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06-02-2008, 01:26 PM
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Join Date: Jan 2005
Location: T38
Posts: 2,018
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Canopy Breaker...
For those of you who wonder what you would do if you found yourself on your back, upside down in a cornfield trapped in your pride and joy? Here is what I carry in my Rocket...
Rob Ray
HR2
http://www.uscav.com/ProductInfo.asp...ucts-_-SF-_-V1 |
11-14-2022, 06:37 PM
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Join Date: Jun 2006
Location: Ottawa, Ontario, Canada
Posts: 2,252
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A very old thread, but i wanted to revive it because i'm looking for advice on a tool to carry in the RV to break the canopy in the event of an accident and being unable to open it. ACS has this tool: https://www.aircraftspruce.ca/catalo...lickkey=248952
But that appears to be just for clearing shards out of the way of a canopy that is already broken. The link on the message above no longer works. Any suggestions for a tool to carry for this purpose?
__________________
Phil
RV9A (SB)
Flying since July 2010!
Ottawa, Canada
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11-14-2022, 07:28 PM
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Join Date: Jan 2008
Location: Ashland, OR
Posts: 3,356
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Yes, I think it is great to revive this thread.
A particular concern is that being upside down, hanging from your harness, it would be hard to get any significant 'swing' to a hammer-type device. I doubt I could get enough striking force to break anything.
There are spring-loaded punch devices that are pretty good on tempered glass, but I don't think they would help much on acrylic.
I could imagine a CO2 cartridge powered thing kind of like an epi-pen that would shoot a small shot shell charge or maybe a single device that is maybe cruciform shaped which would introduce radial cracks that could then be broken out?
__________________
Steve Smith
Aeronautical Engineer
RV-8 N825RV
IO-360 A1A
WW 200RV
"The Magic Carpet" Flying since Sept. 2009
Hobbs 725
also
1/4 share in 1959 C-182B (tow plane)
LS6-15/18W sailplane SOLD
bought my old LS6-A back!! 
VAF donation Dec 2022
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11-14-2022, 08:07 PM
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Join Date: Oct 2018
Location: tx
Posts: 150
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I purchased a small survival hatchet, for just such an incident. About 6 inch long and has an axe head on one end with hammer on the other. Multiple tools as well. Came with a nice Cary case. Got it from a company in Canada. Reasonable price. Tho I don’t remember the name of the company. Should not be hard to find. Just look for survival equipment.
Hope this helps
RD
__________________
RV-6 o-360, WW ga200 prop. 90% to go
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11-14-2022, 08:14 PM
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Join Date: Jan 2008
Location: Ashland, OR
Posts: 3,356
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Quote:
Originally Posted by bbsdad
I purchased a small survival hatchet, for just such an incident. About 6 inch long and has an axe head on one end with hammer on the other. Multiple tools as well. Came with a nice Cary case. Got it from a company in Canada. Reasonable price. Tho I don’t remember the name of the company. Should not be hard to find. Just look for survival equipment.
Hope this helps
RD
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I have a hard time imagining how I am going to swing a hatchet inside the cockpit of an RV-8, hanging upside down.
__________________
Steve Smith
Aeronautical Engineer
RV-8 N825RV
IO-360 A1A
WW 200RV
"The Magic Carpet" Flying since Sept. 2009
Hobbs 725
also
1/4 share in 1959 C-182B (tow plane)
LS6-15/18W sailplane SOLD
bought my old LS6-A back!!
VAF donation Dec 2022
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11-14-2022, 09:15 PM
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Join Date: Jul 2005
Posts: 1,838
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Just look at it sideways, that's what makes them crack during construction....
Or, aim for a bird! 
Signed,
Mr. Helpful |
11-14-2022, 09:30 PM
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Join Date: Apr 2013
Location: Ventura, CA
Posts: 387
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We Tried Some Out
Sorry, the video we were going to make from our tests didn’t happen but here are some findings: if you’re upside down, best to stay strapped in. The knurled, hand-held aluminum canopy breaker does not work well. The spring loaded center punch doesn’t work well either. The automotive windshield hammer was poor. A hatchet was pretty good. We keep a survival hatchet under the co-pilot’s seat.
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11-14-2022, 09:43 PM
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Join Date: Jun 2007
Location: Atlanta
Posts: 904
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I use a small Milwaukee Hackzall. Cut thru a solid steel ruler shaped metal bar, twice, with the same blade in about 90 seconds at HD where I bought it. Have it vecroed about where the rear seater's left ankle would be, (altho it doesn't get in his way) Oughta go thru the side of my 8 like a hot knife thru butter. Unless of course, I don't have a left hand anymore. Maybe I should velcro one on the right side too.
Regarding Post #5, at least in an 8, or a 4, I don't think one could get a good hit on the canopy due to not being able to throw your arm much. Maybe in a side by side, but not in a tandem. (Got the idea here on VAF years ago)
People have said " But yeah, what about running gasoline and sparks? I'd rather blow up, than burn to death slowly--- hopfully I'm out before that would happen.
Last edited by donaziza : 11-14-2022 at 10:01 PM.
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11-14-2022, 10:00 PM
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Join Date: Jan 2005
Posts: 743
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__________________
Carl N.
RV-8
KAWO
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