Today's Message Index:
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1. 11:36 AM - Re: in-line fuel filters - can you recommend any? (John Hauck)
2. 02:38 PM - Re: air entering fuel system on suction side - or is my Pierburg electrical pump broken? (Sacha)
3. 03:09 PM - Re: in-line fuel filters - can you recommend any? (Sacha)
4. 03:11 PM - Re: air entering fuel system on suction side - or is my Pierburg electrical pump broken? (John Hauck)
5. 05:04 PM - Re: air entering fuel system on suction side - or is my Pierburg (Roger Lee)
6. 05:42 PM - Re: in-line fuel filters - can you recommend any? (Richard Girard)
7. 08:03 PM - Re: in-line fuel filters - can you recommend any? (Guy Buchanan)
Message 1
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| Subject: | in-line fuel filters - can you recommend any? |
The glass tube can be replaced with a 7/8" OD .058" 6061 tube of the
same length. I have been using that set up since the first one I bought
developed a crack in the glass the first night I had it installed.
Never had a problem with aluminum. Easy to inspect by simply
disassembling.
john h
Kolb MKIII - 3,280.0 hours
Titus, Alabama
I have used these on three differ airplanes and never had a problem with
them. Easy to inspect and easy to change filters in.
Message 2
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| Subject: | Re: air entering fuel system on suction side - or is |
my Pierburg electrical pump broken?
Ok so I got rid of all the silicone sealant and cleaned the cork gasket which seals
the VDO sender (it's quite a big gasket with a 40mm diameter hole in the
centre and five 5mm holes for the screws around the perimeter).
Well guess what? The cork seal leaks badly. So I'm back to square one, I need to
find a way to seal the VDO sender on the top of my header tank. I have some
silicone rubber which I thought of cutting to size and using. What do folks think?
Another solution would be to use the same red silicone sealant as I used before
but only to apply it on the exterior of the tank. I'm concerned it might eat
into the cork though as someone (John?) mentioned.
Message 3
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| Subject: | Re: in-line fuel filters - can you recommend any? |
Folks,
Thanks a lot for all the suggestions regarding filters.
Guy, regarding the finger filters, do you happen have a picture of how they are
installed? My wing tanks have no strainers to remove water in the fuel but it's
something I've been wanting to install.
Sacha
Message 4
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| Subject: | air entering fuel system on suction side - or is |
my Pierburg electrical pump broken?
I would definitely keep silicon sealant away from any fuel
system.
Your silicone coated cork gasket is trash. Silicone seal
causes the gasket to squeeze out and leak.
You can get several fuel tank sealant cartridges from
Aircraft Spruce that work well. Also cut your own gasket.
john h
Kolb MKIII
Boise, Idaho
-----Original Message-----
From: owner-rotaxengines-list-server@matronics.com
[mailto:owner-rotaxengines-list-server@matronics.com] On
Behalf Of Sacha
Sent: Saturday, June 28, 2014 3:38 PM
Subject: Re: RotaxEngines-List: air entering fuel system on
suction side - or is my Pierburg electrical pump broken?
<uuccio@gmail.com>
Ok so I got rid of all the silicone sealant and cleaned the
cork gasket which seals the VDO sender (it's quite a big
gasket with a 40mm diameter hole in the centre and five 5mm
holes for the screws around the perimeter).
Well guess what? The cork seal leaks badly. So I'm back to
square one, I need to find a way to seal the VDO sender on
the top of my header tank. I have some silicone rubber which
I thought of cutting to size and using. What do folks think?
Another solution would be to use the same red silicone
sealant as I used before but only to apply it on the
exterior of the tank. I'm concerned it might eat into the
cork though as someone (John?) mentioned.
=
Photoshare, and much much more:
http://www.matronics.com/Navigator?RotaxEngines-List
=
=
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Message 5
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| Subject: | Re: air entering fuel system on suction side - or is |
my Pierburg
Get a new gasket. The buy some Hylomar. This is meant to be used around fuel and
will not leak. Do not over use it. I little thin film on each surface will seal
just fine.
--------
Roger Lee
Tucson, Az.
Light Sport Repairman - Maintenance Rated
Rotax Repair Center - Heavy Maint. Rated
Home 520-574-1080 TRY HOME FIRST
Cell 520-349-7056
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=425695#425695
Message 6
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| Subject: | Re: in-line fuel filters - can you recommend any? |
Vance, As far as I can tell from their website, Purolator no longer makes
the Proline filter or the Clearview filter that preceded it.
You can find a version of the filter at auto parts stores under the Mr.
Gasket brand. You have to be really careful as they market two kinds and
the quality difference between them is dramatic. You can tell them apart by
the center section that threads into the ends. The cheapos, that I wouldn't
put on ANYTHING, much less an aircraft, has a flat molded piece about 1/8"
thick in the center. It has no way to seal the filter element and on some
the threads are so poorly molded that the ends are not held parallel so the
seals are very unevenly compressed against the glass body of the filter.
This model usually comes with plastic barbed fittings to accommodate three
sizes of fuel line. The chrome plating on the ends usually has so much
build up on the thread that you cannot substitute aluminum or brass barbed
fittings for the plastic.
The better quality version has a round center section and a jam nut to seal
the filter. They also have one piece ends that have the barbed fitting as a
unit. Unfortunately they are only available in 5/16" and 3/8" sizes.
Bottom line, any Clearview style filter from the auto parts stores has to
be carefully inspected to make sure it is robust enough to be put on an
aircraft. If you cannot tell while it's in the package, ask the counter
person to take it out of the package for you. If they won't do it, go to
another store. Inspecting the filter before buying will save you the hassle
of having to take it back later.
Rick Girard
On Sat, Jun 28, 2014 at 5:07 PM, Sacha <uuccio@gmail.com> wrote:
>
> Folks,
> Thanks a lot for all the suggestions regarding filters.
> Guy, regarding the finger filters, do you happen have a picture of how
> they are installed? My wing tanks have no strainers to remove water in the
> fuel but it's something I've been wanting to install.
> Sacha
>
>
--
Zulu Delta
Mk IIIC
Thanks, Homer GBYM
It isn't necessary to have relatives in Kansas City in order to be unhappy.
- Groucho Marx
Message 7
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| Subject: | Re: in-line fuel filters - can you recommend any? |
No picture. The finger strainers are pipe thread reducers attached to
course mesh finger size screens. The male is threaded into the Kitfox's
fiberglass tank, bedded with 2-part polysulfide sealant. (Yes, the
expensive stuff. As an aside for all you other guys debating RTV. I
tried everything in the auto and plumbing store trying to seal 100LL
fittings. The only thing that worked absolutely reliably was the ACS
2-part polysulfide.) I then have a male pipe to barb adapter threaded
into the finger female. Hose attaches to the barb. Very straight-forward
if you can use pipe threads in your tank.
Guy Buchanan
Ramona, CA
Kitfox IV-1200 / 912-S / Warp 3cs / 500 hrs. and grounded
Now a glider pilot, too.
On 6/28/2014 3:07 PM, Sacha wrote:
>
> Folks,
> Thanks a lot for all the suggestions regarding filters.
> Guy, regarding the finger filters, do you happen have a picture of how they are
installed? My wing tanks have no strainers to remove water in the fuel but
it's something I've been wanting to install.
> Sacha
>
>
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