FREE FLIGHT WHEN BEGAN writing column about six years ago wondered called contributing editors instead columnists writers Well aptness term editor becomes apparent time spend energy deciding what include what leave out writing wish could timely write monthlyI am writing Januaryso able keep up sort dialog. will try bloom planted March 1993 column drew rough graph show relationship turns torque rubber motor points made graph about 80% motors potential power comes last 20% turns wind about 80% capacity decrease power rather gradual trim wont change much makes possible fly models limited performance such scale models sport designs have small James Rice New Port Richey Florida scaled Doc Mathewss Clipper Jr July 1986 MA 29-inch span powered geared toy car motor two Ni-Cd cells Flying weight 225 ounces Mr Rice also built 28-inch-span Bl4riot scaled WA Wylam drawings 375ounce model uses same power plant Clipper Extra weight drag model may necessitate added cells Rices Bidriot yet flown photos taken Wing airfoil doubled thickness Ribs pre-bent strips over fulldepth spars Model also features functional rigging shockabsorbing landing geara real work art Photos James Rice OLD-TIMERS ifting stabilizers centers gravity CGs 25-33% chord outdoor duration models both Old-Timer current AMA-FAI events have get energy possible climb order competitive So wind tight dare get full use burst will produce very rapid climb few seconds short very strong release energy can tamed somewhat use air brake effect large high-pitch props trim problem really rapid change power much very high power itself lifting stabilizer CG about 60%-70% does help lot trim schemes will work fundamental use enough left rudder andlor stabilizer tilt give desired left glide circle combined down right thrust needs enough right thrust keep model turning right its okay goes straight during initial burst enough downthrust keep looping What desired right spiral climb will transition smoothly left glide right turn gets too tightthreat ening spiral model inthe left rudder tab should become effective because increased airspeed will tend open up right turn what makes setup safe some disadvantagesand some interesting alternativesbut will save later questioned OFB Jim OReilly duration rubber power runs says modem Wakefields tend run 35 45 seconds Coupes about 25 30 seconds P-30s about 40 seconds Unlimited Mulvihill models have seen run about 50 70 seconds spread has choice cross section versus length size propeller discussed last column Old-Timers above may helpful extent motor sizes correspond current events example flew Lanzo Stick Cabin Korda Dethermalizer about 300 square inches same motors used Mulvihillabout 90 grams 34 inches long Since Mulvihill ran about minute OT ships ran bit lessabout 45 secondssince propeller used OT smaller diameter legal point run very short may want increase load motormore propor may want change longer motor smaller cross section try get run two minutes example going have fly indoors very calm mornings long slow climb seldom works outdoors am talking about competition duration models scale models have seen fly Flying Aces Club FAC meets exceptions get very long motor runs long flights low model weight low cross section motors great lengthtwo three times length modelcan used models wound strong burst level have very long cruising flight seldom get very high unless lift encountered dont worry about glidethey generally land propeller still turning like indoor model Because questions get about laying out propeller blanks will try give necessary data next column am going write detailed how-to-carve article has done well times have reprint article Dick Korda wrote half-century ago can hardly improved upon will make copy usual business-size SASE plus loose stamp pay copy expenses same deal offered old buddy George Schroedter Champion Model Products CMP kits modern Wakefields Coupes have very fine carving instructions will send copy SASE extra stamp better deal send him two bucks catalog ask 110 Model Aviation ructions addition highly recommend kits also supplies tissue silk quality scales weighing things wood etc Champion Model Products located 880 Carmen Court La Verne CA 91750 Tel 714 599-3348 Looking through Oldtimer Model Supply catalog about hundredth time see first time prop kit consisting 12-inch drilled sawed prop blank written instructions $395what deal dont have OMS catalog havent reading column long catalog $2 orders have $3 charge shipping handling want prop kit described will cost $695 best thing might get catalog first order lots stuff will sent same three bucks Send Oldtimer Model Supply PO Box 7334 Van Nuys CA 91409 keep doing though folks still write asking can get various things answer always same Get cottage industry catalogs plug Campbells Custom Kits recently sent new kit release Aerbo 020 Replica Pee-Wee 