Free Flight Indoor Bud Tenny NFFS AWARDS year National Free Flight Society singles out several persons models special recognition follow ing persons nominated Free Flight Hall Fame 1987 Vic Cunnyngham Sr Dr John Martin Jr Walt Mooney James Patterson Charlie Werle Don Zipoy special interest Indoor fliers nomina tions Doc Martin Walt Mooney John Martin nominated words Recognized leader promotion Peanut Scale activity initiator Peanut Grand Prix all-around coordinator Indoor activity Florida area Walt Mooneys nomination read prolific designer documenter Rubber Peanut Scale models think Peanut Scale automatically think Mooney ap plaud both selections both gentle men outstanding respective areas activity Indoor Model Year Jerry Nolins Serendipity EZB model holds AMA Category IV Easy B Open record won Easy B 1986 US Indoor Champs Niagara Falls decision committee very hard two other very good nomi nations newsletters Ornithopter Modelers Society has interesting newsletter published Roy White Rt 1 Box 241 Catawissa MO 63015 interested Ornithopters Society needs Membership dues $7 per year drop Roy note details Spring issue Flapper Facts features article about Ornithopter experimentation Dipl-Ing FH Horst Handier article translated original German Walter Erbach Two Ornithopter plans other interesting items fill out issue Hangar Rash newsletter Denver Area Indoor Model Airplane Association editor John Berryman 1866 5 Sedalia Circle Aurora CO 80017 cost $5 per year El Torbellino published Howard Haupt 3860 Ecochee Ave San Diego CA 92117 San Diego Orbiteers cost $10 yearly may remember Orbiteers actively inventing new kinds fun models time goal besides having fun often class brings new fliers fold have successful respected FF clubs country Site surveys couple columns back requested site information sent since hope compile new list active Indoor sites Les Shaw Denver Area Indoor Model Airplane Association first date respondent DAIMAA site Balch Field House University Colorado site facts 48-ft Cat II ceiling MULTI-PURPOSS STAND FIgure 2 Multipurpose stand widely ad justable utility CROSSED PINS dirty rafters scoreboard 50 x 200 ft floor area ceiling least 40 ft high Total floor area 100 x 200 ft three basketball courts side side Conditions normally drafty microfilm entirely acceptable other models sites main virtue available 12 13 times year no cost Les rates best site available information about flying Continued page 173 JIS SUE SOCKET FUSELAGE CRADLE FIgure 1 simple cradle makes all-purpose hoiderforthe fuselage during Installation bracingor during field repairs Dont leave home TAIL BOOM STAND Figure 3 Tail boom stand generalpurpose adjustable support July1987 75 Fleid repair broken tail boom aid fuselage cradle two multipurpose stands background Bud Tennypeeraciosely bracing wire being instalied Note use tall boom stand Linstrum photo rest flown back Germany end 1934 about 150 45s service primarily c d variants employed 750-hp BMW VI 73 engine As 1936 began Hem kels design probably com monly used Germanys military air planes 45s used training reconnaissance bombing flying test-bed engine installations summer 1936 saw last 45s go production total 512 built since Heinkel first introduced 70 come out designers own factory July 1936 civil war broke out Spain Germany opportunistically sprang test its new airplanes tactics action first units formed Condor LegionGermans fighting Spanish nationalists supposed civilians reconnaissance squadron six 45c planes March 1937 Spanish Na tionalist air force units deploying still Heinkels c bombers strafing bombing reconnaissance total 40 saw action Spains war although Heinkel 45s gradually replaced higher-performance Henschel Hs-1 26s meantime back Germany 45s used 12 reconnaissance units formed 1937 However progress aviation dooming old biplane Preempted monoplanes larger en gines better streamlining 45 become vanishing breed time Germany attacked Poland September 1939 time number 45s seeing action shrunk about dozen Yet few years later throughout terrible fighting winter 1942-43 45 brought out semi-retire ment brief flare action fall year Germany had shortage planes suitable nighttime harassing raidsagainst front-line troops time ally Soviet Union Several units 45s formed Rossoch river Don route German army toward Stalingrad During long winter then-obsolete warplanes carried 110lb 154-lb incendiary fragmen tation bombs before being retired good following spring Thus ironic quirk fate warplane begun its career under friendly Soviet mantle flew its last actions decade later slipped across Russian lines night attack members army once trained FF Indoor/Tenny Continued page 75 dates contact Les 995 Mclntire St Boulder CO 80303 phone 303 499-0946 about other guys Tell us about site Flying updates Santa Ana hangar venue Tustin Indoor Model Airplane Club has slightly modified July 4 weekend meet will FAI regional meet full motors addition Labor Day meet will FAI team-selection finals International meet Contest Flemalle Belgium International Indoor event proxy entries invited will held August 1987 details contact F L Van Hauwaert 1 Grand Place Box 524110 Flemalle Belgium Announcement courtesy Bill Hannans Outreach Sheet get order stuff Bill Hannan PO Box Escondido CA 92025 Oakland Cloud Dusters arise Any ex-member Cloud Dusters anyone knowing locate ex-members requested contact George Xenakis 1288 Oak Knoll Drive San Jose CA 95129 phone 408 996-0650 Cloud Dusters holding fiftieth anniversary banquet Saturday evening