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Directional control surfaces:
Fins - - - - - - - - - - -  7.2 sq. ft.
Rudders, balanced area:
3.95 sq. ft. - - - - - -  10.7 sq. ft.

Rigging:
Thrust line horizontal.
Main plane incidence - -  4° 35'
Dihedral - - - - - - - -  30° 30'
Stagger - - - - - - - -     22"
ail plane incidence:
Maximum - - - - - - -  5°
Minimum - - - - - - -  2°
Propeller clearance - - -  7 in.
CLIMBING TESTS.
Standard Height | Time from start. | Rate of climb. |  R.P.M. | Indicated air speed | % of Standard Density | Petrol Consumption.
Stationary on ground. | Min. Sec. | Ft/min. | (1570) | | 102.5% | Gal/hr.
1000 ft. | | 37 | 1560 | | | 99.4% | "
2000 ft. | 1 | 15 | 1500 | 1568 | 78.5 | 96.3% | "
3000 ft. | 1 | 53 | 1435 | | | 93.2% | "
4000 ft. | 2 | 35 | 1380 | 1565 | 78 | 90.3% | "
5000 ft. | 3 | 20 | 1305 | | | 87.4% | "
6000 ft. | 4 | 10 | 1245 | | | 84.5% | "
7000 ft. | 5 | 0 | 1180 | | | 81.8% | "
8000 ft. | 5 | 55 | 1120 | 1560 | 76 | 79.2% | "
9000 ft. | 6 | 50 | 1035 | | | 76.5 % | "
10000 ft. | 7 | 50 | 990 | 1555 | 75 | 74.0% | "
11000 ft. | 8 | 55 | 925 | | | 71.7% | "
12000 ft. | 10 | 0 | 860 | 1550 | 73.5 | 69.5% | "

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