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frans(at)privatepilots.nl
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 Posted: Wed Jun 20, 2012 5:51 am Post subject: pitot/static port cover? |
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Hi,
On our recent trip to Croatia we left the aircraft for two days on a
very hot airfield. When we came back to depart we discovered that the
ASI was reading 70 knots... (Luckily our pitot system is air tight
otherwise we would have discovered it during our take off run or later).
Investigation (which is no fun on a very hot tarmac without shadow)
revealed that the pitot tube was internally sealed off by some
substance. Even poking and moving with a piece of wire inside the pitot
it was not possible to get air flow through it, despite all the stuff
that came out. Whatever was in there was even past the 90 degree bend.
Some insect had made a whole nest or something inside the tube.
I finally had to take the pitot/static assembly out to get it cleaned
with compressed air.
To avoid this in the future I would like to use a pitot cover, but in
the past I could never find a standard cover that fits, so after many
hours without a cover I thought I could live without one. Clearly not.
So, has anyone found some suitable standard cover or do I need to make
something myself?
Frans
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davidjoyce(at)doctors.org
Guest
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| Posted: Wed Jun 20, 2012 6:08 am Post subject: pitot/static port cover? |
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Frans, I don't normally cover mine, having decided the
likelihood and nuisance of leaving it on was greater than
the possibility of something nesting there, but I carry a
roll oh red PVC tape to cover my fuel tank outlets if I
expect heavy rain and I guess that would serve for areas
where funny nesting insects are to be found.
Regards, David Joyce, G-XSDJ
On Wed, 20 Jun 2012 16:44:50 +0200
Frans Veldman <frans(at)privatepilots.nl> wrote:
| Quote: |
<frans(at)privatepilots.nl>
Hi,
On our recent trip to Croatia we left the aircraft for
two days on a
very hot airfield. When we came back to depart we
discovered that the
ASI was reading 70 knots... (Luckily our pitot system is
air tight
otherwise we would have discovered it during our take
off run or later).
Investigation (which is no fun on a very hot tarmac
without shadow)
revealed that the pitot tube was internally sealed off
by some
substance. Even poking and moving with a piece of wire
inside the pitot
it was not possible to get air flow through it, despite
all the stuff
that came out. Whatever was in there was even past the
90 degree bend.
Some insect had made a whole nest or something inside
the tube.
I finally had to take the pitot/static assembly out to
get it cleaned
with compressed air.
To avoid this in the future I would like to use a pitot
cover, but in
the past I could never find a standard cover that fits,
so after many
hours without a cover I thought I could live without
one. Clearly not.
So, has anyone found some suitable standard cover or do
I need to make
something myself?
Frans
Un/Subscription,
Forums!
Admin.
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max8992
Joined: 28 Jul 2011
Posts: 142
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| Posted: Wed Jun 20, 2012 6:44 am Post subject: pitot/static port cover? |
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Hi Frans,
Many standard covers exist for this, just have a look at any catalog (see
http://www.aircraftspruce.com/menus/fb/covers_pitot.html)
You can also use a mail of the correct diameter to close the pitot but make
sure to attach something very visible to it to a void to forget it before
taking-off.
Max Cointe
F-PMLH TriGear Kit #560
912ULS Airmaster 420 hours
mcointe(at)free.fr
-----Message d'origine-----
De : owner-europa-list-server(at)matronics.com
[mailto:owner-europa-list-server(at)matronics.com] De la part de Frans Veldman
Envoyé : mercredi 20 juin 2012 16:45
À : europa-list(at)matronics.com
Objet : pitot/static port cover?
Hi,
On our recent trip to Croatia we left the aircraft for two days on a
very hot airfield. When we came back to depart we discovered that the
ASI was reading 70 knots... (Luckily our pitot system is air tight
otherwise we would have discovered it during our take off run or later).
Investigation (which is no fun on a very hot tarmac without shadow)
revealed that the pitot tube was internally sealed off by some
substance. Even poking and moving with a piece of wire inside the pitot
it was not possible to get air flow through it, despite all the stuff
that came out. Whatever was in there was even past the 90 degree bend.
Some insect had made a whole nest or something inside the tube.
I finally had to take the pitot/static assembly out to get it cleaned
with compressed air.
To avoid this in the future I would like to use a pitot cover, but in
the past I could never find a standard cover that fits, so after many
hours without a cover I thought I could live without one. Clearly not.
So, has anyone found some suitable standard cover or do I need to make
something myself?
Frans
| | - The Matronics Europa-List Email Forum - | | | Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:
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_________________
Max8992
Europa XS #560 F-PMLH |
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rlborger(at)mac.com
Guest
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| Posted: Wed Jun 20, 2012 7:40 am Post subject: pitot/static port cover? |
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Frans,
So, you have those little plug bugs over there too.
I use the "Plane Sights Universal Pitot Tube Cover."
I purchased mine at a booth at Airventure a couple years ago.
