Today's Message Index:
----------------------
1. 03:32 AM - Re: Replacing Fuel Level Senders... (Ralph E. Capen)
2. 12:27 PM - Re: Replacing Fuel Level Senders... (Ed Holyoke)
3. 12:39 PM - Re: Replacing Fuel Level Senders... (Ralph E. Capen)
4. 06:21 PM - Replacing Fuel Level Senders (DEAN PSIROPOULOS)
Message 1
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Subject: | Re: Replacing Fuel Level Senders... |
I've pulled a sender out of the gap without removing the tank. I had a
float that seemed to be stuck - ended up being a glob of fuel-lube. Put
it back together - works fine.....
Ralph
RV6A N822AR @ N06 68 hrs....
----- Original Message -----
From: Vanremog@aol.com
To: rv-list@matronics.com
Sent: Wednesday, June 09, 2010 2:40 AM
Subject: Re: RV-List: Replacing Fuel Level Senders...
Matt-
I'm going to go on record as recommending you drain and remove the
tanks to do this job. If you can do it thru the wing fairing gap you
are a better man than I.
N1GV (RV-6A Flying 944TTAE Silicon Valley, CA)
"I know what you're thinking, punk," hissed Wordy Harry to his new
editor, "you're thinking, 'Did he use six superfluous adjectives or only
five?' - and to tell the truth, I forgot myself in all this excitement;
but being as this is English, the most powerful language in the world,
whose subtle nuances will blow your head clean off, you've got to ask
yourself one question: 'Do I feel loquacious?' - well do you, punk?"
In a message dated 6/8/2010 9:01:32 P.M. Pacific Daylight Time,
dralle@matronics.com writes:
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.
Message 2
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Subject: | Re: Replacing Fuel Level Senders... |
It ain't easy, but can be done. If you put the plate on with phillips
head screws, the trick is using an acme bit and some sort of ratcheting
right angle driver. Got to get a lot of pressure onto the screw head or
you're screwed. ;-( I used allen head socket screws and it makes life
easier. That's just to get the plate off. Getting the old sender out and
the new sender in through the small gap in the wing root may well be
beyond difficult. Since you're not yet painted, why not pull the tanks?
You could run one dry at altitude, land on the other one, pull the tank
and do the work and then do the same with the other side. I found that,
when I ran my tanks dry (one per flight, please), I had very little fuel
left in the tank. I ran until the fuel pressure dropped off, turned on
the pump and ran 'til the engine quit. Took about five or six seconds to
restart after switching tanks. This was with a carbureted engine. Not
sure how quick it'd come back with injection, but shouldn't be a problem.
Be careful and good luck,
Ed Holyoke
Matt Dralle 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: | Re: Replacing Fuel Level Senders... |
I installed with bolt-head screws which allowed me to use a ratchet and socket.
-----Original Message-----
>From: Ed Holyoke <bicyclop@pacbell.net>
>Sent: Jun 9, 2010 3:17 PM
>To: rv-list@matronics.com
>Subject: Re: RV-List: Replacing Fuel Level Senders...
>
>
>It ain't easy, but can be done. If you put the plate on with phillips
>head screws, the trick is using an acme bit and some sort of ratcheting
>right angle driver. Got to get a lot of pressure onto the screw head or
>you're screwed. ;-( I used allen head socket screws and it makes life
>easier. That's just to get the plate off. Getting the old sender out and
>the new sender in through the small gap in the wing root may well be
>beyond difficult. Since you're not yet painted, why not pull the tanks?
>You could run one dry at altitude, land on the other one, pull the tank
>and do the work and then do the same with the other side. I found that,
>when I ran my tanks dry (one per flight, please), I had very little fuel
>left in the tank. I ran until the fuel pressure dropped off, turned on
>the pump and ran 'til the engine quit. Took about five or six seconds to
>restart after switching tanks. This was with a carbureted engine. Not
>sure how quick it'd come back with injection, but shouldn't be a problem.
>
>Be careful and good luck,
>
>Ed Holyoke
>
>Matt Dralle 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 4
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Subject: | Replacing Fuel Level Senders |
Hate to tell you this Matt:
But I installed the inexpensive Van's capacitive sensors when I built my
tanks and later bought the not-so-inexpensive EI gauge that goes with them.
Another of the Van's solutions that works great. Unfortunately you won't be
able to install the sensors in your finished tanks without some major
surgery (I wouldn't). Taking the tanks off to install the float type sender
is easiest way and shouldn't take but a weekend to do. Been there done that
(to repair an accessable leak) earlier in Delta Mikes flying career.
Definately want to bite the bullet before you paint. I know how you feel
though, spent one of my recent weekends fiddling with my EzPilot trying to
get everything working so "George" can fly once in a while when I look at
charts. It's been a year and a half since the airplane first flew and I
really didn't want to spend my weekend wrenching on the plane but...it was
worth it in the end. Regards
Dean N197DM
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