Talk:Lockheed P-80 Shooting Star

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Do any of you know the wing loading for P-80. It would be good if it's P-80A.

Thank You.

New Refrence[edit]

The P-80 seems to appear in a new video game, Fallout 3, on a destroyed aircraft carrier. The game takes place hundreds of years after world war III has come and gone in a world where America never left the sterotypical culture of the 50s, largely in the irridated ruins on Washington D.C. The largest, most prosperus settlement in the game is known as Rivet City, and is in fact a beached and broken aircraft carrier, and if you go up on deck, what appears to be P-80s are everywhere. Just thought I'd add the refrence if anyone here cares to mention it in the article, since as you can probably tell from this post I'm not the best person to be editing actual aritcles HA! Lich —Preceding unsigned comment added by (talk) 20:02, 14 December 2008 (UTC)


The original version of this article is below:

Lockheed Chief Pilot Milo Garrett Burcham, age 41, was killed at 5:11 PM on Friday, 10/20/1944 while flying the second production prototype YP-80 aircraft. He took off from Lockheed Air Terminial (now the Pasadena/Burbank airport), flamed out on take off and crashed into a gravel pit in North Hollwood. He purposely directed his aircraft away from populated areas in an effort to bring it down away from houses. My Uncle, the late Gene Gerow, a TWA check pilot in Connies, said he was on the ramp that day, and let Milo take off before him. Gene may have been one of the last people to talk to Milo in this world.

As it says in the Book of John, "Man hath no greater love than this, that he lay down his life for his friends."

(Notes by Mike Gerow, San Diego, CA)


In what units should thrust be written? In units of mass (e.g. kg or lb) or in units of force (e.g kN or lbf). I am a bit confused because of the pound-force. Best regards. --XJamRastafire 03:08, 4 Feb 2004 (UTC)~

As kg and lb

I prefer to list thrust in lb and kN rather than in kilograms. It seems more appropriate. -- ArgentLA 23 Dec 2004

Thrust is a force and thus measured in newtons. (Pound-force and kilopond (kilogram-force) were used historically, too, but are not SI units and thus obsolete.) -- 21:25, 26 Feb 2005 (UTC)
Both pounds-force and kilograms-force are still in use. And historically, most rockets in both the U.S. and Russian space program were originally measured in one or the other of these units, and the original measurement should be retained as a good indication of the precision of the measurement and as a check on the correctness of the SI values which are necessarily conversions by someone. And the SI units are newtons, not Newtons. It's pretty weird that you use both the kilopond and kilogram-force names of that unit, and link the article titled "Kilogram-force" to your kilopond rather than to your kilogram-force. Gene Nygaard 21:48, 26 Feb 2005 (UTC)
Kiloponds are officially obsolete since 1978, and they had replaced the kilogram-force long before that - my link deliberately uses the least obsolete name. -- 23:44, 26 Feb 2005 (UTC)
First of all, whether they are called kiloponds or kilograms-force is mostly a matter of geography, not of chronology.
Second, I have no idea what event of 1978 you imagine to be significant.
Note that kilograms-force have never been a part of the International System of Units, and have never been on the lists of units acceptable for use with the SI. The SI was introduced in 1960.
But the one thing that you don't seem to understand is that there is no general requirement that we use the International System of Units.
The units used to measure thrust are not in general regulated. There are a number of various types of standards-setting bodies which might throw in their two cents worth on this issue, but none of them has plenary, worldwide uthority in this area.
Some activities are regulated, and do require certain units--but this is not one of them. Some of the most heavily regulated areas deal with the sale of goods; but this discussion has nothing whatsoever to do with that field of activity. Note that there is nowhere in the world where kilograms-force are legal units for the sale of goods by weight. There is nowhere in the world where pounds-force are legal units for the sale of goods by weight. There is nowhere in the world where newtons are legal units for the sale of goods by weight. But both pounds and kilograms are legal for the sale of goods in the United States, for example. In the U.K. too, so far. And kilograms, at least, are legal for this purpose throughout the world.
Kilograms-force were the usual, customary units used for thrust in the Russian space program into the late 1980s or early 1990s, around the time of the breakup of the Soviet Union, though if anything that might have only slowed the changeover. Even today, I have seen several signs that kilograms-force remain the primary units for this purpose in the Chinese space program. Pounds force, of course, remain in use in the aerospace industry in the United States. Check the web sites of some of the engine manufacturers, for example.
But as I pointed out before, even if everybody involved in making these measurements were to instantaneously drop every other unit, and from today on never use anything but newtons, pounds force and kilograms force are still very relevant because they were the units in which many of the historical vehicles were measured. It isn't even possible to go back and remeasure most of them in newtons, even if anybody were inclined to embark on such a fool's mission. So they still very much have a place in Wikipedia. Gene Nygaard 04:36, 27 Feb 2005 (UTC)
UK and US gas turbines are measured in pounds (lb) static thrust (st), this is the thrust produced by the engine at sea level with the engine static, i.e., not moving through the air. European engines use metric measurements, i.e., kilograms. Because the gas turbine aero engine market was/is dominated by UK and US firms, the usual unit of measurement is still the lb despite metrication, but both are sometimes quoted.


