CONTROL LINE SPEED --g Ceramic Bearings previous columns have written about composite bearings feature steel races silicon nitride ceramic balls wanted ceramic balls became available few years ago take steel bearing apart measure diameters balls order ceramic replacementsfor approximately $14 per ball Production has reduced price balls about third still expensive need seven eight balls per bearing some did have micrometer could measure diameter balls 50 millionths inch balls needed suit dimensions races replace balls needed measure less tenth thousandth inch However such problems have eliminated now can order complete ceramic replacement bearings Boca Bearinga specialty bearing supplier Boca Raton FL See address telephone number end column manufacturers small model turbine jets learned right away also needed bearings yesceramic bearings make difference have heard rumors engine increasing several hundred rpm dont have tested data verify specific numbers can report performance Ned Morris has ceramic bearings OS 65 several years holds Class D Speed record just less 202 mph says engine has turning 28000 rpm attain speed 10- 11-inch-pitch prop Normal steel bearing lifetime rpm very short lifetime ceramic balls plastic ball separator much longer Ned oniy person using ceramic bearings record set Class Speed Tommy Browns Irvine 15-powered sidewinder flew 191 mph St Louis May 16 factory representative assured him ceramic bearings wouldnt anything engine tried picked up several mph Tommy also used ceramic bearings FAI Federation Aeronautique Intemationale model set US F2A record 28651 kph Cincinnati June 20 Thats close 179 mphvery good new long lines FAI fuel Tommy may modeler hold Class FAI records same time Billy Hughes has trouble steel bearings Profi 15 engines rear bearing balls run directly against crankshaft fracturing sending pieces hardened steel through engine destroying everything Billy has replaced steel balls ceramics hasnt flown yet Ill report results future column replaced bearings OS 65 set Boca Bearing have flown engine enough tell much difference first flight couple mph faster previous ones Im hoping Weather prop selection greatly affeet performance Ill have fly times comparison rpms run Speed few hundred rpm big increase horsepower speeds should go up dont know Radio Control Pylon fliers have started using ceramic bearings yet probably will soon word gets around have decide yourself whether bearings worth price Dont forget lubricate engines after flying though balls ceramic cant rust inner outer races steel plenty after-run oil out use make own mixture air tool oil Marvel Mystery Oil transmission oil have also used gun oil 3InOneTM household oil cant see difference long use some kind after-mn oil Jet Speed heard Mike Fiske set Jet Speed record 194 mph Texas Mike Couts record stood several years speeds have expected go up since Earl Baileys extensive work Jet engines Jet Speed could use competitors event noisy its difficult find flying sites Midwest contests St 130 Model Aviation y Brown Cincinnati holds US Class record 1912 mph sidewinder FAI model converted monoline Jet Bill Capinjolas jet heads spun aluminum cowls Head has enlarged holes two-piece construction tuned length authors Bare Minimum sidewinder Jet model constructed welding aluminum tubing parts together Louis Cincinnati Dayton OH AMA field Muncie Jet fun fly its different other event two classes AMA Jet Speed unofficial Sport Jet restricted stock engines such Dyna Jet OS Jet Bailey Sport Jet Sport Jet models flown two 60-foot-long x 018-inch diameter lines controls must mounted externally Fuel same Fast Jet80% methanol 20% propylene oxideand stock engines run quite well interested Jet-flying build Sport Jet have some fun us supplies Jets available its no problem get necessary equipment Jerry Thomas