Karistroms alter egoAgaton penguin little guy hard work drawing Blorn will eventually take credit man name youve seen scads drawings other modeling mag azines Read EDon Berliner IF YOUVE regular reader Amer ican aviation magazines during past three decades legend Scale drawings Bjorn Karistrom familiar hundreds such publications Karistroms drawings have appeared over last 35 years distinctive style Swedish artist recognizable sight Yet among us would know Bjorn Karistrom walked through door Bill Winter venerable former editor Model Aviation probably first American editor use Karlstroms work back around 1950 has never set eyes him spoken him phone author has collabo rated Bjorn several dozen articles over past 15 20 years wouldnt able identify him walked up fered shake hands international conspir acy keep identity background se cret could hardly have worked ef fectively combination circum- subject man Bjorn means bear Swedish Karlstrom Hes surrounded stances has kept Bjom Karlstroms per- samples articles comics scale drawings models created 45-year career Bjo rn Karistrom sona dark Now assistance portrait artist revealed craft done maintenace work full-size airof Canadian modeler Norwegian air- Swedish article extremely gifted planes illustrated comics books line pilot can finally tell story man longtime penchant technical subject never licensed pilot Peter Maim Guelph Ontario got design has concentrated being has flown diverse types airplanes things started found booklet limited aviation Karlstroms abiding in- Karlstrom born March 1921 article about Karlstrom Swedish terest matters aeronautical dates Boden far north Sweden model contest Mann brought article age 12 1933 built first near Finnish border age eight attention Model Aviation Scale model Cleveland kit Nor- moved family Stockholm translated Jan Christie retired Scan- throp Gamma Since early age Bjorn Swedish capital attended school dinavian Airlines Boeing 747 captain Karlstrom has designed well built After high school enrolled StockFormula race pilot now living Wis- different types models drawn hun- holm Industrial Art School inten consin dreds perhaps thousands different air- tion becoming art teacher trans 58 Model Aviation Bjorns first magazine cover 1939 Flygning Flying magazine shows Waco UIC skis buzzing snow-covered village ferred schools engineering branch curriculum included two-month stint aircraft shop practical experience Karistrom became skilled aircraft carpentry covering two months stretched two years During time applied artistic talent special paint jobs Wacos Cubs Stinsons de Hav illand Moths interest wide variety airplanes flourished Although working full-time full-size airplanes Karlstrom hadnt stopped building models miniature crea tions attracted interest editor Flygning Flying led joining magazine staff professional aviation artist 17 years old cover early 1939 issue Flyg fling Karlstrom drawing Waco AVd72NAY / 4ATL44 U dTN/AG QV - HL4 Ou-rA ry J44 OANL/47 scz Vibrcdopter Mk-1 K Karistroms Vibracopter Mk-1 1h supposedly designed Mr Cognacandwhiskey clas sified quadraphibian able operate land air water underwater UIC biplane skis Later year whimsical penguin named Agaton Roammagazine published first detailed scale ing margins drawings humordrawings Heinkel 5 Swedish Air ous bird Karlstroms sly way expres Force markings Quickly following sing views variety sometimes Tiger Moth Tipsy S2 Kjemm 35 controversial topics example Agaton Bristol Fighter touted ability rubber-powered Scale wasnt long before artist introduced models fly well popular position / Skala zxo Spannvidd Sio mm Lngd total Soo mm Stab spy 340 mm Motor GP diesel eller Dyno mm arly postwar design diesel-powered pusher canard Bjorn named Akka wingspan 2 ft 8 length 2 71/2 Thanks Alit Om Hobby drawings/photos March 1989 59 hero inc cover OT 1-ly magazine 1944 Bjorn showing Flyg 44 FF Power model Swedish Count Folke Bernadotte later United Nations official y ___ 3 Pm 35 & _____ s time Sweden Apparently opinion ated little flight-minded land-bound cm sader carried lot appeal maga zines readers late 1941 Agaton own corner youth section Flygning During same period Karistrom took big career step forward first comic strip Jan Winther futuristic tale along lines Buck Rogers Instead wonder ful old cabin biplanes skimming over scenic lakes Jan Winther featured rocket ships swooshing around mountains alien planets Swedens neutrality World War II didnt sidestep compulsory military service Karlstrom After brief predictably un happy period foot soldier put work draftsman able conThree-view drawing German Olympia sailplane included informative sketch Agaton showing off launching technique somewhat simplistic prototype what would become Vibracopter Mk-1 shown another sketchonce Blorn elimi nated rudder rounded off cornersi tinue civilian career spare time second comic strip Johnny Viking begun About adventures thorough going macho type ran Weekly Re vue 1942 1946 replacing Amer ican Flash Gordon wasnt avail able Sweden during war Johnny Viking perfect dium Karlstroms technical creativity gave him chance imagine future several instances did quite ac curately An item called soundscope anticipated invention television thermoflame precursor days laser Karlsons final assignment Army produce large illustrations used aviation display Stockholms Skan sen amusement park As GI earn ing substantial salary about 35 cents day Upon becoming civilian again Karlstrom went work Air Force draw ing silhouettes caricatures Air60 Model Aviation 1 nfl - \ -I Si 5D 5F- OLYIIPII tnt lain cover Illustration above line drawings below Karistroms 1944 look near future two-seat amphibian UPA-1 highly streamlined fully re tractable wheels envisioned cruising speed 97 mph juat 60 hp UPA-1 wingspan 20 ft length 20ff craft Recognition handbook facility transforming rather poor basic material very accurate drawings put good ef fect discipline Karlstrom eventually turned out thousands silhouettes came recognized master special ized type drawing p selection several different cartoons creative mind pen Biorn Karistrom Rymd-Johan Space-John parody Flash Gordon Johnny Wiking Viking 1940s science-fiction strip Fran Kust till Kust Coast Coast about car trip across America early lOOOs Oscar Fly Karistrom writer work Plngvinen Agaton old friend very creative penguin 1944 continuing foray science next year Dotty Virvelvind be- sodes fiction Karistrom illustrated Dotty Vir came full-page color comic strip realistic series Voyage velvind Whirlwind series novels about magazine Living Life Karlstrom did Human Body produced 1946 col adventures Swedish Wonder Worn- drawings two 21 epi-Continued page 166 March 1989 61 Karistrom/Berliner Continued page 61 laboration writer become leading cancer scientist told story group miniaturized scientists went human body fight tuberculo sis bacteria represented humanoid monsters series continued 30 stailments after canceled cause too readers found difficult accept Moreover some objected Karistroms drawings scantily clad young ladies Tn 1949 went create Space Johan parody Flash Gordon magazine Hobby People final episode hero sidekick stuck jail refreshing departure usual hap pily ever after tidying up same year began yet another space comic strip Leo Falk packed realistic action including prophetic theme space travel Some original drawings series ran until 1952 Technical World pur chased Swedish National Museum display Leo Fallc resurrected 166 Model Aviation 1983 Svenska Dagbladet countrys second largest daily newspaper Diverging aerospace world Karlstrom became creator Coast Coast introduced Motor 1954 documentary style comic strip full antique cars about cross-country drive America during very early part century During 1940s Karistroms drawings appeared Swedish aviation publica tion technical mechanical maga zmes several general circulation publi cations early Fifties decided ex port talents acquired American agent colorful former air show barker Blimp Friedman through Fried man Bill Winter first learned pro lific Swedes work ensuing years scale drawings enriched pages Air Trails Model Airplane News Flying Amer ican Aircraft Modeler RC Modeler Na tional Aeronautics RIG Sportsman New York Herald Tribune beginning Karlstrom exhibited rare talent rendering almost air plane including could pos sibly have seen Using whatever informa tion available some inborn gift sorcery able visualize aircraft produce accurate detailed drawings minimum time Having worked Karistrom since late 1960s author can echo Bill Winters pithy tribute pleasure work abil ity prcx4uce excellent drawings almost no time never worries artwork wont ready schedule cannot matched anyone business proficient building skills wiz ardly understanding aircraft Karlstrom knack predicting future design trends Once 1953 got him trou ble made drawing deltawinged aircraft opinion would possible build within near future said drawing turned up American publication Newsweek under heading Swedens New Fighter Aircraft summoned Ministry Defense questioning highranking officers wanted know whether knew somebody SAAB whether unpatriotic showed Newsweek asked whether made drawing couldnt Continued page 168 THE BLACK BARON IRON Advanced hi-tech thermostat reduces temperature drift 50 Ordinary irons vary up 400 Exclusive roll bars fit fillets & under cambers Flat sole bevelled edges provides constant heat marks Coating 100% Blackstone big improvement over less expensive coatings slides almost no adhesive buildup Truly magnificent tooL CVETE 420 Babylon Rd Horsham PA 19044 magnificently crafted tool reduces temperature drift 5 100% Blackstone coating slides like butter 1ZZ7~ BQNU5IIi Two stands includng oie attahes iron lont aveto Exciusme roll-bars mit fillets & undercambers AMA Logo Ring Approved ACADEMY OF MODEL AERONAUTICS Rings cast solid 10K Gold P4ce SiGOOG el plus $250 Shipping Ordering InstructiOns Send Check Mosey Order Name Address Ring Sloe AMA No NAYcO Co Ben 21 Stratterd NJ 05084 Please allow d 6 weeks tsr delivery New Jersey renidents add k% tao Tie tiew dot Electarseic Ss*sJhaearLlghfest Weight Rdy4-Mmt EaghsI New Prop adapter Byrons 4 3 bleded1 props AlE CiupbtFIts Sedi ermglnewItt 718 boh pattern NeEhbg EXfr5 pius shipping 27 00 NOCOT0 Law 200MM tammly RotteN$24995 ness body wheel pants cowl Ship fr Hsnd *43000 Foam wing balsa Included *48000 @phiemaMEeg*ees New 2-piece wieg ewiesIoai 5 Thmupied 34 bIOeZ0zUHIJI 407Dl5 nres OaI Customized front newest Garmsn engines puts Muffler Mount Moemtkig Baits Ptssaure Tsp Smoke ________________________ Carburetor Linksge COI Ignition CII Electroniosi 48 Volt Ignition Peck Safety Swisit SIsflolt Hub Resistor Spark Plugs Year Warrenty Faulty Parts Workmeneh T G MFGU 857 HIgh Moutal Rd North Haled. NJ 07508 274845 Made USA Curtiss Jenny * Quality hand-cut kit complete plans rigging scale control setup wire parts pro-bent custom hardware included parts individually identified packaged Complete decals * Engine sizes 26 50 FS 25 TS * Wing unit removes four screws less 3 minutes flying wires left intact * Superb flight characteristics 15900 VISA e MasterCard Money Order Michigan residents add 4% asiec tax Add *550 P81 US orders $1500 foreign Video Catalog 81500 poet rid VHSIBeta Regular Catalog choice Mini-Plan Hand-Cut Quality Affordable Price AERODROME MODELS LTD j1 Saginaw MI 48603 __517 781-3000 Other Kits Available Aero-Pacer Baby -Pacer Gipey Moth Flybaby Flybaby Combo Hawker Hurricane Jester deny pointed out same drawing published Flygning 1950 officers checked found correct quickly ended investiga tion prototype SAAB Dra ken delta jet unveiled long after wards Karlstrom shown proph et has great deal Bjorn Karlstrom aviation illustration creating space comics impressive achievements very active modeler during 1930s 1940s spe cializing large Scale models such Stin sons Fairchilds 1944 produced FLYG 44 first diesel-engined Free Flight craft Scandinavia exhibit really good flying characteristics Long before 1938 built simple rubberpowered Free Right model used mechanism resembling wide-chord pivot ing wing struts roll control Toward end active building career Karlstrom became popular speak er giving lectures numerous model clubs building small Scale airplanes continues create cutout paper models have appeared About Hobby magazine form inserts Such multifaceted involvement avia tion would have exhausted people Bjom Karlstrom found time yet another role industrial designer drafts man During 1950s 1960s created variety successful vehicle designs also illustrated trucks Scania-Vabis locomotives Motala Verkstad 1952 1965 designed mopeds built Crescent firm pop ular 2000 moped likened critic sculpture designed boats pow ered outboard motors including Pi dinghy 1600 sold Swedish magazine Motor published plans two motorboats Ballerina 50-hp Mercury engine could hit 45 knots nifty little SAAB Sonnett TI sports car body designed Karlstrom went far afield design home freezer streamlined lawn mower Karlstrom achieved formal engineering training gifted eye design methodical mind made up lack lifetime creativ ity has brought rewards 6ther finan cial Karlstrom presented Sod erberg Plaque Swedish Aviation tory Association 1981 received treasured Paul Tissandier Diploma Federation Aeronautique Internationale FAJ next time look set scale drawings notice familiar name bracing Scandinavian ring take mo ment think about man behind pen Now know range depth contribution aviation aeronautical design seeing Bjorn Karlstroms name will conjure up images ice-bound fjords snowshoes glittering craggy peaks Without ever setting foot west ern side Atlantic talented knowledgeable man has great impact people American aviation CL Aerobatics/Fancher Continued page 62 physical point engine/pump senses fuel mass neither above nor below position fuel pickup tube inside tank point end uniflow tube case uniflow tank engine/pump will dis cern no difference between upright inverted flight engine rpm will remain same Given premise made some assumptions developed some theories disassem bled measured both Fox 35 ST 46 engines am familiar verify conclusions first assumed bottom crankcase lower fixed end pump top inside piston upper variable end also assumed volume pump consistent throughout isnt course since upper end composed both uni formly round walls cylinder plus pass area bottom end irregularly shaped lower crankcase bore intake passage crankshaft theorized center pump top bottom would approximate ear defined Center Pumping Action Thi theory complicated fact pum TDC has significantly greater volume BDC theoretical solution dilemm assume CPA would located point midway between average heights thi 168 Model Aviation
Edition: Model Aviation - 1989/03
Page Numbers: 58, 59, 60, 61, 166, 168
Karistroms alter egoAgaton penguin little guy hard work drawing Blorn will eventually take credit man name youve seen scads drawings other modeling mag azines Read EDon Berliner IF YOUVE regular reader Amer ican aviation magazines during past three decades legend Scale drawings Bjorn Karistrom familiar hundreds such publications Karistroms drawings have appeared over last 35 years distinctive style Swedish artist recognizable sight Yet among us would know Bjorn Karistrom walked through door Bill Winter venerable former editor Model Aviation probably first American editor use Karlstroms work back around 1950 has never set eyes him spoken him phone author has collabo rated Bjorn several dozen articles over past 15 20 years wouldnt able identify him walked up fered shake hands international conspir acy keep identity background se cret could hardly have worked ef fectively combination circum- subject man Bjorn means bear Swedish Karlstrom Hes surrounded stances has kept Bjom Karlstroms per- samples articles comics scale drawings models created 45-year career Bjo rn Karistrom sona dark Now assistance portrait artist revealed craft done maintenace work full-size airof Canadian modeler Norwegian air- Swedish article extremely gifted planes illustrated comics books line pilot can finally tell story man longtime penchant technical subject never licensed pilot Peter Maim Guelph Ontario got design has concentrated being has flown diverse types airplanes things started found booklet limited aviation Karlstroms abiding in- Karlstrom born March 1921 article about Karlstrom Swedish terest matters aeronautical dates Boden far north Sweden model contest Mann brought article age 12 1933 built first near Finnish border age eight attention Model Aviation Scale model Cleveland kit Nor- moved family Stockholm translated Jan Christie retired Scan- throp Gamma Since early age Bjorn Swedish capital attended school dinavian Airlines Boeing 747 captain Karlstrom has designed well built After high school enrolled StockFormula race pilot now living Wis- different types models drawn hun- holm Industrial Art School inten consin dreds perhaps thousands different air- tion becoming art teacher trans 58 Model Aviation Bjorns first magazine cover 1939 Flygning Flying magazine shows Waco UIC skis buzzing snow-covered village ferred schools engineering branch curriculum included two-month stint aircraft shop practical experience Karistrom became skilled aircraft carpentry covering two months stretched two years During time applied artistic talent special paint jobs Wacos Cubs Stinsons de Hav illand Moths interest wide variety airplanes flourished Although working full-time full-size airplanes Karlstrom hadnt stopped building models miniature crea tions attracted interest editor Flygning Flying led joining magazine staff professional aviation artist 17 years old cover early 1939 issue Flyg fling Karlstrom drawing Waco AVd72NAY / 4ATL44 U dTN/AG QV - HL4 Ou-rA ry J44 OANL/47 scz Vibrcdopter Mk-1 K Karistroms Vibracopter Mk-1 1h supposedly designed Mr Cognacandwhiskey clas sified quadraphibian able operate land air water underwater UIC biplane skis Later year whimsical penguin named Agaton Roammagazine published first detailed scale ing margins drawings humordrawings Heinkel 5 Swedish Air ous bird Karlstroms sly way expres Force markings Quickly following sing views variety sometimes Tiger Moth Tipsy S2 Kjemm 35 controversial topics example Agaton Bristol Fighter touted ability rubber-powered Scale wasnt long before artist introduced models fly well popular position / Skala zxo Spannvidd Sio mm Lngd total Soo mm Stab spy 340 mm Motor GP diesel eller Dyno mm arly postwar design diesel-powered pusher canard Bjorn named Akka wingspan 2 ft 8 length 2 71/2 Thanks Alit Om Hobby drawings/photos March 1989 59 hero inc cover OT 1-ly magazine 1944 Bjorn showing Flyg 44 FF Power model Swedish Count Folke Bernadotte later United Nations official y ___ 3 Pm 35 & _____ s time Sweden Apparently opinion ated little flight-minded land-bound cm sader carried lot appeal maga zines readers late 1941 Agaton own corner youth section Flygning During same period Karistrom took big career step forward first comic strip Jan Winther futuristic tale along lines Buck Rogers Instead wonder ful old cabin biplanes skimming over scenic lakes Jan Winther featured rocket ships swooshing around mountains alien planets Swedens neutrality World War II didnt sidestep compulsory military service Karlstrom After brief predictably un happy period foot soldier put work draftsman able conThree-view drawing German Olympia sailplane included informative sketch Agaton showing off launching technique somewhat simplistic prototype what would become Vibracopter Mk-1 shown another sketchonce Blorn elimi nated rudder rounded off cornersi tinue civilian career spare time second comic strip Johnny Viking begun About adventures thorough going macho type ran Weekly Re vue 1942 1946 replacing Amer ican Flash Gordon wasnt avail able Sweden during war Johnny Viking perfect dium Karlstroms technical creativity gave him chance imagine future several instances did quite ac curately An item called soundscope anticipated invention television thermoflame precursor days laser Karlsons final assignment Army produce large illustrations used aviation display Stockholms Skan sen amusement park As GI earn ing substantial salary about 35 cents day Upon becoming civilian again Karlstrom went work Air Force draw ing silhouettes caricatures Air60 Model Aviation 1 nfl - \ -I Si 5D 5F- OLYIIPII tnt lain cover Illustration above line drawings below Karistroms 1944 look near future two-seat amphibian UPA-1 highly streamlined fully re tractable wheels envisioned cruising speed 97 mph juat 60 hp UPA-1 wingspan 20 ft length 20ff craft Recognition handbook facility transforming rather poor basic material very accurate drawings put good ef fect discipline Karlstrom eventually turned out thousands silhouettes came recognized master special ized type drawing p selection several different cartoons creative mind pen Biorn Karistrom Rymd-Johan Space-John parody Flash Gordon Johnny Wiking Viking 1940s science-fiction strip Fran Kust till Kust Coast Coast about car trip across America early lOOOs Oscar Fly Karistrom writer work Plngvinen Agaton old friend very creative penguin 1944 continuing foray science next year Dotty Virvelvind be- sodes fiction Karistrom illustrated Dotty Vir came full-page color comic strip realistic series Voyage velvind Whirlwind series novels about magazine Living Life Karlstrom did Human Body produced 1946 col adventures Swedish Wonder Worn- drawings two 21 epi-Continued page 166 March 1989 61 Karistrom/Berliner Continued page 61 laboration writer become leading cancer scientist told story group miniaturized scientists went human body fight tuberculo sis bacteria represented humanoid monsters series continued 30 stailments after canceled cause too readers found difficult accept Moreover some objected Karistroms drawings scantily clad young ladies Tn 1949 went create Space Johan parody Flash Gordon magazine Hobby People final episode hero sidekick stuck jail refreshing