RADIO CONTROL HELICOPTERS SEVERAL MONTHS ago joined electronics age got ISP Internet Service Provider gave E-mail address asked Model Aviation include E-mail address column readers could better stay touch going smoothly have received letters including questions comments what intended open communication know what readers interested can make column interesting However have few glitches time Ill get smart enough make work right now continue get mail starts off second time have written am just unable respond sender Im sure what happens mail dont get some sort black hole E-mail falls am accidentally deleting before read Whatever problem doesnt happen time does happen enough have concerned get mail times am unable send reply should no-brainer since button marked reply matically inserts senders address have type letter try send get several messages saying cant delivered some technical reason dont understand am still learning process E-mail stuff please bear send message dont get response within few days please resend still dont get reply make sure return address correct working previous issue mentioned installed OS 46 FX-H engine new Concept 46 VR helicopter what didnt mention nice set instructions accompanied engine experienced fliers rarely take time read directions know dont until engine some trouble starting engine getting run way wanted finally traced combination faulty glow plug not-so-fresh fuel worked up its full potential made balkyrunning engine So after taking few minutes break realized best approach what preach go back basics step-bystep approach make sure everything right making assumptions first things install new glow plug engine check out starter panel turn output down low attach glow plug start turning up power look element want get bright red-yellow glow burning out note position meter power knob Although meter has yellow-green-red arc show proper operating range plugs different can vary widely amount glow produce green band Insufficient power plug coUld cause engine hard start produce flooded engine requiring too much time starter what happened OS caused premature wear stock starter cone Since having basic problems new engine occurred to completely review techniques instructions provided engine Two instruction sheets provided OS engines first provides general instructions specifications including mounting glow plug fuel breaking care maintenance Although instructions recommend fuel 10- 30% nitro also recommend fuel least 18% lubricant Thats minimum would ever consider use fuel least 20% oil controversy about whether use castor 114 Model Aviation ept 46 VR preflight Petal Mfg radio tray keeps Futaba Z Hitec reinforced foam protects receiver battery packplenty position flying taking weight off hands room rest radio Delrin gears flexible landing gear Jerry Groves poses beautiful Miniature Aircraft Gasser Wind sock shows its perfect flying meticulously-kept Valkyrie field synthetic oil whatever choice make 20% instructions also recommend short break-in period first few flights run slightly rich setting A-open full power main needle valve Although prefer break engine bench have never needed since getting used new engine keeps hover general-flight mode few flights anyway second instruction sheet specific instructions setting adjusting carburetor quite extensive procedures techniques adjusting flow chart steps presented Christmas tree fashion two adjustments carburetor main idle needle valves although instructions refer idle needle valve Mixture Control Valve definitions have always thought main needle valve adjusted provide maximum power full throttle idle needle valve used adjust mixture idle part-throttle speeds However disagree instructions proceed adjusting new carburetor instructions go right adjustments idle needle valve get engine idling correctly adjusting main needle valve full power differ slightly main needle valve does what its name implies main mixture adjustment engine other adjustments made Therefore must set first before meaningful idle acceleration adjustments can established engine has tougher time getting fuel up carburetor fuel tank low fuel make adjustments tank -h full instructions take consideration main idle needle valves set per instructions engine should able started helicopter brought hover Slight adjustments main needle valve can made have engine slightly rich setting break-in before making further adjustments idle needle valve However remember bring rotor blades stop before making engine adjustments hold throttle stick full idle finger friends have times wind blowing neck strap piece clothing hit throttle stick advancing well above idle holding unto rotor head dear life Dont let happen instructions go adjusting idle needle valve again technique differs Since instructions have already adjusted idle needle valve before setting main needle valve refer readjusting main idle needle valves good throttle response idle full power really disagree Since main needle valve has already adjusted top end want further leaning main needle valve will have engine lean full power causing excessive heat wear engine technique leave main needle valve adjusted full power adjustments already made make basic adjustments idle needle valve using pinch test internal parts carburetor hold fuel can decide idle