My instructor

[asra]

Hi Waddles, Laszlos Raf was in his shop getting an ej_25 fitted.I have flown a Raf with a stabilator (the beautifull one for sale in the gyro news) and all it does is act as an aerodynamic trim, also as the speed gets faster makes it more difficult to move the stick quickly. On the ground there is no trim spring pressure to push against to hold the stick forward. That is great. The Raf have used an incorrect torque tube offset and requires a lot of trim pressure when flown dual, so the lack of trim spring pressure on the ground is a benifit. I couild not find anything positive re stability with the stabilator. Every time a gust was encounted the machine would diverge in pitch if left hands free, and a PPO would ensue.The Raf stabiliator is an aerodynamic trim that makes it more difficult for the pilot to accidentally give too much pitch input at high speeds. Not even a good "bandaid" measure to the large thrust line to CoM. An effective h/stab is a far better "bandaid".Raf owners, conduct our Raf mods and have an almost perfectly stable gyroplane.Laszlo conducted my flight review in David Browns modified Raf that was signed of by Adrian. I trimmed it and took my hands off and we flew through rough and smooth air and the machine was stable. I took David after Laszlo had completed the paperwork. We conducted the stick free stability tests at 65 mph. The first round of tests showerd that the machibne slowed down more that the 10% allowed by the stabdards when full power was applied. I reduced the negative AofA of the stab approx 1/2 a degree and the following tests were perfect for thatr TOWeight. Trimmed at 65 s/l hands fee, apply full power and the speed would increase 2 mph and then the nose would rise and the speed would stabilise at 65. The same with reducing power to idle, the machine would slow a couple of mph and then the machibne would lowers its nose and settle into a glide at 65 mph.Flew as cross country instructor this morning in the Magni, the only gyro that I have flown that surpasses my Hybrid for stability. Bugger having to get the freezer suit out though!!!![]Aussie Paul.[]www.firebirdgyros.com

[asra]

Hi Waddles, Laszlos Raf was in his shop getting an ej_25 fitted.I have flown a Raf with a stabilator (the beautifull one for sale in the gyro news) and all it does is act as an aerodynamic trim, also as the speed gets faster makes it more difficult to move the stick quickly. On the ground there is no trim spring pressure to push against to hold the stick forward. That is great. The Raf have used an incorrect torque tube offset and requires a lot of trim pressure when flown dual, so the lack of trim spring pressure on the ground is a benifit. I couild not find anything positive re stability with the stabilator. Every time a gust was encounted the machine would diverge in pitch if left hands free, and a PPO would ensue.The Raf stabiliator is an aerodynamic trim that makes it more difficult for the pilot to accidentally give too much pitch input at high speeds. Not even a good "bandaid" measure to the large thrust line to CoM. An effective h/stab is a far better "bandaid".Raf owners, conduct our Raf mods and have an almost perfectly stable gyroplane.Laszlo conducted my flight review in David Browns modified Raf that was signed of by Adrian. I trimmed it and took my hands off and we flew through rough and smooth air and the machine was stable. I took David after Laszlo had completed the paperwork. We conducted the stick free stability tests at 65 mph. The first round of tests showerd that the machibne slowed down more that the 10% allowed by the stabdards when full power was applied. I reduced the negative AofA of the stab approx 1/2 a degree and the following tests were perfect for thatr TOWeight. Trimmed at 65 s/l hands fee, apply full power and the speed would increase 2 mph and then the nose would rise and the speed would stabilise at 65. The same with reducing power to idle, the machine would slow a couple of mph and then the machibne would lowers its nose and settle into a glide at 65 mph.Flew as cross country instructor this morning in the Magni, the only gyro that I have flown that surpasses my Hybrid for stability. Bugger having to get the freezer suit out though!!!![]Aussie Paul.[]www.firebirdgyros.com

[NiqueNaque]

Soooo,Where did they gooo?All of Mahmood's postings bar the first and all those pretty pictures of Tehran... seems my prediction may have been correct, eh Ken?Could be they're bunkering down for the big one, evil Uncle Sam growing mushrooms in the desert in exchange for oil.Nicholas TomlinAlarmist - www.alarmist.com.au - we scare for you

[NiqueNaque]

Soooo,Where did they gooo?All of Mahmood's postings bar the first and all those pretty pictures of Tehran... seems my prediction may have been correct, eh Ken?Could be they're bunkering down for the big one, evil Uncle Sam growing mushrooms in the desert in exchange for oil.Nicholas TomlinAlarmist - www.alarmist.com.au - we scare for you

[NiqueNaque]

Soooo,Where did they gooo?All of Mahmood's postings bar the first and all those pretty pictures of Tehran... seems my prediction may have been correct, eh Ken?Could be they're bunkering down for the big one, evil Uncle Sam growing mushrooms in the desert in exchange for oil.Nicholas TomlinAlarmist - www.alarmist.com.au - we scare for you

[Ken Watson]

You need help! Instead of posting why dont you just fix your gyro. If you dont have the money, work the few extra hours you waste posting and earn the money to fix it. This is not meant to offend but i'm just trying to state the obvious. Ah, better thought!; Nick , you better get your machine fixed damn quick as we may need you for homeland protection. There would be no better service you could do for your country and you will probably be deemed a hero.We will welcome your experiences of your rebuild when it is complete . You have your mission, do it well with no hint of fear. We awaite the successful completion of this mission. P.S.It's top secret, dont mention it to anyone.

