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Ken
Joined: 06 Jun 2008 Posts: 15
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Posted: Mon Apr 27, 2009 11:30 am Post subject: BSR Chute |
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All of the discussion about 601-XL wing break-ups leads me to consider a BSR chute. Is there an aspect to such an event the might make the device non-deployable or ineffective?
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Gig Giacona
Joined: 10 Jan 2006 Posts: 1416 Location: El Dorado Arkansas USA
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Posted: Mon Apr 27, 2009 11:37 am Post subject: Re: BSR Chute |
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The French plane that overstressed the wing was saved by a BRS chute.
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_________________ W.R. "Gig" Giacona
601XL Under Construction
See my progress at www.peoamerica.net/N601WR |
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Iberplanes
Joined: 10 Dec 2007 Posts: 174 Location: Igualada - Barcelona - Spain
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psm(at)att.net Guest
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Posted: Mon Apr 27, 2009 12:07 pm Post subject: BSR Chute |
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My guess is that ballistic chutes are considerably less than 100
percent dependable.
The chute and associated stuff can fail to operate properly.
The attachment to our experimental airframes might just destroy the
airframe rather than saving it.
If deployed close to the ground, it might not have a chance to do its
job before the plane meets the ground.
And lastly, just for reference, I had a long discussion with a friend
who flew fighters for the USAF for 20 years. He bailed out once from
high altitude in an RB-66 over the Florida Everglades. His back was
broken and he spent the next 6 months in the hospital. That was
considered a successful ejection. The other guy in the same plane
died before reaching the ground. In the end, he said the USAF
considers a 50 percent fatality rate to be the expected result from
an ejection.
'nuff said.
Paul
XL grounded
do not archive
At 12:30 PM 4/27/2009, you wrote:
Quote: | All of the discussion about 601-XL wing break-ups leads me to
consider a BSR chute. Is there an aspect to such an event the might
make the device non-deployable or ineffective?
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ggower_99(at)yahoo.com Guest
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Posted: Mon Apr 27, 2009 12:29 pm Post subject: BSR Chute |
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Murphy Law...
Do not archive.
--- On Mon, 4/27/09, Ken <hror1(at)pld.com> wrote:
Quote: | From: Ken <hror1(at)pld.com>
Subject: BSR Chute
To: zenith-list(at)matronics.com
Date: Monday, April 27, 2009, 3:30 PM
Quote: | --> Zenith-List message posted by: "Ken" <hror1(at)pld.com>
All of the discussion about 601-XL wing break-ups leads me to consider a BSR
chute. Is there an aspect to such an event the might make the device
non-deployable or ineffective?
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p 41509#241509
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[quote][b]
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Gig Giacona
Joined: 10 Jan 2006 Posts: 1416 Location: El Dorado Arkansas USA
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Posted: Mon Apr 27, 2009 1:05 pm Post subject: Re: BSR Chute |
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Thank God we aren't talking about putting ejection seats in 601s. There is a huge difference between shooting the chute out with a rocket and shooting the pilot out with one.
Since Paul isn't reading my posts I will post this on ejections seats in my ongoing fight against incorrect data.
http://findarticles.com/p/articles/mi_m0IBT/is_9_57/ai_78413230/
During an ejection, the limits of performance of humans and their equipment can be approached; those failures are closely studied. The overall ACES II ejection survival rate from Aug 1978 to Sep 2000 was 92 percent (see Table 1). During this period, a total of 362 ejections occurred in five different types of ACES II seat-equipped aircraft. Accompanying figures depict A-10 Thunderbolt II, F-15 Eagle and F-16 Fighting Falcon lifetime ejection history totals, as well as fatalities where ejections were, and were not, attempted. Success rates are different for each aircraft, primarily because of the different mission profiles flown in those aircraft. Aircraft with specific mission profiles that have them flying faster and closer to the ground will likely have more mishaps.
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_________________ W.R. "Gig" Giacona
601XL Under Construction
See my progress at www.peoamerica.net/N601WR |
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cookwithgas
Joined: 06 Nov 2007 Posts: 159
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barcusc(at)comcast.net Guest
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Posted: Tue Apr 28, 2009 12:24 pm Post subject: BSR Chute |
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Check out the BRS Systems website, it list deployment of their parachutes,
type of aircraft and the altitude the chute was deployed at, it has been a
while since I checked their site but I believe they listed about 200 saves.
