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Ritchey Telescope Mirror Grinding Machine

Ritchey Telescope Mirror Grinding Machine. Ritchey Mirror Grinding Machine The machine was used for making numerous mirrors over the next four decades and extensively modified over that period. It embodies the subdiameter tool design approach to making large telescope mirrors whereby the grinding tool is drawn across the mirror blank by ...

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Ritchey Telescope Mirror Grinding Machine Caesar
Ritchey Telescope Mirror Grinding Machine Caesar

Replicating ritchey mirror grinding machine atm optics. mar 06 2006 replicating ritchey mirror grinding machine posted in atm optics and diy forum ive just returned from a few days with friends in washington dc being aviators and aircraft builders we blew a whole day at the new air space museums new annex at dulles really caught my attention however was that they moved the ritchey mirror ...

Mount Wilson Observatory Building The 60Inch Telescope
Mount Wilson Observatory Building The 60Inch Telescope

By september, 1907, the worlds largest telescope mirror was ready for its mount, but other equally large problems would cause further delays. to watch a short video of ritcheys grinding machine, now at the smithsonian, go here. the majority of the massive mounting and the steel for the dome was built by the union iron works in san ...

Mount Wilson Observatory Building The 100Inch Telescope
Mount Wilson Observatory Building The 100Inch Telescope

Everything was prepared for the arrival of the 9,000 pound slab of wine bottle glass. george ritchey, hales chief optician, began preliminary design work on the telescope for the estimation of costs, waiting until the 60-inch was tested before going into detail. the worlds largest grinding machine was built.

On The Modern Reflecting Telescope And Rhe
On The Modern Reflecting Telescope And Rhe

Grinding and polishing machines. tile grinding and polishing machines used by the writer are somewhat similar in principle to dr. drapers machine, sho.wn in fig. 25 of his book, but are more elaborate. i shall describe here the machine used in making the 5183foot mirror, both because it embodies most of the essential features of a-grindingand ...

Amateur Telescope Making Main Page Stellafane
Amateur Telescope Making Main Page Stellafane

Grinding a mirror quotfor it is true that astronomy, from a popular standpoint, is handicapped by the inability of the average workman to own an expensive astronomical telescope. it is also true that if an amateur starts out to build a telescope just for fun he will find, before his labors are over, that he has become seriously interested in the ...

Document Sans Nom Astrosurf
Document Sans Nom Astrosurf

Elgin-waineo machines . this is the most common type of machine at the moment, in industry as well as with amateurs, chiefly on the american continent see figure f.the main difference from the previous model lies in its single off-set arm 1 that oscillates around an axis 2 and is connected to a crank 4 and spindle 3 system which makes it work.

Mirror Grinding Animal Farm Bampb
Mirror Grinding Animal Farm Bampb

Mirror grinding machine g w ritchey - national air and . ... please see the buy telescope mirror blanks page for low prices on plate glass mirror blanks if you d like to buy a complete mirror grinding kit with all abrasives and grinding tool included please see the buy telescope mirror kits website for the lowest prices on plate glass telescope ...

Orion 10Inch F8 Ritcheychr233tien Astrograph Telescope
Orion 10Inch F8 Ritcheychr233tien Astrograph Telescope

Jul 17, 2015nbsp018332at first glance, a ritchey-chr233tien rc telescope looks like a schmidt-cassegrain sct, but they are very different from one another optically. an sct uses a pair of spherical mirrors and a front corrector plate to banish spherical aberration the inability of a mirror to focus all the light from a

Replicating Ritchey Mirror Grinding Machine Atm Optics
Replicating Ritchey Mirror Grinding Machine Atm Optics

Mar 06, 2006nbsp018332replicating ritchey mirror grinding machine - posted in atm, optics and diy forum ive just returned from a few days with friends in washington, dc. being aviators and aircraft builders, we blew a whole day at the new air amp space museums new annex at dulles airport.what really caught my attention however, was that they moved the ritchey mirror making machine from the old paul

Astrotech Ritcheychr233tien Optics
Astrotech Ritcheychr233tien Optics

Optical features of this optical tube . . . ritchey-chr233tien optical design this astro-tech optical tube is a true ritchey-chr233tien r-c reflector optical system.unlike a maksutov-cassegrain or schmidt-cassegrain catadioptric scope that uses simple spherical mirrors and corrector lenses, or newtonian reflectors that use a coma-producing parabolic primary mirror, this astro-tech r-c is ...

The Perfect Machine Building The Palomar Telescope
The Perfect Machine Building The Palomar Telescope

In december 1945, work resumed on the mirror. in october 1947, it was pronounced finished and ready to install in the telescope. eleven and a half years had elapsed since the grinding machine started to work on the disc. shipping the mirror from pasadena to

Telescope Mirror Grinding Machine
Telescope Mirror Grinding Machine

X-ray telescope mirrors-materials manufacture tolerances and metrology. chat online ritchey mirror grinding machine national air and space . george willis ritchey built this mirror grinding machine at the yerkes observatory in williams bay wisconsin in the late 1890s.

Telescope Making Guys Math Amp Astro Blog
Telescope Making Guys Math Amp Astro Blog

Recently ive been trying to figure it using a polishinggrinding machine fabricated by the late bob bolster who modeled his after the machine that george ritchey invented for the celebrated 60 mirror at mount wilson over a century ago.

