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On Aug 19, 8:05*pm, "Morgans" wrote:
"Oliver Arend" wrote Even if you have a BRS installed, it is advisable to try an emergency landing in a suitable field, since very likely the structure of the airplane will suffer less damage. As someone pointed out, the airplane comes down nose first, usually with a speed of about 5-6 m/s (15-20 ft/ s). That can break a lot of expensive stuff (prop, engine, fuselage). Some airplanes, like Cirrius, have a harness that supports the aircraft, and the aircraft comes down in a more or less level attitude. *Are you saying that your aircraft have the harness attatched to the aircraft so that it always comes down nose first, or just that it will sometimes get tangled and come down nose first? It would seem like it would be a big advantage to come down level, for the aircraft and the passengers. -- When you pancake in the risk is to your spine and you need proper cushions/sear design to take care of that. As far as I know, with some (?most) parachute systems you hit the ground at about 23 mph which is equivalent to dropping the plane from about 15 feet. Such an impact will probably do serious damage to the plane making it a write off. So, I don't rate the planes chances much. Whether the planes structural failure will affect your chances to climb out unaided is moot. I think that a pull on the handle should be considered to be the last resort when you know you are not able to glide to a forced landing. I imagine that in some terrain the chute may be a bad idea compared to a pilot controlled crash. So IMHO the chute is a good device to have as an option but also has some negative features and needs proper training for best use. For example, suppose your engine fails at 500' -should you pull the handle? Which is safer, to land in the tops of trees or fall vertically under parachute and risk cabin penetration? In mountains, do you want to parachute into the sides or crash land on a ridge or valley? I hope you see my point. Cheers |
#2
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![]() "Flaps_50!" wrote in message ... On Aug 19, 8:05 pm, "Morgans" wrote: "Oliver Arend" wrote Even if you have a BRS installed, it is advisable to try an emergency landing in a suitable field, since very likely the structure of the airplane will suffer less damage. As someone pointed out, the airplane comes down nose first, usually with a speed of about 5-6 m/s (15-20 ft/ s). That can break a lot of expensive stuff (prop, engine, fuselage). Some airplanes, like Cirrius, have a harness that supports the aircraft, and the aircraft comes down in a more or less level attitude. Are you saying that your aircraft have the harness attatched to the aircraft so that it always comes down nose first, or just that it will sometimes get tangled and come down nose first? It would seem like it would be a big advantage to come down level, for the aircraft and the passengers. -- When you pancake in the risk is to your spine and you need proper cushions/sear design to take care of that. As far as I know, with some (?most) parachute systems you hit the ground at about 23 mph which is equivalent to dropping the plane from about 15 feet. Such an impact will probably do serious damage to the plane making it a write off. So, I don't rate the planes chances much. Whether the planes structural failure will affect your chances to climb out unaided is moot. I think that a pull on the handle should be considered to be the last resort when you know you are not able to glide to a forced landing. I imagine that in some terrain the chute may be a bad idea compared to a pilot controlled crash. So IMHO the chute is a good device to have as an option but also has some negative features and needs proper training for best use. For example, suppose your engine fails at 500' -should you pull the handle? Which is safer, to land in the tops of trees or fall vertically under parachute and risk cabin penetration? In mountains, do you want to parachute into the sides or crash land on a ridge or valley? I hope you see my point. Cheers One of the themes developing here it the recoverability of the air frame, what a crock!! if the pilot feels that the situation is so far beyond his/her capabilities then I think that any damage to the airframe is the furthest thing from their mind and rather they have taken a course of action designed to make their survivability a priority. honestly do you think someone would pull the chute if they only thought "maybe I can't do this" or when they thought "****!! this is going to hurt" -- [This comment is no longer available due to a copyright claim by Church of Scientology International] "I like your Christ. I do not like your Christians. They are so unlike your Christ" |
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![]() "Garry O" wrote One of the themes developing here it the recoverability of the air frame, what a crock!! I don't think that was the thrust in this part of the thread. It perhaps was elsewhere, but here, the level parachute landing vs. tail up or tail down is being discussed. It seemed someone said the ultralight type aircraft they were talking about had the chute rigged from the tail. I was stating that the fuselage, landing gear and seats offered much better crush distance (equating directly to peak G forces experienced by the occupants) that would a tail up landing. I stick by that observation for well designed aircraft. The landing gear will crush, and so will proper seat supports, thus giving maximum protection to the people in the plane. if the pilot feels that the situation is so far beyond his/her capabilities then I think that any damage to the airframe is the furthest thing from their mind and rather they have taken a course of action designed to make their survivability a priority. honestly do you think someone would pull the chute if they only thought "maybe I can't do this" or when they thought "****!! this is going to hurt" I never have been in a position to pull a chute in a plane, but I purposely drove off an inline in a van rather than roll down the incline, and in that case, I most definitely thought "this is going to hurt" in one millisecond during the crash. I made the right choice, because I did not roll, and I most certainly would have if I had not made the conscious choice to drive directly off of the drop-off. If a person decides to pull a chute, they most likely have decided the plane is a write-off. It only could be a bonus if it is not. -- Jim in NC |
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Morgans wrote:
"Garry O" wrote One of the themes developing here it the recoverability of the air frame, what a crock!! I don't think that was the thrust in this part of the thread. It perhaps was elsewhere, but here, the level parachute landing vs. tail up or tail down is being discussed. It seemed someone said the ultralight type aircraft they were talking about had the chute rigged from the tail. We don't really KNOW how it was rigged, only how it came down. As much roll as was present, it could well be that part of the harness got wrapped around the tailwheel or something... -- Richard Lamb |
