inboard | Boat Design Net

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Downsize engines possible?

Hello! I'm looking at a 1990 35' powerboat to replace my old boat. It has two big thirsty 220hp diesel engines, one of which isn't running. My...

Thread by: naffgap, Jan 30, 2025, 17 replies, in forum: Powerboats

Thread

60-seats passenger boats, want top speed of 50knots, any idea

The client wanted a passenger boat that could carry 60 passengers. Transporting passengers to and from the island. The customer hopes to reach a...

Thread by: TSD Joshua, Oct 25, 2023, 31 replies, in forum: Boat Design

Thread

Marine Battery for Inboard / Outboard Electric Motor

Do I need to take into account CCA for electric outboard/inboard motor? Does CCA have any impact for electric motor? I see most of the boats of...

Thread by: Leopard, Jun 20, 2022, 13 replies, in forum: Boat Design

Thread

engine-propeller matching

hello it's my first threard in this side and I hope things will going alright so,I will begin by the keller criterion for the"CAVITATION" the K...

Thread by: Walid, Oct 21, 2020, 2 replies, in forum: Props

Thread

Spectrum 650

good evening to you all, now if you are reading this I welcome you, I hope you find this of interest and am always open to your opinions views,...

Thread by: Sovereign_Skipper, Sep 14, 2020, 2 replies, in forum: Projects & Proposals

Thread

inboard geometry

Does anybody know about motor position, in the prospective of "center of gravity" How motor position is determined for inboard direct drive?sn

Thread by: epoxicologist, Apr 17, 2019, 26 replies, in forum: Inboards

Thread

Offshore Fishing Boats

I am doing a good deal of research on saltwater recreational boats all the way from center console boats all the way up to 150' yachts and I was...

Thread by: Reid Crownover, Apr 15, 2018, 4 replies, in forum: Inboards

Thread

Converting inboard to ouboard

Hi Everyone, i have found a listing for a 1977 36-38 feet hull which i am interested in bringing to life. The boat originaly was designed for...

Thread by: Sulaiman, Mar 25, 2018, 3 replies, in forum: Boat Design

Boat Design Gallery

80084584_full

Merc 525 powered inboard skirace boat custom built by CT Marine NZ

Uploaded by: ct marine nz, Dec 17, 2008, 0 comments, in category: Performance V-hull Boats

Boat Design Gallery

80084581_full

Merc 525 powered inboard skirace boat custom built by CT Marine NZ

Uploaded by: ct marine nz, Dec 17, 2008, 0 comments, in category: Performance V-hull Boats

Boat Design Gallery

80084579_full

Merc 525 powered inboard skirace boat custom built by CT Marine NZ

Uploaded by: ct marine nz, Dec 17, 2008, 0 comments, in category: Performance V-hull Boats

Boat Design Gallery

Elia - Boat design - 10.5 m

Uploaded by: - 7 -, Jul 6, 2006, 0 comments, in category: Gallery of Professional Design Work

Boat Design Gallery

Elia - Boat design - 10.5 m

Uploaded by: - 7 -, Jul 6, 2006, 6 comments, in category: Gallery of Professional Design Work

Boat Design Gallery

Elia - Boat design - 10.5 m

Uploaded by: - 7 -, Jul 6, 2006, 0 comments, in category: Gallery of Professional Design Work

Boat Design Gallery

Inboard Sportboat 7.75

Uploaded by: - 7 -, Jul 7, 2005, 1 comments, in category: Gallery of Professional Design Work

Boat Design Gallery

551

A simple but spacy 5.50 meter open family boat with inboard/outboard power. Importend for me was a clean joint between the two shelfs of the boat.

Uploaded by: mselle, Jul 30, 2004, 0 comments, in category: Gallery of Professional Design Work

Boat Design Gallery

Vetus electric inboard motor

Uploaded by: lockhughes, Aug 15, 2002, 0 comments, in category: Propulsion