Search references for R 4D. Phrases containing R 4D
See searches and references containing R 4D!R 4D
Marquardt-built small hypergolic rocket engine
The R-4D is a small hypergolic rocket engine, originally designed by the Marquardt Corporation for use as a reaction control system thruster on vehicles
R-4D
3D film with in-theater physical effects
4D film is a presentation system combining motion pictures with synchronized physical effects that occur in the theater. Effects simulated in 4D films
4D_film
Primary power and propulsion component of the Orion spacecraft
the mission; subsequent maneuvers were carried out by the eight smaller R-4D secondary engines. The burn consumed approximately 1,000 pounds (450 kg)
European_Service_Module
Component of the Apollo spacecraft
provided rotation and translation control in all three spacecraft axes. Each R-4D thruster measured 12 inches (30 cm) long by 6 inches (15 cm) diameter, generated
Apollo command and service module
Apollo_command_and_service_module
Able Ablestar Agena Altair Burner FW-4D IABS PAM-D Star UM-129 Engines AJ10 B-8048 B-8081 B-8096 LE-5 LR-79 R-4D RL10 RS-27 RS-68 TR-201 Manufacturers
Lists of Thor and Delta launches
Lists_of_Thor_and_Delta_launches
Proposed US medium-lift launch vehicle
(LH2) engine, while the third stage was intended to utilise eight Marquardt R-4D reaction control system thrusters, fueled by a hypergolic mix of nitrogen
Jarvis_(rocket)
Retired American expendable rocket
Able Ablestar Agena Altair Burner FW-4D IABS PAM-D Star UM-129 Engines AJ10 B-8048 B-8081 B-8096 LE-5 LR-79 R-4D RL10 RS-27 RS-68 TR-201 Manufacturers
Delta_B
Politics in the US state of West Virginia
Pipes (R) Aquilla B. Caldwell (R) Thomas Boggess (R) James A. Macauley (R) 18R, 4D 32R, 24D Arthur I. Boreman (R) 3R 1870 William E. Stevenson (R) 13LR
Political party strength in West Virginia
Political_party_strength_in_West_Virginia
American expendable launch vehicle
Able Ablestar Agena Altair Burner FW-4D IABS PAM-D Star UM-129 Engines AJ10 B-8048 B-8081 B-8096 LE-5 LR-79 R-4D RL10 RS-27 RS-68 TR-201 Manufacturers
Delta_A
Variant of the Delta IV space launch vehicle
Able Ablestar Agena Altair Burner FW-4D IABS PAM-D Star UM-129 Engines AJ10 B-8048 B-8081 B-8096 LE-5 LR-79 R-4D RL10 RS-27 RS-68 TR-201 Manufacturers
Delta_IV_Heavy
Politics in the US state of Maryland
Attorney General on January 1 and January 2, 1979, respectively. Sen. Robert R. Neall switched parties from Republican to Democratic. In September 2008,
Political party strength in Maryland
Political_party_strength_in_Maryland
Japanese-American rocket stage
Able Ablestar Agena Altair Burner FW-4D IABS PAM-D Star UM-129 Engines AJ10 B-8048 B-8081 B-8096 LE-5 LR-79 R-4D RL10 RS-27 RS-68 TR-201 Manufacturers
Delta_Cryogenic_Second_Stage
American two-stage rocket (1966–1972)
Able Ablestar Agena Altair Burner FW-4D IABS PAM-D Star UM-129 Engines AJ10 B-8048 B-8081 B-8096 LE-5 LR-79 R-4D RL10 RS-27 RS-68 TR-201 Manufacturers
Thorad-Agena
American rocket family
Able Ablestar Agena Altair Burner FW-4D IABS PAM-D Star UM-129 Engines AJ10 B-8048 B-8081 B-8096 LE-5 LR-79 R-4D RL10 RS-27 RS-68 TR-201 Manufacturers
Thor_(rocket_family)
American expendable launch vehicle
Able Ablestar Agena Altair Burner FW-4D IABS PAM-D Star UM-129 Engines AJ10 B-8048 B-8081 B-8096 LE-5 LR-79 R-4D RL10 RS-27 RS-68 TR-201 Manufacturers
Delta_D
Politics in the US city
Mitchel (Fus) William A. Prendergast (R) 4D, 1R 41D, 32R 1911 1912 Ardolph L. Kline (R) 39R, 34D 1913 Ardolph Loges Kline (R) 1914 John Purroy Mitchel (Fus)
