CO Messerschmitt Me4G3B full-size plane radical aircraft ever built Replicating CO2 power carries its unique heritage AA Lidberg ALTHOUGH operational nine months end World War II Messerschmitt Me- 163 clearly way leapfrogging everything Allied designers drawing board end war came Me-163 came another brilliant idea never reached full development Nevertheless stands radical combat air craft have seen action Second World War Imagine being young German pilot strapping yourself inside machine about launched catapult assist atop dolly Once airborne Walther HWK 509A rocket engine will blast 35000 ft just about three minutes ac tual climb rate 16075 ftIrnin altitude will line yourself up behind stream incoming bomb ers beneath Once position point plane down reopen fuel feed en gine make full power dive top speed 597 mph B-24s try hit bombers two 20mm cannons carry ap proaching such high rate speed aiming al impossible fly up down through stream bombers times can three min utes run time before engine exhausts its fuel actually man aged hit bombers count yourself lucky young manonly nine kills Me-163 will ever recorded As attack run ends danger really begins Without engine 68 Model Aviation Top The Me-163 along authors scale documentation German Secret Weapons Blueprint Mars Brian Ford Above wheels large model drop off flight menacing rocket plane becomes slow vulnerable little bird easy prey rov ing conventional WW H fighter plane manage avoid enemy contact glide back home field theres still danger awaiting engines hypergolic fuel left tanks chances bumping bouncing landing will cause ex plode Somehow manage live through 30 minutes since takeoff dolly dropped away have ride life model presented designed powered Brown Peanut CO2 motor may strike bit radical its own right looking three-view drawing aircraft little prop used turn generator caught eye idea born first version simple unpainted balsa sheet Hand-Launched Glider ex ploring flying wing layout course afternoon progressed catapult launch rubber power prop fi nally finishing day CO2 power stage flew fine few problems CO2 power what really made come alive Its great sight see strange little Peanut-sized model climb out height hand-launched model can thrown cruise around up over minute Brown Junior motor doesnt pro vide thrust-to-weight ratio rocket engine model does have good flying habits full-size plane nonscale Free Flight builders whove seen fly amazed its performance Construction Me-163 quite easy fact theres probably enough scrap balsa already laying around shop build entire thing Trace cut out wing panels mak ing sure grain runs parallel lead ing edge Mark elevon location cut short cross-grain lines Use table knife score hinge line can bent being cut loose Glue small pieces twist-tie underside elevon will hold setting Cut out two rib working air glue place Sand slight bevel center rib panel glue wing halves together side blocked up dihedral Run 1A-in band thin Hot Stuff along leading edge wing toughen Trace cut out body fin Use fuselage trace out shapes /32 doublers Cut out ply motor mount disk want use wheels install flat tened tube before gluing doublers see plans dont use wheels add wire skid bottom forward part body Add tank bracing hooks tail skid wire fin Glue wing place add fillet Continued page 158 August 1988 69 Me-i 63 builds easily full-size plan pages 86-87 scrap balsa proba bly already have laying around Glue ribs place holding wing air Camouflage colors dark green black green top light blue bottom author used decals 1/72-scale Ju-52 could cut ones plan Because power CO2 model can left unpainted shorten building time reduce weight dark spots rudder pieces twist ties hold offset II Sheet Wing-.II II II Ii Ii Ii II II II24 - 1/32 -After Sht Doublers r /r/~ 3/32 Alum Tube Flatten 1/16 Glued Dihedral Detail I 1/16 4 t INS. s . .. ~ fl ..E p * " Cutout Win bMV Balance 4 inter C02 Blue Line 015 Sk E~uuuEEEEEEEEE EEEUN inininuinuuuuuuininininin 519 GLOW FUEL MANUFACTURED WITH THE PUREST FINEST QUALITY INGREDIENTS AVAILABLE * Superior Igniters- Improve starting idle acceleration Youll notice power bargain fuels * Special Detergents Promote clean burning prevent residue buildup * Rust Inhibitors Protect engines corrosion After run oil needed engines * Film Strength Additives Increase lubricity provide extra lean run protection * Anti-Wear Additives Help keep engines running peak performance longer * Satisfaction Guaranteed SIG CHAMPION 2-STROKE FUEL FREIGHT FREE SHIPPINGON ORDERS OVER$1500 ECT PINT QUARTGALLON55 GAL DRUM 0% Ntremethane 50$Q75$19695 5% Nitromethane $1275$26495 10% Nitromethane $415 $ 5014 75$32995 15% Nitromethan $43c$35$1675$38995 25% Nitromethane $515 S5$L95$52495 35% Nitromethane $5 95 $925$2695$66995 SIG PREMIUM 4-STROKE FUEL 10% Nitromethane$1425$29995 15% Nitromethane$1625I$36495 THE CHOICE OF CHAMPION FLYERS over 20 years SIG has blending finest quality model engine fuel available using finest quality ingredients instance Methanol use 995% pure very best grade money can buy also use real 100% pure Nitromethane get full measure youve paid based honest percentage-of-volume method percentage weight SIG fuels con tain 50-50 blend Bakers purest AA Castor Oil new improved Klotz Techniplate Synthetic Racing Oil maximum engine lubrication protection Based experience sincerely believe finest quality fuel can made price dont take word try some judge yourselfPiCOS Sobled change wttVot notiCO See dealer first available order direct Call IJ 800-247-5008 toll free orders Latest Catalog $300 SIG MANUFACTURING CO Montezuma IA 50171 program allows maximum 50 lo cations per program run should enough locations assigned horizontal X vertical Y value easiest quickest way to draw shape tracing paper place tracing top graph paper ruled millimeters tenthsof-an-inch sake clarity inch subdivisions shown Figure 1 used original plot stabilizer outline Figure 1 might well have somewhat smaller since would normally plot part flying surface actually accounts lift area contained within fuse lage have found takes relatively lit tle time plotting X-Y coordi nates just few minutes curved surfaces Once X-Y locations have fig ured run program enter coordi nates Note program first asks total number locations first X-Y location included twice once first location again last illustrated Figure 1 program includes error trap certain have followed convention dont program will dump out make re-enter data again Just take time entering coordi nates checking along way avoid typ ing errors Finally program BASIC code listing Figure 2 will supply square area form screen ask user wants printout should help ful since printout also summarizes X-Y coordinates user should check against original plotted values accuracy programs printout stabilizer shape drawn Figure 1 shown Figure 3 Programming guide have never created used BASIC language pro gram just follow easy steps outlined below program described arti cle written IBM-PC family computers including work-alike clones Ill assume know start up computer installing MS-DOS PC-DOS operating system Ill also assume machine has two floppy disk drives common con figuration Note Users other computer brands such Apple Commodore will have translate program BASIC language variation used computers task beyond scope article Step 1 ating system disk drive replace BASIC language disk such GW-BASIC Youll want keep finished program sep arate disk place formatted diskette drive B time Step 2 BASIC disk drive enter GW-BASIC its equivalent after prompt press return will bring programming environ ment Step 3 Enter word NEW indicate new program press return com puter will respond OK Now type pro gram exactly appears Figure 2 Press return key end line order go next line certain keep spacing punctuation marks precisely appear Figure 2 Step 4 After program has typed press return once again enter fol lowing message SAVE BAREABAS include quotation marks will store completed program disk lo cated B drive under name AREABAS can use future occasions want try program time just enter RUN press return Step 5 use program later date once again load BASIC programming language drive program disk should B enter LOAD BAREABAS include quotation marks press return after pro gram loads enter RUN begin CO-2 Komet/Lidberg Continued page 69 pieces attach motor mount Locate charge fitting just behind 158 Model Aviation motor pointing forward Flying Check plane balances point indicated plans before going out fly adding clay nose tail correct necessary Preset elevons bent up about /t6 Begin test gliding over some nice thick grass 163 wants glide fast give good solid push launch little adjust ing placement clay amount elevon deflection may neces sary proper trim Charge up motor hand launch gentle push glide trim anywhere near OK 163 should climb out nicely Try varying motors speed see what effects climb thrust line shown moder ate power setting 163 should climb series gentle power stalls somewhere between 75 100 ft cruise come down fast would like model have scalelike steep climb rate add slight amount downthrust motor model capable rise-off-ground flights Placed fairly smooth surface recently graded dirt road will ROG two five feet moder ate power setting might want experiment should possible install flattened tubing vertically wheels will drop off takeoff type flight trim model fly wheels Finishing