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Howe, D. (author)
The area of the 80 PNdB noise footprint of subsonic jet transport aircraft has been evaluated using a simple expression for powerplant noise level. The parameters varied were the bypass ratio, field length, climb out and descent angle, installed thrust, standard of engine acoustic treatment and the rate of noise attenuation. Curves are presented...
report 1974
document
Howe, D. (author)
The results of a series of design studies of short haul transport aircraft in the RTOL, STOL and VTOL categories have been analysed to establish their respective performance penalties relative to CTOL types. The main criteria used for comparison are weight, direct operating costs and 80 PNdB noise footprint areas but some consideration is also...
report 1974
document
Howe, D. (author)
The E67 design was for a vertical take off and landing aircraft for executive use. Vertical flight capability was achieved by using the tilt wing concept. In the initial version of the design power was provided by two Rolls Royce H1400 Gnome turbo shaft engines driving two 16 ft. diameter propellers. Cross shaft interconnection between the...
report 1973
document
Howe, D. (author)
This report discusses the design characteristics of future short haul transport aircraft intended to operate from runways of reduced length relative to those used at the present time. Particular attention is paid to passenger comfort considerations and the influence these have on the take off and landing performance. The results presented show...
report 1973
document
Howe, D. (author), Ward, R.E. (author)
The interest in STOL airliners was reflected in the choice of a 100-118 passenger short range aircraft of this type as the 1971 design project. In addition to the use of the study for detailed investigation by the students of Aircraft Design it also served as the basis for an investigation of the low speed lift and control problems of STOL...
report 1972
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Howe, D. (author)
The empirical trend of the empty weight ratio of long range subsonic jet transports is analysed in order to enable the cruise performance of very large aircraft to be predicted. Each of the main items which go to make up the empty weight is dealt with individually in order that the effect of size on each can be established. Consideration is...
report 1971
document
Howe, D. (author)
A design study of a counter insurgency aircraft with a suction boundary layer controlled wing to give high lift has been undertaken. The work was carried out by the students in the Department of Aircraft Design during the 1966 academic year and was intended to provide evidence on the feasibility of the configuration employed. The aircraft has a...
report 1970
document
Howe, D. (author)
A preliminary survey of the possible applications of variable sweepback indicated that a substantial improvement in performance can be expected when the concept Is applied to a naval strike aircraft. In order to assess this performance gain and to obtain experience of the engineering problems involved, the subject of the design study by the...
report 1968
document
Howe, D. (author)
The College of Aeronautics was founded in 1946 and was granted university status in 1969 becoming the Cranfield Institute of Technology. In 1993 it changed its name to Cranfield University.
report 1967
document
Howe, D. (author)
The College of Aeronautics was founded in 1946 and was granted university status in 1969 becoming the Cranfield Institute of Technology. In 1993 it changed its name to Cranfield University.
report 1965
document
Howe, D. (author)
The College of Aeronautics was founded in 1946 and was granted university status in 1969 becoming the Cranfield Institute of Technology. In 1993 it changed its name to Cranfield University.
report 1963
document
Newell, A.F. (author), Howe, D. (author)
The College of Aeronautics was founded in 1946 and was granted university status in 1969 becoming the Cranfield Institute of Technology. In 1993 it changed its name to Cranfield University.
report 1962
document
Howe, D. (author)
The College of Aeronautics was founded in 1946 and was granted university status in 1969 becoming the Cranfield Institute of Technology. In 1993 it changed its name to Cranfield University.
report 1957
document
Howe, D. (author)
The College of Aeronautics was founded in 1946 and was granted university status in 1969 becoming the Cranfield Institute of Technology. In 1993 it changed its name to Cranfield University.
report 1956
document
Howe, D. (author)
The College of Aeronautics was founded in 1946 and was granted university status in 1969 becoming the Cranfield Institute of Technology. In 1993 it changed its name to Cranfield University.
report 1956
document
Howe, D. (author)
The College of Aeronautics was founded in 1946 and was granted university status in 1969 becoming the Cranfield Institute of Technology. In 1993 it changed its name to Cranfield University.
report 1953
document
Howe, D. (author)
The root constraint problem associated with iiniform rectangular swept boxes, having ribs normal to the spars is considered. A strain energy method using self-equilibrating internal end load systems is used. Solutions are presented for the cases of a single cell box having either all ribs rigid, or the root rib flexible. In addition, a...
report 1953
document
Howe, D. (author)
This report is concerned with the application of various theories to the solution of problems investigated experimentally, and in some cases theoretically, by others at the College of Aeronautics. The following work is considered: -A single cell swept wing with ribs normal to the spars, a strain energy solution, allowing for a flexible root rib...
report 1953
document
Howe, D. (author)
The College of Aeronautics was founded in 1946 and was granted university status in 1969 becoming the Cranfield Institute of Technology. In 1993 it changed its name to Cranfield University.
report 1953
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