MAIL I read appreciate mail read ers lately have pleased notice crease letters younger builders did grow up building models now call OldTimers having some trouble learn ing some basic things will give stuff write about few years will start selecting some photos show get things together using jig Instructions often say Build two identical sides Join crosspieces About equally helpful will next step Now cover Anyway big help wood hi selage longerons very carefully selected same density weigh good gram scale main thing try join two built-up sides has set Ion gerons much softer other side cant expect get straight fuselage under such conditions next point set up very simple jig hold sides properly relation another mostly use square balsa blocks balsa trian gles pinned building board over fuse lage top view should block across nose end right angles fuselage center linefor sides push against sides same length aft end will brought together over centerline plan does have centerline youll have draw meet properly want try put cross braces once Put two three pairs cross braces near widest point fuselage first leaving sides front rear area unbent add pairs top bottom cross braces maybe couple stations beyond LrtGERG1 tN PLACE OEAjELS TO POSITIEtI LEtJGERCtIS Jo COPY OF CttJSTRUCTICt4 PL JOINT CLEAR*JCE RELIEFS 3/4 INCH PLYWOOD OR EQUIVALENT OTTO CURTNS RIB BOARD FUSELAGE BUILDING BOARD Otto Curth has building fuselage sides jigs like half century auhor Bill Baker guesses idea proven Wing ribs full-scale aircraft built 1wenties Thirties used similar jigs Thanks go Jim OReilly drawing first ones draw tail front ends install crosspieces finish ones between am very fond Rocket City Pin Clamps can see photos will hold stick place pin going through stick longerons having much bend Jig assembly fuselage sides Draft Dodger Mulvihili model Although sides straight shouldnt take much imagination make taper suit y Old-Ti mer design choice shown photos Ernie Linns 1939 Wake field design like prepare hard balsa soaking water pin shape over plan let longerons dry position before going next step gluing uprights uprights cross braces hould cut medium-to-soft wood order save weight going build oi given design may worthwhile permanent jig wood blocks g base board Backtracking just bit also possil vise jig fuselage sides U pays off intend build moi once Otto Curth still builds copi 1940 Nats winner jig made lage sides way back Jim OReilly vided clear drawing Ottos scheme quest because felt photos tI lacked contrast needed show des details rate Ottos fuse jig made wood shallow holes ai points glue joints will fuselage sides prevents g] framework jig Backtracking still further point ally selecting wood longerons dont have sensitive balance eva] wood just what old-timers e model i make ued le de really tel s fusehas pro t re e device rly what age-side e drilled made sing actu Gate lid anyContinued page 182 Building board Ernie Linn 1939 Kansas Wakefield Champion L 4-ft-long piece -in plywood covered Celotex takes pins nicely Blocks triangles pinned plan retain fuselage sides proper position Close-up R shows pins hold sides flat building surface against jig blocks Check things frequently square Put pair cross braces time wait glue dry before proceding next pair Process requires quite bit concentration may miss some football games big plays unless look up instant replays Never pierce balsa fuselage pieces pinsl weakens lot 74 Model Aviation Free Flight Old-timers Bill Baker 1902 Peter Pan Nonnan OK 73072 MINI-ELECTRIC MINI POWER AT ITS BEST LIGHT WEIGHT K CHARGE T ANT START COST PROPSPRITEMSCHAERIES $1495VLI11$2495EFC 5005 dinengage Free-Includes HY-70 BProps Charge Cord andUrn cost Quick CharBattenes Rt4#es cluoed snaps onto motorConnector Accesspacers etc4 0 type hattenes $1795VL-111RFC-402 ler 71b leads wrth QuickSame VUiideal accuratelyny VL Flight Batty MotucTo subatibnAbove chargVL Field box 10 size modelsFUGHT BATTERIES Vt 102B-62 HY-70 2050 nA-Hr $ 995 $1395Includes HY-42 Motor P-i PW5-63 HY-70 3050 mA-Hr 5 02 fuel engineCharge Plug Cord AeasorB-33L HV-42 3x tOO mA-Hr 1295 B-34L I-f Y-42 4o 100 nrA-Hr 1595 B-13L HY-42 3o 160 mA-Hr 34 grams1295 B-14L HY-42 4x 190 nsA-Hr 45 grams 1595 3-303L HY-42 3o 450 mA-Hr 64 grams129$ aviation items Hannans Runway features prompt efficient service orders shipped within 48 hours new catalog Runway $2 mailed PO Box Escon dido CA 92025 eagerly awaited book Don Ross Rubber Powered Model Airplanes has now pub lished Motorbooks International PO Box 1 Osceola