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Search: Posts Made By: SansAnhedral
Showing results 1 to 35 of 35
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Forum: Rotorheads
20th Apr 2022, 20:03
Replies: 444
Views: 155,153
Posted By SansAnhedral

https://cimg5.ibsrv.net/gimg/pprune.org-vbulletin/...

https://cimg5.ibsrv.net/gimg/pprune.org-vbulletin/858x726/ads_33_1c300664caf6b84b9ca2e638cef33a8b65cb57b3.png


Bell claimed that V-280 demonstrated Level 1 handling qualities in pitch, roll, and...
Forum: Rotorheads
19th Apr 2022, 18:47
Replies: 444
Views: 155,153
Posted By SansAnhedral

More refuels, and likely at minimum twice the...

More refuels, and likely at minimum twice the flight duration at much lower altitude. Not to mention the absolute beating any pax would take in those ships flying edgewise rotors for hours on end.
...
Forum: Rotorheads
18th Apr 2022, 18:17
Replies: 444
Views: 155,153
Posted By SansAnhedral

Where are you getting this mentality? See...

Where are you getting this mentality?

See 4:25 specifically, which comes after the footage of the XV-15 dogfighting the A-4 and OV-10

https://www.youtube.com/watch?v=uudfFbErYVU&t=259s
Forum: Rotorheads
18th Jan 2022, 22:00
Replies: 444
Views: 155,153
Posted By SansAnhedral

Interesting that Sikorsky decided to show a video...

Interesting that Sikorsky decided to show a video ostensibly demonstrating "hover agility" while instead actually flying with not-insignificant flight speed. Rolling maneuvers coupled with forward...
Forum: Rotorheads
11th Oct 2021, 17:55
Replies: 444
Views: 155,153
Posted By SansAnhedral

Just like what I presume we will start hearing...

Just like what I presume we will start hearing from the Sikorsky/Boeing camps in earnest - I think you are very much overselling the possible speed and range improvements from something like ITEP on...
Forum: Rotorheads
21st Jul 2021, 18:13
Replies: 444
Views: 155,153
Posted By SansAnhedral

The XH-59B was the intended follow on to the...

The XH-59B was the intended follow on to the XH-59A, and it had a ducted pusher prop design going all the way back to ca 1980.
...
Forum: Rotorheads
21st Jul 2021, 14:37
Replies: 444
Views: 155,153
Posted By SansAnhedral

The comment made in that post about yaw is...

The comment made in that post about yaw is interesting.

I think a historical knock on tiltrotor maneuverability was probably based on yaw rate, which is primarily affected by rotor flapping...
Forum: Rotorheads
29th Jun 2021, 15:35
Replies: 444
Views: 155,153
Posted By SansAnhedral

Lets not omit the old XH-59. One wonders what the...

Lets not omit the old XH-59. One wonders what the public perception of the X2 concept would be if the videos of both the XH-59 and S-97 prangs had made their way online like some of the old V-22...
Forum: Rotorheads
9th Jun 2021, 16:39
Replies: 444
Views: 155,153
Posted By SansAnhedral

Except that rotor height on a medium lift asset...

Except that rotor height on a medium lift asset that does not have the range to self-deploy makes it a non starter to fit into any airlift platform, much less a deck elevator and into a ship hanger.
Forum: Rotorheads
26th May 2021, 00:30
Replies: 444
Views: 155,153
Posted By SansAnhedral

How exactly do you plan an air assault mission to...

How exactly do you plan an air assault mission to land a Hercules without an airstrip? That argument falls flat on its face instantaneously.

You also forgot about range, unsurprisingly. That has...
Forum: Rotorheads
12th May 2021, 15:55
Replies: 444
Views: 155,153
Posted By SansAnhedral

Claiming 500 hours is just like the claim that...

Claiming 500 hours is just like the claim that the S-97 can cruise at 220kt....or that any of the X-2 ships are capable of low speed agility Level 1 HQ....or can perform level body...
Forum: Rotorheads
12th May 2021, 15:47
Replies: 444
Views: 155,153
Posted By SansAnhedral

This seems a rather silly thing to try and poke...