mixture rich lean making value judgment much fuel bring engine idle pinch fuel line fuel tank engine listen engine Since am restricting fuel engine am driving lean condition should represented engine increasing speed since carb getting fuel engine will eventually die keep pinching fuel line Im looking slight increase engine rpm two four seconds after fuel line pinched followed engine starting die lack fuel engine increases rpm four seconds indication idle mixture too rich close idle needle valve about -turn try pinch test again rpm does increase much engine starts die right away pinch fuel line indication idle mixture too lean open idle needle valve / turn test again technique has worked well model engine provides basis minor adjustments can made determined engines flight characteristics instructions make couple other points worth repeating First high nitro fuels operate richer mixture settings needed mild fuels needle valves need opened slightly using Second throttle response hovering speeds also affected relationship main rotor pitch angle throttle opening may hovering low rotor/engine speed high collective pitch setting could bog down engine try climb out Although specific engine adjustments points should kept mind making carb adjustments have using OS 46 FX-H Concept 46 VR have very happy its handling characteristics performance Using 15% fuel break-in engine starts soon starter engaged two-needle carb easy adjust running slightly rich first few flights provided plenty power type aerobatics Leaning slightly rich two-cycle setting kept engine well-lubricated cool possible Florida summer heat increased power unlimited 3D flying Although havent used other engine 46 VR can recommend good combination looking plenty power aggressive flying Probably best thing can say about flying Concept 46 VR handles identically rest Concept line helicopters brand helicopter has its own handling characteristics does 46 yR looks like Concept product handles like has improved flight performance looking maxperform machine especially like Delrin main TR gears have smooth almost frictionless fit no adjustments required allowing engine power used flying set up normal flying mode hovering-type maneuvers general nonacrobatic flight Pitch settings of3 10 work well linear throttle curve use idle-up normal aerobatics using 5 10 pitch range minimum 40% throttle low end Idle-up two 3-D flying 10 10 pitch working well throttle curve 100-70-100 Autorotations actually better thought would smaller helicopter attribute higher rotor speed carried 46 yR 5O pitch provides plenty January1999 115 Ready another flight Valkyries Manatee field north Bradenton FL Bright stickers make 46 VR easy see come off easily Florida heat negative get down recommend keeping forward flight until close ground reserve collective pitch can used smooth touchdown Great Planes Model Distributors 2904 Research Rd. Champaign IL 61826 has two new Heli-Max 550 mm blades should work well 46 yR first full symmetrical printed sport blade comes precovered wood blade colorful design top white bottom color difference should improve flight orientation helicopter especially during aggressive aerobatic maneuvering flying greater distances pits second release Heli-Max FRP 550 mm all-white fiberglass blade Its also full symmetrical tapered tip thinner profile increased rotor speed performance Ill flying blades will keep advised performance Until next issue lets keep touch via E-mail Model Aviation
Edition: Model Aviation - 1999/01
Page Numbers: 114, 115, 116
Edition: Model Aviation - 1999/01
Page Numbers: 114, 115, 116
RADIO CONTROL HELICOPTERS SEVERAL MONTHS ago joined electronics age got ISP Internet Service Provider gave E-mail address asked Model Aviation include E-mail address column readers could better stay touch going smoothly have received letters including questions comments what intended open communication know what readers interested can make column interesting However have few glitches time Ill get smart enough make work right now continue get mail starts off second time have written am just unable respond sender Im sure what happens mail dont get some sort black hole E-mail falls am accidentally deleting before read Whatever problem doesnt happen time does happen enough have concerned get mail times am unable send reply should no-brainer since button marked reply matically inserts senders address have type letter try send get several messages saying cant delivered some technical reason dont understand am still learning process E-mail stuff please bear send message dont get response within few days please resend still dont get reply make sure return address correct working previous issue mentioned installed OS 46 FX-H engine new Concept 46 VR helicopter what didnt mention nice set instructions accompanied engine experienced fliers rarely take time read directions know dont until engine some trouble starting engine getting run way wanted finally traced combination faulty glow plug not-so-fresh fuel worked up its full potential made balkyrunning engine So after taking few minutes break realized best approach what preach go back basics step-bystep approach make sure everything right making assumptions first things install new glow plug engine check out starter panel turn output down low