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Erickson S-64F+ Optionally Manned

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Erickson S-64F+ Optionally Manned

Old 25th Feb 2021, 21:02
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Erickson S-64F+ Optionally Manned

https://ericksoninc.com/a-vietname-h...kind-of-enemy/



chopper2004 is offline  
Old 26th Feb 2021, 07:12
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ok many questions:
How does the aircraft structure can receive the load at the those 4 points? (the place where the 4 cables seem to attach on the picture above)
With he force of the load not being vectored to a point close bellow the main transmission as the aircraft bank, wouldn't the aircraft be unstable?
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Old 26th Feb 2021, 09:48
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Originally Posted by Agile View Post
ok many questions:
How does the aircraft structure can receive the load at the those 4 points? (the place where the 4 cables seem to attach on the picture above)
With he force of the load not being vectored to a point close bellow the main transmission as the aircraft bank, wouldn't the aircraft be unstable?
I guess they could manage the length of each cable dynamically to stabilise the load - probably no harder than controlling a quad-copter - reliability might be an issue though.

Managing yaw would be more tricky
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Old 26th Feb 2021, 12:31
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All loads tend to spin underneath a single rotor helicopter. They may stabilise in forward flight either naturally or artificially but after coming to the hover it will start spinning again. You then have to have lines hanging from the sides or corners so that they can be grabbed by the ground party so they can line up and hold the load in the desired direction and position whilst it is lowered to the ground.

There seems nothing wrong with that four point slinging. The combination is going to be flown very gently so any severe manoeuvres are not going to happen.

Erickson, of all people, should know that it will work.
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Old 26th Feb 2021, 12:33
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The CH-54 was designed with four, 5000 lb each small hoists called load levelers. They were placed equidistant, fore and aft of the main rotor shaft. The picture that was posted has the cables attached to those locations. Certification of the CH-54 military and S-64 commercial models included flight loads survey testing utilizing those attachments.
I recall watching Jack Peterson and Jim Kay do the power off landing at 42k*. When they flared at the bottom, with just the load rack suspended from the load levelers, they just changed attitude-did not get any lift to speak of from the fuselage. Good landing though.
*Now that I think about it, I think the one I saw was the 54B/64F at 47k. The absence of fuselage lift makes the timing of the collective application critical.

Last edited by JohnDixson; 26th Feb 2021 at 12:51. Reason: additional thought
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Old 26th Feb 2021, 14:15
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1. It's a photoshop.
2. As John Dixson mentions, there is a 4 point load leveler system that can pick up cargo. However, prior to takeoff, the load levelers would hoist up the cargo and lock it into position so that the cargo becomes attached to the fuselage. Otherwise even slight maneuvers would cause the cargo to swing into the fuselage and damage the aircraft.
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Old 26th Feb 2021, 19:19
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Didn't the CH54B have a four point winch system in place of the load levelers?
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Old 27th Feb 2021, 08:35
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From what I remember the four point hoisting and locking was for a passenger pod.

They weren't in it when it was hoisted; they got in when the whole show was on the ground.
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Old 27th Feb 2021, 21:49
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The A had the 4 hoists and could load the “people pod “ as well as the B. Army only bought a few of the pods-perhaps 3-4?
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Old 28th Feb 2021, 06:48
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Originally Posted by JohnDixson View Post
The A had the 4 hoists and could load the ďpeople pod ď as well as the B. Army only bought a few of the pods-perhaps 3-4?
RNAS Culdrose, about 1973-74 when a German Sea King had to be airlifted out of field on the Lizard Peninsular after a dual engine off auto at night by Dave Mallock. Merc Enterprise rescue, Dave earned a well deserved AFC as did the RAN pilot who was in an 824NAS Sea King.







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Old 28th Feb 2021, 11:18
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Originally Posted by John Eacott View Post
RNAS Culdrose, about 1973-74 when a German Sea King had to be airlifted out of field on the Lizard Peninsular after a dual engine off auto at night by Dave Mallock. Merc Enterprise rescue, Dave earned a well deserved AFC as did the RAN pilot who was in an 824NAS Sea King.

Nice picture,on the 89+54 I made my last Seaking flight before leaving the Navy...

skadi
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Old 28th Feb 2021, 11:42
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Does Erickson intend to modify their existing commercial ones or do they plan to refurbish boneyard airframes for military use? What is this US Marines camo pattern about?
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Old 28th Feb 2021, 12:54
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Originally Posted by Less Hair View Post
Does Erickson intend to modify their existing commercial ones or do they plan to refurbish boneyard airframes for military use? What is this US Marines camo pattern about?
From the source linked in the original post:

"While a robot brain can increase pilot safety, the S-64 has two big challenges to overcomeóitís old and itís fuel hungry. Thatís why the company isnít just refurbishing the S-64. Instead, itíll manufacture a brand new aircraft, possibly up to 100 if the global firefighting effort demands it.

Apart from the Matrix control system, the S-64F+ will feature new in-house designed main rotor, new digitally-controlled turboshaft engines, a fly-by-wire flight control system, digital avionics, and an upgraded forward water cannon."

https://www.popularmechanics.com/mil...ix-helicopter/

The paint scheme is a nod to the remotely piloted Lockheed Martin/Kaman K-MAX UAS operated by the U.S. Marines.

https://www.lockheedmartin.com/conte...X-brochure.pdf

The S-64F+ may seem incredibly ambitious, because it is, but those who have followed Erickson over the last couple of decades are unlikely to doubt their capabilities.
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Old 28th Feb 2021, 12:57
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Erickson is not Sikorsky. This is why I asked. Building about a hundred sounds like being way beyond what they could do.
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Old 28th Feb 2021, 15:31
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Interesting......I wonder if Matrix has been programed with the same "I'm King Snot" attitude as most of the crane drivers I've met?
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Old 11th Mar 2021, 17:07
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Old Pharts like us are afraid of the whiz kids who could fly one within 10 minutes of being handed the controls.

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