Engine Power/Aircraft Speed

[Saxman]

49 minutes ago, captain_dalan said:

That's the middle position, right? 

Correct.

[captain_dalan]

2 minutes ago, Saxman said:

Correct.

I've been using that for the most part, though to be honest, on the few occasions I push the lever all the way to the top, it doesn't seem to be making a lot of difference performance wise. Is it the fuel consumption or engine over heating that are most effected? 

[Invisibull]

56 minutes ago, captain_dalan said:

What is your throttle setting? I get 59 by pushing it all the way forward.

Could be. At least those pylons we haul around must be worth some extra weight, on top of drag.

It absolutely is implemented. I have it on one of my HATs. That's how I got to 317 knots (in the second part of the video) and 320 in a shallow dive to the deck. Make sure your binding is working. 

Are you referring to "Enable Water Injection"? If so, I have verified the mapping and when I press it, the manifold pressure doesn't change. That's not to say it's not working, just that that keystroke does nothing. From the real flight handbook: 

[captain_dalan]

1 hour ago, Invisibull said:

Are you referring to "Enable Water Injection"? If so, I have verified the mapping and when I press it, the manifold pressure doesn't change. That's not to say it's not working, just that that keystroke does nothing. From the real flight handbook: 

But do you get an increased performance as a result of pressing it? If so, then the bug isn't the total power/speed ratio, but the instrumentation. 

EDIT: when I press it, I get at least 9 extra knots down low. 

Edited Sunday at 02:35 AM by captain_dalan

[Invisibull]

Yes, I do see an increase in speed. The issue is that the increase in power should be primarily the result of the expected increase in manifold pressure, which doesn't happen. It stays the same whether I "enable" the ADI system or not. Aside from the MP, all the other values are pretty much dead on. 

 

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[felixx75]

9 hours ago, Invisibull said:

The button press changes nothing, so it seems to not be implemented yet. As said in another post, the lack of a wire to inhibit travel of the throttle makes it pretty obvious that it's still a WIP. 

The button pressure cannot change anything, as the water injection is already activated at full throttle (is automatically activated at full throttle)... Without water injection, you should not reach 57.5 MP. But you reach the value, so the water injection is probably implemented

The button is not a "turbo" button that increases the speed. It allows higher MP values by injecting a mixture of water and methanol. So if 57.5 MP is reached at full throttle, this only happens because the water injection has been activated.

What happens in the P-47 when you activate the injection (with a button), happens in the F4U when you push the throttle lever all the way forward.

Edited Sunday at 06:13 AM by felixx75

[Art-J]

^ That's how the system is supposed to work indeed. But if it's true that some guys get a couple of extra knots by pressing that nonexisting button anyway, then we've got another FM simplification/bug to report.

[captain_dalan]

8 hours ago, Invisibull said:

Yes, I do see an increase in speed. The issue is that the increase in power should be primarily the result of the expected increase in manifold pressure, which doesn't happen. It stays the same whether I "enable" the ADI system or not. Aside from the MP, all the other values are pretty much dead on. 

 

null

Could be a number of things then. Maybe the instruments don't show the right values. Or it could be that the plane performance isn't directly "bound" to the pressure parameters. Might be a bug worth reporting on separately. 

[Invisibull]

6 hours ago, Art-J said:

^ That's how the system is supposed to work indeed. But if it's true that some guys get a couple of extra knots by pressing that nonexisting button anyway, then we've got another FM simplification/bug to report.

The key command is currently acting as the throttle detent's micro-switch. The broken wire graphic suggests this is a temporary implementation. I don't think "some guys" are getting extra knots - either everyone is, or no one is. 

5 hours ago, captain_dalan said:

Could be a number of things then. Maybe the instruments don't show the right values. Or it could be that the plane performance isn't directly "bound" to the pressure parameters. Might be a bug worth reporting on separately. 

Would be nice if M3 weighed in and explained what we're all seeing. 

[Nealius]

I'm not following how the water-injection via detent thing works. For example in combat at 3,000ft MSL or so I have the throttle at max forward (past that detent) yet I'm only pulling 45-50" (-ish, can't tell because of the spastic needles). I should be getting 56.5 according to the manual.

Edited yesterday at 12:10 PM by Nealius

[Saxman]

1 hour ago, Nealius said:

I'm not following how the water-injection via detent thing works. For example in combat at 3,000ft MSL or so I have the throttle at max forward (past that detent) yet I'm only pulling 45-50" (-ish, can't tell because of the spastic needles). I should be getting 56.5 according to the manual.

The detent doesn't work. Whether because it's not set up yet, or by design. If you go into the control bindings for the Corsair, there's a separate bindings for Water Injection On and Injection Off. These need to be assigned to either a keyboard button, or a button on your HOTAS (I programmed virtual buttons on my CH quadrant so I could bind it to throttle position).

[Invisibull]

4 hours ago, Nealius said:

can't tell because of the spastic needles

Go into F2 view and you'll see exact RPM and speed. I have it mapped for when I do tests like this that need exact values. 

[Art-J]

2 hours ago, Invisibull said:

Go into F2 view and you'll see exact RPM and speed. I have it mapped for when I do tests like this that need exact values. 

Even better, hit Left Ctrl Y while in cockpit view and you'll get the info bar as well, toggling between IAS, TAS and off (albeit, If I recall correctly, TAS in info bar in not really TAS but GS - at least it used to be long ago. Worth checking again with some wind set in th mission).

[Invisibull]

Thanks, never used that one before. 

[Nealius]

11 hours ago, Saxman said:

The detent doesn't work.

That's not my question. My question is if the throttle range is okay, as I am not getting the manifold pressure I should be getting according to the throttle setting.

[Saxman]

23 minutes ago, Nealius said:

That's not my question. My question is if the throttle range is okay, as I am not getting the manifold pressure I should be getting according to the throttle setting.

It's still your answer, because it's WHY you're not getting the MP you're expecting.

At full forward throttle on the real Corsair ADI kicks in, which is what boosts MAP into the 59in range. Since currently injection is NOT being activated by throttle position in the M3 Corsair, it's not going to reach that pressure UNLESS you hit the "Water Injection On" button. Throttle alone isn't enough.

[Invisibull]

16 hours ago, Saxman said:

it's not going to reach that pressure UNLESS you hit the "Water Injection On" button. Throttle alone isn't enough.

The current implementation of the "enable water injection" key command does not affect MAP. At 1,000 feet and full throttle, MAP remains at 57", regardless of whether the key command is activated.