Step Pads |
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adamt ![]() Gold Member ![]() ![]() Joined: July-18-2007 Location: Orlando, FL Status: Offline Points: 927 |
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Pete, what do you mean when you say "vinyl spray paint"? |
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-Adam
1973 Skier |
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8122pbrainard ![]() Grand Poobah ![]() ![]() Joined: September-14-2006 Location: Three Lakes Wi. Status: Offline Points: 41045 |
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Jeff, It's not a CC. It was made by the Dunphy boat company between late 62 and early 65. The closest I can come to how many were produced is 160. Still around, I've located 23. All came with the 312 Ford "Y" block 215 HP. Here's a shot from last summer at GL. ![]() ![]() Pictures courtesy of Tim Morfoot |
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connorssons ![]() Platinum Member ![]() Joined: January-17-2009 Location: Michigan Status: Offline Points: 1414 |
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What is a X55 post pics. thanks jeff
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8122pbrainard ![]() Grand Poobah ![]() ![]() Joined: September-14-2006 Location: Three Lakes Wi. Status: Offline Points: 41045 |
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Sherwood, Generic pads are available off the shelf to fit the Atwood frames. Available in black but can be painted white with a can of vinyl spray paint. That's what I'm running now on my X55. Yes Frank could make them but I don't feel having to CNC a generic mold for a low volume run would be economical. Whites are available in a self adhesive form and could be trimed to fit inside the frame. About $5 each. |
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MartyMabe ![]() Grand Poobah ![]() ![]() Joined: February-21-2006 Location: High Point,NC Status: Offline Points: 4004 |
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Sunapee Crow---Rick
How much and pics? Marty Mabe mtmabe@northstate.net |
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SUNAPEE CROW ![]() Senior Member ![]() Joined: February-06-2008 Location: Methuen,MA Status: Offline Points: 110 |
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I have a set of four step pad frames that look like and are about the exact size of Frank's original posting. They are die cast and not in bad shape. If anyone can use them give me a shout.
They have an Atwood part number 8006. |
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woodyz ![]() Newbie ![]() Joined: October-20-2008 Location: United States Status: Offline Points: 8 |
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Hi Frank, Could you make some generic step pads in white? Woodyz '91 Excel |
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Woodyz 91 Excel
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8122pbrainard ![]() Grand Poobah ![]() ![]() Joined: September-14-2006 Location: Three Lakes Wi. Status: Offline Points: 41045 |
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Bruce, Sorry you missed it but Tim's correct they are for my X55. I'm running generic black pads painted white with vinyl paint now. Not very original!! The expensive part of the process is really having the mold CNC'd.
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TRBenj ![]() Grand Poobah ![]() ![]() Joined: June-29-2005 Location: NWCT Status: Offline Points: 21210 |
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Bruce, I think Pete's pads in question are for his Dunphy X55, not a CC. |
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Riley ![]() Grand Poobah ![]() ![]() Joined: January-19-2004 Location: Portland, ME Status: Offline Points: 7966 |
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Pete, Frank's look so good why don't you just use those?
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8122pbrainard ![]() Grand Poobah ![]() ![]() Joined: September-14-2006 Location: Three Lakes Wi. Status: Offline Points: 41045 |
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I'd like to comment on Frank's step pads. I talked with him yesterday (Frank, thanks for the opportunity) and learned about what he has gone though to reproduce the pads. First, he's machined a mold to make them rather than pull a mold off a old pad. This is why his pads look so good with the clean crisp details. Second he has the equipment needed to cast top quality parts. This is a pressure vessel so the mold with the liquid resin is placed in it to remove the entraped air bubbles. Great work Frank!
I wasn't able to get all the chunks of my round two experiment out of my mold so I'll see if I can pull another mold off my original for Frank to work with. Since the X's pads will not be high volume, I don't want to go to the expence at this time finding some one to CNC a "hard" mold. My opportunity to have it done here at work dried up when both of our CNC operators were laid off!! |
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8122pbrainard ![]() Grand Poobah ![]() ![]() Joined: September-14-2006 Location: Three Lakes Wi. Status: Offline Points: 41045 |
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Machining a mold was a route I was going to take and then have our injection plastics division mold them out of a injectable rubber such as Santoprene. Unfortunately that division got hit by the China problem and we ended up mothballing 90% of the presses! Actually, I feel the process and the Santoprene was used originally. Yes, there's shrinkage on the originals plus the shrinkage of the casting process.
