![]() |
If this is your first visit, be sure to check out the FAQ by clicking the link above. You may have to register before you can post: click the register link above to proceed. To start viewing messages, select the forum that you want to visit from the selection below. |
|
|
|
Thread Tools | Display Modes |
|
#1
|
|||
|
|||
![]()
In message , Kevin Brooks
writes Plus it never ceases to amaze me the number of folks who think that (a) bringing in enough aluminum matting (and we don't use PSP anymore) to build a fighter strip is a piece of cake (and trying to support a C-5 on one is a mean proposition), (b) installing the matting is all there is to it (no cut/fill, drainage work, or subbabse and base course prep required), getting the requisite engineer equipment and units into the site is an easy matter, and (d) this will all happen over a matter of a day or two. Laying in a fighter-length strip from scaratch is a *major* engineer operation, and quite different from that required to construct a minimum length rough field C-130 strip. Compare this with the effort needed to create HMS Sheathbill in the Falklands (which was a basic "land, refuel, leave or GLI" strip). It's *much* easier to pick a stretch of highway, fly in fuel bladders and maybe ordnance & first-line servicing - than to build a fixed-wing CTOL strip from scratch (lots of supplies and equipment needed just to build the runway before anything else arrives) The USMC's AV-8Bs did this to very good effect in 1991, for instance. -- When you have to kill a man, it costs nothing to be polite. W S Churchill Paul J. Adam MainBoxatjrwlynch[dot]demon{dot}co(.)uk |
#2
|
|||
|
|||
![]() "Paul J. Adam" wrote in message ... In message , Kevin Brooks writes Plus it never ceases to amaze me the number of folks who think that (a) bringing in enough aluminum matting (and we don't use PSP anymore) to build a fighter strip is a piece of cake (and trying to support a C-5 on one is a mean proposition), (b) installing the matting is all there is to it (no cut/fill, drainage work, or subbabse and base course prep required), getting the requisite engineer equipment and units into the site is an easy matter, and (d) this will all happen over a matter of a day or two. Laying in a fighter-length strip from scaratch is a *major* engineer operation, and quite different from that required to construct a minimum length rough field C-130 strip. Compare this with the effort needed to create HMS Sheathbill in the Falklands (which was a basic "land, refuel, leave or GLI" strip). It's *much* easier to pick a stretch of highway, fly in fuel bladders and maybe ordnance & first-line servicing - than to build a fixed-wing CTOL strip from scratch (lots of supplies and equipment needed just to build the runway before anything else arrives) The USMC's AV-8Bs did this to very good effect in 1991, for instance. And reportedly again during OIF, where AV-8B's used FARP's. Brooks -- When you have to kill a man, it costs nothing to be polite. W S Churchill Paul J. Adam MainBoxatjrwlynch[dot]demon{dot}co(.)uk |
#3
|
|||
|
|||
![]()
"Paul J. Adam" wrote:
In message , Kevin Brooks writes Plus it never ceases to amaze me the number of folks who think that (a) bringing in enough aluminum matting (and we don't use PSP anymore) to build a fighter strip is a piece of cake (and trying to support a C-5 on one is a mean proposition), (b) installing the matting is all there is to it (no cut/fill, drainage work, or subbabse and base course prep required), getting the requisite engineer equipment and units into the site is an easy matter, and (d) this will all happen over a matter of a day or two. Laying in a fighter-length strip from scaratch is a *major* engineer operation, and quite different from that required to construct a minimum length rough field C-130 strip. Compare this with the effort needed to create HMS Sheathbill in the Falklands (which was a basic "land, refuel, leave or GLI" strip). Uh-huh. Minimum size for a C-130 capable airstrip is considered to be 3,000' x 60'. AM-2 weighs 140 lb. for a 12' x 2' strip, not counting attachments and holddowns. HMS Sheathbill was relatively convenient, being almost right on the shoreline. It was recce'd by the head of the Engineer Squadron on D+1 (he'd also examined