| DHV hangglider test flight report |
|
Type designation
|
Alto L
|
|
Manufacturer
|
Icaro 2000 s.r.l.
|
|
Holder of certification in Germany
|
Icaro 2000 s.r.l.
|
|
Type test reference no
|
DHV 01-0502-23
|
|
Classification
|
3
|
|
Total weight in flight
|
90 Kg - 154 Kg
|
|
Number of seats
|
1
|
|
Maximum Speed (VNE)
|
90 km/h
|
|
Winch towing
|
Yes
|
|
Towing by microlight
|
Yes
|
|
 |
|
|
FEATURES
|
|
In-flight trimming devices
|
VG
|
|
Type of uprights
|
profiled
|
|
Type of A-frame base tube
|
speedbar
|
|
Special features
|
|
|
GROUND HANDLING AND TAKE-OFF
|
VG 30%
|
2
|
|
Static balance
|
slightly tailheavy
|
|
|
Aerodynamic balance
|
neutral
|
|
|
Take-off speed
|
average
|
|
|
STRAIGHT FLIGHT
|
VG 0%
|
VG 100%
|
3
|
|
Vmin (km/h)
|
35
|
31
|
|
|
Vmax (km/h)
|
88
|
108
|
|
|
Control bar pressure at 60 km/h
|
average
|
low
|
|
|
Control bar pressure at 80 km/h
|
high
|
average
|
|
|
Directional stability (yawing)
|
no yawing
|
good directional stability
|
|
|
HANDLING IN TURNS
|
|
|
2
|
|
Effort to enter turns
|
low
|
average
|
|
|
Effort to exit turns
|
low
|
low-average
|
|
|
Roll rate when increasing bank
|
short
|
average
|
|
|
Roll rate when reducing bank
|
short
|
average
|
|
|
Bank circling at V of min sink
|
slightly increasing
|
slightly increasing
|
|
|
STALL BEHAVIOUR
|
|
|
2
|
|
Straight flight, control bar slowly forward
|
deep stall, significant bar presure
|
|
|
|
Straight flight, control bar quickly forward
|
pitches down
|
pitches down
|
|
|
In turn, control bar slowly forward
|
no problem
|
dives in direction of turn
|
|
|
In turn, control bar quickly forward
|
dives in direction of turn
|
dives down over inner wing
|
|
|
Provoked spin
|
not possible
|
max. 1/4 turn possible
|
|
|
LANDING
|
VG 30%
|
2
|
|
Lenght of final glide
|
average
|
|
Point of flare
|
easy to find
|
|
V-tolerance to flare
|
average
|
|
Effort of flare
|
average
|
|
ADDITIONAL SAFETY RELATED REMARKS
|
|
|
|
