tap water jug distilled water shop tap water comes handy working decals sprinkling shop floor keep down dust general cleanup often use dilute carpenters glue applying tissue building ultralight models occasion found its way down gullet trip refrigerator too much contemplate distilled water saved uses require purified water Since almost tap water contains certain minerals make unsuitable chemical applications distilled water used topping off lead-acid batteries certain NiCd cells use potassium hydroxide solution electrolyte perhaps best reason having gallon water hand safety ignore rules get careless can easily splash paint thinner something hazardous eyes grab water jug within few seconds empty eyes might reduce avoid permanent damage Dont worry about wetting shop floor new Thunderbolt wingnothing shop valuable eyes can always replace balsa Bicarbonate soda Baking Soda Plain old baking soda great have shop few ways can get trouble gentle powder useful putting out grease fires shop fire extinguisher has lost its pressure have good fire extinguisher mounted shop wall dont Baking soda mixed thick paste tap water soothes minor skin burns baking soda makes great filler-bonder cyanoacrylate glues Mineral Spirits Also known petroleum spirits liquid refined crude oil available several types type three usually used thinning oil-based paints highly flammable should kept container purchased have found its main advantages paint thinner 1 much less expensive turpentine 2 has almost no odor Mineral spirits excellent dissolving adhesive used servo wing mounting tape sticky-back tape lead weights sold balancing models can purchase bottles small few ounces art store gallons paint hardware store writing gallon costs about four dollars Glycerin Green Soap Glycerin thick syrupy liquid nonflammable itself attracts water very strongly keep container closed use used industrially manufacture wide range items including cosmetics antifreeze 24 Model Aviation ral spirits can remove sticky-back tape almost anything Quarter-ounce lead weights get treatment Vaseline brand petroleum jelly makes good lubricant test sample before using rubber products Revive paint brush soaking day two trisodium phosphate bristles should touch jar bottom dynamite nitroglycerin Pharmacies sell glycerin well another preparation might have additional uses shop green soap Green soap liquid soap has some antibacterial powers does excellent job cleaning handsparticularly have small cuts scrapes usually have mixed 5Q50 glycerin green soap forms excellent lubricant rubber motors used indoor/outdoor free flight models Some modelers also add small amount K-Y jelly surgical lubricant mixture slicker lube easiest way have found apply squirt few drops plastic food bag add rubber motor simply massage two together outside three products available drug stores Vaseline trade names petroleum jellyanother product refined crude oil nonflammable used commercially purposes such hand body liniments lubricants firearms machinery use occasionally lubricate brass tubing fittings must slide easily also handy coat skin has abraded boxing fans will recognize greasy stuff trainer puts fighter cut opened Although petroleum jelly will temporarily lubricate 0-rings other rubbery fittings well test waste sample since petroleum products cause some types rubber swell lose dimensional stability Auto parts stores sell siliconebased lubricant does fine job lubricating rubber parts Trisodium phosphate TSP nonflammable strongly alkaline powder forms powerful detergent mixed water various proportions TSP useful clean caked grease dirt surfaces before painting fairly strong solution will usually restore paint brush forgot clean Either hang brush let lie flat TSP day two stand its bristles could take set old paint softens Follow directions box always wear rubber gloves eye protection mixing using TSP Isopropyl alcohol rubbing alcohol quite useful has sweet liniment-like smell often used masseurs lubricate skin expensive can usually find sixteen-ounce bottle seventy-five cents discount store 70% solution good enough modeling purposes higher concentrations dont help much shop cost excellent solvent substances its relatively safe handling properties make attractive use have found shop towel like mechanics use liberally doused rubbing alcohol kept coffee can handy wipe stickiness hands fiberglassing finger dipped rubbing alcohol does super job smoothing out moist microballon/resin fillet affecting setting time fillets hardness Caution isopropyl alcohol flammable test article could ignite capful room temperature dipped small stick Lite Ply match quickly ignited it burned about 15 seconds spill isopropyl alcohol workbench could extremely dangerous use least six eight feet away open flame sparks have surface object clean solvent water wont job usually start rubbing alcohol cotton swab havent found plastics rubbing alcohol will damage generally safe standpoint job getting done after several minutes working go next level denatured alcohol Denatured Alcohol ethyl alcohol substance September 1994 25 Quite versatile shop liquid match dropped rubbing alcohol goes out stick dipped burns quickly Use lighter handwarmer fluid quickly remove sticky residue left some price stickers big four among useful chemicals represent greatest fire danger Handle care substances have added allows its use variety industrial art applications make unfit consumption Denatured alcohol poisonous flammable Never drink it cannot made nonpoisonous Caveats accomplished denatured alcohol nevertheless potent solvent will attack certain plastics Test scrap before clean off canopy rag saturated stuff extremely careful use never near open flame unless purpose since its neatest uses small alcohol burner Make out baby food jar soldering one-inch piece brass tubing about 5/i s-inch diameter hole jars top Feed four- five-inch piece soft cotton rope through tubing leaving quarter inch sticking out top coil rest jar Pour small amount denatured alcohol jar screw top back securely wait few minutes alcohol wick its way up rope tip rope feels wet can light match provides safe low-heat lowcarbon flame can used carefully shape plastics sweat-solder small joints build plastic models can heat sprue stretching antennas etc flame easily blown out recommend taking short piece nexthigher-diameter brass tubing crimping end using cap over exposed wick end will keep alcohol evaporating quickly going use lamp again soon pour remaining alcohol back original container otherwise will evaporate few days Though denatured alcohol dangerous some later-described chemicals intended contact skin eyes Wear eye protection rubber gloves using Naval Jelly trade name rust dissolver manufactured Loctite Corporation contains extremely corrosive substance called phosphoric acid available hardware paint discount stores II SUJOOSHIETM BAILS OUT Release scale-like Parachutistl real crowd pleaser lot fun Fluorescent orange pink bright yellow woodland camouflage Complete figure & release system $1895 ec plus $325 slh HOBBY HUT MANUFACTURING 2020 W 21st St N Suits #77 Wichita KS 67203-2107 Dept MAY send SASE o brochure Naval Jelly applied rusted surface stiff brush left work five ten minutes rinsed cold water have found does excellent job removing rust metal surfaces However will attack chrome aluminum painted surfaces mask jelly accidentally brushed wash off immediately start over Since stiff brush should used work rust rubber gloves eye protection should used Handwarmer cigarette lighter fluid advent butane cigarette lighters dont see much little cans lighter fluid used still available ask usually cheaper sporting CKE 31 Light Stone RAP ROAP Sand Yellow Germany Tan USAAFI P5120400 CHE 32 Middlestone USAAP Tan Ijapanl Mid Stone IRAP ACAF FS#30266 CHE 33 Dark Earth USAAF RAP RCAPI P5130118 CHE 34 Lt Blue tGermany P5126329 CKE35 Azure Blue IUSAAF RAP ROAP Germanyl P5135231 CHE 36 Grey tJapan P5136492 CHE 37 Extra Dark Sea Grey RAP ROAP Neutral Grey IUSMPI P5136118 CHE 38 Light Slate Grey IRAP RCAP Green Greyl IGermanyl P5134 159 CHE3B Dark Slate Grey RAP RCAFI Army Green Japan FS#34098 goods counter sold fuel catalytic handwarmers pint costs few dollars still have third pint can left after five six years care can stretched course fluid flammable should never used near open flame Like gasoline prolonged exposure skin can cause irritation may wish use rubber gloves handling Lighter fluid excellent general cleaner plastics painted surfaces its best features its ability remove contact cements such sticky goo left hobby shops price tag prop sheet balsa little spots adhesive often left masking tape cotton swab dipped lighter fluid makes Perfect Paint high quality part fuel proof paint combines conveni ence superb results Perfect Paint will cover dopes epoxies CJV metals fiberglass plastic C smooth hard mar resistant finish will crack chip CHE 40 Ok Green & Extra Ok Sea Green tRAP RCAF Dark Green Germany P5134079 CHE4I Navy Green Japan P5134058 CHE42 Olive Drab USAAP 595 lariginall P5134087 CHE43 Dead Flat Clear 10% glans CHE 44 Sea Blue Semi-Gloss tUSNI PSI 25042 CItE 45 Intermediate Blue Semi-Gloss tUSNI P5135164 CItE 48 Duck Egg Blue Germany RAP P5134516 CHE 47 Zinc Chromate, Type #1 USMP USN RAP RCAP P5134151 CItE 48 Zinc Chromate Type #2 USAAP USNI P5133814 CHE 49 Olive Drab IUSAAPI 59S-A Modern P5134087 CItE 50 Roundel Red RAF RCAP Roundel Red Japan P5130 111 CItE 51 Sky USAAP USNI Sky Type 5- RAP RGAP P5134424 CItE 52 Insignia Blue USAAP USN Roundel Blue RAP RGAF Dark Blue tOermany P5135044 CItE 53 Dark Grey 1USAAP P5135237 CItE 54 Ocean Grey tRAP RCAF P5136176 CItE 55 Dark Gull Grey USAAF USNI P5136231 CItE 56 Dark Sea Grey RAP ROAF P5136270 CHE 57 Sea Grey Medium RAP RCAF P5136373 CItE 56 Medium Grey USMF PSI 36375 CItE 59 Light Grey IUSAAP USN Light Gull Grey USAAP USN USMO