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  #11  
Old 05-04-2008, 10:15 AM
PHS PHS is offline
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Az, I duplicated your design on a sprayer from a picture you posted once. It works pretty well for spraying shrubs and small trees. I'd have to go look but I think the pump I used is rated for 1 gpm/65psi. I've got another BP I want to convert for spot spraying and I think I'll use a smaller pump for that.
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  #12  
Old 05-04-2008, 10:24 AM
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humble1 humble1 is offline
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Quote:
Originally Posted by Ric View Post
Guys

The time has come to buy some new Back Pack Sprayers. While I don't want all electric Back Packs, I would like at least one for spot spraying turf weeds. What can you all tell about them?????
fastpac here kicks ass, adj gun for fine mist, or stream can hit a bee nest 20ft up puts a gallon out in like 45 seconds
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  #13  
Old 05-04-2008, 10:47 AM
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ArizPestWeed ArizPestWeed is offline
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Quote:
Originally Posted by PHS View Post
Az, I duplicated your design on a sprayer from a picture you posted once. It works pretty well for spraying shrubs and small trees. I'd have to go look but I think the pump I used is rated for 1 gpm/65psi. I've got another BP I want to convert for spot spraying and I think I'll use a smaller pump for that.
Good , happy it worked for you .
Did you use a BP with out a manual pump ??
You can get them from SP , called a "gravity flo "
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  #14  
Old 05-04-2008, 11:01 AM
PHS PHS is offline
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The BP I used had a regular piston pump on it. I removed the pump and with a hacksaw and dremel tool I carefully cut the pressure reservoir off to expose the drain hole. Then connected up the plumbing. The gravity flo set-up sounds much easier .
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  #15  
Old 05-04-2008, 01:03 PM
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Ric Ric is offline
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Quote:
Originally Posted by ArizPestWeed View Post
Ric , do you wnat to see how you too can make your own elel back pack ??
Actually you have me very worried about the Pump Wars, I like my job but I don't want to die for it.

If your home made design doesn't go to War, I wouldn't mind if you posted a link to the pictures etc. I always like new Ideas, in fact I was going to build a roll around spot sprayer out of parts I already have. Sometimes these home builds cost more and work less effect.

As for low end equipment not being repairable, sad to say this is a throw away world.

Bug Guy

Good point about batteries. Their life is very depended on charging properly.

Humble

I will check out your suggestion also. I have about 5 more weeks of our dry season and can do very little weed control at this time.
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Last edited by Michael J. Donovan; 05-05-2008 at 02:07 PM. Reason: name calling
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  #16  
Old 05-04-2008, 01:33 PM
gregory gregory is offline
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Quote:
Originally Posted by ArizPestWeed View Post
there are problems with the Propack shurflo.
The padding makes you sweat , a lot .
the pump wars out and is impossible to replace .


this is south florida going outside makes you sweat alot...
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  #17  
Old 05-04-2008, 02:20 PM
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ArizPestWeed ArizPestWeed is offline
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Even in Arizona we sweat too.
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  #18  
Old 05-04-2008, 02:48 PM
Az Gardener Az Gardener is offline
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Hey neighbor where is the link to the DIY model? Sounds interesting. I am a tight wad, I have some bad backpacks laying around and both my father-in-law and son are tinkerer/ pert time inventors. Sounds right up my allay.
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  #19  
Old 05-04-2008, 03:41 PM
ATVracer ATVracer is offline
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I ended up doing the same thing PHS did. I called Swissmex(SP) about getting some gravity flow tanks & they told me they no longer had them in stock.
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  #20  
Old 05-04-2008, 06:40 PM
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americanlawn americanlawn is offline
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Hi Ric -- you won't go wrong with the Shurflo SRS 600. We've used them for two years now (we formerly used Shindaiwa hand pump backpacks). We use the blue flat fan nozzle in all of them. Specs say they can spray up to 120 gallons on a single charge, but we charge the batteries every weekend (just once a week). The spray gun that comes with them usually shells out within a season, so we upgraded to a TeeJet gun on all of ours. Once in a while the tiny fuse will blow, and every so often the pump might need repaired (both minor expenses). We won't use any other brand. I often carry up to four of these in my truck (Roundup, BWC, Q4, brush killer). Now my guys actually spot spray like they should (compared to before). It's a fine unit. Less than $200 on ebay including shipping.
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