June 13 1987 Shenanigans Restaurant Oakland CA Hand-Launched Glider tips seldom get feedback info tips IHLG fliers hasnt anything column However have few own listen up discouraging things can see almost perfectly-trimmed IHLG breaking glide tiny stall damps out quickly after losing couple feet altitude Check wings slight warp especially near tip should have equal slight washout negative angie attack both tips What happens minor turbulence causes tip stall slightly breaking glide path Glider should coming slightly nosehigh minimum sink rate kind stall deadly does model lose altitude takes get back step again same reason never warp tip trailing edge down try control turn Tip weight stab tilt rudder can used Just remember Turn generated stab tilt essentially independent model speed tip weight nearly Rudder adjustment very speed-dependent model slows up get step may lose turn stall bracing promised discuss both bracing special bracing setup time certain other concerns have eaten up lot space lot personal time So lets hold bracing theme just examine bracing fixture use field repair complete rig consists fuselage cradle Figure 1 two multiptirpose stands Figure 2 tail boom stand Figure 3 four parts allow install kind wing tail bracing almost size model will see next time Since rig modular will fit very reasonably sized box can take along contest field repair needed limits model size dictated distance between vertical wires Figure 2 distance should least longer widest wing chord expect have height length vertical wires stand must enough raise section wing high need during bracing will see next time big stands set eight inches top wires 7Y2 between wires stand 10 tall 9 wide should accommodate fattest FAI wings work almost size Indoor Stick brave enough build photos shows stands use field repairnote gap built-up tail boom work surface needs fairly flat case FAI model box stands cradle have fastened down dead $1400 U m U battery U U pack. U U .a dead $30000 airplane prevent this. Voltmaster sophisticated precision voltmeter accurate expensive laboratory unit can confident readings gives true Unique features include -Four voltage ranges -Load Engage switch important determining cell condition -Load Status switch two different loads 200 ma 500 ma 26K18 Voltruaster Kit$2795 26K18C Voltmaster Asbld$3795 r k y"- --- first must order direct Astage handling Iiqme catalog $200I II I IPOBw511CUHggmsvdtc Mo L.rnu.rnm uly1987 173 Send SSAE ton catalo0 sheet nor complete line MACHINE SHOP SUPPLIES ING MACNINES LATHES BLUtA1kE S []o/ MACHINORY AND tOOLS INCPer n WV2002e304002 3030CnIng 0100 Avianlon IICMedelr SPECIAL MEl 104gb PHE drIve bole Save Over H AMERICAN AIRCRAFT MUSEUM GUIDE WhatWhere 1987 Edition MORE $975 US Postage Paid Checks MOs BrucelBeeson Publishers 2428 East 86th Place Tulsa OK 74105 masking tape model parts laid place rear boom segment longer tail boom stand might have required support front end careful adjustment height position raw ends boom mated repaired whole process repair including setup stands took about 20 minutes Incidentally because built-up boom could repaired precisely model trim still right after repair Another photo shows installing tail bracing using tail boom stand stabilize boom reduce handling stress Next time bracing schemes promise Bud Tenny PO Box 545 Richardson TX 75080 FF Duration/St Jean Continued page 77 fliers could safely make two-minute flights best field available within 100-mile radius homes Should formulate new rules toy once again solve shrinking-FE-field problem need Category IV one-minute limit maybe Category V 30-second limit order contain models smallest fields Are categories type approach better way solve problem wish get new people EF Gas making attractive could done currently three field categories FE Gas times five size-classes times three age groups times two launching mediums HL ROW equais 90 records AMA keep track Isnt overly complicated especially view decreased interest FE Gas recent decades What would appropriate engine run 30-second limit Perhaps two seconds Use second flyoffs really want add another 60 slots record book Consider will totaily different alter native current method coping small-field problem Suppose instead went concept best measure FE Gas models performance ratio flight time divided engine-run time would numerically equivalent climb/glide ratio plus would easier calculate no subtraction would needed just division accomplished few seconds aid least-expensive pocket calculator Inexpensive watches also now available job can shut down end engine run accurate reading affecting measurement total time timer would record both engine run total time flight total-time/engine-run ratio would calculated official handling flight cards Finally average three still clinging three-official-flights concept flight-ratios would taken contestants final score event surface would appear just different way compute FE Gas flight scores however takes time analyze implications doing way. Please con sider following 1 would no longer need three four number separate flight-limit categories would job quite nicely would no penalty short flights fit small fields long engine runs correspondingly short ship will 180 seconds 10-second engine run should about 90 seconds five-second run scores would same 1800 case Conversely field wind should allow could score same 30-second run nine-minute flight 540 seconds 2 Contest Director must now declare contest Category II III before start competition Once started no changes