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capt. windh
05-08-2010, 11:16 AM
Hi.

I am having trouble getting the F4U off the deck and into the AIR (and not the water) in 1946.

I do the usual: Flaps set, Canopy open, Engine Start, Rev up 110%, chocks off.

But when I reach the threshold I´m at about 110km/h. --> water ditch.


Any ideas? (This is in Carrier Takeoff, in single missions)



/Johan

julian265
05-08-2010, 11:34 AM
Too heavily loaded with bombs and fuel? Prop pitch below 100%?

capt. windh
05-08-2010, 11:54 AM
Too heavily loaded with bombs and fuel? Prop pitch below 100%?


No bombs, Fuel 100%, Prop pitch: Auto

Meusli
05-08-2010, 12:12 PM
Try without cockpit open as that causes drag.

capt. windh
05-08-2010, 12:20 PM
Alright. I managed to get her up, skimming the watersurface. But are you not supposed to be able to launch with Fuel 100% and (some) bombs at least? It feels REALLY heavy.

In the Training they got it up to around 150km/h before reaching the threshold. I´m at 110km/h.


EDIT: This problem is ofcourse only present on the really small carriers.

zaelu
05-08-2010, 12:28 PM
Use the catapult :D

AndyJWest
05-08-2010, 01:09 PM
The catapult only works with mods zaelu. (and before you ask, we can't tell you anything about mods on this forum).

This is a recurring question, and it seems the F4U is marginal on takeoff. There was a recent thread on the Mission4Today site about this, which may help:http://mission4today.com/index.php?name=ForumsPro&file=viewtopic&t=7113&finish=15&start=0

janpitor
05-08-2010, 07:45 PM
I think corsair was never ment to fly from escort carriers.

zaelu
05-08-2010, 08:35 PM
...and before you ask, we can't tell you anything about mods on this forum..


LOL, You know... I wasn't born yesterday... at least not in IL-2 world :P

zapatista
05-09-2010, 02:46 AM
is the carrier you are taking off from moving ? the speed of the carrier into the wind (or static air) was in real life important to add lift and works in il2 as well

for about half the carrier missions you dont need full fuel tank AND max bomb load either (eg carrier defensive shield aircraft didnt carry bomb loads etc..) , so play with the ratio's as well depending on the missions to in il2

iirc with carriers in il2 you should be able to launch with 500 kg bomb load and full fuel, but then you need to do everything right on launch (and be on a moving carrier obviously). once you get to the end of the deck you will dip down and just skim the water (so make sure your gear goes up immediately once you leave the deck). this might be a bit more severe then in RL, but its doable in il2

when PF initially came out the problem was much worse (some aircraft unable to launch with even minimal loads iirc), then following feedback some changes were made by oleg to bring carrier takeoffs closer to historical loads and speeds. but it still isnt perfectly matched iirc. for most missions you can now takeoff with most aircraft using required fuel and weapons loadouts.

Romanator21
05-09-2010, 03:38 AM
It helps to lock the tail wheel. That way you won't be fishtailing on the deck and wasting energy. Prior to releasing chocks, set flaps to "combat" and when halfway down the deck, lower them to "takeoff" or "landing". It's also critical that sometime after this point your tail is already in the air. Once you cross the threshold, immediately raise your gear, and correct for torque since your nose will be pointing upward.

Typically I can takeoff from most carriers with a maximum load this way. Escort carriers are another matter, but you shouldn't have to take a full bombload from those anyway.

AndyJWest
05-09-2010, 03:50 AM
Another thing that seems to make a slight difference when taking off from a carrier is timing the chocks release relative to any roll the carrier has. If you are starting from the left side of the carrier, you will want to move right as you start your run, to ensure you don't go over the edge, and if you wait until the carrier starts rolling to the right this will help.

capt. windh
05-09-2010, 07:58 AM
Alright guys, thanx for the input.


@Romanator: Was this the way they did it IRL?

zapatista
05-09-2010, 09:49 AM
Prior to releasing chocks, set flaps to "combat" and when halfway down the deck, lower them to "takeoff" or "landing".

good point

i dont usually use flaps at all till the last 1/3 of the carrier deck, and then quickly set them to takeoff at the last possible moment (there is a slight delay with flap responses in il2, as there is in RL, and it means by the time you are at the last 10% of the deck you should be getting the right lift from takeoff flaps without having wasted drag in the earlier part of the run)

there are some limitations oleg had to work with under those parameters (moving carrier, wind modeling, aircraft speed etc..) and it didnt fully allow him to 100% correctly mimic TO speed and loadouts iirc, but you should be able to takeoff with the correct loadout in most missions now

Romanator21
05-09-2010, 07:14 PM
Was this the way they did it IRL?

