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<DIV><SPAN class=053083816-13052004><FONT face=Arial color=#0000ff size=2>Hello
John,</FONT></SPAN></DIV>
<DIV><SPAN class=053083816-13052004><FONT face=Arial color=#0000ff size=2>That's
interesting ... have you also tried a hopper tank? I had great success with one
in preventing air-gulp hiccups with other engine setups. The hopper is a small
(2 ounce) tank plumbed in series between the main tank and engine. Its clunk
only runs to the middle of the tank, so that it can never uncover, until more
than half emptied. The Hopper starts life completey full as its overflow is
connected to the main tank pickup, and stays that way almost until the end
of the main tank. Air gulps take a bit out of the hopper, but as long as they
don't make it more than half empty things are good. Its cheaper, and does not
require fancy tank filling procedures. Given the weight of the bladder it might
even be lighter.</FONT></SPAN></DIV>
<DIV><SPAN class=053083816-13052004><FONT face=Arial color=#0000ff
size=2>Dean</FONT></SPAN></DIV>
<BLOCKQUOTE dir=ltr style="MARGIN-RIGHT: 0px">
<DIV class=OutlookMessageHeader dir=ltr align=left><FONT face=Tahoma
size=2>-----Original Message-----<BR><B>From:</B> Lees,John W
[mailto:jlees@mwdh2o.com]<BR><B>Sent:</B> Thursday, May 13, 2004 12:33
PM<BR><B>To:</B> 'discussion@nsrca.org'<BR><B>Subject:</B> RE: YS 140 DZ going
lean in -ve g maneuvers<BR><BR></FONT></DIV>
<DIV><SPAN class=004212816-13052004><FONT face=Arial color=#0000ff
size=2> I thought DZ's were crap, had several different tanks, clunk's,
ect. Not until I went to a Bladder tank{no air in media} did the engine run
flawless. Since then it has never even hick-upped. </FONT></SPAN></DIV>
<DIV><SPAN class=004212816-13052004><FONT face=Arial color=#0000ff size=2>It
is of my opinion that the DZ will not tolerate any air in the fuel delivery
system. --john</FONT></SPAN></DIV>
<BLOCKQUOTE dir=ltr style="MARGIN-RIGHT: 0px">
<DIV class=OutlookMessageHeader dir=ltr align=left><FONT face=Tahoma
size=2>-----Original Message-----<BR><B>From:</B> PENNISI Peter
[mailto:Peter.Pennisi@publicworks.qld.gov.au]<BR><B>Sent:</B> Wednesday, May
12, 2004 5:29 PM<BR><B>To:</B> discussion@nsrca.org<BR><B>Subject:</B> YS
140 DZ going lean in -ve g manoeuvres<BR><BR></FONT></DIV>
<DIV><FONT face=Arial color=#0000ff size=2><SPAN class=308181500-13052004>Hi
all,</SPAN></FONT></DIV>
<DIV><FONT face=Arial color=#0000ff size=2><SPAN
class=308181500-13052004></SPAN></FONT> </DIV>
<DIV><FONT face=Arial color=#0000ff size=2><SPAN
class=308181500-13052004></SPAN></FONT> </DIV>
<DIV><FONT face=Arial color=#0000ff size=2><SPAN class=308181500-13052004>My
DZ has only returned from holidays in Japan were it was repaired by YS from
another cam failure.</SPAN></FONT></DIV>
<DIV><FONT face=Arial color=#0000ff size=2><SPAN
class=308181500-13052004></SPAN></FONT> </DIV>
<DIV><FONT face=Arial color=#0000ff size=2><SPAN
class=308181500-13052004></SPAN></FONT> </DIV>
<DIV><FONT face=Arial color=#0000ff size=2><SPAN
class=308181500-13052004>The engine is running absolutely superb except when
you pull high negative g manoeuvres like the reverse humpty bump it gets a
little lean for a few seconds put it does come good.</SPAN></FONT></DIV>
<DIV><FONT face=Arial color=#0000ff size=2><SPAN
class=308181500-13052004></SPAN></FONT> </DIV>
<DIV><FONT face=Arial color=#0000ff size=2><SPAN class=308181500-13052004>I
have re-plumbed the model put the problem is still there.
</SPAN></FONT></DIV>
<DIV><FONT face=Arial color=#0000ff size=2><SPAN
class=308181500-13052004></SPAN></FONT> </DIV>
<DIV><FONT face=Arial color=#0000ff size=2><SPAN
class=308181500-13052004>Running</SPAN></FONT></DIV>
<DIV><FONT face=Arial color=#0000ff size=2><SPAN
class=308181500-13052004></SPAN></FONT> </DIV>
<DIV><FONT face=Arial color=#0000ff size=2><SPAN
class=308181500-13052004>APC 16 x 12</SPAN></FONT></DIV>
<DIV><FONT face=Arial color=#0000ff size=2><SPAN class=308181500-13052004>OS
F plug</SPAN></FONT></DIV>
<DIV><FONT face=Arial color=#0000ff size=2><SPAN
class=308181500-13052004>Tetra 20 oz tank with OS sintered(Spelling) bubble
less pickup.(Yes the expensive one)</SPAN></FONT></DIV>
<DIV><FONT face=Arial color=#0000ff size=2><SPAN
class=308181500-13052004>Hatori exhaust (698 pipe)</SPAN></FONT></DIV>
<DIV><FONT face=Arial color=#0000ff size=2><SPAN
class=308181500-13052004>Coolpower 30% heli blend</SPAN></FONT></DIV>
<DIV><FONT face=Arial color=#0000ff size=2><SPAN
class=308181500-13052004>Model is ZN-LINE Alliance.</SPAN></FONT></DIV>
<DIV><FONT face=Arial color=#0000ff size=2><SPAN
class=308181500-13052004></SPAN></FONT> </DIV>
<DIV><FONT face=Arial color=#0000ff size=2><SPAN
class=308181500-13052004>Any suggestions</SPAN></FONT></DIV>
<DIV><FONT face=Arial color=#0000ff size=2><SPAN
class=308181500-13052004></SPAN></FONT> </DIV>
<DIV><FONT face=Arial color=#0000ff size=2><SPAN
class=308181500-13052004></SPAN></FONT> </DIV>
<DIV><FONT face=Arial color=#0000ff size=2><SPAN
class=308181500-13052004>Peter</SPAN></FONT></DIV>
<DIV><FONT face=Arial color=#0000ff size=2><SPAN
class=308181500-13052004></SPAN></FONT> </DIV>
<DIV><FONT face=Arial color=#0000ff size=2><SPAN
class=308181500-13052004></SPAN></FONT> </DIV><!--[object_id=#publicworks.qld.gov.au#]-->
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