[AT] OT--foam marker for sprayers

[Richard Fink Sr]

Hey Len i have[ a round to it] my brother brought back from England and 
sent me can make you a copy if needed?????????????
R Fink
PA



On 1/10/2015 10:52 AM, Len Rugen wrote:
> I saw plans, but I've never tried this.  They used a plastic fuel can, a fish tank air stone, small air pump and the foam mix to make a marker.  This made the foam in the fuel can and just used a 3/4" or so hose to run to the end of the boom, then it expanded to a 2" or so nozzle to make larger foam blobs.  I've considered making one, but lacked "A-Round-Tuit".....
>
> Len Rugen
>
> rugenl at yahoo.com
>
>
>   
>
>       On Saturday, January 10, 2015 7:39 AM, Indiana Robinson <robinson46176 at gmail.com> wrote:
>     
>
>   Hi John:
> I never used foam markers but I used to work on foam generators on carpet
> and upholstery cleaners. They used a small screen about like window screen.
> The soapy water was sprayed onto the screen and air was blown through the
> wet screen.
> Just tiny versions of Lawrence Welk...  :-)
>
>
>
>
>
> On Sat, Jan 10, 2015 at 8:07 AM, <jtchall at nc.rr.com> wrote:
>
>> COMPLETELY OT POST
>>
>> I know some of you farm full time. How does a foam marker system for a
>> sprayer make foam? From what I can tell looking around on the net the air
>> and liquid foam solution are fed in 2 separate lines to the end of the boom
>> where they mix in some sort of small chamber before being discharged. How
>> does the mixing chamber work? Is the liquid solution fed under pressure
>> from the tank?
>>
>> I've read up on the homemade systems that generate the foam in the tank
>> and have constructed a prototype of that. Unfortunately it appears I have
>> to use rather large pipe to be able to push the foam down the pipe. With
>> long enough hose, you actually build back pressure on the tank using
>> something small like sprayer line. My prototype uses 1 1/2" PVC pipe. Works
>> very well but takes a long time to generate enough foam to start dripping.
>> I also have a concern of how I will switch from one boom to the other.
>> Small solenoids aren't cheap, I haven't priced the size I would need. I've
>> considered using 2 tanks and 2 compressors, would be a lot cheaper than
>> solenoids. To keep from having to wait on the foam due to switching from
>> one tank to the other I could let both run all the time. Another reason I
>> dislike this system is the water in the tank tends to slosh up on the foam,
>> meaning I would need a baffle of some sort in the tank.
>>
>> Any help is appreciated.
>>
>> John Hall
>> _______________________________________________
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>>
>
>


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