Paint model very thin coats avoid weight buildup did airbrush spraying mixture nontautening nitrate dope pigment Floquil model train paints mix paint start new bottle Floquil pour off liquid Refill bottle thinner dope using shake mix spraying use mixture part new pigment mix five 10 parts clear dope Sigs Lite Coat works well coat color mixture thinned enough spray about right colors adds little weight used clear Contac shelf paper mask ing out camouflage patterns Flat spray enamels could also used model Make photocopy insignias glue get set ESCI %2-scale de cals Ju-52 did Me-163 has exciting project Flying wings have intrigued years hope too will try out fun excitement building fly ing CL Aerobatics/Fancher Continued page 70 lift nose-heavy ship greater elevator deflection necessary level flight greater change elevator position maintain constantly changing angle attack requirement wind As ihip gets too nose-heavy surprising pilot un able precisely manage input necessary maintain level track vast experience half-vast some peers might amend conventional flapped Stunters will have CG located 16% 18% average chord empty gas tank youve moved CU forward try cure hunting prob lem take out weight start looking else might also want ponder shift CU comes burning large amounts fuel out nose light Stunter might cause ship hunt unacceptably beginning flight settle down towards end CU moves aft can sec classic cures hunting airplane se weight ldom good idea True ship too tail-heavy might very well tough fly level would also have number other significant problems would very twitchy maneuvers would likely light lines flight would also float excessively dur ing glide t light lines difficult contrul glide Another aerodynamic source hunting could having adjustable control line leadOuts too far aft Since CU ship aligns self lead-out position flight can seen under condition Stunter would flying excessively crabbed condition center point lead-outs should almost never aft CU inch-anda-half Ted says ship hunts dead calm air too CU right 16% mean Continued page 162 August 1988 159 AllIMTh IPThThi TING SERVICE QUICK SERVICE OVER 300 ORDINATE SETS ON FILE SEND $200 and SASH long envelope samples list airfoils hand now SEND $500 SASE long plot yonr chord length set samples name anveral airfoils order preference Inclade photo copy shape data possible SEND $1000 PLOT SHAPE CATALOG 300 pIns airfoils 6 inch plots plas historical airfoil information other asefall airfoil data many pages STANDARD PLOTS. nader 10 inches paga Large chords availahle extra cost cost proportional chord length 20 chord twice cost 10 plot CUSTOM PLOTrING AVAILABLE Can modify camher thickness add pieces together can show varions skin thicknesses sop & bottom different TAPERED WING PLOTS $1000 Set ap pbs 50 cents per rib over 10 slightly higher THIS MONTHS HOT PLOTS NACA 0009 Oreat staht EPPLER 193 195 197 RAP 31 32 33 Can show 1/16 thor 1/8th Skin thickness NO EXTRA CHARGE Hot plots Only $100 over 10 $200 TI-lB PTERANODON PRESS nRtcas NEVELN PO BOX 3630 OAKLAND c 5161151630
Edition: Model Aviation - 1988/08
Page Numbers: 68, 69, 86, 87, 158, 159
CO Messerschmitt Me4G3B full-size plane radical aircraft ever built Replicating CO2 power carries its unique heritage AA Lidberg ALTHOUGH operational nine months end World War II Messerschmitt Me- 163 clearly way leapfrogging everything Allied designers drawing board end war came Me-163 came another brilliant idea never reached full development Nevertheless stands radical combat air craft have seen action Second World War Imagine being young German pilot strapping yourself inside machine about launched catapult assist atop dolly Once airborne Walther HWK 509A rocket engine will blast 35000 ft just about three minutes ac tual climb rate 16075 ftIrnin altitude will line yourself up behind stream incoming bomb ers beneath Once position point plane down reopen fuel feed en gine make full power dive top speed 597 mph B-24s try hit bombers two 20mm cannons carry ap proaching such high rate speed aiming al impossible fly up down through stream bombers times can three min utes run time before engine exhausts its fuel actually man aged hit bombers count yourself lucky young manonly nine kills Me-163 will ever recorded As attack run ends danger really begins Without engine 68 Model Aviation Top The Me-163 along authors scale documentation German Secret Weapons Blueprint Mars Brian Ford Above wheels large model drop off flight menacing rocket plane becomes slow vulnerable little bird easy prey rov ing conventional WW H fighter plane manage avoid enemy contact glide back home field theres still danger awaiting engines hypergolic fuel left tanks chances bumping bouncing landing will cause ex plode Somehow manage live through 30 minutes since takeoff dolly dropped away have ride life model presented designed powered Brown Peanut CO2 motor may strike bit radical its own right looking three-view drawing aircraft little prop used turn generator caught eye idea born first version simple unpainted balsa sheet Hand-Launched Glider ex ploring flying wing layout course afternoon progressed catapult launch rubber power prop fi nally finishing day CO2 power stage flew fine few problems CO2 power what really made come alive Its great sight see strange little Peanut-sized model climb out height hand-launched model can thrown cruise around up over minute Brown Junior motor doesnt pro vide thrust-to-weight ratio rocket engine model does have good flying habits full-size plane nonscale Free Flight builders whove seen fly amazed its performance Construction Me-163 quite easy fact theres probably enough scrap balsa already laying around shop build entire thing Trace cut out wing panels mak ing sure grain runs parallel lead ing edge Mark elevon location cut short cross-grain lines Use table knife score hinge line can bent being cut loose Glue small pieces twist-tie underside elevon will hold setting Cut out two rib working air glue place Sand slight bevel center rib panel glue wing halves together side blocked up dihedral Run 1A-in band thin Hot Stuff along leading edge wing toughen Trace cut out body fin Use fuselage trace out shapes /32 doublers Cut out ply motor mount disk want use wheels install flat tened tube before gluing doublers see plans dont use wheels add wire skid bottom forward part body Add tank bracing hooks tail skid wire fin Glue wing place add fillet Continued page 158 August 1988 69 Me-i 63 builds easily full-size plan pages 86-87 scrap balsa proba bly already have laying around Glue ribs place holding wing air Camouflage colors dark green black green top light blue bottom author used decals 1/72-scale Ju-52 could cut ones plan Because power CO2 model can left unpainted shorten building time reduce weight dark spots rudder pieces twist ties hold offset II Sheet Wing-.II II II Ii Ii Ii II II II24 - 1/32 -After Sht Doublers r /r/~ 3/32 Alum Tube Flatten 1/16 Glued Dihedral Detail I 1/16 4 t INS. s . .. ~ fl ..E p * " Cutout Win bMV Balance 4 inter C02 Blue Line 015 Sk E~uuuEEEEEEEEE EEEUN inininuinuuuuuuininininin 519 GLOW FUEL MANUFACTURED WITH THE PUREST FINEST QUALITY INGREDIENTS AVAILABLE * Superior Igniters- Improve starting idle acceleration Youll notice power bargain fuels * Special Detergents Promote clean burning prevent residue buildup * Rust Inhibitors Protect engines corrosion After run oil needed engines * Film Strength Additives Increase lubricity provide extra lean run protection * Anti-Wear Additives Help keep engines running peak performance longer * Satisfaction Guaranteed SIG CHAMPION 2-STROKE FUEL FREIGHT FREE SHIPPINGON ORDERS OVER$1500 ECT PINT QUARTGALLON55 GAL DRUM 0% Ntremethane 50$Q75$19695 5% Nitromethane $1275$26495 10% Nitromethane $415 $ 5014 75$32995 15% Nitromethan $43c$35$1675$38995 25% Nitromethane $515 S5$L95$52495 35% Nitromethane $5 95 $925$2695$66995 SIG PREMIUM 4-STROKE FUEL 10% Nitromethane$1425$29995 15% Nitromethane$1625I$36495 THE CHOICE OF CHAMPION FLYERS over 20 years SIG has blending finest quality model engine fuel available using finest quality ingredients instance Methanol use 995% pure very best grade money can buy also use real 100% pure Nitromethane get full measure youve paid based honest percentage-of-volume method percentage weight SIG fuels con tain 50-50 blend Bakers purest AA Castor Oil new improved Klotz Techniplate Synthetic Racing Oil maximum engine lubrication protection Based experience sincerely believe finest quality fuel can made price dont take word try some judge yourselfPiCOS Sobled change wttVot notiCO See dealer first available order direct Call IJ 800-247-5008 toll free orders Latest Catalog $300 SIG MANUFACTURING CO Montezuma IA 50171 program allows maximum 50 lo cations per program run should enough locations assigned horizontal X vertical Y value easiest quickest way to draw shape tracing paper place tracing top graph paper ruled millimeters tenthsof-an-inch sake clarity inch subdivisions shown Figure 1 used original plot stabilizer outline Figure 1 might well have somewhat smaller since would normally plot part flying surface actually accounts lift area contained within fuse lage have found takes relatively lit tle time plotting X-Y coordi nates just few minutes curved surfaces Once X-Y locations have fig ured run program enter coordi nates Note program first asks total number