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N.28 Flight Test Report, Oct/Nov 1917


This test report is for the 2nd prototype N.28 which had no diehedral. This airplane was fitted with one machine gun and two 25L reserve tanks (one on either side of the pilot's seat) in addition to the main fuel tank. The USAS version had diehedral and a second Vickers. The installation of the second vickers required the removal of the 25L reserve tank on the left side of the pilot's seat.

The copy from which this electronic file was made is in the collection of the National Air and Space Museum and was located with the generous assistance of Theodore Hamady. The report to which this is an appendix is not available. Typo's, misspellings and the like were left uncorrected. There were however several empty blanks on the test cards which were not included as they provided no information. A portion of the original which was not legible was also not included.


Appendix No.2

TESTS MADE WITH AIRPLANE Nie.28 C 1 (NO DIEHEDRAL).

October 1917.


APPENDIX No. 2, October 1917.

ARMY AIR SERVICE, TECHNICAL SECTION DEPARTMENT OF TESTS


NIEUPORT AIRPLANE

TYPE: Nie. 28 C 1. (Dihedral nul) ENGINE: Gnome, single valve, Type 9N.

REPORT OF TESTS

Place: Villacoublay Date: October 14, 1917. Name of pilot: Mallard LOAD: 228 kgs. PROPELLAR: Levasseur Series: 592 No.(Test)

ALTITUDES (1)       DURATION OF ASCENT             HORIZONTAL SPEED
in meters           Minutes    R.P.M (2)       Km per hour    R.P.M.(2)
1,000 2'25" 1250 2,000 5'15" 1240 198 1380 3,000 8'55" 1220 194 1360 4,000 13'25" 1210 189 1335 5,000 20'20" 1200 179 1290

Maximum altitude: 6800 m
REMARKS
(1) Standard Altitude
(2) Revolutions of engine.


ARMY AIR SERVICE, TECHNICAL SECTION
DEPARTMENT OF TESTS

NIEUPORT AIRPLANE

TYPE: Nie. 28 C 1. (Dihedral nul) ENGINE: Gnome, single valve Propellar: GALLIA Series 24.

REPORT OF CONTROLLABILITY TEST.

Pilot: 2nd Lt. Bourgecia Place: Villacoublay Date: November 7, 1917.

ACTION OF THE CONTROLS (1)
  1). Depth.................Good
  2). Wing warping..........Good
  3). Rudder................Good
  4). In turning............This airplane dips and recovers with the
                            rudder alone.

REACTION OF THE CONTROLS (2) 1). Depth.................Easy 2). Wing warping..........Fairly easy 3). Rudder................Easy 4). On the whole (3)......The airplane is not fatiguing to pilot.

STABILITY (4) 1). Longitudinal .........Good. The airplane takes the angle of ascent and maintains it. With the engine stopped it decends in a normal manner. 2). Transversal ..........Good. 3). Rudder................Good. The airplane does not slide.

STARTING: Operation on the ground...Easy. The machine leaves the ground smoothly. Rapidity of start.........Takes off rapidly

LANDING: Ease of recovery..........Recovers easily. Wheel brake...............Rolls very little and stops slowly. Danger of capsizing.......Tail Heavy.

Other Remarks: Visibility: Fairly Good.

Signature of the pilot
Signed: BOURGEOIS.

(1) State whether or not the airplane responds well to the controls in ascending, on the level and in descent.
(2) Mention the stresses transmitted by the controls.
(3) State whether or not the airplane is fatiguing to pilot.
(4) State whether or not the airplane returns to the correct position of it's own soon after small moves.


The Nieuport 28 Page

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