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Gradient Aspen 4 Paraglider

Specs, test data and other useful information on the Gradient Aspen 4.

Gradient Aspen 4 Paraglider
A picture of relaxed flying... What other mode of flight offers you an aerial armchair? (Oh OK, there was that guy in the US who took off under a huge bunch of helium balloons. Not so relaxed, I would think, being at the mercy of the prevailing wind direction!)
(Source: para2000.org)

Year of Manufacture 2012
Certification EN C
Size 26





Price

Note: These international prices for the Gradient Aspen 4 paraglider are only a guide. They are Jan 2012 currency conversions from the 2012 price in Euros.
Euros 3680 EUR
U.S. Dollars 4700 USD
British Pounds 3000 GBP
Australian Dollars 4500 AUD
South African Rand 37700 ZAR
Indian Rupees 238000 INR
South Korean Won 5370000 KRW


Some Specs

pilot take-off weight 85-105 kg (188-232 lbs)
wing weight 5.4 kg (11.9 lbs)
wing area (flat) 25.9 m² (279 ft²)
wing area (projected) 22.4 m² (241 ft²)
wing span (flat) 12.5 m (41 ft)
wing span (projected) 10.0 m (33 ft)
aspect ratio (flat) 6
aspect ratio (projected) 4.5
min sink 1.0 m/s (197 fpm, 3.6 kph, 1.9 knts)
best glide ratio ???:1
speed min ?? kph (?? mph, ?? knts)
speed trim 39 kph (24 mph, 21 knts)
speed max 58 kph (36 mph, 31 knts)


Some EN Test Results

take-off - rising behaviour smooth, easy and constant rising
take-off - special technique? no
landing - special technique? no
speed range > 10 kph using controls yes
roll stability and damping - oscillations reducing
gentle spirals - return to straight flight spontaneous exit
steep banks - sink rate after 2 turns more than 14 m/s
symmetric front collapse - entry rocking back less than 45 degrees
symmetric front collapse - recovery Spontaneous in less than 3 sec
full stall - dive forward angle 0 - 30°
full stall - collapse? no
full stall - rocking back less than 45°
asymmetric collapse 50% - attitude max dive or roll 0 to 15°
asymmetric collapse 50% - re-inflation spontaneous
asymmetric collapse 50% - total course change less than 360°
asymmetric collapse 75% - attitude max dive or roll 15 to 45°
asymmetric collapse 75% - re-inflation spontaneous
asymmetric collapse 75% - total course change less than 360°
maintained collapse - able to maintain course yes
maintained collapse - 180° turn away yes, under 10 seconds
tends to spin at low speed? no
after release from developed spin stops spinning in less than 90°
B-line stall, before release - course change less than 45°
B-line stall, before release - behavior remains stable with straight span
B-line stall, after release - recovery spontaneous in less than 3 sec.
B-line stall, after release - dive angle 0 to 30°
big ears - entry procedure standard technique
big ears - behavior stable flight
big ears - recovery spontaneous in less than 3 sec.
big ears - dive forward on exit 0 to 30°
steep spiral - exit behavior spontaneous exit
steep spiral - recovery turn angle less than 720°, spontaneous recovery
All the above were recorded when this Gradient paraglider was flown at max weight.


Color Schemes

The simple graphics below represent the available color schemes for the Gradient Aspen 4. Colors are only approximate, and so is the outline of the wing. But it gives you some idea.
name upper lower
Sangria
Blue
Gold
White


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