WI 54020 intent book take new mod eler beginner competitor stages gradual understandable steps accompanied illustrations photos amplifing text books 168 pages explore rubber-powered models simplest stick model ad vanced contest ships Sections dealing construction covering props rubber winding flight trim some essential topics included Jim Kamans il lustrations three plans can easily scaled up provide visual inspiration new modeler avenue direct hands-on expe rience get novice builder started immedi ately road modeling success Rubber Powered Model Airplanes can dered mail address above $1295 plus $395 P&H Buy beginner youre trying encourage try Free Right FF Old-Timers/Baker Continued page 74 way look color wood clue its density flex wood hands can easily pick out hard pieces soft ones will result hav ing big pile sticks middle two little piles hope basic things help some obvious cant cover everything space have magazine letters let know what problem areas arc sure help Coming up suggested modifications Lanzo Stick SAM Society Antique Modelersed competition something about motor mounts removable ignition systems malcing folding props . what else need some helpful books available Some recent some out printbut may able find latter search dili gently new ones looks very good Rubber Powered Model Airplanes Don Ross (Editors note Larry Kruse also mentions oneand has photo coverin months FF Duration column RMcM just about Old-Timer models about Rub ber power general very up date terms modem practice such use torque meters winding tubes winding hooks such basic stuff rubber lube tying knots pert want fly Rubber need book expert should buy book give friends trying learn fine book much better 1982 book similar title written Robert Smith fortunately out print Smiths book disappointment can order copy Don Ross book di rectiy publisher $1695 cludes postage Send Motorbooks Interna tional PO Box 1 Osceola WI 54020 lot Model Aircraft Handbook SAVE YOUR FIELD SNUF-LER muffler low cost easy install lightweight sound reducing muffler no performance penalty answer AMA muffler rule suggestions saving flying fields Meets AMA muffler rule suggestions 3 10 decibels quieter stock muffler No power loss possible 300-600 RPM Increase Improves engine idle s better fuel economy Easily attached 25-1 08 stock mufflers Heat corrosion resistant Black E coat finish No special adspters required weighs 35 ozs Fits ASP BRAT ENVA FOX HP IRVINE K & B OS MAX ROYAL YS SUPER TIGRE mufflers available hobby shup ORDER DIRECT far immediate shipment Check MO. Visa MC. CODSEND 256 STAMP acceptedAdd$250fsrUPS$2OOforCODandf%ualeataa -FOR ADDtTIONAL INFO L Calif residentAND JTEC CATALOG William Winter spent much youth mem orizing 1942 edition now have b 1946 edi tion worth time spent shopping old book stores copy same author has new book print called World Model Airplanes published Scribners modern book overview current modeling activities well done chapter Free Flight techniques excel lent preceded chapters materials tools construction covering etc apply sorts models fine book beginner age try get copy Forties book really Old-Timers current book similar title World Model Aircraft Guy Williams published Chartwell Books Inc fine book too think Winters better two think should get interested Old-Timer gas-powered models copy Air Age Gas Models collection best Gas model articles Model Airplane News up until time first printing 1938 course long out printbut Hannans Run way has some copies much else interest Old-Timer enthusiast Send Runway two bucks its catalog Hannans Runway PO Box Escondido CA 92025 Some other out-of-print books worth looking Footes Model Engines Aerody namics Model Airplanes real trea sures copy Model Motor Manual Louis Garami Howard McEntee So check lo cal used-book shop look old books li brary throwing out look books well engines go garage sales flea 182 Model Aviation Efeady-no-nIyI 8396 ea plus 1 uu per oroer Florlo Flyer Corp 1 837 Jolsnaonburg Rd St Marys PA 15857 markets hate beg library very important ability write column have al complete collection Model Airplane News years interest us need August 1944 November December 1946 1936 earlier need Air Trails December issues 1940 41 42 plus other issues 1940 earlier wouldnt use space own wants need reference material benefit write Xerox copies good originals purposes Ill pay reasonable prices plug good stuff read Send SASE Ms NA Suhr W 218 N 5866 Mac Lynn Ct Menomonee Falls WI 53051 infor mation ordering books about old model en gines