Today's Message Index:
----------------------
1. 04:30 AM - Re: A-75 bottom overhaul progress - pleasant surprise (Phillips, Jack)
2. 05:38 AM - brake job (Oscar Zuniga)
3. 05:47 AM - Re: brake job (Phillips, Jack)
4. 06:01 AM - Re: smooth sailing! (Robert Gow)
5. 02:47 PM - Brodhead repair (Dick Navratil)
6. 03:48 PM - Re: smooth sailing! (Jeff Boatright)
7. 04:14 PM - Re: smooth sailing! (Alan Lyscars)
8. 07:29 PM - Re: smooth sailing! (Jack T. Textor)
9. 08:26 PM - Re: Brodhead repair & a Day Late (Rcaprd@aol.com)
10. 08:37 PM - Re: Brodhead repair & a Day Late (Mike King)
Message 1
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Subject: | A-75 bottom overhaul progress - pleasant surprise |
Dave, when I built my A65 I did the same thing, mixing and matching all the
reciprocating parts to get it as well balanced as possible. I had new Mil
lenium cylinders and pistons and found their pistons were within =BD gram o
f each other (the original Continental pistons varied by about 7 grams). I
didn't do any metal removal - just swapped parts around until I got each o
f the four sets as close to the same weight as possible. As I recall each
set was within less than 1.5 grams of each other. It's worth the effort.
Mine is the smoothest running A65 I've ever flown behind. I doubt if it tr
anslates to any more power, but it should increase the life of the engine.
Jack Phillips
NX899JP
Raleigh, NC
-----Original Message-----
t-server@matronics.com] On Behalf Of kmordecai001@comcast.net
Sent: Wednesday, July 19, 2006 10:27 PM
Fellow Pieters,
I thought I would take a little time while the crank is in the shop to bala
nce the reciprocating parts in the A-75. Imagine my surprise when I found
the rods within 3 grams of each other! From looking at them you wouldn't h
ave expected it, but I suppose the irregularities in material on the beam s
ides and rod ends were the result of the factory balance work. Lot's of gr
inding marks & variation from rod to rod, but the balance is very good. A
little work with the grinder and now they're within 1 gram.
Pistons are within 10 grams, but will soon be within 1 or 2 :-)
I know, this is way overkill for a 2600 rpm engine, but it keeps me off th
e streets & justifies the occasional purchase of tool bits.
Also smoothed & polished the intake spider, elbows, and ports. Port matchin
g was pretty good, but the surface finish was pretty rough with lot's of ve
ry rough spots from irregularities in the mold. Once again, overkill for a
slow running motor, but maybe I'll pick up a few rpm's in climbout.
Looking forward to assembly in a couple of weeks.........
Dave Mordecai
Panacea, FL
NX520SF
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Message 2
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--> Pietenpol-List message posted by: "Oscar Zuniga" <taildrags@hotmail.com>
Dave wrote-
>my IA told me to taxi and drag the brakes. At about 1/2 way to the end
>of the runway the brakes were pretty well locked up.
>I turned around and let things cool down and they have been happy ever
>since.
According to the literature, for organic linings they need to get up into
the 850F range but if you heat them too much too fast, you carburize the
material and it becomes brittle. The heat is required to set the resins
that bind the lining material and you want to form a bit of a glaze, but
again- too much, too fast is not good. That's why they say to taxi about
1000 ft. to get them hot, then let them cool down, then repeat until braking
action is good. The recommendation is to let them cool for 30-45 minutes
between runs but I'm worried that if I do that, the brakes might get HOTTER
from standing in the South Texas heat! ;o)
Oscar Zuniga
San Antonio, TX
mailto: taildrags@hotmail.com
website at http://www.flysquirrel.net
Message 3
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--> Pietenpol-List message posted by: "Phillips, Jack" <Jack.Phillips@cardinal.com>
Tony Bingelis describes how to condition new brake pads. I think it is
in the yellow book. Here is an excerpt:
"The Product Reference Memo I received with my new Cleveland wheels and
brakes states that the "conditioning" may be accomplished as follows:
"1. Perform a minimum of six light pedal effort braking applications
from 25 to 40 mph. Allow the brake discs to partially cool between
stops.