an old Auster strip at San Carlos settlement, but it was too soft for Harriers even with AM-2), the 11,000 AM-2 planks needed were unloaded from RFA Stromness beginning on D+2, and it was finished on D+12. It was only 860 feet long with two VL pads and a parking/fueling loop for 4 a/c, and fuel bladders both on shore and floating in San Carlos Water, topped up from the RFAs (the rest of the AM-2 matting to expand the runway/parking area, as well as much a/c spares etc. went down in Atlantic Conveyor). It's *much* easier to pick a stretch of highway, fly in fuel bladders and maybe ordnance & first-line servicing - than to build a fixed-wing CTOL strip from scratch (lots of supplies and equipment needed just to build the runway before anything else arrives) To be precise, quoting now from the MEF Planning Manual Staff Planning Factors: ----------------------------------------------------------------------- "Expeditionary Airfield (EAF). The EAF consists of two hundred and eighty containers of equipment and provides the capability to build a notional EAf 2000. This capability is designated to include: 96 foot wide by 3,850 ft. long runway, 75 parking spaces for tactical aircraft, 3 parking spaces for tactical aircraft, fueling area and revetments, airfield lighting and visual landing aids, and arrester gear. The EAF is normally spread to three ships in the [pre-positioning] squadron in three modules, which support the following: "Ship 1: 471,683 SQFT. Parking, R/W [Guy: Rotary wing] Fuel Pit, Runway to support 18 CH-53s, 18 MV-22s/CH-46s, 24 A/UH-1s. "Ship 2: 445,000 SQFT. Parking, R/W Fuel Pit, Runway to support 12 CH-53s, 12 MV-22s/CH-46s, 12 A/UH-1s. "Ship 3: 445,000 SQFT. Parking, F/W [Fixed-wing] Fuel Pit, Runway to support 20 AV-8Bs, 14 F-18. "Any reduction in the equipment identified will result in an equivalent reduction in capability (e.g. shorter/narrower runway, less parking, or no arrester gear). Three ships together can be configured to support C-5 aircraft." ----------------------------------------------------------------------- Going all-STOVL a/c means no need for arrester gear. It took the brits a couple of weeks to install arrester gear at Port Stanley airfield in the immediate aftermath of the war, owing to the mud, lack of drainage, and cold weather. And how long does it take to put a FARP/FOB together, if they have to lay a runway? Let's take a representative example, one for AV-8Bs: ------------------------------------------------------------------------- 72' x 960' runway with 2 integral 96' x 96' VTOL pads. Parking hides for 11 AV-8B (designed for 32' x 56'). Net explosive weight of 3,000 lb. considered for each a/c. Subgrade prepared to a minimum of CBR 25. Requires (1 each) F70 - Field Tool Kit (267 pieces) F71 - 12' AM2 Mat (267) pieces F72 - 6' AM2 Mat. (6 sets) Anchors and Accessories (6 sets) F77 - H-connectors Site preparation: A crew of 15 working 10 hrs per day can complete in 5 days with: 2 graders 2 dump trucks 2 compactors 1 D7 dozer 2 TRAMs w/buckets 3 6-10k forklifts Installation: A crew of 36 working 10 hrs a day can complete in 3 days. Note: The EAF concept allows for an infinite number of configurations. The three configurations used in this table [I've left out the other two] do not represent any standard airfield configuration. There is no standard EAF configuration. Per the AM-2 Tech Manual, a 16 man crew can install 3,300 ft.^2 per hour. --------------------------------------------------------------------- You could go somehat narrower for a FARP and do without the hides, but needless to say laying down a runway and parking pads boosts the logistic and time burden, which is why you don't want to do it if you don't have to. This is one reason why the Marines are looking at a V/STOL transport with the load capability of a C-130. The USMC's AV-8Bs did this to very good effect in 1991, for instance. Using a helicopter airfield with a 6,000 foot runway in very poor repair, about half of which was usable. They also operated from poor condition forward airfields in Iraq this past year, with fuel, weapons and sparesapparently brought in mostly by truck. Guy |
#4
|
|||
|
|||
![]()
Guy Alcala wrote:
snip To be precise, quoting now from the MEF Planning Manual Staff Planning Factors: ----------------------------------------------------------------------- "Expeditionary Airfield (EAF). The EAF consists of two hundred and eighty containers of equipment and provides the capability to build a notional EAf 2000. This capability is designated to include: 96 foot wide by 3,850 ft. long runway, 75 parking spaces for tactical aircraft, 3 parking spaces for tactical aircraft, That last should read "3 parking spaces for transport aircraft". Guy |
#5
|
|||
|
|||
![]() |
#6
|
|||
|
|||
![]() |
#7
|
|||
|
|||
![]() |
#8
|
|||
|
|||
![]() "Doug "Woody" and Erin Beal" wrote in message ... On 2/28/04 1:54 PM, in article , "Kevin Brooks" wrote: "Doug "Woody" and Erin Beal" wrote in message SNIP snip Logic fault. You are claiming that because it was allegedly not required in this instance, it will never be required. Kind of hard to support that kind of argument. Given a scenario like Afghanistan, where the CAS assets had to transit great distances to and from the required area of operations, the ability to get STOVL assets into the A/O early in the campaign could be a big advantage, and reduces the load on the other assets (like those F-15E's and F-16's transiting out of the Gulf area). If it is unnecessary, why is the USAF now joining the STOVL bandwagon--merely to make nice with their USMC brethren? Precisely... With one important distinction they're more than likely hoping to take their USMC brethren's place and to keep unit costs down by ensuring that the STOVL version doesn't get axed. That is so far out of reason it is unbelievable. Firstly, if the STOVL version were axed, the USMC would just buy one of the other two versions--they will have to replace those old F/A-18's and (by then) AV-8B's with *something*, so there is no merit to this strange theory you have postulated. Secondly, axing of the STOVL would be unlikely anyway, because the RN/RAF have placed their bets on that version. Have you got any *reasonable* reasons why the USAF would allegedly just toss away a few billion bucks on STOVL aircraft it really does not want? I doubt that. Is STVL the way to go for all TACAIR? Of course not. But eliminating it just reduces your own versatility, and that would not be a wise move in the current environment of uncertainty (as regards where/when/how we'll have to fight). Brooks What I'm claiming is that STOVL is still risky technology that kills too many pilots in peace time and offers too little benefit in war time for that cost. Any evidence that STOVL kills more pilots than other fast jets? Or any evidence that the F-35B is inherently unsafe or "risky" technology? ISTR the STOVL X-35 demonstrator did pretty well... Brooks --Woody |
#10
|
|||
|
|||
![]()
Doug \"Woody\" and Erin Beal wrote:
On 2/28/04 1:54 PM, in article , "Kevin Brooks" wrote: "Doug "Woody" and Erin Beal" wrote in message SNIP The groundpounder who wants responsive CAS available *immediately* throughout an operation would differ with you as to whether having an asset capable of hitting a FARP and returning quickly to station is just "nice to have". CAS is available immediately because it is capping nearby--not because it is on some Harrier or STOVL F-35 that's on a mesh field getting fueled and loaded. It is a function of proper planning, sufficient numbers of aircraft, and a good DASC. That also assumes that sufficient numbers of tankers and sufficient bed-down space for them will be available, both of which were in short supply last year. In 1991, because we had access to Saudi and Turkish bases, the USAF was able to put 350 tankers on just 5 airbases. Last year, they only had 200 tankers (plus 100 for the airbridge; others were supporting ops in Afghanistan and the Horn of Africa), and had to scatter them on 15 airbases. Because of the lack of ramp space, the marines graded a FOB in the northern Kuwaiti desert with a parallel pair of 6,000 foot dirt runways, where they based many of their KC-130s and helos. In addition, they offloaded the helos, men and equipment from two LHA/LHDs, operating each of them with a full AV-8B squadron, just so they wouldn't take up space on an airfield in Kuwait that was needed by the CTOL aircraft. The USAF weren't the only ones with tanker problems. From an article in the April 14th, 2003 AvLeak, "Lessons Learned", pg. 