Political party strength in New York City
Political_party_strength_in_New_York_City
American rocket
orbit) on board the Atlas II and, later, the Delta IV. It was powered by two R-4D engines and could operate on-orbit for up to twelve days before deploying
Atlas_II
Spacecraft thrusters used to provide attitude control and translation
Gemini. The Apollo Service Module and Lunar Module each had a set of sixteen R-4D hypergolic thrusters, grouped into external clusters of four, to provide
Reaction_control_system
American expendable launch vehicle
Delta C used an Altair-2 (X-258) third stage, whilst the Delta C1 had an FW-4D third stage, which provided a higher payload capacity than the Altair. It
Delta_C
Series of American expendable launch systems
Able Ablestar Agena Altair Burner FW-4D IABS PAM-D Star UM-129 Engines AJ10 B-8048 B-8081 B-8096 LE-5 LR-79 R-4D RL10 RS-27 RS-68 TR-201 Manufacturers
Delta_2000
Ratio of lengths of fingers
(ring finger), also referred to as the 2D:4D ratio, measured on the palm side. It is proposed that the 2D:4D ratio indicates the degree to which an individual
Digit_ratio
Lottery in Singapore and Malaysia
4-Digits is a fixed-odds game. Magnum 4D is the first legalised 4D Operator licensed by the Malaysian Government to operate 4D. Soon thereafter, other lottery
4-Digits
Defunct Indian communications and meteorology satellite
the satellite's asymmetrical design. The spacecraft was propelled by an R-4D-11 apogee motor. INSAT-1B was deployed by Space Shuttle Challenger during
INSAT-1B
American expendable launch system
Able Ablestar Agena Altair Burner FW-4D IABS PAM-D Star UM-129 Engines AJ10 B-8048 B-8081 B-8096 LE-5 LR-79 R-4D RL10 RS-27 RS-68 TR-201 Manufacturers
Thor-Ablestar
American expendable launch system
Able Ablestar Agena Altair Burner FW-4D IABS PAM-D Star UM-129 Engines AJ10 B-8048 B-8081 B-8096 LE-5 LR-79 R-4D RL10 RS-27 RS-68 TR-201 Manufacturers
Delta_4000
1958-1960 US space rocket system
Able Ablestar Agena Altair Burner FW-4D IABS PAM-D Star UM-129 Engines AJ10 B-8048 B-8081 B-8096 LE-5 LR-79 R-4D RL10 RS-27 RS-68 TR-201 Manufacturers
Thor-Able
Satellite radio communications satellite operated by SiriusXM
orbit. It will raise itself into geostationary orbit by means of its onboard R-4D apogee motor. It also carries four SPT-100 engines for manoeuvring. It is
Sirius_FM-5
Space launch vehicle
Able Ablestar Agena Altair Burner FW-4D IABS PAM-D Star UM-129 Engines AJ10 B-8048 B-8081 B-8096 LE-5 LR-79 R-4D RL10 RS-27 RS-68 TR-201 Manufacturers
N-II_(rocket)
American space launch system (1989–2018)
Retrieved 28 July 2014. Isakowitz, Steven J.; Hopkins, Joshua B.; Hopkins, Joseph R. Jr. (2004). International Reference Guide to Space Launch Systems (Report)
Delta_II
American aerospace propulsion manufacturer
lander. Two RL10 engines are used on Centaur V upper stage of ULA Vulcan. R-4D (MMH/NTO) – 100 lbf (exact thrust depends on variant) hypergolic thruster
Aerojet_Rocketdyne
Booster
Able Ablestar Agena Altair Burner FW-4D IABS PAM-D Star UM-129 Engines AJ10 B-8048 B-8081 B-8096 LE-5 LR-79 R-4D RL10 RS-27 RS-68 TR-201 Manufacturers
N-I_(rocket)
American expendable launch vehicle
version, however this could be replaced with an FW-4D to increase performance. A Delta E with the FW-4D upper stage was designated Delta E1. Six flights
Delta_E
American rocket
Able Ablestar Agena Altair Burner FW-4D IABS PAM-D Star UM-129 Engines AJ10 B-8048 B-8081 B-8096 LE-5 LR-79 R-4D RL10 RS-27 RS-68 TR-201 Manufacturers
Delta_3000
2026 crewed flyby of the Moon
