HC Deb 11 March 1969 vol 779 c272W
Mr. Brian Parkyn

asked the Minister of Technology what proportion of the work carried out at the Royal Aircraft Establishment, Bedford, is devoted to helicopter research.

Mr. J. P. W. Mallalieu

About 6 per cent.

Mr. Brian Parkyn

asked the Minister of Technology how many wind tunnels are under his control at the Royal Aircraft Establishment, Bedford; and what wind velocities each is designed for.

Mr.

Fowler: There are four main wind tunnels, the wind speeds of which are:

  1. (i) Variable between Mach 2.5 and Mach 5;
  2. (ii) Variable between Mach 0 and Mach 0.8, and between Mach 1.2 and Mach 2.8;
  3. (iii) Variable between Mach 0 and Mach 2;
  4. (iv) Up to 350 feet per second.