[modeleng] Re: new website

I spent a good portion of yesterday afternoon looking
over Patricks new website.  He has done an excellent
job of it and writes in English better than I do!  It
is well worth your time to look it over, especially
the old photos of "how it was" when the machining
world was young!!

Al Messer, in cold, damp mid- Tenn.  Hey, youse blokes
would feel right at home!!


--- Jesse Livingston <fernj1@xxxxxxxxxxxxx> wrote:

> Tony,
> 
> Black powder comes in several granulations as you
> probably know.  The ffffg 
> being the finest , fastest burning and is intended
> for pistols.  Muskets 
> used ffg as a rule and generate a slower combustion
> so that should work just 
> fine.  I still would fire the thing with a heavier
> ball and charge 
> accompanied by a looooong fuse the first time.  I
> would light the fuse and 
> go around behind the barn to admire the rutabaga
> blossoms until it fired the 
> first time.  It sounds like it will hold, but with
> cast iron, one is never 
> sure.
> 
> My 1860 Ordnance manual (US) says that the large
> cast iron Columbiad 
> seacoast cannons would burst, but no one could
> predict when it would happen. 
> Sometimes they burst on the third shot, but the
> author knew of one that had 
> fired over 1,300 times and was still in one piece. 
> I would imagine that 
> artillerymen kept a tight you know what every time
> they fired one of the 
> things, because it WAS going to burst sooner or
> later.  He went on to show 
> via some drawings exactly why it would burst and
> showed a design that was 
> supposed to be as perfect as possible against
> bursting.  The barrel had to 
> be perfectly rounded with no ornamental rings cast
> on it nor should it have 
> a cascable or its trunnions cast as part of the
> barrel.  Trunnions were to 
> be made of bronze and fitted to the barrel with a
> sort of bridle like 
> affair.  Guns made to this pattern proved to be
> pretty near burst proof, 
> even more so than the Brooke style with shrunk on
> wrought iron bands like 
> the "Long Cecil" breech loader of  Boer War fame.
> 
> Jesse, the former CSA Artilleryman and waver of
> Confederate flags when 
> possible.
> I have a Southbend Colonial field cannon at 1:10
> scale, in cast iron with a
>  stainless steel liner, and it weighs a lot less
> than 17lbs! It still have a
>  .600" bore though, so that I find 20-guage shotgun
> solid ball and wads
>  "would be" ideal ..... but I didn't say that! <VBG>
> 70 grains of black
>  powder goes well in a .577" Enfield musket, and so
> should be about right 
> for
>  this cannon of mine.  Weight for weight, for
> similar recoil, a charge of
>  120 - 140 grains would be about right for a 17lb
> barrel, so about an inch
>  bore perhaps?
> 
>  I would stay away from shotgun cartridges though,
> as they have different
>  impulse / pressure curves due to their nitrocelluse
> based smokeless 
> powders,
>  unless you use a steel liner, which then becomes
> the barrel and chamber 
> with
>  the brass tubing just there for show ....
> 
>  Tony.
> 
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