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Search: Posts Made By: petit plateau
Showing results 1 to 35 of 204
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Forum: Military Aviation
22nd Apr 2024, 12:35
Replies: 10,559
Views: 4,705,974
Posted By petit plateau

There is a lot of blame to go around. We all need...

There is a lot of blame to go around. We all need to do better. That is my general sentiment. Clearly something is getting lost in translation.
Forum: Military Aviation
22nd Apr 2024, 05:40
Replies: 10,559
Views: 4,705,974
Posted By petit plateau

Reliable data is scarce. The daily UKR data on...

Reliable data is scarce. The daily UKR data on Russian losses is seemingly KIA+WIA, and has been fairly informative daily data that has been plausible imho when you do various ratios (e.g. casulaties...
Forum: Rumours & News
30th Mar 2024, 09:55
Replies: 705
Views: 197,990
Posted By petit plateau

Some of you have been mentioning Patrick...

Some of you have been mentioning Patrick Shanahan, who I do not know personally .....



.... however when I saw that profile I thought I recognised it. He is actually an MIT masters graduate...
Forum: Military Aviation
26th Mar 2024, 11:54
Replies: 38
Views: 5,558
Posted By petit plateau

DARPA keep hoping that they can leverage civil...

DARPA keep hoping that they can leverage civil funds to develop M2.2 x 5,200 mile range, (i.e. transpacific) at low (civilian) costs as opposed to high (military) costs and thereby open up large...
Forum: Rumours & News
25th Mar 2024, 09:38
Replies: 705
Views: 197,990
Posted By petit plateau

"Now some airline companies are trying to engage...

"Now some airline companies are trying to engage beyond business as usual. It's a start at least. A good number here (and many uninterested in benefits of discussions on the forum) already have...
Forum: Military Aviation
20th Mar 2024, 10:00
Replies: 7,469
Views: 2,415,176
Posted By petit plateau

It all depends how much kool-aid you are drinking.

It all depends how much kool-aid you are drinking.
Forum: Military Aviation
18th Mar 2024, 15:32
Replies: 10,559
Views: 4,705,974
Posted By petit plateau

In some of those images you can see a row of what...

In some of those images you can see a row of what may be flare stacks, about one per unit, for inventory blowdown and depresurisation and any offgas disposal. The units are sort-of lined up along a...
Forum: Military Aviation
17th Mar 2024, 16:11
Replies: 10,559
Views: 4,705,974
Posted By petit plateau

Interesting. There are big differences in these...

Interesting. There are big differences in these numbers.

https://cimg5.ibsrv.net/gimg/pprune.org-vbulletin/595x393/image_af197dac3c9ac4938977c0dd7c295e90037091a2.png
Forum: Military Aviation
14th Mar 2024, 09:19
Replies: 10,559
Views: 4,705,974
Posted By petit plateau

Your scepticism is justified. To put things in...

Your scepticism is justified. To put things in context Russian oil & condensate production (i.e. "liquids") is about 10-million barrel per day, which represents approximately 10% of global production...
Forum: Military Aviation
10th Mar 2024, 11:09
Replies: 10,559
Views: 4,705,974
Posted By petit plateau

Just putting some of the recent numbers into...

Just putting some of the recent numbers into context.

https://cimg9.ibsrv.net/gimg/pprune.org-vbulletin/394x254/image_9583c76a7763beb93ec35067471fbe0bf182ed3a.png

The sources are below. Note...
Forum: Military Aviation
1st Mar 2024, 09:55
Replies: 10,559
Views: 4,705,974
Posted By petit plateau

Transnistria can grow enough of its own food. It...

Transnistria can grow enough of its own food. It might be unpleasant but if they have a will (and do they ?) they can withstand a food seige.