locations first X-Y location included twice once first location again last illustrated Figure 1 program includes error trap certain have followed convention dont program will dump out make re-enter data again Just take time entering coordi nates checking along way avoid typ ing errors Finally program BASIC code listing Figure 2 will supply square area form screen ask user wants printout should help ful since printout also summarizes X-Y coordinates user should check against original plotted values accuracy programs printout stabilizer shape drawn Figure 1 shown Figure 3 Programming guide have never created used BASIC language pro gram just follow easy steps outlined below program described arti cle written IBM-PC family computers including work-alike clones Ill assume know start up computer installing MS-DOS PC-DOS operating system Ill also assume machine has two floppy disk drives common con figuration Note Users other computer brands such Apple Commodore will have translate program BASIC language variation used computers task beyond scope article Step 1 ating system disk drive replace BASIC language disk such GW-BASIC Youll want keep finished program sep arate disk place formatted diskette drive B time Step 2 BASIC disk drive enter GW-BASIC its equivalent after prompt press return will bring programming environ ment Step 3 Enter word NEW indicate new program press return com puter will respond OK Now type pro gram exactly appears Figure 2 Press return key end line order go next line certain keep spacing punctuation marks precisely appear Figure 2 Step 4 After program has typed press return once again enter fol lowing message SAVE BAREABAS include quotation marks will store completed program disk lo cated B drive under name AREABAS can use future occasions want try program time just enter RUN press return Step 5 use program later date once again load BASIC programming language drive program disk should B enter LOAD BAREABAS include quotation marks press return after pro gram loads enter RUN begin CO-2 Komet/Lidberg Continued page 69 pieces attach motor mount Locate charge fitting just behind 158 Model Aviation motor pointing forward Flying Check plane balances point indicated plans before going out fly adding clay nose tail correct necessary Preset elevons bent up about /t6 Begin test gliding over some nice thick grass 163 wants glide fast give good solid push launch little adjust ing placement clay amount elevon deflection may neces sary proper trim Charge up motor hand launch gentle push glide trim anywhere near OK 163 should climb out nicely Try varying motors speed see what effects climb thrust line shown moder ate power setting 163 should climb series gentle power stalls somewhere between 75 100 ft cruise come down fast would like model have scalelike steep climb rate add slight amount downthrust motor model capable rise-off-ground flights Placed fairly smooth surface recently graded dirt road will ROG two five feet moder ate power setting might want experiment should possible install flattened tubing vertically wheels will drop off takeoff type flight trim model fly wheels Finishing Paint model very thin coats avoid weight buildup did airbrush spraying mixture nontautening nitrate dope pigment Floquil model train paints mix paint start new bottle Floquil pour off liquid Refill bottle thinner dope using shake mix spraying use mixture part new pigment mix five 10 parts clear dope Sigs Lite Coat works well coat color mixture thinned enough spray about right colors adds little weight used clear Contac shelf paper mask ing out camouflage patterns Flat spray enamels could also used model Make photocopy insignias glue get set ESCI %2-scale de cals Ju-52 did Me-163 has exciting project Flying wings have intrigued years hope too will try out fun excitement building fly ing CL Aerobatics/Fancher Continued page 70 lift nose-heavy ship greater elevator deflection necessary level flight greater change elevator position maintain constantly changing angle attack requirement wind As ihip gets too nose-heavy surprising pilot un able precisely manage input necessary maintain level track vast experience half-vast some peers might amend conventional flapped Stunters will have CG located 16% 18% average chord empty gas tank youve moved CU forward try cure hunting prob lem take out weight start looking else might also want ponder shift CU comes burning large amounts fuel out nose light Stunter might cause ship hunt unacceptably beginning flight settle down towards end CU moves aft can sec classic cures hunting airplane se weight ldom good idea True ship too tail-heavy might very well tough fly level would also have number other significant problems would very twitchy maneuvers would likely light lines flight would also float excessively dur ing glide t light lines difficult contrul glide Another aerodynamic source hunting could having adjustable control line leadOuts too far aft Since CU ship aligns self lead-out position flight can seen under condition Stunter would flying excessively crabbed condition center point lead-outs should almost never aft CU inch-anda-half Ted says ship hunts dead calm air too CU right 16% mean Continued page 162 August 1988 159 AllIMTh IPThThi TING SERVICE QUICK SERVICE OVER 300 ORDINATE SETS ON FILE SEND $200 and SASH long envelope samples list airfoils hand now SEND $500 SASE long plot yonr chord length set samples name anveral airfoils order preference Inclade photo copy shape data possible SEND $1000 PLOT SHAPE CATALOG 300 pIns airfoils 6 inch plots plas historical airfoil information other asefall airfoil data many pages STANDARD PLOTS. nader 10 inches paga Large chords availahle extra cost cost proportional chord length 20 chord twice cost 10 plot CUSTOM PLOTrING AVAILABLE Can modify camher thickness add pieces together can show varions skin thicknesses sop & bottom different TAPERED WING PLOTS $1000 Set ap pbs 50 cents per rib over 10 slightly higher THIS MONTHS HOT PLOTS NACA 0009 Oreat staht EPPLER 193 195 197 RAP 31 32 33 Can show 1/16 thor 1/8th Skin thickness NO EXTRA CHARGE Hot plots Only $100 over 10 $200 TI-lB PTERANODON PRESS nRtcas NEVELN PO BOX 3630 OAKLAND c 5161151630
Edition: Model Aviation - 1988/08
Page Numbers: 68, 69, 86, 87, 158, 159
CO Messerschmitt Me4G3B full-size plane radical aircraft ever built Replicating CO2 power carries its unique heritage AA Lidberg ALTHOUGH operational nine months end World War II Messerschmitt Me- 163 clearly way leapfrogging everything Allied designers drawing board end war came Me-163 came another brilliant idea never reached full development Nevertheless stands radical combat air craft have seen action Second World War Imagine being young German pilot strapping yourself inside machine about launched catapult assist atop dolly Once airborne Walther HWK 509A rocket engine will blast 35000 ft just about three minutes ac tual climb rate 16075 ftIrnin altitude will line yourself up behind stream incoming bomb ers beneath Once position point plane down reopen fuel feed en gine make full power dive top speed 597 mph B-24s try hit bombers two 20mm cannons carry ap proaching such high rate speed aiming al impossible fly up down through stream bombers times can three min utes run time before engine exhausts its fuel actually man aged hit bombers count yourself lucky young manonly nine kills Me-163 will ever recorded As attack run ends danger really begins Without engine 68 Model Aviation Top The Me-163 along authors scale documentation German Secret Weapons Blueprint Mars Brian Ford Above wheels large model drop off flight menacing rocket plane becomes slow vulnerable little bird easy prey rov ing conventional WW H fighter plane manage avoid enemy contact glide back home field theres still danger awaiting engines hypergolic fuel left tanks chances bumping bouncing landing will cause ex plode Somehow manage live through 30 minutes since takeoff dolly dropped away have ride life model presented designed powered Brown Peanut CO2 motor may strike bit radical its own right looking three-view drawing aircraft little prop used turn generator caught eye idea born first version simple unpainted balsa sheet Hand-Launched Glider ex ploring flying wing layout course afternoon progressed catapult launch rubber power prop fi nally finishing day CO2 power stage flew fine few problems CO2 power what really made come alive Its great sight see strange little Peanut-sized model climb out height hand-launched model can thrown cruise around up over minute Brown Junior motor doesnt pro vide thrust-to-weight ratio rocket engine model does have good flying habits full-size plane nonscale Free Flight builders whove seen fly amazed its performance Construction Me-163 quite easy fact theres probably enough scrap balsa already laying around shop build entire thing Trace cut out wing panels mak ing sure grain runs parallel lead ing edge Mark elevon location cut short cross-grain lines Use table knife score hinge line can bent being cut loose Glue small pieces twist-tie underside elevon will hold setting Cut out two rib working air glue place Sand slight bevel center rib panel glue wing halves together side blocked up dihedral Run 1A-in band thin Hot Stuff along leading edge wing toughen Trace cut out body fin Use fuselage trace out shapes /32 doublers Cut out ply motor mount disk want use