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Jimmy Young
Joined: 24 Nov 2007
Posts: 182
Location: Missouri City, TX
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 Posted: Tue Dec 04, 2007 6:24 pm Post subject: need advice on extra fuel tank hook up |
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I've got a Firestar II, and there is plenty of room behind the seat to add a temp. 5 gal tank for extended trips. I know many Kolb owners use extra tanks for the same purpose, but I've never seen how they have them hooked up. I was thinking of teeing off my fuel line and having a shut off valve in that line so when I'm not using the extra tank I could easily remove it and shut off the valve. Any suggestions? Also, is anyone using quick-disconnect fittings on this type of set up in place of a shut off valve? By the way, I can mount the extra tank so it is at the same level as my existing 2 tanks, so when connected the fuel levels would be the same.
Thanks for any advice.
Jimmy Young
2 lessons away from my Sport Pilot license.
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_________________
Jimmy Young
Missouri City, TX
Kolb FS II/HKS 700 |
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Richard Pike
Joined: 09 Jan 2006
Posts: 1671
Location: Blountville, Tennessee
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| Posted: Tue Dec 04, 2007 7:33 pm Post subject: need advice on extra fuel tank hook up |
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We added a few extra gallons to the local FSII, here is the web page of
how we did it - feel this is a lot safer than a tank sitting in the back
seat -
http://www.bcchapel.org/pages/0003/FSIITankMods.html
Richard Pike
MKIII N420P (420ldPoops)
Jimmy Young wrote:
| Quote: | I've got a Firestar II, and there is plenty of room behind the seat to
add a temp. 5 gal tank for extended trips. I know many Kolb owners use
extra tanks for the same purpose, but I've never seen how they have
them hooked up. I was thinking of teeing off my fuel line and having a
shut off valve in that line so when I'm not using the extra tank I
could easily remove it and shut off the valve. Any suggestions? Also,
is anyone using quick-disconnect fittings on this type of set up in
place of a shut off valve? By the way, I can mount the extra tank so
it is at the same level as my existing 2 tanks, so when connected the
fuel levels would be the same.
Thanks for any advice.
Jimmy Young
2 lessons away from my Sport Pilot license.
|
Jimmy Young wrote:
| Quote: | I've got a Firestar II, and there is plenty of room behind the seat to
add a temp. 5 gal tank for extended trips. I know many Kolb owners use
extra tanks for the same purpose, but I've never seen how they have
them hooked up. I was thinking of teeing off my fuel line and having a
shut off valve in that line so when I'm not using the extra tank I
could easily remove it and shut off the valve. Any suggestions? Also,
is anyone using quick-disconnect fittings on this type of set up in
place of a shut off valve? By the way, I can mount the extra tank so
it is at the same level as my existing 2 tanks, so when connected the
fuel levels would be the same.
Thanks for any advice.
Jimmy Young
2 lessons away from my Sport Pilot license.
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_________________
Richard Pike
Kolb MKIII N420P (420ldPoops)
Kingsport, TN 3TN0
Forgiving is tough, being forgiven is wonderful, and God's grace really is amazing. |
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lcottrell
Joined: 29 May 2006
Posts: 1494
Location: Jordan Valley, Or
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| Posted: Tue Dec 04, 2007 8:33 pm Post subject: need advice on extra fuel tank hook up |
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[quote] ---
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_________________
do not archive |
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Wade Lawicki
Joined: 27 May 2007
Posts: 31
Location: Nashville Tn.
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| Posted: Wed Dec 05, 2007 5:11 pm Post subject: Re: need advice on extra fuel tank hook up |
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Jimmy,
I used a boat quick connect for my aux tank that i set in the rear seat allowing me an extra 6 gallons of fuel for 16 total. main tank and aux are on the same shutoff, works great
Fly Safe,
Wade
do not archive
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Jim ODay
Joined: 09 Jul 2007
Posts: 61
Location: Fargo North Dakota
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| Posted: Wed Dec 05, 2007 5:46 pm Post subject: Re: need advice on extra fuel tank hook up |
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Richard:
Did you ever have any problems with PVC and gasoline? I have seen where PVC has dissolved in gasoline and fuel oil piping installations.