late Art Suhr copies ads reviews articles sorts model magazines Old-Timer era including Model Airplane News Air Trails Flying Aces others have have huge library old magazines before have 1989 SAM Champs has rescheduled new location new dates new dates October 9-13 1989 Monday through Friday place Jean Nevada located 25 miles south Las Vegas US Highway 15 Problems beyond control organizers prevented obtaining use flying site Reno Carson City NV new Contest Manager will Larry Jeno Phil MeCary will assistant Don kins will RC Director Jim Persson will FF Director organizers state 10-year study weather records area indicates very best time hold contest Temperature 75 O.85 0 range little wind promised Test flying field will possible Sun day Monday October 8-9 Bean Feed will Monday evening further information contact Larry Jenno 4341 Flanders Las Vegas NV 89121 phone number 702 731-4029 FF Indoor/Tenny Continued page 75 time frame events flown club would use its own site What about different ceiling heights Some times didnt matter someone NIMAS National Indoor Model Airplane Society probably Charlie Sotich came up set fudge factors helped take account different ceiling heights basic premise fudge factors average duration HandLaunched Gliders HLGs varies ratio ceiling heights Indoor Endurance model times vary square root ceiling-height ratio Hows again Suppose club 25ft site AMA measure other 32ft site guys flying 25-ft site would multiply HLG times 32/25 128 Rubber times multiplier square root 128 113 catch ceiling height adjustment HLG factors work best no greater variation ceiling height 141 Fudge factors also havent tried ceiling heights much beyond 35 ft have good results fudge factors used NI MAS Three tables below show NIMAS fudge fac SPACE SHUTITLE CAP 5995 R/C FASHIONS R/C CAPS JUC PiloO Wing O Fool Screobleo Effs Os Bill Gold Enshoid,ed COLORS RdNov0 GoldWhi, CoT Blue SHIRTS & HATS ISHIRTS SHORT SI5EYE Coeon &Polyesser BInd COLORS STYLE ws,Bloc #1055 EooIce Geeo Silo, IOP GW SWEATSHIRTS $1695 Collon & PolyeOee BInd COLORE WIsiso h Oeco LI Bloc Yellow Silo, #1044 STYLE CALL OUR 24 HOUR PHONE 303 770-6306 TO PLACE ORDERS REQUEST BROCHURE $200 Shipping & Handling ChargeCODs Add $3 00 Continental USCO Residents Add 37% Sales Tax 3 IThMS SHIPPED POSTAGE PRE-PAIDAll Monies US dollars SEND SASE FOR FREE COLOR BROCHURE HOBBY SHIRTS & HATS PO BOX 2497 LITTLETON CO 80161 VISA March 1989 183 S * LETS GO FLYING $895 Modelers Choice GMP EPOXIES High Quality Model Construction Jr Kwilc SetS Minute5 oz $ 695 Kwik SetS Minute10 oz $1095 Giant Kwik SetS MinutelSoz $1495 Half FastlOMinutelOoz$ 995 GMP AIRCRAFT INSTRUMENTS 80 3/161/43/6112 $ 179 40 314 inch * 179 EASY OFF PULLER propee tool removing drive washeracand flywheels $ 795 Gas Model Products 8773 Russet Dr Cincinnati OH 45239 dealer call 513-385-7398 order direct add $1 50 postage Scale RF800 Dual Stnit Nose Gear Fulls Tooling PO Box 95 Champaign IL 61820 o00350 -SF400 -00500 -RESOS 00505
Edition: Model Aviation - 1989/03
Page Numbers: 74, 182, 183
MAIL I read appreciate mail read ers lately have pleased notice crease letters younger builders did grow up building models now call OldTimers having some trouble learn ing some basic things will give stuff write about few years will start selecting some photos show get things together using jig Instructions often say Build two identical sides Join crosspieces About equally helpful will next step Now cover Anyway big help wood hi selage longerons very carefully selected same density weigh good gram scale main thing try join two built-up sides has set Ion gerons much softer other side cant expect get straight fuselage under such conditions next point set up very simple jig hold sides properly relation another mostly use square balsa blocks balsa trian gles pinned building board over fuse lage top view should block across nose end right angles fuselage center linefor sides push against sides same length aft end will brought together over centerline plan does have centerline youll have draw meet properly want try put cross braces once Put two three pairs cross braces near widest point fuselage first leaving sides front rear area unbent add pairs top bottom cross braces maybe couple stations beyond LrtGERG1 tN PLACE OEAjELS TO POSITIEtI LEtJGERCtIS Jo COPY OF CttJSTRUCTICt4 PL JOINT CLEAR*JCE RELIEFS 3/4 INCH PLYWOOD OR EQUIVALENT OTTO CURTNS RIB BOARD FUSELAGE BUILDING BOARD Otto Curth has building fuselage sides jigs like half century auhor Bill Baker guesses idea proven