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#1
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On Jan 25, 7:05*pm, Tony V wrote:
Correction! I was just taken to task by a hang glider (and sailplane) pilot friend...... Hang gliders use "hand thrown" chutes, not "ballistic". Cookie Happily, everybody is right. :-) both hand-thrown and ballistic chutes are available to the hang glider community. Seehttp://www.highenergysports.com/articles/ballistic_controversy.htmfor a start Tony LS6-b, USHPA 7826 Yes, according to my expert, both ballistic and hand thrown parachutes have been and are used on hang gliders. But mostly hand thrown by a large margin. But my original point was that hang gliders widely use parachute recovery systems, you could say "everybody uses them" and you could say they are "mandated". I believe that the hang glider people have decided to self regulate (as opposed to government regulation) and require chutes at any "sanctioned" gliding site. This is not the case in sailplanes however, for the reasons given in this thread. Sailplanes are very different in some respects, than hang gliders. I think that the "personal" parachute is the preferred solution for sailplanes. Soaring also self regulates to some degree as chutes are required in contests. Cookie |
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#2
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On Jan 19, 8:35*pm, Sparkorama
wrote: I'm just getting back into the sport after a long hiatus. I've seen that a lot of glider pilots fly with parachutes (ones they wear) and I have seen Ballistic Recovery System parachutes in planes as well. From my layman's view, it appears that getting out of a plane using a traditional chute after a mid-air collision seems exceedingly difficult and time-consuming. On the other hand, BRS chutes seem to deploy very fast and can be deployed very close to the ground. They can lower the entire plane safely to the ground in almost any terrain, and a few bruises to your bird or your body seems a lot better than certain death if you can't get out of a plane after a mid-air. So if this is true, and I am happy to say I am no expert, then why isn't everyone using these things? I think they should be mandatory in every new glider built. Thoughts? Spark -- Sparkorama I tried to get info from BRS last fall and received no reply to two e- mails and a phone call. Have the fallen on hard times (economy issues)? I was ready to buy one, but before plunking down $4500 bucks I need to know they will support the product. JJ |
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#3
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On Jan 19, 9:35*pm, Sparkorama
wrote: I'm just getting back into the sport after a long hiatus. I've seen that a lot of glider pilots fly with parachutes (ones they wear) and I have seen Ballistic Recovery System parachutes in planes as well. From my layman's view, it appears that getting out of a plane using a traditional chute after a mid-air collision seems exceedingly difficult and time-consuming. On the other hand, BRS chutes seem to deploy very fast and can be deployed very close to the ground. They can lower the entire plane safely to the ground in almost any terrain, and a few bruises to your bird or your body seems a lot better than certain death if you can't get out of a plane after a mid-air. So if this is true, and I am happy to say I am no expert, then why isn't everyone using these things? I think they should be mandatory in every new glider built. Thoughts? Spark -- Sparkorama You say you are no expert yet you think they should be mandatory in every new glider built. I find that to be a paradox. Would it not make more sense to familiarize yourself with the subject before deciding what should be mandatory? Previously cited factors have included increased weight, increased cost, lack of adequate test data, insufficient space and probably a few more. I was interested in BRS when it was offered as an option for the ASW-28. It seems the brochure writer was ahead of the designer and the option was never made available. Andy |
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#4
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On Jan 19, 8:35*pm, Sparkorama
wrote: ...I think they should be mandatory in every new glider built... Thoughts? I think that the idea is well-intentioned but ill-conceived. Others have already pointed out that BRS totals the aircraft in most deployments, usually results in injuries to the occupants, and is otherwise very far from being a panacea. If there were an affordable and reliable system that was guaranteed to work in all sailplanes across a wide variety of conditions, I'd probably not object so strenuously. However, that is not the case. The systems that are available are bulky and expensive, and can be difficult or impossible to fit into something small aircraft where interior volume is so scarce. Sailplanes present special challenges for ballistic recovery systems. Their requirement for low drag can make it difficult to install the suspension bridles without performance-robbing bulges and blisters, and their wide range of operating weights makes it hard to tailor the parachute size to the aircraft mass. My strongest issue with the idea is the underlying assertion that there is or should be some bureau or agency responsible for making BRS "mandatory in every new glider built." Required for gliders that receive type certificates after some certain date, I can sort of see that. That's the sort of thing that the NTSB might recommend to the FAA in a decade or two, and which the FAA might take under advisement for a similar span. But required for gliders being manufactured under current type certificates? No, sorry, I think that retroactive requirements like that set a very, very bad precedent. And required for Experimental, Amateur-built, and Experimental, Racing gliders? No way. That would very much stifle the kind of innovation and competition that those (non-)certification categories are designed to foster. That said, in the glider I am developing now, I have indeed reserved a modest volume for a ballistic parachute system should some customers express an interest in it. However, that volume is not available in sustainer or self-launch versions, so you would have to choose between the motor and the parachute. In the overall scheme of things, the place to look for the deployment of new systems like this are customers and insurance companies. Both of them vote with dollars, and in the free market that's pretty much the only vote that matters. Thanks, Bob K. http://www.hpaircraft.com/hp-24 |
