Today's Message Index:
----------------------
1. 04:49 AM - Re: Replacing Fuel Level Senders... (Michael Kraus)
2. 07:03 AM - Re: Replacing Fuel Level Senders... (ualpilot3@aol.com)
3. 08:13 AM - Replacing Fuel Level Senders... (George Inman 204 287 8334)
4. 08:51 AM - Replacing Fuel Level Senders... (George Inman 204 287 8334)
5. 09:31 AM - Re: Replacing Fuel Level Senders (Speedy11@aol.com)
6. 10:09 AM - Re: Replacing Fuel Level Senders (Speedy11@aol.com)
7. 11:11 AM - Re: Re: Replacing Fuel Level Senders (Terry Watson)
8. 01:19 PM - Van's Float type fuel indicator sensor bending accuracy (Vince Himsl)
9. 04:44 PM - Re: Replacing Fuel Level Senders... ()
10. 05:43 PM - Re: Re: fuel selector-(both) (Gordon or Marge)
Message 1
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Subject: | Re: Replacing Fuel Level Senders... |
I removed my tanks on my RV-4 to make some modifications. I don't
remember it being a big deal at all. I think it took less than 20
minutes per side with a drill motor. I think you'd have a much easier
time in removing the tanks and doing it that way.
Just one builders opinion....
-Mike
Sent from my iPhone
On Jun 9, 2010, at 12:00 AM, Matt Dralle <dralle@matronics.com> wrote:
>
> Dear Listers,
>
> Well, okay, so I've resigned myself to replacing my Princeton
> capacitance fuel level probes with the standard S&W float probea
> from Van's. Has anyone replaced these without removing the wing or
> the fuel tank from the airplane? Basically just doing it from
> underneath the airplane through the gap afforded by the fuselage-to-
> wing fairing? Is this even possible?
>
> I know that it won't be possible to remove the Princeton units
> without destroying them, but can the S&W probes be installed? If I
> can do it without pulling the fuel tanks or wings off, then I might
> just tackle this sooner than later. But if the tanks have to come
> off, then I might procrastinate more and enjoy the great flying
> weather. That being said, I'm going in for paint in either August
> or October and it has to be complete before then either way.
>
> Arg, why couldn't those Princeton probes just work? Geeze, how much
> do you have to spend to get a product that works. How frustrating.
>
> So, how accurate are the bending dimensions on the Van's plans for
> the S&W float arms? I've got no way to test or trial fit these
> units so its a one-shot deal. I've already pulled the probes out
> once, I definitely don't want to do this again!
>
> Thanks for the insight...
>
>
> Matt Dralle
> RV-8 #82880 N998RV
> http://www.mattsrv8.com - Matt's RV-8 Construction Blog
> http://www.youtube.com/MattsRV8 - Matt's RV-8 HDTV YouTube Channel
> Status: Enjoying The Fruits of 2500 Hours of Labor!
>
>
Message 2
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Subject: | Re: Replacing Fuel Level Senders... |
Matt,
I just pulled the fuel senders off a RV-8A to replace the gasket. It
is no problem doing it through the tank-fuselage space. Call me if you
have any questions. 210-887-4546
Les Bourne
-----Original Message-----
From: Michael Kraus <n223rv@wolflakeairport.net>
Sent: Wed, Jun 9, 2010 6:45 am
Subject: Re: RV8-List: Replacing Fuel Level Senders...
<n223rv@wolflakeairport.net>
I removed my tanks on my RV-4 to make some modifications. I don't
remember it being a big deal at all. I think it took less than 20
minutes per side with a drill motor. I think you'd have a much easier
time in removing the tanks and doing it that way.
Just one builders opinion....
-Mike
Sent from my iPhone
On Jun 9, 2010, at 12:00 AM, Matt Dralle <dralle@matronics.com> wrote:
>
> Dear Listers,
>
> Well, okay, so I've resigned myself to replacing my Princeton >
capacitance fuel level probes with the standard S&W float probea > from
Van's. Has anyone replaced these without removing the wing or > the
fuel tank from the airplane? Basically just doing it from > underneath
the airplane through the gap afforded by the fuselage-to-> wing
fairing? Is this even possible?
