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Subject: How do I run lean of peak?
From: Dico Reijers <dico@internetworks.ca>
X-Original-To: lml <lml@lancaironline.net>
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Hi All,

I am new to LOP operations and am looking for some help.  I spoke with some
IV-P owners in oshkosh about this and just wanted to get some more info and
clarification.

I understand that i should run ROP until altitude, then i can run LOP. The
CHTs are supposed to be 390 or less and the TIT 1650 or less. So since i
have not made the "big pull" before, i would like to know how exactly is the
best way.  Do i set the cruise power, say 30" and 2500rpm, then slowly turn
out the mixture... Watch the temps rise ( how hot does it get before it
starts to go down again?) and then keep leaning until i get the TIT back to
1650 and CHT to 380ish or below?  How fast should the leaning happen? I
understand i dont want to get the chts and tits really hot, so i presume i
should be leaning relatively quickly (half a mixture turn per second?)

Has someone ever made a little video with their point and shoot camera of
this process while up in the air?  This would be handy for someone new to
running LOP.

Thanks all,

Dico

-- 
Regards,

Dico Reijers

InternetWorks Ltd.
300 University Avenue
Charlottetown
PE, C1A 4M4

902-892-4671 (T)
888-368-9484 (F)

www.internetworks.ca
www.apartmentspei.com

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Hi All,<br><br>I am new to LOP operations and am looking for some help. =A0=
I spoke with some IV-P owners in oshkosh about this and just wanted to get =
some more info and clarification.<br><br>I understand that i should run ROP=
 until altitude, then i can run LOP. The CHTs are supposed to be 390 or les=
s and the TIT 1650 or less. So since i have not made the &quot;big pull&quo=
t; before, i would like to know how exactly is the best way. =A0Do i set th=
e cruise power, say 30&quot; and 2500rpm, then slowly turn out the mixture.=
.. Watch the temps rise ( how hot does it get before it starts to go down a=
gain?) and then keep leaning until i get the TIT back to 1650 and CHT to 38=
0ish or below? =A0How fast should the leaning happen? I understand i dont w=
ant to get the chts and tits really hot, so i presume i should be leaning r=
elatively quickly (half a mixture turn per second?)<br>
<br>Has someone ever made a little video with their point and shoot camera =
of this process while up in the air? =A0This would be handy for someone new=
 to running LOP.<br><br>Thanks all,<br><br>Dico<br><br>-- <br>Regards,<br>
<br>Dico Reijers<br><br>InternetWorks Ltd.<br>300 University Avenue<br>Char=
lottetown<br>PE, C1A 4M4<br><br>902-892-4671 (T)<br>888-368-9484 (F)<br><br=
><a href=3D"http://www.internetworks.ca">www.internetworks.ca</a><br><a hre=
f=3D"http://www.apartmentspei.com">www.apartmentspei.com</a><br>

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