propeller | Boat Design Net

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Racing Powerboat Prop Selection

I am a University Student studying Naval engineering working on an electric driven high performance planing racing powerboat (8m in length). I am...

Thread by: A Frayed Knot, Jul 25, 2019, 4 replies, in forum: Props

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Propeller Shaft? I need help...

Ok, So I have had this project I have been working on for a few months (18 foot trawler style work of art) and I have run into a sort of fork in...

Thread by: Reid Crownover, Apr 2, 2018, 11 replies, in forum: Props

Thread

Which is better: Propeller vs. Paddle

In terms of speed, efficiency and stability which will be better option to use as impeller: a propeller or a paddle. I will use it for a small...

Thread by: TurtleIndia, Mar 24, 2018, 6 replies, in forum: Props

Thread

AUV propeller question

Hello. I'm trying to generate 10kgf at 4kts from 300W shaft power (it is to power a smallish AUV). Max torque is *probably* about 3Nm and...

Thread by: Rocket888888, Mar 2, 2018, 5 replies, in forum: Props

Thread

Propeller design

Hello, my name is João and I am a member of team Tecnico Solar boat, our goal is to create a solar powered boat. Right now I was assigned the task...

Thread by: Jfraz, Jun 6, 2017, 6 replies, in forum: Props

Boat Design Gallery

Servogear Ecoflow - Servogear Superslow Running Propellers (SSRP)

Servogear Ecoflow propulsion system, more into at www.servogear.no

Uploaded by: Servo Gear, Mar 11, 2009, 0 comments, in category: Propulsion

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Servogear Ecoflow - Layout

Servogear Ecoflow propulsion system lay with propeller tunnel, more into at www.servogear.no

Uploaded by: Servo Gear, Mar 11, 2009, 0 comments, in category: Propulsion

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Servogear Ecoflow - Efficiency

Servogear Ecoflow propulsion system. Efficiency from full scale and models tests at SSPA, more info at www.servogear.no

Uploaded by: Servo Gear, Mar 11, 2009, 0 comments, in category: Propulsion

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Propshaft bended

Uploaded by: bottemanne, Sep 20, 2007, 1 comments, in category: Boatbuilding

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Levi Drive 170-150 galvanized "Fisherman"

Levi Surface propulsion unit LD 170-150 at work. Half of the propeller is out of the water. Speed 27.7 knots

Uploaded by: xrudi, Dec 11, 2006, 0 comments, in category: Boatbuilding

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Levi Drive 280-300

Surface Piercing Drive LD 280-300. Drive is good up to 500hp and can take propeller up to 28 inches.

Uploaded by: xrudi, Sep 6, 2005, 0 comments, in category: Propulsion

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Levi drive 280-300

Surface drive for commercial use, good up to 500 hp, Drive can use prop[eller up to 28 inches

Uploaded by: xrudi, Aug 14, 2005, 0 comments, in album: Member Album by xrudi

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Levi Drive 280-300 Back view

Back view of Levi Drive 280-300 showing propeller and hydraulic steering cylinder

Uploaded by: xrudi, Aug 14, 2005, 0 comments, in album: Member Album by xrudi

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Levi Drive 240- 250

Commercial Levi Drive 240-250 designed by Sonny Renato Levi produced in Stainless Steel 316L by Levi Drives. Drive can take propeller up to 24...

Uploaded by: xrudi, Jun 18, 2005, 0 comments, in category: Propulsion

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SurfacePropelle_24_inch

Surface propeller designed by Sonny Renato Levi produced by Levi Drives. Material NiAl Bronze, Diameter 24 inch, Shaft 2,5 inch, Taper 1:10,...

Uploaded by: xrudi, Jun 16, 2005, 0 comments, in category: Propulsion

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Surface Propeller

Levi Surface Propeller, We produce propeller in NiAl Bronze. Diameter 17, 20, 24, ... up to 44 inch. Special diameter on request. Each group has...

Uploaded by: xrudi, Jun 16, 2005, 0 comments, in category: Propulsion

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Mon working on Propeller

My wife Mon working on a Levi Drive 170 - 150 propeller.

Uploaded by: xrudi, Nov 19, 2004, 0 comments, in album: Member Album by xrudi

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Levi Drive at Work

The surface propulsion unit Levi Drive 170 - 150 at planing speed, about 22 knots. Only half of the propeller is now in the water.

Uploaded by: xrudi, Nov 19, 2004, 0 comments, in category: Propulsion

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Fishing Boat with Levi Drive 170

Uploaded by: xrudi, May 9, 2004, 0 comments, in category: Projects in Progress

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Renewable Energy

Boat in navigating , using material like (Diver's Palms) as means of propulsion . Flexible translicide. material

Uploaded by: Kneider, May 3, 2004, 2 comments, in category: Propulsion