Cockpit Interior Grey USAP USN USMC Grey Italy P5136440 CItE 60 Light Grey USAAF PS136495 September 1994 27 Cr CHIP CHARTS AVAILABLE PO Box 2480 Sandusky Ohio 44870 Phone & Fax 419-797-2208 NEED RIC AccEssoRiEs FLY TO HITEC RCD FOR ALL YOUR ACCESSORY NEEDS 6 Y harness 7351# 6 Buffered Y harness 7354# LiZ1 12 Aileron Extension 7345# 24 Aileron Extension 7346# ZL 6 Buffered Servo Conn 7356# LIIEI 9 Male Servo Conn 7342# 9 Female shown 7343# Switch Harness w/Battery & Clip 72 15# L1 Please specify connector type ordering Part # followed Airt J Fut S HitecIRCD & JR ALSO AVAILABLE 50 ft Bulk Servo Wire 3001 Rubber Ducky Antenna 1125 Flight Preserver w/Velcro 8480 hitec RCD 10729 Wheatlands Ave #C Santee CA 92071-2883 519 258-4940 quick work bothers However will attack certain enamels especially have cured used Modelmaster spray enamel paint star-and-bar emblem T-28B couple days later used cloth patch soaked lighter fluid clean fingerprints off fuselage found dismay enamel dissolving So very careful about using painted surfaces An exception surface painted K&B probably other two-part epoxy paints does great job cleaning after have cured Several years ago read fine engine after-run oil can inexpensively made 5050 mix lighter fluid regular transmission fluid youre finished flying day just switch fuel line tank small bottle mixture start engine again about one-third throttle after-run mix gets engine lighter fluid will keep running transmission fluid quickly coats moving parts drives out methanol would otherwise remain attracting rustcausing moisture cant reach tank fitting switch just pinch off regular fuel line use medicine dropper syringe add few drops after-run venturi Acetone This hazardous fluid will cover Wear rubber gloves eye protection good-quality charcoal respirator mask whenever use open containers acetone next fluid discuss methyl ethyl ketone Acetone volatile highly flammable liquid sweetish pungent odor will attack dissolve plastics used modeling today fact characteristic what makes useful workshop Applied tiny brush excellent cement plastics can used dissolve glue joint made acetatebased cement such Duco household cement good homemade glue can made dissolving old toothbrush handle small amount acetone Cut handle half-inch pieces drop small glass plastic jar baby food jar fine Add about half inch acetone next morning have very strong glue can have color want just pick right color toothbrush Acetone also excellent debonder cyanoacrylate CyA glues Bob Mikah Barnett Camas Washington offered useful tip recent AMA National Newsletter keep small jar acetone shop bench couple extra CyA bottle tips submerged current tip becomes clogged just drop jar replace jar within day clogged tip will like new Methyl Ethyl Ketone MEK Methyl ethyl ketone dangerous material shop always wear eye protection respirator mask rubber gloves use anything cotton swab dipped flammable will find its way tiniest cut scratch band sting will set free MEK splashed eye can cause permanent damage cornea its washed out first few seconds contact remember water jug Breathing fumeseven momentcan generate headache will put down rest day Prolonged exposure fumes almost guaranteed cause nausea drowsiness physical deterioration Please careful use liquid Nevertheless has uses shop will dissolve almost paint except cured two-part epoxiesand may wreak havoc exposed long enough Like acetone excellent plastic model cement used sparingly use clean parts airbrush paint gun after spraying anything epoxy paints Railroad Colors dried-up dope brush will usually good new its soaked overnight MEK have occasionally used thin dopes lacquers have good results have encased engine clump sod take 0-rings out carburetor soak rest engine MEK will come out bright clear completely free oil grease Oil-soaked wood can restored glueable condition soaking overnight MEK Methyl ethyl ketone sells paint stores about $ 10-12 gallon lasts year heavy user like Let make strong pitch regularly use good-quality charcoal respirator mask Yes know its little trouble put mask get out heavy chemicals dear wife insisted buy use Folks its whole new world comfortmentally physicallywhen have mask good mask tightly fitted cannot detect smell odor strong say MEK good chemicals spray painting sanding dust well grinding away coarse sander dust air thick fog mask will keep nasal passages nice cool moist should brand name mask Paint-Safe retails just less forty dollars uses two replaceable charcoal canisters cost few dollars have used mask fifteen twenty hours over past year canisters still seem good shape wear glasses mask does interfere vision youve learned something article great has triggered idea write editor Model Aviation give rest us benefit experience Above careful materials Although serve well deserve greatest respect odel Aviation
Edition: Model Aviation - 1994/09
Page Numbers: 23, 24, 25, 27, 28
A Chemi Workshop U Graham Hicks t seems hangar talk frequently produces new better ways doing things During particularly productive recent discussion occurred during 45 years model building have found uses half-a-dozen liquids author wears safety gear apron rubber gloves goggles charcoal respirator mask Photos Clint Croghan author September 1994 23 chemicals often modeling friends unaware availability uses such chemicals will discuss handful such substances although will address uses article certainly inclusive Rather hope remind other materials other uses chemicals listed generating lively discussion will benefit modelers Several chemicals extremely toxic caustic flammable explosive will reemphasize characteristics discuss chemical cannot stress too strongly utmost importance understand what working take proper precautions sure shop has proper ventilation work outside Ill start low end danger zone work up powerful chemicals Water worlds universal solvent Given time some cases may eons water will dissolve almost everything foolish enough smoke found interesting could keep extra cigarette lighter flint tucked away cotton wadding Zippo-type lighter lighter fluid ranks fairly powerful solvent wouldnt bother put same flint cup water overnight crumbled pieces keep plastic jug tap water jug distilled water shop tap water comes handy working decals sprinkling shop floor keep down dust general cleanup often use dilute carpenters glue applying tissue building ultralight models occasion found its way down gullet trip refrigerator too much contemplate distilled water saved uses require purified water Since almost tap water contains certain minerals make unsuitable chemical applications distilled water used topping off lead-acid batteries certain NiCd cells use potassium hydroxide solution electrolyte perhaps best reason having gallon water hand safety ignore rules get careless can easily splash paint thinner something hazardous eyes grab water jug within few seconds empty eyes might reduce avoid permanent damage Dont worry about wetting shop floor new Thunderbolt wingnothing shop valuable eyes can always replace balsa Bicarbonate soda Baking Soda Plain old baking soda great have shop few ways can get trouble gentle powder useful putting out grease fires shop fire extinguisher has lost its pressure have good fire extinguisher mounted shop wall dont Baking soda mixed thick paste tap water soothes minor skin burns baking soda makes great filler-bonder cyanoacrylate glues Mineral Spirits Also known petroleum spirits liquid refined crude oil available several types type three usually used thinning oil-based paints highly flammable should kept container purchased have found its main advantages paint thinner 1 much less expensive turpentine 2 has almost no odor Mineral spirits excellent dissolving adhesive used servo wing mounting tape sticky-back tape lead weights sold balancing models can purchase bottles small few ounces art store gallons paint hardware store writing gallon costs about four dollars Glycerin Green Soap Glycerin thick syrupy liquid nonflammable itself attracts water very strongly keep container closed use used industrially manufacture wide range items including cosmetics antifreeze 24 Model Aviation ral spirits can remove sticky-back tape almost anything Quarter-ounce lead weights get treatment Vaseline brand petroleum jelly makes good lubricant test sample before using rubber products Revive paint brush soaking day two trisodium phosphate bristles should touch jar bottom dynamite nitroglycerin Pharmacies sell glycerin well another preparation might have additional uses shop green soap Green soap liquid soap has some antibacterial powers does excellent job cleaning handsparticularly have small cuts scrapes usually have mixed 5Q50 glycerin green soap forms excellent lubricant rubber motors used indoor/outdoor free flight models Some modelers also add small amount K-Y jelly surgical lubricant mixture slicker lube easiest way have found apply squirt few drops plastic food bag add rubber motor simply massage two together outside three products available drug stores Vaseline trade names petroleum jellyanother product refined crude oil nonflammable used commercially purposes such hand body liniments lubricants firearms machinery use occasionally lubricate brass tubing fittings must slide easily also handy coat skin has abraded boxing fans will recognize greasy stuff trainer puts fighter cut opened Although petroleum jelly will temporarily lubricate 0-rings other rubbery fittings well test waste sample since petroleum products cause some types rubber swell lose dimensional stability Auto parts stores sell siliconebased lubricant does fine job lubricating rubber parts Trisodium phosphate TSP nonflammable strongly alkaline powder forms powerful detergent mixed water various proportions TSP useful clean caked grease dirt surfaces before painting fairly strong solution will usually restore