30 scale-down Old-Timer gas model think original Ajob Arden Bantam 19s fine kit nicely precut ribs other precut parts good wood good tissue can highly recommend appears have requirements competitive design fuselage sort diamond-shaped may easy build first model rectangular cross section clear plans should pose no problem experienced builders welcome addition avail able selection 020 Replica competition models maintains high quality standards recent Campbell releases have featured available usual suppliers such FAI Model Supply direct $2198 plus $4 shipping handling Campbell Custom Kits 401 Executive Center Dr Suite H-108 West Palm Beach FL 33401 Tel 407 686-7824 Terry Rimert has put together collection Nostalgia-era post-WW II through 1956 plans various magazines published book form available Campbells $10 plus $2 shipping handling calls Third Nostalgia makes sense first two collec tions Nostalgia Nostalgia Too outfit handles Campbell line Free Right Unlimited operated R Linwood Cochran 6769 Angels Lane Tucker GA 30084-1304 Tel 404 493-1302 see has 020 Replica Aerbo also has 19 size SAM Class Pylon competition didnt know Campbells made Cochrans catalog has lot CO2 minielectric things well Jetex fuel motors tiny rocket motors made England extensive Canadian Easy Built line includes Old-Timer rubber duration ships scale models light stick-and-tissue construction Now Linwood says will send catalog free hey thing runs 12 sheets takes 56 cents postage say send man buck didnt realize extensive Campbell line become until read catalog says Lanzo Stick coming soon OldTimer Nostalgia gas rubber designsand modem ones too need catalog way lists CO2 motors parts well Finally ask again input form photos other data appreciate questions problems give ideas write about ndoorlTenny Continued page 109 Chinese indoor flying Ed Whitten has corresponding indoor flier Beijing China correspondence find Chinese indoor fliers beginners Shanghai has yearly citywide contest same letter indicated Chinese hope able send team 1994 World Championship Find site major concern indoor modeling fly Most currently active sites located two ways either diligent continuous search completely accident example Cliff Culpepper 1401 Ferucliff Rd Charlotte NC 28211 Tel 704 366-7350 has active site used once week year-round church gymnasium Cliff passed church rainy afternoon noticed gym An quiry led discussions pastor finally own set keys site 45 feet x 65 feet 26-foot domed ceiling recessed fixtures small very good active group Cliff welcomes additions group includes two fliers travel 100 miles fly morals story cant let up shouldnt pass up reasonable opportunity John Martin sparkplug MIAMA group Miami Florida has located several unorthodox sites unusual building initially intended fertilizer warehouse additional factor common successful group activities Always leave sites cleaner find Indoor models dont create noxious messes broken motors other trivial indoor trash still need cleaned up someone Better group site owners Flying opportunities Make sure call contact person before meet Sometimes things go scheduled CaliforniaMain County Tom Brennan 21326 Via Colombard Sonoma CA 95476 Tel 707 938-2893 s weigh both gins & ozs High accuracy guaranteed tare have strain gage transducers Whethm build indoor models big birds between have scale Send #10 SASE brochure Discount prices $9900 up $24750 Includes AC adaptor UPS 1 yr warrantee Champion Model Products 880 Carmen Court La Verne CA 91750 909 599-3348 ii ii [0] #sh-h-If oniy $490 Koosh In-It tough flex ible rubber/fabric laminate softens vibration between engine fuselage Cuts easily scissors installs minutes Sheet 2 x 4 x 1/16 thick Money back completely satisfied Send check money order tor $490 plus 90 P&H $580 Balsadust PO Boa 78 New York NY 10021 212 737-0071 Fax 212-737-0072 FREE Order now reca ire sam- Raii Ca pie issue BaIsadustQuafledy frst magazine exdus&elyforR/C entenainment $400 value CatalogsThe Best Scale Best Scale$400 ASP Model aircraft Plans Handbook$500 ASP Scale Drawing Plans Book$500 RC Model World Const Guide$600 VTH German P Ions Book$600 Vsi ddd *500 P.69 b -5 dst CoIl 714 8853959 credit cord ME 163 ROCKET SMI KIT 61 SPAN 60 POWER PROP EPOXY FUSELAGE PLAN CANOPY 17995 PP Bob Holman Box 741 San Berdo CA 9240 May1993 111 NEW PRODUCT NEW PRODUCT NEW PRODUCT NEW PRODUCT AIRFOIL DATA DISKS FOILED AGAIN! Now popular demand ahipping diska ready-made airfoils uae FOILED AQAINIII MORE THAN 50 AIRFOiL DATA FILES ON EACH DISK IN HEW STANDARDIZED DATA FORMAT ILLUSTRATED 58-PAGE MANUAL WITH MULTIPLE PLOTS & COORDINATE DATA FOR EACH AIRFOIL Disk Selig-Donovan Eppler other AIr olla DIsk B NACA SymmetrIc Cambered AIrfoIls eRoiER FOILED AGAiN! Vr3U oriole ORDER YOUR COPIES NOW $2500 CYGNET Software619 792-8021 3525 Del Mar Heights #23rD San Diego CA 92130
Edition: Model Aviation - 1993/05
