Free Flight. Indoor BudTenny FEEDBACK Welcome Jerry Bockius Colchester CT has gently chided over couple things reported past issue about contests held George Armstead Glastonbury CT set record straight special classes flown Glastonbury meets Old Timer Gas Scale Entries event rubber-powered scale replicas pioneer ing gas models Jerrys point maximum span class 24 Peanut Scale size reported Jerry also furnished winners names 0 TURNS FIG 1 recent contest Bert Baileys replica Miss America placed first Royal Moore placed second model shown photo No ID available model perhaps someone else can identify Jerry Bockius also requested clarifica tion changeover torque discussed Feb 77 column So lets try way fully wound indoor model light weight duration models might have 06 inch-ounces torque launch thing except Pennyplane big AMA 300 maximum legal wing area AMA competition much torque very high power Because models trim doesnt change unless flight loading rubber tension distorts model torque excess required level flight causes model speed up climb time model has stopped climb ing levelled out torque will have dropped about 02 inch ounces value will vary model motor size has properly chosen level flight torque will knee torque curve shown Fig model climbing launch torque stopped climbing torque reached level flight torque rest flight model will very slowly descending adjusted properly some torque lower level flight torque B example energy will required keep prop actively pulling available prop stops pulling enough model slows down due prop drag maintain airspeed models nose drops enough put model shallow dive model pushing prop keep rmp high enough minimize drag torque falls below critical changeover torque value motor said deadstick reminds another im portant point about trimming indoor models maximum duration havior properly trimmed indoor model motor reaches change over torque clearcut Before model flying slightly nose-high prop rpm same has several minutes nose drops visibly model begins come down too much up-trim descent will slightly unsteady calm air model may stall slightly changeover torque reached too little up-trim under-elevated Continued page 111 68 Model Aviation Royall Gee Bee Moore took second Old Timer gas scale event model yeah course its rubber Can guess pioneer gassie Jerry Bockius pic told someones revolutionary new prop youd prob ably buy Actually Dick Pearsalls remarkable photo enlargement damsel fly wingprovocative example natures microfilm Simple effective rundown stand Thickness post trimmed give slight friction fit between clamp pieces motorstick Tenny plc fuselage constant diameter front 15 inches straight taper over remaining 34 inches 7/16-in diameter rear custom sizes request sizes fuselages summarized table care try contact Bob Mattes Sales 3042 Willow Wood Road Saint Charles Mis souri 63301 Remember include five bucks postage handling order Bob Meuser 4200 Gregory St. Oak land CA 94619 FF Indoor/Tenny continued page 68 model lead sled way down level flight torque average prop rmp will too high Practice flying model until can recognize underor over-elevation count rpm often enough know too high Any has flown much can recount least lost trophy because carelessly ignored too-high rpm underelevated model subtle symptoms over-elevation robs time allowing model mush settle nose-high attitude power required keep model flying changeover torque reached earlier flight Nature Does Better gossamer beauty photo damsel-fly wing Richard Pearsall San Francisco CA describes wing photo tech niques such beautiful structure thought readers would like see Nature designed microfilm propeller/wing photo made placing wing between two glass slides placed head photographic enlarger piece F2 paper exposed about three seconds real life wing about inch long Chances Visit Fly Glastonbury CT contests have scheduled see discussion above Glastonbury High School Gym Times 8 am 5 pm Feb 18 Apr 22 1979 two meets have WW Peanut combat WW II combat Flying Aces Scale others besides previously discussed Old Timer Gas Scale Contact George Armstead Box 514 Glastonbury CT 06033 details Down South Sooner Free Flight Society Oklahoma City OK area holding winter series National Guard Armory Oklahoma City meets Jan 21 Feb 18 Mar 18 1979 Armory 200 NE 23rd St Oklahoma City 9 am 5 pm meets feature HLG Pennyplane Easy B Peanut Scale AMA Scale Contact Al Bissonnette 6238 SE 15th Midwest City OK 73110 Bob Loeffler 143A Peanut Scale Peanut Scale models rubber powered lying models scaled trom real aireralt span strictly limited 13 may tlown indoors outdoors Sterling Peanuts tun build tun tIp Designed experts ore remark ably realistic appearance great tlyers material required kit br