red thunder

Does the length of the drive shower pickup tube affect prop performance? If so, how much tube should extend below cavitation plate?

bbladesprops

Yes it can.

Just enough tp expose the angle of intake.

red thunder

Thanks, how does the length effect prop performance?

throttleup

It can effect water flow to the propeller.

Julie

bbladesprops

Depending on the placement, angle and length, the tube can cause a ventilating issue to the face of the propeller blades.

This scenario is relatively rare.

Also, as related to performance in general, anything in the water flow creates drag.

onesickpantera

That's why I use this type of "pick up"!

carney

where are you picking up water. and I also agree that the tube length has a effect on the water to the prop. I shortened the pick up and fixed the blow out.

onesickpantera

Sea water pump.

powerquest 380

were are you getting the water from?

red thunder

Julie/Brett, pick up tube downstream of the prop can effect water flow to the prop? My IMCO drive shower tip extends 1 1/4" below cavation plate and is less than 1/4" from prop tip. This is too close?