The Chase-Sisley C100-S is an American
mid-wing
A monoplane is a fixed-wing aircraft configuration with a single mainplane, in contrast to a biplane or other types of multiplanes, which have multiple planes.
A monoplane has inherently the highest efficiency and lowest drag of any wing confi ...
, single seat
FAI Open Class
Competition classes in gliding, as in other sports, mainly exist to ensure fairness in competition. However the classes have not been targeted at fostering technological development as in other sports. Instead classes have arisen because of:
* t ...
glider
Glider may refer to:
Aircraft and transport Aircraft
* Glider (aircraft), heavier-than-air aircraft primarily intended for unpowered flight
** Glider (sailplane), a rigid-winged glider aircraft with an undercarriage, used in the sport of glidin ...
that was designed in the 1960s by Dr.
Robert Chase.
[Said, Bob: ''1983 Sailplane Directory, ]Soaring Magazine
''SOARING'' is a magazine published monthly as a membership benefit of the Soaring Society of America. It was first published in 1937. The headquarters is in Hobbs, New Mexico. The magazine's article topics include safety issues and accounts of ind ...
'', page 39. Soaring Society of America November 1983. USPS 499-920
Design and development
The C100-S project was started by Chase in 1962, with prototype construction commenced near the end of 1963. The resulting aircraft was first flown in 1968.
The aircraft is built from a combination of wood,
styrofoam,
aluminium
Aluminium (aluminum in American and Canadian English) is a chemical element with the symbol Al and atomic number 13. Aluminium has a density lower than those of other common metals, at approximately one third that of steel. I ...
and
fiberglass
Fiberglass (American English) or fibreglass (Commonwealth English) is a common type of fiber-reinforced plastic using glass fiber. The fibers may be randomly arranged, flattened into a sheet called a chopped strand mat, or woven into glass cloth ...
. The semi-tapered wing is built from wood and styrofoam, covered with stress-bearing fiberglass. The wing is tapered outboard of the mid-span point. The wing
spar is built up from 14 layers of fiberglass and
epoxy resin
Epoxy is the family of basic components or cured end products of epoxy resins. Epoxy resins, also known as polyepoxides, are a class of reactive prepolymers and polymers which contain epoxide groups. The epoxide functional group is also coll ...
at the root and is a box-style spar that occupies 40% of the wing chord. The wing is constructed in three pieces, a center-section and
wing tips and features
Schempp-Hirth
Schempp-Hirth Flugzeugbau GmbH is a glider manufacturer based in Kirchheim unter Teck, Germany.
History
Martin Schempp founded his own company in Göppingen in 1935, with the assistance of Wolf Hirth.
The company was initially called "Sportfl ...
dive brakes. The wing is 15% thick and employs a
NACA 64(3)-615
laminar flow airfoil
An airfoil (American English) or aerofoil (British English) is the cross-sectional shape of an object whose motion through a gas is capable of generating significant lift, such as a wing, a sail, or the blades of propeller, rotor, or turbine.
...
.
The
fuselage
The fuselage (; from the French ''fuselé'' "spindle-shaped") is an aircraft's main body section. It holds crew, passengers, or cargo. In single-engine aircraft, it will usually contain an engine as well, although in some amphibious aircraft t ...
is built from aluminium and features
stressed skin construction. The landing gear is a fixed monowheel. The pilot's seating position is semi-reclined. In addition to the dive brakes the pilot has a tail-mounted drag chute available.
Only one C100-S was ever built and it is registered in the ''
experimental amateur-built'' category.
Operational history
The former owner of the glider, Dr. Richard Sisley of
Los Angeles, California
Los Angeles ( ; es, Los Ángeles, link=no , ), often referred to by its initials L.A., is the largest city in the state of California and the second most populous city in the United States after New York City, as well as one of the world' ...
, reported in 1983 that the aircraft had excellent thermalling flight characteristics.
In May 2011 the sole example produced was still registered with the
Federal Aviation Administration
The Federal Aviation Administration (FAA) is the largest transportation agency of the U.S. government and regulates all aspects of civil aviation in the country as well as over surrounding international waters. Its powers include air traffic m ...
.
Specifications (C100-S)
See also
References
{{reflist
1960s United States sailplanes
Aircraft first flown in 1968