Today's Message Index:
----------------------
1. 09:38 AM - Re: welding 4130 hinges (DaveG601XL)
2. 12:59 PM - turnbuckles (Ralph)
3. 01:24 PM - Re: turnbuckles (Jack)
4. 01:32 PM - motorcycle master cylinder (wheelharp)
5. 07:32 PM - Re: off topic 1920's project book (Ryan Mueller)
Message 1
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| Subject: | Re: welding 4130 hinges |
Dan,
I am glad Russ M. was able to help you out. Have you met with John M. yet? Both
are good welders. Bring some of your most recent test pieces to the next chapter
meeting and we will give them a look over. Russ and I would like to come
to your shop sometime and check out your progress over the summer.
Good luck,
--------
David Gallagher
Zodiac 601 XL-B: flying, 280+ hours now
Next project under construction: Finish my father's Aircamper
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http://forums.matronics.com/viewtopic.php?p=454684#454684
Message 2
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Early on in my Piet build I bought a large number of used turnbuckles at
Oshkosh. A couple years ago I took one of the end forks with me to
Oshkosh to be sure and get the correct size pins for the fork end. Now
that I am assembling the tail pieces I find I have misplaced the fork
end to one of the turnbuckles. I located a supple of used turnbuckles
locally but can=99t find one of the same thread pitch. I found
one of the same diameter but only about 4 threads will fit into the
barrel. Under a microscope I count 30 threads per inch on the type fork
I need to replace. The used one I found has 32 threads per inch as does
the forks available from Aircraft Spruce. Is it possible the used
turnbuckles I got years ago at Oshkosh are a military spec which is
different than the thread spec currently used on civilian aircraft? I
will be able to replace the entire turnbuckle unit but I am curious
about the 2 threads per inch difference in the forks. Anybody have any
explanation?
Ralph in SD
Message 3
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Ralph I did the same thing. I've heard some of the older sets threads varie
d. It was important to keep them together as matched sets...
Sent from my iPad
Jack Textor
> On Apr 7, 2016, at 2:53 PM, Ralph <ralphhsd@itctel.com> wrote:
>
> Early on in my Piet build I bought a large number of used turnbuckles at O
shkosh. A couple years ago I took one of the end forks with me to Oshkosh t
o be sure and get the correct size pins for the fork end. Now that I am ass
embling the tail pieces I find I have misplaced the fork end to one of the t
urnbuckles. I located a supple of used turnbuckles locally but can=99
t find one of the same thread pitch. I found one of the same diameter but o
nly about 4 threads will fit into the barrel. Under a microscope I count 30
threads per inch on the type fork I need to replace. The used one I found h
as 32 threads per inch as does the forks available from Aircraft Spruce. Is
it possible the used turnbuckles I got years ago at Oshkosh are a military s
pec which is different than the thread spec currently used on civilian aircr
aft? I will be able to replace the entire turnbuckle unit but I am curious a
bout the 2 threads per inch difference in the forks. Anybody have any expla
nation?
>
> Ralph in SD
Message 4
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| Subject: | motorcycle master cylinder |
I haven't had a chance to do a lot of research on this yet, but so far I haven't
found anything yet.
Anyway, I was looking at the master cylinder for my son's crf 450 Honda dirt bike,
and boy it sure looks like something a person could make toe brakes out of
by mounting to the diagonals, similar to how many have done, just in this case
the master cylinder would be mounted stationary instead of having a pivot mount
on the end.
Anyone ever tried this?
--------
Jon Jones
Ironton, MO
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http://forums.matronics.com/viewtopic.php?p=454706#454706
Attachments:
http://forums.matronics.com//files/20160407_150625_108.jpg
Message 5
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| Subject: | Re: off topic 1920's project book |
Hi Jon,
It appears you may have some iteration of "Every Boy's Hobby Annual". This site
has a number of articles scanned in from various yearly publications of the Annual:
http://www.easybuiltmodels.com/nostalgia.htm
This article from the 1928 issue in particular matches--at least in basic content--the
pictures you posted:
http://www.easybuiltmodels.com/spSimple%20Model%20Aeroplanes.pdf
The layout does not match, however. My guess would be that this article was published
in more than one issue of the Annual--maybe not every year, but reused
multiple times at least. In my searching I am seeing issues from 1927 - 1936;
unfortunately I'm not finding specific information to indicate which year your
copy may be from.
I don't really have any more information about this publication beyond what is
provided on the website above--this is my first encounter with it. I presume this
was a UK publication; when searching for issues on Abebooks, an online bookseller,
41 out of 55 copies for sale are from UK vendors.
Hope that helps,
-Ryan
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http://forums.matronics.com/viewtopic.php?p=454711#454711
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