FREE FLIGHT INDOOR U rur END OF HOUR-LONG FLIGHTS After Marines moved out Tustin two hangars being leased First go second hangar used Indoor expected next hangars seem viewed excellent locations movie sets International E-Mail A-6 Indoor Contest landmark event getting lot activity raw flight times posted Internet Before contest finishes March 31 1998 raw times will adjusted according ceiling heights produce final scores Sample raw scores time/ceiling height 445/2225 505/265 competing check out Del Ogrens Web site wwwn lemmacom/indoor browsing also check out wwwultranetcomidavison/indoorhtml Glenn has revamped expanded site tremendous amount Indoor information FiD Survey previous column discussed transporting Indoor models safely Part discussions triggered Richard Doigs comments included reducing span 55cm minimize box sizes better fit current airline overhead bins has also concern about looming shortage microfilm could lead outlawing microfilm FiD models survey FID fliers followed results Most fliers reported having enough microfilm last least World Championships cycle Only 43% group favor outlawing microfilm FiD Fifty-seven percent fliers favored span reduction 55cm 24% favored total area limit model specs changed None fliers favored rubber weight limit Tan II Report 7/97 vintage Tan II has supplemented 10/97 very similar aspects Larry Coslick tested 7/97 10/97 8/93 against other using very practical approach Excerpted Larrys report Indoor News Views Larry stripped rubber weight three batches made 1/4 motors 35 inches long weighing 26g accurate within percent test model Easy B weighed 9g motor prewound 15 inch-ounces torque unwound twice test flights made two-hour period 720 45% humidity less-than-perfect air Winding launch 3 inchounces backed down 15 resulted approximately same number turns launch results successive flights 8/93 448 453 456 7/97 520 518 528 10/97 511505514 Larry observed 10/97 sags momentarily during climb 7/97 keeps plugging Also 10/97 takes abuse will grapevine come too fast earlier report column also mentioned 7/97 batch sold out before Indoor fliers heard about According FAI Model Supply shipment arrived just before outdoor WCh started sold immediately Indoor Group now has 130 members Join us sending request Bud Tenny rten@nstarnet Note change address time issue arrives previous address will phased out Current members please update address lists Flat Airfoil Jim Clems continual experimentation has panned out again built new version Cobra MiniStick used wing stab very similar Andy Tagliaficos record holder difference airfoil has no camber Figure 1 Figure 1 Note sharpened leading edge extra-deep rear spar extra depth has referred kicker Blubaugh Fence discussed Indoor News Views several years ago after being suggested Hal Blubaugh amount extra depth subject experimentation often very interesting results new configuration seems climb faster handles torque easily Quarter-motor flights Jims high-ceiling living room longer conventional airfoils Indoor Glue Thumb Print newsletter Thermal Thumbers Metro Atlanta edited David Mills want make satisfactory Indoor cement thin Sig-Ment Ambroid 50/50 dope thinner lacquer thinner Apply glue joints tip needle can see dried cement joint after construction used too much cement Make good joints use minimal cement flight time between model weighing 015 gram twin can substantial Picking good wood cannot offset use too much cement Cement heavy Cyanoacrylate CyA glue heavy too dont use much Indoor models need change trim quick application thinner joint will allow reconfigure cellulosecemented joint CyA joints very difficult change Consider difference choose Indoor adhesive Custom Spars Making custom spars such 030 x 025 easy Pick up couple strips 025 brass K&S display favorite hobby shop Using double-stick tape stick two brass strips beside other Formica shelf board gap 030 between Cut 1/32 x /16 strip favorite sheet five-pound balsa Place spar between two strips brass