Hi folks. Does anyone know what the defrost switch in the Caranedo M20R is for? 

I had it on, and cabin heat on full, and still froze.

I know the RL model isn't rated for ice conditions, but wondered what the switch is for.

Windshield defrost is not modelled on any airplane.

You can, however, bind a key to the "Windshield De-ice" function and it will turn on the windshield defrosters. (I use CTRL-I, it's up to you.)

At least, it works for me, in the airplanes I fly, even if they have no defroster control on the panel.  It doesn't clear ice off the airframe or prop, but it will allow you to see where you're going by defrosting the windshield.

Edit: I verified the windshield de-ice function does work with the Carenado Mooney.  Too bad the de-ice switch in the cockpit doesn't turn it on.  That may be an SDK limitation.  I can't find any internal variable name in the SDK that would trigger it.  But the function, when assigned to a key, works.

Edited February 27, 20215 yr by Dutch727

I think defrost forks as you can see few holes on windshield. However, structural icing doesn't affect Mooney performance. This but was introduced last Carenado Mooney patch and has never been corrected since 😞

1 hour ago, Dutch727 said:

You can, however, bind a key to the "Windshield De-ice" function and it will turn on the windshield defrosters. (I use CTRL-I, it's up to you.)

At least, it works for me, in the airplanes I fly, even if they have no defroster control on the panel.  It doesn't clear ice off the airframe or prop, but it will allow you to see where you're going by defrosting the windshield.

Edit: I verified the windshield de-ice function does work with the Carenado Mooney.  Too bad the de-ice switch in the cockpit doesn't turn it on.  That may be an SDK limitation.  I can't find any internal variable name in the SDK that would trigger it.  But the function, when assigned to a key, works.

Thanks, I'll map a key for future. 

27 minutes ago, sd_flyer said:

I think defrost forks as you can see few holes on windshield. However, structural icing doesn't affect Mooney performance. This but was introduced last Carenado Mooney patch and has never been corrected since 😞

It's just as well ice is not affecting performance just now, as I'd have dropped like a stone.

It would also be good if MFS showed if icing conditions were likely. 

13 minutes ago, squareflux said:

Thanks, I'll map a key for future. 

In a real plane like the Mooney, if you have ice on the airframe, you crash. 

10 minutes ago, Bobsk8 said:

In a real plane like the Mooney, if you have ice on the airframe, you crash. 

LOL! All-inclusive statements like that are always false.  Crashing would depend on the extent of the icing and the time it takes the pilot to take corrective action(s).  Corrective action(s) can certainly include quickly and decisively exiting from the conditions producing the icing once it begins to be experienced.

30 minutes ago, squareflux said:

It's just as well ice is not affecting performance just now, as I'd have dropped like a stone.

It would also be good if MFS showed if icing conditions were likely. 

Look at outside temperature gauge! if temperature below 0C and visible moistra outside (clouds, rain and etc), then you will get icing 🙂

I have found I can turn all the various de-icing options on and off with the mobile companion app on another device but whether they do anything is another matter never tested it.  The in cockpit switch seems inop or only partially working.

25 minutes ago, sd_flyer said:

Look at outside temperature gauge! if temperature below 0C and visible moistra outside (clouds, rain and etc), then you will get icing 🙂

You can also use REX WF and check real world aviation sites for icing PIREPS.....

1 minute ago, fppilot said:

You can also use REX WF and check real world aviation sites for icing PIREPS.....

Yes one can check Airmet Zulu as well wind aloft forecast for freezing layers . But MSFS generate icing in any clouds as long as temperature is below 0. It's not necessarily always a case IRL

35 minutes ago, fppilot said:

LOL! All-inclusive statements like that are always false.  Crashing would depend on the extent of the icing and the time it takes the pilot to take corrective action(s).  Corrective action(s) can certainly include quickly and decisively exiting from the conditions producing the icing once it begins to be experienced.

I was looking at the picture of icing that was posted. Down like a boulder, would be the result. 

Just now, sd_flyer said:

Yes one can check Airmet Zulu as well wind aloft forecast for freezing layers . But MSFS generate icing in any clouds as long as temperature is below 0. It's not necessarily always a case IRL

Fully agree with that.  Does not however change my reply to your all-inclusive statement.  If you had stated "in MSFS 2020" I would not have posted.

1 minute ago, fppilot said:

Fully agree with that.  Does not however change my reply to your all-inclusive statement.  If you had stated "in MSFS 2020" I would not have posted.

I meant in MSFS I look at outside temperature gauges in all Carenado airplanes. If there  are visible clouds I climb to altitude where temperature shows above 0C to and stay there.