I've put the dimensions in a new table at the bottom of the page, with both the XP-80 and the P-80A's dimensions, for comparison. (Both the old and new tables are at User:Logawi/P-80 dimensions temp.) This isn't standard, but it's useful to see how the sizes of the two versions compared. The change of engine prompted a significant redesign of the aircraft. I think it might also be instructive to include dimensions for the T-33 and/or F-94, although I don't plan on doing that right now. Logawi 21:18, 14 February 2006 (UTC)

Agree. Also, since we've got capacities for the Ouragan & F-84, can we get how much fuel the F-80's tiptanks carried? And how much fuel total was usual? Trekphiler 10:51, 19 July 2007 (UTC)
Answered. (Serves me right not just looking it up...) 8[ Trekphiler (talk) 12:14, 10 April 2008 (UTC)

Dead link[edit]

During several automated bot runs the following external link was found to be unavailable. Please check if the link is in fact down and fix or remove it in that case!

maru (talk) contribs 00:17, 14 June 2006 (UTC)


Trekphiler 11:01, 19 July 2007 (UTC)


The timeline became a bit convoluted in the telling of who was killed flying what and when. My rewrite tried to simplify that and restore the chronology, also reducing the number of dangling short phrases. There were a few minor inaccuracies, also corrected. Most of the material seems to have come from Joe Baugher, a good source, but Baugher got his material (some of it word for word) from Dorr. So I went to Dorr for reference during the re-write.--Buckboard 14:45, 3 November 2006 (UTC)


More realistic specifications about p 80 (which wasn't faster than Messerschmitt 262) at site:

You can read about post war tests in USA which confirm that fact at wikipedia: Part titled: Postwar evaluation, history and design influence

Spirit in the sky[edit]

The article says the P-80R was a modified prototype. IIRC, she was virtually hand-built, with features that would never appear (& weren't intended for) series aircraft, including a J73; again, IIRC, she was more like an F-94 prototype. Can anybody confirm? Include it? Trekphiler 10:59, 19 July 2007 (UTC)

Early Development History[edit]

I believe this article describes the 180 day contract and delivery of the first P-80 better than the description in this article. The time was a bit longer to the first flight than is stated here. —Preceding unsigned comment added by (talk) 17:04, 28 January 2008 (UTC)

I agree and its material is now summarized in the history and documented.--Reedmalloy (talk) 06:32, 10 July 2008 (UTC)

Wing and a prayer[edit]

I'm not by any means expert, but from what I've read, the pos of the 262's jetpods was at least partly due to aerodynamic considerations of flow into the inlets. (Recall, they didn't have the fancy splitters & such common now.) Trekphiler 16:56, 8 October 2007 (UTC)

