Search results for query: afterburning J52

The high bypass engine pictured has a center tailcone, but I think this is more of a flow director as part of the core flow / fan flow integration, since the exhaust flow is unlikely to be supersonic. The Hound Dog missile with the J52 turbojet definitely had a plug nozzle since the nozzle...

It seems several efforts were made to exploit Mach 2 performance in the Marut. William Green in his 1964 edition of 'The World's Fighting Planes' mentions the Mk2. The USSR had offered the RD-9F but apparantly becuase the Soviets were unwilling to develop the type further beyond its M1.4...

Specs for the J52-P-408A, the immediate predecessor of PW1212: Dry Thrust: 11,200lb st (49.8kN) Mass flow: 65kg/sec Length: 3.02m Diameter: 0.81 Dry mass: 1053kg Pressure ratio: 14.6:1 Config: 5/7/1/2 Combustor: cannular SFC: approx 0.9 T/W ratio: 4.83 Pressure rise per stage: 1.25:1 For...

That’s a good thought! You could also skip the development costs of a J52 afterburner and engine fitment with a higher thrust J65/Sidney Sapphire found in the Gloster Javelin: 11,000 dry and 12,300 wet. A big jump in thrust from 7,500 dry and 10,500 wet while using older tech.

There's also an Option 5. Make the TTL MOTS Phantom the Spey-Phantom. Ideally, it would be built for the US Armed Forces instead of the F-4B and F-4C onwards, but it's more likely to be from the F-4D and F-4J onwards. One of the OTL F-4L proposals was for a Spey-powered aircraft that could...

Singaporean A-4SU. The base -S model adds two more wing hardpoints, cockpit armor, spoilers, Sidewinder capability, and DEFA cannons. The two-seater TA-4S got a 28" fuselage stretch with a stepped instructor's seat in back so they can see better. Interestingly, these kept the J65 of the...

or given the diameter an adapted version of the AB on the J-65.. either way it would be about the size of a J-65, except this one would not SUCK! Taking a look at it by dividing the wet thrust by the dry thrust to give an idea of how much the AB boosts things... using either of the options gets...

According to Brad Elwood in his Crowood volume on A-4 Skyhawk:

IIRC some of the jet powered Russian anti-ship missiles have plug nozzles as do the cores of several high-bypass engines I can think of on commercial airliners.

I have always been amazed an afterburning J-52 never saw the light of day. I guess by that time, turbofans were a thing. Still, it had a very good pr, SFC, and was compact for the power it produced. It ended up with a better SFC and PR than the J-79, and arguably could have produced as much...

The TF30 was virtually equal to the non-afterburning Spey in power, fuel consumption, & weight - but was slightly larger in diameter (42" vs 38") and length (125" vs 115"-118"). As it was originally designed as a subsonic engine* (like the Spey was), it would have been suitable for similar...

Wow, these (and the rest of the early '60s photos) are wonderful! Particularly the the B-58/YJ93 pod! What we are looking at is (as mentioned above) is a plug nozzle. I do not know if it was first developed first on the rocket side or the jet engine side in the mid-fifties, but this technology...

Well it was further developed into turbofan and Swedes jammed it in a fighter jet.

Indeed. Nearly every place where someone calls for "afterburning J52s" before the late 1970s the cheapest, easiest, and most realistic answer is "install a J79". The weakest (and earliest) J79 was the J79-GE-3 of the F-104A and F11F-1F Super Tiger (1955): thrust 9,600 (14,800 a/b) lb.s.t...

Spey RB. 168-25 (Mk 201 Phantom FG.1; Mk 202/203 Phantom FGR.2) 12,250 lb.s.t. dry, 20,515 lb.s.t. reheat RM JT8D-22 (RM8A AJ-37 14,000 lb.s.t., 26,000 lb.s.t. reheat [RM8B JA-37 16,400 lb.s.t. dry, 28,100 lb.s.t. reheat]) Just a slight difference in thrust there. An afterburning TF41...

it would have been a perfect thing for P&W to offer as an alternative/swappable for GE's J-79. How many AH's have we all seen where something like "but you would have to fight for/divert production from X,Y or Z? IN this case it would be J-79 production in the early 60's.

Because it doesn't give you much acceleration. It's fine for supporting cruise once you're fast, but terrible for accelerating to that speed. Afterburners are much better for sudden acceleration demands. Also, it doesn't take much diameter increase to get a 3:1 bypass ratio, even from a...

Still do. The SAAB 21R used a licensed-built Goblin (first Swedish jet, most converted from piston-engined 21As). The SAAB 29 Tunnan used a licensed-built Ghost. The SAAB 32 Lansen used a licensed-built Avon 100*. The SAAB 35 Draken used a licensed-built Avon 200 or 300. The SAAB 36 was a...

The Belgium Air-Force needed 63 Jet-Fighters and 27 reconnaissance version and 16 Two-seat trainer version of same Aircraft here is something odd the A-4 Skyhawk is a carrier-capable ground-attack aircraft My guess they consider A-4 as low cost alternative, but i get sneaking suspicion this...

As I noted in my original comment, most plug nozzles have been mounted on a sting support aft of the inner wall of the turbine exhaust case. Variable convergent area is accomplished by axial translation of the plug. On the XJ89 cross section, it is showing the plug supported by three struts...