Vincent DePillis

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About Vincent DePillis

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  1. Vincent DePillis

    Sandpaper - 3m

    I use a lot of 80 grit 2 inch wide PSA strips. Buy a box at a time, 2.75" by 16.5". I used to get a 3m product that was purple. Seemed really good and sharp. Now fisheries tells me that the purple has been discontinued, and that the green is all they carry. The green stuff is very mediocre. Any advice on quality sandpaper?
  2. Vincent DePillis

    Goddard's Lathe

    Thank you all for your responses.
  3. Vincent DePillis

    Goddard's Lathe

    Hi Steve-- thanks for the specific comments regarding the Smithy. I really really only have room for one relatively small machine. Looking at the website, it seems like they have an upgraded range (the "Granite Series"). Do you remember which model you had? I am not sure about what I will make with the machine. Examples might be a new mast head crane, or mast step for a rotating mast, or a slide for my outboard. I can imagine using a fair amount of g10, delrin, aluminum. I would like to be able to do stainless or titanium, but that might be a stretch especially with a hobby scale machine. Its funny how this works though-- the tool often seems to suggest the projects. Would it would be sort of pointless to have only a mill or only a lathe? Seems to me that if I go down this route at all, I should have the ability to do both, at least to some level. That and the ability to weld.
  4. Vincent DePillis

    Goddard's Lathe

    I was rereading Herreshoff's "The Complete Cruiser" was struck again by Goddard's paean to his lathe, beginning "for I am quite sure that lathe has given me more enjoyment than anything I have ever had including my boats and canoes ..." Like Coridon, I have always wanted to do some metal working-- and now in my retirement, wondering if I could get some use and pleasure out of a small lathe or mill. I was thinkin a grizzly bench mill, or a Smithy, or some ancient small lathe. I kind of shy away from the idea of investing a bunch of time learning a cad cam program. Spent most of my life looking at screens, don't want to double down. Thinking it would be fun to do some manual machining. If you had one spot for a small machine tool, and one budget allocation (under 5K), for doing boat related stuff would you look at a Mill? a lathe? a combo machine?
  5. Vincent DePillis

    air compressors in composites shop

    I noticed that my old 5 gallon piston compressor has leaked a bit of oil onto the shop floor. Made me wonder about whether I should have an oil lubricated compressor in the shop (where I do primarily composites work) at all. What's to keep the oil from contaminating the compressed air? If I use the blow gun in the shop, do I risk spreading a bit of oil everywhere? I swear I'm not just looking for an excuse to get a new compressor. Related question for vacuum pump-- all things being equal, should you prefer an oilless vacuum pump over an oil lubricated pump?
  6. Vincent DePillis

    Anchoring gear for cruising on my race boat

    Or a stubby carbon sprit with an integrated bow roller-- that you could also use to fly some of furling downwind cruising sail...
  7. Vincent DePillis

    Aluminium Centerboard 46-52ft blue water go anywhere

    Nah, no blue water for me. But I do think even cruising up to Alaska one of these could wonderful.
  8. Vincent DePillis

    Aluminium Centerboard 46-52ft blue water go anywhere

    Twisting the thread, and just wasting time Saturday morning.: I was captivated by Pete Goss' video tour of his Garcia "Pearl". His enthusiasm for the "Deriveur Integral" concept (unballasted centerboard) is infectious. But I can't help but thinking that these type of boats must be terribly slow, especially in light air. Tank like construction, small sail area, low righting moment... Sort of like Dylan's new boat, but expensive. What if you did everything you could to keep the deriveur integral concept, but make it a good sailor-- how good of a SAIL boat could you make? Think full carbon hull and deck construction, short rotating carbon mast but with a 45% square top main, reaching struts, lead ballast as low in the hull as possible, centralized chain locker (its a cruiser after all), maybe a stainless bottom strake so it could take the bottom and sit upright... Sort of a Carbon cutter idea-- use modern race boat construction and design in the service of a decidedly non racing program. M. Tanton should really give us a design cartoon to keep us entertained, is what I think.
  9. Vincent DePillis

    Hydra Net vs 3Di

    Thanks for posting this-- really interesting insight into the behaviour of the 3DI laminates. Was fascinating to read that in the damaged area the resin was "shatttered" and that you could pull the tapes apart by hand. I Seems like this kind of damage would be less likely in a sail with full length fibers. Also wondering if the shattering is a downside of the particular resin used for 3DI, or if that is a universal damage mode for resins used in sail construction. Also interesting to read about the compementary characteristics of Dyneema and the aramid. Did not know about the shrinkage in dyneema-- had only ever heard about creep.
  10. Vincent DePillis

    Drilling precise holes in Carbon

    Actually, I can do 12mm holes if I use the sleave supplied with the sheave-- I was going to use the bearing direct on the axle, but 12mm bits are MUCH more available,including in tenth of a millimeter increments. So the question stands-- Drill and ream, or just drill.
  11. Vincent DePillis

    Drilling precise holes in Carbon

    For my boom project I need to drill several 15mm holes to take the axle pins for the reefing sheaves. The holes will be in carbon material that ranges from 10mm to 3mm. I am thinking that I should drill to just below 15mm, and finish with a reamer to 15mm. It so happens that McMaster Carr has an appropriate 14.5mm drill bit, and a 15mm hand reamer. Both are steel, the bit cobalt coated with something even harder. The bits are spendy-- like $120 each. Am I overthinking this (as usual)? Should I just get a 15mm bit and drill some test holes?
  12. Vincent DePillis

    diy cooler?

    Yeti style coolers are expensive and heavy. Anybody out there do a cooler with pink foam from home depot wrapped with carbon? I'm not sure how to do the top, but surely it would not be hard...
  13. Vincent DePillis

    Seattle Area Multihulls - May 16 sail

    Next Saturday was to be the rendezvous for the Northwest Multihull Association, up in Everett. We cancelled because of the Pandemic. However, we would like to invite any Multihullers who can make it to sail in company next Saturday, May 16, from Shilshole to Blake Island and back. We will meet up off the north entrance of Shilshole Marina, leave Blake Island to starboard, and then return to Shilshole. We can communicate over VHF channel 68. It is not a race, it's a chance to see our boats in their natural element, and a good way to remind ourselves that one day, we will be able to get together again. Love to see you there. Vince DePillis.
  14. Vincent DePillis

    source for small qauantities of prepreg?

    The Easy composites site is FANTASTIC, thx. Too bad they are in England. Now I want my own oven!
  15. Vincent DePillis

    source for small qauantities of prepreg?

    Would like to try to make some small parts with carbon prepreg. Anybody know of a source that will sell small quantities?