wheels install flat tened tube before gluing doublers see plans dont use wheels add wire skid bottom forward part body Add tank bracing hooks tail skid wire fin Glue wing place add fillet Continued page 158 August 1988 69 Me-i 63 builds easily full-size plan pages 86-87 scrap balsa proba bly already have laying around Glue ribs place holding wing air Camouflage colors dark green black green top light blue bottom author used decals 1/72-scale Ju-52 could cut ones plan Because power CO2 model can left unpainted shorten building time reduce weight dark spots rudder pieces twist ties hold offset II Sheet Wing-.II II II Ii Ii Ii II II II24 - 1/32 -After Sht Doublers r /r/~ 3/32 Alum Tube Flatten 1/16 Glued Dihedral Detail I 1/16 4 t INS. s . .. ~ fl ..E p * " Cutout Win bMV Balance 4 inter C02 Blue Line 015 Sk E~uuuEEEEEEEEE EEEUN inininuinuuuuuuininininin 519 GLOW FUEL MANUFACTURED WITH THE PUREST FINEST QUALITY INGREDIENTS AVAILABLE * Superior Igniters- Improve starting idle acceleration Youll notice power bargain fuels * Special Detergents Promote clean burning prevent residue buildup * Rust Inhibitors Protect engines corrosion After run oil needed engines * Film Strength Additives Increase lubricity provide extra lean run protection * Anti-Wear Additives Help keep engines running peak performance longer * Satisfaction Guaranteed SIG CHAMPION 2-STROKE FUEL FREIGHT FREE SHIPPINGON ORDERS OVER$1500 ECT PINT QUARTGALLON55 GAL DRUM 0% Ntremethane 50$Q75$19695 5% Nitromethane $1275$26495 10% Nitromethane $415 $ 5014 75$32995 15% Nitromethan $43c$35$1675$38995 25% Nitromethane $515 S5$L95$52495 35% Nitromethane $5 95 $925$2695$66995 SIG PREMIUM 4-STROKE FUEL 10% Nitromethane$1425$29995 15% Nitromethane$1625I$36495 THE CHOICE OF CHAMPION FLYERS over 20 years SIG has blending finest quality model engine fuel available using finest quality ingredients instance Methanol use 995% pure very best grade money can buy also use real 100% pure Nitromethane get full measure youve paid based honest percentage-of-volume method percentage weight SIG fuels con tain 50-50 blend Bakers purest AA Castor Oil new improved Klotz Techniplate Synthetic Racing Oil maximum engine lubrication protection Based experience sincerely believe finest quality fuel can made price dont take word try some judge yourselfPiCOS Sobled change wttVot notiCO See dealer first available order direct Call IJ 800-247-5008 toll free orders Latest Catalog $300 SIG MANUFACTURING CO Montezuma IA 50171 program allows maximum 50 lo cations per program run should enough locations assigned horizontal X vertical Y value easiest quickest way to draw shape tracing paper place tracing top graph paper ruled millimeters tenthsof-an-inch sake clarity inch subdivisions shown Figure 1 used original plot stabilizer outline Figure 1 might well have somewhat smaller since would normally plot part flying surface actually accounts lift area contained within fuse lage have found takes relatively lit tle time plotting X-Y coordi nates just few minutes curved surfaces Once X-Y locations have fig ured run program enter coordi nates Note program first asks total number locations first X-Y location included twice once first location again last illustrated Figure 1 program includes error trap certain have followed convention dont program will dump out make re-enter data again Just take time entering coordi nates checking along way avoid typ ing errors Finally program BASIC code listing Figure 2 will supply square area form screen ask user wants printout should help ful since printout also summarizes X-Y coordinates user should check against original plotted values accuracy programs printout stabilizer shape drawn Figure 1 shown Figure 3 Programming guide have never created used BASIC language pro gram just follow easy steps outlined below program described arti cle written IBM-PC family computers including work-alike clones Ill assume know start up computer installing MS-DOS PC-DOS operating system Ill also assume machine has two floppy disk drives common con figuration Note Users other computer brands such Apple Commodore will have translate program BASIC language variation used computers task beyond scope article Step 1 ating system disk drive replace BASIC language disk such GW-BASIC Youll want keep finished program sep arate disk place formatted diskette drive B time Step 2 BASIC disk drive enter GW-BASIC its equivalent after prompt press return will bring programming environ ment Step 3 Enter word NEW indicate new program press return com puter will respond OK Now type pro gram exactly appears Figure 2 Press return key end line order go next line certain keep spacing punctuation marks precisely appear Figure 2 Step 4 After program has typed press return once again enter fol lowing message SAVE BAREABAS include quotation marks will store completed program disk lo cated B drive under name AREABAS can use future occasions want try program time just enter RUN press return Step 5 use program later date once again load BASIC programming language drive program disk should B enter LOAD BAREABAS include quotation marks press return after pro gram loads enter RUN begin CO-2 Komet/Lidberg Continued page 69 pieces attach motor mount Locate charge fitting just behind 158 Model Aviation motor pointing forward Flying Check plane balances point indicated plans before going out fly adding clay nose tail correct necessary Preset elevons bent up about /t6 Begin test gliding over some nice thick grass 163 wants glide fast give good solid push launch little adjust ing placement clay amount elevon deflection may neces sary proper trim Charge up motor hand launch gentle push glide trim anywhere near OK 163 should climb out nicely Try varying motors speed see what effects climb thrust line shown moder ate power setting 163 should climb series gentle power stalls somewhere between 75 100 ft cruise come down fast would like model have scalelike steep climb rate add slight amount downthrust motor model capable rise-off-ground flights Placed fairly smooth surface recently graded dirt road will ROG two five feet moder ate power setting might want experiment should possible install flattened tubing vertically wheels will drop off takeoff type flight trim model fly wheels Finishing Paint model very thin coats avoid weight buildup did airbrush spraying mixture nontautening nitrate dope pigment Floquil model train paints mix paint start new bottle Floquil pour off liquid Refill bottle thinner dope using shake mix spraying use mixture part new pigment mix five 10 parts clear dope Sigs Lite Coat works well coat color mixture thinned enough spray about right colors adds little weight used clear Contac shelf paper mask ing out camouflage patterns Flat spray enamels could also used model Make photocopy insignias glue get set ESCI %2-scale de cals Ju-52 did Me-163 has exciting project Flying wings have intrigued years hope too will try out fun excitement building fly ing CL Aerobatics/Fancher Continued page 70 lift nose-heavy ship greater elevator deflection necessary level flight greater change elevator position maintain constantly changing angle attack requirement wind As ihip gets too nose-heavy surprising pilot un able precisely manage input necessary maintain level track vast experience half-vast some peers might amend conventional flapped Stunters will have CG located 16% 18% average chord empty gas tank youve moved CU forward try cure hunting prob lem take out weight start looking else might also want ponder shift CU comes burning large amounts fuel out nose light Stunter might cause ship hunt unacceptably beginning flight settle down towards end CU moves aft can sec classic cures hunting airplane se weight ldom good idea True ship too tail-heavy might very well tough fly level would also have number other significant problems would very twitchy maneuvers would likely light lines flight would also float excessively dur ing glide t light lines difficult contrul glide Another aerodynamic source hunting could having adjustable control line leadOuts too far aft Since CU ship aligns self lead-out position flight can seen under condition Stunter would flying excessively crabbed condition center point lead-outs should almost never aft CU inch-anda-half Ted says ship hunts dead calm air too CU right 16% mean Continued page 162 August 1988 159 AllIMTh IPThThi TING SERVICE QUICK SERVICE OVER 300 ORDINATE SETS ON FILE SEND $200 and SASH long envelope samples list airfoils hand now SEND $500 SASE long plot yonr chord length set samples name anveral airfoils order preference Inclade photo copy shape data possible SEND $1000 PLOT SHAPE CATALOG 300 pIns airfoils 6 inch plots plas historical airfoil information other asefall airfoil data many pages STANDARD PLOTS. nader 10 inches paga Large chords availahle extra cost cost proportional chord length 20 chord twice cost 10 plot CUSTOM PLOTrING AVAILABLE Can modify camher thickness add pieces together can show varions skin thicknesses sop & bottom different TAPERED WING PLOTS $1000 Set ap pbs 50 cents per rib over 10 slightly higher THIS MONTHS HOT PLOTS NACA 0009 Oreat staht EPPLER 193 195 197 RAP 31 32 33 Can show 1/16 thor 1/8th Skin thickness NO EXTRA CHARGE Hot plots Only $100 over 10 $200 TI-lB PTERANODON PRESS nRtcas NEVELN PO BOX 3630 OAKLAND c 5161151630
Edition: Model Aviation - 1988/08
