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08-03-2016, 10:55 AM
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Join Date: Sep 2010
Location: Redlands, Ca.
Posts: 1,458
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Quote:
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Originally Posted by Own stock? What does ACS have to do with this comparison? Do you source all your hoses and fittings for [I
your [/i]shop full of race cars from ACS? Do I need 1250 psi rather than 1000 psi for a 300 PSI application? All the aeroquip parts are USA made (Earls & Russells, too like Ross said) . What exactly is your point?
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....We actually make our own hoses and many of our fittings as well. I wasn't trying to compare quality, but rather make a statement supporting ACS. What I was going for here, was their right to a fair profit as that is what keeps them in business. You can shop around and beat most anybody's prices on anything. I like the convenience of having ACS just one phone call away. Thanks, Allan 
__________________
Allan Nimmo
AntiSplatAero.com
Innovative Aircraft Safety
Products, Tools & ServicesInfo@AntiSplatAero.com Southern California (KREI)
RV-9A / Edge-540 
(909) 824-1020
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08-04-2016, 07:17 AM
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Join Date: Sep 2007
Location: Central IL
Posts: 5,516
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Quote:
Originally Posted by lr172
I used summit fittings and hose in my build and when I put in the FI this spring I chose to upgrade to Earls fittings, on Ross' recommendation, for the peace of mind. I also upgraded to Aeroquip hose.
When I pulled all of the old hose (rubber core), I was surprised how stiff the Summit hose had become in 6 months / 100 hours of use. While I think the fittings are probably good enough (I use them in my hot rods), I was not impressed with the rubber quality on the hose.
Larry
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Same fittings, Larry? Aeroquip makes a hundred different hoses, did you mean the AQP hose for racing? - see my link above for their catalog. Did you pressure test your Summit brand hoses or just replace? If time/temperature was the cause, one might expect the oil supply hose to the cooler would be worse (stiffer) than the hose from the cooler.
BTW: I looked up MIL-H-83797 Rev. A ( on EverySpec) for the AE701 (aeroquip/eaton) hose. It states a test at 250F filled with oil for 168 hours then pressure tested. I can not find any mention that AQP meets a test like this. I wonder if testing each year (or 100 hrs) at 3X oil pressures would be prudent. Would it just cause an unseen failure and be worse than doing nothing?
Quote:
Originally Posted by PerfTech
....We actually make our own hoses and many of our fittings as well. I wasn't trying to compare quality, but rather make a statement supporting ACS. What I was going for here, was their right to a fair profit as that is what keeps them in business. You can shop around and beat most anybody's prices on anything. I like the convenience of having ACS just one phone call away. Thanks, Allan 
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Alan, ACS does not sell the AQP product line, so the OP title is more about product lines than sources (as DanH has mentioned before). To me, ACS advantage has a broad product offering to concentrate the shipping costs, at least as an active builder with multiple projects.
__________________
Bill
RV-7
Lord Kelvin:
“I often say that when you can measure what you are speaking about,
and express it in numbers, you know something about it; but when you
cannot measure it, when you cannot express it in numbers, your knowledge
is of a meager and unsatisfactory kind.”
Last edited by BillL : 08-04-2016 at 07:27 AM.
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08-08-2016, 05:23 PM
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Join Date: Apr 2012
Location: Tampa (Wimauma actually)
Posts: 421
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Jim Irwin Email
I'm posting this because I'm incredibly impressed by the outreach efforts of Aircraft Spruce President, Jim Irwin. Jim saw this discussion on VAF and took the time to email me directly. We exchange a couple of emails and had a productive discussion about this topic.
I strongly believe that ACS provides the aviation market with high quality products. I am a BIG fan. My argument to Jim was that they might want to consider offering some products more tailored to the experimental market, especially hoses and fittings, that would still meet their high quality standards but might not have the same level of oversight, inspection, etc. that is necessary to get them into the certified market. Jim was receptive and said that ACS will look into this issue.
I hope Jim won't mind me posting this. I'm really just trying to say how amazed I am that a President of ANY company, would be so in tune to his marketplace that he would contact a lowly whiner like me on such a minor issue. While I may shop elsewhere for some of my supplies, I would much rather buy EVERYTHING from ACS. Jim seems to have heard that argument. Thanks Jim!
To close, I hope everybody knows that I'm a big, and now a bigger, ACS fan!
Best regard,
Randy
__________________
Randy King
Tampa (Wimauma), Florida
RV-4 N212CS (sold)
RV-8 N184RK (flying)
Flying an A320 to pay the bills
Exempt and gladly donating anyway - Current through March 2021
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08-08-2016, 05:47 PM
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Join Date: Mar 2005
Location: Calgary, Canada
Posts: 5,766
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Quote:
Originally Posted by f14av8r
I'm posting this because I'm incredibly impressed by the outreach efforts of Aircraft Spruce President, Jim Irwin. Jim saw this discussion on VAF and took the time to email me directly. We exchange a couple of emails and had a productive discussion about this topic.