>
> I know that it won't be possible to remove the Princeton units >
without destroying them, but can the S&W probes be installed? If I >
can do it without pulling the fuel tanks or wings off, then I might >
just tackle this sooner than later. But if the tanks have to come >
off, then I might procrastinate more and enjoy the great flying >
weather. That being said, I'm going in for paint in either August > or
October and it has to be complete before then either way.
>
> Arg, why couldn't those Princeton probes just work? Geeze, how much >
do you have to spend to get a product that works. How frustrating.
>
> So, how accurate are the bending dimensions on the Van's plans for >
the S&W float arms? I've got no way to test or trial fit these > units
so its a one-shot deal. I've already pulled the probes out > once, I
definitely don't want to do this again!
>
> Thanks for the insight...
>
>
> Matt Dralle
> RV-8 #82880 N998RV
> http://www.mattsrv8.com - Matt's RV-8 Construction Blog
> http://www.youtube.com/MattsRV8 - Matt's RV-8 HDTV YouTube Channel
> Status: Enjoying The Fruits of 2500 Hours of Labor!
>
>
Message 3
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Subject: | Replacing Fuel Level Senders... |
Dear Listers,
Well, okay, so I've resigned myself to replacing my Princeton capacitance fuel
level probes with the standard S&W float probea from Van's. Has anyone replaced
these without removing the wing or the fuel tank from the airplane? Basically
just doing it from underneath the airplane through the gap afforded by the
fuselage-to-wing fairing? Is this even possible?
I know that it won't be possible to remove the Princeton units without destroying
them, but can the S&W probes be installed? If I can do it without pulling
the fuel tanks or wings off, then I might just tackle this sooner than later.
But if the tanks have to come off, then I might procrastinate more and enjoy
the great flying weather. That being said, I'm going in for paint in either August
or October and it has to be complete before then either way.
Arg, why couldn't those Princeton probes just work? Geeze, how much do you have
to spend to get a product that works. How frustrating.
So, how accurate are the bending dimensions on the Van's plans for the S&W float
arms? I've got no way to test or trial fit these units so its a one-shot deal.
I've already pulled the probes out once, I definitely don't want to do this
again!
Thanks for the insight...
Matt Dralle
RV-8 #82880 N998RV
Matt
I managed to remove and re-install my fuel senders
without removing the wing.
So you should be able to install them.
The bending instructions are fairly accurate,but you will have
to snap out and reverse the float on one side ,or it will hit
an angle on bottom of the tank.
George H. Inman
ghinman@mts.net
Message 4
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Subject: | Replacing Fuel Level Senders... |
Dear Listers,
Well, okay, so I've resigned myself to replacing my Princeton
capacitance fuel
level probes with the standard S&W float probea from Van's. Has anyone
replaced
these without removing the wing or the fuel tank from the airplane?
Basically
just doing it from underneath the airplane through the gap afforded by the
fuselage-to-wing fairing? Is this even possible?
I know that it won't be possible to remove the Princeton units without
destroying
them, but can the S&W probes be installed? If I can do it without pulling
the fuel tanks or wings off, then I might just tackle this sooner than
later.
But if the tanks have to come off, then I might procrastinate more and
enjoy
the great flying weather. That being said, I'm going in for paint in
either August
or October and it has to be complete before then either way.
Arg, why couldn't those Princeton probes just work? Geeze, how much do
you have
to spend to get a product that works. How frustrating.
So, how accurate are the bending dimensions on the Van's plans for the
S&W float
arms? I've got no way to test or trial fit these units so its a
one-shot deal.
I've already pulled the probes out once, I definitely don't want to do this
again!
Thanks for the insight...
Matt Dralle
RV-8 #82880 N998RV
Matt
I managed to remove and re-install my fuel senders
without removing the wing.
So you should be able to install them.
The bending instructions are fairly accurate,but you will have
to snap out and reverse the float on one side ,or it will hit
an angle on bottom of the tank.
--
George H. Inman
ghinman@mts.net
Message 5
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Subject: | Re: Replacing Fuel Level Senders |
Matt,
Too bad you couldn't have removed them earlier. Well, I'm in the same
boat. And I've been thinking about removing mine also.
