Spaceplane veering out of control during takeoff

[Fluffy crocodile]

I built an SSTA (Single Stage To Anywhere) and i veers in random directions while taking off. The center of lift and mass are stable. It flys really well (when it gets off the ground) and has a really got TWR with raipers while taking off. Landing gear looks good i just do not know what is going on.  Im going to adjust the landing gear (agin) but otherwise i need help. 

[DunaManiac]

1 hour ago, Fluffy crocodile said:

I built an SSTA (Single Stage To Anywhere) and i veers in random directions while taking off. The center of lift and mass are stable. It flys really well (when it gets off the ground) and has a really got TWR with raipers while taking off. Landing gear looks good i just do not know what is going on.  Im going to adjust the landing gear (agin) but otherwise i need help. 

Can we have a craft file, or at least a picture of the craft in question?

[Fluffy crocodile]

i play on console so no. But i got it to work. Diffraction landing gear. Sorry about the hidden comments or spoilers got curious and now i cant remove them oh well.  

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Edited November 17, 2019 by Fluffy crocodile

[bewing]

FYI for the future:

Spaceplanes veering on takeoff is actually a very common problem. You will probably see it again. It is common enough that it is included in the FAQ on this forum.

It is actually a real engineering problem, but it comes from many different causes. It can come from flexing of the landing gear or whatever parts the landing gear is attached to (wings), or from wheelbarrowing, or from not taking into account "ground friction". So the next time you have this problem come back and read the FAQ and then ask again here. We can all go over the possibilities and fixes with you.

[IkranMakto]

Angle of attack should be positive while taking off. Make nose gear longer. 

[CBase]

On 11/17/2019 at 4:18 AM, bewing said:

It can come from flexing of the landing gear or whatever parts the landing gear is attached to (wings), or from wheelbarrowing, or from not taking into account "ground friction".

As I had the problem myself to check if gear is running properly: Is there any Mod out there that might help finding issues ?