Strange problems with the Boeing 707 (anti-ice) [solved]

[Timmon63]

Sorry if I am doing this wrong, but I am very much a newbie to this.

Whenever I fly the Boeing 707, I get a strange problem about an hour into the flight in which the anti-ice warning sounds and tells me to turn on the wing anti-ice. But the wing anti-ice is on along with the nacelle anti-ice, fuel heaters, and window heaters. So I am confused why I get this warning when all the systems are already on. I don't know what to do and I always end up crashing as a result. Does anyone else experience this? If so, what should I do when this happens?

Also, on short flights (when I am not airborne long enough to get the anti-ice problem) I have trouble during the landing part. For some reason, I lose the ability to control the yoke and the throttles after I turn off the autopilot. Does anyone know why that is?

Any help anyone can give me on this will be deeply appreciated.

[The epic chicken]

i have the same ice problem
for the autopilot try an ils landing

[Timmon63]

Thank you. I will try the ILS approach for landings.

As for the anti-ice thing, well at least now I know I am not the only one who experiences that. Hopefully there is someone on this forum that knows a solution to it.

[WoodSTokk]

Have now taken a flight from Vienna/Austria (LOWW) to Kalamata/Greece (LGKL) on FL350 with out any problems.
Only point that i find is that the windshield heater has two positions : LOW and HI.
But i think this doesn't bring a aircraft in a condition to crash if you set it to LOW.

FG 2020.4 with B707 from FGAddon-trunk.

PS: strange thing … the DME doesnt work allways.
I had a DME reading after take off to the first VOR.
On the important part, the landing on Kalamata i havn't a DME.
I have looked into /istrumentation/dme/ and all works well, but the display in cockpit shows nothing.

[Timmon63]

Have now taken a flight from Vienna/Austria (LOWW) to Kalamata/Greece (LGKL) on FL350 with out any problems.
Only point that i find is that the windshield heater has two positions : LOW and HI.
But i think this doesn't bring a aircraft in a condition to crash if you set it to LOW.

FG 2020.4 with B707 from FGAddon-trunk.

PS: strange thing … the DME doesnt work allways.
I had a DME reading after take off to the first VOR.
On the important part, the landing on Kalamata i havn't a DME.
I have looked into /istrumentation/dme/ and all works well, but the display in cockpit shows nothing.

Well, I tried that by flying with the window heat on low. It didn't work and about 1 hour and 20 minutes into the flight I got the wing ice warning and my plane lost control

[Timmon63]

Well, thank you for your help. I have talked to four people about this now, both here and offsite. It seems that I am not the only person that experiences this as all four other people said they also experience weird anti-ice warnings after 1 or 2 hours of flying that results in them losing engines and control. Since this seems to happen only with the B707 and no one seems to know what to do, I think this might actually be a glitch or something with the programming for the plane. It's a real shame since the 707 has always been my favorite plane

[Alant]

Try contacting the developers. There is a link in the header of most of the 707 source files.

[wkitty42]

does the craft have random failures option? if yes, is it enabled? if yes, turn it off...
you would find this in the in-sim F10 menu over on the right in the craft's options section...

[Timmon63]

does the craft have random failures option? if yes, is it enabled? if yes, turn it off...
you would find this in the in-wim F10 menu over on the right in the craft's options section...

I always had the random failures option disabled. Really the only thing me and anyone else I have talked to can think of is that it is probably some kind of software glitch.

[Timmon63]

Update: I just tried a flight from Houston (KHOU) to Phoenix (KPHX). About 3/4 of the way there I got the anti-ice warning and lost engine power. I checked my fuel tank status and saw that Main 1 and Main 4 were empty at that point and it was engines 1 and 4 that I had lost power to. Could it really be a problem with the fuel tanks instead of the anti-ice?

[sidi762]

Yes it could be. You have to manage the fuel tanks by your self on a 707, and if you don't do so the fuel will run out on some tanks. I think I've seen a procedure for that in the manual for cs707.

Kind regards,
Sidi

[Timmon63]

Yes it could be. You have to manage the fuel tanks by your self on a 707, and if you don't do so the fuel will run out on some tanks. I think I've seen a procedure for that in the manual for cs707.

Kind regards,
Sidi

Thanks!

[Timmon63]

Final Update: Okay, so after further reading on how to manage the fuel tanks I realized that the only the reason I was having the anti-ice issue was because I wasn't monitoring the fuel tanks. Main tanks one and four would run dry after about an hour or so and when that happened I lost engines 1 and 4, resulting in me losing altitude and control. Being at a high altitude with less hot engine air for the anti-ice systems resulted in the anti-ice warnings sounding just seconds after losing the engines.

By learning how to monitor and manage the fuel tanks through the valves and pump switches I was able to fly from Houston (KHOU) to Washington DC (KDCA) without any issues.

Thank you everyone for your help. Now I can fly the beautiful B707 without any issues