I haven't done it, but I believe you will be able to remove the old probes
and install the float type without removing the tanks. I'm basing this
guesstimate on eyeball, but my eyeball is often correct.
My Princeton fuel probes are absolutely worthless. I recommend anyone
considering buying them to consider something else - anything else.
I'm using timing and fuel flow to determine my fuel tank levels - however I
have an advantage with a "Both" selection on my fuel selector.
I, for one, will be awaiting your report on how the removal/replacement
went.
Stan Sutterfield
Well, okay, so I've resigned myself to replacing my Princeton capacitance
fuel
level probes with the standard S&W float probea from Van's. Has anyone
replaced
these without removing the wing or the fuel tank from the airplane?
Basically
just doing it from underneath the airplane through the gap afforded by the
fuselage-to-wing fairing? Is this even possible?
I know that it won't be possible to remove the Princeton units without
destroying
them, but can the S&W probes be installed? If I can do it without pulling
the fuel tanks or wings off, then I might just tackle this sooner than
later.
But if the tanks have to come off, then I might procrastinate more and
enjoy
the great flying weather. That being said, I'm going in for paint in
either August
or October and it has to be complete before then either way.
Arg, why couldn't those Princeton probes just work? Geeze, how much do
you have
to spend to get a product that works. How frustrating.
So, how accurate are the bending dimensions on the Van's plans for the S&W
float
arms? I've got no way to test or trial fit these units so its a one-shot
deal.
I've already pulled the probes out once, I definitely don't want to do
this
again!
Message 6
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Subject: | Re: Replacing Fuel Level Senders |
Matt,
Too bad you couldn't have removed them earlier. Well, I'm in the same
boat. And I've been thinking about removing mine also.
I haven't done it, but I believe you will be able to remove the old probes
and install the float type without removing the tanks. I'm basing this
guesstimate on eyeball, but my eyeball is often correct.
My Princeton fuel probes are absolutely worthless. I recommend anyone
considering buying them to consider something else - anything else.
I'm using timing and fuel flow to determine my fuel tank levels - however I
have an advantage with a "Both" selection on my fuel selector.
I, for one, will be awaiting your report on how the removal/replacement
went.
Stan Sutterfield
Well, okay, so I've resigned myself to replacing my Princeton capacitance
fuel
level probes with the standard S&W float probea from Van's. Has anyone
replaced
these without removing the wing or the fuel tank from the airplane?
Basically
just doing it from underneath the airplane through the gap afforded by the
fuselage-to-wing fairing? Is this even possible?
I know that it won't be possible to remove the Princeton units without
destroying
them, but can the S&W probes be installed? If I can do it without pulling
the fuel tanks or wings off, then I might just tackle this sooner than
later.
But if the tanks have to come off, then I might procrastinate more and
enjoy
the great flying weather. That being said, I'm going in for paint in
either August
or October and it has to be complete before then either way.
Arg, why couldn't those Princeton probes just work? Geeze, how much do
you have
to spend to get a product that works. How frustrating.
So, how accurate are the bending dimensions on the Van's plans for the S&W
float
arms? I've got no way to test or trial fit these units so its a one-shot
deal.
I've already pulled the probes out once, I definitely don't want to do
this
again!
Message 7
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Subject: | Re: Replacing Fuel Level Senders |
Stan,
Isn't there a cross-feed problem with a 'both' fuel selector on a low wing
plane like an RV? Did you find a way to deal with that?
Terry
From: owner-rv8-list-server@matronics.com
[mailto:owner-rv8-list-server@matronics.com] On Behalf Of Speedy11@aol.com
Sent: Wednesday, June 09, 2010 9:15 AM
Subject: RV8-List: Re: Replacing Fuel Level Senders
Matt,
Too bad you couldn't have removed them earlier. Well, I'm in the same boat.
And I've been thinking about removing mine also.
I haven't done it, but I believe you will be able to remove the old probes
and install the float type without removing the tanks. I'm basing this
guesstimate on eyeball, but my eyeball is often correct.
My Princeton fuel probes are absolutely worthless. I recommend anyone
considering buying them to consider something else - anything else.
