+Brandon Chandler Hi! Currently altering the site and will soon be translated into several languages. If you have questions can contact us at goldpro.bg@gmail.com
Great craftsmanship! A suggestion i would make is to use a mandrel bent pipe for the nozzle. That sharp corner doesnt help the flow of water or gravel. You’d be able to run bigger rocks without clogging. Another option that would work well is to add a middle section to the bend area, so you’ll have 3 different angles instead of just 2. A lot of people with large commercial size dredges use that technique to make a 45 or 90 degree nozzle.
That suction nozzle looks like it is seriously underpowered, it should be pulling material without having to be pushed in so close, all that light sediment should be pulled into the nozzle before it can even think about being blown downstream and hazing up your dredge hole ... The first thing I would try would be to lower the height of your high banker, even if it means you have to periodically clear tailings behind it, every inch hose is lifted above water level is another inch that educted water has to be lifted, its a massive waste of the available power. the rest of your system actually looks quite efficient and well made, you have used the right hoses, the system should work a lot better and you should be able to move more material per hour and find more gold with a bit of fine tuning.
We're running this at relatively low rpm because if we do at high the nozzle acts like a magnet to larger rocks which just stick at the front and need to be removed by hand. The system is very fuel efficient because of the way we built the nozzle. Less rpm means less water and a smaller dredge body too. Also at some placed the material that is being sucked is quite compacted and requires being pushed so it is set loose. Thank you for your comment, it is appreciated.