departure usual hap pily ever after tidying up same year began yet another space comic strip Leo Falk packed realistic action including prophetic theme space travel Some original drawings series ran until 1952 Technical World pur chased Swedish National Museum display Leo Fallc resurrected 166 Model Aviation 1983 Svenska Dagbladet countrys second largest daily newspaper Diverging aerospace world Karlstrom became creator Coast Coast introduced Motor 1954 documentary style comic strip full antique cars about cross-country drive America during very early part century During 1940s Karistroms drawings appeared Swedish aviation publica tion technical mechanical maga zmes several general circulation publi cations early Fifties decided ex port talents acquired American agent colorful former air show barker Blimp Friedman through Fried man Bill Winter first learned pro lific Swedes work ensuing years scale drawings enriched pages Air Trails Model Airplane News Flying Amer ican Aircraft Modeler RC Modeler Na tional Aeronautics RIG Sportsman New York Herald Tribune beginning Karlstrom exhibited rare talent rendering almost air plane including could pos sibly have seen Using whatever informa tion available some inborn gift sorcery able visualize aircraft produce accurate detailed drawings minimum time Having worked Karistrom since late 1960s author can echo Bill Winters pithy tribute pleasure work abil ity prcx4uce excellent drawings almost no time never worries artwork wont ready schedule cannot matched anyone business proficient building skills wiz ardly understanding aircraft Karlstrom knack predicting future design trends Once 1953 got him trou ble made drawing deltawinged aircraft opinion would possible build within near future said drawing turned up American publication Newsweek under heading Swedens New Fighter Aircraft summoned Ministry Defense questioning highranking officers wanted know whether knew somebody SAAB whether unpatriotic showed Newsweek asked whether made drawing couldnt Continued page 168 THE BLACK BARON IRON Advanced hi-tech thermostat reduces temperature drift 50 Ordinary irons vary up 400 Exclusive roll bars fit fillets & under cambers Flat sole bevelled edges provides constant heat marks Coating 100% Blackstone big improvement over less expensive coatings slides almost no adhesive buildup Truly magnificent tooL CVETE 420 Babylon Rd Horsham PA 19044 magnificently crafted tool reduces temperature drift 5 100% Blackstone coating slides like butter 1ZZ7~ BQNU5IIi Two stands includng oie attahes iron lont aveto Exciusme roll-bars mit fillets & undercambers AMA Logo Ring Approved ACADEMY OF MODEL AERONAUTICS Rings cast solid 10K Gold P4ce SiGOOG el plus $250 Shipping Ordering InstructiOns Send Check Mosey Order Name Address Ring Sloe AMA No NAYcO Co Ben 21 Stratterd NJ 05084 Please allow d 6 weeks tsr delivery New Jersey renidents add k% tao Tie tiew dot Electarseic Ss*sJhaearLlghfest Weight Rdy4-Mmt EaghsI New Prop adapter Byrons 4 3 bleded1 props AlE CiupbtFIts Sedi ermglnewItt 718 boh pattern NeEhbg EXfr5 pius shipping 27 00 NOCOT0 Law 200MM tammly RotteN$24995 ness body wheel pants cowl Ship fr Hsnd *43000 Foam wing balsa Included *48000 @phiemaMEeg*ees New 2-piece wieg ewiesIoai 5 Thmupied 34 bIOeZ0zUHIJI 407Dl5 nres OaI Customized front newest Garmsn engines puts Muffler Mount Moemtkig Baits Ptssaure Tsp Smoke ________________________ Carburetor Linksge COI Ignition CII Electroniosi 48 Volt Ignition Peck Safety Swisit SIsflolt Hub Resistor Spark Plugs Year Warrenty Faulty Parts Workmeneh T G MFGU 857 HIgh Moutal Rd North Haled. NJ 07508 274845 Made USA Curtiss Jenny * Quality hand-cut kit complete plans rigging scale control setup wire parts pro-bent custom hardware included parts individually identified packaged Complete decals * Engine sizes 26 50 FS 25 TS * Wing unit removes four screws less 3 minutes flying wires left intact * Superb flight characteristics 15900 VISA e MasterCard Money Order Michigan residents add 4% asiec tax Add *550 P81 US orders $1500 foreign Video Catalog 81500 poet rid VHSIBeta Regular Catalog choice Mini-Plan Hand-Cut Quality Affordable Price AERODROME MODELS LTD j1 Saginaw MI 48603 __517 781-3000 Other Kits Available Aero-Pacer Baby -Pacer Gipey Moth Flybaby Flybaby Combo Hawker Hurricane Jester deny pointed out same drawing published Flygning 1950 officers checked found correct quickly ended investiga tion prototype SAAB Dra ken delta jet unveiled long after wards Karlstrom shown proph et has great deal Bjorn Karlstrom aviation illustration creating space comics impressive achievements very active modeler during 1930s 1940s spe cializing large Scale models such Stin sons Fairchilds 1944 produced FLYG 44 first diesel-engined Free Flight craft Scandinavia exhibit really good flying characteristics Long before 1938 built simple rubberpowered Free Right model used mechanism resembling wide-chord pivot ing wing struts roll control Toward end active building career Karlstrom became popular speak er giving lectures numerous model clubs building small Scale airplanes continues create cutout paper models have appeared About Hobby magazine form inserts Such multifaceted involvement avia tion would have exhausted people Bjom Karlstrom found time yet another role industrial designer drafts man During 1950s 1960s created variety successful vehicle designs also illustrated trucks Scania-Vabis locomotives Motala Verkstad 1952 1965 designed mopeds built Crescent firm pop ular 2000 moped likened critic sculpture designed boats pow ered outboard motors including Pi dinghy 1600 sold Swedish magazine Motor published plans two motorboats Ballerina 50-hp Mercury engine could hit 45 knots nifty little SAAB Sonnett TI sports car body designed Karlstrom went far afield design home freezer streamlined lawn mower Karlstrom achieved formal engineering training gifted eye design methodical mind made up lack lifetime creativ ity has brought rewards 6ther finan cial Karlstrom presented Sod erberg Plaque Swedish Aviation tory Association 1981 received treasured Paul Tissandier Diploma Federation Aeronautique Internationale FAJ next time look set scale drawings notice familiar name bracing Scandinavian ring take mo ment think about man behind pen Now know range depth contribution aviation aeronautical design seeing Bjorn Karlstroms name will conjure up images ice-bound fjords snowshoes glittering craggy peaks Without ever setting foot west ern side Atlantic talented knowledgeable man has great impact people American aviation CL Aerobatics/Fancher Continued page 62 physical point engine/pump senses fuel mass neither above nor below position fuel pickup tube inside tank point end uniflow tube case uniflow tank engine/pump will dis cern no difference between upright inverted flight engine rpm will remain same Given premise made some assumptions developed some theories disassem bled measured both Fox 35 ST 46 engines am familiar verify conclusions first assumed bottom crankcase lower fixed end pump top inside piston upper variable end also assumed volume pump consistent throughout isnt course since upper end composed both uni formly round walls cylinder plus pass area bottom end irregularly shaped lower crankcase bore intake passage crankshaft theorized center pump top bottom would approximate ear defined Center Pumping Action Thi theory complicated fact pum TDC has significantly greater volume BDC theoretical solution dilemm assume CPA would located point midway between average heights thi 168 Model Aviation
Edition: Model Aviation - 1989/03
Page Numbers: 58, 59, 60, 61, 166, 168
Karistroms alter egoAgaton penguin little guy hard work drawing Blorn will eventually take credit man name youve seen scads drawings other modeling mag azines Read EDon Berliner IF YOUVE regular reader Amer ican aviation magazines during past three decades legend Scale drawings Bjorn Karistrom familiar hundreds such publications Karistroms drawings have appeared over last 35 years distinctive style Swedish artist recognizable sight Yet among us would know Bjorn Karistrom walked through door Bill Winter venerable former editor Model Aviation probably first American editor use Karlstroms work back around 1950 has never set eyes him spoken him phone author has collabo rated Bjorn several dozen articles over past 15 20 years wouldnt able identify him walked up fered shake hands international conspir acy keep identity background se cret could hardly have worked ef fectively combination circum- subject man Bjorn means bear Swedish Karlstrom Hes surrounded stances has kept Bjom Karlstroms per- samples articles comics scale drawings models created 45-year career Bjo rn Karistrom sona dark Now assistance portrait artist revealed craft done maintenace work full-size airof Canadian modeler Norwegian air- Swedish article extremely gifted planes illustrated comics books line pilot can finally tell story man longtime penchant technical subject never licensed pilot Peter Maim Guelph Ontario got design has concentrated being has flown diverse types airplanes things started found booklet limited aviation Karlstroms abiding in- Karlstrom born March 1921 article about Karlstrom Swedish terest matters aeronautical dates Boden far north Sweden model contest Mann brought article age 12 1933 built first near Finnish border age eight attention Model Aviation Scale model Cleveland kit Nor- moved family Stockholm translated Jan Christie retired Scan- throp Gamma Since early age Bjorn Swedish capital attended school dinavian Airlines Boeing 747 captain Karlstrom has designed well built After high school enrolled StockFormula race pilot now living Wis- different types models drawn hun- holm Industrial Art School inten consin dreds perhaps thousands different air- tion becoming art teacher trans 58 Model Aviation Bjorns first magazine cover 1939 Flygning Flying magazine shows Waco UIC skis buzzing snow-covered village ferred schools engineering branch curriculum included two-month stint aircraft shop practical experience Karistrom became skilled aircraft carpentry covering two months stretched two years During time applied artistic talent special paint jobs Wacos Cubs Stinsons de Hav illand Moths interest wide variety airplanes flourished Although working full-time full-size airplanes Karlstrom hadnt stopped building models miniature crea tions attracted interest editor Flygning Flying led joining magazine staff professional aviation artist 17 years old cover early 1939 issue Flyg fling Karlstrom drawing Waco AVd72NAY / 4ATL44 U dTN/AG QV - HL4 Ou-rA ry J44 OANL/47 scz Vibrcdopter Mk-1 K Karistroms Vibracopter Mk-1 1h supposedly designed Mr Cognacandwhiskey clas sified quadraphibian able operate land air water underwater UIC biplane skis Later year whimsical penguin named Agaton Roammagazine published first detailed scale ing margins drawings humordrawings Heinkel 5 Swedish Air ous bird Karlstroms sly way expres Force markings Quickly following sing views