| DHV PG Test flight
2003 data |
| Take off |
| Take off
class. |
2 |
| Inflation |
evenly, immediately |
| Rising behaviour |
overshoots, symmetric action on the
controls necessary |
| Take off speed |
average |
| Take off handling |
average |
| Straight
flight |
| Straight flight class. |
2 |
| Speed range |
high |
| Roll damping |
average |
| Pitch damping |
slight |
| Yaw stability |
average |
| Turn
handling |
| Turn handling class. |
2 |
| Spin tendency |
average |
| Control travel |
average |
| Agility |
average |
| Control pressure increase |
high |
| Control without brakes |
control through rear risers
possible |
| Symmetric
stall |
| Deep-stall limit |
2-3 |
| Deep-stall limit |
early < 60 cm |
| Full stall limit |
early < 65 cm |
| Full stall with full steering
way |
yes, soft stall |
| Falling back |
average |
| Increase in steering power |
high |
| Front
collapse |
| Front collapse class. |
2 |
| Effort |
average |
| Pre-acceleration |
average |
| Opening behaviour |
spontaneous, delayed |
|
|
| Front collapse
(accelerated) |
| Front collapse accelerated
class. |
2-3 |
| Effort |
average |
| Pre-acceleration |
average |
| Opening behaviour |
spontaneous, delayed |
| |
|
| Asymmetric
collapse |
| Asymmetric collapse class. |
2-3 |
| Turn tendency |
90 - 180 degrees |
| Change of course |
90 - 180 degrees |
| Rate of turn |
high |
| |
with deceleration |
| Max. roll/pitch angle |
greater than 45 degrees |
| Loss of altitude |
average |
| Stabilization |
spontaneous |
| Opening behaviour |
spontaneous, delayed |
| |
|
| Asymmetric collapse
(accelerated) |
| Asymmetric collapse acc. class. |
2-3 |
| Turn tendency |
90 - 180 degrees |
| Change of course |
90 - 180 degrees |
| Rate of turn |
high |
| |
with deceleration |
| Max. roll/pitch angle |
greater than 45 degrees |
| Loss of altitude |
average |
| Stabilization |
spontaneous |
| Opening behaviour |
spontaneous, delayed |
| |
|
| Countersteering an
asymmetric collapse |
| Countersteering an asymmetric
collapse class. |
2 |
| Stabilization |
countersteering easy |
| Control travel |
average |
| Control pressure increase |
high |
| Turn in opposite direction |
easy, no tendency to stall |
| Opening behaviour |
spontaneous, delayed |
| |
|
| Full stall, symm.
exit |
| Fullstall, symm. exit class |
2 |
| Behaviour |
nervous |
|
- |
|
|
| Reaction |
average shoot forward |
|
no collapse |
| Turn tendency |
no turn |
| Rate of turn |
|
|
|
| Loss of altitude |
|
| Stabilization |
|
| Opening behaviour |
|
|
|
| Spin out of straight
flight |
| Spin out of straight flight
class. |
2 |
| Rate of turn |
average |
| Exit |
turn continues through < 90
degrees |
| Reaction |
average shoot forward to one
side |
| |
no collapse |
| Turn tendency |
no turn |
| Rate of turn |
|
| |
|
| Loss of altitude |
|
| Stabilization |
|
| Opening behaviour |
|
| |
|
| Spin out of
turn |
| Spin out of turn class. |
2 |
| Reaction |
average shoot forward to one
side |
|
no collapse |
| Turn tendency |
no turn |
| Rate of turn |
|
|
|
| Loss of altitude |
|
| Stabilization |
|
| Opening behaviour |
|
|
|
| Spiral
dive |
| Spiral dive class. |
2 |
| Entry |
average |
| Spin tendency |
average |
| Exit |
turn continues through 180 - 360
degrees |
| Sink rate after 720 °[m/s] |
12 |
| B-line
stall |
| B-line stall class. |
2-3 |
| Entry |
demanding |
| Exit |
spontaneous |
| Big ears |
| Big ears |
2 |
| Entry |
easy |
| Recovery |
not spontaneously |
| Big ears
accelerated |
| Big ears acc. class. |
2 |
| Entry |
easy |
| Recovery |
not spontaneously |
| Landing |
| Landing class. |
2 |
| Point of flare |
average |
| Landing speed |
average |
| Landing behaviour |
average |
