I’ve recently been reading (and thoroughly enjoying) the Reality Dysfunction by Peter F. Hamilton. The ships in this setting need to be far enough away from a gravity field to use their version of Jump safely (as with Traveller). One of the characters pulls of a jump from a world’s Lagrange point as the moon and planet’s gravity fields cancel each other out. It was a risky manoeuvre for the ship because it was done at high speed but I thought it could be an interesting smuggler/pirate trick in Traveller.
Jump Limits
- Thread starter steelbrok
- Start date
I've noticed how traveller-like the world is in those books. It has low berths (zero-tau pods), the equivalent you mention of the '100 radius' limit, and a sort of lo tech vision of the future many things (guns, lifestyles, sports, and drink etc.) are vaguely analogous to today. The big departure from the OTU I suppose is the biological technology (bitek), and communal telepathy (affinity) that the edenits have, but it is still easily imagined in traveller terms.
And yes - the 'lagrange' jump should be allowed - remember there are five lagrange points in any two-mass system. You should probably ask for some sort of space science roll to calculate where they are mind you, as well as a very good pilot/engineer roll or something to time it just right.
http://en.wikipedia.org/wiki/Lagrangian_point
Whether these points would ever be in the 100 radius limit is worth considering though (gets out old textbooks and pen and paper).
And yes - the 'lagrange' jump should be allowed - remember there are five lagrange points in any two-mass system. You should probably ask for some sort of space science roll to calculate where they are mind you, as well as a very good pilot/engineer roll or something to time it just right.
http://en.wikipedia.org/wiki/Lagrangian_point
Whether these points would ever be in the 100 radius limit is worth considering though (gets out old textbooks and pen and paper).
I don't think, under canon (100D) jumplimit rules that you can have the equivalent of Lagrange points. While gravity is vector, and can cancel, the D volume is scalar and cannot. With a 2-body system, I think gravity would be cancelled on the surface where the two "spheres" press against each other (wouldn't be circular-flat cos G follows inverse square laws?), whereas when you're dealing with 100D volumes, it just means you're inside *2* limits, rather than just one.
There's still the possibility in complex systems of small bodies that you can find a clever spot that is surrounded by bodies, but outside the 100D limit for all of them.
There's still the possibility in complex systems of small bodies that you can find a clever spot that is surrounded by bodies, but outside the 100D limit for all of them.
"The big departure from the OTU I suppose is the biological technology (bitek), and communal telepathy (affinity) that the edenits have, but it is still easily imagined in traveller terms. "
Yes, I've toyed with giving the Zhodani all of the bitek as thety already have the psionics, just to make them different/interesting
Yes, I've toyed with giving the Zhodani all of the bitek as thety already have the psionics, just to make them different/interesting
Evilschemer
Mongoose
For Earth, the 100D limit is 1,275,610 km.
The LaGrange points are located at 321,392 km.
I would still make it very difficult.
Also, is the 100D limit a function of the gravity of the nearest mass or some kind of hyperspace mass shadow? If it's a mass shadow or some other hand-wavery, then the lagrange point will still be in the fuzzy area within 100D.
The LaGrange points are located at 321,392 km.
I would still make it very difficult.
Also, is the 100D limit a function of the gravity of the nearest mass or some kind of hyperspace mass shadow? If it's a mass shadow or some other hand-wavery, then the lagrange point will still be in the fuzzy area within 100D.
lastbesthope
Mongoose
Evilschemer said:
Is that the Earth-Moon L1 point you speak of?
LBH
Rikki Tikki Traveller
Cosmic Mongoose
I THINK that is the right number for the Earth-Moon L1 point. The L4 and L5 points would be at the same distance (from Earth) as the Moon, about 400,000 km.
Evilschemer
Mongoose
lastbesthope said:
Sorry, I meant the L1 point is located at...
lastbesthope
Mongoose
Evilschemer said:
No need to apologise, I used to work for the European Space Agency, did a bit of spaceflight mechanics at university. I used to be able to prove the L1 points existed via the Jacobi integral, but it's been a LONG time :lol:
LBH
collins355
Cosmic Mongoose
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collins355
Cosmic Mongoose
Mispost - removed, sorry!