#5
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![]() "Morgans" wrote in message news ![]() "Garry O" wrote One of the themes developing here it the recoverability of the air frame, what a crock!! I don't think that was the thrust in this part of the thread. It perhaps was elsewhere, but here, the level parachute landing vs. tail up or tail down is being discussed. It seemed someone said the ultralight type aircraft they were talking about had the chute rigged from the tail. I was stating that the fuselage, landing gear and seats offered much better crush distance (equating directly to peak G forces experienced by the occupants) that would a tail up landing. I stick by that observation for well designed aircraft. The landing gear will crush, and so will proper seat supports, thus giving maximum protection to the people in the plane. if the pilot feels that the situation is so far beyond his/her capabilities then I think that any damage to the airframe is the furthest thing from their mind and rather they have taken a course of action designed to make their survivability a priority. honestly do you think someone would pull the chute if they only thought "maybe I can't do this" or when they thought "****!! this is going to hurt" I never have been in a position to pull a chute in a plane, but I purposely drove off an inline in a van rather than roll down the incline, and in that case, I most definitely thought "this is going to hurt" in one millisecond during the crash. I made the right choice, because I did not roll, and I most certainly would have if I had not made the conscious choice to drive directly off of the drop-off. If a person decides to pull a chute, they most likely have decided the plane is a write-off. It only could be a bonus if it is not. -- Jim in NC My fault, I was replying to Oliver Arend and in particular this part "Even if you have a BRS installed, it is advisable to try an emergency landing in a suitable field, since very likely the structure of the airplane will suffer less damage" A sentiment that others seemed to share. I by no means think that is all they thought of but rather they seemed fixated on that particular argument. While none of the AC I have flown have had a BRS installed I know that I would not pull the handle unless all other options had been exhausted and F^(K the airframe, if it gave up its life saving mine then so be it, AC can be re-built or another purchased, my kids and wife can not so easily replace me, or so I would like to think ;-) -- Garry O |
#6
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![]() "Garry O" wrote While none of the AC I have flown have had a BRS installed I know that I would not pull the handle unless all other options had been exhausted and F^(K the airframe, if it gave up its life saving mine then so be it, AC can be re-built or another purchased, my kids and wife can not so easily replace me, or so I would like to think ;-) Indeed. And so you think and hope- that you are not easily replaced. g On a slightly different thought, my wife had been previously married, and had left her ex because of some extra-curricular activities on his part. Now, when I screw up on something (fairly large screw-ups) she is quick to remind me, saying, (I got rid of one, already. I can do it again, just as easily) This, with a smile on her face. I think (hope) she is joking on that one, too! g -- Jim in NC |
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Morgans wrote:
"Garry O" wrote While none of the AC I have flown have had a BRS installed I know that I would not pull the handle unless all other options had been exhausted and F^(K the airframe, if it gave up its life saving mine then so be it, AC can be re-built or another purchased, my kids and wife can not so easily replace me, or so I would like to think ;-) Indeed. And so you think and hope- that you are not easily replaced. g On a slightly different thought, my wife had been previously married, and had left her ex because of some extra-curricular activities on his part. Now, when I screw up on something (fairly large screw-ups) she is quick to remind me, saying, (I got rid of one, already. I can do it again, just as easily) This, with a smile on her face. I think (hope) she is joking on that one, too! g My now ex was a tad more mercenary. Not long before I retired from the military she and my children were "joking" about how to bump me off. She also told me I had to sleep sometime. I guess a couple hundred dollars SGLI was a bit tempting. Dan, U.S. Air Force, retired |
#8
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![]() "Garry O" wrote While none of the AC I have flown have had a BRS installed I know that I would not pull the handle unless all other options had been exhausted and F^(K the airframe, if it gave up its life saving mine then so be it, AC can be re-built or another purchased, my kids and wife can not so easily replace me, or so I would like to think ;-) Indeed. And so you think and hope- that you are not easily replaced. g On a slightly different thought, my wife had been previously married, and had left her ex because of some extra-curricular activities on his part. Now, when I screw up on something (fairly large screw-ups) she is quick to remind me, saying, (I got rid of one, already. I can do it again, just as easily) This, with a smile on her face. I think (hope) she is joking on that one, too! g -- Jim in NC |
#9
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On Aug 23, 10:50*pm, "Morgans" wrote:
"Garry O" wrote While none of the AC I have flown have had a BRS installed I know that I would not pull the handle unless all other options had been exhausted and F^(K the airframe, if it gave up its life saving mine then so be it, AC can be re-built or another purchased, my kids and wife can not so easily replace me, or so I would like to think ;-) Indeed. *And so you think and hope- that you are not easily replaced. *g On a slightly different thought, my wife had been previously married, and had left her ex because of some extra-curricular activities on his part. Now, when I screw up on something (fairly large screw-ups) she is quick to remind me, saying, (I got rid of one, already. *I can do it again, just as easily) This, with a smile on her face. I think (hope) she is joking on that one, too! g -- Jim in NC Being introduced as "My present husband" keeps one's role in context, doesn't it? |
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![]() "a" wrote Being introduced as "My present husband" keeps one's role in context, doesn't it? ********************* Ouch!!! -- Jim in NC |
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