From: (robert arndt)


After reviewing the information provided on Unicraft's V-4 page, I
took a look at the dimensions of the missile and the ramjet engine,
which is definately not an Argus or Lorin type.
The Pabst ramjet, however, matches exactly in dimension and
configuration. It had been successfully tested as evidenced by this
1944 photo:

http://www.germanvtol.com/tribflugfolder/5treib.jpg


That photograph only proves a piece of apparatus that may or may not be a ram
jet test stand was built at some time and was photographed using poor quality
equipment. It doesn't seem to be a running engine of any kind. If memory serves
a ram jet needs at least 200 knots intake velocity. The "ram jet" in that
picture doesn't seem to be moving at all let alone at that velocity.

Dan, U. S. Air Force, retired