The Me 262 (like the competing He 280) had two engines because the-then (c. 1939/40) most powerful jet engines were not powerful enough to give a single-engined aircraft any advantage over the piston engined fighters then-current. This was the same reason the Meteor was also a twin. The advent of the Halford H.1 (Goblin) changed that, as it was more powerful than previous engines and de Havilland thought that with development it would be able to give an adequate thrust for use in a single engined jet fighter - hence the de Havilland Spider Crab (Vampire). This engine was then used for the P-80, which was also the first US single-engined jet - the Airacomet was a twin.
This relatively low-power of the early engines was the reason that the Vampire was designed with a twin-boom layout, as this minimised the length of jet pipe that was required, reducing the thrust losses caused by a long jet pipe. This is also one of the reasons that the Airacomet had its engines installed like they were, to keep the jet pipes as short as possible. By the time the P-80 was designed the Goblin had reached a stage in its development where such a short jet pipe was no longer a necessity.
Incidently, the reason that de Havilland was being generous in sending Lockheed the replacement Halford H.1 engine for the one destroyed in ground runs was because that was the only remaining engine de Havilland had built. As both the Spider Crab (Vampire) and the H.1 were built privately by the company, i.e., not under a government contract, they built two engines, one for the Spider Crab prototype, the other a spare. The spare was the engine sent over to Lockheed for the XP-80, and which was then destroyed in ground runs. This left only the remaining engine intended for the Vampire. Sending Lockheed this engine delayed the Vampire but allowed the US to get a usable jet fighter into the air before the end of the war - the UK already had the Meteor. —Preceding unsigned comment added by (talk) 12:59, 12 November 2009 (UTC)

UK use[edit]

One P-80 was loaned to Rolls-Royce who were developing their Nene at the time. IIRC, it was based at Hucclecote. —Preceding unsigned comment added by (talk) 22:35, 30 July 2009 (UTC)

That aircraft was 44-83027. —Preceding unsigned comment added by (talk) 13:41, 12 November 2009 (UTC)
This aircraft (44-83027) has the distinction of being the aeroplane in which the first Rolls-Royce Nene was flown. — Preceding unsigned comment added by (talk) 22:01, 24 November 2011 (UTC)
Picture of this aircraft - bottom of page - in a 1947 issue of Flight here: [1] — Preceding unsigned comment added by (talk) 20:34, 31 May 2013 (UTC)

Talking tiptanks[edit]

Did (do) the tiptanks affect the wingtip vortices generated at all? Does the change in position (tip to underslung)? TREKphiler any time you're ready, Uhura 06:25, 17 May 2010 (UTC)

The Article completely disregards British Data/Aid.[edit]

British Jet Aircraft data which was sent as a gift to the USA during WW2 is the primary reason that the P80 was able to be designed so fast and enabled the USA to 'catch up' with the German AND BRITISH (not mentioned at all) lead over the USA in this area.

The article implies that it was USA 'excellence' alone, and Kelly Johnson/Lockheed who 'caught up' with the Germans in a very short time, with data that it took the Germans years to obtain.

I think the article should mention that the UK gave ALL of its data on Jet AIrcraft to the USA during WW2, and THIS allowed the USA to 'catch up', with the lead that Germany AND BRITAIN, had over them.

To not mention this is a distortion of history. (talk) 04:27, 21 March 2011 (UTC)

