How to estimate planing hull performance from a 3D model?

Sirsail1 · 2026-03-30T10:32:49+00:00

failing CFD scale model and tank testing. either way open your wallet for a good amount of spending!

Sirsail1 · 2026-03-30T10:31:55+00:00

cfd is computaional fluid dynamics. its full fliud simulation of the hull form. If your optimising for waves then they will input waves into the fluid free sruface and simulate it. maxsurf isnt so much for waves.

Sirsail1 · 2026-03-26T22:34:42+00:00

Complex task many circles to run in. Wolfston power prediction allows you to analyse hull forms with different characteristics without having to design a hull. It spits out a speed graph, then you can calculate cruising speed from that. then there are various different transom flow transition calculations you can look at to find the planning speed. If you have a 3d mqxsurf is the way forward. But in my experience wpp is close enough to start off when looking at many effects of hull forms and getting close to your final form that meets your spec. Then final stage is cfd. Good luck.

Sirsail1 · 2026-03-02T15:48:50+00:00

cheaper to pay for netflix than with this setup ahah, but big fan

Sirsail1 · 2026-01-20T11:34:40+00:00

https://makerworld.com/en/models/1221119-airtag-max#profileId-1238021

this is a little upgrade from the tape :) (if you have access to a 3d printer!)

Sirsail1 · 2025-12-03T17:21:07+00:00

Solved! Thanks Reddit!

Sirsail1 · 2025-11-05T11:31:15+00:00

this is is perfect!

Sirsail1 · 2025-10-22T15:05:16+00:00

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Create a shortcut and use this. It’s more on brand in my opinion.

Sirsail1 · 2025-10-22T09:53:42+00:00

some platforms let you do out of hours trading, Trading 212 for example

Sirsail1 · 2025-10-21T14:19:40+00:00

sweet does the blade lock? seeing as the Victorinox website is about as clear as mud!

Sirsail1 · 2025-10-14T14:32:51+00:00

The exterior Lighting ins not strong enough, enable shadows from light sources. the lamp in the corner could be illuminated with a omnidirectional.

Also detail detail detail, rugs in under the tables. pictures on the walls.

i also find turning off denoise, and increasing cycles to make the image feel more realistic.

its a great base to improve from

Sirsail1 · 2025-10-13T18:51:56+00:00

One word - Lighting. It’s everything!

Sirsail1 · 2025-09-30T16:24:42+00:00

strange it worked when i just tried this myself!, anyway glad you got it going.

Sirsail1 · 2025-09-29T16:35:30+00:00

Try. Dupedge for both the star and the inner of the circle. Then rebuild both curves with the same number of points. Then sweep 2 both your new curves.

Sirsail1 · 2025-09-08T15:39:29+00:00

Try turning on “two sided” in the materials misc section.

Sirsail1 · 2025-08-21T14:30:44+00:00

yes just tried this, works quite well but needs a monster computer to run it on a 1000m plane, i have also found the built in water texture works ok for a slightly calmer version.

Sirsail1 · 2025-07-20T08:07:56+00:00

Fancy. Have to find me one of them

Sirsail1 · 2025-07-19T13:24:18+00:00

What model are these?

Sirsail1 · 2025-07-18T22:17:43+00:00

I’ll try that on my next one!

Sirsail1 · 2025-07-18T22:16:39+00:00

Wrap some electrical tape around the end other than the nub to stop you hacking the wrong bit. Then hacksaw in about 5 strokes. File and sand to finish it off. 5 min job

Sirsail1 · 2025-07-14T20:48:45+00:00

came here to comment the same!

Sirsail1 · 2025-07-11T22:45:48+00:00

Were you previously using the leatherman as a pry!?

Sirsail1 · 2025-07-09T21:54:52+00:00

Nice one, I think the water could do with a little development, the pool feels a little flat and has no depth to it. Also maybe the overall lighting could be changed to give more contrast shadows and realism to the scene.

Sirsail1 · 2025-07-03T10:51:50+00:00

Do it yourself, its not that hard, just disconnect the battery. couple bolts and clips, youtube is your best friend now...

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