Eric.

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Posts posted by Eric.

  1. As I continue to ponder the layout of my new small shop, and find myself running out of floor and wall space for machines and storage, my eyes constantly wander up to the rafters of the garage. Of course I won't be hoisting any machines up there, but I can't help but wonder how I can utilize that space...there's plenty of it for storing woodstock, seldom-used tools, and other miscellaneous crap, even though it's not the most convenient area to access.

    Obviously trussed rafters can support a tremendous amount of compressive force, considering they hold a roof, but I'm specifically curious about how much weight the bottom chord can handle, given they are only held together by a splice plate. I found some formulas online for determining strength of trussed rafters based on their construction, but they went right over my head and I don't think any of them addressed weight capacity of the bottom chords in particular.

    I know they can handle a considerable amount of weight because I've seen people hoist out car engines with them before, but I was just looking for some other real-world experiences from people who have utilized their trussed rafters in their shops. How much weight do you guys have up there? Did you reinforce your splices? Any opinions are appreciated!

  2. Good deal. Sounds like you are good to go. If your garage is as drafty as you say, and not air conditioned, I don't see why the humidity would be any different in the shed you are planning than in the garage itself. Sounds like they're both more or less "outside".

    -- Russ

    Exactly my thoughts! Thanks for the input.

  3. @eric1978,

    There are some serious problems with putting the DC outside as you are considering. Please read this thread and pay careful attention to what Vic has to say there.

    -- Russ

    Thanks for the link to that thread, Russ...that's interesting stuff. But those problems shouldn't apply to my situation. I have no appliances in the garage, and it's uninsulated and plenty drafty (I can see light come through around the garage door...it's on the list).

    I'm still trying to convince myself to put an expensive machine outside in the sticky mid-west weather, housed or not. I think I'm selling myself on the idea, though...I just don't have any room left.

  4. Outside DC is nice to have but distance from the tools could be a factor requiring a bigger machine. Length of line reduces the flow. Extra fittings and such allow for leaks and if they are outside you may not notice them for a while. If you house it outside you will have noise to deal with this might make you a bad neighbor to some. Noise proofing tends to cause heat and airflow problems. Also dust will be outside as well depending on your Unit. I like the idea of keeping the motor inside and the dust outside if that is possible. Mostly it is up to you to assess your situation just remember to consider what effect it will have on the outside Neighbors kids pets wife etc...

    Neighbors shouldn't be an issue...I don't do much work in the middle of the night, and their dogs bark enough to where they'd have no room to complain anyway.

    Mostly just concerned with the humidity and ventilation factors. I like the idea of keeping the motor inside and the collection outside, if it's doable. That would take some research I guess.

    Added distance from the shop would be negligible, as it would be placed right outside the garage. Might have to add a bend or two, but not much more distance.

  5. So since my shop is going in the garage and it has to share space with my lawn care business, I have limited options for my tool placement...I think I've got ideas for all the major tools except the DC. I thought about hoisting it up and mounting it in the rafters, but that would make maintenence, cleaning filters, emptying canisters, etc a real pain.

    I have a small deck coming off the back of the garage and I could set it right outside the back door in a corner of the house where it would be partially covered by the overhang of the roof...the wetness is pretty minimal there even in the strongest thunderstorms. I would also build a tall, roofed rectangular box for it from eastern red cedar or redwood or other outdoor-friendly wood to keep it completely dry, with a door on the front for access and louvered panels on the two sides facing the house to let the machine breathe and stay cool. Then run the main DC line right out of the back of the garage.

    So my concerns are these...I do live in Missouri, and it gets notoriously humid here in the summer. Do you guys think the humidity would be a major problem? I can't see it being much less humid in the garage itself, but maybe I'm wrong. I'd also be concerned about breathability for both filtration exhaust and machine cooling, even with louvered panels on the housing.

    Just a thought. Any opinions?

  6. Okay, LIGHTING, but that's only 120V, yup. What I did is split the lighting in my shop over 2 dedicated breakers, one on each phase. Two reasons for doing it, one is to balance the load, but, if one of the breakers where to pop, or a phase where to go, I would still have light in the shop.

    I like that idea! I'll probably leave the garage lights as they are, run off the main panel. Whoever planned the electric in my house must have been high the day he did it, because the ONLY outlet I have in the garage right now is in the same leg as my two upstairs bathrooms (on the OTHER side of the house...figure that one out???). So any time I'm running the compressor or contractor saw, even circ saw, and the wife goes to blow-dry her hair...pop.

    I'll be running the new 110 outlets off the sub-panel for sure, and maybe I'll put one of the lights on it, too, just for fun.

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  7. I talked to my buddy about it quite a bit, and when I told him what I had in mind he said I should be okay with the 100A service except in scenarios like you mentioned, Joe...but he did recommend that I eventually upgrade to 200A service. So maybe one day I will. I was really just wanting to know whether or not I should run a separate leg for the DC, and I think I got that answer.

  8. Thanks Tim, that's the answer I needed. I have all electric utilities except the furnace, so I'll just tell my wife there's no cooking or laundry while I'm in the garage...maybe I'll make her an old timey washboard and clothesline for my first project on the new table saw. :D

  9. I'm also in the process of finishing the basement, so I'm having a sub-panel installed for all the wiring for the basement and the garage. It will be installed on the basement wall next to the main panel, but it's just a short trip through the bandboard to get to the garage.

  10. I've got a 3HP cabinet saw ordered and have an electrician buddy coming over to wire me up with some 220. While he's here I'm also going to have him wire for the jointer, planer and dust collection.

     

    So here's the stupid question since I've never owned DC before...

     

    I only have 100 amp service in my house right now, and a 50 amp going to the garage...do you think that would be enough to run two 220 machines at once (on separate breakers), or do you think that would trip my main?

     

    Thanks for the advice!