That's a gross oversimplification of the issue. Nost, if not all, of the data given to the US by Britain was about jet engines, not aircraft airframes. This article is about the aircraft, not the engines. - BilCat (talk) 11:38, 21 March 2011 (UTC)
It's also wrong. No matter how good the engine, if the airframe is a dog, the engine alone can't make up for it, & there's plenty of examples. Moreover, the P-80 was re-engined within indig U.S. designs. It ain't all about the Brits. TREKphiler any time you're ready, Uhura 11:59, 21 March 2011 (UTC)
I think the intent of the original comment was that he felt there was a complete absence of any reference about British technical aid that led to the development of the P-80. What that extent may be is (obviously) open to interpretation, but I would agree with his "overall" point that something should be noted. Of course it would be helpful if he would have offered a possible sentence or sentences to be added rather than the typical Talk complaint of this article is lacking and "someone" should fix it. However to answer this point, I would respond with the fact that if the above questioner had simply read on, he would have seen just what he was looking for in the 3rd paragraph of "Design & Development":
The impetus behind the development of the P-80 was the discovery by Allied intelligence of the German Messerschmitt Me 262 jet in the spring of 1943. After receiving years of British jet aircraft research, the commanding General of the U.S. Army Air Forces Henry H. Arnold believed an airframe could be developed to accept the also British-made jet engine, and the Materiel Command's Wright Field research and development division tasked Lockheed to design the aircraft. With the Germans and British clearly far ahead in development, Lockheed was pressed to develop a comparable jet in as short a time as possible.
In my mind, this is exactly what he was looking for and therefore this is a moot point. Ckruschke (talk) 17:23, 21 March 2011 (UTC)Ckruschke
I think the original poster's point was that if the British hadn't provided the US with Whittle's work and an example of his W.1X engine, the US would not have had any jet fighters in WW II. The sole indigenous US gas turbine engine design was the Lockheed J37 which didn't run until 1946 - and then only as a turboprop. By then the British (and the US) had the Nene at 5,000lb st/thrust. This engine was later used by the USN as the J42.
Not only did the UK provide the US with the W.1X and the know-how to install and operate it, the de Havilland Company even gave one of the few examples of their Halford H.1/Goblin turbojet to Lockheed for use in the XP-80. The latter company then ignored advice from DH on installing the engine, which then resulted in a destroyed impeller. As a replacement impeller was unavailable in the US, DH generously arranged for their only spare flight engine to be flown over to Lockheed to replace the one destroyed in ground runs.
So the point is that if it hadn't been for the British, the P-80 would never have happened. A bit like the P-51 Mustang, although some would rather not admit this.
Therefore, the only reason the P-80 was able to be designed was because the British gave Lockheed an engine for it - you don't design and build a new type of aircraft using a radical means of propulsion without an engine to power it. And the J33 was based on Whittle's designs, so without the British the US wouldn't have had the J33 either. And Lockheed was the only US airframe company that were given a flight-worthy engine to design a fighter aircraft around. None of the other US aircraft manufacturers produced a usable jet fighter during WW II.
... in the period 1940-45 the only people with their own jet engines were the British and the Germans, and of these the only really usable, reliable engines, were British. And the US was lucky enough to get as much information as they wanted on the latter - the Goblin and Welland/Derwent had twice the power-to-weight ratio and half the specific fuel consumption of the German engines such as the Jumo 004B and BMW 003. The British engines also didn't usually disintegrate or explode randomly - a useful feature if you are flying something powered by one, as any pilot will tell you. When the British engines were tested in the German high altitude test cells after World War II the German engineers couldn't believe how good these engines were.
BTW, the Whittle W.1X that was given to the US is now in the Smithsonian Institution. Presumably they regard it as of some importance. It is after all, the origin of the entire US gas turbine industry.
Oh, and a Happy New Year and Best Wishes to our 'cousins' across the pond. It must be the influence of festive Jim Beam on me - one of my favourite things American, of many, this time coming the other way across the Atlantic. — Preceding unsigned comment added by (talk) 18:16, 4 January 2015 (UTC)


This is a proposed mention of the obscure XF-90 which many aviation writers have noted as bearing a family resemblence to the Shooting Star as a follow-on if not a proper derivative design. It is not fair to call the XF-90 a derivative, but it pretty obviously shows that the F-80 was a starting point for the XF-90 and is not an unrelated design even if it did not share any parts, much more clear than the F-100 was related as a follow-on to the F-86. The F-104 was also based on fighter pilot input from the Korean War. North American and Republic fielded successful swept wing trans and supersonic fighters (F-86, F-100, F-84F) while the XF-90 was a dead end before the F-104 was introduced. Redhanker (talk) 22:04, 1 August 2011 (UTC)

Unlike jets such as the Grumman F-9 Cougar and the Republic F-84F Thunderstreak which were based on straight-wing jets, the F-80 was never developed into a swept wing variant. However the final 1947 layout of Lockheed's next Lockheed XF-90 emerged reflecting experience with the F-80 adapted for near supersonic flight.[1] It retained air intakes forward of a low-mounted wing with wingtip fuel tanks, but with a sharply pointed nosed and a swept wing. Designed as a penetration fighter to escort bombers and perform ground attack, it could exceed the speed of sound in test flights but it never saw production[2]

The first XF-90 prototype.
Not a chance. This is mainly pure hokum. Kelly Johnson set out the design team of Dan Palmer and Bill Ralston who came up with as many as 65 different configurations based around the Penetration Fighter proposal. None of these were either derivatives or modifications of the basic F-80 design according to Jay Miller, David Donald, Bill Gunston and especially, Steve Pace, in his X-Fighters: USAF Experimental and Prototype Fighters, XP-59 to YF-23. St. Paul, Minnesota: Motorbooks International, 1991. ISBN 0-87938-540-5, p. 82, describing the design of the XF-90 in detail. FWiW Bzuk (talk) 22:29, 1 August 2011 (UTC).

