D5 Dinghy NZ OneWayTraffic Oct 2017

Post your launchings, and post-launch adventures here. Please keep the to plan/date format.
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OneWayTraffic
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D5 Dinghy NZ OneWayTraffic Oct 2017

Post by OneWayTraffic » Wed Feb 20, 2019 5:37 am

I know I finished this boat long ago but I thought some would find these photos interesting. Took the D5 to a local swimming hole with the Scouts group and took the chance to try some swamp testing.

First photo is the boat as originally built. I had not put any bouyancy in the front compartment, and this was a mistake. The rear compartment is sealed with a hatch, the middle is open (hole cut in the side) but I do have several pool noodles in there.
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Last winter I made some pontoon tubes from polyurethane nylon fabric ordered off a DIY pack raft outfit in Canada. The fabric can be heat welded with a clothes iron. The design is super simple, no sexy curves. About 70 litres (155 pounds) each side (2m by 25cm diameter)
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Look kind of ugly but they do work. I tried to capsize the boat by standing on a gunwale and leaning out but only succeeded in getting myself wet. The boat self righted.
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I removed one of them and bailed water into the boat. I had a very willing helper. In the photos I am leaning on the side of the boat with as much force as I can. Still wouldn't capsize. Reentering is a piece of cake. So I tried the other side.
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It wasn't easy, but it could be done. I would conclude that the boat can be reentered, fully swamped if built to design with all three compartments foamed. With only one of the three compartments sealed, but my tubes on the side it is practically unsinkable, and far less tender. Shame about the aesthetics, but they can be removed at will.



Fuzz
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Re: D5 Dinghy NZ OneWayTraffic Oct 2017

Post by Fuzz » Wed Feb 20, 2019 4:53 pm

Great information :!: Thank you for taking the time to do the testing and then posting the results.

OneWayTraffic
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Re: D5 Dinghy NZ OneWayTraffic Oct 2017

Post by OneWayTraffic » Sun Mar 03, 2019 12:44 am

Took it to lake Georgina in the high country yesterday. My son caught a decent size rainbow trout (USA species). Stunning late summer day.
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