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Water Pressure Gauge

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CrownLJ(at)verizon.net
Guest

Posted: Sun Feb 26, 2006 7:09 am Post subject: Water Pressure Gauge

Does anyone use a water PRESSURE gauge to monitor the cooling system? 



 What are the pros/cons?



Thanks,

Larry

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bmwebb(at)cox.net
Guest

Posted: Sun Feb 26, 2006 7:52 am Post subject: Water Pressure Gauge

Larry,

I'm thinking about it, as well. CPS recommends on in their articale on Rotax

cooling systems (but then, they also recommend a CHT gauge, which is useless

on a water cooled Rotax). It would accomplish two things: 1) if your water

pump fails, it would register that well before you discover the temps are

high, in the same manner as the oil pressure gauge, and 2) it would verify

that your pressure cap is functioning properly.



I suppose that it would also help detect a low water situation, or

cavitation (sp?) in the pump, as is prone on my 582.



Cons? The only one I can think of is common to all instruments: You must

look at it to detect a change. This is one of the great things about the

engine monitors available today. They'll alarm you if anything goes amiss,

so you don't have to continually eyeball the gauge.



Bradley

KF2 N1836

Middle GA



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jeburke94je(at)direcway.c
Guest

Posted: Sun Feb 26, 2006 8:23 am Post subject: Water Pressure Gauge

Larry, I have always used a water pressure gauge on my 582. I would say it 

is one of the most important gauges I monitor during flight. A absents of 

pressure will let me know I have a leak or a low water problem. It can also 

ensure my pressure cap is maintaining the rated pressure of the cap itself. 

Like any other gauge you have to scan it on a regular basic's for it to be a 

useful instrument.



Jim N94JE

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rexjan(at)bigpond.com
Guest

Posted: Mon Feb 27, 2006 5:42 pm Post subject: Water Pressure Gauge

Hi ! Larry,

               yes I've always had a water pressure gauge with my 582. The pressure rises very quickly after starting before water temp starts to rise. It's a good indication that you don't have huge air pockets in the system and that the presure cap is right and you have no leaks. I think a lot of guys with early 582's for some reason had these various problems and a pressure gauge could certainly warn them. Yes I like my gauge and think it is worthwhile.

                                                                                                 Rex.

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bmwebb(at)cox.net
Guest

Posted: Mon Feb 27, 2006 6:46 pm Post subject: Water Pressure Gauge

Rex,

What pressure gauge are you using?



Bradley



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rliebmann(at)comcast.net
Guest

Posted: Mon Feb 27, 2006 7:17 pm Post subject: Water Pressure Gauge

Rex,



I would like to know the location of your water pressure senser. Any chance 

of a picture of it?



  Thanks,   Ron    N55KF



DO NOT ARCHIVE



 Rex,

 What pressure gauge are you using?



Bradley

 Hi ! Larry,

               yes I've always had a water pressure gauge with my 582. The

 pressure rises very quickly after starting before water temp starts to 

rise.

 It's a good indication that you don't have huge air pockets in the system

 and that the presure cap is right and you have no leaks. I think a lot of

 guys with early 582's for some reason had these various problems and a

 pressure gauge could certainly warn them. Yes I like my gauge and think it

 is worthwhile.



 Rex.



 	  Quote:

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rexjan(at)bigpond.com
Guest

Posted: Tue Feb 28, 2006 5:50 pm Post subject: Water Pressure Gauge

Hi ! Ron and Larry,

                            Sorry no picture as I haven't acomplished those skills yet or got a digital camera. However my gauge is VDO about 1 1/2" in dia. It reads to 15 lbs and usually runs around 10PSI. The pressure line is taken out of the firewall end of the head. It is a Bluehead motor and on this one at least there is a suitable threaded location each end of the head. The front end goes to a breather line that goes to just below the filler cap mounted up on the firewall. This is to let any air bubbles out of the water and stop them lodging in nooks in the block. I hope this is of assistance.

                                                                                                    Rex.

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Rex Hefferan

Joined: 10 Jan 2006
Posts: 147
Location: Olney Springs, Colorado USA "NOT a Kitpig"

Posted: Wed Mar 01, 2006 1:59 pm Post subject: Water Pressure Gauge

Hey Rex,

 Maybe you can do this until you get the technology. Search for the 

product online and provide a link:

http://store.summitracing.com/largeimage.asp?part=VDO-310105

 This is a Oil temp gage, I could not find a water pressure gage. 



Anyway, it's another way to provide a photo ( if it would work.)

Rex

Colorado

Rex Shaw wrote:



 	  Quote: 	
		  



Hi ! Ron and Larry,

                            Sorry no picture as I haven't acomplished those skills yet or got a digital camera. However my gauge is VDO about 1 1/2" in dia. It reads to 15 lbs and usually runs around 10PSI. The pressure line is taken out of the firewall end of the head. It is a Bluehead motor and on this one at least there is a suitable threaded location each end of the head. The front end goes to a breather line that goes to just below the filler cap mounted up on the firewall. This is to let any air bubbles out of the water and stop them lodging in nooks in the block. I hope this is of assistance.

                                                                                                    Rex.

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_________________
Rex
N740GP - M2/582
Colorado

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