This picture is off of Amazon.com where you can do a search on "Pitot Tube Covers" to come up with it and a whole host of other options as well.
| Quote: | Blue skies & tailwinds,
Bob Borger
Europa XS Tri, Rotax 914 w/ Intercooler & Airmaster C/S Prop
Little Toot Sport Biplane, Lycoming AEIO-320 EXP
3705 Lynchburg Dr.
Corinth, TX 76208-5331
H: 940-497-2123
C: 817-992-1117 |
On Jun 20, 2012, at 09:44 AM, Frans Veldman <frans(at)privatepilots.nl> wrote:
| Quote: | --> Europa-List message posted by: Frans Veldman <frans(at)privatepilots.nl (frans(at)privatepilots.nl)>
Hi,
On our recent trip to Croatia we left the aircraft for two days on a
very hot airfield. When we came back to depart we discovered that the
ASI was reading 70 knots... (Luckily our pitot system is air tight
otherwise we would have discovered it during our take off run or later).
Investigation (which is no fun on a very hot tarmac without shadow)
revealed that the pitot tube was internally sealed off by some
substance. Even poking and moving with a piece of wire inside the pitot
it was not possible to get air flow through it, despite all the stuff
that came out. Whatever was in there was even past the 90 degree bend.
Some insect had made a whole nest or something inside the tube.
I finally had to take the pitot/static assembly out to get it cleaned
with compressed air.
To avoid this in the future I would like to use a pitot cover, but in
the past I could never find a standard cover that fits, so after many
hours without a cover I thought I could live without one. Clearly not.
So, has anyone found some suitable standard cover or do I need to make
something myself?
Frans
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klinefelter.kevin(at)gmai
Guest
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| Posted: Wed Jun 20, 2012 12:01 pm Post subject: pitot/static port cover? |
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I used about 8 inches of clear tubing that is sized to slip over the pitot/static, folded in half to go over both. At the fold a nice visible red ribbon held with a zip tie. Same sort of thing on the fuel vent.
Kevin
On Jun 20, 2012, at 7:44 AM, Frans Veldman <frans(at)privatepilots.nl> wrote:
| Quote: |
Hi,
On our recent trip to Croatia we left the aircraft for two days on a
very hot airfield. When we came back to depart we discovered that the
ASI was reading 70 knots... (Luckily our pitot system is air tight
otherwise we would have discovered it during our take off run or later).
Investigation (which is no fun on a very hot tarmac without shadow)
revealed that the pitot tube was internally sealed off by some
substance. Even poking and moving with a piece of wire inside the pitot
it was not possible to get air flow through it, despite all the stuff
that came out. Whatever was in there was even past the 90 degree bend.
Some insect had made a whole nest or something inside the tube.
I finally had to take the pitot/static assembly out to get it cleaned
with compressed air.
To avoid this in the future I would like to use a pitot cover, but in
the past I could never find a standard cover that fits, so after many
hours without a cover I thought I could live without one. Clearly not.
So, has anyone found some suitable standard cover or do I need to make
something myself?
Frans
|
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rparigoris
Joined: 24 Nov 2009
Posts: 791
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| Posted: Wed Jun 20, 2012 5:54 pm Post subject: pitot/static port cover? |
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Hi all
I owned a 1948 Cessna 170 for 19 years. I had a Mud Dabber fill my Pitot once for a bit of excitement even though I had the number two cover on the ACS link that supposedly stays closed until 40 MPH. I was perplexed at how this happened? A few days later at some far off airstrip, it was howling out. I observed the fool pitot cover open, to my amazement i saw a Mud dabber somehow navigate it's way to the opened tube and climb in! That was at about 10 year point. I used a push over the tube with red flag and never had a problem again.
Ron Parigoris
> --> Europa-List message posted by: "Max Cointe" <mcointe(at)free.fr> > > Hi Frans, > > Many standard covers exist for this, just have a look at any catalog (see > http://www.aircraftspruce.com/menus/fb/covers_pitot.html) > You can also use a mail of the correct diameter to close the pitot but > make > sure to attach something very visible to it to a void to forget it before > taking-off. > > Max Cointe > F-PMLH TriGear Kit #560 > 912ULS Airmaster 420 hours > mcointe(at)free.fr > [quote][b]
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Richard Lamprey
Joined: 15 Jul 2011
Posts: 95
Location: Kenya
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| Posted: Fri Jun 22, 2012 6:40 am Post subject: Re: pitot/static port cover? |
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Flying a Cessna in Uganda, I have had an insect (mudwasp) block the pitot with mud over a 1 hour stop at a bush strip!
For the Europa pitot cover, I use a short piece of plastic tube of right diameter to fit, sealed at the end with a long stretch of red duck tape doubled over to form a 50 cm ribbon. Cheap and effective.
Best
Richard
Europa reg 5Y-LRY, Kenya
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Fred Klein
Joined: 26 Mar 2012
Posts: 503
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| Posted: Fri Jun 22, 2012 8:20 am Post subject: pitot/static port cover? |
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On Jun 22, 2012, at 7:40 AM, Richard Lamprey wrote:
| Quote: | For the Europa pitot cover, I use a short piece of plastic tube of
right diameter to fit, sealed at the end with a long stretch of red
duck tape doubled over to form a 50 cm ribbon.
|
..thus we have added one more to the infinite uses of duck tape...
cheers,
Fred
do not archive
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