WEBFeb 3, 2018 · Delmarva is unique in that in 34 days most go home with a finished mirror, from rough grinding to well figured. because of the teachers and null testing used they are able to finish mirrors in just over the weekend. never heard anyone else doing it with that short time frame. Yes, Delmarva was unique.
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WEBThe new fixedpost grinding machine is working on the quartz mirror. This video shows rough grinding on the blank, which is done to get the mirror to the exact focal length we want. This mirror will have a focal length of 60, which is F4. ... Telpe making. Mirror grinding techniques There are many reasons for grinding your own .
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WEBJul 25, 2022 · Meniscus Mirror Rough grinding posted in ATM, Optics and DIY Forum: I am an absolute beginner in mirror making. For the most part, I will be using the Stellafane guide to make my mirror blank. I currently have a 14 inch f/5 meniscus mirror which is curved. I am beginning to create the plaster disk for my tile tool to start rough grinding. .
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WEBGordon started with a 2" thick telpe mirror that weighed about 70 pounds. By thinning the blank, he's lightened the mirror by about 20 pounds! This vid...
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WEBThe rough grinding usually digs a depression in the center of the upper disc which gradually deepens and spreads toward the edge of the disc. It is a fairly simple matter, by regulating the extent of overhand, to arrange to have the curve on the mirror face reach its proper depth just as the edge of the ground out area reaches the edge of the ...
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WEBMaking a mirror thinner leads to problems keeping it properly supported so it doesn't sag out of shape. The mirror cells get really complied, and sometimes the mirrors sag anyway. ... Rough grinding is complete for the .
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WEBJul 29, 2022 The secondary mirror holder and spider on my 12¾inch trusstube Dobsonian is made with scrap wood, a few nuts and bolts, and a stainlesssteel ruler. The curvedvane secondary mirror holders I use on almost all my telpes never fails to excite curiosity. Most people know that the principal benefit of the curved spider is spike .
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WEBJoy of Mirror Making: Rough Grinding. Rough grinding a telpe mirror. Richard Burns. Projection Screen. Rear Projection Screen. Solar Telpe. Rear Projection. Building. ... I had always thought that it would make a neat project, but the upcoming eclipse gave me a reason to continue. However, aft.
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WEBStellafane ATM Main Page. Amateur Telpe Making Main Page. Russell PorterGrinding a Mirror. "For it is true that astronomy, from a popular standpoint, is handicapped by the inability of the average workman to own an expensive astronomical telpe. It is also true that if an amateur starts out to build a telpe just for fun he .
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WEBJul 5, 2023 This video shows a few initial stages of making a primary mirror for a 6" f/8 telpe. I'm a newbie so bear with me in my ignorance as a first timer making...
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WEBMar 17, 2015 · Page 1 of 5 Making a Mirror grinding Polishing machine posted in ATM, Optics and DIY Forum: Hello, I am on the half of the way to make a mirror grinding machine inspired by original MOM design. I made the pulley arrangement such a way that, both the turn table eccentric spins at 50 RPM fixed. I wont go for making mirror .
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WEBNov 18, 2022 This video shows how to setup a mirror grinding machine for fixedpost grinding, also known as spin grinding or spinning. After setup, you'll see how abrasi...
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WEBFeb 14, 2015 · Page 1 of 2 Making my own fixed post mirror grinding/polishing machine posted in ATM, Optics and DIY Forum: Hey guys. Im thinking of making my own fixed post mirror grinding/polishing and curve generating machine. Ive got loads of questions regarding the design so Ill just start firing away Do I need an eccentric moving tool to be .
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WEBYou've already forked sbm 0 Code Issues Pull Requests Packages Projects Releases Wiki Activity
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WEBMay 12, 2024 · Knowing how to polish rocks by hand is handy after you've spent a day finding some nice, your rock tumbling could be using a tumbler. Or you could discover the joy of handpolishing your rocks.
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WEBDec 11, 2021 This Pin was discovered by John Voysey. Discover (and save!) your own Pins on Pinterest
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WEBJoy of Mirror Making: Rough Grinding. Rough grinding a telpe mirror. Richard Burns. Quantum Mechanics. Deep Space. Design. Gadgets. Dobson. Electron Microscope. A homemade 20 inch dob lightweight telpe, DS5. Description and design of an ultra lightweight dobsonian telpe. / Mark Moraes. The Kiln. How To Make Light.
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WEBMirror thickness is also a consideration. Thicker mirrors will tend to hold their shape better during grinding as they are just more stable overall (resulting in less likelihood of making them astigmatic), but the downside is thick mirrors are an absolute asshole to thermally acclimate at night, and they won't perform well if they're too thick.
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WEBYou've already forked sbm 0 Code Issues Pull Requests Packages Projects Releases Wiki Activity
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WEBCarl's mirrors are highly prized for their smoothness and perfection! Jan 28, 2014 Carl Zambuto is polishing a telpe mirror in his optical shop. Carl's mirrors are highly prized for their smoothness and perfection!
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WEBMirror maker 'X's mirrors are recognizable and distinct from mirror maker 'Y'. Our personalities impact how we make mirrors. Our processes and techniques vary. That's because there are many variables in mirror making. Each mirror makers chooses to control some factors and vary others in order to achieve the desired result. The Perfect .
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WEBRough Grinding . Once you have the back of the mirror ground flat through 220 and the face reasonably flat, you're ready to start roughing the curve into the mirror. I recommend #60 carborundum for rough grinding. By the way, as in all optical work, be sure that you always maintain bevel on the edge of the mirror throughout grinding.
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WEBIn today's digital age, making a homemade DIY TV antenna has become a rewarding project for many. These 10 homemade DIY tv antenna plans aim to walk you through the steps of how to make your own DIY antenna, helping you to ch free overtheair television broadcasts without the need for costly subscriptions. ... Joy of Mirror Making: .
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WEBLearn the basics of Telpe Making with Mirror Grinding right from starting with a Glass blank all the way upto reaching the desired focal length and curva...
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