JT Products has kinds model parts Ironsides airplane well valves valve retainers starting probes engines Earl Bailey B alley Machine Service has Fast Jet engines stock Sport Jet engines parts including tire pumps starting Ned Morris has flying wire torque units bellcranks other model equipment such bearings two-stroke engines George Brown HI has monoline handles other things such spinners Jet Bill Capinjola great Jet booster competitor has some two-piece Jet heads copied Bill Couts old recordholder engine Capinjola also has metering jets cowls items advertised North American Speed Society newsletter along list other Speed equipment suppliers NASS membership $25 per year get newsletter two months newsletter provides such things plans various models nostalgia articles contest lists results photos etc finished new sidewinder all-aluminum Fast Jet airplane named Bare Minimum fuselage aluminum tubing end caps tail extension wing mount heliarc-welded tube also fuel tank Thats trouble Aluminum welds shrink cool shrinkage welds cracked thin-walled fuel tank Rather take chance questionable techniques Im building identical airplane 0-ringsealed plugs screws no welds also made new head modified internal shape engine have find out will run Ill make provisions mounting another engine just case s Suppliers Boca Bearing 7040W Palmetto Park Rd Suite 2304 Boca Raton FL 33433 800 332-3256 Bailey Machine Service 633 West Parker Houston TX 77091 713 694-7017 George Brown III Suite #7 5235 South Kyrene Rd Tempe AZ 85283 602 491-0902 days Bill Capinjola 524 Irving Park Rd Sheffield Lake OH 44054 440 949-7810 JT Products 9215 33rd St East Edgewood WA 98371 Ned Morris 9044 Rushmore Blvd South Indianapolis IN 46234 317 271-1231 NASS Box 82294 North Burnaby BC Canada V5C 5P7 4-40x1/2 socket caps sell $435/i 00 far alloy steel $665/i 00 stainless $750/SO aluminum fair prices sensible quantities fas teners need model building call write fax free catalog Micro Fasteners800-892-6917 110 Hillcrest Road908-806-4050 Flemington NJ 08822fax 908-788-2607 e-mail micraf@blastaetInternet http//microfastenerscom K Manufacturing & 1IIflADistributing Co. Inc largest supplier control-line airplanes JIM HUNTS CONTROL HORNS BH-746 5/32 wire 2 bearing along825 011-7475/32 3 bearing long825 BII-74a I/a mire 2 bearing long840 011-749 I/S wire 3 bearing S long840 Alt Control Horns bright zinc plated resist corrosion rust also available Catalogue 69 Send $400 Brodaks 100 Park Avenue icheets PA 15320 Phone 724-966-2726 724-966-5670 Ha, IS s nandfol link bid Ibal ynn jISSI don nany Bailds y qsiokly sob fason sing asoso ns01 b01so sad p mnobiaoa po. Baild silli nilha8 lIan sad bnala Inolad. malded asnopy railni pl. sd lop qnolity soot Sr- 55 lalgIb 45 no 610 seiglo 57 lb. fa 46 olnanol sdo 40- 652 cyolno 45754 oyal engIne Asnsbsd bsald sd Os. slsda sad fast ye 011 loads slow INST NUN 3M UTIWUU TIP UN WI dl MIDGET MUSPANO 418988 72 LI8BIIWDOG 414989 89 CEIPMIJNK 418989 63 AXON AIRCOIJa 812989 II P28 AIIlACOBRA 41899872 PIPER COMANChE 416998 89 REARWIN SPEEDRTER4IaE8975 TWIN CObOAJiCHE 418981 89 B4D LIBERATOR -128991U MOONEY OVATION -S269W U CENNA 120/140 428989 d. noldod in89io kit FULl 0106 CATALOG $2 SHIPrING 8110 HI1NDUNG $993 JACI TAFFORD 4O2EL 551 55005 U550 52 4551 PHONE 217-279-9318 -VISA-MASThRCARDDI2COVER FAX 517-278-6376 November 1999 131 PARTS U WHY ARE YOU PAYING MORE FOR LE5S Compare Tee-Sara other aimilar-lookin pro4ucta cost an4 cuatomera about 30% No140 Mini T-Sar Sanelpaper 4V2$376 No 141 Tee Sar 11 in$350 No 142 Tee Sar 22 in$625 Other oioi too/a co/lob/a Write ca/I catalog Applied Design Corp 375-4120 Fax 3101 378-1590 PO Box 3384 ThrTance CA 90510 55 flU AIESSEIIA Home Aero Electric 3706 N 33rd St Galesburg MI 45053 Fax/Phone 616-665-9693 E-Mail aero-electric@worldnetattnet
Edition: Model Aviation - 1999/11
