Today's Message Index:
----------------------
1. 05:17 AM - Re: Yak52 fuel tank leaks (the wades)
2. 12:56 PM - Pentagon Air Force Memorial (ByronMFox@aol.com)
3. 03:53 PM - DIgital video camera mount (Norm Davis)
4. 04:21 PM - Re: DIgital video camera mount (Keith Pickford)
5. 05:09 PM - Re: DIgital video camera mount (Scooter)
6. 07:00 PM - OSH/MTW (Russ aka Duncan)
7. 11:36 PM - Re: Yak52 fuel tank leaks (Cliff Umscheid)
Message 1
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| Subject: | Re: Yak52 fuel tank leaks |
Cliff
Now the disclaimer if you plan on using it on your FAA certified
aircraft please look at the manufactures maintenance manual and consult
an A&P mechanic before using the product procidure..
----- Original Message -----
From: Cliff Umscheid
To: yak-list@matronics.com
Sent: Monday, July 17, 2006 4:02 AM
Subject: Re: Yak-List: Yak52 fuel tank leaks
Hi Bill,
I found your post of Sunday, 16 July potentially helpful to my
problem. You wrote"....repaired both with a two part epoxy from Locktite
9460
Hysol and fiberglass cloth...". I'm not familiar with these
materials ( specifically the Locktite 9460 and the two part epoxy} and I
want to repair a fuel seepage leak on the side of a fiberglass tip
tank in my A 36 Bonanza. Would you please print out for me the procedure
you employ to prepare and apply the materials used to make your fix? I
also own and fly a YAK 50 and although this Bonanza thing is a bit off
topic I hope to cure that problem using your method. Thankyou for your
assistance.
Cliff Umscheid
On Sun, 16 Jul 2006 11:16:04 -0400 "the wades"
<wade154@frontiernet.net> writes:
Preston
I've had two leaks from what I would call oil canning cracks and
repaired both with a two part epoxy from loctite 9460 Hysol and
fiberglass cloth and the repairs have held for a couple years now. I
think the reason for my cracks are I do a lot of acro and pull 4-4.5 on
most outings or 0 lbs. at the top of a loop to 312 at the bottom and
straight and level 78 lbs, so I can see why it would oil can. The leaks
that I have repaired were found just after such an outing and in the
center bottom of the tank. My Yak is 1985 vintage it has two straps
holding each fuel tank in place I've seen newer models with three straps
holding the fuel tank in, which would really help stop the oil canning
in the center where my leaks were repaired. Its quite possible that the
older Yaks that were stressed to 5 gs had two straps and when the 7 g
spar mod came out and the boys and girls started pulling 7+ gs the
factory found that another strap solved the problem.
Bill Wade
N4450Y
----- Original Message -----
From: PHCarter@aol.com
To: yak-list@matronics.com
Sent: Saturday, July 15, 2006 8:21 PM
Subject: Yak-List: Yak52 fuel tank leaks
A year ago, flying back from OSH, I developed a fuel leak in my
right wing tank. Repaired it easy enough (crack across one of the
reinforcing beads along the bottom). Now a year later, I have developed
another leak (also the right tank). Have not jumped into repairing it
yet, but here is the question: Could I have a vent problem that is
allowing the tank to pressurize with summer heat, or as I fly, and cause
these cracks? In the summer, I leave my tank caps lose so pressure does
not build up (still waiting for a hanger, so outside 24/7), so I don't
think pressure is a problem. My tanks appear to vent properly and my
Aux tank pumps into my wing tanks properly, so I don't recognize any
other problem other then frequency tank cracks/leaks.
Are leaks like this common? (1 a year on average) How do I test
that my fuel vent is clear and open? Is there another source of this
problem I don't know about? As always, thanks for whatever insight you
can provide.
Preston Carter
Yak52 N6209F
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Checked by AVG Free Date: 7/11/2006
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No virus found in this incoming message.
7/14/2006
Message 2
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| Subject: | Pentagon Air Force Memorial |
Until my daughter-in-law forwarded this story to me yesterday, I was
completely ignorant of this new memorial. Fascinating story. ...Blitz
http://www.washingtonpost.com/wp-dyn/content/article/2006/07/16/AR2006071600
622.html?referrer=email
-
Message 3
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| Subject: | DIgital video camera mount |
--> Yak-List message posted by: Norm Davis <davisn@xtra.co.nz>
Hi Guys
Can anyone direct me to plans for an extrernal digital video camera
mount for the Yak 52?
My son, a video producer here in NZ, is proposing choreographing
aerobatics to the music of a local band. He wants to be able to mount
the small hand held camera somewhere either on the tail or fuselage
looking forward over the canopy.
The idea is to turn the camera on prior to start, fly a precise sequence in
mountainous terrain and then dub the music to the video - I think.
I would be grateful for any ideas.
This is probably a oncer, so, if there is a mount that could be hired,
perhaps all the better.
Thanks
Norm Davis
Message 4
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| Subject: | Re: DIgital video camera mount |
--> Yak-List message posted by: "Keith Pickford" <kpickford@xtra.co.nz>
Try Blue Bicycle Flicks in Wellington - they produce the WOW DVD and they
had cameras mounted in the Sukhoi etc - If they can't help they may have a
contact.
