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#1 |
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Hehe. I finally dared to hover my helicopter inverted. At first I only dared do it for a couple of seconds but as I got comfortable with it I realized it's not difficult so I can hover inverted for as long as I want now. I still don't dare take it down low though. Babysteps.
Here's a video of a short flight where I flip it around and hover a little. The tail servo is a little slow so it tosses the tail out occasionally when I'm doing quick stuff. I have ordered a better servo: www.enrarot.net/videos/eco8/eco10.wmv |
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#2 |
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#4 |
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#5 |
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It costs ~$2000 for a complete heli setup like this. This is a fairly cheap model but I have high quality electronics in it. Bought the basic heli frame from www.fxaeromodels.com
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#6 |
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It costs ~$2000 for a complete heli setup like this. This is a fairly cheap model but I have high quality electronics in it. Bought the basic heli frame from www.fxaeromodels.com |
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#7 |
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#10 |
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ehm, make them turn the other way? ![]() ![]() |
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#11 |
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I'll be receiveing my Belt-CP in a few days.
CP helicopter, which tilt the blade, can tilt the blade the way that the wind blows upward. That's why you can fly inverted. For more, what can be done, check this video. |
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#12 |
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For more, what can be done, check this video. ![]() That guy has some skill. I think the inverts and twisting just before 3 mins in the vid is the best bit. That helo sure had some power. |
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#13 |
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For more, what can be done, check this video. |
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#15 |
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I'm amazed that people actually believe the rotor spins the other way round to fly inverted. [thumbup]
The RPM is constant. The blade pitch is variable. I have ~12° positive and negative collective pitch on my heli the way it's set up now and the blade profile is symmetrical. Flying inverted isn't much different form flying upright. The rotor disc is an incredibly stable gyro. Full size helicopters can't fly inverted because they don't have the negative pitch range, the rotor system wasn't made for strong negative loads, the engines and other systems usually can't handle prolonged negative G, and the blades aren't symmetrical. full size helicopters are utility aircraft, not thoroughbred aerobatic machines like RC helicopters are. |
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#16 |
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