variety sometimes Tiger Moth Tipsy S2 Kjemm 35 controversial topics example Agaton Bristol Fighter touted ability rubber-powered Scale wasnt long before artist introduced models fly well popular position / Skala zxo Spannvidd Sio mm Lngd total Soo mm Stab spy 340 mm Motor GP diesel eller Dyno mm arly postwar design diesel-powered pusher canard Bjorn named Akka wingspan 2 ft 8 length 2 71/2 Thanks Alit Om Hobby drawings/photos March 1989 59 hero inc cover OT 1-ly magazine 1944 Bjorn showing Flyg 44 FF Power model Swedish Count Folke Bernadotte later United Nations official y ___ 3 Pm 35 & _____ s time Sweden Apparently opinion ated little flight-minded land-bound cm sader carried lot appeal maga zines readers late 1941 Agaton own corner youth section Flygning During same period Karistrom took big career step forward first comic strip Jan Winther futuristic tale along lines Buck Rogers Instead wonder ful old cabin biplanes skimming over scenic lakes Jan Winther featured rocket ships swooshing around mountains alien planets Swedens neutrality World War II didnt sidestep compulsory military service Karlstrom After brief predictably un happy period foot soldier put work draftsman able conThree-view drawing German Olympia sailplane included informative sketch Agaton showing off launching technique somewhat simplistic prototype what would become Vibracopter Mk-1 shown another sketchonce Blorn elimi nated rudder rounded off cornersi tinue civilian career spare time second comic strip Johnny Viking begun About adventures thorough going macho type ran Weekly Re vue 1942 1946 replacing Amer ican Flash Gordon wasnt avail able Sweden during war Johnny Viking perfect dium Karlstroms technical creativity gave him chance imagine future several instances did quite ac curately An item called soundscope anticipated invention television thermoflame precursor days laser Karlsons final assignment Army produce large illustrations used aviation display Stockholms Skan sen amusement park As GI earn ing substantial salary about 35 cents day Upon becoming civilian again Karlstrom went work Air Force draw ing silhouettes caricatures Air60 Model Aviation 1 nfl - \ -I Si 5D 5F- OLYIIPII tnt lain cover Illustration above line drawings below Karistroms 1944 look near future two-seat amphibian UPA-1 highly streamlined fully re tractable wheels envisioned cruising speed 97 mph juat 60 hp UPA-1 wingspan 20 ft length 20ff craft Recognition handbook facility transforming rather poor basic material very accurate drawings put good ef fect discipline Karlstrom eventually turned out thousands silhouettes came recognized master special ized type drawing p selection several different cartoons creative mind pen Biorn Karistrom Rymd-Johan Space-John parody Flash Gordon Johnny Wiking Viking 1940s science-fiction strip Fran Kust till Kust Coast Coast about car trip across America early lOOOs Oscar Fly Karistrom writer work Plngvinen Agaton old friend very creative penguin 1944 continuing foray science next year Dotty Virvelvind be- sodes fiction Karistrom illustrated Dotty Vir came full-page color comic strip realistic series Voyage velvind Whirlwind series novels about magazine Living Life Karlstrom did Human Body produced 1946 col adventures Swedish Wonder Worn- drawings two 21 epi-Continued page 166 March 1989 61 Karistrom/Berliner Continued page 61 laboration writer become leading cancer scientist told story group miniaturized scientists went human body fight tuberculo sis bacteria represented humanoid monsters series continued 30 stailments after canceled cause too readers found difficult accept Moreover some objected Karistroms drawings scantily clad young ladies Tn 1949 went create Space Johan parody Flash Gordon magazine Hobby People final episode hero sidekick stuck jail refreshing departure usual hap pily ever after tidying up same year began yet another space comic strip Leo Falk packed realistic action including prophetic theme space travel Some original drawings series ran until 1952 Technical World pur chased Swedish National Museum display Leo Fallc resurrected 166 Model Aviation 1983 Svenska Dagbladet countrys second largest daily newspaper Diverging aerospace world Karlstrom became creator Coast Coast introduced Motor 1954 documentary style comic strip full antique cars about cross-country drive America during very early part century During 1940s Karistroms drawings appeared Swedish aviation publica tion technical mechanical maga zmes several general circulation publi cations early Fifties decided ex port talents acquired American agent colorful former air show barker Blimp Friedman through Fried man Bill Winter first learned pro lific Swedes work ensuing years scale drawings enriched pages Air Trails Model Airplane News Flying Amer ican Aircraft Modeler RC Modeler Na tional Aeronautics RIG Sportsman New York Herald Tribune beginning Karlstrom exhibited rare talent rendering almost air plane including could pos sibly have seen Using whatever informa tion available some inborn gift sorcery able visualize aircraft produce accurate detailed drawings minimum time Having worked Karistrom since late 1960s author can echo Bill Winters pithy tribute pleasure work abil ity prcx4uce excellent drawings almost no time never worries artwork wont ready schedule cannot matched anyone business proficient building skills wiz ardly understanding aircraft Karlstrom knack predicting future design trends Once 1953 got him trou ble made drawing deltawinged aircraft opinion would possible build within near future said drawing turned up American publication Newsweek under heading Swedens New Fighter Aircraft summoned Ministry Defense questioning highranking officers wanted know whether knew somebody SAAB whether unpatriotic showed Newsweek asked whether made drawing couldnt Continued page 168 THE BLACK BARON IRON Advanced hi-tech thermostat reduces temperature drift 50 Ordinary irons vary up 400 Exclusive roll bars fit fillets & under cambers Flat sole bevelled edges provides constant heat marks Coating 100% Blackstone big improvement over less expensive coatings slides almost no adhesive buildup Truly magnificent tooL CVETE 420 Babylon Rd Horsham PA 19044 magnificently crafted tool reduces temperature drift 5 100% Blackstone coating slides like butter 1ZZ7~ BQNU5IIi Two stands includng oie attahes iron lont aveto Exciusme roll-bars mit fillets & undercambers AMA Logo Ring Approved ACADEMY OF MODEL AERONAUTICS Rings cast solid 10K Gold P4ce SiGOOG el plus $250 Shipping Ordering InstructiOns Send Check Mosey Order Name Address Ring Sloe AMA No NAYcO Co Ben 21 Stratterd NJ 05084 Please allow d 6 weeks tsr delivery New Jersey renidents add k% tao Tie tiew dot Electarseic Ss*sJhaearLlghfest Weight Rdy4-Mmt EaghsI New Prop adapter Byrons 4 3 bleded1 props AlE CiupbtFIts Sedi ermglnewItt 718 boh pattern NeEhbg EXfr5 pius shipping 27 00 NOCOT0 Law 200MM tammly RotteN$24995 ness body wheel pants cowl Ship fr Hsnd *43000 Foam wing balsa Included *48000 @phiemaMEeg*ees New 2-piece wieg ewiesIoai 5 Thmupied 34 bIOeZ0zUHIJI 407Dl5 nres OaI Customized front newest Garmsn engines puts Muffler Mount Moemtkig Baits Ptssaure Tsp Smoke ________________________ Carburetor Linksge COI Ignition CII Electroniosi 48 Volt Ignition Peck Safety Swisit SIsflolt Hub Resistor Spark Plugs Year Warrenty Faulty Parts Workmeneh T G MFGU 857 HIgh Moutal Rd North Haled. NJ 07508 274845 Made USA Curtiss Jenny * Quality hand-cut kit complete plans rigging scale control setup wire parts pro-bent custom hardware included parts individually identified packaged Complete decals * Engine sizes 26 50 FS 25 TS * Wing unit removes four screws less 3 minutes flying wires left intact * Superb flight characteristics 15900 VISA e MasterCard Money Order Michigan residents add 4% asiec tax Add *550 P81 US orders $1500 foreign Video Catalog 81500 poet rid VHSIBeta Regular Catalog choice Mini-Plan Hand-Cut Quality Affordable Price AERODROME MODELS LTD j1 Saginaw MI 48603 __517 781-3000 Other Kits Available Aero-Pacer Baby -Pacer Gipey Moth Flybaby Flybaby Combo Hawker Hurricane Jester deny pointed out same drawing published Flygning 1950 officers checked found correct quickly ended investiga tion prototype SAAB Dra ken delta jet unveiled long after wards Karlstrom shown proph et has great deal Bjorn Karlstrom aviation illustration creating space comics impressive achievements very active modeler during 1930s 1940s spe cializing large Scale models such Stin sons Fairchilds 1944 produced FLYG 44 first diesel-engined Free Flight craft Scandinavia exhibit really good flying characteristics Long before 1938 built simple rubberpowered Free Right model used mechanism resembling wide-chord pivot ing wing struts roll control Toward end active building career Karlstrom became popular speak er giving lectures numerous model clubs building small Scale airplanes continues create cutout paper models have appeared About Hobby magazine form inserts Such multifaceted involvement avia tion would have exhausted people Bjom Karlstrom found time yet another role industrial designer drafts man During 1950s 1960s created variety successful vehicle designs also illustrated trucks Scania-Vabis locomotives Motala Verkstad 1952 1965 designed mopeds built Crescent firm pop ular 2000 moped likened critic sculpture designed boats pow ered outboard motors including Pi dinghy 1600 sold Swedish magazine Motor published plans two motorboats Ballerina 50-hp Mercury engine could hit 45 knots nifty little SAAB Sonnett TI sports car body designed Karlstrom went far afield design home freezer streamlined lawn mower Karlstrom achieved formal engineering training gifted eye design methodical mind made up lack lifetime creativ ity has brought rewards 6ther finan cial Karlstrom presented Sod erberg Plaque Swedish Aviation tory Association 1981 received treasured Paul Tissandier Diploma Federation Aeronautique Internationale FAJ next time look set scale drawings notice familiar name bracing Scandinavian ring take mo ment think about man behind pen Now know range depth contribution aviation aeronautical design seeing Bjorn Karlstroms name will conjure up images ice-bound fjords snowshoes glittering craggy peaks Without ever setting foot west ern side Atlantic talented knowledgeable man has great impact people American aviation CL Aerobatics/Fancher Continued page 62 physical point engine/pump senses fuel mass neither above nor below position fuel pickup tube inside tank point end uniflow tube case uniflow tank engine/pump will dis cern no difference between upright inverted flight engine rpm will remain same Given premise made some assumptions developed some theories disassem bled measured both Fox 35 ST 46 engines am familiar verify conclusions first assumed bottom crankcase lower fixed end pump top inside piston upper variable end also assumed volume pump consistent throughout isnt course since upper end composed both uni formly round walls cylinder plus pass area bottom end irregularly shaped lower crankcase bore intake passage crankshaft theorized center pump top bottom would approximate ear defined Center Pumping Action Thi theory complicated fact pum TDC has significantly greater volume BDC theoretical solution dilemm assume CPA would located point midway between average heights thi 168 Model Aviation
