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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
Join Date: Jul 2013
Posts: 49
RIBase
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
Town: New York City
Boat name: SR6M
Make: Avon
Length: 6m +
Engine: Honda 130
MMSI: 338232981
Join Date: Jul 2013
Posts: 49
RIBase
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
Town: Helsinki
Boat name: Harmaakarhu
Make: Avon SR6
Length: 6m +
Engine: Yamaha F150
Join Date: Feb 2009
Posts: 75
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
Town: New York City
Boat name: SR6M
Make: Avon
Length: 6m +
Engine: Honda 130
MMSI: 338232981
Join Date: Jul 2013
Posts: 49
RIBase
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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Country: Finland
Town: Helsinki
Boat name: Harmaakarhu
Make: Avon SR6
Length: 6m +
Engine: Yamaha F150
Join Date: Feb 2009
Posts: 75
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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Country: USA
Town: New York City
Boat name: SR6M
Make: Avon
Length: 6m +
Engine: Honda 130
MMSI: 338232981
Join Date: Jul 2013
Posts: 49
RIBase
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
Town: Helsinki
Boat name: Harmaakarhu
Make: Avon SR6
Length: 6m +
Engine: Yamaha F150
Join Date: Feb 2009
Posts: 75
Mostly on a dock but she's got a trailer too.
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Old 12 November 2016, 12:12   #28
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Country: Finland
Town: Helsinki
Boat name: Harmaakarhu
Make: Avon SR6
Length: 6m +
Engine: Yamaha F150
Join Date: Feb 2009
Posts: 75
Found this picture from the earlier days of my baby
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Old 12 November 2016, 23:08   #29
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Country: USA
Town: New York City
Boat name: SR6M
Make: Avon
Length: 6m +
Engine: Honda 130
MMSI: 338232981
Join Date: Jul 2013
Posts: 49
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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, 03:32   #30
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Country: Finland
Town: Helsinki
Boat name: Harmaakarhu
Make: Avon SR6
Length: 6m +
Engine: Yamaha F150
Join Date: Feb 2009
Posts: 75
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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