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Everything posted by steamschooner
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- 208 replies
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- john cudahy
- finished
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Casting Propellers
steamschooner replied to steamschooner's topic in Metal Work, Soldering and Metal Fittings
Bill, The melting pot I ordered on line, there are a number of places that sell them. The Contenti Company for one. The centrifugal, A friend in Portland knew of a bare bones used one which I bought. I added the crucible and had a old washing machine tub to put it in. If I start using higher temp metals I will add a lid for safety. I think most large Jewelry making supply places will carry melt pots and centrifigals. The Cerro Cast that I use I bought from a Foundry supply in Portland Oregon. The same place I got the crucible. The vulcanizing rubber, both kinds I purchased from the Contenti Co. Thanks Tom. A big learning curve on this one. -
Patrick, I am blown away every time I stop by. I would be bonkers trying to get that scale of detail.
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Casting Propellers
steamschooner replied to steamschooner's topic in Metal Work, Soldering and Metal Fittings
Thank's druxey, I am happy with my results and know I can make more as needed. Here is the one for my " John Cudahy " all colored up and with a ruler. -
Awhile back I decided I wanted to replace the left handed propeller on my " John Cudahy " project with a right handed prop. So I carved a four blade right hand propeller. Then I thought I might as well see if I could cast some extras. Starting with some vulcanizing rubber and a round mold frame I added a bottom layer of red vulcanizing rubber. I than pressed the master pattern into the rubber as deep as I could and added rubber under the blades. To create a parting line around the edge of all four blades.The prop and rubber was than cooked to harden it up. Once the bottom was done I used a liquid room temp vulcanizing rubber and poured it over the bottom half. It needed several days to set up at which time I cut the softer upper layer in half and removed the master pattern. I had included four position pegs in the mold so it can only be reassembled one way. To mount the mold in the centrifugal I cut two plywood disks just slightly larger than the mold. one for the back side and one with a hole that lined up with the fill hole in the mold. using four quick clamps the mold was mounted in the centrifugal's cradle and lined up with the crucible. In the melt pot I heated up some Cerro Cast alloy to use in the mold. When things were ready I spooned in some liquid cerro cast into the crucible and pulled the pin.Stood back and let it spin. The first few try's showed a couple of kinks which were taken care of.I ended up making four propellers which I can use for other projects. Using some files I cleaned up the flash and did a little more shaping. Once I was happy with it I sandblasted the whole propeller. This was my first time trying to cast a propeller and after tweeking the mold a little I am getting good throws each time.
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Nils, I have been following along on your build, all I can say is WOW what a great job. First cabin all the way.
- 2,625 replies
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- kaiser wilhelm der grosse
- passenger steamer
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John & Patrick, I still have some odds and ends to do than I can move topside again. Thanks for checkin things out. Michael, I do have a couple of LEd's down there that might help in seeing some detail. Thanks for stopping by.
- 208 replies
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- john cudahy
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- 208 replies
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- john cudahy
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Wonderful job, she would look great in anybody's collection
- 745 replies
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- francis pritt
- mission ship
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Hello from washington state
steamschooner replied to fifeman93514's topic in New member Introductions
Hello John, Welcome to MSW I live up the Willapa Valley about an hour drive from you. Not wet here at the moment. -
Gary, I used Cerro Cast A low temp alloy in vulcanized rubber molds. Cleaned up with files and sandblasted. Finished with black india ink. You can see more on posts 38-40. Glad you like my little engine.
- 208 replies
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- john cudahy
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Thanks everyone for the "likes" Learner a separate build log for the engine would be a lesson in what not to do. So many things did not go the way they should but I am still glad I foraged ahead and built it. John, Thanks for stopping by I have been watching your tug as well, great job.
- 208 replies
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- john cudahy
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- 208 replies
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Show me your "Pinky" ... Glad Tidings or ?
steamschooner replied to RFP's topic in Wood ship model kits
Rob, Here is a model of a pinky that I built many years ago. It's dirty and needs to be rerigged. It was one of my very early scratch builds. I copied the plans out of the book: American Sailing Ships their plans and history by Charles Davis. -
Nils, Really love your build ! you are doing a splendid job of all the detail which just adds more of that ocean liner charm.
- 2,625 replies
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- kaiser wilhelm der grosse
- passenger steamer
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John, One can almost smell the hot oil and steam, glad you like my little engine. Patrick,Nothing was/is easy with this little bugger but I am having fun with it.
- 208 replies
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- john cudahy
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Gary, glad you like my engine it's been a interesting build so far. Michael, Some of it will get painted ,some will stay a brass look. Guess when I have It all together I will than decide what gets painted and what gets left alone.
- 208 replies
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- john cudahy
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Just a teaser to show I have been working on my project. It's far from being done and there are a lot of temp pins holding things together. Once I have all the parts made than I will do the final assembly.
- 208 replies
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- john cudahy
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Nils, She's looking really great with all the details, each little section a project in it's self.
- 2,625 replies
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- kaiser wilhelm der grosse
- passenger steamer
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Thanks Nils, It's these mini projects that make a build enjoyable.
- 208 replies
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- john cudahy
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John, Patrick Thanks for stopping by Roger, I plan on including a jacking gear on engine.
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