Mouthpiece buzzing or the use of a
BERP (see
berp.com) on the other hand is merciless.
Technique tips: accuracy
Lockheed Martin is prime contractor for the 26 VH-71As (formerly US101s) for the US Navy-funded presidential helicopter squadron, which are to have improved (
Berp IV) blades and 1884-kW CT7-8E engines.
Aerial pick-ups; the ten tonners: offering an attractive combination of usefulness and affordability, utility helicopters of around ten tonnes are the aviation equivalent of the pick-up truck. Such aircraft are operated in large numbers, and several outstanding designs are competing for new and replacement orders
The former had already built and flown a treble-engined 38-seat A101G as long ago as October 1964, while the latter had started using plastic blades on the Lynx and later worked on the
BERP blade, the initial version of which first flew in the early 1980s.
Westland sharpens its blades
PHOTO : With the new
BERP blade design allowing high blade-tip speeds, a Westland Lynx broke the
The rotary-wing aircraft and modern materials