11-17-2018, 03:28 AM | #1 |
Join Date: Mar 2013
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[Spaceships] Troop Transports
I'm putting together some notes for a possible campaign at this point and something I need to pin down is rough sizes and capacities for shipping, and while doing this for civilian shipping is like trying to herd cats there are two military designs that I want and I figure that I can simply use them as largest in class for civilian models.
The first is a regimental sized fast reaction transport, it can shuttle between any two of the three planets in the campaign in no more then 36 days. The question is given that any troops it drops off will potentially have to wait how much cargo should it be able to carry? (I figure roughly 1,00 troops) Troops will NOT have to contend with hostile environments and general TL is 5 to 5+2. The other is the SSTO transport used to move the troops around. Target capacity of roughly 100 men, but how much cargo is need? Both per man and for the company as a whole? Please note that is universe these are first of their kind and flawed values are unlikely to be spotted. |
11-17-2018, 04:19 AM | #2 |
Join Date: Mar 2008
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Re: [Spaceships] Troop Transports
Here is a WW II marine division manual for TOE and just what it takes to carry all the equipment.
http://www.ibiblio.org/hyperwar/USMC...hibious-1.html Page 73 has totals for shipping. So just under 18K troops and they need 17K tons and 2 million cubic feet for cargo. So 1K troops would be 1,000 tons and 110,000 cubic feet. Forward Echelon Rear Echelon Weight(tons) Cube(ft) Weight(tons) Cube(ft) TOTALS 10505.8 985,803 7134.7 1,023,391 Com. Enl. Cube Weight (long tons) Ship Tons BLT 65 1350 50,742 625.8 1256.5 BLT = Battalion Landing Team Last edited by dcarson; 11-17-2018 at 04:25 AM. |
11-17-2018, 06:20 AM | #3 |
Join Date: Sep 2007
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Re: [Spaceships] Troop Transports
Coming at it from the other direction:
UH-60 Blackhawk 11 troops (geared for assault), 14 normally equipped, 20 if you're just stuffing people inside. 11.2 + 0.5 cubic meters = 413 cubic feet 2600 lbs cargo (internal), 8000 lb external cargo hook (design use cases included one 105 mm howitzer and 30 rounds, or 6300 lbs) CH-47 Chinook 33 troops (geared) 42 cubic meters = 1483 cubic feet 26,000 lbs cargo So the 100-man transport should have a main cabin that's something like 120 cubic meters and at least a 25,000-lb / 12 ton payload, probably higher if it's a multi-purpose cargo mover as well. |
11-17-2018, 06:25 AM | #4 |
Join Date: Jun 2006
Location: On the road again...
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Re: [Spaceships] Troop Transports
A few space opera designs I came up with. Of note to the OP are the STL-33 Personnel Shuttle, ATR-4 Assault Shuttle, DR-9 Dropship, and Einherjar-class Marine Transport.
Note that they all use reactionless drives and force screens, being intended for a space opera setting.
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11-17-2018, 05:24 PM | #5 |
Join Date: Mar 2013
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Re: [Spaceships] Troop Transports
OK, I now know that the planet with the highest orbital velocity requires 4.18 mps to make orbit, so this is a bit tricky. Giving the SSTO design SABRE style rocket engines gives me a cheat of 1.19 mps so to get the remaining 3 mps I'll need 13 fuel tanks. After those, a single engine system, an armor system and control room I only have 4 systems remaining.
So at SM +7 my design can haul 60 troopers and 15 tons of cargo to and from orbit, looks like each company will need two shuttle loads to get up or down. Each 15 tons like a lot in the way of supplies for 60 men. |
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