Regards
Keith
----- Original Message -----
Sent: Wednesday, July 19, 2006 10:51 AM
> --> Yak-List message posted by: Norm Davis <davisn@xtra.co.nz>
>
> Hi Guys
> Can anyone direct me to plans for an extrernal digital video camera
> mount for the Yak 52?
> My son, a video producer here in NZ, is proposing choreographing
> aerobatics to the music of a local band. He wants to be able to mount
> the small hand held camera somewhere either on the tail or fuselage
> looking forward over the canopy.
> The idea is to turn the camera on prior to start, fly a precise sequence
in
> mountainous terrain and then dub the music to the video - I think.
> I would be grateful for any ideas.
> This is probably a oncer, so, if there is a mount that could be hired,
> perhaps all the better.
> Thanks
> Norm Davis
>
>
Message 5
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| Subject: | Re: DIgital video camera mount |
--> Yak-List message posted by: "Scooter" <yakk52@verizon.net>
It may be more trouble than it's worth. I mounted a digital still/video camera
on three points of my aircraft - wing tip, underwing tie-down and tail tie-down.
There was a LOT of shake on the wingtip and somewhat less on the underwing
and tail tie-downs. I corrected the shake with the help of several free software
products (VirtualDub with the Deshaker add-on) - but the quality is a little
spotty.
I built my mount cheaply using a few pieces flat and angled aluminum scrap. I
attached the camera to the mount using the tripod mount and cable ties. For the
wing mount i attached it to the inspection cover in the wing tip via the four
screws that hold it on. The mount has a piece of aluminum sheet with a stiffener
folded over it as a windscreen. For the tie-downs i used bolts and muffler
clamps.
Another consideration is the lens. It's got to be a fisheye. For this i bought
a cheapo 180 degree fisheye on ebay and i got cheapo quality.
http://www.rostovs.com/movie/wipeout.wmv
have fun!
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=48394#48394
Message 6
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PILOTS!
OSH is coming, I know many of you are going there, but some of you have
not registered for the event. There is no registration fee, it is only
for planning purposes.
Thanks for listening
Russ
Message 7
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| Subject: | Re: Yak52 fuel tank leaks |
Bill,
Re Disclaimer, Not to worry; I'm the IA on my aircraft and I'm not
planning to fill out any 337s when not necessary. Again, thanks for your
help.
Regards,
Cliff
On Tue, 18 Jul 2006 08:14:24 -0400 "the wades" <wade154@frontiernet.net>
writes:
Cliff
Now the disclaimer if you plan on using it on your FAA certified aircraft
please look at the manufactures maintenance manual and consult an A&P
mechanic before using the product procidure..
----- Original Message -----
Sent: Monday, July 17, 2006 4:02 AM
Hi Bill,
I found your post of Sunday, 16 July potentially helpful to my problem.
You wrote"....repaired both with a two part epoxy from Locktite 9460
Hysol and fiberglass cloth...". I'm not familiar with these materials (
specifically the Locktite 9460 and the two part epoxy} and I want to
repair a fuel seepage leak on the side of a fiberglass tip tank in my A
36 Bonanza. Would you please print out for me the procedure you employ to
prepare and apply the materials used to make your fix? I also own and
fly a YAK 50 and although this Bonanza thing is a bit off topic I hope to
cure that problem using your method. Thankyou for your assistance.
Cliff Umscheid
On Sun, 16 Jul 2006 11:16:04 -0400 "the wades" <wade154@frontiernet.net>
writes:
Preston
I've had two leaks from what I would call oil canning cracks and
repaired both with a two part epoxy from loctite 9460 Hysol and
fiberglass cloth and the repairs have held for a couple years now. I
think the reason for my cracks are I do a lot of acro and pull 4-4.5 on
most outings or 0 lbs. at the top of a loop to 312 at the bottom and
straight and level 78 lbs, so I can see why it would oil can. The leaks
that I have repaired were found just after such an outing and in the
center bottom of the tank. My Yak is 1985 vintage it has two straps
holding each fuel tank in place I've seen newer models with three straps
holding the fuel tank in, which would really help stop the oil canning in
the center where my leaks were repaired. Its quite possible that the
older Yaks that were stressed to 5 gs had two straps and when the 7 g
spar mod came out and the boys and girls started pulling 7+ gs the
factory found that another strap solved the problem.
Bill Wade
N4450Y
----- Original Message -----
Sent: Saturday, July 15, 2006 8:21 PM
A year ago, flying back from OSH, I developed a fuel leak in my right
wing tank. Repaired it easy enough (crack across one of the reinforcing
beads along the bottom). Now a year later, I have developed another leak
(also the right tank). Have not jumped into repairing it yet, but here
is the question: Could I have a vent problem that is allowing the tank
to pressurize with summer heat, or as I fly, and cause these cracks? In
the summer, I leave my tank caps lose so pressure does not build up
(still waiting for a hanger, so outside 24/7), so I don't think pressure
is a problem. My tanks appear to vent properly and my Aux tank pumps
into my wing tanks properly, so I don't recognize any other problem other
then frequency tank cracks/leaks.
Are leaks like this common? (1 a year on average) How do I test that my
fuel vent is clear and open? Is there another source of this problem I
don't know about? As always, thanks for whatever insight you can
provide.
Preston Carter
Yak52 N6209F
No virus found in this incoming message.
Checked by AVG Free Date: 7/11/2006
No virus found in this incoming message.
Checked by AVG Free Date: 7/14/2006
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