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Old 06-04-2018, 09:54 PM
Joseph Benedetto Jr Joseph Benedetto Jr is offline
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Default MP Ration Pack weight?

The Ration Pack in the previous 3 editions of the Gamebook weighs 17 kg, while in the new 4th edition the same item (with the exact same items listed in it!) now weighs 35kg.

Do you suppose this is right? Did the weight double as a result of some unspoken "correction" to the listing shown in the previous editions of the Gamebook? The current 77 lb weight of the Ration Pack as it now stands seems excessive to me, considering it used to be half that weight....
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Old 06-05-2018, 01:38 AM
Gelrir Gelrir is offline
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17 kg for 30 person-days comes to 0.57 kg per day per person. Not gonna worry about the weight of a folding aluminum pot and some fuel tablets for the moment.
35 kg for 30 person-days (I presume that's still how many days the 4th Edition gives) is 1.17 kg per day per person.
  • Freeze-dried LRP rations of the 1960s-1980s era weigh an average of 0.35 kg each, and are each 1100 to 1500 food calories; you were expected to eat two a day (thus 0.7 kg per day).
  • Modern (after the 1990s anyway) dehydrated LRP rations are each a complete day's meal, but weigh about 0.5 kg each.
http://asmrb.pbworks.com/w/page/5275...ear#RationPack
  • If you go to MREs, which aren't dehydrated, each meal weighs .51 to .74 kg, and you should eat two a day: about 1 to 1.5 kg per day. An average of 1.17 could be easily correct.
It sounds like they weighed a few MREs and are using that value for the 4th Edition (without changing the text to, ahem, hydrate the food); or, it could be modern LRP rations, plus that canned fruit juice ... or, something else.
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Old 06-05-2018, 08:17 PM
Joseph Benedetto Jr Joseph Benedetto Jr is offline
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"This is simply a backpack of dehydrated food, canned juices, and vitamins..."

If you work with two MREs per day, and it is "60 PERSON-DAYS" worth of food, that means this backpack contains 120 MREs, right?

Man, that must be *some* big backpack--!
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Old 06-06-2018, 12:51 PM
mmartin798 mmartin798 is offline
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It actually sounds like the are using MCW/LRP. The backpack would have to be in the 4.25 cu ft range to hold the 60 person day rations.


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I found a PDF of study from the development of MCW, then know as RCW, and LRP, then known as RLW that is dated 1988. The RCW for 60 man days works out to 51.8Kg and 72.8l of volume. The RLW can in just a little heavier at 54.5Kg, but the same 72.8l. RLW are issued at a rate of 2 per day providing 4000 cal of energy. If you reduce it to one per day giving 2000 cal per day, you get close to the game numbers with 27.3Kg and 36.4l. When these rations got updated and called MCW/LRP, we might get into the range the rules show for weight if there was a modest increase. The molle large rucksack has a volume of 4000 cu in or 65.5l. So backpack is not that large either. MREs are just huge and heavy compared to the dehydrated MCW/LRP pouches. Also since the ration pack in the rules states the rations are dehydrated, they cannot be MREs.

Last edited by mmartin798; 06-06-2018 at 05:34 PM.
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Old 06-07-2018, 01:55 PM
.45cultist .45cultist is offline
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Quote:
Originally Posted by mmartin798 View Post
It actually sounds like the are using MCW/LRP. The backpack would have to be in the 4.25 cu ft range to hold the 60 person day rations.


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I found a PDF of study from the development of MCW, then know as RCW, and LRP, then known as RLW that is dated 1988. The RCW for 60 man days works out to 51.8Kg and 72.8l of volume. The RLW can in just a little heavier at 54.5Kg, but the same 72.8l. RLW are issued at a rate of 2 per day providing 4000 cal of energy. If you reduce it to one per day giving 2000 cal per day, you get close to the game numbers with 27.3Kg and 36.4l. When these rations got updated and called MCW/LRP, we might get into the range the rules show for weight if there was a modest increase. The molle large rucksack has a volume of 4000 cu in or 65.5l. So backpack is not that large either. MREs are just huge and heavy compared to the dehydrated MCW/LRP pouches. Also since the ration pack in the rules states the rations are dehydrated, they cannot be MREs.
LRRP/Cold Weather are dehydrated hiking entrée in an MRE form. I would replace canned juices with "Capri Sun" style pouches by now.
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Old 06-12-2018, 02:31 PM
Joseph Benedetto Jr Joseph Benedetto Jr is offline
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Quote:
Originally Posted by mmartin798 View Post
--cut--
If you reduce it to one per day giving 2000 cal per day, you get close to the game numbers with 27.3Kg and 36.4l.
Yes, but page 109 of the 4th edition gamebook states "The ration pack described in the equipment section assumes that 1 person day of food is equal to 3600 kilocalories because it was designed for soldiers in the battlefield."

*Sigh* I have to wonder where the numbers came from.
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