the mission; subsequent maneuvers were carried out by the eight smaller R-4D secondary engines. The burn consumed approximately 1,000 pounds (450 kg)
Artemis_II
American expendable launch vehicle
Able Ablestar Agena Altair Burner FW-4D IABS PAM-D Star UM-129 Engines AJ10 B-8048 B-8081 B-8096 LE-5 LR-79 R-4D RL10 RS-27 RS-68 TR-201 Manufacturers
Delta_G
Rocket launch site at Vandenberg Space Force Base in the USA
Able Ablestar Agena Altair Burner FW-4D IABS PAM-D Star UM-129 Engines AJ10 B-8048 B-8081 B-8096 LE-5 LR-79 R-4D RL10 RS-27 RS-68 TR-201 Manufacturers
Vandenberg Space Launch Complex 1
Vandenberg_Space_Launch_Complex_1
Japanese liquid-fuelled carrier rocket
Able Ablestar Agena Altair Burner FW-4D IABS PAM-D Star UM-129 Engines AJ10 B-8048 B-8081 B-8096 LE-5 LR-79 R-4D RL10 RS-27 RS-68 TR-201 Manufacturers
H-I
Geometric space with four dimensions
Four-dimensional (4D) space is the mathematical extension of the concept of three-dimensional space (3D). Three-dimensional space is the simplest possible
Four-dimensional_space
Space launch vehicle
Able Ablestar Agena Altair Burner FW-4D IABS PAM-D Star UM-129 Engines AJ10 B-8048 B-8081 B-8096 LE-5 LR-79 R-4D RL10 RS-27 RS-68 TR-201 Manufacturers
Delta_III
American rocket stage
Able Ablestar Agena Altair Burner FW-4D IABS PAM-D Star UM-129 Engines AJ10 B-8048 B-8081 B-8096 LE-5 LR-79 R-4D RL10 RS-27 RS-68 TR-201 Manufacturers
Able_(rocket_stage)
American biplane trainer aircraft (1915–1927)
with c/r N5001. Unknown ID – JN-4D on static display in unskinned condition at the Yanks Air Museum in Chino, California. Unknown ID – JN-4D on display
Curtiss_JN_Jenny
Expendable Rocket developed by USA during the Cold War to launch satellites
Able Ablestar Agena Altair Burner FW-4D IABS PAM-D Star UM-129 Engines AJ10 B-8048 B-8081 B-8096 LE-5 LR-79 R-4D RL10 RS-27 RS-68 TR-201 Manufacturers
Thor-Delta
American expendable launch system, a member of the Thor rocket family
Able Ablestar Agena Altair Burner FW-4D IABS PAM-D Star UM-129 Engines AJ10 B-8048 B-8081 B-8096 LE-5 LR-79 R-4D RL10 RS-27 RS-68 TR-201 Manufacturers
Thor-Burner
Politics in the US state of Nebraska
(R) Y 1925 Adam McMullen (R) George A. Williams (R) 1926 1927 Frank Marsh Sr. (R) L. B. Johnson (R) W. M. Stebbins (R) 4D, 2R 1928 Hoover/ Curtis (R)
Political party strength in Nebraska
Political_party_strength_in_Nebraska
Liquid fuel cryogenic rocket engine, typically used on rocket upper stages
Able Ablestar Agena Altair Burner FW-4D IABS PAM-D Star UM-129 Engines AJ10 B-8048 B-8081 B-8096 LE-5 LR-79 R-4D RL10 RS-27 RS-68 TR-201 Manufacturers
RL10
American rocket stage
Able Ablestar Agena Altair Burner FW-4D IABS PAM-D Star UM-129 Engines AJ10 B-8048 B-8081 B-8096 LE-5 LR-79 R-4D RL10 RS-27 RS-68 TR-201 Manufacturers
Common_Booster_Core
Short 4D film attraction
getting "bubbled", which are enhanced by sensory 4D effects. Jonathan Alberto as Police Man Michael R. Johnson as Crook Paige Mount as Police Woman Viewers
Lego City 4D – Officer in Pursuit
Lego_City_4D_–_Officer_in_Pursuit
American expendable launch system
Able Ablestar Agena Altair Burner FW-4D IABS PAM-D Star UM-129 Engines AJ10 B-8048 B-8081 B-8096 LE-5 LR-79 R-4D RL10 RS-27 RS-68 TR-201 Manufacturers
Delta_0100
Variant of the Delta IV space launch vehicle
Able Ablestar Agena Altair Burner FW-4D IABS PAM-D Star UM-129 Engines AJ10 B-8048 B-8081 B-8096 LE-5 LR-79 R-4D RL10 RS-27 RS-68 TR-201 Manufacturers
List of Delta IV Heavy launches
List_of_Delta_IV_Heavy_launches
Intermediate-range ballistic missile
