Today's Message Index:
----------------------
1. 09:58 AM - Re: Trick to opening canopy in flight? (Davie Alison)
2. 10:10 PM - Re: Trick to opening canopy in flight? (Gary L Vogt)
3. 10:43 PM - Re: Trick to opening canopy in flight? (jetinc@comcast.net)
Message 1
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| Subject: | Re: Trick to opening canopy in flight? |
When my wife had about 65 hours, we took a Tiger from California to the eas
t coast and back.-- Over the Grand Canyon, we were throttling back and
opening the canopy for most of our photo shots.--We would both pull tog
ether. The next morning, my arm was sore from doing that so many times.
If you ever want to open the canopy beyond the limit marked on the rails (f
ew inches), you need to really hold onto it -- once it gets back a bit more
, the airstream really catches it and will slam it back it you don't ease i
t back.--- In that position, any thing loose (paper, other light obje
cts) will blow out.
Not necessarily recommended, but there have been lots of skydives made out
of Cheetahs and Tigers.
--- On Sat, 5/12/12, barry speronello <bkspero@gmail.com> wrote:
From: barry speronello <bkspero@gmail.com>
Subject: TeamGrumman-List: Trick to opening canopy in flight?
I tried for the first time today to open my Tiger's canopy in flight.- IA
S about 100 kts.- Pulled back on the latch, and nothing.- Reached up fo
r a better grip and it moved some, but did not open.- Tried a third time
with two hands and it felt like the front seal was stretching flightly, but
it would not separate.- It was like I was trying to open it against a va
cuum and as long as no air leaked in, the canopy wouldn't slide back.=0A=0A
I stopped at that point, as I was concerned that pulling harder might tear
the relatively soft seal on the front face of the canopy.=0AOther informati
on.- I am sure the latch was unhooked...it holds my canopy solidly forwar
d and on my second and third tries the canopy moved to the extent that the
seal stretched.- Movement like that does not happen with the latch closed
.=0A=0ABoth air vents were full open and blowing lots of air into the cabin
.- Hot air was closed.=0AWhat am I missing?- Is there a trick to gettin
g it open in flight?- During one of my training flights in a rental Tiger
the instructor opened the canopy with little effort.- That was in the au
tumn, though, so the vents were probably closed.- But I would have guesse
d that the vents would help equalize the pressure and make opening easier.
- Is it that the interior was actually pressurized relative to outside an
d the problem is that it can't slide against the top of the rails?=0A=0ATha
-========================
============0A=0A
Message 2
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| Subject: | Re: Trick to opening canopy in flight? |
I have a closeup 8x10 of Herse Castle swimming pool from about 300 AGL, cano
py open. I was young and fearless back then.
Gary
Sent from my iPad
On May 19, 2012, at 9:57 AM, Davie Alison <guy4sky@yahoo.com> wrote:
>
> When my wife had about 65 hours, we took a Tiger from California to the ea
st coast and back. Over the Grand Canyon, we were throttling back and open
ing the canopy for most of our photo shots. We would both pull together. Th
e next morning, my arm was sore from doing that so many times.
>
>
> If you ever want to open the canopy beyond the limit marked on the rails (
few inches), you need to really hold onto it -- once it gets back a bit more
, the airstream really catches it and will slam it back it you don't ease it
back. In that position, any thing loose (paper, other light objects) wil
l blow out.
>
> Not necessarily recommended, but there have been lots of skydives made out
of Cheetahs and Tigers.
>
>
>
> --- On Sat, 5/12/12, barry speronello <bkspero@gmail.com> wrote:
>
> From: barry speronello <bkspero@gmail.com>
> Subject: TeamGrumman-List: Trick to opening canopy in flight?
> To: "teamgrumman-list@matronics.com" <teamgrumman-list@matronics.com>
> Date: Saturday, May 12, 2012, 8:48 PM
>
> I tried for the first time today to open my Tiger's canopy in flight. IAS
about 100 kts. Pulled back on the latch, and nothing. Reached up for a be
tter grip and it moved some, but did not open. Tried a third time with two h
ands and it felt like the front seal was stretching flightly, but it would n
ot separate. It was like I was trying to open it against a vacuum and as lo
ng as no air leaked in, the canopy wouldn't slide back.