"
That's it. Apparently the procedure insures that sufficient heat is
generated to cure the resins in the linings and yet not cause them to
become carburized due to excessive heat.
Jack Phillips
-----Original Message-----
[mailto:owner-pietenpol-list-server@matronics.com] On Behalf Of Oscar
Zuniga
Sent: Thursday, July 20, 2006 8:37 AM
--> Pietenpol-List message posted by: "Oscar Zuniga"
<taildrags@hotmail.com>
Dave wrote-
>my IA told me to taxi and drag the brakes. At about 1/2 way to the end
>of the runway the brakes were pretty well locked up.
>I turned around and let things cool down and they have been happy ever
>since.
According to the literature, for organic linings they need to get up
into
the 850F range but if you heat them too much too fast, you carburize the
material and it becomes brittle. The heat is required to set the resins
that bind the lining material and you want to form a bit of a glaze, but
again- too much, too fast is not good. That's why they say to taxi
about
1000 ft. to get them hot, then let them cool down, then repeat until
braking
action is good. The recommendation is to let them cool for 30-45
minutes
between runs but I'm worried that if I do that, the brakes might get
HOTTER
from standing in the South Texas heat! ;o)
Oscar Zuniga
San Antonio, TX
mailto: taildrags@hotmail.com
website at http://www.flysquirrel.net
_________________________________________________
Message 4
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I've got family affair that will keep me from Brodhead. I'm going to try to
make Oshkosh. Will there be any Piets going on to Oshkosh?
Bob
-----Original Message-----
From: owner-pietenpol-list-server@matronics.com
[mailto:owner-pietenpol-list-server@matronics.com]On Behalf Of Douwe
Blumberg
Sent: July 19, 2006 5:39 PM
To: pietenpolgroup
Subject: Pietenpol-List: smooth sailing!
I wish everybody safe journeys, calm air and strong tailwinds to Brodhead.
However you travel there, have a safe one. I will miss being there, but
Lord willing we'll be flying NX799B up next year!!
Douwe
Message 5
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I went out today to fuel up NX2RN and check things out for the flight
tomorrow. I found a fair amount of chafing on my fixed gear bungees.
The casing is worn thru but all strands of rubber intact. I picked up
new bungees today and all supplies to replace them, but there is no one
around the airport to help me stretch new ones on short notice. I am
comfortable with flying to Brodhead, so could someone who is driving
down, bring along a bottle or sissors jack and a couple of blocks of
wood to help me repair.
I am hoping to be there by 1 pm. tomorrow. Hopefully, with a tail wind
and non stop 245 mi.
Thanks
Dick N.
Message 6
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Subject: | Re: smooth sailing! |
I'm up here at Brodhead - drove in.
The wx has been pretty bad, with lots of storms. Right now, there's
only one fly-in Piet, the blue one with radial engine. However, the
clouds have cleared and it's beautiful. Also, the new hotel (Earth
Rider) is fantastic, especially if you're traveling with a
non-Pieting wife!
>I wish everybody safe journeys, calm air and strong tailwinds to
>Brodhead. However you travel there, have a safe one. I will miss
>being there, but Lord willing we'll be flying NX799B up next year!!
>
>Douwe
--
Jeffrey H. Boatright, Ph.D.
Associate Professor
Department of Ophthalmology
Emory University School of Medicine
Atlanta, GA 30322
Editor-in-Chief
Molecular Vision
http://www.molvis.org/
Message 7
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Subject: | Re: smooth sailing! |
Re: Pietenpol-List: smooth sailing!Jeff and The Gang,
Boys,
Please take many photos for later posting. We Boondocks Kids wish you
all a rewarding Broadhead event; wishing we were there too.