In regards to possible damage to the aircraft, that may be a moot point, I
am assuming a crash was inevitable or the chute would not have been
deployed.
Clyde Barcus
601 XL
---
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JohnDRead(at)aol.com Guest
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Posted: Tue Apr 28, 2009 3:01 pm Post subject: BSR Chute |
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The primary purpose of BRS chutes is to save the passengers, the airframe is secondary. do not archive.
John Read
CH701 - Elbert CO - Jabiru 3300
Phone: 303-648-3261
Fax: 303-648-3262
Cell: 719-494-4567
An Excellx1221621499x1201450105/aol?redir=http://www.freecreditreport.com/pm/default.aspx?sc=668072&hmpgID=62&bcd=AprilExcScore428NO62>See Yours in Just 2 Easy Steps!
[quote][b]
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PatrickW
Joined: 27 Oct 2006 Posts: 380 Location: Fort Worth, Texas
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Posted: Tue Apr 28, 2009 4:55 pm Post subject: Re: BSR Chute |
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I am going with a BRS parachute in deference to my non-pilot wife, who asked, "what if you have a heart attack or something? What happens to me?".
I'd made the BRS decision before the accidents started, and I've never understood the controversy that some pilots seem to have on this subject. Probably similar to motorcycle helmets, or when cars first came out with seat belts.
If I ever need to pull that handle, it would have to be a last-ditch life or death situation. Even if the BRS only had a 50% chance of working, 50% is a lot better than 0%. In a situation like that, you don't care about the airplane anymore.
Pictures of my installation are here: http://picasaweb.google.com/Patrick.Hoyt/BRS#
- Pat
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jmaynard
Joined: 27 Feb 2008 Posts: 394 Location: Fairmont, MN (FRM)
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Posted: Tue Apr 28, 2009 5:11 pm Post subject: BSR Chute |
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On Tue, Apr 28, 2009 at 05:55:29PM -0700, PatrickW wrote:
Quote: | I am going with a BRS parachute in deference to my non-pilot wife, who
asked, "what if you have a heart attack or something? What happens to
me?".
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There's an easier way: teach her to fly! That's what I'm doing with my
roommate.
Quote: | I'd made the BRS decision before the accidents started, and I've never
understood the controversy that some pilots seem to have on this subject.
Probably similar to motorcycle helmets, or when cars first came out with
seat belts.
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I think the BRS is fine if you've got 40 pounds of useful load to devote to
it. My Zodiac was heavy enough as it is.
--
Jay Maynard, K5ZC, PP-ASEL, AGI http://www.conmicro.com
http://jmaynard.livejournal.com http://www.tronguy.net
Fairmont, MN (KFRM) (Yes, that's me!)
AMD Zodiac CH601XLi N55ZC http://www.tronguy.net/N55ZC.shtml
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Gig Giacona
Joined: 10 Jan 2006 Posts: 1416 Location: El Dorado Arkansas USA
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Posted: Tue Apr 28, 2009 6:59 pm Post subject: Re: BSR Chute |
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To BRS or not is a personal decision.
As mentioned giving up 40 lbs especially if the 40 lbs is in the back of the plane is a problem for me.
There is also the theory that the money spent of the chute and the repacking of the chute would be better spent on additional training.
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_________________ W.R. "Gig" Giacona
601XL Under Construction
See my progress at www.peoamerica.net/N601WR |
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craig(at)craigandjean.com Guest
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Posted: Tue Apr 28, 2009 7:10 pm Post subject: BSR Chute |
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Aviation Consumer also argued for spending a given dollar on more training
over (say) a traffic warning device. But if you read through the kind of
incidents where a BRS was deployed I think you will see that training
wouldn't help in many cases (control failure, spin, hitting a glider tow
rope, engine out over hostile terrain). If I were buying a plane I'd
strongly consider one designed around a BRS (e.g. CTSW or CTLS). But (IMHO)
putting one in a 601LX really limits the utility of the plane due to W&B
issues.
-- Craig
--
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cookwithgas
Joined: 06 Nov 2007 Posts: 159
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Posted: Tue Apr 28, 2009 8:05 pm Post subject: Re: BSR Chute |
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Common you guys! You are killing me with all this BAD INFORMATION! You guys throw numbers around like you are experts and you don't have a clue! I don't intend to offend anyone personally but some of you guys need a reality check. Here's a picture of my BRS pack on a scale:
http://www.cooknwithgas.com/10_28_06_BRS_Weight.JPG
18.8 lbs. Clearly not 40 lbs in the back of the airplane! The gold thing is less than a pound and all of the other parts barely weigh 9 lbs. much of it in the front of the airplane.
