2:00:05
In 1851, Henson and Stringfellow
built a rubber-powered model...
2:00:09
...that flew 600 meters
before encountering an obstruction.
2:00:14
Aerofoil surfaces, lift
and drag coefficients...
2:00:17
...weight-thrust equations and
the whole pattern of modern aviation...
2:00:21
...originates from right there.
2:00:34
Well, where is he?
2:00:39
I'll go and get him.
2:00:52
Here he is.
2:00:55
Our friend Dorfmann's a bit impatient.
2:01:03
In 1851, Henson and Stringfellow...
2:01:07
...built a rubber-powered
m- model aircraft...
2:01:11
...that flew 600 meters
before encountering an obstruction.
2:01:14
Did you kn-know that, M-Mr. Towns?
2:01:18
That's great.
2:01:21
No, not great, but significant.
2:01:27
You understand, those are
the only cartridges we have.
2:01:31
If you fail with them
my work has been wasted.
2:01:36
The moment the engine fires,
throttle back.
2:01:41
Too much unnecessary vibration
could shake the structure to pieces.
2:01:52
Vibration must be kept to a minimum.