models except glue & dope paint addition need pliers straight pins hammer tweezers single edge razor bladetlat building board Saran Wrap similar Biloxi Norman OK 73071 Dallas TX flying sessions held Harry Stone Recreation Center Ferguson & Milmar Dallas TX 1 pm 5 pm second Saturday month Com mon activities HLG Easy B Pennyplane scale models Bud Tenny PO Box 545 Richardson TX 75080 Drill Chuck Ministarter Convert Ministarter drill griding tool use field shop 12V pow ered addition chuck attach ment 3-jaw Jacobs chuck able handle drill sizes up / Dremel Black & Decker rotary rasps Astro Flight Inc 13377 Beach Ave Venice CA 90291 product review product review product review Name Address ______________G..........Slale.....Zli Wings Over Skyland/Brown continued page 39 example cutting leading trailing edges angle meet prop erly wing tip Elmers glue used since crafts shops loaded marking pens employed added decoration Finally fleet about 35 HIAA Flyers ready go flying site chosen top 20-foot-high steep embankment over looking field big enough tennis court used chicken wire fence ran along far side keep tennis balls out woods below plan girls line up along bank cameraman Murphy down low signal everyone would FLY Well best laid plans. etcetera Unfortunately no told girls airplanes launched gently tried star baseball pitchers Needless say air filled airplanes going direction once Things im proved subsequent launches course good flights finally resulted real tragedy occurred Lab Retriever camp mascot got loose brought back Cub rather mashed condition Several girls really became interested making better flights next few days ex perimented airplanes March1979 111 STERLING MODELS 0 ST PHILA PA 19134 no Oral, avaIlable d,ct odesanuepted t0 ddltoOOi ctrage huadling otnppng lflt mlnlmon U 5 St 25 mInImum outed US 2 Catalog ot entire tine nt aIrplane enotrol 10 moOn flit P C scalr Truer, flIts boat model flit aucessorlns eto 500 encloSed -5eorets Model A,ptne Autdng tnclodlng desIgn constrortlno eoeertng tInIsIseg ttnlOg adlastlng ssntnl snstoms etc 250 OO 1034 O Secrets nI Control LIne Cario rI,g Including pretlgtlI aotong stunting Carrie rote regolatlons Carrie tlnng 0015 control tine lostallatlon nsttocttOna 250 enulosed Otrerfia Onte U 5 wooer orders ru,rncn accepted product review product review product review
Edition: Model Aviation - 1979/03
Page Numbers: 68, 111
Free Flight. Indoor BudTenny FEEDBACK Welcome Jerry Bockius Colchester CT has gently chided over couple things reported past issue about contests held George Armstead Glastonbury CT set record straight special classes flown Glastonbury meets Old Timer Gas Scale Entries event rubber-powered scale replicas pioneer ing gas models Jerrys point maximum span class 24 Peanut Scale size reported Jerry also furnished winners names 0 TURNS FIG 1 recent contest Bert Baileys replica Miss America placed first Royal Moore placed second model shown photo No ID available model perhaps someone else can identify Jerry Bockius also requested clarifica tion changeover torque discussed Feb 77 column So lets try way fully wound indoor model light weight duration models might have 06 inch-ounces torque launch thing except Pennyplane big AMA 300 maximum legal wing area AMA competition much torque very high power Because models trim doesnt change unless flight loading rubber tension distorts model torque excess required level flight causes model speed up climb time model has stopped climb ing levelled out torque will have dropped about 02 inch ounces value will vary model motor size has properly chosen level flight torque will knee torque curve shown Fig model climbing launch torque stopped climbing torque reached level flight torque rest flight model will very slowly descending adjusted properly some torque lower level flight torque B example energy will required keep prop actively pulling available prop stops pulling enough model slows down due prop drag maintain airspeed models nose drops enough put model shallow dive model pushing prop keep rmp high enough minimize drag torque falls below critical changeover torque value motor said deadstick reminds another im portant point about trimming indoor models maximum duration havior properly trimmed indoor model motor reaches change over torque clearcut Before model flying slightly nose-high prop rpm same has several minutes nose drops visibly model begins come down too much up-trim descent will slightly unsteady calm air model may stall slightly changeover torque reached too little up-trim under-elevated Continued page 111 68 Model Aviation Royall Gee Bee Moore took second Old Timer gas scale event model yeah course its rubber Can guess pioneer gassie Jerry Bockius pic told