paint brush forgot clean Either hang brush let lie flat TSP day two stand its bristles could take set old paint softens Follow directions box always wear rubber gloves eye protection mixing using TSP Isopropyl alcohol rubbing alcohol quite useful has sweet liniment-like smell often used masseurs lubricate skin expensive can usually find sixteen-ounce bottle seventy-five cents discount store 70% solution good enough modeling purposes higher concentrations dont help much shop cost excellent solvent substances its relatively safe handling properties make attractive use have found shop towel like mechanics use liberally doused rubbing alcohol kept coffee can handy wipe stickiness hands fiberglassing finger dipped rubbing alcohol does super job smoothing out moist microballon/resin fillet affecting setting time fillets hardness Caution isopropyl alcohol flammable test article could ignite capful room temperature dipped small stick Lite Ply match quickly ignited it burned about 15 seconds spill isopropyl alcohol workbench could extremely dangerous use least six eight feet away open flame sparks have surface object clean solvent water wont job usually start rubbing alcohol cotton swab havent found plastics rubbing alcohol will damage generally safe standpoint job getting done after several minutes working go next level denatured alcohol Denatured Alcohol ethyl alcohol substance September 1994 25 Quite versatile shop liquid match dropped rubbing alcohol goes out stick dipped burns quickly Use lighter handwarmer fluid quickly remove sticky residue left some price stickers big four among useful chemicals represent greatest fire danger Handle care substances have added allows its use variety industrial art applications make unfit consumption Denatured alcohol poisonous flammable Never drink it cannot made nonpoisonous Caveats accomplished denatured alcohol nevertheless potent solvent will attack certain plastics Test scrap before clean off canopy rag saturated stuff extremely careful use never near open flame unless purpose since its neatest uses small alcohol burner Make out baby food jar soldering one-inch piece brass tubing about 5/i s-inch diameter hole jars top Feed four- five-inch piece soft cotton rope through tubing leaving quarter inch sticking out top coil rest jar Pour small amount denatured alcohol jar screw top back securely wait few minutes alcohol wick its way up rope tip rope feels wet can light match provides safe low-heat lowcarbon flame can used carefully shape plastics sweat-solder small joints build plastic models can heat sprue stretching antennas etc flame easily blown out recommend taking short piece nexthigher-diameter brass tubing crimping end using cap over exposed wick end will keep alcohol evaporating quickly going use lamp again soon pour remaining alcohol back original container otherwise will evaporate few days Though denatured alcohol dangerous some later-described chemicals intended contact skin eyes Wear eye protection rubber gloves using Naval Jelly trade name rust dissolver manufactured Loctite Corporation contains extremely corrosive substance called phosphoric acid available hardware paint discount stores II SUJOOSHIETM BAILS OUT Release scale-like Parachutistl real crowd pleaser lot fun Fluorescent orange pink bright yellow woodland camouflage Complete figure & release system $1895 ec plus $325 slh HOBBY HUT MANUFACTURING 2020 W 21st St N Suits #77 Wichita KS 67203-2107 Dept MAY send SASE o brochure Naval Jelly applied rusted surface stiff brush left work five ten minutes rinsed cold water have found does excellent job removing rust metal surfaces However will attack chrome aluminum painted surfaces mask jelly accidentally brushed wash off immediately start over Since stiff brush should used work rust rubber gloves eye protection should used Handwarmer cigarette lighter fluid advent butane cigarette lighters dont see much little cans lighter fluid used still available ask usually cheaper sporting CKE 31 Light Stone RAP ROAP Sand Yellow Germany Tan USAAFI P5120400 CHE 32 Middlestone USAAP Tan Ijapanl Mid Stone IRAP ACAF FS#30266 CHE 33 Dark Earth USAAF RAP RCAPI P5130118 CHE 34 Lt Blue tGermany P5126329 CKE35 Azure Blue IUSAAF RAP ROAP Germanyl P5135231 CHE 36 Grey tJapan P5136492 CHE 37 Extra Dark Sea Grey RAP ROAP Neutral Grey IUSMPI P5136118 CHE 38 Light Slate Grey IRAP RCAP Green Greyl IGermanyl P5134 159 CHE3B Dark Slate Grey RAP RCAFI Army Green Japan FS#34098 goods counter sold fuel catalytic handwarmers pint costs few dollars still have third pint can left after five six years care can stretched course fluid flammable should never used near open flame Like gasoline prolonged exposure skin can cause irritation may wish use rubber gloves handling Lighter fluid excellent general cleaner plastics painted surfaces its best features its ability remove contact cements such sticky goo left hobby shops price tag prop sheet balsa little spots adhesive often left masking tape cotton swab dipped lighter fluid makes Perfect Paint high quality part fuel proof paint combines conveni ence superb results Perfect Paint will cover dopes epoxies CJV metals fiberglass plastic C smooth hard mar resistant finish will crack chip CHE 40 Ok Green & Extra Ok Sea Green tRAP RCAF Dark Green Germany P5134079 CHE4I Navy Green Japan P5134058 CHE42 Olive Drab USAAP 595 lariginall P5134087 CHE43 Dead Flat Clear 10% glans CHE 44 Sea Blue Semi-Gloss tUSNI PSI 25042 CItE 45 Intermediate Blue Semi-Gloss tUSNI P5135164 CItE 48 Duck Egg Blue Germany RAP P5134516 CHE 47 Zinc Chromate, Type #1 USMP USN RAP RCAP P5134151 CItE 48 Zinc Chromate Type #2 USAAP USNI P5133814 CHE 49 Olive Drab IUSAAPI 59S-A Modern P5134087 CItE 50 Roundel Red RAF RCAP Roundel Red Japan P5130 111 CItE 51 Sky USAAP USNI Sky Type 5- RAP RGAP P5134424 CItE 52 Insignia Blue USAAP USN Roundel Blue RAP RGAF Dark Blue tOermany P5135044 CItE 53 Dark Grey 1USAAP P5135237 CItE 54 Ocean Grey tRAP RCAF P5136176 CItE 55 Dark Gull Grey USAAF USNI P5136231 CItE 56 Dark Sea Grey RAP ROAF P5136270 CHE 57 Sea Grey Medium RAP RCAF P5136373 CItE 56 Medium Grey USMF PSI 36375 CItE 59 Light Grey IUSAAP USN Light Gull Grey USAAP USN USMO Cockpit Interior Grey USAP USN USMC Grey Italy P5136440 CItE 60 Light Grey USAAF PS136495 September 1994 27 Cr CHIP CHARTS AVAILABLE PO Box 2480 Sandusky Ohio 44870 Phone & Fax 419-797-2208 NEED RIC AccEssoRiEs FLY TO HITEC RCD FOR ALL YOUR ACCESSORY NEEDS 6 Y harness 7351# 6 Buffered Y harness 7354# LiZ1 12 Aileron Extension 7345# 24 Aileron Extension 7346# ZL 6 Buffered Servo Conn 7356# LIIEI 9 Male Servo Conn 7342# 9 Female shown 7343# Switch Harness w/Battery & Clip 72 15# L1 Please specify connector type ordering Part # followed Airt J Fut S HitecIRCD & JR ALSO AVAILABLE 50 ft Bulk Servo Wire 3001 Rubber Ducky Antenna 1125 Flight Preserver w/Velcro 8480 hitec RCD 10729 Wheatlands Ave #C Santee CA 92071-2883 519 258-4940 quick work bothers However will attack certain enamels especially have cured used Modelmaster spray enamel paint star-and-bar emblem T-28B couple days later used cloth patch soaked lighter fluid clean fingerprints off fuselage found dismay enamel dissolving So very careful about using painted surfaces An exception surface painted K&B probably other two-part epoxy paints does great job cleaning after have cured Several years ago read fine engine after-run oil can inexpensively made 5050 mix lighter fluid regular transmission fluid youre finished flying day just switch fuel line tank small bottle mixture start engine again about one-third throttle after-run mix gets engine lighter fluid will keep running transmission fluid quickly coats moving parts drives out methanol would otherwise remain attracting rustcausing moisture cant reach tank fitting switch just pinch off regular fuel line use medicine dropper syringe add few drops after-run venturi Acetone This hazardous fluid will cover Wear rubber gloves eye protection good-quality charcoal respirator mask whenever use open containers acetone next fluid discuss methyl ethyl ketone Acetone volatile highly flammable liquid sweetish pungent odor will attack dissolve plastics used modeling today fact characteristic what makes useful workshop Applied tiny brush excellent cement plastics can used dissolve glue joint made acetatebased cement such Duco household cement good homemade glue can made dissolving old toothbrush handle small amount acetone Cut handle half-inch pieces drop small glass plastic jar baby food jar fine Add about half inch acetone next morning have very strong glue can have color want just pick right color toothbrush Acetone also excellent debonder cyanoacrylate CyA glues Bob Mikah Barnett Camas Washington offered useful tip recent AMA National Newsletter keep small jar acetone shop bench couple extra CyA bottle tips submerged current tip becomes clogged just drop jar replace jar within day clogged tip will like new Methyl Ethyl Ketone MEK Methyl ethyl ketone dangerous material shop always wear eye protection respirator mask rubber gloves use anything cotton swab dipped flammable will find its way tiniest cut scratch band sting will set free MEK splashed eye can cause permanent damage cornea its washed out first few seconds contact remember water jug Breathing fumeseven momentcan generate headache will put down rest day Prolonged exposure fumes almost guaranteed cause nausea drowsiness physical deterioration Please careful use liquid Nevertheless has uses shop will dissolve almost paint except cured two-part epoxiesand may wreak havoc exposed long enough Like acetone excellent plastic model cement used sparingly use clean parts airbrush paint gun after spraying anything epoxy paints Railroad Colors dried-up dope brush will usually good new its soaked overnight MEK have occasionally used thin dopes lacquers have good results have encased engine clump sod take 0-rings out carburetor soak rest engine MEK will come out bright clear completely free oil grease Oil-soaked wood can restored glueable condition soaking overnight MEK Methyl ethyl ketone sells paint stores about $ 10-12 gallon lasts year heavy user like Let make strong pitch regularly use good-quality charcoal respirator mask Yes know its little trouble put mask get out heavy chemicals dear wife insisted buy use Folks its whole new world comfortmentally physicallywhen have mask good mask tightly fitted cannot detect smell odor strong say MEK good chemicals spray painting sanding dust well grinding away coarse sander dust air thick fog mask will keep nasal passages nice cool moist should brand name mask Paint-Safe retails just less forty dollars uses two replaceable charcoal canisters cost few dollars have used mask fifteen twenty hours over past year canisters still seem good shape wear glasses mask does interfere vision youve learned something article great has triggered idea write editor Model Aviation give rest us benefit experience Above careful materials Although serve well deserve greatest respect odel Aviation