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#5
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I think that the idea is well-intentioned but ill-conceived. Others
have already pointed out that BRS totals the aircraft in most deployments, usually results in injuries to the occupants, and is otherwise very far from being a panacea. To me the key issue and logic for BRS is: a low altitude mid-air collision where getting out and deploying your chute is going to be dicey at best. Like in the traffic pattern or near the pattern which is where most collisions occur. Best example of a BRS being worth it at low altitude: http://www.youtube.com/watch?v=JrVxp_gyTcI Considering how light our gliders are--I think it's worth having--but not mandatory. Bob GE2 |
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#6
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On Jan 20, 2:16*pm, Bob D wrote:
I think that the idea is well-intentioned but ill-conceived. Others have already pointed out that BRS totals the aircraft in most deployments, usually results in injuries to the occupants, and is otherwise very far from being a panacea. To me the key issue and logic for BRS is: a low altitude mid-air collision where getting out and deploying your chute is going to be dicey at best. Like in the traffic pattern or near the pattern which is where most collisions occur. Best example of a BRS being worth it at low altitude:http://www.youtube.com/watch?v=JrVxp_gyTcI Considering how light our gliders are--I think it's worth having--but not mandatory. Bob GE2 But I don't believe that near the pattern is where most glider collisions occur-- I believe the major risk happens in thermals and when entering/exiting thermals. And I don't say that lightly, as we lost two pilots in Northern California in a collision between a glider and towplane in the pattern not too long ago. The issue is BRS is pretty invasive to install its a large package to fit into a small space. My motorglider has *no* room for a BRS and I see not practical way of adding room. Its not an endless list of thigns we could/should have all of saftey related technologies involve tradeoffs, effectiveness, cost, complexity, reliability, weight, space, ... There are other saftey technologies (like effective use of VHF radio and beyond that also adding PowerFLARM, transponders (in appropriate areas), etc) that I would much rather see people invest their money in than a BRS. If you do all that then maybe look at a BRS. And I would be horrified to see attempts at mandating or even pushing BRS and its potential to take away money that would potentially be used to purchase VHF radios, PowerFLARM, transponders etc. I assume everybody out there is wearing a personal parachute, and if your are not its your life, but at least using a radio effectively and a PowerFLARM can help save other lives not just your own. And possibly the best saftey investment pilots can make in the next few months is... (you all thought I was going to say a PowerFLARM right...) is a spring checkout with an instructor. Should we mandate those? :-) Darryl |
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#7
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#8
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On Jan 21, 3:57*am, Sparkorama
wrote: Darryl Ramm;760474 Wrote: On Jan 20, 2:16*pm, Bob D wrote:-- I think that the idea is well-intentioned but ill-conceived. Others have already pointed out that BRS totals the aircraft in most deployments, usually results in injuries to the occupants, and is otherwise very far from being a panacea.- To me the key issue and logic for BRS is: a low altitude mid-air collision where getting out and deploying your chute is going to be dicey at best. Like in the traffic pattern or near the pattern which is where most collisions occur. Best example of a BRS being worth it at low altitude:http://www.youtube.com/watch?v=JrVxp_gyTcI Considering how light our gliders are--I think it's worth having--but not mandatory. Bob GE2- But I don't believe that near the pattern is where most glider collisions occur-- I believe the major risk happens in thermals and when entering/exiting thermals. And I don't say that lightly, as we lost two pilots in Northern California in a collision between a glider and towplane in the pattern not too long ago. The issue is BRS is pretty invasive to install its a large package to fit into a small space. My motorglider has *no* room for a BRS and I see not practical way of adding room. Its not an endless list of thigns we could/should have all of saftey related technologies involve tradeoffs, effectiveness, cost, complexity, reliability, weight, space, ... There are other saftey technologies (like effective use of VHF radio and beyond that also adding PowerFLARM, transponders (in appropriate areas), etc) that I would much rather see people invest their money in than a BRS. If you do all that then maybe look at a BRS. And I would be horrified to see attempts at mandating or even pushing BRS and its potential to take away money that would potentially be used to purchase VHF radios, PowerFLARM, transponders etc. I assume everybody out there is wearing a personal parachute, and if your are not its your life, but at least using a radio effectively and a PowerFLARM can help save other lives not just your own. And possibly the best saftey investment pilots can make in the next few months is... (you all thought I was going to say a PowerFLARM right...) is a spring checkout with an instructor. Should we mandate those? :-) Darryl It seems I caused a bit of a stir with the "mandatory" comment. I can see that it may not be so simple. However, I think the BRS system needs some good competition and maybe a glider-specific model. I wonder if in a few years they could bring down cost and size to make it more accessible to the soaring community. I imagine a well thought out glider model would be something a lot of people might consider. Does anyone know the stats or have personal info about getting out of a glider with a personal chute after a mid-air? -- Sparkorama You can't just stick one of these on an aircraft without doing some extensive design and testing and the testing would involve trashing the test bed. There is no one size fits all like a radio or transponder. You have to look at the numbers of prospective customers and retrofitting a chute to the relatively small glider market is not financially plausible. If you've got very deep pockets anything's possible--this just doesn't look profitable. |