Al in Maine
Early GN-1
----- Original Message -----
From: Jeff Boatright
To: pietenpol-list@matronics.com
Sent: Thursday, July 20, 2006 6:45 PM
Subject: Re: Pietenpol-List: smooth sailing!
I'm up here at Brodhead - drove in.
Message 8
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See ya Friday night Duowe
Jack Textor
do not archive
I wish everybody safe journeys, calm air and strong tailwinds to
Brodhead. However you travel there, have a safe one. I will miss being
there, but Lord willing we'll be flying NX799B up next year!!
Douwe
--
Jeffrey H. Boatright, Ph.D.
Associate Professor
Department of Ophthalmology
Emory University School of Medicine
Atlanta, GA 30322
Editor-in-Chief
Molecular Vision
http://www.molvis.org/
Message 9
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Subject: | Re: Brodhead repair & a Day Late |
In a message dated 7/20/2006 4:49:14 PM Central Standard Time,
horzpool@goldengate.net writes:
I went out today to fuel up NX2RN and check things out for the flight
tomorrow. I found a fair amount of chafing on my fixed gear bungees. The casing
is
worn thru but all strands of rubber intact. I picked up new bungees today and
all supplies to replace them, but there is no one around the airport to help
me stretch new ones on short notice. I am comfortable with flying to
Brodhead, so could someone who is driving down, bring along a bottle or sissors
jack
and a couple of blocks of wood to help me repair.
I am hoping to be there by 1 pm. tomorrow. Hopefully, with a tail wind and
non stop 245 mi.
Thanks
Dick N.
I'm going to be a day late, too. I finally finished up the editing of
the 'Building NX770CG', after the stinking lousy Pinnacle Editing Program kept
crashing, over and over again. This program has been a pain in the neck ever
since I started using it. I finally got it ready to burn some copies, and out
of a couple dozen attempts, I have EIGHT discs that didn't burn properly...not
a very good track record for that lousy editing program. I now check every
single disc, after I burn them.
Well, the plane is ready, and all packed, alarm clock set for 4am. I
should make Brodhead within the day Friday, unless weather blocks the way.
However, the weather is looking pretty good.
See y'all there Friday late afternoon, or evening !!
Chuck G.
NX770CG
Message 10
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Subject: | Re: Brodhead repair & a Day Late |
Have a safe trip Chuck. Take plenty of pictures for us who can't
make this year.
Mike King
GN-1
77MK
Dallas, Texas
----- Original Message -----
From: Rcaprd@aol.com
To: pietenpol-list@matronics.com
Sent: Thursday, July 20, 2006 10:24 PM
Subject: Re: Pietenpol-List: Brodhead repair & a Day Late
In a message dated 7/20/2006 4:49:14 PM Central Standard Time,
horzpool@goldengate.net writes:
I went out today to fuel up NX2RN and check things out for the
flight tomorrow. I found a fair amount of chafing on my fixed gear
bungees. The casing is worn thru but all strands of rubber intact. I
picked up new bungees today and all supplies to replace them, but there
is no one around the airport to help me stretch new ones on short
notice. I am comfortable with flying to Brodhead, so could someone who
is driving down, bring along a bottle or sissors jack and a couple of
blocks of wood to help me repair.
I am hoping to be there by 1 pm. tomorrow. Hopefully, with a tail
wind and non stop 245 mi.
Thanks
Dick N.
I'm going to be a day late, too. I finally finished up the
editing of the 'Building NX770CG', after the stinking lousy Pinnacle
Editing Program kept crashing, over and over again. This program has
been a pain in the neck ever since I started using it. I finally got it
ready to burn some copies, and out of a couple dozen attempts, I have
EIGHT discs that didn't burn properly...not a very good track record for
that lousy editing program. I now check every single disc, after I burn
them.
Well, the plane is ready, and all packed, alarm clock set for 4am.
I should make Brodhead within the day Friday, unless weather blocks the
way. However, the weather is looking pretty good.
See y'all there Friday late afternoon, or evening !!
Chuck G.
NX770CG
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