Impeller Replacement discussion from iceout thread

MAXUM · 03-14-2012, 09:09 PM

Another thought too, the alpha has the impeller placed right above the water inlet in the stern drive housing therefore the flow of water into the casing doesn't have to go far before it hits the pump. With a more "remote" setup on the bravo that impeller has to spin fast enough to create a decent vacuum to overcome gravity (right?) so it makes sense it'd need to spin faster. If that thing even momentarily runs dry I can see where that would seriously reduce it's live expectancy.

03-14-2012, 09:09 PM	#13
MAXUM Senior Member Join Date: Apr 2004 Location: Kuna ID Posts: 2,755 Thanks: 244 Thanked 1,942 Times in 802 Posts	Another thought too, the alpha has the impeller placed right above the water inlet in the stern drive housing therefore the flow of water into the casing doesn't have to go far before it hits the pump. With a more "remote" setup on the bravo that impeller has to spin fast enough to create a decent vacuum to overcome gravity (right?) so it makes sense it'd need to spin faster. If that thing even momentarily runs dry I can see where that would seriously reduce it's live expectancy.