FT-Tugs and swarm tactics

I was thinking about the masses and costs involved with tugs and no-ftl
ships, and this came to mind.(excuse the mixed tech of using C pulsars,
I
severly like the close range firepower they have).

Pahrana class LAC
Mass=20
Cost=73
Hull=2
Thrust=10
Firecon x1
PDS x1
SMR x1
C Pulsar (1arc) x1

Mother class FTL Tug
Mass=21
Cost=63
Hull=2
Thrust=1
FTL Drive=18

The above tug+4 LACs Vs FTL version of the above LAC

Shark class FTL LAC
Mass=24
Cost=85
Hull=2
Thrust=10
FTL drive
Firecon x1
PDS x1
SMR x1
C Pulsar (1arc) x1

If my maths above are correct (someone want to check?), a flight of 4
FTL
ships costs 340 pts and masses 96, Vs a cost of 355 and a mass of 101
for a
group of  4 LACs and a FTL tug. In and campain or stategic system, I
could
see the non-FTL version being better in the fact that you woul only have
to
replace the actual LACs (requiring a mass of 80 and a cost of 292), the
tug
staying very far away from the fight. In any economic system or campaign
requiring you to build the ships in the first place, this would be a
very
big advantage. As to the combat power of these ships, against anything
but
fighters, they will destroy any ship of equal mass or cost, with varing
suvival rates depending on how they are used. I was wondering if anybody
else has had a lot of experiance of using swarm type tactics using light
ships? Also, a question that arised from testing these small ships, was
that
when using Cl 1 bats as PDS, you require a F.con per Cl 1 batt, but can
the
firecon (NOT the Cl 1 batt) be used also in the ship weapon fire phase?
(just like firecons used with missiles/sml`s?).

BIF
"yorkshire born,yorkshire bred,
strong in arms, thick in head"

PS-In testing the above ships, the maneuverablity of the ships allows
you to
go from beyond the target ships weapon range to close range (within the
range of a C pulsar) in a single turn. Also, it doesn`t matter what the
other ship tries, these things have such a high thrust that avioding
SML`s
or catching a ship trying to run is  easy (to see what I mean, try 4 of
these against a CH, rough match in mass and cost, but if handled right,
these little buggers can fire their SMR`s, and break away using their
high
thrust and kill a CH before it can do anything. Also, missiles hit
before a
beam can fire, so it may be posible to kill a beam armed target before
they