LR- Fw: [SCA-Siege] Siege FAQ

[Adam Harrison]

Siege engineers take note!

it's a small FAQ, but it answers the basic questions one might have...

-Bjorn


----- Original Message -----
From: <dsmith2484 at aol.com>
To: <SCA-Siege at egroups.com>
Sent: Monday, September 11, 2000 9:04 AM
Subject: [SCA-Siege] Siege FAQ


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>
> Since I haven't seen it show up in a couple of months, here's the Siege
> Engine FAQ for the list.  Any comments are welcome, and I MAY even take
your
> advice <Grin>
>
> SCA Siege Engine FAQ.
>
>
> 1. Where are the rules:
>
> 2. Why can't I build a compressed gas/ hair spray cannon?
>
> The Society Marshall has ruled  (and the BOD has upheld this ruling) that
ALL
> compressed gas cannon, i.e. anything that involves using compressed gas to
> project the "rock" are banned and cannot be used in SCA combat.
>
> Hold on whilst I discuss the reasoning behind this. (Note: Nothing in the
> message should be construed to mean I agree with this reasoning, I am just
> attempting to explain the reasoning that the marshals and BOD are
following.)
>
> In all the gas powered cannons I have seen, the cannon is charged by
placing
> gas into some sort of chamber.  The cannon is then aimed and the gas is
> released/ignited to discharge the projectile.  Let's assume we all
understand
> the Marshall's concern with flaming materials and examine their reasoning
for
> the compressed gas concerns.  The marshals have a problem in that they
cannot
> determine that the temporary container for the gas is safe and won't
explode.
>  Additionally even if it is safe at the rated pressure, how can they be
> certain the chamber won't get overcharged during the heat of combat and
> explode?  Shrapnel is generally considered bad.
>
> While I am certain that all of us on the list can design and construct a
safe
> gas powered cannon, consider Lord Billy-Bubba Redneck (and we all know
> someone like him in the SCA) who decides to construct a gas powered
cannon,
> but instead of using real metal uses 1/32" aluminum for the container.
> Hopefully you can see the problem.
>
> The Marshall and BOD have NOT banned the compressed gas cannon for
> experimentation (meaning we can demonstrate that they are safe, we could
get
> them in) so it might be worthwhile to try a few experiments.  I hope to do
a
> little testing next month.  I will let you know the results.
>
> 3. Where can I get plans for a siege engine?
>
> Plans should be in the SEH or at: http://www.schamp.net/andy/index2.htm
>
> 4. Can we use that expanding foam to fill up our golf tube bolts?
> No, or at least we recommend against it.  The foam is designed for
insulation
> and turns to dust under
> repeated impacts.  After a couple of shots, you have a golf tube filled
with
> sand that A can screw up the balance of the bolt and B could fly out of
the
> tube and get into someone eyes.
>
> 5. What legal ammo can I use?
> For rocks you may use single tennis balls, 4 tennis balls taped together,
and
> 1 pound foam stuffed rocks.  In some kingdoms, you may also use under
> inflated soccerballs.
>
> For Ballista Bolts, you can use either Golf Tube Arrows or PVC Javelins or
> PVC darts.  Specifics for construction can be found in the Engineer's
> Handbook and at tha following web sites
>
> For the PVC Javelin: http://www.threvworld.com/southkeep/javelin.html
>
> For the Golf Tube Bolt, Rocks and PVC Javlins:
> http://www.geocities.com/Athens/Parthenon/8130/siegeammo/index.html
>
> 6. Where can I find data on wood strength, Flexibility etc?
> In addition to the forestry service and several books in the library here
are
> two web sites you can look at.
> http://www.woodbin.com/ref/wood/strength_table.htm
>
> http://www.forestworld.com/wow/wow_signup_frame.html
>
> http://www.bobvila.com/lumber.html
>
> Get paid to surf at http://www.alladvantage.com/go.asp?refid=HOK790
>
> This list sponsored by House Wyvern Hall, BBM, East Kingdom, SCA
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>

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