How to correct twin disc pattern cock-up?

Flat 10

Member
Arable Farmer
Location
Fen Edge
Slightly off topic but related. Does anyone have any recommendations for places to buy calibration trays? Can't see the need for anything expensive. I only need 5 equal size trays but they need to be reasonably robust and of a decent size (approx 2ft square). Must be cheap as chips from the right hardware store if I can find which one/what to google. If I need anything more precise I will pay SCS but these should be adequate for a rough check. TIA
 

Matt77

Member
Mixed Farmer
Location
East Sussex
Saw these on Twitter the other day, no idea of cost or if they would do what you require
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jh.

Member
Location
fife

Flat 10

Member
Arable Farmer
Location
Fen Edge

jh.

Member
Location
fife
Thanks very much ordered!
How are you getting on with them. Used mine yesterday and as long as you weigh them down a bit they seem to do the job.

Been setting up the new vicon spreader . Like the Kuhn I used last year , I find the apps can get a bit confusing with all the different options . Vicon suggest a close equivalent after a shaker and litre weight test but I am finding just going with actual named product best if they have tested it , even if there are closer shaker results for another product .

Rightly or wrongly been using the Kuhn tray test technique on the vicon. It is just so much faster and I'd run out of ground before getting the settings the vicon way . Just so handy with kuhn test being a single tram , then throw the trays out for a kuhn full test over 3 trams just to double check . Will find out in a few weeks if its worked .
 

jh.

Member
Location
fife
Vicon suggestion after shaker test etc in green so tried it first. Higher application rate and according to Kuhn test heavy overlaps .

Went back to app and found actual product so swapped to those settings. Rate almost bang on and even tubes .
Screenshot_20190420-095702_Spread%20Charts.jpg
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