| 词条 | Siemens-Schuckert R.V | |||||||||||||||
| 释义 |
The Siemens-Schuckert R.V was a bomber aircraft built in Germany during World War I.[5][6] It was one of six aircraft based on the Siemens-Schuckert R.I that were originally intended to be identical, but which each developed in a different direction and were designated as different aircraft types by the German Inspectorate of Flying Troops (the Idflieg).[7] Development of the R.V benefited from the experience that Siemens-Schuckert and the Idflieg had gained with the R.II, R.III, and R.IV, particularly in its choice of powerplants, where the R.V was spared from the troublesome Maybach HS engine.[8] Between September 1916 and February 1917, the aircraft saw service on the Eastern Front before it was damaged in an accident and dismantled for spare parts.[3] Design and developmentAs designed, the R.V was a large three-bay biplane with unstaggered wings of unequal span and a fully enclosed cabin.[8] Three 180-kW (240-hp) Maybach HS engines were mounted internally in the fuselage, and transmitted their power via driveshafts to two propellers mounted tractor-fashion on the interplane struts nearest the fuselage.[9] The main undercarriage consisted of divided units, each of which carried dual wheels, and the tail was supported by a pair of tailwheels.[8] The fuselage was forked into an upper and lower section, which allowed a clear field of fire to the rear of the aircraft.[1] The Maybach engines had been a never-ending source of trouble on the R.II, R.III, and R.IV, and by June 1916, Siemens-Schuckert had obtained permission from the Idflieg to substitute Benz Bz.IV engines on the R.III[10] The firm made the same change on the R.V, which was almost complete by then.[3] The substitution required an almost complete rebuild of the aircraft, and included adding an extra bay to the wings, increasing their span.[2] The Idflieg accepted the R.V in this form, after agreeing to a reduction in the aircraft's original specifications.[2] The Siemens-Schuckert R.II to R.VII were ordered in the G (Grossflugzeug - large aircraft) series and given serial numbers G.32/15 to G.37/15 respectively. These serials were changed on 13 July 1915 to G.33/15 - G.38/15, for unknown reasons and again on 6 November 1915 to R.2/15 - R.7/15 in the R (Riesenflugzeug - giant aircraft) series, adopting the R.II to R.VII designations.[11] Operational historySiemens-Schuckert delivered the R.V to the Riesenflugzeugersatzabteilung (Rea — "giant aircraft support unit") at Döberitz on 13 August 1916.[2] From there, it was assigned to Riesenflugzeugabteilung 501 (Rfa 501), and joined the squadron at Vilna on 3 September.[2] It was used operationally until the week of 14 February 1917, when the aircraft was severely damaged during a hard landing at night that fractured its fuselage.[2] The R.V was then dismantled and sent back to Döberitz where it could be used for spare parts for other Siemens-Schuckert bombers.[2] Specific details of several operational missions while with Rfa 501 have survived:[12]
Additionally, the R.V carried out the following raids together with the R.VI:[12]
Specifications{{aerospecs|ref=Kroschel & Stützer 1994, p.141 |met or eng?=met |crew=4 |capacity= |length m=17.7 |length ft=58 |length in=1 |span m=34.33 |span ft=112 |span in=8 |swept m= |swept ft= |swept in= |rot number= |rot dia m= |rot dia ft= |rot dia in= |dia m= |dia ft= |dia in= |width m= |width ft= |width in= |height m=4.6 |height ft=15 |height in=8 |wing area sqm=177 |wing area sqft=1,910 |swept area sqm= |swept area sqft= |rot area sqm= |rot area sqft= |volume m3= |volume ft3= |aspect ratio= |wing profile= |empty weight kg=5,300 |empty weight lb=11,600 |gross weight kg=6,766 |gross weight lb=14,885 |lift kg= |lift lb= |eng1 number=3 |eng1 type=Benz Bz.IV |eng1 kw=150 |eng1 hp=200 |eng1 kn= |eng1 lbf= |eng1 kn-ab= |eng1 lbf-ab= |eng2 number= |eng2 type= |eng2 kw= |eng2 hp= |eng2 kn= |eng2 lbf= |eng2 kn-ab= |eng2 lbf-ab= |max speed kmh=132 |max speed mph=83 |max speed mach= |cruise speed kmh= |cruise speed mph= |stall speed kmh= |stall speed mph= |range km=480 |range miles=300 |endurance h= |endurance min= |ceiling m=3,000 |ceiling ft=9,800 |g limits= |roll rate= |glide ratio= |climb rate ms= |climb rate ftmin= |sink rate ms= |sink rate ftmin= |armament1=3 × 7.9-mm machine guns |armament2=500 kg of bombs |armament3= |armament4= |armament5= |armament6= }}{{aircontent |see also= |related= |similar aircraft= |lists= }} Notes1. ^1 Grey & Thetford 1962, p.572 2. ^1 2 3 4 5 6 Haddow & Grosz 1963, p.189 3. ^1 2 Haddow & Grosz 1963, p.188–89 4. ^Haddow & Grosz 1963, p.180 5. ^Taylor 1989, p.808 6. ^The Illustrated Encyclopedia of Aircraft, p.2920 7. ^Haddow & Grosz 1963, p.184 8. ^1 2 Haddow & Grosz 1963, p.188 9. ^Haddow & Grosz 1963, p.174 10. ^Haddow & Grosz 1963, p.186–87 11. ^Haddow & Grosz 1963, p.184 12. ^1 Haddow & Grosz 1963, p.56 References{{commons category|Siemens-Schuckert aircraft}}
5 : German bomber aircraft 1910–1919|Siemens-Schuckert aircraft|Three-engined twin-prop tractor aircraft|Biplanes|Aircraft first flown in 1916 |
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