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#9
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On Jan 21, 1:57*am, Sparkorama
wrote: Darryl Ramm;760474 Wrote: On Jan 20, 2:16*pm, Bob D wrote:-- I think that the idea is well-intentioned but ill-conceived. Others have already pointed out that BRS totals the aircraft in most deployments, usually results in injuries to the occupants, and is otherwise very far from being a panacea.- To me the key issue and logic for BRS is: a low altitude mid-air collision where getting out and deploying your chute is going to be dicey at best. Like in the traffic pattern or near the pattern which is where most collisions occur. Best example of a BRS being worth it at low altitude:http://www.youtube.com/watch?v=JrVxp_gyTcI Considering how light our gliders are--I think it's worth having--but not mandatory. Bob GE2- But I don't believe that near the pattern is where most glider collisions occur-- I believe the major risk happens in thermals and when entering/exiting thermals. And I don't say that lightly, as we lost two pilots in Northern California in a collision between a glider and towplane in the pattern not too long ago. The issue is BRS is pretty invasive to install its a large package to fit into a small space. My motorglider has *no* room for a BRS and I see not practical way of adding room. Its not an endless list of thigns we could/should have all of saftey related technologies involve tradeoffs, effectiveness, cost, complexity, reliability, weight, space, ... There are other saftey technologies (like effective use of VHF radio and beyond that also adding PowerFLARM, transponders (in appropriate areas), etc) that I would much rather see people invest their money in than a BRS. If you do all that then maybe look at a BRS. And I would be horrified to see attempts at mandating or even pushing BRS and its potential to take away money that would potentially be used to purchase VHF radios, PowerFLARM, transponders etc. I assume everybody out there is wearing a personal parachute, and if your are not its your life, but at least using a radio effectively and a PowerFLARM can help save other lives not just your own. And possibly the best saftey investment pilots can make in the next few months is... (you all thought I was going to say a PowerFLARM right...) is a spring checkout with an instructor. Should we mandate those? :-) Darryl It seems I caused a bit of a stir with the "mandatory" comment. I can see that it may not be so simple. However, I think the BRS system needs some good competition and maybe a glider-specific model. I wonder if in a few years they could bring down cost and size to make it more accessible to the soaring community. I imagine a well thought out glider model would be something a lot of people might consider. Does anyone know the stats or have personal info about getting out of a glider with a personal chute after a mid-air? -- Sparkorama I think you have it backwards, the market does not need more vendors/ different technology/competition. Potential vendors need a practically addressable market. Your trying to sell a marginal improvement (benefits of BRS vs personal parachute) at significant increase in cost and complexity and installation hassles/limitations. I don't see any dramatic changes in technology that will shrink the package or make a fully installed (and approved/STCed etc. if needed) and allow a price point of interest to most glider owners. BRS systems are available now in some motorgliders (when the motor is not installed and the new glider cost is enough that the purchaser is more likely to be willing to accept the BRS system cost) and its great to see them being designed into those aircraft, and Bob's HP-24, for owners who want that option (and don't want an engine). Darryl |
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#10
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On Jan 19, 8:35*pm, Sparkorama
wrote: I'm just getting back into the sport after a long hiatus. I've seen that a lot of glider pilots fly with parachutes (ones they wear) and I have seen Ballistic Recovery System parachutes in planes as well. From my layman's view, it appears that getting out of a plane using a traditional chute after a mid-air collision seems exceedingly difficult and time-consuming. On the other hand, BRS chutes seem to deploy very fast and can be deployed very close to the ground. They can lower the entire plane safely to the ground in almost any terrain, and a few bruises to your bird or your body seems a lot better than certain death if you can't get out of a plane after a mid-air. So if this is true, and I am happy to say I am no expert, then why isn't everyone using these things? I think they should be mandatory in every new glider built. Thoughts? Spark -- Sparkorama Do I not remember a Sparrow Hawk glider that was built with a BRS and sold for a military application. The test pilot exceeded VNE due to some ASI calibration errors. The glider came apart, in the process the BRS self deployed because the cable pulled tight with the failing airframe. On BRS deployment the resulting opening shock caused the seat belt attach points to fail and the pilot was ejected through the canopy. Lucky he was also wearing a backpack parachute and he survived. BRS is not a cure all if the structure fails. T |
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