The 60Inch Telescope
The 60Inch Telescope

The 60-inch is a reflecting telescope built with ritcheychr233tien optics, that is, both primary and secondary mirrors have hyperbolic reflecting surfaces. this configuration provides a wide field of view and relatively good image definition within a compact designthe telescope tube

Mirror Grinding Machine Design
Mirror Grinding Machine Design

Skybadger - mirror grinding machine. the mirror machine came to me as a result of astronomical horse-trading, swapping a large gem mount and a 8quot newtonian ota for the machine as it was and a start kit consisting of two 6quot blanks and the grit, rouge and pitch to manufacture a mirror. the grinding machine had been built to the design of the ...

Mirror Grinding Mashinee
Mirror Grinding Mashinee

Astro-tel - mirror grinding machine - ray hall turbocharging. mirror grinding machine. i made my first mirror grinding and polishing machine over thirty years ago. it used the working principle of the machine illustrated at quotaquot fig.3, page 163, quotamateur telescope makingquot book 1. a bowl which rotated was fitted to the spindle.

Mirror Grinding Message
Mirror Grinding Message

Mirror grinding mashine world cgm association. mirror grinding machine my mirror grinding machine. for a long time ive wanted to build a machine for grinding telescope mirrors. dennis rechs m-o-m designs finally inspired me to just get up and do it. over the years, id been collecting motors, gear boxes. get price

Stellafane Atmmirror Making Myths
Stellafane Atmmirror Making Myths

Mirrors can only be made with special precision equipment in expensive factories or labs not true telescope mirrors can be made in your kitchen, basement or garage with nothing more than the mirror blank and a second piece of glass called the tool to rub the mirror

10Inch Ritchey Chretien Cassegrain Atm Project
10Inch Ritchey Chretien Cassegrain Atm Project

10quot ritchey chretien cassegrain atm project jump ahead to the mirrors the mechanical components aluminum coating the finished telescope adding a guide scope collimation rebuilding the mirror support. i had made newtonian telescope mirrors before ann two classical cassegrains of 8inch and 17.5inch aperture.

Telescope Mirror Grinding Machine
Telescope Mirror Grinding Machine

Grinding machine for large telescope mirrors. i designed and built a grinding machine for mirrors up to 42 inches 1.1m in diameter. by slipping on and off a couple of belts, the machine can quickly be reconfigured for spinning or for stroking . the machine can also smaller mirrors if the drip pan is moved to the fast shaft on

Mirror Grinding Mashinee
Mirror Grinding Mashinee

Grinding on the picture below the machine is fine grinding an 8 inch mirror with an 71 tool 143 mm diameter and 9 micron aluminium oxyde. the bent lines on the mirror are the effect of the tool turning - with respect to the mirror - faster at the central part of the mirror as compared to the edge zones.

Dick Parkers Telescope Mirror Workshop Cassegrain
Dick Parkers Telescope Mirror Workshop Cassegrain

The cassegrain telescope is probably the first type telescope that the atm would like to make after mastering the basic newtonian telescope. ... the ritchey chretien, on the other hand, has two hyperbolic mirrors so chosen that both spherical aberration and coma are corrected. ... this optic is small enough that a lens grinding machine ...

Ritchey Mirror Grinding Machine National Air And Space
Ritchey Mirror Grinding Machine National Air And Space

George willis ritchey built this mirror grinding machine at the yerkes observatory in williams bay, wisconsin, in the late 1890s. under the sponsorship of george ellery hale, the machine was used to grind a series of telescope mirrors starting with a 24-inch and then a 60-inch mirror for a telescope initially intended for the yerkes observatory. the grinding machine was moved to pasadena in 1904

Ritchey Telescope Mirror Grinding Machine Caesar Mining
Ritchey Telescope Mirror Grinding Machine Caesar Mining

Ritchey telescope mirror grinding machine. we are a high-end mining machinery manufacturer in asia. our products with superb technology and reasonable in price. the main production equipment includes crusher, sand making machine, ball mill, raymond mill, cement equipment and other products. our products are widely applied in industries such as ...

George Willis Ritchey Astrophotographer
George Willis Ritchey Astrophotographer

Ritchey wore many hats. he was an astronomer, a telescope designer, and an expert optician. he took the technology of mirror grinding to new levels of perfection such that his 60-inch mirror grinding machine now rests in the smithsonian. he is the r in the rc optics used in most large telescopes today, such as the hubble space telescope.

Telescope Ritcheys 60Inch Reflector
Telescope Ritcheys 60Inch Reflector

Mr. clean first, ritchey built a machine to grind and polish the glass mirror. the machine combined cast-iron grinding tools, water, and a new kind of grinding material called carborundum, which was almost as hard as diamond, to grind and polish the 60-inch glass disk.

Document Sans Nom Astrosurf
Document Sans Nom Astrosurf

Indeed, between 1513 and 1517, he imagined machines to grind and polish telescope mirrors, which, at the time, were made of bronze. unfortunately, it seems that, during his life, leonardo da vinci didnt actually build his invention, as he often did with other inventions.

How To Make Rc Mirror Atm Optics And Diy Forum
How To Make Rc Mirror Atm Optics And Diy Forum

Feb 10, 2013nbsp018332reason is because a ritchey chretien uses two hyperbolic surfaces and is a complicated optical design. spacing is critical. a newtonian is much simpler in optical design and uses only one parabolic surface and a flat secondary mirror. there is actually plenty of information on how to make a ritchey chretien.

Telescope Mirror Making Machine Homebuilt
Telescope Mirror Making Machine Homebuilt

Mirror grinding telescope making. a good starter size is the 150 mm 6 mirror a 200mm 8 will also work most atm books and websites recommend a pyrex mirror blank but in my opinion annealed plate glass is better for this first learn and practice is cheaper it is softer and grinds faster needing less abrasives and with these small sizes the low expansion glass like pyrex has no practical visible at

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