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Fuel tanks

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drfred(at)cox-internet.co
Guest

Posted: Thu Oct 05, 2006 5:42 am Post subject: Fuel tanks

I'm not thinking of putting a fuel injected engine on my RV, but 

installing a return fitting seems like a good idea.  What fitting would 

be the best?  What is typically used? 



Also,  the book places the chapter on the bottom skin after the 

completion of the fuel tanks and before installation of the aileron/flap 

acutation systems.  Are most builders putting off attaching the bottom 

skin until after the flaps/ailerons/acuation system is complete? 



Thanks.



Fred



Proseal is fun........it's the MEK to clean it up that's the problem.

Deems Davis

Joined: 09 Jan 2006
Posts: 925

Posted: Thu Oct 05, 2006 6:12 am Post subject: Fuel tanks

I haven't installed them yet, (wings are stored (at) airport)but here's 

what I got to plumb a return line into one of my tanks.



http://www.safeair1.com/index.htm



Deems Davis # 406

Panel/Finishing

http://deemsrv10.com/



Fred Williams, M.D. wrote:



 	  Quote: 	
		   

 <drfred(at)cox-internet.com>



 I'm not thinking of putting a fuel injected engine on my RV, but 

 installing a return fitting seems like a good idea.  What fitting 

 would be the best?  What is typically used?

 Also,  the book places the chapter on the bottom skin after the 

 completion of the fuel tanks and before installation of the 

 aileron/flap acutation systems.  Are most builders putting off 

 attaching the bottom skin until after the flaps/ailerons/acuation 

 system is complete?

 Thanks.



 Fred



 Proseal is fun........it's the MEK to clean it up that's the problem.

Rick S.

Joined: 12 Feb 2006
Posts: 347
Location: Las Vegas

Posted: Thu Oct 05, 2006 6:37 am Post subject: Fuel tanks

It is a bear to rivet the bottom skins on with the aileron hardware installed, if not impossible in some spots. I did my skins with the tanks on but would have been easier with them off, just make sure no warps, the tanks help keep everything straight while the bottoms go on. An an 6 fitting bulkhead fitting should be adequate to allow you to attach a return line to, a 4 might work but you will need to know the return flow volumn and rate to make sure.



Rick S.

40185



--

_________________
Rick S.
RV-10
40185

rene(at)felker.com
Guest

Posted: Thu Oct 05, 2006 6:53 am Post subject: Fuel tanks

I skipped around and did the fuel tanks, leading edge (outboard), flaps, and

ailerons before I started the main part of the wing.  I did not put the

bottom skin on until the very end........riveting the bottom skin was a pain

in the ..... arm, back, etc.



Rene' Felker

--

rvbuilder(at)sausen.net
Guest

Posted: Thu Oct 05, 2006 8:09 am Post subject: Fuel tanks

If you haven't put the tanks together yet you can install the return

line in the top of the tank just like the feed line.  It is also best

that your return line extends at least 1 or 2 bays so you give the hot

fuel a chance to mix with cooler fuel and eliminate any air bubbles

before it is picked back up.  Best case is to send it to the far bay but

2 should be fine. 



Looking at my AFP FM-300 manual it is looking for anything in AN2-AN4

range for the purge line.  I think the Egg engine is looking for AN5

though so if you can't decide I would just go with that.  Then just get

a couple AN837 and associated fittings and you should be good to go.



Michael Sausen

-10 #352 Fuselage



--

dmaib@me.com

Joined: 25 Apr 2006
Posts: 455
Location: New Smyrna Beach, Florida

Posted: Thu Oct 05, 2006 11:55 am Post subject: Fuel tanks

Deems,

Did you buy the extended range bungs to install for a return line? I have been thinking I might use one of those for a return line.



David Maib

40559

tailcone

 

On Thursday, October 05, 2006, at 07:29AM, Deems Davis <deemsdavis(at)cox.net> wrote:



 	  Quote: 	
		  



I haven't installed them yet, (wings are stored (at) airport)but here's 

what I got to plumb a return line into one of my tanks.



http://www.safeair1.com/index.htm



Deems Davis # 406

Panel/Finishing

http://deemsrv10.com/



Fred Williams, M.D. wrote:



> 

> <drfred(at)cox-internet.com>

>

> I'm not thinking of putting a fuel injected engine on my RV, but 

> installing a return fitting seems like a good idea.  What fitting 

> would be the best?  What is typically used?

> Also,  the book places the chapter on the bottom skin after the 

> completion of the fuel tanks and before installation of the 

> aileron/flap acutation systems.  Are most builders putting off 

> attaching the bottom skin until after the flaps/ailerons/acuation 

> system is complete?

> Thanks.

>

> Fred

>

> Proseal is fun........it's the MEK to clean it up that's the problem.