Edition: Model Aviation - 1994/09
Page Numbers: 23, 24, 25, 27, 28
A Chemi Workshop U Graham Hicks t seems hangar talk frequently produces new better ways doing things During particularly productive recent discussion occurred during 45 years model building have found uses half-a-dozen liquids author wears safety gear apron rubber gloves goggles charcoal respirator mask Photos Clint Croghan author September 1994 23 chemicals often modeling friends unaware availability uses such chemicals will discuss handful such substances although will address uses article certainly inclusive Rather hope remind other materials other uses chemicals listed generating lively discussion will benefit modelers Several chemicals extremely toxic caustic flammable explosive will reemphasize characteristics discuss chemical cannot stress too strongly utmost importance understand what working take proper precautions sure shop has proper ventilation work outside Ill start low end danger zone work up powerful chemicals Water worlds universal solvent Given time some cases may eons water will dissolve almost everything foolish enough smoke found interesting could keep extra cigarette lighter flint tucked away cotton wadding Zippo-type lighter lighter fluid ranks fairly powerful solvent wouldnt bother put same flint cup water overnight crumbled pieces keep plastic jug tap water jug distilled water shop tap water comes handy working decals sprinkling shop floor keep down dust general cleanup often use dilute carpenters glue applying tissue building ultralight models occasion found its way down gullet trip refrigerator too much contemplate distilled water saved uses require purified water Since almost tap water contains certain minerals make unsuitable chemical applications distilled water used topping off lead-acid batteries certain NiCd cells use potassium hydroxide solution electrolyte perhaps best reason having gallon water hand safety ignore rules get careless can easily splash paint thinner something hazardous eyes grab water jug within few seconds empty eyes might reduce avoid permanent damage Dont worry about wetting shop floor new Thunderbolt wingnothing shop valuable eyes can always replace balsa Bicarbonate soda Baking Soda Plain old baking soda great have shop few ways can get trouble gentle powder useful putting out grease fires shop fire extinguisher has lost its pressure have good fire extinguisher mounted shop wall dont Baking soda mixed thick paste tap water soothes minor skin burns baking soda makes great filler-bonder cyanoacrylate glues Mineral Spirits Also known petroleum spirits liquid refined crude oil available several types type three usually used thinning oil-based paints highly flammable should kept container purchased have found its main advantages paint thinner 1 much less expensive turpentine 2 has almost no odor Mineral spirits excellent dissolving adhesive used servo wing mounting tape sticky-back tape lead weights sold balancing models can purchase bottles small few ounces art store gallons paint hardware store writing gallon costs about four dollars Glycerin Green Soap Glycerin thick syrupy liquid nonflammable itself attracts water very strongly keep container closed use used industrially manufacture wide range items including cosmetics antifreeze 24 Model Aviation ral spirits can remove sticky-back tape almost anything Quarter-ounce lead weights get treatment Vaseline brand petroleum jelly makes good lubricant test sample before using rubber products Revive paint brush soaking day two trisodium phosphate bristles should touch jar bottom dynamite nitroglycerin Pharmacies sell glycerin well another preparation might have additional uses shop green soap Green soap liquid soap has some antibacterial powers does excellent job cleaning handsparticularly have small cuts scrapes usually have mixed 5Q50 glycerin green soap forms excellent lubricant rubber motors used indoor/outdoor free flight models Some modelers also add small amount K-Y jelly surgical lubricant mixture slicker lube easiest way have found apply squirt few drops plastic food bag add rubber motor simply massage two together outside three products available drug stores Vaseline trade names petroleum jellyanother product refined crude oil nonflammable used commercially purposes such hand body liniments lubricants firearms machinery use occasionally lubricate brass tubing fittings must slide easily also handy coat skin has abraded boxing fans will recognize greasy stuff trainer puts fighter cut opened Although petroleum jelly will temporarily lubricate 0-rings other rubbery fittings well test waste sample since petroleum products cause some types rubber swell lose dimensional stability Auto parts stores sell siliconebased lubricant does fine job lubricating rubber parts Trisodium phosphate TSP nonflammable strongly alkaline powder forms powerful detergent mixed water various proportions TSP useful clean caked grease dirt surfaces before painting fairly strong solution will usually restore paint brush forgot clean Either hang brush let lie flat TSP day two stand its bristles could take set old paint softens Follow directions box always wear rubber gloves eye protection mixing using TSP Isopropyl alcohol rubbing alcohol quite useful has sweet liniment-like smell often used masseurs lubricate skin expensive can usually find sixteen-ounce bottle seventy-five cents discount store 70% solution good enough modeling purposes higher concentrations dont help much shop cost excellent solvent substances its relatively safe handling properties make attractive use have found shop towel like mechanics use liberally doused rubbing alcohol kept coffee can handy wipe stickiness hands fiberglassing finger dipped rubbing alcohol does super job smoothing out moist microballon/resin fillet affecting setting time fillets hardness Caution isopropyl alcohol flammable test article could ignite capful room temperature dipped small stick Lite Ply match quickly ignited it burned about 15 seconds spill isopropyl alcohol workbench could extremely dangerous use least six eight feet away open flame sparks have surface object clean solvent water wont job usually start rubbing alcohol cotton swab havent found plastics rubbing alcohol will damage generally safe standpoint job getting done after several minutes working go next level denatured alcohol Denatured Alcohol ethyl alcohol substance September 1994 25 Quite versatile shop liquid match dropped rubbing alcohol goes out stick dipped burns quickly Use lighter handwarmer fluid quickly remove sticky residue left some price stickers big four among useful chemicals represent greatest fire danger Handle care substances have added allows its use variety industrial art applications make unfit consumption Denatured alcohol poisonous flammable Never drink it cannot made nonpoisonous Caveats accomplished denatured alcohol nevertheless potent solvent will attack certain plastics Test scrap before clean off canopy rag saturated stuff extremely careful use never near open flame unless purpose since its neatest uses small alcohol burner Make out baby food jar soldering one-inch piece brass tubing about 5/i s-inch diameter hole jars top Feed four- five-inch piece soft cotton rope through tubing leaving quarter inch sticking out top coil rest jar Pour small amount denatured alcohol jar screw top back securely wait few minutes alcohol wick its way up rope tip rope feels wet can light match provides safe low-heat lowcarbon flame can used carefully shape plastics sweat-solder small joints build plastic models can heat sprue stretching antennas etc flame easily blown out recommend taking short piece nexthigher-diameter brass tubing crimping end using cap over exposed wick end will keep alcohol evaporating quickly going use lamp again soon pour remaining alcohol back original container otherwise will evaporate few days Though denatured alcohol dangerous some later-described chemicals intended contact skin eyes Wear eye protection rubber gloves using Naval Jelly trade name rust dissolver manufactured Loctite Corporation contains extremely corrosive substance called phosphoric acid available hardware paint discount stores II SUJOOSHIETM BAILS OUT Release scale-like Parachutistl real crowd pleaser lot fun Fluorescent orange pink bright yellow woodland camouflage Complete figure & release system $1895 ec plus $325 slh HOBBY HUT MANUFACTURING 2020 W 21st St N Suits #77 Wichita KS 67203-2107 Dept MAY send SASE o brochure Naval Jelly applied rusted surface stiff brush left work five ten minutes rinsed cold water have found does excellent job removing rust metal surfaces However will attack chrome aluminum