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I have to concur with that assessment & the remains of the chute
would be blown over the entire length of the ringworld. Even a HALO
jump on Earth you spend a goodly time wondering if you are even
going to hit the continent you are aiming at so shreds of silk would
be really flying.<br>
<br>
Sköl,<br>
Sven<br>
<br>
<div class="moz-cite-prefix">On 3/25/2013 10:44 AM, Styopa wrote:<br>
</div>
<blockquote
cite="mid:CAOKbp31YM2R+J==vcd0YStdkz9FXV1vJVNG9Hm9Ebb9aK_F9Rw@mail.gmail.com"
type="cite">T-7s had a weight limit of ~360-400 lbs, claiming they
could reliably land 2 individuals, but those are WW2-size guys, ie
~150-180lbs each.
<div><br>
</div>
<div><br>
</div>
<div>Of course, parachutes depend on gravity. As a Ringworld
ostensibly generates gravity through centrifugal (centripetal)
force the question becomes - if the troll can generate enough
force on departure to counteract this rotation (ok that's a lot
- <a moz-do-not-send="true"
href="http://www.alcyone.com/max/reference/scifi/ringworld.html">http://www.alcyone.com/max/reference/scifi/ringworld.html</a>
) he'd just HANG there, not falling at all.</div>
<div><br>
</div>
<div>Whatever velocity he can generate on takeoff is going to
reduce his falling speed.</div>
<div><br>
</div>
<div>But no, siz 37 = about 650kg. The iron plate for that
individual would be what, at least another 200kg, call it a
total of 800kg. Assuming no substantial start velocity as
above, a 2000-lb weight on a WW2 paratrooper's chute means it
would be shredded almost instantly and the troll would end up a
troll-colored smear in a troll-shaped crater.</div>
<div><br>
</div>
<div>Assuming that his density is about 1.1, surface area with
everything is (generously) 3sqm, his terminal velocity would be
about 70 m/s in air. He's going to hit at nearly 160 mph.</div>
<div><br>
</div>
<div>He'd reach this in about 8 seconds - call it 10, with the
time for the chute to shred - after which he'd only have fallen
only about 325m. From that point on he's not accelerating any
more, then it's just falling and screaming.</div>
<div><br>
</div>
<div>He has 800,000m to fall.</div>
<div><br>
</div>
<div>He'd fall for about 3 minutes to a spectacular splat.</div>
<div><br>
</div>
<div>At least, that's my guess.<br>
<br>
<div class="gmail_quote">On Mon, Mar 25, 2013 at 12:28 PM, Leon
Kirshtein <span dir="ltr"><<a moz-do-not-send="true"
href="mailto:leonbk@yahoo.com" target="_blank">leonbk@yahoo.com</a>></span>
wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0
.8ex;border-left:1px #ccc solid;padding-left:1ex">
<div dir="auto">
<div>
<div class="h5">
<blockquote type="cite">
<div>
<p dir="ltr">I have a question which may seem a
*trifle* unusual. But I think that I'm more
likely to get an answer from this list than
anywhere else.</p>
<p dir="ltr">Could an eleven-foot-tall SIZ 37
great troll in iron platemail, carrying a troll
maul, a greatsword, and a backpack, using a
standard WWII paratrooper parachute,
successfully parachute to a landing if he
started from from 500 miles up the Spill
Mountains (i. e. the rim) of the Ringworld?</p>
<p dir="ltr">Also, what would be the effects and
strain of a 500-mile parachute jump, both on the
troll and the parachute? I've never parachuted
at all, so I don't know. It seems to me that the
seams and straps might break?</p>
<p dir="ltr">And did they use silk or nylon for
parachutes back then?</p>
<p dir="ltr">Thanks!</p>
</div>
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