press down firmly against sticky tape Presto now ready sand block 320 Wet-or-Dry paper can use double-stick tape attach sandpaper block Works great Sand direction away spar until begin sand brass strip Carefully remove sanded spar between brass strips perfect spar dimensions need Since brass strip comes thicknesses can custom-sand dimensions want want taper spar like experts shim May1998 119 Rubber test rig Test motor drives replaceable paddle blades selected give realistic run-down rpm JUl11 Unil IIIUUCPLI Aftordsble4 models starting $995 East useFREE training Versatilemake fix anything out xl metal wood plastic CALL TODAYtlOI Irpaidfor neff in Inns 1 -800-31i5-03i2 eSmithy Metalworking Basics Info Kit Ann Orno S 4t 061517 KIUI IebiE Le1I SPCIALISTS IN COX AND AME ENGINES & CUSTOM PARTS COMPETITION ACCCESSORIES RACING WHEELS SOLID LINES CUSTOM NEEDLE VALVES OLD TIMER KITS & SUPPLIES COILS CONDENSERS PLUGS SILK QUALITY DOPE BRUSHES TRANSISTOR IGNITION SYSTEMS 1I2A TEXACO PLAYBOY SR KIT SANYO BATTERY PACKS Receiver & Transmitter Packs Ni-Cds Ni-MH Lead Acid TNR Technical Inc Irvine CA 800-490-8418 Sanford FL 800-346-0601 CUSTOM LETTER TODAY THE VNYLWR TE WAY l-AMAgYf]I Since 1987 mail order company providing modeler EZ apply custom lettering logos stars etc choices type styles & colors decal custom cut pre-aligned & pre-spaced premium vinyl planes boats trains toys etc Heights 1/4 12 Priced right eg AMA er 1 high $250. color style Find out what can Sample infopack free Please include #10 SASE inquiries 16043 TULSA STREET GRANADA HILLS CA 91344 818-363-7131 - Mon Thur 1O-4pm PST EMAIL vinylrt@datadepotcom Plus $2 P/H Ca res odd tax end another thickness double-stick tape layer approximately 020 thick two layers tape end strips will give 040 taper spar NFFS Digest What CyA glue has sitting around awhile getting too thick thick type dont have too much left bottle can add some thin CyA to thin out enough can finish bottle late Bob Hunter Satellite City makers Hot Stuff gave tip Keep glue freezer until ready use first time will increase its shelf life Let come up room temperature before open Terry Thorkildsen Experimental Rubber Test photo shows idea rubber-test fixture am trying test motor drives paddle blades instead prop During motor run-down rpm will recorded vs time Design features 1 The paddle blades interchangeable accommodate different rubber sizes paddle size chosen give run-down rpm close expected motor flying model 2 The distance between hooks adjustable accommodate differing motor lengths document changes power output differing amounts slack expect run first test series hook spacing equal starting length motor test rig gives several opportunities 1 To make meaningful comparisons between different batches rubber using standardized loop length weight 2 To directly test new motors attempt correlate test results flight results get good correlation test results should ease process selecting motors contests 3 Research rubber gets tired theory Ive always felt theory stems stretching rubber can change hook length remove effect stretch Jim OReillys discussion 1993 NFFS Symposium has already laid groundwork such test showing rubber gets better tired repeated usage improvement continues until rubber mechanically chemically damaged Model Aviation D FIGHTER WIND VANES _ j FIJI ~opa Build Great Fighter Wind Vanes Yard Field 24 Inch Wing Span Color Pies Plan Info Send $200 30e0 MODEL HELICOPTER i [HTECHNIQUE DEDICA TED TO THE AOVANCEMENT OF PILOT AND MACHINE . , Order sending check MHT PO Box 96 Buda Texas 78610 Use credit card order calling faxing 512312-0908 quarleriy pubiicanion mr lEe nlermedisne expert pliol AeJ ee Reel Iee will number tune hit parade WALSTON RETRIEVAL SYSTEtS 725 cooper Lake Rd SE Smyrna GA 30082 770-434-4905 800-657-4872 Fax 770-431-0119 Visa AmEx PH 760-761-0511 FAX 761-0937 VISA /MC WELCOME NO COD MINIMUM ORDER $1000 PLUS flfl I4lPPlNI lNLIPAMCF t fin
Edition: Model Aviation - 1998/05
Page Numbers: 119, 120
