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Old 02-21-2013, 05:09 PM
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Question for those who backpack spray herbicides

What technique has given you the best results when spraying with a backpack sprayer. Swinging the wand back and forth like a pendulum motion or keeping it stationary in front of you like a boom while you walk?
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Old 02-21-2013, 05:14 PM
greendoctor greendoctor is offline
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No swinging. Put in a 110 degree air inducted fan instead of the plastic adjustable nozzle. Install a CF valve or a regulator that can be set to one pressure on the trigger. Walk at a steady pace holding the nozzle fixed. If I am working with a single tip I rather have the fan oriented in line with the wand rather than perpendicular. That way I am holding the wand to the side of me and not walking into the spray.
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Old 02-21-2013, 06:25 PM
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Quote:
Originally Posted by greendoctor View Post
No swinging. Put in a 110 degree air inducted fan instead of the plastic adjustable nozzle. Install a CF valve or a regulator that can be set to one pressure on the trigger. Walk at a steady pace holding the nozzle fixed. If I am working with a single tip I rather have the fan oriented in line with the wand rather than perpendicular. That way I am holding the wand to the side of me and not walking into the spray.
Who makes the fan and who sells them? I'm also interested in something that will give me more consistent results with the backpack sprayer.
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Old 02-21-2013, 06:33 PM
greendoctor greendoctor is offline
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This is a Teejet product. Look at this. http://teejet.com/english/home/produ...pray-tips.aspx

The plastic fan nozzles that many backpack manufacturers include do not even compare. An AI nozzle is more likely to deposit on target, uniformly and with less drift. I do not like regular fan nozzles because of the fine mist they produce.
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Old 02-21-2013, 07:25 PM
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Thanks for the info, I believe I have a recent Teejet catalog somewhere.
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Old 02-21-2013, 11:11 PM
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Agree with above but I haven't gotten that far yet. Still use the adjustable cone and it works just fine for very small lawns.

Also, don't plan on backpacking too many lawns. I thought that I would do a lot of lawns via BP when I first started. Ummm, nope. KILLS your back and shoulders after about the first 4-5 you do.
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Old 02-22-2013, 01:34 AM
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Large areas , yeah , hold out in front of you and spray steady .
For spotting here and there waving it around works .

Want something steady , try a electric back pack for more consistency
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Old 02-22-2013, 01:41 AM
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Quote:
Originally Posted by DA Quality Lawn & YS View Post
Agree with above but I haven't gotten that far yet. Still use the adjustable cone and it works just fine for very small lawns.

Also, don't plan on backpacking too many lawns. I thought that I would do a lot of lawns via BP when I first started. Ummm, nope. KILLS your back and shoulders after about the first 4-5 you do.
Yeah, I have a 4.5 gallon unit and it's quite tough on the back when full. I'm planning to use it only for spot spraying and very small properties.
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Old 02-22-2013, 11:09 AM
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The problem of not using a back pack is that the cost goes from $150 to thousands for the right equipment.

Yea you can get a 25 to 50 gal electric spot sprayer for cheap but then you have to pull it around on your mower or get an ATV and then you have gas and electric involved in costs and repairs etc..
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Old 02-22-2013, 11:53 AM
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You could also look at some of the new push sprayers on the market, either wheel driven or electric.
Like the TurfEx one.
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