- Feb 15, 2012
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Hagrid’s Magical Creatures Motorbike Adventure Construction Discussion
- Thread starter Brian G.
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:thumbsup:So happy for these photos & film. I was really getting bored with the 'Great T'Shirt Debate'.
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I like how you can already see them painting the sound barrier wall green on the top-right corner of that first picture :thumbsup:
EDIT: Also note how the unicorn is no longer covered by tarps!
Also, first live look at Skrewt AA:
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I like how you can already see them painting the sound barrier wall green on the top-right corner of that first picture :thumbsup:
EDIT: Also note how the unicorn is no longer covered by tarps!
Also, first live look at Skrewt AA:
Mannnn this thing!! I think were still gonna be surprised how enclosed this thing is gonna feel when you’re on it.
These birds eye pics are definitely not doing it justice and the fears of not feeling like you’re in or on the edge of a forest are gonna wash away.
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We’re gonna play it safe with that Skrewt pic and remove it...
but that's not a bad thing. It will give people a good panorama of the ride and pique their interest.
That looks like they are spraying liquid nitrogen by the speed at which it falls and dissipates.
Would there be any worry of oxygen deficiency in the hut if that thing is pumping LN2 every 30 seconds?
I would doubt it with two giant holes to the outside circulating air... but I am thinking that it may be running constantly and not off and on.
Teebs. Great new signature :thumbsup:....Well, back to the NFL Draft.
Nice pick of Devin Bush. I'm aggravated about us not getting Haskins but understand the need for a new left tackle.
If that was an issue then I'm sure more people would've been in trouble with the T2 finale...
I also don't think that we'll be in there long enough and, as Teebin stated, it has some large vent holes via the doors.
- Feb 15, 2012
- 17,522
- 48,483
Probably not a big deal like you guys are saying, but it really truly is a concern when LN2 is being used. I've walked though those clouds before and had my O2 alarm go off.
Here is a sample formula, and there are others that incorporate air exchanges per hour to figure out O2 depletion over time.
Where, for nitrogen:
Vo = 0.2095 (Vr - Vg)
Vr = room volume (m3)
Vg = maximum gas release, which is the liquid volume capacity of the
vessel V x gas expansion factor
EXAMPLE:
A pressurized liquid nitrogen vessel of 100 litre capacity located in a room 2.8 m x 5.0m x 10.0 m loses vacuum suddenly and vents its contents to atmosphere in a very short space of time:
Vr = 2.8 x 5.0 x 10.0 = 140 m3
Vg = 100 x 683 = 68300 litres = 68.3m3
Vo = 0.2095 (140 - 68.3) = 15.02
%O2 = 100 x 15.02 = 10.7%
140
The oxygen content of the room is halved to 10.7%.
From what I have seen in close-ups this looks more like water nozzles spraying a very fine mist.
It is cheap, safe and another way to get those sweaty guests wet.
It is cheap, safe and another way to get those sweaty guests wet.
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