26, by AvLeak's correspondent at a Marine airbase in Kuwait: "Its air campaign has been shaped to a large extent by the fact that the service has only 24 KC-130 tankers in the region, a relatively small number compared with the number of strike aircraft it has assembled. What further complicated the tanker issue is that most KC-130 sorties were dedicated to transporting fuel for helicopters, as well as tanks and other ground vehicles, to forward areas. It is a "rare occurence" for a Marine F/A-18 or AV-8B to be refueled in the air, said a senior Marine Air Group 13 representative, who described the tanker shortage as 'huge'. Problems the USAF has had with its own tankers -- such as poor availability because of the age of the KC-135s -- have exacerbated the dilemma, Marine Corps officials asserted. 'Tanking was very limited,' one Royal Air Force Harrier pilot noted . . . . "Without refueling, fixed-wing a/c operating from here can only fly over Baghdad or points north for a few minutes before having to return to base. Pilots from Harrier squadron VMA-214 noted that without aerial refueling, they had little time to find targets in the 30 x 30-mi. 'kill boxes' set up around Baghdad. "The Marines hope to mitigate the problem by establishing forward operating bases for AV-8Bs and potential F/A-18s. For its helicopter force, the Marines have already built an extensive series of [FARPs]. So far, the Marines have built more than 10 FARPs and have even closed down the first few that are no longer tactically relevant." They definitely established a Harrier FARP and were sitting ground alert and/or turning AV-8Bs at an airfield east of the Euphrates that the marines had captured on their way to Baghdad. I don't know which airfield, because the AvLeak guy wasn't allowed to identify it during the war, but I suspect it was around al-Kut. Which is why the V/STOL F-35 is unnecessary. Logic fault. You are claiming that because it was allegedly not required in this instance, it will never be required. Kind of hard to support that kind of argument. Given a scenario like Afghanistan, where the CAS assets had to transit great distances to and from the required area of operations, the ability to get STOVL assets into the A/O early in the campaign could be a big advantage, and reduces the load on the other assets (like those F-15E's and F-16's transiting out of the Gulf area). If it is unnecessary, why is the USAF now joining the STOVL bandwagon--merely to make nice with their USMC brethren? Precisely... With one important distinction they're more than likely hoping to take their USMC brethren's place and to keep unit costs down by ensuring that the STOVL version doesn't get axed. And you don't think the fact that they were turning A-10s at an FOB in Iraq (a somewhat worse for wear Tallil airbase, IIRR) to avoid the extra 100-130 mile one-way trip back to Kuwait, played any part in their deciding that being able to operate out of austere forward locations (by buying some F-35Bs) might be a good thing? I doubt that. Is STVL the way to go for all TACAIR? Of course not. But eliminating it just reduces your own versatility, and that would not be a wise move in the current environment of uncertainty (as regards where/when/how we'll have to fight). Brooks What I'm claiming is that STOVL is still risky technology that kills too many pilots in peace time and offers too little benefit in war time for that cost. And let's not forget how dangerous that helo VTOL technology is, so let's get rid of the helos while we're at it. Hell, those things have been dropping like flies. Guy |
|
Thread Tools | |
Display Modes | |
|
|
![]() |
||||
Thread | Thread Starter | Forum | Replies | Last Post |
Replace fabric with glass | Ernest Christley | Home Built | 38 | April 17th 04 11:37 AM |
Why not use the F-22 to replace the F/A-18 and F-14? | Guy Alcala | Military Aviation | 265 | March 7th 04 09:28 AM |
Why not use the F-22 to replace the F/A-18 and F-14? | Guy Alcala | Naval Aviation | 2 | February 22nd 04 06:22 AM |
RAN to get new LSD class vessel to replace 5 logistic vessels ... | Aerophotos | Military Aviation | 10 | November 3rd 03 11:49 PM |
Air Force to replace enlisted historians with civilians | Otis Willie | Military Aviation | 1 | October 22nd 03 09:41 AM |