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Take Off Rolls Difficult

Featured Replies

My guess is that it will be the same as any other FSX/P3D till this day, a 3rd party addon will have to alter it to their aircraft. Its not that i don't trust Asobo, its just that they got 1000 other things they prioritize and this one is not even on any of their published lists... 

MSFS2020, 24, Fenix A320,  Ryzen 9 9950X3D, ASUS TUF RTX 5090 ,G.SKILL 64GB 6000MHz CL28

  • Author
3 hours ago, fl95 said:

I am a real Piston Engine Pilot and I can confirm, that it is sometime difficult to steer a starting Aircraft.

Achim

Sure, that I expect, but it's the way in which it is modelled in the sim. It was touche don earlier, that it's almost like being on ice, and that I'm sure isn't right.(?)

3 hours ago, Paul J said:

This is the config that helped me most, Rocky:
   https://1drv.ms/u/s!AueVg7eVAeXMlUBqJmTobpIfhnyZ?e=ardy4Y

Edit: (with Assistance
set to Hard  -> Off - all the way down)

It allows a good amount of boot at taxy while allowing one to find a "hold point" to counter a cross-wind, and then to lessen that pressure as the speed builds. One of the issues I found is that ( I think) - some aircraft appear to have left and right brake pressure applied via the rudder pedals whilst taxying - yet others don't have this. It makes for a confusing appreciation of getting anything setup so that they all behave approximately the way one might expect. The other "pain" is that many airfields don't have a readily-visible windsock. I'm using r/w weather and feel that it works pretty well - also "Weather Preset Pro" on occasion, too.
ATB.

pj

Hiya Paul, good to hear from you. Thanks for the link. I think perhaps I will try configuring the Crosswinds in MSFS directly rather than in A&O and see if that helps. 

Howard
MSI Mag B650 Tomahawk MB, Ryzen7-7800X3D CPU@5ghz, Arctic AIO II 360 cooler, Nvidia RTX4090 GPU, 32gb DDR5@6000Mhz, SSD/2Tb+SSD/500Gb+OS, Corsair 1000W PSU, LG Ultragear 48"4K, MFG Crosswinds, TQ6 Throttle, Fulcrum One Yoke
My FlightSim YouTube Channel: https://www.youtube.com/@skyhigh776

  • Author
3 hours ago, fl95 said:

I am a real Piston Engine Pilot and I can confirm, that it is sometime difficult to steer a starting Aircraft.

Achim

Sure, that I expect, but it's the way in which it is modelled in the sim. It was touche don earlier, that it's almost like being on ice, and that I'm sure isn't right.(?)

3 hours ago, Paul J said:

This is the config that helped me most, Rocky:
   https://1drv.ms/u/s!AueVg7eVAeXMlUBqJmTobpIfhnyZ?e=ardy4Y

Edit: (with Assistance
set to Hard  -> Off - all the way down)

It allows a good amount of boot at taxy while allowing one to find a "hold point" to counter a cross-wind, and then to lessen that pressure as the speed builds. One of the issues I found is that ( I think) - some aircraft appear to have left and right brake pressure applied via the rudder pedals whilst taxying - yet others don't have this. It makes for a confusing appreciation of getting anything setup so that they all behave approximately the way one might expect. The other "pain" is that many airfields don't have a readily-visible windsock. I'm using r/w weather and feel that it works pretty well - also "Weather Preset Pro" on occasion, too.
ATB.

pj

Hiya Paul, good to hear from you. Thanks for the link. I think perhaps I will try configuring the Crosswinds in MSFS directly rather than in A&O and see if that helps. 

1 hour ago, DD_Arthur said:

It seems to me once you hit 40kts going down that runway, all planes - to a greater or lesser extent - want to veer to the left...

Sure, as expected due to prop yaw, but as was touched upon earlier, the planes often feel like they're on ice!

Howard
MSI Mag B650 Tomahawk MB, Ryzen7-7800X3D CPU@5ghz, Arctic AIO II 360 cooler, Nvidia RTX4090 GPU, 32gb DDR5@6000Mhz, SSD/2Tb+SSD/500Gb+OS, Corsair 1000W PSU, LG Ultragear 48"4K, MFG Crosswinds, TQ6 Throttle, Fulcrum One Yoke
My FlightSim YouTube Channel: https://www.youtube.com/@skyhigh776

6 hours ago, Rockliffe said:

Is this just me, or is there some intrinsic issue with the inner workings of MSFS that make take offs just overly sensitive in the yaw axis.

