New Zealand Gold Prospecting & Metal Detecting Forums Archive

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motor and pump height

webby1		Posted : Friday, 29 November 2013 9:36:08 PM(UTC)
Rank: Gold Flake Groups: Registered Joined: 22/11/2012(UTC) Posts: 16 Location: omarama Thanks: 2 times Was thanked: 4 time(s) in 4 post(s)		hi all i see some dredges on trademe with motors and pumps sitting pretty high above the pontoon would you get better suck lowering them as much as possible ?

jafa		Posted : Saturday, 30 November 2013 1:06:05 PM(UTC)
Rank: Gold Ingot Groups: Registered Joined: 22/11/2011(UTC) Posts: 134 Location: auckland Thanks: 22 times Was thanked: 23 time(s) in 19 post(s)		Hi I don't think the engine hight is to crutial but the height of the sluice is the lower you have that the better the suction will be as the material isn't getting lifted as high .
		WWW

Mudwiggle		Posted : Saturday, 30 November 2013 1:27:18 PM(UTC)
Rank: Gold Ingot Groups: Registered, Moderators Joined: 22/10/2013(UTC) Posts: 742 Thanks: 182 times Was thanked: 683 time(s) in 317 post(s)		Yep, generally the shorter the suction lift, the better the pump efficiency. Also makes them easier to prime.

webby1		Posted : Saturday, 30 November 2013 3:12:23 PM(UTC)
Rank: Gold Flake Groups: Registered Joined: 22/11/2012(UTC) Posts: 16 Location: omarama Thanks: 2 times Was thanked: 4 time(s) in 4 post(s)		thanks guys