Chapter 396: All kinds of whimsical
"Why don't we get on a rocket boost?" At this moment, a man said.
If the power is not enough, then it can only be crooked, of course, rocket booster is not crooked, in the development of aircraft carriers, rocket booster is also marketable.
The plane takes off directly from the aircraft carrier, is faced with the problem of insufficient thrust, the solution of this power, can rely on external means, in addition to the catapult to provide power, with rocket boost, is also an idea, as long as additional power is added.
In fact, not only aircraft carriers and carrier-based aircraft, but rocket boosters, in fact, there is an emergency idea.
For example, in the mid-'50s, NATO feared that a Soviet nuclear bomb raid could destroy Allied airfields and planes parked on the ground, leaving NATO powerless to retaliate.
So, they decided to evacuate the fighters to a nuclear-protected bunker away from the airfield, so that they could indeed avoid a nuclear strike, but after the nuclear strike, they would have no runway.
Then, in order to achieve take-off, they mounted these aircraft on a special stand and took off with a rocket boost, so that the interceptor could take off urgently into the air to intercept it, and this concept is zero-distance launch.
For this experiment, the Rocket Propulsion Division of North American Aviation developed a solid rocket motor that could fit the F-100D on the bottom of the rear fuselage. The engine can produce 58,970.44 kg of thrust for four seconds, which is enough for the F-100D to accelerate from 0 to 482.70 km/h in 4 seconds. The rocket engine fell off when it ran out of fuel, and the F-100 continued to climb under its own power.
This experiment was successful, but in the end, it was not completed and was not put into service.
Not only fighters can, but in later generations, there are even experiments carried out by transport aircraft, for special operations, the Americans decided to install rocket boosters on the fuselage of the C130, and such a transport aircraft was forced to achieve the ability of short take-off and landing.
It is simply impossible to complete the task of taking off and landing in a space the size of a football field.
As a result, the initial experiments were successful, and until the last time, because the rocket was started prematurely, which led to the final failure and was not put into practical use.
After talking for a long time, in short, this thing is not so easy to use, and it can't be used in an emergency, let alone used in large quantities on aircraft carriers.
Not to mention other problems, even if the reliability is fully guaranteed, just talk about this rocket thruster, how to do it?
If you can reuse it, where do you throw it away every time you run out? Is it on the deck or in the sea, do you have to send a helicopter to fish every time?
If it is a one-time thing, how many booster rockets should you carry for that time when you go to sea?
This problem alone is crazy enough, and as long as one is of substandard quality, it may cause a major disaster, and the US Navy also has a lesson, just one rocket on the deck accidentally ignited, and almost burned the entire aircraft carrier.
So, after hearing someone's proposal, Nathan immediately shook his head: "No, absolutely not, booster rockets, not suitable." ”
If it is to be suitable, then why do you still engage in catapults? It would be nice to use booster rockets, and now, Nathan immediately vetoed the idea of booster rockets.
"Or, let's make a slot on the deck and install a section of catapults?" In short, the thrust is not enough, and if you think of an extra way, will it work to install a simple catapult? It doesn't need to be tens of meters long, even if it's just twenty meters, it is enough to provide enough additional power for the aircraft.
It's just a few tons of thrust from a load.
Catapult?
No kidding!
If there was a catapult when it was originally designed, then the equipment is okay now, if there was no catapult when it was designed, and the catapult is modified now, the amount of work will definitely make the Navy crazy.
It's not just as simple as opening a slot, where are the pressure tanks attached to the catapult installed? Powertrain support is not supported? That's right, you have an aircraft carrier powered entirely by gas turbines, where do you go to get steam, do you need to add another boiler? How stupid does that have to be?
"No, the amount of work on the catapult is too large, and it is even more unrealistic."
Even Woodward opened his mouth to deny this plan.
All kinds of plans will not work, and the aircraft carrier is about to dock.
"It seems that there is only one solution." Just then, Nathan spoke.
Hearing Nathan's words, everyone's eyes widened: "What a plan." ”
Major Nathan has a lot of ideas, and in the navy, it has long been spread, and all kinds of strange ideas were put forward by Nathan first, such as the idea of tying the immortal bird missile to a hundred tongues, which Nathan first proposed.
Everyone was expecting Nathan to come up with an earth-shattering plan, but Nathan disappointed them.
"Change the engine for the Tomcat." Nathan said.
What Nathan said was the most normal solution.
Look at the later generations of Su-33, J-15, are able to achieve full fuel and full of ammunition to take off, although it is the farthest take-off point of 195 meters, and its own side is only 167 meters, but, the Tomcat fighter has the advantage of a variable sweep wing, which can reduce the required take-off speed.
And the reason why the current situation has occurred is because the Tomcat's engine is not powerful, if the Tomcat fighter can have a strong engine, it must be able to achieve a distance of 167 meters to take off with full fuel and full ammunition.
You don't need to hang six undead birds, even if you only hang four to take off, it's already very strong, and then further reduce the requirements, at least full of fuel, hang two undead birds, four sparrows and four rattlesnakes, right?
If so, how much thrust does the engine need?
11.5 tons, Nathan has already thought of this number, and now, there is a difference of about three tons of thrust, two engines, each with an additional 1.5 tons of thrust, it will be enough.
Although Nathan prefers the F100 with a thrust of more than 12 tons, or the F110, but it is only 79 years now, and these two engines have not yet matured, but this does not mean that there is no way for them.
At this time, Allison should have completed the TF41 upgrade plan, right?
TF41 is a modification of the Spey engine, the model without afterburner is used in the attack aircraft, and the model with afterburner is used in the Tomcat fighter, which is not a situation in later generations, and it is realized under the impetus of Nathan.
At the same time, the current TF41 does not increase the thrust, so it is still inappropriate, and Allison has followed the improvement plan of this engine, with the goal of increasing its power to 11.5 tons.
I don't know how their progress is, after all, this is not a newly developed fighter, it is just a modification, and it should be progressing quickly.
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