>

_________________
David Maib
RV-10 #40559
New Smyrna Beach, FL

wcurtis(at)core.com
Guest

Posted: Thu Oct 05, 2006 12:56 pm Post subject: Fuel tanks

No need to buy them from Safeair for $23.95 a pair when Van's sell the VA-112 pre drilled "bung" (same 1/8 NPT "bung" used on fuel tank drain) for about $7.80 each.  See Page 18-2 of the plans, or find it on "The List"  Or you can do what I did here, just in case I want to add an extended range tank: http://wcurtis.nerv10.com/07Wings/wings58a.html  >I haven't installed them yet, (wings are stored (at) airport)but here's  >what I got to plumb a return line into one of my tanks. > >http://www.safeair1.com/index.htm > >Deems Davis # 406 >Panel/Finishing >http://deemsrv10.com/ >  William Curtis http://wcurtis.nerv10.com/  [quote][b]

wcurtis(at)core.com
Guest

Posted: Thu Oct 05, 2006 1:11 pm Post subject: Fuel tanks

Follow the plans Fred.  The bottom skins go on LAST.  Yes, you will get lots of scrapes and scars on your arms--of all the riveting I've done on the RV-10, this was by far the hardest.  Also, an extra person does not help with these, they just get in the way.  You can remove the torque tube temporarily AFTER you have constructed it and made adjustments to rivet the bottom skins.   > > >I'm not thinking of putting a fuel injected engine on my RV, but  >installing a return fitting seems like a good idea.  What >fitting would  >be the best?  What is typically used?  > >Also,  the book places the chapter on the bottom skin after the  >completion of the fuel tanks and before installation of the aileron/flap  >acutation systems.  Are most builders putting off attaching the bottom  >skin until after the flaps/ailerons/acuation system is complete?  > >Thanks. > >Fred >  William Curtis http://wcurtis.nerv10.com/  [quote][b]

dav1111(at)cox.net
Guest

Posted: Thu Oct 05, 2006 1:49 pm Post subject: Fuel tanks

I disagree.  A person to either help you buck  or rivet will make the bottom skins a lot easier.  If you have the wing on  an upright rack even a third person to stand behind the wing to steady it while  the bottom skin is being riveted is also helpful.  There will be a bunch of  rivets that you will probably want to set with pop rivets as well simply because  even with another person bucking they won't be able to reach far enough through  the access panel holes to buck every rivet.

  

 Russ Daves

 N710RV Flying

 See you at LOE 10/13/06

 [quote]   ---

drfred(at)cox-internet.co
Guest

Posted: Thu Oct 05, 2006 2:15 pm Post subject: Fuel tanks

Michael/Deems/Rene



thanks for the iniput.  Ive got a couple ways to go.  I'll probably 

manufacture all the rods and connections , make sure they work, then 

pull them out and then put the skins on.  I'll look for those fittings 

later tonight.  It just looked easier to make sure nothing was rubbing 

and make sure the acuator arms all worked like they were supposed to 

before closing up the wing. 



Fred.

rene(at)felker.com
Guest

Posted: Thu Oct 05, 2006 2:33 pm Post subject: Fuel tanks

I agree with Russ………or do I say I agree to disagree.  Just finished my bottom skins about a month and a half ago.  Two people is a must.  A third can help some, but they will get board.  I did some riveting on a vertical stand, but changed to table.  The table was much easier.  First wing I used two pop rivets the second wing I used 0.  Follow the order very closely and you can get them all even with short arms like me.  Just make sure you start towards the middle of the large sheet and work the center section on both the rear and main spar or you will have to use some pop rivets on the main spar.  Good luck.   

     

Rene' Felker  

        

  

From: owner-rv10-list-server(at)matronics.com [mailto:owner-rv10-list-server(at)matronics.com] On Behalf Of Russell Daves

 Sent: Thursday, October 05, 2006 3:45 PM

 To: rv10-list(at)matronics.com

 Subject: Re: Re: Fuel tanks  

  

     

I disagree.  A person to either help you buck or rivet will make the bottom skins a lot easier.  If you have the wing on an upright rack even a third person to stand behind the wing to steady it while the bottom skin is being riveted is also helpful.  There will be a bunch of rivets that you will probably want to set with pop rivets as well simply because even with another person bucking they won't be able to reach far enough through the access panel holes to buck every rivet.  

    

   

    

Russ Daves  

    

N710RV Flying  

    

See you at LOE 10/13/06  

  [quote]    

---

armywrights(at)adelphia.n
Guest

Posted: Thu Oct 05, 2006 7:15 pm Post subject: Fuel tanks

I agree with Russ, but then I riveted and bucked every one of them myself on my bottom skins, no pop rivets.  The reason I agree with Russ is #1 the experience I now have :], and #2 the amount of bondo I’ll have to use during paint prep to cover the dings and dents that I put in the skins.  

   

Rob Wright  

#392  

         

  

From: owner-rv10-list-server(at)matronics.com [mailto:owner-rv10-list-server(at)matronics.com] On Behalf Of Russell Daves

 Sent: Thursday, October 05, 2006 4:45 PM

 To: rv10-list(at)matronics.com

 Subject: Re: Re: Fuel tanks  

  

     

I disagree.  A person to either help you buck or rivet will make the bottom skins a lot easier.  If you have the wing on an upright rack even a third person to stand behind the wing to steady it while the bottom skin is being riveted is also helpful.  There will be a bunch of rivets that you will probably want to set with pop rivets as well simply because even with another person bucking they won't be able to reach far enough through the access panel holes to buck every rivet.  