attach glow plug start turning up power look element want get bright red-yellow glow burning out note position meter power knob Although meter has yellow-green-red arc show proper operating range plugs different can vary widely amount glow produce green band Insufficient power plug coUld cause engine hard start produce flooded engine requiring too much time starter what happened OS caused premature wear stock starter cone Since having basic problems new engine occurred to completely review techniques instructions provided engine Two instruction sheets provided OS engines first provides general instructions specifications including mounting glow plug fuel breaking care maintenance Although instructions recommend fuel 10- 30% nitro also recommend fuel least 18% lubricant Thats minimum would ever consider use fuel least 20% oil controversy about whether use castor 114 Model Aviation ept 46 VR preflight Petal Mfg radio tray keeps Futaba Z Hitec reinforced foam protects receiver battery packplenty position flying taking weight off hands room rest radio Delrin gears flexible landing gear Jerry Groves poses beautiful Miniature Aircraft Gasser Wind sock shows its perfect flying meticulously-kept Valkyrie field synthetic oil whatever choice make 20% instructions also recommend short break-in period first few flights run slightly rich setting A-open full power main needle valve Although prefer break engine bench have never needed since getting used new engine keeps hover general-flight mode few flights anyway second instruction sheet specific instructions setting adjusting carburetor quite extensive procedures techniques adjusting flow chart steps presented Christmas tree fashion two adjustments carburetor main idle needle valves although instructions refer idle needle valve Mixture Control Valve definitions have always thought main needle valve adjusted provide maximum power full throttle idle needle valve used adjust mixture idle part-throttle speeds However disagree instructions proceed adjusting new carburetor instructions go right adjustments idle needle valve get engine idling correctly adjusting main needle valve full power differ slightly main needle valve does what its name implies main mixture adjustment engine other adjustments made Therefore must set first before meaningful idle acceleration adjustments can established engine has tougher time getting fuel up carburetor fuel tank low fuel make adjustments tank -h full instructions take consideration main idle needle valves set per instructions engine should able started helicopter brought hover Slight adjustments main needle valve can made have engine slightly rich setting break-in before making further adjustments idle needle valve However remember bring rotor blades stop before making engine adjustments hold throttle stick full idle finger friends have times wind blowing neck strap piece clothing hit throttle stick advancing well above idle holding unto rotor head dear life Dont let happen instructions go adjusting idle needle valve again technique differs Since instructions have already adjusted idle needle valve before setting main needle valve refer readjusting main idle needle valves good throttle response idle full power really disagree Since main needle valve has already adjusted top end want further leaning main needle valve will have engine lean full power causing excessive heat wear engine technique leave main needle valve adjusted full power adjustments already made make basic adjustments idle needle valve using pinch test internal parts carburetor hold fuel can decide idle mixture rich lean making value judgment much fuel bring engine idle pinch fuel line fuel tank engine listen engine Since am restricting fuel engine am driving lean condition should represented engine increasing speed since carb getting fuel engine will eventually die keep pinching fuel line Im looking slight increase engine rpm two four seconds after fuel line pinched followed engine starting die lack fuel engine increases rpm four seconds indication idle mixture too rich close idle needle valve about -turn try pinch test again rpm does increase much engine starts die right away pinch fuel line indication idle mixture too lean open idle needle valve / turn test again technique has worked well model engine provides basis minor adjustments can made determined engines flight characteristics instructions make couple other points worth repeating First high nitro fuels operate richer mixture settings needed mild fuels needle valves need opened slightly using Second throttle response hovering speeds also affected relationship main rotor pitch angle throttle opening may hovering low rotor/engine speed high collective pitch setting could bog down engine try climb out Although specific engine adjustments points should kept mind making carb adjustments have using OS 46 FX-H Concept 46 VR have very happy its handling characteristics performance Using 15% fuel break-in engine starts soon starter engaged two-needle carb easy adjust running slightly rich first few flights provided plenty power type aerobatics Leaning slightly rich two-cycle setting kept engine well-lubricated cool possible Florida summer heat increased power unlimited 3D flying Although havent used other engine 46 VR can recommend