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What is everyones sp sprayer of choice
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Jacob Bolson
Posted 10/23/2010 07:40 (#1404156 - in reply to #1403868)
Subject: AIM Command


Iowa
BSchroeder - 10/22/2010 22:12

CaseFarmer - 10/22/2010 21:01

Basically your pressure is kept at the tip instead of at the pump.


Actually, no. You push a switch in the cab to set the target pressure. The AIM Command controller sets the pump speed to maintain the desired pressure. More pressure = faster pump. The Raven controller (Viper or whatever) adjusts the on/off ratio (pulse width, or whatever) of the solenoids to maintain the right rate. Higher rate = open more and closed less.

There are several other side advantages of AIM Command:
You run a bigger nozzle, to compensate for the fact it is turned off part of the time. (usually 2x the size you would run without AIM Command). The bigger nozzles plug less.
No anti-drip check valves in the nozzle body. (The poppet in the solenoid keeps it from dripping) Slowing down for a washout, not only do you maintain your target pressure and rate, you don't have nozzles kicking off because you aren't maintaining enough pressure to keep them open.
You can bump your rate for borders and weed pressures without your pressure going way up or rate not hitting your target.

I pick on JD quite a bit. In this case, it is completely justified. No other machine compares.

AIM Command does not manipulate the solution pump speed. AIM Command looks at both the application pressure and the control signal going to the flow control device, whether that be some form of regulating valve or a PWM valve controlling the solution pump speed. The SharpShooter system strictly looks at the application pressure. By considering both the application pressure and control signal, the AIM Command system is able to be a step more proactive in its pressure control (via PWM solenoid on the nozzle body) versus the SharpShooter, which is strictly a passive device.
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