category may made Ear West mornings calm afternoons windy Conceivably could use Small field Category until wind came up switch II 111but permitted suggested scoring method such ad justments changing wind conditions would automatic would made contest antsnot CD 3 Current rules favor marathonsfive 10 15 flights sometimes being required win suggested scoring method result division carried two decimal places ties would occur infrequently could broken using best poorest score three flights recognize suggested scoring method vastly different used during past half-century would require some getting used several questions come up Some questions will addressed below Qi should wish have 50 years tradition dumped different method scoring Al First doing would give greater relief flying smallest fields No longer would CD have guess what worst wind conditions would during day picking fixed competition category Instead would done contestants would lower engine runs thereby lowering flight times wind picked up would want such way keep models sight within available field Second fields under some conditions too small two-minute flight conditions came up fliers themselves could adjust shortening engine runs thereby reduce flight times degree needed keep losing models Third some modelers enjoy longer engine runs flights conditions permitted could have restructuring competition did preferred short engine runs flights could exercise preference tooboth under same rules As fourth consideration making change would reduce AMA Gas Head quarters record-homologation efforts onethird what present fifth point sophisticated costly often troublesome engine timers now re quired competitive nine-second engine run allowed get eight seconds Im handicapping myself 11% ratio scoring outlined would no such handicap fact may need timer fuel control alone being accurate enough Finally flyoff marathons would cease would no longer several ties due fliers achieving three mazes Thus contests could end sooner fliers could compete events instead being stuck marathon sake wioming single event would increase both competition entry fees QZ about delayed flights Would 40 seconds less still constitute attempt A2 No 40-second cutoff would no longer applicable would too long short flights too short long flights would suggest score 200 lower constitute delayed flight would retain same relationship traditional 40 seconds didto 20-second engine run Q3 seems despite ratio idea would chance losing models just win contest Lets say example field conditions such must get qulte high get lift strategy would use 20-second engine run get lift would require eight-minute flight get good score 2400 estimate ship could stay sight long would well off field Im willing take risks involved sol go A3 point well-taken want rules help prevent loss damage models some extra precautions order Id suggest rule book give CD authority spell out field rules needed solve type problem before happens such possibility OOS flights scored zero least made delayed flights should prob ably written rule book better example such field rule would something like flights terminating lake forest over fence residential district mountain swamp tree Kitty Litter factory etc shall scored zero Would provisions like succeed encouraging keep model within boundaries field Except OOS flights such field rules should option CD order best adjust rules local conditions temperaments 174 Model Aviation PUAUW DIESELS Englands Finest 049 35 R/C STD Send $100 list Eric Clutton 913 Cedar Lane Tullahoma Tenn 37388 UILD YOUR HELl TEST YOUR HELl AIR YOUR H ehighton Pa 18235 WRITE OR CALL FOR INFORMATION
Edition: Model Aviation - 1987/07
Page Numbers: 75, 173, 174
Free Flight Indoor Bud Tenny NFFS AWARDS year National Free Flight Society singles out several persons models special recognition follow ing persons nominated Free Flight Hall Fame 1987 Vic Cunnyngham Sr Dr John Martin Jr Walt Mooney James Patterson Charlie Werle Don Zipoy special interest Indoor fliers nomina tions Doc Martin Walt Mooney John Martin nominated words Recognized leader promotion Peanut Scale activity initiator Peanut Grand Prix all-around coordinator Indoor activity Florida area Walt Mooneys nomination read prolific designer documenter Rubber Peanut Scale models think Peanut Scale automatically think Mooney ap plaud both selections both gentle men outstanding respective areas activity Indoor Model Year Jerry Nolins Serendipity EZB model holds AMA Category IV Easy B Open record won Easy B 1986 US Indoor Champs Niagara Falls decision committee very hard two other very good nomi nations newsletters Ornithopter Modelers Society has interesting newsletter published Roy White Rt 1 Box 241 Catawissa MO 63015 interested Ornithopters Society needs Membership dues $7 per year drop Roy note details Spring issue Flapper Facts features article about Ornithopter experimentation Dipl-Ing FH Horst Handier article translated original German Walter Erbach Two Ornithopter plans other interesting items fill out issue Hangar Rash newsletter Denver Area Indoor Model Airplane Association editor John Berryman 1866 5 Sedalia Circle Aurora CO 80017 cost $5 per year El Torbellino published Howard Haupt 3860 Ecochee Ave San Diego CA 92117 San Diego Orbiteers cost $10 yearly may remember Orbiteers actively inventing new kinds fun models time goal besides having fun often class brings new fliers fold have successful respected FF clubs country Site surveys couple columns back requested site information sent