FFS Fusion Gun Kurt Feltenberger (26 Jun 2015 01:12 UTC)
Re: [TML] FFS Fusion Gun Richard Aiken (27 Jun 2015 16:14 UTC)
Re: [TML] FFS Fusion Gun Kurt Feltenberger (27 Jun 2015 23:20 UTC)
Re: [TML] FFS Fusion Gun Grimmund (28 Jun 2015 03:08 UTC)
Re: [TML] FFS Fusion Gun Richard Aiken (28 Jun 2015 07:32 UTC)
Re: [TML] FFS Fusion Gun Knapp (28 Jun 2015 08:35 UTC)
Re: [TML] FFS Fusion Gun Grimmund (28 Jun 2015 12:14 UTC)
Re: [TML] FFS Fusion Gun Richard Aiken (29 Jun 2015 06:39 UTC)
Re: [TML] FFS Fusion Gun Grimmund (29 Jun 2015 11:24 UTC)
Re: [TML] FFS Fusion Gun Ethan McKinney (29 Jun 2015 13:43 UTC)
Re: [TML] FFS Fusion Gun Grimmund (29 Jun 2015 14:50 UTC)
Re: [TML] FFS Fusion Gun Phil Pugliese (29 Jun 2015 15:20 UTC)
Re: [TML] FFS Fusion Gun Greg Nokes (29 Jun 2015 17:47 UTC)
Re: [TML] FFS Fusion Gun Craig Berry (29 Jun 2015 17:55 UTC)
RE: [TML] FFS Fusion Gun Anthony Jackson (29 Jun 2015 18:17 UTC)
Re: [TML] FFS Fusion Gun Craig Berry (29 Jun 2015 18:27 UTC)
RE: [TML] FFS Fusion Gun Phil Pugliese (29 Jun 2015 21:03 UTC)
Re: [TML] FFS Fusion Gun shadow@xxxxxx (30 Jun 2015 03:38 UTC)
Re: [TML] FFS Fusion Gun Tim (30 Jun 2015 06:31 UTC)
RE: [TML] FFS Fusion Gun Anthony Jackson (30 Jun 2015 16:21 UTC)
Re: [TML] FFS Fusion Gun Tim (01 Jul 2015 01:32 UTC)
RE: [TML] FFS Fusion Gun Anthony Jackson (01 Jul 2015 16:49 UTC)
Re: [TML] FFS Fusion Gun Tim (01 Jul 2015 22:40 UTC)
Re: [TML] FFS Fusion Gun Grimmund (29 Jun 2015 18:45 UTC)
Re: [TML] FFS Fusion Gun Craig Berry (29 Jun 2015 19:02 UTC)
Re: [TML] FFS Fusion Gun Grimmund (29 Jun 2015 19:07 UTC)
Re: [TML] FFS Fusion Gun shadow@xxxxxx (30 Jun 2015 03:38 UTC)
Re: [TML] FFS Fusion Gun Kurt Feltenberger (30 Jun 2015 03:44 UTC)
Re: [TML] FFS Fusion Gun Craig Berry (30 Jun 2015 03:54 UTC)
Re: [TML] FFS Fusion Gun Kelly St. Clair (30 Jun 2015 04:03 UTC)
Re: [TML] FFS Fusion Gun Kurt Feltenberger (30 Jun 2015 04:13 UTC)
Re: [TML] FFS Fusion Gun Tim (30 Jun 2015 09:32 UTC)
(missing)
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Re: [TML] FFS Fusion Gun Richard Aiken (01 Jul 2015 05:46 UTC)
Re: [TML] FFS Fusion Gun Greg Chalik (01 Jul 2015 22:14 UTC)
Re: [TML] FFS Fusion Gun Kurt Feltenberger (02 Jul 2015 01:10 UTC)
Re: [TML] FFS Fusion Gun Phil Pugliese (02 Jul 2015 02:15 UTC)
Re: [TML] FFS Fusion Gun Kurt Feltenberger (02 Jul 2015 02:52 UTC)
Re: [TML] FFS Fusion Gun Richard Aiken (02 Jul 2015 06:45 UTC)
Re: [TML] FFS Fusion Gun Kurt Feltenberger (02 Jul 2015 19:45 UTC)
Re: [TML] FFS Fusion Gun Richard Aiken (03 Jul 2015 04:57 UTC)
Re: [TML] FFS Fusion Gun Kurt Feltenberger (03 Jul 2015 17:30 UTC)
Re: [TML] FFS Fusion Gun Richard Aiken (02 Jul 2015 06:59 UTC)
Re: [TML] FFS Fusion Gun Grimmund (02 Jul 2015 12:56 UTC)
Re: [TML] FFS Fusion Gun Kurt Feltenberger (02 Jul 2015 19:42 UTC)
Re: [TML] FFS Fusion Gun Grimmund (02 Jul 2015 21:04 UTC)
Re: [TML] FFS Fusion Gun Kurt Feltenberger (02 Jul 2015 21:51 UTC)
Re: [TML] FFS Fusion Gun Richard Aiken (03 Jul 2015 05:06 UTC)
Re: [TML] FFS Fusion Gun Ethan McKinney (03 Jul 2015 17:28 UTC)
Re: [TML] FFS Fusion Gun Kurt Feltenberger (03 Jul 2015 17:41 UTC)
Re: [TML] FFS Fusion Gun Phil Pugliese (02 Jul 2015 14:05 UTC)
Re: [TML] FFS Fusion Gun Joseph Paul (02 Jul 2015 16:55 UTC)
Re: [TML] FFS Fusion Gun Craig Berry (30 Jun 2015 16:29 UTC)
Re: [TML] FFS Fusion Gun Ethan McKinney (29 Jun 2015 21:40 UTC)
Re: [TML] FFS Fusion Gun Craig Berry (29 Jun 2015 21:57 UTC)
Re: [TML] FFS Fusion Gun Ethan McKinney (29 Jun 2015 23:14 UTC)
Re: [TML] FFS Fusion Gun Craig Berry (29 Jun 2015 23:23 UTC)
RE: [TML] FFS Fusion Gun Anthony Jackson (29 Jun 2015 23:39 UTC)
Re: [TML] FFS Fusion Gun Craig Berry (30 Jun 2015 00:01 UTC)
RE: [TML] FFS Fusion Gun Anthony Jackson (30 Jun 2015 00:27 UTC)
RE: [TML] FFS Fusion Gun Craig Berry (30 Jun 2015 01:47 UTC)
Re: [TML] FFS Fusion Gun Greg Nokes (29 Jun 2015 23:24 UTC)
Re: [TML] FFS Fusion Gun Tim (30 Jun 2015 07:02 UTC)
Re: [TML] FFS Fusion Gun Kelly St. Clair (30 Jun 2015 08:44 UTC)
Re: [TML] FFS Fusion Gun Ethan McKinney (29 Jun 2015 21:30 UTC)
Re: [TML] FFS Fusion Gun Kurt Feltenberger (29 Jun 2015 22:45 UTC)
Re: [TML] FFS Fusion Gun Tim (30 Jun 2015 06:19 UTC)
Re: [TML] FFS Fusion Gun Tim (30 Jun 2015 06:11 UTC)
Re: [TML] FFS Fusion Gun Ethan McKinney (29 Jun 2015 13:41 UTC)
Re: [TML] FFS Fusion Gun Brad Rogers (29 Jun 2015 15:21 UTC)
Re: [TML] FFS Fusion Gun Ethan McKinney (29 Jun 2015 21:31 UTC)
Re: [TML] FFS Fusion Gun Brad Rogers (30 Jun 2015 06:19 UTC)
Re: [TML] FFS Fusion Gun Jeffrey Schwartz (29 Jun 2015 14:43 UTC)