Page Numbers: 68, 69, 86, 87, 158, 159
CO Messerschmitt Me4G3B full-size plane radical aircraft ever built Replicating CO2 power carries its unique heritage AA Lidberg ALTHOUGH operational nine months end World War II Messerschmitt Me- 163 clearly way leapfrogging everything Allied designers drawing board end war came Me-163 came another brilliant idea never reached full development Nevertheless stands radical combat air craft have seen action Second World War Imagine being young German pilot strapping yourself inside machine about launched catapult assist atop dolly Once airborne Walther HWK 509A rocket engine will blast 35000 ft just about three minutes ac tual climb rate 16075 ftIrnin altitude will line yourself up behind stream incoming bomb ers beneath Once position point plane down reopen fuel feed en gine make full power dive top speed 597 mph B-24s try hit bombers two 20mm cannons carry ap proaching such high rate speed aiming al impossible fly up down through stream bombers times can three min utes run time before engine exhausts its fuel actually man aged hit bombers count yourself lucky young manonly nine kills Me-163 will ever recorded As attack run ends danger really begins Without engine 68 Model Aviation Top The Me-163 along authors scale documentation German Secret Weapons Blueprint Mars Brian Ford Above wheels large model drop off flight menacing rocket plane becomes slow vulnerable little bird easy prey rov ing conventional WW H fighter plane manage avoid enemy contact glide back home field theres still danger awaiting engines hypergolic fuel left tanks chances bumping bouncing landing will cause ex plode Somehow manage live through 30 minutes since takeoff dolly dropped away have ride life model presented designed powered Brown Peanut CO2 motor may strike bit radical its own right looking three-view drawing aircraft little prop used turn generator caught eye idea born first version simple unpainted balsa sheet Hand-Launched Glider ex ploring flying wing layout course afternoon progressed catapult launch rubber power prop fi nally finishing day CO2 power stage flew fine few problems CO2 power what really made come alive Its great sight see strange little Peanut-sized model climb out height hand-launched model can thrown cruise around up over minute Brown Junior motor doesnt pro vide thrust-to-weight ratio rocket engine model does have good flying habits full-size plane nonscale Free Flight builders whove seen fly amazed its performance Construction Me-163 quite easy fact theres probably enough scrap balsa already laying around shop build entire thing Trace cut out wing panels mak ing sure grain runs parallel lead ing edge Mark elevon location cut short cross-grain lines Use table knife score hinge line can bent being cut loose Glue small pieces twist-tie underside elevon will hold setting Cut out two rib working air glue place Sand slight bevel center rib panel glue wing halves together side blocked up dihedral Run 1A-in band thin Hot Stuff along leading edge wing toughen Trace cut out body fin Use fuselage trace out shapes /32 doublers Cut out ply motor mount disk want use wheels install flat tened tube before gluing doublers see plans dont use wheels add wire skid bottom forward part body Add tank bracing hooks tail skid wire fin Glue wing place add fillet Continued page 158 August 1988 69 Me-i 63 builds easily full-size plan pages 86-87 scrap balsa proba bly already have laying around Glue ribs place holding wing air Camouflage colors dark green black green top light blue bottom author used decals 1/72-scale Ju-52 could cut ones plan Because power CO2 model can left unpainted shorten building time reduce weight dark spots rudder pieces twist ties hold offset II Sheet Wing-.II II II Ii Ii Ii II II II24 - 1/32 -After Sht Doublers r /r/~ 3/32 Alum Tube Flatten 1/16 Glued Dihedral Detail I 1/16 4 t INS. s . .. ~ fl ..E p * " Cutout Win bMV Balance 4 inter C02 Blue Line 015 Sk E~uuuEEEEEEEEE EEEUN inininuinuuuuuuininininin 519 GLOW FUEL MANUFACTURED WITH THE PUREST FINEST QUALITY INGREDIENTS AVAILABLE * Superior Igniters- Improve starting idle acceleration Youll notice power bargain fuels * Special Detergents Promote clean burning prevent residue buildup * Rust Inhibitors Protect engines corrosion After run oil needed engines * Film Strength Additives Increase lubricity provide extra lean run protection * Anti-Wear Additives Help keep engines running peak performance longer * Satisfaction Guaranteed SIG CHAMPION 2-STROKE FUEL FREIGHT FREE SHIPPINGON ORDERS OVER$1500 ECT PINT QUARTGALLON55 GAL DRUM 0% Ntremethane 50$Q75$19695 5% Nitromethane $1275$26495 10% Nitromethane $415 $ 5014 75$32995 15% Nitromethan $43c$35$1675$38995 25% Nitromethane $515 S5$L95$52495 35% Nitromethane $5 95 $925$2695$66995 SIG PREMIUM 4-STROKE FUEL 10% Nitromethane$1425$29995 15% Nitromethane$1625I$36495 THE CHOICE OF CHAMPION FLYERS over 20 years SIG has blending finest quality model engine fuel available using finest quality ingredients instance Methanol use 995% pure very best grade money can buy also use real 100% pure Nitromethane get full measure youve paid based honest percentage-of-volume method percentage weight SIG fuels con tain 50-50 blend Bakers purest AA Castor Oil new improved Klotz Techniplate Synthetic Racing Oil maximum engine lubrication protection Based experience sincerely believe finest quality fuel can made price dont take word try some judge yourselfPiCOS Sobled change wttVot notiCO See dealer first available order direct Call IJ 800-247-5008 toll free orders Latest Catalog $300 SIG MANUFACTURING CO Montezuma IA 50171 program allows maximum 50 lo cations per program run should enough locations assigned horizontal X vertical Y value easiest quickest way to draw shape tracing paper place tracing top graph paper ruled millimeters tenthsof-an-inch sake clarity inch subdivisions shown Figure 1 used original plot stabilizer outline Figure 1 might well have somewhat smaller since would normally plot part flying surface actually accounts lift area contained within fuse lage have found takes relatively lit tle time plotting X-Y coordi nates just few minutes curved surfaces Once X-Y locations have fig ured run program enter coordi nates Note program first asks total number locations first X-Y location included twice once first location again last illustrated Figure 1 program includes error trap certain have followed convention dont program will dump out make re-enter data again Just take time entering coordi nates checking along way avoid typ ing errors Finally program BASIC code listing Figure 2 will supply square area form screen ask user wants printout should help ful since printout also summarizes X-Y coordinates user should check against original plotted values accuracy programs printout stabilizer shape drawn Figure 1 shown Figure 3 Programming guide have never created used BASIC language pro gram just follow easy steps outlined below program described arti cle written IBM-PC family computers including work-alike clones Ill assume know start up computer installing MS-DOS PC-DOS operating system Ill also assume machine has two floppy disk drives common con figuration Note Users other computer brands such Apple Commodore will have translate program BASIC language variation used computers task beyond scope article Step 1 ating system disk drive replace BASIC language disk such GW-BASIC Youll want keep finished program sep arate disk place formatted diskette drive B time Step 2 BASIC disk drive enter GW-BASIC its equivalent after prompt press return will bring programming environ ment Step 3 Enter word NEW indicate new program press return com puter will respond OK Now type pro gram exactly appears Figure 2 Press return key end line order go next line certain keep spacing punctuation marks precisely appear Figure 2 Step 4 After program has typed press return once again enter fol lowing message SAVE BAREABAS include quotation marks will store completed program disk lo cated B drive under name AREABAS can use future occasions want try program time just enter RUN press return Step 5 use program later date once again load BASIC programming language drive program disk should B enter LOAD BAREABAS include quotation marks press return after pro gram loads enter RUN begin CO-2 Komet/Lidberg Continued page 69 pieces attach motor mount Locate charge fitting just behind 158 Model Aviation motor pointing forward Flying Check plane balances point indicated plans before going out fly adding clay nose tail correct necessary Preset elevons bent up about /t6 Begin test gliding over some nice thick grass 163 wants glide fast give good solid push launch little adjust ing placement clay amount elevon deflection may neces sary proper trim Charge up motor hand launch gentle push glide trim anywhere near OK 163 should climb out nicely Try varying motors speed see what effects climb thrust line shown moder ate power setting 163 should climb series gentle power stalls somewhere between 75 100 ft cruise come down fast would like model have scalelike steep climb rate add slight amount downthrust motor model capable rise-off-ground flights Placed fairly smooth surface recently graded dirt road will ROG two five feet moder ate power setting might want experiment should possible install flattened tubing vertically wheels will drop off takeoff type