I'm using timing and fuel flow to determine my fuel tank levels - however I
have an advantage with a "Both" selection on my fuel selector.
I, for one, will be awaiting your report on how the removal/replacement
went.
Stan Sutterfield
Well, okay, so I've resigned myself to replacing my Princeton capacitance
fuel
level probes with the standard S&W float probea from Van's. Has anyone
replaced
these without removing the wing or the fuel tank from the airplane?
Basically
just doing it from underneath the airplane through the gap afforded by the
fuselage-to-wing fairing? Is this even possible?
I know that it won't be possible to remove the Princeton units without
destroying
them, but can the S&W probes be installed? If I can do it without pulling
the fuel tanks or wings off, then I might just tackle this sooner than
later.
But if the tanks have to come off, then I might procrastinate more and enjoy
the great flying weather. That being said, I'm going in for paint in either
August
or October and it has to be complete before then either way.
Arg, why couldn't those Princeton probes just work? Geeze, how much do you
have
to spend to get a product that works. How frustrating.
So, how accurate are the bending dimensions on the Van's plans for the S&W
float
arms? I've got no way to test or trial fit these units so its a one-shot
deal.
I've already pulled the probes out once, I definitely don't want to do this
again!
Message 8
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Subject: | Van's Float type fuel indicator sensor bending accuracy |
I have the standard float type from Van's.
Following the bending instructions and Dynon D-180 cal procedure, my floats
top out at about 16+ gallons (Dynon d-180 cal) and bottom with roughly 2
gallons remaining. I have no problem with that.
On the ground I use visual inspection and the fuel flow sensor to gauge tank
quantity. In the air I add in the fuel level indications; I have a tail
dragger.
On the ground a tail dragger fuel level indication is useless but in the air
I rely on it as the last word even with the inaccuracies and erroneous
deflections caused by the rigors of flight. If you are getting down around
7 gallons in each tank, you have @ 1.5 hours left and are (prudently)
looking for a place to fill up.
Assuming full tanks, my bladder goes yellow at 20 gal then red at 15; my
brain goes yellow at 10, then red at 8; finally, my Dynon goes yellow at 7
(each tank) and red at 5.
My fuel flow sensor (again from Dynon) has been surprisingly accurate. Any
inaccuracy has been caused by filling the tanks too fast not allowing time
for the fuel to settle past the baffles. In other words you have to fill
and then wait for the gas to settle a couple of times else you won't really
have full tanks. The fuel flow sensor won't catch this (you tell it when you
add gas), but the float indicator will, starting at @ 15 gals each tank.
So due to the nature of flight, regulations and safety, the question should
not be "Are my fuel level indicators accurate?" The question should be "Are
my fuel level indicators accurate enough?"
Regards,
Vince H.
RV-8 N8432 57 hours
From: owner-rv8-list-server@matronics.com
[mailto:owner-rv8-list-server@matronics.com] On Behalf Of Terry Watson
Sent: June 09, 2010 10:33 AM
Subject: RE: RV8-List: Re: Replacing Fuel Level Senders
Stan,
Isn't there a cross-feed problem with a 'both' fuel selector on a low wing
plane like an RV? Did you find a way to deal with that?
Terry
From: owner-rv8-list-server@matronics.com
[mailto:owner-rv8-list-server@matronics.com] On Behalf Of Speedy11@aol.com
Sent: Wednesday, June 09, 2010 9:15 AM
Subject: RV8-List: Re: Replacing Fuel Level Senders
Matt,
Too bad you couldn't have removed them earlier. Well, I'm in the same boat.
And I've been thinking about removing mine also.
I haven't done it, but I believe you will be able to remove the old probes
and install the float type without removing the tanks. I'm basing this
guesstimate on eyeball, but my eyeball is often correct.
My Princeton fuel probes are absolutely worthless. I recommend anyone
considering buying them to consider something else - anything else.
I'm using timing and fuel flow to determine my fuel tank levels - however I
have an advantage with a "Both" selection on my fuel selector.
I, for one, will be awaiting your report on how the removal/replacement
went.
