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Hardi Twin air assisted sprayers?

Discussion in 'Machinery' started by Rob Holmes, Jul 12, 2013.

  1. Rob Holmes
    Online

    Rob Holmes Moderator

    Anyone use them? I know they've been around for decades but never really taken off, have they been developed to be more user friendly?

    Been looking on the website and Hardi claim a 30% reduction in chem? Is that true?
    How effective are they?
    Are they easy to use?

    All opinions welcome
  2. colhonk
    Offline

    colhonk Member

    Location:
    Darlington
    I have one, can`t understand why everyone does not use them.
  3. Rob Holmes
    Online

    Rob Holmes Moderator

    Are they straight-forward to use?
  4. Jim Bullock
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    Jim Bullock DD Moderator

    We had one of the first Hardi Twins...superb piece of kit, we were able to cut any contact chemical inputs by 50,60 even 70% and you could spray when it was far too windy for other machines, the only problem was that it literally fell to pieces...we had two sets of booms on our 20 meter mounted machine...after the third set we exchanged for a Clean acres Airtech..which was OK but fiddly to use and very expensive if knocked a nozzle off...we changed this for a Gem with low drift nozzles and have had it for the last 12 years..simple.. never breaks down..
  5. SimpersTradeCounter
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    SimpersTradeCounter Member

    They are by far and away the best air bag sprayers, I believe that the Hardi Twin is the only Whole Sprayer to achieve a Lerap 3 star rating (await someone to correct if wrong) But they are indeed a simple to use piece of kit with way more pro's than con's.
  6. colhonk
    Offline

    colhonk Member

    Location:
    Darlington
    I think a lot of people who had other makes of air bag sprayers which did NOT have the adjustable slot, were put off the idea because they were not very good (which they weren`t).
    Yes the booms are weak, A couple of years ago I imported an 18 metre one from Holland to use the booms to upgrade mine, but before I fitted the booms I welded a length of 80mm thin wall tube inside the main boom and braced it all along, this was to strengthen it especially to stop it twisting when folding and unfolding.
    Agrovista had some OSR trials up my way for a few years (They were very imformative) and they also did some wheat trials, 12metre wide strips sprayed with most of these fancy nozzles and a strip in amongst with ordinary flat fans. The flat fan strip was picked by everyone as easily being miles cleaner of disease than the others, which were all quite poor, also there was strips of water sensitive paper, and the problem with all the nozzles was very poor penetration down the plant, ie: needs an air bag sprayer to get it down the plant.
    would of thought people with blackgrass ect would of been benificial to get the chemicals covering all the plant.
  7. Rob Holmes
    Online

    Rob Holmes Moderator

    Now i've read somewhere that the hydraulic fans can take up to 70 hp to drive! With my spraying tractor being a 4cyl 145 hp tractor, she won't have much power to pull the thing up hills, right or wrong?
  8. Mark C
    Offline

    Mark C Member

    Location:
    Bedfordshire
    I remember when I was up at Harper in the 90's , several of the big spud growers had Bateman Hilo's with Kyndesoft(sp)? Airbags for blight spraying. They were covering huge spud acreages and had to go in less than favourable conditions
  9. colhonk
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    colhonk Member

    Location:
    Darlington
    My sprayer has its own oil tank and pump for the air fan (mind it is 23 years old now) but I can`t see it using much power as the motors are not very big and not working hard.
  10. Bruce Almighty
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    Bruce Almighty Member

    Location:
    Heart of England
    We had a 12m Hardi new in 95, it was great to start with until the booms started falling apart with the extra weight. We replaced it with a 24m Hardi Mega in 99.
  11. Tom W
    Online

    Tom W Member

    Location:
    Peterborough
    I ran a Hardy Alpha with airbag and it was a good bit of kit.Mostly spraying salad crops and celery, gave great penetration into dense crop, allowed me to keep going in less than favourable conditions, but you had to be bloody careful on early plantings so as not to shotblast the seedlings.
  12. SimpersTradeCounter
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    SimpersTradeCounter Member

    On shroppies by any chance Tom?
  13. Tom W
    Online

    Tom W Member

    Location:
    Peterborough
    Yep, that,d be the one !
  14. SimpersTradeCounter
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    SimpersTradeCounter Member

    Ahhh I remember you Tom and I'm pretty sure you'd remember me to!
  15. Tom W
    Online

    Tom W Member

    Location:
    Peterborough
    Probably would do, reckon you were that big ugly bugger used to be in the stores at Anglia ;)
  16. SimpersTradeCounter
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    SimpersTradeCounter Member

    that'll be me, Ugly Pah, Pot, kettle black!!!

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