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Forums 1C:Maddox Games IL2 Maddox General Discussion Extra Ammo in P47 Makes You Heavier But...|
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as you expend it does it make you lighter?
Thanks, Mark |
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Easy way to test:
Set unlimited fuel, but limited ammo. Go into QMB, see how fast you can get the 47 to go in level flight. Then shoot all your ammo, and see how fast you can get it to go in level flight. If it's faster after shooting your ammo, it is lighter. Let us know what you find out. ---------------- Flying online as nate85 "I can buy a scalpel, that doesn't make me a surgeon." - M_Gunz |
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The trade off is very slim to none. Normally, i always use extra ammo settings, but sometimes i forget, and i notice no performance gain by using the default ammo load.
This doesn't mean there isn't a performance gain, its just not that noticeable. I'm not in flight, and suddenly telling myself, "oops i forgot to load twice as much ammo again". Not til the 'out of ammo' warning pops up. Come to think of it, i don't think the plane is any faster or slower, but the roll performance might be slightly better. It would be an interesting test. |
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The diffs in performance besides speed and roll, should also mainly be noticed in climb and turn.
It should be rather easily to check via device link. |
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Device link?
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Default is less than 100%? Hm, no wonder my Seafire runs out of ammo so quickly after getting a kill or two in campaigns.
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It's only a few planes with an "extended ammo" option. P-47 for example has 200rpg on "normal" and 425rpg on "extended" option. Some other planes that come to mind are some versions of P-39 and a Mossie, maybe also Beaufighter. Stock Seafires should have standard 120rpg for cannons. No one in sane mind ever turns when he has any other option. ~ DKoor |
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As I assumed (judging from past experiences) level speed is virtually the same... @ SL it is 584kph for both fully loaded 47 (extra ammo) and 47 on Extra Ammo that shoot out all ammo.
However huge gaps are observed in climb ability; From take off position to 4000m; 1000m 1:56 2:04 2000m 2:44 2:58 3000m 3:34 3:53 4000m 4:24 4:49 First time column is for 47 with Extra Ammo that emptied the guns prior to take off, second is for 47 that is fully loaded with Extra Ammo. Main conclusion: difference in weight is modeled. Linked to this, turn ability is probably also modeled as well, because lower RoC will impact turn times. |
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+1 -- as it should be. The Lead Sleds hurt more in acceleration and climb and benefit in dive. The thing is that compared to the unloaded weight of a P-47, what percent is a couple thousand rounds of 50 cal? When people take a plane out to see what it can do they really find what they can do with it. |
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Wow, I really would have thought that the extra weight would cause more drag and affect the 47's top speed. ---------------- Flying online as nate85 "I can buy a scalpel, that doesn't make me a surgeon." - M_Gunz |
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At high speed the difference in AoA needed to make the extra lift is tiny. In a slow plane perhaps it does? Crumpp!
When people take a plane out to see what it can do they really find what they can do with it. |
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LoL I just re-read my post above and boy I've made one of the most confused posts I ever posted here
 .I guess that's all part of that "English not being primary language" thing. 
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I was thinking more along the lines of more weight = more lift = more induced drag. ---------------- Flying online as nate85 "I can buy a scalpel, that doesn't make me a surgeon." - M_Gunz |
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Don't sweat it. Your english is very good. ---------------- Flying online as nate85 "I can buy a scalpel, that doesn't make me a surgeon." - M_Gunz |
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It does and there is that CL squared term in the induced lift formula too. But as was finally hammered into me by Ugly_Kid, the ratio of induced to parasitic drag is so low at high speed that even to double it has little meaning. When people take a plane out to see what it can do they really find what they can do with it. |
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Works for me. ---------------- Flying online as nate85 "I can buy a scalpel, that doesn't make me a surgeon." - M_Gunz |
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I've done a little testing on the effect of weight on max airspeed in IL-2, and as the theory says it should, you only get a noticeable effect at high altitude. I don't have the figures to hand, but it is simple enough to reproduce.
Does anyone know the correct technique for measuring roll rate, though? As has been said, this should change with ammo load in a P-47, but I'm not sure how you would measure it. |
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If you're going to fly the P-47, take the extra ammo. It's a big plane with 33% more firepower than the P-51D. Forget your gunnery % and blast away.
 |
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IL2-Moderator |
I would take it a step farther and say if you're going to take a P-47, and not going to take ordnance, then always take the extra ammo loadout.
So what if it affects your turn radius or roll rate. If your turn radius (or lack thereof) is contributory to your demise in the jug, that's your fault...not the extra ammo's. Fly it high, fly it fast and use it for what it does better than any aircraft in the game...which doesn't involve very much turning.  p.s. Oh yeah...I'm back.   ======================================================== Now plying the skies as TX-Thunderbolt |
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Historical load outs were somewhere between 300 and 400 rpg depending on the ordinance.
I'm not sure why 200rpg is the default, as that usually represents a very heavy load, ie rockets/bombs and a drop tank. For that reason i usually take extra ammo, when not taking any other ordinance. Not to brag but my online personal best is 7 planes in the same sortie with this plane using the extra ammo. I know that's not that much, as i'm sure there are other pilots out there who can top that in their bird of choice, but it was interesting cause I had to return to base for more fuel, while i probably still had about ten seconds of firing time, guesstimate. |
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Forums 1C:Maddox Games IL2 Maddox General Discussion Extra Ammo in P47 Makes You Heavier But...
