froggyfrenchman
Rear Admiral (RADM)
Posts:2988
 | | 17 May 2010 06:17 AM | | Nice looking oiler.
It is nice to see more convoy ships out there.
Mikey | | | |
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Nick
Veteran
Rear Admiral (RDML)
Posts:1054
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Hovey Moore
Veteran
Ensign
Posts:154
| | 18 May 2010 11:23 AM | | Given the high state of readiness displayed by our fleet this weekend, I was wondering if there was interest in a prebattle get together on June 4th so we can do sea trials, test guns and maybe do some gunnery drills. | | | |
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Nick
Veteran
Rear Admiral (RDML)
Posts:1054
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Hovey Moore
Veteran
Ensign
Posts:154
| | 18 May 2010 11:49 AM | | Yeah, we all could be better helmsmen. But the only way to get better is time on the water. I know my ship didn't perform nearly as well as I wanted it too and I know there are several other ships that could use some tweaking/testing. My hope is that by testing before the battle, that we will have less down time at the battle. | | | |
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Alex
Veteran
Ensign
Posts:231
| | 18 May 2010 07:57 PM | | That sounds like a good plan. | | | Kapitän zur See Ernst Lindemann | |
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Alex
Veteran
Ensign
Posts:231
| | 18 May 2010 08:17 PM | | Bis has 7 units now | | | Kapitän zur See Ernst Lindemann | |
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Hovey Moore
Veteran
Ensign
Posts:154
| | 18 May 2010 09:52 PM | | Great, maybe you could send me one or two of those working units? | | | |
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Nick
Veteran
Rear Admiral (RDML)
Posts:1054
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Hovey Moore
Veteran
Ensign
Posts:154
| | 20 May 2010 01:20 PM | | I'm glad you got your new guns working. It is going to be hard to attack you with guns going every which way.
The 1/4" OD line we use isn't actually rated for 150psi its designed service pressure is only 105psi if I remember correctly. It wont rupture but it tends to slip off of the hose barbs. The only thing I have found that works well is to use clamps on all of the larger fittings.
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Greg McFadden
Rear Admiral (RDML)
Posts:1416
| | 20 May 2010 01:32 PM | | it depends on the stuff you get. if you get one manufacturer, it is only rated to 105, if you get another, it is rated higher (I don't remember how much). ask the airtonics folks (the clippard distributor) about non-clippard hose that has a higher pressure rating | | | |
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Nick
Veteran
Rear Admiral (RDML)
Posts:1054
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Hovey Moore
Veteran
Ensign
Posts:154
| | 20 May 2010 01:55 PM | | Polyurethane tubing comes in 1/4" OD x 1/8" ID and is rated at 150psi? All that I have found is rated somewhere between 105 and 120 psi @ 75º F. EDIT: I have some of the Freelin Wade tubing and am very scepticale of their pressure claims. | | | |
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Greg McFadden
Rear Admiral (RDML)
Posts:1416
| | 20 May 2010 02:08 PM | | mcmaster has some rated greater than 200psi | | | |
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Hovey Moore
Veteran
Ensign
Posts:154
| | 20 May 2010 09:18 PM | | Oh you mean like item number 5648K743? Hmm, I think maybe I need to get my eyes checked. When I last looked at McMaster-Carr I read that as ester based not ether based. Makes a big difference as to whether its worth using on boats. I do notice that with a durometer of 95A it is harder than most of the polyurethanes hoses out there should be much better for push connect fittings. | | | |
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Greg McFadden
Rear Admiral (RDML)
Posts:1416
| | 20 May 2010 10:08 PM | | that part number is an Ether-Based Polyurethane | | | |
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Hovey Moore
Veteran
Ensign
Posts:154
| | 21 May 2010 12:38 AM | | Yeah, polyurethane hose is normally manufactured using either an ester alcohol or an ether alcohol. Ester based breaks down in the presence of water but is cheaper to produce. Ether based doesn't break down in the presence of water and so is much better suited to our needs. | | | |
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