So I will preface this by saying I only have the Mongoose books, so my info is from that source. I have a question about High Guard (Book 2) small craft in comparison to Military Vehicles (Book 6), while both are in-atmosphere. I potentially have a mixed fleet of 10T fighters designed with High Guard escorting/attempting to counter armored personnel carrier type vehicles from Military Vehicles. The main question is how fast does a 'Thrust 6' (or Thrust Anything for that matter) ship go in atmosphere? I do not have any of the applicable technical knowledge to calculate any of this, but I imagine it exists here as I have browsed around. I would expect the limiting factor to be how aerodynamic the craft is, but other than 'streamlined', I have no information.
Question about relative speed and thrust
- Thread starter Badenov
- Start date
Condottiere
SOC-14 5K
As I recall, spacecraft with local gravity plus one acceleration factor have access to all speed bands.
Which I think is at odds with previous editions.
I'd have to look it up.
Which I think is at odds with previous editions.
I'd have to look it up.
My take (and only my take) would be treating unstreamlined and streamlined boats as such in MT (I guessstiker would go liekly), while streamlined with aerofins as airframe.
The respective maximums are (at MT) 300 k/h for unstreamlined, 1000 for streamlined and for airframe depending on thrusts (1G: 1080, 2G 1908, 3G 2565, 4G 3060, 5G 3456 and 6G 3780. there are no vessels with higher thrust in MT)
Cruise speed is 75% of maximum one.
I guess those speeds are for standard atmospheres (rated 6 or 7). for dense ones, you should slow them, for light atmospheres you should increase, but I don't dare to say how much...
And, of course, NOE maximum speed is less, and depends on avionics.
YMMV, of course...
The respective maximums are (at MT) 300 k/h for unstreamlined, 1000 for streamlined and for airframe depending on thrusts (1G: 1080, 2G 1908, 3G 2565, 4G 3060, 5G 3456 and 6G 3780. there are no vessels with higher thrust in MT)
Cruise speed is 75% of maximum one.
I guess those speeds are for standard atmospheres (rated 6 or 7). for dense ones, you should slow them, for light atmospheres you should increase, but I don't dare to say how much...
And, of course, NOE maximum speed is less, and depends on avionics.
YMMV, of course...
I had a sort of epiphany after reading this reply, and I thought about terminal velocity. Terminal velocity is no more than your max speed in atmosphere under 1G of acceleration. So I asked Google about calculating terminal velocity, and got a lot of math that boiled down to sqrt((2*mass*grav force)/(the air density*the square of the velocity*reference cross-sectional area of the object)). I substituted thrust for the gravitational force and I get something like the progression offered. ('something like' because I didn't even have a guess at the cross sectional area, but my result turned out proportional to the offered values.) The streamlined/unstreamlined/airframe clearly play into the particulars of surface area and drag coefficient. This implies doubling the thickness of the atmosphere would reduce the top speed by x1/sqrt(2), for less dense, increase the speed. I do know that top speed at very high altitude/edge of space is much higher than top speed close to the surface. (Reference: https://www.grc.nasa.gov/www/k-12/VirtualAero/BottleRocket/airplane/termv.html)
