Today's Message Index:
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0. 09:17 AM - Please Make a Contribution to Support Your Lists... (Matt Dralle)
1. 12:11 PM - Re: Sun n Fun 2016 Project (dgaldrich)
2. 01:05 PM - Re: Rudder Post (at7000ft)
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| Subject: | Please Make a Contribution to Support Your Lists... |
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| Subject: | Re: Sun n Fun 2016 Project |
Hi Tony
Looks like we will be able to do your horizontal stab and elevators (or flippers)
this year. The only fly in the ointment is that Skip is not driving back up
through Atlanta and can't deliver it. If you know anybody who could pick them
up or if anybody on this list is going back trough Atlanta and could deliver,
that would be great. More to follow...
For the rest of you, we are going to do something incredibly heretical at Sun N
Fun -- work on a KR-2. I know, enclosed cockpit, side by side, low wing, fast,
yada, yada. Quelle horreur. But here's the deal. A gentleman inherited a
KR-2 project from a person who had the audacity to pass away before he finished.
He is donating the project to us to work on and then pass it on to another
deserving party. We haven't seen the project and have no details as to what
stage it is and what quality work has been done but we'll find out soon enough,
hopefully.
Dave
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=449844#449844
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oldbird wrote:
> Hi
>
> I realized one of the drawings specify "braze" and the other nothing for the
rudder bar pivot bolt. None says "weld". Braze and weld are not the same. To my
knowledge, AN bolts are made of some alloy steel. Most likely containing chromium
and heat treated. Usually they harden when heated red hot and left to cool.
This causes a boundary of different crystal structures at and beside the welded
area. This is a danger area in starting a crack.
>
> This brings up a question to my mind: What type of bolts did Mr. Pietenpol use?
Were AN hardware available as early as 1920s, in Minnesota? This will also
help my decision about the bolts I am going to use in my Piet. My guess: Mr. Pietenpol
used normal grade 8 bolts.
>
> Regards and happy landings.
>
> Semih
Semih
You will feel much better when flying your Piet knowing you used AN hardware throughout
-- except for that rudder bar pivot bolt. I tig welded mine and have
had no problems through 75 hrs of flying and heavy rudder use. The cadmium on
a hot AN bolt is not something you want to inhale. Used a grade 8 for that one.
Rick H
--------
Rick Holland
NX6819Z
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=449846#449846
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