Stan Sutterfield
Well, okay, so I've resigned myself to replacing my Princeton capacitance
fuel
level probes with the standard S&W float probea from Van's. Has anyone
replaced
these without removing the wing or the fuel tank from the airplane?
Basically
just doing it from underneath the airplane through the gap afforded by the
fuselage-to-wing fairing? Is this even possible?
I know that it won't be possible to remove the Princeton units without
destroying
them, but can the S&W probes be installed? If I can do it without pulling
the fuel tanks or wings off, then I might just tackle this sooner than
later.
But if the tanks have to come off, then I might procrastinate more and enjoy
the great flying weather. That being said, I'm going in for paint in either
August
or October and it has to be complete before then either way.
Arg, why couldn't those Princeton probes just work? Geeze, how much do you
have
to spend to get a product that works. How frustrating.
So, how accurate are the bending dimensions on the Van's plans for the S&W
float
arms? I've got no way to test or trial fit these units so its a one-shot
deal.
I've already pulled the probes out once, I definitely don't want to do this
again!
http://www.matronics.com/Navigator?RV8-List
http://forums.matronics.com
http://www.matronics.com/contribution
Message 9
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Subject: | Re: Replacing Fuel Level Senders... |
You can install the Van fuel floats without removing the wing. I don't know about
removing the present probes. It will be eaiser if you didn't use pro seal or
some other material on the gaskets.
Louis Dunn
RV8 some day
---- George Inman 204 287 8334 <ghinman@mts.net> wrote:
>
> Dear Listers,
>
> Well, okay, so I've resigned myself to replacing my Princeton
> capacitance fuel
> level probes with the standard S&W float probea from Van's. Has anyone
> replaced
> these without removing the wing or the fuel tank from the airplane?
> Basically
> just doing it from underneath the airplane through the gap afforded by the
> fuselage-to-wing fairing? Is this even possible?
>
> I know that it won't be possible to remove the Princeton units without
> destroying
> them, but can the S&W probes be installed? If I can do it without pulling
> the fuel tanks or wings off, then I might just tackle this sooner than
> later.
> But if the tanks have to come off, then I might procrastinate more and
> enjoy
> the great flying weather. That being said, I'm going in for paint in
> either August
> or October and it has to be complete before then either way.
>
> Arg, why couldn't those Princeton probes just work? Geeze, how much do
> you have
> to spend to get a product that works. How frustrating.
>
> So, how accurate are the bending dimensions on the Van's plans for the
> S&W float
> arms? I've got no way to test or trial fit these units so its a
> one-shot deal.
> I've already pulled the probes out once, I definitely don't want to do this
> again!
>
> Thanks for the insight...
>
>
> Matt Dralle
> RV-8 #82880 N998RV
>
>
>
>
> Matt
>
> I managed to remove and re-install my fuel senders
> without removing the wing.
> So you should be able to install them.
> The bending instructions are fairly accurate,but you will have
> to snap out and reverse the float on one side ,or it will hit
> an angle on bottom of the tank.
>
> --
>
> George H. Inman
> ghinman@mts.net
>
>
>
>
>
>
Message 10
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Subject: | Re: fuel selector-(both) |
-----Original Message-----
From: owner-rv8-list-server@matronics.com
[mailto:owner-rv8-list-server@matronics.com] On Behalf Of Speedy11@aol.com
Sent: Wednesday, June 09, 2010 12:15 PM
Subject: RV8-List: Re: Replacing Fuel Level Senders
Matt,
My Princeton fuel probes are absolutely worthless. I recommend anyone
considering buying them to consider something else - anything else.
I'm using timing and fuel flow to determine my fuel tank levels - however I
have an advantage with a "Both" selection on my fuel selector.
I, for one, will be awaiting your report on how the removal/replacement
went.
Stan Sutterfield
Stan: You may be fine with a "both" position but my experience with the
RV-4 was not. If you haven't already, I suggest an in flight test. With
the -4 I found that fuel would flow from the dominant tank to the other and
when it (the other) was full, fuel went overboard. The transfer was rapid
enough that ~4 gal was transferred in about 15 minutes. Fuel can emerge
from the cap, flow to the flap gap and then flow inboard to the
wing/fuselage gap.
Gordon Comfort
N363GC
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