Page Numbers: 110, 111
FREE FLIGHT WHEN BEGAN writing column about six years ago wondered called contributing editors instead columnists writers Well aptness term editor becomes apparent time spend energy deciding what include what leave out writing wish could timely write monthlyI am writing Januaryso able keep up sort dialog. will try bloom planted March 1993 column drew rough graph show relationship turns torque rubber motor points made graph about 80% motors potential power comes last 20% turns wind about 80% capacity decrease power rather gradual trim wont change much makes possible fly models limited performance such scale models sport designs have small James Rice New Port Richey Florida scaled Doc Mathewss Clipper Jr July 1986 MA 29-inch span powered geared toy car motor two Ni-Cd cells Flying weight 225 ounces Mr Rice also built 28-inch-span Bl4riot scaled WA Wylam drawings 375ounce model uses same power plant Clipper Extra weight drag model may necessitate added cells Rices Bidriot yet flown photos taken Wing airfoil doubled thickness Ribs pre-bent strips over fulldepth spars Model also features functional rigging shockabsorbing landing geara real work art Photos James Rice OLD-TIMERS ifting stabilizers centers gravity CGs 25-33% chord outdoor duration models both Old-Timer current AMA-FAI events have get energy possible climb order competitive So wind tight dare get full use burst will produce very rapid climb few seconds short very strong release energy can tamed somewhat use air brake effect large high-pitch props trim problem really rapid change power much very high power itself lifting stabilizer CG about 60%-70% does help lot trim schemes will work fundamental use enough left rudder andlor stabilizer tilt give desired left glide circle combined down right thrust needs enough right thrust keep model turning right its okay goes straight during initial burst enough downthrust keep looping What desired right spiral climb will transition smoothly left glide right turn gets too tightthreat ening spiral model inthe left rudder tab should become effective because increased airspeed will tend open up right turn what makes setup safe some disadvantagesand some interesting alternativesbut will save later questioned OFB Jim OReilly duration rubber power runs says modem Wakefields tend run 35 45 seconds Coupes about 25 30 seconds P-30s about 40 seconds Unlimited Mulvihill models have seen run about 50 70 seconds spread has choice cross section versus length size propeller discussed last column Old-Timers above may helpful extent motor sizes correspond current events example flew Lanzo Stick Cabin Korda Dethermalizer about 300 square inches same motors used Mulvihillabout 90 grams 34 inches long Since Mulvihill ran about minute OT ships ran bit lessabout 45 secondssince propeller used OT smaller diameter legal point run very short may want increase load motormore propor may want change longer motor smaller cross section try get run two minutes example going have fly indoors very calm mornings long slow climb seldom works outdoors am talking about competition duration models scale models have seen fly Flying Aces Club FAC meets exceptions get very long motor runs long flights low model weight low cross section motors great lengthtwo three times length modelcan used models wound strong burst level have very long cruising flight seldom get very high unless lift encountered dont worry about glidethey generally land propeller still turning like indoor model Because questions get about laying out propeller blanks will try give necessary data next column am going write detailed how-to-carve article has done well times have reprint article Dick Korda wrote half-century ago can hardly improved upon will make copy usual business-size SASE plus loose stamp pay copy expenses same deal offered old buddy George Schroedter Champion Model Products CMP kits modern Wakefields Coupes have very fine carving instructions will send copy SASE extra stamp better deal send him two bucks catalog ask 110 Model Aviation ructions addition highly recommend kits also supplies tissue silk quality scales weighing things wood etc Champion Model Products located 880 Carmen Court La Verne CA 91750 Tel 714 599-3348 Looking through Oldtimer Model Supply catalog about hundredth time see first time prop kit consisting 12-inch drilled sawed prop blank written instructions $395what deal dont have OMS catalog havent reading column long catalog $2 orders have $3 charge shipping handling want prop kit described will cost $695 best thing might get catalog first order lots stuff will sent same three bucks Send Oldtimer Model Supply PO Box 7334 Van Nuys CA 91409 keep doing though folks still write asking can get various things answer always same Get cottage industry catalogs plug Campbells Custom Kits recently sent new kit