since hope compile new list active Indoor sites Les Shaw Denver Area Indoor Model Airplane Association first date respondent DAIMAA site Balch Field House University Colorado site facts 48-ft Cat II ceiling MULTI-PURPOSS STAND FIgure 2 Multipurpose stand widely ad justable utility CROSSED PINS dirty rafters scoreboard 50 x 200 ft floor area ceiling least 40 ft high Total floor area 100 x 200 ft three basketball courts side side Conditions normally drafty microfilm entirely acceptable other models sites main virtue available 12 13 times year no cost Les rates best site available information about flying Continued page 173 JIS SUE SOCKET FUSELAGE CRADLE FIgure 1 simple cradle makes all-purpose hoiderforthe fuselage during Installation bracingor during field repairs Dont leave home TAIL BOOM STAND Figure 3 Tail boom stand generalpurpose adjustable support July1987 75 Fleid repair broken tail boom aid fuselage cradle two multipurpose stands background Bud Tennypeeraciosely bracing wire being instalied Note use tall boom stand Linstrum photo rest flown back Germany end 1934 about 150 45s service primarily c d variants employed 750-hp BMW VI 73 engine As 1936 began Hem kels design probably com monly used Germanys military air planes 45s used training reconnaissance bombing flying test-bed engine installations summer 1936 saw last 45s go production total 512 built since Heinkel first introduced 70 come out designers own factory July 1936 civil war broke out Spain Germany opportunistically sprang test its new airplanes tactics action first units formed Condor LegionGermans fighting Spanish nationalists supposed civilians reconnaissance squadron six 45c planes March 1937 Spanish Na tionalist air force units deploying still Heinkels c bombers strafing bombing reconnaissance total 40 saw action Spains war although Heinkel 45s gradually replaced higher-performance Henschel Hs-1 26s meantime back Germany 45s used 12 reconnaissance units formed 1937 However progress aviation dooming old biplane Preempted monoplanes larger en gines better streamlining 45 become vanishing breed time Germany attacked Poland September 1939 time number 45s seeing action shrunk about dozen Yet few years later throughout terrible fighting winter 1942-43 45 brought out semi-retire ment brief flare action fall year Germany had shortage planes suitable nighttime harassing raidsagainst front-line troops time ally Soviet Union Several units 45s formed Rossoch river Don route German army toward Stalingrad During long winter then-obsolete warplanes carried 110lb 154-lb incendiary fragmen tation bombs before being retired good following spring Thus ironic quirk fate warplane begun its career under friendly Soviet mantle flew its last actions decade later slipped across Russian lines night attack members army once trained FF Indoor/Tenny Continued page 75 dates contact Les 995 Mclntire St Boulder CO 80303 phone 303 499-0946 about other guys Tell us about site Flying updates Santa Ana hangar venue Tustin Indoor Model Airplane Club has slightly modified July 4 weekend meet will FAI regional meet full motors addition Labor Day meet will FAI team-selection finals International meet Contest Flemalle Belgium International Indoor event proxy entries invited will held August 1987 details contact F L Van Hauwaert 1 Grand Place Box 524110 Flemalle Belgium Announcement courtesy Bill Hannans Outreach Sheet get order stuff Bill Hannan PO Box Escondido CA 92025 Oakland Cloud Dusters arise Any ex-member Cloud Dusters anyone knowing locate ex-members requested contact George Xenakis 1288 Oak Knoll Drive San Jose CA 95129 phone 408 996-0650 Cloud Dusters holding fiftieth anniversary banquet Saturday evening June 13 1987 Shenanigans Restaurant Oakland CA Hand-Launched Glider tips seldom get feedback info tips IHLG fliers hasnt anything column However have few own listen up discouraging things can see almost perfectly-trimmed IHLG breaking glide tiny stall damps out quickly after losing couple feet altitude Check wings slight warp especially near tip should have equal slight washout negative angie attack both tips What happens minor turbulence causes tip stall slightly breaking glide path Glider should coming slightly nosehigh minimum sink rate kind stall deadly does model lose altitude takes get back step again same reason never warp tip trailing edge down try control turn Tip weight stab tilt rudder can used Just remember Turn generated stab tilt essentially independent model speed tip weight nearly Rudder adjustment very speed-dependent model slows up get step may lose turn stall bracing promised discuss both bracing special bracing setup time certain other concerns have eaten up lot space lot personal time So lets hold bracing theme just examine bracing fixture use field repair complete rig consists fuselage cradle Figure 1 two multiptirpose stands Figure 2 tail boom stand Figure 3 four parts allow install kind wing tail bracing almost size model will see next time Since rig modular will fit very reasonably sized box can take along contest field repair needed limits model size dictated distance between vertical wires Figure 2 distance should least longer widest wing chord expect have height length vertical wires stand must enough raise section wing high need during bracing will see next time big stands set eight inches top wires 7Y2 between wires stand 10 tall 9 wide should accommodate fattest FAI wings work almost size Indoor Stick brave enough build photos shows stands use field repairnote gap