This seems a rather silly thing to try and poke at.

In a (very rare) defilade-type position you describe, the larger and lower spinning rotor of a conventional helicopter causes essentially the...
Forum: Rotorheads
11th May 2021, 17:40
Replies: 444
Views: 155,153
Posted By SansAnhedral

So, is the consensus that the Defiant flight test...

So, is the consensus that the Defiant flight test is over, and the aircraft was probably grounded even before 2021?

If that really is true, the entire program smacks of a mind-boggling study of...
Forum: Rotorheads
6th Jan 2021, 14:57
Replies: 444
Views: 155,153
Posted By SansAnhedral

Sorry, but this has been shown in flight testing...

Sorry, but this has been shown in flight testing to be demonstrably false.

Of course, Sikorsky also claims the same thing with Defiant, but over 5+ years of trickled flight testing neither it nor...
Forum: Rotorheads
15th Oct 2020, 18:21
Replies: 444
Views: 155,153
Posted By SansAnhedral

You're right. Assuming linear was probably being...

You're right. Assuming linear was probably being generous on a fuselage+rotor like SB1.

https://iili.io/3HsAZJ.png

Even the hotrod low drag/FE X2TD fuselage power required slopes up with...
Forum: Rotorheads
15th Oct 2020, 15:15
Replies: 444
Views: 155,153
Posted By SansAnhedral

Interesting extrapolation using only one data...

Interesting extrapolation using only one data point.

Lets establish a curve based upon Sikorsky's own statements:
...
Forum: Rotorheads
8th Sep 2020, 15:48
Replies: 444
Views: 155,153
Posted By SansAnhedral

Firstly, that was not a flight of (an actual FVL...

Firstly, that was not a flight of (an actual FVL aircraft) Defiant. Secondly, I must have missed the part in there where Charlie was permitted to make a single comment about the Raider flight...
Forum: Rotorheads
1st Sep 2020, 14:47
Replies: 444
Views: 155,153
Posted By SansAnhedral

Until they achieve and demonstrate a single...

Until they achieve and demonstrate a single promised performance metric, or even allow a non-company pilot in the thing to objectively assess the vibration, I would say the jury is still firmly out...
Forum: Rotorheads
28th Aug 2020, 15:27
Replies: 444
Views: 155,153
Posted By SansAnhedral

Hey look, another 180 kt flight. ...

Hey look, another 180 kt flight.

https://www.youtube.com/watch?v=mUKEOfa8RQc[h1]


Lets update the quote list!
Forum: Rotorheads
19th Aug 2020, 14:57
Replies: 444
Views: 155,153
Posted By SansAnhedral

Seems Sikorsky's own demonstration flights have...

Seems Sikorsky's own demonstration flights have implied that. After reaching barely over 200 kt in Sept 2018, they subsequently have flown progressively slower in their big-to-do demo flights - only...
Forum: Rotorheads
17th Jun 2020, 21:15
Replies: 444
Views: 155,153
Posted By SansAnhedral

[color=#222222]-Ken Eland 10/09/18 ...

[color=#222222]-Ken Eland 10/09/18


[color=#222222]-Ken Eland 10/15/19


-Bill Fell 2/20/20


-Bill Fell 6/16/20
Forum: Rotorheads
13th May 2020, 15:11
Replies: 444
Views: 155,153
Posted By SansAnhedral

[color=#000000]That entire montage makes the...

[color=#000000]That entire montage makes the Defiant look wholly sluggish and ungainly, particularly in contrast to the videos of the V-280 performing low speed agility maneuvers. It's amazing that...
Forum: Rotorheads
28th Jan 2020, 16:22
Replies: 444
Views: 155,153
Posted By SansAnhedral

Lone, To be fair, it was the Army themselves...