painted surfaces mask jelly accidentally brushed wash off immediately start over Since stiff brush should used work rust rubber gloves eye protection should used Handwarmer cigarette lighter fluid advent butane cigarette lighters dont see much little cans lighter fluid used still available ask usually cheaper sporting CKE 31 Light Stone RAP ROAP Sand Yellow Germany Tan USAAFI P5120400 CHE 32 Middlestone USAAP Tan Ijapanl Mid Stone IRAP ACAF FS#30266 CHE 33 Dark Earth USAAF RAP RCAPI P5130118 CHE 34 Lt Blue tGermany P5126329 CKE35 Azure Blue IUSAAF RAP ROAP Germanyl P5135231 CHE 36 Grey tJapan P5136492 CHE 37 Extra Dark Sea Grey RAP ROAP Neutral Grey IUSMPI P5136118 CHE 38 Light Slate Grey IRAP RCAP Green Greyl IGermanyl P5134 159 CHE3B Dark Slate Grey RAP RCAFI Army Green Japan FS#34098 goods counter sold fuel catalytic handwarmers pint costs few dollars still have third pint can left after five six years care can stretched course fluid flammable should never used near open flame Like gasoline prolonged exposure skin can cause irritation may wish use rubber gloves handling Lighter fluid excellent general cleaner plastics painted surfaces its best features its ability remove contact cements such sticky goo left hobby shops price tag prop sheet balsa little spots adhesive often left masking tape cotton swab dipped lighter fluid makes Perfect Paint high quality part fuel proof paint combines conveni ence superb results Perfect Paint will cover dopes epoxies CJV metals fiberglass plastic C smooth hard mar resistant finish will crack chip CHE 40 Ok Green & Extra Ok Sea Green tRAP RCAF Dark Green Germany P5134079 CHE4I Navy Green Japan P5134058 CHE42 Olive Drab USAAP 595 lariginall P5134087 CHE43 Dead Flat Clear 10% glans CHE 44 Sea Blue Semi-Gloss tUSNI PSI 25042 CItE 45 Intermediate Blue Semi-Gloss tUSNI P5135164 CItE 48 Duck Egg Blue Germany RAP P5134516 CHE 47 Zinc Chromate, Type #1 USMP USN RAP RCAP P5134151 CItE 48 Zinc Chromate Type #2 USAAP USNI P5133814 CHE 49 Olive Drab IUSAAPI 59S-A Modern P5134087 CItE 50 Roundel Red RAF RCAP Roundel Red Japan P5130 111 CItE 51 Sky USAAP USNI Sky Type 5- RAP RGAP P5134424 CItE 52 Insignia Blue USAAP USN Roundel Blue RAP RGAF Dark Blue tOermany P5135044 CItE 53 Dark Grey 1USAAP P5135237 CItE 54 Ocean Grey tRAP RCAF P5136176 CItE 55 Dark Gull Grey USAAF USNI P5136231 CItE 56 Dark Sea Grey RAP ROAF P5136270 CHE 57 Sea Grey Medium RAP RCAF P5136373 CItE 56 Medium Grey USMF PSI 36375 CItE 59 Light Grey IUSAAP USN Light Gull Grey USAAP USN USMO Cockpit Interior Grey USAP USN USMC Grey Italy P5136440 CItE 60 Light Grey USAAF PS136495 September 1994 27 Cr CHIP CHARTS AVAILABLE PO Box 2480 Sandusky Ohio 44870 Phone & Fax 419-797-2208 NEED RIC AccEssoRiEs FLY TO HITEC RCD FOR ALL YOUR ACCESSORY NEEDS 6 Y harness 7351# 6 Buffered Y harness 7354# LiZ1 12 Aileron Extension 7345# 24 Aileron Extension 7346# ZL 6 Buffered Servo Conn 7356# LIIEI 9 Male Servo Conn 7342# 9 Female shown 7343# Switch Harness w/Battery & Clip 72 15# L1 Please specify connector type ordering Part # followed Airt J Fut S HitecIRCD & JR ALSO AVAILABLE 50 ft Bulk Servo Wire 3001 Rubber Ducky Antenna 1125 Flight Preserver w/Velcro 8480 hitec RCD 10729 Wheatlands Ave #C Santee CA 92071-2883 519 258-4940 quick work bothers However will attack certain enamels especially have cured used Modelmaster spray enamel paint star-and-bar emblem T-28B couple days later used cloth patch soaked lighter fluid clean fingerprints off fuselage found dismay enamel dissolving So very careful about using painted surfaces An exception surface painted K&B probably other two-part epoxy paints does great job cleaning after have cured Several years ago read fine engine after-run oil can inexpensively made 5050 mix lighter fluid regular transmission fluid youre finished flying day just switch fuel line tank small bottle mixture start engine again about one-third throttle after-run mix gets engine lighter fluid will keep running transmission fluid quickly coats moving parts drives out methanol would otherwise remain attracting rustcausing moisture cant reach tank fitting switch just pinch off regular fuel line use medicine dropper syringe add few drops after-run venturi Acetone This hazardous fluid will cover Wear rubber gloves eye protection good-quality charcoal respirator mask whenever use open containers acetone next fluid discuss methyl ethyl ketone Acetone volatile highly flammable liquid sweetish pungent odor will attack dissolve plastics used modeling today fact characteristic what makes useful workshop Applied tiny brush excellent cement plastics can used dissolve glue joint made acetatebased cement such Duco household cement good homemade glue can made dissolving old toothbrush handle small amount acetone Cut handle half-inch pieces drop small glass plastic jar baby food jar fine Add about half inch acetone next morning have very strong glue can have color want just pick right color toothbrush Acetone also excellent debonder cyanoacrylate CyA glues Bob Mikah Barnett Camas Washington offered useful tip recent AMA National Newsletter keep small jar acetone shop bench couple extra CyA bottle tips submerged current tip becomes clogged just drop jar replace jar within day clogged tip will like new Methyl Ethyl Ketone MEK Methyl ethyl ketone dangerous material shop always wear eye protection respirator mask rubber gloves use anything cotton swab dipped flammable will find its way tiniest cut scratch band sting will set free MEK splashed eye can cause permanent damage cornea its washed out first few seconds contact remember water jug Breathing fumeseven momentcan generate headache will put down rest day Prolonged exposure fumes almost guaranteed cause nausea drowsiness physical deterioration Please careful use liquid Nevertheless has uses shop will dissolve almost paint except cured two-part epoxiesand may wreak havoc exposed long enough Like acetone excellent plastic model cement used sparingly use clean parts airbrush paint gun after spraying anything epoxy paints Railroad Colors dried-up dope brush will usually good new its soaked overnight MEK have occasionally used thin dopes lacquers have good results have encased engine clump sod take 0-rings out carburetor soak rest engine MEK will come out bright clear completely free oil grease Oil-soaked wood can restored glueable condition soaking overnight MEK Methyl ethyl ketone sells paint stores about $ 10-12 gallon lasts year heavy user like Let make strong pitch regularly use good-quality charcoal respirator mask Yes know its little trouble put mask get out heavy chemicals dear wife insisted buy use Folks its whole new world comfortmentally physicallywhen have mask good mask tightly fitted cannot detect smell odor strong say MEK good chemicals spray painting sanding dust well grinding away coarse sander dust air thick fog mask will keep nasal passages nice cool moist should brand name mask Paint-Safe retails just less forty dollars uses two replaceable charcoal canisters cost few dollars have used mask fifteen twenty hours over past year canisters still seem good shape wear glasses mask does interfere vision youve learned something article great has triggered idea write editor Model Aviation give rest us benefit experience Above careful materials Although serve well deserve greatest respect odel Aviation
Edition: Model Aviation - 1994/09
Page Numbers: 23, 24, 25, 27, 28
A Chemi Workshop U Graham Hicks t seems hangar talk frequently produces new better ways doing things During particularly productive recent discussion occurred during 45 years model building have found uses half-a-dozen liquids author wears safety gear apron rubber gloves goggles charcoal respirator mask Photos Clint Croghan author September 1994 23 chemicals often modeling friends unaware availability uses such chemicals will discuss handful such substances although will address uses article certainly inclusive Rather hope remind other materials other uses chemicals listed generating lively discussion will benefit modelers Several chemicals extremely toxic caustic flammable explosive will reemphasize characteristics discuss chemical cannot stress too strongly utmost importance understand what working take proper precautions sure shop has proper ventilation work outside Ill start low end danger zone work up powerful chemicals Water worlds universal solvent Given time some cases may eons water will dissolve almost everything foolish enough smoke found interesting could keep extra cigarette lighter flint tucked away cotton wadding Zippo-type lighter lighter fluid ranks fairly powerful solvent wouldnt bother put same flint cup water overnight crumbled pieces keep plastic jug tap water jug distilled water shop tap water comes handy working decals sprinkling shop floor keep down dust general cleanup often use dilute carpenters glue applying tissue building ultralight models occasion found its way down gullet trip refrigerator too much contemplate distilled water saved uses require purified water Since almost tap water contains certain minerals make unsuitable chemical applications distilled water used topping off lead-acid batteries certain NiCd cells use potassium hydroxide solution electrolyte perhaps best reason having gallon water hand safety ignore rules get careless can easily splash paint thinner something hazardous eyes grab water jug within few seconds empty eyes might reduce avoid permanent damage Dont worry about wetting shop floor new Thunderbolt wingnothing shop valuable eyes can always replace balsa Bicarbonate soda Baking Soda Plain old baking soda great have shop few ways can get trouble gentle powder useful putting out grease fires shop fire extinguisher has lost its pressure have good fire extinguisher mounted shop wall dont Baking soda mixed thick paste tap water soothes minor skin burns baking