>
> I stopped at that point, as I was concerned that pulling harder might tear
the relatively soft seal on the front face of the canopy.
>
> Other information. I am sure the latch was unhooked...it holds my canopy s
olidly forward and on my second and third tries the canopy moved to the exte
nt that the seal stretched. Movement like that does not happen with the lat
ch closed.
>
> Both air vents were full open and blowing lots of air into the cabin. Hot
air was closed.
>
> What am I missing? Is there a trick to getting it open in flight? During
one of my training flights in a rental Tiger the instructor opened the cano
py with little effort. That was in the autumn, though, so the vents were pr
obably closed. But I would have guessed that the vents would help equalize t
he pressure and make opening easier. Is it that the interior was actually p
ressurized relative to outside and the problem is that it can't slide agains
t the top of the rails?
>
> Thanks in advance for your help.
>
> Barry S(2)
>
> http://www.matronics.com/Navigator?Tea_blank" href="http://forums.matron
ics.com">http://forums.matronics.com
>
==========================
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>
Message 3
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| Subject: | Re: Trick to opening canopy in flight? |
how about under the golden gate at night? not be but a friend flew a cheetah under
it. what was he thinking, just image a cable hanging down as they're constantly
painting that thing.
----- Original Message -----
From: "Gary L Vogt" <teamgrumman@yahoo.com>
Sent: Saturday, May 19, 2012 10:09:44 PM
Subject: Re: TeamGrumman-List: Trick to opening canopy in flight?
I have a closeup 8x10 of Herse Castle swimming pool from about 300 AGL, canopy
open. I was young and fearless back then.
Gary Sent from my iPad
On May 19, 2012, at 9:57 AM, Davie Alison < guy4sky@yahoo.com > wrote:
When my wife had about 65 hours, we took a Tiger from California to the east coast
and back. Over the Grand Canyon, we were throttling back and opening the canopy
for most of our photo shots. We would both pull together. The next morning,
my arm was sore from doing that so many times.
If you ever want to open the canopy beyond the limit marked on the rails (few inches),
you need to really hold onto it -- once it gets back a bit more, the airstream
really catches it and will slam it back it you don't ease it back. In
that position, any thing loose (paper, other light objects) will blow out.
Not necessarily recommended, but there have been lots of skydives made out of Cheetahs
and Tigers.
--- On Sat, 5/12/12, barry speronello < bkspero@gmail.com > wrote:
<blockquote>
From: barry speronello < bkspero@gmail.com >
Subject: TeamGrumman-List: Trick to opening canopy in flight?
I tried for the first time today to open my Tiger's canopy in flight. IAS about
100 kts. Pulled back on the latch, and nothing. Reached up for a better grip
and it moved some, but did not open. Tried a third time with two hands and it
felt like the front seal was stretching flightly, but it would not separate. It
was like I was trying to open it against a vacuum and as long as no air leaked
in, the canopy wouldn't slide back.
I stopped at that point, as I was concerned that pulling harder might tear the
relatively soft seal on the front face of the canopy.
Other information. I am sure the latch was unhooked...it holds my canopy solidly
forward and on my second and third tries the canopy moved to the extent that
the seal stretched. Movement like that does not happen with the latch closed.
Both air vents were full open and blowing lots of air into the cabin. Hot air was
closed.
What am I missing? Is there a trick to getting it open in flight? During one of
my training flights in a rental Tiger the instructor opened the canopy with little
effort. That was in the autumn, though, so the vents were probably closed.
But I would have guessed that the vents would help equalize the pressure and
make opening easier. Is it that the interior was actually pressurized relative
to outside and the problem is that it can't slide against the top of the rails?
Thanks in advance for your help.
Barry S(2) http://www.matronics.com/Navigator?Tea_blank " href=" http://forums.matronics.com "> http://forums.matronics.com href="http://www.matronics.com/Navigator?TeamGrumman-List">http://www.matronics.com/Navigator?TeamGrumman-List
href="http://forums.matronics.com">http://forums.matronics.com
href="http://www.matronics.com/contribution">http://www.matronics.com/contribution
</blockquote>
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