No it is not just you. Takeoff and Landings are an absolute joke! I've seen people say you need rudder pedals for the yaw to behave correctly! That is garbage as XP11 does not exhibit the problem. Developers refuse to fix it. I I taxi the any GA aircraft at about 15-20 MPH and turn the plane it will tip over. It's quite funny honestly. Also A PIA to work around!

3 minutes ago, Rockliffe said:

Sure, as expected due to prop yaw, but as was touched upon earlier, the planes often feel like they're on ice!

I mean ALL aircraft, including jets.

Something in the flight dynamics is missing during the transition from the ground to the air....and vice versa...

In my opinion 🙂

12 minutes ago, DD_Arthur said:

I mean ALL aircraft, including jets.

Something in the flight dynamics is missing during the transition from the ground to the air....and vice versa...

In my opinion 🙂

This has been mentioned many times and is on Asobo's long list... In the meantime we just have to "fly the airplane" as best we can.  Reducing crosswinds is my personal "fix".

Bert

1 hour ago, Bert Pieke said:

This has been mentioned many times and is on Asobo's long list... In the meantime we just have to "fly the airplane" as best we can.  Reducing crosswinds is my personal "fix".

Indeed.Been flying the Kodiak exclusively as late, but had a short flight in the Virgin Islands earlier so took out the 170B for a spin with a 12kt crosswind. What a disaster. No matter what I tried, there was no way that plane was staying on the runway. Just horrible, and coming from the Kodiak which behaves so well, especially on the ground. I have zero issues on the ground with the Kodiak or Turbo Arrow, so the devs can certainly make the issue less pronounced. Of course the tail wheel is problematic, but it shouldn’t be as bad as it is. 

I gotta check out this 170, Nismo: it's been on my back-burner for a while, but I can't believe it's that bad, so I have to try it.     Old tailwheel aeroplanes are often a b**** but I trained in the Chippie, and a licence in the Auster J1, so this is a bit of a challenge I suppose. . The thing is, since I fiddled with, and set the rudder sensitivity as I posted earlier - I have had no issues with most aircraft in handling most crosswinds - especially now the real weather seems to be working. The aileron/elevator curves are similar, with the Assistance options on Hard i.e. "Off".
The upshot is that Howard's thread has prompted me to spend the last half an hour in the 152 and the RY Bonanza at Hoquiam KHQM with 250 deg & 20Kt crosswind and in fact - I had no issues with either a/c on take-off, with only minor bounciness on the approach with the G36. The rudder sensitivity is posted earlier, and it was very possible to push and hold some pressure on the leeward rudder without wandering all over the airfield, and a transition to a decent climbout on the rwy heading. I have to see where the problem lies. I must confess - I don't know the Cessna at all - don't even know if it has a tailwheel lock - which was at least a partial fix for me in the WACO's "learning experience".
Back later.


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GA aircraft in real life are far easier to keep straight on the runway then in the sim. It is no harder than keeping a car in the correct lane on the freeway, even with a crosswind.

The problem is with the MSFS flight dynamics and issues among other things with ground friction.  So it a generic sim problem.

That said some developers have found ways around it and others have not - the Carenado tail dragger aircraft for example look lovely but are really really bad in ground roll,  whereas, in contrast,  the Aeroplane Heaven art deco c140 taildragger is exceptionally well behaved in landing and take-off (if anything a bit too tame).

TLDR - it is a problem in the sim engine however some devs are better than others at compensating for it.

Edited by Glenn Fitzpatrick

Waaall . .  not to shabby... The only complaint is - the prop continues to spin after shutdown..  and it's much later!
Seriously, though - It will do a 'careful' crosswind takeoff..  NismoRR is quite right it's horrible! Especially after flying his Kodiak and me flying the Beech. Anyway - I bought it, did three circuits at Bowerman with 20 knots at 20 degrees port crosswind. The second was better and I was able to get some figures during the third.
Following that I did two test batches - both with the wind at 220 degrees - the first at 12kts and the second at 20.2kts.
But it's gone bedtime here, so the figures and thoughts will come out tomorrow.
pj
 


i7 [email protected] | 32GB RAM | EVGA RTX 3080Ti | Maximus Hero VII | 512GB 860 Pro | 512GB 850 Pro | 256GB 840 Pro | 2TB 860 QVO | 1TB 870 EVO | Seagate 3TB Cloud | EVGA 1000 GQ | Win10 Pro | EK Custom water cooling.

Same problem, for me i have it with heavy division 787, Bredock3D 737. I have even noticed it with planes like Eurofighter. I tried disconnecting all of my setup and just flying keyboard, but I still had this issue.