I strongly believe that ACS provides the aviation market with high quality products. I am a BIG fan. My argument to Jim was that they might want to consider offering some products more tailored to the experimental market, especially hoses and fittings, that would still meet their high quality standards but might not have the same level of oversight, inspection, etc. that is necessary to get them into the certified market. Jim was receptive and said that ACS will look into this issue.
I hope Jim won't mind me posting this. I'm really just trying to say how amazed I am that a President of ANY company, would be so in tune to his marketplace that he would contact a lowly whiner like me on such a minor issue. While I may shop elsewhere for some of my supplies, I would much rather buy EVERYTHING from ACS. Jim seems to have heard that argument. Thanks Jim!
To close, I hope everybody knows that I'm a big, and now a bigger, ACS fan!
Best regard,
Randy
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Jim Irwin always steps up and takes care of things in my experience. That's a real rarity today and one of the reasons ACS continues to do so well. Customer service is #1 if you want to be around in any business for more than a few years.
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08-09-2016, 10:28 AM
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Join Date: Apr 2010
Location: Ridgeland, SC
Posts: 2,589
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Randy---I just wanted to second that email that you received from Jim. As a hose assembly supplier to ACS, Jim and I have had the conversation about using 'reusables', or 'field installed' fittings as some call them.
Properly assembled, they are perfectly satisfactory for our experimental uses. Summit represents several hose and fitting vendors, and does have a variety of components to meet most every need. However, they are in a gray area where guys are making hoses for aircraft, much less experimentals. MOST hose and fitting manufacturers have expressed disclaimers against using their products in aircraft use. Use at your own risk, and dont tell anyone, and life is good. Have a catastrophic failure with injury, or worse, and all **** brakes loose.
ACS is an Aeroquip distributor, although on the aerospace side. ACS may be able to acquire non-certified components, like those of a Summit, Jegs, etc, and supply them to those of you that want to go that route. I dont know what that plan is.
But----I can tell you, and I'm sure Jim wont mind, he is very pro-active on this, and asked several questions on this subject. Jim is a businessman, but is also looking out for the well being of us AND his company. We are all looking to get the best product at the lowest cost. Some of those things are 'governed" by certain regulations, and some are not. I'm sure that Jim is addressing this and will make the best decision for all of us.
Tom
__________________
Tom Swearengen, TS Flightlines LLC, AS Flightlines
Joint Venture with Aircraft Specialty
Teflon Hose Assemblies for Experimentals
Proud Vendor for RV1, Donator to VAF
RV7 Tail Kit Completed, Fuse started-Pay as I go Plan
Ridgeland, SC
www.tsflightlines.com, www.asflightlines.com
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08-09-2016, 11:56 AM
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Join Date: Oct 2013
Location: Schaumburg, IL
Posts: 5,297
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Quote:
Originally Posted by BillL
Same fittings, Larry? Aeroquip makes a hundred different hoses, did you mean the AQP hose for racing? - see my link above for their catalog. Did you pressure test your Summit brand hoses or just replace? If time/temperature was the cause, one might expect the oil supply hose to the cooler would be worse (stiffer) than the hose from the cooler.
BTW: I looked up MIL-H-83797 Rev. A ( on EverySpec) for the AE701 (aeroquip/eaton) hose. It states a test at 250F filled with oil for 168 hours then pressure tested. I can not find any mention that AQP meets a test like this. I wonder if testing each year (or 100 hrs) at 3X oil pressures would be prudent. Would it just cause an unseen failure and be worse than doing nothing?
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I replaced all of my hoses and fittings (oil and fuel). I used the Aeroquip AQP racing hose and all Earl's fittings. If I recall correctly, the oil lines did seem a bit less flexible than the fuel hose. It was not hard and brittle, but noticeably stiffer than the new AQP hose. It's possible they were just stiffer hose from the get go, but I have seen cheap rubber compounds go bad quickly and I was not impressed.
Larry
__________________
N64LR - RV-6A / IO-320, Flying as of 8/2015
N11LR - RV-10, Flying as of 12/2019
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09-07-2016, 09:30 PM
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Join Date: Mar 2008
Location: Seattle
Posts: 1,412
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We use Parker hose at work (Washington State Ferries) on the diesel engines.
Lube oil hoses experience higher temps than the coolant hoses and fuel hoses, over 200 degrees in some cases. They do get stiff, even creak when you un-bend them. We have been upgrading to teflon lined hose in these cases.
Some stiffening of hot oil hose is to be expected, the question is 'how much?'
Also, I don't recall a stiffened Parker hose having ever failed in lube oil service, I just changed them because they were so stiff.
Not a very satisfactory answer?
Hoses have a limited service life. Changing them every 5 years is advisable, but who does that?
You should at least inspect them for external damage, leaks and check for flexibility. And snug up on the fittings.
__________________
Scott Emery
http://gallery.eaa326.org/v/members/semery/
EAA 668340, chapter 326 & IAC chapter 67
RV-8 N89SE first flight 12/26/2013
Yak55M, and the wife has an RV-4
There is nothing-absolute nothing-half so much worth doing as simply messing around with Aeroplanes
(with apologies to Ratty)
2019
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