The Name A4
came from the rockets working name Aggregate-4 or translated Assembly number 4.
The V2/A4
was originally designed by the German Army Ordinance Department under the
direction of General Wernher Von Braun and his engineers in Germany it was
originally designated A4 until it was renamed for propaganda purposes
Vergeltungswaffen 2 or vengeance weapon two and it became the V2.
The
first successful flight of a V2 took place on October 3rd 1942, following 3
earlier unsuccessful attempts test vehicle number V-4 made a perfect flight, it
broke all previous rocket records for speed, altitude, endurance and distance.
A
total of approximately 4300 V2's were launched at an estimated cost of £35,700
each.
The
following diagram shows the outline of the V2 with 1/4-scale measurements, these
were used for this rocket.
One good resource for information on the V2 is www.v2rocket.com