release Aerbo 020 Replica Pee-Wee 30 scale-down Old-Timer gas model think original Ajob Arden Bantam 19s fine kit nicely precut ribs other precut parts good wood good tissue can highly recommend appears have requirements competitive design fuselage sort diamond-shaped may easy build first model rectangular cross section clear plans should pose no problem experienced builders welcome addition avail able selection 020 Replica competition models maintains high quality standards recent Campbell releases have featured available usual suppliers such FAI Model Supply direct $2198 plus $4 shipping handling Campbell Custom Kits 401 Executive Center Dr Suite H-108 West Palm Beach FL 33401 Tel 407 686-7824 Terry Rimert has put together collection Nostalgia-era post-WW II through 1956 plans various magazines published book form available Campbells $10 plus $2 shipping handling calls Third Nostalgia makes sense first two collec tions Nostalgia Nostalgia Too outfit handles Campbell line Free Right Unlimited operated R Linwood Cochran 6769 Angels Lane Tucker GA 30084-1304 Tel 404 493-1302 see has 020 Replica Aerbo also has 19 size SAM Class Pylon competition didnt know Campbells made Cochrans catalog has lot CO2 minielectric things well Jetex fuel motors tiny rocket motors made England extensive Canadian Easy Built line includes Old-Timer rubber duration ships scale models light stick-and-tissue construction Now Linwood says will send catalog free hey thing runs 12 sheets takes 56 cents postage say send man buck didnt realize extensive Campbell line become until read catalog says Lanzo Stick coming soon OldTimer Nostalgia gas rubber designsand modem ones too need catalog way lists CO2 motors parts well Finally ask again input form photos other data appreciate questions problems give ideas write about ndoorlTenny Continued page 109 Chinese indoor flying Ed Whitten has corresponding indoor flier Beijing China correspondence find Chinese indoor fliers beginners Shanghai has yearly citywide contest same letter indicated Chinese hope able send team 1994 World Championship Find site major concern indoor modeling fly Most currently active sites located two ways either diligent continuous search completely accident example Cliff Culpepper 1401 Ferucliff Rd Charlotte NC 28211 Tel 704 366-7350 has active site used once week year-round church gymnasium Cliff passed church rainy afternoon noticed gym An quiry led discussions pastor finally own set keys site 45 feet x 65 feet 26-foot domed ceiling recessed fixtures small very good active group Cliff welcomes additions group includes two fliers travel 100 miles fly morals story cant let up shouldnt pass up reasonable opportunity John Martin sparkplug MIAMA group Miami Florida has located several unorthodox sites unusual building initially intended fertilizer warehouse additional factor common successful group activities Always leave sites cleaner find Indoor models dont create noxious messes broken motors other trivial indoor trash still need cleaned up someone Better group site owners Flying opportunities Make sure call contact person before meet Sometimes things go scheduled CaliforniaMain County Tom Brennan 21326 Via Colombard Sonoma CA 95476 Tel 707 938-2893 s weigh both gins & ozs High accuracy guaranteed tare have strain gage transducers Whethm build indoor models big birds between have scale Send #10 SASE brochure Discount prices $9900 up $24750 Includes AC adaptor UPS 1 yr warrantee Champion Model Products 880 Carmen Court La Verne CA 91750 909 599-3348 ii ii [0] #sh-h-If oniy $490 Koosh In-It tough flex ible rubber/fabric laminate softens vibration between engine fuselage Cuts easily scissors installs minutes Sheet 2 x 4 x 1/16 thick Money back completely satisfied Send check money order tor $490 plus 90 P&H $580 Balsadust PO Boa 78 New York NY 10021 212 737-0071 Fax 212-737-0072 FREE Order now reca ire sam- Raii Ca pie issue BaIsadustQuafledy frst magazine exdus&elyforR/C entenainment $400 value CatalogsThe Best Scale Best Scale$400 ASP Model aircraft Plans Handbook$500 ASP Scale Drawing Plans Book$500 RC Model World Const Guide$600 VTH German P Ions Book$600 Vsi ddd *500 P.69 b -5 dst CoIl 714 8853959 credit cord ME 163 ROCKET SMI KIT 61 SPAN 60 POWER PROP EPOXY FUSELAGE PLAN CANOPY 17995 PP Bob Holman Box 741 San Berdo CA 9240 May1993 111 NEW PRODUCT NEW PRODUCT NEW PRODUCT NEW PRODUCT AIRFOIL DATA DISKS FOILED AGAIN! Now popular demand ahipping diska ready-made airfoils uae FOILED AQAINIII MORE THAN 50 AIRFOiL DATA FILES ON EACH DISK IN HEW STANDARDIZED DATA FORMAT ILLUSTRATED 58-PAGE MANUAL WITH MULTIPLE PLOTS & COORDINATE DATA FOR EACH AIRFOIL Disk Selig-Donovan Eppler other AIr olla DIsk B NACA SymmetrIc Cambered AIrfoIls eRoiER FOILED AGAiN! Vr3U oriole ORDER YOUR COPIES NOW $2500 CYGNET Software619 792-8021 3525 Del Mar Heights #23rD San Diego CA 92130