PERFORMANCE & EFFICIENCY TUNING
From the factory the DYE NT11 is tuned to
give you a maximum shooting comfort and
consistency. If your playing conditions require
high efficiency or you are playing indoors with
lower velocity limits or you are using re-usable
balls you can change the performance, feel
and the efficiency of the NT11 by utilizing the supplied Bolt and
volume inserts. This will help you to tune your NT to your specific
requirements and liking.
A factory tuned NT11 will yield about 1500 shots of a standard 68 Cubic
Inch 4500psi tank. The operating pressure from factory is around
125psi using no volume inserts and the green bolt flow insert. This
efficiency can be substantially increased by utilizing the supplied
volume and bolt insert.
The bolt flow inserts adjust how much and how fast of the chamber is used in each shot. The
smallest insert is red, blue is the middle and and green one is the largest diameter one. The larger
diameter the insert is the more gas is used out of the chamber on each shot before the self-
closing valve closes the chamber. This means that the operating pressure will be slightly lower
with a larger insert but a little more gas is wasted. To increase the efficiency change the stock
green insert to either the blue or the red one.
The volume inserts reduce the volume inside the NT11’s dump chamber (this is the amount of gas
used for each individual shot). The green insert is the smallest reduction. This insert can be used
at 300fps shooting when higher efficiency is required. The yellow and red inserts should be used
when a slower than 300fps velocity is required.
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PERFORMANCE & EFFICIENCY TUNING
It is also very important to have a good paint to barrel match with the NT11. This will cause a big
difference in both the feel of the gun as well as the efficiency. A good paint fit is where you can
barely blow the paintball through the barrel. If the balls roll through by themselves the fit is too
loose. If paintballs are breaking inside the barrel when shot the fit is too tight.
The NT11 working pressure range is from 120psi to 150psi. Exceeding 150psi will cause leaking and
eventually damage to the solenoid. Under 120psi operation can cause malfunction due to lack of
force to move the bolt correctly. When increasing the efficiency by reducing the volume, the flow
through the bolt or both and increasing the operating pressure you will notice slight increase in
sound and recoil of the NT11.
NOTE: If you intend on using the NT11 at velocities lower than 250fps it is recommended to use
the largest of the shot chamber inserts, and the blue Flow Insert in order to maintain suffi cient
forces in the bolt for proper function.
Summary of Contents for NT11
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