thanks Ed ,
I am braziliam , hope my english possible to make-me understanding..
my problem : I wish have more torque in my winch (dosnt matter if with less speed ) ,
my HP is vickers vane 25VQ 21 gpm , drived direct in a 250 hp Mack engine (plenty power disponible)
my hydraulic motor is a...
Hi all ,
assuming I switch the cartridge of my vickers VQ25 of 21 gpm to 16 gpm and keeping same RPM ... my winch HD motor will rotate slower rigth . My question: the HD motor will have more torque ?
I'm sorry if it's obvious but I'am just dredge...
LittleInche, thanks for reply...
well we do not have any kind of instruction , we make dredges by pratice try and error...
everybody here have no idea in flow rate , etc
the material is heavy gravel whith big cobbles
normally we use Cummins 400-480 hp in 14" and 16" dredges
this dredge we are...
Hi all , I am brasilian , sorry about ortografic errors...
someone can help-me to determine how much HP and what RPM must be ideal for my 18" drege pump? pls take a look in anex esqueme ,
is a 1,1 mts x 35 cm 4 blades impeller in a pump shell 1,5 mts diametre
discharge and suction pipes 17"...
miningman, thanks for reply , I am brasiliam , sorry if ortografic erros...
yes, here in Brasil and latin america in most place where brasilians work in dredges we do not use moss and expanded metal...
I personally beleave moss and spanded metal is more efficient...make a few years peoples...
can someone update me about best practice currently used today in alluvional gold mining recovery used in commercial gold mining dredges ?
I am partner in a dredge in Colombia, we used sluicebox lined whith brasilian carpets (not nomad type, we used a black one like imagem anexe )without...