Re: [TML] FFS Fusion Gun Grimmund 29 Jun 2015 11:24 UTC

On Mon, Jun 29, 2015 at 1:39 AM, Richard Aiken <xxxxxx@gmail.com> wrote:

> I'm frankly not sure how a sabot dropping away duplicates the effects of
> squeezing the caliber of the fired round down by ~30%.

I'm reasonably certain it doesn't.   The point of the sabot was to be
able to fire a small-bore projectile from a large-bore cannon, getting
higher velocity from the same powder charge, and better flight
characteristics due to the lower diameter and cross section.

The first you still get.  The second is not relevant in near vacuum.

>the
> sabot falls away just outside the muzzle.

Wind drag strips it off.  In space, you could just glue it on.  If you
can build gyros and sensors sturdy enough to withstand the launch, you
could use the space in the sabot for guidance.

>
> The squeezed/tapered bore effect would seem to be potentially much the more
> efficient of the two methods, since you've got the full length of the barrel
> to use for the purpose of increasing the effective gas pressure. However,
> APDS won out in practical RL use because it allowed you to use existing
> cannon (and existing much simpler cannon-boring technology) without
> modification.

Not to mention you can use a rifled bore to fire everything else in
the inventory, and a cone bore has to be a huge PITA to bore.

--

"Any sufficiently advanced parody is indistinguishable from a genuine
kook." -Alan Morgan