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Forum: Rotorheads
18th Mar 2024, 13:22
Replies: 186
Views: 38,600
Posted By NutLoose

They have just binned the whole programme ...

They have just binned the whole programme



US Army halts £16 billion helicopter program amid strategic shift (msn.com)...
Forum: Rotorheads
9th Feb 2024, 15:11
Replies: 186
Views: 38,600
Posted By ARRAKIS

There is more than that. It looks like...

There is more than that. It looks like prioritizing off-the-shelf/quick results solutions in order to get as much results as possible in a relatively short time.

US Army spent billions on a new...
Forum: Rotorheads
9th Feb 2024, 13:52
Replies: 186
Views: 38,600
Posted By Lonewolf_50

Whomever makes UAVs and drones is doubtless...

Whomever makes UAVs and drones is doubtless salivating about now, given the justifications offered by DofA on why they did it.
Forum: Rotorheads
8th Feb 2024, 22:23
Replies: 186
Views: 38,600
Posted By KfirGuy

News hitting the wires that FARA has gotten the...

News hitting the wires that FARA has gotten the chop.

Breaking Defense has a good article up on the topic.

Sad to see another Army attempt at this falter - Comanche, Arapaho, and now FARA...
Forum: Rotorheads
22nd May 2023, 19:29
Replies: 268
Views: 52,872
Posted By CTR

Hitler Reacts to the Bell V-280 winning FLRAA.

This is the first I ever saw this type of parody humor. When playing the video on a phone, you may need to hold the phone vertically to see the full image.

All the audio is in German, but the...
Forum: Rotorheads
18th May 2023, 14:57
Replies: 268
Views: 52,872
Posted By SansAnhedral

Hold onto your butt. Remember that the...

Hold onto your butt.



Remember that the S-97 pusher is wet clutched so it does not stop rotating. Defiant used a dry clutch to attempt to demonstrate the safety aspect of stopping it during...
Forum: Rotorheads
23rd Apr 2023, 18:40
Replies: 268
Views: 52,872
Posted By CTR

I heard a different background story. In early...

I heard a different background story. In early 2012, when Boeing and Bell were still teamed on the proposal for what was to evolve into FLRAA, Bell got uneasy, sensing that Boeing was up to...
Forum: Rotorheads
14th Apr 2023, 22:17
Replies: 268
Views: 52,872
Posted By SplineDrive

https://www.gao.gov/assets/820/818991.pdf ...

https://www.gao.gov/assets/820/818991.pdf

Here is the full GAO report for public consumption. I know this forum probably wants to read the juicy details of an evaluation between a thrust...
Forum: Rotorheads
14th Apr 2023, 15:38
Replies: 268
Views: 52,872
Posted By CTR

FMS

I would amend your final statement to add “US” before Army.

My point earlier was, Boeing and Sikorsky will have many years of profit coming in from foreign military sales of Blackhawks, Chinooks,...
Forum: Rotorheads
6th Apr 2023, 20:13
Replies: 268
Views: 52,872
Posted By The Sultan

If I interpret this correctly, SB was deemed...

If I interpret this correctly, SB was deemed non-compliant, even before the performance part of the evaluation, because SB didn't provide high enough fidelity information of the design. The lack of...
Forum: Rotorheads
6th Apr 2023, 19:33
Replies: 268
Views: 52,872
Posted By SplineDrive

https://www.gao.gov/press-release/gao-statement-pr...

https://www.gao.gov/press-release/gao-statement-protest-sikorsky-aircraft-corporation%2C-b-421359%2C-b-421359.2

Looks like Bell won FLRAA… again.

“In denying the protest, GAO concluded that the...
Forum: Rotorheads
10th Dec 2022, 22:37
Replies: 268
Views: 52,872
Posted By Commando Cody

I don't know why folks (not just you) focus so...

