Autorotation

[Allo]

Just thought I'd share this.

I'm really looking forward to trying the autorotation in this game.:joystick:

 

http://uk.youtube.com/watch?v=4JqmoWAhv5g

 

http://uk.youtube.com/watch?v=GFdBo_mMpVM

 

http://uk.youtube.com/watch?v=7EqbOhqlzlc

 

http://uk.youtube.com/watch?v=JRZllC-qRHo

[Smith]

You,re not alone:)

[leafer]

Anyone of the tester tried autorotation?

[RvETito]

Countless times... ;)

[leafer]

Well? :D

 

C'mon... spill the beans already. Matt's half drunk and on vacation. ED employees are fast asleep. The other testers are surfing porn. By the time anyone know what's up, we'll have already smuggled you to a safe house.

 

Go ahead...

[Sundowner.pl]

Hehe, I remember when for the first time I tried auto rotation practices in Flight Simulator 2004 with Dodo Jet Ranger. For first few times - rookie mistake - dropping collective all the way down, stepping on pedal, and wondering why that fricking thing didn't wanted do 'glide'.

 

It took me some time to realize that dropping the collective should be rather slow, just enough to maintain rotor rpm (and do not worry that it go to 85% at first), and maintain best speed (60kts), I was surprised how far I could fly like that:pilotfly:

[nemises]

I know when I went up for my first introductory rotary flight lesson, the instructor auto-rotated from 1000ft by cutting the engine..

 

scared the bejesus out of me :(

[Allo]

Hehe, I remember when for the first time I tried auto rotation practices in Flight Simulator 2004 with Dodo Jet Ranger.

I had thought about getting FS 2004, but I read that helicopters aren't modeled very well. Is this true? Is it worth getting just for choppers?:prop:

 

I know when I went up for my first introductory rotary flight lesson, the instructor auto-rotated from 1000ft by cutting the engine..

 

scared the bejesus out of me :(

I hope that incident didn't stop you and you continued with the course?:smartass:

[Sundowner.pl]

The FS2004 is ok, as long, as you buy the DodoSim Bell 206 Advanced, both together create best helicopter sim ever :smartass:

 

Also you can buy the FSX which have the helicopters done way beter than 2004, and just wait for Dodo's on it, it will be even bether :thumbup:

[RvETito]

Well? :D

 

C'mon... spill the beans already. Matt's half drunk and on vacation. ED employees are fast asleep. The other testers are surfing porn. By the time anyone know what's up, we'll have already smuggled you to a safe house.

 

Go ahead...

 

I fail to see your question. What exactly you wanna know?

[Force_Feedback]

How much time is there to push down the collective before the blade inertia becomes too low and your only option will become the K-37?

 

I've heard that reaction times of 0.5 seconds were not uncommon on light conventional helicopters, and since the Ka-50 has 'rigid' composite blades (not with paper filler like the Mi-26/Chinook), it's interesting how much time you have before the rotors stop spinning. I know it depends on forward speed, let's assume a hover, 200m above ground, how much time is there to get the collective down and pitch forward?

[Sundowner.pl]

When helicopter manufacturers make the hight-velocity charts, they take a 2 seconds delay between the engine/s failure and pilot reaction. So you have plenty of time :)

 

And... you don't want to go nose down, the air have to flow from underneath the rotor to power it. Just use cyclic to maintain best speed, and collective to maintain rotor rpm.

[Nordic]

The blade inertia doesn't change. The rotational energy of the rotor e.g rotor speed changes and shouldn't drop too much. I guess 200m above the ground while hovering your chances of a succesfull autorotation are low.

[Sundowner.pl]

Maybe someone from ED or testers post a HV chart for Ka-50, than we'll know that for all flight situations.

[leafer]

I fail to see your question. What exactly you wanna know?

 

See that big honking smilies in my post. It was a joke. ;)

 

But, oookayy. Should I list 'em all or am I only privy to one?

[britgliderpilot]

How much time is there to push down the collective before the blade inertia becomes too low and your only option will become the K-37?

 

I've heard that reaction times of 0.5 seconds were not uncommon on light conventional helicopters, and since the Ka-50 has 'rigid' composite blades (not with paper filler like the Mi-26/Chinook), it's interesting how much time you have before the rotors stop spinning. I know it depends on forward speed, let's assume a hover, 200m above ground, how much time is there to get the collective down and pitch forward?

 

From 200 metres?

I can't test it right now, but from memory I wouldn't foresee a problem with that. I reckon sufficient altitude at that point to recover some blade energy, too.

 

However, from the flying I've done so far that's an unusual situation. Practice the drills, sure . . . but if you lose both engines you've likely suffered some rotor system damage as well, so you either try and land with huge vibrations (see the clip of the Apache not making it through the trees), or try and eject before your sinkrate builds and hope you're the right way up.

 

It's very useful to practice, but generally I'd recommend not getting hit in the first place ;)

 

 

It really does add tension to the experience, though.

The other day I got hit by machine-gun fire, lost an engine, was running away, got hit again and lost the other engine at low altitude. Making a successful autorotation into a little Russian village was fantastic - was grinning from ear to ear.

[quo vadis]

The other day I got hit by machine-gun fire, lost an engine, was running away, got hit again and lost the other engine at low altitude. Making a successful autorotation into a little Russian village was fantastic - was grinning from ear to ear.

 

Grinning right until the villagers came out with a vengeance.... :megalol:

[EvilBivol-1]

Grinning right until the villagers came out with a vengeance.... :megalol:

Not modeled at this point, but I'm confident this is something we will see as the DCS engine is upgraded. :D

[Allo]

Anyone of the tester tried autorotation?

 

Countless times... ;)

 

Well? :D

 

I fail to see your question. What exactly you wanna know?

 

An in game video of the KA-50 doing an autorotation maneuver would be appreciated, I'm sure. Would be a great addition to the DCS:BS videos. :director::pilotfly:

[RvETito]

Ok, one hint- IRL coaxial helicopters loose yaw stability at autorotation. Good thing there's enough control range.

[Force_Feedback]

So you can't make a hovering autorotation? What about the wheel brakes then, do they have an accumulator to allow braking? What speeds are we talking about, 50, 100 km/h? Roling starts are fun, rolling autorotations usually end up with severe rotor damage.

[RvETito]

So you can't make a hovering autorotation?

 

Of course you can but it's way too uneffective- the rate of descent is more than 10m/s, meaning that you can't land that way. Having forward speed though is another story.

 

What about the wheel brakes then, do they have an accumulator to allow braking? What speeds are we talking about, 50, 100 km/h? Roling starts are fun, rolling autorotations usually end up with severe rotor damage.

 

You don't need the accumulator- as long as the rotor is spinning with more than 20-30% you'll have hydraulic power available.

[Pirke77]

here is all possible autorotation testing.

 

http://forums.eagle.ru/showthread.php?t=56997

 

if any need more test i am here :)

[bfeld]

So, why did you wait 3 years with your tests and answers? ;)

[Pirke77]

So, why did you wait 3 years with your tests and answers? ;)

 

because i didnt have game then :prop:

(maybe i practice 3 years to fly chopper) :idea:

 

and about any flying and firing on all around , game was bored for me and i only find interest in extreme no engines situations. i only practice any kind of autorotation on any place and any high and any RPM and any speed and .......... ALL about autorotation.

for helicopters this is NUMERO UNO and any other things about helicopters is insignificantly.