Briegleb BG-12

Last updated
BG-12
BG-1216wingup.JPG
BG 12/16 variant
RoleSailplane#
National originUnited States
Manufacturer Sailplane Corporation of America for Homebuilding
Designer Gus Briegleb
First flight1956
Developed from Briegleb BG-6

The Briegleb BG-12 is a single-seat sailplane of wooden construction developed in the United States in the 1950s. It was marketed for homebuilding in plans or kit form, with over 350 sets of plans selling by 1978. The BG-12 is a conventional sailplane design, with a high cantilever wing and a conventional empennage. Later models featured a highly revised fuselage, a swept-forward tail fin, and an all flying tailplane with balance tabs.

Contents

Variants

BG-12
prototype derived from BG-6
BG-12A
Initial market version
BG-12B
1963 version with revised wing
BG-12BD
BG-12B with revised wing and ailerons [1]
BG-12C
Flapless 15 metre wing to meet FAI Standard Class requirements, one built.
BG-12/16
Revised, lower-drag fuselage and tail fin, all flying tailplane
Jobagy Bagyjo
BG-12 fuselage and empennage with Cherokee II Wings. Built in 1962 by John Jobagy, currently on display at the Aero Space Museum of Calgary [2]
Niedrauer NG-1
BG-12/16 fuselage shortened 9 inches and lengthened to accommodate reclined pilot position. BG-12B Horizontal tail. Airfoil changed to a NACA 4400 series. L/D of 35:1 at 55 mph (89 km/h). [3]

Aircraft on display

Specifications (BG 12BD)

General characteristics

Performance

See also

Related development

Related lists

Related Research Articles

The Briegleb BG-6 was a 1930s single-seat glider designed by William G. Briegleb to be both factory and homebuilt.

Hall Cherokee II

The Hall Cherokee II is an American high-wing, single seat glider that was designed by Stan Hall and introduced in 1956 as plans for amateur construction.

The Briegleb BG-7 is an American strut-braced high-wing, single seat glider that was designed by William G. Briegleb and produced by the Sailplane Corporation of America as a completed aircraft and also as a kit.

Johnson RHJ-6 Adastra

The Johnson RHJ-6 Adastra was an American mid-wing, two-seat glider that was designed and constructed by Dick Johnson and first flown on 3 April 1960.

Cijan-Obad Orao

The Cijan-Obad Orao is a competition single seat sailplane designed in Yugoslavia just after World War II, one of the most advanced of its type at the time. It flew in three World Gliding Championships, having greatest success at its first in 1950 when it reached third place.

Start + Flug Hippie

The Start + Flug H-111 Hippie, later retailed as the Hänle Hippie is a basic single seat glider, its weight kept low with the use of modern composite materials. It can be foot launched or by other methods. It was designed and built in Germany in the 1970s.

The VTC Delfin is a competition single seat Standard class glider designed and built in Yugoslavia in the 1960s. It had some success in national competitions and went into small scale production.

DFS Rhönsperber

The DFS Rhönsperber, otherwise known as the Schweyer Rhönsperber or Jacobs Rhönsperber was a single seat competition glider designed in Germany by Hans Jacobs and first flown in 1935. For several years it was regarded as the best German sailplane and about one hundred were built.

The Bonomi BS.11 Milano and BS.12 Roma were primary gliders designed and built in Italy in the 1930s. Only about six were produced.

The CVT1 Zigilo was a single-seat, 12-metre-span (39 ft) Italian training glider designed and built in Italy in the 1950s. Only one was completed.

The Akaflieg Braunschweig SB-6 Nixope was an early (1961) GRP high performance single seat glider designed and built in Germany by aeronautical students from Brunswick University. It competed in the 1961 German National gliding competition, coming sixth, and led directly to two further GRP aircraft.

Orlican VT-16 Orlik

The Orlican VT-16 Orlik is a single-seat club glider, serving Czech gliding clubs and setting several national records in the early 1960s.

The IIL IS-4 was a single seat, high performance sailplane designed by Iosif Șilimon and built in Romania in the late 1950s.

The IIL IS-5 was a single seat, high performance sailplane designed by Iosif Șilimon and built in Romania in 1960.

The IIL IS-10 was a high-performance, single-seat glider, designed and built in Romania in the early 1960s. It was the first Romanian aircraft to use laminar flow airfoils.

The IIL IS-11 was an aerobatic, single seat glider, designed and built in Romania in 1959. It was built in small numbers.

The IIL IS-12 was a two-seat glider, designed and built in Romania in 1960. It had a wooden wing but a metal fuselage and was constructed in parallel with the all-wood IS-13 for comparative tests. It was later followed by the IS-13a, a version with an all-metal wing.

The IFIL-Reghin RG-4 Pionier or CIL Reghin RG-4 Pionier was a Romanian single seat primary glider built in the 1950s. Fifty were produced.

The IFIL-Reghin RG-5 Pescăruș or CIL Reghin RG-5 Pescăruș was a Romanian single seat sailplane built in the 1950s. Twenty six were constructed for gliding clubs.

Schneider ES-57 Kingfisher

The Schneider ES-57 Kingfisher is a low-cost, short-span Australian glider capable of respectable cross country soaring flights. It was produced in small numbers in the late 1950s.

References

  1. Air Trails: 80. Winter 1971.Missing or empty |title= (help)
  2. Soaring, July 1962
  3. Hall, Stan (June 1975). "Homebuilder's Hall". Soaring. 39: 32.
  4. US Southwest Soaring Museum (2010). "Sailplanes, Hang Gliders & Motor Gliders" . Retrieved 26 May 2011.
  5. "Collection". Archived from the original on 6 July 2011. Retrieved 26 May 2011.
  6. "Collection". Archived from the original on 16 May 2011. Retrieved 13 October 2011.