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First Helicopter Selection Guide • Gym flyer 2.2.4. Ikarus ECO Lite • Only for experienced pilots - only does forward flight • Inexpensive (retail about $140) • Somewhat fragile, same weakness as ECO 8. • Manufacturer in Germany. Parts availability spotty, • 1150 grams AUW, 760mm rotor diameter, 6-8 SubC cells • Doesn't hover. Forward flight only. • Backyard flyer. 2.2.5. Ikarus ECO 8 • Duration flying/slope soaring/moderate aerobatics capable • Moderately inexpensive (retail about $180) • Somewhat fragile - stock (non-hardened) main rotor shaft, feathering shaft and tail rotor shafts bend easily, frame and landing gear not very strong • Manufacturer in Germany. Parts availability spotty, up to 4 weeks wait time for some parts. • 1300-1500 grams AUW, 1060mm rotor diameter, 6-12 SubC cells • Large, high headspeed, easy to learn hovering • Backyard flyer 2.2.6. Ikarus ECO 16 • Moderate to serious aerobatics capable • Moderately inexpensive(retail about $250) • Somewhat fragile- a little more than ECO 8 because using the same parts for heavier helicopter • Manufacturer in Germany. Parts availability spotty, up to 4 weeks wait time for some parts. • 2000 grams AUW, 1200mm rotor diameter, 12-20 SubC cells • Large,high headspeed, easy to learn hovering • Large field flyer 2.2.7. Ikarus Viper 70/MS Composit Stinger 3 5