good combination looking plenty power aggressive flying Probably best thing can say about flying Concept 46 VR handles identically rest Concept line helicopters brand helicopter has its own handling characteristics does 46 yR looks like Concept product handles like has improved flight performance looking maxperform machine especially like Delrin main TR gears have smooth almost frictionless fit no adjustments required allowing engine power used flying set up normal flying mode hovering-type maneuvers general nonacrobatic flight Pitch settings of3 10 work well linear throttle curve use idle-up normal aerobatics using 5 10 pitch range minimum 40% throttle low end Idle-up two 3-D flying 10 10 pitch working well throttle curve 100-70-100 Autorotations actually better thought would smaller helicopter attribute higher rotor speed carried 46 yR 5O pitch provides plenty January1999 115 Ready another flight Valkyries Manatee field north Bradenton FL Bright stickers make 46 VR easy see come off easily Florida heat negative get down recommend keeping forward flight until close ground reserve collective pitch can used smooth touchdown Great Planes Model Distributors 2904 Research Rd. Champaign IL 61826 has two new Heli-Max 550 mm blades should work well 46 yR first full symmetrical printed sport blade comes precovered wood blade colorful design top white bottom color difference should improve flight orientation helicopter especially during aggressive aerobatic maneuvering flying greater distances pits second release Heli-Max FRP 550 mm all-white fiberglass blade Its also full symmetrical tapered tip thinner profile increased rotor speed performance Ill flying blades will keep advised performance Until next issue lets keep touch via E-mail Model Aviation
Edition: Model Aviation - 1999/01
Page Numbers: 114, 115, 116
RADIO CONTROL HELICOPTERS SEVERAL MONTHS ago joined electronics age got ISP Internet Service Provider gave E-mail address asked Model Aviation include E-mail address column readers could better stay touch going smoothly have received letters including questions comments what intended open communication know what readers interested can make column interesting However have few glitches time Ill get smart enough make work right now continue get mail starts off second time have written am just unable respond sender Im sure what happens mail dont get some sort black hole E-mail falls am accidentally deleting before read Whatever problem doesnt happen time does happen enough have concerned get mail times am unable send reply should no-brainer since button marked reply matically inserts senders address have type letter try send get several messages saying cant delivered some technical reason dont understand am still learning process E-mail stuff please bear send message dont get response within few days please resend still dont get reply make sure return address correct working previous issue mentioned installed OS 46 FX-H engine new Concept 46 VR helicopter what didnt mention nice set instructions accompanied engine experienced fliers rarely take time read directions know dont until engine some trouble starting engine getting run way wanted finally traced combination faulty glow plug not-so-fresh fuel worked up its full potential made balkyrunning engine So after taking few minutes break realized best approach what preach go back basics step-bystep approach make sure everything right making assumptions first things install new glow plug engine check out starter panel turn output down low attach glow plug start turning up power look element want get bright red-yellow glow burning out note position meter power knob Although meter has yellow-green-red arc show proper operating range plugs different can vary widely amount glow produce green band Insufficient power plug coUld cause engine hard start produce flooded engine requiring too much time starter what happened OS caused premature wear stock starter cone Since having basic problems new engine occurred to completely review techniques instructions provided engine Two instruction sheets provided OS engines first provides general instructions specifications including mounting glow plug fuel breaking care maintenance Although instructions recommend fuel 10- 30% nitro also recommend fuel least 18% lubricant Thats minimum would ever consider use fuel least 20% oil controversy about whether use castor 114 Model Aviation ept 46 VR preflight Petal Mfg radio tray keeps Futaba Z Hitec reinforced foam protects receiver battery packplenty position flying taking weight off hands room rest radio Delrin gears flexible landing gear Jerry Groves poses beautiful Miniature Aircraft Gasser Wind sock shows its perfect flying meticulously-kept Valkyrie field synthetic oil whatever choice make 20% instructions also recommend short break-in period first few flights run slightly rich setting A-open full power main needle valve Although prefer break engine bench have never needed since getting used new engine keeps hover general-flight mode few flights anyway second instruction sheet specific instructions setting adjusting carburetor quite extensive procedures techniques adjusting flow chart steps presented Christmas tree fashion two adjustments carburetor main idle needle valves although instructions