VTOL Fuel (specifically such as the ferret

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shadowmantis
08/14/16 05:47 AM
75.139.70.107

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Hello all,
got a quick question here, i'm running a AToW campaign and have been trying to track down operational ranges of various VTOL's, the main one being the Ferret. though the marten and peregrine aswell. i have tried to dig through the books and other posts and the bit of information i am finding i can not figure out how to adapt to the VTOL's. the the techmanual rules for support VTOL's does not adapt properly since the ferret only has a 1 ton engine.

Any hard information would be great, in the mean time i'm just upscaling a bell oh-58 kiowa warrior Helo, its about the same "type" of helo in today's warfare as i see the ferret running, and the same size so i'm using it as a base (range 556km, so figuring better efficiency i upscaled the ferret to 700km range)

thanks in advance.
Kevin
CrayModerator
08/14/16 02:23 PM
72.189.109.30

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Tech Manual focuses on the fuel capacity and range of support vehicles, since combat vehicles (like the Ferret) have historically ignored fuel even when ICE-powered. But there is an optional rule in Strategic Operations that covers them. On p. 35, "Fuel Consumption (All Units):"

Quote:
Other Support Vehicles participating in a battle or search
and rescue operations (see Search and Rescue, p. 45) are
assumed to use fuel sufficient to travel 500 km. Those not involved
in combat during the current Maintenance/Repair Cycle
(see Time p. 166) will also consume fuel sufficient to travel 50
km. ...

Combat Vehicles that require fuel consume an amount
equal to 2 percent of their engine mass per scenario or search
and rescue operation (see Search and Rescue, p. 45), or 1
percent if not involved in combat during the current Maintenance/
Repair Cycle. Their fuel tank capacity is 10 percent of
the engine mass. Like Support Vehicles, Combat Vehicles will
not be available for duty if they run out of fuel. Motorized and
mechanized conventional infantry units burn up .25 tons of
fuel per Maintenance/Repair Cycle (see Time, p. 166)�which
must be replenished for the next battle or they are relegated
to operating as foot infantry.

Refueling requires 1 minute per 100 kg of fuel. It can be
performed by the personnel assigned to the unit and does
not require a Skill Check.



Working backwards, a Ferret's 1-ton engine includes 100kg of fuel, which is sufficient for 5 maintenance/repair cycles (~8 hours of campaign time per cycle), which allows 2500km operating range during that time. Hooray for future fuel efficiency.

ICE-powered combat vehicles will use petrochemical fuel, per p. 179 StratOps. Fuel cell vehicles, spacecraft, aerospace fighters, and fusion-powered conventional fighters use hydrogen which is much more expensive if you have to buy it, but can be conveniently generated from any water supply if you have a fusion engine around (again, per p. 179). Some support vehicles may run on alcohol or natural gas.
Mike Miller, Materials Engineer

Disclaimer: Anything stated in this post is unofficial and non-canon unless directly quoted from a published book. Random internet musings of a BattleTech writer are not canon.


Edited by Cray (08/14/16 02:26 PM)
shadowmantis
08/15/16 05:54 PM
75.139.70.107

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Thanks for the info Cray, these things have massive range then lol
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