I don't know at the moment. Pilots always used the tail wheel lock when available, and you should too. I promise, you won't be a noob if you do. :) Pilots also had to be very conscious of torque and other forces and anticipate them.

But I'd be skeptical that pilots would occupy themselves with lowering flaps while accelerating down a narrow and short deck. They probably set "landing" flaps prior to launch. The method I describe gets you accelerating faster as it reduces drag. I should also mention that I'm designating the flap designations loosely in the way that Il-2 describes them, and that in reality the pilot set flaps marked by degrees.

The F-4U was regarded as a very difficult aircraft to takeoff and land from a carrier. Huge numbers were lost to accidents. Don't be hard on yourself if it takes a while to get used to. Practicing in a Hellcat can help a great deal. It has stronger gear, better visibility, and in my opinion, is a better fighter anyway.

AKA_Tenn
05-09-2010, 10:56 PM
is the carrier pointed into the wind, and moving? carriers gotta be moving pretty quick to get a heavy sair up...

heywooood
05-10-2010, 02:56 AM
is the carrier pointed into the wind, and moving? carriers gotta be moving pretty quick to get a heavy sair up...


heavy sair up...on pancakes....don't forget the butter


if you are not familiar with the mission builder - get familiar - because then you can set the carriers speed and direction (into the wind) for easy takeoffs...

to set players plane to takeoff from a carrier - you first place the carrier...give it speed and direction - then place your aircraft near it on the map - then select 'target' and click on the carrier - that sets your plane on the carrier for take off

Icewolf
05-10-2010, 03:20 AM
in two weeks ,patch 4.10 there will be a catapult on carriers

AndyJWest
05-10-2010, 03:46 AM
in two weeks ,patch 4.10 there will be a catapult on carriers
'Two weeks'?

'A catapult on carriers'?

I don't suppose you have a link to where you got that, Icewolf?

Jovianmoon
01-13-2012, 07:48 PM
Hi.

I am having trouble getting the F4U off the deck and into the AIR (and not the water) in 1946.

I do the usual: Flaps set, Canopy open, Engine Start, Rev up 110%, chocks off.

But when I reach the threshold I´m at about 110km/h. --> water ditch.


Any ideas? (This is in Carrier Takeoff, in single missions)

/Johan

Don't bother. By the time you slowly and agonizingly taxi up to the precise catapult point (using unrealistic external view because it is impossible to do it from the cockpit view), if you're lucky enough to find the precise spot your squadron mates have long gone. Or you'll miss the exact point, and have to restart the mission.

I would be happy to taxi up to the catapult, say, within a couple of metres of it and then hit a key to lock on. No. No such hotkey. For all their genius (which is considerable), the modders (for my install UP3.0) seem to have excluded such an option.

I do this: I don't fly F4Us, only F4Fs and F6Fs. When the deck is clear enough I release the chocks, slowly taxi to the centre of the deck near my start point, re-engage chocks, rear wheel centered, set trim and cowl flaps, unfold wings, wing flaps to take off, throttle up to full, release chocks again and then zoom down the deck (perhaps with a slightly sickening dip at the end).

Ignore the useless catapult, for goodness sake.

KnightFandragon
01-14-2012, 01:59 AM
Lol, I tried that very mission just yesterday and after like 20 tries managed it. I did it: with Landing Flaps, 50% fuel, let my engine rev up a bit and then relased chocks. Made it off the carrier and dropped to like 10 inches above the water, but it worked unlike the nose dive like before...it seemed the landing flaps gave me just enough lift. Oh, and as soon as i get off the ground or carrier I lift my gear to reduce the drag from those..

I now wonder how the catapult works so I can fly the F9F Panther...

h0MbrE
01-15-2012, 06:26 AM
This is actually an old thread from last year. There is an ongoing discussion about the Corsair's lack of performance since the 4.11 update HERE (http://forum.1cpublishing.eu/showthread.php?t=29082)