Type: Driver
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File Size: 10.5 MB
33 (4.01)
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Supported systems: Windows XP, Windows Vista, Windows 7, Windows 7 64 bit, Windows 8, Windows 8 64 bit, Windows 10, Windows 10 64 bit
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So Questar began work on a larger optical system, settling on 12 inch mm for production with hopes of marketing this new system for applications involving Geomatics, geography, geology, geomorphology, seismology, byers telescope sensing and atmospheric byers telescope. Please Log In to view the details for this classified ad. Please Log In to view the details for this classified ad.


The invention provides, therefore, a simple and inexpensive drive assembly for byers telescope telescope mount, in which the worm gear forms its own ball bearing and its own friction clutch. It will be appreciated that while a particular embodiment of the invention has been shown and described, modifications may be made. Any international shipping is paid in part to Pitney Bowes Inc.

Byers 58 Mount

Learn More - opens in a new window or tab International shipping and byers telescope charges paid to Pitney Bowes Inc. Learn More - opens in a new window or tab Any international shipping and import charges are byers telescope in part to Pitney Bowes Inc. Learn More - opens in a new window or tab Any international shipping is paid in part to Pitney Bowes Inc. Learn More - opens in a new window or tab. Chow smelted and poured his own mount components and slumped and ground his own mirror.

Byers Gear (Pre-owned) - Camera Concepts & Telescope Solutions

Because the project was an avocation, it moved at a pace slower than the technology. Only the finest bearings, gears, and stainless hardware are employed for unmatched strength, rigidity, and tracking precision. The polar axis housing is custom manufactured for the customer's exact latitude at no additional cost as is the height byers telescope our byers telescope welded steel observatory piers.

It is designed as a polar gear for telescopes in the inch range. Byers 6-inch byers telescope drive with slip-clutch. This is an inventory reduction sale.


These drives have been reduced in byers telescope below what they cost to manufacture. The rolled and riveted steel tube is byers telescope exactly round, so originally these inner rings were custom shaved, trimmed, shimmed, and filed down to make them true on the outside, to fit the rotating rings.

Through the years, many things happened to the tube. By the time I got ready to put them byers telescope on, it was a nightmare.

Thus, the focal length byers telescope be the distance from this point, to the lens. The longer this distance or higher the focal number the clearer and larger your image will appear.

Also, in their commonly encountered forms, refractor tube lengths can be unwieldy. Share This Page Tweet.


Your username or email address: Do you already have an account? The Right Ascension housing of the mount consists of not only the drive gear set and bearings but also an precision machined wedge made to support the mount atop a pier installed at the intended latitude of the system; minor pole alignment adjustments are byers telescope at the mount to pier and or pier to foundation attachment points.

The assembly also forms its own byers telescope clutch with the polar drive shaft of the telescope mount, so as to obviate the need for expensive friction clutches. The equatorial mounting for an astronomical telescope shown in FIG.

US4671130A - Drive assembly for astronomical telescope - Google Patents

Byers telescope declination casting 12 includes a byers telescope shaft 14 which extends into a polar housing It has a double ended worm and bearing housing, clock reduction gears and synchronous motor. If you prefer I will substitute a Hurst Stepper Motor.Ed Byers has plenty of items in stock available for purchase. Please feel free to. Astronomical Research Grade equipment for over 60 years. Ed Byers is known as The Gold Standard when it comes to Drive Systems, Telescopes, Mountings.

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