Able Ablestar Agena Altair Burner FW-4D IABS PAM-D Star UM-129 Engines AJ10 B-8048 B-8081 B-8096 LE-5 LR-79 R-4D RL10 RS-27 RS-68 TR-201 Manufacturers
PGM-17_Thor
US military communications satellite
power. The satellite is equipped with X-band and Ka-band transponders. A R-4D bi-propellant rocket motor and four XIPS-25 ion engines provide propulsion
USA-243
Geostationary communications satellite
raised itself into its final geostationary orbit using two liquid-fuelled R-4D-12 engines, with the satellite arriving in geostationary orbit on 21 May
Intelsat_603
American expendable launch system
Able Ablestar Agena Altair Burner FW-4D IABS PAM-D Star UM-129 Engines AJ10 B-8048 B-8081 B-8096 LE-5 LR-79 R-4D RL10 RS-27 RS-68 TR-201 Manufacturers
Delta_M
Rocket family
a uniform 2.4 m (7 ft 10 in) diameter and used the United Technologies FW-4D motor as a third stage.[citation needed] The Delta M first stage consisted
Delta_(rocket_family)
Line of hypergolic liquid rocket engines by SpaceX
nitrogen tetroxide oxidizer. The Draco thrust is comparable to the Marquardt R-4D engine developed for the Apollo Service and Lunar Modules in the 1960s and
SpaceX_Draco
American Agena rocket motor (1963–1984)
Able Ablestar Agena Altair Burner FW-4D IABS PAM-D Star UM-129 Engines AJ10 B-8048 B-8081 B-8096 LE-5 LR-79 R-4D RL10 RS-27 RS-68 TR-201 Manufacturers
Bell_Model_8000_family
Geostationary communications satellite
raised itself into its final geostationary orbit using two liquid-fuelled R-4D-12 engines, with the satellite arriving in geostationary orbit on 28 June
Intelsat_604
Mission to Saturn (1997–2017)
architecture. The main propulsion system consisted of one prime and one backup R-4D bipropellant rocket engine. The thrust of each engine was 490 N (110 lbf)
Cassini–Huygens
Theory of supergravity in four dimensions
In supersymmetry, 4D N = 1 {\displaystyle {\mathcal {N}}=1} supergravity is the theory of supergravity in four dimensions with a single supercharge. It
4D_N_=_1_supergravity
US military communications satellite
transponders, + 10meters solar panels.Propulsion will be provided by an R-4D-15 apogee motor, with four XIPS-25 ion engines for station keeping. WGS 11
WGS-11
Uncrewed cargo spacecraft developed by the European Space Agency
ATV had solar panels (3,800 W), 40 Ah of batteries, propellant tanks, four R-4D (490 N) thrusters, and 28 attitude control and braking thrusters (220 N)
Automated_Transfer_Vehicle
Launch vehicle developed in United States
Able Ablestar Agena Altair Burner FW-4D IABS PAM-D Star UM-129 Engines AJ10 B-8048 B-8081 B-8096 LE-5 LR-79 R-4D RL10 RS-27 RS-68 TR-201 Manufacturers
Thor-Agena
Series of American expendable launch systems
Able Ablestar Agena Altair Burner FW-4D IABS PAM-D Star UM-129 Engines AJ10 B-8048 B-8081 B-8096 LE-5 LR-79 R-4D RL10 RS-27 RS-68 TR-201 Manufacturers
Delta_5000
American expendable rocket launch system
Able Ablestar Agena Altair Burner FW-4D IABS PAM-D Star UM-129 Engines AJ10 B-8048 B-8081 B-8096 LE-5 LR-79 R-4D RL10 RS-27 RS-68 TR-201 Manufacturers
Delta_1000
American expendable launch vehicle
three Castor-2 solid rocket boosters. The second stage was the Delta E. An FW-4D solid rocket motor was used as the third stage. The first launch of the Delta
Delta_L
American Communications Satellite
battery for surviving solar eclipse. Its propulsion system was composed of an R-4D-11-300 LAE with a thrust of 490 newtons (110 lbf). It also had twelve 22
Horizons-1
American rocket stage
IABS consisted of a flat, disc-shaped stage powered by two pressure-fed R-4D rocket engines, fed from a ring of spherical composite overwrapped pressure