I don't know why folks (not just you) focus so much on hover. The facts are simple: A Tilt-Rotor will not hover as efficiently as a comparable conventional helicopter of the same technology level. ....
Forum: Rotorheads
9th Dec 2022, 14:29
Replies: 268
Views: 52,872
Posted By CTR

Measuring Tool

admikar,

The one “operational” Tiltrotor you are referring (V-22) has flown over 700,000 flight hours in combat and severe environments. The smaller 609 commercial Tiltrotor in development has...
Forum: Rotorheads
9th Dec 2022, 10:10
Replies: 268
Views: 52,872
Posted By The Sultan

Admikar Where do you get that the V-280...

Admikar

Where do you get that the V-280 can’t take off and land like a helicopter? It’s hover envelope exceeds that of a UH-60 and it met all of the “helicopter” mode maneuverability requirements...
Forum: Rotorheads
9th Dec 2022, 06:05
Replies: 268
Views: 52,872
Posted By Commando Cody

https://cimg9.ibsrv.net/gimg/pprune.org-vbulletin/...

https://cimg9.ibsrv.net/gimg/pprune.org-vbulletin/1920x1125/sb_1_h_60c_3a04e8ee3c871e787a8bca072183fba5fc2546aa.jpg...
Forum: Rotorheads
9th Dec 2022, 05:53
Replies: 268
Views: 52,872
Posted By Commando Cody

For some reason I can't get multi quote to work....

For some reason I can't get multi quote to work. In any case, Bell had designed in the option for folding for a naval variant from the start of the V280 program and that work may have even preceded...
Forum: Rotorheads
9th Dec 2022, 05:33
Replies: 268
Views: 52,872
Posted By Commando Cody

A little expansion on the high disk loading...

A little expansion on the high disk loading issue, which is unique to the V-22. The proprotor diameter in the V-22 was constrained because Navy/USMC wanted it to be able to operate from the two...
Forum: Rotorheads
8th Dec 2022, 19:37
Replies: 268
Views: 52,872
Posted By SplineDrive

The V-22 is an amazing machine, especially...

The V-22 is an amazing machine, especially considering it’s a 1980’s technology aircraft, but it’s unfortunate that it was the first tiltrotor to go into production because in may ways it represents...
Forum: Rotorheads
8th Dec 2022, 15:58
Replies: 268
Views: 52,872
Posted By SansAnhedral

Sikorsky was always careful to compare the...

Sikorsky was always careful to compare the overall height of SB-1 as being on par with the UH-60...but that included a spinning tail rotor.

And even then, SB-1 is still 2 feet taller over the...
Forum: Rotorheads
8th Dec 2022, 14:35
Replies: 268
Views: 52,872
Posted By The Sultan

I noticed that throughout the demo SB never...

I noticed that throughout the demo SB never released a diagram with dimensions showing the height. The pictures and personal observations indicate that Defiant is twice as tall as the 280 would be...
Forum: Rotorheads
8th Dec 2022, 14:25
Replies: 268
Views: 52,872
Posted By SansAnhedral

At least there is a physical solution to...

At least there is a physical solution to shipboard stowage, and a wing stow mod could feasibly be integrated.

Not so with Defiant. The mast height is non-starter for fitting in any deck elevators...
Forum: Rotorheads
6th Dec 2022, 06:33
Replies: 268
Views: 52,872
Posted By Commando Cody

One could hardly call X2 conventional. It is an ...

One could hardly call X2 conventional. It is an advanced concept that at least for now seems to be "a bridge too far". As one wag put it, Bell was able to do more with six blades than Sikorsky...
Forum: Rotorheads
5th Dec 2022, 23:14
Replies: 268
Views: 52,872
Posted By The Sultan

With Sikorsky and Boeing's track record on recent...

With Sikorsky and Boeing's track record on recent programs the Bell offering was probably 1/2 the cost of their proposal.

Congratulation Team Valor!
Forum: Rotorheads
5th Dec 2022, 22:07
Replies: 268
Views: 52,872
Posted By SansAnhedral

V-280 wins US ARMY FLRAA contract

https://www.army.mil/article/262523

The U.S. Army has awarded the Future Long Range Assault Aircraft contract to Bell Textron, Incorporated.“I am excited to be part of this momentous day for our...
Showing results 1 to 24 of 24


 
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