Use during WW2[edit]

According to the TV documentary 'Aircraft that never flew' (episode about the L-133), (X?)P80s were sent to Italy (and used) in the dying days of WW2 in an attempt to shoot down Luftwaffe Arado Ar-234s used in their recon role. I'm not going to add that to the article without further confirmation, as it's the 1st time I've heard of it (and it might just be typical TV hype). Anyone else know anything about this?1812ahill (talk) 11:15, 27 February 2012 (UTC)

Two Shooting Star "development" types arrived in Italy just before V-E Day but they did not fly any combat missions, according to Chris Bishop in The encyclopedia of weapons of World War II, page 328. However, according to Bill Gunston (who I have found is less likely to have thoroughly researched his material) the two jets got to Italy in January 1945 and "served under combat conditions", The encyclopedia of the world's combat aircraft, page 131. Roger E. Bilstein writes in Flight in America: from the Wrights to the astronauts that "Lockheed delivered over 100 of these fighters before the end of the war, and some were flying with air force squadrons in England and Italy for familiarization purposes." Bill Yenne writes in his book Lockheed, "In early 1945 two Shooting Stars were sent to England and another pair to Italy. They actually went on patrol searching for Me-262 and Heinkel He- 162 jet fighters, but there was to be no air-to-air combat between jets during World War II." His "on patrol" could be an inflation of Bilstein's familiarization flights. So there is nothing about Arado Ar 234s being hunted, and only throwaway text about combat missions. Binksternet (talk) 14:40, 27 February 2012 (UTC)
That's about the extent of their service, which could still be mentioned, as operational in Italy in January 1945. FWiW Bzuk (talk) 15:48, 27 February 2012 (UTC).
Very interesting, perhaps a case for a DYK!1812ahill (talk) 16:18, 27 February 2012 (UTC)
The following is an edit I made years ago to the 1st Fighter Group article: "There the 1st Fighter Group received two YP-80A jet fighters (serials 44-83028 and 44-83029) sent to the theater for operational testing ("Project Extraversion"). Although the jets were marked for combat operations with easily identifiable tail stripes and the letters 'A' and 'B' on their noses, and flown on two operational sorties by the 94th FS, neither saw combat before the end of the war." I will see what I can do about digging up the original source and posting it both here and at 1st FG.--Reedmalloy (talk) 10:21, 23 April 2012 (UTC)
Splitting hairs here - operational sorties in a warzone are by definition combat flights, regardless of whether they made an interception or fired at another aircraft or not, and even if it was done with prototypes. Encyclopedias of any kind are terrible sources, and most are full of errors - at least use a book that is primarily about the P/F-80 as a reference.NiD.29 (talk) 05:58, 14 May 2014 (UTC)

Operation Downfall[edit]

Is there any chance this aircraft would've been used in the planned invasion of Japan in November, 1945 and March, 1946? (talk) 02:57, 27 March 2012 (UTC)

Count to 262[edit]

I recognize it's generally accepted the P-80 was a response, but the 262 hadn't been encountered yet AFAIK. Can we source it was a direct response? I don't demand it be sourced, just asking, can it be? If so, I'll shut up. TREKphiler any time you're ready, Uhura 07:31, 23 April 2012 (UTC)

I believe I may have several possible sources, one on the P-80, another on Arnold. My understanding to your question is "yes" it was a direct response to intel on the Me 262, and yes that has been published previously. I'll check and report back.--Reedmalloy (talk) 10:23, 23 April 2012 (UTC)
Here are some relevant sources:
The first intelligence about a German jet fighter was received by the Allies around early 1941. The British Gloster Meteor jet program was already underway at that time as was the Bell P-59A jet fighter program in the USA. One can say that the P-80 was a response to the growing threat of the Me 262 but it was also a response to the failure of the Bell P-59A, according to Gordon Greer. We can certainly say that the existence of the Me 262 was the impetus for putting together a very much speeded-up P-80 development program, and perhaps with additional context we can say that the Me 262 was the catalyst for the program. Binksternet (talk) 16:30, 23 April 2012 (UTC)
Somehow I knew I could count on you, Binkster!--Reedmalloy (talk) 04:59, 24 April 2012 (UTC)
That's way more than I needed to be satisfied. 8o If you'd said, "Yes, the sources are there", that would've been plenty for me. Thx a bunch for looking it up, tho. :D TREKphiler any time you're ready, Uhura 02:36, 24 April 2012 (UTC)

"Planes that never flew" documentary[edit]

Something I ran across on YouTube, a TV documentary about the Lockheed L-133 that gives a bit more background and alleges that the P-80 was partially based on that never-built design (also by Kelly). Not sure if this is worth including in the article as part of the history. (talk) 00:27, 10 January 2013 (UTC)

Requested move[edit]

The following discussion is an archived discussion of a requested move. Please do not modify it. Subsequent comments should be made in a new section on the talk page. Editors desiring to contest the closing decision should consider a move review. No further edits should be made to this section.