Lone,

To be fair, it was the Army themselves (and Sikorsky over the years with their presumed greater hover maneuverability) who had been touting the value of exceeding ADS-33 requirements and the...
Forum: Rotorheads
27th Jan 2020, 16:40
Replies: 444
Views: 155,153
Posted By SansAnhedral

Sikorsky's marketing team is certainly earning...

Sikorsky's marketing team is certainly earning their paychecks....I'm still at a loss with regards to these repeated sentiments from people.

40 years after XH-59, 10 years after X2, and 5 years...
Forum: Rotorheads
14th Jan 2020, 18:02
Replies: 444
Views: 155,153
Posted By SansAnhedral

https://www.pprune.org/showthread.php?p=10492312 ...

https://www.pprune.org/showthread.php?p=10492312

I expect this effort will soon begin in earnest.
Forum: Rotorheads
14th Jan 2020, 13:50
Replies: 444
Views: 155,153
Posted By SansAnhedral

Its downright laughable how much tapdancing the...

Its downright laughable how much tapdancing the defense media does when it comes to reporting on SB1 in order not to potentially upset LockMart.

I've now read I think 4 different articles...
Forum: Rotorheads
17th Oct 2019, 13:58
Replies: 444
Views: 155,153
Posted By SansAnhedral

https://www.youtube.com/watch?v=CRE6ZtaxSnw ...

https://www.youtube.com/watch?v=CRE6ZtaxSnw
...
Forum: Rotorheads
16th Oct 2019, 14:56
Replies: 444
Views: 155,153
Posted By SansAnhedral

20 kts!!! ...

20 kts!!!

https://cimg7.ibsrv.net/gimg/pprune.org-vbulletin/480x167/giphy_23ba91d82e83dcf3d68da6a4ee8fbdaa81d63247.gif
Forum: Rotorheads
10th Oct 2019, 15:38
Replies: 444
Views: 155,153
Posted By SansAnhedral

Interesting article regarding recent SB1 model...

Interesting article regarding recent SB1 model wind tunnel testing

NFAC tests next-generation military helicopter | Aerotech News & Review...
Forum: Rotorheads
23rd Sep 2019, 20:27
Replies: 444
Views: 155,153
Posted By SansAnhedral

Today is the first day of fall. And yet again,...

Today is the first day of fall. And yet again, Sikorsky misses another milestone with this program. Literally every single date, whether it was contractually driven or self-imposed, has been missed...
Forum: Rotorheads
16th Sep 2019, 20:11
Replies: 444
Views: 155,153
Posted By SansAnhedral

Indeed, N100FV's Mode-S 24 bit address code is...

Indeed, N100FV's Mode-S 24 bit address code is A00545
Forum: Rotorheads
22nd Aug 2019, 15:23
Replies: 444
Views: 155,153
Posted By SansAnhedral

According to a member of their design team I...

According to a member of their design team I spoke with, the tail pusher is the 2nd most powerful single propeller assembly ever put on an aircraft.
Forum: Rotorheads
21st Aug 2019, 16:13
Replies: 444
Views: 155,153
Posted By SansAnhedral

So, another couple months and more deafening...

So, another couple months and more deafening silence from the Defiant team. Has anyone heard any news?



Only 4 weeks of summer left...
Forum: Rotorheads
12th Jun 2019, 19:21
Replies: 444
Views: 155,153
Posted By SansAnhedral

I would imagine a much more vocal propaganda push...

I would imagine a much more vocal propaganda push about how ITEP will make UH-60 and AH-64 perfectly suitable moving forward, and that FVL is an expensive wholly unnecessary endeavour.
Forum: Rotorheads
12th Jun 2019, 14:34
Replies: 444
Views: 155,153
Posted By SansAnhedral

As with Raider, flight test is progressing...

As with Raider, flight test is progressing glacially. As of a couple weeks ago, supposedly SB-1 had completed its 3rd flight , hovering to 150 ft and 10 kts air taxi.

Raider has actually been...
Showing results 1 to 35 of 35


 
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