warrior29
Senior Heliman
Location: FL
| This guy is a joke and just trying to make a quick buck from those that don't understand anything about helicopters. If you note the electric motor on the nose,is not even running, most of the time. Below is the true test to increase helo's Vh.
Piasecki X-49A Speeedhawk Compound Helicopter: 250-mph Black Hawk?
Piasecki Aircraft Corp. (PAC) has designed and developed a compound helicopter called the X-49A Speedhawk, which utilizes a Sikorsky YSH-60F Seahawk helicopter as the base airframe. The Seahawk is a marine version of the UH-60 Black Hawk heliocopter series. The Speedhawk's "compound" aspect is comprised of wings for additional lift and a vectored-thrust ducted propellor (VTDP) for additional propulsion and control, the whole idea of which is to make the helicopter significantly faster so it's correspondingly significantly harder to hit from the ground by the enemy. A faster helo means less time for the enemy to react and target it.
[url=http://www.youtube.com/watch?v=Yu2CwHwxJYA]
In forward flight, the Piasecki VTDP system provides significant forward thrust power while the wings take on a significant percentage of the lift role, so the helicopter is no longer relying solely on the main rotor for both functions. In other words, the...
main rotor gets a lot of help, so the helicopter can fly much faster with less effort. The vectored-thrust aspect handles the anti-torque/anti-rotation role of the traditional rear rotor blade while in hover mode.
The Piasecki-Sikorsky X-49A Speedhawk VTDP tech demonstrator has already flown over 200 mph, albeit in a "slight descent". It accomplished this feat during a flight test on October 08, 2007. The Speedhawk achieved a speed speed of 177 knots, which translates to 203.69 mph. Not bad, but since the non-compound/standard SH-60 Sea Hawk Helicopter's top speed has been listed at 180 mph, we're guessing that a compound version utilizing the same airframe--like the Speedhawk VTDP compound helicopter, for instance--once fully-developed, will be able to fly significantly faster than that. We'll just have to see.
Credit card can't be max'ed I have more up grades to buy! |