Edition: Model Aviation - 1989/03
Page Numbers: 58, 59, 60, 61, 166, 168
Karistroms alter egoAgaton penguin little guy hard work drawing Blorn will eventually take credit man name youve seen scads drawings other modeling mag azines Read EDon Berliner IF YOUVE regular reader Amer ican aviation magazines during past three decades legend Scale drawings Bjorn Karistrom familiar hundreds such publications Karistroms drawings have appeared over last 35 years distinctive style Swedish artist recognizable sight Yet among us would know Bjorn Karistrom walked through door Bill Winter venerable former editor Model Aviation probably first American editor use Karlstroms work back around 1950 has never set eyes him spoken him phone author has collabo rated Bjorn several dozen articles over past 15 20 years wouldnt able identify him walked up fered shake hands international conspir acy keep identity background se cret could hardly have worked ef fectively combination circum- subject man Bjorn means bear Swedish Karlstrom Hes surrounded stances has kept Bjom Karlstroms per- samples articles comics scale drawings models created 45-year career Bjo rn Karistrom sona dark Now assistance portrait artist revealed craft done maintenace work full-size airof Canadian modeler Norwegian air- Swedish article extremely gifted planes illustrated comics books line pilot can finally tell story man longtime penchant technical subject never licensed pilot Peter Maim Guelph Ontario got design has concentrated being has flown diverse types airplanes things started found booklet limited aviation Karlstroms abiding in- Karlstrom born March 1921 article about Karlstrom Swedish terest matters aeronautical dates Boden far north Sweden model contest Mann brought article age 12 1933 built first near Finnish border age eight attention Model Aviation Scale model Cleveland kit Nor- moved family Stockholm translated Jan Christie retired Scan- throp Gamma Since early age Bjorn Swedish capital attended school dinavian Airlines Boeing 747 captain Karlstrom has designed well built After high school enrolled StockFormula race pilot now living Wis- different types models drawn hun- holm Industrial Art School inten consin dreds perhaps thousands different air- tion becoming art teacher trans 58 Model Aviation Bjorns first magazine cover 1939 Flygning Flying magazine shows Waco UIC skis buzzing snow-covered village ferred schools engineering branch curriculum included two-month stint aircraft shop practical experience Karistrom became skilled aircraft carpentry covering two months stretched two years During time applied artistic talent special paint jobs Wacos Cubs Stinsons de Hav illand Moths interest wide variety airplanes flourished Although working full-time full-size airplanes Karlstrom hadnt stopped building models miniature crea tions attracted interest editor Flygning Flying led joining magazine staff professional aviation artist 17 years old cover early 1939 issue Flyg fling Karlstrom drawing Waco AVd72NAY / 4ATL44 U dTN/AG QV - HL4 Ou-rA ry J44 OANL/47 scz Vibrcdopter Mk-1 K Karistroms Vibracopter Mk-1 1h supposedly designed Mr Cognacandwhiskey clas sified quadraphibian able operate land air water underwater UIC biplane skis Later year whimsical penguin named Agaton Roammagazine published first detailed scale ing margins drawings humordrawings Heinkel 5 Swedish Air ous bird Karlstroms sly way expres Force markings Quickly following sing views variety sometimes Tiger Moth Tipsy S2 Kjemm 35 controversial topics example Agaton Bristol Fighter touted ability rubber-powered Scale wasnt long before artist introduced models fly well popular position / Skala zxo Spannvidd Sio mm Lngd total Soo mm Stab spy 340 mm Motor GP diesel eller Dyno mm arly postwar design diesel-powered pusher canard Bjorn named Akka wingspan 2 ft 8 length 2 71/2 Thanks Alit Om Hobby drawings/photos March 1989 59 hero inc cover OT 1-ly magazine 1944 Bjorn showing Flyg 44 FF Power model Swedish Count Folke Bernadotte later United Nations official y ___ 3 Pm 35 & _____ s time Sweden Apparently opinion ated little flight-minded land-bound cm sader carried lot appeal maga zines readers late 1941 Agaton own corner youth section Flygning During same period Karistrom took big career step forward first comic strip Jan Winther futuristic tale along lines Buck Rogers Instead wonder ful old cabin biplanes skimming over scenic lakes Jan Winther featured rocket ships swooshing around mountains alien planets Swedens neutrality World War II didnt sidestep compulsory military service Karlstrom After brief predictably un happy period foot soldier put work draftsman able conThree-view drawing German Olympia sailplane included informative sketch Agaton showing off launching technique somewhat simplistic prototype what would become Vibracopter Mk-1 shown another sketchonce Blorn elimi nated rudder rounded off cornersi tinue civilian career spare time second comic strip Johnny Viking begun About adventures thorough going macho type ran Weekly Re vue 1942 1946 replacing Amer ican Flash Gordon wasnt avail able Sweden during war Johnny Viking perfect dium Karlstroms technical creativity gave him chance imagine future several instances did quite ac curately An item called soundscope anticipated invention television thermoflame precursor days laser Karlsons final assignment Army produce large illustrations used aviation display Stockholms Skan sen amusement park As GI earn ing substantial salary about 35 cents day Upon becoming civilian again Karlstrom went work Air Force draw ing silhouettes caricatures Air60 Model Aviation 1 nfl - \ -I Si 5D 5F- OLYIIPII tnt lain cover Illustration above line drawings below Karistroms 1944 look near future two-seat amphibian UPA-1 highly streamlined fully re tractable wheels envisioned cruising speed 97 mph juat 60 hp UPA-1 wingspan 20 ft length 20ff craft Recognition handbook facility transforming rather poor basic material very accurate drawings put good ef fect discipline Karlstrom eventually turned out thousands silhouettes came recognized master special ized type drawing p selection several different cartoons creative mind pen Biorn Karistrom Rymd-Johan Space-John parody Flash Gordon Johnny Wiking Viking 1940s science-fiction strip Fran Kust till Kust Coast Coast about car trip across America early lOOOs Oscar Fly Karistrom writer work Plngvinen Agaton old friend very creative penguin 1944 continuing foray science next year Dotty Virvelvind be- sodes fiction Karistrom illustrated Dotty Vir came full-page color comic strip realistic series Voyage velvind Whirlwind series novels about magazine Living Life Karlstrom did Human Body produced 1946 col adventures Swedish Wonder Worn- drawings two 21 epi-Continued page 166 March 1989 61 Karistrom/Berliner Continued page 61 laboration writer become leading cancer scientist told story group miniaturized scientists went human body fight tuberculo sis bacteria represented humanoid monsters series continued 30 stailments after canceled cause too readers found difficult accept Moreover some objected Karistroms drawings scantily clad young ladies Tn 1949 went create Space Johan parody Flash Gordon magazine Hobby People final episode hero sidekick stuck jail refreshing departure usual hap pily ever after tidying up same year began yet another space comic strip Leo Falk packed realistic action including prophetic theme space travel Some original drawings series ran until 1952 Technical World pur chased Swedish National Museum display Leo Fallc resurrected 166 Model Aviation 1983 Svenska Dagbladet countrys second largest daily newspaper Diverging aerospace world Karlstrom became creator Coast Coast introduced Motor 1954 documentary style comic strip full antique cars about cross-country drive America during very early part century During 1940s Karistroms drawings appeared Swedish aviation publica tion technical mechanical maga zmes several general circulation publi cations early Fifties decided ex port talents acquired American agent colorful former air show barker Blimp Friedman through Fried man Bill Winter first learned pro lific Swedes work ensuing years scale drawings enriched pages Air Trails Model Airplane News Flying Amer ican Aircraft Modeler RC Modeler Na tional Aeronautics RIG Sportsman New York Herald Tribune beginning Karlstrom exhibited rare talent rendering almost air plane including could pos sibly have seen Using whatever informa tion available some inborn gift sorcery able visualize aircraft produce accurate detailed drawings minimum time Having worked Karistrom since late 1960s author can echo Bill Winters pithy tribute pleasure work abil ity prcx4uce excellent drawings almost no time never worries artwork wont ready schedule cannot matched anyone business proficient building skills wiz ardly understanding aircraft Karlstrom knack predicting future design trends Once 1953 got him trou ble made drawing deltawinged aircraft opinion would possible build within near future said drawing turned up American publication Newsweek under heading Swedens New Fighter Aircraft summoned Ministry Defense questioning highranking officers wanted know whether knew somebody SAAB whether unpatriotic showed Newsweek asked whether made drawing couldnt Continued page 168 THE BLACK BARON IRON Advanced hi-tech thermostat reduces temperature drift 50 Ordinary irons vary up 400 Exclusive roll bars fit fillets & under cambers Flat sole bevelled edges provides constant heat marks Coating 100% Blackstone big improvement over less expensive coatings slides almost no adhesive buildup Truly magnificent tooL CVETE 420 Babylon Rd Horsham PA 19044 magnificently crafted tool reduces temperature drift 5 100% Blackstone coating slides like butter 1ZZ7~ BQNU5IIi Two stands includng oie attahes iron lont aveto Exciusme roll-bars mit fillets & undercambers AMA Logo Ring Approved ACADEMY OF MODEL AERONAUTICS Rings cast solid 10K Gold P4ce SiGOOG el plus $250 Shipping Ordering InstructiOns Send Check Mosey Order Name Address Ring Sloe AMA No NAYcO Co Ben 21 Stratterd NJ 05084 Please allow d 6 weeks tsr delivery New Jersey renidents add k% tao Tie tiew dot Electarseic Ss*sJhaearLlghfest Weight Rdy4-Mmt EaghsI New Prop adapter Byrons 4 3 bleded1 props AlE CiupbtFIts Sedi ermglnewItt 718 boh pattern NeEhbg EXfr5 pius shipping 27 00 NOCOT0 Law 200MM tammly RotteN$24995 ness body wheel pants cowl Ship fr Hsnd *43000 Foam wing balsa Included *48000 @phiemaMEeg*ees New 2-piece wieg ewiesIoai 5 Thmupied 34 bIOeZ0zUHIJI 407Dl5 nres OaI Customized front newest Garmsn engines puts Muffler Mount Moemtkig Baits Ptssaure Tsp Smoke ________________________ Carburetor Linksge COI Ignition CII Electroniosi 48 Volt Ignition Peck Safety Swisit SIsflolt Hub Resistor Spark Plugs Year Warrenty Faulty Parts Workmeneh T G MFGU 857 HIgh Moutal Rd North Haled. NJ 07508 274845 Made USA Curtiss Jenny * Quality hand-cut kit complete plans rigging scale control setup wire parts pro-bent custom hardware included parts individually identified packaged Complete decals * Engine sizes 26 50 FS 25 TS * Wing unit removes four screws less 3 minutes flying wires left intact * Superb flight characteristics 15900 VISA e MasterCard Money Order Michigan residents add 4% asiec tax Add *550 P81 US orders $1500 foreign Video Catalog 81500 poet rid VHSIBeta Regular Catalog choice Mini-Plan Hand-Cut Quality Affordable Price AERODROME MODELS LTD j1 Saginaw MI 48603 __517 781-3000 Other Kits Available Aero-Pacer Baby -Pacer Gipey Moth Flybaby Flybaby Combo Hawker Hurricane Jester deny pointed out same drawing published Flygning 1950 officers checked found correct quickly ended investiga tion prototype SAAB Dra ken delta jet unveiled long after wards Karlstrom shown proph et has great deal Bjorn Karlstrom aviation illustration creating space comics impressive achievements very active modeler during 1930s 1940s spe cializing large Scale models such Stin sons Fairchilds 1944 produced FLYG 44 first diesel-engined Free Flight craft Scandinavia exhibit really good flying characteristics Long before 1938 built simple rubberpowered Free Right model used mechanism resembling wide-chord pivot ing wing struts roll control Toward end active building career Karlstrom became popular speak er giving lectures numerous model clubs building small Scale airplanes continues create cutout paper models have appeared About Hobby magazine form inserts Such multifaceted involvement avia tion would have exhausted people Bjom Karlstrom found time yet another role industrial designer drafts man During 1950s 1960s created variety successful vehicle designs also illustrated trucks Scania-Vabis locomotives Motala Verkstad 1952 1965 designed mopeds built Crescent firm pop ular 2000 moped likened critic sculpture designed boats pow ered outboard motors including Pi dinghy 1600 sold Swedish magazine Motor published plans two motorboats Ballerina 50-hp Mercury engine could hit 45 knots nifty little SAAB Sonnett TI sports car body designed Karlstrom went far afield design home freezer streamlined lawn mower Karlstrom achieved formal engineering training gifted eye design methodical mind made up lack lifetime creativ ity has brought rewards 6ther finan cial Karlstrom presented Sod erberg Plaque Swedish Aviation tory Association 1981 received treasured Paul Tissandier Diploma Federation Aeronautique Internationale FAJ next time look set scale drawings notice familiar name bracing Scandinavian ring take mo ment think about man behind pen Now know range depth contribution aviation aeronautical design seeing Bjorn Karlstroms name will conjure up images ice-bound fjords snowshoes glittering craggy peaks Without ever setting foot west ern side Atlantic talented knowledgeable man has great impact people American aviation CL Aerobatics/Fancher Continued page 62 physical point engine/pump senses fuel mass neither above nor below position fuel pickup tube inside tank point end uniflow tube case uniflow tank engine/pump will dis cern no difference between upright inverted flight engine rpm will remain same Given premise made some assumptions developed some theories disassem bled measured both Fox 35 ST 46 engines am familiar verify conclusions first assumed bottom crankcase lower fixed end pump top inside piston upper variable end also assumed volume pump consistent throughout isnt course since upper end composed both uni formly round walls cylinder plus pass area bottom end irregularly shaped lower crankcase bore intake passage crankshaft theorized center pump top bottom would approximate ear defined Center Pumping Action Thi theory complicated fact pum TDC has significantly greater volume BDC theoretical solution dilemm assume CPA would located point midway between average heights thi 168 Model Aviation
Edition: Model Aviation - 1989/03
Page Numbers: 58, 59, 60, 61, 166, 168
Karistroms alter egoAgaton penguin little guy hard work drawing Blorn will eventually take credit man name youve seen scads drawings other modeling mag azines Read EDon Berliner IF YOUVE regular reader Amer ican aviation magazines during past three decades legend Scale drawings Bjorn Karistrom familiar hundreds such publications Karistroms drawings have appeared over last 35 years distinctive style Swedish artist recognizable sight Yet among us would know Bjorn Karistrom walked through door Bill Winter venerable former editor Model Aviation probably first American editor use Karlstroms work back around 1950 has never set eyes him spoken him phone author has collabo rated Bjorn several dozen articles over past 15 20 years wouldnt able identify him walked up fered shake hands international conspir acy keep identity background se cret could hardly have worked ef fectively combination circum- subject man Bjorn means bear Swedish Karlstrom Hes surrounded stances has kept Bjom Karlstroms per- samples articles comics scale drawings models created 45-year career Bjo rn Karistrom sona dark Now assistance portrait artist revealed craft done maintenace work full-size airof Canadian modeler Norwegian air- Swedish article extremely gifted planes illustrated comics books line pilot can finally tell story man longtime penchant technical subject never licensed pilot Peter Maim Guelph Ontario got design has concentrated being has flown diverse types airplanes things started found booklet limited aviation Karlstroms abiding in- Karlstrom born March 1921 article about Karlstrom Swedish terest matters aeronautical dates Boden far north Sweden model contest Mann brought article age 12 1933 built first near Finnish border age eight attention Model Aviation Scale model Cleveland kit Nor- moved family Stockholm translated Jan Christie retired Scan- throp Gamma Since early age Bjorn Swedish capital attended school dinavian Airlines Boeing 747 captain Karlstrom has designed well built After high school enrolled StockFormula race pilot now living Wis- different types models drawn hun- holm Industrial Art School inten consin dreds perhaps thousands different air- tion becoming art teacher trans 58 Model Aviation Bjorns first magazine cover 1939 Flygning Flying magazine shows Waco UIC skis buzzing snow-covered village ferred schools engineering branch curriculum included two-month stint aircraft shop practical experience Karistrom became skilled aircraft carpentry covering two months stretched two years During time applied artistic talent special paint jobs Wacos Cubs Stinsons de Hav illand Moths interest wide variety airplanes flourished Although working full-time full-size airplanes Karlstrom hadnt stopped building models miniature crea tions attracted interest editor Flygning Flying led joining magazine staff professional aviation artist 17 years old cover early 1939 issue Flyg fling Karlstrom drawing Waco AVd72NAY / 4ATL44 U dTN/AG QV - HL4 Ou-rA ry J44 OANL/47 scz Vibrcdopter Mk-1 K Karistroms Vibracopter Mk-1 1h supposedly designed Mr Cognacandwhiskey clas sified quadraphibian able operate land air water underwater UIC biplane skis Later year whimsical penguin named Agaton Roammagazine published first detailed scale ing margins drawings humordrawings Heinkel 5 Swedish Air ous bird Karlstroms sly way expres Force markings Quickly following sing views variety sometimes Tiger Moth Tipsy S2 Kjemm 35 controversial topics example Agaton Bristol Fighter touted ability rubber-powered Scale wasnt long before artist introduced models fly well popular position / Skala zxo Spannvidd Sio mm Lngd total Soo mm Stab spy 340 mm Motor GP diesel eller Dyno mm arly postwar design diesel-powered pusher canard Bjorn named Akka wingspan 2 ft 8 length 2 71/2 Thanks Alit Om Hobby drawings/photos March 1989 59 hero inc cover OT 1-ly magazine 1944 Bjorn showing Flyg 44 FF Power model Swedish Count Folke Bernadotte later United Nations official y ___ 3 Pm 35 & _____ s time Sweden Apparently opinion ated little flight-minded land-bound cm sader carried lot appeal maga zines readers late 1941 Agaton own corner youth section Flygning During same period Karistrom took big career step forward first comic strip Jan Winther futuristic tale along lines Buck Rogers Instead wonder ful old cabin biplanes skimming over scenic lakes Jan Winther featured rocket ships swooshing around mountains alien planets Swedens neutrality World War II didnt sidestep compulsory military service Karlstrom After brief predictably un happy period foot soldier put work draftsman able conThree-view drawing German Olympia sailplane included informative sketch Agaton showing off launching technique somewhat simplistic prototype what would become Vibracopter Mk-1 shown another sketchonce Blorn elimi nated rudder rounded off cornersi tinue civilian career spare time second comic strip Johnny Viking begun About adventures thorough going macho type ran Weekly Re vue 1942 1946 replacing Amer ican Flash Gordon wasnt avail able Sweden during war Johnny Viking perfect dium Karlstroms technical creativity gave him chance imagine future several instances did quite ac curately An item called soundscope anticipated invention television thermoflame precursor days laser Karlsons final assignment Army produce large illustrations used aviation display Stockholms Skan sen amusement park As GI earn ing substantial salary about 35 cents day Upon becoming civilian again Karlstrom went work Air Force draw ing silhouettes caricatures Air60 Model Aviation 1 nfl - \ -I Si 5D 5F- OLYIIPII tnt lain cover Illustration above line drawings below Karistroms 1944 look near future two-seat amphibian UPA-1 highly streamlined fully re tractable wheels envisioned cruising speed 97 mph juat 60 hp UPA-1 wingspan 20 ft length 20ff craft Recognition handbook facility transforming rather poor basic material very accurate drawings put good ef fect discipline Karlstrom eventually turned out thousands silhouettes came recognized master special ized type drawing p selection several different cartoons creative mind pen Biorn Karistrom Rymd-Johan Space-John parody Flash Gordon Johnny Wiking Viking 1940s science-fiction strip Fran Kust till Kust Coast Coast about car trip across America early lOOOs Oscar Fly Karistrom writer work Plngvinen Agaton old friend very creative penguin 1944 continuing foray science next year Dotty Virvelvind be- sodes fiction Karistrom illustrated Dotty Vir came full-page color comic strip realistic series Voyage velvind Whirlwind series novels about magazine Living Life Karlstrom did Human Body produced 1946 col adventures Swedish Wonder Worn- drawings two 21 epi-Continued page 166 March 1989 61 Karistrom/Berliner Continued page 61 laboration writer