Has anyone else found the time for the props to stop, pretty long? From my experience it should only take several seconds.

Yes I noticed ths too. Way too long to stop rotating

Not sure,

if you put the props into full feather right after shutdown, what I think a lot of RW C90-Drivers do, then they stop rather quick, but to be honest I have no personal experience how fast or long it should realy take.

Not sure,

if you put the props into full feather right after shutdown, what I think a lot of RW C90-Drivers do, then they stop rather quick, but to be honest I have no personal experience how fast or long it should realy take.

 

As I stated in the other post, didn't realize that we had to CTRL+F2 to get full feather, and when I do that it stops correctly.

As I stated in the other post, didn't realize that we had to CTRL+F2 to get full feather, and when I do that it stops correctly.

 

Ahh ... sorry didn´t see, I use a Goflight TQ6 and so I don´t have this problem.

My problem might have been the same when i tested this.

Has anyone else found the time for the props to stop, pretty long? From my experience it should only take several seconds.

 

Actually, in RL, this class of turbine contains a "free wheeling" clutch which allows the engine to be started prior to spinning up the prop which is exactly what happens. With this size of prop will take quite some time to spin up/down as they are not directly "hard tied" to the turbine.

This is the first turboprop I have seen in FS that actually approaches real life spin-down time ---- that being said, they do spin up too fast. The props have considerable moments of inertia and do take time to spin up and down, independent of the engine. The classic PT6 turboprop is generally known to be a "free wheeling" design, but some turbroprops are not free wheeling in which case the propeller must spin up as the engine is spun up DIRECTLY via the transmission.

 

Having said that, the spin up time is a bit quick but that is OK. A great job that Carenado has done.

 

Cheers --- Bob --- :Big Grin:

^^ This is true. Though I haven't flown the C90 yet, a good buddy of mine is left seat on a 350. You usually put the props into feather before you shut down the engine. If not, they take a VERY long time to finally come to a hault (essentially the hydraulic pumps have to slow down enough to finally feather the prop) which can take a few minutes. Every so often the odd pilot forgets to pop his engines into feather before shutting them down...and the ground crew always give you odd looks as they can't approach the plane with these props still spinning at 1000+ RPM.

 

Always feather your props on shut down :) It's what the real world guys do! At least from my small biased knowledge from PAL SOP's...

 

He did say that some companies DON'T feather because they "believe" it puts more stress on the engine...but in the PT6 the prop isn't even connected to the gas turbine so that doesn't make much sense to me...

 

Anyways have fun with the new C90 :)

OK this is cool.

 

I mapped the button below my prop lever on my Saitek throttle to Prop Pitch Decr in FSUIPC. Now when I shut down I pull the lever all the way back before shutdown and when I cutoff the fuel the props spin down much more quickly.

 

With SP1 and all the great mods (and knowledge) from you guys this plane is AWESOME!

Actually, in RL, this class of turbine contains a "free wheeling" clutch which allows the engine to be started prior to spinning up the prop which is exactly what happens. With this size of prop will take quite some time to spin up/down as they are not directly "hard tied" to the turbine.

This is the first turboprop I have seen in FS that actually approaches real life spin-down time ---- that being said, they do spin up too fast. The props have considerable moments of inertia and do take time to spin up and down, independent of the engine. The classic PT6 turboprop is generally known to be a "free wheeling" design, but some turbroprops are not free wheeling in which case the propeller must spin up as the engine is spun up DIRECTLY via the transmission.

 

Having said that, the spin up time is a bit quick but that is OK. A great job that Carenado has done.

 

Cheers --- Bob --- :Big Grin:

 

I was stating that that the spin down time was too long but found that it was being caused by the props not getting into full feather because of an axis problem i guess. Even with the free-spining turbine it should only take a few seconds to come to a stop as it does with the carenado and in RL. Now of course it should take a little longer on the startup but its good enough.