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Old 29 October 2016, 22:39   #21
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Country: USA
Town: New York City
Boat name: SR6M
Make: Avon
Length: 6m +
Engine: Honda 130
MMSI: 338232981
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Given that this is a PVC it will disintegrate over time b/c of UV.
Actual rubber paint may be better, but has a hard time to stick.
How about just regular sandmix / anti skip into the paint?
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Old 29 October 2016, 22:52   #22
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Country: USA
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Make: Avon
Length: 6m +
Engine: Honda 130
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After looking at the images again I realize that you bought an SR6 that was already converted, the gas tank already placed in the position of the ballast tank. How many liters/gallons capacity?

And what year is your rib?

As for an outboard - I had a 200 2-stroke Yamaha on it and the beast would fly - even with 10+ people on board. I repowered this year with a heavier 4-stroke - a 130 Honda, and I have to say I am sold on the 4 strokes. They are very heavy though and this requires to put some ballast in the front. 550 lbs - or 250 kg is a chunk more than the 400 lbs Yamaha. Pushes the scuppers slightly under the waterline.
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Old 30 October 2016, 04:36   #23
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Country: Finland
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Boat name: Harmaakarhu
Make: Avon SR6
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Engine: Yamaha F150
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Posts: 96
This is 1991 SR6. The fuel tank has been put in at the factory and I think it's about 200 litres / 53 gallons. I didn't quite get what you meant by PVC? the anti-slip paint would be polyurethane based. Same as the deck surface now.

Factory specs with two 90hp 2-strokes would weight about 118kg each dry. And it would be almost exactly the same as one 225hp optimax. So I should be okay weight wise. Power is a bit over the top. But the second hand marked here in Finland is really limited on bigger engines. There's plenty of 20-50hp engines available. And that 225 opti that I'm looking at could be a bargain from the auction. We will see.
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Old 30 October 2016, 07:39   #24
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Country: USA
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Boat name: SR6M
Make: Avon
Length: 6m +
Engine: Honda 130
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Interesting. Mine is a 1991 as well. And definitely only has a ballast tank. So my guess is that yours has been converted a while ago. Which makes more sense than the ballast tank. Maybe it was a special edition? Your console still has the cutout in the front for the fuel tanks to slide in

As for the pvc - that is what the spec sheet of the rubber mat link says. It does not suggest outdoor use but perhaps has some UV protection in the bonding agent.
There is a product called Turf Coat which is actual rubber paint which is made for outdoors such as playgrounds. Can find a link if needed.

The 225 would be sweet. Especially with a full tank and people and equipment. My 130 pushes the boat at 30 mph (45 km/h) with a 16 pitch prop. Yet have to attach a tach to find out rpms and likely change prop to a 19. The 2.6 L V6 200 Yamaha that I had on her a while ago were consuming about 10 to 12 US gallons / 37 to 44 liters per hour at 3000 rpms and a 25 mph speed. With 2 person load. Plus the oil.
The 4 cycle is a lot more quiet and burns about . But I still somehow miss the raw screaming power of the 200.

If you put a 225 on it you may want to have a steel transom brace. That too was original equipment. Connects the transom with the deck. Is about 40 cm long on the diagonal side. Can send a pic.
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Old 30 October 2016, 08:24   #25
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Quote:
Originally Posted by Gynner View Post
If you put a 225 on it you may want to have a steel transom brace. That too was original equipment. Connects the transom with the deck. Is about 40 cm long on the diagonal side. Can send a pic.
There was 3 braces on the transom on mine but I ditched the two that had been made by the Finnish coast guard or the naval forces. I think that the massive alu plate and just one brace is enough. The two additional braces were probably installed when the deck started flexing from the soaked plywood. The two batteries were installed inside the lower compartment on the console. Those look like original installations also, with orange powder coated holders for the batteries. So I think that this was some special order for the coast guard.
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Old 30 October 2016, 09:05   #26
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Yes, I'd keep the center one. that is steel and original.

Will your rib live on a mooring or dock or be trailered?
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Old 30 October 2016, 09:50   #27
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Country: Finland
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Boat name: Harmaakarhu
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Mostly on a dock but she's got a trailer too.
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Old 12 November 2016, 13:12   #28
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Country: Finland
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Found this picture from the earlier days of my baby
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Old 13 November 2016, 00:08   #29
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Yupp.
Boat is also mentioned in Sebastian Junger's book "The Perfect Storm" as the rescue boat that gets launched from the US Coast Guard Cutter Tamaroa to help people on that sailboat.
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Old 13 November 2016, 04:32   #30
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Luckily I have proof. That is a Finnish Coast Guard vessel "Kiisla I" Build at 1956. It served at the Gulf of Botnia before it was sold to a private owner somewhere around 2001. Unfortunately it sunk soon after that.
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Old 15 November 2016, 13:19   #31
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Very good work and a good read. Excelent documentation.
Looking forward to see the final result.
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Old 15 November 2016, 14:03   #32
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Quote:
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Very good work and a good read. Excelent documentation.
Looking forward to see the final result.
Thanks, me too! This project is now hibernating for the winter.
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Old 18 November 2016, 01:43   #33
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my friend very good job, but personal opinion on vessels prohibited the wood despite only at transom
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Old 18 November 2016, 05:40   #34
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my friend very good job, but personal opinion on vessels prohibited the wood despite only at transom
Hi Memmos!
In my books wood is totally fine and surpasses most materials if weight is not considered. And in this case I wanted to get this boat fixed and did not want to spend a fortune on more exotic core materials. I think that if the boat had already lasted 25 years with poor decisions on fixings etc. It would last another 25 years with the same construction choices on materials. And this time all the inserts are bedded in epoxy. If I would make a totally new boat I would opt for something else than wood.

Nice build on your youtube link!
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Old 18 November 2016, 11:53   #35
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Old 05 December 2016, 15:55   #36
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Fantastic work on restoring this.
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Old 06 May 2017, 16:37   #37
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Image links broken

It seems that dropbox sharing has changed and all the linked images are now missing. But here is a link to a dropbox folder that has the images.

https://www.dropbox.com/sh/3ku6hhbky...eWcFXsiva?dl=0

Is there no edit function so one could fix earlier posts at all?
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Old 25 June 2017, 12:25   #38
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Seats plus storage

Just by luck stumbled upon these Buster LE extra rear seats / storage boxes. Exact fit to SR6. Planning to build a small platform to lift them up a bit and maxing them removable if needed. Maybe the rigging hoses will then have room to travel under them. Or I just guide them along the side of the boat. Dunno yet. Backrest will be attached to the A-frame. Also might push the boxes a bit backwards and cut holes to sides to give access to valves.

As you see this SR6 is still a project going on (slowly). Haven't been able to find a motor yet. Used but modern engines are a rarity in Finland it seems.

Still to come
Anchor box / seat to bow. I will probably make it from GRP.
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Old 28 June 2017, 03:21   #39
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Update on the engine. It seems that this will be powered by a Yamaha F150! Was not cheap, but it's a 2011 engine with just over 500 hours on the meter.
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Old 28 June 2017, 04:09   #40
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Treadmaster

As the engine choice went to this premium route. I'm also thinking that the floor should be up to par. So I'm leaning towards the Treadmaster deck. Difficult to decide between black and grey and should I glue it with sikaflex or opt for the Treadmaster PSA - Pressure sensitive adhesive.
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