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Date: Fri, 23 May 2014 07:28:21 -0400
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From: dudewanarace@yahoo.com
Reply-To: dudewanarace@yahoo.com
Subject: RE: Observations on Limited Life Items
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Chris,=0ACorrect. =A0When Scotty owned it, he mentioned the story. =A0I gue=
ss he literally had to jump out and Flintstone it to a stop.=0A=0ANot long =
after I bought the airplane, during one of my dual training flights, I had =
a brake lining come off. =A0My only guess is that it was squeezed too tight=
 when rivited to the base. =A0So the lining drops out and I loose right bra=
ke, pumped like my life depended on it and that just pushed the piston out =
of the caliper because there was no pad to fill the void. =A0Ended up doing=
 an ever so gentle left turn off the runway right between 2 taxi lights, in=
to the grass.=0A=0AThe Matco brakes are small, and cheap to repair, but man=
.. It is a fair amount of work to fix a pinched tube that is only inevitabl=
e. (I have the standard gear) Someday I'll 'brake' down (a little pun there=
) and buy the Beringer kit and be done with it.=0A=0ATom McNerney=0Ahttp://=
www.N54SG.com=A0=0A=A0=0A~~~~~~~~~~~~~~~~~~~~=0A=0AWasn't it Unleashed=A0(b=
efore you, Tom)=A0that almost ran into the fuel island several years ago wh=
en a brake=A0line failed?=A0=0A=0AI just weighed an old brake disc.=0ABased=
 on that and a Cp of 500 J/(kg-K) and mid-weight, 80 deg day=0AMax braking =
from speed x will raise the disc temperature to y degrees=0A25 kts=A0 220 d=
egF=0A35 kts=A0 350 degF=0A45 kts=A0=A0530 degF=0A55 kts=A0 750 degF=0A=0AK=
eep those brake lines protected.=0A=0AChris Zavatson=0AN91CZ=0A360std=0Ahtt=
p://www.N91CZ.net=0A
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<html><body><div style=3D"color:#000; background-color:#fff; font-family:ti=
mes new roman, new york, times, serif;font-size:14pt"><div class=3D"" style=
=3D"">Chris,</div><div class=3D"" style=3D"">Correct. &nbsp;When Scotty own=
ed it, he mentioned the story. &nbsp;I guess he literally had to jump out a=
nd Flintstone it to a stop.</div><div class=3D"" style=3D""><br></div><div =
class=3D"" style=3D"">Not long after I bought the airplane, during one of m=
y dual training flights, I had a brake lining come off. &nbsp;My only guess=
 is that it was squeezed too tight when rivited to the base. &nbsp;So the l=
ining drops out and I loose right brake, pumped like my life depended on it=
 and that just pushed the piston out of the caliper because there was no pa=
d to fill the void. &nbsp;Ended up doing an ever so gentle left turn off th=
e runway right between 2 taxi lights, into the grass.</div><div class=3D"" =
style=3D""><br></div><div class=3D"" style=3D"">The Matco brakes are small,=
 and cheap to
 repair, but man.. It is a fair amount of work to fix a pinched tube that i=
s only inevitable. (I have the standard gear) Someday I'll 'brake' down (a =
little pun there) and buy the Beringer kit and be done with it.</div><div c=
lass=3D"" style=3D""><br></div><div class=3D"" style=3D"">Tom McNerney</div=
><div class=3D"" style=3D""><a href=3D"http://www.n54sg.com/">http://www.N5=
4SG.com</a>&nbsp;</div><div> &nbsp;</div><div class=3D"" style=3D"">~~~~~~~=
~~~~~~~~~~~~~</div><div class=3D"" style=3D""><br></div><div class=3D"" sty=
le=3D"">Wasn't it Unleashed&nbsp;(before you, Tom)&nbsp;that almost ran int=
o the fuel island several years ago when a brake&nbsp;line failed?&nbsp;</d=
iv><div class=3D"" style=3D""><br class=3D"" style=3D""></div><div class=3D=
"" style=3D"">I just weighed an old brake disc.</div><div class=3D"" style=
=3D"">Based on that and a Cp of 500 J/(kg-K) and mid-weight, 80 deg day</di=
v><div class=3D"" style=3D"">Max braking from speed x will raise the disc t=
emperature to y degrees</div><div
 class=3D"" style=3D"">25 kts&nbsp; 220 degF</div><div class=3D"" style=3D"=
">35 kts&nbsp; 350 degF</div><div class=3D"" style=3D"">45 kts&nbsp;&nbsp;5=
30 degF</div><div class=3D"" style=3D"">55 kts&nbsp; 750 degF</div><div cla=
ss=3D"" style=3D""><br class=3D"" style=3D""></div><div class=3D"" style=3D=
"">Keep those brake lines protected.</div><div class=3D"" style=3D""><br cl=
ass=3D"" style=3D""></div><div class=3D"" style=3D"">Chris Zavatson</div><d=
iv class=3D"" style=3D"">N91CZ</div><div class=3D"" style=3D"">360std</div>=
<div class=3D"" style=3D""><a href=3D"http://www.n91cz.net/" class=3D"" sty=
le=3D"">http://www.N91CZ.net</a></div><div class=3D"" style=3D""><br style=
=3D""></div></div></body></html>
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