Wing ribs full-scale aircraft built 1wenties Thirties used similar jigs Thanks go Jim OReilly drawing first ones draw tail front ends install crosspieces finish ones between am very fond Rocket City Pin Clamps can see photos will hold stick place pin going through stick longerons having much bend Jig assembly fuselage sides Draft Dodger Mulvihili model Although sides straight shouldnt take much imagination make taper suit y Old-Ti mer design choice shown photos Ernie Linns 1939 Wake field design like prepare hard balsa soaking water pin shape over plan let longerons dry position before going next step gluing uprights uprights cross braces hould cut medium-to-soft wood order save weight going build oi given design may worthwhile permanent jig wood blocks g base board Backtracking just bit also possil vise jig fuselage sides U pays off intend build moi once Otto Curth still builds copi 1940 Nats winner jig made lage sides way back Jim OReilly vided clear drawing Ottos scheme quest because felt photos tI lacked contrast needed show des details rate Ottos fuse jig made wood shallow holes ai points glue joints will fuselage sides prevents g] framework jig Backtracking still further point ally selecting wood longerons dont have sensitive balance eva] wood just what old-timers e model i make ued le de really tel s fusehas pro t re e device rly what age-side e drilled made sing actu Gate lid anyContinued page 182 Building board Ernie Linn 1939 Kansas Wakefield Champion L 4-ft-long piece -in plywood covered Celotex takes pins nicely Blocks triangles pinned plan retain fuselage sides proper position Close-up R shows pins hold sides flat building surface against jig blocks Check things frequently square Put pair cross braces time wait glue dry before proceding next pair Process requires quite bit concentration may miss some football games big plays unless look up instant replays Never pierce balsa fuselage pieces pinsl weakens lot 74 Model Aviation Free Flight Old-timers Bill Baker 1902 Peter Pan Nonnan OK 73072 MINI-ELECTRIC MINI POWER AT ITS BEST LIGHT WEIGHT K CHARGE T ANT START COST PROPSPRITEMSCHAERIES $1495VLI11$2495EFC 5005 dinengage Free-Includes HY-70 BProps Charge Cord andUrn cost Quick CharBattenes Rt4#es cluoed snaps onto motorConnector Accesspacers etc4 0 type hattenes $1795VL-111RFC-402 ler 71b leads wrth QuickSame VUiideal accuratelyny VL Flight Batty MotucTo subatibnAbove chargVL Field box 10 size modelsFUGHT BATTERIES Vt 102B-62 HY-70 2050 nA-Hr $ 995 $1395Includes HY-42 Motor P-i PW5-63 HY-70 3050 mA-Hr 5 02 fuel engineCharge Plug Cord AeasorB-33L HV-42 3x tOO mA-Hr 1295 B-34L I-f Y-42 4o 100 nrA-Hr 1595 B-13L HY-42 3o 160 mA-Hr 34 grams1295 B-14L HY-42 4x 190 nsA-Hr 45 grams 1595 3-303L HY-42 3o 450 mA-Hr 64 grams129$ aviation items Hannans Runway features prompt efficient service orders shipped within 48 hours new catalog Runway $2 mailed PO Box Escon dido CA 92025 eagerly awaited book Don Ross Rubber Powered Model Airplanes has now pub lished Motorbooks International PO Box 1 Osceola WI 54020 intent book take new mod eler beginner competitor stages gradual understandable steps accompanied illustrations photos amplifing text books 168 pages explore rubber-powered models simplest stick model ad vanced contest ships Sections dealing construction covering props rubber winding flight trim some essential topics included Jim Kamans il lustrations three plans can easily scaled up provide visual inspiration new modeler avenue direct hands-on expe rience get novice builder started immedi ately road modeling success Rubber Powered Model Airplanes can dered mail address above $1295 plus $395 P&H Buy beginner youre trying encourage try Free Right FF Old-Timers/Baker Continued page 74 way look color wood clue its density flex wood hands can easily pick out hard pieces soft ones will result hav ing big pile sticks middle two little piles hope basic things help some obvious cant cover everything space have magazine letters let know what problem areas arc sure help Coming up suggested modifications Lanzo Stick SAM Society Antique Modelersed competition something about motor mounts removable ignition systems malcing folding props . what else need some helpful books available Some recent some out printbut may able find latter search dili gently new ones looks very good Rubber Powered Model Airplanes Don Ross (Editors note Larry Kruse also mentions oneand has photo coverin months FF Duration column RMcM just about Old-Timer models about Rub ber power general very