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malpass
Joined: 27 Aug 2007
Posts: 39
Location: Marietta, Georgia
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 Posted: Sat Jul 10, 2010 8:49 am Post subject: water temps revisited |
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I took the advise of the Kitfox group and purchased the marine thermostat from NAPA made by sierra 18-3670. It is a 160 degree, and looks identical to the Kitfox one. $25 bucks beats what Rotax wants for one.
There does seem to be on small difference and I want to know if it makes a difference. The original t-stat has 2 very small ovals that are spaced close together and they each are the size of about 1/32". They reside right at the inner edge of the rubber gasket ring and it seems they will allow a small amount of water to bypass when the t-stat is closed. The new t-stat does not have these.
Us guys have got to be obviously anal about these issues as landing safely is paramount.
Am I overly concerned about this?
Bill Malpass, Marietta GA
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kitfox III w/ 582 greyhead |
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Fox5flyer
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| Posted: Sat Jul 10, 2010 10:18 am Post subject: water temps revisited |
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You need to drill them yourself.
Deke
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malpass
Joined: 27 Aug 2007
Posts: 39
Location: Marietta, Georgia
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| Posted: Sat Jul 10, 2010 12:57 pm Post subject: Re: water temps revisited |
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Thanks for the response and help. Seems these holes in the t-stat are required for the rotax application?
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kitfox III w/ 582 greyhead |
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malpass
Joined: 27 Aug 2007
Posts: 39
Location: Marietta, Georgia
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| Posted: Sun Jul 11, 2010 9:45 am Post subject: Re: water temps revisited |
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With those small holes in the 582 thermostat, I would suspect that there is a certain position that they need to be in, such as rotated that they will be in the top or bottom position. I am guessing, but I bet they have something to do with the release of those unwanted steam pockets.
Anyone have ideas on this?
Bill Malpass
Marietta, Georgia
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kitfox III w/ 582 greyhead |
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Pat Reilly
Joined: 06 Aug 2009
Posts: 345
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| Posted: Sun Jul 11, 2010 7:23 pm Post subject: water temps revisited |
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Bill, Don't think hole position matters. Holes are to facilitate slight amount of water to move allowing warmer water in the engine to circulate and reach thermostat to allow it to open.
Pat Reilly
Mod 3 582 REBUILT
Rockford, IL
On Sun, Jul 11, 2010 at 12:45 PM, malpass <malpass-architect(at)att.net (malpass-architect(at)att.net)> wrote:
| Quote: | --> Kitfox-List message posted by: "malpass" <malpass-architect(at)att.net (malpass-architect(at)att.net)>
With those small holes in the 582 thermostat, I would suspect that there is a certain position that they need to be in, such as rotated that they will be in the top or bottom position. I am guessing, but I bet they have something to do with the release of those unwanted steam pockets.
Anyone have ideas on this?
Bill Malpass
Marietta, Georgia
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kitfox III w/ 582 greyhead
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=304476#304476
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Pat Reilly
Mod 3 582 Rebuild
Rockford,IL
[quote][b]
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Beemer
Joined: 26 Aug 2006
Posts: 87
Location: Middle Georgia
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| Posted: Tue Nov 30, 2010 6:14 am Post subject: Re: water temps revisited |
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The holes mightbe there to allow bubbles to pass when "burping the system. I place mine in the "up" position to facilitate getting the air out.
Beemer
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Beemer
KF2 (and now an M3!)
Suzuki G10 three-banger
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