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#1
posted to rec.boats.building
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Stevensons MiniCup
Hi
I completed a marine ply-wood Minicup hull in Auckland , NZ in 2007, but did not get futher as we moved to Canada. I sold the hull. I am working on the design aspects of building a skin-on-frame Minicup, using the techniques I learned building a Tom Yost pvc skin / aluminum frame kayak. It will be interesting to see how this proceeds. All feedback from Minicup builders welcome. Cheers Sofcrafts |
#2
posted to rec.boats.building
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Stevensons MiniCup
On Feb 13, 7:22 pm, wrote:
Hi I completed a marine ply-wood Minicup hull in Auckland , NZ in 2007, but did not get futher as we moved to Canada. I sold the hull. I am working on the design aspects of building a skin-on-frame Minicup, using the techniques I learned building a Tom Yost pvc skin / aluminum frame kayak. It will be interesting to see how this proceeds. All feedback from Minicup builders welcome. Cheers Sofcrafts how about experienced SOF builders? |
#3
posted to rec.boats.building
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Stevensons MiniCup
wrote in message ... Hi I completed a marine ply-wood Minicup hull in Auckland , NZ in 2007, but did not get futher as we moved to Canada. I sold the hull. I am working on the design aspects of building a skin-on-frame Minicup, using the techniques I learned building a Tom Yost pvc skin / aluminum frame kayak. It will be interesting to see how this proceeds. All feedback from Minicup builders welcome. Cheers Sofcrafts Keeps us updated! |
#4
posted to rec.boats.building
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Stevensons MiniCup
Sounds like a fun project. I quite enjoyed my old MiniCup but did find the
hull rather heavy for car-topping and dragging on the dolly to the beach. -- Andrew Butchart wrote in message ... Hi I completed a marine ply-wood Minicup hull in Auckland , NZ in 2007, but did not get futher as we moved to Canada. I sold the hull. I am working on the design aspects of building a skin-on-frame Minicup, using the techniques I learned building a Tom Yost pvc skin / aluminum frame kayak. It will be interesting to see how this proceeds. All feedback from Minicup builders welcome. Cheers Sofcrafts |
#5
posted to rec.boats.building
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Stevensons MiniCup
On Feb 15, 12:38 pm, "Andrew Butchart" wrote:
Sounds like a fun project. I quite enjoyed my old MiniCup but did find the hull rather heavy for car-topping and dragging on the dolly to the beach. -- Andrew Butchart wrote in message ... Hi I completed a marine ply-wood Minicup hull in Auckland , NZ in 2007, but did not get futher as we moved to Canada. I sold the hull. I am working on the design aspects of building a skin-on-frame Minicup, using the techniques I learned building a Tom Yost pvc skin / aluminum frame kayak. It will be interesting to see how this proceeds. All feedback from Minicup builders welcome. Cheers Sofcrafts What is "skin on frame". I also think the Minicup hulls are heavy ( I built two). I have dragged them around a lot and have also repaired them a lot. They really need about 10+ kts wind to really move. I was looking at1/8" ply yesterday wondering if it and 4 oz glass would work for a MiniCup. |
#6
posted to rec.boats.building
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Stevensons MiniCup
On Feb 15, 12:38 pm, "Andrew Butchart" wrote:
Sounds like a fun project. I quite enjoyed my old MiniCup but did find the hull rather heavy for car-topping and dragging on the dolly to the beach. -- Andrew Butchart wrote in message ... Hi I completed a marine ply-wood Minicup hull in Auckland , NZ in 2007, but did not get futher as we moved to Canada. I sold the hull. I am working on the design aspects of building a skin-on-frame Minicup, using the techniques I learned building a Tom Yost pvc skin / aluminum frame kayak. It will be interesting to see how this proceeds. All feedback from Minicup builders welcome. Cheers Sofcrafts My original MiniCups were made from 3/16 ply so I can imagine that one made from 1/4" ply would be really heavy. |
#7
posted to rec.boats.building
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Stevensons MiniCup
My Minicup was made from 1/4 inch marine ply, and I used the comman
bath scales with a scary rig arrangement to weigh it and the bare hull --no rudder,no centre-board come up to some 170lbs. Not easy to cartop. In reply to the question What is "skin on frame". -- you build a frame of wood or other material to conform to your hull shape and then cover it with a waterproof "skin" which will enable the frame to float. Just Google it. The 16 foot kayak I built weighs under 30 lbs. For those interested see www.yostwerks.com. Re the SOF-Mcup design, I wonder if I should add a wee bit of rocker to keep the transom end out of the water. Will try to input into Carlsons Hulls, if some one has done it, would appreciate receiving the file. Cheers |
#8
posted to rec.boats.building
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Stevensons MiniCup
On Feb 16, 5:27 pm, Frogwatch wrote:
