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RAF Atlas C.1


Nigel Bunker

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I'm reminded that it's 20 years ago that BAe put the FLA mock up at Farnborough, and the discussion was whether the FLA or C-130J should replace the first tranche of RAF C-130Ks.

I bet no-one thought the FLA (as was) would replace the C-130J!!

http://www.flightglobal.com/pdfarchive/view/1994/1994%20-%202278.html

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Looks similar - just a lot smaller, can carry less cargo, slower, a shorter (unrefuelled) distance.

And the An-124 carries much more than the C-17. Ergo, it must be better? Different role; different size.

regards,

J.

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And the An-124 carries much more than the C-17. Ergo, it must be better? Different role; different size.

regards,

J.

The RAF is buying the An-124?

The comparison was being made between the size of the (RAF operated) C-17 and the (soon to be RAF operated) Atlas C.1: whilst similar looking, they did not offer the same capabilities. I didn't say 'better'....

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The RAF is buying the An-124?

No they are not, BUT the AN124 was seriously looked at, including official visits to the factory in Kiev, whilst Airbus proposed their Beluga for the requirement that led to the lease and then purchase of the C-17. I know because I was on the project, I was also on the A400M project and helped write its specification (cargo hold), hence I have a bit of a soft spot for the old Fat Lass.

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The RAF is buying the An-124?

The comparison was being made between the size of the (RAF operated) C-17 and the (soon to be RAF operated) Atlas C.1: whilst similar looking, they did not offer the same capabilities. I didn't say 'better'....

My general point was that you had focused on some performance figures but not others in order to make your comparison. The A400M will, for example, have a much better short field capability than the C-17. Since it's not like for like in terms of operational role, it's not surprising that the headline figures are different.

regards,

Jason

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The underwing stripes would indicate tanker, which is interesting (if it is ZM400) as the RAF A400Ms are not supposed to be allowed to use their tanker capabilites (part of the AirTanker PFI deal).

EDIT: It's miscaptioned by the looks of things, and is in fact EC-404:

https://www.flickr.com/photos/florent_peraudeau/14650510819/

https://www.flickr.com/photos/florent_peraudeau/15216658482/

Edited by Dave Fleming
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The A400M has been designed from the outset as a tanker as well. But not, as Dave points out, by the RAF which is seemingly why we only ordered 22 rather than the stated requirement for 25.

I wonder 3 less than what the requirement was ,are they thinking of getting more C17's ?..

Thomas

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It was directly linked to the use of the Atlas as a tanker. I remember reading at the time that because the AirTanker contract stipulated that they would be the SOLE supplier of IFR facilities to the RAF (excepting operational requirements etc) the RAF would only purchase 22 Atlases rather than the 25 originally stated. Rather daft, as it would make more sense to have an Atlas down at Mount Pleasant rather than a Voyager, of which we haven't got many anyway.

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All that aside, it is a lovely, rugged-looking aircraft.

Still grey & boring though!! Need to do something about that !! :lol: Would look nice in the Raspberry Ripple finish!

Allan

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My general point was that you had focused on some performance figures but not others in order to make your comparison. The A400M will, for example, have a much better short field capability than the C-17. Since it's not like for like in terms of operational role, it's not surprising that the headline figures are different.

regards,

Jason

The better short field capability vs the C-17 is not actually true. It does have a better short field landing distance on paper, being 830m vs 1060m, but the C-17 is rated for 1060m at 77 tons max payload, while the A400M is rated for 830m at 27 tons payload (not its max payload of 37 tons). The reality is that the C-17 can get in and out of the same fields with the same payload, but C-17 operators would rarely bother since they also have C-130's for most of that mission (yes, the C-130J only hauls 19 tons, but in most cases you send 2 C-130's and don't risk the more expensive bird you have less of).

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Riff Raff, I believe you are partially correct regarding the panel to the left of the paratroop door, the side door deflectors were added to the development aircraft after initial tests with the rear ramp and side doors open resulted in high noise and turbulence inside the cargo hold. I guess if they cut down on the turbulence then it must be easier for the troops to exit the aircraft.

Rgds,

Eng

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The inner and outer props rotate in opposite directions in order to reduce turbulence and to aid paratroop drops.

I wonder if it doesn't work as well as expected?? - hence the addition of deflectors.

Just a thought....

Ken

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Riff Raff, I believe you are partially correct regarding the panel to the left of the paratroop door, the side door deflectors were added to the development aircraft after initial tests with the rear ramp and side doors open resulted in high noise and turbulence inside the cargo hold. I guess if they cut down on the turbulence then it must be easier for the troops to exit the aircraft.

Rgds,

Eng

The inner and outer props rotate in opposite directions in order to reduce turbulence and to aid paratroop drops.

I wonder if it doesn't work as well as expected?? - hence the addition of deflectors.

Just a thought....

Ken

The C-130 Hercules is fitted with a similar panel.

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The C-130 Hercules is fitted with a similar panel.

My point was that I thought the differential props on the Atlas were supposed to produce a benign airflow for paradropping - eliminating the need for deflectors.

As they are being fitted - I wondered if the airflow wasn't as smooth as had been expected ??

Ken

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My point was that I thought the differential props on the Atlas were supposed to produce a benign airflow for paradropping - eliminating the need for deflectors.

As they are being fitted - I wondered if the airflow wasn't as smooth as had been expected ??

Ken

Ahhh - understood: thank you.

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T7

The A400M has been designed from the outset as a tanker as well. But not, as Dave points out, by the RAF which is seemingly why we only ordered 22 rather than the stated requirement for 25.

Nothing to do with AAR, all to do with cost growth in the programme. A few years ago Airbus went to the initial customers and said the price was going up, which meant Defence needed to find more cash (LOL) or take a smaller number, so our order was cut from 25 to 22!!
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