Piel Beryl

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CP.70 Beryl
Piel CP-70 Beryl F-PMEQ Beynes 06.67.jpg
The sole CP-70 Beryl F-PMEQ at Beynes-Thiverval airfield near Paris in June 1967
Role Sport aircraft
National origin France
Manufacturer Homebuilt
Designer Claude Piel
First flight ca. 1965

The Piel CP.70 Beryl was a single-seat, single-engine sport aircraft first flown in France in the 1960s and marketed for homebuilding.[1]

Design and development[edit]

The Beryl uses the same wing design as the Piel Emeraude but with a new fuselage, exchanging the Emeraude's side-by-side configuration seating for seating in tandem. As originally designed, the aircraft was to be fitted with fixed, tricycle undercarriage with a steerable nosewheel. Construction throughout was of doped fabric-covered wood.[2][3]

An aerobatic version, designated the CP.750 was also developed. This differed from the basic CP.70 in having a reduced wingspan, fixed tailwheel undercarriage, and a slightly longer fuselage. It retained the CP.70's wooden wings, but the fuselage was built of welded steel tube and still covered in fabric.[2]

Variants[edit]

CP.70
Standard variant for homebuilding powered by a 65 hp (48 kW) Continental C65-8F or 118 hp (88 kW) Lycoming O-235 engine.[1][3]
Piel Beryl CP.750
CP.750
a CP-70 with 150 hp Lycoming O-320 engine with a reduced wingspan, fixed tailwheel undercarriage, and a slightly longer fuselage.[2]
CP.751
CP-750 with 200 hp Lycoming O-360-A2A engine.[4]

Specifications (CP.70)[edit]

Data from Jane's All the World's Aircraft 1977–78, p.496

General characteristics

  • Crew: One pilot
  • Capacity: 1 passenger
  • Length: 6.45 m (21 ft 2 in)
  • Wingspan: 8.25 m (27 ft 1 in)
  • Height: 1.60 m (5 ft 3 in)
  • Wing area: 10.9 m2 (117 ft2)
  • Empty weight: 320 kg (700 lb)
  • Gross weight: 540 kg (1,190 lb)
  • Powerplant: 1 × Continental C65-8F, 49 kW (65 hp)

Performance

  • Maximum speed: 175 km/h (109 mph)
  • Range: 600 km (372 miles)
  • Service ceiling: 3,000 m (9,850 ft)

Notes[edit]

  1. ^ a b Taylor 1989, p.725
  2. ^ a b c Jane's All the World's Aircraft 1977–78, p.496
  3. ^ a b Bayerl, Robby; Martin Berkemeier; et al: World Directory of Leisure Aviation 2011-12, page 96. WDLA UK, Lancaster UK, 2011. ISSN 1368-485X
  4. ^ "French homebuilts gather at RSA rally" 1981, p.545

References[edit]