Working Title CJ4 Discussion Thread

Can you post their link here?

Thanks for your reply, I learned new things about the Engines Technology.
I agree with you in a cruise leve is better for the Engines keep a way to iddle, now I know when cruise is shown on display I can set the power lower.
I was confused also because if the power is below 50% the Air speed will be slower for example mach.50 it is very slow for that kind of Jet, I guess. However I am going to try and keep in mind what you said!

Thank you!!

Here’s Greg’s channel: https://www.youtube.com/channel/UCG4IsPelLNPJZrL7sqZmBPQ

For the record, Greg flies a Premier 1, not a Citation, but his avionics suite is virtually identical to the CJ4 we have (CitationMax’s CJ3+ has a Garmin glass cockpit).

This is actually not correct. The CJ4 is limited to 5 minutes in TO per flight. Normally you would knock back into the CLB detent shortly after liftoff and leave it there while climbing. Climbing is normally performed at FLC 240kts / .64M. You can leave it in CLB once you hit cruise until just under the red tape, then pull back into CRU.

In general your cruise power setting is going to be in the in the mid 90s to high 80s N1.

The FADEC is effectively three settings: full forward is TO, which is takeoff thrust (max available power). CLB detent is behind that (we model the detent, if you pull the throttle back a little from full, it will click into place and show CLB), and represents max continuous power. This power is adjusted with ambient pressure and available N1 overhead. CRU is the rest of the range under that.

-Matt

Hi! Yesterday I tried everything you said, the flight, performance was awsome. It was a little trouble with Vnav but I thing was my fault.
Thank you for your advices and share the mod. It is very confortable learn how is the real aircraft, it can be useful in the future!

Fasten your seatbelts and have a nice day!!

I’ll be interested to see how your Class Echo works with the CJ4 - if you have any tips for getting it set up, please post them here as I’m sure many of us will benefit.

RE: the Bravo - don’t rub it in. :smiley: I’m still waiting for them to come back in stock!

I will do my best to do that. A thing I ordered six months and 22 days ago is coming today so that will help me determine how to set up the Class Echo when I get the display on the 5th.

Since v0.9.1 adjusted the flight model, I have found that I need substantially more nose down takeoff trim. I have been setting the takeoff trim right at the top of the green band, but after takeoff I still need to add quite a bit more nose down to keep the pitch at 10-12 degs of nose up.

I also noticed that during level flight at cruise (say FL400), there’s an awful lot of nose down trim.
Anyone else notice this?
Do others have a preferred takeoff trim setting?

I’m gonna watch some YouTube videos to see if I can see any trim settings.

EDIT: I watched a couple YouTube vids. T/O trim was probably 2/3 down the green band (i.e.-favoring nose up). As I mentioned, I’ve found that I need lots of nose down for T/O.
Trim in cruise definitely favored nose down, probably pretty close to the WT CJ4.

Ditto - same thing on nose down trim

So, in the real CJ4, takeoff trim green band is actually 1-4.5 degrees nose down. We have it set a bit further back from that due to MSFS flight model reasons, but your setting would not be unreasonable for the real plane. We’re probably going to shift that band as the FM gets closer and closer.

And, like the real deal, it needs a ton of nose down trim after the acceleration height. You’ll see somewhere between 60-80% ND trim depending on the CG. CJ4 pilots generally start dialing in ND trim right after flaps up because it really wants to get skyward.

-Matt

Oh, glad to hear that !
I went by the feeling trying to set it up a bit closer to the bird, and yes -30% is what I also found more or less ideal.

Hello, Can someone help me test the mod taking off from KSFO. No matter what I do I cant get the airplane to stop playing KSNS Atis, 124.85, even after I change the frequency on all the radios.. I change all the frequencies on the TUN page of the FMS. I tried pushing the COM1 and 2 buttons.

I am able to tune away from the this particular frequency using other aircraft when departing KSFO.

User error or bug.. Either way id love to know how to stop it. Thanks!

Hi, I have just been having an issue where when the aircraft reaches a waypoint it will not recognise that it has and switch to the next. Instead it goes into a turn to re fly over the waypoint. Haven’t had this issue till today, any idea?

That is weird given that you changed all the freqs on the TUN page. However, try turning the COM2 volume knob to off.

Great! Thanks Matt for that info, especially the need for nose down trimming during initial climb.

Or if you have co-pilot handles radios turned on then he (or she) is changing them back

Check if you have ‘Inhibit’ active on the legs page, and change it to ‘Auto’

I noticed that as soon as I posted! Doh!

I got my display yesterday so I was able to put the Class Echo together this morning. Here are some pictures of it (I am currently flying the A320 Neo from KSEA to KCMH)





Notice in the autopilot that VNAV, LNAV and LOC are grayed out. They are currently inop but I believe that will be fixed in the next firmware update, but you can still do FLC and VS with this. I was able to start my APU, start the engines as well as engage the autopilot. You can also change frequencies, hdg, crs, altimeter and a lot with it as well.

I will do my best to do a flight in the WT CJ4 tonight to see how it works with it. I am willing to venture a guess and say it will be about the same, but we will see!

Oh yeah, forgot to mention, I didn’t have to configure a thing on the Echo with the firmware! It was plug and play right away!

Next waypoint: BLOWS? That; was too funny!

Looks great!