up date terms modem practice such use torque meters winding tubes winding hooks such basic stuff rubber lube tying knots pert want fly Rubber need book expert should buy book give friends trying learn fine book much better 1982 book similar title written Robert Smith fortunately out print Smiths book disappointment can order copy Don Ross book di rectiy publisher $1695 cludes postage Send Motorbooks Interna tional PO Box 1 Osceola WI 54020 lot Model Aircraft Handbook SAVE YOUR FIELD SNUF-LER muffler low cost easy install lightweight sound reducing muffler no performance penalty answer AMA muffler rule suggestions saving flying fields Meets AMA muffler rule suggestions 3 10 decibels quieter stock muffler No power loss possible 300-600 RPM Increase Improves engine idle s better fuel economy Easily attached 25-1 08 stock mufflers Heat corrosion resistant Black E coat finish No special adspters required weighs 35 ozs Fits ASP BRAT ENVA FOX HP IRVINE K & B OS MAX ROYAL YS SUPER TIGRE mufflers available hobby shup ORDER DIRECT far immediate shipment Check MO. Visa MC. CODSEND 256 STAMP acceptedAdd$250fsrUPS$2OOforCODandf%ualeataa -FOR ADDtTIONAL INFO L Calif residentAND JTEC CATALOG William Winter spent much youth mem orizing 1942 edition now have b 1946 edi tion worth time spent shopping old book stores copy same author has new book print called World Model Airplanes published Scribners modern book overview current modeling activities well done chapter Free Flight techniques excel lent preceded chapters materials tools construction covering etc apply sorts models fine book beginner age try get copy Forties book really Old-Timers current book similar title World Model Aircraft Guy Williams published Chartwell Books Inc fine book too think Winters better two think should get interested Old-Timer gas-powered models copy Air Age Gas Models collection best Gas model articles Model Airplane News up until time first printing 1938 course long out printbut Hannans Run way has some copies much else interest Old-Timer enthusiast Send Runway two bucks its catalog Hannans Runway PO Box Escondido CA 92025 Some other out-of-print books worth looking Footes Model Engines Aerody namics Model Airplanes real trea sures copy Model Motor Manual Louis Garami Howard McEntee So check lo cal used-book shop look old books li brary throwing out look books well engines go garage sales flea 182 Model Aviation Efeady-no-nIyI 8396 ea plus 1 uu per oroer Florlo Flyer Corp 1 837 Jolsnaonburg Rd St Marys PA 15857 markets hate beg library very important ability write column have al complete collection Model Airplane News years interest us need August 1944 November December 1946 1936 earlier need Air Trails December issues 1940 41 42 plus other issues 1940 earlier wouldnt use space own wants need reference material benefit write Xerox copies good originals purposes Ill pay reasonable prices plug good stuff read Send SASE Ms NA Suhr W 218 N 5866 Mac Lynn Ct Menomonee Falls WI 53051 infor mation ordering books about old model en gines late Art Suhr copies ads reviews articles sorts model magazines Old-Timer era including Model Airplane News Air Trails Flying Aces others have have huge library old magazines before have 1989 SAM Champs has rescheduled new location new dates new dates October 9-13 1989 Monday through Friday place Jean Nevada located 25 miles south Las Vegas US Highway 15 Problems beyond control organizers prevented obtaining use flying site Reno Carson City NV new Contest Manager will Larry Jeno Phil MeCary will assistant Don kins will RC Director Jim Persson will FF Director organizers state 10-year study weather records area indicates very best time hold contest Temperature 75 O.85 0 range little wind promised Test flying field will possible Sun day Monday October 8-9 Bean Feed will Monday evening further information contact Larry Jenno 4341 Flanders Las Vegas NV 89121 phone number 702 731-4029 FF Indoor/Tenny Continued page 75 time frame events flown club would use its own site What about different ceiling heights Some times didnt matter someone NIMAS National Indoor Model Airplane Society probably Charlie Sotich came up set fudge factors helped take account different ceiling heights basic premise fudge factors average duration HandLaunched Gliders HLGs varies ratio ceiling heights Indoor Endurance model times vary square root ceiling-height ratio Hows again Suppose club 25ft site AMA measure other 32ft site guys flying 25-ft site would multiply HLG times 32/25 128 Rubber times