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<DIV><FONT face=Arial size=2>A couple of points on tank venting;</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>1. If you use a check-valve in the vent line it
does, in my case, prevent fuel from pouring onto my helper as she tends to
carry the plane slightly nose down.</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>2. It has a bad side effect in that if the
tank gets heated up on a sunny day it forces fuel into the carb and it drips out
onto the paint - not good!</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>What I have found to be most desirable
is to put a filter in the vent line to prevent debris getting into the
pumps.</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>The smartest venting I ever saw was Ken Velez who
put the vent exit near the back of the pipe. It did two things. a) put the
"undesirable" all in the same place, and b) prevents the fuel from leaking if
you tip the plane forward because the exit is higher than the
tank!.</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>Another really neat system is to have two vent
lines ,where both lines go to the top of tank. Yes the top. This system did
not need any fuel dots or T' etc. because you can fill the tank from either vent
line. The tank is drained when the plane is disassembled inverted and the
motor ran dry.</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>Regards,</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>Eric.</FONT></DIV>
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style="PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #000000 2px solid; MARGIN-RIGHT: 0px">
<DIV style="FONT: 10pt arial">----- Original Message ----- </DIV>
<DIV
style="BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: black"><B>From:</B>
<A title=natpenton@centurytel.net href="mailto:natpenton@centurytel.net">Nat
Penton</A> </DIV>
<DIV style="FONT: 10pt arial"><B>To:</B> <A title=discussion@nsrca.org
href="mailto:discussion@nsrca.org">discussion@nsrca.org</A> </DIV>
<DIV style="FONT: 10pt arial"><B>Sent:</B> Monday, February 28, 2005 12:37
AM</DIV>
<DIV style="FONT: 10pt arial"><B>Subject:</B> Re: fuel tank venting w/perry
regulated pump</DIV>
<DIV><BR></DIV>
<DIV><FONT face=Arial size=2>I tried on one airplane using the open vent line
and exiting behind the tank, then tried doing an around the world with
the tubing before exiting. In both cases I had a mess on the fuse and subfin
and was using lots of fuel. Nat</FONT></DIV>
<BLOCKQUOTE
style="PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #000000 2px solid; MARGIN-RIGHT: 0px">
<DIV style="FONT: 10pt arial">----- Original Message ----- </DIV>
<DIV
style="BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: black"><B>From:</B>
<A title=mrandmrst@comcast.net href="mailto:mrandmrst@comcast.net">Ken
Thompson III</A> </DIV>
<DIV style="FONT: 10pt arial"><B>To:</B> <A title=discussion@nsrca.org
href="mailto:discussion@nsrca.org">discussion@nsrca.org</A> </DIV>
<DIV style="FONT: 10pt arial"><B>Sent:</B> Sunday, February 27, 2005 7:46
PM</DIV>
<DIV style="FONT: 10pt arial"><B>Subject:</B> Re: fuel tank venting w/perry
regulated pump</DIV>
<DIV><BR></DIV>
<DIV><FONT face=Arial size=2>Nat,</FONT></DIV>
<DIV><FONT face=Arial size=2>With you and Bob P. using the check valve, I'm
thinking that is the way I should be doing mine. </FONT></DIV>
<DIV><FONT face=Arial size=2>It's an easy addition.</FONT></DIV>
<DIV><FONT face=Arial size=2>Ken</FONT></DIV>
<BLOCKQUOTE
style="PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #000000 2px solid; MARGIN-RIGHT: 0px">
<DIV style="FONT: 10pt arial">----- Original Message ----- </DIV>
<DIV
style="BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: black"><B>From:</B>
<A title=natpenton@centurytel.net
href="mailto:natpenton@centurytel.net">Nat Penton</A> </DIV>
<DIV style="FONT: 10pt arial"><B>To:</B> <A title=discussion@nsrca.org
href="mailto:discussion@nsrca.org">discussion@nsrca.org</A> </DIV>
<DIV style="FONT: 10pt arial"><B>Sent:</B> Sunday, February 27, 2005 8:43
PM</DIV>
<DIV style="FONT: 10pt arial"><B>Subject:</B> Re: fuel tank venting
w/perry regulated pump</DIV>
<DIV><BR></DIV>
<DIV><FONT face=Arial size=2>Ron I put a one way valve in the line, with a
T in it,. Plug the T when thru
fueling. Nat</FONT></DIV>
<BLOCKQUOTE
style="PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #000000 2px solid; MARGIN-RIGHT: 0px">
<DIV style="FONT: 10pt arial">----- Original Message ----- </DIV>
<DIV
style="BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: black"><B>From:</B>
<A title=ronbon172@yahoo.com href="mailto:ronbon172@yahoo.com">ron
donato</A> </DIV>
<DIV style="FONT: 10pt arial"><B>To:</B> <A title=discussion@nsrca.org
href="mailto:discussion@nsrca.org">discussion@nsrca.org</A> </DIV>
<DIV style="FONT: 10pt arial"><B>Sent:</B> Sunday, February 27, 2005
6:47 PM</DIV>
<DIV style="FONT: 10pt arial"><B>Subject:</B> fuel tank venting w/perry
regulated pump</DIV>
<DIV><BR></DIV>
<DIV>i just installed a perry pump and the instructions say not to use
muffler pressure to the tank. my question is, how do i vent the tank
properly so i don't create a siphon from the vent line?</DIV>
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