built-up tail boom work surface needs fairly flat case FAI model box stands cradle have fastened down dead $1400 U m U battery U U pack. U U .a dead $30000 airplane prevent this. Voltmaster sophisticated precision voltmeter accurate expensive laboratory unit can confident readings gives true Unique features include -Four voltage ranges -Load Engage switch important determining cell condition -Load Status switch two different loads 200 ma 500 ma 26K18 Voltruaster Kit$2795 26K18C Voltmaster Asbld$3795 r k y"- --- first must order direct Astage handling Iiqme catalog $200I II I IPOBw511CUHggmsvdtc Mo L.rnu.rnm uly1987 173 Send SSAE ton catalo0 sheet nor complete line MACHINE SHOP SUPPLIES ING MACNINES LATHES BLUtA1kE S []o/ MACHINORY AND tOOLS INCPer n WV2002e304002 3030CnIng 0100 Avianlon IICMedelr SPECIAL MEl 104gb PHE drIve bole Save Over H AMERICAN AIRCRAFT MUSEUM GUIDE WhatWhere 1987 Edition MORE $975 US Postage Paid Checks MOs BrucelBeeson Publishers 2428 East 86th Place Tulsa OK 74105 masking tape model parts laid place rear boom segment longer tail boom stand might have required support front end careful adjustment height position raw ends boom mated repaired whole process repair including setup stands took about 20 minutes Incidentally because built-up boom could repaired precisely model trim still right after repair Another photo shows installing tail bracing using tail boom stand stabilize boom reduce handling stress Next time bracing schemes promise Bud Tenny PO Box 545 Richardson TX 75080 FF Duration/St Jean Continued page 77 fliers could safely make two-minute flights best field available within 100-mile radius homes Should formulate new rules toy once again solve shrinking-FE-field problem need Category IV one-minute limit maybe Category V 30-second limit order contain models smallest fields Are categories type approach better way solve problem wish get new people EF Gas making attractive could done currently three field categories FE Gas times five size-classes times three age groups times two launching mediums HL ROW equais 90 records AMA keep track Isnt overly complicated especially view decreased interest FE Gas recent decades What would appropriate engine run 30-second limit Perhaps two seconds Use second flyoffs really want add another 60 slots record book Consider will totaily different alter native current method coping small-field problem Suppose instead went concept best measure FE Gas models performance ratio flight time divided engine-run time would numerically equivalent climb/glide ratio plus would easier calculate no subtraction would needed just division accomplished few seconds aid least-expensive pocket calculator Inexpensive watches also now available job can shut down end engine run accurate reading affecting measurement total time timer would record both engine run total time flight total-time/engine-run ratio would calculated official handling flight cards Finally average three still clinging three-official-flights concept flight-ratios would taken contestants final score event surface would appear just different way compute FE Gas flight scores however takes time analyze implications doing way. Please con sider following 1 would no longer need three four number separate flight-limit categories would job quite nicely would no penalty short flights fit small fields long engine runs correspondingly short ship will 180 seconds 10-second engine run should about 90 seconds five-second run scores would same 1800 case Conversely field wind should allow could score same 30-second run nine-minute flight 540 seconds 2 Contest Director must now declare contest Category II III before start competition Once started no changes category may made Ear West mornings calm afternoons windy Conceivably could use Small field Category until wind came up switch II 111but permitted suggested scoring method such ad justments changing wind conditions would automatic would made contest antsnot CD 3 Current rules favor marathonsfive 10 15 flights sometimes being required win suggested scoring method result division carried two decimal places ties would occur infrequently could broken using best poorest score three flights recognize suggested scoring method vastly different used during past half-century would require some getting used several questions come up Some questions will addressed below Qi should wish have 50 years tradition dumped different method scoring Al First doing would give greater relief flying smallest fields No longer would CD have guess what worst wind conditions would during day picking fixed competition category Instead would done contestants would lower engine runs thereby lowering flight times wind picked up would want such way keep models sight within available field Second fields under some conditions too small two-minute flight conditions came up fliers themselves could adjust shortening engine runs thereby reduce flight times degree needed keep losing models Third some modelers enjoy longer engine runs flights conditions permitted could have restructuring competition did preferred short engine runs flights could exercise preference tooboth under same rules As fourth consideration making change would reduce AMA Gas Head quarters record-homologation efforts onethird what present fifth point sophisticated costly often troublesome engine timers now re quired competitive nine-second engine run allowed get eight seconds Im handicapping myself 11% ratio scoring outlined would no such handicap fact may need