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<DIV><STRONG><FONT face="MS Sans Serif" color=#0000ff>Raising weight limit also
has potential of being FAI issue which AMA has followed their lead in regard to
Precision Aerobatics. The U.S. is only 1 vote and many other countries would
have to agree. To have AMA be different from FAI has in the past shown not to be
the best situation.</FONT></STRONG></DIV>
<DIV><STRONG><FONT face="MS Sans Serif"
color=#0000ff> </FONT></STRONG></DIV>
<DIV><STRONG><FONT face="MS Sans Serif" color=#0000ff>
Del K. Rykert<BR> AMA - 8928
<BR> NSRCA - 473<BR> Kb2joi -
General </FONT></STRONG></DIV>
<DIV> </DIV>
<DIV><STRONG><FONT face="MS Sans Serif"
color=#0000ff></FONT></STRONG> </DIV>
<BLOCKQUOTE
style="PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #0000ff 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=VicenteRC@aol.com
href="mailto:VicenteRC@aol.com">VicenteRC@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> Saturday, July 05, 2003 6:03
AM</DIV>
<DIV style="FONT: 10pt arial"><B>Subject:</B> Re: OS Piston Pin</DIV>
<DIV><BR></DIV>Jim:<BR><BR>The problem with gasoline engines is that in the
range size and power of the OS 140 or similar, the gasoline engine weight
between 1 lb and 1.5 lb more. It will be nice that the manufacturers go
back to drawing board and produce a very light gasoline that could be used
pattern.<BR><BR>Regards,<BR><BR>Vicente Bortone<BR><BR><BR><BR><BR><BR>In a
message dated 7/4/2003 1:00:53 PM Eastern Standard Time, <A
href="mailto:JOddino@socal.rr.com">JOddino@socal.rr.com</A>
writes:<BR><BR>> <BR>> <BR>> You folks are sure making a case for gas
engines with enough displacement to<BR>> get the job done. My DA50 is
barely broken in at 100 flights. I recently<BR>> got an e-mail from a
guy who put one in a Gator Giles 202. It went to 14<BR>> pounds but I
bet it does exactly what pattern pilots are looking for. Super<BR>>
thrust and good braking. Get rid of the weight limit and you'd see
whole<BR>> new breed of two meter pattern planes.<BR>> My 202 with the
OS 1.40 EFI is sitting collecting dust since the bearing<BR>> went out at,
you got it, 100 flights. I'd rather fly than rebuild engines.<BR>>
Jim<BR>> ----- Original Message ----- <BR>> From: <<A
href="mailto:flyboy422@juno.com">flyboy422@juno.com</A>><BR>> To: <<A
href="mailto:discussion@nsrca.org">discussion@nsrca.org</A>><BR>> Sent:
Friday, July 04, 2003 9:09 AM<BR>> Subject: Re: OS Piston Pin<BR>>
<BR>> <BR>> > Verne,<BR>> ><BR>>
> If you can stand one more take on the OS
piston I'll share my<BR>> > experience. I have been flying OS
140's for 3 years which means I have<BR>> > been changing bearings at
least twice a year. Everything that has been<BR>> > written on the
list regarding the wrist pin is correct. The method I use<BR>> >
for the bearing is as follows: Perheat your oven to 500 degrees.
Clean<BR>> > as much fuel off the case as you can. Put the case in
the oven for 30<BR>> > minutes. When you open the oven door, the
bearing will be out of the<BR>> > case. If you are not this
lucky, it will only take a slight rap to<BR>> > finish the job.
Put the new bearing(stainless) in the freezer for the<BR>> > same 30
minutes. I remove any shields from the bearing. They only
will<BR>> > restrict lubrication. Put the bearing onto the
crankshaft and insert<BR>> > into the case. I know you'll know
what to do next.<BR>> ><BR>>
> I suggest you use only
stainless bearings and expect to get about<BR>> > 100 runs out of
it. The early warning sign of wear will be a slight<BR>> > rocking
of the prop when the engine is hot. Once that starts you
have<BR>> > about 10 flights left. I use after run oil
religiously. <BR>> Good luck and<BR>> > I'll see you at the
Nats.<BR>> ><BR>> > Steve Miller<BR>> >
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> # and put leave discussion on the first line of the body.<BR>> >
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