Edition: Model Aviation - 1998/05
Page Numbers: 119, 120
FREE FLIGHT INDOOR U rur END OF HOUR-LONG FLIGHTS After Marines moved out Tustin two hangars being leased First go second hangar used Indoor expected next hangars seem viewed excellent locations movie sets International E-Mail A-6 Indoor Contest landmark event getting lot activity raw flight times posted Internet Before contest finishes March 31 1998 raw times will adjusted according ceiling heights produce final scores Sample raw scores time/ceiling height 445/2225 505/265 competing check out Del Ogrens Web site wwwn lemmacom/indoor browsing also check out wwwultranetcomidavison/indoorhtml Glenn has revamped expanded site tremendous amount Indoor information FiD Survey previous column discussed transporting Indoor models safely Part discussions triggered Richard Doigs comments included reducing span 55cm minimize box sizes better fit current airline overhead bins has also concern about looming shortage microfilm could lead outlawing microfilm FiD models survey FID fliers followed results Most fliers reported having enough microfilm last least World Championships cycle Only 43% group favor outlawing microfilm FiD Fifty-seven percent fliers favored span reduction 55cm 24% favored total area limit model specs changed None fliers favored rubber weight limit Tan II Report 7/97 vintage Tan II has supplemented 10/97 very similar aspects Larry Coslick tested 7/97 10/97 8/93 against other using very practical approach Excerpted Larrys report Indoor News Views Larry stripped rubber weight three batches made 1/4 motors 35 inches long weighing 26g accurate within percent test model Easy B weighed 9g motor prewound 15 inch-ounces torque unwound twice test flights made two-hour period 720 45% humidity less-than-perfect air Winding launch 3 inchounces backed down 15 resulted approximately same number turns launch results successive flights 8/93 448 453 456 7/97 520 518 528 10/97 511505514 Larry observed 10/97 sags momentarily during climb 7/97 keeps plugging Also 10/97 takes abuse will grapevine come too fast earlier report column also mentioned 7/97 batch sold out before Indoor fliers heard about According FAI Model Supply shipment arrived just before outdoor WCh started sold immediately Indoor Group now has 130 members Join us sending request Bud Tenny rten@nstarnet Note change address time issue arrives previous address will phased out Current members please update address lists Flat Airfoil Jim Clems continual experimentation has panned out again built new version Cobra MiniStick used wing stab very similar Andy Tagliaficos record holder difference airfoil has no camber Figure 1 Figure 1 Note sharpened leading edge extra-deep rear spar extra depth has referred kicker Blubaugh Fence discussed Indoor News Views several years ago after being suggested Hal Blubaugh amount extra depth subject experimentation often very interesting results new configuration seems climb faster handles torque easily Quarter-motor flights Jims high-ceiling living room longer conventional airfoils Indoor Glue Thumb Print newsletter Thermal Thumbers Metro Atlanta edited David Mills want make satisfactory Indoor cement thin Sig-Ment Ambroid 50/50 dope thinner lacquer thinner Apply glue joints tip needle can see dried cement joint after construction used too much cement Make good joints use minimal cement flight time between model weighing 015 gram twin can substantial Picking good wood cannot offset use too much cement Cement heavy Cyanoacrylate CyA glue heavy too dont use much Indoor models need change trim quick application thinner joint will allow reconfigure cellulosecemented joint CyA joints very difficult change Consider difference choose Indoor adhesive Custom Spars Making custom spars such 030 x 025 easy Pick up couple strips 025 brass K&S display favorite hobby shop Using double-stick tape stick two brass strips beside other Formica shelf board gap 030 between Cut 1/32 x /16 strip favorite sheet