soda makes great filler-bonder cyanoacrylate glues Mineral Spirits Also known petroleum spirits liquid refined crude oil available several types type three usually used thinning oil-based paints highly flammable should kept container purchased have found its main advantages paint thinner 1 much less expensive turpentine 2 has almost no odor Mineral spirits excellent dissolving adhesive used servo wing mounting tape sticky-back tape lead weights sold balancing models can purchase bottles small few ounces art store gallons paint hardware store writing gallon costs about four dollars Glycerin Green Soap Glycerin thick syrupy liquid nonflammable itself attracts water very strongly keep container closed use used industrially manufacture wide range items including cosmetics antifreeze 24 Model Aviation ral spirits can remove sticky-back tape almost anything Quarter-ounce lead weights get treatment Vaseline brand petroleum jelly makes good lubricant test sample before using rubber products Revive paint brush soaking day two trisodium phosphate bristles should touch jar bottom dynamite nitroglycerin Pharmacies sell glycerin well another preparation might have additional uses shop green soap Green soap liquid soap has some antibacterial powers does excellent job cleaning handsparticularly have small cuts scrapes usually have mixed 5Q50 glycerin green soap forms excellent lubricant rubber motors used indoor/outdoor free flight models Some modelers also add small amount K-Y jelly surgical lubricant mixture slicker lube easiest way have found apply squirt few drops plastic food bag add rubber motor simply massage two together outside three products available drug stores Vaseline trade names petroleum jellyanother product refined crude oil nonflammable used commercially purposes such hand body liniments lubricants firearms machinery use occasionally lubricate brass tubing fittings must slide easily also handy coat skin has abraded boxing fans will recognize greasy stuff trainer puts fighter cut opened Although petroleum jelly will temporarily lubricate 0-rings other rubbery fittings well test waste sample since petroleum products cause some types rubber swell lose dimensional stability Auto parts stores sell siliconebased lubricant does fine job lubricating rubber parts Trisodium phosphate TSP nonflammable strongly alkaline powder forms powerful detergent mixed water various proportions TSP useful clean caked grease dirt surfaces before painting fairly strong solution will usually restore paint brush forgot clean Either hang brush let lie flat TSP day two stand its bristles could take set old paint softens Follow directions box always wear rubber gloves eye protection mixing using TSP Isopropyl alcohol rubbing alcohol quite useful has sweet liniment-like smell often used masseurs lubricate skin expensive can usually find sixteen-ounce bottle seventy-five cents discount store 70% solution good enough modeling purposes higher concentrations dont help much shop cost excellent solvent substances its relatively safe handling properties make attractive use have found shop towel like mechanics use liberally doused rubbing alcohol kept coffee can handy wipe stickiness hands fiberglassing finger dipped rubbing alcohol does super job smoothing out moist microballon/resin fillet affecting setting time fillets hardness Caution isopropyl alcohol flammable test article could ignite capful room temperature dipped small stick Lite Ply match quickly ignited it burned about 15 seconds spill isopropyl alcohol workbench could extremely dangerous use least six eight feet away open flame sparks have surface object clean solvent water wont job usually start rubbing alcohol cotton swab havent found plastics rubbing alcohol will damage generally safe standpoint job getting done after several minutes working go next level denatured alcohol Denatured Alcohol ethyl alcohol substance September 1994 25 Quite versatile shop liquid match dropped rubbing alcohol goes out stick dipped burns quickly Use lighter handwarmer fluid quickly remove sticky residue left some price stickers big four among useful chemicals represent greatest fire danger Handle care substances have added allows its use variety industrial art applications make unfit consumption Denatured alcohol poisonous flammable Never drink it cannot made nonpoisonous Caveats accomplished denatured alcohol nevertheless potent solvent will attack certain plastics Test scrap before clean off canopy rag saturated stuff extremely careful use never near open flame unless purpose since its neatest uses small alcohol burner Make out baby food jar soldering one-inch piece brass tubing about 5/i s-inch diameter hole jars top Feed four- five-inch piece soft cotton rope through tubing leaving quarter inch sticking out top coil rest jar Pour small amount denatured alcohol jar screw top back securely wait few minutes alcohol wick its way up rope tip rope feels wet can light match provides safe low-heat lowcarbon flame can used carefully shape plastics sweat-solder small joints build plastic models can heat sprue stretching antennas etc flame easily blown out recommend taking short piece nexthigher-diameter brass tubing crimping end using cap over exposed wick end will keep alcohol evaporating quickly going use lamp again soon pour remaining alcohol back original container otherwise will evaporate few days Though denatured alcohol dangerous some later-described chemicals intended contact skin eyes Wear eye protection rubber gloves using Naval Jelly trade name rust dissolver manufactured Loctite Corporation contains extremely corrosive substance called phosphoric acid available hardware paint discount stores II SUJOOSHIETM BAILS OUT Release scale-like Parachutistl real crowd pleaser lot fun Fluorescent orange pink bright yellow woodland camouflage Complete figure & release system $1895 ec plus $325 slh HOBBY HUT MANUFACTURING 2020 W 21st St N Suits #77 Wichita KS 67203-2107 Dept MAY send SASE o brochure Naval Jelly applied rusted surface stiff brush left work five ten minutes rinsed cold water have found does excellent job removing rust metal surfaces However will attack chrome aluminum painted surfaces mask jelly accidentally brushed wash off immediately start over Since stiff brush should used work rust rubber gloves eye protection should used Handwarmer cigarette lighter fluid advent butane cigarette lighters dont see much little cans lighter fluid used still available ask usually cheaper sporting CKE 31 Light Stone RAP ROAP Sand Yellow Germany Tan USAAFI P5120400 CHE 32 Middlestone USAAP Tan Ijapanl Mid Stone IRAP ACAF FS#30266 CHE 33 Dark Earth USAAF RAP RCAPI P5130118 CHE 34 Lt Blue tGermany P5126329 CKE35 Azure Blue IUSAAF RAP ROAP Germanyl P5135231 CHE 36 Grey tJapan P5136492 CHE 37 Extra Dark Sea Grey RAP ROAP Neutral Grey IUSMPI P5136118 CHE 38 Light Slate Grey IRAP RCAP Green Greyl IGermanyl P5134 159 CHE3B Dark Slate Grey RAP RCAFI Army Green Japan FS#34098 goods counter sold fuel catalytic handwarmers pint costs few dollars still have third pint can left after five six years care can stretched course fluid flammable should never used near open flame Like gasoline prolonged exposure skin can cause irritation may wish use rubber gloves handling Lighter fluid excellent general cleaner plastics painted surfaces its best features its ability remove contact cements such sticky goo left hobby shops price tag prop sheet balsa little spots adhesive often left masking tape cotton swab dipped lighter fluid makes Perfect Paint high quality part fuel proof paint combines conveni ence superb results Perfect Paint will cover dopes epoxies CJV metals fiberglass plastic C smooth hard mar resistant finish will crack chip CHE 40 Ok Green & Extra Ok Sea Green tRAP RCAF Dark Green Germany P5134079 CHE4I Navy Green Japan P5134058 CHE42 Olive Drab USAAP 595 lariginall P5134087 CHE43 Dead Flat Clear 10% glans CHE 44 Sea Blue Semi-Gloss tUSNI PSI 25042 CItE 45 Intermediate Blue Semi-Gloss tUSNI P5135164 CItE 48 Duck Egg Blue Germany RAP P5134516 CHE 47 Zinc Chromate, Type #1 USMP USN RAP RCAP P5134151 CItE 48 Zinc Chromate Type #2 USAAP USNI P5133814 CHE 49 Olive Drab IUSAAPI 59S-A Modern P5134087 CItE 50 Roundel Red RAF RCAP Roundel Red Japan P5130 111 CItE 51 Sky USAAP USNI Sky Type 5- RAP RGAP P5134424 CItE 52 Insignia Blue USAAP USN Roundel Blue RAP RGAF Dark Blue tOermany P5135044 CItE 53 Dark Grey 1USAAP P5135237 CItE 54 Ocean Grey tRAP RCAF P5136176 CItE 55 Dark Gull Grey USAAF USNI P5136231 CItE 56 Dark Sea Grey RAP ROAF P5136270 CHE 57 Sea Grey Medium RAP RCAF P5136373 CItE 56 Medium Grey USMF PSI 36375 CItE 59 Light Grey IUSAAP USN Light Gull Grey USAAP USN USMO Cockpit Interior Grey USAP USN USMC Grey Italy P5136440 CItE 60 Light Grey USAAF PS136495 September 1994 27 Cr CHIP CHARTS AVAILABLE PO Box 2480 Sandusky Ohio 44870 Phone & Fax 419-797-2208 NEED RIC AccEssoRiEs FLY TO HITEC RCD FOR ALL YOUR ACCESSORY NEEDS 6 Y harness 7351# 6 Buffered Y harness 7354# LiZ1 12 Aileron Extension 7345# 24 Aileron Extension 7346# ZL 6 Buffered Servo Conn 7356# LIIEI 9 Male Servo Conn 7342# 9 Female shown 7343# Switch Harness w/Battery & Clip 72 15# L1 Please specify connector type ordering Part # followed Airt J Fut S HitecIRCD & JR ALSO AVAILABLE 50 ft Bulk Servo Wire 3001 Rubber Ducky Antenna 1125 Flight Preserver w/Velcro 8480 hitec RCD 10729 Wheatlands Ave #C Santee CA 92071-2883 519 258-4940 quick work bothers However will attack certain enamels especially have cured used Modelmaster spray enamel paint star-and-bar emblem T-28B couple days later used cloth patch soaked lighter fluid clean fingerprints off fuselage found dismay enamel dissolving So very careful about using painted surfaces An exception surface painted K&B probably other two-part epoxy paints does great job cleaning after have cured Several years