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Coolant temperature indicator

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frans(at)paardnatuurlijk.
Guest

Posted: Fri Feb 20, 2009 9:44 am Post subject: Coolant temperature indicator

Hi all,



I would like to have an indicator for the coolant temperature. However,

there seems to be no connection point for a temperature sender. It seems

to me that some of you have installed a coolant temperature indicator.

If so, how have you achieved this?

In some of the pictures in the album (forgot which one), I noticed that

there are coolant "tanks" with a sensor hole in it, but mine does not

have this provision.



-- 

Best regards,

Frans Veldman

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Ivor Phillips

Joined: 16 Jan 2006
Posts: 253
Location: London UK

Posted: Fri Feb 20, 2009 10:25 am Post subject: Coolant temperature indicator

Hi Frans

You use a 2 inch aluminium Pipe with a sensor, similar to

http://www.demon-tweeks.co.uk/products/ProductDetail.asp?cls=ROAD&pcode=GLOHA25

 You fit this on the outlet pipe on top of the engine as high as you can, 

this will give you the most accurate readings,

regards

Ivor

---- Frans Veldman <frans(at)paardnatuurlijk.nl> wrote: 

 	  Quote: 	
		   

 

 Hi all,

 

 I would like to have an indicator for the coolant temperature. However,

 there seems to be no connection point for a temperature sender. It seems

 to me that some of you have installed a coolant temperature indicator.

 If so, how have you achieved this?

 In some of the pictures in the album (forgot which one), I noticed that

 there are coolant "tanks" with a sensor hole in it, but mine does not

 have this provision.

 

 -- 

 Best regards,

 Frans Veldman

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danny shepherd

Joined: 27 Jan 2006
Posts: 117
Location: north Wales, United Kingdom

Posted: Fri Feb 20, 2009 10:27 am Post subject: Coolant temperature indicator

Hi Frans,

               I fitted a coolant temperature gauge from Skydrive UK. skydrive.co.uk The complete kit was about 50 UK pounds. Works very well.

 

 Danny G-c.e.r.i 

 

 Frans Veldman wrote: [quote]    	  Quote: 	
		  --> Europa-List message posted by: Frans Veldman <frans(at)paardnatuurlijk.nl> (frans(at)paardnatuurlijk.nl)



Hi all,



I would like to have an indicator for the coolant temperature. However,

there seems to be no connection point for a temperature sender. It seems

to me that some of you have installed a coolant temperature indicator.

If so, how have you achieved this?

In some of the pictures in the album (forgot which one), I noticed that

there are coolant "tanks" with a sensor hole in it, but mine does not

have this provision.



  	
 [b]

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rampil

Joined: 04 May 2007
Posts: 870

Posted: Fri Feb 20, 2009 1:15 pm Post subject: Re: Coolant temperature indicator

Lockwood and CPS also such items. You have to simply slice the coolant hose, remove an inch or so, insert the T-adapter in place of the slice, and

install the transducer which is usually NPT.



Your local Rotax dealer should have the parts

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_________________
Ira N224XS

paul.the.aviator(at)gmail
Guest

Posted: Fri Feb 20, 2009 5:10 pm Post subject: Coolant temperature indicator

Hi Frans,



I suspect that picture you saw of a coolant tank with a sensor mounted

in it was a modified unit that Cliff Shaw made.  I did something

similar.  I took my tank to the Lincoln Welder demonstration stand

last year at the Oshkosh airshow and had them weld a patch of aluminum

on it to make it thicker so I could put a NPT thread in it.  Although

this approach is more elegant than putting in a T in the host, it does

require a whole lot more effort.



Just as an FYI, Grand Rapids also sell a T along with the appropriate sensor.



Regards,  Paul

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frans(at)paardnatuurlijk.
Guest

Posted: Sat Feb 21, 2009 12:57 am Post subject: Coolant temperature indicator

Hi Paul,



 	  Quote: 	
		   I suspect that picture you saw of a coolant tank with a sensor mounted

 in it was a modified unit that Cliff Shaw made.  I did something

 similar.  I took my tank to the Lincoln Welder demonstration stand

 last year at the Oshkosh airshow and had them weld a patch of aluminum

 on it to make it thicker so I could put a NPT thread in it.


	


Yes, I think I saw one of these.



 	  Quote: 	
		   Although

 this approach is more elegant than putting in a T in the host, it does

 require a whole lot more effort.


	


It does indeed. I will have to make my mind up for this.

BTW, how much information does this coolant temperature indicator

provide, if you also have cylinder head temperature indicators? Is it

overkill, or does it make sense?



-- 

Best regards,

Frans Veldman

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paul.the.aviator(at)gmail
Guest

Posted: Sat Feb 21, 2009 6:34 am Post subject: Coolant temperature indicator

Hi Frans,



I am in the fortunate situation where I had a couple of coolant tanks

that was among a bunch of Rotax parts that I purchased from a guy who

was doing research and development for the military in the '90's.



I haven't actually installed mine yet, but the engine is currently in

at the Rotax dealer to have some oil leaks repaired and I will have it

installed at that time.  I have a Grand Rapids EIS that has inputs for

two CHT's and the water sensor so it is an easy task for me to

instrument it.



Rotax discusses the combination of CHT's and coolant temperature

measurement in a recent SB about reverting back from Evans to a water

glycol mix.  I would suggest that you read  through the SB, I think it

should cover most questions.



In my opinion measuring coolant temperature makes a lot of sense, it

gives an earlier warning of issues in the case of a burst hose or

coolant boiling.  Graham Singleton often tells me that if he had

coolant temperature sensing in his aircraft he would have known about

his pending issue and not taken off and had his subsequent accident.



If your airplane isn't flying yet, then the effort is a lot less, if

it were me I'd probably just go do it.



Regards,  Paul

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grahamsingleton(at)btinte
Guest

Posted: Sun Feb 22, 2009 2:15 pm Post subject: Coolant temperature indicator

Paul McAllister wrote:

 	  Quote: 	
		   If your airplane isn't flying yet, then the effort is a lot less, if

 it were me I'd probably just go do it.



 Regards,  Paul

So would I!  Pity Rotax and Europa didn't warn us about the boiling 
	


point of 50/50 glycol too 

Graham

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air.guerner(at)orange.fr
Guest

Posted: Mon Feb 23, 2009 3:10 am Post subject: Coolant temperature indicator

I am just curious to know how the coolant temp  reading compares to the cyl 3 CHT reading.

  

 Regards

 Remi Guerner

 F-PGKL

    [quote][b]

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