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Mikuni fuel pump installation position was: More 582 Tem

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bnn(at)nethere.com
Guest

Posted: Wed Jun 14, 2006 4:41 pm Post subject: Mikuni fuel pump installation position was: More 582 Tem

At 12:10 PM 6/14/2006, you wrote:

 	  Quote: 	
		  The reason, half of the inlet camber will contain entrapped air, almost

half of the pressure camber also contain entrapped air, this will reduce

very much the efficient of the pump.


	


Ah! I think I understand! Are you saying that the fuel chambers will 

contain trapped air if I mount the pump flat?



 	  Quote: 	
		  Then to the bleeding hole in the pulse input "nipple elbow", this hole is

meant to bleed out a little mixture plus eventually collected air moisture

- this is to avoid internal corrosion inside the dry pulsing camber.


	


So I would be best if I mounted the pump vertically and moved the bleed 

hole to the bottom of the pulse chamber. Then the pulse chamber would never 

fill even half way with fluid.

Guy Buchanan

K-IV 1200 / 582-C / Warp / 99.9% done, thanks mostly to Bob Ducar.

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dosmythe(at)cox.net
Guest

Posted: Wed Jun 14, 2006 5:01 pm Post subject: Mikuni fuel pump installation position was: More 582 Tem

See below.  I'm having a real hard time understanding this.

Don Smythe

---

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torgemor(at)online.no
Guest

Posted: Thu Jun 15, 2006 1:31 pm Post subject: Mikuni fuel pump installation position was: More 582 Tem

Yes, you've got it.



I'm still using the pump (in my plane) vertically mounted with the 

original "elbow" bleed, this -as I've never seen any sign of corrosion in 

the bottom of the "dry" pulse camber.



Wonder if anyone out there (on this list) have seen such corrosion?



Torgeir.



On Wed, 14 Jun 2006 17:36:43 -0700, Guy Buchanan <bnn(at)nethere.com> wrote:



 	  Quote: 	
		   



 At 12:10 PM 6/14/2006, you wrote:

> The reason, half of the inlet camber will contain entrapped air, almost

> half of the pressure camber also contain entrapped air, this will reduce

> very much the efficient of the pump.



 Ah! I think I understand! Are you saying that the fuel chambers will 

 contain trapped air if I mount the pump flat?



> Then to the bleeding hole in the pulse input "nipple elbow", this hole 

> is

> meant to bleed out a little mixture plus eventually collected air 

> moisture

> - this is to avoid internal corrosion inside the dry pulsing camber.



 So I would be best if I mounted the pump vertically and moved the bleed 

 hole to the bottom of the pulse chamber. Then the pulse chamber would 

 never fill even half way with fluid.

 Guy Buchanan

 K-IV 1200 / 582-C / Warp / 99.9% done, thanks mostly to Bob Ducar. 

 http://www.matronics.com/Navigator?Kitfox-List

 http://wiki.matronics.com






	


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dosmythe(at)cox.net
Guest

Posted: Thu Jun 15, 2006 4:50 pm Post subject: Mikuni fuel pump installation position was: More 582 Tem

Torgeir,

    I've never seen corrosion but I do get a slight oily residue at the weep 

hole (mounted horizontal).  I can see a problem with the pump mounted 

vertical without adding another weep hole on the bottom side.  1/2 of the 

pulse chamber could fill up before getting to the level of the original weep 

hole which is centered at the pulse elbow.



Don Smythe

---

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