ago read fine engine after-run oil can inexpensively made 5050 mix lighter fluid regular transmission fluid youre finished flying day just switch fuel line tank small bottle mixture start engine again about one-third throttle after-run mix gets engine lighter fluid will keep running transmission fluid quickly coats moving parts drives out methanol would otherwise remain attracting rustcausing moisture cant reach tank fitting switch just pinch off regular fuel line use medicine dropper syringe add few drops after-run venturi Acetone This hazardous fluid will cover Wear rubber gloves eye protection good-quality charcoal respirator mask whenever use open containers acetone next fluid discuss methyl ethyl ketone Acetone volatile highly flammable liquid sweetish pungent odor will attack dissolve plastics used modeling today fact characteristic what makes useful workshop Applied tiny brush excellent cement plastics can used dissolve glue joint made acetatebased cement such Duco household cement good homemade glue can made dissolving old toothbrush handle small amount acetone Cut handle half-inch pieces drop small glass plastic jar baby food jar fine Add about half inch acetone next morning have very strong glue can have color want just pick right color toothbrush Acetone also excellent debonder cyanoacrylate CyA glues Bob Mikah Barnett Camas Washington offered useful tip recent AMA National Newsletter keep small jar acetone shop bench couple extra CyA bottle tips submerged current tip becomes clogged just drop jar replace jar within day clogged tip will like new Methyl Ethyl Ketone MEK Methyl ethyl ketone dangerous material shop always wear eye protection respirator mask rubber gloves use anything cotton swab dipped flammable will find its way tiniest cut scratch band sting will set free MEK splashed eye can cause permanent damage cornea its washed out first few seconds contact remember water jug Breathing fumeseven momentcan generate headache will put down rest day Prolonged exposure fumes almost guaranteed cause nausea drowsiness physical deterioration Please careful use liquid Nevertheless has uses shop will dissolve almost paint except cured two-part epoxiesand may wreak havoc exposed long enough Like acetone excellent plastic model cement used sparingly use clean parts airbrush paint gun after spraying anything epoxy paints Railroad Colors dried-up dope brush will usually good new its soaked overnight MEK have occasionally used thin dopes lacquers have good results have encased engine clump sod take 0-rings out carburetor soak rest engine MEK will come out bright clear completely free oil grease Oil-soaked wood can restored glueable condition soaking overnight MEK Methyl ethyl ketone sells paint stores about $ 10-12 gallon lasts year heavy user like Let make strong pitch regularly use good-quality charcoal respirator mask Yes know its little trouble put mask get out heavy chemicals dear wife insisted buy use Folks its whole new world comfortmentally physicallywhen have mask good mask tightly fitted cannot detect smell odor strong say MEK good chemicals spray painting sanding dust well grinding away coarse sander dust air thick fog mask will keep nasal passages nice cool moist should brand name mask Paint-Safe retails just less forty dollars uses two replaceable charcoal canisters cost few dollars have used mask fifteen twenty hours over past year canisters still seem good shape wear glasses mask does interfere vision youve learned something article great has triggered idea write editor Model Aviation give rest us benefit experience Above careful materials Although serve well deserve greatest respect odel Aviation
Edition: Model Aviation - 1994/09
Page Numbers: 23, 24, 25, 27, 28
A Chemi Workshop U Graham Hicks t seems hangar talk frequently produces new better ways doing things During particularly productive recent discussion occurred during 45 years model building have found uses half-a-dozen liquids author wears safety gear apron rubber gloves goggles charcoal respirator mask Photos Clint Croghan author September 1994 23 chemicals often modeling friends unaware availability uses such chemicals will discuss handful such substances although will address uses article certainly inclusive Rather hope remind other materials other uses chemicals listed generating lively discussion will benefit modelers Several chemicals extremely toxic caustic flammable explosive will reemphasize characteristics discuss chemical cannot stress too strongly utmost importance understand what working take proper precautions sure shop has proper ventilation work outside Ill start low end danger zone work up powerful chemicals Water worlds universal solvent Given time some cases may eons water will dissolve almost everything foolish enough smoke found interesting could keep extra cigarette lighter flint tucked away cotton wadding Zippo-type lighter lighter fluid ranks fairly powerful solvent wouldnt bother put same flint cup water overnight crumbled pieces keep plastic jug tap water jug distilled water shop tap water comes handy working decals sprinkling shop floor keep down dust general cleanup often use dilute carpenters glue applying tissue building ultralight models occasion found its way down gullet trip refrigerator too much contemplate distilled water saved uses require purified water Since almost tap water contains certain minerals make unsuitable chemical applications distilled water used topping off lead-acid batteries certain NiCd cells use potassium hydroxide solution electrolyte perhaps best reason having gallon water hand safety ignore rules get careless can easily splash paint thinner something hazardous eyes grab water jug within few seconds empty eyes might reduce avoid permanent damage Dont worry about wetting shop floor new Thunderbolt wingnothing shop valuable eyes can always replace balsa Bicarbonate soda Baking Soda Plain old baking soda great have shop few ways can get trouble gentle powder useful putting out grease fires shop fire extinguisher has lost its pressure have good fire extinguisher mounted shop wall dont Baking soda mixed thick paste tap water soothes minor skin burns baking soda makes great filler-bonder cyanoacrylate glues Mineral Spirits Also known petroleum spirits liquid refined crude oil available several types type three usually used thinning oil-based paints highly flammable should kept container purchased have found its main advantages paint thinner 1 much less expensive turpentine 2 has almost no odor Mineral spirits excellent dissolving adhesive used servo wing mounting tape sticky-back tape lead weights sold balancing models can purchase bottles small few ounces art store gallons paint hardware store writing gallon costs about four dollars Glycerin Green Soap Glycerin thick syrupy liquid nonflammable itself attracts water very strongly keep container closed use used industrially manufacture wide range items including cosmetics antifreeze 24 Model Aviation ral spirits can remove sticky-back tape almost anything Quarter-ounce lead weights get treatment Vaseline brand petroleum jelly makes good lubricant test sample before using rubber products Revive paint brush soaking day two trisodium phosphate bristles should touch jar bottom dynamite nitroglycerin Pharmacies sell glycerin well another preparation might have additional uses shop green soap Green soap liquid soap has some antibacterial powers does excellent job cleaning handsparticularly have small cuts scrapes usually have mixed 5Q50 glycerin green soap forms excellent lubricant rubber motors used indoor/outdoor free flight models Some modelers also add small amount K-Y jelly surgical lubricant mixture slicker lube easiest way have found apply squirt few drops plastic food bag add rubber motor simply massage two together outside three products available drug stores Vaseline trade names petroleum jellyanother product refined crude oil nonflammable used commercially purposes such hand body liniments lubricants firearms machinery use occasionally lubricate brass tubing fittings must slide easily also handy coat skin has abraded boxing fans will recognize greasy stuff trainer puts fighter cut opened Although petroleum jelly will temporarily lubricate 0-rings other rubbery fittings well test waste sample since petroleum products cause some types rubber swell lose dimensional stability Auto parts stores sell siliconebased lubricant does fine job lubricating rubber parts Trisodium phosphate TSP nonflammable strongly alkaline powder forms powerful detergent mixed water various proportions TSP useful clean caked grease dirt surfaces before painting fairly strong solution will usually restore paint brush forgot clean Either hang brush let lie flat TSP day two stand its bristles could take set old paint softens Follow directions box always wear rubber gloves eye protection mixing using TSP Isopropyl alcohol rubbing alcohol quite useful has sweet liniment-like smell often used masseurs lubricate skin expensive can usually find sixteen-ounce bottle seventy-five cents discount store 70% solution good enough modeling purposes higher concentrations dont help much shop cost excellent solvent substances its relatively safe handling properties make attractive use have found shop towel like mechanics use liberally doused rubbing alcohol kept coffee can handy wipe stickiness hands fiberglassing finger dipped rubbing alcohol does super job smoothing out moist microballon/resin fillet affecting setting time fillets hardness Caution isopropyl alcohol flammable test article could ignite capful room temperature dipped small stick Lite Ply match quickly ignited it burned about 15 seconds spill isopropyl alcohol workbench could extremely dangerous use least six eight feet away open flame sparks have surface object clean solvent water wont job usually