| DHV hangglider test flight report |
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Type designation
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Alto S
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Manufacturer
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Icaro 2000 s.r.l.
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Holder of certification in Germany
|
Icaro 2000 s.r.l.
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Type test reference no
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DHV 01-0511-26
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Classification
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2-3
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Total weight in flight
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75 Kg - 115 Kg
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Number of seats
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1
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Maximum Speed (VNE)
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90 km/h
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Winch towing
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Yes
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Towing by microlight
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Yes
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|
 |
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FEATURES
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In-flight trimming devices
|
VG
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Type of uprights
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profiled
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Type of A-frame base tube
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speedbar
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Special features
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GROUND HANDLING AND TAKE-OFF
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VG 33%
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2
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Static balance
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slightly tailheavy
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Aerodynamic balance
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neutral
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Take-off speed
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average
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STRAIGHT FLIGHT
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VG 0%
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VG 100%
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2--3
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Vmin (km/h)
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29
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28
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Vmax (km/h)
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80
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>90
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Control bar pressure at 60 km/h
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average
|
low
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Control bar pressure at 80 km/h
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high
|
average
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Directional stability (yawing)
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no yawing, pilot induced yaw oscillations possible
|
no yawing
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HANDLING IN TURNS
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2
|
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Effort to enter turns
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low
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low-average
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Effort to exit turns
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low
|
low-average
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Roll rate when increasing bank
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short
|
short-average
|
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Roll rate when reducing bank
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short
|
short-average
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Bank circling at V of min sink
|
neutral
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slightly increasing
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STALL BEHAVIOUR
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|
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2
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Straight flight, control bar slowly forward
|
no problem
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instable deep stall
|
|
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Straight flight, control bar quickly forward
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no problem
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pitches down distinctly
|
|
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In turn, control bar slowly forward
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no problem
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mush-turn
|
|
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In turn, control bar quickly forward
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no problem
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mush-turn
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|
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Provoked spin
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not possible
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max. 1/2 turn possible
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|
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LANDING
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2
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Lenght of final glide
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average
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Point of flare
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easy to find
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V-tolerance to flare
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average
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Effort of flare
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average
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ADDITIONAL SAFETY RELATED REMARKS
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|
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