    

   

    

Russ Daves  

    

N710RV Flying  

    

See you at LOE 10/13/06  

  [quote]    

---

bob.kaufmann(at)cox.net
Guest

Posted: Thu Oct 05, 2006 8:33 pm Post subject: Fuel tanks

I followed the directions in the plans with the bottom rivets, my wife on the rivet gun and me bucking and we were able to do all the rivets without using pop rivets.  I think it only cost a pint of blood on the left arm and 2/3 of a pint on the right.  Got better with time.  It was a pain in the backsides and the torque tubes absolutely have to be out of the wing, and your arm has to be a long one.  The finished product looks better than the rudder.  

   

Bob K   

   

Except for the blood stains. :<))  

Waiting to see the TEXAS TECH Special.  

         

  

From: owner-rv10-list-server(at)matronics.com [mailto:owner-rv10-list-server(at)matronics.com] On Behalf Of Rob Wright

 Sent: Thursday, October 05, 2006 7:13 PM

 To: rv10-list(at)matronics.com

 Subject: RE: Re: Fuel tanks  

  

   

I agree with Russ, but then I riveted and bucked every one of them myself on my bottom skins, no pop rivets.  The reason I agree with Russ is #1 the experience I now have :], and #2 the amount of bondo I’ll have to use during paint prep to cover the dings and dents that I put in the skins.  

   

Rob Wright  

#392  

         

  

From: owner-rv10-list-server(at)matronics.com [mailto:owner-rv10-list-server(at)matronics.com] On Behalf Of Russell Daves

 Sent: Thursday, October 05, 2006 4:45 PM

 To: rv10-list(at)matronics.com

 Subject: Re: Re: Fuel tanks  

  

     

I disagree.  A person to either help you buck or rivet will make the bottom skins a lot easier.  If you have the wing on an upright rack even a third person to stand behind the wing to steady it while the bottom skin is being riveted is also helpful.  There will be a bunch of rivets that you will probably want to set with pop rivets as well simply because even with another person bucking they won't be able to reach far enough through the access panel holes to buck every rivet.  

    

   

    

Russ Daves  

    

N710RV Flying  

    

See you at LOE 10/13/06  

  [quote]    

---

dav1111(at)cox.net
Guest

Posted: Fri Oct 06, 2006 2:41 am Post subject: Fuel tanks

Thanks to Rene and Rob for agreeing with me.   One thing I forgot to tell you about the pop rivets, on my QB wings two of the  ribs were installed backwards which caused much of the problems in having to go  with about a dozen pop rivets on each bottom skin.  The two ribs were  installed with facing into the center instead of facing out from the  center.  Try bucking all of those even with two people!!   

  

 For all you purists, yes I know I could have  drilled out both ribs and reinstalled them in their proper place but since it  was not a structural issue I just used metal glaze to fill the pop rivet holes  on the bottom skin before painting.

  

 Being one of the first set of deliveries of the QB  wings and fuselage from across the water resulted in a number of things not  being perfect because of the learning curve both at Van's and in the  Philippines.  

  

 Do I regret it?  Not on your  life.

  

 As so many before me have said, don't worry over  the little stuff, just build it, after painting only you will know every little  screw up you made.

  

 Russ Daves

  

 Do Not Archive

 [quote]   ---

Deems Davis

Joined: 09 Jan 2006
Posts: 925

Posted: Sun Oct 08, 2006 2:45 pm Post subject: Fuel tanks

Yup, that's my plan.



Deems Davis # 406

Panel/Finishing

http://deemsrv10.com/



David Maib wrote:



 	  Quote: 	
		  



Deems,

Did you buy the extended range bungs to install for a return line? I have been thinking I might use one of those for a return line.



David Maib

40559

tailcone

 

On Thursday, October 05, 2006, at 07:29AM, Deems Davis <deemsdavis(at)cox.net> wrote:



  



>

>

>I haven't installed them yet, (wings are stored (at) airport)but here's 

>what I got to plumb a return line into one of my tanks.

>

>http://www.safeair1.com/index.htm

>

>Deems Davis # 406

>Panel/Finishing

>http://deemsrv10.com/

>

>Fred Williams, M.D. wrote:

>

>    

>

>>

>><drfred(at)cox-internet.com>

>>

>>I'm not thinking of putting a fuel injected engine on my RV, but 

>>installing a return fitting seems like a good idea.  What fitting 

>>would be the best?  What is typically used?

>>Also,  the book places the chapter on the bottom skin after the 

>>completion of the fuel tanks and before installation of the 

>>aileron/flap acutation systems.  Are most builders putting off 

>>attaching the bottom skin until after the flaps/ailerons/acuation 

>>system is complete?

>>Thanks.

>>

>>Fred

>>

>>Proseal is fun........it's the MEK to clean it up that's the problem.

>>

>>

>>

>>

>>

>>      

>>

>

>    

>

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