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The
Gun Carrier was suggested as a companion machine to the Mark I Tank, to carry
forward medium artillery and ammunition over shell-torn ground covered with old
and new trench systems. It was apparent by mid-1916 that offensives on both
sides soon lost
their drive through the difficulty of bringing up artillery to maintain support.
The Gun Carrier, Mark I, as it became designated, used
the main mechanical components of Mk I Tank, including the steering tail
wheels (which were later discarded). The purpose for which the Gun Carrier was
designed, however, necessitated a changed arrangement and resulted in an
entirely different appearance from the tank.
The layout comprised an open space
at the front in to which the artillery piece (usually a 60-pdr. gun or a 6inch
howitzer) could be winched up a ramp, and behind this space an armoured box
which contained a crew compartment and the engine and transmission. Overall tracks, as in the
heavy tanks, were not provided for in the Gun Carrier and the fact that the
tracks went through tunnels under the front crew cabs and the rear compartment
led to difficulties with mud collecting at these points.
Forty-eight Gun Carriers were built (two similar machines
were completed as Salvage Tanks), the majority of them by Kitson & Co at
Leeds, by July 1917. In France, they were used far less for carrying artillery
than ammunition. The vehicle was designed so that the 60-pdr. gun or the 6-inch
howitzer could be fired from it, although from a practical point of view only
the 6-inch howitzer could be used in this way.
These weapons were employed in
this fashion at night on a few occasions and achieved some tactical success, but
the Gun Carrier companies were eventually converted into supply companies and
carried other supplies as well as ammunition. When transporting a medium gun
or howitzer, sixty-four rounds of ammunition could be carried or, without the
weapon 130 rounds, or approximately seven tons of supplies. It was estimated
that six Gun Carriers with their combined crews of twenty-four men could carry a
load which would otherwise require no less than 1745 men - the only practicable alternative
form of cross-country transport.
For more info on the real SP Gun, click here!
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Click on the thumbnail to see
the big pictures!

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The kit comes packed in a small card-board box, and is made in resin.
It is moulded in a semi-hard grey-green resin taht is easy to work
with. The moulding is
first rate, with only minimal amounts of flash, and only tiny
moulding plugs, making most of the parts very easy to detach and
clean. The kit contains some 90+ parts, and is, as you understand
from this and from the pics to the left, quite ambitious. (Some 15
of these can be classified as miniature cargo, including two very
well-made stacks of shells.) Some of the small details, especially
on the sides of the vehicle, are very fragile, and some were
obviously broken during transit, other I broke myself - ooops - so
care should be taken: this IS a very detailed kit. the kit comes
with a History - in French - and a four-way plan of the historical
vehicle, which can seem a bit basic, but I understand that a more
detailed plan is coming soon.
Notice that the kits does NOT come
with any artillery piece, so if you want to build it straight from
the box, you are stuck with doing the Supply Carrier version.
However, Retrokit do sell a very nice 60-pdr gun that can be used
together with the kit. (The gun will reviewed here shortly.) Several
makers also make the 6-inch howitzer that was also used with this
vehicle, namely
Matador
and Trux. The 60-pdr can also be had from
Matador and
Trux.
All hatches can be glued in a open
position, and even the hatches on some hatches as well. Nice touch.
It comes with a basic but quite sufficient interior: seats and
steering gear for the two Drivers Cabs, and a Motor with
Differential Gear and transmission for the big box-like compartment
on the back. Purists will most likely want to add to this.
(The problem is only, that as I know of no more detailed plan of the
interior, this will be guesstimates, and then what is the point?)
The kit goes together well, with a
couple small problems, though. Firstly, there will be a big "step"
once the big tray-like bottom part is glued to the tracks. However,
once the loading sled is in place, this will not be noticed in any
big way. Secondly, as it is now, the two Drivers Cabs will ride
directly on the tracks, which look a bit weird. I for one raised
them up just a tiny bit using plastic strips on both sides. Thirdly,
there will ba another gap between the Armoured Superstructure "box"
on the rear and the interior, and you will have to blank it off in
some way. You
can find a more detailed walk-through of the building of this kit
by clicking here!
You can buy this kit from
7th Company in Portugal
or at
Retrokit's own
webpage.
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