[SCA-AE] RE: looking for some combat archers that shot at pennsic

[Tessa]

Nope, it's still official.  I'm the one who had the page made, tweaked it,
etc.. :)

What you don't know, since you aren't an active combat archery marshal
and/or weren't there when this testing/approval was made (smile).. is this:

We use Siloflex and it's equilavents for APD's (anti-penetration devices)
and for bolts and arrows.  It was much more confusing to seperate
everything.  We tried making that page several different ways.  The rules
clearly state 100 psi Siloflex (the equilavent to that is any of the 100 psi
Polyethylene Piping).  The rest of the equivalents are for the APD's.  We
had a number of people in Canada who couldn't get the same Polyethylene
piping that we could in the states, so we had to get samples of what they
could get and conduct testing to make certain it was safe.

That's also why it says x.. is approved for making APDs.. since only the 100
psi is good for arrows or bolts.  There are several different psi's that are
fine for APD's (since they serve a different function).

A good rule of thumb, if someone wants to make combat archery arrows/bolts
is to double check with someone experienced with making them.  I know I'm
always happy to help, just as our Kingdom deputy for CA, Ce'tach is, too.
:)

Something that may help.. 100 and 160 psi are not the same thing.. that's
the pressure rating.  So, where 80 psi isn't that far from 100 psi.. 160 psi
is much stiffer, thicker, etc.. it's much stronger, which isn't always a
good thing, especially when shot from a crossbow.

I hope that helps explain things a bit better.

Tessa, Regina (former Society Combat archery marshal) grin..



Except that the Siloflex equivalency rules allow other materials to be the
equivalent of either 100 psi or 160 psi Siloflex -- so why allow equivalent
materials at that psi but not siloflex itself? (from
<http://www.sca.org/officers/marshal/combat/archery/siloflex_equivalent.pdf)
Siloflex Equivalents 1. Be manufactured to ASTM D2239 or ASTM D2737
Standards. 2. Be manufactured from PE3408 3. Be sized as 1" ID if D2239, or
1-1/4" OD if D2737 4. Have a SIDR rating of 15 or lower (typically 100PSI or
heavier pipe) or have a SODR rating of 17 or lower (typically 100PSI or
heavier pipe) 5. Must be 100, 160 or 200 psi These guidelines will allow
pipe to be used from a variety of manufacters... Is this document no/no
longer official, or has something else changed? toodles, margaret