However at end-2024 Ukraine plans to not renew the...
Forum: Rotorheads
8th Feb 2024, 09:34
Replies: 42
Views: 7,586
Posted By petit plateau

the source of the "flying trash" remark From...

the source of the "flying trash" remark
From the net
Quote:
A senior Ukrainian Air Force official refused an offer from two Australians to receive 41 of the country’s decommissioned F/A-18 Hornet...
Forum: Rumours & News
5th Feb 2024, 16:31
Replies: 705
Views: 197,990
Posted By petit plateau

fdr, Thank you for a helpful answer. It...

fdr,

Thank you for a helpful answer.

It is good to know that your widgetry is applicable to any torque consumer. Knowing that, my suspicion is that industry will be even more motivated to sweat...
Forum: Rumours & News
5th Feb 2024, 10:08
Replies: 705
Views: 197,990
Posted By petit plateau

fdr, I am in wild agreement, hence my more...

fdr,

I am in wild agreement, hence my more generic comment about different thrust devices and different energy sources, and also regarding potential changes in the underlying travel market.
...
Forum: Rumours & News
4th Feb 2024, 21:33
Replies: 705
Views: 197,990
Posted By petit plateau

Let us assume for a moment that Boeing have truly...

Let us assume for a moment that Boeing have truly dropped the ball re the 737 refreshes, and the 737 replacement product, vs the A320 family refreshes from Airbus. Let us assume that one is either a...
Forum: Rumours & News
1st Feb 2024, 09:33
Replies: 112
Views: 21,491
Posted By petit plateau

Valid points. Yes, I appreciate that SAF has...

Valid points.

Yes, I appreciate that SAF has been around is working its way through the approvals process. I mean at scale and at an economic price. That means that bio-SAF is excluded as that...
Forum: Rumours & News
31st Jan 2024, 12:37
Replies: 112
Views: 21,491
Posted By petit plateau

The paper does look at that. Drop in liquids are...

The paper does look at that. Drop in liquids are in my opinion an illusion being deployed for distraction. But even if they were to become available at quantity then they are very costly. I expect...
Forum: Rumours & News
30th Jan 2024, 17:00
Replies: 112
Views: 21,491
Posted By petit plateau

It is possible to do both. It is beneficial to do...

It is possible to do both. It is beneficial to do both. And in this instance doing both in parallel is approximately equally environmentally beneficial. (There are no constraints apart from...
Forum: Rumours & News
30th Jan 2024, 13:50
Replies: 112
Views: 21,491
Posted By petit plateau

I've done some further analysis after a colleague...

I've done some further analysis after a colleague has kindly supplied some historical data. I can combine that with my own database to figure out the energy density improvement trends vs cumulative...
Forum: Rumours & News
30th Jan 2024, 10:53
Replies: 112
Views: 21,491
Posted By petit plateau

I will stay in metric for my sanity. They do...

I will stay in metric for my sanity.

They do charge and discharge rate considerations in the paper, and it all looks plausible to me. Let us try some very crude ratio checks.
-------

There are...
Forum: Rumours & News
29th Jan 2024, 20:47
Replies: 112
Views: 21,491
Posted By petit plateau

Thanks. To be fair with a 76 tonne aircraft...

Thanks.

To be fair with a 76 tonne aircraft they themselves come up with a 35 tonne battery, so your 42-tonne calc (including reserve) seems to be in wild agreement.

As to the reserve fraction...
Forum: Rumours & News
29th Jan 2024, 17:35
Replies: 112
Views: 21,491
Posted By petit plateau

Can you point out what parts of the TUDelft paper...

Can you point out what parts of the TUDelft paper are weak ?

I admit I did not expect to see such a study show such an opportunity existed in this timeframe, but the logic appears sound when I...
Forum: Rumours & News
29th Jan 2024, 09:57
Replies: 112
Views: 21,491
Posted By petit plateau

This is not EVTOL but is EV-flight. A very...

This is not EVTOL but is EV-flight. A very interesting read, with what looks to be much more sensible achievable engineering, and a pathway to staged development and economic operation within the...
Forum: Military Aviation
28th Dec 2023, 10:49
Replies: 8
Views: 2,385
Posted By petit plateau

Something in that article has been niggling me....