Integrated_Apogee_Boost_Stage
Geostationary communications satellite
solar arrays delivering 10 kilowatts, while propulsion is provided by an R-4D-11 hypergolic rocket engine supplemented by an array of attitude control
BulgariaSat-1
Spanish communications satellite
dry weight of 1,325 kg. It was 3 axis stabilized. Its main engine was a R-4D-11 (originally developed for use in the Apollo program by Marquardt Corporation)
Hispasat_1A
Launch pad
Able Ablestar Agena Altair Burner FW-4D IABS PAM-D Star UM-129 Engines AJ10 B-8048 B-8081 B-8096 LE-5 LR-79 R-4D RL10 RS-27 RS-68 TR-201 Manufacturers
Vandenberg Space Launch Complex 6
Vandenberg_Space_Launch_Complex_6
American writer and producer (born 1943)
Achievement Award in 2014. His stories have even inspired R. L. Stine's Haunted Lighthouse, 4D movie-based attractions at SeaWorld (San Antonio and San
R._L._Stine
Form of electron microscopy
4D scanning transmission electron microscopy (4D STEM) is a subset of scanning transmission electron microscopy (STEM) which utilizes a pixelated electron
4D scanning transmission electron microscopy
4D_scanning_transmission_electron_microscopy
"signpost of bicycle route" (with distances) R-4d "arrow-shaped directional signpost of bicycle route with distance" R-4e "pre-signpost board of bicycle route"
Road_signs_in_Poland
single AJ10 engine provides the spacecraft's primary propulsion, while eight R-4D-11 engines and six pods of custom reaction control system (RCS) engines developed
List_of_crewed_spacecraft
US military communications satellite
cross-band X-band and Ka-band transponders. Propulsion is provided by an R-4D-15 apogee motor, with four XIPS-25 ion engines for stationkeeping. WGS-1
USA-195
3D printing that changes shape according to certain stimuli
4-dimensional printing (4D printing; also known as 4D bioprinting, active origami, or shape-morphing systems) uses the same techniques of 3D printing
4D_printing
NOAA weather satellite
transfer orbit. It was then raised into geostationary orbit by means of an R-4D-11 apogee motor. During the first burn of the apogee motor, an unusually
GOES_8
US military communications satellite
transponders, + 10meters solar panels. Propulsion will be provided by an R-4D-15 apogee motor, with four XIPS-25 ion engines for station keeping. WGS 12
WGS-12
3D graphics software
1994). "Aladdin 4D 3.0". Amiga World. Vol. 10, no. 6. IDG Publishing. pp. 17–19. ISSN 0883-2390. Mortier, R. Shamms (August 1995). "Aladdin-4D 4.0". Amazing
Aladdin4D
United States expendable launch vehicle
Able Ablestar Agena Altair Burner FW-4D IABS PAM-D Star UM-129 Engines AJ10 B-8048 B-8081 B-8096 LE-5 LR-79 R-4D RL10 RS-27 RS-68 TR-201 Manufacturers
Thor_DSV-2U
Non-airbreathing engine used to propel a missile or vehicle
film cooled combustion chamber with a radiatively cooled nozzle extension: R-4D storable propellant thrusters In all cases, another effect that aids in cooling
Rocket_engine
Communications satellite bus
had two 38 Ah NiH2 batteries. Its propulsion system was composed of two R-4D liquid apogee engines with a thrust of 490 N (110 lbf). It also had two axial
HS-393
US military communications satellite
cross-band X-band and Ka-band transponders. Propulsion is provided by an R-4D-15 apogee motor, with four XIPS-25 ion engines for stationkeeping. WGS-7
USA-263
Politics in the US state of Oregon
4D vacant 1898 Joseph Simon (R) 1899 Theodore Thurston Geer (R) Frank L. Dunbar (R) D. R. N. Blackburn (R) Charles S. Moore (R) John H. Ackerman (R)
Political party strength in Oregon
