Hoppers ... and I don't mean frogs

[Dean Pappas]

Hi Karl,
That's the funny thing about this haydraulics stuff.
I don't doubt what you saw. The variables aren't all that well controlled.
You are running with suction/pipe pressure, right?
In my case, the Walbro pump on my alchohol converted 3-W 60 was taxed to provide enough fuel after the conversion from gasoline
(the needle was far open and insensitive) but I got a benefit with a considerable air bubble in the hopper, and none with it dead full.
 
Too long since we've seen each other,
 
Dean Pappas 
Sr. Design Engineer 
Kodeos Communications 
111 Corporate Blvd. 
South Plainfield, N.J. 07080 
(908) 222-7817 phone 
(908) 222-2392 fax 
d.pappas at kodeos.com 

-----Original Message-----
From: discussion-request at nsrca.org [mailto:discussion-request at nsrca.org]On Behalf Of Karl G. Mueller
Sent: Thursday, December 02, 2004 5:47 PM
To: discussion at nsrca.org
Subject: Re: OS 160FX setup


Dean,
 
I am inclined to disagree with you on the fill level of the hopper tank.
To make sure to get a more consistent setting on the needle valve I leave no
air in the hopper tank at all. In my opinion it helps to keep a more consistent
setting when going vertical. The higher fluid level in the hopper tank exerts
more pressure (by weight) toward the bottom of the tank and into the pick up 
line and helps push the fuel to the carb with the pressure from the exhaust (pipe). 
Comments....?
 
Karl G. Mueller
 <mailto:kgamueller at rogers.com> kgamueller at rogers.com

 

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