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Grand Rapids EIS 2000

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t41pilot

Joined: 05 Sep 2011
Posts: 38
Location: Howard City, Michigan

Posted: Thu Jan 05, 2012 1:20 pm Post subject: Grand Rapids EIS 2000

I'm about to order a Grand Rapids EIS model 2000 to monitor a new rotax 447.  It comes standard with a hose clamp style probe for monitoring exhaust gas with a threaded one as an option at additional cost.  Is there any benefit to getting the threaded one as far as accuracy of the measurement or is is it just a matter of asthetics? I'm assuming I would have to drill a hole and tap it for the threaded one.  I don't have the exhaust here at the house so I don't know what it is made out of or the ease of tapping it. Any thoughts would be appreciated

_________________
Gregg Kaat
2011 Firefly

Mike Welch

Joined: 13 Feb 2011
Posts: 272

Posted: Thu Jan 05, 2012 1:55 pm Post subject: Grand Rapids EIS 2000

Gregg,



  No, a threaded style isn't just a drill and tap proposition.  If you were to go with a threaded style probe,

you'd need to weld a "bung" on you exhaust pipe.  The bung is what O2 sensors, etc, etc, screw into.

I suppose if you found the right nut size, (for your probe threads),you could drill a slightly oversize 

probe hole, and weld on the nut.



  For the hassle, most people just use the drilled hole style, that uses a band clamp.  The accuracy is 

probably within 2% of either style.  Probe depth accuracy is more of a determiner of temp reading, rather 

than style.



Mike Welch

Never known for doing things the easy way.  I welded on the bung for my Auber Instruments EGT probe.

Wasn't the easy way, but sure is solid as h.....



On Jan 5, 2012, at 3:20 PM, t41pilot wrote:



 	  Quote: 	
		   

 

 I'm about to order a Grand Rapids EIS model 2000 to monitor a new rotax 447.  It comes standard with a hose clamp style probe for monitoring exhaust gas with a threaded one as an option at additional cost.  Is there any benefit to getting the threaded one as far as accuracy of the measurement or is is it just a matter of asthetics? I'm assuming I would have to drill a hole and tap it for the threaded one.  I don't have the exhaust here at the house so I don't know what it is made out of or the ease of tapping it. Any thoughts would be appreciated

 

 --------

 Gregg Kaat

 2011 Firefly

 

 

 

 

 Read this topic online here:

 

 http://forums.matronics.com/viewtopic.php?p=362515#362515

HShack(at)aol.com
Guest

Posted: Thu Jan 05, 2012 2:03 pm Post subject: Grand Rapids EIS 2000

The manifold probably has two tapped bosses  for the probe.   Get the threaded probes;  looks much better.

  

  In a message dated 1/5/2012 4:27:49 P.M. Eastern Standard Time,  t41pilot(at)frontier.com writes:

  	  Quote: 	
		  -->    Kolb-List message posted by: "t41pilot"    <t41pilot(at)frontier.com>



I'm about to order a Grand Rapids EIS    model 2000 to monitor a new rotax 447.  It comes standard with a hose    clamp style probe for monitoring exhaust gas with a threaded one as an option    at additional cost.  Is there any benefit to getting the threaded one as    far as accuracy of the measurement or is is it just a matter of asthetics? I'm    assuming I would have to drill a hole and tap it for the threaded one.  I    don't have the exhaust here at the house so I don't know what it is made out    of or the ease of tapping it. Any thoughts would be    appreciated



--------

Gregg Kaat

2011    Firefly





Read this topic online    here:



http://forums.matronics.com/viewtopic.php?p=362515#362515

	


 [quote][b]

russk50(at)gmail.com
Guest

Posted: Thu Jan 05, 2012 2:21 pm Post subject: Grand Rapids EIS 2000

Gregg

What's the matter with the hose-clamp type of EGT sensor? I used one for over 2000 ours in a Lycoming without a bit of trouble. 

Easy to pull & inspect the probe at anytime with no stress on the probe.

Russ K

do not archive

On Jan 5, 2012, at 4:20 PM, t41pilot wrote:



 	  Quote: 	
		   

 

 I'm about to order a Grand Rapids EIS model 2000 to monitor a new rotax 447.  It comes standard with a hose clamp style probe for monitoring exhaust gas with a threaded one as an option at additional cost.  Is there any benefit to getting the threaded one as far as accuracy of the measurement or is is it just a matter of asthetics? I'm assuming I would have to drill a hole and tap it for the threaded one.  I don't have the exhaust here at the house so I don't know what it is made out of or the ease of tapping it. Any thoughts would be appreciated

 

 --------

 Gregg Kaat

 2011 Firefly

 

 

 

 

 Read this topic online here:

 

 http://forums.matronics.com/viewtopic.php?p=362515#362515

byoungplumbing(at)gmail.c
Guest

Posted: Thu Jan 05, 2012 2:39 pm Post subject: Grand Rapids EIS 2000

I'm about to order a Grand Rapids EIS model 2000 to monitor a new rotax  447.  It comes standard with a hose clamp style probe for monitoring  exhaust gas with a threaded one as an option at additional cost.  Is there  any benefit to getting the threaded one as far as accuracy of the measurement or  is is it just a matter of asthetics? I'm assuming I would have to drill a hole  and tap it for the threaded one.  I don't have the exhaust here at the  house so I don't know what it is made out of or the ease of tapping it. Any  thoughts would be appreciated



--------

Gregg Kaat

2011  Firefly



 i helped a friend with a threaded one,,, and the  threads were,,  shall i say extremely hard to remove,,,i am sure some high  temp anti seize would have been the thing to do,,,,    i have the  type with the hose clamp,,,   726.1 hours and still on tight, with no  problems.

