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06-05-2018, 07:29 AM
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Join Date: Mar 2005
Location: Calgary, Canada
Posts: 5,766
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Quote:
Originally Posted by Canadian_JOY
Thanks for the quick response, Ross. Now I understand the reference made to those of us with carb'd engines. One doesn't want one's intake hoses to turn to mush, thanks to them being exposed to an air/fuel mixture rather than just the pure induction air associated with a fuel injected engine.
I'm curious... The nitrile hoses you supply. are they any more flexible than the standard Lycoming parts? The Lycoming part seems to be both thicker and stiffer than what is needed for this task.
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We are supplying Superior 08-00580 for the 1.5 inch tubes and OEM Lyc PN 69603 hoses for 1.75 inch tubes on carbed engines. I didn't spend much time trying to source other suitable suppliers for the carbed hoses.
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06-06-2018, 05:31 PM
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Join Date: Mar 2005
Location: Calgary, Canada
Posts: 5,766
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Trevor was able to squeeze in another batch of flanges today before running other parts booked in a couple weeks ago.
I will run these to the anodizer tomorrow. Thank you to all the people who've contacted us to be placed on the order list. May be able to ship some of these out later next week if the anodizer is not too busy.
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06-07-2018, 04:49 PM
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Join Date: Mar 2005
Location: Calgary, Canada
Posts: 5,766
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Good news. The anodizer was not too busy so I should have the flanges back by mid week.
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06-07-2018, 09:53 PM
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Join Date: Aug 2007
Location: Ontario, Canada
Posts: 2,291
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Quote:
Originally Posted by rv6ejguy
We are supplying Superior 08-00580 for the 1.5 inch tubes and OEM Lyc PN 69603 hoses for 1.75 inch tubes on carbed engines. I didn't spend much time trying to source other suitable suppliers for the carbed hoses.
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Thanks for the follow-up, Ross. I spent most of tonight working on the engine and gave these induction tube clamps much thought... Perhaps they will be on the list for the next oil change.
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06-10-2018, 02:55 AM
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Join Date: Jul 2009
Location: Mojave
Posts: 4,652
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Concerning the welding of the angle valve tubes- mine were factory welded about an inch down from the flange. I simply cut through the weld with a band saw, replaced the clamps and re welded. With a TIG at the ready, each tube took maybe 10 minutes to modify (not including paint dry time). I did not find it necessary to weld the tube in situ. The band saw cut was easy enough to re index. Really easy.
__________________
WARNING! Incorrect design and/or fabrication of aircraft and/or components may result in injury or death. Information presented in this post is based on my own experience - Reader has sole responsibility for determining accuracy or suitability for use.
Michael Robinson
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Harmon Rocket II -SDS EFI
RV-8 - SDS CPI
1940 Taylorcraft BL-65
1984 L39C
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06-10-2018, 05:24 AM
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Join Date: Sep 2007
Location: Central IL
Posts: 5,516
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Thanks!!
Quote:
Originally Posted by Toobuilder
Concerning the welding of the angle valve tubes- mine were factory welded about an inch down from the flange. I simply cut through the weld with a band saw, replaced the clamps and re welded. With a TIG at the ready, each tube took maybe 10 minutes to modify (not including paint dry time). I did not find it necessary to weld the tube in situ. The band saw cut was easy enough to re index. Really easy.
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I like easy! My TIG work is getting better, but not this ready yet.
__________________
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.”
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06-10-2018, 12:37 PM
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Join Date: Mar 2005
Location: Calgary, Canada
Posts: 5,766
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One of our customers just reported back that the Superior Cold Air Induction setup uses a tube which is expanded out to 2 inches so they are .250 larger than the factory type tubes and aren't compatible.
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06-11-2018, 03:37 AM
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Join Date: Jul 2009
Location: Mojave
Posts: 4,652
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Expanded out (tapered) at the sump end? If so, then a cut and weld like I did would work?
__________________
WARNING! Incorrect design and/or fabrication of aircraft and/or components may result in injury or death. Information presented in this post is based on my own experience - Reader has sole responsibility for determining accuracy or suitability for use.
Michael Robinson
______________
Harmon Rocket II -SDS EFI
RV-8 - SDS CPI
1940 Taylorcraft BL-65
1984 L39C
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06-11-2018, 05:46 AM
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Join Date: May 2010
Location: Baton Rouge, La.
Posts: 753
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Superior sump/tubes
Is there any chance you?ll machine some that?ll work with the Superior sump/tubes? I?m sure there?s enough of us out here that there?d be a market for them.
Mark
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06-11-2018, 07:10 AM
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Join Date: Mar 2013
Location: Snoqualmie, wa
Posts: 393
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Quote:
Originally Posted by Toobuilder
Expanded out (tapered) at the sump end? If so, then a cut and weld like I did would work?
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Yes cutting and welding will work just fine. The only thing that needs to change is the size of the rubber sleeve and the clamps. The rest of the tube is 1.75" in diameter. See picture below.

__________________
Darin
Snoqualmie WA
RV-9A Sold
RV-10 Building - FWF
www.DarinAnderson.com
2020 donation sent!
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