start rubbing alcohol cotton swab havent found plastics rubbing alcohol will damage generally safe standpoint job getting done after several minutes working go next level denatured alcohol Denatured Alcohol ethyl alcohol substance September 1994 25 Quite versatile shop liquid match dropped rubbing alcohol goes out stick dipped burns quickly Use lighter handwarmer fluid quickly remove sticky residue left some price stickers big four among useful chemicals represent greatest fire danger Handle care substances have added allows its use variety industrial art applications make unfit consumption Denatured alcohol poisonous flammable Never drink it cannot made nonpoisonous Caveats accomplished denatured alcohol nevertheless potent solvent will attack certain plastics Test scrap before clean off canopy rag saturated stuff extremely careful use never near open flame unless purpose since its neatest uses small alcohol burner Make out baby food jar soldering one-inch piece brass tubing about 5/i s-inch diameter hole jars top Feed four- five-inch piece soft cotton rope through tubing leaving quarter inch sticking out top coil rest jar Pour small amount denatured alcohol jar screw top back securely wait few minutes alcohol wick its way up rope tip rope feels wet can light match provides safe low-heat lowcarbon flame can used carefully shape plastics sweat-solder small joints build plastic models can heat sprue stretching antennas etc flame easily blown out recommend taking short piece nexthigher-diameter brass tubing crimping end using cap over exposed wick end will keep alcohol evaporating quickly going use lamp again soon pour remaining alcohol back original container otherwise will evaporate few days Though denatured alcohol dangerous some later-described chemicals intended contact skin eyes Wear eye protection rubber gloves using Naval Jelly trade name rust dissolver manufactured Loctite Corporation contains extremely corrosive substance called phosphoric acid available hardware paint discount stores II SUJOOSHIETM BAILS OUT Release scale-like Parachutistl real crowd pleaser lot fun Fluorescent orange pink bright yellow woodland camouflage Complete figure & release system $1895 ec plus $325 slh HOBBY HUT MANUFACTURING 2020 W 21st St N Suits #77 Wichita KS 67203-2107 Dept MAY send SASE o brochure Naval Jelly applied rusted surface stiff brush left work five ten minutes rinsed cold water have found does excellent job removing rust metal surfaces However will attack chrome aluminum painted surfaces mask jelly accidentally brushed wash off immediately start over Since stiff brush should used work rust rubber gloves eye protection should used Handwarmer cigarette lighter fluid advent butane cigarette lighters dont see much little cans lighter fluid used still available ask usually cheaper sporting CKE 31 Light Stone RAP ROAP Sand Yellow Germany Tan USAAFI P5120400 CHE 32 Middlestone USAAP Tan Ijapanl Mid Stone IRAP ACAF FS#30266 CHE 33 Dark Earth USAAF RAP RCAPI P5130118 CHE 34 Lt Blue tGermany P5126329 CKE35 Azure Blue IUSAAF RAP ROAP Germanyl P5135231 CHE 36 Grey tJapan P5136492 CHE 37 Extra Dark Sea Grey RAP ROAP Neutral Grey IUSMPI P5136118 CHE 38 Light Slate Grey IRAP RCAP Green Greyl IGermanyl P5134 159 CHE3B Dark Slate Grey RAP RCAFI Army Green Japan FS#34098 goods counter sold fuel catalytic handwarmers pint costs few dollars still have third pint can left after five six years care can stretched course fluid flammable should never used near open flame Like gasoline prolonged exposure skin can cause irritation may wish use rubber gloves handling Lighter fluid excellent general cleaner plastics painted surfaces its best features its ability remove contact cements such sticky goo left hobby shops price tag prop sheet balsa little spots adhesive often left masking tape cotton swab dipped lighter fluid makes Perfect Paint high quality part fuel proof paint combines conveni ence superb results Perfect Paint will cover dopes epoxies CJV metals fiberglass plastic C smooth hard mar resistant finish will crack chip CHE 40 Ok Green & Extra Ok Sea Green tRAP RCAF Dark Green Germany P5134079 CHE4I Navy Green Japan P5134058 CHE42 Olive Drab USAAP 595 lariginall P5134087 CHE43 Dead Flat Clear 10% glans CHE 44 Sea Blue Semi-Gloss tUSNI PSI 25042 CItE 45 Intermediate Blue Semi-Gloss tUSNI P5135164 CItE 48 Duck Egg Blue Germany RAP P5134516 CHE 47 Zinc Chromate, Type #1 USMP USN RAP RCAP P5134151 CItE 48 Zinc Chromate Type #2 USAAP USNI P5133814 CHE 49 Olive Drab IUSAAPI 59S-A Modern P5134087 CItE 50 Roundel Red RAF RCAP Roundel Red Japan P5130 111 CItE 51 Sky USAAP USNI Sky Type 5- RAP RGAP P5134424 CItE 52 Insignia Blue USAAP USN Roundel Blue RAP RGAF Dark Blue tOermany P5135044 CItE 53 Dark Grey 1USAAP P5135237 CItE 54 Ocean Grey tRAP RCAF P5136176 CItE 55 Dark Gull Grey USAAF USNI P5136231 CItE 56 Dark Sea Grey RAP ROAF P5136270 CHE 57 Sea Grey Medium RAP RCAF P5136373 CItE 56 Medium Grey USMF PSI 36375 CItE 59 Light Grey IUSAAP USN Light Gull Grey USAAP USN USMO Cockpit Interior Grey USAP USN USMC Grey Italy P5136440 CItE 60 Light Grey USAAF PS136495 September 1994 27 Cr CHIP CHARTS AVAILABLE PO Box 2480 Sandusky Ohio 44870 Phone & Fax 419-797-2208 NEED RIC AccEssoRiEs FLY TO HITEC RCD FOR ALL YOUR ACCESSORY NEEDS 6 Y harness 7351# 6 Buffered Y harness 7354# LiZ1 12 Aileron Extension 7345# 24 Aileron Extension 7346# ZL 6 Buffered Servo Conn 7356# LIIEI 9 Male Servo Conn 7342# 9 Female shown 7343# Switch Harness w/Battery & Clip 72 15# L1 Please specify connector type ordering Part # followed Airt J Fut S HitecIRCD & JR ALSO AVAILABLE 50 ft Bulk Servo Wire 3001 Rubber Ducky Antenna 1125 Flight Preserver w/Velcro 8480 hitec RCD 10729 Wheatlands Ave #C Santee CA 92071-2883 519 258-4940 quick work bothers However will attack certain enamels especially have cured used Modelmaster spray enamel paint star-and-bar emblem T-28B couple days later used cloth patch soaked lighter fluid clean fingerprints off fuselage found dismay enamel dissolving So very careful about using painted surfaces An exception surface painted K&B probably other two-part epoxy paints does great job cleaning after have cured Several years ago read fine engine after-run oil can inexpensively made 5050 mix lighter fluid regular transmission fluid youre finished flying day just switch fuel line tank small bottle mixture start engine again about one-third throttle after-run mix gets engine lighter fluid will keep running transmission fluid quickly coats moving parts drives out methanol would otherwise remain attracting rustcausing moisture cant reach tank fitting switch just pinch off regular fuel line use medicine dropper syringe add few drops after-run venturi Acetone This hazardous fluid will cover Wear rubber gloves eye protection good-quality charcoal respirator mask whenever use open containers acetone next fluid discuss methyl ethyl ketone Acetone volatile highly flammable liquid sweetish pungent odor will attack dissolve plastics used modeling today fact characteristic what makes useful workshop Applied tiny brush excellent cement plastics can used dissolve glue joint made acetatebased cement such Duco household cement good homemade glue can made dissolving old toothbrush handle small amount acetone Cut handle half-inch pieces drop small glass plastic jar baby food jar fine Add about half inch acetone next morning have very strong glue can have color want just pick right color toothbrush Acetone also excellent debonder cyanoacrylate CyA glues Bob Mikah Barnett Camas Washington offered useful tip recent AMA National Newsletter keep small jar acetone shop bench couple extra CyA bottle tips submerged current tip becomes clogged just drop jar replace jar within day clogged tip will like new Methyl Ethyl Ketone MEK Methyl ethyl ketone dangerous material shop always wear eye protection respirator mask rubber gloves use anything cotton swab dipped flammable will find its way tiniest cut scratch band sting will set free MEK splashed eye can cause permanent damage cornea its washed out first few seconds contact remember water jug Breathing fumeseven momentcan generate headache will put down rest day Prolonged exposure fumes almost guaranteed cause nausea drowsiness physical deterioration Please careful use liquid Nevertheless has uses shop will dissolve almost paint except cured two-part epoxiesand may wreak havoc exposed long enough Like acetone excellent plastic model cement used sparingly use clean parts airbrush paint gun after spraying anything epoxy paints Railroad Colors dried-up dope brush will usually good new its soaked overnight MEK have occasionally used thin dopes lacquers have good results have encased engine clump sod take 0-rings out carburetor soak rest engine MEK will come out bright clear completely free oil grease Oil-soaked wood can restored glueable condition soaking overnight MEK Methyl ethyl ketone sells paint stores about $ 10-12 gallon lasts year heavy user like Let make strong pitch regularly use good-quality charcoal respirator mask Yes know its little trouble put mask get out heavy chemicals dear wife insisted buy use Folks its whole new world comfortmentally physicallywhen have mask good mask tightly fitted cannot detect smell odor strong say MEK good chemicals spray painting sanding dust well grinding away coarse sander dust air thick fog mask will keep nasal passages nice cool moist should brand name mask Paint-Safe retails just less forty dollars uses two replaceable charcoal canisters cost few dollars have used mask fifteen twenty hours over past year canisters still seem good shape wear glasses mask does interfere vision youve learned something article great has triggered idea write editor Model Aviation give rest us benefit experience Above careful materials Although serve well deserve greatest respect odel Aviation