I have the mold still with a original stuck to it and will see if I can cast a new master. Making the first master, I picked a Devcon casting urethane just so it would give me some flexibility in order to get it off the original pad without damaging it. Thanks for your phone number. I'll give you a call after look at what's left of the project tonight. |
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FrankT ![]() Senior Member ![]() ![]() Joined: September-07-2006 Status: Offline Points: 245 |
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My molds are cut, not cast off of an original part due to wear. In fact I have two sets, one is the same length of the original step pads and the other is about 3% longer. I am not certain if the originals shrank but they do not go to the extents of the chrome trims. See picture in the original posting.
You might want to try bondo. Stick the original to a piece of wood cut to the same shape and size of the reveal (the thin part that goes under the trim), lube up the face of the original with vaseline and then work it in. When it dries pull it out the original and see what you have. If it looks good cut the excess away leaving about 1 inch all around and then it you have a disk or belt sander, sand down the top to achieve the reveal thickness desired. When done, prime and paint with a good glossy paint. Hopefully with a good release agent the new material can be removed from the painted mold. I have a air scoop mold made this way but I will be casting with polyester resin and not the step pad material. Frank |
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8122pbrainard ![]() Grand Poobah ![]() ![]() Joined: September-14-2006 Location: Three Lakes Wi. Status: Offline Points: 41045 |
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Frank, I'll dig the mold that I pulled off a original tonight when I get home. I believe it still has parts of my last attempt of casting still stuck in it even though I used a silicone mold release. If I need to cast a new master, I will. Your casting them for me sounds like a plan we could handle.
Yes, this was my first problem I mentioned with the vacuum degassing issue not being user friendly. Besides the vacuum, it required heating so I hooked up a vacuum pump, put it in my wifes oven and the can collapsed. What a mess!! I don't think she'll ever forget that! Round two, I used a glass jar that would handle the vacuum but still ended up with bubbles in the cast part. I have a feeling I'm not going to be able to get the remaining chucks of round 3 out of my mold and will end up casting a new master. Any preference to a casting material for a new master? |
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FrankT ![]() Senior Member ![]() ![]() Joined: September-07-2006 Status: Offline Points: 245 |
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Do you have any molds of what you are trying to reproduce? What material are they? Perhaps I can cast some for you.
The smallest quantity of material I can buy is a two gallon kit, one each of part A & B, in addition to color pigments. The casting process is as critical as the material as it is very moisture sensitive and prone to air bubbles. Frank |
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8122pbrainard ![]() Grand Poobah ![]() ![]() Joined: September-14-2006 Location: Three Lakes Wi. Status: Offline Points: 41045 |
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Frank,
I wanted to bring this back to the top. I looked in your profile for a email for a PM but you didn't list one. I see your last visit was this morning but may have missed this thread. Your help on the casting compound would be appreciated. Don't worry I'm not going to be making CC step pads and undercutting your project! As mentioned, I need the info for my Dunphy X-55 step pads. I did a search for a aliphatic poly elastomer but wasn't able to come up with anything definitive. You can PM me through my profile. Thanks
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8122pbrainard ![]() Grand Poobah ![]() ![]() Joined: September-14-2006 Location: Three Lakes Wi. Status: Offline Points: 41045 |
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Frank,
Very nice! I'm sure you will get plenty of interest. Would you mind telling me where you got the material? I've worked on making a set for my Dunphy for years and the casting material was always the set back. Ether not user friendly requiring vacuum degassing or not UV stable! Did you use one of the urethane casting compounds for pulling the mold off the original or a hard epoxy? |
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nautique frk ![]() Platinum Member ![]() ![]() Joined: February-16-2004 Location: United States Status: Offline Points: 1784 |
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I would take a set of white and black hope more people need some of these to get it going
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FrankT ![]() Senior Member ![]() ![]() Joined: September-07-2006 Status: Offline Points: 245 |
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I made a set of these for the 71SN and can make some more if there is any interest. Made from a aliphatic poly elastomer. I contacted the product manufacturer and they have assured me that their material is UV stable. These are white but I can make other colors as well. I would think in the $80 range for a set of four (no trims).
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