timer fuel control alone being accurate enough Finally flyoff marathons would cease would no longer several ties due fliers achieving three mazes Thus contests could end sooner fliers could compete events instead being stuck marathon sake wioming single event would increase both competition entry fees QZ about delayed flights Would 40 seconds less still constitute attempt A2 No 40-second cutoff would no longer applicable would too long short flights too short long flights would suggest score 200 lower constitute delayed flight would retain same relationship traditional 40 seconds didto 20-second engine run Q3 seems despite ratio idea would chance losing models just win contest Lets say example field conditions such must get qulte high get lift strategy would use 20-second engine run get lift would require eight-minute flight get good score 2400 estimate ship could stay sight long would well off field Im willing take risks involved sol go A3 point well-taken want rules help prevent loss damage models some extra precautions order Id suggest rule book give CD authority spell out field rules needed solve type problem before happens such possibility OOS flights scored zero least made delayed flights should prob ably written rule book better example such field rule would something like flights terminating lake forest over fence residential district mountain swamp tree Kitty Litter factory etc shall scored zero Would provisions like succeed encouraging keep model within boundaries field Except OOS flights such field rules should option CD order best adjust rules local conditions temperaments 174 Model Aviation PUAUW DIESELS Englands Finest 049 35 R/C STD Send $100 list Eric Clutton 913 Cedar Lane Tullahoma Tenn 37388 UILD YOUR HELl TEST YOUR HELl AIR YOUR H ehighton Pa 18235 WRITE OR CALL FOR INFORMATION
Edition: Model Aviation - 1987/07
Page Numbers: 75, 173, 174
Free Flight Indoor Bud Tenny NFFS AWARDS year National Free Flight Society singles out several persons models special recognition follow ing persons nominated Free Flight Hall Fame 1987 Vic Cunnyngham Sr Dr John Martin Jr Walt Mooney James Patterson Charlie Werle Don Zipoy special interest Indoor fliers nomina tions Doc Martin Walt Mooney John Martin nominated words Recognized leader promotion Peanut Scale activity initiator Peanut Grand Prix all-around coordinator Indoor activity Florida area Walt Mooneys nomination read prolific designer documenter Rubber Peanut Scale models think Peanut Scale automatically think Mooney ap plaud both selections both gentle men outstanding respective areas activity Indoor Model Year Jerry Nolins Serendipity EZB model holds AMA Category IV Easy B Open record won Easy B 1986 US Indoor Champs Niagara Falls decision committee very hard two other very good nomi nations newsletters Ornithopter Modelers Society has interesting newsletter published Roy White Rt 1 Box 241 Catawissa MO 63015 interested Ornithopters Society needs Membership dues $7 per year drop Roy note details Spring issue Flapper Facts features article about Ornithopter experimentation Dipl-Ing FH Horst Handier article translated original German Walter Erbach Two Ornithopter plans other interesting items fill out issue Hangar Rash newsletter Denver Area Indoor Model Airplane Association editor John Berryman 1866 5 Sedalia Circle Aurora CO 80017 cost $5 per year El Torbellino published Howard Haupt 3860 Ecochee Ave San Diego CA 92117 San Diego Orbiteers cost $10 yearly may remember Orbiteers actively inventing new kinds fun models time goal besides having fun often class brings new fliers fold have successful respected FF clubs country Site surveys couple columns back requested site information sent since hope compile new list active Indoor sites Les Shaw Denver Area Indoor Model Airplane Association first date respondent DAIMAA site Balch Field House University Colorado site facts 48-ft Cat II ceiling MULTI-PURPOSS STAND FIgure 2 Multipurpose stand widely ad justable utility CROSSED PINS dirty rafters scoreboard 50 x 200 ft floor area ceiling least 40 ft high Total floor area 100 x 200 ft three basketball courts side side Conditions normally drafty microfilm entirely acceptable other models sites main virtue available 12 13 times year no cost Les rates best site available information about flying Continued page 173 JIS SUE SOCKET FUSELAGE CRADLE FIgure 1 simple cradle makes all-purpose hoiderforthe fuselage during Installation bracingor during field repairs Dont leave home TAIL BOOM STAND Figure 3 Tail boom stand generalpurpose adjustable support July1987 75 Fleid repair broken tail boom aid fuselage cradle two multipurpose stands background Bud Tennypeeraciosely bracing wire being instalied Note use tall boom stand Linstrum photo rest flown back Germany end 1934 about 150 45s service primarily c d variants employed 750-hp BMW VI 73 engine As 1936 began Hem kels design probably com monly used Germanys military air planes 45s used training reconnaissance bombing flying test-bed engine installations summer 1936 saw last 45s go production total 512 built since Heinkel first introduced 70 come out designers own factory July 1936 civil war broke out Spain Germany opportunistically sprang test its new airplanes tactics action first units formed Condor LegionGermans fighting Spanish nationalists supposed civilians reconnaissance squadron six 45c planes March 1937 Spanish Na tionalist air force units deploying still Heinkels c bombers strafing bombing reconnaissance total 40 saw action Spains war