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Forum: Restorations & Upgrades

04-15-2026, 02:02 AM

Replies: 737

Fountain 47, 2372cid single engine diesel

Views: 408,591

Posted By ksalmine

yes, cv joint can be assembled wrong but it won’t...

yes, cv joint can be assembled wrong but it won’t move back and forth anymore. I think these won’t go together wrong either.

Hatch have different opinions, I think single versus two part design...

Forum: Restorations & Upgrades

04-12-2026, 12:46 PM

Replies: 737

Fountain 47, 2372cid single engine diesel

Views: 408,591

Posted By ksalmine

https://cimg6.ibsrv.net/gimg/www.offshoreonly.com-...

https://cimg6.ibsrv.net/gimg/www.offshoreonly.com-vbulletin/2000x1504/20260403_212455_36302c96170c2bbae62d866a3e672d5f72155b0f.jpg...

Forum: Restorations & Upgrades

04-08-2026, 10:28 PM

Replies: 737

Fountain 47, 2372cid single engine diesel

Views: 408,591

Posted By ksalmine

I will visit Saaristo poker run too in Naantali...

I will visit Saaristo poker run too in Naantali but without boat. Fountain should be in water 13.6. saturday, hatch open for people in small show here in Valkeakoski

Forum: Restorations & Upgrades

04-04-2026, 12:28 AM

Replies: 737

Fountain 47, 2372cid single engine diesel

Views: 408,591

Posted By ksalmine

I do them by hand lamination, vacuumbagging would...

I do them by hand lamination, vacuumbagging would be way better but it takes more time and cost, plenty of bagging material go to trash every lamination job.
I will make nice looking surface later,...

Forum: Restorations & Upgrades

04-02-2026, 01:42 PM

Replies: 737

Fountain 47, 2372cid single engine diesel

Views: 408,591

Posted By ksalmine

Long time, no post. A lot have happened, but I...

Long time, no post. A lot have happened, but I have been lazy to upload pics and write here. Looks that people don't build anything special on OSO anymore, just outboard crap that I don't give a...

Forum: Restorations & Upgrades

03-02-2026, 10:53 PM

Replies: 737

Fountain 47, 2372cid single engine diesel

Views: 408,591

Posted By ksalmine

Thats no problem this old boar, I don’t be sure...

Thats no problem this old boar, I don’t be sure how it works for newer boats but you can just write what engine you have in registeration net site. I register this for Polish Wola V12 engine, it’s...

Forum: Restorations & Upgrades

02-24-2026, 02:06 PM

Replies: 737

Fountain 47, 2372cid single engine diesel

Views: 408,591

Posted By ksalmine

3D CAD design had begin in cabin. CAD means...

3D CAD design had begin in cabin. CAD means CArdboard Design. I can't make this complicated planning just inside head, I have to see and feel how you can move, how much free space, etc there will be....

Forum: Restorations & Upgrades

02-21-2026, 10:35 AM

Replies: 737

Fountain 47, 2372cid single engine diesel

Views: 408,591

Posted By ksalmine

I have think that hybrid shaft too, aluminium can...

I have think that hybrid shaft too, aluminium can handle torque and power easily, only problem is longitunal bending strenght. Carbon UD tube inside aluminium tube could work, but carbon-aluminium do...

Forum: Restorations & Upgrades

02-19-2026, 12:44 PM

Replies: 737

Fountain 47, 2372cid single engine diesel

Views: 408,591

Posted By ksalmine

Grid is complete now, it takes lot more time than...

Grid is complete now, it takes lot more time than I think as usual.
https://cimg1.ibsrv.net/gimg/www.offshoreonly.com-vbulletin/1500x2000/20260214_191617_2039a26ad3cc65dfc3e64f122aa7cc53cbe134f7.jpg...

Forum: Restorations & Upgrades

02-11-2026, 03:25 AM

Replies: 737

Fountain 47, 2372cid single engine diesel

Views: 408,591

Posted By ksalmine

https://cimg0.ibsrv.net/gimg/www.offshoreonly.com-...

https://cimg0.ibsrv.net/gimg/www.offshoreonly.com-vbulletin/962x555/btg1220_lightning47_specs_7842044db8eb3e3b1f8e5eb0ad9906523b6e17e8.jpg
Here is Fountain 47 test result with twin 1350's. Most...

Forum: Restorations & Upgrades

02-10-2026, 06:13 AM

Replies: 737

Fountain 47, 2372cid single engine diesel

Views: 408,591

Posted By ksalmine

That aircobra looks interesting! Never seen...

That aircobra looks interesting! Never seen before. Internet say that shaft is about 3" diameter, 3 meters long with one support bearing, engine rpm reduced to 2600-2700rpm so they were far away from...

Forum: Restorations & Upgrades

02-08-2026, 10:25 PM

Replies: 737

Fountain 47, 2372cid single engine diesel

Views: 408,591

Posted By ksalmine

There was some loading or update error, should...

There was some loading or update error, should read ”Does anyone know how much power loss M8 drives have?”

losses are not that simple that you can say something have like 96% effisiency, it...

