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Discussion Starter · #1 ·
Hello.
I have had problems with left-curving bbs. I have dissasembled and assembled the cylinder and those components, along with the hop up unit mulitple times but I cannot find the problem. I took pictures of the different components and uploaded them to imgur and was wondering if anyone could check the pictures and tell me if some part seems to be off?
It's not a little curve either, kinda bad left curve.

I have also put on the scope several times and tried to level it to be 100% aligned and straight, but I end up having to tilt the scope and the bubble level for the rifle to shoot straight. So when I look down the scope, and align the crosshair straight on a target, the rifle is slightly tilted the opposite way of the curve, so that it evens out.
But that's not how it's suppose to be, you are supposed to have everything aligned and the bb go straight.

 

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Something isn't installed correctly or is faulty. Is not issue of cylinder or cylinder's inner parts.
Try what Silicone wrote.
What is bucking's condition? Is it new or old? Is it aligned? Is the right side more worn than left?
The hop up arm applies even pressure? Is it level? Arm wobbles?
The left curving occurs in no wind conditions?
HOP up is correctly installed (level)?
Is the inner barrel straight? Is the barrel installed correctly or is slightly to the left?
Shot while watching the bb trajectory from the side of your rifle and observe bb's flight path.
When bb starts turning left? Immediately after you shot, or after 30-40-50-60m?

This issue is out of the box? Which Nov's gun?
 
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Discussion Starter · #4 ·
Something isn't installed correctly or is faulty. Is not issue of cylinder or cylinder's inner parts.
Try what Silicone wrote.
What is bucking's condition? Is it new or old? Is it aligned? Is the right side more worn than left?
The hop up arm applies even pressure? Is it level? Arm wobbles?
The left curving occurs in no wind conditions?
HOP up is correctly installed (level)?
Is the inner barrel straight? Is the barrel installed correctly or is slightly to the left?
Shot while watching the bb trajectory from the side of your rifle and observe bb's flight path.
When bb starts turning left? Immediately after you shot, or after 30-40-50-60m?

This issue is out of the box? Which Nov's gun?
Don't know what, but I think the problem is solved. Now to a new problem, the scope/scope rings being faulty. Cannot adjust windage/elovation any further.. (bb still goes to the right of the crosshair with 0 wind and no more turns left on the knob).
But that's another problem, I will make a new post about it :p
 

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Don't "push" your crosshair's adjustment screws too much in order to get close to current left bb trajectory. There is high risk to damage them. In normal situations you will need small adjustments. If you need to make big adjustments then something is wrong...
Check rail installation (must be straight, level, secured correctly screwed)
Check inner barrel is installed straight and is straight itself.
Check scope's rings that are installed correctly-secured on the rail.
Check rings for faulty construction.
Check that rail & scope don't wobble when all parts are installed.
Check that your bb doesn't "hit" the outer's barrel cup. Check that outer's barrel cup hole is big enough and not smaller than your inner's barrel diameter. If it is smaller then increase the cup's diameter with a drill.
 
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