although Heinkel 45s gradually replaced higher-performance Henschel Hs-1 26s meantime back Germany 45s used 12 reconnaissance units formed 1937 However progress aviation dooming old biplane Preempted monoplanes larger en gines better streamlining 45 become vanishing breed time Germany attacked Poland September 1939 time number 45s seeing action shrunk about dozen Yet few years later throughout terrible fighting winter 1942-43 45 brought out semi-retire ment brief flare action fall year Germany had shortage planes suitable nighttime harassing raidsagainst front-line troops time ally Soviet Union Several units 45s formed Rossoch river Don route German army toward Stalingrad During long winter then-obsolete warplanes carried 110lb 154-lb incendiary fragmen tation bombs before being retired good following spring Thus ironic quirk fate warplane begun its career under friendly Soviet mantle flew its last actions decade later slipped across Russian lines night attack members army once trained FF Indoor/Tenny Continued page 75 dates contact Les 995 Mclntire St Boulder CO 80303 phone 303 499-0946 about other guys Tell us about site Flying updates Santa Ana hangar venue Tustin Indoor Model Airplane Club has slightly modified July 4 weekend meet will FAI regional meet full motors addition Labor Day meet will FAI team-selection finals International meet Contest Flemalle Belgium International Indoor event proxy entries invited will held August 1987 details contact F L Van Hauwaert 1 Grand Place Box 524110 Flemalle Belgium Announcement courtesy Bill Hannans Outreach Sheet get order stuff Bill Hannan PO Box Escondido CA 92025 Oakland Cloud Dusters arise Any ex-member Cloud Dusters anyone knowing locate ex-members requested contact George Xenakis 1288 Oak Knoll Drive San Jose CA 95129 phone 408 996-0650 Cloud Dusters holding fiftieth anniversary banquet Saturday evening June 13 1987 Shenanigans Restaurant Oakland CA Hand-Launched Glider tips seldom get feedback info tips IHLG fliers hasnt anything column However have few own listen up discouraging things can see almost perfectly-trimmed IHLG breaking glide tiny stall damps out quickly after losing couple feet altitude Check wings slight warp especially near tip should have equal slight washout negative angie attack both tips What happens minor turbulence causes tip stall slightly breaking glide path Glider should coming slightly nosehigh minimum sink rate kind stall deadly does model lose altitude takes get back step again same reason never warp tip trailing edge down try control turn Tip weight stab tilt rudder can used Just remember Turn generated stab tilt essentially independent model speed tip weight nearly Rudder adjustment very speed-dependent model slows up get step may lose turn stall bracing promised discuss both bracing special bracing setup time certain other concerns have eaten up lot space lot personal time So lets hold bracing theme just examine bracing fixture use field repair complete rig consists fuselage cradle Figure 1 two multiptirpose stands Figure 2 tail boom stand Figure 3 four parts allow install kind wing tail bracing almost size model will see next time Since rig modular will fit very reasonably sized box can take along contest field repair needed limits model size dictated distance between vertical wires Figure 2 distance should least longer widest wing chord expect have height length vertical wires stand must enough raise section wing high need during bracing will see next time big stands set eight inches top wires 7Y2 between wires stand 10 tall 9 wide should accommodate fattest FAI wings work almost size Indoor Stick brave enough build photos shows stands use field repairnote gap built-up tail boom work surface needs fairly flat case FAI model box stands cradle have fastened down dead $1400 U m U battery U U pack. U U .a dead $30000 airplane prevent this. Voltmaster sophisticated precision voltmeter accurate expensive laboratory unit can confident readings gives true Unique features include -Four voltage ranges -Load Engage switch important determining cell condition -Load Status switch two different loads 200 ma 500 ma 26K18 Voltruaster Kit$2795 26K18C Voltmaster Asbld$3795 r k y"- --- first must order direct Astage handling Iiqme catalog $200I II I IPOBw511CUHggmsvdtc Mo L.rnu.rnm uly1987 173 Send SSAE ton catalo0 sheet nor complete line MACHINE SHOP SUPPLIES ING MACNINES LATHES BLUtA1kE S []o/ MACHINORY AND tOOLS INCPer n WV2002e304002 3030CnIng 0100 Avianlon IICMedelr SPECIAL MEl 104gb PHE drIve bole Save Over H AMERICAN AIRCRAFT MUSEUM GUIDE WhatWhere 1987 Edition MORE $975 US Postage Paid Checks MOs BrucelBeeson Publishers 2428 East 86th Place Tulsa OK 74105 masking tape model parts laid place rear boom segment longer tail boom stand might have required support front end careful adjustment height position raw ends boom mated repaired whole process repair including setup stands took about 20 minutes Incidentally because built-up boom could repaired precisely model trim still right after repair Another photo shows installing tail bracing using tail boom stand stabilize boom reduce handling stress Next time bracing schemes promise Bud Tenny PO Box 545 Richardson TX 75080 FF Duration/St Jean Continued page 77 fliers could safely make two-minute flights best field available within 100-mile radius homes Should formulate new rules toy once again solve shrinking-FE-field problem need Category IV one-minute limit maybe Category V 30-second limit order contain models smallest