[Ken Watson]

You need help! Instead of posting why dont you just fix your gyro. If you dont have the money, work the few extra hours you waste posting and earn the money to fix it. This is not meant to offend but i'm just trying to state the obvious. Ah, better thought!; Nick , you better get your machine fixed damn quick as we may need you for homeland protection. There would be no better service you could do for your country and you will probably be deemed a hero.We will welcome your experiences of your rebuild when it is complete . You have your mission, do it well with no hint of fear. We awaite the successful completion of this mission. P.S.It's top secret, dont mention it to anyone.

[Ken Watson]

You need help! Instead of posting why dont you just fix your gyro. If you dont have the money, work the few extra hours you waste posting and earn the money to fix it. This is not meant to offend but i'm just trying to state the obvious. Ah, better thought!; Nick , you better get your machine fixed damn quick as we may need you for homeland protection. There would be no better service you could do for your country and you will probably be deemed a hero.We will welcome your experiences of your rebuild when it is complete . You have your mission, do it well with no hint of fear. We awaite the successful completion of this mission. P.S.It's top secret, dont mention it to anyone.

[NiqueNaque]

*chuckles* on ya Ken ... I'd do the work if there was more of it on tap at the moment,.. soon, soon.Nicholas TomlinAlarmist - www.alarmist.com.au - we scare for you

[NiqueNaque]

*chuckles* on ya Ken ... I'd do the work if there was more of it on tap at the moment,.. soon, soon.Nicholas TomlinAlarmist - www.alarmist.com.au - we scare for you

[NiqueNaque]

*chuckles* on ya Ken ... I'd do the work if there was more of it on tap at the moment,.. soon, soon.Nicholas TomlinAlarmist - www.alarmist.com.au - we scare for you

[Tim]

quote:Originally posted by Firebird PaulTrimmed at 65 s/l hands fee, apply full power and the speed would increase 2 mph and then the nose would rise and the speed would stabilise at 65. The same with reducing power to idle, the machine would slow a couple of mph and then the machibne would lowers its nose and settle into a glide at 65 mph.I agree Paul. This is the way that I believe a gyro (or most aircraft) should behave. This does not seem to be the case in the US, where they believe that the gyro should change pitch attitude immediately with throttle changes. In my opinion, if a gyro changes pitch attitude with throttle changes, then it either does not have the thrust line through the C of M or the H/S is in the slipstream and not in line with the thrust line (or both).Either way, it is not good (especially for a beginner), to have sudden changes in pitch with throttle changes, especially in the case of sudden power fluctuations, as with fuel starvation.Beginner's quotation - "I hit a bad gust of wind just as I took off"Tim McClureBroken Hill

[Tim]

quote:Originally posted by Firebird PaulTrimmed at 65 s/l hands fee, apply full power and the speed would increase 2 mph and then the nose would rise and the speed would stabilise at 65. The same with reducing power to idle, the machine would slow a couple of mph and then the machibne would lowers its nose and settle into a glide at 65 mph.I agree Paul. This is the way that I believe a gyro (or most aircraft) should behave. This does not seem to be the case in the US, where they believe that the gyro should change pitch attitude immediately with throttle changes. In my opinion, if a gyro changes pitch attitude with throttle changes, then it either does not have the thrust line through the C of M or the H/S is in the slipstream and not in line with the thrust line (or both).Either way, it is not good (especially for a beginner), to have sudden changes in pitch with throttle changes, especially in the case of sudden power fluctuations, as with fuel starvation.Beginner's quotation - "I hit a bad gust of wind just as I took off"Tim McClureBroken Hill

[Tim]

quote:Originally posted by Firebird PaulTrimmed at 65 s/l hands fee, apply full power and the speed would increase 2 mph and then the nose would rise and the speed would stabilise at 65. The same with reducing power to idle, the machine would slow a couple of mph and then the machibne would lowers its nose and settle into a glide at 65 mph.I agree Paul. This is the way that I believe a gyro (or most aircraft) should behave. This does not seem to be the case in the US, where they believe that the gyro should change pitch attitude immediately with throttle changes. In my opinion, if a gyro changes pitch attitude with throttle changes, then it either does not have the thrust line through the C of M or the H/S is in the slipstream and not in line with the thrust line (or both).Either way, it is not good (especially for a beginner), to have sudden changes in pitch with throttle changes, especially in the case of sudden power fluctuations, as with fuel starvation.Beginner's quotation - "I hit a bad gust of wind just as I took off"Tim McClureBroken Hill

[asra]

Great Tim, I flew a single seat Dominator in NZ several months ago and was amazed that when I conducted the power on test the nose went up and the airspeed would have ended up at zero without forward cyclic control input. The Dominator seat could be lowered approx 8" to make it stable and make "getting in it" so much easier.A low thrust line machine is not as dangerous as a HTLM but why not get it right[?] Knowing the difference seems to be the problem. Tim, you said,This does not seem to be the case in the US, where they believe that the gyro should change pitch attitude immediately with throttle changes. I believe that it is only a small % of gyro people who believe that, and they would be Dominator pilots.Aussie Paul, enjoying the S/W of WA.[]www.firebirdgyros.com