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<DIV><FONT face=Arial color=#000000 size=2>The Original FZ and the sport are
essentially the same motor. The Sport has the L carb on it which gives a little
boost in performance over the original FZ. Actually the Sport is an FZ 2....And
by the way the difference in the 140L (limited edition) and the FZ was the carb
and the crank shaft ring.</FONT></DIV>
<DIV><FONT face=Arial color=#000000 size=2></FONT> </DIV>
<DIV><FONT face=Arial color=#000000 size=2>So the difference in the 140L and the
140FZ-Sport is the crank shaft ring. </FONT></DIV>
<DIV><FONT face=Arial color=#000000 size=2></FONT> </DIV>
<DIV><FONT face=Arial color=#000000 size=2>Now in the time since the 140FZ came
out in 96-97' there have been many changes to these 140's gas ported pistons,
piston designs,maybe needle valve changes, throttle barrel changes and so on but
these really are not different generation changes....You can still use a 140
piston in a 140FZ, L, Sport or DZ....In fact the new piston design from the DZ I
believe is being used in the 140FZ-Sport. So to say you need an FZ piston and
not the L piston...These parts are interchangeable...So use the DZ piston its
the newer one.</FONT></DIV>
<DIV><FONT face=Arial color=#000000 size=2></FONT> </DIV>
<DIV><FONT face=Arial color=#000000 size=2>Parts are essentially
interchangeable....and the performance difference is minor. The L had
about 300rpm over the FZ and the Sport is about in the middle of the FZ and
L.</FONT></DIV>
<DIV><FONT face=Arial color=#000000 size=2></FONT> </DIV>
<DIV><FONT face=Arial color=#000000 size=2>As for power and performance I will
say this...the top end power of an FZ-Sport or 140L is not equal to the 140 2
strokes. Where as I feel the 140DZ's power is on equal footing. Others will
argue this but If prop and setup right the 140DZ will haul the same model just
as well top end as a 140RX. I experienced it and flew a 140EFI and
RX's and the DZ in the same Smaragd and chose the performance of the DZ. I
don't want to argue this point with anyone if you believe different that's
fine...Lets go compete and see where the chips fall. It doesn't matter how your
model gets up the line the fact that it does get up the line is what is
important. My contention is the 4 strokes make it easier for me to fly the
sequences, and this is also proven by the top F3A pilots in the country and the
world. Out of the top pilots at the NATS 12th place was the 1st 2 stroke, and
then the Electric Jason flew. It still comes down to skills, as Jason
showed us all at the NATS with his Electric. But 10 out of the top 12 is a
pretty bold statement...And 10 out of the top 11 being 4 stroke is another good
statement on the performance of the motors.</FONT></DIV>
<DIV><FONT face=Arial color=#000000 size=2></FONT> </DIV>
<DIV><FONT face=Arial color=#000000 size=2>The question at hand is the 140Sport
compared to the 140 2 strokes...It will be down on power on the top
end...However it is more than enough power to do what is needed in the model
even at 11lbs...Less weight and the motor will give even better performance. I
ran a 140L in a ZN Line Fashion back in 2000 and that model was a little on the
heavy side (10.8lbs at one time)....and I had plenty of power for the F3A
sequences of the time which are very comparable to what we have today....Humpty
bump with positive snap up and 4pt roll down was in the finals sequence back
then....And I had enough power even at 6000ft in Denver to fly it. The most
demanding power sequences in today's Prelim or finals sequences are 1 positive
snaps up....on humpty bumps...</FONT></DIV>
<DIV><FONT face=Arial color=#000000 size=2></FONT> </DIV>
<DIV><FONT face=Arial color=#000000 size=2>I feel the 140Sport has great
potential as a pattern motor. A bunch of people got the idea that they should
convert their FZ's to L's and I think that was foolish. The power gain was
minimal and you took a smooth easy to operate motor and turned into a more
compressed, more shake-rattle-n-roll more and it cost you about 75-150
bucks depending on parts....The 140FZ was one of the best motors ever
released and it was an easy one to operate. This is why they called it the
FZ 2 a SPORT even the sport guys would love the motor....I would not
hesitate to run a 140 FZ-sport in a 10lb to 10.5lb model. Especially in AMA
Masters Class and below. The top dog is of course the 140DZ and then later this
year the 160DZ but the Sport is every bit as capable if you run it right.....You
just have to learn to use what is available...</FONT></DIV>
<DIV><FONT face=Arial color=#000000 size=2></FONT> </DIV>
<DIV><FONT face=Arial color=#000000 size=2></FONT> </DIV>
<DIV><FONT face=Arial color=#000000 size=2>TN</FONT></DIV>
<BLOCKQUOTE dir=ltr
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=THERUPMAN@aol.com
href="mailto:THERUPMAN@aol.com">THERUPMAN@aol.com</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> Friday, August 20, 2004 1:33
PM</DIV>
<DIV style="FONT: 10pt arial"><B>Subject:</B> Re: YS 1.40 Sport</DIV>
<DIV><BR></DIV><FONT id=role_document face="Arial Rounded MT Bold"
color=#0080ff size=4>
<DIV><FONT size=4>I've got a question along this same line. What's the
difference between the 140 Sport and the older, but still a goodie, 140
FZ?</FONT></DIV>
<DIV><FONT size=4>As they say in the old commercial, "Thanks for your
support."</FONT></DIV>
<DIV><FONT size=4>Bob Ruppel</FONT></DIV>
<DIV><FONT size=4>Nashville</FONT></DIV></BLOCKQUOTE></FONT></BODY></HTML>