tug

Hi everybody, My name is Lucas, I am a trained ship mechanic from Germany. I was working on harbour and offshore tugs and research vessels. At the moment my approach to ships is more on a hobby base. I want to build some ship models from existing plans/ files to 3d-print them later on. In the...

Hello guys,i think this is the right place to post my question,how can i predict my engine power,based on the bollard pull?My tractor tug needs to develop 50 TBP and i have 2 azimuth propellers with D=2.1m,n=273 rot/m,T=263 KN.

Hi All, Can anyone advise how to do the powering calculation of a pusher tug. Pusher tug pushes -4 barges,each of 350 T capacity. Regards Adarsh

Hello all, I'm currently working on a concept for a small tugboat and I'm wondering if anyone has a midship drawing of a modern tugboat? Surprisingly to me, it's been somewhat difficult to find so if anyone had any related material it would be greatly appreciated. Thanks

In the towing criteria 46 CFR173.095 the residual righting energy should be calculated from 0 to MAX RA, FLOOD or 40 degree or it should be calculated from equilibrium to those limits? 2 ft.degree residual righting energy from equilibrium to flood/max/40 seems too liberal to fail. can someone...

Hello Everyone, I am doing a analytical / simple numerical approach for the structural components in the marine Stern roller. Now, I am looking for the some references or methodology for getting the optimum dimensions (Thickness) of Ring frames and Disc component. So, it would be very grateful...

Hi, I am trying to learn more about this combination: Surface-effect ship fitted with water jet propulsion system performing towing operation. I am struggling to find any information regarding this topic. Do you have any theoretical ideas what are the limitations and advantages there? I wonder...

Titan tug boat modelled in Blender.

Hi, I'm having fun, with the design of boats, and it's really easy to make, the hulls with Blender, now I can design optimally the surfaces, and I get excellent results in this last period. After much study a little satisfaction. Here my tug boat modelled in Blender.

Some sort of river police, Tugs, Chao Phraya, Bangkok, Thailand 2010

Wooden Tugs in action, Chao Phraya, Bangkok, Thailand 2010

Wooden Tugs in action, Chao Phraya, Bangkok, Thailand 2010

Wooden Tug, Chao Phraya, Bangkok, Thailand 2010

The Neville Tug 45 is a steel and aluminum recreational tug yacht design. The full displacement hull features a single hard chine, A bow thruster and large commercial style plate rudder are also provided. Alternately a steerable stern nozzle can be fitted as an option. The aluminum deckhouse...

The Neville Tug 45 is a steel and aluminum recreational tug yacht design. The full displacement hull features a single hard chine, A bow thruster and large commercial style plate rudder are also provided. Alternately a steerable stern nozzle can be fitted as an option. The aluminum deckhouse...

The Neville Tug 45 is a steel and aluminum recreational tug yacht design. The full displacement hull features a single hard chine, A bow thruster and large commercial style plate rudder are also provided. Alternately a steerable stern nozzle can be fitted as an option. The aluminum deckhouse...

Hello... I am putting a 'proper bottom' on her for SD... Also lower CG with the Volvo diesel... Everything still expands... Hell of a lot of warp in bow bottom panel - but workable in aluminum... What thoughts... SH.

8m steel tug yacht

Hello... Lot of bother - but fun - so there you go... SH.

Hello... Round portal on rear door needs to centered on rear fixed glass... 3/16 mill or marine at about 8 to 9 bucks a square foot.... Add 10 to 15 percent... SH.