become leading cancer scientist told story group miniaturized scientists went human body fight tuberculo sis bacteria represented humanoid monsters series continued 30 stailments after canceled cause too readers found difficult accept Moreover some objected Karistroms drawings scantily clad young ladies Tn 1949 went create Space Johan parody Flash Gordon magazine Hobby People final episode hero sidekick stuck jail refreshing departure usual hap pily ever after tidying up same year began yet another space comic strip Leo Falk packed realistic action including prophetic theme space travel Some original drawings series ran until 1952 Technical World pur chased Swedish National Museum display Leo Fallc resurrected 166 Model Aviation 1983 Svenska Dagbladet countrys second largest daily newspaper Diverging aerospace world Karlstrom became creator Coast Coast introduced Motor 1954 documentary style comic strip full antique cars about cross-country drive America during very early part century During 1940s Karistroms drawings appeared Swedish aviation publica tion technical mechanical maga zmes several general circulation publi cations early Fifties decided ex port talents acquired American agent colorful former air show barker Blimp Friedman through Fried man Bill Winter first learned pro lific Swedes work ensuing years scale drawings enriched pages Air Trails Model Airplane News Flying Amer ican Aircraft Modeler RC Modeler Na tional Aeronautics RIG Sportsman New York Herald Tribune beginning Karlstrom exhibited rare talent rendering almost air plane including could pos sibly have seen Using whatever informa tion available some inborn gift sorcery able visualize aircraft produce accurate detailed drawings minimum time Having worked Karistrom since late 1960s author can echo Bill Winters pithy tribute pleasure work abil ity prcx4uce excellent drawings almost no time never worries artwork wont ready schedule cannot matched anyone business proficient building skills wiz ardly understanding aircraft Karlstrom knack predicting future design trends Once 1953 got him trou ble made drawing deltawinged aircraft opinion would possible build within near future said drawing turned up American publication Newsweek under heading Swedens New Fighter Aircraft summoned Ministry Defense questioning highranking officers wanted know whether knew somebody SAAB whether unpatriotic showed Newsweek asked whether made drawing couldnt Continued page 168 THE BLACK BARON IRON Advanced hi-tech thermostat reduces temperature drift 50 Ordinary irons vary up 400 Exclusive roll bars fit fillets & under cambers Flat sole bevelled edges provides constant heat marks Coating 100% Blackstone big improvement over less expensive coatings slides almost no adhesive buildup Truly magnificent tooL CVETE 420 Babylon Rd Horsham PA 19044 magnificently crafted tool reduces temperature drift 5 100% Blackstone coating slides like butter 1ZZ7~ BQNU5IIi Two stands includng oie attahes iron lont aveto Exciusme roll-bars mit fillets & undercambers AMA Logo Ring Approved ACADEMY OF MODEL AERONAUTICS Rings cast solid 10K Gold P4ce SiGOOG el plus $250 Shipping Ordering InstructiOns Send Check Mosey Order Name Address Ring Sloe AMA No NAYcO Co Ben 21 Stratterd NJ 05084 Please allow d 6 weeks tsr delivery New Jersey renidents add k% tao Tie tiew dot Electarseic Ss*sJhaearLlghfest Weight Rdy4-Mmt EaghsI New Prop adapter Byrons 4 3 bleded1 props AlE CiupbtFIts Sedi ermglnewItt 718 boh pattern NeEhbg EXfr5 pius shipping 27 00 NOCOT0 Law 200MM tammly RotteN$24995 ness body wheel pants cowl Ship fr Hsnd *43000 Foam wing balsa Included *48000 @phiemaMEeg*ees New 2-piece wieg ewiesIoai 5 Thmupied 34 bIOeZ0zUHIJI 407Dl5 nres OaI Customized front newest Garmsn engines puts Muffler Mount Moemtkig Baits Ptssaure Tsp Smoke ________________________ Carburetor Linksge COI Ignition CII Electroniosi 48 Volt Ignition Peck Safety Swisit SIsflolt Hub Resistor Spark Plugs Year Warrenty Faulty Parts Workmeneh T G MFGU 857 HIgh Moutal Rd North Haled. NJ 07508 274845 Made USA Curtiss Jenny * Quality hand-cut kit complete plans rigging scale control setup wire parts pro-bent custom hardware included parts individually identified packaged Complete decals * Engine sizes 26 50 FS 25 TS * Wing unit removes four screws less 3 minutes flying wires left intact * Superb flight characteristics 15900 VISA e MasterCard Money Order Michigan residents add 4% asiec tax Add *550 P81 US orders $1500 foreign Video Catalog 81500 poet rid VHSIBeta Regular Catalog choice Mini-Plan Hand-Cut Quality Affordable Price AERODROME MODELS LTD j1 Saginaw MI 48603 __517 781-3000 Other Kits Available Aero-Pacer Baby -Pacer Gipey Moth Flybaby Flybaby Combo Hawker Hurricane Jester deny pointed out same drawing published Flygning 1950 officers checked found correct quickly ended investiga tion prototype SAAB Dra ken delta jet unveiled long after wards Karlstrom shown proph et has great deal Bjorn Karlstrom aviation illustration creating space comics impressive achievements very active modeler during 1930s 1940s spe cializing large Scale models such Stin sons Fairchilds 1944 produced FLYG 44 first diesel-engined Free Flight craft Scandinavia exhibit really good flying characteristics Long before 1938 built simple rubberpowered Free Right model used mechanism resembling wide-chord pivot ing wing struts roll control Toward end active building career Karlstrom became popular speak er giving lectures numerous model clubs building small Scale airplanes continues create cutout paper models have appeared About Hobby magazine form inserts Such multifaceted involvement avia tion would have exhausted people Bjom Karlstrom found time yet another role industrial designer drafts man During 1950s 1960s created variety successful vehicle designs also illustrated trucks Scania-Vabis locomotives Motala Verkstad 1952 1965 designed mopeds built Crescent firm pop ular 2000 moped likened critic sculpture designed boats pow ered outboard motors including Pi dinghy 1600 sold Swedish magazine Motor published plans two motorboats Ballerina 50-hp Mercury engine could hit 45 knots nifty little SAAB Sonnett TI sports car body designed Karlstrom went far afield design home freezer streamlined lawn mower Karlstrom achieved formal engineering training gifted eye design methodical mind made up lack lifetime creativ ity has brought rewards 6ther finan cial Karlstrom presented Sod erberg Plaque Swedish Aviation tory Association 1981 received treasured Paul Tissandier Diploma Federation Aeronautique Internationale FAJ next time look set scale drawings notice familiar name bracing Scandinavian ring take mo ment think about man behind pen Now know range depth contribution aviation aeronautical design seeing Bjorn Karlstroms name will conjure up images ice-bound fjords snowshoes glittering craggy peaks Without ever setting foot west ern side Atlantic talented knowledgeable man has great impact people American aviation CL Aerobatics/Fancher Continued page 62 physical point engine/pump senses fuel mass neither above nor below position fuel pickup tube inside tank point end uniflow tube case uniflow tank engine/pump will dis cern no difference between upright inverted flight engine rpm will remain same Given premise made some assumptions developed some theories disassem bled measured both Fox 35 ST 46 engines am familiar verify conclusions first assumed bottom crankcase lower fixed end pump top inside piston upper variable end also assumed volume pump consistent throughout isnt course since upper end composed both uni formly round walls cylinder plus pass area bottom end irregularly shaped lower crankcase bore intake passage crankshaft theorized center pump top bottom would approximate ear defined Center Pumping Action Thi theory complicated fact pum TDC has significantly greater volume BDC theoretical solution dilemm assume CPA would located point midway between average heights thi 168 Model Aviation
Edition: Model Aviation - 1989/03
Page Numbers: 58, 59, 60, 61, 166, 168
Karistroms alter egoAgaton penguin little guy hard work drawing Blorn will eventually take credit man name youve seen scads drawings other modeling mag azines Read EDon Berliner IF YOUVE regular reader Amer ican aviation magazines during past three decades legend Scale drawings Bjorn Karistrom familiar hundreds such publications Karistroms drawings have appeared over last 35 years distinctive style Swedish artist recognizable sight Yet among us would know Bjorn Karistrom walked through door Bill Winter venerable former editor Model Aviation probably first American editor use Karlstroms work back around 1950 has never set eyes him spoken him phone author has collabo rated Bjorn several dozen articles over past 15 20 years wouldnt able identify him walked up fered shake hands international conspir acy keep identity background se cret could hardly have worked ef fectively combination circum- subject man Bjorn means bear Swedish Karlstrom Hes surrounded stances has kept Bjom Karlstroms per- samples articles comics scale drawings models created 45-year career Bjo rn Karistrom sona dark Now assistance portrait artist revealed craft done maintenace work full-size airof Canadian modeler Norwegian air- Swedish article extremely gifted planes illustrated comics books line pilot can finally tell story man longtime penchant technical subject never licensed pilot Peter Maim Guelph Ontario got design has concentrated being has flown diverse types airplanes things started found booklet limited aviation Karlstroms abiding in- Karlstrom born March 1921 article about Karlstrom Swedish terest matters aeronautical dates Boden far north Sweden model contest Mann brought article age 12 1933 built first near Finnish border age eight attention Model Aviation Scale model Cleveland kit Nor- moved family Stockholm translated Jan Christie retired Scan- throp Gamma Since early age Bjorn Swedish capital attended school dinavian Airlines Boeing 747 captain Karlstrom has designed well built After high school enrolled StockFormula race pilot now living Wis- different types models drawn hun- holm Industrial Art School inten consin dreds perhaps thousands different air- tion becoming art teacher trans 58 Model Aviation Bjorns first magazine cover 1939 Flygning Flying magazine shows Waco UIC skis buzzing snow-covered village ferred schools engineering branch curriculum included two-month stint aircraft shop practical experience Karistrom became skilled aircraft carpentry covering two months stretched two years During time applied artistic talent special paint jobs Wacos Cubs Stinsons de Hav illand Moths interest wide variety airplanes flourished Although working full-time full-size airplanes Karlstrom hadnt stopped building models miniature crea tions attracted interest editor Flygning Flying led joining magazine staff professional aviation artist 17 years old cover early 1939 issue Flyg fling Karlstrom drawing Waco AVd72NAY / 4ATL44 U dTN/AG