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Thread: Raw water elbow configuration
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03-18-2020 09:27 AM #11
Re: Raw water elbow configuration
'88 55'C hull 394 BEATs Therapy
12-71 TA's ZF BW190 1.5:1 gears
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Re: Raw water elbow configuration
I've digested this a bit now. I actually think it's not a good idea to run it below the level where it enters the exhaust elbow. But I can't say exactly why. I can share that the hose on Aslan runs at about the level of the bottom of the valve cover using a steel bracket bolted over the exhaust manifold bolts. Good luck.
Semper Siesta
Robert Clarkson
ASLAN, 1983 55C #343
Charleston, SC
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03-19-2020 11:49 AM #13
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03-19-2020 01:08 PM #14Registered Member
- Join Date
- Feb 2020
- Posts
- 18
Re: Raw water elbow configuration
IF you can not buy this configuration off the shelf for that boat
True Wyes are expense and most have to be fabricated anyways with long lead times. One thing i would consider is getting a good fab shop (Certified Pipe Welders) to make it using a concentric or eccentric reducer (can't see the detail in the pic) and Pipe. I would use sch. 40 (not for the pressure but thickness and longevity) 316L USA made material and 316L Filler. GTAW (TIG) BW procedure with Argon purge. make sure you inspect it when you pick it up to ensure no black (or sugar) inside on the root pass. Will cost you a $good amount to get this done.
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03-19-2020 05:10 PM #15Senior Member
- Join Date
- Apr 2008
- Posts
- 494
Re: Raw water elbow configuration
That doesn't look like it came from DD that way. It could be a Covington part/ configuration ordered by Hatteras.
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Re: Raw water elbow configuration
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03-30-2020 04:57 PM #19
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Re: Raw water elbow configuration
I have been aweigh for a while. In the mean time, the below part did not work for us.
To small of hose sizes.
So, I epoxied up with glass cloth the failure and the owner is off running his ship.
There was another thread where a member had a new discharge pipe made of stainless.
Can somebody please point me to that thread. I'd like to offer a similar plan to the owner.
Not sure if shinny copper is as pretty as shinny stainless..
I would like to think the copper would have less issues with warm salt water thru it.