30 degrees flap? How? When? THX

[majapahit]

30 degrees flap? How? When? THX

 

Cant figure out this 30 degrees flaps

I can do to clicks that end up at 20 degrees

 

but that 30 degrees must mean something?

what am i missing?

 

thx, mt

[Tornado_Pilot]

Maybe you have to lower the gear? Or be at or under a certain speed in order to deploy the flaps to 30 degrees.

[wickedfastball]

I imagine the 30 mark on the flap position indicator is a remnant from an earlier version of the aircraft (or something like that). Besides, another 10 degrees of flaps would probably only add drag and not contribute much (if any) lift, and drag, along with copious amounts of bad-assness, is something the A-10 is not short of.

[mikey]

Or maybe the flaps gauge comes from another aircraft because why should you redesign gauges if you can just grab one from another aircraft. Btw if you'd read the manual you would've seen that the only 2 positions of the flaps are "Maneuver" (7 degrees) and "Full" (20 degrees).

[Snoopy]

Or maybe the flaps gauge comes from another aircraft because why should you redesign gauges if you can just grab one from another aircraft. Btw if you'd read the manual you would've seen that the only 2 positions of the flaps are "Maneuver" (7 degrees) and "Full" (20 degrees).

 

7 & full is all the A-10 has ever been able to do even the preproduction model.

[Vullcan]

I always forget to change it to "maneuver" and pretty much leave it on no flaps after takeoff (sometimes I dont even use flaps for take off! O_O)

 

What am I missing, is there a big difference? When should one be using "maneuver"? The name suggests you would use it anytime you are not flying to and from your point of contact aka whenever you're not just cruising around.

[genbrien]

7 degrees (manouver) if for takeoff and 20 degrees (full flaps) is for landing

[TeeJay82]

Manouver is for taking sharper turns during combat at the expense of speed..

 

TO and LND flaps speak 4 themselves

[mikey]

Yeah, but flaps don't engage under 185 IAS anyway right? After what I read about the 210 IAS limit there is no real use for MNV flaps except for taking off.

[Flamin_Squirrel]

Manouver is for taking sharper turns during combat at the expense of speed..

 

I cant say for sure, but I doubt it.

[majapahit]

I cant say for sure, but I doubt it.

 

seems doubtfull to me also

but it's standard procedure for our wingman :pilotfly:

if you press F2 F2

 

so what does DCS know we dont know?

[Avilator]

Manouver is for taking sharper turns during combat at the expense of speed..

 

I cant say for sure, but I doubt it.

 

seems doubtfull to me also

but it's standard procedure for our wingman :pilotfly:

 

Why else would they be called maneuver flaps if this was not the case?

[Flamin_Squirrel]

Why else would they be called maneuver flaps if this was not the case?

 

Manouvering is anything other than wings level flight, including turns in the circuit, (which is what I expect manouver flaps are used for as well as for take off) it doesn't necessarily mean combat manouvers.

 

The A-10 wing is already designed for fair agility at low altitudes and lastly, deploying flaps decreases your lift/drag ratio, which I also suspect isn't a great idea when being shot at.

[beers]

I wonder what would happen if the flaps mechanics were damaged, if th flaps extended due to gravity rather than being set to full, if they might display in that 30^ area?

[effte]

If the flap mechanics are damaged, anything can happen depending on how they are damaged. The most likely outcomes, IMHO, are the flaps coming off entirely, the flaps seizing in some random position, lower or equal to the flap setting set at the time of incurring the damage, or the flaps disconnecting from the actuators and retracting due to aerodynamic forces. The interesting question is if the flaps will remain synchronized. If not, you're in a world of trouble.

 

As for manoeuvring flaps, check the combat performance section of the dash 1. I can't find any turn performance data indicating an assumption of manoeuvring flaps set. Draw your own conclusions.

 

It does however state that the drag penalty from manoeuvring flaps is small, so the concept is viable. It does increase maximum lift (d'oh - that's what they are there for!) so it will enable you to pull slightly harder. Personally, I do use the first stage of flaps to give better instantaneous turn performance or enable sharper pull-ups at times, aware of the fact that it will hurt my sustained turn performance. As they'll retract around 200 knots, you're getting slow if you have use of them anyway, so the best general advice is probably to simply keep the speed up and forget about them. Standing by to be corrected by someone trained on the A-10 though.

 

Some other aircraft do have combat flap settings, so it's not an unheard of concept.

[beers]

not a 'world of trouble' when flaps are stuck, unless the emergency retract doesn't work. I forgot that the aerodynamics would push the flaps up, so in order to be stuck down it has to be mechanically stuck and not just flapping-in-the-wind. And if the system's "full" setting is 20^...

 

now i'm going to stay awake at night wondering what condition would make that last 10^ on the flap indicator come into play.

[effte]

not a 'world of trouble' when flaps are stuck

 

Nope, nor did I say you'd be. I do maintain that you will be in a world of trouble if the damage is of a kind which allows them to get out of synch though. "Flap asymmetry" is one of those phrases which pilots scream when they wake up from a particularly nasty dream. :)

 

I have no idea about the fail-safes to prevent this condition on the A-10, but a well-placed 20+ mm or rod from a SAM warhead will certainly have the ability to rapidly introduce a design change.