T & P need 10-15 mins to settle. Don’t chase the needles. And apply small changes. At this alt (2400 or so?), mixture should be practically
fully forward
Looks OK. 30" / 1900 RPM (slightly low, try 2100). Oil temp looks OK. Give it some time. Did you load the right oil for the temp (50F)?
Ok I increased to 2100rpm. Btw The other engine also came down to 70psi oil pressure.
I selected SAE30.
Ok so I took your advice and didnt chase the needles. I set oil shutters to 95% closed
NAd after a couple minutes both needles stabilized at 70 psi. Ill try to get them to 60 now.
Almost reached mydestination
Edit: one of them just shot to 120+ again ![]()
70 psi would be just fine. SAE30 is good.
You’ll get it. Small changes to shutters, then wait and see.
This is my favorite ride in the game and I had all these problems at the beginning. My advice is to ignore oil temp completely. I adjust shutters to keep Oil Pressure between 70 and 90 and I’m golden every time. I cruise around 1800-1850 RPM and and lean to between 65-70%.
I take off with shutters fully open and slowly close them to keep Oil Pressure from going over 90. Mind your oil grade and make slow engine adjustments. I heard anecdotally that with old radials you should aim to make engine power adjustments at the speed of the second hand of a clock.
This module in its current state is one where you have to adjust your flying technique to anecdotal best practices rather than what you think it ought to be. I still think it’s brilliant.
Made it to my destination
Ok it seems like trouble on my end. But still one thing annoys me:
Why do I make a change. Then nothing happens for 5 min and suddenly in a time period of 10 seconds the pressure changes. I mean I know now Im not supposed to “chase the needle” but why does the pressure and temp drop/increase so all of a sudden instead of a smooth gradual change of this 5 min time period.
The lag in response after input comes from the fact that when you open the shutters, it takes time for all the engine oil to circulate through and cool off/warm up. You have to make adjustments more based on the movement trajectory, rather than its current reading. Most importantly, make small adjustments.
Someone had a great explanation further up here, I’ll look for it.
Alright. One thing I learned from this flight is that the adjustments should be really small. Like tiny.
Anyway thanks everyone for this nice first flight.
While the ground crew does its job Im wondering is there anyway to fix the VHF radios “in between” to positions? I found that makes it possible to tune any frequency on VATSIM.
And 100kHz channel spacing is not usable.
I’ve been following the last posts and I find this addon fascinating. I don’t have it because all the criticism it has received the past months due the absence of the developer. But I’m changing my mind after read these posts.
Does it has a cargo version?
No. They are all passenger cabins.
Indeed, Otmar’s silence is awkward. However, the B247 really has only a few bugs. And because it bypasses much default functions, it is quite robust to Sim Updates.
Did you check the Music radio function, and the Co-Pilot add-on ? https://flightsim.to/file/42759/boeing-247d-co-pilot.
Okay guys, just departed on my second flight and I gotta be honest with you.
The way it suddenly shots up within 5 seconds after not touching the power for 5 minutes doesnt feel right.
It shots up wether I make a tiny tiny adjustment and even if i dont adjust at all.
Also its not delayed, its explosive. If the oil really was to circulate it would slowly abd consistently change indications over a long period of time. The pressure skyrocketing to maximum indicated despite full oil shutter and not touching anything for multiple minutes cant be as intended.
After a couple minutes the pressure misteriously drops again
Im gonna fly more and try different oil but something is odd here…
2. Succesful flight. 1. flight on VATSIM. In order to tune 123.225 I had to hold the selector between to positions but it worked (apprx. a min before I slipped into a different frequency)
Switched to SAE20W. Basically similar observations. Tried to adjust oil shutters by keeping a position for 5 mins, then selecting half way between the old position and oil shutters closed position. At apprx. 95% after 3 min the oil pressure stabilized at 70psi after staying at 120+ the whole flight.
Valuable experience for the next flight right here.
The oil temps on the gauges read too low, it is a known bug with the gauge. Right it off as typical dodgy 1930’s tech and use oil pressure instead.
Basically keep an eye on oil pressure and make sure it stays around 70 or 80 - be aware that it can change very rapidly particularly with changes in altitude/OAT etc . Try and “stay ahead” of the oil pressure.
Are you using time compression by any chance? I’ve never used it with this plane but I’ve heard it makes Ts&Ps do wild stuff. I’m not sure why you’re experiencing that, it’s hard to know without watching.
Looking at your power settings I humbly suggest pulling those RPMs waaay down. When I’m taking off I keep it at 2150 and for cruise I don’t go above 1900, usually 1750-1800. That might be a big contributor.
Hi. I dont know what time compression is so I cant tell you if I use it. As every other planes work wirhtout issues Id say no.
Well I tried both high rpm (>2k) and low rpm (<2k) and both seem to have the same effect.
Nothing happens for 3 minutes, then drastic change (between 70 psi - 120+psi) back and forth.
Ill try new stuff today tho