The result of the move request was: not moved. Favonian (talk) 12:08, 13 April 2013 (UTC)

Lockheed P-80 Shooting StarLockheed F-80 Shooting StarWP:COMMONNAME. The Shooting Star was known as "P-80" from 1945 through 1948, then "F-80" from June 11, 1948 through the end of its service - a much longer period, including its defining service in Korea. The F-82, F-84 and F-86 all started their service with "P-for Pursuit" designations that were changed in 1948 to "F-for-Fighter", but have their pages here at the F designations for the same reasons stated above; there's no reason for the Shooting Star to be otherwise. The Bushranger One ping only 23:35, 5 April 2013 (UTC)

  • Oppose. Most of the story of the aircraft, in terms of the quantity of text in the article, is about the development and the early history when it was called P-80. Binksternet (talk) 00:14, 6 April 2013 (UTC)
  • Oppose - Per Binksternet. Also, it's probably more well known as the P-80, which isn't true of the F-82, F-84, and F-86, as they were developed a little later,and thus spent little or no time under the P designations. - BilCat (talk) 00:34, 6 April 2013 (UTC)
  • Oppose - per both Bink & Bill. She's much better known to me (& doubtless many others) as the P-80, & entered service before the change. (IIRC, both the F-84 & F-86 were after it.) TREKphiler any time you're ready, Uhura 00:39, 6 April 2013 (UTC)
  • Oppose WP:UCN the common form is P-80 not F-80 regardless of how many years the designation F-80 was used. -- (talk) 04:52, 6 April 2013 (UTC)
The above discussion is preserved as an archive of a requested move. Please do not modify it. Subsequent comments should be made in a new section on this talk page or in a move review. No further edits should be made to this section.

P-59 Airacomet[edit]

First, it seems as though there ought to be some mention of the US P-59 Airacomet program, as background at least. This article seems to infer that the P-80 was the first US-designed jet fighter, while at best it was the first SUCCESSFUL US jet fighter. Second, it claims that the P-80 was the first fighter to incorporate its engine inside the fuselage...the P-59 had fuselage mounted engine. I know it says "the first operational" jet fighter to use fuselage-mounted engines, but I disagree...the P-59 was an operational fighter, just not combat rated. Even if one chooses to interpret "operational", it still ought to mention the P-59, at very least. I know that the introduction to the P-59 article clearly states that it was the first jet fighter to have engines buried in the fuselage, which comes across as contradictory unless one happens to take note of the single word "operational". The way the article is written, a reader will interpret it that the P-80 was the first jet fighter designed by the US, and the first to have engines in the fuselage. Most people won't notice the significance of "first operational" fighter, unless they are given some context. As it is, unless one happens to read the whole article and then decide to click on the link to "P-59 Airacomet" in the "see also" section, they will be utterly unaware of the P-59, which taught the US important lessons, if nothing else. .45Colt 08:24, 6 February 2015 (UTC)

The Gloster E.28/39 design also included the provision to carry four wing-mounted .303 machine guns so if one were to include the P-59 as a 'fighter' that would seem to qualify the E.28/39 similarly. The latter had a fuselage-mounted engine and thus precedes the P-80 by several years.
The E.28/39 never had the guns installed, but it was designed for potential use as a fighter, and it would have been usable as one with the final engine fits, achieving ~466mph, albeit with very limited endurance. John Grierson stated that it was the first aeroplane he had flown where he had been able to watch the needle of the fuel gauge slowly moving round from 'Full' to 'Empty' while he was flying it. — Preceding unsigned comment added by (talk) 10:35, 15 April 2016 (UTC)
Highest speed obtained with the Gloster E.28/39 was 505 mph at 30,000 feet with a W.2/700 engine,[3] — Preceding unsigned comment added by (talk) 10:10, 30 April 2016 (UTC)