Nozzles for spraying liberty - The Combine Forum
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post #1 of 33 (permalink) Old 05-23-2019, 09:36 AM Thread Starter
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Nozzles for spraying liberty

Updated our sprayer this past winter to a 4730 Deere. Wondering what people are using for spraying liberty? We use 15 gal/ac and was looking at twin nozzles to maximize coverage. Thanks

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post #2 of 33 (permalink) Old 05-23-2019, 11:14 AM
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We use twin turbo Tee’s but only 10 or 12.5 gallons a are.

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post #3 of 33 (permalink) Old 05-23-2019, 11:24 AM
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For dual-angled spraying, just keep in mind boom height is super duper important. With the angled sprays, it increases the distance to target, which doesn't seem like a bit deal, but with the turbo tees (think 60° angles), it almost doubles the distance the spray has to go.

So even if you are 20" boom height, your spray has to go almost 38". Trouble is, when you are targeting finer coverage for stuff like liberty, most of your medium-coarse spray isn't going past like 14-16" before it slows down due to drag/wind speed/sprayer speed. So, the stuff you rely on to get coverage is traveling like 20" without any 'oomph' behind it, so less likely to get it right where it is meant to go.

Most of your driftable fines (probably like 10-15% of your spray if you were using like a guardian twin or something similar) is really only going probably that 5-7" before it slows down to a dead stop due to wind/drag/speed, so now that stuff would even have to travel like 30" to get down to where you need it.

So, if you can maintain lower boom heights, great. If not, keep an eye on the wind especially, as you probably have a fair bit of volume hanging up behind the sprayer, which is going to be tough to try control without a fair bit coarser tips.

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post #4 of 33 (permalink) Old 05-23-2019, 10:34 PM
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john deere has the brown nozzles, they are 15 gpa, they work awesome for doing liberty, when there's not much wind we use 12 gpa nozzles and crank the psi to just mist the weeds, get an awesome kill that way, trick with liberty is to have high pressure otherwise it runs of the leaves too much imo. I wouldn't use twin nozzles imo. too much off target i think.
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post #5 of 33 (permalink) Old 05-23-2019, 11:09 PM
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And the hotter and more humid the better. The humidity part could be an issue right now

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post #6 of 33 (permalink) Old 05-23-2019, 11:40 PM
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I also use the brown JD angle nozzle. Every other one sprays the other direction. One forward next one backwards. Also use these for fungicide.
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post #7 of 33 (permalink) Old 05-23-2019, 11:43 PM
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We also went that way last year with angled Hypro nozzles one forward one backwards single fans. Same thing use them both with liberty and fungicide.
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post #8 of 33 (permalink) Old 05-23-2019, 11:44 PM
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We were always told 20 gpa works best for Liberty. At least that's what Bayer required of us last time we multiplied seed for them a couple of years ago.
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post #9 of 33 (permalink) Old 05-24-2019, 01:19 AM
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I would forget about twin nozzles entirely, not necessary or effective unless you are putting such a high rate of water that a single nozzle has too coarse of droplets. Personally I use Lechler air induction nozzles, really like those. If you want liberty to work properly add full rate centurion, I always use that and Liberty works great again.

I have at least two sets of twin nozzles for sale, some hardly and some never
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post #10 of 33 (permalink) Old 05-24-2019, 09:47 AM
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Brown ABJ’s here.
I just wanted to chime in on the twin nozzles. I bought a set of “John Deere” (Really Hypro twin airs) for fungicides a couple years ago. They are a more affordable way of getting twin nozzles, and you get what you pay for. I would strongly recommend avoiding these. They leak under high pressure and are weakly constructed.

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