QV - HL4 Ou-rA ry J44 OANL/47 scz Vibrcdopter Mk-1 K Karistroms Vibracopter Mk-1 1h supposedly designed Mr Cognacandwhiskey clas sified quadraphibian able operate land air water underwater UIC biplane skis Later year whimsical penguin named Agaton Roammagazine published first detailed scale ing margins drawings humordrawings Heinkel 5 Swedish Air ous bird Karlstroms sly way expres Force markings Quickly following sing views variety sometimes Tiger Moth Tipsy S2 Kjemm 35 controversial topics example Agaton Bristol Fighter touted ability rubber-powered Scale wasnt long before artist introduced models fly well popular position / Skala zxo Spannvidd Sio mm Lngd total Soo mm Stab spy 340 mm Motor GP diesel eller Dyno mm arly postwar design diesel-powered pusher canard Bjorn named Akka wingspan 2 ft 8 length 2 71/2 Thanks Alit Om Hobby drawings/photos March 1989 59 hero inc cover OT 1-ly magazine 1944 Bjorn showing Flyg 44 FF Power model Swedish Count Folke Bernadotte later United Nations official y ___ 3 Pm 35 & _____ s time Sweden Apparently opinion ated little flight-minded land-bound cm sader carried lot appeal maga zines readers late 1941 Agaton own corner youth section Flygning During same period Karistrom took big career step forward first comic strip Jan Winther futuristic tale along lines Buck Rogers Instead wonder ful old cabin biplanes skimming over scenic lakes Jan Winther featured rocket ships swooshing around mountains alien planets Swedens neutrality World War II didnt sidestep compulsory military service Karlstrom After brief predictably un happy period foot soldier put work draftsman able conThree-view drawing German Olympia sailplane included informative sketch Agaton showing off launching technique somewhat simplistic prototype what would become Vibracopter Mk-1 shown another sketchonce Blorn elimi nated rudder rounded off cornersi tinue civilian career spare time second comic strip Johnny Viking begun About adventures thorough going macho type ran Weekly Re vue 1942 1946 replacing Amer ican Flash Gordon wasnt avail able Sweden during war Johnny Viking perfect dium Karlstroms technical creativity gave him chance imagine future several instances did quite ac curately An item called soundscope anticipated invention television thermoflame precursor days laser Karlsons final assignment Army produce large illustrations used aviation display Stockholms Skan sen amusement park As GI earn ing substantial salary about 35 cents day Upon becoming civilian again Karlstrom went work Air Force draw ing silhouettes caricatures Air60 Model Aviation 1 nfl - \ -I Si 5D 5F- OLYIIPII tnt lain cover Illustration above line drawings below Karistroms 1944 look near future two-seat amphibian UPA-1 highly streamlined fully re tractable wheels envisioned cruising speed 97 mph juat 60 hp UPA-1 wingspan 20 ft length 20ff craft Recognition handbook facility transforming rather poor basic material very accurate drawings put good ef fect discipline Karlstrom eventually turned out thousands silhouettes came recognized master special ized type drawing p selection several different cartoons creative mind pen Biorn Karistrom Rymd-Johan Space-John parody Flash Gordon Johnny Wiking Viking 1940s science-fiction strip Fran Kust till Kust Coast Coast about car trip across America early lOOOs Oscar Fly Karistrom writer work Plngvinen Agaton old friend very creative penguin 1944 continuing foray science next year Dotty Virvelvind be- sodes fiction Karistrom illustrated Dotty Vir came full-page color comic strip realistic series Voyage velvind Whirlwind series novels about magazine Living Life Karlstrom did Human Body produced 1946 col adventures Swedish Wonder Worn- drawings two 21 epi-Continued page 166 March 1989 61 Karistrom/Berliner Continued page 61 laboration writer become leading cancer scientist told story group miniaturized scientists went human body fight tuberculo sis bacteria represented humanoid monsters series continued 30 stailments after canceled cause too readers found difficult accept Moreover some objected Karistroms drawings scantily clad young ladies Tn 1949 went create Space Johan parody Flash Gordon magazine Hobby People final episode hero sidekick stuck jail refreshing departure usual hap pily ever after tidying up same year began yet another space comic strip Leo Falk packed realistic action including prophetic theme space travel Some original drawings series ran until 1952 Technical World pur chased Swedish National Museum display Leo Fallc resurrected 166 Model Aviation 1983 Svenska Dagbladet countrys second largest daily newspaper Diverging aerospace world Karlstrom became creator Coast Coast introduced Motor 1954 documentary style comic strip full antique cars about cross-country drive America during very early part century During 1940s Karistroms drawings appeared Swedish aviation publica tion technical mechanical maga zmes several general circulation publi cations early Fifties decided ex port talents acquired American agent colorful former air show barker Blimp Friedman through Fried man Bill Winter first learned pro lific Swedes work ensuing years scale drawings enriched pages Air Trails Model Airplane News Flying Amer ican Aircraft Modeler RC Modeler Na tional Aeronautics RIG Sportsman New York Herald Tribune beginning Karlstrom exhibited rare talent rendering almost air plane including could pos sibly have seen Using whatever informa tion available some inborn gift sorcery able visualize aircraft produce accurate detailed drawings minimum time Having worked Karistrom since late 1960s author can echo Bill Winters pithy tribute pleasure work abil ity prcx4uce excellent drawings almost no time never worries artwork wont ready schedule cannot matched anyone business proficient building skills wiz ardly understanding aircraft Karlstrom knack predicting future design trends Once 1953 got him trou ble made drawing deltawinged aircraft opinion would possible build within near future said drawing turned up American publication Newsweek under heading Swedens New Fighter Aircraft summoned Ministry Defense questioning highranking officers wanted know whether knew somebody SAAB whether unpatriotic showed Newsweek asked whether made drawing couldnt Continued page 168 THE BLACK BARON IRON Advanced hi-tech thermostat reduces temperature drift 50 Ordinary irons vary up 400 Exclusive roll bars fit fillets & under cambers Flat sole bevelled edges provides constant heat marks Coating 100% Blackstone big improvement over less expensive coatings slides almost no adhesive buildup Truly magnificent tooL CVETE 420 Babylon Rd Horsham PA 19044 magnificently crafted tool reduces temperature drift 5 100% Blackstone coating slides like butter 1ZZ7~ BQNU5IIi Two stands includng oie attahes iron lont aveto Exciusme roll-bars mit fillets & undercambers AMA Logo Ring Approved ACADEMY OF MODEL AERONAUTICS Rings cast solid 10K Gold P4ce SiGOOG el plus $250 Shipping Ordering InstructiOns Send Check Mosey Order Name 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NJ 07508 274845 Made USA Curtiss Jenny * Quality hand-cut kit complete plans rigging scale control setup wire parts pro-bent custom hardware included parts individually identified packaged Complete decals * Engine sizes 26 50 FS 25 TS * Wing unit removes four screws less 3 minutes flying wires left intact * Superb flight characteristics 15900 VISA e MasterCard Money Order Michigan residents add 4% asiec tax Add *550 P81 US orders $1500 foreign Video Catalog 81500 poet rid VHSIBeta Regular Catalog choice Mini-Plan Hand-Cut Quality Affordable Price AERODROME MODELS LTD j1 Saginaw MI 48603 __517 781-3000 Other Kits Available Aero-Pacer Baby -Pacer Gipey Moth Flybaby Flybaby Combo Hawker Hurricane Jester deny pointed out same drawing published Flygning 1950 officers checked found correct quickly ended investiga tion prototype SAAB Dra ken delta jet unveiled long after wards Karlstrom shown proph et has great deal Bjorn Karlstrom aviation illustration creating space comics impressive achievements very active modeler during 1930s 1940s spe cializing large Scale models such Stin sons Fairchilds 1944 produced FLYG 44 first diesel-engined Free Flight craft Scandinavia exhibit really good flying characteristics Long before 1938 built simple rubberpowered Free Right model used mechanism resembling wide-chord pivot ing wing struts roll control Toward end active building career Karlstrom became popular speak er giving lectures numerous model clubs building small Scale airplanes continues create cutout paper models have appeared About Hobby magazine form inserts Such multifaceted involvement avia tion would have exhausted people Bjom Karlstrom found time yet another role industrial designer drafts man During 1950s 1960s created variety successful vehicle designs also illustrated trucks Scania-Vabis locomotives Motala Verkstad 1952 1965 designed mopeds built Crescent firm pop ular 2000 moped likened critic sculpture designed boats pow ered outboard motors including Pi dinghy 1600 sold Swedish magazine Motor published plans two motorboats Ballerina 50-hp Mercury engine could hit 45 knots nifty little SAAB Sonnett TI sports car body designed Karlstrom went far afield design home freezer streamlined lawn mower Karlstrom achieved formal engineering training gifted eye design methodical mind made up lack lifetime creativ ity has brought rewards 6ther finan cial Karlstrom presented Sod erberg Plaque Swedish Aviation tory Association 1981 received treasured Paul Tissandier Diploma Federation Aeronautique Internationale FAJ next time look set scale drawings notice familiar name bracing Scandinavian ring take mo ment think about man behind pen Now know range depth contribution aviation aeronautical design seeing Bjorn Karlstroms name will conjure up images ice-bound fjords snowshoes glittering craggy peaks Without ever setting foot west ern side Atlantic talented knowledgeable man has great impact people American aviation CL Aerobatics/Fancher Continued page 62 physical point engine/pump senses fuel mass neither above nor below position fuel pickup tube inside tank point end uniflow tube case uniflow tank engine/pump will dis cern no difference between upright inverted flight engine rpm will remain same Given premise made some assumptions developed some theories disassem bled measured both Fox 35 ST 46 engines am familiar verify conclusions first assumed bottom crankcase lower fixed end pump top inside piston upper variable end also assumed volume pump consistent throughout isnt course since upper end composed both uni formly round walls cylinder plus pass area bottom end irregularly shaped lower crankcase bore intake passage crankshaft theorized center pump top bottom would approximate ear defined Center Pumping Action Thi theory complicated fact pum TDC has significantly greater volume BDC theoretical solution dilemm assume CPA would located point midway between average heights thi 168 Model Aviation