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Replacing Fuel Level Senders...

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Matt Dralle
Site Admin

Joined: 08 Nov 2005
Posts: 26321
Location: Livermore CA USA

Posted: Tue Jun 08, 2010 8:00 pm Post 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

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!

- The Matronics RV8-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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_________________
Matt Dralle
Matronics Email List Administrator

n223rv(at)wolflakeairport
Guest

Posted: Wed Jun 09, 2010 3:49 am Post subject: 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(at)matronics.com> wrote:



 	  Quote: 	
		   



 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!

- The Matronics RV8-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:

http://www.matronics.com/Navigator?RV8-List

ualpilot3(at)aol.com
Guest

Posted: Wed Jun 09, 2010 6:03 am Post subject: 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



--

- The Matronics RV8-List Email Forum -

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ghinman(at)mts.net
Guest

Posted: Wed Jun 09, 2010 7:13 am Post 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(at)mts.net

- The Matronics RV8-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:

http://www.matronics.com/Navigator?RV8-List

ghinman(at)mts.net
Guest

Posted: Wed Jun 09, 2010 7:51 am Post 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(at)mts.net

- The Matronics RV8-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:

http://www.matronics.com/Navigator?RV8-List

geezer02(at)windstream.ne
Guest

Posted: Wed Jun 09, 2010 3:44 pm Post subject: 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(at)mts.net> wrote: 

 	  Quote: 	
		   

 

 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(at)mts.net

- The Matronics RV8-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:

http://www.matronics.com/Navigator?RV8-List

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