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Lord Christophe,<br>
<br>
Our only reason for rejecting them should be safety, since they
otherwise meet our rather relaxed requirements for form and
function. As these aren't factory-made bows with (hopefully)
consistent quality control, I think we must have senior marshals
carefully evaluate every one on a case-by-case basis, each time they
are presented. The skill of the bowyer is going to have a lot to do
with how safe they are. What you say about PVC pipe is a red flag,
and an unpainted, or unwrapped bow will need even greater scrutiny.
A bow that passes inspection when new might not be safe in a few
months.<br>
<br>
We probably will only be able to make a blanket rule about them when
we have some experience with their reliability, or lack there of. We
could learn a lot if we built a couple and put them to use.<br>
<br>
Yours Aye,<br>
<br>
<br>
Mungo<br>
<br>
<br>
On 4/24/2012 1:00 PM, John Atkins wrote:
<blockquote cite="mid:00cd01cd223b$b8a1d1c0$29e57540$@triad.rr.com"
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<p class="MsoNormal"><span
style="font-family:"Calibri","sans-serif";color:#1F497D">Folks
if you go to his site, backyardbowyer.com, and click on
Other, then select Youtube you see his videos on how he
makes his bows, breakage tests, etc. I’ve been told by
others that the poundage is a product of the piping used.
Thinner diameter, less poundage, also schedule 40 versus
schedule 80.<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-family:"Calibri","sans-serif";color:#1F497D">My
first concern was the effect of sun light on PVC piping. My
first job out of college was running the marine aquaculture
lab for San Diego State University. I learned how to plumb
PVC piping from ¼ inch to 10 inch diameter. I KNOW PVC
pipe. One major issue with it is that after a year or so in
sun light it becomes so brittle that if you step on it, it
breaks. He covers this in his videos saying that painting
the bow protects it from the damaging UV rays. I bought a
piece of pipe to try to make one to test it out. If/when I
get it finished and tested I’ll report back.<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-family:"Calibri","sans-serif";color:#1F497D">My
main reason from bringing this up is that I am beginning to
hear more about these bows from several folks in my area. I
expect that we will begin to see these bows showing up on
our ranges. We need to decide how we are going to handle
them BEFORE that date. i.e. Will we accept them, we will
reject them? If we reject them, we need to have a good
solid reason for rejection. I recall several years ago an
archer took their newly purchased bow to the range at
Pennsic where it was rejected. This was one of those $40
black all fiberglass bows and the archer bought it from Elk
Ridge Archery which is a very reputable and SCA friendly
bowyer. The archer took it back to Elk Ridge and told them
what the marshals had said. When Deb, Joe’s wife and
co-owner, took the bow back to the range to ask why it was
rejected, all they said was “That’s a bad bow”. No
justification or reason as to why or what. There was
nothing wrong with the bow. I would rather not be in that
position with these PVC bows.<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-family:"Calibri","sans-serif";color:#1F497D">Just
saying,<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-family:"Calibri","sans-serif";color:#1F497D">cog</span><br>
</p>
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