This picture has been on my website since October of 2006 as you can see from the file name. Seriously guys - this list has come to a bunch of guys throwing around numbers and opinions based on NOTHING but speculation and blah blah blah. Get out there and work on your airplane or go fly it, then come back and report something or ask a valid question. All this bad info on this list needs to stop. Some of you guys seem to have to reply to every post even if you have NO IDEA what you are talking about! Can we use a little restraint here until we have something factual or useful to post?
Sorry for the rant, but I don't see any more posts from the guys that know because they have been chased away by a bunch of Yahoos with nothing better to do but spread bad info. Most of those guys are too nice to say anything and just fade away for good reason. I just see the wrong kind of speculation and just plane bad information here anymore.
Have a good evening,
Scott Laughlin
601XL/Corvair
Omaha
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challgren(at)mac.com Guest
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Posted: Tue Apr 28, 2009 8:48 pm Post subject: BSR Chute |
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Scott:
I had never really considered a chute until I saw your picture showing
it weighed 18.8 pounds. BRS's July 2008 price list shows a 1350
having BRS system weights from 29 to 34 pounds. Do you have the
softpact?
Stan
701/3300
On Apr 28, 2009, at 22:05 , cookwithgas wrote:
Quote: |
>
Common you guys! You are killing me with all this BAD INFORMATION!
You guys throw numbers around like you are experts and you don't
have a clue! I don't intend to offend anyone personally but some of
you guys need a reality check. Here's a picture of my BRS pack on a
scale:
http://www.cooknwithgas.com/10_28_06_BRS_Weight.JPG
18.8 lbs. Clearly not 40 lbs in the back of the airplane! The gold
thing is less than a pound and all of the other parts barely weigh 9
lbs. much of it in the front of the airplane.
This picture has been on my website since October of 2006 as you can
see from the file name. Seriously guys - this list has come to a
bunch of guys throwing around numbers and opinions based on NOTHING
but speculation and blah blah blah. Get out there and work on your
airplane or go fly it, then come back and report something or ask a
valid question. All this bad info on this list needs to stop. Some
of you guys seem to have to reply to every post even if you have NO
IDEA what you are talking about! Can we use a little restraint here
until we have something factual or useful to post?
Sorry for the rant, but I don't see any more posts from the guys
that know because they have been chased away by a bunch of Yahoos
with nothing better to do but spread bad info. Most of those guys
are too nice to say anything and just fade away for good reason. I
just see the wrong kind of speculation and just plane bad
information here anymore.
Have a good evening,
Scott Laughlin
601XL/Corvair
Omaha
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p 41842#241842
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craig(at)craigandjean.com Guest
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Posted: Tue Apr 28, 2009 9:18 pm Post subject: BSR Chute |
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Ask Steve Weston about the W&B numbers for his Jabiru 3300-powered XL with a
BRS. Those are real numbers (I helped calculate them). One difference
between Steve and Scott's plane is that Scott's has a Corvair hung on the
front which helps counteract the weight of the BRS. Steve added a bracket to
move his battery farther forward from the firewall. I don't know if Steve is
still on this list but he is on the Zenith builders site.
-- Craig
--
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Martin Pohl
Joined: 30 Jan 2006 Posts: 118 Location: CH-8645 Jona SG, Switzerland
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Posted: Tue Apr 28, 2009 10:35 pm Post subject: Re: BSR Chute |
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W&B is indeed an issue with a Rotax or Jabiru engine - however, Pat's very nice installation (which seems to be similar to European XLs) eliminates the problem.
I still put my Galaxy GRS-600 softpack in the rear baggage compartement (see: http://www.pohltec.ch/ZodiacXL/GRS/GRS.html), my space behind the instrument panel is just too limited. However I will use a variable pitch propeller that should balance the C.G. My baggage compartement will be space and weight limited to a space right behind the backrests (and I am happy to have installed the wing lockers, they provide the necessary baggage space and are relieving the stress on the wings at the same time ).
