Shooting Pykrete

[usnut14]

who knew about pykrete from mythbusters?

[51516]

The Ozzard of Whizz!

[horsegirl48484848]

The pykerete should be 84% water 16%pulp not 10%

[AzyrenIshida]

Russia would love some for their troops.

[ManintheArmor]

Part 1

Did a few experiments with this pykrete stuff. Of course, rather than using wood pulp I used paper towels, as well as empty containers.

With the paper towels, the ice was internally reinforced. This greatly increased the strength of the ice, as well as giving it greater insulation. The sample displayed great resistance to hammer impact.

With the empty containers, the ice was externally reinforced. This ensured the ice didn't scatter too far when damaged. (Continue to part 2)

[ManintheArmor]

Part 2

Although the externally reinforced ice lacked the strength and insulation of the internally reinforced ice, it was easy to make. The container could also be filled with ice cubes before water was added, boosting the speed at which the water froze in the freezer.

Both samples were shot at with a BB gun. Compared to the 2mm steel or PAGST helmet samples, the ice received slightly greater penetration (only a few mm's deep). (Continue to part 3)

[ManintheArmor]

Part 3

However, volume-wise, the frozen samples where much lighter than other materials of equivalent thickness. Weight-wise, the frozen samples were far thicker.

Note though, the weight did vary depending on the material used to reinforce the pykrete. Penetration depth also varied.

Also note, easy to repair when placed back in freezer.

Conclusion: You'll need at least an inch for some protection. 10 minutes of no cooling will render the armor useless. Best used in cold climates.

[2pacsrevenge]

It's useless. Granted it's very hard, and although brittle, may substitute certain ceramic materials where they may be disposable, as a die for instance...but it would probably be rubbish under stretching or shear stress, cracking in an instant due to imperfections. Normally what you'd do is line concrete with a steel skeleton to deal with stretch and shear stress, but if you were to do that with pykrete..it would MELT due to thermal conductivity of steel, an interesting yet useless material.

[detour4]

i heard 14% wood pulp or saw dust and 86% water works the best

[xChromed]

@detour4 thats the right mix yea

[killallianceftw]

America wanted to make a supercarrier out of this shit in WW2 but the boat wasnt finished before WW2 ended

[dlneudecker]

@killallianceftw WRONG, the english wanted to do it, but they found that the amount of energy and materials needed to make a refrigeration unit large enough to make the pykrete would have cost as much and used as much material as an aircraft carrier.

[killallianceftw]

@dlneudecker Thats at least what I watched on History channels weird weapons, I have since learned that it was the English. Thanks for that anyways.

[moomind1]

the U.S milatary built a small boat from pyktete and it worked beautifuly but the built it in alaska sooo yea...

[GuyPyro87]

Close, but no cigar. For starters, nothing was ever built in alaska. There were two 'test builds' of this idea, and both were done in Alberta. One in Patricia Lake, Jasper (testing construction and thermal issues). and the other at Chateau Lake Louise, near Banff (damage testing). Problem #2, neither project succeeded.. The best they ever got was a floating structure with a wood frame construction with 3 inch x 6 inch studs and 3 inch x 8 inch floor joists, filled with ice cut from the lake.

[motamp]

Double trigger shotgun . . .

[KRKahn87]

It has two triggers genius.

[ManintheArmor]

Could this stuff be used as a kind of personal body armor, aside from the fact it melts?

[DeadiestCatch]

You'd be better using Psuedo-pycrete from MythBusters. It's made of newspaper instead of wood-pulp. It's so much more durable and strong.

[ductonius]

@DeadiestCatch

You're right about the Mythbuster's newspaper and water pycrete because it is much *closer* to actual pycrete than what's in this video.

Pycrete is not sawdust and water (this video), not big, chunky wood chips and water (the first Mythbuster's batch), but wood PULP and water. Wood pulp is wood-cellulose. It has none of the oils, waxes, resins and other chemicals that raw wood has.

Mythbuster's second batch with newspaper is wood pulp and water with only a tiny bit of ink.

[yahoorif]

for a short time, yes. but for long time , it will melt and become useless

[cocobirdcoco]

it can be used as armour.

p.s its doesnt melt for like 3 months apprently

[Intranetusa]

@ManintheArmor

Too bulky and heavy

[borri317]

pykrete would thaw at least here at polar circle

[SG1Oniell]

the actually formula(original) was 45% wood pulp, and 55% water.

[doobedoo22]

I've usually found Pykrete described as 14% pulp, 86% water, by weight.

[livedive]

He used geoffrey pyke's recipe.

[Gammaclipper]

Pyke didn't come up with the super-ice, a team of American scientsist did and then named it after Pyke because they thought it would be perfect for his super-carrier. A mini-ice boat was made in Canada during the war but it was so expensive compared to regular ships that the project was abandoned.

[THELENNYNATOR]

He use too much wood pulp

i shot at it with a 12 gauge and it didnt do nearly as much damage.

[Laosana101]

the most acceptable amount is 14% saw dust (Wood pulp is not as good, but easier to obtain) and 86% Distilled water. The purer the water, the better

[the16thloser]

the ships could be used any where

[pi0101]

It was an idea for a giant aircraft carrier to be based in the colder N. Atlantic, its aircraft would have covered the shipping lanes.

[Polenar]

How would be that possible?

[KodierungHerz]

with money

[EdsEnemy]

And coolant.

Lots of coolant.

[M1nKylol]

Not really, the prototype ship which was 1000 tons lasted 3 years.

[doobedoo22]

When it was in use, the Habbakuk prototype was kept cool by a refridgeration plant with a 1 horsepower motor... hardly an excessive cooling requirement.