Turn Rate
Each aircraft was loaded with 10 minutes worth of fuel and air starts
at various altitude were used. The aircraft were allowed to reach 100mph,
and were then turned left. The sustained turn rate was recorded.
Each test was run twice. The aircraft were turned for at least two 360
degree turns until the speed stabilised. An average of the next two or three
turns was taken. The speed at which the aircraft stabilised was a few miles
per hour above stall speed in a turn. That speed:
A) is "right at the edge" with the stall "flutter"
sounding.
B) varied with altitude and will vary with fuel loads "in the field".
Turn Rate LEFT |
|
Aircraft |
1,000ft |
2,500ft |
3,750ft |
5,000ft |
8,000ft |
Halberstadt CLII |
12.8s |
13.5s |
14.4s |
16.2s |
17.3s |
Sopwith F.1 Camel |
13.8s |
14.5s |
15.6s |
16.6s |
17.7s |
Albatros D.Va |
14.4s |
15.1s |
16.2s |
17.4s |
18.7s |
Fokker DVII |
15.0s |
15.5s |
15.9s |
16.8s |
19.2s |
Spad VII |
15.7s |
16.3s |
17.4s |
18.6s |
20.6s |
R.A.F. SE5a |
17.3s |
18.0s |
18.3s |
19.0s |
21.3s |
Fokker Dr.1 |
18.7s |
19.5s |
20.3s |
21.3s |
23.6s |
Bristol F.2B |
18.9s |
19.6s |
20.3s |
21.6s |
23.6s |
Spad XIII |
20.3s |
21.4s |
21.8s |
22.6s |
25.9s |
|