flight trim model fly wheels Finishing Paint model very thin coats avoid weight buildup did airbrush spraying mixture nontautening nitrate dope pigment Floquil model train paints mix paint start new bottle Floquil pour off liquid Refill bottle thinner dope using shake mix spraying use mixture part new pigment mix five 10 parts clear dope Sigs Lite Coat works well coat color mixture thinned enough spray about right colors adds little weight used clear Contac shelf paper mask ing out camouflage patterns Flat spray enamels could also used model Make photocopy insignias glue get set ESCI %2-scale de cals Ju-52 did Me-163 has exciting project Flying wings have intrigued years hope too will try out fun excitement building fly ing CL Aerobatics/Fancher Continued page 70 lift nose-heavy ship greater elevator deflection necessary level flight greater change elevator position maintain constantly changing angle attack requirement wind As ihip gets too nose-heavy surprising pilot un able precisely manage input necessary maintain level track vast experience half-vast some peers might amend conventional flapped Stunters will have CG located 16% 18% average chord empty gas tank youve moved CU forward try cure hunting prob lem take out weight start looking else might also want ponder shift CU comes burning large amounts fuel out nose light Stunter might cause ship hunt unacceptably beginning flight settle down towards end CU moves aft can sec classic cures hunting airplane se weight ldom good idea True ship too tail-heavy might very well tough fly level would also have number other significant problems would very twitchy maneuvers would likely light lines flight would also float excessively dur ing glide t light lines difficult contrul glide Another aerodynamic source hunting could having adjustable control line leadOuts too far aft Since CU ship aligns self lead-out position flight can seen under condition Stunter would flying excessively crabbed condition center point lead-outs should almost never aft CU inch-anda-half Ted says ship hunts dead calm air too CU right 16% mean Continued page 162 August 1988 159 AllIMTh IPThThi TING SERVICE QUICK SERVICE OVER 300 ORDINATE SETS ON FILE SEND $200 and SASH long envelope samples list airfoils hand now SEND $500 SASE long plot yonr chord length set samples name anveral airfoils order preference Inclade photo copy shape data possible SEND $1000 PLOT SHAPE CATALOG 300 pIns airfoils 6 inch plots plas historical airfoil information other asefall airfoil data many pages STANDARD PLOTS. nader 10 inches paga Large chords availahle extra cost cost proportional chord length 20 chord twice cost 10 plot CUSTOM PLOTrING AVAILABLE Can modify camher thickness add pieces together can show varions skin thicknesses sop & bottom different TAPERED WING PLOTS $1000 Set ap pbs 50 cents per rib over 10 slightly higher THIS MONTHS HOT PLOTS NACA 0009 Oreat staht EPPLER 193 195 197 RAP 31 32 33 Can show 1/16 thor 1/8th Skin thickness NO EXTRA CHARGE Hot plots Only $100 over 10 $200 TI-lB PTERANODON PRESS nRtcas NEVELN PO BOX 3630 OAKLAND c 5161151630
Edition: Model Aviation - 1988/08
Page Numbers: 68, 69, 86, 87, 158, 159
CO Messerschmitt Me4G3B full-size plane radical aircraft ever built Replicating CO2 power carries its unique heritage AA Lidberg ALTHOUGH operational nine months end World War II Messerschmitt Me- 163 clearly way leapfrogging everything Allied designers drawing board end war came Me-163 came another brilliant idea never reached full development Nevertheless stands radical combat air craft have seen action Second World War Imagine being young German pilot strapping yourself inside machine about launched catapult assist atop dolly Once airborne Walther HWK 509A rocket engine will blast 35000 ft just about three minutes ac tual climb rate 16075 ftIrnin altitude will line yourself up behind stream incoming bomb ers beneath Once position point plane down reopen fuel feed en gine make full power dive top speed 597 mph B-24s try hit bombers two 20mm cannons carry ap proaching such high rate speed aiming al impossible fly up down through stream bombers times can three min utes run time before engine exhausts its fuel actually man aged hit bombers count yourself lucky young manonly nine kills Me-163 will ever recorded As attack run ends danger really begins Without engine 68 Model Aviation Top The Me-163 along authors scale documentation German Secret Weapons Blueprint Mars Brian Ford Above wheels large model drop off flight menacing rocket plane becomes slow vulnerable little bird easy prey rov ing conventional WW H fighter plane manage avoid enemy contact glide back home field theres still danger awaiting engines hypergolic fuel left tanks chances bumping bouncing landing will cause ex plode Somehow manage live through 30 minutes since takeoff dolly dropped away have ride life model presented designed powered Brown Peanut CO2 motor may strike bit radical its own right looking three-view drawing aircraft little prop used turn generator caught eye idea born first version simple unpainted balsa sheet Hand-Launched Glider ex ploring flying wing layout course afternoon progressed catapult launch rubber power prop fi nally finishing day CO2 power stage flew fine few problems CO2 power what really made come alive Its great sight see strange little Peanut-sized model climb out height hand-launched model can thrown cruise around up over minute Brown Junior motor doesnt pro vide thrust-to-weight ratio rocket engine model does have good flying habits full-size plane nonscale Free Flight builders whove seen fly amazed its performance Construction Me-163 quite easy fact theres probably enough scrap balsa already laying around shop build entire thing Trace cut out wing panels mak ing sure grain runs parallel lead ing edge Mark elevon location cut short cross-grain lines Use table knife score hinge line can bent being cut loose Glue small pieces twist-tie underside elevon will hold setting Cut out two rib working air glue place Sand slight bevel center rib panel glue wing halves together side blocked up dihedral Run 1A-in band thin Hot Stuff along leading edge wing toughen Trace cut out body fin Use fuselage trace out shapes /32 doublers Cut out ply motor mount disk want use wheels install flat tened tube before gluing doublers see plans dont use wheels add wire skid bottom forward part body Add tank bracing hooks tail skid wire fin Glue wing place add fillet Continued page 158 August 1988 69 Me-i 63 builds easily full-size plan pages 86-87 scrap balsa proba bly already have laying around Glue ribs place holding wing air Camouflage colors dark green black green top light blue bottom author used decals 1/72-scale Ju-52 could cut ones plan Because power CO2 model can left unpainted shorten building time reduce weight dark spots rudder pieces twist ties hold offset II Sheet Wing-.II II II Ii Ii Ii II II II24 - 1/32 -After Sht Doublers r /r/~ 3/32 Alum Tube Flatten 1/16 Glued Dihedral Detail I 1/16 4 t INS. s . .. ~ fl ..E p * " Cutout Win bMV Balance 4 inter C02 Blue Line 015 Sk E~uuuEEEEEEEEE EEEUN inininuinuuuuuuininininin 519 GLOW FUEL MANUFACTURED WITH THE PUREST FINEST QUALITY INGREDIENTS AVAILABLE * Superior Igniters- Improve starting idle acceleration Youll notice power bargain fuels * Special Detergents Promote clean burning prevent residue buildup * Rust Inhibitors Protect engines corrosion After run oil needed engines * Film Strength Additives Increase lubricity provide extra lean run protection * Anti-Wear Additives Help keep engines running peak performance longer * Satisfaction Guaranteed SIG CHAMPION 2-STROKE FUEL FREIGHT FREE SHIPPINGON ORDERS OVER$1500 ECT PINT QUARTGALLON55 GAL DRUM 0% Ntremethane 50$Q75$19695 5% Nitromethane $1275$26495 10% Nitromethane $415 $ 5014 75$32995 15% Nitromethan $43c$35$1675$38995 25% Nitromethane $515 S5$L95$52495 35% Nitromethane $5 95 $925$2695$66995 SIG PREMIUM 4-STROKE FUEL 10% Nitromethane$1425$29995 15% Nitromethane$1625I$36495 THE CHOICE OF CHAMPION FLYERS over 20 years SIG has blending finest quality model engine fuel available using finest quality ingredients instance Methanol use 995% pure very best grade money can buy also use real 100% pure Nitromethane get full measure youve paid based honest percentage-of-volume method percentage weight SIG fuels con tain 50-50 blend Bakers purest AA Castor Oil new improved Klotz Techniplate Synthetic Racing Oil maximum engine lubrication protection Based experience sincerely believe finest quality fuel can made price dont take word try some judge yourselfPiCOS Sobled change wttVot notiCO See dealer first available order direct Call IJ 800-247-5008 toll free orders Latest Catalog $300 SIG MANUFACTURING CO Montezuma IA 50171 program allows maximum 50 lo cations per program run should enough locations assigned horizontal X vertical Y value easiest quickest way to draw shape tracing paper place tracing top graph paper ruled millimeters tenthsof-an-inch sake clarity inch subdivisions shown Figure 1 used original plot stabilizer outline Figure 1 might well have somewhat smaller since would normally plot part flying surface actually accounts lift area contained within fuse lage have found takes relatively lit tle time plotting X-Y coordi nates just few minutes curved surfaces Once X-Y locations have fig ured run program enter coordi nates