  

 boyd young

 mkiii  912

   [quote][b]

t41pilot

Joined: 05 Sep 2011
Posts: 38
Location: Howard City, Michigan

Posted: Thu Jan 05, 2012 2:47 pm Post subject: Re: Grand Rapids EIS 2000

OK, I found out the exhaust manifold is already tapped at the proper locations at the factory for the probes.  Would the clamp on style still use these same holes or would these holes have to be sealed and new ones drilled?

_________________
Gregg Kaat
2011 Firefly

ceengland(at)bellsouth.ne
Guest

Posted: Thu Jan 05, 2012 3:15 pm Post subject: Grand Rapids EIS 2000

On 01/05/2012 03:20 PM, t41pilot wrote:

 	  Quote: 	
		   



 I'm about to order a Grand Rapids EIS model 2000 to monitor a new rotax 447.  It comes standard with a hose clamp style probe for monitoring exhaust gas with a threaded one as an option at additional cost.  Is there any benefit to getting the threaded one as far as accuracy of the measurement or is is it just a matter of asthetics? I'm assuming I would have to drill a hole and tap it for the threaded one.  I don't have the exhaust here at the house so I don't know what it is made out of or the ease of tapping it. Any thoughts would be appreciated



 --------

 Gregg Kaat

 2011 Firefly

Hi Gregg,
	




Are you interested in a used one, minus the probes? I have an extra one 

that is in good working order. I'll try to make you a good deal on it.



I'm walking out the door now & can't check prices, etc until after lunch 

tomorrow, but if you're interested, send me an email or give me a call 

tomorrow after 2:00 PM.



Charlie

Mike Welch

Joined: 13 Feb 2011
Posts: 272

Posted: Thu Jan 05, 2012 3:32 pm Post subject: Grand Rapids EIS 2000

Gregg,



  No, a clamp-on style EGT probe depends of the expanded ring of the base of the probe being pressed firmly against

the pipe(by the clamp)....not on top of some threaded mounting boss.  Since you do the the factory threaded bosses, you're in bidness.



  Yes, if you were to STILL want to go with a clamp-on style, I am fairly certain you'd have to plug the existing

threaded hole....and then drill the proper tight hole for the probe to insert into.    But then one would ask "Why?!"



  If you have the threaded boss, why would you even care about how a clamp style mounts?  Although many

guys have had millions of hours on the clamp-on style without any bad tendencies, certainly a threaded mount is a 

heckava lot more solid.....and you already have the mount!!



Mike



On Jan 5, 2012, at 4:47 PM, t41pilot wrote:



 	  Quote: 	
		   

 

 OK, I found out the exhaust manifold is already tapped at the proper locations at the factory for the probes.  Would the clamp on style still use these same holes or would these holes have to be sealed and new ones drilled?

 

 --------

 Gregg Kaat

 2011 Firefly

 

 

 

 

 Read this topic online here:

 

 http://forums.matronics.com/viewtopic.php?p=362534#362534

t41pilot

Joined: 05 Sep 2011
Posts: 38
Location: Howard City, Michigan

Posted: Thu Jan 05, 2012 6:09 pm Post subject: Re: Grand Rapids EIS 2000

Thanks Mike..Sounds like that is the direction to go.[/quote]

_________________
Gregg Kaat
2011 Firefly

t41pilot

Joined: 05 Sep 2011
Posts: 38
Location: Howard City, Michigan

Posted: Thu Jan 05, 2012 6:12 pm Post subject: Re: Grand Rapids EIS 2000

Thanks Mike..Sounds like that is the direction to go.



 	  Quote: 	
		  If you have the threaded boss, why would you even care about how a clamp style mounts? Although many 

guys have had millions of hours on the clamp-on style without any bad tendencies, certainly a threaded mount is a 

heckava lot more solid.....and you already have the mount!! 



Mike

_________________
Gregg Kaat
2011 Firefly

HShack(at)aol.com
Guest

Posted: Thu Jan 05, 2012 6:26 pm Post subject: Grand Rapids EIS 2000

The manifold should have plugs in the bosses already from the  factory.  

  

  In a message dated 1/5/2012 5:53:56 P.M. Eastern Standard Time,  t41pilot(at)frontier.com writes:

  	  Quote: 	
		  -->    Kolb-List message posted by: "t41pilot"    <t41pilot(at)frontier.com>



OK, I found out the exhaust manifold is    already tapped at the proper locations at the factory for the probes.     Would the clamp on style still use these same holes or would these holes have    to be sealed and new ones drilled?



--------

Gregg Kaat

2011    Firefly





Read this topic online    here:



http://forums.matronics.com/viewtopic.php?p=362534#362534

	


 [quote][b]

elleryweld(at)aol.com
Guest

Posted: Fri Jan 06, 2012 4:45 am Post subject: Grand Rapids EIS 2000

if you want to use the threaded one you will have to weld the fitting in to your Exhaust pipe  The one with 

   the clamp 

 can be a pain the clamps break once in a while but the threaded ones can be a problem also once you have it installed  the probe 

   swells up enough so that it will not come back out of the fitting  however they both give good readings

   

  

     Ellery Batchelder Jr.

 

 

 

   --

elleryweld(at)aol.com
Guest

Posted: Fri Jan 06, 2012 9:01 am Post subject: Grand Rapids EIS 2000

I use nickleseize but the problem is the probe swells up bigger than the hole it fits into 

    

 

 

     Ellery Batchelder Jr.

 

 

 

   --

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