RJ-5 Ross   

General Details
Manufacturer: Ross
Plane Name:


Classified as: Unclassified
Country Of Origin: U S A
Designer: Harold Ross
No. of Seats 1
No. Built 1
L/DMax: 37 85 kph / 37 kt / 53 mph
MinSink: 0.61 m/s / 2.0 fps / 1.18 kt


Span Area Empty Weight Payload Gross Weight Wing Load Water Ballast
m ft sq.m sq.ft kg lb. kg lb. kg lb. kg
kg lb.
16.76 55 11.61 125 295 650 91 200 386 850 33.25 6.8 0 0
Aspect ratio: 24.2
Airfoil: NACA 63 (2)-615
Structure: all metal

The RJ-5 became one of the world’s most famous sailplane when Dick Johnson flew it 861 km/ 535 miles in 1951 for a world sitance record that stood for 13 years. It was one of the first sailplanes to utilize a laminar airfoil and to archieve a glide ratio of 40 to 1. The original design was almost entirely that of Harland Ross, whom Johnson commissioned to build it in 1948. Johnson took delivery of the semi-complete ship in 1950 and finished it at Mississippi State University, incorporated some changes of his own. With it he won the 1950, 1951, 1952 and 1954 Nationals and set a 510/ 317 miles National goal record, a 584 km/ 363 miles National distance record, a 85.0 kph/ 45.9 kt/ 52.8 mph 100 km. Triangular speed course record as well as the world distance record. The wood fuselage and tail were badly damaged later in an accident so the then owner had an-all metal fuselage and tail built, designed by Adnan Kisovec (thus the K in the later designation). The ship originally used a takeoff dolly, but the fuselage was later modified to incorporate a Schweizer 1-34 retractable landing gear. The accompanying information is for the RHJ-5 in that configuration, which includes airbrakes. It now belongs to the National Soaring Museum, which has a project under way to build a replacemant original fuselage and tail.


Your Comments:
Restoration of RJ-5 - 198 - Posted by: ChrisK (28/Feb/2003) Reply

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