Page Numbers: 130, 131
CONTROL LINE SPEED --g Ceramic Bearings previous columns have written about composite bearings feature steel races silicon nitride ceramic balls wanted ceramic balls became available few years ago take steel bearing apart measure diameters balls order ceramic replacementsfor approximately $14 per ball Production has reduced price balls about third still expensive need seven eight balls per bearing some did have micrometer could measure diameter balls 50 millionths inch balls needed suit dimensions races replace balls needed measure less tenth thousandth inch However such problems have eliminated now can order complete ceramic replacement bearings Boca Bearinga specialty bearing supplier Boca Raton FL See address telephone number end column manufacturers small model turbine jets learned right away also needed bearings yesceramic bearings make difference have heard rumors engine increasing several hundred rpm dont have tested data verify specific numbers can report performance Ned Morris has ceramic bearings OS 65 several years holds Class D Speed record just less 202 mph says engine has turning 28000 rpm attain speed 10- 11-inch-pitch prop Normal steel bearing lifetime rpm very short lifetime ceramic balls plastic ball separator much longer Ned oniy person using ceramic bearings record set Class Speed Tommy Browns Irvine 15-powered sidewinder flew 191 mph St Louis May 16 factory representative assured him ceramic bearings wouldnt anything engine tried picked up several mph Tommy also used ceramic bearings FAI Federation Aeronautique Intemationale model set US F2A record 28651 kph Cincinnati June 20 Thats close 179 mphvery good new long lines FAI fuel Tommy may modeler hold Class FAI records same time Billy Hughes has trouble steel bearings Profi 15 engines rear bearing balls run directly against crankshaft fracturing sending pieces hardened steel through engine destroying everything Billy has replaced steel balls ceramics hasnt flown yet Ill report results future column replaced bearings OS 65 set Boca Bearing have flown engine enough tell much difference first flight couple mph faster previous ones Im hoping Weather prop selection greatly affeet performance Ill have fly times comparison rpms run Speed few hundred rpm big increase horsepower speeds should go up dont know Radio Control Pylon fliers have started using ceramic bearings yet probably will soon word gets around have decide yourself whether bearings worth price Dont forget lubricate engines after flying though balls ceramic cant rust inner outer races steel plenty after-run oil out use make own mixture air tool oil Marvel Mystery Oil transmission oil have also used gun oil 3InOneTM household oil cant see difference long use some kind after-mn oil Jet Speed heard Mike Fiske set Jet Speed record 194 mph Texas Mike Couts record stood several years speeds have expected go up since Earl Baileys extensive work Jet engines Jet Speed could use competitors event noisy its difficult find flying sites Midwest contests St 130 Model Aviation y Brown Cincinnati holds US Class record 1912 mph sidewinder FAI model converted monoline Jet Bill Capinjolas jet heads spun aluminum cowls Head has enlarged holes two-piece construction tuned length authors Bare Minimum sidewinder Jet model constructed welding aluminum tubing parts together Louis Cincinnati Dayton OH AMA field Muncie Jet fun fly its different other event two classes AMA Jet Speed unofficial Sport Jet restricted stock engines such Dyna Jet OS Jet Bailey Sport Jet Sport Jet models flown two 60-foot-long x 018-inch diameter lines controls must mounted externally Fuel same Fast Jet80% methanol 20% propylene oxideand stock engines run quite well interested Jet-flying build Sport Jet have some fun us supplies Jets available its no problem get