multiplier square root 128 113 catch ceiling height adjustment HLG factors work best no greater variation ceiling height 141 Fudge factors also havent tried ceiling heights much beyond 35 ft have good results fudge factors used NI MAS Three tables below show NIMAS fudge fac SPACE SHUTITLE CAP 5995 R/C FASHIONS R/C CAPS JUC PiloO Wing O Fool Screobleo Effs Os Bill Gold Enshoid,ed COLORS RdNov0 GoldWhi, CoT Blue SHIRTS & HATS ISHIRTS SHORT SI5EYE Coeon &Polyesser BInd COLORS STYLE ws,Bloc #1055 EooIce Geeo Silo, IOP GW SWEATSHIRTS $1695 Collon & PolyeOee BInd COLORE WIsiso h Oeco LI Bloc Yellow Silo, #1044 STYLE CALL OUR 24 HOUR PHONE 303 770-6306 TO PLACE ORDERS REQUEST BROCHURE $200 Shipping & Handling ChargeCODs Add $3 00 Continental USCO Residents Add 37% Sales Tax 3 IThMS SHIPPED POSTAGE PRE-PAIDAll Monies US dollars SEND SASE FOR FREE COLOR BROCHURE HOBBY SHIRTS & HATS PO BOX 2497 LITTLETON CO 80161 VISA March 1989 183 S * LETS GO FLYING $895 Modelers Choice GMP EPOXIES High Quality Model Construction Jr Kwilc SetS Minute5 oz $ 695 Kwik SetS Minute10 oz $1095 Giant Kwik SetS MinutelSoz $1495 Half FastlOMinutelOoz$ 995 GMP AIRCRAFT INSTRUMENTS 80 3/161/43/6112 $ 179 40 314 inch * 179 EASY OFF PULLER propee tool removing drive washeracand flywheels $ 795 Gas Model Products 8773 Russet Dr Cincinnati OH 45239 dealer call 513-385-7398 order direct add $1 50 postage Scale RF800 Dual Stnit Nose Gear Fulls Tooling PO Box 95 Champaign IL 61820 o00350 -SF400 -00500 -RESOS 00505
Edition: Model Aviation - 1989/03
Page Numbers: 74, 182, 183
MAIL I read appreciate mail read ers lately have pleased notice crease letters younger builders did grow up building models now call OldTimers having some trouble learn ing some basic things will give stuff write about few years will start selecting some photos show get things together using jig Instructions often say Build two identical sides Join crosspieces About equally helpful will next step Now cover Anyway big help wood hi selage longerons very carefully selected same density weigh good gram scale main thing try join two built-up sides has set Ion gerons much softer other side cant expect get straight fuselage under such conditions next point set up very simple jig hold sides properly relation another mostly use square balsa blocks balsa trian gles pinned building board over fuse lage top view should block across nose end right angles fuselage center linefor sides push against sides same length aft end will brought together over centerline plan does have centerline youll have draw meet properly want try put cross braces once Put two three pairs cross braces near widest point fuselage first leaving sides front rear area unbent add pairs top bottom cross braces maybe couple stations beyond LrtGERG1 tN PLACE OEAjELS TO POSITIEtI LEtJGERCtIS Jo COPY OF CttJSTRUCTICt4 PL JOINT CLEAR*JCE RELIEFS 3/4 INCH PLYWOOD OR EQUIVALENT OTTO CURTNS RIB BOARD FUSELAGE BUILDING BOARD Otto Curth has building fuselage sides jigs like half century auhor Bill Baker guesses idea proven Wing ribs full-scale aircraft built 1wenties Thirties used similar jigs Thanks go Jim OReilly drawing first ones draw tail front ends install crosspieces finish ones between am very fond Rocket City Pin Clamps can see photos will hold stick place pin going through stick longerons having much bend Jig assembly fuselage sides Draft Dodger Mulvihili model Although sides straight shouldnt take much imagination make taper suit y Old-Ti mer design choice shown photos Ernie Linns 1939 Wake field design like prepare hard balsa soaking water pin shape over plan let longerons dry position before going next step gluing uprights uprights cross braces hould cut medium-to-soft wood order save weight going build oi given design may worthwhile permanent jig wood blocks g base board Backtracking just bit also possil vise jig fuselage sides U pays off intend build moi once Otto Curth still builds copi 1940 Nats winner jig made lage sides way back Jim OReilly vided clear drawing Ottos scheme quest because felt photos tI lacked contrast needed show des details rate Ottos fuse jig made wood shallow holes ai points glue joints will fuselage sides prevents g] framework jig Backtracking still further point ally selecting wood longerons dont have sensitive balance eva] wood just what old-timers e model i make ued le de really tel s fusehas pro t re e device rly what age-side e drilled made sing actu Gate lid anyContinued page 182 Building board Ernie Linn 1939 Kansas Wakefield Champion L 