The reason for a BRS in my XL is not because of the recent incidents, but for other safety considerations (midair collision, engine failure in alpine rough country). I know of the limited reliability of the BRS-systems (e.g. slow or insufficient opening at low speeds), but it might be just another last-chance...
Martin
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_________________ Martin Pohl
Zodiac XL QBK
8645 Jona, Switzerland
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tjennings(at)gmail.com Guest
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Posted: Wed Apr 29, 2009 3:44 am Post subject: BSR Chute |
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Also, just out of curiosity, how much did it cost to install the BRS chute?
Cheers,
- Trevor
On Wed, Apr 29, 2009 at 12:47 AM, Stanley Challgren <challgren(at)mac.com> wrote:
Quote: |
Scott:
I had never really considered a chute until I saw your picture showing it
weighed 18.8 pounds. BRS's July 2008 price list shows a 1350 having BRS
system weights from 29 to 34 pounds. Do you have the softpact?
Stan
701/3300
On Apr 28, 2009, at 22:05 , cookwithgas wrote:
>
>
> Common you guys! You are killing me with all this BAD INFORMATION! You
> guys throw numbers around like you are experts and you don't have a clue! I
> don't intend to offend anyone personally but some of you guys need a reality
> check. Here's a picture of my BRS pack on a scale:
>
> http://www.cooknwithgas.com/10_28_06_BRS_Weight.JPG
>
> 18.8 lbs. Clearly not 40 lbs in the back of the airplane! The gold thing
> is less than a pound and all of the other parts barely weigh 9 lbs. much of
> it in the front of the airplane.
>
> This picture has been on my website since October of 2006 as you can see
> from the file name. Seriously guys - this list has come to a bunch of guys
> throwing around numbers and opinions based on NOTHING but speculation and
> blah blah blah. Get out there and work on your airplane or go fly it, then
> come back and report something or ask a valid question. All this bad info
> on this list needs to stop. Some of you guys seem to have to reply to every
> post even if you have NO IDEA what you are talking about! Can we use a
> little restraint here until we have something factual or useful to post?
>
> Sorry for the rant, but I don't see any more posts from the guys that know
> because they have been chased away by a bunch of Yahoos with nothing better
> to do but spread bad info. Most of those guys are too nice to say anything
> and just fade away for good reason. I just see the wrong kind of
> speculation and just plane bad information here anymore.
>
> Have a good evening,
>
> Scott Laughlin
> 601XL/Corvair
> Omaha
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p 41842#241842
>
>
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jmaynard
Joined: 27 Feb 2008 Posts: 394 Location: Fairmont, MN (FRM)
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Posted: Wed Apr 29, 2009 4:39 am Post subject: BSR Chute |
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On Tue, Apr 28, 2009 at 09:05:10PM -0700, cookwithgas wrote:
Quote: | This picture has been on my website since October of 2006 as you can see
from the file name. Seriously guys - this list has come to a bunch of
guys throwing around numbers and opinions based on NOTHING but speculation
and blah blah blah.
|
The 40 pound difference I've been citing was a number I got straight from
AMD. *I* am not the one who said the weight was all in the back, either. If
I'm speculating, I'll say so. I wasn't. I was going on what I believed to be
reliable information.
The way to counter bad information is to post reliable information, not to
simply flame people for saying what they believe to be true.
--
Jay Maynard, K5ZC, PP-ASEL, AGI http://www.conmicro.com
http://jmaynard.livejournal.com http://www.tronguy.net
Fairmont, MN (KFRM) (Yes, that's me!)
AMD Zodiac CH601XLi N55ZC http://www.tronguy.net/N55ZC.shtml
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AMD Zodiac XLi N55ZC |
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Gig Giacona
Joined: 10 Jan 2006 Posts: 1416 Location: El Dorado Arkansas USA
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Posted: Wed Apr 29, 2009 5:16 am Post subject: Re: BSR Chute |
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Here's where I go the weight. http://brsparachutes.com/files/Documents/Sales%20Retail%20Price%20List%20July%2015%202008.pdf
The 3 models that match the 601's weight are between 29 and 34 pounds according to this. Add to that the weight of the fittings and 40 lbs sounds about right.
Which model do you have Scott?
cookwithgas wrote: | Common you guys! You are killing me with all this BAD INFORMATION! |
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_________________ W.R. "Gig" Giacona
601XL Under Construction
See my progress at www.peoamerica.net/N601WR |
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