refer idle needle valve Mixture Control Valve definitions have always thought main needle valve adjusted provide maximum power full throttle idle needle valve used adjust mixture idle part-throttle speeds However disagree instructions proceed adjusting new carburetor instructions go right adjustments idle needle valve get engine idling correctly adjusting main needle valve full power differ slightly main needle valve does what its name implies main mixture adjustment engine other adjustments made Therefore must set first before meaningful idle acceleration adjustments can established engine has tougher time getting fuel up carburetor fuel tank low fuel make adjustments tank -h full instructions take consideration main idle needle valves set per instructions engine should able started helicopter brought hover Slight adjustments main needle valve can made have engine slightly rich setting break-in before making further adjustments idle needle valve However remember bring rotor blades stop before making engine adjustments hold throttle stick full idle finger friends have times wind blowing neck strap piece clothing hit throttle stick advancing well above idle holding unto rotor head dear life Dont let happen instructions go adjusting idle needle valve again technique differs Since instructions have already adjusted idle needle valve before setting main needle valve refer readjusting main idle needle valves good throttle response idle full power really disagree Since main needle valve has already adjusted top end want further leaning main needle valve will have engine lean full power causing excessive heat wear engine technique leave main needle valve adjusted full power adjustments already made make basic adjustments idle needle valve using pinch test internal parts carburetor hold fuel can decide idle mixture rich lean making value judgment much fuel bring engine idle pinch fuel line fuel tank engine listen engine Since am restricting fuel engine am driving lean condition should represented engine increasing speed since carb getting fuel engine will eventually die keep pinching fuel line Im looking slight increase engine rpm two four seconds after fuel line pinched followed engine starting die lack fuel engine increases rpm four seconds indication idle mixture too rich close idle needle valve about -turn try pinch test again rpm does increase much engine starts die right away pinch fuel line indication idle mixture too lean open idle needle valve / turn test again technique has worked well model engine provides basis minor adjustments can made determined engines flight characteristics instructions make couple other points worth repeating First high nitro fuels operate richer mixture settings needed mild fuels needle valves need opened slightly using Second throttle response hovering speeds also affected relationship main rotor pitch angle throttle opening may hovering low rotor/engine speed high collective pitch setting could bog down engine try climb out Although specific engine adjustments points should kept mind making carb adjustments have using OS 46 FX-H Concept 46 VR have very happy its handling characteristics performance Using 15% fuel break-in engine starts soon starter engaged two-needle carb easy adjust running slightly rich first few flights provided plenty power type aerobatics Leaning slightly rich two-cycle setting kept engine well-lubricated cool possible Florida summer heat increased power unlimited 3D flying Although havent used other engine 46 VR can recommend good combination looking plenty power aggressive flying Probably best thing can say about flying Concept 46 VR handles identically rest Concept line helicopters brand helicopter has its own handling characteristics does 46 yR looks like Concept product handles like has improved flight performance looking maxperform machine especially like Delrin main TR gears have smooth almost frictionless fit no adjustments required allowing engine power used flying set up normal flying mode hovering-type maneuvers general nonacrobatic flight Pitch settings of3 10 work well linear throttle curve use idle-up normal aerobatics using 5 10 pitch range minimum 40% throttle low end Idle-up two 3-D flying 10 10 pitch working well throttle curve 100-70-100 Autorotations actually better thought would smaller helicopter attribute higher rotor speed carried 46 yR 5O pitch provides plenty January1999 115 Ready another flight Valkyries Manatee field north Bradenton FL Bright stickers make 46 VR easy see come off easily Florida heat negative get down recommend keeping forward flight until close ground reserve collective pitch can used smooth touchdown Great Planes Model Distributors 2904 Research Rd. Champaign IL 61826 has two new Heli-Max 550 mm blades should work well 46 yR first full symmetrical printed sport blade comes precovered wood blade colorful design top white bottom color difference should improve flight orientation helicopter especially during aggressive aerobatic maneuvering flying greater distances pits second release Heli-Max FRP 550 mm all-white fiberglass blade Its also full symmetrical tapered tip thinner profile increased rotor speed performance Ill flying blades will keep advised performance Until next issue lets keep touch via E-mail Model Aviation