someones revolutionary new prop youd prob ably buy Actually Dick Pearsalls remarkable photo enlargement damsel fly wingprovocative example natures microfilm Simple effective rundown stand Thickness post trimmed give slight friction fit between clamp pieces motorstick Tenny plc fuselage constant diameter front 15 inches straight taper over remaining 34 inches 7/16-in diameter rear custom sizes request sizes fuselages summarized table care try contact Bob Mattes Sales 3042 Willow Wood Road Saint Charles Mis souri 63301 Remember include five bucks postage handling order Bob Meuser 4200 Gregory St. Oak land CA 94619 FF Indoor/Tenny continued page 68 model lead sled way down level flight torque average prop rmp will too high Practice flying model until can recognize underor over-elevation count rpm often enough know too high Any has flown much can recount least lost trophy because carelessly ignored too-high rpm underelevated model subtle symptoms over-elevation robs time allowing model mush settle nose-high attitude power required keep model flying changeover torque reached earlier flight Nature Does Better gossamer beauty photo damsel-fly wing Richard Pearsall San Francisco CA describes wing photo tech niques such beautiful structure thought readers would like see Nature designed microfilm propeller/wing photo made placing wing between two glass slides placed head photographic enlarger piece F2 paper exposed about three seconds real life wing about inch long Chances Visit Fly Glastonbury CT contests have scheduled see discussion above Glastonbury High School Gym Times 8 am 5 pm Feb 18 Apr 22 1979 two meets have WW Peanut combat WW II combat Flying Aces Scale others besides previously discussed Old Timer Gas Scale Contact George Armstead Box 514 Glastonbury CT 06033 details Down South Sooner Free Flight Society Oklahoma City OK area holding winter series National Guard Armory Oklahoma City meets Jan 21 Feb 18 Mar 18 1979 Armory 200 NE 23rd St Oklahoma City 9 am 5 pm meets feature HLG Pennyplane Easy B Peanut Scale AMA Scale Contact Al Bissonnette 6238 SE 15th Midwest City OK 73110 Bob Loeffler 143A Peanut Scale Peanut Scale models rubber powered lying models scaled trom real aireralt span strictly limited 13 may tlown indoors outdoors Sterling Peanuts tun build tun tIp Designed experts ore remark ably realistic appearance great tlyers material required kit br models except glue & dope paint addition need pliers straight pins hammer tweezers single edge razor bladetlat building board Saran Wrap similar Biloxi Norman OK 73071 Dallas TX flying sessions held Harry Stone Recreation Center Ferguson & Milmar Dallas TX 1 pm 5 pm second Saturday month Com mon activities HLG Easy B Pennyplane scale models Bud Tenny PO Box 545 Richardson TX 75080 Drill Chuck Ministarter Convert Ministarter drill griding tool use field shop 12V pow ered addition chuck attach ment 3-jaw Jacobs chuck able handle drill sizes up / Dremel Black & Decker rotary rasps Astro Flight Inc 13377 Beach Ave Venice CA 90291 product review product review product review Name Address ______________G..........Slale.....Zli Wings Over Skyland/Brown continued page 39 example cutting leading trailing edges angle meet prop erly wing tip Elmers glue used since crafts shops loaded marking pens employed added decoration Finally fleet about 35 HIAA Flyers ready go flying site chosen top 20-foot-high steep embankment over looking field big enough tennis court used chicken wire fence ran along far side keep tennis balls out woods below plan girls line up along bank cameraman Murphy down low signal everyone would FLY Well best laid plans. etcetera Unfortunately no told girls airplanes launched gently tried star baseball pitchers Needless say air filled airplanes going direction once Things im proved subsequent launches course good flights finally resulted real tragedy occurred Lab Retriever camp mascot got loose brought back Cub rather mashed condition Several girls really became interested making better flights next few days ex perimented airplanes March1979 111 STERLING MODELS 0 ST PHILA PA 19134 no Oral, avaIlable d,ct odesanuepted t0 ddltoOOi ctrage huadling otnppng lflt mlnlmon U 5 St 25 mInImum outed US 2 Catalog ot entire tine nt aIrplane enotrol 10 moOn flit P C scalr Truer, flIts boat model flit aucessorlns eto 500 encloSed -5eorets Model A,ptne Autdng tnclodlng desIgn constrortlno eoeertng tInIsIseg ttnlOg adlastlng ssntnl snstoms etc 250 OO 1034 O Secrets nI Control LIne Cario rI,g Including pretlgtlI aotong stunting Carrie rote regolatlons Carrie tlnng 0015 control tine lostallatlon nsttocttOna 250 enulosed Otrerfia Onte U 5 wooer orders ru,rncn accepted product review product review product review