On Feb 15, 12:38 pm, "Andrew Butchart" wrote: Sounds like a fun project. I quite enjoyed my old MiniCup but did find the hull rather heavy for car-topping and dragging on the dolly to the beach. -- Andrew Butchart wrote in message ... Hi I completed a marine ply-wood Minicup hull in Auckland , NZ in 2007, but did not get futher as we moved to Canada. I sold the hull. I am working on the design aspects of building a skin-on-frame Minicup, using the techniques I learned building a Tom Yost pvc skin / aluminum frame kayak. It will be interesting to see how this proceeds. All feedback from Minicup builders welcome. Cheers Sofcrafts My original MiniCups were made from 3/16 ply so I can imagine that one made from 1/4" ply would be really heavy. the thirty foot umiak (SOF traditional whale boat) i sail around in tops at 300 lbs. 4 kts of wind push it easy as you want with the junk rig. she will do every bit of her hull speed in 9 kts. it will be fun to see a spray. unless you get gorilla with it i cant see it much over 80 lbs. |
#9
posted to rec.boats.building
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Stevensons MiniCup
On Feb 17, 2:33 am, Two meter troll wrote:
On Feb 16, 5:27 pm, Frogwatch wrote: On Feb 15, 12:38 pm, "Andrew Butchart" wrote: Sounds like a fun project. I quite enjoyed my old MiniCup but did find the hull rather heavy for car-topping and dragging on the dolly to the beach. -- Andrew Butchart wrote in message ... Hi I completed a marine ply-wood Minicup hull in Auckland , NZ in 2007, but did not get futher as we moved to Canada. I sold the hull. I am working on the design aspects of building a skin-on-frame Minicup, using the techniques I learned building a Tom Yost pvc skin / aluminum frame kayak. It will be interesting to see how this proceeds. All feedback from Minicup builders welcome. Cheers Sofcrafts My original MiniCups were made from 3/16 ply so I can imagine that one made from 1/4" ply would be really heavy. the thirty foot umiak (SOF traditional whale boat) i sail around in tops at 300 lbs. 4 kts of wind push it easy as you want with the junk rig. she will do every bit of her hull speed in 9 kts. it will be fun to see a spray. unless you get gorilla with it i cant see it much over 80 lbs. As I said, I used 3/16 ply and I can get mine atop my truck and can get it to and from water with the dolly but I like the SOF concept but it looks too fragile for the abuse I give my boats. I sail onto oyster bars, drag my boats up and down embankments, etc. I wonder about a lightweight glass skin on frame. I have also rebuilt both MiniCups. There must be a better way, a sort of 1/8" ply cover with 4 oz glass done as stitch and glue. Replace the solid wood piece joining the bottom pieces with a paper tube cut in half and glassed. Make the cockpit round to avoid the heavy bulkheads. Get rid of the decking that covers the edges of the cockpit (although it gives a place to sit). Stitch and glue would eliminate most stringers too. |
#10
posted to rec.boats.building
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Stevensons MiniCup
On Feb 17, 8:28 pm, Frogwatch wrote:
On Feb 17, 2:33 am, Two meter troll wrote: On Feb 16, 5:27 pm, Frogwatch wrote: On Feb 15, 12:38 pm, "Andrew Butchart" wrote: Sounds like a fun project. I quite enjoyed my old MiniCup but did find the hull rather heavy for car-topping and dragging on the dolly to the beach. -- Andrew Butchart wrote in message ... Hi I completed a marine ply-wood Minicup hull in Auckland , NZ in 2007, but did not get futher as we moved to Canada. I sold the hull. I am working on the design aspects of building a skin-on-frame Minicup, using the techniques I learned building a Tom Yost pvc skin / aluminum frame kayak. It will be interesting to see how this proceeds. All feedback from Minicup builders welcome. Cheers Sofcrafts My original MiniCups were made from 3/16 ply so I can imagine that one made from 1/4" ply would be really heavy. the thirty foot umiak (SOF traditional whale boat) i sail around in tops at 300 lbs. 4 kts of wind push it easy as you want with the junk rig. she will do every bit of her hull speed in 9 kts. it will be fun to see a spray. unless you get gorilla with it i cant see it much over 80 lbs. As I said, I used 3/16 ply and I can get mine atop my truck and can get it to and from water with the dolly but I like the SOF concept but it looks too fragile for the abuse I give my boats. I sail onto oyster bars, drag my boats up and down embankments, etc. I wonder about a lightweight glass skin on frame. I have also rebuilt both MiniCups. There must be a better way, a sort of 1/8" ply cover with 4 oz glass done as stitch and glue. Replace the solid wood piece joining the bottom pieces with a paper tube cut in half and glassed. Make the cockpit round to avoid the heavy bulkheads. Get rid of the decking that covers the edges of the cockpit (although it gives a place to sit). Stitch and glue would eliminate most stringers too. Dont know Frog both the umiaks are made with 12 oz skin and fully impregnated with varathane. Ive gotton wear holes in them in a couple of places but have yet to have anything like rocks or glass poke a hole in them. replaced the skin on one and it was a bitch just to get a knife into it. just like a ply boat there are things that will eat it alive. you might have to change the type of abuse you give it. however a dab or so of aquaseal will fix it right up. I would say give it a try they are not very costly. or come on over and try one of mine out. i have one junk rigged and the other runs a two point five outboard. one thing you might like is that these loverly things self damp the wake of other boats; its the coolest thing. |
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