necessary equipment Jerry Thomas JT Products has kinds model parts Ironsides airplane well valves valve retainers starting probes engines Earl Bailey B alley Machine Service has Fast Jet engines stock Sport Jet engines parts including tire pumps starting Ned Morris has flying wire torque units bellcranks other model equipment such bearings two-stroke engines George Brown HI has monoline handles other things such spinners Jet Bill Capinjola great Jet booster competitor has some two-piece Jet heads copied Bill Couts old recordholder engine Capinjola also has metering jets cowls items advertised North American Speed Society newsletter along list other Speed equipment suppliers NASS membership $25 per year get newsletter two months newsletter provides such things plans various models nostalgia articles contest lists results photos etc finished new sidewinder all-aluminum Fast Jet airplane named Bare Minimum fuselage aluminum tubing end caps tail extension wing mount heliarc-welded tube also fuel tank Thats trouble Aluminum welds shrink cool shrinkage welds cracked thin-walled fuel tank Rather take chance questionable techniques Im building identical airplane 0-ringsealed plugs screws no welds also made new head modified internal shape engine have find out will run Ill make provisions mounting another engine just case s Suppliers Boca Bearing 7040W Palmetto Park Rd Suite 2304 Boca Raton FL 33433 800 332-3256 Bailey Machine Service 633 West Parker Houston TX 77091 713 694-7017 George Brown III Suite #7 5235 South Kyrene Rd Tempe AZ 85283 602 491-0902 days Bill Capinjola 524 Irving Park Rd Sheffield Lake OH 44054 440 949-7810 JT Products 9215 33rd St East Edgewood WA 98371 Ned Morris 9044 Rushmore Blvd South Indianapolis IN 46234 317 271-1231 NASS Box 82294 North Burnaby BC Canada V5C 5P7 4-40x1/2 socket caps sell $435/i 00 far alloy steel $665/i 00 stainless $750/SO aluminum fair prices sensible quantities fas teners need model building call write fax free catalog Micro Fasteners800-892-6917 110 Hillcrest Road908-806-4050 Flemington NJ 08822fax 908-788-2607 e-mail micraf@blastaetInternet http//microfastenerscom K Manufacturing & 1IIflADistributing Co. Inc largest supplier control-line airplanes JIM HUNTS CONTROL HORNS BH-746 5/32 wire 2 bearing along825 011-7475/32 3 bearing long825 BII-74a I/a mire 2 bearing long840 011-749 I/S wire 3 bearing S long840 Alt Control Horns bright zinc plated resist corrosion rust also available Catalogue 69 Send $400 Brodaks 100 Park Avenue icheets PA 15320 Phone 724-966-2726 724-966-5670 Ha, IS s nandfol link bid Ibal ynn jISSI don nany Bailds y qsiokly sob fason sing asoso ns01 b01so sad p mnobiaoa po. Baild silli nilha8 lIan sad bnala Inolad. malded asnopy railni pl. sd lop qnolity soot Sr- 55 lalgIb 45 no 610 seiglo 57 lb. fa 46 olnanol sdo 40- 652 cyolno 45754 oyal engIne Asnsbsd bsald sd Os. slsda sad fast ye 011 loads slow INST NUN 3M UTIWUU TIP UN WI dl MIDGET MUSPANO 418988 72 LI8BIIWDOG 414989 89 CEIPMIJNK 418989 63 AXON AIRCOIJa 812989 II P28 AIIlACOBRA 41899872 PIPER COMANChE 416998 89 REARWIN SPEEDRTER4IaE8975 TWIN CObOAJiCHE 418981 89 B4D LIBERATOR -128991U MOONEY OVATION -S269W U CENNA 120/140 428989 d. noldod in89io kit FULl 0106 CATALOG $2 SHIPrING 8110 HI1NDUNG $993 JACI TAFFORD 4O2EL 551 55005 U550 52 4551 PHONE 217-279-9318 -VISA-MASThRCARDDI2COVER FAX 517-278-6376 November 1999 131 PARTS U WHY ARE YOU PAYING MORE FOR LE5S Compare Tee-Sara other aimilar-lookin pro4ucta cost an4 cuatomera about 30% No140 Mini T-Sar Sanelpaper 4V2$376 No 141 Tee Sar 11 in$350 No 142 Tee Sar 22 in$625 Other oioi too/a co/lob/a Write ca/I catalog Applied Design Corp 375-4120 Fax 3101 378-1590 PO Box 3384 ThrTance CA 90510 55 flU AIESSEIIA Home Aero Electric 3706 N 33rd St Galesburg MI 45053 Fax/Phone 616-665-9693 E-Mail aero-electric@worldnetattnet