Forum: Restorations & Upgrades

02-08-2026, 10:10 AM

Replies: 737

Fountain 47, 2372cid single engine diesel

Views: 408,591

Posted By ksalmine

And yes I'm not qorried about consumption, it...

And yes I'm not qorried about consumption, it would be just nice if this fat girl won't be thirsty.

Forum: Restorations & Upgrades

02-08-2026, 10:09 AM

Replies: 737

Fountain 47, 2372cid single engine diesel

Views: 408,591

Posted By ksalmine

Plavutka, 58knots is best economy cruising speed...

Plavutka, 58knots is best economy cruising speed for that new 47 Fountain, 0.96mpg, it's 2.45l/km. Does anyone know how much M8 drives have. Those turbo gas engines have not good bsfc...

Tenth...

Forum: Restorations & Upgrades

02-08-2026, 12:38 AM

Replies: 737

Fountain 47, 2372cid single engine diesel

Views: 408,591

Posted By ksalmine

I remember consumption little too small, I...

I remember consumption little too small, I calculatebit years ago.
3x525 boat should go 1mpg at cruse speed, it is 2.35l/km
Marine bbc is something like 0.45 and for example old scania 16liter v8...

Forum: Restorations & Upgrades

02-06-2026, 02:23 PM

Replies: 737

Fountain 47, 2372cid single engine diesel

Views: 408,591

Posted By ksalmine

That was a yoke, they burn so much fuel that I...

That was a yoke, they burn so much fuel that I can't do that. 40% of full throttle just idle. I like Transmash power day that work like it desinged, 2500-3000hp max power, 2000hp continious,...

Forum: Restorations & Upgrades

02-06-2026, 02:10 PM

Replies: 737

Fountain 47, 2372cid single engine diesel

Views: 408,591

Posted By ksalmine

do you mean I should change to turbines🤪 I have...

do you mean I should change to turbines🤪 I have think that years earlier before Transmash

Forum: Restorations & Upgrades

02-06-2026, 01:28 PM

Replies: 737

Fountain 47, 2372cid single engine diesel

Views: 408,591

Posted By ksalmine

Good news for you my followers, I have new phone...

Good news for you my followers, I have new phone that have good camera, pictures are much more better. We laminate floor yesterday. 1200g/m2 biax glass over faired foam, keel is now pretty tough,...

Forum: Restorations & Upgrades

01-30-2026, 01:50 PM

Replies: 737

Fountain 47, 2372cid single engine diesel

Views: 408,591

Posted By ksalmine

New friend of mine have been helping me couple...

New friend of mine have been helping me couple times, I'm very happy about that because usually I do all alone. We were sailing in Greece last autumn, live one week in 47' Jeanneau and you have lot...

Forum: Restorations & Upgrades

01-29-2026, 10:42 PM

Replies: 737

Fountain 47, 2372cid single engine diesel

Views: 408,591

Posted By ksalmine

Solid shaft is the worst for drive shaft, shaft...

Solid shaft is the worst for drive shaft, shaft strenght vs weight must be high to get shaft rpm up, othervice critical speed aka specific vibration frequency cause bad vibration and shaft fail.
...

Forum: Restorations & Upgrades

01-27-2026, 10:36 PM

Replies: 737

Fountain 47, 2372cid single engine diesel

Views: 408,591

Posted By ksalmine

Thanks for tips but they won’t work. Two...

Thanks for tips but they won’t work.

Two piece drive shafts can not be used because too big angle for rear CV joint when full trim or steering angle. Surface drive flange move when drive move.
...

Forum: Restorations & Upgrades

01-22-2026, 12:44 PM

Replies: 737

Fountain 47, 2372cid single engine diesel

Views: 408,591

Posted By ksalmine

Plavutka, I won't need spaceshuttle or Formula...

Plavutka, I won't need spaceshuttle or Formula one quality carbon part for Fountain drive shafts, they have to transmit torque that is necessary and withstand 4600rpm with out vibration or explode,...

Forum: Restorations & Upgrades

01-20-2026, 10:16 PM

Replies: 737

Fountain 47, 2372cid single engine diesel

Views: 408,591

Posted By ksalmine

Thanks! No, carbon fiber is only material that...

Thanks! No, carbon fiber is only material that strenght to weight ratio is high enough, maybe titanium too but it’s out of budget.
But if I can’t do good enough carbon tube this summer, I think to...

Forum: Restorations & Upgrades

01-20-2026, 12:52 AM

Replies: 737

Fountain 47, 2372cid single engine diesel

Views: 408,591

Posted By ksalmine

Stringer lamination is 3/4 done, today night...

Stringer lamination is 3/4 done, today night should be completed. All go well, good bond to bottom and very little air bubbles under laminate. Black part of stringer is UD carbon fiber, 2mmx50mm flat...

Forum: Restorations & Upgrades

01-04-2026, 10:47 PM

Replies: 737

Fountain 47, 2372cid single engine diesel

Views: 408,591

Posted By ksalmine

I think it’s better laminating stringers first to...

I think it’s better laminating stringers first to get these beams as rigid as possible, then add ribs between stringers. Boat is so narrow that ribs won’t make big deal, stringer distance each other...

Showing results 1 to 25 of 346