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Forum: Rotorheads
10th Jun 2021, 00:50
Replies: 297
Views: 101,102
Posted By CTR

I definitely agree on the maintenance aspect....

I definitely agree on the maintenance aspect. Think of the crane that is necessary not only to remove the rotor but to lift the gearbox! Based on aircraft proportions, that coaxial gearbox probably...
Forum: Rotorheads
2nd Jun 2021, 13:17
Replies: 5
Views: 1,172
Posted By CTR

It was a Sikorsky flight simulator. I still have...

It was a Sikorsky flight simulator. I still have my Polaroid picture in the paper frame, along with a little pewter replica of Igorís famous hat.
Forum: Rotorheads
26th May 2021, 03:00
Replies: 297
Views: 101,102
Posted By CTR

Based on your post, I canít understand what point...

Based on your post, I canít understand what point you are trying to make. What evidence do you have that the Defiant can eventually achieve any of the attributes you listed? Especially in lieu of...
Forum: Rotorheads
16th May 2021, 16:27
Replies: 297
Views: 101,102
Posted By CTR

No cabin dimensions for either aircraft I can...

No cabin dimensions for either aircraft I can find. But lots of photos of seating layouts for mock-ups and artist renderings. Based on seating layout of the V-280, the cabin appears to be longer...
Forum: Rotorheads
14th May 2021, 20:30
Replies: 297
Views: 101,102
Posted By CTR

Not surprising when you consider that on the...

Not surprising when you consider that on the V-280 the fuselage only needs to hold the crew and passengers.

Compared to the SB>1 fuselage which must house engines, gearboxes, fuel, in addition to...
Forum: Rotorheads
12th May 2021, 22:21
Replies: 297
Views: 101,102
Posted By CTR

Check out Commander Codyís earlier post.

[isQUOTE=Commando Cody;11007479]FWIW, here's a comparison of the footprint of the V-280 vs. UH-60

...
Forum: Rotorheads
12th May 2021, 15:02
Replies: 297
Views: 101,102
Posted By CTR

500 Hours?

https://newatlas.com/military/sikorskys-s-97-raider-helicopter-agility-us-army/The Sikorsky PR team is really stretching credibility with the statement ĒSikorsky has been flying and testing X2...
Forum: Rotorheads
19th Apr 2021, 02:38
Replies: 54
Views: 10,308
Posted By CTR

i heard the same story from the Bell flight line...

i heard the same story from the Bell flight line mechanics. The only additional aspect was the XV-15 engine exhaust ignited some shrubs on the White House lawn. But nothing a fire extinguisher...
Forum: Rotorheads
15th Apr 2021, 02:40
Replies: 15
Views: 2,988
Posted By CTR

ARTI

Bell and McDonnell Helicopter were experimenting with 4 axis controllers under the ARTI program in the 80ís.

Bell/McDonnell-Douglas LHX helicopter - development history, photos, technical data...
Forum: Rotorheads
3rd Apr 2021, 22:24
Replies: 188
Views: 46,979
Posted By CTR

Looks like Bell covered the open rotor ďthorn...

Looks like Bell covered the open rotor ďthorn bushĒ configuration also in their patent for the electric tail rotor.

Great minds think alike....
Forum: Rotorheads
19th Mar 2021, 14:14
Replies: 297
Views: 101,102
Posted By CTR

I didnít think it was going to be another...

I didnít think it was going to be another competition of flight demonstrators. Isnít the next competition phase just a proposal?
Forum: Rotorheads
17th Mar 2021, 02:22
Replies: 297
Views: 101,102
Posted By CTR

Isnít Time Running Out?

The FLRAA RFP responses are due in less than three months. Isnít time running out for the SB>1 to prove it can meet the US Army threshold requirements?
Forum: Rotorheads
2nd Jan 2021, 13:27
Replies: 297
Views: 101,102
Posted By CTR

Thanks for the correction

Thanks for the correction. Should not reply to post after a long New Yearís eve. :-)
Forum: Rotorheads
1st Jan 2021, 19:12
Replies: 297
Views: 101,102
Posted By CTR

Both the SB>1 and the V-280 primary mission is...

Both the SB>1 and the V-280 primary mission is troop transport. As long as soldiers need to get in and out of battle, this mission is not going away.

The Raider and Valor (correction Raider-X and...
Forum: Rotorheads
1st Jan 2021, 14:24
Replies: 297
Views: 101,102
Posted By CTR

Doing the Math

Interesting that despite the S-97 being promoted as a test bed for itís bigger brother the SB>1, it has only accumulated 93 flight hours. So the two X2 technology aircraft combined have only 119...
Forum: Rotorheads
19th Dec 2020, 11:41
Replies: 124
Views: 83,958
Posted By CTR

Bell Video Marking V-280 Completion of 200 Flight Hours

Bell released a video this week marking their V-280 Valor completing 200 flight hours, and additional accomplishments over the past three years of flight testing.

There is definitely a tone to...
Forum: Rotorheads
6th Nov 2020, 16:21
Replies: 20
Views: 2,837
Posted By CTR

Same Impression

This was the same information I was relayed over drinks. This information is also supported by both Sikorsky and Bellís stealing away many excellent engineers from Boeing.
Forum: Rotorheads
4th Nov 2020, 20:22
Replies: 20
Views: 2,837
Posted By CTR

Having shared late night drinks with FVL program...

Having shared late night drinks with FVL program engineers from both Sikorsky and Bell, I can confirm second hand the veracity of these stories.
Forum: Rotorheads
21st Oct 2020, 18:23
Replies: 147
Views: 56,963
Posted By CTR

Grizz, See response. Stay healthy, ...

Grizz,

See response.

Stay healthy,

CTR
Forum: Rotorheads
18th Oct 2020, 17:52
Replies: 297
Views: 101,102
Posted By CTR

23 Flight Hours in17 Months?

Thank you SplineDrive for the information. But is that information from a recent press release? Itís been 17 months since first flight.
Forum: Rotorheads
17th Oct 2020, 19:24
Replies: 297
Views: 101,102
Posted By CTR

Defiant Total Flight Hours?

Has Lockheed or Boeing recently advertised how many total flight hours the Defiant has accumulated to date?
Forum: Rotorheads
15th Oct 2020, 14:43
Replies: 297
Views: 101,102
Posted By CTR

Thanks IFMU, In the article text was my...

Thanks IFMU,

In the article text was my earlier question answer:

ĒWASHINGTON ó The Sikorsky-Boeing developed SB-1 Defiant coaxial demonstrator...
Forum: Rotorheads
29th Sep 2020, 02:02
Replies: 297
Views: 101,102
Posted By CTR

FLRAA speed requirements lowered to 230 knots?

I thought the Army wanted the FLRAA to have a top speed of 250 knots, and potentially up to 280 knots. However I was advised today that the Army was dropping the requirement down to 230 knots. Can...
Forum: Rotorheads
10th Sep 2020, 01:04
Replies: 297
Views: 101,102
Posted By CTR

Bell Tiltrotor Guest Pilots

Before it was sent to the Smithsonian Air and Space Museum, the actor Harrison Ford flew the XV-15. Maybe he will be the next V-280 guest pilot ;-)
Forum: Rotorheads
3rd Sep 2020, 21:09
Replies: 297
Views: 101,102
Posted By CTR

But when will an Army pilot fly the Defiant

When I first saw the article, I was expecting that a customer pilot was finally flying the SB>1 Defiant. I canít quite understand all the hype for an Army customer Pilot flying the S 97. I wouldíve...
Showing results 1 to 25 of 178
 


 
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