Hi /diy/, wasn't sure what board I should post this on so forgive me if it's not allowed. I bought what appears to be a handmade samurai lamp at a swap meet for 5$ from some old lady who literally had this and like 2 other things on her table. Never seen anything like it until now, thought it was too cool to pass up. can anyone tell me about it or if it's worth anything? Looks extremely old. It's also fully functional and about 2 feet tall.
>>940042 >Looks at catalog >WTF is a samurai lamp? >sees picture >oh
Yeah, what anon said, it's Chinese. Or at least the figure is a chinese person, who knows where the lamp was made. No way to assess it's value from that crappy ass picture. It could be hand made by a famous artist or it could be flea market kitsch, honestly can't tell.
Check the base and everywhere else... Comment too long. Click here to view the full text.
I am making a rotorcraft that has two petrol engine powered rotors. Obviously to prevent torque induced spinning I need the two rotors to spin in opposite directions. Can I simply start one engine in the opposite direction without any problems? From what I have gathered this is possible with two-stroke engines but not four-stroke. Plan B is to duct them and use control vanes.
>>940067 >This because you can't reverse even a two stroke engine. I think you can with total-loss 2 strokes, if you can change the ignition timing. With small engines it's just a dynamo. There may be ventilation issues but that's minor.
The reason you can't do it with 4-strokes is because the valve order is basically fixed by the camshaft. Simple 2-strokes got no cams, just reed valves
"Modern" 2-strokes are closed-crankcase, and have... Comment too long. Click here to view the full text.
1944 house, was advised that I could remove a wall that ran perpendicular to the ceiling joists. Twenty foot stick roof span, wall was two feet off center 15' across 30' span running east west. Removed wall and patched with no immediate issue. However now that it has snowed quite a bit the plaster (plaster over plasterboard, not lath, not drywall) is now cracking in five places and getting worse and an old hairline foundation crack close to where I removed the wall appears to be expanding. I believe its caused by the load transfer from the removed central wall to the exterior walls. The wall I removed was fifteen feet long running half way across the 30' span crawl space underneath. The logic in my advisor was that the structure of the side without the wall is identical to the side from which I removed the wall.
My question is, what cracking in the plaster is normal/acceptable. If I add a beam with a post in the center, just as a partial support to the roof joists where the wall was is that a good idea? The foundation is getting a little water nearby too which I will be fixing with raingutters soon.
And, if professional advice is recommended, where do I go without being taken for a ride?
Attached pictures of the cracks, attic and the crawlspace.
Hey 4chan i was wondering about filling in a cavity at home. Is there a way to fill it in safely and if there is how would i do it? Would using that filling replacement from walgreens work? and how would i clean it out so that i dont create a cavity under what i filled in?
So i have found a large slab of maple in the form of an 4 foot x 3 feet. Its shaped as a rounded rectangle, and at least = 1.5" . How would you go about cutting this without a cabinet saw? I own a bosch 4000 contractor with no accessories and very little space (its basically storage right now, sitting in a brooklyn basement) or i can utilize a 6 1/2" - 7 1/4" circ cutting saw. Plan .8.0 right now is to take a circ saw using a 4 ft level clamped to the table along desired cut.
I'd like this table to be of high quality as my new work bench. After i would like to something modern such as add functions of electricity(lights, usb ports, integrated outlets, etc)
Also: I'd like to build this bench without screws or nails if possible, something where the legs square up to the top of a table through a hole flush the legs insert (rectangular or spherical?)
>>940004 Yep, a circular saw with a clamped straightedge or level as you suggested. Take your time as its difficult to get perfectly parallel cuts. But if its for a workbench it might not matter as much as, say, a coffee table. You could also build a jig of some type.
I recently got four of these crappy 13w LED lamps for free. I want to power them but I don't have any inverters. They say 85-277V AC so couldn't I just plug them in to some GX24 bases and wire them up to a wall socket adapter? House voltage in the USA is 120V correct, so it should be just fine...I'm checking here first because I don't want to start a fire/electrocute myself etc.
>>939927 depends. is it a sliding window? does it open? is that middle post structural? it probably is. if its structural then you need to cut out that whole window frame and install a lintel before replacing it with a non-standard size of glass.
you'd be better off just getting a window man to hook you up with a new window. better than not having a clue as to what you are doing and wasting money trying to randomly remove pieces from your house only to have the glass crack under stress.
>>939882 You cant tighten them as in you can't force them into the material any more than you have, or that they just pull out immediately? If A: Try harder or go buy a drill or impact driver or something and force that bitch in. If B: Take the bolt out, goto the hardware store, and get one slightly larger.
For economic reasons, I was forced to be in a family plan and was gifted a sony experia z3+ (z4 for JP users). I was seeing some themes and would like to know...In the sony page, they have a theme creator and I've been seeing around but can't find what I would like to know which is if there is a way to change certain icons to stuff that you would normally download from the internet like this for example. Is this possible with said program or is there a better one? I just want to change the home, apps (that one in... Comment too long. Click here to view the full text.
Does anyone have experience with building their own 3d printer? I''ve been toying with the idea, and i think it could be done at a reasonable price, but I thought i would ask here if anyone had some experience? what parts should be bought as specific 3d printer parts, and which could be replaced with standart "home depo" stuff without much trouble? and what kind of software should be used?
>>939787 I tried. I ended up buying a kit for 240$. Now that I've seen it, though, Im building more cnc stuff. Openbuilds.com or org or whatever has very cheap frame supplies. EBay sells reprap hotends. Belt driven axis' are easy as shit to build with linear extrusion and home depot parts. I bought 28 shower door rollers for the openbuilds stuff, they fit beautifully, and don't cost 4-5$ a piece like they want for wheels.
Anyhow controls are the most confusing part. I use an mks base 1.2 board. It has the... Comment too long. Click here to view the full text.
>>939906 Also, I'll check back here for the next hour if you would like pics of anything or explanations. I'm no pro, in fact I just got my first good print Saturday. But, shit is always more clear when you can see it.
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