RPM Not Tied to Throttle Once in Air

[NHawk]

With a single throttle setup, once you're in the air RPM is no longer tied to throttle. Only Manifold is changing, RPM remains maxed out until you're on the ground again.

Found it true on N1K2 and BF110-G2.

[Krusty]

You cannot cross-link RPM and throttle anymore, if that's what you were trying. You can only have either RPM or throttle associated with the single throttle you have. You have to use the keypad +/- to change RPM while flying.

Unless I've mis-read the problem?

[NHawk]

If you have a single throttle mapped as Throttle, RPM and Manifold are suppose to be linked to it automatically. If they aren't suppose to be, then something is really wrong with this patch and mapping of controls.

EDIT: Experimenting with this offline, the RPMs are not tied to throttle while on the ground since they drift up to max RPM.

I really don't want to invest in a throttle quadrant to control both RPM and Manifold at once. Please link them together if RPM is not mapped.

[BlauK]

Haven't they been like that for a long time already... I mean separate?
Throttle controls the engine manifold and e.g. +/- keys control the "rpm" which actually means the propeller revs... or the prop blade angle which causes the propeller spin either faster or slower.

[hitech]

They never have been linked to the throttle. Unless you explicitly linked throttle and rpm in the previous version "select joystick". This you can nolonger do.

The resone the RPM changes with throttle on the ground is because there is no longer enof wind threw the prop to keep it turning with low throttle settings. When at cruising speeds the plane is maintaining RPM even at low throttle settings.

RPM would only be reduced when trying to glide, or consurve fuel. WEP always pushes both throttle and RPM to there max.


So the normal AH setup is, Throttle slider controls the (Throttle/manifold pressure,i.e. how much air the engine takes in)

+ & - keys on the key pad control RPM, I.E. the prop governor.

HiTech

[NHawk]

HT...

I'd think the RPM being cross linked to the throttle is (was) pretty common. I know my setup had it linked in one mode and mapped to a dial in another for landing, etc.

While we gained some things with the new mapping system, we lost others.

Is there ANY chance of default linking RPM to the throttle? Or at least making it an option checkbox?

[hitech]

I know my setup had it linked in one mode and mapped to a dial in another for landing

I do not belive previous version had any way of changing modes on axises?

And what purpose does it serve to map them to the same axis?

HiTech

[NHawk]

I might have been dreaming with my settings then.

Increased prop RPM results in increased drag slowing accelleration in a dive. So having rpm tied to the same axis as the throttle allows for faster speed increases in a dive when the throttle is chopped. Especially the 110 when in a dive with RPM at full and throttle chopped you gain speed at a slower rate than with both throttle and rpm chopped.

So, placing them both on the same axis makes life simple.

[rpm]

I have a similar problem. I use an X-52 and have RPM mapped to the slider. It will work on engine 1 but not all engines. Also, if I relog I have to manually remap the input every time and the keyboard RPM commands do not work.

Gotta say the new joystick setup is a [size=10]huge[/size] PITA.

[hitech]

NHawk: You lost me why would you wish to do what you describe?

I.E. You would chop throttle to to not speed up as much. But you wish to pull rpm back to speed up more?

HiTech

[332nd outlaw]

RPM  not sure what you can do to stop having to remap everytime but if you leave rpm 2,3,4 unmapped they slave to rpm 1

[NHawk]

Originally posted by hitech
NHawk: You lost me why would you wish to do what you describe?

I.E. You would chop throttle to to not speed up as much. But you wish to pull rpm back to speed up more?

HiTech

I understand why I would lose you, it's very hard to explain.

The best way I can think of saying it is....

If you're ready to dive on a target you don't want to gain a huge amount of speed in say 2k (throttle and RPM full up) which would cause you to need to bleed off energy. But you want to do it in less than say 8k (throttle chopped, rpm full up) which has you to slow for your target 5k below you. So, you use both throttle and rpm chopped to build speed within 5k and maintain control.

It's a finesse thing I guess.

[BlauK]

NHawk,
I just wonder why you could not achieve the same thing without touching the RPMs.. simply by using a bit more throttle instead of chopping it?

Furthermore, how would you slow your speed to pull out from a dive when the plane begings to compress with your previous linked setup?
If you pull back the trottle, your propeller blades would adjust for less drag and you would not be able to slow the plane as fast... if at all. IMHO, at least the 109s would be very difficult to fly with such linkage.

[Kermit de frog]

Originally posted by NHawk
I understand why I would lose you, it's very hard to explain.

The best way I can think of saying it is....

If you're ready to dive on a target you don't want to gain a huge amount of speed in say 2k (throttle and RPM full up) which would cause you to need to bleed off energy. But you want to do it in less than say 8k (throttle chopped, rpm full up) which has you to slow for your target 5k below you. So, you use both throttle and rpm chopped to build speed within 5k and maintain control.

It's a finesse thing I guess.

NHAWK, you are not making any sense.

I don't think anyone on these boards can understand you either.  I think you might have a misunderstanding about something.

[NHawk]

I fully understand what I'm saying and I have a very good grasp on the function of RPM and the drag it creates.

HT..forget it. I'll plug in a 2nd throttle and link it that way.