I may just do that. I still have to pull them all off and then figure
out what I need. Reusing what I have is simple in terms of fittings.
Buying new fittings, especially marine grade barb fittings, is not all
that easy. I had a hell of a time finding what I needed when I added
the fresh water cooling to my last boat.
So, thats why I'm thinking of reusing the existing stuff. I don't have
to spend days searching for fitting and finding the correct size and
removing the fitting that is in place.... blah blah blah...
Danny
On 4/25/2016 10:56 AM, Josh Muckley via CnC-List wrote:
Just be aware that AN fittings are frequently misused with JIC
fittings. One is a 37° flare and the other is 45°. If I were you I
would just do it with AA type 1 USCG approved fuel hose, barb
fittings, and hose clamps. It is easy to fabricate and refabricate
quickly and underway. No special tools. No special shops. Custom
length and orientation.
Josh
On Apr 25, 2016 10:46 AM, "Danny Haughey via CnC-List"
<[email protected] <mailto:[email protected]>> wrote:
I think Rick has it. I found something that looks identical on
ebay. Rick, are these indeed, reusable?
They do seem to be as the only thing that gets compressed is the
hose between the ferrule and the insert fitting
Danny
On 4/25/2016 10:33 AM, Rick Brass via CnC-List wrote:
The SAE standards for hose generally call for the hose to be
marked with the ID of the hose – so 5/16 hose is nominally 5/16
ID. This is unlike tubing and pipe, where 5/16 is 5/16 OD.
The exception is SAE type 5 hose (I think it is supposed to be
marked with the SAE standard 1005 on the layline of the hose).
Type 5 hose is called “tubing size” and the ID of the hose is the
same as the ID of the same size hydraulic tubing. So 5/16 type 5
hose is a bit under ¼” ID, and something like 7/16” OD. It is
hydraulic hose rated at 5000 PSI or so, and is not fuel hose.
Type 5 hose was originally created for use in aircraft during
WWII, because you would not want to carry around the weight of
metal tubing and the extra fluid contained in a larger ID hose –
plus hose was a lot easier to inventory and replace than metal
tubes on military airplanes being repaired around the world.
Fuel hose is basically type 1, IIRC, rated to something like 1000
PSI. Made with an inner tube that is resistant to fuels and most
solvents (though not all). The reinforcement is made to allow the
hose to be more flexible and have shorter bend radius than
hydraulic hoses. It also will work as suction hose, which many
types of hydraulic hose will not.
Never use anything except fuel hose in fuel system applications.
Rick Brass
Washington, NC
I didn’t stay in a Holiday Inn last night, about 30 years ago I
was an engineer for Aeroquip.
*From:*CnC-List [mailto:[email protected]] *On Behalf
Of *Charlie Nelson via CnC-List
*Sent:* Sunday, April 24, 2016 10:44 PM
*To:* [email protected] <mailto:[email protected]>
*Cc:* [email protected] <mailto:[email protected]>
*Subject:* Re: Stus-List Diesel fuel lines questions
A word of warning--these hoses are notorious for variations
between the OD and ID so do not assume that if your hose is
marked 5/16" on the outside that the inside diameter (ID)
will match your fittings.
Depending on your hose source, a 5/16" OD hose could have a
variety of IDs--some wall thicknesses are greater than others but
this number is often not noted on the outside of the hose.
If the hose is going on barbed fittings, some to this can be made
up by the hose clamps (double always IMHO). However, a
thick-walled 5/16" hose may never go over a 1/4" barb fitting.
Charlie Nelson
Water Phantom
C&C 36 XL/kcb
[email protected] <mailto:[email protected]>
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