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Transcription: [00:34:47]
{SPEAKER name="KARL HEIMBURG"}
—and the clouds of the exhaust gas. Um,--

[00:34:52]
{SPEAKER name="MICHAEL NEUFELD"}
You mean that the pipes were laid— led under the surface of the water?

{SPEAKER name="KARL HEIMBURG"}
No, they were above, above ground. But,outside—

{SPEAKER name="MICHAEL NEUFELD"}
Out to the edge of the water.

{SPEAKER name="KARL HEIMBURG"}
—out, yeah, right. Out of the edges of the water.

[00:35:07]
{SPEAKER name="MICHAEL NEUFELD"}
Did you have any problems with the functioning of that system? With leakage of—?

{SPEAKER name="KARL HEIMBURG"}
Not serious problems.

[00:35:17]
{SPEAKER name="KARL HEIMBURG"}
After, you were through with the A4, you had quite some knowledge on what you had to watch for.

[00:35:26]
{SPEAKER name="KARL HEIMBURG"}
And since the temperatures were normal, it was not so difficult as you didn't have problems with the, with the valves, few locks, with other valves, and, that you had an acid — this was what you knew, and what you had to use special materials, special metals, in order to avoid corrosion, which could give you a problem.

[00:35:51]
{SPEAKER name="KARL HEIMBURG"}
And you had some problem, with the gaskets in the beginning, until you had a gasket which was really safe for a longer period of time for the acid.

[00:36:07]
{SPEAKER name="MICHAEL NEUFELD"}
So did you, uh, when you arrived, was there a test stand that had been started or you started it with nothing and built, this Wasserfall engine test stand?

[00:36:19]
{SPEAKER name="KARL HEIMBURG"}
No. There were already tests made in a considerably smaller scale, and that was done on Test Stand number 3.

[00:36:33]
{SPEAKER name="KARL HEIMBURG"}
So that, there was some information available, not a big information, that was in small scale, you might say, in a model scale, was it tried out.

[00:36:49]
{SPEAKER name="MICHAEL NEUFELD"}
The, Thiel, I've heard of this a little bit -- I don't know much about it.

[00:36:54]
I know that Thiel had been working with the idea of what was called, by you: 'Salbei'—

{SPEAKER name="KARL HEIMBURG"}
'Salbei', yeah.

{SPEAKER name="MICHAEL NEUFELD"}
—and 'Visol'—

{SPEAKER name="KARL HEIMBURG"}
Yeah, yeah.

{SPEAKER name="MICHAEL NEUFELD"}
—the nitric acid, the oil-hydrocarbon fuel combination, he had tried that out?

[00:37:12]
{SPEAKER name="KARL HEIMBURG"}
Yes, you are right. He was interested in that, and it was clear that, you know, you had a smaller exhaust velocity, and therefore your vehicle would become heavier when you used it.

[00:37:30]
{SPEAKER name="KARL HEIMBURG"}
But, for a purpose of anti-aircraft— uh, I'll, let me, let me even say it in a different way.

[00:37:40]
{SPEAKER name="KARL HEIMBURG"}
For military purposes, you are by far better off when you are working, when you do not have to work with a, with a match to ignite it, when it goes automatic—

{SPEAKER name="MICHAEL NEUFELD"}
Mmhmm

{SPEAKER name="KARL HEIMBURG"}
—or, if you work with solids, solid propane rockets. For military purposes, this is a lot better, this is by far better, because—