:34:07
Forget it! Forget it!
Just stop the train!
:34:10
Roy Lee!
:34:14
- Stop!
- Stop! The track's out!
:34:50
S.A.E. 10-20 bar stock.
:34:53
The angle of 30 degrees is crucial.
When the fuel combusts...
:34:56
it creates a controlled explosion.
:34:58
The nozzle directs
a river of hot gas...
:35:01
that can reach the speed of sound
when it hits the mouth of the nozzle!
:35:05
Hey, Quentin. Sorry.
:35:11
It's called a tapered bore.
:35:14
A tapered bore. Now he's takin' off
just a little bit at a time.
:35:36
Good deed, good deed.
:35:45
I'm concerned that the mass
of the added propellant...
:35:48
compared to the mass of the empty rocket
will be too little.
:35:51
He's afraid it'll be too heavy.
:35:53
Why don't we just make it longer?
:35:55
Longer would allow increased volume
for the propellant...
:35:58
without much additional mass.