Note program first asks total number locations first X-Y location included twice once first location again last illustrated Figure 1 program includes error trap certain have followed convention dont program will dump out make re-enter data again Just take time entering coordi nates checking along way avoid typ ing errors Finally program BASIC code listing Figure 2 will supply square area form screen ask user wants printout should help ful since printout also summarizes X-Y coordinates user should check against original plotted values accuracy programs printout stabilizer shape drawn Figure 1 shown Figure 3 Programming guide have never created used BASIC language pro gram just follow easy steps outlined below program described arti cle written IBM-PC family computers including work-alike clones Ill assume know start up computer installing MS-DOS PC-DOS operating system Ill also assume machine has two floppy disk drives common con figuration Note Users other computer brands such Apple Commodore will have translate program BASIC language variation used computers task beyond scope article Step 1 ating system disk drive replace BASIC language disk such GW-BASIC Youll want keep finished program sep arate disk place formatted diskette drive B time Step 2 BASIC disk drive enter GW-BASIC its equivalent after prompt press return will bring programming environ ment Step 3 Enter word NEW indicate new program press return com puter will respond OK Now type pro gram exactly appears Figure 2 Press return key end line order go next line certain keep spacing punctuation marks precisely appear Figure 2 Step 4 After program has typed press return once again enter fol lowing message SAVE BAREABAS include quotation marks will store completed program disk lo cated B drive under name AREABAS can use future occasions want try program time just enter RUN press return Step 5 use program later date once again load BASIC programming language drive program disk should B enter LOAD BAREABAS include quotation marks press return after pro gram loads enter RUN begin CO-2 Komet/Lidberg Continued page 69 pieces attach motor mount Locate charge fitting just behind 158 Model Aviation motor pointing forward Flying Check plane balances point indicated plans before going out fly adding clay nose tail correct necessary Preset elevons bent up about /t6 Begin test gliding over some nice thick grass 163 wants glide fast give good solid push launch little adjust ing placement clay amount elevon deflection may neces sary proper trim Charge up motor hand launch gentle push glide trim anywhere near OK 163 should climb out nicely Try varying motors speed see what effects climb thrust line shown moder ate power setting 163 should climb series gentle power stalls somewhere between 75 100 ft cruise come down fast would like model have scalelike steep climb rate add slight amount downthrust motor model capable rise-off-ground flights Placed fairly smooth surface recently graded dirt road will ROG two five feet moder ate power setting might want experiment should possible install flattened tubing vertically wheels will drop off takeoff type flight trim model fly wheels Finishing Paint model very thin coats avoid weight buildup did airbrush spraying mixture nontautening nitrate dope pigment Floquil model train paints mix paint start new bottle Floquil pour off liquid Refill bottle thinner dope using shake mix spraying use mixture part new pigment mix five 10 parts clear dope Sigs Lite Coat works well coat color mixture thinned enough spray about right colors adds little weight used clear Contac shelf paper mask ing out camouflage patterns Flat spray enamels could also used model Make photocopy insignias glue get set ESCI %2-scale de cals Ju-52 did Me-163 has exciting project Flying wings have intrigued years hope too will try out fun excitement building fly ing CL Aerobatics/Fancher Continued page 70 lift nose-heavy ship greater elevator deflection necessary level flight greater change elevator position maintain constantly changing angle attack requirement wind As ihip gets too nose-heavy surprising pilot un able precisely manage input necessary maintain level track vast experience half-vast some peers might amend conventional flapped Stunters will have CG located 16% 18% average chord empty gas tank youve moved CU forward try cure hunting prob lem take out weight start looking else might also want ponder shift CU comes burning large amounts fuel out nose light Stunter might cause ship hunt unacceptably beginning flight settle down towards end CU moves aft can sec classic cures hunting airplane se weight ldom good idea True ship too tail-heavy might very well tough fly level would also have number other significant problems would very twitchy maneuvers would likely light lines flight would also float excessively dur ing glide t light lines difficult contrul glide Another aerodynamic source hunting could having adjustable control line leadOuts too far aft Since CU ship aligns self lead-out position flight can seen under condition Stunter would flying excessively crabbed condition center point lead-outs should almost never aft CU inch-anda-half Ted says ship hunts dead calm air too CU right 16% mean Continued page 162 August 1988 159 AllIMTh IPThThi TING SERVICE QUICK SERVICE OVER 300 ORDINATE SETS ON FILE SEND $200 and SASH long envelope samples list airfoils hand now SEND $500 SASE long plot yonr chord length set samples name anveral airfoils order preference Inclade photo copy shape data possible SEND $1000 PLOT SHAPE CATALOG 300 pIns airfoils 6 inch plots plas historical airfoil information other asefall airfoil data many pages STANDARD PLOTS. nader 10 inches paga Large chords availahle extra cost cost proportional chord length 20 chord twice cost 10 plot CUSTOM PLOTrING AVAILABLE Can modify camher thickness add pieces together can show varions skin thicknesses sop & bottom different TAPERED WING PLOTS $1000 Set ap pbs 50 cents per rib over 10 slightly higher THIS MONTHS HOT PLOTS NACA 0009 Oreat staht EPPLER 193 195 197 RAP 31 32 33 Can show 1/16 thor 1/8th Skin thickness NO EXTRA CHARGE Hot plots Only $100 over 10 $200 TI-lB PTERANODON PRESS nRtcas NEVELN PO BOX 3630 OAKLAND c 5161151630
Edition: Model Aviation - 1988/08
Page Numbers: 68, 69, 86, 87, 158, 159
CO Messerschmitt Me4G3B full-size plane radical aircraft ever built Replicating CO2 power carries its unique heritage AA Lidberg ALTHOUGH operational nine months end World War II Messerschmitt Me- 163 clearly way leapfrogging everything Allied designers drawing board end war came Me-163 came another brilliant idea never reached full development Nevertheless stands radical combat air craft have seen action Second World War Imagine being young German pilot strapping yourself inside machine about launched catapult assist atop dolly Once airborne Walther HWK 509A rocket engine will blast 35000 ft just about three minutes ac tual climb rate 16075 ftIrnin altitude will line yourself up behind stream incoming bomb ers beneath Once position point plane down reopen fuel feed en gine make full power dive top speed 597 mph B-24s try hit bombers two 20mm cannons carry ap proaching such high rate speed aiming al impossible fly up down through stream bombers times can three min utes run time before engine exhausts its fuel actually man aged hit bombers count yourself lucky young manonly nine kills Me-163 will ever recorded As attack run ends danger really begins Without engine 68 Model Aviation Top The Me-163 along authors scale documentation German Secret Weapons Blueprint Mars Brian Ford Above wheels large model drop off flight menacing rocket plane becomes slow vulnerable little bird easy prey rov ing conventional WW H fighter plane manage avoid enemy contact glide back home field theres still danger awaiting engines hypergolic fuel left tanks chances bumping bouncing landing will cause ex plode Somehow manage live through 30 minutes since takeoff dolly dropped away have ride life model presented designed powered Brown Peanut CO2 motor may strike bit radical its own right looking three-view drawing aircraft little prop used turn generator caught eye idea born first version simple unpainted balsa sheet Hand-Launched Glider ex ploring flying wing layout course afternoon progressed catapult launch rubber power prop fi nally finishing day CO2 power stage flew fine few problems CO2 power what really made come alive Its great sight see strange little Peanut-sized model climb out height hand-launched model can thrown cruise around up over minute Brown Junior motor doesnt pro vide thrust-to-weight ratio rocket engine model does have good flying habits full-size plane nonscale Free Flight builders whove seen fly amazed its performance Construction Me-163 quite easy fact theres probably enough scrap balsa already laying around shop build entire thing Trace cut out wing panels mak ing sure grain runs parallel lead ing edge Mark elevon location cut short cross-grain lines Use table knife score hinge line can bent being cut loose Glue small pieces twist-tie underside elevon will hold setting Cut out two rib working air glue place Sand slight bevel center rib panel glue wing halves together side blocked up dihedral Run 1A-in band thin Hot Stuff along leading edge wing toughen Trace cut out body fin Use fuselage trace out shapes /32 doublers