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Transcription: [00:32:34]
{SPEAKER name="MICHAEL NEUFELD"}
The name— what were numbers of those test stands at Wasserfall?

{SPEAKER name="KARL HEIMBURG"}
We had one test stand for combustion chamber only and one test stand for, uh, the complete vehicle.

{SPEAKER name="MICHAEL NEUFELD"}
Mmhmm.

[00:32:46]
{SPEAKER name="MICHAEL NEUFELD"}
This is probably located elsewhere, but what were the numbers of those test stands? What were they, uh, were they, you know—
You had test stand 7 for A4, so what, those were called? Do you remember at all?

[00:33:01]
{SPEAKER name="KARL HEIMBURG"}
We had — test stand 8 for combustion engines only.

{SPEAKER name="MICHAEL NEUFELD"}
Mmhmm

[00:33:06]
{SPEAKER name="KARL HEIMBURG"}
Test stand 1 for new developments on the A4.

[00:33:11]
{SPEAKER name="KARL HEIMBURG"}
Test stand 7 for the normal testing of the A4.

[00:33:16]
{SPEAKER name="KARL HEIMBURG"}
We had test stand number 5 for — testing of pumps, it was a pump test stand.

[00:33:24]
{SPEAKER name="KARL HEIMBURG"}
We had test stand number 2 for small engines.

[00:33:31]
{SPEAKER name="KARL HEIMBURG"}
And I cannot even tell you what they were used for. That was before my time.

[00:33:37]
{SPEAKER name="KARL HEIMBURG"}
And, uh —

[00:33:38]
{SILENCE}

[00:33:42]
{SPEAKER name="MICHAEL NEUFELD"}
And Wasserfall was put on—?

[00:33:45]
{SPEAKER name="KARL HEIMBURG"}
On that new test stand —

[00:33:46]
{SPEAKER name="MICHAEL NEUFELD"}
Mmhmm

[00:33:47]
{SPEAKER name="KARL HEIMBURG"}
Which I — that was close to test stand number 5, that pump test stand and what was,

[00:33:54]
{SPEAKER name="KARL HEIMBURG"}
uh, inconvenient, let me say inconvenient on that was where the exhaust gas was poisonous.

{SPEAKER name="MICHAEL NEUFELD"}
Mmm

[00:34:01]
{SPEAKER name="KARL HEIMBURG"}
You know you had, uh, H2S04, as an oxidizer—

[00:34:11]
{SPEAKER name="MICHAEL NEUFELD"}
Yeah, or it was nitric acid.

{SPEAKER name="KARL HEIMBURG"}
That is nitric acid. Yeah.

[00:34:14]
{SPEAKER name="MICHAEL NEUFELD"}
Yeah H2N04 I think, yeah.

[00:34:16]
{SPEAKER name="KARL HEIMBURG"}
H2S04.

[00:34:18]
{SPEAKER name="MICHAEL NEUFELD"}
That's sulfuric acid.

[00:34:20]
{SPEAKER name="KARL HEIMBURG"}
Oh yeah, you are right. That's sulfuric. N04. N04. And uh, we had, well in oil —

[00:34:27]
{SPEAKER name="MICHAEL NEUFELD"}
Mmhmm

{SPEAKER name="KARL HEIMBURG"}
— and the whole thing was hypergolic.

[00:34:30]
{SPEAKER name="KARL HEIMBURG"}
That is, if you put both together, it ignites on its own, but the exhaust gas is poisonous.

[00:34:38]
{SPEAKER name="KARL HEIMBURG"}
So we built channels outside into the sea in order to avoid that people would come in the —

Transcription Notes:
Mentions a "Vosser Fall" at 00:33:39. Unaware of actual spelling --> Wasserfall