4-ft-long piece -in plywood covered Celotex takes pins nicely Blocks triangles pinned plan retain fuselage sides proper position Close-up R shows pins hold sides flat building surface against jig blocks Check things frequently square Put pair cross braces time wait glue dry before proceding next pair Process requires quite bit concentration may miss some football games big plays unless look up instant replays Never pierce balsa fuselage pieces pinsl weakens lot 74 Model Aviation Free Flight Old-timers Bill Baker 1902 Peter Pan Nonnan OK 73072 MINI-ELECTRIC MINI POWER AT ITS BEST LIGHT WEIGHT K CHARGE T ANT START COST PROPSPRITEMSCHAERIES $1495VLI11$2495EFC 5005 dinengage Free-Includes HY-70 BProps Charge Cord andUrn cost Quick CharBattenes Rt4#es cluoed snaps onto motorConnector Accesspacers etc4 0 type hattenes $1795VL-111RFC-402 ler 71b leads wrth QuickSame VUiideal accuratelyny VL Flight Batty MotucTo subatibnAbove chargVL Field box 10 size modelsFUGHT BATTERIES Vt 102B-62 HY-70 2050 nA-Hr $ 995 $1395Includes HY-42 Motor P-i PW5-63 HY-70 3050 mA-Hr 5 02 fuel engineCharge Plug Cord AeasorB-33L HV-42 3x tOO mA-Hr 1295 B-34L I-f Y-42 4o 100 nrA-Hr 1595 B-13L HY-42 3o 160 mA-Hr 34 grams1295 B-14L HY-42 4x 190 nsA-Hr 45 grams 1595 3-303L HY-42 3o 450 mA-Hr 64 grams129$ aviation items Hannans Runway features prompt efficient service orders shipped within 48 hours new catalog Runway $2 mailed PO Box Escon dido CA 92025 eagerly awaited book Don Ross Rubber Powered Model Airplanes has now pub lished Motorbooks International PO Box 1 Osceola WI 54020 intent book take new mod eler beginner competitor stages gradual understandable steps accompanied illustrations photos amplifing text books 168 pages explore rubber-powered models simplest stick model ad vanced contest ships Sections dealing construction covering props rubber winding flight trim some essential topics included Jim Kamans il lustrations three plans can easily scaled up provide visual inspiration new modeler avenue direct hands-on expe rience get novice builder started immedi ately road modeling success Rubber Powered Model Airplanes can dered mail address above $1295 plus $395 P&H Buy beginner youre trying encourage try Free Right FF Old-Timers/Baker Continued page 74 way look color wood clue its density flex wood hands can easily pick out hard pieces soft ones will result hav ing big pile sticks middle two little piles hope basic things help some obvious cant cover everything space have magazine letters let know what problem areas arc sure help Coming up suggested modifications Lanzo Stick SAM Society Antique Modelersed competition something about motor mounts removable ignition systems malcing folding props . what else need some helpful books available Some recent some out printbut may able find latter search dili gently new ones looks very good Rubber Powered Model Airplanes Don Ross (Editors note Larry Kruse also mentions oneand has photo coverin months FF Duration column RMcM just about Old-Timer models about Rub ber power general very up date terms modem practice such use torque meters winding tubes winding hooks such basic stuff rubber lube tying knots pert want fly Rubber need book expert should buy book give friends trying learn fine book much better 1982 book similar title written Robert Smith fortunately out print Smiths book disappointment can order copy Don Ross book di rectiy publisher $1695 cludes postage Send Motorbooks Interna tional PO Box 1 Osceola WI 54020 lot Model Aircraft Handbook SAVE YOUR FIELD SNUF-LER muffler low cost easy install lightweight sound reducing muffler no performance penalty answer AMA muffler rule suggestions saving flying fields Meets AMA muffler rule suggestions 3 10 decibels quieter stock muffler No power loss possible 300-600 RPM Increase Improves engine idle s better fuel economy Easily attached 25-1 08 stock mufflers Heat corrosion resistant Black E coat finish No special adspters required weighs 35 ozs Fits ASP BRAT ENVA FOX HP IRVINE K & B OS MAX ROYAL YS SUPER TIGRE mufflers available hobby shup ORDER DIRECT far immediate shipment Check MO. Visa MC. CODSEND 256 STAMP acceptedAdd$250fsrUPS$2OOforCODandf%ualeataa -FOR ADDtTIONAL INFO L Calif residentAND JTEC CATALOG William Winter spent much youth mem orizing 1942 edition now have b 1946 edi tion worth time spent shopping old book stores copy same author has new book print called World Model Airplanes published Scribners modern book overview current modeling activities well done chapter Free Flight techniques