five-pound balsa Place spar between two strips brass press down firmly against sticky tape Presto now ready sand block 320 Wet-or-Dry paper can use double-stick tape attach sandpaper block Works great Sand direction away spar until begin sand brass strip Carefully remove sanded spar between brass strips perfect spar dimensions need Since brass strip comes thicknesses can custom-sand dimensions want want taper spar like experts shim May1998 119 Rubber test rig Test motor drives replaceable paddle blades selected give realistic run-down rpm JUl11 Unil IIIUUCPLI Aftordsble4 models starting $995 East useFREE training Versatilemake fix anything out xl metal wood plastic CALL TODAYtlOI Irpaidfor neff in Inns 1 -800-31i5-03i2 eSmithy Metalworking Basics Info Kit Ann Orno S 4t 061517 KIUI IebiE Le1I SPCIALISTS IN COX AND AME ENGINES & CUSTOM PARTS COMPETITION ACCCESSORIES RACING WHEELS SOLID LINES CUSTOM NEEDLE VALVES OLD TIMER KITS & SUPPLIES COILS CONDENSERS PLUGS SILK QUALITY DOPE BRUSHES TRANSISTOR IGNITION SYSTEMS 1I2A TEXACO PLAYBOY SR KIT SANYO BATTERY PACKS Receiver & Transmitter Packs Ni-Cds Ni-MH Lead Acid TNR Technical Inc Irvine CA 800-490-8418 Sanford FL 800-346-0601 CUSTOM LETTER TODAY THE VNYLWR TE WAY l-AMAgYf]I Since 1987 mail order company providing modeler EZ apply custom lettering logos stars etc choices type styles & colors decal custom cut pre-aligned & pre-spaced premium vinyl planes boats trains toys etc Heights 1/4 12 Priced right eg AMA er 1 high $250. color style Find out what can Sample infopack free Please include #10 SASE inquiries 16043 TULSA STREET GRANADA HILLS CA 91344 818-363-7131 - Mon Thur 1O-4pm PST EMAIL vinylrt@datadepotcom Plus $2 P/H Ca res odd tax end another thickness double-stick tape layer approximately 020 thick two layers tape end strips will give 040 taper spar NFFS Digest What CyA glue has sitting around awhile getting too thick thick type dont have too much left bottle can add some thin CyA to thin out enough can finish bottle late Bob Hunter Satellite City makers Hot Stuff gave tip Keep glue freezer until ready use first time will increase its shelf life Let come up room temperature before open Terry Thorkildsen Experimental Rubber Test photo shows idea rubber-test fixture am trying test motor drives paddle blades instead prop During motor run-down rpm will recorded vs time Design features 1 The paddle blades interchangeable accommodate different rubber sizes paddle size chosen give run-down rpm close expected motor flying model 2 The distance between hooks adjustable accommodate differing motor lengths document changes power output differing amounts slack expect run first test series hook spacing equal starting length motor test rig gives several opportunities 1 To make meaningful comparisons between different batches rubber using standardized loop length weight 2 To directly test new motors attempt correlate test results flight results get good correlation test results should ease process selecting motors contests 3 Research rubber gets tired theory Ive always felt theory stems stretching rubber can change hook length remove effect stretch Jim OReillys discussion 1993 NFFS Symposium has already laid groundwork such test showing rubber gets better tired repeated usage improvement continues until rubber mechanically chemically damaged Model Aviation D FIGHTER WIND VANES _ j FIJI ~opa Build Great Fighter Wind Vanes Yard Field 24 Inch Wing Span Color Pies Plan Info Send $200 30e0 MODEL HELICOPTER i [HTECHNIQUE DEDICA TED TO THE AOVANCEMENT OF PILOT AND MACHINE . , Order sending check MHT PO Box 96 Buda Texas 78610 Use credit card order calling faxing 512312-0908 quarleriy pubiicanion mr lEe nlermedisne expert pliol AeJ ee Reel Iee will number tune hit parade WALSTON RETRIEVAL SYSTEtS 725 cooper Lake Rd SE Smyrna GA 30082 770-434-4905 800-657-4872 Fax 770-431-0119 Visa AmEx PH 760-761-0511 FAX 761-0937 VISA /MC WELCOME NO COD MINIMUM ORDER $1000 PLUS flfl I4lPPlNI lNLIPAMCF t fin
