Sprayer Calibration

[Loftyrules]

Ok stupid question so I apologise in advance.

I want to spray at 100l/ acre my sprayer has 10ft booms and flow rate is 2.2l/minute. How fast do I need to go to achieve this spray rate? I know it's a backwards way of working things out but it's a needs must situation before I can sort it properly.

Cheers

 

[Kidds]

Can't say without knowing the number of nozzles.

 

[stuart]

http://pesticidestewardship.org/calibration/Pages/FormulaCalibration.aspx

 

[Loftyrules]

Sorry 6 nozzles

 

[tima]

do your PA1 & PA2

 

[Funnywaytmekalivin]

Must be wrong but off top of my head I get 1.75 kmh.

 

[Kidds]

I get 26.4kmh

 

[Devon Dumpling]

You sure you want 100l/ acre ?

 

[David.]

Each nozzle is delivering 2.2l/min? That would be very coarse indeed.
Without checking I think a red 04 nozzle applies in the order 1.6l/min at 3 bar.
You are looking for 250litres/ha then, from an 06 nozzle at 2.5bar, which I should think puts you somewhere near 11kph at a guess

 

[Lofty1984]

You sure you want 100l/ acre ?

+1 do you mean hectare I only do hectares

 

[Kidds]

Oops, I misread it and assumed you meant 100l/ha. That is what I calculated it for.
10.7kmh would give you 100litres per acre (if my sums are right)

 

[Funnywaytmekalivin]

I get 26.4kmh

8 hectares an hour with a 3 metre sprayer? Must admit its puzzling me a bit, need a piece of paper.

 

[Lofty1984]

8 hectares an hour with a 3 metre sprayer? Must admit its puzzling me a bit, need a piece of paper.

I'm not even attempting to work it out it's too late in the day for long sums

 

[Devon Dumpling]

If you convert it to modern way 100l/a = 247.1l/ha, boom 10ft = 3m 6 nozzles gives you .5 m spacing and flow rate 2.2.
So
2.2 x 600 / 0.5 / 247.1 = 10.68 kph or 6.63 mph

 

[Lofty1984]

If you convert it to modern way 100l/a = 247.1l/ha, boom 10ft = 3m 6 nozzles gives you .5 m spacing and flow rate 2.2.
So
2.2 x 600 / 0.5 / 247.1 = 10.68 kph or 6.63 mph

Simple see

 

[Funnywaytmekalivin]

With a 2.2 l/min pump he needs to take nearly 2 hours per hectare. So about 1.7 metres per hour.???

 

[Devon Dumpling]

Got the brain working lofty

 

[Kidds]

8 hectares an hour with a 3 metre sprayer? Must admit its puzzling me a bit, need a piece of paper.

I was wrong there because I read it as 100litres per ha, when he said acre.
Two of us got it to 10.7kmh now (OK, I rounded it up a bit but not seen a tractor that does speed to two decimal places)

 

[Loftyrules]

do your PA1 & PA2

All booked but as I said needs must

If you convert it to modern way 100l/a = 247.1l/ha, boom 10ft = 3m 6 nozzles gives you .5 m spacing and flow rate 2.2.
So
2.2 x 600 / 0.5 / 247.1 = 10.68 kph or 6.63 mph

Great that's what someone else had suggested just wanted confirmation. Much appreciated.

 

[Funnywaytmekalivin]

If you convert it to modern way 100l/a = 247.1l/ha, boom 10ft = 3m 6 nozzles gives you .5 m spacing and flow rate 2.2.
So
2.2 x 600 / 0.5 / 247.1 = 10.68 kph or 6.63 mph

I was wrong there because I read it as 100litres per ha, when he said acre.
Two of us got it to 10.7kmh now (OK, I rounded it up a bit but not seen a tractor that does speed to two decimal places)

yeah I have got it completely wrong, I thought the total pump output was 2.2 not 2.2 per nozzle.