excel lent preceded chapters materials tools construction covering etc apply sorts models fine book beginner age try get copy Forties book really Old-Timers current book similar title World Model Aircraft Guy Williams published Chartwell Books Inc fine book too think Winters better two think should get interested Old-Timer gas-powered models copy Air Age Gas Models collection best Gas model articles Model Airplane News up until time first printing 1938 course long out printbut Hannans Run way has some copies much else interest Old-Timer enthusiast Send Runway two bucks its catalog Hannans Runway PO Box Escondido CA 92025 Some other out-of-print books worth looking Footes Model Engines Aerody namics Model Airplanes real trea sures copy Model Motor Manual Louis Garami Howard McEntee So check lo cal used-book shop look old books li brary throwing out look books well engines go garage sales flea 182 Model Aviation Efeady-no-nIyI 8396 ea plus 1 uu per oroer Florlo Flyer Corp 1 837 Jolsnaonburg Rd St Marys PA 15857 markets hate beg library very important ability write column have al complete collection Model Airplane News years interest us need August 1944 November December 1946 1936 earlier need Air Trails December issues 1940 41 42 plus other issues 1940 earlier wouldnt use space own wants need reference material benefit write Xerox copies good originals purposes Ill pay reasonable prices plug good stuff read Send SASE Ms NA Suhr W 218 N 5866 Mac Lynn Ct Menomonee Falls WI 53051 infor mation ordering books about old model en gines late Art Suhr copies ads reviews articles sorts model magazines Old-Timer era including Model Airplane News Air Trails Flying Aces others have have huge library old magazines before have 1989 SAM Champs has rescheduled new location new dates new dates October 9-13 1989 Monday through Friday place Jean Nevada located 25 miles south Las Vegas US Highway 15 Problems beyond control organizers prevented obtaining use flying site Reno Carson City NV new Contest Manager will Larry Jeno Phil MeCary will assistant Don kins will RC Director Jim Persson will FF Director organizers state 10-year study weather records area indicates very best time hold contest Temperature 75 O.85 0 range little wind promised Test flying field will possible Sun day Monday October 8-9 Bean Feed will Monday evening further information contact Larry Jenno 4341 Flanders Las Vegas NV 89121 phone number 702 731-4029 FF Indoor/Tenny Continued page 75 time frame events flown club would use its own site What about different ceiling heights Some times didnt matter someone NIMAS National Indoor Model Airplane Society probably Charlie Sotich came up set fudge factors helped take account different ceiling heights basic premise fudge factors average duration HandLaunched Gliders HLGs varies ratio ceiling heights Indoor Endurance model times vary square root ceiling-height ratio Hows again Suppose club 25ft site AMA measure other 32ft site guys flying 25-ft site would multiply HLG times 32/25 128 Rubber times multiplier square root 128 113 catch ceiling height adjustment HLG factors work best no greater variation ceiling height 141 Fudge factors also havent tried ceiling heights much beyond 35 ft have good results fudge factors used NI MAS Three tables below show NIMAS fudge fac SPACE SHUTITLE CAP 5995 R/C FASHIONS R/C CAPS JUC PiloO Wing O Fool Screobleo Effs Os Bill Gold Enshoid,ed COLORS RdNov0 GoldWhi, CoT Blue SHIRTS & HATS ISHIRTS SHORT SI5EYE Coeon &Polyesser BInd COLORS STYLE ws,Bloc #1055 EooIce Geeo Silo, IOP GW SWEATSHIRTS $1695 Collon & PolyeOee BInd COLORE WIsiso h Oeco LI Bloc Yellow Silo, #1044 STYLE CALL OUR 24 HOUR PHONE 303 770-6306 TO PLACE ORDERS REQUEST BROCHURE $200 Shipping & Handling ChargeCODs Add $3 00 Continental USCO Residents Add 37% Sales Tax 3 IThMS SHIPPED POSTAGE PRE-PAIDAll Monies US dollars SEND SASE FOR FREE COLOR BROCHURE HOBBY SHIRTS & HATS PO BOX 2497 LITTLETON CO 80161 VISA March 1989 183 S * LETS GO FLYING $895 Modelers Choice GMP EPOXIES High Quality Model Construction Jr Kwilc SetS Minute5 oz $ 695 Kwik SetS Minute10 oz $1095 Giant Kwik SetS MinutelSoz $1495 Half FastlOMinutelOoz$ 995 GMP AIRCRAFT INSTRUMENTS 80 3/161/43/6112 $ 179 40 314 inch * 179 EASY OFF PULLER propee tool removing drive washeracand flywheels $ 795 Gas Model Products 8773 Russet Dr Cincinnati OH 45239 dealer call 513-385-7398 order direct add $1 50 postage Scale RF800 Dual Stnit Nose Gear Fulls Tooling PO Box 95 Champaign IL 61820 o00350 -SF400 -00500 -RESOS 00505