Very interesting discussion. Although I did have problems with taxi/runway control during the early stages of MSFS development, the more recent versions seem to have dealt with the ground friction issue to some extent. Significant crosswinds are a problem, but that was true in previous sims as well as real life. And I never did purchase rudders, nor have I made significant changes to the Z axis settings in MSFS.

What I have learned to do is avoid abrupt power/thrust setting changes, as well as Z axis nosewheel motions. I spend some time with each aircraft doing fast taxi sessions on the runway, just to get a sense of how it reacts as power is applied. In fairness, I don't usually fly conventional gear aircraft as these would represent an exceptional challenge without rudder pedals, at least for me. Once one has a sense of how the aircraft will react to power changes, it's possible to stay sufficiently far ahead of those reactions to maintain lateral control. Thankfully, this is all easier in real life than it is in a desktop sim.

John Wiesenfeld KPBI | FAA PPL/SEL/IFR in a galaxy long ago and far away | VATSIM PILOT P2

i7-11700K, 32 GB DDR4 3.6 GHz, MSI RTX 3070ti, Dell 4K monitor

 

11 hours ago, Paul J said:

Waaall . .  not to shabby... The only complaint is - the prop continues to spin after shutdown..  and it's much later!
Seriously, though - It will do a 'careful' crosswind takeoff..  NismoRR is quite right it's horrible! Especially after flying his Kodiak and me flying the Beech. Anyway - I bought it, did three circuits at Bowerman with 20 knots at 20 degrees port crosswind. The second was better and I was able to get some figures during the third.
Following that I did two test batches - both with the wind at 220 degrees - the first at 12kts and the second at 20.2kts.
But it's gone bedtime here, so the figures and thoughts will come out tomorrow.
pj
 

I actually like the 170 but forgot how terrible it is on the ground when the winds are up. Did a few circuits at Darrington later yesterday with zero wind just to see the difference…lol…it was almost on rails. The takeoff roll was right on the line the whole way with just a little touch of right rudder. Rotated as smooth as you would ever want. Landing was just as smooth, where this plane is the biggest challenge. So, I always use real weather, but as Bert said, for a plane such as the 170, just bring the winds down (if you can remember) and your flights will be exponentially more enjoyable. 

Good Morning!  I'm a real weather user too: they seem to have it right (this time..)  - but to the 170: I think you're right Nismo. I setup at Bowerman with wind at 220, 12.7 kts and did seven full-stop circuits. It seems to need just a tad less than one "bump" of up trim for take off. (There are two bumps at the rear end of the trim-wheel casing, looking to be about 1/2" or so apart, and I used this as a measure). The most successful method for me was :- at the right edge of 24, one notch of flap, holding full back, I smoothly pushed the throttle in, watching the tach and ASI build, expecting a lift-off at around 2000. Passing 1500 and 37/38, accelerating and still holding full up as she went through 38, I began to ease forward. Continuing to add power, but more slowly and applying left aileron as she passed 40, and the nose came closer to level she began a "quick-ish" left swing - correctable, but it was harsher and stronger than I reckon a 20 degree-12kts breeze should cause. This was consistent in each flight. The rudder (pedals) did effectively control the swing, but it did oscillate for most of the short rest of the run in spite of the already-soft, exponential rudder sensitivity setup. Power still going on - at about 1800 she was airborne and 2000 on the way to 2400 she was flying, and responding to rudder as expected to bring the aircraft directly onto the wind, and with good leveling aileron control.
None of the take-offs ended badly, however - this was a 20 degree breeze, but the response was barely what I would consider "safe". Some beginnings of a swing are normal for almost every piston-engined tail dragger, but a minimal push and hold of the pedal will ordinarily hold it. As someone earlier said about "seat of the pants" feel in a sim - there isn't any, so it needs to be accounted for in the airfile, or whatever is used now.  Considering the Carenado WACO's take-off issues - I would have expected that this issue would be done and gone. 
Thanks for your indulgence.
pj
 

Edited by Paul J


i7 [email protected] | 32GB RAM | EVGA RTX 3080Ti | Maximus Hero VII | 512GB 860 Pro | 512GB 850 Pro | 256GB 840 Pro | 2TB 860 QVO | 1TB 870 EVO | Seagate 3TB Cloud | EVGA 1000 GQ | Win10 Pro | EK Custom water cooling.

Here’s the thing, on takeoff roll in sim, the Kodiak feels like a plane that has weight. 3775 pounds empty, and my cargo is about 1000. The C170 feels like it weighs 40lbs. 

Edited by NismoRR

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