Something in that article has been niggling me. It is definitely plural rigs, and that is an important piece of data.

"In a labyrinth of canyons he found, to his surprise, a large drilling rig...
Forum: Military Aviation
21st Dec 2023, 18:17
Replies: 8
Views: 2,385
Posted By petit plateau

That Cannikin engineering drawing is fascinating....

That Cannikin engineering drawing is fascinating.

If you look carefully at that schematic it shows the bottom lateral to be a tunnel rather than a drilled hole. Note that the scale is sufficient...
Forum: Military Aviation
28th Nov 2023, 08:11
Replies: 10,559
Views: 4,705,974
Posted By petit plateau

Expect a lot more of this. Nobody wants to pay...

Expect a lot more of this. Nobody wants to pay for something that stands a reasonable chance of becoming a stranded asset during its envisaged operating lifespan. So forcing those costs onto others...
Forum: Military Aviation
4th Nov 2023, 11:54
Replies: 10,559
Views: 4,705,974
Posted By petit plateau

In addition to the good responses by FUMR and...

In addition to the good responses by FUMR and EDLB I can give a few personal observations, and some estimated numbers to add a little insight:

1. One of my neighbours is (was) a Ukrainian male of...
Forum: Military Aviation
11th Sep 2023, 11:34
Replies: 10,559
Views: 4,705,974
Posted By petit plateau

Some useful reads ...

Some useful reads

https://snyder.substack.com/p/the-state-of-the-war

and

https://en.desk-russie.eu/2023/09/06/the-second-front.html
Forum: Rumours & News
5th Sep 2023, 20:59
Replies: 27
Views: 9,183
Posted By petit plateau

Perhaps folk in the UK are beginning to...

Perhaps folk in the UK are beginning to understand the point of the high speed train network (that the UK has squandered the opportunity to build).
Forum: Military Aviation
4th Sep 2023, 09:21
Replies: 10,559
Views: 4,705,974
Posted By petit plateau

A couple of useful items ...

A couple of useful items

https://twitter.com/igorsushko/status/1698470290009858480?

https://phillipspobrien.substack.com/p/weekend-update-44
Forum: Military Aviation
30th Aug 2023, 13:31
Replies: 10,559
Views: 4,705,974
Posted By petit plateau

ZNPP update :..........a new groundwater well,...

ZNPP update :..........a new groundwater well, located close to the plant's sprinkler ponds, has already been commissioned and is now providing about 20 cubic metres of water per hour. An additional...
Forum: Military Aviation
23rd Aug 2023, 09:32
Replies: 10,559
Views: 4,705,974
Posted By petit plateau

Not necessarily all to be agreed with, but useful...

Not necessarily all to be agreed with, but useful to read anyway

https://www.kasparov.com/a-history-of-betrayal-biden-keeps-negotiating-about-ukraine-without-ukraine-august-13-2023/
Forum: Military Aviation
22nd Aug 2023, 21:10
Replies: 10,559
Views: 4,705,974
Posted By petit plateau

Maybe Ukraine are looking a few years beyond now,...

Maybe Ukraine are looking a few years beyond now, and are planning to stop importing anything/everything that is (in their view) vital for their defence.

Ukraine is a perfectly capable aerospace...
Forum: Military Aviation
19th Aug 2023, 12:32
Replies: 10,559
Views: 4,705,974
Posted By petit plateau

That is very convincing re it being a VBIED...

That is very convincing re it being a VBIED rather than a USV for last year's attack.

(I was wrong then as I thought the video most plausibly suggested a USV)
Forum: Military Aviation
5th Aug 2023, 21:57
Replies: 196
Views: 46,219
Posted By petit plateau

I have worked in a border area of Argentina....

I have worked in a border area of Argentina. There were very definitely drug cartels operating in the zone (and I am told this has not changed, but I'm not on the ground these days). The armed forces...
Showing results 1 to 35 of 204
 
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