Cut out ply motor mount disk want use wheels install flat tened tube before gluing doublers see plans dont use wheels add wire skid bottom forward part body Add tank bracing hooks tail skid wire fin Glue wing place add fillet Continued page 158 August 1988 69 Me-i 63 builds easily full-size plan pages 86-87 scrap balsa proba bly already have laying around Glue ribs place holding wing air Camouflage colors dark green black green top light blue bottom author used decals 1/72-scale Ju-52 could cut ones plan Because power CO2 model can left unpainted shorten building time reduce weight dark spots rudder pieces twist ties hold offset II Sheet Wing-.II II II Ii Ii Ii II II II24 - 1/32 -After Sht Doublers r /r/~ 3/32 Alum Tube Flatten 1/16 Glued Dihedral Detail I 1/16 4 t INS. s . .. ~ fl ..E p * " Cutout Win bMV Balance 4 inter C02 Blue Line 015 Sk E~uuuEEEEEEEEE EEEUN inininuinuuuuuuininininin 519 GLOW FUEL MANUFACTURED WITH THE PUREST FINEST QUALITY INGREDIENTS AVAILABLE * Superior Igniters- Improve starting idle acceleration Youll notice power bargain fuels * Special Detergents Promote clean burning prevent residue buildup * Rust Inhibitors Protect engines corrosion After run oil needed engines * Film Strength Additives Increase lubricity provide extra lean run protection * Anti-Wear Additives Help keep engines running peak performance longer * Satisfaction Guaranteed SIG CHAMPION 2-STROKE FUEL FREIGHT FREE SHIPPINGON ORDERS OVER$1500 ECT PINT QUARTGALLON55 GAL DRUM 0% Ntremethane 50$Q75$19695 5% Nitromethane $1275$26495 10% Nitromethane $415 $ 5014 75$32995 15% Nitromethan $43c$35$1675$38995 25% Nitromethane $515 S5$L95$52495 35% Nitromethane $5 95 $925$2695$66995 SIG PREMIUM 4-STROKE FUEL 10% Nitromethane$1425$29995 15% Nitromethane$1625I$36495 THE CHOICE OF CHAMPION FLYERS over 20 years SIG has blending finest quality model engine fuel available using finest quality ingredients instance Methanol use 995% pure very best grade money can buy also use real 100% pure Nitromethane get full measure youve paid based honest percentage-of-volume method percentage weight SIG fuels con tain 50-50 blend Bakers purest AA Castor Oil new improved Klotz Techniplate Synthetic Racing Oil maximum engine lubrication protection Based experience sincerely believe finest quality fuel can made price dont take word try some judge yourselfPiCOS Sobled change wttVot notiCO See dealer first available order direct Call IJ 800-247-5008 toll free orders Latest Catalog $300 SIG MANUFACTURING CO Montezuma IA 50171 program allows maximum 50 lo cations per program run should enough locations assigned horizontal X vertical Y value easiest quickest way to draw shape tracing paper place tracing top graph paper ruled millimeters tenthsof-an-inch sake clarity inch subdivisions shown Figure 1 used original plot stabilizer outline Figure 1 might well have somewhat smaller since would normally plot part flying surface actually accounts lift area contained within fuse lage have found takes relatively lit tle time plotting X-Y coordi nates just few minutes curved surfaces Once X-Y locations have fig ured run program enter coordi nates Note program first asks total number locations first X-Y location included twice once first location again last illustrated Figure 1 program includes error trap certain have followed convention dont program will dump out make re-enter data again Just take time entering coordi nates checking along way avoid typ ing errors Finally program BASIC code listing Figure 2 will supply square area form screen ask user wants printout should help ful since printout also summarizes X-Y coordinates user should check against original plotted values accuracy programs printout stabilizer shape drawn Figure 1 shown Figure 3 Programming guide have never created used BASIC language pro gram just follow easy steps outlined below program described arti cle written IBM-PC family computers including work-alike clones Ill assume know start up computer installing MS-DOS PC-DOS operating system Ill also assume machine has two floppy disk drives common con figuration Note Users other computer brands such Apple Commodore will have translate program BASIC language variation used computers task beyond scope article Step 1 ating system disk drive replace BASIC language disk such GW-BASIC Youll want keep finished program sep arate disk place formatted diskette drive B time Step 2 BASIC disk drive enter GW-BASIC its equivalent after prompt press return will bring programming environ ment Step 3 Enter word NEW indicate new program press return com puter will respond OK Now type pro gram exactly appears Figure 2 Press return key end line order go next line certain keep spacing punctuation marks precisely appear Figure 2 Step 4 After program has typed press return once again enter fol lowing message SAVE BAREABAS include quotation marks will store completed program disk lo cated B drive under name AREABAS can use future occasions want try program time just enter RUN press return Step 5 use program later date once again load BASIC programming language drive program disk should B enter LOAD BAREABAS include quotation marks press return after pro gram loads enter RUN begin CO-2 Komet/Lidberg Continued page 69 pieces attach motor mount Locate charge fitting just behind 158 Model Aviation motor pointing forward Flying Check plane balances point indicated plans before going out fly adding clay nose tail correct necessary Preset elevons bent up about /t6 Begin test gliding over some nice thick grass 163 wants glide fast give good solid push launch little adjust ing placement clay amount elevon deflection may neces sary proper trim Charge up motor hand launch gentle push glide trim anywhere near OK 163 should climb out nicely Try varying motors speed see what effects climb thrust line shown moder ate power setting 163 should climb series gentle power stalls somewhere between 75 100 ft cruise come down fast would like model have scalelike steep climb rate add slight amount downthrust motor model capable rise-off-ground flights Placed fairly smooth surface recently graded dirt road will ROG two five feet moder ate power setting might want experiment should possible install flattened tubing vertically wheels will drop off takeoff type flight trim model fly wheels Finishing Paint model very thin coats avoid weight buildup did airbrush spraying mixture nontautening nitrate dope pigment Floquil model train paints mix paint start new bottle Floquil pour off liquid Refill bottle thinner dope using shake mix spraying use mixture part new pigment mix five 10 parts clear dope Sigs Lite Coat works well coat color mixture thinned enough spray about right colors adds little weight used clear Contac shelf paper mask ing out camouflage patterns Flat spray enamels could also used model Make photocopy insignias glue get set ESCI %2-scale de cals Ju-52 did Me-163 has exciting project Flying wings have intrigued years hope too will try out fun excitement building fly ing CL Aerobatics/Fancher Continued page 70 lift nose-heavy ship greater elevator deflection necessary level flight greater change elevator position maintain constantly changing angle attack requirement wind As ihip gets too nose-heavy surprising pilot un able precisely manage input necessary maintain level track vast experience half-vast some peers might amend conventional flapped Stunters will have CG located 16% 18% average chord empty gas tank youve moved CU forward try cure hunting prob lem take out weight start looking else might also want ponder shift CU comes burning large amounts fuel out nose light Stunter might cause ship hunt unacceptably beginning flight settle down towards end CU moves aft can sec classic cures hunting airplane se weight ldom good idea True ship too tail-heavy might very well tough fly level would also have number other significant problems would very twitchy maneuvers would likely light lines flight would also float excessively dur ing glide t light lines difficult contrul glide Another aerodynamic source hunting could having adjustable control line leadOuts too far aft Since CU ship aligns self lead-out position flight can seen under condition Stunter would flying excessively crabbed condition center point lead-outs should almost never aft CU inch-anda-half Ted says ship hunts dead calm air too CU right 16% mean Continued page 162 August 1988 159 AllIMTh IPThThi TING SERVICE QUICK SERVICE OVER 300 ORDINATE SETS ON FILE SEND $200 and SASH long envelope samples list airfoils hand now SEND $500 SASE long plot yonr chord length set samples name anveral airfoils order preference Inclade photo copy shape data possible SEND $1000 PLOT SHAPE CATALOG 300 pIns airfoils 6 inch plots plas historical airfoil information other asefall airfoil data many pages STANDARD PLOTS. nader 10 inches paga Large chords availahle extra cost cost proportional chord length 20 chord twice cost 10 plot CUSTOM PLOTrING AVAILABLE Can modify camher thickness add pieces together can show varions skin thicknesses sop & bottom different TAPERED WING PLOTS $1000 Set ap pbs 50 cents per rib over 10 slightly higher THIS MONTHS HOT PLOTS NACA 0009 Oreat staht EPPLER 193 195 197 RAP 31 32 33 Can show 1/16 thor 1/8th Skin thickness NO EXTRA CHARGE Hot plots Only $100 over 10 $200 TI-lB PTERANODON PRESS nRtcas NEVELN PO BOX 3630 OAKLAND c 5161151630