Political_party_strength_in_Oregon
American expendable launch vehicle
Able Ablestar Agena Altair Burner FW-4D IABS PAM-D Star UM-129 Engines AJ10 B-8048 B-8081 B-8096 LE-5 LR-79 R-4D RL10 RS-27 RS-68 TR-201 Manufacturers
Delta_N
Politics in the US state of Connecticut
(R) Lyman A. Mills (R) Huber Clark (R) Charles Phelps (R) Charles S. Mersick (R) Thompson S. Grant (R) 20R, 4D 180R, 69D, 3NatD Joseph R. Hawley (R) Orville
Political party strength in Connecticut
Political_party_strength_in_Connecticut
Uncrewed cargo spacecraft developed by JAXA
and HTV-4 used Aerojet's 110 N R-1E, Space Shuttle's vernier engine, and the 500 N based on the Apollo spacecraft's R-4D. Later HTVs used 500 N class HBT-5
H-II_Transfer_Vehicle
Politics in the US state of Alaska
coalition with a Republican House speaker, Tom Fink. The "no party" member, Frank R. Ferguson, was elected as a write-in after losing the Democratic primary as
Political party strength in Alaska
Political_party_strength_in_Alaska
American expendable launch vehicle
Able Ablestar Agena Altair Burner FW-4D IABS PAM-D Star UM-129 Engines AJ10 B-8048 B-8081 B-8096 LE-5 LR-79 R-4D RL10 RS-27 RS-68 TR-201 Manufacturers
Delta_J
Geostationary communications satellite
orbit backup for the JSAT fleet. Its propulsion system was composed of an R-4D-11-300 liquid apogee engine (LAE) with a thrust of 490 N (110 lbf). It also
JCSAT-4
American communications satellite
two solar arrays, which produce 2.8 to 3.2 kilowatts of power, while an R-4D-11-300 engine is present to provide propulsion. In 2015, NASA contracted
TDRS-13
Spanish communications satellite
of 1,100 kg. It was 3 axis stabilized. The satellite was propulsed by a R-4D-11 hypergolic engine (originally developed by Marquardt Corporation for its
Hispasat_1B
US military communications satellite
cross-band X-band and Ka-band transponders. Propulsion is provided by an R-4D-15 apogee motor, with four XIPS-25 ion engines for stationkeeping. WGS-6
USA-244
John Troup Shewmake (R) 4D, 2U, 2W 1852 Howell Cobb (CU) 39U, 8SR 104U, 29SR Robert M. Charlton (D) Franklin Pierce/ William R. King (D) Y 1853 Elihu
Political party strength in Georgia (U.S. state)
Political_party_strength_in_Georgia_(U.S._state)
US military communications satellite
cross-band X-band and Ka-band transponders. Propulsion is provided by an R-4D-15 apogee motor, with four XIPS-25 ion engines for stationkeeping. The agreement
USA-275
Numerical method for differential equations
{0} &\mathbf {0} &\mathbf {0} &0&0\end{array}}\right]\in \mathbb {R} ^{(4d+2)\times (4d+2)},} J = f x ( t n , y n ) a 1 = f ( t n , y n ) a 2 = f t ( t
Local_linearization_method
US military communications satellite
cross-band military X-band and Ka-band transponders. Propulsion is provided by an R-4D-15 apogee motor, with four XIPS-25 ion engines for stationkeeping. In 2012
USA-272
Melbourne prototype double deck electric multiple unit
The 4D was a one-off prototype double deck electric multiple unit built for the Public Transport Corporation in Victoria, Australia, for operation on the
4D_(train)
Retired expendable launch system in the Delta rocket family
assembled at ULA's factory in Decatur, Alabama. They were then loaded onto the R/S RocketShip, a roll-on/roll-off cargo vessel, and shipped to either launch
Delta_IV
Geostationary communications satellite
East position of the Superbird fleet. Its propulsion system included an R-4D-11 liquid apogee engine (LAE) with a thrust of 490 N (110 lbf). It included
Superbird-B
R 4D
R 4D
R 4D
R 4D
R 4D
R 4D
R 4D
R 4D
R 4D