skywalker said:
Cobras have been in service since the end of Vietnam, the Current Model, the AH-1W has been in service since the early to mid 90s.
Yep, a lot of the final acceptance testing was done in 70-72 - at Kofa Range, YPG. I did not realize that they had made it up to the -W model.
The Huey, upon which the original cobra was based, was designed int he mid-50s and trust me, when you learn how everything works, it shows. Its current model is the UH-1N and I can't begin to imagine ho wlong they have been in service, but trust me, it is to long.
You've been TDY out here before; did you see the two Rescue birds? One's a -G model, the "new one" is a -H!
It will soon be replaced by the UH-1Y which will take ont he cobra's engine pack and it's new drive system, and get a seriously modified airframe also. The kewlest new feature for it will be external aux fuel tanks. Currently they are kept in the cabin limitting passanger space, which is why hueys are generally not used for special ops missions, something that the yankee model has already been approved for.
They gonna hang the aux tanks off the winglets you previously mentioned? (I hope)
The huey will also become quieter because it will get swept blade tips - some the whiskey model cobra already has, but the November model huey does not. Trust me, the difference is insane in nosie levels.
The "scimitar" blade profile has been around for a while (my little Taiwanese R/C plane uses them). It's much more efficient, and the tip profile
seriously cuts down on tip vortices! Tip vortices at cruising RPM's quickly become supersonic - which is what causes the "whop-whop" sound heard on the ground. I'd bet that the helical pitch ratio has been possibly increased to take advantage of the swept tips at cruising RPM's - and that means more efficient use of the powerplant.
Adding the 2 extra blades also quiets them down oddly enough, causes fewer vibrations, enable shigher speeds, less strain ont he engines and allows higher altitudes.
What little tip vortex action is left from the "scimitar" profile is broken up by doubling up on the number of airfoils - even less "whop-whop". You get a greater gyroscopic action with the added rotational mass of two more blades - more flywheel effect to create more rotational torque and better vibration dampening. More "pull" from the rotor assembly with less "pull" on the powerplant.
Why did you say "oddly enough"? You've got to be beating more than vague explanations out of the test and promo dogs. If not, I'm becoming disillusioned here
You see that ont he A-10s because their avionics systems limit them to close gun runs which are not always the best way to do things. In a helo, a gun run is GREAT! You can vary you airspeed to suit the gunner, even hover if the situation is safe enough. They still use missiles on helos.
Well, yeah, the helo is a more stable platform; I wont even attempt to argue that.
In an A-10, the aircraft is armored out the ass and built around the .50 gatlin gun.
A little bigger, actually -
30 double-mike Yeah, kids, that's a 1-1/8 inch diameter slug
They have a history of committing fratricide with those guns too, due to their inability to properly ID targets due to poor comm systems and poor avionics.
No argument there, either - Warthogs just aren't as "sexy" as some laser-guided hotrod; so they don't get the refits they deserve.
The F/A-18's A model, though not nearly as kewl for tank busting as an A-10 is much more advanced. They are VERY much capable of making gun runs with their 20 mike mike, but they are a much more precision guided system. A Hornet is much more likely to launch a missile or a small laser guided bomb at the target.
See my previous comments about the sucky refit record on the 'Hog. Also, compare the helo's and Hornets to the A10's from a "survivability" standpoint. To use your term, "..armored out the ass..." - which means it can spend more time over a battlefield and less time limping home.
If they could only solve the impossible dillema of the power plants sucking up so much "golden BB" FOD- which would be an issue if the Hornet dropped down that low as well
Which would I prefer? I'll take that cobra, huey or hornet. Why? If I get that cobra or huey, I know they can more easily ID the target and less likely to shoot me due to the dedicated gunners. With the hornet, I might be able to laser designate the target for him and he might not even have to leave his pattern to take it out! Also, with the A-10, I'm likely to have to wait for him to make 2 passes and pray he found the right target and not my team before he fires a shot.
I'm with you on the helo's; still a little shaky on the F18's. As far as the A10's target acquisition - well, I'm just right back at that sucky refit record. And, I gotta tell ya; the manueverabilty of the 'Hog is just plain Kew-elll. Low and slow, and it turns like somebody put a couple of jumbo turbines and a big-a$$ gun on a crop-duster biplane. If the driver's any good, those two passes you're waiting for will happen pretty doggone quickly for a jet. It can't hover, but it can turn itself around in a short time. A lot of the practices I saw had the 'Hog driving up to his FO's from over Indian Country; then snapping out a hammerhead and pulling the trigger on the bad guys from
right above "his" troops. Your ears hurt a lot, but the big noise is going away from you. Try
that in a Hornet! They're only close to that manueverable at insane speeds and when painted a sickly shade of blue with gold lettering.
Oh, and speaking of the Navy's "Ambassadors of the Sky"; NAF El Centro is solidly in the golden "No Touchie" column on the BRAC list. Which I guess means that somebody in the Navy's PR department has a little sway!
