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The French-originated Arsenal-Delanne 10 prototype fighter featured a rather unique wing biplane wing arrangement, seating the pair in tandem.
Detailing the development and operational history of the Arsenal-Delanne 10 Experimental Biplane Fighter Prototype. Entry last updated on 5/19/2018. Authored by Staff Writer. Content ©www.MilitaryFactory.com
Design work on the Model 10 is attributed to Maurice Delanne with Arsenal de l'Aeronautique providing its production services concerning the prototype. In this way, the aircraft came to carry both the names of the company as well as the designer.
The Model 10 was certainly a strange-looking airplane for it attempted a unique wing mainplane arrangement (tandem-mounted, or 'Nenadovich' configuration) that made it technically categorized as a "biplane". One set of mainplanes was fitted forward of midships and over the fuselage, supported by parallel struts emanating from the low sides of the fuselage. A second set of mainplanes was featured at the aft end of the fuselage (where horizontal tailplanes would have been traditionally held) and mid-mounted along the fuselage sides. To these planes were added vertical surfaces at the wingtips for additional stability and control. One other unique facet of the Model 10's design was the placement of the two-seat cockpit (tandem seating) - this at the extreme aft-end of the fuselage and under heavy framing. Its location was intended to provide the best possible vision for the rear gunner as it theoretically offered a commanding view of the action behind the aircraft.
All other characteristics of the aircraft were consistent with the period - enclosed cockpit, front-mounted engine driving a propeller and all-metal construction.
As built, the Model 10 sported an overall length of 24 feet, a wingspan of 33.1 feet and a height of 9.9 feet. Power was from a single Hispano-Suiza 12Ycrs liquid-cooled V12 engine outputting 860 horsepower and driving a three-bladed propeller at the nose.
Proposed armament was 1 x 20mm cannon in a fixed, forward-firing mounting in the fuselage along with 2 x 7.5mm MAC 1934 machine guns fitted on set of wings (it is unknown which wing structure would have carried the wing-mounted machine guns). The rear gunner would have had access to 2 x 7.5mm MAC 1934 machine guns fitted to a flexible mounting for training the guns onto targets attempting to approach the fighter from the rear. The armament suite was never fitted to the prototype.
The Model 10 prototype (Model 10-C2) was nearing completion at the Arsenal facility in Villacoublay outside of Paris when the German Army rolled into the area and claimed the work during June of 1940. As such, from that period onwards, work was allowed to continue on the fighter but the project had lost its energy for the French engineers. A first-flight was finally had, this during October of 1941, and the flight testing schedule was allowed to see completion. Sometime during July of 1943 the sole specimen was transferred by DFS to German soil for what is perceived to be additional testing and evaluation. It does not appear that any additional notable work on the design was had from then on.
As tested, the Model 10 was able to reach speeds of 342 miles per hour and fly for up to 1.5 hours. Its service ceiling reached 32,810 feet.
Any available statistics for the Arsenal-Delanne 10 Experimental Biplane Fighter Prototype are showcased in the areas immediately below. Categories include basic specifications covering country-of-origin, operational status, manufacture(s) and total quantitative production. Other qualities showcased are related to structural values (namely dimensions), installed power and standard day performance figures, installed or proposed armament and mission equipment (if any), global users (from A-to-Z) and series model variants (if any).
Our Data Modules allow for quick visual reference when comparing a single entry against contemporary designs. Areas covered include general ratings, speed assessments, and relative ranges based on distances between major cities.
Relative Maximum Speed Rating
This entry's maximum listed speed (342mph).
Graph average of 300 miles-per-hour.
Graph showcases the Arsenal-Delanne 10's operational range (on internal fuel) when compared to distances between major cities.