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Hauler-class Light Freighter

Hauler-class Light Freighter

The Hauler is an unusual design, based on a mass-produced non-starship hull with a jump drive and fuel tanks grafted on after construction. The resulting ship is not particularly elegant but it is generally available very cheaply.

LCH Origins:
The Hauler started out as a non-starship LCH (Landing Craft, Heavy) for Imperial army force. Caught by surprise at the outbreak of the Third Frontier War, Imperial Forces lacked sufficient landing craft to support the anticipated assault operations and a crash construction program was begun.

The LCH was one of several designs rushed to production. The Army requirement called for a landing craft to carry one Army lift infantry or tank platoon in the follow-on echelons of an attack. Alternatively, 14 standard 4-ton cargo containers would be carried for resupply missions. There was no provision for long-term habitation; both crew and passengers would live aboard a larger ship until the assault was launched.

To simplify transportation, the lander was designed to fit the same attachment points used by several large freight companies to carry 100-ton standard cargo pods. Alternatively, nine LCHs could be carried in a 1,000-ton small craft rack mounted on naval auxiliaries. (See Deck Cargo at Freelance Traveller )

The hull was designed for simple fabrication, built around a boxlike center cargo bay with sloped front and flat rear hatches. Because the LCH was intended for external carriage on other jump ships, a jump grid was built into the hull from the outset. (This would prove important later.) The bridge is installed in a boxy “tower” above the cargo bay, with the maneuver drives and associated power plant in pods at the rear of the ship on either side. The flight controls and related components salvaged from old IISS Scout ships, another cost saving measure.

Despite the lander’s awkward appearance, it is actually reasonably nimble in flight, with excess power giving it good agility. However, it lacks atmospheric speed, meaning that it could not deviate far from its initial aim point during a landing. As it was intended mainly to reinforce landings initiated by Marine or Army drop troops, this was deemed an acceptable limitation.

The craft’s sole turret is sited at the forward end of the hull top, where it can fire over the open cargo ramp at the bow. Typical armament is a mix of two sandcasters and one pulse laser for self-defense and suppressive fire. With the laser firing, the craft’s agility falls somewhat as power must be diverted from the thrusters.

Detailed Description (T20 Design)
HULL
100 tons standard, 1,400 cubic meters, Close Structure Configuration (Fully Streamlined), 100 Structure Points
CREW
Pilot, Gunner
ENGINEERING
Jump-0, 3G Maneuver, Power plant-6, 6 EP, Agility 3 (2 w/laser firing)
AVIONICS
Bridge, Model/1bis Computer, Model/2 Flight Avionics, Model/1 Sensors, Model/1 Communications
HARDPOINTS
1 Hardpoints
ARMAMENT
1 Triple Mixed Turrets with:
1 Pulse Laser (1x Factor-2)
DEFENCES
2 Sandcaster in each Mixed Turret
Organized into 2 Batteries (Factor-3)
CRAFT
None
FUEL
1.5 Tons Fuel (0 parsecs jump and 7 days endurance)
MISCELLANEOUS
59.0 Tons Cargo
COST
MCr 46.0 Singly (plus Architects fees of MCr 0.69, rush job)
MCr 36.8 in Quantity
CONSTRUCTION TIME
9 Months

Note: In practice, these were built much faster using wartime schedules. Cost was much higher as a result.

(Format cribbed from HGS output, but this design was not produced using that software. Any errors are mine.)
 
Hauler-class Light Freighter
By the middle of the war, it was evident that the demand for landing craft would not be as high as expected, and could better be left to more sophisticated designs then coming into service. However, there was a need for more small cargo ships to provide logistics support in rear areas. Subsidized merchants were useful, but there were not enough available and too few of those had Jump-2 range. Rather than develop a new design from scratch, it was decided to modify the Army's now-redundant LCHs.

The resulting “jump lighter” design is very basic. A new "plug" section was added to the rear of the hull, housing a J-2 jump drive and crew quarters (four staterooms) as well as a small supplemental cargo bay for loose cargo. Fuel for both the jump drive and power plant was added in two semi-circular tanks faired to the sides of the cargo bay. These have scoops but no purification plant.

The new ship is capable of Jump 2 and 2-G with the existing maneuver drive. However, the drive must operate at slightly higher than its original rated power to produce full thrust (it now draws 3.2 EP vice 3 EP originally) and is prone to overheating as a result. The Hauler also has less margin for maneuvering power (maximum Agility 1) unless the power plant can be pushed beyond its normal limits (to provide 0.2 additional EPs, allowing Agility 2. This requires a T/Engineeering check at DC 15.)

Detailed Description (T20 Design)
HULL
160 tons standard, 2,240 cubic meters, Close Structure Configuration (Fully Streamlined), 100 Structure Points
CREW
Pilot, Gunner, Engineer
ENGINEERING
Jump-2, 2G Maneuver, Power plant-3.75, 6 EP, Agility 1 (2 Emergency)
AVIONICS
Bridge, Model/1bis Computer, Model/2 Flight Avionics, Model/1 Sensors, Model/1 Communications
HARDPOINTS
1 Hardpoints
ARMAMENT
Unarmed (reservation for one turret)
DEFENCES
None
CRAFT
None
FUEL
38 Tons Fuel (2 parsecs jump and 28 days endurance)
On Board Fuel Scoops, No Fuel Purification Plant
MISCELLANEOUS
59.0 Tons Cargo, 2.7 Tons Secondary Cargo
COST
MCr 70.6 Singly (plus Architects fees of MCr 1.06, rush job)
MCr 56.48 in Quantity
CONSTRUCTION TIME
9 Months

Note: In peacetime it would have taken about 6 months to fabricate the add-on module and two months to link the two sections together. In wartime, the schedules were much faster, and the cost correspondingly higher.
 
Originally posted by Tom Schoene:

(Format cribbed from HGS output, but this design was not produced using that software. Any errors are mine.)
Don't worry, it seems HGS has errors all of its own
 
I really like your design Tom. Gee great minds (or is that filthy minds?) do think alike! ;) I figured the Hind XIII/Starlifter design was a peace time design IMTU, so it had time to put in luxuries like quarters for the Marines and a longer fuel endurance (14 days)
Kudos to you! And stars for you!
 
Glad y'all liked it.


It's very much like the WWII LCUs, some of which made it into commercial short-haul cargo service after the war.

Next up is an adaptation of my favorite wartime landing craft, the LSI(L).
 
this reminds me that I need to convert the one I did. The in-system version is found in the Starships section Here labeled the "Self-Mobile Cargo Pod."
 
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