fields Are categories type approach better way solve problem wish get new people EF Gas making attractive could done currently three field categories FE Gas times five size-classes times three age groups times two launching mediums HL ROW equais 90 records AMA keep track Isnt overly complicated especially view decreased interest FE Gas recent decades What would appropriate engine run 30-second limit Perhaps two seconds Use second flyoffs really want add another 60 slots record book Consider will totaily different alter native current method coping small-field problem Suppose instead went concept best measure FE Gas models performance ratio flight time divided engine-run time would numerically equivalent climb/glide ratio plus would easier calculate no subtraction would needed just division accomplished few seconds aid least-expensive pocket calculator Inexpensive watches also now available job can shut down end engine run accurate reading affecting measurement total time timer would record both engine run total time flight total-time/engine-run ratio would calculated official handling flight cards Finally average three still clinging three-official-flights concept flight-ratios would taken contestants final score event surface would appear just different way compute FE Gas flight scores however takes time analyze implications doing way. Please con sider following 1 would no longer need three four number separate flight-limit categories would job quite nicely would no penalty short flights fit small fields long engine runs correspondingly short ship will 180 seconds 10-second engine run should about 90 seconds five-second run scores would same 1800 case Conversely field wind should allow could score same 30-second run nine-minute flight 540 seconds 2 Contest Director must now declare contest Category II III before start competition Once started no changes category may made Ear West mornings calm afternoons windy Conceivably could use Small field Category until wind came up switch II 111but permitted suggested scoring method such ad justments changing wind conditions would automatic would made contest antsnot CD 3 Current rules favor marathonsfive 10 15 flights sometimes being required win suggested scoring method result division carried two decimal places ties would occur infrequently could broken using best poorest score three flights recognize suggested scoring method vastly different used during past half-century would require some getting used several questions come up Some questions will addressed below Qi should wish have 50 years tradition dumped different method scoring Al First doing would give greater relief flying smallest fields No longer would CD have guess what worst wind conditions would during day picking fixed competition category Instead would done contestants would lower engine runs thereby lowering flight times wind picked up would want such way keep models sight within available field Second fields under some conditions too small two-minute flight conditions came up fliers themselves could adjust shortening engine runs thereby reduce flight times degree needed keep losing models Third some modelers enjoy longer engine runs flights conditions permitted could have restructuring competition did preferred short engine runs flights could exercise preference tooboth under same rules As fourth consideration making change would reduce AMA Gas Head quarters record-homologation efforts onethird what present fifth point sophisticated costly often troublesome engine timers now re quired competitive nine-second engine run allowed get eight seconds Im handicapping myself 11% ratio scoring outlined would no such handicap fact may need timer fuel control alone being accurate enough Finally flyoff marathons would cease would no longer several ties due fliers achieving three mazes Thus contests could end sooner fliers could compete events instead being stuck marathon sake wioming single event would increase both competition entry fees QZ about delayed flights Would 40 seconds less still constitute attempt A2 No 40-second cutoff would no longer applicable would too long short flights too short long flights would suggest score 200 lower constitute delayed flight would retain same relationship traditional 40 seconds didto 20-second engine run Q3 seems despite ratio idea would chance losing models just win contest Lets say example field conditions such must get qulte high get lift strategy would use 20-second engine run get lift would require eight-minute flight get good score 2400 estimate ship could stay sight long would well off field Im willing take risks involved sol go A3 point well-taken want rules help prevent loss damage models some extra precautions order Id suggest rule book give CD authority spell out field rules needed solve type problem before happens such possibility OOS flights scored zero least made delayed flights should prob ably written rule book better example such field rule would something like flights terminating lake forest over fence residential district mountain swamp tree Kitty Litter factory etc shall scored zero Would provisions like succeed encouraging keep model within boundaries field Except OOS flights such field rules should option CD order best adjust rules local conditions temperaments 174 Model Aviation PUAUW DIESELS Englands Finest 049 35 R/C STD Send $100 list Eric Clutton 913 Cedar Lane Tullahoma Tenn 37388 UILD YOUR HELl TEST YOUR HELl AIR YOUR H ehighton Pa 18235 WRITE OR CALL FOR INFORMATION