Yours is a nifty set-up. Every plane I have owned could use more tanks.
Fly safe,
Jim
do not archive
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Jim O'Day
Fargo, ND
Former Firestar II Builder/Pilot |
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Richard Pike
Joined: 09 Jan 2006
Posts: 1671
Location: Blountville, Tennessee
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| Posted: Wed Dec 05, 2007 7:38 pm Post subject: need advice on extra fuel tank hook up |
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We made up a test length of pipe and capped it off, filled it with gas
and let it set for several days. Then dumped the gas out and and
immediately checked it for softness or deterioration of the glue joint.
Nothing noted, but that doesn't mean it won't go bad in ten years...
Richard Pike
MKIII N420P (420ldPoops)
Jim ODay wrote:
| Quote: |
Richard:
Did you ever have any problems with PVC and gasoline? I have seen where PVC has dissolved in gasoline and fuel oil piping installations.
Yours is a nifty set-up. Every plane I have owned could use more tanks.
Fly safe,
Jim
do not archive
--------
Jim O'Day
Fargo, ND
Firestar II
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=150674#150674
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_________________
Richard Pike
Kolb MKIII N420P (420ldPoops)
Kingsport, TN 3TN0
Forgiving is tough, being forgiven is wonderful, and God's grace really is amazing. |
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ceengland(at)bellsouth.ne
Guest
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| Posted: Thu Dec 06, 2007 6:18 pm Post subject: need advice on extra fuel tank hook up |
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If plastic really worries you, look into aluminum irrigation tubing.
Several different diameters available, up to at least 6" (I just built a
hangar door using it). You'll probably have to make your own end caps,
but with Proseal sealant & closed end pop rivets, construction would be
fairly simple.
Charlie
Richard Pike wrote:
| Quote: |
We made up a test length of pipe and capped it off, filled it with gas
and let it set for several days. Then dumped the gas out and and
immediately checked it for softness or deterioration of the glue joint.
Nothing noted, but that doesn't mean it won't go bad in ten years...
Richard Pike
MKIII N420P (420ldPoops)
Jim ODay wrote:
>
>
> Richard:
>
> Did you ever have any problems with PVC and gasoline? I have seen
> where PVC has dissolved in gasoline and fuel oil piping installations.
>
> Yours is a nifty set-up. Every plane I have owned could use more tanks.
>
> Fly safe,
>
> Jim
>
> do not archive
>
> --------
> Jim O'Day
> Fargo, ND
> Firestar II
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azfirestar
Joined: 08 Dec 2007
Posts: 25
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| Posted: Sat Dec 08, 2007 8:39 pm Post subject: Re: need advice on extra fuel tank hook up |
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If you want more range then you might want to get the 6 gal tanks from Kolb. I bought two of them and they fit fine in my Firestar II. The new tanks actually hold 6.5 gal when filled as high as the old ones needed to be to get 5 gal. I also switched to a bottom-drain configuration (instead of the pickup tube coming out the top of the tank). Now it doesn't matter that the aft tank is a little higher than the fwd tank in flight - both drain down to a low point in a 3/8" fuel line. I can suck them dry without worrying about fuel splashing away from the pickup because the 3/8 fuel like acts like a low sump. I never plan to go anywhere without the required 30-min reserve, but it is a great safety feature in case you run into an unanticipated headwind and there is no place to make a good landing. Also, I can now get a true 30 minutes from the lower part of the tank instead of having to leave 2 gallons in there to ensure the pickups do not suck air. All together I gained about 5 gallons usable fuel without having to add an extra tank.
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Dan G.
503 Firestar II
Tucson AZ |
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